High-voltage interlocking device

A technology for high-voltage interlocking and high-voltage equipment, which is applied in measuring devices, instruments, measuring electricity and other directions, and can solve problems such as inability to quickly determine

Inactive Publication Date: 2021-07-30
SHANDONG TRANSPORT VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned prior art, the object of the present invention is to overcome the problem that the existing high-voltage interlock device cannot quickly judge after the high-voltage component wire harness is disconnected, and to provide a high-voltage interlock device that can accurately determine the specific disconnected high-voltage component wire harness

Method used

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0029] Such as figure 1 , the present invention provides a high-voltage interlock device, wherein the relay 1 (2) includes a normally closed switch 1 (3), a coil 1 (4), pin 1, pin 2, pin 3, pin 4, relay 2 (7) Including normally closed switch 2 (8), coil 2 (9), pin 5, pin 6, pin 7, pin 8, relay 3 (12) including normally closed switch 3 (13), coil 3 (14), Pin 9, Pin 10, Pin 11, Pin 12. Power supply Vcc (1) connects pin 1 and pin 2 to supply power to relay 1 (2), connects pin 5 and pin 6 to supply power to relay 2 (7), connects pin 9 and pin 10 to supply power to relay 3 (12). Connector 1 (5) is fixed on high-voltage equipment 1 (6), the upper end is connected t...

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Abstract

The invention discloses a high-voltage interlocking device. The high-voltage interlocking device comprises a power supply Vcc (1), a relay 1 (2), a normally closed switch 1 (3), a coil 1 (4), a connector 1 (5), high-voltage equipment 1 (6), a relay 2 (7), a normally closed switch 2 (8), a coil 2 (9), a connector 2 (10), high-voltage equipment 2 (11), a relay 3 (12), a normally closed switch 3 (13), a coil 3 (14), a connector 3 (15), high-voltage equipment 3 (16), a resistor R1 (17), a resistor R2 (18), a resistor R3 (19), a resistor R4 (20) and a control unit (21). The high-voltage interlocking device is used for wire harness connection detection of the high-voltage equipment of a new energy automobile, the wire harness connection state of any piece of high-voltage equipment can be accurately judged by monitoring the voltage change of a detection point, and automobile after-sales personnel are assisted in quickly judging a wire harness disconnection fault point and repairing the automobile.

Description

technical field [0001] The invention relates to the field of safety detection of new energy vehicles, in particular to a high-voltage interlock device. Background technique [0002] The high-voltage interlock device is a high-voltage wire harness connection detection device for new energy vehicles. In order to detect whether the high-voltage wire harness of new energy vehicles is connected normally and ensure driving safety, a high-voltage interlock device needs to be installed in new energy vehicles. However, after the high-voltage component wiring harness is broken, the current high-voltage interlock device can only detect whether the high-voltage wiring harness of the vehicle is connected, and cannot accurately determine the specific high-voltage component wiring harness that is broken, which is not conducive to after-sales maintenance of the car. [0003] Therefore, to provide a high-voltage interlock device that can accurately determine the disconnection of the wiring h...

Claims

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Application Information

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IPC IPC(8): G01R31/58G01R31/66
Inventor 刘本超鲍娜张力王树梁郭化超
Owner SHANDONG TRANSPORT VOCATIONAL COLLEGE
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