CN205752811U - Temperature detection device for electric vehicle charging socket - Google Patents

Abstract

The utility model discloses the temperature-detecting device of a kind of charging electric vehicle socket, including socket and temperature-detecting device, temperature-detecting device is arranged in socket, temperature-detecting device is connected with single-chip microcomputer by sensor signal lines, and temperature-detecting device is arranged on socket in the groove of borehole jack metallic conduction Duan Duan；Temperature-detecting device is pasted onto on power line or the holding wire of socket, insulating heat-conductive pad it is provided with between temperature-detecting device and power line or holding wire, the opening of groove is arranged on the homonymy of socket with the borehole jack metallic conduction section on socket, temperature-detecting device is connected by base and sensor signal lines and power line or holding wire, and temperature-detecting device is arranged in groove by base, this utility model utilizes the transport properties of heat, by temperature sensor, the many places of temperature are detected, ensure the precision of detection, temperature sensor to damaging simultaneously has replacing function, and AC and DC detection function, improve the service life of socket, the safety of real-time ensuring charging.

Description

Temperature detection device for electric vehicle charging socket

Technical field:

The utility model relates to a temperature detection device, in particular to a temperature detection device for a charging socket of an electric vehicle.

Background technique:

With the adjustment of the national industrial policy, the development of electric vehicles is showing a gradual upward trend. With the implementation of the national standard GB/T18487.1-2015 for the conductive charging system of electric vehicles, it will definitely play a positive role in the standardization of charging interfaces. effect. The standard stipulates that the charging interface must have a temperature detection device to prevent damage or fire caused by the temperature rise of the plug and socket during charging. Currently, the charging plug and socket on the market do not have a temperature detection device, which will bring hidden dangers to the application. The invention provides a simple and safe on-line measuring device for temperature detection, which will effectively promote the technological development and progress of the industry.

Utility model content:

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art, to provide a simple structure, using the heat conduction characteristics, through the temperature sensor to detect the temperature in multiple places, to ensure the accuracy of the detection, and at the same time to protect the damaged temperature sensor Temperature detection device for electric vehicle charging socket with replacement function.

The technical solution of the utility model is: a temperature detection device for a charging socket of an electric vehicle, including a socket and a temperature detection device, the temperature detection device is arranged in the socket, and the temperature detection device is connected to a single-chip microcomputer through a sensor signal line. The temperature detection device is set in the groove at the end of the metal conductive section of the hole sleeve on the socket; the temperature detection device is pasted on the power line or signal line of the socket, and an insulation is provided between the temperature detection device and the power line or signal line. The heat conduction pad, the opening end of the groove and the metal conductive section of the hole sleeve on the socket are arranged on the same side of the socket, and the metal conductive section of the hole sleeve in contact with the socket is provided with a plastic insulation section of the hole sleeve, and the temperature detection device passes The base is connected with the sensor signal line and the power line or signal line, and the temperature detection device is arranged in the groove through the base.

The base is arranged on the power line or the signal line close to the socket, the temperature detection device is a temperature sensor, the single-chip microcomputer is connected with the charging control system, and the temperature detection device indicator light is arranged on the socket.

The sensor signal line, the power line and the signal line are wrapped together by a plastic insulating tube, and a shielding layer is arranged between the sensor signal line, the signal line and the power line.

The beneficial effects of the utility model are:

1. The utility model utilizes the heat conduction characteristics to ensure the accuracy of the detection through multiple detections of the temperature by the temperature sensor. At the same time, it has the function of replacing the damaged temperature sensor and the detection function of AC and DC, so as to improve the service life of the socket, real-time Ensure the safety of charging.

2. The temperature detection device of the utility model is connected with the sensor signal line and the power line or signal line through the base, and the base is set in the groove, so that the movable installation of the temperature detection device is realized, and it is convenient for people to replace the damaged temperature detection device , Extend the service life of the socket.

3. The utility model is equipped with an indicator light of the temperature detection device to realize the real-time detection of the normal operation of the temperature detection device, which is convenient for people to replace the temperature detection device.

4. The utility model is equipped with two temperature monitoring points, and processes the detected temperature information through a single-chip microcomputer, while improving the detection accuracy, it also prevents the failure of the temperature detection device during use and causes charging accidents due to no temperature detection happened.

5. The temperature detection device of the utility model is set on the power line or signal line through the base and the insulating heat conduction pad to prevent the occurrence of breakdown of the temperature detection device. A shielding layer is provided between the sensor signal line and the signal line and the power line. Prevent electromagnetic interference generated by power lines from interfering with signal lines and sensor signal lines.

6. The temperature detection device of the utility model is set in the groove on the socket, and the metal conductive section of the hole sleeve in contact with the socket is provided with a plastic insulation section of the hole sleeve to prevent the breakdown of the temperature detection device under high pressure.

Description of drawings:

FIG. 1 is a schematic structural diagram of a temperature detection device for a charging socket of an electric vehicle.

Fig. 2 is another structural schematic diagram of the temperature detecting device of the electric vehicle charging socket.

detailed description:

Embodiment: See Figure 1 and Figure 2, in the figure, 1-socket, 2-temperature detection device, 3-single-chip microcomputer, 4-hole sleeve metal conductive section, 5-groove, 6-power line, 7-insulated thermal pad , 8-hole set of plastic insulation section.

The temperature detection device of the electric vehicle charging socket includes a socket 1 and a temperature detection device 2, the temperature detection device 2 is arranged in the socket 1, the temperature detection device 2 is connected with the single chip microcomputer 3 through the sensor signal line, and the temperature detection device 2 is arranged on the socket 1 In the groove 5 at the 4 ends of the metal conductive section of the hole sleeve; the temperature detection device 2 is pasted on the power line 6 or the signal line of the socket 1, and an insulating heat conduction pad 7 is arranged between the temperature detection device 2 and the power line 6 or the signal line, and the concave The open end of the groove 5 and the hole metal conductive section 4 on the socket 1 are set on the same side of the socket 1, and the hole metal conductive section 4 in contact with the socket 1 is provided with a hole plastic insulating section 8, and the temperature detection device 2 passes through The base is connected with the sensor signal line and the power line or signal line, and the temperature detection device 2 is arranged in the groove 5 through the base.

The base is arranged on the power line or the signal line close to the socket 1, the temperature detection device 2 is a temperature sensor, the single-chip microcomputer 3 is connected with the charging control system, and the temperature detection device indicator light is arranged on the socket 1.

The sensor signal line and the power line 6 and the signal line are all wrapped together by a plastic insulating tube, and a shielding layer is arranged between the sensor signal line and the signal line and the power line.

During use, after people connect the socket 1, charge it, the temperature detection device 2 works normally, and the temperature detection device 2 transmits the detected temperature data to the single-chip microcomputer 3, and the single-chip microcomputer 3 processes the temperature data, and is set in advance. When the detected temperature value is greater than the set temperature value, the size of the charging current is changed through the single chip microcomputer 3. When the indicator light of the temperature detection device is on, it means that the temperature detection device is working normally. When the indicator light of the temperature detection device is not on , indicating that the corresponding temperature detection device 2 has been damaged, and people take down the damaged temperature detection device 2 and install a normal temperature detection device 2.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (3)

1. A temperature detection device for an electric vehicle charging socket, comprising a socket and a temperature detection device, the temperature detection device is arranged in the socket, and the temperature detection device is connected with a single-chip microcomputer through a sensor signal line, it is characterized in that: the temperature The detection device is set in the groove at the end of the metal conductive section of the hole sleeve on the socket; the temperature detection device is pasted on the power line or signal line of the socket, and an insulating heat conduction pad is arranged between the temperature detection device and the power line or signal line , the opening end of the groove is set on the same side as the metal conductive section of the hole socket on the socket, and a plastic insulation section of the hole socket is arranged on the metal conductive section of the hole socket in contact with the socket, and the temperature detection device passes through the base and The sensor signal line is connected to the power line or the signal line, and the temperature detection device is arranged in the groove through the base. 2. The temperature detection device of the electric vehicle charging socket according to claim 1, characterized in that: the base is arranged on the power line or signal line close to the socket, the temperature detection device is a temperature sensor, and the single-chip microcomputer and The charging control system is connected, and an indicator light of a temperature detection device is arranged on the socket. 3. The temperature detecting device of the electric vehicle charging socket according to claim 1, characterized in that: the sensor signal line, the power line and the signal line are all wrapped together by a plastic insulating tube, and the sensor signal line and the signal line There is a shielding layer between it and the power line.