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Battery box

A battery box and battery unit technology, which is applied in the direction of secondary batteries, battery pack components, circuits, etc., can solve the problems of battery box thermal runaway, large temperature difference of battery box, poor temperature consistency of battery box, etc., and achieve faster discharge speed, Effect of reducing temperature difference and improving uniformity

Active Publication Date: 2019-09-20
HUBEI JINQUAN NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, energy storage battery boxes are generally cooled by natural cooling or air cooling, but there are the following disadvantages: the temperature difference inside the battery box is relatively large (the temperature difference inside some battery boxes reaches 5°C), resulting in The internal temperature consistency is poor, and the charge and discharge capacity of the battery box is low, resulting in a short life of the battery box and potential safety hazards of thermal runaway of the battery box

Method used

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Embodiment Construction

[0029] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct...

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Abstract

The invention discloses a battery box, which comprises a box body, an exhaust fan and two battery units arranged inside the box body. The two battery units are a first battery unit and a second battery unit respectively. The exhaust fan is arranged at the front end of the box body, and is located between the first battery unit and the side wall of the box body. The box body is provided with an exhaust outlet at a position corresponding to the exhaust fan. There is a first ventilation duct between the two battery units and the top of the box body. A cushion frame is arranged between the second battery unit and the bottom of the box body. There is a second ventilation duct between the cushion frame and the bottom of the box body. A third ventilation duct is formed in a spaced manner between the first battery unit and the second battery unit, and the third ventilation duct is communicated with the first ventilation duct and the second ventilation duct. At least one air inlet is arranged in the side wall of the box body, and the at least one air inlet is communicated with one end of the second ventilation duct away from the first battery unit. The temperature difference inside the battery box can be reduced, the temperature consistency inside the battery box can be improved, and the battery box has good heat dissipation performance.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery box. Background technique [0002] In recent years, with the implementation of national energy-saving and emission-reduction policies, energy storage battery boxes have been widely used in all walks of life, and measures to cool down inside the energy storage battery box are needed to reduce the temperature inside the energy storage battery box and ensure energy storage. Safety of the battery box. In the prior art, energy storage battery boxes are generally cooled by natural cooling or air cooling, but there are the following disadvantages: the temperature difference inside the battery box is relatively large (the temperature difference inside some battery boxes reaches 5°C), resulting in The internal temperature consistency is poor, and the charging and discharging capacity of the battery box is low, so that the life of the battery box is short and there is a safety...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/6556H01M10/6563H01M2/10
CPCH01M10/613H01M10/6556H01M10/6563H01M50/20Y02E60/10
Inventor 蔡鹏陆毅成韦银涛郭燕春魏泽席蒙玉宝陈翔刘金成
Owner HUBEI JINQUAN NEW MATERIALS CO LTD
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