WO2015003482A1 - Procédé de détection d'inversion et dispositif de compresseur pour appareil de climatisation - Google Patents

Procédé de détection d'inversion et dispositif de compresseur pour appareil de climatisation Download PDF

Info

Publication number
WO2015003482A1
WO2015003482A1 PCT/CN2014/070788 CN2014070788W WO2015003482A1 WO 2015003482 A1 WO2015003482 A1 WO 2015003482A1 CN 2014070788 W CN2014070788 W CN 2014070788W WO 2015003482 A1 WO2015003482 A1 WO 2015003482A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
air conditioner
mode
reverse
time
Prior art date
Application number
PCT/CN2014/070788
Other languages
English (en)
Chinese (zh)
Inventor
郭晓峰
曹勇
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2015003482A1 publication Critical patent/WO2015003482A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle

Definitions

  • the present invention relates to the field of air conditioning technology, and in particular, to an air conditioner compressor inversion detection method and apparatus.
  • BACKGROUND OF THE INVENTION With the extensive use of various electrical appliances, the phenomenon of urban “electricity shortage” has become more and more serious. This "electricity shortage” phenomenon has caused the voltage of the urban power grid to be rapidly pulled down during the peak period of power consumption.
  • the compressor can safely and stably operate directly to determine whether the air conditioner can operate reliably and safely.
  • the motor provides insufficient torque, which tends to cause the compressor to reverse during operation.
  • the protection measures of the air conditioning system for the compressor generally include high voltage protection, low voltage protection, overload protection, and no measures against the anti-reverse of the compressor.
  • some compressor manufacturers have a special compressor anti-reverse design, the anti-reverse design cannot be applied to all compressors, and there are certain limitations. If the compressor in the air conditioning system does not have an anti-reverse design, once the compressor is reversed, the air conditioner will not be able to cool. Also, when the compressor is reversed, the compressor will be severely worn due to poor lubrication. When the compressor in the air-conditioning system has no anti-reverse design, the compressor needs to run for about 30 minutes to reach the built-in overload protection of the compressor.
  • a primary object of the present invention is to provide a method and apparatus for inverting detection of an air conditioner compressor.
  • the method provided by the invention uses the change of the compressor exhaust temperature 1 ⁇ and the air conditioning running current I to detect whether the compressor is reversed. After detecting the reverse operation of the compressor, the compressor is controlled to enter the reverse protection mode. Thereby ensuring the safe and stable operation of the compressor, further ensuring the safety and stability of the operation of the air conditioning system.
  • an air conditioner compressor inversion detecting method is provided, the method comprising:
  • step S5 it is judged whether the exhaust temperature difference ⁇ satisfied AT ⁇ AT 3 ⁇ 4, if so, executing step S5; NO shell U, after waiting a second predetermined period of time returns to the step S2;
  • the method further includes: controlling the compressor to enter a reverse protection mode, where the controlling the compressor enters the reverse protection mode, specifically: when the air conditioner operates in the cooling or dehumidification mode, the control The compressor and the external fan are stopped, the internal fan maintains the current running state, and the fault code is displayed on the internal display panel.
  • the air conditioner is running in the heating non-defrosting mode, the compressor and the external fan are stopped, and the internal fan is blown away.
  • the method further includes: controlling the compressor to exit the reverse protection mode. Further, the controlling the compressor to exit the reverse protection mode is: detecting whether the compressor shutdown time is greater than a third preset time, and if so, controlling the compressor to exit the reverse protection mode, starting the compressor; otherwise, continuing to detect the compression Whether the machine shutdown time is greater than the third preset time; further, the control compressor exits the reverse protection mode: receiving the shutdown signal, clearing the fault information, controlling the compressor to exit the reverse protection mode; receiving the power-on signal, starting compressor.
  • the device further includes: a first control unit, configured to control the compressor to enter a reverse protection mode, where the control compressor enters a reverse protection mode, specifically: when the air conditioner operates in a cooling or dehumidification mode, Control the compressor and the external fan to stop, the internal fan maintains the current running state, and displays the fault code on the internal display panel.
  • a first control unit configured to control the compressor to enter a reverse protection mode
  • the control compressor enters a reverse protection mode
  • the air conditioner operates in a cooling or dehumidification mode
  • Control the compressor and the external fan to stop the internal fan maintains the current running state, and displays the fault code on the internal display panel.
  • the air conditioner is running in the heating non-defrosting mode
  • the compressor and the external fan are stopped, and the internal fan is blown out. After the residual heat is stopped, the fault code is displayed on the internal display panel.
  • the device further includes: a second control unit, configured to control the compressor to exit the reverse protection mode.
  • the second control unit includes: a detecting unit, configured to detect whether the compressor down time is greater than a third preset time, and if yes, control the compressor to exit the reverse protection mode, start the compressor; otherwise, continue to detect Whether the compressor shutdown time is greater than the third preset time; further, the second control unit comprises: a fault clearing unit, configured to receive the shutdown signal, clear the fault information, and control the compressor to exit the reverse protection mode; The unit, after clearing the fault information, receives the power-on signal and starts the compressor.
  • the air conditioner compressor reverse detecting method uses the change of the compressor exhaust temperature 1 ⁇ and the air conditioning operating current I to detect whether the compressor is reversed or not, and detects the compressor reverse rotation.
  • the compressor After the operation, the compressor is controlled to enter the reverse protection mode, thereby ensuring safe and stable operation of the compressor, further ensuring the safety and stability of the operation of the air conditioning system.
  • the method provided by the invention adopts the exhaust gas temperature difference and the current double detection condition, which increases the reliability of the detection and reduces the possibility of misjudgment of the air conditioning system during remote shutdown or temperature point shutdown.
  • the exhaust gas temperature of the compressor in the present invention is obtained by sensing the exhaust temperature sensing package fixed on the external compressor, which makes the method provided by the invention suitable for a prototype combination of an external machine and several internal machines. This makes the invention highly versatile.
  • FIG. 1 is a schematic block diagram of an air conditioning system in an air conditioner compressor inversion detection method according to an embodiment of the present invention, wherein: 1-air conditioning system main board, 2-exhaust temperature sensing package; FIG. 2 is an embodiment of the present invention FIG.
  • FIG. 3 is a flowchart of Embodiment 2 of an air conditioner compressor inversion detecting method according to an embodiment of the present invention
  • FIG. 4 is a flowchart of an embodiment of the present invention
  • FIG. 5 is a block diagram showing a configuration of a second control unit 106 in an air conditioner compressor inversion detecting device according to an embodiment of the present invention.
  • the compressor of the first embodiment is the heart of the air conditioning system and functions to compress and drive the refrigerant in the air conditioning refrigerant circuit.
  • the working circuit of the air conditioner compressor divides the evaporation zone (low pressure zone) and the condensation zone (high pressure zone).
  • the indoor unit and the outdoor unit of the air conditioner belong to the low pressure or high pressure area, respectively.
  • Air conditioner compressors are generally installed in outdoor units.
  • the working principle of the air conditioning refrigeration system is as follows: The air conditioning compressor extracts the refrigerant from the low pressure zone and compresses it to the high pressure zone for condensation.
  • the heat sink in the outdoor heat exchanger emits heat to the air, and the refrigerant is also The gaseous state becomes a liquid state.
  • the refrigerant flows from the high pressure zone to the low pressure zone and is injected into the indoor side heat exchanger through the capillary tube. Sudden drop, the heat sink in the indoor side heat exchanger absorbs a large amount of heat in the air, and the liquid refrigerant becomes gaseous. In this way, the air conditioner compressor continuously works, and the heat of one end of the low pressure zone is continuously absorbed into the refrigerant and sent to the high pressure zone to be distributed into the air, thereby regulating the temperature. That is, the flow of the air conditioning refrigeration system is: compressor - outdoor side heat exchanger - throttle valve - indoor side heat exchanger.
  • the heating and cooling principle is the same, that is, the inverse Carnot cycle.
  • the difference from the refrigeration principle is that the outdoor side heat exchanger and the indoor side heat exchanger are swapped, that is, the principle of the air conditioning heating system is: Compressor - Indoor side heat exchanger - Throttle valve - outdoor side heat exchanger.
  • Compressor Indoor side heat exchanger
  • Throttle valve outdoor side heat exchanger.
  • the compressor discharge temperature 1 ⁇ will gradually decrease, and the air conditioner running current I will be stable within a certain range and less than the normal running current, so it can be detected by the compressor exhaust.
  • the change of temperature 1 ⁇ and the air conditioning operating current I are used to determine whether the compressor is running in reverse.
  • a venting temperature sensing package is fixed on the compressor for obtaining the compressor exhaust temperature ⁇ ⁇ ; a current detecting device is provided for obtaining the air conditioning operating current 1, and the current detecting device can be serially arranged in the circuit of the air conditioning system It is also possible to provide a detecting element as a current detecting means on the main board of the air conditioning system.
  • the main board of the air conditioning system is connected to the exhaust temperature sensing package and the current detecting device.
  • Figure 1 is a schematic block diagram of an air conditioning system, where 1-air conditioning system main board, 2-exhaust temperature sensing package. By detecting the change of the compressor exhaust temperature 1 ⁇ and the air conditioning operating current I, it is determined whether the compressor is reversed.
  • FIG. 2 is an air conditioner compressor reverse detecting method according to an embodiment of the present invention. Flow chart. The operation of the air conditioning system is controlled by the main board of the air conditioning system.
  • step S100 determining that the air conditioner is operating in a heating non-defrosting mode, a cooling mode, or a dehumidification mode; in step S100, when the air conditioner is operating in a heating non-defrosting mode, a cooling mode, or a dehumidification mode, the compressor may be reversed In the case of reverse operation, it is necessary to detect reverse rotation and perform reverse rotation protection. In other cases, the compressor reverse rotation is not detected.
  • step S10K collects compressor exhaust temperature 1 ⁇ and air conditioner running current I, t represents the current time; in step S101, the compressor is turned on and off by the main board, after the compressor is turned on, and it is determined that the air conditioner is running in the heating After the defrosting mode, cooling mode or dehumidification mode, the main board obtains the compressor exhaust temperature 1 ⁇ through the exhaust temperature sensing package, and obtains the air conditioning operating current ⁇ ⁇ through the current detecting device ; the main board periodically collects the compressor exhaust temperature
  • T t and air conditioning operating current I for example, the main board collects a set of compressor exhaust temperature T t and air conditioning operating current I every 5 s.
  • the main board after the main board detects that the compressor is running for 3 minutes, the main board starts to calculate the exhaust gas temperature difference ⁇ , ⁇ - ⁇ , where i represents the exhaust temperature before the first preset time at the current time, indicating The exhaust temperature of the current time.
  • the first preset time can be made 60s.
  • ⁇ indicates the exhaust temperature before the current time 60s, and indicates the exhaust temperature at the current time; that is, the exhaust temperature difference ⁇ is the exhaust temperature before the compressor t time 60s minus the exhaust temperature at the compressor t time; If the compressor is reversed, it will cause the compressor discharge temperature 1 ⁇ to gradually decrease, so the value of ⁇ will increase, and ⁇ can be used to be greater than a certain set value as a judgment condition for judging whether the compressor is reversed.
  • step S103 determining whether the exhaust temperature difference Delta] [tau meets AT ⁇ AT 3 ⁇ 4, if yes, performing step S104; otherwise, wait a second predetermined period of time returns to step S101; step S103, ⁇ 3 ⁇ 4 of an experimentally determined determining the value, if the exhaust temperature difference ⁇ meet AT ⁇ AT 3 ⁇ 4, and then determines the current air-conditioning operation I, is stable over a range; otherwise, wait a second predetermined period of time, return to step S101, and the second pre- The set time is the period in which the data is periodically collected in step S101.
  • step S104 determining whether the exhaust temperature difference Delta] [tau meets AT ⁇ AT 3 ⁇ 4, if yes, performing step S104; otherwise, wait a second predetermined period of time returns to step S101; step S103, ⁇ 3 ⁇ 4 of an experimentally determined determining the value, if the exhaust temperature difference ⁇ meet AT ⁇ AT 3 ⁇ 4, and then determines the current air-conditioning operation I, is stable over a range; otherwise, wait a second pre
  • step S105 Determine whether the air conditioning operating current I satisfies I T ⁇ I, ⁇ I ⁇ , and if yes, execute step S105; otherwise, wait for the second preset time and then return to step S101; in step S104, I T and 1 ⁇ 3 ⁇ 4 is the value determined by experiment. If the compressor reverses operation, it will cause the air conditioning operating current I to stabilize within a certain range. Therefore, the air conditioner can run the current I, and it is stable within a certain range. The judgment condition of the reversal.
  • step S101 the second preset time is in step S101. The period in which data is collected periodically.
  • the embodiment of the invention adopts the exhaust gas temperature difference ⁇ and the air conditioning operating current I, double judgment conditions, increases the reliability of the detection, and reduces the possibility of misjudgment of the air conditioning system during remote shutdown or temperature point shutdown.
  • the air conditioner compressor reverse detection method provided by the embodiment of the invention uses the change of the compressor exhaust temperature and the air conditioner running current I to detect whether the compressor is reversely operated, and can ensure the safe and stable operation of the compressor, further Ensure the safety and stability of the operation of the air conditioning system. Further, the method provided by the embodiment of the invention adopts the exhaust temperature difference and the current double detection condition, which increases the reliability of the detection and reduces the possibility of misjudgment of the air conditioning system during remote shutdown or temperature point shutdown.
  • the exhaust gas temperature of the compressor in the embodiment of the present invention is obtained by sensing the exhaust temperature sensing package fixed on the external compressor, which makes the method provided by the embodiment of the invention suitable for an external machine with several internal machines.
  • the prototype combination makes the invention highly versatile.
  • the method provided by the embodiment of the present invention only takes 90 seconds from detecting the reversal of the compressor to controlling the compressor to enter the reverse protection mode, and the compressor needs to be operated for about 30 minutes compared to the compressor without the detection reversing device.
  • the overload protection built in the compressor, the method provided by the embodiment of the invention can greatly reduce the wear on the compressor.
  • Embodiment 2 The air conditioning system has different working modes of heating, cooling, dehumidifying, and defrosting, and the compressor of the air conditioning system may be reversed in the heating non-defrosting mode, the cooling mode, or the dehumidifying mode, so Before the air conditioning system main board detects whether the air conditioner compressor is reverse running, it is also necessary to determine whether the air conditioner operates in the heating non-defrosting mode, the cooling mode or the dehumidification mode. Determining whether the air conditioner operates in the heating non-defrosting mode, cooling mode or dehumidification mode includes:
  • S302. Determine whether the air conditioner is running in the defrost mode, and if yes, determine that the air conditioner is operating in the heating non-defrosting mode.
  • the purpose of the main board detecting the reverse running of the compressor is to prevent the compressor from entering the reverse protection mode when detecting that the compressor is in reverse operation, thereby achieving the purpose of protecting the compressor.
  • the so-called reverse protection mode is specifically as follows: When the air conditioner is running in the cooling or dehumidification mode, the main board controls the compressor and the outer fan to stop, the inner fan maintains the current running state, and displays the fault code on the internal display panel; In the heating non-defrosting mode, the main board controls the compressor and the external fan to stop, the internal fan stops running after the residual heat is exhausted, and the fault code is displayed on the internal display panel.
  • the method further includes: controlling the compressor to exit the reverse protection mode. There are two ways to control the compressor to exit the reverse protection mode: 1. The air conditioner automatically exits; 2. The user manually exits.
  • the automatic exit of the air conditioner is as follows: The main board detects whether the compressor down time is greater than the third preset time. If yes, the main board controls the compressor to exit the reverse protection mode and start the compressor; otherwise, the main board continues to detect whether the compressor down time is greater than the first Three preset times; In this embodiment, the third preset time can be set to 180s.
  • Figure 3 is a flow chart showing the complete operation of the compressor according to the embodiment of the present invention.
  • Steps S201-S205 are for determining that the air conditioner is operating in a heating non-defrosting mode, a cooling mode, or a dehumidifying mode.
  • Steps S207-S212 are to detect whether the air conditioner compressor is reverse running.
  • Step S213 is to control the compressor to enter the reverse protection mode.
  • Steps S214-S217 are two ways to control the compressor to exit the reverse protection mode.
  • step S202 After the S20K air conditioner is turned on, it is determined whether the air conditioner is running in the heating mode, and if yes, step S202 is performed; otherwise, step S203 is performed;
  • step S202 determining whether the air conditioner is running in the defrosting mode, if yes, executing step S204; otherwise, performing step S205;
  • step S216 detecting whether the compressor down time is greater than the third preset time, if yes, proceeding to step S216; otherwise, returning to step S214;
  • the air conditioner compressor reverse detection method uses the change of the compressor exhaust temperature and the air conditioner running current I to detect whether the compressor is reversed. After detecting the reverse operation of the compressor, The compressor is controlled to enter the reverse protection mode to ensure safe and stable operation of the compressor, further ensuring the safety and stability of the operation of the air conditioning system. Further, the method provided by the embodiment of the invention adopts the exhaust temperature difference and the current double detection condition, which increases the reliability of the detection and reduces the possibility of misjudgment of the air conditioning system during remote shutdown or temperature point shutdown.
  • the exhaust temperature of the compressor in the embodiment of the present invention is obtained by sensing the exhaust temperature sensing package fixed on the external compressor, which makes the method provided by the invention suitable for a prototype of an external machine with several internal machines.
  • the invention is highly versatile.
  • the method provided by the embodiment of the present invention only takes 90 seconds from detecting the reversal of the compressor to controlling the compressor to enter the reverse protection mode, and the compressor needs to be operated for about 30 minutes compared to the compressor without the detection reversing device.
  • the overload protection built in the compressor, the method provided by the embodiment of the invention can greatly reduce the wear on the compressor.
  • Embodiment 3 Referring to FIG.
  • the first control unit 105 is configured to control the compressor to enter the reverse protection mode, and the control compressor enters the reverse protection mode, specifically: when the air conditioner operates in the cooling or dehumidification mode, the compressor and the external fan are controlled to stop, The internal fan maintains the current running state and displays the fault code on the internal display panel.
  • the air conditioner is running in the heating non-defrosting mode, the compressor and the external fan are stopped, and the internal fan stops running after the exhaust heat is exhausted.
  • a fault code is displayed on the display panel;
  • a second control unit 106 is configured to control the compressor to exit the reverse protection mode; Referring to FIG.
  • the second control unit 106 in the air conditioner compressor inversion detecting device can be implemented in two ways:
  • the detecting unit 1061 is configured to detect whether the compressor down time is greater than a third preset time, and if yes, control the compressor to exit the reverse protection mode, start the compressor; otherwise, continue to detect whether the compressor down time is greater than the third preset Time; or fault clearing unit 1062, for receiving the shutdown signal, clearing the fault information, controlling the compressor to exit the reverse The protection mode; the compressor starting unit 1063, after clearing the fault information, receives the power-on signal and starts the compressor.
  • the air conditioner compressor reverse detecting device uses the change of the compressor exhaust temperature and the air conditioning operating current I to detect whether the compressor reverses operation, after detecting the reverse running of the compressor, The compressor is controlled to enter the reverse protection mode to ensure safe and stable operation of the compressor, further ensuring the safety and stability of the operation of the air conditioning system. Further, the device provided by the embodiment of the invention adopts the exhaust temperature difference and the current double detection condition, which increases the reliability of the detection and reduces the possibility of misjudgment of the air conditioning system during remote shutdown or temperature point shutdown.
  • the exhaust gas temperature of the compressor in the embodiment of the present invention is obtained by sensing the exhaust temperature sensing package fixed on the external compressor, which makes the device provided by the invention suitable for a prototype of an external machine with several internal machines.
  • the invention is highly versatile.
  • the device provided by the embodiment of the present invention only takes 90 seconds from detecting the reversal of the compressor to controlling the compressor to enter the reverse protection mode, and the compressor needs to be operated for about 30 minutes compared to the compressor without the detection reversing device.
  • the overload protection built in the compressor, the device provided by the embodiment of the invention can greatly reduce the wear on the compressor.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un procédé de détection d'inversion et un dispositif de compresseur pour appareil de climatisation. Le procédé consiste à : déterminer que l'appareil de climatisation fonctionne dans un mode de chauffage sans dégivrage, un mode de réfrigération, ou un mode de déshumidification ; recueillir une température de sortie d'air du compresseur (Tt) et un courant de fonctionnement d'appareil de climatisation (It) ; calculer une différence de température de sortie d'air (ΔΤ) ; et déterminer si la différence de température de sortie d'air (ΔΤ) est supérieure à une différence de température prédéfinie et si le courant de fonctionnement d'appareil de climatisation (It) se situe dans une plage de courant prédéfinie, et si c'est le cas, déterminer si le compresseur fonctionne en sens inverse. Un dispositif de détection d'inversion d'un compresseur pour appareil de climatisation est également décrit. Le procédé et le dispositif garantissent un fonctionnement stable et sécurisé du compresseur, et assurent par conséquent un fonctionnement stable et sécurisé du système de climatisation.
PCT/CN2014/070788 2013-07-10 2014-01-17 Procédé de détection d'inversion et dispositif de compresseur pour appareil de climatisation WO2015003482A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310289917.3 2013-07-10
CN201310289917.3A CN104279150B (zh) 2013-07-10 2013-07-10 一种空调压缩机反转检测方法及装置

Publications (1)

Publication Number Publication Date
WO2015003482A1 true WO2015003482A1 (fr) 2015-01-15

Family

ID=52254385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/070788 WO2015003482A1 (fr) 2013-07-10 2014-01-17 Procédé de détection d'inversion et dispositif de compresseur pour appareil de climatisation

Country Status (2)

Country Link
CN (1) CN104279150B (fr)
WO (1) WO2015003482A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766019A (zh) * 2017-03-17 2017-05-31 珠海格力电器股份有限公司 空调化霜控制系统和空调化霜控制方法
US10520234B2 (en) 2017-05-08 2019-12-31 Thermo King Corporation Methods and systems for preventing premature compressor failure from improper operation
CN113882130A (zh) * 2020-07-02 2022-01-04 青岛海尔滚筒洗衣机有限公司 热泵式衣物烘干设备的故障检测方法
CN114017898A (zh) * 2021-11-08 2022-02-08 青岛海信日立空调系统有限公司 一种多联机系统

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194737B (zh) * 2015-05-06 2018-06-19 丹佛斯（天津）有限公司 用于控制压缩机的控制模块和压缩机控制方法
EP3124678B1 (fr) * 2015-07-27 2018-06-20 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un appareil de lavage et/ou de séchage de pompe à chaleur et un tel appareil de lavage ou de séchage
CN105202712B (zh) * 2015-10-26 2018-05-15 珠海格力电器股份有限公司 检测压缩机工作状态的方法和装置
CN105241034B (zh) * 2015-11-17 2017-10-13 广东美的制冷设备有限公司 用于空调器的控制方法及控制装置
CN107421762B (zh) * 2017-07-31 2020-01-03 特灵空调系统(中国)有限公司 散热系统诊断方法及装置
DE102017214941A1 (de) 2017-08-25 2019-02-28 Dometic Sweden Ab Freizeitfahrzeug, Kühlvorrichtung, Steuerungssystem und Verfahren zur Steuerung der Kühlvorrichtung
WO2019082168A1 (fr) 2017-10-27 2019-05-02 Dometic Sweden Ab Systèmes, procédés et appareils pour fournir des communications entre des dispositifs de climatisation dans un véhicule récréatif
CN109340096B (zh) * 2018-10-25 2020-05-15 科希曼电器有限公司 一种压缩机故障监测方法及其监测装置
KR102128914B1 (ko) 2019-01-11 2020-07-08 엘지전자 주식회사 압축기의 진단장치 및 진단방법
CN110094853B (zh) * 2019-06-03 2020-09-18 珠海格力电器股份有限公司 一种机组除尘控制方法、装置及机组
CN111043707A (zh) * 2019-12-31 2020-04-21 海信（山东）空调有限公司 一种压缩机反转的检测方法及空调器
CN112012914B (zh) * 2020-08-06 2021-12-24 珠海格力电器股份有限公司 一种防反转控制装置、磁悬浮系统及其防反转控制方法
CN114811885B (zh) * 2021-06-21 2023-08-18 宁波奥克斯电气股份有限公司 一种压缩机开机控制方法、空调
CN113776174B (zh) * 2021-09-18 2023-10-03 广东美的制冷设备有限公司 空调压缩机反转的检测方法、装置、空调器及存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101093A (ja) * 1990-08-20 1992-04-02 Tokico Ltd スクロール式圧縮機
CN1111724A (zh) * 1993-12-28 1995-11-15 松下电器产业株式会社 涡旋压缩机
US6171064B1 (en) * 1998-03-23 2001-01-09 Scroll Technologies Reverse rotation detection for scroll compressor utilizing suction temperature
GB2360329B (en) * 2000-03-16 2004-11-10 Scroll Tech Motor protector on scroll compressor pump unit
US6893227B2 (en) * 2002-03-21 2005-05-17 Kendro Laboratory Products, Inc. Device for prevention of backward operation of scroll compressors
JP2012102896A (ja) * 2010-11-08 2012-05-31 Panasonic Corp 冷凍サイクル装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6210119B1 (en) * 1998-06-05 2001-04-03 Carrier Corporation Reverse rotation detection compressors with a preferential direction of rotation
CN1548904A (zh) * 2003-05-22 2004-11-24 乐金电子(天津)电器有限公司 电冰箱的正或逆旋转压缩机介质封入量设定方法
US7300257B2 (en) * 2004-12-20 2007-11-27 Carrier Corporation Prevention of unpowered reverse rotation in compressors
CN201461368U (zh) * 2009-02-19 2010-05-12 浙江工业大学 制冷压缩机连续过载测试系统
CN102563789A (zh) * 2012-02-01 2012-07-11 美的集团有限公司 多联机热泵空调系统及其控制方法
CN202679885U (zh) * 2012-06-04 2013-01-16 艾默生网络能源有限公司 一种机柜空调通风装置及模块化数据中心

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101093A (ja) * 1990-08-20 1992-04-02 Tokico Ltd スクロール式圧縮機
CN1111724A (zh) * 1993-12-28 1995-11-15 松下电器产业株式会社 涡旋压缩机
US6171064B1 (en) * 1998-03-23 2001-01-09 Scroll Technologies Reverse rotation detection for scroll compressor utilizing suction temperature
GB2360329B (en) * 2000-03-16 2004-11-10 Scroll Tech Motor protector on scroll compressor pump unit
US6893227B2 (en) * 2002-03-21 2005-05-17 Kendro Laboratory Products, Inc. Device for prevention of backward operation of scroll compressors
JP2012102896A (ja) * 2010-11-08 2012-05-31 Panasonic Corp 冷凍サイクル装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766019A (zh) * 2017-03-17 2017-05-31 珠海格力电器股份有限公司 空调化霜控制系统和空调化霜控制方法
US10520234B2 (en) 2017-05-08 2019-12-31 Thermo King Corporation Methods and systems for preventing premature compressor failure from improper operation
US11085686B2 (en) 2017-05-08 2021-08-10 Thermo King Corporation Methods and systems for preventing premature compressor failure from improper operation
CN113882130A (zh) * 2020-07-02 2022-01-04 青岛海尔滚筒洗衣机有限公司 热泵式衣物烘干设备的故障检测方法
CN113882130B (zh) * 2020-07-02 2023-09-22 重庆海尔滚筒洗衣机有限公司 热泵式衣物烘干设备的故障检测方法
CN114017898A (zh) * 2021-11-08 2022-02-08 青岛海信日立空调系统有限公司 一种多联机系统

Also Published As

Publication number Publication date
CN104279150B (zh) 2018-05-01
CN104279150A (zh) 2015-01-14

Similar Documents

Publication Publication Date Title
WO2015003482A1 (fr) Procédé de détection d'inversion et dispositif de compresseur pour appareil de climatisation
US11378316B2 (en) Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit
EP2320168B1 (fr) Dispositif de pompe a chaleur
JP5289109B2 (ja) 空気調和装置
CN103940052A (zh) 空调器及其故障检测方法
CA3204237A1 (fr) Procede de regulation de niveau d'eau pour climatiseur et climatiseur
JP5871747B2 (ja) 空気調和機
KR20100059522A (ko) 공기조화기의 제어방법
JP2013204871A (ja) 空気調和機
WO2005098331A1 (fr) Procede de fonctionnement d'un refroidisseur d'eau
CN113757945B (zh) 空调器控制方法、装置、空调器以及计算机可读存储介质
CN113623818B (zh) 制热模式缺氟检测方法、装置、空调及计算机可读存储介质
EP2863150A1 (fr) Dispositif de réfrigération
JP2014137161A (ja) 空気調和装置
KR20110013979A (ko) 공기조화기 및 그 제어 방법
US9664426B2 (en) System and method for improving efficiency of a refrigerant based system
WO2023273270A1 (fr) Procédé de détection d'une fuite de fluide frigorigène, climatiseur, et support de stockage
CN112178894B (zh) 控制方法、空调器和计算机可读存储介质
EP3447405B1 (fr) Dispositif de climatisation
US20230366601A1 (en) Air conditioner and operation method thereof
CN112556127B (zh) 空调蓄冷控制方法、装置及计算机可读存储介质
CA2885449C (fr) Systeme de commande de fonctionnement d'un systeme cvca dote de compresseurs en tandem
JP6644152B2 (ja) 液面検知装置、ヒートポンプシステム及び液面検知方法
CN110925914A (zh) 用于空调的水循环系统、温度控制方法、控制器及空调器
JP2007212077A (ja) 空気調和機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14823772

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14823772

Country of ref document: EP

Kind code of ref document: A1