CN105608516A - Bicycle automatic parking system based on two-dimensional code and Internet technologies - Google Patents
Bicycle automatic parking system based on two-dimensional code and Internet technologies Download PDFInfo
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- CN105608516A CN105608516A CN201510562706.1A CN201510562706A CN105608516A CN 105608516 A CN105608516 A CN 105608516A CN 201510562706 A CN201510562706 A CN 201510562706A CN 105608516 A CN105608516 A CN 105608516A
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Abstract
The invention relates to the technical field of parking management, in particular to a bicycle automatic parking system based on two-dimensional code and Internet technologies. The bicycle automatic parking system adopts the Internet network technique method and a GPRS network technique method, solves the technical problem that the safety of a parked bicycle cannot be guaranteed, and achieves the technical effects of monitoring constantly as well as alarming and notifying a user once the bicycle is stolen; the bicycle automatic parking system adopts a wireless information transmission technique method, solves the technical problems of complicated electrical wire arrangement and difficult construction, and achieves the technical effect of wireless communication between a management center and a bicycle lock unit; the bicycle automatic parking system adopts a SCM control technology design, achieves the technical effects of simple and direct bicycle lock control method and convenient transmission method; and the bicycle automatic parking system adopts a mobile phone two-dimensional code unlocking technique method, solves the technical problems that an ordinary bicycle lock key is prone to lose and not easy to carry, and achieves the technical effects of directly controlling the bicycle lock through a two-dimensional code in a mobile phone.
Description
Technical field
The present invention relates to parking management technical field, relate in particular to bicycle based on Quick Response Code and Internet technology automaticShutdown system.
Background technology
Along with sky cyclostrophic is warm, the citizen of bike to work are more and more. " gang rides " reflected one after another, wanted low-carbon (LC) to go outRow, Green Travel, unexpectedly but can not find safety, parking area easily, can only arbitrarily leave about---and two bicycle locks are at oneOn the direction board bar on parking stall, the bicycles of " nowhere can according to " are parked in roadside in disorderly, and what have has even been parked in sidewalk for visually impaired peopleOn.
Most people is liked riding, but seldom selects the mode of going out of riding, and this is not exclusively also because ride consumption power,But because the problem of parking of the main tool bicycle of riding. Along with the increase of automobile pollution per capita, with it supporting carStorehouse, outdoor parking stall are also more and more, but have also greatly reduced the parking stall of bicycle simultaneously. Especially nearly 2 years, Hen DuoshangIndustry circle, office building all do not have special bicycle park, and this allows the people that riding bicycle is gone out perplex very much, owing to parking andSafety problem is difficult to be resolved, and many people have also abandoned this trip mode gradually.
One says parking stall, and what expect now is all vehicle parking space, has living space and first considers first to allow automobile parking, Ji ShaokaoConsider bicycle, and that the problem of bicycle parking difficulty is first to stop is lack of standardization, disorderly stops leaving about the waste that easily causes space, thenAnd bicycle is easily lost or theft, people are usually worried is exactly finally lock problem to the parking of own bicycle, keyThe spoon not problem of portable easy loss is also usually perplexing people.
Summary of the invention
Technical problem to be solved by this invention, is the technical deficiency for above-mentioned existence, provide based on Quick Response Code withThe bicycle automatic parking system of Internet technology, adopts Internet technology solutions and GPRS network technical method, separatesDetermined stop bicycle safe problem without the technical problem ensureing, reached moment monitoring, use once stealing alert notice immediatelyThe technique effect at family; Adopt wireless information transfer technical method, solved the technical problem of electric flat cable complexity, constructional difficulties,Reach the technique effect that administrative center communicates by letter with lock unit wireless; The design of employing single-chip microcomputer control technology, has reached thisBright lock control mode is simple directly, transmission means technique effect easily; Adopt the technical method of mobile phone two-dimension code release,Solve that common lock key is easily lost, not portative technical problem, reached directly by the Quick Response Code in cell phoneDirectly control the technique effect of lock; The Technology design that adopts electromagnetic lock, has solved the baroque technology of traditional vehicle lock machine toolProblem, has reached and has directly passed through signal of telecommunication car locking, the simple technique effect of lock mode.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: comprise parking management server,Internet network, GPRS network; Parking management server one end wireless mode is connected with multiple locks unit, parking management clothesThe business device other end connects Internet network; GPRS network one end and Internet network interaction, GPRS network other end GPRSMode is connected with user's mobile device.
Described lock unit comprises electromagnetic lock and controls platform, controls platform surface Quick Response Code display screen, work are installedMake display lamp and reading code mouth, controlling platform inside is lock controller, and lock controller connects controls electromagnetic lock.
Described lock controller comprises that single machine unit, lock driver module, USB turn serial port module, radio communication moldPiece and battery module; USB turns serial port module one end USB mode and is connected with barcode scanning gun, and USB turns serial port module other end serial modeConnect single machine unit; Single machine unit one end is by lock driver module control electromagnetic lock, the control of the single machine unit other endQuick Response Code display screen and work display lamp; Parking management server is by wireless communication module and single machine unit two-way communication;Battery module is single machine unit, barcode scanning gun, work display lamp, Quick Response Code display screen, lock driver module, radio communication moldPiece, electromagnetic lock provide stabilized power source.
System control method step is:
A, bicycle parking user stop in bicycle placement vehicle lock unit required, and use electromagnetic lock to pass wheel, now workMake display lamp for green;
B, user's mobile device use software to sweep the Quick Response Code of getting in Quick Response Code display screen, obtain lock unit information, pass throughVehicle-locking signal is sent to single machine unit by GPRS network and Internet network control, and single machine unit receives signal, passes through carLock driver module control electromagnetic lock, electromagnetic lock obtains voltage two ends adhesive locking bicycle, and the display lamp of now working, for yellow, stopsCar management server sends to user's mobile device the Quick Response Code of unblanking;
C, user leave, lock bicycle that controller monitoring stops, if having force unblank or pilferage behavior by Internet netNetwork and GPRS network are reported to the police to user's mobile device, and the display lamp of now working is red flicker;
D, user return, and carry out reading code by the Quick Response Code of unblanking in user's mobile device is aimed to reading code mouth, and reading code is correct, electricityMagnetic padlock is unblanked.
Further optimize the technical program, described user's mobile device is soft for connecting GPRS network and can download APPThe portable telephone of part function.
Further optimize the technical program, described electromagnetic lock comprises electromagnetic linkage and armature chain, and single machine unit is passed through carThe adhesive of lock driver module control electromagnetic linkage and armature chain/separate.
Further optimize the technical program, described single machine unit is ATmega128 single-chip microcomputer, and wireless communication module isNRF24L01 wireless module, it is CH340G module that USB turns serial port module, barcode scanning gun is DS9208 Quick Response Code scanner.
Further optimize the technical program, described work display lamp is four pin red yellowish green trichromatism common anode LED lamps, and work is aobviousShow the common anode utmost point pin connection+12V voltage of lamp, the red light negative electrode pin of work display lamp is connected to single machine unitThe PA4 pin of ATmega128 single-chip microcomputer, the amber light negative electrode pin of work display lamp is connected to single machine unit ATmega128 monolithicThe PA5 pin of machine, the green light negative electrode pin of work display lamp is connected to the PA6 pin of single machine unit ATmega128 single-chip microcomputer.
Further optimize the technical program, the IRQ pin of described wireless communication module and the PB0 mouth of single machine unit connectConnect, the SCK pin of wireless transport module is connected with the PB1 mouth of single machine unit, MISO pin and the monolithic of wireless communication moduleThe PB2 mouth of machine unit connects, and the MOSI pin of wireless communication module is connected with the PB3 mouth of single machine unit, wireless communication moduleCE pin be connected with the PB4 mouth of single machine unit, the CSN pin of wireless communication module is connected with the PB5 mouth of single machine unit.
Further optimize the technical program, described lock driver module comprise signal generator NE555, metal-oxide-semiconductor Q1 withElectromagnetic lock coil; VCC termination+12V voltage of signal generator NE555, CV termination+5V voltage of signal generator NE555; SingleSheet machine unit connects the TR pin of signal generator NE555, the grid of the Q output control metal-oxide-semiconductor of signal generator NE555,The break-make of the drain electrode control electromagnetic lock coil of metal-oxide-semiconductor.
Further optimize the technical program, UD+ that described USB turns serial port module CH340G is connected barcode scanning gun with UD-USB mouth, USB turns the TXD pin of the TXD mouth connection single machine unit ATmega128 of serial port module CH340G, and USB turns serial ports mouldThe RXD mouth of piece CH340G connects the RXD pin of single machine unit ATmega128.
Compared with prior art, the present invention has the following advantages: 1, use ATmega128 single-chip microcomputer as main control unit,The memory of integrated larger capacity and enrich powerful hardware interface circuit, has very high performance cost ratio; 2, adopt three looksFour pin common anode utmost point LED lamps show the duty of lock, and three color lamps are used alternatingly, and easily make user directly learn lockState; 3, NE555 chip power-consumption is low, supply voltage is low, input impedance is high, and output driving force is strong, reliable operation, userJust, cheap; 4, nRF24L01 wireless module almost can be connected to various singlechip chips, and completes wireless data transmissionWork, there is the feature of utmost point low-power consumption; 5, single machine unit turns serial port module by USB and directly connects barcode scanning gun and learn twoDimension code information, and show the Quick Response Code that comprises lock information by display screen, System Construction facilitates simple and easy; 6, single-chip microcomputer passes through carLock driver module is directly controlled electromagnetic lock coil, and then controls the adhesive/disconnection of electromagnetic lock, controls directly, simple in structure.
Brief description of the drawings
Fig. 1 is communication control flow chart of the present invention.
Fig. 2 is lock of the present invention unit schematic appearance.
Fig. 3 is control platform surface structure chart of the present invention.
Fig. 4 is controller cut-away view of the present invention.
Fig. 5 is single machine unit circuit structure diagram.
Fig. 6 is display screen circuit structure diagram.
Fig. 7 is wireless communication module circuit structure diagram.
Fig. 8 is that USB turns serial port module circuit structure diagram.
Fig. 9 is work display lamp circuit structure diagram.
Figure 10 is lock driver module circuit structure diagram.
In figure, 1, parking management server; 2, Internet network; 3, GPRS network; 4, lock unit; 5, user movesEquipment; 401, electromagnetic lock; 402, control platform; 403, reading code mouth; 404, electromagnetic linkage; 405, armature chain 6, lock controller;601, single machine unit; 602, work display lamp; 603, lock driver module; 604, USB turns serial port module; 605, radio communicationModule; 606, battery module; 607, barcode scanning gun; 608, Quick Response Code display screen.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with detailed description of the invention ginsengAccording to accompanying drawing, the present invention is described in more detail. Should be appreciated that, these descriptions are exemplary, and do not really want to limit thisBright scope. In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring thisThe concept of invention.
Detailed description of the invention one: the bicycle automatic parking system based on Quick Response Code and Internet technology comprises parking managementServer 1, Internet network 2, GPRS network 3; Parking management server 1 one end wireless mode is connected with multiple locks unit4, parking management server 1 other end connects Internet network 2; GPRS network 3 one end and Internet network 2 are mutual,GPRS network 3 other end GPRS modes are connected with user's mobile device 5.
Described lock unit 4 comprises electromagnetic lock 401 and controls platform 402, controls platform 402 surfaces Quick Response Code is installedDisplay screen 608, work display lamp 602 and reading code mouth 608, controlling platform 402 inside is lock controller 6, lock controller 6 connectsConnect and control electromagnetic lock 401.
Described lock controller 6 comprise single machine unit 601, lock driver module 603, USB turn serial port module 604,Wireless communication module 605 and battery module 606; USB turns serial port module 604 one end USB modes and is connected with barcode scanning gun 607, and USB turnsSerial port module 604 other end serial modes connect single machine unit 601; Single machine unit 304 one end are by lock driver module603 control electromagnetic lock 401, single machine unit 304 other end control Quick Response Code display screens 608 and work display lamp 602; Pipe stopsReason server 1 is by wireless communication module 605 and single machine unit 601 two-way communications; Battery module 306 is single machine unit601, barcode scanning gun 607, work display lamp 602, Quick Response Code display screen 608, lock driver module 603, wireless communication module 605,Electromagnetic lock 401 provides stabilized power source.
System control method step is:
A, bicycle parking user stop in bicycle placement vehicle lock unit 4 required, and use electromagnetic lock 401 through wheel, thisTime work display lamp 602 for green;
B, user's mobile device 5 use software to sweep and get the Quick Response Code in Quick Response Code demonstration 609 screens, obtain lock unit 4 information, logicalCross GPRS network 3 and control vehicle-locking signal is sent to single machine unit 601 with Internet network 2, single machine unit 601 receives letterNumber, control electromagnetic lock 401 by lock driver module 603, electromagnetic lock 401 obtains voltage two ends adhesive locking bicycle, nowWork display lamp 602 is yellow, and parking management server 1 sends to user's mobile device 5 Quick Response Code of unblanking;
C, user leave, and lock controller 6 monitoring institute stops bicycle, force to unblank if having or pilferage behavior by Internet netNetwork 2 is reported to the police to user's mobile device 5 with GPRS network 3, and the display lamp 602 of now working is for red flicker;
D, user return, and carry out reading code by the Quick Response Code of unblanking in user's mobile device 5 is aimed to reading code mouth 403, and reading code justReally, electromagnetic lock 401 is unblanked.
Further optimize the technical program, described user's mobile device 5 is for can connecting GPRS network 3 and can downloading APPThe portable telephone of software function; Described electromagnetic lock 401 comprises electromagnetic linkage 404 and armature chain 405, and single machine unit 601 is passed throughLock driver module 603 is controlled the adhesive of electromagnetic linkage 404 and armature chain 405/separate.
Further optimize the technical program, described single machine unit 601 is ATmega128 single-chip microcomputer, radio communication moldPiece 605 is nRF24L01 wireless module, and USB turns serial port module 604 for CH340G module, and barcode scanning gun 607 is DS9208 Quick Response CodeScanner; Described work display lamp 602 is four pin red yellowish green trichromatism common anode LED lamps, the common anode utmost point pin of work display lamp 602Connection+12V voltage, the red light negative electrode pin of work display lamp 602 is connected to single machine unit 601ATmega128 single-chip microcomputerPA4 pin, the amber light negative electrode pin of work display lamp 602 is connected to the PA5 pin of single machine unit 601ATmega128 single-chip microcomputer, workThe green light negative electrode pin of making display lamp 602 is connected to the PA6 pin of single machine unit 601ATmega128 single-chip microcomputer.
The IRQ pin of described wireless communication module 605 is connected with the PB0 mouth of single machine unit 601, wireless transport module605 SCK pin is connected with the PB1 mouth of single machine unit 601, MISO pin and the single machine unit of wireless communication module 605601 PB2 mouth connects, and the MOSI pin of wireless communication module 605 is connected with the PB3 mouth of single machine unit 601, radio communication moldThe CE pin of piece 605 is connected with the PB4 mouth of single machine unit 601, CSN pin and the single machine unit of wireless communication module 605601 PB5 mouth connects.
Described lock driver module 603 comprises signal generator NE555, metal-oxide-semiconductor Q1 and electromagnetic lock coil; Signal occursVCC termination+12V voltage of device NE555, CV termination+5V voltage of signal generator NE555; Single machine unit 601 connects signalThe TR pin of generator NE555, the grid of the Q output control metal-oxide-semiconductor of signal generator NE555, the drain electrode control electricity of metal-oxide-semiconductorThe break-make of magnetic padlock coil; The UD+ that described USB turns serial port module 604CH340G is connected the USB mouth of barcode scanning gun 607, USB with UD-The TXD mouth that turns serial port module 604CH340G connects the TXD pin of single machine unit 601ATmega128, and USB turns serial port moduleThe RXD mouth of 604CH340G connects the RXD pin of single machine unit 601ATmega128.
In Fig. 1, parking management server 1 is middle end control system, receives the information of all locks unit 4, and passes throughInternet network 2 is realized and being communicated by letter with user's mobile device 5 with GPRS network 3, otherwise parking user can user moveEquipment 5 is monitored the lock unit 4 that oneself stops, parking management server 1, user's mobile device 5, lock unit 4 threes itBetween be all communication, transmission speed is fast and affected by environment little; Fig. 2 is the simple diagram of lock unit 4, is mainly placementUnderground electromagnetic lock 401 and control platform 402, electromagnetic lock 401 is divided into again electromagnetic linkage 403 and armature chain 404, electromagnetic linkage 403Solenoid obtains the electric magnetic field that just can produce with this adhesive armature chain 404, i.e. car locking.
Fig. 3 is the outside schematic diagram of controlling platform 4, is mainly and controls electromagnetic lock 401 for two of user's mobile device 5 barcode scanningsThe reading code mouth 403 of dimension code display screen 609 when unblanking, and additional work display lamp 602, for user provides the work of control systemState.
In Fig. 4, single machine unit 601 is communicated by letter with parking management server 1 by wireless communication module 605, and passes through workMake the duty that display lamp 608 shows self, when release, single machine unit 601 is by the two dimension of knowing that barcode scanning gun 607 is learntCode information, if correct, control lock driver module 603 and opens electromagnetic lock 401; When car locking, obtain by wireless communication module 605Know vehicle-locking signal, and drive lock driver module 603 closed electrical magnetic padlocks 401.
Fig. 5 is single machine unit 601 circuit structure diagrams; Single machine unit 601 is ATmage128 single-chip microcomputer, comprises monolithicMachine minimum system, in figure, power ground conceals, and other is serial ports wiring and I/O wiring, and ATmage128 single-chip microcomputer is integratedThe memory of larger capacity and enrich powerful hardware interface circuit, has very high performance cost ratio, the present invention is had higherPractical Performance and stable feasibility.
Fig. 6 is the circuit structure diagram of Quick Response Code display screen 608, and Fig. 4 has narrated the fixed bit of Quick Response Code display screen 608Put, single machine unit 601 is directly controlled display screen 102 displaying contents by program.
Fig. 7 is the circuit diagram of wireless communication module 605, and wireless communication module 605 is connected with single machine unit 601Mode is SPI mode, and single machine unit 601 is controlled its transmitting-receiving shape by the CE pin of I/O mode control communication module 605State. Realize communicating by letter between lock controller 6 and parking management server 1.
Fig. 8 is the electrical block diagram that USB turns serial port module 604, and the way of output of barcode scanning gun 607 is USB output, andSingle machine unit 601ATmega128 cannot directly connect USB mouth, therefore need USB to turn serial port module 604, USB transmission means is turnedBecome serial ports transmission means, CH340G chip is that typical USB turns serial ports conventional chip, is applicable to use of the present invention.
Fig. 9 is the circuit diagram of LED work display lamp 602, and LED work display lamp 602 is that four pin red yellowish green trichromatisms are total toSun LED lamp, anode working altogether, single machine unit 601 is controlled its light on and off by controlling the negative electrode of three lamps.
Figure 10 is the circuit diagram of lock driver module 603, uses NE555 chip as driver element, it is low in energy consumption,Supply voltage is low, input impedance is high, and output driving force is strong, reliable operation, easy to use, cheap, and metal-oxide-semiconductor Q1 is setAs on-off circuit, controllability is strong.
Should be understood that, above-mentioned detailed description of the invention of the present invention is only for exemplary illustration or explain of the present inventionPrinciple, and be not construed as limiting the invention. That therefore, without departing from the spirit and scope of the present invention in the situation that, does is anyRevise, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention. In addition claims purport of the present invention,Containing the whole variations in the equivalents that falls into claims scope and border or this scope and border and repairChange example.
Claims (9)
1. the bicycle automatic parking system based on Quick Response Code and Internet technology, is characterized in that: comprise parking management serviceDevice (1), Internet network (2), GPRS network (3); Parking management server (1) one end wireless mode is connected with multiple locksUnit (4), parking management server (1) other end connects Internet network (2); GPRS network (3) one end and InternetNetwork (2) is mutual, and GPRS network (3) other end GPRS mode is connected with user's mobile device (5); Lock unit (4) comprises electricityMagnetic padlock (401) and control platform (402), control platform (402) surface Quick Response Code display screen (608), work display lamp be installed(602) with reading code mouth (608), controlling platform (402) inside is lock controller (6), and lock controller (6) connects controls electromagnetismLock (401); Lock controller (6) comprises that single machine unit (601), lock driver module (603), USB turn serial port module(604), wireless communication module (605) and battery module (606); USB turns serial port module (604) one end USB mode and is connected with and sweepsCode rifle (607), USB turns serial port module (604) other end serial mode and connects single machine unit (601); Single machine unit (304)Electromagnetic lock (401) is controlled by lock driver module (603) in one end, and single machine unit (304) other end control Quick Response Code showsScreen (608) and work display lamp (602); Parking management server (1) is by wireless communication module (605) and single machine unit(601) two-way communication; Battery module (306) is single machine unit (601), barcode scanning gun (607), work display lamp (602), two dimensionCode display screen (608), lock driver module (603), wireless communication module (605), electromagnetic lock (401) provide stabilized power source.
2. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: system control method step is:
A, bicycle parking user stop in bicycle placement vehicle lock unit (4) required, and use electromagnetic lock (401) through carWheel, the display lamp (602) of now working is for green;
B, user's mobile device (5) use software to sweep and get the Quick Response Code in Quick Response Code demonstration (609) screen, obtain lock unit (4)Information, is controlled vehicle-locking signal is sent to single machine unit (601), single-chip microcomputer with Internet network (2) by GPRS network (3)Unit (601) receives signal, controls electromagnetic lock (401) by lock driver module (603), and electromagnetic lock (401) obtains voltage twoEnd adhesive locking bicycle, the display lamp (602) of now working is for yellow, and parking management server (1) is to user's mobile device (5)The transmission Quick Response Code of unblanking;
C, user leave, and lock controller (6) monitoring institute stops bicycle, force to unblank or Internet is passed through in pilferage behavior if havingNetwork (2) is reported to the police to user's mobile device (5) with GPRS network (3), and the display lamp (602) of now working is red flicker;
D, user return, and carry out reading code by the Quick Response Code of unblanking in user's mobile device (5) is aimed to reading code mouth (403), readCode is correct, and electromagnetic lock (401) is unblanked.
3. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: user's mobile device can connect GPRS network and the portable telephone that can download APP software function for (5).
4. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: electromagnetic lock (401) comprises electromagnetic linkage (404) and armature chain (405), and single machine unit (601) is by lock driver module(603) control electromagnetic linkage (404) and the adhesive of armature chain (405)/separate.
5. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: single machine unit (601) is ATmega128 single-chip microcomputer, and wireless communication module (605) is nRF24L01 wireless module, and USB turnsSerial port module (604) is CH340G module, and barcode scanning gun (607) is DS9208 Quick Response Code scanner.
6. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: work display lamp (602) be four pin red yellowish green trichromatism common anode LED lamps, work display lamp (602) common anode utmost point pin connect+12V voltage, the red light negative electrode pin of work display lamp (602) is connected to single machine unit (601) ATmega128 single-chip microcomputerPA4 pin, the amber light negative electrode pin of work display lamp (602) is connected to the PA5 of single machine unit (601) ATmega128 single-chip microcomputerPin, the green light negative electrode pin of work display lamp (602) is connected to the PA6 pin of single machine unit (601) ATmega128 single-chip microcomputer.
7. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1 or 5, its featureBe: the IRQ pin of wireless communication module (605) is connected with the PB0 mouth of single machine unit (601), wireless transport module (605)SCK pin be connected with the PB1 mouth of single machine unit (601), MISO pin and the single machine unit of wireless communication module (605)(601) PB2 mouth connects, and the MOSI pin of wireless communication module (605) is connected with the PB3 mouth of single machine unit (601), wirelessThe CE pin of communication module (605) is connected with the PB4 mouth of single machine unit (601), the CSN pin of wireless communication module (605)Be connected with the PB5 mouth of single machine unit (601).
8. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1, its feature existsIn: lock driver module (603) comprises signal generator NE555, metal-oxide-semiconductor Q1 and electromagnetic lock coil; Signal generator NE555'sVCC termination+12V voltage, CV termination+5V voltage of NEE555 signal generator; Single machine unit (601) connects signal generatorThe TR pin of NE555, the grid of the Q output control metal-oxide-semiconductor of signal generator NE555, the drain electrode control electromagnetism locking wire of metal-oxide-semiconductorThe break-make of circle.
9. the bicycle automatic parking system based on Quick Response Code and Internet technology according to claim 1 or 5, its featureBe: the UD+ that USB turns serial port module (604) CH340G is connected the USB mouth of barcode scanning gun (607) with UD-, USB turns serial port module(604) the TXD mouth of CH340G connects the TXD pin of single machine unit (601) ATmega128, and USB turns serial port module (604)The RXD mouth of CH340G connects the RXD pin of single machine unit (601) ATmega128.
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| CN106205179A (en) * | 2016-07-25 | 2016-12-07 | 成都理工大学 | City public bicycle real-time online inquiry system |
| CN106968473A (en) * | 2017-04-13 | 2017-07-21 | 河北科技大学 | A kind of shared bicycle stereo parking facility |
| CN106968473B (en) * | 2017-04-13 | 2023-10-13 | 河北科技大学 | Three-dimensional parking device for sharing single vehicle |
| CN108880191A (en) * | 2017-05-15 | 2018-11-23 | 中兴通讯股份有限公司 | A kind of power supply unit, power supply system and method for supplying power to |
| CN108880191B (en) * | 2017-05-15 | 2024-02-13 | 中兴通讯股份有限公司 | Power supply unit, power supply system and power supply method |
| CN109903439A (en) * | 2019-03-01 | 2019-06-18 | 厦门易存取智能科技有限公司 | Cart shutdown system and its parking method |
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| CN105608516B (en) | 2021-12-07 |
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