WO2016090735A1 - 一种自动调速的ecm电机及其应用的冰柜 - Google Patents

一种自动调速的ecm电机及其应用的冰柜 Download PDF

Info

Publication number
WO2016090735A1
WO2016090735A1 PCT/CN2015/071486 CN2015071486W WO2016090735A1 WO 2016090735 A1 WO2016090735 A1 WO 2016090735A1 CN 2015071486 W CN2015071486 W CN 2015071486W WO 2016090735 A1 WO2016090735 A1 WO 2016090735A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
temperature
speed
detecting unit
microprocessor
Prior art date
Application number
PCT/CN2015/071486
Other languages
English (en)
French (fr)
Inventor
边文清
胡戈
Original Assignee
中山大洋电机股份有限公司
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 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Priority to MX2016016290A priority Critical patent/MX2016016290A/es
Priority to CA2951319A priority patent/CA2951319C/en
Publication of WO2016090735A1 publication Critical patent/WO2016090735A1/zh
Priority to US15/334,264 priority patent/US10469002B2/en

Links

Images

Classifications

    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • 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
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21173—Temperatures of an evaporator of the fluid cooled by the evaporator at the outlet
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
    • 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

Definitions

  • the invention relates to an automatic speed regulating ECM motor and a freezer thereof.
  • ECM motors Electronic commutation motors
  • electrical equipment such as freezers, air conditioners, and HVAC systems, because of their strong control performance and energy saving and environmental protection.
  • the existing speed control of the ECM motor for the freezer is equipped with a dedicated motor speed controller for sending commands to the ECM motor to control whether the ECM motor speed is running at high or low.
  • the cost is high, the parts are numerous, and the installation is complicated.
  • An object of the present invention is to provide an ECM motor with automatic speed regulation, which does not require a special speed controller to send commands to the ECM motor to operate at high speed or low speed.
  • the structure is simple, the parts are small, the cost is saved, and the installation is convenient.
  • An object of the present invention is to provide a freezer that does not require a special speed controller to send commands to the ECM motor to operate at a high speed or a low speed.
  • the two temperature detecting units directly generate a speed selection control command, which has a simple structure and small parts. Cost saving and easy installation.
  • An EFM motor with automatic speed regulation includes a motor controller and a motor body, the motor body includes a stator assembly, a rotor assembly and a casing assembly, and the stator assembly and the rotor assembly are mounted in the casing assembly.
  • the stator assembly includes a stator core and a coil winding wound on the stator core, the rotor assembly including a rotor core and a permanent magnet nested inside the rotor core, the motor controller including a control circuit board, a control circuit board
  • the microprocessor, the IGBT module and the motor running parameter detecting unit are arranged, the motor running parameter detecting unit transmits the motor running data to the microprocessor, the output end of the microprocessor is connected to the input end of the IGBT module, and the output end of the IGBT module is connected and wound.
  • the microprocessor of the motor controller is further connected with a first temperature detecting unit and a second temperature detecting unit, and the first temperature detecting unit and the second temperature detecting unit are respectively placed outside the ECM motor. Position to separate The temperature T1 and the temperature T2 at different positions of the outside are detected. If the temperature difference between the temperature T1 and the temperature T2 is less than or equal to the set value T0, the microprocessor selects the first speed S1 and controls the motor to run at the first speed S1 at a constant speed. If the temperature difference between the temperature T1 and the temperature T2 is greater than the set value T0, the microprocessor selects the second speed S2 and controls the motor to operate at the second speed S2 at a constant speed.
  • a freezer includes a compressor, a coil evaporator, and an evaporator fan, wherein the evaporator fan includes a fan casing, an ECM motor, and a plurality of blades, and the compressor supplies a cooling medium to the coil evaporator, and the fan casing advances
  • a coil evaporator is installed on one side of the tuyere, and an air outlet is arranged on the other side of the fan casing.
  • the ECM motor is installed inside the fan casing, and a plurality of blades are mounted on the output shaft of the ECM motor, and the ECM motor and the fan blade are located on the disk.
  • the ECM motor includes a motor controller and a motor body, the motor body includes a stator assembly, a rotor assembly and a casing assembly, and the stator assembly and the rotor assembly are mounted in the casing assembly.
  • the stator assembly includes a stator core and a coil winding wound on the stator core, the rotor assembly including a rotor core and a permanent magnet nested inside the rotor core, the motor controller including a control circuit board, a control circuit board
  • the microprocessor, the IGBT module and the motor running parameter detecting unit are arranged, and the motor running parameter detecting unit transmits the motor running data to the microprocessor, and the microprocessor loses
  • the output end of the IGBT module is connected to the output end of the IGBT module, and the output end of the IGBT module is connected to the coil winding wound on the stator core.
  • the microprocessor of the motor controller is also connected with the first temperature detecting unit and the second temperature detecting unit.
  • the temperature detecting unit and the second temperature detecting unit are respectively disposed outside the ECM motor, the first temperature detecting unit is located near the air inlet of the fan casing for detecting the hot air temperature T1, and the second temperature detecting unit is located near the air outlet of the fan casing.
  • the microprocessor For detecting the cold air temperature T1, if the temperature difference between the temperature T1 and the temperature T2 is less than or equal to the set value T0, the microprocessor selects the first speed S1 and controls the motor to run at the first speed S1 at a constant speed, if the temperature When the temperature difference between T1 and temperature T2 is greater than the set value T0, the microprocessor selects the second speed S2 and controls the motor to operate at the second speed S2 at a constant speed, and the second speed S2 is greater than the first speed S1.
  • the microprocessor described above controls the ECM motor to control the motor to operate at a constant speed at the second speed S2 during the initial start-up operation.
  • the first speed S1 described above is 800 rpm, and the second speed S2 is 1550 rpm.
  • the set value T0 described above is in the range of 1 degree Celsius to 50 degrees Celsius.
  • a control box is mounted on the inner middle portion of the fan casing described above, and the motor controller of the ECM motor is electrically connected to the control box.
  • the first temperature detecting unit and the second temperature detecting unit described above are both thermocouples.
  • the air outlet of the fan casing described above is provided with a filter, and the second temperature detecting unit is located outside the filter.
  • the control box described above inputs an AC power of 115V or 230V.
  • the electronic commutated motor of the invention has the following effects: no special speed controller is required to send a command to the ECM motor to operate at a high speed or a low speed, and two temperature detecting units directly generate a speed selection control.
  • the instruction has simple structure, small parts, cost saving and convenient installation.
  • the first temperature detecting unit is located near the air inlet of the fan casing for detecting the hot air temperature T1
  • the second temperature detecting unit is located in the fan casing.
  • the air temperature T2 is detected near the air outlet, and is characterized in that if the temperature difference between the temperature T1 and the temperature T2 is less than or equal to the set value T0, the microprocessor selects the first speed S1 and controls the motor to the first speed.
  • S1 runs at constant speed. If the temperature difference between temperature T1 and temperature T2 is greater than the set value T0, the microprocessor selects the second speed S2 and controls the motor to run at the second speed S2 at a constant speed. The control is accurate and reliable, and the installation is reasonable. 3) The second speed S2 is greater than the first speed S1, and the microprocessor controls the ECM motor to start the running control motor at a constant speed of the second speed S2, which is convenient for the ice. Applications, with the operation of the compressor; 4) a first temperature detection unit and the second temperature detecting means is a thermocouple, its structure is simpler, more cost low.
  • Figure 1 is a perspective view of an ECM motor in an embodiment of the present invention
  • FIG. 2 is an exploded view of the ECM motor in the embodiment of the present invention.
  • Figure 3 is a cross-sectional view showing the structure of an ECM motor in an embodiment of the present invention.
  • Figure 4 is a perspective view of a stator core in an embodiment of the present invention.
  • Figure 5 is a perspective view of a rotor assembly in an embodiment of the present invention.
  • Figure 6 is a plan view of a rotor assembly in an embodiment of the present invention.
  • FIG. 7 is a control flow chart of an ECM motor in an embodiment of the present invention.
  • FIG. 8 is a circuit diagram of an ECM motor in an embodiment of the present invention.
  • Figure 9 is a schematic view showing the structure of a freezer in the embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment is an automatic speed-regulating ECM motor.
  • the ECM motor includes a motor controller 1 and a motor entity 2, and the motor body 2 includes a rotating shaft 20 and a stator assembly 21 .
  • the front end cover 232 and the rear end cover 233 are respectively mounted at the two ends of the casing 231, and the rotating shaft 20 is supported.
  • the control box 11 is mounted on the rear end cover 233, and a plurality of upper bosses 2331 and lower bosses 2332 are respectively extended on the edges of the end faces of the rear end cover 233, and are connected.
  • the screw 9 extends from the top of the control box 11 and is screwed into the upper boss 2331 to mount the control box 11 on the top surface of the rear end cover 233.
  • the connecting screw 9 extends from the top of the front end cover 232 and is screwed into the lower boss 2332 to the front end.
  • a cover 232 and a rear end cover 233 are mounted at both ends of the casing 231.
  • the number of the upper boss 2331 and the lower boss 2332 are both two, and the upper boss 2331 and the lower boss 2332 are symmetrically distributed on both end faces of the rear end cover 233.
  • a plurality of mounting screws 10 are respectively disposed on the tops of the control box 11 and the front end cover 232.
  • the stator assembly 21 includes a stator core 211 and a coil winding 212 wound on the stator core 211.
  • the stator core 211 includes an annular yoke portion 2111 and six tooth portions 2112 projecting outward from the annular yoke portion 2111, adjacent thereto.
  • a welt groove 2113 is formed between the two tooth portions 2112, and a groove 2110 is formed in the axial direction on the outer surface of the ring yoke portion 2111, and the connecting screw 9 passes through the groove 2110.
  • the rotor assembly 22 includes a rotor core 221 and a permanent magnet 222 nested inside the rotor core 221, and four positioning blocks 2211 are disposed on the outer surface of the rotor core 221 in the axial direction, and four positioning blocks 2211 are along
  • the outer surfaces of the rotor cores 221 are circumferentially spaced apart, and the permanent magnets 222 are circumferentially spaced apart from the rotor iron.
  • the outer surface of the core 221 is embedded between two adjacent positioning blocks 2211.
  • the positioning block 2211 includes two oppositely disposed bumps 2212, and a U-shaped groove 2213 is formed between the two protrusions 2212.
  • the motor controller 1 comprises a control circuit board, a microprocessor, an IGBT module, a motor operation parameter detecting unit, a power supply circuit and a memory are arranged on the control circuit board, and the power circuit supplies power to each part of the circuit on the control circuit board, and the motor runs.
  • the parameter detecting unit transmits the motor running data to the microprocessor, the output end of the microprocessor is connected to the input end of the IGBT module, and the output end of the IGBT module is connected to the coil winding 212 wound on the stator core 211, and the motor controller 1 is micro
  • the processor is further connected with a first temperature detecting unit and a second temperature detecting unit, wherein the first temperature detecting unit and the second temperature detecting unit are respectively placed at different positions outside the ECM motor to respectively detect the temperature T1 and the temperature T2 of different external positions.
  • the microprocessor selects the first speed S1 and controls the motor to run at the first speed S1 at a constant speed, if the temperature difference between the temperature T1 and the temperature T2 When it is greater than the set value T0, the microprocessor selects the second speed S2 and controls the motor to operate at the second speed S2 at a constant speed.
  • the set value T0 is stored in the memory.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • this embodiment is a freezer including a compressor, a coil evaporator, and an evaporator fan, wherein the evaporator fan includes a fan housing 3, an ECM motor, and a plurality of blades 4, which are compressed.
  • the machine supplies a cooling medium to the coil evaporator, a coil evaporator is installed on the air inlet 31 side of the fan casing 3, and an air outlet 32 is disposed on the other side of the fan casing 3, and the ECM motor is installed inside the fan casing 3.
  • the output shaft of the ECM motor is mounted with a plurality of blades 4, and the ECM motor and the blades 4 are located between the coil evaporator and the air outlet 32.
  • the ECM motor includes a motor controller 1 and a motor entity 2,
  • the motor body 2 includes a stator assembly 21, a rotor assembly 22, and a casing assembly 23, and the stator assembly 21 and the rotor assembly 22 are mounted inside the casing assembly 23, and the stator assembly 21 includes a stator core 211 and is wound around the stator core 211.
  • the coil winding 212 includes a rotor core 221 and a permanent magnet 222 nested inside the rotor core 221.
  • the motor controller 1 includes a control circuit board, and a microprocessor, an IGBT module, and a IGBT module are disposed on the control circuit board.
  • Motor operating parameter detection unit Engine operating parameter detecting means motor operational data to the microprocessor, an output terminal connected to an input terminal of the IGBT module, an output terminal connected IGBT module
  • the coil winding 222 wound on the stator core 221 is connected to the microprocessor, and the first temperature detecting unit 5 and the second temperature detecting unit 6 are connected to the microprocessor.
  • the first temperature detecting unit 5 and the second temperature detecting unit 6 are respectively placed. Outside the ECM motor, the first temperature detecting unit 5 is located near the air inlet 31 of the fan casing 3 for detecting the hot air temperature T1, and the second temperature detecting unit 6 is located near the air outlet 32 of the fan casing 3 for detecting the temperature of the cold air.
  • the microprocessor selects the first speed S1 and controls the motor to run at the first speed S1 at a constant speed, if the temperature T1 and the temperature T2 When the difference is greater than the set value T0, the microprocessor selects the second speed S2 and controls the motor to operate at the second speed S2 at a constant speed, and the second speed S2 is greater than the first speed S1.
  • the microprocessor controls the ECM motor to control the motor to run at a constant speed of the second speed S2 when the ECM motor is initially started.
  • the first speed S1 is 800 rpm and the second speed S2 is 1550 rpm.
  • the set value T0 is in the range of 1 degree Celsius to 50 degrees Celsius.
  • a control box 7 is mounted in the inner middle portion of the fan casing, and the motor controller of the ECM motor is electrically connected to the control box.
  • the first temperature detecting unit and the second temperature detecting unit are both thermocouples.
  • the air outlet 32 of the fan casing 3 is provided with a filter 8, and the second temperature detecting unit 6 is located outside the filter 8.
  • the control box 7 inputs an AC power of 115V or 230V.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Electric Motors In General (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

一种自动调速的ECM电机， ECM电机包括电机控制器（1）及电机实体（2），电机控制器（1）包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，微处理器连接有第一温度探测单元（5）和第二温度探测单元（6），两个温度探测单元分别置于ECM电机外部的不同的位置以分别探测外界不同位置的温度T1和温度T2，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行。采用两个温度探测单元直接产生转矩控制指令，结构简单，安装方便，节约成本。

Description

一种自动调速的ECM电机及其应用的冰柜 技术领域：
本发明涉及一种自动调速的ECM电机及其应用的冰柜。
背景技术：
电子换相电机(通俗称ECM电机)因为具有很强控制性能和具有节能环保等特点，广泛应用在电器设备中，例如冰柜、空调，暖通系统等。
现有的用于冰柜的ECM电机的转速控制，系统中配有专用的电机转速控制器，用于发送命令给ECM电机，控制ECM电机转速运行在高档还是低档。成本高，零件多，安装麻烦复杂。
发明内容：
本发明的一个目的是提供一种自动调速的ECM电机，无需专门的转速控制器向ECM电机发送命令运行在高档转速还是低档转速，结构简单，零件小，节约成本，安装方便。
本发明的令一个目的是提供一种冰柜，无需专门的转速控制器向ECM电机发送命令运行在高档转速还是低档转速，采用两个温度探测单元直接产生转速选择控制指令，结构简单，零件小，节约成本，安装方便。
本发明是通过下述技术方案予以实现的：
一种自动调速的ECM电机，所述的ECM电机包括电机控制器及电机实体，所述的电机实体包括定子组件、转子组件和机壳组件，定子组件、转子组件安装在机壳组件里面，定子组件包括定子铁芯和卷绕在定子铁芯上的线圈绕组，转子组件包括转子铁芯和嵌套在转子铁芯里面的永磁体，所述的电机控制器包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连接卷绕在定子铁芯上的线圈绕组，电机控制器的微处理器还连接有第一温度探测单元和第二温度探测单元，第一温度探测单元和第二温度探测单元分别置于ECM电机外部的不同的位置以分别 探测外界不同位置的温度T1和温度T2，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行。
一种冰柜，包括压缩机、盘管蒸发器、蒸发器风扇，其中蒸发器风扇包括风扇壳体、ECM电机和若干片风叶，压缩机向盘管蒸发器供应冷却媒介，风扇壳体的进风口一侧安装有盘管蒸发器，风扇壳体的另一侧设置出风口，ECM电机安装在风扇壳体的内部，ECM电机的输出轴上安装有若干片风叶，ECM电机和风叶位于盘管蒸发器与出风口之间，所述的ECM电机包括电机控制器及电机实体，所述的电机实体包括定子组件、转子组件和机壳组件，定子组件、转子组件安装在机壳组件里面，定子组件包括定子铁芯和卷绕在定子铁芯上的线圈绕组，转子组件包括转子铁芯和嵌套在转子铁芯里面的永磁体，所述的电机控制器包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连接卷绕在定子铁芯上的线圈绕组，电机控制器的微处理器还连接有第一温度探测单元和第二温度探测单元,第一温度探测单元和第二温度探测单元分别置于ECM电机外部,第一温度探测单元位于风扇壳体的进风口附近用于检测热空气温度T1,第二温度探测单元位于风扇壳体的出风口附近用于检测冷空气温度T1，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行，第二档速度S2大于第一档速度S1。
上述所述的微处理器控制ECM电机初始启动运行时控制电机以第二档速度S2恒速运行。
上述所述的第一档速度S1是800rpm,第二档速度S2是1550rpm。
上述所述的设定值T0是1摄氏度至50摄氏度的范围内。
上述所述的风扇壳体的里面中部安装有控制箱，ECM电机的电机控制器与控制箱电连接。
上述所述的第一温度探测单元和第二温度探测单元都是热电偶。
上述所述的风扇壳体的出风口出设置过滤网，第二温度探测单元位于过滤网的外侧。
上述所述的控制箱输入115V或者230V的交流电源。
本发明的电子换相电机与现有技术相比，1)具有如下效果：无需专门的转速控制器向ECM电机发送命令运行在高档转速还是低档转速，采用两个温度探测单元直接产生转速选择控制指令，结构简单，零件小，节约成本，安装方便；2)冰柜产品上将第一温度探测单元位于风扇壳体的进风口附近用于检测热空气温度T1,第二温度探测单元位于风扇壳体的出风口附近用于检测冷空气温度T2其特征在于:若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行，控制准确可靠，安装合理；3)第二档速度S2大于第一档速度S1，微处理器控制ECM电机初始启动运行时控制电机以第二档速度S2恒速运行，便于在冰柜应用，配合压缩机的工作；4)第一温度探测单元和第二温度探测单元都是热电偶，使结构更加简单，成本更加低。
附图说明：
图1是本发明的实施例中ECM电机的立体图；
图2是本发明的实施例中ECM电机的分解图；
图3是本发明的实施例中ECM电机的结构剖视图；
图4是本发明的实施例中定子铁芯的立体图；
图5是本发明的实施例中转子组件的立体图；
图6是本发明的实施例中转子组件的俯视图；
图7是本发明的实施例中ECM电机的控制流程图；
图8是本发明的实施例中ECM电机的电路图；
图9是本发明的实施例中冰柜的结构示意图。
具体实施方式：
下面通过具体实施例并结合附图对本发明作进一步详细的描述。
实施例一：
如图1至图8所示，本实施例是一种自动调速的ECM电机，所述的ECM电机包括电机控制器1及电机实体2，所述的电机实体2包括转轴20、定子组件21、转子组件22和机壳组件23，所述的机壳组件23包括机壳231、前端盖232和后端盖233，电机控制器1包括控制盒11和安装在控制盒11里面的控制线路板12，转子组件22安装在转轴20上，定子组件21与机壳231连接在一起嵌套在转子组件22外面，前端盖232和后端盖233分别安装在机壳231的两端，转轴20支承在前端盖232和后端盖233的轴承上，控制盒11安装在后端盖233上，在后端盖233两端面的边缘上分别伸出有若干上凸台2331和下凸台2332，连接螺钉9从控制盒11顶部伸入并拧进上凸台2331把控制盒11安装在后端盖233的顶面上，连接螺钉9从前端盖232顶部伸入并拧进下凸台2332把前端盖232和后端盖233安装在机壳231的两端。上凸台2331和下凸台2332的数量均是两个，上凸台2331和下凸台2332对称分布在后端盖233的两端面上。在控制盒11和前端盖232的顶部分别设置有若干安装螺钉10。
定子组件21包括定子铁芯211和卷绕在定子铁芯211上的线圈绕组212，定子铁芯211包括环形轭部2111和从环形轭部2111往内侧伸出的6个齿部2112，相邻两个齿部2112之间形成嵌线槽2113，在环形轭部2111的外表面上沿轴向方向上开设有凹槽2110，连接螺钉9从凹槽2110穿过。
转子组件22包括转子铁芯221和嵌套在转子铁芯221里面的永磁体222，在转子铁芯221外表面上沿轴向方向上设置4个定位卡块2211，4个定位卡块2211沿转子铁芯221外表面周向间隔排布，永磁体222周向间隔安装在转子铁 芯221的外表面上并镶嵌在相邻2个定位卡块2211之间。所述的定位卡块2211包括2个相对设置的凸块2212，在两凸块2212之间形成U型槽2213。
所述的电机控制器1包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元、电源电路和存储器，电源电路为控制线路板上的各部分电路供电，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连接卷绕在定子铁芯211上的线圈绕组212，电机控制器1的微处理器还连接有第一温度探测单元和第二温度探测单元，第一温度探测单元和第二温度探测单元分别置于ECM电机外部的不同的位置以分别探测外界不同位置的温度T1和温度T2，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行。设定值T0存储在存储器里面。
实施例二：
如图1至图9所示，本实施例是一种冰柜，包括压缩机、盘管蒸发器、蒸发器风扇，其中蒸发器风扇包括风扇壳体3、ECM电机和若干片风叶4，压缩机向盘管蒸发器供应冷却媒介，风扇壳体3的进风口31一侧安装有盘管蒸发器，风扇壳体3的另一侧设置出风口32，ECM电机安装在风扇壳体3的内部，ECM电机的输出轴上安装有若干片风叶4，ECM电机和风叶4位于盘管蒸发器与出风口32之间，所述的ECM电机包括电机控制器1及电机实体2，所述的电机实体2包括定子组件21、转子组件22和机壳组件23，定子组件21、转子组件22安装在机壳组件23里面，定子组件21包括定子铁芯211和卷绕在定子铁芯211上的线圈绕组212，转子组件22包括转子铁芯221和嵌套在转子铁芯221里面的永磁体222，所述的电机控制器1包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连 接卷绕在定子铁芯221上的线圈绕组222，微处理器还连接有第一温度探测单元5和第二温度探测单元6,第一温度探测单元5和第二温度探测单元6分别置于ECM电机外部,第一温度探测单元5位于风扇壳体3的进风口31附近用于检测热空气温度T1,第二温度探测单元6位于风扇壳体3的出风口32附近用于检测冷空气温度T2，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行，第二档速度S2大于第一档速度S1。微处理器控制ECM电机初始启动运行时控制电机以第二档速度S2恒速运行。第一档速度S1是800rpm,第二档速度S2是1550rpm。设定值T0是1摄氏度至50摄氏度的范围内。风扇壳体的里面中部安装有控制箱7，ECM电机的电机控制器与控制箱电连接。第一温度探测单元和第二温度探测单元都是热电偶。风扇壳体3的出风口32出设置过滤网8，第二温度探测单元6位于过滤网8的外侧。控制箱7输入115V或者230V的交流电源。

Claims (9)

  1. 一种自动调速的ECM电机，所述的ECM电机包括电机控制器(1)及电机实体(2)，所述的电机实体(2)包括定子组件(21)、转子组件(22)和机壳组件(23)，定子组件(21)、转子组件(22)安装在机壳组件(23)里面，定子组件(21)包括定子铁芯(211)和卷绕在定子铁芯(211)上的线圈绕组(212)，转子组件(22)包括转子铁芯(221)和嵌套在转子铁芯(221)里面的永磁体(222)，所述的电机控制器(1)包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连接卷绕在定子铁芯(211)上的线圈绕组(212)，电机控制器(1)的微处理器还连接有第一温度探测单元和第二温度探测单元，其特征在于：第一温度探测单元和第二温度探测单元分别置于ECM电机外部的不同的位置以分别探测外界不同位置的温度T1和温度T2，若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行。
  2. 一种冰柜，包括压缩机、盘管蒸发器、蒸发器风扇，其中蒸发器风扇包括风扇壳体(3)、ECM电机和若干片风叶(4)，压缩机向盘管蒸发器供应冷却媒介，风扇壳体(3)的进风口(31)一侧安装有盘管蒸发器，风扇壳体(3)的另一侧设置出风口(32)，ECM电机安装在风扇壳体(3)的内部，ECM电机的输出轴上安装有若干片风叶(4)，ECM电机和风叶(4)位于盘管蒸发器与出风口(32)之间，所述的ECM电机包括电机控制器(1)及电机实体(2)，所述的电机实体(2)包括定子组件(21)、转子组件(22)和机壳组件(23)，定子组件(21)、转子组件(22)安装在机壳组件(23)里面，定子组件(21)包括定子铁芯(211)和卷绕在定子铁芯(211)上的线圈绕组(212)，转子组件(22)包括转子铁芯(221)和嵌套在转子铁芯(221)里面的永磁体(222)，所述的 电机控制器(1)包括控制线路板，控制线路板上设置微处理器、IGBT模块、电机运行参数检测单元，电机运行参数检测单元将电机运行数据传输到微处理器，微处理器输出端连接IGBT模块的输入端，IGBT模块的输出端连接卷绕在定子铁芯(221)上的线圈绕组(222)，电机控制器(1)的微处理器还连接有第一温度探测单元(5)和第二温度探测单元(6),第一温度探测单元(5)和第二温度探测单元(6)分别置于ECM电机外部,第一温度探测单元(5)位于风扇壳体(3)的进风口(31)附近用于检测热空气温度T1,第二温度探测单元(6)位于风扇壳体(3)的出风口(32)附近用于检测冷空气温度T2，其特征在于:若温度T1与温度T2的温度差小于等于设定值T0时，则微处理器选择第一档速度S1并控制电机以第一档速度S1恒速运行，若温度T1与温度T2的温度差大于设定值T0时，则微处理器选择第二档速度S2并控制电机以第二档速度S2恒速运行，第二档速度S2大于第一档速度S1。
  3. 根据权利要求2所述的一种冰柜，其特征在于：微处理器控制ECM电机初始启动运行时控制电机以第二档速度S2恒速运行。
  4. 根据权利要求2或3所述的一种冰柜，其特征在于：第一档速度S1是800rpm,第二档速度S2是1550rpm。
  5. 根据权利要求2或3所述的一种冰柜，其特征在于：设定值T0是1摄氏度至50摄氏度的范围内。
  6. 根据权利要求2或3所述的一种冰柜，其特征在于：风扇壳体的里面中部安装有控制箱(7)，ECM电机的电机控制器与控制箱电连接。
  7. 根据权利要求2或3所述的一种冰柜，其特征在于：第一温度探测单元和第二温度探测单元都是热电偶。
  8. 根据权利要求2或3所述的一种冰柜，其特征在于：风扇壳体(3)的出风口(32)出设置过滤网(8)，第二温度探测单元(6)位于过滤网(8)的外侧。
  9. 根据权利要求6所述的一种冰柜，其特征在于：控制箱(7)输入115V 或者230V的交流电源。
PCT/CN2015/071486 2014-12-13 2015-01-23 一种自动调速的ecm电机及其应用的冰柜 WO2016090735A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MX2016016290A MX2016016290A (es) 2014-12-13 2015-01-23 Motor ecm que regula automaticamente la velocidad y congelador que utiliza el mismo.
CA2951319A CA2951319C (en) 2014-12-13 2015-01-23 Automatic speed regulating ecm motor and freezer using same
US15/334,264 US10469002B2 (en) 2014-12-13 2016-10-25 Electrically commutated motor and freezer comprising the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410771652.5 2014-12-13
CN201410771652.5A CN105762986B (zh) 2014-12-13 2014-12-13 一种自动调速的ecm电机及其应用的冰柜

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/334,264 Continuation-In-Part US10469002B2 (en) 2014-12-13 2016-10-25 Electrically commutated motor and freezer comprising the same

Publications (1)

Publication Number Publication Date
WO2016090735A1 true WO2016090735A1 (zh) 2016-06-16

Family

ID=56106526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/071486 WO2016090735A1 (zh) 2014-12-13 2015-01-23 一种自动调速的ecm电机及其应用的冰柜

Country Status (5)

Country Link
US (1) US10469002B2 (zh)
CN (1) CN105762986B (zh)
CA (1) CA2951319C (zh)
MX (1) MX2016016290A (zh)
WO (1) WO2016090735A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112003542B (zh) * 2019-07-18 2024-04-02 江西瑞华智能科技有限公司 一种基于温差的风机调速及过温保护电路
CN114636238B (zh) * 2022-04-19 2023-04-28 珠海格力电器股份有限公司 电机温升控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2063720U (zh) * 1990-03-30 1990-10-10 刘平 冰箱电机变频调速器
JPH10288408A (ja) * 1997-04-10 1998-10-27 Yaskawa Electric Corp 省エネルギー冷凍システムの制御方法
CN2417438Y (zh) * 2000-01-24 2001-01-31 孔令生 间接制冷无霜节能电冰柜
CN202833210U (zh) * 2012-06-30 2013-03-27 中山大洋电机股份有限公司 一种直流电机驱动的引风机
CN103546077A (zh) * 2012-07-13 2014-01-29 三星电子株式会社 电机驱动装置以及使用该电机驱动装置的冰箱

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623834A (en) * 1995-05-03 1997-04-29 Copeland Corporation Diagnostics for a heating and cooling system
IT1284486B1 (it) * 1996-09-06 1998-05-21 De Longhi Spa Procedimento e dispositivo per il rilevamento di una corrente gassosa
US6560980B2 (en) * 2000-04-10 2003-05-13 Thermo King Corporation Method and apparatus for controlling evaporator and condenser fans in a refrigeration system
AU2003208828A1 (en) * 2002-03-02 2003-09-16 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan having an integrated ip protection
US7248006B2 (en) * 2002-07-01 2007-07-24 Xidem, Inc. Electronically controlled electric motor
US7716937B2 (en) * 2005-03-17 2010-05-18 Electrolux Home Products, Inc. Electronic refrigeration control system including a variable speed compressor
JP2008084173A (ja) * 2006-09-28 2008-04-10 Toshiba Corp 冷却機能を有する情報処理装置
CN201322411Y (zh) * 2008-09-11 2009-10-07 深圳市赛为智能股份有限公司 中央空调节电装置
CN203554199U (zh) * 2013-09-30 2014-04-16 中山大洋电机股份有限公司 一种ecm电机结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2063720U (zh) * 1990-03-30 1990-10-10 刘平 冰箱电机变频调速器
JPH10288408A (ja) * 1997-04-10 1998-10-27 Yaskawa Electric Corp 省エネルギー冷凍システムの制御方法
CN2417438Y (zh) * 2000-01-24 2001-01-31 孔令生 间接制冷无霜节能电冰柜
CN202833210U (zh) * 2012-06-30 2013-03-27 中山大洋电机股份有限公司 一种直流电机驱动的引风机
CN103546077A (zh) * 2012-07-13 2014-01-29 三星电子株式会社 电机驱动装置以及使用该电机驱动装置的冰箱

Also Published As

Publication number Publication date
MX2016016290A (es) 2017-02-06
CN105762986A (zh) 2016-07-13
US20170047873A1 (en) 2017-02-16
CA2951319C (en) 2019-03-05
CN105762986B (zh) 2018-06-19
CA2951319A1 (en) 2016-06-16
US10469002B2 (en) 2019-11-05

Similar Documents

Publication Publication Date Title
JP6254276B2 (ja) ファン・モータ風量の検出法
US20110083450A1 (en) Refrigerant System With Stator Heater
JP2017500470A5 (zh)
TWI577953B (zh) 用以降低冷凍系統中噪音之系統及方法
CN111900822B (zh) 一种集成式鼓风加热装置及其控制方法
CN106068601B (zh) 旋转电机装配体
WO2016090735A1 (zh) 一种自动调速的ecm电机及其应用的冰柜
CN102748834A (zh) 一种家用中央空调的hvac控制系统
JP4858001B2 (ja) 回転電機および発電システム
JP6051416B2 (ja) 簡易インバータ制御型冷蔵庫、ならびに、冷蔵庫用インバータ制御ユニットおよびそれを用いたインバータ圧縮機
US9071183B2 (en) Methods and systems for providing combined blower motor and draft inducer motor control
JP5622630B2 (ja) 発電システム
CN202634186U (zh) 电动旋转机器
EP2955384B1 (en) Sensorless low flow electric water pump and method of regulating flow therewith
JP7173856B2 (ja) 電動機組立体
US20160320112A1 (en) Hvac blower motor with speed sensor
TWI789440B (zh) 加熱、通風、空調和製冷（ｈｖａｃ＆ｒ）系統
CN207819674U (zh) 一种自主降温电机
JP2015040523A (ja) 電動圧縮機
US20200011337A1 (en) Impeller integrated motor for centrifugal compressor
JP7160662B2 (ja) 電動機組立体
KR102135670B1 (ko) 온도 및 압력 탐지 기반의 냉동 차량의 작동 제어 장치 및 그 방법
CN205991023U (zh) 冷却风扇
CN203387456U (zh) 一种交流感应电机转速控制系统
JP6245129B2 (ja) 電動圧縮機

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: 15867902

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2951319

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: MX/A/2016/016290

Country of ref document: MX

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15867902

Country of ref document: EP

Kind code of ref document: A1