CN108444059A - The control method of air-conditioning under heating mode - Google Patents
The control method of air-conditioning under heating mode Download PDFInfo
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- CN108444059A CN108444059A CN201810277509.9A CN201810277509A CN108444059A CN 108444059 A CN108444059 A CN 108444059A CN 201810277509 A CN201810277509 A CN 201810277509A CN 108444059 A CN108444059 A CN 108444059A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technical fields, and in particular to the control method of air-conditioning under a kind of heating mode.Present invention seek to address that the problem that universality is poor existing for the control method of existing air-conditioning, user experience is bad.For this purpose, the control method of the present invention includes：Obtain outdoor environment temperature；When environment temperature is less than or equal to temperature threshold, the preheating time of electric heater is calculated according to the first fitting formula；The acceleration of outer wind turbine is calculated according to the second fitting formula；According to third fitting formula calculate compressor the raising frequency stage raising frequency speed；Electric heater is controlled according to preheating time to compressor preheating；The outer wind turbine of control is according to acceleration raising speed to rotating speed of target；When the time that electric heater is opened reaches preheating time and outer wind turbine raising speed is to rotating speed of target, control compressor carries out raising frequency according to raising frequency speed.By above-mentioned control mode, the control method of air-conditioning can improve the universality of air-conditioning under heating mode of the invention, improve the usage experience of user.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to the control method of air-conditioning under a kind of heating mode.
Background technology
With the increasingly raising of living standard, requirement of the people for quality of life is also higher and higher, and this requirement is in
Embody particularly evident on electrical appliance.It is easypro to be brought for user in order to meet the needs of user quickly heats by taking air-conditioning as an example
Suitable usage experience, existing air-conditioning generally can all be such that the quick raising frequency of compressor to higher frequency runs (such as in rigid booting
Raising frequency is to maximum operation frequency).During compressor is quickly ramped up to high frequency, in order to ensure normal oil return, it will usually force
Compressor continuous service in some or certain fixed frequencies (oil return frequency) for a period of time, waits for that subsequent frequency of continuing rising is stablized in oil return.
But force the compressor set-up mode of continuous service for a period of time in oil return frequency so that air-conditioning was quickly heated in booting
Cheng Zhong, the raising frequency overlong time of compressor slow down the speed that compressor reaches maximum operation frequency, and then it is quick to influence air-conditioning
The effect of heating.
To solve the above problem of air-conditioning, the application for a patent for invention of Publication No. CN107576016A discloses a kind of " sky
The control method and system of tune ".Specifically, the control method includes mainly：Make the compressor start of air-conditioning；Make compressor by
According to multiple setting speeds, continuous raising frequency stage by stage；After continuous raising frequency stage by stage, judge whether compressor frequency reaches first
Target frequency；When compressor frequency reaches first object frequency, compressor is made to stop raising frequency.This application is mainly pressed by cancelling
Continuous running phases during contracting machine raising frequency in oil return frequency then make compressor upon actuation with different raising frequency speed
The mode of continuous raising frequency stage by stage shortens the raising frequency time of compressor, realizes the purpose quickly heated.Although above-mentioned control method
It solves the problems, such as that quick heating effect is poor in the prior art to a certain extent, but is also inevitably present following defect：
First, not all user quickly heats after being required for air-conditioning to be switched on, nor being suitable under all environmental conditions quickly
Heating, therefore there is universality difference in actual use in above-mentioned control method.Secondly, the quick raising frequency of air-conditioning can be corresponding
Ground causes noise to become larger, and for some special users or occasion (such as insomnia user or library), the generation of noise is non-
Often influence the usage experience of user.
Correspondingly, this field needs a kind of control method of air-conditioning under new heating mode to solve the above problems.
Invention content
It is pervasive existing for the control method of existing air-conditioning in order to solve in order to solve the above problem in the prior art
The problem that property is poor, user experience is bad, the present invention provides a kind of control method of air-conditioning under heating mode, the air-conditioning includes
Compressor, expansion valve and outer wind turbine, the compressor are configured with electric heater, and the control method includes：
Obtain outdoor environment temperature；
When the outdoor environment temperature is less than or equal to temperature threshold, according to the first fitting formula, calculates the electricity and add
The preheating time of hot device；
According to the second fitting formula, the acceleration of the outer wind turbine is calculated；
According to third fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
The electric heater is controlled according to the preheating time to the compressor preheating；
The electric heater according to the preheating time to the compressor preheating while, before or after, control
The outer wind turbine is according to the acceleration raising speed to rotating speed of target；
When the electric heater and/or the outer wind turbine reach setting condition, the compressor is controlled according to the liter
Frequency speed carries out raising frequency；
Wherein, first fitting formula is according to pair of the outdoor environment temperature and the preheating time of the electric heater
It should be related to determination, second fitting formula is according to corresponding between the outdoor environment temperature and the acceleration of the outer wind turbine
Relationship determines that the third fitting formula is according to corresponding between the outdoor environment temperature and the raising frequency speed of the compressor
Relationship determines.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the control method further includes：
Judge whether the frequency of the compressor reaches stable working frequency；
When the frequency of the compressor reaches the stable working frequency, the compressor is made to stop raising frequency；
Wherein, the stable working frequency is determined according to the correspondence of outdoor environment temperature and stable working frequency.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the step of " obtaining outdoor environment temperature "
After rapid, the control method further includes：
Judge whether the outdoor environment temperature is in preset temperature range；
When the outdoor environment temperature is in the temperature range, according to the third fitting formula, the pressure is calculated
Raising frequency speed of the contracting machine in the raising frequency stage.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the control method further includes：
When the outdoor environment temperature is less than the minimum value of the temperature range, according to the third fitting formula, press
According to the temperature range minimum value calculate the compressor the raising frequency stage raising frequency speed；Or
When the outdoor environment temperature is more than the maximum value of the temperature range, according to the third fitting formula, press
Raising frequency speed of the compressor described in maximum value calculation according to the temperature range in the raising frequency stage.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the rotating speed of target is the exogenous wind
The maximum (top) speed of machine, " when the electric heater and/or the outer wind turbine reach setting condition, control the compressor according to
The step of raising frequency speed progress raising frequency ", further comprises：
Reach when the time that the electric heater is opened reaching the preheating time, and/or in the outer wind turbine
When the maximum (top) speed, controls the compressor and carry out raising frequency according to the raising frequency speed.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, " the control outer wind turbine according to
The acceleration raising speed is to rotating speed of target " the step of after, the control method further includes：
According to the corresponding pass between the frequency of outdoor environment temperature and/or the compressor and the rotating speed of the outer wind turbine
System adjusts the rotating speed of the outer wind turbine.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the control method further includes：
According to the corresponding pass between the frequency of outdoor environment temperature and/or the compressor and the aperture of the expansion valve
System, adjusts the aperture of the expansion valve.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the raising frequency stage includes multiple liters
Frequency sub-stage, the third fitting formula include accordingly that multiple thirds are fitted subformula, " according to third fitting formula, are calculated
Raising frequency speed of the compressor in the raising frequency stage " further comprises：
It is fitted subformula according to each third, calculates separately the raising frequency speed of each raising frequency sub-stage of compressor.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, " compressor is controlled according to institute
State raising frequency speed carry out raising frequency " the step of further comprise：
The compressor is controlled successively according to the continuous raising frequency of raising frequency speed of each raising frequency sub-stage.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the outdoor environment temperature with it is described
The preheating time of electric heater is inversely；And/or the acceleration of the outdoor environment temperature and the outer wind turbine at
Inverse relation；And/or the raising frequency speed of the outdoor environment temperature and the compressor is inversely；And/or
The raising frequency speed is the arbitrary value in 0.5Hz-30Hz.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, air-conditioning under heating mode
Control method includes：Obtain outdoor environment temperature；It is public according to the first fitting when environment temperature is less than or equal to temperature threshold
Formula calculates the preheating time of electric heater；According to the second fitting formula, the acceleration of outer wind turbine is calculated；It is fitted according to third public
Formula, raising frequency speed of the calculating compressor in the raising frequency stage；Electric heater is controlled according to preheating time to compressor preheating；Add in electricity
Hot device according to preheating time to compressor preheating while, before or after, control outer wind turbine according to acceleration raising speed to target
Rotating speed；Preferably, when the time that electric heater is opened reaches preheating time and outer wind turbine raising speed is to rotating speed of target, control compression
Machine carries out raising frequency according to raising frequency speed；Wherein, the first fitting formula is according to preheating time of outdoor environment temperature and electric heater
Correspondence determine that the second fitting formula is true according to the correspondence between outdoor environment temperature and the acceleration of outer wind turbine
Fixed, third fitting formula is determined according to the correspondence between outdoor environment temperature and the raising frequency speed of compressor.By advance
The first fitting formula, the second fitting formula and third fitting formula are determined, then according to the first fitting formula, the second fitting formula
With third fitting formula calculate separately the preheating time of electric heater, the acceleration of outer wind turbine and compressor the raising frequency stage liter
Frequency speed, and then it is that compressor is pre- to control electric heater when the environment temperature is less than or equal to temperature threshold and open in advance
Hot, outer wind turbine reaches preheating time and outer wind turbine according to acceleration raising speed to rotating speed of target, and in the time of electric heater unlatching
Compressor is controlled while raising speed to rotating speed of target carries out raising frequency according to raising frequency speed, the control of air-conditioning under heating mode of the invention
Method processed can improve the universality of air-conditioning and the running stability of compressor, improve the usage experience of user.
Specifically, first, the preheating time of outdoor environment temperature and electric heater inversely, winter outdoor environment
When temperature is relatively high, the lubricating oil viscosity consistency in compressor is relatively low, and lubricant effect is preferable, need not preheat at this time, compressor
Operation can normally be started, ensure the heating efficiency and operation stability of compressor.Winter outdoor environment temperature is relatively low
When, the lubricating oil viscosity consistency in compressor is higher, and lubricant effect is poor, calculates electric heater according to the first fitting formula at this time
Preheating time, electric heater according to the preheating time open and the lubricating oil in compressor is heated, fully to reduce
The viscosity of lubricating oil.The compressor start after the time that electric heater is opened reaches preheating time, to effectively improve pressure
The operation stability and heating effect of contracting machine.
Secondly, outdoor environment temperature respectively with the raising frequency speed of the acceleration of outer wind turbine and compressor inversely.
When outdoor environment temperature is relatively high, the sendible temperature of human body is also higher, thus it is from the outside into the room when user's control air-conditioning
The hope quickly heated is not strong, and the hope that user's control air-conditioning is quickly heated is not strong, at this time according to
The raising frequency of the acceleration and compressor of two fitting formulas and the calculated outer wind turbine of third fitting formula is relatively lower speed, exogenous wind
When machine is according to acceleration raising speed to rotating speed of target, compressor carries out raising frequency according to the raising frequency speed, can be in the system for ensureing air-conditioning
While thermal effect, improves the operation stability of outer wind turbine and compressor, reduces operation noise；It is opposite in outdoor environment temperature
When relatively low, the sendible temperature of human body is relatively low, thus it is from the outside into the room when user there is an urgent need to air-conditionings quickly to be heated,
At this time according to the raising frequency speed phase of the acceleration and compressor of the second fitting formula and the calculated outer wind turbine of third fitting formula
To higher, reach preheating time in the time that electric heater is opened and outer wind turbine is according to the quick raising speed of acceleration to rotating speed of target
When, compressor highly shortened heating according to the quick raising frequency of raising frequency speed so as to realize the quick heating of air-conditioning
Time brings good usage experience for user.Also, through inventor's repetition test, observation is analyzed and is compared, using this
The technical solution of invention carries out in the case of quickly heating, and can the raising frequency speed of air-conditioning be promoted number compared with the existing technology
Times, even decades of times, realize the jump frequency of air-conditioning.In addition, being turned by controlling outer wind turbine raising speed to target before compressor start
Speed, that is, it is that compressor and outdoor unit radiate to drive air flowing in advance with high rotating speed, makes just to possess when compressor start good
Good radiating condition, the situation that compressor heat dissipation effect is bad caused by avoiding outer wind turbine from starting together with compressor occur,
Further increase the heating effect after compressor start.
Description of the drawings
With reference to the accompanying drawings come describe the present invention air-conditioning control method.In attached drawing：
Fig. 1 be the present invention heating mode under air-conditioning control method flow diagram；
Fig. 2 be the present invention heating mode under air-conditioning control method in electric heater preheating time curve graph；
Fig. 3 be the present invention heating mode under air-conditioning control method China and foreign countries wind turbine acceleration plots；
Fig. 4 be the present invention heating mode under air-conditioning control method in compressor raising frequency speed curve diagram.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.Although for example,
The third fitting formula of the raising frequency speed of compressor is with v in specific implementation modey=kTao+ b is exemplifies, but this fitting
The form of formula is non-unalterable, and those skilled in the art can as needed make adjustment to it, to adapt to specifically answer
Use occasion.For example, third fitting formula can also be vy=kTao+b(0<k<1) etc..
Firstly the need of explanation, usual air conditioner all includes indoor unit and outdoor unit, and being provided with interior in indoor unit changes
Hot device, inner blower etc. are provided with compressor, electric expansion valve, outer wind turbine and outdoor heat exchanger, compressor and are configured in outdoor unit
Electric heater (such as heat tape or heating rod).The control system for controlling air-conditioning work is further typically provided in indoor unit
System, such as control system includes control module, judgment module, computing module and acquisition module.Wherein, control module, judge mould
The physical form of block, computing module and acquisition module can be independent of each other, naturally it is also possible to be integrated into a physics mould
Functional unit on block.If the control system of air-conditioning includes memory and processor, and it is stored in memory and can locating
The computer program run on reason device, the computer program can complete above-mentioned control module, judgment module and acquisition module
Function.The physics setting of the above air-conditioning is the conventional arrangement mode of air-conditioning in the prior art, should not be seen as pair
The limitation for the control method invented.
Referring to the flow diagram of the control method of air-conditioning under the heating mode that Fig. 1, Fig. 1 are the present invention.
As shown in Figure 1, in order to solve, universality is poor existing for the control method of existing air-conditioning, user experience is bad asks
Topic, the present invention provides a kind of control method of air-conditioning under heating mode, which mainly includes the following steps that：
S100, outdoor environment temperature is obtained；Such as after air-conditioning is switched on and selects heating mode, by being arranged in outdoor unit
The mode of temperature sensor obtains outdoor environment temperature respectively；
S200, when outdoor environment temperature is less than or equal to temperature threshold, according to the first fitting formula, calculate electric heater
Preheating time, if temperature threshold be 0 DEG C, the first fitting formula according to the preheating time of outdoor environment temperature and electric heater it
Between correspondence determine that and the preheating time of outdoor environment temperature and electric heater is inversely, i.e., in outdoor environment
When temperature is less than or equal to 0 DEG C, outdoor environment temperature is lower, and the preheating time of electric heater is longer, and the control system of air-conditioning is pressed
According to the first fitting formula calculate electric heater warm-up phase preheating time；
S300, according to the second fitting formula, the acceleration of outer wind turbine is calculated, if the second fitting formula is according to outdoor environment temperature
It spends and is determined the correspondence between the acceleration of outer wind turbine, and the acceleration of outdoor environment temperature and outer wind turbine is inversely proportional pass
System, i.e., outdoor environment temperature is lower, and the acceleration of outer wind turbine is bigger, and the control system of air-conditioning is outer according to the calculating of the second fitting formula
The acceleration of wind turbine ramp-up stage；
S400, according to third fitting formula, raising frequency speed of the compressor in the raising frequency stage is calculated, such as third fitting formula root
It is determined according to the correspondence between outdoor environment temperature and the raising frequency speed of compressor, and outdoor environment temperature and compressor
Inversely, i.e., outdoor environment temperature is lower for raising frequency speed, and the raising frequency speed of compressor is faster, the control system of air-conditioning according to
Third fitting formula calculates the raising frequency speed in compressor raising frequency stage；
S500, electric heater is controlled according to preheating time to compressor preheating, such as in the preheating for calculating electric heater
Between after (such as 5min), the control system control electric heater of air-conditioning according to prior to compressor start to compressor preheating 5min；
S600, electric heater according to preheating time to compressor preheating while, before or after, control outer wind turbine and press
According to acceleration raising speed to rotating speed of target, it is preferable that rotating speed of target is the maximum (top) speed of outer wind turbine, starts to start fortune in electric heater
While row, the control system of air-conditioning controls outer wind turbine according to acceleration raising speed to maximum (top) speed；
S700, when electric heater and/or outer wind turbine reach setting condition, control compressor risen according to raising frequency speed
Frequently, it is preferable that when reaching the rotating speed of preheating time and outer wind turbine in the time that electric heater is opened and reaching maximum (top) speed, air-conditioning
Control system controls compressor according to the continuous raising frequency of raising frequency speed or continuous raising frequency stage by stage；
S800, judge whether the frequency of compressor reaches stable working frequency, as the control system of air-conditioning obtains pressure in real time
The current frequency of contracting machine, and current frequency is compared with stable working frequency；
S900, when the frequency of compressor reaches stable working frequency, make compressor stop raising frequency, such as reached in current frequency
When to stable working frequency, control system control compressor maintains stable working frequency and works on.
By predefining the first fitting formula, the second fitting formula and the when outdoor environment temperature is less than temperature threshold
Then three fitting formulas calculate separately electric heater according to the first fitting formula, the second fitting formula and third fitting formula
The raising frequency speed of preheating time, the acceleration of outer wind turbine and compressor in the raising frequency stage, and then electric heater is controlled according to preheating
Time reaches pre- according to acceleration raising speed to compressor preheating, outer wind turbine to rotating speed of target, and in the time of electric heater unlatching
Hot time and outer wind turbine raising speed carry out raising frequency, heating of the invention to controlling compressor while rotating speed of target according to raising frequency speed
The control method of air-conditioning can improve the universality of air-conditioning and the running stability of compressor under pattern, and that improves user uses body
It tests.In other words, the present invention solves existing for the control method of existing air-conditioning that universality is poor, user experience is bad asks
Topic, improves the comfort of air-conditioning, improves user experience.
Referring to Fig. 2, Fig. 3 and Fig. 4, the principle that the present invention is further explained.Wherein, Fig. 2 is the heating mould of the present invention
Under formula in the control method of air-conditioning electric heater preheating time curve graph, Fig. 3 be the present invention heating mode under air-conditioning control
The acceleration plots of method China and foreign countries processed wind turbine；Fig. 4 is compressor in the control method of air-conditioning under the heating mode of the present invention
Raising frequency speed curve diagram.
As shown in Fig. 2, in a kind of possible embodiment, outdoor environment temperature and electric heater in the first fitting formula
Preheating time inversely.For example, the first fitting formula of preheating time can be：td=k " Tao+ b ", wherein
tdIndicate the preheating time (min) of electric heater, TaoIndicate that outdoor environment temperature (DEG C), k " are proportionality coefficient, b " is constant.The
The proportionality coefficient k " and constant b " of one fitting formula can be determined as follows：Assuming that outdoor environment temperature TaoValue model
It is -20-0 DEG C to enclose, and enables T as a result,aoAt=0 DEG C, preheating time tdmin=1min, TaoAt=- 20 DEG C, preheating time tdmax=
5min is acquired, k "=- 0.2, b "=1, therefore td=-0.2Tao+1.It is after calculating the first fitting formula, the first fitting is public
Formula is preset in the control system of air-conditioning, and so, after user selects heating mode every time, control system just can be got
Outdoor environment temperature and preheating time of electric heater is determined when outdoor environment temperature is less than temperature threshold, and according to this
Preheating time controls electric heater and is run prior to compressor start.
As shown in figure 3, in a kind of possible embodiment, outdoor environment temperature and outer wind turbine in the second fitting formula
Acceleration is inversely, it is preferable that rotating speed of target is the maximum (top) speed of outer wind turbine.For example, the second fitting of acceleration
Formula can be：aw=k ' Tao+ b ', wherein awIndicate the acceleration (r/s of outer wind turbine2), TaoIndicate outdoor environment temperature
(DEG C), k ' are proportionality coefficient, and b ' is constant.The proportionality coefficient k ' and constant b ' of second fitting formula can as follows really
It is fixed：Assuming that outdoor environment temperature TaoValue range be -5-20 DEG C, enable T as a result,aoAt=20 DEG C, acceleration awmin=10r/
s2, TaoAt=- 5 DEG C, acceleration awmax=30r/s2, acquire, k '=- 0.8, b '=26, therefore aw=-0.8Tao+26.It is calculating
After going out the second fitting formula, the second fitting formula is preset in the control system of air-conditioning, so, when user selects every time
After heating mode, control system just can determine the acceleration of outer wind turbine according to the outdoor environment temperature got, and add according to this
The outer wind turbine raising speed work of speed control.
As shown in figure 4, in a kind of possible embodiment, there are one compressors the raising frequency stage, and the raising frequency rank
The raising frequency speed of outdoor environment temperature and compressor is inversely in the third fitting formula of section, it is preferable that raising frequency speed is
Arbitrary value in 0.5Hz-30Hz.For example, the third fitting formula of raising frequency speed can be：vy=kTao+ b, wherein vy
Indicate the raising frequency speed (Hz/s) of compressor, TaoIndicate outdoor environment temperature (DEG C), k is proportionality coefficient, and b is constant.Third is quasi-
The proportionality coefficient k and constant b for closing formula can be determined as follows：Assuming that outdoor environment temperature TaoValue range be-
5-20 DEG C, T is enabled as a result,aoAt=20 DEG C, raising frequency speed vymin=0.5Hz/s, TaoAt=- 5 DEG C, raising frequency speed vymax=30Hz/
S is acquired, k=-1.18, b=24.1, therefore vy=-1.18Tao+24.1.After calculating third fitting formula, third is intended
It closes formula to be preset in the control system of air-conditioning, so, after user selects heating mode every time, control system just can root
The raising frequency speed of compressor is determined according to the outdoor environment temperature got, and according to the raising frequency speed control compressor raising frequency work
Make.
It further, can also be by outdoor environment temperature TaoValue range be divided into one or more temperature ranges,
Outdoor environment temperature TaoWhen falling into one of temperature range, corresponding raising frequency speed is calculated using third fitting formula.For example,
By outdoor environment temperature TaoValue range be divided into three sections (- ∞, -5), [- 5,20] and (20 ,+∞), getting
Outdoor environment temperature TaoWhen in [- 5,20] this section, using third fitting formula vy=kTao+ b calculates raising frequency speed,
As outdoor environment temperature TaoWhen in the section (- ∞, -5) or (20 ,+∞), then outdoor environment temperature is equal to -5 and 20 respectively
Raising frequency speed of the raising frequency speed as compressor at this temperature when (i.e. the minimum value and maximum value of temperature range [- 5,20]).
Thus, the raising frequency speed of compressor can be prevented excessive or the too small damage caused by compressor with simplify control program.
Referring to table 1, in a kind of possible embodiment, stable working frequency can according to outdoor environment temperature with
The correspondence of stable working frequency determines.
The 1 stable working frequency table of comparisons of table
Wherein, TaoRepresent outdoor environment temperature, fwRepresent the stable working frequency of compressor, feRepresent the specified of compressor
Working frequency.
Referring to table 2, in a kind of possible embodiment, preferably to improve the experience that user uses air-conditioning, carry
Heating effect is risen, the job stability and service life of compressor are improved, outer wind turbine is controlled and turns according to acceleration raising speed to target
After the step of speed, control method further includes：
According to the correspondence between outdoor environment temperature and the rotating speed of outer wind turbine, the rotating speed of outer wind turbine is adjusted.
2 outer rotation speed of fan control table (1) of table
| Tao(℃) | ≤10 | 10-16 | ≥16 |
| rw(r/min) | 1200 | 800 | 400 |
Wherein, TaoRepresent outdoor environment temperature, rwRepresent the rotating speed of outer wind turbine.
Referring to table 3, in a kind of possible embodiment, preferably to improve the experience that user uses air-conditioning, carry
Heating effect is risen, improves the job stability and service life of compressor, control method of the invention can also include following step
Suddenly：
According to the correspondence between outdoor environment temperature and the aperture of electric expansion valve, the aperture of expansion valve is adjusted.
3 electronic expansion valve opening control table of table
Wherein, TaoOutdoor environment temperature is represented, f represents the working frequency of compressor, and B represents the aperture of electric expansion valve.
By above-mentioned control mode, the advantages of control method of air-conditioning of the invention, is：By in outdoor environment temperature
The first fitting formula, the second fitting formula and third fitting formula are predefined when less than temperature threshold, then according to according to the
One fitting formula calculates electric heater in the preheating time of warm-up phase, and outer wind turbine is calculated in raising speed rank according to the second fitting formula
The acceleration of section calculates raising frequency speed of the compressor in the raising frequency stage according to third fitting formula, so control outer wind turbine according to
Preheating time prior to compressor operating, outer wind turbine according to acceleration raising speed to maximum (top) speed, and electric heater open time
Reach preheating time and outer wind turbine raising speed to control compressor when maximum (top) speed carries out raising frequency, system of the invention according to raising frequency speed
The control method of air-conditioning can improve the universality of air-conditioning and the running stability of compressor under heat pattern, ensure the heating of air-conditioning
Efficiency improves the usage experience of user.
Specifically, first, the preheating time of outdoor environment temperature and electric heater inversely, winter outdoor environment
When temperature is relatively high, the lubricating oil viscosity consistency in compressor is relatively low, and lubricant effect is preferable, need not preheat at this time, compressor
It directly can normally start, ensure the quick heating efficiency of compressor.When winter outdoor environment temperature is relatively low, compressor
In lubricating oil viscosity consistency it is higher, lubricant effect is poor, at this time according to the first fitting formula calculate electric heater preheating time,
And outdoor environment temperature is lower, and preheating time is longer, and electric heater is opened according to the preheating time and to the lubrication in compressor
Oil is heated, fully to reduce the viscosity of lubricating oil.The compressor after the time that electric heater is opened reaches preheating time
Start, to effectively improve the operation stability and heating effect of compressor.
Secondly, outdoor environment temperature respectively with the raising frequency speed of the acceleration of outer wind turbine and compressor inversely.
When outdoor environment temperature is relatively high, the sendible temperature of human body is also higher, thus it is from the outside into the room when user's control air-conditioning
The hope quickly heated is not strong, at this time according to the second fitting formula and the calculated outer wind turbine of third fitting formula
The raising frequency of acceleration and compressor is relatively lower speed, when outer wind turbine is according to acceleration raising speed to maximum (top) speed, compressor according to
The raising frequency speed carries out raising frequency, and the operation that while ensureing the heating effect of air-conditioning, can improve expansion valve and compressor is steady
Qualitative, reduction operation noise；When outdoor environment temperature is relatively low, the sendible temperature of human body is relatively low, thus from outdoor into
There is an urgent need to air-conditionings quickly to be heated by user when entering interior, be calculated at this time according to the second fitting formula and third fitting formula
Outer wind turbine acceleration and compressor raising frequency speed it is relatively high, electric heater open time reach preheating time and
When outer wind turbine is according to acceleration raising speed to maximum (top) speed, compressor is according to the quick raising frequency of raising frequency speed, so as to realize sky
The quick heating adjusted, highly shortened the time of heating, and good usage experience is brought for user.
Sky is driven with high rotating speed to rotating speed of target, that is, in advance by controlling outer wind turbine raising speed before compressor start
Flow of air is that compressor and outdoor unit radiate, and makes just to possess good radiating condition when compressor start, avoids outer wind turbine with pressure
The situation that compressor heat dissipation effect is bad caused by contracting machine starts together occurs, and further increases the heating after compressor start
Effect.The stable working frequency and electronics for determining compressor are corresponded to by the parameters such as outdoor environment temperature and compressor operating frequency
The aperture of expansion valve, it is outer by being adjusted according to outdoor environment temperature and compressor operating frequency after outer wind turbine raising speed to maximum (top) speed
The rotating speed of wind turbine, control method can also provide for compressor and match in compressor operating under heating mode of the invention
Running environment, further increase the working efficiency and job stability of compressor, improve the operational effect of air-conditioning.
Further, through inventor's repetition test, observation is analyzed and is compared and obtains, the oil spitting amount to compressor, electricity are passed through
The aperture of sub- expansion valve, the rotating speed of outer wind turbine and oil-liquid separator etc. are accurately controlled, and are ensureing compressor operating stabilization
Under the premise of, the raising frequency speed of compressor can be controlled steadily in 0.5-30Hz/s, and especially maximum raising frequency speed can reach
To surprising 30Hz/s.And those skilled in the art understand that, the raising frequency speed of compressor is mostly in the prior art
0.5-1Hz/s, few compressors can reach the raising frequency speed of the present invention when keeping steady operation.Thus, it is of the invention
The raising frequency speed of air-conditioning can be promoted several times, even decades of times by air-conditioning compared with the existing technology when quickly being heated, from
And realize the jump frequency of air-conditioning, significantly improve the usage experience of user.
Certainly, the above embodiment is used only for the principle illustrated the present invention, it is not intended that in the limitation present invention's
Protection domain, under conditions of without departing from the principle of the invention, those skilled in the art can also do arbitrary form to above-mentioned parameter
Adjustment, as long as the technical solution after adjustment can improve the condition of raising frequency speed under the premise of ensureing compressor normal oil return
.For example, the parameter of the first fitting formula, the form of the second fitting formula and third fitting formula and air-conditioning can be based on not
Same application scenarios are adjusted, if third fitting formula can also be vy=kTao+b(0<k<1) etc..For another example, temperature range
Number and endpoint value are not unalterable, and those skilled in the art can be adjusted based on practical application scene, such as incite somebody to action [- 5,
20] section is further subdivided into multiple sections, and each section corresponds to different fitting formulas etc..For another example, temperature threshold and
Preheating time can also be adjusted according to the difference of concrete application scene.For another example, rotating speed of target can also be its of outer wind turbine
Opening value near his rotating speed or maximum (top) speed, accordingly when rotating speed of target is less than maximum (top) speed, compressor can be in exogenous wind
Machine starts raising frequency after reaching rotating speed of target, and when rotating speed of target value is more than maximum (top) speed, compressor can reach in outer wind turbine
Start raising frequency before rotating speed of target.For another example, the aperture of electric expansion valve can also be according to outdoor environment temperature and/or compressor
Correspondence between frequency and the aperture of electric expansion valve is adjusted, and outer wind turbine can also be according to room after reaching maximum (top) speed
Correspondence between external environment temperature and the frequency and the rotating speed of outer wind turbine of compressor is adjusted (such as the following table 4).
4 outer rotation speed of fan control table (2) of table
Wherein, TaoOutdoor environment temperature is represented, f represents the working frequency of compressor, rwRepresent the rotating speed of outer wind turbine.
In addition, further to promote the heating effect of air-conditioning, the raising frequency stage of compressor can also further be segmented
For multiple raising frequency sub-stages, accordingly, each raising frequency sub-stage includes that a third is fitted subformula, and third is fitted subformula
Between can be coefficient difference, can also be the difference of formula.It is risen for example, the raising frequency stage of compressor may include three
Frequency sub-stage, each raising frequency sub-stage corresponding third fitting subformula is respectively vy1=k1Tao+b1、vy2=k2Tao+b2、vy3=
k3Tao+b3.After user selects heating mode, control system is calculated according to each third fitting subformula respectively accordingly to be compressed
Then the raising frequency speed of each raising frequency sub-stage of machine controls compressor and is risen successively according to the raising frequency speed of each raising frequency sub-stage
Frequently.The relationship for such as calculating the raising frequency speed of three raising frequency sub-stages is vy1>vy2>vy3(certainly, which may be other
Such as vy1<vy2<vy3Deng), then controlling compressor raising frequency in such a way that raising frequency speed is gradually reduced, realize that air-conditioning quickly heats
While, ensure that compressor oil return is normal, is gradually reduced process noise, prolongs the service life.
With reference to Fig. 1 to Fig. 4, brief Jie is done to a kind of workflow of the air-conditioning of the control method of the application present invention
It continues.The course of work of air-conditioning can be：
Air-conditioning booting heat → detect outdoor environment temperature be -20 DEG C → according to the first fitting formula calculate electric heater
Preheating time td, the acceleration a of outer wind turbine is calculated according to the second fitting formulaw, compressor is calculated according to third fitting formula
Raising frequency speed vy, while according to table 1 and table 3, determining stable working frequency fwIt is first with aperture B → electric heater of electric expansion valve
In compressor start, outer wind turbine is according to acceleration awQuick raising speed, expansion valve are adjusted to the B of target aperture → electric heater and are opened
Time reach preheating time tdAnd outer wind turbine raising speed to maximum (top) speed when, compressor is according to raising frequency speed vyCarry out quick raising frequency
→ compressor reaches stable working frequency f after a period of timewAfter maintain the frequency run, the aperture B of electric expansion valve is pressed
It is adjusted according to table 3, the rotating speed r of outer wind turbinewIt is adjusted according to table 4.
Finally, it should be noted that although the above embodiment and be not depicted in environment temperature more than temperature threshold when control
Mode processed, it will be appreciated by those skilled in the art that when environment temperature is more than temperature threshold, it can be directly according to the
Three fitting formulas calculate the raising frequency speed of compressor and directly according to the raising frequency speed control compressor raising frequencies.Certainly, in outdoor
Environment temperature can continue to opening electric heater and implement auxiliary heating to compressor when being more than temperature threshold, such as according to third
After fitting formula calculates the raising frequency speed of compressor, control electric heater starts together with compressor.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (10)
1. the control method of air-conditioning under a kind of heating mode, the air-conditioning includes compressor, expansion valve and outer wind turbine, the compression
Machine is configured with electric heater, which is characterized in that the control method includes：
Obtain outdoor environment temperature；
When the outdoor environment temperature is less than or equal to temperature threshold, according to the first fitting formula, the electric heater is calculated
Preheating time；
According to the second fitting formula, the acceleration of the outer wind turbine is calculated；
According to third fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
The electric heater is controlled according to the preheating time to the compressor preheating；
The electric heater according to the preheating time to the compressor preheating while, before or after, described in control
Outer wind turbine is according to the acceleration raising speed to rotating speed of target；
When the electric heater and/or the outer wind turbine reach setting condition, the compressor is controlled according to raising frequency speed
Degree carries out raising frequency；
Wherein, first fitting formula is closed according to the outdoor environment temperature is corresponding with the preheating time of the electric heater
System determines that second fitting formula is according to the correspondence between the outdoor environment temperature and the acceleration of the outer wind turbine
It determines, the third fitting formula is according to the correspondence between the outdoor environment temperature and the raising frequency speed of the compressor
It determines.
2. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that the control method is also wrapped
It includes：
Judge whether the frequency of the compressor reaches stable working frequency；
When the frequency of the compressor reaches the stable working frequency, the compressor is made to stop raising frequency；
Wherein, the stable working frequency is determined according to the correspondence of outdoor environment temperature and stable working frequency.
3. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that " obtain outdoor environment temperature
After the step of degree ", the control method further includes：
Judge whether the outdoor environment temperature is in preset temperature range；
When the outdoor environment temperature is in the temperature range, according to the third fitting formula, the compressor is calculated
In the raising frequency speed in raising frequency stage.
4. the control method of air-conditioning under heating mode according to claim 3, which is characterized in that the control method is also wrapped
It includes：
When the outdoor environment temperature is less than the minimum value of the temperature range, according to the third fitting formula, according to institute
State temperature range minimum value calculate the compressor the raising frequency stage raising frequency speed；Or
When the outdoor environment temperature is more than the maximum value of the temperature range, according to the third fitting formula, according to institute
State compressor described in the maximum value calculation of temperature range the raising frequency stage raising frequency speed.
5. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that the rotating speed of target is institute
The maximum (top) speed of outer wind turbine is stated, " when the electric heater and/or the outer wind turbine reach setting condition, controls the compression
Machine according to the raising frequency speed carry out raising frequency " the step of further comprise：
Reach described when the time that the electric heater is opened reaching the preheating time, and/or in the outer wind turbine
When maximum (top) speed, controls the compressor and carry out raising frequency according to the raising frequency speed.
6. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that " controlling the exogenous wind
Machine is according to the acceleration raising speed to rotating speed of target " the step of after, the control method further includes：
According to the correspondence between outdoor environment temperature and/or the frequency and the rotating speed of the outer wind turbine of the compressor, adjust
The rotating speed of the whole outer wind turbine.
7. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that the control method is also wrapped
It includes：
According to the correspondence between outdoor environment temperature and/or the frequency and the aperture of the expansion valve of the compressor, adjust
The aperture of the whole expansion valve.
8. the control method of air-conditioning under heating mode according to any one of claim 1 to 7, which is characterized in that described
The raising frequency stage includes multiple raising frequency sub-stages, and the third fitting formula includes accordingly that multiple thirds are fitted subformula, " according to
Third fitting formula, calculate the compressor the raising frequency stage raising frequency speed " further comprise：
It is fitted subformula according to each third, calculates separately the raising frequency speed of each raising frequency sub-stage of compressor.
9. the control method of air-conditioning under heating mode according to claim 8, which is characterized in that " control the compressor
According to the raising frequency speed carry out raising frequency " the step of further comprise：
The compressor is controlled successively according to the continuous raising frequency of raising frequency speed of each raising frequency sub-stage.
10. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that the outdoor environment temperature
The preheating time of degree and the electric heater is inversely；And/or the outdoor environment temperature and the outer wind turbine
Acceleration is inversely；And/or the raising frequency speed of the outdoor environment temperature and the compressor is inversely；And
And/or raising frequency speed described in person is the arbitrary value in 0.5Hz-30Hz.
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| CN113108423A (en) * | 2021-03-29 | 2021-07-13 | 广东科学技术职业学院 | Air conditioner starting control method |
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