CN205071597U - Enhancing heat emission liquid cooling radiator - Google Patents
Enhancing heat emission liquid cooling radiator Download PDFInfo
- Publication number
- CN205071597U CN205071597U CN201520868806.2U CN201520868806U CN205071597U CN 205071597 U CN205071597 U CN 205071597U CN 201520868806 U CN201520868806 U CN 201520868806U CN 205071597 U CN205071597 U CN 205071597U
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- China
- Prior art keywords
- chamber
- heat
- base plate
- runner
- liquid cooling
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Abstract
The utility model discloses an enhancing heat emission liquid cooling radiator aims at providing one kind and can effectively reduce the flow resistance, increases the liquid cooling radiator of radiator unit volume heat dissipation capacity. Include the sealed working chamber of constituteing by bottom plate and upper cover, for the evaporation chamber in the bottom plate, having a plurality of heat dissipation unit, a plurality of rib post and the baffle parallel with the bottom plate in the working chamber, forming first runner between baffle and the upper cover top inner wall, form the second runner between baffle and the bottom plate, first runner and second runner feed through formation coolant liquid runner, have covered liquid on relative with first runner to import, have covered the liquid outlet on relative with the second runner, every heat dissipation unit comprises the adiabatic chamber and the condensation chamber of intercommunication, and adiabatic chamber is located between baffle and the bottom plate, and the condensation chamber is located baffle upper portion, the lower extreme and the evaporation chamber intercommunication in adiabatic chamber, there are a plurality of rib posts that pass the baffle on the bottom plate. Within this radiator can be effectively maintains security range with the temperature by the cooling device, realize the miniaturation of radiator.
Description
Technical field
The utility model relates to Thermal Power Engineering technical field of heat dissipation, particularly relates to a kind of liquid-cooling heat radiator for the heat radiation of high heat flux device.
Background technology
Along with electronic devices and components degree of integration is more and more higher, the heat dissipation capacity of the field high heat flux device single equipments such as electronic product equipment, Aero-Space, derived energy chemical and complete machine sharply increases, and the cooling problem of high heat flux device becomes the biggest obstacle of restriction related-art technology leap.Traditional heat-dissipating mode is mainly based on wind-cooling heat dissipating, and other also comprises the radiating modes such as liquid cooling, heat pipe heat radiation, semiconductor refrigerating and mini-refrigerator system cooling, and wherein air-cooled and liquid cooling is the high heat flux device type of cooling the most common and cheap.Air-cooled is take away by fan forced convection heat exchange the heat load that cooled object produces, and wind-cooling heat dissipating itself has certain limitation, and when density of heat flow rate exceedes certain value, common wind-cooling heat dissipating will reach capacity.Compared with air-cooled radiator, liquid cooling heat radiator takes away the heat on heater element surface mainly through circulating pump drive fluid, and liquid cooling heat radiator has that noise is little, thermal resistance is low and on advantages such as ambient temperature impact are little.Tradition liquid-cooling heat radiation mainly by processing One's name is legion, different heat conduction rib post on evaporator base plate, not only increase the flow resistance of liquid and the volume of radiator itself, add the power consumption of circulating pump, and heat-transfer effect is not good, easily there is focus in heating element surface, limits the further application of liquid cooling heat radiator.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provides one effectively can reduce flow resistance, increases the liquid cooling heat radiator of radiator unit volume heat dissipation capacity.
The technical scheme adopted for realizing the purpose of this utility model is:
A kind of enhance heat liquid cooling heat radiator, comprises the working chamber of the sealing be made up of base plate and upper cover, is evaporation cavity in described base plate; Multiple heat-sink unit, multiple rib post and the dividing plate parallel with described base plate is provided with in described working chamber, first flow is formed between described dividing plate and described upper cover top inner wall, the second runner is formed between described dividing plate and base plate, described first flow and the second flow passage form cooling liquid flowing channel, relative with described first flow described on cover and be provided with liquid-inlet, relative with described second runner described on cover and be provided with liquid outlet; Each described heat-sink unit is made up of the insulation chambers be communicated with and condensation chamber, and described insulation chambers is between described dividing plate and base plate, and described condensation chamber is positioned at described dividing plate top; The lower end of described insulation chambers is communicated with the evaporation cavity in described base plate; Described base plate is provided with multiple rib post through described dividing plate; Heat-transfer working medium is filled with in described evaporation cavity, insulation chambers and described condensation chamber.
The end of described condensation chamber is provided with multiple condensation point chamber, and multiple described condensation point chamber becomes radial setting with described condensation chamber center.
The described heat-transfer working medium filled in described evaporation cavity, insulation chambers and described condensation chamber is water, liquefied ammonia, acetone, ethanol or freon refrigerant.
Described upper cover and base plate are processed by copper or stainless steel material.
The height of the evaporation cavity in described base plate is 0.5-5mm.
The utility model has following beneficial effect:
1, liquid cooling heat radiator of the present utility model is by the design of heat-sink unit, and the efficiency of phase-change heat transfer is improved greatly, and unit volume heat dissipation capacity significantly increases, and effectively can reduce the quantity of described heat conduction rib post, and that reduces flow of cooling water circulates resistance; Require harsh application scenario for heat-dissipating space, significantly can reduce the volume of liquid cooling heat radiator self under the condition of equal heat dissipation capacity.The place of more high heat load cooling requirements can be applied to, or to the comparatively harsh application scenario of heat radiation volume requirement, can effectively the temperature of cooled device be maintained within safe range, for the microminiaturization of radiator, high efficiency, there is important value.
2, in liquid cooling heat radiator of the present utility model, between the second evaporation cavity and condensation chamber, be provided with the insulation chambers that outside is coated with heat-insulating material, coolant had to the effect of flow-disturbing, augmentation of heat transfer.
Accompanying drawing explanation
Figure 1 shows that the schematic appearance of the utility model liquid cooling heat radiator;
Figure 2 shows that the vertical view of the utility model liquid cooling heat radiator;
Figure 3 shows that the A-A cutaway view of the utility model liquid cooling heat radiator;
Figure 4 shows that the B-B cutaway view in Fig. 3;
Figure 5 shows that the graphics of the utility model liquid cooling heat radiator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The schematic diagram of the utility model enhance heat liquid cooling heat radiator as Figure 1-Figure 5, comprise the working chamber of the sealing be made up of base plate 5 and upper cover 2, the bottom of described upper cover 2 is with described base plate 5 by welding or bolted, and described working chamber forms the space that coolant circulates.Be evaporation cavity 6 in described base plate 5.Multiple heat-sink unit, multiple rib post 8 and the dividing plate 9 parallel with described base plate 5 is provided with in described working chamber, first flow 11 is formed between described dividing plate 9 and described upper cover 2 top inner wall, the second runner 12 is formed between described dividing plate 9 and base plate 5, described first flow 11 is communicated with the second runner 12 and forms cooling liquid flowing channel, the described upper cover 2 relative with described first flow 11 is provided with liquid-inlet 3, the described upper cover 2 relative with described second runner 12 is provided with liquid outlet 4.Each described heat-sink unit is made up of the insulation chambers 16 be communicated with and condensation chamber 7, and described insulation chambers 16 is between described dividing plate 9 and base plate 5, and described condensation chamber 7 is positioned at described dividing plate 9 top.The lower end of described insulation chambers 16 is communicated with the evaporation cavity 6 in described base plate 5.Described base plate 5 is provided with multiple rib post 8 through described dividing plate 9.Heat-transfer working medium 14 is filled with in described evaporation cavity 6, insulation chambers 16 and described condensation chamber 7.
In order to enhance heat effect, the end of described condensation chamber 7 is provided with multiple condensation point chamber 1, and multiple condensation point chamber 1 becomes radial setting with condensation chamber 7 center.
Described evaporation cavity 6, insulation chambers 16 are water, liquefied ammonia, acetone, ethanol or freon refrigerant with the interior described heat-transfer working medium 14 filled of described condensation chamber 7.
In the present embodiment, described upper cover 2 is formed by Copper fabrication with base plate 5, described base plate 5 is distributed with 20 separate described heat-sink units, each described condensation chamber 7 spaced at equal angles around has 6 described condensation point chambeies 1, described rib post 8 is a unit with three, is evenly arranged on described base plate 5 with the arrangement mode that 9 row 5 arrange.In described base plate 5, the height of evaporation cavity 6 is 0.5-5mm.
In order to strengthen heat transfer effect, demarcation strip 10 is provided with in described second runner 12, from described second runner 12, separate the 3rd runner 13, described first flow 11, second runner 12 and the 3rd runner 13 interconnect, and described 3rd runner 13 is communicated with described liquid outlet 4.
During liquid cooling heat radiator work of the present utility model, the heat load putting on described heating surface 15 is absorbed by the heat-transfer working medium 14 in base plate evaporation cavity 6, and flash to steam, rise in condensation chamber 7 along insulation chambers inwall, heat load is delivered to top from the bottom of rib post 8 simultaneously.Liquid-inlet 2 is connected with external circulating pump, and forced cooling water is advanced along described first flow 11, carries out heat exchange in the condensation point chamber 1 of first flow inner cooling water and described condensation chamber 7 and described rib post 8; Cooling water after heat absorption changes the flow direction after running into the inwall of described upper cover 2, and current commutate from the indentation, there of described dividing plate 9 and flow along described second runner 12, carry out heat exchange at the second runner 12 inner cooling water and described rib post 8; Cooling water after heat exchange leaves liquid cooling heat radiator from liquid outlet 4, completes cooling procedure.Because the efficiency of phase-change heat transfer is far above heat conduction, put on most of heat load bottom described heating surface 15 by the phase-change heat transfer between the condensation point chamber by the evaporation cavity on described base plate, insulation chambers 16 and described condensation chamber 7, transfer heat to cooling water, and taken away by the cooling water flow through in described working chamber.Relative to traditional liquid cooling heat radiator, unit volume heat dissipation capacity significantly increases, and effectively can reduce the quantity of described heat conduction rib post 8, and that reduces flow of cooling water circulates resistance; Harsh application scenario is required, this practical volume that newly significantly can reduce described liquid cooling heat radiator under the condition of equal heat dissipation capacity for heat-dissipating space.Liquid cooling heat radiator of the present utility model can be applied to the place of more high heat load cooling requirements, or the application scenario comparatively harsh to heat radiation volume requirement, can effectively the temperature of cooled device be maintained within safe range, for the microminiaturization of radiator, high efficiency, there is important value.
The above is only preferred implementation of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. an enhance heat liquid cooling heat radiator, is characterized in that, comprises the working chamber of the sealing be made up of base plate and upper cover, is evaporation cavity in described base plate; Multiple heat-sink unit, multiple rib post and the dividing plate parallel with described base plate is provided with in described working chamber, first flow is formed between described dividing plate and described upper cover top inner wall, the second runner is formed between described dividing plate and base plate, described first flow and the second flow passage form cooling liquid flowing channel, relative with described first flow described on cover and be provided with liquid-inlet, relative with described second runner described on cover and be provided with liquid outlet; Each described heat-sink unit is made up of the insulation chambers be communicated with and condensation chamber, and described insulation chambers is between described dividing plate and base plate, and described condensation chamber is positioned at described dividing plate top; The lower end of described insulation chambers is communicated with the evaporation cavity in described base plate; Described base plate is provided with multiple rib post through described dividing plate; Heat-transfer working medium is filled with in described evaporation cavity, insulation chambers and described condensation chamber.
2. enhance heat liquid cooling heat radiator according to claim 1, is characterized in that, the end of described condensation chamber is provided with multiple condensation point chamber, and multiple described condensation point chamber becomes radial setting with described condensation chamber center.
3. enhance heat liquid cooling heat radiator according to claim 1 and 2, is characterized in that, the described heat-transfer working medium filled in described evaporation cavity, insulation chambers and described condensation chamber is water, liquefied ammonia, acetone, ethanol or freon refrigerant.
4. enhance heat liquid cooling heat radiator according to claim 3, is characterized in that, described upper cover and base plate are processed by copper or stainless steel material.
5. enhance heat liquid cooling heat radiator according to claim 3, is characterized in that, the height of the evaporation cavity in described base plate is 0.5-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868806.2U CN205071597U (en) | 2015-11-04 | 2015-11-04 | Enhancing heat emission liquid cooling radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868806.2U CN205071597U (en) | 2015-11-04 | 2015-11-04 | Enhancing heat emission liquid cooling radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205071597U true CN205071597U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520868806.2U Expired - Fee Related CN205071597U (en) | 2015-11-04 | 2015-11-04 | Enhancing heat emission liquid cooling radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205071597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246301A (en) * | 2015-11-04 | 2016-01-13 | 天津商业大学 | Reinforced heat dissipation liquid-cooled radiator |
| CN111083911A (en) * | 2019-12-23 | 2020-04-28 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
-
2015
- 2015-11-04 CN CN201520868806.2U patent/CN205071597U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246301A (en) * | 2015-11-04 | 2016-01-13 | 天津商业大学 | Reinforced heat dissipation liquid-cooled radiator |
| CN111083911A (en) * | 2019-12-23 | 2020-04-28 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
| CN111083911B (en) * | 2019-12-23 | 2020-12-29 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161104 |