Natural gas station leakage early warning device

Abstract

The utility model discloses a natural gas station leakage early warning device, which relates to the technical field of natural gas leakage early warning and comprises a base, a rotating mechanism is arranged at the top of the base, a detection mechanism is arranged at the top of the rotating mechanism, the rotating mechanism comprises a first connecting column, the first connecting column is slidably connected to the top of the base, and a second connecting column is arranged at the top of the base. The top of the first connecting column is fixedly connected with a cylinder, and the inner wall of the cylinder is rotationally connected with a first circular shaft. Through cooperation of the rotating mechanism, the first connecting column, the cylinder, the first circular shaft, the rotating disc, the clamping hole, the second circular shaft, the first disc, the notch disc, the motor, the clamping column and the second connecting column, the motor drives the notch disc to enable the rotating disc to rotate, the detection mechanism can rotate, the device can detect conditions in a station in a multi-angle and all-directional mode, corners cannot be left, and the detection efficiency is improved. The reliability and stability of the device are improved, the timeliness of early warning is greatly improved, measures can be taken at the initial stage of a leakage accident, and the accident risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas leak early warning technical field, concretely relates to a natural gas station leak early warning device. BACKGROUND

[0002] The natural gas station leak early warning device is a device combination for monitoring natural gas leakage in a natural gas station and timely issuing an alarm signal when leakage occurs, natural gas is a mixture of gases mainly composed of hydrocarbons existing in underground rock reservoirs, with a specific gravity of about 0.65, lighter than air, and no color, odor, and toxicity. The main component of natural gas is alkane, with methane accounting for the majority, a small amount of ethane, propane, and butane, and in addition, hydrogen sulfide, carbon dioxide, nitrogen, and water vapor, and a small amount of carbon monoxide and trace amounts of rare gases such as helium and argon. To assist in leak detection, natural gas is also added with mercaptan, tetrahydrothiophene, etc.

[0003] Patent publication number CN216844171U discloses a natural gas leak prevention early warning device, which includes a support shell and a rear seat, the rear side of the rear seat is provided with an arc-shaped groove, the middle part of the arc-shaped groove is fixedly connected with a cushion block, an elastic ring is fixedly connected to the upper and lower sides of the rear seat through screws and a pressing plate, the inner side of the elastic ring has an air passage, the protruding parts on the upper and lower sides of the cushion block extend into the inner side of the air passage, the outer side of the elastic ring is fixedly connected with a fixed seat, a natural gas sensor is inserted into the fixed seat, and recesses are arranged at the corners of the left and right sides of the rear seat.

[0004] To solve the problem that the existing natural gas leak alarm usually alarms after natural gas leaks and the concentration of natural gas in the air reaches the detection condition of the natural gas leak alarm, the detection efficiency is low, the existing technology is to wrap the cushion block and the elastic ring around the pipeline connection where natural gas is prone to leak, and after leakage occurs, natural gas flows in the air passage and the channel, which can be detected by the natural gas sensor, but the device cannot detect in multiple directions, which may miss detection, resulting in limited detection range and unsuitability for station detection and early warning. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a natural gas station leak early warning device to solve the problems raised in the background.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model discloses a natural gas station leak early warning device, including the base, the top of base is provided with rotating mechanism, the top of rotating mechanism is provided with detection mechanism, and rotating mechanism includes connecting column no.

[0008] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0009] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0010] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0011] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0012] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0013] The further improvement of the technical scheme of the utility model lies in that: the top of the first circular shaft is fixedly connected with a second circular shaft, the second circular shaft penetrates through the top of the cylinder and extends upward, the inner wall of the cylinder is rotatably connected with a first disc, and the top of the first disc is fixedly connected with a notched disc.

[0014] Due to the adoption of the above technical scheme, the technical progress achieved by the natural gas station leakage early warning device relative to the prior art is that:

[0015] The natural gas station leakage early warning device has the cooperation between the rotating mechanism, the connecting column one, the cylinder, the first circular shaft, the rotating disc, the clamping hole, the second circular shaft, the first disc, the notched disc, the motor, the clamping column and the second connecting column, the notched disc is driven by the motor to rotate the rotating disc, so that the detection mechanism can rotate, the device can detect the situation in the station from multiple angles and in all directions, and the device will not miss the corner, the reliability and stability of the device are improved, the timeliness of early warning is greatly improved, measures can be taken at the initial stage of a leakage accident, and the risk of the accident is reduced.

[0016] The natural gas station leakage early warning device has the cooperation between the rotating mechanism, the connecting column one, the cylinder, the first circular shaft, the rotating disc, the clamping hole, the second circular shaft, the first disc, the notched disc, the motor, the clamping column and the second connecting column, the notched disc is driven by the motor to rotate the rotating disc, so that the detection mechanism can rotate, the device can detect the situation in the station from multiple angles and in all directions, and the device will not miss the corner, the reliability and stability of the device are improved, the timeliness of early warning is greatly improved, measures can be taken at the initial stage of a leakage accident, and the risk of the accident is reduced.

[0017] The natural gas station leakage early warning device has the cooperation between the rotating mechanism, the connecting column one, the cylinder, the first circular shaft, the rotating disc, the clamping hole, the second circular shaft, the first disc, the notched disc, the motor, the clamping column and the second connecting column, the notched disc is driven by the motor to rotate the rotating disc, so that the detection mechanism can rotate, the device can detect the situation in the station from multiple angles and in all directions, and the device will not miss the corner, the reliability and stability of the device are improved, the timeliness of early warning is greatly improved, measures can be taken at the initial stage of a leakage accident, and the risk of the accident is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a structure schematic view of the rotating mechanism of the utility model;

[0020] Figure 3 It is a structure schematic view of the base of the utility model;

[0021] Figure 4 It is a structure schematic view of the detection mechanism of the utility model;

[0022] Figure 5 It is a structure schematic view of the detection mechanism of the utility model.

[0023] In the diagram: 1. Base; 2. Rotating mechanism; 3. Detection mechanism; 11. Support column; 12. Telescopic rod; 13. Shaft plate; 14. Rotating shaft; 15. Fixing plate; 16. Fixing nail; 21. Connecting column one; 22. Cylinder; 23. Round shaft one; 24. Turntable; 25. Locking hole; 26. Round shaft two; 27. Round disc one; 28. Notched disc; 29. ​​Motor; 201. Locking column; 202. Connecting column two; 31. Support block; 32. Support plate one; 33. Detection sensor one; 34. Transmission pipe one; 35. Alarm light; 36. Transmission pipe two; 37. Horn; 38. Detection sensor two; 39. Transmission pipe three; 301. Support plate two; 302. Rain shield. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to embodiments:

[0025] Example 1: As Figures 1-5 As shown, this utility model provides a natural gas station leak early warning device, including a base 1, a rotating mechanism 2 on the top of the base 1, a detection mechanism 3 on the top of the rotating mechanism 2, the rotating mechanism 2 including a connecting column 21, the connecting column 21 being slidably connected to the top of the base 1, a cylinder 22 being fixedly connected to the top of the connecting column 21, a circular shaft 23 being rotatably connected to the inner wall of the cylinder 22, a turntable 24 being fixedly connected to the surface of the circular shaft 23, and a locking hole 25 being formed on the surface of the turntable 24. A second round shaft 26 is fixedly connected to the top of cylinder 23. The second round shaft 26 passes through the top of cylinder 22 and extends upward. A first round disc 27 is rotatably connected to the inner wall of cylinder 22. A notched disc 28 is fixedly connected to the top of the first round disc 27. A motor 29 is fixedly connected to the top of the notched disc 28. A second connecting post 202 is fixedly connected to one end of the motor 29. A locking post 201 is fixedly connected to the top surface of the first round disc 27. The locking post 201 engages with the locking hole 25. The top of the second connecting post 202 is fixedly connected to the inner wall of cylinder 22.

[0026] In this embodiment, by starting the motor 29, the motor 29 drives the notched disc 28 and the disc 27 to rotate. The locking pin 201 on the top of the disc 27 rotates accordingly. When it engages with the locking hole 25, it drives the turntable 24 to rotate. After rotating through a certain angle, the locking pin 201 disengages from the locking hole 25. After the disc 27 rotates one revolution, the locking pin 201 engages with the locking hole 25 again, driving the turntable 24 to rotate. This allows the device to continuously adjust the angle, enabling the device to detect the situation in the site from multiple angles and in all directions without missing any corners. This improves the reliability and stability of the device, greatly enhances the timeliness of early warning, and helps to take measures in the early stages of a leakage accident, reducing the risk of the accident.

[0027] Example 2: Figures 1-5As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, base 1 includes support column 11, telescopic rod 12, shaft plate 13, pivot 14, fixed plate 15, fixed nail 16, the inner wall of support column 11 is slidably connected with the surface of connecting column one 21, the inner wall bottom of support column 11 is fixedly connected with the bottom of telescopic rod 12, the telescopic end of telescopic rod 12 is fixedly connected with the bottom of connecting column one 21, shaft plate 13 is fixedly connected on the surface of support column 11, pivot 14 is fixedly connected in the middle part of shaft plate 13, fixed plate 15 is rotatably connected on the surface of pivot 14, and fixed nail 16 is movably connected in the middle part of fixed plate 15.

[0028] In the embodiment, by rotating fixed plate 15 around pivot 14 in the middle part of shaft plate 13, fixed nail 16 is nailed into the ground and fixed, and then telescopic rod 12 is started to make telescopic rod 12 drive connecting column one 21 to slide and rise in the inner wall of support column 11, which is suitable for different installation environments and can make adjustment of detection height according to different environments, improve the convenience of the device, install the device at a suitable address, and improve the detection accuracy of the device.

[0029] Embodiment 3: as Figures 1-5 As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, detection mechanism 3 includes support block 31, support block 31 is rotatably connected to the extension end of round shaft two 26, the surface of support block 31 is fixedly connected with supporting plate one 32, the top of supporting plate one 32 is fixedly connected with detection sensor one 33, one side of detection sensor one 33 is fixedly connected with conveying pipe one 34, the top of conveying pipe one 34 is fixedly connected with alarm lamp 35, one side of support block 31 is fixedly connected with supporting plate two 301, the top of supporting plate two 301 is fixedly connected with detection sensor two 38, one side of detection sensor two 38 is fixedly connected with conveying pipe three 39, one end of conveying pipe three 39 is fixedly connected with one side of detection sensor one 33, one side of detection sensor one 33 is fixedly connected with conveying pipe two 36, the top of conveying pipe two 36 is fixedly connected with loudspeaker 37, and the top of support block 31 is fixedly connected with rain shield 302.

[0030] In the embodiment, detection sensor one 33 and detection sensor two 38 detect two different devices, alarm lamp 35 and loudspeaker 37 are started through conveying pipe one 34, conveying pipe two 36 and conveying pipe three 39 after detecting leakage, the detection accuracy is provided by complementary detection advantages, the false alarm rate is reduced, the safety level is improved, alarm lamp 35 and loudspeaker 37 are used to remind staff of the occurrence of the accident, and detection sensor one 33 and detection sensor two 38 use catalytic combustion type sensor and infrared absorption type sensor respectively.

[0031] The working principle of the natural gas station leakage early warning device will be described below.

[0032] As Figures 1-5 shown, in use, by placing the device in a suitable installation site, rotating the fixed plate 15 around the rotating shaft 14 in the middle of the shaft plate 13, nailing the fixing nails 16 into the ground, and then starting the telescopic rod 12 to make the connecting column one 21 slide up in the inner wall of the support column 11, and then submit to a suitable height, when starting detection, start the motor 29, the motor 29 drives the notch disc 28 and the disc one 27 to rotate, the clamping column 201 on the top of the disc one 27 rotates, when clamping with the clamping hole 25, it drives the rotating disc 24 to rotate, after rotating a certain angle, the clamping column 201 is separated from the clamping hole 25, after the disc one 27 rotates one circle, the clamping column 201 is clamped with the clamping hole 25 again to drive the rotating disc 24 to rotate, so that the device can adjust the angle continuously, through the detection sensor one 33 and the detection sensor two 38 to detect two different devices, when detecting leakage, through the transmission pipe one 34, the transmission pipe two 36 and the transmission pipe three 39 to start the alarm lamp 35 and the loudspeaker 37, to remind the staff.

[0033] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modification or improvement is within the scope of protection of the utility model.

Claims

1. A natural gas station leak early warning device comprising a base (1), characterized in that: The top of the base (1) is provided with a rotating mechanism (2), and the top of the rotating mechanism (2) is provided with a detection mechanism (3); The rotating mechanism (2) comprises a connecting column I (21) which is slidingly connected to the top of the base (1), and the top of the connecting column I (21) is fixedly connected with a cylinder (22), the inner wall of the cylinder (22) is rotatably connected with a round shaft I (23), the surface of the round shaft I (23) is fixedly connected with a rotating disc (24), and the surface of the rotating disc (24) is provided with a clamping hole (25).

2. The natural gas station leak warning device of claim 1, wherein: The top of the round shaft I (23) is fixedly connected with a round shaft II (26), the round shaft II (26) penetrates through the top of the cylinder (22) and extends upward, the inner wall of the cylinder (22) is rotatably connected with a disc I (27), and the top of the disc I (27) is fixedly connected with a notched disc (28).

3. The natural gas station leak warning device of claim 2, wherein: The top of the notched disc (28) is fixedly connected with a motor (29), one end of the motor (29) is fixedly connected with a connecting column II (202), the top surface of the disc I (27) is fixedly connected with a clamping column (201), the clamping column (201) is clamped with the clamping hole (25), and the top of the connecting column II (202) is fixedly connected with the inner wall of the cylinder (22).

4. The natural gas station leak warning device of claim 3, wherein: The base (1) comprises a supporting column (11), a telescopic rod (12), an axle plate (13), a rotating shaft (14), a fixed plate (15) and a fixed nail (16), the inner wall of the supporting column (11) is slidingly connected with the surface of the connecting column I (21), the inner wall bottom of the supporting column (11) is fixedly connected with the bottom of the telescopic rod (12), and the telescopic end of the telescopic rod (12) is fixedly connected with the bottom of the connecting column I (21).

5. The natural gas field station leak warning device of claim 4, wherein: The axle plate (13) is fixedly connected to the surface of the supporting column (11), the rotating shaft (14) is fixedly connected to the middle part of the axle plate (13), the fixed plate (15) is rotatably connected to the surface of the rotating shaft (14), and the fixed nail (16) is movably connected to the middle part of the fixed plate (15).

6. The natural gas field station leak warning device of claim 5, wherein: The detection mechanism (3) comprises a supporting block (31), the supporting block (31) is rotatably connected to the extended end of the round shaft II (26), the surface of the supporting block (31) is fixedly connected with a supporting plate I (32), the top of the supporting plate I (32) is fixedly connected with a detection sensor I (33), one side of the detection sensor I (33) is fixedly connected with a conveying pipe I (34), and the top of the conveying pipe I (34) is fixedly connected with an alarm lamp (35).

7. The natural gas station leak warning device of claim 6, wherein: One side of the supporting block (31) is fixedly connected with a supporting plate II (301), the top of the supporting plate II (301) is fixedly connected with a detection sensor II (38), one side of the detection sensor II (38) is fixedly connected with a conveying pipe III (39), one end of the conveying pipe III (39) is fixedly connected with one side of the detection sensor I (33), one side of the detection sensor I (33) is fixedly connected with a conveying pipe II (36), the top of the conveying pipe II (36) is fixedly connected with a loudspeaker (37), and the top of the supporting block (31) is fixedly connected with a rain shield (302).

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