CN102639941A - Method for controlling electric compressor - Google Patents
Method for controlling electric compressor Download PDFInfo
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- CN102639941A CN102639941A CN2010800363772A CN201080036377A CN102639941A CN 102639941 A CN102639941 A CN 102639941A CN 2010800363772 A CN2010800363772 A CN 2010800363772A CN 201080036377 A CN201080036377 A CN 201080036377A CN 102639941 A CN102639941 A CN 102639941A
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- motor compressor
- inverter
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000002159 abnormal effect Effects 0.000 claims abstract description 21
- 238000004378 air conditioning Methods 0.000 claims description 13
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- 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
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration cycle
-
- 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
- F25B2600/021—Inverters therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
A method for controlling an electric compressor according to the present invention comprises the steps of: (I) starting a compressor by applying a power source to an air conditioner; (II) determining whether the compressor is starting normally; and (III) driving the compressor normally if the compressor is starting normally at step (II), or otherwise restarting the compressor if the compressor is not starting normally and then determining again whether the compressor is starting normally. Therefore, at an early stage of starting the compressor, abnormal operations (breakdown, disconnection, overheating and the like) of the compressor are determined by an inverter to determine restart or operation failure of the compressor, thereby improving the reliability of the electric compressor.
Description
Technical field
The present invention relates to a kind of method of controlling motor compressor; And more particularly relate to a kind of control motor compressor make early stage starting time of compressor in time detect by inverter as fault, short circuit and overheated motor compressor abnormal operation confirming resetting motor compressor or the failure of starting motor compressor, thereby cause the method that the motor compressor reliability improves.
Background technology
Generally speaking, the compressor that will be applied to air-conditioning system according to action type is divided into dissimilar, such as, reciprocating compressor, rotary compressor and scroll compressor.
In addition, use motor to comprise electric motor units with drive motors and the compressor unit that is used to compress refrigerant as the motor compressor of drive source.
Generally speaking, motor compressor comprises inverter, the revolutions per minute of control drive motors when the side that said inverter is installed in compressor case changes with outer load, thereby the air conditioning efficient of variable control air-conditioning system.
In more detail, inverter comprises printed circuit board (PCB) (the printed circuit board that installs various components; PCB) and be placed in the inverter shell at the side place that is provided in compressor case, isolate by the lid that is used to cover the inverter shell aperture simultaneously.
Yet the conventional electric compressor guarantees stability through the on/off clutch like fault, short circuit and overheated abnormal operation the time.
That is to say that about the conventional electric compressor, the abnormal operation that detects motor compressor by inverter when not starting in early days is to determine whether to start once more the technology of motor compressor or the failure of starting motor compressor.
In addition; Conventional inverter is categorized as sensor type inverter and no sensor inversion device; Said sensor type inverter is through using the speed of controlling drive motors like the position of the position sensor monitors rotor of Hall sensor, and said no sensor inversion device is not having under the situation of position sensor through control the speed of drive motors based on the position of the counter electromotive force of drive motors or electric current estimated rotor.Recently, preferably there is not sensor inversion device.
Yet the no sensor inversion device of tradition is difficult to detect in early days short circuit and the fault of motor between abnormal operation, motor and the inverter of DC-to-AC converter, thereby can make the reliable operation deterioration.
Summary of the invention
Technical task
Therefore; Target of the present invention is to provide a kind of method of controlling motor compressor; Make and in time detect like fault, short circuit and overheated motor compressor abnormal operation by inverter in the early stage starting time of compressor; Confirming to reset motor compressor or the failure of starting motor compressor, thereby cause the improvement of motor compressor reliability.
Another target of the present invention be to provide a kind of before the starting motor compressor through detecting abnormal operation and the fault of motor and the method that motor compressor is controlled in short circuit of inverter, thereby the raising reliability.
Solution
According to an aspect of the present invention, a kind of method of controlling motor compressor is provided, said method comprising the steps of: (I) start said motor compressor through electric power being put on air-conditioning; (II) confirm whether normal starting of said motor compressor by inverter; And (III) when said motor compressor in said step (II) during normal starting; The said motor compressor of driven then; And when said motor compressor does not have normal starting, then come once more to confirm whether normal starting of said motor compressor through resetting said motor compressor.
Preferably, in said step (III) afterwards, when said motor compressor normal starting, the said motor compressor of driven then, and when said motor compressor does not have normal starting, then make said step (III) repeat to preset number of times.
Preferably, though when make said step (III) repeat said preset number of times after said motor compressor when still not having normal starting, confirm said motor compressor starting failure and output error message.
Preferably, when repeating said steps (III), be provided for resetting the stand-by time that presets of said motor compressor.
Preferably, in addition, in maximum ± 25% of starting current when repeating said steps (III) at drive current.
According to a further aspect in the invention, a kind of motor compressor control method that before the starting motor compressor, detects the abnormal operation of inverter or drive motors is provided, said method comprising the steps of: (I) electric power is put on air-conditioning; (II) through immediate current being put on the said drive motors of said motor compressor, detect the electric current of three phases by sensor; And (III) use said three phase currents with the abnormal operation of (Ui+Vi+Wi) confirming said inverter or said drive motors.
Preferably; When said three phase currents and be 0 (zero) or in error range the time; Normal starting or drive said motor compressor then; And when said three phase currents be not 0 (zero) or not in said error range the time, then confirm said inverter or the said drive motors also output error message that breaks down.
Preferably, in 1 (one) second, carry out said step (III).
Preferably, said sensor can be current sensor or electric resistance sensor.
According to another aspect of the invention, a kind of motor compressor control method of abnormal operation of inverter or the drive motors that detects said motor compressor in starting before the motor compressor is provided, said method comprising the steps of: (I) electric power is put on air-conditioning; (II) through immediate current being put on the said drive motors of said motor compressor, detect two phase currents in three phase currents (Ui, Vi and Wi) by sensor; (III) calculate a remaining phase current by said two phase currents; And (IV) confirm the whether normal running of said inverter or said drive motors through more said three phase currents (Ui, Vi and Wi) and reference current.
Preferably, in said step (III), a said remaining phase current according to said three phase currents with (Ui+Vi+Wi) be that the fact of 0 (zero) is from said two phase currents acquisition.
Preferably; In said step (IV) afterwards; When in the error range of said three phase currents (Ui, Vi and Wi) at said reference current; Normal starting or drive said motor compressor then, and when said three phase currents (Ui, Vi and Wi) are not in the error range at said reference current is then confirmed as said inverter or said drive motors and is broken down and output error message.
Preferably, in 1 (one) second, carry out said step (IV).
Preferably, said sensor can be current sensor or electric resistance sensor.
Effect of the present invention
Method according to control motor compressor according to the present invention; Can early stage starting time of motor compressor by inverter detect motor compressor like fault, short circuit and overheated abnormal operation; Confirming to reset motor compressor or the failure of starting motor compressor, thereby can improve the reliability of motor compressor.
In addition, start motor compressor before by three phase currents of sensor measurement drive motors, feasible fault or the short circuit that can in time confirm the abnormal operation and the motor of inverter.
In other words, can reach the stable operation of inverter and in early days the stage fault that detects drive motors repair inspection, thereby can prevent accident.
Description of drawings
Fig. 1 schematically illustrates the cutaway view that is used for motor compressor of the present invention;
Fig. 2 is the flow chart of diagram according to the method for the control motor compressor of an exemplary of the present invention;
Fig. 3 is the flow chart of diagram according to the method for the control motor compressor of another exemplary of the present invention; And
Fig. 4 is the flow chart of diagram according to the method for the control motor compressor of another exemplary of the present invention.
The specific embodiment
Hereinafter, will consult accompanying drawing and describe embodiment of the present invention in detail.
Fig. 1 schematically illustrates the cutaway view that is used for motor compressor of the present invention.Fig. 2 is the flow chart of diagram according to the method for the control motor compressor of an exemplary of the present invention.
Fig. 3 is the flow chart of diagram according to the method for the control motor compressor of another exemplary of the present invention.
Fig. 4 is the flow chart of diagram according to the method for the control motor compressor of another exemplary of the present invention.
Before the method for description,, motor compressor will be described in order to understand the present invention better according to the control motor compressor of an exemplary of the present invention.
As shown in fig. 1, inverter 100 is installed in the place, side according to the motor compressor of an exemplary.
Motor compressor is the element of air-conditioning and has driving shaft that said driving shaft is not by the driving force rotation of the TRT transmission of engine freely, but is rotated by the drive motors that is installed in the compressor case.
That is to say that motor compressor comprises compressor unit 200 and driver element 300, said compressor unit 200 possesses the device of the refrigerant that is used for compression compressors unit 200, and said driver element 300 has the drive motors that is used for compressor unit.Inverter 100 is installed in the inverter shell 500; Said inverter shell 500 is provided at the excircle place of compressor case; Settling near the side of drive motors, especially on the side of excircle, and the upper shed of said inverter shell 500 is covered by lid 400.
In this case, inverter 100 is carried out revolutions per minute (the revolutions per minute of drive motors; RPM) variable control adjusting the flow rate of refrigerant circulation through the kind of refrigeration cycle of air-conditioning, and is electrically connected with drive motors through terminal or busbar.
In addition, inverter 100 can be is not having under the situation of position sensor based on the position of the counter electromotive force of drive motors and the electric current estimated rotor no sensor inversion device with the RPM of control drive motors.
Said no sensor inversion device is included in the sensor of the position of detection rotor before the starting compressor, and three phase U, V and W wherein sensor being mounted to the three-phase drive motor are to measure electric current.
At this, sensor can be current sensor or electric resistance sensor.
Therefore, the electric current of three phases of sensor measurement, the feasible stage is in early days confirmed the fault or the short circuit of the abnormal operation and the motor of inverter, thereby can improve reliability.
Hereinafter, describe the method for control motor compressor in detail with consulting accompanying drawing.
Exemplary 1
As shown in Figure 2, the method according to the control motor compressor of an exemplary of the present invention according in order to confirm whether motor compressor fail to start puts on the temperature controller (S110) like FATC with electric power.
Next, the revolution that distributes drive motors is with starting motor compressor (S120 and S130).
Then, inverter is confirmed whether normal starting (S140) of motor compressor.
That is to say inverter confirms when the early stage starting of motor compressor, whether to exist like fault, short circuit and overheated compressor abnormal operation.When the normal starting motor compressor, driven motor compressor (S150) then, and when not having the normal starting motor compressor, then carry out later step (S160).
Next, reset motor compressor, to confirm whether motor compressor starts (S160).
That is to say that when the normal starting motor compressor, then driven motor compressor (S150) maybe when not having the normal starting motor compressor, then makes step (S160) repeat to preset number of times (S170 and S180).
In this case, number of repetition can be 5 (five).
Simultaneously, when the step that repeats to reset motor compressor (S160), there is stand-by time (S190).
Reduce to make the motor compressor can stable start up to the suction and discharge pressure differential through standby, wherein stand-by time can 0 (zero) second to 5 (five) seconds between.
In addition, reset maximum ± 25% time (S200) that starting current in the step (S160) of motor compressor maintains drive current.
Even, confirm that then this situation is the failure of starting motor compressor when making step (S160) repeat to preset when motor compressor does not still have normal starting after the number of times, output error message, and finish all processing (S210 and S220).
Exemplary 2
As shown in Figure 3, the method according to the control motor compressor of this exemplary of the present invention according in order to the fault of the abnormal operation of confirming inverter and motor and short circuit puts on air-conditioning (S210) with electric power.
Next, immediate current is put on the drive motors of motor compressor, to measure electric current Ui, Vi and the Wi (S220) of three phases.
Whether unusually three phase current Ui, Vi and Wi that use is measured in step S220 confirm inverter and drive motors (S230).
In this case, when three phase currents with Ui+Vi+Wi be 0 (zero) or in error range the time, confirm that then inverter or drive motors are normal, thus normal starting motor compressor (S240).Otherwise, when three phase currents with Ui+Vi+Wi not in error range the time, then confirm inverter or drive motors break down (S250).
Specifically, in the three-phase drive motor, three-phase current and be 0 (zero), as expressed by following equation 1.
Therefore, when wrong measurement electric current Ui, Vi and Wi are provided by the fault of the abnormal operation of inverter and motor or short circuit, the measurement electric current of mistake with possibly not be 0 (zero), break down thereby inverter or drive motors confirmed as.
Simultaneously, can be in 1 (one) second execution in step S230, make the response that can improve starting compressor.
[equation 1]
U
i+V
i+W
i＝0
Next, after step S250, output error message is to stop motor compressor (S260).
Exemplary 3
As shown in Figure 4, the method according to the control motor compressor of this exemplary of the present invention according in order to the fault of the abnormal operation of confirming inverter and motor and short circuit puts on air-conditioning (S310) with electric power.
Next, immediate current is put on the drive motors of motor compressor, to measure two phase currents (S320) among three phase current Ui, Vi and the Wi.
Two phase currents by measuring calculate a remaining phase current (S330).
In this case because three phase currents and be 0 (zero), as expressed, calculate a remaining phase current thus by equation 1.
Each phase current and reference current among three phase current Ui, Vi and the Wi are compared, to confirm the abnormal operation (S340) of inverter and drive motors.
In this case, when each phase current among three phase current Ui, Vi and the Wi is all in the error range at reference current, normal starting motor compressor (S350) then.Otherwise, when three phase current Ui, Vi and Wi are not in the error range at reference current, then inverter or drive motors are confirmed as break down (S360).
Specifically, reference current is the electric current of three phases when the normal starting of motor compressor, measuring.Therefore, when three phase current Ui, Vi and Wi in this step, measuring and calculate are not in the error range at reference current, then inverter or drive motors are confirmed as and broken down.
Simultaneously, can be in 1 (one) second execution in step S340, thereby can improve the reliability of motor compressor.
After step S360, output error message is to stop motor compressor (S370).
Claims (14)
1. method of controlling motor compressor said method comprising the steps of:
(I) start said motor compressor through electric power being put on air-conditioning;
(II) confirm whether normal starting of said motor compressor by inverter; And
(III) when said motor compressor in said step (II) during normal starting; The said motor compressor of driven then; And when said motor compressor does not have normal starting, then come once more to confirm whether normal starting of said motor compressor through resetting said motor compressor.
2. method according to claim 1, wherein, in said step (III) afterwards; When said motor compressor normal starting; The said motor compressor of driven then, and when said motor compressor does not have normal starting, then make said step (III) repeat to preset number of times.
3. method according to claim 2, wherein, even when make said step (III) repeat said preset number of times after said motor compressor when still not having normal starting, then confirm said motor compressor starting failure and output error message.
4. according to claim 2 or 3 described methods, when repeating said steps (III), be provided for resetting the stand-by time that presets of said motor compressor.
5. according to claim 2 or 3 described methods, wherein in maximum ± 25% of starting current when repeating said steps (III) at drive current.
6. one kind is detected the motor compressor control method of the abnormal operation of inverter or drive motors before the motor compressor in starting, said method comprising the steps of:
(I) electric power is put on air-conditioning;
(II) through immediate current being put on the said drive motors of said motor compressor, detect the electric current of three phases by sensor; And
(III) use said three phase currents with the abnormal operation of (Ui+Vi+Wi) confirming said inverter or said drive motors.
7. motor compressor control method according to claim 6; Wherein when said three phase currents and be 0 (zero) or in error range the time; Normal starting or drive said motor compressor then; And when said three phase currents be not 0 (zero) or not in said error range the time, then confirm said inverter or the said drive motors also output error message that breaks down.
8. according to claim 6 or 7 described motor compressor control methods, wherein in 1 (one) second, carry out said step (III).
9. motor compressor control method according to claim 8, wherein said sensor comprises current sensor or electric resistance sensor.
10. the motor compressor control method of the abnormal operation of inverter or a drive motors that detects said motor compressor in starting before the motor compressor said method comprising the steps of:
(I) electric power is put on air-conditioning;
(II) through immediate current being put on the said drive motors of said motor compressor, detect two phase currents in three phase currents (Ui, Vi and Wi) by sensor;
(III) calculate a remaining phase current by said two phase currents; And
(IV) confirm the whether normal running of said inverter or said drive motors through more said three phase currents (Ui, Vi and Wi) and reference current.
11. motor compressor control method according to claim 10, wherein, in said step (III), a said remaining phase current according to said three phase currents with (Ui+Vi+Wi) be that the fact of 0 (zero) is from said two phase currents acquisition.
12. motor compressor control method according to claim 11; Wherein, In said step (IV) afterwards, when in the error range of said three phase currents (Ui, Vi and Wi) at said reference current, normal starting or drive said motor compressor then; And when said three phase currents (Ui, Vi and Wi) are not in the said error range at said reference current, then said inverter or said drive motors confirmed as and broken down and output error message.
13., wherein in 1 (one) second, carry out said step (IV) according to each described motor compressor control method in the claim 10 to 12.
14. motor compressor control method according to claim 13, wherein said sensor comprises current sensor or electric resistance sensor.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090054821A KR101384254B1 (en) | 2009-06-19 | 2009-06-19 | Method for control of electromotive compressor |
| KR10-2009-0054821 | 2009-06-19 | ||
| KR1020090056417A KR20100138063A (en) | 2009-06-24 | 2009-06-24 | Control Method of Electric Compressor |
| KR10-2009-0056417 | 2009-06-24 | ||
| PCT/KR2010/003855 WO2010147376A2 (en) | 2009-06-19 | 2010-06-16 | Method for controlling electric compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102639941A true CN102639941A (en) | 2012-08-15 |
Family
ID=43356901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800363772A Pending CN102639941A (en) | 2009-06-19 | 2010-06-16 | Method for controlling electric compressor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120100012A1 (en) |
| CN (1) | CN102639941A (en) |
| WO (1) | WO2010147376A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101051A (en) * | 2014-06-24 | 2014-10-15 | 广东美的集团芜湖制冷设备有限公司 | Air conditioner and detection control method and device for abnormal coolant circulation of air conditioner |
| CN108313040A (en) * | 2018-02-09 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of control method and system of motorcar electric air compressor machine |
| CN108350872A (en) * | 2015-11-12 | 2018-07-31 | 株式会社电装 | Motor compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944454B (en) * | 2021-03-01 | 2022-05-31 | 重庆海尔空调器有限公司 | Air conditioner and control method thereof, computer-readable storage medium, and control device |
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- 2010-06-16 US US13/379,019 patent/US20120100012A1/en not_active Abandoned
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101051A (en) * | 2014-06-24 | 2014-10-15 | 广东美的集团芜湖制冷设备有限公司 | Air conditioner and detection control method and device for abnormal coolant circulation of air conditioner |
| CN104101051B (en) * | 2014-06-24 | 2017-01-18 | 广东美的集团芜湖制冷设备有限公司 | Air conditioner and detection control method and device for abnormal coolant circulation of air conditioner |
| CN108350872A (en) * | 2015-11-12 | 2018-07-31 | 株式会社电装 | Motor compressor |
| CN108313040A (en) * | 2018-02-09 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of control method and system of motorcar electric air compressor machine |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120100012A1 (en) | 2012-04-26 |
| WO2010147376A2 (en) | 2010-12-23 |
| WO2010147376A3 (en) | 2011-03-24 |
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Application publication date: 20120815 |