CN104596171B - The control method and control device of compressor electric motor in air conditioner and air conditioner - Google Patents
The control method and control device of compressor electric motor in air conditioner and air conditioner Download PDFInfo
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- CN104596171B CN104596171B CN201410821593.8A CN201410821593A CN104596171B CN 104596171 B CN104596171 B CN 104596171B CN 201410821593 A CN201410821593 A CN 201410821593A CN 104596171 B CN104596171 B CN 104596171B
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- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/025—Motor control arrangements
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- 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
- F24F11/56—Remote control
- F24F11/59—Remote control for presetting
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of compressor electric motor in air conditioner, comprise the following steps：After compressor electric motor starts, start timing, and detect outdoor environment temperature T4 in real time；When air conditioner is in heating mode, judge whether air conditioner performs defrost action；If it is, increase the maximum reactive current of compressor electric motor；If it is not, then calculating the mean temperature T40 of outdoor environment temperature in the first preset time after compressor electric motor starts, and when the run time for judging mean temperature T40 and compressor electric motor meets preparatory condition, increase the maximum reactive current of compressor electric motor.The control method improves the caloric value of compressor electric motor by increasing the reactive current of compressor electric motor, so as to improve the defrost time of heating effect and shortening air conditioner compared with air conditioner under low ambient temperature.The invention also discloses a kind of control device of compressor electric motor in air conditioner and a kind of air conditioner.
Description
Technical field
The present invention relates to air conditioner technical field, the control method of compressor electric motor, one in more particularly to a kind of air conditioner
The control device of compressor electric motor and a kind of air conditioner in kind air conditioner.
Background technology
At present, when air conditioner is in heating mode, if air conditioner long-play, the outdoor unit of air conditioner can be slow
Slow frosting so that the fan-out capability of the indoor set of air conditioner has declined.Therefore, when outdoor environment temperature is relatively low, humidity is larger
When, air conditioner can perform defrost action after operation a period of time, and after defrost terminates, air conditioner is switched to heating again
Pattern starts toward indoor conveying heat.Because during defrost, the temperature of indoor heat exchanger can be greatly reduced, now indoor ring
Border temperature can fluctuate, and influence the comfortableness of indoor environment.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.
Therefore, it is an object of the present invention to propose a kind of control method of compressor electric motor in air conditioner, pass through increasing
Add the reactive current of compressor electric motor to improve the caloric value of compressor electric motor, so as to improve compared with air conditioner under low ambient temperature
Heating effect and shorten air conditioner the defrost time.
Another object of the present invention is to propose a kind of control device of compressor electric motor in air conditioner.Also the one of the present invention
Individual purpose is to propose a kind of air conditioner.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of controlling party of compressor electric motor in air conditioner
Method, comprise the following steps：After compressor electric motor startup, start timing, and detect outdoor environment temperature T4 in real time；Work as institute
When stating air conditioner and being in heating mode, judge whether the air conditioner performs defrost action；If it is, according to the compressor
The peak point current of motor calculates the maximum reactive current of the compressor electric motor, and according to the maximum idle of the compressor electric motor
Electric current is controlled to the compressor electric motor to improve the caloric value of the compressor electric motor；If it is not, then calculate the pressure
After contracting machine electric motor starting in the first preset time outdoor environment temperature mean temperature T40, and judging the mean temperature T40
When meeting preparatory condition with the run time of the compressor electric motor, according to calculating the peak point current of the compressor electric motor
The maximum reactive current of compressor electric motor, and the compressor electric motor is entered according to the maximum reactive current of the compressor electric motor
Row is controlled to improve the caloric value of the compressor electric motor.
The control method of compressor electric motor in the air conditioner proposed according to embodiments of the present invention, when air conditioner is in heating mould
During formula, first determine whether air conditioner performs defrost action, compressed if it is, being calculated according to the peak point current of compressor electric motor
The maximum reactive current of electromechanical machine, and compressor electric motor is controlled according to the maximum reactive current of compressor electric motor to improve
The caloric value of compressor electric motor；If it is not, then calculate after compressor electric motor starts outdoor environment temperature in the first preset time
Mean temperature T40, and when the run time for judging mean temperature T40 and compressor electric motor meets preparatory condition, according to compression
The peak point current of electromechanical machine calculates the maximum reactive current of compressor electric motor, and according to the maximum reactive current pair of compressor electric motor
Compressor electric motor is controlled to improve the caloric value of compressor electric motor.Therefore, compressor in the air conditioner of the embodiment of the present invention
The control method of motor can be when air conditioner be in heating mode and performs defrost action, by the nothing for increasing compressor electric motor
Work(electric current improves the caloric value of compressor electric motor, so as to shortening the defrost time of air conditioner, and is in heating in air conditioner
Pattern and be not carried out defrost action when, if the mean temperature of outdoor environment and the run time of compressor electric motor meet condition
When, the caloric value of compressor electric motor is improved by increasing the reactive current of compressor electric motor, heats refrigeration system refrigerant, is increased
The output of great heating capacity, so as to improve the heating effect of air conditioner, the comfortableness of indoor environment is effectively improved, is further without
Increase complete machine cost.
According to one embodiment of present invention, the preparatory condition includes：(1) the mean temperature T40 is more than or equal to the
One preset temperature and run time less than or equal to the second preset temperature and the air conditioner is more than or equal to the second preset time；
Or (2) described mean temperature T40 is less than first preset temperature and the run time of the air conditioner is more than or equal to the 3rd
Preset time.
According to one embodiment of present invention, when the mean temperature T40 and the compressor electric motor run time expire
When being enough lower either condition, the compressor electric motor is controlled to keep current state to run the 4th preset time：(1) the average temperature
When degree T40 is more than or equal to first preset temperature and is less than or equal to second preset temperature and the operation of the air conditioner
Between be less than second preset time；Or (2) described mean temperature T40 is less than first preset temperature and the air conditioner
Run time be less than the 3rd preset time.
Preferably, first preset time is the 1-10 seconds, and second preset time is 2-4 hours, and the described 3rd is pre-
If the time is 0.5-1 hours, the 4th preset time is the 1-5 seconds, and first preset temperature is 3-5 DEG C, and described second is pre-
If temperature is 7-10 DEG C.
According to one embodiment of present invention, when judging that the air conditioner performs the defrost action, also by timing when
Between reset.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of control of compressor electric motor in air conditioner
Device, including：Timer, the timer start timing after compressor electric motor startup；Temperature detecting module, the temperature
Detection module is spent to be used to detect external environment temperature T4 in real time；Control module, the control module are in heating in the air conditioner
Judge whether the air conditioner performs defrost action during pattern, wherein, if it is determined that the air conditioner performs the defrost action,
The control module then calculates the maximum reactive current of the compressor electric motor according to the peak point current of the compressor electric motor, and
The compressor electric motor is controlled according to the maximum reactive current of the compressor electric motor to improve the compressor electric motor
Caloric value；If it is determined that the air conditioner is not carried out the defrost action, it is electromechanical that the control module then calculates the compression
Machine start after in the first preset time outdoor environment temperature mean temperature T40, and judging the mean temperature T40 and described
When the run time of compressor electric motor meets preparatory condition, the control module is according to the crest ammeter of the compressor electric motor
Calculate the maximum reactive current of the compressor electric motor, and according to the maximum reactive current of the compressor electric motor to the compressor
Motor is controlled to improve the caloric value of the compressor electric motor.
The control device of compressor electric motor in air conditioner according to embodiments of the present invention, control module are in system in air conditioner
Judge whether air conditioner performs defrost action during heat pattern, if it is determined that air conditioner performs defrost action, control module then basis
The peak point current of compressor electric motor calculates the maximum reactive current of compressor electric motor, and according to the maximum idle electricity of compressor electric motor
Stream is controlled to compressor electric motor to improve the caloric value of compressor electric motor；If it is determined that air conditioner is not carried out defrost action,
Control module then calculates the mean temperature T40 of outdoor environment temperature in the first preset time after compressor electric motor starts, and is sentencing
When disconnected mean temperature T40 and compressor electric motor run time meet preparatory condition, control module is according to the peak of compressor electric motor
It is worth the maximum reactive current of Current calculation compressor electric motor, and according to the maximum reactive current of compressor electric motor to compressor electric motor
It is controlled to improve the caloric value of compressor electric motor.Therefore, in the air conditioner of the embodiment of the present invention compressor electric motor control
Device can be carried when air conditioner is in heating mode and performs defrost action by increasing the reactive current of compressor electric motor
The caloric value of high compressor motor, so as to shorten the defrost time of air conditioner, and it is in heating mode in air conditioner and does not hold
When row defrost acts, if the mean temperature of outdoor environment and the run time of compressor electric motor meet condition, pass through increasing
The reactive current of compressor electric motor improves the caloric value of compressor electric motor, heats refrigeration system refrigerant, increases heating capacity
Output, so as to improve the heating effect of air conditioner, effectively improves the comfortableness of indoor environment, it is not necessary to increase complete machine
Cost.
According to one embodiment of present invention, the preparatory condition includes：(1) the mean temperature T40 is more than or equal to the
One preset temperature and run time less than or equal to the second preset temperature and the air conditioner is more than or equal to the second preset time；
Or (2) described mean temperature T40 is less than first preset temperature and the run time of the air conditioner is more than or equal to the 3rd
Preset time.
According to one embodiment of present invention, when the mean temperature T40 and the compressor electric motor run time expire
When being enough lower either condition, the control module controls the compressor electric motor to keep current state to run the 4th preset time：
(1) the mean temperature T40 is more than or equal to first preset temperature and is less than or equal to second preset temperature and the sky
The run time of device is adjusted to be less than second preset time；Or (2) described mean temperature T40 is less than first preset temperature
And the run time of the air conditioner is less than the 3rd preset time.
Preferably, first preset time is the 1-10 seconds, and second preset time is 2-4 hours, and the described 3rd is pre-
If the time is 0.5-1 hours, the 4th preset time is the 1-5 seconds, and first preset temperature is 3-5 DEG C, and described second is pre-
If temperature is 7-10 DEG C.
According to one embodiment of present invention, the control module is judging the air conditioner execution defrost action
When, also the timing time of the timer is reset.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the control dress of above-mentioned compressor electric motor
Put.
The air conditioner can be when in heating mode and execution defrost action, by the idle electricity for increasing compressor electric motor
Stream improves the caloric value of compressor electric motor, so as to shortening the defrost time, and in heating mode and is being not carried out defrost and moves
It is electromechanical by increasing compression if the mean temperature of outdoor environment and the run time of compressor electric motor meet condition when making
The reactive current of machine improves the caloric value of compressor electric motor, so as in the case where not increasing cost improve heating effect,
Effectively improve the comfortableness of indoor environment.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the control method of compressor electric motor in the air conditioner according to the embodiment of the present invention；
Fig. 2 is the flow chart according to the control method of the compressor electric motor of a specific embodiment of the invention；And
Fig. 3 is the block diagram of the control device of compressor electric motor in the air conditioner according to the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can
To be to be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to the accompanying drawings come describe the control method of compressor electric motor in the air conditioner proposed according to embodiments of the present invention,
The control device of compressor electric motor and the air conditioner with the control device in air conditioner.
Fig. 1 is the flow chart of the control method of compressor electric motor in the air conditioner according to the embodiment of the present invention.Such as Fig. 1 institutes
Show, the control method of compressor electric motor comprises the following steps in the air conditioner：
S1, after compressor electric motor startup, start timing, and detect outdoor environment temperature T4 in real time.
In an embodiment of the present invention, temperature detecting module can be set in the outdoor heat exchanger return air opening position of air conditioner
To detect outdoor environment temperature T4.
Also, the air conditioner in the embodiment of the present invention can be heat pump type air conditioner.
S2, when air conditioner is in heating mode, judge whether air conditioner performs defrost action.
S3, if it is, the maximum reactive current of compressor electric motor is calculated according to the peak point current of compressor electric motor, and root
Compressor electric motor is controlled according to the maximum reactive current of compressor electric motor to improve the caloric value of compressor electric motor.
It is also, also that timing time is clear according to one embodiment of present invention, when judging that air conditioner performs defrost action
Zero.
Specifically, when calculating the maximum reactive current of compressor electric motor, first according to the outdoor environment temperature detected in real time
The load torque that T4 obtains compressor electric motor is spent, electromagnetic torque is identical with load torque during due to air conditioner stable operation, therefore
The watt current of compressor electric motor is calculated according to electromagnetic torque, compressor electricity is then calculated according to the active power of compressor electric motor
The peak point current of machine, the maximum reactive current of compressor electric motor is calculated further according to the peak point current of compressor electric motor, is finally led to
The maximum reactive current of overcompression electromechanics machine is controlled to compressor electric motor, when the reactive current of compressor electric motor increases
When, the coil heating amount of compressor electric motor increases, and so as to increase the output of heating capacity, can shorten the defrost time of air conditioner, change
The comfortableness of kind indoor environment.
S4, if it is not, then calculating the mean temperature of outdoor environment temperature in the first preset time after compressor electric motor starts
T40, and when the run time for judging mean temperature T40 and compressor electric motor meets preparatory condition, according to compressor electric motor
Peak point current calculates the maximum reactive current of compressor electric motor, and electromechanical to compression according to the maximum reactive current of compressor electric motor
Machine is controlled to improve the caloric value of compressor electric motor.
Wherein, according to one embodiment of present invention, preparatory condition includes：(1) it is pre- to be more than or equal to first by mean temperature T40
If the temperature and run time less than or equal to the second preset temperature and air conditioner is more than or equal to the second preset time；Or (2) are flat
Equal temperature T40 is less than the first preset temperature and the run time of air conditioner is more than or equal to the 3rd preset time.
In addition, according to one embodiment of present invention, when the run time of mean temperature T40 and compressor electric motor meet with
During lower either condition, control compressor electric motor keeps current state to run the 4th preset time：(1) mean temperature T40 be more than etc.
It is less than the second preset time in the first preset temperature and less than or equal to the run time of the second preset temperature and air conditioner；Or
(2) mean temperature T40 is less than the first preset temperature and the run time of air conditioner is less than the 3rd preset time.
Also, when mean temperature T40 and air conditioner run time are unsatisfactory for four kinds of above-mentioned conditions, then control compression
Electromechanical machine keeps current state to run the 5th preset time.For example, when mean temperature T40 is more than the second preset temperature, due to
Outdoor environment temperature is of a relatively high, and now the heating capacity of air conditioner will not typically decay, therefore it is electromechanical to increase compression
The reactive current of machine, but control compressor electric motor to keep current state to run the 5th preset time, when reach the 5th it is default when
Between after, mean temperature T40 and air conditioner run time are judged again.
Preferably, the first preset time A can be the 1-10 seconds, the second preset time ts2It can be 2-4 hours, the 3rd is default
Time ts3Can be 0.5-1 hours, the 4th preset time B can be the 1-5 seconds, and the 5th preset time C can be 5-15 minutes, the
One preset temperature T4s1Can be 3-5 DEG C, the second preset temperature T4s2It can be 7-10 DEG C.
Specifically, after compressor electric motor starts, timing is started, and pass through the temperature detection mould of outdoor heat exchanger return air position
Block detects outdoor environment temperature T4 in real time, then judges whether air conditioner is in heating mode, if air conditioner is in heating mould
Formula, judges whether air conditioner performs defrost action.If air conditioner performs defrost action, the nothing of compressor electric motor is directly increased
Work(electric current, and timing time is reset；If air conditioner is not carried out defrost action, first is pre- after calculating compressor electric motor starts
If the mean temperature T40 of time A outdoor environment temperatures such as in 5 seconds, then by mean temperature T40 and the first preset temperature T4s1,
Second preset temperature T4s2 is compared, and by the run time t of air conditioner and the second preset time t s2, the 3rd preset time
Ts3 is compared.When outdoor environment temperature meets to require and the run time of air conditioner is unsatisfactory for requiring, control compression is electromechanical
Machine keeps current operating conditions to run the 4th preset time B such as 2 seconds, rejudges；When the operation of outdoor environment temperature, air conditioner
After time is satisfied by requirement, the reactive current of compressor electric motor is increased, and remains on the 4th preset time B such as 2 seconds, is sentenced again
It is disconnected；When the run time of outdoor environment temperature, air conditioner is unsatisfactory for requiring, the 5th preset time C is remained on such as 10 minutes,
Rejudge, timing time is reset.It should be noted that air conditioner occurs shutting down in the process of running or hang-up, defrost
When shutdown, all record datas before are reset, and are counted again after air conditioner reset.
Further, after compressor electric motor startup, timing is started, and detect outdoor environment temperature T4 in real time.Then sentence
Whether disconnected air conditioner is in heating mode, if air conditioner is in heating mode, judges whether air conditioner performs defrost action.
If air conditioner performs defrost action, into defrost pattern, the reactive current of compressor electric motor is increased, and according to
The maximum reactive current of compressor electric motor is controlled to compressor electric motor to improve the caloric value of compressor electric motor, shortens air-conditioning
The defrost time of device, the shadow that the temperature of indoor heat exchanger during defrost causes indoor environment temperature to fluctuate because of reduction can be reduced
Ring, improve the comfortableness of indoor environment.Meanwhile also timing time is reset.
If air conditioner is not carried out defrost action, outdoor environment in the first preset time A after calculating compressor electric motor starts
The mean temperature T40 of temperature, then judges whether the run time t of mean temperature T40 and compressor electric motor meets preparatory condition.
When mean temperature T40 is more than or equal to the first preset temperature T4s1And it is less than or equal to the second preset temperature T4s2And the operation of air conditioner
Time t is more than or equal to the second preset time ts2, or mean temperature T40 is less than the first preset temperature T4s1And the operation of air conditioner
Time t is more than or equal to the 3rd preset time ts3When, that is, work as T4s1≤T40≤T4s2And t >=ts2Or T40<T4s1And t >=ts3When,
Similarly, the reactive current of compressor electric motor is increased, and compressor electric motor is entered according to the maximum reactive current of compressor electric motor
Row control can improve the heating effect of air conditioner, improve the comfortableness of indoor environment to improve the caloric value of compressor electric motor.
In the process, when mean temperature T40 is more than or equal to the first preset temperature T4s1And it is less than or equal to the second preset temperature
T4s2And the run time t of air conditioner is less than the second preset time ts2, or mean temperature T40 is less than the first preset temperature T4s1
And the run time t of air conditioner is less than the 3rd preset time ts3When, that is, work as T4s1≤T40≤T4s2And t ＜ ts2Or T40<T4s1
And t ＜ ts3When, compressor electric motor keeps current state to run the 4th preset time B, when reaching the 4th preset time B, again
Timing, and start the judgement of a new round.
When the mean temperature T40 of compressor electric motor and the run time of compressor electric motor are unsatisfactory for four kinds of above-mentioned conditions
When, then control compressor electric motor to keep current state to run the 5th preset time C, when reaching the 5th preset time C, count again
When, and start the judgement of a new round.
In addition, when compressor electric motor is shut down, the zeros data of all records before, including timing time t, outdoor environment
Temperature T4 etc..After compressor electric motor starts, start record data again.
Specifically, according to one embodiment of present invention, as shown in Fig. 2 the control method bag of above-mentioned compressor electric motor
Include following steps：
S101, air conditioner start, compressor electric motor start.
S102, start timing.
S103, judges whether air conditioner is in heating mode.If it is, perform step S104；If not, perform step
S113。
S104, judges whether air conditioner performs defrost action.If it is, perform step S105；If not, perform step
S106。
S105, timing time are reset, and perform step S109.
S106, take the average value T40 of outdoor environment temperature in the first preset time A.
S107, judges whether mean temperature T40 is more than or equal to the first preset temperature T4s1And it is less than or equal to the second preset temperature
T4s2.If it is, perform step S108；If not, perform step S111.
S108, judges whether the run time t of air conditioner is more than or equal to the second preset time ts2.If it is, perform step
S109；If not, perform step S110.
S109, increase the reactive current of compressor electric motor.
S110, keep current state operation the 4th preset time B, return to step S102.
S111, judges whether mean temperature T40 is less than the first preset temperature T4s1.If it is, perform step S112；If
It is no, perform step S113.
S112, judges whether the run time t of air conditioner is more than or equal to the 3rd preset time ts3.If it is, perform step
S109；If not, perform step S110.
S113, judges whether the run time t of air conditioner is more than or equal to the 5th preset time C.If it is, perform step
S114；If not, return to step S102.
S114, timing time are reset, return to step S102.
In summary, the control method of compressor electric motor, works as air conditioner in the air conditioner proposed according to embodiments of the present invention
During in heating mode, first determine whether air conditioner performs defrost action, if it is, according to the peak value of compressor electric motor electricity
The maximum reactive current of stream calculation compressor electric motor, and compressor electric motor is carried out according to the maximum reactive current of compressor electric motor
Control to improve the caloric value of compressor electric motor；If it is not, then calculate outdoor in the first preset time after compressor electric motor starts
The mean temperature T40 of environment temperature, and meet preparatory condition in the run time for judging mean temperature T40 and compressor electric motor
When, according to the maximum reactive current of the peak point current of compressor electric motor calculating compressor electric motor, and according to compressor electric motor most
Big reactive current is controlled to compressor electric motor to improve the caloric value of compressor electric motor.Therefore, the sky of the embodiment of the present invention
The control method of compressor electric motor in device is adjusted to be pressed when air conditioner is in heating mode and performs defrost action by increasing
The reactive current of electromechanical machine of contracting improves the caloric value of compressor electric motor, so as to shorten the defrost time of air conditioner, and in sky
When adjusting device to be in heating mode and being not carried out defrost action, if during the operation of the mean temperature of outdoor environment and compressor electric motor
Between when meeting condition, improve the caloric value of compressor electric motor, heating refrigeration system by increasing the reactive current of compressor electric motor
Controlling cryogen, increase the output of heating capacity, so as to improve the heating effect of air conditioner, effectively improve relaxing for indoor environment
Adaptive, it is not necessary to increase complete machine cost.
Fig. 3 is the block diagram of the control device of compressor electric motor in the air conditioner according to the embodiment of the present invention.Such as Fig. 3
Shown, the control device of compressor electric motor includes in the air conditioner：Timer 10, temperature detecting module 20 and control module 30.
Wherein, timer 10 starts timing after compressor electric motor startup, and it is outer that temperature detecting module 20 is used for detection in real time
Environment temperature T4.Control module 30 judges whether air conditioner performs defrost action when air conditioner is in heating mode, wherein, such as
Fruit judges that air conditioner performs defrost action, and control module 30 then calculates compressor electric motor according to the peak point current of compressor electric motor 40
40 maximum reactive current, and compressor electric motor 40 is controlled according to the maximum reactive current of compressor electric motor 40 to improve
The caloric value of compressor electric motor 40；If it is determined that air conditioner is not carried out defrost action, control module 30 then calculates compressor electric motor
40 start after in the first preset time outdoor environment temperature mean temperature T40, and judging mean temperature T40 and compression electromechanics
When the run time of machine 40 meets preparatory condition, control module 30 calculates compressor electricity according to the peak point current of compressor electric motor 40
The maximum reactive current of machine 40, and compressor electric motor 40 is controlled to carry according to the maximum reactive current of compressor electric motor 40
The caloric value of high compressor motor 40.
According to one embodiment of present invention, preparatory condition includes：(1) mean temperature T40 is more than or equal to the first default temperature
Spend and be more than or equal to the second preset time less than or equal to the run time of the second preset temperature and air conditioner；Or (2) average temperature
Degree T40 is less than the first preset temperature and the run time of air conditioner is more than or equal to the 3rd preset time.
In addition, according to one embodiment of present invention, when the run time of mean temperature T40 and compressor electric motor 40 meets
During following either condition, control module 30 controls compressor electric motor 40 to keep current state to run the 4th preset time：(1) it is average
Temperature T40 is more than or equal to the first preset temperature and is less than second less than or equal to the run time of the second preset temperature and air conditioner
Preset time；Or (2) mean temperature T40 be less than the first preset temperature and air conditioner run time be less than the 3rd it is default when
Between.
Also, when mean temperature T40 and air conditioner run time are unsatisfactory for four kinds of above-mentioned conditions, then control compression
Electromechanical machine 40 keeps current state to run the 5th preset time.For example, when mean temperature T40 is more than the second preset temperature, by
Of a relatively high in outdoor environment temperature, now the heating capacity of air conditioner will not typically decay, therefore need not increase compressor
The reactive current of motor 40, but control compressor electric motor 40 to keep current state to run the 5th preset time, when reaching the 5th
After preset time, mean temperature T40 and air conditioner run time are judged again.
Preferably, the first preset time is the 1-10 seconds, and the second preset time is 2-4 hours, and the 3rd preset time is 0.5-1
Hour, the 4th preset time be the 1-5 seconds, and the 5th preset time C can be 5-15 minutes, and the first preset temperature is 3-5 DEG C, second
Preset temperature is 7-10 DEG C.
According to one embodiment of present invention, control module 30 is when judging that air conditioner performs defrost action, also by timing
The timing time of device 10 is reset.
Specifically, after compressor electric motor 40 starts, timing is started, and pass through the temperature detection of outdoor heat exchanger return air position
Module 20 detects outdoor environment temperature T4 in real time, then judges whether air conditioner is in heating mode, if air conditioner is in system
Heat pattern, judges whether air conditioner performs defrost action.
If air conditioner performs defrost action, the reactive current of compressor electric motor 40 is directly increased.Specifically, it is exactly
The outdoor environment temperature T4 first detected in real time according to temperature detecting module 20 obtains the load torque of compressor electric motor, due to air-conditioning
Electromagnetic torque is identical with load torque during device stable operation, therefore the active electricity of compressor electric motor 40 is calculated according to electromagnetic torque
Stream, the peak point current of compressor electric motor 40 is then calculated according to the active power of compressor electric motor 40, further according to compressor electric motor
40 peak point current calculates the maximum reactive current of compressor electric motor 40, finally by the maximum idle electricity of compressor electric motor 40
Stream is controlled to compressor electric motor, when the reactive current of compressor electric motor 40 increases, the coil hair of compressor electric motor 40
Heat increases, and so as to increase the output of heating capacity, can shorten the defrost time of air conditioner, improve the comfortableness of indoor environment.This
Outside, if air conditioner performs defrost action, also the timing time of timer 10 is reset.
If air conditioner is not carried out defrost action, calculate after compressor electric motor 40 starts in the first preset time A such as 5 seconds
The mean temperature T40 of outdoor environment temperature, then by mean temperature T40 and the first preset temperature T4s1, the second preset temperature
T4s2 is compared, and by the run time t of air conditioner compared with the second preset time t s2, the 3rd preset time t s3.
When outdoor environment temperature meets to require and the run time of air conditioner is unsatisfactory for requiring, control compressor electric motor 40 keeps current
Running status runs the 4th preset time B such as 2 seconds, rejudges；When the run time of outdoor environment temperature, air conditioner is satisfied by
After it is required that, the reactive current of compressor electric motor 40 is increased, and remains on the 4th preset time B such as 2 seconds, is rejudged；Work as room
External environment temperature, the run time of air conditioner are unsatisfactory for requiring, remain on the 5th preset time C such as 10 minutes, sentence again
Disconnected, timing time is reset.It should be noted that air conditioner occurs shutting down in the process of running or hang-up, defrost are shut down etc.
During situation, all record datas before are reset, and are counted again after air conditioner reset.
Further, as shown in Fig. 2 after the startup of compressor electric motor 40, timing is started, and pass through temperature detecting module 20
Detection outdoor environment temperature T4 in real time.Then control module 30 judges whether air conditioner is in heating mode, if at air conditioner
In heating mode, control module 30 judges whether air conditioner performs defrost action.
If air conditioner performs defrost action, into defrost pattern, the reactive current of increasing compressor electric motor 40, and root
Compressor electric motor 40 is controlled according to the maximum reactive current of compressor electric motor 40 to improve the caloric value of compressor electric motor 40,
Shorten the defrost time of air conditioner, can reduce the temperature of indoor heat exchanger during defrost causes indoor environment temperature because of reduction
The influence of fluctuation, improve the comfortableness of indoor environment.Meanwhile also the timing time of timer 10 is reset.
If air conditioner is not carried out defrost action, the first preset time A interior room outer shrouds after compressor electric motor 40 starts are calculated
The mean temperature T40 of border temperature, then judges whether the run time t of mean temperature T40 and compressor electric motor 40 meets to preset
Condition.When mean temperature T40 is more than or equal to the first preset temperature T4s1And it is less than or equal to the second preset temperature T4s2And air conditioner
Run time t be more than or equal to the second preset time ts2, or mean temperature T40 is less than the first preset temperature T4s1And air conditioner
Run time t be more than or equal to the 3rd preset time ts3When, that is, work as T4s1≤T40≤T4s2And t >=ts2Or T40<T4s1And t
≥ts3When, similarly, the reactive current of compressor electric motor 40 is increased, and according to the maximum reactive current of compressor electric motor 40 to pressure
The electromechanical machine 40 that contracts is controlled the heating effect that air conditioner can be improved to improve the caloric value of compressor electric motor 40, improves indoor
Environmental amenity.
In the process, when mean temperature T40 is more than or equal to the first preset temperature T4s1And it is less than or equal to the second preset temperature
T4s2And the run time t of air conditioner is less than the second preset time ts2, or mean temperature T40 is less than the first preset temperature T4s1
And the run time t of air conditioner is less than the 3rd preset time ts3When, that is, work as T4s1≤T40≤T4s2And t ＜ ts2Or T40<T4s1
And t ＜ ts3When, compressor electric motor 40 keeps current state to run the 4th preset time B, when reaching the 4th preset time B, weight
New timing, and start the judgement of a new round.
When the mean temperature T40 of compressor electric motor 40 and the run time of compressor electric motor 40 are unsatisfactory for four kinds of above-mentioned bars
During part, then compressor electric motor 40 is controlled to keep current state to run the 5th preset time C, when reaching the 5th preset time C, weight
New timing, and start the judgement of a new round.
In addition, when compressor electric motor 40 is shut down, it is all before record zeros datas, including timer 10 timing when
Between t, outdoor environment temperature T4 etc..After compressor electric motor 40 starts, start record data again.
The control device of compressor electric motor in air conditioner according to embodiments of the present invention, control module are in system in air conditioner
Judge whether air conditioner performs defrost action during heat pattern, if it is determined that air conditioner performs defrost action, control module then basis
The peak point current of compressor electric motor calculates the maximum reactive current of compressor electric motor, and according to the maximum idle electricity of compressor electric motor
Stream is controlled to compressor electric motor to improve the caloric value of compressor electric motor；If it is determined that air conditioner is not carried out defrost action,
Control module then calculates the mean temperature T40 of outdoor environment temperature in the first preset time after compressor electric motor starts, and is sentencing
When disconnected mean temperature T40 and compressor electric motor run time meet preparatory condition, control module is according to the peak of compressor electric motor
It is worth the maximum reactive current of Current calculation compressor electric motor, and according to the maximum reactive current of compressor electric motor to compressor electric motor
It is controlled to improve the caloric value of compressor electric motor.Therefore, in the air conditioner of the embodiment of the present invention compressor electric motor control
Device can be carried when air conditioner is in heating mode and performs defrost action by increasing the reactive current of compressor electric motor
The caloric value of high compressor motor, so as to shorten the defrost time of air conditioner, and it is in heating mode in air conditioner and does not hold
When row defrost acts, if the mean temperature of outdoor environment and the run time of compressor electric motor meet condition, pass through increasing
The reactive current of compressor electric motor improves the caloric value of compressor electric motor, heats refrigeration system refrigerant, increases heating capacity
Output, so as to improve the heating effect of air conditioner, effectively improves the comfortableness of indoor environment, it is not necessary to increase complete machine
Cost.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the control dress of above-mentioned compressor electric motor
Put.
The air conditioner can be when in heating mode and execution defrost action, by the idle electricity for increasing compressor electric motor
Stream improves the caloric value of compressor electric motor, so as to shortening the defrost time, and in heating mode and is being not carried out defrost and moves
It is electromechanical by increasing compression if the mean temperature of outdoor environment and the run time of compressor electric motor meet condition when making
The reactive current of machine improves the caloric value of compressor electric motor, so as in the case where not increasing cost improve heating effect,
Effectively improve the comfortableness of indoor environment.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (11)
1. the control method of compressor electric motor in a kind of air conditioner, it is characterised in that comprise the following steps：
After compressor electric motor startup, start timing, and detect outdoor environment temperature T4 in real time；
When the air conditioner is in heating mode, judge whether the air conditioner performs defrost action；
If it is, the maximum reactive current of the compressor electric motor is calculated according to the peak point current of the compressor electric motor, and
The compressor electric motor is controlled according to the maximum reactive current of the compressor electric motor to improve the compressor electric motor
Caloric value；
If it is not, then the mean temperature T40 of outdoor environment temperature in the first preset time after the compressor electric motor starts is calculated,
And when the run time for judging the mean temperature T40 and the compressor electric motor meets preparatory condition, according to the compression
The peak point current of electromechanical machine calculates the maximum reactive current of the compressor electric motor, and according to the maximum nothing of the compressor electric motor
Work(electric current is controlled to the compressor electric motor to improve the caloric value of the compressor electric motor.
2. the control method of compressor electric motor as claimed in claim 1, it is characterised in that the preparatory condition includes：
(1) the mean temperature T40 is more than or equal to the first preset temperature and is less than or equal to the second preset temperature and the air conditioner
Run time be more than or equal to the second preset time；Or
(2) the mean temperature T40 is less than first preset temperature and the run time of the air conditioner is more than or equal to the 3rd
Preset time.
3. the control method of compressor electric motor as claimed in claim 2, it is characterised in that when the mean temperature T40 and institute
When stating the run time of compressor electric motor and meeting following either condition, the compressor electric motor is controlled to keep current state operation the
Four preset times：
(1) the mean temperature T40 is more than or equal to first preset temperature and is less than or equal to second preset temperature and institute
The run time for stating air conditioner is less than second preset time；Or
(2) the mean temperature T40 is less than first preset temperature and the run time of the air conditioner is less than the described 3rd
Preset time.
4. the control method of compressor electric motor as claimed in claim 3, it is characterised in that first preset time is 1-10
Second, the 4th preset time is the 1-5 seconds.
5. the control method of compressor electric motor as claimed in claim 1, it is characterised in that judging the air conditioner execution institute
When stating defrost action, also timing time is reset.
A kind of 6. control device of compressor electric motor in air conditioner, it is characterised in that including：
Timer, the timer start timing after compressor electric motor startup；
Temperature detecting module, the temperature detecting module are used to detect external environment temperature T4 in real time；
Control module, the control module judge whether the air conditioner performs defrost when the air conditioner is in heating mode
Action, wherein,
If it is determined that the air conditioner performs the defrost action, the control module is then according to the peak value of the compressor electric motor
The maximum reactive current of compressor electric motor described in Current calculation, and according to the maximum reactive current of the compressor electric motor to described
Compressor electric motor is controlled to improve the caloric value of the compressor electric motor；
If it is determined that the air conditioner is not carried out the defrost action, the control module then calculates the compressor electric motor and started
Afterwards in the first preset time outdoor environment temperature mean temperature T40, and judging the mean temperature T40 and the compressor
When the run time of motor meets preparatory condition, the control module is according to calculating the peak point current of the compressor electric motor
The maximum reactive current of compressor electric motor, and the compressor electric motor is entered according to the maximum reactive current of the compressor electric motor
Row is controlled to improve the caloric value of the compressor electric motor.
7. the control device of compressor electric motor as claimed in claim 6, it is characterised in that the preparatory condition includes：
(1) the mean temperature T40 is more than or equal to the first preset temperature and is less than or equal to the second preset temperature and the air conditioner
Run time be more than or equal to the second preset time；Or
(2) the mean temperature T40 is less than first preset temperature and the run time of the air conditioner is more than or equal to the 3rd
Preset time.
8. the control device of compressor electric motor as claimed in claim 7, it is characterised in that when the mean temperature T40 and institute
When stating the run time of compressor electric motor and meeting following either condition, the control module controls the compressor electric motor to keep working as
Preceding state runs the 4th preset time：
(1) the mean temperature T40 is more than or equal to first preset temperature and is less than or equal to second preset temperature and institute
The run time for stating air conditioner is less than second preset time；Or
(2) the mean temperature T40 is less than first preset temperature and the run time of the air conditioner is less than the described 3rd
Preset time.
9. the control device of compressor electric motor as claimed in claim 8, it is characterised in that first preset time is 1-10
Second, the 4th preset time is the 1-5 seconds.
10. the control device of compressor electric motor as claimed in claim 6, it is characterised in that the control module is judging
When stating air conditioner and performing defrost action, also the timing time of the timer is reset.
11. a kind of air conditioner, it is characterised in that include the control of the compressor electric motor as any one of claim 6-10
Device.
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| CN201410821593.8A CN104596171B (en) | 2014-12-22 | 2014-12-22 | The control method and control device of compressor electric motor in air conditioner and air conditioner |
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| US9709311B2 (en) | 2015-04-27 | 2017-07-18 | Emerson Climate Technologies, Inc. | System and method of controlling a variable-capacity compressor |
| US9562710B2 (en) | 2015-04-27 | 2017-02-07 | Emerson Climate Technologies, Inc. | Diagnostics for variable-capacity compressor control systems and methods |
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| US10760814B2 (en) * | 2016-05-27 | 2020-09-01 | Emerson Climate Technologies, Inc. | Variable-capacity compressor controller with two-wire configuration |
| EP3425307A1 (en) * | 2017-07-03 | 2019-01-09 | Ningbo Geely Automobile Research & Development Co. Ltd. | A method for controlling a heat pump system |
| CN108800489B (en) * | 2018-06-20 | 2020-12-22 | 广东美的制冷设备有限公司 | Control method and device for heating compressor winding |
| CN108954730B (en) * | 2018-06-20 | 2021-04-20 | 广东美的制冷设备有限公司 | Control method and device for heating compressor winding |
| CN108931042B (en) * | 2018-06-20 | 2021-09-21 | 广东美的制冷设备有限公司 | Control method and device for heating compressor winding |
| CN108847759B (en) * | 2018-06-20 | 2020-06-05 | 广东美的制冷设备有限公司 | Control method and device for heating compressor winding |
| CN109059192B (en) * | 2018-06-20 | 2021-04-20 | 广东美的制冷设备有限公司 | Control method and device for heating compressor winding |
| CN108917094A (en) * | 2018-07-18 | 2018-11-30 | 奥克斯空调股份有限公司 | A kind of defrosting control method, device and air conditioner |
| CN111141001B (en) * | 2019-12-31 | 2021-08-24 | Tcl空调器(中山)有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN112963942B (en) * | 2021-03-22 | 2022-03-29 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device, air conditioner and storage medium |
| CN114517956B (en) * | 2022-03-31 | 2024-06-04 | 北京小米移动软件有限公司 | Air conditioner, compressor and control method and device thereof |
| CN115468276A (en) * | 2022-09-30 | 2022-12-13 | 珠海格力电器股份有限公司 | Defrosting control device and device of air conditioner and storage medium |
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