CN204887824U - Heat sink - Google Patents
Heat sink Download PDFInfo
- Publication number
- CN204887824U CN204887824U CN201520157322.7U CN201520157322U CN204887824U CN 204887824 U CN204887824 U CN 204887824U CN 201520157322 U CN201520157322 U CN 201520157322U CN 204887824 U CN204887824 U CN 204887824U
- Authority
- CN
- China
- Prior art keywords
- leaflet unit
- framework
- hot leaflet
- hot
- heat abstractor
- 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
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Abstract
The utility model provides a heat sink, contains an at least heat dissipation unit, other contain an at least frame with heat dissipation unit butt joint, then with this heat dissipation unit with frame handing -over department imposes the spot welding mode to be connected, makes its heat dissipation unit be fixed in on the frame, see through the utility model discloses a design can effectively reduce step that heat dissipation unit and frame set connect and subtract the material cost and processing procedure cost that need consume the rubber coating material or use the sticky tape.
Description
[technical field]
The utility model has about a kind of heat abstractor, and espespecially one can reduce fabrication steps and the heat abstractor reducing manufacturing cost.
[background technology]
Because existing hand held device (as mobile phone, panel computer, PDA) is along with scientific and technological progress, user its incline like frivolous with computing and under the more and more higher requirement of usefulness, cause the inner member of hand held device, the such as element such as central processing unit, integrated circuit, during running because of space in device or mechanism very limited (requirement because of frivolous) with perform or arithmetic speed too fast under all can produce high heat, therefore primarily first the heat of element must be left, operational paradigm and the useful life of element can be maintained just now.
And there is the hand held device of radiator structure at present, comprise a housing, center, the heat-conducting piece that one heater element and metal material or composite material are formed, this heater element (as central processing unit or integrated circuit or other electronic components) is installed with in the cavity volume of this housing and on center as described in being attached at, and its heat-conducting piece is corresponding with described center engages, its docking mode can distinguish two, one mode is for utilizing glue material (Epoxy, epoxy resin) or adhesive tape its heat-conducting piece is fixed on described center, but it needs the material cost expending gluing material in addition or use adhesive tape.
Again or on heat-conducting piece and center docking mode, the technology of tin welding (Soldering) also can be utilized to connect fixing to carry out group, general tin welding (Soldering) is after one utilizes brazing metal heat fused, infiltrate and the welding method in gap, added metal part junction, and welding material (Solder) uses kamash alloy usually, deposite metal workpiece is not needed when tin welding, but in welding process, need the part heating linked again, and solder heat flows to heat-conducting piece after melting and center joint makes it to combine, but its heat-conducting piece of this technical approach need contact through high temperature with center, it easily causes the skew that position is mutual each other, welding material more and between its heat-conducting piece and center also can make heat-conducting piece and the cumulative limit between center and heater element increase, cause assembling upper difficulty.
Comprise a heat-conducting plate and a heat pipe again or as known technology TaiWan, China letters patent book number M484134 a case discloses its heat abstractor a kind of, described heat-conducting plate has a hollow slots and is formed in the inwall in hollow slots, and the surface of inwall is a C-shaped cambered surface, heat pipe close type embeds hollow slots and is located by C-shaped cambered surface institute clip, the inwall of wherein said heat-conducting plate need first be processed into C-shaped cambered surface, again its heat pipe outer wall is embedded hollow slots with the body of C-shaped in flattening mode, its heat pipe close type is made to embed hollow slots and be located by C-shaped cambered surface institute clip, therefore, its heat abstractor needs to increase processing procedure cost in manufacture, and its heat abstractor only can use heat pipe to be its heat-conducting piece, the general heat-conducting piece without C-shaped outer wall or then just cannot cannot be used by the heat-conducting piece that deformation is moulding, causing real in use is inconvenience and puzzlement.
Therefore how will solve the above-mentioned problem commonly used and disappearance, the utility model people being this case and the relevant manufactures being engaged in the industry desire most ardently the place, direction studying improvement.
[utility model content]
For effectively solving above-mentioned problem, the main purpose of the utility model is providing one can reduce fabrication steps and is reducing the heat abstractor of manufacturing cost.
Another object of the utility model is at providing one to improve heat abstractor that hot leaflet unit uses compatibility.
Another object of the utility model causes the heat abstractor of assembling tolerance providing one to avoid.
For reaching above-mentioned purpose, the utility model provides a kind of heat abstractor, comprises: at least one hot leaflet unit, and described hot leaflet unit has a chamber, is provided with at least one capillary structure and this chamber and is filled with a working fluid in this chamber; Separately comprise at least one framework to dock with described hot leaflet unit; This hot leaflet unit is imposed spot welding mode with described framework junction be connected, its hot leaflet unit is fixed on framework.
Described framework has one first side and one second side, and its hot leaflet unit is arranged at described first side or the second side or the first side and the second side.
Described framework is separately formed with a caulking groove, and its hot leaflet unit is arranged in the caulking groove of described framework, and this framework and hot leaflet unit junction is imposed and weld, and its hot leaflet unit is fixed in described caulking groove.
Described framework is separately formed with a caulking groove, and described caulking groove runs through described first side and the second side, and its hot leaflet unit is arranged in the caulking groove of described framework, and this framework and hot leaflet unit junction is imposed and weld, and its hot leaflet unit is fixed in described caulking groove.
Described framework has an inwall in caulking groove position, described inwall and the first side and the second side mutually vertical.
Described hot leaflet unit is flat hot pipe or heat-conducting plate.
Described framework is anti electromagnetic wave material.
It is wherein arbitrary that described spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding.
Described hot leaflet unit is formed with at least one invalid end in ora terminalis position, and described hot leaflet unit is connected with described framework spot welding by its invalid end.
Through design of the present utility model, effectively can reduce step that hot leaflet unit connects with frame set and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and while can avoid because of through the assembling tolerance issues that welding material caused.
[accompanying drawing explanation]
Fig. 1 is the flow chart of steps of the first embodiment of the heat abstractor manufacture of the utility model;
Fig. 2 A is the enforcement schematic diagram of the first embodiment of the heat abstractor manufacture of the utility model;
Fig. 2 B is the combination cross-sectional schematic of the first embodiment of the heat abstractor manufacture of the utility model;
Fig. 3 A is the enforcement schematic diagram of the second embodiment of the heat abstractor manufacture of the utility model;
Fig. 3 B is the combination cross-sectional schematic of the second embodiment of the heat abstractor manufacture of the utility model;
Fig. 4 A is the decomposing schematic representation of the 3rd embodiment of the heat abstractor manufacture of the utility model;
Fig. 4 B is the enforcement schematic diagram of the 3rd embodiment of the heat abstractor manufacture of the utility model;
Fig. 4 C is the combination cross-sectional schematic of the 3rd embodiment of the heat abstractor manufacture of the utility model;
Fig. 5 A is the decomposing schematic representation of the 4th embodiment of the heat abstractor manufacture of the utility model;
Fig. 5 B is the combination cross-sectional schematic of the 4th embodiment of the heat abstractor manufacture of the utility model;
Fig. 6 A is the enforcement schematic diagram of the 5th embodiment of the heat abstractor manufacture of the utility model;
Fig. 6 B is the combination cross-sectional schematic of the 6th embodiment of the heat abstractor manufacture of the utility model;
Fig. 7 is the enforcement schematic diagram of the 7th embodiment of the heat abstractor manufacture of the utility model.
Assembly in accompanying drawing representated by each sequence number is:
Hot leaflet unit 1
Chamber 11
Invalid end 12
Capillary structure 13
Working fluid 14
Framework 2
First side 21
Second side 22
Caulking groove 23
Inwall 24
[embodiment]
Characteristic on the above-mentioned purpose of the utility model and structure and fuction thereof, will be explained according to the embodiment of institute's accompanying drawings.
Please consult Fig. 1 and Fig. 2 A and Fig. 2 B respectively, for the first embodiment of the heat abstractor of the utility model flow chart of steps and implement schematic diagram and combination cross-sectional schematic, described heat abstractor, comprises the following step:
(100) provide at least one hot leaflet unit, described hot leaflet unit has a chamber, is provided with at least one capillary structure and this chamber and is filled with a working fluid in this chamber;
A finished product is provided to be the hot leaflet unit 1 of flat hot pipe, in this hot leaflet unit 1, there is a chamber 11, and these hot leaflet unit 1 two ends have one of a closed described chamber 11 invalid end 12 respectively, and this chamber 11 inwall 24 is formed with at least one capillary structure 13, this capillary structure 13 explains in this embodiment with agglomerated powder opisthosoma, but be not limited thereto, in time specifically implementing, also may be selected to be groove or wire netting or fleece, and be filled with a working fluid 14 in this chamber 11 (as pure water, pure water, inorganic compound, alcohols, ketone, liquid metal, cold coal or organic compound), described invalid end 12 is defined respectively between the capillary structure 13 of another wherein this hot leaflet unit 1 inwall 24 and the blind end at these two ends relative, its invalid end 12 position is then without being provided with described capillary structure 13, it is filled in chamber 11 in order to convenient working fluid 14, so heat conduction cannot be carried out in this position of invalid end 12 of hot leaflet unit 1.
(101) at least one framework is separately provided to dock with described hot leaflet unit;
Aforementioned hot leaflet unit 1 two ends are respectively described invalid end 12 in blind end place, invalid end 12 in this embodiment is the position this hot leaflet unit 1 cannot carrying out heat conduction, and wherein said framework 2 can be anti electromagnetic wave material in the present embodiment, and its anti electromagnetic wave material comprises metal, its framework 2 has the second side 22 of one first side 21 and this first side 21 contrary again, wherein this first side 21 presents in planar fashion in the present embodiment, and its hot leaflet unit 1 to be arranged on described first side 21 and to attach described first side 21.
(102) this hot leaflet unit is imposed spot welding mode with described framework junction to be connected, its hot leaflet unit is fixed on framework.
Wherein said by this be the hot leaflet unit 1 of flat hot pipe described framework 2 is set the first side 21 on after, its hot leaflet unit 1 attach described first side 21 and and between described first side 21, there is at least one junction, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, it is wherein arbitrary that wherein said spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on framework 2; By this, described hot leaflet unit 1 utilizes spot welding mode to connect and is fixed on described framework 2, effectively can reduce hot leaflet unit 1 and framework 2 groups of steps connect and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Refer to Fig. 3 A and Fig. 3 B again, for enforcement schematic diagram and the combination cross-sectional schematic of the second embodiment of the heat abstractor of the utility model, the present embodiment part-structure is identical with aforementioned first embodiment, therefore will repeat no more at this, only the present embodiment and aforementioned first embodiment do not exist together for described hot leaflet unit 1 is plate-type heat-pipe or temperature-uniforming plate for providing a finished product, the outer side sealing of its plate-type heat-pipe is invalid end 12, in time specifically implementing, by this be the hot leaflet unit 1 of plate-type heat-pipe described framework 2 is set the first side 21 on after, its hot leaflet unit 1 attach described first side 21 and and between described first side 21, there is described junction, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, wherein said spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding wherein arbitrary, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on framework 2, by this, described hot leaflet unit 1 utilizes spot welding mode to connect and is fixed on described framework 2, effectively can reduce hot leaflet unit 1 and framework 2 groups of steps connect and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Refer to Fig. 4 A and Fig. 4 B and Fig. 4 C again, for the 3rd embodiment of the heat abstractor of the utility model decomposing schematic representation and implement schematic diagram and combination cross-sectional schematic, the present embodiment part-structure is identical with aforementioned first embodiment, therefore will repeat no more at this, only the present embodiment and aforementioned first embodiment do not exist together for described framework 2 is separately formed with a caulking groove 23, described caulking groove 23 runs through described first side 21 and the second side 22, and its framework 2 has an inwall 24 in caulking groove 23 position, described inwall 24 and the first side 21 and the second side 22 mutually vertical, and its hot leaflet unit 1 is arranged in the caulking groove 23 of described framework 2, and this framework 2 and hot leaflet unit 1 junction are imposed weld, its hot leaflet unit 1 is made to be fixed in described caulking groove 23, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, wherein said spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding wherein arbitrary, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on framework 2, by this, described hot leaflet unit 1 utilizes spot welding mode to connect and is fixed on described framework 2, effectively can reduce hot leaflet unit 1 and framework 2 groups of steps connect and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Refer to Fig. 5 A and Fig. 5 B again, for decomposing schematic representation and the combination cross-sectional schematic of the 4th embodiment of the heat abstractor of the utility model, the present embodiment part-structure is identical with aforementioned first embodiment, therefore will repeat no more at this, only the present embodiment and aforementioned first embodiment do not exist together for described framework 2 is separately formed with a caulking groove 23, described caulking groove 23 does not run through described first side 21 and the second side 22, and its framework 2 has an inwall 24 in caulking groove 23 position, described inwall 24 and the first side 21 and the second side 22 mutually vertical, and its hot leaflet unit 1 is arranged in the caulking groove 23 of described framework 2, and this framework 2 and hot leaflet unit 1 junction are imposed weld, its hot leaflet unit 1 is made to be fixed in described caulking groove 23, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, wherein said spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding wherein arbitrary, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on framework 2, by this, described hot leaflet unit 1 utilizes spot welding mode to connect and is fixed on described framework 2, effectively can reduce hot leaflet unit 1 and framework 2 groups of steps connect and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Refer to Fig. 6 A and Fig. 6 B again, for enforcement schematic diagram and the combination cross-sectional schematic of the 5th and the 6th embodiment of the heat abstractor of the utility model, the present embodiment part-structure is identical with aforementioned first embodiment, therefore will repeat no more at this, only the present embodiment and aforementioned first embodiment do not exist together for described hot leaflet unit 1 be flat hot pipe and plate-type heat-pipe be arranged at described framework 2 simultaneously the first side 21 on or be arranged at the first side 21 and the second side 22 of described framework 2 respectively, in the present embodiment, the wherein said hot leaflet unit 1 for flat hot pipe be arranged at described first side 21 and and there is between described first side 21 described junction, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, be that the hot leaflet unit 1 of plate-type heat-pipe is arranged at described first side 21 or the second side 22 again, make, between its hot leaflet unit 1 and the first side 21 or the second side 22, there is described junction, then this hot leaflet unit 1 is imposed spot welding mode with described framework 2 junction to be connected, wherein said spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding wherein arbitrary, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on framework 2, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Refer to Fig. 7 again, for the enforcement schematic diagram of the 7th embodiment of the heat abstractor of the utility model, the present embodiment part-structure is identical with aforementioned first embodiment, therefore will repeat no more at this, only the present embodiment and aforementioned first embodiment do not exist together for described hot leaflet unit 1 is flat hot pipe, and its hot leaflet unit is arranged on the first side 21 of two frameworks 2, and its two framework 2 and hot leaflet unit 1 junction are imposed spot welding mode be connected, and its hot leaflet unit 1 is connected with the spot welding of described framework 2 with the invalid end 12 of ora terminalis position, its hot leaflet unit 1 is made to be fixed on two frameworks 2, by this, described hot leaflet unit 1 utilizes spot welding mode to connect and is fixed on described framework 2, effectively can reduce hot leaflet unit 1 and framework 2 groups of steps connect and deduct the material cost and processing procedure cost that need expend gluing material or use adhesive tape, and then reach the effect reducing fabrication steps and reduce manufacturing cost, and can avoid because through the assembling tolerance issues that welding material caused simultaneously.
Although the utility model discloses as above with execution mode; so itself and be not used to limit the utility model; anyly be familiar with this those skilled in the art; not departing from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore the protection range of the utility model is when being decided to be standard depending on accompanying claim.
Claims (8)
1. a heat abstractor, is characterized in that, described heat abstractor comprises:
At least one hot leaflet unit, described hot leaflet unit has a chamber, is provided with at least one capillary structure and this chamber and is filled with a working fluid in this chamber;
Separately comprise at least one framework to dock with described hot leaflet unit;
This hot leaflet unit is imposed spot welding mode with described framework junction be connected, its hot leaflet unit is fixed on framework.
2. heat abstractor according to claim 1, is characterized in that: described framework has one first side and one second side, and its hot leaflet unit is arranged at described first side or the second side or the first side and the second side.
3. heat abstractor according to claim 2, it is characterized in that: described framework is separately formed with a caulking groove, and its hot leaflet unit is arranged in the caulking groove of described framework, and this framework and hot leaflet unit junction are imposed welds, its hot leaflet unit is fixed in described caulking groove.
4. heat abstractor according to claim 2, it is characterized in that: described framework is separately formed with a caulking groove, described caulking groove runs through described first side and the second side, and its hot leaflet unit is arranged in the caulking groove of described framework, and this framework and hot leaflet unit junction are imposed weld, its hot leaflet unit is fixed in described caulking groove.
5. heat abstractor according to claim 4, is characterized in that: described framework has an inwall in caulking groove position, described inwall and the first side and the second side mutually vertical.
6. heat abstractor according to claim 1, is characterized in that: described hot leaflet unit is flat hot pipe or heat-conducting plate.
7. heat abstractor according to claim 1, is characterized in that: it is wherein arbitrary that described spot welding mode is welded as electric resistance welding, ultrasonic waves welding or laser spot welding.
8. heat abstractor according to claim 1, is characterized in that: described hot leaflet unit is formed with at least one invalid end in ora terminalis position, and described hot leaflet unit is connected with described framework spot welding by its invalid end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157322.7U CN204887824U (en) | 2015-03-19 | 2015-03-19 | Heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157322.7U CN204887824U (en) | 2015-03-19 | 2015-03-19 | Heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887824U true CN204887824U (en) | 2015-12-16 |
Family
ID=54832140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520157322.7U Expired - Fee Related CN204887824U (en) | 2015-03-19 | 2015-03-19 | Heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204887824U (en) |
-
2015
- 2015-03-19 CN CN201520157322.7U patent/CN204887824U/en not_active Expired - Fee Related
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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: 20151216 Termination date: 20210319 |