CN210953971U

CN210953971U - Indoor air detection sample collection device

Info

Publication number: CN210953971U
Application number: CN201921682348.8U
Authority: CN
Inventors: 赵美秋; 丁晓玥; 周洋; 陈宇杰; 朱美杨
Original assignee: Shanghai Baohu Quality Inspection And Testing Co ltd
Current assignee: Shanghai Baohu Quality Inspection And Testing Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an indoor air detection sample collection system relates to environmental detection equipment technical field. The technical scheme is that a sealing cover plate and an operation hole with an embedded ring groove are arranged, liquid water in a collection cavity is discharged outwards to collect the air sample, and the sealing cover plate is used for reducing the influence of the outside air on the purity of the sample; the connecting pipe is arranged so that air in the collecting cavity is introduced into the test cavity for detection, and the drainage cavity with the water pipe is arranged so as to collect and reuse liquid water used in the collecting cavity, so that the effect of effectively guaranteeing the purity of the collected air sample is achieved.

Description

Indoor air detection sample collection device

Technical Field

The utility model relates to an environmental detection equipment technical field, more specifically say, it relates to an indoor empty gas detection surveys sample collection system.

Background

At present, an air sample collecting device is a device for collecting an atmospheric sample and detecting whether the air quality in the sample reaches the standard.

The current chinese patent application No. CN201620880161.9 provides an indoor air sample collecting mechanism, which includes a table top and supporting legs located at the bottom of the table top. The table top outer side wall is provided with a plurality of telescopic rods through spherical connectors, and the spherical connectors are hinged with the table top through spherical surfaces. The one end that the mesa direction was kept away from to the telescopic link is provided with gas collection box, and gas collection box lateral wall runs through along its thickness direction and is provided with air inlet and gas outlet. The air inlet inside wall is provided with the solid fixed ring of absorption, and the solid fixed ring of absorption is used for adsorbing and fixed telescopic link. The air outlet is connected with a hose which extends to the table board so that an operator can conveniently vacuumize the table board, the operator can tighten one end of the hose to reduce the introduction of outside air after vacuumizing for a certain time, and when the detection is needed, the gas is introduced into the bottle to be detected.

However, the sample collecting device and the detecting device are operated separately, and the collected air sample is in contact with the outside atmosphere and is easily polluted by the outside atmosphere in the process of being transported to the detecting device, so that the purity of the air sample is greatly influenced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an indoor empty gas detection surveys sample collection system, its advantage that has the air sample purity degree of effective guarantee collection.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an indoor air detection sample collecting device comprises a detection machine body, a collecting cavity and a test cavity, wherein the collecting cavity and the test cavity are positioned on the upper surface of the detection machine body, the test cavity is positioned on one side of the width direction of the collecting cavity, an operation hole penetrates through the upper surface of the collecting cavity along the thickness direction of the collecting cavity, a plurality of extension plates are vertically arranged on the upper surface of the collecting cavity around the operation hole, an embedded ring groove is formed in the upper surface of each extension plate, and a sealing cover plate is arranged on the inner side wall of the embedded ring groove; the device is characterized in that a drainage cavity is arranged at one end of the detection machine body in the length direction, a water pipe is arranged between the drainage cavity and the collection cavity, and a communication pipe is arranged between the collection cavity and the test cavity.

Through adopting above-mentioned technical scheme, will detect the organism and move to the indoor of waiting to gather the air sample, open sealed apron, will gather the liquid water in the cavity simultaneously and arrange to drainage cavity inner chamber through the water service pipe, it is internal to stew a period so that indoor gas gets into and gathers the cavity, inserts sealed apron at last and inlays in the embedding annular. The gas in the collection cavity sinks to the bottom of the test cavity through the communication pipe, and an operator can know and analyze the gas data collected in the test cavity through a display screen of the detection machine body.

Furthermore, a plurality of mounting plates are vertically arranged on the inner side wall of the test cavity, and isolation plates are rotatably arranged between the mounting plates; the inner side wall of the test cavity is vertically provided with a magnetic sheet, and the magnetic sheet is magnetically attracted with one end of the isolation plate in the length direction.

Through adopting above-mentioned technical scheme, the division board is preferred the plastic slab, and its upper surface and be its length direction's one end and be adhered to a iron sheet, and the perpendicular adhesion of magnetic sheet is at experimental cavity inner wall, and the preferred magnet of magnetic sheet, it attracts mutually with the division board magnetism that has iron sheet one end to reduce the phenomenon that the gas in the collection cavity sinks through the division board.

Further, the inner side wall of the test cavity is provided with a protection ring plate, the lower surface of the protection ring plate is provided with a yielding groove, and the yielding groove is matched with the magnetic sheet.

Through adopting above-mentioned technical scheme, the guard ring board adhesion is in experimental cavity inside wall, and the preferred plastic slab of guard ring board, its lower surface laminate on with the division board upper surface to further reduce the phenomenon that gas sinks through the division board. The receding groove is matched with the magnetic sheet so as to reduce the sinking phenomenon of gas at the joint of the magnetic sheet and the isolating plate.

Further, surface vertical is provided with a fixed section of thick bamboo on the experimental cavity, a fixed section of thick bamboo length direction's one end extends to experimental cavity inner chamber, it is provided with the piston rod to slide in the fixed section of thick bamboo, the end wall that experimental cavity direction was kept away from to a fixed section of thick bamboo is provided with the airlock.

Through adopting above-mentioned technical scheme, the piston rod slides and sets up in the fixed cylinder inside wall, and the length that sets up of piston rod slightly is greater than the distance between the division board of fixed cylinder to the horizontality. And an operator slides the piston rod downwards and pushes the piston rod to be abutted to the upper surface of the isolation plate so as to separate the magnetic sheet from the isolation plate, and then the gas in the collection cavity sinks to the bottom of the test cavity to be detected. The air-blocking plug is made of a flexible rubber plug so as to reduce the phenomenon that air flows in and out from the piston rod and the fixed cylinder.

Furthermore, an elastic rope is arranged at one end, close to the direction of the partition plate, of the piston rod, a clamping ring is arranged on the upper surface of the partition plate, and a locking hook is arranged between the elastic rope and the clamping ring.

Through adopting above-mentioned technical scheme, the locking hook is connected with block ring lock to make elasticity rope and block ring fixed connection, operating personnel is through upwards sliding piston rod in order to drive elasticity rope reversal division board, and then make magnetic sheet and division board magnetic adsorption in order to reduce sinking of gas.

Furthermore, the upper surface of the sealing cover plate is provided with an observation hole along the thickness direction in a penetrating manner, and the inner side wall of the observation hole is provided with observation glass.

Through adopting above-mentioned technical scheme, the observation hole runs through the setting along the thickness direction of sealed apron upper surface to operating personnel knows the retaining condition in the collection cavity at any time, and reduces the condition of gathering indoor air sample under the few condition of liquid water yield. The observation glass is adhered to the inner side wall of the observation hole, and is preferably tempered glass, so that the phenomenon that liquid water or collected air samples escape from the observation hole outwards is reduced.

Furthermore, the outer side wall of the sealing cover plate is provided with a rubber ring, and the rubber ring is positioned on the inner side wall of the embedding ring groove.

Through adopting above-mentioned technical scheme, the rubber ring circle adheres to sealed apron lateral wall, and the rubber ring circle is located the embedding annular inside wall, and it is through the soft and easy deformation's of self characteristic to reduce the phenomenon that the air circulates in the clearance of sealed apron and embedding annular.

Furthermore, a plurality of deformation cavities are arranged in the rubber ring, and the deformation cavities extend along the width direction of the rubber ring.

Through adopting above-mentioned technical scheme, the deformation cavity is located rubber ring inner chamber, and the deformation cavity extends the setting along the width direction of rubber ring to improve the tight degree of connection between sealed apron and the extension board.

To sum up, the utility model discloses following beneficial effect has:

1. the air sample collection device is provided with a sealing cover plate and an operation hole with an embedded ring groove, liquid water in the collection cavity is discharged outwards to collect an air sample, and the sealing cover plate is used for reducing the influence of outside air on the purity of the sample; the test chamber is provided with a water pipe, a test chamber is arranged in the test chamber, a communicating pipe is arranged in the test chamber, air in the collection chamber is introduced into the test chamber for detection, and a drainage chamber with a water pipe is arranged in the test chamber for collecting and recycling liquid water used in the collection chamber.

2. The isolation plate and the magnetic sheet are arranged to reduce the phenomenon that the gas in the collection cavity sinks towards the bottom of the test cavity; the piston rod with the elastic rope and the fixed cylinder with the air-closing plug are arranged to fix and loosen the connection relation between the isolation plate and the magnetic sheet and reduce the influence of the outside air on the collected sample.

Drawings

FIG. 1 is a schematic structural diagram of an indoor air detection sample collection device in an embodiment;

FIG. 2 is a schematic diagram of an embodiment of the present invention showing the connection relationship between the sealing cover plate, the rubber ring and the extension plate;

FIG. 3 is a schematic sectional view showing the positional relationship between the rubber ring and the deforming cavity in the embodiment;

FIG. 4 is a schematic sectional view showing the positional relationship between the mounting plate, the spacer and the magnetic sheet in the embodiment;

fig. 5 is a schematic sectional view showing the connection relationship of the elastic cord, the snap ring and the piston rod in the embodiment.

In the figure: 1. detecting a body; 101. a drainage cavity; 102. a water pipe; 2. a collection cavity; 201. an operation hole; 202. an extension plate; 203. embedding the ring groove; 204. a connecting pipe; 3. a test cavity; 301. mounting a plate; 302. a separator plate; 303. a magnetic sheet; 304. a guard ring plate; 305. a yielding groove; 4. sealing the cover plate; 401. an observation hole; 402. observing glass; 403. a rubber ring; 404. deforming the cavity; 5. a fixed cylinder; 501. closing the air plug; 6. a piston rod; 601. an elastic cord; 602. a locking hook; 603. and (4) clamping the ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides an indoor air detection sample collection system, refers to figure 1, including detecting organism 1, being located collection cavity 2 and the experimental cavity 3 that detects organism 1 upper surface. The test cavity 3 is located on one side of the width direction of the collection cavity 2, is integrally formed with the detection body 1, and is communicated with the collection cavity 2 through a communication pipe 204 so as to cooperate with the detection body 1 to analyze, detect and collect an air sample. The upper surface of the collection cavity 2 is provided with an operation hole 201 (refer to fig. 2) along the thickness direction, and the operation hole 201 is convenient for an operator to inject liquid water into the collection cavity 2. One end of the detection machine body 1 in the length direction is provided with a drainage cavity 101, and a water pipe 102 is arranged between the drainage cavity 101 and the collection cavity 2 so as to collect liquid water in the collection cavity 2 and discharge the liquid water to the inner cavity of the drainage cavity 101.

Referring to fig. 2, a plurality of extension plates 202 are vertically welded on the upper surface of the collection cavity 2 around an operation hole 201, an embedded ring groove 203 is formed on the upper surface of the extension plate, and a sealing cover plate 4 is arranged in the embedded ring groove 203. An operator moves the detection body 1 to a room where an air sample is to be collected, discharges liquid water in the collection cavity 2 to the drainage cavity 101 (refer to fig. 1) through the water pipe 102, and closes the operation hole 201 with the sealing cover plate 4 after standing for a period of time to obtain the indoor air sample.

Referring to fig. 1 and 2, the upper surface of the sealing cover plate 4 is provided with an observation hole 401 along the thickness direction thereof, so that an operator can know the water storage condition in the collection cavity 2 at any time, and the condition of collecting an indoor air sample under the condition of small amount of liquid water is reduced. The inside wall of the observation hole 401 is adhered with an observation glass 402, and the observation glass 402 is preferably toughened glass to reduce the phenomenon that liquid water or collected air samples escape from the observation hole 401.

Referring to fig. 2 and 3, a rubber ring 403 is adhered to the outer side wall of the sealing cover plate 4, and the rubber ring 403 is located on the inner side wall of the embedding ring groove 203, so that the phenomenon of air circulation between the sealing cover plate 4 and the embedding ring groove 203 is reduced due to the soft and easily deformable characteristic of the rubber ring. A plurality of deformation cavities 404 are arranged in parallel in the rubber ring 403, and the deformation cavities 404 extend along the width direction of the rubber ring 403 to improve the tightness of the connection between the sealing cover plate 4 and the extension plate 202.

Referring to fig. 4, two mounting plates 301 are vertically welded to the inner side wall of the test chamber 3 symmetrically and parallelly, and a partition plate 302 is rotatably disposed between the mounting plates 301 through a pin. The partition 302 is preferably a plastic plate having an iron piece (not shown) adhered to the upper surface thereof at one end in the longitudinal direction thereof. A magnetic sheet 303 is vertically adhered to the inner side wall of the test cavity 3, and the magnetic sheet 303 is preferably made of magnet which is magnetically attracted to the isolation plate 302 with one end provided with an iron sheet, so that the phenomenon that the gas in the collection cavity 2 sinks through the isolation plate 302 is reduced.

Referring to fig. 5, a ring of guard ring plate 304 is adhered to the inner side wall of the test chamber 3, and the guard ring plate 304 is preferably a plastic plate, and the lower surface of the guard ring plate is attached to the upper surface of the isolation plate 302 to further reduce the sinking of the gas through the isolation plate 302. The lower surface of the guard ring plate 304 is provided with a receding groove 305, and the receding groove 305 is matched with the magnetic sheet 303 so as to reduce the phenomenon that gas sinks at the joint of the magnetic sheet 303 and the isolation plate 302.

Referring to fig. 5, a fixing cylinder 5 is integrally formed on the upper surface of the test chamber 3, and one end of the fixing cylinder 5 in the length direction extends to the inner cavity of the test chamber 3. A piston rod 6 is slidably disposed in the fixed cylinder 5, and the length of the piston rod 6 is slightly longer than the distance between the fixed cylinder 5 and the horizontal isolation plate 302. The operator slides the piston rod 6 downwards and makes it abut against the upper surface of the isolation plate 302, so that the magnetic sheet 303 is separated from the isolation plate 302, and the gas in the collection cavity 2 sinks to the bottom of the test cavity 3 for detection. An air-closing plug 501 is adhered to the end wall of the fixed cylinder 5 far away from the test cavity 3, and the air-closing plug 501 is made of a flexible rubber plug so as to reduce the phenomenon that air flows in and out from the space between the piston rod 6 and the fixed cylinder 5.

Referring to fig. 5, the end of the piston rod 6 near the direction of the isolation plate 302 is provided with an elastic cord 601 by means of a rivet, and the elastic cord 601 is preferably provided with an elastic band which is elastically deformed, and the end thereof far from the direction of the piston rod 6 is provided with a locking hook 602 by means of a rivet. The locking hook 602 is preferably a resiliently depressible hook, and the spacer 302 has a snap ring 603 integrally formed on the upper surface thereof. The locking hook 602 is connected with the clamping ring 603 in a buckling manner, so that the elastic rope 601 is fixedly connected with the clamping ring 603, an operator drives the elastic rope 601 to rotate reversely on the isolation plate 302 by sliding the piston rod 6 upwards, and the magnetic sheet 303 and the isolation plate 302 are magnetically adsorbed to reduce sinking of gas.

The working principle is as follows:

move the detection organism 1 to the indoor of waiting to gather the air sample, open sealed apron 4, will gather the liquid water in the cavity 2 simultaneously and arrange to drainage cavity 101 inner chamber through water service pipe 102, the period of standing so that indoor gas gets into in gathering the cavity 2, insert sealed apron 4 in the ring groove 203 that sets in at last.

Press piston rod 6 downwards, make piston rod 6 be close to the one end of division board 302 direction and offset with division board 302 upper surface, and then make division board 302 break away from magnetic sheet 303 to gather the gas in the cavity 2 and sink to experimental cavity 3 bottom through leading to connecting pipe 204, operating personnel is through the display screen that detects organism 1 with understanding and the gas data of analysis collection in experimental cavity 3.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an indoor empty gas detection surveys sample collection system, is including detecting organism (1), being located collection cavity (2) and experimental cavity (3) that detect organism (1) upper surface, experimental cavity (3) are located one side of gathering cavity (2) width direction, its characterized in that: an operation hole (201) penetrates through the upper surface of the collection cavity (2) along the thickness direction of the collection cavity, a plurality of extension plates (202) are vertically arranged on the upper surface of the collection cavity (2) around the operation hole (201), an embedded ring groove (203) is arranged on the upper surface of each extension plate (202), and a sealing cover plate (4) is arranged on the inner side wall of each embedded ring groove (203); the detection machine body is characterized in that a drainage cavity (101) is arranged at one end of the detection machine body (1) in the length direction, a water pipe (102) is arranged between the drainage cavity (101) and the collection cavity (2), and a communication pipe (204) is arranged between the collection cavity (2) and the test cavity (3).

2. The indoor air detection sample collection device according to claim 1, wherein: a plurality of mounting plates (301) are vertically arranged on the inner side wall of the test cavity (3), and isolation plates (302) are rotatably arranged between the mounting plates (301); the inner side wall of the test cavity (3) is vertically provided with a magnetic sheet (303), and the magnetic sheet (303) is magnetically attracted with one end of the length direction of the isolation plate (302).

3. The indoor air detection sample collection device according to claim 2, wherein: experimental cavity (3) inside wall is provided with guard ring board (304), guard ring board (304) lower surface is provided with groove of stepping down (305), groove of stepping down (305) and magnetic sheet (303) looks adaptation.

4. The indoor air detection sample collection device according to claim 3, wherein: experimental cavity (3) upper surface vertical is provided with solid fixed cylinder (5), gu fixed cylinder (5) length direction's one end extends to experimental cavity (3) inner chamber, it is provided with piston rod (6) to slide in solid fixed cylinder (5), gu fixed cylinder (5) keep away from the end wall of experimental cavity (3) direction and be provided with air-lock (501).

5. The indoor air detection sample collection device according to claim 4, wherein: an elastic rope (601) is arranged at one end of the piston rod (6) close to the direction of the isolation plate (302), a clamping ring (603) is arranged on the upper surface of the isolation plate (302), and a locking hook (602) is arranged between the elastic rope (601) and the clamping ring (603).

6. The indoor air detection sample collection device according to claim 1, wherein: the upper surface of the sealing cover plate (4) is provided with an observation hole (401) in a penetrating manner along the thickness direction of the sealing cover plate, and observation glass (402) is arranged on the inner side wall of the observation hole (401).

7. The indoor air detection sample collection device according to claim 6, wherein: the outer side wall of the sealing cover plate (4) is provided with a rubber ring (403), and the rubber ring (403) is positioned on the inner side wall of the embedding ring groove (203).

8. The indoor air detection sample collection device according to claim 7, wherein: a plurality of deformation cavities (404) are arranged in the rubber ring (403), and the deformation cavities (404) extend along the width direction of the rubber ring (403).