CN103279781A - Mobile terminal based on GPRS technology and RFID technology - Google Patents
Mobile terminal based on GPRS technology and RFID technology Download PDFInfo
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- CN103279781A CN103279781A CN2013102477237A CN201310247723A CN103279781A CN 103279781 A CN103279781 A CN 103279781A CN 2013102477237 A CN2013102477237 A CN 2013102477237A CN 201310247723 A CN201310247723 A CN 201310247723A CN 103279781 A CN103279781 A CN 103279781A
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Abstract
The invention discloses a mobile terminal based on a GPRS technology and an RFID technology, and belongs to the technical field of Internet of things mobile terminals. The mobile terminal comprises a terminal shell, a terminal MCU master control module and the like. The terminal MCU master control module, a GPRS communication module and the like are installed inside the terminal shell. Various parts are mutually connected through wires. The terminal MCU master control module is in data transmission connection with the GPRS communication module, an RFID high-frequency card reading module and the like through data lines. Industrial grade components are adopted in a terminal master control MCU module and the like, and normal operation can be achieved in the lower temperature and severe environment. Worker identity recognition is achieved through a high-frequency card swiping function, and workers who are not permitted can not conduct operation after swiping cards. The mobile terminal is compact in structure, data input transmission is stable and reliable, a large keyboard operation Nixie tube type display mode can be easily understood, and thus the mobile terminal is an ideal wireless data transmission and radio frequency identification mobile terminal.
Description
Technical field
The invention belongs to Internet of Things mobile terminal machine technology field, particularly relate to a kind of mobile terminal apparatus based on GPRS and RFID technology.
Background technology
Along with high speed development and the widespread use of technology of Internet of things, the Internet of Things epoch are just influencing and are changing the development of every profession and trade with unprecedented speed.At the heavy market management aspect, people no longer are satisfied with backward traditional labor management and manual record data, and easy enterprise security environmental functional demand.And just with the production environment of pursuing safe, informationization, intellectuality, digitizing and safety as a desirable target, i.e. the intelligent management enterprise of information age.
The intelligent management technology is applied in large-scale commodities trading market, plant husbandry, aquaculture, the storage, and forms a kind of emerging industry with this.And the present enterprise of the mobile terminal machine final body of GPRS and RFID technology uses multiple information technology (MIT), and reaching monitoring and the degree of information interaction, intelligent managing and control system must provide the support in the relevant equipment on physics and logic aspect, technology and multiple information source for this reason.
Be called as Chinese invention patent publication number " CN101615058 " name " embedded intelligent terminal " patent disclosure a kind of embedded intelligent terminal, it integrates printer, liquid crystal display, keyboard input, touch-screen input, call voice, bar-code reader, magnetic card reader, IC-card read write line, RFID frequency read/write.Function is many, applicability is strong, can satisfy client's actual demand to greatest extent, and the energy wide popularization and application is in all kinds of enterprises and commercial service site.
This kind embedded intelligent terminal, function are comparatively complicated, operation is more loaded down with trivial details, cost is high, under low temperature or environment condition of severe, the situation of job insecurity can occur.
Be called as Chinese invention patent publication number " CN102801771A " name " movably complex data communicator " patent disclosure a kind of movably complex data communicator, it is characterized in that the signal output/input end of RFID/ bar code read/write head and the signal I/O end of USB/RS-232 join.Signal output/the input end of WI-FI/3G/GPRS modular converter joins through the signal I/O end of USB interface and embedded-type ARM core board.The radio communication modular converter is installed in the embedded-type ARM, and the signal output/input end of module and antenna and the signal output/input end of USB/RS-232 serial ports join with the signal I/O end of embedded-type ARM core board respectively.The power output end of chargeable lithium cell and embedded-type ARM power input join.Advantage: adopting radio RF recognition technology to carry out the intelligent management field, finish the communication function that multiple data and control information is carried out compound transmission and relaying, set up simultaneously and finish data acquisition and the transmitted in both directions of data terminal under wireless mode, have real-time and mobility.
Movably complex data communicator application scope is little for this kind, and the collection of data is only limited under the wireless mode, can not carry out the data typing, reaches the visual of relevant information, and extensibility is relatively poor.
Summary of the invention
Technical matters to be solved by this invention is: a kind of mobile terminal apparatus based on GPRS and RFID technology is provided, satisfies on-the-spot needs with simple to operate, by force stable and low cost, solve the problems that exist in the prior art.
A kind of mobile terminal machine based on GPRS and RFID technology is characterized in that: comprise terminal enclosure, terminal MCU main control module, GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, data memory module, pilot lamp, gauge tap;
The inside of described terminal enclosure is equipped with terminal MCU main control module, GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, data memory module, pilot lamp, gauge tap, and interconnects by lead between the each several part;
Described terminal MCU main control module carries out data transmission and is connected with GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, pilot lamp, gauge tap by data line.
Described terminal MCU main control module comprise power supply stabilization circuit, RS232 serial ports change-over circuit, auditory tone cues electric circuit, A the D Acquisition Circuit, and interconnect by lead between the each several part;
Wherein auditory tone cues electric circuit is equipped with the low electric weight alarm Mike of battery, data transmission prompting Mike.
Described GPRS communication module is equipped with built-in aerial, and the GPRS communication module is by SIM card communication place in circuit, data transmission circuit, and ARM7 controller, power supply stabilization circuit are formed, and interconnected by lead between the each several part;
Wherein data transmission circuit is made up of RS232 data transmission circuit and RS485 data transmission circuit, and interconnects by lead between the each several part.
Described RFID high frequency card reading module comprises card number read module, information data writing module, serial ports analog data transmissions module, and the URAT interface of high frequency card reading module is connected by lead with main control module MCU.
Described RFID low frequency card reading module comprises card number read module and serial ports analog data transmissions module, and the URAT interface of low frequency card reading module is connected by lead with main control module MCU.
The viewing area of described charactron display module is equipped with nine charactrons, and the drive end of charactron is connected by lead with the IO pin of main control module MCU.
Described Temperature Humidity Sensor module is connected by connector with the IO pin of main control module MCU.
Described keyboard load module is connected by winding displacement with the IO pin of control module MCU.
Described charged lithium cells input voltage is 12.6VDC, and output voltage is 12.6VDC/6800mAh～10.8VDC/6800mAh.
Wherein the lithium battery output terminal is connected with main control module power supply input end by lead.
Described data memory module is equipped with the SD card, and is connected with the IO pin of main control module MCU by lead.
Can bring following beneficial effect by above-mentioned design proposal the present invention: the mobile terminal machine based on GPRS and RFID technology of the present invention, adopt GPRS mechanics of communication and RFID radio-frequency technique, realized the handheld terminal wireless data communication and the identification of swiping the card in large-scale agricultural product, livestock trade market, as fruit, vegetables, poultry etc.; Application in aquaculture intelligent management, storage intelligent management and the food safety trace back.The main control MCU module of mobile terminal machine, GPRS communication module, RFID high frequency card reading module, the low card reading module of RFID adopt the design of technical grade components and parts, and stability is high, can operate as normal under low temperature and rugged environment.The terminating machine data are transferred to the server admin platform by GPRS network, carrying out statistical study by server handles, the distinctive high frequency function of swiping card of mobile terminal machine can be realized identification and the rights management to the work management personnel, do not have the work management personnel of authority or inoperative personnel after holding and swiping the card, can't carry out any operation to portable terminal.This machine advanced and reasonable design, compactness rational in infrastructure, safety and stability input reliable, data are transmitted reliable and stable; And adopting big keyboard-type operation, digital tubular type to show, be easily understood, is very good wireless data transmission and radio-frequency (RF) identification mobile terminal machine.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments:
Fig. 1 is mobile terminal machine structural representation of the present invention.
Fig. 2 is terminal MCU main control module principle schematic of the present invention.
Fig. 3 is charactron display module principle schematic of the present invention.
Fig. 4 is GPRS communication module principle schematic of the present invention.
Embodiment
See also Fig. 1 to shown in Figure 4, based on the mobile terminal machine of GPRS and RFID technology,
It comprises: terminal enclosure, terminal MCU main control module, GPRS communication module, RFID high frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, chargeable lithium cell, data memory module, pilot lamp, gauge tap are formed;
The unification of terminal MCU main control module manages each module, handles gathering and receive and dispatch data,
The GPRS communication module transmits and receives data, and signal cover is big, as long as move/be linked with the place that signal covers, all can carry out data communication, adopts built-in aerial,
RFID high frequency card reading module is used for reading high frequency 13.56MHz and blocks in vain, and card number is sent to terminal MCU main control module handles, and realizes the identification of holder's identity information, and RFID high frequency card reading module is carried out read-write operation with the 14443A protocol specification to rfid card,
The charactron display module is used for display button information and transmission, reception information, is not subjected to the influence of low temperature, and the viewing area is totally nine charactrons,
The Temperature Humidity Sensor module is gathered on-the-spot humiture in real time, and with collection result, is sent to the MCU main control module and handles,
The keyboard load module is used for the typing of real time data and the shortcut typing of correlation function,
Low electric weight detection module is used for monitoring terminal machine lithium battery voltage, produces audible alarm when battery hangs down electric weight,
Chargeable lithium cell is used for terminating machine is powered, and supply voltage is 12.6VDC,
Data memory module is used for when uploading data data being carried out the secondary storage, realizes the backup of data,
Pilot lamp is divided into redness and green, and redness is power light, and green is the pilot lamp of swiping the card,
Gauge tap is used for the startup and shutdown of control terminal machine.
Further improvement as such scheme, wherein said terminal MCU main control module, formed by RS232 serial communication circuit, serial port programming circuit, buzzer drive circuit, A/D voltage collection circuit, signal input circuit, signal indicating circuit, filtering circuit, lithium battery voltage stabilizing change-over circuit, connected by lead between the each several part, lithium battery provides the supply voltage of positive 10.6V-12.6V, and insert lithium battery voltage stabilizing change-over circuit by lead, lithium battery voltage is converted to+5V and+voltage of 3.3V supplies with the power supply of each parallel circuit+Vcc and holds and be connected.
Wherein, the RS232 serial communication circuit is divided into RFID high frequency card reading module serial interface and GPRS communication module serial interface, is connected with two modules by lead, realizes the mutual communication of intermodule.
Described A/D voltage collection circuit adopts bleeder circuit that the current magnitude of voltage of lithium battery is gathered, and divider resistance adopts precision resister, realizes the precise voltage collection, and voltage after partial is connected with the IO pin of main control module MCU.
Further improvement as such scheme, wherein said GPRS communication module, by GPRS transceiver circuit, SIM card communication place in circuit, RS232 serial ports mimic channel, RS485 interface communication circuit, ARM7 controller circuitry, supply voltage switch voltage-stabilizing circuit, patch the connection circuit and form, connected by lead between each circuit.
As the further improvement of such scheme, wherein said RFID high frequency card reading module is by Card Reader/write the core of the card sheet circuit, microcontroller circuit, buzzer drive circuit, pilot lamp, patch and connect circuit and form.
As the further improvement of such scheme, wherein, described data memory module is realized the data backup of card using information, sensor information, keyboard entry information with the equipment of SD card as the data storage.
As the further improvement of such scheme, wherein said pilot lamp further comprises red power light, green GPRS pilot lamp, and during the flicker of GPRS pilot lamp, the GPRS module network can not be worked; Normal when bright, the GPRS module network can operate as normal.
The mobile terminal machine adopts the GPRS network mechanics of communication to carry out data information transfer, realize " point-to-point " transmission, directly card number information and keyboard logging data information are sent the server admin platform eventually by the GPRS net, carried out the statistical study of data message by server and handle, realization the present invention is based on the communication of the mobile terminal machine of GPRS and RFID technology.
Open portable terminal, the STC microprocessor powers on to module, and each module carried out initialization, the SIM card card number binds together in mobile terminal IP and the GPRS communication module, be that card number is exactly the mobile terminal IP address, realize that a station server can connect a plurality of mobile phones, the data message of multiple spot is uploaded in real time.
In this embodiment, this GPRS communication module frequency of operation adopts 2.4GHz, and interface mode adopts URAT, links to each other with the URAT0 interface of STC microprocessor, carries out the transmitting-receiving of information data,
Wherein the correlation parameter of GPRS communication module need arrange separately, and by Serial Port Line (RS232) module being linked to each other with PC arranges, and configuration information comprises: correlation parameter information such as destination service clothes device IP address, baud rate, destination port number.
RFID high frequency card reading module is used for realizing reading of work management personnel identity information and writing of related personnel's essential information, the module frequency of operation adopts 13.56 megahertzes, interface mode adopts URAT, link to each other with the URAT1 interface of STC microprocessor, give the STC microprocessor related information transmission in the label card card number of the high frequency 13.56MHz that reads and the card, processor is judged the operating right of this card number automatically, so card number has operating right, the work management personnel can be by keyboard load module typing related data information and the operation of carrying out relevant shortcut, so card does not have authority, the work management personnel can not carry out any operation to portable terminal, as: at heavy market, staff and client conclude the business, open portable terminal, the staff swipes the card first and carries out the judgement of operating right, after portable terminal confirms that this card has authority, client's operation of swiping the card again, staff's input style then, quantity, unit price information, after pressing " determining " key, by GPRS data message is uploaded onto the server.
RFID low frequency card reading module frequency of operation adopts 125KHz-135KHz, and interface mode adopts URAT, links to each other with the URAT1 interface of STC microprocessor, gives the STC microprocessor related information transmission in the label card card number of the low frequency that reads and the card.
Wherein, described keyboard load module comprises functional areas and digital block, and the keyboard arrangement form is the 4*5 keyboard, is used for realizing data typing and shortcut operation, and keyboard interface links to each other with STC microprocessor GPIO mouth.
The charactron display module is used for the display keyboard operation data of input in real time, and the return message when swiping the card, uploading data successes or failure, can operate as normal under the condition of and low temperature abominable at environment, driving chip is MC74HC595 and MAX7219CWG, and be connected on the STC microprocessor GPIO mouth, the charactron display module adopts 3 minutes battery saving mode, and keypad wakes demonstration up, wakes up not have in back 3 minutes to operate to enter dormant state automatically.
Low electric weight detection module adopts the precision resister bleeder circuit, and after lithium battery voltage dividing potential drop, the A/D that output terminal is connected to the STC microprocessor gathers on the port, in real time lithium battery is compressed into the row monitoring.
Wherein, 10 own analog quantitys of A/D of STC microprocessor processing that converts is adopted in the A/D data acquisition.
The CPU of portable terminal MCU main control module of the present invention all adopts the STC12C5A60S2 microprocessor, the GPRS communication module adopts the ARM7 microprocessor, and the GSM chip adopts the G610 chip, and RFID high frequency card reading module adopts professional Card Reader chip RC522, all chips adopt technical grade chip, stable performance.
Outer extension memory (SD card) is for the storage of storing data information, service data and the secondary backup that data message is uploaded.
Mobile terminal machine based on GPRS and RFID technology of the present invention can be achieved as follows function: the transmission of GPRS wireless data and RFID radio frequency Card Reader.Traditional movable type (hand-held) terminating machine function is single relatively, poor expandability, cost height all, under low temperature or environment condition of severe, job insecurity can occur; Native system is integrated two kinds of functions, and extensibility is strong, stability is strong, cost is low, under low temperature or environment condition of severe, and can operate as normal.In the application of specific occasion, can lower labour cost to a great extent, save managerial personnel and operating personnel's time.
The embodiment of the above is preferred embodiments of the present invention, is not to limit concrete practical range of the present invention with this, and the equivalence that all shapes according to the present invention, structure are done changes all in protection scope of the present invention.
Claims (10)
1. the mobile terminal machine based on GPRS and RFID technology is characterized in that: comprise terminal enclosure, terminal MCU main control module, GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, data memory module, pilot lamp, gauge tap;
The inside of described terminal enclosure is equipped with terminal MCU main control module, GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, data memory module, pilot lamp, gauge tap, and interconnects by lead between the each several part;
Described terminal MCU main control module carries out data transmission and is connected with GPRS communication module, RFID high frequency card reading module, RFID low frequency card reading module, charactron display module, Temperature Humidity Sensor module, keyboard load module, low electric weight detection module, charged lithium cells, pilot lamp, gauge tap by data line.
2. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described terminal MCU main control module comprise power supply stabilization circuit, RS232 serial ports change-over circuit, auditory tone cues electric circuit, A the D Acquisition Circuit, and interconnect by lead between the each several part;
Wherein auditory tone cues electric circuit is equipped with the low electric weight alarm Mike of battery, data transmission prompting Mike.
3. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described GPRS communication module is equipped with built-in aerial, the GPRS communication module is by SIM card communication place in circuit, data transmission circuit, ARM7 controller, power supply stabilization circuit are formed, and are interconnected by lead between the each several part;
Wherein data transmission circuit is made up of RS232 data transmission circuit and RS485 data transmission circuit, and interconnects by lead between the each several part.
4. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described RFID high frequency card reading module comprises card number read module, information data writing module, serial ports analog data transmissions module, and the URAT interface of high frequency card reading module is connected by lead with main control module MCU.
5. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described RFID low frequency card reading module comprises card number read module and serial ports analog data transmissions module, and the URAT interface of low frequency card reading module is connected by lead with main control module MCU.
6. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: the viewing area of described charactron display module is equipped with nine charactrons, and the drive end of charactron is connected by lead with the IO pin of main control module MCU.
7. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described Temperature Humidity Sensor module is connected by connector with the IO pin of main control module MCU.
8. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1 is characterized in that: described keyboard load module is connected by winding displacement with the IO pin of control module MCU.
9. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described charged lithium cells input voltage is 12.6VDC, output voltage is 12.6VDC/6800mAh～10.8VDC/6800mAh.
Wherein the lithium battery output terminal is connected with main control module power supply input end by lead.
10. a kind of mobile terminal machine based on GPRS and RFID technology according to claim 1, it is characterized in that: described data memory module is equipped with the SD card, and is connected with the IO pin of main control module MCU by lead.
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| CN107392708A (en) * | 2017-07-18 | 2017-11-24 | 福农宝（厦门）大数据科技有限公司 | A kind of agricultural product B2B transaction platforms based on scheduling data |
| CN107883999A (en) * | 2016-09-29 | 2018-04-06 | 上海华测导航技术股份有限公司 | A kind of multiple sensor data acquisition device and data acquisition and deriving method |
| CN109934315A (en) * | 2019-02-28 | 2019-06-25 | 深圳毅能达金融信息股份有限公司 | A kind of multi-function intelligent card identification equipment |
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