Electromagnetic interference control device for vehicle-mounted generator control system

A technology of electromagnetic interference control and on-board generator, which is applied in the direction of electromechanical devices, output power conversion devices, and control of generators through magnetic field changes. Achieve good ventilation and heat dissipation design, eliminate the influence of vehicle-mounted short-wave communication, and avoid hidden dangers
CN101764565AActive Publication Date: 2010-06-30BEIJING ZHONGSHI ZHENGQI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING ZHONGSHI ZHENGQI TECH CO LTD
Publication Date
2010-06-30

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Abstract

The invention discloses an electromagnetic interference control device for a vehicle-mounted generator control system, which is characterized by comprising at least one filter, a base and an anti-magnetic shielding cover, wherein the at least filter is selected from the following filters: a three-phase input filter which is connected between a generator and a generator controller, a RS232 signal filter which is connected between the generator controller and a control panel, a one-way output filter which is connected between the generator controller and a vehicle-mounted power source, a direct-current input filter which is connected between the generator controller and a vehicle jar, and an excitation output filter which is connected between the generator controller and the generator; the base is used for placing the filter and the generator controller; and the anti-magnetic shielding cover is covered on the base. The invention can solve the interference problem simultaneously in two ways of radiation and filtration without changing original generator control input / output signals or increasing engine loads, thereby eliminating the influence of the vehicle-mounted generator system on vehicle-mounted short-wave communication.
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Description

technical field

[0001] The invention relates to the field of vehicle-mounted generators, in particular to an electromagnetic interference control device used in a vehicle-mounted generator control system. Background technique

[0002] Electromagnetic interference (EMI) specifically refers to a harmful interference phenomenon that exists between electronic devices in the form of electromagnetic energy and may have a negative impact on the normal operation of electronic devices. Electromagnetic interference (EMI) can transmit interference in the form of conduction through the connection between devices. This kind of interference is called EMI conducted electromagnetic interference; or through the shared space between devices, it can spread interference in the form of electromagnetic wave radiation. This kind of interference is called EMI radiated electromagnetic interference.

[0003] The frequency range of EMI electromagnetic interference is very wide. According to the actua...

Claims

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