CN109682733B - High-reliability contact type dust falling rod online monitoring system - Google Patents

High-reliability contact type dust falling rod online monitoring system Download PDF

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Publication number
CN109682733B
CN109682733B CN201910125019.1A CN201910125019A CN109682733B CN 109682733 B CN109682733 B CN 109682733B CN 201910125019 A CN201910125019 A CN 201910125019A CN 109682733 B CN109682733 B CN 109682733B
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China
Prior art keywords
butt joint
contact
dust fall
joint plate
intelligent monitoring
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CN109682733A (en
Inventor
景宽
孙磊
安欣欣
刘保献
马腾飞
王莉华
罗霄旭
李海军
金萌
郭羽
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Beijing Municipal Environmental Monitoring Center
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Beijing Municipal Environmental Monitoring Center
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N15/0606Investigating 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 high-reliability contact type dust fall rod on-line monitoring system, which belongs to the field of dust fall monitoring and comprises a dust fall rod, a dust fall cylinder, a power supply system, intelligent monitoring equipment, a server platform and a user terminal. The power supply system and the intelligent monitoring equipment are arranged on the dust falling rod; the upper part of the dust falling rod is fixed with a bracket, the dust falling rod is embedded with a sliding rail, the dust falling cylinder is in sliding connection with the sliding rail through an L-shaped bracket, and the bottom of the dust falling cylinder is provided with a microbalance; the upper limit switch and the upper butt joint plate are arranged on the support, the lower butt joint plate is arranged on the L-shaped bracket, the upper butt joint plate is electrically connected with the intelligent monitoring equipment, the lower butt joint plate is electrically connected with the microbalance, the upper butt joint plate is provided with a contact, and the lower butt joint plate is provided with a contact butt joint head. When the L-shaped bracket rises to the top end, the upper limit switch contacts act to send out control signals, the motor stops rotating, and the signal contacts just contact reliably. The invention adopts contact type contact, and provides stability and reliability of the system.

Description

High-reliability contact type dust falling rod online monitoring system
Technical Field
The invention relates to the field of atmospheric dust fall monitoring, in particular to a high-reliability contact type dust fall rod on-line monitoring system.
Background
With the development and progress of social civilization, the air quality problem is getting more and more important. Dust fall monitoring is used as an atmospheric pollutant routine monitoring project, and one of main indexes reflecting the pollution of atmospheric dust particles is increasingly valued by related departments of countries. Dust fall plays a very important basic monitoring role as an effective technical means for measuring the dust fall amount in the atmosphere.
Atmospheric particulates are a generic term for various solid and liquid particulate materials present in the atmosphere. The uniform dispersion of various particulate materials in air constitutes a relatively stable, bulky suspension system, i.e., an aerosol system, and thus atmospheric particulates are also known as atmospheric aerosols. Aerosol is a multiphase system composed of particles and gas, and dust, smoke, fog, haze and the like which are commonly seen belong to the category of aerosol. Atmospheric particulates are classified into: the Total Suspended Particles (TSP) are less than or equal to 100 mu m in particle size, the inhalable particles (PM 10) are less than or equal to 10 mu m in particle size, and the fine particles (PM 2.5) are less than or equal to 2.5 mu m in particle size. The dust fall means that the particle size is more than or equal to 10 mu m, and can fall under the action of gravity, wherein TSP and PM10 belong to large-particle-size particles, and the dust fall belongs to dust pollution.
Current dust fall monitoring is that the sample sampling time is typically one month. The height of the dust settling tank on the dust settling rod is 5.5-6 meters, the dust settling tank on the dust settling rod needs to be lowered to 1 meter after sampling, and the dust settling tank on the dust settling rod is lowered to 5.5-6 meters after sampling is completed. Because the weight of atmosphere dust fall needs on-line monitoring, traditional with dust fall pole elevating part with wire and pole main part carry out electric connection, such connection is unreliable, and especially in winter in north weather relatively cold, frost, dry snowflake and the raindrop of adhering to on the wire freeze a small amount of ice because of the temperature drops to minus, forms the wire and amass ice, and the wire takes place very easily when rising and falling.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-reliability contact type dust fall rod on-line monitoring system, which adopts contact type contact and provides stability and reliability of the system.
The technical scheme provided by the invention is as follows:
The utility model provides a high reliable contact dust fall pole on-line monitoring system, includes dust fall pole, dust fall jar, power supply system, intelligent monitoring equipment, server platform and user terminal, wherein:
the power supply system and the intelligent monitoring equipment are arranged on the dust falling rod;
The upper part of the dust falling rod is fixed with a bracket, the dust falling rod is embedded with a sliding rail, the dust falling cylinder is in sliding connection with the sliding rail through an L-shaped bracket, and the bottom of the dust falling cylinder is provided with a microbalance;
an upper limit switch and an upper butt joint plate are arranged on the support, a lower butt joint plate is arranged on the L-shaped bracket, the upper butt joint plate is electrically connected with the intelligent monitoring equipment, the lower butt joint plate is electrically connected with the microbalance, a contact is arranged on the upper butt joint plate, and a contact butt joint head is arranged on the lower butt joint plate;
when the L-shaped bracket is driven by the motor to ascend to the bracket along the sliding rail, the upper limit switch acts and sends out a control signal, the motor stops rotating, so that the contact of the upper butt joint plate and the contact butt joint of the lower butt joint plate are reliably contacted, and the microbalance is electrically communicated with the intelligent monitoring equipment;
The intelligent monitoring equipment comprises a GPRS wireless transmission module, the micro balance measures the weight of the dust fall cylinder in real time and sends measured weight data to the intelligent monitoring equipment, the intelligent monitoring equipment uploads the weight data to the server platform through the GPRS wireless transmission module, the server platform analyzes and monitors the weight data, and the user terminal obtains the dust fall data obtained after analysis and monitoring from the server platform.
Further, the power supply system comprises a solar panel and a solar controller, wherein the input end of the solar controller is connected with the output end of the solar panel, and the first output end of the solar controller is connected with the intelligent monitoring equipment and the microbalance to supply power for the intelligent monitoring equipment and the microbalance.
Further, a second output end of the solar controller is connected with a storage battery through a first current limiting protection circuit.
Further, the intelligent monitoring device further comprises a solar panel voltage testing module and a storage battery charging and discharging testing module, wherein the solar panel voltage testing module is connected with the input end of the solar controller and acquires solar panel voltage data, and the storage battery charging and discharging testing module is connected with the second output end of the solar controller and acquires storage battery charging and discharging data.
Furthermore, the intelligent monitoring equipment further comprises an ARM controller and a GPS positioning module, and the GPRS wireless transmission module uploads the solar panel voltage data, the storage battery charge and discharge data and the positioning data of the GPS positioning module to the server platform.
Further, the user terminal obtains solar panel voltage data, storage battery charging and discharging data and positioning data from the server platform.
Further, a lower limit switch is arranged at the lower part of the dust fall rod, the motor is connected with a motor controller, the storage battery is connected with the input end of the motor controller through a second current limiting protection circuit, the output end of the motor controller is connected with the motor and supplies power to the motor, and the control end of the motor controller is connected with the upper limit switch and the lower limit switch.
Further, the storage battery is connected with a standby storage battery socket.
Further, a first output end of the solar controller is connected with a camera and supplies power to the camera.
The invention has the following beneficial effects:
The upper limit switch is matched with the signal contact, when the L-shaped bracket rises to the top end, the upper limit switch contact acts to send out a control signal, the motor stops rotating, and the signal contact is just reliably contacted. According to the invention, the weight signal is not monitored only when the cylinder is taken every month, and the dust fall weight can be monitored after the cylinder is taken and the lifting part is reset. The system adopts contact type contact, and provides stability and reliability of the system. The system has the advantages of exquisite structure, reliable and stable performance, convenient operation, wide application range, safety and reliability.
According to the invention, the weight of the dust settling tank is measured in real time through the microbalance, the weight data is uploaded to the server platform through the intelligent monitoring equipment for analysis and monitoring, the real-time dust settling data is obtained, and the real-time dust settling data can be checked through the user terminal. The invention fully integrates the wireless communication technology and the internet of things technology, combines with the atmospheric dust fall big data analysis and monitoring platform, and manages the data information of the atmospheric dust fall monitoring equipment. And the solar panel is used for supplying power to the intelligent monitoring equipment and the microbalance, so that the intelligent monitoring equipment and the microbalance are simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the high reliability contact type dust fall pole on-line monitoring system of the present invention;
FIG. 2 is a schematic power supply diagram of the high reliability contact type dust fall pole on-line monitoring system of the present invention;
fig. 3 is an enlarged view of a contact portion;
Fig. 4 is a schematic diagram of an intelligent monitoring device.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a high-reliability contact type dust fall rod on-line monitoring system, which is shown in fig. 1-4, and comprises a dust fall rod 100, a dust fall cylinder 1, a power supply system 2, intelligent monitoring equipment 3, a server platform 200 and a user terminal 300, wherein:
the power supply system 2 and the intelligent monitoring device 3 are arranged on the dust fall pole 100.
The upper portion of the dust fall rod 100 is fixed with a support 4, the dust fall rod 100 is embedded with a slide rail 5, the dust fall cylinder 1 is in sliding connection with the slide rail 5 through an L-shaped bracket 6, and a microbalance 7 is arranged at the bottom of the dust fall cylinder 1.
The upper limit switch 8 and the upper abutting plate 9 are arranged on the support 4, the lower abutting plate 10 is arranged on the L-shaped bracket 6, the upper abutting plate 9 is electrically connected with the intelligent monitoring device 3, the lower abutting plate 6 is electrically connected with the microbalance 7, the upper abutting plate 9 is provided with contacts (preferably gold-plated spring needles), and the lower abutting plate 10 is provided with contact abutting joints (preferably gold-plated spring needles).
When the L-shaped bracket 8 is driven by the motor 11 to ascend to the support 4 along the sliding rail 5, the upper limit switch 8 acts, a control signal is sent, the motor stops rotating, the contact of the upper butt joint plate 9 and the contact butt joint of the lower butt joint plate 10 are reliably contacted, and the microbalance 7 is electrically communicated with the intelligent monitoring equipment 3.
The intelligent monitoring device 3 comprises a GPRS wireless transmission module 31, the microbalance 7 measures the weight of the dust fall jar 1 in real time and sends the measured weight data to the intelligent monitoring device 3, the intelligent monitoring device 3 uploads the weight data to the server platform 200 through the GPRS wireless transmission module 31, the server platform 200 analyzes and monitors the weight data, and the user terminal 300 obtains the dust fall data obtained after analysis and monitoring from the server platform 200. The intelligent monitoring device 3 may further include an MQTT server communication interface 36, and when the network quality is poor, the MQTT server communication interface 36 may be used to communicate with the server platform 200.
The high-reliability contact comprises an upper butt joint plate and a lower butt joint plate, wherein the upper butt joint plate is provided with a gold-plated spring needle, and the lower butt joint plate is provided with a gold-plated spring needle joint. When sampling, the upper butt joint plate and the lower butt joint plate are separated, and the on-site sampling personnel take the dust settling cylinder back to the laboratory for atmospheric dust settling analysis. After the sampling is completed, the upper butt joint plate and the lower butt joint plate are in butt joint, so that signal transmission of the microbalance is realized.
The upper limit switch is matched with the signal contact, when the L-shaped bracket rises to the top end, the upper limit switch contact acts to send out a control signal, the motor stops rotating, and the signal contact is just reliably contacted. According to the invention, the weight signal is not monitored only when the cylinder is taken every month, and the dust fall weight can be monitored after the cylinder is taken and the lifting part is reset. The system adopts contact type contact, and provides stability and reliability of the system. The system has the advantages of exquisite structure, reliable and stable performance, convenient operation, wide application range, safety and reliability.
According to the invention, the weight of the dust settling tank is measured in real time through the microbalance, the weight data is uploaded to the server platform through the intelligent monitoring equipment for analysis and monitoring, the real-time dust settling data is obtained, and the real-time dust settling data can be checked through the user terminal. The invention fully integrates the wireless communication technology and the internet of things technology, combines with the atmospheric dust fall big data analysis and monitoring platform, and manages the data information of the atmospheric dust fall monitoring equipment. And the solar panel is used for supplying power to the intelligent monitoring equipment and the microbalance, so that the intelligent monitoring equipment and the microbalance are simple and convenient.
As an improvement of the present invention, the power supply system 2 includes a solar panel 21 and a solar controller 22, an input 221 of the solar controller 22 is connected to an output of the solar panel 21, and a first output 222 of the solar controller 22 is connected to the intelligent monitoring device 3 and the microbalance 7 to supply power to the intelligent monitoring device 3 and the microbalance 7. The second output 223 of the solar controller 22 is connected to the battery 24 through the first current limiting protection circuit 23.
The solar controller of the present invention is preferably an MPPT solar controller. The solar controller controls the charge and discharge conditions of the storage battery, and controls the electric energy output of the solar panel and the storage battery to the load according to the power supply requirement of the load (intelligent monitoring equipment and micro balance).
The intelligent monitoring device 3 of the present invention further comprises a solar panel voltage testing module 32, a battery charge and discharge testing module 33, an ARM controller 34 and a GPS positioning module 35, wherein the solar panel voltage testing module 32 is connected with the input end 221 of the solar controller 22 and acquires solar panel voltage data, and the battery charge and discharge testing module 33 is connected with the second output end 223 of the solar controller 22 and acquires battery charge and discharge data. The data such as solar panel voltage data, storage battery charge and discharge data, and the working state of the MPPT solar controller are transmitted to the ARM controller, and the GPRS wireless transmission module 31 uploads the data such as solar panel voltage data, storage battery charge and discharge data, positioning data of the GPS positioning module, and the working state of the MPPT solar controller to the server platform 200.
The user terminal 300 acquires solar panel voltage data, battery charge and discharge data, and positioning data from the server platform 200.
The invention can remotely monitor the working states of the solar panel and the storage battery, and can remotely monitor and repair the solar panel and the storage battery in time when the condition of insufficient power supply caused by damage of the solar panel and the storage battery occurs. The intelligent power supply system adopts an intelligent power supply mode, is intuitive to find, convenient to operate, wide in application range, safe and reliable, and can monitor in real time.
Further, a lower limit switch 12 is arranged at the lower part of the dust fall rod 100, the motor 11 is connected with a motor controller 13, the storage battery 24 is connected with the input end of the motor controller 13 through a second current limiting protection circuit 25, the output end of the motor controller 13 is connected with the motor 11 and supplies power to the motor 11, and the control end of the motor controller 13 is connected with an upper limit switch 8 and a lower limit switch 12. A switch 27 is preferably provided between the battery 24 and the second current limiting protection circuit 25.
When the L-shaped bracket descends to trigger the lower limit switch (or ascends to trigger the upper limit switch), the motor controller acquires the signal of the lower limit switch (or the upper limit switch) and controls the motor to stop rotating.
Further, the battery 24 may also be connected to a backup battery receptacle 26 for mounting a backup battery for use in powering during extreme weather conditions such as continuous rainy days.
To monitor the equipment on the dust fall pole, a first output 222 of the solar controller 22 is connected to and powers the camera 14.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims (9)

1. The utility model provides a high reliable contact dust fall pole on-line monitoring system which characterized in that, including dust fall pole, dust fall jar, power supply system, intelligent monitoring equipment, server platform and user terminal, wherein:
the power supply system and the intelligent monitoring equipment are arranged on the dust falling rod;
The upper part of the dust falling rod is fixed with a bracket, the dust falling rod is embedded with a sliding rail, the dust falling cylinder is in sliding connection with the sliding rail through an L-shaped bracket, and the bottom of the dust falling cylinder is provided with a microbalance;
An upper limit switch and an upper butt joint plate are arranged on the support, a lower butt joint plate is arranged on the L-shaped bracket, the upper butt joint plate is electrically connected with the intelligent monitoring equipment, the lower butt joint plate is electrically connected with the microbalance, a contact is arranged on the upper butt joint plate, and a contact butt joint head is arranged on the lower butt joint plate; the contact is a gold-plated spring needle, and the contact butt joint is a gold-plated spring butt joint;
when the L-shaped bracket is driven by the motor to ascend to the bracket along the sliding rail, the upper limit switch acts and sends out a control signal, the motor stops rotating, so that the contact of the upper butt joint plate and the contact butt joint of the lower butt joint plate are reliably contacted, and the microbalance is electrically communicated with the intelligent monitoring equipment;
The intelligent monitoring equipment comprises a GPRS wireless transmission module, the micro balance measures the weight of the dust fall cylinder in real time and sends measured weight data to the intelligent monitoring equipment, the intelligent monitoring equipment uploads the weight data to the server platform through the GPRS wireless transmission module, the server platform analyzes and monitors the weight data, and the user terminal obtains the dust fall data obtained after analysis and monitoring from the server platform.
2. The high-reliability contact type dust fall pole online monitoring system according to claim 1, wherein the power supply system comprises a solar panel and a solar controller, wherein the input end of the solar controller is connected with the output end of the solar panel, and the first output end of the solar controller is connected with the intelligent monitoring device and the microbalance to supply power to the intelligent monitoring device and the microbalance.
3. The high-reliability contact type dust fall pole on-line monitoring system according to claim 2, wherein the second output end of the solar controller is connected with a storage battery through a first current limiting protection circuit.
4. The high-reliability contact type dust fall pole online monitoring system according to claim 3, wherein the intelligent monitoring device further comprises a solar panel voltage testing module and a storage battery charging and discharging testing module, the solar panel voltage testing module is connected with the input end of the solar controller and acquires solar panel voltage data, and the storage battery charging and discharging testing module is connected with the second output end of the solar controller and acquires storage battery charging and discharging data.
5. The high-reliability contact type dust fall pole online monitoring system according to claim 4, wherein the intelligent monitoring device further comprises an ARM controller and a GPS positioning module, and the GPRS wireless transmission module uploads the solar panel voltage data, the storage battery charge and discharge data and the positioning data of the GPS positioning module to the server platform.
6. The high reliability contact dust suppression pole online monitoring system of claim 5, wherein the user terminal obtains solar panel voltage data, battery charge and discharge data, and positioning data from a server platform.
7. The high-reliability contact type dust fall rod on-line monitoring system according to claim 3, wherein a lower limit switch is arranged at the lower part of the dust fall rod, the motor is connected with a motor controller, the storage battery is connected with the input end of the motor controller through a second current limiting protection circuit, the output end of the motor controller is connected with the motor and supplies power to the motor, and the control end of the motor controller is connected with the upper limit switch and the lower limit switch.
8. The high reliability contact dust suppression pole online monitoring system of claim 3, wherein the battery is connected to a backup battery receptacle.
9. The high reliability contact dust suppression pole on-line monitoring system of claim 2, wherein the first output of the solar controller is connected to and powers a camera.
CN201910125019.1A 2019-02-20 2019-02-20 High-reliability contact type dust falling rod online monitoring system Active CN109682733B (en)

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CN109682733B true CN109682733B (en) 2024-05-07

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

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