Reverse connection prevention protection circuit and method and electrochemical device

A protection circuit and anti-reverse connection technology, applied in the direction of emergency protection circuit devices, electrical components, etc., can solve the problems of low connection reliability, expensive aviation plugs, etc., and achieve the effect of protecting safety

Pending Publication Date: 2020-11-27
DONGGUAN POWERAMP TECH LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, aviation plugs are more expensive and their connection reliability is not high

Method used

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  • Reverse connection prevention protection circuit and method and electrochemical device
  • Reverse connection prevention protection circuit and method and electrochemical device
  • Reverse connection prevention protection circuit and method and electrochemical device

Examples

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are part of the embodiments of the application, not all of them.

[0042] see figure 1 , figure 1It is a block diagram of a preferred embodiment of the electrochemical device 100 according to the present application. The electrochemical device 100 can be electrically connected to an external device 200 .

[0043] The electrochemical device 100 includes an anti-reverse connection protection circuit 10 , a cell unit 20 and an external port 30 . In the implementation manner of the present application, the external port 30 is used for electrically connecting the external device 200 . The anti-reverse connection protection circuit 10 is electrically connected to the external port 30 for detecting and identifying whether the external port 30 is connected c...

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Abstract

The invention provides an anti-reverse-connection protection circuit. The anti-reverse-connection protection circuit comprises a first detection unit, a second detection unit and a battery managementsystem. The first detection unit and the second detection unit are electrically connected with an external port of the electrochemical device, and the first detection unit and the second detection unit are used for detecting parameters of the external port; when the external port is electrically connected with external equipment, the first detection unit and the second detection unit respectivelyoutput a first detection signal and a second detection signal to the battery management system according to parameters of the external port. The invention further provides an anti-reverse-connection protection method and an electrochemical device. By detecting the parameters of the external port and respectively outputting the first detection signal and the second detection signal to the battery management system according to the parameters, whether the external port is reversely connected with the external equipment or not is determined; the method has the advantages of being low in cost, high in detection precision, wide in detection range and the like; the safety and stability of the battery can be improved.

Description

technical field [0001] The present application relates to the field of battery technology, in particular to an anti-reverse connection protection circuit, method and electrochemical device. Background technique [0002] Photovoltaic inverters can convert the DC energy output by photovoltaic (photo voltaic, PV) batteries into AC power with the same frequency, phase and amplitude as the grid through power conversion technology, and transmit power to the grid. During the actual installation process, due to the improper operation of the construction personnel, it is easy to reverse the positive and negative terminals of the PV panel and the battery, thus causing damage to the battery. [0003] In the prior art, structures such as aviation plugs are generally used to prevent reverse connection of the output end. However, aviation plugs are more expensive, and their connection reliability is not high. Contents of the invention [0004] In view of this, it is necessary to provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H11/00H02H7/18
CPCH02H11/002H02H7/18Y02E60/10
Inventor 柳奇凡
Owner DONGGUAN POWERAMP TECH LTD
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