CN105608516B - Bicycle automatic parking system based on two-dimensional code and internet technology - Google Patents
Bicycle automatic parking system based on two-dimensional code and internet technology Download PDFInfo
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Abstract
The invention relates to the technical field of parking management, in particular to an automatic bicycle parking system based on two-dimensional codes and Internet technology, which adopts an Internet network technical method and a GPRS network technical method to solve the technical problem that the safety problem of parked bicycles is not guaranteed, thereby achieving the technical effects of monitoring every moment and immediately alarming to inform a user once stolen; by adopting a wireless information transmission technical method, the technical problems of complex power line arrangement and difficult construction are solved, and the technical effect of wireless communication between a management center and a vehicle lock unit is achieved; the technical effects of simple and direct lock control mode and convenient transmission mode are achieved by adopting the technical design of single chip microcomputer control; the technical method for unlocking the two-dimension code of the mobile phone is adopted, the technical problems that a key of a common car lock is easy to lose and not easy to carry are solved, and the technical effect that the car lock is directly controlled through the two-dimension code in the mobile phone is achieved.
Description
Technical Field
The invention relates to the technical field of parking management, in particular to an automatic bicycle parking system based on two-dimensional codes and the internet technology.
Background
With the warming of the weather, more and more citizens ride the bicycle to work. The ' riding family ' reflects in disputes that the safe and convenient parking places can not be found without materials when low-carbon traveling and green traveling are desired, only random placement can be realized, two bicycles are locked on the indicator plate rod of one parking space, and the ' everywhere can be parked on the roadside in a transverse seven-vertical eight-vertical manner, and some bicycles even can be parked on blind roads.
Most people like riding, but rarely choose the riding mode of going out, which is not completely because of the riding effort, but is caused by the parking problem of the riding main tool bicycle. Along with the increase of the automobile holding capacity of everyone, the garage and the outdoor parking space matched with the automobile are more and more, and meanwhile, the parking spaces of the bicycles are greatly reduced. Especially in recent two years, many commercial circles and office buildings do not have special bicycle parking places, so that people who ride bicycles and go out are very troubled, and many people give up the travel mode gradually because the parking and safety problems are difficult to solve.
The parking spaces are car parking spaces, the space is firstly considered for parking cars, bicycles are rarely considered, the problem that the bicycles are difficult to park is that the bicycles are not standard firstly, the bicycles are parked in disorder and are easily wasted, the bicycles are easily lost or stolen, people often do not worry about parking the bicycles, and finally the problem of car locking is solved, and the problem that keys are not easy to carry and lose is also often troubled.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic bicycle parking system based on two-dimension codes and Internet technology aiming at the technical defects, and the technical problem that the safety problem of a parked bicycle is not guaranteed is solved by adopting an Internet network technical method and a GPRS network technical method, so that the technical effects of monitoring at any time and immediately alarming to inform a user once stealing are achieved; by adopting a wireless information transmission technical method, the technical problems of complex power line arrangement and difficult construction are solved, and the technical effect of wireless communication between a management center and a vehicle lock unit is achieved; the technical effects of simple and direct lock control mode and convenient transmission mode are achieved by adopting the technical design of single chip microcomputer control; the technical method of unlocking the two-dimension code of the mobile phone is adopted, the technical problems that a key of a common car lock is easy to lose and is not easy to carry are solved, and the technical effect that the car lock is directly controlled by the two-dimension code in the mobile phone is achieved; the technical design of the electromagnetic lock is adopted, the technical problem that the mechanical structure of the traditional vehicle lock is complex is solved, and the technical effects that the vehicle is directly locked through an electric signal and the locking mode is simple are achieved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the system comprises a parking management server, an Internet network and a GPRS network; one end of the parking management server is connected with a plurality of lock units in a wireless mode, and the other end of the parking management server is connected with an Internet network; one end of the GPRS network interacts with the Internet network, and the other end of the GPRS network is connected with the user mobile equipment in a GPRS mode.
The bicycle lock unit comprises an electromagnetic lock and a control platform, wherein the surface of the control platform is provided with a two-dimensional code display screen, a working display lamp and a code reading port, a bicycle lock controller is arranged in the control platform, and the bicycle lock controller is connected with the electromagnetic lock.
The vehicle lock controller comprises a single chip microcomputer unit, a vehicle lock driving module, a USB-to-serial port module, a wireless communication module and a battery module; one end of the USB-to-serial port module is connected with a code scanning gun in a USB mode, and the other end of the USB-to-serial port module is connected with a single chip microcomputer unit in a serial port mode; one end of the single chip unit controls the electromagnetic lock through the vehicle lock driving module, and the other end of the single chip unit controls the two-dimensional code display screen and the working display lamp; the parking management server is in two-way communication with the single chip microcomputer unit through the wireless communication module; the battery module is single chip microcomputer unit, sweep yard rifle, work display lamp, two-dimensional code display screen, lock drive module, wireless communication module, electromagnetic lock provide stable power.
The system control method comprises the following steps:
A. the bicycle parking user places the bicycle to be parked in the bicycle lock unit, and uses the electromagnetic lock to penetrate through the wheel, and the working display lamp is green at the moment;
B. the method comprises the steps that a user mobile device scans a two-dimensional code in a two-dimensional code display screen by using software to obtain information of a bicycle lock unit, a bicycle locking signal is sent to a single chip microcomputer unit through GPRS network and Internet network control, the single chip microcomputer unit receives the signal, an electromagnetic lock is controlled through a bicycle lock driving module, the electromagnetic lock obtains voltage, two ends of the voltage are attracted and locked, at the moment, a working display lamp is yellow, and a parking management server sends an unlocking two-dimensional code to the user mobile device;
C. when the user leaves, the bicycle lock controller monitors the parked bicycle, if forced unlocking or theft occurs, an alarm is given to the user mobile equipment through an Internet network and a GPRS network, and at the moment, the working display lamp flickers in red;
D. and returning by the user, and reading the code by aligning the unlocking two-dimensional code in the user mobile equipment to the code reading port, wherein the code reading is correct, and the electromagnetic lock is unlocked.
Further optimizing the technical scheme, the user mobile equipment is a portable mobile phone which can be connected with a GPRS network and can download APP software functions.
Further optimize this technical scheme, the electromagnetic lock include electromagnetic chain and armature chain, single chip microcomputer unit passes through the actuation/separation of lock drive module control electromagnetic chain and armature chain.
Further optimizing the technical scheme, the single chip microcomputer unit is an ATmega128 single chip microcomputer, the wireless communication module is an nRF24L01 wireless module, the USB serial port conversion module is a CH340G module, and the code scanning gun is a DS9208 two-dimensional code scanning gun.
Further optimize this technical scheme, the work display lamp be four feet red yellow green three-colour and share positive LED lamp, the common anode pin of work display lamp connects +12V voltage, the red lamp cathode pin of work display lamp is connected at the PA4 foot of singlechip unit ATmega128 singlechip, the yellow lamp cathode pin of work display lamp is connected at the PA5 foot of singlechip unit ATmega128 singlechip, the green lamp cathode pin of work display lamp is connected at the PA6 foot of singlechip unit ATmega128 singlechip.
Further optimize this technical scheme, the IRQ pin of wireless communication module be connected with the PB0 mouth of singlechip unit, the SCK pin of wireless transmission module is connected with the PB1 mouth of singlechip unit, the MISO pin of wireless communication module is connected with the PB2 mouth of singlechip unit, the MOSI pin of wireless communication module is connected with the PB3 mouth of singlechip unit, the CE pin of wireless communication module is connected with the PB4 mouth of singlechip unit, the CSN pin of wireless communication module is connected with the PB5 mouth of singlechip unit.
Further optimizing the technical scheme, the vehicle lock driving module comprises a signal generator NE555, an MOS tube Q1 and an electromagnetic lock coil; the VCC end of the NE555 signal generator is connected with +12V voltage, and the CV end of the NE555 signal generator is connected with +5V voltage; the single chip microcomputer unit is connected with a TR pin of the NE555 signal generator, a Q output end of the NE555 signal generator controls a grid electrode of the MOS tube, and a drain electrode of the MOS tube controls the on-off of the electromagnetic lock coil.
Further optimizing the technical scheme, the UD + and the UD-of the USB serial port conversion module CH340G are connected with a USB port of the code scanning gun, the TXD port of the USB serial port conversion module CH340G is connected with the TXD pin of the single chip microcomputer unit ATmega128, and the RXD port of the USB serial port conversion module CH340G is connected with the RXD pin of the single chip microcomputer unit ATmega 128.
Compared with the prior art, the invention has the following advantages: 1. the ATmega128 single chip microcomputer is used as a main control unit, a large-capacity memory and abundant and powerful hardware interface circuits are integrated, and the performance-price ratio is extremely high; 2. the working state of the vehicle lock is displayed by adopting three-color four-pin common-anode LED lamps, and the three color lamps are alternately used, so that a user can easily know the state of the vehicle lock directly; 3. the NE555 chip has low power consumption, low power voltage, high input impedance, strong output driving capability, reliable work, convenient use and low price; 4. the nRF24L01 wireless module can be almost connected to various single chip microcomputer chips, and completes wireless data transmission work, and has the characteristic of extremely low current consumption; 5. the single chip microcomputer unit is directly connected with the code scanning gun through the USB-to-serial port module to obtain two-dimensional code information, and displays a two-dimensional code containing the lock information through the display screen, so that the system is convenient and simple to construct; 6. the single chip microcomputer directly controls the electromagnetic lock coil through the vehicle lock driving module, and then controls the attraction/disconnection of the electromagnetic lock, and the control is direct and simple in structure.
Drawings
Fig. 1 is a flow chart of information transmission control according to the present invention.
Fig. 2 is an external view of the lock unit of the present invention.
FIG. 3 is a block diagram of the surface of the control platform of the present invention.
Fig. 4 is a diagram of the internal structure of the controller of the present invention.
Fig. 5 is a circuit configuration diagram of the one-chip microcomputer unit.
Fig. 6 is a circuit configuration diagram of a display panel.
Fig. 7 is a circuit configuration diagram of a wireless communication module.
Fig. 8 is a circuit configuration diagram of the USB-to-serial port module.
Fig. 9 is a circuit configuration diagram of the operation display lamp.
Fig. 10 is a circuit configuration diagram of the vehicle lock drive module.
In the figure, 1, a parking management server; 2. an Internet network; 3. a GPRS network; 4. a vehicle lock unit; 5. a user mobile device; 401. an electromagnetic lock; 402. a control platform; 403. a code reading port; 404. an electromagnetic chain; 405. an armature chain 6, a vehicle lock controller; 601. a single chip unit; 602. a working display lamp; 603. a vehicle lock drive module; 604. a USB-to-serial port module; 605. a wireless communication module; 606. a battery module; 607. a code scanning gun; 608. two-dimensional code display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: the bicycle automatic parking system based on the two-dimensional code and the Internet technology comprises a parking management server 1, an Internet network 2 and a GPRS network 3; one end of the parking management server 1 is connected with a plurality of lock units 4 in a wireless mode, and the other end of the parking management server 1 is connected with the Internet network 2; one end of the GPRS network 3 interacts with the Internet network 2, and the other end of the GPRS network 3 is connected with the user mobile equipment 5 in a GPRS mode.
The vehicle lock unit 4 comprises an electromagnetic lock 401 and a control platform 402, a two-dimensional code display screen 608, a working display lamp 602 and a code reading port 608 are installed on the surface of the control platform 402, a vehicle lock controller 6 is arranged inside the control platform 402, and the vehicle lock controller 6 is connected with and controls the electromagnetic lock 401.
The vehicle lock controller 6 comprises a single chip microcomputer unit 601, a vehicle lock driving module 603, a USB-to-serial port module 604, a wireless communication module 605 and a battery module 606; one end of the USB-to-serial port module 604 is connected with a code scanning gun 607 in a USB mode, and the other end of the USB-to-serial port module 604 is connected with the single chip microcomputer unit 601 in a serial port mode; one end of the single chip unit 304 controls the electromagnetic lock 401 through the vehicle lock driving module 603, and the other end of the single chip unit 304 controls the two-dimensional code display screen 608 and the work display lamp 602; the parking management server 1 is in two-way communication with the single chip microcomputer unit 601 through the wireless communication module 605; the battery module 306 provides a stable power supply for the single chip microcomputer unit 601, the code scanning gun 607, the work display lamp 602, the two-dimensional code display screen 608, the vehicle lock driving module 603, the wireless communication module 605 and the electromagnetic lock 401.
The system control method comprises the following steps:
A. the bicycle parking user places the bicycle to be parked in the bicycle lock unit 4 and uses the electromagnetic lock 401 to pass through the wheel, and the working display lamp 602 is green at this time;
B. the user mobile device 5 uses software to scan the two-dimension code in the two-dimension code display 609 screen to obtain information of the lock unit 4, the GPRS network 3 and the Internet network 2 are used for controlling to send a lock signal to the single chip unit 601, the single chip unit 601 receives the signal, the lock driving module 603 is used for controlling the electromagnetic lock 401, the electromagnetic lock 401 obtains voltage, two ends of the voltage are attracted and locked to lock the bicycle, at the moment, the working display lamp 602 is yellow, and the parking management server 1 sends an unlocking two-dimension code to the user mobile device 5;
C. when the user leaves, the bicycle lock controller 6 monitors the parked bicycle, if forced unlocking or theft occurs, an alarm is given to the user mobile equipment 5 through the Internet 2 and the GPRS network 3, and at the moment, the working display lamp 602 flashes red;
D. and returning by the user, reading the unlocking two-dimensional code in the user mobile equipment 5 by aligning the unlocking two-dimensional code to the code reading port 403, wherein the code reading is correct, and the electromagnetic lock 401 is unlocked.
Further optimizing the technical scheme, the user mobile equipment 5 is a portable mobile phone which can be connected with the GPRS network 3 and can download APP software functions; the electromagnetic lock 401 comprises an electromagnetic chain 404 and an armature chain 405, and the single chip microcomputer unit 601 controls the attraction/separation of the electromagnetic chain 404 and the armature chain 405 through a vehicle lock driving module 603.
Further optimizing the technical scheme, the single chip microcomputer unit 601 is an ATmega128 single chip microcomputer, the wireless communication module 605 is an nRF24L01 wireless module, the USB serial port conversion module 604 is a CH340G module, and the code scanning gun 607 is a DS9208 two-dimensional code scanning gun; the working display lamp 602 is a four-pin red-yellow-green three-color common-anode LED lamp, a common anode pin of the working display lamp 602 is connected with a +12V voltage, a red lamp cathode pin of the working display lamp 602 is connected with a PA4 pin of the single chip microcomputer unit 601ATmega128 single chip microcomputer, a yellow lamp cathode pin of the working display lamp 602 is connected with a PA5 pin of the single chip microcomputer unit 601ATmega128 single chip microcomputer, and a green lamp cathode pin of the working display lamp 602 is connected with a PA6 pin of the single chip microcomputer unit 601ATmega128 single chip microcomputer.
The IRQ pin of the wireless communication module 605 is connected with a PB0 port of the single chip microcomputer unit 601, the SCK pin of the wireless transmission module 605 is connected with a PB1 port of the single chip microcomputer unit 601, the MISO pin of the wireless communication module 605 is connected with a PB2 port of the single chip microcomputer unit 601, the MOSI pin of the wireless communication module 605 is connected with a PB3 port of the single chip microcomputer unit 601, the CE pin of the wireless communication module 605 is connected with a PB4 port of the single chip microcomputer unit 601, and the CSN pin of the wireless communication module 605 is connected with a PB5 port of the single chip microcomputer unit 601.
The vehicle lock driving module 603 comprises a signal generator NE555, a MOS tube Q1 and an electromagnetic lock coil; the VCC end of the NE555 signal generator is connected with +12V voltage, and the CV end of the NE555 signal generator is connected with +5V voltage; the single chip microcomputer unit 601 is connected with a TR pin of the signal generator NE555, a Q output end of the signal generator NE555 controls a grid electrode of an MOS (metal oxide semiconductor) tube, and a drain electrode of the MOS tube controls the on-off of an electromagnetic lock coil; the UD + of the USB serial-to-serial port module 604CH340G and the UD-are connected with a USB port of the code scanning gun 607, the TXD port of the USB serial-to-serial port module 604CH340G is connected with the TXD pin of the singlechip microcomputer unit 601ATmega128, and the RXD port of the USB serial-to-serial port module 604CH340G is connected with the RXD pin of the singlechip microcomputer unit 601ATmega 128.
In fig. 1, a parking management server 1 is a middle-end control system, receives information of all lock units 4, and communicates with a user mobile device 5 through an Internet network 2 and a GPRS network 3, otherwise, a parking user can monitor the lock unit 4 parked by using the user mobile device 5, and the parking management server 1, the user mobile device 5 and the lock unit 4 are all in a wireless communication mode, so that the transmission speed is high and the influence of the environment is small; fig. 2 is a simplified diagram of the vehicle lock unit 4, which mainly includes an electromagnetic lock 401 and a control platform 402 placed underground, the electromagnetic lock 401 is further divided into an electromagnetic chain 403 and an armature chain 404, and when the electromagnetic coil of the electromagnetic chain 403 is energized, a magnetic field can be generated to pull in the armature chain 404, so as to lock the vehicle.
Fig. 3 is an external schematic view of the control platform 4, which mainly includes a two-dimensional code display 609 for controlling the electromagnetic lock 401 to allow the user mobile device 5 to scan codes and a code reading port 403 during unlocking, and a working display lamp 602 is added to provide a working state of the control system for the user.
In fig. 4, the single chip microcomputer unit 601 communicates with the parking management server 1 through the wireless communication module 605, and displays the working state of the single chip microcomputer unit through the working display lamp 608, and when unlocking, the single chip microcomputer unit 601 obtains the two-dimensional code information obtained by the code scanning gun 607, and if the two-dimensional code information is correct, controls the lock driving module 603 to open the electromagnetic lock 401; when the vehicle is locked, the vehicle locking signal is obtained through the wireless communication module 605, and the vehicle lock driving module 603 is driven to close the electromagnetic lock 401.
Fig. 5 is a circuit structure diagram of the single chip microcomputer unit 601; the single chip unit 601 is an ATmage128 single chip, and comprises a minimum system of the single chip, a power supply ground wire is hidden in the figure, other wires are serial connection wires and I/O connection wires, the ATmage128 single chip integrates a large-capacity memory and rich and powerful hardware interface circuits, and the ATmage128 single chip has a high cost performance ratio, so that the ATmage128 single chip has high practical performance and stability feasibility.
Fig. 6 is a circuit structure diagram of the two-dimensional code display screen 608, and fig. 4 describes the fixed position of the two-dimensional code display screen 608, and the single chip unit 601 directly controls the display content of the display screen 102 through a program.
Fig. 7 is a schematic circuit diagram of the wireless communication module 605, the connection mode between the wireless communication module 605 and the single chip unit 601 is an SPI mode, and the single chip unit 601 controls the CE pin of the communication module 605 to control the transceiving state thereof through an I/O mode. Communication between the lock controller 6 and the parking management server 1 is realized.
Fig. 8 is a schematic circuit diagram of the USB serial-to-serial port module 604, in which the output mode of the code scanning gun 607 is USB output, but the single chip microcomputer unit 601ATmega128 cannot be directly connected to the USB port, so that the USB serial-to-serial port module 604 is required to convert the USB transmission mode into a serial transmission mode, and the CH340G chip is a typical USB serial-to-serial port common chip and is suitable for use in the present invention.
Fig. 9 is a schematic circuit diagram of an LED working display lamp 602, where the LED working display lamp 602 is a four-pin red-yellow-green three-color common-anode LED lamp, and the common anode works, and the single chip unit 601 controls the on/off of the three lamps by controlling the cathodes of the three lamps.
Fig. 10 is a schematic circuit diagram of the lock driving module 603, in which an NE555 chip is used as a driving unit, which has low power consumption, low power voltage, high input impedance, strong output driving capability, reliable operation, convenient use and low cost, and a MOS transistor Q1 is provided as a switching circuit, which has strong controllability.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. Bicycle automatic parking system based on two-dimensional code and internet technique, its characterized in that: comprises a parking management server (1), an Internet network (2) and a GPRS network (3); one end of the parking management server (1) is connected with a plurality of lock units (4) in a wireless mode, and the other end of the parking management server (1) is connected with the Internet network (2); one end of the GPRS network (3) is interactive with the Internet network (2), and the other end of the GPRS network (3) is connected with user mobile equipment (5) in a GPRS mode; the vehicle lock unit (4) comprises an electromagnetic lock (401) and a control platform (402), a two-dimensional code display screen (608), a working display lamp (602) and a code reading port (608) are mounted on the surface of the control platform (402), a vehicle lock controller (6) is arranged inside the control platform (402), and the vehicle lock controller (6) is connected with and controls the electromagnetic lock (401); the vehicle lock controller (6) comprises a single chip microcomputer unit (601), a vehicle lock driving module (603), a USB-to-serial port module (604), a wireless communication module (605) and a battery module (606); one end of the USB-to-serial port module (604) is connected with a code scanning gun (607) in a USB mode, and the other end of the USB-to-serial port module (604) is connected with the single chip microcomputer unit (601) in a serial port mode; one end of the single chip microcomputer unit (304) controls the electromagnetic lock (401) through the vehicle lock driving module (603), and the other end of the single chip microcomputer unit (304) controls the two-dimensional code display screen (608) and the work display lamp (602); the parking management server (1) is in two-way communication with the single chip microcomputer unit (601) through the wireless communication module (605); the battery module (306) provides a stable power supply for the single chip microcomputer unit (601), the code scanning gun (607), the work display lamp (602), the two-dimensional code display screen (608), the vehicle lock driving module (603), the wireless communication module (605) and the electromagnetic lock (401);
the bicycle automatic parking system based on the two-dimension code and the internet technology comprises the following control steps:
A. a bicycle parking user places a bicycle to be parked in the bicycle lock unit (4), and penetrates through the wheel by using the electromagnetic lock (401), and the working display lamp (602) is green at the moment;
B. the method comprises the steps that a user mobile device (5) scans a two-dimensional code in a two-dimensional code display (609) screen by using software to obtain information of a lock unit (4), a lock signal is sent to a single chip microcomputer unit (601) under the control of a GPRS network (3) and an Internet network (2), the single chip microcomputer unit (601) receives the signal, an electromagnetic lock (401) is controlled by a lock driving module (603), the electromagnetic lock (401) obtains suction locking of two ends of voltage to lock a bicycle, at the moment, a working display lamp (602) is yellow, and a parking management server (1) sends an unlocking two-dimensional code to the user mobile device (5);
C. when the user leaves, the bicycle lock controller (6) monitors the parked bicycle, if forced unlocking or theft occurs, an alarm is given to the user mobile equipment (5) through the Internet network (2) and the GPRS network (3), and at the moment, the working display lamp (602) flashes in red;
D. and returning by the user, reading the unlocking two-dimensional code in the user mobile equipment (5) by aligning the unlocking two-dimensional code to the code reading port (403), wherein the code reading is correct, and the electromagnetic lock (401) is unlocked.
2. The bicycle automatic parking system based on the two-dimensional code and the internet technology as claimed in claim 1, wherein: the user mobile equipment is (5) a portable mobile phone which can be connected with a GPRS network and can download APP software functions.
3. The bicycle automatic parking system based on the two-dimensional code and the internet technology as claimed in claim 1, wherein: the electromagnetic lock (401) comprises an electromagnetic chain (404) and an armature chain (405), and the single chip microcomputer unit (601) controls the attraction/separation of the electromagnetic chain (404) and the armature chain (405) through a vehicle lock driving module (603).
4. The bicycle automatic parking system based on the two-dimensional code and the internet technology as claimed in claim 1, wherein: the single chip microcomputer unit (601) is an ATmega128 single chip microcomputer, the wireless communication module (605) is an nRF24L01 wireless module, the USB-to-serial port module (604) is a CH340G module, and the code scanning gun (607) is a DS9208 two-dimensional code scanning gun.
5. The bicycle automatic parking system based on the two-dimensional code and the internet technology as claimed in claim 1, wherein: the working display lamp (602) is a four-pin red-yellow-green three-color common-anode LED lamp, the common-anode pin of the working display lamp (602) is connected with the +12V voltage, the red-lamp cathode pin of the working display lamp (602) is connected with the PA4 pin of the ATmega128 singlechip of the singlechip unit (601), the yellow-lamp cathode pin of the working display lamp (602) is connected with the PA5 pin of the ATmega128 singlechip of the singlechip unit (601), and the green-lamp cathode pin of the working display lamp (602) is connected with the PA6 pin of the ATmega128 singlechip of the singlechip unit (601).
6. The bicycle automatic parking system based on two-dimensional code and internet technology of claim 1 or 5, characterized in that: an IRQ pin of the wireless communication module (605) is connected with a PB0 port of the single chip microcomputer unit (601), an SCK pin of the wireless transmission module (605) is connected with a PB1 port of the single chip microcomputer unit (601), a MISO pin of the wireless communication module (605) is connected with a PB2 port of the single chip microcomputer unit (601), a MOSI pin of the wireless communication module (605) is connected with a PB3 port of the single chip microcomputer unit (601), a CE pin of the wireless communication module (605) is connected with a PB4 port of the single chip microcomputer unit (601), and a CSN pin of the wireless communication module (605) is connected with a PB5 port of the single chip microcomputer unit (601).
7. The bicycle automatic parking system based on the two-dimensional code and the internet technology as claimed in claim 1, wherein: the vehicle lock driving module (603) comprises a signal generator NE555, a MOS tube Q1 and an electromagnetic lock coil; the VCC end of the NE555 signal generator is connected with +12V voltage, and the CV end of the NEE555 signal generator is connected with +5V voltage; the single chip microcomputer unit (601) is connected with a TR pin of the signal generator NE555, a Q output end of the signal generator NE555 controls a grid electrode of an MOS (metal oxide semiconductor) tube, and a drain electrode of the MOS tube controls the on-off of an electromagnetic lock coil.
8. The bicycle automatic parking system based on two-dimensional code and internet technology of claim 1 or 4, characterized in that: the UD + of the USB to serial port module (604) CH340G is connected with the USB port of the UD code scanning gun (607), the TXD port of the USB to serial port module (604) CH340G is connected with the TXD pin of the single chip microcomputer unit (601) ATmega128, and the RXD port of the USB to serial port module (604) CH340G is connected with the RXD pin of the single chip microcomputer unit (601) ATmega 128.
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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 |
| CN106968473B (en) * | 2017-04-13 | 2023-10-13 | 河北科技大学 | Three-dimensional parking device for sharing single vehicle |
| 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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| US7898439B2 (en) * | 2008-03-20 | 2011-03-01 | Isabelle Bettez | Bicycle rental system and station |
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| CN105608516A (en) | 2016-05-25 |
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