WO2021223363A1 - 一种ec电机 - Google Patents

一种ec电机 Download PDF

Info

Publication number
WO2021223363A1
WO2021223363A1 PCT/CN2020/119471 CN2020119471W WO2021223363A1 WO 2021223363 A1 WO2021223363 A1 WO 2021223363A1 CN 2020119471 W CN2020119471 W CN 2020119471W WO 2021223363 A1 WO2021223363 A1 WO 2021223363A1
Authority
WO
WIPO (PCT)
Prior art keywords
capacitor
ecm
controller
circuit board
motor body
Prior art date
Application number
PCT/CN2020/119471
Other languages
English (en)
French (fr)
Inventor
俞益锋
姜泽
魏君燕
袁志君
Original Assignee
卧龙电气驱动集团股份有限公司
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 卧龙电气驱动集团股份有限公司 filed Critical 卧龙电气驱动集团股份有限公司
Publication of WO2021223363A1 publication Critical patent/WO2021223363A1/zh

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/02—Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/14—Protection against electric or thermal overload
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
    • 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
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Definitions

  • the present invention relates to the field of motors, and in particular to an EC motor.
  • the bus capacitors usually use aluminum electrolytic capacitors.
  • the aluminum electrolytic capacitors will gradually dry up with the use of time, so the filtering and voltage stabilization performance will also be Then, the system will eventually protect itself due to power quality problems, and thus fail to work normally. Therefore, how to extend the life of aluminum electrolytic capacitors or to replace aluminum electrolytic capacitors simply and conveniently has become the most important key point for extending the life of EC motors.
  • the technical problem to be solved and the technical task proposed by the present invention are to perfect and improve the existing technical solutions and provide an EC motor with the purpose of extending the life of the EC motor.
  • the present invention adopts the following technical solutions.
  • An EC motor includes an ECM motor body and an ECM controller located on the left side of the ECM motor body and integrated with the ECM motor body.
  • the ECM controller includes a controller housing, a bus capacitor, a capacitor fixing bracket and a control circuit board,
  • the bus capacitor, the capacitor fixing bracket, and the control circuit board are arranged in the controller housing, and the controller housing is a detachable structure between the ECM motor body, and the controller housing is provided with a capacitor slot, so
  • the capacitor fixing bracket is arranged in the capacitor slot, and the bus capacitor is detachably fixed on the capacitor fixing bracket and electrically connected with the control circuit board.
  • the detachable structure can easily realize the replacement and installation of the bus capacitor.
  • the EC motor's life can be extended by easily replacing the bus capacitor.
  • the bus capacitor By placing the bus capacitor in the capacitor slot, It is installed separately from the control circuit board, which saves the area of the control circuit board, saves costs, makes reasonable use of the space in the controller housing, and improves the power density of the EC motor.
  • the capacitor slot is open to the right
  • the capacitor fixing bracket penetrates left and right
  • the left end surface of the bus capacitor is attached to the cover wall of the controller cover at the bottom of the capacitor slot through a silicon film.
  • the heat of the bus capacitor can be quickly transferred to the controller cover for heat dissipation, which can effectively improve the heat dissipation effect.
  • a thermistor is provided in the capacitor tank as a temperature measuring element, and the thermistor is connected to the control circuit board.
  • the control circuit board can adjust the EC motor's adaptive operation according to the real-time detection of the bus capacitor temperature. When the temperature exceeds the upper limit, it will operate with a limited power. If necessary, it will automatically control shutdown and over-temperature. Alarm, realize the over-temperature protection of the bus capacitor, effectively guarantee the safety of the motor's operation, and improve the operating life of the motor.
  • the bus capacitor is connected to the control circuit board through a metal conductive strip and locked with a metal screw. It can be easily disassembled, and it is convenient to replace the bus capacitor.
  • the outer surface of the controller cover is provided with radiating ribs. It can effectively increase the heat dissipation area of the controller cover and improve the heat dissipation effect.
  • a fan blade is arranged on the output shaft of the ECM motor body, and the air blows toward the ECM motor body, and the outer peripheral side of the controller housing and the ECM motor body are both provided with axial heat dissipation ribs.
  • a detachable wiring compartment cover is provided on the left end of the controller housing. Easy to wire.
  • the right end of the controller cover and the left end cover of the ECM motor body are connected and fixed by bolts on the outer circumference, and the left end surface of the left end cover of the ECM motor body is provided with a surrounding groove.
  • the inner side of the controller is provided with surrounding locating ribs protruding to the left, and the right end of the controller cover is matched with the groove and the locating ribs. It is convenient for the connection and fixation of the controller cover and the ECM motor body, the positioning is accurate, and the connection is convenient.
  • the left end cover of the ECM motor body is provided with left and right through cable holes to penetrate the inside of the ECM motor body and the inside of the ECM controller. It is convenient for the internal outlet of the ECM motor body to connect with the ECM controller.
  • the inner side of the side wall of the controller housing is provided with a plurality of fixing stands for the control circuit board, and the control circuit board is connected and fixed with the fixing stand by metal screws. It is convenient to realize the connection, fixation and disassembly of the control circuit board.
  • the capacitor fixing bracket is a plastic insulating bracket.
  • the plastic insulation bracket can effectively improve the insulation safety effect, and the plastic cost is low.
  • the replacement and installation of the bus capacitor can be easily realized through the detachable structure, and the disassembly and maintenance are convenient.
  • the service life of the bus capacitor expires or is damaged, the EC motor's life can be extended by easily replacing the bus capacitor;
  • the heat dissipation effect and the cooling safe operation mode based on real-time detection of the bus capacitor temperature can better improve the service life of the motor.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • FIG. 2 is a schematic diagram of the blasting of the present invention.
  • Fig. 3 is a schematic diagram of the position of the bus capacitor of the present invention.
  • Fig. 4 is a schematic diagram of the wind direction of the fan blade of the present invention.
  • Fig. 5 is a structural diagram of the left end cover of the ECM motor body of the present invention.
  • an EC motor includes an ECM motor body 1 and an ECM controller 2 located on the left side of the ECM motor body 1 and integrally connected with the ECM motor body 1.
  • the ECM controller 2 includes a controller housing 201, The bus capacitor 202, the capacitor fixing bracket 203, and the control circuit board 204.
  • the bus capacitor 202, the capacitor fixing bracket 203 and the control circuit board 204 are arranged in the controller housing 201.
  • the controller housing 201 and the ECM motor body 1 are in a detachable structure.
  • the controller housing 201 is provided with a capacitor slot 20101, the capacitor fixing bracket 203 is arranged in the capacitor slot 20101, and the bus capacitor 202 is detachably fixed on the capacitor fixing bracket 203 and is detachably electrically connected to the control circuit board 204.
  • the capacitor slot 20101 is open to the right, the capacitor fixing bracket 203 penetrates left and right, and the left end of the bus capacitor 202 is attached to the cover wall of the controller cover 201 at the bottom of the capacitor slot 20101 through the silicon film 205 .
  • the silicon film 205 Through the silicon film 205, the heat of the bus capacitor 202 can be quickly transferred to the controller cover 201 for heat dissipation, which can effectively improve the heat conduction effect and achieve better heat dissipation.
  • a thermistor 206 is provided in the capacitor tank 20101 as a temperature measuring element, and the thermistor 206 is connected to the control circuit board 204.
  • the control circuit board 204 can adjust the EC motor's adaptive operation according to the real-time detection of the temperature of the bus capacitor 202. When the temperature exceeds the upper limit, it will operate with a limited power. If necessary, it will automatically control the shutdown and control. Carry out over-temperature alarm, realize the over-temperature protection of the bus capacitor 202, effectively guarantee the operation safety of the motor, and improve the operating life of the motor.
  • the bus capacitor 202 is connected to the control circuit board 204 through a metal conductive strip 207, and is locked with a metal screw. It can be easily disassembled, and the bus capacitor 202 can be replaced easily.
  • the outer surface of the controller cover 201 is provided with heat dissipation ribs.
  • the heat dissipation area of the controller cover 201 can be effectively increased, and the heat dissipation effect can be improved.
  • a fan blade 3 is provided on the output shaft of the ECM motor body 1, and the air blows toward the ECM motor body 1, and the outer peripheral side of the controller cover 201 and the ECM motor body 1 are both provided with axial heat dissipation ribs.
  • the wind passes between the radiating ribs at the peripheral side and the curved end surface, which can better improve the heat dissipation effect.
  • a detachable wiring compartment cover 208 is provided on the left end of the controller housing 201. Easy to wire.
  • the right end of the controller cover 201 and the left end cover 101 of the ECM motor body 1 are connected and fixed by outer peripheral bolts.
  • the left end surface of the left end cover 101 of the ECM motor body 1 is provided with a surrounding groove 10101.
  • the inner side of 10101 is provided with a surrounding leftwardly protruding positioning rib 10102, and the right end of the controller cover 201 is matched with the groove 10101 and the positioning rib 10102. It is convenient to connect and fix the controller cover 201 and the ECM motor body 1, accurate positioning and convenient connection.
  • the left end cover 101 of the ECM motor body 1 is provided with left and right through cable holes 10103 to penetrate through the inside of the ECM motor body 1 and the inside of the ECM controller 2. It is convenient for the internal outlet of the ECM motor body 1 to be connected to the ECM controller 2.
  • connection, fixing and disassembly of the control circuit board 204 can be conveniently realized.
  • the capacitor fixing bracket 203 is a plastic insulating bracket.
  • the plastic insulation bracket can effectively improve the insulation safety effect, and the plastic cost is low.
  • the thermistor 206 adopts NTC resistance; the metal screw adopts copper screw; the metal conductive strip 207 adopts copper strip; there are 4 outer peripheral bolts for fixing the controller cover 201, arranged in a 90-degree circle.
  • the control circuit board 204 detects the temperature near the bus capacitor 202 in real time.
  • the EC motor first enters the limited power operation state. After a period of time, if the temperature drops to the critical value If the temperature of the bus capacitor 202 still does not drop below the critical value, the EC motor will enter the indirect operation mode on the basis of the limited power operation, that is, run for two minutes, stop for two minutes, and run in a cycle like this . After a period of time, if the temperature drops below the critical value, the motor will keep running indirectly. If the temperature of the bus capacitor 202 still does not fall below the critical value, the motor will stop running and the motor will enter an over-temperature alarm.
  • the life of the EC motor is prolonged.
  • the temperature of the bus capacitor 202 is detected in real time through the thermistor 206, and different operating modes are entered according to different conditions, thereby reducing the temperature rise.
  • the combination of these measures greatly prolongs the life of the EC motor, which meets the 20-year life requirements of some special industries for the EC motor.
  • these methods greatly reduce the cost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)

Abstract

一种EC电机，涉及电机领域，该EC电机包括ECM电机本体（1）和与ECM电机本体（1）可拆卸连接的ECM控制器（2），ECM控制器（2）包括控制器外罩（201）、母线电容（202）、电容固定支架（203）和控制电路板（204），母线电容（202）通过电容固定支架（203）可拆卸地固定于电容槽（20101）内，并与控制电路板（204）可拆卸地电连接，母线电容（202）与控制器外罩（201）罩壁之间设置矽胶片（205）导热，电容槽（20101）内设有热敏电阻（206）连接到控制电路板（204）。通过可拆卸结构可方便地实现母线电容（202）的更换安装，通过方便地更换母线电容（202），并通过温度监控和提升导热效果实现对EC电机寿命的延长。

Description

一种EC电机 技术领域
本发明涉及电机领域，尤其涉及一种EC电机。
背景技术
随着通风技术的发展，工业送风行业智能化、节能化的要求也越来越高，传统AC电机随着新能效要求的推出，正在逐步被节能、高效、智能集成的EC电机所取代，目前国外市场产品更新换代，推进速度相当快，国内市场也紧随其后，EC电机将进入大爆发阶段，EC电机在大幅替代AC电机应用的同时，市场也提出了更加苛刻的15年及以上的长寿命要求，特别是地铁、高铁、隧道、5G数据中心等行业，要求寿命更达20年及以上，所以目前常规的EC电机远远无法满足要求，因此新型的长寿命的EC电机被市场所迫切需要。
限制EC电机寿命的最主要的原因在于母线电容，母线电容常规会使用铝电解电容，铝电解电容会随着使用时间的加长，内部的电解液会逐步干涸，所以滤波、稳压的性能也会随之下降，最终系统会因为电源品质问题而导致系统自身保护，从而无法正常工作。因此何如延长铝电解电容的寿命或者可以简洁、便利的更换铝电解电容成为了延长EC电机寿命的最重要关键点。
因此，设计一种新型EC电机系统，即何如延长铝电解电容的寿命或者简洁、便利的更换铝电解电容是非常有必要的。
发明内容
本发明要解决的技术问题和提出的技术任务是对现有技术方案进行完善与改进，提供一种EC电机，以延长EC电机寿命为目的。为此，本发明采取以下技术方案。
一种EC电机，包括ECM电机本体和位于ECM电机本体左侧并与ECM电机本体连接一体的ECM控制器，所述的ECM控制器包括控制器外罩、母线电容、电容固定支架和控制电路板，所述的母线电容、电容固定支架和控制电路板设于控制器外罩内，所述的控制器外罩与ECM电机本体之间为可拆卸结构，所述的控制器外罩内设有电容槽，所述的电容固定支架设于电容槽内，所述的母线电容可拆卸地固定于电容固定支架上并与控制电路板可拆卸地电连接。通过可拆卸结构可方便地实现母线电容的更换安装，在母线电容寿命到期或损坏的情况下，通过方便地更换母线电容实现对EC电机寿命的延长，通过把母线电容设于电容槽内，与控制电路板分开安装，节省了控制电路板的面积，节省了成本，合理利用了控制器外罩内的空间，提升了EC电机的功率密度。
作为优选技术手段：所述的电容槽向右敞口，所述的电容固定支架左右向贯通，母线电容的左端面通过矽胶片与电容槽槽底的控制器外罩的罩壁相贴。通过矽胶片可以快速的把母线电容的热量传导到控制器外罩进行散热，能够有效提升散热效果。
作为优选技术手段：所述的电容槽内设有热敏电阻作为测温元件，所述的热敏电阻连接到控制电路板上。在母线电容温度上升到一定程度后，控制电路板可以根据对母线电容温度实时检测的对EC电机进行适应性运行调节，在超出温度上限时进行限功率运行， 必要时自动控制停机并进行过温报警，实现母线电容的过温保护，有效保障电机的运行安全性，提高电机运行寿命。
作为优选技术手段：所述的母线电容通过金属导电条与控制电路板连接，用金属螺丝锁紧。可方便地实现拆卸，便于更换母线电容。
作为优选技术手段：所述的控制器外罩外表面设有散热筋。可以有效提升控制器外罩的散热面积，提升散热效果。
作为优选技术手段：所述的ECM电机本体的出轴上设置扇叶，吹风朝向ECM电机本体，所述的控制器外罩和ECM电机本体的外周侧均设有轴向的散热筋。通过把风吹向ECM电机本体和ECM控制器，风从周侧和弯曲端面处的散热筋间穿过，可以更好地提升散热效果。
作为优选技术手段：所述的控制器外罩的左端面设有可拆卸的接线仓盖。便于接线。
作为优选技术手段：所述的控制器外罩的右端与ECM电机本体的左端罩之间通过外周的螺栓连接固定，所述的ECM电机本体的左端罩的左端面设有环绕的凹槽，凹槽的内侧设有环绕的向左凸起的定位筋，所述的控制器外罩的右端与凹槽和定位筋相配。便于控制器外罩与ECM电机本体的连接固定，定位准确，连接方便。
作为优选技术手段：所述的ECM电机本体的左端罩设有左右贯穿的线缆孔以贯通ECM电机本体内部和ECM控制器内部。便于ECM电机本体内部出线与ECM控制器连接。
作为优选技术手段：所述的控制器外罩的侧壁内侧设有多个控制电路板的固定台，控制电路板通过金属螺丝与固定台连接固定。可方便实现控制电路板的连接固定和拆卸。
作为优选技术手段：所述的电容固定支架为塑料绝缘支架。塑料绝缘支架可有效提升绝缘安全效果，且塑料成本低。
有益效果：通过可拆卸结构可方便地实现母线电容的更换安装，拆解维护方便，在母线电容寿命到期或损坏的情况下，通过方便地更换母线电容实现对EC电机寿命的延长；通过提升散热效果和通过基于对母线电容温度实时检测的降温安全运行模式，可更好地提升电机使用寿命。
附图说明
图1是本发明结构示意图。
图2是本发明爆破示意图。
图3是本发明母线电容位置示意图。
图4是本发明扇叶风向示意图。
图5是本发明ECM电机本体的左端罩结构示意图。
图中：1-ECM电机本体；2-ECM控制器；3-扇叶；101-左端罩；10101-凹槽；10102-定位筋；10103-线缆孔；201-控制器外罩；202-母线电容；203-电容固定支架；204-控制电路板；205-矽胶片；206-热敏电阻；207-金属导电条；208-接线仓盖；20101-电容槽；20102-固定台。
具体实施方式
以下结合说明书附图对本发明的技术方案做进一步的详细说明。
如图1-5所示，一种EC电机，包括ECM电机本体1和位于ECM电机本体1左侧并与ECM电机本体1连接一体的ECM控制器2，ECM控制器2包括控制器外罩201、母线电容202、电容固定支架203和控制电路板204，母线电容202、电容固定支架203和控制电路板204设于控制器外罩201内，控制器外罩201与ECM电机本体1之间为可拆卸结构，控制器外罩201内设有电容槽20101，电容固定支架203设于电容槽20101内，母线电容202可拆卸地固定于电容固定支架203上并与控制电路板204可拆卸地电连接。
为了实现较好地散热效果，电容槽20101向右敞口，电容固定支架203左右向贯通，母线电容202的左端面通过矽胶片205与电容槽20101槽底的控制器外罩201的罩壁相贴。通过矽胶片205可以快速的把母线电容202的热量传导到控制器外罩201进行散热，能够有效提升导热效果，实现较好地散热。
为了保障电机的运行安全性，电容槽20101内设有热敏电阻206作为测温元件，热敏电阻206连接到控制电路板204上。在母线电容202温度上升到一定程度后，控制电路板204可以根据对母线电容202温度实时检测的对EC电机进行适应性运行调节，在超出温度上限时进行限功率运行，必要时自动控制停机并进行过温报警，实现母线电容202的过温保护，有效保障电机的运行安全性，提高电机运行寿命。
为了方便拆卸，母线电容202通过金属导电条207与控制电路板204连接，用金属螺丝锁紧。可方便地实现拆卸，便于更换母线电容202。
为了提升散热效果，控制器外罩201外表面设有散热筋。可以有效提升控制器外罩201的散热面积，提升散热效果。
为了更好地提升散热效果，ECM电机本体1的出轴上设置扇叶3，吹风朝向ECM电机本体1，控制器外罩201和ECM电机本体1的外周侧均设有轴向的散热筋。通过把风吹向ECM电机本体1和ECM控制器2，风从周侧和弯曲端面处的散热筋间穿过，可以更好地提升散热效果。
为了便于接线，控制器外罩201的左端面设有可拆卸的接线仓盖208。便于接线。
为了方便连接固定，控制器外罩201的右端与ECM电机本体1的左端罩101之间通过外周的螺栓连接固定，ECM电机本体1的左端罩101的左端面设有环绕的凹槽10101，凹槽10101的内侧设有环绕的向左凸起的定位筋10102，控制器外罩201的右端与凹槽10101和定位筋10102相配。便于控制器外罩201与ECM电机本体1的连接固定，定位准确，连接方便。
为了实现ECM电机本体1内部出线，ECM电机本体1的左端罩101设有左右贯穿的线缆孔10103以贯通ECM电机本体1内部和ECM控制器2内部。便于ECM电机本体1内部出线与ECM控制器2连接。
为了实现对控制电路板204的连接固定，控制器外罩201的侧壁内侧设有3个控制电路板204的固定台20102，控制电路板204通过金属螺丝与固定台20102连接固定。可方便实现控制电路板204的连接固定和拆卸。
为了提升安全性，电容固定支架203为塑料绝缘支架。塑料绝缘支架可有效提升绝缘安全效果，且塑料成本低。
本实例中，热敏电阻206采用NTC电阻；金属螺丝采用铜螺丝；金属导电条207采用 铜条；固定控制器外罩201的外周螺栓共4个，按90度环绕排列。
EC电机运行时，控制电路板204实时检测母线电容202附近的温度，当母线电容202附近温度≥临界值时，EC电机率先进入限功率运行状态，当经过一段时间后，如温度降低至临界值以下，那么电机将保持限功率运行，如母线电容202温度仍然没有降低至临界值以下，EC电机在限功率运行的基础上进入间接性运行模式，即运行两分钟，停止两分钟，如此循环运行。当经过一段时间后，如温度降低至临界值以下，那么电机将保持间接性运行，如母线电容202温度仍然没有降低至临界值以下，那么电机将停止运行，电机进入过温报警。
通过优化母线电容202的安装、导热，易拆解、维护方面，延长EC电机的寿命，通过热敏电阻206实时检测母线电容202温度，根据不同的情况进入不同的运行模式，从而降低温升，结合这些措施使EC电机的寿命大大延长，符合一些特种行业对EC电机20年寿命的要求，同时相比于直接更换EC电机或者EC电机控制器等这些方法大大降低了成本。
以上图1-5所示的一种EC电机是本发明的具体实施例，已经体现出本发明突出的实质性特点和显著进步，可根据实际的使用需要，在本发明的启示下，对其进行形状、结构等方面的等同修改，均在本方案的保护范围之列。

Claims (10)

  1. 一种EC电机，其特征在于：包括ECM电机本体(1)和位于ECM电机本体(1)左侧并与ECM电机本体(1)连接一体的ECM控制器(2)，所述的ECM控制器(2)包括控制器外罩(201)、母线电容(202)、电容固定支架(203)和控制电路板(204)，所述的母线电容(202)、电容固定支架(203)和控制电路板(204)设于控制器外罩(201)内，所述的控制器外罩(201)与ECM电机本体(1)之间为可拆卸结构，所述的控制器外罩(201)内设有电容槽(20101)，所述的电容固定支架(203)设于电容槽(20101)内，所述的母线电容(202)可拆卸地固定于电容固定支架(203)上并与控制电路板(204)可拆卸地电连接。
  2. 根据权利要求1所述的一种EC电机，其特征在于：所述的电容槽(20101)向右敞口，所述的电容固定支架(203)左右向贯通，母线电容(202)的左端面通过矽胶片(205)与电容槽(20101)槽底的控制器外罩(201)的罩壁相贴。
  3. 根据权利要求1所述的一种EC电机，其特征在于：所述的电容槽(20101)内设有热敏电阻(206)作为测温元件，所述的热敏电阻(206)连接到控制电路板(204)上。
  4. 根据权利要求1所述的一种EC电机，其特征在于：所述的母线电容(202)通过金属导电条(207)与控制电路板(204)连接，用金属螺丝锁紧。
  5. 根据权利要求1所述的一种EC电机，其特征在于：所述的控制器外罩(201)外表面设有散热筋。
  6. 根据权利要求1所述的一种EC电机，其特征在于：所述的ECM电机本体(1)的出轴上设置扇叶(3)，吹风朝向ECM电机本体(1)，所述的控制器外罩(201)和ECM电机本体(1)的外周侧均设有轴向的散热筋。
  7. 根据权利要求1所述的一种EC电机，其特征在于：所述的控制器外罩(201)的左端面设有可拆卸的接线仓盖(208)。
  8. 根据权利要求1所述的一种EC电机，其特征在于：所述的控制器外罩(201)的右端与ECM电机本体(1)的左端罩(101)之间通过外周的螺栓连接固定，所述的ECM电机本体(1)的左端罩(101)的左端面设有环绕的凹槽(10101)，凹槽(10101)的内侧设有环绕的向左凸起的定位筋(10102)，所述的控制器外罩(201)的右端与凹槽(10101)和定位筋(10102)相配。
  9. 根据权利要求1所述的一种EC电机，其特征在于：所述的ECM电机本体(1)的左端罩(101)设有左右贯穿的线缆孔(10103)以贯通ECM电机本体(1)内部和ECM控制器(2)内部。
  10. 根据权利要求4所述的一种EC电机，其特征在于：所述的控制器外罩(201)的侧壁内侧设有多个控制电路板(204)的固定台(20102)，控制电路板(204)通过金属螺丝与固定台(20102)连接固定。
PCT/CN2020/119471 2020-05-08 2020-09-30 一种ec电机 WO2021223363A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010381328.8 2020-05-08
CN202010381328.8A CN111446822A (zh) 2020-05-08 2020-05-08 一种ec电机

Publications (1)

Publication Number Publication Date
WO2021223363A1 true WO2021223363A1 (zh) 2021-11-11

Family

ID=71652142

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/119471 WO2021223363A1 (zh) 2020-05-08 2020-09-30 一种ec电机

Country Status (2)

Country Link
CN (1) CN111446822A (zh)
WO (1) WO2021223363A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446822A (zh) * 2020-05-08 2020-07-24 卧龙电气驱动集团股份有限公司 一种ec电机
CN116111785A (zh) * 2021-11-11 2023-05-12 浙江盘毂动力科技有限公司 具有外置式整流的控制器及轴向磁场电机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202221954U (zh) * 2011-06-02 2012-05-16 中山大洋电机制造有限公司 一种电机控制器的电容放置结构及其应用的电子换向电机
US20180006520A1 (en) * 2016-07-01 2018-01-04 Denso Corporation Motor device
CN108282057A (zh) * 2018-02-02 2018-07-13 卧龙电气集团股份有限公司 一种基于精确磁链查表法进行恒转矩控制的ecm电机及方法
CN207732579U (zh) * 2018-02-02 2018-08-14 卧龙电气集团股份有限公司 一种ec电机
CN209593217U (zh) * 2018-12-14 2019-11-05 卧龙电气集团股份有限公司 一种新型一体式ecm电机
CN210405834U (zh) * 2019-06-04 2020-04-24 比亚迪股份有限公司 电机控制器及车辆
CN111446822A (zh) * 2020-05-08 2020-07-24 卧龙电气驱动集团股份有限公司 一种ec电机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202221954U (zh) * 2011-06-02 2012-05-16 中山大洋电机制造有限公司 一种电机控制器的电容放置结构及其应用的电子换向电机
US20180006520A1 (en) * 2016-07-01 2018-01-04 Denso Corporation Motor device
CN108282057A (zh) * 2018-02-02 2018-07-13 卧龙电气集团股份有限公司 一种基于精确磁链查表法进行恒转矩控制的ecm电机及方法
CN207732579U (zh) * 2018-02-02 2018-08-14 卧龙电气集团股份有限公司 一种ec电机
CN209593217U (zh) * 2018-12-14 2019-11-05 卧龙电气集团股份有限公司 一种新型一体式ecm电机
CN210405834U (zh) * 2019-06-04 2020-04-24 比亚迪股份有限公司 电机控制器及车辆
CN111446822A (zh) * 2020-05-08 2020-07-24 卧龙电气驱动集团股份有限公司 一种ec电机

Also Published As

Publication number Publication date
CN111446822A (zh) 2020-07-24

Similar Documents

Publication Publication Date Title
WO2021223363A1 (zh) 一种ec电机
CN111478499A (zh) 一种用于开关磁阻电机自散热系统
CN115954577A (zh) 一种高效风冷散热的电池储能系统
CN212909260U (zh) 一种散热效果好的电机
CN211744262U (zh) 一种ec电机
CN210443896U (zh) 一种通风型配电柜
CN210806375U (zh) 一种可自动散热的配电柜
CN217882748U (zh) 一种高稳定性的中高电压直流母线槽
CN221306357U (zh) 一种电机控制器及应用其的大功率的分体式bldc电机
CN217335362U (zh) 一种变频调速一体机
CN216490243U (zh) 一种带有车载逆变器的漏电保护电路的车载逆变器
CN215912045U (zh) 一种电气自动化工程用多重散热的整流器
CN220915145U (zh) 一种变频器控制柜
CN221305772U (zh) 一种在线软起动器
CN214143923U (zh) 一种具有节能的供水变频控制柜
CN209895981U (zh) 一种新型稳定型k11辅变接触器
CN210744882U (zh) 一种具有良好散热结构的调速电机
CN213368423U (zh) 一种高安全性直流电源
CN215935370U (zh) 一种智能模块过温保护机构
CN220711327U (zh) 一种散热好的空调变频器
CN219892715U (zh) 一种户外低压隔热配电箱
CN219304306U (zh) 一种金风750kw风机控制柜散热装置
CN213694611U (zh) 用于抽油机的智能变频控制柜装置
CN215979691U (zh) 风电机组变桨电机用散热组件
CN207111484U (zh) 一种机车变流器柜的通风机

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: 20934725

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: 20934725

Country of ref document: EP

Kind code of ref document: A1