CN104346947A - Underground parking lot LED illumination and guiding system and method based on self-networking technology - Google Patents
Underground parking lot LED illumination and guiding system and method based on self-networking technology Download PDFInfo
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- CN104346947A CN104346947A CN201310331685.3A CN201310331685A CN104346947A CN 104346947 A CN104346947 A CN 104346947A CN 201310331685 A CN201310331685 A CN 201310331685A CN 104346947 A CN104346947 A CN 104346947A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/146—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is a limited parking space, e.g. parking garage, restricted space
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention brings forward an underground parking lot LED illumination and guiding system and method based on a self-networking technology. The system comprises LED light fixtures, a parking path planning guiding system, and LCDs installed in a parking lot and outside the parking lot for displaying parking place information of an underground parking lot, and further comprises parking place detection terminals which are provided with ultrasonic sensors and are installed in parking places, a DALI light modulation system, a center sever with double gateways, and a ZIGBEE wireless communication network composed of ZIGBEE modules. The LED light fixtures are integrated to form radar detection sensors installed at upper ends of travel paths of the parking lot; the center server employs a DALI protocol and the DALI light modulation system for communication and realizes automatic light modulation on the multiple LED light fixtures; and the center server employs a ZIGBEE wireless communication mode to communicate with the multiple parking plate detection terminals. The invention further brings forward a method based on the system.
Description
Technical field
The present invention relates to underground parking LED illumination and guidance system, particularly relate to a kind of underground parking LED illumination based on ad hoc network and guidance system and method.
Background technology
LED lamp is the lighting source of a new generation, under the policy guide that government advocates energy-saving and emission-reduction energetically, LED technology is developed rapidly in recent years, carry out in the process of lighting retrofit upgrading in a lot of underground parking, due to the cost of LED and price higher, need 1 year ~ 2 years ability cost-recoverings by saving the electricity charge.How to reduce or reduce the key that " invalid illumination " energy consumption becomes underground parking economize on electricity, increasing LED application scenario requires the management illuminator of hommization, deeply excavate the energy-conservation potential of LED to greatest extent, what existing matured product on the market adopted substantially is concentrated manually operated mode.
China Patent Publication No. is that the patent of invention of CN102779428A discloses a kind of parking lot guide method and system, for generating the wiring diagram comprising preferred routes according to inner part of parking lot traffic, and driver is indicated to find target parking stall according to described preferred routes.Embodiment method comprises: determine target parking stall; According to the traffic determination preferred routes in described target parking stall and current parking lot, described traffic comprises to be supported or unimpeded, and described preferred routes is vehicle entrance or the user entry route available to described target parking stall; Preferred routes wiring diagram is generated according to described preferred routes; Show described preferred routes wiring diagram, make driver arrive described target parking stall according to the instruction of described preferred routes wiring diagram.
China Patent Publication No. be CN102867434A patent discloses intelligent parking lot bootstrap technique, comprise the following steps: user gets radio frequency card at Entrance place, enters parking lot; When user drives the arbitrary area entry sailed in parking lot, the sensor unit at this area entry place sends inquiry message to radio frequency card; After radio frequency card receives inquiry message, automatically send back to sensor unit using radio frequency card No. ID as reply message; After sensor unit receives answer signal, change message to information collection unit sending zone dead ship condition; Information collection unit calculates residue parking stall sum, and residue parking stall sum is sent to liquid crystal display.
Current intelligent parking lot guidance system is mainly concerned with following technology:
(1) people/car Detection Techniques
In a large amount of reducing energy consumptions, inductor plays important energy-conservation role, human motion inductor, the various inductors such as brightness impression device are applied in large quantities, the sensor base being applied in underground parking illumination at present mainly contains two types, one is infrared sensor, the infrared ray work by human-body emitting, by the change of the difference of human body surface temperature and environment temperature, the electric signal produced, judge whether people movable and outputed signal, i.e. thermoelectricity conversion, cost is lower, its shortcoming is that infrared sensor is owing to being subject to floor height, the restriction of metallic conduit and angle of radiation has certain detection blind area.Another kind is radar sensor, is to utilize microwave Doppler principle, by emitting electromagnetic wave and echo, detects and measure the equipment of target information to target.Radar induction can overcome the shortcoming of detection angle blind area, there is farther (the induction angle: 180 degree of distance of reaction, covering diameter can reach 30 meters), the faster advantage such as (0.2 second), performance more reliable and more stable (not influenced by ambient temperature) of reaction velocity, and batch production is stable.
(2) vehicle detection and parking stall bootstrap technique
Parking stall guides also known as stopping guide, is a kind ofly to enter parking lot by truck space guiding system technology and equipment guided vehicle and the intellectual technology searching out that empty parking space carries out parking.Truck space guiding system carries out stopping guide by a whole set of perfect equipment to driver, generally by parking lot detector, parking stall situation is detected, real-time residue empty parking space information is shown with the LED parking space guide screen of field by being positioned at outside parking lot, the parking stall pilot lamp arranged by each parking stall again indicates the real-time full state of parking stall sky, thus instruction driver is easily stopped.The method realizing parking stall detection has the various ways such as ultrasonic listening, infrared acquisition, ground induction coil detection, video detection and radio frequency detection.
(3) detection signal transmission in the market usually adopts HPB bus (LifeView photoelectricity), 485 buses, and HPB bus is self-defined by enterprise, as needed expansion, needs to adopt this enterprise product, poor expandability; Also there is the problem of extendability difference in 485 buses.
Summary of the invention
The object of the invention is to propose a kind of underground parking LED illumination based on ad hoc network and guidance system and method, this system is based on genetic algorithm optimum path planning, in conjunction with the radar exploration technique, Zigbee network, DALI light adjusting system, realize vehicle parking guiding function, DALI light adjusting system is applied to LED lamp, the light modulation to region or single led light fixture can be realized, thus realize energy-saving and cost-reducing.
The technical solution used in the present invention is:
A kind of underground parking LED illumination based on ad hoc network and guidance system, comprise LED lamp, parking path planning and guidance system, be arranged in parking lot and outside parking lot for explicitly descending the LCD liquid crystal display screen of parking position information of park, it is characterized in that, this system also comprises the parking stall detecting terminal, DALI light adjusting system, the central server of the two gateway of band, the ZIGBEE wireless communication networks that is made up of ZIGBEE module that are arranged on ultrasonic sensor in each parking stall;
(1) the integrated radar detection sensor of LED lamp, is arranged on travel path upper end, parking lot;
(2) central server adopts Embedded System Structure, has two gateway function, and central server adopts DALI agreement to communicate with DALI light adjusting system, realizes carrying out with an automatic light meter to multiple LED lamp; Central server adopts ZIGBEE wireless communication mode to communicate to multiple parking stalls detecting terminal.
Based on underground parking LED illumination and the bootstrap technique of ad hoc network, it is characterized in that, comprising:
(1) when not having vehicles while passing, LED lamp is in electricity-saving state;
(2) when there being vehicle to advance in LED lamp radar detection area, radar detection sensor is known and is sensed vehicle-state, by the LED lamp brightness regulation of travel zone to highlighted state, send by DALI data link the information of vehicles detected to central server simultaneously;
(3) central server is after the information of vehicles receiving radar detection sensor transmission, Automatically invoked parking path planning and guidance system, by searching inner embedded empty parking space database, traffic according to current vehicle location and current parking lot carries out empty parking space distribution and path planning, after determining optimal path, start truck space guiding system, central server sends instruction by DALI data link to LED lamp, the guiding of driving parking stall has been carried out by the mode of the LED brightness in adjustment course, keep the LED brightness beyond optimal path constant,
(5) when vehicle stops into parking stall according to course, with the parking stall detecting terminal of ultrasonic sensor, stop there is vehicle by detection of the backscatter signal to current parking stall, and send parking space state information and information of vehicles by ZIGBEE wireless network to central server;
(6) after central server receives the data of parking stall detecting terminal generation, automatically upgrade embedded empty parking space database, calculate number of empty spaces certificate, transmit number of empty spaces certificate to the LCD liquid crystal display screen be arranged in parking lot and outside parking lot simultaneously.
Advantage of the present invention is as follows:
1. adopt Zigbee wireless network, ZigBee technology is the radio network technique of a kind of short distance, low rate, there is the wireless communication technology of uniform technical standards, on network construction, what it was selected is " starlike networking " scheme, by radiowave, data are passed to another economize on electricity from a sensor in the mode of relay, Zigbee network has the features such as low in energy consumption, cost is low, data transmission is reliable, network capacity is large, is applicable to very much the use of illuminator.
2.DALI light adjusting system is digital address signal light control interface, and this agreement defers to the regulation in IEC60929, with better function, and extendability is better.By DALI light adjusting system, single lamp or arbitrary lamp group are divided into groups and carry out accurate light modulation and switch control rule, no matter these light fixtures are same loop or different circuit on forceful electric power.DALI light adjusting system is that Lighting control brings great dirigibility, user can indiscriminately ad. as one wishes design the illumination scheme meeting its demand as required, even install still can change control requirement arbitrarily in the operational process after terminating, and any change need not be done to circuit.Because system architecture is simple, without the need to lighting control box or light-adjusting box, and traditional wire laying mode can be retained, therefore the application of DALI technology can realize simplifying installation procedure, reduce wiring cost, shorten debug time, realize the function that many intelligent lighting systems based on circuit controls cannot realize.
3. based on genetic algorithm optimum path planning, in conjunction with the radar exploration technique, Zigbee network, DALI light adjusting system, realize vehicle parking guiding function, native system completes traveling guidance by the mode of adjustment LED brightness, LED brightness beyond optimal path is constant, to reduce power consumption.And current product on the market, region or overall brightness adjustment can only be carried out at most, brightness regulation cannot be carried out according to path.The design of this integration of native system simultaneously, will greatly reduce the quantities of parking lot transformation, reduces wiring complexity.
Accompanying drawing explanation
Fig. 1 is that the present invention proposes underground parking LED illumination based on ad hoc network and guidance system structural representation;
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the present invention further.
As shown in Figure 1, a kind of underground parking LED illumination based on ad hoc network and guidance system, comprise the LED module be made up of some independent subelements, often organizes LED module and be made up of some LED; Also comprise parking path planning and guidance system (not shown in FIG.), be arranged in parking lot and outside parking lot for explicitly descending the LCD liquid crystal display screen of parking position information of park, be arranged on central server, the ZIGBEE wireless communication networks be made up of ZIGBEE module, photosensitive illuminance transducer, the infrared sensor of the human body of parking stall detecting terminal with ultrasonic sensor in each parking stall, DALI light adjusting system, the two gateway of band.
Central server adopts Embedded System Structure, adopt STM32 processor, and adopt UCOSII operating system and built-in MYSQL database, and there is two gateway function, central server adopts DALI agreement to communicate with DALI light adjusting system, realizes carrying out with an automatic light meter to multiple LED lamp; Central server adopts ZIGBEE wireless communication mode to communicate to multiple parking stalls detecting terminal.ZIGBEE module and central server adopt serial communication mode; Central server adopts data line and pilot wire system Direct driver LCD liquid crystal display screen to carry out man-machine interactively interface.
DALI light adjusting system comprises the some DALI dimming driving circuits be built in LED lamp, and each DALI dimming driving circuit adopts paralleling model.DALI dimming driving circuit can be used for realizing carrying out accurate light modulation and switch control rule to the single lamp in oneself subelement or arbitrary lamp group.DALI light adjusting system and central server adopt serial communication mode.
System adopts radar and human body infrared induction pick-up to realize mobile identification and the position tracking collection of people's car thing; Light sensor is adopted to gather area illumination physical environment illuminance information.The integrated radar detection sensor of LED lamp, is arranged on travel path upper end, parking lot; LED lamp is in electricity-saving state at ordinary times, once there be vehicle to advance in search coverage, radar detection sensor is known and sensed vehicle-state.
Based on the underground parking LED illumination of above-mentioned ad hoc network and the method for guidance system, comprising:
(1) when not having vehicles while passing, LED lamp is in electricity-saving state;
(2) when there being vehicle to advance in LED lamp radar detection area, radar detection sensor is known and is sensed vehicle-state, by the LED lamp brightness regulation of travel zone to highlighted state, the information of vehicles simultaneously will detected, as the information such as the number-plate number or parking card sends central server to by the DALI data link in DALI light adjusting system;
(3) central server is after the information of vehicles receiving radar detection sensor transmission, Automatically invoked parking path planning and guidance system, by searching inner embedded empty parking space database, traffic according to current vehicle location and current parking lot carries out empty parking space distribution and path planning, after determining optimal path, start truck space guiding system, central server sends instruction by DALI data link to LED lamp, has been carried out the guiding of driving parking stall by the mode of the LED brightness in adjustment course; Keep the LED brightness beyond optimal path constant; The mode of the LED brightness in adjustment course has carried out the guiding of driving parking stall, refers to that the mode of being undertaken glimmering by LED lamp completes the guiding of vehicle.
(4) when vehicle stops into parking stall according to course, with the parking stall detecting terminal of ultrasonic sensor, stop there is vehicle by detection of the backscatter signal to current parking stall, and send parking space state information and information of vehicles by ZIGBEE wireless network to central server;
(5) after central server receives the data of parking stall detecting terminal generation, automatically upgrade embedded empty parking space database, calculate number of empty spaces certificate, transmit number of empty spaces certificate to the LCD liquid crystal display screen be arranged in parking lot and outside parking lot simultaneously.
Path planning refers to cooks up a feasible path the shortest, and need when path planning to judge feasible path and infeasible path, infeasible path refers to the path having intersection point or collision with the outline line of barrier.Using the feasible route of shortest path as optimal path.Optimal path adopts genetic algorithm to calculate the shortest path of vehicle to parking stall.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (10)
1. the underground parking LED illumination based on ad hoc network and guidance system, comprise LED lamp, parking path planning and guidance system, be arranged in parking lot and outside parking lot for explicitly descending the LCD liquid crystal display screen of parking position information of park, it is characterized in that, this system also comprises the parking stall detecting terminal, DALI light adjusting system, the central server of the two gateway of band, the ZIGBEE wireless communication networks that is made up of ZIGBEE module that are arranged on ultrasonic sensor in each parking stall;
(1) the integrated radar detection sensor of LED lamp, is arranged on travel path upper end, parking lot;
(2) central server adopts Embedded System Structure, has two gateway function, and central server adopts DALI agreement to communicate with DALI light adjusting system, realizes carrying out with an automatic light meter to multiple LED lamp; Central server adopts ZIGBEE wireless communication mode to communicate to multiple parking stalls detecting terminal.
2. a kind of underground parking LED illumination based on ad hoc network according to claim 1 and guidance system, it is characterized in that, DALI light adjusting system comprises some DALI dimming driving circuits, DALI dimming driving circuit is built in LED lamp, can be used for realizing carrying out accurate light modulation and switch control rule to the single lamp in oneself subelement or arbitrary lamp group; Each DALI dimming driving circuit adopts paralleling model.
3. a kind of underground parking LED illumination based on ad hoc network according to claim 1 and guidance system, is characterized in that, central server adopts STM32 processor, and adopts UCOSII operating system and built-in MYSQL database.
4. a kind of underground parking LED illumination based on ad hoc network according to claim 1 and guidance system, it is characterized in that, DALI light adjusting system and central server adopt serial communication mode; ZIGBEE module and central server adopt serial communication mode; Central server adopts data line and pilot wire system Direct driver LCD liquid crystal display screen to carry out man-machine interactively interface.
5. a kind of underground parking LED illumination based on ad hoc network according to claim 1 and guidance system, it is characterized in that, underground parking LED illumination and guidance system also comprise photosensitive illuminance transducer, infrared sensor of the human body.
6., based on underground parking LED illumination and the bootstrap technique of ad hoc network, it is characterized in that, comprising:
(1) when not having vehicles while passing, LED lamp is in electricity-saving state;
(2) when there being vehicle to advance in LED lamp radar detection area, radar detection sensor is known and is sensed vehicle-state, by the LED lamp brightness regulation of travel zone to highlighted state, send by DALI data link the information of vehicles detected to central server simultaneously;
(3) central server is after the information of vehicles receiving radar detection sensor transmission, Automatically invoked parking path planning and guidance system, by searching inner embedded empty parking space database, traffic according to current vehicle location and current parking lot carries out empty parking space distribution and path planning, after determining optimal path, start truck space guiding system, central server sends instruction by DALI data link to LED lamp, the guiding of driving parking stall has been carried out by the mode of the LED brightness in adjustment course, keep the LED brightness beyond optimal path constant,
(4) when vehicle stops into parking stall according to course, with the parking stall detecting terminal of ultrasonic sensor, stop there is vehicle by detection of the backscatter signal to current parking stall, and send parking space state information and information of vehicles by ZIGBEE wireless network to central server;
(5) after central server receives the data of parking stall detecting terminal generation, automatically upgrade embedded empty parking space database, calculate number of empty spaces certificate, transmit number of empty spaces certificate to the LCD liquid crystal display screen be arranged in parking lot and outside parking lot simultaneously.
7. a kind of underground parking LED illumination based on ad hoc network according to claim 6 and bootstrap technique, it is characterized in that, information of vehicles refers to the number-plate number or parking card.
8. a kind of underground parking LED illumination based on ad hoc network according to claim 6 and bootstrap technique, it is characterized in that, the mode of the LED brightness in adjustment course has carried out the guiding of driving parking stall, refers to that the mode of being undertaken glimmering by LED lamp completes the guiding of vehicle.
9. a kind of underground parking LED illumination based on ad hoc network according to claim 6 and bootstrap technique, is characterized in that, path planning refers to cooks up a feasible path the shortest, and constraint condition is that path is not collided with barrier; Using the shortest route in path as optimal path.
10. a kind of underground parking LED illumination based on ad hoc network according to claim 9 and bootstrap technique, is characterized in that, optimal path adopts genetic algorithm to calculate the shortest path of vehicle to parking stall.
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| CN105182294A (en) * | 2015-09-15 | 2015-12-23 | 浙江嘉乐智能技术有限公司 | Wireless-control-based radar equipment adjusting device and method |
| CN105632240A (en) * | 2016-03-18 | 2016-06-01 | 柳州易旺科技有限公司 | Parking place sensing system |
| CN105761542A (en) * | 2016-04-21 | 2016-07-13 | 深圳市远东华强导航定位有限公司 | Intelligent positioning, parking and reverse vehicle seeking guiding system for parking lot |
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Application publication date: 20150211 |