Laser protection storage cylinder device
By designing a laser protection storage cylinder device, a multi-layer filter and cooling system is used to safely collect and process laser beams in optical experiments, solving the problem of laser beams causing harm to experimental personnel and equipment, and improving both safety and efficiency.
Patent Information
- Application Number
- CN202423083280.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In optical experiments, excess laser beams can harm personnel and equipment, and there is a lack of effective means of collection and processing.
Design a laser protection storage cylinder device, comprising a laser cooling module, a laser absorber, a filter device, and a cooling water system. Through multi-layer filtering and cooling absorption of lasers of different wavelengths, and by utilizing cooling water to absorb heat, it achieves safe collection and disposal.
It effectively reduces the risk of laser beam burns to object surfaces, minimizes harm to users, improves experimental safety and efficiency, and the device has a simple and durable structure.
Smart Images
Figure CN223697786U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser safety protection technical field relates to a kind of laser protection storage cylinder device, for safe collection and processing laser beam energy in optical experiment. BACKGROUND
[0002] In optical experiment, laser beam is widely used and necessary, but there is also certain safety risk. Excess laser line can be generated in the experiment process, and if not collected and processed in time, it can not only cause harm to the eyes of the experimental personnel, but also can interfere with the experimental equipment. UTILITY MODEL CONTENT
[0003] (One) utility model purpose
[0004] The utility model aims at: design a kind of laser protection storage cylinder device, guarantee experimental safety and improve experimental efficiency.
[0005] (Two) technical scheme
[0006] In order to solve the above technical problems, the utility model provides a kind of laser protection storage cylinder device, it includes laser cooling module 1, laser absorber 2, water outlet 3, top cover 4, top cover screw 6, water inlet 7, first filter device 8, second filter device 9, third filter device 10;Laser cooling module 1 is the conical cylinder of large end opening, and the first cylindrical tube is arranged at the opening end;Laser absorber 2 is the conical cylinder of large end opening, and the second cylindrical tube is arranged at the opening end, and the outer flange ring is arranged as top cover 4 at the second cylindrical tube port;Laser absorber 2 is sleeved in the inner cavity of laser cooling module 1, and the gap is matched between the two, and top cover 4 is pressed on the end face of the first cylindrical tube port and is fixedly connected by top cover screw 6;Cooling water is injected in the clamping cavity between laser absorber 2 and laser cooling module 1, water inlet 7 is opened at one side of the first cylindrical tube, and water outlet 3 is opened at the other side, for the injection and discharge of cooling water;First filter device 8, second filter device 9 and third filter device 10 are arranged coaxially and spaced apart in the inner cavity of laser absorber 2, and the near-infrared laser is reflected to the inner wall of laser absorber 2 by first filter device 8;Subsequent laser beam continues to reflect the mid-infrared laser to the inner wall of laser absorber 2 for further absorption by second filter device 9;Residual laser continues to reflect the far-infrared laser to the inner wall of laser absorber 2 for absorption by third filter device 10;The remaining ultraviolet light and visible light with a small amount of heat are absorbed at the bottom of laser absorber 2, and the heat absorbed by laser absorber 2 is absorbed and quickly taken away by the circulating cooling water in the clamping cavity between laser cooling module 1 and laser absorber 2, to realize the absorption of laser of different wavelengths.
[0007] Among them, annular groove is opened on the first cylindrical tube end face, and sealing strip 5 is arranged in the annular groove.
[0008] The water inlet 7 is arranged below the laser cooling module 1, the water outlet 3 is arranged above the laser cooling module 1, and the cooling water is low in and high out.
[0009] The inner wall surface 2-1 of the laser absorber 2 is provided with a spiral groove to form a threaded absorption surface.
[0010] The first filter device 8 includes a positioning pin 8-1, a mirror frame 8-2, and a filter 8-3. The upper and lower ends of the mirror frame 8-2 are connected to the hole of the inner wall of the laser absorber 2 through the positioning pin 8-1, and the filter 8-3 is installed on the mirror frame 8-2 and is reinforced by glue.
[0011] The second filter device 9 and the third filter device 10 have the same structure as the first filter device 8, and the sizes of the second filter device 9, the third filter device 10, and the first filter device 8 are different. They are connected to the laser absorber 2 in the same way.
[0012] The angles between the filters in the first filter device 8, the second filter device 9, and the third filter device 10 and the wide opening surface of the laser absorber 2 are the same, which is 30°-60°. The center distances of the first filter device 8 and the second filter device 9 and the second filter device 9 and the third filter device 10 are equal.
[0013] The angles between the filters in the first filter device 8, the second filter device 9, and the third filter device 10 and the wide opening surface of the laser absorber 2 are 45°. The center distance of the first filter device 8 and the second filter device 9 is 60mm, the center distance of the second filter device 9 and the third filter device 10 is 60mm, the diameter of the filter of the first filter device 8 is 160mm, the diameter of the filter of the second filter device 9 is 120mm, and the diameter of the filter of the third filter device 10 is 80mm.
[0014] The filters of the first filter device 8, the second filter device 9, and the third filter device 10 are all infrared filters.
[0015] The filter of the first filter device 8 blocks near-infrared laser with a wavelength of 700-1400nm, the filter of the second filter device 9 blocks mid-infrared laser with a wavelength of 1400-3000nm, and the filter of the third filter device 10 blocks far-infrared laser with a wavelength of 3000nm-1mm.
[0016] (Three) beneficial effects
[0017] The laser protection storage cylinder device provided by the above technical scheme has the following beneficial effects:
[0018] 1. By effectively absorbing the laser beam through the absorption layer, the energy density of the laser beam is reduced, thereby reducing the risk of burning or damaging the surface of the object.
[0019] 2. The heat dissipation layer scatters the laser beam, disperses the laser beam into invisible or non-dangerous form, and further reduces the risk of injury of the laser beam to the user.
[0020] 3. The cylinder is made of high-temperature-resistant and corrosion-resistant material, has good mechanical strength and stability, and ensures the service life and safety of the device.
[0021] 4. The device is simple in structure and convenient to use, and is suitable for storage and protection of various laser equipment. BRIEF DESCRIPTION OF DRAWINGS
[0022] Fig. 1 is a structure schematic view of a laser protection storage cylinder device of the utility model.
[0023] Fig. 2 is a three-dimensional structure schematic view of a laser protection storage cylinder device of the utility model.
[0024] Fig. 3 is a filter device structure schematic view of a laser protection storage cylinder device of the utility model. DETAILED DESCRIPTION
[0025] In order to make the purpose, content and advantages of the utility model more clear, the specific implementation of the utility model is described in further detail below in combination with the drawings and examples.
[0026] Referring to Figs. 1 to 3As shown, the laser protection storage cylinder device of the embodiment includes a laser cooling module 1, a laser absorber 2, a water outlet 3, a top cover 4, a top cover screw 6, a water inlet 7, a first light filtering device 8, a second light filtering device 9, and a third light filtering device 10. The laser cooling module 1 is a conical cylinder with a large opening at the end, and the opening end is provided with a first cylindrical tube. The laser absorber 2 is also a conical cylinder with a large opening at the end, and the opening end is provided with a second cylindrical tube. The second cylindrical tube is provided with an outer flange ring as the top cover 4. The laser absorber 2 is sleeved in the inner cavity of the laser cooling module 1, and the gap between the two is matched. The top cover 4 is pressed on the end face of the first cylindrical tube port and is fixedly connected through the top cover screw 6. Cooling water is injected into the gap between the laser absorber 2 and the laser cooling module 1. The first cylindrical tube is provided with a water inlet 7 on one side and a water outlet 3 on the other side for the injection and discharge of cooling water. The first light filtering device 8, the second light filtering device 9, and the third light filtering device 10 are coaxially and spaced apart in the inner cavity of the laser absorber 2. The laser beam passes through the first light filtering device 8 to reflect the near-infrared laser to the inner wall of the laser absorber 2 for absorption. The subsequent laser beam continues to pass through the second light filtering device 9 to reflect the mid-infrared laser to the inner wall of the laser absorber 2 for further absorption. The remaining laser continues to pass through the third light filtering device 10 to reflect the far-infrared laser to the inner wall of the laser absorber 2 for absorption. The remaining ultraviolet light and visible light with a small amount of heat are absorbed at the bottom of the laser absorber 2. The heat absorbed by the laser absorber 2 is absorbed and quickly removed by the circulating cooling water in the gap between the laser cooling module 1 and the laser absorber 2, realizing the absorption of lasers of different wavelengths.
[0027] An annular groove is opened on the end face of the first cylindrical tube, and a sealing strip 5 is arranged in the annular groove to enhance the sealing between the end face of the first cylindrical tube and the top cover 4.
[0028] The water inlet 7 is arranged below the laser cooling module 1, and the water outlet 3 is arranged above the laser cooling module 1. By means of low-in and high-out, it is ensured that the cooling water is in full contact with the outer wall of the laser absorber 2, so as to achieve good heat exchange effect.
[0029] The shell of the laser absorber 2 is a conical structure with a wide outer part and a narrow inner part. The shell is processed by integral casting and is made of high-efficiency heat-conducting material. The inner wall surface 2-1 includes a spiral groove to form a threaded absorption surface, thereby increasing the heated area and fully absorbing the laser heat. Preferably, the diameter ratio of the wide opening to the narrow opening is 1-3 times. In the embodiment, the diameter ratio of the wide opening to the narrow opening is 2. The center distance between the wide opening and the narrow opening is 300 mm. The diameter of the wide opening is 260 mm, and the diameter of the narrow opening is 130 mm. The spiral starting diameter is the diameter of the wide opening, and the ending diameter is consistent with the diameter of the narrow opening. The pitch is 5 mm, the spiral angle is 30°, the lead is 100 mm, the spiral length is 300 mm, the surface roughness of the spiral groove is Ra1.6 μm, there is no scratch and burr, and the surface is treated for rust prevention.
[0030] The first light filtering device 8 comprises a positioning pin 8-1, a mirror frame 8-2 and a filter 8-3, the upper and lower ends of the mirror frame 8-2 are connected to the pin holes in the inner wall of the laser absorber 2 through the positioning pin 8-1, and the filter 8-3 is installed on the mirror frame 8-2 and is reinforced by glue.
[0031] The first light filtering device 8, the second light filtering device 9 and the third light filtering device 10 are the same in structure but different in size, and are connected to the laser absorber 2 in the same way, preferably, the angle between the filter 8-3 and the wide opening surface of the laser absorber 2 is 30°-60°, the center distances of the first light filtering device 8 and the second light filtering device 9 and the center distances of the second light filtering device 9 and the third light filtering device 10 are equal, in the embodiment, the angle between the filter 8-3 and the wide opening surface of the laser absorber 2 is 45°, the center distance of the first light filtering device 8 and the second light filtering device 9 is 60 mm, the center distance of the second light filtering device 9 and the third light filtering device 10 is 60 mm, the diameter of the filter of the first light filtering device 8 is 160 mm, the diameter of the filter of the second light filtering device 9 is 120 mm, and the diameter of the filter of the third light filtering device 10 is 80 mm, the filters of the first light filtering device 8, the second light filtering device 9 and the third light filtering device 10 are all infrared filters, which mainly uniformly distribute the infrared laser with a large amount of heat into the inner wall 2-1 of the laser absorber 2, in the embodiment, the filter of the first light filtering device 8 blocks the near-infrared laser with a wavelength of 700-1400 nm, the filter of the second light filtering device 9 blocks the middle-infrared laser with a wavelength of 1400-3000 nm, and the filter of the third light filtering device 10 blocks the far-infrared laser with a wavelength of 3000 nm-1 mm, and the remaining ultraviolet light and visible light with less heat are absorbed at the bottom of the laser absorber 2.
[0032] The preferred embodiments of the present application are described above, it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A laser safety storage cartridge device, characterized by, The application relates to a laser cooling module, which comprises a laser cooling module (1), a laser absorber (2), a water outlet (3), a top cover (4), a top cover screw (6), a water inlet (7), a first light filtering device (8), a second light filtering device (9) and a third light filtering device (10). The laser cooling module (1) is a conical cylinder with an open large end, and a first cylindrical tube is arranged at the open end. The laser absorber (2) is also a conical cylinder with an open large end, and a second cylindrical tube is arranged at the open end. An outer flange ring is arranged at the end of the second cylindrical tube as the top cover (4). The laser absorber (2) is arranged in the inner cavity of the laser cooling module (1) in a gap fit mode, the top cover (4) is pressed on the end face of the first cylindrical tube port and is fixedly connected through the top cover screw (6), cooling water is injected into the gap between the laser absorber (2) and the laser cooling module (1), the water inlet (7) is arranged on one side of the first cylindrical tube, and the water outlet (3) is arranged on the other side of the first cylindrical tube for injecting and discharging the cooling water. The first light filtering device (8), the second light filtering device (9) and the third light filtering device (10) are coaxially and spacedly arranged in the inner cavity of the laser absorber (2). The laser beam is reflected to the inner wall of the laser absorber (2) through the first light filtering device (8) to be absorbed. The subsequent laser beam is reflected to the inner wall of the laser absorber (2) through the second light filtering device (9) to be further absorbed. The remaining laser is reflected to the inner wall of the laser absorber (2) through the third light filtering device (10) to be absorbed. The remaining ultraviolet light and visible light with a small amount of heat are absorbed at the bottom of the laser absorber (2), the heat absorbed by the laser absorber (2) is absorbed and quickly removed by the circulating cooling water in the gap between the laser cooling module (1) and the laser absorber (2), and the laser absorption of different wavelengths is realized.
2. The laser safety storage cylinder apparatus of claim 1, wherein, A ring groove is formed in the end face of the first cylindrical tube, and a sealing strip (5) is arranged in the ring groove.
3. The laser safety storage cylinder apparatus of claim 2, wherein, The water inlet (7) is arranged below the laser cooling module (1), the water outlet (3) is arranged above the laser cooling module (1), and the cooling water is injected from low to high.
4. The laser safety storage cylinder apparatus of claim 3, wherein, A helical groove is arranged on the inner wall surface (2-1) of the laser absorber (2) to form a threaded absorption surface.
5. The laser safety storage cylinder apparatus of claim 4, wherein, The first light filtering device (8) comprises a positioning pin (8-1), a mirror frame (8-2) and a light filtering sheet (8-3). The upper and lower ends of the mirror frame (8-2) are connected to the pin holes in the inner wall of the laser absorber (2) through the positioning pin (8-1), and the light filtering sheet (8-3) is mounted on the mirror frame (8-2) and is reinforced by glue.
6. The laser safety storage cylinder apparatus of claim 5, wherein, The structures of the second light filtering device (9) and the third light filtering device (10) are the same as that of the first light filtering device (8), the sizes of the second light filtering device (9), the third light filtering device (10) and the first light filtering device (8) are different, and the second light filtering device (9) and the third light filtering device (10) are connected to the laser absorber (2) in the same way.
7. The laser safety storage cylinder apparatus of claim 6, wherein, The included angles between the light filtering sheets in the first light filtering device (8), the second light filtering device (9) and the third light filtering device (10) and the wide opening face of the laser absorber (2) are the same and are 30-60 degrees. The center distances of the first light filtering device (8) and the second light filtering device (9) and the second light filtering device (9) and the third light filtering device (10) are equal.
8. The laser safety storage cylinder apparatus of claim 7, wherein, The included angle between the filter in the first filter device (8), the second filter device (9) and the third filter device (10) and the wide opening surface of the laser absorber (2) is 45°, the center distance between the first filter device (8) and the second filter device (9) is 60mm, the center distance between the second filter device (9) and the third filter device (10) is 60mm, the diameter of the filter of the first filter device (8) is 160mm, the diameter of the filter of the second filter device (9) is 120mm, and the diameter of the filter of the third filter device (10) is 80mm.
9. The laser safety storage cartridge apparatus of claim 7, wherein, The filters of the first filter device (8), the second filter device (9) and the third filter device (10) are all infrared filters.
10. The laser safety storage cartridge apparatus of claim 9, wherein, The filter of the first filter device (8) blocks near-infrared laser with a wavelength of 700-1400nm, the filter of the second filter device (9) blocks mid-infrared laser with a wavelength of 1400-3000nm, and the filter of the third filter device (10) blocks far-infrared laser with a wavelength of 3000nm-1mm.