CN107067530A - A kind of Intelligent coin networking is reclaimed and exchange system - Google Patents
A kind of Intelligent coin networking is reclaimed and exchange system Download PDFInfo
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- CN107067530A CN107067530A CN201710202578.9A CN201710202578A CN107067530A CN 107067530 A CN107067530 A CN 107067530A CN 201710202578 A CN201710202578 A CN 201710202578A CN 107067530 A CN107067530 A CN 107067530A
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D3/00—Sorting a mixed bulk of coins into denominations
- G07D3/14—Apparatus driven under control of coin-sensing elements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
- G06Q20/105—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems involving programming of a portable memory device, e.g. IC cards, "electronic purses"
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3274—Short range or proximity payments by means of M-devices using a pictured code, e.g. barcode or QR-code, being displayed on the M-device
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
- G07D5/02—Testing the dimensions, e.g. thickness, diameter; Testing the deformation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
- G07D5/08—Testing the magnetic or electric properties
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/06—Coin boxes
Abstract
The present invention relates to electric network technical field, specifically related to a kind of Intelligent coin networking is reclaimed and exchange system, including control and interface module and the power module being connected in control and interface module, liquid crystal touch control display module, wireless communication module, coin recognizing method module, Quick Response Code module, power module provides electricity for whole system；Control and interface module, as microprocessor, realize the control to other modules and data transfer using STM32；Liquid crystal touch control display module, using liquid crystal touch control display screen, for operation display interface, shows the coin amount of money and classification information of input；Wireless communication module uses GPRS communication modules, wireless communication module collection coin reclaims the information of changer, the present invention can realize the reasonable distribution of coin resource, coin is set to reclaim changer in public domains such as cell, hospital, school, recreation grounds, idle coin easily can be efficiently handled for user, coin can be provided when user is badly in need of coin again.
Description
Technical field
The present invention relates to electric network technical field, and in particular to a kind of Intelligent coin networking is reclaimed and exchange system.
Background technology
With electronic technology and the high speed development of internet, the forth generation mobile communication technology by representative of 4G is also opened
Begin to popularize, people have come into the epoch of internet Web 2.0.Traditional means of paying in cash develop into Web bank's friendship gradually
Easily, e-credit, eCheck or electronic cash payment.Resulting result be increasing coin (1 jiao, 5
Angle, 1 yuan) lie idle, because coin denominations are small, quantity is more, be inconvenient to check, not aspect carry, and be placed at home,
So as to cumulative, place is occupied, is difficult to handle again, the worry as many people.Meanwhile, need to take traffic when we go on a journey
Often it is badly in need of coin during instrument again, so as to cause the unreasonable distribution of coin resource.
At present, ATM on the market can only realize the access of wholesale face amount cash, not support minor coins to access, at certain
Still the demand of masses can not be met in the case of a little.In addition, the recovery of coin can also be carried out by bank, but some banks are simultaneously
Coin is not provided and reclaims such service, for bank clerk, it is strictly a burden to check these zero paper money, and one carrys out bank's work
It is not many to make personnel, if spending a large amount of human and material resources, time to check coin, and be bound to service of the influence for numerous clients.
And bank can charge to such service：Checking the coin within 500 pieces or zero paper money needs to pay 4 yuan of service charge, such as
Fruit increases by 100 pieces more than 500 pieces, often will add 0.5 yuan.Because temporary according to the Banking Supervision Commission and business bank of Committee of Development and Reform service price
Row management method, bank can collect a charge of zero paper money integral point expense, make up a part of cost.
The content of the invention
In view of the shortcomings of the prior art, reclaimed and exchange system the invention discloses a kind of networking of Intelligent coin, for solving
Certainly coin checks the problem of wasting time and energy, and designs a can network and carries out the system that coin is reclaimed and exchanged.This intelligence
Coin is reclaimed can easily provide the user the recovery and exchange of coin with exchange system, and not need user to pay expense, have
The coin that effect solves masses is worried.Meanwhile, the LCDs for reclaiming changer by coin can attract the investor to carry out
Investment, reduces the input cost that coin reclaims changer, and operation maintenance for after provides funds source, greatly enhances
Its feasibility..
Concrete technical scheme is as follows：
A kind of networking of Intelligent coin is reclaimed and exchange system, including control and interface module and is connected to control and interface mould
Power module, liquid crystal touch control display module on block, wireless communication module, coin recognizing method module, Quick Response Code module, the power supply
Module provides electricity for whole system；The control and interface module as microprocessor, are realized to other each using STM32
The control of module and data transfer；The liquid crystal touch control display module, using liquid crystal touch control display screen, for showing operation circle
Face, shows the coin amount of money and classification information of input；The wireless communication module uses GPRS communication modules, the radio communication
Module collection coin reclaims the information of changer, is saved in memory space；The coin recognizing method module uses reflective high frequency
The different characteristic parameter of coin is detected respectively with the two-way current vortex sensor of low frequency transmission-type composition, for realizing to coin
It is true and false, the differentiation of classification；The Quick Response Code module is used for the electronic account and control and interface module for connecting user；
It is preferred that, the power module is used to provide electricity for other each modules, while power module is by control module
Control, from high-frequency switching power supply module；
It is preferred that, the wireless communication module is the SOCKET communications based on TCP/IP, GPRS network architecture, JAVA
WEB and Alipay or wechat payment interface module are set up；
It is preferred that, the coin recognizing method module is used by data acquisition, three system modules of data processing and man-machine interface
The multi-CPU structure of composition, three system module division of labor are clear and definite, each work independently, ordered while being transmitted further through two-port RAM
Mutually coordinated, close fit is carried out with the mode of data；
It is preferred that, the liquid crystal touch control display module is adopted using 2.4 cun of TFT color liquid crystal dot matrix screens, the liquid crystal dot matrix screen
Driving chip is used as with ILI9325.
Beneficial effect：
The present invention is that a kind of Intelligent coin classification based on internet is reclaimed and exchange system, it is possible to achieve coin and electronics
The conversion of account amount of money, it is flexible to operation, the need for meeting vast colony, change bank's coin processing basic by by hand
Backwardness situation, improve coin business processing efficiency, reduce the masses waiting cost, that is, save human and material resources, time, again
The classification for more quickly and easily realizing coin is reclaimed.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1：Intelligent coin networking is reclaimed and exchange system module connection diagram；
Fig. 2：Intelligent coin networking is reclaimed and exchange system power module pin connection figure；
Fig. 3：Intelligent coin networking is reclaimed and exchange system central computer and Alipay gateway connection figure；
Fig. 4：Intelligent coin networking is reclaimed and exchange system Coin sorting system the general frame；
Fig. 5：Intelligent coin networking is reclaimed and exchange system dsp system design procedure flow chart；
Fig. 6：Intelligent coin networking is reclaimed and exchange system main control module pin connection figure；
Fig. 7：Intelligent coin networking is reclaimed and exchange system current vortex sensor detection module module pin connection figure.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Referring to Fig. 1：A kind of Intelligent coin networking is reclaimed and exchange system, and the present invention provides a kind of technical scheme：A kind of intelligence
Can coin networking reclaim and exchange system, including control and interface module and be connected to control and interface module on power supply mould
Block, liquid crystal touch control display module, wireless communication module, coin recognizing method module, Quick Response Code module, wherein power module are whole system
System provides electricity, it is ensured that the normal operation of system；Control and interface module, as microprocessor, are realized to other using STM32
The control of modules and data transfer；Liquid crystal touch control display module, using liquid crystal touch control display screen, for showing operation circle
Face, shows the information such as the coin amount of money classification of input, and the display interface of touch is more convenient to realize human-machine operation；Radio communication mold
Block uses GPRS communication modules, and wireless communication module collection coin reclaims the information of changer, is saved in storage space, connects
After the instruction for receiving administrative center, administrative center's host computer database can be uploaded to, is used for inquiring about or analyzing；Coin
Identification module is then used to realize, the differentiation of classification true and false to coin, and realizes that counterfeit money is exited, coin is reclaimed and coin is returned,
The Quick Response Code module is used for the electronic account and control and interface module for connecting user.
The principle and function of modules of the present invention are as follows：
1st, power module
Referring to Fig. 2：Stable power supply is extremely important in embedded hardware circuit, and the performance of power supply will directly affect circuit
The stability of system work.This hardware system uses 5v voltage as supply voltage, and STM32F103 operating voltage is
3.3v, because the consumption of hardware circuit overall electric current is little, the stability of comprehensive dc source, using linear Integrated voltage-stabilized power supply core
Piece designs power circuit.This linear Integrated voltage-stabilized power supply chip has precision of voltage regulation height, output voltage stabilization, voltage ripple very
The characteristic such as small, output current ability is strong, it uses simple.Chip periphery circuit only needs simple filter circuit to may make up voltage stabilizing
Circuit.Design is 3.3v hardware circuit operating voltages, AM1086-3.3 inputs the voltage stabilizing of 5v supply voltages from AM1086-3.3
Voltage range 4.7v~12v, output voltage fluctuation range is 3.2v~3.3v.
This circuit accesses 10uf C1 bulky capacitor in power input, filters out low-frequency noise, one 0.1uf of parallel connection
C2 small capacitances, to filter out high-frequency noise, 4.7uf one 0.1uf of C3 bulky capacitors and parallel connection is equally accessed in power output end
Small capacitances, play the role of decoupling, using LED connect a current-limiting resistance R1 be used as power supply indicator.
Power module is used to provide electricity for other each modules, makes system normal operation, while power module is by controlling
Module is controlled.High-frequency switching power supply module is selected herein.Because the species of integrated circuit used in communication equipment is various, its power supply electricity
Pressure is also different, the high-frequency DC-DC insulating power supply module of high power density is used in power communications system, from intermediate bus bar
Voltage (generally 48V direct currents) is transformed into required various DC voltages, can so greatly reduce loss, maintain easily, and peace
Fill, increase very convenient.Typically it can all be directly installed on standard control panel, the requirement to secondary power supply is high power density.Cause
Message capacity is continuously increased, and communication power supply capacity will also be continuously increased.
The characteristics of high-frequency switching power supply module：
(1) efficiency high：Fully realize zero-voltage and zero-current switch in full-load range, it is ensured that switching tube does not have any shut-off
Spike, electric current is pure sine wave, and switching loss is minimum；Export rectifying tube voltage stress extremely low, no reverse current.
(2) small volume：Parallel operation efficiency is very high, and compared with traditional PWM Switching Power Supplies topological project, radiator volume can subtract
Few half.
(3) reliability is high：By using domestically leading optimization design, perfect protection alarm measure and from high
The highly reliable import device of quality, realizes low EMI perfect adaptation in this.
(4) long lifespan：Because temperature is low, the aging speed for delaying component is can dramatically, so as to improve the week life of product
Phase；
The principle of high-frequency switching power supply module：
High-frequency switch module employs passive PFC technologies and advanced pulse width modulation technique (PWM) so that module is imitated
Rate is further improved, and harmonic wave reduces.Module balances input mode using AC three-phase three-wire system 380VAC, in the absence of current in middle wire
Loss.Peak restrained circuit and EMI absorbing circuits are passed through in module exchange input, through full-bridge rectification filter circuit by three-phase alternating current
Repoussage stream is the DC voltage of pulsation, is transformed into high frequency square wave voltage by high-frequency pulsed width modulation converter, then filtered by output rectification
Wave circuit, the output voltage and electric current stablized, when line voltage and load change, feedback adjustment circuit controls arteries and veins
Wide modulation circuit, the width of adjusting pulsewidth so that output voltage and electric current keep stable.
2nd, control and interface module
Control module provides interface, control and coordination coin recognizing method module, the display module for being used to connect other modules
And the work between communication module.
The main control chip selection STM32F103 series microprocessors of the system, STM32 chips are based on aiming at requiring high property
The ARM Cortex-M kernels that energy, low cost, the Embedded Application of low-power consumption are specially designed.Enhanced serial clock frequency reaches
72MHz, is performance highest product in like product；Basic model clock frequency is 36MHz, is compared with the price of 16 products
The performance that 16 products are substantially improved.During clock frequency 72MHz, code is performed from flash memory, STM32 power consumption 36mA are 32 cities
Product least in power-consuming on field, equivalent to 0.5mA/MHz.
STM32 systemic effect has：
(1) integrated embedded Flash and the ARM Cortex-M3 kernels of SRAM memory.Compared with 8/16 equipment,
Cortex-M332 risc processors of ARM provide higher code efficiency.STM32F103xx microcontrollers are embedding with one
Enter the ARM cores of formula, it is possible to compatible all ARM instruments and software.
(2) embedded Flash memory and RAM memory:Built-in up to 512KB embedded Flash, available for storing
Program and data.Up to 64KB embedded SRAM can be written and read (needless to say wait state) with CPU clock speed.
(3) variable static memory:
FSMC is embedded in STM32F103xC, STM32F103xD, STM32F103xE, with 4 piece choosings, supports four kinds
Pattern:Flash, RAM, PSRAM, NOR and NAND.3 FSMC interrupt lines are connected to NVIC after OR.There is no read/write FIFO,
In addition to PCCARD, code is performed from external memory storage, does not support Boot, and target frequency is equal to SYSCLK/2, so working as
When system clock is 72MHz, outside access is carried out according to 36MHz.
(4) nested vectored interrupt controller (NVIC):43 maskable interrupts passages can be handled (not including Cortex-
M3 16 interrupt lines) there is provided 16 interrupt priority levels.The NVIC of close-coupled realizes lower interrupt processing delay, directly
Connect to kernel transmission and interrupt entry vector table address, the NVIC kernel interfaces of close-coupled, it is allowed to interrupt advanced processing, arrived to after
The interruption of higher priority handled, support tail chain, automatically save processor state, interrupt entrance when interruption is exited from
It is dynamic to recover, it is not necessary to which that instruction is intervened.
(5) external interrupt/event controller (EXTI):External interrupt/event controller is by for 19 generation interruption/things
The edge detection device line composition of part request.Every line can be configured separately for select trigger event (rising edge, trailing edge,
Or both can), can also be individually shielded.There is a hang-up register to carry out the state of maintenance breaks request.Work as outside
Occur on line length exceed the inside APB2 clock cycle pulse when, EXTI can be detected.Up to 112 GPIO are connected to 16
Individual external interrupt lines.
(6) clock and startup:System clock selection, but inside 8MHz when reset are still carried out when starting
Crystal oscillator selected be used as cpu clock.The 4-16MHz of outside clock can be selected, and can be monitored to determine whether
Success.In the meantime, controller is prohibited and software interrupt management is also then prohibited.Meanwhile, (for example touch if necessary
To the crystal oscillator used indirectly a failure), the interrupt management of pll clock is completely available.Multiple pre- comparators can be used for configuration
AHB frequencies, including high speed APB (PB2) and low speed APB (APB1), high speed APB highests frequency are 72MHz, low speed APB highests
Frequency be 36MHz.
(7) Boot patterns:When starting, Boot pins are used to a kind of in 3 kinds of Boot options kind selections:From user
Flash is imported, and is imported from system storage, is imported from SRAM.Boot imports program and is located at system storage, for passing through
USART1 is programmed to flash storage again.
(8) power supply power supply plan:VDD, voltage range is 2.0V-3.6V, and external power source is provided by VDD pins, is used for
I/O and internal pressure regulator.VSSA and VDDA, voltage range is 2.0-3.6V, and external analog voltages input, for ADC, resets mould
Block, RC and PLL, within the scope of VDD (ADC is limited in 2.4V), VSSA and VDDA must accordingly be connected to VSS and VDD.
VBAT, voltage range is 1.8-3.6V, is RTC when VDD is invalid, outside 32KHz crystal oscillators and back-up registers are powered (by electricity
Source switching is realized).
3rd, wireless communication module
To cause coin to reclaim changer more information intelligence, more facilitation is managed, system is wireless using GPRS
The communication technology, the data that changer is currently runed, including system mode, the system failure, channel failure, coin gold are reclaimed by coin
Volume classification information, redemption data are wirelessly transmitted to the webserver by reclaiming the GPRS module on changer installed in coin,
The translation function of coin and electronic account is realized, while being easy to manager to grasp these information that coin reclaims changer, is realized
The large scale investment of machine and network management.
Communication module is that the SOCKET communications based on TCP/IP, GPRS network architecture, JAVA WEB and Alipay are micro-
Believe what the modules such as payment interface were set up.System using based on TCP/IP SOCKET communication as self-service coin exchange return existing system with
The transmission means of central computer, and data are transmitted by XML format.The reference of JAVA Thread Pool Technologies causes many coins to convert
Change to return now to communicate with central server real-time online and become possibility.Payment interface, which is introduced, causes the system simply enters account close
Code can complete online payment.The core component of system hardware uses TC35i gsm communication modules, DM9161A ethernet communications
Module and LPC2388ARM chips.Cargo aircraft terminal and Surveillance center can both select to control GPRS module to carry out data by serial ports
Transmitting-receiving, can also select directly to be communicated by ethernet communication module.System centre software architecture uses J2EE frameworks,
Database is then using the MySQL increased income.So operator both by web browser can check that each is converted on any computer
Change the operation situation of system, it is possible to remotely exchange system is controlled.Surveillance center's real-time monitoring system is in Eclipse rings
Border divides into and counted into.Exchange system terminal part is then divided into the development environments of Keil uVision 3.24 and counted into, and is employed
Ucos2 simplifies Software for Design as operating system.It facts have proved, Internet technology is introduced into coin exchange system and brought not
Only it is managerial convenience, more brings the raising of benefit.
(1) the integrated interface module of Alipay and central server：
According to the precious transaction interface specification of standard payment, the interface of Alipay be based on http protocol or HTTPS agreement requests
Response modes.Therefore central computer can be set up and be based on using JAVA HTTPURLCONNECTION and the gateway of Alipay
The connection of http protocol.As shown in Figure 2.
Basic processing is summarized as：Central computer construction request data, central computer send request data, Alipay
System processing requests transaction, Alipay system return to response data, central computer and the data of response are handled.
Existing and Alipay wechat payment system is returned as communications platform, by centring system, coin exchange and is combined in internet
At one piece, allow them to timely transmit and processing information, constitute an entirety.
Coin exchange returns existing system terminal：On the one hand, the terminal passes through the information such as sales situation, quantity of goods, state
The GPRS module or ethernet module being connected with mainboard, Surveillance center is sent to by internet.Simultaneously in monitoring is received
During the control command of the heart, the system realizes various actions according to the requirement of order.
Centring system：Handled according to message is received from self-service coin exchanger terminal.Operator can also pass through
Web browser obtains corresponding information to access centring system.
Alipay wechat system：The Alipay account number cipher provided according to centring system carries out accordingly verifying return money of withholing
Deng.Alipay is that Alibaba is used for ecommerce and developed, its interface be based on http protocol or HTTPS agreement requests/
Response modes, therefore our central computers can utilize JAVA HTTPURLCONNECTION and Alipay foundation be based on
The connection of http protocol.
(2) GPRS wireless communication modules
GPRS wireless communication modules use Thyrite GPRS module GL868-DUAL.Newest GL868-DUAL radio communications
Module be in the market it is minimum, using the GSM/GPRS modules of surface adherent encapsulation technology.GL868-DUAL is one
The GSM/GPRS modules of 900/1800 double frequency are supported, it is using without pin castellated packing technique, possessing extremely low power dissipation, ultra-wide
Temperature range and compact external form.Due to that need not use connector, the cost of the chip uses conventional package skill compared to other
Art considerably cheaper.GL868-DUAL modules are surface adherent sealed in units, and each face of packaging uses metallic plate.This envelope
Dress technology is very suitable for those less complicated and inexpensive 4 layer circuit board applications.Simultaneously as can select manual welding or
Person dismantles, and GL868-DUAL can also be product with smaller capacity application service well.Some other additional characteristic, such as it is integrated
ICP/IP protocol stack, serial multiplexer and long-range AT orders, can expanded application function, it is extra without increasing
Cost.Therefore GL868-DUAL wireless communication modules are suitably applied in various designs closely, meet ROSH protections, essence
Degree is high, and size is small, can be widely applied to coin and reclaims in the equipment such as changer.
GL868-DUAL V3 wireless communication module advantageous features：
A. simply the existing application with GL865 families wireless communication module can be upgraded；
B. it is the optimal platform of the application product of super low-power consumption requirement；
C.PYTHON script interpreters-client can the directly operation Python applications in module；
D. long-term useful solution, is highly suitable for cost requirement very high application product；
E.Premium FOTA management services-support radio firmware upgrading.
4th, coin recognizing method module
(1) Coin sorting is designed
From the principle and characteristic of current vortex sensor, according to size, material of each currency type etc. in Chinese coin system
Feature, devises the two-way current vortex sensor that is made up of reflective high frequency and low frequency transmission-type to detect the difference of coin respectively
Characteristic parameter, (referring to Fig. 7, the principle of frequency modulation type measuring circuit is the change that measured change causes cell winding inductance, and
The change of inductance causes frequency of oscillation to change.Frequency change reflects measured change indirectly.Here current vortex is sensed
The coil of device is to be accessed as an inductance element in oscillator.Upper figure is the schematic diagram of frequency modulation type measuring circuit, and it includes
Two parts of capacitance connecting three point type oscillator and emitter-follower.For the distribution capacity Cx that reduces sensor output cable shadow
Ring, generally cell winding L and adjustment electric capacity C are encapsulated in the sensor, the influence of such cable distributed capacitance is parallel to
On bulky capacitor C22, C23, thus influence to resonant frequency is substantially reduced), and devise corresponding sensor circuit.Whole
In the system hardware mechanism design of individual coin recognizing method system, using by data acquisition, three systems of data processing and man-machine interface
The multi-CPU structure design of module composition, three system module division of labor are clear and definite, each work independently, while further through two-port RAM
The mode of transmission order and data carries out mutually coordinated, close fit.Fig. 3 is system block diagram.
The system uses the master-slave system based on DSP, and wherein DSP carries out data acquisition and processing (DAP), and single-chip microcomputer is to system
It is controlled that there is provided the service such as display, operation, man-machine interface.Fig. 4 is the system construction drawing of Coin sorting system.
Its groundwork process is：Coin successively produces eddy current effect by high and low frequency sensor, signal condition
Eddy current effect information is converted into digital quantity for DSP collections and processing in real time by circuit by proper transformation, and identification result is passed through
HPI interfaces send into single-chip microcomputer, and single-chip microcomputer is then responsible in an appropriate manner including identification result on LCD, meanwhile, rejecting is not inconsistent
Close desired measurand.Fig. 5 is dsp system design procedure flow chart.
The design procedure of dsp system, it is first determined design object, then defines performance indications, selects dsp chip, carries out
Hardware design, hardware debugging and Software for Design, software debugging, finally carry out the system integration and debugging, complete whole design procedure.
DSP is set to carry out gathering and handling in real time to the sensor signal (frequency, amplitude, phase) by conditioning, and can be with conduct
The single chip communication of main frame.
(2) coin discrimination is designed
Discrimination circuit is mainly made up of several parts such as oscillating circuit, sensor, control and display circuit.
The true and false of coin is judged by the size of oscillation output signal frequency, and oscillating circuit is by 555 timers and biography
Sensor is constituted.If inductance and resistance R change in circuit, field will change, if fixing a parameter, can find out frequency
The relation of rate and another parameter.
The core of discrimination system is exactly eddy current sensor, and it, which is determined, differentiates true and false accuracy rate.When different-thickness and material
When the coin of matter is by sensor, different eddy current effects will be caused, so that the equivalent inductance of cell winding will change,
Then multi-resonant oscillating circuit output signal frequency will change gathers the frequency of oscillator signal to the true of coin herein by single-chip microcomputer
Vacation is differentiated.
5th, Quick Response Code module
Quick Response Code identification module major function for control in the connection electronic account of user, Third-party payment side and machine with
Interface module.User when using coin exchanger, it is necessary to first have a Third-party payment side (support at present wechat wallet,
Alipay wallet) electronic account, changer user pays the bill or collected money by existing third party software selection on mobile phone,
After third party software generation Quick Response Code, mobile phone screen is just being subjected to barcode scanning connection to the barcode scanning area of machine, so that by the number of three
According to connecting.The value data of identification will be transferred to control and interface module by Quick Response Code identification module automatically, then by controlling
Other work are completed with interface module.
The Quick Response Code identifying system based on Android platform has been used, Quick Response Code is recognized into system in system architecture design
The platform layer of system, client application layer, high in the clouds process layer carry out hierarchical design, it is ensured that the security of system, according to need
Ask the functional module for the system of providing to divide and use case analysis, finally realize the Core Feature of the coding and decoding of Quick Response Code.
(1) realization of client
Whole client is to be based on Android2.l, Eclipse3.6, ADT8.0.0..
(2) realization of server end
System server terminal is built on the J2EE platforms based on Web, is developed using SSH frameworks.For
Simple build of whole development platform environment is described as follows：Runtime environment JDK1.6, IDE Myeclipse
6.5, server tomcat 6, database MySQL 5.0.
(3) realization of Quick Response Code systematic function
The generation of Quick Response Code is mainly by the AndroidQREncode methods of MyView classes, when front end will need generation
The information of two-dimension code image and QRCODE version numbers are passed in the form of character string type parameter and argument of type integer respectively
AndroidQREncode methods, the parameter that method content wraps SwetakeQRCode.jar to pass on a skill of craft to others using third party is built
QRCODE objects, then the two-dimensional array of Boolean type is converted into QRCODE objects, existed by carrying out circulation paintbrush to array
Two-dimension code pattern is drawn in painting canvas, the image in 2 D code object of Bitmap types is ultimately produced.
(4) realization of two-dimensional code authentication function
By calling third party library SourceForgeQRCode.jar, it is only necessary to by two-dimension code image with
AndroidQRCodelmage types as parameter call jp.sourceforge.qrcode.QRCodeDecoder decode
The string data that method can be parsed, finally enters to string data according to the information type standard being set
Row compare with judge be which kind of information format again give the corresponding operation of user.
When reclaiming function using coin, control is with interface module by the coin amount totals obtained by coin recognizing method module
It is transferred to two-dimensional code generation module；When using coin exchange function, the data that liquid crystal touch screen display module inputs user
Control and interface module are fed back to by sensor technology, then are transferred to two-dimensional code generation module.Two-dimensional code generation module is in life
Into during Quick Response Code, it is necessary to wireless telecommunications system be used by control and interface module, so as to be taken with Third-party payment side
Contact is built, the increase and decrease of user's electronic account amount of money is realized by Third-party payment side.
User need to realize gathering and payment by barcode scanning, so the recovery changer needs to generate specific Quick Response Code.
After recovery function is chosen, after user inserts coin, Coin validator can recognize the amount of money of genuine note, and will send information to control
Information needed is sent to two-dimension code generator, gathering Quick Response Code of the generation for user's barcode scanning by module, control module again.Work as selection
Exchange after function, two-dimension code generator can generate payment code, scanning input Quick Response Code inputs the amount of money that need to be exchanged, confirms payment
Afterwards, system can then eject the coin of the corresponding amount of money.
6th, liquid crystal touch control display module
LCD MODULE is used to provide man machine operation interface, and shows coin information, 2 D code information.Current market
On touch display screen there is multiple interfaces, such as UART interface, SPI interface, I2C interfaces, parallel interface etc..Wherein most
New touch screen module all employs the serial line interfaces such as SPI.Have saving resource, programming convenient using serial line interface etc.
Feature, but screen-refresh speed can be because have limited the reason for interface bandwidth.To obtain faster refresh rate, it is possible to
Frequency is shown using the touch with parallel interface.
This project has used 2.4 cun of common TFT color liquid crystal dot matrix screens of in the market as display module.This color screen is used
ILI9325 is used as driving chip.
Corresponding function on the interface of user's selection, and complete after corresponding operating, liquid crystal display understands two-dimensional code display and other
Relevant information, user completes corresponding function by scanning two bit codes.Weather and the real-time exchange rate can be shown on liquid crystal display simultaneously,
So that user inquires about.
Intelligent coin classification based on internet is reclaimed and exchange system, it is possible to achieve coin turns with the electronic account amount of money
Change, it is flexible to operation, the need for meeting vast colony.Change bank's coin processing basic by manual backwardness situation,
Coin business processing efficiency is improved, the waiting cost of the masses is reduced.Save human and material resources, time, and more rapid and convenient
Realize coin classification reclaim.
The function that the present invention can be realized：
1st, the reasonable distribution of coin resource can be realized.Set hard in public domains such as cell, hospital, school, recreation grounds
Coin reclaims changer, you can easily efficiently to handle idle coin for user, can be carried again when user is badly in need of coin
For coin.And whole flow process is per family free for using.
2nd, the recovery for realizing coin by internet is exchanged.User only needs to carry out barcode scanning operation by Alipay, wechat,
Just the conversion of electronic account and coin can easily be realized.Realized by internet, meet the development in current " internet+" epoch
Trend.
3rd, coin reclaims the connection that changer realizes extension set and exchange by internet, and data message can network in progress
Pass and can be with monitoring remote video.Reach good management effect.
4th, coin recovery changer is simple to operation, and can obtain the information such as weather, news, the real-time exchange rate, is
User provides more services.
5th, display interface can be not only used for operation, can also provide advertising service.Because machine is placed on public area mostly
Domain, is good advertising carrier, it is possible to attract advertiser to be invested, and reduces capital invested.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. a kind of Intelligent coin networking is reclaimed and exchange system, it is characterised in that：Including control and interface module and it is connected to control
System and the power module in interface module, liquid crystal touch control display module, wireless communication module, coin recognizing method module, Quick Response Code mould
Block, the power module provides electricity for whole system；The control and interface module use STM32 as microprocessor, real
The now control to other modules and data transfer；The liquid crystal touch control display module, using liquid crystal touch control display screen, is used for
Operation display interface, shows the coin amount of money and classification information of input；The wireless communication module uses GPRS communication modules, institute
The information that wireless communication module collection coin reclaims changer is stated, is saved in memory space；The coin recognizing method module is used
The two-way current vortex sensor of reflective high frequency and low frequency transmission-type composition detects the different characteristic parameter of coin respectively, is used for
Realize, the differentiation of classification true and false to coin；The Quick Response Code module is used for the electronic account and control and interface for connecting user
Module.
2. Intelligent coin networking according to claim 1 is reclaimed and exchange system, it is characterised in that：The power module is used
In providing electricity for other each modules, while power module is by control module control, from high-frequency switching power supply module.
3. Intelligent coin networking according to claim 1 is reclaimed and exchange system, it is characterised in that：The radio communication mold
Block is the SOCKET communications based on TCP/IP, GPRS network architecture, JAVA WEB and Alipay or wechat payment interface mould
Block is set up.
4. Intelligent coin networking according to claim 1 is reclaimed and exchange system, it is characterised in that：The coin recognizing method mould
Block uses the multi-CPU structure being made up of data acquisition, three system modules of data processing and man-machine interface, three system modules point
Work is clear and definite, each works independently, while it is mutually coordinated to order the mode with data to carry out further through two-port RAM transmission, closely
Coordinate.
5. Intelligent coin networking according to claim 1 is reclaimed and exchange system, it is characterised in that：The liquid crystal touch control shows
Show module using 2.4 cun of TFT color liquid crystal dot matrix screens, the liquid crystal dot matrix screen is used as driving chip using ILI9325.
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