CN113820242A

CN113820242A - Air sampling detection system

Info

Publication number: CN113820242A
Application number: CN202110968940.XA
Authority: CN
Inventors: 王顺江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-12-21

Abstract

The invention provides an air sampling detection system, and relates to the technical field of air detection equipment. This air sampling detecting system includes gas bomb and casing, the inside fixed subassembly that is provided with of gas bomb, fixed subassembly is including solid fixed ring and filter membrane, the inside fixedly connected with mounting bracket of gas bomb, mounting bracket top fixedly connected with pressure sensors, a plurality of gag lever posts of casing bottom fixedly connected with, a plurality of spacing grooves have been seted up at the gas bomb top, gas bomb outside top cover is equipped with fixed cover, fixed cover and gas bomb fixed connection, fixed cover top fixedly connected with snap ring, casing outside bottom is rotated and is connected with the rotation cover. This air sampling detecting system is favorable to carrying on spacingly to solid fixed ring, increases solid fixed ring's stability, is convenient for change solid fixed ring and filter membrane, is favorable to increasing detection efficiency, improves and detects the precision, convenient the detection.

Description

Air sampling detection system

Technical Field

The invention relates to a detector, in particular to an air sampling detection system, and belongs to the technical field of air detection equipment.

Background

Along with the development of industry and the continuous improvement of living standard of people, the detection requirement on air is more and more, the detection equipment is more and more diversified and specialized, aiming at different detection requirements, technicians in the field design various specialized detection equipment, the prior equipment for detecting certain parameters of air, such as the humidity of the air and the content of floating dust and dregs in the air, has high sensitivity, but is mostly directly detected by high-precision components, due to the high technical performance of the detection principle and the professionalism that general staff cannot objectively understand the principle, the detection result of the equipment is accurate or not, so that a user cannot intuitively perceive and overhaul the corresponding detection component, the detection on a general occasion is not intuitive and understandable, the maintenance is difficult, and whether the equipment is basically normal or not cannot be judged. For example, the air pollution is more and more serious due to the appearance of heavy industry, wherein the air pollution caused by floating dust is a main pollution, which has attracted wide attention, and the national management and functional departments have been listed in the normal detection, publishing and forecasting categories.

The existing method for detecting and weighing floating dust is complex, a filter membrane needs to be frequently replaced when the floating dust is detected, the operation is complex, the working efficiency is low, the replacement speed of the filter membrane is slow, the detection time is prolonged, the sealing effect is poor, and errors are easy to occur. In order to routinely and routinely detect air, a plurality of detection devices are usually carried due to the dispersion of the devices, and if any one of the detection devices is omitted, the detection may not be normally carried out, or all data are difficult to obtain in time to evaluate whether certain air quality indexes are reasonable, so that great inconvenience is brought to management and maintenance.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the problems that in the prior art, when air is roughly measured in a general occasion, a plurality of devices are inconvenient to carry, whether the detection result of the devices is accurate or not is puzzled due to the fact that the principle of the devices is difficult to understand by general staff, a user cannot intuitively perceive and overhaul the corresponding detection components, the detection and the use in the general occasion are inconvenient, the filter membrane needs to be frequently replaced when floating dust in the air is detected, the operation is complex, the working efficiency is low, the replacement speed of the filter membrane is low, the detection time is prolonged, the sealing effect is poor, and errors are easy to occur.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an air sampling detection system comprises an air collector, a floating dust detector and a humidity detector, wherein the air collector is used for collecting an air sample, the floating dust detector is used for detecting the floating dust content in the air, the humidity detector is used for detecting the moisture content in the air, and the air collector, the floating dust detector and the humidity detector are communicated in sequence so that the air sample in the air collector flows into the humidity detector after passing through the floating dust detector; the floating dust detector comprises a gas cylinder and a shell, the shell is arranged at the top of the gas cylinder, and a fixing component is arranged in the gas cylinder;

the fixing component comprises a fixing ring and a filter membrane, the fixing ring is embedded at the top of the gas storage bottle, the filter membrane is fixedly connected with the inside of the fixing ring, a support frame is fixedly connected with the top of the support frame, a plurality of limiting rods are fixedly connected with the bottom of the shell, the limiting rods are distributed at the bottom of the shell in an annular array manner, a plurality of limiting grooves are formed in the top of the gas storage bottle and are respectively matched with the limiting rods, a fixing sleeve is sleeved at the top of the outer side of the gas storage bottle and is fixedly connected with the gas storage bottle, a clamping ring is fixedly connected with the top of the fixing sleeve, a rotating sleeve is rotatably connected with the bottom of the outer side of the shell and is matched with the clamping ring, a plurality of oblique strips extending along the depth direction of the rotating sleeve are processed in the rotating sleeve, and oblique grooves matched with the oblique strips are processed on the outer side of the clamping ring, the clamping ring and the rotating sleeve rotate when moving axially; the bottom of the gas bomb is fixedly connected with a supporting seat, and the bottom of the supporting seat is fixedly connected with a base; the two sides of the top of the base are fixedly connected with electric push rods, and the output ends of the electric push rods penetrate through the limiting rings and are in sliding connection with the limiting rings; the bottoms of the two sides of the shell are fixedly connected with fixing rods, and the top end of the output end of the electric push rod is fixedly connected with the fixing rods; an air suction pump is fixedly connected inside the base, and the input end of the air suction pump is communicated with the bottom of the air storage bottle; the base one side fixedly connected with filter screen, the aspirator pump output is corresponding with the filter screen.

Preferably, a sleeve is fixedly connected to the top of the shell, the size of the sleeve is the same as that of the bottom of the gas storage bottle, and an air stop valve is arranged inside the sleeve.

Preferably, the microcomputer is fixedly connected to the front side of the base, and the pressure sensor is electrically connected with the air stop valve and the microcomputer.

The invention provides an air sampling detection system, which has the following beneficial effects: the invention mainly adopts a special collector and a detector for floating dust and humidity, the three modules are combined for use, the portable dust and humidity detector is carried at one time, no omission exists, the air collection and floating dust and humidity detection can be carried out, the convenience is realized, the structure is mainly a mechanical structure which is easy to understand by ordinary people, and common operators can also carry out skilled overhaul and maintenance. Simultaneously, this air sampling detecting system is when detecting, place solid fixed ring in the gas bomb top earlier, make solid fixed ring's last through-hole correspond with the spacing groove, electric putter descends to drive the dead lever and descends, the dead lever descends to drive the casing and descends, rotate when rotating the cover and descend, the direction, combine and the leakproofness is good, the casing descends to drive the gag lever post and descends, the gag lever post descends to the spacing inslot portion, be favorable to spacing solid fixed ring, solid fixed ring's stability is increased, be convenient for change solid fixed ring and filter membrane, be favorable to increasing detection efficiency, improve and detect the precision, a support frame fixed connection is in the pressure sensors bottom, be favorable to supporting the pressure sensors. The casing pipe of the air sampling detection system can be used for connecting an air pipeline to be detected, the air suction pump starts to suck air, after quantitative air is sucked, the air stop valve is controlled to be closed by the microcomputer, the air suction pump sucks the air inside the shell into the air storage bottle, the air passes through the filter membrane, the floating dust cup inside the air is filtered at the top of the filter membrane, the air suction pump stops working, the pressure sensor calculates the pressure of the filter membrane and sends a signal to the microcomputer, the weight of the floating dust is displayed, and the detection is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the floating dust detector of the present invention;

FIG. 2 is a front cross-sectional view of a floating dust detector of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

FIG. 4 is a schematic view showing the connection between the mounting bracket and the pressure sensor of the floating dust detector according to the present invention;

FIG. 5 is a schematic view of the overall structure of the air sampler of the present invention;

FIG. 6 is a side cross-sectional view of the air sampler of the present invention;

FIG. 7 is a schematic view of the construction of the holder and sealing plug of the air sampler of the present invention;

FIG. 8 is a schematic structural view of a filter screen and a fixing frame of the air sampler of the present invention;

FIG. 9 is a schematic view of the overall configuration of the moisture sensor of the present invention;

FIG. 10 is a front view of the floating dust detector of the present invention;

FIG. 11 is an enlarged view of the portion A of FIG. 10;

FIG. 12 is a schematic structural view of a horizontal plate of the floating dust detector according to the present invention;

FIG. 13 is a schematic view of the cone head of the slanted bar of the floating dust detector.

In the figure: 1. a box body; 2. a slide cassette; 3. a collection bottle; 4. a piston; 5. a pull rod; 6. a vertical rod; 7. a rack; 8. a slide bar; 9. a rotating rod; 10. a first gear; 11. a belt pulley; 12. a belt; 13. fixing the rod; 14. a first bevel gear; 15. a connecting rod; 16. a second gear; 17. a second bevel gear; 18. a bottle cap; 19. a third gear; 20. a support frame; 21. a sealing plug; 22. a sleeve; 23. a filter screen; 24. a fixed mount; k1, gas cylinder; k2, shell; k3, fixing ring; k4, filter membrane; k5, a support frame; k6, pressure sensor; k7, a limiting rod; k8, a limiting groove; k9, fixing sleeve; k10, snap ring;

k11, a rotating sleeve; k12, a supporting seat; k13, base; k14, electric push rod; k15, fixing rods; k16, a limit ring; k17, getter pump; k18, a filter screen; k19, sleeve; k20, air stop valve; k21, microcomputer; k22, cone head; k23, torsion spring; c1, a detection box; c2, a display screen; c3, push buttons; c4, air pump; c5, a filter valve; c6, struts; c7, an electronic scale; c8, a transverse plate; c9, side plates; c10, air holes; c11, a flow guide pipe; c12, electromagnetic valve; c13, sample tube; c14, intake valve; c15, fixing rods; c16, a box body; c17, sliding frame; c18, water absorption block; c19, push rod; c20, a guide tube; c21, a limiting plate; c22, a spacer sleeve; c23 and fixing plates.

Detailed Description

The embodiment of the invention provides an air sampling detection system which mainly comprises an air collector, a floating dust detector K and a humidity detector c, wherein the air collector is used for collecting an air sample, the floating dust detector K is used for detecting the floating dust content in air, the humidity detector c is used for detecting the moisture content in air, and the air collector, the floating dust detector K and the humidity detector c are sequentially communicated, so that the air sample in the air collector flows into the humidity detector c after passing through the floating dust detector K. Referring to fig. 1, 2, 3 and 4, the floating dust detector K of the present embodiment includes a gas cylinder K1 and a housing K2, wherein the housing K2 is disposed at the top of the gas cylinder K1, and a fixing component is disposed inside the gas cylinder K1.

The fixing assembly comprises a fixing ring K3 and a filter membrane K4, the fixing ring K3 is embedded at the top of a gas storage bottle K1, the filter membrane K4 is fixedly connected with the inside of a fixing ring K3, the inside of the gas storage bottle K1 is fixedly connected with a support frame K5, the top of the support frame K5 is fixedly connected with a pressure sensor K6, the bottom of the housing K2 is fixedly connected with a plurality of limiting rods K7, the limiting rods K7 are distributed at the bottom of the housing K2 in an annular array manner, the top of the gas storage bottle K1 is provided with a plurality of limiting grooves K8, the limiting grooves K8 are respectively matched with the limiting rods K7, the top of the outer side of the gas storage bottle K1 is sleeved with a fixing sleeve K9, the fixing sleeve K9 is fixedly connected with the gas storage bottle K1, the top of the fixing sleeve K9 is fixedly connected with a snap ring K10, the bottom of the outer side of the housing K2 is rotatably connected with a rotating sleeve K11 capable of rotating in place, and the rotating sleeve K11 is matched with a snap ring 10, the inside processing of rotating cover K11 has a plurality of oblique strips that extend along rotating cover K11 degree of depth direction, snap ring K10 outside processing have with oblique strip complex chute, promptly, rotate cover K11 and resemble the bevel gear circle, snap ring K10 is similar to oblique gear post, when rotating cover K11 and cooperating the cover on snap ring K10, because the axial relative motion between the two and the assistance has just taken place the rotation in the adaptation for rotating cover K11. The gas cylinder is characterized in that the top of the casing K2 is fixedly connected with a casing K19, the size of the casing K19 is the same as that of the bottom of a gas cylinder K1, an air stop valve K20 is arranged inside the casing K19, the front side of the base K13 is fixedly connected with a microcomputer K21, the pressure sensor K6 and the air stop valve K20 are both electrically connected with the microcomputer K21, the bottom of the gas cylinder K1 is fixedly connected with a supporting seat K12, the bottom of the supporting seat K12 is fixedly connected with a base K13, two sides of the top of the base K13 are both fixedly connected with electric push rods K14, the output end of the electric push rod K14 penetrates through a limiting ring K16 and is slidably connected with a limiting ring K16, two sides of the casing K2 are both fixedly connected with fixing rods K15, and the top end of the output end of the electric push rod K14 is fixedly connected with a fixing rod K15.

When the invention is used: during detection, the fixing ring K3 is placed at the top of the gas storage bottle K1, the through hole in the fixing ring K3 corresponds to the limiting groove K8, the electric push rod K14 is started, the output end of the electric push rod K14 is fixedly connected with the fixing rod K15, the electric push rod K14 descends to drive the fixing rod K15 to descend, the output end of the electric push rod K14 penetrates through the limiting ring K16 and is in sliding connection with the limiting ring K16, stability improvement is facilitated, the fixing rod K15 is fixedly connected to two sides of the shell K2, the fixing rod K15 descends to drive the shell K2 to descend, the rotating sleeve K11 is rotatably connected to the outer side of the shell K2, the rotating sleeve K11 and the clamping ring K10 are connected through the inclined bars and the inclined grooves, rotation is automatically performed when the rotating sleeve K11 descends, tightness of the combination of the shell K2 and the gas storage bottle K1 is improved, and certain mechanical hard sealing performance can be achieved. Casing K2 bottom a plurality of gag lever posts K7 of fixedly connected with, and a plurality of gag lever posts K7 are corresponding with a plurality of spacing grooves K8 respectively, casing K2 descends and drives gag lever post K7 and descends, gag lever post K7 descends inside spacing groove K8, be favorable to spacing solid fixed ring K3, increase the stability after solid fixed ring K3 installs, be convenient for change solid fixed ring K3 and filter membrane K4, and be convenient for remove the gred, be favorable to increasing detection efficiency, improve and detect the precision, prop up dress frame K5 fixed connection in pressure sensors K6 bottom, be favorable to supporting pressure sensors K6.

Referring to fig. 1 and 2 again, an air suction pump K17 is fixedly connected inside the base K13, an input end of the air suction pump K17 is communicated with the bottom of the gas bomb K1, a filter screen K18 is fixedly connected at an outlet at one side of the base K13, an output end of the air suction pump K17 corresponds to the filter screen K18, and the filter screen K18 can fully filter out solid impurities in the air.

When the invention is used: casing K19 can connect the air conduit that needs the detection, aspirator pump K17 starts to breathe in, after inhaling quantitative air, microcomputer K21 control air-stop valve K20 closes, aspirator pump K17 inhales the inside air of casing K2 into gas bomb K1 inside, make the air pass through filter membrane K4, make the inside floating dust cup of air filter at filter membrane K4 top, aspirator pump K17 stop work, pressure sensor K6 calculates and sends the signal for microcomputer K21 to the pressure of filter membrane K4, show the weight of floating dust, convenient the detection.

In the specific manufacturing process, as shown in fig. 13, the bottom end of the oblique strip is a conical head K22 with four arc-shaped side faces, and every two of the four arc-shaped side faces are arranged oppositely, so that the oblique strip can be inserted into the oblique groove more smoothly when the rotating sleeve K11 descends. Meanwhile, when the pneumatic cylinder is installed, the rotating sleeve K11 is connected with the fixing rod K15 through the torsion spring K23, so that when the gas storage cylinder K1 is separated from the shell K2, the rotating sleeve K11 can restore the original position rapidly, and meanwhile, the separation of the oblique strip and the oblique groove is accelerated.

In the above design, the seal between the rotating sleeve K11 and the snap ring K10 may also be a gasket seal directly similar to a bottle cap and a bottle mouth, which is a conventional seal structure and thus will not be described in detail.

For the design and manufacture of the air collector, please refer to fig. 5-8, which specifically includes a box body 1, a sliding box 2 and a collection bottle 3, wherein the sliding box 2 is fixedly connected with the top of the box body 1, the collection bottle 3 is arranged inside the box body 1, and a sealing component is arranged inside the box body 1.

The sealing component comprises a bottle cap 18 and a third gear 19, the bottle cap 18 is arranged on the front side of the collecting bottle 3, the third gear 19 is fixedly connected to the outer side of the bottle cap 18, a piston 4 is arranged in the collecting bottle 3, the piston 4 is connected with the inner side of the collecting bottle 3 in a sliding manner, one side of the piston 4 is fixedly connected with a pull rod 5, the pull rod 5 penetrates through the collecting bottle 3 and is connected with the collecting bottle 3 in a sliding manner, the top of one end, extending to the outer side of the collecting bottle 3, of the pull rod 5 is connected with a vertical rod 6 in a threaded manner, the top of the vertical rod 6 is fixedly connected with a rack 7, the rack 7 penetrates through the side wall of the sliding box 2 and is connected with the sliding box 2 in a sliding manner, one side of the top of the rack 7 is fixedly connected with a sliding rod 8, the inner part of the sliding box 2 is rotatably connected with a rotating rod 9, one side of the rack 7 is connected with a first gear 10 in a meshing manner, the rotating rod 9 penetrates through the top of the first gear 10 and is fixedly connected with the first gear 10, the rotating rod 9 penetrates through the top of the box body 1 and is rotatably connected with the box body 1, the bull stick 9 extends to the inside one end fixedly connected with belt pulley 11 of box body 1, the quantity of belt pulley 11 is provided with two, 1 inside top of box body is rotated and is connected with dead lever 13, another belt pulley 11 cover locate the dead lever 13 outside and with dead lever 13 fixed connection, two belt pulley 11 outside covers are equipped with belt 12, dead lever 13 bottom fixedly connected with first bevel gear 14, 1 inside top fixedly connected with connecting rod 15 of box body, connecting rod 15 bottom is rotated and is connected with second gear 16, second gear 16 one side fixedly connected with second bevel gear 17, second bevel gear 17 is connected with dead lever 13 meshing, second gear 16 is connected with the meshing of third gear 19, the inside processing of bottle lid 18 has the internal thread, the processing of the 3 bottleneck outsides of receiving flask has the external screw thread, bottle lid 18 and 3 bottleneck threaded connection of receiving flask, the air inlet has been seted up to bottle lid 18 front end, the size and the air inlet looks adaptation of sealing plug 21.

When the invention is used: the rack 7 is driven to move by pulling the sliding rod 8, the rack 7 is driven to move, the vertical rod 6 is driven to move by driving the pull rod 5 to move, the pull rod 5 is driven to move to drive the piston 4 to move, the piston 4 slides in the collecting bottle 3 to suck air from the inside of the collecting bottle 3, so that air enters from the air inlet, meanwhile, the rack 7 is driven to rotate by driving the first gear 10, the first gear 10 rotates to drive the rotating rod 9 to rotate, the rotating rod 9 rotates to drive the belt pulley 11 to rotate, the belt pulley 11 drives the fixed rod 13 to rotate by driving the belt 12 to rotate, the fixed rod 13 rotates to drive the first bevel gear 14 to rotate, because the first bevel gear 14 is meshed with the second bevel gear 17, the first bevel gear 14 rotates to drive the second bevel gear 17 to rotate, the second bevel gear 17 rotates to drive the second gear 16 to rotate, the second gear 16 is meshed with the bottle cap 18, the second gear 16 rotates to drive the third gear 19 to rotate, third gear 19 and 18 fixed connection of bottle lid, third gear 19 rotates and drives 18 rotations of bottle lid, and 18 inside processing of bottle lid have an internal thread, and 3 bottleneck outside processing of receiving flask have an external screw thread, and 18 rotations of bottle lid are and be close to the direction of receiving flask 3, because the inside fixedly connected with support 20 of 3 bottlenecks of receiving flask, support 20 one side fixedly connected with horizontal pole, horizontal pole one end fixedly connected with sealing plug 21, the stifled air inlet of sealing plug 21 is favorable to preventing the air leakage.

Referring to fig. 6 and 8 again, the front end of the bottle cap 18 is fixedly connected with a sleeve 22, the rear side of the box body 1 is fixedly connected with a fixing frame 24, a filter screen 23 is clamped in the fixing frame 24, the pull rod 5 penetrates through the filter screen 23 and is in sliding connection with the filter screen 23, the rear side of the collecting bottle 3 is provided with a plurality of through holes, and the front side of the box body 1 is provided with vent holes.

When the invention is used: when detecting the air, establish the gas-supply pipe at sleeve pipe 22 outside cover, pull back slide bar 8, make slide bar 8 drive 7 one ends of rack, 7 one ends of rack drive montant 6 one end, montant 6 drives pull rod 5 and promotes piston 4, be favorable to discharging the air that collecting bottle 3 inside was collected inside the gas-supply pipe, prevent other air and the air mixing of collection, cause the testing result error to appear, because 1 rear side fixedly connected with mount 24 of box body, the inside joint of mount 24 has filter screen 23, be favorable to preventing that dust from getting into box body 1 and collecting bottle 3 insidely in the air, convenient the dismantlement simultaneously, be convenient for wash the change.

In detail, referring to fig. 9-12, the structure of the humidity detector includes a detection box c1, a display screen c2 and an air pump c4, the display screen c2 is fixedly connected to the front side of the detection box c1, the front side of the display screen c2 is electrically connected to a button c3, the air pump c4 is fixedly connected to one side of the detection box c1, an air inlet of the air pump c4 extends into the detection box c1, the outer side of the air inlet of the air pump c4 is fixedly connected to a filter valve c5, one side of the filter valve c5 is fixedly connected to the side wall of the inner cavity of the detection box c1, the cross-sectional shape of the filter valve c5 is semicircular, the air pump c4 is electrically connected to the display screen c2, and a detection mechanism is disposed inside the detection box c 1;

the detection mechanism comprises an electronic scale c7 and two transverse plates c8, the electronic scale c7 is fixedly connected to the bottom of one transverse plate c8, the bottom of the electronic scale c7 is fixedly connected with a supporting rod c6, the bottom of the supporting rod c6 is fixedly connected with the bottom of an inner cavity of a detection box c1, the top of the transverse plate c8 is provided with a flow guide pipe c11, the top of the flow guide pipe c11 is fixedly connected with a solenoid valve c12, the solenoid valve c12 is electrically connected with a button c3, the top of the solenoid valve c12 is fixedly connected with a sample pipe c13, the top of the sample pipe c13 penetrates through the top of the detection box c1 and is fixedly connected with the detection box c1, one side of the sample pipe c13 is fixedly connected with an air inlet valve c14, the air inlet valve c14 is fixedly connected with the top of the detection box c1, the top of the other transverse plate c8 is provided with a box c16, one transverse plate c8 is provided with a chute, the chute is arranged on one side of the flow guide pipe c11, the side far away from the box c16, the box c16 is provided with a plurality of sliding frames 17, the two sides of the box c 85c 8 are fixedly connected with side plates 9, the sliding frame c17 is arranged between two side plates c9, the cross section of the sliding frame c17 is in a T shape, a water absorption block c18 is fixedly connected inside a plurality of sliding frames c17, a plurality of air holes c10 are formed in the bottoms of the outer sides of the sliding frames c17, a guide pipe c20 is fixedly connected to the bottom of the other side of the detection box c1, a push rod c19 is arranged inside a guide pipe c20, a push rod c19 is arranged at the bottom of the box c16, a handle is fixedly connected to one end of the push rod c19, the cross section of the handle is in a semicircular shape, the handle is arranged outside the detection box c1, a limit plate c21 is sleeved outside the push rod c19, the limit plate c21 is arranged between the guide pipe c20 and the handle, an isolation sleeve c22 is sleeved outside the push rod 19, and one end of the isolation sleeve c22 is fixedly connected with the guide pipe c 20.

Specifically, the air suction pump c4 and the electronic scale c7 are controlled to start to work through the display screen c2, and the filter valve c4 fixedly connected to the outer side of the air inlet of the air suction pump c4 is arranged inside the detection box c4, so that the air in the detection box c4 and the guide pipe c4 arranged inside the detection box c4 can be sucked through the air suction pump c4, the purpose of improving the measurement accuracy of the electronic scale c4 is achieved, then the push rod c4 arranged inside the guide pipe c4 fixedly connected to the other side of the detection box c4 is pushed, the isolation sleeve c4 is sleeved outside the push rod c4, the push rod c4 is arranged at the bottom of the box c4, so that the push rod c4 fixed with the limit plate c4 pushes the slide frame c4 sliding down from the inside the box c4 to move on the top of the transverse plate c4, and the slide frame 4 is pushed to open the electromagnetic valve c4 to enable the top of the sample tube 4 connected with the top of the sample 4 and fixed by the electronic scale c4 to enter the top of the slide tube 4 c4 and the top of the sample 4 fixed 4 And at this time, one sliding frame c17 moves to the bottom of the draft tube c11, so that the sample gas can enter the detection box c1 from an air hole c10 formed in the bottom of the outer side of the sliding frame c17 after passing through the water absorption block c18 fixedly connected with the inside of the sliding frame c17, the purpose of absorbing and intercepting the water in the sample gas by the water absorption block c18 is achieved, meanwhile, the weight of the water absorption block c18 and the sliding frame c17 after absorbing the water is detected by the electronic scale c7, and finally, the water-containing weight of the gas sample contained in the sample tube c13 is displayed by the display screen c2, so that the sliding frame c17 can be replaced in the detection box c1 quickly, the opening frequency of the detection box c1 is reduced, the influence of the external ambient air on the detection result is reduced, the moisture content detection accuracy is improved, and the workload of workers is reduced.

Referring to fig. 9 and 10 again, a fixing plate c23 is disposed at one side of the box body c16, the fixing plate c23 is fixedly connected to a side wall of an inner cavity of the detection box c1, a fixing rod c15 is fixedly connected to one side of the box body c16, a fixing groove is disposed at one side of the fixing plate c23, the fixing rod c15 extends into the fixing groove, the cross-sectional shape of the fixing rod c15 is semicircular, the fixing rod c15 is attracted to the fixing plate c23, and the fixing plate c23 is disposed at the top of the transverse plate c 8.

Specifically, the position of the box c16 is fixed by the fixing rod c15 fixedly connected with one side of the box c16 and the fixing plate c23 fixedly connected with one side of the inner cavity of the detection box c1, and the fixing rod c15 extends into the fixing groove formed in one side of the fixing plate c23, so that the fixing rod c15 can be separated from the fixing plate c23 by pushing the box c16, the purpose of rapidly detaching the box c16 is achieved, the box c16 and the sliding frame c17 are replaced conveniently and rapidly, a plurality of sliding frames c17 are replaced at one side, the frequency of the arms of workers entering the interior of the detection box c1 is reduced, and potential safety hazards are reduced. To air collector, it is linked together in order to float dirt detector K and moisture detector c, can be that sleeve pipe K19 on the dirt detector K communicates with the receiving flask 3 on the air collector, and on the other hand, just to exit end and detection case c1 or filter valve c5 linking to each other of filter screen K18 department on its base K13, or set up a pipeline and moisture detector c's air inlet pipeline or corresponding air chamber intercommunication alone again, can realize three's body coupling, three module integration is in the same place, accomplish air sample collection in succession, float dirt content measurement and humidity detection, moreover, the steam generator is simple in structure and reliable, the flexibility is strong, can separate out alone when necessary and carry out the independent measurement of float dirt content or humidity.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air sampling detection system characterized by: the air collector is used for collecting an air sample, the floating dust detector K is used for detecting the floating dust content in the air, the moisture detector c is used for detecting the moisture content in the air, and the air collector, the floating dust detector K and the moisture detector c are communicated in sequence, so that the air sample in the air collector flows into the moisture detector c after passing through the floating dust detector K; the floating dust detector K comprises a gas cylinder (K1) and a shell (K2), wherein the shell (K2) is arranged at the top of the gas cylinder (K1), and a fixing component is arranged inside the gas cylinder (K1);

the fixing component comprises a fixing ring (K3) and a filter membrane (K4), the fixing ring (K3) is embedded at the top of a gas storage bottle (K1), the filter membrane (K4) is fixedly connected inside a fixing ring (K3), a support frame (K5) is fixedly connected inside the gas storage bottle (K1), a pressure sensor (K6) is fixedly connected to the top of the support frame (K5), a plurality of limiting rods (K7) are fixedly connected to the bottom of a shell (K2), a plurality of limiting rods (K7) are distributed at the bottom of the shell (K2) in an annular array manner, a plurality of limiting grooves (K8) are formed at the top of the gas storage bottle (K1), the limiting grooves (K8) are respectively matched with the limiting rods (K7), a top fixing sleeve (K9) is sleeved on the outer side of the gas storage bottle (K1), a clamping ring (K9) is fixedly connected with the gas storage bottle (K1), and a top fixing sleeve (K9) is fixedly connected with a clamping ring (K10), the bottom of the outer side of the shell (K2) is rotatably connected with a rotating sleeve (K11), the rotating sleeve (K11) is matched with a clamping ring (K10), a plurality of inclined strips extending along the depth direction of the rotating sleeve (K11) are machined in the rotating sleeve (K11), and inclined grooves matched with the inclined strips are machined in the outer side of the clamping ring (K10), so that when the rotating sleeve (K11) is sleeved on the clamping ring (K10) in a matched mode, the rotating sleeve (K11) can self-adaptively rotate in the axial relative movement process of the rotating sleeve (K11) and the clamping ring (K10);

the bottom of the gas bomb (K1) is fixedly connected with a supporting seat (K12), and the bottom of the supporting seat (K12) is fixedly connected with a base (K13); both sides of the top of the base (K13) are fixedly connected with electric push rods (K14), and the output ends of the electric push rods (K14) penetrate through the limiting ring (K16) and are in sliding connection with the limiting ring (K16); the bottoms of two sides of the shell (K2) are fixedly connected with fixing rods (K15), and the top end of the output end of the electric push rod (K14) is fixedly connected with the fixing rods (K15);

an air suction pump (K17) is fixedly connected inside the base (K13), and the input end of the air suction pump (K17) is communicated with the bottom of the air storage bottle (K1).

2. An air sampling test system according to claim 1, wherein: the exit fixedly connected with filter screen (K18) of base (K13) one side, aspirator pump (K17) output corresponds with filter screen (K18).

3. An air sampling test system according to claim 1, wherein: the gas cylinder is characterized in that a sleeve (K19) is fixedly connected to the top of the shell (K2), the size of the sleeve (K19) is the same as that of the bottom of the gas cylinder (K1), and a gas stop valve (K20) is arranged inside the sleeve (K19).

4. An air sampling test system according to claim 3, wherein: the front side of the base (K13) is fixedly connected with a microcomputer (K21), and the pressure sensor (K6) and the air stop valve (K20) are electrically connected with the microcomputer (K21).

5. An air sampling test system according to claim 1, wherein: the bottom end of the oblique strip is a conical head (K22) with four arc-shaped side faces, and every two of the four arc-shaped side faces are opposite to each other.

6. An air sampling test system according to claim 1, wherein: the rotating sleeve (K11) is connected with the fixed rod (K15) through a torsion spring (K23).