CN105141073B - A kind of electric machine assembly - Google Patents
A kind of electric machine assembly Download PDFInfo
- Publication number
- CN105141073B CN105141073B CN201510641397.7A CN201510641397A CN105141073B CN 105141073 B CN105141073 B CN 105141073B CN 201510641397 A CN201510641397 A CN 201510641397A CN 105141073 B CN105141073 B CN 105141073B
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- installation part
- temperature sensor
- installing pipe
- counterbore
- end cap
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Abstract
This application discloses a kind of electric machine assemblies, including motor, the motor includes stator, winding and end cap, stator includes the stator body portion for being provided with insulation material layer, electric machine assembly further includes temperature sensor assembly, temperature sensor assembly includes temperature sensor and installation part, and the input terminal of temperature sensor is installed on the first end of installation part, and the output end of temperature sensor is installed on the second end of installation part；The end cap of motor is provided with counterbore, and insulation material layer is provided with the mounting hole opposite with counterbore；The first end of installation part stretches into mounting hole through the first end of counterbore and installation part；The second end of installation part is exposed to the second end closing counterbore of the outside of end cap and installation part, and installation part is detachably connected with end cap.A kind of electric machine assembly provided by the present invention, can replace temperature sensor, reduce maintenance cost.
Description
Technical field
The present invention relates to field of automobile, more particularly to a kind of electric machine assembly.
Background technology
New-energy automobile is referred mainly to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel
But use new vehicle-mounted power plant) automobile, mainly include pure electric automobile, hybrid vehicle, fuel battery electric
Automobile etc..Its crucial power output part is motor, as shown in Figure 1, motor includes mainly stator 01, winding 02 and end cap 03
Temperature Deng, stator 01 is to weigh motor major parameter.
Sensor currently used for acquiring motor stator temperature is fixed type temperature sensor.When motor assembles, temperature
Degree sensor 04 is directly embedded in inside stator 01, is potted using resin material or other insulating materials, in stator 01
Outside forms insulation material layer, and after resin material solidification, the input terminal of temperature sensor is fixedly installed on inside stator 01, temperature
The output end of degree sensor is exposed to the outside of the end cap 03 of motor, in order to which temperature sensor 04 is connected with control system
It connects.
But since failure rate is higher in vibrations, damp and hot environment for temperature sensor 04, directly by temperature sensor 04
Be fixedly installed on the inside of stator 01, once temperature sensor 04 breaks down, have no idea directly to temperature sensor 04 into
Row is replaced, and can only replace entire motor, and the cost of motor is significantly larger than the cost of temperature sensor 04, only because
Temperature sensor 04 unilaterally damages and replaces motor, increases the cost of repair.
Invention content
In view of this, the purpose of the application is to provide a kind of electric machine assembly, temperature sensor can be replaced, be reduced
Maintenance cost.
This application provides a kind of electric machine assembly, including motor, the motor includes stator, winding and end cap, described fixed
Attached bag includes the stator body portion for being provided with insulation material layer, it is characterised in that：The electric machine assembly further includes that temperature sensor is total
Include temperature sensor and installation part at, the temperature sensor assembly, the input terminal of the temperature sensor is installed on described
The first end of installation part, the output end of the temperature sensor are installed on the second end of the installation part；The end cap of the motor
It is provided with counterbore, the insulation material layer is provided with the mounting hole opposite with the counterbore；The first end of the installation part runs through
The first end of the counterbore and the installation part stretches into the mounting hole；The second end of the installation part is exposed to the end cap
The second end of outside and the installation part closes the counterbore, and the installation part is detachably connected with the end cap.
Preferably, the second end of the installation part is provided with fastening end, and the fastening end passes through fastener and the end cap
It is connected.
Preferably, the installation part includes the first installing pipe and the second installing pipe being connected with each other, first installing pipe
It is provided with the installation cavity of the input terminal for installing the temperature sensor, first installing pipe stretches into the end of the mounting hole
Portion is the first end of the installation part, and second installing pipe is exposed to that the end on the outside of the end cap is the installation part
Two ends, first installing pipe are provided with the via being connected with second installing pipe, and the via is passed through for conducting wire.
Preferably, the second end of the installation part is provided with staircase structural model, and the staircase structural model stretches into the counterbore
Part be provided with the mounting groove for installing sealing ring, the staircase structural model is formed by the interior of step surface and the counterbore
The lateral surface of wall surface and the end cap fits.
Preferably, the output end of the temperature sensor is for the plug connector with connecting terminal, and the plug connector is bumped into
Second installing pipe.
Preferably, the end set that second installing pipe is used to be connected with first installing pipe has accommodating chamber, institute
State the insertion accommodating chamber of the first installing pipe.
Preferably, first installing pipe is silica gel material installing pipe, and second installing pipe is plastic material installing pipe.
A kind of electric machine assembly provided herein, including motor, the motor include stator, winding and end cap, stator
Stator body portion including being provided with insulation material layer, electric machine assembly further include temperature sensor assembly, temperature sensor assembly
Including temperature sensor and installation part, the input terminal of temperature sensor is installed on the first end of installation part, temperature sensor it is defeated
Outlet is installed on the second end of installation part；The end cap of motor is provided with counterbore, and insulation material layer is provided with the peace opposite with counterbore
Fill hole；The first end of installation part stretches into mounting hole through the first end of counterbore and installation part；The second end of installation part is exposed to end
The second end of the outside of lid and installation part closes counterbore, and installation part is detachably connected with end cap.So set, by using installation
Part fits the input terminal of temperature sensor and stator body portion, and the input terminal of such temperature sensor can monitor in real time to be determined
The temperature of sub- main part, and the temperature value monitored is converted into signal, control system is transferred to by the output end of temperature sensor
System, since installation part and end cap are detachably connected, when needing replacing temperature sensor, it is only necessary to tear installation part from motor open
It removes, the temperature sensor assembly then more renewed again.With in the prior art directly by temperature sensor and insulation material layer
It is mutually fixedly connected with setting to compare, carries out the installation of temperature sensor in the application using installation part so that installation part is passed with temperature
Sensor forms temperature sensor assembly, and installation part is detachably connected with end cap, when temperature sensor is damaged, due to temperature
Degree sensor is installed on installation part, directly removes installation part, i.e., removes the temperature sensor of damage, then reinstalls again new
Temperature sensor assembly, motor need not be replaced, can so reduce maintenance cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of the sectional view of the mounting structure of motor in the prior art；
Fig. 2 is the structural schematic diagram of electric machine assembly in a kind of specific implementation mode provided herein；
Fig. 3 is the sectional view of the partial structurtes of electric machine assembly shown in Fig. 1；
Fig. 4 is the sectional view of temperature sensor unit in electric machine assembly shown in Fig. 1；
Fig. 5 is the structural schematic diagram of temperature sensor unit in electric machine assembly shown in Fig. 1；
Fig. 6 is the structural schematic diagram of temperature sensor unit in electric machine assembly shown in Fig. 1；
Fig. 7 is the structural schematic diagram of the partial structurtes of temperature sensor assembly shown in Fig. 6；
Fig. 8 is the sectional view of the partial structurtes of temperature sensor assembly shown in Fig. 5；
Fig. 9 is the structural schematic diagram of the partial structurtes of temperature sensor assembly shown in Fig. 6；
Wherein, in Fig. 1：
Stator 01, winding 02, end cap 03, temperature sensor 04；
In Fig. 2 to Fig. 9：
Stator 1, winding 2, end cap 3, temperature sensor assembly 4, the input terminal 401 of temperature sensor, the first installing pipe
402, sealing ring 403, the second installing pipe 404, plug connector 405, fastening end 406, conducting wire 407, accommodating chamber 408, via 409, peace
Tankage 410, connecting terminal 411, mounting hole 5, counterbore 6.
Specific implementation mode
The invention discloses a kind of electric machine assemblies, can be replaced to temperature sensor, reduce maintenance cost.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In this embodiment, electric machine assembly includes motor and temperature sensor assembly 4, and wherein motor includes stator
1, winding 2 and end cap 3, stator 1 include the stator body portion for being provided with insulation material layer, and the end cap 3 of motor is provided with counterbore 6,
Insulation material layer is provided with mounting hole corresponding with counterbore 65.Temperature sensor assembly 4 includes temperature sensor and installation part,
The input terminal 401 of wherein temperature sensor is installed on the first end of installation part, and the output end of temperature sensor is installed on installation part
Second end, the first end of installation part is through counterbore 6 and the first end of installation part is made to stretch into mounting hole 5, such temperature sensing
The input terminal 401 of device fits with stator body portion；The second end of installation part is exposed to the second of the outside of end cap 3 and installation part
End seal closes counterbore 6, so can enter motor to avoid extraneous impurity, installation part is detachably connected with end cap 3.
So set, the input terminal 401 of temperature sensor is fitted with stator body portion by using installation part, so
The input terminal 401 of temperature sensor can monitor the temperature in stator body portion in real time, and the temperature monitored is passed by temperature
The output end of sensor is transferred to control system, since installation part and end cap 3 are detachably connected, when needing replacing temperature sensor
When, it is only necessary to installation part is removed from motor, the temperature sensor assembly 4 then more renewed again.With it is straight in the prior art
It connects by temperature sensor compared with insulation material layer is mutually fixedly connected with setting, temperature sensor is carried out using installation part in the application
Installation so that installation part and temperature sensor form temperature sensor assembly 4, and installation part is detachably connected with end cap 3, when
When temperature sensor is damaged, since temperature sensor is installed on installation part, installation part is directly removed, you can by the temperature of damage
It spends sensor to remove, then reinstalls new temperature sensor assembly 4 again, motor need not be replaced, can so drop
Low maintenance cost.
It should be noted that in this embodiment, the input terminal 401 of temperature sensor is thermistor, in order to
Avoid causing the installation position of thermistor to shift due to vibrations, in this embodiment, thermistor together with
The conducting wire 407 being connected with thermistor is installed on the first end of installation part by the way of embedding, certainly, is also not excluded for using
Other mounting means.
It should also be noted that, in this embodiment, the first end of installation part can extend into positioned at insulating materials
The mounting hole 5 of layer, when being removed installation part, under the effect of external force, the first end of installation part can be detached from mounting hole
5。
It should also be noted that, in this embodiment, being intended merely to two renaming for end of installation part
It is convenient for describing, wherein installation part is first end for the end of temperature sensor mounted input terminal 401, and installation part is used for
The end of temperature sensor mounted output end is second end, certainly, is also not excluded for using other naming methods, to installation part
Two ends rename the foundation that cannot function as limiting protection domain.
It should be further noted that in this embodiment, the second end of installation part is placed in the end in 3 outside of end cap
The cross section in face is more than the cross section of counterbore 6, after the first end of installation part stretches into mounting hole 5 and is installed in place, installation part
The end face of second end is abutted against with end cap 3, so plays the role of closing counterbore 6.
It is connect in addition, being connected to the motor for the ease of installation part, in this embodiment, the second end of installation part is arranged
There is fastening end 406, fastening end 406 is provided with fastener hole, end cap is provided with the corresponding threaded hole of fastener hole, fastener such as spiral shell
Bolt runs through fastener hole and threaded hole, under the active force that fastener applies, realizes being fastenedly connected between installation part and end cap 3.
When needing to remove installation part, directly fastener is removed, you can realize that installation part is separated with end cap 3, so as to
Temperature sensor is replaced in realization.
It should be noted that in present embodiment, detachably connecting between installation part and end cap 3 is realized by fastener
It connects, certainly, is also not excluded for using other set-up modes, as the second end of installation part is provided with screw thread, the counterbore setting of end cap
Have a corresponding screw thread, the mode that can be connected through a screw thread between such installation part and end cap realize between the two can
Dismantling connection；Or tapering type setting may be used in the second end of installation part, the part that the second end diameter of installation part is smaller is set
It is mutually clamped with counterbore in the part that in counterbore, the second end of installation part is relatively large in diameter, after the first end of installation part is installed in place,
The second end and counterbore realization that can make installation part by external force are fastenedly connected, and when needing to remove, directly apply active force,
So that the second end of installation part is detached from counterbore, you can realize that installation part is detachably connected with end cap.
In further scheme, installation part includes the first installing pipe 402 and the second installing pipe 404 being connected with each other,
Wherein, the first installing pipe 402 is provided with for temperature sensor mounted installation cavity, and the first installing pipe 402 stretches into mounting hole 5
End (installation cavity is located at the end that the first installing pipe 402 stretches into mounting hole 5) is the first end of installation part, the second installing pipe
404 are exposed to the second end that the end on the outside of end cap 3 is installation part, and the first installing pipe 402 and the second installing pipe 404 are provided with
The via 409 being connected, the via 409 are passed through for conducting wire 407, it is ensured that input terminal 401 and its of temperature sensor export
End is connected.In this way, by the way that two installing pipes being connected are arranged, it is ensured that temperature sensor is placed in the environment of opposing seal
In, avoid the hygrothermal environment in motor from impacting temperature sensor, so as to extend the service life of temperature sensor.
It should be noted that in present embodiment, the first installing pipe 402 is silica gel material installing pipe, the second installation
Pipe 404 is plastic material installing pipe, so set, since silica gel material and plastic material all have good insulation performance, because
This can impact motor to avoid temperature sensor, meanwhile, for the ease of installation, the hardness of the first installing pipe 402 and the
The hardness of two installing pipes 404 should all be set according to actual service condition.Certainly, also it is not excluded for the using other materials
One installing pipe and the second installing pipe.
It should also be noted that, in this embodiment, the second installing pipe 404 is used for and 402 phase of the first installing pipe
The end set of connection has accommodating chamber 408, and enter technique using heat is bumped into accommodating chamber 408 by 402 corresponding end of the first installing pipe
It is interior, being fastenedly connected between the first installing pipe 402 and the second installing pipe 404 so may be implemented, certainly, be also not excluded for using it
His connection type.
In further scheme, in order to ensure the sealed connection between installation part and counterbore 6, in this specific embodiment party
The second end of formula, installation part is provided with staircase structural model, and the diameter that staircase structural model stretches into the part of counterbore 6 is less than step knot
Structure is exposed to the diameter of the part in 3 outside of end cap, and the part that staircase structural model stretches into counterbore 6 is provided with for installing sealing ring
403 mounting groove 410, sealing ring 403 are placed in mounting groove 410, and staircase structural model is formed by the interior of step surface and counterbore 6
The lateral surface of wall and end cap 3 fits, and can so be realized using staircase structural model and be closed to counterbore 6, and by close
Seal 403 further seals, and the liquid that can be effectively prevent in motor is leaked via counterbore 6.
It should be noted that in this embodiment, sealing ring 403 is that O-ring seal is also not excluded for adopting certainly
With other sealing rings.
In addition, for the ease of being attached between temperature sensor and control system, in present embodiment, temperature passes
The output end of sensor is the plug connector 405 with connecting terminal 411, and plug connector 405 enters the second of technique and installation part using heat
End is connected.Connecting terminal 411 is connected by conducting wire 407 with the input terminal 401 of temperature sensor, by by plug connector 405
It is inserted into corresponding installation site, you can realize the connection between temperature sensor and control system.
It should be noted that in present embodiment, plug connector 405 enters the second end phase of technique and installation part using heat
Connection, due to the second installing pipe 404 be plastic material installing pipe, plastic material have good thermoplasticity, to plastic material into
Plug connector is directly embedded in the plastic material of molten condition by row heating when plastic material is in molten condition, to be solidified
Afterwards, you can realize being fastenedly connected between plug connector 405 and the second installing pipe 404.Certainly, it is also not excluded for using other settings
Mode installs plug connector.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (4)
1. a kind of electric machine assembly, including motor, the motor includes stator, winding and end cap, and the stator includes being provided with absolutely
The stator body portion of edge material layer, it is characterised in that：The electric machine assembly further includes temperature sensor assembly, the temperature sensing
Device assembly includes temperature sensor and installation part, and the input terminal of the temperature sensor is installed on the first end of the installation part,
The output end of the temperature sensor is installed on the second end of the installation part；
The end cap of the motor is provided with counterbore, and the insulation material layer is provided with the mounting hole opposite with the counterbore；
The first end of the installation part stretches into the mounting hole through the first end of the counterbore and the installation part；The installation
The second end of part is exposed to the outside of the end cap and the second end of the installation part closes the counterbore, the installation part and institute
It states end cap to be detachably connected, the second end of the installation part is provided with fastening end, and the fastening end passes through fastener and the end
Lid is connected；
The second end of the installation part is placed in cross section of the cross section more than the counterbore of the end face on the outside of the end cap；
The installation part includes the first installing pipe and the second installing pipe being connected with each other, and first installing pipe is provided with for pacifying
The installation cavity of the input terminal of the temperature sensor is filled, the end that first installing pipe stretches into the mounting hole is the installation
The first end of part, second installing pipe are exposed to the second end that the end on the outside of the end cap is the installation part, and described the
One installing pipe is provided with the via being connected with second installing pipe, and the via is passed through for conducting wire；
The second end of the installation part is provided with staircase structural model, and the part that the staircase structural model stretches into the counterbore is provided with
Mounting groove for installing sealing ring, the staircase structural model are formed by the internal face of step surface and the counterbore and described
The lateral surface of end cap fits.
2. electric machine assembly as described in claim 1, which is characterized in that the output end of the temperature sensor is to have wiring
The plug connector of terminal, the plug connector are bumped into second installing pipe.
3. electric machine assembly as described in claim 1, which is characterized in that second installing pipe is used for and first installing pipe
The end set being connected has accommodating chamber, the insertion accommodating chamber of first installing pipe.
4. electric machine assembly as described in claim 1, which is characterized in that first installing pipe is silica gel material installing pipe, institute
It is plastic material installing pipe to state the second installing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641397.7A CN105141073B (en) | 2015-09-30 | 2015-09-30 | A kind of electric machine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641397.7A CN105141073B (en) | 2015-09-30 | 2015-09-30 | A kind of electric machine assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105141073A CN105141073A (en) | 2015-12-09 |
| CN105141073B true CN105141073B (en) | 2018-11-02 |
Family
ID=54726327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510641397.7A Active CN105141073B (en) | 2015-09-30 | 2015-09-30 | A kind of electric machine assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105141073B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529874B (en) * | 2016-02-25 | 2019-06-18 | 珠海格力电器股份有限公司 | Temperature detection device for high-speed permanent magnet motor |
| DE102019206006A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Stator of an electrical machine with exchangeable temperature sensor |
| EP3790174A1 (en) | 2019-09-06 | 2021-03-10 | Vestas Wind Systems A/S | Stator of an electrical machine with removable temperature sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB767383A (en) * | 1954-03-17 | 1957-01-30 | Siemens Ag | Improvements in or relating to thermal supervisory apparatus |
| CN201440628U (en) * | 2009-08-18 | 2010-04-21 | 武汉钢铁(集团)公司 | Early warning motor |
| DE102014215916A1 (en) * | 2014-08-12 | 2016-02-18 | Schaeffler Technologies AG & Co. KG | Sensor device for an electric motor and electric motor with the sensor device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05227647A (en) * | 1992-02-13 | 1993-09-03 | Mitsubishi Electric Corp | Motor protection equipment |
| JP5239833B2 (en) * | 2008-12-24 | 2013-07-17 | トヨタ自動車株式会社 | Mounting structure and mounting method of temperature sensor on rotating electric machine stator |
-
2015
- 2015-09-30 CN CN201510641397.7A patent/CN105141073B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB767383A (en) * | 1954-03-17 | 1957-01-30 | Siemens Ag | Improvements in or relating to thermal supervisory apparatus |
| CN201440628U (en) * | 2009-08-18 | 2010-04-21 | 武汉钢铁(集团)公司 | Early warning motor |
| DE102014215916A1 (en) * | 2014-08-12 | 2016-02-18 | Schaeffler Technologies AG & Co. KG | Sensor device for an electric motor and electric motor with the sensor device |
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| Publication number | Publication date |
|---|---|
| CN105141073A (en) | 2015-12-09 |
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Effective date of registration: 20200107 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |
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