CN113188966B - Air dust detection device is used in town road construction - Google Patents
Air dust detection device is used in town road construction Download PDFInfo
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- CN113188966B CN113188966B CN202110375804.XA CN202110375804A CN113188966B CN 113188966 B CN113188966 B CN 113188966B CN 202110375804 A CN202110375804 A CN 202110375804A CN 113188966 B CN113188966 B CN 113188966B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
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Abstract
The invention belongs to the field of air detection, and particularly relates to an air dust detection device for municipal road construction, which comprises a fixed rod, wherein the upper end of the fixed rod is fixedly connected with an inner air bag, the inner air bag is filled with a detection medicament, an outer air bag is sleeved outside the inner air bag and is made of a transparent material, the outer air bag is fixedly sleeved at the upper end of the fixed rod, a clamping cavity is formed between the outer air bag and the inner air bag, and two symmetrically arranged friction blocks are fixedly embedded on the side wall of the fixed rod. According to the invention, through arranging the air inlet pipe and the cleaning pipe, both the inner parts of which are provided with the one-way valves, when the electromagnetic plate moves up and down in the cavity under the action of gravity and self gravity, outside air is sucked into the cavity through the air inlet pipe, then the air in the cavity is discharged through the cleaning pipe, and the discharged air is arranged right opposite to the outer air bag, so that the residual dust on the outer air bag can be blown away, and the influence of the residual dust on the subsequent measurement result is avoided.
Description
Technical Field
The invention belongs to the field of air detection, and particularly relates to an air dust detection device for municipal road construction.
Background
The municipal road construction is a basic municipal engineering, the urban construction is more and more frequent along with the continuous promotion of the urbanization construction, and the matched urban road requirements are more and more increased in order to adapt to the continuous steps of the urban extension, so the municipal road construction is more and more frequent.
Generally can produce more dust at road construction's in-process, especially be located city central area's construction, more dust can cause great adverse effect to town resident's life, some construction areas can install the dust content in the air that air dust detection device detects, so as to carry out effectual control to the dust, and most traditional air dust detection device all reaches the purpose that detects through the electronic detection head, the pollution situation of air generally can show through specific digit in the use, however, electronic device is because the structure is accurate, break down because the entering of dust very easily in the use, it is comparatively inconvenient to maintain, in addition, specific digital display mode is also not enough directly perceived, be not convenient for people to supervise.
Therefore, the air dust detection device for the municipal road construction is provided to solve the problems.
Disclosure of Invention
The invention aims to provide an air dust detection device for municipal road construction, which is more intuitive in display mode, aiming at the problem that most of the traditional air dust detection devices are not intuitive enough in display mode.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an air dust detection device for town road construction, includes the dead lever, gasbag in the dead lever upper end fixedly connected with, contain the detection medicament in the interior gasbag, interior gasbag overcoat is equipped with outer gasbag, outer gasbag is made by transparent material, the fixed cover of outer gasbag is established in the dead lever upper end, form between outer gasbag and the interior gasbag and press from both sides the chamber, fixed the clutch blocks that are equipped with two symmetries settings of inlaying on the dead lever lateral wall, two the surface of clutch blocks is pasted respectively has silk cloth and fur layer, the dead lever lateral wall rotates glass otter board and the rubber otter board that is connected with two symmetries settings, equal fixed mounting has the drive fan on the lateral wall that dead lever was kept away from to glass otter board and rubber otter board, glass otter board and rubber otter board set up with two clutch blocks contact respectively, glass otter board and fur layer pass through the wire respectively with interior gasbag and outer gasbag coupled connection, be equipped with ground mechanism in the dead lever.
In the air dust detection device for town road construction, the inner air bag is made of gray material.
In the air dust detection device for municipal road construction, the glass screen plate is in contact with the friction block adhered with the silk cloth, and the rubber screen plate is in contact with the friction block adhered with the leather wool layer.
In foretell air dust detection device for town road construction, ground mechanism is including seting up the cavity in the dead lever inside, top surface fixedly connected with a plurality of fixed conducting blocks in the cavity, a plurality of fixed conducting blocks respectively with silk cloth, fur layer, glass otter board and rubber otter board coupling connection, the bottom surface sliding connection has the electromagnetic plate of ground connection setting in the cavity.
In foretell air dust detection device for town road construction, the dead lever internal fixation inlays and is equipped with the permanent magnet piece, every all fixed the inlaying is equipped with the conducting block, polylith on the flabellum of drive fan the conducting block all is connected with the electromagnetic plate coupling.
In foretell air dust detection device for town road construction, be equipped with the intake pipe and the clean pipe with the cavity intercommunication in the dead lever, all install the check valve in intake pipe and the clean pipe, the intake pipe communicates with the external world, the gas outlet of clean pipe is just to outer gasbag setting.
Compared with the prior art, this air dust detection device for municipal road construction's advantage lies in:
1. the invention arranges the inner air sac and the outer air sac, the air content in the clamping cavity between the inner air sac and the outer air sac is always quantitative, the inner air sac is filled with a detection medicament, namely silver bromide powder, and light can irradiate the inner part of the inner air sac under normal conditions to enable the silver bromide to react as follows: agBr = Ag + Br 2 The generated bromine gas can expand the inner air bag, the expanded inner air bag can further expand the outer air bag, and the dust content in the environment is less;
dust content is more when in the air, the surface of outer gasbag can be attached to more dust under the effect of electrostatic attraction, the dust on the outer gasbag and the grey overlap of interior gasbag can make the internal environment of interior gasbag be the shading state, then can take place reverse reaction in the interior gasbag, the reactively generates silver bromide powder, the interior gasbag that loses gaseous support can become flat, then the gas in the whole outer gasbag also becomes less along with it, outer gasbag also can present flat state, can be through observing whether the inflation of outer gasbag judges the pollution condition of air, the presentation mode is more directly perceived.
2. The friction block adhered with silk cloth is arranged on the glass screen plate, the glass screen plate collects positive charges when the friction block is rubbed with the glass screen plate, the friction block adhered with the fur layer is rubbed with the rubber screen plate, the fur layer collects positive charges, the inner air bag and the outer air bag which are respectively coupled with the glass screen plate and the fur layer repel each other due to the same charges, the inner air bag and the outer air bag can be effectively prevented from being adhered together, and the charges on the outer air bag can generate adsorption action on dust in the air.
3. The grounding mechanism is arranged, when the fan is driven to rotate by wind blowing, the conductive blocks on the fan blades of the rotating fan can cut magnetic induction lines of the permanent magnet sheets, so that the electromagnetic plate coupled with the conductive blocks generates magnetism, attraction can be generated between the magnetic electromagnetic plate and the fixed conductive blocks, the electromagnetic plate can move upwards, when the electromagnetic plate is in contact with the fixed conductive blocks, the fixed conductive blocks can ground charges on the silk cloth, the leather wool layer, the glass screen plate and the rubber screen plate, the surface of an outer air bag losing the charges can lose the adsorption capacity on dust, and the charges generated in the device can be released intermittently.
4. According to the invention, through arranging the air inlet pipe and the cleaning pipe, which are internally provided with the one-way valves, when the electromagnetic plate moves up and down in the cavity under the action of gravity and self gravity, outside air is sucked into the cavity through the air inlet pipe, then the air in the cavity is discharged through the cleaning pipe, and the discharged air is arranged over against the outer air bag, so that residual dust on the outer air bag can be blown away, and the influence of the residual dust on the subsequent measurement result is avoided.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of an air dust detection device for municipal road construction, provided by the invention;
FIG. 2 is a schematic structural view of an embodiment 2 of the air dust detection device for town road construction provided by the invention.
In the figure, a fixing rod 1, an inner air bag 2, an outer air bag 3, a clamping cavity 4, a friction block 5, a glass screen plate 6, a rubber screen plate 7, a driving fan 8, a cavity 9, a fixing conductive block 10, an electromagnetic plate 11, a conductive block 12, an air inlet pipe 13 and a cleaning pipe 14 are arranged.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in figure 1, an air dust detection device for town road construction, including dead lever 1, gasbag 2 in dead lever 1 upper end fixedly connected with, interior gasbag 2 contains detection medicament, and detection medicament is silver bromide powder, and it should be noted that the material colour of interior gasbag 2 is grey setting, can allow a small amount of light to shine interior gasbag 2.
An outer air bag 3 is sleeved outside the inner air bag 2, the outer air bag 3 is made of transparent materials, the outer air bag 3 is fixedly sleeved at the upper end of the fixing rod 1, a clamping cavity 4 is formed between the outer air bag 3 and the inner air bag 2, two symmetrically arranged friction blocks 5 are fixedly embedded on the side wall of the fixing rod 1, and silk cloth and a leather wool layer are respectively stuck on the surfaces of the two friction blocks 5.
The lateral wall of the fixed rod 1 is rotationally connected with two glass screen plates 6 and rubber screen plates 7 which are symmetrically arranged, the glass screen plates 6 and the rubber screen plates 7 are fixedly mounted on the lateral wall far away from the fixed rod 1, and the driving fan 8 can rotate under the blowing of wind.
The glass screen plate 6 and the rubber screen plate 7 are respectively arranged in contact with the two friction blocks 5, it is noted that the glass screen plate 6 is arranged in contact with the friction block 5 adhered with silk cloth, the rubber screen plate 7 is arranged in contact with the friction block 5 adhered with a fur layer, and the glass screen plate 6 and the fur layer are respectively coupled with the inner air bag 2 and the outer air bag 3 through leads.
Be equipped with earthing mechanism in dead lever 1, it is concrete, earthing mechanism is including seting up at 1 inside cavity 9 of dead lever, and a plurality of fixed conducting block 10 of top surface fixedly connected with in the cavity 9, a plurality of fixed conducting block 10 respectively with silk cloth, leather wool layer, glass otter board 6 and rubber otter board 7 coupling connection, and bottom surface sliding connection has the electromagnetic plate 11 that ground connection set up in the cavity 9.
The fixed pole 1 internal fixation inlays and is equipped with the permanent magnet piece, all fixes on the flabellum of every drive fan 8 and inlays and be equipped with conducting block 12, and polylith conducting block 12 all is connected with 11 coupling of electromagnetism boards.
When the invention is used, when two driving fans 8 are blown by wind, the friction block 5 adhered with silk cloth can rub with the glass screen plate 6, the friction block 5 adhered with the fur layer can rub with the rubber screen plate 7, positive charges are collected on the glass screen plate 6, the positive charges are collected on the fur layer, the inner airbag 2 and the outer airbag 3 which are respectively coupled with the glass screen plate 6 and the fur layer can repel each other due to the same charges, and the charges on the outer airbag 3 can generate adsorption action on dust in the air.
When the dust content in the air is high, the surface of the outer airbag 3 will be adhered with much dust under the action of electrostatic attraction, the dust on the outer airbag 3 and the gray of the inner airbag 2 will overlap to make the inner environment of the inner airbag 2 in a light-shielding state, and the inner airbag 2 will generate a reverse reaction, the silver bromide powder is generated through the re-reaction, the inner air bag 2 which is supported by the lost gas can become flat, the gas in the whole outer air bag 3 also becomes less, the outer air bag 3 can also be in a flat and flat state, whether the pollution condition of the air can be judged through observing the expansion of the outer air bag 3 or not can be judged, and the expression mode is more visual.
When the wind blows the drive fan 8 and rotates, the conducting block 12 on the fan blade of the rotating fan 8 can cut the magnetic induction lines of the permanent magnet pieces, thereby the electromagnetic plate 11 coupled with the conducting block 12 generates magnetism, the attraction can be generated between the magnetic electromagnetic plate 11 and the fixed conducting blocks 10 of the plurality of blocks, the electromagnetic plate 11 can move upwards, when the electromagnetic plate 11 contacts with the fixed conducting blocks 10 of the plurality of blocks, the fixed conducting blocks 10 can connect silk fabrics, a fur layer, the charges on the glass net plate 6 and the rubber net plate 7 are grounded, the surface of the outer air bag 3 losing the charges can lose the adsorption capacity to the dust, and the charges generated in the device can be released intermittently.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that: an air inlet pipe 13 and a cleaning pipe 14 which are communicated with the cavity 9 are arranged in the fixing rod 1, one-way valves are arranged in the air inlet pipe 13 and the cleaning pipe 14, the air inlet pipe 13 is communicated with the outside, and an air outlet of the cleaning pipe 14 is arranged right opposite to the outer airbag 3.
In this embodiment, when the electromagnetic plate 11 moves up and down in the cavity 9 under the action of gravity and gravity, the external air is sucked into the cavity 9 through the air inlet pipe 13, and then the air in the cavity 9 is exhausted through the cleaning pipe 14, and the exhausted air is directly opposite to the outer airbag 3, so that the residual dust on the outer airbag 3 can be blown away, and the subsequent measurement result is prevented from being affected by the residual dust.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The air dust detection device for municipal road construction comprises a fixing rod (1) and is characterized in that an inner air bag (2) is fixedly connected to the upper end of the fixing rod (1), a detection reagent is filled in the inner air bag (2), an outer air bag (3) is sleeved outside the inner air bag (2), the outer air bag (3) is made of transparent materials, the outer air bag (3) is fixedly sleeved on the upper end of the fixing rod (1), a clamping cavity (4) is formed between the outer air bag (3) and the inner air bag (2), two symmetrically arranged friction blocks (5) are fixedly embedded on the side wall of the fixing rod (1), silk and fur layers are respectively adhered to the surfaces of the two friction blocks (5), two symmetrically arranged glass net plates (6) and rubber net plates (7) are rotatably connected to the side wall of the fixing rod (1), driving fans (8) are fixedly installed on the side walls of the glass net plates (6) and the rubber net plates (7) far away from the fixing rod (1), the glass net plates (6) and the rubber net plates (7) are respectively in contact with the two friction blocks (5), the glass net plates (6) and the outer air bag (1) are respectively connected with a grounding mechanism;
the detection agent is silver bromide powder;
the inner air bag (2) is made of gray materials, and a small amount of light can be allowed to irradiate the inner air bag (2);
the glass screen plate (6) is arranged in contact with the friction block (5) adhered with the silk cloth, and the rubber screen plate (7) is arranged in contact with the friction block (5) adhered with the fur layer.
2. The air dust detection device for municipal road construction according to claim 1, wherein the grounding mechanism comprises a cavity (9) formed inside the fixing rod (1), the inner top surface of the cavity (9) is fixedly connected with a plurality of fixed conductive blocks (10), the plurality of fixed conductive blocks (10) are respectively coupled with silk fabric, a leather wool layer, a glass screen plate (6) and a rubber screen plate (7), and the inner bottom surface of the cavity (9) is slidably connected with an electromagnetic plate (11) which is arranged in a grounding manner.
3. The air dust detection device for the municipal road construction according to claim 2, wherein permanent magnet pieces are fixedly embedded in the fixing rod (1), a conductive block (12) is fixedly embedded on the fan blade of each driving fan (8), and the conductive blocks (12) are coupled with the electromagnetic plate (11).
4. The air dust detection device for municipal road construction according to claim 3, wherein an air inlet pipe (13) and a cleaning pipe (14) are arranged in the fixing rod (1) and communicated with the cavity (9), one-way valves are arranged in the air inlet pipe (13) and the cleaning pipe (14), the air inlet pipe (13) is communicated with the outside, and an air outlet of the cleaning pipe (14) is arranged opposite to the outer air bag (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110375804.XA CN113188966B (en) | 2021-04-08 | 2021-04-08 | Air dust detection device is used in town road construction |
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| CN202110375804.XA CN113188966B (en) | 2021-04-08 | 2021-04-08 | Air dust detection device is used in town road construction |
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| CN113188966A CN113188966A (en) | 2021-07-30 |
| CN113188966B true CN113188966B (en) | 2022-12-09 |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607228A (en) * | 1984-01-13 | 1986-08-19 | Battelle Development Corporation | Apparatus and method for measuring the concentration of solid particles in a fluid stream |
| WO1999026055A1 (en) * | 1997-11-17 | 1999-05-27 | Cgia | Method, device and installation for analysing a gas effluent for determining dust rate |
| JP2000074796A (en) * | 1998-08-31 | 2000-03-14 | Shimadzu Corp | Floating particle-like substance measuring apparatus |
| GB201213925D0 (en) * | 2012-08-03 | 2012-09-19 | Sec Dep For Business Innovation & Skills | Airborne particle detection |
| CN103688161A (en) * | 2011-05-26 | 2014-03-26 | 埃米森斯技术有限公司 | Agglomeration and charge loss sensor for measuring particulate matter |
| CN105067492A (en) * | 2015-09-02 | 2015-11-18 | 上海艾络格电子技术有限公司 | Dust concentration meter |
| JP2016006391A (en) * | 2014-06-20 | 2016-01-14 | シャープ株式会社 | Particle detection device |
| CN206504979U (en) * | 2017-02-10 | 2017-09-19 | 珠海恒星环保科技有限公司 | A kind of air-borne dust detection means |
| CN206818569U (en) * | 2017-05-17 | 2017-12-29 | 山东中检检测技术有限公司 | A kind of portable air pollution detection means |
| CN107749876A (en) * | 2017-10-11 | 2018-03-02 | 泉州市诚京贸易有限公司 | A kind of haze detection of Internet of Things control and the processing unit based on Electrostatic Absorption |
| CN108693092A (en) * | 2018-07-10 | 2018-10-23 | 重庆科技学院 | Dust concentration detection device |
| CN208239256U (en) * | 2018-03-16 | 2018-12-14 | 天津大学 | A kind of measuring device of particulate in air mean concentration |
| CN109883909A (en) * | 2019-01-29 | 2019-06-14 | 黑龙江科技大学 | A dust concentration measuring device |
| CN109883910A (en) * | 2019-01-29 | 2019-06-14 | 黑龙江科技大学 | A pre-charged electrostatic induction dust concentration measuring device |
| CN111289416A (en) * | 2020-04-03 | 2020-06-16 | 谭金彩 | Dust concentration detection device based on static electricity |
| CN112067519A (en) * | 2020-09-18 | 2020-12-11 | 金华职业技术学院 | A high-sensitivity intelligent smoke early warning system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080297798A1 (en) * | 2005-07-18 | 2008-12-04 | Hans Wyssen | Apparatus and Method to Monitor Particulates |
-
2021
- 2021-04-08 CN CN202110375804.XA patent/CN113188966B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607228A (en) * | 1984-01-13 | 1986-08-19 | Battelle Development Corporation | Apparatus and method for measuring the concentration of solid particles in a fluid stream |
| WO1999026055A1 (en) * | 1997-11-17 | 1999-05-27 | Cgia | Method, device and installation for analysing a gas effluent for determining dust rate |
| JP2000074796A (en) * | 1998-08-31 | 2000-03-14 | Shimadzu Corp | Floating particle-like substance measuring apparatus |
| CN103688161A (en) * | 2011-05-26 | 2014-03-26 | 埃米森斯技术有限公司 | Agglomeration and charge loss sensor for measuring particulate matter |
| GB201213925D0 (en) * | 2012-08-03 | 2012-09-19 | Sec Dep For Business Innovation & Skills | Airborne particle detection |
| JP2016006391A (en) * | 2014-06-20 | 2016-01-14 | シャープ株式会社 | Particle detection device |
| CN105067492A (en) * | 2015-09-02 | 2015-11-18 | 上海艾络格电子技术有限公司 | Dust concentration meter |
| CN206504979U (en) * | 2017-02-10 | 2017-09-19 | 珠海恒星环保科技有限公司 | A kind of air-borne dust detection means |
| CN206818569U (en) * | 2017-05-17 | 2017-12-29 | 山东中检检测技术有限公司 | A kind of portable air pollution detection means |
| CN107749876A (en) * | 2017-10-11 | 2018-03-02 | 泉州市诚京贸易有限公司 | A kind of haze detection of Internet of Things control and the processing unit based on Electrostatic Absorption |
| CN208239256U (en) * | 2018-03-16 | 2018-12-14 | 天津大学 | A kind of measuring device of particulate in air mean concentration |
| CN108693092A (en) * | 2018-07-10 | 2018-10-23 | 重庆科技学院 | Dust concentration detection device |
| CN109883909A (en) * | 2019-01-29 | 2019-06-14 | 黑龙江科技大学 | A dust concentration measuring device |
| CN109883910A (en) * | 2019-01-29 | 2019-06-14 | 黑龙江科技大学 | A pre-charged electrostatic induction dust concentration measuring device |
| CN111289416A (en) * | 2020-04-03 | 2020-06-16 | 谭金彩 | Dust concentration detection device based on static electricity |
| CN112067519A (en) * | 2020-09-18 | 2020-12-11 | 金华职业技术学院 | A high-sensitivity intelligent smoke early warning system |
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| CN113188966A (en) | 2021-07-30 |
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