CN107300241A - Air conditioner and its control method with purification function - Google Patents
Air conditioner and its control method with purification function Download PDFInfo
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- CN107300241A CN107300241A CN201710445615.9A CN201710445615A CN107300241A CN 107300241 A CN107300241 A CN 107300241A CN 201710445615 A CN201710445615 A CN 201710445615A CN 107300241 A CN107300241 A CN 107300241A
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- purification
- stepper motor
- step number
- purification assembly
- air conditioner
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a kind of control method of the air conditioner with purification function, drive device and purification assembly are provided with the indoor set of air conditioner, drive device includes stepper motor and limit switch, limit switch is used to be triggered after purification assembly reaches purification position, to generate signal in place, and the control method includes：Obtain the stroke step number parameter of the stepper motor pre-set；If the parameter is effectively, when receiving air conditioner and exiting the trigger signal of purification pattern, Driving Stepping Motor is operated according to stroke step number parameter, so that drive device drives purification assembly to be moved to initial position；If stroke step number parameter fails, step number of the purification assembly in initial position stepper motor into purification position moving process is recorded again, and the stroke step number parameter of stepper motor is modified.The solution of the present invention can ensure that purification assembly can accurately be moved to the position specified by stepper motor, it is to avoid the problem of appearance is mobile not in place or crosses step.
Description
Technical field
The present invention relates to the present invention relates to air-conditioning technical field, the more particularly to air conditioner with purification function and its control
Method processed.
Background technology
Air regulator (Air Conditioner, abbreviation air conditioner) is for directly being carried to the space or region of closing
For the electrical equipment of treated air, in the prior art, air conditioner is generally used for that the temperature of working environment is adjusted.With
Requirement more and more higher of the people to environmental requirement comfort level, the function of air conditioner is also increasingly enriched.
Requirement more and more higher due to people to air cleaning degree, occurs in that some set purification in air conditioner at present
The scheme of device, it is purified to the partial air for entering air conditioner, but these air conditioners with purification function are present
Problems with：Due to being only capable of that partial air is purified, clean-up effect is poor；Further, since purifier works long hours,
Even if in the case that air is in very cleaning, remaining in that work so that purifier service life is reduced, and is also easy to
Bring secondary pollution.
The content of the invention
One kind to be provided it is an object of the present invention to providing one kind to overcome above mentioned problem or solve at least in part
The air conditioner with purification function and its control method of above mentioned problem.
The present invention's further objective is that will allow the purification function start and stop on demand of air conditioner, it is to avoid purification work(
It can work all the time.
Another of the present invention is further objective is that improve the precision of purification assembly movement, it is to avoid operation occur not in place
Situation.
The invention provides a kind of control method of the air conditioner with purification function, wherein set in the indoor set of air conditioner
Drive device and purification assembly are equipped with, wherein purification assembly is driven by drive device and leaving the initial of the air inlet of indoor set
Move, and the air-flow for the machine of getting in is carried out only between position and the purification position for covering air inlet when in purification position
Change, drive device includes stepper motor and limit switch, and stepper motor is used to provide the power for moving purification assembly, spacing
Switch for being triggered after purification assembly reaches purification position, to generate signal in place, and control method includes：Obtain pre-
The stroke step number parameter of the stepper motor first set；Detect whether the stroke step number parameter of stepper motor is in effective status；If
The stroke step number parameter of stepper motor effectively, when receiving air conditioner and exiting the trigger signal of purification pattern, driving stepping electricity
Machine is operated according to stroke step number parameter, so that drive device drives purification assembly to be moved to initial position；If the row of stepper motor
Journey step number parameter is failed, and purification assembly is recorded again in initial position to the step number for purifying stepper motor in the moving process of position,
And the stroke step number parameter of stepper motor is modified using the traveling step number recorded again.
Alternatively, the trigger signal that air conditioner enters purification pattern is obtained, Driving Stepping Motor makes drive device to purify
Component is moved to purification position, and after signal in place is received, Driving Stepping Motor is shut down and records purification assembly and is moved through
The stroke step number of stepper motor in journey.
Alternatively, the step of whether the stroke step number parameter of detection stepper motor is in effective status includes：Stroke is walked
Number parameter and the stroke step number of stepper motor in record purification assembly moving process are compared, and are less than in both differences default
During threshold value, determine that stroke step number parameter is in effective status；When both differences are more than or equal to predetermined threshold value, stroke is determined
Step number parameter fails, and the step of being modified to the stroke step number parameter of stepper motor includes：Use purification assembly moving process
The stroke step number parameter of the stroke step number amendment stepper motor of middle stepper motor.
Alternatively, also include after air conditioner electrifying startup：Ensure that purification assembly is located at after initial position, drive stepping
Motor is operated, and makes drive device drive purification assembly to complete once to be then back to initial position from initial position to purification position
Purify process of self-test.
Alternatively, it is ensured that the step of purification assembly is located at initial position includes：Driving Stepping Motor to purification position side
To mobile until receiving after signal in place, Driving Stepping Motor is walked to the direction of initial position until crossing.
Alternatively, the step of whether the stroke step number parameter of detection stepper motor is in effective status also includes：Obtain step
Stepper motor is operated according to stroke step number parameter makes purification assembly complete whether mobile number of times exceedes setting number of times, if exceeding, really
Determine the failure of stroke step number parameter.
Alternatively, Driving Stepping Motor also includes after shutting down：According to default feedback control scheme pair under purification pattern
The refrigeration system of air conditioner carries out feedback control.
Alternatively, indoor set is wall indoor unit, and initial position is that on rear side of the front panel of indoor set, drive device is also wrapped
Rack and pinion drive mechanism is included, the power of motor is transferred to purification assembly, limit switch is arranged on rack.
According to another aspect of the present invention, a kind of air conditioner with purification function is additionally provided, it includes：It is indoor
Machine, drive device and purification assembly are provided with it, and wherein purification assembly is driven by drive device and leaving entering for indoor set
Moved between the initial position in air port and the purification position for covering air inlet, and to the machine of getting in when in purification position
Air-flow is purified；Drive device includes stepper motor and limit switch, and stepper motor is used to provide purification assembly movement
Power, limit switch is used to be triggered after purification assembly reaches purification position, to generate signal in place；And air conditioner is also wrapped
Include：Electric machine controller, is configured to：Obtain the stroke step number parameter of the stepper motor pre-set；Detect the stroke of stepper motor
Whether step number parameter is in effective status；If the stroke step number parameter of stepper motor is effectively, purification is exited receiving air conditioner
During the trigger signal of pattern, Driving Stepping Motor is operated according to stroke step number parameter, so that drive device drives purification assembly to move
Move to initial position；If the stroke step number parameter failure of stepper motor, purification assembly is recorded again in initial position to purifying position
The step number of stepper motor in moving process is put, and the stroke step number parameter of stepper motor is entered using the traveling step number recorded again
Row amendment.
Alternatively, indoor set is wall indoor unit, and initial position is that on rear side of the front panel of indoor set, drive device is also wrapped
Rack and pinion drive mechanism is included, the power of motor is transferred to purification assembly, limit switch is arranged on rack.
The air conditioner with purification function and its control method of the present invention, sets in air conditioner and is connected with drive device
Purification assembly, purification assembly by drive device drive indoors inside machine it is mobile, purification assembly is by driving under purification pattern
Device drives the purification position for being moved to air inlet, so as to be purified to the air-flow for the machine of getting in, lifts indoor environment
Air quality；Under non-purification pattern, purification assembly can also remove air inlet by the driving of drive device, to appear air intake
Mouthful, so that air-flow is directly entered indoor set without purification assembly.So as to open purification function, extension as needed
The service life of purification assembly.
Further, set spacing in of the invention air conditioner and its control method with purification function, drive device
Switch, the state that purification position is reached to purification assembly is detected, so that output indication purification assembly reaches purification position
Signal in place, in the case of the stepper motor stroke step number parameter failure of drive device, using purification assembly in initial position
Into purification position moving process, the step number of stepper motor is modified to the parameter, it is ensured that stepper motor can accurately will be only
Change component and be moved to the position specified, it is to avoid occur mobile not in place or the problem of cross step, it is ensured that purification function it is normal
Realize, and extra noise will not be brought.
Further, of the invention air conditioner and its control method with purification function, can be in several ways
Stepper motor stroke step number parameter is verified, the failure conditions of stepper motor stroke step number parameter are found in time and are repaiied
Just.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the functional block diagram of the air conditioner according to an embodiment of the invention with purification function；
Fig. 2 is the schematic diagram of the control method of the air conditioner according to an embodiment of the invention with purification function；
Fig. 3 is that the purification assembly of the air conditioner according to an embodiment of the invention with purification function is in initial position
When indoor set internal structure schematic diagram；
Fig. 4 is that the purification assembly of the air conditioner according to an embodiment of the invention with purification function is in purification position
When indoor set internal structure schematic diagram；
Fig. 5 is that the purification assembly of the air conditioner according to an embodiment of the invention with purification function is in initial position
When sectional view；
Fig. 6 is the purification assembly and drive device of the air conditioner according to an embodiment of the invention with purification function
Decomposing schematic representation；
Fig. 7 is the blast signal of the drive device of the air conditioner according to an embodiment of the invention with purification function
Figure；And
Fig. 8 is the purification assembly motion track signal of the air conditioner according to an embodiment of the invention with purification function
Figure.
Embodiment
The present embodiment provide firstly a kind of air conditioner with purification function, and the purification function of the air conditioner can basis
Need to be opened and closed.Be provided with drive device and purification assembly in the indoor set of air conditioner, wherein purification assembly by
Drive device drives the purification position of the air inlet of machine indoors (can be the position of completely obscured air inlet on the inside of air-inlet grille
Put) moved between the initial position of removal air inlet, when being not turned on purification function, purification assembly, which is located at, removes air inlet
Initial position；After purification function is opened, purification assembly is driven by drive device, is moved to the purification of the air inlet of indoor set
Position, is purified to the air-flow for the machine of getting in.
General in drive device to set stepper motor, the power for providing purification assembly movement, stepper motor typically leads to
Setting stroke step number is crossed as control parameter, namely pre-sets the process that purification assembly is moved to initial position from purification position
The step number of operating needed for middle stepper motor, in a moving process, recognizes after the step number that stepper motor completion is pre-set
Moved in place for purification assembly, but be due to that air conditioner long-play or lubricating oil reduction can cause transmission mechanism friction resistance
Power increase, engenders that purification assembly movement situation not in place or purification assembly move into place and (cross and walk) in advance, Qian Zhehui
Clean-up effect is caused to decline, the latter can be because walk the usage experience of the noise effect user caused excessively.For above-mentioned phenomenon, this reality
The air conditioner with purification function of example is applied, there is provided limit switch, purification position is reached using limit switch detection purification assembly
The state put, the stroke step number parameter for mutually tackling stepper motor is modified.
Fig. 1 is the functional block diagram of the air conditioner 10 according to an embodiment of the invention with purification function, should be with net
Changing the air conditioner 10 of function at least includes：Indoor set 100, electric machine controller 180, driving dress is wherein provided with indoor set 100
Put 140 (including stepper motor 141 and limit switches 149), purification assembly 150.Wherein purification assembly 150 is by drive device
140 drives are moved between the purification position of the air inlet of masking indoor set 100 and the initial position for removing air inlet, in purification
The air-flow of the machine of getting in 100 is purified when component 150 is in purification position.Purification assembly 150 can be following purification
The combination of module or cleaning module：Electrostatic Absorption module, plasma cleaning module, anion generation module, ceramics activated carbon
Module, pleated expand filtering surface module etc..
The air conditioner 10 of the present embodiment can realize cooling and warming using kind of refrigeration cycle is compressed, and compression kind of refrigeration cycle is utilized
Refrigerant realizes the transmission of heat in the compression phase transformation circulation of compressor, condenser, evaporator, throttling arrangement.In air conditioner,
Refrigeration system can also set reversal valve, change the flow direction of refrigerant, make indoor set heat exchanger alternately as evaporator or condensation
Device, realizes refrigeration or heat-production functions.It is its work known by those skilled in the art due to compressing kind of refrigeration cycle in air conditioner
Principle and construction are not repeated again.In the present embodiment, compressor can use frequency-changeable compressor, and throttling arrangement can be used
The adjustable electric expansion valve of aperture.
Stepper motor 141 is used to provide the power for moving purification assembly 150, and limit switch 149 is used to generate purification group
Part 150 reaches the signal in place of purification position.Limit switch 149 can be arranged on the transmission mechanism of drive device 140, transported
Dynamic purification assembly 150 in place is triggered, and in other alternative embodiments, limit switch 149 can also be arranged at and air conditioner
Case at the top of with the inconsistent position of purification assembly 150 of purification position.Limit switch 149 can be connect using various
Switch, Hall switch etc. is touched to realize.
Because the inner space of air conditioner room unit 100 is narrow and small and cable Layout Problem, it is unfavorable for arrangement multiple spacing
Switch, therefore the limit switch for indicating purification position is only arranged in the present embodiment, then utilize stroke step number parameter pair
The process that purification assembly 150 returns to initial position is controlled.
The control process of electric machine controller 180 can include：Obtain the stroke step number ginseng of the stepper motor 141 pre-set
Number；Detect whether the stroke step number parameter of stepper motor 141 is in effective status；If the stroke step number parameter of stepper motor 141
Effectively, when receiving air conditioner 10 and exiting the trigger signal of purification pattern, Driving Stepping Motor 141 is according to stroke step number parameter
Operating, so that drive device 140 drives purification assembly 150 to be moved to initial position；If the stroke step number parameter of stepper motor 141
Failure, records purification assembly in initial position to the step number for purifying stepper motor in the moving process of position again, and using again
The traveling step number of record is modified to the stroke step number parameter of stepper motor 141.
After electric machine controller 180 can also enter the trigger signal of purification pattern obtaining air conditioner 10, driving stepping electricity
Machine 141 makes drive device 140 that purification assembly 150 is moved into purification position, and after signal in place is received, driving stepping electricity
Machine 141 is shut down and records the stroke step number of stepper motor 141 in the moving process of purification assembly 150.
In further embodiments, following purification process of self-test is performed after the electrifying startup of air conditioner 10, it is ensured that purification
Component 150 is located at after initial position, and Driving Stepping Motor 141 is operated, and makes drive device 140 drive purification assembly 150 to complete one
The secondary purification process of self-test that initial position is then back to from initial position to purification position.So as to improve the fortune of drive device 140
Row reliability.
Below in conjunction with the control method of the air conditioner 10 with purification function of the present embodiment, to the air-conditioning of above-described embodiment
The control process of device 10 is further described, and the control method of the air conditioner 10 with purification function of the present embodiment can be by
The electric machine controller 180 of above-mentioned introduction is performed, and is controlled for the moving process to purification assembly 150, Fig. 2 is according to this hair
The schematic diagram of the control method of the air conditioner with purification function of bright one embodiment.The control method can be wrapped in general manner
Include：
Step S202, obtains the stroke step number parameter of the stepper motor 141 pre-set；
Step S204, detects whether the stroke step number parameter of stepper motor 141 is in effective status；Judge that stroke step number is joined
Whether number effectively has various ways, and the downtime of such as air conditioner 10 is long, then it is assumed that stroke step number parameter fails；In another example
Being operated according to stroke step number parameter makes purification assembly complete whether mobile number of times exceedes setting number of times, then it is assumed that stroke step number is joined
Number failure；Another judgment mode is will compare stroke step number parameter and the actual traveling step number of stepper motor 141 is compared
Compared with if deviation is larger, then it is assumed that stroke step number parameter fails.
Three of the above judges that stroke step number parameter is in the mode of effective status, and three kinds of air conditioner 10 are directed to respectively makes
Use situation：
The first, the long-time off-duty of air conditioner 10, such as air conditioner 10 spring or autumn for a long time not on electricity, place
In long-time inactivity, in this case, the possible aging of lubricant method of drive device 140 causes the row of stepper motor 141
Journey step number changes, so if the downtime of air conditioner 10 is long, then it is assumed that stroke step number parameter fails.
Second, air conditioner 10 is long lasting for operation, and purification assembly 150 is by multiple mobile, due to drive device 140
Abrasion between part is likely to result in the stroke step number change of stepper motor 141.Therefore, stepper motor 141 is obtained according to row
Whether the number of times that journey step number parameter makes purification assembly 150 complete movement exceedes setting number of times, and (such as 50 times, specific number of times can root
It is configured according to the situation of drive device 140), if exceeding, determine that stroke step number parameter fails.Namely current stroke step number parameter
Using setting number of times after, it is necessary to re-start amendment.
The third, stroke of the record purification assembly 150 from initial position stepper motor 141 into purification position moving process
Step number, stroke step number parameter and the stroke step number of stepper motor 141 in the record moving process of purification assembly 150 are compared,
When both differences are less than predetermined threshold value, determine that stroke step number parameter is in effective status；It is more than or waits in both difference
When predetermined threshold value, determine that stroke step number parameter fails.
Step S206, if the stroke step number parameter of stepper motor 141 is effectively, purification pattern is exited receiving air conditioner 10
Trigger signal when, Driving Stepping Motor 141 according to stroke step number parameter operate, Driving Stepping Motor 141 is according to stroke step number
Parameter is operated, so that drive device 140 drives purification assembly 150 to move；
Correspondingly, when needing purification, trigger signal of the air conditioner 10 into purification pattern, driving step can got
Stepper motor 141 makes drive device 140 that purification assembly 150 is moved into purification position, and after signal in place is received, driving step
Stepper motor 141 is shut down and records the stroke step number of stepper motor 141 in purification assembly moving process.
The trigger signal of above-mentioned entrance purification pattern can include：The air pollution that air quality detecting device is reported is transfinited
Signal, start-up operation signal, the start timing signal for coming from user.
Transfinited signal for air pollution, the air that air quality detecting device detects the working environment of air conditioner 10 is dirty
Dye arrival setting is transfinited after threshold value (such as transfiniting parameters or the class of pollution transfinites), can be triggered air conditioner 10 and be entered
Purification pattern.
For start-up operation signal, user can manually be touched by remote control or other air conditioner Man Machine Interfaces
Hair air conditioner 10 enters purification pattern.
For start timing signal, air conditioner 10 can periodically be purified according to run time, such as cumulative activation 8
Hour, start purification 1 hour.
The trigger signal that above-mentioned air conditioner 10 enters purification pattern can be according to user to air cleaning requirement set
Put.The trigger signal for exiting purification pattern can also be by air cleaners that are a variety of, being reported for air quality detecting device 180
Signal, the shutoff operation signal for coming from user, regularly expire signal, so that automatic or closed according to the operation of user net
Change.
Step S208, if the stroke step number parameter failure of stepper motor 141, records purification assembly 150 in initial bit again
The step number of the stepper motor 141 into purification position moving process is put, and using the traveling step number recorded again to stepper motor 141
Stroke step number parameter be modified.
In each electrifying startup of air conditioner 10, purification self-inspection can be carried out, the state of drive device 140 is determined, specifically certainly
Procuratorial organ's formula includes：Ensure that purification assembly 150 is located at after initial position, Driving Stepping Motor 141 is operated, and makes the band of drive device 140
Dynamic purification assembly 150 completes once to be then back to the purification process of self-test of initial position from initial position to purification position.Wherein,
Ensure that the step of purification assembly 150 is located at initial position includes：Driving Stepping Motor 141 to purification position direction movement until
Receive after signal in place, Driving Stepping Motor 141 is to the direction of initial position until crossing step (such as makes stepper motor operating tool
There is the step number of certain allowance).By process of self-test, the state of drive device 140 can confirm that, it is possible to net receiving triggering
After the signal of change, the action of mobile purification assembly 150 can be directly performed.
Purification assembly 150 is moved to purification position in drive device 140, air conditioner can be made by receiving after signal in place
10 work in purification pattern, and because the windage of indoor set blower fan generation air-flow in purification pattern is significantly different, mould is purified entering
After formula, air-flow necessarily causes the heat transfer effect decay by indoor set heat exchanger, high load capacity problem easily occurs by filtering,
Therefore feedback control can also be carried out to the refrigeration system of air conditioner 10 according to default feedback control scheme under purification pattern.
It can also be detected before startup drive device 140 moves purification assembly 150 to purification position and enter purification pattern
When indoor set 100 Tube Sheet of Heat Exchanger temperature, according to enter purification pattern when indoor set 100 Tube Sheet of Heat Exchanger temperature setting purification pattern under
Target tube temperature；Also include after compressor operating frequency to the running frequency for starting the drive device moment is recovered：Inspection in real time
The Tube Sheet of Heat Exchanger temperature of indoor set 100 is surveyed, and calculates the difference with target tube temperature, the blower fan of indoor set is fed back according to difference
Control.This kind of control model, it is contemplated that under purification pattern, can produce windage because air-flow passes through purification assembly, influence indoor set
The heat exchange efficiency of 100 heat exchanger, for the heat exchange efficiency of the heat exchanger that meets indoor set 100, can accordingly adjust indoor set
The wind speed of blower fan, such as, as the heat exchanger of indoor set 100 increases with the difference of target tube temperature, the wind speed of indoor set blower fan is corresponding
Increase.
In other alternative embodiments, the wind speed except adjusting indoor set blower fan, compression that can also be to refrigeration system
Machine and throttling arrangement are controlled, and further reduce the influence to the cooling and warming of air conditioner 10.
For example in 10 refrigerating operaton of air conditioner, if Tube Sheet of Heat Exchanger temperature is no more than first less than target tube temperature after cleaning
During temperature difference threshold (such as 3 degree), feedback control can be carried out to the blower fan of indoor set according to difference, Tube Sheet of Heat Exchanger temperature temperature is got over
Low, the rotation speed of fan of indoor set is faster.If the lifting of indoor set rotation speed of fan is it cannot be guaranteed that Tube Sheet of Heat Exchanger temperature is maintained and mesh
The pipe temperature temperature difference is marked when within the first temperature difference threshold, then the aperture of the throttling arrangement of increase compression kind of refrigeration cycle, if still can not
Ensure that Tube Sheet of Heat Exchanger temperature is maintained with the target tube temperature temperature difference when within the second temperature difference threshold, then frequency reducing is carried out to compressor, from
And prevent that indoor set heat exchanger temperature is too low, there is high load capacity.
When air conditioner 10 carries out refrigerating operaton, if Tube Sheet of Heat Exchanger temperature is no more than first higher than target tube temperature after cleaning
During temperature difference threshold (such as 3 degree), feedback control can be carried out to the blower fan of indoor set according to difference, Tube Sheet of Heat Exchanger temperature temperature is got over
Height, the rotation speed of fan of indoor set is faster.If the lifting of indoor set rotation speed of fan is it cannot be guaranteed that Tube Sheet of Heat Exchanger temperature is maintained and mesh
The pipe temperature temperature difference is marked when within the first temperature difference threshold, then the aperture of the throttling arrangement of increase compression kind of refrigeration cycle, if still can not
Ensure that Tube Sheet of Heat Exchanger temperature is maintained with the target tube temperature temperature difference when within the second temperature difference threshold, then frequency reducing is carried out to compressor, from
And prevent that indoor set heat exchanger temperature is too high, cause high load capacity.
Above-mentioned feedback control can use PID (proportion-integral-derivative, proportional, integral-micro-
Point) control, it would however also be possible to employ other feedbacks, control flow can include：The Tube Sheet of Heat Exchanger of indoor set is detected in real time
Temperature, and calculate the difference with target tube temperature；When difference is less than default first temperature difference threshold, according to wind of the difference to indoor set
Machine carries out feedback control；When difference is more than or equal to the first temperature difference threshold, according to compression kind of refrigeration cycle of the difference to air conditioner
Carry out feedback control.Wherein, the step of carrying out feedback control to the compression kind of refrigeration cycle of air conditioner according to difference includes：In difference
During more than or equal to first temperature difference threshold and less than the second temperature difference threshold, the throttling arrangement of increase compression kind of refrigeration cycle is opened
Degree；When difference is more than or equal to the second temperature difference threshold, frequency reducing is carried out to the compressor for compressing kind of refrigeration cycle, wherein second temperature difference
Threshold value is more than the first temperature difference threshold.Above-mentioned first temperature difference threshold and the second temperature difference threshold can be according to the specifications of indoor set heat exchanger
Configured with use requirement, for example, the first temperature difference threshold is set positive and negative 3 degrees Celsius, the second temperature difference threshold be set to positive and negative
5 degrees Celsius.
In the air conditioner 10 of the present embodiment, because the air-admitting surface of the moving process masking in purification assembly 150 becomes
Change, sinuous flow easily occur causes noise to increase, for this phenomenon, can also be made an uproar by the control to indoor set blower fan, reduction
Sound, improves the usage experience of user.For example after the signal of the triggering entrance purification pattern of air conditioner 10 is got, in purification assembly
150 moving process reduces the wind speed scale of indoor set blower fan step by step, so that as purification assembly 150 covers the area of air inlet
Increase, gradually reduce wind speed, it is to avoid air-flow enter air inlet during due to sinuous flow occur noise, reduce to user
Use feeling is affected.When adjusting the wind speed of indoor set blower fan, mutually the frequency of compressor should accordingly be controlled, it is to avoid because
Refrigeration system load is abnormal caused by air quantity declines.After purification assembly 150 reaches purification position, indoor set blower fan is improved step by step
Wind speed scale, and recover compressor operating frequency, reduce the influence that air conditioner is freezed or heated, and in purification process
Feedback control can also be carried out to indoor set blower fan according to the Tube Sheet of Heat Exchanger temperature of indoor set 100, so as to ensure refrigeration system load
Keep stable.
Below by taking the air conditioner with wall indoor unit as an example, to the structure and work of the air conditioner with purification function
It is introduced as principle.Initial position can be that drive device also includes rack pinion on rear side of the front panel of indoor set 100
Mechanism, purification assembly 150 is transferred to by the power of stepper motor 141, and limit switch 149 can be arranged at rack pinion
On the rack of mechanism.
Fig. 3 is that the purification assembly 150 of the air conditioner 10 according to an embodiment of the invention with purification function is in just
The internal structure schematic diagram of indoor set 100 during beginning position, Fig. 4 is according to an embodiment of the invention with purification function
The purification assembly 150 of air conditioner 10 is in the internal structure schematic diagram of the indoor set 100 when purifying position, and Fig. 5 is according to this hair
The purification assembly 150 of the air conditioner 10 with purification function of bright one embodiment is in sectional view during initial position.Wherein
In order to show internal part in Fig. 3, Fig. 4, the front panel 130 of indoor set 100 has been concealed.
The indoor set 100 of the air conditioner 10 with purification function can include body skeleton 110, case in general manner
120th, front panel 130, drive device 140 and purification assembly 150 etc..Body skeleton 110 constitutes heat exchanger 160 and blower fan 170
Receiving space, case 120 covers on the front portion of body skeleton 110, with closed exchangers 160 and blower fan 170, the top of case 120
Air inlet 121 is formed with, case 120 is detachably secured on body skeleton 110, and front panel 130 is arranged on before case 120
Portion, to form the preceding surface of indoor set 100, front panel 130 is removably mounted on case 120.
Purification assembly 150 can be driven the initial position by the inner side of front panel 130 to move to complete screening by drive device 140
The purification position of air inlet 121 is covered, and the air-flow of the machine of getting in 100 is purified in purification position.Purification assembly 150 is also
It can be driven by the medial motion of air inlet 121 to the inner side of front panel 130, air inlet 121 be appeared, gas by drive device 140
Stream is directly entered in indoor set 100 without purification assembly 150, and purification assembly 150 will not produce windage, reduces the energy of air-conditioning
Consumption.
When purification assembly moves to the purification position of the inner side of air inlet 121, limit switch 149 is triggered, and can stop
The operation of drive device 140, prevents motor from rotating step.Pass through the trigger signal of limit switch 149, it may be determined that purification assembly
150 motions in place, can now stop reducing the wind speed scale of indoor set blower fan 170.Limit switch 149 can be arranged on case
120 top, and be located on the position that can be triggered after purification assembly 150 is moved in place.In further embodiments, limit
Bit switch 149 can also be arranged on the relevant position of the transmission mechanism of drive device 140.
After the trigger signal of the entrance purification pattern of air conditioner 10 is got, purification assembly 150 is driven by drive device 140
By the medial motion of front panel 130 to the purification position of completely obscured air inlet 121, purification assembly 150 is fully contacted with air, right
The air-flow for getting in machine 100 carries out sufficiently cleaned up, the air quality of lifting indoor environment.During movement, to interior
The wind speed of machine blower fan 170 is adjusted accordingly, it is to avoid noise effect.
After limit switch 149 is triggered, determine that purification assembly 150 is moved in place, now, gradually recover indoor set blower fan
170 wind speed, ensures the cooling or heating effect of air conditioner 10 while purification.
When exiting purification, purification assembly 150 is driven by the medial motion of air inlet 121 to front panel by drive device 140
130 inner sides, air inlet 121 are appeared, air-flow is directly entered indoor set 100 without purification assembly 150, and purification assembly 150 is not
Resistance can be produced to the air-flow for entering air inlet 121 so that air conditioner more energy-conserving and environment-protective.
In some alternative embodiments, drive device 140 can be two, and two drive devices 140 are separately positioned on cover
At the both lateral sides frame of shell 120, and it is oppositely arranged.
Laterally refer to the length direction of case 120, case 120 is formed with opening from top to front portion, and case 120, which is located at, to be opened
Part at mouthful constitutes the frame of case 120, and the opening positioned at top of case 120 is air inlet 121, case 120
Covered with front panel 130 in anterior opening.
Purification assembly 150 is located between two drive devices 140, and is connected respectively with two drive devices 140, two drives
Dynamic device 140 is run simultaneously.Thus it is easy to purification assembly 150 to be driven by drive device 140 in the inner side of front panel 130 and air inlet
Moved between 121 inner sides.
Fig. 6 is purification assembly 150 and the driving of the air conditioner 10 according to an embodiment of the invention with purification function
The decomposing schematic representation of device 140, Fig. 7 is the driving dress of the air conditioner 10 according to an embodiment of the invention with purification function
Put 140 exploded perspective view.
Drive device 140 can include guide assembly, motor 141, gear 142, arc-shaped rack 143 and connecting rod 146.Guide rail
Component can be arranged at the frame of the lateral side end of case 120.
Purification assembly 150 can also be connected by connecting rod 146 with arc-shaped rack 143.Specifically, the first end of connecting rod 146
Rotate and be connected with arc-shaped rack 143, the drive gear 142 of motor 141 is rotated, gear 142 drives arc-shaped rack 143 to slide, arc
The drive of rack 143 rotates the connecting rod 146 being connected with it and rotates and slide.Also, the second end of connecting rod 146 and purification assembly 150
Rotate connection, purification assembly 150 from connecting rod 146 drive rotationally and slidably with guide assembly.So that purification
Component 150 is moved between the inner side of front panel 130 and the inner side of air inlet 121.
Guide assembly can include pedestal 144 and side cover 145, and pedestal 144 is arranged on the frame of the lateral side end of case 120
Place, for example pedestal 144 can be fixed by screws at the frame of the lateral side end of case 120, and side cover 145 is fastened on pedestal 144
One side away from lateral side end, side cover 145 constitutes the space for accommodating gear 142 and arc-shaped rack 143, motor 141 with pedestal 144
Output shaft be connected through pedestal 144 with gear 142, motor 141 by gear 142 drive arc-shaped rack 143 slide.
Connecting rod 146 is arranged in the receiving space that pedestal 144 and side cover 145 are constituted, the first end and arc-shaped gear of connecting rod 146
Bar 143 rotates connection, and the second end of connecting rod 146 is rotated with purification assembly to be connected, and connecting rod 146 drives purification assembly 150 rotatable
And slideably coordinate with guide assembly, so that purification assembly 150 is in the inner side of front panel 130 and the inner side of air inlet 121
Between move.
Pedestal 144 can also be formed with deep-slotted chip breaker 144-4 towards the side of arc-shaped rack 143, and arc-shaped rack 143 is close to base
The side of seat 144 is provided with least one second roller 143-3, and the second roller 143-3 can be contained in deep-slotted chip breaker 144-4 simultaneously
Slide and connect with deep-slotted chip breaker 144-4.It is possible thereby to which so that the arcuately groove 144-4 Stable slidings of arc-shaped rack 143, improve driving dress
Put the stability of 140 operations.
Side of the side cover 145 away from pedestal 144 could be formed with the second guide rail 145-7, and purification assembly 150 is by connecting rod 146
Drive rotationally and slidably coordinate with the second guide rail 145-7, with the inner side of front panel 130 and the inner side of air inlet 121
Between move.
Motor 141 drives arc-shaped rack 143 by gear 142, and arcuately groove 144-4 is slided, and arc-shaped rack 143 is being slided
During, connecting rod 146 is slided with arc-shaped rack 143, and produces between arc-shaped rack 143 relative motion of rotation, purification group
Part 150 from connecting rod 146 drive and with the second guide rail 145-7 path moved along the second guide rail 145-7, be achieved in purification group
Part 150 is moved between the inner side of front panel 130 and the inner side of air inlet 121.
Second end of connecting rod 146 can set a positioning traveller 146-1, positioning traveller 146-1 to pass through the second guide rail 145-7
Rotate and be connected with purification assembly 150.Guide rail 145-7 is formed with vacancy section in their extension direction, and positioning traveller 146-1, which is passed through, to be engraved
Dead zone is rotated with purification assembly 150 and is connected, during connecting rod 146 is moved with arc-shaped rack 143, and positioning traveller 146-1 is being engraved
Slided in dead zone.
When limit switch 149 is arranged on the relevant position of the transmission mechanism of drive device 140, limit switch 149 can be with
It is arranged on the second guide rail 145-7.Purification assembly 150 driven by connecting rod 146 move to the inner side of air inlet 121 and it is completely obscured enter
During air port 121, positioning traveller 146-1 contacted with corresponding limit switch 149, limit switch 149 is triggered, motor 141 it is defeated
Shaft stops operating, so as to avoid motor 141 from rotating step noise, the abrasion of reduction gear 142 and rack 143.Similarly, only
When change component 150 moves to 130 inner side of front panel by the drive of connecting rod 146, positioning traveller 146-1 and corresponding limit switch 149
Contact, limit switch 149 is triggered, and motor 141 is out of service.
Second guide rail 145-7 can include the first segmental arc 145-7-1 and connect with the first segmental arc 145-7-1 second
Segmental arc 145-7-2, the first segmental arc 145-7-1 are different from the second segmental arc 145-7-2 radian, namely refer to the first arc
Section 147-1-1 is different from the second segmental arc 147-1-2 degree of crook, thus form and the motion path one of purification assembly 150
Second guide rail 145-7, the first segmental arc 145-7-1 of the irregular shape of cause can be located at the lateral side end of case 120 frame with
The corresponding position of air inlet 121, the second segmental arc 145-7-2 forward downwards extend to the inner side of front panel 130.Deep-slotted chip breaker 144-
4 also may extend to the inner side of front panel 130, and the second segmental arc 145-7-2 can be located at deep-slotted chip breaker 144-4 outside, in other words,
Compared with the position where deep-slotted chip breaker 144-4, the second segmental arc 145-7-2 is closer to front panel 130.
The drive gear 142 of motor 141 is rotated, and the driving arc-shaped rack 143 of gear 142 is slided in deep-slotted chip breaker 144-4, arc
Rack 143 is in sliding process, and connecting rod 146 is slided with arc-shaped rack 143, and produces between arc-shaped rack 143 phase of rotation
To motion, purification assembly 150 is driven by connecting rod 146 can be in front panel 130 along the second guide rail 145-7 of irregular shape
Moved between the position of the position of side and the inner side of air inlet 121, and the motion path of purification assembly 150 is located at deep-slotted chip breaker
144-4 outside.
Compared to arc-shaped rack is directly used, connecting rod 146 drives the second guide rail of the cooperation irregular shape of purification assembly 150
Space shared by 145-7 motion is smaller, can save the inner space of indoor apparatus of air conditioner 100.
Fig. 8 is the movement of the purification assembly 170 of the air conditioner 10 according to an embodiment of the invention with purification function
A is by the first segmental arc 145-7-1 and second arc different from the first segmental arc 145-7-1 radians in track schematic diagram, figure
Second guide rail 145-7 of the irregular shape that section 145-7-2 connects path, B is the first curved guide rail 145-3's
Path, the second guide rail 145-7 of irregular shape is located at the outside of the first curved guide rail 145-3.
If purification assembly 150 is directly driven along the first curved guide rail 145-3 by arc-shaped rack 143 and moved, purify
The movement locus of component 150 is located at outside, if purification assembly 150 is driven by connecting rod 146, the motion rail of purification assembly 150
Mark should be located at inner side.Therefore, purification assembly 150 is driven the motion institute along the second guide rail 145-7 of irregular shape by connecting rod 146
Need space smaller, more inner spaces of indoor set 100 can be conceded, the volume without increasing indoor set 100, in arrangement driving
While device 140 and purification assembly 150, or the arrangement of heat exchanger 160, blower fan 170 and miscellaneous part is provided enough
Space.
Purification assembly 150 can be detachably connected with drive device 140, facilitate the cleaning and replacing of purification assembly 150.Only
Bracket and the cleaning module 151 being placed on bracket can be included by changing component 150.The shape of cleaning module 151 and it is big under can root
It is determined according to the inner space of indoor set 100 and the size of air inlet 121, for example, cleaning module 151 can be with curved.
Bracket can include two connecting portions 152 being oppositely arranged, and purification assembly 150 is directly driven in arc-shaped rack 143
In the scheme slided along curved guide rail, two connecting portions 152 are directly connected with corresponding arc-shaped rack 143.
Second guide rail 145-7 of the purification assembly 150 along irregular shape is driven to transport by connecting rod 146 in arc-shaped rack 143
In dynamic scheme, two connecting portions 152 are rotated with corresponding connecting rod 146 and connected.Cleaning module 151 is arranged on connecting portion 152
And between two connecting portions 152.Specifically, two connecting portions 152 can be oppositely arranged on two phases of cleaning module 151
To end edge, the first end of connecting portion 152 rotated with the second end of connecting rod 146 and is connected, and the second end of connecting portion 152 is led with second
Rail 145-7 is slidably matched.
Cleaning module 151 can be that a cross bar 153 can be set between two, connecting portion 152, the two ends point of cross bar 153
It is not connected with two connecting portions 152, cross bar 153 has groove, facilitates cleaning module 151 to be fastened in the groove.Cross bar 153
Medium position can be provided with joint portion 154, and to connect two cleaning modules 151, and two cleaning modules 151 are located at combination
Side at the position of portion 154 is abutted.
When being not turned on purification function, purification assembly 150 is moved to the inner side of front panel 130, in non-purification position (just
Beginning position)；After purification function is opened, purification assembly 150 is driven by drive device, is moved to the inner side of air inlet 121 and is hidden completely
Air inlet 121 is covered, in purification position, the air-flow of the machine of getting in 100 is purified.
Due in the moving process of purification assembly 150, due to the air-admitting surface of the moving process masking in purification assembly 150
Change, sinuous flow easily occur causes noise to increase, therefore mutually should carry out wind speed regulation to indoor machine wind machine 170, examines simultaneously in addition
Consider the cooling and warming steady load of air conditioner 100, further compressor, throttling arrangement can be controlled.
The air conditioner with purification function and its control method of the present embodiment, using purification assembly in initial position to net
The step number for changing stepper motor in the moving process of position is modified to the parameter, it is ensured that stepper motor accurately can will purify group
Part is moved to the position specified, it is to avoid the problem of appearance is mobile not in place or crosses step, it is ensured that the normal realization of purification function,
And extra noise will not be brought..
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. be provided with a kind of control method of the air conditioner with purification function, the indoor set of the air conditioner drive device with
And purification assembly, wherein the purification assembly is driven the initial bit in the air inlet for leaving the indoor set by the drive device
Put and cover and move between the purification position of the air inlet, and to entering the indoor set when in the purification position
Air-flow is purified, and the drive device includes stepper motor and limit switch, and the stepper motor makes described for offer
The power of purification assembly movement, the limit switch is used to be triggered after the purification assembly reaches purification position, to generate
Signal in place, and the control method includes：
Obtain the stroke step number parameter of the stepper motor pre-set；
Detect whether the stroke step number parameter of the stepper motor is in effective status；
If the stroke step number parameter of the stepper motor is effectively, the air conditioner is being received and is exiting the trigger signal of purification pattern
When, drive the stepper motor to be operated according to the stroke step number parameter, so that the drive device drives the purification assembly
It is moved to the initial position；
If the stroke step number parameter failure of the stepper motor, records the purification assembly in the initial position to described again
The step number of stepper motor described in the moving process of position is purified, and using the traveling step number recorded again to the stepper motor
Stroke step number parameter is modified.
2. control method according to claim 1, in addition to：
The trigger signal that the air conditioner enters purification pattern is obtained,
Drive the stepper motor to make the drive device that the purification assembly is moved into the purification position, and receiving
After the signal in place, the stepper motor is driven to shut down and record stepper motor described in the purification assembly moving process
Stroke step number.
3. control method according to claim 2, wherein,
Detect that the step of whether the stroke step number parameter of the stepper motor is in effective status includes：By stroke step number ginseng
Number is compared with the stroke step number for recording stepper motor described in the purification assembly moving process, in both differences
During less than predetermined threshold value, determine that the stroke step number parameter is in effective status；It is more than or equal in both differences described pre-
If during threshold value, determining the stroke step number parameter failure,
The step of being modified to the stroke step number parameter of the stepper motor includes：Using in the purification assembly moving process
The stroke step number parameter of stepper motor described in the stroke step number amendment of the stepper motor.
4. control method according to claim 2, wherein, also include after the air conditioner electrifying startup：
Ensure that the purification assembly is located at after the initial position, drive the stepper motor operating, make the drive device band
The dynamic purification assembly completes once to be then back to the purification of the initial position from the initial position to the purification position
Process of self-test.
5. control method according to claim 4, wherein, it is ensured that the step of purification assembly is located at the initial position
Including：
Drive the stepper motor to the direction movement of the purification position until receiving after the signal in place, driving is described
Stepper motor is walked to the direction of the initial position until crossing.
6. control method according to claim 1, wherein, detect whether the stroke step number parameter of the stepper motor is in
The step of effective status, also includes：
Obtaining the stepper motor and being operated according to the stroke step number parameter makes whether the purification assembly completes mobile number of times
More than setting number of times, if exceeding, the stroke step number parameter failure is determined.
7. control method according to claim 1, wherein, drive the stepper motor also to include after shutting down：
Feedback control is carried out to the refrigeration system of the air conditioner according to default feedback control scheme under purification pattern.
8. control method according to any one of claim 1 to 7, wherein,
The indoor set is wall indoor unit, and the initial position is the front panel rear side of the indoor set, the driving dress
Putting also includes rack and pinion drive mechanism, the power of the motor is transferred into the purification assembly, the limit switch is set
It is placed on the rack.
9. a kind of air conditioner with purification function, including：
Indoor set, is provided with drive device and purification assembly in it, wherein
The purification assembly is driven by the drive device and is leaving the initial position and shelter of the air inlet of the indoor set
Move, and the air-flow for entering the indoor set is carried out only between the purification position for stating air inlet when in the purification position
Change；
The drive device includes stepper motor and limit switch, and the stepper motor is used to provide the purification assembly movement
Power, the limit switch is used to be triggered after the purification assembly reaches purification position, to generate signal in place；And
The air conditioner also includes：
Electric machine controller, is configured to：
Obtain the stroke step number parameter of the stepper motor pre-set；
Detect whether the stroke step number parameter of the stepper motor is in effective status；
If the stroke step number parameter of the stepper motor is effectively, the air conditioner is being received and is exiting the trigger signal of purification pattern
When, drive the stepper motor to be operated according to the stroke step number parameter, so that the drive device drives the purification assembly
It is moved to the initial position；
If the stroke step number parameter failure of the stepper motor, records the purification assembly in the initial position to described again
The step number of stepper motor described in the moving process of position is purified, and using the traveling step number recorded again to the stepper motor
Stroke step number parameter is modified.
10. air conditioner according to claim 9, wherein
The indoor set is wall indoor unit, and the initial position is the front panel rear side of the indoor set, the driving dress
Putting also includes rack and pinion drive mechanism, the power of the motor is transferred into the purification assembly, the limit switch is set
It is placed on the rack.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445615.9A CN107300241A (en) | 2017-06-13 | 2017-06-13 | Air conditioner and its control method with purification function |
| PCT/CN2018/088222 WO2018228162A1 (en) | 2017-06-13 | 2018-05-24 | Air conditioner having purifying function and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445615.9A CN107300241A (en) | 2017-06-13 | 2017-06-13 | Air conditioner and its control method with purification function |
Publications (1)
| Publication Number | Publication Date |
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| CN107300241A true CN107300241A (en) | 2017-10-27 |
Family
ID=60134842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710445615.9A Pending CN107300241A (en) | 2017-06-13 | 2017-06-13 | Air conditioner and its control method with purification function |
Country Status (2)
| Country | Link |
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| CN (1) | CN107300241A (en) |
| WO (1) | WO2018228162A1 (en) |
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| WO2018228162A1 (en) * | 2017-06-13 | 2018-12-20 | 青岛海尔空调器有限总公司 | Air conditioner having purifying function and control method therefor |
| CN111550592A (en) * | 2019-02-12 | 2020-08-18 | 杭州三花研究院有限公司 | Control method, control system and electric valve |
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Application publication date: 20171027 |