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Method of selecting circuit fuses

A fuse and circuit technology, applied in the field of circuit fuse selection, can solve the problems of fusing, lack of protection, debugging and user inconvenience, and achieve the effect of improving safety and reliability and reducing complaints and complaints

Inactive Publication Date: 2015-08-12
BEIJING BORGWARD AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the debugging of new energy vehicles and the use of users, it often happens that the circuit fuse is blown when the power is turned on and off, which brings great inconvenience to debugging and users
Another example is that the power battery pack of a hybrid electric vehicle catches fire due to some factors, but the circuit fuse of the main circuit is intact and does not play its due protective role.

Method used

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  • Method of selecting circuit fuses
  • Method of selecting circuit fuses
  • Method of selecting circuit fuses

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Embodiment Construction

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0022] The following describes a method for selecting a circuit fuse according to an embodiment of the present invention with reference to the accompanying drawings. Such as figure 1 As shown, the method for selecting the circuit fuse according to the embodiment of the present invention includes selecting the circuit fuse at least according to the characteristics of the load, the working environment temperature, the circuit parameters and the position of the circuit fuse in the circuit.

[0023] The method for selecting a circuit fuse according to an embodiment of the present invention comprehensively analyzes the characteristics ...

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PUM

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Abstract

The invention discloses a method of selecting circuit fuses. The method is used for selecting the circuit fuses according to the load characteristics, the working environment temperature, the circuit parameters, and the positions of the circuit fuses in the circuit. The method of selecting the circuit fuses can be used for the comprehensive analysis of the load characteristics, the working environment temperature(fuse characteristics), the circuit parameters, and the positions of the circuit fuses in the circuit (breaking capacity), and therefore the fusing of the circuit fuses, which are not caused by the fuse faults, (namely the misoperation) can be prevented, and the circuit protection can be realized under the overload condition or under the short circuit condition. The safety and the reliability of the new energy vehicles can be greatly improved, and the complaints of the users can be reduced.

Description

Technical field [0001] The invention relates to a method for selecting a circuit fuse, in particular to a method for selecting a circuit fuse for a new energy vehicle. Background technique [0002] Circuit fuses (fuses) belong to the unpopular field. This is because in order to adapt to the rapid calculation of modern industry and the exchange of large amounts of information, various industries have designed active components that better meet their needs, which are valued and studied by engineers. In the passive component industry, such as circuit fuses have been neglected. With the development of automotive electronics, especially the increase in electronic control units of new energy vehicles (such as electric air conditioners, electric heaters, DC / DC, on-board chargers, etc.), the following phenomena will occur: 1) Malfunction, that is, non-operation The phenomenon of faulty circuit fuse; 2) The circuit fuse does not play the role of fuse protection and causes fire. [0003] I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/08
Inventor 邢丹丹
Owner BEIJING BORGWARD AUTOMOBILE CO LTD