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Self-cooled emergency battery pack composed of phase change energy storage individuals

A phase-change energy storage, battery pack technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problem of inability to meet the main power failure operation, high-intensity heat dissipation and safety protection requirements, and inability to meet emergency power supply battery pack installation conditions, inability to meet relevant requirements, etc., to achieve uniform and direct heat dissipation, flexible size and shape design, and no risk of electromagnetic interference

Pending Publication Date: 2019-04-19
广东硅岳能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of space, safety and reliability, other existing thermal management systems, such as mineral oil immersion, natural or forced air cooling or liquid cooling, air-conditioning refrigeration, electric heating refrigeration and other systems cannot meet the requirements of the server's emergency power battery pack. The installation conditions cannot meet the requirements of main power failure operation, high-intensity heat dissipation and safety protection.
Unable to meet the relevant requirements of passive server emergency battery pack, lack of matching heat dissipation system

Method used

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  • Self-cooled emergency battery pack composed of phase change energy storage individuals
  • Self-cooled emergency battery pack composed of phase change energy storage individuals
  • Self-cooled emergency battery pack composed of phase change energy storage individuals

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0035] Specific implementation mode one: according to figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 and Figure 7 Describe this embodiment. This embodiment includes an outer capsule 1-1 and a heat conduction plate 1-2. A phase change heat conductor 1-3 is arranged inside the outer capsule 1-1, and one end of the heat conduction plate 1-2 passes through the outer capsule. The body 1-1 is inserted into the phase change heat conductor 1-3, and the other end of the heat conduction plate 1-2 is arranged outside the outer capsule 1-1.

[0036] Further, the end of the heat conducting plate 1-2 outside the outer capsule 1-1 is fitted with a convective radiator 3 . The convection radiator 3 adopts finned convection radiators, which are aluminum alloy profiles, and its advantages are: high coefficient of heat dissipation, low cost, and good availability. The space between the convection radiator 3 and the heat conduction plate 1-2 is filled and fixed with hea...

specific Embodiment approach 2

[0045] Specific implementation mode two: according to figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 and Figure 7 Describe this embodiment. This embodiment includes a battery pack body and a plurality of phase-change energy storage cells 1. The battery pack body includes a plurality of battery cells 2. The plurality of battery cells 2 are vertically arranged side by side. Every two A gap is formed between the outer walls of adjacent battery cells 2, and a phase-change energy storage cell 1 is arranged in each gap, and each phase-change energy storage cell 1 includes an outer capsule 1-1 and a heat conduction sheet 1 -2, the outer capsule 1-1 is provided with a phase change heat conductor 1-3, and one end of the heat conduction sheet 1-2 is arranged inside the phase change heat conductor 1-3 through the outer capsule 1-1, and the heat conduction sheet 1 The other end of -2 is set outside the outer capsule 1-1. The arrangement of the outer capsule 1-1...

specific Embodiment approach 3

[0056] Specific Embodiment 3: This embodiment is a further limitation of Specific Embodiment 1 or 2. The technology and working conditions of the battery are different, and the optimal charging and discharging temperature ranges are usually different. The mass and component ratio of the phase change material of the energy storage and heat dissipation unit, the ratio of the supporting material, the heat pipe and the convection radiator need to be designed according to the type and capacity of the battery served by the thermal management system and the design working conditions of the equipment.

[0057] Let the maximum allowable temperature of the battery pack body be T h , with an initial temperature of T 0 , the heat balance formula is as follows:

[0058] Qc=∑m pi ·C pi △T+m c ·C pc ·△T+m c ·Jc+q d

[0059] In the above formula, Qc is the heat generated by the discharge of the battery pack body, and the unit is J;

[0060] m p is the mass of the outer box, supporti...

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Abstract

The invention discloses a self-cooled emergency battery pack composed of phase change energy storage individuals. An existing passive server emergency battery pack has a compact structure and a high heat dissipation requirement, but lacks a matching heat dissipation structure so as to have a poor heat dissipation effect which affects the performance of the existing passive server emergency batterypack. The phase change energy storage individual in the invention comprises an outer capsule body and a heat conducting plate, wherein the outer capsule body is provided therein with a phase change heat conductor; one end of a heat conducting plate is inserted into the phase change heat conductor through the outer capsule body; and the other end of the heat conducting plate is disposed outside the outer capsule body. A plurality of battery individuals of the battery pack are vertically arranged side by side. A gap is formed between the outer sidewalls of every two adjacent battery individuals. Each phase change energy storage individual is disposed in the corresponding gap. Each phase change energy storage individual comprises the outer capsule body and the heat conducting plate. The outer capsule body is provided therein with the phase change heat conductor. One end of the heat conducting plate passes through the outer capsule body and is disposed inside the phase change heat conductor. The other end of the heat conducting plate is placed outside the outer capsule body.

Description

Technical field: [0001] The invention specifically relates to a self-radiating emergency battery pack composed of phase change energy storage monomers. Background technique: [0002] The working condition characteristics of the passive server emergency battery pack are short working time, large discharge rate, large amount of heat generated in a short time, high operating ambient temperature, and small space. Therefore, the performance requirements of the passive server emergency battery pack for its matching thermal management system high. However, due to the limitations of space, safety and reliability, other existing thermal management systems, such as mineral oil immersion, natural or forced air cooling or liquid cooling, air-conditioning refrigeration, electric heating refrigeration and other systems cannot meet the requirements of the server's emergency power battery pack. The installation conditions also cannot meet the requirements of main power failure operation, h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/627H01M10/659H01M10/6551H01M10/6554H01M10/6562
CPCH01M10/613H01M10/627H01M10/6551H01M10/6554H01M10/6562H01M10/659Y02E60/10
Inventor 桂裕鹏王维汉康健强汪丽黄平波
Owner 广东硅岳能源科技有限公司
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