Integrated temperature sensor
Through the design of an integrated temperature sensor, injection molding connection and thermal grease packaging, the problems of multiple components, easy leakage and unstable welding of temperature sensors in new energy vehicles are solved, and a high-reliability and low-cost sensor design is achieved to meet the long-term use needs of new energy vehicles.
Patent Information
- Application Number
- CN202422647822.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing temperature sensors for new energy vehicles have problems such as a large number of parts, high cost, easy leakage, unstable welding quality, and difficulty in adapting to long-term vibration and high and low temperature environments.
It adopts an integrated temperature sensor design, including a connector body, a pin holder, a pin and an NTC module. Through injection molding and mechanical crimping, combined with thermal grease encapsulation and a quick-insert buckle structure, the NTC module is welded to the pin and a waterproof layer is provided to improve reliability and applicability.
The sensor achieves high reliability, low cost, and easy assembly and disassembly, reduces the risk of coolant leakage, adapts to long-term vibration and high and low temperature environments, and meets the design life requirements of new energy vehicles.
Smart Images

Figure CN223449366U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cooling pipeline system technology field for new energy automobile especially relates to an integrated temperature sensor. BACKGROUND
[0002] With the rapid development of new energy vehicles, the temperature monitoring of each part in the vehicle becomes particularly important. Integrated temperature sensors have been widely used in the field of new energy vehicles due to their high precision, high assembly efficiency, low cost and other advantages.
[0003] The current solution includes:
[0004] (1) Threaded connection sensor, the disadvantage is that the number of parts is large, the price is high, the processing is complex, and the leakage risk is easy to appear, which cannot meet the design life requirement of 10 years or 300,000 kilometers required by new energy vehicles;
[0005] (2) Ultrasonic welding sensor, ultrasonic welding is used to realize the connection of joint and sensor; the quality of ultrasonic welding is greatly affected by welding energy, so the performance of the product after welding will also have great difference with the change of welding energy. INVENTION CONTENTS
[0006] The utility model develops an integrated temperature sensor aiming at the shortage of prior art, which has high integration degree and can improve product reliability, reduce cost and facilitate disassembly and assembly.
[0007] The technical scheme for solving the technical problem of the utility model is as follows: an integrated temperature sensor, comprising a joint main body, a pin seat, a pin and an NTC module, the pin is connected with the pin seat, the pin seat and the pin are connected through injection molding, the whole is connected with the joint main body through mechanical pressure connection, and the NTC module is connected with the pin.
[0008] As a preferred, the joint main body adopts an integrated injection molded joint main body.
[0009] As a preferred, the pin and the NTC module are welded through a lead wire.
[0010] As a preferred, the NTC module is externally provided with a waterproof layer.
[0011] As a preferred, the pin seat is coated with a heat-conducting grease, and the heat-conducting grease encapsulates the pin, the NTC module and the waterproof layer through the pin seat.
[0012] As a preferred, one end of the joint main body close to the pin is provided with a quick insertion buckle.
[0013] As a preferred, a guide block is arranged in parallel with the pin inside the joint main body at the pin.
[0014] The effects provided in the content of the utility model are only the effects of the embodiments, and are not all the effects of the utility model, and the above technical solutions have the following advantages or beneficial effects:
[0015] 1. The utility model adopts waterproof mode, can satisfy the requirement of high and low temperature environment work, can satisfy the requirement of long time cooling liquid soaking, improves the applicability;
[0016] 2. Through adopting fast insertion structure, simple structure, few parts, small, light weight, convenient to disassemble and assemble, high reliability, reduces the manufacturing cost;
[0017] 3. Adopt integrated injection molding joint main part, can reduce the risk of cooling liquid leakage, also reduces the part quantity and assembly procedure of joint and sensor connection;
[0018] 4. Through the wire welding of NTC module and pin, can satisfy the requirement of long time vibration, can effectively prevent aging. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the front view of the utility model;
[0020] Figure 2 It is the right view of the utility model;
[0021] Figure 3 It is Figure 2 The sectional view of A-A direction;
[0022] Figure 4 It is the overall structure diagram of the utility model;
[0023] Figure 5 It is the bottom view of the utility model.
[0024] Among them: 1, joint main body;2, pin seat;3, pin;4, NTC module;5, waterproof layer;6, fast insertion bayonet;7, guide block. DETAILED DESCRIPTION
[0025] In order to clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation mode, and combined with its drawings.
[0026] Embodiment 1
[0027] Referring to Figures 1 to 5 An integrated temperature sensor, comprising joint main body 1, pin seat 2, pin 3 and NTC module 4, the pin 3 is connected with pin seat 2, the pin seat 2 and pin 3 are connected through injection molding, and the whole is connected with joint main body 1 through mechanical pressure connection, the NTC module 4 is connected with pin 3.
[0028] As Figure 3 shown, the joint body 1 adopts an integrally injection molded joint body 1, which can reduce the risk of coolant leakage, while reducing the number of parts and assembly procedures of the joint and sensor connection.
[0029] As Figure 3 shown, the pin 3 and the NTC module 4 are welded by lead wires, which can prevent the phenomenon of loose welding caused by long-term vibration, and effectively improve the service life of the product.
[0030] As Figures 1 to 3 shown, the NTC module 4 is externally provided with a waterproof layer 5, which can meet the requirement of long-term immersion in coolant and improve the applicability of the sensor.
[0031] As Figure 3 shown, the pin seat 2 is coated with a heat-conducting grease, which encapsulates the pin 3, the NTC module 4 and the waterproof layer 5 through the pin seat 2.
[0032] As Figure 1 , Figure 2 and Figure 4 shown, the joint body 1 is provided with a quick insertion buckle near one end of the pin 3, which is convenient for maintenance and replacement.
[0033] As Figure 5 shown, the joint body 1 is provided with a guide block 7 parallel to the pin 3 at the pin 3, which can be quickly and accurately inserted into the corresponding connection part during installation, improving the accuracy and efficiency of installation.
[0034] Although the specific embodiments of the utility model have been described in combination with the drawings, it is not a limitation on the protection scope of the utility model. Various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.
Claims
1. An integrated temperature sensor, characterized in that: The invention comprises a connector body (1), a pin seat (2), a pin (3) and an NTC module (4), wherein the pin (3) is connected to the pin seat (2), the pin seat (2) and the pin (3) are connected by injection molding, and the whole is connected to the connector body (1) by mechanical crimping, and the NTC module (4) is connected to the pin (3).
2. The integrated temperature sensor according to claim 1, characterized in that: The joint body (1) is an integrally-injected joint body (1).
3. The integrated temperature sensor according to claim 1, characterized in that: The pin (3) and the NTC module (4) are welded via wires.
4. The integrated temperature sensor according to claim 1, characterized in that: A waterproof layer (5) is provided on the outside of the NTC module (4).
5. The integrated temperature sensor according to claim 1, characterized in that: The pin socket (2) is coated with thermal grease, and the thermal grease encapsulates the pin (3), the NTC module (4) and the waterproof layer (5) through the pin socket (2).
6. The integrated temperature sensor according to claim 1, characterized in that: A quick-insert buckle is provided on one end of the connector body (1) close to the plug pin (3).
7. The integrated temperature sensor according to claim 1, characterized in that: A guide block (7) is provided at the insertion pin (3) inside the connector body (1) and parallel to the insertion pin (3).