Methane concentration detection device
By designing an electric telescopic rod and a drive motor to move the methane sensor, combined with a brush and pyrethroid blocks, the problem of existing devices being unable to comprehensively detect methane concentration in sewers is solved, improving the detection range and stability, and avoiding the influence of mosquitoes.
Patent Information
- Application Number
- CN202520270466.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing methane concentration detection devices can only detect at fixed locations in the sewer, and cannot cover different locations. Furthermore, the stability of the methane sensor is affected by prolonged shaking, and it is prone to falling off.
A methane concentration detection device was designed, comprising an electric telescopic rod, a drive motor, a brush, and a pyrethroid block. The height of the sensor is adjusted by the electric telescopic rod, the drive motor moves the sensor, and the brush and pyrethroid block prevent mosquitoes from attaching, thus enabling detection at different locations in the sewer.
It improves the detection range and practicality, ensures sensor stability, avoids the influence of mosquitoes, and enables comprehensive monitoring of methane concentration in sewers.
Smart Images

Figure CN223784297U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to methane detection technical field, concretely is a kind of methane concentration detection device. BACKGROUND
[0002] Biogas is a kind of mixed gas generated by the fermentation of microorganisms under anaerobic conditions of organic matter. In the sewer, because various organic matters are mixed together, and the anaerobic conditions are easy to meet, so the sewer provides excellent conditions for biogas generation. Methane sensor needs to be used when detecting methane concentration.
[0003] The methane concentration detection device with publication number CN221260917U sets rotating motor, rotating plate and limit ring etc., the methane sensor assembly of the detection device can reciprocate positive and negative rotation, which to some extent avoids the influence of small animals on its detection.
[0004] There are still some deficiencies in use. In use, only the fixed position in the sewer can be detected for methane concentration, and the methane concentration in different positions inside the sewer cannot be detected, thereby reducing the use range and practicality of methane concentration detection. At the same time, due to the swing of the methane sensor to avoid mosquito attachment, the long-term shaking of the methane sensor will also reduce the stability of the methane sensor, causing the methane sensor to fall off accidentally, and thus the methane concentration inside the sewer pipe cannot be detected. Therefore, we propose a methane concentration detection device. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of methane concentration detection device to solve the problems raised in the above background.
[0006] To achieve the above purpose, the utility model provides the following technical scheme:
[0007] A kind of methane concentration detection device, including bottom plate, the top of the bottom plate is fixedly connected with top plate, the top plate is opened in slide slot, the slide slot is slidably connected with moving plate, the top of the moving plate is installed with electric telescopic handle, the top of the electric telescopic handle is fixedly connected with round bar, the outer portion of the round bar is fixedly connected with fixed ring, the side surface of the fixed ring is installed with micro air cylinder, the side surface of the micro air cylinder is fixedly connected with circular ring, the inner wall of the circular ring is fixedly connected with brush, the side end of the round bar is fixedly connected with connecting column, the connecting column is opened in recess, the recess is abutted with pyrethrum block, the side end of the connecting column is fixedly connected with methane sensor.
[0008] As the preferred scheme of the utility model, the circular ring is arranged outside the connecting column, the bottom of the moving plate is fixedly connected with a resisting rod, the resisting rod extends to the bottom of the top plate, the side surface of the resisting rod is fixedly connected with a sleeve ring.
[0009] As the preferred scheme of the utility model, the surface of the bottom plate is provided with a driving motor, the output end of the driving motor is fixedly connected with a rotating disc, and the surface of the rotating disc is fixedly connected with a steel rod.
[0010] As the preferred scheme of the utility model, the steel rod extends into the sleeve ring and is in sliding connection with the sleeve ring, the shapes of the two ends of the sleeve ring are circular, and the material of the sleeve ring is stainless steel.
[0011] As the preferred scheme of the utility model, the top of the top plate is fixedly connected with an alarm lamp and a display screen respectively, the methane sensor is in electric connection with the display screen, and the display screen is in electric connection with the alarm lamp.
[0012] As the preferred scheme of the utility model, the bottom of the bottom plate is provided with a universal wheel, and the universal wheel is movably connected with the bottom plate.
[0013] As the preferred scheme of the utility model, the plurality of brushes are equiangularly distributed on the inner wall of the circular ring, and the sizes of the plurality of brushes are the same.
[0014] As the preferred scheme of the utility model, the shape of the connecting column is cylindrical, the material of the connecting column is stainless steel, and the connecting column is opposite to the circular rod in position.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、In the utility model, through the cooperation of the electric telescopic rod, the circular rod, the fixed ring, the micro cylinder, the circular ring, the brush, the pyrethrum block, the methane sensor, the display screen and the alarm lamp, the methane concentration in the sewer pipe can be monitored by the methane sensor, and the display screen is used for display, the alarm lamp flashes when the methane concentration is high, the height of the methane sensor can be adjusted by the electric telescopic rod, the methane sensor can be applied to sewer pipes of different heights, the mosquito and the fly can be avoided from adhering to the surface of the methane sensor through the movement of the brush, the mosquito and the fly can be further avoided from adhering through the repellent effect of the pyrethrum block, and the influence on the methane concentration detection is avoided.
[0017] 2、In the utility model, through the cooperation of the driving motor, the rotating disc, the steel rod, the sleeve ring and the resisting rod, the moving plate and the methane sensor can be moved under the power of the driving motor, the methane sensor can detect the methane at different positions of the sewer pipe, and the use range and the practicality of the concentration detection device during use are improved. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the movable plate and the electric telescopic rod of this utility model;
[0020] Figure 3 This is a schematic diagram of the drive motor and turntable of this utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the top plate surface of this utility model.
[0022] In the diagram: 1. Base plate; 2. Casters; 3. Top plate; 4. Slide groove; 5. Moving plate; 6. Electric telescopic rod; 7. Round rod; 8. Fixing ring; 9. Miniature cylinder; 10. Warning light; 11. Display screen; 12. Turntable; 13. Drive motor; 14. Collar; 15. Steel rod; 16. Support rod; 17. Methane sensor; 18. Connecting column; 19. Groove; 20. Pyrethroid block; 21. Circular ring; 22. Brush. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0024] For examples, please refer to Figures 1-4 This utility model provides a technical solution:
[0025] A methane concentration detection device includes a base plate 1, a top plate 3 fixedly connected to the top of the base plate 1, a groove 4 formed in the top plate 3, a movable plate 5 slidably connected in the groove 4, an electric telescopic rod 6 mounted on the top of the movable plate 5, a round rod 7 fixedly connected to the top of the electric telescopic rod 6, a fixing ring 8 fixedly connected to the outside of the round rod 7, a miniature cylinder 9 mounted on the side of the fixing ring 8, a circular ring 21 fixedly connected to the side of the miniature cylinder 9, a brush 22 fixedly connected to the inner wall of the circular ring 21, a connecting post 18 fixedly connected to the side end of the round rod 7, a groove 19 formed in the connecting post 18, a pyrethroid block 20 abutting in the groove 19, and a methane sensor 17 fixedly connected to the side end of the connecting post 18.
[0026] In this embodiment, as Figure 1 and Figure 2As shown, the circular ring 21 is arranged outside the connecting column 18, the bottom of the moving plate 5 is fixedly connected with the abutting rod 16, the abutting rod 16 extends to the bottom of the top plate 3, the side surface of the abutting rod 16 is fixedly connected with the sleeve ring 14, the surface of the bottom plate 1 is provided with the driving motor 13, the output end of the driving motor 13 is fixedly connected with the rotating disc 12, the surface of the rotating disc 12 is fixedly connected with the steel rod 15, the steel rod 15 extends into the sleeve ring 14 and is in sliding connection with the sleeve ring 14, the shapes of the two ends of the sleeve ring 14 are circular, and the material of the sleeve ring 14 is stainless steel.
[0027] Wherein, the methane concentration inside the sewer pipe can be monitored by the methane sensor 17, and displayed by the display screen 11, when the methane concentration is high, the alarm lamp 10 flashes, at the same time, the height of the methane sensor 17 can be adjusted by the electric telescopic rod 6, so that the methane sensor 17 can be suitable for sewer pipes of different heights, and the movement of the brush 22 can avoid mosquitoes and insects adhering to the surface of the methane sensor 17, at the same time, the repellent effect of the pyrethrin block 20 on mosquitoes and insects can further avoid the adhesion of mosquitoes and insects, and avoid affecting the detection of methane concentration.
[0028] As shown in the embodiment Figure 3 and Figure 4 As shown, the top of the top plate 3 is fixedly connected with the alarm lamp 10 and the display screen 11 respectively, the methane sensor 17 is in electrical connection with the display screen 11, and the display screen 11 is in electrical connection with the alarm lamp 10, the bottom of the bottom plate 1 is provided with the universal wheel 2, the universal wheel 2 is in movable connection with the bottom plate 1, the brush 22 is provided with a plurality of brushes 22, the plurality of brushes 22 are equally angularly distributed on the inner wall of the circular ring 21, the sizes of the plurality of brushes 22 are the same, the connecting column 18 is in the shape of a cylinder, the material of the connecting column 18 is stainless steel, and the connecting column 18 is opposite to the circular rod 7.
[0029] Wherein, the moving plate 5 and the methane sensor 17 can be moved under the power action of the driving motor 13, so that the methane sensor 17 can detect methane at different positions of the sewer pipe, thereby improving the use range and practicality of the concentration detection device in use.
[0030] The utility model discloses a working procedure: using the methane concentration detection device designed in the scheme in working, the pyrethrum block 20 is abutted in the recess 19, then through electric telescopic link 6 drive round bar 7, connecting column 18 and methane sensor 17 move in vertical direction, and then can make methane sensor 17 adapt to different height of sewer, then through drive motor 13 drive turntable 12 and steel pole 15 rotate, because steel pole 15 and sleeve ring 14 sliding connection, and then can drive abutment rod 16, moving plate 5, electric telescopic link 6 and methane sensor 17 move in sewer pipeline inside, simultaneously through micro pneumatic cylinder 9 drive annular 21 and brush 22 move, through the movement of brush 22 can avoid mosquito and insect to adhere to the surface of methane sensor 17, and simultaneously through the repelling action of pyrethrum block 20 to mosquito and insect, can further avoid mosquito and insect to adhere to the surface of methane sensor 17, through methane sensor 17 to the methane concentration of sewer pipeline inside is monitored, then through display screen 11 shows the concentration of methane, when methane concentration is higher then alarm lamp 10 flickers, can carry out methane concentration detection to the different position in sewer pipeline inside, make detection device more practical when using.
[0031] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A methane concentration detection device comprising a base plate (1), characterised in that: The top of the bottom plate (1) is fixedly connected with a top plate (3), a chute (4) is opened in the top plate (3), a moving plate (5) is slidably connected in the chute (4), a electric telescopic rod (6) is installed on the top of the moving plate (5), a round rod (7) is fixedly connected on the top of the electric telescopic rod (6), a fixed ring (8) is fixedly connected on the outside of the round rod (7), a micro air cylinder (9) is installed on the side of the fixed ring (8), a circular ring (21) is fixedly connected on the side of the micro air cylinder (9), a brush (22) is fixedly connected on the inner wall of the circular ring (21), a connecting column (18) is fixedly connected on the side end of the round rod (7), a groove (19) is opened in the connecting column (18), a pyrethrum block (20) is abutted in the groove (19), a methane sensor (17) is fixedly connected on the side end of the connecting column (18).
2. The methane concentration detection device according to claim 1, characterized by: The circular ring (21) is arranged outside the connecting column (18), the bottom of the moving plate (5) is fixedly connected with an abutting rod (16), the abutting rod (16) extends to the bottom of the top plate (3), the side of the abutting rod (16) is fixedly connected with a sleeve ring (14).
3. The methane concentration detection device of claim 1, wherein: The surface of the bottom plate (1) is installed with a driving motor (13), the output end of the driving motor (13) is fixedly connected with a rotating disc (12), the surface of the rotating disc (12) is fixedly connected with a steel rod (15).
4. The methane concentration detection device according to claim 3, wherein: The steel rod (15) extends into the sleeve ring (14) and is slidably connected with the sleeve ring (14), the shapes of the two ends of the sleeve ring (14) are circular, and the material of the sleeve ring (14) is stainless steel.
5. The methane concentration detection device of claim 1, wherein: The top of the top plate (3) is fixedly connected with an alarm lamp (10) and a display screen (11) respectively, the methane sensor (17) is electrically connected with the display screen (11), and the display screen (11) is electrically connected with the alarm lamp (10).
6. The methane concentration detection device of claim 1, wherein: The bottom of the bottom plate (1) is provided with a universal wheel (2), and the universal wheel (2) is movably connected with the bottom plate (1).
7. The methane concentration detection device of claim 1, wherein: The brush (22) is provided with a plurality of brush (22), a plurality of brush (22) are equiangularly distributed on the inner wall of the circular ring (21), and the sizes of the plurality of brush (22) are the same.
8. The methane concentration detection device of claim 1, wherein: The shape of the connecting column (18) is cylindrical, the material of the connecting column (18) is stainless steel, and the connecting column (18) is opposite to the round rod (7).
Citation Information
Patent Citations
Methane concentration detection device
CN221260917U