CN217281624U - Active cooling semiconductor laser tube shell - Google Patents
Active cooling semiconductor laser tube shell Download PDFInfo
- Publication number
- CN217281624U CN217281624U CN202220433456.7U CN202220433456U CN217281624U CN 217281624 U CN217281624 U CN 217281624U CN 202220433456 U CN202220433456 U CN 202220433456U CN 217281624 U CN217281624 U CN 217281624U
- Authority
- CN
- China
- Prior art keywords
- water
- semiconductor laser
- laser tube
- optical fiber
- tube shell
- 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.)
- Active
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Lasers (AREA)
Abstract
The utility model relates to the technical field of optical fibers, in particular to an actively-cooled semiconductor laser tube shell, which comprises a semiconductor laser tube shell body, wherein an optical fiber mode stripper is arranged on the semiconductor laser tube shell body, a water passing mechanism is also connected on the semiconductor laser tube shell body, and a water inlet and a water outlet are arranged on the water passing mechanism; and cooling water entering from the water inlet of the water passing mechanism flows out from the water outlet of the water passing mechanism after heat exchange is carried out between the semiconductor laser tube shell body and the interior of the optical fiber mode stripper. The purpose is to realize the water supply of the flow passage through an external water-passing mechanism, and the cooling water can directly and uniformly act on a plurality of heat dissipation surfaces with different heights, so that the heat dissipation efficiency is improved; and partial cooling water is introduced into the optical fiber mode stripper of the upper device through the inner channel of the semiconductor laser tube shell body to form a micro-channel water path, so that the heat dissipation of the optical fiber mode stripper is solved.
Description
Technical Field
The utility model belongs to the technical field of the optic fibre, concretely relates to active cooling's semiconductor laser tube.
Background
For a general semiconductor laser, the semiconductor laser is usually attached to a cold plate to perform effective heat dissipation (passive heat dissipation) during working, and a high-power semiconductor laser has a complex tube shell structure, a plurality of heat sources, distributed and dispersed heat sources and large overall heat, and partial devices need to be led in and led out by a water path, so that the design of a passive heat dissipation cold plate is extremely complex, and the heat dissipation efficiency is low; active cooling is therefore the primary heat dissipation scheme for high power semiconductor lasers.
SUMMERY OF THE UTILITY MODEL
The utility model provides an actively cooled semiconductor laser tube shell for solving the heat dissipation problem of the semiconductor laser, which realizes the flow passage water supply through an external water mechanism, and the cooling water can directly and uniformly act on a plurality of heat dissipation surfaces with different heights, thereby improving the heat dissipation efficiency; and partial cooling water is introduced into the optical fiber mode stripper of the upper device through the inner channel of the semiconductor laser tube shell body to form a micro-channel water path, so that the heat dissipation of the optical fiber mode stripper is solved.
The utility model adopts the technical proposal that: an actively-cooled semiconductor laser tube shell comprises a semiconductor laser tube shell body, wherein an optical fiber mode stripper is arranged on the semiconductor laser tube shell body, a water passing mechanism is further connected to the semiconductor laser tube shell body, and a water inlet and a water outlet are formed in the water passing mechanism; and cooling water entering from the water inlet of the water passing mechanism flows out from the water outlet of the water passing mechanism after heat exchange is carried out in the semiconductor laser tube shell body and the optical fiber mode stripper.
Preferably, the water passing mechanism comprises a water passing base, the water inlet and the water outlet are arranged on the water passing base, and the water passing base is hermetically connected with the semiconductor laser tube shell body; the semiconductor laser tube shell body comprises a bottom cover and a laser tube shell, the bottom cover is connected with the laser tube shell in a sealing mode, a water path cavity is formed between the bottom cover and the laser tube shell, and cooling water entering from the water inlet flows out of the water outlet after passing through the water path cavity.
Preferably, the water inlets comprise a first water inlet and a second water inlet, and the water outlets comprise a first water outlet and a second water outlet; the first water inlet, the water path cavity and the first water outlet form a first cooling passage, and the second water inlet, the water path cavity and the second water outlet form a second cooling passage.
Preferably, the laser tube shell is connected with an optical fiber mode stripper, and a cooling water path inside the optical fiber mode stripper is communicated with a water inlet and a water outlet on the water passing seat.
Preferably, a cooling water path inside the optical fiber mode stripper is isolated from the mode stripping optical fiber on the optical fiber mode stripper, and the outer wall of the cooling water path is in contact with the mode stripping optical fiber for heat conduction.
Preferably, the cooling water path comprises a water inlet cavity and a water outlet cavity, the water inlet cavity and the water outlet cavity are wrapped outside the mode stripping optical fiber, the water inlet cavity and the water outlet cavity are isolated from each other, and the water inlet cavity and the water outlet cavity are communicated through capillary holes.
The utility model discloses an useful part lies in: the utility model discloses establish the active cooling framework at semiconductor laser tube shell base below design active cooling's runner, seal groove and location locking connection isotructure, realized like this that two income two of water route divide regional water supplies through leading to the water stand water supply, multiple spot position cooling heat dissipation design purpose. For a high-power semiconductor laser, not only the double-region large-area heat dissipation of an internal COS element region and an optical element region is realized, but also the heat dissipation of a cross-region preceding stage optical element region (an optical fiber mode stripper) is realized. The active water cooling framework which directly and uniformly acts cooling water flow on the heat dissipation surface overcomes the defects of low heat dissipation efficiency and large power-to-weight ratio (including a cold plate) of the traditional passive cooling type high-power laser.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a fiber mode stripper.
In the figure: 1-a water-through seat; 2-bottom cover; 3-laser tube shell; 4-a groove; 5-fiber mode stripper; 6-a first sealing ring; 7-water inlet pipe; 8-water outlet pipe; 9-a first water inlet; 10-a first water outlet; 11-a second water inlet; 12-a second water outlet; 13-mode stripping optical fiber; 14-a water inlet cavity; 15-water outlet chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, an actively-cooled semiconductor laser package comprises a semiconductor laser package body, wherein an optical fiber mode stripper 5 is arranged on the semiconductor laser package body, a water passing mechanism is further connected to the semiconductor laser package body, and a water inlet and a water outlet are formed in the water passing mechanism; the cooling water entering from the water inlet of the water passing mechanism flows out from the water outlet of the water passing mechanism after heat exchange is carried out between the semiconductor laser tube shell body and the optical fiber mode stripper 5. It can be understood that inside outside cooling water entered into semiconductor laser tube body from the water inlet that leads to water mechanism, to the inside heat transfer cooling that carries out of semiconductor laser tube body, inside cooling water can also enter into optical fiber mode stripper 5 behind the semiconductor laser tube body is inside to carry out the heat transfer cooling to the inside of optical fiber mode stripper 5, improved the radiating efficiency.
The water passing mechanism comprises a water passing base 1, the water passing base 1 is arranged below the semiconductor laser tube shell body, the water inlet and the water outlet are arranged on the water passing base 1, sealing rings are respectively arranged at the positions of the water inlet and the water outlet to ensure the sealing effect, and the water passing base 1 is connected with the semiconductor laser tube shell body in a sealing manner; the semiconductor laser tube shell body comprises a bottom cover 2 and a laser tube shell 3, an optical fiber mode stripper 5 is arranged in a groove 4 on the laser tube shell 3, the bottom cover 2 is connected with the laser tube shell 3 in a sealing way, a first sealing ring 6 is arranged between the bottom cover 2 and the laser tube shell 3, cooling water can be limited between the bottom cover 2 and the laser tube shell 3 to form a water channel cavity through the first sealing ring 6 and is indirectly contacted with components in the laser tube shell 3 through the cooling water, so that heat exchange cooling is ensured, the cooling water can be directly contacted with a plurality of heat dissipation surfaces with different heights due to the filling of the cooling water, so that the heat dissipation surfaces with different heights can be subjected to heat exchange, the heat exchange speed is accelerated, a water channel cavity is formed between the bottom cover 2 and the laser tube shell 3, the cooling water is always in the water channel cavity and cannot flow into the laser tube shell 3, and cooling water entering from the water inlet flows out of the water outlet after passing through the waterway cavity.
The further technical scheme is that the water inlets comprise a first water inlet 9 and a second water inlet 11, and the water outlets comprise a first water outlet 10 and a second water outlet 12; the first water inlet 9, the waterway cavity and the first water outlet 10 form a first cooling passage, and the second water inlet 11, the waterway cavity and the second water outlet 12 form a second cooling passage. As shown in fig. 1, two mutually isolated heat dissipation cavities are arranged in the laser tube housing 3, heat dissipation surfaces with different heights (trapezoids) are located in different cavities, in order to guarantee the heat dissipation effect of all the heat dissipation surfaces, two groups of water inlets and water outlets are arranged to respectively form a first cooling passage and a second cooling passage, and each group of cooling passages is connected with a water inlet pipe 7 and a water outlet pipe 8, so that the cooling effect is guaranteed.
An optical fiber mode stripper 5 is connected to the laser tube shell 3, and a cooling water path inside the optical fiber mode stripper 5 is communicated with a water inlet and a water outlet on the water passing seat 1. It can be understood that the fiber mode stripper 5 is connected with the laser tube 3 by bolts, and water inlet and outlet passages into the fiber mode stripper 5 are arranged on the surface of the laser tube 3 in contact with the fiber mode stripper 5, so that after cooling water enters the water passage cavity formed between the bottom cover 2 and the laser tube 3, some water enters the fiber mode stripper 5 through the water inlet passage of the fiber mode stripper 5 to cool and exchange heat for the components inside the fiber mode stripper 5.
As shown in fig. 2, the cooling water path inside the optical fiber mode stripper 5 is isolated from the mode stripping optical fiber 13 on the optical fiber mode stripper 5, and the outer wall of the cooling water path is in contact with the mode stripping optical fiber 13 for heat conduction. When the cooling water is cooled in the optical fiber mode stripper 5, the cooling water does not directly contact the mode stripping optical fiber 13, but exchanges heat with the mode stripping optical fiber 13 through the outer wall, and the use of the mode stripping optical fiber 13 is not affected.
The cooling water path comprises a water inlet cavity 14 and a water outlet cavity 15, the water inlet cavity 14 and the water outlet cavity 15 are wrapped outside the mode stripping optical fiber 13, the water inlet cavity 14 and the water outlet cavity 15 are isolated from each other, and the water inlet cavity 14 is communicated with the water outlet cavity 15 through capillary holes. As shown in FIG. 2, the inlet cavity 14 and the outlet cavity 15 are arranged in parallel, the mode stripping optical fiber 13 passes through the lower parts of the inlet cavity 14 and the outlet cavity 15, and the inlet cavity 14 and the outlet cavity 15 are communicated through capillary holes, so that water entering the inlet cavity 14 can flow into the outlet cavity 15 through the capillary holes and finally flows into a water outlet from an outlet below the optical fiber mode stripper 5, and the cooling cycle is completed.
The specific working mode is as follows: taking one group of cooling flow paths as an example for explanation, after entering from the water inlet pipe 7, the cooling water flows into the first water inlet 9, then the cooling water enters between the bottom cover 2 and the laser tube housing 3 to form a water path cavity, and carries out heat exchange and temperature reduction on the heat dissipation surface, enters between the bottom cover 2 and the laser tube housing 3 to form the cooling water in the water path cavity, and a small part of the cooling water enters into the optical fiber mode stripper 5, flows into the water outlet cavity 15 from the water inlet cavity 14 of the optical fiber mode stripper 5, finally returns to between the bottom cover 2 and the laser tube housing 3 to form the water path cavity, and finally flows to the first water outlet 10 and flows out from the water outlet pipe 8, thereby completing the cycle heat exchange.
The above embodiments are preferred embodiments, it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be limited by the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides an active cooling's semiconductor laser tube, includes semiconductor laser tube body, set up optic fibre mode stripper (5) on the semiconductor laser tube body, its characterized in that: the semiconductor laser tube shell body is also connected with a water passing mechanism, and the water passing mechanism is provided with a water inlet and a water outlet; cooling water entering from a water inlet of the water passing mechanism flows out from a water outlet of the water passing mechanism after heat exchange is carried out in the semiconductor laser tube shell body and the optical fiber mode stripper (5).
2. An actively cooled semiconductor laser package as claimed in claim 1, wherein: the water passing mechanism comprises a water passing base (1), the water inlet and the water outlet are arranged on the water passing base (1), and the water passing base (1) is hermetically connected with the semiconductor laser tube shell body; the semiconductor laser tube shell body comprises a bottom cover (2) and a laser tube shell (3), the bottom cover (2) is in sealing connection with the laser tube shell (3), a water path cavity is formed between the bottom cover (2) and the laser tube shell (3), and cooling water entering from the water inlet flows out from the water outlet after passing through the water path cavity.
3. An actively cooled semiconductor laser package as claimed in claim 2, wherein: the water inlets comprise a first water inlet (9) and a second water inlet (11), and the water outlets comprise a first water outlet (10) and a second water outlet (12); the first water inlet (9), the waterway cavity and the first water outlet (10) form a first cooling passage, and the second water inlet (11), the waterway cavity and the second water outlet (12) form a second cooling passage.
4. An actively cooled semiconductor laser package as claimed in claim 3, wherein: an optical fiber mode stripper (5) is connected to the laser tube shell (3), and a cooling water path inside the optical fiber mode stripper (5) is communicated with a water inlet and a water outlet on the water passing seat (1).
5. An actively cooled semiconductor laser package as claimed in claim 4, wherein: and a cooling water path inside the optical fiber mode stripper (5) is mutually isolated from the mode stripping optical fiber (13) on the optical fiber mode stripper (5), and the outer wall of the cooling water path is in contact with the mode stripping optical fiber (13) for heat conduction.
6. An actively cooled semiconductor laser package as claimed in claim 5, wherein: the cooling water path comprises a water inlet cavity (14) and a water outlet cavity (15), the water inlet cavity (14) and the water outlet cavity (15) are wrapped outside the mode stripping optical fiber (13), the water inlet cavity (14) and the water outlet cavity (15) are isolated from each other, and the water inlet cavity (14) is communicated with the water outlet cavity (15) through capillary holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433456.7U CN217281624U (en) | 2022-03-01 | 2022-03-01 | Active cooling semiconductor laser tube shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433456.7U CN217281624U (en) | 2022-03-01 | 2022-03-01 | Active cooling semiconductor laser tube shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217281624U true CN217281624U (en) | 2022-08-23 |
Family
ID=82859824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220433456.7U Active CN217281624U (en) | 2022-03-01 | 2022-03-01 | Active cooling semiconductor laser tube shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217281624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115332939A (en) * | 2022-10-13 | 2022-11-11 | 合肥圣达电子科技实业有限公司 | High-power fiber laser packaging shell with heat dissipation channel |
-
2022
- 2022-03-01 CN CN202220433456.7U patent/CN217281624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115332939A (en) * | 2022-10-13 | 2022-11-11 | 合肥圣达电子科技实业有限公司 | High-power fiber laser packaging shell with heat dissipation channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217281624U (en) | Active cooling semiconductor laser tube shell | |
| CN113346342A (en) | Semiconductor optical fiber coupling laser and optical fiber laser | |
| CN204651670U (en) | Adopt the multikilowatt fiber cladding power stripper of microchannel water-cooled | |
| CN104852258A (en) | Kilowatt-level optical fiber cladding power stripper employing micro-channel water cooling | |
| TWM612525U (en) | Internal circulation type water cooling heat dissipation device | |
| WO2019062046A1 (en) | Liquid cooling block, liquid cooling heat dissipation system, and laser projector | |
| CN215185004U (en) | Laser beam combining system | |
| CN214152874U (en) | Housing of semiconductor device and semiconductor device | |
| CN213715872U (en) | Be applied to industrial control mobile terminal's waterproof heat radiation structure | |
| WO2021104217A1 (en) | Internal circulation type water-cooling heat dissipation device | |
| US20220316817A1 (en) | Liquid-cooling heat dissipation structure | |
| CN219576199U (en) | Heat dissipation assembly and semiconductor laser | |
| CN211909505U (en) | OTN heat dissipation equipment | |
| CN210959272U (en) | Jet cooling heat dissipation device and electronic device | |
| CN209594132U (en) | A kind of liquid-cooled charge power supply radiator, charge power supply | |
| CN212366419U (en) | Laser and laser cooling system | |
| CN111884041A (en) | Laser and laser cooling system | |
| CN217281625U (en) | Water-cooling type optical fiber mode stripper | |
| CN220402235U (en) | Liquid cooling shell | |
| CN212659533U (en) | Heat radiation structure of parallel power module | |
| CN219802141U (en) | Linear motor | |
| CN216700754U (en) | Liquid-cooled six-path power amplifier water-cooling plate runner structure | |
| CN217440432U (en) | Hydraulic oil cooler for hydraulic system | |
| CN219677456U (en) | Battery box sealing structure | |
| CN210222304U (en) | Optical fiber collimation beam combination packaging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |