CN103151680A - Radiating method for high-power diode pump laser - Google Patents
Radiating method for high-power diode pump laser Download PDFInfo
- Publication number
- CN103151680A CN103151680A CN2011104023371A CN201110402337A CN103151680A CN 103151680 A CN103151680 A CN 103151680A CN 2011104023371 A CN2011104023371 A CN 2011104023371A CN 201110402337 A CN201110402337 A CN 201110402337A CN 103151680 A CN103151680 A CN 103151680A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat radiation
- chamber
- radiating
- diode pump
- 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.)
- Pending
Links
Images
Abstract
The invention belongs to the technical field of laser, and provides a radiating method for a high-power diode pump laser. The radiating method for the high-power diode pump laser at least comprises a base seat, a radiating cavity and a fan. The radiating method for the high-power diode pump laser is characterized in that a groove is formed in the base seat, and laser medium is placed in the groove; the radiating cavity is a cuboid or cylinder or elliptical cylinder structure without a bottom surface, the radiating cavity is bonded with the base seat to form an enclosed space, the laser medium and cooling liquid are placed in the enclosed space formed by the radiating cavity and the base seat, a liquid inlet is formed in the top of the radiating cavity, and a liquid outlet is formed in the bottom of the radiating cavity; and the fan performs wind cooling radiating for the radiating cavity from one side face of the radiating cavity. Due to the method, the laser medium is completely soaked into the cooling liquid for cooling, the problems that radiating efficiency is low and radiation is uneven are avoided, and a radiating device for the high-power diode pump laser is provided.
Description
Technical field
The invention belongs to laser technology field, relate to a kind of laser heat dissipating method, particularly a kind of heat dissipating method of heavy-duty diode pump laser.
Background technology
At present, militarily with other field in the heavy-duty diode pump laser that uses, its radiating mode overwhelming majority is water-cooled.The tradition water-cooling pattern is by the heat sink of clamping laser medium carried out water-cooling, and then indirectly laser medium is dispelled the heat.The efficient of this radiating mode is not high, and the heat radiation of laser medium on all directions is also inhomogeneous.Its main cause is: due to manufacturing process and the material inherent characteristic of reality, laser medium and heat sink between can't have and accomplish contacting of desirable face and face, in fact, be point-to-point contact.Therefore, traditional water-cooling exists the problem that radiating efficiency is low, heat radiation is inhomogeneous, and these all can have influence on the output quality of laser beam.
Summary of the invention
The heat dissipating method that the purpose of this invention is to provide a kind of heavy-duty diode pump laser, it can improve radiating efficiency, solve the inhomogeneous problem of heat radiation, and a kind of heat abstractor of heavy-duty diode pump laser is provided.
Technical scheme of the present invention is: a kind of heat dissipating method of heavy-duty diode pump laser is provided, and it carries out the laser medium complete wetting cooling in cooling fluid, and has taked the air-cooled mode that combines of sealing fluid cold-peace that laser medium is dispelled the heat.
Which comprises at least base, heat radiation chamber and fan according to the heat abstractor of a kind of heavy-duty diode pump laser of this method design, it is characterized in that: its base is fluted, and laser medium is placed in groove; The heat radiation chamber is cuboid cavity, cylinder cavity or Elliptic Cylinder structure, and the chamber of dispelling the heat forms confined space by bonding with base, and laser medium and cooling fluid are in the confined space of heat radiation chamber and base formation, and the heat radiation top of chamber has inlet, and liquid outlet is arranged at the bottom; Fan carries out wind-cooling heat dissipating in the side, chamber of dispelling the heat to the chamber of dispelling the heat.
Described heat radiation chamber is rectangular structure, and there are some heat radiation thorns on each surface of cuboid; The heat radiation thorn of end face is perpendicular to end face, and there is the angle of 45 degree the heat radiation thorn of side and side.
Described heat radiation chamber is cylinder or Elliptic Cylinder structure, and there are some heat radiations thorns the side, chamber of dispelling the heat, and the heat radiation thorn has 45 angles of spending with the side.
Described cooling fluid is anti-icing fluid.
Characteristics of the present invention are: 1, the laser medium complete wetting is carried out in cooling fluid cooling, the problem that radiating efficiency is low, heat radiation is inhomogeneous of effectively having avoided traditional heat sink clamping laser medium heat radiation to cause.
2, design by rational heat-dissipating cavity shape to the splendid attire cooling fluid, effectively increase the surface-to-volume ratio in heat radiation chamber, be conducive to heat radiation, the while also is convenient to introduce air-cooled its radiating efficiency of further raising of fan.
3, take the air-cooled mode that combines of sealing fluid cold-peace that laser medium is dispelled the heat, improved radiating efficiency.
Description of drawings
Below in conjunction with embodiment, the present invention is done further explanation.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the vertical view of embodiment 1.
Fig. 3 is the structural representation of embodiment 2.
Fig. 4 is the vertical view of embodiment 2.
Fig. 5 is the structural representation of embodiment base.
Fig. 6 is the analysis chart of heat sink and laser medium contact-making surface of tradition.
In figure: 1, fan; 2, base; 3, groove; 4, laser bar; 5, heat radiation thorn; 6, heat radiation top of chamber; 7, heat radiation chamber; 8, inlet; 9, liquid outlet.
Embodiment
The heat dissipating method of this heavy-duty diode pump laser, it carries out the laser medium complete wetting cooling in cooling fluid, and has taked the air-cooled mode that combines of sealing fluid cold-peace that laser medium is dispelled the heat.
As shown in Figure 1, 2, the heat abstractor of this heavy-duty diode pump laser which comprises at least base 2, heat radiation chamber 7 and fan 1, and its base 2 is fluted 3, and laser medium is placed in groove 3; Heat radiation chamber 7 is rectangular cavitys, and the chamber 7 of dispelling the heat forms confined space by bonding with base, and anti-icing fluid and laser bar 4 are in the confined space of heat radiation chamber 7 and base 2 formation, and heat radiation top of chamber 6 has inlet 8, and liquid outlet 9 is arranged at the bottom; Fan 1 carries out wind-cooling heat dissipating in 7 sides, chamber of dispelling the heat to the chamber 7 of dispelling the heat.
Described heat radiation top of chamber 6 has heat radiation thorn 5, and heat radiation thorn 5 is perpendicular to end face; The thorn of heat radiation 5 is arranged in one week of side, and there are the angles of 45 degree heat radiation thorn 5 and the side, chamber of dispelling the heat.
As shown in Figure 5, base 2 is fluted 3, and groove 3 is used for fixed laser rod 4.
Open fan when laser is started working, laser bar 4 is passed to anti-icing fluid with heat.Anti-icing fluid constantly transfers heat to side heat radiation thorn 5 and cavity top 6 by convection type, and hot type is gone out cavity, and this is airtight liquid cooling process.Meanwhile, 1 pair of integral body that is comprised of base 2 and the chamber 7 of dispelling the heat of fan is dispelled the heat.The combination of the air-cooled two kinds of radiating modes of sealing fluid cold-peace effectively raises radiating efficiency.
As shown in Fig. 3,4, the structure of the present embodiment and embodiment 1 is basic identical, and different is, and the cylindroid cavity has been adopted in its heat radiation chamber 7, the cylindroid cavity only has heat radiation thorn 5 is arranged in one week of side, heat radiation thorn 5 and the cavity side angles by 45 degree, heat radiation top of chamber 6 is planes, and inlet 9 is arranged.
As shown in Figure 6, in traditional heat sink clamping heat dissipating method, heat sink have the irregular contact face with laser bar, can not be as Utopian plane, actual is point-to-point contact, and radiating efficiency is low, heat radiation is inhomogeneous thereby caused, and then has affected the quality of Laser Output Beam.
The present invention adopts that laser medium is that the laser bar complete wetting carries out in cooling fluid cooling, avoided the problem that radiating efficiency is low, heat radiation is inhomogeneous, and reasonably the heat-dissipating cavity shape of splendid attire cooling fluid is designed, effectively increase the surface-to-volume ratio in heat radiation chamber, be conducive to heat radiation, also be convenient to introduce simultaneously air-cooled its radiating efficiency of further raising of fan; Take simultaneously the air-cooled mode that combines of sealing fluid cold-peace that laser medium is dispelled the heat, improved radiating efficiency.
Claims (5)
1. the heat dissipating method of a heavy-duty diode pump laser, it carries out the laser medium complete wetting cooling in cooling fluid, and has taked the air-cooled mode that combines of sealing fluid cold-peace that laser medium is dispelled the heat.
2. according to the heat abstractor of a kind of heavy-duty diode pump laser of said method design, which comprises at least base, heat radiation chamber and fan, it is characterized in that: its base is fluted, and laser medium is placed in groove; The heat radiation chamber is cuboid cavity or cylinder cavity or Elliptic Cylinder cavity body structure, the heat radiation chamber forms confined space by bonding with base, laser medium and cooling fluid are in the confined space of heat radiation chamber and base formation, and the heat radiation top of chamber has inlet, and liquid outlet is arranged at the bottom; Fan carries out wind-cooling heat dissipating in the side, chamber of dispelling the heat to the chamber of dispelling the heat.
3. the heat abstractor of a kind of heavy-duty diode pump laser described according to claim 2 is characterized in that: described heat radiation chamber is rectangular structure, and there are some heat radiations thorns on each surface of cuboid; The heat radiation thorn of end face is perpendicular to end face, and there is the angle of 45 degree the heat radiation thorn of side and side.
4. the heat abstractor of a kind of heavy-duty diode pump laser described according to claim 2, it is characterized in that: described heat radiation chamber is cylindrical cavity or cylindroid cavity body structure, there is some heat radiations thorn the heat-dissipating cavity side, and there are the angles of 45 degree heat radiation thorn and heat-dissipating cavity side.
5. the heat dissipating method of a kind of heavy-duty diode pump laser described according to claim 1, it is characterized in that: described cooling fluid is anti-icing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104023371A CN103151680A (en) | 2011-12-07 | 2011-12-07 | Radiating method for high-power diode pump laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104023371A CN103151680A (en) | 2011-12-07 | 2011-12-07 | Radiating method for high-power diode pump laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103151680A true CN103151680A (en) | 2013-06-12 |
Family
ID=48549614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104023371A Pending CN103151680A (en) | 2011-12-07 | 2011-12-07 | Radiating method for high-power diode pump laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103151680A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953454A (en) * | 2015-06-29 | 2015-09-30 | 哈尔滨工业大学 | Air-cooling and condensation integrated device for laser of pulse xenon lamp pump |
| CN107800028A (en) * | 2017-11-28 | 2018-03-13 | 武汉锐科光纤激光技术股份有限公司 | A kind of cooling structure for high power pump source |
| CN116247491A (en) * | 2023-02-28 | 2023-06-09 | 南京佰福激光技术有限公司 | Adjustable laser equipment cooling device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1951702A1 (en) * | 1968-10-18 | 1970-06-18 | Union Carbide Corp | Cooling system for a laser head |
| US5311528A (en) * | 1991-08-30 | 1994-05-10 | Hoya Corporation | Solid-state laser device capable of stably producing an output laser beam at high power |
| WO1998034305A1 (en) * | 1997-01-30 | 1998-08-06 | Fanuc Ltd | Laser oscillator |
| CN2465235Y (en) * | 2001-02-20 | 2001-12-12 | 神达电脑股份有限公司 | Chipset heat sink assembly |
| CN201430338Y (en) * | 2009-02-17 | 2010-03-24 | 西北大学 | Compact water and wind hybrid refrigeration device of all-solid-state laser |
| CN201549763U (en) * | 2009-12-01 | 2010-08-11 | 温州市嘉泰激光科技有限公司 | Full air-cooled radiating type double-pump double-crystal laser |
| CN102136668A (en) * | 2011-03-06 | 2011-07-27 | 四川大学 | Temperature control method of laser medium of disk laser and device thereof |
| CN202495671U (en) * | 2011-12-07 | 2012-10-17 | 闫喜龙 | Heat radiation device of high power diode pump laser |
-
2011
- 2011-12-07 CN CN2011104023371A patent/CN103151680A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1951702A1 (en) * | 1968-10-18 | 1970-06-18 | Union Carbide Corp | Cooling system for a laser head |
| US5311528A (en) * | 1991-08-30 | 1994-05-10 | Hoya Corporation | Solid-state laser device capable of stably producing an output laser beam at high power |
| WO1998034305A1 (en) * | 1997-01-30 | 1998-08-06 | Fanuc Ltd | Laser oscillator |
| CN2465235Y (en) * | 2001-02-20 | 2001-12-12 | 神达电脑股份有限公司 | Chipset heat sink assembly |
| CN201430338Y (en) * | 2009-02-17 | 2010-03-24 | 西北大学 | Compact water and wind hybrid refrigeration device of all-solid-state laser |
| CN201549763U (en) * | 2009-12-01 | 2010-08-11 | 温州市嘉泰激光科技有限公司 | Full air-cooled radiating type double-pump double-crystal laser |
| CN102136668A (en) * | 2011-03-06 | 2011-07-27 | 四川大学 | Temperature control method of laser medium of disk laser and device thereof |
| CN202495671U (en) * | 2011-12-07 | 2012-10-17 | 闫喜龙 | Heat radiation device of high power diode pump laser |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953454A (en) * | 2015-06-29 | 2015-09-30 | 哈尔滨工业大学 | Air-cooling and condensation integrated device for laser of pulse xenon lamp pump |
| CN104953454B (en) * | 2015-06-29 | 2017-09-19 | 哈尔滨工业大学 | The wind-cooling heat dissipating and optically focused integrated apparatus of a kind of xenon flash lamp pump laser |
| CN107800028A (en) * | 2017-11-28 | 2018-03-13 | 武汉锐科光纤激光技术股份有限公司 | A kind of cooling structure for high power pump source |
| CN116247491A (en) * | 2023-02-28 | 2023-06-09 | 南京佰福激光技术有限公司 | Adjustable laser equipment cooling device |
| CN116247491B (en) * | 2023-02-28 | 2023-12-26 | 南京佰福激光技术有限公司 | Adjustable laser equipment cooling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103779782B (en) | A kind of high-average power diode-pumped nd yag laser module and preparation method thereof | |
| CN103151680A (en) | Radiating method for high-power diode pump laser | |
| CN102208751A (en) | Combined type high-power semiconductor laser side pumping source and preparation method thereof | |
| CN202495671U (en) | Heat radiation device of high power diode pump laser | |
| CN102832779A (en) | Microminiature electro-hydraulic power pump | |
| CN103344142B (en) | Vapour chamber evaporation imbibition core of fractal groove-hole structure and manufacturing method | |
| CN206461215U (en) | A kind of air-cooled ultraviolet laser | |
| CN205299241U (en) | Heat dissipation type street lamp lamp holder | |
| CN204290031U (en) | A kind of high power semiconductor lasers encapsulating structure | |
| CN204517632U (en) | A kind of multi-group electrode flush system electrohydrodynamic Micropump | |
| CN204755320U (en) | Construction improvement's dry -type screw vacuum pump | |
| CN202968635U (en) | Small-sized workpiece quenching device | |
| CN203586895U (en) | Vapor chamber evaporating and liquid-absorbing core with stepped groove-hole structure | |
| CN203482570U (en) | Water-cooling substrate | |
| CN101719618B (en) | Device for improving asymmetric thermal focal distances of asymmetric heating panel strip-shaped laser | |
| CN205811269U (en) | A kind of plate electrode optical resonator | |
| CN202103309U (en) | Combined high-power semiconductor laser side pumping source | |
| CN204927790U (en) | Heat pipe is heat sink, and formula pole form laser crystal fastens cooling device | |
| CN202083250U (en) | Heat radiator | |
| CN205864947U (en) | A kind of assembling radiating plate | |
| CN201590980U (en) | Radiator | |
| CN204720775U (en) | Novel pump laser | |
| CN204706553U (en) | A kind of non-homogeneous microchannel heat radiating fin structure | |
| CN204886510U (en) | Heat radiation structure of motor | |
| CN103476230A (en) | Water-cooling substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130612 |