CN201497410U - Radiating device - Google Patents
Radiating device Download PDFInfo
- Publication number
- CN201497410U CN201497410U CN2009203111886U CN200920311188U CN201497410U CN 201497410 U CN201497410 U CN 201497410U CN 2009203111886 U CN2009203111886 U CN 2009203111886U CN 200920311188 U CN200920311188 U CN 200920311188U CN 201497410 U CN201497410 U CN 201497410U
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- Prior art keywords
- heat
- piston
- radiating
- thermal conductive
- eliminating medium
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Abstract
The utility model discloses a radiating device with better radiating effect by comprehensively utilizing the water-cooling radiating principle and the heat pipe radiating principle. The radiating device comprises a radiating head arranged in a shell; the inner cavities of the shell are respectively communicated with a radiating medium cavity and a heat conducting cavity; a piston device is arranged on the radiating medium cavity and consists of a piston cavity wall and a piston matched with each other; the radiating medium cavity is communicated with the piston cavity of the piston device; and the heat conducting cavity is located above the shell and is communicated with or isolated from the piston cavity through a heat conducting cavity outlet which can be opened or closed. The utility model has favorable radiating effect by centralizing the water-cooling radiating manner and the heat pipe radiating manner, utilizes the piston device as the power device, has compact structure and little noise, adopts proper radiating medium for chemical heat absorption, ensures rapid radiating speed and is adapted to various occasions for radiation.
Description
Technical field
The utility model relates to a kind of heat abstractor.
Background technology
At present, heat abstractor is widely used in occasions such as computer CPU, automobile, great power LED, projector cool down.Common radiating mode comprises three kinds of heat pipe heat radiation, water-cooling and wind-cooling heat dissipatings, can see at present with heat pipe heat radiation and cooperate wind-cooling heat dissipating and improve the radiator of radiating effect, can not adopt heat pipe heat radiation, water cooling method simultaneously and in conjunction with the heat abstractor of air-cooled radiator structural advantages but see as yet.
The utility model content
In order to overcome the deficiency that existing heat abstractor generally only adopts a kind of radiating mode, technical problem to be solved in the utility model provides a kind of heat abstractor that has fully utilized water-cooling principle and heat pipe heat radiation principle, had better radiating effect.
The technical scheme that its technical problem that solves the utility model adopts is: heat abstractor, heat abstractor, comprise the heat dissipation head that places in the shell, the inner chamber of described shell communicates with heat eliminating medium cavity volume and thermal conductive cavity respectively, piston apparatus is arranged on the heat eliminating medium cavity volume, described piston apparatus is made up of the plunger shaft wall and the piston that are complementary, and heat eliminating medium holds and is communicated with the plunger shaft of piston apparatus, and described thermal conductive cavity is positioned at the top of shell and is communicated with plunger shaft or completely cuts off by thermal conductive cavity outlet to be opened/closed.
Described thermal conductive cavity outlet is arranged on the plunger shaft wall, and the thickness of piston is greater than the haul distance of piston.
At least a portion of described plunger shaft wall is made of the heat radiation wall.
Described thermal conductive cavity exit is provided with and promotes the valve or the valve piston of the device interlock of liquid heat eliminating medium motion.
Be connected by instlated tubular between described shell and the thermal conductive cavity; Also be connected between described shell and the heat eliminating medium cavity volume by instlated tubular.
Described heat dissipation head is a copper core aluminium fin pole-shaped radiator.
At least a portion wall of described heat eliminating medium cavity volume is made of the heat radiation wall.
Described heat eliminating medium adopts NaHC0
3The aqueous solution or ethanol water.
The beneficial effects of the utility model are: the advantage of having concentrated water cooling method and heat pipe heat radiation mode, and can adopt existing high-efficiency air cooling heat spreader structures good as heat dissipation head, radiating effect, select for use piston apparatus as power set, compact conformation, noise are low, select for use suitable heat eliminating medium can also carry out the chemistry heat absorption, radiating rate is fast.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model, and wherein piston is in the next end point of travel.
Fig. 2 is a schematic diagram of the present utility model, and wherein piston is in upper end point of travel.
Fig. 3 is a schematic diagram of the present utility model, wherein the piston position that mediates.
Fig. 4～Fig. 6 is the schematic diagram that the thermal conductive cavity outlet is used the valve piston sealing or opened.
Fig. 7～Fig. 9 is the schematic diagram that the thermal conductive cavity outlet is used the valve sealing or opened.
Be labeled as among the figure, 1-heat eliminating medium cavity volume, 2-piston apparatus, 3-thermal conductive cavity, 4-instlated tubular, 5-heat dissipation head, 6-shell, 7-need thermal component, the 8-wall that dispel the heat, the 9-valve piston, and the 10-valve, the 20-plunger shaft, 21-plunger shaft wall, the 22-piston, the 30-thermal conductive cavity exports.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1～shown in Figure 9, heat abstractor of the present utility model, heat abstractor, comprise the heat dissipation head 5 that places in the shell 6, the inner chamber of described shell 6 communicates with heat eliminating medium cavity volume 1 and thermal conductive cavity 3 respectively, piston apparatus 2 is arranged on the heat eliminating medium cavity volume 1, described piston apparatus 2 is made up of plunger shaft wall 21 that is complementary and piston 22, heat eliminating medium cavity volume 1 is communicated with the plunger shaft 20 of piston apparatus 2, and described thermal conductive cavity 3 is positioned at the top of shell 6 and is communicated with or completely cuts off with plunger shaft 20 by thermal conductive cavity to be opened/closed outlet 30.
During use, heat dissipation head 5 is fitted tightly need thermal component 7, liquid heat eliminating medium flows between shell 6 and heat eliminating medium cavity volume 1 as morning and evening tides under piston apparatus 2 effects back and forth, heat dissipation head 5 is carried out water-cooling, in the time of outside heat eliminating medium flows out shell 6, being trapped in heat eliminating medium on the heat dissipation head 5 undergoes phase transition and gasifies and enter thermal conductive cavity 3, when piston 22 moves to its upper end point of travel, thermal conductive cavity outlet 30 is opened, the gas that produces that gasifies can the thermal conductive cavity outlet 30 through opening escape into plunger shaft 20 and heat radiation and partial liquefaction inflow heat eliminating medium cavity volume 1, the radiating principle that is equal to heat pipe, when piston 22 is down moved once more by its upper end point of travel, thermal conductive cavity outlet 30 sealings, in the plunger shaft 20 not the gas of liquefaction can be pressed in the liquid heat eliminating medium by piston 22 and cooling liquid or be dissolved in the liquid heat eliminating medium, promptly in thermal conductive cavity 3, can repeat to produce environment under low pressure, help being trapped in heat eliminating medium on the heat dissipation head 5 and undergo phase transition and gasify, thereby improved radiating effect.
Alleged plunger shaft 20 means the space that is limited by the plunger shaft wall 21 between two end point of travel of piston 22, and thermal conductive cavity outlet 30 both can be set directly on the plunger shaft wall 21, also can be connected to plunger shaft 20 by other connecting line etc.
As Fig. 1～shown in Figure 3, described thermal conductive cavity outlet 30 is arranged on the plunger shaft wall 21, the thickness of piston 22 is greater than the haul distance of piston 22, the device that promptly directly utilizes piston 22 to seal or open as thermal conductive cavity outlet 30, when piston 22 is in when upper, thermal conductive cavity outlet 30 is opened, and thermal conductive cavity 3 is communicated with plunger shaft 20, and the heat eliminating medium liquid level drops to described heat dissipation head below 5; When piston 22 is in when the next, thermal conductive cavity outlet 30 sealings, the described heat dissipation head 5 of heat eliminating medium submergence, ingenious piston apparatus and the law of connected vessels of utilizing realized the interlock of heat eliminating medium flow direction and thermal conductive cavity outlet 30 switchings is controlled, and has the advantage of compact conformation, reliable in action.For guaranteeing to produce preferably the low pressure effect, the thermal conductive cavity outlet 30 of this moment generally can be arranged near the upper end point of travel of piston 22.
As Fig. 4～shown in Figure 9, can export 30 places at described thermal conductive cavity and be provided with valve piston 9 or valve 10 with piston 22 interlocks, export 30 opening or sealing with valve piston 9 or valve 10 control thermal conductive cavities, also can realize the utility model.So-called interlock promptly is in when upper when piston 22, and thermal conductive cavity outlet 30 is opened, and thermal conductive cavity 3 is communicated with plunger shaft 20, and when piston 22 is in when the next, thermal conductive cavity outlet 30 is sealed, and thermal conductive cavity 3 and plunger shaft 20 completely cut off.Certainly, be a process because thermal conductive cavity outlet 30 is opened, sealed, piston 22 moves to the next and flowing of heat eliminating medium that cause also is a process by upper, and this interlock can't need not show as temporal absolute simultaneity yet.
Piston 22 active movements make heat eliminating medium be back to the mode of heat absorbing end, can dynamically produce heat pipe structure, make the heat-exchange capacity of above-mentioned heat abstractor be higher than the heat pipe that adopts identical heat eliminating medium, and the heat exchange space are bigger than heat pipe, has improved radiating efficiency
For improving radiating effect, at least a portion of described plunger shaft wall 21 is made of heat radiation wall 8, and the material of described heat radiation wall 8 can be selected metallic walls.
For preventing that heat passback is delivered to described heat dissipation head 5, be connected by instlated tubular 4 between described shell 6 and the thermal conductive cavity 3; Also be connected between described shell 6 and the heat eliminating medium cavity volume 1 by instlated tubular 4.
For improving radiating effect, described heat dissipation head 5 preferably copper core aluminium fin pole-shaped radiators.
For improving radiating effect, at least a portion wall of described heat eliminating medium cavity volume 1 is made of heat radiation wall 8.
In order to improve radiating effect, described heat eliminating medium adopts the heat eliminating medium with chemical heat sinking function or pure physics high efficiency and heat radiation.The representative substances of two class heat eliminating mediums is respectively NaHCO
3The aqueous solution or ethanol water.
For common heat eliminating medium such as water etc., NaHCO
3The aqueous solution has chemical heat absorption capacity, NaHCO
3The steam and the CO that produce during aqueous solution gasification
2Can be because of the piston motion be pressed in the solution again, efficient is higher, and little to the corrosion influence of device.
Less with some cohesive force, volatile organic solution is compared, NaHCO
3The aqueous solution or ethanol water almost do not have harm to human body, environment.
Described heat eliminating medium also can select to use other salting liquid or organic solution based on the similar principle that mixes.
Certainly, aforesaid salting liquid or organic solution preferably adopt saturated solution, to reach maximum heat absorption capacity.
Above-mentioned heat abstractor is compared with existing air cooling equipment, and it is noiselessness almost, and needn't consider complicated system-level heat dissipation channel design, can easily be applied to the multiple heat radiation occasion that needs.
Above-mentioned heat abstractor with existing water cooling plant relatively, traditional water-filled radiator generally adopts the unidirectional endless form of current, cause hot-spot for avoiding liquid to remain in a standstill to circle round, usually adopt flat cross section or similarly cross section design, simultaneously, for reaching better radiating effect, adopt the labyrinth type design to increase area of dissipation to the inner fin of water-cooled head, this just requires water velocity in time to take away heat than very fast ability; And heat abstractor of the present utility model adopts the water intake mode of tidal type, the structure of heat dissipation head can use for reference the structure of existing high-efficiency air cooling radiator, promptly adopts volume bigger, and area of dissipation is big, the heat dissipation head that structure is complicated.
Above-mentioned heat abstractor compares with existing heat-pipe apparatus, and area of dissipation is big, dynamically produces environment under low pressure, needn't worry that heat pipe owing to reasons such as leakage cause vacuum not enough, influences the evaporation effect of working media, and this installs stable and reliable working performance.
Embodiment:
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises the NaHCO that is housed in the heat eliminating medium cavity volume 1
3Saturated aqueous solution.Heat dissipation head 5 with shell 6 is set above heat eliminating medium cavity volume 1, described heat dissipation head 5 adopts copper core aluminium fin pole-shaped radiator, heat dissipation head 5 fits tightly needs thermal component 7, shell 6 connects heat eliminating medium cavity volume 1 and thermal conductive cavity 3 respectively by instlated tubular 4, instlated tubular 4 can adopt making such as sebific duct, heat eliminating medium flows under the effect of piston apparatus 2 or flows out shell 6, described piston apparatus 2 is made up of plunger shaft wall 21 that is complementary and piston 22, the wall of plunger shaft wall 21 and heat eliminating medium cavity volume 1 constitutes by heat radiation wall 8, heat radiation wall 8 can adopt metallic walls, heat eliminating medium cavity volume 1 is communicated with plunger shaft 20, described thermal conductive cavity 3 has a thermal conductive cavity outlet 30 to be opened/closed, thermal conductive cavity outlet 30 is arranged on the plunger shaft wall 21, the thickness of described piston 22 is greater than the haul distance of piston 22, and when piston 22 is in when upper, thermal conductive cavity outlet 30 is opened, thermal conductive cavity 3 is communicated with plunger shaft 20, and the heat eliminating medium liquid level drops to described heat dissipation head below 5; When piston 22 is in when the next, thermal conductive cavity outlet 30 sealings, the described heat dissipation head 5 of heat eliminating medium submergence.Fig. 1, Fig. 2 and Fig. 3 are respectively the schematic diagram of piston 22 when being in the next end point of travel, interposition and upper end point of travel.
Its heat radiation process is as follows:
Step 1: as shown in Figure 1, under the original state, piston apparatus 2 is advanced into the next end point of travel, fills it up with NaHCO
3Saturated aqueous solution only allows to have in the thermal conductive cavity 3 little air to exist.
Step 2: when needs dispel the heat, piston is moved to upper end point of travel, as shown in Figure 2, and based on law of connected vessels, left and right sides liquid level unanimity, thermal conductive cavity 3 internal gas pressures are very low, are attached with NaHCO on the radiating fin of heat dissipation head 5
3Saturated aqueous solution, the cohesive force that this solution thin layer forms is less, evaporate than being easier under the low pressure condition, and it is subjected to NaHCO
3The hydrolysis influence is less, is beneficial to the generation decomposition reaction, that is:
In this course of reaction, can absorb heat from radiating fin.Hot steam and CO
2Enter plunger shaft 20 by thermal conductive cavity 3, heat radiation wall 8 parts by plunger shaft wall 21 discharge heat, because employing instlated tubular 4 is connected between thermal conductive cavity 3 and the shell 6, heat can return hardly and be transmitted on the heat dissipation head 5, has played the effect of thermal diode.In addition, because NaHCO
3Saturated aqueous solution refluxes back in the heat eliminating medium cavity volume 1, NaHCO
3Saturated aqueous solution has played the effect of water-cooled, and is same, owing to adopt instlated tubular 4 to be connected between heat eliminating medium cavity volume 1 and the shell 6, the most of equal unidirectional delivery of heat to heat eliminating medium cavity volume 1 discharges through its wall 8 parts of dispelling the heat.
Step 3: piston 22 is slowly pressed down by upper end point of travel place, makes NaHCO
3The radiating fin of the complete submergence heat dissipation head 5 of saturated aqueous solution, as shown in Figure 3, with CO
2Be pressed into NaHCO by piston as far as possible
3In the saturated aqueous solution, that is:
So that produce the environment under low pressure of thermal conductive cavity 3 in the step 2 again.
Need to continue heat radiation, then repeating step two, step 3, reciprocating motion of the pistons has reached the purpose of heat radiation.Experiment showed, that radiating effect is good, the noise of low speed piston motion is very low.
As if conditions permit, also can directly place in the described shell 6 as heat dissipation head 5 in the practical application with need thermal component 7.
Claims (8)
1. heat abstractor, comprise the heat dissipation head (5) that places in the shell (6), it is characterized in that: the inner chamber of described shell (6) communicates with heat eliminating medium cavity volume (1) and thermal conductive cavity (3) respectively, piston apparatus (2) is arranged on the heat eliminating medium cavity volume (1), described piston apparatus (2) is made up of plunger shaft wall (21) that is complementary and piston (22), heat eliminating medium cavity volume (1) is communicated with the plunger shaft (20) of piston apparatus (2), and described thermal conductive cavity (3) is positioned at the top of shell (6) and is communicated with plunger shaft (20) or completely cuts off by thermal conductive cavity outlet to be opened/closed (30).
2. heat abstractor as claimed in claim 1 is characterized in that: described thermal conductive cavity outlet (30) is arranged on the plunger shaft wall (21), and the thickness of piston (22) is greater than the haul distance of piston (22).
3. heat abstractor as claimed in claim 1 is characterized in that: described thermal conductive cavity outlet (30) locates to be provided with valve (10) or the valve piston (9) with piston (22) interlock.
4. heat abstractor as claimed in claim 1 is characterized in that: at least a portion of described plunger shaft wall (21) is made of heat radiation wall (8).
5. as claim 1,2,3 or 4 described heat abstractors, it is characterized in that: be connected by instlated tubular (4) between described shell (6) and the thermal conductive cavity (3); Also be connected between described shell (6) and the heat eliminating medium cavity volume (1) by instlated tubular (4).
6. as claim 1,2,3 or 4 described heat abstractors, it is characterized in that: described heat dissipation head (5) is a copper core aluminium fin pole-shaped radiator.
7. as claim 1,2,3 or 4 described heat abstractors, it is characterized in that: at least a portion wall of described heat eliminating medium cavity volume (1) is made of heat radiation wall (8).
8. as claim 1,2,3 or 4 described heat abstractors, it is characterized in that: described heat eliminating medium adopts NaHCO
3The aqueous solution or ethanol water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203111886U CN201497410U (en) | 2009-09-23 | 2009-09-23 | Radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203111886U CN201497410U (en) | 2009-09-23 | 2009-09-23 | Radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497410U true CN201497410U (en) | 2010-06-02 |
Family
ID=42440615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203111886U Expired - Fee Related CN201497410U (en) | 2009-09-23 | 2009-09-23 | Radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201497410U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296568A (en) * | 2014-09-22 | 2015-01-21 | 东南大学 | Forced convection heat pipe |
| CN109757081A (en) * | 2019-01-10 | 2019-05-14 | 中国海洋大学 | Underwater sealing cabin piston heat-exchanger rig |
| CN110167325A (en) * | 2019-06-24 | 2019-08-23 | Oppo广东移动通信有限公司 | Radiator and electronic equipment |
| CN117927922A (en) * | 2024-03-07 | 2024-04-26 | 惠州市沃生照明有限公司 | Energy-saving wall lamp with good heat dissipation performance |
-
2009
- 2009-09-23 CN CN2009203111886U patent/CN201497410U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296568A (en) * | 2014-09-22 | 2015-01-21 | 东南大学 | Forced convection heat pipe |
| CN104296568B (en) * | 2014-09-22 | 2016-01-20 | 东南大学 | A kind of forced convertion heat pipe |
| CN109757081A (en) * | 2019-01-10 | 2019-05-14 | 中国海洋大学 | Underwater sealing cabin piston heat-exchanger rig |
| CN109757081B (en) * | 2019-01-10 | 2024-01-05 | 中国海洋大学 | Piston heat exchange device of underwater sealed cabin |
| CN110167325A (en) * | 2019-06-24 | 2019-08-23 | Oppo广东移动通信有限公司 | Radiator and electronic equipment |
| CN117927922A (en) * | 2024-03-07 | 2024-04-26 | 惠州市沃生照明有限公司 | Energy-saving wall lamp with good heat dissipation performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130923 |