Power supply structure

A technology of power supply and sub-battery, applied in structural parts, circuits, electrical components, etc., can solve problems such as low safety, and achieve the effect of enhancing safety, facilitating heat dissipation, and enhancing heat dissipation performance

Inactive Publication Date: 2017-03-08
邱晓霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although lithium secondary batteries have good electrical characteristics, lithium secondary batteries have very low safety

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A power supply structure, characterized in that it comprises:

[0024] A sub-battery module, the sub-battery module includes a plurality of battery cells connected in series and a bag for accommodating the battery cells;

[0025] The casing is wrapped around the sub-battery module and used to protect the sub-battery module;

[0026] Wherein, a compartment is provided in the housing, the battery unit is located in the compartment, a partition is provided between two adjacent compartments, and a cooling chamber is provided on the partition;

[0027] A fire detector and a fire extinguisher connected with the fire detector are arranged in the compartment;

[0028] Both the casing and the interlayer are provided with heat dissipation holes, the compartment communicates with the heat dissipation chamber through the heat dissipation holes, and the heat dissipation chamber communicates with the outside of the housing through the heat dissipation holes.

[0029] The invention ...

Embodiment 2

[0031] This embodiment is improved on the basis of the above embodiments, that is, the casing is provided with a cutting unit, and the cutting unit faces the battery unit and cuts the bag when in contact with the bag.

[0032] The fire detector is installed in the cooling hole of the interlayer.

[0033] The battery units are arranged parallel to each other.

[0034] The fire extinguisher is filled with inert gas.

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PUM

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Abstract

The present invention discloses a power supply structure, which comprises: a sub battery module, wherein the sub battery module comprises a plurality of battery units connected in series and bags for accommodating the battery units; a housing wrapped outside the sub battery module and used for protecting the sub battery module, wherein separation chambers are arranged in the housing, the battery units are positioned in the separation chambers, separation layers are arranged between the adjacent two separation chambers, a heat dissipating chamber is arranged on the separation layer, fire detectors and fire extinguishing devices connected to the fire detectors are arranged in the separation layers, heat dissipating holes are arranged on the housing and the separation layers, the separation chambers are communicated to the heat dissipating chamber through the heat dissipating holes, and the heat dissipating chamber is communicated to the external of the housing through the heat dissipating holes. The power supply structure of the present invention has high safety.

Description

technical field [0001] The invention relates to the field of power supplies, in particular to a high-safety power supply structure. Background technique [0002] A lithium secondary battery is one type of power source. With the growing interest in energy and the environment, the use of electronic products is increasing, and the demand for secondary batteries is increasing. In particular, lithium secondary batteries with high energy density and discharge voltage have been actively pursued. Research. [0003] Lithium secondary batteries are mainly used as power sources for mobile phones, tablets, notebook computers, digital cameras and electric vehicles, and their application range is becoming wider and wider. Although the lithium secondary battery has good electrical characteristics, the lithium secondary battery has very low safety. [0004] Now that the utilization rate of lithium secondary batteries is getting higher and higher, how to improve the safety of lithium seco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/42H01M10/613H01M10/6557H01M10/6562H01M50/204H01M50/24H01M50/244
CPCH01M10/4207H01M50/20Y02E60/10
Inventor 邱晓霞
Owner 邱晓霞
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