CN106097731A - Traffic flow detector based on WIFI signal and detecting system - Google Patents

Traffic flow detector based on WIFI signal and detecting system Download PDF

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Publication number
CN106097731A
CN106097731A CN201610673262.3A CN201610673262A CN106097731A CN 106097731 A CN106097731 A CN 106097731A CN 201610673262 A CN201610673262 A CN 201610673262A CN 106097731 A CN106097731 A CN 106097731A
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CN
China
Prior art keywords
detector
data
signal
traffic flow
module
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CN201610673262.3A
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Chinese (zh)
Inventor
寿光明
丁璠
陈晓轩
孔德华
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寿光明
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Priority to CN201610673262.3A priority Critical patent/CN106097731A/en
Publication of CN106097731A publication Critical patent/CN106097731A/en

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06Polyamides derived from polyamines and polycarboxylic acids
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/065Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of traffic flow detector based on WIFI signal and detecting system, detecting system includes the storage of traffic flow detector, data and analysis system and communication network;Traffic flow detector includes that signal transmitting and receiving module, signal transmission module and supply module, signal transmitting and receiving module are used for sending WIFI broadcast, sends signal to around triggering mobile device;And for receiving the data that mobile device sends, these data include the identification code of mobile device;Signal transmission module for being sent to data storage and analysis system by the data received;Data storage and analysis system are used for storing data and calculating traffic flow according to data;Communication network is for the data transmission between each traffic flow detector and data storage and analysis system.Without solar obligation positioning software or positioner, use cost is low;Equipment ruggedness is strong, easy for installation, intensive can be arranged in each section;This detector low in energy consumption, energy resource consumption is little, environmental protection.

Description

Traffic flow detector based on WIFI signal and detecting system
Technical field
The present invention relates to traffic flow detection technique, a kind of detector in the environment such as highway and inspection Examining system.
Background technology
Traffic flow data is the important information source of traffic operation dispatching and command system, can be command scheduling, traffic flow Control and traffic guidance provides decision-making foundation.Existing Traffic flow detecting technology has multiple, can be divided into contact according to mounting means Formula detection mode and non-contact detection mode.Wherein contact measurement technology includes the detection of piezoelectricity, manometer tube and loop coil Detection.The major defect of this technology is, road is rolled and causes service life of detector shorter by vehicle, is laying detection During device, needing to suspend traffic, destroy road surface, therefore install and go along with sb. to guard him more difficulty, use cost is high.Non-contact detection technology master Ripple to be frequency detection and video detection.Ripple frequency detection is divided into microwave, ultrasound wave and infrared etc. three kinds.Non-contact detection device can lead to Crossing support to install, easy to maintenance, service life is long, its major defect is easily to be affected by weather and outdoor conditions, there is environment suitable The problems such as answering property is strong, volume of transmitted data big, Detection accuracy is the highest and cost is higher.
Along with developing rapidly of China's highway network, freeway traffic flow detection application demand increases severely.At highway network In, traffic flow information is equally important, and by flow information, highway network administration section can understand the reality in each section in real time Time vehicle fleet size information, it is provided that road network vehicle load amount intuitively, provide accurate data for the scheduling of road network and integrated planning.
But, highway network exist the situation that some are special, such as highway power inconvenience, information transmission difficulty, with And process of construction fails lay all kinds of detectors etc. in advance, it is impossible to accomplish concentrated type monitoring and management, need existing detection Device is further designed and is improved.
Summary of the invention
It is an object of the invention to, it is provided that a kind of traffic flow detector based on WIFI signal, to solve prior art The problems referred to above existed.Simultaneously, it is further provided a kind of traffic flow detection system based on WIFI signal.
The core content of the present invention is, a kind of traffic flow detector based on WIFI signal, including:
Signal transmitting and receiving module, is used for sending WIFI broadcast, sends signal to around triggering mobile device;And be used for receiving shifting The data that dynamic equipment sends;
Signal transmission module, for being sent to data storage and analysis system by the connection signal received;
Supply module, including solaode and the accumulator that is connected with solaode, described supply module and signal transmitting and receiving Module and signal transmission module electrical connection.
In a further embodiment, described signal transmitting and receiving module is provided with data and processes submodule, and these data process Submodule is for arranging according to predetermined format the identification information of mobile device, detector numbering and record time and store In memorizer.
In a further embodiment, this detector is provided with external power supply interface, USB data transmission interface, and transmission line/ Optical fiber interface, and short-wave signal transport module.
In a further embodiment, also include that detector bracket, described detector bracket include detector installation portion, use In detector installation portion being fixed on the fixing bolt in precalculated position, and solar battery bracket;Described solaode props up Frame includes the first support and the second support of the first support socket, and is rotationally connected with the solar energy of the second bracket end Battery installation section;The surface configuration of described detector installation portion has high-strength anti-scratch weatherable materials, in terms of parts by weight, described high-strength The component of anti-scratch weatherable materials is: meltflow ability is polybutene 30-50, the PA66 25-40 of 30-50g/min, ABS resin 15- 25, amide waxe 5-10, pp grafted maleic anhydride 5-10, sodium bentonite 5-10, the chain extender 3-5 containing epoxy-reactive group, Wollastonite 5-15, UV944 3-5, KH550 5-10, silicon system capsule material coated ammonium polyphosphate capsule 10-15, rare earth 0.5-3.5.
A kind of traffic flow detection system based on WIFI signal, including:
Traffic flow detector based on WIFI signal, including signal transmitting and receiving module, signal transmission module and supply module, described Signal transmitting and receiving module is used for sending WIFI broadcast, sends signal to around triggering mobile device;And be used for receiving mobile setting The data that preparation is sent, these data include the identification code of mobile device;Described signal transmission module is for sending out the data received Deliver to data storage and analysis system;
Data storage and the system of analysis, be used for storing data and calculating traffic flow according to described data;
Communication network, for the data transmission between each traffic flow detector and data storage and analysis system.
In a further embodiment, described signal transmitting and receiving module includes that data process submodule, and these data process submodule Block is for carrying out arranging and being stored in by the identification information of mobile device, detector numbering and record time according to predetermined format In reservoir.
In a further embodiment, described detector numbering corresponding with specific positional information, described data store and Analysis system, according to equipment identification information, detector numbering and record time, calculates the position of mobile device, moving direction and shifting Dynamic speed.
In a further embodiment, described supply module includes solar powered module and connects with solar powered module The outer housing accumulator connect, described solar powered module include inverter that solar panel is connected with solar panel, Internal battery and charge controller;Described detector is provided with external power supply interface, USB data transmission interface, transmission line/light Fine interface, and short-wave signal transport module.
In a further embodiment, also include that detector bracket, described detector bracket include detector installation portion, use In detector installation portion being fixed on the fixing bolt in precalculated position, and solar battery bracket;Described solaode props up Frame includes the first support and the second support of the first support socket, and is rotationally connected with the solar energy of the second bracket end Battery installation section;The surface configuration of described detector installation portion has high-strength anti-scratch weatherable materials, in terms of parts by weight, described high-strength The component of anti-scratch weatherable materials is: meltflow ability is polybutene 30-50, the PA66 25-40 of 30-50g/min, ABS resin 15- 25, amide waxe 5-10, pp grafted maleic anhydride 5-10, sodium bentonite 5-10, the chain extender 3-5 containing epoxy-reactive group, Wollastonite 5-15, UV944 3-5, KH550 5-10, silicon system capsule material coated ammonium polyphosphate capsule 10-15, rare earth 0.5-3.5.
In a further embodiment, if certain plural mobile device is predetermined quantity in default time difference Detector detects, then data storage and the system of analysis are as same mobile device, recalculate traffic flow.
Operation principle and the advantage of the present invention be: the present invention is without installing movable signal detector mould on the mobile apparatus Block, without solar obligation positioning software or positioner, popularization low cost, resistance are little;Meanwhile, equipment ruggedness is strong, peace Dress is convenient, intensive can be arranged in each section;Again, this detector low in energy consumption, energy resource consumption is little, environmental protection;It addition, it is logical The mode crossing solaode is powered, and solves the difficult problem that highway is powered;Preferably, the work process of this detector is to catch Movable signal, and record the identification information of mobile device, detection time and detector numbering, it is not necessary to carry out at the data that replicate Reason, operational feasibility is higher.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of detector of the present invention.
Fig. 2 is the structured flowchart of detecting system of the present invention.
Fig. 3 is the structural representation of detector bracket of the present invention.
Detailed description of the invention
In conjunction with Fig. 1 and Fig. 2, technical scheme and technological thought are described.As it is shown in figure 1, in preferred embodiment In, the detector of the present invention mainly includes solar powered module, signal transmitting and receiving module, lithium battery, temporary storage module and short Ripple signal transmission module.The most solar powered module includes solar panel, charge controller, inverter and built-in electric power storage Pond;Solar powered module is connected with lithium battery, and lithium battery is signal transmitting and receiving module for power supply, signal transmitting and receiving module and interim storage Module connects.Signal transmitting and receiving module includes wireless signal sending module, reception of wireless signals module, data processing module and timing Device.This detector is provided with external power supply interface, USB data transmission interface, transmission line/intelligent acess mouth.In this detector, Signal transmitting and receiving module is corn module, is mainly used in launching signal to around, i.e. broadcasts, and reception has WIFI The connection data that the mobile device of function sends, i.e. obtain the identification information of mobile device, such as mac address or other marks Information.Detector above-mentioned data are sent to data storage and analysis center, data store and analysis center carry out storage and Process.Or, by data processing module, the certain equipment identification information detected, the coding of detector and time are sent To data storage and the system of analysis.
Solar powered module, lithium battery and temporary storage module are supplemental functionality, in subregion, can pass through Solar panel on the power supply of external power supply, such as street lamp or street lamp is that detector is powered.In view of telling identitypath Net overlay area is wide, circuit distribution is the most sparse relative to city, by wired power supply mode such as electrical network and high-tension bus-bar, exists The problems such as lower deployment cost is high, supply network is complicated, so the problem that all the time there is power supply difficulty.In order to realize detector Concentrated type is disposed, the problem that need to first solve power supply.To this end, using the detector of low-power consumption and suitably power supply mode is very Important.To this end, applicant gathers the identification information of mobile device by WIFI signal, it is not necessary to carry out large-scale data acquisition Collecting, identify, process and transmit, therefore power consumption is the lowest, can solve the problem that detector by the way of solar powered and lithium battery Powerup issue.
Under highway environment, the problem that always there is information transmission difficulty, traditional video stream data is due to its unit The data volume produced in time is the hugest, it is impossible to effectively transmit.And in the present invention, by shifting based on WIFI signal The information that dynamic signal detector is recorded only includes the information such as detector numbering, detection time, mobile phone logo, single information Measure little, less temporary memory can be used to store.Simultaneously take account of data validity and ageing, can adjust as required Joint faces deposits the frequency that middle data send in networking substation, and after having sent packet, empties memorizer every time.
Knowable to above-mentioned discussion, the detector of the present invention at least has the advantage that 1. saving system installation costs: each Detector production cost is relatively low, and installation process is convenient.2. energy-conserving and environment-protective, detector uses solar powered mode, and itself Work can consume low.3. manufacturing technique requirent is relatively low: this detector has a style of one's own to storage from energy supply to signals collecting.4. it is mounted to This is low: this detector is mountable to any side, expressway, and small volume does not hinder pilot's line of vision, does not attract driver to note Meaning.And this installation supports as equipment without setting up large-scale extra door frame etc., therefore integral installation process does not hinder height Speed traffic properly functioning.5. data transportation requirements is low: this equipment main information transmission means uses radio communication, it is not necessary to extra Lay optical cable.This equipment single data volume after optimizing is less, and it is convenient to transmit, and is not take up ample resources.6. the scope of application Extensively, mass data source inlet: cheap lower deployment cost and strong adaptive capacity to environment make it can be widely deployed in various traffic In environment such as high speed ring road gateway, high speed backbone road, service area gateway, even urban road environment.This equipment gathers Mass data, can be traffic analysis, traffic programme, and traffic operation and management provides strong data supporting.
From the above it can be seen that the present invention actively sends information by WiFi detector, induction movable equipment is by identification information etc. Content is sent to detector, thus collects flow or the mobile route of certain specific mobile device of mobile device on section, Thus traffic flow is estimated and predicts.And in existing various technology, WiFi equipment is used as transmission data, Ji Jiangjiao Through-flow information uploads in system, not for the information collecting mobile device.
Further providing a kind of system using above-mentioned detector, this detecting system includes detector, at background analysis Reason center (data storage and the system of analysis) and communication network.The structure of detector as described above, is not described in detail in this, detection The identification information of the mobile device near its position of main collection of device, issues data storage according to predetermined format after it being processed And analysis center, or the most treated, it is transmitted directly to data storage and analysis system, the system of analysis to its arrangement and divides Analysis.The major function of data storage and the system of analysis is to receive each detector to send the information of coming, including the mark of mobile device The numbering of information, detector self and record time.Data are entered by information in predetermined patterns that beam back according to each detector Row arranges and analyzes, and calculates traffic flow.Detector passes through communication network, i.e. networking subsystem periodically sends the data to Data storage and the system of analysis, after having sent packet, empty memorizer every time.In some cases, can be by wired The mode such as (coaxial line, optical fiber) or wireless (3G, 4G) sends data stream to networking subsystem, and data are carried out by networking subsystem Data are also classified and storage, and nothing is passed through in timing by unified management according to the numbering of detector, the MAC Address of mobile device Line transmission means sends the data to total system.
In the above-described embodiments, detector numbering is corresponding with specific positional information, the storage of described data and the system of analysis According to equipment identification information, detector numbering and record time, calculate the position of mobile device, moving direction and translational speed.
The sequencing of different detectors is passed through, it is judged that the direction of motion of this vehicle according to same identification information.Such as, exist On the section in north-south, detector 1 is positioned at the south of detector 2, and a certain identification information the 1st minute, the 3rd minute respectively by Detector 1 and detector 2 detect, then illustrate that it is to move to detector 2 from detector 1, and its direction of motion is from south orientation north Motion.
The distance between time and the detector of same identification information, estimation vehicle motion is detected according to different detectors Speed.Such as, the distance between detector is a certain predetermined value, and with the vehicle of certain identification information in the first moment and Two moment were detected by the detector respectively, then according to the distance between detector and the movement time of vehicle, can substantially calculate Go out the movement velocity of vehicle.
Wagon flow data are carried out data cleansing and arrangement by Connection Time based on identification information and position.Such as, according to not The detector being scheduled quantity with identification information in the given time detects, then be classified as same vehicle.Such as, if Identification information 1 to 4 was detected by same detector in two minutes, then illustrate that it is close together, if through 3 detectors Time, the mobile device of above-mentioned identification information was detected by the detector equally in 2 minutes, then illustrate that it may belong to same vehicle On mobile device, be marked as same vehicle.
In a certain embodiment, this storage and analysis system are broadly divided into following subsystem:
Distributed.In the data source that detector stores and transmits containing detector numbering, signal reception time, The information such as device mac address.According to calculating needs, need different types of data to be screened, reads.Therefore system needs to prop up Hold quickly identifying and data retrieval function different pieces of information keyword.
High performance computation system.The transmission of data, classify, retrieve, mutual, analysis etc. is required to powerful processor engine Support.Use high performance parallel computers, can be that analyzing in real time of detection data provides strong support.
Data transmission system.Detection data transmission, big data interaction and excavation, detection algorithm detection report generation etc. all need The data source of storage extracted and analyzed, to need to ensure the high efficiency of transmission of data for this, under current wire transmission mode, Use optical fiber to be transmitted ensure that efficiency of transmission reaches more than 8GB/S, disclosure satisfy that data interaction demand.
Data message analyzes system, and this system is made up of service support subsystem and central processing subsystem.
Service support subsystem is used for providing complex task to process function, including data mapping, optimization process, statistical analysis And evaluation.Four important modules are comprised: the mapping of geographical space, mapping algorithm, statistics calculator and achievement at this subsystem Effect evaluation.
Geographical space maps: in order in later data processes, by data processed result one_to_one corresponding with the most public Section, road, processes early stage in data, needs to position each detector.And obtain by being distributed in the detector of freeway net In the data taken, do not comprise the coordinate information of locus, detector place.In order to make up the loss of learning of this respect, it is being The initial stage is stood in construction in a systematic way, it is necessary to by detector spatial network scattergram, freeway net scattergram loading system, and coordinates data The data collected by different detectors are mapped to freeway net by the detector number information in stream.
Mapping algorithm: mapping algorithm is the core determining the detection of detector, express highway section, traffic flow, maps and calculates The quality of method directly influences the matching degree between three, should be noted that detector distribution of net and high speed in data mapping process The mapping relations of network of highways, the mapping relations of detection data stream and detector and through primary data analysis intermediate object program, Mapping relations between node result and detector.
Statistics calculator: statistics calculator is for uniting to the intermediate object program processed through preliminary data and node result Meter is analyzed, by different application demand, to same detector at the semaphore received by t, received within the Δ t time The semaphore arrived;To different detectors, the time point information etc. that same signal MAC Address occurs carries out statistical analysis, and will The input of this information carries out detection analysis to detector.
Performance review: by detecting the analysis of signal in same detector, the signal in synchronization can be analyzed Throughput i.e. instantaneous signal throughput, by analyzing the signal throughput in Δ t time range, can obtain at this section of time model Enclose interior average signal throughput, changed by the moment that same signal is occurred in different detectors, can be analyzed this The average translational speed of signal.In conjunction with above several dot informations, can be to node flow information, node congestion is tentatively divided Analysis, exports this section of congestion form.
Knowable to above-described embodiment, with prior art to specific road section, such as traffic intersection or emphasis section are monitored Difference, system-wide section can be monitored by relatively low cost and manage by the present invention, it is thus achieved that the traffic flow information of system-wide section.
In a further embodiment, it is provided that one is preferred embodiment.As shown in Figure 3, it is provided that a kind of detector bracket.Institute State detector bracket include detector installation portion 1, for detector installation portion being fixed on the fixing bolt 2 in precalculated position, with And solar battery bracket;Described solar battery bracket includes the first support 3 and the second support 5 of the first support socket, with And it is rotationally connected with the solaode installation portion 6 of the second bracket end;By regulation between first support and the second support Bolt 4 is fixing to be connected.Solaode 7 is fixed on solaode installation portion.
By regulating the relative position of the first support and the second support, the height of solar panel can be regulated, meanwhile, The rotational angle of solaode installation portion can be regulated, so that it is able to receive that more sunlight.
In a preferred embodiment, the surface configuration of detector installation portion has high-strength anti-scratch weatherable materials, with parts by weight Meter, the component of described high-strength anti-scratch weatherable materials is: meltflow ability is polybutene 30-50, the PA66 25-of 30-50g/min 40, ABS resin 15-25, (gathering) amide waxe 5-10, pp grafted maleic anhydride 5-10, sodium bentonite 5-10, containing epoxy-reactive The chain extender 3-5 of group, wollastonite 5-15, UV944 3-5, KH550 5-10, silicon system capsule material coated ammonium polyphosphate capsule 10- 15, rare earth 0.5-3.5.
Embodiment 1
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 30g/min Butylene 35, PA66 30, ABS resin 20, amide waxe 6, pp grafted maleic anhydride 8, sodium bentonite 5, containing epoxy-reactive group Chain extender 4, wollastonite 8, UV944 4, KH550 6, silicon system capsule material coated ammonium polyphosphate capsule 12, rare earth 1.5.
Hot strength is 50MPa, and impact strength is 8.5KJ/m2, bending strength is 55MPa, and elastic modelling quantity is 2500MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.
Embodiment 2
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 45g/min Butylene 45, PA66 25, ABS resin 22, amide waxe 8, pp grafted maleic anhydride 5, sodium bentonite 7, containing epoxy-reactive group Chain extender 4.5, wollastonite 12, UV944 4.5, KH550 8, silicon system capsule material coated ammonium polyphosphate capsule 14, rare earth 2.5.
Hot strength is 55MPa, and impact strength is 9.5KJ/m2, bending strength is 50MPa, and elastic modelling quantity is 2450MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.
Embodiment 3
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 40g/min Butylene 40, PA66 35, ABS resin 18, amide waxe 5, pp grafted maleic anhydride 7, sodium bentonite 6, containing epoxy-reactive group Chain extender 5, wollastonite 15, UV944 5, KH550 7, silicon system capsule material coated ammonium polyphosphate capsule 15, rare earth 3.5.
Hot strength is 45MPa, and impact strength is 8.0KJ/m2, bending strength is 50MPa, and elastic modelling quantity is 2550MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.
Embodiment 4
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 50g/min Butylene 30, PA66 45, ABS resin 15, amide waxe 7, pp grafted maleic anhydride 6, sodium bentonite 8, containing epoxy-reactive group Chain extender 3, wollastonite 10, UV944 3, KH550 9, silicon system capsule material coated ammonium polyphosphate capsule 10, rare earth 1.0.
Hot strength is 60MPa, and impact strength is 10.5KJ/m2, bending strength 60MPa, elastic modelling quantity is 2600MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.
Embodiment 5
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 30g/min Butylene 50, PA66 40, ABS resin 25, amide waxe 10, pp grafted maleic anhydride 9, sodium bentonite 10, containing epoxy-activated The chain extender 3.5 of group, wollastonite 5, UV944 3.5, KH550 5, silicon system capsule material coated ammonium polyphosphate capsule 11, rare earth 0.5.
Hot strength is 55MPa, and impact strength is 9.5KJ/m2, bending strength is 50MPa, and elastic modelling quantity is 2350MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.
Embodiment 6
In this embodiment, in terms of parts by weight, the component of high-strength anti-scratch weatherable materials is: meltflow ability is the poly-of 45g/min Butylene 55, PA66 35, ABS resin 24, amide waxe 9, pp grafted maleic anhydride 10, sodium bentonite 9, containing epoxy-reactive group Chain extender 4, wollastonite 8, UV944 4, KH550 10, silicon system capsule material coated ammonium polyphosphate capsule 13, rare earth 2.0.
Hot strength is 55MPa, and impact strength is 8.0KJ/m2, bending strength is 60MPa, and elastic modelling quantity is 2650MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤3, weatherability (carbon arc lamp 200H) △ E≤2.In above-mentioned each reality Executing the ABS resin in example, its proportioning is A:B:S=15:35:50.
Matched group 1 uses commercially available material, and its performance parameter is: hot strength is 35MPa, and impact strength is 5.5KJ/ m2, bending strength is 30MPa, and elastic modelling quantity is 2400MPa, UL94(0.8mm) and V0, weatherability (heat ageing 500H) △ E≤6, Weatherability (carbon arc lamp 200H) △ E≤6.
Matched group 2 uses the most siliceous system capsule material coated ammonium polyphosphate capsule and the material of rare earth, and its performance parameter is: stretching Intensity is 40MPa, and impact strength is 6.0KJ/m2, bending strength is 35MPa, and elastic modelling quantity is 2450MPa, UL94(0.8mm) V0, weatherability (heat ageing 500H) △ E≤4, weatherability (carbon arc lamp 200H) △ E≤4.
Knowable to above-described embodiment, the physical property of the detector of the present invention, particularly weatherability are fine, are much better than existing Material, thus service life is long, particularly suitable in the section of some bad environments, can greatly reduce and safeguard and becoming of changing This.

Claims (10)

1. a traffic flow detector based on WIFI signal, it is characterised in that including:
Signal transmitting and receiving module, is used for sending WIFI broadcast, sends signal to around triggering mobile device;And be used for receiving shifting The data that dynamic equipment sends;
Signal transmission module, for being sent to data storage and analysis system by the connection signal received;
Supply module, including solaode and the accumulator that is connected with solaode, described supply module and signal transmitting and receiving Module and signal transmission module electrical connection.
Traffic flow detector based on WIFI signal the most according to claim 1, it is characterised in that described signal transmitting and receiving Module is provided with data and processes submodule, and these data process submodule for the mark of mobile device being believed according to predetermined format Breath, detector numbering and record time carry out arranging and being stored in memorizer.
Traffic flow detector based on WIFI signal the most according to claim 1, it is characterised in that this detector is arranged There are external power supply interface, USB data transmission interface, transmission line/optical fiber interface, and short-wave signal transport module.
Traffic flow detector based on WIFI signal the most according to claim 1, it is characterised in that also include detector Support, described detector bracket includes detector installation portion, for detector installation portion is fixed on the fixing spiral shell in precalculated position Bolt, and solar battery bracket;Described solar battery bracket includes second that the first support and the first support are socketed Frame, and it is rotationally connected with the solaode installation portion of the second bracket end;The surface configuration of described detector installation portion Having high-strength anti-scratch weatherable materials, in terms of parts by weight, the component of described high-strength anti-scratch weatherable materials is:
Meltflow ability is polybutene 30-50, the PA66 25-40 of 30-50g/min, ABS resin 15-25, amide waxe 5-10, pp Grafted maleic anhydride 5-10, sodium bentonite 5-10, the chain extender 3-5 containing epoxy-reactive group, wollastonite 5-15, UV944 3-5, KH550 5-10, silicon system capsule material coated ammonium polyphosphate capsule 10-15, rare earth 0.5-3.5.
5. a traffic flow detection system based on WIFI signal, it is characterised in that including:
Traffic flow detector based on WIFI signal, including signal transmitting and receiving module, signal transmission module and supply module, described Signal transmitting and receiving module is used for sending WIFI broadcast, sends signal to around triggering mobile device;And be used for receiving mobile setting The data that preparation is sent, these data include the identification code of mobile device;Described signal transmission module is for sending out the data received Deliver to data storage and analysis system;
Data storage and the system of analysis, be used for storing data and calculating traffic flow according to described data;
Communication network, for the data transmission between each traffic flow detector and data storage and analysis system.
Traffic flow detection system based on WIFI signal the most according to claim 5, it is characterised in that described signal is received Sending out module and include that data process submodule, these data process submodule for the mark of mobile device being believed according to predetermined format Breath, detector numbering and record time carry out arranging and being stored in memorizer.
Traffic flow detection system based on WIFI signal the most according to claim 5, it is characterised in that described detector Number corresponding with specific positional information, described data storage and analyze system according to equipment identification information, detector numbering and The record time, calculate the position of mobile device, moving direction and translational speed.
Traffic flow detection system based on WIFI signal the most according to claim 5, it is characterised in that described power supply mould Block includes solar powered module and the outer housing accumulator being connected with solar powered module, and described solar powered module includes Inverter, internal battery and the charge controller that solar panel is connected with solar panel;Described detector is arranged There are external power supply interface, USB data transmission interface, transmission line/optical fiber interface, and short-wave signal transport module.
Traffic flow detection system based on WIFI signal the most according to claim 8, it is characterised in that also include detection Device support, described detector bracket includes detector installation portion, for detector installation portion is fixed on the fixing of precalculated position Bolt, and solar battery bracket;Described solar battery bracket includes second that the first support and the first support are socketed Frame, and it is rotationally connected with the solaode installation portion of the second bracket end;The surface configuration of described detector installation portion Having high-strength anti-scratch weatherable materials, in terms of parts by weight, the component of described high-strength anti-scratch weatherable materials is:
Meltflow ability is polybutene 30-50, the PA66 25-40 of 30-50g/min, ABS resin 15-25, amide waxe 5-10, pp Grafted maleic anhydride 5-10, sodium bentonite 5-10, the chain extender 3-5 containing epoxy-reactive group, wollastonite 5-15, UV944 3-5, KH550 5-10, silicon system capsule material coated ammonium polyphosphate capsule 10-15, rare earth 0.5-3.5.
Traffic flow detection system based on WIFI signal the most according to claim 5, it is characterised in that if certain two Above mobile device is predetermined the detector of quantity in default time difference and detects, then data storage and the system of analysis will It, as same mobile device, recalculates traffic flow.
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