CN112769027B - Cooling water connecting pipe in carbon dioxide laser pipe - Google Patents
Cooling water connecting pipe in carbon dioxide laser pipe Download PDFInfo
- Publication number
- CN112769027B CN112769027B CN202110158324.8A CN202110158324A CN112769027B CN 112769027 B CN112769027 B CN 112769027B CN 202110158324 A CN202110158324 A CN 202110158324A CN 112769027 B CN112769027 B CN 112769027B
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- Prior art keywords
- pipe
- cooling water
- shaped
- shaped pipe
- tube
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- 239000000498 cooling water Substances 0.000 title claims abstract description 112
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 18
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive 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
- H01S3/041—Arrangements for thermal management for gas lasers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a cooling water connecting pipe in a carbon dioxide laser pipe, which is connected between a cooling water pipe and a cooling water outlet, and adopts a multi-section arc-shaped structure design. On the premise of not increasing the cost, the length of the cooling water pipe and the length of the discharge pipe, which are increased due to thermal expansion, are not conducted to the pipe shell, the joint of the cooling water pipe and the cooling water outlet is not extruded greatly, and the breakage of the laser pipe is reduced.
Description
Technical Field
The invention belongs to the technical field of carbon dioxide laser tubes, and particularly relates to a cooling water connecting tube in a carbon dioxide laser tube.
Background
The current sealed carbon dioxide laser tube mainly comprises a high borosilicate glass sintered, referring to fig. 1, a tail mirror 1, an anode 2, a shell 3, an air return pipe 4, a cooling water pipe 5, a discharge pipe 6, a cooling water outlet 7, a cathode 8, an output mirror 9, a cooling water inlet 10 and the like. When the laser tube works, heat of the discharge tube can be taken away by cooling water in the cooling water tube, but when the temperature of the use environment of the laser tube is too low or the cooling water cooling effect is poor, the temperature difference between the cooling water tube and the tube shell is relatively large, and compared with the length of the tube shell, the cooling water tube is more expanded by heating, and the joint of the cooling water tube and the cooling water outlet is greatly extruded, so that the laser tube is broken. To solve this problem, it is necessary to prevent the expansion of the discharge vessel and the cooling water pipe from being conducted to the envelope.
Therefore, how to provide a cooling water connection tube in a carbon dioxide laser tube is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a cooling water connecting pipe in a carbon dioxide laser tube, which can prevent the length of the cooling water pipe and the length of the discharge tube, which are increased by thermal expansion, from being conducted to the tube shell on the premise of not increasing the cost, and prevent the joint of the cooling water pipe and the cooling water outlet from being extruded greatly, thereby reducing the breakage of the laser tube.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a cooling water connecting pipe in a carbon dioxide laser pipe is connected between a cooling water pipe and a cooling water outlet, and the connecting pipe adopts a multi-section arc-shaped structural design.
Preferably, the connecting pipe is located in the housing of the carbon dioxide laser tube, the cooling water outlet penetrates through the housing of the carbon dioxide laser tube, the part extending into the housing of the carbon dioxide laser tube is connected with one end of the connecting pipe, and the other end of the connecting pipe is connected with the cooling water pipe.
Preferably, the connecting pipe comprises a first U-shaped pipe, a straight pipe and a second U-shaped pipe, wherein the first U-shaped pipe, the straight pipe and the second U-shaped pipe are in a plane, one end of the first U-shaped pipe is connected with the cooling water pipe, the other end of the first U-shaped pipe is connected with one end of the straight pipe, the other end of the straight pipe is connected with one end of the second U-shaped pipe, and the other end of the second U-shaped pipe is connected with the cooling water outlet.
Preferably, the connecting pipe comprises a third U-shaped pipe, a first arc-shaped pipe and a fourth U-shaped pipe; one end of the third U-shaped pipe is connected with the cooling water pipe, the other end of the third U-shaped pipe is connected with one end of the first arc-shaped pipe, the other end of the first arc-shaped pipe is connected with one end of the fourth U-shaped pipe, and the other end of the fourth U-shaped pipe is connected with the cooling water outlet; the third U-shaped pipe is positioned at one side of the cooling water pipe, the first arc-shaped pipe is arranged on the cooling water pipe in a supporting mode, and the fourth U-shaped pipe is positioned at the other side of the cooling water pipe; the cooling water outlet is positioned at one end close to the joint of the cooling water pipe and the third U-shaped pipe.
Preferably, the connecting tube comprises a fifth U-shaped tube, a second arc-shaped tube and a sixth U-shaped tube; one end of the fifth U-shaped pipe is connected with the cooling water pipe, the other end of the fifth U-shaped pipe is connected with one end of the second arc-shaped pipe, the other end of the second arc-shaped pipe is connected with one end of the sixth U-shaped pipe, and the other end of the sixth U-shaped pipe is connected with the cooling water outlet; the fifth U-shaped pipe is positioned on one side of the cooling water pipe, the second arc-shaped pipe is arranged on the cooling water pipe in a supporting mode, and the sixth U-shaped pipe is positioned on the other side of the cooling water pipe; and the cooling water outlet is positioned at one end far away from the joint of the cooling water pipe and the third U-shaped pipe.
The invention has the beneficial effects that:
According to the invention, the connecting pipe is arranged between the cooling water pipe and the cooling water outlet and is in an arc-shaped design, so that the elasticity of the connecting pipe is improved, the deformation of the cooling water pipe and the discharge pipe after being heated is released, the length of the cooling water pipe and the discharge pipe increased due to the expansion caused by heating is not conducted to the pipe shell, and the joint of the cooling water pipe and the cooling water outlet is not subjected to very large extrusion, so that the phenomenon of laser pipe breakage caused by low environmental temperature or poor cooling water cooling effect is effectively reduced in the use process of the laser pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a conventional sealed carbon dioxide laser tube.
Fig. 2 is a schematic structural view of an embodiment of the connecting tube of the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a schematic structural view of still another embodiment of the connecting tube of the present invention.
Fig. 5 is a front view of fig. 4.
Fig. 6 is a schematic structural view of another embodiment of the connecting tube of the present invention.
Fig. 7 is a front view of fig. 6.
Fig. 8 is a schematic view of the installation structure of the connection pipe of fig. 6.
Wherein, in the figure:
1-a tail mirror; 2-anode; 3-a housing; 4-an air return pipe; 5-cooling water pipes; 6-a discharge tube; 7-a cooling water outlet; 8-cathode; 9-an output mirror; 10-cooling water inlet; 11-a first U-shaped tube; 12-straight pipes; 13-a second U-shaped tube; 14-a third U-shaped tube; 15-a first arced tube; 16-a fourth U-shaped tube; 17-a fifth U-shaped tube; 18-a second arced tube; 19-a sixth U-shaped tube; 20-connecting pipes.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2-8, the invention provides a cooling water connecting pipe in a carbon dioxide laser pipe, wherein a connecting pipe 20 is connected between a cooling water pipe 5 and a cooling water outlet 7, and the connecting pipe 20 adopts a multi-section arc-shaped structure design.
In this embodiment, the connecting pipe is located in the housing 3 of the carbon dioxide laser tube, the cooling water outlet 7 penetrates through the housing 3 of the carbon dioxide laser tube, the part extending into the housing 3 of the carbon dioxide laser tube is connected to one end of the connecting pipe, and the other end of the connecting pipe is connected to the cooling water pipe 5.
Referring to fig. 2-3, in this embodiment, the connecting tube includes a first U-shaped tube 11, a straight tube 12 and a second U-shaped tube 13, where the first U-shaped tube 11, the straight tube 12 and the second U-shaped tube 13 are in a plane, one end of the first U-shaped tube 11 is connected to the cooling water tube 5, the other end is connected to one end of the straight tube 12, the other end of the straight tube 12 is connected to one end of the second U-shaped tube 13, and the other end of the second U-shaped tube 13 is connected to the cooling water outlet 7.
Referring to fig. 4 to 5, in the present embodiment, the connection pipe includes a third U-shaped pipe 14, a first arc-shaped pipe 15, and a fourth U-shaped pipe 16; one end of the third U-shaped pipe 14 is connected with the cooling water pipe 5, the other end of the third U-shaped pipe is connected with one end of the first arc-shaped pipe 15, the other end of the first arc-shaped pipe 15 is connected with one end of the fourth U-shaped pipe 16, and the other end of the fourth U-shaped pipe 16 is connected with the cooling water outlet 7; the third U-shaped pipe 14 is positioned on one side of the cooling water pipe 5, the first arc-shaped pipe 15 is erected on the cooling water pipe 5, and the fourth U-shaped pipe 16 is positioned on the other side of the cooling water pipe 5; the cooling water outlet 7 is located at one end near the junction of the cooling water pipe 5 and the third U-shaped pipe 14.
Referring to fig. 6 to 7, in the present embodiment, the connection pipe includes a fifth U-shaped pipe 17, a second arc-shaped pipe 18, and a sixth U-shaped pipe 19; one end of the fifth U-shaped pipe 17 is connected with the cooling water pipe 5, the other end of the fifth U-shaped pipe is connected with one end of the second arc-shaped pipe 18, the other end of the second arc-shaped pipe 18 is connected with one end of the sixth U-shaped pipe 19, and the other end of the sixth U-shaped pipe 19 is connected with the cooling water outlet 7; the fifth U-shaped pipe 17 is positioned at one side of the cooling water pipe 5, the second arc-shaped pipe 18 is arranged on the cooling water pipe 5, and the sixth U-shaped pipe 19 is positioned at the other side of the cooling water pipe 5; the cooling water outlet 7 is located at an end remote from the junction of the cooling water pipe 5 and the third U-shaped pipe 14.
Experiments prove that the three modes adopted by the connecting pipe can meet the expected requirements, and more deformation can be released by adopting the mode of fig. 6, so that the effect is optimal.
According to the invention, the connecting pipe is arranged between the cooling water pipe 5 and the cooling water outlet 7 and is in an arc-shaped design, so that the elasticity of the connecting pipe is improved, the deformation of the cooling water pipe 5 and the discharge pipe after being heated is released, the length of the cooling water pipe 5 and the discharge pipe increased due to thermal expansion is not conducted to the pipe shell, and the joint of the cooling water pipe 5 and the cooling water outlet 7 is not extruded greatly, so that the phenomenon of laser pipe cracking caused by low environmental temperature or poor cooling water cooling effect is effectively reduced in the use process of the laser pipe.
The invention lengthens the connecting pipe part between the cooling water pipe 5 and the cooling water outlet 7 when firing the pipe shell, and makes a plurality of arc turns to improve the elasticity of the connecting pipe and release the deformation of the cooling water pipe 5 and the discharge pipe after being heated. The connecting pipe welded on the cooling water pipe 5 is wound around more than one radian at two sides or one side of the cooling water pipe 5 and is connected with the cooling water outlet 7, so that the connecting pipe can keep certain rigidity, can support the cooling water pipe 5 and the discharge pipe, can also have certain elasticity, and can release the deformation of the cooling water pipe 5 and the discharge pipe after being heated, thereby reducing the phenomenon of laser pipe breakage.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The cooling water connecting pipe in the carbon dioxide laser pipe is characterized in that the connecting pipe is connected between the cooling water pipe and the cooling water outlet, and the connecting pipe adopts a multi-section arc-shaped structure design; the connecting pipe is welded on the cooling water pipe;
The connecting pipe comprises a first U-shaped pipe, a straight pipe and a second U-shaped pipe, wherein the first U-shaped pipe, the straight pipe and the second U-shaped pipe are arranged in a plane, one end of the first U-shaped pipe is connected with the cooling water pipe, the other end of the first U-shaped pipe is connected with one end of the straight pipe, the other end of the straight pipe is connected with one end of the second U-shaped pipe, and the other end of the second U-shaped pipe is connected with the cooling water outlet;
Or the connecting pipe comprises a third U-shaped pipe, a first arc-shaped pipe and a fourth U-shaped pipe; one end of the third U-shaped pipe is connected with the cooling water pipe, the other end of the third U-shaped pipe is connected with one end of the first arc-shaped pipe, the other end of the first arc-shaped pipe is connected with one end of the fourth U-shaped pipe, and the other end of the fourth U-shaped pipe is connected with the cooling water outlet; the third U-shaped pipe is positioned at one side of the cooling water pipe, the first arc-shaped pipe is arranged on the cooling water pipe in a supporting mode, and the fourth U-shaped pipe is positioned at the other side of the cooling water pipe; the cooling water outlet is positioned at one end close to the joint of the cooling water pipe and the third U-shaped pipe;
or the connecting pipe comprises a fifth U-shaped pipe, a second arc-shaped pipe and a sixth U-shaped pipe; one end of the fifth U-shaped pipe is connected with the cooling water pipe, the other end of the fifth U-shaped pipe is connected with one end of the second arc-shaped pipe, the other end of the second arc-shaped pipe is connected with one end of the sixth U-shaped pipe, and the other end of the sixth U-shaped pipe is connected with the cooling water outlet; the fifth U-shaped pipe is positioned on one side of the cooling water pipe, the second arc-shaped pipe is arranged on the cooling water pipe in a supporting mode, and the sixth U-shaped pipe is positioned on the other side of the cooling water pipe; and the cooling water outlet is positioned at one end far away from the joint of the cooling water pipe and the fifth U-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158324.8A CN112769027B (en) | 2021-02-04 | 2021-02-04 | Cooling water connecting pipe in carbon dioxide laser pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158324.8A CN112769027B (en) | 2021-02-04 | 2021-02-04 | Cooling water connecting pipe in carbon dioxide laser pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112769027A CN112769027A (en) | 2021-05-07 |
| CN112769027B true CN112769027B (en) | 2024-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110158324.8A Active CN112769027B (en) | 2021-02-04 | 2021-02-04 | Cooling water connecting pipe in carbon dioxide laser pipe |
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| Country | Link |
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| CN (1) | CN112769027B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237115A (en) * | 2008-03-03 | 2008-08-06 | 徐海军 | A laser pipe with spiral pipe structure |
| CN214673437U (en) * | 2021-02-04 | 2021-11-09 | 北京镭海激光科技有限公司 | Cooling water connecting pipe in carbon dioxide laser tube |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4280132B2 (en) * | 2003-08-29 | 2009-06-17 | 株式会社ニデック | Gas laser device |
| JP4965466B2 (en) * | 2008-01-10 | 2012-07-04 | 三菱電機株式会社 | Laser oscillator |
| CN202586070U (en) * | 2012-05-18 | 2012-12-05 | 石家庄众鑫恒达商贸有限公司 | Carbon dioxide laser tube structure for improving cooling system and prolonging service life |
| CN203193113U (en) * | 2013-03-15 | 2013-09-11 | 北京镭海激光科技有限公司 | Novel-structure sealed-off carbon dioxide laser tube |
| CN203481617U (en) * | 2013-06-18 | 2014-03-12 | 上海山普激光技术有限公司 | CO2 laser tube |
| CN206094994U (en) * | 2016-08-22 | 2017-04-12 | 苏州市华宁机械制造有限公司 | Bushing type pre -heater |
| CN207651791U (en) * | 2017-11-29 | 2018-07-24 | 李鹤群 | A kind of high pressure activation carbon dioxide sealed type laser |
| CN209516300U (en) * | 2019-04-24 | 2019-10-18 | 北京锐束激光技术有限责任公司 | A kind of cooling structure of CO 2 laser tube |
-
2021
- 2021-02-04 CN CN202110158324.8A patent/CN112769027B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237115A (en) * | 2008-03-03 | 2008-08-06 | 徐海军 | A laser pipe with spiral pipe structure |
| CN214673437U (en) * | 2021-02-04 | 2021-11-09 | 北京镭海激光科技有限公司 | Cooling water connecting pipe in carbon dioxide laser tube |
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| Publication number | Publication date |
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| CN112769027A (en) | 2021-05-07 |
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