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Detection circuit

A detection circuit and circuit technology, applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve the problem that the detection circuit is difficult to expand, and achieve the effect of simple structure and flexible collocation

Pending Publication Date: 2022-01-28
ZHUHAI YINLONG ELECTRICAL APPLIANCES +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiments of the present application is to provide a detection circuit to solve the current problem that the detection circuit used in single voltage detection is difficult to expand

Method used

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Embodiment Construction

[0028] 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 only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0029] Below in conjunction with accompanying drawing accompanying drawing and specific embodiment, the present application is described in further detail:

[0030] Such as figure 1 As shown, the present application discloses a detection circuit, the circuit includes: a control module, a selection module, a plurality of detection modules and a battery module, the battery module includes a plurality of single batteries BAT1-BATn1 connected in series, wherein the The detection module...

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Abstract

The invention provides a detection circuit, and belongs to the technical field of detection circuits. The circuit comprises a control module, a selection module, a plurality of detection modules and a battery module, the battery module comprises a plurality of single batteries connected in series, and the detection modules are in one-to-one correspondence with the single batteries; the first input end of each detection module is connected with the corresponding single battery, the second input end of each detection module is connected with the control module, the output end of each detection module is connected with one end of the selection module, and the other end of the selection module is connected with the control module. The detection circuit is simple in structure and flexible in matching, and as each detection module in the detection circuit is connected with the corresponding single battery, the detection of each single battery is relatively independent, the detection circuit is not influenced by the number of the batteries and limited by the total voltage of series connection, and the requirements of collection of various series numbers of batteries are met.

Description

technical field [0001] The present application relates to the technical field of detection circuits, in particular to a detection circuit. Background technique [0002] With the increasing global awareness of energy saving and environmental protection, the development of new energy vehicles is gradually expanding. The power source of new energy vehicles is generally a lithium battery module composed of multiple lithium batteries connected in series. Faced with this kind of lithium battery module that is connected together by multiple lithium batteries to supply power to the load, during use, it is necessary to detect the voltage of the single battery to understand the working status of the single battery, so as to understand the status of the entire lithium battery module. At present, most of the detection circuits used in cell voltage detection can only realize the management of limited battery cells, and have the disadvantage of being difficult to expand. Contents of the...

Claims

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Application Information

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IPC IPC(8): G01R31/388G01R31/392G01R31/396
CPCG01R31/388G01R31/392G01R31/396
Inventor 马有镇江开东孙丰涛谢华文朱松伟
Owner ZHUHAI YINLONG ELECTRICAL APPLIANCES
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