CN202814844U - Detecting platform device for particulate matter (PM) - Google Patents
Detecting platform device for particulate matter (PM) Download PDFInfo
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- CN202814844U CN202814844U CN 201220522173 CN201220522173U CN202814844U CN 202814844 U CN202814844 U CN 202814844U CN 201220522173 CN201220522173 CN 201220522173 CN 201220522173 U CN201220522173 U CN 201220522173U CN 202814844 U CN202814844 U CN 202814844U
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- seat
- air flue
- supporting network
- detector
- eccentric wheel
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Abstract
A detecting platform device for PM belongs to the technical field of atmospheric automatic monitoring equipment and is used for achieving rapid, reliable and real-time detection for atmospheric particulates. The detecting platform device is composed of an upper airway sample gas dust sample collecting and detecting portion, a platform paper-press sealing mechanism, an actuator for motion of a support screen seat plate and an exhaust and C<14> radioactive source mounting mechanism, wherein a detector seat of the upper airway sample gas dust sample collecting and detecting portion is connected under a detector mounting plate, a detector is mounted on the lower portion of the detector seat, a dustproof film is bonded on an upper airway support screen placed in a locating hole of an upper airway seat, a silicone rubber pad is positioned on the upper airway support screen, the upper airway seat contacts with the bottom of the detector and the detector mounting plate, and a sample gas inlet channel is arranged on the upper airway seat. The detecting platform device has the advantages that the structure is simple, a platform paper advance mechanism is stable and reliable, the detection repeatability is high, real-time data can be provided, the operation cycle is long, the device is convenient to maintain, and the like.
Description
Technical field
The utility model relates to a kind of Atmospheric particulates automated monitor, relates in particular to a kind of particle detection platform device of β radiation absorption principle, belongs to the air automatic monitoring equipment technical field.
Technical background
In recent years, marked change has occured in the environmental air pollution feature, by the dust pollution epoch to dust pollution+sulfate contamination, till now combined pollution epoch of dust pollution+sulfate+nitrate again.Regional atmosphere polluting problem becomes increasingly conspicuous, and the compound air pollution episodes such as grey haze, photo-chemical smog and acid rain occur again and again, and particularly fine particles pollution has caused the numerous common people's concern.
The automatic monitoring method of air particle has at present: β attenuation sensors, micro-oscillating balance method, light scattering method.The most widely used particle automonitor that mainly contains β radiation absorption principle in monitoring stations at different levels wherein, the method mainly is to come the mass concentration of count particles thing by measuring ray through the loss with the filter paper of particle, adopts different cutters can monitor overall suspended pellet TSP, pellet PM in the atmosphere
10, can enter lung particle PM
2.5And PM
1
This quasi-instrument major part is external import instrument in the market, its detection platform complex structural designs, and requirement on machining accuracy is high, and expensive, the accessory of instrument and expendable part need be bought genuine part, and maintenance cost is high, is unfavorable for popularizing in an all-round way using.And the minority domestic equipment is because of the restriction of design and the condition such as processing technology, and failure rate is higher, and the phenomenon such as the paper that breaks paperboard often appears, in detection platform especially.
The utility model content
Technical problem to be solved in the utility model provide a kind of have simple in structure, be easy to processing, the platform paper advance mechanism is reliable and stable, it is high to detect repeatability, and can provide in real time a kind of particle detection platform device of the characteristics such as data.
The technical scheme that solves the problems of the technologies described above is:
A kind of particle detection platform device, it is collected and the test section by upper air flue sample gas dirt sample, platform platen sealing mechanism, the topworks of supporting network seat board motion, exhaust and C14 radioactive source installing mechanism form, wherein go up the collection of air flue sample gas dirt sample and test section and comprise the detector installing plate, the detector seat, detector, upper air flue supporting network, upper air flue seat, dustproof membrane, silicone rubber pad, the detector seat is connected to the below of detector installing plate by bolt, detector is installed in detector seat bottom by jackscrew, dustproof membrane is bonded on the air flue supporting network, upper air flue supporting network is placed in the pilot hole of air flue seat, silicone rubber pad is positioned at above the air flue supporting network, the upper surface of upper air flue seat contacts with the bottom surface of detector, upper air flue seat is connected with the detector installing plate by bolt, and sample gas access road is arranged on the upper air flue seat.
Above-mentioned particle detection platform device, described platform platen sealing mechanism comprises the air flue seal pad, upper air flue pressure ring, supporting network, the supporting network seat board, upper air flue pressure ring is bonded in the locating slot below the air flue seal pad, the bottom surface of upper air flue pressure ring protrude upper air flue seal pad the bottom surface, the supporting network seat board be positioned at the air flue seal pad the below, supporting network is bonded in the locating slot on the supporting network seat board, be lower than above the supporting network supporting network seat board above, the bottom surface of the top and upper air flue pressure ring of supporting network is relative, and detected paper tape is between upper air flue pressure ring and supporting network.
Above-mentioned particle detection platform device, the topworks of described support web plate motion is the pressure arm structure, the pressure arm structure is comprised of driving eccentric wheel, pressure arm, one end of pressure arm is positioned at and drives eccentric top, be connected with the driving eccentric wheel, the other end of pressure arm is connected with the supporting network seat board, and the middle part of pressure arm is connected on the air flue seat, is that rotating axle is connected with upper air flue seat.
Above-mentioned particle detection platform device, the topworks of described support web plate motion is by web joint, the eccentric wheel mount pad, the downtake seat, eccentric wheel, the eccentric wheel drive motor, connecting bottom board forms, two web joints are connected to the both sides of supporting network seat board, connecting bottom board is connected between the lower end of two web joints, the downtake seat is between two web joints, be positioned at the below of supporting network seat board, the eccentric wheel mount pad is connected by bolt with downtake seat bottom, the eccentric wheel drive motor is connected by bolt with the eccentric wheel mount pad, eccentric wheel is connected with the eccentric wheel drive motor by driving shaft, eccentric wheel contacts with connecting bottom board, the downtake seat is connected with location-plate with bolt by straight pin, and location-plate is connected with the installation base plate of instrument by bolt.
Above-mentioned particle detection platform device, described exhaust and C
14The radioactive source installing mechanism comprises O shape circle, O shape circle locating sleeve, spring, C
14Radioactive source, source(-)holder, source(-)holder cover, O shape circle locating sleeve is located and is attached thereto by the ring groove on the downtake seat and connects, and spring is connected C by the spring mounting hole on the downtake seat with the downtake seat
14Radioactive source is connected on the locating slot of source(-)holder, and source(-)holder and source(-)holder cover are spun by screw thread, and source(-)holder cover is connected by bolt with the downtake seat and uses seal with O ring.
Above-mentioned particle detection platform device, described upper air flue sample gas dirt sample is collected and the monitoring part is connected by bolt with exhaust and C14 radioactive source installing mechanism; Described platform platen sealing mechanism is connected respectively at collect and monitor part, exhaust and C14 radioactive source installing mechanism with upper air flue sample gas dirt sample by guidepost.
Usefulness of the present utility model is:
The utility model can realize that the stable, accurate of particle concentration detects, and is applied on the particle automonitor, realizes continuous, online, real-time, the automatically monitoring of particle.The utlity model has simple in structure, be easy to processing, the platform paper advance mechanism is reliable and stable, detect repeatability high, collect dirt sample position identical with the detector detection position, can provide in real time data, the remarkable advantages such as the cycle of operation is long, easy to maintenance have higher economic benefit and social benefit.
Description of drawings
Fig. 1 is general structure synoptic diagram of the present utility model;
Fig. 2 is a kind of structural representation of the present utility model;
Fig. 3 is another kind of structural representation of the present utility model;
Fig. 4 is topworks's structural representation of the supporting network seat board motion of Fig. 3.
Mark is as follows among the figure: topworks 3, exhaust and the C of upper air flue sample gas dirt sample collection and test section 1, platform platen sealing mechanism 2, the motion of supporting network seat board
14Radioactive source installing mechanism 4, detector installing plate 5, detector seat 6, detector 7, silicone rubber pad 8, dustproof membrane 9, upper air flue supporting network 10, upper air flue seat 11, upper air flue seal pad 12, upper air flue pressure ring 13, supporting network 14, drive eccentric wheel 15, pressure arm 16, supporting network seat board 17, O shape circle locating sleeve 18, O shape circle 19, location-plate 20, spring 21, downtake seat 22, source(-)holder 23, source(-)holder cover 24, O shape circle 25, web joint 26, eccentric wheel mount pad 27, eccentric wheel 28, driving shaft 29, drive motor 30, connecting bottom board 31.
Embodiment
Fig. 1 shows, the utility model is collected by upper air flue sample gas dirt sample and topworks 3, exhaust and the C of test section 1, platform platen sealing mechanism 2, the motion of supporting network seat board
14Radioactive source installing mechanism 4 four parts form.
Fig. 2 shows, upper air flue sample gas dirt sample collect and monitoring part 1 by the detector installing plate 5 of fixing Beta ray detecting apparatus detector 7 and detector seat 6, with the upper air flue seat 11 of sample gas access road, for the protection of upper air flue supporting network 10 and the dustproof membrane 9 of detector film and guarantee that the bubble-tight silicone rubber pad 8 of air flue forms.With two socket head cap screws detector seat 7 is linked to each other with detector installing plate 5, with two jackscrews detector 7 is linked to each other with detector seat 6 again.With dustproof membrane 9 and upper air flue supporting network 10 bondings, the upper air flue supporting network 10 that glues is put into the pilot hole of upper air flue seat 11, silicone rubber pad 8 is placed on above the upper air flue supporting network 10, with socket head cap screw mounted detector installing plate 5 is linked to each other with upper air flue seat 11.
Platform platen sealing mechanism 2 by the upper air flue seal pad 12 that is sealed into air vent channel, be used for to compress paper tape and prevent that the upper air flue pressure ring 13, supporting network 14 and the supporting network seat board 17 that leak gas from forming.The paper tape that needs to detect places between air flue pressure ring 13 and the supporting network 14.Upper air flue pressure ring 13 sticks with glue knot upper air flue seal pad 12 below in the locating slot, and requires the bottom surface of upper air flue pressure ring 13 to protrude the upward bottom surface of air flue seal pad 12.Supporting network 14 sticks with glue in the locating slot of knot on supporting network seat board 17, require supporting network 14 top to be lower than supporting network seat board 17 above.Such mechanism can compress paper tape, prevents that paper tape is subjected to displacement when sampling, and air flue can be sealed, and prevents a large amount of gas leakage.The compression of upper air flue pressure ring 13 and supporting network 14 holds out against by the spring 21 that links to each other with downtake seat 22 mainly that supporting network seat board 17 realizes, and by the elastic deformation of O shape circle 19 supporting network seat board 17 and downtake seat 22 is sealed the impermeability that guarantees whole air flue.
The topworks 3 of supporting network seat board of the present utility model motion mainly is the elevating mechanism that unclamps the paper tape paper feed when compression paper tape and supporting network seat board 17 move down when move on the supporting network seat board 17, this elevating mechanism can be pressure arm structure as shown in Figure 2, moves up and down under the drive of a driving eccentric wheel 15; Also can be as shown in Figure 3, be moved up and down under the drive of eccentric wheel 28 by the mechanism that is installed on the supporting network seat board 17.
Major requirement to the topworks 3 of supporting network seat board motion is: supporting network seat board 17 can compress paper tape above being positioned under the resiliency supported effect of spring 21 under normal circumstances, and is enclosing the impermeability that guarantees whole inlet channel under the effect of 19 elastic deformations with O shape.Requirement supporting network seat board 17 was positioned at the below and unclamps paper tape when paper tape need to move and change collection dirt sample position.Thereby realize the process of platen and paper feed.
Fig. 2 shows that the pressure arm structure is comprised of driving eccentric wheel 15, pressure arm 16, supporting network seat board 17, and above air flue seat 11 is fulcrum, and the long end of pressure arm 16 is moved under the drive that drives eccentric wheel 15, and drives pressure arm 16 short ends compression or lift supporting network seat board 17.
When driving eccentric wheel 15 goes to peak, pressure arm 16 1 ends that link to each other with driving eccentric wheel 15 also go to peak, and the other end can go to minimum point, and the supporting network seat board 17 that links to each other with pressure arm 16 is moved downward to minimum point under guide positioning pin is auxiliary, unclamp paper tape.Otherwise when driving eccentric wheel 15 goes to minimum point, pressure arm 16 1 ends that link to each other with eccentric wheel 15 also go to minimum point, and the other end can go to peak, the supporting network seat board 17 that links to each other with pressure arm 16 is moved upward to peak under the booster action of guide positioning pin and O shape circle 19 and spring 21, compress paper tape.Pressure arm 16 adopts rolling bearing with supporting network seat board 17 contact jaws, brings supporting network seat board 17 tangential force to the right to eliminate pressure arm 16 in rotation process.
Fig. 3,4 shows, the topworks 3 of supporting network seat board 17 motions is comprised of supporting network seat board 17, web joint 26, eccentric wheel mount pad 27, downtake seat 22, eccentric wheel 28, eccentric wheel drive motor 30, connecting bottom board 31, by web joint 26 supporting network seat board 17 is linked to each other with connecting bottom board 31, under the rotation of eccentric wheel 28, realize compressing or lifting supporting network seat board 17.
Supporting network seat board 17 links to each other with web joint 26 by socket head cap screw with connecting bottom board 31, eccentric wheel 28 mount pads 27 link to each other with 4 socket head cap screws with downtake seat 22 bottoms, eccentric wheel drive motor 30 usefulness screws link to each other with eccentric wheel mount pad 27, eccentric wheel 28 links to each other with eccentric wheel drive motor 30 by driving shaft 29, after installing, eccentric wheel 28 contacts with connecting bottom board 31 all the time, eccentric wheel 28 rotates under the driving of eccentric wheel drive motor 30, drives connecting bottom board 31 and move up and down under the booster action of the rotation of eccentric wheel 28 and O shape circle 19 and spring 31.When the height point of eccentric wheel 28 went to the below, connecting bottom board 31 also can move to below, and the supporting network seat board 17 that is attached thereto by web joint 26 also can move to below, unclamps paper tape.When the height point of eccentric wheel 28 goes to the top, supporting network seat board 17 also can move to the top under the booster action of the resiliency supported of spring 21 and O shape circle 19, compress paper tape, at this moment, the connecting bottom board 31 that is attached thereto by web joint 26 also can move to the top and contact with the low spot of eccentric wheel 28.
2 straight pins of downtake seat 22 usefulness with are connected a socket head cap screw and are connected with location-plate 20, location-plate 20 is connected with the installation base plate of instrument by 4 socket head cap screws.
Fig. 2,3 shows exhaust and C
14Radioactive source installing mechanism 4 is by the O shape circle 19 that upwards compresses supporting network seat board 17 and O shape circle locating sleeve 18 and spring 21, with sample gas venthole passage and C is installed
14The downtake seat 22 of the source(-)holder 23 of radioactive source and source(-)holder cover 24 forms.O shape circle locating sleeve 18 is located and is attached thereto by the ring groove on the downtake seat 22, and spring 21 links to each other C by the spring mounting hole on the downtake seat 22 with downtake seat 22
14Radioactive source is attached thereto by the locating slot on the source(-)holder 23, and source(-)holder 23 links to each other with source(-)holder cover 24 usefulness screw threads, and source(-)holder cover 24 links to each other with downtake seat 22 usefulness socket head cap screws and seals with O shape circle 25, with anti-gas-leak.
Upper air flue sample gas dirt sample of the present utility model is collected and monitoring part 1 and exhaust and C
143 socket head cap screws of radioactive source installing mechanism 4 usefulness connect, and platform platen sealing mechanism 2 usefulness guideposts and upper air flue sample gas dirt sample are collected and monitoring part 1 and exhaust and C
14Radioactive source installing mechanism 4 connects.The topworks of supporting network seat board motion can be the pressure arm structure, and above air flue seat 11 is fulcrum, and the long end of pressure arm 16 is moved under the drive of eccentric wheel 28, and drives pressure arm 16 short ends compression or lift supporting network seat board 17; The topworks of described supporting network seat board 17 also can link to each other supporting network seat board 17 by web joint 26 with connecting bottom board 31, under the rotation of eccentric wheel 28, realize compressing or lifting supporting network seat board 17.
Claims (6)
1. particle detection platform device is characterized in that: it is collected by upper air flue sample gas dirt sample and topworks (3), exhaust and the C of test section (1), platform platen sealing mechanism (2), the motion of supporting network seat board
14Radioactive source installing mechanism (4) forms, wherein go up the collection of air flue sample gas dirt sample and test section (1) and comprise detector installing plate (5), detector seat (6), detector (7), upper air flue supporting network (10), upper air flue seat (11), dustproof membrane (9), silicone rubber pad (8), detector seat (6) is connected to the below of detector installing plate (5) by bolt, detector (7) is installed in detector seat (6) bottom by jackscrew, dustproof membrane (9) is bonded on the air flue supporting network (10), upper air flue supporting network (10) is placed in the pilot hole of air flue seat (11), silicone rubber pad (8) is positioned at above the air flue supporting network (10), the upper surface of upper air flue seat (11) contacts with the bottom surface of detector (7), upper air flue seat (11) is connected with detector installing plate (5) by bolt, and sample gas access road is arranged on the upper air flue seat (11).
2. particle detection platform device according to claim 1, it is characterized in that: described platform platen sealing mechanism (2) comprises air flue seal pad (12), upper air flue pressure ring (13), supporting network (14), supporting network seat board (17), upper air flue pressure ring (13) is bonded in the following locating slot of air flue seal pad (12), the bottom surface of upper air flue seal pad (12) is protruded in the bottom surface of upper air flue pressure ring (13), supporting network seat board (17) is positioned at the below of air flue seal pad (12), supporting network (14) is bonded in the locating slot on the supporting network seat board (17), be lower than above the supporting network (14) supporting network seat board (17) above, the bottom surface of the top and upper air flue pressure ring (13) of supporting network (14) is relative, and detected paper tape is positioned between air flue pressure ring (13) and the supporting network (14).
3. particle detection platform device according to claim 2, it is characterized in that: the topworks (3) of described support web plate motion is the pressure arm structure, the pressure arm structure is comprised of driving eccentric wheel (15), pressure arm (16), one end of pressure arm (16) is positioned at the top that drives eccentric wheel (15), be connected with driving eccentric wheel (15), the other end of pressure arm (16) is connected with supporting network seat board (17), the middle part of pressure arm (16) is connected on the air flue seat (11), is connected for rotating axle with upper air flue seat (11).
4. particle detection platform device according to claim 2, it is characterized in that: the topworks (3) of described support web plate motion is by web joint (26), eccentric wheel mount pad (27), downtake seat (22), eccentric wheel (28), eccentric wheel drive motor (30), connecting bottom board (31) forms, two web joints (26) are connected to the both sides of supporting network seat board (17), connecting bottom board (31) is connected between the lower end of two web joints (26), downtake seat (22) is between two web joints (26), be positioned at the below of supporting network seat board (17), eccentric wheel mount pad (27) is connected by bolt with downtake seat (22) bottom, eccentric wheel drive motor (30) is connected by bolt with eccentric wheel mount pad (27), eccentric wheel (28) is connected with eccentric wheel drive motor (30) by driving shaft, eccentric wheel (28) contacts with connecting bottom board (31), downtake seat (22) is connected with location-plate (20) with bolt by straight pin, and location-plate (20) is connected with the installation base plate of instrument by bolt.
5. it is characterized in that: described exhaust and C according to claim 3 or 4 described particle detection platform devices,
14Radioactive source installing mechanism (4) comprises O shape circle (19), O shape circle locating sleeve (18), spring (21), C
14Radioactive source, source(-)holder (23), source(-)holder cover (24), O shape circle locating sleeve (18) is located and is attached thereto by the ring groove on the downtake seat (22) and connects, spring (21) is connected C by the spring mounting hole on the downtake seat (22) with downtake seat (22)
14Radioactive source is connected on the locating slot of source(-)holder (23), and source(-)holder (23) is spun by screw thread with source(-)holder cover (24), and source(-)holder cover (24) is connected by bolt with downtake seat (22) and seals with O shape circle (19).
6. particle detection platform device according to claim 5 is characterized in that: described upper air flue sample gas dirt sample collection and monitoring part (1) and exhaust and C
14Radioactive source installing mechanism (4) is connected by bolt; Described platform platen sealing mechanism (2) by guidepost respectively at collecting and monitoring part (1), exhaust and C with upper air flue sample gas dirt sample
14Radioactive source installing mechanism (4) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522173 CN202814844U (en) | 2012-10-12 | 2012-10-12 | Detecting platform device for particulate matter (PM) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522173 CN202814844U (en) | 2012-10-12 | 2012-10-12 | Detecting platform device for particulate matter (PM) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814844U true CN202814844U (en) | 2013-03-20 |
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ID=47873703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522173 Expired - Lifetime CN202814844U (en) | 2012-10-12 | 2012-10-12 | Detecting platform device for particulate matter (PM) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814844U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917862A (en) * | 2017-12-29 | 2018-04-17 | 安徽蓝盾光电子股份有限公司 | A kind of Beta ray method particle monitoring devices with automatic early-warning |
| CN112730179A (en) * | 2020-12-23 | 2021-04-30 | 天津智易时代科技发展有限公司 | Portable beta-ray in-situ online monitor and monitoring method |
| CN117740853A (en) * | 2024-02-19 | 2024-03-22 | 天津美腾科技股份有限公司 | Ore pulp ash instrument and ore pulp detection method |
-
2012
- 2012-10-12 CN CN 201220522173 patent/CN202814844U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917862A (en) * | 2017-12-29 | 2018-04-17 | 安徽蓝盾光电子股份有限公司 | A kind of Beta ray method particle monitoring devices with automatic early-warning |
| CN112730179A (en) * | 2020-12-23 | 2021-04-30 | 天津智易时代科技发展有限公司 | Portable beta-ray in-situ online monitor and monitoring method |
| CN112730179B (en) * | 2020-12-23 | 2023-03-03 | 天津智易时代科技发展有限公司 | Portable beta-ray in-situ online monitor and monitoring method |
| CN117740853A (en) * | 2024-02-19 | 2024-03-22 | 天津美腾科技股份有限公司 | Ore pulp ash instrument and ore pulp detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
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| CX01 | Expiry of patent term |