USB AM connector with temperature detection function

By introducing a combination of NTC thermistors and voltage comparators into the USB AM connector, the problem of USB AM connector burnout due to short circuits or overheating is solved, realizing temperature detection and protection functions for automatic circuit disconnection, and improving the safety and reliability of the device.

CN223713238UActive Publication Date: 2025-12-23GUANGDONG LIENCHY ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422603556.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-12-23
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing USB AM connectors are prone to VBUS and GND short circuits when peripheral components are damaged, the environment is humid, the metal ages and deforms, or the pins are bent due to external pressure. This can lead to circuit board burnout or connector overheating and burnout. Furthermore, the device cannot detect the overheating condition in time, which may cause a fire.

Method used

A USB AM connector with temperature detection function was designed. It uses a combination of NTC thermistor and voltage comparator to control the current limiting IC to disconnect the circuit by detecting temperature changes, thereby realizing the automatic circuit disconnection function and avoiding overheating damage.

Benefits of technology

It implements temperature detection and automatic circuit disconnection functions for USB AM connectors, preventing circuit board and connector burnout and improving safety and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of connectors, and discloses a USB AM connector with a temperature detection function, which comprises an insulating plate, a metal protection assembly is arranged on the outer side of the insulating plate, a connecting assembly is arranged at the top of the insulating plate, and a temperature detection assembly is arranged on the right side of the connecting assembly. The right side of the temperature detection assembly is provided with a plugging assembly. The insulating plate and the connecting assembly are fixedly connected. The insulating plate and the temperature detection assembly are fixedly connected. The insulating plate and the plugging assembly are fixedly connected. The circuit temperature is detected through the NTC thermistor, and the voltage on the NTC thermistor is compared through the voltage comparator, so that the current-limiting IC is controlled not to work, the purpose of disconnecting the circuit is achieved, and the functions of temperature detection and automatic circuit disconnection of the connector are realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, concretely is a USB AM connector with temperature detection function. BACKGROUND

[0002] USB is the abbreviation of English Universal Serial BUS, and the Chinese abbreviation is "Tong Chuan line", it is an external bus standard, is used to standardize the connection and communication of computer and external equipment, is the interface technology applied in PC field, USB is put forward in 1994 late Intel, Compaq, IBM, Microsoft etc.

[0003] However, when the peripheral elements of USB AM connector are damaged, the environment is humid, the metal is deformed due to aging and external pressure causes pin bending, all can make the VBUS and GND of circuit board short circuit, if at this time, large current charging is carried out, the heat generated by the circuit board will directly lead to the burning of the circuit board, even if there is no short circuit, it will also cause the USB AM connector to heat and burn, when the heating problem occurs, the charging loop needs to be cut off in time, so that the above situation can be avoided, but when the USB AM connector overheats, the device end and power supply cannot directly detect the overheating state, until the terminal in the USB AM connector is burned or even on fire, need improvement, in view of this, we propose a USB AM connector with temperature detection function. SUMMARY

[0004] (I) the technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a USB AM connector with temperature detection function, solves the above-mentioned when the peripheral elements of USB AM connector are damaged, the environment is humid, the metal is deformed due to aging and external pressure causes pin bending, all can make the VBUS and GND of circuit board short circuit, if at this time, large current charging is carried out, the heat generated by the circuit board will directly lead to the burning of the circuit board, even if there is no short circuit, it will also cause the USB AM connector to heat and burn, when the heating problem occurs, the charging loop needs to be cut off in time, so that the above situation can be avoided, but when the USB AM connector overheats, the device end and power supply cannot directly detect the overheating state, until the terminal in the USB AM connector is burned or even on fire.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A USB AM connector with temperature detection function, including insulating plate, the outside of insulating plate is equipped with metal protection assembly, the top of insulating plate is equipped with connecting assembly, the right side of connecting assembly is equipped with temperature detection assembly, the right side of temperature detection assembly is equipped with plug-in assembly, between insulating plate and connecting assembly, insulating plate and connecting assembly, between insulating plate and temperature detection assembly, between insulating plate and plug-in assembly fixedly connected.

[0009] Preferably, the metal protection assembly includes a front metal shell, a rear metal shell, a right side protection shell, a positioning groove, and a positioning boss. The bottom surface of the insulating plate is provided with the front metal shell, the rear metal shell, and the right side protection shell. The right side of the front metal shell and the rear metal shell is provided with the right side protection shell. The rear of the front metal shell is provided with the positioning boss. The front of the rear metal shell is provided with the positioning groove. The inner side of the positioning boss is provided with the positioning groove. The rear of the front metal shell is provided with the rear metal shell. The insulating plate is fixedly connected with the front metal shell, the rear metal shell, the right side protection shell, the front metal shell, the rear metal shell, and the right side protection shell.

[0010] Preferably, the connecting assembly includes a control current limiting IC, a connecting pin two, and a buckle. The top surface of the insulating plate is provided with the buckle. The top surface of the insulating plate is provided with the control current limiting IC. The left side of the control current limiting IC is provided with the connecting pin two. The right side of the buckle is provided with a connecting hole. The inner side of the connecting hole is provided with the connecting pin two. The insulating plate is fixedly connected with the buckle, the control current limiting IC, and the buckle.

[0011] Preferably, the temperature detection assembly includes an NTC thermistor, a pin, a voltage comparator, and a connecting head. The top surface of the insulating plate is provided with the NTC thermistor and the voltage comparator. The rear of the NTC thermistor is provided with the pin. The rear of the voltage comparator is provided with the connecting head. The front of the voltage comparator is provided with a connecting square groove. The right side of the voltage comparator is provided with a connecting plug station. The front of the control current limiting IC is provided with the voltage comparator. The front of the voltage comparator is provided with the NTC thermistor. The inner side of the connecting square groove is provided with the pin. The insulating plate is fixedly connected with the voltage comparator, the NTC thermistor, the control current limiting IC, and the voltage comparator.

[0012] Preferably, the plug-in assembly comprises a connecting pin, a plug-in row and a connecting slot, the top surface of the insulating plate is provided with the plug-in row, the right side of the plug-in row is provided with the connecting pin, the left side of the plug-in row is provided with the connecting slot, the inner side of the connecting slot is provided with a connecting plug, and the insulating plate, the plug-in row and the connecting pin are fixedly connected.

[0013] Preferably, the top surface of the connecting assembly, the temperature detection assembly and the plug-in assembly is provided with an internal protection top plate, and the connecting assembly, the temperature detection assembly and the plug-in assembly are fixedly connected with the internal protection top plate.

[0014] (III) beneficial effects

[0015] Compared with the prior art, the USB AM connector with temperature detection function has the advantages that:

[0016] The USB AM connector with temperature detection function has the following beneficial effects:

[0017] The NTC thermistor detects the temperature of a circuit, and the voltage comparator compares the voltage on the NTC thermistor, so that the current limiting IC is controlled to be inoperable, thereby achieving the purpose of disconnecting the circuit and realizing the functions of temperature detection and automatic disconnection of the connector itself. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is an overall structure split schematic view of the utility model;

[0020] Figure 3 It is an overall structure overhead sectional view schematic view of the utility model;

[0021] Figure 4 It is an overall structure front view schematic view of the utility model.

[0022] In the drawing: 1, front metal shell; 2, rear metal shell; 3, internal protection top plate; 4, right side protection shell; 5, connecting pin one; 6, plug-in row; 7, positioning groove; 8, control current limiting IC; 9, connecting pin two; 10, buckle; 11, insulating plate; 12, positioning boss; 13, NTC thermistor; 14, pin; 15, voltage comparator; 16, connecting head; 17, connecting slot. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides a technical scheme;

[0025] The USB AM connector with temperature detection function comprises an insulating plate 11, a metal protection assembly is arranged on the outer side of the insulating plate 11, a connecting assembly is arranged on the top of the insulating plate 11, a temperature detection assembly is arranged on the right side of the connecting assembly, a plug-in assembly is arranged on the right side of the temperature detection assembly, and the insulating plate 11 is fixedly connected with the connecting assembly, the connecting assembly and the temperature detection assembly, and the connecting assembly and the plug-in assembly.

[0026] The metal protection assembly comprises a front metal shell 1, a rear metal shell 2, a right side protection shell 4, a positioning groove 7 and a positioning boss 12, the bottom surface of the insulating plate 11 is provided with the front metal shell 1, the rear metal shell 2 and the right side protection shell 4, the right side of the front metal shell 1 and the rear metal shell 2 is provided with the right side protection shell 4, the rear part of the front metal shell 1 is provided with the positioning boss 12, the front part of the rear metal shell 2 is provided with the positioning groove 7, the inner side of the positioning boss 12 is provided with the positioning groove 7, the rear part of the front metal shell 1 is provided with the rear metal shell 2, and the insulating plate 11, the front metal shell 1, the rear metal shell 2 and the right side protection shell 4, the front metal shell 1 and the rear metal shell 2, and the front metal shell 1, the rear metal shell 2 and the right side protection shell 4 are fixedly connected.

[0027] The connecting assembly comprises a control current limiting IC 8, a connecting pin 9 and a buckle 10, the top surface of the insulating plate 11 is provided with the buckle 10, the top surface of the insulating plate 11 is provided with the control current limiting IC 8, the left side of the control current limiting IC 8 is provided with the connecting pin 9, the right side of the buckle 10 is provided with a connecting hole, the inner side of the connecting hole is provided with the connecting pin 9, and the insulating plate 11, the control current limiting IC 8 and the buckle 10 are fixedly connected, and the connector and the equipment end are connected through the connecting assembly.

[0028] The temperature detection assembly comprises an NTC thermistor 13, a pin 14, a voltage comparator 15, a connecting head 16, the top surface of the insulating plate 11 is provided with the NTC thermistor 13 and the voltage comparator 15, the rear part of the NTC thermistor 13 is provided with the pin 14, the rear part of the voltage comparator 15 is provided with the connecting head 16, the front part of the voltage comparator 15 is provided with a connecting square groove, the right side of the voltage comparator 15 is provided with a connecting plug station, the front part of the control current limiting IC 8 is provided with the voltage comparator 15, the front part of the voltage comparator 15 is provided with the NTC thermistor 13, the inside of the connecting square groove is provided with the pin 14, the insulating plate 11 and the voltage comparator 15, the insulating plate 11 and the NTC thermistor 13, the control current limiting IC 8 and the voltage comparator 15, and the voltage comparator 15 and the NTC thermistor 13 are fixedly connected, and the temperature detection assembly realizes the function of automatically disconnecting the circuit when the temperature is too high.

[0029] The plug-in assembly comprises a connecting pin 1 5, a plug-in row 6 and a connecting groove 17, the top surface of the insulating plate 11 is provided with the plug-in row 6, the right side of the plug-in row 6 is provided with the connecting pin 1 5, the left side of the plug-in row 6 is provided with the connecting groove 17, the inside of the connecting groove 17 is provided with a connecting plug station, the insulating plate 11 and the plug-in row 6, the plug-in row 6 and the connecting pin 1 5, and the plug-in row 6 and the voltage comparator 15 are fixedly connected, and the plug-in assembly realizes the communication between the connector and the charging end.

[0030] The top surface of the connecting assembly, the temperature detection assembly and the plug-in assembly is provided with an internal protection top plate 3, and the connecting assembly, the temperature detection assembly and the plug-in assembly are fixedly connected with the internal protection top plate 3.

[0031] Working principle: when the utility model needs to be used, the connection between the connecting pin 1 5 and the buckle 10 completes the connection between the equipment end and the power end, the cooperation between the control current limiting IC 8, the NTC thermistor 13 and the voltage comparator 15 completes the detection of the temperature, when the temperature rises, the detection of the NTC thermistor 13 is fed back to the voltage comparator 15 through voltage change, and the cooperation between the control current limiting IC 8, the NTC thermistor 13 and the voltage comparator 15 is realized through the action of the voltage comparator 15, so that the high-temperature disconnecting circuit backflow is realized.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A USB AM connector with temperature detection function, comprising an insulating plate (11), characterized in that: The outer side of the insulating plate (11) is provided with a metal protection assembly, the top of the insulating plate (11) is provided with a connecting assembly, the right side of the connecting assembly is provided with a temperature detection assembly, the right side of the temperature detection assembly is provided with a plug-in assembly, and the insulating plate (11) and the connecting assembly, the insulating plate (11) and the connecting assembly, the insulating plate (11) and the temperature detection assembly, and the insulating plate (11) and the plug-in assembly are fixedly connected.

2. The USB AM connector with temperature detection function according to claim 1, characterized in that: The metal protection assembly comprises a front metal shell (1), a rear metal shell (2), a right side protection shell (4), a positioning groove (7) and a positioning boss (12), the bottom surface of the insulating plate (11) is provided with the front metal shell (1), the rear metal shell (2) and the right side protection shell (4), the right side of the front metal shell (1) and the rear metal shell (2) is provided with the right side protection shell (4), the rear portion of the front metal shell (1) is provided with the positioning boss (12), the front portion of the rear metal shell (2) is provided with the positioning groove (7), the inner side of the positioning boss (12) is provided with the positioning groove (7), the rear portion of the front metal shell (1) is provided with the rear metal shell (2), and the insulating plate (11), the front metal shell (1), the rear metal shell (2) and the right side protection shell (4), the front metal shell (1) and the rear metal shell (2), and the front metal shell (1) and the rear metal shell (2) and the right side protection shell (4) are fixedly connected.

3. The USB AM connector with temperature detection function according to claim 1, characterized in that: The connecting assembly comprises a control current limiting IC (8), a connecting pin two (9) and a buckle (10), the top surface of the insulating plate (11) is provided with the buckle (10), the top surface of the insulating plate (11) is provided with the control current limiting IC (8), the left side of the control current limiting IC (8) is provided with the connecting pin two (9), the right side of the buckle (10) is provided with a connecting hole, the inner side of the connecting hole is provided with the connecting pin two (9), and the insulating plate (11), the buckle (10), the insulating plate (11) and the control current limiting IC (8), and the control current limiting IC (8) and the buckle (10) are fixedly connected.

4. The USB AM connector with temperature detection function according to claim 3, characterized in that: The temperature detection component includes an NTC thermistor (13), a pin (14), a voltage comparator (15) and a connecting head (16), the top surface of the insulating plate (11) is provided with the NTC thermistor (13) and the voltage comparator (15), the rear part of the NTC thermistor (13) is provided with the pin (14), the rear part of the voltage comparator (15) is provided with the connecting head (16), the front part of the voltage comparator (15) is provided with a connecting square groove, the right side of the voltage comparator (15) is provided with a connecting plug station, the front part of the control current limiting IC (8) is provided with the voltage comparator (15), the front part of the voltage comparator (15) is provided with the NTC thermistor (13), the inside of the connecting square groove is provided with the pin (14), and the insulating plate (11), the voltage comparator (15), the NTC thermistor (13), the control current limiting IC (8) and the voltage comparator (15) and the NTC thermistor (13) are fixedly connected.

5. The USB AM connector with temperature detection function according to claim 1, characterized in that: The plug-in component includes a connecting pin (5), a plug-in row (6) and a connecting groove (17), the top surface of the insulating plate (11) is provided with the plug-in row (6), the right side of the plug-in row (6) is provided with the connecting pin (5), the left side of the plug-in row (6) is provided with the connecting groove (17), the inside of the connecting groove (17) is provided with a connecting plug station, and the insulating plate (11), the plug-in row (6), the connecting pin (5) and the voltage comparator (15) are fixedly connected.

6. The USB AM connector with temperature detection function according to claim 2, characterized in that: The top surfaces of the connecting component, the temperature detection component and the plug-in component are provided with an internal protection top plate (3), and the connecting component, the temperature detection component, the plug-in component and the internal protection top plate (3) are fixedly connected.