Temperature measuring assembly applied to motor

Abstract

A temperature measuring assembly applied to a motor comprises an installation support, a temperature sensing probe, a clamping piece and a sealing piece, the temperature sensing probe, the clamping piece and the sealing piece are installed on the installation support, and the installation support is arranged to be a shell and used for supporting and installing other structures; the temperature sensing probe is arranged in the shell of the mounting bracket and is used for measuring the temperature of the lead-out copper bar; the clamping piece comprises a metal contact part and a clamping part, the clamping part presses the leading-out copper bar on the metal contact part, so that the temperature sensing probe and the leading-out copper bar are tightly attached to the two sides of the metal contact part respectively for temperature measurement, the conduction path is reduced, and the heat conduction speed is high through a metal material, so that the sampling rate is improved; the leading-out copper bar is clamped and fixed through the clamping structure, so that the disassembly, assembly and maintenance are convenient; the temperature sensing probe is positioned and sealed through the sealing element, so that the temperature sensing probe is tightly attached to the large metal surface, and the sealing waterproof performance is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electronic components, and in particular to a temperature measurement component applied to a motor. Background Art

[0002] As one of the three key components of electric vehicles, the motor's main function is to achieve the mechanical power required for driving through the mutual conversion of electrical energy and mechanical energy. Any energy conversion device will generate heat when working, and the power of electric vehicles ranges from 30KW to 400KW, and a lot of heat will be generated during the conversion process.

[0003] At present, excessive power inside the motor caused by heat will affect the calendar life of the motor and even endanger the safety of the motor. Therefore, in order to use the motor effectively, reliably and safely, and to meet the thermal management needs of harsh environments, the temperature measurement component used in the motor serves as a sensing organ for the motor's temperature monitoring and data collection. It is an important key component to ensure the safety and reliability of the motor.

[0004] In the prior art, the temperature measurement components used in motors are generally fixed on the copper wire of the motor nails by surface stickers or clips. However, the disassembly and assembly of the stickers and clips is difficult, inconvenient for maintenance, and has high after-sales costs; the surface stickers on the copper wire are not firmly fixed, and cannot ensure that they are completely close to the object to be measured, which affects the collection precision and accuracy; the tolerance to high-frequency vibration and high-intensity external impact is poor, and it is easy to fail during use; and the sealing and waterproof performance is poor, which easily affects the life and detection accuracy of the temperature measurement component. Utility Model Content

[0005] The present application provides a temperature measuring component for a motor that is easy to disassemble and assemble and has high data collection accuracy, and monitors the temperature of the motor in real time.

[0006] According to the present application, an embodiment provides a temperature measurement component applied to a motor, which is installed on a lead-out copper bar of a motor stator for real-time temperature measurement, and includes:

[0007] A mounting bracket, wherein the mounting bracket is configured as a housing for supporting and mounting other structures;

[0008] A temperature sensing probe is installed in the housing of the mounting bracket and is used to measure the temperature of the lead-out copper busbar;

[0009] A clamping member is installed on the side of the mounting bracket away from the temperature sensing probe, comprising a metal contact portion and a clamping portion which are integrally arranged, wherein the metal contact portion is used to contact the temperature sensing probe, and the clamping portion is used to press the lead-out copper bar onto the metal contact portion, and the temperature sensing probe and the lead-out copper bar are respectively closely attached to both sides of the metal contact portion; and

[0010] The sealing member is used to seal and hold the temperature sensing probe in the housing of the mounting bracket.

[0011] In another embodiment, one end of the clamping portion is connected to the metal contact portion through the connecting portion, and the other end gradually approaches the metal contact portion. The end of the clamping portion away from the connecting portion forms a clamping position with the metal contact portion for clamping the lead-out copper busbar.

[0012] In another embodiment, a force-applying portion is provided at one end of the clamping portion away from the connecting portion, the force-applying portion and the clamping portion are arranged at a non-zero angle, and the force-applying portion is offset toward a side away from the metal contact portion for applying force to adjust the distance between the clamping portion and the metal contact portion.

[0013] In another embodiment, the clamping portion is provided with a pressing portion close to the metal contact portion, the pressing portion is correspondingly arranged on the side of the metal contact portion away from the temperature sensing probe, and the pressing portion is used to push the lead-out copper busbar to be close to the metal contact portion.

[0014] In another embodiment, the mounting bracket includes an integrally arranged probe mounting shell and a copper busbar mounting shell, the probe mounting shell is used to mount the temperature sensing probe, the copper busbar mounting shell is used to mount the metal contact portion and the lead-out copper busbar, and a groove interconnected with each other is arranged between the probe mounting shell and the copper busbar mounting shell, and the metal contact portion is arranged in the groove.

[0015] In another embodiment, a plurality of protruding positioning ears are provided on both sides of the metal contact portion, and corresponding positioning grooves for the positioning ears to be clamped are provided on the copper busbar mounting shell, so that the metal contact portion and the copper busbar mounting shell remain relatively still.

[0016] In another embodiment, the copper busbar mounting shell is configured as a guide groove for plugging and unplugging the lead-out copper busbar, and the circumferential inner wall of the guide groove includes a front stop surface and a side guide surface, the front stop surface is used to limit the plugging and unplugging length of the lead-out copper busbar, and the side guide surface is used to limit the plugging and unplugging direction of the lead-out copper busbar, and the side opposite to the front stop surface is configured as an opening for plugging and unplugging the lead-out copper busbar.

[0017] In another embodiment, a fool-proof portion is provided in the guide groove and is arranged corresponding to the lead-out copper busbar. The fool-proof portion is used to limit the positive and negative directions of the installation of the lead-out copper busbar.

[0018] In another embodiment, the temperature sensing probe includes a thermistor chip, a lead, a first wrapping layer, a second wrapping layer and a shrinking layer, and terminal electrodes are arranged at both ends of the thermistor chip. The first wrapping layer, the second wrapping layer and the shrinking layer are wrapped around the thermistor chip and the terminal electrode at one time. One end of the lead is electrically connected to the terminal electrode, and the other end extends out of the shrinking layer and is electrically set.

[0019] In another embodiment, the first wrapping layer is configured as a glass wrapping layer, the second wrapping layer is made of a thermally conductive epoxy resin, and the shrinking layer is configured as a double-layer shrinking tube.

[0020] The temperature measuring assembly applied to the motor according to the above embodiment includes a mounting bracket and a temperature sensing probe installed on the mounting bracket, a clamping member and a sealing member, the clamping member includes a metal contact portion and a clamping member, the clamping member presses the lead-out copper busbar on the metal contact portion, so that the temperature sensing probe and the lead-out copper busbar are respectively closely attached to both sides of the metal contact portion for temperature measurement, thereby reducing the conduction path, and the heat conduction speed through the metal material is fast, thereby improving the sampling rate; the lead-out copper busbar is clamped and fixed by a clamping structure, which is convenient for disassembly and maintenance; the temperature sensing probe is positioned and sealed by a sealing member, ensuring that the temperature sensing probe is closely attached to the large metal surface and improving the sealing and waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall assembly structure of the temperature measuring component and the motor lead-out copper busbar in one embodiment;

[0022] Figure 2 This is a schematic diagram of the structure of a temperature measurement component in an embodiment;

[0023] Figure 3 It is a schematic diagram of installing a probe mounting shell in one embodiment;

[0024] Figure 4 It is a structural schematic diagram of a probe mounting shell in an embodiment;

[0025] Figure 5 This is a schematic diagram of the structure of a copper busbar mounting shell and a clamping member in an embodiment;

[0026] Figure 6 This is a schematic diagram of the structure of a copper busbar installation shell in an embodiment;

[0027] Figure 7 A schematic diagram of the structure of a clamping member in an embodiment;

[0028] Figure 8 A schematic diagram of the internal structure of a temperature sensing probe in an embodiment;

[0029] Reference numerals:

[0030] 1. Lead-out copper busbar; 2. Mounting bracket; 21. Probe mounting shell; 211. Avoidance groove; 212. Limiting block; 22. Copper busbar mounting shell; 221. Guide groove; 222. Front stop surface; 223. Side guide surface; 224. Anti-mistake part; 225. Positioning groove; 23. Slotting; 3. Temperature sensing probe; 31. Thermistor chip; 32. Lead wire; 33. First wrapping layer; 34. Second wrapping layer; 35. Shrinking layer; 36. Terminal electrode; 4. Clamping piece; 41. Metal contact part; 411. Positioning ear; 42. Clamping part; 43. Connecting part; 44. Force-applying part; 45. Pressing part; 5. Sealing piece. DETAILED DESCRIPTION

[0031] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0032] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0033] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0034] The motor of an electric vehicle generates a lot of heat during the conversion of electrical energy and mechanical energy, but the heat can easily lead to excessive power inside the motor, which will affect the calendar life of the motor and even endanger the safety of the motor. Therefore, a temperature measuring component is generally set up to monitor the temperature of the motor and collect data. The current temperature measuring components are generally fixed to the copper wire of the motor nails by surface mounting or clips, but the disassembly and assembly of the labels and clips is difficult, inconvenient for maintenance, and has high after-sales costs; the surface mounting on the copper wire is not firmly fixed, and it cannot ensure that it is completely close to the object to be measured, which affects the collection precision and accuracy; the ability to withstand high-frequency vibrations and high-intensity external impacts is poor, and it is easy to fail during use; and the sealing and waterproof performance is poor, which easily affects the life and detection accuracy of the temperature measuring component.

[0035] The present application provides a temperature measuring component for a motor that is easy to disassemble and has high data collection accuracy. The lead-out copper bus 1 is pressed against the metal contact portion 41 by a clamping portion 42, so that the temperature sensing probe 3 and the lead-out copper bus 1 are respectively close to both sides of the metal contact portion 41 for temperature measurement, so as to monitor the temperature of the motor in real time, reduce the conduction path, and increase the sampling rate through the fast heat conduction speed of the metal material; the lead-out copper bus 1 is clamped and fixed by a clamping structure, which is easy to disassemble and repair; the temperature sensing probe 3 is positioned and sealed by a sealing member 5, so as to ensure that the temperature sensing probe 3 is close to the large metal surface and improve the sealing and waterproof performance.

[0036] Please refer to Figure 1 and Figure 2 According to the present application, an embodiment provides a temperature measurement component for a motor, which is installed on a lead-out copper busbar 1 of a motor stator for real-time temperature measurement, and includes a mounting bracket 2 and a temperature sensing probe 3, a clamping member 4 and a sealing member 5 mounted on the mounting bracket 2. The mounting bracket 2 is configured as a shell for supporting and mounting other structures; the temperature sensing probe 3 is mounted in the shell of the mounting bracket 2 and is used to measure the temperature of the lead-out copper busbar 1; the clamping member 4 is mounted on the side of the mounting bracket 2 away from the temperature sensing probe 3, and includes an integrally arranged metal contact portion 41 and a clamping portion 42, the metal contact portion 41 is used to contact the temperature sensing probe 3, the clamping portion 42 is used to press the lead-out copper busbar 1 on the metal contact portion 41, and the temperature sensing probe 3 and the lead-out copper busbar 1 are respectively tightly attached to both sides of the metal contact portion 41; the sealing member 5 is used to seal the temperature sensing probe 3 in the shell of the mounting bracket 2 and press the temperature sensing probe 3 on the metal contact portion 41.

[0037] Please refer to Figure 3 and Figure 4The mounting bracket 2 includes an integrally arranged probe mounting shell 21 and a copper busbar mounting shell 22. Both the probe mounting shell 21 and the copper busbar mounting shell 22 are formed by a concave plastic shell to form an mounting space. A slot 23 is provided between the probe mounting shell 21 and the copper busbar mounting shell 22 to interconnect the mounting spaces. The metal contact portion 41 is provided in the slot 23, so that the two sides of the metal contact portion 41 respectively form the concave bottom wall of the probe mounting shell 21 and the copper busbar mounting shell 22; the mounting space of the probe mounting shell 21 is used to install the temperature sensing probe 3, and the mounting space of the copper busbar mounting shell 22 is used to install the metal contact portion 41 and lead out the copper busbar 1.

[0038] For further information, please refer to Figure 3 and Figure 5 The temperature sensing probe 3 and the lead-out copper bus 1 are respectively tightly attached to both sides of the metal contact portion 41, wherein the temperature sensing probe 3 is sealed in the installation space of the probe installation shell 21 by the seal 5, and is pressed on the metal contact portion 41 by the seal 5; the probe installation shell 21 is provided with an avoidance groove 211 for the lead wire 32 of the temperature sensing probe 3 to pass through, and the inner wall of the probe installation shell 21 is provided with a limit block 212 for limiting the deviation of the lead wire 32 of the temperature sensing probe 3, and the plurality of limit blocks 212 are distributed along the insertion direction of the temperature sensing probe 3, thereby improving the accuracy and stability of the installation position of the temperature sensing probe 3.

[0039] In the examples of this application, please refer to Figure 2 and Figure 3 The sealing member 5 is made of sealant. After the temperature sensing probe 3 reaches the installation position and contacts the metal contact portion 41, the sealant is filled in the probe installation shell 21. The process is simple, the equipment investment is small, and the manufacturing cost is low. On the one hand, the sealing of the probe installation shell 21 is realized to improve the sealing and waterproof performance. On the other hand, the temperature sensing probe 3 is pressed against the metal contact portion 41 by filling the probe installation shell 21 to maintain the stability of the contact between the two. It has the advantages of extremely strong waterproofness, resistance to mechanical vibration, and resistance to mechanical pressure, etc., which prevents the core chip from being broken by external force during the manufacturing process, thereby ensuring the accuracy and stability of the temperature measurement of the temperature sensing probe 3.

[0040] For further information, please refer to Figure 5 and Figure 6The installation space of the copper busbar installation shell 22 is set as a guide groove 221 for plugging and unplugging the lead-out copper busbar 1. The inner wall of the guide groove 221 includes a front stop surface 222 and two opposite side guide surfaces 223. The front stop surface 222 is used to contact the front end of the lead-out copper busbar 1 to limit the plugging and unplugging length of the lead-out copper busbar 1; the side guide surfaces 223 are used to approach the two side surfaces of the lead-out copper busbar 1 and guide, and limit the plugging and unplugging direction of the lead-out copper busbar 1. In the inner wall of the guide groove 221, the front stop surface 222 is opposite to the side guide surface 223. One side is set as an opening for plugging and unplugging the lead-out copper bus 1; an anti-mistake portion 224 corresponding to the lead-out copper bus 1 is set in the guide groove 221, and the anti-mistake portion 224 is used to limit the positive and negative directions of installation of the lead-out copper bus 1. The anti-mistake portion 224 in the present application is set at the corner of the front stop surface 222 and any side guide surface 223. The anti-mistake portion 224 in the present application is set as a triangular reinforcing rib structure, so that the guide groove 221 is an asymmetric space to prevent the lead-out copper bus 1 from being plugged in reverse.

[0041] In the examples of this application, please refer to Figure 6 After confirming the insertion direction, the copper busbar 1 is inserted from the opening, and the bottom wall of the copper busbar 1 contacts the metal contact part 41. The side guide surfaces 223 on both sides are used for anti-deflection guidance until the front end of the copper busbar 1 contacts the front stop surface 222, that is, the copper busbar 1 reaches the installation position, and then the copper busbar 1 is fixed by the clamping part 42, and the copper busbar 1 is pressed against the surface of the metal contact part 41, so that the temperature sensing probe 3 and the copper busbar 1 are respectively close to the two sides of the metal contact part 41 for temperature measurement.

[0042] In another embodiment, please refer to Figure 6 and Figure 7 , a plurality of protruding positioning ears 411 are arranged on both sides of the metal contact part 41, and a positioning groove 225 for the positioning ears 411 to be clamped is correspondingly opened on the copper busbar mounting shell 22, so that the metal contact part 41 and the copper busbar mounting shell 22 remain relatively stationary; the clamping member 4 is integrally arranged, and also includes a connecting part 43, a force-applying part 44 and a pressing part 45, one end of the connecting part 43 is connected to the metal contact part 41, and the other end passes through the copper busbar mounting shell 22 and is connected to the clamping part 42, and the clamping part 42 is back One end of the connecting portion 43 gradually approaches the metal contact portion 41, and the end of the clamping portion 42 away from the connecting portion 43 forms a clamping position for clamping the lead-out copper bus 1 with the metal contact portion 41, that is, the metal contact portion 41, the connecting portion 43 and the clamping portion 42 are arranged as a "U"-shaped elastic metal structure, and the distance between the clamping portion 42 and the end of the metal contact portion 41 away from the connecting portion 43 is less than the thickness of the lead-out copper bus 1, so that the lead-out copper bus 1 is clamped and fixed by the metal elastic force of the clamping portion 42 after insertion.

[0043] For further information, please refer to Figure 7A force-applying portion 44 is provided at one end of the clamping portion 42 away from the connecting portion 43. The force-applying portion 44 and the clamping portion 42 are arranged at a non-zero angle, and the force-applying portion 44 is offset toward the side away from the metal contact portion 41, so that the operator can adjust the distance between the clamping portion 42 and the metal contact portion 41 by hand-applying force.

[0044] In the embodiment of the present application, the metal contact portion 41, the connecting portion 43, the clamping portion 42 and the force-applying portion 44 are all arranged as a plate-like structure, with an elastic snap-on metal structure design, strong anti-aging performance, and the material is preferably stainless steel with a large elastic modulus, low cost and high structural strength. In the embodiment of the present application, a plastic-coated structure design is adopted to improve the bonding strength of the elastic structure. The temperature sensing probe 3 and the lead-out copper bus 1 are respectively closely attached to both sides of the metal contact portion 41 for temperature measurement, reducing the conduction path, and the heat conduction speed through the metal material is fast, thereby improving the sampling rate; and the lead-out copper bus 1 is clamped and fixed by a clamping structure, which is convenient for disassembly and maintenance.

[0045] For further information, please refer to Figure 7 The clamping portion 42 is provided with a pressing portion 45 close to the metal contact portion 41. Specifically, the clamping portion 42 is provided with a mounting groove corresponding to the position of the temperature sensing probe 3. The pressing portion 45 is provided as a metal elastic sheet and is provided at the mounting groove position. The pressing portion 45 is provided toward the metal contact portion 41, and the distance between the pressing portion 45 and the metal contact portion 41 is less than the thickness of the lead-out copper bus 1. Therefore, when the lead-out copper bus 1 is clamped and fixed, the pressing portion 45 presses the lead-out copper bus 1 at the mounting groove position tightly against the metal contact portion 41, so that the temperature sensing probe 3 and the lead-out copper bus 1 are symmetrically distributed about the metal contact portion 41 and are respectively tightly attached to both sides of the metal contact portion 41, thereby reducing the conduction path and improving the accuracy and stability of temperature measurement.

[0046] In another embodiment, please refer to Figure 8 The temperature sensing probe 3 includes a thermistor chip 31, a lead 32, a first wrapping layer 33, a second wrapping layer 34 and a shrinking layer 35. The core chip of the temperature sensing probe 3 of the temperature measuring component can be an NTC or PTC structure. In this application, NTC is taken as an example. Terminal electrodes 36 are arranged at both ends of the thermistor chip 31. The first wrapping layer 33, the second wrapping layer 34 and the shrinking layer 35 are wrapped around the thermistor chip 31 and the terminal electrode 36 at one time. One end of the lead 32 is electrically connected to the terminal electrode 36, and the other end extends out of the shrinking layer 35 and is electrically set.

[0047] In the examples of this application, please refer to Figure 8The first wrapping layer 33 is set as a glass wrapping layer, the second wrapping layer 34 is made of thermal conductive epoxy resin, and the shrinking layer 35 is set as a double-layer shrink tube; the chip of the temperature sensing probe 3 is wrapped and sealed by glass wrapping, epoxy sealing, and double-layer shrink tube products, which has the advantages of extremely strong waterproofness, resistance to mechanical vibration, and resistance to mechanical pressure, etc., and meets the requirements of the temperature measurement component in the harsh environment of continuous high temperature, high pressure, and high vibration in the motor of new energy vehicles. Good sealing, high precision, fast response speed, and high reliability.

[0048] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A temperature measuring component applied to a motor, installed on a lead-out copper bar (1) of a motor stator for real-time temperature measurement, characterized in that: include: A mounting bracket (2), wherein the mounting bracket (2) is configured as a shell and is used to support and mount other structures; A temperature sensing probe (3) is installed in the housing of the mounting bracket (2) and is used to measure the temperature of the lead-out copper busbar (1); a clamping member (4), mounted on a side of the mounting bracket (2) facing away from the temperature sensing probe (3), comprising an integrally arranged metal contact portion (41) and a clamping portion (42), wherein the metal contact portion (41) is used to contact the temperature sensing probe (3), and the clamping portion (42) is used to press the lead-out copper busbar (1) onto the metal contact portion (41), and the temperature sensing probe (3) and the lead-out copper busbar (1) are respectively tightly attached to two sides of the metal contact portion (41); and A sealing member (5) is used to seal and hold the temperature sensing probe (3) in the housing of the mounting bracket (2).

2. The temperature measuring component according to claim 1, characterized in that: One end of the clamping portion (42) is connected to the metal contact portion (41) via a connecting portion (43), and the other end gradually approaches the metal contact portion (41); an end of the clamping portion (42) facing away from the connecting portion (43) forms a clamping position with the metal contact portion (41) for clamping the lead-out copper busbar (1).

3. The temperature measuring assembly according to claim 2, characterized in that: A force-applying portion (44) is provided at one end of the clamping portion (42) away from the connecting portion (43); the force-applying portion (44) and the clamping portion (42) are arranged at a non-zero angle, and the force-applying portion (44) is offset toward a side away from the metal contact portion (41) for applying force to adjust the distance between the clamping portion (42) and the metal contact portion (41).

4. The temperature measuring assembly according to claim 3, characterized in that: The clamping portion (42) is provided with a pressing portion (45) close to a side of the metal contact portion (41); the pressing portion (45) is correspondingly arranged on a side of the metal contact portion (41) away from the temperature sensing probe (3); the pressing portion (45) is used to push the lead-out copper busbar (1) to be in close contact with the metal contact portion (41).

5. The temperature measuring component according to any one of claims 1 to 4, characterized in that: The mounting bracket (2) comprises an integrally arranged probe mounting shell (21) and a copper busbar mounting shell (22); the probe mounting shell (21) is used to mount the temperature sensing probe (3); the copper busbar mounting shell (22) is used to mount the metal contact portion (41) and the lead-out copper busbar (1); a groove (23) which is interconnected is provided between the probe mounting shell (21) and the copper busbar mounting shell (22); and the metal contact portion (41) is provided in the groove (23).

6. The temperature measuring assembly according to claim 5, characterized in that: A plurality of protruding positioning ears (411) are provided on both sides of the metal contact portion (41), and a positioning groove (225) for the positioning ears (411) to be clamped is correspondingly provided on the copper busbar mounting shell (22), so that the metal contact portion (41) and the copper busbar mounting shell (22) remain relatively still.

7. The temperature measuring assembly according to claim 5, characterized in that: The copper busbar installation shell (22) is provided as a guide groove (221) for plugging and unplugging the lead-out copper busbar (1); the inner wall of the guide groove (221) in the circumferential direction comprises a front stop surface (222) and a side guide surface (223); the front stop surface (222) is used to limit the plugging and unplugging length of the lead-out copper busbar (1); the side guide surface (223) is used to limit the plugging and unplugging direction of the lead-out copper busbar (1); and the side opposite to the front stop surface (222) is provided as an opening for plugging and unplugging the lead-out copper busbar (1).

8. The temperature measuring assembly according to claim 7, characterized in that: An anti-mistake portion (224) corresponding to the lead-out copper busbar (1) is arranged in the guide groove (221), and the anti-mistake portion (224) is used to limit the positive and negative installation directions of the lead-out copper busbar (1).

9. The temperature measuring component according to any one of claims 6 to 8, characterized in that: The temperature sensing probe (3) comprises a thermal chip (31), a lead wire (32), a first wrapping layer (33), a second wrapping layer (34) and a shrinking layer (35); terminal electrodes (36) are arranged at both ends of the thermal chip (31); the first wrapping layer (33), the second wrapping layer (34) and the shrinking layer (35) are wrapped around the thermal chip (31) and the terminal electrode (36); one end of the lead wire (32) is electrically connected to the terminal electrode (36), and the other end extends out of the shrinking layer (35) and is electrically connected.

10. The temperature measuring assembly according to claim 9, characterized in that: The first wrapping layer (33) is configured as a glass wrapping layer, the second wrapping layer (34) is made of a heat-conductive epoxy resin, and the shrinking layer (35) is configured as a double-layer shrinking tube.

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