Gas sampling device for environment detection and use method thereof

Abstract

The invention discloses a gas sampling device for environment detection and a using method thereof. The gas sampling device comprises a shell, and a collecting cavity is fixedly connected to the interior of the shell. Gas in the environment is conveyed into the collecting cavity through the collecting pump, after the gas enters the collecting cavity, part of the gas enters the sampling pipe, and when the top and the bottom of the sampling pipe need to be sealed, a motor drives a gear to rotate, and the gear drives a pipe plug to move towards one side close to the sampling pipe; when the sampling tube is in contact with the tube plug, the tube plug is inserted into the sampling tube, the motor is operated to rotate reversely, the motor drives the moving plate to move towards one side far away from the sampling tube, the moving plate is separated from the tube plug and the magnetic suction block, and the sampling tube completes gas collection. And the gas sampling device directly introduces the collected gas into the test tube, so that the detection steps are reduced, and the gas detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of gas sampling, and in particular to a gas sampling device for environmental detection and a use method thereof. Background Art

[0002] Air samples from different areas can be collected to analyze the content of pollutants, such as particulate matter, sulfur dioxide, nitrogen oxides, ozone, etc., so as to conduct a comprehensive assessment of air quality; this helps environmental protection departments understand the air pollution status in specific areas, formulate corresponding control measures, and protect public health; Through long-term atmospheric sampling and analysis, we can monitor the changing trends of air quality and provide data support for the formulation and adjustment of environmental policies; For waste gas emitted by industrial enterprises such as factories and power plants, the gas sampling device can collect waste gas samples and detect the concentration of harmful substances in them to ensure that the waste gas emissions of enterprises meet environmental protection standards; this helps to reduce the pollution of industrial waste gas to the atmospheric environment and protect the ecological environment; Abnormal conditions in industrial waste gas emissions, such as a sudden increase in pollutant concentrations, can be discovered in a timely manner, so that relevant departments can take timely measures to prevent environmental pollution incidents.

[0003] In the process of environmental testing, a gas sampling device is required. Traditional gas sampling devices usually collect the airflow inside a gas bin, and then carry the gas bin to the laboratory. The gas inside the gas bin is introduced into the test tube using the gas pipe in the laboratory. The above operation requires transfer, which increases the detection steps and reduces the gas detection efficiency. Summary of the invention

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a gas sampling device for environmental detection and a method of using the same, which has the advantage of rapid detection after gas sampling, and solves the problem that the gas sampling device usually collects the airflow inside a gas bin, and then carries the gas bin to the laboratory, and uses the gas pipe in the laboratory to introduce the gas inside the gas bin into the inside of the test tube. The above-mentioned operation requires transfer, which increases the detection steps and reduces the gas detection efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gas sampling device for environmental detection and a method of using the same, comprising a shell, a collecting chamber fixedly connected to the interior of the shell, an air suction hood fixedly connected to the left side of the interior of the shell, a collecting pump connected to the right side of the air suction hood via an air pipe, an output end of the collecting pump connected to an exhaust hood via an air pipe, the exhaust hood fixedly connected to the left side of the interior of the collecting chamber, a sealing plate rotatably connected to the right side of the top of the shell via a hinge, an elastic card group fixedly connected to the rear side of the inner wall of the collecting chamber, a sampling tube arranged on the inner side of the elastic card group, an exhaust tube connected to the bottom of the right side of the collecting chamber, a sealing mechanism provided on the top and bottom of the sampling tube, and a control mechanism fixedly connected to both sides of the collecting chamber.

[0006] As a preferred embodiment of the present invention, the sealing mechanism includes a gear, which is rotatably connected to both sides of the inner wall of the collecting chamber, and the front and rear sides of the gear are meshed with racks, and the side of the rack away from the gear is fixedly connected to a movable plate, and a pipe plug is provided on the inner side of the movable plate, and a magnetic block is fixedly connected to the inside of the pipe plug, and the surface of the magnetic block is adsorbed and connected to the surface of the movable plate.

[0007] As a preferred embodiment of the present invention, the control mechanism includes a motor, the motor is fixedly connected to both sides of the collecting chamber, the output end of the motor is fixedly connected to a worm, the rear side of the worm is meshed with a worm wheel, and the surface of the worm wheel is fixedly connected to the surface of the gear.

[0008] As a preferred embodiment of the present invention, a stabilizing cylinder is sleeved on the inner side of the worm wheel surface, and the inner side of the stabilizing cylinder is fixedly connected to the surface of the collecting chamber.

[0009] As a preferred embodiment of the present invention, a stabilizing sleeve is provided on the top of the worm surface, and the surface of the stabilizing sleeve is fixedly connected to the surface of the collecting chamber.

[0010] As a preferred embodiment of the present invention, a positioning sleeve is provided on the surface of the pipe plug, and the surface of the positioning sleeve is fixedly connected to the surface of the moving plate.

[0011] As a preferred embodiment of the present invention, a stabilizing frame is sleeved on the surface of the gear, and the surface of the stabilizing frame is fixedly connected to the inner wall of the collecting chamber.

[0012] As a preferred embodiment of the present invention, the front side and the rear side of the stabilizing frame are fixedly connected to limit bars, and the limit bars are slidably connected to the inside of the rack.

[0013] As preferred embodiment of the present invention, the method comprises the following steps: S1: When it is necessary to sample the gas in the environment, start the collection pump. The collection pump transports the gas in the environment to the inside of the collection chamber through the cooperation of the suction hood and the exhaust hood. When the gas enters the inside of the collection chamber, part of the gas will enter the inside of the sampling tube. When it is necessary to seal the top and bottom of the sampling tube, execute S2; S2: Start the motor, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the gear to rotate. Through the above operations, the pipe plug can be driven. When the pipe plug is inserted into the sampling tube, S3 is executed; S3: The gear drives the rack to move inward, the rack drives the top and bottom movable plates to move toward the side close to the sampling tube, the movable plate drives the tube plug to move toward the side close to the sampling tube, when the sampling tube contacts the tube plug, the tube plug is inserted into the interior of the sampling tube, the motor is operated to rotate in the opposite direction, and the movable plate is driven by the motor to move toward the side away from the sampling tube, the movable plate is separated from the tube plug and the magnetic block, and the sampling tube completes gas collection.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention transports the gas in the environment to the interior of the collection chamber through a collection pump. When the gas enters the interior of the collection chamber, part of the gas will enter the interior of the sampling tube. When the top and bottom of the sampling tube need to be sealed, the motor drives the gear to rotate, and the gear drives the tube plug to move toward the side close to the sampling tube. When the sampling tube contacts the tube plug, the tube plug is inserted into the interior of the sampling tube, and the motor is operated to rotate in the opposite direction. The motor drives the moving plate to move toward the side away from the sampling tube, and the moving plate is separated from the tube plug and the magnetic block. The sampling tube completes gas collection, and has the advantage of rapid detection after gas sampling. The gas sampling device directly introduces the collected gas into the interior of the test tube, which reduces the detection steps and improves the gas detection efficiency.

[0015] 2. The present invention can seal the sampling tube by providing a sealing mechanism, thereby preventing the sampling tube from being unable to be sealed, resulting in the inability to retain gas inside the sampling tube, and improving the use efficiency of the sampling tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 is a three-dimensional cross-sectional view of the housing of the present invention; Figure 3 A three-dimensional diagram of the suction hood of the present invention; Figure 4 A three-dimensional diagram of the elastic card set of the present invention; Figure 5 A three-dimensional diagram of a rack of the present invention; Figure 6 is a three-dimensional diagram of the gear of the present invention; Figure 7is a three-dimensional diagram of the worm gear of the present invention; Figure 8 It is a three-dimensional diagram of the magnetic block of the present invention.

[0017] In the figure: 1. outer shell; 2. collecting chamber; 3. suction hood; 4. collecting pump; 5. exhaust hood; 6. sealing plate; 7. elastic card group; 8. sampling tube; 9. exhaust pipe; 10. sealing mechanism; 101. gear; 102. rack; 103. moving plate; 104. pipe plug; 105. magnetic block; 11. control mechanism; 111. motor; 112. worm; 113. worm wheel; 12. stabilizing cylinder; 13. stabilizing sleeve; 14. positioning sleeve; 15. stabilizing frame; 16. limit strip. DETAILED DESCRIPTION

[0018] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0019] like Figures 1 to 8 As shown, a gas sampling device for environmental detection and a method of using the same provided by the present invention include a shell 1, a collecting chamber 2 is fixedly connected to the inside of the shell 1, an air suction hood 3 is fixedly connected to the left side of the inside of the shell 1, a collecting pump 4 is connected to the right side of the air suction hood 3 through an air pipe, an output end of the collecting pump 4 is connected to an exhaust hood 5 through an air pipe, the exhaust hood 5 is fixedly connected to the left side of the inside of the collecting chamber 2, a sealing plate 6 is rotatably connected to the right side of the top of the shell 1 through a hinge, an elastic card group 7 is fixedly connected to the rear side of the inner wall of the collecting chamber 2, a sampling tube 8 is arranged on the inner side of the elastic card group 7, an exhaust tube 9 is connected to the bottom of the right side of the collecting chamber 2, a sealing mechanism 10 is arranged on the top and bottom of the sampling tube 8, and a control mechanism 11 is fixedly connected to both sides of the collecting chamber 2.

[0020] refer to Figure 6 The sealing mechanism 10 includes a gear 101, which is rotatably connected to both sides of the inner wall of the collecting chamber 2. The front and rear sides of the gear 101 are meshed with racks 102. The side of the rack 102 away from the gear 101 is fixedly connected to a moving plate 103. A pipe plug 104 is provided on the inner side of the moving plate 103. A magnetic block 105 is fixedly connected to the inside of the pipe plug 104. The surface of the magnetic block 105 is adsorbed and connected to the surface of the moving plate 103.

[0021] As a technical optimization solution of the present invention, by providing a sealing mechanism 10, the sampling tube 8 can be sealed to avoid the sampling tube 8 being unable to be sealed, resulting in the inability to retain gas inside the sampling tube 8, thereby improving the use efficiency of the sampling tube 8.

[0022] refer to Figure 7 The control mechanism 11 includes a motor 111, which is fixedly connected to both sides of the collecting chamber 2. The output end of the motor 111 is fixedly connected to a worm 112, and the rear side of the worm 112 is meshed with a worm wheel 113. The surface of the worm wheel 113 is fixedly connected to the surface of the gear 101.

[0023] As a technical optimization solution of the present invention, by providing a control mechanism 11, the tube plug 104 can be driven to move, thereby preventing the tube plug 104 from being unable to move and causing the sampling tube 8 to be unable to work normally, thereby improving the working efficiency of the sampling tube 8.

[0024] refer to Figure 7 A stabilizing cylinder 12 is sleeved on the inner side of the surface of the worm wheel 113 , and the inner side of the stabilizing cylinder 12 is fixedly connected to the surface of the collecting chamber 2 .

[0025] As a technical optimization solution of the present invention, by providing a stabilizing cylinder 12, the worm wheel 113 can be stabilized in sliding, thereby preventing the worm wheel 113 from shaking during sliding movement, causing the worm wheel 113 to loosen, and improving the sliding stability of the worm wheel 113.

[0026] refer to Figure 7 A stabilizing sleeve 13 is sleeved on the top of the surface of the worm 112 , and the surface of the stabilizing sleeve 13 is fixedly connected to the surface of the collecting chamber 2 .

[0027] As a technical optimization solution of the present invention, by providing a stabilizing sleeve 13 , the worm 112 can be stabilized, thereby preventing the worm 112 from tilting during rotation, thereby improving the use stability of the worm 112 .

[0028] refer to Figure 8 A positioning sleeve 14 is sleeved on the surface of the pipe plug 104 , and the surface of the positioning sleeve 14 is fixedly connected to the surface of the moving plate 103 .

[0029] As a technical optimization solution of the present invention, by providing a positioning sleeve 14, the pipe plug 104 can be limited to prevent the pipe plug 104 from moving easily, resulting in the pipe plug 104 and the sampling tube 8 being unable to be aligned, thereby improving the working stability of the pipe plug 104.

[0030] refer to Figure 6 A stabilizing frame 15 is sleeved on the surface of the gear 101 , and the surface of the stabilizing frame 15 is fixedly connected to the inner wall of the collecting chamber 2 .

[0031] As a technical optimization solution of the present invention, by providing a stabilizing frame 15 , the gear 101 can be stabilized to avoid the gear 101 from tilting during rotation, thereby improving the use stability of the gear 101 .

[0032] refer to Figure 6 The front and rear sides of the stabilizing frame 15 are fixedly connected to the limiting strip 16 , and the limiting strip 16 is slidably connected to the inside of the rack 102 .

[0033] As a technical optimization solution of the present invention, by setting a limit bar 16, the rack 102 can be stabilized in sliding, avoiding shaking of the rack 102 during sliding movement, causing the rack 102 to loosen, and improving the sliding stability of the rack 102.

[0034] refer to Figure 2 , the method is as follows: S1: When it is necessary to sample the gas in the environment, start the collection pump 4. The collection pump 4 transports the gas in the environment to the inside of the collection chamber 2 through the cooperation of the suction hood 3 and the exhaust hood 5. When the gas enters the inside of the collection chamber 2, part of the gas will enter the inside of the sampling tube 8. When it is necessary to seal the top and bottom of the sampling tube 8, execute S2; S2: Start the motor 111, the motor 111 drives the worm 112 to rotate, the worm 112 drives the worm wheel 113 to rotate, and the worm wheel 113 drives the gear 101 to rotate. Through the above operation, the pipe plug 104 can be driven. When the pipe plug 104 is inserted into the sampling tube 8, S3 is executed; S3: The gear 101 drives the rack 102 to move inward, the rack 102 drives the top and bottom movable plates 103 to move toward the side close to the sampling tube 8, the movable plate 103 drives the tube plug 104 to move toward the side close to the sampling tube 8, when the sampling tube 8 contacts the tube plug 104, the tube plug 104 is inserted into the interior of the sampling tube 8, the motor 111 is operated to rotate in the opposite direction, and the movable plate 103 is driven by the motor 111 to move toward the side away from the sampling tube 8, the movable plate 103 is separated from the tube plug 104 and the magnetic block 105, and the sampling tube 8 completes gas collection.

[0035] The working principle and use process of the present invention are as follows: when it is necessary to sample the gas in the environment, the collection pump 4 is started, and the collection pump 4 transports the gas in the environment to the inside of the collection chamber 2 through the cooperation of the suction hood 3 and the exhaust hood 5. When the gas enters the inside of the collection chamber 2, part of the gas will enter the inside of the sampling tube 8. When it is necessary to seal the top and bottom of the sampling tube 8, the motor 111 is started, and the motor 111 drives the worm 112 to rotate, the worm 112 drives the worm wheel 113 to rotate, and the worm wheel 113 drives the gear 101 to rotate, and the gear 101 drives the rack 102 to move inward, the rack 102 drives the top and bottom movable plates 103 to move toward the side close to the sampling tube 8, the movable plate 103 drives the tube plug 104 to move toward the side close to the sampling tube 8, when the sampling tube 8 contacts the tube plug 104, the tube plug 104 is inserted into the interior of the sampling tube 8, the motor 111 is operated to rotate in the opposite direction, and the movable plate 103 is driven by the motor 111 to move toward the side away from the sampling tube 8, the movable plate 103 is separated from the tube plug 104 and the magnetic block 105, and the sampling tube 8 completes gas collection.

[0036] In summary: the gas sampling device for environmental detection and the method of using the same, through the coordinated use of the outer shell 1, the collection chamber 2, the suction hood 3, the collection pump 4, the exhaust hood 5, the sealing plate 6, the elastic card group 7, the sampling tube 8, the exhaust pipe 9, the sealing mechanism 10 and the control mechanism 11, solves the problem that the gas sampling device usually collects the airflow inside a gas bin, and then carries the gas bin to the laboratory, and uses the air pipe in the laboratory to introduce the gas inside the gas bin into the test tube. The above operation requires transfer, which increases the detection steps and reduces the gas detection efficiency.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas sampling device for environmental detection, comprising a housing (1), characterized in that: The housing (1) is fixedly connected to a collecting chamber (2), the left side of the housing (1) is fixedly connected to an air suction hood (3), the right side of the air suction hood (3) is connected to a collecting pump (4) via an air pipe, the output end of the collecting pump (4) is connected to an exhaust hood (5) via an air pipe, the exhaust hood (5) is fixedly connected to the left side of the collecting chamber (2), the right side of the top of the housing (1) is rotatably connected to a sealing plate (6) via a hinge, the rear side of the inner wall of the collecting chamber (2) is fixedly connected to an elastic card group (7), the inner side of the elastic card group (7) is provided with a sampling tube (8), the bottom of the right side of the collecting chamber (2) is connected to an exhaust pipe (9), the top and bottom of the sampling tube (8) are both provided with sealing mechanisms (10), and both sides of the collecting chamber (2) are fixedly connected to a control mechanism (11).

2. A gas sampling device for environmental detection according to claim 1, characterized in that: The sealing mechanism (10) comprises a gear (101), the gear (101) being rotatably connected to both sides of the inner wall of the collection chamber (2), the front side and the rear side of the gear (101) being meshed with racks (102), the side of the rack (102) away from the gear (101) being fixedly connected to a moving plate (103), a pipe plug (104) being provided on the inner side of the moving plate (103), a magnetic block (105) being fixedly connected to the inside of the pipe plug (104), and the surface of the magnetic block (105) being adsorbed and connected to the surface of the moving plate (103).

3. A gas sampling device for environmental detection according to claim 2, characterized in that: The control mechanism (11) comprises a motor (111), the motor (111) being fixedly connected to two sides of the collection chamber (2), the output end of the motor (111) being fixedly connected to a worm (112), the rear side of the worm (112) being meshed with a worm wheel (113), and the surface of the worm wheel (113) being fixedly connected to the surface of the gear (101).

4. A gas sampling device for environmental detection according to claim 3, characterized in that: A stabilizing cylinder (12) is sleeved on the inner side of the surface of the worm wheel (113), and the inner side of the stabilizing cylinder (12) is fixedly connected to the surface of the collecting chamber (2).

5. A gas sampling device for environmental detection according to claim 3, characterized in that: A stabilizing sleeve (13) is sleeved on the top of the surface of the worm (112), and the surface of the stabilizing sleeve (13) is fixedly connected to the surface of the collecting chamber (2).

6. A gas sampling device for environmental detection according to claim 2, characterized in that: A positioning sleeve (14) is sleeved on the surface of the pipe plug (104), and the surface of the positioning sleeve (14) is fixedly connected to the surface of the moving plate (103).

7. A gas sampling device for environmental detection according to claim 2, characterized in that: A stabilizing frame (15) is sleeved on the surface of the gear (101), and the surface of the stabilizing frame (15) is fixedly connected to the inner wall of the collecting chamber (2).

8. A gas sampling device for environmental detection according to claim 7, characterized in that: The front side and the rear side of the stabilizing frame (15) are both fixedly connected to a limit bar (16), and the limit bar (16) is slidably connected to the interior of the rack (102).

9. The method for using a gas sampling device for environmental detection according to claims 1-8, characterized in that: The method comprises the following steps: S1: When it is necessary to sample the gas in the environment, the collection pump (4) is started. The collection pump (4) transports the gas in the environment to the inside of the collection chamber (2) through the cooperation of the suction hood (3) and the exhaust hood (5). When the gas enters the inside of the collection chamber (2), part of the gas enters the inside of the sampling tube (8). When it is necessary to seal the top and bottom of the sampling tube (8), S2 is executed; S2: starting the motor (111), the motor (111) drives the worm (112) to rotate, the worm (112) drives the worm wheel (113) to rotate, and the worm wheel (113) drives the gear (101) to rotate. Through the above operation, the pipe plug (104) can be driven. When the pipe plug (104) is inserted into the interior of the sampling tube (8), S3 is executed; S3: The gear (101) drives the rack (102) to move inward, the rack (102) drives the top and bottom movable plates (103) to move toward the side close to the sampling tube (8), the movable plate (103) drives the tube plug (104) to move toward the side close to the sampling tube (8), when the sampling tube (8) contacts the tube plug (104), the tube plug (104) is inserted into the interior of the sampling tube (8), the motor (111) is operated to rotate in the opposite direction, and the movable plate (103) is driven by the motor (111) to move toward the side away from the sampling tube (8), the movable plate (103) is separated from the tube plug (104) and the magnetic block (105), and the sampling tube (8) completes gas collection.

Images