Sampling analysis device for gases with different concentrations

Abstract

The utility model relates to the technical field of gas analysis, in particular to a sampling and analyzing device for gases with different concentrations, which can move, is convenient to use, widens the application range and can be used for sampling gases with different heights. Comprising a base and an analyzer located at the top end of the base. The analyzer further comprises four vertical rods, a supporting plate, fixing assemblies, a moving mechanism, a collecting mechanism and a height adjusting assembly, the four vertical rods are fixedly installed at the four corners of the top end of the base, the supporting plate is fixedly installed outside the four vertical rods, the moving mechanism is installed at the bottom end of the base, and the fixing assemblies are installed at the left end and the right end of the base to limit the analyzer; the collecting mechanism is installed on the outer wall of the vertical rod above the supporting plate, the height adjusting assembly is installed above the collecting mechanism, and the input end of the collecting mechanism is installed on the height adjusting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of gas analysis, in particular to a sampling and analysis device for gases of different concentrations. Background Art

[0002] With the gradual acceleration of the process of urban industrialization, the air quality in cities is declining. People who often watch weather forecasts can observe that the weather forecast has begun to report the air quality level of the city, which shows that the air quality problem has received widespread attention from people. The air quality condition requires the use of a gas detection device to detect and analyze the air. When analyzing the gas components, it is necessary to use a gas analyzer to analyze them. Prior art announcement number CN216349839U proposes a multifunctional sampling and analysis device suitable for gases of different concentrations, including a main body bracket, a gas analysis mechanism and a residual gas cleaning mechanism, the gas analysis mechanism is fixedly mounted on the main body bracket, the residual gas cleaning mechanism is mounted on the main body bracket, and the residual gas cleaning mechanism is connected to the gas analysis mechanism; the residual gas cleaning mechanism includes a filter cartridge, an air suction valve, a filter plate, an adapter, an exhaust pipe, an air suction pump and an exhaust nozzle, the filter cartridge is fixedly mounted on the main body bracket, the filter cartridge is connected and fixedly mounted with an air suction valve, the air suction valve is connected to the residual gas cleaning mechanism, the filter cartridge is vertically fixedly mounted with a filter plate inside, and the adapter is connected and fixedly mounted on the filter cartridge. However, it is not convenient to sample gases at different heights, is not convenient to move, and has great limitations in use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a sampling and analysis device for gases of different concentrations, which is movable, convenient to use, has a wider range of use, and can sample gases at different heights.

[0004] The utility model discloses a sampling and analyzing device for gases of different concentrations, comprising a base and an analyzer, wherein the analyzer is located at the top of the base; the utility model also comprises four uprights, a support plate, a fixing assembly, a moving mechanism, a collecting mechanism and a height adjustment assembly, wherein the four uprights are fixedly installed at the four corners of the top of the base, the support plates are fixedly installed outside the four uprights, the moving mechanism is installed at the bottom of the base, the fixing assembly is installed at the left and right ends of the base to limit the position of the analyzer, the collecting mechanism is installed on the outer wall of the uprights above the support plate, the height adjustment assembly is installed above the collecting mechanism, and the input end of the collecting mechanism is installed on the height adjustment assembly; the moving mechanism can drive the device to move, which is convenient for use and improves the scope of use; the fixing assembly can fix the analyzer to avoid deviation when the device moves, resulting in falling, and is convenient for removal and maintenance; the collecting mechanism collects the gas, and the height adjustment assembly can sample gas at different heights, which is convenient for use.

[0005] Preferably, the fixing assembly includes two inverted Z-shaped fixing plates and two sets of fixing screws, the two inverted Z-shaped fixing plates are installed on the top of the base, the lower part of the inverted Z-shaped fixing plates is screwed with two fixing screws, and the left and right side walls of the base are provided with threads that cooperate with the fixing screws; the inverted Z-shaped fixing plates are placed on the left and right ends of the top of the base, and the fixing screws are screwed onto the inner threads to fix the inverted Z-shaped fixing plates. The upper part of the inverted Z-shaped fixing plates limits and fixes the left and right ends of the analyzer to avoid displacement when the equipment is moved, which may cause it to fall, and is convenient for removal for maintenance.

[0006] Preferably, the mobile mechanism includes multiple mobile legs, multiple mobile boxes and multiple mobile wheels. The multiple mobile legs are fixedly mounted at the four corners of the bottom end of the base, respectively. The bottom end of the mobile legs is movably mounted with a mobile box, and the inside of the mobile box is rotatably mounted with mobile wheels. The equipment can be moved by the mobile box and the mobile wheels, which is convenient to use and increases the scope of use. The mobile box is movably connected to the mobile legs to reduce the turning radius and improve the flexibility of the equipment.

[0007] Preferably, the collecting mechanism includes two cross beams, two connecting plates, a disc, multiple gas collecting tanks, multiple air inlet valves, a gas collecting cylinder, multiple air outlet cylinders, an air outlet valve and an air suction pump. The two cross beams are respectively fixedly mounted on the tops of the left and right end vertical poles, the middle of the cross beams is fixedly connected with a connecting plate, a disc is fixedly mounted between the two connecting plates, multiple gas collecting tanks are evenly mounted on the disc, the input end of the gas collecting tank is connected to the air inlet valve, the input end of the air inlet valve is connected to the gas collecting cylinder, the output end of the gas collecting tank is connected to the input end of the air outlet valve, and the air outlet valve is connected to the output end of the gas collecting tank. The output end of the valve is connected to the air outlet cylinder, and the output end of the air outlet cylinder is connected to the analyzer through the detection tube. The suction pump is fixedly installed on the top right part of the support plate, and the input end of the suction pump is connected to the inside of the air outlet cylinder; the suction pump is started, and one of the air outlet valves and the corresponding air inlet valve are opened to allow the gas to be input into the gas collecting tank through the gas collecting cylinder to collect the gas. During detection, the suction pump and the air inlet valve are closed to allow the gas to be input into the analyzer through the detection tube, and gases of different concentrations are collected through multiple gas collecting tanks for easy analysis.

[0008] Preferably, it also includes an air filter, which is fixedly installed on the left top end of the support plate, and the input end of the air filter is connected to the output end of the suction pump; after the gas detection is completed, all the outlet valves are closed, and the residual gas in the analyzer and the detection tube is extracted by the suction pump, and the gas is filtered and purified by the air filter to avoid residual gas from being retained in the analyzer and affecting the accuracy of the next gas analysis operation, thereby improving practicality of use.

[0009] Preferably, the height adjustment assembly includes two electric telescopic rods, a gas collecting hose, a sampling head, a screen and a mounting plate. The output end of the electric telescopic rod is connected to the inside of the gas collecting cylinder. The two electric telescopic rods are fixedly installed on the top of the gas collecting cylinder. The input end of the gas collecting hose is connected to the sampling head. A screen is installed on the outside of the sampling head. The bottom of the sampling head is connected to the top of the electric telescopic rod through two mounting plates. The gas is input into the gas collecting cylinder through the sampling head and the gas collecting hose. The electric telescopic rod is started to drive the sampling head to rise and fall through the mounting plate, so that gas at different heights can be sampled. The sampling head can be protected by the screen to avoid blockage caused by large impurities.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the device can be moved by the moving mechanism, which is convenient to use and increases the scope of use; the analyzer can be fixed by the fixing component to avoid displacement when the device is moved, which may cause it to fall, and it is easy to remove for maintenance; the gas can be collected by the collecting mechanism, and the height adjustment component can sample the gas at different heights, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a front structural schematic diagram of the utility model;

[0013] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0014] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a schematic diagram of the lower three-dimensional structure of the utility model;

[0016] Markings in the attached drawings: 1. base; 2. analyzer; 3. vertical pole; 4. support plate; 5. inverted Z-shaped fixing plate; 6. fixing screws; 7. movable legs; 8. movable box; 9. movable wheels; 10. crossbeam; 11. connecting plate; 12. disc; 13. gas collecting tank; 14. air inlet valve; 15. gas collecting cylinder; 16. air outlet cylinder; 17. air outlet valve; 18. suction pump; 19. air filter; 20. electric telescopic rod; 21. gas collecting hose; 22. sampling head; 23. sieve; 24. mounting plate. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the analyzer 2 is located at the top of the base 1, four vertical poles 3 are fixedly installed at the four corners of the top of the base 1, and a support plate 4 is fixedly installed on the outside of the four vertical poles 3. Two inverted Z-shaped fixing plates 5 are installed on the top of the base 1. Two fixing screws 6 are screwed on the lower part of the inverted Z-shaped fixing plates 5. Threads that match the fixing screws 6 are opened on the left and right side walls of the base 1. A plurality of movable legs 7 are respectively fixedly installed at the four corners of the bottom of the base 1. A movable box 8 is movably installed at the bottom of the movable leg 7. A movable wheel 9 is rotatably installed inside the movable box 8. Two crossbeams 10 are respectively fixedly installed on the left and right vertical poles. At the top of the rod 3, a connecting plate 11 is fixedly connected to the middle of the crossbeam 10, a disc 12 is fixedly installed between the two connecting plates 11, and a plurality of gas collecting tanks 13 are evenly installed on the disc 12. The input end of the gas collecting tank 13 is connected to an air inlet valve 14, and the input end of the air inlet valve 14 is connected to a gas collecting cylinder 15. The output end of the gas collecting tank 13 is connected to the input end of an air outlet valve 17, and the output end of the air outlet valve 17 is connected to an air outlet cylinder 16. The output end of the air outlet cylinder 16 is connected to the analyzer 2 through a detection tube. An air suction pump 18 is fixedly installed on the right part of the top end of the support plate 4, and the input end of the air suction pump 18 is connected to the inside of the air outlet cylinder 16.

[0019] The equipment can be moved by the moving box 8 and the moving wheels 9, which is convenient for use and improves the scope of use. The moving box 8 is movably connected with the moving legs 7 to reduce the turning radius and improve the flexibility of the equipment. The inverted Z-shaped fixing plate 5 is placed on the left and right ends of the top of the base 1, and the fixing screws 6 are screwed onto the inner threads to fix the inverted Z-shaped fixing plate 5. The upper part of the inverted Z-shaped fixing plate 5 limits and fixes the left and right ends of the analyzer 2 to avoid deviation when the equipment is moved, resulting in falling, and is convenient for removal and maintenance. Start the suction pump 18, open one of the outlet valves 17 and the corresponding inlet valve 14, so that the gas is input into the gas collecting tank 13 through the gas collecting cylinder 15 to collect the gas. During detection, close the suction pump 18 and the inlet valve 14, so that the gas is input into the analyzer 2 through the detection tube, and different concentrations of gases are collected through multiple gas collecting tanks 13 for easy analysis.

[0020] like Figure 3 and Figure 5As shown, the air filter 19 is fixedly mounted on the left top of the support plate 4, the input end of the air filter 19 is connected to the output end of the air suction pump 18, the output end of the electric telescopic rod 20 is connected to the inside of the gas collecting cylinder 15, the two electric telescopic rods 20 are fixedly mounted on the top of the gas collecting cylinder 15, the input end of the gas collecting hose 21 is connected to the sampling head 22, the outside of the sampling head 22 is installed with a screen 23, and the bottom of the sampling head 22 is connected to the top of the electric telescopic rod 20 through two mounting plates 24;

[0021] The gas is input into the gas collecting cylinder 15 through the sampling head 22 and the gas collecting hose 21. The electric telescopic rod 20 is started to drive the sampling head 22 to rise and fall through the mounting plate 24, so that gas at different heights can be sampled. The sampling head 22 can be protected by the screen 23 to avoid blockage caused by large impurities. After the gas detection is completed, the outlet valve 17 is completely closed, and the residual gas in the analyzer 2 and the detection tube is extracted by the suction pump 18. The gas is filtered and purified by the air filter 19 to avoid residual gas from being retained in the analyzer 2 and affecting the accuracy of the next gas analysis operation, thereby improving practicality of use.

[0022] like Figures 1 to 5 As shown, the utility model is a sampling and analyzing device for gases of different concentrations. When working, the device is moved by the moving box 8 and the moving wheel 9, the inverted Z-shaped fixing plate 5 is placed on the left and right ends of the top of the base 1, the fixing screws 6 are screwed onto the inner threads, the inverted Z-shaped fixing plate 5 is fixed, and the upper part of the inverted Z-shaped fixing plate 5 limits and fixes the left and right ends of the analyzer 2, the suction pump 18 is started, one of the outlet valves 17 and the corresponding inlet valve 14 are opened, and the gas is input into the gas collecting cylinder 15 through the sampling head 22 and the gas collecting hose 21, and the electric telescopic rod 20 is started to drive the sampling head 22 to rise and fall through the mounting plate 24, so that different heights can be sampled. The gas is sampled, and the sampling head 22 can be protected by the screen 23 to avoid blockage caused by large impurities. The gas is input into the gas collecting tank 13 through the gas collecting cylinder 15 to collect the gas. The gas of different concentrations is collected by multiple gas collecting tanks 13. During detection, the suction pump 18 and the air inlet valve 14 are closed to input the gas into the analyzer 2 through the detection tube. After the gas detection is completed, the outlet valve 17 is completely closed, and the residual gas in the analyzer 2 and the detection tube is extracted by the suction pump 18. The gas is filtered and purified by the air filter 19 to avoid residual gas from being retained in the analyzer 2 and affecting the accuracy of the next gas analysis operation.

[0023] The suction pump 18 and the air filter 19 of the sampling and analyzing device for gases of different concentrations of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sampling and analysis device for gases of different concentrations, comprising a base (1) and an analyzer (2), wherein the analyzer (2) is located at the top of the base (1); characterized in that: The apparatus further comprises four upright poles (3), a support plate (4), a fixing assembly, a moving mechanism, a collecting mechanism and a height adjustment assembly. The four upright poles (3) are fixedly mounted at the four corners of the top end of the base (1). The outside of the four upright poles (3) is fixedly mounted with a supporting plate (4). The moving mechanism is mounted at the bottom end of the base (1). The fixing assembly is mounted at the left and right ends of the base (1) to limit the position of the analyzer (2). The collecting mechanism is mounted on the outer wall of the upright pole (3) above the support plate (4). The height adjustment assembly is mounted above the collecting mechanism, and the input end of the collecting mechanism is mounted on the height adjustment assembly.

2. A sampling and analysis device for gases of different concentrations as claimed in claim 1, characterized in that: The fixing assembly comprises two inverted Z-shaped fixing plates (5) and two sets of fixing screws (6). The two inverted Z-shaped fixing plates (5) are mounted on the top of the base (1). The lower part of the inverted Z-shaped fixing plates (5) is screwed with two fixing screws (6). The left and right side walls of the base (1) are provided with threads that match the fixing screws (6).

3. A sampling and analysis device for gases of different concentrations as claimed in claim 1, characterized in that: The moving mechanism comprises a plurality of moving legs (7), a plurality of moving boxes (8) and a plurality of moving wheels (9); the plurality of moving legs (7) are respectively fixedly mounted at the four corners of the bottom end of the base (1); the bottom end of the moving legs (7) is movably mounted with a moving box (8); and the inside of the moving box (8) is rotatably mounted with a moving wheel (9).

4. A sampling and analysis device for gases of different concentrations as claimed in claim 1, characterized in that: The collecting mechanism comprises two cross beams (10), two connecting plates (11), a disc (12), a plurality of gas collecting tanks (13), a plurality of gas inlet valves (14), a gas collecting cylinder (15), a plurality of gas outlet cylinders (16), a gas outlet valve (17) and a suction pump (18). The two cross beams (10) are respectively fixedly mounted on the tops of the left and right end vertical poles (3). The middle of the cross beam (10) is fixedly connected with a connecting plate (11). A disc (12) is fixedly mounted between the two connecting plates (11). A plurality of gas collecting cylinders (13) are evenly mounted on the disc (12). A gas collecting tank (13) is provided, wherein the input end of the gas collecting tank (13) is connected to an air inlet valve (14), the input end of the air inlet valve (14) is connected to a gas collecting cylinder (15), the output end of the gas collecting tank (13) is connected to the input end of an air outlet valve (17), the output end of the air outlet valve (17) is connected to an air outlet cylinder (16), the output end of the air outlet cylinder (16) is connected to an analyzer (2) via a detection tube, and an air suction pump (18) is fixedly mounted on the top right portion of the support plate (4), and the input end of the air suction pump (18) is communicated with the inside of the air outlet cylinder (16).

5. A sampling and analysis device for gases of different concentrations as claimed in claim 4, characterized in that: It also includes an air filter (19), which is fixedly mounted on the left top end of the support plate (4), and the input end of the air filter (19) is connected to the output end of the suction pump (18).

6. A sampling and analysis device for gases of different concentrations as claimed in claim 4, characterized in that: The height adjustment assembly comprises two electric telescopic rods (20), a gas collecting hose (21), a sampling head (22), a screen (23) and a mounting plate (24); the output end of the electric telescopic rod (20) is connected to the inside of the gas collecting cylinder (15); the two electric telescopic rods (20) are fixedly mounted on the top of the gas collecting cylinder (15); the input end of the gas collecting hose (21) is connected to the sampling head (22); the outside of the sampling head (22) is mounted with a screen (23); and the bottom of the sampling head (22) is connected to the top of the electric telescopic rod (20) via two mounting plates (24).

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