Temperature sensor applied to tight fitting temperature measurement of copper bar of flat wire motor

Abstract

The utility model discloses a temperature sensor applied to close fitting temperature measurement of a copper bar of a flat wire motor, and relates to the technical field of temperature sensors. A temperature sensor applied to tight fitting temperature measurement of a copper bar of a flat wire motor comprises a sleeve shell piece, and the sleeve shell piece comprises a clamping shell used for being clamped on a heating component. The first extension part and the second extension part are arranged on one sides of the two ends of the clamping shell respectively; according to the utility model, the NTC temperature sensor can be firmly wrapped by the first bending piece and the second bending piece on the sleeve shell piece, the loosening and falling phenomena of the motor under vibration can be effectively avoided, and meanwhile, the sleeve shell piece is tightly attached to the heating component on the motor, so that the NTC temperature sensor is close to the heating component on the motor, and the temperature of the NTC temperature sensor is increased. Therefore, the NTC temperature sensor can sense the heating condition of the motor more quickly, the thermal response time is effectively shortened, and the temperature monitoring performance of the motor in the operation process is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature sensors, and in particular relates to a temperature sensor used for measuring temperature of a copper bar of a flat wire motor in close contact. Background Art

[0002] With the rapid development of new energy vehicles, the drive motor is the core component of new energy vehicles, and its performance directly affects the vehicle's power, environmental protection and safety; temperature sensors, as the information source of pure electric vehicle electronic control systems, are key components of pure electric vehicle electronic control systems and one of the core contents of research in the field of electric vehicle electronic technology;

[0003] The internal vibration frequency of the drive motor is high, and the temperature of the drive motor of electric vehicles changes frequently in different environments. Therefore, the temperature sensor is required to not loosen in the high-frequency vibration environment of the motor and to fit tightly with the heating components of the motor. For this reason, we propose a temperature sensor that fits tightly with the copper busbar of the flat wire motor for temperature measurement. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a temperature sensor for measuring the temperature of a copper bar of a flat wire motor in close contact with the copper bar, which can overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is: a temperature sensor used for measuring the temperature of the copper bar of a flat wire motor in close contact, including a shell part, the shell part includes a clamping shell for clamping on the heat-generating component; the first extension part and the second extension part are respectively arranged on one side of the two ends of the clamping shell, the first bending part and the second bending part are respectively arranged on both sides of the first extension part and the second extension part, the first bending part and the second bending part are bent close to each other for wrapping and clamping the NTC temperature sensor with a wire; the buckle part is arranged on the inner wall of the open end of the clamping shell in an inward bending shape for clamping the heat-generating component.

[0006] Furthermore, a front stopper is provided at the front end of the first bending member, and the front stopper is bent; a limited position cavity is formed between the first bending member, the second bending member and the front stopper on the first extension portion; and a wrapping cavity is formed between the first bending member and the second bending member on the second extension portion.

[0007] Furthermore, an inclined portion is respectively formed at one adjacent end of the first bending member and the second bending member.

[0008] Furthermore, an expansion portion is provided at one end of the clamping shell, the buckle portion is located on the expansion portion, and an arc top portion is provided on the buckle portion.

[0009] Furthermore, a twisted wire area is provided on the conductor.

[0010] Preferably, a terminal is provided on one end of the wire.

[0011] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the utility model can firmly wrap the NTC temperature sensor through the first bending part and the second bending part on the shell part, which can effectively prevent the motor from loosening or falling off under vibration. At the same time, the shell part fits tightly with the heating components on the motor, so that the NTC temperature sensor is close to the heating components on the motor, so that the NTC temperature sensor can sense the heating of the motor more quickly, thereby effectively shortening the thermal response time and improving the temperature monitoring performance during the operation of the motor.

[0012] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In the attached picture:

[0014] Figure 1 This is a schematic diagram of the structure of a temperature sensor proposed by the utility model for measuring the temperature of a copper bar of a flat wire motor in close contact;

[0015] Figure 2 This is a schematic diagram of the structure of the twisted wire area of ​​a temperature sensor for measuring temperature of a flat wire motor copper bar in close contact with each other, which is proposed by the utility model;

[0016] Figure 3 This is a schematic structural diagram of the front stopper of a temperature sensor for measuring temperature of a flat wire motor copper bar in close contact with the utility model;

[0017] Figure 4 This is a structural schematic diagram of the arc top portion of a temperature sensor for measuring temperature of a copper bar of a flat wire motor in close contact with each other, which is proposed by the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the expansion part of a temperature sensor for measuring temperature of a copper bar of a flat wire motor in close contact with the utility model;

[0019] Figure 6 The utility model proposes a temperature sensor for measuring temperature of a flat wire motor copper bar in close contact. Figure 5 Schematic diagram of the structure at A in the middle.

[0020] In the figure: 1. shell member; 10. clamping shell; 101. expansion portion; 102. snap portion; 103. arc top portion; 11. first extension portion; 111. front stop portion; 12. second extension portion; 131. inclined portion; 132. first bending member; 133. second bending member; 14. limiting cavity; 15. wrapping cavity; 16. clamping cavity; 2. heating component; 3. NTC temperature sensor; 31. wire; 4. twisted wire area; 5. terminal. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0022] Example: Refer to Figure 1-Figure 6 A temperature sensor for measuring temperature of a copper bar of a flat wire motor in close contact, comprising a housing 1, the housing 1 comprising a clamping shell 10 for clamping on a heat generating component 2; a first extension 11 and a second extension 12 are respectively arranged on one side of both ends of the clamping shell 10, a first bending piece 132 and a second bending piece 133 are respectively arranged on both sides of the first extension 11 and the second extension 12, the first bending piece 132 and the second bending piece 133 are bent close to each other for wrapping and clamping an NTC temperature sensor 3 with a wire 31; a buckle portion 102 is arranged on the inner wall of the opening end of the clamping shell 10 in an inwardly bent shape for clamping the heat generating component 2;

[0023] When in use, the NTC temperature sensor 3 is inserted between the first bending piece 132 and the second bending piece 133 of the first extension part 11 and the second extension part 12, and then the first bending piece 132 and the second bending piece 133 are riveted by a riveting process, so that the first bending piece 132 and the second bending piece 133 tightly wrap the NTC temperature sensor 3, and then the clamping cavity 16 in the clamping shell 10 is sleeved on the heat-generating component 2, and the sleeve shell 1 is clamped on the heat-generating component 2 by the buckle part 102, so that the NTC temperature sensor 3 can be with The heat-generating component 2 on the motor fits tightly. On the one hand, the first bent piece 132 and the second bent piece 133 on the shell 1 can firmly wrap the NTC temperature sensor 3, which can effectively prevent the motor from loosening or falling off under vibration. At the same time, the shell 1 fits tightly to the heat-generating component 2 on the motor, so that the NTC temperature sensor 3 is close to the heat-generating component 2 on the motor, so that the NTC temperature sensor 3 can sense the heating condition of the motor more quickly, thereby effectively shortening the thermal response time and improving the temperature monitoring performance during the operation of the motor.

[0024] A front stopper 111 is disposed at the front end of the first bending member 132. The front stopper 111 is bent. A limited position cavity 14 is formed between the first bending member 132, the second bending member 133 and the front stopper 111 on the first extension portion 11. A wrapping cavity 15 is formed between the first bending member 132 and the second bending member 133 on the second extension portion 12.

[0025] By providing the front stopper 111, it is possible to conveniently control the position of the NTC temperature sensor 3 on the casing 1 when the NTC temperature sensor 3 is clamped on the casing 1;

[0026] At the same time, the limiting cavity 14 formed by the front stopper 111 and the first bending piece 132 and the second bending piece 133 on the first extension portion 11 can further improve the wrapping and clamping effect of the NTC temperature sensor 3 .

[0027] The first bending member 132 and the second bending member 133 are respectively provided with an inclined portion 131 at one end adjacent to each other;

[0028] By providing the inclined portion 131 on the first bending piece 132 and the second bending piece 133, it is convenient to bring the adjacent ends of the first bending piece 132 and the second bending piece 133 closer together when riveting the first bending piece 132 and the second bending piece 133, thereby further improving the wrapping and clamping effect of the NTC temperature sensor 3.

[0029] An expansion portion 101 is provided at one end of the clamping shell 10, a buckle portion 102 is located on the expansion portion 101, and an arc top portion 103 is provided on the buckle portion 102;

[0030] The buckle portion 102 is configured to be bent inwardly, so that the buckle portion 102 has an inclined and smooth transition surface, which can facilitate the clamping shell 10 to cover the housing 1 on the heat generating component 2 from top to bottom;

[0031] In addition, the arc top portion 103 can avoid damage or scratches on the surface of the heat generating component 2 .

[0032] The conductor 31 is provided with a twisted wire area 4. The conductor 31 is twisted near the middle of the entire length of the conductor 31 so that the conductor 31 forms a buffer to prevent it from being directly broken when the motor vibrates.

[0033] A terminal 5 is provided at one end of the wire 31 for electrically connecting the NTC temperature sensor 3 to an external controller.

[0034] The utility model can wrap the NTC temperature sensor 3 firmly through the first bending piece 132 and the second bending piece 133 on the shell member 1, which can effectively prevent the motor from loosening or falling off under vibration. At the same time, the shell member 1 is tightly fitted with the heating component 2 on the motor, so that the NTC temperature sensor 3 is close to the heating component 2 on the motor, so that the NTC temperature sensor 3 can sense the heating condition of the motor more quickly, thereby effectively shortening the thermal response time and improving the temperature monitoring performance during the operation of the motor.

[0035] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the present invention can make some changes or modifications to equivalent embodiments of equivalent changes using the above-mentioned technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A temperature sensor used for measuring temperature of copper bars of flat wire motors in close contact, characterized in that: It comprises a casing (1), The housing member (1) comprises a clamping shell (10) for clamping on the heat generating component (2); The first extension portion (11) and the second extension portion (12) are respectively arranged on one side of both ends of the clamping shell (10). A first bending piece (132) and a second bending piece (133) are respectively arranged on both sides of the first extension portion (11) and the second extension portion (12); the first bending piece (132) and the second bending piece (133) are bent close to each other to wrap and clamp the NTC temperature sensor (3) with the wire (31); The buckle portion (102) is arranged in an inwardly bent shape on the inner wall of the opening end of the clamping shell (10) and is used to clamp the heat-generating component (2).

2. A temperature sensor for measuring temperature of a flat wire motor copper bar in close contact with each other according to claim 1, characterized in that: A front stopper (111) is provided at the front end of the first bending piece (132), and the front stopper (111) is in a bending shape. A limited position cavity (14) is formed between the first bending piece (132), the second bending piece (133) and the front stopper (111) on the first extension portion (11), and a wrapping cavity (15) is formed between the first bending piece (132) and the second bending piece (133) on the second extension portion (12).

3. A temperature sensor for measuring temperature of a flat wire motor copper bar in close contact with each other according to claim 2, characterized in that: An inclined portion (131) is respectively formed at one adjacent end of the first bending piece (132) and the second bending piece (133).

4. The temperature sensor used for measuring temperature of the copper bar of a flat wire motor in close contact with the copper bar of the flat wire motor according to claim 1 is characterized in that: An expansion portion (101) is provided at one end of the clamping shell (10), the buckle portion (102) is located on the expansion portion (101), and an arc top portion (103) is provided on the buckle portion (102).

5. The temperature sensor used for measuring temperature of copper bars of flat wire motors in close contact with each other according to claim 1, characterized in that: The conductor (31) is provided with a twisted wire area (4).

6. A temperature sensor for measuring temperature of a copper bar of a flat wire motor in close contact with each other according to claim 5, characterized in that: A terminal (5) is provided on one end of the wire (31).

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