CN105431017B

CN105431017B - It is a kind of based on the electronic component cooling device and method of exerting gloomy effect

Info

Publication number: CN105431017B
Application number: CN201510979612.4A
Authority: CN
Inventors: 卢苇; 徐昆; 刘进阳; 许浩; 刘纪云; 陈汉; 王颖; 王博韬; 王南; 谢超许
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2015-12-23
Filing date: 2015-12-23
Publication date: 2018-04-20
Anticipated expiration: 2035-12-23
Also published as: CN105431017A

Abstract

Included the invention discloses a kind of based on the electronic component cooling device and method, device of exerting gloomy effect：It is multiple heat sink；Multiple metal parts, its respectively with one it is heat sink it is corresponding configuration；Multiple to exert gloomy compressor, each exerting gloomy compressor includes：Cold chamber, hot chamber, microchannel；Condenser；Capillary throttle pipe；And multiple evaporators, it corresponds to an electronic component heating position respectively.The present invention will be to be integrated in the cooling device in heating electronic component to substitute traditional heat-dissipating cooling device based on the refrigerant system design of exerting gloomy effect, can directly it be freezed using the heat of electronic component itself release to realize secondary cooling, so as to improve cooling effectiveness and improve cooling effect, there is higher application value in electronic component cooling field.

Description

It is a kind of based on the electronic component cooling device and method of exerting gloomy effect

Technical field

It is more particularly to a kind of cold based on the electronic component for exerting gloomy effect the present invention relates to electronic cooling technical field But device and method.

Background technology

With the development of society, people are continuously increased the demand of High performance electronics, such as high-performance computer, data Center etc..But with the continuous lifting of electronic component performance, its power consumption is also constantly increasing, therefore efficient and reliable heat dissipation It is to ensure that this kind of component plays the key of its performance.Currently, mainstream heat dissipation technology has become rapid photo detector hair One big bottleneck of exhibition.Mainstream radiating mode, such as Natural Heat Convection, i.e., using the gap between each electronic component in equipment with And casing heat conduction, convection current and heat radiation reach heat dissipation purpose, this mode radiating efficiency is low, and can not meet high power consumption electronics member Device；Air blast cooling is radiated, i.e., forces electronic component surrounding air to flow using fan etc., so as to take away electronic component Caloric value is to reach heat dissipation purpose, this mode noise is larger and system operation reliability is relatively low；Heat pipe heat radiation, i.e. liquid refrigerant exist Evaporator section flows to condensation segment by pipe Orbital heat flux body heating evaporation, its steam by adiabatic section, and condensation segment steam is by cold fluid outside pipe Latent heat is released in cooling, is condensed into liquid, and the condensation water accumulated in radiating segment liquid-sucking core is acted on by the capillary force of liquid-sucking core, is returned Bringing-up section is returned to absorb heat again evaporation, it is simple in structure although this mode radiating efficiency is higher, it is still simply simple to consider electronics The caloric value of component drains into external environment as much as possible, still can cause component local temperature there are heat derives not in time Excessive situation.With the development of science and technology, the size of highly integrated electronic component is less and less, mainstream heat dissipation technology without Method meet demand, this also results in Current electronic component and all fails really to play its due performance, so as to influence overall work Make efficiency and user experience.Therefore, highly efficient heat dissipating method is found for realizing electronic component Performance optimization, and then Meet that current demand is of great significance.

The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.

The content of the invention

It is an object of the invention to provide a kind of based on the electronic component cooling device and method of exerting gloomy effect, so that gram It is not high to take the cooling effectiveness of current main-stream electronic component cooling technology, in time can not drain component caloric value causes performance The shortcomings that limited.

To achieve the above object, according to an aspect of the present invention, there is provided a kind of based on the electronic component for exerting gloomy effect Cooling device, including：Multiple heat sink, heating position of multiple heat sink sides respectively with an electronic component is connected, For absorbing the caloric value of electronic component；Multiple metal parts, its respectively with one it is described it is heat sink it is corresponding configuration；It is multiple exert it is gloomy Compressor, its be connected to one it is heat sink between a corresponding metal parts, wherein, it is described to exert gloomy compressor and include： Cold chamber, the cold intracavitary are placed in the metal parts, and the cold chamber is equipped with low-pressure refrigerant inlet, for being passed through refrigerant；With And hot chamber, its be built in it is described it is heat sink in, which is connected by microchannel with the cold chamber, which is equipped with high-pressure refrigerant Outlet, the hot chamber are used for the heat for absorbing electronic component, the cold chamber is formed temperature difference with the hot chamber, so as to Driving refrigerant enters the hot chamber from the microchannel and carries out increasing temperature and pressure formation high-pressure refrigerant vapor；Condenser, its Entrance is connected with multiple high-pressure refrigerant outlets for exerting gloomy compressor, for by making the high compacting with heat exchange with outside Refrigerant vapor condensation liquefaction is high pressure refrigerant liquid；Capillary throttle pipe, its entrance are connected with the outlet of the condenser, are used for The pressure of the high pressure refrigerant liquid is reduced, low pressure refrigerant liquid is become and controls its flow；And multiple evaporations Device, each evaporator correspond to the heating position of an electronic component, the entrances of multiple evaporators respectively with The outlet connection of the capillary throttle pipe, multiple evaporators export the low pressure system with exerting gloomy compressor described in one respectively Cryogen entrance connects, for making the low pressure refrigerant liquid carry out heat absorption evaporation with extraneous progress heat exchange, so as to cool down institute State the heating position of cold chamber and the electronic component.

Preferably, in above-mentioned technical proposal, described exert sets thermal insulation layer between the cold chamber of gloomy compressor and hot chamber.

Preferably, in above-mentioned technical proposal, multiple temperature sensors are further included, each described heat sink and each metal A temperature sensor is equipped with component, for detecting the temperature of each hot chamber and cold chamber for exerting gloomy compressor.

Preferably, in above-mentioned technical proposal, further include reservoir, its be arranged on the condenser and the capillary throttle pipe it Between.

Preferably, in above-mentioned technical proposal, the metal parts is inlaid with multiple radiating fins.

Preferably, in above-mentioned technical proposal, the condenser is disposed far from the position of the heating position of the electronic component Put.

Preferably, in above-mentioned technical proposal, multiple regulating valves and automatic control system, multiple regulating valves are further included The inlet of an evaporator is respectively arranged on, multiple regulating valves are connected with the automatic control system respectively, by institute State automatic control system temperature according to obtained by the temperature sensor and the low of the evaporator is flowed into by regulating valve control Compression refrigerant fluid flow.

To achieve the above object, according to another aspect of the present invention, there is provided a kind of based on the electronics member device for exerting gloomy effect Part cooling means, comprises the following steps：Above-mentioned electronic component cooling device is provided, the electronic component cooling device bag Include：Multiple heat sink, multiple metal parts, multiple exert gloomy compressor, condenser, capillary throttle pipe and multiple evaporators；It is described Exert gloomy compressor by be built in it is described it is heat sink in hot chamber and be built in the metal parts and by microchannel and the heat The cold chamber composition of chamber connection；By multiple heat sink heating positions for being respectively arranged on an electronic component；The hot chamber absorbs The heat of electronic component is so that the cold chamber and the hot chamber formation temperature difference, the refrigeration is driven in the case where exerting gloomy effect effect Agent enters the hot chamber by the cold chamber from the microchannel, formed after increasing temperature and pressure high-pressure refrigerant vapor be passed through it is described cold Condenser；The high-pressure refrigerant vapor condensation liquefaction is passed through the capillary for high pressure refrigerant liquid and throttled by the condenser Pipe；Capillary throttle pipe controls the flow of the high pressure refrigerant liquid simultaneously to reduce its pressure, make the high pressure refrigerant liquid into Multiple evaporators are passed through for low pressure refrigerant liquid；Multiple evaporators make the low pressure refrigerant liquid with it is extraneous into Row heat exchange carries out heat absorption evaporation, so as to cool down the heating position of the cold chamber and the electronic component.

Compared with prior art, the present invention will exert gloomy compression refrigerating system can be directly integrated in hair based on exert gloomy effect Cooling device on thermoelectron component substitutes existing mainstream radiator, due to exerting gloomy compressor based on exert gloomy effect The heat that can be directly discharged when can directly utilize heat drive, thus work using component.The system movement-less part, Also without lubricating fluid, the type of cooling (fan coolling, hot pipe technique cooling etc.) of mainstream instantly is contrasted, the present apparatus is efficiently sharp Cold, which is produced, with the caloric value of heating element itself realizes that secondary cooling, rather than the simple of traditional approach drain into heat outside Portion's environment, so that improve cooling effectiveness and improve cooling effect, therefore the device is in the application of electronic component cooling field Have a high potential.

Brief description of the drawings

Fig. 1 is the structure diagram of electronic component cooling device according to the present invention.

Fig. 2 is the three-dimensional structure diagram for exerting gloomy compressor according to the present invention.

Fig. 3 is the three-dimensional structure diagram for exerting gloomy compressor heat chamber according to the present invention.

Fig. 4 is the three-dimensional structure diagram for exerting the cold chamber of gloomy compressor according to the present invention.

Fig. 5 is to exert gloomy compressor microchannel profile according to the present invention.

Main Reference Numerals explanation：

1- exerts gloomy compressor, and 2- condensers, 3- reservoirs, 4- capillary throttle pipes, 5- evaporators, 6- is heat sink, 7- electronics member The heating position of device, 8- device housings, 9- metal parts, the cold chambers of 10-, the hot chambers of 11-, 12- microchannels, 13- thermal insulation layers, 14- Radiating fin, 15- temperature sensors, 16- regulating valves.

Embodiment

Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Protect scope and from the limitation of embodiment.

Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members Part or other parts.

Fig. 1 shows the structure diagram of electronic component cooling device according to the preferred embodiment of the present invention.Such as Fig. 1 Shown in Fig. 5, which includes：Multiple heat sink, multiple metal parts, it is multiple exert gloomy compressor 1, condensation Device 2, reservoir 3, capillary throttle pipe 4, multiple evaporators 5 and multiple temperature sensors 15；Wherein, above-mentioned component is in the device Played in effect it is as follows：

(1) heating position 7 of electronic component, its heat dissipation form high temperature heat source, and thermal energy is provided to exert gloomy compressor 1；

(2) gloomy compressor 1 is exerted, for low-temperature low-pressure refrigerant is steam compressed into high-temperature high-pressure refrigerant steam；

(3) condenser 2, for being high pressure refrigerant liquid by high-pressure refrigerant vapor condensation liquefaction；

(4) reservoir 3, whether for storing high pressure refrigerant liquid, specifically needing can be depending on actual load；

(5) capillary throttle pipe 4, for reducing the pressure of high pressure refrigerant liquid, becomes low pressure refrigerant liquid simultaneously Control its flow；

(6) evaporator 5, for making refrigerant decalescence, heat exchange is carried out so as to fulfill refrigeration with the external world.

With continued reference to Fig. 1 to Fig. 5, multiple heat sink 6 sides are connected with the heating position 7 of an electronic component respectively, For absorbing the caloric value of electronic component；Multiple metal parts 9 respectively with one it is heat sink 6 it is corresponding configuration；It is multiple to exert gloomy compression Machine 1 is connected between one heat sink 6 and a corresponding metal parts 9, and each exerting gloomy compressor 1 includes：Cold chamber 10, heat Chamber 11, microchannel 12；Cold chamber 10 is built in metal parts 9, and cold chamber 10 is equipped with low-pressure refrigerant inlet, for being passed through refrigerant； Surface for the metal parts 9 of built-in cold chamber is embedded with multiple radiating fins 14, for accelerating cold 10 own temperature of chamber reduction Speed；Hot chamber 11 is built in heat sink 6, and hot chamber 11 is connected by microchannel 12 with cold chamber 10, which is equipped with high-pressure refrigerant Outlet；At the same time each heat sink 6 with setting a temperature sensor 15 respectively on each metal parts 9, for detecting each exert The hot chamber of gloomy compressor and the temperature of cold chamber.As shown in figure 3, the fever of heat sink 6 and electronic component for built-in hot chamber 11 Position 7 is connected, and the caloric value of the heating position 7 of electronic component is constantly directed at hot chamber 11 by heat sink 6 exerts gloomy compression for driving Machine 1 works.As shown in figure 4, cold chamber 10 is built in metal parts 9, metal parts 9 is inlaid with fin 14.It is as shown in figure 5, micro- Passage 12 has the parcel of thermal insulation layer (insulation material layer) 13.Wherein, heat sink 6 for built-in hot chamber 11 are arranged on electronic component and generate heat Position 7, constantly transmits the heat of electronic component release, so that cold chamber 10 forms temperature difference with hot chamber 11, is exerting gloomy effect Under the action of, form driving and exert the temperature gradient that gloomy compressor 1 works, driving low-temperature low-pressure refrigerant steam from cold chamber 10 via Microchannel 12 enters hot chamber 11, and increasing temperature and pressure forms high-pressure refrigerant vapor and (exerts gloomy compressor specific configuration and specific original Reason refers to the patent of invention document that disclosed number of patent application is 201410272413.5), and exert gloomy effect and cause the dress Put with self-regulation effect, after electronic component temperature is reduced to normal range of operation, exert the gloomy compressor hot and cold side temperature difference very Small, kind of refrigeration cycle will terminate automatically at this time；After electronic component temperature raises again, the hot and cold side temperature difference becomes larger again, refrigeration Operation is cooled down again for circulation；The entrance of condenser 2 is connected with multiple high-pressure refrigerants outlets for exerting gloomy compressor, for inciting somebody to action The high-pressure refrigerant vapor condensation liquefaction for flowing into condenser 2 is high pressure refrigerant liquid, 2 position of condenser according to actual conditions and It is fixed, but will be far as possible from the heating position 7 of electronic component, or even the outside of device housings 8 can be placed in；Reservoir 3 is arranged on Between condenser 2 and capillary throttle pipe 4, the high pressure refrigerant liquid for making to be discharged by condenser 2, which is flowed into reservoir 3, to be carried out Storage, system adjust the flow of the refrigerant by being flowed out in reservoir 3 according to condensation load size；The entrance of capillary throttle pipe 4 Outlet with reservoir 3 is connected, and for reducing the pressure of the high pressure refrigerant liquid flowed out by reservoir 3, becomes low pressure Refrigerant liquid simultaneously controls its flow；Outlet of the entrance of multiple evaporators 5 respectively with capillary throttle pipe 4 is connected, multiple evaporations The low-pressure refrigerant inlet that gloomy compressor is exerted in the outlet of device 5 with one respectively is connected, for that will flow out low pressure from capillary throttle pipe 4 Refrigerant liquid carries out heat exchange to carry out heat absorption evaporation with extraneous, on the one hand cools down multiple cold chambers 10 for exerting gloomy compressor 1, with Further increase the hot and cold side temperature difference to improve refrigerating capacity, on the other hand cool down the heating position 7 of multiple electronic components, last low pressure Refrigerant vapor reenters the cold chamber 10 for exerting gloomy compressor 1, is circulated next time；The device preferably, can introduce multiple tune Section valve 16 and automatic control system, multiple regulating valves 16 are located before being respectively arranged on the entrance of an evaporator 5, multiple regulating valves 16 It is connected respectively with automatic control system；The data obtained driving is monitored by automatic control system according to each temperature sensor 15 to correspond to Regulating valve 16 so that according to the real-time caloric value of each electronic component distribute enter each evaporator 5 refrigerant flow, with Obtain optimal cooling effect.

More specifically, being comprised the following steps based on the electronic component cooling means for exerting gloomy effect in the embodiment： Refrigerant is passed through cold chamber 10, by multiple heat sink 6 heating parts for being respectively arranged on an electronic component for built-in hot chamber 11 Position 7；Hot chamber 11 absorbs the heat of electronic component release so that cold chamber 10 and hot chamber 11 formation temperature difference, are exerting gloomy effect effect Lower driving refrigerant enters the hot progress of chamber 11 increasing temperature and pressure formation high-pressure refrigerant vapor from microchannel 12 and is passed through condenser 2； The high pressure refrigerant liquid that condenser 2 is discharged is flowed into reservoir 3 and stored, and system is adjusted by liquid storage according to condensation load size The flow of the refrigerant flowed out in device 3；Refrigerant is passed through capillary throttle pipe 4 afterwards, and capillary throttle pipe 4 controls high-pressure refrigerant liquid The flow of body simultaneously reduces its pressure, high pressure refrigerant liquid is passed through multiple evaporators 5 as low pressure refrigerant liquid；Evaporator 5 are used to make low pressure refrigerant liquid carry out heat exchange with extraneous to carry out heat absorption evaporation, so as to cool down cold chamber 10 and electronics member device The heating position 7 of part.The setting enables the present apparatus to be cooled down at the same time to multiple components, particularly points out, in the design Exert the quantity of gloomy compressor and refrigeration system miscellaneous part (such as condenser 2, evaporator 5, the quantity of capillary throttle pipe 4 and such as What share etc.) selection can be depending on actual conditions.

To sum up, the present invention based on the gloomy compression refrigerating system of exerting for exerting gloomy effect will be designed as that fever electronics can be directly integrated in Cooling device on component substitutes current main-stream heat radiation cooling device, due to can be with based on the gloomy compressor of exerting for exerting gloomy effect Heat drive, thus the heat refrigeration that can be directly discharged using electronics member component are directly utilized, so as to fulfill secondary cooling. The system movement-less part, it is not required that lubricating fluid, contrasts the type of cooling (such as fan coolling, the hot pipe technique of mainstream instantly Cooling etc.), the present apparatus efficiently make use of the caloric value of electronic component itself, and unconventional heat is discharged into external rings merely A type of cooling in border, so that cooling effectiveness is improved, therefore the device has very in electronic component cooling field Big application potential.

It is foregoing to the present invention specific exemplary embodiment description be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims

It is 1. a kind of based on the electronic component cooling device for exerting gloomy effect, it is characterised in that including：

Multiple heat sink, heating position of multiple heat sink sides respectively with an electronic component is connected, for absorbing electricity The caloric value of sub- component；

Multiple metal parts, its respectively with one it is described it is heat sink it is corresponding configuration；

It is multiple to exert gloomy compressor, its be connected to one it is heat sink between a corresponding metal parts, wherein, it is described exert it is gloomy Compressor includes：

Cold chamber, the cold intracavitary are placed in the metal parts, and the cold chamber is equipped with low-pressure refrigerant inlet, for being passed through refrigeration Agent；And

Hot chamber, its be built in it is described it is heat sink in, which is connected by microchannel with the cold chamber, which is equipped with high-pressure refrigeration Agent exports, and the hot chamber is used for the heat for absorbing electronic component, the cold chamber is formed temperature difference with the hot chamber, so as to Enough drive refrigerant to enter the hot chamber from the microchannel and carry out increasing temperature and pressure formation high-pressure refrigerant vapor；

Condenser, its entrance is connected with multiple high-pressure refrigerant outlets for exerting gloomy compressor, for by being handed over extraneous heat Changing makes the high-pressure refrigerant vapor condensation liquefaction be high pressure refrigerant liquid；

Capillary throttle pipe, its entrance are connected with the outlet of the condenser, for reducing the pressure of the high pressure refrigerant liquid, Become low pressure refrigerant liquid and control its flow；

Multiple evaporators, each evaporator correspond to the heating position of an electronic component, multiple evaporators Outlet of the entrance respectively with the capillary throttle pipe be connected, the outlet of multiple evaporators described in one respectively with exerting gloomy pressure The low-pressure refrigerant inlet connection of contracting machine, for making the low pressure refrigerant liquid carry out heat absorption steaming with extraneous progress heat exchange Hair, so as to cool down the heating position of the cold chamber and the electronic component；

Multiple regulating valves and automatic control system, multiple regulating valves are respectively arranged on the inlet of an evaporator, Multiple regulating valves are connected with the automatic control system respectively, by the automatic control system according to the temperature sensor Gained temperature flows into the low pressure refrigerant fluid flow of the evaporator by regulating valve control.
It is 2. according to claim 1 based on the electronic component cooling device for exerting gloomy effect, it is characterised in that it is described exert it is gloomy Thermal insulation layer is set between the cold chamber and hot chamber of compressor.
It is 3. according to claim 1 based on the electronic component cooling device for exerting gloomy effect, it is characterised in that to further include more A temperature sensor, it is each described heat sink with being equipped with a temperature sensor on each metal parts, it is every for detecting The temperature of a hot chamber and cold chamber for exerting gloomy compressor.
It is 4. according to claim 1 based on the electronic component cooling device for exerting gloomy effect, it is characterised in that to further include storage Liquid device, it is arranged between the condenser and the capillary throttle pipe.
It is 5. according to claim 1 based on the electronic component cooling device for exerting gloomy effect, it is characterised in that the metal Component is inlaid with multiple radiating fins.
It is 6. according to claim 1 based on the electronic component cooling device for exerting gloomy effect, it is characterised in that the condensation Device is disposed far from the position of the heating position of the electronic component.
It is 7. a kind of based on the electronic component cooling means for exerting gloomy effect, it is characterised in that to comprise the following steps：

The electronic component cooling device described in claim 1 is provided, which includes：It is multiple it is heat sink, Multiple metal parts, multiple exert gloomy compressor, condenser, capillary throttle pipe, multiple evaporators, multiple regulating valves and automatic control System processed；It is described exert gloomy compressor by be built in it is described it is heat sink in hot chamber and be built in the metal parts and by micro- logical The cold chamber composition that road is connected with the hot chamber；

By multiple heat sink heating positions for being respectively arranged on an electronic component；

The hot chamber absorbs the heat of electronic component so that the cold chamber and the hot chamber formation temperature difference, make exerting gloomy effect The hot chamber is entered from the microchannel by the cold chamber with the lower driving refrigerant, high-pressure refrigeration is formed after increasing temperature and pressure Agent steam is passed through the condenser；

The high-pressure refrigerant vapor condensation liquefaction is passed through the capillary throttle pipe by the condenser for high pressure refrigerant liquid；

Capillary throttle pipe controls the flow of the high pressure refrigerant liquid simultaneously to reduce its pressure, make the high pressure refrigerant liquid into Multiple evaporators are passed through for low pressure refrigerant liquid；

Multiple evaporators make the low pressure refrigerant liquid carry out heat absorption evaporation with extraneous progress heat exchange, so as to cool down institute State the heating position of cold chamber and the electronic component；

Multiple regulating valves are respectively arranged on the inlet of an evaporator, multiple regulating valves respectively with it is described automatic Control system connects, and by the automatic control system, the temperature according to obtained by the temperature sensor is controlled by the regulating valve flows Enter the low pressure refrigerant fluid flow of the evaporator.