CN211148365U - Device for measuring concentration of atmospheric particulate matter based on β ray method - Google Patents
Device for measuring concentration of atmospheric particulate matter based on β ray method Download PDFInfo
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- CN211148365U CN211148365U CN201921710866.6U CN201921710866U CN211148365U CN 211148365 U CN211148365 U CN 211148365U CN 201921710866 U CN201921710866 U CN 201921710866U CN 211148365 U CN211148365 U CN 211148365U
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Abstract
The utility model discloses a device based on β ray method survey atmospheric particulates concentration, this device of atmospheric particulates concentration include the detection case, the front end surface of detection case has the cabinet door through hinge movable mounting, and the front end surface of cabinet door is close to the right side position and has the handle through bolt fixed mounting, draws and rises the frame, the top surface of detection case is close to the four corners position and has all seted up the guiding groove the device based on β ray method survey atmospheric particulates concentration, draw and rise the frame through setting up in the top of detection case to drawing and rise the position connection honeycomb panel all around of frame, can protect the collecting vessel, avoid object and collecting vessel to collide, set up the heating plate through the bottom surface at a fender ring, can heat the air that gets into the collecting vessel, avoid the moisture in the air to glue the internal surface at the collecting vessel, thereby make the dust can's unable inner wall that adheres to the collecting vessel, improve holistic detection effect.
Description
Technical Field
The utility model relates to an empty gas detection surveys technical field, in particular to device based on β ray method survey atmospheric particulates concentration.
Background
The device for measuring the concentration of atmospheric particulate matters based on the β ray method utilizes the principle of Beta ray attenuation, ambient air is sucked into a sampling tube by a sampling pump, and is discharged after passing through a filter membrane, particulate matters are precipitated on the filter membrane, when β rays pass through the filter membrane deposited with the particulate matters, the energy of the Beta rays is attenuated, and the concentration of the particulate matters can be calculated by measuring the attenuation;
the existing device for measuring the concentration of the atmospheric particulates has certain disadvantages in use, firstly, when the existing device for measuring the concentration of the atmospheric particulates is used, a collecting cylinder is exposed outside and cannot be protected, so that objects often collide with the surface of the collecting cylinder, the surface of the collecting cylinder is damaged, and the use safety of the device is influenced, secondly, when the existing device for measuring the concentration of the atmospheric particulates detects air, the air needs to be introduced into the device, because the air contains a large amount of dust and moisture, the moisture is attached to the inner surface of the collecting cylinder and attracts the surrounding dust to be attached to the inner surface of the collecting cylinder, the ventilation effect of the device is improved, and meanwhile, in the flowing process of the air, the dust on the surface of the collecting cylinder is brought down to influence the accuracy of detection data, and therefore, the device for measuring the concentration of the atmospheric particulates based on the β ray method is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a survey device of atmospheric particulates concentration based on β ray method, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an apparatus for measuring atmospheric particulate matter concentration based on β ray method, the apparatus comprising:
the outer surface of the front end of the detection box is movably provided with a cabinet door through a hinge, and the outer surface of the front end of the cabinet door is fixedly provided with a handle close to the right side through a bolt;
the detection box comprises a pulling-up frame, wherein guide grooves are formed in the positions, close to four corners, of the outer surface of the top end of the detection box, guide rods are movably mounted on the inner surfaces of the guide grooves, the four guide rods are respectively welded to the positions, close to the four corners, of the outer surface of the bottom end of the pulling-up frame, the outer surface of the top end of the detection box is respectively provided with an accommodating groove close to the periphery, and a plurality of honeycomb plates are placed on the inner surface of;
the heating plate, the top surface center department fixed mounting of detection case has the surge drum, and the surface of surge drum has No. one to keep off the ring near the welding of top position, the equidistant welding of the marginal position that the top surface that keeps off the ring is close to the surge drum has six bracing pieces, six the top skin weld of bracing piece has No. two to keep off the ring, and No. two bottom surfaces that keep off the ring have the heating plate near marginal position through bolt fixed mounting.
Preferably, the outer surfaces of two sides of the honeycomb plate are respectively welded with connecting plates, and one ends of the connecting plates, which are far away from the honeycomb plate respectively, are movably provided with clamping pins through bearings.
Preferably, a honeycomb core is arranged inside the honeycomb plate, and the shape of the honeycomb core is a regular hexagon.
Preferably, the guide rod is provided with a sliding groove on the outer surface of one side close to the honeycomb plate, and the bayonet lock is movably arranged on the inner surface of the sliding groove.
Preferably, bolt holes are formed in the positions, close to the guide rods, of the peripheral outer surface of the detection box respectively, and positioning bolts are movably mounted on the inner surfaces of the bolt holes through inner threads and outer threads.
Preferably, it is a plurality of all through hinge swing joint between the honeycomb panel, the bottom surface of detection case is close to four corners position and all has the stabilizer blade through bolt fixed mounting, and the bottom surface bonding of stabilizer blade has the rubber pad.
Preferably, there is a lithium battery in the detection box through bolt fixed mounting, the input of heating plate passes through the output electric connection of wire and lithium battery.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. a pulling-up frame is arranged above the detection box, and the honeycomb plate is connected to the periphery of the pulling-up frame. The collecting cylinder can be protected, and the collision between an object and the collecting cylinder is avoided;
2. because the inside of honeycomb panel is the porous structure, the use of the material that can significantly reduce, secondly, because the inside of honeycomb panel sets up the honeycomb core again, the honeycomb core shape is the stable structure of regular hexagon structure.
The rigidity of the honeycomb plate can be improved;
3. set up the heating plate through the bottom surface at fender ring No. one, can heat the air that gets into the collecting vessel, avoid the moisture in the air to glue the internal surface at the collecting vessel to make the dust adhere to the inner wall at the collecting vessel, not only influence detection effect after, still influence the ventilation effect of collecting vessel simultaneously, thereby can improve holistic detection effect.
Drawings
Fig. 1 is an overall structural diagram of the device for measuring the concentration of atmospheric particulates based on an β ray method;
fig. 2 is a partial cross-sectional view of a detection box and a lifting frame in the device for measuring the concentration of atmospheric particulates based on the β ray method;
fig. 3 is a partial longitudinal sectional view of a detection box and a lifting frame in the device for detecting the concentration of atmospheric particulates based on an β ray method;
fig. 4 is a structural diagram of a honeycomb panel in the device for measuring the concentration of atmospheric particulates based on the β ray method of the invention;
fig. 5 is a cross-sectional view of a first baffle ring and a second baffle ring in the device for measuring the concentration of atmospheric particulates based on the β ray method of the invention;
fig. 6 is a structural diagram of a guide rod in the device for measuring the concentration of atmospheric particulates based on an β ray method.
In the figure: 1. a detection box; 2. a cabinet door; 3. pulling up the frame; 4. a guide rod; 5. a honeycomb panel; 6. a collection canister; 7. a first baffle ring; 8. a second baffle ring; 9. a receiving groove; 10. a guide groove; 11. a connecting plate; 12. a bayonet lock; 13. a heating plate; 14. a support bar; 15. a handle.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 6, an apparatus for measuring the concentration of atmospheric particulates based on the β ray method includes:
the detection box comprises a detection box 1, wherein a cabinet door 2 is movably mounted on the outer surface of the front end of the detection box 1 through a hinge, and a handle 15 is fixedly mounted on the outer surface of the front end of the cabinet door 2 close to the right side through a bolt;
the detection box comprises a pulling-up frame 3, wherein guide grooves 10 are formed in positions, close to four corners, of the outer surface of the top end of the detection box 1, guide rods 4 are movably mounted on the inner surfaces of the guide grooves 10, the four guide rods 4 are welded to positions, close to the four corners, of the outer surface of the bottom end of the pulling-up frame 3 respectively, storage grooves 9 are formed in the positions, close to the periphery, of the outer surface of the top end of the detection box 1, and a plurality of honeycomb plates 5 are placed on;
Referring to fig. 4, the outer surfaces of both sides of the honeycomb plate 5 are welded with connecting plates 11, and one ends of the two connecting plates 11 far away from the honeycomb plate 5 are respectively movably provided with a bayonet 12 through a bearing.
Referring to fig. 4, the honeycomb panel 5 is provided with a honeycomb core inside, and the honeycomb core has a regular hexagonal shape.
Referring to fig. 3 and 6, a sliding groove is formed in the outer surface of one side of the guide rod 4 close to the honeycomb plate 5, and the bayonet 12 is movably mounted on the inner surface of the sliding groove.
Referring to fig. 3, bolt holes are respectively formed in the peripheral outer surface of the detection box 1 at positions close to the guide rods 4, and positioning bolts are movably mounted on the inner surfaces of the bolt holes through internal and external threads.
Referring to fig. 1, a plurality of honeycomb panels 5 are movably connected through hinges, supporting legs are fixedly mounted on the outer surfaces of the bottom ends of detection boxes 1 close to four corners of the detection boxes through bolts, and rubber pads are bonded on the outer surfaces of the bottom ends of the supporting legs.
Referring to fig. 1, a lithium battery is fixedly installed inside the detection box 1 through bolts, and the input end of the heating plate 13 is electrically connected with the output end of the lithium battery through a lead
When the device is used, the device is firstly brought to a designated place, then the device is opened, external air enters the collecting cylinder 6, meanwhile, the heating sheet 13 is controlled to be electrified to generate heat, the air entering between the first retaining ring 7 and the second retaining ring 8 is heated, moisture in the air is reduced, the moisture in the air is prevented from being adhered to the inner surface of the collecting cylinder 6, dust is attached to the inner wall of the collecting cylinder 6, the later detection effect is influenced, the ventilation effect of the collecting cylinder 6 is also influenced, therefore, the overall detection effect can be improved by heating the air, the dust with the dust enters the collecting cylinder 6, the dust on the filter membrane is continuously filtered through the collecting cylinder 6 and is irradiated by β rays, when β rays pass through the filter membrane deposited with particles, the energy attenuation of Beta rays is realized, and the concentration of the particles can be calculated through the measurement of the attenuation amount.
When not using, will pull up earlier frame 3 through manual, when pulling up frame 3 rebound, make to connect and be pulled up 3 honeycomb panel 5 of surface all around by the honeycomb panel 5 of putting up by pulling, because each divides honeycomb panel 5 all to pass through hinge swing joint, consequently when the hoisting frame rebound, can pull up honeycomb panel 5, again because the bayonet lock 12 of honeycomb panel 5 both sides is inlayed respectively in the inside of guide bar 4, consequently can fix the both sides of honeycomb panel 5 respectively, protect the surge drum 6 through honeycomb panel 5, pull up 3 line of frame and move the top of collecting frame, the manual rotation is close to the positioning bolt of guide bar 4 position, through the internal and external screw thread effect between positioning bolt and the detection case 1 shell, make positioning bolt extrude to the direction of guide bar 4, will detect case 1 and guide bar 4 fixed connection.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An apparatus for measuring atmospheric particulate matter concentration based on β ray method, the apparatus comprising:
the detection box comprises a detection box (1), wherein a cabinet door (2) is movably mounted on the outer surface of the front end of the detection box (1) through a hinge, and a handle (15) is fixedly mounted on the outer surface of the front end of the cabinet door (2) close to the right side through a bolt;
the detection box comprises a pulling-up frame (3), wherein guide grooves (10) are formed in positions, close to four corners, of the outer surface of the top end of the detection box (1), guide rods (4) are movably mounted on the inner surface of each guide groove (10), the four guide rods (4) are respectively welded to positions, close to the four corners, of the outer surface of the bottom end of the pulling-up frame (3), storage grooves (9) are respectively formed in the positions, close to the periphery, of the outer surface of the top end of the detection box (1), and a plurality of honeycomb plates (5) are placed on the inner surface of each;
heating plate (13), the top surface center department fixed mounting of detection case (1) has a collection cylinder (6), and the surface of collection cylinder (6) is close to the welding of top position and has a fender ring (7) No. one, the equidistant welding of the marginal position that the top surface of fender ring (7) is close to collection cylinder (6) has six bracing pieces (14), six the top surface welding of bracing piece (14) has No. two to keep off ring (8), and No. two the bottom surface of keeping off ring (8) is close to marginal position and has heating plate (13) through bolt fixed mounting.
2. The device for measuring the concentration of atmospheric particulates based on an β ray method according to claim 1, wherein the outer surfaces of both sides of the honeycomb plate (5) are welded with connecting plates (11), and one ends of the two connecting plates (11) respectively far away from the honeycomb plate (5) are movably provided with clamping pins (12) through bearings.
3. The device for measuring the concentration of atmospheric particulates based on an β ray method according to claim 1, wherein a honeycomb core is arranged inside the honeycomb plate (5), and the honeycomb core is in a regular hexagon shape.
4. The device for measuring the concentration of atmospheric particulates based on an β ray method according to claim 2, wherein a chute is formed in the outer surface of one side of the guide rod (4) close to the honeycomb panel (5), and the bayonet lock (12) is movably mounted on the inner surface of the chute.
5. The device for measuring the concentration of atmospheric particulates based on the β ray method according to claim 1, wherein bolt holes are formed in the positions, close to the guide rod (4), of the outer surfaces of the periphery of the detection box (1), and positioning bolts are movably mounted on the inner surfaces of the bolt holes through inner and outer threads.
6. The device for measuring the concentration of atmospheric particulates based on the β ray method according to claim 1, wherein the honeycomb plates (5) are movably connected through hinges, support legs are fixedly arranged on the outer surface of the bottom end of the detection box (1) close to four corners through bolts, and rubber pads are bonded on the outer surfaces of the bottom ends of the support legs.
7. The device for measuring the concentration of atmospheric particulates based on the β ray method according to claim 1, wherein a lithium battery is fixedly mounted inside the detection box (1) through bolts, and an input end of the heating plate (13) is electrically connected with an output end of the lithium battery through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710866.6U CN211148365U (en) | 2019-10-14 | 2019-10-14 | Device for measuring concentration of atmospheric particulate matter based on β ray method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921710866.6U CN211148365U (en) | 2019-10-14 | 2019-10-14 | Device for measuring concentration of atmospheric particulate matter based on β ray method |
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| CN211148365U true CN211148365U (en) | 2020-07-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255146A (en) * | 2020-10-19 | 2021-01-22 | 中山市睿普自动化科技有限公司 | Air pollution particle detection equipment |
| CN112903916A (en) * | 2021-01-23 | 2021-06-04 | 李健 | Atmospheric pollution monitoring device |
-
2019
- 2019-10-14 CN CN201921710866.6U patent/CN211148365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255146A (en) * | 2020-10-19 | 2021-01-22 | 中山市睿普自动化科技有限公司 | Air pollution particle detection equipment |
| CN112903916A (en) * | 2021-01-23 | 2021-06-04 | 李健 | Atmospheric pollution monitoring device |
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