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Insulation detection circuit, system and vehicle

A technology for detecting circuits and vehicles, which is applied in testing circuits, testing dielectric strength, etc., can solve problems such as low detection efficiency and cumbersome operation steps, and achieve the effect of simplifying operation steps and improving detection efficiency.

Pending Publication Date: 2022-06-28
SHENZHEN V&T TECH
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  • Description
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Problems solved by technology

[0004] The embodiment of the present application provides an insulation detection circuit, system and vehicle, which can solve the problem of low detection efficiency caused by cumbersome operation steps in the detection process of the traditional insulation detection circuit

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  • Insulation detection circuit, system and vehicle
  • Insulation detection circuit, system and vehicle
  • Insulation detection circuit, system and vehicle

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Embodiment Construction

[0035] In the following description, for the purpose of illustration rather than limitation, specific details such as a specific system structure and technology are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0036] It is to be understood that, when used in this specification and the appended claims, the term "comprising" indicates the presence of the described feature, integer, step, operation, element and / or component, but does not exclude one or more other The presence or addition of features, integers, steps, operations, elements, components and / or sets thereof.

[0...

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Abstract

The invention is suitable for the technical field of electric vehicle safety detection, and provides an insulation detection circuit and system and a vehicle. The insulation detection circuit comprises a reference voltage unit, a comparison unit and a test unit. When insulation detection is carried out on an automobile, the comparison unit collects leakage voltage of an automobile body and receives reference voltage, and outputs a comparison signal according to the leakage voltage and the reference voltage. The test unit collects the leakage voltage, receives the comparison signal, and outputs a detection signal to the controller according to the comparison signal and the leakage voltage. The controller judges the insulation state of the automobile body according to the detection signal, and the automobile insulation performance is detected. The insulation detection circuit provided by the embodiment of the invention has the characteristics of simple structure and simple operation.

Description

technical field [0001] The application belongs to the technical field of electric vehicle safety detection, and in particular relates to an insulation detection circuit, a system and a vehicle. Background technique [0002] With the popularity of new energy electric vehicles, vehicle safety is particularly important. Electric vehicle insulation testing is an important testing item in automotive safety. [0003] The insulation detection circuit of a traditional electric vehicle includes a plurality of control switches, and the switches need to be switched many times during the detection of the insulation of the vehicle. The operation steps in the detection process are cumbersome and the detection efficiency is low. SUMMARY OF THE INVENTION [0004] The embodiments of the present application provide an insulation detection circuit, a system, and a vehicle, which can solve the problem of low detection efficiency caused by complicated operation steps in a conventional insulat...

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Application Information

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IPC IPC(8): G01R31/14
CPCG01R31/14
Inventor 任杰锋姜仲文
Owner SHENZHEN V&T TECH
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