CN109411998A - A kind of liquid cooling plate and optical fiber laser - Google Patents
A kind of liquid cooling plate and optical fiber laser Download PDFInfo
- Publication number
- CN109411998A CN109411998A CN201811615241.1A CN201811615241A CN109411998A CN 109411998 A CN109411998 A CN 109411998A CN 201811615241 A CN201811615241 A CN 201811615241A CN 109411998 A CN109411998 A CN 109411998A
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- Prior art keywords
- cooling plate
- liquid cooling
- flow channel
- plate according
- heat
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- 239000007788 liquid Substances 0.000 title claims abstract description 83
- 238000001816 cooling Methods 0.000 title claims abstract description 56
- 239000013307 optical fiber Substances 0.000 title description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 208000015943 Coeliac disease Diseases 0.000 description 34
- 108091006146 Channels Proteins 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 102000010637 Aquaporins Human genes 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明提供了一种液冷板和光纤激光器，涉及散热领域。该液冷板包括散热基板，以及设置在散热基板内部的液体流道；所述液体流道包括至少两条主流道和多条分流道；多条所述分流道的两端均分别与至少两条所述主流道连通；所述散热基板的设置有进水口、出水口和多个流道成形口；至少两条所述主流道的其中一条主流道与所述进水口连通；至少两条所述主流道的另一条主流道与所述出水口连通；多个所述流道成形口通过密封件密封。所述光纤激光器包括上述液冷板。本发明解决了现有技术中存在的制造工艺复杂和散热不均匀的技术问题。
The invention provides a liquid cooling plate and a fiber laser, and relates to the field of heat dissipation. The liquid cooling plate includes a heat dissipation base plate and a liquid flow channel arranged inside the heat dissipation base plate; the liquid flow passage includes at least two main flow channels and a plurality of branch flow channels; the main flow channel is connected; the heat dissipation base plate is provided with a water inlet, a water outlet and a plurality of flow channel forming ports; at least one of the main flow channels of the at least two main channels is communicated with the water inlet; at least two of the main flow channels are connected with the water inlet. The other main flow channel of the main flow channel is communicated with the water outlet; the plurality of flow channel forming ports are sealed by seals. The fiber laser includes the above-mentioned liquid cooling plate. The invention solves the technical problems of complex manufacturing process and uneven heat dissipation in the prior art.
Description
Technical field
The present invention relates to technical field of heat dissipation, more particularly, to a kind of liquid cooling plate and optical fiber laser.
Background technique
Middle high-capacity optical fiber laser generallys use water cooling design, in water-cooled plate design before, a kind of method be
Copper pipe is inlayed on heat-radiating substrate, is filled copper pipe and substrate gap by heat conductive curing glue again and then is milled flat method again and realizes water
The shortcomings that cold heat dissipation, this method is that manufacturing process is complex and costly；Another common method is by depth drill or to squeeze
Out molding method come process in water-cooled plate it is longer longitudinal direction water channel, then used in both ends, the cross channel junction of water-cooled plate
The method of stifled weldering guarantees the sealing of water channel, water channel after processing is completed be it is unidirectional concatenated, first is that needing the shortcomings that this method
It carries out more complicated stifled Welding, and welds that there may be not noticeable sand holes so as to cause leakage, second is that due to water channel
Be it is unidirectional serial, water is more and more warmmer during forward, will lead to monolith water-cooled plate and generates biggish thermal gradient, so that radiating
Not enough uniformly, to influence its practical effect.
Based on this, the present invention provides a kind of liquid cooling plates and optical fiber laser to solve above-mentioned technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid cooling plates, to solve manufacturing process complexity existing in the prior art and dissipate
The non-uniform technical problem of heat.
The object of the invention is also to provide a kind of optical fiber laser, the optical fiber laser includes above-mentioned liquid cooling plate, is used
In the liquid cooling plate manufacturing process complexity for solving existing fiber laser and the non-uniform technical problem that radiates.
Based on above-mentioned first purpose, the present invention provides a kind of liquid cooling plates, including heat-radiating substrate, and setting is in heat dissipation base
The flow channel for liquids of intralamellar part；
The flow channel for liquids includes at least two sprues and a plurality of runner；Distinguish at the both ends of a plurality of runner
It is connected to at least two sprues；
The heat-radiating substrate is provided with water inlet, water outlet and multiple runner shaped openings；At least two sprues
A wherein sprue be connected to the water inlet；Another sprue and the water outlet of at least two sprues
Connection；Multiple runner shaped openings are sealed by sealing element.
Optionally, above-mentioned liquid cooling plate, shape, the size of the cross-sectional area of a plurality of runner can be different.
It is different that each heating element generating heat situation is set on heat-radiating substrate, therefore each heater element is right on liquid cooling plate
Answer the radiating requirements of position different.To adapt to different radiating requirements, the size of the cross-sectional area of runner can it is different or
Part is different, i.e., larger in the cross section for the more serious corresponding runner of heater element that generates heat, otherwise smaller.Such convection current
Road carries out differentiation design, and relative to traditional uniline tandem runner, runner is conducive to reduce heat-radiating substrate at work
Thermal gradient, there is more preferably heat dissipation effect.
Optionally, above-mentioned liquid cooling plate, the runner shaped opening are sealed by plug.
Optionally, above-mentioned liquid cooling plate, the runner shaped opening are provided with internal screw thread, and the plug is screw plug；
The runner shaped opening and the screw plug are threadedly coupled；Between the screw plug and the runner shaped opening
Filled with sealing medium.
Optionally, above-mentioned liquid cooling plate, the sealing medium are raw material band or sealant.
Optionally, above-mentioned liquid cooling plate, the screw plug are taper pipe thread plug or cylindrical thread plug.
Optionally, above-mentioned liquid cooling plate, the plug and the runner shaped opening are welded.
Plug is attached by the way of welding with runner shaped opening, is connected firmly, and sealing effect is good.
Optionally, above-mentioned liquid cooling plate, the material of the heat-radiating substrate are aluminium alloy.
The good heat dissipation effect of aluminium alloy, and facilitate the processing for carrying out hole.
Optionally, above-mentioned liquid cooling plate, the flow channel for liquids carry out hardening oxidation or common oxidation processes.
Hardening oxidation or common oxidation processes can further increase the corrosion resistance, wearability and insulating properties of heat-radiating substrate
Deng.
Based on above-mentioned second purpose, the present invention provides a kind of optical fiber laser, the light laser includes the liquid
Cold plate.
The liquid cooling plate provided by the invention, including heat-radiating substrate, and the flow channel for liquids inside heat-radiating substrate is set；
The flow channel for liquids includes at least two sprues and a plurality of runner；The both ends of a plurality of runner are respectively at least two
The connection of sprue described in item；The heat-radiating substrate is provided with water inlet, water outlet and multiple runner shaped openings；At least two institutes
The wherein sprue for stating sprue is connected to the water inlet；Another sprue of at least two sprues and institute
State water outlet connection；Multiple runner shaped openings are sealed by sealing element.The liquid cooling plate of the invention, coolant liquid is from water inlet
Mouth enters, and flows through the sprue being connected to water inlet, punishes stream in the link position of a plurality of runner, promptly covering entirely dissipates
Hot substrate, then converge on the sprue being connected to water outlet, and finally flowed out by water outlet.Compared with traditional liquid cooling plate,
The walking path that substantially reduces coolant liquid is branched to by the way of a plurality of runner converges again using sprue, thermal gradient is smaller,
It radiates more evenly, and the manufacturing process of the structure is simple.
The optical fiber laser provided by the invention, is cooled down using above-mentioned liquid cooling plate, therefore has above-mentioned liquid cooling plate
All advantages.
Based on this, the present invention has the advantages that the uniform manufacturing process of heat dissipation is simple compared with original technology.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram at the first the first visual angle of structure of liquid cooling plate provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram at the first the second visual angle of structure of liquid cooling plate provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view of flow channel for liquids in the first structure of liquid cooling plate provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of second of structure of liquid cooling plate provided in an embodiment of the present invention.
Icon: 100- heat-radiating substrate；101- water inlet；102- water outlet；103- runner shaped opening；200- flow channel for liquids；
201- water inlet sprue；202- runner；203- is discharged sprue.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Fig. 1 is the schematic diagram at the first the first visual angle of structure of liquid cooling plate provided in an embodiment of the present invention；Fig. 2 is that the present invention is real
The schematic diagram at the first the second visual angle of structure of liquid cooling plate of example offer is provided；Fig. 3 is liquid cooling plate first provided in an embodiment of the present invention
The cross-sectional view of flow channel for liquids in kind structure.
As shown in Figure 1 to Figure 3, a kind of liquid cooling plate is provided in the present embodiment, and the liquid cooling plate includes heat-radiating substrate
100, and the flow channel for liquids 200 inside heat-radiating substrate 100 is set；
The flow channel for liquids 200 includes at least two sprues and a plurality of runner 202；The a plurality of runner 202
Both ends are connected to at least two sprues respectively；
The heat-radiating substrate 100 is provided with water inlet 101, water outlet 102 and multiple runner shaped openings 103；At least two
A wherein sprue for sprue described in item is connected to the water inlet 101；Another master of at least two sprues
Runner is connected to the water outlet 102；Multiple runner shaped openings 103 are sealed by sealing element.
The liquid cooling plate provided by the invention, water inlet 101 and water outlet 102 and runner shaped opening 103 are arranged at scattered
The side of hot substrate 100.Coolant liquid enters from water inlet 101, the sprue being connected to water inlet 101 is flowed through, in a plurality of shunting
The link position in road 202 punishes stream, promptly covers entire heat-radiating substrate 100, then converge into the mainstream being connected to water outlet 102
On road, and finally flowed out by water outlet 102.Compared with traditional liquid cooling plate, a plurality of runner 202 is branched to again using sprue
The mode of confluence substantially reduces the walking path of coolant liquid, and thermal gradient is smaller, radiates more evenly, and the manufacture work of the structure
Skill is simple.
Based on this, the present invention has the advantages that the uniform manufacturing process of heat dissipation is simple compared with original technology.
In the optinal plan of the present embodiment, the cross-sectional area of the sprue is greater than or equal to the cross section of the runner
Product.
Sprue has the sectional area bigger than runner 202, for the fever member for generating heat more serious on heat-radiating substrate 100
Part, the mountable top for being arranged in sprue so both may insure that heater element heat dissipation was abundant, additionally it is possible to guarantee comprising being somebody's turn to do
The equipment of liquid cooling plate more stably works.
It is emphasized that the cross section that the cross-sectional area of sprue is greater than or equal to runner is the one of the present embodiment
A preferred embodiment, in the case of necessary, the cross-sectional area of sprue might be less that the cross-sectional area of runner.
In the optinal plan of the present embodiment, the shape of the cross-sectional area of a plurality of runner 202 is circle, runner
The in different size or part of 202 cross-sectional areas is different.
When the cross section of runner 202 in heat-radiating substrate 100 is round, it can be processed and be obtained by the method for depth drill
, it can also be obtained by being opened by extrusion molding, the processing method multiplicity of runner 202 can select as needed.Setting exists
Each heating element generating heat situation is different on heat-radiating substrate 100, therefore each heater element dissipating in heat-radiating substrate corresponding position
Heat demand is different.To adapt to different radiating requirements, the in different size or part of the cross-sectional area of runner 202 is different
Sample, i.e., it is larger in the cross section for the more serious corresponding runner 202 of heater element that generates heat, on the contrary it is smaller.To runner in this example
Differentiation design is carried out, relative to traditional uniline tandem runner, runner 202 is conducive to reduce heat-radiating substrate 100 in work
Thermal gradient when making has more preferably heat dissipation effect.In addition, the quantity of runner 202 is unrestricted, number is specifically set
Amount can also carry out differentiation design according to radiating requirements, to obtain optimal heat dissipation effect.
In the above-mentioned technical solutions, further, the runner shaped opening 103 is sealed by plug.
In such a way that plug is sealed, plug can be detachably connected with runner shaped opening 103, also can directly be consolidated
It connects.Wherein, plug and runner shaped opening 103 detachably can be dirty in easy cleaning flow channel for liquids 200.
In the technical solution of " plug can be detachably connected with runner shaped opening 103 ", further, the runner forming
Mouth 103 is provided with internal screw thread, and the plug is screw plug；
Sealing medium is filled between the screw plug and the runner shaped opening 103.
In the above-mentioned technical solutions, further, the sealing medium is raw material band or sealant.
In the above-mentioned technical solutions, further, the screw plug is taper pipe thread plug or cylindrical thread plug.
In the present embodiment, plug is screw plug, and the inner wall of runner shaped opening 103 is provided with internal screw thread, screw plug with
Runner shaped opening 103 is threadedly coupled.To guarantee the leakproofness that connect with runner shaped opening 103 of screw plug, in screw plug and
Sealing medium is filled between runner shaped opening 103.Specifically, the screw plug is that taper pipe thread plug or cylindrical thread are stifled
Head, the sealing medium can be raw material band or sealant.After all plugs block realization sealing, effective flow channel for liquids 200 is cutd open
Face figure is as shown in Figure 3.
In the technical solution of " plug can be affixed with runner shaped opening 103 ", further, plug and runner shaped opening
103 welding.
Plug is attached by the way of welding with runner shaped opening 103, is connected firmly, and sealing effect is good.
In the optinal plan of the present embodiment, the material of heat-radiating substrate 100 is aluminium alloy.
External heat generating components is arranged on heat-radiating substrate 100, and the inside of heat-radiating substrate 100 is arranged in flow channel for liquids 200, outside
Heat is transmitted by heat-radiating substrate 100 between coolant liquid in portion's heat generating components and flow channel for liquids 200, therefore, the present embodiment dissipates
Hot substrate 100 is preferably aluminum alloy material.The good heat dissipation effect of aluminium alloy, and facilitate the processing for carrying out hole.It is emphasized that
The material of heat-radiating substrate be aluminium alloy be the present embodiment a preferred embodiment, the material of heat-radiating substrate can also be copper or its
His metal.
In the above-mentioned technical solutions, further, the flow channel for liquids 200 carries out at hard anodized or common oxidation
Reason.
It is aluminium in heat-radiating substrate for the performance for further increasing heat-radiating substrate 100, such as corrosion resistance, wearability, insulating properties
On the basis of alloy material, hard anodized processing or general can be carried out to the flow channel for liquids 200 being arranged inside heat-radiating substrate 100
Logical oxidation processes.
Embodiment two
Fig. 4 is the schematic diagram of second of structure of liquid cooling plate provided in an embodiment of the present invention.As shown in figure 4, the present embodiment mentions
The liquid cooling plate supplied is the further improvement of the liquid cooling plate provided embodiment one, technology described in embodiment one
Scheme also belongs to the embodiment, and the technical solution that embodiment one has been described is not repeated to describe.
Specifically, being different from the structure of embodiment one as shown in figure 4, provide a kind of liquid cooling plate in the present embodiment
Be: the cross-sectional area of a plurality of runner 202 is rectangle, rectangle or other irregular shapes.
In the present embodiment, the method that heat-radiating substrate 100 uses extrusion molding after die sinking, all runners 202 squeeze out again
It is synchronous with heat-radiating substrate 100 when molding to generate, therefore runner 202 is omitted the technique of depth drill, significantly reduces scattered
The manufacturing cost of hot substrate 100.By then passing through mold extrusion molding, therefore the section of flow channel for liquids 200 can be circle,
Can be rectangle, rectangle even odd-shaped cross section, completely can as needed depending on.
Embodiment three
This embodiment offers a kind of optical fiber laser, the light laser includes in embodiment one or embodiment two
Liquid cooling plate.
Specifically, the liquid cooling plate in the present embodiment, the cross-sectional area of sprue is greater than the cross-sectional area of runner, sprue
Including water inlet sprue 201 and water outlet sprue 203.The more serious component that generates heat in light laser is mounted on into water mainstream
Road 201 or water outlet sprue 203 on, the lesser component that generates heat is mounted on runner 202, in multiple components fever compared with
Small component is correspondingly arranged at the top of the runner 202 of varying cross-section product according to the size of calorific value.The present embodiment mentions
The optical fiber laser of confession, using the liquid cooling plate that embodiment one or embodiment two provide, liquid cooling plate can be according to inner heat member device
The size of part calorific value carries out differentiation design, and manufacturing process is simple, better heat-radiation effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615241.1A CN109411998A (en) | 2018-12-27 | 2018-12-27 | A kind of liquid cooling plate and optical fiber laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615241.1A CN109411998A (en) | 2018-12-27 | 2018-12-27 | A kind of liquid cooling plate and optical fiber laser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429457A (en) * | 2019-08-19 | 2019-11-08 | 北京东方锐镭科技有限公司 | A kind of hot and cold water sink component for laser crystal |
| CN114336231A (en) * | 2021-12-29 | 2022-04-12 | 武汉锐科光纤激光技术股份有限公司 | Cooling device for optics |
| CN117295292A (en) * | 2023-08-22 | 2023-12-26 | 云尖信息技术有限公司 | Liquid cooling device |
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Application publication date: 20190301 |