CN202352080U - Vehicle flow real-time detecting system of parking place - Google Patents
Vehicle flow real-time detecting system of parking place Download PDFInfo
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- CN202352080U CN202352080U CN 201120530306 CN201120530306U CN202352080U CN 202352080 U CN202352080 U CN 202352080U CN 201120530306 CN201120530306 CN 201120530306 CN 201120530306 U CN201120530306 U CN 201120530306U CN 202352080 U CN202352080 U CN 202352080U
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Abstract
The utility model discloses a vehicle flow real-time detecting system of a parking place. The vehicle flow real-time detecting system comprises a main controller, a one-lane vehicle flow detector and an outdoor light-emitting diode (LED) display screen, wherein the main controller consists of an embedded type microprocessor ARM7, a clock chip, keys and a display screen; the clock chip, the keys and the display screens are electrically connected with the embedded type microprocessor ARM7; and the one-lane vehicle flow detector and the outdoor LED display screen are electrically connected with the embedded type microprocessor ARM7 through a ZigBee wireless transmission network. The vehicle flow real-time detecting system is a device capable of detecting and counting the vehicle flow of the parking place which is provided with a plurality of exits and entrances in real time. The vehicle flow real-time detecting system is high in flow statistical accuracy, is not influenced by passersby and bicycles, is convenient to mount and maintain, is low in cost and simple in structure, can count vehicles entering and leaving the parking place in a specified time interval and the service efficiency of stalls in the parking place in real time, and can estimate the current remaining stalls in the parking place.
Description
Technical field
The utility model relates to the electronic communication field, is specifically related to a kind of parking lot vehicle flowrate real-time detecting system.
Background technology
In recent years; Along with China's rapid economic development; Improving constantly of the level of people's lives, motor vehicles increase sharply in the city, and it is very general that the traffic congestion phenomenon of big and medium-sized cities has become; Parking difficulty has become the major issue that influences the clan owning cars life, also is the factor that the urban development layout must be considered.Parking lot real-time traffic flow amount detects to the dilatation in parking lot and programming and distribution provide objective basis, and the real-time release of parking lot residue parking space information helps the shunting of steer motor, and minimizing is parked the time.
At present; Vehicle Flow Detection device commonly used mainly contains magnetic induction detecting device, microwave radar detecting device and video detector etc.; Magnetic induction detecting device (being mostly to bury underground the formula detection system) is the toroid winding detecting device; Being traditional traffic detecting device, also is the maximum a kind of checkout equipment of present consumption in the world.Vehicle causes the variation of coil magnetic field through being embedded in the toroid winding under the road surface, and detecting device calculates the flow of vehicle in view of the above, and this method and technology is ripe, be easy to grasp, and cost is lower.Yet coil is installed or traffic temporarily is obstructed when safeguarding; The joint-cutting of embedding coil has softened the road surface, makes the road surface impaired easily; Inductive coil is subject to the influence of subgrade settlement, physical environment such as saline and alkaline; Inductive coil is because self measuring principle limits, and when wagon flow is blocked up, following distance is less than 3m the time, and its accuracy of detection reduces significantly, even can't detect.
The microwave radar detecting device is in the course of the work to road direction to the car transmitting radar waves bundle; Receive the echo of automobile reflection again; Measure automobile speed, flow information through echo analysis, on the road that this metering system is single in vehicle, wagon flow stable, the speed of a motor vehicle is evenly distributed accuracy higher, but block up and large car is more, vehicle highway section pockety in wagon flow; Because vehicle blocks each other, measuring accuracy can receive bigger influence.In addition, microwave detector requires to have from nearest track the space of 3m, as detecting 8 tracks, also needs the distance of 7-9m and setting height(from bottom) to be difficult to reach requirement from nearest track.Therefore, the installation in bridge, grade separation, viaduct can be restricted, and difficult installation costs an arm and a leg.
Video detector is to make sensor through video camera, and virtual coil is set in range of video, and promptly detection zone changes background gray levels during vehicle entering detection zone, thereby learns the existence of vehicle, and detects the flow and the speed of vehicle with this.Detecting device can be installed in the top and the side in track, and with traditional traffic information collection compared with techniques, the traffic video detection technique can provide on-the-spot video image, can move magnetic test coil as required, and intuitive and reliable, Installation and Debugging are easy to maintenance.Yet this device receives Effect of Environmental such as inclement weather, light, shade easily, and the dynamic shade of automobile also can bring interference, and its price is higher simultaneously.
The parking lot of prior art all has a plurality of gateways usually, and between a plurality of gateway certain spacing is arranged, and gets into the spacing skewness of the car in parking lot; Situation less than 3 meters often appears; Vehicle is various, and it is bigger that the speed of a motor vehicle differs, usually all below 80 kilometers.
The utility model content
The deficiency that the utility model is higher for the pick-up unit cost that overcomes prior art and exist, it is inconvenient to install, the traffic statistics precision is low and can not real time partitioned accounting automobile flow provides a kind of and can detect, add up the parking lot vehicle flowrate real-time detecting system with parking lot, a plurality of gateway vehicle flowrate in real time.
The utility model is realized through following technical scheme: a kind of parking lot vehicle flowrate real-time detecting system; Comprise primary controller, bicycle road vehicle Flow Detection device and outdoor LED display screen; Said primary controller is made up of embedded microprocessor ARM7, clock chip, button, display screen; Said clock chip, said button, said display screen all are electrically connected with said embedded microprocessor ARM7, and said bicycle road vehicle Flow Detection device, said outdoor LED display screen all are electrically connected with said embedded microprocessor ARM7 through the ZigBee wireless-transmission network.
Said bicycle road vehicle Flow Detection device is by single-chip microcomputer, the three pairs of infrared correlation sensors, form with door and ZigBee wireless transmitter module; Single-chip microcomputer is electrically connected with the ZigBee wireless transmitter module; Every pair of infrared correlation sensor is made up of a transmitter and a photoelectric sensing receiver; Be connected with single-chip microcomputer with the output terminal of door, wherein, the photoelectric sensing receiver of two pairs of infrared correlation photoelectric sensors connect simultaneously single-chip microcomputer the I/O mouth and with the door input end.
Said ZigBee radio sensing network is made up of telegon, router, terminal node, and said information management system comprises PC, and said PC is connected through serial ports RS232 with said telegon.
Said clock chip is the DS1302 chip.
Said single-chip microcomputer is the AT89C51 single-chip microcomputer.
The beneficial effect of the utility model is: the utility model is a kind of device that can detect in real time, add up the parking lot vehicle flowrate with a plurality of gateways.The utility model traffic statistics precision is high; Do not receive the influence of pedestrian and bicycle; I&M is convenient, and is cheap, simple in structure; Get in can real-time statistics fixed time interval and leave parking lot vehicle flowrate, parking position service efficiency, and can estimate current residual parking stall, parking lot situation.
Description of drawings
Fig. 1 is the structured flowchart of the utility model;
Fig. 2 is the network topology of ZigBee wireless-transmission network;
Fig. 3 is the structured flowchart of bicycle road vehicle Flow Detection device;
Fig. 4 is the block diagram of outdoor LED display screen;
Fig. 5 is the mounting structure figure of infrared correlation sensor;
Fig. 6 is that parking lot real-time traffic flow amount detects and flow for displaying figure;
Fig. 7 is a bicycle road vehicle Flow Detection software flow pattern.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1; A kind of parking lot vehicle flowrate real-time detecting system; Comprise primary controller, bicycle road vehicle Flow Detection device and outdoor LED display screen; Said primary controller is made up of embedded microprocessor ARM7, clock chip, button, display screen, and clock chip, button, display screen all are electrically connected with embedded microprocessor ARM7, and bicycle road vehicle Flow Detection device, outdoor LED display screen all are electrically connected with embedded microprocessor ARM7 through the ZigBee wireless-transmission network.
As shown in Figure 2, the ZigBee wireless-transmission network is made up of telegon 1, router two, end points 3.
As shown in Figure 3; Bicycle road vehicle Flow Detection device is by single-chip microcomputer, the three pairs of infrared correlation sensors, form with door and ZigBee wireless transmitter module; Single-chip microcomputer is electrically connected with the ZigBee wireless transmitter module; Every pair of infrared correlation sensor is made up of a transmitter and a photoelectric sensing receiver, and the photoelectric sensing receiver directly is connected with single-chip microcomputer, or the photoelectric sensing receiver through with door and single-chip microcomputer.
As shown in Figure 4, outdoor LED display screen is made up of with the LED display that is connected with the ZigBee wireless transmitter module the ZigBee wireless transmitter module.
Primary controller passes in and out parking lot vehicle flowrate data through each gateway that receives the transmission of ZigBee wireless-transmission network in system; Accomplish the analysis of parking lot vehicle flowrate data; And parking lot vehicle flowrate in can cumulative statistics at the appointed time interval; Its statistical content comprises and gets into and leave parking lot flow and estimation parking lot residue parking space information, and sends to outdoor LED display screen and show in real time.The ZigBee wireless-transmission network is used for transmission information between primary controller and bicycle road vehicle Flow Detection device.Bicycle road vehicle Flow Detection device is installed in the turning roadway terminal in each parking lot, is used for detecting getting into and leaving the vehicle flowrate in parking lot and send to primary controller.
The embedded microprocessor ARM7 of primary controller is connected with telegon 1 in the ZigBee wireless sensor network through serial ports RS232, and bicycle road vehicle Flow Detection is with wireless mode and ZigBee wireless-transmission network exchange message through the ZigBee wireless transmitter module.
As shown in Figure 5, bicycle road vehicle Flow Detection device distributes and is installed in the gateway in each parking lot, and the transmitter of infrared correlation sensor is installed in a side in track, and receiver is installed in the opposite side in track, and the spacing of adjacent infrared correlation sensor is 0.8 meter.The telegon 1 of primary controller and ZigBee wireless-transmission network is placed on Garage Administration, and the placement spacing of the router two of ZigBee wireless-transmission network is by the distance decision of each gateway, parking lot and Garage Administration.The coverage that router two transmits under the obstacle situation is 30 meters, under clog-free situation, can reach 70 meters.Outdoor LED display screen be installed in get into the parking lot must make the driver who gets into the parking lot in time understand the parking space information in parking lot through the crossing.
The operating procedure of the utility model is: 1, open telegon 1, router two, the end points 3 of ZigBee wireless-transmission network successively, set up the ZigBee wireless-transmission network; 2, open primary controller, receive data, confirm to communicate by letter successfully with the ZigBee wireless-transmission network from the ZigBee wireless-transmission network; 3, open bicycle road vehicle Flow Detection device, confirm to network successfully with the ZigBee wireless-transmission network; 4, open outdoor LED display screen, confirm to network successfully, show parking lot residue parking space information with the ZigBee wireless-transmission network.
Set up handshake mechanism between primary controller and the bicycle road vehicle Flow Detection device, each bicycle road vehicle Flow Detection device is after sending this lane flow amount information, as the affirmation information of confiscating primary controller then retransmits, and guarantees reliable information transmission.
The detection principle of bicycle road vehicle Flow Detection device is as shown in Figure 7.After system's energising initialization, single-chip microcomputer cuts out interruption, five global variables is set gets into, leave parking lot train number flow, get into sign, leave sign, traffic statistics effective marker as statistics respectively; And zero clearing, single-chip microcomputer sends instruction adding ZigBee wireless-transmission network for the ZigBee wireless transmitter module, and interruption left by single-chip microcomputer; Etc. interrupt response, automobile gets into (leaving) parking lot, and automobile has been blocked the photoelectric sensing receiver and received signal; Single-chip microcomputer detects signal through break detection to the photoelectric sensing receiver, surveys to get into (leaving) flag set, along with advancing of automobile; Single-chip microcomputer detects signal through break detection to the photoelectric sensing receiver, judge in the disconnected hereinto program to get into whether (leaving) sign is zero condition, and 3 photoelectric sensing receivers is when detecting signal simultaneously; Then the total flow counting then gets into (leaving) parking lot vehicle flowrate counting, and all zone bits that reset; And send to the ZigBee wireless transmitter module; Whenever send entering and leave the parking lot information of vehicle flowrate at a distance from the telegon 1 of 2 fens clockwise ZigBee wireless-transmission networks by it, send to primary controller by telegon 1 again, do not receive that the affirmation signal of telegon 1 is then retransmitted.
The course of work of parking lot real-time traffic flow amount detection systems is as shown in Figure 6.After the ZigBee wireless-transmission network was set up, primary controller initialization external equipment (display screen, clock chip) read clock chip information; LED display shows current time and empty vehicle parking position of parking lot information, information of vehicle flowrate out of doors; After receiving the new information of ZigBee wireless-transmission network, upgrade current parking lot flow information (being included in entering and the vehicle flowrate that leaves in the fixed time interval), send to bicycle road vehicle Flow Detection device and confirm; Read clock chip information; Whether current time in the time interval of appointment, preserves the current interval vehicle flowrate, begins new interval traffic statistics.
Should be noted that at last; Above content is only in order to explain the technical scheme of the utility model; But not to the restriction of the utility model protection domain; The simple modification that those of ordinary skill in the art carries out the technical scheme of the utility model perhaps is equal to replacement, does not all break away from the essence and the scope of the utility model technical scheme.
Claims (5)
1. parking lot vehicle flowrate real-time detecting system; It is characterized in that: said parking lot vehicle flowrate real-time detecting system comprises primary controller, bicycle road vehicle Flow Detection device and outdoor LED display screen; Said primary controller is made up of embedded microprocessor ARM7, clock chip, button, display screen; Said clock chip, said button, said display screen all are electrically connected with said embedded microprocessor ARM7, and said bicycle road vehicle Flow Detection device, said outdoor LED display screen all are electrically connected with said embedded microprocessor ARM7 through the ZigBee wireless-transmission network.
2. parking lot according to claim 1 vehicle flowrate real-time detecting system; It is characterized in that: said bicycle road vehicle Flow Detection device is by single-chip microcomputer, the three pairs of infrared correlation sensors, form with door and ZigBee wireless transmitter module; Single-chip microcomputer is electrically connected with the ZigBee wireless transmitter module; Every pair of infrared correlation sensor is made up of a transmitter and a photoelectric sensing receiver; Be connected with single-chip microcomputer with the output terminal of door, wherein, the photoelectric sensing receiver of two pairs of infrared correlation photoelectric sensors connect simultaneously single-chip microcomputer the I/0 mouth and with the door input end.
3. parking lot according to claim 1 vehicle flowrate real-time detecting system; It is characterized in that: said ZigBee radio sensing network is made up of telegon, router, terminal node; Said information management system comprises PC, and said PC is connected through serial ports RS232 with said telegon.
4. according to claim 1,2 or 3 described parking lot vehicle flowrate real-time detecting systems, it is characterized in that: said clock chip is the DS1302 chip.
5. according to claim 1,2 or 3 described parking lot vehicle flowrate real-time detecting systems, it is characterized in that: said single-chip microcomputer is the AT89C51 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120530306 CN202352080U (en) | 2011-12-15 | 2011-12-15 | Vehicle flow real-time detecting system of parking place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120530306 CN202352080U (en) | 2011-12-15 | 2011-12-15 | Vehicle flow real-time detecting system of parking place |
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| Publication Number | Publication Date |
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| CN202352080U true CN202352080U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120530306 Expired - Fee Related CN202352080U (en) | 2011-12-15 | 2011-12-15 | Vehicle flow real-time detecting system of parking place |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160394A (en) * | 2015-09-23 | 2015-12-16 | 郑州奇飞特电子科技有限公司 | Cattle counting device, cattle counting system and corresponding cattle counting method |
| CN106683421A (en) * | 2017-03-13 | 2017-05-17 | 南宁市高光信息技术有限公司 | Parking lot counting system |
| CN107146418A (en) * | 2017-06-22 | 2017-09-08 | 南京南大光电工程研究院有限公司 | Vehicle flowrate monitoring method based on photoelectric measurement technology |
| CN113066230A (en) * | 2021-03-17 | 2021-07-02 | 北京骑胜科技有限公司 | Shared vehicle parking spot adjustment method, apparatus, storage medium, and program product |
-
2011
- 2011-12-15 CN CN 201120530306 patent/CN202352080U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160394A (en) * | 2015-09-23 | 2015-12-16 | 郑州奇飞特电子科技有限公司 | Cattle counting device, cattle counting system and corresponding cattle counting method |
| CN105160394B (en) * | 2015-09-23 | 2017-08-25 | 郑州奇飞特电子科技有限公司 | Cattle counting device, cattle counting system and corresponding cattle counting method |
| CN106683421A (en) * | 2017-03-13 | 2017-05-17 | 南宁市高光信息技术有限公司 | Parking lot counting system |
| CN107146418A (en) * | 2017-06-22 | 2017-09-08 | 南京南大光电工程研究院有限公司 | Vehicle flowrate monitoring method based on photoelectric measurement technology |
| CN113066230A (en) * | 2021-03-17 | 2021-07-02 | 北京骑胜科技有限公司 | Shared vehicle parking spot adjustment method, apparatus, storage medium, and program product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20141215 |
|
| EXPY | Termination of patent right or utility model |