WO2018006491A1 - 一种电压转换开关结构及其应用电机 - Google Patents

一种电压转换开关结构及其应用电机 Download PDF

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Publication number
WO2018006491A1
WO2018006491A1 PCT/CN2016/098493 CN2016098493W WO2018006491A1 WO 2018006491 A1 WO2018006491 A1 WO 2018006491A1 CN 2016098493 W CN2016098493 W CN 2016098493W WO 2018006491 A1 WO2018006491 A1 WO 2018006491A1
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Prior art keywords
end cover
casing
plug
motor
switch structure
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PCT/CN2016/098493
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English (en)
French (fr)
Inventor
林海奇
陈挥秀
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中山大洋电机股份有限公司
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Publication of WO2018006491A1 publication Critical patent/WO2018006491A1/zh

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    • 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
    • H02K11/28—Manual switches

Definitions

  • the invention relates to a voltage conversion switch structure and an application motor thereof.
  • the pump-type motors are all equipped with a rear cover.
  • the rear cover has high and low voltage plug-in components, capacitors, centrifugal switches, contact components, thermostats, etc.
  • the high-low voltage connector components can be replaced after the rear cover is removed.
  • the existing high and low voltage connector assembly is installed on the terminal block.
  • the high and low voltage connectors can be changed after the rear cover needs to be removed. When the fault occurs, the motor rear cover must be removed, and then the high and low voltage connector components can be inserted to replace the high and low voltage. Voltage, operation is cumbersome.
  • a first object of the present invention is to provide a voltage conversion switch structure, which is provided with a clip connected by a connecting rib on one side of the junction box, and the clip can be buckled on the mounting hole of the casing of the motor to prevent the voltage from being converted.
  • the transfer switch is offset and the installation is firm and secure.
  • a second object of the present invention is to provide a motor having a through hole at a position corresponding to the conversion plug of the rear end cover, the diameter of the through hole being larger than the size of the protrusion so that the protrusion can protrude beyond the rear end cover, and the protrusion is passed through the protrusion
  • the operation is simple.
  • a voltage conversion switch structure comprises a conversion plug and a junction box, a plurality of jacks are arranged in the junction box, a connection terminal is installed in the jack, a plurality of connection terminals are arranged on the bottom surface of the conversion plug, and a top surface of the conversion plug is provided with a
  • the bumps are respectively connected to the coil windings of the motor and the plug terminals of the conversion plugs, and one side of the junction box is provided with a clip connected by the connecting ribs.
  • the clip described above comprises an inner baffle, an outer baffle and a plug body connected between the inner baffle and the outer baffle, the connecting rib is connected with the inner baffle, and the width ratio of the inner baffle and the outer baffle is the plug body The width is wide to form a card slot between the inner baffle and the outer baffle and the plug body, and the top surfaces of the outer baffle and the plug body are higher than the top surface of the inner baffle.
  • the connecting ribs described above are provided with reinforcing ribs.
  • the first indication mark and the second indication mark are respectively disposed on the two end edges of the top surface of the junction box, and one end surface of the conversion plug protrudes from the side panel, and the side panel is used to block the first indication mark or the second indication mark.
  • An electric motor includes a rotating shaft, a rotor assembly, a stator assembly, a casing and an end cover, the end cover includes a front end cover and a rear end cover, the rotor assembly is set on the rotating shaft, and the rotor assembly and the stator assembly are mounted in the casing, An end cover is installed at an end of the casing, and a mounting hole is disposed at an end of the casing, and a voltage conversion switch structure is mounted on the mounting hole, and the voltage conversion switch structure is the voltage conversion switch structure described above, and the buckle is The clip can be snapped onto the mounting hole of the housing of the motor.
  • the motor described above further comprises a centrifugal switch and a wiring board, the stator assembly comprising a stator core, an end insulation and a coil winding, the end insulation is mounted at the end of the stator core, and the coil winding is wound on the stator core
  • the stator assembly and the casing are connected together and nested outside the rotor assembly.
  • the front end cover and the rear end cover are mounted on both ends of the casing, and the rotating shaft is supported on the bearings of the front end cover and the rear end cover, and the centrifugal switch is mounted on the rotating shaft, and is located behind Below the bearing of the end cap, a wiring board is mounted on the casing. With a built-in centrifugal switch, no rear cover is required.
  • the rear end cover has a through hole corresponding to the position of the conversion plug, and the through hole has a larger diameter than the protrusion so that the protrusion can protrude outside the rear end cover.
  • the bump of the voltage conversion switch can be used to adjust the high and low voltage without disassembling the motor to replace the high and low voltage.
  • the top surface of the rear end cover described above is disposed outside the edge of the through hole with a third indicator mark and a fourth indicator mark.
  • the above-mentioned motor is equipped with a starting resistor, and the coil winding is connected to the starting resistor and the junction box.
  • the invention has the following effects:
  • junction box One side of the junction box is provided with a clip that is connected by a connecting rib.
  • the clip can be directly mounted on the casing of the motor, which is convenient to install and prevents the switching of the switching voltage conversion switch.
  • the clip includes an inner baffle, an outer baffle, and a plug body connected between the inner baffle and the outer baffle, and the connecting rib is connected with the inner baffle, between the inner baffle and the outer baffle, and the plug body is formed
  • the card slot can be directly engaged with the casing through the card slot to prevent the transfer switch from being offset, easy to install, and firm and secure;
  • the connecting rib is provided with reinforcing ribs to make the overall structure more sturdy; Set up
  • the first indicator mark and the second indicator mark are convenient for the operator to perform voltage conversion.
  • the rear end cover is provided with a through hole corresponding to the position of the conversion plug, the diameter of the through hole is larger than the size of the protrusion so that the protrusion can protrude outside the rear end cover, and the bump is inserted through the bump to facilitate the insertion and removal of the conversion plug.
  • the plug is rotated by 180°, the internal wiring of the motor is changed, the high and low voltages are changed, the high and low voltages are easily replaced, and the operation is easy; the third indicator mark and the fourth indicator mark are provided on the top surface of the rear end cover outside the edge of the through hole, which is convenient The operator performs voltage conversion, which is more intuitive.
  • FIG. 1 is a schematic perspective view of a first embodiment
  • FIG. 2 is a perspective view showing a perspective view of another embodiment
  • Figure 3 is a schematic exploded perspective view of the first embodiment
  • Figure 4 is a front elevational view of Embodiment 1;
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a perspective view showing the structure of the second embodiment
  • Figure 7 is a partial structural exploded view of Embodiment 2.
  • Fig. 8 is a schematic exploded perspective view showing the structure of the second embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment is a voltage conversion switch structure including a conversion plug 1 and a junction box 2.
  • the junction box 2 is provided with a plurality of insertion holes 21, and the connection terminals are installed in the insertion holes 21.
  • a plurality of connector terminals 11 are disposed on the bottom surface of the conversion plug 1, and a top surface of the conversion plug 1 is provided with a bump 12, and two ends of the connection terminal 211 are respectively used for connecting with the coil winding of the motor and the connector terminal 11 of the conversion plug 1.
  • One side of the junction box 2 is provided with a clip 3 connected by a connecting rib 22.
  • the clip 3 includes an inner baffle 31, an outer baffle 32, and a plug body 33 connected between the inner baffle 31 and the outer baffle 32.
  • the connecting rib 22 is connected to the inner baffle 31, the inner baffle 31 and the outer side.
  • the width of the baffle 32 is wider than the width of the plug body 33 to be between the inner baffle 31 and the outer baffle 32, and the plug body 33 forms a card slot 34, and the top surfaces of the outer baffle 32 and the plug body 33 are both higher than the top surface of the inner baffle 31.
  • the connecting rib 22 is provided with a reinforcing rib 221 .
  • a first indicator mark 23 and a second indicator mark 24 are respectively disposed on the two end edges of the top surface of the junction box 2, and one end surface of the conversion plug 1 protrudes from the side panel 13, and the side panel 13 is used to block the first indicator mark 23 or The second indicator mark 24.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • An electric motor includes a rotating shaft 41, a rotor assembly 42, a stator assembly 43, a casing 44 and an end cover, the end cover including a front end cover 45 and a rear end cover 46, the rotor assembly 42 being fitted on the rotating shaft 41, and the rotor assembly 42
  • the stator assembly 43 is mounted inside the casing 44.
  • the end of the casing 44 is provided with an end cover.
  • the end of the casing 44 is provided with a mounting hole 441.
  • the mounting hole 441 is mounted with a voltage conversion switch structure.
  • the transfer switch structure is the voltage change switch structure of the first embodiment, and the clip 3 can be snapped onto the mounting hole 441 of the casing 44 of the motor.
  • centrifugal switch 47 including a stator core 431, an end insulation and a coil winding 432, an end insulation mounted at the end of the stator core 431, and a coil winding 432 wound around the stator.
  • the stator assembly 43 and the casing 44 are connected together and nested outside the rotor assembly 42, and the front end cover 45 and the rear end cover 46 are mounted at both ends of the casing 44, and the rotating shaft 41 is supported by the front end cover 45 and the rear end cover.
  • the centrifugal switch 47 is mounted on the rotating shaft 41, below the bearing 49 of the rear end cover 46, and the wiring board 48 is mounted on the casing 44. With the built-in centrifugal switch 47, a rear cover is not required.
  • the rear end cover 46 is provided with a through hole 461 corresponding to the position of the conversion plug 1.
  • the diameter of the through hole 461 is larger than that of the protrusion 12 so that the protrusion 12 can protrude outside the rear end cover 46.
  • the high and low voltages are adjusted by the through holes 461 of the rear end cover 46 for the bumps 12 of the voltage change switch without disassembling the motor to replace the high and low voltages.
  • the top surface of the rear end cover 46 is located outside the edge of the through hole 461 and is provided with a third indicator mark 462 and a fourth indicator mark 463.
  • a starting resistor is mounted in the motor, and the coil winding is connected to the starting resistor and the junction box 2.
  • One side of the junction box 2 is provided with a clip 3 connected by a connecting rib 22, which can be directly mounted It is mounted on the casing 44 of the motor, which is convenient to install, prevents the switching of the conversion voltage conversion switch, is firm and firm to install, and has a simple structure.
  • the clip 3 includes an inner baffle 31, an outer baffle 32, and a plug body 33 connected between the inner baffle 31 and the outer baffle 32.
  • the connecting rib 22 is connected to the inner baffle 31, and the inner baffle 31 and the outer side block Between the plates 32, the plug body 33 forms a card slot 34, which can be directly engaged with the casing 44 through the card slot 34 to prevent the shift switch from being offset and convenient to install; the connecting rib 22 is provided with a reinforcing rib 221 to make the overall structure more complete. Sturdy, the first indicator mark 23 and the second indicator mark 24 are respectively disposed on the two end edges of the top surface of the junction box 2, which is convenient for the operator to perform voltage conversion, and is relatively intuitive.
  • the rear end cover 46 is provided with a through hole 461 corresponding to the position of the conversion plug 1.
  • the diameter of the through hole 461 is larger than the height of the protrusion 12 so that the protrusion 12 can protrude out of the rear end cover 46, and is passed through the protrusion 12 for insertion and removal.
  • the conversion plug 1 is rotated by 180°, the internal wiring of the motor is changed, thereby changing the high and low voltages, the operation is easy, and the high and low pressures are easily replaced;
  • the top surface of the rear end cover 46 is located outside the edge of the through hole 461 and has a third
  • the indicator mark 462 and the fourth indicator mark 463 can facilitate the operator to perform voltage conversion, which is relatively intuitive.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

一种电压转换开关结构及其应用电机，电压转换开关结构，包括转换插头（1）和接线盒（2），接线盒（2）里设有若干个插孔（21），在插孔（21）里安装有连接端子（211），转换插头（1）底面设置若干个接插端子（11），转换插头（1）的顶面设有一凸块（12），连接端子（211）的两端分别用于与电机的线圈绕组和转换插头（1）的接插端子（11）连接，接线盒（2）的一侧设有通过连接筋（22）连接的扣夹可以直接安装在电机的机壳上，安装方便，防止转换电压转换开关偏移,安装稳固牢靠，连接筋（22）上设有加强筋（221），使整体结构更加坚固。

Description

一种电压转换开关结构及其应用电机 技术领域：
本发明涉及一种电压转换开关结构及其应用电机。
背景技术：
现在生产泵类电机有都带有后罩，后罩里有高低压接插组件、电容、离心开关、触点组件、温控器等，需拆卸后罩后才能更换调整高低压接插组件。
现有的高低压接插组件安装在接线板上，需要拆除后罩后才能更改高低压的接插件，遇到故障时，要拆除电机后罩，再拔插高低压接插组件，才能更换高低电压，操作繁琐。
发明内容：
本发明的第一个目的是提供一种电压转换开关结构,在接线盒的一侧设有通过连接筋连接的扣夹，扣夹可卡扣在电机的机壳的安装孔上，防止转换电压转换开关偏移,安装稳固牢靠。
本发明的第二个目的是提供一种电机，在后端盖对应转换插头位置上设有一通孔，通孔的直径比凸块尺寸大以便凸块能伸出到后端盖外，通过凸块以便于拔插转换插头更换高低压，操作简单。
本发明的目的是通过下述技术方案予以实现的。
一种电压转换开关结构，包括转换插头和接线盒，接线盒里设有若干个插孔，在插孔里安装有连接端子，转换插头底面设置若干个接插端子，转换插头的顶面设有一凸块，连接端子的两端分别用于与电机的线圈绕组和转换插头的接插端子连接，接线盒的一侧设有通过连接筋连接的扣夹。
上述所述的扣夹包括内侧挡板、外侧挡板以及连接在内侧挡板和外侧挡板之间的塞体，连接筋与内侧挡板连接，内侧挡板和外侧挡板的宽度比塞体的宽度要宽，以在内侧挡板、外侧挡板之间、塞体形成卡槽，外侧挡板和塞体的顶面均高于内侧挡板顶面。
上述所述的连接筋上设有加强筋。
上述所述的接线盒顶面两端边缘上分别设置有第一指示标志和第二指示标志，转换插头的一端面伸出侧板，侧板用于遮挡第一指示标志或第二指示标志。
一种电机，包括转轴、转子组件、定子组件、机壳和端盖，所述的端盖包括前端盖和后端盖，转子组件套装在转轴上，转子组件和定子组件安装在机壳里面，机壳的端部安装有端盖，其在机壳的端部设置有安装孔，安装孔上安装有电压转换开关结构，所述的电压转换开关结构是上述所述的电压转换开关结构，扣夹可卡扣在电机的机壳的安装孔上。
上述所述的电机还包括离心开关和接线板，所述的定子组件包括定子铁芯、端部绝缘和线圈绕组，端部绝缘安装在定子铁芯端部，线圈绕组卷绕在定子铁芯上，定子组件与机壳连接在一起嵌套在转子组件外面，前端盖和后端盖安装在机壳两端，转轴支承在前端盖和后端盖的轴承上，离心开关安装转轴上，位于后端盖的轴承下方，机壳上安装有接线板。通过内置离心开关，不需要后罩。
上述所述的后端盖对应转换插头位置上设有一通孔，所述通孔的直径比凸块尺寸大以便凸块能伸出到后端盖外。通过后端盖的通孔，以便电压转换开关的凸块来调整高低压，而不需要拆卸电机更换高低压。
上述所述的后端盖的顶面位于通孔边缘外设有第三指示标志和第四指示标志。
上述所述的电机里安装有启动电阻，线圈绕组与启动电阻、接线盒连接。
本发明与现有技术相比，具有如下效果：
1)接线盒的一侧设有通过连接筋连接的扣夹，扣夹可以直接安装在电机的机壳上，安装方便，防止转换电压转换开关偏移。
2)扣夹包括内侧挡板、外侧挡板以及连接在内侧挡板和外侧挡板之间的塞体，连接筋与内侧挡板连接，在内侧挡板、外侧挡板之间、塞体形成卡槽，可以通过卡槽直接卡合在机壳上，防止转换开关偏移、安装方便、稳固牢靠；连接筋上设有加强筋，使整体结构更加坚固；接线盒顶面两端边缘上分别设置有 第一指示标志和第二指示标志，方便操作者进行电压转换，较为直观。
3)后端盖对应转换插头位置上设有一通孔，所述通孔的直径比凸块尺寸大以便凸块能伸出到后端盖外，通过凸块以便于拔插转换插头，通过将转换插头旋转180°，改变电机内部接线方式，从而更改高低压，便于更换高低压，操作容易；在后端盖的顶面位于通孔边缘外设有第三指示标志和第四指示标志，可以方便操作者进行电压转换，较为直观。
附图说明：
图1是实施例1的立体结构示意图；
图2是实施例1的另一角度的立体结构示意图；
图3是实施例1的立体结构示意分解图；
图4是实施例1的主视图；
图5是图4中的A-A剖视图；
图6是实施例2的立体结构示意图；
图7是实施例2的部分结构分解图；
图8是实施例2的立体结构示意分解图。
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5所示，本实施例是一种电压转换开关结构，包括转换插头1和接线盒2，接线盒2里设有若干个插孔21，在插孔21里安装有连接端子211，转换插头1底面设置若干个接插端子11，转换插头1的顶面设有一凸块12，连接端子211的两端分别用于与电机的线圈绕组和转换插头1的接插端子11连接，接线盒2的一侧设有通过连接筋22连接的扣夹3。
所述扣夹3包括内侧挡板31、外侧挡板32以及连接在内侧挡板31和外侧挡板32之间的塞体33，连接筋22与内侧挡板31连接，内侧挡板31和外侧挡板32的宽度比塞体33的宽度要宽，以在内侧挡板31、外侧挡板32之间、塞体 33形成卡槽34，外侧挡板32和塞体33的顶面均高于内侧挡板31顶面。
所述连接筋22上设有加强筋221。
所述接线盒2顶面两端边缘上分别设置有第一指示标志23和第二指示标志24，转换插头1的一端面伸出侧板13，侧板13用于遮挡第一指示标志23或第二指示标志24。
实施例二：
一种电机，包括转轴41、转子组件42、定子组件43、机壳44和端盖，所述的端盖包括前端盖45和后端盖46，转子组件42套装在转轴41上，转子组件42和定子组件43安装在机壳44里面，机壳44的端部安装有端盖，在机壳44的端部设置有安装孔441，安装孔441上安装有电压转换开关结构，所述的电压转换开关结构是实施例一所述的电压转换开关结构，扣夹3可卡扣在电机的机壳44的安装孔441上。
它还包括离心开关47和接线板48，所述的定子组件43包括定子铁芯431、端部绝缘和线圈绕组432，端部绝缘安装在定子铁芯431端部，线圈绕组432卷绕在定子铁芯431上，定子组件43与机壳44连接在一起嵌套在转子组件42外面，前端盖45和后端盖46安装在机壳44两端，转轴41支承在前端盖45和后端盖46的轴承49上，离心开关47安装转轴41上，位于后端盖46的轴承49下方，机壳44上安装有接线板48。通过内置离心开关47，不需要后罩。
所述后端盖46对应转换插头1位置上设有一通孔461，所述通孔461的直径比凸块12尺寸大以便凸块12能伸出到后端盖46外。通过后端盖46的通孔461，以便电压转换开关的凸块12来调整高低压，而不需要拆卸电机更换高低压。
所述后端盖46的顶面位于通孔461边缘外设有第三指示标志462和第四指示标志463。
所述电机里安装有启动电阻，线圈绕组与启动电阻、接线盒2连接。
发明原理：接线盒2的一侧设有通过连接筋22连接的扣夹3，可以直接安 装在电机的机壳44上，安装方便，防止转换电压转换开关偏移,安装稳固牢靠，且结构简单。扣夹3包括内侧挡板31、外侧挡板32以及连接在内侧挡板31和外侧挡板32之间的塞体33，连接筋22与内侧挡板31连接，在内侧挡板31、外侧挡板32之间、塞体33形成卡槽34，可以通过卡槽34直接卡合在机壳44上，防止转换开关偏移，安装方便；连接筋22上设有加强筋221，使整体结构更加坚固，接线盒2顶面两端边缘上分别设置有第一指示标志23和第二指示标志24，方便操作者进行电压转换，较为直观。后端盖46对应转换插头1位置上设有一通孔461，所述通孔461的直径比凸块12尺寸大以便凸块12能伸出到后端盖46外，通过凸块12以便于拔插转换插头1，通过将转换插头1旋转180°，改变电机内部接线方式，从而更改高低压，操作容易，便于更换高低压；在后端盖46的顶面位于通孔461边缘外设有第三指示标志462和第四指示标志463，可以方便操作者进行电压转换，较为直观。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (9)

  1. 一种电压转换开关结构，包括转换插头(1)和接线盒(2)，接线盒(2)里设有若干个插孔(21)，在插孔(21)里安装有连接端子(211)，转换插头(1)底面设置若干个接插端子(11)，转换插头(1)的顶面设有一凸块(12)，连接端子(211)的两端分别用于与电机的线圈绕组和转换插头(1)的接插端子(11)连接，其特征在于:接线盒(2)的一侧设有通过连接筋(22)连接的扣夹(3)。
  2. 根据权利要求1所述的一种电压转换开关结构，其特征在于：所述扣夹(3)包括内侧挡板(31)、外侧挡板(32)以及连接在内侧挡板(31)和外侧挡板(32)之间的塞体(33)，连接筋(22)与内侧挡板(31)连接，内侧挡板(31)和外侧挡板(32)的宽度比塞体(33)的宽度要宽，以在内侧挡板(31)、外侧挡板(32)之间、塞体(33)形成卡槽(34)，外侧挡板(32)和塞体(33)的顶面均高于内侧挡板(31)顶面。
  3. 根据权利要求1或2所述的一种电压转换开关结构，其特征在于：所述连接筋(22)上设有加强筋(221)。
  4. 根据权利要求3所述的一种电压转换开关结构，其特征在于：所述接线盒(2)顶面两端边缘上分别设置有第一指示标志(23)和第二指示标志(24)，转换插头(1)的一端面伸出侧板(13)，侧板(13)用于遮挡第一指示标志(23)或第二指示标志(24)。
  5. 一种电机，包括转轴(41)、转子组件(42)、定子组件(43)、机壳(44)和端盖，所述的端盖包括前端盖(45)和后端盖(46)，转子组件(42)套装在转轴(41)上，转子组件(42)和定子组件(43)安装在机壳(44)里面，机壳(44)的端部安装有端盖，其特征在于：在机壳(44)的端部设置有安装孔(441)，安装孔(441)上安装有电压转换开关结构，所述的电压转换开关结构是权利要1至权利要求4任何一项所述的电压转换开关结构，扣夹(3)可卡扣在电机的机壳(44)的安装孔(441)上。
  6. 根据权利要求5所述的一种电机，其特征在于：它还包括离心开关(47) 和接线板(48)，所述的定子组件(43)包括定子铁芯(431)、端部绝缘和线圈绕组(432)，端部绝缘安装在定子铁芯(431)端部，线圈绕组(432)卷绕在定子铁芯(431)上，定子组件(43)与机壳(44)连接在一起嵌套在转子组件(42)外面，前端盖(45)和后端盖(46)安装在机壳(44)两端，转轴(41)支承在前端盖(45)和后端盖(46)的轴承(49)上，离心开关(47)安装转轴(41)上，位于后端盖(46)的轴承(49)下方，机壳(44)上安装有接线板(48)。
  7. 根据权利要求5所述的一种电机，其特征在于：所述后端盖(46)对应转换插头(1)位置上设有一通孔(461)，所述通孔(461)的直径比凸块(12)尺寸大以便凸块(12)能伸出到后端盖(46)外。
  8. 根据权利要求8所述的一种电机，其特征在于：所述后端盖(46)的顶面位于通孔(461)边缘外设有第三指示标志(462)和第四指示标志(463)。
  9. 根据权利要求5或6或7或8所述的一种电机，其特征在于：所述电机里安装有启动电阻，线圈绕组与启动电阻、接线盒(2)连接。
PCT/CN2016/098493 2016-07-02 2016-09-08 一种电压转换开关结构及其应用电机 WO2018006491A1 (zh)

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