CN102930744B - Parking plot guiding and reverse vehicle tracking method for parking lot - Google Patents

Parking plot guiding and reverse vehicle tracking method for parking lot Download PDF

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Publication number
CN102930744B
CN102930744B CN201210461909.8A CN201210461909A CN102930744B CN 102930744 B CN102930744 B CN 102930744B CN 201210461909 A CN201210461909 A CN 201210461909A CN 102930744 B CN102930744 B CN 102930744B
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China
Prior art keywords
vehicle
parking stall
parking
information
card
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CN201210461909.8A
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Chinese (zh)
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CN102930744A (en
Inventor
刘世国
周向臣
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北京天一众合科技股份有限公司
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Publication of CN102930744A publication Critical patent/CN102930744A/en
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Publication of CN102930744B publication Critical patent/CN102930744B/en

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Abstract

The invention provides a parking plot guiding and reverse vehicle tracking method for a parking lot. After a vehicle enters the parking plot and parks in place, a system can store the association of the parking plot and the vehicle; and after a driver returns to the parking lot, the parking plot of the vehicle can be acquired by a vehicle inquiry machine. According to the parking plot guiding and reverse vehicle tracking method disclosed by the invention, a vehicle guiding function and a reverse vehicle tracking function are integrated; and the intelligence and the efficiency of parking management are greatly improved by using a wireless parking plot detection card, a wireless vehicle identification card, a parking plot guiding screen and the vehicle inquiry machine.

Description

Parking stall for parking lot guides and oppositely seeks car method

Technical field

The present invention relates to parking lot management field, particularly relate to a kind of parking stall for parking lot and guide and oppositely seek car method.

Background technology

At present, along with the raising of expanding economy and living standards of the people, vehicle in society gets more and more, and particularly in densely populated downtown areas, vehicle rolls up, and increasing along with automobile, in order to avoid automobile takies road, a lot of place all establishes large parking lot, and is generally underground parking or parking garage, or even multilayer, multizone large parking lot also to continue appearance, the problem of " parking difficulty " and " seeking car difficulty " produces thereupon thus:

1, driver can not find idle parking stall after entering parking lot, and invalid traveling finds empty parking space in parking lot, the problem such as cause parking lot channel congestion, air ambient severe.Current parking stall guides based on stall testing apparatus, namely each parking stall there is a stall testing apparatus, for detecting in corresponding parking stall whether have vehicle, then by converging information to main control equipment, main control equipment control information display screen issue empty parking space information.Such stall testing apparatus is most based on infrared acquisition and ultrasonic listening, also had based on geomagnetism detecting in the last few years, but these pick-up units all can only realize parking stall measure, associating of vehicle and parking stall can not be realized, that is to say and can not realize oppositely seeking car, stall testing apparatus only based on image recognition could realize oppositely seeking car, but, stall testing apparatus based on image recognition needs to install camera on each parking stall, exist great in constructing amount, wiring is complicated, power consumption is high, high cost problem, in addition when bias light intensity is crossed weak or excessively strong, image recognition accuracy rate is lower.

2, when driver return pick up the car time, due to inner part of parking lot situation more complicated, be for the moment difficult to again the parking stall finding oneself vehicle fast, cause time waste, mood irritable, reduce the problems such as parking lot efficiency of operation.At present, the parking lot of more than 90% is imported and exported management system and is all used radio-frequency (RF) identification (RFID, Radio Frequency Identification) technology, this system uses a kind of ticket card including RFID chip to carry out the vehicles while passing of managing parking field, its object was just charged before leaving parking lot to vehicle, did not relate to location and the application of vehicle parking position in parking lot completely.Therefore, existing underground parking course management system cannot assist driver to find its vehicle fast in the large parking lot that park hundreds and thousands of vehicle.

Current car method of oppositely seeking mainly contains following several mode:

1, utilize in parking lot the locating terminal of swiping the card being distributed in regional, carry out location of swiping the card.Client initiatively swipes the card after stopping location on the locating terminal of swiping the card of respective regions, only again need swipe the card on inquiry terminal and just can obtain parking position information when seeking car.

2, by the appropriate location in parking lot, multiple RFID reader is installed, covered in the read range of these RFID reader to make each parking stall.Client will get two cards, and an active RFID card stays the position just can locating this vehicle onboard, and is inquired about on inquiry terminal by the another card associated with it.

3, pass through car park areas subregion, and a localization machine (first-selected bar code printer) is set in each region, client obtains a voucher (such as a bar code) from the localization machine of corresponding region after stopping, and only just need can obtain corresponding parking position information by guiding machine-readable voucher (such as scanning barcode) when looking for vehicle.

But above-mentioned several mode all needs by other positioning object, and parking stall guiding is found together with these two function i ntegration with vehicle.

In addition, in prior art, also there is another kind of vehicle positioning technology, i.e. global position system (GPS).But it is that cost is high that GPS solves the maximum shortcoming of vehicle location, technical sophistication, and indoor or underground parking cannot receive GPS positioning signal, and GPS technology therefore also just cannot be utilized to realize underground parking vehicle search function.

Summary of the invention

The present invention produces in view of above-mentioned technical matters.The object of the invention is to propose a kind of parking stall for parking lot guide and oppositely seek car method, guide in order to realize vehicle and oppositely seek the integrated of car function, improving degree of intelligence and the efficiency of parking management, improving the efficiency that driver seeks car simultaneously.

Embodiments of the invention provide a kind of parking stall for parking lot guide and oppositely seek car method, comprising: after vehicle enters parking lot, and vehicle driver finds empty parking space according to the parking space information that parking space guide screen is pointed out; After vehicle enters empty parking space, the parking stall measure card in parking stall has detected that vehicle enters parking stall, then send parking space information to the vehicles identifications card on the vehicle entering this parking stall; Vehicles identifications clamping is returned the vehicle to the garage and knock off the parking space information that test card sends, and then the related information of parking stall and vehicle is uploaded to radio communication base station by radio channel, the related information of the parking stall received and vehicle is transmitted to main control computer by radio communication base station; The related information of parking stall and vehicle is sent to vehicle query machine by main control computer in real time, and the information in vehicle query machine is constantly updated; When vehicle driver picks up the car to parking lot, vehicle query machine inputs the parking stall that oneself information of vehicles or personally identifiable information stop with enquiring vehicle; Query Result is shown to vehicle driver by vehicle query machine.

Further, parking stall for parking lot of the present invention guides and oppositely seeks car method and also comprises: after parking stall measure card has detected that vehicle enters parking stall, there being car information to send to parking space state pilot lamp on parking stall, parking space state pilot lamp is made to change into corresponding state.

Further, parking stall for parking lot of the present invention guides and oppositely seeks car method and also comprises: when vehicle leaves parking stall, parking stall measure card detects without car on corresponding parking stall, then send to parking space state pilot lamp without car information, makes parking space state pilot lamp change into corresponding state.

Further, parking stall for parking lot of the present invention guides and oppositely seeks car method and also comprises: adopt LF communication between described parking stall measure card and vehicles identifications card, the coverage of low frequency signal is adjusted by the emissive power arranging the low frequency signal that parking stall measure card sends, thus the scope of LF communication is limited in the scope of a parking stall, the low frequency signal that the parking stall measure card that the vehicles identifications card be namely parked in the vehicle on certain parking stall can only receive the installation of this parking stall sends.

Further, guide in the parking stall for parking lot of the present invention and oppositely seek in car method, when driver return pick up the car time, by the individual digital of the touch-screen on vehicle query machine or the input through keyboard number-plate number or the number-plate number, vehicle query machine carries out fuzzy matching the similar number-plate number, show multiple number-plate number and vehicle pictures on the touchscreen, after driver browses, select correct information of vehicles, the vehicle of quick position oneself, vehicle query machine provides the best and seeks bus or train route line subsequently, seek bus or train route line map and navigation way sign, or route and the step of car is sought with word and speech explanation.

Further, the parking stall for parking lot of the present invention guides and oppositely seeks car method and also comprises: driver prints Query Result and seeks bus or train route line chart on vehicle query machine;

Further, the parking stall for parking lot of the present invention guides and oppositely seeks car method and also comprises: camera picked-up enters the image information of the vehicle in parking lot, and the vehicle image information of picked-up is sent to main control computer; Main control computer adopts image recognition technology to extract license plate number from vehicle image information, so that the license plate number information just obtained is written in vehicles identifications card by the managerial personnel at Entrance place or automatic card dispenser, this vehicles identifications card with license plate number information is sent to the driver of vehicle subsequently, and vehicle driver is just entered parking lot by letting pass after taking vehicles identifications card.

Compared with prior art, the parking stall for parking lot of the present invention guides and oppositely seeks car method and has following beneficial effect:

(1) present invention achieves vehicle guide and oppositely seek the integrated of car function, utilize wireless parking stall measure card, wireless vehicles identifications card, parking space guide screen and vehicle query machine, substantially increase degree of intelligence and the efficiency of parking management, also reduce the energy consumption of difficulty of construction and system simultaneously.Meanwhile, method of the present invention is easy to use, the action request that not need driver to swipe the card etc. unnecessary, overcomes positioning system of swiping the card and forgets and swipe the card and can not find the difficult problem of car.

(2) in the present invention, can be according to requirements, the low frequency signal coverage in LF communication portion is adjusted by the emissive power arranging the low frequency signal that LF communication portion sends, can the scope of LF communication be limited in the scope of a parking stall thus, so the low frequency signal that the parking stall measure card that the vehicles identifications card be parked in the vehicle on certain parking stall can only receive the installation of this parking stall sends, which define a parking stall and can only associate a car, the situation that parking stall can be avoided thus to associate with vehicle error occurs.

(3) the present invention is by adopting license plate number Method of Fuzzy Matching, thus avoid because identify that license plate number causes driver to inquire about situation less than vehicle institute parking stall by mistake, is convenient to driver and seeks car, add the efficiency of management in parking lot.In addition, the vehicle query machine in the present invention, after driver selects correct information of vehicles, can provide the best and seek bus or train route line, and driver can also be printed Query Result and be sought bus or train route line chart simultaneously, substantially increases the efficiency that driver seeks car thus.

Accompanying drawing explanation

In conjunction with accompanying drawing subsequently, above-mentioned and other object of the present invention, feature and advantage apparently can be drawn from detailed description below.In the accompanying drawings:

Fig. 1 shows the composition frame chart of the parking system implemented parking stall of the present invention guiding and oppositely seek car method;

Fig. 2 shows the function composition frame chart of the parking stall measure card in parking system;

Fig. 3 shows the function composition frame chart of the vehicles identifications card in parking system.

Fig. 4 shows the process flow diagram that the parking stall for parking lot of the present invention guides and oppositely seeks car method.

Embodiment

For a more complete understanding of the present invention and advantage, below in conjunction with drawings and the specific embodiments, the present invention is described in detail.

First, with reference to figure 1, be described in detail with the parking system oppositely seeking car method implementing parking stall of the present invention guiding.

Implement parking stall of the present invention guiding to comprise with the parking system oppositely seeking car method: parking space state pilot lamp 1, parking stall measure card 2, vehicles identifications card 3, radio communication base station 4, main control computer 5, camera 6, vehicle query machine 7, parking space guide screen 8.Wherein:

Parking space state pilot lamp 1 is arranged on front or the top of each parking stall, is used to indicate the using state of corresponding parking stall.Described parking space state pilot lamp can be control by parking stall measure card 2, now parking space state pilot lamp 1 has the radio communication portion carrying out with parking stall measure card 2 communicating, when vehicle enters or leave parking stall, parking stall measure card 2 detects corresponding parking stall there is car or without car in real time, then having car information or sending to parking space state pilot lamp 1 without car information by radio communication portion, parking space state pilot lamp 1 will change into corresponding state.Described parking space state pilot lamp also can be control by main control computer 5, it is connected with main control computer 5 by 485 buses or ethernet line, now, described parking space state pilot lamp controls the state of parking space state lamp according to the instruction that main control computer 5 sends.Further, parking space state pilot lamp 1 generally uses LED group, and its state change can have multiple form, and as when there is a car parking stall, color is for red, parking stall becomes green without color during car; Or have during car and extinguish, light without during car; Or represent disabled person parking stall by blueness, green flicker represents RESERVED etc.Parking space state change of the present invention is not limited to above-mentioned state, and function can define as required flexibly.

Described parking stall measure card 2, side, parking stall or top is arranged on during use, on the ground that also can be arranged in parking stall had, it can based on geomagnetism detecting, also can be based on infrared or ultrasound examination, can power consumption be accomplished very based on geomagnetism detecting and infrared detection low, battery can be used power.Communication between parking stall measure card 2 and parking space state pilot lamp 1, vehicles identifications card 3, radio communication base station 4 is all adopt radio communication, and therefore whole parking stall measure card 2 can be that outside does not have line.The presence or absence that parking stall measure card 2 to be got on the bus for detecting parking stall, after vehicle enters an empty parking space, physical environment on this parking stall will change, when parking stall measure card 2 has detected that vehicle enters parking stall, the occupied information in parking stall will be sent by the radio communication portion on it to radio communication base station 4 and parking space state lamp 1, parking space information can be sent by LF communication portion to the vehicles identifications card 3 on the vehicle entering this parking stall simultaneously.In addition, when vehicle leaves parking stall, parking stall measure card 2 detects without car on corresponding parking stall in real time, then sends to parking space state pilot lamp 1 without car information by radio communication portion, and parking space state pilot lamp will change into corresponding state 1.In the present invention, the scope of LF communication is limited in the scope of a parking stall, so the vehicles identifications card be parked in the vehicle on certain parking stall can only receive the low frequency signal that parking stall measure card that this parking stall is installed sends, which define a parking stall and can only associate a car.Concrete structure for parking stall measure card 2 will be introduced below further.

Described vehicles identifications card 3, be positioned over during use on vehicle, the inside store vehicle licence plate, driver status card number etc. information of vehicles, it can receive the parking space information that described parking stall measure card 2 sends, parking space information and information of vehicles can be uploaded to radio communication base station 4 by radio channel simultaneously, and then be uploaded to main control computer 5 by radio communication base station 4.Vehicles identifications card 3 can be the tag card that certain automobile is fixed, and be positioned over for a long time in particular automobile, the information of vehicles of the inside is changeless; Also can be vehicle system automatic distributing when entering parking lot, information of vehicles be inputted automatically by system, and information often can change because of the difference of vehicle.Vehicles identifications card 3 is in low-power consumption mode time flat, when after the low frequency signal receiving parking stall measure card 2 transmission, will enter normal mode.Vehicles identifications card 3 obtains parking space information from low frequency signal, then the low-frequency information received is verified, if effective parking space information, vehicles identifications card 3 will be uploaded to radio communication base station 4 by the radio communication portion on it the related information of parking stall and vehicle, and radio communication base station 4 all uploads to main control computer 5 the information of the parking stall measure card received and vehicles identifications card.Parking stall measure card 2 and vehicles identifications card 3, after parking stall and information of vehicles are successfully uploaded to radio communication base station 4, just all enter low-power consumption mode, can reach the object of power saving like this, also can extend the service time of card simultaneously.Concrete structure for vehicles identifications card 3 will be introduced below further.

Described radio communication base station 4 connects main control computer 5 and vehicles identifications card 3 and parking stall measure card 2, realizes the conversion of signal form and the diversity of card information.Described radio communication base station 4 is for uploading to main control computer 5 by the parking stall received from parking stall measure card 2 and vehicles identifications card 3 and information of vehicles.System the scale etc. in such as parking lot according to actual needs can arrange the number of radio communication base station.Usually, a base station can manage tens even up to a hundred parking stall measure cards and vehicles identifications cards.

Described main control computer 5 is control centers of system, for receiving and processing the parking stall and information of vehicles that radio communication base station 4 uploads, and send to parking space guide screen 8 to issue parking space information in real time, simultaneously also real-time parking stall and information of vehicles are sent to vehicle query machine 7, the information in vehicle query machine 7 is constantly updated.Main control computer also for controlling the restrictor bar of gateway, parking lot, and can be used for calculating down time and expense.In addition, Master Control Center 5 is also for receiving the vehicle image information that camera 6 sends, and adopt image recognition technology to extract license plate number from vehicle image information, so that the license plate number information just obtained is written in vehicles identifications card 3 by the managerial personnel at Entrance place or automatic card dispenser, this vehicles identifications card 3 with license plate number information is sent to the driver of vehicle subsequently, and vehicle driver is just entered parking lot by letting pass after taking vehicles identifications card 3.

The vehicle image information of picked-up for absorbing the image information of the vehicle entering parking lot, and is sent to main control computer 5 by described camera 6.Camera 6 is generally arranged on the ad-hoc locations such as gateway, parking lot, and all vehicles can only enter camera shot region with same direction and position, for correct, this identifies that information of vehicles also provides guarantee.

Described vehicle query machine 7, for receiving the vehicle and parking space information that main control computer 5 sends out.Vehicle query machine 7 provides Man Machine Interface, and driver can by relevant informations such as the license plate number of touch-screen or input through keyboard oneself or I.D.s, and enquiry machine will demonstrate the position of corresponding storing cycle, and provides recommended route.Specifically, the personnel such as lift port, stairs port, hall that vehicle query machine 7 is generally arranged on buildings enter parking lot only way which must be passed.The electronic chart in vehicle and parking space information and parking lot is preserved in vehicle query machine 7, when driver return pick up the car time, only need by the number-plate number of touch-screen or input through keyboard oneself, or the individual digital of the number-plate number, system will carry out fuzzy matching the similar number-plate number, show multiple number-plate number and vehicle pictures on the touchscreen, after driver browses, select correct information of vehicles, the vehicle of quick position oneself, system provides the best subsequently and seeks bus or train route line, seek bus or train route line map and navigation way sign, also route and the step of car can be sought with word and speech explanation.Further, the all right expanded function of vehicle query machine 7 of the present invention, as print Query Result and seek bus or train route line chart, self-help charging, idle period broadcast advertisement, neighbouring market and mansion briefing, print the consumption reward voucher etc. in market, can expand according to actual conditions.

Described parking space guide screen 8 is for the parking space information that receives main control computer 5 and send over and path indication information, and show the information of vacant parking stall in real time in modes such as word, symbol, speech explanation, figure or videos and arrive the information of vacant parking stall traffic route on a display screen, provide guiding to vehicle operator.

Below, with reference to figure 2, the function composition frame chart of the parking stall measure card 2 in parking system is described further.

As shown in Figure 2, parking stall measure card 2 comprises processor 22, vehicle detection element 23, LF communication portion 24 and radio communication portion 25.In addition, parking stall measure card 2 also can comprise battery 21, for powering for parking stall measure card 2.Certainly, also can be powered to parking stall measure card 2 by wire by external power source.Processor 22 is CPU (central processing unit) of parking stall measure card 2, for controlling detection, communication and information processing.The presence or absence that vehicle detection element 23 to be got on the bus for detecting parking stall, specifically can adopt the mode of earth induction to detect, the mode of infrared detection or ultrasound examination also can be adopted to detect.After vehicle enters an empty parking space, physical environment on this parking stall will change, when vehicle detection element 23 has detected that vehicle enters parking stall, the occupied information in parking stall will be sent by the radio communication portion 25 on it to radio communication base station 4 and parking space state lamp 1, parking space information can be sent by LF communication portion 24 to the vehicles identifications card 3 on the vehicle entering this parking stall simultaneously.In addition, when vehicle leaves parking stall, parking stall measure card 2 detects without car on corresponding parking stall in real time, then sends to parking space state pilot lamp 1 without car information by radio communication portion 25, and parking space state pilot lamp 1 will change into corresponding state.Radio communication portion 25 is for realizing the wireless transmission of information between parking stall measure card 2 and radio communication base station 4, and specifically, radio communication portion 25 is for sending parking space information to radio communication base station 4.In addition, the parking space information of radio communication portion 25 also for being detected by vehicle detection element 23 sends to parking space state pilot lamp 1 in real time, to make parking space state pilot lamp 1 change state in time.LF communication portion 24 is for realizing the radio communication between parking stall measure card 2 and vehicles identifications card 3, specifically, when vehicle detection element 23 has detected that vehicle enters parking stall, parking space information will be sent by LF communication portion 24 to the vehicles identifications card 3 on the vehicle entering this parking stall.In the present invention, can be according to requirements, the low frequency signal coverage in LF communication portion 24 is adjusted by the emissive power arranging the low frequency signal that LF communication portion 24 sends, can the scope of LF communication be limited in the scope of a parking stall thus, so the low frequency signal that the parking stall measure card that the vehicles identifications card be parked in the vehicle on certain parking stall can only receive the installation of this parking stall sends, which define a parking stall and can only associate a car, the situation that parking stall can be avoided thus to associate with vehicle error occurs.

Below, with reference to figure 3, in parking system the function composition frame chart of vehicles identifications card 3 describe further.

As shown in Figure 3, vehicles identifications card 3 comprises processor 32, storer 33, LF communication portion 34 and radio communication portion 35.In addition, vehicles identifications card 3 also can comprise battery 31, for powering for vehicles identifications card 3.Processor 32 is CPU (central processing unit) of vehicles identifications card 3, for controlling communication and information processing.Storer 33 for store car information, the information such as the licence plate of such as vehicle, driver status card number.In addition, storer 34 can also be used for storing the parking space information received from parking stall measure card 2.Radio communication portion 35, for realizing the radio communication between vehicles identifications card 3 and radio communication base station 4, specifically, radio communication portion 35 is for sending parking space information and information of vehicles to radio communication base station 4.The wireless signal that LF communication portion 34 sends for receiving parking stall measure card 2, parking space information is obtained from low frequency signal, then the low-frequency information received is verified, if effective parking space information, then by parking space information and information of vehicles association store in storer 34, by radio communication portion 35, the related information of parking stall and vehicle is uploaded to radio communication base station 4 simultaneously.

Below, with reference to figure 4, parking stall of the present invention is guided and oppositely seeks car method flow be described in detail.

Parking stall for parking lot of the present invention guides and oppositely seeks car method, comprises the following steps:

S400: after vehicle enters parking lot, vehicle driver finds empty parking space according to the parking space information that parking space guide screen is pointed out;

S402: after vehicle enters empty parking space, the parking stall measure card in parking stall has detected that vehicle enters parking stall, then send parking space information to the vehicles identifications card on the vehicle entering this parking stall;

S404: vehicles identifications clamping is returned the vehicle to the garage and knock off the parking space information that test card sends, then the related information of parking stall and vehicle is uploaded to radio communication base station by radio channel, the related information of the parking stall received and vehicle is transmitted to main control computer by radio communication base station;

S406: the related information of parking stall and vehicle is sent to vehicle query machine by main control computer in real time, makes the information in vehicle query machine constantly update;

S408: when vehicle driver picks up the car to parking lot, vehicle query machine inputs the parking stall that oneself information of vehicles or personally identifiable information stop with enquiring vehicle; Query Result is shown to vehicle driver by vehicle query machine.

It is below the specific embodiment that parking stall of the present invention guided and oppositely sought car method.

When an automobile enters parking lot, the camera at Entrance place can be taken pictures to vehicle, and photo upload to main control computer, and main control computer extracts license plate number by image recognition technology; If vehicle tag card do not placed by this car, the managerial personnel of parking card porch or automatic card chance write a vehicles identifications card the license plate number that main control computer has just obtained, and this vehicles identifications card being issued the driver of vehicle, vehicle driver is just entered parking lot by letting pass after taking vehicles identifications card.If this vehicle there has been the vehicles identifications card of write information of vehicles and driver's information, the main control computer of porch will read this vehicles identifications card by card-reading apparatus, if the information in tag card is effective, vehicle will be entered parking lot by clearance.

After vehicle enters parking lot, vehicle driver can find empty parking space according to the state of the information that parking space guide screen is pointed out and parking space state lamp.The parking stall measure card that parking stall is installed can detect the presence or absence of vehicle always, after vehicle enters an empty parking space, physical environment on this parking stall will change, when parking stall measure card has detected that vehicle enters parking stall, the occupied information in parking stall will be sent by the radio communication portion on it to radio communication base station and parking space state lamp, parking space information can be sent by LF communication portion to the vehicles identifications card on the vehicle entering this parking stall simultaneously.Vehicles identifications card is in low-power consumption mode at ordinary times, after receiving the low frequency signal that LF communication portion sends, normal mode will be entered, receive the parking space information of carrying in low frequency signal, vehicles identifications card can verify the low-frequency information received, if effective parking space information, vehicles identifications card will be uploaded to radio communication base station by the radio communication portion on it the related information of parking stall and vehicle, radio communication base station all uploads to main control computer the information of the parking stall measure card received and vehicles identifications card, main control computer is being analyzed the information received, if the information of vehicle detection card and parking stall tag card all meets the logic reserved in advance, main control computer will be published to parking space guide screen and vehicle query machine parking stall and information of vehicles, to upgrade parking stall guidance information and vehicle query data.Parking stall measure card and vehicles identifications are stuck in after a parking stall and information of vehicles successfully upload to radio communication base station, just all enter low-power consumption mode, can reach the object of power saving like this, also can extend the service time of card simultaneously.

When driver picks up the car to parking lot, if the unclear position how arriving oneself vehicle place from entrance of picking up the car fast, the vehicle query machine can installed near entrance inputs oneself information of vehicles or personally identifiable information, which position the vehicle that the screen of vehicle query machine will demonstrate this driver is specifically parked in, and provides the optimal route arriving corresponding parking stall.

When vehicle leaves parking stall, parking stall measure card detects on corresponding parking stall without car, radio communication base station and parking space state lamp will be uploaded to by radio communication portion without car information, parking space state lantern festival changes the state of parking space state lamp, radio communication base station can be uploaded to main control computer information, main control computer will release news to parking space guide screen and vehicle query machine, makes their more new datas, refreshes display; At EXIT place, card-reading apparatus can again read the content of vehicles identifications card in car and upload to main control computer, main control computer can calculate time and the expense of parking, simultaneously according to the card number of vehicles identifications card differentiate this vehicles identifications card be vehicle enter entrance time provide, and then judge to want to regain this tag card.After vehicle driver has handed over expense, vehicle has just been used parking lot by clearance.

Compared with prior art, the parking stall for parking lot of the present invention guides and oppositely seeks car method and has following beneficial effect:

(1) present invention achieves vehicle guide and oppositely seek the integrated of car function, utilize wireless parking stall measure card, wireless vehicles identifications card, parking space guide screen and vehicle query machine, substantially increase degree of intelligence and the efficiency of parking management, also reduce the energy consumption of difficulty of construction and system simultaneously.Meanwhile, method of the present invention is easy to use, the action request that not need driver to swipe the card etc. unnecessary, overcomes positioning system of swiping the card and forgets and swipe the card and can not find the difficult problem of car.

(2) in the present invention, can be according to requirements, the low frequency signal coverage in LF communication portion is adjusted by the emissive power arranging the low frequency signal that LF communication portion sends, can the scope of LF communication be limited in the scope of a parking stall thus, so the low frequency signal that the parking stall measure card that the vehicles identifications card be parked in the vehicle on certain parking stall can only receive the installation of this parking stall sends, which define a parking stall and can only associate a car, the situation that parking stall can be avoided thus to associate with vehicle error occurs.

(3) the present invention is by adopting license plate number Method of Fuzzy Matching, thus avoid because identify that license plate number causes driver to inquire about situation less than vehicle institute parking stall by mistake, is convenient to driver and seeks car, add the efficiency of management in parking lot.In addition, the vehicle query machine in the present invention, after driver selects correct information of vehicles, can provide the best and seek bus or train route line, and driver can also be printed Query Result and be sought bus or train route line chart simultaneously, substantially increases the efficiency that driver seeks car thus.

In addition, other advantages and amendment can apparently be drawn for the person of ordinary skill of the art.Therefore, the present invention with more extensive areas is not limited to shown and described illustrating and exemplary embodiment here.Therefore, when not departing from the spirit and scope of the general inventive concept defined by claim and equivalents thereof subsequently, various amendment can be made to it.

Claims (7)

1. the parking stall for parking lot guides and oppositely seeks a car method, comprises the following steps:
S400: after vehicle enters parking lot, vehicle driver finds empty parking space according to the parking space information that parking space guide screen is pointed out;
S402: after vehicle enters empty parking space, the parking stall measure card in parking stall has detected that vehicle enters parking stall, then send parking space information to the vehicles identifications card on the vehicle entering this parking stall;
S404: vehicles identifications clamping is returned the vehicle to the garage and knock off the parking space information that test card sends, then the related information of parking stall and vehicle is uploaded to radio communication base station by radio channel, the related information of the parking stall received and vehicle is transmitted to main control computer by radio communication base station;
S406: the related information of parking stall and vehicle is sent to vehicle query machine by main control computer in real time, makes the information in vehicle query machine constantly update;
S408: when vehicle driver picks up the car to parking lot, vehicle query machine inputs the parking stall that oneself information of vehicles or personally identifiable information stop with enquiring vehicle; Query Result is shown to vehicle driver by vehicle query machine;
Further, the parking stall measure card in described parking stall comprises first processor, vehicle detection element, the first LF communication portion and the first radio communication portion, wherein:
First processor is the CPU (central processing unit) of parking stall measure card, for controlling detection, communication and information processing;
Vehicle detection element, for adopting the presence or absence of vehicle on earth induction, infrared or ultrasound examination parking stall;
First LF communication portion, for realizing the LF communication between parking stall measure card and vehicles identifications card; When vehicle detection element testing enters parking stall to there being vehicle, the first LF communication portion will send parking space information to the vehicles identifications card on the vehicle entering this parking stall;
First radio communication portion, for sending parking space information to radio communication base station, realizes the wireless transmission of information between parking stall measure card and radio communication base station thus; First radio communication portion also for by vehicle detection element testing to parking space information send to parking space state pilot lamp in real time, change state in time to make parking space state pilot lamp;
Further, described vehicles identifications card comprises the second processor, storer, the second LF communication portion and the second radio communication portion, wherein:
Second processor is the CPU (central processing unit) of vehicles identifications card, for controlling communication and information processing;
Storer, for store car information and the parking space information that receives from parking stall measure clamping;
Second LF communication portion, for receiving the low frequency signal that parking stall measure card sends, from low frequency signal, obtaining parking space information, then the low-frequency information received being verified, if effective parking space information, then by parking space information and information of vehicles association store in storer;
Second radio communication portion, for sending the related information of parking stall and vehicle to radio communication base station.
2. the parking stall for parking lot according to claim 1 guides and oppositely seeks car method, and wherein step S402 also comprises:
After parking stall measure card has detected that vehicle enters parking stall, there being car information to send to parking space state pilot lamp on parking stall, parking space state pilot lamp is made to change into corresponding state.
3. the parking stall for parking lot according to any one of claim 1-2 guides and oppositely seeks car method, wherein further comprising the steps of:
When vehicle leaves parking stall, parking stall measure card detects without car on corresponding parking stall, then send to parking space state pilot lamp without car information, makes parking space state pilot lamp change into corresponding state.
4. the parking stall for parking lot according to any one of claim 1-2 guides and oppositely seeks car method, wherein:
LF communication is adopted between described parking stall measure card and vehicles identifications card, the coverage of low frequency signal is adjusted by the emissive power arranging the low frequency signal that parking stall measure card sends, thus the scope of LF communication is limited in the scope of a parking stall, the low frequency signal that the parking stall measure card that the vehicles identifications card be namely parked in the vehicle on certain parking stall can only receive the installation of this parking stall sends.
5. the parking stall for parking lot according to claim 1 guides and oppositely seeks car method, and wherein step S408 is specially:
When driver return pick up the car time, by the individual digital of the touch-screen on vehicle query machine or the input through keyboard number-plate number or the number-plate number, vehicle query machine carries out fuzzy matching the similar number-plate number, show multiple number-plate number and vehicle pictures on the touchscreen, after driver browses, select correct information of vehicles, the vehicle of quick position oneself, vehicle query machine provides the best and seeks bus or train route line subsequently, seek bus or train route line map and navigation way sign, or seek route and the step of car with word and speech explanation.
6. the parking stall for parking lot according to claim 5 guides and oppositely seeks car method, wherein after step S408, comprises step further:
S410: driver prints Query Result and seeks bus or train route line chart on vehicle query machine;
7. the parking stall for parking lot according to claim 1 guides and oppositely seeks car method, wherein comprises step in taking a step forward of step S400:
S300: camera picked-up enters the image information of the vehicle in parking lot, and the vehicle image information of picked-up is sent to main control computer; Main control computer adopts image recognition technology to extract license plate number from vehicle image information, so that the license plate number information just obtained is written in vehicles identifications card by the managerial personnel at Entrance place or automatic card dispenser, this vehicles identifications card with license plate number information is sent to the driver of vehicle subsequently, and vehicle driver is just entered parking lot by letting pass after taking vehicles identifications card.
CN201210461909.8A 2012-11-16 2012-11-16 Parking plot guiding and reverse vehicle tracking method for parking lot CN102930744B (en)

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