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Interference signal filtering device, automobile and interference signal filtering method thereof

A technology of interference signal and filtering, applied in electric vehicles, interference to communication, vehicle components, etc., can solve problems affecting the control reliability of electronic control units

Active Publication Date: 2021-03-26
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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Problems solved by technology

[0004] The object of the present invention is to provide an interference signal filtering device, an automobile and an interference signal filtering method thereof, so as to solve the problem that the control signal of the electronic control unit of the automobile will be affected by the electromagnetic interference due to the control reliability of the electronic control unit. problem, to achieve the effect of improving the control reliability of the electronic control unit by filtering the electromagnetic interference in the control signal of the electronic control unit of the car

Method used

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  • Interference signal filtering device, automobile and interference signal filtering method thereof
  • Interference signal filtering device, automobile and interference signal filtering method thereof
  • Interference signal filtering device, automobile and interference signal filtering method thereof

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Embodiment Construction

[0028] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] According to an embodiment of the present invention, an interference signal filtering device is provided. see figure 1 A schematic structural view of an embodiment of the device of the present invention is shown. The interference signal filtering device may include: a first filtering unit and a second filtering unit. The first filtering unit is, for exam...

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Abstract

The invention discloses an interference signal filtering device, an automobile and an interference signal filtering method thereof. The device comprises a first filtering unit and a second filtering unit, wherein the first filtering unit is configured to filter out an electromagnetic interference signal in an input control signal to obtain a first control signal; the control signal is a control signal for an interference signal is to be filtered; the control signal comprises a wake-up signal of a vehicle control unit of the automobile; the second filtering unit is configured to filter out a strong current interference signal in the first control signal to obtain a second control signal, and the second control signal is used as an effective control signal after the interference signal is filtered from the control signal. According to the scheme, the electromagnetic interference in the control signal of the electric control unit of the automobile is filtered out, so that the control reliability of the electric control unit is improved.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to an interference signal filtering device, an automobile and an interference signal filtering method thereof, in particular to an on-board wake-up circuit for automatically filtering out interference signals, an automobile and an interference signal filtering method thereof. Background technique [0002] With the rapid development of science and technology, new energy vehicles have gradually entered people's lives. The electronic control unit (such as the vehicle controller (VCU)) of a new energy vehicle is composed of various electronic components. Various electronic components will generate a lot of electromagnetic interference when working, and in severe cases, it will cause the circuit controlled by the electronic control unit to Misoperation has a major safety hazard. [0003] The above content is only used to assist in understanding the technical solution of ...

Claims

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Application Information

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IPC IPC(8): H04K3/00H04B10/80
CPCH04K3/20H04B10/802Y02T10/72
Inventor 单成龙胡聪宋爱刘兆斌
Owner GREE ELECTRIC APPLIANCES INC
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