CN217444819U

CN217444819U - Kilowatt-level air-cooled continuous fiber laser

Info

Publication number: CN217444819U
Application number: CN202221468879.9U
Authority: CN
Inventors: 梅红松
Original assignee: Wuxi Ruilaibo Photoelectric Technology Co ltd
Current assignee: Wuxi Ruilaibo Photoelectric Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-16
Anticipated expiration: 2032-06-14

Abstract

The utility model belongs to the technical field of the laser instrument, especially, be a kilowatt-level forced air cooling continuous fiber laser, including placing the case, place the bottom of case and install the cooling case, the interior diapire of placing the case is fixed with the rack, the air vent has been seted up to the surface equidistance of rack. The utility model discloses a set up cooling water sump and equipment storehouse, utilize the fan to take out the air of placing incasement portion and take out and discharge again after the cooling water sump cooling and place the incasement, make air cycle cooling, in order to avoid the impurity damage fiber laser body along with the outside air entering, through seting up the opening at the both ends of rose box, thereby avoid discharging the air of placing the case and directly blow fiber laser body and cause fiber laser body's local temperature low excessively to influence life, through setting up the filter at the opening play, can adsorb the filter through air cycle with placing the impurity that the incasement exists originally, make and place the incasement nearly dustless environment, in order to play the effect of protection fiber laser body.

Description

Kilowatt-level air-cooled continuous fiber laser

Technical Field

The utility model relates to a laser technical field specifically is a kilowatt level forced air cooling continuous fiber laser.

Background

The fiber laser has the characteristics of high photoelectric conversion efficiency, low power consumption, simple structure and the like, and is widely applied to the fields of industrial processing, communication, medical treatment, chemical industry, aviation and the like. The thermal effect is an important index of the stability of the fiber laser system, and if the heat accumulation is too much, the pump LD, the active fiber and the like are damaged, so in the fiber laser system, it is necessary to perform thermal design research on key power devices, and effective heat dissipation measures are taken to continuously improve the thermal reliability of the fiber laser and prolong the service life of the fiber laser.

The inside components and parts of current fiber laser are more, when adopting outside fan heat dissipation, bring in outside impurity easily for laser structure damages, especially to kilowatt-level continuous fiber laser, because of its calorific capacity is bigger, the huge outside fan is changeed and is absorbed the inside that enters into fiber laser to a large amount of impurity dusts more, therefore we have provided one kind can inside circulation cooling kilowatt-level forced air cooling continuous fiber laser and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a kilowatt level forced air cooling continuous fiber laser has solved the problem that the impurity that gets into from the outside caused the damage to the fiber laser when the fiber laser ventilation cooling who proposes in the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a kilowatt-level air-cooled continuous fiber laser comprises a placing box, wherein a cooling box is installed at the bottom of the placing box, a placing rack is fixed on the inner bottom wall of the placing box, air holes are formed in the surface of the placing rack at equal intervals, a fiber laser body is installed on the placing rack, the interior of the cooling box is divided into a cooling water bin and an equipment bin through a partition plate, a fan is installed inside the equipment bin, the air suction end of the fan is connected with a branch pipe, the end part, which is not connected with the fan, of the branch pipe penetrates through the cooling water bin and extends to the exterior of the cooling box and is communicated with the inner wall of one side of the placing box, the air outlet end of the fan is connected with an exhaust pipe, one end of the exhaust pipe penetrates through the equipment bin and extends to the exterior of the cooling box and is communicated with the inner wall of the other side of the placing box, and a filter box is fixedly installed on the side wall of the placing box, which is communicated with the exhaust pipe, the air outlet has all been seted up at the both ends of rose box, and its upper end symmetry has seted up the socket, the socket interpolation is equipped with the filter, the filter is laminated mutually with one side of adjacent air outlet, the upper end of placing the case articulates there is the case lid.

Further, a water inlet is formed in the upper end of the cooling water bin, a spiral cover is arranged on the water inlet, a drain pipe is communicated with one side wall of the cooling water bin, and a valve is arranged on the drain pipe.

Furthermore, one end of the cooling box is penetrated with two rotating shafts which extend into the cooling water bin and are rotatably connected with the inner wall of one side of the cooling water bin, the rotating shafts and one side wall of the cooling box are sealed through sealing bearings, stirring blades are fixed on the rotating shafts, a motor is fixed outside the cooling box, a driving end of the motor is fixedly connected with one of the rotating shafts, driving wheels are fixed on the two rotating shafts, and the two driving wheels are in transmission connection through a driving belt.

Further, the inner top wall of the cooling water bin is connected with first heat conduction fins at equal intervals, and the first heat conduction fins correspond to the bottom of the placing box.

Further, the lower surface of cooling box is connected with heat conduction fin two admittedly equidistance, the lower surface of cooling box is provided with the stabilizer blade.

Further, a side wall of the placing box is provided with an observation window.

(III) advantageous effects

Compared with the prior art, the utility model provides a kilowatt level forced air cooling continuous fiber laser possesses following beneficial effect:

the utility model discloses, through setting up cooling water sump and equipment storehouse, utilize the fan to take out the air of placing incasement portion and take out and discharge again after the cooling water sump cooling and place the incasement, make the air cycle cooling, in order to avoid the impurity damage fiber laser body along with the outside air entering, through seting up the opening at the both ends of rose box, thereby avoid discharging the air of placing the case and directly blow fiber laser body and cause the local temperature of fiber laser body to hang down and influence life excessively, through setting up the filter at the opening play, can adsorb the filter through air cycle with placing the impurity that the incasement exists originally, make and place the incasement and be close to dustless environment, in order to play the effect of protection fiber laser body.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the present invention;

fig. 3 is a sectional view of another internal structure of the present invention;

fig. 4 is the schematic diagram of the internal structure of the cooling box of the present invention.

In the figure: 1. placing a box; 2. a cooling box; 3. placing a rack; 4. a fiber laser body; 5. a partition plate; 6. a cooling water sump; 7. an equipment bin; 8. a fan; 9. a branch pipe; 10. an exhaust pipe; 11. a filter box; 12. an air outlet; 13. a socket; 14. a filter plate; 15. a rotating shaft; 16. a stirring blade; 17. a motor; 18. a driving wheel; 19. a transmission belt; 20. a first heat conduction fin; 21. a second heat conduction fin; 22. a vent hole; 23. screwing a cover; 24. a drain pipe; 25. a box cover; 26. a support leg; 27. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1, 2, 3 and 4, an embodiment of the invention provides a kilowatt-level air-cooled continuous optical fiber laser, which comprises a placing box 1, a cooling box 2 is arranged at the bottom of the placing box 1, a placing frame 3 is fixed on the inner bottom wall of the placing box 1, vent holes 22 are equidistantly arranged on the surface of the placing frame 3, an optical fiber laser body 4 is arranged on the placing frame 3, the interior of the cooling box 2 is divided into a cooling water bin 6 and an equipment bin 7 by a partition plate 5, a fan 8 is arranged in the equipment bin 7, the air suction end of the fan 8 is connected with a branch pipe 9, the end part of the branch pipe 9 which is not connected with the fan 8 extends to the exterior of the cooling box 2 through the cooling water bin 6 and is communicated with the inner wall of one side of the placing box 1, the air outlet end of the fan 8 is connected with an exhaust pipe 10, one end of the exhaust pipe 10 extends to the exterior of the cooling box 2 through the equipment bin 7 and is communicated with the inner wall of the other side of the placing box 1, a filter box 11 is fixedly installed on one side wall of the placing box 1 communicated with the exhaust pipe 10, air outlets 12 are formed in two ends of the filter box 11, sockets 13 are symmetrically formed in the upper end of the filter box 11, filter plates 14 are inserted into the sockets 13, the filter plates 14 are attached to one side of the adjacent air outlets 12, and a box cover 25 is hinged to the upper end of the placing box 1; through the arrangement of the placing frame 3, a gap exists between the fiber laser body 4 and the placing box 1, so that the body of the fiber laser body 4 can be conveniently radiated, the temperature of air exhausted from the fan 8 is lower by arranging the branch pipe 9 communicated with the placing box 1 and entering the fan 8 through the cooling water bin 6, the air entering the placing box 1 from the exhaust pipe 10 can be cooled for the inside of the placing box 1, dust and impurities entering the placing box 1 when the box cover 25 is opened can be filtered by arranging the filter box 11 and the filter plate 14, the inside of the placing box 1 is close to a dust-free environment, so that the optical element inside the fiber laser body 4 is protected, the service life of the optical element is prolonged, the opening direction of the opening of the filter box 11 is perpendicular to the position of the fiber laser body 4, so that cold air entering the placing box 1 can not directly blow the fiber laser body 4, avoid the local temperature of fiber laser body 4 to hang down excessively, cause the damage to its internal component, through setting up air vent 22, be convenient for get into place the inside cold air of case 1 from the below to the heat dissipation of fiber laser body 4.

As shown in fig. 1, in some embodiments, a water inlet is formed at the upper end of the cooling water bin 6, a screw cap 23 is arranged on the water inlet, a drain pipe 24 is communicated with one side wall of the cooling water bin 6, and a valve is arranged on the drain pipe 24; through setting up water inlet and drain pipe 24, be convenient for change the coolant liquid, through the equipment of spiral cover 23 to avoid outside impurity to sneak into the coolant liquid and cause the pollution, through setting up the valve, be convenient for control coolant liquid flows out.

As shown in fig. 1, 3 and 4, in some embodiments, two rotating shafts 15 extending into the cooling water sump 6 and rotatably connected to one side inner wall of the cooling water sump 6 penetrate through one end of the cooling box 2, the rotating shafts 15 and one side wall of the cooling box 2 are sealed by a sealed bearing, stirring blades 16 are fixed on the rotating shafts 15, a motor 17 is fixed outside the cooling box 2, a driving end of the motor 17 is fixedly connected to one of the rotating shafts 15, driving wheels 18 are fixed on both the rotating shafts 15, and the two driving wheels 18 are in driving connection through a driving belt 19; drive pivot 15 through setting up motor 17 and rotate, make stirring vane 16 can stir the coolant liquid in the cooling water storehouse 6, improve heat exchange's in the coolant liquid speed, also make the lower coolant liquid of other positions temperature and the surface contact of bleeder 9 constantly, thereby make the lower very fast of air temperature in bleeder 9, through setting up drive wheel 18 and drive belt 19, make two stirring vane 16 synchronous rotation, improve the flow velocity of coolant liquid, thereby improve the cooling efficiency of air in the bleeder 9.

As shown in fig. 2 and 3, in some embodiments, the inner top wall of the cooling water sump 6 is equidistantly connected with a first heat conduction fin 20, and the first heat conduction fin 20 corresponds to the bottom position of the placing box 1; through setting up heat conduction fin one 20, place case 1 and can directly carry out the heat exchange through its bottom and the inside in cooling water storehouse 6 to improve cooling efficiency.

As shown in fig. 2, in some embodiments, the second heat conducting fins 21 are connected to the lower surface of the cooling box 2 at equal intervals, and the lower surface of the cooling box 2 is provided with support legs 26; the second heat conducting fins 21 are arranged, so that the cooling box 2 can dissipate heat conveniently, and air exists between the second heat conducting fins 21 and the installation position of the device through the arrangement of the supporting legs 26, so that the heat dissipation effect is improved.

As shown in fig. 1, in some embodiments, a side wall of the placing case 1 is provided with a viewing window 27; through the arrangement of the observation window 27, the box cover 25 does not need to be opened when the working condition of the internal optical fiber laser body 4 is observed, and the probability that dust enters the inside of the placing box 1 is reduced.

Finally, it should be noted that: 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 above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A kilowatt-level air-cooled continuous fiber laser comprises a placing box (1), and is characterized in that: place the bottom of case (1) and install cooling box (2), the interior diapire of placing case (1) is fixed with rack (3), air vent (22) have been seted up to the surface equidistance of rack (3), install fiber laser body (4) on rack (3), the inside of cooling box (2) is separated for cooling water sump (6) and equipment storehouse (7) through baffle (5), the internally mounted of equipment storehouse (7) has fan (8), the end of induced drafting of fan (8) is connected with bleeder (9), bleeder (9) do not all run through cooling water sump (6) and extend to the outside of cooling box (2) and be linked together with the one side inner wall of placing case (1) with the tip that fan (8) link to each other, the air-out end of fan (8) is connected with blast pipe (10), the one end of blast pipe (10) runs through equipment storehouse (7) and extends to the outside of cooling box (2) and with the opposite side of placing case (1) The inner wall is linked together, a lateral wall fixed mounting who places case (1) and blast pipe (10) and be linked together has rose box (11), air outlet (12) have all been seted up at the both ends of rose box (11), and its upper end symmetry has seted up socket (13), socket (13) interpolation is equipped with filter (14), filter (14) laminate mutually with one side of adjacent air outlet (12), the upper end of placing case (1) articulates there is case lid (25).

2. The kilowatt-level air-cooled continuous fiber laser of claim 1, wherein: the water inlet has been seted up to the upper end of cooling water storehouse (6), and is provided with spiral cover (23) on the water inlet, a lateral wall intercommunication of cooling water storehouse (6) has drain pipe (24), be provided with the valve on drain pipe (24).

3. The kilowatt-level air-cooled continuous fiber laser of claim 1, characterized in that: the one end of cooling box (2) is run through and is had two to extend to inside and with one side inner wall rotation of cooling water storehouse (6) pivot (15) of being connected, it is sealed through sealed bearing between the lateral wall of pivot (15) and cooling box (2), be fixed with stirring vane (16) on pivot (15), the external fixation of cooling box (2) has motor (17), the drive end and one of them pivot (15) fixed connection of motor (17), all be fixed with drive wheel (18) on two pivot (15), connect through drive belt (19) transmission between two drive wheels (18).

4. The kilowatt-level air-cooled continuous fiber laser of claim 1, wherein: the inner top wall of the cooling water bin (6) is connected with a first heat conduction fin (20) in equal distance, and the first heat conduction fin (20) corresponds to the bottom of the placing box (1).

5. The kilowatt-level air-cooled continuous fiber laser of claim 1, wherein: the lower surface of cooling case (2) is connected with two (21) of heat conduction fin in the fixed equidistance, the lower surface of cooling case (2) is provided with stabilizer blade (26).

6. The kilowatt-level air-cooled continuous fiber laser of claim 1, wherein: an observation window (27) is arranged on one side wall of the placing box (1).