Gas sampling device

Abstract

The gas sampling device comprises a bottom plate, a supporting plate is fixedly connected to the right side of the top end of the bottom plate, a rotating hole is formed in one side of the supporting plate, a rotating rod is rotationally connected to the rotating hole, a power assembly is arranged at the top end of the bottom plate and located on the right side of the supporting plate, and a gas storage assembly rotates on the left side of the supporting plate. When the device is used, the universal wheels are matched with the push handle, so that the whole device is convenient to move, the rain baffle on the supporting rod is used for preventing the device from being exposed to rain and causing problems of the device, and the gas storage tank which is not collected is rotated to the lower portion through rotation of the rotary disc for gas collection. And then air collected in the air inlet chamber is pushed into the air storage tank through a piston at the output end of the electric telescopic rod, when an air pressure detector on the air storage tank detects that the pressure intensity reaches the standard, the first air valve is closed, air does not enter the air storage tank any more, and the second air valve is opened to exhaust redundant air in the air inlet chamber out of the air inlet chamber through the piston.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling devices, in particular to a gas sampling device. Background Art

[0002] Ambient gas sampling involves collecting gas samples from the atmosphere for analysis. It is primarily used to monitor air pollution, climate change, and environmental health. Passive, active, and diffusion samplers are commonly used. To ensure representative and accurate samples, appropriate sampling points, timing, and media must be selected. Safety and quality control are also crucial aspects of the sampling process.

[0003] For ambient gas sampling, the gas composition in the environment varies at different time periods, so it is necessary to sample it at multiple time periods. However, current equipment cannot sample at different time periods, and the sampling process requires real-time operation by operators, which consumes a lot of manpower and material resources and is inconvenient to operate the sample. To overcome these disadvantages, the utility model provides a gas sampling device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a gas sampling device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a gas sampling device, comprising a base plate, a support plate fixedly connected to the right side of the top of the base plate, a rotating hole is opened on one side of the support plate, a rotating rod is rotatably connected to the rotating hole, a power assembly is provided at the top of the base plate and located on the right side of the support plate, a gas storage assembly is rotated on the left side of the support plate, an electric telescopic rod is fixedly connected to the top of the base plate, a piston is fixedly connected to the output end of the electric telescopic rod, a second sealing ring is fixedly connected to the left and right sides of the piston, a gas collecting assembly is provided on the right side of the electric telescopic rod, universal wheels are fixedly connected at the four corners of the bottom end of the base plate, push handles are fixedly connected on the left and right sides of the base plate, a battery is fixedly connected to the left side of the top of the base plate, and a control panel is fixedly connected to the top of the base plate.

[0006] Furthermore, the power assembly includes a reduction motor fixedly connected to the top of the base plate and located on the right side of the support plate, the output end of the reduction motor is fixedly connected to a driving gear, one end of the rotating rod is fixedly connected to a passive gear, and the passive gear and the driving gear are driven by a chain.

[0007] Furthermore, the rotating gas storage assembly includes a turntable arranged on the left side of the support plate, a circular hole is opened in the middle of one side of the turntable, the circular hole and the rotating rod are fixedly connected, a plurality of slots are provided on the turntable, and the gas storage assembly is provided on the slots.

[0008] Furthermore, the gas storage assembly includes a gas tank arranged on the card slot, a vacuum machine is fixedly connected to one side of the gas tank, an air inlet of the vacuum machine is fixedly connected to an air inlet pipe, one end of the air inlet pipe passes through the gas tank and is located inside the gas tank, an exhaust pipe is fixedly connected to the air outlet of the vacuum machine, an air pressure detector is fixedly connected to one side of the gas tank and located on the side of the vacuum machine, a first air valve is fixedly connected to the air inlet of the gas tank, and a first sealing ring is fixedly connected to the air inlet of the first air valve.

[0009] Furthermore, the air collecting assembly includes an air intake chamber arranged on the right side of the electric telescopic rod, a support frame is fixedly connected to the top of the base plate and below the air intake chamber, the support frame and the air intake chamber are fixedly connected, a first air pipe is fixedly connected to the air inlet of the air intake chamber, a second air valve is fixedly connected to one end of the first air pipe, a third air valve is fixedly connected to the air outlet of the air intake chamber, a second air pipe is fixedly connected to one side of the third air valve, and the piston is slidably connected to the inside of the air intake chamber.

[0010] Furthermore, support rods are fixedly connected to the four corners of the top of the base plate, and rain shields are fixedly connected to the tops of the support rods.

[0011] Beneficial effects of the utility model:

[0012] When the utility model is in use, the gas sampling device is easy to move by cooperating with the universal wheel and the push handle, and the rain shield on the support rod is used to prevent the device from being exposed to rain and causing problems with the device. The uncollected gas storage tank is rotated downward by rotating the turntable to collect the gas, and then the air collected in the air intake chamber is pushed into the air storage tank by the piston on the output end of the electric telescopic rod. When the air pressure detector on the air storage tank detects that the pressure reaches the standard, the first air valve is closed and no more air is taken in, and the second air valve is opened to discharge the excess gas in the air intake chamber out of the air intake chamber through the piston. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for use in the description of the specific implementation methods. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 : A three-dimensional schematic diagram of the internal structure of the utility model;

[0015] Figure 2 : A front view of the utility model;

[0016] Figure 3 :The utility model Figure 2 A schematic diagram of the structure at center A;

[0017] Figure 4 : Schematic diagram of the structure of the rotating gas storage assembly of the utility model;

[0018] Figure 5 : Schematic diagram of the gas storage assembly structure of the present utility model.

[0019] The reference numerals are as follows:

[0020] 1. Bottom plate; 2. Universal wheel; 3. Support rod; 4. Rain shield; 5. Push handle; 6. Reducer motor; 7. Driving gear; 8. Chain; 9. Passive gear; 10. Rotating rod; 11. Support plate; 12. Turntable; 13. Round hole; 14. Slot; 15. Gas tank; 16. Vacuum machine; 17. Exhaust pipe; 18. Intake pipe; 19. Air pressure detector; 20. First air valve; 21. First sealing ring; 22. Electric telescopic rod; 23. Intake chamber; 24. Piston; 25. Second sealing ring; 27. First air pipe; 28. Second air valve; 29. ​​Third air valve; 30. Second air pipe; 31. Battery; 32. Rotating hole; 33. Control panel; 34. Support frame. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figure 1-5As shown, it relates to a gas sampling device, including a base plate 1, a support plate 11 is fixedly connected to the right side of the top of the base plate 1, a rotating hole 32 is opened on one side of the support plate 11, and a rotating rod 10 is rotatably connected to the rotating hole 32, a power component is provided at the top of the base plate 1 and on the right side of the support plate 11, a gas storage component is rotated on the left side of the support plate 11, an electric telescopic rod 22 is fixedly connected to the top of the base plate 1, a piston 24 is fixedly connected to the output end of the electric telescopic rod 22, a second sealing ring 25 is fixedly connected to the left and right sides of the piston 24, a gas collecting component is provided on the right side of the electric telescopic rod 22, universal wheels 2 are fixedly connected at the four corners of the bottom end of the base plate 1, push handles 5 are fixedly connected on the left and right sides of the base plate 1, a battery 31 is fixedly connected to the left side of the top of the base plate 1, and a control panel 33 is fixedly connected to the top of the base plate 1.

[0023] like Figure 1-5 As shown, the power assembly includes a reduction motor 6 fixedly connected to the top of the base plate 1 and located on the right side of the support plate 11. The output end of the reduction motor 6 is fixedly connected to the driving gear 7. One end of the rotating rod 10 is fixedly connected to the passive gear 9. The passive gear 9 and the driving gear 7 are transmitted through a chain 8 to provide power for the rotation of the air storage assembly.

[0024] like Figure 1-5 As shown, the rotating air storage assembly includes a turntable 12 arranged on the left side of the support plate 11, a circular hole 13 is opened in the middle of one side of the turntable 12, the circular hole 13 and the rotating rod 10 are fixedly connected, and a plurality of slots 14 are provided on the turntable 12, and the slots 14 are provided with air storage assemblies for continuously rotating the air storage assembly to collect air in different time periods.

[0025] like Figure 1-5 As shown, the gas storage assembly includes an air tank 15 arranged on the card slot 14, and a vacuum machine 16 is fixedly connected to one side of the air tank 15, and an air inlet pipe 18 is fixedly connected to the air inlet of the vacuum machine 16. One end of the air inlet pipe 18 passes through the air tank 15 and is located inside the air tank 15. An exhaust pipe 17 is fixedly connected to the air outlet of the vacuum machine 16, and an air pressure detector 19 is fixedly connected to one side of the air tank 15 and located on the side of the vacuum machine 16. A first air valve 20 is fixedly connected to the air inlet of the air tank 15, and a first sealing ring 21 is fixedly connected to the air inlet of the first air valve 20, which is used to store the collected air in the air tank 15.

[0026] like Figure 1-5As shown, the gas collecting assembly includes an air intake chamber 23 arranged on the right side of the electric telescopic rod 22, a support frame 34 is fixedly connected to the top of the base plate 1 and below the air intake chamber 23, the support frame 34 and the air intake chamber 23 are fixedly connected, a first air pipe 27 is fixedly connected to the air inlet of the air intake chamber 23, one end of the first air pipe 27 is fixedly connected to the second air valve 28, a third air valve 29 is fixedly connected to the air outlet of the air intake chamber 23, and a second air pipe 30 is fixedly connected to one side of the third air valve 29, the piston 24 is slidably connected to the inside of the air intake chamber 23, and the gas is pushed into the gas storage tank 15 through the air intake chamber 23.

[0027] like Figure 1-5 As shown, support rods 3 are fixedly connected to the four corners of the top of the base plate 1, and rain shields 4 are fixedly connected to the top of the support rods 3 to protect the device from being rained on rainy days.

[0028] Working principle: When in use, first check whether the entire device is intact, then move the device to the position where gas needs to be collected through the universal wheel 2 and the push handle 5, and then install the gas tank 15 in the slot 14 on the turntable 12. After installation, the driving gear 7 is rotated by the reduction motor 6, and the driving gear 7 is driven by the chain 8 to rotate the passive gear 9 and then drive the turntable 12 on the rotating rod 10 to rotate, so that the first sealing ring 21 and the second air pipe 30 on one of the gas tanks 15 coincide with each other, and then set the air collection at different time periods through the control panel 33, and then start the vacuum machine 16 to extract the gas in the gas tank 15. After the setting is completed, when air collection is needed, the second air valve 28 on the air inlet of the air inlet chamber 23 is opened, and the electric telescopic rod 22 drives the piston 24 The piston 24 moves backward to allow air to enter the air intake chamber 23. When the air intake chamber 23 is full of air, the first air valve 20 and the third air valve 29 are opened. Then, the electric telescopic rod 22 is used to push the piston 24 forward, and the air in the air intake chamber 23 passes through the third air valve 29, the second air pipe 30 and the first air valve 20 into the air storage tank 15 in sequence. When the air pressure in the air storage tank 15 reaches the set value through the air pressure detector 19, the first air valve 20 and the third air valve 29 are closed, the second air valve 28 is opened, and the piston 24 continues to move forward to discharge the excess gas in the air intake chamber 23. When the piston 24 reaches the top, the second air valve 28 is closed, and then the reduction motor 6 is started to rotate the turntable 12 to make the next air storage tank 15 reach the bottom and repeat the above steps to collect air in other time periods.

[0029] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gas sampling device, comprising a base plate (1), characterized in that: The right side of the top of the base plate (1) is fixedly connected to a support plate (11), a rotating hole (32) is provided on one side of the support plate (11), and a rotating rod (10) is rotatably connected to the rotating hole (32). A power assembly is provided at the top of the base plate (1) and located on the right side of the support plate (11). A rotating gas storage assembly is provided on the left side of the support plate (11). The top of the base plate (1) is fixedly connected to an electric telescopic rod (22), an output end of the electric telescopic rod (22) is fixedly connected to a piston (24), and the left and right sides of the piston (24) are fixedly connected to a second sealing ring (25). A gas collecting assembly is provided on the right side of the electric telescopic rod (22). Universal wheels (2) are fixedly connected to the four corners of the bottom end of the base plate (1), and push handles (5) are fixedly connected to the left and right sides of the base plate (1). A battery (31) is fixedly connected to the left side of the top of the base plate (1), and a control panel (33) is fixedly connected to the top of the base plate (1).

2. A gas sampling device according to claim 1, characterized in that: The power assembly comprises a reduction motor (6) fixedly connected to the top of the base plate (1) and located on the right side of the support plate (11); an output end of the reduction motor (6) is fixedly connected to a driving gear (7); one end of the rotating rod (10) is fixedly connected to a passive gear (9); and a chain (8) is used to transmit power between the passive gear (9) and the driving gear (7).

3. A gas sampling device according to claim 1, characterized in that: The rotating gas storage assembly comprises a rotating disk (12) arranged on the left side of the support plate (11); a circular hole (13) is provided in the middle of one side of the rotating disk (12); the circular hole (13) and the rotating rod (10) are fixedly connected; a plurality of slots (14) are provided on the rotating disk (12); and the gas storage assembly is provided on the slots (14).

4. A gas sampling device according to claim 3, characterized in that: The gas storage assembly includes a gas storage tank (15) arranged on the card slot (14), a vacuum machine (16) is fixedly connected to one side of the gas storage tank (15), an air inlet of the vacuum machine (16) is fixedly connected to an air inlet pipe (18), one end of the air inlet pipe (18) passes through the gas storage tank (15) and is located inside the gas storage tank (15), an exhaust pipe (17) is fixedly connected to the air outlet of the vacuum machine (16), a pressure detector (19) is fixedly connected to one side of the gas storage tank (15) and located on the side of the vacuum machine (16), a first air valve (20) is fixedly connected to the air inlet of the gas storage tank (15), and a first sealing ring (21) is fixedly connected to the air inlet of the first air valve (20).

5. A gas sampling device according to claim 1, characterized in that: The air collecting assembly comprises an air inlet chamber (23) arranged on the right side of the electric telescopic rod (22); a support frame (34) is fixedly connected to the top of the base plate (1) and located below the air inlet chamber (23); the support frame (34) and the air inlet chamber (23) are fixedly connected; a first air pipe (27) is fixedly connected to the air inlet of the air inlet chamber (23); one end of the first air pipe (27) is fixedly connected to the second air valve (28); a third air valve (29) is fixedly connected to the air outlet of the air inlet chamber (23); one side of the third air valve (29) is fixedly connected to the second air pipe (30); and the piston (24) and the interior of the air inlet chamber (23) are slidably connected.

6. A gas sampling device according to claim 1, characterized in that: The four corners of the top end of the bottom plate (1) are fixedly connected to support rods (3), and the top end of the support rods (3) is fixedly connected to a rain shield (4).

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