CN105136257A - Vegetable and meat foodstuff traceablility scale - Google Patents
Vegetable and meat foodstuff traceablility scale Download PDFInfo
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- CN105136257A CN105136257A CN201510237622.0A CN201510237622A CN105136257A CN 105136257 A CN105136257 A CN 105136257A CN 201510237622 A CN201510237622 A CN 201510237622A CN 105136257 A CN105136257 A CN 105136257A
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Abstract
The invention discloses a vegetable and meat foodstuff traceablility scale. The vegetable and meat foodstuff traceablility scale is characterized by comprising a main controller module, a data storage module, a weighing module, a data communication module, a radio frequency identification module, a printing module and a man-machine interaction module, wherein the main controller module is used for controlling operation of the whole system, the data storage module is used for storing transaction information, the weighing module is used for acquiring product weight, the data communication module is used for establishing wireless communication with a host computer and sending the transaction information to the host computer, the radio frequency identification module is used for reading information of electronic labels and sending data to a main controller, the printing module is used for printing consumption bills and traceablility code information, and the man-machine interaction module comprises a liquid crystal display, a button input end and a communication interface. In a transaction process, a retailer reads real-name authenticated IC cards through radio frequency identification, information of vegetable products in each stage from production to retail is stored in the IC cards, the information is read by the radio frequency identification module and is then sent to the main controller, the information and traceablility codes are printed through the main controller onto consumption receipts through which a consumer can query to know whether purchased foodstuff is qualified, moreover, the transaction information is sent by the wireless communication module through WiFi to the host computer.
Description
Technical field
The present invention relates to a kind of electronic transaction scale, be specifically related to a kind of vegetables meat product and trace to the source scale.
Background technology
Along with the raising of the flourish of market economy and people's living standard, meat and vegetables occupy significant proportion in resident's diet, set up green safety can quality-assured food traceability system be the people in the urgent need to.In the epoch that chemical products is growing, food-safety problem is day by day out in the cold, plasticiser, clenbuterol hydrochloride, then to waste oil, purple steamed bun etc., food safety affair impels people to recognize the harm of modern chemistry food gradually.The phenomenon of electronic scales short weight is at present also more serious simultaneously: the mode that some businessmans can be shown by wireless remote control weight obtains unlawful interests, some brand scales can according to the display of reserved programming data change weight, these cheatings, seriously compromise the competition mechanism that market is proper, the maximum effect brought is that the sincerity of consumer to businessman loses confidence, brings extreme loss to enterprise and country.For this problem, single be difficult to technically stop, therefore need supervision department to work out relevant regulation, the unification that such as Department of Qulity Supervision proposes at present is joined scale and producer and is sold the management put on record etc. and go specification to measure.
Internet of Things is the product of Information Technology Development, refer to and by the mechanics of communication such as radio-frequency (RF) identification, internet, controller, sensor object to be linked together, realize intelligentized demand, the function that it comprises internet also can realize the function that virtual and real thing is connected.Along with the development of Internet of Things, its technology is also used in the links of agricultural production.Trace to the source scale, also crying and review scale, network scale or radio-frequency (RF) identification balance, is the large application of technology of Internet of things in people's livelihood engineering.The key link that scale of tracing to the source satisfies the needs of consumers in traceability system plays an important role, have obtain merchandise news, valuate, weigh, print the information of tracing to the source and and control center connect and realize the effect of in real time monitoring and exchanges data, shopping receipt can be printed after having concluded the business, commodity that consumer query is bought can be allowed whether regular or qualified, and can be concrete view commodity from producing the information of each link to sales process
Summary of the invention
The present invention cannot meet the requirement of tracing to the source mainly for the electronic scales that vegetables meat product traceability system key link-terminal link is traditional in process of exchange, designs a kind of low-power consumption, scale traced to the source by the vegetables meat product of high intelligence; A kind of vegetables meat product designed by the present invention is traced to the source scale, by main controller module, data memory module, Weighing module, data communication module, radio frequency identification module, print module, human-computer interaction module; Main controller module is responsible for whole system and is run, data memory module is responsible for store transaction information, Weighing module gathers commodity weight, data communication module is responsible for and host computer is set up radio communication and Transaction Information is sent to host computer, data are sent to master controller by the information in radio frequency identification module reading electronic labels, print module prints consumer bills and the information such as code of tracing to the source, and human-computer interaction module comprises liquid crystal display, key-press input, communication interface; Retailer is in process of exchange, the IC-card of real-name authentication is read by radio-frequency (RF) identification, in IC-card, storing vegetable series products is from the information of producing links in the middle of retail, master controller is sent to after radio frequency identification module reading information, whether information prints on consumption receipt by master controller together with code of tracing to the source qualified for consumer query purchase food, meanwhile, Transaction Information is sent to host computer by WiFi by wireless communication module.
Described master controller adopts NXPLPC1788 controller, LPC1788 is Cortex-M3 core controller, and maximum operation frequency 120MHz has the feature of high integration and low-power consumption, master controller is responsible for whole system and is run, and produces the code of tracing to the source of transaction according to internal clocking.
Described data memory module adopts K9F1G08 spread F lash to store Hanzi font library and adopts Large Copacity SD card store transactional data, each closing the transaction, Transaction Information all can be sent to host computer and and be stored in the machine SD card easy-to-look-up, information can preserve several ten thousand.
Described Weighing module adopts resistance-strain chip pressure transducer to gather commodity weight, and the signal of output is input to master controller and obtains commodity weight information after high-precision AD conversion chip HX711 and peripheral circuit AD conversion thereof.
Described wireless communication module adopts CC3000 and peripheral circuit thereof to form WiFi module and communicates with host computer.
Described radio frequency identification module adopts MFRC522 and peripheral circuit thereof to form, and radio-frequency (RF) identification controller MSP430F149 is communicated with MFRC522 by SPI mode.
Described print module adopts thermal printer, after closing the transaction, consumer bills prints the Quick Response Code, the information such as code of tracing to the source that are used for mobile telephone scanning.
Described human-computer interaction module comprises LCD MODULE, communication interface modules; LCD MODULE adopts 7 cun of touch-screen display Transaction Informations, and communication interface modules comprises usb interface module, PS/2 interface module is expanded for button.
The invention has the beneficial effects as follows:
(1) described a kind of vegetables meat product is traced to the source scale, by the mode of radio-frequency (RF) identification, vegetables meat product is uploaded to host computer from the information of producing sales section and passes to consumer, realizing the function of foodstuff traceability.
(1) described a kind of vegetables meat product is traced to the source scale, carries out transaction monitoring and data transmission by the mode of wireless networking, avoids the problem of traditional transaction system wiring inconvenience.
(2) described a kind of vegetables meat product is traced to the source scale, has RFID radio frequency recognition function, without the need to more manual intervention, improves automaticity and saves human resources and raise the efficiency.
(3) described a kind of vegetables meat product is traced to the source scale, adopts NXPLPC1788 and MSP430F149 dual processor, has higher extendability and processing speed faster.
(4) described a kind of vegetables meat product is traced to the source scale, and built-in Large Copacity SD card, can store more transaction data, and after power down, data can not be lost.
Accompanying drawing explanation
Fig. 1 is scale one-piece construction schematic diagram of tracing to the source.
Fig. 2 is rfid interrogator circuit diagram.
Fig. 3 is SD card and PS/2 interface circuit figure.
Fig. 4 is LOAD CELLS circuit diagram.
Fig. 5 is WiFi module circuit diagram.
Fig. 6 is usb circuit figure.
Fig. 7 is that NXPLPC1788 minimum system and part use pinouts.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, system of the present invention comprises: main controller module, data memory module, Weighing module, data communication module, radio frequency identification module, print module, human-computer interaction module; Main controller module is responsible for whole system and is run, data memory module is responsible for store transaction information, Weighing module gathers commodity weight, data communication module is responsible for and host computer is set up radio communication and Transaction Information is sent to host computer, data are sent to master controller by the information in radio frequency identification module reading electronic labels, print module prints consumer bills, and human-computer interaction module comprises liquid crystal display, key-press input, communication interface.In process of exchange, scale of tracing to the source reads containing trade name, the place of production, produces the label of the information such as date, produce according to information such as exchange hours simultaneously and trace to the source code for merchandise query, these information are stored in the machine on the one hand, can upload to host computer on the other hand by WiFi.
As shown in Figure 2, be radio frequency identification module and communication interface circuit figure, comprise MSP430F149 minimum system and MFRC522 peripheral circuit and serial communication circuit.Wherein, 3.3V power supply gives No. 1 pin and No. 64 pin powereds, and crystal oscillator Y2 two end receives No. 8 pins and No. 9 pins, and crystal oscillator Y1 two end receives 52 and No. 53 pins, simultaneously ground connection after electric capacity C1, C2 after filtering.R37, R38, C28, S1 form reset circuit, and reset signal receives No. 58 pins, and I/O port is drawn by JP1, JP2, JP3, JP4.MFRC522 peripheral circuit can be divided into three parts: feed circuit, crystal oscillating circuit, antenna circuit.MFRC522 adopts 3.3V power voltage supply, 2,3,12,15, No. 32 pins receive power supply VCC, 4,5,10, No. 18 pins receive GND, 21,22 pins receive ground connection after two filter capacitors after connecing 27.12M crystal oscillator, L1, L2, C7, C8 form low-pass filter circuit, receive 11 of MRRC522,13 and 14 pins, and C9, C10, C11, C12 composition impedance matching circuit is connected to antenna and makes through-put power maximum, R1, R2, C13 form receiving circuit, and C14 plays the effect reducing interference.29,30,31,24, No. 6 pins of MERC522 receive P3.3, P3.1, P3.2, P2.7, P2.3 of MSP430F149 respectively.MSP430F149 needs to communicate with master controller, system adopts serial communication mode, serial ports conversion chip adopts MAX232, and No. 1 pin and No. 3 pin meet electric capacity C18, and No. 4 pin and No. 5 pin meet electric capacity C23, No. 16 pin connect 3.3V power supply, the indirect electric capacity C19 of No. 2 pin and No. 16 pins, No. 15 pin ground connection, the indirect electric capacity C22 of No. 6 pin and No. 15 pin, P3.4P3.5P3.6P3.7 receives 11,10,12, No. 9 pin, and 14,7,13, No. 8 pin are received and are drawn out to P11.
As shown in Figure 3, for SD card and PS/2 interface circuit figure, SD card No. 4 foot control power supplies are received in MOSFET drain electrode, grid receives NXPLPC1788 master controller No. 156 pin, source electrode receives 3.3V power supply, SD card 3,6,12,13,15 pin ground connection, 11,10,8,7,52,1,9 101,173,108,171,185,177,102, No. 106 pins receiving NXPLPC1788 respectively, PS/2 interface No. 3 pin meet GND, No. 4 pin connect 5V power supply, and No. 1 pin and No. 5 pin are drawn out to P12 after divider resistance.
As shown in Figure 4, SENSOR shows sensor signal and exports, and 1,16 pin of HX711 chip receive 5V power supply VCC, and HX711 chip No. 2 pin receive the base stage of triode Q1, and the emitter of Q1 is received after VCC by C1 ground connection.HX711 chip No. 11 pins are clock signal line, and the 3.3V control signal of controller is converted into 5V through the circuit that Q3 is formed and is input to No. 11 pin, and the output signal of 12 pin is input to master controller after dividing potential drop.
As shown in Figure 5, for WiFi communication module circuit diagram, 1,9,10,11,16,18,37,38,39,40,20,21,22,25,41,42,43,44,45,46,31,32,33,34,36 pin ground connection of CC3000 chip, 19, No. 23 pin connect power supply, No. 35 pins receive antenna after match circuit, J1 is power test interface, CC3000 and master controller adopt SPI mode to communicate, and 12,13,14,15, No. 17 pins receive 130,126,120,124,122 pins of NXPLPC1788.
As shown in Figure 6, for usb circuit figure, PRTR5V0U2X protect two high-speed datas or radio-frequency signal line from the impact of static discharge with other transitions, LM3526 realizes USB power source switch and overcurrent protection, and HOST500 is USB interface.
As shown in Figure 7, be NXPLPC1788 minimum system and use pin circuitry figure, comprise crystal oscillating circuit, reset circuit, jtag circuit and touch chip circuit.
Claims (8)
1. vegetables meat product is traced to the source a scale, and its feature comprises: scale system of tracing to the source comprises: main controller module, data memory module, Weighing module, data communication module, radio frequency identification module, print module, human-computer interaction module; Main controller module is responsible for whole system and is run, data memory module is responsible for store transaction information, Weighing module gathers commodity weight, data communication module is responsible for and host computer is set up radio communication and Transaction Information is sent to host computer, data are sent to master controller by the information in radio frequency identification module reading electronic labels, print module prints consumer bills and the information such as code of tracing to the source, and human-computer interaction module comprises liquid crystal display, key-press input, communication interface; Retailer is in process of exchange, the IC-card of real-name authentication is read by radio-frequency (RF) identification, in IC-card, storing vegetable series products is from the information of producing links in the middle of retail, master controller is sent to after radio frequency identification module reading information, whether information prints on consumption receipt by master controller together with code of tracing to the source qualified for consumer query purchase food, meanwhile, Transaction Information is sent to host computer by WiFi by wireless communication module.
2. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described master controller adopts NXPLPC1788 controller, LPC1788 is Cortex-M3 core controller, maximum operation frequency 120MHz, there is the feature of high integration and low-power consumption, master controller is responsible for whole system and is run, and produces one group according to internal clocking and to trace to the source code with unique transaction of time correlation.
3. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described data memory module adopts K9F1G08 spread F lash to store Hanzi font library and adopts Large Copacity SD card store transactional data, each closing the transaction, Transaction Information all can be sent to host computer and and be stored in the machine SD card easy-to-look-up, information can preserve several ten thousand.
4. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described Weighing module adopts resistance-strain chip pressure transducer to gather commodity weight, and the signal of output is input to master controller and obtains commodity weight information after high-precision AD conversion chip HX711 and peripheral circuit AD conversion thereof.
5. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described wireless communication module adopts CC3000 and peripheral circuit thereof to form WiFi module and communicates with host computer.
6. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described radio frequency identification module adopts MFRC522 and peripheral circuit thereof to form, and radio-frequency (RF) identification controller MSP430F149 is communicated with MFRC522 by SPI mode.
7. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described print module adopts thermal printer, after closing the transaction, consumer bills prints the Quick Response Code, the information such as code of tracing to the source that are used for mobile telephone scanning.
8. a kind of vegetables meat product is traced to the source scale as claimed in claim 1, it is characterized in that: described human-computer interaction module comprises LCD MODULE, communication interface modules; LCD MODULE adopts 7 cun of touch-screen display Transaction Informations, and communication interface modules comprises usb interface module, PS/2 interface module is expanded for button.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237622.0A CN105136257A (en) | 2015-05-11 | 2015-05-11 | Vegetable and meat foodstuff traceablility scale |
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| CN201510237622.0A CN105136257A (en) | 2015-05-11 | 2015-05-11 | Vegetable and meat foodstuff traceablility scale |
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| CN201510237622.0A Pending CN105136257A (en) | 2015-05-11 | 2015-05-11 | Vegetable and meat foodstuff traceablility scale |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105678559A (en) * | 2016-01-13 | 2016-06-15 | 昆明理工大学 | Fresh meat safety traceablility terminal based on two-dimensional code |
| CN106297097A (en) * | 2016-08-01 | 2017-01-04 | 昆明理工大学 | A kind of Bluetooth handheld formula weight measures transmission and note printer in real time |
| CN106781109A (en) * | 2016-12-30 | 2017-05-31 | 天津经纶科技有限公司 | A kind of equipment for pure water online transaction |
| CN107068183A (en) * | 2016-12-27 | 2017-08-18 | 南京理工大学 | A kind of gyro attitude angle storage device |
| CN107766904A (en) * | 2017-10-25 | 2018-03-06 | 上海中信信息发展股份有限公司 | One kind retrospect scale merges printing traceability code method and device |
| CN109489788A (en) * | 2018-11-19 | 2019-03-19 | 吉林大学 | Meat traceable electronic scale with identification QRcode code barcode scanning gun |
| CN110033254A (en) * | 2018-01-07 | 2019-07-19 | 浙江致一科技股份有限公司 | Intelligent food market retail trade system and intelligent food market are sold method of payment |
| CN114812774A (en) * | 2021-12-03 | 2022-07-29 | 上海耀华称重系统有限公司 | Platform scale system, device, weighing method, equipment and storage medium of Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109489788A (en) * | 2018-11-19 | 2019-03-19 | 吉林大学 | Meat traceable electronic scale with identification QRcode code barcode scanning gun |
| CN114812774A (en) * | 2021-12-03 | 2022-07-29 | 上海耀华称重系统有限公司 | Platform scale system, device, weighing method, equipment and storage medium of Internet of things |
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Application publication date: 20151209 |