Novel temperature-monitored high-voltage low-current connector

By introducing a temperature sensing component into the high-voltage, low-current connector, the problem of insufficient temperature monitoring is solved, enabling real-time monitoring of terminal temperature, improving equipment safety and service life, and ensuring the timeliness and accuracy of heat conduction.

CN224329017UActive Publication Date: 2026-06-05SUZHOU RECODEAL INTERCONNECT SYST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU RECODEAL INTERCONNECT SYST
Filing Date
2025-04-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing high-voltage, low-current connectors lack temperature monitoring modules, which may cause electronic components to fail or burn when the temperature is too high, posing a safety hazard and reducing equipment performance and lifespan.

Method used

A temperature sensing component, including a heat-conducting element and a temperature-sensing element, is introduced into the high-voltage, low-current connector. The heat is transferred to the temperature-sensing element on the PCB through the heat-conducting element, and the temperature signal is transmitted to the electronic controller in real time through the low-voltage connector to achieve real-time temperature monitoring.

Benefits of technology

It enables real-time monitoring of terminal temperature, avoids safety hazards, improves equipment safety performance and service life, and has a simple structure, few changes in related components, timely and accurate heat conduction, and no delay in temperature data.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224329017U_ABST
    Figure CN224329017U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel temperature monitoring's high pressure small current connector. This high pressure small current connector includes shell and the multiple adaptation high pressure small current's terminal of axle cover in the shell, temperature sensing component, heat conducting element, temperature sensing component includes multiple heat conducting elements, multiple temperature sensing elements and PCB board, and heat conducting element sleeve joint fits terminal middle section and its rear recess groove wraps temperature sensing element, and temperature sensing element rear end connects PCB board, the signal pin of low voltage connector connects PCB board and its outer end electric connection external electronic controller, and heat conducting element transmits heat to the temperature sensing element on PCB board, and through low voltage connector, temperature signal is transmitted to electronic controller in real time, realizes the real time monitoring of high pressure small current connector. The utility model has the effect of real time monitoring operating temperature, and equipment safety is high, and service life is high.
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Description

Technical Field

[0001] This utility model relates to the field of electrical connections, and in particular to a novel high-voltage, low-current connector for temperature monitoring. Background Technology

[0002] The new energy industry is developing rapidly. High-voltage, low-current connectors are important components of new energy equipment. When using connectors, the terminal temperature rises rapidly. However, current high-voltage, low-current connectors lack temperature monitoring modules. This has several drawbacks: firstly, excessively high temperatures can cause the connector itself or connected electronic components and cables to fail or burn, posing safety hazards and reducing equipment performance and lifespan. Utility Model Content

[0003] To address one or more of the aforementioned problems, this invention provides a novel high-voltage, low-current connector for temperature monitoring.

[0004] According to one aspect of the present invention, the novel high-voltage, low-current connector for temperature monitoring includes a housing and a plurality of terminals adapted for high-voltage, low-current operation sleeved within the housing, and further includes:

[0005] The temperature sensing component includes multiple heat-conducting elements, multiple temperature sensing elements, and a PCB board disposed in the inner cavity of the housing. The first shaft hole of the heat-conducting element is sleeved with the middle section of the bonding terminal, and the rear groove on one side of the heat-conducting element wraps around and bonds the front end of the temperature sensing element. The rear end of the temperature sensing element is connected to the front side of the PCB board.

[0006] The low-voltage connector is fixedly connected to the rear end of the housing. The inner ends of the multiple signal pins of the low-voltage connector are connected to the rear side of the PCB board, and the outer ends are electrically connected to the external electronic controller. The heat-conducting element transfers heat to the temperature sensing element on the PCB board, and the temperature signal is transmitted to the electronic controller in real time through the low-voltage connector, realizing real-time monitoring of the high-voltage, low-current connector.

[0007] In some implementations, the temperature sensing element is an NTC thermistor, which is soldered to the front side of the PCB board.

[0008] In some embodiments, the heat-conducting element includes a ring and a detection stage integrally connected to the outer side of the ring;

[0009] The central through hole of the annulus is the first shaft hole, and the middle cylindrical section of the terminal is connected to the inner wall of the first shaft hole by an interference fit bushing.

[0010] The rear end face of the testing station is provided with a rectangular rear groove, and a rectangular sheet-shaped temperature sensing element is attached to and connected to the rear groove.

[0011] In some implementations, the thermally conductive element is made of thermally conductive silicone rubber.

[0012] In some embodiments, the front housing of the outer casing is provided with several insertion holes, and each insertion hole has a positioning groove on its rear side that is the same as the outline size of the heat-conducting element. The front end of the terminal is connected to the insertion hole with an equal diameter plug sleeve, and the heat-conducting element is interference-fitted into the positioning groove.

[0013] In some implementations, the terminals include multiple high-voltage, low-current terminals with different diameters and different current-carrying capacities, and the dimensions of the sockets, positioning slots, and heat-conducting elements are adapted to the terminal diameters.

[0014] In some implementations, the first through hole of the PCB board and the vertical stud of the front housing are connected by screws.

[0015] In some embodiments, the low-voltage connector includes a low-voltage housing and a plurality of signal pins sleeved within the low-voltage housing. The low-voltage housing is sleeved into the rear end tube of the tail cover, and the signal pins pass through the through-hole of the tail cover to be soldered onto a PCB board.

[0016] In some embodiments, the first latch on the outer wall of the tail cap engages with the first latch hole on the rear end wall of the front housing;

[0017] The first card head has symmetrical elastic openings on both sides.

[0018] In some implementations, the terminal back end passes through the first process through hole of the PCB board and the second process through hole of the tail cover to electrically connect the cable.

[0019] A high-voltage interlock terminal is also installed inside the front housing.

[0020] This novel high-voltage, low-current temperature monitoring connector achieves real-time and effective monitoring of terminal temperature through a new temperature-sensing component and a low-voltage connector. Its advantages are: First, the device monitors the terminal's operating temperature in real time, avoiding safety hazards caused by excessive temperature, resulting in high equipment safety and a long service life. Second, the new temperature-sensing system has a simple structure, adding only the volume of a heat-conducting element. It utilizes existing PCB boards and external electronic controllers, minimizing changes to related components and simplifying assembly. Third, the heat-conducting element of this new temperature-sensing system is attached to both the terminal and the temperature-sensing element at one end, without gaps or adapters, ensuring timely and accurate heat transfer and precise temperature data without delay. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of a novel high-voltage low-current connector for temperature monitoring according to one embodiment of the present invention.

[0022] Figure 2 for Figure 1 A cross-sectional schematic diagram of a high-voltage, low-current connector is shown.

[0023] Figure 3 for Figure 2A three-dimensional schematic diagram of the temperature sensing component and the low-voltage connector shown.

[0024] Figure 4 for Figure 3 The exploded three-dimensional view of the temperature sensing component and the low-voltage connector shown.

[0025] Figure 5 for Figure 4 A three-dimensional schematic diagram of the temperature sensing element and PCB board shown.

[0026] Figure 6 for Figure 1 A three-dimensional exploded view of the outer shell shown;

[0027] Outer shell 01, front shell 010, insertion hole 011, positioning groove 012, vertical stud 013, tail cap 014, first clip head 015, first clip hole 016, elastic opening slot 017, second process through hole 018, rear end tube 019.

[0028] terminal 02;

[0029] Temperature sensing component 03, heat conducting element 1, ring 10, first shaft hole 100, detection stage 11, rear groove 110, temperature sensing element 2, PCB board 3, first through hole 31, first process through hole 32;

[0030] Low-voltage connector 04, low-voltage housing 040, signal pin 041;

[0031] Sealing ring 05. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to the directions in the accompanying drawings, while the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0033] Figures 1 to 6 The diagram schematically illustrates a novel high-voltage, low-current temperature monitoring connector according to one embodiment of the present invention. As shown, the novel high-voltage, low-current temperature monitoring connector includes a housing 01 and a plurality of terminals 02 adapted for high voltage and low current, sleeved within the housing 01. It also includes a temperature sensing component 03 and a low-voltage connector 04.

[0034] The temperature sensing component 03 includes multiple heat-conducting elements 1, multiple temperature-sensing elements 2, and a PCB board 3 disposed within the inner cavity of the housing 01. The first shaft hole 100 of the heat-conducting element 1 is fitted onto the middle section of the bonding terminal 02, and a rear groove 110 on one side of the heat-conducting element 1 wraps around and bonds to the front end of the temperature-sensing element 2. The rear end of the temperature-sensing element 2 is connected to the front side of the PCB board 3. The heat-conducting element 1 is preferably made of thermally conductive silicone rubber (TCMS), which has excellent temperature conductivity and provides fast and accurate temperature transfer. The temperature-sensing element 2 is preferably an NTC thermistor, soldered to the front side of the PCB board 3. The NTC thermistor has excellent performance in converting temperature signals into electrical signals, providing high detection accuracy and low data lag.

[0035] The low-voltage connector 04 is fixedly connected to the rear end of the housing 01. The inner ends of the multiple signal pins 041 of the low-voltage connector 04 are connected to the rear side of the PCB board 3, and the outer ends are electrically connected to the external electronic controller. The external electronic controller is preferably an in-vehicle control component. The heat-conducting element 1 transfers heat to the temperature-sensing element 2 on the PCB board 3. The temperature signal is transmitted to the electronic controller in real time through the low-voltage connector 04 to realize real-time monitoring of the high-voltage, low-current connector.

[0036] This novel high-voltage, low-current temperature monitoring connector achieves real-time and effective monitoring of terminal temperature through a novel temperature-sensing component 03 and a low-voltage connector 04. Its advantages are: First, the device monitors the terminal's operating temperature in real time, avoiding safety hazards caused by excessive temperature, resulting in high equipment safety and a long service life. Second, the novel temperature-sensing system has a simple structure, adding only the volume of a heat-conducting element 1, utilizing the existing PCB board 3 and external electronic controller, minimizing changes to related components and simplifying the assembly process. Third, the heat-conducting element 1 of the novel temperature-sensing system is attached to terminal 02 at one end and to temperature-sensing element 2 at the other end, without any gaps or adapters, ensuring timely and accurate heat conduction and precise temperature data without delay.

[0037] Furthermore, the heat-conducting element 1 includes a circular ring 10 and a detection platform 11 integrally connected to the outer side of the circular ring 10; the central through hole of the circular ring 10 is a first shaft hole 100, and the middle cylindrical section of the terminal 02 is interference-fitted to the inner wall of the first shaft hole 100; the rear end face of the detection platform 11 is provided with a rectangular rear groove 110, and the rectangular sheet-shaped temperature sensing element 2 is fitted and connected to the rear groove 110. Preferably, the front shell 010 of the outer shell 01 is provided with a plurality of insertion holes 011, and the rear side of each insertion hole 011 is provided with a positioning groove 012 with the same outline size as the heat-conducting element 1, the front end of the terminal 02 is fitted with an equal diameter insertion sleeve to the insertion hole 011, and the heat-conducting element 1 is interference-fitted to the positioning groove 012. Its beneficial effect is that this arrangement has good precision fitting performance and achieves efficient, rapid and timely heat conduction.

[0038] Preferably, terminal 02 includes multiple high-voltage, low-current terminals with different diameters and current-carrying capacities. The diameter of each terminal 02 is positively correlated with the current-carrying capacity required by the connector. The dimensions of the insertion hole 011, positioning groove 012, and heat-conducting element 1 of the front housing 010 are adapted to the terminal diameters. The beneficial effect is that this arrangement improves the applicability of the connector.

[0039] Preferably, the rear cavity wall of the front housing 010 is provided with a vertical stud 013, and the first through hole 31 of the PCB board 3 and the vertical stud 013 are fixedly connected by screws. The advantage of this arrangement is that the PCB board 3 is easy to install and remove.

[0040] Furthermore, the low-voltage connector 04 includes a low-voltage housing 040 and multiple signal pins 041 sleeved within the low-voltage housing 040. The low-voltage housing 040 is inserted into the rear end tube 019 of the tail cover 014 of the outer housing 01. The signal pins 041 pass through the through holes of the tail cover 014 and are soldered to the PCB board 3. The advantages are: this arrangement can secure the low-voltage connector 04 with high precision and can protect the low-voltage connector 04.

[0041] Preferably, the outer wall of the tail cap 014 is symmetrically provided with first locking heads 015, and the rear end wall of the front housing 010 is symmetrically provided with first locking holes 016. The first locking heads 015 are connected to the first locking holes 016, so that the tail cap 014 is locked into the front housing 010 and seals the rear end cavity of the front housing 010.

[0042] The first clip 015 has symmetrical elastic openings 017 on both sides. The advantage of this feature is that it facilitates assembly and disassembly.

[0043] Furthermore, the tail cover 014 is also provided with several second process through holes 018, and the terminal 02 passes through the first process through hole 32 and the second process through hole 018 of the PCB board 3 to electrically connect the cable.

[0044] A high-voltage interlock terminal is also installed inside the front housing 010;

[0045] A sealing ring 05 is also installed in the middle of the front housing 010. Its beneficial effect is that this setting can play a good role in sealing and safety protection.

[0046] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A novel high-voltage, low-current connector for temperature monitoring, comprising a housing (01) and a plurality of terminals (02) adapted for high voltage and low current, sleeved within the housing (01), characterized in that, Also includes: The temperature sensing component (03) includes multiple heat-conducting elements (1), multiple temperature sensing elements (2) and a PCB board (3) disposed in the inner cavity of the outer shell (01). The first shaft hole (100) of the heat-conducting element (1) is sleeved on the middle section of the bonding terminal (02) and the rear groove (110) on one side of it wraps around the front end of the bonding temperature sensing element (2). The rear end of the temperature sensing element (2) is connected to the front side of the PCB board (3). The low-voltage connector (04) is fixedly connected to the rear end of the housing (01). The inner ends of the multiple signal pins (041) of the low-voltage connector (04) are connected to the rear side of the PCB board (3) and the outer ends are electrically connected to the external electronic controller. The heat-conducting element (1) transfers heat to the temperature-sensing element (2) on the PCB board (3). The temperature signal is transmitted to the electronic controller in real time through the low-voltage connector (04) to realize the real-time monitoring of the high-voltage low-current connector.

2. The high-voltage low-current connector according to claim 1, characterized in that, The temperature sensing element (2) is an NTC thermistor, and the temperature sensing element (2) is soldered to the front side of the PCB board (3).

3. The high-voltage low-current connector according to claim 1, characterized in that, The heat-conducting element (1) includes a ring (10) and a detection platform (11) integrally connected to the outer side of the ring (10); The central through hole of the annular body (10) is the first shaft hole (100), and the middle cylindrical section of the terminal (02) is connected to the inner wall of the first shaft hole (100) by an interference fit bushing. The rear end face of the detection stage (11) is provided with a rectangular rear groove (110), and a rectangular sheet-shaped temperature sensing element (2) is attached to and connected to the rear groove (110).

4. The high-voltage, low-current connector according to claim 3, characterized in that, The thermally conductive element (1) is made of thermally conductive silicone rubber.

5. The high-voltage low-current connector according to claim 3 or 4, characterized in that, The front housing (010) of the outer shell (01) is provided with a plurality of insertion holes (011). Each insertion hole (011) has a positioning groove (012) with the same outline size as the heat-conducting element (1) on its rear side. The front end of the terminal (02) is connected to the insertion hole (011) with an equal diameter insert, and the heat-conducting element (1) is interference-fitted into the positioning groove (012).

6. The high-voltage low-current connector according to claim 5, characterized in that, The terminal (02) includes multiple high-voltage low-current terminals with different diameters and different current carrying capacities. The dimensions of the socket (011), positioning groove (012) and heat-conducting element (1) are adapted to the diameter of the terminal (02).

7. The high-voltage, low-current connector according to claim 1, characterized in that, The first through hole (31) of the PCB board (3) and the vertical stud (013) of the front housing (010) are connected by screws.

8. The high-voltage low-current connector according to claim 1, characterized in that, The low-voltage connector (04) includes a low-voltage housing (040) and a plurality of signal pins (041) sleeved inside the low-voltage housing (040). The low-voltage housing (040) is inserted into the rear end tube (019) of the tail cover (014). The signal pins (041) pass through the through hole of the tail cover (014) and are soldered to the PCB board (3).

9. The high-voltage low-current connector according to claim 8, characterized in that, The first clip (015) on the outer wall of the tail cap (014) engages with the first clip hole (016) on the rear wall of the front housing (010); The first card head (015) has symmetrical elastic opening slots (017) on both sides.

10. The high-voltage, low-current connector according to claim 9, characterized in that, The terminal (02) is connected to the electrical cable via the first process through hole (32) of the PCB board (3) and the second process through hole (018) of the tail cap (014) at the rear end; A high-voltage interlock terminal is also installed inside the front housing (010).