CN114235116A

CN114235116A - Detection device is measurationed to industrial gas

Info

Publication number: CN114235116A
Application number: CN202111263870.4A
Authority: CN
Inventors: 魏丽君; 唐亚平; 李湘萍; 罗茂异
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-25

Abstract

The invention discloses an industrial gas measurement detection device, which relates to the technical field of gas detection devices and comprises a detection device and a gas outlet, wherein a gas inlet assembly is arranged on the outer wall of the detection device and comprises a gas inlet box for inlet gas, a sealing door assembly is arranged at the lower part of the gas inlet box and inside the gas inlet box, a heat dissipation assembly is arranged on the inner wall of the gas inlet box, the gas inlet assembly further comprises an installation block fixedly connected with the inner wall of the gas inlet box, a power assembly is arranged inside the installation block, the power assembly comprises a transverse plate in sliding connection with the inner wall of the gas inlet box, and a transmission assembly is arranged on the end surface of the transverse plate. The invention is provided with the air inlet component, the sealing door component and the heat dissipation component, thereby realizing the shunting control of the gas; through setting up power component and drive assembly for the filter screen realizes automatic movement and the automatic clearance effect to the filter screen.

Description

Detection device is measurationed to industrial gas

Technical Field

The invention relates to the technical field of gas detection devices, in particular to an industrial gas measurement and detection device.

Background

Industrially, products which are gaseous at normal temperature and normal pressure are collectively called industrial gas products; measure, refers to measure the weight and volume of the object; the gas detection comprises the analysis of the neon content, the krypton content, the xenon content, the nitrous oxide, the nitrogen monoxide, the nitrogen dioxide, the dinitrogen tetroxide, the total nitrogen content, the carbon monoxide, the carbon dioxide, the methyl mercaptan, the total sulfur, the total chlorine, the organic chlorine, the fluoride, the bromide, the aldehyde value, the peroxide, the benzene content, the toluene content, the p-xylene content, the m-xylene content, the o-xylene content, the ethyl benzene content, the MTBE content, the alcohol content, the density, the formaldehyde content [1], the specific gravity, the high calorific value, the low calorific value, the Wobbe index, the combustion potential, the particulate matter, the hydrocarbon dew point, the coal tar content, the components and the like.

When the existing industrial gas measurement detection device is used, the fact that gas generated and flowing out in the production process is divided into high temperature and normal temperature is found, the existing detection device does not split the high temperature gas and the normal temperature gas, so that the high temperature gas and the normal temperature gas share one set of detection device gas conveying pipe, and partial components are melted in a long-time high-temperature environment, so that the components of equipment are damaged; secondly, the impurity contained in the gas can affect the detection result of the gas, and although the conventional device is provided with a filter screen, the conventional device needs to be cleaned and maintained regularly by manpower, and is troublesome to use.

Disclosure of Invention

In view of the above, the present invention is directed to an industrial gas measurement and detection device, which solves the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a detection device is measurationed to industrial gas, includes detection device and gas outlet, the subassembly that admits air is installed to detection device's outer wall, and admit air the subassembly including the inlet box that is used for admitting air, the lower part of inlet box and the inside that is located the inlet box are provided with the sealing door subassembly, and the inner wall of inlet box installs radiator unit, the subassembly that admits air still including with inlet box inner wall fixed connection's installation piece, and the inside of installation piece is provided with power component, power component including with inlet box inner wall sliding connection's diaphragm, and the terminal surface of diaphragm installs drive assembly.

Through adopting above-mentioned technical scheme for the subassembly that admits air carries out high temperature, normal atmospheric temperature reposition of redundant personnel to gas, thereby plays detection device's protection, prevents to use the damage that causes thoughtlessly, and outside, drive mechanism can realize convenient and practical to the self-cleaning of filter screen.

The invention is further arranged in such a way that the bottom end of the air inlet box is connected with an air inlet pipe connected with an external factory gas discharge system, the inner wall of the air inlet pipe is provided with a temperature sensor for detecting the gas temperature, a plurality of groups of first air outlets are arranged in the air inlet box, and a plurality of groups of second air outlets are arranged above the first air outlets.

Through adopting above-mentioned technical scheme for the gas that treats can get into the subassembly that admits air through the intake pipe and inside shunts.

The invention is further arranged in such a way that a thermosensitive spring is fixedly connected to the inner side of the bottom wall of the air inlet box, which is positioned at the first air outlet, and the top end of the thermosensitive spring is fixedly connected with a rotating plate which is rotatably connected with the mounting block through a rotating shaft.

Through adopting above-mentioned technical scheme for the rotor plate can rotate around the mounting panel, and then makes the high temperature air current can flow in to the inlet box first half.

The invention is further arranged in that the sealing door assembly comprises a sealing door positioned on the inner wall of the air inlet box, rotating shafts are fixed on two sides of the sealing door, a convex block is fixedly connected to the end surface of each rotating shaft, a pneumatic cylinder is arranged on one side of each convex block, the output end of each pneumatic cylinder is connected with a stress block, a clamping groove matched with the outer wall of each convex block is formed in the stress block, and the sealing door is rotatably connected with the inner wall of the air inlet box through the rotating shafts.

Through adopting above-mentioned technical scheme, the sealing door subassembly can be so that a gas outlet be in the encapsulated situation, and then place high-temperature gas and flow out from a gas outlet.

The invention is further arranged in such a way that the heat dissipation assembly comprises a box door which is positioned on the inner wall of the air inlet box and is rotationally connected with the inner wall of the air inlet box through a rotating shaft, the end surface of the box door is fixedly connected with a pull rope, the inner side of the pull rope is provided with a pulley which is installed on the outer wall of the air inlet box, the pull rope extends into the installation block through the pulley, one end of the pull rope is connected with a moving plate which is positioned in the installation block and is in sliding connection with the inner wall of the installation block, and the bottom end of the moving plate is provided with a driven tooth wall used for being driven.

Through adopting above-mentioned technical scheme, radiator unit's design can dispel the heat to heat sensitive spring after the gaseous feeding of high temperature is accomplished to make the inside subassembly of air intake component reset, be convenient for use next time.

The invention is further arranged in that the power assembly comprises a power gear sleeved on the outer wall of the rotating shaft at the joint of the rotating plate and the mounting block, the power gear is connected with the rotating shaft through a one-way bearing, the gear teeth of the power gear are matched with the driven gear wall of the bottom wall of the moving plate, the power gear is in transmission connection with the driven gear through a transmission turntable and a transmission belt, the driven gear is in meshing connection with the first gear wall through a gear, and the end surface of the transverse plate is provided with a limiting slide rod.

Through adopting above-mentioned technical scheme, the kinetic energy of gas impact rotor plate can make the rotor plate rotate, and then the rotor plate drive power component operation.

The invention is further arranged in that a vertical rod is fixedly connected to the top end of the transverse plate, a filter screen is fixedly connected to the top end of the vertical rod, the diameter of the filter screen is slightly larger than the aperture of the second air outlet, and a second tooth wall is arranged at one end, located on the filter screen, of the end surface of the transverse plate.

By adopting the technical scheme, the method has the advantages that,

the transmission assembly comprises a first conical gear which is positioned above a second tooth wall and is in meshed connection with the second tooth wall through a gear, a second conical gear is fixedly connected above the first conical gear through a connecting shaft, a third conical gear is connected to the top end of the second conical gear, and a screw rod is fixedly connected to the end face of the third conical gear.

Through adopting above-mentioned technical scheme, transmission assembly makes rotor plate pivoted power transfer to lead screw and drive the lead screw and rotate.

The invention is further arranged in such a way that the outer wall of the screw rod is sleeved with a cleaning plate, the inner wall of the cleaning plate is matched with the screw thread of the outer wall of the screw rod, the two sides of the cleaning plate are fixedly connected with limiting rods, the end surface of the cleaning plate is provided with a plurality of groups of cleaning cones, and the aperture of each cleaning cone is just matched with the aperture of the filter screen.

Through adopting above-mentioned technical scheme, realize the clearance effect of clearance board to the filter screen under the rotation of lead screw and the limiting displacement of gag lever post.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, through the arrangement of the air inlet assembly, the sealing door assembly and the heat dissipation assembly, when high-temperature gas is introduced, the first gas outlet is closed under the action of the temperature sensor and the heat-sensitive spring, so that the high-temperature gas rushes open the rotating plate and flows out through the second gas outlet, thereby realizing the split-flow control of the gas, and after the high-temperature gas is conveyed, the heat dissipation assembly is driven to run through the resetting of the rotating plate, so that the heat-sensitive spring is cooled, and the heat dissipation assembly is convenient to use next time;

2. according to the automatic cleaning device, the power assembly and the transmission assembly are arranged, the power assembly is operated through rotation of the rotating plate, the filter screen is enabled to achieve the effect of automatic movement, and the transmission assembly is used for automatically cleaning the filter screen, so that the automatic cleaning device is convenient and quick.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of an air intake assembly of the present invention;

FIG. 3 is a schematic view of the sealed door assembly of the present invention;

fig. 4 is a schematic view of the internal structure of the sealing door assembly of the present invention.

FIG. 5 is a schematic view of the pneumatic cylinder of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2;

FIG. 7 is a schematic view of the transmission assembly of the present invention;

FIG. 8 is a schematic diagram of a cleaning plate structure according to the present invention.

In the figure: 1. a detection device; 2. an air intake assembly; 201. an air intake box; 202. an air inlet pipe; 203. a temperature sensor; 204. a first air outlet; 205. a second air outlet; 206. a heat-sensitive spring; 207. mounting blocks; 208. a rotating plate; 3. an air outlet; 4. sealing the door assembly; 401. a sealing door; 402. a rotating shaft; 403. a bump; 404. a pneumatic cylinder; 405. a clamping groove; 5. a heat dissipating component; 501. a box door; 502. pulling a rope; 503. a pulley; 504. moving the plate; 6. a power assembly; 601. a power gear; 602. a driven gear; 603. a transverse plate; 604. a first tooth wall; 605. a second tooth wall; 606. a vertical rod; 607. filtering with a screen; 7. a transmission assembly; 701. a first conical gear; 702. a second bevel gear; 703. a third bevel gear; 704. a screw rod; 705. cleaning the plate; 7051. cleaning the cone; 706. a limiting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An industrial gas measurement detection device, please refer to fig. 1-2, comprising a detection device 1 for detecting gas, wherein a gas inlet assembly 2 for gas inlet pretreatment is fixedly installed on the outer wall of the detection device 1 through bolts, the gas inlet assembly 2 comprises a gas inlet box 201 for gas diversion and filtration, the bottom end of the gas inlet box 201 is connected with a gas inlet pipe 202 for accessing to-be-detected gas, the gas inlet pipe 202 controls gas feeding through an electromagnetic valve, in addition, a temperature sensor 203 for detecting gas temperature is also installed inside the gas inlet pipe 202, the temperature sensor 203 is electrically connected with a pneumatic cylinder 404 through a single chip microcomputer to control the pneumatic cylinder 404, a plurality of groups of first gas outlets 204 and second gas outlets 205 are arranged inside the gas inlet box 201, and the first gas outlets 204 and the second gas outlets 205 are distributed in the upper and lower half regions, a heat-sensitive spring 206 with an elastic system changing along with the temperature is arranged on the inner side of the first air outlet 204, the top end of the heat-sensitive spring 206 is fixedly connected with a rotating plate 208, one side of the rotating plate 208 is rotatably connected with a mounting block 207 fixedly connected with the inner wall of the air inlet box 201 through a rotating shaft, when the normal-temperature gas enters the air inlet box 201, the temperature sensor 203 detects that the gas temperature does not reach a set value, at the moment, the sealing door assembly 4 is not limited, and the heat-sensitive spring 206 cannot deform, so that the normal-temperature gas can be directly conveyed to the first air outlet 204 to be exhausted; when high-temperature gas is input, temperature sensor 203 can signal to the singlechip, singlechip control sealing door subassembly 4 starts spacingly, gas can't give vent to anger through a gas outlet 204 this moment, consequently, a large amount of high-temperature gas can pile up in rotor plate 208 below, the elastic coefficient of heat-sensitive spring 206 can diminish under high-temperature gas's temperature this moment, consequently, high-temperature gas can break rotor plate 208 and input the position department of No. two gas outlets and realize giving vent to anger, above-mentioned structure has played the reposition of redundant personnel effect to gas.

Referring to fig. 2-5, a sealing door assembly 4 for controlling air outlet of the first air outlet 204 is disposed on an inner wall of the first air outlet 204, wherein the sealing door assembly 4 includes a sealing door 401, a rotation shaft 402 rotatably connected to an inner wall of the first air outlet 204 is fixed to an end surface of the sealing door 401, a protrusion 403 for being limited is fixed to an end surface of the rotation shaft 402, a pneumatic cylinder 404 is installed on one side of the protrusion 403, a clamping groove 405 for limiting the protrusion 403 is formed in an output end of the pneumatic cylinder 404, after high-temperature gas is input, the temperature sensor 203 sends a signal to start the pneumatic cylinder 404, the output end of the pneumatic cylinder 404 is clamped and limited to the protrusion 403, so that the sealing door 401 is limited and cannot be opened, that is, the first air outlet 204 is closed, and high-temperature gas can move to the second air outlet 205 to be exhausted.

Referring to fig. 2, a heat dissipation assembly 5 is installed on an inner wall of the air inlet box 201, wherein the heat dissipation assembly 5 includes a box door 501 rotatably connected to the inner wall of the air inlet box 201, a pull rope 502 for pulling the box door 501 to rotate outward to open is fixedly connected to an outer wall of the box door 501, a pulley 503 for changing a moving direction of the pull rope is installed on an outer wall of the air inlet box 201 on an inner side of the pull rope 502, a moving plate 504 for pulling the pull rope 502 is connected to an inner side of the installation block 207 on one end of the pull rope 502, a driven tooth wall for being driven is provided at a bottom end of the moving plate 504, when the rotating plate 208 is reset after rotating, a power gear 601 sleeved on an outer wall of a rotating shaft connected with the rotating plate 208 and the installation plate drives the moving plate 504 to move inward through gear engagement, the moving plate 504 pulls the pull rope 502 to move, so that the pull rope 502 pulls the box door 501 to rotate outward to open, and external air enters the air inlet box 201, the temperature of the heat-sensitive spring 206 is reduced, and the subsequent use is facilitated.

Referring to fig. 6-7, a power assembly 6 is disposed at a connection between the rotating plate 208 and the mounting block 207, wherein the power assembly 6 includes a power gear 601 sleeved on an outer wall of the rotating shaft, one end of the power gear 601 is connected to a driven gear 602 through a transmission turntable and a transmission belt, a horizontal plate 603 slidably connected to an inner wall of the air intake box 201 is connected to a top end of the driven gear 602, a first tooth wall 604 driven by the driven gear 602 is fixed to a bottom end of the horizontal plate 603, a second tooth wall 605 for driving the transmission assembly 7 is fixed to a top end of the horizontal plate 603, a vertical rod 606 is fixed to an end surface of the horizontal plate 603, a filter screen 607 for filtering air is fixed to a top end of the vertical rod 606, when the rotating plate 208 is opened by upward rotation, the power gear 601 drives the driven gear 602 to rotate, the driven gear 602 further drives the first tooth wall 604 to move through gear engagement, so that the first tooth wall 604 makes the horizontal plate 603 slide along the inner wall 201 of the air intake box, at this time, the filter screen 607 will move to the second air outlet 205 along with the horizontal plate 603, so as to achieve the filtering effect on the outlet air (the first air outlet 204 is also provided with the power assembly 6 and the transmission assembly 7, which are not shown in the figure for clarity).

Referring to fig. 7-8, a transmission assembly 7 is disposed above the second tooth wall 605, wherein the transmission assembly 7 includes a first bevel gear 701 driven by the second tooth wall 605, the top end of the first bevel gear 701 is synchronously connected with a second bevel gear 702 through a connecting shaft, the top end of one side of the second bevel gear 702 is connected with a third bevel gear 703 through a gear engagement action, a lead screw 704 is fixed on the end surface of the third bevel gear 703, a cleaning plate 705 is sleeved on the outer wall of the lead screw 704, an internal thread matched with the outer wall of the lead screw 704 is disposed on the inner wall of the cleaning plate 705, a cleaning cone 7051 for cleaning impurities remained in the filter screen 607 is disposed on the end surface of the cleaning plate 705, a limiting rod 706 for limiting the cleaning plate 705 is fixed on both sides of the cleaning plate 705, when the horizontal plate 603 moves, the second tooth wall 605 on the end surface of the horizontal plate 603 moves along with the horizontal plate 603, under the action of the second tooth wall 605, the first bevel gear 701 starts to rotate, the first bevel gear 701 can drive the second bevel gear 702 to synchronously rotate through the connecting shaft after rotating, therefore, the second bevel gear 702 drives the third bevel gear 703 to rotate, the third bevel gear 703 can drive the screw rod 704 to rotate after rotating, the cleaning plate 705 which is positioned on the outer wall of the screw rod 704 and sleeved with the outer wall of the screw rod can slide under the screw rod 704 screw thread driving action and the limiting action of the limiting rod 706, when the filter screen 607 completely moves from the air outlet, the cleaning plate 705 just moves to the end face of the filter screen 607, the filter screen 607 is cleaned through the cleaning cone 7051, when the filter screen 607 moves to the air outlet, the cleaning plate 705 can reset, and the next use is facilitated.

The working principle of the invention is as follows: after the normal temperature gas enters the gas inlet box 201, the temperature sensor 203 detects that the gas temperature does not reach a set value, and the pneumatic cylinder 404 does not receive a signal and is not started at the moment, so that the sealing door 401 is not limited, and the heat-sensitive spring 206 does not deform when meeting high temperature, so that the normal temperature gas can be directly conveyed to the first gas outlet 204 to be discharged;

when high-temperature gas is input, the temperature sensor 203 sends a signal to the single chip microcomputer, the single chip microcomputer controls the pneumatic cylinder 404 to be started, the output end of the pneumatic cylinder 404 drives the stress block to move to the outer side of the bump 403, the bump 403 is clamped and limited, the sealing door 401 is limited and cannot be opened, namely the first gas outlet 204 is closed, at the moment, the high-temperature gas is accumulated in a large amount, the air pressure on the rotating plate 208 in the gas inlet box 201 is increased, and meanwhile, the elastic coefficient of the heat-sensitive spring 206 is also reduced at high temperature, so that the high-temperature gas rushes out the rotating plate 208 and moves to the second gas outlet 205 to give out gas;

when the rotating plate 208 rotates upwards and is opened, the power gear 601 drives the driven gear 602 to rotate, the driven gear 602 further drives the first tooth wall 604 to move through the gear meshing action, so that the first tooth wall 604 enables the transverse plate 603 to slide along the inner wall of the air inlet box 201, and at the moment, the filter screen 607 moves to the second air outlet 205 along the transverse plate 603, so that the filtering effect on the air before the air is exhausted is realized (the power assembly 6 and the transmission assembly 7 are also arranged at the first air outlet 204, which are not shown in the figure for clarity of display);

when the transverse plate 603 moves, the second tooth wall 605 on the end surface of the transverse plate 603 moves along with the transverse plate 603, the first bevel gear 701 starts to rotate under the action of the second tooth wall 605, the first bevel gear 701 can drive the second bevel gear 702 to synchronously rotate through the connecting shaft after rotating, so that the second bevel gear 702 drives the third bevel gear 703 to rotate, the third bevel gear 703 can drive the screw rod 704 to rotate after rotating, and the cleaning plate 705 sleeved on the outer wall of the screw rod 704 can slide under the screw thread driving action of the screw rod 704 and the limiting action of the limiting rod 706, so that the cleaning action on the filter screen 607 and the self retraction action are realized;

specifically, when the rotating plate 208 rotates upwards to be opened, the filter screen 607 can completely move to the air outlet along with the transverse plate 603, at the moment, the cleaning plate 705 retracts to reset, so that the cleaning plate can be used next time, when the rotating plate 208 rotates downwards to be closed, the filter screen 607 can completely move out from the air outlet along with the transverse plate 603, at the moment, the cleaning plate 705 also just moves to the end face of the filter screen 607, and the cleaning cone 7051 is used for cleaning the filter screen 607;

after the high-temperature gas is conveyed, the rotating plate 208 can reset under the action of gravity, at the moment, the power gear 601 on the outer wall of the rotating plate 208 can drive the moving plate 504 to move inwards, the moving plate 504 can pull the pull rope 502 to move after moving, and then the pull rope 502 pulls the box door 501 to rotate outwards to open, so that external air enters the air inlet box 201, the cooling effect on the heat-sensitive spring 206 is realized, and the subsequent use is facilitated;

finally, the gas subjected to the shunting treatment and the filtering treatment of the gas inlet assembly 2 is conveyed to the interior of the detection device 1, and the gas detected by the detection device 1 is discharged through the gas outlet 3, so that the detection work of the gas is completed.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. A detection device is weighed to industrial gas, includes detection device (1) and gas outlet (3), its characterized in that: air intake assembly (2) is installed to the outer wall of detection device (1), and air intake assembly (2) including air inlet box (201) that is used for admitting air, the lower part of air inlet box (201) and the inside that is located air inlet box (201) are provided with sealing door subassembly (4), and air inlet box's (201) inner wall installs radiator unit (5), air intake assembly (2) still including with air inlet box (201) inner wall fixed connection's installation piece (207), and the inside of installation piece (207) is provided with power component (6), power component (6) including with air inlet box (201) inner wall sliding connection's diaphragm (603), and transmission assembly (7) are installed to the terminal surface of diaphragm (603).

2. The industrial gas measurement and detection device according to claim 1, wherein: the bottom of air inlet box (201) is connected with intake pipe (202) of being connected with external mill's gas emission system, and the inner wall of intake pipe (202) installs and is used for carrying out temperature sensor (203) that detect gas temperature, No. one gas outlet of multiunit (204) has been seted up to the inside of air inlet box (201), and No. two gas outlets of multiunit (205) have been seted up to the top of a gas outlet (204).

3. The industrial gas measurement and detection device according to claim 2, wherein: the bottom wall of the air inlet box (201) is located on the inner side of the first air outlet (204) and is fixedly connected with a heat-sensitive spring (206), the top end of the heat-sensitive spring (206) is fixedly connected with a rotating plate (208), and the rotating plate (208) is rotatably connected with the mounting block (207) through a rotating shaft.

4. The industrial gas measurement and detection device according to claim 3, wherein: sealing door subassembly (4) is including sealing door (401) that is located air box (201) inner wall, and the both sides of sealing door (401) all are fixed with axis of rotation (402), the terminal surface fixedly connected with lug (403) of axis of rotation (402), and one side of lug (403) is provided with pneumatic cylinder (404), the output of pneumatic cylinder (404) is connected with the atress piece, and the inside of atress piece set up with lug (403) outer wall assorted block groove (405), sealing door (401) are connected with air box (201) inner wall rotation through axis of rotation (402).

5. The industrial gas measurement and detection device according to claim 4, wherein: radiating component (5) including being located air inlet box (201) inner wall and with air inlet box (201) inner wall through pivot rotation door (501) be connected, and the terminal surface fixedly connected with stay cord (502) of door (501), pulley (503) with air inlet box (201) outer wall installation are installed to the inboard of stay cord (502), and stay cord (502) extend to installation piece (207) inside through pulley (503), the one end of stay cord (502) is connected with and is located installation piece (207) inside and with installation piece (207) inner wall sliding connection's movable plate (504), and the bottom of movable plate (504) is provided with and is used for driven fluted wall.

6. The industrial gas measurement and detection device according to claim 5, wherein: power component (6) are including cup jointing in power gear (601) of rotor plate (208) and installation piece (207) junction pivot outer wall, power gear (601) are connected through one-way bearing with the pivot, and the teeth of a cogwheel of power gear (601) and the driven tooth wall phase-match of movable plate (504) diapire, power gear (601) are connected with driven gear (602) through transmission carousel, driving belt transmission, and driven gear (602) are connected through gear engagement with a tooth wall (604), the terminal surface of diaphragm (603) is provided with spacing slide bar.

7. The industrial gas measurement and detection device according to claim 6, wherein: the top fixedly connected with montant (606) of diaphragm (603), and the top fixedly connected with filter screen (607) of montant (606), the diameter of filter screen (607) slightly is greater than the aperture of No. two gas outlets (205), No. two tooth walls (605) have been seted up to the one end that the terminal surface of diaphragm (603) is located filter screen (607).

8. The industrial gas measurement and detection device according to claim 7, wherein: the transmission assembly (7) comprises a first bevel gear (701) which is located above a second tooth wall (605) and is connected with the second tooth wall (605) in a gear meshing mode, a second bevel gear (702) is fixedly connected above the first bevel gear (701) through a connecting shaft, a third bevel gear (703) is connected to the top end of the second bevel gear (702), and a screw rod (704) is fixedly connected to the end face of the third bevel gear (703).

9. The industrial gas measurement and detection device according to claim 8, wherein: the outer wall of lead screw (704) has cup jointed the inner wall and has been provided with and lead screw (704) outer wall screw thread matching clearance board (705), and the equal fixedly connected with gag lever post (706) in both sides of clearance board (705), multiunit clearance awl (7051) have been seted up to the terminal surface of clearance board (705), and the aperture of clearance awl (7051) just with filter screen (607) aperture phase-match.