CN106595359A - Multilayer vapor chamber - Google Patents
Multilayer vapor chamber Download PDFInfo
- Publication number
- CN106595359A CN106595359A CN201610875149.3A CN201610875149A CN106595359A CN 106595359 A CN106595359 A CN 106595359A CN 201610875149 A CN201610875149 A CN 201610875149A CN 106595359 A CN106595359 A CN 106595359A
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- China
- Prior art keywords
- plate
- conduit
- multilamellar
- cover plate
- adjacent
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- 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.)
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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
- F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses a multilayer vapor chamber. The multilayer vapor chamber comprises a cover plate, a bottom plate and more than one middle plate, wherein the middle plates are arranged between the cover plate and the bottom plate, and the sizes of the cover plate, the bottom plate and the middle plates are identical; one or more parallel snakelike channels are formed in corresponding positions in two opposite sides of every two adjacent plates respectively and adopt identical structure, and the channels in upper and lower surfaces of each middle plate communicate via through holes; connecting surfaces of every two adjacent plates are welded, and the channels in upper and lower surfaces form a closed cavity; the cavities are vacuumized and filled with working media, and the working media perform evaporation condensation in the cavities to realize heat transfer. The multilayer vapor chamber is high in heat transfer efficiency, high in compression resistance, is not affected by a device placing direction, adopts simple manufacture process and is suitable for batch production.
Description
Technical field
The invention belongs to augmentation of heat transfer and electronic devices and components cooling field, and in particular to a kind of multilamellar soaking plate.
Background technology
The thermal control of electronic equipment is the key technology for determining device job stability and reliability, with electronic equipment
Highly integrated, high performance development, the requirement to device radiating are also improved constantly.The concept of soaking plate is suggested the nineties, is one
New and effective heat transfer element is planted, its operation principle is different from heat pipe, mainly steamed using the gas-liquid plug that working medium is randomly generated
Originator is shaken with the pulsation of colling end, is completed diabatic process, compared with conventional heat pipe, is more suitable for little space, high heat flux
Heat transfer situation, while soaking plate does not need wick etc., simple structure.
Chinese patent literature CN 101738118A disclose a kind of three-dimensional slab heat pipe with multi-layer microporous pipe array and
Its processing technique, the flat-plate heat pipe include metal material extruding or stamping forming with two-layer or two-layer above parallel arrangement
Microporous pipe array, filling work in the microporous pipe comprising two or more parallel arrangements, microporous pipe in every layer of microporous pipe array
Matter.Using this kind of structure, processing technique is complicated, while being relatively independent structure between microporous pipe, Working fluid phase changing region is too small,
It is unfavorable for overall heat transfer.
Chinese patent literature CN 102121802A discloses a kind of double-sided channel plate-type pulsating heat pipe, the pulsating heat pipe bag
Housing and flap are included, flap is inserted in housing, a plurality of pulsation conduit is formed with inner walls, connected by slit between conduit
It is logical.Using this kind of structure, between conduit, junction resistance is larger, affects gas-liquid plug flow to move, while section is the angle-style such as triangle
Structure, affects the formation of gas-liquid plug, and then affects the heat-transfer effect of pulsating heat pipe.
The content of the invention
It is an object of the invention to provide a kind of heat transfer efficiency is high, do not affected by device placement direction, anti-pressure ability is strong, system
Process is simple is made, is adapted to the multilamellar soaking plate of batch production.
The technical scheme for realizing the object of the invention is：A kind of multilamellar soaking plate, including cover plate, base plate and more than one piece
Intermediate plate, the intermediate plate are arranged between cover plate and base plate, and cover plate, base plate and intermediate plate are equivalently-sized；Adjacent two boards phase
To one side be respectively arranged with one or more parallel snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure it is identical, the conduit of intermediate plate upper and lower surface is communicated by through hole；The joint face welding of adjacent two boards, upper and lower surface
Conduit forms closed cavity；In inside cavity evacuation and working medium is filled, working medium in cavity is evaporated condensation and realizes heat
Transmission.
Compared with prior art, beneficial technique effect is the present invention：(1) present invention adds in cover plate, base plate and intermediate plate
Work goes out continuous conduit, without the need for wick, simple structure；(2) conduit section is circular or subcircular, beneficial to the shape of gas-liquid plug
Into；(3) gap between conduit can provide intensity enough supports, and anti-pressure ability is strong；(4) by after internal cavity evacuation
Filling working medium, working medium form vent plug and fluid column arranged for interval the state in random distribution in conduit, and in evaporation ends, working medium is inhaled
The angry bubble of delivery in hot weather, rapid expansion and boosting, promote working medium to flow to condensation at low temperature end；In condensation end, bubble cooling meat simultaneously ruptures,
Pressure drop；Because there is the pressure imbalance existed between pressure reduction and adjacent conduit in evaporation ends and condensation end so that working medium
The Oscillation Flows between evaporation ends and condensation end, so as to realize the transmission of heat；As the structure is multiple structure, in layer and layer
Between equally exist Oscillation Flows, equivalent heat transfer coefficient is big.In whole process, working medium fully relies on thermal drivers and carries out self shake
Swing；(5) runnability of the invention is not influenced by gravitation substantially, and application is more extensive.
Description of the drawings
Fig. 1 is overall schematic of the present invention.
Fig. 2 is that one kind of the present invention joins end to end channel structure schematic diagram.
Fig. 3 is that another kind of the present invention joins end to end channel structure schematic diagram.
Fig. 4 is that a kind of head and the tail of the invention are not attached to channel structure schematic diagram.
Fig. 5 is that another kind of head and the tail of the invention are not attached to channel structure schematic diagram.
Fig. 6 is two parallel snakelike conduit structural representations of the invention.
Fig. 7 is the schematic diagram that intermediate plate two sides of the present invention is identical channel structure.
Fig. 8 is the schematic diagram that intermediate plate two sides of the present invention is different channel structure.
Fig. 9 is semicircle conduit section of the invention enlarged diagram.
Figure 10 is semicircular band straight flange conduit section of the present invention enlarged diagram.
Figure 11 is half elliptic conduit section enlarged diagram of the present invention.
Figure 12 is half elliptic band straight flange conduit section enlarged diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
With reference to Fig. 1-Fig. 8, a kind of multilamellar soaking plate, including cover plate 1, the intermediate plate 3 of base plate 2 and more than a piece, it is described
Intermediate plate 3 is arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards it is relative one
Face is respectively arranged with one or more parallel snakelike conduit in correspondence position, the conduit on corresponding two faces of adjacent two boards
Structure is identical, and the conduit of intermediate plate upper and lower surface is communicated by through hole 31；The joint face welding of adjacent two boards, upper and lower surface conduit
Form closed cavity；In inside cavity evacuation and working medium is filled, working medium in cavity is evaporated condensation and realizes heat transfer.
Further, as shown in Fig. 9-Figure 12, the section of cover plate, base plate and intermediate plate conduit is semicircle, semicircular band
Straight flange, half elliptic or half elliptic band straight flange, above-mentioned shape ensure the integrity to form bubble.
Further, the section of conduit is semicircle, and semicircle radius is 0.5-10mm.
Further, the section of conduit is half elliptic, and half elliptic major semiaxis and semi-minor axis length are 0.5-10mm.
Further, conduit is end to end or does not connect.
Further, conduit by milling out, die casting or wire cutting mode process and obtain.
Further, the joint face of adjacent panels is welded using diffusion welding (DW) mode, i.e., each plate surface is brought into close contact, in a constant temperature
After degree and pressure effect for a period of time, the atom between contact surface mutually diffuses to form connection.
Further, working medium is any one in acetone, ethanol, methanol and deionized water.
Further, cover plate, base plate and intervening board material are any one in copper, copper alloy, aluminum and aluminium alloy.
With reference to specific embodiment, the invention will be further described.
Embodiment 1
With reference to shown in Fig. 1, Fig. 2, Fig. 7 and Fig. 9, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of intermediate plate
3, the intermediate plate 3 is arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards phase
To one side be respectively arranged with an end to end snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure is identical, i.e., cover plate 1 is provided with the first conduit 11 with the one side of intermediate plate, and base plate 2 is arranged with the another side of intermediate plate
There are the second conduit 21, the first conduit 11 and 21 section of the second conduit to be semicircle, the conduit of intermediate plate upper and lower surface is by through hole
31 communicate；The joint face welding of adjacent two boards, upper and lower surface conduit form closed cavity；In inside cavity evacuation and fill
Working medium, working medium in cavity are evaporated condensation and realize heat transfer.
Embodiment 2
With reference to shown in Fig. 1, Fig. 2, Fig. 7 and Figure 10, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of centre
Plate 3, the intermediate plate 3 are arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards
Relative one side is respectively arranged with an end to end snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure it is identical, i.e., cover plate 1 is provided with the first conduit 11 with the one side of intermediate plate, and base plate 2 is set with the another side of intermediate plate
Be equipped with the second conduit 21, the first conduit 11 and 21 section of the second conduit are semicircular band straight flange, semicircular band straight flange structure by
Semicircle and semicircle two ends are constituted in the straight flange 111 that vertical direction extends, and the effect of straight flange is to prevent half when joint face is welded
Circle is because of crimp, it is ensured that the section of closed cavity is rounded；The conduit of intermediate plate upper and lower surface is communicated by through hole 31；It is adjacent
The joint face welding of two boards, upper and lower surface conduit form closed cavity；In inside cavity evacuation and working medium is filled, working medium exists
Condensation is evaporated in cavity and realizes heat transfer.
Embodiment 3
With reference to shown in Fig. 1, Fig. 2, Fig. 7 and Figure 11, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of centre
Plate 3, the intermediate plate 3 are arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards
Relative one side is respectively arranged with an end to end snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure it is identical, i.e., cover plate 1 is provided with the first conduit 11 with the one side of intermediate plate, and base plate 2 is set with the another side of intermediate plate
Be equipped with the second conduit 21, the first conduit 11 and 21 section of the second conduit are half elliptic, the conduit of intermediate plate upper and lower surface by
Through hole 31 is communicated；The joint face welding of adjacent two boards, upper and lower surface conduit form closed cavity；In inside cavity evacuation simultaneously
Filling working medium, working medium in cavity are evaporated condensation and realize heat transfer.
Embodiment 4
With reference to shown in Fig. 1, Fig. 2, Fig. 7 and Figure 12, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of centre
Plate 3, the intermediate plate 3 are arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards
Relative one side is respectively arranged with an end to end snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure it is identical, i.e., cover plate 1 is provided with the first conduit 11 with the one side of intermediate plate, and base plate 2 is set with the another side of intermediate plate
The second conduit 21 is equipped with, the first conduit 11 and 21 section of the second conduit are half elliptic band straight flange, and half elliptic band straight flange is tied
Structure is made up of in the straight flange 111 that vertical direction extends half elliptic and half elliptic two ends；The conduit of intermediate plate upper and lower surface by
Through hole 31 is communicated；The joint face welding of adjacent two boards, upper and lower surface conduit form closed cavity；In inside cavity evacuation simultaneously
Filling working medium, working medium in cavity are evaporated condensation and realize heat transfer.
Embodiment 5
With reference to shown in Fig. 1, Fig. 2, Fig. 8 and Fig. 9, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of intermediate plate
3, the intermediate plate 3 is arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards phase
To one side be respectively arranged with an end to end snakelike conduit in correspondence position, on corresponding two faces of adjacent two boards
Channel structure is identical, i.e., cover plate 1 is provided with the first conduit 11 with the one side of intermediate plate, and base plate 2 is arranged with the another side of intermediate plate
There is the second conduit 21, the first conduit 11 is different from the setting direction of the second conduit 21,21 section of the first conduit 11 and the second conduit
Semicircle is, the conduit of intermediate plate upper and lower surface is communicated by through hole 31；The joint face welding of adjacent two boards, upper and lower surface groove
Road forms closed cavity；In inside cavity evacuation and fill working medium, working medium is evaporated condensation in cavity and realizes that heat is passed
Pass.
Embodiment 6
With reference to shown in Fig. 1, Fig. 4, Fig. 9～Figure 12, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and one piece of centre
Plate 3, the intermediate plate 3 are arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；Adjacent two boards
Relative one side is respectively arranged with the snakelike conduit that a head and the tail do not connect in correspondence position, corresponding two faces of adjacent two boards
On channel structure it is identical, i.e. the one side of cover plate 1 and intermediate plate is provided with the first conduit 11, the another side of base plate 2 and intermediate plate
The second conduit 21 is provided with, the first conduit 11 and 21 section of the second conduit are semicircle, semicircular band straight flange, half elliptic or half
Oval band straight flange, the conduit of intermediate plate upper and lower surface are communicated by through hole 31；The joint face welding of adjacent two boards, upper and lower surface
Conduit forms closed cavity；In inside cavity evacuation and working medium is filled, working medium in cavity is evaporated condensation and realizes heat
Transmission.
Embodiment 7
With reference to shown in Fig. 1, Fig. 6, Fig. 9～Figure 12, a kind of multilamellar soaking plate, including cover plate 1, base plate 2 and more than one piece
Intermediate plate 3, the intermediate plate 3 is arranged between cover plate 1 and base plate 2, and cover plate 1, base plate 2 and intermediate plate 3 are equivalently-sized；It is adjacent
The relative one side of two boards is respectively arranged with two parallel snakelike conduits in correspondence position, and every conduit is end to end, adjacent
Channel structure on corresponding two faces of two boards is identical, and conduit section is semicircle, semicircular band straight flange, half elliptic or half
Oval band straight flange, the conduit of intermediate plate upper and lower surface are communicated by through hole；The joint face welding of adjacent two boards, upper and lower surface groove
Road forms closed cavity；In inside cavity evacuation and fill working medium, working medium is evaporated condensation in cavity and realizes that heat is passed
Pass.
, due to using new channel structure, with simple structure, anti-pressure ability is strong, and heat transfer efficiency is high, makes for the present invention
The advantages of process is simple, it is more suitable for device size requirement strictly, the little place in working place has a extensive future, especially
In the high field of the heat flow densities such as power electronics, the temperature of electronic device can be effectively and rapidly reduced, extend electronic device
Service life.
Claims (10)
1. a kind of multilamellar soaking plate, it is characterised in that including the intermediate plate (3) of cover plate (1), base plate (2) and more than a piece, institute
State intermediate plate (3) to be arranged between cover plate (1) and base plate (2), cover plate (1), base plate (2) and intermediate plate (3) are equivalently-sized；It is adjacent
The relative one side of two boards is respectively arranged with one or more parallel snakelike conduit in correspondence position, and adjacent two boards are corresponding
Channel structure on two faces is identical, and the conduit of intermediate plate (3) upper and lower surface is communicated by through hole；The joint face weldering of adjacent two boards
Connect, upper and lower surface conduit forms closed cavity；Evacuation working medium is filled inside the closed cavity, working medium is steamed in cavity
Feel cold to coagulate and realize heat transfer.
2. multilamellar soaking plate according to claim 1, it is characterised in that snakelike conduit is in the section perpendicular to plate face direction
For semicircle or half elliptic.
3. multilamellar soaking plate according to claim 2, it is characterised in that semicircle radius is 0.5-10mm.
4. multilamellar soaking plate according to claim 2, it is characterised in that half elliptic major semiaxis and semi-minor axis length are
0.5-10mm。
5. multilamellar soaking plate according to claim 1, it is characterised in that conduit is end to end.
6. multilamellar soaking plate according to claim 1, it is characterised in that conduit head and the tail do not connect.
7. multilamellar soaking plate according to claim 1, it is characterised in that conduit is by milling out, die casting or wire cutting mode
Processing is obtained.
8. multilamellar soaking plate according to claim 1, it is characterised in that the joint face of adjacent panels is welded using diffusion welding (DW) mode
Connect.
9. multilamellar soaking plate according to claim 1, it is characterised in that working medium is acetone, ethanol, methanol and deionized water
In any one.
10. multilamellar soaking plate according to claim 1, it is characterised in that cover plate, base plate and intervening board material are copper, copper
Any one in alloy, aluminum and aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875149.3A CN106595359A (en) | 2016-10-07 | 2016-10-07 | Multilayer vapor chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875149.3A CN106595359A (en) | 2016-10-07 | 2016-10-07 | Multilayer vapor chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595359A true CN106595359A (en) | 2017-04-26 |
Family
ID=58555864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875149.3A Pending CN106595359A (en) | 2016-10-07 | 2016-10-07 | Multilayer vapor chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595359A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635380A (en) * | 2017-09-15 | 2018-01-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of phase transformation soaking plate |
| CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multistage plate-type heat-pipe and radiator |
| CN109974137A (en) * | 2019-04-19 | 2019-07-05 | 青岛海尔智能技术研发有限公司 | A kind of air-conditioner outdoor unit and air conditioner |
| WO2020143244A1 (en) * | 2019-01-10 | 2020-07-16 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection apparatus |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585414Y (en) * | 2002-11-08 | 2003-11-05 | 冯自平 | Heat sink having even temp. channel |
| CN205352159U (en) * | 2015-12-31 | 2016-06-29 | 浙江嘉熙科技有限公司 | Two -sided flat phase transition restraines heat transfer plate structure |
| CN206177109U (en) * | 2016-10-07 | 2017-05-17 | 南京艾科美热能科技有限公司 | Multilayer uniformly heated plate |
-
2016
- 2016-10-07 CN CN201610875149.3A patent/CN106595359A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585414Y (en) * | 2002-11-08 | 2003-11-05 | 冯自平 | Heat sink having even temp. channel |
| CN205352159U (en) * | 2015-12-31 | 2016-06-29 | 浙江嘉熙科技有限公司 | Two -sided flat phase transition restraines heat transfer plate structure |
| CN206177109U (en) * | 2016-10-07 | 2017-05-17 | 南京艾科美热能科技有限公司 | Multilayer uniformly heated plate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635380A (en) * | 2017-09-15 | 2018-01-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of phase transformation soaking plate |
| WO2020143244A1 (en) * | 2019-01-10 | 2020-07-16 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection apparatus |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| CN109974137A (en) * | 2019-04-19 | 2019-07-05 | 青岛海尔智能技术研发有限公司 | A kind of air-conditioner outdoor unit and air conditioner |
| CN109974137B (en) * | 2019-04-19 | 2024-05-17 | 青岛海尔智能技术研发有限公司 | Air conditioner outdoor unit and air conditioner |
| CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multistage plate-type heat-pipe and radiator |
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Application publication date: 20170426 |