Multi-component gas collecting and analyzing device

Abstract

The utility model relates to the technical field of gas collection and analysis devices, and discloses a multi-component gas collection and analysis device which comprises a hollow storage box, a plurality of groups of gas storage cylinders are arranged in a cavity of the storage box, a gas analyzer is arranged on one side of the storage box, and the top end of the storage box is movably connected with a top cover through a hinge. A collecting assembly is arranged on the side, away from the gas analyzer, of the storage box and comprises an air cylinder, a pressing rod, a rubber block and an air port, and a flow dividing control assembly is arranged in a cavity of the storage box. The pressure rod is pulled upwards to collect gas into a cavity of the gas cylinder through the gas port, the gas in the cavity of the gas cylinder can be fed into the gas storage cylinder by pushing the pressure rod after the gas port is closed by using the plug, and after detection is finished, a worker opens the plug to discharge the gas, and a first gas pipe and a second gas pipe are arranged on the outer wall surface of the gas cylinder; one end of the first air pipe can be connected with a vacuum pump, and the cavities of the air cylinder and the air storage cylinder can be vacuumized, so that the accuracy of next detection is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of gas collection and analysis devices, in particular to a multi-component gas collection and analysis device. Background Art

[0002] The gas collection and analysis device is a commonly used instrument for detecting the quality of gas components. It usually detects the components in the gas and the content of each component by measuring and analyzing the spectra produced by different gases.

[0003] The prior art proposes a multi-component gas collection analyzer (publication number: CN209247623U), including a light transmitter, a light receiver, a detection circuit, a sampling detection chamber, an adsorption pump, a first cleaning structure, a second cleaning structure, a controller and a comparator: the light transmitter and the light receiver are arranged in the sampling detection chamber, and the adsorption pump is connected to the sampling detection chamber; the detection circuit is electrically connected to the light receiver; the light transmitter includes a light emitting surface, the first cleaning structure is in contact with the light emitting surface, and can reciprocate on the plane where the light emitting surface is located; the light receiver includes a light receiving surface, the second cleaning structure is in contact with the light receiving surface, and can reciprocate on the plane where the light receiving surface is located; the first cleaning structure and the second cleaning structure are both connected to the controller; the comparator is connected to both the light receiver and the controller.

[0004] The existing technology solves the problem that after long-term use of the multi-component gas collection and analysis device, some dust particles will adhere to the light emitting surface of the light transmitter and the light receiving surface of the light receiver, and these dust particles will reduce the detection accuracy of the components in the gas and the content of each component, thereby achieving the effect of improving the detection accuracy of the components in the gas and the content of each component. However, during the continuous detection process, part of the gas detected on the previous side may remain in the collection device, affecting the subsequent experimental data, and the existing technology needs to be improved.

[0005] Therefore, those skilled in the art provide a multi-component gas collection and analysis device to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a multi-component gas collection and analysis device.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-component gas collection and analysis device, including a storage box, which is hollow. A plurality of gas cylinders are arranged in the cavity of the storage box. A gas analyzer for analyzing the gas in the gas cylinder is arranged on one side of the storage box. The top of the storage box is movably connected with a top cover through a hinge. A collection component for collecting gas is arranged on the side of the storage box away from the gas analyzer. The collection component includes a gas cylinder, a pressure rod, a rubber block and a gas port. The gas port can be movably engaged with a plug. A diversion control component is arranged in the cavity of the storage box. The diversion control component includes a rectangular box and a control board. The control board movably passes through the rectangular box, and the cavity of the gas cylinder is connected with the cavity of the control board.

[0008] Preferably, a fixing frame is provided on the outer wall surface of the gas cylinder, the gas cylinder is fixedly connected to the storage box via the fixing frame, and the bottom end of the gas cylinder is fixedly connected to the gas port, which is arc-shaped.

[0009] Preferably, a first air pipe and a second air pipe are provided on the outer wall surface of the air cylinder, and one end of the first air pipe can be connected to a vacuum pump.

[0010] Preferably, the pressure rod movably passes through the top of the air cylinder, and one end of the pressure rod away from the air cylinder is fixedly connected to a horizontal top plate, and the pressure rod is fixedly connected to a rubber block in the cavity of the air cylinder, and the bottom end of the rubber block is a conical protrusion.

[0011] Preferably, the second air pipe flexibly passes through the gas analyzer, and a circular hole is opened in the rectangular box at a position corresponding to the second air pipe, and the second air pipe flexibly engages in the circular hole.

[0012] Preferably, the rectangular box is hollow, the control panel is a rectangular body, rubber sealing pads are adhered and fixed to the side walls of the control panel, and the control panel movably passes through the top of the rectangular box.

[0013] Preferably, a diverter plate is fixedly installed in the cavity of the rectangular box, a connecting pipe is provided between the gas storage cylinder and the gas analyzer, and an electromagnetic valve is provided on the outer wall surface of the connecting pipe.

[0014] Beneficial Effects

[0015] The utility model provides a multi-component gas collection and analysis device, which has the following beneficial effects:

[0016] (1) This multi-component gas collection and analysis device can collect the gas to be analyzed by setting a collection component. The staff can use their hands to pull up the pressure rod to collect the gas into the cavity of the gas cylinder through the gas port. By setting a diversion control component, the staff can close the gas port with a plug, and then push the pressure rod to send the gas in the gas cylinder cavity into the gas storage cylinder. After the monitoring is completed, the staff opens the plug to discharge the gas. By setting a first gas pipe and a second gas pipe on the outer wall of the gas cylinder, one end of the first gas pipe can be connected to a vacuum pump, and the cavities of the gas cylinder and the gas storage cylinder can be evacuated to ensure the accuracy of the next detection.

[0017] (2) In the multi-component gas collection and analysis device, during the collection process, the worker first closes the control panel and then lifts the pressure rod upward by hand. The pressure rod moves through the top of the gas cylinder. During the upward movement of the pressure rod, the rubber block and the top plate are driven to move synchronously, thereby completing the gas collection. By setting a second air pipe, the cavity of the gas cylinder is connected to the cavity of the rectangular box.

[0018] (3) In this multi-component gas collection and analysis device, the gas enters the cavity of the rectangular box through the circular hole. A diverter plate is arranged in the cavity of the rectangular box. The inclined surfaces on both sides of the diverter plate can guide the gas. The gas in and out of the circular hole can be controlled by raising and lowering the control plate. The operation is convenient and simple. By arranging a solenoid valve on the outer wall of the connecting pipe, the gas flow in the connecting pipe can be easily monitored. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a multi-component gas collection and analysis device of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a collection component of a multi-component gas collection and analysis device of the utility model;

[0021] Figure 3 This is a schematic diagram of the position relationship between a pressure rod and a rubber block of a multi-component gas collection and analysis device of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of a storage box of a multi-component gas collection and analysis device of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of a rectangular box of a multi-component gas collection and analysis device of the utility model;

[0024] Figure 6 The utility model is a schematic diagram of the three-dimensional structure of a diverter plate of a multi-component gas collection and analysis device.

[0025] Legend:

[0026] 10. Storage box; 11. Gas analyzer; 12. Top cover; 13. Collection component; 14. Fixing frame; 15. Gas cylinder; 16. Pressure rod; 17. First gas pipe; 18. Second gas pipe; 19. Top plate; 20. Gas port; 21. Plug; 22. Rubber block; 23. Diverter control component; 24. Gas cylinder; 25. Connecting pipe; 26. Solenoid valve; 27. Rectangular box; 28. Control board; 29. ​​Round hole; 30. Diverter plate. DETAILED DESCRIPTION

[0027] like Figure 1-6 As shown: a multi-component gas collection and analysis device, including a storage box 10, the storage box 10 is hollow, and multiple groups of gas cylinders 24 are arranged in the cavity of the storage box 10, a gas analyzer 11 for analyzing the gas in the gas cylinder 24 is arranged on one side of the storage box 10, the top of the storage box 10 is movably connected with a top cover 12 through a hinge, and a collection component 13 for collecting gas is arranged on the side of the storage box 10 away from the gas analyzer 11, the collection component 13 includes a gas cylinder 15, a pressure rod 16, a rubber block 22 and an air port 20, the air port 20 can be movably engaged with a plug 21, a diversion control component 23 is arranged in the cavity of the storage box 10, the diversion control component 23 includes a rectangular box 27 and a control board 28, the control board 28 movably penetrates the rectangular box 27, the cavity of the gas cylinder 15 is connected with the cavity of the control board 28, a first air pipe 17 and a second air pipe 18 are arranged on the outer wall of the gas cylinder 15, and one end of the first air pipe 17 can be connected to a vacuum pump. The gas analyzer 11 includes a light transmitter, a light receiver, a detection circuit, an adsorption pump, a first cleaning structure, a second cleaning structure, a controller and a comparator. The light transmitter emits light. Since different components in the gas have different absorption abilities for light of different wavelengths, a spectrum is formed on the receiver. The detection circuit can detect the components in the gas and the content of each component based on the spectrum.

[0028] Specifically, by setting up the collection component 13, the gas that needs to be analyzed can be collected. The staff pulls up the pressure rod 16 by hand to collect the gas into the cavity of the gas cylinder 15 through the gas port 20. By setting up the diversion control component 23, the staff closes the gas port 20 with the plug 21, and then pushes the pressure rod 16 to send the gas in the cavity of the gas cylinder 15 into the gas storage cylinder 24. After the monitoring is completed, the staff opens the plug 21 to discharge the gas. By setting the first air pipe 17 and the second air pipe 18 on the outer wall of the gas cylinder 15, one end of the first air pipe 17 can be connected to the vacuum pump, and the cavities of the gas cylinder 15 and the gas storage cylinder 24 can be evacuated to ensure the accuracy of the next detection.

[0029] A fixing frame 14 is provided on the outer wall surface of the gas cylinder 15 , and the gas cylinder 15 is fixedly connected to the storage box 10 via the fixing frame 14 . The bottom end of the gas cylinder 15 is fixedly connected to the gas port 20 , and the gas port 20 is arc-shaped.

[0030] Specifically, the air cylinder 15 is fixed on the storage box 10 by providing a fixing frame 14, and the air port 20 is arranged in an arc shape so as to facilitate the operation of the staff.

[0031] The pressure rod 16 movably passes through the top of the gas cylinder 15. The end of the pressure rod 16 away from the gas cylinder 15 is fixedly connected to a top plate 19 in a horizontal state. The pressure rod 16 is fixedly connected to a rubber block 22 in the cavity of the gas cylinder 15. The bottom end of the rubber block 22 is a conical protrusion. The second gas pipe 18 movably passes through the gas analyzer 11. The rectangular box 27 is provided with a circular hole 29 at a position corresponding to the second gas pipe 18. The second gas pipe 18 is movably engaged in the circular hole 29.

[0032] Specifically, during the collection process, the worker first closes the control panel 28, and then lifts the pressure rod 16 upward by hand. The pressure rod 16 moves through the top of the gas cylinder 15. During the upward movement of the pressure rod 16, the rubber block 22 and the top plate 19 are driven to move synchronously, thereby completing the collection of the gas. By setting the second air pipe 18, the cavity of the gas cylinder 15 is connected with the cavity of the rectangular box 27.

[0033] The rectangular box 27 is hollow, the control board 28 is a rectangular body, the side walls of the control board 28 are all fixed with rubber sealing pads, and the control board 28 movably passes through the top of the rectangular box 27. A diverter plate 30 is fixedly installed in the cavity of the rectangular box 27, a connecting pipe 25 is provided between the gas storage cylinder 24 and the gas analyzer 11, and a solenoid valve 26 is provided on the outer wall of the connecting pipe 25.

[0034] Specifically, the gas enters the cavity of the rectangular box 27 through the circular hole 29, and a diverter plate 30 is arranged in the cavity of the rectangular box 27. The inclined surfaces on both sides of the diverter plate 30 can guide the gas. The lifting and lowering of the control plate 28 can control the gas in and out of the circular hole 29. The operation is convenient and simple. By arranging a solenoid valve 26 on the outer wall surface of the connecting pipe 25, the gas flow in the connecting pipe 25 can be easily monitored.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A multi-component gas collection and analysis device, comprising a storage box (10), the storage box (10) being hollow, a plurality of gas storage cylinders (24) being arranged in the cavity of the storage box (10), a gas analyzer (11) for analyzing the gas in the gas storage cylinders (24) being arranged on one side of the storage box (10), characterized in that: The top of the storage box (10) is movably connected to a top cover (12) via a hinge. A collection assembly (13) for collecting gas is arranged on a side of the storage box (10) away from the gas analyzer (11). The collection assembly (13) includes a gas cylinder (15), a pressure rod (16), a rubber block (22) and a gas port (20). The gas port (20) is movably engaged with a plug (21). A flow diversion control assembly (23) is arranged in the cavity of the storage box (10). The flow diversion control assembly (23) includes a rectangular box (27) and a control board (28). The control board (28) movably penetrates the rectangular box (27). The cavity of the gas cylinder (15) is connected to the cavity of the control board (28).

2. The multi-component gas collection and analysis device according to claim 1, characterized in that: A fixing frame (14) is arranged on the outer wall surface of the gas cylinder (15), and the gas cylinder (15) is fixedly connected to the storage box (10) through the fixing frame (14). The bottom end of the gas cylinder (15) is fixedly connected to the gas port (20), and the gas port (20) is arc-shaped.

3. The multi-component gas collection and analysis device according to claim 1, characterized in that: A first air pipe (17) and a second air pipe (18) are arranged on the outer wall surface of the air cylinder (15), and one end of the first air pipe (17) can be connected to a vacuum pump.

4. The multi-component gas collection and analysis device according to claim 1, characterized in that: The pressure rod (16) movably penetrates the top end of the air cylinder (15); one end of the pressure rod (16) away from the air cylinder (15) is fixedly connected to a top plate (19) in a horizontal state; the pressure rod (16) is fixedly connected to a rubber block (22) in the cavity of the air cylinder (15); and the bottom end of the rubber block (22) is a conical protrusion.

5. The multi-component gas collection and analysis device according to claim 3, characterized in that: The second gas pipe (18) movably passes through the gas analyzer (11); the rectangular box (27) is provided with a circular hole (29) at a position corresponding to the second gas pipe (18); and the second gas pipe (18) is movably engaged in the circular hole (29).

6. The multi-component gas collection and analysis device according to claim 1, characterized in that: The rectangular box (27) is hollow, the control panel (28) is a rectangular body, and rubber sealing pads are pasted and fixed on the side wall surfaces of the control panel (28). The control panel (28) movably penetrates the top end of the rectangular box (27).

7. The multi-component gas collection and analysis device according to claim 1, characterized in that: A flow divider plate (30) is fixedly installed in the cavity of the rectangular box (27), a connecting pipe (25) is arranged between the gas storage cylinder (24) and the gas analyzer (11), and an electromagnetic valve (26) is arranged on the outer wall surface of the connecting pipe (25).

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