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Braking energy feedback method, feedback system and vehicle of electric vehicle

A braking energy feedback and braking energy technology, applied in the field of electric vehicles, can solve problems such as brake disc damage and power system damage

Active Publication Date: 2022-04-15
SHENZHEN A&E INTELLIGENT TECH INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a braking energy feedback method, a feedback system and a vehicle of an electric vehicle to solve the problem that the braking energy feedback function of the electric vehicle in the prior art easily causes damage to the power system or damage to the brake disc

Method used

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  • Braking energy feedback method, feedback system and vehicle of electric vehicle
  • Braking energy feedback method, feedback system and vehicle of electric vehicle
  • Braking energy feedback method, feedback system and vehicle of electric vehicle

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments of the present invention and the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0029] The electric vehicle is in the braking condition when driving on a long downhill, and the braking energy feedback function needs to be turned on to achieve braking. When the electric vehicle is performing braking energy feedback, it is detected whether the power battery of the electric vehicle meets the braking energy receiving conditions, and if the receiving conditions are met, the braking energy generated by the driving motor o...

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Abstract

A braking energy feedback method for an electric vehicle, the feedback method includes detecting whether a power battery of the electric vehicle meets the braking energy receiving condition; if the braking energy receiving condition is met, feeding back the braking energy generated by the driving motor of the electric vehicle to Power battery; if the braking energy receiving conditions are not met, the braking energy will be fed back to the electrical equipment of the electric vehicle. The braking energy feedback method can avoid damage to the power system, and can also avoid damage to the brake disc caused by mechanical braking, thereby improving driving safety. Also disclosed are a braking energy feedback system for an electric vehicle and a vehicle.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a braking energy feedback method, a feedback system and a vehicle of an electric vehicle. Background technique [0002] In the braking condition when the car is driving downhill for a long time, it is necessary to brake so that the speed of the car can be maintained in a reasonable range. For traditional cars, engine braking is usually used to achieve the braking effect; for electric vehicles, braking energy regeneration is usually used to simulate engine braking. [0003] The power component in an electric vehicle is a drive motor, which can work as a motor or a generator. When the electric vehicle is braking, the working characteristics of the driving motor as a generator can be used to recover a part of the kinetic energy of the electric vehicle to realize the braking energy feedback function of the electric vehicle, so as to realize the use of braking energy feedback to simu...

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Application Information

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IPC IPC(8): B60L7/10
CPCB60L7/10
Inventor 魏强
Owner SHENZHEN A&E INTELLIGENT TECH INST CO LTD