CN104977091A - Temperature sensor assembly for motor, electric automobile and mounting method - Google Patents
Temperature sensor assembly for motor, electric automobile and mounting method Download PDFInfo
- Publication number
- CN104977091A CN104977091A CN201410138408.5A CN201410138408A CN104977091A CN 104977091 A CN104977091 A CN 104977091A CN 201410138408 A CN201410138408 A CN 201410138408A CN 104977091 A CN104977091 A CN 104977091A
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- China
- Prior art keywords
- temperature sensor
- motor
- holder
- hole
- sensor assembly
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention provides a temperature sensor assembly for a motor, the motor, an electric vehicle and an installation method. The temperature sensor assembly comprises a tapered threaded pin, a clamping piece and a temperature sensor, wherein an external thread is arranged on the tapered threaded pin, the clamping piece is arranged in a hole formed in the motor and is provided with a tapered inner surface, an internal thread capable of being in matched joint with the external thread on the tapered threaded pin is arranged on the tapered inner surface of the clamping piece, the clamping piece is tightly matched with the hole in the motor along with the screwing-in of the tapered threaded pin, a groove is formed in the outer surface of the clamping piece, and the temperature sensor is arranged in the groove. The temperature sensor assembly has the advantages of simple structure, low manufacturing cost, convenient installation, easy maintenance and repair and no damage to the sensor caused by the traditional molding mode.
Description
Technical field
The present invention relates to automotive field, relate more specifically to electric automobile, especially various electric automobile, such as hybrid vehicle (HEV), pure electric automobile (BEV) etc.In first aspect, the invention provides a kind of temperature sensor assembly for motor.In second aspect, the invention provides a kind of motor for electric automobile.On the 3rd surface, the invention provides a kind of electric automobile.In fourth aspect, the present invention also provides a kind of method be installed to by temperature sensor assembly in motor.
Background technology
In the motor-driven electric automobile field of use, temperature sensor (as NTC sensor) is the necessary parts of the temperature of the coil measured in motor.Do not have temperature sensor, the temperature of coil will exceed particular range, and this can make motor cisco unity malfunction, even can damage motor.
Temperature sensor is fragile and the parts of sensitivity, it is very risky that it damages during the working cycle of motor, particularly for the motor of electric automobile, this is because in electric automobile field, temperature sensor by the face of very harsh working environment, such as, vibrates.Therefore, desirably removable and removable temperature sensor.
But the hot spot of the coil in motor is usually located at the middle part of coil, when higher copper factor (slots fill factor), after coil winding, again temperature sensor cannot be put into coil to measure its temperature.Therefore, current temperature sensor is all be molded in the coil of motor usually, cannot remove.So damage iff temperature sensor, also need to remove whole motor to keep in repair, this causes very high maintenance cost.And in molding process, temperature sensor may sustain damage.
Summary of the invention
The object of this invention is to provide removable and removable temperature sensor, and without the need to removing whole motor.For this reason, provide a kind of temperature sensor assembly for motor, it comprises temperature sensor.Described temperature sensor assembly also comprises tapered thread pin and holder, described tapered thread pin is provided with external thread, described holder to be disposed in the hole be arranged in motor and to have cone-shaped inner surface, the cone-shaped inner surface of described holder is provided with and can matches the internal thread engaged with the external thread on described tapered thread pin, described holder closely cooperates along with the hole in the screw-in of described tapered thread pin and described motor, and the outside surface of described holder is provided with groove, described temperature sensor is disposed in described groove.
According to embodiments of the invention, the sidewall of holder is also provided with axially open, for the screw-in along with described tapered pin, makes described holder produce radial deformation, to make it to closely cooperate with the hole in described motor.
According to embodiments of the invention, it is cup-shaped that holder has cylinder.
According to embodiments of the invention, groove has blind end and open end, described blind end is larger than the remainder of described groove and/or dark, described temperature sensor is disposed in described blind end, and the output signal of described temperature sensor is transferred to outside along described groove via open end by output line.
Preferably, the size of described temperature sensor is less than the blind end of described groove and is greater than remainder.Certainly, temperature sensor also can equal or slightly larger than the blind end of groove.
Preferably, the material of described holder has flexibility.
According to a second aspect of the present invention, motor comprises above-mentioned temperature sensor assembly.
According to embodiments of the invention, hole is positioned at the insulated part of the stator of described motor.Preferably, holder is pressed into described hole.
According to embodiments of the invention, described hole is cylindrical.
According to a third aspect of the present invention, electric automobile comprises above-mentioned motor.
According to a forth aspect of the invention, installation method comprises the following steps: in described motor, make a hole; When described temperature sensor is arranged in the groove of holder, described holder is pressed in described hole, tapered thread pin is screwed in described holder.
The present invention has the following advantages: temperature sensor assembly only comprises three parts, and structure is simple, low cost of manufacture; Only need just can install in the hole in the holder of temperature sensor assembly press-in motor, install simple and convenient; Only need tapered thread pin to be screwed out holder just energy decomposition temperature sensor, allow remove fast and change temperature sensor, maintenance and repair is easy; Avoid the damage that traditional molded mode causes temperature sensor.
Accompanying drawing explanation
Fig. 1 is the schematic sectional view of temperature sensor assembly according to an embodiment of the invention, and wherein holder is installed in the hole of motor stator;
Fig. 2 is the perspective schematic view of holder according to an embodiment of the invention.
Reference numerals list
1 tapered thread pin
2 holders
3 temperature sensors
4 grooves
5 axially opens
6 output lines
M motor stator
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the present invention is described in detail.
Fig. 1 shows the schematic sectional view of temperature sensor assembly according to an embodiment of the invention, and wherein holder 2 is installed in the hole of motor stator M.As shown in Figure 1, temperature sensor assembly comprises tapered thread pin 1, holder 2 and temperature sensor 3 three parts.Tapered thread pin 1 is provided with external thread, holder 2 to be disposed in the hole be arranged on motor stator M and to have cone-shaped inner surface, cone-shaped inner surface is provided with and can matches with the external thread on tapered thread pin the internal thread engaged, holder 2 can closely cooperate along with the hole in the screw-in of tapered thread pin 1 and motor stator M, and the outside surface of holder 2 is provided with groove 4(see Fig. 2), temperature sensor 3 is disposed in groove 4.In this example, hole is formed in the insulated part (as epoxy resin) of motor stator M.
Fig. 2 shows the perspective schematic view of holder 2 according to an embodiment of the invention.As shown in Figure 2, holder 2 has the shape of cylindrical cup, its sidewall has two axially opens 5, thus along with the screw-in of tapered thread pin 1, makes holder 2 produce radial deformation, to make it to closely cooperate with the hole in motor stator M.
In this example, the sidewall of holder 2 is divided into two parts by axially open 5, arranges groove 4 wherein in a part.Owing to there is axially open 5, so along with the screw-in of tapered thread pin 1, holder 2 can bend, and produces radial deformation, holder 2 is closely cooperated with the hole in motor stator M.In addition, in this example, groove 4 has blind end and open end, and blind end is used for temperature sensor 3, and blind end is darker than the remainder of groove 4 and large, and more shallow and less remainder is used for the output line 6 of temperature sensor 3.
During installation, in the epoxy resin of motor stator M, first make a hole, in this example, hole is cylindrical.Then, temperature sensor 3 is put into the blind end of groove 4, when temperature sensor 3 is arranged in groove 4, by holder 2 press-in hole.Finally, tapered thread pin 1 is screwed in holder 2, to make holder 2 bend, produces radial deformation, make the side wall and pressure of holder 2 be against the inwall in hole, make holder 2 closely cooperate with the hole in motor stator M thus.
In an embodiment of the present invention, the material of holder 2 has flexibility, to promote the bending of when tapered thread pin 1 is screwed in holder 2 holder 2.
When temperature sensor 3 damages, tapered thread pin 1 is screwed out holder 2, the temperature sensor 3 of i.e. removable damage thus.Then, repeat above-mentioned installation steps, new temperature sensor is in place.
Temperature sensor assembly structure of the present invention is simple, and low cost of manufacture is easy for installation, allows removable and removable temperature sensor, and maintenance and repair is easy, and the damage not having traditional molded mode to cause sensor.
The present invention is not limited to the particular content described in above-mentioned embodiment.Such as, it is cup-shaped that holder needs not to be cylinder, and hole also needs not to be columniform, but can have other shape.In addition, holder need not have flexibility, but as long as the sidewall of holder 2 has axially open 5, it can be bent and produce radial deformation, be against the inwall in hole to make the side wall and pressure of holder 2 when tapered thread pin 1 is screwed in holder 2 thus holder 2 is closely cooperated with the hole in motor stator M.
Claims (9)
1. the temperature sensor assembly for motor, comprise temperature sensor, it is characterized in that, described temperature sensor assembly also comprises tapered thread pin and holder, described tapered thread pin is provided with external thread, described holder to be disposed in the hole be arranged in motor and to have cone-shaped inner surface, the cone-shaped inner surface of described holder is provided with and can matches the internal thread engaged with the external thread on described tapered thread pin, described holder closely cooperates along with the hole in the screw-in of described tapered thread pin and described motor, and the outside surface of described holder is provided with groove, described temperature sensor is disposed in described groove.
2. temperature sensor assembly according to claim 1, it is characterized in that, the sidewall of described holder is also provided with axially open, for the screw-in along with described tapered thread pin, described holder is made to produce radial deformation, to make it to closely cooperate with the hole in described motor.
3. temperature sensor assembly according to claim 1 and 2, it is characterized in that, described groove has blind end and open end, described blind end is larger than the remainder of described groove and/or dark, described temperature sensor is disposed in described blind end, and the output signal of described temperature sensor is transferred to outside along described groove via open end by output line.
4. temperature sensor assembly according to claim 3, is characterized in that, the size of described temperature sensor is less than the blind end of described groove and is greater than remainder.
5. a motor, is characterized in that, described motor comprises the temperature sensor assembly according to any one of claim 1-4.
6. motor according to claim 5, is characterized in that, described hole is positioned at the insulated part of the stator of described motor.
7. motor according to claim 8, is characterized in that, described holder is pressed into described hole.
8. an electric automobile, is characterized in that, described electric automobile comprises the motor according to any one of claim 5-7.
9. the temperature sensor assembly according to any one of claim 1-4 is installed to the method in motor, it is characterized in that, said method comprising the steps of:
A hole is made in described motor;
When described temperature sensor is arranged in described groove, described holder is pressed in described hole,
Tapered thread pin is screwed in described holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138408.5A CN104977091A (en) | 2014-04-08 | 2014-04-08 | Temperature sensor assembly for motor, electric automobile and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138408.5A CN104977091A (en) | 2014-04-08 | 2014-04-08 | Temperature sensor assembly for motor, electric automobile and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104977091A true CN104977091A (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138408.5A Pending CN104977091A (en) | 2014-04-08 | 2014-04-08 | Temperature sensor assembly for motor, electric automobile and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104977091A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374431A (en) * | 2016-08-29 | 2017-02-01 | 沈前保 | Overtemperature electronic protector for electric motor winding |
| DE102016200454A1 (en) * | 2016-01-15 | 2017-07-20 | Siemens Aktiengesellschaft | Sensor module, electrical machine, power electronic device and vehicle |
| CN108627264A (en) * | 2018-07-06 | 2018-10-09 | 中国核动力研究设计院 | A kind of inside pipe wall temperature Multi point measuring apparatus and its measurement method |
| CN109163821A (en) * | 2018-08-13 | 2019-01-08 | 郑州泰恩科技有限公司 | A kind of high-low pressure electric motor temp device |
| CN116551351A (en) * | 2023-03-28 | 2023-08-08 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2074909U (en) * | 1990-09-12 | 1991-04-10 | 韩林生 | Built in resistance testing device for electric motor temp. testing |
| CN2155012Y (en) * | 1993-06-19 | 1994-02-02 | 栾文成 | Generator stator temp. assaying platinum resistance thermometer |
| CN1480717A (en) * | 2003-07-31 | 2004-03-10 | 大连理工大学 | Multipoint thermocouple transducer |
| CN2781631Y (en) * | 2004-12-07 | 2006-05-17 | 徐浩 | Special temp sensor for stator winding of generator |
| DE202008013626U1 (en) * | 2008-10-15 | 2009-02-19 | Türk & Hillinger GmbH | Tubular heating element with temperature sensor |
| KR20120019584A (en) * | 2010-08-26 | 2012-03-07 | 한전케이피에스 주식회사 | A bolt structure for temperature sensor fixing |
| CN202395608U (en) * | 2011-12-13 | 2012-08-22 | 江苏常牵庞巴迪牵引系统有限公司 | Installation structure of motor temperature sensor |
-
2014
- 2014-04-08 CN CN201410138408.5A patent/CN104977091A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2074909U (en) * | 1990-09-12 | 1991-04-10 | 韩林生 | Built in resistance testing device for electric motor temp. testing |
| CN2155012Y (en) * | 1993-06-19 | 1994-02-02 | 栾文成 | Generator stator temp. assaying platinum resistance thermometer |
| CN1480717A (en) * | 2003-07-31 | 2004-03-10 | 大连理工大学 | Multipoint thermocouple transducer |
| CN2781631Y (en) * | 2004-12-07 | 2006-05-17 | 徐浩 | Special temp sensor for stator winding of generator |
| DE202008013626U1 (en) * | 2008-10-15 | 2009-02-19 | Türk & Hillinger GmbH | Tubular heating element with temperature sensor |
| KR20120019584A (en) * | 2010-08-26 | 2012-03-07 | 한전케이피에스 주식회사 | A bolt structure for temperature sensor fixing |
| CN202395608U (en) * | 2011-12-13 | 2012-08-22 | 江苏常牵庞巴迪牵引系统有限公司 | Installation structure of motor temperature sensor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016200454A1 (en) * | 2016-01-15 | 2017-07-20 | Siemens Aktiengesellschaft | Sensor module, electrical machine, power electronic device and vehicle |
| CN106374431A (en) * | 2016-08-29 | 2017-02-01 | 沈前保 | Overtemperature electronic protector for electric motor winding |
| CN108627264A (en) * | 2018-07-06 | 2018-10-09 | 中国核动力研究设计院 | A kind of inside pipe wall temperature Multi point measuring apparatus and its measurement method |
| CN108627264B (en) * | 2018-07-06 | 2020-04-07 | 中国核动力研究设计院 | Pipe inner wall temperature multi-point measuring device and measuring method thereof |
| CN109163821A (en) * | 2018-08-13 | 2019-01-08 | 郑州泰恩科技有限公司 | A kind of high-low pressure electric motor temp device |
| CN116551351A (en) * | 2023-03-28 | 2023-08-08 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
| CN116551351B (en) * | 2023-03-28 | 2023-10-20 | 瑞安市裕玺转向系统有限公司 | Axial expansion pin fastening structure for automobile power-assisted steering system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
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| RJ01 | Rejection of invention patent application after publication |