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Battery Protection Circuits and Hybrid Power Equipment

A technology for protecting circuits and batteries, applied in battery overcharge protection, battery overheat protection, battery circuit devices, etc., can solve problems such as damage to electronic devices, and achieve high safety effects

Active Publication Date: 2015-09-02
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to this, there is a fear of electronic device damage occurring with a large and sharp increase in the internal temperature of the electronic device

Method used

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  • Battery Protection Circuits and Hybrid Power Equipment
  • Battery Protection Circuits and Hybrid Power Equipment
  • Battery Protection Circuits and Hybrid Power Equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 and 2

[0027] 2. Embodiments 1 and 2 (battery protection circuit and hybrid power supply device of the present disclosure), and others

[0028] 1. Overall description of the battery protection circuit and hybrid power supply device of the present disclosure

[0029] In the battery protection circuit of the present disclosure, or the battery protection circuit included in the hybrid power supply device of the present disclosure (hereinafter collectively referred to as “the battery protection circuit of the present temperature, the output voltage value from the voltage output portion of the first resistance voltage dividing circuit becomes equal to or greater than the first reference voltage value V REF-1 , or when the output voltage value from the voltage output section of the second resistor divider circuit becomes equal to or greater than the second reference voltage value V REF-2 , one or both of the first circuit and the second circuit is kept in an on state. Note that the first...

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Abstract

Disclosed herein is a secondary battery protecting circuit connected in parallel with a nonaqueous secondary battery, the secondary battery protecting circuit including: a first voltage detecting circuit; a second voltage detecting circuit; a switch section; and a heat radiating section.

Description

technical field [0001] The present disclosure relates to a battery protection circuit and a hybrid power supply device. More particularly, the present disclosure relates to a battery protection circuit for protecting a non-aqueous storage battery, and a hybrid power supply device including a non-aqueous storage battery, a solar cell, and a storage battery protection circuit. Background technique [0002] Since the solar cell can generate electricity only when light irradiates the solar cell, it is difficult to stably drive electronic devices by the solar cell itself. A method of configuring a hybrid power supply device by combining a solar cell and a storage battery with each other and using the storage battery as a power buffer is considered as a method of stably driving electronic devices. Using this method, when the amount of electricity used in the electronic device exceeds the power generation capacity of the solar cell, the electronic device is driven by using both th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02H7/18H01M50/569
CPCH01M10/465H01M10/486H02J7/0026H02J7/35Y10T307/50H01M16/00H02H7/18H01M10/48H01M2200/10Y02E60/10H02J7/00302H02J7/00309H01M50/569
Inventor 志村重辅佐藤敦井上芳明
Owner MURATA MFG CO LTD