CN206773920U - A kind of sensing circuit of bad weather road conditions automatic early-warning system - Google Patents
A kind of sensing circuit of bad weather road conditions automatic early-warning system Download PDFInfo
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- CN206773920U CN206773920U CN201720653689.7U CN201720653689U CN206773920U CN 206773920 U CN206773920 U CN 206773920U CN 201720653689 U CN201720653689 U CN 201720653689U CN 206773920 U CN206773920 U CN 206773920U
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Abstract
The utility model discloses a kind of sensing circuit of bad weather road conditions automatic early-warning system, it includes：Some visibility detectors of atmospheric visibility are detected, discrete photoelectron is calculated by laser light scattering and obtains visibility of air；Icy road or some road monitoring unit of the condition of high temperature are detected, icy road or the condition of high temperature are surveyed by the aerial temperature and humidity sensor more than the earth's surface Temperature Humidity Sensor and earth's surface of earth's surface；Deformability and some bridge monitoring units of bridge surface temperature at bridge grafting are detected, deformability and bridge surface temperature at bridge grafting are measured by the changing sensor of embedded digital temperature element (TE.The utility model classification uses different sensing modules, bad weather road conditions automatic early-warning system can be made to obtain atmospheric visibility, deformability and bridge surface temperature at icy road or the condition of high temperature, bridge grafting, so as to facilitate bad weather road conditions automatic early-warning system to be monitored for a variety of bad weathers and road conditions.
Description
Technical field
A kind of sensing circuit of early warning system is the utility model is related to, more particularly to a kind of bad weather road conditions automatic early-warning
The sensing circuit of system.
Background technology
Sensory-perceptible is a kind of sensor, communication network, handles technology and field that calculating is combined.In artificial intelligence
In generation, by a large amount of sensor integration information analyses, and big data excavation, artificial intelligence calculating are combined, pass through effective executing agency
Pretreatment, so as to which more convenient, efficient, the safe life mode of production can be realized.Modern society's traffic trip frequency increases, inner
Cheng Zeng great, in traffic trip occasions such as expressway, bridge, hill path, high speed bayonet socket, traffic controls, rely solely on traffic police's management and control portion
Door, can not accomplish convenient traffic, road information report at once, traffic prewarning, influence safety traffic trip.
Utility model content
The purpose of this utility model is to provide a kind of sensing circuit of bad weather road conditions automatic early-warning system, and its is applicable
In traffic trip occasions such as expressway, bridge, hill path, high speed bayonet socket, traffic controls, convenient traffic can be achieved, road information is
Carve report, traffic prewarning, safety traffic trip.
Solution of the present utility model is：A kind of sensing circuit of bad weather road conditions automatic early-warning system, it is obtained
Detection signal, the detection signal include deformability and bridge at atmospheric visibility, icy road or the condition of high temperature, bridge grafting
Surface temperature；The sensing circuit includes：
Some visibility detectors of atmospheric visibility are detected, discrete photoelectron is calculated by laser light scattering and obtains air
Visibility；
Icy road or some road monitoring unit of the condition of high temperature are detected, are passed by the earth's surface humiture installed in earth's surface
More than sensor and earth's surface aerial temperature and humidity sensor detection icy road or the condition of high temperature；
Deformability and some bridge monitoring units of bridge surface temperature at bridge grafting are detected, by being transferred installed in bridge
Multiple changing sensors at place are connect, measure the deformability at corresponding bridge grafting, each changing sensor while embedded digital temperature
The temperature of the installed position of element monitoring corresponding deformation sensor is spent as the bridge surface temperature.
As the further improvement of such scheme, the visibility detector is fixed using stainless steel stent, is placed in
Road both sides.
Further, the visibility detector is charged work by photovoltaic solar system.
As the further improvement of such scheme, the earth's surface Temperature Humidity Sensor and the aerial temperature and humidity sensor are equal
Using PT100 RTDs, caused electric signal is transmitted by wire.
Further, the surface humidity sensor uses RC oscillator principles, obtains the capacitance of the positive and negative interpolar of circuit
To calculate surface humidity.
Further, the aerial temperature and humidity sensor uses chip SHT10, to obtain the temperature and humidity letter in air
Breath.
As the further improvement of such scheme, the changing sensor is arranged on bridge construction using embedded strain gauge
Thing is mixed inside the steel frame construction of territory, to monitor the strain of concrete, so as to measure deformability at bridge grafting.
As the further improvement of such scheme, the sensing circuit also includes filter amplification circuit and A/D convertor circuit,
The filter amplification circuit is filtered amplification respectively to the detection signal, and sends the A/D convertor circuit to and carry out AD turns
Change.
Further, the filter amplification circuit includes resistance R1, resistance R2, resistance R4, resistance R5, electric capacity C1, electric capacity
C2, electric capacity C3, operational amplifier U1；Resistance R1 one end receives the detection signal, and the resistance R1 other end is via resistance R2
On the one hand concatenation operation amplifier U1 in-phase end, operational amplifier U1 end of oppisite phase are grounded via resistance R4, on the other hand passed through
By resistance R5 concatenation operation amplifiers U1 output end；Electric capacity C1 one end is connected between resistance R1 and resistance R2, electric capacity C1
The other end ground connection；Electric capacity C2 one end concatenation operation amplifier U1 in-phase end, electric capacity C2 other end ground connection；Electric capacity C3's
One end is connected between resistance R1 and resistance R2, electric capacity C3 other end concatenation operation amplifier U1 output end.
The utility model has the advantage of：Classification uses different sensing modules, can make bad weather road conditions automatic early-warning system
Deformability and bridge surface temperature at system acquisition atmospheric visibility, icy road or the condition of high temperature, bridge grafting, are disliked so as to convenient
Bad weather road conditions automatic early-warning system is monitored for a variety of bad weathers and road conditions.
Brief description of the drawings
Fig. 1 is structural representation of the sensing circuit of the present utility model in bad weather road conditions automatic early-warning system.
Fig. 2 is the schematic diagram of the transducing signal detection conversion of sensing circuit in Fig. 1.
Fig. 3 is the field apparatus Zigbee wireless network architecture figures of bad weather road conditions automatic early-warning system in Fig. 1.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Referring to Fig. 1, sensing circuit of the present utility model is mainly used in bad weather road conditions automatic early-warning system, this
The sensing circuit classification of the bad weather road conditions automatic early-warning system of utility model uses different sensing modules, can make bad weather
Deformability and bridge surface at road conditions automatic early-warning system acquisition atmospheric visibility, icy road or the condition of high temperature, bridge grafting
Temperature, so as to facilitate bad weather road conditions automatic early-warning system to be monitored for a variety of bad weathers and road conditions.
Bad weather road conditions automatic early-warning system mainly includes four bulks：Sensing circuit 1, in-situ processing center 2, scene are pre-
Alert module 3, high in the clouds processing center 4, distant early warning module 5.Sensing circuit 1 can be connected to scene by 2.4G wireless communication links
Processing center 2, in-situ processing center 2 can be made up of master controller and peripheral supplementary module, and master controller passes through 2.4G channel radios
Believe link connection scene warning module 3；In-situ processing center 2 can pass through GPRS link connections high in the clouds processing center 4, high in the clouds processing
Center 4 can pass through GPRS links, TCP/IP link connection distant early warnings module 5.
Sensing circuit 1 includes some visibility detectors 11, detection icy road or high temperature shape of detection atmospheric visibility
Some road monitoring unit 12 of state, detect deformability and some bridge monitoring units of bridge surface temperature at bridge grafting
13。
Visibility detector 11 calculates discrete photoelectron by laser light scattering and obtains visibility of air.Visibility detector
11 are fixed using stainless steel stent, are placed in both sides of the road, and visibility detector 11 is charged work by photovoltaic solar system,
And monitoring result is sent to in-situ processing center 2.Road monitoring unit 12 passes through the earth's surface temperature and humidity sensing installed in earth's surface
Aerial temperature and humidity sensor more than device and earth's surface.Earth's surface Temperature Humidity Sensor temperature and aerial temperature and humidity sensor use
PT100 RTDs, caused electric signal are connected to sensor governor circuit by wire.Surface humidity sensor is vibrated using RC
Device principle, the capacitance of the positive and negative interpolar of circuit is obtained to calculate surface humidity；Aerial temperature and humidity sensor more than earth's surface uses
SHT10, to obtain the temperature and humidity information in air, the SHT10 uses water-proofing treatment, thorough anti-condensation damage；It is in addition, logical
Cross the sensor governor circuit that the analog signal of collection is connected to node by wire.The temperature measured according to the Temperature Humidity Sensor
Degree and humidity, the earth's surface or air ambient information measured with reference to the aerial temperature and humidity sensor, to judge icy road or height
Temperature state.Bridge monitoring unit 13 measures deformability and bridge surface temperature at bridge grafting by changing sensor.Deformation
Sensor is arranged on bridge construction thing using embedded strain gauge and mixed inside the steel frame construction of territory, to monitor the strain of concrete.
Concurrent deformation sensor embedded digital temperature element (TE monitors the temperature of installation site, can be by wire by the analog signal of collection
The sensing unit of node is connected to, the Electronic Numbering that can attach changing sensor is easy to manage.
In the present embodiment, sensing circuit 1 is mainly made up of several sensor nodes, and visibility detector 11 is by swashing
Light scattering principle, calculate discrete photoelectron and obtain visibility of air；Road monitoring unit 12 is by installed in earth's surface and earth's surface
Temperature Humidity Sensor above, according to the temperature and humidity of measurement, the earth's surface or air ambient information measured with reference to sensor is right
Data carry out calculating analysis, to judge icy road or the condition of high temperature；Bridge monitoring unit 13 passes through changing sensor, RTD
Temperature sensor, to measure deformation and bridge surface temperature at bridge grafting, so as to realize the monitoring and early warning to bridge.
Incorporated by reference to Fig. 2, sensing circuit 1 when signal detection is changed, to detect atmospheric visibility, detection icy road or
Deformability, bridge surface temperature are AD converted again after being filtered amplification respectively at the condition of high temperature, detection bridge grafting.In I
Stage, sensing circuit 1 obtain analog signal, analog signal are inputted to filter amplification circuit.Filter amplification circuit mainly by R1,
R2, R4, R5, C1, C2, C3, U1 are formed.In the II stages, filter amplification circuit is filtered amplification to analog signal, after processing
It is signally attached to the AD input ports of MCU controllers.In the III stages, AD conversion is realized.Wherein, analog signal connection R1 inputs
End, R1 another ends C1, C3, R2, R2 another ends connection U1 positive input terminals and C2, C1, C2 another end ground connection, U1 negative input ends connection R4 and
R5, U1 output end connect C3 and R5, R4 another end ground connection.
That is, the filter amplification circuit includes resistance R1, resistance R2, resistance R4, resistance R5, electric capacity C1, electric capacity
C2, electric capacity C3, operational amplifier U1；Resistance R1 one end receives the detection signal, and the resistance R1 other end is via resistance R2
On the one hand concatenation operation amplifier U1 in-phase end, operational amplifier U1 end of oppisite phase are grounded via resistance R4, on the other hand passed through
By resistance R5 concatenation operation amplifiers U1 output end；Electric capacity C1 one end is connected between resistance R1 and resistance R2, electric capacity C1
The other end ground connection；Electric capacity C2 one end concatenation operation amplifier U1 in-phase end, electric capacity C2 other end ground connection；Electric capacity C3's
One end is connected between resistance R1 and resistance R2, electric capacity C3 other end concatenation operation amplifier U1 output end.
In-situ processing center 2 is stored with a live early warning proposal inquiry table and one and live early warning proposal inquiry table pair
The live abnormal data ranked queries table answered.Each live early warning scheme in the live early warning proposal inquiry table corresponds to institute
State a live abnormal data grade in live abnormal data ranked queries table, the live abnormal data ranked queries table pair
Answer a live abnormal data scope.The live abnormal data scope is according to different atmospheric visibilities, different detection roads
Road freeze or the condition of high temperature, different detection bridge graftings at deformability, different bridge surface temperatures cooperate with define it is multiple
Live abnormal data grade.Atmospheric visibility, detection road knot of the in-situ processing center according to the sensing module transmission
Deformability, bridge surface temperature are in the live abnormal data ranked queries table at ice or the condition of high temperature, detection bridge grafting
Live abnormal data grade corresponding to inquiring, and looked into according to the live abnormal data grade of inquiry in the live early warning scheme
Live early warning scheme corresponding to being inquired in inquiry table.
In the present embodiment, in-situ processing center 2 and sensing node (each sensor i.e. in sensing module 1), early warning
The minimum system of system (i.e. live warning module 3) composition bad weather road conditions automatic early-warning system is a set of Intellisense alarm
System.For traffic safety, three parts form a set of with phy-aware, fundamental analysis and management and control, analysis expert and early warning
System, the wherein each sensing node of sensing center passes through the measurement to fundamental physical quantities such as weather, environment, road conditions and place
After reason, perception information is reported in in-situ processing center 2 by Zigbee network；It is responsible at Cooperative Analysis at in-situ processing center 2
Various perception informations are managed, with reference to a variety of perception informations, reports information to carry out initial analysis and judge for abnormal, is tied according to judgement
Fruit performs road early warning scheme, while live abnormal data is reported into high in the clouds processing center 4 by GPRS；High in the clouds processing center 4
Foundation has substantial amounts of Database Systems, and the diagnosis of expert's level and analysis are carried out according to the abnormal information reported, and according to diagnostic result
Enable distant early warning scheme.Under usual state, bad weather road conditions automatic early-warning system is in low-power consumption or holding state；Scene
Processing center 2 is established by Zigbee network and communicated with each nodes heart beat, as shown in figure 3, and obtaining each sensing node and believing
Breath；If listening to the generation of some node anomalous event, in-situ processing center 2 will collect it is other related from junction sensor information,
And diagnosed according to multiple informixs, diagnostic result and information bank are compared, reach early warning or alert if, notice is existing at once
Field warning module 3, carries out sound and light alarm；Simultaneously by type of alarm and field conditions information reporting high in the clouds processing center 4.
In figure 3, Zigbee wireless network architectures are mainly made up of sensing node, processing center, early warning node, pass through nothing
Gauze network mutually establishes communication link.Same type of sensor node in the network, has dual role：That is terminal node and relaying
Node.As terminal node, the node perceived information is passed to via node or processing center by it by wireless network；Make
For via node, the destination node information received is transferred to next via node or processing center by it；It is each to perceive section
Point is distinguished without principal and subordinate's order, but is distinguished by the ID that data communication is preserved or write in advance in networking.
The early warning action according to corresponding to performing the live early warning scheme of live warning module 3.Live warning module 3 performs
Early warning action include：Fog lamp alarm is enabled, and adjusts fog lamp flicker frequency；Enable electronic speed limit plate, Horn；Enable report
Warning lamp, Horn, LED display.
In the present embodiment, in-situ processing center 2 can prejudge result according to different sensings, enable live warning module 3.
Fog lamp alarm can be enabled according to the detection exception of visibility, and according to the big minor adjustment fog lamp flicker frequency of visibility；Can be according to road
Road freezes or high temperature perceives situation, enables electronic speed limit plate, Horn；Alarm can be enabled according to bridge monitoring abnormity early warning
Lamp, Horn, LED display etc..
High in the clouds processing center 4 stores an expert database.Storage and Different field exception number in the expert database
According to the corresponding diagnostic result of grade, each diagnostic result sets a distant early warning scheme.The high in the clouds processing center according to
The live abnormal data grade of inquiry searched in the expert database corresponding to diagnostic result, and according to the diagnosis knot of inquiry
Fruit knows corresponding distant early warning scheme.
In the present embodiment, high in the clouds processing center 4 has database hub and big data analytic function, according at scene
The warning message that reason center 2 obtains, carry out more accurate analyse and compare；If necessary can floor picture send to high in the clouds
Reason center 4, by the acceleration Subdividing Processing of image, effective information is extracted, and compared with database model, obtained more accurately
Environment, meteorology, crash analysis and judgement；Effective judgment mode and result are fed back into in-situ processing center 2, renewal scene again
Information bank.
The early warning action according to corresponding to performing the distant early warning scheme of distant early warning module 5.Distant early warning module 5 is being held
During row, specific scheme can send information gathering process and result to traffic by modes such as wechat, short message, GPRS
Warning screen, correlation sweet heart person, information report personnel and other users, realize more intelligent traffic trip and early warning, and should
It need not artificially be participated in the case of system is more, realize the intelligent early-warning of broad sense.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
- A kind of 1. sensing circuit of bad weather road conditions automatic early-warning system, it is characterised in that：The sensing circuit obtains detection Signal, the detection signal include deformability and bridge surface at atmospheric visibility, icy road or the condition of high temperature, bridge grafting Temperature；The sensing circuit includes：Some visibility detectors of atmospheric visibility are detected, discrete photoelectron is calculated by laser light scattering and obtains seeing for air Degree；Icy road or some road monitoring unit of the condition of high temperature are detected, pass through the earth's surface temperature and humidity sensing installed in earth's surface More than device and earth's surface aerial temperature and humidity sensor detection icy road or the condition of high temperature；Deformability and some bridge monitoring units of bridge surface temperature at bridge grafting are detected, by bridge grafting Multiple changing sensors, measure the deformability at corresponding bridge grafting, each changing sensor embedded digital temperature member simultaneously The temperature of the installed position of part monitoring corresponding deformation sensor is as the bridge surface temperature.
- 2. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 1, it is characterised in that：It is described to see Degree detector is fixed using stainless steel stent, is placed in both sides of the road.
- 3. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 2, it is characterised in that：It is described to see Degree detector is charged work by photovoltaic solar system.
- 4. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 1, it is characterised in that：The earth's surface Temperature Humidity Sensor and the aerial temperature and humidity sensor use PT100 RTDs, and caused electric signal is transmitted by wire.
- 5. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 4, it is characterised in that：The earth's surface Humidity sensor uses RC oscillator principles, obtains the capacitance of the positive and negative interpolar of circuit to calculate surface humidity.
- 6. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 4, it is characterised in that：The air Temperature Humidity Sensor uses chip SHT10, to obtain the temperature and humidity information in air.
- 7. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 1, it is characterised in that：The deformation Sensor is arranged on bridge construction thing using embedded strain gauge and mixed inside the steel frame construction of territory, to monitor the strain of concrete, So as to measure deformability at bridge grafting.
- 8. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 1, it is characterised in that：The sensing Circuit also includes filter amplification circuit and A/D convertor circuit, and the filter amplification circuit is filtered respectively to the detection signal Amplification, and send the A/D convertor circuit to and be AD converted.
- 9. the sensing circuit of bad weather road conditions automatic early-warning system as claimed in claim 8, it is characterised in that：The filtering Amplifying circuit includes resistance R1, resistance R2, resistance R4, resistance R5, electric capacity C1, electric capacity C2, electric capacity C3, operational amplifier U1；Electricity The one end for hindering R1 receives the detection signal, the resistance R1 other end via resistance R2 concatenation operation amplifiers U1 in-phase end, On the one hand operational amplifier U1 end of oppisite phase is grounded via resistance R4, on the other hand via resistance R5 concatenation operation amplifiers U1's Output end；Electric capacity C1 one end is connected between resistance R1 and resistance R2, electric capacity C1 other end ground connection；Electric capacity C2 one end connects Connect operational amplifier U1 in-phase end, electric capacity C2 other end ground connection；Electric capacity C3 one end be connected to resistance R1 and resistance R2 it Between, electric capacity C3 other end concatenation operation amplifier U1 output end.
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| CN201720653689.7U CN206773920U (en) | 2017-06-07 | 2017-06-07 | A kind of sensing circuit of bad weather road conditions automatic early-warning system |
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| CN201720653689.7U CN206773920U (en) | 2017-06-07 | 2017-06-07 | A kind of sensing circuit of bad weather road conditions automatic early-warning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958980A (en) * | 2019-02-19 | 2019-07-02 | 唐山明业科技有限责任公司 | A kind of highway fog lamp control device and method |
| CN115171379A (en) * | 2022-07-01 | 2022-10-11 | 安徽远航交通科技有限公司 | Emergency response control system based on intelligent traffic |
-
2017
- 2017-06-07 CN CN201720653689.7U patent/CN206773920U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958980A (en) * | 2019-02-19 | 2019-07-02 | 唐山明业科技有限责任公司 | A kind of highway fog lamp control device and method |
| CN115171379A (en) * | 2022-07-01 | 2022-10-11 | 安徽远航交通科技有限公司 | Emergency response control system based on intelligent traffic |
| CN115171379B (en) * | 2022-07-01 | 2024-02-13 | 安徽远航交通科技有限公司 | Emergency response control system based on intelligent traffic |
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Effective date of registration: 20180703 Address after: 230000 10 building, Ying Tang science and Technology Park, 99 Fu Shan Road, hi tech Zone, Hefei, Anhui. Patentee after: Hefei longitudinal line Technology Co., Ltd. Address before: 230000 10 building, Ying Tang science and Technology Park, 99 Fu Shan Road, hi tech Zone, Hefei, Anhui. Patentee before: Anhui long distance traffic Technology Co., Ltd. |
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Effective date of registration: 20210903 Address after: 230000 10 building, Ying Tang science and Technology Park, 99 Fu Shan Road, hi tech Zone, Hefei, Anhui. Patentee after: ANHUI YUANHANG TRAFFIC TECHNOLOGY Co.,Ltd. Address before: 230000 10 building, Ying Tang science and Technology Park, 99 Fu Shan Road, hi tech Zone, Hefei, Anhui. Patentee before: HEFEI ZLINE TECHNOLOGY Co.,Ltd. |