CN220063559U - Sampling device - Google Patents

Abstract

The utility model discloses a sampling device, which belongs to the technical field of air detection and comprises a sampling frame, a sampling groove, an air guide frame A, an air guide frame B, a fan A, an air guide port A, a detection groove, an impurity disc, a sealing cover plate, a dust screen, a fan B, an air guide port B, an air detector and a detection head, wherein the sampling groove is fixedly arranged above the sampling frame, the air guide frame A is embedded and arranged at the side of the sampling groove, and the dust screen is connected at the side of the air guide frame A through bolts. According to the utility model, the air is guided out of the other air guide port B to the detection groove, the air detector is opened by a worker, so that when the air contacts the detection head, the collected air quality is detected, after a certain amount of fluoride is collected, the blower A and the blower B are closed by the worker, the sealing cover plate is opened, the impurity disc with dust particles and fluoride is carried to the detection site, the fluoride is detected, and the fluoride in the air is conveniently sampled by the worker.

Description

Sampling device

Technical Field

The utility model belongs to the technical field of air detection, and particularly relates to a sampling device.

Background

The air detection is to sample and detect harmful substances contained in the air, so as to obtain a plurality of factors causing pollution to the air and the pollution concentration, and treat factors affecting the air quality, so that a sampling device is needed.

According to the search, the application number is CN202123136674.9, the fluoride sampler is provided with a sampling device and a control module, the sampling device and the control module are arranged on an unmanned aerial vehicle, the unmanned aerial vehicle can be driven to operate to a position needing to be sampled, the sampling device can realize remote control sampling, the sampling device adopts a piston negative pressure principle, the operation is stable and reliable, the obtained air sample is not easy to leak, and meanwhile, the filter can prevent the sampler from obtaining large particle impurities in the air; the disadvantages are as follows:

when a worker uses the fluoride sampler to sample air containing fluoride at a designated place, a piston rod is pulled to drive a piston to slide in a sample storage device, negative pressure is generated in the sample storage device to suck the air containing fluoride outside into the sample storage device for collection, and when the outside air is sucked into the sampler through a piston negative pressure principle, the filter is fixed at an air suction port, so that fluoride particles in the air can directly block the filter after long-time use, the sampling of the air containing fluoride is easily affected, and meanwhile, the fluoride sampler is not provided with a device capable of purifying the air, so that the air containing fluoride can directly cause secondary pollution to surrounding air when the air is guided out of the sample storage device.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the fluoride sampler has relatively poor sampling effect and is not provided with a device capable of purifying air, the fluoride sampler is provided with a sampling device.

The technical scheme adopted by the utility model is as follows: the sampling device comprises a sampling frame, a sampling groove, an air guide frame A, an air guide frame B, a fan A, an air guide port A, a detection groove, an impurity disc, a sealing cover plate, a dustproof net, a fan B, an air guide port B, an air detector and a detection head, wherein the sampling groove is fixedly arranged above the sampling frame, the air guide frame A is embedded and arranged on the side of the sampling groove, the dustproof net is connected to the side of the air guide frame A through bolts, the fan B is fixedly arranged in the air guide frame A, the detection groove is fixedly arranged on the side of the inside of the sampling frame, the air guide port B is embedded and arranged on the side of the inner wall of the air guide frame A and the side of the detection groove, the air guide port B is connected with the fan B through an air guide pipe, the air guide frame B is embedded and arranged on the side of the sampling groove close to the side of the air guide frame A, the novel fluoride particle sampling device is characterized in that a fan A is fixedly installed inside the air guide frame B, air guide openings A are embedded in two sides of the air guide frame B, the air guide openings A are connected with the fan A through air guide pipes, an impurity disc is arranged below the inside of the sampling groove, the front of the sampling groove is hinged to the front of the impurity disc, an air detector is fixedly installed above the detecting groove, a detection head is arranged below the air detector in a matched mode, the detection head extends inside the detecting groove, fluoride particle sampling mechanisms which are convenient for workers to collect and sample fluoride particles in air are arranged inside the sampling groove, and a spray purification mechanism which can purify fluoride gas after detection is arranged inside the detecting groove.

The fluoride particle sampling mechanism comprises a supporting frame, a servo motor A, an eccentric wheel, an air filter screen, a sliding frame, sliding grooves and telescopic rods, wherein the supporting frame is slidably arranged above the inside of the sampling groove, the two sides above the supporting frame and the two sides above the sampling groove are connected through bolts, the air filter screen is rotatably arranged below the supporting frame through bearings, the sliding grooves are embedded in the position, close to the upper part of the air filter screen, of the supporting frame, and are arranged in an arc shape, the sliding frames are fixedly arranged above the air filter screen, the sliding frames are slidably arranged on the inner sides of the sliding grooves, the telescopic rods are rotatably arranged between the side parts of the inner walls of the sliding grooves and the side parts of the sliding frames through rotary shafts, springs are arranged outside the telescopic rods in a matched mode, the servo motor A is fixedly arranged below the position, close to the side parts of the air filter screen, and the servo motor A is connected with the eccentric wheel through an output shaft.

The spray purification mechanism comprises a servo motor B, a rotating frame, movable blocks, movable rods, electric push rods, regulating plates, sodium hydroxide purifying agent water tanks, water pumps and atomizing nozzles, wherein the servo motor B is fixedly arranged above the detection grooves, the rotating frame is connected with the servo motor B through an output shaft, the U-shaped rotating frame is arranged, the movable blocks are rotatably arranged on two sides of the lower portion of the rotating frame through rotating shafts, the electric push rods are fixedly arranged on the middle portions of the lower portions of the rotating frame, the regulating plates are fixedly arranged on the lower portions of the electric push rods, the movable rods are rotatably arranged between the two sides of the regulating plates and the opposite movable blocks through rotating shafts, the sodium hydroxide purifying agent water tanks are arranged on the upper sides of the detection grooves and close to the rear sides of the servo motor B, the water pumps are embedded in the front of the sodium hydroxide purifying agent water tanks, the atomizing nozzles are embedded in the lower portions of the movable blocks, and the sodium hydroxide purifying agent water tanks, and the water pumps and the atomizing nozzles are connected through water guide hoses.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. this kind of sampling device is through being provided with fluoride granule sampling mechanism, can make the staff pass through the support frame, servo motor A, the eccentric wheel, the airstrainer, the carriage, cooperation between spout and the telescopic link, utilize servo motor A to drive eccentric wheel fast rotation, constantly strike the airstrainer and stretch out and draw back repeatedly through telescopic link and outside spring, promote the airstrainer to rock fast, when can avoid the airstrainer to produce the jam, make things convenient for the staff to carry out the effect of sampling treatment to the fluoride in the air.

2. This kind of sampling device is through being provided with spraying purification mechanism, can make the staff pass through servo motor B, the rotating turret, the movable block, the movable rod, electric putter, the regulating plate, the cooperation between sodium hydroxide purifying agent water tank, water pump and the atomizer, utilize servo motor B to drive the rotating turret clockwise anticlockwise rotation, electric putter promotes the regulating plate activity from top to bottom repeatedly, make movable block and movable rod swing repeatedly through the pivot, drive atomizer swing repeatedly and rotate, the blowout is on a large scale atomized sodium hydroxide purifying agent purifies harmful gas, when can avoid the harmful gas after the detection to discharge outside again, utilize remaining atomized sodium hydroxide purifying agent to purify the treatment to surrounding air.

Drawings

FIG. 1 is a schematic diagram of a front perspective view of a sampling device of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a sampling device according to the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2 at A in accordance with the present utility model;

FIG. 4 is a schematic diagram of the enlarged structure of FIG. 2B in accordance with the present utility model;

fig. 5 is a schematic diagram showing the second enlarged structure of the embodiment B in fig. 2 according to the present utility model.

The marks in the figure: 1. a sampling frame; 101. a sampling groove; 102. an air guide frame A; 103. an air guide frame B; 104. a fan A; 105. an air guide port A; 106. a detection groove; 107. an impurity tray; 108. sealing the cover plate; 109. a dust screen; 2. a fan B; 201. an air guide port B; 3. an air detector; 301. a detection head; 4. a support frame; 401. a servo motor A; 402. an eccentric wheel; 403. an air filter screen; 404. a carriage; 405. a chute; 406. a telescopic rod; 5. a servo motor B; 501. a rotating frame; 502. a movable block; 503. a movable rod; 504. an electric push rod; 505. an adjusting plate; 6. a sodium hydroxide scavenger water tank; 601. a water pump; 602. an atomizing nozzle; 7. a telescopic rod; 8. a servo motor C; 801. an eccentric wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to fig. 1-5, a sampling device comprises a sampling frame 1, a sampling groove 101, an air guide frame a102, an air guide frame B103, a fan a104, an air guide opening a105, a detection groove 106, an impurity disc 107, a sealing cover plate 108, a dust screen 109, a fan B2, an air guide opening B201, an air detector 3 and a detection head 301, wherein the sampling groove 101 is fixedly arranged above the sampling frame 1, the air guide frame a102 is embedded in the side of the sampling groove 101, the dust screen 109 is connected with the side of the air guide frame a102 through bolts, the fan B2 is fixedly arranged in the air guide frame a102, the detection groove 106 is fixedly arranged in the side of the inside of the sampling frame 1, the air guide opening B201 is embedded in the side of the inner wall of the detection groove 106, the air guide opening B201 is connected with the fan B2 through an air guide pipe, the air guide frame B103 is embedded in the side of the sampling groove 101 close to the side of the air guide frame a102, the air guide frame B103 is internally and fixedly provided with the fan A104, air guide openings A105 are embedded in two sides of the air guide frame B103, the air guide openings A105 are connected with the fan A104 through air guide pipes, an impurity disc 107 is arranged below the inner part of the sampling groove 101, the front part of the sampling groove 101 is hinged to the front part of the impurity disc 107, an air detector 3 is fixedly arranged above the detection groove 106, a detection head 301 is arranged below the air detector 3 in a matched mode, the detection head 301 extends inside the detection groove 106, fluoride particle sampling mechanisms which are convenient for workers to collect and sample fluoride particles in air are arranged inside the sampling groove 101, and a spray purification mechanism which can carry out purification treatment on detected fluoride gas is arranged inside the detection groove 106.

Referring to fig. 1-3, further, the fluoride particle sampling mechanism is composed of a supporting frame 4, a servo motor a401, an eccentric wheel 402, an air filter screen 403, a sliding frame 404, a sliding chute 405 and a telescopic rod 406;

the upper part of the inside of the sampling tank 101 is slidably provided with a supporting frame 4, two sides above the supporting frame 4 and two sides above the sampling tank 101 are connected through bolts, an air filter screen 403 is rotatably arranged below the supporting frame 4 through bearings, a chute 405 is embedded and arranged below the supporting frame 4 and close to the upper part of the air filter screen 403, the chute 405 is arranged in an arc shape, a sliding frame 404 is fixedly arranged above the air filter screen 403, the sliding frame 404 is slidably arranged on the inner side of the chute 405, a telescopic rod 406 is rotatably arranged between the inner wall side of the chute 405 and the side of the sliding frame 404 through a rotating shaft, a spring is arranged on the outer side of the telescopic rod 406 in a matching way, a servo motor A401 is fixedly arranged below the supporting frame 4 and close to the side of the air filter screen 403, an eccentric wheel 402 is connected to the servo motor A401 through an output shaft, when workers need to detect fluoride contained in the air quality around a chemical plant, after carrying the sampling frame 1 to a designated place of a detection site, placing the sampling frame on the ground, opening a fan A104 to suck external air into an air guide port A105, leading the air out of a sampling groove 101 from the other air guide port A105 through an air guide pipe, enabling air to contact and pass through an air filter screen 403, at the moment, opening a servo motor A401 by a worker to drive an eccentric wheel 402 to rotate rapidly, continuously striking the air filter screen 403, driving a sliding frame 404 to slide at the inner side of a sliding groove 405 through bearing rotation, pushing a telescopic rod 406 and an outer spring to stretch repeatedly through a rotating shaft, driving the air filter screen 403 to shake left and right rapidly, enabling air to pass through dust particle fluoride remained on the surface of the air filter screen 403, shaking the dust particle fluoride into an impurity disc 107 through the air filter screen 403 to collect, enabling the worker to suck the air filtered by the air filter screen 403 into the air guide port B201, and then the air is guided out of the other air guide port B201 to the detection groove 106, the air detector 3 is opened by a worker, when the air contacts the detection head 301, the collected air quality is detected, after a certain amount of fluoride is collected, the blower A104 and the blower B2 are closed by the worker, the sealing cover plate 108 is opened, the impurity disc 107 with dust particles and fluoride is carried to a detection field, the fluoride is detected, and the fluoride in the air is sampled by the worker conveniently.

Referring to fig. 2 and 4, the spray purification mechanism further comprises a servo motor B5, a rotating frame 501, a movable block 502, a movable rod 503, an electric push rod 504, an adjusting plate 505, a sodium hydroxide purifying agent water tank 6, a water pump 601 and an atomizing nozzle 602;

a servo motor B5 is fixedly arranged above the detection groove 106, the servo motor B5 is connected with a rotating frame 501 through an output shaft, the rotating frame 501 is arranged in a U shape, two sides below the rotating frame 501 are rotatably provided with movable blocks 502 through rotating shafts, an electric push rod 504 is fixedly arranged in the middle below the rotating frame 501, an adjusting plate 505 is fixedly arranged below the end part of the electric push rod 504, movable rods 503 are rotatably arranged between two sides of the adjusting plate 505 and the opposite movable blocks 502 through rotating shafts, a sodium hydroxide purifying agent water tank 6 is arranged above the detection groove 106 and close to the rear side of the servo motor B5, a water pump 601 is embedded in front of the sodium hydroxide purifying agent water tank 6, an atomizing nozzle 602 is embedded below the movable blocks 502, the sodium hydroxide purifying agent water tank 6, the water pump 601 and the atomizing nozzle 602 are connected through water guide hoses, when the fan B2 sucks the air filtered by the air filter screen 403 into the air guide port B201, and then the air is guided out of the other air guide port B201 into the detection groove 106, a worker opens the air detector 3 to enable the air to contact the detection head 301, and opens the servo motor B5 to drive the rotating frame 501 to rotate clockwise by 90 degrees and anticlockwise by 90 degrees repeatedly while detecting the quality of the collected air, and then opens the electric push rod 504 to repeatedly push the adjusting plate 505 to move up and down, so as to drive the movable rod 503 and the movable block 502 to repeatedly swing through the rotating shaft, and simultaneously open the water pump 601 to enable the sodium hydroxide purifying agent in the sodium hydroxide purifying agent water tank 6 to be sprayed out of the atomizing spray head 602 to contact with harmful waste gas in a large extent through the water guide hose, and simultaneously purify the harmful waste gas, the air blown out from the air guide port B201 drives the atomized sodium hydroxide purifying agent and the purified waste gas to be blown out from the opening of the other end of the detection groove 106 to the outside, so that the detected harmful gas can be prevented from being discharged to the outside again, and the residual atomized sodium hydroxide purifying agent is utilized to purify the surrounding air.

Referring to fig. 2-4, further, the fan a104, the fan B2, the servo motor a401, the servo motor B5 and the water pump 601 are all electrically connected with an external power supply through a control panel.

Embodiment two:

as shown in fig. 5, in the embodiment of the utility model, in which an electric push rod 504 is fixedly installed in the middle of the lower part of a rotating frame 501, an adjusting plate 505 is fixedly installed in the lower part of the end part of the electric push rod 504, in addition to another embodiment, a telescopic rod 7 is fixedly installed in the middle of the lower part of the rotating frame 501, a spring is arranged on the outer side of the telescopic rod 7 in a matching way, an adjusting plate 505 is fixedly installed in the lower part of the end part of the telescopic rod 7, a servo motor C8 is fixedly installed on the lower part of the rotating frame 501, which is close to the side of the telescopic rod 7, an eccentric wheel 801 is connected with an output shaft, when air is led out from the other air guide port B201 into a detection groove 106, a worker opens an air detector 3 to enable the air to contact with a detection head 301, and when the collected air quality is detected, the worker opens the servo motor B5 to drive the rotating frame 501 to rotate anticlockwise 90 degrees repeatedly, and then opens the servo motor C8 to drive the eccentric wheel 801 to rotate rapidly, the adjusting plate 505 drives the telescopic rod 7 and the outer spring to repeatedly stretch and push the adjusting plate 505 to move up and down, and drive the movable rod and the movable block 502 to swing repeatedly, and the position of the atomizer 602 can be sprayed out more frequently than the sodium hydroxide, and the atomizing agent can be sprayed out more rapidly, and the atomizing agent can be purified more rapidly, and the atomizing agent can be sprayed more rapidly and the atomizing agent can be sprayed more conveniently 602.

Working principle: firstly, when a worker needs to detect fluoride contained in the air quality around a chemical plant, the worker carries the sampling frame 1 to a designated place of a detection site, opens the fan A104 after being placed on the ground to suck external air into the air guide opening A105 and guide the air out of the sampling groove 101 from the other air guide opening A105 through the air guide pipe, and then the air contacts and passes through the air filter screen 403, at the moment, the worker opens the servo motor A401 to drive the eccentric wheel 402 to rotate rapidly, and continuously hits the air filter screen 403 to drive the sliding frame 404 to slide inside the sliding groove 405 through bearing rotation, pushes the telescopic rod 406 and the outer spring to stretch repeatedly through the rotating shaft, when the air filter screen 403 is driven to shake rapidly left and right, the air passes through dust particle fluoride remained on the surface of the air filter screen 403, and shakes the dust particle fluoride into the impurity disc 107 through the shaked air filter screen 403 to collect the dust particle fluoride, then, the fan B2 sucks the air filtered by the air filter screen 403 into the air guide port B201, then leads the air out of the other air guide port B201 into the detection groove 106, the worker opens the air detector 3 to enable the air to contact the detection head 301, and opens the servo motor B5 to drive the rotating frame 501 to rotate clockwise by 90 degrees and anticlockwise by 90 degrees repeatedly while detecting the quality of the collected air, then opens the electric push rod 504 to repeatedly push the adjusting plate 505 to move up and down, drives the movable rod 503 and the movable block 502 to repeatedly swing through the rotating shaft, drives the atomizing nozzle 602 to continuously change the angle and position, simultaneously opens the water pump 601 to enable the sodium hydroxide purifying agent in the sodium hydroxide purifying agent water tank 6 to spray the atomized sodium hydroxide purifying agent to contact with harmful waste gas in a large range from the atomizing nozzle 602 through the water guide hose, and simultaneously purifies the harmful waste gas, the air blown out from the air guide port B201 drives atomized sodium hydroxide purifying agent and purified waste gas to blow out from the opening of the other end of the detection groove 106 to the outside, so that the detected harmful gas is prevented from being discharged to the outside again, the residual atomized sodium hydroxide purifying agent is utilized to purify the surrounding air, finally, after a certain amount of fluoride is collected, a worker closes the fan A104 and the fan B2, opens the sealing cover plate 108, carries the impurity disc 107 with the collected dust particle fluoride to a detection field, and detects the fluoride.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a sampling device, includes sampling frame (1), sampling groove (101), wind guiding frame A (102), wind guiding frame B (103), fan A (104), wind guiding frame A (105), detection groove (106), impurity dish (107), sealed apron (108), dust screen (109), fan B (2), wind guiding frame B (201), air detector (3) and detecting head (301), sampling frame (1) top fixed mounting has sampling groove (101), sampling groove (101) side embedding is provided with wind guiding frame A (102), wind guiding frame A (102) side is through bolted connection has dust screen (109), wind guiding frame A (102) internally fixed mounting has fan B (2), sampling frame A (1) inside side fixed mounting has detection groove (106), wind guiding frame A (102) side and detection groove (106) inner wall side all are provided with wind guiding frame B (201), and connect through wind guiding frame B (2), wind guiding frame A (103) side embedding is provided with wind guiding frame A (103), wind guiding frame A (102) side embedding is provided with wind guiding frame A (103) both sides (105) and is provided with wind guiding frame A (103) side embedding wind guiding frame A (104), and connect through the guide duct between air duct A (105) and fan A (104), sampling groove (101) inside below is provided with impurity dish (107), sampling groove (101) the place ahead is close to impurity dish (107) the place ahead and articulates and be provided with impurity dish (107), detection groove (106) top fixed mounting has air detector (3), supporting detection head (301) that are provided with in air detector (3) below, and detection head (301) extend inside detection groove (106), its characterized in that: the fluoride particle sampling mechanism is arranged in the sampling groove (101) and is convenient for workers to collect and sample fluoride particles in the air, and the spray purification mechanism is arranged on the inner side of the detection groove (106) and can purify the detected fluoride gas.

2. A sampling device according to claim 1, wherein: the fluoride particle sampling mechanism consists of a supporting frame (4), a servo motor A (401), an eccentric wheel (402), an air filter screen (403), a sliding frame (404), a sliding chute (405) and a telescopic rod (406);

the utility model discloses a sampling groove, including sampling groove (101), support frame (4) top both sides and sampling groove (101) top both sides are connected through the bolt, support frame (4) below is provided with airstrainer (403) through the bearing rotation, support frame (4) below is close to airstrainer (403) top embedding and is provided with spout (405), airstrainer (403) top fixed mounting has carriage (404), and carriage (404) slide and set up in spout (405) inboard, be provided with telescopic link (406) through the pivot rotation between spout (405) inner wall side and carriage (404) side, and telescopic link (406) outside supporting is provided with the spring, support frame (4) below is close to airstrainer (403) side fixed mounting and has servo motor A (401), servo motor A (401) have eccentric wheel (402) through output shaft.

3. A sampling device according to claim 1, wherein: the spray purification mechanism consists of a servo motor B (5), a rotating frame (501), a movable block (502), a movable rod (503), an electric push rod (504), an adjusting plate (505), a sodium hydroxide purifying agent water tank (6), a water pump (601) and an atomizing nozzle (602);

the utility model discloses a detection groove, including detection groove (106) top fixed mounting, servo motor B (5) have rotating frame (501) through the output shaft, rotating frame (501) below both sides are provided with movable block (502) through the pivot rotation, rotating frame (501) below middle part fixed mounting has electric putter (504), electric putter (504) tip below fixed mounting has regulating plate (505), all be provided with movable rod (503) through the pivot rotation between regulating plate (505) both sides and relative movable block (502), detection groove (106) top is close to servo motor B (5) rear side and is provided with sodium hydroxide purifier water tank (6), sodium hydroxide purifier water tank (6) the place ahead embedding is provided with water pump (601), movable block (502) below embedding is provided with atomizer (602).

4. A sampling device according to claim 2, wherein: the sliding groove (405) is arranged in an arc shape.

5. A sampling device according to claim 3, wherein: the rotating frame (501) is arranged in a U shape.

6. A sampling device according to claim 3, wherein: the sodium hydroxide purifying agent water tank (6), the water pump (601) and the atomizing nozzle (602) are connected through a water guide hose.