CN215065573U

CN215065573U - Movable type atmosphere detection sampler

Info

Publication number: CN215065573U
Application number: CN202121620436.2U
Authority: CN
Inventors: 姜黎晓
Original assignee: Wuhan Standeyou Testing Co ltd
Current assignee: Chongqing Stende Testing Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-12-07
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a portable atmospheric detection sample thief, include: the sampler comprises a sampler body, a vacuum pumping device, a suction device, a collecting device, a first conduit, a second conduit and a third conduit; the sampler body is of a box structure, a supporting plate is arranged in the sampler body, and the vacuum air pumping device, the air suction device and the collecting device are all arranged above the supporting plate; the first conduit communicates the vacuum suction device with the third conduit, and the second conduit communicates the suction device with the third conduit; the collecting device comprises a plurality of collecting units which are communicated with a third conduit; valves are arranged at the middle parts of the first guide pipe, the second guide pipe and the third guide pipe, and the joints of the third guide pipe and the collecting unit, and the air suction device is provided with an air suction pipe with adjustable length. The utility model provides an atmospheric detection sample thief gathers the not gas sample of designated area co-altitude through the length of adjusting the breathing pipe, collects the gas sample in the appointed collection unit again.

Description

Movable type atmosphere detection sampler

Technical Field

The utility model relates to an atmospheric environment detects the sampling technical field, especially relates to a portable atmospheric detection sample thief.

Background

With the development of the atmosphere monitoring technology in China, the requirements on the scientificity, integrity, accuracy, instrument performance and the like of atmosphere sampling are higher and higher, the atmosphere monitoring means that the quality of the atmosphere and the change trend thereof are determined by measuring representative values of factors influencing the quality of the atmosphere, various sampling detection devices are also produced in order to test the content of various gas components and the content of dust in the atmosphere, and monitoring personnel need to carry the atmosphere sampling devices to a specified place for atmosphere sampling under normal conditions.

At present, the existing atmospheric sampling equipment has certain defects, for example, when a plurality of gas samples are collected in a certain specified area, the heights of sampling points cannot be adjusted, so that the gas samples with different heights cannot be collected, and the current pollutant diffusion situation of the sampling area cannot be accurately analyzed. And because the common traditional atmosphere sampling device self structure is complicated and bulky, and the operation is complicated and the cost is high, and it is inconvenient to carry, the defect that can not remove at will, we need to provide one kind can conveniently remove, can carry out different height samples, easy operation's atmosphere sampling equipment urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of existence among the prior art, the utility model provides a portable atmospheric detection sample thief, include: the sampler comprises a sampler body, a vacuum pumping device, a suction device, a collecting device, a first conduit, a second conduit and a third conduit; the sampler body is of a box structure, a horizontally arranged supporting plate is arranged in the sampler body, and the vacuum air pumping device, the air suction device and the collecting device are all arranged above the supporting plate; the first conduit communicates the vacuum suction device with a third conduit, and the second conduit communicates the suction device with the third conduit; the collecting device is movably connected with the supporting plate and comprises a plurality of collecting units, and the collecting units are communicated with the third guide pipe; valves are arranged at the middle parts of the first guide pipe, the second guide pipe and the third guide pipe and at the joints of the third guide pipe and the collecting unit, and the air suction device is provided with an air suction pipe which is vertically arranged and adjustable in length.

Preferably, the suction device further comprises a connecting sleeve and a suction fan; the connecting sleeve is fixedly installed on the suction fan and provided with an internal thread, an external thread matched with the connecting sleeve is arranged at one end of the air suction pipe, the air suction pipe is in threaded connection with the connecting sleeve, and the air suction pipe is a telescopic pipe formed by sequentially and movably connecting a plurality of sections of guide pipes with gradually reduced diameters end to end.

Preferably, one end of the air suction pipe, which is far away from the connecting sleeve, is connected with an air suction head; the suction head is communicated with the interior of the suction pipe and is of a hollow conical structure, and a filtering membrane is arranged in the suction head.

Preferably, the collecting device further comprises: the device comprises a base, a side plate and a fixing groove; the number of the fixing grooves is equal to that of the collecting units, the fixing grooves are fixedly arranged on the base, and the collecting units are correspondingly arranged in the fixing grooves in a one-to-one matching mode; the side plates are fixedly connected with the base and are arranged vertically to each other, and handles are arranged on the side plates; the lower part of base is equipped with two rectangular shape archs that are parallel to each other, seted up the adaptation in the backup pad the bellied first spout of rectangular shape.

Preferably, the lower part of the base is provided with an accommodating cavity; a limiting block and a spring are arranged in the accommodating cavity; the spring is positioned above the limiting block, the upper end of the spring is fixedly connected with the accommodating cavity, and the lower end of the spring is fixedly connected with the limiting block; one side of the limiting block is hinged with a first connecting rod, one end, far away from the limiting block, of the first connecting rod is hinged with a push rod, and a button is arranged on the push rod; and the supporting plate is provided with a limiting hole matched with the limiting block.

Preferably, a circular bulge is arranged on one side, away from the first connecting rod, of the limiting block; the accommodating cavity is internally provided with a second sliding groove matched with the circular protrusion, and the circular protrusion is connected with the second sliding groove in a sliding manner.

Preferably, the mobile atmosphere detection sampler further comprises: the device comprises a cylinder, a telescopic rod, a movable plate and supporting legs; the air cylinder is fixedly arranged at the bottom of the supporting plate, one end of the telescopic rod is fixedly connected with the air cylinder, and the other end of the telescopic rod is fixedly connected with the movable plate; the four supporting legs are symmetrically arranged relative to the sampler body, and the top ends of the supporting legs are fixedly connected with the movable plate; the sampler is characterized in that a guide groove is formed in the inner side wall of the sampler body, a guide block is connected to the movable plate, and the guide block is movably connected with the guide groove.

Preferably, the bottoms of the four supporting legs are provided with anti-slip pads.

Preferably, the mobile atmosphere detection sampler further comprises a universal wheel; the universal wheels are arranged into four parts and are symmetrically arranged relative to the sampler body, and locking pieces are arranged on the universal wheels.

Preferably, the mobile atmosphere detection sampler further comprises a pushing handle, and the pushing handle is fixedly installed on one side of the sampler body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can come the control to take a sample the gas of the co-altitude not in the specified area through the length of adjusting getter device's breathing pipe to scientific, integrality, the accuracy of sample have been increased, the efficiency of sample has also been promoted simultaneously.

2. The bottom of the utility model is provided with universal wheels and supporting legs, and the universal wheels are convenient for the movement of the whole equipment so as to adapt to the convenience of sampling in different places; after moving equipment to the assigned position, thereby drive the telescopic link through starting the cylinder and extend and drive the supporting legs downstream, until the supporting legs contact and support and lean on ground, the supporting legs be four and for sample thief symmetrical arrangement, the bottom of supporting legs is provided with the slipmat to whole equipment's stability has been strengthened.

3. The collecting device of the utility model comprises a plurality of collecting units which can respectively collect gas samples of different sampling points, and the collecting units are all communicated with a vacuum air extractor and an air suction device; before use, the gas in the collecting unit is discharged through the vacuum air exhaust device, so that the pollution of mixed gas in the sampling process is avoided, and the subsequent detection and analysis results are influenced; and absorbing the gas with the designated height in the designated area into the collecting unit through the suction device.

4. The utility model discloses a collection device and backup pad swing joint, the getting of the sampling unit of can being convenient for is put and is changed, has further increased the utility model discloses a practicality.

To sum up, the utility model discloses have: can take a sample to co-altitude not conveniently, the sample effect has scientificity, accuracy and integrality, easy operation is convenient for remove, advantages such as the efficient practicality of sample is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a mobile air detection sampler provided by the present invention;

fig. 2 is a schematic structural view of a part of a collecting device of a mobile atmospheric detection sampler provided by the present invention;

fig. 3 is an enlarged view of a partial structure of a base of the mobile air detection sampler provided by the present invention;

fig. 4 is a schematic view of an air suction pipe structure of a mobile air detection sampler according to the present invention;

in the figure: 1-sampler body, 2-vacuum pumping device, 3-air suction device, 31-air suction pipe, 32-connecting sleeve, 33-suction fan, 34-air suction head, 35-filter membrane, 4-collection device, 41-collection unit, 42-base, 421-elongated protrusion, 422-containing cavity, 423-limiting block, 424-spring, 425-first connecting rod, 426-push rod, 427-button, 428-circular protrusion, 429-second chute, 43-side plate, 431-handle, 44-fixing groove, 51-first conduit, 52-second conduit, 53-third conduit, 6-supporting plate, 61-first chute, 62-limiting hole, 7-valve, 8-cylinder, 8-air cylinder, 9-telescopic rod, 10-movable plate. 11-supporting feet, 12-guide grooves, 13-guide blocks, 14-anti-skid pads, 15-universal wheels, 151-locking pieces and 16-pushing handles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to figures 1-4: the utility model discloses a portable atmospheric detection sample thief, include: the sampler body 1, the vacuum suction device 2, the suction device 3, the collection device 4, the first conduit 51, the second conduit 52 and the third conduit 53;

the sampler body 1 is of a box structure, a horizontally arranged supporting plate 6 is arranged in the sampler body 1, and the vacuum air pumping device 2, the air suction device 3 and the collecting device 4 are all arranged above the supporting plate 6; the first conduit 51 communicating the vacuum suction device 2 with the third conduit 53, the second conduit 52 communicating the suction device 3 with the third conduit 53; the collecting device 4 is movably connected with the supporting plate 6, the collecting device 4 comprises a plurality of collecting units 41, and the plurality of collecting units 41 are communicated with the third conduit 53; the middle part of the first conduit 51, the middle part of the second conduit 52, and the connection part of the third conduit 53 and the collecting unit 41 are all provided with valves 7.

In this embodiment, before sampling the gas, the valve 7 on the first conduit 51 and the valve 7 at the connection between the third conduit 53 and the collection unit 41 are opened, the valve 7 on the second conduit 52 is closed, and then the vacuum pumping device 2 is opened to exhaust the gas in the collection unit 41, so as to avoid contamination on subsequent sampling.

The suction device 3 includes: an air suction pipe 31, a connecting sleeve 32 and a suction fan 33; the suction pipe 31 is vertically arranged and adjustable in length, the connecting sleeve 32 is fixedly mounted on the suction fan 33, the connecting sleeve 32 is provided with an internal thread, one end of the suction pipe 31 is provided with an external thread matched with the connecting sleeve 32, the suction pipe 31 is in threaded connection with the connecting sleeve 32, and preferably, the suction pipe 31 is a telescopic pipe formed by sequentially and movably connecting a plurality of sections of pipes with gradually reduced diameters end to end.

In this embodiment, during sampling, the valve 7 on the second conduit 52 and the valve 7 between the third conduit 53 and the connection part of the collection unit 41 are opened, the valve 7 on the first conduit 51 is closed, then the length of the suction pipe 31 is adjusted to adapt to sampling of gases at different heights, and then the suction fan 33 of the suction device 3 is started to suck the gases into the collection unit 41; before sampling, the opening and closing of the valve 7 corresponding to the collecting unit 41 are controlled, so that the atmospheric samples at different sampling points are collected in different collecting units 41.

In this embodiment, further, an end of the air suction pipe 31 away from the connecting sleeve 32 is connected with an air suction head 34; the suction head 34 is communicated with the interior of the suction pipe 31, the suction head 34 is of a hollow conical structure, and a filter membrane 35 is arranged in the suction head 34.

The suction head 34 increases the cross-sectional area of the air inlet, so that the working efficiency of the suction device 3 is improved, the filter membrane 35 is arranged in the suction head 34, and the filter membrane 35 can effectively filter particles which do not affect the detection result in the atmosphere.

In this embodiment, further, the collecting device 4 further includes: a base 42, a side plate 43, a fixing groove 44; the number of the fixing grooves 44 is set to be a plurality and is consistent with the number of the collecting units 41, the plurality of fixing grooves 44 are all fixedly installed on the base 42, and the plurality of collecting units 41 are correspondingly arranged in the plurality of fixing grooves 44 in a one-to-one matching manner; the side plate 43 is fixedly connected with the base 42 and is arranged vertically to the base, and a handle 431 is arranged on the side plate 43; the lower part of base 42 is equipped with two rectangular shape archs 421 that are parallel to each other, set up on the backup pad 6 the first spout 61 of adaptation rectangular shape arch 421. Collection device 4 and backup pad 6 carry out swing joint through the protruding 421 cooperation first spout 61 of rectangular shape to can conveniently get getting of collection unit 41 and put and change, when the sample, curb plate 43 can the sealed side of sample thief body 1 of adaptation, and the sample back of finishing can take out collection device 4 from sample thief body 1 through handle 431.

The lower part of the base 42 is provided with an accommodating cavity 422; a limiting block 423 and a spring 424 are arranged in the accommodating cavity 422; the spring 424 is positioned above the limiting block 423, the upper end of the spring 424 is fixedly connected with the accommodating cavity 422, and the lower end of the spring 424 is fixedly connected with the limiting block 423; one side of the limit block 423 is hinged with a first connecting rod 425, one end of the first connecting rod 425, which is far away from the limit block 423, is hinged with a push rod 426, and a button 427 is arranged on the push rod 426; the supporting plate 6 is provided with a limiting hole 62 matched with the limiting block 423. In this embodiment, the push rod 426 is driven to move by pressing the button 427, and since the push rod 426 is hinged to the first link 425 and the first link 425 is hinged to the limit block 423, the push rod 426 is further driven to move to drive the limit block 423 to move in the accommodating cavity 422 so as to be separated from the limit hole 62; the combination of the stopper 423 and the stopper hole 62 is used for fixing the position of the collecting device 4 during sampling.

In this specific embodiment, further, a circular protrusion 428 is disposed on a side of the limiting block 423 away from the first connecting rod 425; a second sliding groove 429 matched with the circular protrusion 428 is arranged in the accommodating cavity 422, and the circular protrusion 428 is slidably connected with the second sliding groove 429. The circular protrusion 428 cooperates with the second sliding groove 429 to guide the movement of the stopper 423, and since the protrusion is circular, the contact area between the protrusion and the sliding groove 429 is reduced, and the friction between the circular protrusion 428 and the second sliding groove 429 is reduced, so that the stopper 423 slides more smoothly.

In this embodiment, further, the mobile atmosphere detection sampler further includes a universal wheel 15 and a pushing handle 16; the four universal wheels 15 are symmetrically arranged relative to the sampler body 1, and locking pieces 151 are arranged on the universal wheels 15; the pushing handle 16 is fixedly installed at one side of the sampler body 1. The bottom of this sample thief is provided with universal wheel 15, and before the use or the sampling finishes the back, staff's accessible promotes handle 16 and promotes the sample thief and remove, and this operation labour saving and time saving and high-efficient are convenient, and after removing the assigned position with the sample thief, it is died to lock universal wheel 15 through the dead piece 151 of lock on the universal wheel 15, prevents that it from continuing to roll.

In this specific embodiment, the mobile air detection sampler further comprises: the device comprises a cylinder 8, a telescopic rod 9, a movable plate 10 and supporting legs 11; the cylinder 8 is fixedly arranged at the bottom of the supporting plate 6, one end of the telescopic rod 9 is fixedly connected with the cylinder 8, and the other end of the telescopic rod is fixedly connected with the movable plate 10; the four supporting legs 11 are symmetrically arranged relative to the sampler body 1, and the top ends of the supporting legs 11 are fixedly connected with the movable plate 10; further, a guide groove 12 is formed in the inner side wall of the sampler body 1, a guide block 13 is connected to the movable plate 10, and the guide block 13 is movably connected with the guide groove 12; the bottoms of the four supporting feet 11 are provided with anti-skid pads 14. After the sampler moves to a designated position, the cylinder 8 is started to drive the telescopic rod 9 to extend, the telescopic rod 9 drives the movable plate 10 to move downwards, the guide block 13 and the guide groove 12 are matched to further limit and guide the movement of the movable plate 10, the movable plate 10 further drives the supporting legs 11 to move downwards until the supporting legs 11 abut against the ground and the universal wheels 15 are separated from the ground, and the bottom of the supporting legs 11 is provided with the anti-skid pads 14, so that the friction force between the supporting legs 11 and the ground can be increased, and the sampler is further prevented from sliding relative to the ground.

The working principle is as follows: the utility model provides a portable atmospheric detection sample thief when using, removes the assigned position with the sample thief earlier through promoting handle 16, then starts cylinder 8, cylinder 8 drive telescopic link 9 extends and then drives fly leaf 10 translation downwards, and fly leaf 10 further drives supporting legs 11 and moves down to supporting legs 11 and supports and lean on ground, whole sample thief rigidity this moment. Then, the plurality of collecting units 41 on the collecting device 4 are all communicated with the third guide pipe 53, and the collecting device 4 is placed into the sampler body 1 and the collecting device 4 is fixed; at the same time, the suction pipe 31 is screwed to the connection sleeve 32 of the suction fan 33, and the length of the suction pipe 31 is adjusted. And then, by opening or closing the designated valve 7, firstly starting the vacuum pumping device 2 to pump the gas in the collection unit 41, then closing the vacuum pumping device 2 and starting the suction device 3 to collect the gas to be sampled in the designated collection unit 41, and closing the suction device 3 after sampling. In the whole process, the collection of the gas at the same sampling point and different heights can be finished by adjusting the length of the air suction pipe 31, and the air suction pipe 31 is detachably connected with the suction fan 3, so that the air suction pipe 31 can be conveniently taken and placed; when the sampling point is replaced, the sampler is moved to the next sampling point only by pushing the handle 16 to be matched with the universal wheel 15, so that the operation is simple and the practicability is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mobile atmospheric detection sampler, comprising: the sampler comprises a sampler body (1), a vacuum suction device (2), a suction device (3), a collection device (4), a first conduit (51), a second conduit (52) and a third conduit (53); the sampler body (1) is of a box structure, a horizontally arranged supporting plate (6) is arranged in the sampler body (1), and the vacuum air suction device (2), the air suction device (3) and the collecting device (4) are all arranged above the supporting plate (6); the first conduit (51) communicating the vacuum suction device (2) with the third conduit (53), the second conduit (52) communicating the suction device (3) with the third conduit (53); the collecting device (4) is movably connected with the supporting plate (6), the collecting device (4) comprises a plurality of collecting units (41), and the collecting units (41) are communicated with the third conduit (53); valves (7) are arranged at the middle parts of the first conduit (51), the second conduit (52), the third conduit (53) and the collecting unit (41), and the air suction device (3) is provided with an air suction pipe (31) which is vertically arranged and adjustable in length.

2. The mobile atmosphere detection sampler according to claim 1, wherein the getter device (3) further comprises: a connecting sleeve (32) and a suction fan (33); the connecting sleeve (32) is fixedly installed on a suction fan (33), the connecting sleeve (32) is provided with an internal thread, one end of the air suction pipe (31) is provided with an external thread matched with the connecting sleeve (32), the air suction pipe (31) is in threaded connection with the connecting sleeve (32), and the air suction pipe (31) is a telescopic pipe formed by sequentially and movably connecting multiple sections of ducts with decreasing diameters end to end.

3. The mobile atmosphere detection sampler according to claim 2, wherein the end of the suction pipe (31) far away from the connecting sleeve (32) is connected with a suction head (34); the air suction head (34) is communicated with the interior of the air suction pipe (31), the air suction head (34) is of a hollow conical structure, and a filtering film (35) is arranged in the air suction head (34).

4. The mobile atmosphere detection sampler according to claim 1, wherein the collecting means (4) further comprises: a base (42), a side plate (43) and a fixing groove (44); the number of the fixing grooves (44) is set to be multiple and is consistent with that of the collecting units (41), the fixing grooves (44) are fixedly arranged on the base (42), and the collecting units (41) are correspondingly arranged in the fixing grooves (44) in a one-to-one matching mode; the side plate (43) is fixedly connected with the base (42) and is arranged vertically to the base, and a handle (431) is arranged on the side plate (43); the lower part of base (42) is equipped with two rectangular shape archs (421) that are parallel to each other, seted up the adaptation on backup pad (6) first spout (61) of rectangular shape arch (421).

5. The mobile atmosphere detection sampler according to claim 4, wherein the base (42) has a receiving cavity (422) formed at a lower portion thereof; a limiting block (423) and a spring (424) are arranged in the accommodating cavity (422); the spring (424) is positioned above the limiting block (423), the upper end of the spring (424) is fixedly connected with the accommodating cavity (422), and the lower end of the spring (424) is fixedly connected with the limiting block (423); one side of the limit block (423) is hinged with a first connecting rod (425), one end, far away from the limit block (423), of the first connecting rod (425) is hinged with a push rod (426), and a button (427) is arranged on the push rod (426); and the supporting plate (6) is provided with a limiting hole (62) matched with the limiting block (423).

6. The mobile atmosphere detection sampler according to claim 5, wherein the side of the stopper (423) away from the first link (425) is provided with a circular protrusion (428); a second sliding groove (429) matched with the circular protrusion (428) is arranged in the accommodating cavity (422), and the circular protrusion (428) is connected with the second sliding groove (429) in a sliding manner.

7. The mobile atmosphere sensing sampler of claim 1, further comprising: the device comprises a cylinder (8), a telescopic rod (9), a movable plate (10) and supporting legs (11); the air cylinder (8) is fixedly arranged at the bottom of the supporting plate (6), one end of the telescopic rod (9) is fixedly connected with the air cylinder (8), and the other end of the telescopic rod is fixedly connected with the movable plate (10); the four supporting legs (11) are symmetrically arranged relative to the sampler body (1), and the top ends of the supporting legs (11) are fixedly connected with the movable plate (10); the sampler is characterized in that a guide groove (12) is formed in the inner side wall of the sampler body (1), a guide block (13) is connected to the movable plate (10), and the guide block (13) is movably connected with the guide groove (12).

8. The mobile atmosphere detection sampler according to claim 7, wherein the bottom of the four support feet (11) are provided with anti-skid pads (14).

9. The mobile atmosphere sensing sampler of claim 1, further comprising: a universal wheel (15); the sampler is characterized in that the universal wheels (15) are arranged to be four and are symmetrically arranged relative to the sampler body (1), and locking pieces (151) are arranged on the universal wheels (15).

10. The mobile atmosphere sensing sampler of claim 9, further comprising: the pushing handle (16), the pushing handle (16) is fixedly arranged on one side of the sampler body (1).