CN107101345A - Air conditioner and its compressor shutdown control method and computer-readable recording medium - Google Patents
Air conditioner and its compressor shutdown control method and computer-readable recording medium Download PDFInfo
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- CN107101345A CN107101345A CN201710415841.2A CN201710415841A CN107101345A CN 107101345 A CN107101345 A CN 107101345A CN 201710415841 A CN201710415841 A CN 201710415841A CN 107101345 A CN107101345 A CN 107101345A
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- compressor
- rotor
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- stress
- minimum
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Classifications
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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
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F25B49/022—Compressor control arrangements
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of cooler compressor halt control method, the cooler compressor halt control method comprises the following steps：Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；When the rotor-position of the compressor is in the minimum rotor phase of the stress, control the compressor out of service.The invention also discloses a kind of air conditioner and computer-readable recording medium.The rotor-position during the present invention each compressor shutdown of guarantee is close, and vibration stress when shutting down is consistent, it is ensured that the stability of compressor, improves the life-span of compressor.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to air conditioner and its compressor shutdown control method and calculating
Machine readable storage medium storing program for executing.
Background technology
In frequency-conversion air-conditioning system, a refrigerant press cycles of frequency-changeable compressor include：The refrigerant of low-temp low-pressure is from cold
Condenser enters compressor suction duct, is gradually compressed into the refrigerant of HTHP, is then discharged rapidly by exhaust outlet of compressor
To evaporator.In the different phase (out of phase of compressor operation) of refrigerant press cycles, refrigerant pressure is differed.At present,
When convertible frequency air-conditioner is shut down, being shut down in the arbitrary phase of compressor drum will cause compressor to shut down the vibration stress of generation every time not
Unanimously, the stability of compressor can be damaged, shortens the compressor life-span.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to provide a kind of air conditioner and its compressor shutdown control method and computer-readable
Storage medium, it is intended to when solving current convertible frequency air-conditioner shutdown, shuts down in the arbitrary phase of compressor drum and compressor will be caused every
The secondary vibration stress produced of shutting down is inconsistent, can damage the stability of compressor, shorten the technical problem in compressor life-span.
To achieve the above object, the present invention provides a kind of cooler compressor halt control method, the air conditioner compression
Machine halt control method comprises the following steps：
Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；
After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；
When the rotor-position of the compressor is in the minimum rotor phase of the stress, the compressor is controlled to stop
Operation.
Preferably, it is described to enable the step of rotor-position sensor determines compressor stress minimum rotor phase and include：
Enable rotor-position sensor, control runs to after each phase of compressor drum and shut down, and detect and run to
Each phase-compression machine shut down when corresponding stress value；
According to each phase of compressor drum and the stress value correspondingly detected, determine that compressor drum stress value is minimum
Rotor phase.
Preferably, it is described after compressor halt instruction is received, enable rotor-position sensor and obtain the compressor
Rotor-position after, in addition to：
When the rotor-position of the compressor is not in the minimum rotor phase of the stress, control compressor is with current
Frequency run.
Preferably, when the rotor-position of the compressor is in the minimum rotor phase of the stress, the pressure is controlled
Before contracting machine is out of service, in addition to：
Judge whether the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum；
When the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum, the compressor is judged
Rotor-position is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, the compressor is judged
Rotor-position be not in the minimum rotor phase of the stress.
Preferably, when the rotor-position of the compressor is in the minimum rotor phase of the stress, the pressure is controlled
Before contracting machine is out of service, in addition to：
Calculate the rotor-position and the phase difference of the rotor phase of stress minimum of the compressor；
When the phase difference is less than the first preset phase deviation threshold, judge that the rotor-position of the compressor is in institute
State the minimum rotor phase of stress；
When the phase difference is more than or equal to the first preset phase deviation threshold, the rotor-position of the compressor is judged
It is not in the minimum rotor phase of the stress.
Preferably, when the rotor-position in the compressor is in the stress minimum rotor phase, institute is controlled
State compressor it is out of service after, in addition to：
Control compressor operating；
When receiving compressor shutdown instruction, enable rotor-position sensor and obtain the current rotor position of the compressor
Rotor-position when putting, and obtaining last compressor shutdown；
The difference of rotor-position when calculating current rotor-position with last compressor shutdown；
When the difference is less than the second preset phase deviation threshold, judge the rotor-position of the compressor in described
The minimum rotor phase of stress；
When the difference is more than or equal to the second preset phase deviation threshold, the rotor-position of the compressor is judged not
In the rotor phase that the stress is minimum；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and in the difference
Value is less than the second preset phase deviation threshold, and the difference of the current rotor-position rotor phase minimum with profit is less than described the
One preset phase deviation threshold.
Preferably, when the rotor-position in the compressor is not in the stress minimum rotor phase, control
After the step of compressor is operated with current frequency, in addition to：
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until the rotor position of compressor
When putting in the minimum rotor phase of the stress, stop the rotor-position of detection compressor, and control compressor shutdown.
Preferably, when the rotor-position in the compressor is in the stress minimum rotor phase, institute is controlled
After stating compressor step out of service, in addition to:
By the rotor-position storage of the compressor in the minimum rotor phase of the stress, by turning for the compressor of storage
Sub- position is recorded as the rotor phase of stress minimum compressor is shut down next time when；To receive compressor stopping next time
During instruction, when the rotor-position of compressor is in the rotor phase of record, compressor shutdown is controlled.
In addition, to achieve the above object, the present invention also provides a kind of air conditioner, and the air conditioner includes：Memory, processing
The cooler compressor that device and being stored in can be run on the memory and on the processor shuts down control program, the sky
Realize that cooler compressor as described above shuts down controlling party when adjusting device compressor shutdown control program by the computing device
The step of method.
In addition, to achieve the above object, the present invention also provides a kind of computer-readable recording medium, described computer-readable
The cooler compressor that is stored with storage medium shuts down control program, and the cooler compressor shuts down control program by processor
The step of cooler compressor halt control method as described above is realized during execution.
The present invention rotor phase minimum by determining compressor stress, according to each pressure of the rotor phase of determination control
Rotor-position when contracting machine is shut down, just stops compressor, it is ensured that every when the rotor-position of compressor is in the rotor phase
Rotor-position when second compression machine is shut down is close, and vibration stress when shutting down is consistent, it is ensured that the stability of compressor, improves
The life-span of compressor.
Brief description of the drawings
Fig. 1 be the hardware running environment that scheme of the embodiment of the present invention is related to terminal apparatus structure schematic diagram；
Fig. 2 is the schematic flow sheet of cooler compressor halt control method first embodiment of the present invention；
Fig. 3 is the schematic flow sheet of cooler compressor halt control method second embodiment of the present invention；
Fig. 4 is the refrigerant pressure schematic diagram of compressor in one embodiment of the invention；
Fig. 5 be one embodiment of the invention in compressor shutdown when stress curve synoptic diagram.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are：Enable rotor-position sensor and determine minimum turn of compressor stress
Sub- phase；After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；
When the rotor-position of the compressor is in the stress minimum rotor phase, control the compressor out of service.
When there is convertible frequency air-conditioner shutdown due to prior art, compressor will be caused by being shut down in the arbitrary phase of compressor drum
The vibration stress produced is shut down every time inconsistent, can damage the stability of compressor, shorten the technical problem in compressor life-span.
Therefore, the present invention provides a solution, the rotor phase minimum by determining compressor stress, true according to this
Fixed rotor phase controls rotor-position during each compressor shutdown, and the rotor phase is in the rotor-position of compressor
When just stop compressor, it is ensured that rotor-position during each compressor shutdown is close, and vibration stress when shutting down is consistent, it is ensured that
The stability of compressor, improves the life-span of compressor.
As shown in figure 1, Fig. 1 is the terminal structure schematic diagram for the hardware running environment that scheme of the embodiment of the present invention is related to.
Terminal of the embodiment of the present invention can be PC or smart mobile phone, tablet personal computer, E-book reader, MP3
(Moving Picture Experts Group Audio Layer III, dynamic image expert's compression standard audio aspect 3)
Player, MP4 (Moving Picture Experts Group Audio Layer IV, dynamic image expert's compression standard sound
Frequency aspect 3) player, pocket computer etc. have the packaged type terminal device of display function.
As shown in figure 1, the terminal can include：Processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is used to realize the connection communication between these components.
User interface 1003 can include display screen (Display), input block such as keyboard (Keyboard), optional user interface
1003 can also include wireline interface, the wave point of standard.Network interface 1004 can optionally connect including the wired of standard
Mouth, wave point (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory or stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
Alternatively, terminal can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor, audio
Circuit, WiFi module etc..Wherein, sensor ratio such as optical sensor, motion sensor and other sensors.Specifically, light
Sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can according to the light and shade of ambient light come
The brightness of display screen is adjusted, proximity transducer can close display screen and/or backlight when mobile terminal is moved in one's ear.As
One kind of motion sensor, gravity accelerometer can detect in all directions the size of (generally three axles) acceleration, quiet
Size and the direction of gravity are can detect that when only, application (such as horizontal/vertical screen switching, correlation available for identification mobile terminal posture
Game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Certainly, mobile terminal can also match somebody with somebody
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared ray sensor, Dorothy Holman sensor are put, herein no longer
Repeat.
It will be understood by those skilled in the art that the restriction of the terminal structure shown in Fig. 1 not structure paired terminal, can be wrapped
Include than illustrating more or less parts, either combine some parts or different parts arrangement.
As shown in figure 1, leading to as operating system, network can be included in a kind of memory 1005 of computer-readable storage medium
Believe that module, Subscriber Interface Module SIM and cooler compressor shut down control application program.
In the terminal shown in Fig. 1, network interface 1004 is mainly used in connecting background server, is carried out with background server
Data communication；User interface 1003 is mainly used in connection client (user terminal), and row data communication is entered with client；And processor
1001 can be used for calling the cooler compressor stored in memory 1005 to shut down control application program, and perform following grasp
Make：
Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；
After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；
When the rotor-position of the compressor is in the minimum rotor phase of the stress, the compressor is controlled to stop
Operation.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
Enable rotor-position sensor, control runs to after each phase of compressor drum and shut down, and detect and run to
Each phase-compression machine shut down when corresponding stress value；
According to each phase of compressor drum and the stress value correspondingly detected, determine that compressor drum stress value is minimum
Rotor phase.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
When the rotor-position of the compressor is not in the minimum rotor phase of the stress, control compressor is with current
Frequency run.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
Judge whether the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum；
When the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum, the compressor is judged
Rotor-position is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, the compressor is judged
Rotor-position be not in the minimum rotor phase of the stress.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
Calculate the rotor-position and the phase difference of the rotor phase of stress minimum of the compressor；
When the phase difference is less than the first preset phase deviation threshold, judge that the rotor-position of the compressor is in institute
State the minimum rotor phase of stress；
When the phase difference is more than or equal to the first preset phase deviation threshold, the rotor-position of the compressor is judged
It is not in the minimum rotor phase of the stress.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
Control compressor operating；
When receiving compressor shutdown instruction, enable rotor-position sensor and obtain the current rotor position of the compressor
Rotor-position when putting, and obtaining last compressor shutdown；
The difference of rotor-position when calculating current rotor-position with last compressor shutdown；
When the difference is less than the second preset phase deviation threshold, judge the rotor-position of the compressor in described
The minimum rotor phase of stress；
When the difference is more than or equal to the second preset phase deviation threshold, the rotor-position of the compressor is judged not
In the rotor phase that the stress is minimum；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and in the difference
Value is less than the second preset phase deviation threshold, and the difference of the current rotor-position rotor phase minimum with profit is less than described the
One preset phase deviation threshold.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until the rotor position of compressor
When putting in the minimum rotor phase of the stress, stop the rotor-position of detection compressor, and control compressor shutdown.
Further, processor 1001 can call the cooler compressor stored in memory 1005 to shut down control application
Program, also performs following operate：
By the rotor-position storage of the compressor in the minimum rotor phase of the stress, by turning for the compressor of storage
Sub- position is recorded as the rotor phase of stress minimum compressor is shut down next time when；To receive compressor stopping next time
During instruction, when the rotor-position of compressor is in the rotor phase of record, compressor shutdown is controlled.
Reference picture 2, the first embodiment of the present invention provides a kind of cooler compressor halt control method, the air conditioner
Compressor shutdown control method includes：
Step S10, enables rotor-position sensor and determines the minimum rotor phase of compressor stress；
In an embodiment of the present invention, rotor-position sensor, the rotor-position sensor are set in air-conditioner outdoor unit
But the sensors such as hall position sensor, rotary transformer, the rotor-position sensor is used for detecting compressor drum
Phase, rotor phase is the rotor-position of angle, i.e. compressor that compressor drum is rotated.Opening the compressor of air conditioner
Afterwards, or it needs to be determined that after the minimum rotor phase of compressor stress, enabling rotor-position sensor and determining compressor stress
Minimum rotor phase.The compressor stress is compressor piping stress.
According to one embodiment of the invention, the minimum rotor-position of compressor stress is the minimum position of load, described negative
Carrying minimum position is：Rotor of the minimum rotor phase of compressor load for compressor at the end of an air-breathing and exhaust
Put, i.e., compressor be vented in a Machine cycle at the end of rotor-position, in a Machine cycle be vented at the end of lead to
Cross rotor-position sensor detection and obtain rotor phase, labeled as the rotor phase that compressor stress is minimum.
It should be noted that in the refrigerant press cycles of a compressor, the refrigerant of low-temp low-pressure enters from condenser
The air intake duct of compressor, is gradually compressed into the refrigerant of HTHP, then passes through rapid release after the exhaust of compressor to steaming
Device is sent out, the load pressure of compressor reaches minimum after refrigerant release.Therefore, the minimum rotor phase of compressor load is cold
After matchmaker's release, that is, the compressor drum phase at the end of being vented now obtains stress most by rotor-position sensor detection
Small rotor phase.
According to one embodiment of present invention, by the minimum value of the torque current amplitude for obtaining compressor or it can pass through
The minimum value of compensated torque amplitude of compressor is obtained to obtain the rotor phase that compressor load is minimum.It should be appreciated that
When compressor operating is near the minimum rotor phase of load, corresponding torque current amplitude also should be able to be smaller.Therefore, exist
In the case of rotating speed control smoothly, if the torque current amplitude of compressor is minimum, then it is assumed that the rotor of compressor is in load
Minimum rotor phase, now, is detected by rotor-position sensor and obtains the minimum rotor phase of stress.
According to one embodiment of the present invention, the rotor-position sensor that enables determines minimum turn of compressor stress
The step of sub- phase, includes：Rotor-position sensor is enabled, control runs to after each phase of compressor drum and shut down, that is, controls
Compressor drum is often rotated and shut down after an angle, and detects corresponding stress when each phase-compression machine run to is shut down
Value；According to each phase of compressor drum and the stress value correspondingly detected, determine that compressor drum stress value is minimum and turn
Sub- phase.Detect that the every phase of compressor drum carries out shutdown operation by rotor-position sensor, and measure one and push
The stress value of contracting machine, measures stress value according to each phase and determines the minimum corresponding rotor phase of a stress value, the rotor phase
Position is the minimum rotor phase of stress.The rotor phase of stress minimum in the present embodiment is examined by the rotor-position sensor of hardware
Measure, rather than reckoning is gone according to software, the rotor phase provided is the position that true rotor is run to.
Step S20, after compressor halt instruction is received, enables rotor-position sensor and obtains turning for the compressor
Sub- position；
In air conditioner running, compressor shutdown instruction is received, after compressor halt instruction is received, enables and turns
Sub- position sensor obtains the rotor-position of the compressor.Mentioned here enable is not meant to open, but opens it
Afterwards, it may leave unused, but when needed, enable rotor sensor and go to detect rotor-position.Rotor-position in the present embodiment, be
Receive after compressor shutdown instruction, obtained by the rotor-position sensor detection of hardware, detect obtained turning for compressor
Sub- rotational angle (rotor phase).
Step S30, when the rotor-position of the compressor is in the minimum rotor phase of the stress, controls the pressure
Contracting machine is out of service.
Judging process of the rotor-position in the minimum rotor phase of the stress of compressor includes：1) pressure is judged
Whether the rotor-position of contracting machine is consistent with the rotor phase that the stress is minimum；Answered in the rotor-position of the compressor with described
When the minimum rotor phase of power is consistent, judge that the rotor-position of the compressor is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, the rotor-position of the compressor is judged
It is not in the minimum rotor phase of the stress.2) rotor-position and turn that the stress is minimum of the compressor are calculated
The phase difference of sub- phase；When the phase difference is less than the first preset phase deviation threshold, the rotor position of the compressor is judged
Put in the minimum rotor phase of the stress；When the phase difference is more than or equal to the first preset phase deviation threshold, sentence
The rotor-position of the fixed compressor is not in the minimum rotor phase of the stress.3) the minimum rotor phase of the stress is
One phase interval, when rotor-position falls into phase interval, judges that the rotor-position of the compressor is in the stress most
Small rotor phase；When rotor-position is in outside phase interval, judge the compressor rotor-position be not in it is described
The minimum rotor phase of stress.
Further, according to one embodiment of present invention, it is not in the stress in the rotor-position of the compressor
During the rotor phase of minimum, control compressor is operated with current frequency, or receives control instruction, corresponding according to control instruction
Parameter is operated.
That is, just stopping compressor in the minimum rotor phase of compressor stress.Specifically, when air conditioner is received
To after compressor shutdown signal, and after the controller of air conditioner sends compressor shutdown signal, controller starts control pressure
Contracting machine is shut down, during air conditioner is compressor shutdown, the rotor-position of compressor is obtained, if the rotor of compressor is in
The minimum rotor phase of stress, then control compressor out of service immediately；Otherwise, if the rotor of compressor is not in stress most
Small rotor phase, then control compressor to continue to run with current frequency；Until the rotor of compressor is in compressor stress most
Small rotor phase controls compressor shutdown again, i.e., when the rotor of current compressor is not in the minimum rotor phase of stress
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until the rotor-position of compressor is in institute
When stating the rotor phase of stress minimum, stop the rotor-position of detection compressor, and control compressor shutdown.
In an embodiment of the present invention, in order to further reduce stress during compressor shutdown, the steady of compressor is improved
It is qualitative.When the rotor of compressor is not in the minimum rotor phase of stress, the rotor-position and stress of current compressor are calculated
The phase difference of minimum rotor phase, when phase difference is less than default value, reduces the frequency of compressor, and reduction frequency can be by
Step-length according to setting is gradually reduced, or is gradually reduced according to the step-length of the corresponding out of phase difference of setting, until compressor
Frequency reaches lowest threshold, or shuts down.The default value and lowest threshold are set with compressor performance according to demand.
The rotor phase minimum by determining compressor stress of compressor shutdown control in the present embodiment, according to the determination
Rotor phase control each compressor shutdown when rotor-position, compressor rotor-position be in the rotor phase when
Just stop compressor, it is ensured that rotor-position during each compressor shutdown is close, and vibration stress when shutting down is consistent, it is ensured that pressure
The stability of contracting machine, improves the life-span of compressor.
Further, reference picture 3, the second embodiment of the present invention provides a kind of cooler compressor halt control method,
Based on the embodiment shown in above-mentioned Fig. 2, the rotor-position in the compressor is in the minimum rotor phase of the stress
When, after controlling the compressor out of service, in addition to：
Step S40, controls compressor operating；
Step S50, when receiving compressor shutdown instruction, enables the rotor-position sensor acquisition compressor current
Rotor-position, and rotor-position when obtaining last compressor shutdown；
Step S60, the difference of rotor-position when calculating current rotor-position with last compressor shutdown；
Step S70, when the difference is less than the second preset phase deviation threshold, judges the rotor-position of the compressor
In the rotor phase that the stress is minimum；
Step S80, when the difference is more than or equal to the second preset phase deviation threshold, judges turning for the compressor
Sub- position is not in the minimum rotor phase of the stress；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and in the difference
Value is less than the second preset phase deviation threshold, and the difference of the current rotor-position rotor phase minimum with profit is less than described the
One preset phase deviation threshold.
The difference of the present embodiment and above-described embodiment is that shutting down each time is come with rotor-position during last time shutdown
As the phase value that stress is minimum, and corresponding phase deviation threshold value can be set, the phase deviation threshold value simply set can than with
The deviation of the rotor phase initially determined that needs more accurate, it is allowed to deviation it is smaller, i.e., to ensure by different rotors
The reference mode put, also in the allowed band of the setting of the minimum rotor phase of the stress initially determined that.According to stress most
After small rotor phase control compressor shutdown, the rotor-position of the compressor in the minimum rotor phase of the stress is deposited
Storage, the rotor phase for the stress minimum rotor-position of the compressor of storage being recorded as compressor is shut down next time when；With
When receiving compressor halt instruction next time, when the rotor-position of compressor is in the rotor phase of record, control compression
Machine is shut down.
Specifically, in order to preferably describe the embodiment of the present invention, with reference to Fig. 4 and Fig. 5, Fig. 4 is certain compressor in certain operating mode
Different rotor phase refrigerant pressure (air resistance square), courseware, in different rotor phase corresponding refrigerant pressure during lower 80Hz operations
Power is differed, and in cyclically-varying；Fig. 5 is stress relation curve when certain compressor different rotor phase-compression machine is shut down, can
See, the stress difference that compressor is produced is stopped in different rotor phase.And the scheme for passing through the above embodiment of the present invention, it is ensured that
When shutting down every time, compressor drum position is close, and stress is identical, is not in big deviation, it is ensured that the stability of compressor, enters
And improve the life-span of compressor.
In one embodiment, a kind of air conditioner is proposed, the air conditioner includes：Memory, processor and it is stored in described deposit
On reservoir and the cooler compressor that can run on the processor shuts down control program, the cooler compressor shuts down control
Processing procedure sequence is realized following operation during the computing device：
Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；Receiving compressor halt instruction
Afterwards, the rotor-position that rotor-position sensor obtains the compressor is enabled；It is in the rotor-position of the compressor described
During the rotor phase of stress minimum, control the compressor out of service.
In an embodiment of the present invention, rotor-position sensor, the rotor-position sensor are set in air-conditioner outdoor unit
But the sensors such as hall position sensor, rotary transformer, the rotor-position sensor is used for detecting compressor drum
Phase.After the compressor of air conditioner is opened, or it needs to be determined that after the minimum rotor phase of compressor stress, enabling rotor
Position sensor determines the minimum rotor phase of compressor stress.
According to one embodiment of the invention, the minimum rotor-position of compressor stress is the minimum position of load, described negative
Carrying minimum position is：Rotor of the minimum rotor phase of compressor load for compressor at the end of an air-breathing and exhaust
Put, i.e., compressor be vented in a Machine cycle at the end of rotor-position, in a Machine cycle be vented at the end of lead to
Cross rotor-position sensor detection and obtain rotor phase, labeled as the rotor phase that compressor stress is minimum.
It should be noted that in the refrigerant press cycles of a compressor, the refrigerant of low-temp low-pressure enters from condenser
The air intake duct of compressor, is gradually compressed into the refrigerant of HTHP, then passes through rapid release after the exhaust of compressor to steaming
Device is sent out, the load pressure of compressor reaches minimum after refrigerant release.Therefore, the minimum rotor phase of compressor load is cold
After matchmaker's release, that is, the compressor drum phase at the end of being vented now obtains stress most by rotor-position sensor detection
Small rotor phase.
According to one embodiment of the present invention, the minimum value of the torque current amplitude for obtaining compressor or logical can be passed through
The minimum value for the compensated torque amplitude for obtaining compressor is crossed to obtain the rotor phase that compressor load is minimum.It should be understood that
It is that, when compressor operating is near the minimum rotor phase of load, corresponding torque current amplitude also should be able to be smaller.Cause
This, in the case of rotating speed control smoothly, if the torque current amplitude of compressor is minimum, then it is assumed that the rotor of compressor is in
Minimum rotor phase is loaded, now, is detected by rotor-position sensor and obtains the minimum rotor phase of stress.
According to one embodiment of the present invention, the rotor-position sensor that enables determines minimum turn of compressor stress
The step of sub- phase, includes：Rotor-position sensor is enabled, control runs to after each phase of compressor drum and shut down, and detects
Corresponding stress value when each phase-compression machine run to is shut down；According to each phase of compressor drum and correspondence detection
The stress value arrived, determines the minimum rotor phase of compressor drum stress value.Detect that compressor turns by rotor-position sensor
The every phase of son carries out shutdown operation, and measures the stress value of compressor, and it is true to measure stress value according to each phase
The fixed minimum corresponding rotor phase of a stress value, the rotor phase is the minimum rotor phase of stress.Answering in the present embodiment
The minimum rotor phase of power is obtained by the rotor-position sensor detection of hardware, rather than goes reckoning according to software, and what is provided turns
Sub- phase is the position that true rotor is run to.
In air conditioner running, compressor shutdown instruction is received, after compressor halt instruction is received, enables and turns
Sub- position sensor obtains the rotor-position of the compressor.Mentioned here enable is not meant to open, but opens it
Afterwards, it may leave unused, but when needed, enable rotor sensor and go to detect rotor-position.Rotor-position in the present embodiment, be
Receive after compressor shutdown instruction, obtained by the rotor-position sensor detection of hardware.
Judging process of the rotor-position in the minimum rotor phase of the stress of compressor includes：1) pressure is judged
Whether the rotor-position of contracting machine is consistent with the rotor phase that the stress is minimum；Answered in the rotor-position of the compressor with described
When the minimum rotor phase of power is consistent, judge that the rotor-position of the compressor is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, the rotor-position of the compressor is judged
It is not in the minimum rotor phase of the stress.2) rotor-position and turn that the stress is minimum of the compressor are calculated
The phase difference of sub- phase；When the phase difference is less than the first preset phase deviation threshold, the rotor position of the compressor is judged
Put in the minimum rotor phase of the stress；When the phase difference is more than or equal to the first preset phase deviation threshold, sentence
The rotor-position of the fixed compressor is not in the minimum rotor phase of the stress.3) the minimum rotor phase of the stress is
One phase interval, when rotor-position falls into phase interval, judges that the rotor-position of the compressor is in the stress most
Small rotor phase；When rotor-position is in outside phase interval, judge the compressor rotor-position be not in it is described
The minimum rotor phase of stress.
Further, according to one embodiment of present invention, it is not in the stress in the rotor-position of the compressor
During the rotor phase of minimum, control compressor is operated with current frequency, or receives control instruction, corresponding according to control instruction
Parameter is operated.
That is, just stopping compressor in the minimum rotor phase of compressor stress.Specifically, when air conditioner is received
To after compressor shutdown signal, and after the controller of air conditioner sends compressor shutdown signal, controller starts control pressure
Contracting machine is shut down, during air conditioner is compressor shutdown, the rotor-position of compressor is obtained, if the rotor of compressor is in
The minimum rotor phase of stress, then control compressor out of service immediately；Otherwise, if the rotor of compressor is not in stress most
Small rotor phase, then control compressor to continue to run with current frequency；Until the rotor of compressor is in compressor stress most
Small rotor phase controls compressor shutdown again, i.e., when the rotor of current compressor is not in the minimum rotor phase of stress
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until the rotor-position of compressor is in institute
When stating the rotor phase of stress minimum, stop the rotor-position of detection compressor, and control compressor shutdown.
In an embodiment of the present invention, in order to further reduce stress during compressor shutdown, the steady of compressor is improved
It is qualitative.When the rotor of compressor is not in the minimum rotor phase of stress, the rotor-position and stress of current compressor are calculated
The phase difference of minimum rotor phase, when phase difference is less than default value, reduces the frequency of compressor, and reduction frequency can be by
Step-length according to setting is gradually reduced, or is gradually reduced according to the step-length of the corresponding out of phase difference of setting, until compressor
Frequency reaches lowest threshold, or shuts down.The default value and lowest threshold are set with compressor performance according to demand.
The rotor phase minimum by determining compressor stress of compressor shutdown control in the present embodiment, according to the determination
Rotor phase control each compressor shutdown when rotor-position, compressor rotor-position be in the rotor phase when
Just stop compressor, it is ensured that rotor-position during each compressor shutdown is close, and vibration stress when shutting down is consistent, it is ensured that pressure
The stability of contracting machine, improves the life-span of compressor.
Further, when the rotor-position in the compressor is in the stress minimum rotor phase, control
After the compressor is out of service, it is as follows by realization during the computing device that the cooler compressor shuts down control program
Operation：
Control compressor operating；When receiving compressor shutdown instruction, enable rotor-position sensor and obtain the pressure
The current rotor-position of contracting machine, and rotor-position when obtaining last compressor shutdown；
The difference of rotor-position when calculating current rotor-position with last compressor shutdown；It is less than in the difference
During the second preset phase deviation threshold, judge that the rotor-position of the compressor is in the minimum rotor phase of the stress；
When the difference is more than or equal to the second preset phase deviation threshold, judge that the rotor-position of the compressor is not in described answer
The minimum rotor phase of power；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and in the difference
Value is less than the second preset phase deviation threshold, and the difference of the current rotor-position rotor phase minimum with profit is less than described the
One preset phase deviation threshold.
The difference of the present embodiment and above-described embodiment is that shutting down each time is come with rotor-position during last time shutdown
As the phase value that stress is minimum, and corresponding phase deviation threshold value can be set, the phase deviation threshold value simply set can than with
The deviation of the rotor phase initially determined that needs more accurate, it is allowed to deviation it is smaller, i.e., to ensure by different rotors
The reference mode put, also in the allowed band of the setting of the minimum rotor phase of the stress initially determined that.According to stress most
After small rotor phase control compressor shutdown, the rotor-position of the compressor in the minimum rotor phase of the stress is deposited
Storage, the rotor phase for the stress minimum rotor-position of the compressor of storage being recorded as compressor is shut down next time when；With
When receiving compressor halt instruction next time, when the rotor-position of compressor is in the rotor phase of record, control compression
Machine is shut down.
In addition, the embodiment of the present invention also proposes a kind of computer-readable recording medium, the computer-readable recording medium
On the cooler compressor that is stored with shut down control program, the cooler compressor is shut down real when control program is executed by processor
Now following operation：
Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；
After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；
When the rotor-position of the compressor is in the minimum rotor phase of the stress, the compressor is controlled to stop
Operation.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
Enable rotor-position sensor, control runs to after each phase of compressor drum and shut down, and detect and run to
Each phase-compression machine shut down when corresponding stress value；
According to each phase of compressor drum and the stress value correspondingly detected, determine that compressor drum stress value is minimum
Rotor phase.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
When the rotor-position of the compressor is not in the minimum rotor phase of the stress, control compressor is with current
Frequency run.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
Judge whether the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum；
When the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum, the compressor is judged
Rotor-position is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, the compressor is judged
Rotor-position be not in the minimum rotor phase of the stress.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
Calculate the rotor-position and the phase difference of the rotor phase of stress minimum of the compressor；
When the phase difference is less than the first preset phase deviation threshold, judge that the rotor-position of the compressor is in institute
State the minimum rotor phase of stress；
When the phase difference is more than or equal to the first preset phase deviation threshold, the rotor-position of the compressor is judged
It is not in the minimum rotor phase of the stress.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
Control compressor operating；
When receiving compressor shutdown instruction, enable rotor-position sensor and obtain the current rotor position of the compressor
Rotor-position when putting, and obtaining last compressor shutdown；
The difference of rotor-position when calculating current rotor-position with last compressor shutdown；
When the difference is less than the second preset phase deviation threshold, judge the rotor-position of the compressor in described
The minimum rotor phase of stress；
When the difference is more than or equal to the second preset phase deviation threshold, the rotor-position of the compressor is judged not
In the rotor phase that the stress is minimum；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and in the difference
Value is less than the second preset phase deviation threshold, and the difference of the current rotor-position rotor phase minimum with profit is less than described the
One preset phase deviation threshold.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until the rotor position of compressor
When putting in the minimum rotor phase of the stress, stop the rotor-position of detection compressor, and control compressor shutdown.
Further, the cooler compressor is shut down when control program is executed by processor and also realizes following operation：
By the rotor-position storage of the compressor in the minimum rotor phase of the stress, by turning for the compressor of storage
Sub- position is recorded as the rotor phase of stress minimum compressor is shut down next time when；To receive compressor stopping next time
During instruction, when the rotor-position of compressor is in the rotor phase of record, compressor shutdown is controlled.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of cooler compressor halt control method, it is characterised in that the cooler compressor halt control method bag
Include following steps：
Enable rotor-position sensor and determine the minimum rotor phase of compressor stress；
After compressor halt instruction is received, the rotor-position that rotor-position sensor obtains the compressor is enabled；
When the rotor-position of the compressor is in the minimum rotor phase of the stress, the compressor is controlled to stop fortune
OK.
2. cooler compressor halt control method as claimed in claim 1, it is characterised in that described to enable rotor-position biography
The step of sensor determines compressor stress minimum rotor phase includes：
Enable rotor-position sensor, control runs to after each phase of compressor drum and shut down, and detect run to every
Corresponding stress value when individual phase-compression machine is shut down；
According to each phase of compressor drum and the stress value correspondingly detected, determine that compressor drum stress value is minimum and turn
Sub- phase.
3. cooler compressor halt control method as claimed in claim 1 or 2, it is characterised in that described to receive pressure
After contracting machine halt instruction, after the rotor-position for enabling the rotor-position sensor acquisition compressor, in addition to：
When the rotor-position of the compressor is not in the minimum rotor phase of the stress, control compressor is with current frequency
Operating.
4. cooler compressor halt control method as claimed in claim 3, it is characterised in that in the rotor of the compressor
When position is in the stress minimum rotor phase, before controlling the compressor out of service, in addition to：
Judge whether the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum；
When the rotor-position of the compressor is consistent with the rotor phase that the stress is minimum, the rotor of the compressor is judged
Position is in the minimum rotor phase of the stress；
When the rotor-position of the compressor rotor phase minimum with the stress is inconsistent, turning for the compressor is judged
Sub- position is not in the minimum rotor phase of the stress.
5. cooler compressor halt control method as claimed in claim 3, it is characterised in that in the rotor of the compressor
When position is in the stress minimum rotor phase, before controlling the compressor out of service, in addition to：
Calculate the rotor-position and the phase difference of the rotor phase of stress minimum of the compressor；
When the phase difference is less than the first preset phase deviation threshold, judge that the rotor-position of the compressor is in described answer
The minimum rotor phase of power；
When the phase difference is more than or equal to the first preset phase deviation threshold, judge that the rotor-position of the compressor is not located
In the rotor phase that the stress is minimum.
6. cooler compressor halt control method as claimed in claim 4, it is characterised in that described in the compressor
When rotor-position is in the stress minimum rotor phase, after controlling the compressor out of service, in addition to：
Control compressor operating；
When receiving compressor shutdown instruction, enable rotor-position sensor and obtain the current rotor-position of the compressor,
And rotor-position when obtaining last compressor shutdown；
The difference of rotor-position when calculating current rotor-position with last compressor shutdown；
When the difference is less than the second preset phase deviation threshold, judge that the rotor-position of the compressor is in the stress
Minimum rotor phase；
When the difference is more than or equal to the second preset phase deviation threshold, judge that the rotor-position of the compressor is not in
The minimum rotor phase of the stress；
Wherein, the second preset phase deviation threshold is less than the first preset phase deviation threshold, and small in the difference
In the second preset phase deviation threshold, the difference of the current rotor-position rotor phase minimum with profit is pre- less than described first
If phase deviation threshold value.
7. cooler compressor halt control method as claimed in claim 3, it is characterised in that described in the compressor
When rotor-position is not in the stress minimum rotor phase, after the step of control compressor is operated with current frequency, also
Including：
Interval preset time enables the rotor-position that rotor-position sensor detects compressor, until at the rotor-position of compressor
When the stress minimum rotor phase, stop the rotor-position of detection compressor, and control compressor shutdown.
8. cooler compressor halt control method as claimed in claim 3, it is characterised in that described in the compressor
When rotor-position is in the stress minimum rotor phase, after control compressor step out of service, in addition to:
By the rotor-position storage of the compressor in the minimum rotor phase of the stress, by the rotor position of the compressor of storage
Put the rotor phase for being recorded as stress minimum compressor is shut down next time when；To receive compressor halt instruction next time
When, when the rotor-position of compressor is in the rotor phase of record, control compressor shutdown.
9. a kind of air conditioner, it is characterised in that the air conditioner includes：Memory, processor and it is stored on the memory
And the cooler compressor that can be run on the processor shuts down control program, the cooler compressor shuts down control program
By cooler compressor halt control method of the realization as any one of claim 1 to 8 during the computing device
Step.
10. a kind of computer-readable recording medium, it is characterised in that be stored with air conditioner on the computer-readable recording medium
Compressor shutdown control program, the cooler compressor is shut down when control program is executed by processor and realizes such as claim 1
The step of to cooler compressor halt control method any one of 8.
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| CN201710415841.2A CN107101345B (en) | 2017-06-02 | 2017-06-02 | Air conditioner, compressor stop control method thereof and computer readable storage medium |
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| CN201710415841.2A CN107101345B (en) | 2017-06-02 | 2017-06-02 | Air conditioner, compressor stop control method thereof and computer readable storage medium |
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| CN107101345B (en) | 2020-09-11 |
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