CN2577326Y

CN2577326Y - Notebook type computer with temperature-regulating function

Info

Publication number: CN2577326Y
Application number: CN 02252004
Authority: CN
Inventors: 王明璋; 刘志文; 张文雄; 李荣贵; 林保彰
Original assignee: LANTIAN COMPUTER CO Ltd
Current assignee: LANTIAN COMPUTER CO Ltd
Priority date: 2002-08-26
Filing date: 2002-08-26
Publication date: 2003-10-01
Anticipated expiration: 2012-08-26

Abstract

The utility model relates to a notebook type computer with a temperature regulation function, which comprises a microprocessor, a time pulse generator, a temperature sensor, an output and input controller, a cylinder manifold exchanger, a voltage regulator, etc., wherein, the part between the microprocessor and the time pulse generator is orderly connected with the temperature sensor and the output and input controller, and the part between the microprocessor and the output and input controller is connected with the cylinder manifold exchanger which is connected with a power supply regulator. Thereby, when the surface temperature of the microprocessor achieves predetermined temperature, a system BIOS can pass the word to the output and input controller, and the external frequency and the working voltage of the microprocessor are decreased automatically. Thus, the consumed power of the microprocessor is decreased, and the temperature regulation function is reached.

Description

The notebook computer of tool temp regulating function

Technical field

The utility model is a kind of notebook computer of tool temp regulating function, refers to a kind of device that makes microprocessor in the notebook computer remain on work in the temperature specification especially, be beneficial to this microprocessor not overheated the and generation systems of reason when the machine or the situation of burning.

Background technology

The attemperating unit of general computer in design, all be at the microprocessor in it, control the temperature of this microprocessor, as Fig. 1 and Fig. 2, it is warned unit 10 with temperature and is located at microprocessor 20 belows, temperature in order to direct detecting microprocessor 20, be provided with a temperature-sensitive sticker 30 in this temperature caution unit 10, this temperature-sensitive sticker 30 connects a circuit for controlling speed of fan 70, this circuit for controlling speed of fan 70 can change the rotating speed of its cooling fan 60 because of the height of microprocessor 20 temperature, avoids the temperature of this microprocessor 20 too high;

Or have in this temperature caution unit 10 and more include a comparer 50, and be connected with temperature-sensitive sticker 30, the output terminal of this comparer 50 connects a drive circuit of loudspeaker 40, this temperature-sensitive sticker 30 produces voltage swing according to the temperature height to be changed, and this changing value can be compared with predefined magnitude of voltage and be made loudspeaker SP send caution sound.

Aforesaid way will see through circuit for controlling speed of fan, comparer and drive circuit of loudspeaker and wait to reach and avoid the temperature of this microprocessor too high, yet, the operator in use still has because of problems such as environment, misoperations, causes this microprocessor because of the overheated situation that causes system to work as machine or burn.

This creator with great concentration research and cooperate the scientific principle utilization, can consider at above-mentioned factor to design one, and then propose one and can make microprocessor in this notebook computer reason is not overheated, and the device that generation systems is worked as machine or burnt.

Summary of the invention

For reaching this purpose, the utility model proposes the notebook computer of the known tool temp regulating function of a difference, the THERMDA of its microprocessor in this notebook computer, be connected a temperature-sensitive sticker between THERMDC pin position and the clock pulse generator in regular turn and controller is gone in an output, and at the VID[0..4 of this microprocessor] pin position and output goes into the PM-GMUXSEL of controller, AC-VID[0..4] the pin interdigit connects a busbar exchanger, the VR-VID[0..4 of this busbar exchanger] the pin position is connected with a power supply modulator, therefore, when reaching default temperature in order to the surface temperature of this microprocessor, system bios promptly can be given an order to exporting controller, automatically the outer frequency that reduces this microprocessor reduces and operating voltage (VCC-CORE), so, can reduce the consumed power of this microprocessor, reach the cooling function.

Another purpose of the present utility model, be to provide the notebook computer of a tool temp regulating function, because it can reduce the consumed power of this microprocessor, reach microprocessor surface temperature regulatory function, therefore, can make microprocessor remain on work in the temperature specification, this microprocessor not overheated the and generation systems of reason when machine or burn.

The purpose of this utility model is achieved in that a kind of notebook computer of tool temp regulating function, comprising: microprocessor; Clock pulse generator is connected with microprocessor, for the outer frequency of this microprocessor; Temperature-sensitive sticker is in order to the default temperature value of this microprocessor of perception; Busbar exchanger is connected in this microprocessor: the voltage modulation device, be connected in this busbar exchanger, and its output signal according to this busbar exchanger is adjusted the accurate position of operating voltage of this microprocessor; And controller is gone in output, be connected with temperature-sensitive sticker, clock pulse generator and busbar exchanger respectively, when its temperature value in the temperature-sensitive sticker perception reaches the default temperature of microprocessor, system promptly can send an order and export into controller to this, automatically reduce the outer frequency and the operating voltage of microprocessor, impel the consumed power of this microprocessor to reduce, reach the cooling function.

Wherein microprocessor adopts the microprocessor of intel pentium 4 (Intel pentium4).

Wherein go into the pin position that has a PM-GMUXSEL function in the controller in output, this pin position is connected to busbar exchanger, and this is exported into controller itself or microprocessor and adjusts the accurate position of operating supply voltage (VCC-CORE).

Wherein this is exported into the PM-GMUXSEL pin position of controller when the low level, and control is at microprocessor.

Wherein this is exported into the PM-GMUXSEL pin position of controller when the high levle, and control is at itself.

Effect of the present utility model is significant, the surface temperature of the microprocessor of this notebook computer of may command within a scope, protect this microprocessor not overheated the and generation systems of reason when machine or burn

Description of drawings

Fig. 1 is the enforcement illustration of traditional attemperating unit.

Fig. 2 is the enforcement circuit diagram of traditional level ground control device.

Fig. 3 is a circuit block diagram of the present utility model.The figure number explanation

1 microprocessor, 2 clock pulse generators

Controller is gone in 4 outputs of 3 temperature-sensitive stickers

5 busbar exchangers, 6 voltage modulation devices

10 temperature caution unit, 20 microprocessors

30 temperature-sensitive stickers, 40 drive circuit of loudspeaker

50 comparers, 60 cooling fans

70 circuit for controlling speed of fan

Embodiment

Your, see also following about detailed description of the present utility model and accompanying drawing in order to make juror can further understand feature of the present utility model and technology contents.

As shown in Figure 3, the utility model is a kind of notebook computer of tool temp regulating function, includes microprocessor 1, clock pulse generator 2, temperature-sensitive sticker 3, exports assemblies such as controller 4, busbar exchanger 5 and voltage modulation device 6; Wherein:

Microprocessor 1, according to input state, carry out corresponding work, in embodiment of the present utility model, this microprocessor 1 adopts the microprocessor of an intel pentium 4 (Intel pentium4).

The CPUCLK/CPUCLK# pin position of clock pulse generator 2 is connected with the BCLK0/BCLK1 pin position of microprocessor 1 (figure does not show), uses for this microprocessor 1 frequently outer.

Temperature-sensitive sticker 3 is connected with THERMDA, the THERMDC pin position of microprocessor 1, in order to the default surface temperature value of sensing microprocessor 1.

Controller 4 is gone in output, and continent B-MTA, the SMB-CLK pin position of SMB-DATA, SMB-CLK pin position and the temperature-sensitive sticker 3 of clock pulse generator 2 are connected respectively;

When this is exported the surface temperature that perceives microprocessor 1 at temperature-sensitive sticker 3 into controller 4 and surpasses preset temperature value, accept the order of sending and work from system bios.

Busbar exchanger 5 respectively with the VID[0..4 of microprocessor 1] pin position, output go into PM-GMUXSEL, the AC-VID[0..4 of controller 4] the pin position is connected.

Voltage modulation device 6 is connected in the VR-VID[0..4 of busbar exchanger 5] the pin position, this voltage modulation device 6 is adjusted the operating voltage (VCC-CORE) of microprocessor 1 according to the output signal of busbar exchanger 5.

When the surface temperature that perceives microprocessor 1 when this temperature-sensitive sticker 3 surpassed preset temperature value, system bios promptly can be given an order automatically to output and be gone into controller 4, to carry out two actions:

1, reduce the outer frequency of this microprocessor 1, the former the design of outer frequency who supposes this microprocessor 1 is at 100MHz, through this processing of circuit, promptly can see through system management bus-bar (SMB) the outer frequency of this microprocessor 1 is reduced to 90MHz.

2, reduce the operating voltage (VCC-CORE) of this microprocessor 1, the former the design of operating voltage who supposes this microprocessor 1 is at 1.5V, processing through this circuit, promptly the control of the accurate position of operating voltage can be transferred to this microprocessor 1 or itself, and utilize the output signal of busbar exchanger 5, adjust the accurate position of this operating voltage to 1.45V, the outer frequency of this microprocessor 1 and the contrast relationship of operating voltage are as following.

Outer operating voltage (VCC-CORE) frequently

100MHz 1.5V

90MHz 1.45V

85MHz 1.4V

Above-mentioned output is gone into the PM-GMUXSEL pin position of controller 4 when low level, and control is at this microprocessor 1, otherwise when the PM-GMUXSEL pin that controller 4 is gone in output stayed in high levle, control was at itself.

So, can impel the consumed power of microprocessor 1 to reduce, reach this microprocessor 1 surface temperature and reduce function.

In sum, by design of the present utility model, the surface temperature of the microprocessor of this notebook computer of may command within a scope, protect this microprocessor not overheated the and generation systems of reason when machine or burn.

Claims

1, a kind of notebook computer of tool temp regulating function is characterized in that, comprising:

Microprocessor;

Clock pulse generator is connected with microprocessor, for the outer frequency of this microprocessor;

Temperature-sensitive sticker, the temperature value that this microprocessor of perception is default;

Busbar exchanger is connected in this microprocessor:

The voltage modulation device is connected in this busbar exchanger, and its output signal according to this busbar exchanger is adjusted the accurate position of operating voltage of this microprocessor; And

Controller is gone in output, be connected with temperature-sensitive sticker, clock pulse generator and busbar exchanger respectively, the temperature value of temperature-sensitive sticker perception reaches the default temperature of microprocessor, system sends an order and exports into controller to this, automatically reduce the outer frequency and the operating voltage of microprocessor, reduce the consumed power of this microprocessor.

2, the notebook computer of tool temp regulating function as claimed in claim 1 is characterized in that, microprocessor adopts the microprocessor of intel pentium 4 (Intel pentium4).

3, the notebook computer of tool temp regulating function as claimed in claim 1, it is characterized in that, go into the pin position that has a PM-GMUXSEL function in the controller in output, this pin position is connected to busbar exchanger, and this is exported into controller itself or microprocessor and adjusts the accurate position of operating supply voltage (VCC-CORE).

4, the notebook computer of tool temp regulating function as claimed in claim 3 is characterized in that, this is exported into the PM-GMUXSEL pin position of controller when the low level, and control is at microprocessor.

5, the notebook computer of tool temp regulating function as claimed in claim 3 is characterized in that: wherein this is exported into the PM-GMUXSEL pin position of controller when the high levle, and control is at itself.