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Universal vehicle controller emc test load device

A vehicle controller and load device technology, applied in general control systems, control/regulation systems, electrical testing/monitoring, etc., can solve the problems of poor versatility and high cost, save costs, reduce shielding requirements, and reduce development. cost effect

Active Publication Date: 2021-11-19
威凯(深圳)检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In summary, the existing load devices have the problems of poor versatility and high cost

Method used

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  • Universal vehicle controller emc test load device
  • Universal vehicle controller emc test load device
  • Universal vehicle controller emc test load device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 It is a schematic diagram of the electromagnetic compatibility test scene of the vehicle controller. The test process is carried out in an anechoic chamber. The vehicle controller is connected to the load device through an adapter. The adapter is an independent component, which is composed of a wire harness and connectors at both ends connected by the wire harness, and the connectors at both ends are adapted to the connectors of the load device and the vehicle controller respectively. In this way, when the load device is faced with a vehicle controller that does not match the connector, the matching problem can be solved by customizing the corresponding adapter. Compared with re-developing the load device, this method is undoubtedly a preferred method.

[0043] The load device outputs an electrical signal through the CAN bus, converts it into an optical signal through the optical bridge, transmits it to the electric wave anechoic chamber through the optical f...

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Abstract

The invention discloses a universal vehicle controller EMC test load device. The invention summarizes the requirements of different project vehicle controllers for the load device, and sets a sufficient number of PWM, analog and switch output channels, and enough A large number of PWM, digital input sampling channels, flexible configuration of the input and output interfaces of the load device with a microcontroller, and the frequency and duty cycle of the output PWM value, the size of the output analog value, and the selection range of the output switch value (including high-resistance, high-level, and low-level three levels), and the load of the input switching value is a high-end drive load or a low-end drive load, so that after one-time development of the load device of the present invention, it can meet the requirements of more than 90% of the entire vehicle. The test requirements of the controller avoid repeated development, which can reduce the development time and cost of the vehicle controller, and help improve the development efficiency of the vehicle controller.

Description

technical field [0001] The invention relates to an EMC test load device for a whole vehicle controller. Background technique [0002] The new energy vehicle vehicle controller (Vehicle Control Unit, VCU) is the assembly controller of the new energy vehicle power system, which is different from the direct and simple control of the traditional automotive electronic control components. Various sensors, switch signals, bus signals and corresponding environmental conditions are comprehensively judged, and on this basis, the work of various electronic control components such as the engine, drive motor, gearbox, and power battery is coordinated to realize the economy, power, and Safety control and reduce emission pollution. [0003] At present, in order to meet the requirements of the electromagnetic compatibility performance regulations of the whole vehicle and improve the electromagnetic compatibility performance of the whole vehicle, the electronic control components of the veh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 张仕彬黄鲲邓俊泳
Owner 威凯(深圳)检测技术有限公司