CN201639917U - Combined heat pipe radiator - Google Patents
Combined heat pipe radiator Download PDFInfo
- Publication number
- CN201639917U CN201639917U CN2010290680442U CN201029068044U CN201639917U CN 201639917 U CN201639917 U CN 201639917U CN 2010290680442 U CN2010290680442 U CN 2010290680442U CN 201029068044 U CN201029068044 U CN 201029068044U CN 201639917 U CN201639917 U CN 201639917U
- Authority
- CN
- China
- Prior art keywords
- heat
- aluminium foil
- flat tube
- described heat
- heat radiating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model provides a combined heat pipe radiator, which comprises radiating flat tubes, a radiating aluminum foil and a liquid evaporation box. The radiating aluminum foil includes a plurality of corrugated forming aluminum foils. The radiating flat tubes include a plurality of extruding flat tubes with outer surfaces and inner cavities. The outer surfaces are respectively connected with the radiating aluminum foil. The liquid evaporation box is communicated with the plurality of inner cavities of the radiating flat tubes to form a sealed cavity. In the sealed cavity the heat transfer working medium is poured. The combined heat pipe radiator has the advantages of simple structure, large radiating area in the unit area and high radiating efficiency, and is particularly suitable for the thermoelectric cooler. Tested by the semiconductor refrigerating unit, the combined heat pipe radiator has more than 20 percent of the energy-saving efficiency than that of the normal aluminum heat sink. Due to the adoption of the aluminum foil and the thin-walled flat tube as the radiating main body, the combined heat pipe radiator has the advantages of light weight, small size and low material cost.
Description
Technical field
The utility model belongs to the heat dissipation technology field, is specifically related to a kind of combined hot tube radiator that is applicable to cooling electronic component.
Background technology
Along with modern power electronic great-leap-forward development with rapid changepl. never-ending changes and improvements, semiconductor application is more extensive, make electronic installation integrated electronic component number in the confined space get more and more, thereupon at the inner high heat flux that produces of device, becoming influences the machine product Performance And Reliability and restricts the major obstacles that semiconductor chip develops towards miniaturization, microminiaturized direction, and the key that solves this bottleneck is to adopt heat abstractor efficiently, the maximized discharge of heat that the thermal source of high heat flux is produced.Particularly adopt the thermoelectric refrigerating unit of being made up of semiconductor device, can the heat of its generation in time distribute, and directly determined the performance performance of refrigerator, also having a strong impact on the quality of the refrigeration of electronic refrigerator or wine cabinet simultaneously.And usually all be to adopt to conduct than the big a lot of Aluminum Heat Sink of electronic installation and combination of fans to add heat loss through convection, but heat sink bigger diffusion thermal resistance that has and the uneven characteristic of density of heat flow rate distributed pole on the cross section thereof, make the radiating effect of electronic installation be subjected to certain influence, directly limited the raising of its performance, also strengthened simultaneously form the energy consumption of product, people are actively seeking radiating mode more efficiently for this reason.Particularly advocate under the energy-conservation overall background in country, more seeming particularly needs.
Heat pipe is as a kind of efficient heat transfer medium that utilizes phase-change heat transfer, it is little to have (one) thermal resistance, thermal transmission coefficient big (its heat transfer property is higher two more than the order of magnitude than copper/aluminum), (2) good isothermal, (3) changeability of density of heat flow rate, (4) good characteristics such as direction of heat flow invertibity, so the more common heat sink radiator of heat-pipe radiator have higher heat-sinking capability with and energy-efficient advantage, be widely used in high power semiconductor component heat radiation field and develop.
The general at present heat-pipe radiator that uses is made up of circular heat pipe, radiating fin and pedestal, perhaps plate-type heat-pipe, Aluminum Heat Sink and substrate are formed, its weak point is that its circular heat pipe or plate-type heat-pipe be connected with substrate with radiating fin or Aluminum Heat Sink is a kind of assembly structure, its contact heat resistance is bigger, be subjected to the influence of manufacture craft simultaneously, make its radiating efficiency be subjected to certain restriction.And employed circular heat pipe or plate-type heat-pipe adopt copper material, cost an arm and a leg, and popularity rate is restricted.
Utility model 200720049757.5 screen type heat-pipe radiators: be meant a kind of by radiating tube, the screen type heat-pipe radiator that some heat radiation silks and liquid storage box are formed, this radiating tube is a gravity-type heat pipe, one end links to each other with the escape pipe of liquid storage box, one end links to each other with the return duct of liquid storage box, the fin of some screen types is connected with the radiating tube of coiling is vertical, carry out heat in the unidirectional cyclic process of cooling fluid in radiating tube and distribute in the hope of reaching, its radiating effect in the device of semiconductor refrigerating effect significantly better than common Aluminum Heat Sink, but its weak point: the shared space of one is excessive; Its two heat pipe and some heat radiations silk adopt and are welded to connect, complex process, and easy sealing-off; It causes its cost to be higher than conventional aluminium heat sink about 30% three owing to above-mentioned two kinds of reasons.
Utility model 200720049755.6 heat-pipe radiators: include fin unit, some heat pipes and liquid storage box and form, wherein some fin units are connected with some thermal conducting tube phases, and some heat pipes are connected with liquid storage box and constitute an inner chamber, and contain cooling fluid in this inner chamber.Its heat transfer uniformity will be got well than conventional aluminium is heat sink, but owing to be riveted joint or socket connection between its some heat pipes and the some fin, its contact heat resistance is bigger, circular heat pipe normally is plugged among the fin unit of sheet simultaneously, therefore the contact area between its two is limited, makes the heat conduction be restricted.This heat-pipe radiator also has shortcomings such as complex process, easy deformation simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of combined hot tube radiator, and it is simple in structure, and the area of dissipation of unit volume is big, and is in light weight, and the radiating efficiency height can reduce the product energy consumption that uses electronic device.
The utility model is achieved through the following technical solutions:
A kind of combined hot tube radiator includes one group of above heat-sink unit and liquid evaporation box, and described heat-sink unit includes heat pipe and heat radiation aluminium foil; Wherein, described heat pipe is the flat tube with outer surface and inner chamber, i.e. heat radiating flat tube, and described heat radiation aluminium foil is for being shaped to undulatory aluminium foil; The inner chamber of described heat radiating flat tube is connected with the liquid evaporation box and constitutes a closed cavity, is marked with heat-transfer working medium in the described closed cavity; Described heat radiation aluminium foil is arranged on the outer surface of heat radiating flat tube, and the outer surface of heat radiation aluminium foil and heat radiating flat tube connects as one.
Described heat radiation aluminium foil adopts welding manner to be connected with the outer surface of described heat radiating flat tube.
Described combined hot tube radiator comprises many group heat-sink units.
Outer surface at described liquid evaporation box also is provided with the thermal source bonding pad.
To sum up, the beneficial effects of the utility model are:
Combined hot tube radiator of the present utility model, comprise some heat radiating flat tubes, undulatory heat radiation aluminium foil and liquid evaporation box, be perfused with heat-transfer working medium in the closed cavity that described liquid evaporation box and described some heat radiating flat tubes are formed, described heat radiation aluminium foil has characteristics such as the unit volume area of dissipation is big, in light weight, volume is little, adopts with the outer surface of described heat radiation aluminium foil and described heat radiating flat tube to be welded to connect.During use, the thermal source that semiconductor elec-tronic device produces is directly delivered to the thermal source join domain on the described liquid evaporation box, after being heated and vaporizing, the feasible liquid working substance that is positioned at enclosed box body inside makes progress heat transferred to heat radiating flat tube, and then go in the surrounding environment of distributing of the heat radiation aluminium foil by described heat radiating flat tube outside, and cooled liquid working substance is under the effect of gravitational field, be back to thermal source join domain vicinity again circulates next time, the heat that circulation continuously will make electronic installation produce is distributed endlessly, make its surface keep a rational temperature scope simultaneously, strengthen air flows by the fan that adds in case of necessity, so that reach more good radiating effect.
Therefore, use combined hot tube radiator of the present utility model, have following advantage:
One: the utility model combined hot tube radiator area of dissipation is big, and radiating effect is good, the radiating efficiency height;
Its two: heat radiating flat tube extrusion modling of the present utility model processing, its hollow interior surface can be strengthened structure the reinforcement position, has not only strengthened the stability of heat radiating flat tube, can also reduce the thickness of heat radiating flat tube simultaneously;
Its three: heat radiating flat tube of the present utility model adopts with the heat radiation aluminium foil and is welded to connect, and simple in structure, technological operation is strong;
They are four years old; Main heat-sink unit of the present utility model is owing to adopt heat radiating flat tube and undulatory heat radiation aluminium foil is thin-walled parts, and is in light weight, volume is little, so lower cost for material.
Its five: the utility model is energy savings on material uses not only, and through testing on semiconductor cooling device, its more common Aluminum Heat Sink radiator saves energy efficient has improved more than 20%.
Description of drawings
Fig. 1 is the perspective view of a kind of combined hot tube radiator of the utility model;
Fig. 2 is the Facad structure schematic diagram of a kind of combined hot tube radiator of the utility model;
Fig. 3 is the A-A cross-sectional schematic of Fig. 2;
Fig. 4 is the B-B cross-sectional schematic of Fig. 2;
Fig. 5 is the C-C cross-sectional schematic of Fig. 2.
Description of reference numerals:
1, liquid evaporation box, 2, communication chamber, 3, heat radiating flat tube, 4, the heat radiation aluminium foil, 5, protective plate, 6, connect flat tube, 7, closed cavity, 11, dowel, 12, thermal source bonding pad, 21, the communication chamber loam cake, 22 communication chamber lower covers, 23, bulge, 31, reinforcement.
Embodiment
The utility model discloses a kind of combined hot tube radiator, as figure, 1,2, include one group of above heat-sink unit and liquid evaporation box 1, described heat-sink unit includes heat pipe and heat radiation aluminium foil 4; Wherein, described heat pipe is the flat tube with outer surface and inner chamber, and promptly heat radiating flat tube 3, and described heat radiation aluminium foil 4 is for being shaped to undulatory aluminium foil; The inner chamber of described heat radiating flat tube 3 is connected with liquid evaporation box 1 and constitutes a closed cavity, is marked with heat-transfer working medium in the described closed cavity; Described heat radiation aluminium foil 4 is arranged on the outer surface of heat radiating flat tube 3, and the outer surface of heat radiation aluminium foil 4 and heat radiating flat tube 3 connects as one.
Described heat radiation aluminium foil 4 adopts welding manner to be connected with the outer surface of described heat radiating flat tube 3.
Described combined hot tube radiator comprises a communication chamber 2, is connected between described heat radiating flat tube 3 and the liquid evaporation box 1, and constitutes a closed cavity jointly with heat radiating flat tube 3 and liquid evaporation box 1.
Described combined hot tube radiator comprises many group heat-sink units.
The described heat-sink unit of many groups includes many heat radiating flat tubes 3 altogether, and many described heat radiating flat tubes 3 are arranged parallel to each other, and perpendicular to the contact-making surface of described communication chamber 2; Described heat radiation aluminium foil 4 is spaced between many described heat radiating flat tubes 3.
Outer surface at described liquid evaporation box 1 is provided with the thermal source bonding pad.
Be provided with a plurality of dowels position 11 in the inner chamber of described heat radiating flat tube.
Shown in Fig. 1 to 5, the utility model combined hot tube radiator comprises heat radiating flat tube 3, heat radiation aluminium foil 4 and liquid evaporation box 1, described heat radiating flat tube 3 is connected with described heat radiation aluminium foil 4, described heat radiating flat tube 3 is made up of the flat tube with outer surface and inner chamber of some extrusion modlings, and its cross sectional shape is square or has the flat ellipse on plane; Described heat radiation aluminium foil 4 is made up of some undulatory banded moulding aluminium foils, not only wall thickness (≤0.15mm), in light weight, and undulatory shape has prolonged the length of banded aluminium foil, increased the area of dissipation of unit volume, the bellows-shaped of its every aluminium foil all has the crest and the trough of equal height, the crest of convenient every aluminium foil can both contact with the outer surface of described heat radiating flat tube 3 simultaneously with trough and link to each other, and described heat radiation aluminium foil 4 is spaced between described heat radiating flat tube 3, can contact fully with described heat radiation aluminium foil 4 in the hope of reaching described heat radiating flat tube 3, make between the two exchange heat more abundant.In order to reduce thermal resistance, adopt between described heat radiating flat tube 3 and the described heat radiation aluminium foil 4 to be welded to connect, and preferentially take Vacuum Soldering Technology simultaneously.
Described liquid evaporation box 1 is an enclosed box body, which is provided with thermal source bonding pad 12, is connected with the heating components and parts with convenient.
The inner chamber of described heat radiating flat tube 3 communicates with the inner chamber of described liquid evaporation box 1; for the ease of the size difference between structural configuration and described heat radiating flat tube 3 and the described liquid evaporation box 1; between the two, also be provided with communication chamber 2 usually; the enclosed box body that described communication chamber 2 is made up of communication chamber loam cake 21 and communication chamber lower cover 22; described heat radiating flat tube 3 has at least an end to link to each other with described communication chamber loam cake 21, and described liquid evaporation box 1 links to each other with described communication chamber lower cover 22.Reasonable for ease of integral structure layout, the utility model adopts an end of described heat radiating flat tube 3 to link to each other with described communication chamber loam cake 21, and parallel vertical is arranged in the top of described communication chamber 2, the processing of other end employing welded seal.Thereby formed a closed cavity that is connected 7.
While is according to the size of heat radiation power, rationally determine area of dissipation, so that determine the specification and the quantity of described heat radiating flat tube 3 and described heat radiation aluminium foil 4, the width of the heat radiating flat tube that the utility model adopts is 26mm, in view of the height specification of current undulatory described heat radiation aluminium foil 4 on the market limited, 6mm is only arranged, three kinds of specifications of 8mm and 9mm, consider in order to strengthen area of dissipation, the utility model has specially increased the quantity of described heat radiation aluminium foil 4, make the both sides of every heat radiating flat tube 3 all be connected with two aluminium foils 4 that independently dispel the heat, promptly constitute a relatively independent heat-sink unit, be provided with connection flat tube 6 between adjacent two heat-sink units; Be connected flat tube 6 by the thin-walled of similar and described heat radiating flat tube 3 profiles again between each heat-sink unit and interconnect, preventing from manufacturing process, to cause the crimp of described heat radiation aluminium foil 4, and have influence on the outward appearance of heat dispersion and product.Equally, the outside then adopts protective plate 5 to be connected with the described heat radiation aluminium foil 4 that exposes, and is convenient to the described heat radiation aluminium foil 4 that exposes is carried out necessary protection and reinforcing.
In described closed cavity 7, be filled with liquid heat transfer working medium,, will vacuumize processing in advance in the described closed cavity 7,, and realize liquid-gas phase transition by difference variation so that reduce the boiling point of heat-transfer working medium in order to form the heat pipe effect.Therefore, must carry out necessary detection to the sealing of described closed cavity 7, guarantee dimensionally stable in order to make described heat radiating flat tube 3 in the process that sealing detects and vacuumizes, the inner chamber of described heat radiating flat tube 3 of the present utility model also is provided with reinforcement 31.Also be convenient to simultaneously the wall thickness of the described heat radiating flat tube 3 of attenuate, reduce material cost.Equally, cover on described communication chamber 2 that to increase bulge 23 and add dowel 11 at the inner chamber of described liquid evaporation box 1 also be for same purpose.
During actual the use, described liquid evaporation box 1 of the present utility model is positioned at the below, described heat radiation aluminium foil 4 is positioned at top with described heat radiating flat tube 3, the thermal source join domain 12 that will be positioned at earlier during work on the described liquid evaporation box 1 in bottom fully contacts with the semiconductor heater members, because gravitational field effect, make liquid heat transfer working medium all be in the inner chamber bottom of the described liquid evaporation box 1 at place, described thermal source join domain 12 places this moment, after being heated, the ascension of will vaporizing of liquid heat transfer working medium, will be along passing through described communication chamber 2 at described closed cavity 7, finally enter in the inner chamber 32 of described heat radiating flat tube 3, because described closed cavity 7 is an enclosed cavity that is communicated with, and be under the environment of relative vacuum, so the saturated pressure basically identical in the whole cavity, thereby temperature everywhere is also basic identical.And the outside of superposed described heat radiating flat tube 3 is owing to be connected with large tracts of land heat radiation aluminium foil 4, so behind the space outerpace around being dispersed into endlessly by described heat radiation aluminium foil 4 by the entrained heat of saturated pressure, meet condensation at the inwall of described heat radiating flat tube 3 again and form liquid, under the effect of gravitational field, be back to again in the described liquid evaporation box and circulate next time.Liquid heat transfer working medium is constantly carried out the Liquid-Vapor Phase Transition circulation like this, the utility model surface is maintained in the same temperature range, and the more important thing is that the temperature that can make the heater members surface drops in the rational temperature scope, so that keep its normal work, improve its operating efficiency.Through our actual test, the utility model is when the hot-side heat dissipation of semiconductor refrigerating beer machine, and the more common Aluminum Heat Sink radiator saves energy of its power consumption has surpassed 20%.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection range of the present utility model.
Claims (10)
1. a combined hot tube radiator includes one group of above heat-sink unit and liquid evaporation box (1), and described heat-sink unit includes heat pipe and heat radiation aluminium foil (4); It is characterized in that: described heat pipe is the flat tube with outer surface and inner chamber, i.e. heat radiating flat tube (3), and described heat radiation aluminium foil (4) is for being shaped to undulatory aluminium foil; The inner chamber of described heat radiating flat tube (3) is connected with liquid evaporation box (1) and constitutes a closed cavity, is marked with heat-transfer working medium in the described closed cavity; Described heat radiation aluminium foil (4) is arranged on the outer surface of heat radiating flat tube (3), and the outer surface of heat radiation aluminium foil (4) and heat radiating flat tube (3) connects as one.
2. a kind of combined hot tube radiator according to claim 1 is characterized in that: described heat radiation aluminium foil (4) adopts welding manner to be connected with the outer surface of described heat radiating flat tube (3).
3. a kind of combined hot tube radiator according to claim 1 and 2, it is characterized in that: described combined hot tube radiator comprises a communication chamber (2), be connected between described heat radiating flat tube (3) and the liquid evaporation box (1), and constitute a closed cavity jointly with heat radiating flat tube (3) and liquid evaporation box (1).
4. a kind of combined hot tube radiator according to claim 3 is characterized in that: described combined hot tube radiator comprises many group heat-sink units.
5. a kind of combined hot tube radiator according to claim 4, it is characterized in that: organize described heat-sink unit more and include many heat radiating flat tubes (3) altogether, many described heat radiating flat tubes (3) are arranged parallel to each other, and perpendicular to the contact-making surface of described communication chamber (2); Described heat radiation aluminium foil (4) is spaced between many described heat radiating flat tubes (3).
6. a kind of combined hot tube radiator according to claim 4 is characterized in that: the outer surface at described liquid evaporation box (1) is provided with the thermal source bonding pad.
7. a kind of combined hot tube radiator according to claim 4 is characterized in that: be provided with a plurality of dowels position (11) in the inner chamber of described heat radiating flat tube.
8. a kind of combined hot tube radiator according to claim 5 is characterized in that: described heat radiating flat tube (3) cross sectional shape is square or has the flat ellipse on plane; Described heat radiation aluminium foil (4) is made up of undulatory banded moulding aluminium foil, wall thickness≤0.15mm, and the bellows-shaped of every aluminium foil all has the crest and the trough of equal height.
9. a kind of combined hot tube radiator according to claim 5, it is characterized in that: the enclosed box body that described communication chamber (2) is made up of communication chamber loam cake (21) and communication chamber lower cover (22), one end of described heat radiating flat tube (3) links to each other with described communication chamber loam cake (21), and parallel vertical is arranged in the top of described communication chamber (2), the processing of other end employing welded seal; Described liquid evaporation box (1) links to each other with described communication chamber lower cover (22).
10. a kind of combined hot tube radiator according to claim 4, it is characterized in that: the both sides of every described heat radiating flat tube (3) all are connected with two aluminium foils (4) that independently dispel the heat, promptly constitute a relatively independent heat-sink unit, be provided with connection flat tube (6) between adjacent two heat-sink units; The outermost of heat-sink unit is provided with to be convenient to the described heat radiation aluminium foil (4) that exposes is carried out the necessary protection and the protective plate (5) of reinforcing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680442U CN201639917U (en) | 2010-02-02 | 2010-02-02 | Combined heat pipe radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680442U CN201639917U (en) | 2010-02-02 | 2010-02-02 | Combined heat pipe radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639917U true CN201639917U (en) | 2010-11-17 |
Family
ID=43084425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290680442U Expired - Fee Related CN201639917U (en) | 2010-02-02 | 2010-02-02 | Combined heat pipe radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456482A (en) * | 2014-12-10 | 2015-03-25 | 上海康耐司信号设备有限公司 | Heat pipe radiator for high-power LED (light emitting diode) lamp |
-
2010
- 2010-02-02 CN CN2010290680442U patent/CN201639917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456482A (en) * | 2014-12-10 | 2015-03-25 | 上海康耐司信号设备有限公司 | Heat pipe radiator for high-power LED (light emitting diode) lamp |
| CN104456482B (en) * | 2014-12-10 | 2017-11-14 | 上海康耐司信号设备有限公司 | A kind of heat-pipe radiator for high-power LED lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103167780A (en) | Combined type radiator for power module and combined type radiator assembly | |
| CN201497248U (en) | Refrigeration device and electronic wine cabinet | |
| TWI801696B (en) | Phase change cooling device | |
| CN104197612B (en) | A kind of high efficiency and heat radiation assembly of semiconductor freezer | |
| WO2020211489A1 (en) | Outdoor air-conditioning unit and air conditioner | |
| CN109152294A (en) | The hot superconducting radiator of liquid-cooled | |
| CN104154787A (en) | Multi-stage evaporation micro-channel heat pipe heat transferring and radiating device | |
| WO2022007721A1 (en) | Heat sink and communication device | |
| CN105491843A (en) | Sealing machine cabinet with heat superconducting heat exchanger | |
| CN208093545U (en) | Large power heat pipe radiator | |
| CN207881290U (en) | Flat heat pipe expansion type condensing device | |
| CN103269573A (en) | Temperature equalization superconductive heat radiator | |
| CN202485512U (en) | Tank-channel type vapor chamber type heat pipe heat radiator | |
| CN214199797U (en) | Air-cooled heat pipe radiator for electronic component | |
| CN105246301B (en) | One kind reinforcing radiating liquid cooling heat radiator | |
| CN201569340U (en) | Flat heating pipe type heat dissipater | |
| CN210014476U (en) | Radiator, air condensing units and air conditioner | |
| CN201639917U (en) | Combined heat pipe radiator | |
| CN210014475U (en) | Radiator, air condensing units and air conditioner | |
| CN210014477U (en) | Radiator, air condensing units and air conditioner | |
| CN202142519U (en) | Thin type hot plate structure | |
| CN206919718U (en) | A kind of flow passage structure of close-coupled heat-exchanger rig | |
| CN100498125C (en) | Evaporation box of hot end heat sink for semiconductor electronic refrigerator | |
| CN207118203U (en) | Phase change evaporator and phase-change heat sink | |
| CN201837956U (en) | External radiator of notebook computer and portable small heat emitting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou Dehao Runda Optoelectronic Co., Ltd. Assignor: Guangdong Electech International Inc. Contract record no.: 2012320000645 Denomination of utility model: Combined heat pipe radiator Granted publication date: 20101117 License type: Exclusive License Record date: 20120524 |
|
| ASS | Succession or assignment of patent right |
Owner name: YANGZHOU DEHAO RUNDA OPTOELECTRONIC CO., LTD. Free format text: FORMER OWNER: GUANGDONG ELECTECH INTERNATIONAL INC. Effective date: 20131028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519000 ZHUHAI, GUANGDONG PROVINCE TO: 225000 YANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131028 Address after: Nanyuan Hanjiang Economic Development Zone, Jiangsu province Yangzhou two longitudinal road 225000 No. eight Patentee after: Yangzhou Dehao Runda Optoelectronic Co., Ltd. Address before: Xiangzhou District 519000 of Guangdong city of Zhuhai Province Tang Jia Wan Jin Feng Lu No. 1 Patentee before: Guangdong Electech International Inc. |
|
| 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: 20101117 Termination date: 20160202 |