CN201466464U - Spray cooling heat sink for high-power solid laser - Google Patents
Spray cooling heat sink for high-power solid laser Download PDFInfo
- Publication number
- CN201466464U CN201466464U CN2009201100529U CN200920110052U CN201466464U CN 201466464 U CN201466464 U CN 201466464U CN 2009201100529 U CN2009201100529 U CN 2009201100529U CN 200920110052 U CN200920110052 U CN 200920110052U CN 201466464 U CN201466464 U CN 201466464U
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- Prior art keywords
- heat sink
- main body
- cooling heat
- liquid separation
- power solid
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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.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 239000007787 solid Substances 0.000 title claims abstract description 26
- 239000007921 spray Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims description 23
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000889 atomisation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 208000018530 Disseminated peritoneal leiomyomatosis Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000960 laser cooling Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lasers (AREA)
- Semiconductor Lasers (AREA)
Abstract
A spray cooling heat sink for a high-power solid laser consists of a component A, a component B, an air return pipeline and a liquid return pipeline; the component A comprises: a flanged body; the upper end surface of the main body is provided with a circular groove; nozzles distributed in a regular triangle shape are arranged on the main body below the groove; the lower end of the main body is provided with a gas-liquid separation cylinder, and the lower end of the main body is provided with a disc; the upper cylinder wall of the gas-liquid separation cylinder is provided with a return hole; the component B comprises: the upper part is provided with a flange, and the lower part is provided with a cylinder body of a base; the root of the upper end surface of the base is provided with an annular groove; a gap is arranged between the separating cylinder and the cylinder body; the air return pipeline and the liquid return pipeline are respectively arranged on the wall surface of the cylinder body, and the air return pipeline is communicated with the gap; the liquid return pipeline is communicated with the annular liquid groove; the lower end of the base is provided with a laser placing surface; the two flanges are fixed into a whole. Its advantage is: the atomization heat exchange is carried out through the nozzle, and the heat exchange coefficient is high; the nozzles are arranged in a regular triangle, and the temperature of the heat exchange surface is uniform; the nozzle and the heat sink are integrated, and the structure is simple; the gas-liquid separation is beneficial to the flow of fluid in the heat sink, and dead zones can be avoided.
Description
Technical field
The utility model belongs to the heat sink of photoelectricity cooling device field, and particularly a kind of high power solid state laser is with the spraying cooling heat sink, applicable to unit folded battle array LD or gain medium cooling.
Background technology
Laser diode pump solid state laser device (DPL) causes the very big interest of people with advantages such as its high efficiency, high light beam quality, compact conformation, long-lives.In recent years, along with succeeding in developing in succession of high power diode laser, promoted the development of DPL and in the application in fields such as industry, medical treatment, scientific research.Along with solid state laser power increases, the heat load that device produces is increasing.How in time eliminate because of heat that power dissipation transformed, guarantee that device surface temperature and temperature homogeneity are one of the key technologies that must capture of development great-power solid laser.
Traditional cooling device (as air-cooled, water-cooled) is though the demand of energy satisfied temperature control, but its heat-sinking capability can't meet the demands far away, though mode cooling capacities such as microchannel liquid cooling, jet, pool boiling are stronger, but its unsteadiness can cause the heat exchange surface non-uniform temperature, can cause the Laser Devices local overheating when serious, damage laser.The spraying cooling technology has that heat exchange coefficient is big, temperature homogeneity good, superheating ratio is little, critical heat flux density is high and characteristics such as low coolant rate, has better application prospect in the high power solid state laser cooling.
Summary of the invention
The utility model purpose is: provide a kind of high power solid state laser with the spraying cooling heat sink for solving above-mentioned deficiency, this spraying cooling heat sink has characteristics such as high exchange capability of heat, heat-transfer surface temperature gradient are little.
The technical solution of the utility model is as follows:
The high power solid state laser that the utility model provides is characterized in that with the spraying cooling heat sink it is made up of components A, part B, return-air duct 6 and back liquid pipeline 7;
Described components A comprises:
The main body 11 that has first flange 2 on one perisporium; Described main body 11 upper surfaces are provided with circular groove; N nozzle 1 is installed on the main body 11 under the described circular groove, and described nozzle 1 is equilateral triangle arranges, and describedly is the equilateral triangle distribution and is meant that the line of centres of any three nozzles adjacent one another are all becomes the equilateral triangle shape; Described N is 3-19;
Described main body 11 lower surfaces are provided with the gas-liquid separation tube 4 into a single integrated structure with it, and described gas-liquid separation tube 4 lower ends are provided with the disk that level stretches out and forms; The perisporium of the top barrel of close described main body 11 lower ends of described gas-liquid separation tube 4 is provided with return-air hole 5;
Described part B comprises:
Have second flange 3 on the one top perisporium, have the cylindrical shell 41 of base 12 on the perisporium of bottom;
Described base 12 upper surface roots are provided with the annular recessed liquid bath 8 that is lower than this upper surface; The external groove sidevall of the recessed liquid bath 8 of described annular flushes with the inwall of described cylindrical shell 41, and recessed liquid bath 8 internal groove side walls of described annular flush with the inwall of described gas-liquid separation tube;
Be provided with space 42 between described gas-liquid separation tube 4 and the cylindrical shell 41;
Described return-air duct 6 and back liquid pipeline 7 are installed on respectively on the wall of described cylindrical shell 41, and described return-air duct 6 communicates with described space 42; Described back liquid pipeline 7 communicates with the recessed liquid bath 8 of described annular;
The center, lower surface of described base 12 is provided with laser placement surface 10;
Described first flange 2 and second flange 3 are by screw or weld to fixedly connected and be integral.
High power solid state laser of the present invention is cylindrical or square column type with the profile of spraying cooling heat sink.
Described first cylindrical shell 4 is cylinder or square tube.
Described return-air hole 5 is circular hole, square hole or irregularly-shaped hole.
The upper surface of described base 12 is that shiny surface, surface have little finned surface of small fin or have the surface of micro-channel.
Described laser placement surface 10 is square or shaped face.
High power solid state laser of the present utility model has following advantage with the spraying cooling heat sink:
(1) by the nozzle heat exchange that atomizes, heat exchange coefficient height;
(2) nozzle is equilateral triangle and arranges, and has guaranteed the temperature homogeneity of heat-exchange surface;
(3) nozzle and heat sink integrated simplifying the structure;
(4) unique gas-liquid separation plate (be that liquid is returned in return-air bottom, top, the two cuts off mutually) design realizes gas-liquid separation, is beneficial to heat sink fluid flow inside, can avoid the interior zone inner fluid not flow for a long time and the fluid dead band occurs;
(5) simple in structure and tool closure organically combines refrigeration and spraying cooling.
Description of drawings
Fig. 1 is a high power solid state laser of the present utility model spraying cooling heat sink schematic perspective view;
Fig. 2 is the structural representation of high power solid state laser of the present utility model with the spraying cooling heat sink;
Fig. 3 is that (the roundlet territory is the nozzle ejection zone to nozzle ejection overlay area schematic diagram; The great circle territory is heat-exchange surface 9 regions).
Embodiment
The line face reaches embodiment in conjunction with the accompanying drawings and further describes the utility model
Fig. 1 is a high power solid state laser of the present utility model spraying cooling heat sink schematic perspective view; Fig. 2 is the structural representation of high power solid state laser of the present utility model with the spraying cooling heat sink; Have figure as can be known, the high power solid state laser that the utility model provides is characterized in that with the spraying cooling heat sink it is made up of components A, part B, return-air duct 6 and back liquid pipeline 7;
Described components A comprises:
The main body 11 that has first flange 2 on one perisporium; Described main body 11 upper surfaces are provided with circular groove; N nozzle 1 is installed on the main body 11 under the described circular groove, and described nozzle 1 is equilateral triangle arranges, and describedly is the equilateral triangle distribution and is meant that the line of centres of any three nozzles adjacent one another are all becomes the equilateral triangle shape; Described N is 3-19;
Described main body 11 lower surfaces are provided with the gas-liquid separation tube 4 into a single integrated structure with it, and described gas-liquid separation tube 4 lower ends are provided with the disk that level stretches out and forms; The perisporium of the top barrel of close described main body 11 lower ends of described gas-liquid separation tube 4 is provided with return-air hole 5;
Described part B comprises:
Have second flange 3 on the one top perisporium, have the cylindrical shell 41 of base 12 on the perisporium of bottom;
Described base 12 upper surface roots are provided with the annular recessed liquid bath 8 that is lower than this upper surface; The external groove sidevall of the recessed liquid bath 8 of described annular flushes with the inwall of described cylindrical shell 41, and recessed liquid bath 8 internal groove side walls of described annular flush with the inwall of described gas-liquid separation tube;
Be provided with space 42 between described gas-liquid separation tube 4 and the cylindrical shell 41;
Described return-air duct 6 and back liquid pipeline 7 are installed on respectively on the wall of described cylindrical shell 41, and described return-air duct 6 communicates with described space 42; Described back liquid pipeline 7 communicates with the recessed liquid bath 8 of described annular;
The center, lower surface of described base 12 is provided with laser placement surface 10;
Described first flange 2 and second flange 3 link into an integrated entity by screw.
High power solid state laser of the present utility model can be circle or square column type with the monnolithic case of spraying cooling heat sink; Present embodiment is circular.
Gas-liquid separation tube 4 can be cylinder or square tube; Present embodiment is a cylinder.
Return-air hole 5 can be circular hole, square hole or irregularly-shaped hole, and present embodiment is a circular hole.
The upper surface of base 12 is that shiny surface, surface have little finned surface of small fin or have the surface of micro-channel, and present embodiment is a shiny surface.
Nozzle 1 can be 3-19 and is equilateral triangle and arranges, and the described equilateral triangle that is distributes and is meant that the line of centres of any three nozzles adjacent one another are all becomes the equilateral triangle shape;
High power solid state laser of the present utility model is as follows with spraying cooling heat sink workflow:
Components A and part B are through first flange 2 and the 3 sealing combinations of second flange; Laser is placed on the laser placement surface 10, and the laser heat is through conducting to heat-exchange surface (upper surface 9 of base 12); Liquid produces the array atomizing through nozzle 1, atomizing back droplet is ejected on the heat-exchange surface (upper surface 9 of base 12) with Fig. 3 shape, the return-air hole 5 of gas phase on gas-liquid separation tube 4 enters return-air duct 6 after the heat exchange, and liquid phase flows into annular recessed liquid bath 8 after back liquid pipeline 7 flows out.
Nozzle 1 array is to be arranged on the main body 11 upper circular groove surfaces according to equilateral triangle; First flange 2, second flange 3 are used for package parts A and part B, can adopt the welding or be threaded; Return-air duct 6 and back liquid pipeline 7 can be round tube or rectangular tube; Laser placement surface 10 can be a square face, also can be other special-shaped surfaces suitable with laser.
Fig. 3 is a nozzle ejection overlay area schematic diagram, and wherein, the roundlet territory is the jeting area of nozzle; The great circle territory is the zone at heat-exchange surface (upper surface 9 of base 12) place.
Claims (6)
1. a high power solid state laser is characterized in that with the spraying cooling heat sink it is made up of components A, part B, return-air duct (6) and back liquid pipeline (7);
Described components A comprises:
The main body (11) that has first flange (2) on one perisporium; Described main body (11) upper surface is provided with circular groove; Main body under the described circular groove (11) go up to be installed N nozzle (1), and described nozzle (1) is equilateral triangle arranges, and describedly is the equilateral triangle distribution and is meant that the line of centres of any three nozzles adjacent one another are all becomes the equilateral triangle shape; Described N is 3-19;
Described main body (11) lower surface is provided with the gas-liquid separation tube (4) into a single integrated structure with it, and described gas-liquid separation tube (4) lower end is provided with the disk that level stretches out and forms; The perisporium of the top barrel of close described main body (11) lower end of described gas-liquid separation tube (4) is provided with return-air hole (5);
Described part B comprises:
Have second flange (3) on the one top perisporium, have the cylindrical shell (41) of base (12) on the perisporium of bottom;
Described base (12) upper surface root is provided with the annular recessed liquid bath (8) that is lower than this upper surface; The external groove sidevall of the recessed liquid bath of described annular (8) flushes with the inwall of described cylindrical shell (41), and the recessed liquid bath of described annular (8) internal groove side wall flushes with the inwall of described gas-liquid separation tube;
Be provided with space (42) between described gas-liquid separation tube (4) and the cylindrical shell (41);
Described return-air duct (6) and back liquid pipeline (7) are installed on respectively on the wall of described cylindrical shell (41), and described return-air duct (6) communicates with described space (42); Described back liquid pipeline (7) communicates with the recessed liquid bath of described annular (8);
The center, lower surface of described base (12) is provided with laser placement surface (10);
Described first flange (2) links into an integrated entity by screw with second flange (3).
2. high power solid state laser according to claim 1 spraying cooling heat sink, it is characterized in that: described high power solid state laser is cylindrical or square column type with the profile of spraying cooling heat sink.
3. high power solid state laser according to claim 1 spraying cooling heat sink, it is characterized in that: described gas-liquid separation tube (4) is cylinder or square tube.
4. high power solid state laser according to claim 1 spraying cooling heat sink, it is characterized in that: described return-air hole (5) is circular hole, square hole or irregularly-shaped hole.
5. high power solid state laser according to claim 1 is characterized in that with the spraying cooling heat sink: the upper surface of described base (12) is that shiny surface, surface have little finned surface of small fin or have the surface of micro-channel.
6. high power solid state laser according to claim 1 spraying cooling heat sink, it is characterized in that: described laser placement surface (10) is square or shaped face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201100529U CN201466464U (en) | 2009-07-09 | 2009-07-09 | Spray cooling heat sink for high-power solid laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201100529U CN201466464U (en) | 2009-07-09 | 2009-07-09 | Spray cooling heat sink for high-power solid laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466464U true CN201466464U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201100529U Expired - Fee Related CN201466464U (en) | 2009-07-09 | 2009-07-09 | Spray cooling heat sink for high-power solid laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219636A (en) * | 2013-03-29 | 2013-07-24 | 中国科学院半导体研究所 | Cooling method and cooling device for semi-conductor lamp pump and side pump laser device |
| CN103441422A (en) * | 2013-08-30 | 2013-12-11 | 中国人民解放军国防科学技术大学 | Device and method for high-power laser heat management based on spray evaporation |
| CN109119873A (en) * | 2018-10-30 | 2019-01-01 | 中国工程物理研究院激光聚变研究中心 | A kind of multiple working medium combined jet fog cooling apparatus |
-
2009
- 2009-07-09 CN CN2009201100529U patent/CN201466464U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219636A (en) * | 2013-03-29 | 2013-07-24 | 中国科学院半导体研究所 | Cooling method and cooling device for semi-conductor lamp pump and side pump laser device |
| CN103219636B (en) * | 2013-03-29 | 2016-01-27 | 中国科学院半导体研究所 | The cooling means of lamp pump side pump laser and cooling device |
| CN103441422A (en) * | 2013-08-30 | 2013-12-11 | 中国人民解放军国防科学技术大学 | Device and method for high-power laser heat management based on spray evaporation |
| CN103441422B (en) * | 2013-08-30 | 2016-08-10 | 中国人民解放军国防科学技术大学 | High power laser heat management device based on carburetion by spraying and method |
| CN109119873A (en) * | 2018-10-30 | 2019-01-01 | 中国工程物理研究院激光聚变研究中心 | A kind of multiple working medium combined jet fog cooling apparatus |
| CN109119873B (en) * | 2018-10-30 | 2024-02-09 | 中国工程物理研究院激光聚变研究中心 | Multi-working-medium combined spray cooling device |
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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: 20100512 Termination date: 20120709 |