CN112698460A - CVD diamond scattering sheet - Google Patents
CVD diamond scattering sheet Download PDFInfo
- Publication number
- CN112698460A CN112698460A CN201911001803.8A CN201911001803A CN112698460A CN 112698460 A CN112698460 A CN 112698460A CN 201911001803 A CN201911001803 A CN 201911001803A CN 112698460 A CN112698460 A CN 112698460A
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- Prior art keywords
- water
- cooling
- diamond
- scattering
- driving motor
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 72
- 239000010432 diamond Substances 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- -1 rare earth phosphate Chemical class 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses a CVD diamond cooling fin device which comprises a diamond scattering fin, a water circulation driving device, a scattering fin water cooling device and a diamond scattering fin outer frame, wherein the diamond scattering fin is arranged in the diamond scattering fin outer frame, the scattering fin water cooling device is fixedly connected to the outer surface of the diamond scattering fin outer frame, the water circulation driving device is arranged in the scattering fin water cooling device, the diamond scattering fin outer frame comprises a water-cooling upper water tank, a water-cooling lower water tank, a water-cooling circulation pipeline and a cooling copper pipe, the water-cooling lower water tank and the water-cooling upper water tank are arranged on the diamond scattering fin outer frame, one end of the water-cooling circulation pipeline is connected to the side surface of the water-cooling lower water tank, the other end of the water-cooling circulation pipeline is connected to the side surface of the water-cooling upper water tank. The invention belongs to the field of optics and optical engineering, and particularly relates to a CVD diamond radiating fin device capable of effectively improving the threshold value of a radiating fin.
Description
Technical Field
The invention belongs to the technical field of optics and optical engineering, and particularly relates to a CVD diamond scattering sheet device.
Background
At present, the scattering sheet is mainly used for diffraction and refraction applications, but in the use process, a part of laser light entering the scattering sheet is scattered by the surface of the scattering sheet, and the other part of laser light is secondarily scattered on the other surface, and the energy of the secondarily scattered laser light can cause the temperature of the scattering sheet to rise, so that the tolerance of the scattering sheet to the laser power threshold is low.
Patent application No. CN201880005732.6 discloses a light diffusion sheet in which a light diffusion sheet (light scattering body) is formed of a resin molded body in which light scattering particles are dispersed in a resin. The light scattering particles are particles of rare earth phosphate. The problem that the temperature rises to cause the diffusion sheet to resist the laser red power is still not solved in the using process of the light diffusion sheet.
Disclosure of Invention
In order to solve the problems, the invention provides a CVD diamond scattering sheet device which can quickly dissipate heat and improve the laser threshold value.
In order to realize the functions, the technical scheme adopted by the invention is as follows: a CVD diamond scattering sheet device comprises a diamond scattering sheet, a water circulation driving device, a scattering sheet water cooling device and a diamond scattering sheet outer frame, wherein the diamond scattering sheet is arranged in the diamond scattering sheet outer frame, the scattering sheet water cooling device is arranged on the outer surface of the diamond scattering sheet outer frame, the water circulation driving device is arranged in the scattering sheet water cooling device, the diamond scattering sheet outer frame comprises a water-cooling upper water tank, a water-cooling lower water tank, a water-cooling circulating pipeline and a heat dissipation copper pipe, the water-cooling lower water tank and the water-cooling upper water tank are fixedly connected and arranged on the outer surfaces of two opposite ends of the diamond scattering sheet outer frame, one end of the water-cooling circulating pipeline is arranged on the side surface of the water-cooling lower water tank, the other end of the water-cooling circulating pipeline is arranged on the side surface of the water-cooling upper water tank, the diamond diffuser was made of CVD diamond single crystal with a diameter of 1 inch and a thickness of 5 mm.
Further, water circulation drive arrangement includes water-cooling driving motor, water-cooling driving motor safety cover and circular screw, the water-cooling driving motor safety cover is located on the water-cooling launching tank inside wall, water-cooling driving motor locates in the water-cooling driving motor safety cover for guarantee that the motor does not directly contact water, circular screw locates in water-cooling driving motor's the axis of rotation.
Furthermore, the outer frame of the diamond sheet scattering sheet is arranged in a hollow cylinder structure.
Furthermore, the water-cooling upper water tank and the water-cooling lower water tank are of hollow structures.
Further, the water-cooling circulating pipeline is of a hollow arc-shaped cylinder structure.
Furthermore, a water-cooling mirror surface channel is arranged in the diamond scattering sheet.
Further, the upper bottom surface and the lower bottom surface of the diamond scattering sheet are mechanically and roughly ground to have the surface roughness of 100 um.
The invention adopts the structure to obtain the following beneficial effects: according to the CVD diamond scattering sheet device, the scattering sheet is made of CVD diamond, the thermal conductivity of the CVD diamond is high, heat can be rapidly transmitted in the scattering sheet, the temperature of the radiating sheet is controlled by mainly using water cooling through arranging the water-cooling mirror surface passage in the scattering sheet, and the radiating copper pipes are arranged on the side surfaces of the water-cooling upper water tank and the water-cooling lower water tank, so that the heat in the water-cooling device is conveniently radiated into the air through the radiating copper pipes, the effect of the water-cooling device is enhanced, and the laser power threshold is improved.
Drawings
FIG. 1 is an overall structural view of a CVD diamond scattering sheet device according to the present invention;
FIG. 2 is a left side view of a CVD diamond scattering sheet device according to the present invention.
The diamond scattering sheet cooling device comprises a diamond scattering sheet 1, a diamond scattering sheet 2, a scattering sheet water cooling device 3, a water circulation driving device 4, a diamond scattering sheet outer frame 5, a water cooling mirror surface channel 6, a water cooling water feeding groove 7, a water cooling water discharging groove 8, a heat dissipation copper pipe 9, a water cooling circulation pipeline 10, a water cooling driving motor protective cover 11, a water cooling driving motor 12 and a circular propeller.
Detailed Description
The technical solutions of the present invention will be described in further detail with reference to specific implementations, and all the portions of the present invention that are not described in detail in the technical features or the connection relationships of the present invention are the prior art.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the CVD diamond scattering sheet device of the present invention comprises a diamond scattering sheet 1, a water circulation driving device 3, a scattering sheet water cooling device 2 and a diamond scattering sheet outer frame 4, wherein the diamond scattering sheet 1 is arranged in the diamond scattering sheet outer frame 4, the scattering sheet water cooling device 2 is fixedly connected to the outer surface of the diamond scattering sheet outer frame 4, the water circulation driving device 3 is arranged in the scattering sheet water cooling device 2, the diamond scattering sheet outer frame 4 comprises a water-cooling upper water tank 6, a water-cooling lower water tank 7, a water-cooling circulation pipeline 9 and a heat dissipation copper pipe 8, the water-cooling lower water tank 7 and the water-cooling upper water tank 6 are arranged on the outer surface of two opposite ends of the diamond scattering sheet outer frame 4, one end of the water-cooling circulation pipeline 9 is connected to the side surface of the water-cooling lower water tank 7, the other end of the water-cooling circulation pipeline 9 is connected to the side surface of, the diamond diffusion sheet 1 is made of CVD diamond single crystal.
The water circulation driving device 3 comprises a water-cooling driving motor 11, a water-cooling driving motor protective cover 10 and a circular propeller 12, the water-cooling driving motor protective cover 10 is arranged on the inner side wall of the water-cooling water drainage tank 7, the water-cooling driving motor 11 is arranged in the water-cooling driving motor protective cover 10, and the circular propeller 12 is arranged on a rotating shaft of the water-cooling driving motor 11.
The outer frame 4 of the diamond sheet scattering sheet is arranged in a hollow cylinder structure.
The water-cooling upper water tank 6 and the water-cooling lower water tank 7 are of hollow structures.
The water-cooling circulating pipeline 9 is of a hollow arc-shaped cylinder structure.
A water-cooling mirror surface channel 5 is arranged in the diamond scattering sheet 1.
The roughness of the upper bottom surface and the lower bottom surface of the diamond scattering sheet 1 is 100um after mechanical rough grinding.
When specifically using, during laser and vertical incidence diamond scattering piece 1, the energy part is by the surface scattering, the part is transmitted, transmission part is at another surface secondary scattering, because CVD diamond thermal conductivity is high, the heat can be transmitted in diamond scattering piece 1 fast, start water-cooling driving motor 11, water-cooling driving motor 11 drives circular screw 12 and rotates, and then drive the water-cooling liquid and flow, liquid passes through water-cooling mirror surface route 5, reduce diamond scattering piece 1 temperature, self is through setting up cell body 6 and the heat dissipation copper pipe 8 of cell body 7 side under the water-cooling, in the air with heat transfer, keep self temperature stable, and then play temperature control's effect, thereby improve the laser power threshold value.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A CVD diamond heat sink device characterized by: including diamond scattering piece, hydrologic cycle drive arrangement, scattering piece water cooling plant and diamond scattering piece frame, the diamond scattering piece is located in the diamond scattering piece frame, diamond scattering piece water cooling plant rigid coupling is located diamond scattering piece frame surface, hydrologic cycle drive arrangement locates in the scattering piece water cooling plant, diamond scattering piece frame includes water-cooling water feeding tank, water-cooling basin, water-cooling circulating line and heat dissipation copper pipe down, water-cooling basin and water-cooling water feeding tank locate on the surface of the double-phase opposite end of diamond scattering piece frame, water-cooling circulating line one end connects in water-cooling basin side down, water-cooling circulating line other end connects in water-cooling water feeding tank side, the side of water-cooling basin and water-cooling water feeding tank is evenly located to the heat dissipation copper pipe, the diamond scattering piece is made by CVD diamond single crystal.
2. A CVD diamond heat sink device according to claim 1, wherein: the water circulation driving device comprises a water-cooling driving motor, a water-cooling driving motor protective cover and a circular propeller, wherein the water-cooling driving motor protective cover is arranged on the inner side wall of the water-cooling water tank, the water-cooling driving motor is arranged in the water-cooling driving motor protective cover, and the circular propeller is arranged on the rotating shaft of the water-cooling driving motor.
3. A CVD diamond heat sink device according to claim 1, wherein: the outer frame of the diamond sheet scattering sheet is arranged in a hollow cylinder structure.
4. A CVD diamond heat sink device according to claim 1, wherein: the water-cooling upper water tank and the water-cooling lower water tank are of hollow structures.
5. A CVD diamond heat sink device according to claim 1, wherein: the water-cooling circulating pipeline is of a hollow arc-shaped cylinder structure.
6. A CVD diamond heat sink device according to claim 1, wherein: and a water-cooling mirror surface channel is arranged in the diamond scattering sheet.
7. A CVD diamond heat sink device according to claim 1, wherein: the surface roughness of the upper bottom surface and the lower bottom surface of the diamond scattering sheet is 100um after mechanical rough grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001803.8A CN112698460A (en) | 2019-10-21 | 2019-10-21 | CVD diamond scattering sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001803.8A CN112698460A (en) | 2019-10-21 | 2019-10-21 | CVD diamond scattering sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112698460A true CN112698460A (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911001803.8A Pending CN112698460A (en) | 2019-10-21 | 2019-10-21 | CVD diamond scattering sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112698460A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465341A (en) * | 2014-12-05 | 2015-03-25 | 北京科技大学 | Method for forming P-N junction in selected region on surface of diamond film through diffusion |
| JP2016177245A (en) * | 2015-03-20 | 2016-10-06 | ビジョン開発株式会社 | Transmission screen and method for producing the same |
| CN207155594U (en) * | 2017-08-02 | 2018-03-30 | 河南诺威磨具有限公司 | A kind of high radiating skive |
| CN109142313A (en) * | 2018-08-03 | 2019-01-04 | 吉林大学 | The diamond substrate and preparation method thereof of semiconductor surface enhancing Raman scattering |
-
2019
- 2019-10-21 CN CN201911001803.8A patent/CN112698460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465341A (en) * | 2014-12-05 | 2015-03-25 | 北京科技大学 | Method for forming P-N junction in selected region on surface of diamond film through diffusion |
| JP2016177245A (en) * | 2015-03-20 | 2016-10-06 | ビジョン開発株式会社 | Transmission screen and method for producing the same |
| CN207155594U (en) * | 2017-08-02 | 2018-03-30 | 河南诺威磨具有限公司 | A kind of high radiating skive |
| CN109142313A (en) * | 2018-08-03 | 2019-01-04 | 吉林大学 | The diamond substrate and preparation method thereof of semiconductor surface enhancing Raman scattering |
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Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |