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Insulation fault control method and control device for fuel cell vehicle

A fuel cell and insulation fault technology, applied in electric vehicles, electrical devices, transportation and packaging, etc., can solve problems such as vehicle breakdown

Pending Publication Date: 2021-06-29
深圳市氢蓝时代动力科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the fuel cell vehicle in the related art detects that the insulation performance of the vehicle does not meet the requirements, it will immediately cut off the output of the fuel cell and the power battery, causing the vehicle to break down

Method used

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  • Insulation fault control method and control device for fuel cell vehicle
  • Insulation fault control method and control device for fuel cell vehicle
  • Insulation fault control method and control device for fuel cell vehicle

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Embodiment Construction

[0021] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

[0022] In the description of this application, the description of the first and the second is only for the purpose of distinguishing the technical features, and should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating The sequence of the indicated technical features.

[0023] In the description of this application, unless otherwise clearly defined, words such as setting, installation, and connection should be understood...

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PUM

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Abstract

The invention discloses an insulation fault control method and control device for a fuel cell vehicle. The insulation fault control method of the fuel cell vehicle comprises the following steps: acquiring a change state of a current insulation resistance value of the fuel cell vehicle; if the change state is a first fault state, outputting a first fault signal; cutting off the output of the fuel cell according to the first fault signal; if the change state is a second fault state after the preset time, outputting a second fault signal; and cutting off the output of the power battery according to the second fault signal. By controlling the fuel cell and the power cell respectively, when the insulating property of the automobile goes wrong, the fuel cell is cut off firstly, so that the automobile can be driven by the power cell to run to a maintenance point, and the situation that the automobile breaks down immediately, and traffic safety is affected is prevented.

Description

technical field [0001] The present application relates to the field of fuel cell vehicles, in particular to an insulation fault control method and control device for fuel cell vehicles. Background technique [0002] In order to ensure the safety of fuel cell vehicles and prevent accidents due to electric leakage of the vehicle's power system, fuel cell vehicles are usually equipped with insulation detection devices to monitor the insulation performance of fuel cell vehicles in real time. When the fuel cell vehicle in the related art detects that the insulation performance of the vehicle does not meet the requirements, it will immediately cut off the output of the fuel cell and the power battery, causing the vehicle to break down. Contents of the invention [0003] This application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application proposes an insulation fault control method for a fuel cell vehicle, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L3/04
CPCB60L3/0069B60L3/04
Inventor 林鸿辉曹桂军
Owner 深圳市氢蓝时代动力科技有限公司
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