CN113359309B - Power beam combiner for optical fiber laser - Google Patents
Power beam combiner for optical fiber laser Download PDFInfo
- Publication number
- CN113359309B CN113359309B CN202110625719.4A CN202110625719A CN113359309B CN 113359309 B CN113359309 B CN 113359309B CN 202110625719 A CN202110625719 A CN 202110625719A CN 113359309 B CN113359309 B CN 113359309B
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- fixedly connected
- heat dissipation
- plate
- damping
- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention discloses a power combiner for an optical fiber laser, which comprises a main body, a damping device and a movable protection device, wherein the damping device is fixedly connected to the front surface of the main body, the movable protection device is fixedly connected to the top of the damping device, the heat dissipation device is fixedly connected to the center of the main body, a supporting plate is fixedly connected to the inside of the damping device, a damping spring is movably connected to the bottom of the supporting plate, a movable inner cavity is fixedly connected to one side of the damping spring, a supporting bracket is fixedly connected to one side of the movable inner cavity, the damping spring is fixedly connected to one side of the supporting bracket, the damping spring is compressed to transmit force to a sponge pad for dispersion, and the surface of a combiner shell is prevented from being damaged to a certain extent due to falling, so that the service life of the combiner shell is prolonged, the structural functionality is embodied, the supporting bracket is beneficial to shaping of the laser, the device is more stable under the matching of a protective cover, the protection performance of the device is improved, and the like.
Description
Technical Field
The invention relates to the technical field of beam combiners, in particular to a power beam combiner for an optical fiber laser.
Background
The laser has the characteristics of extremely small divergence, extremely high brightness, extremely pure color and extremely high energy density, the high-energy laser can be widely applied to metal welding, cutting and precision machining of medical instruments, and the high-power laser is also widely applied to modern national defense, modern industry and modern medical treatment along with the development of the laser technology.
The optical fiber beam combiner is an optical fiber device prepared on the basis of a fused biconical taper optical fiber beam. The method is that a bundle of optical fibers is stripped of a coating layer and then arranged together in a certain mode, the optical fibers are heated at high temperature to be melted, meanwhile, the optical fiber bundle is stretched towards the opposite direction, and an optical fiber heating area is melted to form a fused-cone optical fiber bundle.
The existing combiner still has some disadvantages, when a user uses the combiner shell and drops the combiner shell to the ground carelessly, the surface of the combiner shell can be damaged to a certain extent, and therefore the service life of the combiner shell is shortened.
Disclosure of Invention
The invention aims to provide a power beam combiner for a fiber laser, which aims to solve the problems that the functions provided by the background technology are single, the utilized space is small, the watching of a television is influenced and the storage practicability of the device is reduced because a television screen is partially shielded.
In order to achieve the purpose, the invention provides the following technical scheme: a power beam combiner for an optical fiber laser comprises a main body, a damping device and a movable protection device, wherein the damping device is fixedly connected to the front surface of the main body, the movable protection device is fixedly connected to the top of the damping device, a heat dissipation device is fixedly connected to the center of the main body, wherein,
a supporting plate is fixedly connected inside the damping device, a damping spring is movably connected to the bottom of the supporting plate, a movable inner cavity is fixedly connected to one side of the damping spring, a supporting bracket is fixedly connected to one side of the movable inner cavity, a protective cover is fixedly connected to the top of the supporting bracket, and a spongy cushion is fixedly connected to the top of the protective cover;
a protection plate is fixedly connected inside the movable protection device, a movable block is fixedly connected to the bottom of the protection plate, a pulley is movably connected to the bottom of the movable block, a positioning wheel is fixedly connected to one side of the pulley, a sliding groove is fixedly connected to one side of the positioning wheel, and a limiting plate is fixedly connected to the top of the sliding groove;
the heat dissipation device is characterized in that the heat dissipation holes are fixedly connected inside the heat dissipation device, the heat dissipation outer plate is fixedly connected to the tops of the heat dissipation holes, the heat transfer plate is fixedly connected to the tops of the heat dissipation outer plate, the high-viscosity glue layer is fixedly connected to the tops of the heat transfer plate, and the cavity is fixedly connected to the tops of the high-viscosity glue layer.
Preferably, the optical fiber ring is fixedly connected to the inside of the main body, so that the inner size of the optical fiber ring is matched.
Preferably, the bottom fixedly connected with protective cover of guard plate, the fixed surface of protective cover is connected with the handle and constitutes that the internal dimension is identical.
Preferably, an output optical fiber is fixedly connected to the inside of the main body, a connection pipe sleeve is fixedly connected to one side of the output optical fiber, and an input optical fiber is fixedly connected to one side of the connection pipe sleeve to form a size fit.
Preferably, the inside backup pad of damping device, the damping spring of backup pad bottom, the activity inner chamber of damping spring one side, the support holder of activity inner chamber one side, the protection casing at support holder top, the foam-rubber cushion at protection casing top constitutes shock-absorbing structure jointly.
Preferably, the inside guard plate of activity protector, the movable block of guard plate bottom, movable block bottom pulley, the locating wheel of pulley one side, the spout of locating wheel one side, spout top limiting plate constitute movable protective structure jointly.
Preferably, the heat dissipation holes in the heat dissipation device, the heat dissipation outer plate at the top of the heat dissipation holes, the heat transfer plate at the top of the heat dissipation outer plate, the high-viscosity glue layer at the top of the heat transfer plate and the cavity at the top of the high-viscosity glue layer jointly form a heat dissipation structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) When a user uses the device, the optical fiber ring binds a plurality of optical fibers together, and the plurality of optical fibers are shaped and limited, so that the power combiner of the optical fiber laser is better assembled, the structural functionality is embodied,
(2) The protective cover is arranged, so that the two ends of the optical fiber are prevented from being exposed in the air and oxidized for a long time when the optical fiber is not used, the service life of the device is prolonged, and the optical fiber detection is facilitated by driving the internal optical fiber to move through the handle;
(3) The connecting pipe sleeve is arranged, so that the input optical fiber and the output optical fiber are more stably welded, the effect is better, and the connecting pipe sleeve can prevent the connection part of the input optical fiber and the output optical fiber from being bent;
(4) By arranging the damping structure, the situation that when a user uses the combiner shell, the force is transmitted to the damping spring by the supporting plate when the user drops the combiner shell to the ground carelessly is avoided, the damping spring is compressed to transmit the force to the spongy cushion for dispersing, and the situation that the surface of the combiner shell is damaged possibly to a certain degree due to the dropping is avoided, so that the service life of the combiner shell is prolonged, the functionality of the structure is reflected, the supporting bracket is favorable for shaping a laser, the device is more stable under the matching of a protective cover, and the protection of the device is improved;
(5) The movable protection structure is arranged, the pulley moves on the sliding groove, so that the movable block is driven to move, the positioning wheel is matched with the limiting plate to limit the pulley, so that the protection plate is stably fixed on the device, the movable protection structure is convenient to disassemble and assemble, the functionality of the structure is embodied, the protection plate assembled on the device protects the periphery of the device, the first protection can be realized when the device falls, and the assistance of the structure is embodied;
(6) The radiating outer plate is fixed outside and the input optical fiber and the output optical fiber are positioned between the heat transfer plates by arranging the radiating structure, and because the heat expansion coefficients of the heat transfer plates, the input optical fiber and the output optical fiber are similar, the stress of the input optical fiber and the output optical fiber when external factors such as environmental temperature change can be effectively reduced, and the applicability and the reliability of the optical fiber combiner are improved; in addition, the heat dissipation outer plate has a high heat conductivity coefficient, heat generated when the output optical fibers and the input optical fibers transmit laser can be quickly transmitted to the heat dissipation holes, the heat is quickly dissipated to the outside through the heat dissipation holes, the heat dissipation performance of the optical fiber beam combiner is improved, the cavity between the optical fibers is favorable for heat dissipation, the high-viscosity adhesive layer is favorable for the heat transfer plate to be adhered to a device, and the structural functionality is embodied.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a shock-absorbing structure of the present invention;
FIG. 3 is a schematic view of the movable protective structure of the present invention;
FIG. 4 is a schematic view of the movable structure of the present invention;
FIG. 5 is a schematic view of a heat dissipation structure of the present invention;
FIG. 6 is a schematic view of an internal optical fiber according to the present invention.
In the figure: 1. a main body; 2. a damping device; 201. a support plate; 202. a damping spring; 203. a protective cover; 204. a movable inner cavity; 205. a support bracket; 206. a sponge cushion; 3. a movable guard; 301. a protection plate; 302. a movable block; 303. a pulley; 304. positioning wheels; 305. a chute; 306. a limiting plate; 4. a protective cover; 5. a grip; 6. a heat sink; 601. heat dissipation holes; 602. a heat dissipation outer plate; 603. a heat transfer plate; 604. a high-viscosity adhesive layer; 605. a cavity; 7. an output optical fiber; 8. a connecting pipe sleeve; 9. an input optical fiber; 10. and (4) a fiber ring.
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. 1-6, the present invention provides a technical solution: a power combiner for an optical fiber laser comprises a main body 1, a damping device 2, a support plate 201, a damping spring 202, a protective cover 203, a movable inner cavity 204, a support bracket 205, a sponge pad 206, a movable protective device 3, a protective plate 301, a movable block 302, a pulley 303, a positioning wheel 304, a chute 305, a limiting plate 306, a protective cover 4, a handle 5, a heat dissipation device 6, a heat dissipation hole 601, a heat dissipation outer plate 602, a heat transfer plate 603, a high-viscosity adhesive layer 604, a cavity 605, an output optical fiber 7, a connecting pipe sleeve 8, an input optical fiber 9 and an optical fiber ring 10, wherein the main body 1, the damping device 2 and the movable protective device 3 are fixedly connected to the front surface of the main body 1, the movable protective device 3 is fixedly connected to the top of the damping device 2, and the heat dissipation device 6 is fixedly connected to the center of the main body 1,
the internal fixedly connected with optical fiber ring 10 of main part 1 constitutes the internal dimensions identical, through setting up optical fiber ring 10, optical fiber ring 10 bindes a plurality of optic fibres together, finalize the design and spacing a plurality of optic fibres, make the power beam combiner at fiber laser assemble better, the functional of structure has been embodied, the bottom fixedly connected with protective cover 4 of protection plate 301, the fixed surface of protective cover 4 is connected with handle 5 and constitutes the internal dimensions identical, through setting up protective cover 4, avoid when not using that the optic fibre both ends are exposed for a long time and are oxidized in the air, the device life has been prolonged, it is favorable to detecting the optic fibre to drive the removal of internal optic fibre through handle 5, the internal fixedly connected with output optic fibre 7 of main part 1, one side fixedly connected with connecting pipe box 8 of output optic fibre 7, one side fixedly connected with input optic fibre 9 of connecting pipe box 8 constitutes the dimensions identical, through setting up connecting pipe box 8, connecting pipe box 8 makes the butt fusion between input optic fibre 9 and the output optic fibre 7 more stable, the effect is better, connecting pipe box 8 can prevent the bending of input optic fibre 9 and output optic fibre 7 junction.
The inside backup pad 201 of damping device 2, the damping spring 202 of backup pad 201 bottom, the activity inner chamber 204 of damping spring 202 one side, the support holder 205 of activity inner chamber 204 one side, the protection casing 203 at support holder 205 top, the shock-absorbing structure is constituteed jointly to the foam-rubber cushion 206 at protection casing 203 top, through setting up shock-absorbing structure, avoid the user when using the beam combiner shell, the user is carelessly with the beam combiner shell when dropping to ground backup pad 201 with do all can for damping spring 202, damping spring 202 compresses and does all can do all can for the foam-rubber cushion 206 to disperse, avoid dropping the damage that makes the surface of beam combiner shell probably receive certain degree, thereby the life of beam combiner shell has been prolonged, the functionality of structure has been embodied, support holder 205 is favorable to the moulding of laser instrument, make the device more stable under the cooperation of protection casing 203, the protectiveness of device has been increased.
The inside guard plate 301 of activity protector 3, the movable block 302 of guard plate 301 bottom, movable block 302 bottom pulley 303, the locating wheel 304 of pulley 303 one side, the spout 305 of locating wheel 304 one side, the activity protective structure is constituteed jointly to spout 305 top limiting plate 306, through setting up activity protective structure, remove on spout 305 through pulley 303, thereby it removes to drive movable block 302, locating wheel 304 cooperates with limiting plate 306 and carries out spacing messenger's guard plate 301 and stably fix on the device to pulley 303, be convenient for activity protective structure dismantles and the equipment, the functional of structure has been embodied, guard plate 301 of equipment on the device protects around can play the first time protection when the device drops to the device, the complementary of structure has been embodied.
The radiating holes 601 in the radiating device 6, the radiating outer plate 602 at the top of the radiating holes 601, the heat transfer plate 603 at the top of the radiating outer plate 602, the high-viscosity adhesive layer 604 at the top of the heat transfer plate 603 and the cavity 605 at the top of the high-viscosity adhesive layer 604 jointly form a radiating structure, and by arranging the radiating structure, the radiating outer plate 602 is fixed outside, and the input optical fiber and the output optical fiber are positioned between the heat transfer plates 603; in addition, the heat dissipation outer plate 602 has a high heat conductivity coefficient, heat generated when the output optical fibers and the input optical fibers transmit laser can be quickly transferred to the heat dissipation holes 601, the heat can be quickly dissipated to the outside through the heat dissipation holes, the heat dissipation performance of the optical fiber combiner is improved, the cavity 605 between the optical fibers is favorable for heat dissipation, the high-viscosity adhesive layer 604 is favorable for the heat transfer plate 603 to be adhered to the device, and the structural functionality is embodied.
The working principle is as follows: when the power combiner of the fiber laser is used, firstly, the fiber ring 10 is arranged, the fiber ring 10 binds a plurality of fibers together, the plurality of fibers are shaped and limited, so that the power combiner of the fiber laser is better assembled, the structural functionality is embodied, then, the protective cover 4 is arranged, the phenomenon that the two ends of the fibers are exposed in the air for a long time and oxidized when the power combiner is not used is avoided, the service life of the device is prolonged, the handle 5 drives the internal fibers to move, which is beneficial to the detection of the fibers, then, the connecting pipe sleeve 8 is arranged, so that the fusion between the input fibers 9 and the output fibers 7 is more stable and the effect is better, the connecting pipe sleeve 8 can prevent the connection part of the input fibers 9 and the output fibers 7 from being bent, and then, the damping structure is arranged, so that when a user uses the combiner shell, the supporting plate 201 conducts force to the damping spring 202 when the combiner shell drops to the ground carelessly, damping spring 202 compresses and conducts power for foam-rubber cushion 206 and disperses, avoid dropping the damage that makes the surface of closing the ware shell probably receive certain degree, thereby the life of closing the ware shell is closed in the beam has been prolonged, the functional of structure has been embodied, support bracket 205 is favorable to the moulding of laser instrument, make the device more stable under the cooperation of protection casing 203, the protectiveness of device has been increased, simultaneously again through setting up activity protective structure, remove on spout 305 through pulley 303, thereby drive movable block 302 and remove, positioning wheel 304 cooperates with limiting plate 306 and carries out spacing messenger's guard plate 301 to pulley 303 and stably fix on the device, the activity protective structure of being convenient for dismantles and the equipment, the functional of structure has been embodied, guard plate 301 of equipment on the device can play first protection when the device drops all around and protect The structure assistance is embodied, finally, by arranging the heat dissipation structure, the heat dissipation outer plate 602 is fixed outside, the input optical fiber and the output optical fiber are positioned between the heat transfer plates 603, and because the heat transfer plates 603 and the thermal expansion coefficients between the input optical fiber and the output optical fiber are similar, the stress on the input optical fiber and the output optical fiber when external factors such as the environment temperature and the like change can be effectively reduced, and the applicability and the reliability of the optical fiber combiner are improved; in addition, the heat dissipation outer plate 602 has a high thermal conductivity coefficient, and can quickly transfer heat generated when the output optical fiber and the input optical fiber transmit laser to the heat dissipation holes 601, and the heat is quickly dissipated to the outside through the heat dissipation holes, so that the heat dissipation performance of the optical fiber combiner is improved, the cavity 605 between the optical fibers is favorable for heat dissipation, the high-viscosity adhesive layer 604 is favorable for the heat transfer plate 603 to be adhered to the device, the functionality of the structure is embodied, and the content not described in detail in the description belongs to the prior art known by technicians in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (4)
1. A power combiner for fiber laser, includes main part (1), damping device (2) and activity protector (3), its characterized in that: firstly, a damping device (2) is fixedly connected with the front surface of the main body (1), a movable protection device (3) is fixedly connected with the top of the damping device (2), a heat dissipation device (6) is fixedly connected with the center of the main body (1),
a supporting plate (201) is fixedly connected to the inside of the damping device (2), a damping spring (202) is movably connected to the bottom of the supporting plate (201), a movable inner cavity (204) is fixedly connected to one side of the damping spring (202), a supporting bracket (205) is fixedly connected to one side of the movable inner cavity (204), a protective cover (203) is fixedly connected to the top of the supporting bracket (205), and a sponge pad (206) is fixedly connected to the top of the protective cover (203);
a protection plate (301) is fixedly connected to the inside of the movable protection device (3), a movable block (302) is fixedly connected to the bottom of the protection plate (301), a pulley (303) is movably connected to the bottom of the movable block (302), a positioning wheel (304) is fixedly connected to one side of the pulley (303), a sliding groove (305) is fixedly connected to one side of the positioning wheel (304), and a limiting plate (306) is fixedly connected to the top of the sliding groove (305);
the inside fixedly connected with louvre (601) of heat abstractor (6), the top fixedly connected with heat dissipation planking (602) of louvre (601), the top fixedly connected with heat transfer board (603) of heat dissipation planking (602), the top fixedly connected with high viscosity glue film (604) of heat transfer board (603), the top fixedly connected with cavity (605) of high viscosity glue film (604), the inside fixedly connected with optic fibre circle (10) of main part (1), the bottom fixedly connected with protective cover (4) of protective plate (301), the fixed surface of protective cover (4) is connected with handle (5), the inside fixedly connected with output optic fibre (7) of main part (1), one side fixedly connected with connecting pipe box (8) of output optic fibre (7), one side fixedly connected with input optic fibre (9) of connecting pipe box (8).
2. A power combiner for a fiber laser according to claim 1, wherein: the damping device is characterized in that a damping structure is formed by a supporting plate (201) inside the damping device (2), a damping spring (202) at the bottom of the supporting plate (201), a movable inner cavity (204) on one side of the damping spring (201), a supporting bracket (205) on one side of the movable inner cavity (204), a protective cover (203) at the top of the supporting bracket (205) and a spongy cushion (206) at the top of the protective cover (203) together.
3. A power combiner for a fiber laser according to claim 1, wherein: protection plate (301) inside activity protector (3), movable block (302) of protection plate (301) bottom, movable block (302) bottom pulley (303), locating wheel (304) of pulley (303) one side, spout (305) of locating wheel (304) one side, spout (305) top limiting plate (306) constitute the activity protective structure jointly.
4. A power combiner for a fiber laser according to claim 1, wherein: the heat dissipation structure is characterized in that the heat dissipation holes (601) in the heat dissipation device (6), the heat dissipation outer plate (602) at the top of the heat dissipation holes (601), the heat transfer plate (603) at the top of the heat dissipation outer plate (602), the high-viscosity adhesive layer (604) at the top of the heat transfer plate (603) and the cavity (605) at the top of the high-viscosity adhesive layer (604) jointly form the heat dissipation structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110625719.4A CN113359309B (en) | 2021-06-04 | 2021-06-04 | Power beam combiner for optical fiber laser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110625719.4A CN113359309B (en) | 2021-06-04 | 2021-06-04 | Power beam combiner for optical fiber laser |
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| CN113359309A CN113359309A (en) | 2021-09-07 |
| CN113359309B true CN113359309B (en) | 2023-02-28 |
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