CN201209972Y

CN201209972Y - Local heat dissipation device and electronic device with same

Info

Publication number: CN201209972Y
Application number: CNU2008201125409U
Authority: CN
Inventors: 廖志勇; 林邦郁; 吴盛忠; 沈吉博; 王珮琪; 林文河
Original assignee: Teco Electric and Machinery Co Ltd
Current assignee: Teco Electric and Machinery Co Ltd
Priority date: 2008-05-07
Filing date: 2008-05-07
Publication date: 2009-03-18
Anticipated expiration: 2018-05-07

Abstract

The utility model relates to a local heat abstractor and have local heat abstractor's electron device. The utility model discloses a local heat abstractor uses the refrigerant in order to carry out the heat dissipation of the portion that generates heat. The local heat dissipation device comprises a compressor, a condenser, an expansion device, a heat conduction part and a plurality of refrigerant pipe bodies. The heat conducting part can exchange heat with the heating part to lower the temperature of the heating part. One of the refrigerant tubes is connected with the heat conducting part and the expansion device, and the other refrigerant tube is connected with the heat conducting part and the compressor. Through the structure, the compressor, the condenser, the expansion device, the heat conducting part and the plurality of refrigerant pipe bodies form a channel for the circulation of the refrigerant. The utility model discloses a local heat abstractor can reduce the temperature of conducting part through the refrigerant, and the portion that generates heat of high temperature is just with heat natural transfer to the conducting part of low temperature relatively. Thus, the heat dissipation can be performed on the heating part, and the effect of local heat dissipation is achieved.

Description

Local heat abstractor and have the electronic installation of local heat abstractor

Technical field

The utility model relates to a kind of heat abstractor and electronic installation, relates in particular to a kind of refrigerant that uses carrying out the local heat abstractor of heating portion heat radiation, and the electronic installation with local heat abstractor.

Background technology

The radiating mode of electronic installation (for example computer) uses ventilation type or water-cooled collocation fan and radiating fin to carry out the heat exchange of heater element (as central processing unit) more at present.Yet this mode is limited to some extent for the radiating effect of electronic installation, if heat that heater element produced too much (as user's overclocking time) can't be got rid of unnecessary heat often in real time.

In addition, in the prior art, the design of lowering the temperature at main frame inner body space with the refrigerant endless form is arranged also.But the only local pyrotoxin of computer-internal produces high heat, and main frame inner body space is lowered the temperature does not reach most economical effect.In the prior art, using the refrigerant endless form is not the best heat radiation or the cooling method that this only regional area produces high temperature.

Therefore, be necessary to provide a kind of local heat abstractor, and a kind of electronic installation with local heat abstractor, to improve the existing in prior technology problem.

Summary of the invention

In view of this, the purpose of this utility model provides a kind of local heat abstractor, uses the heat radiation of refrigerant with the portion of generating heat.

Another purpose of the present utility model provides a kind of electronic installation with local heat abstractor, uses the heat radiation of refrigerant with the portion of generating heat.

For achieving the above object, the utility model provides a kind of local heat abstractor, uses a refrigerant to carry out the heat radiation of a heating portion, and this part heat abstractor comprises: a compressor; One condenser, it is connected with this compressor; One expansion gear, it is connected with this condenser; At least one heat-conducting part, this at least one heat-conducting part can carry out heat exchange with this heating portion; And a plurality of refrigerant bodys, wherein at least one refrigerant body connects this at least one heat-conducting part and this expansion gear, and another refrigerant body connects this at least one heat-conducting part and this compressor at least; By said structure, this compressor, this condenser, this expansion gear, this at least one heat-conducting part form the passage that circulates for this refrigerant with these a plurality of refrigerant bodys.

Preferably, each refrigerant body is that one to make the position of this at least one heat-conducting part be adjustable pliability body.

Preferably, this part heat abstractor also comprises a plurality of in order to fix the pipe joint of this pliability body, and this pliability body, this at least one heat-conducting part, this expansion gear, this compressor and this condenser form the passage for this refrigerant circulation.

Preferably, this part heat abstractor also comprises a temperature sensor, and this temperature sensor electrically connects with this heat-conducting part and this compressor respectively, and when this temperature sensor institute sensed temperature surpassed a predetermined temperature, this compressor reduced operating frequency.

Preferably, this part heat abstractor comprises that also one is used to get rid of the fan of this refrigerant through the heat that this condenser produced.

Preferably, this part heat abstractor also comprises a temperature sensor, and this temperature sensor electrically connects with this heat-conducting part and this fan respectively, and when this temperature sensor institute sensed temperature surpassed a predetermined temperature, this fan reduced rotating speed.

Preferably, at least a portion of this heat-conducting part is the plane, and contacts to carry out heat exchange with this heating portion by this heat-conducting part.

Preferably, this heat-conducting part is the water-cooled head of a metal material.

For reaching another above-mentioned purpose, the utility model provides a kind of electronic installation with local heat abstractor, comprising: a heating portion; One local heat abstractor comprises: a compressor; One condenser is to be connected with this compressor; One expansion gear is to be connected with this condenser; At least one heat-conducting part, this at least one heat-conducting part can carry out heat exchange with this heating portion; And a plurality of refrigerant bodys, wherein at least one refrigerant body connects this at least one heat-conducting part and this expansion gear, and at least one refrigerant body connects this at least one heat-conducting part and this compressor; By said structure, this compressor, this condenser, this expansion gear, this at least one heat-conducting part form the passage that circulates for this refrigerant with these a plurality of refrigerant bodys.

Preferably, each refrigerant body is that one can to make the position of this at least one heat-conducting part be adjustable flexible pipe body.

Useful technique effect of the present utility model is: can reduce the temperature of heat-conducting part by refrigerant, the heating portion of relatively-high temperature just is passed to heat the heat-conducting part of relative low temperature naturally.Can dispel the heat at heating portion like this, thereby reach local effect of dispelling the heat.

Description of drawings

Fig. 1 is the structure chart of the local heat abstractor of the utility model.

Fig. 2 is the structure chart that the utlity model has the electronic installation of local heat abstractor.

Fig. 3 is the schematic diagram of local another embodiment of heat abstractor of the utility model.

Wherein, description of reference numerals is as follows:

1, local heat abstractor 10 compressors of 1a

20 condensers, 30 expansion gears

40,40a heat-conducting

part

50,50a, 50b, 50c refrigerant body

52 pipe joints, 60 fans

70 temperature sensors, 80 refrigerants

90,90a heating portion 100 electronic installations

120 condensation units

The specific embodiment

For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, cited below particularlyly go out specific embodiment of the utility model, and conjunction with figs. is described in detail below.

Please refer to Fig. 1, it is the structure chart of local heat abstractor of the present utility model.Local heat abstractor 1 comprises compressor 10, condenser 20, fan 60, expansion gear 30, heat-conducting part 40,

refrigerant body

50,50a and temperature sensor 70.Wherein, condenser 20 is connected with compressor 10, and expansion gear 30 directly is connected with condenser 20.It should be noted that between compressor 10, condenser 20, the expansion gear 30 and also can be connected by copper pipe.

Wherein, compressor 10, condenser 20, expansion gear 30, heat-conducting part 40 form the passage that cooling matchmaker 80 circulates with

refrigerant body

50,50a, and refrigerant 80 returns compressor 10 after can successively passing through compressor 10, condenser 20, expansion gear 30, refrigerant body 50, heat-conducting part 40, refrigerant body 50a.Wherein, compressor 10, condenser 20, expansion gear 30 and fan 60 are the condensation unit 120 in the refrigeration air-conditioner, and the body machine of condensation unit 120 that is local heat abstractor 1 of the present utility model is less.

In the present embodiment, compressor 10 is a light duty compressor, the size that it is approximately laughable jar or is slightly less than laughable jar.Use the purpose of light duty compressor to have two: one is moderate for its volume, can directly place in the casing of electronic installation 100, and it two be that power is moderate, and the power of light duty compressor is about about 100 to 200 watts, and comparison can cooperate the heat exhaust of heating portion 90.Because light duty compressor has belonged to prior art, therefore repeat no more its thin portion structure.

Refrigerant 80 becomes high temperature and high pressure gas through behind the compressor 10, then just enters condenser 20.Refrigerant 80 forms liquid refrigerants warm in the high pressure through condenser 20 cooling backs, and the heat of being discharged in this process is discharged outside the electronic installation 100 by fan 60.Refrigerant 80 then forms the low-temp low-pressure state under the effect of expansion gear 30, then the refrigerant 80 of low-temp low-pressure just flow to heat-conducting part 40 via refrigerant body 50, and heat-conducting part 40 can carry out heat exchange with heating portion 90, thereby reduces the temperature of heating portion 90.The refrigerant 80 that absorbs heating portion 90 heats flows back to compressor 10 by refrigerant body 50a, so just can carry out the heat radiation operation of reciprocation cycle.

The purpose of heat-conducting part 40 be and heating portion 90 between carry out heat exchange, to reduce the temperature of heating portion 90, can reduce the temperature of heat-conducting part 40 by refrigerant 80.Because formation temperature is poor between heat-conducting part 40 and the heating portion 90, the heating portion 90 of relatively-high temperature just is passed to heat the heat-conducting part 40 of relative low temperature naturally.Can dispel the heat at heating portion 90 like this, thereby reach local effect of dispelling the heat.

Heat-conducting part 40 is made by the metal material (as copper, aluminium etc.) of high conduction coefficient, and the runner of cooling matchmaker circulation is arranged in the heat-conducting part 40.In the present embodiment, at least a portion of heat-conducting part 40 (for example wherein simultaneously) is the plane, and heat-conducting part 40 can directly contact with heating portion 90.The shape that it should be noted that heat-conducting part 40 is not limited thereto.

In the present embodiment, heat-conducting part 40 is the water-cooled head of metal material.The water-cooled head was used for water-cooled heat radiation originally, and its outside has a contact-making surface that is used to connect heating portion 90, and its inside has runner, is that media dispels the heat with water.In the present embodiment, utilize the structure of water-cooled head commonly used, and inner runner to change with the refrigerant be that media dispels the heat.Because the water-cooled head belongs to prior art, therefore repeat no more its thin portion structure.

In addition, in order further to strengthen the radiating efficiency of heat-conducting part 40, heat-conducting part 40 can install radiating fin and/or radiator fan in addition additional, by the large tracts of land heat radiation of radiating fin and the forced convertion heat radiation of fan, quickens to get rid of the heat that heating portion 90 is produced.

It should be noted that heating portion 90 can be the heating regional area, this moment, heat-conducting part 40 also can the noncontact mode dispel the heat to the heating regional area.

The two ends of refrigerant body 50 connect heat-conducting part 40 and expansion gear 30 respectively, and the two ends of refrigerant body 50a connect heat-conducting part 40 and compressor 10 respectively.

Refrigerant body

50,50a and heat-conducting part 40, expansion gear 30 are fixed by pipe joint 52 with the connected mode of compressor 10.

In the present embodiment,

refrigerant body

50,50a are the pliability body.Owing to the bendability characteristics of pliability body, therefore can adjust the position of the heat-conducting part 40 that is connected with the pliability body as required, dispel the heat with heating portion 90 at diverse location, increase the applicability of local heat abstractor 1.In addition, because pliability body internal circulation gases at high pressure, so the material of pliability body is high voltage bearing plastics.It should be noted that the refrigerant body also can be hard tube (as copper pipe etc.), so that dispel the heat at the heating portion of single ad-hoc location.

Then please refer to Fig. 2, it is the structure chart that the utlity model has the electronic installation of local heat abstractor.Electronic installation 100 comprises heating portion 90 and local heat abstractor 1.In the present embodiment, electronic installation 100 is a calculator product, generally also is referred to as computer, it should be noted that the utility model also can be applicable in other electronic installation with heater element.

When electronic installation 100 was computer, heating portion 90 can produce the element of high heat when can be operation such as central processing unit, South Bridge chip, north bridge chips, VGA card.

In the utility model, because compressor 10 adopts light duty compressor, make local heat abstractor 1 can be placed in the casing of electronic installation 100, and it use refrigerant 80 to carry out the heat radiation of heating portion 90.

Then please in the lump with reference to figure 1 and Fig. 2.Because local heat abstractor 1 is when operation, when being lower than the dew-point temperature of current environment as if refrigerant temperature, heat-conducting part 40 can produce the dewfall phenomenon with pliability body 50,50a.If heating portion 90 is when be precision element (as central processing unit), it does not allow and touches any moisture that dewfall is provided with temperature sensor 70 in local heat abstractor 1 for fear of heat-conducting part 40 mistakes are cold.

Temperature sensor 70 electrically connects with heat-conducting part 40 and compressor 10 respectively, and when 70 sensed temperature of temperature sensor surpassed predetermined temperature, compressor 10 reduced operating frequency.Wherein, predetermined temperature must be greater than dew-point temperature, makes operating local heat abstractor 1 reduce gradually in temperature but during near dew-point temperature, can in time temperature be raise by the mode that reduces compressor 10 operating frequencys in real time, to avoid dewfall.For instance, when predetermined temperature is decided to be 20 degree Celsius, the temperature that temperature sensor 70 records heat-conducting part 40 has reduced to Celsius 20 when spending, just reduces the operating frequency of compressor 10.Wherein, the variable quantity of temperature variation and compressor operation frequency can be linear.It should be noted that temperature sensor 70 also can measure other regional temperature, for example measure heating portion 90 or measure the temperature of

refrigerant body

50,50a.

Temperature sensor 70 is except above-mentioned connected mode, also temperature sensor 70 can be electrically connected with heat-conducting part 40 and fan 60 respectively, when 70 sensed temperature of temperature sensor surpassed predetermined temperature, fan 60 reduced rotating speed, can reach the purpose of avoiding dewfall equally.

It should be noted that when local heat abstractor 1 is in operation the anxiety of no dewfall, also can not need temperature sensor 70.

Then please refer to Fig. 3, it is the schematic diagram of local another embodiment of heat abstractor of the utility model.In the present embodiment, local heat abstractor 1a comprises two heat-conducting

parts

40,40a, and

refrigerant body

50,50a, 50b, 50c can be the pliability bodys.Wherein, heat-conducting part 40 is connected by

refrigerant body

50,50a, but heat-conducting part 40 contact heating portions 90; Heat-conducting part 40a is connected by

refrigerant body

50b, 50c, but the heat-conducting part 40a contact heating 90a of portion.The low temperature refrigerant that is produced by condensation unit 120 flow to heat-conducting part 40 and heat-conducting part 40a respectively, so that simultaneously two

heating portions

90,90a are carried out heat exchange simultaneously via refrigerant body 50 and refrigerant body 50b.It should be noted that quantity, the structure of heat-conducting part and the position is set and be not limited to above-mentioned example.

In sum, no matter the utility model is with regard to purpose, means and effect, demonstrates all that it is totally different in the feature of prior art.It should be noted that the foregoing description only is used for illustrative principle of the present utility model and effect thereof, is not to be used to limit scope of the present utility model.Protection domain of the present utility model should be as described in the scope of appending claims.

Claims

1. A local heat dissipation device, which uses a refrigerant to dissipate heat from a heat generating part, is characterized in that the local heat dissipation device comprises:

a compressor;

a condenser connected to the compressor;

an expansion device connected to the condenser;

at least one heat conducting part capable of exchanging heat with the heat generating part; and

A plurality of refrigerant pipes, wherein at least one refrigerant pipe connects the at least one heat transfer part and the expansion device, and at least another refrigerant pipe connects the at least one heat transfer part and the compressor;

The compressor, the condenser, the expansion device, the at least one heat conducting part and the plurality of refrigerant pipes form a passage for the refrigerant to circulate.

2 . The local heat dissipation device according to claim 1 , wherein each refrigerant tube is a flexible tube that enables the position of the at least one heat conducting portion to be adjusted. 3 .

3. The local heat dissipation device according to claim 2, further comprising a plurality of pipe joints for fixing the flexible pipe body, the flexible pipe body, the at least one heat conducting part, the expansion device , the compressor and the condenser form a passage for the refrigerant to circulate.

4. The local heat dissipation device according to claim 1, 2 or 3, further comprising a temperature sensor, the temperature sensor is electrically connected to the heat conducting part and the compressor respectively, when the temperature sensed by the temperature sensor When a predetermined temperature is exceeded, the compressor reduces the operating frequency.

5. The local heat dissipation device according to claim 1, 2 or 3, further comprising a fan for removing heat generated by the refrigerant passing through the condenser.

6. The local heat dissipation device according to claim 5, further comprising a temperature sensor, the temperature sensor is electrically connected to the heat conducting part and the fan, and when the temperature sensed by the temperature sensor exceeds a predetermined temperature , the fan reduces speed.

7. The local heat dissipation device according to claim 1 or 2, wherein at least a part of the heat conduction part is flat, and contacts the heat generating part through the heat conduction part to perform heat exchange.

8. The local heat dissipation device according to claim 1 or 2, wherein the heat conducting part is a water cooling head made of metal.

9. An electronic device with a local heat dissipation device, comprising:

a heating unit; and

The local cooling device includes:

a compressor;

a condenser connected to the compressor;

an expansion device connected to the condenser;

10 . The electronic device as claimed in claim 9 , wherein each refrigerant pipe is a flexible pipe capable of adjusting the position of the at least one heat conducting portion. 11 .

11. The electronic device according to claim 9 or 10, further comprising a temperature sensor, the temperature sensor is electrically connected to the heat conducting part and the compressor respectively, when the temperature sensed by the temperature sensor exceeds a predetermined When the temperature is high, the compressor reduces the operating frequency.

12 . The electronic device according to claim 9 or 10 , wherein at least a part of the heat conduction portion is flat, and contacts the heat generating portion through the heat conduction portion to perform heat exchange. 13 .