CN108899746B - A kind of air-cooled pulse end-pumped laser - Google Patents
A kind of air-cooled pulse end-pumped laser Download PDFInfo
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- CN108899746B CN108899746B CN201810848181.1A CN201810848181A CN108899746B CN 108899746 B CN108899746 B CN 108899746B CN 201810848181 A CN201810848181 A CN 201810848181A CN 108899746 B CN108899746 B CN 108899746B
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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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0404—Air- or gas cooling, e.g. by dry nitrogen
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a kind of air-cooled pulse end-pumped lasers, it is related to field of lasers, the main points of its technical scheme are that: including laser box, laser head, the two sides of laser box are equipped with thermovent, fan plate is hinged in thermovent, the driving frame of connection fan plate is equipped in laser box, it drives and is equipped with rotating wheel in frame, eccentric position on rotating wheel is equipped with the drive rod of driving rotating wheel rotation, drive rod protrudes from the side wall of laser box, laser box is equipped with the through-hole moved for drive rod, rotating wheel is equipped with several first sawtooth, driving frame above rotating wheel is equipped with and intermeshing second sawtooth of the first sawtooth, driving frame below rotating wheel is equipped with and the intermeshing third sawtooth of the first sawtooth；Drive the rotation of rotating wheel to drive driving frame by drive rod, so that driving frame drives fan plate rotation, fans and form air flowing between plate and thermovent, improve the radiating efficiency inside laser box, enhance the heat dissipation effect in laser box, to reduce the damage inside laser.
Description
Technical field
The present invention relates to field of lasers, in particular to a kind of air-cooled pulse end-pumped laser.
Background technique
Air-cooled pulse end-pumped laser be it is a kind of combined with Fiber laser technology using semiconductor end pump technology, realization is tightly
It gathers, all solid state laser of new generation of reliable performance, low price.
Existing end-pumped laser such as notification number is a kind of Chinese utility model patent of CN202997292U, it discloses
A kind of dual-headed laser device, including cylindrical first head, stack shell and second head, first head and second head respectively with
The left and right ends of stack shell are connected by screw thread rotation, and the center point is located in the head end of first head and is equipped with first laser device,
It is located at the center point in the head end of second head and is equipped with second laser, is equipped with laser switch and level meter at the top of stack shell,
Stack shell bottom is equipped with bracket screw hole and supply hub.
Laser is internal during use to generate more heat, for the normal work for guaranteeing laser, need
Make to radiate inside laser, and the enclosed construction that above-mentioned dual-headed laser device integrally uses, and then laser is using
It can not shed in time when internal generation heat in the process, easily lead to the damage inside laser.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of air-cooled pulse end-pumped laser,
With good heat dissipation effect, the advantage of laser internal damage is reduced.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of pumped light of air-cooled pulse ends
Device, it is characterized in that: include laser box, be connected to the laser head of laser box, the two sides of the laser box be equipped with inside laser box
The thermovent being connected is hinged with fan plate on the side wall of two thermovents, and driving frame is equipped in the laser box, described
The both ends of driving frame are connected with the fan plate, and rotating wheel, the eccentric position of the rotating wheel side wall are equipped in the driving frame
It is equipped with the drive rod of driving rotating wheel rotation, the drive rod protrudes from the box body above the thermovent, and the box body
The through-hole having for drive rod movement is run through in the position contacted with the drive rod, and the side wall of the rotating wheel is equipped with several first
Sawtooth, the interior side wall above the rotating wheel of driving frame is equipped with and intermeshing second saw of first sawtooth
Tooth, the interior side wall below the rotating wheel of driving frame is equipped with and the intermeshing third of first sawtooth is sawed
Tooth.
Through the above technical solutions, when opening laser and starting to work, the first upper sawtooth of rotating wheel is in and second
The state of engagement so that fan plate closes thermovent, when laser after using it is internal generate heat when, can pass through by
Drive rod moves up and down along the circumferential direction of rotating wheel, so that drive rod drives rotating wheel to be rotated, first saws at this time
Tooth is gradually separated with the second sawtooth, so that one of fan plate on two thermovents turns to outside laser box, another fan
Plate turns in laser box, so that the thermovent of two sides opens simultaneously, during drive rod continues movement, the first sawtooth is towards
Three sawtooth motions simultaneously engage, so that driving frame drives the fan plate outside laser box to re-enter into laser box, and in laser box
Fan plate turns to outside laser box, so that certain air flowing is formed between the thermovent of laser box two sides, it is sharp to take out of in time
Generated heat in light box, and then the radiating efficiency inside laser box can be improved, enhance the heat dissipation effect in laser box, favorably
Damage inside reduction laser.
Preferably, the side wall of the laser head is equipped with several turbofan, and the turbofan is equipped with the first convex block,
The first annular groove is offered on first convex block, belt is arranged in first annular groove, and the drive rod protrudes from described logical
The part in hole is equipped with transmission device, and the belt is sequentially connected in the transmission device and by the transmission device and drives
The up and down motion of the drive rod.
Through the above technical solutions, by the way that turbofan is arranged on laser head so that the rotation of turbofan take out of it is sharp
Bare headed internal heat, and while turbofan rotation can belt rotation, by the rotary power transmitting of turbofan
To transmission device, to drive the movement of drive rod by transmission device；It is this by setting belt and transmission device, can abundant benefit
It is radiated simultaneously inside laser head and laser box in order to quickly drive the movement of drive rod with reaching with the power of turbofan
Purpose.
Preferably, the transmission device include the first bevel gear and with the first bevel gear Vertical Meshing second
Bevel gear, first bevel gear is parallel with the laser box side wall above the thermovent, and the bottom of first bevel gear
Portion is equipped with the second convex block, offers the second annular groove on second convex block, the belt is sheathed on far from one end of the first annular groove
In second annular groove, the drive rod is connected to second bevel gear on the eccentric position of first bevel gear side.
Through the above technical solutions, when turbofan drives belt movement, since belt is connected in the second annular groove, with
The rotation of the first bevel gear is driven, so as to can finally drive drive rod edge to turn after the second bevel gear follows the first bevel gear to rotate
The circumferential direction of driving wheel moves up and down.
Preferably, two sidewalls adjacent with the fan plate on the laser box are equipped with for placing putting for the laser head
Set frame.
Through the above technical solutions, by setting rack, so that the heat in laser box can shed simultaneously via rack
By the heat dissipation effect for further increasing laser box；In addition when needing to drive belt bar to move using turbofan, can will swash
Shaven head is placed on inside rack, so that the transmission of turbofan is more stable.
Preferably, the rack includes the level board being articulated on the laser box and perpendicular to the level board
The vertical plate of end, the laser box side wall below the level board are equipped with support block, the vertical plate to the laser box
Distance is of same size with the level board.
Through the above technical solutions, vertical plate can be rotated towards laser box direction when laser is stopped using, so that
Level board and vertical plate fit on the side wall of laser box, so that reducing rack during laser is idle and being destroyed
Probability.
Preferably, through there is several ventholes on the level board and vertical plate.
Through the above technical solutions, by setting venthole the air flowing on rack can be increased, to improve rack
Heat dissipation, be conducive to take out of more heats in laser box.
Preferably, the laser head offers mounting groove on the end face of the turbofan, and the two of the mounting groove
The support rod being hinged in the embeddable mounting groove is held, is rotatably connected to thread segment on the support rod, the venthole
Hole wall is equipped with thread groove, and the support rod is threadedly connected in venthole by the thread segment and thread groove.
Through the above technical solutions, when needing for laser head to be placed on inside rack, can by by support rod from peace
It produces and is threadedly connected in venthole in tankage, so as to gap be reserved between laser head and level board, so that laser head and water
Air flowing is kept between plate, improves heat dissipation effect.
Preferably, be additionally provided on the laser box side wall below the level board it is several be connected inside the laser box
Heat release hole.
Through the above technical solutions, by setting heat release hole, so that the heat in laser box can be flowed out from heat release hole, and
During fanning plate rotation, the air inside and outside laser box can be flowed by heat release hole, to further increase in laser box
Speed air flow improves the radiating efficiency of laser box.
In conclusion the invention has the following advantages:
By the way that fan plate is hingedly arranged, and in laser box, setting can drive the driving frame of fan plate rotation, then pass through drive rod
Drive the rotation of rotating wheel to drive driving frame, so that air flowing is formed between fan plate and thermovent, to take laser out of in time
Generated heat in box, and then the radiating efficiency inside laser box can be improved, enhance the heat dissipation effect in laser box, is conducive to
Reduce the damage inside laser.
Detailed description of the invention
Fig. 1 is the overall structure figure of embodiment, and the overall structure of embodiment is shown for emphasis；
Fig. 2 is the cross-sectional view that embodiment fans plate part, and the internal structure of laser box is shown for emphasis；
Fig. 3 is the cross-sectional view at embodiment side view visual angle, and the connection structure of laser head and rack is shown for emphasis；
Fig. 4 is the enlarged drawing in the portion A in Fig. 3, and the structure of support rod is shown for emphasis；
Fig. 5 is the enlarged drawing in the portion B in Fig. 2, and the structure of the first convex block is shown for emphasis；
Fig. 6 is the enlarged drawing in the portion C in Fig. 2, and the structure of transmission device is shown for emphasis.
Appended drawing reference: 1, laser box；11, thermovent；12, plate is fanned；13, through-hole；14, support block；15, conducting wire；16, it radiates
Hole；2, laser head；21, turbofan；211, the first convex block；212, the first annular groove；22, mounting groove；3, frame is driven；31, second
Sawtooth；32, third sawtooth；33, connecting rod；4, rotating wheel；41, drive rod；42, the first sawtooth；5, protecting frame；6, transmission dress
It sets；61, the first bevel gear；611, the second convex block；612, the second annular groove；62, the second bevel gear；7, rack；71, level board；
72, vertical plate；73, venthole；8, support rod；81, thread segment；9, thread groove；10, belt.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig. 1, Fig. 2, a kind of air-cooled pulse end-pumped laser, including laser box 1 and be connected to by conducting wire 15 sharp
Laser head 2 on light box 1, the two sides of laser box 1 along its length are equipped with the thermovent 11 being connected with inside laser box 1,
The length of two thermovents 11 is identical as the length of laser box 1, and fan plate 12, hinged point are hinged on two thermovents 11
In on the hole wall of 11 length direction of thermovent.
Two lateral walls of laser box 1 in the width direction are equipped with the rack 7 for placing laser head 2, rack 7 and fan
Plate 12 is adjacent, rack 7 include the level board 71 that is articulated on laser box 1 and perpendicular to level board 71 far from 1 end of laser box
The vertical plate 72 in portion, and through there is several ventholes 73 on level board 71 and vertical plate 72；The laser box 1 of 71 lower section of level board
Side wall is equipped with support block 14, and the quantity of support block 14 is preferably two, and is located at the both ends of level board 71,71 lower section of level board
1 side wall of laser box on be additionally provided with several with heat release hole 16 that is being connected inside laser box 1, several heat release holes 16 are along laser box 1
Width direction in being arranged at equal intervals.
Referring to Fig. 3, Fig. 4, laser head 2 is installed towards mounting groove 22 is offered along its length on the end face of level board 71
The both ends of length direction are hingedly there are two support rod 8 in slot 22, in two embeddable mounting grooves 22 of support rod 8, and two supports
The sum of length of bar 8 is identical as the length of mounting groove 22；Support rod 8 is rotatably connected to thread segment far from the end of mounting groove 22
81, the position that thread segment 81 is corresponded on the hole wall of venthole 73 is equipped with thread groove 9, and support rod 8 passes through thread segment 81 and spiral shell
Groove 9 is threadedly connected in venthole 73, and laser head 2 is fixed on rack 7, and makes laser head 2 and level board 71
Between there are gaps.
Referring to fig. 2, it is equipped with the driving frame 3 of ellipse in laser box 1, drives the medium position court at arc shape both ends on frame 3
Fan 12 direction of plate is extended with connecting rod 33 and is fixedly connected on the inner sidewall of fan plate 12, is equipped with rotating wheel 4 in driving frame 3, turns
Width direction of the both ends of the surface of driving wheel 4 towards laser box 1；It is uniformly provided with along circumferential direction on the circular side wall of rotating wheel 4 several
First sawtooth 42, the interior level on the side wall of 4 top of rotating wheel of driving frame 3 is equipped with and the first sawtooth 42 intermeshing second
Sawtooth 31, the interior level on the side wall of 4 lower section of rotating wheel of driving frame 3 is equipped with and the intermeshing third sawtooth of the first sawtooth 42
32, the second sawtooth 31 is identical as the quantity of third sawtooth 32.
The eccentric position of 4 end face of rotating wheel is equipped with the drive rod 41 that driving rotating wheel 4 rotates, and drive rod 41 protrudes from scattered
1 side wall of laser box of 11 top of hot mouth, and run through on the position that contact with drive rod 41 of laser box 1 and have oval through-hole 13,
So that drive rod 41 drives the up and down motion in 4 rotation process of rotating wheel.
Referring to fig. 2, Fig. 5, laser head 2 are equipped with several turbofan 21 along its length on the side wall of mounting groove 22,
One of turbofan 21, which protrudes above, is provided with the first convex block 211, opens up along circumferential direction on the lateral wall of the first convex block 211
There is the first annular groove 212, belt 10 is arranged in the first annular groove 212, the part that drive rod 41 protrudes from through-hole 13 is equipped with transmission dress
6 are set, belt 10 is connected in transmission device 6 far from one end of the first annular groove 212 and drives drive rod 41 by transmission device 6
Up and down motion so that the rotation of turbofan 21 is to drive the rotation of rotating wheel 4.
Referring to fig. 2, Fig. 6, transmission device 6 include the first bevel gear 61 and with 61 Vertical Meshing of the first bevel gear the
Two bevel gears 62, the first bevel gear 61 is parallel with 1 side wall of laser box of 11 top of thermovent, and is rotationally connected with laser box 1
On, it is additionally provided with the protecting frame 5 being sheathed on outside the first bevel gear 61 and the second bevel gear 62 on laser box 1, protecting frame 5 is towards driving
Bar 41 is in Openworks shape, and the second bevel gear 62 is rotationally connected with protecting frame 5 on the side wall of drive rod 41.
The bottom of first bevel gear 61, which is protruded, is equipped with the second convex block 611, on the lateral wall of the second convex block 611 along circumferential direction
The second annular groove 612 is offered, belt 10 is sheathed in the second annular groove 612 far from one end of the first annular groove 212, and drive rod 41 connects
In the second bevel gear 62 on the eccentric position of 61 side of the first bevel gear.
Practical work process:
When laser is radiated after use, the support rod 8 in mounting groove 22 is produced and makes support rod 8
On thread segment 81 be threadedly connected in venthole 73 so that laser head 2 is fixed on rack 7, then belt 10 is set in
In first annular groove 212 and the second annular groove 612, starting turbofan 21 drives the rotation of belt 10, and belt 10 drives the first umbrella tooth
The rotation of wheel 61, after the first bevel gear 61 drives the rotation of the second bevel gear 62, circumferential direction of the drive rod 41 along the second bevel gear 62
Direction is moved up and down so that rotating wheel 4 rotates, so that the first sawtooth 42 and second on driving frame 3 on rotating wheel 4
Sawtooth 31, third sawtooth 32 alternately engage, so that driving frame 3 is moved back and forth along the width direction of laser box 1, finally to fan plate
12 rotate and simultaneously form air circulation between thermovent 11, with to reaching heat dissipation effect inside laser box 1.
When laser is radiated in use, since laser head 2 needs in motion process, by skin
Band 10 is removed from turbofan 21, so that laser head 2 separates with laser box 1 and takes down laser head 2 from rack 7, this
When turbofan 21 take the heat inside laser head 2 out of when starting, and the heat dissipation for laser box 1 can be by rotating the manually
One bevel gear 61 drives drive rod 41 to move up and down with the rotation of the second bevel gear 62 of drive, the second bevel gear 62, drive rod 41
Rotating wheel 4 is driven to rotate, so that the first sawtooth 42 and the second sawtooth 31, the third sawtooth 32 on driving frame 3 on rotating wheel 4
It alternately engages, so that driving frame 3 is moved back and forth along the width direction of laser box 1, finally to fan the rotation of plate 12 and and thermovent
Air circulation is formed between 11, with to reaching heat dissipation effect inside laser box 1.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of air-cooled pulse end-pumped laser, it is characterized in that: including laser box (1), the laser head for being connected to laser box (1)
(2), the two sides of the laser box (1) are equipped with and the internal thermovent (11) being connected of laser box (1), two thermovents
(11) it is hinged with fan plate (12) on side wall, driving frame (3), the both ends of driving frame (3) are equipped in the laser box (1)
It is connected with the fan plate (12), is equipped with rotating wheel (4) in the driving frame (3), the eccentric position of rotating wheel (4) side wall
It is equipped with the drive rod (41) of driving rotating wheel (4) rotation, the drive rod (41) protrudes from above the thermovent (11)
Laser box (1) side wall, and the position that contacts with the drive rod (41) of the laser box (1) is moved for drive rod (41) through having
Through-hole (13), the side wall of the rotating wheel (4) is equipped with several first sawtooth (42), be located in the driving frame (3) described in
Side wall above rotating wheel (4) is equipped with and intermeshing second sawtooth (31) of first sawtooth (42), the driving frame
(3) side wall in below the rotating wheel (4) is equipped with and the intermeshing third sawtooth of the first sawtooth (42)
(32)。
2. a kind of air-cooled pulse end-pumped laser according to claim 1, it is characterized in that: the side wall of the laser head (2)
It is equipped with several turbofan (21), the turbofan (21) is equipped with the first convex block (211), first convex block (211)
On offer the first annular groove (212), is arranged with belt (10) in first annular groove (212), the drive rod (41) protrudes from
The part of the through-hole (13) is equipped with transmission device (6), and the belt is sequentially connected interior to the transmission device (6) and passes through
The transmission device (6) drives the up and down motion of the drive rod (41).
3. a kind of air-cooled pulse end-pumped laser according to claim 2, it is characterized in that: the transmission device (6) includes
First bevel gear (61) and the second bevel gear (62) with the first bevel gear (61) Vertical Meshing, first umbrella tooth
It is parallel with laser box (1) side wall above the thermovent (11) to take turns (61), and the bottom of first bevel gear (61) is set
Have the second convex block (611), offers the second annular groove (612) on second convex block (611), the belt is far from the first annular groove
(212) one end is sheathed in the second annular groove (612), and the drive rod (41) is connected to second bevel gear (62) away from institute
On the eccentric position for stating the first bevel gear (61) side.
4. a kind of air-cooled pulse end-pumped laser according to claim 1, it is characterized in that: on the laser box (1) and institute
The adjacent two sidewalls of fan plate (12) are stated equipped with the rack (7) for placing the laser head (2).
5. a kind of air-cooled pulse end-pumped laser according to claim 4, it is characterized in that: the rack (7) includes hinge
The level board (71) being connected on the laser box (1) and the vertical plate (72) perpendicular to the level board (71) end, it is described
Laser box (1) side wall below level board (71) is equipped with support block (14), the vertical plate (72) to the laser box (1)
Distance is of same size with the level board (71).
6. a kind of air-cooled pulse end-pumped laser according to claim 5, on the level board (71) and vertical plate (72)
Running through has several ventholes (73).
7. a kind of air-cooled pulse end-pumped laser according to claim 6, it is characterized in that: the laser head (2) deviates from whirlpool
It takes turns and is offered mounting groove (22) on the end face of fan (21), the both ends of the mounting groove (22) are hinged with the embeddable mounting groove
(22) support rod (8) in is rotatably connected to thread segment (81) on the support rod (8), on the hole wall of the venthole (73)
Equipped with thread groove (9), the support rod (8) is threadedly connected to venthole (73) by the thread segment (81) and thread groove (0)
It is interior.
8. a kind of air-cooled pulse end-pumped laser according to claim 6, it is characterized in that: below the level board (71)
Several heat release holes (16) being connected with laser box (1) inside are additionally provided on laser box (1) side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848181.1A CN108899746B (en) | 2018-07-27 | 2018-07-27 | A kind of air-cooled pulse end-pumped laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848181.1A CN108899746B (en) | 2018-07-27 | 2018-07-27 | A kind of air-cooled pulse end-pumped laser |
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| Publication Number | Publication Date |
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| CN108899746A CN108899746A (en) | 2018-11-27 |
| CN108899746B true CN108899746B (en) | 2019-11-01 |
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| CN114520455B (en) * | 2022-04-15 | 2022-07-19 | 武汉和溯源科技有限公司 | Polarized fiber laser with high-efficient heat dissipation function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07105543B2 (en) * | 1986-11-21 | 1995-11-13 | 株式会社東芝 | Gas laser tube device |
| US7145926B2 (en) * | 2003-01-24 | 2006-12-05 | Peter Vitruk | RF excited gas laser |
| JP2005166735A (en) * | 2003-11-28 | 2005-06-23 | Toshiba Corp | Laser light source device |
| CN101436746B (en) * | 2008-08-12 | 2010-08-25 | 深圳市泛友科技有限公司 | Whole air-cooled end pump laser |
| JP6413362B2 (en) * | 2013-06-21 | 2018-10-31 | 日亜化学工業株式会社 | Light source device and optical engine using light source device |
| JP6378221B2 (en) * | 2016-02-08 | 2018-08-22 | ファナック株式会社 | Laser oscillation apparatus having a laser medium circulation tube |
| CN207069277U (en) * | 2017-08-14 | 2018-03-02 | 台州市天启激光科技有限公司 | A kind of end-pumped laser |
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Effective date of registration: 20230423 Address after: 214000 - 2, No. 578, Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi Leibo Laser Technology Co.,Ltd. Address before: 318015 No. 12, hougaoqiao village, Hongjia street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: TAIZHOU TIANQI LASER TECHNOLOGY Co.,Ltd. |