CN108224676A - Progress control method, operating control device, air conditioner and readable storage medium storing program for executing - Google Patents
Progress control method, operating control device, air conditioner and readable storage medium storing program for executing Download PDFInfo
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- CN108224676A CN108224676A CN201810008107.9A CN201810008107A CN108224676A CN 108224676 A CN108224676 A CN 108224676A CN 201810008107 A CN201810008107 A CN 201810008107A CN 108224676 A CN108224676 A CN 108224676A
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Abstract
The present invention provides a kind of progress control method, operating control device, air conditioner and readable storage medium storing program for executing, wherein, progress control method includes：When the ability that the total capacity requirements for detecting running multiple indoor units are greater than or equal to outdoor unit exports limit value, the corresponding indoor environment temperature of each running indoor unit is detected；According to indoor environment temperature and corresponding set temperature, the opening degree of the electric expansion valve of corresponding indoor unit and/or the operating parameter of indoor fan are controlled to adjust.By technical scheme of the present invention, the controllability of each running indoor unit is enhanced, reducing outdoor unit leads to the possibility shut down because load is excessive, and then improve the reliability of system operation, improves the usage experience of user.
Description
Technical field
The present invention relates to technical field of air conditioner, are controlled in particular to a kind of progress control method, a kind of operation
Device processed, a kind of air conditioner and a kind of readable storage medium storing program for executing.
Background technology
In the relevant technologies, when using an air-conditioner outdoor unit dragging multiple air conditioner indoor unit, air conditioner indoor unit ability needs
The collocation asked simultaneously is not fixed, some users will appear air conditioner indoor unit total capacity demand during collocation can beyond outdoor unit
Therefore the limit of power of output, in the case where air conditioner indoor unit standard-sized sheet and air-conditioning system working environment are relatively more severe, can go out
Situations such as existing cold medium shortage, load is excessive, compressor oil starvation, air-conditioning system use reliability is reduced, user's need can not be met
It asks.
Invention content
The present invention is directed at least solve one of technical problem present in the prior art or the relevant technologies.
For this purpose, it is an object of the present invention to provide a kind of progress control methods.
It is another object of the present invention to provide a kind of operating control devices.
It is yet a further object of the present invention to provide a kind of air conditioners.
A further object of the present invention is to provide a kind of computer readable storage medium.
To achieve these goals, embodiment according to the first aspect of the invention provides a kind of progress control method,
Including：When the ability that the total capacity requirements for detecting running multiple indoor units are greater than or equal to outdoor unit exports limit value
When, detect the corresponding indoor environment temperature of each running indoor unit；According to indoor environment temperature and corresponding set temperature,
Control to adjust the opening degree of the electric expansion valve of corresponding indoor unit and/or the operating parameter of indoor fan.
In the technical scheme, detect that multiple indoor unit total capacity requirements are greater than or equal to outdoor unit ability by working as
During output stage limit value, detect the corresponding indoor environment temperature of each indoor unit, later according to the environment temperature of each indoor unit and
Set temperature controls to adjust the opening degree of the electric expansion valve of each indoor unit and/or the operating parameter of indoor fan so that adjusts
The total capacity requirements of running multiple indoor units after section are in outdoor unit fan-out capability limit value hereinafter, advantageously ensuring that outdoor
The stable operation of machine improves the reliability of air conditioner overall operation, and is protecting the reliability of air conditioner overall operation
Meanwhile reduce the generation that comfort property is caused to reduce phenomenon due to adjusting, improve user experience.
Wherein, it controls to adjust mode and includes at least three kinds, respectively：Individually control to adjust the electronic expansion of each indoor unit
The opening degree of valve, individually controls to adjust the operating parameter of each indoor fan, while the electronics for controlling to adjust each indoor unit is swollen
The opening degree of swollen valve and the operating parameter of indoor fan.
Wherein, the operating parameter of indoor fan includes at least the operation turn of the operational taps and indoor fan of indoor fan
Speed.
It should be noted that total capacity requirements are total refrigerating capacity requirements namely overall refrigerating effect requirements, Huo Zhewei
Total heating capacity requirements namely total heating capacity requirements.
In any of the above-described technical solution, it is preferable that according to indoor environment temperature and corresponding set temperature, control to adjust
The opening degree of the electric expansion valve of corresponding indoor unit, including：Judge between indoor environment temperature and corresponding set temperature
Whether difference is less than or equal to the first predetermined threshold value；When judging that difference is less than or equal to the first predetermined threshold value, control room inner ring
Temperature corresponding electric expansion valve in border is closed.
In the technical scheme, judge the difference between indoor environment temperature that indoor unit detects and corresponding set temperature
Magnitude relationship between value and the first predetermined threshold value, that is, judge whether differ smaller between indoor environment temperature and set temperature,
When the difference for judging environment temperature and set temperature is less than or equal to the first predetermined threshold value, the electronics of corresponding indoor unit is controlled
Expansion valve is closed, and is reduced the ability need value of the indoor unit, is thereby reduced whole total capacity requirements, be conducive to total energy
Power requirements, which are adjusted to the ability of outdoor unit, exports limit value hereinafter, being conducive to ensure the stable operation of outdoor unit, improves air-conditioning
The stability and reliability of device overall operation.
It should be noted that the value range of the first predetermined threshold value is 1-3 DEG C.
In any of the above-described technical solution, it is preferable that according to indoor environment temperature and corresponding set temperature, control to adjust
The opening degree of the corresponding electric expansion valve of corresponding indoor unit, further includes：When judgement indoor environment temperature and corresponding setting temperature
When difference between degree is more than the first predetermined threshold value, judge whether difference is less than or equal to the second predetermined threshold value；When judgement difference
During less than or equal to the second predetermined threshold value, control reduces the aperture of the corresponding electric expansion valve of indoor environment temperature.
In the technical scheme, by judging indoor environment temperature and set temperature set by user that indoor unit detects
Between difference be more than the first predetermined threshold value and during less than or equal to the second predetermined threshold value, control reduces the electricity of corresponding indoor unit
The aperture of sub- expansion valve reduces the ability need value of the indoor unit, makes indoor unit with smaller refrigerating capacity or heating capacity
Operation, on the one hand, be conducive to adjust total capacity requirements to outdoor unit fan-out capability limit value hereinafter, being conducive to ensure outdoor unit
Stable operation, improve the stability and reliability of air conditioner overall operation, on the other hand, reduce causes to relax due to adjusting
The generation of suitable performance degradation phenomenon.
It should be noted that the value range of the second predetermined threshold value is 3.5-4.5 DEG C.
In any of the above-described technical solution, it is preferable that operating parameter includes operational taps, according to indoor environment temperature and right
The set temperature answered controls to adjust the operating parameter of corresponding indoor fan, including：Judge that indoor environment temperature is set with corresponding
Whether the difference between constant temperature degree is less than or equal to third predetermined threshold value；When judgement difference is less than or equal to third predetermined threshold value
When, whether the current operational taps of the corresponding indoor fan of detection indoor environment temperature are minimum operation gear；Work as detecting
When preceding operational taps are not minimum operation gears, control indoor fan, which performs, reduces an operational taps operation.
In the technical scheme, by judging that it is pre- that the difference between indoor environment temperature and set temperature is less than or equal to third
If during threshold value, whether the current operational taps for detecting corresponding indoor fan are minimum operation gear, that is, judge whether also to be able to
The operational taps of indoor fan are further reduced, to reduce the ability need value of corresponding indoor unit, by controlling indoor fan
Performing reduces the operation of an operational taps, reduces the running speed of indoor fan, reduces the ability of corresponding indoor unit
Requirements are conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure outdoor unit
Stable operation improves the stability and reliability of air conditioner overall operation.
It should be noted that the value range of third predetermined threshold value is 5-7 DEG C.
In any of the above-described technical solution, it is preferable that operating parameter includes running speed, according to indoor environment temperature and right
The set temperature answered controls to adjust the operating parameter of corresponding indoor fan, including：Judge that indoor environment temperature is set with corresponding
Whether the difference between constant temperature degree is less than or equal to third predetermined threshold value；When judgement difference is less than or equal to third predetermined threshold value
When, whether the current running speed of the corresponding indoor fan of detection indoor environment temperature is more than minimum running speed；It is detecting
When current running speed is more than minimum running speed, the current running speed of indoor fan is controlled to reduce preset rotation speed threshold value.
In the technical scheme, by judging that it is pre- that the difference between indoor environment temperature and set temperature is less than or equal to third
If during threshold value, whether the current running speed for detecting corresponding indoor fan is minimum operation rotating speed, that is, judges whether also to be able to
The running speed of indoor fan is further reduced, to reduce the ability need value of corresponding indoor unit, by controlling indoor fan
Rotating speed reduces preset rotation speed threshold values, reduces the running speed of indoor fan, reduces the ability need value of corresponding indoor unit,
Be conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure that stablizing for outdoor unit is transported
Row improves the stability and reliability of air conditioner overall operation.
It is determined it should be noted that preset rotation speed threshold values can carry out selection according to the rotational speed regulation range of indoor fan.
In any of the above-described technical solution, it is preferable that according to indoor environment temperature and corresponding set temperature, control to adjust
The opening degree of the corresponding electric expansion valve of corresponding indoor unit, including：When between indoor environment temperature and corresponding set temperature
Difference be more than third predetermined threshold value when, determine that the corresponding indoor unit of indoor environment temperature meets condition；It is running when determining
When all indoor units all meet condition, the electric expansion valve of any indoor unit is controlled to close.
In the technical scheme, by judging that the difference between indoor environment temperature and set temperature presets threshold more than third
During value, determine whether the corresponding indoor unit of indoor environment temperature meets condition, when determining that running indoor unit is satisfied by condition
When, it is closed by the electric expansion valve for controlling any indoor unit, reduces total capacity requirements, be conducive to total capacity requirements tune
Save to outdoor unit fan-out capability limit value hereinafter, reduce outdoor unit because ability output it is excessive due to shut down possibility, be conducive to protect
Hinder the stable operation of outdoor unit, improve the stability and reliability of air conditioner overall operation.
In any of the above-described technical solution, it is preferable that be more than when the total capacity requirements of running multiple indoor units
During the ability output limit value of outdoor unit, before detecting the corresponding indoor environment temperature of each running indoor unit, further include：It presses
The total capacity requirements of running multiple indoor units are determined according to predetermined period；Judge the total capacity of running multiple indoor units
Whether requirements, which are more than ability, exports limit value.
In the technical scheme, by determining the total capacity requirements of running multiple indoor units according to predetermined period,
The determining accuracy and real-time of total capacity requirements are improved, by the total capacity demand for judging running multiple indoor units
Whether value, which is more than ability, exports limit value, is conducive to export more than outdoor unit ability in the total capacity requirements for judging multiple indoor units
It during limit value, adjusts in time, promotes the stability and reliability of air conditioner overall operation.
Technical solution according to the second aspect of the invention provides a kind of operating control device, including：Detection unit,
When ability for being greater than or equal to outdoor unit when the total capacity requirements for detecting running multiple indoor units exports limit value,
Detect the corresponding indoor environment temperature of each running indoor unit；Control unit, for according to indoor environment temperature and correspondence
Set temperature, control to adjust the opening degree of the electric expansion valve of corresponding indoor unit and/or the operating parameter of indoor fan.
In the technical scheme, detect that multiple indoor unit total capacity requirements are greater than or equal to outdoor unit ability by working as
During output stage limit value, detect the corresponding indoor environment temperature of each indoor unit, later according to the environment temperature of each indoor unit and
Set temperature controls to adjust the opening degree of the electric expansion valve of each indoor unit and/or the operating parameter of indoor fan so that adjusts
The total capacity requirements of running multiple indoor units after section are in outdoor unit fan-out capability limit value hereinafter, advantageously ensuring that outdoor
The stable operation of machine improves the reliability of air conditioner overall operation, and is protecting the reliability of air conditioner overall operation
Meanwhile reduce the generation that comfort property is caused to reduce phenomenon due to adjusting, improve user experience.
Wherein, it controls to adjust mode and includes at least three kinds, respectively：Individually control to adjust the electronic expansion of each indoor unit
The opening degree of valve, individually controls to adjust the operating parameter of each indoor fan, while the electronics for controlling to adjust each indoor unit is swollen
The opening degree of swollen valve and the operating parameter of indoor fan.
Wherein, the operating parameter of indoor fan includes at least the operation turn of the operational taps and indoor fan of indoor fan
Speed.
It should be noted that total capacity requirements are total refrigerating capacity requirements namely overall refrigerating effect requirements, Huo Zhewei
Total heating capacity requirements namely total heating capacity requirements.
In any of the above-described technical solution, it is preferable that further include：Judging unit, for judging indoor environment temperature and right
Whether the difference between the set temperature answered is less than or equal to the first predetermined threshold value；Control unit is additionally operable to：When judgement difference is small
When the first predetermined threshold value, the corresponding electric expansion valve of control indoor environment temperature is closed.
In the technical scheme, judge the difference between indoor environment temperature that indoor unit detects and corresponding set temperature
Magnitude relationship between value and the first predetermined threshold value, that is, judge whether differ smaller between indoor environment temperature and set temperature,
When the difference for judging environment temperature and set temperature is less than or equal to the first predetermined threshold value, the electronics of corresponding indoor unit is controlled
Expansion valve is closed, and is reduced the ability need value of the indoor unit, is thereby reduced whole total capacity requirements, be conducive to total energy
Power requirements, which are adjusted to the ability of outdoor unit, exports limit value hereinafter, being conducive to ensure the stable operation of outdoor unit, improves air-conditioning
The stability and reliability of device overall operation.
It should be noted that the value range of the first predetermined threshold value is 1-3 DEG C.
In any of the above-described technical solution, it is preferable that judging unit is additionally operable to：When judgement indoor environment temperature with it is corresponding
When difference between set temperature is more than the first predetermined threshold value, judge whether difference is less than or equal to the second predetermined threshold value；Control
Unit is additionally operable to：When judging that difference is less than or equal to the second predetermined threshold value, control reduces the corresponding electronics of indoor environment temperature
The aperture of expansion valve.
In the technical scheme, by judging indoor environment temperature and set temperature set by user that indoor unit detects
Between difference be more than the first predetermined threshold value and during less than or equal to the second predetermined threshold value, control reduces the electricity of corresponding indoor unit
The aperture of sub- expansion valve reduces the ability need value of the indoor unit, makes indoor unit with smaller refrigerating capacity or heating capacity
Operation, on the one hand, be conducive to adjust total capacity requirements to outdoor unit fan-out capability limit value hereinafter, being conducive to ensure outdoor unit
Stable operation, improve the stability and reliability of air conditioner overall operation, on the other hand, reduce causes to relax due to adjusting
The generation of suitable performance degradation phenomenon.
It should be noted that the value range of the second predetermined threshold value is 3.5-4.5 DEG C.
In any of the above-described technical solution, it is preferable that judging unit is additionally operable to：Judge that indoor environment temperature is set with corresponding
Whether the difference between constant temperature degree is less than or equal to third predetermined threshold value；Detection unit is additionally operable to：When judgement difference is less than or waits
When third predetermined threshold value, whether the current operational taps of the corresponding indoor fan of detection indoor environment temperature are minimum operation shelves
Position；Control unit is additionally operable to：When it is not minimum operation gear to detect current operational taps, control indoor fan performs reduction
One operational taps operation.
In the technical scheme, by judging that it is pre- that the difference between indoor environment temperature and set temperature is less than or equal to third
If during threshold value, whether the current operational taps for detecting corresponding indoor fan are minimum operation gear, that is, judge whether also to be able to
The operational taps of indoor fan are further reduced, to reduce the ability need value of corresponding indoor unit, by controlling indoor fan
Performing reduces the operation of an operational taps, reduces the running speed of indoor fan, reduces the ability of corresponding indoor unit
Requirements are conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure outdoor unit
Stable operation improves the stability and reliability of air conditioner overall operation.
It should be noted that the value range of third predetermined threshold value is 5-7 DEG C.
In any of the above-described technical solution, it is preferable that judging unit is additionally operable to：Judge that indoor environment temperature is set with corresponding
Whether the difference between constant temperature degree is less than or equal to third predetermined threshold value；Detection unit is additionally operable to：When judgement difference is less than or waits
When third predetermined threshold value, whether the current running speed of the corresponding indoor fan of detection indoor environment temperature is more than minimum operation
Rotating speed；Control unit is additionally operable to：When detecting that current running speed is more than minimum running speed, the current of indoor fan is controlled
Running speed reduces preset rotation speed threshold value.
In the technical scheme, by judging that it is pre- that the difference between indoor environment temperature and set temperature is less than or equal to third
If during threshold value, whether the current running speed for detecting corresponding indoor fan is minimum operation rotating speed, that is, judges whether also to be able to
The running speed of indoor fan is further reduced, to reduce the ability need value of corresponding indoor unit, by controlling indoor fan
Rotating speed reduces preset rotation speed threshold values, reduces the running speed of indoor fan, reduces the ability need value of corresponding indoor unit,
Be conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure that stablizing for outdoor unit is transported
Row improves the stability and reliability of air conditioner overall operation.
It is determined it should be noted that preset rotation speed threshold values can carry out selection according to the rotational speed regulation range of indoor fan.
In any of the above-described technical solution, it is preferable that further include：Determination unit, for work as indoor environment temperature with it is corresponding
Set temperature between difference be more than third predetermined threshold value when, determine that the corresponding indoor unit of indoor environment temperature meets condition；
Control unit is additionally operable to：When determining that running all indoor units all meet condition, the electronic expansion of any indoor unit is controlled
Valve is closed.
In the technical scheme, by judging that the difference between indoor environment temperature and set temperature presets threshold more than third
During value, determine whether the corresponding indoor unit of indoor environment temperature meets condition, when determining that running indoor unit is satisfied by condition
When, it is closed by the electric expansion valve for controlling any indoor unit, reduces total capacity requirements, be conducive to total capacity requirements tune
Save to outdoor unit fan-out capability limit value hereinafter, reduce outdoor unit because ability output it is excessive due to shut down possibility, be conducive to protect
Hinder the stable operation of outdoor unit, improve the stability and reliability of air conditioner overall operation.
In any of the above-described technical solution, it is preferable that determination unit is additionally operable to：It is determined according to predetermined period running more
The total capacity requirements of a indoor unit；Judging unit is additionally operable to：Judging the total capacity requirements of running multiple indoor units is
The no ability that is more than exports limit value.
In the technical scheme, by determining the total capacity requirements of running multiple indoor units according to predetermined period,
The determining accuracy and real-time of total capacity requirements are improved, by the total capacity demand for judging running multiple indoor units
Whether value, which is more than ability, exports limit value, is conducive to export more than outdoor unit ability in the total capacity requirements for judging multiple indoor units
It during limit value, adjusts in time, promotes the stability and reliability of air conditioner overall operation.
Technical solution according to the third aspect of the invention we provides a kind of air conditioner, including second aspect of the present invention
Operating control device in technical solution.
Technical solution according to the fourth aspect of the invention provides a kind of computer readable storage medium, stores thereon
There is computer program, above computer program is performed the operation controlling party for realizing that the technical solution such as first aspect limits
Method.
By above technical scheme, outdoor unit is reduced because of the excessive possibility for leading to outdoor unit failure of fan-out capability value
Property, the stability and reliability of air conditioner operation are improved, improves user experience.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 shows the schematic flow diagram of progress control method according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of operating control device according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of air conditioner according to an embodiment of the invention；
Fig. 4 shows the schematic flow diagram of progress control method according to another embodiment of the invention.
Specific embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Embodiment one：
Fig. 1 shows the schematic flow diagram of progress control method according to an embodiment of the invention.
As shown in Figure 1, progress control method according to an embodiment of the invention, including：
Step S102, when the total capacity requirements for detecting running multiple indoor units are greater than or equal to the energy of outdoor unit
When power exports limit value, the corresponding indoor environment temperature of each running indoor unit is detected；
Step S104 according to indoor environment temperature and corresponding set temperature, controls to adjust the electronics of corresponding indoor unit
The opening degree of expansion valve and/or the operating parameter of indoor fan.
In this embodiment, detect that multiple indoor unit total capacity requirements are defeated more than or equal to outdoor unit ability by working as
When going out limiting value, the corresponding indoor environment temperature of each indoor unit is detected, later according to the environment temperature of each indoor unit and setting
Constant temperature degree controls to adjust the opening degree of the electric expansion valve of each indoor unit and/or the operating parameter of indoor fan so that adjusts
The total capacity requirements of running multiple indoor units afterwards are in outdoor unit fan-out capability limit value hereinafter, advantageously ensuring that outdoor unit
Stable operation, improve the reliability of air conditioner overall operation, and protection air conditioner overall operation reliability it is same
When, reduce the generation that comfort property is caused to reduce phenomenon due to adjusting, improve user experience.
Wherein, it controls to adjust mode and includes at least three kinds, respectively：Individually control to adjust the electronic expansion of each indoor unit
The opening degree of valve, individually controls to adjust the operating parameter of each indoor fan, while the electronics for controlling to adjust each indoor unit is swollen
The opening degree of swollen valve and the operating parameter of indoor fan.
Wherein, the operating parameter of indoor fan includes at least the operation turn of the operational taps and indoor fan of indoor fan
Speed.
It should be noted that total capacity requirements are total refrigerating capacity requirements namely overall refrigerating effect requirements, Huo Zhewei
Total heating capacity requirements namely total heating capacity requirements.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the electric expansion valve for the indoor unit answered, including：Judge the difference between indoor environment temperature and corresponding set temperature
Whether value is less than or equal to the first predetermined threshold value；When judging that difference is less than or equal to the first predetermined threshold value, indoor environment is controlled
The corresponding electric expansion valve of temperature is closed.
In this embodiment, judge the difference between indoor environment temperature that indoor unit detects and corresponding set temperature
With the magnitude relationship between the first predetermined threshold value, that is, judge whether differ smaller between indoor environment temperature and set temperature, when
When judging that the difference of environment temperature and set temperature is less than or equal to the first predetermined threshold value, the electronics for controlling corresponding indoor unit is swollen
Swollen valve is closed, and is reduced the ability need value of the indoor unit, is thereby reduced whole total capacity requirements, be conducive to total capacity
Requirements, which are adjusted to the ability of outdoor unit, exports limit value hereinafter, being conducive to ensure the stable operation of outdoor unit, improves air conditioner
The stability and reliability of overall operation.
It should be noted that the value range of the first predetermined threshold value is 1-3 DEG C.
For example, for indoor unit A, when the indoor environment temperature detected is T1A, and set temperature is TSA, the difference of the two
Value TA=T1A-TSA, the first predetermined threshold value are 3 DEG C.When difference TA≤3 DEG C for judging environment temperature and set temperature, then control
The electric expansion valve of indoor unit A processed is closed.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the corresponding electric expansion valve of indoor unit answered, further includes：When judgement indoor environment temperature and corresponding set temperature
Between difference be more than the first predetermined threshold value when, judge difference whether be less than or equal to the second predetermined threshold value；When judgement difference is small
When the second predetermined threshold value, control reduces the aperture of the corresponding electric expansion valve of indoor environment temperature.
In this embodiment, by judge indoor environment temperature and set temperature set by user that indoor unit detects it
Between difference be more than the first predetermined threshold value and during less than or equal to the second predetermined threshold value, control reduces the electronics of corresponding indoor unit
The aperture of expansion valve reduces the ability need value of the indoor unit, and indoor unit is made to be transported with smaller refrigerating capacity or heating capacity
Row, on the one hand, be conducive to adjust total capacity requirements to outdoor unit fan-out capability limit value hereinafter, being conducive to ensure outdoor unit
Stable operation improves the stability and reliability of air conditioner overall operation, and on the other hand, reduce causes comfortably due to adjusting
The generation of performance degradation phenomenon.
It should be noted that the value range of the second predetermined threshold value is 3.5-4.5 DEG C.
For example, when indoor unit B is used to be freezed, when the indoor environment temperature detected is T1B, set temperature is
During TSB, the difference TB=T1B-TSB of the two, the first predetermined threshold value is 3 DEG C, and the second predetermined threshold value is 4 DEG C.As 3 DEG C of ＜ TB of judgement
At≤4 DEG C, in the case where ensureing that indoor unit B can be freezed, reduce the aperture of the electric expansion valve of indoor unit B, reduce
The refrigerating capacity requirements of indoor unit B adjust total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that operating parameter includes operational taps, according to indoor environment temperature and correspondence
Set temperature, control to adjust the operating parameter of corresponding indoor fan, including：Judge indoor environment temperature and corresponding setting
Whether the difference between temperature is less than or equal to third predetermined threshold value；When judging that difference is less than or equal to third predetermined threshold value,
Whether the current operational taps for detecting the corresponding indoor fan of indoor environment temperature are minimum operation gear；Detecting current fortune
When row gear is not minimum operation gear, control indoor fan, which performs, reduces an operational taps operation.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current operational taps for detecting corresponding indoor fan are minimum operation gear, that is, judge whether also to be able into
One step reduces the operational taps of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to hold
Row reduces the operation of an operational taps, reduces the running speed of indoor fan, reduces the ability of corresponding indoor unit and needs
Evaluation is conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure the steady of outdoor unit
Fixed operation improves the stability and reliability of air conditioner overall operation.It should be noted that the value model of third predetermined threshold value
Enclose is 5-7 DEG C.
For example, when indoor unit C is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the interior detected
Environment temperature is T1C, and when set temperature is TSC, the difference TC=T1C-TSC of the two, third predetermined threshold value is 5 DEG C, works as judgement
TC≤5 DEG C, and the current operational taps of indoor fan C be 2 grades when, control indoor fan C by current operational taps adjust to 1 grade fortune
Row, to reduce the refrigerating capacity requirements of indoor unit C, total capacity requirements are adjusted to outdoor unit fan-out capability limit value.
Again for example, when indoor unit D is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the room detected
Interior environment temperature is T1D, and when set temperature is TSD, the difference TD=T1D-TSD of the two, third predetermined threshold value is 5 DEG C, when sentencing
Disconnected TD≤5 DEG C, and when the current operational taps of indoor fan D are 2 grades, indoor fan D can be individually controlled by current operational taps
It adjusts to 1 grade of operation, to reduce the refrigerating capacity requirements of indoor unit D, it is also possible to control reduction indoor unit D corresponding
The opening degree of electric expansion valve further reduces the refrigerating capacity requirements of indoor unit D, total capacity requirements is adjusted to outdoor
Below machine fan-out capability limit value.
In any of the above-described embodiment, it is preferable that operating parameter includes running speed, according to indoor environment temperature and correspondence
Set temperature, control to adjust the operating parameter of corresponding indoor fan, including：Judge indoor environment temperature and corresponding setting
Whether the difference between temperature is less than or equal to third predetermined threshold value；When judging that difference is less than or equal to third predetermined threshold value,
Whether the current running speed for detecting the corresponding indoor fan of indoor environment temperature is more than minimum running speed；It is current detecting
When running speed is more than minimum running speed, the current running speed of indoor fan is controlled to reduce preset rotation speed threshold value.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current running speed for detecting corresponding indoor fan is minimum operation rotating speed, that is, judge whether also to be able into
One step reduces the running speed of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to turn
Speed reduces preset rotation speed threshold values, reduces the running speed of indoor fan, reduces the ability need value of corresponding indoor unit, have
Limit value is exported hereinafter, being conducive to the stable operation of guarantee outdoor unit conducive to by the ability that total capacity requirements are adjusted to outdoor unit,
Improve the stability and reliability of air conditioner overall operation.It should be noted that preset rotation speed threshold values can be according to indoor wind
The rotational speed regulation range of machine carries out selection and determines.
For example, when indoor unit E is used to be freezed, the minimum operation rotating speed of indoor fan is 600 revs/min, is preset
Rotating speed threshold values is 100 revs/min, when the indoor environment temperature detected is T1E, and set temperature is TSE, the difference TE of the two
=T1E-TSE, third predetermined threshold value are 5 DEG C, when judging TE≤5 DEG C, and the current running speeds of indoor fan E are 800 revs/min
When, it can individually control indoor fan E that running speed is adjusted to 700 revs/min, be needed with reducing the refrigerating capacity of indoor unit E
Evaluation can also control the opening degree for reducing the corresponding electric expansion valves of indoor unit E, further reduce the refrigeration of indoor unit simultaneously
Ability need value adjusts total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the corresponding electric expansion valve of indoor unit answered, including：When between indoor environment temperature and corresponding set temperature
When difference is more than third predetermined threshold value, determine that the corresponding indoor unit of indoor environment temperature meets condition；When determining running institute
When thering is the indoor unit all to meet condition, the electric expansion valve of any indoor unit is controlled to close.
In this embodiment, by judging that the difference between indoor environment temperature and set temperature is more than third predetermined threshold value
When, determine whether the corresponding indoor unit of indoor environment temperature meets condition, when determining that running indoor unit is satisfied by condition,
It is closed by the electric expansion valve for controlling any indoor unit, reduces total capacity requirements, be conducive to adjust total capacity requirements
To outdoor unit fan-out capability limit value hereinafter, reducing the possibility that outdoor unit is shut down due to ability output is excessive, be conducive to ensure
The stable operation of outdoor unit improves the stability and reliability of air conditioner overall operation.
In any of the above-described embodiment, it is preferable that be more than room in the total capacity requirements when running multiple indoor units
During the ability output limit value of outer machine, before detecting the corresponding indoor environment temperature of each running indoor unit, further include：According to
Predetermined period determines the total capacity requirements of running multiple indoor units；Judging the total capacity of running multiple indoor units needs
Whether evaluation, which is more than ability, exports limit value.
In this embodiment, it by determining the total capacity requirements of running multiple indoor units according to predetermined period, carries
The high determining accuracy and real-time of total capacity requirements, by the total capacity requirements for judging running multiple indoor units
Whether it is more than ability and exports limit value, is conducive to be more than outdoor unit ability output limit in the total capacity requirements for judging multiple indoor units
It during value, adjusts in time, promotes the stability and reliability of air conditioner overall operation.
Embodiment two：
Fig. 2 shows the schematic block diagrams of operating control device according to an embodiment of the invention.
As shown in Fig. 2, operating control device 200 according to an embodiment of the invention, including：Detection unit 202 is used
When the ability for being greater than or equal to outdoor unit when the total capacity requirements for detecting running multiple indoor units exports limit value, inspection
Survey the corresponding indoor environment temperature of each running indoor unit；Control unit 204, for according to indoor environment temperature and correspondence
Set temperature, control to adjust the opening degree of the electric expansion valve of corresponding indoor unit and/or the operating parameter of indoor fan.
In this embodiment, detect that multiple indoor unit total capacity requirements are defeated more than or equal to outdoor unit ability by working as
When going out limiting value, the corresponding indoor environment temperature of each indoor unit is detected, later according to the environment temperature of each indoor unit and setting
Constant temperature degree controls to adjust the opening degree of the electric expansion valve of each indoor unit and/or the operating parameter of indoor fan so that adjusts
The total capacity requirements of running multiple indoor units afterwards are in outdoor unit fan-out capability limit value hereinafter, advantageously ensuring that outdoor unit
Stable operation, improve the reliability of air conditioner overall operation, and protection air conditioner overall operation reliability it is same
When, reduce the generation that comfort property is caused to reduce phenomenon due to adjusting, improve user experience.
Wherein, it controls to adjust mode and includes at least three kinds, respectively：Individually control to adjust the electronic expansion of each indoor unit
The opening degree of valve, individually controls to adjust the operating parameter of each indoor fan, while the electronics for controlling to adjust each indoor unit is swollen
The opening degree of swollen valve and the operating parameter of indoor fan.
Wherein, the operating parameter of indoor fan includes at least the operation turn of the operational taps and indoor fan of indoor fan
Speed.
It should be noted that total capacity requirements are total refrigerating capacity requirements namely overall refrigerating effect requirements, Huo Zhewei
Total heating capacity requirements namely total heating capacity requirements.
In any of the above-described embodiment, it is preferable that further include：Judging unit 206, for judging indoor environment temperature and right
Whether the difference between the set temperature answered is less than or equal to the first predetermined threshold value；Control unit 204 is additionally operable to：When judgement difference
During less than or equal to the first predetermined threshold value, the corresponding electric expansion valve of control indoor environment temperature is closed.
In this embodiment, judge the difference between indoor environment temperature that indoor unit detects and corresponding set temperature
With the magnitude relationship between the first predetermined threshold value, that is, judge whether differ smaller between indoor environment temperature and set temperature, when
When judging that the difference of environment temperature and set temperature is less than or equal to the first predetermined threshold value, the electronics for controlling corresponding indoor unit is swollen
Swollen valve is closed, and is reduced the ability need value of the indoor unit, is thereby reduced whole total capacity requirements, be conducive to total capacity
Requirements, which are adjusted to the ability of outdoor unit, exports limit value hereinafter, being conducive to ensure the stable operation of outdoor unit, improves air conditioner
The stability and reliability of overall operation.
It should be noted that the value range of the first predetermined threshold value is 1-3 DEG C.
For example, for indoor unit A, when the indoor environment temperature detected is T1A, and set temperature is TSA, the difference of the two
Value TA=T1A-TSA, the first predetermined threshold value are 3 DEG C.When difference TA≤3 DEG C for judging environment temperature and set temperature, then control
The electric expansion valve of indoor unit A processed is closed.
In any of the above-described embodiment, it is preferable that judging unit 206 is additionally operable to：When judgement indoor environment temperature with it is corresponding
Set temperature between difference be more than the first predetermined threshold value when, judge difference whether be less than or equal to the second predetermined threshold value；Control
Unit 204 processed is additionally operable to：When judging that difference is less than or equal to the second predetermined threshold value, it is corresponding that control reduces indoor environment temperature
The aperture of electric expansion valve.
In this embodiment, by judge indoor environment temperature and set temperature set by user that indoor unit detects it
Between difference be more than the first predetermined threshold value and during less than or equal to the second predetermined threshold value, control reduces the electronics of corresponding indoor unit
The aperture of expansion valve reduces the ability need value of the indoor unit, and indoor unit is made to be transported with smaller refrigerating capacity or heating capacity
Row, on the one hand, be conducive to adjust total capacity requirements to outdoor unit fan-out capability limit value hereinafter, being conducive to ensure outdoor unit
Stable operation improves the stability and reliability of air conditioner overall operation, and on the other hand, reduce causes comfortably due to adjusting
The generation of performance degradation phenomenon.
It should be noted that the value range of the second predetermined threshold value is 3.5-4.5 DEG C.
For example, when indoor unit B is used to be freezed, when the indoor environment temperature detected is T1B, set temperature is
During TSB, the difference TB=T1B-TSB of the two, the first predetermined threshold value is 3 DEG C, and the second predetermined threshold value is 4 DEG C.As 3 DEG C of ＜ TB of judgement
At≤4 DEG C, in the case where ensureing that indoor unit B can be freezed, reduce the aperture of the electric expansion valve of indoor unit B, reduce
The refrigerating capacity requirements of indoor unit B adjust total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that judging unit 206 is additionally operable to：Judge indoor environment temperature with it is corresponding
Whether the difference between set temperature is less than or equal to third predetermined threshold value；Detection unit 202 is additionally operable to：When judgement difference is less than
Or during equal to third predetermined threshold value, whether the current operational taps of the corresponding indoor fan of detection indoor environment temperature are minimum fortune
Row gear；Control unit 204 is additionally operable to：When it is not minimum operation gear to detect current operational taps, indoor fan is controlled
Performing reduces an operational taps operation.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current operational taps for detecting corresponding indoor fan are minimum operation gear, that is, judge whether also to be able into
One step reduces the operational taps of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to hold
Row reduces the operation of an operational taps, reduces the running speed of indoor fan, reduces the ability of corresponding indoor unit and needs
Evaluation is conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure the steady of outdoor unit
Fixed operation improves the stability and reliability of air conditioner overall operation.It should be noted that the value model of third predetermined threshold value
Enclose is 5-7 DEG C.
For example, when indoor unit C is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the interior detected
Environment temperature is T1C, and when set temperature is TSC, the difference TC=T1C-TSC of the two, third predetermined threshold value is 5 DEG C, works as judgement
TC≤5 DEG C, and the current operational taps of indoor fan C be 2 grades when, control indoor fan C by current operational taps adjust to 1 grade fortune
Row, to reduce the refrigerating capacity requirements of indoor unit C, total capacity requirements are adjusted to outdoor unit fan-out capability limit value.
Again for example, when indoor unit D is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the room detected
Interior environment temperature is T1D, and when set temperature is TSD, the difference TD=T1D-TSD of the two, third predetermined threshold value is 5 DEG C, when sentencing
Disconnected TD≤5 DEG C, and when the current operational taps of indoor fan D are 2 grades, indoor fan D can be individually controlled by current operational taps
It adjusts to 1 grade of operation, to reduce the refrigerating capacity requirements of indoor unit D, it is also possible to control reduction indoor unit D corresponding
The opening degree of electric expansion valve further reduces the refrigerating capacity requirements of indoor unit D, total capacity requirements is adjusted to outdoor
Below machine fan-out capability limit value.
In any of the above-described embodiment, it is preferable that judging unit 206 is additionally operable to：Judge indoor environment temperature with it is corresponding
Whether the difference between set temperature is less than or equal to third predetermined threshold value；Detection unit 202 is additionally operable to：When judgement difference is less than
Or during equal to third predetermined threshold value, whether the current running speed of the corresponding indoor fan of detection indoor environment temperature is more than minimum
Running speed；Control unit 204 is additionally operable to：When detecting that current running speed is more than minimum running speed, wind in control room
The current running speed of machine reduces preset rotation speed threshold value.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current running speed for detecting corresponding indoor fan is minimum operation rotating speed, that is, judge whether also to be able into
One step reduces the running speed of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to turn
Speed reduces preset rotation speed threshold values, reduces the running speed of indoor fan, reduces the ability need value of corresponding indoor unit, have
Limit value is exported hereinafter, being conducive to the stable operation of guarantee outdoor unit conducive to by the ability that total capacity requirements are adjusted to outdoor unit,
Improve the stability and reliability of air conditioner overall operation.It should be noted that preset rotation speed threshold values can be according to indoor wind
The rotational speed regulation range of machine carries out selection and determines.
For example, when indoor unit E is used to be freezed, the minimum operation rotating speed of indoor fan is 600 revs/min, is preset
Rotating speed threshold values is 100 revs/min, when the indoor environment temperature detected is T1E, and set temperature is TSE, the difference TE of the two
=T1E-TSE, third predetermined threshold value are 5 DEG C, when judging TE≤5 DEG C, and the current running speeds of indoor fan E are 800 revs/min
When, it can individually control indoor fan E that running speed is adjusted to 700 revs/min, be needed with reducing the refrigerating capacity of indoor unit E
Evaluation can also control the opening degree for reducing the corresponding electric expansion valves of indoor unit E, further reduce the refrigeration of indoor unit simultaneously
Ability need value adjusts total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that further include：Determination unit 208, for work as indoor environment temperature with it is corresponding
Set temperature between difference be more than third predetermined threshold value when, determine that the corresponding indoor unit of indoor environment temperature meets condition；
Control unit 204 is additionally operable to：When determining that running all indoor units all meet condition, the electronics for controlling any indoor unit is swollen
Swollen valve is closed.
In this embodiment, by judging that the difference between indoor environment temperature and set temperature is more than third predetermined threshold value
When, determine whether the corresponding indoor unit of indoor environment temperature meets condition, when determining that running indoor unit is satisfied by condition,
It is closed by the electric expansion valve for controlling any indoor unit, reduces total capacity requirements, be conducive to adjust total capacity requirements
To outdoor unit fan-out capability limit value hereinafter, reducing the possibility that outdoor unit is shut down due to ability output is excessive, be conducive to ensure
The stable operation of outdoor unit improves the stability and reliability of air conditioner overall operation.
In any of the above-described embodiment, it is preferable that determination unit 208 is additionally operable to：It is determined according to predetermined period running
The total capacity requirements of multiple indoor units；Judging unit 206 is additionally operable to：Judge the total capacity demand of running multiple indoor units
Whether value, which is more than ability, exports limit value.
In this embodiment, it by determining the total capacity requirements of running multiple indoor units according to predetermined period, carries
The high determining accuracy and real-time of total capacity requirements, by the total capacity requirements for judging running multiple indoor units
Whether it is more than ability and exports limit value, is conducive to be more than outdoor unit ability output limit in the total capacity requirements for judging multiple indoor units
It during value, adjusts in time, promotes the stability and reliability of air conditioner overall operation.
Embodiment three：
Fig. 3 shows the schematic block diagram of air conditioner according to an embodiment of the invention.
As shown in figure 3, air conditioner 300 according to an embodiment of the invention, including：Operating control device 200.
Example IV：
Fig. 4 shows the schematic flow diagram of progress control method according to another embodiment of the invention.
As shown in figure 4, progress control method according to another embodiment of the invention includes：Step S402, judges room
Whether interior machine total capacity requirements, which are more than outdoor unit ability, exports limit value, if so, step S404 is performed, if it is not, performing step
S408；Step S404, the corresponding indoor environment temperature of more each indoor unit and set temperature；Step S406, according to temperature pair
Than as a result, adjusting the corresponding electronic expansion valve opening of the indoor fan and operating air velocity；Step S408, indoor unit are transported according to program
Row.
Embodiment five：
Air conditioner, outdoor unit ability always export limit value as 7200W, and indoor unit collocation situation is：X indoor unit capability requirements
For 2600W, Y indoor unit capabilities requirements are 2600W, and Z indoor unit capabilities requirements are 3500W.Three indoor units are opened simultaneously,
It is 30 DEG C to correspond to indoor environment temperature T1X, T1Y, T1Z respectively, TSX=TSY=26 DEG C of set temperature, TSZ=28 DEG C, at this time
Air conditioner room unit total capacity requirements are 8700W, export limit value 7200W more than outdoor unit ability, calculate each indoor unit
Difference between indoor environment temperature and set temperature, TY=4 DEG C of Δ TX=Δs, TZ=2 DEG C of Δ, then control X, Y indoor unit
Electronic expansion valve opening remains unchanged, and corresponding indoor fan operational taps reduce by one grade, controls the electric expansion valve of Z indoor units
It closes, performs air supply pattern, reduce indoor unit total capacity requirements.
Predetermined period is 3 minutes, i.e., air device was detected every repetition in 3 minutes, and set temperature is constant.When detecting again, when
T1X temperature is reduced to 28 DEG C, and TX=2 DEG C of Δ, the electric expansion valve of air conditioner control A indoor units is closed, and uses air supply pattern；When
T1Y temperature remains unchanged, TY=3 DEG C of Δ, and the electronic expansion valve opening of control Y indoor units remains unchanged, and operation windscreen reduces by one
Shelves；When T1Z temperature is increased to 34 DEG C, TZ=6 DEG C of Δ, the electric expansion valve of control Z indoor units is adjusted to target aperture, uses mesh
Mark windscreen.
Embodiment six：
According to an embodiment of the invention, it is also proposed that a kind of computer readable storage medium is stored thereon with computer journey
Sequence, above computer program are performed realization following steps：When the total capacity demand for detecting running multiple indoor units
When value exports limit value more than or equal to the ability of outdoor unit, the corresponding indoor environment temperature of each running indoor unit is detected；
According to indoor environment temperature and corresponding set temperature, control to adjust the electric expansion valve of corresponding indoor unit opening degree and/
Or the operating parameter of indoor fan.
In this embodiment, detect that multiple indoor unit total capacity requirements are defeated more than or equal to outdoor unit ability by working as
When going out limiting value, the corresponding indoor environment temperature of each indoor unit is detected, later according to the environment temperature of each indoor unit and setting
Constant temperature degree controls to adjust the opening degree of the electric expansion valve of each indoor unit and/or the operating parameter of indoor fan so that adjusts
The total capacity requirements of running multiple indoor units afterwards are in outdoor unit fan-out capability limit value hereinafter, advantageously ensuring that outdoor unit
Stable operation, improve the reliability of air conditioner overall operation, and protection air conditioner overall operation reliability it is same
When, reduce the generation that comfort property is caused to reduce phenomenon due to adjusting, improve user experience.
Wherein, it controls to adjust mode and includes at least three kinds, respectively：Individually control to adjust the electronic expansion of each indoor unit
The opening degree of valve, individually controls to adjust the operating parameter of each indoor fan, while the electronics for controlling to adjust each indoor unit is swollen
The opening degree of swollen valve and the operating parameter of indoor fan.
Wherein, the operating parameter of indoor fan includes at least the operation turn of the operational taps and indoor fan of indoor fan
Speed.
It should be noted that total capacity requirements are total refrigerating capacity requirements namely overall refrigerating effect requirements, Huo Zhewei
Total heating capacity requirements namely total heating capacity requirements.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the electric expansion valve for the indoor unit answered, including：Judge the difference between indoor environment temperature and corresponding set temperature
Whether value is less than or equal to the first predetermined threshold value；When judging that difference is less than or equal to the first predetermined threshold value, indoor environment is controlled
The corresponding electric expansion valve of temperature is closed.
In this embodiment, judge the difference between indoor environment temperature that indoor unit detects and corresponding set temperature
With the magnitude relationship between the first predetermined threshold value, that is, judge whether differ smaller between indoor environment temperature and set temperature, when
When judging that the difference of environment temperature and set temperature is less than or equal to the first predetermined threshold value, the electronics for controlling corresponding indoor unit is swollen
Swollen valve is closed, and is reduced the ability need value of the indoor unit, is thereby reduced whole total capacity requirements, be conducive to total capacity
Requirements, which are adjusted to the ability of outdoor unit, exports limit value hereinafter, being conducive to ensure the stable operation of outdoor unit, improves air conditioner
The stability and reliability of overall operation.
It should be noted that the value range of the first predetermined threshold value is 1-3 DEG C.
For example, for indoor unit A, when the indoor environment temperature detected is T1A, and set temperature is TSA, the difference of the two
Value TA=T1A-TSA, the first predetermined threshold value are 3 DEG C.When difference TA≤3 DEG C for judging environment temperature and set temperature, then control
The electric expansion valve of indoor unit A processed is closed.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the corresponding electric expansion valve of indoor unit answered, further includes：When judgement indoor environment temperature and corresponding set temperature
Between difference be more than the first predetermined threshold value when, judge difference whether be less than or equal to the second predetermined threshold value；When judgement difference is small
When the second predetermined threshold value, control reduces the aperture of the corresponding electric expansion valve of indoor environment temperature.
In this embodiment, by judge indoor environment temperature and set temperature set by user that indoor unit detects it
Between difference be more than the first predetermined threshold value and during less than or equal to the second predetermined threshold value, control reduces the electronics of corresponding indoor unit
The aperture of expansion valve reduces the ability need value of the indoor unit, and indoor unit is made to be transported with smaller refrigerating capacity or heating capacity
Row, on the one hand, be conducive to adjust total capacity requirements to outdoor unit fan-out capability limit value hereinafter, being conducive to ensure outdoor unit
Stable operation improves the stability and reliability of air conditioner overall operation, and on the other hand, reduce causes comfortably due to adjusting
The generation of performance degradation phenomenon.
It should be noted that the value range of the second predetermined threshold value is 3.5-4.5 DEG C.
For example, when indoor unit B is used to be freezed, when the indoor environment temperature detected is T1B, set temperature is
During TSB, the difference TB=T1B-TSB of the two, the first predetermined threshold value is 3 DEG C, and the second predetermined threshold value is 4 DEG C.As 3 DEG C of ＜ TB of judgement
At≤4 DEG C, in the case where ensureing that indoor unit B can be freezed, reduce the aperture of the electric expansion valve of indoor unit B, reduce
The refrigerating capacity requirements of indoor unit B adjust total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that operating parameter includes operational taps, according to indoor environment temperature and correspondence
Set temperature, control to adjust the operating parameter of corresponding indoor fan, including：Judge indoor environment temperature and corresponding setting
Whether the difference between temperature is less than or equal to third predetermined threshold value；When judging that difference is less than or equal to third predetermined threshold value,
Whether the current operational taps for detecting the corresponding indoor fan of indoor environment temperature are minimum operation gear；Detecting current fortune
When row gear is not minimum operation gear, control indoor fan, which performs, reduces an operational taps operation.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current operational taps for detecting corresponding indoor fan are minimum operation gear, that is, judge whether also to be able into
One step reduces the operational taps of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to hold
Row reduces the operation of an operational taps, reduces the running speed of indoor fan, reduces the ability of corresponding indoor unit and needs
Evaluation is conducive to the ability that total capacity requirements are adjusted to outdoor unit exporting limit value hereinafter, being conducive to ensure the steady of outdoor unit
Fixed operation improves the stability and reliability of air conditioner overall operation.It should be noted that the value model of third predetermined threshold value
Enclose is 5-7 DEG C.
For example, when indoor unit C is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the interior detected
Environment temperature is T1C, and when set temperature is TSC, the difference TC=T1C-TSC of the two, third predetermined threshold value is 5 DEG C, works as judgement
TC≤5 DEG C, and the current operational taps of indoor fan C be 2 grades when, control indoor fan C by current operational taps adjust to 1 grade fortune
Row, to reduce the refrigerating capacity requirements of indoor unit C, total capacity requirements are adjusted to outdoor unit fan-out capability limit value.
Again for example, when indoor unit D is used to be freezed, the operational taps of indoor fan are divided into 3 grades, when the room detected
Interior environment temperature is T1D, and when set temperature is TSD, the difference TD=T1D-TSD of the two, third predetermined threshold value is 5 DEG C, when sentencing
Disconnected TD≤5 DEG C, and when the current operational taps of indoor fan D are 2 grades, indoor fan D can be individually controlled by current operational taps
It adjusts to 1 grade of operation, to reduce the refrigerating capacity requirements of indoor unit D, it is also possible to control reduction indoor unit D corresponding
The opening degree of electric expansion valve further reduces the refrigerating capacity requirements of indoor unit D, total capacity requirements is adjusted to outdoor
Below machine fan-out capability limit value.
In any of the above-described embodiment, it is preferable that operating parameter includes running speed, according to indoor environment temperature and correspondence
Set temperature, control to adjust the operating parameter of corresponding indoor fan, including：Judge indoor environment temperature and corresponding setting
Whether the difference between temperature is less than or equal to third predetermined threshold value；When judging that difference is less than or equal to third predetermined threshold value,
Whether the current running speed for detecting the corresponding indoor fan of indoor environment temperature is more than minimum running speed；It is current detecting
When running speed is more than minimum running speed, the current running speed of indoor fan is controlled to reduce preset rotation speed threshold value.
In this embodiment, it is preset by the difference judged between indoor environment temperature and set temperature less than or equal to third
During threshold value, whether the current running speed for detecting corresponding indoor fan is minimum operation rotating speed, that is, judge whether also to be able into
One step reduces the running speed of indoor fan, to reduce the ability need value of corresponding indoor unit, by the way that indoor fan is controlled to turn
Speed reduces preset rotation speed threshold values, reduces the running speed of indoor fan, reduces the ability need value of corresponding indoor unit, have
Limit value is exported hereinafter, being conducive to the stable operation of guarantee outdoor unit conducive to by the ability that total capacity requirements are adjusted to outdoor unit,
Improve the stability and reliability of air conditioner overall operation.It should be noted that preset rotation speed threshold values can be according to indoor wind
The rotational speed regulation range of machine carries out selection and determines.
For example, when indoor unit E is used to be freezed, the minimum operation rotating speed of indoor fan is 600 revs/min, is preset
Rotating speed threshold values is 100 revs/min, when the indoor environment temperature detected is T1E, and set temperature is TSE, the difference TE of the two
=T1E-TSE, third predetermined threshold value are 5 DEG C, when judging TE≤5 DEG C, and the current running speeds of indoor fan E are 800 revs/min
When, it can individually control indoor fan E that running speed is adjusted to 700 revs/min, be needed with reducing the refrigerating capacity of indoor unit E
Evaluation can also control the opening degree for reducing the corresponding electric expansion valves of indoor unit E, further reduce the refrigeration of indoor unit simultaneously
Ability need value adjusts total capacity requirements to outdoor unit fan-out capability limit value.
In any of the above-described embodiment, it is preferable that according to indoor environment temperature and corresponding set temperature, control and regulation pair
The opening degree of the corresponding electric expansion valve of indoor unit answered, including：When between indoor environment temperature and corresponding set temperature
When difference is more than third predetermined threshold value, determine that the corresponding indoor unit of indoor environment temperature meets condition；When determining running institute
When thering is the indoor unit all to meet condition, the electric expansion valve of any indoor unit is controlled to close.
In this embodiment, by judging that the difference between indoor environment temperature and set temperature is more than third predetermined threshold value
When, determine whether the corresponding indoor unit of indoor environment temperature meets condition, when determining that running indoor unit is satisfied by condition,
It is closed by the electric expansion valve for controlling any indoor unit, reduces total capacity requirements, be conducive to adjust total capacity requirements
To outdoor unit fan-out capability limit value hereinafter, reducing the possibility that outdoor unit is shut down due to ability output is excessive, be conducive to ensure
The stable operation of outdoor unit improves the stability and reliability of air conditioner overall operation.
In any of the above-described embodiment, it is preferable that be more than room in the total capacity requirements when running multiple indoor units
During the ability output limit value of outer machine, before detecting the corresponding indoor environment temperature of each running indoor unit, further include：According to
Predetermined period determines the total capacity requirements of running multiple indoor units；Judging the total capacity of running multiple indoor units needs
Whether evaluation, which is more than ability, exports limit value.
In this embodiment, it by determining the total capacity requirements of running multiple indoor units according to predetermined period, carries
The high determining accuracy and real-time of total capacity requirements, by the total capacity requirements for judging running multiple indoor units
Whether it is more than ability and exports limit value, is conducive to be more than outdoor unit ability output limit in the total capacity requirements for judging multiple indoor units
It during value, adjusts in time, promotes the stability and reliability of air conditioner overall operation.
The embodiment of the present invention is described in detail above in association with attached drawing, the present invention provides a kind of progress control method, fortune
Row control device, air conditioner and computer readable storage medium detect that multiple indoor unit total capacity requirements are more than by working as
Or during equal to outdoor unit ability output stage limit value, the corresponding indoor environment temperature of each indoor unit is detected, according to each indoor unit
Indoor environment temperature and set temperature, control to adjust the opening degree and/or indoor fan of the electric expansion valve of each indoor unit
Operating parameter so that the total capacity requirements of running multiple indoor units after adjusting outdoor unit fan-out capability limit value with
Under, and while the reliability for protecting air conditioner overall operation, reduce causes comfort property to reduce phenomenon due to adjusting
Generation, improve user experience.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of progress control method, which is characterized in that including：
When the ability that the total capacity requirements for detecting running multiple indoor units are greater than or equal to outdoor unit exports limit value,
Detect the corresponding indoor environment temperature of each running indoor unit；
According to the indoor environment temperature and corresponding set temperature, the electric expansion valve of the corresponding indoor unit is controlled to adjust
Opening degree and/or indoor fan operating parameter.
2. progress control method according to claim 1, which is characterized in that described according to the indoor environment temperature and right
The set temperature answered controls to adjust the opening degree of the electric expansion valve of the corresponding indoor unit, including：
It is default to judge whether the difference between the indoor environment temperature and the corresponding set temperature is less than or equal to first
Threshold value；
When judging that the difference is less than or equal to first predetermined threshold value, control the indoor environment temperature corresponding described
Electric expansion valve is closed.
3. progress control method according to claim 2, which is characterized in that described according to the indoor environment temperature and right
The set temperature answered controls to adjust the opening degree of the corresponding electric expansion valve of the corresponding indoor unit, further includes：
When judging that the difference between the indoor environment temperature and corresponding set temperature is more than first predetermined threshold value, sentence
Whether the difference of breaking is less than or equal to the second predetermined threshold value；
When judging that the difference is less than or equal to the second predetermined threshold value, it is corresponding described that control reduces the indoor environment temperature
The aperture of electric expansion valve.
4. progress control method according to any one of claim 1 to 3, which is characterized in that the operating parameter includes
Operational taps, it is described according to the indoor environment temperature and corresponding set temperature, control to adjust the fortune of corresponding indoor fan
Row parameter, including：
Judge whether the difference between the indoor environment temperature and the corresponding set temperature is preset less than or equal to third
Threshold value；
When judging that the difference is less than or equal to the third predetermined threshold value, it is corresponding described to detect the indoor environment temperature
Whether the current operational taps of indoor fan are minimum operation gear；
When it is not the minimum operation gear to detect the current operational taps, the indoor fan is controlled, which to perform, reduces by one
A operational taps operation.
5. progress control method according to any one of claim 1 to 3, which is characterized in that the operating parameter includes
Running speed, it is described according to the indoor environment temperature and corresponding set temperature, control to adjust the fortune of corresponding indoor fan
Row parameter, including：
Judge whether the difference between the indoor environment temperature and the corresponding set temperature is preset less than or equal to third
Threshold value；
When judging that difference is less than or equal to the third predetermined threshold value, the corresponding interior of the indoor environment temperature is detected
Whether the current running speed of wind turbine is more than minimum running speed；
When detecting that the current running speed is more than the minimum running speed, the described current of the indoor fan is controlled
Running speed reduces preset rotation speed threshold value.
6. progress control method according to claim 1, which is characterized in that described according to the indoor environment temperature and right
The set temperature answered controls to adjust the opening degree of the corresponding electric expansion valve of the corresponding indoor unit, including：
When the difference between the indoor environment temperature and corresponding set temperature is more than third predetermined threshold value, the room is determined
The corresponding indoor unit of interior environment temperature meets condition；
When determining that running all indoor units all meet condition, the electric expansion valve of any indoor unit is controlled to close
It closes.
7. progress control method according to any one of claim 1 to 6, which is characterized in that described when running
When the total capacity requirements of multiple indoor units are more than the ability output limit value of outdoor unit, each running indoor unit is detected
Before corresponding indoor environment temperature, further include：
The total capacity requirements of running multiple indoor units are determined according to predetermined period；
Judge whether the total capacity requirements of running multiple indoor units are more than the ability and export limit value.
8. a kind of operating control device, which is characterized in that including：
Detection unit, for being greater than or equal to the energy of outdoor unit when the total capacity requirements for detecting running multiple indoor units
When power exports limit value, the corresponding indoor environment temperature of each running indoor unit of detection；
Control unit, for according to the indoor environment temperature and corresponding set temperature, controlling to adjust the corresponding interior
The opening degree of the electric expansion valve of machine and/or the operating parameter of indoor fan.
9. operating control device according to claim 8, which is characterized in that further include：
Judging unit, for judge the difference between the indoor environment temperature and the corresponding set temperature whether be less than or
Equal to the first predetermined threshold value；
Described control unit is additionally operable to：When judging that the difference is less than or equal to first predetermined threshold value, the room is controlled
The corresponding electric expansion valve of interior environment temperature is closed.
10. operating control device according to claim 9, which is characterized in that
The judging unit is additionally operable to：When the difference between the judgement indoor environment temperature and corresponding set temperature is more than institute
When stating the first predetermined threshold value, judge whether the difference is less than or equal to the second predetermined threshold value；
Described control unit is additionally operable to：When judging that the difference is less than or equal to the second predetermined threshold value, control reduces the room
The aperture of the corresponding electric expansion valve of interior environment temperature.
11. the operating control device according to any one of claim 8 to 10, which is characterized in that
The judging unit is additionally operable to：Judge whether is difference between the indoor environment temperature and the corresponding set temperature
Less than or equal to third predetermined threshold value；The detection unit is additionally operable to：When the judgement difference is pre- less than or equal to the third
If during threshold value, whether the current operational taps for detecting the corresponding indoor fan of the indoor environment temperature are minimum operation shelves
Position；
Described control unit is additionally operable to：When it is not the minimum operation gear to detect the current operational taps, institute is controlled
It states indoor fan and performs one operational taps operation of reduction.
12. the operating control device according to any one of claim 8 to 10, which is characterized in that
The judging unit is additionally operable to：Judge whether is difference between the indoor environment temperature and the corresponding set temperature
Less than or equal to third predetermined threshold value；
The detection unit, for when judging that difference is less than or equal to the third predetermined threshold value, detecting the indoor environment
Whether the current running speed of the corresponding indoor fan of temperature is more than minimum running speed；
Described control unit is additionally operable to：When detecting that the current running speed is more than the minimum running speed, institute is controlled
The current running speed for stating indoor fan reduces preset rotation speed threshold value.
13. operating control device according to claim 8, which is characterized in that further include：
Determination unit, for working as the difference between the indoor environment temperature and corresponding set temperature more than third predetermined threshold value
When, determine that the corresponding indoor unit of the indoor environment temperature meets condition；
Described control unit is additionally operable to：When determining that running all indoor units all meet condition, any interior is controlled
The electric expansion valve of machine is closed.
14. the operating control device according to any one of claim 8 to 13, which is characterized in that
The determination unit is additionally operable to：The total capacity requirements of running multiple indoor units are determined according to predetermined period；
The judging unit is additionally operable to：Judge whether the total capacity requirements of running multiple indoor units are more than the energy
Power exports limit value.
15. a kind of air conditioner, the air conditioner includes memory, processor and is stored on the memory and can be at the place
The computer program run on reason device, which is characterized in that
The processor realizes the operation controlling party as described in any one of claim 1 to 7 when performing the computer program
The step of method；
And/or including the operating control device as described in any one of claim 8 to 14.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of progress control method as described in any one of claim 1 to 7 is realized when being executed by processor.
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