CN105762986A - 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

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CN105762986A
CN105762986A CN201410771652.5A CN201410771652A CN105762986A CN 105762986 A CN105762986 A CN 105762986A CN 201410771652 A CN201410771652 A CN 201410771652A CN 105762986 A CN105762986 A CN 105762986A
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motor
temperature
microprocessor
gear speed
detecting unit
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CN105762986B (zh
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边文清
胡戈
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Priority to CN201410771652.5A priority Critical patent/CN105762986B/zh
Priority to PCT/CN2015/071486 priority patent/WO2016090735A1/zh
Priority to MX2016016290A priority patent/MX2016016290A/es
Priority to CA2951319A priority patent/CA2951319C/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14Electronic commutators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067Evaporator fan units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner 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
    • H02K1/276Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60Controlling or determining the temperature of the motor or of the drive
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08Arrangements for controlling the speed or torque of a single motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/11Fan speed control
    • F25B2600/112Fan speed control of evaporator fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2117Temperatures of an evaporator
    • F25B2700/21171Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2117Temperatures of an evaporator
    • F25B2700/21171Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21173Temperatures of an evaporator of the fluid cooled by the evaporator at the outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details 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
    • F25D2317/06Details 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
    • F25D2317/068Details 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
    • F25D2317/0681Details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/12Sensors measuring the inside temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/12Sensors measuring the inside temperature
    • F25D2700/122Sensors measuring the inside temperature of freezer compartments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/14Sensors measuring the temperature outside the refrigerator or freezer
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

本发明公开了一种自动调速的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,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。

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。
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