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Fast charging protection circuit and vehicle

A technology for protecting circuits and vehicles, applied in safety/protection circuits, emergency protection circuit devices, electric vehicles, etc., can solve problems such as controller interference, achieve the effects of reducing usage, flexible methods, and improving service life

Pending Publication Date: 2022-06-28
BEIJING ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using the charging pile to fast charge the power battery, due to the different specifications of the charging pile and the environment in which the vehicle is located, different interferences will be generated on the controller of the vehicle

Method used

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  • Fast charging protection circuit and vehicle
  • Fast charging protection circuit and vehicle
  • Fast charging protection circuit and vehicle

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Embodiment Construction

[0025] In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, the following will be described in detail with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to assist in a comprehensive understanding of embodiments of the present invention. Accordingly, it should be apparent to those skilled in the art that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0026] It is to be understood that reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic associated with the embodiment is included in at least one...

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Abstract

The invention provides a fast charge protection circuit and a vehicle wherein the fast charge protection circuit comprises: a first main branch including a first branch and a second branch connected in parallel with the first branch; the second main branch comprises a third branch and a fourth branch, and the fourth branch is connected with the third branch in parallel; the change-over switch is connected with the first branch circuit, the second branch circuit, the third branch circuit and the fourth branch circuit and used for controlling connection and disconnection of all the branch circuits, and when the change-over switch is in the first state, the first branch circuit and the third branch circuit are both connected, and the second branch circuit and the fourth branch circuit are both disconnected; and when the change-over switch is in a second state, the first branch circuit and the third branch circuit are disconnected, and the second branch circuit and the fourth branch circuit are connected. Different protection circuits can be selected by switching different states of the switch, so that the mode is more flexible, the dual protection effect of the same protection circuit is realized, and the design and development cost is reduced.

Description

technical field [0001] The invention relates to the field of new energy vehicles, in particular to a fast charging protection circuit and a vehicle. Background technique [0002] As we all know, new energy vehicles use power batteries as power sources. When the power of the power battery is insufficient, the power of the power battery needs to be replenished in time to meet the battery life requirements. However, when using the charging pile to fast charge the power battery, due to the different specifications of the charging pile and the environment in which the vehicle is located, different disturbances will be generated to the controller of the vehicle. How to flexibly set the protection circuit of the vehicle according to different electromagnetic interference needs to be considered. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a fast charging protection circuit and a vehicle, so as to realize flexible setting of the protection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02H9/04H02M1/32H02M1/44B60L58/13B60L3/00
CPCH02J7/0029H02J7/00308H02H9/046H02M1/32H02M1/44B60L58/13B60L3/0046Y02T10/70
Inventor 王文静李党清闫立国梁海强代康伟
Owner BEIJING ELECTRIC VEHICLE
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