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Circuit and method for preventing electric vehicle from being started by mistake, controller and electric vehicle

A technology for electric vehicles and false starts, applied in the field of controllers and electric vehicles, methods, and circuits for preventing false starts of electric vehicles, can solve the problem of high cost of sensors, and achieve the effect of reducing circuit costs

Active Publication Date: 2021-01-12
HANGZHOU COBER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a circuit, method, controller and electric vehicle for preventing false start of electric vehicles, so as to at least solve the problem of high cost of using sensors to prevent false start of electric vehicles in the related art

Method used

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  • Circuit and method for preventing electric vehicle from being started by mistake, controller and electric vehicle
  • Circuit and method for preventing electric vehicle from being started by mistake, controller and electric vehicle
  • Circuit and method for preventing electric vehicle from being started by mistake, controller and electric vehicle

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0031] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ...

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Abstract

The invention relates to a circuit and method for preventing an electric vehicle from being started by mistake, a controller and the electric vehicle. The circuit for preventing the electric vehicle from being started by mistake is connected to a Hall rotating handle arranged on the electric vehicle, the Hall rotating handle is provided with a power supply end, a speed signal end and a grounding end, and the circuit comprises a sampling unit and a main control chip. The first end of the sampling unit is connected with the grounding end and the main control chip, the second end of the samplingunit is grounded, the sampling unit is used for collecting voltage signals and outputting the voltage signals to the main control chip, the first end of the main control chip is connected with the sampling unit, and the second end of the main control chip is connected to a motor arranged on the electric vehicle. And the main control chip is used for stopping outputting the power signal to the motor under the condition that the voltage signal reaches a preset abnormal voltage range, so that the problem of high cost caused by adopting an inductor for preventing the electric vehicle from being started by mistake is solved, and the circuit cost is reduced.

Description

technical field [0001] The invention relates to the technical field of electric vehicle control, in particular to a circuit, a method, a controller and an electric vehicle for preventing false start of the electric vehicle. Background technique [0002] Electric vehicles usually use the Hall handle as a component to control the speed of the vehicle. The Hall handle is provided with a power supply terminal, a speed signal terminal and a ground terminal, and the power supply terminal, the speed signal terminal and the ground terminal are respectively connected to the main control chip on the electric vehicle controller, so that the main control chip can The output voltage signal controls the normal operation of the motor. In actual use, when the ground terminal on the Hall handle is accidentally disconnected due to loose installation or long-term aging, a voltage signal will be generated on the speed signal terminal, causing the electric vehicle to fail to close the electric ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P1/02B60L15/00
CPCH02P1/022B60L15/00Y02T10/72
Inventor 武志强陈学帮周渊吴文淦季成
Owner HANGZHOU COBER TECH
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