WO2018216655A1 - Dispositif d'entraînement de compresseur, unité de commande l'utilisant, unité de compresseur et refroidisseur - Google Patents

Dispositif d'entraînement de compresseur, unité de commande l'utilisant, unité de compresseur et refroidisseur Download PDF

Info

Publication number
WO2018216655A1
WO2018216655A1 PCT/JP2018/019494 JP2018019494W WO2018216655A1 WO 2018216655 A1 WO2018216655 A1 WO 2018216655A1 JP 2018019494 W JP2018019494 W JP 2018019494W WO 2018216655 A1 WO2018216655 A1 WO 2018216655A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
circuit
power supply
control
electromagnetic switch
Prior art date
Application number
PCT/JP2018/019494
Other languages
English (en)
Japanese (ja)
Inventor
義勝 井上
充浩 福田
西村　誠一
成臣 徳永
Original Assignee
パナソニック アプライアンシズ リフリジレーション デヴァイシズ シンガポール
パナソニックＩｐマネジメント株式会社
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 パナソニック アプライアンシズ リフリジレーション デヴァイシズ シンガポール, パナソニックＩｐマネジメント株式会社 filed Critical パナソニック アプライアンシズ リフリジレーション デヴァイシズ シンガポール
Priority to CN201880034611.4A priority Critical patent/CN110679051B/zh
Publication of WO2018216655A1 publication Critical patent/WO2018216655A1/fr
Priority to PH12019502399A priority patent/PH12019502399A1/en

Links

Images

Classifications

    • 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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters

Definitions

  • the present invention relates to a compressor driving device, a control unit using the compressor, a compressor unit, and various cooling devices such as a refrigerator and an air conditioner.
  • this type of compressor driving device is driven using AC as a power source.
  • an overvoltage may be applied to the constituent circuit of the compressor driving device. Therefore, a protection device that protects an inverter circuit such as a component circuit from an overvoltage is known (for example, see Patent Document 1).
  • FIG. 5 shows a conventional inverter described in Patent Document 1.
  • the inverter circuit protection device drives a motor 43 through an inverter circuit 42 by a three-phase AC power supply 40.
  • An electromagnetic switch 41 is provided between the three-phase AC power supply 40 and the inverter circuit 42 as a protection device that protects the inverter circuit 42 from overvoltage.
  • the inverter circuit 42 includes a rectifying unit 44 that rectifies three-phase alternating current into direct current, a resistor 45 that smoothes direct current, a smoothing capacitor 46, an inverter unit 47 that converts direct current into three-phase alternating current, And a control circuit 48 for controlling the inverter unit 47.
  • the control circuit 48 detects the overvoltage of the three-phase AC power supply 40 by the voltage dividing resistors 50 and 51 provided in the inverter circuit 42. When the control circuit 48 detects an overvoltage, the control circuit 48 opens the electromagnetic switch 41 to shut off the inverter circuit 42 and the AC power supply 40. This prevents an overvoltage from being applied to the inverter circuit 42.
  • the electromagnetic switch 41 is provided between the three-phase AC power supply 40 and the inverter circuit 42. For this reason, when the overvoltage state occurs due to the voltage fluctuation of the power source, the entire inverter circuit 42 (smoothing capacitor 46, inverter unit 47, control circuit 48, etc.) and the motor 43 are disconnected from the AC power source 40. End up.
  • the electromagnetic switch 41 mechanically cuts off the power supply, the opening operation is slightly delayed (several tens of milliseconds) with respect to the opening signal from the control circuit 48. Therefore, an overvoltage is applied to the inverter circuit 42 during this operation delay. Even if the application of the overvoltage associated with the delay in the opening operation of the electromagnetic switch 41 is in units of several tens of msec, if this is repeated, the electronic components constituting the inverter circuit 42 are damaged. When this damage is accumulated, there is a problem that the reliability and life of the inverter circuit are lowered.
  • the durability of the electronic components constituting the inverter circuit 42 is reduced, and the reliability and life of the inverter circuit are reduced.
  • the present invention has been made in view of the above points, and a compressor driving device and a control unit using the same that can reduce the application of overvoltage to the constituent circuits and at the same time determine the cause of the stoppage of the compressor.
  • the purpose is to provide a compressor unit and a cooling device.
  • the present invention provides a compressor driving device comprising: a compressor driving circuit that drives a compressor; a compressor driving power circuit that supplies power to the compressor driving circuit from an AC power source; A control circuit for controlling a compressor drive circuit, a control power circuit for supplying power from the AC power source to the control circuit, and when an overvoltage occurs in the AC power source, the AC power source and the control power circuit And an electromagnetic switch that cuts off the electrical connection between the AC power supply and the compressor driving power supply circuit without cutting off the electrical connection therebetween.
  • the present invention can provide a compressor drive device that can reduce the application of overvoltage to the constituent circuits and at the same time determine the cause of the compressor stop, and a control unit, compressor unit, and cooling device using the compressor drive device. .
  • a compressor driving device includes a compressor driving circuit that drives a compressor, a compressor driving power supply circuit that supplies power to the compressor driving circuit from an AC power supply, and the compressor driving circuit.
  • a control circuit for controlling, a control power circuit for supplying power to the control circuit from the AC power source, and an electrical connection between the AC power source and the control power circuit when an overvoltage occurs in the AC power source.
  • the electromagnetic switch which interrupts
  • the control circuit can determine the cause of the compressor stop.
  • the electromagnetic switch in the first invention, when the compressor is not driven, the electromagnetic switch is opened and the AC power source and the compressor drive power circuit are connected.
  • the electrical connection between them may be interrupted.
  • the electromagnetic switch is already open even if the AC power supply is in an overvoltage state when the compressor is not driven. For this reason, it is not necessary to open the electromagnetic switch every time an overvoltage state occurs while the compressor is stopped. Thereby, it is possible to greatly reduce the application of overvoltage to the constituent circuits such as the compressor driving power supply circuit due to the delay in opening the electromagnetic switch. Therefore, it is possible to reduce damage caused by application of overvoltage to elements constituting the compressor driving power supply circuit and the like, and to improve the reliability and life of the compressor driving device and a device such as a refrigerator using the compressor driving device. Further, since the driving of the electromagnetic switch can be stopped while the compressor is stopped, power consumption for driving the electromagnetic switch can be suppressed, and energy saving can be improved.
  • the control power circuit includes a rectifier diode for half-wave rectification, and the electromagnetic switch is connected to the AC power source.
  • a contact that opens and closes one of the pair of wirings, and the rectifier diode may be connected to the one wiring.
  • the compressor drive power supply circuit has a smoothing capacitor, and when the compressor is not driven, every predetermined timing.
  • the electromagnetic switch may be closed for a predetermined time.
  • the electric charge can be maintained in the smoothing capacitor of the power circuit for driving the compressor connected to the downstream side of the electromagnetic switch. Therefore, when the electromagnetic switch when the compressor is stopped is open, it is possible to prevent the charge of the smoothing capacitor of the compressor driving power supply circuit from being discharged to near zero. Therefore, it is possible to prevent a large inrush current from flowing through the electromagnetic switch when the electromagnetic switch is closed for driving the compressor. Thereby, damage to the electromagnetic switch due to a large inrush current can be greatly reduced, and the reliability and life of the compressor driving device can be further improved.
  • a current flows from the positive side terminal of the compressor driving power source circuit to the positive side terminal of the control power source circuit.
  • a discharge diode may be further provided. This makes it possible to quickly reduce the residual charge of the smoothing capacitor of the compressor drive power supply circuit when the AC power supply is turned off. Therefore, it is possible to prevent problems due to residual charges and improve the safety of the compressor driving device.
  • a control unit includes the compressor driving device according to any one of the first to fifth aspects of the invention, and a control box that houses the compressor driving device.
  • the compressor drive device is protected by the control box, and can be prevented from being damaged even if it receives external force. This facilitates handling of the compressor driving device and allows the compressor driving device to be used as it is attached to a component such as a compressor, thereby improving the convenience of the compressor driving device.
  • a compressor unit according to a seventh aspect of the present invention is integrally configured by the control unit of the sixth aspect of the invention and the compressor. This makes it possible to provide a compressor unit with a compressor drive control circuit that can be easily mounted on various cooling devices.
  • a cooling device includes the compressor driving device according to any one of the first to fifth aspects, the control unit according to the sixth aspect, or the compressor unit according to the seventh aspect. This makes it unnecessary for the manufacturer of the cooling device to design a complicated compressor drive circuit, and can easily provide the cooling device.
  • FIG. 1 is a block diagram showing a circuit configuration of a compressor driving apparatus according to Embodiment 1 of the present invention.
  • 1 is an AC power source.
  • Reference numeral 2 denotes a compressor driving device connected to the AC power source 1 via a connector 3.
  • Reference numeral 4 denotes a compressor motor driven by the compressor driving device 2.
  • the side closer to the AC power source 1 may be referred to as the upstream side, and the side far from the AC power source 1 may be referred to as the downstream side.
  • the compressor driving device 2 is configured by integrally providing circuit elements described below on a single printed board. The configuration will be described below.
  • the circuit elements are electrically connected to each other by wiring on the substrate.
  • Reference numeral 6 denotes a circuit for supplying electric power from the AC power supply 1 to the compressor drive circuit 9, which is a compressor drive power supply circuit provided further downstream of the electromagnetic switch 7.
  • Reference numeral 9 denotes a circuit for driving the compressor, which is a compressor driving circuit that drives the motor 4 for driving the compressor by supplying power from the power circuit 8 for driving the compressor.
  • the electromagnetic switch 7 connects the wiring between the AC power source 1 and the compressor driving power circuit 8 by closing, and disconnects (cuts off) the connection by opening.
  • the electromagnetic switch 7 disconnects the electrical connection between the AC power supply 1 and the compressor drive power supply circuit 8.
  • the overvoltage is, for example, a voltage that is equal to or higher than the rated voltage of the compressor driving device 2 and that may cause the components of the compressor driving device 2 to break down.
  • Reference numeral 10 denotes a circuit for supplying power from the AC power supply 1 to the control circuit 11, which is a control power circuit provided separately from the compressor driving power circuit 8 on the downstream side of the noise filter 6.
  • Reference numeral 11 denotes a control circuit that operates by power supply from the control power supply circuit 10.
  • the control circuit 11 controls the drive of the compressor drive circuit 9.
  • the control circuit 11 detects an overvoltage of the AC power supply 1
  • the control circuit 11 opens the electromagnetic switch 7 and inputs current from the AC power supply 1 to the compressor drive power supply circuit 8, the compressor drive circuit 9 and the electric motor 4 ( Power supply).
  • the control circuit 11 controls to open the electromagnetic switch 7.
  • the control circuit 11 closes the electromagnetic switch 7 every predetermined time interval (predetermined timing), and then repeats the operation of opening the electromagnetic switch 7 after a predetermined time has elapsed. To control.
  • the control circuit 11 does not perform control to close the electromagnetic switch 7.
  • the above “when it is not necessary to operate the compressor” refers to a time when a predetermined condition is satisfied for the compressor.
  • the cooling device equipped with the compressor driving device 2 is a refrigerator
  • the temperature of the storage room of the refrigerator reaches a predetermined temperature and no further cooling is required.
  • the electric motor 4 of the compressor is not driven and is stopped.
  • the control power supply circuit 10 is branched from the wiring on the upstream side of the electromagnetic switch 7 (that is, the AC power supply 1 side of the electromagnetic switch 7).
  • the electromagnetic switch 7 controls power supply to the compressor drive power supply circuit 8 without controlling power supply to the control power supply circuit 10.
  • the electromagnetic switch 7 is provided as a contact which opens and closes only one wiring (one side line) of a pair of lines (wiring) connected to the AC power source 1.
  • the compressor drive power supply circuit 8 has a full-wave rectifier circuit 12 and a smoothing capacitor 13.
  • the full-wave rectifier circuit 12 rectifies an alternating current supplied via the noise filter 6 into a direct current.
  • the smoothing capacitor 13 smoothes the direct current that has been full-wave rectified by the full-wave rectifier circuit 12.
  • the compressor drive circuit 9 is constituted by a switching circuit made of a semiconductor element.
  • control power supply circuit 10 includes a half-wave rectifier circuit unit 16, a voltage divider circuit unit 17, a first power supply unit 19, a second power supply unit 21, and a third power supply unit 22.
  • the half-wave rectifier circuit unit 16 includes a rectifier diode 14 and a capacitor 15 for half-wave rectification.
  • the voltage dividing circuit unit 17 detects an overvoltage.
  • the first power supply unit 19 drives the microcomputer 18 that controls the control circuit 11.
  • the second power supply unit 21 drives the drive control unit 20 of the compressor drive circuit 9.
  • the third power supply unit 22 drives the electromagnetic switch 7.
  • the compressor drive circuit 9 and the drive control unit 20 are integrally composed of semiconductor elements such as an IPM (intelligent power module) 25.
  • the rectifier diode 14 of the half-wave rectifier circuit unit 16 is connected to a one-side line provided with the electromagnetic switch 7.
  • the rectifier diode 14 is provided in parallel to the electromagnetic switch 7 and the full-wave rectifier circuit 12 of the compressor drive power supply circuit 8.
  • a discharge diode is connected between the compressor driving power supply circuit 8 and the control power supply circuit 10 so that current flows only from the + side terminal of the compressor driving power supply circuit 8 to the + side terminal of the control power supply circuit 10. 23 is connected.
  • the electromagnetic switch 7 Normally, the electromagnetic switch 7 is closed. Thus, power is supplied from the AC power source 1 to the compressor driving power supply circuit 8, the compressor driving circuit 9, the electric motor 4, the control power supply circuit 10, and the control circuit 11.
  • the driving of the electric motor 4 is controlled by a compressor driving circuit 9 based on a signal from the control circuit 11.
  • the control circuit 11 detects the overvoltage via the voltage dividing circuit unit 17 of the control power supply circuit 10.
  • the control circuit 11 drives the electromagnetic switch 7 via the third power supply unit 22 and opens the electromagnetic switch 7 to shut off the AC power supply 1 from the compressor drive power supply circuit 8.
  • the control power supply circuit 10 is branched from a line on the upstream side of the electromagnetic switch 7 (the AC power supply 1 side of the electromagnetic switch 7). For this reason, the electromagnetic switch 7 stops supplying power to the circuit elements on the compressor drive power circuit 8 side of the electromagnetic switch 7 and the motor 4 of the compressor. Therefore, the power supply to the circuit element closer to the control power circuit 10 than the electromagnetic switch 7 is not cut off. Therefore, the control circuit 11 continues to be energized even after the electromagnetic switch 7 is opened. Therefore, when the compressor is stopped due to an overvoltage, for example, the control circuit 11 can determine that the stop of the compressor is a stop due to an overvoltage, display it, and the convenience is greatly improved.
  • the withstand voltage rating of the control power supply circuit 10, the rectifier diode 14 and the capacitor 15 and the overvoltage value of the AC power supply 1 are sufficiently higher.
  • the smoothing capacitor 13 has a higher current consumption value and a much larger capacitance than the capacitor 15. For this reason, when the capacitor 15 has a high withstand voltage rating, the size of the capacitor 15 becomes large, leading to an increase in cost.
  • the capacitor 15 has a relatively small current consumption of a circuit element downstream thereof and a small capacitance. For this reason, it is relatively easy to select a capacitor 15 having a high withstand voltage rating.
  • the electromagnetic switch 7 is opened to disconnect the connection between the compressor drive power supply circuit 8 and the AC power supply 1. is doing. For example, when the compressor driving device 2 is used for a refrigerator and the refrigerator compartment is sufficiently low in temperature, there is no need to drive the compressor, and the motor 4 of the compressor is stopped. At this time, the control power supply circuit 10 controls the electromagnetic switch 7 to open, so that the connection between the motor 4 and the AC power supply 1 is cut off.
  • the electromagnetic switch 7 is already open, so that the circuit element on the downstream side of the electromagnetic switch 7 It is possible to prevent an overvoltage from being applied. Therefore, the electromagnetic switch 7 does not have to be opened every time an overvoltage state occurs while the compressor is stopped.
  • the drive of the electromagnetic switch 7 can be stopped while the compressor is stopped. For this reason, the power consumption for driving the electromagnetic switch 7 can be suppressed, and the energy saving performance can also be improved.
  • the smoothing capacitor 13 of the compressor driving power supply circuit 8 is slowly discharged, and the charge of the smoothing capacitor 13 is zero or Near zero.
  • the charge of the smoothing capacitor 13 becomes close to zero, when the open electromagnetic switch 7 is closed, a large inrush current flows through the electromagnetic switch 7, and there is a concern that the electromagnetic switch 7 may be seriously damaged.
  • the electromagnetic switch 7 is closed for a predetermined time (for example, 1 sec) and then opened at predetermined time intervals (for example, 20 minutes) while the compressor is stopped.
  • a predetermined time for example, 1 sec
  • predetermined time intervals for example, 20 minutes
  • the charge of the smoothing capacitor 13 is not discharged to near zero while the compressor is stopped. Therefore, it is possible to prevent a large inrush current from flowing through the electromagnetic switch 7 when the electromagnetic switch 7 is closed to drive the compressor. Thereby, the damage of the electromagnetic switch 7 by a large inrush current can also be reduced greatly, and the reliability and lifetime of the compressor drive device 2 can be greatly improved from this point.
  • time interval and closing time which close the electromagnetic switch 7 during a compressor stop are predetermined, it is not restricted to predetermined. These may be set in any manner as long as the time interval and time allow a predetermined amount of charge to be accumulated and maintained in the smoothing capacitor 13.
  • the compressor driving device 2 branches the line on the compressor driving power supply circuit 8 side and the line on the control power supply circuit 10 side.
  • the control power circuit 10 is composed of a half-wave rectifier circuit.
  • the electromagnetic switch 7 is a contact that opens and closes only one line of the AC power supply 1. Further, the half-wave rectifier diode 14 of the control power circuit 10 is connected to one side line of the AC power source 1 to which the electromagnetic switch 7 is connected.
  • the AC power supply 1 is supplied to the compressor driving power supply circuit 8 and the like via the control power supply circuit 10. It is possible to prevent power from being supplied from the power source. That is, even if the compressor drive power supply circuit 8 and the control power supply circuit 10 are separated from each other, power is supplied to the compressor drive power supply circuit 8 and the like via the control power supply circuit 10. Can be prevented.
  • the compressor drive power supply circuit 8 and the control power supply circuit 10 can be provided at low cost as a non-insulated circuit configuration.
  • the circuit portion for driving the compressor (that is, the compressor driving power circuit 8, the compressor driving circuit 9, the control power circuit 10, the control circuit 11, and the electromagnetic switch 7) can be easily formed on a single printed board. Can also be summarized.
  • the compressor drive device 2 of the present embodiment has the discharge diode 23 arranged so that current flows only from the + side terminal of the compressor drive power supply circuit 8 to the + side terminal of the control power supply circuit 10. Yes.
  • the residual charge of the smoothing capacitor 13 of the compressor drive power supply circuit 8 can be quickly reduced via the control power supply circuit 10. Therefore, the safety of the compressor drive device 2 can be improved.
  • FIG. 2 is a schematic explanatory diagram of the compressor unit 28 in which the compressor driving device 2 according to the first embodiment is mounted.
  • the compressor unit 28 includes a compressor 24.
  • a mounting leg (not shown) of the control unit 27 is attached to a bracket (not shown) welded to the outer shell of the compressor 24.
  • the compressor unit 28 is configured by integrating the compressor 24 and the control unit 27.
  • the control unit 27 includes a control box 26, and the compressor driving device 2 is incorporated in the control box 26.
  • the above-mentioned integration means that the compressor 24 and the control unit 27 (that is, the compressor driving device 2) are arranged together.
  • the compressor unit 28 is integrally configured by the compressor 24 and the control unit 27.
  • a versatile compressor unit 28 with a compressor control circuit can be obtained. That is, it can be provided as a compressor unit 28 that can be easily mounted on various cooling devices.
  • FIG. 3 is an explanatory diagram of a refrigerator equipped with the compressor unit 28 according to the second embodiment.
  • the refrigerator according to the third embodiment includes a refrigerator main body 29.
  • a main body control unit 30 is provided on the back surface of the refrigerator main body 29, and a compressor unit 28 is provided in the lower machine room of the refrigerator main body 29.
  • the microcomputer 18 of the control circuit 11 (FIG. 1) in the compressor driving device 2 of the compressor unit 28 is connected to the main body control unit 30 of the refrigerator main body 29 via a lead wire 31.
  • the refrigerator configured as described above is simply configured by retrofitting a control unit 27 (that is, the compressor driving device 2) to the refrigerator main body 29 and connecting the control circuit 11 to the main body control unit 30. Therefore, a refrigerator manufacturer does not need to design a complicated compressor drive circuit such as a compressor drive control circuit (for example, an inverter control circuit), and easily manufactures a refrigerator with an inverter drive control type compressor drive device. can do.
  • a compressor drive control circuit for example, an inverter control circuit
  • FIG. 4 is an explanatory diagram showing another refrigerator in which the compressor driving device 2 according to Embodiment 1 is directly mounted.
  • the refrigerator according to the fourth embodiment includes a refrigerator main body 29.
  • the compressor driving device 2 is provided on the upper back of the refrigerator main body 29 as a single printed board.
  • the compressor driving device 2 is provided in the vicinity of the main body control unit 30 and is connected to the main body control unit 30 by a lead wire 31.
  • the compressor 24 is installed in the lower part of the refrigerator main body 29, and the compressor 24 is connected to the compressor drive device 2 via the lead wire 31.
  • the refrigerator according to the fourth embodiment has the same effect as the refrigerator according to the third embodiment. Further, the refrigerator according to Embodiment 4 can be expected to have the following effects.
  • the compressor driving device 2 is directly attached to the refrigerator main body 29 in the vicinity of the main body control unit 30.
  • the compressor driving device 2 may be attached to the refrigerator main body 29 in the form of the control unit 27 according to the second embodiment.
  • the installation location of the compressor driving device 2 in the refrigerator main body 29 is not limited to the vicinity of the main body control unit 30.
  • the refrigerator is described as one of the cooling devices, but the cooling device is not limited to this.
  • the cooling device may be an air conditioner, a vending machine, a showcase, a commercial refrigerator, etc., and any cooling device equipped with a compressor can achieve the same effect. It is done.
  • the present invention reduces the application of overvoltage to the constituent circuits of the compressor drive device, and can determine the cause of the compressor stop, and the control unit using the compressor drive device, A compressor unit and a cooling device can be provided. Therefore, it can be widely used as a compressor driving device for a refrigerator, an air conditioner, a vending machine, and other cooling devices equipped with a compressor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

L'invention concerne un dispositif d'entraînement de compresseur 2 étant pourvu : d'un circuit d'entraînement de compresseur 9 qui entraîne un compresseur ; d'un circuit d'alimentation électrique d'entraînement de compresseur 8 qui fournit de l'énergie au circuit d'entraînement de compresseur à partir d'une source d'alimentation en courant alternatif 1; un circuit de commande 11 qui commande le circuit d'entraînement de compresseur ; un circuit d'alimentation électrique de commande 10 qui fournit de l'énergie au circuit de commande à partir de la source d'alimentation en courant alternatif ; et un commutateur électromagnétique 7 qui, lorsqu'une surtension est générée dans la source d'alimentation en courant alternatif, ne déconnecte pas une connexion électrique entre la source d'alimentation en courant alternatif et le circuit d'alimentation électrique de commande, mais déconnecte une connexion électrique entre la source d'alimentation en courant alternatif et le circuit d'alimentation électrique d'entraînement de compresseur.
PCT/JP2018/019494 2017-05-25 2018-05-21 Dispositif d'entraînement de compresseur, unité de commande l'utilisant, unité de compresseur et refroidisseur WO2018216655A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880034611.4A CN110679051B (zh) 2017-05-25 2018-05-21 压缩机驱动装置、使用该压缩机驱动装置的控制单元、压缩机单元和冷却器
PH12019502399A PH12019502399A1 (en) 2017-05-25 2019-10-23 Compressor driving device, control unit including the same, compressor unit, and cooler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017103965 2017-05-25
JP2017-103965 2017-05-25

Publications (1)

Publication Number Publication Date
WO2018216655A1 true WO2018216655A1 (fr) 2018-11-29

Family

ID=64395661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/019494 WO2018216655A1 (fr) 2017-05-25 2018-05-21 Dispositif d'entraînement de compresseur, unité de commande l'utilisant, unité de compresseur et refroidisseur

Country Status (3)

Country Link
CN (1) CN110679051B (fr)
PH (1) PH12019502399A1 (fr)
WO (1) WO2018216655A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0879963A (ja) * 1994-09-06 1996-03-22 Daikin Ind Ltd 電力変換制御装置における故障診断装置
JP2001241732A (ja) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd マルチタイプ空気調和機の制御装置
JP2014023392A (ja) * 2012-07-23 2014-02-03 Daikin Ind Ltd 電源装置
JP2015096009A (ja) * 2013-11-14 2015-05-18 ローム株式会社 Ａｃ／ｄｃコンバータおよびその保護回路、電源回路、電源アダプタおよび電子機器
WO2016194197A1 (fr) * 2015-06-04 2016-12-08 三菱電機株式会社 Dispositif de conversion de puissance
JP2018057178A (ja) * 2016-09-29 2018-04-05 日立工機株式会社 電気機器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4043481B2 (ja) * 2004-06-25 2008-02-06 三洋電機株式会社 インバータ装置
DE112010005608B4 (de) * 2010-05-28 2018-02-01 Mitsubishi Electric Corp. Leistungsumwandlungseinrichtung
CN102343782A (zh) * 2011-07-15 2012-02-08 重庆松芝汽车空调有限公司 具有预充功能的电动汽车空调直流高压电路
CN102269464B (zh) * 2011-08-22 2014-01-29 四川长虹电器股份有限公司 空调延时保护的方法
JP5454596B2 (ja) * 2012-02-08 2014-03-26 ダイキン工業株式会社 電源制御装置
CN105515415A (zh) * 2015-12-25 2016-04-20 美的集团武汉制冷设备有限公司 一种功率转换电路、方法及空调器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0879963A (ja) * 1994-09-06 1996-03-22 Daikin Ind Ltd 電力変換制御装置における故障診断装置
JP2001241732A (ja) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd マルチタイプ空気調和機の制御装置
JP2014023392A (ja) * 2012-07-23 2014-02-03 Daikin Ind Ltd 電源装置
JP2015096009A (ja) * 2013-11-14 2015-05-18 ローム株式会社 Ａｃ／ｄｃコンバータおよびその保護回路、電源回路、電源アダプタおよび電子機器
WO2016194197A1 (fr) * 2015-06-04 2016-12-08 三菱電機株式会社 Dispositif de conversion de puissance
JP2018057178A (ja) * 2016-09-29 2018-04-05 日立工機株式会社 電気機器

Also Published As

Publication number Publication date
CN110679051A (zh) 2020-01-10
PH12019502399A1 (en) 2020-12-07
CN110679051B (zh) 2023-06-09

Similar Documents

Publication Publication Date Title
US10250047B2 (en) Battery disconnect unit
EP3779298B1 (fr) Climatiseur
CN102804538B (zh) 电源保护电路和具有其的电动机驱动装置
JP2016070519A (ja) 室外機および空気調和装置
EP3730857B1 (fr) Climatiseur
JP4318662B2 (ja) 保護回路，電源装置
KR200448796Y1 (ko) 단위세대를 위한 상용/비상 전원 자동 공급기
WO2018216655A1 (fr) Dispositif d'entraînement de compresseur, unité de commande l'utilisant, unité de compresseur et refroidisseur
JP2004112929A (ja) 交流−直流変換装置
JP2018518006A (ja) 交流電圧網に接続するための配電システム
JP7511753B2 (ja) モータ駆動装置およびそれを有する空気調和装置の室外機
JP6121290B2 (ja) 冷凍装置
WO2010102364A1 (fr) Système de commande de moteur à induction monophasé et procédé de commande de moteur à induction monophasé
CN205356174U (zh) 车载发电机整流器
JP6466023B2 (ja) 空気調和機
JP2012251702A (ja) 換気装置
JP2012228009A (ja) インバータ制御装置
JP2005096881A (ja) エレベータの安全回路
CN209472574U (zh) 一种直流油泵电机的软启动控制柜
US20240175617A1 (en) Power converter and refrigeration cycle apparatus
KR101380743B1 (ko) 파워소자가 단락에 의해 파손되는 것을 방지할 수 있는전원공급장치
JP2021045028A (ja) 切替回路
KR20010060558A (ko) 에어컨의 전원 안정화 제어 회로
JP2003033033A (ja) 整流平滑回路
BR102016020305A2 (pt) Circuito de proteção

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: 18806752

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: 18806752

Country of ref document: EP

Kind code of ref document: A1