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High-voltage interlocking detection system

A high-voltage interlocking and detection system technology, applied in electric vehicles, electrical devices, circuits or fluid pipelines, etc., can solve the problem of not being able to detect high-voltage power plugs that are not plugged in properly, and achieve the effect of improving reliability and ensuring safety.

Pending Publication Date: 2019-07-05
HENAN SENYUAN HEAVY IND
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Problems solved by technology

[0007] The purpose of the present invention is to provide a high-voltage interlock detection system to solve the problem that the high-voltage interlock detection system in the prior art cannot detect that the high-voltage power supply plug-in of a certain component is not plugged in

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] Connect the connectors correspondingly to form a figure 1 The conventional vehicle high voltage power supply circuit diagram shown.

[0027] Wherein, the battery pack load connector includes a battery pack positive connector S2 and a battery pack negative connector S3. The positive load connector S2 of the battery pack is connected to the high voltage positive connector S11 through a cable, and the negative connector S3 of the battery pack is connected to the high voltage negative connector S12 through a cable.

[0028] The load connector includes a charger connector S7, a DC / DC connector S8, and a motor controller connector S9, which are respectively connected to the first power distribution connector S4, the second power distribution conn...

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Abstract

The invention relates to a high-voltage interlocking detection system which comprises a control detection unit and a first high-voltage interlocking detection loop connected with the control detectionunit. The first high-voltage interlocking detection loop is used for detecting whether the connection between a power distribution connector and a high-voltage distribution box is normal or not, andthe first high-voltage interlocking detection loop comprises an interlocking contact corresponding to the power distribution connector; the power distribution connector is connected with a load connector through a cable; a control device corresponding to a load is used for sampling an interlocking contact corresponding to the load connector in a connected load, and all control devices are in communication connection with the control detection unit. The system can be used for detecting high-voltage interlocking connectors which are about to work or in a working state under a vehicle power-on state or a vehicle charging state or a vehicle driving state, plugging failure of a plug-in of a certain part can be accurately judged, and thus corresponding processing logic or prompt can be conveniently and timely carried out when a vehicle breaks down according to detection results.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle safety control, and in particular relates to a high-voltage interlock detection system. Background technique [0002] With the rapid development of the economy, energy and environmental protection issues have become increasingly prominent, and countries around the world have begun to set their sights on energy-saving and environmentally friendly electric vehicles. [0003] Compared with traditional vehicles, electric vehicles have added high-voltage electrical equipment or power supply equipment such as motors, motor controllers, DC / DC, and high-voltage battery packs. Therefore, the hidden danger of high-voltage electric injury of electric vehicles is completely different from that of traditional vehicles. Its voltage as high as 300V and current that may reach tens or even hundreds of amperes may affect the safe use of electric vehicles at any time. Therefore, the high-voltage system of t...

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Application Information

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IPC IPC(8): B60L3/00B60R16/02
CPCB60L3/00B60R16/02
Inventor 陈西山常乐常东博汪世伟朱浩王建辉
Owner HENAN SENYUAN HEAVY IND
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