CN203552467U

CN203552467U - Parking lot parking space information display system

Info

Publication number: CN203552467U
Application number: CN201320589083.3U
Authority: CN
Inventors: 贺新民; 张波; 李勇
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2013-09-23
Filing date: 2013-09-23
Publication date: 2014-04-16
Anticipated expiration: 2023-09-23

Abstract

A parking lot parking space information display system comprises a vehicle detection and transmission part and a receiving and display part; the output end of the minimum system of the sending singlechip is connected with the input ends of a sending LED nixie tube driving circuit and a sending GSM/GPRS module interface circuit, and the output end of the sending LED nixie tube driving circuit is connected with the input end of an LED nixie tube display; the output end of the interface circuit of the sending GSM/GPRS module is connected with the input end of the sending GSM/GPRS module; the receiving and displaying part comprises a receiving GSM/GPRS module, an interface circuit for receiving the GSM/GPRS module, a receiving singlechip minimum system, a receiving LED nixie tube driving circuit and a three-position LED nixie tube which are sequentially connected. The intelligent alarm system can automatically detect, display, memorize, send, receive and give an alarm when a fault occurs, and realizes intellectualization.

Description

Parking position information of park display system

Technical field

The utility model relates to a kind of information display system, particularly a kind of parking position information of park display system.

Background technology

Along with constantly carrying out of China's modernization construction, Chinese Urbanization level is more and more higher, and living standards of the people rise year by year, and the recoverable amount of automobile is more and more, and road is crowded, the difficult problem of stopping is outstanding day by day.City management department, in conjunction with each plot, constituent parts actual conditions, newly hews out many new parking lots for this reason, and city parking position is provided to greatest extent, alleviates traffic pressure.

But many new parkings are indefinite, can also hold how many vehicles unclear in parking lot, cause these parking lots or vacant waste, utilization factor not high, or expired to cause in front of the door and blocked up, block the traffic.

Utility model content

The purpose of this utility model is that a kind of parking position information of park display system will be provided, and solves parking indefinite, and parking stall utilization factor is low, or parking stall is full, causes in front of the door and blocks up, the problem blocking the traffic.

The purpose of this utility model is achieved in that this information display system is divided into two parts, and a part is " vehicle detection and transmitting portion ", and the function that comprises " local demonstration ", is arranged on parking lot; Another part is " receive and display section ", is arranged on place at a distance, and wireless receiving parking space information shows with large-size screen monitors;

Described vehicle detection and transmitting portion comprise: send single-chip minimum system, the preset button of parking stall quantity, enter car input and shaping, go out car input and shaping, transmission LED Nixie tube drive circuit, LED charactron display, send GSM/GPRS module interface circuit and receive GSM/GPRS module; The preset button of parking stall quantity, enter car input and shaping and go out car input and shaping and be connected with the input end of transmission single-chip minimum system, the output terminal that sends single-chip minimum system is connected with the input end that sends LED Nixie tube drive circuit and transmission GSM/GPRS module interface circuit, and the output terminal that sends LED Nixie tube drive circuit is connected with the input end of LED charactron display; The output terminal that sends GSM/GPRS module interface circuit is connected with transmission GSM/GPRS module input.

Described transmission single-chip minimum system, the 20th connect+5V of pin power supply of single-chip microcomputer (U8), 8th, 19 pin ground connection, 9th, 10 pin connect two pin that connect respectively crystal oscillator (Y1), the 1st pin connects the electrify restoration circuit consisting of R11 and C21, has so just completed the connection of single-chip minimum system.

The described preset button of parking stall quantity, preset button S1, S2, S3 are 3 normal opened contacts, wherein all ground connection of one end, and one end connects respectively the 4th, 6,7 pin of single-chip microcomputer U8 in addition.

Described enter car input and shaping, entering car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different entrance door lock levers, access respectively P1, P2, tri-binding posts of P3, from binding post, be connected respectively to C1, C7, C9 current limiting capacitance, out, be connected respectively to again D3, D4, D5 rectifier, become after direct current, access successively again 1/2 of photoelectrical coupler U7, 3/4, 5/6 input end, from photoelectrical coupler U7 isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 1st, 3, 5 pin, shaping circuit U6 shaping output terminal is 2, 4, 6 pin, finally be connected to the 21st of single-chip microcomputer U8, 22, 23 pin.

Described go out car input and shaping, going out car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different outlet portal lock levers, access respectively P6, P7, tri-binding posts of P9, from binding post, be connected respectively to C15, C20, C23 current limiting capacitance, out, be connected respectively to again D6, D7, D8 rectifier, become after direct current, access successively again 1/2 of photoelectrical coupler (U10), 3/4, 5/6 input end, from photoelectrical coupler (U10) isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 9th, 11, 13 pin, shaping circuit U6 shaping output terminal is 8, 10, 12 pin, finally be connected to the 24th of single-chip microcomputer U8, 25, 26 pin.

Described transmission LED Nixie tube drive circuit, by 3 integrated package U3, U4, U5, formed; Their the 16th all connect+5V of pin power supply, all ground connection of the 8th pin.The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U8; Their the 14th pin is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U8; The 12nd pin of U3 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U8; The 12nd pin of U4 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U8; The 12nd pin of U5 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U8; The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of each chip oneself, a, the b, c, d, e, f, the g that are connected to an own corresponding LED charactron hold.

Described LED charactron display, LED charactron display are comprised of 3 LED charactrons, on their all receive+2V of common anode utmost point power supply, section a, the b of each word, c, d, e, f, g end are received respectively on the driver chip (U3, U4, U5) of their correspondences.

Described transmission GSM/GPRS module interface circuit GSM/GPRS module interface circuit is completed by a slice integrated package U9, and effect is level conversion; Its 16th connect+5V of pin power supply, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U8, and the 12nd pin connects the 18th pin of single-chip microcomputer U8; Its 14th pin connects the 3rd pin of GSM/GPRS module, and the 13rd pin connects the 2nd pin of GSM/GPRS module.

Described transmission GSM/GPRS module GSM/GPRS module is one whole, and power supply is powered separately, the 13rd pin of its 2nd pin connection module interface circuit chips, the 14th pin of the 3rd pin connection module interface circuit chips.

Described reception and display section comprise: the interface circuit, reception single-chip minimum system, reception LED Nixie tube drive circuit and three the LED charactrons that receive GSM/GPRS module, reception GSM/GPRS module; The interface circuit, reception single-chip minimum system, reception LED Nixie tube drive circuit and three the LED charactrons that receive GSM/GPRS module, reception GSM/GPRS module are linked in sequence.

Described reception GSM/GPRS module, GSM/GPRS module are one whole, and power supply is powered separately, the 13rd pin of its 2nd pin connection module interface circuit chips, the 14th pin of the 3rd pin connection module interface circuit chips.

Interface circuit, the GSM/GPRS module interface circuit of described reception GSM/GPRS module are completed by a slice integrated package U18, and effect is level conversion.Its 16th connect+5V of pin power supply, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U19, and the 12nd pin connects the 18th pin of single-chip microcomputer U19; Its 14th pin connects the 3rd pin of GSM/GPRS module, and the 13rd pin connects the 2nd pin of GSM/GPRS module.

Described reception single-chip minimum system, the 20th connect+5V of the pin power supply of single-chip microcomputer U19,8th, 19 pin ground connection, 9th, 10 pin connect two pin that connect respectively crystal oscillator (Y1), and the 1st pin connects the electrify restoration circuit consisting of R1 and C17, has so just completed the connection of single-chip minimum system.

Described reception LED Nixie tube drive circuit LED Nixie tube drive circuit consists of 6 integrated package U11, U12, U13, U15, U16, U17; Wherein the 16th all connect+5V of pin power supply, all ground connection of the 8th pin of U15, U16, U17; The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U19; Their the 14th pin is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U19; The 12nd pin of U15 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U19; The 12nd pin of U16 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U19; The 12nd pin of U15 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U19; The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of each chip oneself, be connected respectively to 1,2,3,4,5,6,7 pin of U11, U12, U13, amplification through integrated package U11, U12, U13 drives, from 16,15,14,13,12,11,10 pin outputs separately, via binding post P2, P3, P1, be connected to respectively a, b, c, d, e, f, the g end of an own corresponding LED charactron.

A described large screen display of three LED charactron compositions of three LED charactrons, on their all receive+36V of common anode utmost point power supply, section a, the b of each word, c, d, e, f, g end are received respectively on integrated package U11, the U12 and U13 of their correspondences.

Beneficial effect, owing to having adopted such scheme, a vehicles while passing detecting sensor is installed at each place, gateway in parking lot, detect in real time vehicles while passing situation, through microcomputer, calculate the actual vacant bit quantity in parking lot, on the large-size screen monitors of Entrance, demonstrate, the vehicle drivers that enters parking lot for waiting provides information reference, then determine whether enter or wait, or leave; Alleviated parking lot in front of the door because of the crowded traffic jam causing of blindness; This data message is by China Mobile GSM/GPRS cordless communication network simultaneously, send to the city entrance place of highway or other highways, with large screen display out, this giant-screen can show the parking space information in multiple parking lots simultaneously, for the vehicle drivers of going down town provides data reference, guide them to enter smoothly city, vehicle in order.Solution parking is indefinite, and parking stall utilization factor is low, or parking stall is full, causes in front of the door and blocks up, and the problem blocking the traffic, has reached the purpose of this utility model.

Advantage:

1, adopt non contact metal approach switch to detect lever and rise and fall, never wornout, work reliably and with long-term.

2, adopt 220V to exchange transmission turnover car signal, can effectively overcome interference, extended the distance of signal transmission as far as possible.

3, adopt GSM/GPRS module, by public telecommunication network, parking stall signal can be transferred to any place that China Mobile covers, scope is large, without self-built wireless network, cost-saving.

4, system adopts Single Chip Microcomputer (SCM) program control, and detection automatically, demonstration, memory, transmission, reception, fault alarm etc. are realized intelligent.

Accompanying drawing explanation

Fig. 1 is the theory diagram of vehicle detection of the present utility model and transmitting portion.

Fig. 2 is the circuit diagram of vehicle detection of the present utility model and transmitting portion.

Fig. 3 is the transmission single-chip minimum system circuit diagram of vehicle detection of the present utility model and transmitting portion.

Fig. 4 is the preset key circuit figure of the parking stall quantity of vehicle detection of the present utility model and transmitting portion.

Fig. 5 is entering car and going out car input and shaping circuit figure of vehicle detection of the present utility model and transmitting portion.

Fig. 6 is the local display circuit figure of the LED charactron of vehicle detection of the present utility model and transmitting portion.

Fig. 7 is transmission GSM/GPRS module and the interface circuit figure thereof of vehicle detection of the present utility model and transmitting portion.

Fig. 8 is the theory diagram of reception of the present utility model and display section.

Fig. 9 is the circuit diagram of reception of the present utility model and display section.

Figure 10 is the reception single-chip minimum system circuit diagram of reception of the present utility model and display section.

Figure 11 is reception GSM/GPRS module and the interface circuit figure thereof of reception of the present utility model and display section.

Figure 12 is large digital LED display screen and the driving circuit figure thereof of reception of the present utility model and display section.

In figure: 1, send single-chip minimum system; 2, the preset button of parking stall quantity; 3, enter car input and shaping; 4, go out car input and shaping; 5, send LED Nixie tube drive circuit; 6, LED charactron display; 7, send GSM/GPRS module interface circuit; 8, send GSM/GPRS module; 11, receive GSM/GPRS module; 12, receive the interface circuit of GSM/GPRS module; 13, receive single-chip minimum system; 14, receive LED Nixie tube drive circuit; 15, three LED charactrons.

Embodiment

Embodiment 1: this information display system is divided into two parts, a part is " vehicle detection and transmitting portion ", the function that comprises " local demonstration ", is arranged on parking lot; Another part is " receive and display section ", is arranged on place at a distance, and wireless receiving parking space information shows with large-size screen monitors;

Described vehicle detection and transmitting portion comprise: send single-chip minimum system 1, the preset button 2 of parking stall quantity, enter car input and shaping 3, go out car input and shaping 4, transmission LED Nixie tube drive circuit 5, LED charactron display 6, send GSM/GPRS module interface circuit 7 and receive GSM/GPRS module 8; The preset button 2 of parking stall quantity, enter car input and shaping 3 and go out car input and shaping 4 and be connected with the input end that sends single-chip minimum system 1, the output terminal that sends single-chip minimum system 1 is connected with the input end that sends LED Nixie tube drive circuit 5 and transmission GSM/GPRS module interface circuit 7, and the output terminal that sends LED Nixie tube drive circuit 5 is connected with the input end of LED charactron display 6; The output terminal that sends GSM/GPRS module interface circuit 7 is connected with transmission GSM/GPRS module 8 input ends.

Described transmission single-chip minimum system 1, the 20th connect+5V of the pin power supply of single-chip microcomputer U8,8th, 19 pin ground connection, 9th, 10 pin connect two pin that meet respectively crystal oscillator Y1, and the 1st pin connects the electrify restoration circuit consisting of R11 and C21, has so just completed the connection of single-chip minimum system.

The core that sends single-chip minimum system 1 is a slice single-chip microcomputer U8, and it forms single-chip minimum system 1 together with crystal oscillator Y1, reset circuit R11, C21; It controls whole circuit board co-ordination.

The preset button 2 of described parking stall quantity, preset button S1, button S2, button S3 are 3 normal opened contacts, wherein all ground connection of one end, and one end connects respectively the 4th, 6,7 pin of single-chip microcomputer U8 in addition.

The quantity of parking stall shows an initial value, start is for the first time used and it should be transferred on actual quantity.If generation error is counted in parking stall, also should adjust.This function is completed by the preset button of 2 parking stall quantity, and three button S1, button S2 and button S3 are connected on several pins of single-chip microcomputer, and single-chip microcomputer reads its information, shows on request and stored number.

Described enter car input and shaping 3, entering car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different entrance door lock levers, access respectively P1, P2, tri-binding posts of P3, from binding post, be connected respectively to current limiting capacitance C1, current limiting capacitance C7 and current limiting capacitance C9 current limiting capacitance, out, be connected respectively to again rectifier D3, rectifier D4 and rectifier D5, become after direct current, access successively again 1/2 of photoelectrical coupler U7, 3/4, 5/6 input end, from photoelectrical coupler U7 isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 1st, 3, 5 pin, shaping circuit U6 shaping output terminal is 2, 4, 6 pin, finally be connected to the 21st of single-chip microcomputer U8, 22, 23 pin.

Described go out car input and shaping 4, going out car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different outlet portal lock levers, access respectively P6, P7, tri-binding posts of P9, from binding post, be connected respectively to C15, C20, C23 current limiting capacitance, out, be connected respectively to again rectifier D6, rectifier D7 and rectifier D8, become after direct current, access successively again 1/2 of photoelectrical coupler U10, 3/4, 5/6 input end, from photoelectrical coupler U10 isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 9th, 11, 13 pin, shaping circuit U6 shaping output terminal is 8, 10, 12 pin, finally be connected to the 24th of single-chip microcomputer U8, 25, 26 pin.

The detection of entering car and going out car signal is to be realized by near the metal approach switch being arranged on parking lot import and outlet lever place, often enter or go out to sail a car, lever is all wanted lifting and landing once, metal approach switch will be connected once, using this make-and-break signal as entering a car or going out the detection signal of a car, send into after treatment single-chip microcomputer.

Metal approach switch is 220V alternating-current switch, have metal near time connect.The lever that metal approach switch is installed is far from motherboard, approximately has hundreds of rice, and signal attenuation and signal disturb all larger, so adopt alternating current 220V to transmit as signal, can effectively overcome interference, improves reliability.

The element circuit that enters car and go out car input and shaping circuit has 6, and wherein 3 for entering car, and 3 for going out car, can realize 3 parking lots of entering car mouth and 3 vehicle outlets and detects at most like this.

In Fig. 5, P1 connection metal approach switch, when lever falls, have metal near and connect, 220V alternating current is through C1 current limliting, D3 rectification, light the light emitting diode of photoelectrical coupler U7 photoisolator, and the low-voltage signal of photoelectrical coupler U7 photoisolator output is through shaping circuit U6 shaping, send into single-chip microcomputer, complete measuring ability.

Described transmission LED Nixie tube drive circuit 5, by 3 integrated package U3, integrated package U4 and integrated package U5, formed.The 16th all connect+5V of the pin power supply of integrated package U3, integrated package U4 and integrated package U5, all ground connection of the 8th pin; The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U8, and the 14th pin of integrated package U3, integrated package U4 and integrated package U5 is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U8; The 12nd pin of integrated package U3 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U8.The 12nd pin of integrated package U4 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U8.The 12nd pin of integrated package U5 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U8.The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of latch U5, latch U6 and latch U7 chip oneself, the font code of described oneself is a group coding, the level data information of tri-integrated package outputs of latch U5, latch U6 and latch U7, the coded data of latch U5 is presented at hundred, the coded data of latch U6 is presented at ten, and the coded data of latch U7 is presented at a position.Be connected to a, b, c, d, e, f, the g end of an own corresponding LED charactron.

Described LED charactron display 6, by 3 LED charactrons, formed, on all receive+2V of the common anode utmost point power supply of LED charactron display 6LED charactron display 6, section a, the b of each word, c, d, e, f, g end are received respectively on driver chip U3, the driver chip U4 and driver chip U5 of their correspondences.

Local LED charactron display section is comprised of driver 5 and LED charactron 6, be connected to the data-signal that 3 integrated circuit U3, the integrated circuit U4 of single-chip processor i/o mouth and integrated circuit U5 obtain single-chip microcomputer, the data that namely will show, have shown on the LED charactron connecting at output terminal.

The charactron directly being driven by integrated circuit U3, integrated circuit U4 and integrated circuit U5, is generally miniature digitrons, if the large-scale charactron of demand motive should add one-level drive amplification circuit after it again.

Described transmission GSM/GPRS module interface circuit 7 is completed by a slice integrated package U9, and effect is level conversion.Send the 16th connect+5V of pin power supply of GSM/GPRS module interface circuit 7, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U8, and the 12nd pin connects the 18th pin of single-chip microcomputer U8; The 14th pin that sends GSM/GPRS module interface circuit 7 receives and sends the 3rd pin of GSM/GPRS module, and the 13rd pin receives and sends the 2nd pin of GSM/GPRS module.

Send the interface circuit of GSM/GPRS module: by a slice TTL and RS-232 level shifting circuit MAX232 and around several electric capacity form; One end of the interface circuit of GSM/GPRS module connects single-chip microcomputer, and one end is connected to and sends GSM/GPRS module; Single-chip microcomputer will, in the numeral of distal displayed by sending GSM/GPRS module, utilize the public network of China Mobile to send at a distance, and must there be the covering of China Mobile network signal in that place.

Described transmission GSM/GPRS module 8 is one whole, and power supply is powered separately, sends the 13rd pin of the 2nd pin connection module interface circuit chips U9 of GSM/GPRS module 8, the 14th pin of the 3rd pin connection module interface circuit chips U9.

Described reception and display section comprise: the interface circuit 12, reception single-chip minimum system 13, reception LED Nixie tube drive circuit 14 and three the LED charactrons 15 that receive GSM/GPRS module 11, reception GSM/GPRS module; The interface circuit 12, reception single-chip minimum system 13, reception LED Nixie tube drive circuit 14 and three the LED charactrons 15 that receive GSM/GPRS module 11, reception GSM/GPRS module are linked in sequence.

Described reception GSM/GPRS module 11, GSM/GPRS module are one whole, and power supply is powered separately, the 13rd pin of its 2nd pin connection module interface circuit chips, the 14th pin of the 3rd pin connection module interface circuit chips.

The interface circuit 12 of described reception GSM/GPRS module is completed by a slice integrated package U18, receives the 16th connect+5V of pin power supply of the interface circuit 12 of GSM/GPRS module, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U19, and the 12nd pin connects the 18th pin of single-chip microcomputer U19; The 14th pin of the interface circuit 12 of the reception GSM/GPRS module of integrated package U18 connects the 3rd pin of GSM/GPRS module, and the 13rd pin connects the 2nd pin of GSM/GPRS module.

Receive GSM/GPRS module and interface circuit 12 thereof, receiving unit is the same.Transmitting and receiving two parts respectively has one send GSM/GPRS module and receive GSM/GPRS module, communicates with one another, and has erected signalling channel.

Described reception single-chip minimum system 13, the 20th connect+5V of the pin power supply of single-chip microcomputer U19,8th, 19 pin ground connection, 9th, 10 pin connect two pin that meet respectively crystal oscillator Y1, and the 1st pin connects the electrify restoration circuit consisting of R1 and C17, has so just completed the connection of single-chip minimum system.

Receive single-chip minimum system 13, by single-chip microcomputer U19, crystal oscillator Y1, reset circuit R1, C17 form together.As shown in figure 10.It controls circuit board for receiving co-ordination.

Described reception LED Nixie tube drive circuit 14 consists of 6 integrated package U11, integrated package U12, integrated package U13, integrated package U15, integrated package U16 and integrated package U17.Wherein the 16th all connect+5V of pin power supply, all ground connection of the 8th pin of integrated package U15, integrated package U16 and integrated package U17.The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U19.Their the 14th pin is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U19.The 12nd pin of U15 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U19.The 12nd pin of U16 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U19.The 12nd pin of U15 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U19.The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of latch U15, latch U16, latch U17 chip oneself, the font code of described oneself is a group coding, the level data information of integrated package latch U15, latch U16, tri-integrated package outputs of latch U17, the coded data of latch U15 is presented at hundred, the coded data of latch U16 is presented at ten, and the coded data of latch U17 is presented at a position; Be connected respectively to 1,2,3,4,5,6,7 pin of integrated package U11, integrated package U12 and integrated package U13, amplification through integrated package U11, integrated package U12 and integrated package U13 drives, from 16,15,14,13,12,11,10 pin outputs separately, via binding post P2, binding post P3 and binding post P1, be connected to respectively a, b, c, d, e, f, the g end of an own corresponding LED charactron.

A described large screen display of 15 3 LED charactron compositions of three LED charactrons, on their all receive+36V of common anode utmost point power supply, section a, the b of each word, c, d, e, f, g end are received respectively on integrated package U11, the integrated package U12 and integrated package U13 of their correspondences.

From three position digital signals of single-chip microcomputer, enter respectively three register U15, register U16 and register U17, then pass through respectively integrated package U11, integrated package U12 and integrated package U13 drive amplification, on three large LED charactrons, show.

During use, 1, after whole system installs, switch on power for the first time, LED charactron shows 255, is invalid data, presses button is set, and adjusts respectively hundred, ten and individual position, reach actual vacant parking space number according to.

2, in system, comprise at most three and enter Che Kou and three vehicle outlets, often enter a car, once, LED numeral subtracts one to inflow point's lever lifting.Often go out a car, once, LED numeral adds one in exit lever lifting.The action of Real-Time Monitoring turnover car, calculates and shows vacant parking stall, parking lot, once come off duty or have a power failure, these data are kept at single-chip microcomputer inside automatically, after working in second day or again incoming call, system can continue plus-minus work in original data, without manual intervention.As move the error that the vacant position of parking appears in a period of time, and should reset demonstration data, reach synchronous.

3, the circuit board " receiving and display section " can be arranged on the place of any needs of China Mobile's signal covering, as highway city entrance place, module communication in its GSM/GPRS module and parking lot, obtains the data of vacant, on LED large-size screen monitors, shows.

4, single-chip microcomputer has self-checking function, finds any mistake, error message can be dealt on the mobile phone of appointment, so that specific aim maintenance.

The circuit of native system is divided into two parts: vehicle detection and transmitting portion and reception and display section, and the integrated circuit model of using in the utility model is:

In the circuit of vehicle detection and transmitting portion:

The model of U1 is that the model of 7805, U2 is LM317, and the model of U3 is 74HC595, and the model of U4 is 74HC595, the model of U5 is 74HC595, and the model of U6 is that the model of 40106, U7 is 521-1, the model of U8 is PIC16F873A, and the model of U9 is MAX232, and the model of U10 is 521-4.

In the circuit diagram of reception and display section:

The model of U11 is ULN2003, and the model of U12 is ULN2003, and the model of U13 is ULN2003, the model of U14 is that the model of 7805, U15 is 74HC595, and the model of U16 is 74HC595, the model of U17 is 74HC595, and the model of U18 is MAX232, and the model of U19 is PIC16F873A.

Claims

1. a parking position information of park display system, is characterized in that: this information display system is divided into two parts, and a part is vehicle detection and transmitting portion, comprises the local function showing, is arranged on parking lot; Another part, for receiving and display section, is arranged on place at a distance, and wireless receiving parking space information shows with large-size screen monitors;

Described vehicle detection and transmitting portion comprise: send single-chip minimum system, the preset button of parking stall quantity, enter car input and shaping, go out car input and shaping, transmission LED Nixie tube drive circuit, LED charactron display, send GSM/GPRS module interface circuit and receive GSM/GPRS module; The preset button of parking stall quantity, enter car input and shaping and go out car input and shaping and be connected with the input end of transmission single-chip minimum system, the output terminal that sends single-chip minimum system is connected with the input end that sends LED Nixie tube drive circuit and transmission GSM/GPRS module interface circuit, and the output terminal that sends LED Nixie tube drive circuit is connected with the input end of LED charactron display; The output terminal that sends GSM/GPRS module interface circuit is connected with transmission GSM/GPRS module input;

2. a kind of parking position information of park display system according to claim 1, it is characterized in that: described transmission single-chip minimum system, the 20th connect+5V of the pin power supply of single-chip microcomputer U8,8th, 19 pin ground connection, 9th, 10 pin connect two pin that connect respectively crystal oscillator (Y1), the 1st pin connects the electrify restoration circuit consisting of R11 and C21, has so just completed the connection of single-chip minimum system;

The described preset button of parking stall quantity, preset button S1, S2, S3 are 3 normal opened contacts, wherein all ground connection of one end, and one end connects respectively the 4th, 6,7 pin of single-chip microcomputer U8 in addition;

Described enter car input and shaping, entering car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different entrance door lock levers, access respectively P1, P2, tri-binding posts of P3, from binding post, be connected respectively to C1, C7, C9 current limiting capacitance, out, be connected respectively to again D3, D4, D5 rectifier, become after direct current, access successively again 1/2 of photoelectrical coupler U7, 3/4, 5/6 input end, from photoelectrical coupler U7 isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 1st, 3, 5 pin, shaping circuit U6 shaping output terminal is 2, 4, 6 pin, finally be connected to the 21st of single-chip microcomputer U8, 22, 23 pin,

Described go out car input and shaping, going out car test survey is comprised of 3 identical parts: 3 metal approach switch extension lines that are arranged under different outlet portal lock levers, access respectively P6, P7, tri-binding posts of P9, from binding post, be connected respectively to C15, C20, C23 current limiting capacitance, out, be connected respectively to again D6, D7, D8 rectifier, become after direct current, access successively again 1/2 of photoelectrical coupler U10, 3/4, 5/6 input end, from photoelectrical coupler U10 isolation signals line out, be 16, 14, 12 pin, access respectively the input end of shaping circuit U6, the 9th, 11, 13 pin, shaping circuit U6 shaping output terminal is 8, 10, 12 pin, finally be connected to the 24th of single-chip microcomputer U8, 25, 26 pin,

Described transmission LED Nixie tube drive circuit, by 3 integrated package U3, U4, U5, formed; Their the 16th all connect+5V of pin power supply, all ground connection of the 8th pin; The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U8; Their the 14th pin is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U8; The 12nd pin of U3 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U8; The 12nd pin of U4 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U8; The 12nd pin of U5 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U8; The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of latch U5, latch U6 and latch U7 chip oneself, the font code of described oneself is a group coding, the level data information of integrated package latch U5, latch U6, tri-integrated package outputs of latch U7, the coded data of latch U5 is presented at hundred, the coded data of latch U6 is presented at ten, and the coded data of latch U7 is presented at a position; Be connected to a, b, c, d, e, f, the g end of an own corresponding LED charactron;

Described LED charactron display, LED charactron display are comprised of 3 LED charactrons, on their all receive+2V of common anode utmost point power supply, section a, b, c, the d of each word, e, f, g end are received respectively on driver chip U3, U4, the U5 of their correspondences;

Described transmission GSM/GPRS module interface circuit GSM/GPRS module interface circuit is completed by a slice integrated package U9, and effect is level conversion; Its 16th connect+5V of pin power supply, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U8, and the 12nd pin connects the 18th pin of single-chip microcomputer U8; Its 14th pin connects the 3rd pin of GSM/GPRS module, and the 13rd pin connects the 2nd pin of GSM/GPRS module;

3. a kind of parking position information of park display system according to claim 1, it is characterized in that: described reception GSM/GPRS module, GSM/GPRS module is one whole, power supply is powered separately, the 13rd pin of its 2nd pin connection module interface circuit chips U9, the 14th pin of the 3rd pin connection module interface circuit chips U9;

Interface circuit, the GSM/GPRS module interface circuit of described reception GSM/GPRS module are completed by a slice integrated package U18, and effect is level conversion; Its 16th connect+5V of pin power supply, the 15th pin ground connection; The 11st pin connects the 17th pin of single-chip microcomputer U19, and the 12nd pin connects the 18th pin of single-chip microcomputer U19; Its 14th pin connects the 3rd pin of GSM/GPRS module, and the 13rd pin connects the 2nd pin of GSM/GPRS module;

Described reception single-chip minimum system, the 20th connect+5V of the pin power supply of single-chip microcomputer U19,8th, 19 pin ground connection, 9th, 10 pin connect two pin that connect respectively crystal oscillator (Y1), and the 1st pin connects the electrify restoration circuit consisting of R1 and C17, has so just completed the connection of single-chip minimum system;

Described reception LED Nixie tube drive circuit LED Nixie tube drive circuit consists of 6 integrated package U11, U12, U13, U15, U16, U17; Wherein the 16th all connect+5V of pin power supply, all ground connection of the 8th pin of integrated package U15, U16, U17; The 11st pin is all clock end, and 3 clock ends link up, and is together connected to the 12nd pin of single-chip microcomputer U19; Their the 14th pin is all data terminal, and 3 data terminals link up, and is together connected to the 11st pin of single-chip microcomputer U19; The 12nd pin of integrated package U15 is its " locking " signal end, is connected to the 13rd pin of single-chip microcomputer U19; The 12nd pin of integrated package U16 is its " locking " signal end, is connected to the 14th pin of single-chip microcomputer U19; The 12nd pin of integrated package U15 is its " locking " signal end, is connected to the 15th pin of single-chip microcomputer U19; The font code of the the the the 15th, 1,2,3,4,5,6 pin outputs of latch U15, latch U16 and latch U17 chip oneself, the font code of described oneself is a group coding, the level data information of integrated package latch U15, latch U16, tri-integrated package outputs of latch U17, the coded data of latch U15 is presented at hundred, the coded data of latch U16 is presented at ten, and the coded data of latch U17 is presented at a position; Be connected respectively to 1,2,3,4,5,6,7 pin of integrated package U11, U12, U13, amplification through integrated package U11, U12, U13 drives, from 16,15,14,13,12,11,10 pin outputs separately, via binding post P2, P3, P1, be connected to respectively a, b, c, d, e, f, the g end of an own corresponding LED charactron;

A large screen display of three LED charactrons compositions of described three LED charactrons, on their all receive+36V of common anode utmost point power supply, section a, the b of each word, c, d, e, f, g end are received respectively on integrated package U11, U12, the U13 of their correspondences.