Laser assembly for gas detection

Abstract

The utility model relates to the technical field of gas detection, and particularly discloses a laser assembly for gas detection, which comprises a detector for gas and a detection area arranged at the front end of the detector, the detector comprises a body, and one end of the body is combined with the detector; the inner side of the body is provided with a cavity, and the inner side of the cavity is provided with a laser; the detection area is positioned at the front end of the laser and is used for guiding the emission of laser; according to the utility model, through the combination of the arranged lens and the arranged shifting ring and the adjustment of the position of the lens, the scattering degree of laser can be focused during use, so that the detection precision of the laser is improved, and meanwhile, through the cooperation of the knob arranged on the body, the detection precision of the laser can be improved through the sliding assembly, namely the rotation of the knob. Therefore, the position of the laser can be adjusted, and the position of the laser is combined with the position of the lens, so that the focusing precision of the laser can be better adjusted, and the use requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of gas detection technology, specifically a laser assembly for gas detection. Background Technology

[0002] A methane laser detector is an instrument specifically designed to detect and measure the concentration of methane gas in the air. As a major greenhouse gas and combustible gas, methane concentration monitoring has important applications in environmental protection, industrial safety, and energy management.

[0003] Because lasers are used, environmental factors can cause scattering when the laser is emitted, leading to significant errors in detection accuracy. Therefore, improvements are needed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a laser assembly for gas detection, which solves the problem that in existing technologies, lasers are subject to scattering due to external environmental factors, leading to significant errors in detection accuracy.

[0005] The present invention relates to a laser assembly for gas detection, comprising a detector for gas and a detection area disposed at the front end of the detector.

[0006] The detector includes a body, one end of which is combined with the detector.

[0007] A cavity is provided on the inner side of the body, and a laser is installed on the inner side of the cavity;

[0008] The detection area is located at the front end of the laser and is used to guide the laser beam.

[0009] The detection area includes a lens and a sleeve. The lens is located at the front end of the laser and is used to focus the emitted laser.

[0010] A protrusion is provided on the outer side of the lens, and the protrusion is slidably connected to the inner side of the sleeve for adjusting the position of the lens.

[0011] As a further improvement of this utility model, a control panel is provided on the top of the main body, a screen is provided at the front end of the control panel for displaying detection data, and a handle is provided at the bottom of the other end of the main body.

[0012] As a further improvement of this utility model, the detector also includes a knob, a vertical rod is provided below the knob, and a sliding component is provided at the bottom of the vertical rod, the sliding component being combined with the laser.

[0013] As a further improvement of this utility model, the sliding component includes a guide rail, a rack is slidably connected to the inner side of the guide rail, the rack meshes with a gear, and the guide rail is installed inside the cavity of the body by a retaining ring.

[0014] As a further improvement of this utility model, the guide rail is provided with accommodating cavities on both sides of the rack, and a slide rod is slidably connected to the inner side of the accommodating cavity. A mounting plate is fixedly connected to the front end of the slide rod, and the mounting plate is docked and combined with the laser.

[0015] As a further improvement of this utility model, the sleeve includes a cylindrical body, one end of which is provided with a threaded ring, which is threadedly connected to the body of the detector.

[0016] As a further improvement of this utility model, a through cavity is provided on the inner side of the cylinder, which is adapted to the lens, and one or more sliding areas are provided on the outer side of the cylinder in a circular array with the axis of the cylinder.

[0017] As a further improvement of this utility model, a dial ring is slidably connected at the sliding area, and an installation area is provided on the inner side of the dial ring, which is combined with the lens.

[0018] As a further improvement of this utility model, the dial ring includes a ring body, and positioning holes are provided in a ring array around the axis of the ring body.

[0019] As a further improvement of this utility model, a docking block is provided below the positioning hole on the inner side of the ring body, and an insertion hole is provided at the docking block. The insertion hole is fixed by a positioning pin to the outer protrusion of the outer ring of the lens.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention, through the combination of a lens and a dial, allows for focusing of the laser's scattering intensity by adjusting the lens's position, thereby improving laser detection accuracy. Simultaneously, a knob on the main body allows for adjustment of the laser's position via a sliding component. This, combined with the lens's position, further enhances the laser's focusing accuracy to meet specific needs. Furthermore, the adjustment process not only modifies the lens but also the laser itself, making it adaptable to various operating environments and better meeting detection requirements. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a three-dimensional structural diagram of the combination of the detector and the detection area of ​​this utility model;

[0024] Figure 2 This is a top view schematic diagram of the detector structure of this utility model;

[0025] Figure 3 This is a front view schematic diagram of the detector structure of this utility model;

[0026] Figure 4 This is a side view of the detector structure of this utility model;

[0027] Figure 5 This utility model Figure 4 Schematic diagram of the inner structure of the AA section;

[0028] Figure 6 This is a front view schematic diagram of the dial ring structure of this utility model;

[0029] Figure 7 This is a three-dimensional structural diagram of the sliding component of this utility model;

[0030] Figure 8 This is a schematic diagram of the three-dimensional structure of the sleeve of this utility model.

[0031] In the diagram: 1. Detector; 2. Detection area;

[0032] 11. Main body; 12. Control panel; 13. Screen; 14. Grip;

[0033] 21. Knob; 22. Sleeve; 23. Dial ring; 24. Protrusion; 25. Lens; 27. Snap ring; 28. Guide rail; 29. ​​Sliding assembly; 210. Mounting plate; 211. Laser; 212. Outer ring; 213. Vertical rod;

[0034] 221. Through cavity; 222. Cylinder; 223. Threaded ring; 224. Sliding area;

[0035] 231. Ring body; 232. Positioning hole; 233. Mounting area; 234. Connecting block; 235. Insertion hole;

[0036] 291. Rack; 292. Gear; 293. Shaft; 294. Receiving cavity. Detailed Implementation

[0037] The following illustrations will reveal several embodiments of the present invention. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these physical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0038] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0039] Please see Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The methane laser detector 1 is an instrument specifically designed for detecting and measuring the concentration of methane gas in the air. As a major greenhouse gas and combustible gas, methane concentration monitoring has important applications in environmental protection, industrial safety, and energy management.

[0040] Because lasers are used, during use, due to external environmental factors, the laser may scatter when it is emitted, which will result in a large error in the detection accuracy. Based on this, this application provides a laser 211 assembly for gas detection, including a detector 1 for gas and a detection area 2 disposed at the front end of the detector 1.

[0041] Detector 1 includes a body 11, one end of which is combined with detector 1;

[0042] A cavity is provided on the inner side of the main body 11, and a laser 211 is installed on the inner side of the cavity;

[0043] The detection area 2 is located at the front end of the laser 211 and is used to guide the laser emission.

[0044] The detection area 2 includes a lens 25 and a sleeve 22. The lens 25 is located at the front end of the laser 211 and is used to focus the emitted laser.

[0045] A protrusion 24 is provided on the outer side of the lens 25. The protrusion 24 is slidably connected to the inner side of the sleeve 22 for adjusting the position of the lens 25.

[0046] The detector 1 body 11 has a cavity, and a laser 211 is installed inside it. This cavity and the laser 211 together constitute the core part of the laser 211 assembly.

[0047] The detection area 2 is located at the front end of the laser 211 and is used to guide the emission and reception of the laser. This area includes a lens 25 and a sleeve 22. The lens 25 is located at the front end of the laser 211 and is responsible for accurately focusing the emitted laser.

[0048] The lens 25 has protrusions 24 on its outer side, which are slidably connected to the inner side of the sleeve 22. This design allows the lens 25 to be moved by adjusting the position of the protrusions 24, thereby adjusting the focus of the laser. Through the sliding connection, the operator can precisely control the position of the lens 25 to adapt to different detection distances and environmental conditions.

[0049] By connecting the sliding protrusion 24 to the sleeve 22, the user can adjust the position of the lens 25 in real time. This adjustment enables the laser focus to be accurately aligned with the target area, thereby improving the accuracy and reliability of the detection.

[0050] In different gas detection scenarios, the laser's focal point may need to be adjusted to achieve the best detection results. The adjustability of lens 25 allows this laser 211 assembly to flexibly adapt to diverse application requirements, including detection requirements at different distances and gas concentration ranges.

[0051] By adjusting the position of lens 25, precise focusing of the laser can be achieved, reducing the scattering of the laser in the air and thus improving the accuracy and reliability of the detection.

[0052] Adjusting the position of lens 25 allows this laser 211 assembly to adapt to detection requirements of different distances and gas concentration ranges, enhancing its flexibility and practicality in various real-world application scenarios.

[0053] The sliding connection and bump 24 design simplify the operation steps, making the adjustment process more intuitive and efficient, and reducing the time cost of debugging and setting.

[0054] Please see Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The top of the main body 11 is provided with a control panel 12, and the front end of the control panel 12 is provided with a screen 13 for displaying detection data. The bottom of the other end of the main body 11 is provided with a handle 14.

[0055] The detector 1 also includes a knob 21, a vertical rod 213 is provided below the knob 21, and a sliding component 29 is provided at the bottom of the vertical rod 213. The sliding component 29 is combined with the laser 211.

[0056] A control panel 12 is located on top of the laser unit 211, with a display screen at the front. This design allows the operator to intuitively monitor and control the laser detection process.

[0057] Screen 13 displays the detected methane concentration data and other relevant parameters, such as environmental conditions and detector 1 status, providing users with instant feedback and data recording functions.

[0058] A handle 14 is provided at the lower end of the other end of the main body 11 for easy movement and positioning of the entire laser 211 assembly.

[0059] The detector 1 also includes a knob 21, below which is a vertical rod 213, and the bottom of the vertical rod 213 is connected to a sliding component 29. The design of these components allows the operator to adjust the position of the lens 25 and the laser 211 by rotating the knob 21 to optimize the laser focusing effect and detection accuracy.

[0060] The setup of the control panel 12 and screen 13 makes the operation process intuitive and simple, allowing users to understand and control the detection status and data in real time, thus improving operating efficiency and user experience.

[0061] By using the combination of knob 21, vertical rod 213 and sliding component 29, the operator can precisely adjust the various components of laser 211 to achieve the best detection effect and ensure the accuracy and reliability of the data.

[0062] The design of the handle 14 makes it easier to move and position the device. At the same time, the overall operation interface and mechanism design take into account the actual operation needs of users, improving the comfort and convenience of use.

[0063] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7 and Figure 8 The sliding component 29 includes a guide rail 28, and a rack 291 is slidably connected to the inner side of the guide rail 28. The rack 291 meshes with a gear 292. The guide rail 28 is installed inside the cavity of the body 11 by a retaining ring 27.

[0064] The guide rail 28 is provided with accommodating cavities 294 on both sides of the rack 291. A slide rod is slidably connected to the inner side of the accommodating cavity 294. A mounting plate 210 is fixedly connected to the front end of the slide rod. The mounting plate 210 is docked and combined with the laser 211.

[0065] The sliding assembly 29 includes a guide rail 28, on the inner side of which a rack 291 is provided, which meshes with a gear 292. This design ensures smooth and precise sliding, allowing the operator to control the position of the sliding assembly 29 by rotating the gear 292.

[0066] The guide rail 28 is mounted inside the cavity of the detector 1 body 11 via the retaining ring 27, ensuring the stability and reliability of the component.

[0067] Guide rails 28 are located on both sides of rack 291, and each side is provided with a receiving cavity 294. Slide rods are connected to the inside of these receiving cavities 294, and mounting plates 210 are fixedly connected to the front ends of the slide rods.

[0068] The mounting plate 210 is directly connected to the laser 211, ensuring the position and stability of the laser 211 and enabling it to accurately guide the emission and reception of laser light.

[0069] Through the combined design of rack 291, gear 292 and guide rail 28, sliding component 29 can achieve precise position adjustment, ensuring accurate focusing of laser 211 and lens 25, and improving detection accuracy and reliability.

[0070] The structural design of the retaining ring 27 and the sliding assembly 29 ensures stability and durability during long-term use, reducing performance fluctuations caused by operational errors or environmental changes.

[0071] The mechanical design of the sliding component 29 allows the operator to adjust the position of the laser 211 by simply rotating the gear 292, making the operation simple and intuitive and reducing the time cost of adjustment and calibration.

[0072] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7 and Figure 8 The sleeve 22 includes a cylinder 222, one end of which is provided with a threaded ring 223, which is threadedly connected to the body 11 of the detector 1.

[0073] A through cavity 221 is provided on the inner side of the cylinder 222, which is adapted to the lens 25. One or more sliding regions 224 are provided on the outer side of the cylinder 222 in a ring array with the axis 293 of the cylinder 222 as the center line.

[0074] The sleeve 22 includes a cylindrical body 222, one end of which is provided with a threaded ring 223 for threaded connection with the body 11 of the detector 1, ensuring a firm connection and stability between the sleeve 22 and the detector 1.

[0075] A through cavity 221 is provided on the inner side of the cylindrical body 222, and the lens 25 is fitted into the through cavity 221. This design allows the lens 25 to be accurately installed and adjusted to achieve precise focusing of the laser.

[0076] One or more sliding regions 224 are formed on the outer side of the cylinder 222 along the axis 293 of the cylinder 222, forming a ring array. These sliding regions 224 are designed to support the sliding connection between the lens 25 and the protrusion 24, so as to adjust and control the position and focus of the lens 25.

[0077] The through-cavity 221 inside the cylinder 222 and the fitting design of the lens 25 enable precise focusing of the laser. The installation and adjustment capabilities of the lens 25 help operators optimize laser emission and reception, improving the accuracy and reliability of detection.

[0078] The annular array sliding area 224 on the outer side of the sleeve 22 allows the operator to easily adjust the position of the lens 25 to adapt to different inspection needs and environmental conditions. This flexibility ensures high-efficiency inspection performance in various scenarios.

[0079] The threaded connection between the sleeve 22 and the detector 1 body 11 provides structural stability and reliability, preventing loosening or errors during use and ensuring the long-term stable operation of the entire laser 211 assembly.

[0080] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7 and Figure 8 A dial ring 23 is slidably connected at the sliding area 224. The inner side of the dial ring 23 is provided with a mounting area 233, which is combined with the lens 25.

[0081] The dial ring 23 includes a ring body 231, and positioning holes 232 are provided in a ring array around the axis 293 of the ring body 231.

[0082] Below the positioning hole 232, on the inner side of the ring 231, there is a docking block 234. The docking block 234 has an insertion hole 235. The insertion hole 235 is fixed to the outer protrusion 24 of the outer ring 212 of the lens 25 by a positioning pin.

[0083] The dial 23 includes a ring body 231 with positioning holes 232 arranged in a circular array along the center line of the axis 293. These positioning holes 232 are designed to support the precise positioning and fixation of the lens 25.

[0084] The inner side of the dial ring 23 is provided with a mounting area 233, which is suitable for combination with the lens 25 to ensure that the lens 25 can be securely mounted on the dial ring 23.

[0085] Below the positioning hole 232, a mating block 234 is provided on the inner side of the ring 231, and an insertion hole 235 is provided at the mating block 234. These insertion holes 235 are fixed to the outer protrusion 24 of the outer ring 212 of the lens 25 by positioning pins to ensure the position and stability of the lens 25.

[0086] With the design of the insertion hole 235 and positioning hole 232 of the dial ring 23, the lens 25 can be firmly fixed in the laser 211 assembly, avoiding the positional change of the lens 25 due to vibration or operation, and ensuring the precise focusing and detection accuracy of the laser.

[0087] The design of the positioning hole 232 and the insertion hole 235 allows the operator to precisely position and adjust the position of the lens 25 to adapt to different detection needs and environmental conditions, thereby improving the operational flexibility and adaptability of the laser 211 assembly.

[0088] The structural design of the dial 23 and the insertion hole 235 makes the installation and replacement of the lens 25 simpler and faster, reduces possible errors and time costs during operation, and improves the user's operating efficiency and user experience.

[0089] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A laser assembly for gas detection, comprising a detector (1) for gas and a detection region (2) disposed at the front end of the detector (1); Its features are: The detector (1) includes a body (11), one end of which is combined with the detector (1); A cavity is provided on the inner side of the body (11), and a laser (211) is installed on the inner side of the cavity. The detection area (2) is located at the front end of the laser (211) and is used to guide the laser emission. The detection area (2) includes a lens (25) and a sleeve (22). The lens (25) is located at the front end of the laser (211) and is used to focus the emitted laser. The lens (25) has a protrusion (24) on its outer side, which is slidably connected to the inner side of the sleeve (22) for adjusting the position of the lens (25).

2. A laser assembly for gas detection according to claim 1, wherein: The top of the main body (11) is provided with a control panel (12), the front end of the control panel (12) is provided with a screen (13) for displaying detection data, and the bottom of the other end of the main body (11) is provided with a handle (14).

3. A laser assembly for gas detection according to claim 1, wherein: The detector (1) also includes a knob (21), a vertical rod (213) is provided below the knob (21), and a sliding component (29) is provided at the bottom of the vertical rod (213). The sliding component (29) is combined with the laser (211).

4. A laser assembly for gas detection according to claim 3, wherein: The sliding assembly (29) includes a guide rail (28), on the inner side of which a rack (291) is slidably connected, and the rack (291) is engaged with a gear (292). The guide rail (28) is installed inside the cavity of the body (11) by a retaining ring (27).

5. A laser assembly for gas detection according to claim 4, wherein: The guide rail (28) is provided with accommodating cavities (294) on both sides of the rack (291). A slide rod is slidably connected to the inner side of the accommodating cavity (294). A mounting plate (210) is fixedly connected to the front end of the slide rod. The mounting plate (210) is docked and combined with the laser (211).

6. The laser assembly for gas detection of claim 1, wherein: The sleeve (22) includes a cylinder (222), one end of which is provided with a threaded ring (223), which is threadedly connected to the body (11) of the detector (1).

7. A laser assembly for gas detection according to claim 6, wherein: The inner side of the cylinder (222) is provided with a through cavity (221), which is adapted to the lens (25). The outer side of the cylinder (222) is provided with one or more sliding areas (224) arranged in a ring array with the axis (293) of the cylinder (222) as the center line.

8. A laser assembly for gas detection according to claim 7, characterized in that: A dial (23) is slidably connected at the sliding area (224), and an installation area (233) is provided on the inner side of the dial (23), which is combined with the lens (25).

9. A laser assembly for gas detection according to claim 8, wherein: The dial (23) includes a ring body (231), and positioning holes (232) are provided in a ring array around the axis (293) of the ring body (231).

10. A laser assembly for gas detection according to claim 9, wherein: Below the positioning hole (232), a docking block (234) is provided on the inner side of the ring (231). A plug-in hole (235) is provided at the docking block (234). The plug-in hole (235) is fixed to the outer protrusion (24) of the outer ring (212) of the lens (25) by a positioning pin.

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