CN214255046U

CN214255046U - Sealing and cooling device for laser crystal bar of solid laser

Info

Publication number: CN214255046U
Application number: CN202022854434.1U
Authority: CN
Inventors: 胡山
Original assignee: Enke Optronics Technology Co ltd
Current assignee: Enke Optronics Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-21
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a sealing cooling device of a solid laser crystal bar, which comprises an upper cooling block and a lower cooling block which are symmetrically arranged and a coolant circulating device, wherein one end of the upper cooling block and one end of the lower cooling block are respectively and fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the other ends of the upper cooling block and the lower cooling block are communicated through a connecting pipe, the bottom ends of the liquid inlet pipe and the liquid outlet pipe are respectively and fixedly connected on the coolant circulating device, T-shaped grooves are arranged on two sides of the inner wall of the upper cooling block and the two sides of the inner wall of the lower cooling block at equal intervals, a plurality of groups of sealing blocks are arranged in the T-shaped grooves, second fixing rings are respectively bonded on two ends of the upper cooling block, first fixing rings are respectively bonded on two ends of the lower cooling block, and the sealing cooling device of the solid laser crystal bar avoids the influence of the contact and adhesion of a coolant on the laser crystal bar, the sealing effect and the applicability are improved.

Description

Sealing and cooling device for laser crystal bar of solid laser

Technical Field

The utility model belongs to the technical field of solid laser cooling, concretely relates to solid laser crystal stick's sealed cooling device.

Background

A solid-state laser is a laser using a solid-state laser material as a working substance. The working medium is a crystal or glass as a matrix material, which is uniformly doped with a small amount of active ions. In a solid laser, a laser crystal generates a large amount of heat during operation, and if the heat is not taken away quickly, the temperature of the laser crystal is increased quickly, so that the performance of the laser crystal is reduced and damaged directly. Therefore, the laser crystal is generally cooled with water or an aqueous solution as a coolant.

Most of cooling liquid in the existing sealing cooling device is directly contacted with the laser crystal bar, and the flowing cooling liquid is easy to adhere to the laser crystal bar due to the higher temperature of the laser crystal bar, so that the use effect of the laser crystal bar is influenced; meanwhile, the existing sealing cooling device is poor in sealing effect, the temperature of the laser crystal bar cannot be monitored during cooling, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solid laser crystal stick's sealed cooling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealed cooling device for a laser crystal bar of a solid laser comprises an upper cooling block, a lower cooling block and a coolant circulating device which are symmetrically arranged, wherein one end of the upper cooling block and one end of the lower cooling block are respectively and fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the other ends of the upper cooling block and the lower cooling block are communicated through a connecting pipe, and the bottom ends of the liquid inlet pipe and the liquid outlet pipe are both fixedly connected to the coolant circulating device;

it has T type groove, multiunit to go up the impartial distance in inner wall both sides of cooling block and lower cooling block all be provided with sealed piece in the T type groove, the solid fixed ring of second has all been bonded at the both ends of going up the cooling block, the both ends of cooling block have all been bonded first solid fixed ring down, the solid fixed ring of second and first solid fixed ring's outer wall both ends difference fixedly connected with go up fixed block and fixed block down, wherein embedded temperature sensor on a set of first solid fixed ring's the inner wall.

Preferably, two ends of the connecting pipe are respectively and fixedly connected to the upper cooling block and the lower cooling block, and a laser crystal bar main body is fixed between the upper cooling block and the lower cooling block.

Preferably, the upper cooling block and the lower cooling block are both arc-shaped with hollow inner parts, and the upper cooling block and the lower cooling block are both made of aluminum alloy materials.

Preferably, the top ends of the multiple groups of upper fixing blocks are provided with bolts, and the bottom ends of the bolts penetrate through the upper fixing blocks and are in threaded connection with the lower fixing blocks.

Preferably, main pipes are welded on two sides of the inner walls of the plurality of groups of T-shaped grooves, auxiliary pipes are inserted into the main pipes in a matched mode, and one ends, inserted into the main pipes, of the auxiliary pipes are fixedly connected with springs.

Preferably, the sealing block is inserted in the T-shaped groove in a sliding mode, and one end, far away from the main pipe, of the auxiliary pipe is welded to the sealing block.

The utility model discloses a technological effect and advantage:

1. this sealed cooling device of solid laser crystal stick, coolant circulating device pass through feed liquor pipe, drain pipe and connecting pipe and make the coolant liquid at last cooling block with lower cooling block in the circulation flow, go up the outer wall laminating of cooling block and laser crystal stick main part down with cooling block, the heat is through last cooling block with lower cooling block transmission to the coolant liquid that flows, avoided the coolant liquid contact adhesion to cause the influence to the laser crystal stick on the laser crystal stick.

2. The solid fixed ring of second and the first solid fixed ring that sets up through the both ends of last cooling block and lower cooling block go up to bond respectively and have solid fixed ring and lower fixed block, go up the cooling block and all be provided with sealed piece in some T type grooves with the inner wall both sides of cooling block down are opened, and through the fixed person in charge in the T type groove, auxiliary pipe and spring elasticity set up, when having the gap after cooling block and lower cooling block are fixed, the spring promotes the auxiliary pipe and plugs up the gap with sealed piece, sealed effect has been promoted, the temperature of laser crystal stick main part can be monitored to embedded temperature sensor in the first fixed ring, be convenient for cool off not unidimensional laser crystal stick, the suitability has been promoted.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. an upper cooling block; 2. a connecting pipe; 3. a laser crystal rod body; 4. a first retaining ring; 5. a lower cooling block; 6. a coolant circulation device; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. a second retaining ring; 10. a bolt; 11. a lower fixed block; 12. a temperature sensor; 13. an upper fixed block; 14. a T-shaped groove; 15. a main pipe; 16. a secondary pipe; 17. and (6) sealing the block.

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.

The utility model provides a sealed cooling device of a solid laser crystal bar as shown in figures 1-3, which comprises an upper cooling block 1, a lower cooling block 5 and a coolant circulating device 6 which are symmetrically arranged, wherein one end of the upper cooling block 1 and one end of the lower cooling block 5 are respectively and fixedly connected with a liquid inlet pipe 7 and a liquid outlet pipe 8, the other ends of the upper cooling block 1 and the lower cooling block 5 are communicated with each other through a connecting pipe 2, and the bottom ends of the liquid inlet pipe 7 and the liquid outlet pipe 8 are both fixedly connected on the coolant circulating device 6;

it has T type groove 14, multiunit to go up the equal distance in inner wall both sides of cooling block 1 and lower cooling block 5 open T type groove 14 all be provided with sealed piece 17 in the T type groove 14, go up T type groove 14 cross arrangement on cooling block 1 and the lower cooling block 5, and go up cooling block 1 and the T type groove 14 opposite direction of 5 on the cooling block down to make sealed piece 17 on cooling block 1 and the lower cooling block 5 can joint each other, the preferred rubber material of sealed piece 17, the both ends of going up cooling block 1 all bond and have the solid fixed ring 9 of second, the both ends of cooling block 5 all bond and have first solid fixed ring 4 down, the solid fixed ring 9 of second and the outer wall both ends of first solid fixed ring 4 are fixedly connected with last fixed block 13 and lower fixed block 11 respectively, wherein embedded temperature sensor 12 (preferred CYY11 type temperature sensor) on the inner wall of a set of first solid fixed ring 4.

Specifically, the both ends difference fixed connection of connecting pipe 2 is on last cooling block 1 and lower cooling block 5, go up cooling block 1 and be fixed with laser crystal stick main part 3 down between cooling block 5, go up cooling block 1 and the outer wall laminating of cooling block 5 and laser crystal stick main part 3 down, take away the heat in the laser crystal stick main part 3 through the flow of coolant liquid, and coolant circulating device 6 is prior art, including structures such as bin and water pump.

Specifically, go up cooling block 1 and cooling block 5 down and all be inside hollow circular-arc, and go up cooling block 1 and cooling block 5 down and be the aluminum alloy material, the aluminum alloy material heat conductivity is good, and hardness is higher.

Specifically, the top ends of the multiple groups of upper fixing blocks 13 are all provided with bolts 10, and the bottom ends of the bolts 10 penetrate through the upper fixing blocks 13 and are in threaded connection with the lower fixing blocks 11.

Specifically, main pipes 15 are welded on two sides of the inner walls of the multiple groups of T-shaped grooves 14, auxiliary pipes 16 are inserted into the multiple groups of main pipes 15 in a matched manner, and one ends of the auxiliary pipes 16 inserted into the main pipes 15 are fixedly connected with springs.

Specifically, the sealing block 17 is inserted in the T-shaped groove 14 in a sliding manner, one end of the secondary pipe 16, which is far away from the main pipe 15, is welded on the sealing block 17, and the bottom end of the lower cooling block 5 can be welded with a base for fixing the upper cooling block 1 and the lower cooling block 5.

The theory of operation, this solid laser crystal rod's sealed cooling device, when using, will go up bolt 10 on fixed block 13 top and twist people down fixed block 11, will go up cooling block 1 and lower cooling block 5 and fix in laser crystal rod main part 3 both sides, start coolant circulating device 6, the coolant liquid flows in through feed liquor pipe 7 and goes into in cooling block 1, and flow in through connecting pipe 2 after cooling block 5 down, flow back to coolant circulating device 6 along drain pipe 8, the heat that produces on the laser crystal rod main part 3 is taken away to the in-process that flows, through the temperature sensor 12 detectable laser crystal rod main part 3's in the lower fixed block 11 temperature, this solid laser crystal rod's sealed cooling device, avoided the coolant liquid contact adhesion to cause the influence on the laser crystal rod, sealed effect and suitability have been promoted.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a sealed cooling device of solid laser crystal stick, includes upper cooling block (1) and lower cooling block (5) and coolant circulating device (6) that the symmetry set up, its characterized in that: one ends of the upper cooling block (1) and the lower cooling block (5) are respectively and fixedly connected with a liquid inlet pipe (7) and a liquid outlet pipe (8), the other ends of the upper cooling block (1) and the lower cooling block (5) are communicated through a connecting pipe (2), and the bottom ends of the liquid inlet pipe (7) and the liquid outlet pipe (8) are fixedly connected to a coolant circulating device (6);

go up the inner wall both sides of cooling block (1) and lower cooling block (5) impartial distance open there are T type groove (14), multiunit all be provided with sealed piece (17) in T type groove (14), the both ends of going up cooling block (1) all bond and have the solid fixed ring of second (9), the both ends of cooling block (5) all bond down and have first solid fixed ring (4), the solid fixed ring of second (9) and the outer wall both ends of first solid fixed ring (4) be fixedly connected with go up fixed block (13) and lower fixed block (11) respectively, wherein embedded temperature sensor (12) on the inner wall of a set of first solid fixed ring (4).

2. The sealed cooling device of the laser crystal rod of the solid laser according to claim 1, characterized in that: the two ends of the connecting pipe (2) are respectively and fixedly connected to the upper cooling block (1) and the lower cooling block (5), and a laser crystal bar main body (3) is fixed between the upper cooling block (1) and the lower cooling block (5).

3. The sealed cooling device of the laser crystal rod of the solid laser according to claim 1, characterized in that: the upper cooling block (1) and the lower cooling block (5) are both arc-shaped with hollow interiors, and the upper cooling block (1) and the lower cooling block (5) are made of aluminum alloy materials.

4. The sealed cooling device of the laser crystal rod of the solid laser according to claim 1, characterized in that: bolts (10) are arranged at the top ends of the upper fixing blocks (13), and the bottom ends of the bolts (10) penetrate through the upper fixing blocks (13) and are in threaded connection with the lower fixing blocks (11).

5. The sealed cooling device of the laser crystal rod of the solid laser according to claim 1, characterized in that: the two sides of the inner wall of each group of T-shaped grooves (14) are respectively welded with a main pipe (15), the main pipes (15) are respectively spliced with auxiliary pipes (16), and one ends of the auxiliary pipes (16) inserted into the main pipes (15) are fixedly connected with springs.

6. The sealed cooling device of the laser crystal rod of the solid laser according to claim 5, characterized in that: the sealing block (17) is inserted in the T-shaped groove (14) in a sliding mode, and one end, far away from the main pipe (15), of the auxiliary pipe (16) is welded to the sealing block (17).