CN112242050A - Distributed road raise dust monitoring system - Google Patents

Distributed road raise dust monitoring system Download PDF

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Publication number
CN112242050A
CN112242050A CN201910644634.3A CN201910644634A CN112242050A CN 112242050 A CN112242050 A CN 112242050A CN 201910644634 A CN201910644634 A CN 201910644634A CN 112242050 A CN112242050 A CN 112242050A
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monitoring
terminal unit
monitoring terminal
dust
power generation
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CN201910644634.3A
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徐传毅
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Nazhiyuan Technology Tangshan Co Ltd
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Nazhiyuan Technology Tangshan Co Ltd
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Priority to CN201910644634.3A priority Critical patent/CN112242050A/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06311—Scheduling, planning or task assignment for a person or group
    • G06Q10/063118—Staff planning in a project environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06313—Resource planning in a project environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services

Abstract

The invention discloses a distributed road raise dust monitoring system, which comprises: the system comprises at least one monitoring terminal unit, a monitoring center and a scheduling center; the monitoring terminal unit is used for monitoring the road dust concentration according to a preset monitoring period; the monitoring center is connected with at least one monitoring terminal unit and is used for analyzing the data sent by the monitoring terminal unit and planning an operation mode according to an analysis result; the dispatching center is connected with the monitoring center and used for completing cleaning operation according to the operation mode planned by the monitoring center. The distributed road raise dust monitoring system is reasonable in layout, strong in real-time performance, cost-saving and high in working efficiency.

Description

Distributed road raise dust monitoring system
Technical Field
The invention relates to the technical field of environmental sanitation management, in particular to a road raise dust monitoring system.
Background
The dust is an open pollution source which is caused by that the dust on the ground is blown into the atmosphere by wind power, artificial driving and other driving, and is an important component of general environmental pollution indexes, namely total suspended particulate matters (TSP), so that the air is polluted, the environment is influenced, and the human health is harmed. In order to improve the air quality and improve the living environment better, the raise dust monitoring system and the monitoring equipment are receiving more and more attention.
Among the prior art, road raise dust monitoring facilities is mostly the monitoring sub-station or the on-vehicle mobile monitoring equipment that the fixed point set up, is difficult to the raise dust condition of monitoring a plurality of highway sections simultaneously. In addition, the cleaning operation of the urban road generally adopts a timing cleaning method. When the rain is in a wet weather, resources are easily wasted due to over-cleaning; or, in floating dust and sand weather, the pollution is easy to be serious due to untimely cleaning. Therefore, a multi-node, energy-saving and efficient raise dust monitoring system is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a distributed road raise dust monitoring system. The method is used for solving the problems of poor dust emission monitoring systematicness, poor real-time performance, difficult tracking and monitoring, low working efficiency and the like in the prior art.
The invention provides a distributed road raise dust monitoring system, which comprises: the system comprises at least one monitoring terminal unit, a monitoring center and a scheduling center; the monitoring terminal unit is used for monitoring the concentration of road raised dust according to a preset monitoring period; the monitoring center is connected with at least one monitoring terminal unit and is used for analyzing the data sent by the monitoring terminal unit and planning an operation mode according to an analysis result; the dispatching center is connected with the monitoring center and used for completing cleaning operation according to the operation mode planned by the monitoring center.
Furthermore, the monitoring terminal unit comprises a dust sensor, a processor, a first wireless communication module and a power supply module; the processor comprises a clock controller and a memory, wherein the clock controller is connected with the dust sensor and is used for controlling the dust sensor to monitor the concentration of the road dust; the memory is used for storing the GPS position information of the monitoring terminal unit and a preset monitoring period; the first wireless communication module is connected with the processor and used for sending the dust concentration and the GPS position information of the monitoring terminal unit to the monitoring center.
Optionally, the number of the monitoring terminal units is multiple, the monitoring terminal units are arranged along a road, and the distance between every two adjacent monitoring terminal units is 1-2 km.
Furthermore, the monitoring center comprises a second wireless communication module, a judgment module and a planning module; the second wireless communication module is used for receiving data sent by the monitoring terminal unit; the judging module is used for comparing the dust concentration with a preset threshold value and judging whether cleaning operation is needed or not; and the planning module is used for planning a cleaning operation mode according to the judgment result of the judgment module and the GPS position information of the monitoring terminal unit and sending an operation request to the dispatching center.
Optionally, the preset threshold is a, wherein a > 0; when the dust concentration monitored by the monitoring terminal unit is more than or equal to a, the position of the monitoring terminal unit is indicated to need cleaning operation, and the monitoring center sends an operation request; when the dust concentration monitored by the monitoring terminal unit is less than a, the monitoring terminal unit is located at a position where cleaning operation is not needed, and the monitoring center does not send an operation request.
Optionally, the preset monitoring period includes a daily monitoring period and an emergency monitoring period.
Optionally, the preset threshold comprises a lower threshold a1 and an upper threshold a2, wherein 0 < a1 < a 2; when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is less than a1, the monitoring terminal unit is located at a position where cleaning operation is not needed, and the monitoring center does not send an operation request; when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is more than or equal to a1 and less than a2, the position of the monitoring terminal unit is indicated to need to carry out daily cleaning operation, and the monitoring center sends out a daily cleaning operation request; when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is larger than or equal to a2, the situation that the position of the monitoring terminal unit needs to be subjected to emergency cleaning operation is indicated, the monitoring center sends an emergency cleaning operation request, meanwhile, the monitoring center sends an emergency monitoring task to the monitoring terminal unit, and the monitoring terminal unit carries out dust concentration monitoring according to the emergency monitoring period.
Optionally, the monitoring center further includes: the pre-judging module is used for pre-judging whether the received data sent by the monitoring terminal unit is normal or not, and if the data is normal, outputting the data to the judging module; the display and analysis module is connected with the judgment module and comprises a display screen based on an electronic map, and when the judgment module judges that cleaning operation needs to be carried out, the display screen based on the electronic map is combined with GPS position information of the monitoring terminal unit to display a dust concentration value in real time.
Optionally, the display and analysis module may be further configured to analyze whether the determination results of the two adjacent monitoring terminal units both require cleaning operation, and if yes, a road segment between the two adjacent monitoring terminal units is highlighted in color on the display screen based on the electronic map.
Further, the power module comprises a power generation unit and an energy storage unit; wherein the power generation unit comprises a friction power generation component and/or a solar power generation component; the energy storage unit comprises an energy storage element and an alternating current-direct current converter, a first end of the energy storage unit is connected with the power generation unit and used for storing electric energy generated by the power generation unit, and a second end of the energy storage unit is connected with the sensor, the processor and the wireless communication module and used for providing electric energy for the sensor, the processor and the wireless communication module.
Optionally, the friction power generation component is a closed vibration generator based on a friction generator for collecting vibration energy in the environment and converting it into electrical energy; or the friction power generation component is a closed wind power generator based on a friction generator and is used for collecting wind energy in the environment and converting the wind energy into electric energy.
Optionally, the enclosed vibration generator based on a friction generator comprises: a protective cover having a chamber therein; the cantilever beam is positioned in the cavity, a first end of the cantilever beam is fixedly connected with the inner wall of the protective cover, and a second end of the cantilever beam is constructed to be capable of reciprocating under the action of external force; the friction power generation components are arranged in the protective cover, each friction power generation component comprises a first friction power generation part and a second friction power generation part, the first friction power generation part is fixedly connected with the second end of the cantilever beam, the second friction power generation part is arranged on the inner wall of the protective cover in an insulating mode, and the surfaces of the first friction power generation part and the second friction power generation part correspond to each other; under the action of external force, the second end of the cantilever beam drives the first friction power generation part to reciprocate, so that the surfaces of the first friction power generation part and the second friction power generation part which correspond to each other are contacted and separated to generate electric charges.
Optionally, the enclosed wind power generator based on the friction power generator comprises at least one friction power generation assembly, a housing for accommodating the at least one friction power generation assembly, a rotating shaft, at least one cam and fan blades; wherein, at least one friction power generation component is fixedly arranged on the inner wall of the shell; one part of the rotating shaft is positioned outside the shell, and the other part of the rotating shaft extends into the shell; at least one cam is fixedly arranged on a rotating shaft positioned in the shell; the fan blade is fixedly arranged at the end part of the rotating shaft positioned outside the shell.
Optionally, the closed wind driven generator based on the friction generator comprises a vibrating diaphragm enclosing a closed cavity and a fixed diaphragm positioned in the closed cavity; under the action of external force, the vibrating diaphragm and the fixed film are in contact friction to form a friction interface; a first electrode layer and a second electrode layer are formed on the outer side surface of the diaphragm, and the first electrode layer and the second electrode layer are not in contact with each other; the first electrode layer and/or the second electrode layer are/is an electric signal output end.
Optionally, the solar power generation component is a thin film solar cell, and the thin film solar cell is selected from any one of a GaAs thin film solar cell, a CIS thin film solar cell, or a CdTe thin film solar cell.
Optionally, the energy storage unit further includes an external power port for receiving external power.
According to the distributed road dust emission monitoring system provided by the invention, the monitoring terminal units distributed along the road monitor the road dust emission condition and send related data. The monitoring center receives and processes the data from the monitoring terminal unit, judges whether cleaning is needed or not according to the monitoring result, plans the operation mode of cleaning operation and sends an operation request. And the dispatching center dispatches vehicles or workers to carry out cleaning operation according to the requirements of the monitoring center and supervises the operation quality. The distributed road dust monitoring system provided by the invention can automatically monitor road dust and judge whether cleaning is needed or not according to the monitoring result, has the advantages of reasonable layout, strong real-time performance, cost saving and high working efficiency, and has positive effect and significance on urban environment protection.
Drawings
Fig. 1 is a functional block diagram of a distributed road dust monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic functional module diagram of a monitoring terminal unit of a distributed road dust monitoring system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a monitoring terminal unit of a distributed road dust monitoring system according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a closed vibration generator based on a friction generator according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a closed wind power generator based on a friction generator according to another embodiment of the present invention;
FIG. 6 is a schematic structural view of a closed wind power generator based on a friction generator according to another embodiment of the present invention;
fig. 7 is a schematic flow chart of a working method of a distributed road raise dust monitoring system according to an embodiment of the present invention;
fig. 8 is a schematic flow chart of a working method of the distributed road raise dust monitoring system according to the second embodiment of the present invention;
fig. 9 is a schematic diagram of a workflow of a distributed road raise dust monitoring system according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
Fig. 1 is a schematic functional module diagram of a distributed road dust monitoring system according to an embodiment of the present invention. As shown in fig. 1, the distributed road fugitive dust monitoring system includes at least one monitoring terminal unit 10, a monitoring center 20, and a scheduling center 30. The monitoring terminal unit 10 is used for monitoring the road raise dust concentration according to a preset monitoring period; the monitoring center 20 is connected with at least one monitoring terminal unit 10, and is used for analyzing data sent by the monitoring terminal unit 10 and planning an operation mode according to an analysis result; the dispatching center 30 is connected to the monitoring center 20 for performing the cleaning operation according to the operation mode planned by the monitoring center 20. Considering that the urban road has a complex structure and multiple functions, the number of the monitoring terminal units 10 can be multiple, a plurality of monitoring terminal units 10 are arranged along the road, and the distance between adjacent monitoring terminal units 10 is 1-2 km. Specifically, the monitoring terminal unit may be disposed on a roadside, or may be disposed in an isolation zone of an urban road, which is not specifically limited herein.
Further, fig. 2 and fig. 3 are a schematic functional module diagram and a schematic structural diagram of a monitoring terminal unit of a distributed road raise dust monitoring system according to an embodiment of the present invention, respectively. As shown in fig. 2 and 3, the monitoring terminal unit 10 includes a bracket 15, and a dust sensor 11, a processor 12, a first wireless communication module 13, and a power supply module 14 provided on the bracket 15. The processor 12 comprises a clock controller and a memory, wherein the clock controller is connected with the dust sensor 11 and used for controlling the dust sensor 11 to monitor the road dust concentration according to a preset monitoring period, and the memory is used for storing the GPS position information and the preset monitoring period of the monitoring terminal unit 10; the first wireless communication module 13 is connected to the processor 12, and is configured to send the dust emission concentration and the GPS location information of the monitoring terminal unit 10 to the monitoring center 20; the power module 14 includes a power generation unit 142 and an energy storage unit 141, wherein the power generation unit 142 includes a friction power generation component 1422 and/or a solar power generation component 1421; the energy storage unit 141 includes an energy storage element and an ac-dc converter, a first end of the energy storage unit 141 is connected with the power generation unit 142 for storing electric energy generated by the power generation unit 142, and a second end of the energy storage unit 141 is connected with the dust sensor 11, the processor 12 and the first wireless communication module 13 for providing electric energy for the sensor 11, the processor 12 and the first wireless communication module 13.
Specifically, the support 15 can be fixed on the ground through the fixing seat and the bolt, so that the monitoring terminal unit is prevented from falling.
Specifically, the GPS position information of the monitor terminal unit 10 may be determined, input, and stored in the memory by a technician when the monitor terminal unit 10 is installed and debugged.
Specifically, the preset monitoring period may be set remotely by a technician as needed; preferably, the preset monitoring period may be 5min to 2 h.
Optionally, the memory may also be configured to store a monitoring terminal unit ID, which at least includes a monitoring terminal unit code number, a monitoring unit to which the monitoring terminal unit belongs, and monitoring network or node information. When the monitoring terminal unit 10 sends the dust concentration and the GPS location information of the monitoring terminal unit 10 to the monitoring center 20, the monitoring terminal unit ID may be sent together for analyzing or evaluating the dust control effect according to a management unit or an administrative area.
In some embodiments of the present invention, the friction power generation component 1422 is a closed type vibration generator based on a friction generator, which is used to collect vibration energy in the environment and convert it into electric energy; or the friction power generating component 1422 is a closed wind power generator based on a friction generator, for collecting wind energy in the environment and converting it into electric energy. The concrete structure is as follows:
fig. 4 is a closed type vibration generator based on a friction generator according to an embodiment of the present invention, and as shown in fig. 4, the closed type vibration generator based on a friction generator includes: a protective cover 41 having a cavity therein; a cantilever beam 42 positioned in the chamber, wherein a first end of the cantilever beam 42 is fixedly connected with the inner wall of the protective cover 41, and a second end is constructed to reciprocate under the action of external force; a plurality of sets of friction power generating assemblies 43, each set of friction power generating assemblies 43 comprising a first friction power generating part 431 and a second friction power generating part 432, wherein the first friction power generating part 431 is fixedly connected with the second end of the cantilever beam 42, the second friction power generating part 432 is insulatively arranged on the inner wall of the protective cover 41, and the surfaces of the first friction power generating part 431 and the second friction power generating part 432 correspond to each other; under the action of an external force (e.g., when subjected to vibration), the second end of the cantilever beam 42 drives the first friction generating portion 431 to reciprocate, so that the surfaces of the first friction generating portion 431 and the second friction generating portion 432 corresponding to each other are contacted and separated to generate electric charges.
Fig. 5 is a friction generator-based enclosed wind power generator according to another embodiment of the present invention, and as shown in fig. 5, the friction generator-based enclosed wind power generator includes at least one friction power generating component 54, an enclosed housing 55 for accommodating the at least one friction power generating component, a rotating shaft 51, at least one cam 53, and fan blades 52; wherein, at least one friction generating component 54 is fixedly arranged on the inner wall of the closed shell 55; a part of the rotating shaft 51 is positioned outside the hermetic case 55, and the other part of the rotating shaft 51 is inserted into the hermetic case 55; at least one cam 53 is fixedly arranged on the rotating shaft 51 positioned inside the closed type shell 55; the fan blades 52 are fixed to the end of the rotating shaft 51 located outside the hermetic case 55. Each cam 53 has a plurality of protrusions, and when the fan blade 52 rotates the cam 53 via the rotating shaft 51, ends of the plurality of protrusions press the friction power generating assembly 54, and each friction power generating assembly 54 includes a first friction power generating portion and a second friction power generating portion, and under an end pressing force of the protrusions, the first friction power generating portion and the second friction power generating portion contact and separate between surfaces corresponding to each other to generate electric charges.
In the embodiments shown in fig. 4 and 5 described above, the friction generating assembly may be selected from those in the prior art friction generators. Specifically, the first friction power generation portion includes: a first electrode layer, and a second friction power generation portion including: the first high-molecular polymer insulating layer and the second electrode layer are arranged in sequence; alternatively, the first friction power generation section includes: first electrode layer and the second high molecular polymer insulating layer that sets gradually, second friction electricity generation portion includes: the first high-molecular polymer insulating layer and the second electrode layer are arranged in sequence; alternatively, the first friction power generation section includes: first electrode layer and the second high molecular polymer insulating layer that sets gradually, second friction electricity generation portion includes: the interlayer thin film layer, the first high-molecular polymer insulating layer and the second electrode layer are arranged in sequence; alternatively, the first friction power generation section includes: first electrode layer and the second high molecular polymer insulating layer that sets gradually, second friction electricity generation portion includes: the electrode comprises an intermediate electrode layer, a first high-molecular polymer insulating layer and a second electrode layer which are arranged in sequence. The first electrode layer and the second electrode layer are electric energy output ends of the friction power generation assembly; the first friction power generation part and the second friction power generation part are contacted and separated with each other under the action of external force to generate alternating current.
Fig. 6 is a friction generator-based enclosed wind turbine according to another embodiment of the present invention, and as shown in fig. 6, the friction generator-based enclosed wind turbine includes a diaphragm 62 enclosing an enclosed cavity and a fixed diaphragm 63 located inside the enclosed cavity; under the action of external force, the vibrating diaphragm 62 and the fixed diaphragm 63 are in contact friction to form a friction interface; a first electrode layer 61 and a second electrode layer 64 are formed on the outer side surface of the diaphragm 62, and the first electrode layer 61 and the second electrode layer 64 are not in contact with each other; the first electrode layer 61 and/or the second electrode layer 64 are electrical signal output terminals. When the diaphragm 62 is acted by an external force, the diaphragm 62 and the fixed film 63 rub against each other to generate electric charges, so that a potential difference occurs between the first electrode layer 61 and the second electrode layer 64. Due to the existence of the potential difference between the first electrode layer 61 and the second electrode layer 64, free electrons will flow from the side of low potential to the side of high potential through an external circuit, thereby forming a current in the external circuit; when the diaphragm 62 returns to its original state, the internal potential formed between the first electrode layer 61 and the second electrode layer 64 disappears, and then a reverse potential difference is generated between the balanced first electrode layer 61 and the balanced second electrode layer 64 again, so that the free electrons form a reverse current through the external circuit, and thus an ac signal is formed in the external circuit.
In the above embodiments, the triboelectric generating component may be selected from the friction materials in the prior art triboelectric generators. In particular, the materials of the first electrode layer, the second electrode layer and the intervening electrode layer are selected from indium tin oxide, graphene, silver nanowire films, metals or alloys. Wherein the metal is gold, silver, platinum, palladium, aluminum, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten, or vanadium; the alloy is an aluminum alloy, a titanium alloy, a magnesium alloy, a beryllium alloy, a copper alloy, a zinc alloy, a manganese alloy, a nickel alloy, a lead alloy, a tin alloy, a cadmium alloy, a bismuth alloy, an indium alloy, a gallium alloy, a tungsten alloy, a molybdenum alloy, a niobium alloy, or a tantalum alloy. The materials of the first high molecular polymer insulating layer, the second high molecular polymer insulating layer, the intermediate film layer, the vibrating diaphragm and the fixed film are respectively selected from polyimide film, aniline formaldehyde resin film, polyformaldehyde film, ethyl cellulose film, polyamide film, melamine formaldehyde film, polyethylene glycol succinate film, cellulose acetate film, polyethylene glycol adipate film, polydiallyl phthalate film, fiber sponge film, polyurethane elastomer film, styrene-propylene copolymer film, styrene-butadiene copolymer film, artificial fiber film, polymethyl methacrylate film, polyvinyl alcohol film, polyester film, polyisobutylene film, polyurethane flexible sponge film, polyethylene glycol terephthalate film, polyvinyl butyral film, formaldehyde phenol film, formaldehyde-formaldehyde resin film, polyvinyl acetate film, polyvinyl adipate film, polyethylene glycol terephthalate film, polyvinyl butyral film, polyvinyl acetate film, polyvinyl butyral film, polyvinyl acetate, One of a chloroprene rubber film, a butadiene-propylene copolymer film, a natural rubber film, a polyacrylonitrile film, an acrylonitrile-vinyl chloride film and a polyethylene propylene carbonate film.
Specifically, a solar power generation component 1421 is disposed on top of the stent, preferably a thin film solar cell, for converting solar energy into electrical energy. The thin film solar cell is selected from any one of GaAs thin film solar cells, CIS thin film solar cells and CdTe thin film solar cells, and can be selected by the skilled in the art according to the actual needs.
Optionally, the energy storage unit 141 further includes an external power port for receiving external power.
Specifically, the energy storage element includes a storage battery, a lithium battery, a nickel metal hydride battery or a super capacitor.
Specifically, the input end of the ac/dc converter is connected to the friction power generation component 1422, and the output end is connected to the energy storage element, so as to convert the ac power generated by the friction power generation component 1422 into dc power.
Optionally, in order to avoid the influence of external environmental factors on the normal operation of the monitoring terminal unit 10, in this scheme, a waterproof protective layer is disposed outside each circuit module, for example, the circuit module is completely wrapped by a corresponding waterproof material, and of course, other waterproof treatments may be adopted, for example, sealing with waterproof glue, so as to ensure the normal operation of the monitoring terminal unit 10.
Alternatively, the monitoring terminal unit 10 may be loaded with other sensors such as a temperature sensor, a humidity sensor, a wind direction sensor, or a wind sensor, which is not limited herein.
Further, as shown in fig. 7, the monitoring center 20 according to the first embodiment of the present invention includes a second wireless communication module 71, a determination module 72, and a planning module 73; the second wireless communication module 71 is configured to receive data sent by the monitoring terminal unit 10, where the data sent by the monitoring terminal unit includes dust concentration and GPS location information; the judging module 72 is used for comparing the dust concentration with a preset threshold value and judging whether cleaning operation is needed; the planning module 73 is configured to plan a cleaning work mode and a cleaning work route according to the determination result of the determination module 72 and the GPS position information of the monitoring terminal unit 10, and send a work request to the scheduling center 30.
Specifically, a preset threshold value of the dust concentration in the monitoring center 20 is a, where a is greater than 0; the judging module 72 compares the dust concentration monitored by the monitoring terminal unit 10 with a preset threshold a, and when the dust concentration is greater than or equal to a, it indicates that the position of the monitoring terminal unit 10 needs to be cleaned, and the monitoring center 20 sends out an operation request; when the dust concentration is less than a, it indicates that the position of the monitoring terminal unit 10 does not require cleaning operation, and the monitoring center 20 does not issue an operation request.
Alternatively, the actual value of the preset threshold a may be set according to local climate characteristics and environmental quality requirements, for example, the preset threshold a is set to 0.2mg/m3. When the concentration of the dust is more than or equal to 0.2mg/m3When the position of the monitoring terminal unit 10 is required to be cleaned, the monitoring center 20 sends out a work request; when the dust concentration is less than 0.2mg/m3In this case, the monitoring terminal unit 10 is not required to perform the cleaning operation, and the monitoring center 20 does not issue the operation request.
Optionally, the planning module 73 also needs to plan the cleaning operation mode in combination with the actual conditions of the cleaning vehicle and the cleaning worker, for example, the cleaning operation mode may be a watering and dust-falling operation or a sweeping operation. In addition, the planning module 73 can also plan the cleaning job route in conjunction with the actual situation of the cleaning vehicle and the cleaning worker.
Further, the dispatching center 30 dispatches vehicles or workers according to the operation mode planned by the monitoring center 20, performs cleaning operation on the road section needing cleaning operation in time, and supervises the operation quality. Optionally, the dispatch center 30 may also be included within the monitoring center 20.
Optionally, the wireless communication functions of the first wireless communication module 13 and the second wireless communication module 71 in this embodiment may be implemented based on technologies such as data transfer radio, GPRS/CDMA, or satellite communication, and are not limited herein.
The following describes in detail a schematic flow chart of a working method of a first embodiment of the distributed road dust monitoring system provided by the present invention with reference to fig. 7, including the following steps:
and S701, monitoring the road dust concentration according to a preset monitoring period.
The dust sensor 11 provided in the monitoring terminal unit 10 is controlled by a clock controller provided in the monitoring terminal unit 10 to monitor the road dust concentration according to a preset monitoring period, for example, the preset monitoring period is 1 h.
And step S702, sending the data to a monitoring center.
The first wireless communication module 13 arranged on the monitoring terminal unit 10 sends the dust concentration data, the GPS position information data of the monitoring terminal unit and the ID data of the monitoring terminal unit to the monitoring center 20.
Step S703, receiving the data sent by the monitoring terminal unit.
The dust concentration data, the GPS position information data of the monitoring terminal unit 10, and the ID data of the monitoring terminal unit 10 are received by the second wireless communication module 71 provided at the monitoring center 20.
Step S704, comparing the dust concentration with a preset threshold value and determining whether a cleaning operation is required.
The determination module 72 disposed in the monitoring center 20 compares the dust concentration data of the position where the monitoring terminal unit 10 is located, received by the second wireless communication module 71, with the preset threshold value. For example, the preset threshold value is the 24-hour average concentration limit of total suspended particulate matter (TSP) of two types of areas (residential areas, mixed areas of commercial traffic and residents, cultural areas, industrial areas and rural areas) in the GB3095-2012 environmental air quality standard3(ii) a When the concentration of the dust is more than or equal to 0.3mg/m3When the position of the monitoring terminal unit 10 is detected, the cleaning operation is required; when the dust concentration is less than 0.3mg/m3This indicates that the position of the monitor terminal unit 10 does not require cleaning.
Step S705, a cleaning operation mode and a route are planned.
When the determination result of the determination module 72 provided in the monitoring center 20 indicates that the location of the monitoring terminal unit 10 needs to be cleaned, the planning module 73 provided in the monitoring center 20 plans the cleaning operation mode and the cleaning operation route according to the GPS location information of the monitoring terminal unit 10 and the actual situations of the cleaning vehicle and the cleaning worker.
Step S706, sending a job request to the dispatching center.
The planning module 73 provided in the monitoring center 20 issues a cleaning job request to the scheduling center 30 according to the planning result.
And step S707, dispatching vehicles or workers to carry out operation and monitoring quality.
The dispatching center 30 dispatches the cleaning vehicles and/or the cleaning workers to complete the cleaning work in time and supervises the quality of the cleaning work.
Further, in order to meet the requirement of monitoring dust emission of large urban roads and facilitate simultaneous processing of data from a large number of monitoring terminal units, as shown in fig. 8, in the distributed road dust emission monitoring system according to the second embodiment of the present invention, a pre-determination module 81 and a display and analysis module 82 are further added to the distributed road dust emission monitoring system according to the first embodiment, where the pre-determination module 81 is configured to pre-determine whether the received data sent by the monitoring terminal unit 10 is normal, and if so, output the data to the determination module 72; the display and analysis module 82 is connected to the determination module 72 and includes a display screen based on an electronic map, and when the determination module 72 determines that the cleaning operation is required, the display screen based on the electronic map displays the dust concentration value in real time in combination with the GPS position information of the monitoring terminal unit 10. Further show with analysis module 82 can also be used for the analysis two adjacent monitor terminal unit 10 judged result whether be and need carry out cleaning operation, if, highway section between two adjacent monitor terminal unit 10 is presented as the prominent display that has the colour on the display screen based on electronic map, this kind of mode of setting can make the surveillance center staff can more audio-visual see which highway section is suffering the raise dust pollution to the more swift convenient highway section that the determination needs to carry out cleaning operation.
The other descriptions in the second embodiment can refer to the descriptions in the first embodiment, and are not repeated herein.
The following specifically explains a flow diagram of a working method of the distributed road raise dust monitoring system provided by the second embodiment of the present invention with reference to fig. 8, including the following steps:
step S801, monitoring the road dust concentration according to a preset monitoring period.
The dust sensor 11 provided in the monitoring terminal unit 10 is controlled by a clock controller provided in the monitoring terminal unit 10 to monitor the road dust concentration according to a preset monitoring period, for example, the preset monitoring period is 30 min.
And step S802, sending the data to a monitoring center.
The first wireless communication module 13 arranged on the monitoring terminal unit 10 sends the dust concentration data, the GPS position information data of the monitoring terminal unit and the ID data of the monitoring terminal unit to the monitoring center 20.
In step S803, the data transmitted by the monitoring terminal unit is received.
The dust concentration data, the GPS position information data of the monitoring terminal unit 10, and the ID data of the monitoring terminal unit 10 are received by the second wireless communication module 71 provided at the monitoring center 20.
Step S804, determining whether the received data is normal.
The pre-determination module 81 provided in the monitoring center 20 determines in advance whether the received data transmitted by the monitoring terminal unit 10 is normal, and if so, executes step S805; if not, step S811 is executed.
Step S805, comparing the dust concentration with a preset threshold value, and determining whether a cleaning operation is required.
The determination module 72 provided in the monitoring center 20 compares the location of the monitoring terminal unit 10 received by the second wireless communication module 71The dust concentration data of the position and the size of a preset threshold value, wherein the preset threshold value is an urban road dust concentration limit value set by an urban A government department of China of 0.2mg/m3(ii) a When the concentration of the dust is more than or equal to 0.2mg/m3When the position of the monitoring terminal unit 10 is detected, the cleaning operation is required; when the dust concentration is less than 0.2mg/m3This indicates that the position of the monitor terminal unit 10 does not require cleaning.
And step S806, displaying the dust concentration value in real time.
When the determination module 72 disposed in the monitoring center 20 determines that the cleaning operation is required, the display and analysis module 82 disposed in the monitoring center 20 displays the dust concentration value of the position of each monitoring terminal unit 10 on the display screen based on the electronic map in real time by combining the GPS position information of the monitoring terminal unit 10.
In step S807, the section requiring the cleaning work is analyzed and highlighted.
The display and analysis module 82 arranged in the monitoring center 20 analyzes whether the dust concentration judgment results of the positions of the two adjacent monitoring terminal units 10 are both required to be cleaned, if yes, the road section between the two adjacent monitoring terminal units 10 is highlighted in yellow on the display screen based on the electronic map, which indicates that the road section is polluted by the dust and is required to be cleaned.
And step S808, planning a cleaning operation mode and a route.
When the determination result of the determination module 72 provided in the monitoring center 20 indicates that the location of the monitoring terminal unit 10 needs to be cleaned, the planning module 73 provided in the monitoring center 20 plans the cleaning operation mode and the cleaning operation route according to the GPS location information of the monitoring terminal unit 10 and the actual situations of the cleaning vehicle and the cleaning worker.
Step S809, a job request is issued to the scheduling center.
The planning module 73 provided in the monitoring center 20 issues a cleaning job request to the scheduling center 30 according to the planning result.
And step S810, dispatching vehicles or workers to carry out operation, and monitoring quality.
The dispatching center 30 dispatches the cleaning vehicles and/or the cleaning workers to complete the cleaning work in time and supervises the quality of the cleaning work.
Step S811, reporting that the monitoring terminal is abnormal.
When the pre-judgment module 81 provided in the monitoring center 20 judges that the received data transmitted by the monitoring terminal unit 10 is abnormal, the monitoring terminal abnormality is reported by the pre-judgment module 81 provided in the monitoring center 20, and the monitoring terminal unit ID is reported at the same time.
And step S812, dispatching people to diagnose and recover the monitoring terminal.
The report on the abnormality of the monitoring terminal unit 10 from the pre-determination module 81 is processed by the monitoring center 20, a technician is dispatched to diagnose the cause, such as the shortage of the remaining power, and the monitoring terminal unit 10 is restored to the normal state in time.
According to the distributed road raise dust monitoring system provided by the embodiment II of the invention, when the monitoring center runs, firstly, the pre-judging module pre-judges whether the received data sent by the monitoring terminal unit is normal or not, so that the abnormity of the monitoring terminal unit can be found in time, the error caused by the monitoring terminal unit is effectively controlled, and the accuracy of the system is improved; secondly, the judgment module compares the dust concentration with a preset threshold value and judges whether cleaning operation is needed or not; thirdly, the display and analysis module displays the dust concentration value on the display screen based on the electronic map, the dust concentration value can be displayed according to the GPS position information of the monitoring terminal units, the viewing is convenient, the dust concentration data can be updated in real time, the display and analysis module further analyzes whether the judgment results of the two adjacent monitoring terminal units are both required to be cleaned, if yes, the road section between the two adjacent monitoring terminal units is highlighted in color on the display screen based on the electronic map, and the cleaning mode and the route can be conveniently planned; and finally, planning a cleaning operation mode by a planning module and sending an operation request to a dispatching center. The distributed road raise dust monitoring system provided by the embodiment of the invention has accurate monitoring data and higher efficiency when finishing the large-scale urban road raise dust monitoring task.
In order to actively respond to and participate in handling an emergency raise dust event and to perform a cleaning work in a targeted manner, for example, a building site raise dust runaway event or a smoke diffusion event caused by a building fire, a third embodiment of the invention provides a distributed road raise dust monitoring system, and in the third embodiment, on the basis of the second embodiment, a preset monitoring period stored in the monitoring terminal unit 10 is further set to include a daily monitoring period and an emergency monitoring period, and is used for distinguishing the frequency of the monitoring terminal unit 10 monitoring raise dust concentration during a daily monitoring task and during an emergency monitoring task. It can be understood that the emergency monitoring period is set to be smaller than the daily monitoring period, for example, the daily monitoring period is set to 1h, and the emergency monitoring period is set to 5min, so when the monitoring terminal unit 10 performs the daily monitoring task, the monitoring terminal unit 10 performs dust concentration monitoring at intervals of every 1h, and when the monitoring terminal unit 10 performs the emergency monitoring task, the monitoring terminal unit 10 performs dust concentration monitoring at intervals of every 5 min.
In the third embodiment of the present invention, the preset threshold of the dust concentration set by the monitoring center 20 includes a lower threshold a1 and an upper threshold a2, where a1 is greater than 0 and a2 is greater than 0. When the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is less than a1, it indicates that the road section where the monitoring terminal unit 10 is located does not need to be cleaned, and the monitoring center 20 does not send out an operation request; when the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is greater than or equal to a1 and less than a2, it indicates that the road section where the monitoring terminal unit 10 is located needs to be cleaned daily, and the monitoring center 20 sends out a daily cleaning operation request; when the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is greater than or equal to a2, it indicates that the road section where the monitoring terminal unit 10 is located needs to be subjected to emergency cleaning operation, the monitoring center 20 sends out an emergency cleaning operation request, meanwhile, the monitoring center 20 sends out an emergency monitoring task to the monitoring terminal unit 10, and the monitoring terminal unit 10 carries out dust concentration monitoring according to the emergency monitoring period.
Alternatively, the actual values of the preset thresholds a1, a2 may be set according to local climate characteristics and environmental quality requirements, for example,specifically, the lower threshold is 0.2mg/m set by the environmental sanitation department of City B3The upper limit of the threshold is 2mg/m set by the environmental health management department of city B3(ii) a When the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is less than 0.2mg/m3In the meantime, it means that the road section where the monitoring terminal unit 10 is located does not need to be cleaned, and the monitoring center 20 does not issue a work request; when the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is more than or equal to 0.2mg/m3And < 2mg/m3When the monitoring terminal unit is located in the road section, daily cleaning operation is required, and the monitoring center 20 sends out a daily cleaning operation request; when the dust concentration monitored by the monitoring terminal unit 10 according to the daily monitoring period is more than or equal to 2mg/m3In the meantime, it indicates that the road section where the monitoring terminal unit 10 is located needs to be subjected to emergency cleaning operation, the monitoring center 20 sends an emergency cleaning operation request, meanwhile, the monitoring center 20 sends an emergency monitoring task to the monitoring terminal unit 10, and the monitoring terminal unit 10 carries out raise dust concentration monitoring according to an emergency monitoring period.
In the third embodiment, other descriptions can refer to the descriptions in the second embodiment, and are not repeated herein.
Fig. 9 is a schematic flow chart of a working method of a third embodiment of the distributed road raise dust monitoring system provided by the present invention. As shown in fig. 9, the method includes the steps of:
step S901, determining whether an emergency monitoring task is received.
Before the monitoring terminal unit 10 starts to monitor the dust concentration, it is determined in advance whether an emergency monitoring task sent by the monitoring center 20 is received, and if the emergency monitoring task is not received, daily monitoring is performed, that is, step S902 is performed; if the emergency monitoring task is received, the emergency monitoring is performed, i.e., step S916 is performed.
And S902, monitoring the road dust concentration according to a daily monitoring period.
When performing daily monitoring, the dust sensor 11 provided at the monitoring terminal unit 10 is controlled by a clock controller provided at the monitoring terminal unit 10 to monitor the road dust concentration in a daily monitoring period, for example, 2 h.
And step S903, sending the daily monitoring data to a monitoring center.
When performing daily monitoring, the first wireless communication module 13 provided in the monitoring terminal unit 10 sends daily monitoring dust concentration data, monitoring terminal unit GPS position information data, and monitoring terminal unit ID data to the monitoring center 20.
Step S904, receiving the daily monitoring data sent by the monitoring terminal unit.
When performing daily monitoring, the daily monitoring raise dust concentration data, the GPS position information data of the monitoring terminal unit 10, and the ID data of the monitoring terminal unit 10 are received by the second wireless communication module 71 provided at the monitoring center 20.
Step S905, determining whether the received daily monitoring data is normal.
When performing daily monitoring, the pre-determination module 81 provided in the monitoring center 20 pre-determines whether the received daily monitoring data sent by the monitoring terminal unit 10 is normal, and if so, performs step S906; if not, step S913 is performed.
And step S906, comparing the daily monitored dust concentration with the lower limit of the threshold value and judging whether the cleaning operation is needed.
When performing daily monitoring, the judgment module 72 provided in the monitoring center 20 compares the daily monitoring dust concentration data of the position where the monitoring terminal unit 10 is received by the second wireless communication module 71 with the size of the lower threshold limit, for example, the lower threshold limit is 0.2mg/m3(ii) a The dust concentration is monitored to be more than or equal to 0.2mg/m daily3If so, then step S907 is executed; when the dust concentration is less than 0.2mg/m3This indicates that the position of the monitor terminal unit 10 does not require cleaning.
And step S907, further comparing the daily monitored raise dust concentration with the upper limit of the threshold value, and judging that daily or emergency cleaning operation is required.
When performing daily monitoring, the determination module 72 provided in the monitoring center 20 further compares the monitoring terminal units 10 received by the second wireless communication module 71Daily monitoring of dust concentration data at a location and the magnitude of an upper threshold, e.g. an upper threshold of 2mg/m3(ii) a When the concentration of the dust is more than or equal to 2mg/m3If so, it indicates that the location of the monitoring terminal unit 10 is seriously polluted by dust and needs to perform an emergency cleaning operation, and at this time, step S915 and step S921 are performed simultaneously; when the dust concentration is more than 0.2mg/m3And < 2mg/m3It is indicated that the monitoring terminal unit 10 is generally contaminated by dust, and a daily cleaning operation is required.
And step S908, displaying the daily monitored raise dust concentration value in real time.
When the daily monitoring is performed and the determining module 72 disposed in the monitoring center 20 determines that the daily cleaning operation is required, the display and analysis module 82 disposed in the monitoring center 20 combines the GPS position information of the monitoring terminal units 10 to display the daily dust concentration value of the position of each monitoring terminal unit 10 on the display screen based on the electronic map in real time.
In step S909, the section requiring the daily cleaning work is analyzed and highlighted.
When the daily monitoring is performed and the determination module 72 arranged in the monitoring center 20 determines that the daily cleaning operation is required, the display and analysis module 82 arranged in the monitoring center 20 analyzes whether the determination results of the daily monitoring dust concentration at the positions of the two adjacent monitoring terminal units 10 are both required to be cleaned, and if yes, the road section between the two adjacent monitoring terminal units 10 is highlighted in yellow on the display screen based on the electronic map.
Step S910, planning the daily cleaning operation mode and route.
When the daily monitoring is performed and the judgment module 72 provided in the monitoring center 20 judges that the daily cleaning work is required, the planning module 73 provided in the monitoring center 20 plans the daily cleaning work mode and the daily cleaning work route based on the GPS position information of the monitoring terminal unit 10 and the actual situations of the cleaning vehicle and the cleaner.
And step S911, sending a daily operation request to the dispatching center.
When the daily monitoring is performed and the determination module 72 provided in the monitoring center 20 determines that the daily cleaning work is necessary, the planning module 73 provided in the monitoring center 20 issues a request for the daily cleaning work to the scheduling center 30 according to the planning result.
Step S912, dispatching vehicles or workers to perform work, and monitoring quality.
The dispatching center 30 dispatches the cleaning vehicles and/or the cleaning workers to complete the cleaning work in time and supervises the quality of the cleaning work.
Step S913, reporting that the monitoring terminal is abnormal.
When the pre-judgment module 81 provided in the monitoring center 20 judges that the received data transmitted by the monitoring terminal unit 10 is abnormal, the monitoring terminal abnormality is reported by the pre-judgment module 81 provided in the monitoring center 20, and the monitoring terminal unit ID is reported at the same time.
Step S914, dispatching people to diagnose and recover the monitoring terminal.
The report on the abnormality of the monitoring terminal unit 10 from the pre-determination module 81 is processed by the monitoring center 20, a technician is dispatched to diagnose the cause, such as the shortage of the remaining power, and the monitoring terminal unit 10 is restored to the normal state in time.
And step S915, sending out an emergency monitoring task.
When the judging module 72 arranged in the monitoring center 20 judges that the emergency cleaning operation is required, the second wireless communication module 71 arranged in the monitoring center 20 sends an emergency monitoring task to the monitoring terminal unit 10 at which the dust concentration exceeds the upper limit of the threshold value.
And S916, monitoring the road dust concentration according to the emergency monitoring period.
When the emergency monitoring is performed, the dust sensor 11 provided at the monitoring terminal unit 10 is controlled by a clock controller provided at the monitoring terminal unit 10 to monitor the road dust concentration according to an emergency monitoring period, for example, the emergency monitoring period is 5 min.
And step S917, sending the emergency monitoring data to a monitoring center.
When performing emergency monitoring, the first wireless communication module 13 disposed in the monitoring terminal unit 10 sends the emergency monitoring dust concentration data, the monitoring terminal unit GPS position information data, and the monitoring terminal unit ID data to the monitoring center 20.
Step S918, receiving the emergency monitoring data sent by the monitoring terminal unit.
When the emergency monitoring is performed, the emergency monitoring raise dust concentration data, the GPS position information data of the monitoring terminal unit 10, and the ID data of the monitoring terminal unit 10 are received by the second wireless communication module 71 provided at the monitoring center 20.
Step S919, determining whether the received emergency monitoring data is normal.
When performing emergency monitoring, the pre-determination module 81 disposed in the monitoring center 20 pre-determines whether the received emergency monitoring data sent by the monitoring terminal unit 10 is normal, and if so, performs step S920; if not, step S913 is performed.
And step S920, comparing the concentration of the emergency monitoring flying dust with the upper limit of the threshold value and judging whether emergency cleaning operation is needed.
When performing emergency monitoring, the determination module 72 provided in the monitoring center 20 compares the emergency monitoring dust concentration data of the position where the monitoring terminal unit 10 is received by the second wireless communication module 71 with the magnitude of the upper threshold limit, for example, the upper threshold limit is 2mg/m3(ii) a When the concentration of the dust is monitored to be more than or equal to 2mg/m in emergency3In time, it means that the position of the monitoring terminal unit 10 is seriously polluted by dust, and an emergency cleaning operation is required; when the dust concentration is less than 2mg/m3In the meantime, it indicates that the dust concentration at the position of the monitoring terminal unit 10 has been effectively controlled, and there is no need to perform emergency cleaning operation, and at this time, the emergency monitoring task is finished, and the monitoring terminal unit 10 is restored to the daily monitoring state.
And step S921, displaying the concentration value of the emergency monitoring raise dust in real time.
When the emergency monitoring is executed and the judging module 72 arranged in the monitoring center 20 judges that the emergency cleaning operation is required, the display and analysis module 82 arranged in the monitoring center 20 is used for displaying the concentration value of the emergency monitoring dust at the position of each monitoring terminal unit 10 on a display screen based on an electronic map in real time by combining the GPS position information of the monitoring terminal unit 10; and the value of the dust concentration exceeding the upper threshold is highlighted in red.
And step S922, analyzing and highlighting the road section needing emergency cleaning operation.
When the emergency monitoring is performed and the determination module 72 arranged in the monitoring center 20 determines that the emergency cleaning operation is required, the display and analysis module 82 arranged in the monitoring center 20 analyzes whether the determination results of the concentrations of the emergency monitoring dust at the positions of the two adjacent monitoring terminal units 10 are both required to be cleaned, and if yes, the road section between the two adjacent monitoring terminal units 10 is highlighted in red on the display screen based on the electronic map.
And step S923, planning an emergency cleaning operation mode and a route.
When the emergency monitoring is performed and the determination module 72 provided in the monitoring center 20 determines that the emergency cleaning operation is required, the planning module 73 provided in the monitoring center 20 plans the emergency cleaning operation mode and the emergency cleaning operation route according to the GPS position information of the monitoring terminal unit 10 and the actual situations of the cleaning vehicle and the cleaning worker, for strengthening the cleaning of the heavily polluted road section.
Step S924, sends an emergency job request to the dispatching center.
When the emergency monitoring is performed and the determination module 72 provided in the monitoring center 20 determines that the emergency cleaning work is required, the planning module 73 provided in the monitoring center 20 sends an emergency cleaning work request to the scheduling center 30 according to the planning result, and the step S912 is continuously performed.
Optionally, according to the distributed road raise dust monitoring system provided by the present invention, the monitoring center may further receive a raise dust event processing task issued by an upper-level department, and then execute step S915. Specifically, when the monitoring center receives a raise dust event processing task, an emergency monitoring task is issued to all monitoring terminal units within the task range through the second wireless communication module, and the corresponding monitoring terminal units start to perform emergency monitoring.
The distributed road raise dust monitoring system provided by the embodiment of the invention can automatically monitor the road raise dust and judge whether cleaning is needed or not according to the monitoring result, has the advantages of reasonable layout, strong real-time performance, cost saving and high working efficiency, and has positive effect and significance on urban environment protection. In addition, the monitoring terminal unit in the distributed road raise dust monitoring system provided by the invention collects energy in the environment through the friction generator and the solar cell for power supply, and an external power supply is not required, so that the system is energy-saving and environment-friendly.
The various modules and circuits mentioned in the present invention are all circuits implemented by hardware, and although some of the modules and circuits integrate software, the present invention protects hardware circuits integrating the corresponding functions of the software, not just the software itself.
It will be appreciated by those skilled in the art that the arrangement of devices shown in the figures or embodiments is merely schematic and representative of a logical arrangement. Where modules shown as separate components may or may not be physically separate, components shown as modules may or may not be physical modules.
Finally, it is noted that: the above-mentioned embodiments are only examples of the present invention, and it is a matter of course that those skilled in the art can make modifications and variations to the present invention, and it is considered that the present invention is protected by the modifications and variations if they are within the scope of the claims of the present invention and their equivalents.

Claims (16)

1. A distributed road raise dust monitoring system is characterized by comprising at least one monitoring terminal unit, a monitoring center and a dispatching center; wherein the content of the first and second substances,
the at least one monitoring terminal unit is used for monitoring the concentration of the road raised dust according to a preset monitoring period;
the monitoring center is connected with the at least one monitoring terminal unit and is used for analyzing the data sent by the monitoring terminal unit and planning an operation mode according to an analysis result;
the dispatching center is connected with the monitoring center and used for completing cleaning operation according to the operation mode planned by the monitoring center.
2. The distributed road fugitive dust monitoring system of claim 1, wherein the at least one monitoring terminal unit comprises a fugitive dust sensor, a processor, a first wireless communication module and a power module; wherein the content of the first and second substances,
the processor comprises a clock controller and a memory, and the clock controller is connected with the dust sensor and is used for controlling the dust sensor to monitor the concentration of the road dust; the memory is used for storing the GPS position information of the monitoring terminal unit and a preset monitoring period;
the first wireless communication module is connected with the processor and used for sending the dust concentration and the GPS position information of the monitoring terminal unit to the monitoring center.
3. The distributed road raise dust monitoring system according to claim 2, wherein the number of the monitoring terminal units is multiple, the multiple monitoring terminal units are arranged along a road, and the distance between adjacent monitoring terminal units is 1-2 km.
4. The distributed road raise dust monitoring system according to claim 1, wherein the monitoring center comprises a second wireless communication module, a judgment module and a planning module;
the second wireless communication module is used for receiving the data sent by the monitoring terminal unit;
the judging module is used for comparing the dust concentration with a preset threshold value and judging whether cleaning operation is needed or not; and
and the planning module is used for planning a cleaning operation mode according to the judgment result of the judgment module and the GPS position information of the monitoring terminal unit and sending an operation request to the dispatching center.
5. A distributed road fugitive dust monitoring system according to claim 4, wherein the preset threshold is a, where a > 0;
when the dust concentration monitored by the monitoring terminal unit is more than or equal to a, the position of the monitoring terminal unit is indicated to need cleaning operation, and the monitoring center sends an operation request;
when the dust concentration monitored by the monitoring terminal unit is less than a, the monitoring terminal unit is located at a position where cleaning operation is not needed, and the monitoring center does not send out an operation request.
6. A distributed road fugitive dust monitoring system according to claim 4, wherein the preset monitoring period comprises a daily monitoring period and an emergency monitoring period.
7. A distributed road dusting monitoring system according to claim 6 wherein the preset thresholds include a lower threshold a1 and an upper threshold a2, where 0 < a1 < a 2;
when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is less than a1, the monitoring terminal unit is located at a position where cleaning operation is not needed, and the monitoring center does not send an operation request;
when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is more than or equal to a1 and less than a2, the monitoring terminal unit indicates that the position of the monitoring terminal unit needs to be subjected to daily cleaning operation, and the monitoring center sends a request of the daily cleaning operation;
when the dust concentration monitored by the monitoring terminal unit according to the daily monitoring period is more than or equal to a2, the situation that the position of the monitoring terminal unit needs to be subjected to emergency cleaning operation is indicated, the monitoring center sends an emergency cleaning operation request, meanwhile, the monitoring center sends an emergency monitoring task to the monitoring terminal unit, and the monitoring terminal unit carries out dust concentration monitoring according to the emergency monitoring period.
8. A distributed road fugitive dust monitoring system according to any one of claims 4 to 7, wherein the monitoring center further comprises:
the pre-judging module is used for pre-judging whether the received data sent by the monitoring terminal unit is normal or not, and if the data is normal, outputting the data to the judging module;
the display and analysis module is connected with the judgment module and comprises a display screen based on an electronic map, and when the judgment module judges that cleaning operation is needed, the display screen based on the electronic map is combined with the GPS position information of the monitoring terminal unit to display the dust concentration value in real time.
9. The distributed road raise dust monitoring system according to claim 8, wherein the display and analysis module is further configured to analyze whether the determination results of two adjacent monitoring terminal units are both required to be cleaned, and if so, the road section between the two adjacent monitoring terminal units is displayed as a color highlight on the electronic map-based display screen.
10. A distributed road fugitive dust monitoring system according to any one of claims 2 to 7, wherein the power module comprises a power generation unit and an energy storage unit; wherein the content of the first and second substances,
the power generation unit comprises a friction power generation component and/or a solar power generation component;
the energy storage unit includes energy storage component and AC/DC converter, the first end of energy storage unit with the electricity generation unit is connected for the electric energy that produces the electricity generation unit is stored, the second end of energy storage unit with sensor, treater and wireless communication module connect, are used for doing sensor, treater and wireless communication module provide the electric energy.
11. A distributed road dusting monitoring system according to claim 10 wherein the friction power generation component is a closed vibration generator based friction generator for collecting vibration energy in the environment and converting it into electrical energy; or the friction power generation component is a closed wind power generator based on a friction power generator and is used for collecting wind energy in the environment and converting the wind energy into electric energy.
12. A distributed road dusting monitoring system according to claim 11 wherein the closed friction generator based vibration generator comprises:
a protective cover having a chamber therein;
a cantilever beam positioned in the chamber, wherein a first end of the cantilever beam is fixedly connected with the inner wall of the protective cover, and a second end of the cantilever beam is constructed to reciprocate under the action of external force;
the friction power generation components are arranged in the protective cover, each friction power generation component comprises a first friction power generation part and a second friction power generation part, the first friction power generation part is fixedly connected with the second end of the cantilever beam, the second friction power generation part is arranged on the inner wall of the protective cover in an insulating mode, and the surfaces of the first friction power generation part and the second friction power generation part correspond to each other;
under the action of external force, the second end of the cantilever beam drives the first friction power generation part to reciprocate, so that the surfaces of the first friction power generation part and the second friction power generation part, which correspond to each other, are contacted and separated to generate electric charges.
13. A distributed road dusting monitoring system according to claim 11 wherein the enclosed friction generator based wind generator comprises at least one friction generating component, a housing containing the at least one friction generating component, a rotating shaft, at least one cam and fan blades; wherein the content of the first and second substances,
the at least one friction power generation assembly is fixedly arranged on the inner wall of the shell;
one part of the rotating shaft is positioned outside the shell, and the other part of the rotating shaft extends into the shell;
the at least one cam is fixedly arranged on the rotating shaft positioned in the shell; the fan blades are fixedly arranged at the end part of the rotating shaft positioned outside the shell.
14. The distributed road fugitive dust monitoring system of claim 11, wherein the friction generator based closed wind generator comprises a diaphragm enclosing a closed cavity and a fixed diaphragm inside the closed cavity; under the action of an external force, the vibrating diaphragm and the fixed diaphragm are in contact friction to form a friction interface; a first electrode layer and a second electrode layer are formed on the outer side surface of the diaphragm, and the first electrode layer and the second electrode layer are not in contact with each other; the first electrode layer and/or the second electrode layer are/is an electric signal output end.
15. A distributed road fugitive dust monitoring system according to any one of claims 10 to 14, wherein the solar power generation component is a thin film solar cell selected from any one of a GaAs thin film solar cell, a CIS thin film solar cell or a CdTe thin film solar cell.
16. A distributed road fugitive dust monitoring system according to any one of claims 10 to 14, wherein the energy storage unit further comprises an external power port for receiving an external power supply.
CN201910644634.3A 2019-07-17 2019-07-17 Distributed road raise dust monitoring system Pending CN112242050A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114429315A (en) * 2022-04-06 2022-05-03 成都秦川物联网科技股份有限公司 Smart city dust pollution management method and Internet of things system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114429315A (en) * 2022-04-06 2022-05-03 成都秦川物联网科技股份有限公司 Smart city dust pollution management method and Internet of things system
CN114429315B (en) * 2022-04-06 2022-06-21 成都秦川物联网科技股份有限公司 Smart city dust pollution management method and Internet of things system
US11874261B2 (en) 2022-04-06 2024-01-16 Chengdu Qinchuan Iot Technology Co., Ltd. Method and internet of things (IoT) system for managing dust pollution in smart city

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