CN105141073A - Motor assembly - Google Patents
Motor assembly Download PDFInfo
- Publication number
- CN105141073A CN105141073A CN201510641397.7A CN201510641397A CN105141073A CN 105141073 A CN105141073 A CN 105141073A CN 201510641397 A CN201510641397 A CN 201510641397A CN 105141073 A CN105141073 A CN 105141073A
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- China
- Prior art keywords
- installed part
- temperature sensor
- mounting pipe
- counterbore
- electric machine
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- Legal status (The legal status 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 status listed.)
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Abstract
Disclosed in the application is a motor assembly comprising a motor. The motor consists of a stator, a winding, and an end cover; and the stator includes a main stator body part provided with an insulating material layer. In addition, the motor assembly also contains a temperature sensor assembly including a temperature sensor and a mounting element; and the input terminal of the temperature sensor is installed at a first end of the mounting element and the output terminal of the temperature sensor is installed at a second end of the mounting element. A countersink is formed in the end cover of the motor; and a mounting hole opposite to the countersink is formed in the insulating material layer. The first end of the mounting element penetrates the countersink and extends into the mounting hole; and the second end of the mounting element is exposed out of the outer side of the end cover and seals the countersink. The mounting element and the end cover are detachably connected. With the motor assembly, a temperature sensor can be replaced and the maintenance cost is lowered.
Description
Technical field
The present invention relates to field of automobile, particularly relate to a kind of electric machine assembly.
Background technology
New-energy automobile mainly refers to the automobile adopting unconventional vehicle fuel as power resources (or use conventional vehicle fuel but adopt novel on-vehicle power set), and it mainly comprises pure electric automobile, hybrid vehicle, fuel cell electric vehicle etc.Its crucial power output part is motor, and as shown in Figure 1, motor mainly comprises stator 01, winding 02 and end cap 03 etc., and the temperature of stator 01 weighs motor major parameter.
Fixed type temperature sensor is at present for the transducer gathering motor stator temperature.When motor assembles, it is inner that temperature sensor 04 is directly embedded in stator 01, resin material or other insulating material is adopted to carry out embedding, insulation material layer is formed in the outside of stator 01, after resin material solidifies, the input of temperature sensor is fixedly installed on stator 01 inside, and the output of temperature sensor is exposed to the outside of the end cap 03 of motor, so that be connected with control system by temperature sensor 04.
But, because temperature sensor 04 failure rate in vibrations, damp and hot environment is higher, directly temperature sensor 04 is fixedly installed on the inside of stator 01, once temperature sensor 04 breaks down, have no idea directly to change temperature sensor 04, whole motor can only be changed, and the cost of motor is far away higher than the cost of temperature sensor 04, just change motor because temperature sensor 04 unilaterally damages, add the cost of maintenance.
Summary of the invention
In view of this, the object of the application is to provide a kind of electric machine assembly, can change temperature sensor, reduces maintenance cost.
This application provides a kind of electric machine assembly, comprise motor, described motor comprises stator, winding and end cap, described stator comprises the stator body portion being provided with insulation material layer, it is characterized in that: described electric machine assembly also comprises temperature sensor assembly, described temperature sensor assembly comprises temperature sensor and installed part, and the input of described temperature sensor is installed on the first end of described installed part, and the output of described temperature sensor is installed on the second end of described installed part; The end cap of described motor is provided with counterbore, and described insulation material layer is provided with the installing hole relative with described counterbore; The first end of described installed part runs through described counterbore and the first end of described installed part stretches into described installing hole; Second end of described installed part is exposed to the outside of described end cap and the second end of described installed part closes described counterbore, and described installed part and described end cap removably connect.
Preferably, the second end of described installed part is provided with fastening end, and described fastening end is connected with described end cap by securing member.
Preferably, described installed part comprises interconnective first mounting pipe and the second mounting pipe, described first mounting pipe is provided with the installation cavity of the input for installing described temperature sensor, the end that described first mounting pipe stretches into described installing hole is the first end of described installed part, the described second mounting pipe end be exposed to outside described end cap is the second end of described installed part, described first mounting pipe is provided with described second mounting pipe the via hole be connected, and described via hole passes for wire.
Preferably, second end of described installed part is provided with staircase structural model, the part that described staircase structural model stretches into described counterbore is provided with the mounting groove for installing sealing ring, and the internal face of the step surface that described staircase structural model is formed and described counterbore and the lateral surface of described end cap fit.
Preferably, the output of described temperature sensor is the plug connector for having binding post, and described plug connector is bumped into described second mounting pipe.
Preferably, the end that described second mounting pipe is used for being connected with described first mounting pipe is provided with container cavity, the described container cavity of embedding of described first mounting pipe.
Preferably, described first mounting pipe is silica gel material mounting pipe, and described second mounting pipe is plastic material mounting pipe.
A kind of electric machine assembly that the application provides, comprise motor, described motor comprises stator, winding and end cap, stator comprises the stator body portion being provided with insulation material layer, electric machine assembly also comprises temperature sensor assembly, temperature sensor assembly comprises temperature sensor and installed part, and the input of temperature sensor is installed on the first end of installed part, and the output of temperature sensor is installed on the second end of installed part; The end cap of motor is provided with counterbore, and insulation material layer is provided with the installing hole relative with counterbore; The first end of installed part runs through counterbore and the first end of installed part stretches into installing hole; Second end of installed part is exposed to the outside of end cap and the second end of installed part closes counterbore, and installed part and end cap removably connect.Setting like this, by utilizing installed part, the input of temperature sensor and stator body portion are fitted, the input of temperature sensor like this can the temperature in Real-Time Monitoring stator body portion, and the temperature value monitored is converted to signal is passed to control system by the output of temperature sensor, because installed part and end cap removably connect, when temperature sensor changed by needs, only need installed part to remove from motor, and then the temperature sensor assembly more renewed.Compared with the setting that directly temperature sensor and insulation material layer is fixedly connected in prior art, installed part is utilized to carry out the installation of temperature sensor in the application, make installed part and temperature sensor formation temperature sensor unit, and installed part and end cap removably connect, when temperature sensor is damaged, because temperature sensor is installed on installed part, direct dismounting installed part, the temperature sensor being about to damage is removed, and then reinstall new temperature sensor assembly, do not need to change motor, so can reduce maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the cutaway view of the mounting structure of motor in prior art;
The structural representation of electric machine assembly in a kind of embodiment that Fig. 2 provides for the application;
Fig. 3 is the cutaway view of the partial structurtes of electric machine assembly shown in Fig. 1;
Fig. 4 is the cutaway view of temperature sensor assembly in electric machine assembly shown in Fig. 1;
Fig. 5 is the structural representation of temperature sensor assembly in electric machine assembly shown in Fig. 1;
Fig. 6 is the structural representation of temperature sensor assembly in electric machine assembly shown in Fig. 1;
Fig. 7 is the structural representation of the partial structurtes of the assembly of temperature sensor shown in Fig. 6;
Fig. 8 is the cutaway view of the partial structurtes of the assembly of temperature sensor shown in Fig. 5;
Fig. 9 is the structural representation of the partial structurtes of the assembly of temperature sensor shown in Fig. 6;
Wherein, in Fig. 1:
Stator 01, winding 02, end cap 03, temperature sensor 04;
In Fig. 2 to Fig. 9:
Input 401, first mounting pipe 402 of stator 1, winding 2, end cap 3, temperature sensor assembly 4, temperature sensor, sealing ring 403, second mounting pipe 404, plug connector 405, fastening end 406, wire 407, container cavity 408, via hole 409, mounting groove 410, binding post 411, installing hole 5, counterbore 6.
Embodiment
The invention discloses a kind of electric machine assembly, can change temperature sensor, reduce maintenance cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In this embodiment, electric machine assembly comprises motor and temperature sensor assembly 4, wherein motor comprises stator 1, winding 2 and end cap 3, stator 1 comprises the stator body portion being provided with insulation material layer, the end cap 3 of motor is provided with counterbore 6, and insulation material layer is provided with the installing hole 5 corresponding with counterbore 6.Temperature sensor assembly 4 comprises temperature sensor and installed part, wherein the input 401 of temperature sensor is installed on the first end of installed part, the output of temperature sensor is installed on the second end of installed part, the first end of installed part runs through counterbore 6 and makes the first end of installed part stretch into installing hole 5, and input 401 and the stator body portion of temperature sensor like this fit; Second end of installed part is exposed to the outside of end cap 3 and the second end of installed part closes counterbore 6, and extraneous impurity so can be avoided to enter motor, and installed part and end cap 3 removably connect.
Setting like this, by utilizing installed part, the input 401 of temperature sensor is fitted with stator body portion, the input 401 of temperature sensor like this can the temperature in Real-Time Monitoring stator body portion, and the temperature monitored is passed to control system by the output of temperature sensor, because installed part and end cap 3 removably connect, when temperature sensor changed by needs, only need installed part to remove from motor, and then the temperature sensor assembly 4 more renewed.Compared with the setting that directly temperature sensor and insulation material layer is fixedly connected in prior art, installed part is utilized to carry out the installation of temperature sensor in the application, make installed part and temperature sensor formation temperature sensor unit 4, and installed part and end cap 3 removably connect, when temperature sensor is damaged, because temperature sensor is installed on installed part, direct dismounting installed part, the temperature sensor damaged can be removed, and then reinstall new temperature sensor assembly 4, do not need to change motor, so can reduce maintenance cost.
It should be noted that, in this embodiment, the input 401 of temperature sensor is thermistor, offset in order to avoid causing the setting position of thermistor due to vibrations, in this embodiment, thermistor adopts the mode of embedding to be installed on the first end of installed part together with the wire 407 be connected with thermistor, certainly, does not also get rid of the mounting means adopting other.
Also it should be noted that, in this embodiment, the first end of installed part can stretch into the installing hole 5 being positioned at insulation material layer, and when being removed by installed part, under the effect of external force, the first end of installed part can depart from installing hole 5.
Also it should be noted that; in this embodiment; rename just for the ease of being described to two ends of installed part; wherein installed part is used for the end of temperature sensor mounted input 401 is first end; the end that installed part is used for temperature sensor mounted output is the second end; certainly, do not get rid of the naming method adopting other yet, can not as the foundation limiting protection range to renaming of installed part two ends.
What needs further illustrated is, in this embodiment, the cross section that second end of installed part is placed in the end face outside end cap 3 is greater than the cross section of counterbore 6, when the first end of installed part stretches into installing hole 5 and after being in place, end face and the end cap 3 of the second end of installed part abut against, and so play the effect of closed counterbore 6.
In addition, be connected with motor for the ease of installed part, in this embodiment, second end of installed part is provided with fastening end 406, fastening end 406 is provided with fastener hole, and end cap is provided with the corresponding screwed hole of fastener hole, and securing member is as bolt-through fastener hole and screwed hole, under the active force that securing member applies, realize being fastenedly connected between installed part and end cap 3.When installed part removed by needs, directly securing member is removed, installed part can be realized and end cap 3 is separated, thus can realize changing temperature sensor.
Needs illustrate, in this embodiment, removably connecting between installed part and end cap 3 is realized by securing member, certainly, the set-up mode adopting other is not got rid of yet, the second end as installed part is provided with screw thread, and the counterbore of end cap is provided with the screw thread corresponded, and the mode that can be threaded connection between installed part like this and end cap realizes removably connecting between the two; Or the second end of installed part can adopt tapering type setting, the part that second end diameter of installed part is less is placed in counterbore, the part that second end diameter of installed part is larger and the clamping of counterbore phase, after the first end of installed part is in place, the second end of installed part and counterbore can be made to realize being fastenedly connected by external force, when needs are removed, directly apply active force, make the second end of installed part depart from counterbore, can installed part be realized and end cap removably connects.
In further scheme, installed part comprises interconnective first mounting pipe 402 and the second mounting pipe 404, wherein, first mounting pipe 402 is provided with for temperature sensor mounted installation cavity, the end (installation cavity is positioned at the end that the first mounting pipe 402 stretches into installing hole 5) that first mounting pipe 402 stretches into installing hole 5 is the first end of installed part, second mounting pipe 404 end be exposed to outside end cap 3 is the second end of installed part, first mounting pipe 402 is provided with the second mounting pipe 404 via hole 409 be connected, this via hole 409 passes for wire 407, can ensure that the input 401 of temperature sensor is connected with its output.So, by arranging two mounting pipe be connected, can ensure that temperature sensor is placed in the environment of opposing seal, avoiding the hygrothermal environment in motor to impact temperature sensor, thus the useful life of temperature sensor can be extended.
It should be noted that, in this embodiment, first mounting pipe 402 is silica gel material mounting pipe, second mounting pipe 404 is plastic material mounting pipe, so arranges, because silica gel material and plastic material all have good insulation property, therefore temperature sensor can be avoided to impact motor, meanwhile, for the ease of installing, the hardness of the first mounting pipe 402 and the hardness of the second mounting pipe 404 all should set according to the service condition of reality.Certainly, the first mounting pipe adopting other materials and the second mounting pipe is not got rid of yet.
Also it should be noted that, in this embodiment, second mounting pipe 404 is provided with container cavity 408 for the end be connected with the first mounting pipe 402, adopting heat to enter technique is bumped in container cavity 408 by corresponding for the first mounting pipe 402 end, so can realize being fastenedly connected between the first mounting pipe 402 and the second mounting pipe 404, certainly, the connected mode adopting other is not got rid of yet.
In further scheme, in order to ensure being tightly connected between installed part and counterbore 6, in this embodiment, second end of installed part is provided with staircase structural model, the diameter that staircase structural model stretches into the part of counterbore 6 is less than the diameter that staircase structural model is exposed to the part outside end cap 3, the part that staircase structural model stretches into counterbore 6 is provided with the mounting groove 410 for installing sealing ring 403, sealing ring 403 is placed in mounting groove 410, the inwall of the step surface that staircase structural model is formed and counterbore 6 and the lateral surface of end cap 3 fit, staircase structural model so can be utilized to realize closing counterbore 6, and sealed further by sealing ring 403, can effectively prevent the liquid in motor from leaking via counterbore 6.
It should be noted that, in this embodiment, sealing ring 403 is O RunddichtringO, certainly, does not also get rid of the sealing ring adopting other.
In addition, for the ease of being connected between temperature sensor with control system, in this embodiment, the output of temperature sensor is the plug connector 405 with binding post 411, and plug connector 405 adopts heat to enter technique to be connected with the second end of installed part.Binding post 411 is connected with the input 401 of temperature sensor by wire 407, by plug connector 405 is inserted corresponding installation site, can realize the connection between temperature sensor and control system.
It should be noted that, in this embodiment, plug connector 405 adopts heat to enter technique to be connected with the second end of installed part, because the second mounting pipe 404 is plastic material mounting pipe, plastic material has good thermoplasticity, heats plastic material, when plastic material is in molten condition, directly plug connector is embedded in the plastic material of molten condition, after to be solidified, being fastenedly connected between plug connector 405 and the second mounting pipe 404 can be realized.Certainly, do not get rid of yet and adopt other set-up mode to install plug connector.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an electric machine assembly, comprise motor, described motor comprises stator, winding and end cap, described stator comprises the stator body portion being provided with insulation material layer, it is characterized in that: described electric machine assembly also comprises temperature sensor assembly, described temperature sensor assembly comprises temperature sensor and installed part, and the input of described temperature sensor is installed on the first end of described installed part, and the output of described temperature sensor is installed on the second end of described installed part;
The end cap of described motor is provided with counterbore, and described insulation material layer is provided with the installing hole relative with described counterbore;
The first end of described installed part runs through described counterbore and the first end of described installed part stretches into described installing hole; Second end of described installed part is exposed to the outside of described end cap and the second end of described installed part closes described counterbore, and described installed part and described end cap removably connect.
2. electric machine assembly as claimed in claim 1, it is characterized in that, the second end of described installed part is provided with fastening end, and described fastening end is connected with described end cap by securing member.
3. electric machine assembly as claimed in claim 1 or 2, it is characterized in that, described installed part comprises interconnective first mounting pipe and the second mounting pipe, described first mounting pipe is provided with the installation cavity of the input for installing described temperature sensor, the end that described first mounting pipe stretches into described installing hole is the first end of described installed part, the described second mounting pipe end be exposed to outside described end cap is the second end of described installed part, described first mounting pipe is provided with described second mounting pipe the via hole be connected, and described via hole passes for wire.
4. electric machine assembly as claimed in claim 3, it is characterized in that, second end of described installed part is provided with staircase structural model, the part that described staircase structural model stretches into described counterbore is provided with the mounting groove for installing sealing ring, and the internal face of the step surface that described staircase structural model is formed and described counterbore and the lateral surface of described end cap fit.
5. electric machine assembly as claimed in claim 4, it is characterized in that, the output of described temperature sensor is the plug connector for having binding post, and described plug connector is bumped into described second mounting pipe.
6. electric machine assembly as claimed in claim 3, is characterized in that, the end that described second mounting pipe is used for being connected with described first mounting pipe is provided with container cavity, the described container cavity of embedding of described first mounting pipe.
7. electric machine assembly as claimed in claim 3, it is characterized in that, described first mounting pipe is silica gel material mounting pipe, and described second mounting pipe is plastic material mounting 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 true CN105141073A (en) | 2015-12-09 |
| CN105141073B CN105141073B (en) | 2018-11-02 |
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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 |
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| Country | Link |
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| CN (1) | CN105141073B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529874A (en) * | 2016-02-25 | 2016-04-27 | 珠海格力节能环保制冷技术研究中心有限公司 | High-speed permanent magnet motor temperature detection device |
| WO2020216594A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Stator of an electrical machine having a replaceable temperature sensor |
| US11677299B2 (en) | 2019-09-06 | 2023-06-13 | Vestas Wind Systems A/S | External temperature sensor assembly |
Citations (5)
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| GB767383A (en) * | 1954-03-17 | 1957-01-30 | Siemens Ag | Improvements in or relating to thermal supervisory apparatus |
| JPH05227647A (en) * | 1992-02-13 | 1993-09-03 | Mitsubishi Electric Corp | Motor protection equipment |
| CN201440628U (en) * | 2009-08-18 | 2010-04-21 | 武汉钢铁(集团)公司 | Early warning motor |
| JP2010154600A (en) * | 2008-12-24 | 2010-07-08 | Toyota Motor Corp | Structure and method for mounting temperature sensor on rotary electric machine stator |
| 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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2015
- 2015-09-30 CN CN201510641397.7A patent/CN105141073B/en active Active
Patent Citations (5)
| 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 |
| JPH05227647A (en) * | 1992-02-13 | 1993-09-03 | Mitsubishi Electric Corp | Motor protection equipment |
| JP2010154600A (en) * | 2008-12-24 | 2010-07-08 | Toyota Motor Corp | Structure and method for mounting temperature sensor on rotary electric machine stator |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529874A (en) * | 2016-02-25 | 2016-04-27 | 珠海格力节能环保制冷技术研究中心有限公司 | High-speed permanent magnet motor temperature detection device |
| CN105529874B (en) * | 2016-02-25 | 2019-06-18 | 珠海格力电器股份有限公司 | A kind of high-speed permanent magnet motor temperature-detecting device |
| WO2020216594A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Stator of an electrical machine having a replaceable temperature sensor |
| US11677299B2 (en) | 2019-09-06 | 2023-06-13 | Vestas Wind Systems A/S | External temperature sensor assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105141073B (en) | 2018-11-02 |
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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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