Toxic and harmful gas detection and collection mechanism

Abstract

The utility model discloses a poisonous and harmful gas detecting and collecting mechanism which comprises a movable cart, supporting pipes are fixedly installed on the two sides of the movable cart, the middle of the upper end of each supporting pipe is rotationally connected with an adjusting screw rod in a penetrating mode through a rotating shaft, and the outer curved surface of the lower end of each adjusting screw rod is in threaded connection with a supporting column. Supporting legs are fixedly installed at the bottoms of the supporting columns, and a power control cabinet is fixedly installed in the middle of the lower end of the movable trolley. A main electric telescopic rod and a detection collection box are fixedly installed on the front side and the rear side of the upper end face of the movable trolley correspondingly, an extension pipe is fixedly installed on the telescopic part of the upper top end of the main electric telescopic rod, and the front end of the extension pipe fixedly communicates with a collection opening used for collecting poisonous and harmful gas. The middle of the top end of the detection collection box fixedly communicates with an air inlet pipe, and an integrated detection plate is fixedly mounted in the middle of the upper end of the detection collection box. According to the utility model, toxic and harmful gases can be conveniently detected and collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental monitoring technical field, concretely is a kind of toxic and harmful gas detection collection mechanism. BACKGROUND

[0002] Environmental monitoring is an important part of environmental protection work, which involves the determination and interpretation of various factors affecting environmental quality. In detail, environmental monitoring is the use of physical, chemical, biological and other modern scientific and technological methods to continuously monitor and measure environmental chemical pollutants, physical and biological pollution and other factors on site, and to evaluate the changing trend of environmental quality and the degree of pollution by comprehensively analyzing the large amount of data obtained.

[0003] The role of environmental monitoring mainly reflects in the following aspects: timely discovery of problems: through regular or irregular environmental monitoring, problems existing in environmental quality and pollution source emissions can be found in time, such as over-standard emission of pollutants and deterioration of environmental quality. Formulate and adjust environmental protection policy: environmental monitoring data are important basis for formulating and adjusting environmental protection policy. Through the analysis of monitoring data, the current situation and development trend of environmental quality can be understood, so that more scientific and reasonable environmental protection policy can be formulated. Evaluate the effect of environmental protection measures: environmental monitoring can also be used to evaluate the effect of environmental protection measures. By comparing the monitoring data before and after the implementation of environmental protection measures, it can be known whether the measures are effective and whether further adjustment and optimization are needed. Protect public health: environmental monitoring is also helpful to protect public health. By monitoring the concentration of harmful substances in the environment, factors that may threaten public health can be found in time, and corresponding measures can be taken to prevent and control.

[0004] However, in actual use, the leakage or emission of toxic and harmful gases in many fields such as industrial production, chemical experiment and environmental engineering seriously threatens human life safety and ecological environment. Most of the traditional methods rely on manual carrying of detection instrument for inspection, but when manually carrying the detection instrument for inspection, the size of the detection instrument is different, which leads to inconvenience in carrying, so that in the detection process, not only the efficiency is low, but also effective treatment is difficult to achieve. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of toxic and harmful gas detection collection mechanism to solve the leakage or emission of toxic and harmful gases in many fields such as industrial production, chemical experiment and environmental engineering seriously threatens human life safety and ecological environment. Most of the traditional methods rely on manual carrying of detection instrument for inspection, but when manually carrying the detection instrument for inspection, the size of the detection instrument is different, which leads to inconvenience in carrying, so that in the detection process, not only the efficiency is low, but also effective treatment is difficult to achieve.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: including mobile trolley, both sides of mobile trolley are fixedly installed with support pipe, the middle part of support pipe upper end is rotatably connected with adjusting screw through the rotation shaft, the outer curved surface thread of adjusting screw lower end is connected with support column, the bottom of support column is fixedly installed with support leg, the middle part of mobile trolley lower end is fixedly installed with power control cabinet,

[0007] The front and rear sides of the upper end surface of the mobile trolley are respectively fixedly installed with a main electric telescopic rod and a detection and collection box, the upper telescopic part of the main electric telescopic rod is fixedly installed with an extension pipe, the front end of the extension pipe is fixedly connected with a collection port for collecting toxic and harmful gases, the upper end middle part of the detection and collection box is fixedly connected with an air inlet pipe, the upper end of the integrated detection plate is fixedly installed with detection sensors for detecting the gas, the middle part of the detection and collection box is fixedly installed with a sealed straight chute, the inner wall of the sealed straight chute is movably connected with a filter element for filtering and purifying the toxic and harmful gases, the outer side wall of the detection and collection box is fixedly installed with a replacement port, the outer side of the replacement port is hingedly installed with a sealing door, the lower end inner wall of the detection and collection box is fixedly installed with a mounting plate, the middle part of the mounting plate is fixedly installed with an exhaust fan, the lower end side wall of the detection and collection box is fixedly installed with an exhaust pipe, the middle part of the exhaust pipe is rotatably connected with a valve stem through a rotation shaft, the middle part of the valve stem is fixedly installed with a valve plate for adjusting or closing the inner wall of the exhaust pipe, the outer side of the valve stem is fixedly installed with a connecting rod, and the outer side wall of the detection and collection box is rotatably connected with a secondary electric telescopic rod through a pin shaft support.

[0008] Preferably, the number of support pipes is four, and every two support pipes form a group, and the two groups of support pipes are symmetrically distributed on the two sides of the mobile trolley.

[0009] Preferably, the upper end of the adjusting screw is fixedly installed with a steering handle for rotating the adjusting screw, the upper end of the support column is movably connected to the inner wall of the support pipe, and the inside of the power control cabinet is fixedly installed with a mobile power supply.

[0010] Preferably, the air inlet pipe is communicated with the rear end opening of the extension pipe through a connecting hose, and a one-way valve is installed in the air inlet pipe.

[0011] Preferably, the end surface of the integrated detection plate is provided with a flow-through hole for the downward flow of the gas, and the detection sensors include but are not limited to electrochemical sensors, infrared absorption sensors and photoionization detectors.

[0012] Preferably, the side end of the sealed straight chute penetrates to the outer side wall of the detection and collection box, the filter element includes but is not limited to activated carbon filter elements, molecular sieve filter elements and chemical adsorption filter elements, and the replacement port is communicated with the sealed straight chute.

[0013] Preferably, the lower end of the auxiliary electric telescopic rod is outwardly inclined, and the telescopic part of the lower end of the auxiliary electric telescopic rod is connected to the outer end of the connecting rod through a pin shaft.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、the utility model discloses when the exhaust fan is opened, will the gas in the detection collection box be discharged outward through the exhaust pipe, when the gas in the detection collection box is discharged outward, the inside of the detection collection box will produce negative pressure, when the inside of the detection collection box produces negative pressure, the outside gas is inhaled and collected to the inside of the detection collection box through the air inlet pipe, extension pipe and collection port, when the outside gas is inhaled and collected to the inside of the detection collection box, the gas inhaled and collected to the inside of the detection collection box is detected through the detection sensor, and the toxic and harmful gas is filtered and purified through the filter element, and when the auxiliary electric telescopic rod is opened, the valve rod is driven to rotate through the connecting rod, the valve plate is swung when the valve rod rotates, and the air volume of the exhaust pipe is adjusted or closed, so that the pressure in the detection collection box is maintained or closed, and gas leakage is prevented, so that the toxic and harmful gas is conveniently detected and collected.

[0016] 2、the utility model discloses still through the control opening main electric telescopic rod, when the main electric telescopic rod is opened, the extension pipe is driven to move up and down, and the collection port is adjusted in height up and down when the extension pipe moves up and down, so that the toxic and harmful gas of different heights is conveniently detected and collected, when the filter element needs to be replaced, the sealing door is opened, and the filter element is taken out from the sealing straight sliding groove inner wall through the replacement opening when the sealing door is opened, so that the toxic and harmful gas is detected and collected, and the filter element is conveniently replaced, so that different types of filter elements can be replaced according to different toxic and harmful gases, and efficient adsorption and purification are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of the utility model discloses a kind of toxic and harmful gas detection collection mechanism Figure 1 ;

[0018] Figure 2 It is a whole structure schematic diagram of the utility model discloses a kind of toxic and harmful gas detection collection mechanism Figure 2 ;

[0019] Figure 3 It is a whole structure sectional view schematic diagram of the utility model discloses a kind of toxic and harmful gas detection collection mechanism.

[0020] In the figure: 1, mobile trolley; 2, support pipe; 3, adjusting screw; 4, support column; 5, support foot; 6, power control cabinet; 7, main electric telescopic rod; 8, detection collection box; 9, extension pipe; 10, collection port; 11, air inlet pipe; 12, integrated detection plate; 13, detection sensor; 14, sealing straight sliding groove; 15, filter element; 16, replacement port; 17, sealing door; 18, mounting plate; 19, exhaust fan; 20, exhaust pipe; 21, valve rod; 22, valve plate; 23, connecting rod; 24, auxiliary electric telescopic rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-3 The utility model provides a kind of toxic and harmful gas detection collection mechanism technical scheme: including mobile trolley 1, mobile trolley 1 both sides are fixedly installed with support pipe 2, and support pipe 2 quantity has four, every two support pipe 2 is a group, and two groups of support pipe 2 are respectively distributed with both sides of mobile trolley 1 symmetry, support pipe 2 upper end middle part is connected with adjusting screw 3 by rotating shaft penetration rotation, and adjusting screw 3 upper end is fixedly installed with the handle for rotating adjusting screw 3, adjusting screw 3 lower end outer curved surface thread is connected with support column 4, and support column 4 upper end is connected in support pipe 2 inner wall with congruence, support column 4 bottom is fixedly installed with support foot 5, mobile trolley 1 lower end middle part is fixedly installed with power control cabinet 6, and power control cabinet 6 inside is fixedly installed with portable power supply;

[0023] The front and rear sides of the upper end face of the mobile trolley 1 are respectively fixedly installed with a main electric telescopic rod 7 and a detection and collection box 8, the upper end telescopic part of the main electric telescopic rod 7 is fixedly installed with an extension pipe 9, the front end of the extension pipe 9 is fixedly communicated with a collection port 10 for collecting toxic and harmful gases, the upper end middle part of the detection and collection box 8 is fixedly communicated with an air inlet pipe 11, and the air inlet pipe 11 is communicated with the rear end opening of the extension pipe 9 through a connecting hose, a one-way valve is installed inside the air inlet pipe 11, an integrated detection plate 12 is fixedly installed on the upper end middle part of the detection and collection box 8, and a flow-through hole for the downward flow of gas is formed in the end face of the integrated detection plate 12, detection sensors 13 for detecting gas are fixedly installed on the upper end of the integrated detection plate 12, and the detection sensors 13 include but are not limited to electrochemical sensors, infrared absorption sensors and photoionization detectors, so that a wide range of toxic and harmful gas types can be detected and covered through the electrochemical sensors, infrared absorption sensors and photoionization detectors, a sealed straight sliding groove 14 is fixedly installed in the middle part of the detection and collection box 8, and the side end of the sealed straight sliding groove 14 penetrates outward to the outer side wall of the detection and collection box 8, a filter element 15 for filtering and purifying toxic and harmful gases is movably connected to the inner wall of the sealed straight sliding groove 14, and the filter element 15 includes but is not limited to activated carbon filter elements, molecular sieve filter elements and chemical adsorption filter elements, a replacement opening 16 is fixedly installed on the outer side wall of the detection and collection box 8 and is communicated with the sealed straight sliding groove 14, a sealing door 17 is hingedly installed on the outside of the replacement opening 16, an installation plate 18 is fixedly installed on the lower end inner wall of the detection and collection box 8, an exhaust fan 19 is fixedly installed in the middle part of the installation plate 18, an exhaust pipe 20 is fixedly installed in the lower end side wall of the detection and collection box 8, a valve rod 21 is rotatably connected to the middle part of the exhaust pipe 20 through a rotating shaft, a valve plate 22 for adjusting or closing the inner wall of the exhaust pipe 20 is fixedly installed in the middle part of the valve rod 21, a connecting rod 23 is fixedly installed on the outer side of the valve rod 21, a secondary electric telescopic rod 24 is rotatably connected to the outer end of the connecting rod 23 through a pin shaft and is supported and rotated on the outer side wall of the detection and collection box 8, the lower end of the secondary electric telescopic rod 24 is outwardly inclined, and the lower end telescopic part of the secondary electric telescopic rod 24 is rotatably connected to the outer end of the connecting rod 23 through a pin shaft.

[0024] Working principle: in use, the utility model moves the detection and collection box 8 to the place where toxic and harmful gases need to be detected and collected through the mobile trolley 1, when the detection and collection box 8 moves to the place where toxic and harmful gases need to be detected and collected, the adjusting screw rod 3 is adjusted by rotating the handle, when the adjusting screw rod 3 is rotated, the force generated by the threaded connection drives the support column 4 to move up and down along the inner wall of the support pipe 2, when the support column 4 moves downward, the support foot 5 moves downward to support the ground, so that the mobile trolley 1 and the detection and collection box 8 remain stable at the place where toxic and harmful gases are located;

[0025] When the detection collection box 8 is kept stable at the toxic and harmful gas site, the exhaust fan 19 is controlled to be opened, when the exhaust fan 19 is opened, the gas in the detection collection box 8 is discharged outward through the exhaust pipe 20, when the gas in the detection collection box 8 is discharged outward, negative pressure is generated in the detection collection box 8, when the negative pressure is generated in the detection collection box 8, the external gas is sucked and collected into the detection collection box 8 through the air inlet pipe 11, the extension pipe 9 and the collection port 10, when the external gas is sucked and collected into the detection collection box 8, the gas sucked and collected into the detection collection box 8 is detected by the detection sensor 13, and the toxic and harmful gas is filtered and purified by the filter element 15, the auxiliary electric telescopic rod 24 is controlled to be opened, when the auxiliary electric telescopic rod 24 is opened, the valve rod 21 is driven to rotate through the connecting rod 23, when the valve rod 21 rotates, the valve plate 22 is swung, when the valve plate 22 swings, the air volume of the exhaust pipe 20 is adjusted or closed, so that the pressure in the detection collection box 8 is maintained or closed, to prevent gas leakage, thereby realizing the function of facilitating the detection and collection of toxic and harmful gas;

[0026] Meanwhile, the main electric telescopic rod 7 is controlled to be opened, when the main electric telescopic rod 7 is opened, the extension pipe 9 moves up and down, when the extension pipe 9 moves up and down, the height of the collection port 10 is adjusted, thereby facilitating the detection and collection of toxic and harmful gas at different heights, when the filter element 15 needs to be replaced, the sealing door 17 is opened, when the sealing door 17 is opened, the filter element 15 can be taken out from the inner wall of the sealing straight sliding groove 14 through the replacement port 16, thereby realizing the detection and collection of toxic and harmful gas, facilitating the replacement of the filter element 15, so that different types of filter elements 15 can be replaced according to different toxic and harmful gas, and high-efficiency adsorption and purification is ensured.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" 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 not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanism for detecting and collecting toxic and harmful gases, characterized by: The mobile cart (1) includes a support tube (2) fixedly installed on both sides of the mobile cart (1). An adjusting screw (3) is rotatably connected through the upper middle part of the support tube (2) via a rotating shaft. A support column (4) is threadedly connected to the lower outer curved surface of the adjusting screw (3). A support foot (5) is fixedly installed at the bottom of the support column (4). A power control cabinet (6) is fixedly installed at the lower middle part of the mobile cart (1). The mobile trolley (1) has a main electric telescopic rod (7) and a detection collection box (8) fixedly installed on its front and rear sides respectively. An extension tube (9) is fixedly installed on the telescopic part at the top of the main electric telescopic rod (7). The front end of the extension tube (9) is fixedly connected to a collection port (10) for collecting toxic and harmful gases. An air inlet pipe (11) is fixedly connected to the middle of the top of the detection collection box (8). An integrated detection plate (12) is fixedly installed in the middle of the upper end of the detection collection box (8). Detection sensors (13) for detecting gases are fixedly installed on the upper end of the integrated detection plate (12). A sealed straight slide groove (14) is fixedly installed in the middle of the detection collection box (8). A filter for filtering and purifying toxic and harmful gases is movably connected to the inner wall of the sealed straight slide groove (14). The filter element (15) has a replacement port (16) fixedly installed on the outer wall of the detection collection box (8). A sealing door (17) is hinged to the outer side of the replacement port (16). An installation plate (18) is fixedly installed on the lower inner wall of the detection collection box (8). An exhaust fan (19) is fixedly installed through the middle of the installation plate (18). An exhaust pipe (20) is fixedly installed through the lower side wall of the detection collection box (8). A valve stem (21) is rotatably connected through the middle of the exhaust pipe (20) via a rotating shaft. A valve plate (22) for adjusting or closing the inner wall of the exhaust pipe (20) is fixedly installed in the middle of the valve stem (21). A connecting rod (23) is fixedly installed on the outer side of the valve stem (21). An auxiliary electric telescopic rod (24) is rotatably connected to the outer wall of the detection collection box (8) via a pin.

2. The mechanism for detecting and collecting toxic and harmful gas according to claim 1, characterized in that: There are four support tubes (2), and each pair of support tubes (2) forms a group. The two groups of support tubes (2) are symmetrically distributed on both sides of the mobile cart (1).

3. The mechanism according to claim 2, wherein: The upper end of the adjusting screw (3) is fixedly equipped with a handle for rotating the adjusting screw (3), the upper end of the support column (4) is movably connected to the inner wall of the support tube (2), and a mobile power supply is fixedly installed inside the power control cabinet (6).

4. The mechanism according to claim 3, wherein: The air intake pipe (11) is connected to the rear opening of the extension pipe (9) via a connecting hose, and a one-way valve is installed inside the air intake pipe (11).

5. The mechanism for detecting and collecting toxic and harmful gas according to claim 4, characterized in that: The integrated detection board (12) has a through-hole for downward gas flow on its end face, and the detection sensor (13) includes, but is not limited to, an electrochemical sensor, an infrared absorption sensor and a photoionization detector.

6. The mechanism for detecting and collecting toxic and harmful gas according to claim 5, characterized in that: The sealed straight sliding groove (14) is externally penetrated to the outside wall of the detection collection box (8), the filter element (15) includes but is not limited to activated carbon filter element, molecular sieve filter element and chemical adsorption filter element, and the replacement opening (16) is communicated with the sealed straight sliding groove (14).

7. The mechanism according to claim 6, wherein: The lower end of the auxiliary electric telescopic rod (24) is outwardly inclined, and the lower end telescopic part of the auxiliary electric telescopic rod (24) is rotationally connected to the outer end of the connecting rod (23) through a pin shaft.

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