CN210400957U - Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants - Google Patents
Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants Download PDFInfo
- Publication number
- CN210400957U CN210400957U CN201920960737.6U CN201920960737U CN210400957U CN 210400957 U CN210400957 U CN 210400957U CN 201920960737 U CN201920960737 U CN 201920960737U CN 210400957 U CN210400957 U CN 210400957U
- Authority
- CN
- China
- Prior art keywords
- air
- wall
- sampling chamber
- sampling
- indoor air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 59
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 19
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 abstract description 6
- 230000004927 fusion Effects 0.000 abstract description 4
- 239000000356 contaminant Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a passive form adsorption sampling device that indoor air volatility pollutant concentration detected, including the sampling chamber, the welding of top one end intermediate position of sampling chamber has the support, and one side outer wall of support is provided with the air duct, the top outer wall of air duct is provided with pressure sensor, the welding of one side intermediate position of sampling chamber has the intake pipe, and the inside of intake pipe is provided with the second solenoid valve, the welding of the opposite side intermediate position of sampling chamber has the outlet duct, and the inside of outlet duct is provided with first solenoid valve, the relative one side inner wall butt fusion of intake pipe and outlet duct has the gasbag, the relative one side outer wall of sampling chamber all is provided with electric putter. The utility model discloses a pressure sensor detects atmospheric pressure for two splint break away from the gasbag, and the gasbag resumes the original state, forms passive form and adsorbs the purpose of room air, and in the air escape into detection device of sampling through the outlet duct, form the room air sampling operation of deciding the volume.
Description
Technical Field
The utility model relates to an indoor empty gas detection surveys technical field, especially relates to the passive form that indoor air volatility pollutant concentration detected adsorbs sampling device.
Background
Volatile pollutant is one of the main factors that influence people's living environment in the indoor air, in order to solve the problem of indoor air quality fast, needs people to carry out the preliminary examination operation to indoor environment, and the method that detects often is the sampling detection, and the sampling detects the well partial air suction that needs to utilize the instrument to detect indoor in detecting device.
At present, the sampling detection of the existing indoor air volatile pollutants still needs to utilize various instruments to draw air into the interior of the detection device, and cannot form the passive sampling operation of the air flowing into the detection device, so that the operation is inconvenient, and therefore, the passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants needs to be designed urgently to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a passive adsorption sampling device for detecting the concentration of indoor air volatile pollutants.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
sampling device is adsorbed to passive form that indoor air volatility pollutant concentration detected, including the sampling chamber, the welding of top one end intermediate position of sampling chamber has the support, and one side outer wall of support is provided with the air duct, the top outer wall of air duct is provided with pressure sensor, the welding of one side intermediate position of sampling chamber has the intake pipe, and the inside of intake pipe is provided with the second solenoid valve, the welding of opposite side intermediate position of sampling chamber has the outlet duct, and the inside of outlet duct is provided with first solenoid valve, the relative one side inner wall butt fusion of intake pipe and outlet duct has the gasbag, the relative one side outer wall of sampling chamber all is provided with electric putter, and electric putter's extension all welds the relative one side outer wall of entering sampling chamber has the connecting rod, the equal butt fusion of relative one side outer wall of connecting rod has splint.
As a further aspect of the present invention: and a first air hood is arranged on the outer wall of the bottom of the air duct.
As a further aspect of the present invention: and a second air hood is arranged on the outer wall of the other side of the air inlet pipe.
As a further aspect of the present invention: and a connecting sleeve is welded on the other side of the air outlet pipe.
As a further aspect of the present invention: supporting legs are welded at four corners of the outer wall of the bottom of the sampling chamber.
As a further aspect of the present invention: the top outer wall of sampling chamber is provided with the battery box, and the inside of battery box is provided with the battery, and electric putter, pressure sensor, first solenoid valve and second solenoid valve all are connected with the switch through the wire, and the switch is connected with the treater through the wire, and pressure sensor's signal output part passes through the signal line and is connected with the signal input part of treater.
As a further aspect of the present invention: the bottom of the supporting leg is externally provided with universal wheels.
The utility model has the advantages that:
1. the second electromagnetic valve is opened through the arranged first air hood, the air guide pipe, the pressure sensor, the electric push rods, the air bag, the air inlet pipe and the second electromagnetic valve, when the concentration of indoor air pollutants is higher, the density of indoor air is higher than that of outdoor air, when the temperature and the volume are fixed, the pressure intensity is higher if the air density is higher, the air pressure is detected through the pressure sensor, the clamping plates on the two electric push rods are driven by the processor to be separated from the air bag, and the air bag restores to the original state to achieve the purpose of passively adsorbing the indoor air;
2. the connecting sleeve is connected with the detection device through the arranged first electromagnetic valve, the air outlet pipe, the connecting sleeve and the air bag, when the air bag is restored to the original state, the volume of adsorbing indoor air is certain, the first electromagnetic valve is opened, and the sampled air is discharged into the detection device through the air outlet pipe to form indoor air sampling operation with fixed volume.
Drawings
Fig. 1 is a schematic overall structure diagram of a passive adsorption sampling device for detecting the concentration of indoor air volatile pollutants according to embodiment 1;
fig. 2 is a schematic top-view cross-sectional structure diagram of the passive adsorption sampling device for detecting the concentration of the indoor air volatile contaminants according to embodiment 1;
FIG. 3 is a schematic view of the airbag deployment structure of the passive adsorption sampling device for detecting the concentration of volatile contaminants in indoor air according to embodiment 1;
fig. 4 is a schematic view of the overall structure of the passive adsorption sampling device for detecting the concentration of the indoor air volatile contaminants according to embodiment 2.
In the figure: 1 sampling chamber, 2 electric putter, 3 outlet ducts, 4 adapter sleeves, 5 battery boxes, 6 supports, 7 pressure sensor, 8 first gas covers, 9 second gas covers, 10 supporting legs, 11 gasbags, 12 first solenoid valves, 13 connecting rods, 14 second solenoid valves, 15 splint, 16 universal wheels.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, a passive adsorption sampling device for detecting the concentration of volatile pollutants in indoor air comprises a sampling chamber 1, a bracket 6 welded at the middle position of one end of the top of the sampling chamber 1, an air duct connected with the outer wall of one side of the bracket 6 through a bolt, a pressure sensor 7 connected with the outer wall of the top of the air duct through a bolt, an air inlet pipe welded at the middle position of one side of the sampling chamber 1, a second electromagnetic valve 14 connected with the inside of the air inlet pipe through a bolt, an air outlet pipe 3 welded at the middle position of the other side of the sampling chamber 1, a first electromagnetic valve 12 connected with the inside of the air outlet pipe 3 through a bolt, an air bag 11 welded at the inner wall of the air inlet pipe and the air outlet pipe 3, an electric push rod 2 connected with the outer wall of the opposite side of the sampling chamber, the equal butt fusion of one side outer wall relative of connecting rod 13 has splint 15, and splint 15 is the rubber material, utilizes two electric putter 2 to drive splint 15 and breaks away from gasbag 11, and gasbag 11 resumes former state, forms passive absorption room air's purpose, and the air with the sampling is discharged the detection device in through outlet duct 3, forms the room air sampling operation of deciding the volume.
Wherein, the outer wall of the bottom of the air duct is connected with a first air hood 8 through a bolt.
Wherein, the other side outer wall of intake pipe has second gas hood 9 through bolted connection.
Wherein, the other side of the air outlet pipe 3 is welded with a connecting sleeve 4.
Wherein, the supporting legs 10 have all been welded in the bottom outer wall four corners of sampling chamber 1.
Wherein, there is battery box 5 top outer wall of sampling chamber 1 through bolted connection, and there is the battery box 5 inside through bolted connection, electric putter 2, pressure sensor 7, first solenoid valve 12 and second solenoid valve 14 all are connected with the switch through the wire, the switch is connected with the treater through the wire, the model of treater is ARM9TDMI, pressure sensor 7's signal output part passing signal line is connected with the signal input part of treater, electric putter 2, pressure sensor 7, first solenoid valve 12 and second solenoid valve 14 all are connected with the battery through switch and wire connection.
Example 2
Referring to fig. 4, the passive adsorption sampling device for detecting the concentration of the volatile pollutants in the indoor air, compared with embodiment 1, is provided with a universal wheel 16 connected to the bottom of the supporting leg 10 through a fastening bolt, so that the device is convenient to move.
The working principle is as follows: during the use, the user passes through adapter sleeve 4 with whole device and links to each other with detection device, open second solenoid valve 14, when indoor air pollutant concentration is higher, the density of indoor air can be greater than the density of outdoor air, when temperature and volume are certain, gas density is big more, pressure also is big more, set for pressure sensor 7's pressure range, when detecting indoor atmospheric pressure through pressure sensor 7 and surpassing this scope, splint 15 on two electric putter 2 are driven through the treater and break away from gasbag 11, make gasbag 11 resume original state, form the purpose of passive absorption room air, and open first solenoid valve 12, discharge the air of sampling into detection device through outlet duct 3, form the indoor air sampling operation of deciding the volume.
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 (7)
1. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants comprises a sampling chamber (1) and is characterized in that a support (6) is welded in the middle of one end of the top of the sampling chamber (1), an air guide pipe is arranged on the outer wall of one side of the support (6), a pressure sensor (7) is arranged on the outer wall of the top of the air guide pipe, an air inlet pipe is welded in the middle of one side of the sampling chamber (1), a second electromagnetic valve (14) is arranged inside the air inlet pipe, an air outlet pipe (3) is welded in the middle of the other side of the sampling chamber (1), a first electromagnetic valve (12) is arranged inside the air outlet pipe (3), an air bag (11) is welded on the inner wall of the air inlet pipe and the air outlet pipe (3) on the opposite side, an electric push rod (2) is arranged on the outer wall of the opposite side of the sampling chamber (1), and a connecting rod (13, the outer wall of one side of the connecting rod (13) is welded with a clamping plate (15), and the clamping plate (15) is made of rubber.
2. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants according to claim 1, characterized in that a first air hood (8) is arranged on the outer wall of the bottom of the air guide pipe.
3. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants as claimed in claim 2, wherein a second air hood (9) is arranged on the outer wall of the other side of the air inlet pipe.
4. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants according to claim 3, characterized in that a connecting sleeve (4) is welded on the other side of the air outlet pipe (3).
5. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants as claimed in claim 4, wherein four corners of the outer wall of the bottom of the sampling chamber (1) are welded with supporting legs (10).
6. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants according to any one of claims 1 to 5, wherein a battery box (5) is arranged on the outer wall of the top of the sampling chamber (1), a storage battery is arranged inside the battery box (5), the electric push rod (2), the pressure sensor (7), the first electromagnetic valve (12) and the second electromagnetic valve (14) are all connected with a switch through a lead, the switch is connected with a processor through a lead, and the signal output end of the pressure sensor (7) is connected with the signal input end of the processor through a signal line.
7. The passive adsorption sampling device for detecting the concentration of the indoor air volatile pollutants as claimed in claim 5, wherein universal wheels (16) are arranged outside the bottoms of the supporting legs (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960737.6U CN210400957U (en) | 2019-06-25 | 2019-06-25 | Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960737.6U CN210400957U (en) | 2019-06-25 | 2019-06-25 | Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210400957U true CN210400957U (en) | 2020-04-24 |
Family
ID=70350586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920960737.6U Expired - Fee Related CN210400957U (en) | 2019-06-25 | 2019-06-25 | Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210400957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964518A (en) * | 2021-02-10 | 2021-06-15 | 陈雅云 | A nitrogen gas concentration detection device for food storage warehouse |
-
2019
- 2019-06-25 CN CN201920960737.6U patent/CN210400957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964518A (en) * | 2021-02-10 | 2021-06-15 | 陈雅云 | A nitrogen gas concentration detection device for food storage warehouse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211426447U (en) | Water quality monitoring device | |
| US20100044372A1 (en) | Portable and collapsible chem./bio. isolators | |
| CN210400957U (en) | Passive adsorption sampling device for detecting concentration of indoor air volatile pollutants | |
| CN115856241B (en) | Portable water environment monitoring device | |
| CN108267551A (en) | Free-standing imflammable gas detection device | |
| CN209086020U (en) | A kind of surrounding air detection acquisition and detection integrated device | |
| CN213301968U (en) | High efficiency filter detection device | |
| CN211652766U (en) | Detection device for motor vehicle exhaust | |
| CN107588994A (en) | A kind of road surface airborne dust trap, airborne dust detection means and detection method | |
| CN205965112U (en) | Liquid waste collection device and liquid chromatogram | |
| CN209085754U (en) | A kind of Shockproof type constant temperature and humidity weighing device | |
| CN218524429U (en) | Atmospheric environment monitoring is with sampling device that bleeds | |
| CN210572202U (en) | Intelligent comprehensive air sampler gas detection analyzer | |
| CN212275374U (en) | Sampling device for atmospheric treatment | |
| CN211504879U (en) | Adjustable sampling tool for atmospheric pollution detection | |
| CN206330958U (en) | A kind of hand-held quick methanol detection device | |
| CN210180974U (en) | Portable hazardous gas detector with electrochemical sensor | |
| CN213658180U (en) | Medical glove air tightness detection device | |
| CN210834318U (en) | Sampling structure of atmospheric sampling analytical equipment | |
| CN210690516U (en) | Car air drying section of thick bamboo drying rate detection device | |
| CN210803408U (en) | Pollutant measuring system | |
| CN217954026U (en) | Sampling device for gas analyzer | |
| CN210136113U (en) | Fixed pollution source comprehensive sampling device | |
| CN212333293U (en) | Gas storage device for monitoring atmospheric composition | |
| CN219656103U (en) | Ash receiving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |