A connector with an NTC thermistor

Abstract

This utility model discloses a connector with an NTC thermistor, including conductive terminals, an NTC thermistor, and a plastic housing. The conductive terminals are installed inside the plastic housing, and a mounting cover is provided at one end of the plastic housing. The NTC thermistor is horizontally mounted on the mounting cover. Terminal pins are connected to the conductive terminals, and the upper ends of the terminal pins extend through the mounting cover. The terminal pins are located on one side of the NTC thermistor, and an insulating layer is provided between the NTC thermistor and the terminal pins. This utility model's connector can monitor the terminal temperature in real time, ensuring power is cut off before connector failure, and can also prevent voltage breakdown between the NTC thermistor and the terminal pins.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a connector with an NTC thermistor. Background Technology

[0002] In electronic devices, connectors are critical components for current transmission, and their temperature rise directly affects the reliability and safety of the equipment. Traditional connectors typically lack real-time temperature monitoring capabilities, which can lead to fires or equipment damage due to excessive temperature rise under overload or poor contact conditions.

[0003] Therefore, there is a need to provide a connector with an NTC thermistor to solve the above problems. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a connector with an NTC thermistor, which can monitor the terminal temperature in real time, ensure power-off processing before connector failure, and avoid voltage breakdown between the NTC thermistor and the terminal pins.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A connector with an NTC thermistor includes conductive terminals, an NTC thermistor, and a plastic housing. The conductive terminals are installed inside the plastic housing, and a mounting cover is provided at one end of the plastic housing. The NTC thermistor is horizontally mounted on the mounting cover. Terminal pins are connected to the conductive terminals, and the upper ends of the terminal pins extend through the mounting cover. The terminal pins are located on one side of the NTC thermistor, and an insulating layer is provided between the NTC thermistor and the terminal pins.

[0007] As a further improvement to the above technical solution, an NTC pin is provided at the end of the NTC thermistor away from the terminal pin, and the end of the NTC pin extends out of the mounting cover.

[0008] As a further improvement to the above technical solution, a mounting groove is provided on the inner end of the mounting cover, the NTC thermistor is installed in the mounting groove, and the insulating layer is provided at the end of the mounting groove near the terminal pin.

[0009] As a further improvement to the above technical solution, a first mounting channel is provided on one side of the mounting slot, and the terminal pin is disposed in the first mounting channel. A second mounting channel is provided on the other side of the mounting slot, and the NTC pin is disposed in the second mounting channel.

[0010] As a further improvement to the above technical solution, the terminal pin includes a rigid pin and a flexible braided wire. One end of the flexible braided wire is connected to the conductive terminal, and the other end of the flexible braided wire is connected to the rigid pin. The lower end of the rigid pin is installed in the first mounting channel.

[0011] As a further improvement to the above technical solution, a limiting block is provided at the outer end of the first installation channel, and a snap-fit ​​protrusion is provided on the rigid pin, which snaps into the limiting block.

[0012] As a further improvement to the above technical solution, the end of the plastic shell is provided with an installation cavity and a connecting limiting post, and the inner end of the installation cover is provided with an installation groove. When the installation cover is inserted into the installation cavity, the connecting limiting post is inserted into the installation groove.

[0013] As a further improvement to the above technical solution, a limiting protrusion is provided on the outer end of the mounting cover, which is used to engage with the PCB board.

[0014] As a further improvement to the above technical solution, both the plastic housing and the mounting cover are made of high-temperature resistant insulating material.

[0015] The beneficial effects of this utility model are:

[0016] This invention uses an NTC thermistor inside the connector to provide real-time feedback on the temperature data of the terminal pins, ensuring timely power disconnection before connector failure. At the same time, an insulating layer is used to isolate the NTC thermistor from the terminal pins, avoiding breakdown failure due to voltage difference, which could affect the test results or even cause a short circuit risk. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the connector structure of this utility model;

[0019] Figure 2 This is a cross-sectional installation structure diagram of the negative conductive terminal connector of this utility model;

[0020] Figure 3 This is a cross-sectional installation structure diagram of the positive conductive terminal connector of this utility model.

[0021] Reference numerals: 1. Conductive terminal; 2. NTC thermistor; 3. Plastic housing; 31. Mounting cavity; 32. Connecting limit post; 4. Mounting cover; 41. Mounting groove; 42. First mounting channel; 43. Second mounting channel; 44. Limiting block; 45. Mounting groove; 46. Limiting protrusion; 5. Terminal pin; 51. Snap-fit ​​protrusion; 6. Insulating layer; 7. NTC pin; 8. Nut. Detailed Implementation

[0022] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit ​​connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.

[0023] Reference Figures 1 to 3 A connector with an NTC thermistor is disclosed, comprising a positive conductive terminal connector and a negative conductive terminal connector. Both types of connectors include a conductive terminal 1, an NTC thermistor 2, and a plastic housing 3. The conductive terminal 1 is securely mounted within the internal space of the plastic housing 3, and a mounting cover 4 is provided at the end of the plastic housing 3 to prevent external factors from interfering with the internal circuitry, ensuring the stability of the internal structure, while also providing mounting positions for other components. The NTC thermistor 2 is horizontally mounted on the mounting cover 4. Terminal pins 5 are connected to the conductive terminal 1, and the upper ends of the terminal pins 5 protrude from the mounting cover 4 for connection to external circuitry. The terminal pins 5 are located on one side of the NTC thermistor 2, enabling real-time monitoring of the temperature of the terminal pins 5 to ensure timely power disconnection before potential connector failure, thereby avoiding potential safety hazards. Furthermore, an insulating layer 6 is provided between the NTC thermistor 2 and the terminal pins 5, effectively preventing voltage breakdown that may occur between the NTC and the power terminal, providing strong assurance for the stability and durability of the entire connector.

[0024] Reference Figure 2 In an embodiment of this utility model, the NTC thermistor 2 is provided with an NTC pin 7 at the end away from the terminal pin 5, so that the NTC thermistor 2 can sensitively detect the temperature of the terminal pin 5. The end of the NTC pin 7 extends out of the mounting cover 4, so that the NTC thermistor can be more flexibly connected to the external circuit and ensure the normal operation of the connector.

[0025] Reference Figure 2 In this embodiment of the present invention, the inner end of the mounting cover 4 is provided with a mounting groove 41, and the NTC thermistor 2 is installed in the mounting groove 41 to achieve a stable and reliable fixation of the NTC thermistor 2. At the same time, in order to ensure electrical isolation between the NTC thermistor 2 and the terminal pin 5, the insulating layer 6 is carefully set at the end of the mounting groove 41 near the terminal pin 5, effectively preventing safety hazards such as voltage breakdown.

[0026] Reference Figure 1 , Figure 2 In an embodiment of this utility model, in order to optimize the layout and installation of the terminal pin 5 and the NTC pin 7, a first installation channel 42 is provided on one side of the mounting groove 41, and the terminal pin 5 is disposed in the first installation channel 42, which not only ensures the stability of the terminal pin 5, but also facilitates its connection with the external circuit; a second installation channel 43 is provided on the other side of the mounting groove 42, and the NTC pin 7 is disposed in the second installation channel 43, so as to realize the flexible connection between the NTC thermistor 2 and the external circuit.

[0027] Specifically, the terminal pin 5 includes a rigid pin and a flexible braided wire. One end of the flexible braided wire is connected to the conductive terminal, and the other end of the flexible braided wire is connected to the rigid pin. The lower end of the rigid pin is installed in the first mounting channel, which facilitates the flexible connection of the terminal pin 5 with the conductive terminal 1 and the external circuit, ensuring the normal operation of the connector.

[0028] Specifically, a limiting block 44 is provided at the outer end of the first mounting channel 42, and a snap-fit ​​protrusion 51 is provided on the rigid pin. During the installation process, the snap-fit ​​protrusion 51 and the limiting block 44 are precisely snapped together, thereby ensuring that the terminal pin 5 is firmly fixed in the first mounting channel 42 and effectively preventing it from loosening or falling off during use.

[0029] Reference Figure 2In this embodiment of the present invention, the end of the plastic shell 3 is provided with an installation cavity 31 and a connecting limiting post 32, providing a stable and precise installation position for the installation cover 4. At the same time, the inner end of the installation cover 4 is provided with an installation groove 45 that matches the connecting limiting post 32. When the installation cover 4 is inserted into the installation cavity 31, the connecting limiting post 32 is inserted into the installation groove 45, thereby ensuring a stable connection between the installation cover 4 and the plastic shell 3 and effectively preventing loosening or displacement.

[0030] Reference Figure 2 In an embodiment of this utility model, to enhance the connection stability between the mounting cover 4 and the external circuit (such as a PCB board), a limiting protrusion 46 is provided on the outer end of the mounting cover 4. This limiting protrusion 46 is cleverly designed to engage with a corresponding slot or structure on the PCB board, thereby ensuring the secure fixing of the mounting cover 4 and even the entire connector on the PCB board, and improving the reliability and stability of the overall circuit.

[0031] Reference Figure 2 In the embodiments of this utility model, both the plastic shell 3 and the mounting cover 4 are made of high-temperature resistant insulating materials, such as polyphenylene sulfide (PPS), polyimide (PI), epoxy resin (EP), phenolic resin (PF), etc., which have excellent heat resistance, can maintain stable physical and chemical properties in high-temperature environments, and also have good insulation properties, which can effectively prevent safety hazards such as voltage short circuits or leakage.

[0032] Furthermore, the plastic housing 3 is threaded with a nut 8, allowing the connector to be easily fixedly connected to external equipment or structures, improving its practicality and convenience. In practical applications, users can achieve a secure installation of the connector simply by rotating the nut 8, greatly simplifying the installation process and improving installation efficiency.

[0033] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A connector with an NTC thermistor, characterized in that: The device includes conductive terminals, an NTC thermistor, and a plastic housing. The conductive terminals are installed inside the plastic housing, and a mounting cover is provided at the end of the plastic housing. The NTC thermistor is horizontally mounted on the mounting cover. Terminal pins are connected to the conductive terminals, and the upper ends of the terminal pins protrude through the mounting cover. The terminal pins are located on one side of the NTC thermistor, and an insulating layer is provided between the NTC thermistor and the terminal pins.

2. A connector with an NTC thermistor according to claim 1, characterized in that: The NTC thermistor has an NTC pin at one end away from the terminal pin, and the end of the NTC pin extends out of the mounting cover.

3. A connector with an NTC thermistor according to claim 2, characterized in that: The inner end of the mounting cover is provided with a mounting groove, the NTC thermistor is installed in the mounting groove, and the insulating layer is provided at the end of the mounting groove near the terminal pin.

4. A connector with an NTC thermistor according to claim 3, characterized in that: A first mounting channel is provided on one side of the mounting slot, and the terminal pin is disposed in the first mounting channel. A second mounting channel is provided on the other side of the mounting slot, and the NTC pin is disposed in the second mounting channel.

5. A connector with an NTC thermistor according to claim 4, characterized in that: The terminal pin includes a rigid pin and a flexible braided wire. One end of the flexible braided wire is connected to the conductive terminal, and the other end of the flexible braided wire is connected to the rigid pin. The lower end of the rigid pin is installed in the first mounting channel.

6. A connector with an NTC thermistor according to claim 5, characterized in that: A limiting block is provided at the outer end of the first installation channel, and a snap-fit ​​protrusion is provided on the rigid pin, which snaps into the limiting block.

7. A connector with an NTC thermistor according to claim 1, characterized in that: The plastic shell has an installation cavity and a connecting limiting post at its end. The inner end of the installation cover has an installation groove. When the installation cover is inserted into the installation cavity, the connecting limiting post is inserted into the installation groove.

8. A connector with an NTC thermistor according to claim 1, characterized in that: The outer end of the mounting cover is provided with a limiting protrusion, which is used to engage with the PCB board.

9. A connector with an NTC thermistor according to claim 1, characterized in that: Both the plastic outer shell and the mounting cover are made of high-temperature resistant insulating material.

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