Active and negative switching radiating system for notebook computer

A notebook computer and heat dissipation system technology, applied in the direction of data processing power supply, electrical digital data processing, instruments, etc., can solve the problem of loud fan noise, etc., and achieve the effect of saving power and extending battery life

Inactive Publication Date: 2006-10-18
SHENZHEN TOPSTAR DIGITAL TECH
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AI Technical Summary

Problems solved by technology

This is the basic heat dissipation method commonly used by notebook computers. The system fan is used to achieve the heat dissipation of the entire system of the notebook computer without reducing the system performance, that is, the active cooling method that uses the fan to take the heat source away from the CPU. This cooling method is mainly suitable for When the current running system has sufficient power supply, it can achieve good heat dissipation of the whole system without limiting the performance of the system, but the fan will produce loud sound or even noise when it is running.

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  • Active and negative switching radiating system for notebook computer
  • Active and negative switching radiating system for notebook computer
  • Active and negative switching radiating system for notebook computer

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Embodiment Construction

[0013] The invention is designed to solve the heat dissipation of the notebook computer system, such as figure 1 As shown, it mainly includes basic input and output system (hereinafter referred to as BIOS) 1, embedded controller (hereinafter referred to as EC) 2, operating system power management (hereinafter referred to as OSPM) 3 and CPU4. BIOS1 is connected to EC2 through I / O interface , EC2 collects the temperature of CPU4 when it is running through SMBUS, and OSPM3 learns the temperature of CPU4 through the connection of BIOS1 and EC2.

[0014] There are two main thermal control schemes for the heat dissipation of notebook computers: one is the active heat dissipation method; the other is the passive heat dissipation method. The so-called active cooling method is to use the system fan to achieve the heat dissipation of the entire notebook computer system without reducing the system performance; the so-called passive cooling method is to reduce the performance of the heat-gen...

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Abstract

The present invention discloses an active and passive switchover type radiating system, which can be used in notebook computer. It includes the following several portions: an operation system and its power supply management device, a basic input/output system, an embedded controller and an interface created between said basic input/output system and said embedded controller. Said invention also provides the concrete action of the above-mentioned every portion and concrete working principle of said switchover type radiating system. Said active and passive switchover type radiating system can make notebook computer not only have the good radiating function, but also have high energy-saving effect.

Description

【Technical Field】 [0001] The invention relates to a heat dissipation system, in particular to an active and passive switching type heat dissipation system for notebook computers. 【technical background】 [0002] Now, among the many technical problems of notebook computers, heat dissipation is an important technical problem that affects the performance of notebook computers. In a sense, heat dissipation is a bottleneck problem in improving product performance. The general laptop cooling system consists of three parts: CPU, heat sink, and fan. The CPU is the main source of heat. When the CPU is working, the heat flows out continuously from the CPU; since the heat sink is in contact with the surface of the CPU, the heat generated by the CPU will soon be transferred to the heat sink; it will be transferred to the heat sink. The heat is then taken away by the airflow caused by the rotation of the fan. Such an endless cycle can transfer the heat generated by the CPU to the outside of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/32G06F1/20
CPCY02D10/00
Inventor 刘虎
Owner SHENZHEN TOPSTAR DIGITAL TECH
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