CN2473053Y

CN2473053Y - Non-contact IC card electronic time controling automatic charging meter for parking

Info

Publication number: CN2473053Y
Application number: CN 01221199
Authority: CN
Inventors: 何树宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-12
Filing date: 2001-04-12
Publication date: 2002-01-23
Anticipated expiration: 2011-04-12

Abstract

The utility model relates to a non-contact IC card formed electric time automatic charge and parking meter. The utility model comprises a microprocessor, a nonvolatile store, a stall state indicating circuit, a clock circuit, a power supply circuit, a radio frequency module circuit and an intermitting replacing sampling keeping circuit; wherein, the radio frequency module circuit consists of a non-contact IC card inducing antenna, a filtering circuit and a base station chip; the intermitting replacing sampling keeping circuit consists of a left and right stall choosing switch, a cover opening alarming switch, an intermitting coding circuit, a delaying circuit and a flip-latch. The utility model charges as the actual parking time without scheduled purchasing and is safe, stable and reliable.

Description

Non-contact IC card type electric time-keeping automatic toll collection parking cateye

The utility model relates to the non-contact IC card type electric time-keeping automatic accounting device of the management of parking, and according to the general custom call, abbreviates non-contact IC card type timing parking cateye as.

The charge parking cateye all is regularly the coin-feed mechanical device of charge all the time, perhaps information button formula, the key formula device of contact IC-card formula of regularly charging and regularly charge.These devices one are regularly charges, promptly before parking, must buy one section required parking the time of estimation in advance, and then park, the time meter in the device begins countdown simultaneously, when the time meter countdown to zero, can use up the time of parking, the sign of parking of paying is also cancelled.The deficiency that this class device exists is: the timing charge in the time of the first, can only realizing purchasing is in advance parked, can not be used for reality and use and accurately to calculate the metered of charge by the actual time science of parking and park, not have really practical, convenient, fair and rational, tight functions of use.The second, these devices check card charge all must contact, the clamping of promptly must parking when paying is touched device and could be realized the charge of checking card, this causes that because of bad contact or contact wear for a long time the malfunctioning parking cateye that makes of device can't normal operation with regard to being easy to.

The purpose of this utility model is at the existing problem of above-mentioned parking cateye, provides a kind of when not needing to purchase in advance, by the actual Time Calculation charge of parking, and safety, stable, the novel contactless timing parking cateye of checking card of failure-free.

Realize the technical scheme of above-mentioned purpose: a kind of non-contact IC card type electric time-keeping automatic toll collection parking cateye comprises microprocessor CPU, nonvolatile memory, display circuit, parking stall, left and right sides condition indication circuit, clock circuit and power circuit.It is characterized in that: be provided with radio frequency module circuit and interruption reset condition sampling hold circuit, radio frequency module circuit is made up of non-contact IC card induction antenna, filter circuit and base station ic, induction antenna connects base station ic through filter circuit, and base station ic is connected with microprocessor CPU by parallel bus.The interruption reset condition sampling hold circuit is made up of parking stall, left and right sides selector button, the alarm switch of uncapping, gap coding circuit, time delay circuit and latch, the timing interrupt signal of parking stall, left and right sides selector button, the alarm switch of uncapping, clock circuit is output as the input of gap coding circuit, the output of gap coding circuit enters latch after the time delay circuit time-delay, latch output connects the P2 mouth of CPU.

Base station ic is a Mifare CM200 module.

Clock circuit is the DS1306 clock chip.

The buzzer circuit is set, and the input of buzzer circuit connects the P2.5 mouth of CPU.

The serial port of microprocessor CPU connects communication adapter.

Technique effect of the present utility model is: adopt non-contact IC card as Stored Value Electron Currency and data carrier, need not contact and to check card, there are not the machinery wearing and tearing, solved contact check card the Parking Meter easily because of bad contact or long term wear cause malfunctioning, the life-span short and the contact opening of checking card (point) just is difficult to waterproof, protection against the tide, vandal-proof problem, reached the purpose of reliable operation steady in a long-term, and operate simple and fast more, comply with the demand trend of modern society to the electronic intelligence product.Simultaneously, the utility model has been realized real metered parking, when having overcome present Parking Meter and need purchase in advance, the multiple weak point that can only regularly park, the user platform that is provided is easy to operate, clear succinct, need not to estimate in advance and calculate selection, has exempted all disputes of parking in paying, not only just but also reasonable, embodied science, justice, tightly, efficiently, preceence easily and efficiently, both greatly facilitated the user, also guarantee science, reasonableness and the fairness of charge simultaneously.

Below in conjunction with accompanying drawing,, the utility model is described in further detail by embodiment:

Fig. 1 is a circuit structure block diagram of the present utility model.

Fig. 2 is the partial circuit figure among Fig. 1.

Fig. 3 is another part circuit diagram among Fig. 1.

Fig. 4 is the utility model parking cateye guidance panel scheme drawing.

Embodiment: with reference to Fig. 1～Fig. 4, a kind of non-contact IC card type electric time-keeping automatic toll collection parking cateye comprises radio frequency module circuit 4, microprocessor CPU, transaction record nonvolatile memory 8, display circuit 6, interruption reset condition sampling hold circuit 1, parking stall, left and right sides condition indication circuit 2, clock circuit 7, buzzer circuit 3, power circuit 5 and communication adapter 9.

Radio frequency module circuit 4: be made up of non-contact IC card induction antenna (RF ANT1), LC filter circuit and base station ic, induction antenna connects base station ic through filter circuit, and base station ic is connected with microprocessor CPU by parallel bus.Owing to adopt non-contact IC card technique and REID (being the RFID technology), the Mifare CM200 module of the built-in Philips in Parking Meter is done base station ic, (also be radio-frequency card with non-contact IC card, the RF card) does data carrier and Stored Value Electron Currency, during use, non-contact IC card (card of parking) need only be waved in the district that checks card of Parking Meter outside face (IC radio-frequency card induction zone) in a flash, IC-card by RF-wise through induction zone (RF ANT1), filter circuit L3C15, L2C16 will read and write data and deposit base station ic Mifare CM200 in, be connected with CPU by parallel bus D0～D7, finish the information exchange between CPU and the IC-card, can seek card to IC-card, cryptographic check and reading, write, operations such as depreciation, the anti-collision design is provided, can operates simultaneously many IC-cards.

Microprocessor CPU adopts P98C54.

Transaction record nonvolatile memory 8: adopt Serial E ²PROM WC24256 (CAT24WC256) is as memory circuit, and the transaction record of system parameter and every parking timing and charging (current time, card number, the actual time of parking, rate etc.) is stored in wherein.Data still can be preserved 10 years behind the system cut-off.

Display circuit 6: be made up of display lcd 1 and amplifier tube Q1, Q2, the I/O output P1.6 mouth of CPU meets LCD1.

Clock circuit 7: select for use DS1306 as clock chip, high-precision real-time clock and leap year processing automatically can be provided, for providing incoming signal, gap coding circuit 74HC148 sets two timing warners by timing interrupt signal INT0, INT1 mouth, after the time of setting arrives, will provide the low level pulse signal of 100ms to junction circuit (INT0, INT1).1Hz signal output second of clock chip 7 is as 4020 chip incoming signals of LED demonstration and parking stall, left and right sides condition indication circuit 2.After main power source cut out, real-time clock still can normal operation in addition.

Interruption reset condition sampling hold circuit 1: be conserver power source, the utility model CPU under readiness for action is in power-down mode, provides a cover the outer Rouser that interrupts, and by " left side " LEFT1, " right side " RIGHT1 parking stall selector button the Parking Meter is waken up.When real-time clock sends timing wave by INT0, INT1, when left side LEFT1, right RIGHT1 button and the alarm switch ALARM1 that uncaps move, form 3 codings by gap coding circuit 74HC148, and it is latched among the latch 74HC373 by time delay circuit 4528.If CPU is in power-down state, then provide the high level reset pulse of 100ms that CPU is waken up from power-down state, the gap coding of sampling then can be determined interrupt source, thereby carries out different operations; If CPU is in running order, then directly reads interrupt vector INT0, INT1 and carry out interrupt handling.The Parking Meter is power down at ordinary times, and to save energy consumption (its work/dormancy power consumption is 50mA Max/0.05mA Max), only the Parking Meter just is waken up and enters mode of operation when selecting the berth button.

Parking stall, left and right sides condition indication circuit 2: provide 90% duty cycle pulse signal after by 4020 chips, 2 frequency divisions with 1Hz signal second of DS1306 output, the situation that takies according to left and right parking stall shows through the LED flicker that P1.0, P1.1 control left LEFTLIG1, right RIGHTLIG, when LED glimmers, represent that this parking stall is by CU.

Buzzer circuit 3: be used for when checking card, driving buzzer phone FM1 (SPEAKER) and send corresponding response signal.

Power circuit 5: mainly adopt MAX639 and TPS76350, be responsible for whole device stable 5V power supply and 3.3V (radio frequency module circuit special use) power supply is provided.

Communication adapter 9: make the park data communication of management system upper strata, automatic electronic charging Parking Meter PC of Parking Meter and non-contact IC card timing realize conversion.In concrete work, with the RS-232 Serial Port Line communication adapter device one end is connected on the serial port of PC, the other end is connected on the serial port of Parking Meter CPU, turns on the power switch, and power light (redness) is bright, can use.When PC and Parking Meter communicated, the communication indicator lamp (green) on the adapter can flicker, expression communication normal operation.After communication finishes, PTO Power Take Off.

The working process that secondary is checked card: when the user is stopped, IC-card is made a movement in the IC-card radio influence district of parking cateye guidance panel shown in Figure 4 RF ANT1 rolling, carry out checking card the first time, under microprocessor CPU control, the data (time on the card, card number, the amount of money etc.) by RF-wise through RF ANT1, parallel bus D0～D7 mouth and the P0 mouth of Mifare CM200 carry out data transmission, finish the information exchange between CPU and the non-contact IC card, CPU control is with the current time, card number, according to current rate, maximum parking period and card are gone up the definite concluding time and the consumption amount of money of stopping of the amount of money, deposit data in CAT24WC256, and the alarm timer of DS1306 is set, P1.0 by CPU, the parking stall that P1.1 puts LED demonstration and parking stall, left and right sides condition indication circuit 2 takies the LED flicker, finishes and checks card for the first time.

When the user leaves, " left side " LEFT1, " right side " RIGHT1 parking stall selector button by interruption reset condition sampling hold circuit 1 wake the Parking Meter up, carry out checking card the second time, time between CPU checks card according to twice is actual parking the time, the paying of from the card of parking, withholing of standards such as rate that contrast is set and accounting regime, the recorded information of checking card for the first time among the above-mentioned DS1306 is deleted for the record of checking card next time, and metered transaction record is write the E of Parking Meter one by one ²PROM memory CAT24WC256 is medium-term and long-term to be preserved, for read transaction data at any time from the Parking Meter.And extinguish the parking stall and take indication LED.

Claims

1, a kind of non-contact IC card type electric time-keeping automatic toll collection parking cateye, comprise microprocessor CPU, nonvolatile memory, display circuit, parking stall, left and right sides condition indication circuit, clock circuit and power circuit, it is characterized in that: be provided with radio frequency module circuit and interruption reset condition sampling hold circuit, radio frequency module circuit is by the non-contact IC card induction antenna, filter circuit and base station ic are formed, induction antenna connects base station ic through filter circuit, base station ic is connected with microprocessor CPU by parallel bus, the interruption reset condition sampling hold circuit is by parking stall, left and right sides selector button, the alarm switch of uncapping, the gap coding circuit, time delay circuit and latch are formed, parking stall, left and right sides selector button, the alarm switch of uncapping, the timing interrupt signal of clock circuit is output as the input of gap coding circuit, the output of gap coding circuit enters latch after the time delay circuit time-delay, latch output connects the P2 mouth of CPU.

2, according to the described non-contact IC card type electric time-keeping of claim 1 automatic toll collection parking cateye, it is characterized in that: base station ic is a Mifare CM200 module.

3, according to the described non-contact IC card type electric time-keeping of claim 1 automatic toll collection parking cateye, it is characterized in that: clock circuit is the DS1306 clock chip.

4, according to the described non-contact IC card type electric time-keeping of claim 1 automatic toll collection parking cateye, it is characterized in that: the buzzer circuit is set, and the input of buzzer circuit connects the P2.5 mouth of CPU.

5, according to the described non-contact IC card type electric time-keeping of claim 1 automatic toll collection parking cateye, it is characterized in that: be connected with communication adapter on the serial port of microprocessor CPU.