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Heating circuit and device

A technology for heating circuits and heating circuits, applied in circuits, electrical components, secondary batteries, etc.

Active Publication Date: 2019-06-07
浙江欣动能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a heating circuit and device, which solves the problems caused by heating the lithium battery with a constant current in the existing heating circuit

Method used

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Embodiment Construction

[0025] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] It should be noted that the descriptions in the present invention such as "first", "second" and so on are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention...

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Abstract

The present invention provides a heating circuit and device. The heating circuit comprises a heating module, a regulation module and a control module. The regulation module is connected with the heating module, the regulation module is configured to regulate the size of a heating current in the heating module; and the control module is configured to control the size of a voltage in a positive poleinput end of a comparer to control the size of a voltage in the output end of the comparer. The control module is configured to control the regulation module and merge a triode Q1 in the regulation module into a heating loop to achieve automatic regulation of the current in the heating loop, and a battery is intelligent heated according to the detection temperature in the battery to make the heating circuit much safer and more reliable.

Description

technical field [0001] The invention relates to the field of battery heating, in particular to a heating circuit and a device. Background technique [0002] With the development of society, the use of electronic products is becoming more and more extensive, but the discharge characteristics and discharge capacity of lithium batteries will deteriorate under low temperature conditions, so the use of lithium batteries under low temperature conditions will be limited. [0003] At present, in order to overcome the poor performance of lithium batteries under low temperature conditions, heating circuits are generally used to heat lithium batteries, but the existing heating circuits heat the batteries with a constant current, and control the opening and closing of the heating circuit. The shutdown is simply through the temperature control switch, which will easily lead to overheating and damage the lithium battery, and if the temperature control switch is damaged, the heating circui...

Claims

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Application Information

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IPC IPC(8): H01M10/615H01M10/635H01M10/6571
CPCY02E60/10
Inventor 洪明深周双军
Owner 浙江欣动能源科技有限公司
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