阅读说明：本技术 一种废气检测装置及其检测方法 (Waste gas detection device and detection method thereof ) 是由 刘明凤 陈金泉 颜志辉 何伟阳 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种废气检测装置及其检测方法,所述的一种废气检测装置包括检测箱、底座机构、检测机构和收纳瓶,所述检测箱的一侧转动连接有密封门,所述检测箱的内壁底部设有底座机构,所述检测箱的内壁顶部设有检测机构,所述检测箱的内壁远离密封门一侧为梯形结构,本发明的有益效果是：通过设置两个单独的出风口、换气风扇以及两个材质不同的滤板便于更好的对不同种类的废气进行过滤处理,防止工作人员在使用设备时受到废气的影响；通过底座机构便于更好的对不同尺寸的收纳瓶进行快速固定限位,同时还便于检测完毕后进行拿取；通过检测机构便于更好的对收纳瓶内的废气进行检测,同时可拆卸的垫板便于更好的对使用后的开口刀进行拆卸清理。(The invention discloses a waste gas detection device and a detection method thereof, wherein the waste gas detection device comprises a detection box, a base mechanism, a detection mechanism and a storage bottle, wherein one side of the detection box is rotatably connected with a sealing door, the bottom of the inner wall of the detection box is provided with the base mechanism, the top of the inner wall of the detection box is provided with the detection mechanism, and the side, far away from the sealing door, of the inner wall of the detection box is of a trapezoidal structure, and the waste gas detection device has the beneficial effects that: the two independent air outlets, the ventilation fan and the two filter plates made of different materials are arranged, so that different types of waste gas can be better filtered, and the influence of the waste gas on workers when the workers use the equipment is prevented; the base mechanism is convenient for rapidly fixing and limiting the containing bottles with different sizes, and is also convenient for taking after detection is finished; the waste gas to in the containing bottle that is convenient for better through detection mechanism detects, and the detachable backing plate is convenient for better dismantlement clearance to the opening sword after using simultaneously.)

1. A waste gas detection device comprises a detection box (1), a base mechanism (3), a detection mechanism (4) and a containing bottle (13), and is characterized in that one side of the detection box (1) is rotatably connected with a sealing door (2), the base mechanism (3) is arranged at the bottom of the inner wall of the detection box (1), the detection mechanism (4) is arranged at the top of the inner wall of the detection box (1), one side, away from the sealing door (2), of the inner wall of the detection box (1) is of a trapezoidal structure, two air outlets (5) are symmetrically arranged at one side, away from the sealing door (2), of the inner wall of the detection box (1), connecting boxes (6) are fixedly connected at positions corresponding to the two air outlets (5), a ventilation fan (7) is fixedly arranged at one side, away from the detection box (1), and filter plates (8) are arranged in the middle parts of the two connecting boxes (6), a top plate (9) is fixedly mounted at the top of the connecting box (6), the bottom of the filter plate (8) penetrates through the top plate (9) and then is in contact with the bottom of the inner wall of the connecting box (6), the top of the filter plate (8) extends to the top of the top plate (9) and is fixedly connected with a sealing plate (10), a pull ring (11) is fixedly connected to the top of the sealing plate (10), and a clamping assembly (12) is arranged inside the top plate (9);

the base mechanism (3) comprises a base (31), the bottom of the inner wall of the detection box (1) is rotatably connected with the base (31), a sliding groove (32) is formed in the base (31), a sliding rod (33) is fixedly connected in the base (31), the middle of the outer side of the sliding rod (33) is fixedly connected with a limiting block (34), sliding blocks (35) are symmetrically and slidably connected to the outer side of the sliding rod (33), clamping blocks (36) are fixedly connected to the tops of the two sliding blocks (35), and a first spring (37) is sleeved on the outer side of the sliding rod (33) and on one side, far away from the two sliding blocks (35);

the storage bottle (13) is placed at the top of the base mechanism (3), and tin foil paper (14) is adhered to the top of the storage bottle (13).

2. An exhaust gas detecting apparatus according to claim 1, characterized in that: one side of each clamping block (36) close to each other is of an arc-shaped structure, the top of each clamping block (36) is of a slope-shaped structure, and the containing bottle (13) is inserted between the two clamping blocks (36).

3. An exhaust gas detecting apparatus according to claim 1, characterized in that: the detection mechanism (4) comprises a top seat (41), the top of the inner wall of the detection box (1) is fixedly connected with the top seat (41), a sliding plate (42) is connected inside the top seat (41) in a sliding way, one end of the top part of the inner wall of the top seat (41) is rotationally connected with an electric telescopic rod (43), the tail end of a piston rod of the electric telescopic rod (43) is rotatably connected with one end of the top of the sliding plate (42), the bottom of the sliding plate (42) is fixedly connected with a detector (44), the bottom of the detector (44) is rotationally clamped with a backing plate (45), the detection head of the detector (44) penetrates below the backing plate (45), the bottom of the backing plate (45) and two sides of the detection head of the detector (44) are symmetrically and fixedly connected with opening knives (46), and a cushion ring (47) is fixedly installed at the bottom of the inner wall of the top seat (41), and the size of the cushion ring (47) is matched with that of the sliding plate (42).

4. An exhaust gas detecting apparatus according to claim 3, wherein: one end of the bottom of the opening knife (46) forms a forty-five included angle with a vertical surface, and the detection mechanism (4) and the base mechanism (3) are located in the same vertical surface.

5. An exhaust gas detecting apparatus according to claim 1, characterized in that: the clamping component (12) comprises a mounting groove (121), the mounting groove (121) is formed in the top of the interior of the filter plate (8), a first push plate (122) is connected to the interior of the mounting groove (121) in a sliding manner, a second spring (123) is fixedly connected to one side of the first push plate (122), a clamping groove (124) is formed in the interior of the top plate (9) and one end, close to the mounting groove (121), of the top plate, a clamping block (125) is fixedly connected to one side, far away from the second spring (123), of the first push plate (122), the clamping block (125) penetrates through the filter plate (8) and extends into the clamping groove (124), a second push plate (126) is connected to the interior of the clamping groove (124) in a sliding manner and one end, far away from the clamping block (125), of the second push plate (126), a connecting rod (127), extends to the outer side of the top plate (9) and is fixedly connected with a shifting block (128), and a third spring (129) is sleeved on the outer side of the connecting rod (127) and the outer side of the top plate (9).

6. An exhaust gas detecting apparatus according to claim 5, wherein: the bottom of the inner wall of the connecting box (6) is of a V-shaped structure.

7. An exhaust gas detecting apparatus according to claim 1, characterized in that: the outer side bottom of sealing door (2) is fixed with one-way air inlet valve (16), one-way air inlet valve (16) is communicated with the inside of detection box (1).

8. An exhaust gas detecting apparatus according to claim 3, wherein: the top fixed mounting of detection case (1) has control panel (15), electric telescopic handle (43), detector (44) and two breather fan (7) all with control panel (15) electric connection.

9. An exhaust gas detection method according to any one of claims 1 to 8, comprising the steps of:

s1, firstly moving the equipment to a designated position, then opening the sealing door (2), then rotating the base (31) to a proper angle, placing the containing bottle (13) filled with industrial waste gas or domestic waste gas on the top of the base (31), ejecting the two clamping blocks (36) from the bottom of the containing bottle (13), and simultaneously sliding the two sliding blocks (35) in the direction away from each other, when the containing bottle (13) is completely attached to the top of the base (31), enabling the two sliding blocks (35) to slide in the direction close to each other through the elasticity of the two first springs (37) and driving the two clamping blocks (36) to clamp the containing bottle (13);

s2, closing the sealing door (2) and starting a power supply of the device, opening the electric telescopic rod (43) through the control panel (15), pushing the sliding plate (42) to move downwards by a piston rod of the electric telescopic rod (43), further driving the detector (44) to move downwards, puncturing the tin foil paper (14) by the opening knife (46) when the detector (44) moves downwards, extending a detection head of the detector (44) into the containing bottle (13), simultaneously attaching the backing plate (45) to a bottle opening of the containing bottle (13) to prevent gas from diffusing and diluting, detecting gas in the containing bottle (13), pulling the sliding plate (42) by the electric telescopic rod (43) after detection to restore the original position, and dispersing waste gas in the containing bottle (13) in the detection box (1);

s3, the filter plates (8) in the two connecting boxes (6) are made of different materials and are respectively used for filtering industrial waste gas and domestic waste gas, corresponding ventilating fans (7) are started according to the types of the detected waste gas, at the moment, airflow in the detection box (1) enters the connecting boxes (6) through the air outlets (5), is filtered by the filter plates (8) in the connecting boxes (6) and then is exhausted from the corresponding ventilating fans (7), and meanwhile, external fresh air slowly enters the detection box (1) through the one-way air inlet valve (16) for filling and replacing;

s4, after ventilation of the device is finished, firstly, the power supply is turned off, then the corresponding shifting block (128) is pressed, the shifting block (128) pushes the second push plate (126) to slide towards the direction of the filter plate (8), the second push plate (126) pushes the clamping block (125) back to the mounting groove (121), at the moment, the clamping block (125) is separated from the clamping groove (124), the pull ring (11) drives the sealing plate (10) and the filter plate (8) to be pulled upwards, then exhaust gas filtering particles on the filter plate (8) can be further detected, or the filter plate (8) is cleaned, after treatment is finished, the filter plate (8) passes through the top plate (9) and is inserted back into the connecting box (6), when the clamping block (125) on one side of the filter plate (8) slides to the clamping groove (124), the clamping block is clamped in the clamping groove (124) through the pushing force of the second spring (123), the fixing of the filter plate (8) is finished, and simultaneously, the sealing plate (10) is attached to the top of the top plate (9), preventing the leakage of exhaust gas.

Technical Field

The invention relates to the technical field of waste gas detection, in particular to a waste gas detection device and a detection method thereof.

Background

Waste gas detection belongs to one kind that environmental detection detected for the waste gas that supervise factory emission, vehicle emission and daily life produced accords with emission standard, and current waste gas detection device function is comparatively single, can't detect the processing to the waste gas of different sources different grade types, and waste gas detection finishes the back and can't filter direct emission, easily causes certain influence to staff's breathing health.

Disclosure of Invention

The present invention is directed to an exhaust gas detection device and a detection method thereof, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a waste gas detection device comprises a detection box, a base mechanism, a detection mechanism and a containing bottle, wherein one side of the detection box is rotatably connected with a sealing door, the bottom of the inner wall of the detection box is provided with the base mechanism, the top of the inner wall of the detection box is provided with the detection mechanism, one side of the inner wall of the detection box, which is far away from the sealing door, is of a trapezoidal structure, one side of the inner wall of the detection box, which is far away from the sealing door, is symmetrically provided with two air outlets, one side of the detection box and the positions corresponding to the two air outlets are fixedly connected with connecting boxes, one side of each connecting box, which is far away from the detection box, is fixedly provided with a ventilation fan, the middle parts of the inner parts of the two connecting boxes are respectively provided with a filter plate, the top of each connecting box is fixedly provided with a top plate, the bottom of each filter plate penetrates through the top plate and is contacted with the bottom of the inner wall of each connecting box, and the top of each filter plate extends to the top of the top plate and is fixedly connected with a sealing plate, the top of the sealing plate is fixedly connected with a pull ring, and a clamping assembly is arranged inside the top plate;

the base mechanism comprises a base, the bottom of the inner wall of the detection box is rotatably connected with the base, a sliding groove is formed in the base, a sliding rod is fixedly connected in the base, a limiting block is fixedly connected in the middle of the outer side of the sliding rod, sliding blocks are symmetrically and slidably connected to the outer side of the sliding rod, clamping blocks are fixedly connected to the tops of the two sliding blocks, and a first spring is sleeved on the outer side of the sliding rod and on one side, far away from the two sliding blocks, of the sliding rod;

the storage bottle is placed at the top of the base mechanism, and tin foil paper is bonded to the top of the storage bottle.

Preferably, one side of each of the two clamping blocks, which is close to the clamping block, is of an arc structure, the top of each clamping block is of a slope-shaped structure, and the containing bottle is inserted between the two clamping blocks.

Preferably, detection mechanism includes the footstock, the inner wall top fixedly connected with footstock of detection case, the inside sliding connection of footstock has the sliding plate, the inner wall top one end of footstock is rotated and is connected with electric telescopic handle, electric telescopic handle's piston rod end is rotated with the top one end of sliding plate and is connected, the bottom fixedly connected with detector of sliding plate, the rotatory joint in bottom of detector has the backing plate, the detection head of detector runs through to the below of backing plate, the bottom of backing plate just is located the bilateral symmetry fixedly connected with opening sword that the detector detected the head, the inner wall bottom fixed mounting of footstock has the backing ring, the backing ring with the sliding plate size phase-match.

Preferably, one end of the bottom of the opening knife forms a forty-five included angle with a vertical surface, and the detection mechanism and the base mechanism are located in the same vertical surface.

Preferably, the block subassembly includes the mounting groove, the mounting groove has been seted up at the inside top of filter plate, the inside sliding connection of mounting groove has first push pedal, one side fixedly connected with second spring of first push pedal, the draw-in groove has been seted up to the inside of roof and the one end that is close to the mounting groove, one side fixedly connected with fixture block of second spring is kept away from to first push pedal, the fixture block runs through behind the filter plate and extends to the inside of draw-in groove, the inside of draw-in groove and the one end sliding connection who keeps away from the fixture block have the second push pedal, one side fixedly connected with connecting rod of fixture block is kept away from to the second push pedal, the one end that the second push pedal was kept away from to the connecting rod extends to the outside and the fixedly connected with shifting block of roof, the outside of connecting rod and the outside cover that is located the roof are equipped with the third spring.

Preferably, the bottom of the inner wall of the connecting box is of a V-shaped structure.

Preferably, the bottom of the outer side of the sealing door is fixedly provided with a one-way air inlet valve, and the one-way air inlet valve is communicated with the inside of the detection box.

Preferably, the top fixed mounting of detection case has control panel, electric telescopic handle, detector and two ventilation fan all with control panel electric connection.

The invention also provides a waste gas detection method, which comprises the following steps:

s1, firstly moving the equipment to a designated position, then opening a sealing door, then rotating a base to a proper angle, placing a containing bottle filled with industrial waste gas or domestic waste gas on the top of the base, ejecting two clamping blocks at the bottom of the containing bottle, and simultaneously sliding two sliding blocks in a direction away from each other;

s2, closing the sealing door and starting a power supply of the device, opening the electric telescopic rod through the control panel, pushing the sliding plate to move downwards by the piston rod of the electric telescopic rod so as to drive the detector to move downwards, puncturing the tin foil paper by the opening knife when the detector moves downwards, extending the detection head of the detector into the storage bottle, attaching the backing plate to the bottle opening of the storage bottle so as to prevent gas from diffusing and diluting, detecting the gas in the storage bottle, pulling up the sliding plate by the electric telescopic rod after detection is finished so as to recover the original position of the sliding plate, and dispersing the waste gas in the storage bottle in the detection box at the moment;

s3, the filter plates in the two connecting boxes are made of different materials and are respectively used for filtering industrial waste gas and domestic waste gas, corresponding ventilating fans are started according to the types of the detected waste gas, at the moment, airflow in the detecting box enters the connecting boxes through air outlets, is filtered by the filter plates in the connecting boxes and then is exhausted from the corresponding ventilating fans, and meanwhile, external fresh air slowly enters the detecting box through a one-way air inlet valve for filling and replacing;

s4, after the ventilation of the equipment is finished, firstly, the power supply is turned off, then the corresponding shifting block is pressed, the shifting block pushes the second push plate to slide towards the direction of the filter plate, the second push plate pushes the clamping block back to the mounting groove, at the moment, the clamping block is separated from the clamping groove, the sealing plate and the filter plate are driven to be pulled upwards through the pull ring, then, the waste gas filtering particles on the filter plate can be further detected, or the filter plate is cleaned, after the treatment is finished, the filter plate penetrates through the top plate and is inserted back into the connecting box, when the clamping block on one side of the filter plate slides to the clamping groove, the clamping block is clamped in the clamping groove through the thrust of the second spring, the fixation of the filter plate is completed, meanwhile, the sealing plate is attached to the top of the top plate, and the waste gas leakage is prevented.

Compared with the prior art, the invention has the beneficial effects that:

the two independent air outlets, the ventilation fan and the two filter plates made of different materials are arranged, so that different types of waste gas can be better filtered, and the influence of the waste gas on workers when the workers use the equipment is prevented;

the base mechanism is convenient for rapidly fixing and limiting the containing bottles with different sizes, and is also convenient for taking after detection is finished;

the waste gas in the storage bottle can be better detected through the detection mechanism, and the detachable backing plate can be used for better disassembling and cleaning the used opening cutter;

the clamping component is convenient for better quick installation and disassembly of the filter plate, time and labor are saved, and therefore the exhaust gas on the corresponding filter plate can be more conveniently filtered, particles can be further detected, and the filter plate can be cleaned.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural diagram of the base mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the clamping block of the present invention;

FIG. 4 is a schematic structural diagram of the detecting mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the receiving bottle of the present invention;

FIG. 6 is a rear view of the detection box of the present invention;

FIG. 7 is a schematic structural view of a fastening assembly according to the present invention;

fig. 8 is an enlarged view of the invention at a.

In the figure: 1. a detection box; 2. a sealing door; 3. a base mechanism; 31. a base; 32. a chute; 33. a slide bar; 34. a limiting block; 35. a slider; 36. a clamping block; 37. a first spring; 4. a detection mechanism; 41. a top seat; 42. a sliding plate; 43. an electric telescopic rod; 44. a detector; 45. a base plate; 46. an opening knife; 47. a backing ring; 5. an air outlet; 6. a connection box; 7. a ventilation fan; 8. filtering the plate; 9. a top plate; 10. a sealing plate; 11. a pull ring; 12. clamping the assembly; 121. mounting grooves; 122. a first push plate; 123. a second spring; 124. a card slot; 125. a clamping block; 126. a second push plate; 127. a connecting rod; 128. shifting blocks; 129. a third spring; 13. a storage bottle; 14. tin foil paper; 15. a control panel; 16. a one-way intake valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a waste gas detection device comprises a detection box 1, a base mechanism 3, a detection mechanism 4 and a containing bottle 13, wherein one side of the detection box 1 is rotatably connected with a sealing door 2, the bottom of the inner wall of the detection box 1 is provided with the base mechanism 3, the top of the inner wall of the detection box 1 is provided with the detection mechanism 4, one side of the inner wall of the detection box 1, which is far away from the sealing door 2, is of a trapezoidal structure, one side of the inner wall of the detection box 1, which is far away from the sealing door 2, is symmetrically provided with two air outlets 5, one side of the detection box 1 and the positions corresponding to the two air outlets 5 are fixedly connected with connecting boxes 6, one sides of the two connecting boxes 6, which are far away from the detection box 1, are fixedly provided with air exchange fans 7, the middle parts of the insides of the two connecting boxes 6 are respectively provided with a filter plate 8, the tops of the connecting boxes 6 are fixedly provided with a top plate 9, the bottoms of the filter plates 8 penetrate through the top plate 9 and are contacted with the bottoms of the inner walls of the connecting boxes 6, the top of the filter plate 8 extends to the top of the top plate 9 and is fixedly connected with a sealing plate 10, the top of the sealing plate 10 is fixedly connected with a pull ring 11, a clamping component 12 is arranged inside the top plate 9, the sealing door 2 is used for preventing detection gas from leaking, and two independent air outlets 5, a ventilation fan 7 and two filter plates 8 made of different materials are arranged to facilitate better filtering treatment on different types of waste gas, so that the influence of the waste gas on a worker when the worker uses the device is prevented;

the base mechanism 3 comprises a base 31, the bottom of the inner wall of the detection box 1 is rotatably connected with the base 31, a sliding groove 32 is formed in the base 31, a sliding rod 33 is fixedly connected in the base 31, a limiting block 34 is fixedly connected in the middle of the outer side of the sliding rod 33, sliding blocks 35 are symmetrically and slidably connected in the outer side of the sliding rod 33, clamping blocks 36 are fixedly connected to the tops of the two sliding blocks 35, a first spring 37 is sleeved on the outer side of the sliding rod 33 and on the side, away from the two sliding blocks 35, of the outer side of the sliding rod 33, the base mechanism 3 is convenient for rapidly fixing and limiting the storage bottles 13 of different sizes, and meanwhile, the storage bottles are convenient to take after detection is finished;

the containing bottle 13 is placed on the top of the base mechanism 3, and the top of the containing bottle 13 is adhered with tinfoil paper 14.

Further, one side of the two clamping blocks 36 close to each other is of an arc-shaped structure, the top of the clamping block 36 is of a slope-shaped structure, and the receiving bottle 13 is inserted between the two clamping blocks 36.

Further, the detection mechanism 4 includes a top seat 41, the top seat 41 is fixedly connected to the top of the inner wall of the detection box 1, a sliding plate 42 is slidably connected to the inside of the top seat 41, an electric telescopic rod 43 is rotatably connected to one end of the top of the inner wall of the top seat 41, the end of a piston rod of the electric telescopic rod 43 is rotatably connected to one end of the top of the sliding plate 42, a detector 44 is fixedly connected to the bottom of the sliding plate 42, a backing plate 45 is rotatably clamped to the bottom of the detector 44, a detection head of the detector 44 penetrates below the backing plate 45, opening knives 46 are symmetrically and fixedly connected to the bottom of the backing plate 45 and located on two sides of the detection head of the detector 44, a backing ring 47 is fixedly installed at the bottom of the inner wall of the top seat 41, the backing ring 47 is matched with the sliding plate 42 in size, and the detection mechanism 4 is convenient for better detecting the waste gas in the storage bottle 13, meanwhile, the detachable backing plate 45 facilitates better disassembling and cleaning of the used opening knife 46.

Further, one end of the bottom of the opening knife 46 forms a forty-five included angle with a vertical surface, and the detection mechanism 4 and the base mechanism 3 are located in the same vertical surface.

Further, the clamping component 12 includes a mounting groove 121, the mounting groove 121 is formed in the top of the interior of the filter plate 8, the first push plate 122 is slidably connected to the interior of the mounting groove 121, the second spring 123 is fixedly connected to one side of the first push plate 122, the clamping groove 124 is formed in the interior of the top plate 9 and at the end close to the mounting groove 121, the clamping block 125 is fixedly connected to one side of the first push plate 122 away from the second spring 123, the clamping block 125 penetrates through the filter plate 8 and extends into the clamping groove 124, the second push plate 126 is slidably connected to the end of the clamping groove 124 and at the end far away from the clamping block 125, the connecting rod 127 is fixedly connected to one side of the second push plate 126 away from the clamping block 125, one end of the connecting rod 127 away from the second push plate 126 extends to the outer side of the top plate 9 and is fixedly connected with a shifting block 128, the outer side of the connecting rod 127 and the outer side of the top plate 9 are sleeved with a third spring 129, through the block subassembly 12 be convenient for better to filter plate 8 install fast and dismantle labour saving and time saving to can be more convenient carry out further detection and clear up filter plate 8 to the waste gas filter particle thing on the corresponding filter plate 8.

Furthermore, the bottom of the inner wall of the connecting box 6 is of a V-shaped structure.

Further, a one-way air inlet valve 16 is fixedly installed at the bottom of the outer side of the sealing door 2, and the one-way air inlet valve 16 is communicated with the inside of the detection box 1.

Further, a control panel 15 is fixedly mounted at the top of the detection box 1, and the electric telescopic rod 43, the detector 44 and the two ventilation fans 7 are electrically connected with the control panel 15.

The invention also provides a waste gas detection method, which comprises the following steps:

s1, firstly moving the equipment to a designated position, then opening the sealing door 2, then rotating the base 31 to a proper angle, placing the containing bottle 13 filled with industrial waste gas or domestic waste gas on the top of the base 31, ejecting the two clamping blocks 36 from the bottom of the containing bottle 13, simultaneously sliding the two sliding blocks 35 in a far-away direction, and when the containing bottle 13 is completely attached to the top of the base 31, enabling the two sliding blocks 35 to slide in a close-together direction through the elasticity of the two first springs 37 and driving the two clamping blocks 36 to clamp the containing bottle 13;

s2, closing the sealing door 2 and starting a power supply of the device, opening the electric telescopic rod 43 through the control panel 15, pushing the sliding plate 42 to move downwards by the piston rod of the electric telescopic rod 43, further driving the detector 44 to move downwards, puncturing the tin foil paper 14 by the opening knife 46 when the detector 44 moves downwards, extending the detection head of the detector 44 into the containing bottle 13, simultaneously attaching the backing plate 45 to the bottle mouth of the containing bottle 13 to prevent the gas from diffusing and diluting, detecting the gas in the containing bottle 13, pulling the sliding plate 42 by the electric telescopic rod 43 to restore the original position after the detection is finished, and dispersing the waste gas in the containing bottle 13 in the detection box 1 at the moment;

s3, the filter plates 8 in the two connecting boxes 6 are made of different materials and are respectively used for filtering industrial waste gas and domestic waste gas, the corresponding ventilating fans 7 are started according to the types of the detected waste gas, at the moment, airflow in the detection box 1 enters the connecting boxes 6 through the air outlets 5 and is exhausted from the corresponding ventilating fans 7 after being filtered by the filter plates 8 in the connecting boxes 6, and meanwhile, external fresh air slowly enters the detection box 1 through the one-way air inlet valve 16 for filling and replacing;

s4, after the ventilation of the device is completed, the power supply is first turned off, then the corresponding shifting block 128 is pressed, the shifting block 128 pushes the second push plate 126 to slide toward the filter plate 8, the second push plate 126 pushes the clamping block 125 back into the mounting groove 121, at this time, the clamping block 125 is separated from the clamping groove 124, the pull ring 11 drives the sealing plate 10 and the filter plate 8 to pull upward, and then the exhaust gas filtering particles on the filter plate 8 can be further detected, or the filter plate 8 is cleaned, after the treatment is completed, the filter plate 8 is inserted back into the connecting box 6 through the top plate 9, and when the clamping block 125 on one side of the filter plate 8 slides to the clamping groove 124, the clamping block is clamped in the clamping groove 124 by the pushing force of the second spring 123, so as to complete the fixation of the filter plate 8, and the sealing plate 10 is attached to the top of the top plate 9, thereby preventing the exhaust gas from leaking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.