CN114825006A - Output head with Raman filtering function - Google Patents
Output head with Raman filtering function Download PDFInfo
- Publication number
- CN114825006A CN114825006A CN202210467884.6A CN202210467884A CN114825006A CN 114825006 A CN114825006 A CN 114825006A CN 202210467884 A CN202210467884 A CN 202210467884A CN 114825006 A CN114825006 A CN 114825006A
- Authority
- CN
- China
- Prior art keywords
- raman
- sleeve
- mounting
- mounting support
- output head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 56
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 24
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
- H01S3/094046—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser of a Raman fibre laser
Abstract
The invention provides an output head with Raman filtering. The output head with Raman filtering comprises: the mounting support is provided with an external thread sleeve; the heat dissipation mechanism is arranged on the mounting support; the connecting joint is installed on the axis of the mounting support, an internal thread sleeve is arranged on the connecting joint, and the internal thread sleeve is installed on the external thread sleeve in a threaded mode. According to the output head with the Raman filtering function, the Raman grating arranged outside the connector is integrally arranged between the mounting support and the connecting connector, the connecting connector can conveniently carry out closed filtering on Raman light reflected by a cable, the Raman light and retro-reflected light can be better filtered, a laser is safer in use, the problem of welding of a plurality of devices is solved, and the process is simpler.
Description
Technical Field
The invention relates to the technical field of laser, in particular to an output head with Raman filtering.
Background
With the continuous development of society, the demand for cutting technology is continuously improved, the optical fiber laser technology becomes the development trend of future cutting, the optical fiber laser cutting has become a trend in the general metal processing industry, the optical fiber laser cutting is widely applied to sheet metal processing and the like, and with the increasing thickness of processed plates required by the market, the requirements on a core component laser and a laser processing head in laser processing equipment are more and more strict.
In the process of installing and using the optical fiber, an optical fiber output head is required to be used for connecting a laser and a laser head, and the importance of the optical fiber output head is self-evident, because the traditional QBH cooling mode cannot consume large energy caused by high power, and the optical fiber crystal head is deformed due to high temperature, the optical path fails and cannot work, so that a laser manufacturer can replace the optical fiber output head of the laser with more than ten-kilowatt level into a QD joint or a Q + joint, and correspondingly, the optical fiber joint also needs to be matched with the QD joint and the Q + joint.
In the prior art, in the installation and use process of the existing output head, in order to reduce laser reflection, a raman grating is added on a line of an optical fiber, and in the use process of a laser, the output head part can still normally reflect light, and the installation and use safety of the output head part needs to be further improved.
Therefore, it is necessary to provide an output head with raman filtering to solve the above technical problems.
Disclosure of Invention
The invention provides an output head with Raman filtering, which solves the problem that the safety of an optical fiber output head part needs to be improved.
In order to solve the above technical problem, the output head with raman filtering provided by the present invention comprises:
the mounting support is provided with an external thread sleeve;
the heat dissipation mechanism is arranged on the mounting support;
the connecting joint is arranged on the axis of the mounting support, an internal thread sleeve is arranged on the connecting joint, and the internal thread sleeve is arranged on the external thread sleeve in a threaded manner;
the heat exchange sleeve is fixedly arranged in the mounting support;
the limiting baffle ring is fixedly arranged in the connecting joint;
the grating mechanism comprises a mounting sleeve and a Raman grating, the mounting sleeve is movably mounted in the heat exchange sleeve, the Raman grating is fixedly mounted in the mounting sleeve, and the mounting sleeve is abutted between the limiting baffle ring and the heat exchange sleeve.
Preferably, the mounting support is provided with a drainage hole and a connecting hole, the drainage hole is communicated with the connecting hole, the heat dissipation mechanism comprises a fixing cover and a heat dissipation fan, the fixing cover is fixedly mounted on the mounting support, the heat dissipation fan is fixedly mounted in the fixing cover, and the connecting joint is provided with a ventilation hole.
Preferably, the fixing cover is communicated with the output end of the drainage hole, the output end of the heat dissipation fan faces the outside of the fixing cover, and the output end of the ventilation hole is communicated with the drainage hole.
Preferably, the mounting support is of a stainless steel structure, and the thickness of the mounting support is 5 mm.
Preferably, the fixed cover is a stainless steel pipe and is welded and fixed on the mounting support.
Preferably, the connecting joint is of a stainless steel structure, and the inner diameter of the connecting joint is the same as that of the mounting support.
Preferably, the heat exchange sleeve is a copper pipe, and the surface of the heat exchange sleeve is communicated with the connecting hole.
Preferably, threaded mounting groove has been seted up on the erection support, heat exchange sleeve movable mounting in the erection support, set up spacing card hole in the heat exchange sleeve, still include:
the adjusting screw shaft comprises a screw thread section and a locking shaft section, the screw thread section is installed in the screw thread installation groove, the locking shaft section is fixedly installed on the screw thread section, and the locking shaft section penetrates through the limiting clamp hole and extends into the heat exchange sleeve.
Preferably, the thread mounting groove is communicated with the limiting clamp hole, and the thread mounting groove and the limiting clamp hole are on the same axis.
Preferably, the surface of the adjusting screw shaft is made of a stainless steel structure, and the thread section and the locking shaft section are on the same axis.
Compared with the related art, the output head with Raman filtering provided by the invention has the following beneficial effects:
the invention provides an output head with Raman filtering, wherein a Raman grating arranged outside a connector is integrally arranged between an installation support and a connecting connector, the connecting connector is convenient for carrying out closed filtering on Raman light reflected by a cable, the Raman light and retro-reflected light can be better filtered, a laser is safer in use, the problem of fusion welding of a plurality of devices is reduced, and the process is simpler.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of an output head with raman filtering provided by the present invention;
FIG. 2 is a schematic structural view of the whole shown in FIG. 1;
FIG. 3 is a three-dimensional view of the portion of the grating mechanism shown in FIG. 2;
FIG. 4 is a schematic diagram of a second embodiment of the output head with Raman filtering provided by the present invention;
FIG. 5 is a fragmentary view of the heat exchange sleeve portion shown in FIG. 4;
fig. 6 is a schematic structural diagram of an optimized scheme of the output head with raman filtering provided by the invention.
The reference numbers in the figures:
1. the mounting support comprises a mounting support seat 101, drainage holes 102, a connecting hole 103, an external thread sleeve 104 and a thread mounting groove;
2. the heat dissipation mechanism 21, the fixed cover 22 and the heat dissipation fan;
3. a connecting joint 301, a ventilation hole 302 and an internal thread sleeve;
4. a heat exchange sleeve 401 and a limiting clamp hole;
5. a limit stop ring;
6. a grating mechanism 61, a mounting sleeve 62 and a Raman grating;
7. an adjusting screw shaft 71, a thread section 72 and a locking shaft section;
8. a limiting cover.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of an output head with raman filtering according to the present invention; FIG. 2 is a schematic structural view of the whole shown in FIG. 1; fig. 3 is a three-dimensional view of the portion of the grating mechanism shown in fig. 2.
An output head with raman filtering, comprising:
the mounting support comprises a mounting support 1, wherein an external thread sleeve 103 is arranged on the mounting support 1;
the heat dissipation mechanism 2 is arranged on the mounting support 1;
the connecting joint 3 is mounted on the axis of the mounting support 1, an internal thread sleeve 302 is arranged on the connecting joint 3, and the internal thread sleeve 302 is mounted on the external thread sleeve 103 in a threaded manner;
the heat exchange sleeve 4 is fixedly arranged in the mounting support 1;
the limiting baffle ring 5 is fixedly arranged in the connecting joint 3;
the grating mechanism 6 comprises a mounting sleeve 61 and a Raman grating 62, the mounting sleeve 61 is movably mounted in the heat exchange sleeve 4, the Raman grating 62 is fixedly mounted in the mounting sleeve 61, and the mounting sleeve 61 is abutted between the limit stop ring 5 and the heat exchange sleeve 4.
Will install and connect outside raman grating integration to install between erection support 1 and attach fitting 3, attach fitting 3 conveniently carries out closed filtering to the raman light of cable reflection, can be better with raman light and return reflection of light filtering, makes laser instrument in use safer, reduces the butt fusion problem of a plurality of devices to make the technology simpler.
The mounting support 1 is provided with a drainage hole 101 and a connecting hole 102, the drainage hole 101 is communicated with the connecting hole 102, the heat dissipation mechanism 2 comprises a fixing cover 21 and a heat dissipation fan 22, the fixing cover 21 is fixedly mounted on the mounting support 1, the heat dissipation fan 22 is fixedly mounted in the fixing cover 21, and the connecting joint 3 is provided with a ventilation hole 301.
Through increasing heat dissipation mechanism 2, conveniently carry out air conduction to drainage hole 101 and draught vent 301, increase the radiating efficiency to 4 parts of heat exchange sleeve pipe, improve the stability of equipment operation period.
When in use, the heat radiation fan 22 is connected with an external power supply to provide air conduction function for the fixed cover 21.
The fixed cover 21 is communicated with the output end of the drainage hole 101, the output end of the heat dissipation fan 22 faces the outside of the fixed cover 21, and the output end of the ventilation hole 301 is communicated with the drainage hole 101.
The joint of the air vent 301 and the drainage hole 101 is in an annular groove structure, and at least four groups of air vents 301 are arranged, so that heat dissipation and ventilation are more uniform and reliable.
The mounting support 1 is of a stainless steel structure, and the thickness of the mounting support is 5 mm.
The fixed cover 21 is a stainless steel pipe and is welded and fixed on the mounting support 1.
The connecting joint 3 is of a stainless steel structure, and the inner diameter of the connecting joint 3 is the same as that of the mounting support 1.
The connecting joint 3 is conveniently installed on the installing support 1 through the internal thread sleeve 302 and the external thread sleeve 103, and the grating mechanism 6 can be stably installed between the connecting joint 3 and the installing support 1 after installation, so that the grating mechanism 6 is convenient to install and disassemble, and equipment is convenient to maintain.
The heat exchange sleeve 4 is a copper pipe, and the surface of the heat exchange sleeve is communicated with the connecting hole 102.
The heat exchange sleeve 4 is connected with the installed optical fiber and the connecting hole 102, so that the heat dissipation performance of the optical fiber during use is increased conveniently.
The working principle of the output head with the Raman filtering function provided by the invention is as follows:
when the grating mechanism 6 needs to be installed, preferentially enabling the raman grating 62 on the installation sleeve 61 to face the limit stop ring 5 in the connecting joint 3, and installing the connecting joint 3 on the external thread sleeve 103 on the installation support 1 through the internal thread sleeve 302;
after the installation between the installation support 1 and the connecting joint 3 is finished, the heat exchange sleeve 4 enables the installation sleeve 61 to abut against the limiting baffle ring 5, so that the stability of the installation sleeve 61 after installation is improved, and the stability of connection between the optical fiber and the Raman grating after installation is improved;
when the equipment is connected for use, the heat radiation fan 22 is started, the heat radiation fan 22 is partially exhausted from the ventilating holes 301 through the drainage holes 101, cooling air is transmitted into the drainage holes 101 through the ventilating holes 301, the heat exchange sleeve 4 is radiated through the connecting holes 102 through the drainage holes 101, and the optical fiber in operation is radiated and cooled by the heat exchange sleeve 4.
Compared with the related art, the output head with Raman filtering provided by the invention has the following beneficial effects:
will install and connect outside raman grating integration to install between erection support 1 and attach fitting 3, attach fitting 3 conveniently carries out closed filtering to the raman light of cable reflection, can be better with raman light and return reflection of light filtering, makes laser instrument in use safer, reduces the butt fusion problem of a plurality of devices to make the technology simpler.
Second embodiment:
referring to fig. 4 and 5, based on the output head with raman filtering provided in the first embodiment of the present application, a second embodiment of the present application provides another output head with raman filtering. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
In particular, the output head with raman filtering provided by the second embodiment of the present application is different in that,
threaded mounting groove 104 has been seted up on erection support 1, heat exchange sleeve 4 movable mounting in erection support 1, set up spacing card hole 401 in the heat exchange sleeve 4, still include:
adjusting screw 7, adjusting screw 7 includes screw thread section 71 and locking shaft section 72, screw thread section 71 threaded mounting is in the screw thread mounting groove 104, locking shaft section 72 fixed mounting be in on the screw thread section 71, locking shaft section 72 passes spacing calorie of hole 401 just extends in the heat transfer sleeve 4.
The thread mounting groove 104 is communicated with the limiting clamping hole 401, and the thread mounting groove 104 and the limiting clamping hole 401 are on the same axis.
Through with heat exchange sleeve 4 movable mounting on erection support 1, the cooperation is adjusted the silk axle 7 and is conveniently locked and spacing heat exchange sleeve 4, can lock and spacing optical fiber through adjusting silk axle 7 simultaneously, and stability when the guarantee equipment operation adjusts the silk axle 7 and demolishs the back, the convenient dismantlement to heat exchange sleeve 4 to in the split and the maintenance of equipment.
The detachable structure is more convenient for assembling and disassembling parts.
The surface of the adjusting screw shaft 7 is made of stainless steel structure, and the thread section 71 and the locking shaft section 72 are on the same axis.
The adjusting screw shaft 7 is conveniently and threadedly mounted on the threaded mounting groove 104 through the threaded section 71, so that the adjusting screw shaft 7 is conveniently mounted on the mounting support 1.
Conveniently insert spacing calorie of hole 401 and provide spacingly to the installation of heat exchange sleeve 4 through locking shaft section 72 on the one hand after the installation of adjusting screw 7, guarantee the stability after the installation of heat exchange sleeve 4, make things convenient for the installation and the dismantlement of heat exchange sleeve 4, another convenient optic fibre after installing compresses tightly spacingly.
The working principle of the second embodiment provided by the invention is as follows:
when the heat exchange sleeve 4 needs to be installed and used, the heat exchange sleeve 4 is preferentially inserted into the installation support 1, and the limiting clamping hole 401 faces to the right upper side;
when the limiting clamping hole 401 slides to the position right below the thread mounting groove 104, the adjusting screw shaft 7 is mounted on the thread mounting groove 104, and the locking shaft section 72 on the adjusting screw shaft 7 is inserted into the limiting clamping hole 401, so that the stability of the heat exchange sleeve 4 after mounting is completed;
then, the connecting joint 3 is installed, and after the installation between the installation support 1 and the connecting joint 3 is completed, the optical fiber is inserted between the installation support 1 and the connecting joint 3, so that the optical fiber is butted on the Raman grating 62;
the adjusting screw shaft 7 is screwed down again, and the locking shaft section 72 of the adjusting screw shaft 7 presses and locks the installed optical fiber downwards, so that the stability of the optical fiber after installation is guaranteed.
The second embodiment provided by the invention has the following beneficial effects:
through with heat exchange sleeve 4 movable mounting on erection support 1, the cooperation is adjusted the silk axle 7 and is conveniently locked and spacing heat exchange sleeve 4, can lock and spacing optical fiber through adjusting silk axle 7 simultaneously, and stability when the guarantee equipment moves adjusts the silk axle 7 and demolishs the back, the convenient dismantlement to heat exchange sleeve 4 to in the split and the maintenance of equipment.
The optimization scheme is as follows:
further, referring to fig. 6, the present application provides an optimized solution of an output head with raman filtering, which is different in that the output head with raman filtering further includes:
spacing cover 8, spacing cover 8 fixed mounting be in on the attach fitting 3, spacing cover 8 is rigid plastic structure, and thickness is 4mm, the one end of spacing cover 8 is the radius angle to spacing cover 8 butt is installed on the adjusting screw axle 7 for to 7 shelters from of adjusting screw axle and spacing, stability after 7 installation of guarantee adjusting screw axle takes place not hard uply when avoiding adjusting 7 installations of screw axle and using, thereby improves the stability after the optic fibre installation.
The working principle of the optimization scheme provided by the invention is as follows:
when the grating mechanism is installed and used, the grating mechanism 6 is preferentially installed on the connecting joint 3;
the heat exchange sleeve 4 is arranged on the mounting support 1, and the adjusting screw shaft 7 is arranged between the mounting support 1 and the heat exchange sleeve 4, so that the stability of the heat exchange sleeve 4 after being mounted is guaranteed;
the optical fiber penetrates through the mounting support 1 and the heat exchange sleeve 4, enough butt joint length of the connecting joint 3 is reserved, the adjusting screw shaft 7 is screwed, and the locking shaft section 72 compresses the optical fiber to realize locking of the optical fiber;
connect attach fitting 3 on erection support 1, after attach fitting 3 docks with erection support 1, spacing cover 8 shelters from outside adjusting the silk axle 7, forms sheltering from and spacing adjusting the silk axle 7, and the stability after the installation of guarantee adjusting the silk axle 7 can prevent to take place the phenomenon of maloperation after adjusting the silk axle 7 installation simultaneously.
The optimization scheme provided by the invention has the beneficial effects that:
through installing spacing cover 8 on attach fitting 3, after attach fitting 3 installed on erection support 1, spacing cover 8 can shelter from and spacing adjusting screw 7 after the installation to the stability after 7 locks of guarantee adjusting screw, adjusting screw 7 takes place to become flexible when preventing that equipment from using, stability when maintaining the equipment fixing.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. An output head with Raman filtering, comprising:
the mounting support is provided with an external thread sleeve;
the heat dissipation mechanism is arranged on the mounting support;
the connecting joint is arranged on the axis of the mounting support, an internal thread sleeve is arranged on the connecting joint, and the internal thread sleeve is arranged on the external thread sleeve in a threaded manner;
the heat exchange sleeve is fixedly arranged in the mounting support;
the limiting baffle ring is fixedly arranged in the connecting joint;
the grating mechanism comprises a mounting sleeve and a Raman grating, the mounting sleeve is movably mounted in the heat exchange sleeve, the Raman grating is fixedly mounted in the mounting sleeve, and the mounting sleeve is abutted between the limiting baffle ring and the heat exchange sleeve.
2. The output head with raman filtering according to claim 1, wherein the mounting support has a drainage hole and a connection hole, the drainage hole is communicated with the connection hole, the heat dissipating mechanism comprises a fixing cover and a heat dissipating fan, the fixing cover is fixedly mounted on the mounting support, the heat dissipating fan is fixedly mounted in the fixing cover, and the connection joint has a ventilation hole.
3. The output head with raman filtering according to claim 2, wherein the fixed hood is in communication with an output end of the flow guide hole, an output end of the heat dissipation fan faces the outside of the fixed hood, and an output end of the ventilation hole is in communication with the flow guide hole.
4. The output stud with raman filtering according to claim 3, wherein the mounting support is of stainless steel construction and has a thickness of 5 mm.
5. The output head with raman filtering according to claim 3, wherein said fixed cover is a stainless steel tube welded and fixed to said mounting seat.
6. The output tap with raman filtering according to claim 1, wherein said coupling tab is of stainless steel construction, said coupling tab having an inner diameter identical to an inner diameter of said mounting support.
7. The output head with raman filtering according to claim 2, characterized in that said heat exchange sleeve is a copper tube, the surface of which is communicated with said connection hole.
8. The output head with raman filtering according to claim 2, wherein the mounting support is provided with a threaded mounting groove, the heat exchange sleeve is movably mounted in the mounting support, and the heat exchange sleeve is provided with a limiting clamp hole, further comprising:
the adjusting screw shaft comprises a screw thread section and a locking shaft section, the screw thread section is installed in the screw thread installation groove, the locking shaft section is fixedly installed on the screw thread section, and the locking shaft section penetrates through the limiting clamp hole and extends into the heat exchange sleeve.
9. The output head with raman filtering according to claim 8, wherein the threaded mounting groove communicates with the limit clip hole, the threaded mounting groove and the limit clip hole being on the same axis.
10. The output head with raman filtering according to claim 8, wherein the surface of the adjusting screw shaft is of stainless steel structure, the threaded section and the locking shaft section being on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210467884.6A CN114825006A (en) | 2022-04-29 | 2022-04-29 | Output head with Raman filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210467884.6A CN114825006A (en) | 2022-04-29 | 2022-04-29 | Output head with Raman filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114825006A true CN114825006A (en) | 2022-07-29 |
Family
ID=82510350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210467884.6A Pending CN114825006A (en) | 2022-04-29 | 2022-04-29 | Output head with Raman filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114825006A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003090918A (en) * | 2001-06-27 | 2003-03-28 | Fitel Usa Corp | Optical band pass filter using long-period grating |
| CN1740888A (en) * | 2005-09-08 | 2006-03-01 | 中国计量学院 | Flat gain Chirp Bragg optical fibre grating wave filter used for optical amplifier |
| JP2006108426A (en) * | 2004-10-06 | 2006-04-20 | Kansai Electric Power Co Inc:The | Optical fiber raman laser |
| US7385692B1 (en) * | 2006-04-28 | 2008-06-10 | The United Of America As Represented By The Administrator Of Nasa | Method and system for fiber optic determination of gas concentrations in liquid receptacles |
| CN103776815A (en) * | 2014-02-24 | 2014-05-07 | 南京派光信息技术有限公司 | Portable adjustable Raman probe |
| US20150015953A1 (en) * | 2012-02-28 | 2015-01-15 | Accelink Technologies Co., Ltd. | Single-pump multi-wavelength lasing semiconductor raman pump laser and pump combination apparatus |
| CN209525486U (en) * | 2019-03-13 | 2019-10-22 | 西安澳通电讯技术股份有限公司 | A kind of light connects device with fiber identification label |
| CN111817119A (en) * | 2020-07-20 | 2020-10-23 | 长沙大科激光科技有限公司 | Fiber laser with anti-fiber core Raman light return function |
| WO2021169444A1 (en) * | 2020-02-28 | 2021-09-02 | 苏州创鑫激光科技有限公司 | Laser output head, laser and laser-machining apparatus |
| CN114336244A (en) * | 2021-12-31 | 2022-04-12 | 湖南大科激光有限公司 | Optical fiber laser |
-
2022
- 2022-04-29 CN CN202210467884.6A patent/CN114825006A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003090918A (en) * | 2001-06-27 | 2003-03-28 | Fitel Usa Corp | Optical band pass filter using long-period grating |
| JP2006108426A (en) * | 2004-10-06 | 2006-04-20 | Kansai Electric Power Co Inc:The | Optical fiber raman laser |
| CN1740888A (en) * | 2005-09-08 | 2006-03-01 | 中国计量学院 | Flat gain Chirp Bragg optical fibre grating wave filter used for optical amplifier |
| US7385692B1 (en) * | 2006-04-28 | 2008-06-10 | The United Of America As Represented By The Administrator Of Nasa | Method and system for fiber optic determination of gas concentrations in liquid receptacles |
| US20150015953A1 (en) * | 2012-02-28 | 2015-01-15 | Accelink Technologies Co., Ltd. | Single-pump multi-wavelength lasing semiconductor raman pump laser and pump combination apparatus |
| CN103776815A (en) * | 2014-02-24 | 2014-05-07 | 南京派光信息技术有限公司 | Portable adjustable Raman probe |
| CN209525486U (en) * | 2019-03-13 | 2019-10-22 | 西安澳通电讯技术股份有限公司 | A kind of light connects device with fiber identification label |
| WO2021169444A1 (en) * | 2020-02-28 | 2021-09-02 | 苏州创鑫激光科技有限公司 | Laser output head, laser and laser-machining apparatus |
| CN111817119A (en) * | 2020-07-20 | 2020-10-23 | 长沙大科激光科技有限公司 | Fiber laser with anti-fiber core Raman light return function |
| CN114336244A (en) * | 2021-12-31 | 2022-04-12 | 湖南大科激光有限公司 | Optical fiber laser |
Non-Patent Citations (2)
| Title |
|---|
| BABIN, S.A. ET AL.: "Comparison of Temperature Distribution Measurement Methods with the Use of the Bragg Gratingsand Raman Scattering of Light in Optical Fibers", 《OPTOELECTRONICS INSTRUMENTATION AND DATA PROCESSING》, vol. 36, no. 4, 31 August 2010 (2010-08-31), pages 353 - 359 * |
| 刘家兴 等: "光纤光栅对的参数匹配与激光输出特性", 《物理学报》, vol. 68, no. 11, 30 November 2019 (2019-11-30), pages 114205 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022179230A1 (en) | Laser output head | |
| CN211539912U (en) | Laser coupling adjustment mechanism | |
| CN210755821U (en) | Handheld laser repair equipment for nuclear power station pipeline repair | |
| CN114825006A (en) | Output head with Raman filtering function | |
| CN212470175U (en) | Inner cavity cooling device of laser processing head machine body | |
| CN2343598Y (en) | High-power water-cooled optical fibre apparatus | |
| KR20220094904A (en) | Flat-top laser beam head module with dust shielding function | |
| CN210779476U (en) | Optical fiber melting point protection device | |
| CN212623289U (en) | Photographic lens interchanging bayonet structure | |
| CN219874438U (en) | Optical fiber laser amplifier | |
| CN216502964U (en) | Simple laser welding head | |
| CN210745160U (en) | Optical fiber transceiver | |
| US7334945B2 (en) | Plug-and-socket hub arrangement for mounting light pipe to receive light | |
| CN114361917A (en) | Cooling structure, laser amplifier and fiber laser | |
| CN220099104U (en) | Heat treatment equipment for metal surface processing | |
| CN217156881U (en) | Quick disassembly and assembly structure for light guide illumination optical cable | |
| CN210864131U (en) | Optical fiber water cooling structure | |
| CN112562998B (en) | Transformer becomes high sleeve pipe | |
| CN115325510B (en) | Light source system and light source replacement method | |
| CN218770531U (en) | Laser output head and laser equipment | |
| CN219222848U (en) | Smoke exhaust pipeline of gas water heater | |
| CN213717239U (en) | Replaceable heat exchange module for amplification stage fiber inlet point of high-power fiber laser | |
| CN214205771U (en) | Coaxial loudspeaker | |
| CN110125840B (en) | Single crystal optical fiber holder and holding method thereof | |
| CN219737827U (en) | Fiber laser coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |