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Device for automatically testing continuity of high-voltage connector of electromobile high-voltage control box

A technology of automatic test device and high-voltage control box, which is applied in the direction of measuring device, measuring electricity, measuring electrical variables, etc. The effect of consumption demand

Inactive Publication Date: 2015-04-15
BEIJING ELECTRIC VEHICLE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its disadvantages are high cost, high bit error rate, and slow response.

Method used

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  • Device for automatically testing continuity of high-voltage connector of electromobile high-voltage control box
  • Device for automatically testing continuity of high-voltage connector of electromobile high-voltage control box
  • Device for automatically testing continuity of high-voltage connector of electromobile high-voltage control box

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Embodiment Construction

[0027] The invention relates to an automatic testing device for the continuity of a high-voltage connector of a high-voltage control box of an electric vehicle.

[0028] The internal structure and connectors of the high-voltage control box are as follows: figure 1 shown. The high-voltage control box in the picture has 5 high-voltage connectors and 1 low-voltage connector. It is a commercially available product, and the continuity of the high-voltage connector must be tested after arrival. The dotted box in the figure shows the internal structure of the high-voltage control box, which includes a PTC controller (abbreviation for Positive Temperature Coefficient of electric heater controller, positive temperature coefficient) and three relays: relays S1, S2 and S3, and Four fuses: Fu1, Fu2, Fu3 and Fu4, also includes wiring harness for internal connections.

[0029] The test device includes a transfer harness, a relay matrix, an acquisition circuit, a single-chip microcomputer,...

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Abstract

The invention belongs to a device for automatically testing continuity of a high-voltage connector of an electromobile high-voltage control box. The device comprises a through-connection wire harness, a relay matrix, a collection circuit, a single chip microcomputer, a testing button, an LCD (liquid crystal display) and a power source circuit. During testing, after a connector of the through-connection wire harness is accurately connected with the connector of the high-voltage control box to be tested and a power source works, testing can be performed by only pressing the testing button down. Connecting wire harness continuity testing in the high-voltage control box includes anode connecting wire harness continuity testing and cathode connecting wire harness continuity testing. All relays in the device are PhotoMOS relays, so that testing speed is increased greatly. The device can judge continuity conditions of the high-voltage connector of the high-voltage box quickly, accurately and truly and has the advantage of high universality, and the problem of difficulty in continuity testing of the high-voltage connector of the high-voltage control box is solved successfully. The whole device is simple in design, high in performance reliability, few in electronic device, low in cost and high in practicability.

Description

technical field [0001] The invention belongs to a detection device for automobile equipment, in particular to an automatic test device for the continuity of a high-voltage connector of a high-voltage control box of an electric vehicle. Background technique [0002] Electric vehicle high-voltage control box is an important component of electric vehicles as a power distribution and protection device for power batteries. Since the high-voltage control box is equipped with relays and fuses, and there are many power distribution harnesses, it is necessary to detect whether there are problems or hidden dangers in the electrical connection in the high-voltage control box. [0003] Before the high-voltage control box products are put into storage, the continuity test of each high-voltage connector should be carried out. Due to the large number of pins and complicated definitions, for the inspectors, a multimeter test is used, which leads to a long test period and requires familiarit...

Claims

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Application Information

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IPC IPC(8): G01R31/02
Inventor 李兴华高新杰白健张弛尹文龙
Owner BEIJING ELECTRIC VEHICLE
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