CN211652262U

CN211652262U - Collection system for environmental monitoring

Info

Publication number: CN211652262U
Application number: CN201922418180.6U
Authority: CN
Inventors: 曹珍; 肖斌; 张士宪; 王子良
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-09
Anticipated expiration: 2029-12-27

Abstract

The utility model provides an acquisition device for environmental monitoring belongs to environmental monitoring technical field, and acquisition device for environmental monitoring includes: the device comprises a base, a supporting cylinder, a telescopic rod, a plurality of collecting cylinders and a blocking sleeve. The supporting cylinder is fixed on the base, and a plurality of negative pressure ports are uniformly formed in the circumferential direction of the supporting cylinder. Each collecting cylinder is arranged at a certain distance from the supporting cylinder; one side of each collecting cylinder close to the supporting cylinder is provided with an inflow port and an outflow port in a penetrating way; an air storage cavity is formed in the collecting cylinder; the air storage cavity is respectively communicated with the inflow port and the outflow port and is used for storing air; the inflow port and the outflow port correspond to the air outlet one by one; the collection cylinder is provided with a sealing plug; the upper communicating port is used for communicating the air outlet with the corresponding inflow port, and the lower communicating port is used for communicating the outflow port and the negative pressure port of the same collecting cylinder. The utility model provides a collection system for environmental monitoring can gather the air of co-altitude through rotating the spacer sleeve, convenient and fast, and work efficiency is higher.

Description

Collection system for environmental monitoring

Technical Field

The utility model belongs to the technical field of the environmental monitoring, more specifically say, relate to an collection system for environmental monitoring.

Background

When air in the environment is monitored at present, air with different heights is required to be collected, and the air is transported to a monitoring room for analysis after the air is collected. The existing collecting device needs to fix a test tube and communicate with a corresponding pipeline, and needs to install another test tube again and communicate with the pipeline again after collecting a specific position. The operation is complicated, so that the acquisition work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment monitoring uses collection system, when aiming at solving the gas of gathering the co-altitude, complex operation, the lower problem of work efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is an acquisition device for environmental monitoring, including:

the bottom of the base is provided with a travelling mechanism;

the supporting cylinder is fixed on the base, and a plurality of negative pressure ports are uniformly formed in the circumferential direction of the supporting cylinder;

a telescopic rod with a hollow structure; the bottom of the support cylinder is hermetically fixed on the support cylinder, and the top of the support cylinder is provided with an air inlet; a plurality of air outlets are uniformly formed in the circumferential direction of the bottom of the telescopic rod; the telescopic rod and the supporting cylinder are coaxially arranged, and the telescopic rod is used for collecting air with different heights; the air outlets correspond to the negative pressure ports one to one;

the plurality of collecting cylinders are fixed on the base and are uniformly distributed along the circumferential direction of the supporting cylinder; each collecting cylinder is arranged at a certain distance from the supporting cylinder; one side of each collecting cylinder, which is close to the supporting cylinder, is provided with an inflow port and an outflow port in a penetrating way; an air storage cavity is formed in the collecting cylinder; the air storage cavity is respectively communicated with the inflow port and the outflow port and is used for storing air; the inflow port and the outflow port are in one-to-one correspondence with the air outlets; a sealing plug is arranged on the collecting cylinder; and

the separation sleeve is rotatably arranged between the support cylinder and the collection cylinder, and an upper communication port and a lower communication port are formed in the separation sleeve in a penetrating manner; when the blocking sleeve rotates for a specific angle, the upper communication port is used for communicating the air outlet with the corresponding inflow port, and the lower communication port is used for communicating the outflow port and the negative pressure port of the same collection cylinder; the blocking sleeve is used for blocking other collecting cylinders.

As another embodiment of the present application, a collecting assembly is fixed on the side wall of the collecting cylinder; the collection assembly is respectively communicated with the inflow port and the outflow port; an absorbent agent is disposed within the collection assembly for collecting a particular constituent within the air.

As another embodiment of the present application, the collecting assembly includes:

the detection shell is fixed on the side wall of the collection cylinder, a liquid containing cavity is formed in the detection shell, and an absorption reagent is stored in the liquid containing cavity; the top of the detection shell is provided with an air outlet which is communicated with the liquid containing cavity; the sealing plug is detachably mounted on one side, away from the supporting cylinder, of the detection shell;

one end of the immersion pipe is communicated with the inflow port; the other end is communicated with the liquid containing cavity; the dip tube is immersed in the absorbent reagent; and

an outflow pipe having one end communicating with the exhaust port and the other end communicating with the outflow port; the outflow pipe is used for discharging gas into the outflow port;

the immersion pipe, the liquid containing cavity and the outflow pipe form a circulation passage.

As another embodiment of the present application, the collection cylinder is a transparent piece; the sealing plug is respectively communicated with the liquid containing cavity and the gas storage cavity; the sealing plug is detachably connected to the collecting cylinder and the detection shell.

As another embodiment of the present application, the dip tube extends to the flow inlet; the outflow tube extending to the flow outlet; the inflow port and the outflow port form a first gas passage and a second gas passage with the collection assembly and the gas trap chamber, respectively.

As another embodiment of the present application, sealing elements are fixed on both the inner side wall and the outer side wall of the blocking sleeve, and the sealing elements are flexible elements and are used for sealing a gap between the collection cylinder and the blocking sleeve and a gap between the blocking sleeve and the support cylinder; the sealing element is provided with a through hole, and the through hole is used for avoiding the air outlet and the negative pressure port.

As another embodiment of the application, clamping pieces are hinged to the outer peripheral surface of the top of the blocking sleeve, and clamping grooves corresponding to the clamping pieces are formed in the tops of the plurality of collecting cylinders; the clamping groove is used for clamping the clamping piece so as to limit the rotating angle of the blocking sleeve.

As another embodiment of this application, a collection section of thick bamboo is close to one side of a support section of thick bamboo is provided with the bellying, the groove of stepping down has been seted up on the bellying, the groove of stepping down with the laminating of the lateral surface of blocking sleeve sets up, the bottom surface in groove of stepping down has been seted up the inflow entrance with the egress opening.

As another embodiment of the present application, the plurality of air outlets, the plurality of inflow ports, and the upper communication port are disposed at the same height; the plurality of outflow ports, the plurality of negative pressure ports and the lower communication port are arranged at the same height; the outflow opening is arranged higher than the outflow opening.

As another embodiment of the present application, the supporting cylinder is disposed perpendicular to the base; the supporting cylinder and the telescopic rod are coaxially arranged.

The utility model provides an environment monitoring is with collection device has beneficial effect to lie in, compares with prior art, the utility model discloses install running gear on the base among the environment monitoring is with collection device, change the position of base with the help of running gear. A supporting cylinder is fixed on the base, and a plurality of negative pressure ports are formed in the circumferential direction of the supporting cylinder. A telescopic rod is fixed on the supporting cylinder, the bottom of the telescopic rod is hermetically fixed on the supporting cylinder, the telescopic rod is of a hollow structure, the top of the telescopic rod is an air inlet, and a plurality of air outlets are uniformly formed in the circumferential direction along the bottom of the telescopic rod; the telescopic link is used for gathering the air of different height. Be fixed with a plurality of collection section of thick bamboo on the base, collect a section of thick bamboo and evenly arrange along the circumference of a support section of thick bamboo to it sets up with a support section of thick bamboo interval certain distance to collect a section of thick bamboo. An inflow port and an outflow port are arranged on one side of the collecting cylinder close to the supporting cylinder in a penetrating way. An air storage cavity is formed in the collecting cylinder and used for storing air. Air is directed into the plenum at the inlet port and is exhausted from the outlet port. The blocking sleeve is rotatably arranged between the supporting cylinder and the collecting cylinder. The blocking sleeve is provided with an upper communicating port and a lower communicating port in a through mode, when the telescopic rod rises to a specified height and the blocking sleeve rotates for a certain angle, the upper communicating pipe orifice communicates the inflow port of one of the collecting cylinders with the air outlet, and the lower communicating port communicates the outflow port with the negative pressure port at the moment. The gas forms a flow channel under the action of the negative pressure port, and other collecting cylinders are closed spaces due to the blocking effect of the blocking sleeve. When the detection is needed, the sealing plug is taken down, and then the gas in the gas storage cavity can be detected. When the telescopic rod changes the height and the separation sleeve rotates again, the collecting cylinder which is communicated with the collecting cylinder before is in a closed state, and the other collecting cylinder is in a communicated state, so that the air with the height is collected. This application can gather the gas of co-altitude not through rotating the spacer sleeve, and convenient and fast has improved the efficiency of collection work.

Drawings

Fig. 1 is a schematic structural diagram of an acquisition device for environmental monitoring provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a collecting cylinder and a telescopic rod provided in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of an acquisition device for environmental monitoring provided in embodiment 2 of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: 1. a base; 2. a traveling mechanism; 3. a telescopic rod; 4. a support cylinder; 5. a collection cylinder; 6. a collection assembly; 601. detecting the shell; 602. a dip tube; 603. an outflow tube; 604. an absorbent reagent; 7. a sealing plug; 8. an air storage cavity; 9. an outflow port; 10. a lower communication port; 11. a negative pressure port; 12. an inflow port; 13. an air outlet; 14. an upper communication port; 15. a handle; 16. a barrier sleeve; 17. a boss portion; 18. a seal member; 19. a fastener; 20. a card slot; 21. a through hole; 22. a yielding groove; 23. a rain cover; 24. and an air inlet.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the collecting device for environmental monitoring according to the present invention will now be described. Collection system for environmental monitoring includes: the device comprises a base 1, a supporting cylinder 4, a telescopic rod 3, a plurality of collecting cylinders 5 and a blocking sleeve 16. The bottom of the base 1 is provided with a walking structure 2. The supporting cylinder 4 is fixed on the base 1, and a plurality of negative pressure ports 11 are uniformly formed in the circumferential direction of the supporting cylinder 4. The telescopic rod 3 is of a hollow structure; the bottom of the telescopic rod 3 is hermetically fixed on the supporting cylinder 4, and the top of the telescopic rod is provided with an air inlet 24; a plurality of air outlets 13 are uniformly formed in the circumferential direction at the bottom of the telescopic rod 3; the telescopic rod 3 and the supporting cylinder 4 are coaxially arranged, the telescopic rod 3 is used for collecting air with different heights, and the air outlet corresponds to the negative pressure port one to one. The plurality of collecting cylinders 5 are fixed on the base 1 and are uniformly distributed along the circumferential direction of the supporting cylinder 4; each collecting cylinder 5 is arranged at a certain distance from the supporting cylinder 4; one side of each collecting cylinder 5 close to the supporting cylinder 4 is provided with an inflow port 12 and an outflow port 9 in a penetrating way; an air storage cavity 8 is formed in the collection cylinder 5, and the air storage cavity 8 is respectively communicated with the inflow opening 12 and the outflow opening 9 and used for storing air. The inflow port 12 and the outflow port 9 are respectively in one-to-one correspondence with the air outlet 13, and the collection cylinder 5 is provided with a sealing plug 7. The separation sleeve 16 is rotatably arranged between the support cylinder 4 and the collection cylinder 5, and an upper communicating opening 14 and a lower communicating opening 10 are arranged on the separation sleeve 16 in a penetrating way; when the blocking sleeve 16 rotates by a specific angle, the upper communication port 14 is used for communicating the air outlet 13 with the corresponding inflow port 12, and the lower communication port 10 is used for communicating the outflow port 9 and the negative pressure port 11 of the same collection cylinder 5; the blocking sleeve 16 is used to block off the other collection cartridges 5.

The utility model provides an environment monitoring is with collection device has beneficial effect to lie in, compares with prior art, the utility model discloses install walking structure 2 on base 1 among the environment monitoring is with collection device, change base 1's position with the help of walking structure 2. A support cylinder 4 is fixed on the base 1, and a plurality of negative pressure ports 11 are formed in the circumferential direction of the support cylinder 4. The telescopic rod 3 is fixed on the supporting cylinder 4, the bottom of the telescopic rod 3 is hermetically fixed on the supporting cylinder 4, the telescopic rod 3 is of a hollow structure, the top of the telescopic rod 3 is provided with an air inlet 24, and a plurality of air outlets 13 are uniformly formed along the circumferential direction of the bottom of the telescopic rod 3; the telescopic rod 3 is used for collecting air with different heights. A plurality of collecting cylinders 5 are fixed on the base 1, the collecting cylinders 5 are evenly distributed along the circumferential direction of the supporting cylinder 4, and the collecting cylinders 5 and the supporting cylinder 4 are arranged at a certain interval. An inflow port 12 and an outflow port 9 are formed through the collection tube 5 on the side closer to the support tube 4. An air storage cavity 8 is formed in the collecting cylinder 5, and the air storage cavity 8 is used for storing air. Air is guided into the air trap chamber 8 at the inflow opening 12 and is discharged from the outflow opening 9. The blocking sleeve 16 is rotatably arranged between the support cylinder 4 and the collection cylinder 5. The blocking sleeve 16 is provided with an upper communicating port 14 and a lower communicating port 10 in a through way, when the telescopic rod 3 rises to a specified height and the blocking sleeve 16 rotates for a certain angle, the upper communicating pipe orifice communicates the inflow port 12 of one of the collecting cylinders 5 with the air outlet 13, and the lower communicating port 10 communicates the outflow port 9 with the negative pressure port 11. The gas forms a flow channel under the action of the negative pressure port 11, and the other collection cylinders 5 are closed spaces due to the blocking effect of the blocking sleeve 16. When detection is needed, the sealing plug 7 is taken down, and then the gas in the gas storage cavity 8 can be detected. When the telescopic rod 3 changes the height and the blocking sleeve 16 rotates again, the collecting cylinder 5 which is communicated before is in a closed state, and the other collecting cylinder 5 is in a communicated state, so that the air at the height is collected. This application can gather the gas of co-altitude not through rotating separation sleeve 16, and convenient and fast has improved the efficiency of gathering work.

The utility model discloses in, can be at the supporting cylinder 4 internal fixation vacuum machine, the vacuum machine is provided with the end of breathing in and exhaust end. The suction end of the vacuum machine is arranged at a certain distance from the inner wall of the top of the supporting cylinder 4, and the vacuum machine and the inner wall of the top of the supporting cylinder 4 are enclosed to form an air suction cavity. The negative pressure port 11 communicates with the suction chamber. The exhaust end of the vacuum machine is communicated with the atmosphere and is used for exhausting the absorbed gas into the atmosphere. Therefore, power is provided for the telescopic rod 3 to suck, the vacuum machine can be closed firstly in the rotation process of the blocking sleeve 16, and no-load operation of the vacuum machine is avoided.

As a specific embodiment of the collecting device for environmental monitoring provided by the present invention, please refer to fig. 1, a collecting assembly is fixed on the sidewall of the collecting cylinder 5; the collecting assembly is respectively communicated with the inflow port 12 and the outflow port 9; an absorbent agent 604 is stored within the collection assembly, the absorbent agent 604 being used to collect specific components within the air. The absorption of a specific component by the absorbent 604 is enabled, and after the absorption is completed, the absorbent 604 is tested by a worker, thereby determining the quality of the air.

As a specific implementation manner of the collection device for environmental monitoring provided by the present invention, please refer to fig. 3, the collection assembly includes: a detection housing 601, a dip tube 602, and an outflow tube 603. The detection shell 601 penetrates through and is fixed on the side wall of the collection cylinder, a liquid containing cavity is formed in the detection shell 601, and an absorption reagent 604 is stored in the liquid containing cavity; the absorbent 604 is used to collect specific components within the air; the top of the detection shell 601 is provided with an air outlet which is used for being communicated with the liquid containing cavity; a sealing plug 7 is detachably mounted on one side of the detection housing 601 far away from the supporting cylinder. One end of the dip pipe 602 is communicated with the inflow port 12; the other end is communicated with the liquid containing cavity; the dip tube 602 is immersed in an absorbent agent 604. One end of the outflow pipe 603 is communicated with the exhaust port, and the other end is communicated with the outflow port 9; the outflow pipe 603 is used to discharge the gas into the outflow port 9. The immersion tube 602, the liquid holding chamber and the outflow tube 603 constitute a flow path. The telescopic link can be electric telescopic handle in this application, or also can be the sleeve pipe structure of big pipe and tubule, and threaded connection between big pipe and the tubule can realize rising and descend through rotating the tubule. An air inlet 24 is formed in the top of the small-diameter end of the telescopic rod, and air enters the inside of the telescopic rod from the air inlet 24 and is discharged from an air outlet 13 in the bottom of the telescopic rod. When the separation sleeve 16 rotates a certain angle, the air inlet 24, the air outlet 13, the upper communication port 14, the inlet 12, the outlet 9 and the negative pressure port 11 form a flow passage. The air entering the telescopic rod flows through the air outlet 13, the upper communicating port 14 and the inflow port 12 in sequence to enter one of the collecting cylinders, the collecting assembly penetrating through the collecting cylinder is used for collecting specific components in the air, and the air storage cavity 8 in the collecting cylinder is used for the air at the high position. When the blocking sleeve 16 rotates again, the inflow port 12 and the outflow port 9 of the collecting cylinder are both closed by the blocking sleeve 16 to form a closed space. The detection shell 601 penetrates through the collection cylinder, and a sealing plug 7 is installed on one side of the detection shell 601, which is far away from the support cylinder. An absorbent 604 is stored in the detection housing 601, that is, in the liquid containing chamber. Air entering the collection cartridge first flows into dip tube 602 via inlet 12, and since the other end of dip tube 602 is immersed in absorbent 604, it facilitates the collection of a particular component of absorbent 604, for example formaldehyde, absorbent 604 may be a non-volatile phenol agent. After a certain period of collection, the absorbent 604 is removed from the sealing plug 7 for further study. The air having passed through the absorbing agent 604 flows into the outflow port 9 through the outflow pipe 603, and at this time, the outflow port 9 communicates with the negative pressure port 11 through the lower communication port 10, whereby the air is discharged into the atmosphere.

As a specific embodiment of the collecting device for environmental monitoring provided by the present invention, please refer to fig. 4, the collecting cylinder 5 is a transparent component; the sealing plug 7 is respectively communicated with the liquid containing cavity and the air storage cavity 8; the sealing plug 7 is detachably connected to the side walls of the collecting cylinder 5 and the detecting shell 601 far away from the supporting cylinder 4. The collection cylinder 5 is a transparent part for observing the change of the absorption reagent 604 after absorbing air, and the collection cylinder 5 can be made of transparent plastic or glass. The sealing plug 7 can be made of hard plastic, and the sealing plug 7 is respectively in threaded connection with the detection bridge shell and the collection cylinder 5. When the blocking sleeve 16 is communicated with another collection cylinder 5, due to the blocking effect of the outer wall and the inner wall of the blocking sleeve, the communication between the corresponding air outlet 13 and the negative pressure port 11 is blocked, the collection cylinder 5 is a closed space, and after collection is completed, the corresponding absorption reagent 604 or the gas in the gas storage cavity 8 can be taken out by screwing out the sealing plug 7. In the present application, a handle 15 is fixed to the blocking sleeve 16, and the rotation of the blocking sleeve 16 can be realized by rotating the handle 15.

As a specific embodiment of the collecting device for environmental monitoring provided in the present invention, please refer to fig. 4, a dip pipe 602 extends to the inflow port 12; the outflow pipe 603 extends to the outflow opening 9; the inflow port 12 and the outflow port 9 form a first gas passage and a second gas passage with the collection assembly 6 and the gas storage chamber 8, respectively. Thereby realizing the diversion of the gas entering the collecting cylinder 5 and respectively forming a first gas passage and a second gas passage.

As a specific embodiment of the collecting device for environmental monitoring provided by the present invention, please refer to fig. 3, sealing elements 18 are fixed on both the inner side wall and the outer side wall of the blocking sleeve 16, and the sealing elements 18 are flexible elements for sealing the gap between the collecting cylinder 5 and the blocking sleeve 16 and the gap between the blocking sleeve 16 and the supporting cylinder 4; the sealing element 18 is provided with a through hole 21, and the through hole 21 is used for avoiding the air outlet 13 and the negative pressure port 11. In order to ensure the sealing performance between the blocking sleeve 16 and the supporting cylinder 4 and between the blocking sleeve 16 and the collecting cylinder 5, the air is prevented from flowing into the collecting cylinder 5 from the gap to influence the detection precision. Seals 18 are secured to both the inside and outside walls of the barrier sleeve 16. The sealing member 18 is a flexible member, and may have a thickness of 2-4mm, and may be made of sponge or the like. By arranging the sealing element 18, the situation that the separation sleeve 16 is not tightly sealed with the supporting cylinder 4 and the collecting cylinder 5 due to machining errors and the like can be avoided, and the detection precision is ensured. In order to facilitate the operator to know the rotating angle of the blocking sleeve 16, the top of the plurality of collecting cylinders 5 is provided with a clamping groove 20, and the plurality of clamping grooves 20 are uniformly arranged along the circumferential direction of the supporting cylinder 4 at certain intervals. A clamping piece 19 is hinged on the collecting cylinder 5, the clamping piece 19 can swing to the upper side when the separation sleeve 16 needs to be rotated, and when the separation sleeve 16 rotates to the next collecting cylinder 5, the matching condition of the clamping piece 19 and the clamping groove 20 is observed, and the corresponding angle is properly adjusted. A handle 15 may be provided on the outer wall of the blocking sleeve 16, and the rotation of the blocking sleeve 16 may be achieved by rotating the handle 15.

As the utility model provides a collection system for environmental monitoring's a specific implementation way please refer to and show fig. 2, one side that collection section of thick bamboo 5 is close to a support section of thick bamboo 4 is provided with bellying 17, has seted up the groove of stepping down 22 on the bellying 17, and the groove of stepping down 22 sets up with the lateral surface laminating of separation cover 16, and the bottom surface of the groove of stepping down 22 has seted up inflow entrance 12 and egress opening 9. Because collection section of thick bamboo 5 and separation sleeve 16 are circular mechanism to seted up inflow entrance 12 and egress opening 9 in collection section of thick bamboo 5 near the one side of supporting cylinder 4, in order to guarantee that separation sleeve 16 is sealed inseparable with collection section of thick bamboo 5, set up bellying 17 on collection section of thick bamboo 5, bellying 17 sets up in collection section of thick bamboo 5 near the one side of supporting cylinder 4, seted up in bellying 17 direction of height and stepped down groove 22, the inflow entrance 12 and egress opening 9 have been seted up to the bottom surface of stepped down groove 22. The side surface of the abdicating groove 22 is matched with the outer side surface of the blocking sleeve 16, that is, the bottom surface of the abdicating groove 22 is an arc surface matched with the outer side surface of the blocking sleeve 16. The abdicating grooves 22 of the plurality of collecting cylinders 5 form a limiting space for limiting the spacing sleeve 16, which not only ensures the tightness of the communication, but also ensures the stability of the spacing sleeve 16 when rotating.

As a specific embodiment of the collecting device for environmental monitoring provided in the present invention, please refer to fig. 1, a plurality of air outlets 13 and a plurality of inlets 12 are located in the same plane; the plurality of outflow ports 9 and the plurality of negative pressure ports 11 are located in the same plane; the outflow opening 9 is arranged higher than the outflow opening 9. In order to ensure that air is smoothly introduced into a specific collection cylinder 5 after the blocking sleeve 16 is rotated by a certain angle, and to facilitate the processing of workpieces. The plurality of outlets 13 and the plurality of inlets 12 are disposed in the same plane, and the upper communication port 14 is located at the same height as the outlets 13 and the inlets 12. The plurality of outflow ports 9 and the plurality of negative pressure ports 11 are provided in the same plane, and the lower communication port 10 is located at the same height as the outflow ports 9 and the negative pressure ports 11. With this arrangement, after the blocking sleeve 16 is rotated by a certain angle, the upper communication port 14 communicates the corresponding air outlet 13 with the corresponding air inlet 12, and the lower communication port 10 communicates the corresponding air outlet 9 with the corresponding negative pressure port 11, thereby forming a passage through which air flows. The height of the inflow opening 12 is higher than that of the outflow opening 9, so that the installation and assembly are convenient, namely, air flows into the collecting cylinder 5 from the upper telescopic rod 3 and flows out from the lower supporting cylinder 4.

As a specific embodiment of the collecting device for environmental monitoring provided by the present invention, please refer to fig. 1, the supporting cylinder 4 is located in the middle of the base 1 and is perpendicular to the base 1; the supporting cylinder 4 and the telescopic rod 3 are coaxially arranged. Since the blocking sleeve 16 can rotate 360 degrees along the circumferential direction of the supporting cylinder 4, the tightness of the blocking sleeve 16 with the supporting cylinder 4 and the collecting cylinder 5 is ensured. The support cylinder 4 is disposed at the middle of the base 1 and is disposed perpendicular to the base 1. The top of a supporting cylinder 4 is for sealing the setting, with the coaxial setting of a supporting cylinder 4 and telescopic link 3, makes at separation sleeve 16 rotation in-process, goes up intercommunication mouth 14 and keeps inseparable laminating with corresponding air outlet 13, prevents that the air from the clearance between separation sleeve 16 and telescopic link 3 or separation sleeve 16 and the collection section of thick bamboo 5 from flowing in, influences the precision of experiment.

As the utility model provides a collection system for environmental monitoring's a specific implementation way please refer to fig. 1, and the push pipe of telescopic link 3 is fixed with rain-proof cover 23, and rain-proof cover 23 is located the top of air intake 24. Because telescopic link 3 vertical fixation is on base 1 to air intake 24 sets up at the top of telescopic link 3, in order to prevent that impurity etc. from getting into air intake 24, to the jam of air outlet 13, be fixed with rain-proof cover 23 at the top of telescopic link 3, rain-proof cover 23 not only can be with the rainwater separation in the outside of air intake 24. The bottom surface of the rain cover 23 is lower than the air inlet 24. The rain cover 23 can be arranged to prevent impurities from entering the air inlet 24.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Collection system for environmental monitoring, its characterized in that includes:

the bottom of the base is provided with a travelling mechanism;

2. The collection device for environmental monitoring of claim 1, wherein a collection assembly is secured to a sidewall of the collection canister; the collection assembly is respectively communicated with the inflow port and the outflow port; an absorbent agent is disposed within the collection assembly for collecting a particular constituent within the air.

3. The environmental monitoring collection device of claim 2, wherein the collection assembly comprises:

4. The environmental monitoring collection device of claim 3, wherein the collection canister is a transparent piece; the sealing plug is respectively communicated with the liquid containing cavity and the gas storage cavity; the sealing plug is detachably connected to the collecting cylinder and the detection shell.

5. The environmental monitoring collection apparatus of claim 3, wherein the dip tube extends to the flow inlet; the outflow tube extending to the flow outlet; the inflow port and the outflow port form a first gas passage and a second gas passage with the collection assembly and the gas trap chamber, respectively.

6. The environmental monitoring collection device according to claim 1, wherein a sealing member is fixed on both the inner side wall and the outer side wall of the blocking sleeve, and the sealing member is a flexible member for sealing a gap between the collection cylinder and the blocking sleeve and a gap between the blocking sleeve and the support cylinder; the sealing element is provided with a through hole, and the through hole is used for avoiding the air outlet and the negative pressure port.

7. The collecting device for environmental monitoring according to claim 1, wherein the blocking pieces are hinged to the outer peripheral surface of the top of the blocking sleeve, and the tops of the plurality of collecting barrels are provided with clamping grooves corresponding to the blocking pieces; the clamping groove is used for clamping the clamping piece so as to limit the rotating angle of the blocking sleeve.

8. The collection device for environmental monitoring according to claim 1, wherein a protrusion is disposed on a side of the collection cylinder close to the support cylinder, the protrusion has a recess groove, the recess groove is attached to an outer side surface of the blocking sleeve, and the inflow port and the outflow port are disposed on a bottom surface of the recess groove.

9. The collection device for environmental monitoring according to claim 1, wherein the plurality of air outlets, the plurality of inflow ports, and the upper communication port are disposed at the same height; the plurality of outflow ports, the plurality of negative pressure ports and the lower communication port are arranged at the same height; the outflow opening is arranged higher than the outflow opening.

10. The environmental monitoring collection device of claim 1, wherein the support cylinder is disposed perpendicular to the base; the supporting cylinder and the telescopic rod are coaxially arranged.