CN103440783B - Parking position detection system - Google Patents
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- CN103440783B CN103440783B CN201310390442.7A CN201310390442A CN103440783B CN 103440783 B CN103440783 B CN 103440783B CN 201310390442 A CN201310390442 A CN 201310390442A CN 103440783 B CN103440783 B CN 103440783B
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Abstract
The invention discloses a kind of parking position detection system, the left side bearing of parking stall and the middle part of right side bearing arrange an activation unit respectively, activate unit comprises the address code of this activation unit activation signal at the first frequency range wireless transmission; Enter the electronic tag for vehicles within the scope of this activation signal, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles; Positioning data of vehicles is sent to data server by reader, data server is according to the electronic tag for vehicles identification code in positioning data of vehicles, the field intensity activating element address code and corresponding activation signal, determine vehicle label position, and if vehicle label position does not change within a period of time, then be judged to be the state of parking, thus accurately can judge the identity of vehicle on whether occupied and each occupied parking stall, each parking stall.The invention also discloses a kind of electronic tag.
Description
Technical field
The present invention relates to the network information and digital sensing technology, particularly a kind of parking position detection system and electronic tag.
Background technology
Along with the develop rapidly of automobile industry, city difficult problem of parking is more and more outstanding, improves parking facility, collects and shares each parking position and take the real-time information with parking spot, improve park extremely urgent with efficiency of picking up the car.At present, most of parking lot is all by parking lot staff to parking stall partition management, and such parking lot management mode place produces following problem:
1., in a region in city, some parking lots may Occupied, but car owner enters this parking lot because learning the parking stall situation in this parking lot in advance, not only cannot stop, but also the problem such as this parking lot channel congestion, air ambient can be caused severe; Meanwhile, may there is a large amount of vacant parking stall in some parking lots, and car owner does not enter this parking lot because learning the parking stall situation in this parking lot in advance, causes this parking position idle, make this parking turnover rate low.
2. when car owner return parking lot pick up the car time, due to inner part of parking lot situation more complicated, or when forgeing the parking spot of oneself vehicle, car owner is often difficult to quick and precisely find oneself vehicle, causes time waste.
Chinese patent application 201110438363.X discloses a kind of parking position detection system, as shown in Figure 1 and Figure 2, comprises electronic tag 10, watch-dog 20, data sink 30 and data center 40.Electronic tag 10 is in order to store the information of car owner and vehicle, and each electronic tag 10 is arranged on a vehicle.Watch-dog 20 is arranged on the parking stall 200 in parking lot, and each parking stall 200 at least arranges a watch-dog 20 respectively.Each watch-dog 20 rests against the electronic tag 10 of the vehicle on the parking stall 200 of its correspondence in order to monitoring, and according to the situation of the electronic tag 10 monitored, and record parking information is as the status information on berthing time, time departure, parking duration and parking stall.When watch-dog 20 recognizes an electronic tag 10 in parking stall 200, then record recognizes time of this electronic tag 10, i.e. the vehicle of this electronic tag 10 correspondence time of stopping, and records during this parking stall 200 is in and takies simultaneously.Correspondingly, when watch-dog 20 in parking stall 200 None-identified to this electronic tag 10, then record the time of None-identified to this electronic tag 10, namely the vehicle of this electronic tag 10 correspondence leaves the time on this parking stall 200, records this parking stall 200 simultaneously and is in the free time.In addition, watch-dog 20 also obtains parking duration according to berthing time and time departure.This watch-dog 20 all has communication and routing function, automatically forms monitor network, and above-mentioned information is sent to data center 40 in real time by data sink 30 with data center 40, thus realizes the real-time monitoring to each parking stall 200.This data sink 30 receives above-mentioned parking information and parking stall status information, and by above-mentioned information by existing communication network as GPRS, 3G or Ethernet etc. are sent to data center 40.Data center 40 comprises database 41, parking stall administrative unit 42 and wireless communication unit 43.This database 41 stores the parking information and parking stall status information that data sink 30 sends.Meanwhile, this database 41 also stores the expenses standard information on parking stall 200.This parking stall administrative unit 42 comprises parking stall predetermined module 421, parking stall enquiry module 422 and parking stall expense enquiry module 423.The parking stall predetermined request that this parking stall predetermined module 421 is sent by mobile terminal in order to receive car owner, and process corresponding predetermined request.If car owner is predetermined specify parking stall 200, then parking stall predetermined module 421 obtains the current state on the appointment parking stall 200 stored in database 41, in taking as being in, then notify that car owner parking stall makes a reservation for unsuccessfully in modes such as language, note or mails, car owner can resend parking stall predetermined request information, makes a reservation for other parking stall 200; As being in the free time, then this parking stall 200 in database 41 is updated to predetermined state by parking stall predetermined module 421, and notifies that parking stall management unit reserves this parking stall 200 in modes such as language, note or mails, notifies that car owner parking stall makes a reservation for successfully simultaneously.In addition, this predetermined parking space 200 more specific location information also can be sent to car owner by parking stall predetermined module 421, guides it to stop.If the predetermined illegal parking position 200 of car owner, then parking stall predetermined module 421 is according to the current state on all parking stalls 200 stored in database 41, obtain the information on the parking stall 200 be in the free time, the information on the parking stall 200 be in the free time is sent to this car owner and carries out selection confirmation parking stall 200, and according to car owner reply confirm parking space information reservation parking stall 200 confirmed in database 41 is updated to predetermined state, simultaneously with language, the mode such as note or mail notifies that parking stall management unit reserves this parking stall 200 and notifies that car owner parking stall makes a reservation for successfully.In addition, this predetermined parking space 200 more specific location information also can be sent to car owner by parking stall predetermined module 421, guides it to stop.The parking stall 200 inquiry request information that this parking stall enquiry module 422 is sent by mobile terminal in order to receive car owner, all parking stalls 200 state in parking lot is inquired about or appointment parking stall 200 state is inquired about, and Query Result is informed car owner in modes such as language, note or mails.Car owner can select whether will enter this parking lot according to obtained parking stall status information, and in all parking stalls 200 have been in and take, then car owner can select other parking lots, without the need to entering in parking lot; Be in the free time if any parking stall 200, then car owner directly can obtain the specifying information on the parking stall 200 be in the free time, and according to this specifying information, realizes stopping fast.The parking fee inquiry request information that this parking fee enquiry module 423 is sent by mobile terminal in order to receive car owner, and the expenses standard on the parking duration of this car owner stored according to database 41 and the parking stall of correspondence, obtain required Parking Fee, and this expense is informed car owner in modes such as language, note or mails.This wireless communication unit 43, in order to realize the communication of data center 40 and data sink 30 and car owner's communication terminal, can be bluetooth communication and WiFi communication module.
Parking position detection system disclosed in Chinese patent application 201110438363.X, watch-dog 20 is positioned at rear, parking stall, when the stop position skew of vehicle in parking stall, or during the shift in position of electronic tag in vehicle, electronic tag in this vehicle likely cannot be identified by the watch-dog 20 of parking stall, place, or the electronic tag in this vehicle is identified by by the watch-dog 20 of adjacent parking stall, cannot ensure parking position monitoring degree of accuracy by mistake.
Chinese patent 201020554925.8 discloses a kind of reverse vehicle searching system, and it comprises main control equipment, multiple liquid crystal inquiry terminal and multiple locating terminal, and main control equipment is connected with locating terminal, liquid crystal inquiry terminal respectively.Main control equipment comprises networked devices and data storage device, built-in car park areas map, can exchange data with stopping guide systems connection.
This reverse vehicle searching system oppositely seek wagon flow journey as shown in Figure 3, comprise the following steps:
Step 30l, motorist select the parking lot and parking area that will go according to truck space guiding system, and stop at suitable empty parking space;
Step 302, locating terminal acousto-optic remind motorist's brush IC-card location;
Step 303, motorist select locating terminal nearby to carry out vehicle location operation, and first brush IC-card is positioning action;
Data after treatment, are stored into main control equipment by step 304, background process software, or in the IC-card of motorist, wait for that motorist picks up the car inquiry.When leaving parking lot, motorist has two kinds of selections, and one is to step 305, and one is to step 308;
Step 305, when leaving the theatre, motorist returns and picks up the car, can on locating terminal brush IC-card or barcode scanning;
Data in step 306, locating terminal Automatically invoked main control equipment or IC-card;
Step 307, locating terminal show the elaborate position address of vehicle, and go to step 311;
Step 308, when leaving the theatre, motorist returns and picks up the car, in liquid crystal inquiry terminal brush IC-card or barcode scanning;
Data in step 309, inquiry terminal Automatically invoked main control equipment or IC-card;
Step 310, liquid crystal inquiry terminal present the elaborate position of vehicle and the best route of picking up the car;
Step 311, motorist easily find oneself vehicle according to the display information of locating terminal or liquid crystal inquiry terminal.
Reverse vehicle searching system disclosed in Chinese patent 201020554925.8, need to arrange main control equipment, multiple liquid crystal inquiry terminal and multiple locating terminal, cost is higher, and oppositely seeking in car process, motorist needs when stopping to swipe the card at locating terminal, need when seeking car to swipe the card at locating terminal or inquiry terminal, complex operation.
Summary of the invention
The technical problem to be solved in the present invention is, accurately can judge that whether parking stall is occupied, and can judge the testing vehicle register on occupied parking stall.
For solving the problems of the technologies described above, parking position detection system provided by the invention, it comprises activation unit, electronic tag for vehicles, reader, data server, handheld terminal;
Described activation unit, has the address code of difference mutually;
The left side bearing of the parking stall in parking lot and the middle part of right side bearing arrange an activation unit respectively;
Described activation unit, at the first frequency range wireless transmission activation signal, described activation signal comprises the address code of this activation unit;
Described electronic tag for vehicles, for being arranged on vehicle, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles to described reader;
Described positioning data of vehicles, comprises electronic tag for vehicles identification code, and also comprise in the first previous labeling task cycle, electronic tag for vehicles resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, at the second UHF band reception positioning data of vehicles, and is sent to described data server by positioning data of vehicles by wired or wireless communication network;
Described data server, store activation cell distribution coordinate, parking space state, the vehicle label position in multiple parking lot, if receive a positioning data of vehicles, then according to the electronic tag for vehicles identification code in this positioning data of vehicles, each field intensity activating element address code and corresponding each activation signal, and activate cell distribution coordinate, determine and upgrade the vehicle label position of this electronic tag for vehicles and the parking space state of corresponding parking stall thereof;
Described handheld terminal, is communicated with described data server by cordless communication network, and handheld terminal is provided with one and parks application module, and after described application module of parking starts, handheld terminal obtains the parking space state in each parking lot from described data server and shows.
Preferably, described data server, determine that the mode of the vehicle label position of electronic tag for vehicles is:
M corresponding to M the activation signal that field intensity is the strongest in a positioning data of vehicles is activated element address code, judge that the vehicle label position of this electronic tag for vehicles activates between M activation unit corresponding to element address code at this M, M be more than or equal to 2 integer;
Described data server, corresponding to the vehicle label position determining electronic tag for vehicles, the mode of the parking space state of parking stall is:
If the vehicle label position according to N continuous bar positioning data of vehicles this electronic tag for vehicles determined all activates between unit identical M M of activating corresponding to the code of element address, corresponding to the vehicle label position then determining this electronic tag for vehicles, the parking space state of parking stall is for taking, N be more than or equal to 3 integer.
Preferably, the passage center line in parking lot is also provided with activation unit;
Be arranged on each activation unit of the same flat bed in parking lot, distribute in lattice-like;
In the same flat bed in parking lot adjacent E activates unit and forms one group and activate unit, E be more than or equal to 5 integer;
Often group activates unit, and its work period is made up of the transmitter section be linked in sequence, pause section, floor gap compartment;
Pause section is greater than transmitter section, floor gap compartment equal transmitter section with pause section and, the labeling task cycle equal transmitter section with pause section and;
Often group activates first activation unit of unit to E activation unit, sequentially sends an activation signal respectively, stop sending activation signal in pause section and floor gap compartment at transmitter section.
Preferably, the same group of afterbody F position activating the decimal address code of unit is identical, and the afterbody F position that the adjacent difference group in the same flat bed in parking lot activates the decimal address code of unit is different, and F is positive integer;
Each group that the afterbody F position of the decimal address code in the same flat bed in parking lot is identical is activated units synchronization work;
The each group of phase differential activating the work period of unit that the afterbody F position of the decimal address code in the same flat bed in parking lot is different is more than or equal to
and be less than 180 °;
Identical each group in the afterbody F position of the decimal address code of the adjacent flat bed in parking lot activates the phase differential 180 ° of the work period of unit.
Preferably, the first frequency range is 125KHZ frequency range;
Second frequency range is 2.4GHZ;
M is 2 or 4;
N is more than or equal to 10.
E is 9;
F is 1,2 or 3;
Transmitter section is 270 milliseconds;
Pause section is 1 second;
Floor gap compartment is 1270 milliseconds;
The labeling task cycle is 1270 milliseconds;
Often group activates the work period of unit is 2540 milliseconds;
Handheld terminal, is communicated with described data server by WIFI.
Preferably, parking position detection system, also comprises a map server;
Described map server, map in the field storing multiple parking lot;
Described data server, also stores electronic tag for vehicles identification code and corresponding license plate number thereof;
Described handheld terminal, is communicated with described map server by cordless communication network, map in the field in acquisition parking lot;
Described handheld terminal, after application module of parking starts, if selected parking lot, then obtains the parking space state in selected parking lot, and in the field in selected parking lot, map shows parking space state from described data server; If selected parking lot and license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in selected parking lot.
Preferably, parking position detection system, also comprises an inquiry terminal;
Described inquiry terminal, for being arranged in parking lot, and map in the field storing parking lot, place;
Described inquiry terminal, is communicated with described data server by wired or wireless communication network;
Described inquiry terminal, is provided with an inquiry application module, and after described inquiry application module starts, inquiry terminal obtains the parking space state in parking lot, place from described data server, and in the field in parking lot, place, map shows parking space state; After described inquiry application module starts, if selected license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in parking lot, place.
Preferably, parking position detection system, also comprises car owner's electronic tag;
Described car owner's electronic tag, for being carried by car owner, different car owner's electronics notes has different identification codes;
Described car owner's electronic tag, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle in the second frequency range wireless transmission car owner's locator data to described reader;
Described car owner's locator data, comprises car owner's electronic label identification code, and also comprise in the first previous labeling task cycle, car owner's electronic tag resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, also in the second UHF band reception car owner locator data, and is sent to described data server by car owner's locator data by wired or wireless communication network;
Described data server, also store car owner's electronic label identification code and corresponding car owner's identity code, car owner's label position, if receive car owner's locator data, then according to the car owner's electronic label identification code in this car owner's locator data, each field intensity activating element address code and corresponding each activation signal, determine and upgrade car owner's label position of this car owner's electronic tag;
Described handheld terminal, also be provided with one and seek car application module, seek after car application module starts described, if input car owner identity code, then handheld terminal obtains car owner's label position corresponding to this car owner's identity code and map shows in field, parking lot from described data server.
Preferably, when parking lot is open parking ground, described activation unit is arranged on the ground;
When parking lot is parking garage, described activation unit is arranged on each floor top or ground;
Described map server and described data server are same server.
For solving the problems of the technologies described above, electronic tag provided by the invention, it comprises the first wireless communication module, the second wireless communication module, processor;
Described first wireless communication module, for carrying out radio communication in the first frequency range;
Described second wireless communication module, for carrying out radio communication in the second frequency range;
Described processor, activation signal for receiving the first wireless communication module is resolved, obtain the field intensity of each activation element address code and corresponding each activation signal, and control described second wireless communication module every a labeling task cycle in the second frequency range wireless transmission locator data;
Described locator data, comprises electronic label identification code, and also comprise in the first previous labeling task cycle, electronic tag resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal.
Parking position detection system of the present invention, the left side bearing of the parking stall in parking lot and the middle part of right side bearing arrange an activation unit respectively, activate unit comprises the address code of this activation unit activation signal at the first frequency range wireless transmission, be arranged on the electronic tag for vehicles on vehicle, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles to reader, positioning data of vehicles is sent to data server by reader, because positioning data of vehicles comprises electronic tag for vehicles identification code, also comprise in the first previous labeling task cycle, electronic tag for vehicles resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, the size of the field intensity of the activation signal that data server can send according to each activation unit, determine vehicle label position (i.e. vehicle position), thus accurately can have the position in parking lot of the vehicle of electronic tag for vehicles by bond-allocating, and if (multiple labeling task cycle) vehicle label position does not change within longer a period of time, then judge that vehicle is as the state of parking, parking space state corresponding to vehicle label position is updated to and takies, thus accurately can judge the testing vehicle register on whether occupied and each occupied parking stall, each parking stall.Car owner, by handheld terminal, can obtain the parking space state in each parking lot, thus can correctly select parked parking lot, improves park efficiency and parking turnover rate.When car owner finish thing need to pick up the car leave time, the positional information that car owner also parks to oneself vehicle by handheld terminal or parking lot inquiry terminal real-time searching and cartographic information; If when car owner self has also carried with one piece of car owner's electronic tag, real time position residing for oneself can be inquired further by handheld terminal, and according to the real-time route navigation map information that handheld terminal is pointed out, the parking place of vehicle belonging to smooth arrival, greatly facilitate numerous car owners, improve and oppositely seek car efficiency, saved and picked up the car the time, another one angle, also synchronously improve the practical efficiency of parking position.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing that will use required for the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the high-level schematic functional block diagram of the parking position detection system of Chinese patent application 201110438363.X;
Fig. 2 is the watch-dog distribution schematic diagram of the parking position detection system of Chinese patent application 201110438363.X;
Fig. 3 be the reverse vehicle searching system of Chinese patent 201020554925.8 oppositely seek car schematic flow sheet;
Fig. 4 is parking position detection system one embodiment schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, carry out clear, complete description to the technical scheme in the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
Embodiment one
Parking position detection system, as shown in Figure 4, comprises and activates unit 1, electronic tag for vehicles, reader, data server, handheld terminal;
Described activation unit, has the address code of difference mutually;
The left side bearing of the parking stall in parking lot and the middle part of right side bearing arrange an activation unit respectively;
Described activation unit, at the first frequency range wireless transmission activation signal, described activation signal comprises the address code of this activation unit;
Described electronic tag for vehicles, for being arranged on vehicle, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles to described reader;
Described positioning data of vehicles, comprises electronic tag for vehicles identification code, and also comprise in the first previous labeling task cycle, electronic tag for vehicles resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, at the second UHF band reception positioning data of vehicles, and is sent to described data server by positioning data of vehicles by wired or wireless communication network;
Described data server, store activation cell distribution coordinate, parking space state, the vehicle label position in multiple parking lot, if receive a positioning data of vehicles, then according to the electronic tag for vehicles identification code in this positioning data of vehicles, each field intensity activating element address code and corresponding each activation signal, and activate cell distribution coordinate, determine and upgrade the vehicle label position of this electronic tag for vehicles and the parking space state of corresponding parking stall thereof;
Described handheld terminal, is communicated with described data server by cordless communication network, and handheld terminal is provided with one and parks application module, and after described application module of parking starts, handheld terminal obtains the parking space state in each parking lot from described data server and shows.
Preferably, described data server, determine that the mode of the vehicle label position of electronic tag for vehicles is:
M corresponding to M the activation signal that field intensity is the strongest in a positioning data of vehicles is activated element address code, judge that the vehicle label position of this electronic tag for vehicles activates between M activation unit corresponding to element address code at this M, M be more than or equal to 2 integer;
Described data server, corresponding to the vehicle label position determining electronic tag for vehicles, the mode of the parking space state of parking stall is:
If the vehicle label position according to N continuous bar positioning data of vehicles this electronic tag for vehicles determined all activates between unit identical M M of activating corresponding to the code of element address, corresponding to the vehicle label position then determining this electronic tag for vehicles, the parking space state of parking stall is for taking, N be more than or equal to 3 integer.
The parking position detection system of embodiment one, the left side bearing of the parking stall in parking lot and the middle part of right side bearing arrange an activation unit respectively, activate unit comprises the address code of this activation unit activation signal at the first frequency range wireless transmission, be arranged on the electronic tag for vehicles on vehicle, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles to reader, positioning data of vehicles is sent to data server by reader, because positioning data of vehicles comprises electronic tag for vehicles identification code, also comprise in the first previous labeling task cycle, electronic tag for vehicles resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, the size of the field intensity of the activation signal that data server can send according to each activation unit, determine vehicle label position (i.e. vehicle position), thus accurately can have the position in parking lot of the vehicle of electronic tag for vehicles by bond-allocating, and if (multiple labeling task cycle) vehicle label position does not change within longer a period of time, then judge that vehicle is as the state of parking, parking space state corresponding to vehicle label position is updated to and takies, thus accurately can judge that whether each parking stall is occupied, car owner, by handheld terminal, can obtain the parking space state in each parking lot, thus can correctly determine parked parking lot, improves park efficiency and parking turnover rate.
Embodiment two
Based on the parking position detection system of embodiment one, the passage center line in parking lot is also provided with activation unit;
Be arranged on each activation unit of the same flat bed in parking lot, distribute in lattice-like;
In the same flat bed in parking lot adjacent E activates unit and forms one group and activate unit, E be more than or equal to 5 integer;
Often group activates unit, and its work period is made up of the transmitter section be linked in sequence, pause section, floor gap compartment;
Pause section is greater than transmitter section, floor gap compartment equal transmitter section with pause section and, the labeling task cycle equal transmitter section with pause section and;
Often group activates first activation unit of unit to E activation unit, sequentially sends an activation signal respectively, stop sending activation signal in pause section and floor gap compartment at transmitter section.
Preferably, when parking lot is open parking ground, described activation unit is arranged on the ground;
When parking lot is parking garage, under described activation unit is arranged on roof; Under activation unit is arranged on the roof of the top at the sideline place of parking stall, can avoid because ground people, car and other object contributions electronic tag for vehicles are to the reception of the signal of activation unit.
The parking position detection system of embodiment two, the each activation unit being arranged on the same flat bed in parking lot is lattice-like distribution, adjacent multiple activation unit in the same flat bed in parking lot form one group and activate unit, and often the work period of group activation unit is made up of the transmitter section be linked in sequence, pause section, floor gap compartment, often each activation unit of group activation unit sequentially sends an activation signal respectively at transmitter section, stops sending activation signal in pause section and floor gap compartment.Activate unit because adjacent E activation unit forms one group, the repeating query locating periodically of the vehicle label position in whole parking lot can be shortened, the Position location accuracy of vehicle label position can not be reduced simultaneously.
Embodiment three
Based on the parking position detection system of embodiment two, the same group of afterbody F position activating the decimal address code of unit is identical, and the afterbody F position that the adjacent difference group in the same flat bed in parking lot activates the decimal address code of unit is different, and F is positive integer;
Each group that the afterbody F position of the decimal address code in the same flat bed in parking lot is identical is activated units synchronization work;
The each group of phase differential activating the work period of unit that the afterbody F position of the decimal address code in the same flat bed in parking lot is different is more than or equal to
and be less than 180 °;
Identical each group in the afterbody F position of the decimal address code of the adjacent flat bed in parking lot activates the phase differential 180 ° of the work period of unit.
Preferably, the first frequency range is 125KHZ frequency range;
Preferably, the second frequency range is 2.4GHZ;
Preferably, M is 2 or 4;
Preferably, N is more than or equal to 10.
Preferably, E is 9;
Preferably, F is 1,2 or 3;
Preferably, transmitter section is 270 milliseconds; Pause section is 1 second; Floor gap compartment is 1270 milliseconds; The labeling task cycle is 1270 milliseconds; Often group activates the work period of unit is 2540 milliseconds;
Preferably, handheld terminal, is communicated with described data server by WIFI.
The parking position detection system of embodiment three, the each group of activation units synchronization work that afterbody F position due to the decimal address code in the same flat bed in parking lot is identical, there is phase differential in what the work period of unit was activated in identical each group, afterbody F position, identical each group in the afterbody F position of the decimal address code of the adjacent flat bed in parking lot activates the phase differential 180 degree of the work period of unit, so the repeating query locating periodically of the vehicle label position in whole parking lot can be shortened, and each activation signal activating unit transmission can not affect the Position location accuracy of vehicle label position because mutually disturbing.
Embodiment four
Based on the parking position detection system of embodiment three, parking position detection system, also comprises a map server;
Described map server, map in the field storing multiple parking lot;
Described data server, also stores electronic tag for vehicles identification code and corresponding license plate number thereof;
Described handheld terminal, is communicated with described map server by cordless communication network, map in the field in acquisition parking lot;
Described handheld terminal, after application module of parking starts, if selected parking lot, then obtains the parking space state in selected parking lot, and in the field in selected parking lot, map shows parking space state from described data server; If selected parking lot and license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in selected parking lot.
Preferably, described map server and described data server are same server.
The parking position detection system of embodiment two, car owner is after parking in parking lot, started by the application module of parking started in handheld terminal, and selected parking lot and a license plate number of to park, map in the field that just can show parking lot on handheld terminal, and in field, parking lot, map shows a position of to park, be convenient to car owner and oppositely seek car after parking in parking lot, car owner can find oneself vehicle rapidly and accurately, avoids time waste.
Embodiment five
Based on the parking position detection system of embodiment four, parking position detection system also comprises an inquiry terminal;
Described inquiry terminal, for being arranged in parking lot, and map in the field storing parking lot, place;
Described inquiry terminal, is communicated with described data server by wired or wireless communication network;
Described inquiry terminal, is provided with an inquiry application module, and after described inquiry application module starts, inquiry terminal obtains the parking space state in parking lot, place from described data server, and in the field in parking lot, place, map shows parking space state; After described inquiry application module starts, if selected license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in parking lot, place.
The parking position detection system of embodiment five, car owner at the parking space state being inquired about this parking lot by the inquiry terminal be arranged in parking lot, and can oppositely find the position of oneself parking.
Embodiment six
Based on the parking position detection system of embodiment four, parking position detection system also comprises car owner's electronic tag;
Described car owner's electronic tag, for being carried by car owner, different car owner's electronics notes has different identification codes;
Described car owner's electronic tag, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle in the second frequency range wireless transmission car owner's locator data to described reader;
Described car owner's locator data, comprises car owner's electronic label identification code, and also comprise in the first previous labeling task cycle, car owner's electronic tag resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, also in the second UHF band reception car owner locator data, and is sent to described data server by car owner's locator data by wired or wireless communication network;
Described data server, also store car owner's electronic label identification code and corresponding car owner's identity code, car owner's label position, if receive car owner's locator data, then according to the car owner's electronic label identification code in this car owner's locator data, each field intensity activating element address code and corresponding each activation signal, determine and upgrade car owner's label position of this car owner's electronic tag;
Described handheld terminal, also be provided with one and seek car application module, seek after car application module starts described, if input car owner identity code, then handheld terminal obtains car owner's electronic tag position corresponding to this car owner's identity code and map shows in field, parking lot from described data server.
If car owner has carried with one piece of car owner's electronic tag, then can obtain the position of car owner self simultaneously from data server, and show the real-time route of occupant position to affiliated vehicle.
The parking position detection system of embodiment six, car owner not only can determine oneself the position in parking lot of parking, but also oneself current position in parking lot can be determined, thus can search out more easily and oneself to park.
Preferably, car owner's electronic tag or electronic tag for vehicles, comprise the first wireless communication module, the second wireless communication module, processor;
Described first wireless communication module, for carrying out radio communication in the first frequency range;
Described second wireless communication module, for carrying out radio communication in the second frequency range;
Described processor, activation signal for receiving the first wireless communication module is resolved, obtain the field intensity of each activation element address code and corresponding each activation signal, and control described second wireless communication module every a labeling task cycle in the second frequency range wireless transmission locator data;
Described locator data, comprises electronic label identification code, and also comprise in the first previous labeling task cycle, electronic tag resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. a parking position detection system, comprises and activates unit, electronic tag for vehicles, reader, data server, handheld terminal, it is characterized in that,
Described activation unit, has the address code of difference mutually;
The left side bearing of the parking stall in parking lot and the middle part of right side bearing arrange an activation unit respectively;
Described activation unit, at the first frequency range wireless transmission activation signal, described activation signal comprises the address code of this activation unit;
Described electronic tag for vehicles, for being arranged on vehicle, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle at the second frequency range wireless transmission positioning data of vehicles to described reader;
Described positioning data of vehicles, comprises electronic tag for vehicles identification code, and also comprise in the first previous labeling task cycle, electronic tag for vehicles resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, at the second UHF band reception positioning data of vehicles, and is sent to described data server by positioning data of vehicles by wired or wireless communication network;
Described data server, store activation cell distribution coordinate, parking space state, the vehicle label position in multiple parking lot, if receive a positioning data of vehicles, then according to the electronic tag for vehicles identification code in this positioning data of vehicles, each field intensity activating element address code and corresponding each activation signal, and activate cell distribution coordinate, determine and upgrade the vehicle label position of this electronic tag for vehicles and the parking space state of corresponding parking stall thereof;
Described handheld terminal, is communicated with described data server by cordless communication network, and handheld terminal is provided with one and parks application module, and after described application module of parking starts, handheld terminal obtains the parking space state in each parking lot from described data server and shows;
Described data server, determine that the mode of the vehicle label position of electronic tag for vehicles is:
M corresponding to M the activation signal that field intensity is the strongest in a positioning data of vehicles is activated element address code, judge that the vehicle label position of this electronic tag for vehicles activates between M activation unit corresponding to element address code at this M, M be more than or equal to 2 integer;
Described data server, corresponding to the vehicle label position determining electronic tag for vehicles, the mode of the parking space state of parking stall is:
If the vehicle label position according to N continuous bar positioning data of vehicles this electronic tag for vehicles determined all activates between unit identical M M of activating corresponding to the code of element address, corresponding to the vehicle label position then determining this electronic tag for vehicles, the parking space state of parking stall is for taking, N be more than or equal to 3 integer.
2. parking position detection system according to claim 1, is characterized in that,
The passage center line in parking lot is also provided with activation unit;
Be arranged on each activation unit of the same flat bed in parking lot, distribute in lattice-like;
In the same flat bed in parking lot adjacent E activates unit and forms one group and activate unit, E be more than or equal to 5 integer;
Often group activates unit, and its work period is made up of the transmitter section be linked in sequence, pause section, floor gap compartment;
Pause section is greater than transmitter section, floor gap compartment equal transmitter section with pause section and, the labeling task cycle equal transmitter section with pause section and;
Often group activates first activation unit of unit to E activation unit, sequentially sends an activation signal respectively, stop sending activation signal in pause section and floor gap compartment at transmitter section.
3. parking position detection system according to claim 2, is characterized in that,
The same group of afterbody F position activating the decimal address code of unit is identical, and the afterbody F position that the adjacent difference group in the same flat bed in parking lot activates the decimal address code of unit is different, and F is positive integer;
Each group that the afterbody F position of the decimal address code in the same flat bed in parking lot is identical is activated units synchronization work;
The each group of phase differential activating the work period of unit that the afterbody F position of the decimal address code in the same flat bed in parking lot is different is more than or equal to
and be less than 180 °;
Identical each group in the afterbody F position of the decimal address code of the adjacent flat bed in parking lot activates the phase differential 180 ° of the work period of unit.
4. parking position detection system according to claim 3, is characterized in that,
First frequency range is 125KHZ frequency range;
Second frequency range is 2.4GHZ;
M is 2 or 4;
N is more than or equal to 10;
E is 9;
F is 1,2 or 3;
Transmitter section is 270 milliseconds;
Pause section is 1 second;
Floor gap compartment is 1270 milliseconds;
The labeling task cycle is 1270 milliseconds;
Often group activates the work period of unit is 2540 milliseconds;
Handheld terminal, is communicated with described data server by WIFI.
5. parking position detection system according to claim 3, is characterized in that,
Parking position detection system, also comprises a map server;
Described map server, map in the field storing multiple parking lot;
Described data server, also stores electronic tag for vehicles identification code and corresponding license plate number thereof;
Described handheld terminal, is communicated with described map server by cordless communication network, map in the field in acquisition parking lot;
Described handheld terminal, after application module of parking starts, if selected parking lot, then obtains the parking space state in selected parking lot, and in the field in selected parking lot, map shows parking space state from described data server; If selected parking lot and license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in selected parking lot.
6. parking position detection system according to claim 5, is characterized in that,
Parking position detection system, also comprises an inquiry terminal;
Described inquiry terminal, for being arranged in parking lot, and map in the field storing parking lot, place;
Described inquiry terminal, is communicated with described data server by wired or wireless communication network;
Described inquiry terminal, is provided with an inquiry application module, and after described inquiry application module starts, inquiry terminal obtains the parking space state in parking lot, place from described data server, and in the field in parking lot, place, map shows parking space state; After described inquiry application module starts, if selected license plate number, then obtain the vehicle label position corresponding to this license plate number from data server, and map shows the vehicle label position corresponding to this license plate number in the field in parking lot, place.
7. parking position detection system according to claim 6, is characterized in that,
Parking position detection system, also comprises car owner's electronic tag;
Described car owner's electronic tag, for being carried by car owner, different car owner's electronics notes has different identification codes;
Described car owner's electronic tag, the activation signal that unit sends is activated described in the first frequency range wireless receiving, resolve the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal, every a labeling task cycle in the second frequency range wireless transmission car owner's locator data to described reader;
Described car owner's locator data, comprises car owner's electronic label identification code, and also comprise in the first previous labeling task cycle, car owner's electronic tag resolves the field intensity of each activation element address code and the corresponding each activation signal obtained according to each activation signal;
Described reader, also in the second UHF band reception car owner locator data, and is sent to described data server by car owner's locator data by wired or wireless communication network;
Described data server, also store car owner's electronic label identification code and corresponding car owner's identity code, car owner's label position, if receive car owner's locator data, then according to the car owner's electronic label identification code in this car owner's locator data, each field intensity activating element address code and corresponding each activation signal, determine and upgrade car owner's label position of this car owner's electronic tag;
Described handheld terminal, also be provided with one and seek car application module, seek after car application module starts described, if input car owner identity code, then handheld terminal obtains car owner's label position corresponding to this car owner's identity code and map shows in field, parking lot from described data server.
8. parking position detection system according to claim 7, is characterized in that,
When parking lot is open parking ground, described activation unit is arranged on the ground;
When parking lot is parking garage, described activation unit is arranged on each floor top or ground;
Described map server and described data server are same server.
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| GB201419807D0 (en) * | 2014-11-06 | 2014-12-24 | Tomtom Int Bv | Method for estimating the occupancy of a parking lot |
| CN104537875B (en) * | 2015-01-16 | 2016-09-21 | 西北工业大学 | Location, parking garage based on nearest-neighbors car searching method |
| CN104537874B (en) * | 2015-01-16 | 2016-09-21 | 西北工业大学 | Parking garage car searching method based on location, Delta Region |
| CN106033645A (en) * | 2015-03-16 | 2016-10-19 | 鸿富锦精密工业（深圳）有限公司 | Detection device, cloud server, parking space management system and method |
| CN104796459B (en) * | 2015-03-26 | 2018-05-25 | 成都智慧云图科技有限公司 | The method of vehicle goods entry, stock and sales, system, vehicle wireless communication device |
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| CN108538074A (en) * | 2017-03-02 | 2018-09-14 | 全球泊（深圳）技术有限责任公司 | One kind detecting the presence of method and system existing for vehicle |
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Address after: 200120 Shanghai city Chinese (Shanghai) free trade zone 351 GuoShouJing Road No. 2 building A636-06 room Patentee after: Shanghai Ren microelectronics Polytron Technologies Inc Address before: 201203, 10 floor, building 2500, Lane 6, Sau Pu Road, Shanghai, Pudong New Area Patentee before: Shanghai RFID & WSN Electronic Science & Technology Co., Ltd. |