CN203721033U - Digital photography-based agglomerate fog real-time early warning system - Google Patents
Digital photography-based agglomerate fog real-time early warning system Download PDFInfo
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- CN203721033U CN203721033U CN201420112447.3U CN201420112447U CN203721033U CN 203721033 U CN203721033 U CN 203721033U CN 201420112447 U CN201420112447 U CN 201420112447U CN 203721033 U CN203721033 U CN 203721033U
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Abstract
A digital photography-based agglomerate fog real-time early warning system comprises a CCD camera, an AD converter, a digital image processor, an SDRAM, a 3G communication module, a first ZigBee module, a second ZigBee module, an information distribution controller, an LED display screen and a temperature detection device, wherein the AD converter is connected with the CCD camera and the digital image processor respectively, the digital image processor is connected with the SDRAM, the 3G communication module, the first ZigBee module and the temperature detection device respectively, the second ZigBee module exchanges data with the first ZigBee module through a wireless network, and the information distribution controller is connected with the second ZigBee module and LED display screen respectively. With the digital photography-based agglomerate fog real-time early warning system adopted, defects of a traditional agglomerate fog warning system such as complex structure, high cost, difficult information acquisition and unobvious warning effect can be eliminated. The digital photography-based agglomerate fog real-time early warning system has the advantages of excellent scalability and maintainability.
Description
Technical field
The utility model relates to a kind of mist real-time early warning system, specifically a kind of group's mist real-time early warning system based on digital camera.
Background technology
In recent years, along with economic develop rapidly China highway mileage also constantly extends, the convenient and swift safe and smooth comprehensive benefit of highway constantly manifests.But because expressway speed is fast, flow is large and himself totally enclosed feature, once so highway run into blind special weather, while particularly thering is the group vaporific condition of sudden and randomness, just very easily there is traffic hazard.By weather conditions such as dense fog (particularly rolling into a ball mist), sleet, sandstorms, cause visibility reduction on highway to become the main predisposing factors of traffic hazard on current highway, and caused the massive losses of social economy and people's lives and properties.Therefore, design and development expressway fog early warning system has become transportation industry problem demanding prompt solution.
China is starting late aspect the research of fogday traffic safety, and the expressway fog early warning system research of China at present mainly contains following several respects:
(1) the highway anti-fogging early warning system based on GPRS
This system utilizes high precision duplex digital temperature sensor to measure the humidity of air, completing the interpretation to the on-the-spot humidity threshold value of highway detects, while reaching threshold value, by MCU (being control module), start visiometer, complete antifog data acquisition, thereby transmit data by GPRS wireless module, realize early warning.
(2) the expressway visibility early warning system based on CAN bus
This system is comprised of measured node and communication bus, measured node adopts long distance samples photoelectric sensor, utilize phase-locked detection principle, measurement is obtained reflecting the feeble signal of visibility situation by remote photoelectric sensor, the long haul communication network being comprised of CAN bus is realized the mutual transmission of each node measurement signal and control signal simultaneously.
China's weather monitoring device is mostly from external import, apparatus expensive, and maintaining difficulty, in addition, because the operation and maintenance of equipment is improper, much equipment is not brought into play its due effect.At present, domestic also have numerous visiometers to sell producer, mainly contain day abundant moral TYD-MV visiometer, win rich instrument etc., but its system complex, sampled data is few, and cost is high, is not suitable for highway and uses on a large scale.
In association area at home and abroad, also relative less with research for the exploration of this respect, there is not so far a kind of alarming effect obvious, security performance is good, and automaticity is high, and group's mist early warning system simple to operate presents.
Utility model content
The purpose of this utility model is to provide a kind of group's mist real-time early warning system based on digital camera, effectively solves Real-Time Monitoring and the safe early warning problem of expressway fog, reduces or traffic accidents that the group's of avoiding mist causes.
The technical scheme in the invention for solving the technical problem is: the group's mist real-time early warning system based on digital camera, the image information of the object in order to capture setting on highway is carried out a mist real-time early warning, it is characterized in that: comprise ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described ccd video camera is in order to gather the image information of object, described AD converter is connected with Digital Image Processor with ccd video camera respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with LED display with the 2nd zigbee wireless radio frequency modules respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules form group's fog real-time monitoring device, the 2nd described zigbee wireless radio frequency modules, information release controller and LED display form group's mist real-time early warning device.
Preferably, described ccd video camera comprises ICX205AL imageing sensor.
Preferably, described AD converter comprises TVP5146 chip.
Preferably, described Digital Image Processor adopts the TMS320C6713DSP processor of TI company.
Preferably, a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company.
Preferably, described information release controller comprises STC89C52 single-chip microcomputer.
Preferably, described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company.
Further, described fog real-time monitoring device is set in qually spaced on highway, and the quantity of described mist real-time early warning device is the twice of group's fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network.
This group's mist real-time early warning system based on digital camera is by the image information of ccd video camera Real-time Collection object, Digital Image Processor is obtained the image information of object and is stored in SDRAM storer by AD converter, according to the image information of object, judge real-time weather visibility and generate speed(-)limit sign information simultaneously, by a zigbee wireless radio frequency modules, real-time weather visibility and speed(-)limit sign information are sent to a mist real-time early warning device again, the security of turnpike driving while happening suddenly to improve a mist.
The beneficial effects of the utility model are: the utility model is by directly processing the image of the selected target thing of ccd video camera picked-up, according to image luminance information, obtain visibility numerical value, it has proposed effective preventive measure for the problem of greasy weather highway automobile safety traffic.The utility model directly absorbs selected target thing by digital video camera (CCD-CAMERA) and then background image passes to computing machine by image pick-up card, according to the Image Acquisition visibility numerical value obtaining, there is real-time, efficient, alarming effect outstanding feature, can effectively solve expressway fog early warning problem, there is great Social benefit and economic benefit.
The utility model gathers target image based on ccd video camera, according to TMS320C6713DSP to the processing of view data and utilize STC89C52 Single-chip Controlling group mist real-time early warning device to carry out real-time release group mist early warning information by changeable-message sign board and speed(-)limit sign mode, the shortcomings such as the complex structure, cost that have overcome traditional mist early warning system are expensive, information acquisition is difficult and alarming effect is not obvious, have good upgradability and maintainability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is a kind of schematic diagram that arranges of described in the utility model fog real-time monitoring device and object;
In Fig. 2: 1 fog real-time monitoring device, 2 monitoring bars, 3 objects, 4 highway isolation belts, 5 mist real-time early warning devices.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of group's mist real-time early warning system based on digital camera of the present utility model, it comprises ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described AD converter is connected with Digital Image Processor with ccd video camera respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with LED display with the 2nd zigbee wireless radio frequency modules respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules form group's fog real-time monitoring device, the 2nd described zigbee wireless radio frequency modules, information release controller and LED display form group's mist real-time early warning device.
Wherein, described ccd video camera adopts ICX205AL imageing sensor, in order to gather the image information of object, described AD converter adopts TVP5146 chip, described Digital Image Processor adopts the TMS320C6713DSP of TI company, a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company, described information release controller adopts STC89C52 single-chip microcomputer, described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company, in order to monitor the state of temperature in image processing module when work, to guarantee it, normally work.
As shown in Figure 2, described in the utility model fog real-time monitoring device 1 is set in qually spaced on the monitoring bar 2 of highway, in group's fog real-time monitoring device 1, the camera of ccd video camera is facing to object 3 and gather the image information of object, and described object 3 is arranged on highway isolation belt 4; The quantity of described mist real-time early warning device 5 is the twice of group's fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network, for example, after detecting a mist, group's fog real-time monitoring device at B place according to a mist information, corresponding speed(-)limit sign information is sent to respectively to the upstream group mist real-time early warning device at A and C place, if the group's of being checked through mist not sends real-time weather visibility information group's mist real-time early warning device at B place; Group's mist real-time early warning device at B place preferentially shows the speed(-)limit sign information that the downstream group fog real-time monitoring device at A and C place sends, and shows the real-time weather visibility information of group's mist real-time early warning device transmission at B place when not receiving the speed(-)limit sign information that downstream group fog real-time monitoring device sends.
Due to the detection early warning object of the present utility model group's mist that is high-speed functions, based on a feature that mist radius is little, mobility is strong, therefore, described in the utility model fog real-time monitoring device 1 actual installation density should be one group every kilometer, group's mist real-time early warning device 2 actual installation density should be two every kilometer, and the utility model arranges speed(-)limit sign according to the weather visibility shown in subordinate list 1 with showing speed limit transformational relation.
Subordinate list 1:
| Weather visibility M (m) | 500-200 | 150-200 | 100-150 | 50-100 | <50 |
| Speed(-)limit sign V (km/h) | 80 | 60 | 50 | 40 | 20 |
When real-time weather visibility M (m) is greater than 500m, do not generate speed(-)limit sign V (km/h).
The utility model is by the image information of ccd video camera Real-time Collection object, Digital Image Processor is obtained the image information of object and is stored in SDRAM storer by AD converter, the image information of processing target thing calculates real-time weather visibility and generates speed(-)limit sign information in real time simultaneously, by a zigbee wireless radio frequency modules, real-time weather visibility and speed(-)limit sign information are sent to a mist real-time early warning device again, the security of turnpike driving while happening suddenly to improve a mist.
The utility model mainly comprises following main functional modules.
One, image capture module
The utility model adopts take the ccd video camera that ICX205AL is core, and its pixel is square configuration, has adopted HAD technology, and light sensitivity is high, and dark current is low; Resolution is 1392 X 1040, and valid pixel is counted 1.45M.Working frequency of chip is 14.318MHz, supports both full-pixel to read with high frame fast reading and goes out two kinds of playback modes, and the former output speed is 7.5 frames per second, and the latter can reach the speed of 30 frames per second.Meanwhile, ICX20_SAL also supports electronic shutter function.
Ccd video camera passes through to gather apart from the object of shooting point certain distance or the image of target lamp, then is input in Digital Image Processor by digital image acquisition card.
Two, image processing module
The utility model adopts the embedded digital picture processing chip that TI company's T M S320C6713 DSP is core, and its processing speed is fast, and working stability can meet the requirement of video camera to processing speed.It is compatible that it has fixed point/floating-point series, CPU frequency can reach 1.1GHz, simultaneously, also there is 6 A LU (32/40-bit) functional unit, 2 multipliers (16x16), maximum execution speed can reach the advantages such as 4.8 x109 bar instructions per second, can complete well the Processing Algorithm that gathers image.
Three, temperature detecting module
The digital temperature sensor TMP05 of ADI company, has volume little, measures accurately the feature of working stability.Can effectively monitor the working temperature of image capture module, under severe weather conditions, during image capture module operation irregularity, can be found timely and repair in the winter time.
Four, wireless communication module
ZigBee technology is as a kind of emerging two-way wireless communication means, has low in energy consumption, the feature such as time delay is short, network capacity is large, reliability is high and cost is low, is very suitable for the communication on highway.
Because TI company technique is fully reinforced, the data such as the developing instrument providing, technical documentation, reference design and working knowledge are more complete, are conducive to building of platform, therefore will select the ZigBee single-chip solution of TI company.This is wherein outstanding with the CC2430 chip performance of up-to-date Chipcon company again.This module is divided into sending and receiving two parts, and transmitting portion is arranged on camera place, for sending in real time the speed-limiting messages obtaining via image processing module; Receiving unit is integrated in information issuing module, and the speed(-)limit sign information receiving is passed to LED speed limit show label or gantry type changeable-message sign board.
Five, group's mist real-time early warning module
Processing is above all for effective, real-time is distributed to driver by a mist information, therefore rolls into a ball the mist real-time early warning device information of carrying out and issues most important.
It is mainly comprised of information issuing control module and information display module two parts, and information issuing control is by STC89C52 Single-chip Controlling; Information display module adopts LED display, coordinate traditional highway variable information sign board, real-time release road conditions group mist information, and the immutable Speed Limitation on Freeway of existing static state of upgrading is masked as LED variable speed-limit sign, one meets section there is group's mist, just can change respective stretch restricted speed immediately, reach the object of prevention traffic hazard.
The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (8)
1. the group's mist real-time early warning system based on digital camera, the image information of the object in order to capture setting on highway is carried out a mist real-time early warning, it is characterized in that: comprise ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described ccd video camera is in order to gather the image information of object, described AD converter is connected with Digital Image Processor with ccd video camera respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with LED display with the 2nd zigbee wireless radio frequency modules respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules form group's fog real-time monitoring device, the 2nd described zigbee wireless radio frequency modules, information release controller and LED display form group's mist real-time early warning device.
2. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described ccd video camera comprises ICX205AL imageing sensor.
3. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described AD converter comprises TVP5146 chip.
4. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described Digital Image Processor adopts the TMS320C6713DSP processor of TI company.
5. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company.
6. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described information release controller comprises STC89C52 single-chip microcomputer.
7. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company.
8. according to the group's mist real-time early warning system based on digital camera described in claim 1-7 any one, it is characterized in that: described fog real-time monitoring device is set in qually spaced on highway, the quantity of described mist real-time early warning device is the twice of group's fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871251A (en) * | 2014-03-13 | 2014-06-18 | 山东交通学院 | Digital photography-based agglomerate fog real time early warning system and method |
| CN105303844A (en) * | 2015-10-26 | 2016-02-03 | 南京本来信息技术有限公司 | Night highway agglomerate fog automatic detection device on the basis of laser and detection method thereof |
| CN109101863A (en) * | 2018-03-01 | 2018-12-28 | 曹婷 | Weather danger alarm method based on image analysis |
-
2014
- 2014-03-13 CN CN201420112447.3U patent/CN203721033U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871251A (en) * | 2014-03-13 | 2014-06-18 | 山东交通学院 | Digital photography-based agglomerate fog real time early warning system and method |
| CN105303844A (en) * | 2015-10-26 | 2016-02-03 | 南京本来信息技术有限公司 | Night highway agglomerate fog automatic detection device on the basis of laser and detection method thereof |
| CN109101863A (en) * | 2018-03-01 | 2018-12-28 | 曹婷 | Weather danger alarm method based on image analysis |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20170313 |