CN109682733A - Highly reliable contact depositing dust bar on-line monitoring system - Google Patents
Highly reliable contact depositing dust bar on-line monitoring system Download PDFInfo
- Publication number
- CN109682733A CN109682733A CN201910125019.1A CN201910125019A CN109682733A CN 109682733 A CN109682733 A CN 109682733A CN 201910125019 A CN201910125019 A CN 201910125019A CN 109682733 A CN109682733 A CN 109682733A
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- Prior art keywords
- depositing dust
- dust bar
- buttcover plate
- monitoring device
- contact
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 59
- 238000000151 deposition Methods 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 238000012806 monitoring device Methods 0.000 claims abstract description 40
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000533950 Leucojum Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000005427 atmospheric aerosol Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of highly reliable contact depositing dust bar on-line monitoring systems, belong to depositing dust monitoring field, which includes depositing dust bar, dustfall jar, power supply system, Intelligent monitoring device, server platform and user terminal.Power supply system and Intelligent monitoring device are arranged on depositing dust bar；Depositing dust bar top is fixed with bracket, and depositing dust bar is embedded with sliding rail, and dustfall jar is slidably connected by L bracket and sliding rail, and dustfall jar bottom is provided with microbalance；It is provided with upper limit switch and upper buttcover plate on bracket, lower buttcover plate is provided on L bracket, upper buttcover plate is electrically connected with Intelligent monitoring device, and lower buttcover plate is electrically connected with microbalance, and contact is provided on upper buttcover plate, is provided with contact butt joint on lower buttcover plate.After L bracket rises to top, the movement of upper limit switch contact issues control signal, motor stalls, at this time signalling contact just reliable contacts.The present invention is contacted using contact, provides the stability and reliability of system.
Description
Technical field
The present invention relates to atmospheric falling dusts to monitor field, particularly relates to a kind of highly reliable contact depositing dust bar on-line monitoring system
System.
Background technique
With the progress of social civilization, air quality problems increasingly attract people's attention.Depositing dust monitors conduct
Atmosphere pollution routine monitor project, one of main indicator of reflection lithometer pollution is increasingly by national correlation department
Pay attention to.A kind of effective technology means of the depositing dust as dustfall content in measurement atmosphere, play very important Basic monitoring effect.
Atmospheric particulates are the general names of various solid-states present in atmosphere and liquid particles shape substance.Various particulate materials
It is evenly dispersed in one metastable huge suspension system of composition, i.e. aerosol system, therefore airborne particulate in air
Object is also referred to as atmospheric aerosol.Aerosol is multiphase system, by particle and gas composition, usually seen dust, fumigation,
Cigarette, mist, haze etc. belong to the scope of aerosol.Atmospheric particulates are divided by aerodynamically diameter: total suspension
Grain object (abbreviation TSP) refers to partial size≤100 μm, and pellet (abbreviation PM10) refers to partial size≤10 μm, and fine particle is (referred to as
PM2.5) refer to partial size≤2.5 μm.Depositing dust refers to partial size >=10 μm, and can land under the effect of gravity, and wherein TSP, PM10 belong to
In large-size particles object, depositing dust belongs to the pollution of dirt class.
Current depositing dust monitoring is to be generally one month the sample time.Dustfall jar height 5.5 meters~6 on depositing dust bar
Rice, sampling need the dustfall jar on depositing dust bar dropping to 1 meter, are raised again to the dustfall jar drop on depositing dust bar after the completion of sampling
5.5 meters~6 meters.It is traditional by depositing dust bar lifting part conducting wire and bar master due to needing to monitor on-line the weight of atmospheric falling dust
Body is electrically connected, and such connection is unreliable, especially colder in northern wintry weather, is attached to white, dry on conducting wire
Snowflake and the raindrop attached, because mercury dropped to it is subzero due to freeze a small amount of ice, form wire icing, conducting wire is easy to when lifting
It is damaged.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of highly reliable contact depositing dust bar on-line monitoring system, this hair
It is bright to be contacted using contact, provide the stability and reliability of system.
It is as follows that the present invention provides technical solution:
A kind of highly reliable contact depositing dust bar on-line monitoring system, including depositing dust bar, dustfall jar, power supply system, intelligence prison
Measurement equipment, server platform and user terminal, in which:
The power supply system and Intelligent monitoring device are arranged on the depositing dust bar；
Depositing dust bar top is fixed with bracket, and the depositing dust bar is embedded with sliding rail, the dustfall jar by L bracket with
The sliding rail is slidably connected, and the dustfall jar bottom is provided with microbalance；
It is provided with upper limit switch and upper buttcover plate on the bracket, lower buttcover plate is provided on the L bracket, it is described
Upper buttcover plate is electrically connected with the Intelligent monitoring device, and the lower buttcover plate is electrically connected with the microbalance, the upper docking
It is provided with contact on plate, is provided with contact butt joint on the lower buttcover plate；
When the L bracket rises at the bracket along the sliding rail driven by the motor, the upper limit
Switch motion issues control signal, motor stalls, so that the contact of the upper buttcover plate and the docking of the contact of lower buttcover plate
Head reliable contacts, the microbalance are electrically connected with the Intelligent monitoring device；
The Intelligent monitoring device includes GPRS wireless transport module, dustfall jar described in the microbalance real-time measurement
Weight simultaneously sends the Intelligent monitoring device for the weight data that measurement obtains, and the Intelligent monitoring device is wireless by GPRS
The weight data is uploaded to the server platform by transmission module, and the server platform divides the weight data
Analysis and monitoring, the user terminal obtain the depositing dust data obtained after analysis and monitoring from server platform.
Further, the power supply system includes solar panels and solar controller, the solar controller it is defeated
The output end for entering end and solar panels connects, the first output end of the solar controller and the Intelligent monitoring device and micro-
Day flushconnection is measured, is that the Intelligent monitoring device and microbalance are powered.
Further, the second output terminal of the solar controller is connected with electric power storage by the first current-limiting protection circuit
Pond.
Further, the Intelligent monitoring device further includes solar panels voltage test module and accumulator cell charging and discharging test
Module, the solar panels voltage test module connect the input terminal of the solar controller and obtain solar panels voltage number
According to the accumulator cell charging and discharging test module connects the second output terminal of the solar controller and obtains accumulator cell charging and discharging
Data.
Further, the Intelligent monitoring device further includes ARM controller and GPS positioning module, and the GPRS is wirelessly passed
Defeated module uploads to the solar panels voltage data, accumulator cell charging and discharging data, the location data of GPS positioning module described
Server platform.
Further, the user terminal obtains solar panels voltage data, accumulator cell charging and discharging number from server platform
According to and location data.
Further, the lower part of the depositing dust bar is provided with lower position switch, and the motor is connected with electric machine controller, institute
State the input terminal that battery connects the electric machine controller by the second current-limiting protection circuit, the output end of the electric machine controller
It connects the motor and powers to the motor, the control terminal of the electric machine controller connects the upper limit switch and lower limit
Switch.
Further, the battery is connected with standby battery socket.
Further, the first output end of the solar controller is connected with camera and powers to camera.
The invention has the following advantages:
Upper limit switch of the invention and signalling contact cooperation, after L bracket rises to top, upper limit switch contact
Movement, issues control signal, motor stalls, at this time signalling contact just reliable contacts.The present invention is only when monthly taking cylinder
Weight signal is not monitored, cylinder is taken to terminate, depositing dust weight can be monitored after lifting part playback.This system is contacted using contact,
Provide the stability and reliability of system.This system delicate structure, reliable performance stabilization and easy to operate, adaptation range
Extensively, securely and reliably.
The present invention passes through the weight of microbalance real-time measurement dustfall jar and will be on weight data by Intelligent monitoring device
It passes to server platform to be analyzed and monitored, obtains real-time depositing dust data, and can be checked by user terminal.This
The abundant fusing wireless communication technology, technology of Internet of things are invented, in conjunction with atmospheric falling dust big data analysis and monitor supervision platform, atmosphere is dropped
The data information of dirt monitoring device is managed.And the present invention is that Intelligent monitoring device and microbalance supply using solar panels
Electricity, it is simple and convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of highly reliable contact depositing dust bar on-line monitoring system of the invention；
Fig. 2 is the electrical schematic of highly reliable contact depositing dust bar on-line monitoring system of the invention；
Fig. 3 is the enlarged drawing of contact part；
Fig. 4 is the schematic diagram of Intelligent monitoring device.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention provides a kind of highly reliable contact depositing dust bar on-line monitoring system, as shown in Figs 1-4, including drop
Dirt bar 100, dustfall jar 1, power supply system 2, Intelligent monitoring device 3, server platform 200 and user terminal 300, in which:
Power supply system 2 and Intelligent monitoring device 3 are arranged on depositing dust bar 100.
100 top of depositing dust bar is fixed with bracket 4, and depositing dust bar 100 is embedded with sliding rail 5, and dustfall jar 1 is by L bracket 6 and slides
Rail 5 is slidably connected, and 1 bottom of dustfall jar is provided with microbalance 7.
It is provided with upper limit switch 8 and upper buttcover plate 9 on bracket 4, lower buttcover plate 10, upper docking are provided on L bracket 6
Plate 9 is electrically connected with Intelligent monitoring device 3, and lower buttcover plate 6 is electrically connected with microbalance 7, and it is (excellent to be provided with contact on upper buttcover plate 9
It is selected as gold plating spring needle), contact butt joint is provided on lower buttcover plate 10 (preferably gold plating spring is directed to connector).
When rising at bracket 4 under drive of the L bracket 8 in motor 11 along sliding rail 5, upper limit switch 8 is acted, hair
Control signal out, motor stalls, so that the contact butt joint reliable contacts of the contact of upper buttcover plate 9 and lower buttcover plate 10,
Microbalance 7 is electrically connected with Intelligent monitoring device 3.
Intelligent monitoring device 3 includes GPRS wireless transport module 31, and the weight of 7 real-time measurement dustfall jar 1 of microbalance is simultaneously
Intelligent monitoring device 3 is sent by the weight data that measurement obtains, Intelligent monitoring device 3 will by GPRS wireless transport module 31
Weight data is uploaded onto the server platform 200, and server platform 200 is analyzed and monitored to weight data, user terminal 300
The depositing dust data obtained after analysis and monitoring are obtained from server platform 200.Intelligent monitoring device 3 can also include that MQTT is serviced
Device communication interface 36 can be used MQTT server communication interface 36 and server platform 200 be logical when network quality is poor
News.
Highly reliable contact of the invention includes upper buttcover plate and lower buttcover plate, and upper buttcover plate installs gold plating spring needle, lower right
Fishplate bar installs gold-plated bullet and is directed to connector.When sampling, upper buttcover plate, the separation of lower buttcover plate, field sampling personnel take dustfall jar
It goes back to laboratory and carries out atmospheric falling dust analysis.After the completion of sampling, upper buttcover plate, the docking of lower buttcover plate realize the signal of microbalance
Transmission.
Upper limit switch of the invention and signalling contact cooperation, after L bracket rises to top, upper limit switch contact
Movement, issues control signal, motor stalls, at this time signalling contact just reliable contacts.The present invention is only when monthly taking cylinder
Weight signal is not monitored, cylinder is taken to terminate, depositing dust weight can be monitored after lifting part playback.This system is contacted using contact,
Provide the stability and reliability of system.This system delicate structure, reliable performance stabilization and easy to operate, adaptation range
Extensively, securely and reliably.
The present invention passes through the weight of microbalance real-time measurement dustfall jar and will be on weight data by Intelligent monitoring device
It passes to server platform to be analyzed and monitored, obtains real-time depositing dust data, and can be checked by user terminal.This
The abundant fusing wireless communication technology, technology of Internet of things are invented, in conjunction with atmospheric falling dust big data analysis and monitor supervision platform, atmosphere is dropped
The data information of dirt monitoring device is managed.And the present invention is that Intelligent monitoring device and microbalance supply using solar panels
Electricity, it is simple and convenient.
As an improvement of the present invention, power supply system 2 includes solar panels 21 and solar controller 22, solar energy control
The input terminal 221 of device 22 processed is connect with the output end of solar panels 21, the first output end 222 and the intelligence of solar controller 22
Monitoring device 3 and microbalance 7 connect, and are that Intelligent monitoring device 3 and microbalance 7 are powered.The second of solar controller 22
Output end 223 is connected with battery 24 by the first current-limiting protection circuit 23.
Solar controller of the invention is preferably MPPT solar controller.Solar controller to the filling of battery,
Discharging condition is controlled, and controls solar panels and storage according to the power supply requirement of load (Intelligent monitoring device and microbalance)
Power output of the battery to load.
Intelligent monitoring device 3 of the invention further includes solar panels voltage test module 32, accumulator cell charging and discharging test mould
Block 33, ARM controller 34 and GPS positioning module 35, solar panels voltage test module 32 connect the defeated of solar controller 22
Enter end 221 and obtain solar panels voltage data, accumulator cell charging and discharging test module 33 connects the second of solar controller 22
Output end 223 simultaneously obtains accumulator cell charging and discharging data.Solar panels voltage data, accumulator cell charging and discharging data and MPPT solar energy
The data such as controller working condition transmit ARM controller, and GPRS wireless transport module 31 is by solar panels voltage data, battery
The data such as charge and discharge data, the location data of GPS positioning module and MPPT solar controller working condition are uploaded onto the server
Platform 200.
User terminal 300 obtains solar panels voltage data, accumulator cell charging and discharging data and positioning from server platform 200
Data.
The present invention can remotely monitor the working condition of solar panels and battery, when occur solar panels and battery damage
Bad electricity shortage situation can be monitored remotely and be repaired in time.The present invention uses intelligent power supply mode, searches intuitive and operates
Convenient, wide adaptation range securely and reliably can carry out real-time monitoring.
Further, the lower part of depositing dust bar 100 is provided with lower position switch 12, and motor 11 is connected with electric machine controller 13,
Battery 24 connects the input terminal of electric machine controller 13 by the second current-limiting protection circuit 25, and the output end of electric machine controller 13 connects
It connects motor 11 and powers to motor 11, the control terminal connection upper limit switch 8 and lower position switch 12 of electric machine controller 13.Electric power storage
Switch 27 is preferably provided between pond 24 and the second current-limiting protection circuit 25.
The present invention is when L bracket drops to triggering lower position switch (or rising to triggering upper limit switch), motor control
Device processed obtains the signal of lower position switch (or upper limit switch), controls motor stalls.
Further, battery 24 can also be connected with standby battery socket 26, for installing standby battery, when out
Now when the extreme weathers such as continuous rainy days, it is powered using standby battery.
In order to be monitored to the equipment on depositing dust bar, the first output end 222 of solar controller 22 is connected with camera shooting
First 14 and to camera power.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of highly reliable contact depositing dust bar on-line monitoring system, which is characterized in that including depositing dust bar, dustfall jar, power supply system
System, Intelligent monitoring device, server platform and user terminal, in which:
The power supply system and Intelligent monitoring device are arranged on the depositing dust bar；
Depositing dust bar top is fixed with bracket, and the depositing dust bar is embedded with sliding rail, the dustfall jar by L bracket with it is described
Sliding rail is slidably connected, and the dustfall jar bottom is provided with microbalance；
It is provided with upper limit switch and upper buttcover plate on the bracket, lower buttcover plate is provided on the L bracket, it is described right
Fishplate bar is electrically connected with the Intelligent monitoring device, and the lower buttcover plate is electrically connected with the microbalance, on the upper buttcover plate
It is provided with contact, is provided with contact butt joint on the lower buttcover plate；
When the L bracket rises at the bracket along the sliding rail driven by the motor, the upper limit switch
Movement issues control signal, motor stalls, so that the contact butt joint of the contact of the upper buttcover plate and lower buttcover plate can
By contact, the microbalance is electrically connected with the Intelligent monitoring device；
The Intelligent monitoring device includes GPRS wireless transport module, the weight of dustfall jar described in the microbalance real-time measurement
And the Intelligent monitoring device is sent by the weight data that measurement obtains, the Intelligent monitoring device is wirelessly transferred by GPRS
The weight data is uploaded to the server platform by module, the server platform to the weight data carry out analysis with
Monitoring, the user terminal obtain the depositing dust data obtained after analysis and monitoring from server platform.
2. highly reliable contact depositing dust bar on-line monitoring system according to claim 1, which is characterized in that the power supply system
System includes solar panels and solar controller, and the input terminal of the solar controller and the output end of solar panels connect,
First output end of the solar controller is connect with the Intelligent monitoring device and microbalance, is set for the intellectual monitoring
The power supply of standby and microbalance.
3. highly reliable contact depositing dust bar on-line monitoring system according to claim 2, which is characterized in that the solar energy
The second output terminal of controller is connected with battery by the first current-limiting protection circuit.
4. highly reliable contact depositing dust bar on-line monitoring system according to claim 3, which is characterized in that the intelligence prison
Measurement equipment further includes solar panels voltage test module and accumulator cell charging and discharging test module, the solar panels voltage tester mould
Block connects the input terminal of the solar controller and obtains solar panels voltage data, the accumulator cell charging and discharging test module
It connects the second output terminal of the solar controller and obtains accumulator cell charging and discharging data.
5. highly reliable contact depositing dust bar on-line monitoring system according to claim 4, which is characterized in that the intelligence prison
Measurement equipment further includes ARM controller and GPS positioning module, and the GPRS wireless transport module is by the solar panels voltage number
According to, accumulator cell charging and discharging data, the location data of GPS positioning module upload to the server platform.
6. highly reliable contact depositing dust bar on-line monitoring system according to claim 5, which is characterized in that the user is whole
End obtains solar panels voltage data, accumulator cell charging and discharging data and location data from server platform.
7. highly reliable contact depositing dust bar on-line monitoring system according to claim 3, which is characterized in that the depositing dust bar
Lower part be provided with lower position switch, the motor is connected with electric machine controller, and the battery passes through the second current-limiting protection electricity
Road connects the input terminal of the electric machine controller, and the output end of the electric machine controller connects the motor and supplies the motor
The control terminal of electricity, the electric machine controller connects the upper limit switch and lower position switch.
8. highly reliable contact depositing dust bar on-line monitoring system according to claim 3, which is characterized in that the battery
It is connected with standby battery socket.
9. highly reliable contact depositing dust bar on-line monitoring system according to claim 2, which is characterized in that the solar energy
First output end of controller is connected with camera and powers to camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125019.1A CN109682733B (en) | 2019-02-20 | 2019-02-20 | High-reliability contact type dust falling rod online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125019.1A CN109682733B (en) | 2019-02-20 | 2019-02-20 | High-reliability contact type dust falling rod online monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682733A true CN109682733A (en) | 2019-04-26 |
| CN109682733B CN109682733B (en) | 2024-05-07 |
Family
ID=66196579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910125019.1A Active CN109682733B (en) | 2019-02-20 | 2019-02-20 | High-reliability contact type dust falling rod online monitoring system |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160028346A (en) * | 2015-06-08 | 2016-03-11 | 이승철 | The smart controlling system and the controller |
| CN207197995U (en) * | 2017-05-17 | 2018-04-06 | 德航（天津）智能科技有限公司 | A kind of airborne dust on-line monitoring system |
| CN108593482A (en) * | 2018-04-13 | 2018-09-28 | 北京英视睿达科技有限公司 | Adjustable depositing dust monitoring device |
| CN208076319U (en) * | 2018-04-13 | 2018-11-09 | 北京英视睿达科技有限公司 | Depositing dust monitoring device |
| CN209764667U (en) * | 2019-02-20 | 2019-12-10 | 北京市环境保护监测中心 | High-reliability contact type dust fall rod online monitoring system |
-
2019
- 2019-02-20 CN CN201910125019.1A patent/CN109682733B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160028346A (en) * | 2015-06-08 | 2016-03-11 | 이승철 | The smart controlling system and the controller |
| CN207197995U (en) * | 2017-05-17 | 2018-04-06 | 德航（天津）智能科技有限公司 | A kind of airborne dust on-line monitoring system |
| CN108593482A (en) * | 2018-04-13 | 2018-09-28 | 北京英视睿达科技有限公司 | Adjustable depositing dust monitoring device |
| CN208076319U (en) * | 2018-04-13 | 2018-11-09 | 北京英视睿达科技有限公司 | Depositing dust monitoring device |
| CN209764667U (en) * | 2019-02-20 | 2019-12-10 | 北京市环境保护监测中心 | High-reliability contact type dust fall rod online monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109682733B (en) | 2024-05-07 |
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