CN202976510U - Parking lot navigation and charging device based on RFID - Google Patents
Parking lot navigation and charging device based on RFID Download PDFInfo
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- CN202976510U CN202976510U CN 201220571392 CN201220571392U CN202976510U CN 202976510 U CN202976510 U CN 202976510U CN 201220571392 CN201220571392 CN 201220571392 CN 201220571392 U CN201220571392 U CN 201220571392U CN 202976510 U CN202976510 U CN 202976510U
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Abstract
The utility model discloses a parking lot navigation and charging device based on RFID. The device comprises a main controller module, at least one parking space positioning module and at least one display module. The main controller module further comprises a parking space information navigation module, a database management module and a communication signal conversion module. The parking space positioning module further comprises an RFID main control module, an RFID card reading module, an antenna selection module and a number of antenna circuits. According to the utility model, the parking lot navigation and charging device based on RFID has the advantages that the device can realize (1) parking lot remaining parking space prompting, (2) parking lot remaining parking space position navigation, (3) system automatic timing and charging after parking, and (4) vehicle position displaying when a vehicle is taken.
Description
Technical field
The utility model relates to a kind of parking ground navigation based on RFID and message accounting, particularly a kind of a kind of parking ground navigation and message accounting based on RFID that adopts the RFID technology to realize.
Background technology
In recent years, along with the urban economy sustained and rapid development, living standards of the people improve constantly, and increasing city dweller becomes " clan owning cars ".
When having automobile and offer convenience to people trip, some inconvenience have also been increased, such as the parking problem in the city.Along with getting more and more of automobile, the parking lot is built larger and larger, the parking stall is also more and more nervous, usually the car owner enters and needs to spend many time to seek the parking stall behind the parking lot to park a car, when leaving the parking lot, because the parking lot is larger, usually also need to spend many time to seek the parking spot of automobile, very inconvenient.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind ofly can carry out parking stall measure, stopping guide automatically, the device of pick up the car position indicating and automatic charging.
The utility model purpose is achieved through the following technical solutions:
A kind of parking ground navigation and message accounting based on RFID, system has comprised main controller module, at least one parking stall locating module and at least one display module.
wherein, the parking stall locating module also further comprises a RFID main control module, a RFID card reading module, an antenna gating module and a plurality of antenna circuit, wherein the RFID main control module reads the ID card for controlling RFID card reading module and antenna circuit, and the information on the ID card is sent to main controller module, the RFID card reading module is used for reading the ID card information by antenna circuit, and this information is sent to the RFID main control module, one of being used for a plurality of antenna circuits of antenna gating module carries out gating, make the information of ID card corresponding to this antenna circuit be read the RFID card reading module, in the utility model, RFID card reading module can corresponding a plurality of antenna circuits (namely can corresponding a plurality of ID cards), therefore the RFID main control module is by an antenna gating module, timesharing is carried out gating to one in a plurality of antenna circuits, makes the information of ID card corresponding to this antenna circuit be read the RFID card reading module.This design made originally can only can be with a plurality of card reading antennas circuit with the RFID card reading module of a card reading antennas circuit, thereby reduces the RFID card reading module quantity that needs, and also can reduce the parking stall locating module number under main controller module.
Main control module has also further comprised parking space information navigation module and administration module, wherein the parking space information navigation module is used for parking position information of park is added up, managed, for the vehicle that enters the parking lot provides vacant parking space information, provides the parking stall preliminary allocative decision, for parking space information (as positional information) inquiry is provided at the storehouse vehicle, database management module is used for vehicle parking information, charging case are managed simultaneously.
Display module is used to the vehicle that enters the parking lot to show vacant parking space information and arrives the path of original allocation parking stall, or is to show the parking stall positional information at the storehouse vehicle.
Optionally, main controller module is connected the RS485 bus with the parking stall locating module and connects.
Optionally, main controller module comprises a signal of communication modular converter, is used for that the RS485 signal is converted to the RS232 signal and is input to master controller.
The utility model beneficial effect: device can be realized the residue parking stall prompting of (1) parking lot; (2) navigation by triangulation of parking lot residue parking stall; (3) the self-clocking charging of system after the parking; The position display of vehicle heading when (4) picking up the car.
Description of drawings
Fig. 1 is system global structure figure.
Fig. 2 is parking stall locating module structural drawing.
Fig. 3 is RFID main control module and antenna gating module principle figure.
Fig. 4 is RFID card reading module and antenna gating module principle figure.
Fig. 5 is RFID reading control program process flow diagram.
Embodiment
In order to allow those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, the utility model has disclosed a kind of parking ground navigation based on RFID and message accounting, system has comprised main controller module, at least one parking stall locating module and at least one display module, main controller module is connected the RS485 bus with the parking stall locating module and connects, and the hardware of main controller module can be realized by personal computer or small server.
Figure 2 shows that parking stall locating module structure principle chart.The parking stall locating module comprises a RFID main control module, a RFID card reading module, an antenna gating module and a plurality of antenna circuit.Its function is according to certain coded format, ID card information and parking stall number information to be sent to master controller after the ID card information that reads successively on each antenna (parking stall).
Utilize the induction coupling scheme of the low-frequency range of radio frequency, bury a card reading antennas coil circuit underground on Entrance place and each parking stall, an ID card is installed at the bottom of car, when can reading the ID card information, the RFID card reading module proves have car to park on the parking stall, can add up like this residue parking stall and concrete card number information, and show the prompting user in the porch by display module.When the user enters the parking lot and picks up the car, can read the ID card that carries in the RFID of porch card reading module, display module namely can demonstrate the positional information that has been parked in the vehicle in the parking lot and the navigation of picking up the car.
If the supporting RFID card reading module of Card Reader coil that install each parking stall, the cost of system can be very high like this, and the slave quantity of radio-frequency module can be a lot, increased communications burden.Therefore in RFID control circuit of the present utility model, come a plurality of card reading antennas circuit of gating (one-to-many) by antenna gating module, the time-division processing of matching program made originally and can only can be with upper a plurality of antenna with the radio-frequency module of an antenna.So just greatly reduce radio frequency reader module, also can allow the slave quantity under master controller greatly reduce.
Fig. 3 and Fig. 4 are RFID main control module, RFID card reading module and antenna gating module principle figure.The RFID main control module adopts AVR chip ATmega8 as main control chip, mainly is responsible for communication issue and the gating of Card Reader coil and reading of data with master controller.
It controls read-write process: at first to make its corresponding output pin be effective low level to main control chip ATmega8 four input pins that the 74HC154 code translator is set, so just formed the trigger pip of optocoupler, bidirectional triode thyristor in optocoupler is open-minded when both end voltage is zero afterwards, the antenna that also namely is strobed has been connected to CY125K-S, time-delay a period of time is waited for the ID card information, then reset the code translator input pin and withdraw the trigger pip of the optocoupler that has accessed, but bidirectional triode thyristor did not turn-off this moment.Because CY125K-S has a reset pin, to connect the both end voltage of antenna be zero to module after adding low level to reset pin, if when low level is maintained to adding in bidirectional triode thyristor electric current can turn-off bidirectional triode thyristor less than keeping electric current.According to this control principle, if will a plurality of controlled antennas be connected in parallel to CY125K-S module antenna end control again the 74HC154 timesharing one by one the antenna gating disconnection antenna that resets again can obtain successively ID card information on each antenna.Its RFID reading control program flow process as shown in Figure 5.
The parking space information navigation module of main control module and database management module adopt the design of QT SDK groupware developing instrument, receive the parking space information data of parking stall locating module by the RS232 serial ports, its data are comprised of 8 words, front four codings that word is preamble code and parking stall, rear four words be the coding of depositing the ID card (the ID card is housed at the bottom of car, if there is car to berth, rear four numberings that word is exactly the ID card, otherwise, be exactly 00 00 00 00 coding).After serial ports receives data, it is processed, the numbering of parking stall and the numbering of ID card are bound, so just can determine the particular location of this car, facilitate indicating user to pick up the car.Begin simultaneously timing, and the numbering of corresponding ID card is stored; In case car is left the parking stall, program is tried to achieve the mistiming, is exactly the time that this car berths, and realizes the Fare determined by travel time function.Should upload in the QT database with corresponding ID numbering down time simultaneously and manage.
Display module is accepted the information of main control module, is used to the vehicle that enters the parking lot to show vacant parking space information and the path that arrives the original allocation parking stall, or is to show the parking stall positional information at the storehouse vehicle.
The present embodiment is more excellent embodiment of the present utility model; need to prove; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (3)
1. parking ground navigation and message accounting based on a RFID is characterized in that:
Described parking ground navigation and message accounting based on RFID comprises main controller module, at least one parking stall locating module and at least one display module;
described parking stall locating module also further comprises a RFID main control module, a RFID card reading module, an antenna gating module and a plurality of antenna circuit, wherein the RFID main control module reads the ID card for controlling RFID card reading module and antenna circuit, and the information on the ID card is sent to main controller module, the RFID card reading module is used for reading the ID card information by antenna circuit, and this information is sent to the RFID main control module, one of being used for a plurality of antenna circuits of antenna gating module carries out gating, make the information of ID card corresponding to this antenna circuit be read the RFID card reading module,
Described main control module has also further comprised parking space information navigation module and administration module, wherein the parking space information navigation module is used for parking position information of park is added up, managed, for the vehicle that enters the parking lot provides vacant parking space information, provides the parking stall preliminary allocative decision, for the parking space information inquiry is provided at the storehouse vehicle, database management module is used for vehicle parking information, charging case are managed simultaneously;
Described display module is used to the vehicle that enters the parking lot to show vacant parking space information and arrives the path of original allocation parking stall, or is to show the parking stall positional information at the storehouse vehicle.
2. a kind of parking ground navigation and message accounting based on RFID according to claim 1, it is characterized in that: described main controller module is connected the RS485 bus with the parking stall locating module and connects.
3. a kind of parking ground navigation and message accounting based on RFID according to claim 1 and 2, it is characterized in that: described main controller module comprises a signal of communication modular converter, is used for that the RS485 signal is converted to the RS232 signal and is input to master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571392 CN202976510U (en) | 2012-11-02 | 2012-11-02 | Parking lot navigation and charging device based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571392 CN202976510U (en) | 2012-11-02 | 2012-11-02 | Parking lot navigation and charging device based on RFID |
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| Publication Number | Publication Date |
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| CN202976510U true CN202976510U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220571392 Expired - Fee Related CN202976510U (en) | 2012-11-02 | 2012-11-02 | Parking lot navigation and charging device based on RFID |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575080A (en) * | 2014-12-02 | 2015-04-29 | 苏州立瓷电子技术有限公司 | Vehicle locating system of parking lot based on RFID (Radio Frequency Identification) |
| CN105243866A (en) * | 2015-10-08 | 2016-01-13 | 苏州海博智能***有限公司 | Method of obtaining parking position of vehicle, vehicle unit, and vehicle management card |
| CN106274898A (en) * | 2016-09-26 | 2017-01-04 | 江苏天安智联科技股份有限公司 | A kind of vehicle-mounted remote-control parking equipment and system thereof |
| CN107993483A (en) * | 2017-12-25 | 2018-05-04 | 宁波明科机电有限公司 | A kind of Split type intelligent time switch system |
-
2012
- 2012-11-02 CN CN 201220571392 patent/CN202976510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575080A (en) * | 2014-12-02 | 2015-04-29 | 苏州立瓷电子技术有限公司 | Vehicle locating system of parking lot based on RFID (Radio Frequency Identification) |
| CN105243866A (en) * | 2015-10-08 | 2016-01-13 | 苏州海博智能***有限公司 | Method of obtaining parking position of vehicle, vehicle unit, and vehicle management card |
| CN106274898A (en) * | 2016-09-26 | 2017-01-04 | 江苏天安智联科技股份有限公司 | A kind of vehicle-mounted remote-control parking equipment and system thereof |
| CN106274898B (en) * | 2016-09-26 | 2018-11-27 | 江苏天安智联科技股份有限公司 | A kind of vehicle-mounted remote-control parking equipment and its system |
| CN107993483A (en) * | 2017-12-25 | 2018-05-04 | 宁波明科机电有限公司 | A kind of Split type intelligent time switch system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141102 |
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| EXPY | Termination of patent right or utility model |