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Multi-layer integrated power control unit

A technology that integrates power and control units. It is used in control drives, electric vehicles, cooling/ventilation/heating renovations, etc. It can solve the problems of low integration, long high-voltage wiring harnesses, and high costs, reducing costs, reducing difficulty, and improving The effect of service life

Inactive Publication Date: 2018-01-30
北京华田汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both are made of aluminum alloy die-casting, with poor toughness, low hardness, easy deformation by impact, and high cost
And the integration level is not high, so there is a long high-voltage wire harness from the power control unit to the electrical box

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] See attached picture.

[0028] Option One:

[0029] The multi-layer integrated power control unit is composed of traditional parts such as the PCU upper cover (2), the PCU box (5), and the PCU bottom cover (6). The interior adopts a layered structure, the first layer structure of PCU (13) integrates the drive motor controller MCU (10); the second layer structure of PCU integrates DCDC (21), on-board charger OBC (18), and accessory motor controller IMCU (17) (may include oil pump motor controller, air pump motor controller); PCU third layer structure integrates power configuration unit (23), battery management system BMS (19) (may include vehicle controller VMS), slow charging Charging port (9a), fast charging port (9b).

[0030] The detachable cooling water bag (16) is fixed by four water bag brackets (22), the two sides of the bracket are welded to the inner wall of the PCU box (5), and the upper and lower sides are respectively screwed to the cooling water bag (16) ...

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Abstract

The invention discloses a multi-layer integrated power control unit (Power Control Unit, abbreviated as PCU hereinafter). The PCU comprises a shell, a water cooling package, Z-shaped depression bars,a power configuration unit PDU, a direct current charging port, an alternating current charging port, a vehicle-mounted battery charger OBC, a DC / DC, a driving motor controller MCU, a steering motor controller SMCU, a braking motor controller BMCU, a battery management system BMS, a vehicle controller VMS and other electric power, electronic engineering and electric components. The multi-layer integrated PCU adopts a steel plate structure cavity, is large in strength, high in ductility, and good in sealing; the aluminum alloy water cooling package is arranged internally, the PCU is good in thermal performance and easy to manufacture; a multi-layer structure is adopted by the interior of a cavity to integrate the electric power, electronic engineering and electric components, the PCU is high in integration, and the space of vehicle layout is optimized; the Z-shaped depression bars are adopted by upper and lower covers of a cavity body, the sealing pressure is uniform, and the PCU is good in sealing.

Description

technical field [0001] The present invention relates to the technical field of electric vehicles, in particular to a multi-layer integrated power control unit (Power Control Unit hereinafter referred to as "PCU"). Background technique [0002] Due to the massive consumption of non-renewable energy such as oil and natural gas, all countries are facing problems such as energy shortage, environmental pollution, and deterioration of living environment. Therefore, countries are paying more and more attention to cleanliness and pollution-free. Pure electric vehicles that can achieve zero emissions. At the same time, huge manpower and financial resources have been invested in pure electric vehicles. [0003] However, the electrical structure of pure electric vehicles is complex, there are many components, and the structural size of the battery pack is relatively large. At the same time, the high and low voltage wiring harness is cumbersome, resulting in insufficient space for the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L15/00H05K7/20
Inventor 贺林杨泽魏宇江延浩李德鑫
Owner 北京华田汽车科技有限公司
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