A laser-pumped krypton lamp evacuation device

Abstract

The application discloses a kind of laser pumping krypton lamp vacuum exhaust device, belong to krypton lamp exhaust device technical field, including workbench, the top center of workbench is provided with the cylinder seat for installing krypton lamp, the top two sides of workbench are symmetrically provided with the heating assembly for heating krypton lamp;The upper section of cylinder seat is provided with the dustproof component for covering the opening of cylinder seat, the middle section of cylinder seat is provided with the locking assembly for fixing krypton lamp, the lower section of cylinder seat is provided with the sealing assembly for sealing the gap between krypton lamp and cylinder seat, the outer surface of cylinder seat is provided with the driving assembly for synchronously driving dustproof component, locking assembly and sealing assembly;The bottom of workbench is provided with the rotating assembly for realizing the rotation of cylinder seat;The bottom of workbench is also provided with the exhaust assembly for evacuating the gas inside krypton lamp, and the gas filling assembly for filling gas inside krypton lamp, and the exhaust assembly and gas filling assembly are connected with the inside of cylinder seat by rotating assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of krypton lamp exhaust device, in particular to a kind of laser pumping krypton lamp vacuum exhaust device. BACKGROUND

[0002] Laser pumping krypton lamp is a kind of key component widely used in laser, its performance depends on the purity and uniformity of gas environment inside lamp body.In manufacturing and maintenance process, the inside of lamp body needs to be vacuumized to remove residual gas and impurities.

[0003] However, the conventional vacuum exhaust equipment has the following problems in actual use: lamp body installation, fixed, sealing and equipment debugging time-consuming and labor-consuming, low degree of automation, secondly, moisture and volatile impurities inside lamp body are difficult to completely remove, which affects the vacuum extraction effect.

[0004] Therefore, we propose a kind of laser pumping krypton lamp vacuum exhaust device. SUMMARY

[0005] In order to overcome the deficiencies of the prior art, the present application provides a kind of laser pumping krypton lamp vacuum exhaust device, driving assembly realizes the synchronous linkage of dustproof, locking and sealing action, simplifies the operation process, rotating assembly cooperates heating assembly to provide uniform heat radiation, improves the vacuum extraction effect, exhaust assembly and inflation assembly realize the replacement of working gas.

[0006] To solve the above technical problems, the present application provides the following technical scheme:

[0007] A kind of laser pumping krypton lamp vacuum exhaust device, including workbench, the top center of the workbench is provided with the cylinder seat for installing krypton lamp, the top of the workbench is provided with the heating assembly for heating krypton lamp on both sides in a symmetrical manner;

[0008] The upper section of the cylinder seat is provided with a dustproof assembly for covering the opening of the cylinder seat, the middle section of the cylinder seat is provided with a locking assembly for fixing krypton lamp, the lower section of the cylinder seat is provided with a sealing assembly for sealing the gap between krypton lamp and cylinder seat, the outer surface of the cylinder seat is provided with a driving assembly for synchronously driving dustproof assembly, locking assembly and sealing assembly;

[0009] The bottom of the workbench is provided with a rotating assembly for realizing the rotation of the cylinder seat;

[0010] The bottom of the workbench is also provided with an exhaust assembly for exhausting the gas inside krypton lamp, and an inflation assembly for filling gas into krypton lamp, the exhaust assembly and inflation assembly are both connected with the inside of the cylinder seat through the rotating assembly.

[0011] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the rotating assembly comprises a rotating cylinder and a gas tank, the gas tank is connected to the bottom center of the workbench, the rotating cylinder is a hollow cylinder with an open top and a sealed bottom, the rotating cylinder penetrates the gas tank, the layer plate and the workbench and is connected to the bottom of the cylinder seat, the rotating cylinder and the cylinder seat are connected in communication, the rotating cylinder and the gas tank and the layer plate are rotatably connected, the bottom of the rotating cylinder is coaxially connected with a transmission disc, and the bottom of the workbench is provided with a motor, and the output shaft of the motor is in transmission connection with the transmission disc.

[0012] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the inner wall of the gas tank is connected with a layer plate for separating the upper and lower spaces in the gas tank, the rotating cylinder is provided with air holes in the upper and lower spaces in the gas tank, respectively, the exhaust assembly is in communication with one of the internal spaces of the gas tank, and the gas filling assembly is in communication with the other internal space of the gas tank.

[0013] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the inner wall of the rotating cylinder is connected with a partition plate for separating the left and right spaces in the rotating cylinder, the air hole in the upper space in the gas tank and the air hole in the lower space in the gas tank are arranged on the two sides of the partition plate.

[0014] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the exhaust assembly comprises a vacuum pump, the vacuum pump is designed with two groups, including a rotary vane pump for primary vacuum pumping and a molecular pump for high vacuum pumping, and the gas filling assembly comprises a gas filling pump.

[0015] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the dustproof assembly comprises an outer cylinder and dustproof sheets, the outer cylinder is movably sleeved on the outer portion of the upper end of the cylinder seat, the dustproof sheets are fan-shaped and connected to the inner wall of the upper end of the outer cylinder, the dustproof sheets are designed with multiple pieces and surround to form a disc, and the inner surface of the outer cylinder and the outer surface of the cylinder seat have a gap capable of accommodating the dustproof sheets.

[0016] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhausting device, the locking assembly comprises an elastic clamping plate, the outer surface of the middle section of the cylinder seat is penetrated and provided with a square hole, the square hole is provided with multiple groups and is distributed in axial symmetry, the elastic clamping plate is in the shape of an inverted "Y" profile, the elastic clamping plate is located in the interior of the square hole and connected to the inner top of the square hole at the top, the outer branch of the lower end of the elastic clamping plate is located outside the cylinder seat, and the inner branch of the lower end of the elastic clamping plate is covered with a protective pad.

[0017] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhaust device, the sealing assembly comprises a sealing ring and an air bag, an annular groove is formed in the inner wall of the lower section of the cylinder seat, the sealing ring is installed in the annular groove, the air bag is installed between the lower end branches of the elastic clamping plate, the sealing ring is hollow inside and in pipeline communication with the air bag.

[0018] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhaust device, the driving assembly comprises a rotating ring spirally arranged on the outer surface of the cylinder seat, the rotating ring is located above the elastic clamping plate, the bottom of the outer cylinder is rotationally connected to the top surface of the rotating ring, the bottom of the rotating ring is rotationally connected with a pressing ring, the outer edge of the bottom surface of the rotating ring is connected with a bellows covering the pressing ring, the square hole and the elastic clamping plate, and the outer circumferential surface of the rotating ring is provided with anti-skid lines.

[0019] As a preferred scheme of the laser-pumped krypton lamp vacuum pumping and exhaust device, the heating assembly comprises a heat shield and an electric heating wire arranged inside the heat shield, one side of the heat shield facing the cylinder seat has an opening, the opening end of the heat shield is provided with a flow guide plate, the surface of the side of the flow guide plate facing the electric heating wire is a circular arc surface, and the heat shield is provided with a fan with a wind direction facing the electric heating wire and the flow guide plate.

[0020] Compared with the prior art, the laser-pumped krypton lamp vacuum pumping and exhaust device has the following beneficial effects:

[0021] The cylinder seat provides a mounting position for the krypton lamp, the dustproof assembly covers the opening of the cylinder seat to protect the cleanliness of the inner cavity of the cylinder seat, the locking assembly ensures that the krypton lamp is fixed stably, and the sealing assembly seals the gap between the lamp body and the cylinder seat to provide protection for subsequent vacuum pumping and gas filling operations; the driving assembly realizes synchronous linkage of the dustproof, locking and sealing actions, thereby simplifying the operation process.

[0022] The exhaust assembly efficiently pumps the krypton lamp cavity through the internal passage of the cylinder seat, cooperates with the heating assembly to accelerate the exhaust of the gas inside the cavity, improves the vacuum degree, and after the vacuum pumping is completed, the gas filling assembly accurately fills high-purity krypton gas to realize replacement of the working gas; the sealing assembly maintains efficient sealing during the process to avoid backflow of air and ensure the purity of the cavity environment.

[0023] The rotating assembly rotates the cylinder seat to change the heating angle of the krypton lamp during the heating process, provides uniform heat radiation, avoids local overheating or cold spot problems, ensures uniform release of the gas inside the lamp body and residual substances in the cavity, and improves the vacuum pumping effect. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of a laser-pumped krypton lamp vacuum pumping and exhaust device.

[0025] Figure 2It is a schematic diagram of the air tank of the vacuum exhaust device for the laser-pumped krypton lamp.

[0026] Figure 3 It is a schematic diagram of the heat shield of the vacuum exhaust device for the laser-pumped krypton lamp.

[0027] Figure 4 It is a schematic diagram of the rotating cylinder of the vacuum exhaust device for the laser-pumped krypton lamp.

[0028] Figure 5 It is a schematic diagram of the cylinder base of the vacuum exhaust device for the laser-pumped krypton lamp.

[0029] Figure 6 It is a schematic diagram of the rotating ring of the vacuum exhaust device for the laser-pumped krypton lamp.

[0030] Figure 7 It is a schematic diagram of the elastic clamping plate of the vacuum exhaust device for the laser-pumped krypton lamp.

[0031] Wherein: 1, workbench; 2, heat shield; 3, fan; 4, deflector; 5, outer cylinder; 6, dustproof sheet; 7, rotating ring; 8, bellows; 9, air tank; 10, transmission disc; 11, motor; 12, vacuum pump; 13, air pump; 14, heating wire; 15, rotating cylinder; 16, layer plate; 17, air hole; 18, partition; 19, cylinder base; 20, compression ring; 21, elastic clamping plate; 22, square hole; 23, sealing ring; 24, ring groove; 25, non-slip pattern; 26, protective pad; 27, air bag. DETAILED DESCRIPTION

[0032] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the concept of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0034] Secondly, "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0035] EMBODIMENT

[0036] Please refer to Figures 1 to 7As shown, the present application provides a kind of laser pumping krypton lamp vacuum exhaust device, including workbench 1, the top center of workbench 1 is provided with the cylinder seat 19 for installing krypton lamp, the top two sides of workbench 1 are symmetrically provided with the heating assembly for heating krypton lamp;Heating assembly includes heat shield 2 and the electric heating wire 14 being arranged in heat shield 2, the side of heat shield 2 towards cylinder seat 19 has opening, the opening end of heat shield 2 is provided with flow guide plate 4, the surface of the side of flow guide plate 4 towards electric heating wire 14 is arc surface, heat shield 2 is provided with fan 3, and the wind direction of fan 3 is towards electric heating wire 14 and flow guide plate 4;

[0037] Cylinder seat 19 provides the connecting channel with exhaust assembly, gas filling assembly, ensures that lamp body and the seamless connection of gas flow of equipment, heating assembly can accelerate the volatilization of moisture and residual gas in krypton lamp, improves the quality of vacuum environment;

[0038] The upper section of cylinder seat 19 is provided with dustproof assembly for covering the opening of cylinder seat 19, the middle section of cylinder seat 19 is provided with locking assembly for fixing krypton lamp, the lower section of cylinder seat 19 is provided with sealing assembly for sealing the gap between krypton lamp and cylinder seat 19, the outer surface of cylinder seat 19 is provided with driving assembly for synchronously driving dustproof assembly, locking assembly and sealing assembly;

[0039] Dustproof assembly prevents external dust or impurities from entering the cavity of cylinder seat 19, protects the cleanliness of the cavity of cylinder seat 19, reduces the risk of pollution, locking assembly is used for fixing krypton lamp, ensures that krypton lamp is stable and does not shift, avoids damage caused by vibration or twisting, sealing assembly prevents external air from penetrating into the cavity, while ensuring the efficiency and purity of vacuum extraction and gas filling, driving assembly synchronously drives the action of dustproof assembly, locking assembly and sealing assembly, realizes one-key operation, makes dustproof, locking and sealing function coordinated linkage, simplifies operation process, improves efficiency;

[0040] Dustproof assembly includes outer cylinder 5 and dustproof sheet 6, outer cylinder 5 is movably sleeved on the upper end outside of cylinder seat 19, dustproof sheet 6 is fan-shaped and arc edge is connected to the inner wall of the upper end port of outer cylinder 5, dustproof sheet 6 is designed with multiple pieces and surrounds into a disc, the inner surface of outer cylinder 5 and the outer surface of cylinder seat 19 have a gap that can accommodate dustproof sheet 6, outer cylinder 5 in dustproof assembly is controlled to rise and fall by driving assembly, outer cylinder 5 descends, and dustproof sheet 6 contacts the top surface of cylinder seat 19 to deform, dustproof sheet 6 is stored in the gap between outer cylinder 5 and cylinder seat 19, and does not interfere with the use of cylinder seat 19;

[0041] The locking assembly comprises an elastic clamp plate 21, a square hole 22 is formed through the middle section outer surface of the cylinder seat 19, the square hole 22 is formed with multiple groups of axisymmetric distribution, the elastic clamp plate 21 has an inverted "Y" shaped profile, the elastic clamp plate 21 is located inside the square hole 22 and the top is connected to the inner top of the square hole 22, the lower end outer side branch of the elastic clamp plate 21 is located outside the cylinder seat 19, the surface of the lower end inner side branch of the elastic clamp plate 21 is covered with a protective pad 26, the outer side branch of the elastic clamp plate 21 is extruded by the compression ring 20 of the driving assembly, the elastic clamp plate 21 is deformed to provide elastic support for the krypton lamp in the cylinder seat 19 through the square hole 22, preventing the krypton lamp from shaking in the cylinder;

[0042] The sealing assembly comprises a sealing ring 23 and an air bag 27, the lower section inner wall of the cylinder seat 19 is formed with a ring groove 24, the sealing ring 23 is installed in the ring groove 24, the air bag 27 is installed between the lower end branches of the elastic clamp plate 21, the inside of the sealing ring 23 is hollow and in pipeline communication with the air bag 27; the compression ring 20 extrudes the elastic clamp plate 21 at the same time, the air bag 27 inflates and expands the sealing ring 23, so that the sealing ring 23 seals between the krypton lamp and the cylinder seat 19;

[0043] The driving assembly comprises a rotating ring 7 spirally arranged on the outer surface of the cylinder seat 19, the rotating ring 7 is located above the elastic clamp plate 21, the bottom of the outer cylinder 5 is rotationally connected to the top surface of the rotating ring 7, the bottom of the rotating ring 7 is rotationally connected with the compression ring 20, the outer edge of the bottom surface of the rotating ring 7 is connected with a bellows 8 covering the compression ring 20, the square hole 22 and the elastic clamp plate 21, and the outer circumferential surface of the rotating ring 7 is provided with anti-skid lines 25; the driving assembly realizes synchronous linkage of dustproof, locking and sealing actions; the rotating ring 7 is screwed up or screwed down along the outer surface of the cylinder seat 19, thereby controlling the actions of the dustproof, locking and sealing assemblies;

[0044] The bottom of the workbench 1 is provided with a rotating assembly for realizing rotation of the cylinder seat 19;

[0045] The bottom of the workbench 1 is further provided with an exhaust assembly for evacuating the gas inside the krypton lamp and a gas filling assembly for filling gas into the krypton lamp, and the exhaust assembly and the gas filling assembly are in communication with the inside of the cylinder seat 19 through the rotating assembly; the exhaust assembly comprises a vacuum pump 12, the vacuum pump 12 is designed with two groups, including a rotary vane pump for primary vacuum pumping and a molecular pump for high vacuum pumping, and the gas filling assembly comprises a gas filling pump 13;

[0046] The rotating assembly includes a rotating cylinder 15 and an air box 9. The air box 9 is connected to the bottom center of the workbench 1. The rotating cylinder 15 is a hollow cylinder with an open top and a sealed bottom. The rotating cylinder 15 penetrates the air box 9, the shelf 16 and the workbench 1 and is connected to the bottom of the cylinder base 19. The rotating cylinder 15 and the cylinder base 19 are connected in communication. The rotating cylinder 15, the air box 9 and the shelf 16 are all rotate-sealed connections. The bottom of the rotating cylinder 15 is coaxially connected to a transmission disk 10. A motor 11 is installed at the bottom of the workbench 1. The output shaft of the motor 11 is connected to the transmission disk 10 in a transmission connection.

[0047] The inner wall of the air box 9 is connected to a shelf 16 for separating the upper and lower spaces inside the air box 9. The rotating cylinder 15 is provided with air holes 17 in the upper and lower spaces of the air box 9 respectively. The exhaust component is connected to one of the internal spaces of the air box 9, and the inflation component is connected to the other internal space of the air box 9. The inner wall of the rotating cylinder 15 is connected to a partition 18 for separating the left and right spaces inside the rotating cylinder 15. The air holes 17 in the upper space of the air box 9 and the air holes 17 in the lower space of the air box 9 are respectively located on both sides of the partition 18.

[0048] The exhaust assembly quickly establishes a high vacuum environment through the gas channel inside the connecting cylinder 19, removing residual gas and impurities from the krypton lamp; the gas filling assembly accurately injects the working gas into the krypton lamp cavity, ensuring that the gas purity meets the working requirements and realizing the replacement of the working gas.

[0049] The rotating component drives the cylinder base 19 to rotate, causing the krypton lamp to continuously change its heating angle during the heating process. The heating components are symmetrically arranged on both sides of the worktable 1 to provide uniform heat radiation. During the rotation of the krypton lamp, each part can be heated evenly, avoiding local overheating or cold spots. This ensures that the gas inside the lamp body and the residual substances in the cavity are released evenly, improving the vacuuming effect.

[0050] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A vacuum pumping and exhaust device for a laser-pumped krypton lamp, comprising a worktable (1), characterized in that: The top center of the workbench (1) is provided with a cylinder base (19) for installing a krypton lamp, and heating components for heating the krypton lamp are symmetrically arranged on both sides of the top of the workbench (1). The upper section of the cylinder base (19) is provided with a dustproof component for covering the opening of the cylinder base (19), the middle section of the cylinder base (19) is provided with a locking component for fixing the krypton lamp, the lower section of the cylinder base (19) is provided with a sealing component for sealing the gap between the krypton lamp and the cylinder base (19), and the outer surface of the cylinder base (19) is provided with a driving component for synchronously driving the dustproof component, the locking component and the sealing component. The locking assembly includes an elastic clamp (21). A square hole (22) is provided through the outer surface of the middle section of the cylinder seat (19). Multiple sets of square holes (22) are provided and are symmetrically distributed along the axis. The elastic clamp (21) has an inverted "Y" shaped outline. The elastic clamp (21) is located inside the square hole (22) and its top is connected to the inner top of the square hole (22). The lower outer branch of the elastic clamp (21) is located outside the cylinder seat (19). The surface of the lower inner branch of the elastic clamp (21) is covered with a protective pad (26). The bottom of the workbench (1) is provided with a rotating component for rotating the cylinder base (19). The bottom of the workbench (1) is also provided with an exhaust component for evacuating the gas inside the krypton lamp and an inflation component for filling the gas inside the krypton lamp. The exhaust component and the inflation component are connected to the inside of the cylinder base (19) through the rotating component. The rotating assembly includes a rotating cylinder (15) and an air box (9). The air box (9) is connected to the bottom center of the workbench (1). The rotating cylinder (15) is a hollow cylinder with an open top and a sealed bottom. The rotating cylinder (15) penetrates the air box (9), the shelf (16), and the workbench (1) and is connected to the bottom of the cylinder seat (19). The rotating cylinder (15) is connected to the cylinder seat (19). The rotating cylinder (15), the air box (9), and the shelf (16) are all rotate-sealed. The bottom of the rotating cylinder (15) is coaxially connected to a transmission disk (10). A motor (11) is installed at the bottom of the workbench (1). The output shaft of the motor (11) is connected to the transmission disk (10) for transmission.

2. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 1, characterized in that: The inner wall of the air box (9) is connected to a shelf (16) for separating the upper and lower spaces inside the air box (9). The rotating cylinder (15) is provided with air holes (17) in the upper and lower spaces of the air box (9). The exhaust assembly is connected to one of the internal spaces of the air box (9), and the inflation assembly is connected to the other internal space of the air box (9).

3. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 2, characterized in that: The inner wall of the rotating cylinder (15) is connected to a partition (18) for separating the left and right spaces inside the rotating cylinder (15). The air hole (17) located in the upper space inside the air box (9) and the air hole (17) located in the lower space inside the air box (9) are respectively located on both sides of the partition (18).

4. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 1, characterized in that: The exhaust assembly includes a vacuum pump (12), which is designed with two sets, including a rotary vane pump for primary vacuuming and a molecular pump for high vacuum extraction. The gas filling assembly includes a gas filling pump (13).

5. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 1, characterized in that: The dustproof assembly includes an outer cylinder (5) and a dustproof sheet (6). The outer cylinder (5) is movably fitted around the upper end of the cylinder seat (19). The dustproof sheet (6) is fan-shaped with its arc edge connected to the inner wall of the upper port of the outer cylinder (5). The dustproof sheet (6) is designed to have multiple pieces that surround and enclose a disc. There is a gap between the inner surface of the outer cylinder (5) and the outer surface of the cylinder seat (19) that can accommodate the dustproof sheet (6).

6. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 5, characterized in that: The sealing assembly includes a sealing ring (23) and an airbag (27). The lower inner wall of the cylinder seat (19) is provided with an annular groove (24). The sealing ring (23) is installed in the annular groove (24). The airbag (27) is installed between the lower branches of the elastic clamp (21). The sealing ring (23) is hollow inside and has a pipe connection with the airbag (27).

7. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 6, characterized in that: The drive assembly includes a spiral ring (7) spirally disposed on the outer surface of the cylinder seat (19). The spiral ring (7) is located above the elastic clamp (21). The bottom of the outer cylinder (5) is rotatably connected to the top surface of the spiral ring (7). A pressure ring (20) is rotatably connected to the bottom of the spiral ring (7). A bellows (8) covering the pressure ring (20), the square hole (22) and the elastic clamp (21) is connected to the outer edge of the bottom surface of the spiral ring (7). Anti-slip texture (25) is provided on the outer circumferential surface of the spiral ring (7).

8. The vacuum exhaust device for a laser-pumped krypton lamp according to claim 1, characterized in that: The heating assembly includes a heat insulation cover (2) and an electric heating wire (14) disposed inside the heat insulation cover (2). The heat insulation cover (2) has an opening on the side facing the cylinder base (19). A guide plate (4) is provided at the opening end of the heat insulation cover (2). The surface of the guide plate (4) facing the electric heating wire (14) is an arc surface. A fan (3) is provided on the heat insulation cover (2) with the air direction facing the electric heating wire (14) and the guide plate (4).

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