CN216526412U - Laser with optical fiber coupled circular parallel light spots - Google Patents
Laser with optical fiber coupled circular parallel light spots Download PDFInfo
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- CN216526412U CN216526412U CN202123363566.5U CN202123363566U CN216526412U CN 216526412 U CN216526412 U CN 216526412U CN 202123363566 U CN202123363566 U CN 202123363566U CN 216526412 U CN216526412 U CN 216526412U
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Abstract
The utility model discloses a laser with optical fiber coupled circular parallel light spots, which belongs to the technical field of laser equipment and comprises an installation base, wherein the installation base is in a tubular arrangement, one end of an inner cavity of the installation base is in threaded connection with a detachable light source assembly, an optical fiber body is arranged in the inner cavity of the installation base and positioned at one side of the detachable light source assembly, and a coupling lens is arranged in the inner cavity of the installation base and positioned between the detachable light source assembly and the optical fiber body; according to the utility model, through the arrangement of the laser diode, the laser diode is of an edge emission type, an emergent light beam is coupled into the optical fiber through the coupling lens, after sufficient light uniformization, the light emitted from the other end of the optical fiber is converted into parallel light through the collimating lens, the structure in the collimating lens is a combination comprising three lenses, and a parallel light projection light spot is circular.
Description
Technical Field
The utility model relates to the technical field of laser equipment, in particular to a laser with optical fiber coupled circular parallel light spots.
Background
The laser parallel light source has higher collimation degree to the light beam, and the collimation degree is higher when the laser parallel light source is closer to 0 degree. At present, an aspheric lens is directly added outside a semiconductor laser diode to collimate a light beam, the light path is simple in structure and easy to implement, but most semiconductor laser tubes are edge-emitting type, and emergent light beams are asymmetric in fast axis and slow axis, so that the emergent light beams cannot be projected into circular light spots after passing through the aspheric lens, the light beam quality is poor, and the collimation degree is not high, so that a laser with optical fiber coupled circular parallel light spots is required to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a laser with optical fiber coupled circular parallel light spots, which has the advantages of higher collimation degree and higher uniformity of light beams emitted by the laser and circular projection light spots, and solves the problems in the background technology.
In order to achieve the purpose, the utility model provides a laser with an optical fiber coupled circular parallel light spot, which comprises a mounting base, wherein the mounting base is in a tubular arrangement, one end of an inner cavity of the mounting base is in threaded connection with a detachable light source assembly, an optical fiber body is mounted in the inner cavity of the mounting base and positioned at one side of the detachable light source assembly, a coupling lens is mounted in the inner cavity of the mounting base and positioned between the detachable light source assembly and the optical fiber body, an adjustable collimating lens assembly is arranged at one side of the mounting base, and the adjustable collimating lens assembly and the mounting base are connected together through a limiting assembly;
adjustable collimating lens subassembly includes the connecting block with the one end threaded connection of installation base inner chamber, the one end through connection piece of optic fibre body extends to the outside of connecting block, one side of connecting block runs through the installation base and extends to the outside fixed mounting of installation base and has the body, the inner chamber fixed mounting of body has fixed pipe, two sets of fixed lens are installed to the inner chamber of fixed pipe, the inner chamber of fixed pipe just is located two sets ofly one side of fixed lens is equipped with adjustable lens subassembly.
Preferably, adjustable lens subassembly is including the installation pipe, the surface of installation pipe and the inner wall threaded connection of fixed pipe, the one end of installation pipe is run through fixed pipe and is extended to the outside of fixed pipe, the one end fixed mounting of installation intraductal cavity has adjusting lens, the other end fixed mounting of installation pipe has protective glass.
Preferably, the surface of the installation pipe is sleeved with an adjusting button outside the fixed pipe, and the surface of the adjusting button is carved with anti-skid grains.
Preferably, the detachable light source component comprises a thread block in threaded connection with one end of the mounting base, the thread block is arranged in a hollow mode, and a laser diode is fixedly mounted at one end of the thread block, penetrates through the mounting base and extends to the outside of the mounting base.
Preferably, the surface of the optical fiber body is sleeved with a supporting tube, the upper side and the lower side of the supporting tube are both fixedly provided with supporting rods, and one end of each supporting rod, which is far away from the supporting tube, is fixedly connected with the inner wall of the mounting base.
Preferably, the limiting assembly comprises a limiting pipe fixedly installed on the surface of the installation base, a limiting plate is fixedly installed at one end of the limiting pipe, a limiting groove matched with the limiting plate is formed in the surface of the pipe body, and the surface of the limiting plate is connected with the inner wall of the limiting groove in a sliding mode.
Preferably, the surface of the limiting pipe is in threaded connection with a limiting rod, and one end of the limiting rod penetrates through the limiting pipe and extends to the inner cavity of the limiting pipe to be attached to the inner wall of the limiting groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the laser diode, the laser diode is of an edge emission type, an emergent light beam is coupled into the optical fiber through the coupling lens, after sufficient light uniformization, the light emitted from the other end of the optical fiber is converted into parallel light through the collimating lens, the structure in the collimating lens is a combination comprising three lenses, and a parallel light projection light spot is circular;
2. the adjustable collimating lens component can be conveniently installed and detached through the arrangement of the detachable light source component, the arrangement of the adjustable collimating lens component can be used for conveniently adjusting the position of the collimating lens, and the adjustable collimating lens component can be connected with the installation base through the arrangement of the limiting component.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of the mounting base of the present invention;
FIG. 3 is a schematic view of the connecting block of the present invention;
FIG. 4 is a schematic structural view of the support tube of the present invention.
In the figure: 1. installing a base; 2. an optical fiber body; 3. a coupling lens; 4. connecting blocks; 5. a pipe body; 6. a fixed tube; 7. fixing the lens; 8. installing a pipe; 9. adjusting the lens; 10. a protective lens; 11. an adjusting knob; 12. a thread block; 13. a laser diode; 14. supporting a tube; 15. a support bar; 16. a limiting pipe; 17. a limiting plate; 18. a limiting groove; 19. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a laser with optical fiber coupled circular parallel light spots, which includes a mounting base 1, wherein the mounting base 1 is tubular, one end of an inner cavity of the mounting base 1 is connected with a detachable light source assembly in a threaded manner, the detachable light source assembly includes a threaded block 12 in threaded connection with one end of the mounting base 1, the threaded block 12 is hollow, and one end of the threaded block 12 penetrates through the mounting base 1 and extends to the outside of the mounting base 1 to be fixedly provided with a laser diode 13;
through the setting of installation base 1, can be in the same place can dismantle light source subassembly, optic fibre body 2, spacing subassembly and adjustable collimating lens subassembly integration, through the setting of dismantling the light source subassembly, laser diode 13 is the edge emission type, and the outgoing beam is in the optic fibre body 2 through the coupling of coupling lens 3, and installation base 1 material adopts the higher material of coefficient of heat dissipation to be used for fully dispelling the heat in this embodiment, for example: aluminum, copper;
an optical fiber body 2 is arranged in the inner cavity of the mounting base 1 and positioned at one side of the detachable light source component, a supporting tube 14 is sleeved on the surface of the optical fiber body 2, supporting rods 15 are fixedly arranged at the upper side and the lower side of the supporting tube 14, one end of each supporting rod 15 far away from the supporting tube 14 is fixedly connected with the inner wall of the mounting base 1, a coupling lens 3 is arranged in the inner cavity of the mounting base 1 and positioned between the detachable light source component and the optical fiber body 2, an adjustable collimating lens component is arranged at one side of the mounting base 1 and comprises a connecting block 4 in threaded connection with one end of the inner cavity of the mounting base 1, one end of the optical fiber body 2 penetrates through the connecting block 4 and extends to the outside of the connecting block 4, one side of the connecting block 4 penetrates through the mounting base 1 and extends to the outside of the mounting base 1 and is fixedly provided with a pipe body 5, and a fixed pipe 6 is fixedly arranged in the inner cavity of the pipe body 5, two groups of fixed lenses 7 are arranged in the inner cavity of the fixed tube 6;
in the embodiment, the optical fiber body 2 is a multimode optical fiber, the light beam emitted by the laser diode 13 is coupled into the optical fiber body 2 through the coupling lens 3, and through the arrangement of the adjustable collimating lens assembly, the two groups of fixed lenses 7 are fixedly arranged in the inner cavity of the fixed tube 6, and through the matching use of the supporting tube 14 and the supporting rod 15, the position of the optical fiber body 2 can be fixed;
an adjustable lens component is arranged in the inner cavity of the fixed tube 6 and positioned on one side of the two groups of fixed lenses 7, the adjustable lens component comprises an installation tube 8, the surface of the installation tube 8 is in threaded connection with the inner wall of the fixed tube 6, one end of the installation tube 8 penetrates through the fixed tube 6 and extends to the outside of the fixed tube 6, an adjusting lens 9 is fixedly installed at one end of the inner cavity of the installation tube 8, a protective lens 10 is fixedly installed at the other end of the installation tube 8, an adjusting button 11 is sleeved on the surface of the installation tube 8 and positioned outside the fixed tube 6, and anti-skid grains are carved on the surface of the adjusting button 11;
when the adjustable collimating lens assembly needs to be zoomed, a user can screw the adjusting button 11, the rotation of the adjusting button 11 drives the mounting tube 8 to rotate, the mounting tube 8 rotates to move in the inner cavity of the fixed tube 6, so that the position of the adjusting lens 9 is driven to change, and the zooming adjustment of the adjustable collimating lens assembly is realized, through the arrangement of the anti-skid grains, the anti-skid effect can be realized when the adjusting button 11 is rotated, through the arrangement of the protective lens 10, external dust can be prevented from entering the inner cavity of the mounting tube 8 and being attached to the surface of the adjusting lens 9, in the embodiment, the tube body 5 is in threaded connection with the mounting base 1 through the connecting block 4, and the use position of the adjustable collimating lens assembly can be adjusted;
the adjustable collimating lens component is connected with the mounting base 1 through a limiting component, the limiting component comprises a limiting tube 16 fixedly mounted on the surface of the mounting base 1, a limiting plate 17 is fixedly mounted at one end of the limiting tube 16, a limiting groove 18 matched with the limiting plate 17 is formed in the surface of the tube body 5, the surface of the limiting plate 17 is in sliding connection with the inner wall of the limiting groove 18, a limiting rod 19 is in threaded connection with the surface of the limiting tube 16, and one end of the limiting rod 19 penetrates through the limiting tube 16 and extends to the inner cavity of the limiting tube 16 to be attached to the inner wall of the limiting groove 18;
through the setting of spacing subassembly, the user is in the use of rotating body 5, the surface of limiting plate 17 slides at the inner chamber of spacing groove 18, thereby can avoid body 5 and installation base 1 to break away from the connection state, through the setting of gag lever post 19, after the service position to adjustable collimating lens subassembly is adjusted and is accomplished, gag lever post 19 can be screwed up to the user, the rotation of gag lever post 19 makes its one end run through spacing pipe 16 and extend to the inner chamber of spacing pipe 16 and the laminating of the inner wall of spacing groove 18, thereby fix the service position of body 5.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a take laser instrument of circular parallel facula of fiber coupling, includes installation base (1), its characterized in that: the adjustable collimating lens assembly is characterized in that the mounting base (1) is arranged in a tubular shape, a detachable light source assembly is connected to one end of an inner cavity of the mounting base (1) in a threaded manner, an optical fiber body (2) is mounted in the inner cavity of the mounting base (1) and located on one side of the detachable light source assembly, a coupling lens (3) is mounted in the inner cavity of the mounting base (1) and located between the detachable light source assembly and the optical fiber body (2), an adjustable collimating lens assembly is arranged on one side of the mounting base (1), and the adjustable collimating lens assembly is connected with the mounting base (1) through a limiting assembly;
adjustable collimating lens subassembly includes connecting block (4) with the one end threaded connection of installation base (1) inner chamber, the one end through connection piece (4) of optic fibre body (2) and extend to the outside of connecting block (4), the outside fixed mounting that one side of connecting block (4) runs through installation base (1) and extend to installation base (1) has body (5), the inner chamber fixed mounting of body (5) has fixed pipe (6), two sets of fixed lens (7) are installed to the inner chamber of fixed pipe (6), the inner chamber of fixed pipe (6) just is located two sets of one side of fixed lens (7) is equipped with adjustable lens subassembly.
2. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 1, wherein: adjustable lens subassembly is including installation pipe (8), the surface of installation pipe (8) and the inner wall threaded connection of fixed pipe (6), the one end of installation pipe (8) runs through fixed pipe (6) and extends to the outside of fixed pipe (6), the one end fixed mounting of installation pipe (8) inner chamber has adjusting lens (9), the other end fixed mounting of installation pipe (8) has protection lens (10).
3. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 2, wherein: the surface of installation pipe (8) just is located the outside of fixed pipe (6) and has cup jointed adjusting knob (11), the surface of adjusting knob (11) is carved with anti-skidding line.
4. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 1, wherein: the detachable light source assembly comprises a thread block (12) in threaded connection with one end of the installation base (1), the thread block (12) is arranged in a hollow mode, and a laser diode (13) penetrates through the installation base (1) and extends to the external fixed device of the installation base (1) from one end of the thread block (12).
5. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 1, wherein: the surface of the optical fiber body (2) is sleeved with a supporting pipe (14), supporting rods (15) are fixedly mounted on the upper side and the lower side of the supporting pipe (14), and one end, far away from the supporting pipe (14), of each supporting rod (15) is fixedly connected with the inner wall of the mounting base (1).
6. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 1, wherein: the limiting assembly comprises a limiting pipe (16) fixedly mounted on the surface of the mounting base (1), a limiting plate (17) is fixedly mounted at one end of the limiting pipe (16), a limiting groove (18) matched with the limiting plate (17) is formed in the surface of the pipe body (5), and the surface of the limiting plate (17) is connected with the inner wall of the limiting groove (18) in a sliding mode.
7. The laser with the round parallel light spot coupled by the optical fiber as claimed in claim 6, wherein: the surface of the limiting pipe (16) is in threaded connection with a limiting rod (19), one end of the limiting rod (19) penetrates through the limiting pipe (16) and extends to the inner cavity of the limiting pipe (16) to be attached to the inner wall of the limiting groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123363566.5U CN216526412U (en) | 2021-12-28 | 2021-12-28 | Laser with optical fiber coupled circular parallel light spots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123363566.5U CN216526412U (en) | 2021-12-28 | 2021-12-28 | Laser with optical fiber coupled circular parallel light spots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526412U true CN216526412U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123363566.5U Active CN216526412U (en) | 2021-12-28 | 2021-12-28 | Laser with optical fiber coupled circular parallel light spots |
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| CN (1) | CN216526412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099476A1 (en) * | 2022-11-07 | 2024-05-16 | 长园视觉科技(珠海)有限公司 | Fiber optic light source generating device |
-
2021
- 2021-12-28 CN CN202123363566.5U patent/CN216526412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099476A1 (en) * | 2022-11-07 | 2024-05-16 | 长园视觉科技(珠海)有限公司 | Fiber optic light source generating device |
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