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Over-temperature protection device for battery

An overheating protection and battery technology, applied in secondary battery repair/maintenance, secondary battery, exhaust plug device, etc., can solve problems such as explosion, and achieve the effect of ensuring production safety and preventing battery explosion

Inactive Publication Date: 2016-09-28
肇庆遨优动力电池有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mobile communication equipment is a typical wireless communication equipment, and its power supply facilities are generally removable batteries. The batteries of existing mobile communication equipment are generally lithium batteries, and lithium batteries have a disadvantage, that is, overheating will cause explosions. Therefore, it is necessary to set up an overheating protection device to avoid the danger of explosion

Method used

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  • Over-temperature protection device for battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see Figure 2 to Figure 4 , the lower end of the connecting rod 81 is formed with a horizontal insertion slot 82, the upper end of the overheating protection rod 90 is formed with an insert 92 matching the insertion slot, and a pair of limit blocks are formed at the end of the insertion bar up and down 93, the inserting strip 92 and its limiting block 93 are plugged in the insertion slot 82, and a pair of limiting bars cooperating with the limiting block 93 are formed on the outer wall of the connecting rod 81 on the upper and lower sides of the insertion slot 82 83. According to the above scheme, when the expansion block 200 pushes away the clamping block 91, the insertion strip 92 on the upper end of the overheating protection rod 90 and the limit block 93 on the insertion strip move outwards in the insertion slot 82 of the connecting rod 81, moving When reaching the opening of the insertion slot 82 , the limiting bar 83 on the connecting rod 81 blocks the limiting b...

Embodiment 2

[0031] see Figure 5 , Image 6 , The connecting rod 81 is connected to the overheating protection rod 90 through a spring 300, and the upper and lower ends of the spring are respectively fixed on the lower end of the connecting rod 81 and the upper end of the overheating protection rod 90. According to the above scheme, when the expansion block 300 pushes away the clamping block 91, the upper end of the overheating protection rod 90 pulls the spring 300, and the spring deforms. to restore.

[0032]The present invention adds a casing 40 on the basis of the battery of the existing communication equipment, and an overheating protection device is installed in the casing. The expansion block 200 inside the 100 is heated and expands and pushes the clamping block 91 of the overheating protection rod 90 outward. When the expansion block 200 expands to a certain extent, the clamping block 91 is separated from the overheating protection seat 100, and the overheating protection rod 90...

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Abstract

The invention discloses an over-temperature protection device for a battery. The over-temperature protection device comprises a rectangular shell, an upper cover and a battery core body, wherein the battery core body is inserted into the shell, and two cylindrical electrode seats are upwards formed on the battery core body; a housing is fixedly connected to the upper end of the shell, two sockets are formed in the middle of the upper end surface of the housing, and two heat dissipation holes are formed in two ends of the housing; conducting pillars are inserted into the sockets, first transverse rods are fixedly connected to the upper ends of the conducting pillars, and pressure springs are fixedly connected to the lower ends of the middles of the first transverse rods; and sealing covers are inserted into the heat dissipation holes, connecting rods extending into the housing are formed at the lower ends of the sealing covers, second transverse rods are fixedly connected to the connecting rods, over-temperature protection rods are connected to the lower ends of the connecting rods, transversely protruded clamping blocks are formed at the lower ends of the over-temperature protection rods and are clamped to the over-temperature protection seats, and an expansion block is arranged in each over-temperature protection seat. According to the over-temperature protection device, a connecting circuit can be automatically cut off when the battery is too hot, and meanwhile, a heat dissipation channel is opened to cool a battery core.

Description

Technical field: [0001] The invention relates to the technical field of communication equipment, in particular to a battery overheat protection device for communication equipment. Background technique: [0002] Communication equipment is generally divided into wired communication equipment and wireless communication equipment. Both wired communication equipment and wireless communication equipment are inseparable from power supply facilities. Mobile communication equipment is a typical wireless communication equipment, and its power supply facilities are generally removable batteries. The batteries of existing mobile communication equipment are generally lithium batteries, and lithium batteries have a disadvantage, that is, overheating will cause explosions. Therefore, it is necessary to install an overheating protection device to avoid the explosion hazard. Invention content: [0003] The purpose of the present invention is to solve the problems existing in the prior art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M2/12H01M2/34H01M10/42H01M10/0525H01M50/30H01M50/581
CPCH01M10/0525H01M10/42H01M10/613H01M50/30H01M50/581Y02E60/10
Inventor 付淑珍
Owner 肇庆遨优动力电池有限公司
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