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An integrated box for high-voltage power distribution and DC/DC of electric vehicles

A high-voltage power distribution, electric vehicle technology, applied in electric vehicle charging technology, cooling/ventilation of substation/switchgear, substation/switch layout details, etc., can solve problems such as poor EMC performance, poor anti-interference ability, and single function , to achieve the effect of high protection level, improved overall sealing, and clear overall structure

Inactive Publication Date: 2019-01-18
深圳市清友能源技术有限公司
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  • Application Information

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Problems solved by technology

[0005] Aiming at the defects of the prior art, the purpose of the present invention is to provide an integrated box for high-voltage power distribution and DC / DC of electric vehicles, aiming to solve the problems of single function, poor safety, poor EMC performance and The problem of poor anti-interference ability

Method used

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  • An integrated box for high-voltage power distribution and DC/DC of electric vehicles

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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. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] figure 1 It shows the structure of the electrical control system of pure electric vehicles; the overall layout of electric vehicles is more flexible. From the perspective of electrical control, in the overall layout of the vehicle, the wires from the power supply to the controller and then to the direct high-current loop of the motor should be connected as much as possible. It may be short to reduce the voltage loss of the circuit and ensure the power and mileage requirements of the car. The high-voltage distribution box is a reasonable and safe distribution control for the high voltage of ...

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Abstract

The invention discloses an integrated box for high-voltage power distribution and DC / DC of an electric vehicle, including a box body, a box cover, a DC / DC, a BMS host, a high-voltage box, a relay arranged in the box, and a High-voltage connectors; relays include accessory relays connected to oil pump controllers, air-conditioning compressors, car chargers and heaters, general positive relays connected to host connectors, and charging relays connected to fast-charging connectors. High-voltage connectors include Air conditioner connectors, car charger connectors, stand charger connectors, communication connectors, oil pump controller connectors, motor controller connectors and air conditioner connectors. In the present invention, an insulating resin plate is used to isolate the inner edge of the box body from the box wall, so as to provide insulation protection for leakage and fire prevention. And the high-voltage wiring and low-voltage wiring must be layered, and the distance is greater than the creepage distance, and the main circuit in the high-voltage box is connected by copper bars. In addition, the low-voltage wires are routed on the box wall, and the low-voltage wires pass through the wire grooves, which are clearly adjusted and the overall structure is clear.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, and more specifically relates to an integrated box for high-voltage power distribution and DC / DC of electric vehicles. Background technique [0002] In recent years, my country's air pollution situation cannot be ignored, and energy and environmental problems have become increasingly serious. Events such as the photochemical smog in Los Angeles, the world oil crisis, the turmoil in the Middle East, and Beijing's hazy weather have put forward urgent requirements for environmental protection and ensuring national oil security. It has promoted the advancement of automobile technology worldwide and accelerated the construction of an electric vehicle society. The development and promotion of pure electric vehicles has attracted more and more attention. New energy buses or delivery trucks have obvious development advantages, and are currently strongly guided and supported by the government, wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/20H02B1/56H02B1/46
CPCH02B1/20H02B1/202H02B1/46H02B1/565Y04S30/12Y02T90/167
Inventor 朱靖
Owner 深圳市清友能源技术有限公司
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