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High-voltage power distribution device and method

A technology of high-voltage power distribution and resistance, which is applied in the direction of electrical equipment, electric vehicles, transportation and packaging, etc. The role of breaking and other problems, to reduce the effect of the probability of adhesion

Pending Publication Date: 2019-03-22
SHENZHEN PINCHUAN ENERGY ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above existing technical solutions have the following defects: when the contacts of the relay or contactor are closed, the voltage difference between the contact and the circuit is relatively large at this time, so that arcs are easily generated at the contacts, and the relay or contactor is closed. Long-term use in this situation may easily cause contact adhesion, causing the relay or contactor to lose its original function of controlling on-off.

Method used

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  • High-voltage power distribution device and method
  • High-voltage power distribution device and method

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Embodiment Construction

[0058] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0059] refer to figure 1 with figure 2 , is a high-voltage power distribution device disclosed in the present invention, comprising a main positive on-off component 1 connected to the positive pole of the power supply, a main negative on-off component 2 connected to the negative pole of the power supply and the equipment on both ends, and the two ends are respectively connected to the main positive The group control component 3 that disconnects component 1 and equipment connection. The main positive on-off assembly 1 includes a main positive contactor 11, a positive switch 12 and a resistor R1. The main positive contactor 11 is a relay, the positive switch 12 is an N-channel IGBT, and the resistor R1 is a cement ceramic resistor. The positive contact of the main positive contactor 11 is electrically connected to the power supply, the collector of the posit...

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Abstract

The invention relates to the field of vehicle power distribution, and discloses a high-voltage power distribution device and method. The device comprises a main positive on-off assembly connected to apower supply positive electrode, a main negative on-off assembly with the two ends connected to a power supply negative electrode and the device respectively, and a grouping control assembly with thetwo ends connected with the main positive on-off assembly and the device respectively. The main positive on-off assembly comprises a main positive contact electrically connected to a power supply, apositive on-off device connected to the main positive contact in parallel, and a resistor R1 connected to the on-off device in series. The end, away from the on-off device, of the resistor R1 is electrically connected with a negative electrode of the main positive contact. The method includes the steps of detecting the working state of the main negative contact, attracting the main negative contact, attracting the positive on-off device, detecting the voltage of the main positive contact, detecting the working state of the main positive contact, attracting the main positive contact, cutting off the positive on-off device, determining the power distribution mode, cutting off a load, cutting off the main positive contact, and cutting off the main negative contact. The contact attaching is reduced.

Description

technical field [0001] The invention relates to the technical field of automobile power distribution, in particular to a high-voltage power distribution device and a method thereof. Background technique [0002] At present, an electric vehicle refers to a vehicle powered by a vehicle-mounted power battery and driven by a motor to drive the wheels. The power battery provides electric energy for the driving motor of the electric vehicle, and the electric motor converts the electric energy of the power battery into mechanical energy, and drives the wheels and working devices through the transmission or directly. In an electric vehicle, there are far more electrical devices than in conventional vehicles. Therefore, in addition to the low-voltage control system, there is also a high-voltage transmission system in the vehicle. The operating voltage of many devices in electric vehicles is as high as hundreds of volts, and the current is as high as tens to hundreds of amperes. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00
CPCB60L3/00
Inventor 朱红锋景育王文蕊
Owner SHENZHEN PINCHUAN ENERGY ELECTRIC CO LTD
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