Vacuum sealing laser device

Abstract

The utility model discloses a vacuum sealing laser device, and relates to the technical field of lasers. Comprising a mounting shell and a cover plate, an optical mounting bottom plate is mounted on the bottom inner wall of the mounting shell, a laser main body is mounted on the optical mounting bottom plate, an output mirror located on one side of the laser main body is arranged on the optical mounting bottom plate, and a total reflection mirror located on the other side of the laser main body is further arranged on the optical mounting bottom plate; a vacuumizing and inflating interface valve is arranged on the mounting shell, a mounting hole is formed in one side, close to the output mirror, of the mounting shell, an output device is mounted on the mounting hole, and the output device comprises a fixed cylinder, a concave lens, a convex lens and a space ring. According to the vacuum sealing laser device, the installation shell can be vacuumized, external air can be effectively isolated, the laser is prevented from being affected by pollution or oxidation or humidity, and the stability and the service life of the laser are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lasers, in particular to a vacuum sealed laser device. Background Art

[0002] A laser is a device that can emit laser light. It is a device or apparatus that generates light oscillations and emits laser light through optical feedback formed by a resonant cavity or other means in a substance that can produce stimulated emission amplification effect on photons. The substance that can produce stimulated emission amplification effect is the working material of the laser.

[0003] The working environment of existing lasers is often affected by factors such as dust and moisture. When affected by factors such as dust and moisture, it is easy to cause damage to the laser crystal coating and lens coating, thereby affecting the stability of laser energy output. Summary of the Invention

[0004] The utility model provides a vacuum sealed laser device to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vacuum-sealed laser device, comprising a mounting shell and a cover plate, wherein an optical mounting base plate is mounted on the bottom inner wall of the mounting shell, a laser body is mounted on the optical mounting base plate, an output mirror is provided on one side of the laser body, and a total reflective mirror is also provided on the optical mounting base plate on the other side of the laser body, an interface valve for vacuuming and inflating is provided on the mounting shell, a mounting hole is opened on the side of the mounting shell close to the output mirror, and an output device is mounted on the mounting hole.

[0006] Furthermore, the output device includes a fixed tube, a concave lens, a convex lens, and a spacer. The fixed tube is installed on the mounting hole. The inner cavity of the fixed tube is equipped with a concave lens and a convex lens. The inner cavity of the fixed tube is provided with a spacer located between the concave lens and the convex lens.

[0007] Furthermore, a first compression screw ring is provided at one end of the inner cavity of the fixing cylinder and is pressed on the convex lens, and a first sealing ring is provided between the first compression screw ring and the convex lens.

[0008] Furthermore, two matching water cooling joints are provided at the bottom of the mounting shell.

[0009] Furthermore, the laser body has a crystal rod, and mounting tubes into which the crystal rods are inserted are installed on both sides of the laser body, and windows are installed in the mounting tubes.

[0010] Furthermore, a second sealing ring is provided between the window piece and the inner cavity of the mounting tube, and the end of the inner cavity of the mounting tube is connected to a second tightening screw ring pressed on the window piece.

[0011] Furthermore, the mounting tube is provided with an air nozzle connected to its inner cavity.

[0012] Furthermore, an interface board that cooperates with the laser body is installed on the installation shell.

[0013] Compared with the prior art, the present invention provides a vacuum sealed laser device with the following beneficial effects:

[0014] 1. The vacuum sealed laser device can evacuate the installation shell, which can effectively isolate the external air, prevent the laser from being contaminated, oxidized, or affected by humidity, and ensure the stability and life of the laser.

[0015] 2. The vacuum sealed laser device can conveniently dissipate heat from the laser body and ensure the heat dissipation of the laser.

[0016] 3. The vacuum-sealed laser device can improve the divergence angle, realize long-distance transmission of laser, and adapt to different application requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the output device of the present utility model;

[0019] Figure 3 This is a schematic structural diagram of the laser body of the present utility model;

[0020] Figure 4 This is an enlarged schematic diagram of point A of the present utility model;

[0021] Figure 5 It is a structural schematic diagram of the installation shell of the utility model.

[0022] In the figure: 1. Mounting shell; 2. Cover plate; 3. Optical mounting base; 4. Laser body; 5. Output mirror; 6. Total reflection mirror; 7. Mounting hole; 8. Output device; 9. Fixing tube; 10. Concave lens; 11. Convex lens; 12. Spacer; 13. First sealing ring; 14. First tightening screw; 15. Interface valve; 16. Water-cooling joint; 17. Crystal rod; 18. Mounting tube; 19. Second tightening screw; 20. Window piece; 21. Second sealing ring; 22. Air nozzle; 23. Interface plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 The utility model discloses a vacuum-sealed laser device, comprising a mounting shell 1 and a cover plate 2. An optical mounting base plate 3 is mounted on the bottom inner wall of the mounting shell 1. A laser body 4 is mounted on the optical mounting base plate 3. An output mirror 5 located on one side of the laser body 4 is provided on the optical mounting base plate 3. A total reflecting mirror 6 located on the other side of the laser body 4 is also provided on the optical mounting base plate 3. An interface valve 15 for vacuuming and inflating is provided on the mounting shell 1. A mounting hole 7 is opened on the side of the mounting shell 1 close to the output mirror 5. An output device 8 is mounted on the mounting hole 7. The vacuum-sealed laser device can perform a vacuum operation on the mounting shell 1, which can effectively isolate the external air, prevent the laser from being contaminated or oxidized, and affected by humidity, thereby ensuring the stability and life of the laser; it can conveniently dissipate heat from the laser body 4 to ensure the heat dissipation of the laser; it can improve the divergence angle, realize long-distance transmission of the laser, and adapt to different application requirements.

[0025] A sealing gasket is provided between the cover plate 2 and the mounting housing 1 .

[0026] The interface valve 15 is used for operations such as vacuuming and filling with nitrogen.

[0027] The laser body 4 has a laser focusing cavity, a crystal rod 17 installed in the laser focusing cavity, a pulsed xenon lamp and other components. One end of the crystal rod 17 is partially transparent, and the other end is coated with a fully reflective film. Under the pumping of the xenon lamp, the partially transparent end face outputs laser.

[0028] Specifically, the output device 8 includes a fixed tube 9, a concave lens 10, a convex lens 11, and a spacer 12. The fixed tube 9 is installed on the mounting hole 7. The inner cavity of the fixed tube 9 is equipped with the concave lens 10 and the convex lens 11. The inner cavity of the fixed tube 9 is provided with a spacer 12 located between the concave lens 10 and the convex lens 11.

[0029] A first compression screw ring 14 is provided at one end of the inner cavity of the fixing cylinder 9 and is pressed against the convex lens 11 . A first sealing ring 13 is provided between the first compression screw ring 14 and the convex lens 11 .

[0030] In this embodiment, the distance between the concave lens 10 and the convex lens 11 is adjustable, and the output device 8 is used to improve the divergence angle to achieve long-distance transmission of laser light to meet different application requirements.

[0031] The first sealing ring 13 is used to ensure a sealed state between the fixing cylinder 9 and the inner cavity of the mounting housing 1 .

[0032] An O-ring is provided between the outer wall of the fixing cylinder 9 and the inner wall of the mounting hole 7 .

[0033] Specifically, two matching water cooling joints 16 are provided at the bottom of the mounting housing 1 .

[0034] In this embodiment, a cooling channel cooperating with the two water-cooling joints 16 may be formed inside the optical mounting base plate 3 or inside the bottom end of the mounting housing 1 to cool the laser body 4 .

[0035] When a cooling channel is formed inside the optical mounting base plate 3 , the water-cooling joint 16 passes through the mounting housing 1 , and a sealing ring is provided between the water-cooling joint 16 and the mounting housing 1 .

[0036] The optical mounting base plate 3 and the mounting housing 1 can be made of metal materials.

[0037] Specifically, the laser body 4 has a crystal rod 17 , and mounting tubes 18 into which the crystal rod 17 is inserted are installed on both sides of the laser body 4 , and windows 20 are installed in the mounting tubes 18 .

[0038] A second sealing ring 21 is provided between the window piece 20 and the inner cavity of the mounting tube 18 , and a second tightening screw ring 19 is connected to the end of the inner cavity of the mounting tube 18 and is pressed on the window piece 20 .

[0039] The mounting tube 18 is provided with an air nozzle 22 communicating with the inner cavity thereof.

[0040] In this embodiment, both ends of the crystal rod 17 pass through the laser focusing cavity on the laser body 4 , and the end portion extends into the mounting tube 18 .

[0041] The second sealing ring 21 is used to cooperate with the window piece 20 to seal the inner cavity of the installation tube 18.

[0042] The air nozzle 22 is used for vacuuming and filling with nitrogen.

[0043] Specifically, an interface board 23 that cooperates with the laser body 4 is installed on the mounting housing 1 .

[0044] In this embodiment, the interface plate 23 is mounted on the mounting housing 1 under pressure and sealing conditions by means of screw glands and sealing gaskets.

[0045] The interface board 23 has components such as xenon lamp terminals that match the pulse xenon lamp, and a DB9 control line socket.

[0046] The pins and sockets of the DB9 control box socket are filled and sealed with epoxy glue, and the outer ring is sealed tightly with a sealing ring.

[0047] In summary, the vacuum-sealed laser device can perform a vacuum operation on the mounting shell 1, which can effectively isolate the external air, prevent the laser from being contaminated or oxidized, and affected by humidity, and ensure the stability and life of the laser; it can conveniently dissipate heat from the laser body 4 to ensure the heat dissipation of the laser; it can improve the divergence angle, realize long-distance transmission of the laser, and adapt to different application requirements.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum sealed laser device, characterized in that: The invention comprises a mounting shell (1) and a cover plate (2); an optical mounting base plate (3) is mounted on the bottom inner wall of the mounting shell (1); a laser body (4) is mounted on the optical mounting base plate (3); an output mirror (5) is provided on the optical mounting base plate (3) and is located on one side of the laser body (4); the optical mounting base plate (3) is also provided with a full reflection mirror (6) located on the other side of the laser body (4); an interface valve (15) for vacuuming and inflating is provided on the mounting shell (1); a mounting hole (7) is opened on a side of the mounting shell (1) close to the output mirror (5); an output device (8) is mounted on the mounting hole (7).

2. A vacuum sealed laser device according to claim 1, characterized in that: The output device (8) comprises a fixed cylinder (9), a concave lens (10), a convex lens (11), and a spacer (12); the fixed cylinder (9) is mounted on the mounting hole (7); the inner cavity of the fixed cylinder (9) is equipped with the concave lens (10) and the convex lens (11); and the inner cavity of the fixed cylinder (9) is provided with a spacer (12) located between the concave lens (10) and the convex lens (11).

3. A vacuum sealed laser device according to claim 2, characterized in that: A first pressing screw ring (14) is provided at one end of the inner cavity of the fixing cylinder (9) and is pressed onto the convex lens (11). A first sealing ring (13) is provided between the first pressing screw ring (14) and the convex lens (11).

4. A vacuum sealed laser device according to claim 1, characterized in that: Two matching water cooling joints (16) are provided at the bottom of the installation shell (1).

5. The vacuum sealed laser device according to claim 1, characterized in that: The laser body (4) has a crystal rod (17), and mounting cylinders (18) into which the crystal rod (17) is inserted are installed on both sides of the laser body (4), and a window piece (20) is installed in the mounting cylinder (18).

6. A vacuum sealed laser device according to claim 5, characterized in that: A second sealing ring (21) is provided between the window piece (20) and the inner cavity of the installation cylinder (18), and a second pressing screw ring (19) pressed on the window piece (20) is connected to the inner cavity end of the installation cylinder (18).

7. The vacuum sealed laser device according to claim 5, characterized in that: The mounting cylinder (18) is provided with an air nozzle (22) communicating with its inner cavity.

8. A vacuum sealed laser device according to claim 1, characterized in that An interface plate (23) that cooperates with the laser body (4) is mounted on the mounting housing (1).

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