A battery heat dissipation device for mobile phones

CN224288324UActive Publication Date: 2026-05-26SHENZHEN GUANQUN ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN GUANQUN ELECTRONICS CO LTD
Filing Date: 2025-03-31
Publication Date: 2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, the excessively high temperature of mobile phone battery cells leads to internal decomposition reactions in lithium batteries, causing safety hazards, shortening lifespan, and the lack of heat dissipation design between the battery and the motherboard, affecting the stability and safety of the device.

Method used

It adopts a dual-cell structure with a heat sink, a dual-ribbon cable connection design, an added heat sink and thermal grease for the ribbon cable interface, and uses an aluminum alloy frame and heat-conducting sheet to optimize the heat conduction path.

Benefits of technology

It significantly improves battery safety and lifespan, enhances equipment stability and performance, avoids safety hazards and equipment damage caused by high temperatures, and simplifies maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224288324U_ABST

Patent Text Reader

Abstract

This utility model provides a battery heat dissipation device for mobile phones, relating to the technical field of battery heat dissipation devices. It includes a mobile phone mid-frame and a mobile phone motherboard. The mobile phone motherboard is fixed to the top of the mobile phone mid-frame. A first battery cell is located on the top of the mobile phone mid-frame, and a heat-conducting heat dissipation bracket is located on the top of the first battery cell. The heat-conducting heat dissipation bracket is fixed to the top of the mobile phone mid-frame by screws. A second battery cell is located on the top of the heat-conducting heat dissipation bracket. The first and second battery cells are connected via a battery FPC. The battery FPC is soldered to one side of the first and second battery cells. A first battery ribbon cable is soldered to the surface of the battery FPC, and a first ribbon cable connector is soldered to one end of the first battery ribbon cable. A second battery ribbon cable is soldered to the surface of the battery FPC, and a second ribbon cable connector is soldered to one end of the second battery ribbon cable. The first and second ribbon cable connectors are fixed to the top of the mobile phone motherboard, and a heat dissipation cover is provided on the top of the first and second ribbon cable connectors.

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