Surface-mounted NTC temperature sampling wire harness
By using an S-shaped wire trough and fixed plate structure in the NTC temperature sampling harness, combined with a mounting plate and screw fixation, the problem of solder joint cracking caused by harness shaking is solved, a stable connection between the wires and the sensor is achieved, and the reliability of battery pack temperature monitoring is ensured.
Patent Information
- Application Number
- CN202422981154.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-04
AI Technical Summary
When the existing NTC temperature sampling harness is directly welded to the battery pack, the shaking of the harness causes the solder joints to crack, affecting the temperature sampling effect.
A patch-type NTC temperature sampling harness is used. An S-shaped wire groove is set at the bottom of the fixed plate to clamp the wires, and it is fixed with a mounting plate and screws to protect the solder joints. The temperature sensor is welded in the fixed frame and connected to the battery pack through a pressure plate to protect the sensor.
Effectively prevent solder joint cracking, ensure stable connection between wires and temperature sensors, and ensure normal battery pack temperature sampling.
Smart Images

Figure CN223435669U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wiring harness, especially a patch type NTC temperature sampling wiring harness. BACKGROUND
[0002] With the attention of various countries to the environment and energy, the demand and production of new energy vehicles increase year by year. As the power source of new energy vehicles, the temperature state of the battery pack during work plays a crucial role in the safe driving of new energy vehicles. Therefore, when the battery pack is working, a NTC temperature sampling wiring harness is needed to monitor the working temperature in real time, which can ensure that the battery pack is always in a normal working state.
[0003] The NTC temperature sampling wiring harness currently used is directly welded on the temperature sampling surface of the battery pack, and the shaking of the wiring harness can cause the cracking of the welding points, affecting normal temperature sampling. UTILITY MODEL CONTENT
[0004] The utility model aims at solving at least one of the technical defects.
[0005] The utility model aims at overcoming the shortcomings of the prior art, solving the problems mentioned in the background art, and providing a patch type NTC temperature sampling wiring harness.
[0006] The utility model realizes the purpose by the following technical scheme: a patch type NTC temperature sampling wiring harness, comprising a fixed plate, a wire slot is formed in the bottom of the fixed plate, a wire is clamped in the inside of the wire slot, mounting plates are fixedly connected to the left and right sides of the fixed plate, a first mounting hole is formed in the inside of the mounting plate, and a temperature sensor is welded at the end of the wire.
[0007] A fixed frame is fixedly connected to the side of the fixed plate close to the temperature sensor, a clamping groove is formed in the top of the fixed frame, a clamping plate is clamped in the inside of the clamping groove, a pressing plate is fixedly connected to the top of the clamping plate, and second mounting holes are formed in the left and right sides of the pressing plate.
[0008] Preferably, the number of wire slots is two, the two wire slots are respectively located on the left and right sides of the bottom of the fixed plate, the depth of the wire slot is less than the thickness of the fixed plate, and the wire slot is S-shaped.
[0009] By adopting the above technical scheme, the S-shaped wire slot can clamp the wire inside, even if the wire is pulled, the wire in the S-shaped wire slot will only tighten, the welding point will not be pulled and cracked, and the purpose of protecting the welding point is achieved.
[0010] Preferably, the number of mounting plates is two, the two mounting plates are respectively welded on the left and right sides of the fixed plate, the mounting plate is a semicircular plate, and the first mounting hole is located at the center of the mounting plate.
[0011] By adopting the above technical solution, the mounting plate and screws can fix the fixing plate.
[0012] Preferably, the fixing frame is a U-shaped frame, the size of the fixing frame is the same as the thickness of the fixing plate, the size of the fixing frame is the same as the width of the fixing plate, and the temperature sensor is located at the center of the fixing frame.
[0013] By adopting the above technical solution, the fixing frame wraps the temperature sensor, and the hollow fixing frame can facilitate welding of the temperature sensor.
[0014] Preferably, the card slot is a rectangular slot, and there are two card slots. The two card slots are respectively located on the left and right sides of the top of the fixed frame, and the depth of the card slot is less than the thickness of the fixed frame.
[0015] By adopting the above technical solution, the clamping connection between the clamping slot and the clamping plate can facilitate the connection between the fixing frame and the pressing plate.
[0016] Preferably, the number of the card plates is two, and the two card plates are respectively located on the left and right sides of the bottom of the pressure plate. The size of the card plates is adapted to the size of the card slots, and the second mounting hole is a round hole.
[0017] By adopting the above technical solution, the pressing plate and the carrier can be connected by screws, and the fixing frame at the bottom can be pressed and fixed.
[0018] Compared with the prior art, the utility model has the following advantages:
[0019] 1. This patch-type NTC temperature sampling harness is equipped with a wire groove. The bottom of the fixed plate is provided with a wire groove. The inside of the wire groove is clamped with a wire. The left and right sides of the fixed plate are fixedly connected with mounting plates. When in use, the wire can be bent and inserted into the S-shaped wire groove. Then, the mounting plate is fixed to the carrier with screws. The wire is pressed at the bottom by the fixing plate. Even if the wire is pulled, the wire in the S-shaped wire groove will only tighten, and the solder joint will not be pulled and cracked, thereby achieving the purpose of protecting the solder joint.
[0020] 2. The patch-type NTC temperature sampling harness is provided with a pressure plate, a card slot is opened on the top of the fixed frame, a card plate is connected inside the card slot, and a pressure plate is fixedly connected to the top of the card plate. The temperature sensor is located in the fixed frame, and the temperature sensor can be welded in the fixed frame. After welding, the card plate at the bottom of the pressure plate can be connected to the card slot at the top of the fixed frame. The pressure plate and the battery pack can be connected as a whole by screws. The pressure plate covers the temperature sensor in the fixed frame to achieve the purpose of protecting the temperature sensor. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural diagram of the utility model;
[0022] Figure 2 This is a structural diagram of the fixing plate of the utility model from the first perspective;
[0023] Figure 3 This is a structural diagram of the fixing plate of the utility model from a second perspective;
[0024] Figure 4 It is a structural schematic diagram of the pressing plate of the utility model.
[0025] In the figure: 1-fixing plate, 2-wire slot, 3-wire, 4-mounting plate, 5-first mounting hole, 6-temperature sensor, 7-fixing frame, 8-card slot, 9-card plate, 10-pressing plate, 11-second mounting hole. DETAILED DESCRIPTION
[0026] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.
[0027] like Figure 1-3 As shown, a patch-type NTC temperature sampling harness includes a fixing plate 1, a wire groove 2 is opened at the bottom of the fixing plate 1, a wire 3 is clamped inside the wire groove 2, mounting plates 4 are welded on the left and right sides of the fixing plate 1, a first mounting hole 5 is opened inside the mounting plate 4, and a temperature sensor 6 is welded to the end of the wire 3.
[0028] With the above arrangement, when in use, the wire 3 can be bent and inserted into the S-shaped wire trough 2, and then the mounting plate 4 is fixed to the carrier by screws. The wire 3 is pressed at its bottom by the fixing plate 1. Even if the wire 3 is pulled, the wire 3 in the S-shaped wire trough 2 will only be tightened, and the solder joint will not be pulled and cracked, thereby achieving the purpose of protecting the solder joint.
[0029] like Figure 1 and Figure 4 As shown, a fixing frame 7 is welded to one side of the fixing plate 1 close to the temperature sensor 6. A card slot 8 is provided on the top of the fixing frame 7. A card plate 9 is clamped inside the card slot 8. A pressing plate 10 is welded to the top of the card plate 9. Second mounting holes 11 are provided on both the left and right sides of the pressing plate 10.
[0030] With the above arrangement, the temperature sensor 6 can be welded in the fixing frame 7. After welding, the card plate 9 at the bottom of the pressing plate 10 can be clamped into the card slot 8 at the top of the fixing frame 7. The pressing plate 10 and the battery pack can be connected as a whole by screws. The pressing plate 10 covers the temperature sensor 6 in the fixing frame 7 to achieve the purpose of protecting the temperature sensor 6.
[0031] As a preferred technical solution of the present invention, there are two wire grooves 2, which are respectively located on the left and right sides of the bottom of the fixed plate 1. The depth of the wire groove 2 is less than the thickness of the fixed plate 1, and the wire groove 2 is S-shaped.
[0032] As an optimal technical solution of the present invention, there are two mounting plates 4 , which are respectively welded to the left and right sides of the fixing plate 1 . The mounting plates 4 are semicircular plates, and the first mounting hole 5 is located at the center of the mounting plates 4 .
[0033] As an optimal technical solution of the present invention, the fixed frame 7 is a U-shaped frame, the size of the fixed frame 7 is the same as the thickness of the fixed plate 1, the size of the fixed frame 7 is the same as the width of the fixed plate 1, and the temperature sensor 6 is located at the center of the fixed frame 7.
[0034] As an optimal technical solution of the present invention, the card slot 8 is a rectangular slot, and there are two card slots 8 . The two card slots 8 are respectively located on the left and right sides of the top of the fixed frame 7 , and the depth of the card slot 8 is less than the thickness of the fixed frame 7 .
[0035] As an optimal technical solution of the present invention, there are two card plates 9, which are respectively located on the left and right sides of the bottom of the pressure plate 10. The size of the card plates 9 is adapted to the size of the card slot 8, and the second mounting hole 11 is a round hole.
[0036] The working process of this utility model is as follows:
[0037] S1. Bend the wire 3 and insert it into the S-shaped wire trough 2. Then fix the mounting plate 4 to the carrier with screws. The wire 3 is pressed at the bottom by the fixing plate 1. Even if the wire 3 is pulled, the wire 3 in the S-shaped wire trough 2 will only tighten, and the solder joint will not be pulled or cracked.
[0038] S2. The temperature sensor 6 can be welded in the fixing frame 7;
[0039] S3. Clip the card plate 9 at the bottom of the pressing plate 10 into the card slot 8 at the top of the fixing frame 7. Connect the pressing plate 10 and the battery pack as a whole through screws. The pressing plate 10 covers the temperature sensor 6 in the fixing frame 7.
[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A patch type NTC temperature sampling harness, characterized by: The invention comprises a fixing plate (1), a wire groove (2) is provided at the bottom of the fixing plate (1), a wire (3) is clamped inside the wire groove (2), a mounting plate (4) is fixedly connected to the left and right sides of the fixing plate (1), a first mounting hole (5) is provided inside the mounting plate (4), and a temperature sensor (6) is welded to the end of the wire (3); A fixing frame (7) is fixedly connected to one side of the fixing plate (1) close to the temperature sensor (6); a card slot (8) is provided on the top of the fixing frame (7); a card plate (9) is clamped inside the card slot (8); a pressure plate (10) is fixedly connected to the top of the card plate (9); and second mounting holes (11) are provided on both the left and right sides of the pressure plate (10).
2. A patch-type NTC temperature sampling harness according to claim 1, characterized in that: There are two wire grooves (2), which are respectively located on the left and right sides of the bottom of the fixed plate (1). The depth of the wire groove (2) is less than the thickness of the fixed plate (1), and the wire groove (2) is S-shaped.
3. The chip-type NTC temperature sampling harness according to claim 1, characterized in that: There are two mounting plates (4), which are respectively welded to the left and right sides of the fixing plate (1). The mounting plates (4) are semicircular plates, and the first mounting hole (5) is located at the center of the mounting plate (4).
4. The chip-type NTC temperature sampling harness according to claim 1, characterized in that: The fixing frame (7) is a U-shaped frame, the size of the fixing frame (7) is the same as the thickness of the fixing plate (1), the size of the fixing frame (7) is the same as the width of the fixing plate (1), and the temperature sensor (6) is located at the center of the fixing frame (7).
5. The chip-type NTC temperature sampling harness according to claim 1, characterized in that: The card slot (8) is a rectangular slot. There are two card slots (8) and the two card slots (8) are respectively located on the left and right sides of the top of the fixed frame (7). The depth of the card slot (8) is less than the thickness of the fixed frame (7).
6. The chip-type NTC temperature sampling harness according to claim 1, characterized in that: There are two card plates (9), which are respectively located on the left and right sides of the bottom of the pressure plate (10). The size of the card plates (9) matches the size of the card slot (8), and the second mounting hole (11) is a circular hole.