CN202075751U - RFID-based data transmission system for electronic weighing machine - Google Patents
RFID-based data transmission system for electronic weighing machine Download PDFInfo
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- CN202075751U CN202075751U CN2011202029769U CN201120202976U CN202075751U CN 202075751 U CN202075751 U CN 202075751U CN 2011202029769 U CN2011202029769 U CN 2011202029769U CN 201120202976 U CN201120202976 U CN 201120202976U CN 202075751 U CN202075751 U CN 202075751U
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Abstract
The utility model relates to an RFID (Radio Frequency Identification)-based data transmission system for an electronic weighing machine. The transmission system comprises at least one electronic weighing machine, a server, a repeater and an e-tag, wherein the e-tag is used for realizing the communication of the electronic weighing machines and the repeater; the server consists of databases including various data information of both the electronic weighing machines and the repeater, a computer for bearing the databases, and a communication module, and sets a direct data communication relationship through the communication module per se and a communication module of the repeater; the communication modules of both the repeater and the server can achieve mutual communication; and RFID modules of both the electronic weighing machines and the repeater can achieve data exchange with the e-tag respectively. The RFID-based data transmission system provided by the utility model has the benefits of simplicity and convenience in construction and enhanced stability in data transmission.
Description
Technical field
The utility model electronic measuring instrument technical field relates in particular to the technical field of data processing of electronic scale.
Background technology
Traditional weighing apparatus as platform scale, in process of exchange, only is as the instrument of metering, does not need to carry out the processing of data.Along with the extensive use of electronic technology, electronic scale begins to occur.The electronic scale that begins most also only be as metering outfit, add calculator function simultaneously, can in metering, carry out the calculating of dealing money.Again afterwards, widespread usage along with internet and computing machine, simultaneously, along with closely during the last ten years, the generation of various food security accidents, as " melamine milk powder ", " clenbuterol hydrochloride " etc., make people pay close attention to greatly to food security, at this moment, as required, retrospective food traceability system has just appearred, it constitutes electronic scale with communication function and internet and carrying the robot calculator (server) of the database of each link information of food is constituted, and electronic scale wherein also has storage except metering and calculator function, print identification and transfer function; Simultaneously, because the singularity of electronic scale, it is not only the fixedly place that is installed in the supermarket, also is assemblied in the free market, and the environment in free market is abominable, that have even do not have local call and connect, what have does not have a network yet, simultaneously, because the needs of food security, data transmission is very important in whole process of exchange, how to guarantee that the stable and accurate transmission of data then becomes a key;
Data transmission is the most reliable, optimal mode is wire transmission, and the widespread use of current internet, all electronic scales in a market are constituted a LAN (Local Area Network) with Ethernet interface, get up by gateway and Internet connection again, through the mode of route, can be long-range carry out data interaction with server, its network topology as shown in Figure 1, it is the most reliable adopting wired mode to transmit data, the most stable; But the environment ground in current free market is very abominable, if adopt wired mode, then construction very bothers, and needs simultaneously all free markets are transformed, and this need spend a large amount of funds.
And along with the use of wireless technology, the current zigbee that is applied as the most widely, wifi, bluetooths etc. can solve construction problem, in places such as free markets, only need simple construction, increase radio network gateway, its network topology as shown in Figure 2, adopt wireless communication technology, can solve the problem of electronic scale in construction, but the most scabrous problem of wireless communication technology is: because the environment in free market is abominable, and complicated, near operating personnel even deliberately canister is placed on the antenna sometimes, and other reason, make radio communication data instability when carrying out data transmission, even can leak the biography data, and data transmission is very important in whole bargain link, its stability requirement is for can not miss data.
The utility model content
The purpose of this utility model is the data message for the ease of the electronic scale in the stable collection market, and the electronic scale data transmission system based on REID is provided.
To achieve these goals, the utility model provides a kind of technical scheme: based on the electronic scale data transmission system of REID, comprise at least one electronic scale and server, it is characterized in that the electronic tag that also comprises repeater and be used to realize communicate by letter between electronic scale and the repeater;
Described electronic scale comprises central processing module, measure load module, display module, keyboard input module, power module, memory module and radio frequency identification module, the measurement load module of described electronic scale, display module, keyboard input module, memory module and radio frequency identification module are connected with the central processing module of electronic scale respectively and are used for to central processing module transmission data and receive control command from central processing module, the power module of described electronic scale respectively with central processing module, measure load module, display module, keyboard input module, memory module is connected with radio frequency identification module and is used for providing power supply to aforementioned modules;
Described repeater comprises central processing module, memory module, power module, communication module and radio frequency identification module, the memory module of above-mentioned repeater, communication module and radio frequency identification module are connected with the central processing module of repeater respectively and are used for to central processing module transmission data and receive control command from central processing module, and the power module of described repeater is connected with central processing module, memory module, communication module and radio frequency identification module respectively and is used for providing power supply to aforementioned modules;
Described server is that the database that constitutes of the various data messages by electronic scale, repeater and the computer that carries these databases and communication module constitute, and it sets up direct data communication connection by the communication module of self and the communication module of repeater;
Can intercom mutually in twos between the communication module of described repeater and the communication module of server; The radio frequency identification module of described electronic scale and the radio frequency identification module of repeater can carry out exchanges data with electronic tag respectively.
The beneficial effects of the utility model are: 1. construction is simple, convenient, only need arrange that repeater gets final product in the place that electronic scales such as free market are concentrated, the quantity of repeater can be arranged according to the density of electronic scale, repeater then is associated with server by various communication modes, wired, or wireless, or internet etc. can adopt; 2. strengthen the stability of the transmission of data, because the characteristic of electronic scale itself, it does not allow to lose data in the transmission course of data, nor allow many data, if adopt electronic scale itself to add communication module, if adopt wired form, construction is difficulty very, expense is very big simultaneously, increases various costs, and this mode can increase stability of data transmission; If adopt wireless mode, then data transmission becomes very unstable, and obliterated data usually takes place; And adopt data transfer mode of the present utility model, then stability of data transmission is very high, can accomplish not lose data, its reason is: the repeater most principal work is exactly to face the busy extent of controlling network, if idle, then transmit data, if unsuccessful transmission, can be kept at and carry out buffer memory in its storage unit, if busy, wait for that then data are carried out buffer memory simultaneously, as long as a free time, repeater just begins to transmit data.
Description of drawings
Fig. 1 is the network topology figure that the electronic scale in the market is carried out networking by cable network.
Fig. 2 is the network topology figure that the electronic scale in the market is carried out networking by wireless network.
Fig. 3 is the electronic scale data transmission system structural principle synoptic diagram based on REID of the present utility model.
Fig. 4 is the process flow diagram of the electronic scale data transmission method based on REID of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
At first introduce the utility model at the electronic scale based on REID, as shown in Figure 3, electronic scale comprises central processing module, measure load module, display module, keyboard input module, power module, memory module and radio frequency identification module, the measurement load module of described electronic scale, display module, keyboard input module, memory module and radio frequency identification module are connected with the central processing module of electronic scale respectively and are used for to central processing module transmission data and receive control command from central processing module, the power module of described electronic scale respectively with central processing module, measure load module, display module, keyboard input module, memory module is connected with radio frequency identification module and is used for providing power supply to aforementioned modules.
Below, also can implement the utility model for the ease of those of ordinary skill in the art's understanding, the concrete condition of each module of above-mentioned electronic scale and interface is done further detailed description:
Central processing module: central processing module is mainly handled the data that other module transmits, and its data are carried out analyzing and processing, simultaneously corresponding analysis result is delivered to relevant functional module; Central processing module is used to realize other module of electronic scale and the control of interface.Central processing module can be selected single-chip microcomputer, microprocessor (MCU) or central processing unit (CPU), central processing module is mainly handled the data that other module transmits, and its data are carried out analyzing and processing, simultaneously corresponding analysis result is delivered to relevant functional module.
Measure load module: be used for changing the metrical information of article to be measured into electric signal.Measurement load module for the usefulness of weighing, it can adopt to comprise and be used to hold a support waiting to claim article, support is connected with piezoelectric sensor, wait to claim the variation of Item Weight can cause the miniature deformation of sensor, thereby sensor outputs to the magnitude of voltage of control module also can and then be changed, and mainboard is determined the size of Item Weight according to the variation of magnitude of voltage.
Display module: be used for user of service's output and display message to electronic scale.Display module mainly the behave electronic scale that provides required as forefathers and be concerned about and relevant information thereof, display module comprises led display module, lcd display module, OLED etc. herein.Display unit adopts LCD display in the present embodiment, and it adopts the dot matrix gray-scale screens, passes through I
2C bus or UART bus (general serial data bus) and central processing module communicate.
Keyboard input module: the user of service who is used for electronic scale is to its input information.Keyboard input module comprises film key, plastics ammonium key, and structures such as metal key-press constitute; Push-button unit is provided with a four direction key and an options button and a cancel key and has 6 keys altogether in the present embodiment, further also can consider to add numerical key and radix point, and push-button unit is connected with control module by GPIO (general I/O) bus.Keyboard input module and display module provide the human-computer interaction function of electronic scale together.
Power module: in order to be electrically connected and to manage and to provide working power with other each module and interface.Mainly contain three kinds of power supply modes, the one, USB power supply, the 2nd, lithium battery power supply, the 3rd, external power supply power supply.If adopt the lithium battery power supply of 8.4V and 2.2A, overall power can be used more than ten hours according to a preliminary estimate continuously.
Memory module: relevant program and the data message that is used for depositing calibration process.Present embodiment adopts independently eeprom memory.If the storer of central processing module inside is enough big, storage unit can no longer adopt extra storer, the storer of central processing module inside is got final product as storage unit use of the present utility model, and the function of central processing module and memory module just can concentrate on microprocessor, single-chip microcomputer or the central processing unit and realize like this.
Radio frequency identification module: radio frequency identification module is used for that electronic tag is carried out the data write operation and carries out data interaction with realization and electronic tag, and the specific embodiment of radio frequency module for reading and writing can be selected low frequency read write line, high frequency read write line, ultrahigh frequency reader-writer or microwave read write line etc.
Next introduce the utility model at the repeater based on REID, as shown in Figure 3, described repeater comprises central processing module, memory module, power module, communication module and radio frequency identification module, the memory module of above-mentioned repeater, communication module and radio frequency identification module are connected with the central processing module of repeater respectively and are used for to central processing module transmission data and receive control command from central processing module, the power module of described repeater respectively with central processing module, memory module, communication module is connected with radio frequency identification module and is used for providing power supply to aforementioned modules.
Below, also can implement the utility model for the ease of those of ordinary skill in the art's understanding, the concrete condition of each module of above-mentioned repeater and interface is done further detailed description:
Central processing module: central processing module is mainly handled the data that other module transmits, and its data are carried out analyzing and processing, simultaneously corresponding analysis result is delivered to relevant functional module; Central processing module is used to realize other module of repeater and the control of interface.Central processing module can be selected single-chip microcomputer, microprocessor (MCU) or central processing unit (CPU), central processing module is mainly handled the data that other module transmits, and its data are carried out analyzing and processing, simultaneously corresponding analysis result is delivered to relevant functional module.
Power module: in order to be electrically connected and to manage and to provide working power with other each module and interface.Mainly contain three kinds of power supply modes, the one, USB power supply, the 2nd, lithium battery power supply, the 3rd, external power supply power supply.If adopt the lithium battery power supply of 8.4V and 2.2A, overall power can be used more than ten hours according to a preliminary estimate continuously.
Communication module: be used to make repeater and other electronic equipment (as electronic scale, server) to carry out the mutual of data message.Communication module in the present embodiment mainly adopts the technology that can realize radio communication to realize, as the communication module of fabrication techniques such as CDMA, GSM, GPRS, zigbee, wifi, bluetooth, infrared communication.
Radio frequency identification module: radio frequency identification module is used for that electronic tag is carried out the data write operation and carries out data interaction with realization and electronic tag, and the specific embodiment of radio frequency module for reading and writing can be selected low frequency read write line, high frequency read write line, ultrahigh frequency reader-writer or microwave read write line etc.
Introduce the calibration system of mainly forming once more based on REID by above-mentioned electronic scale and repeater.As shown in Figure 3,, comprise an electronic scale and server, it is characterized in that, comprise that also a repeater and one are used to the electronic tag of realizing communicating by letter between electronic scale and the repeater based on the calibration system of REID; Electronic tag is as the mutual media of the signal between electronic scale and the repeater, electronic scale is written to the data message (relevant informations such as the data that electronic scale measured when including but not limited to conclude the business, the kind of being measured, time) that collects in its course of work in the electronic tag by radio frequency identification module, repeater is read into the data message in the electronic tag in the memory module of self by the radio frequency identification module of self again, thereby has realized the contactless communication between electronic scale and the repeater.Aforementioned data information can be provided with as required.
Described electronic scale comprises central processing module, measure load module, display module, keyboard input module, power module, memory module and radio frequency identification module, the measurement load module of described electronic scale, display module, keyboard input module, memory module and radio frequency identification module are connected with the central processing module of electronic scale respectively and are used for to central processing module transmission data and receive control command from central processing module, the power module of described electronic scale respectively with central processing module, measure load module, display module, keyboard input module, memory module is connected with radio frequency identification module and is used for providing power supply to aforementioned modules;
Described repeater comprises central processing module, memory module, power module, communication module and radio frequency identification module, the memory module of above-mentioned repeater, communication module and radio frequency identification module are connected with the central processing module of repeater respectively and are used for to central processing module transmission data and receive control command from central processing module, and the power module of described repeater is connected with central processing module, memory module, communication module and radio frequency identification module respectively and is used for providing power supply to aforementioned modules;
Described server is that the database that constitutes of the various data messages by electronic scale, repeater and the computer that carries these databases and communication module constitute, and it sets up direct data communication connection by the communication module of self and the communication module of repeater; Server mainly comprises software such as database and hardware such as computer and communication module, because the assembly of the middle hardware of server and software all can be by architecture and method of the prior art, so present embodiment is not described further the detailed components process of server.
Can intercom mutually in twos between the communication module of described repeater and the communication module of server; The radio frequency identification module of described electronic scale and the radio frequency identification module of repeater can carry out exchanges data with electronic tag respectively.
Those of ordinary skill in the art should look like and arrive, in order to simplify description, in the present embodiment, electronic scale, repeater, electronic tag and server all are set to one, in fact, those of ordinary skill in the art allows in the technology of this scheme, can conspicuous electronic scale, repeater and electronic tag quantitatively be expanded, and many electronic scales can be to her repeater usually.Respectively each module of electronic scale and repeater has been done detailed introduction owing to aforementioned, thereby details this part content of each module has been not described in detail, the description before please refer to.
Further understand the utility model for the ease of those of ordinary skill in the art, introduce the electronic scale data transmission method based on REID of the present utility model below, the process flow diagram of electronic scale data transmission method as shown in Figure 4 and electronic scale data transmission system structural principle synoptic diagram as shown in Figure 3, under the fellowship of repeater, electronic scale, server and electronic tag, electronic scale data transmission method based on REID comprises the steps:
Step 1: electronic tag is placed on the radio frequency induction district of electronic scale, and data transmission begins the back electronic scale and by self radio frequency identification module data message is written in the electronic tag;
Step 2: the radio frequency induction district that electronic tag is placed on repeater, repeater reads data message in the electronic tag by self radio frequency identification module, if reading in success then is cached to the data message that reads in the memory module of repeater, then withdraws from or read in once more if read in to get nowhere;
Step 3: repeater is removed data message in the electronic tag by the radio frequency identification module of self after with the data message buffer memory;
Step 4: when communicating by letter of the communication module of the communication module of server and repeater is in idle condition, repeater will be buffered in data information transfer in the memory module in server.
Data message (the data that electronic scale measured when including but not limited to conclude the business that produce when electronic scale is to transaction in the utility model, the kind of being measured, relevant informations such as time) be not directly and server communicate, data message is kept in the local memory module but adopt earlier, then when operating personnel need, the data that all are relevant with transaction write in the electronic tag, by electronic tag transaction data is write incoming trunk then, and the effect of repeater is that the data that all electronic scales are write by electronic tag are carried out buffer memory and uploading, and has so just reached the purpose of the data message of the electronic scale in the stable collection market.
Those of ordinary skill in the art will appreciate that embodiment described here is in order to help reader understanding's principle of the present utility model, should to be understood that protection domain of the present utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from the utility model essence according to disclosed these technology enlightenments of the utility model, and these distortion and combination are still in protection domain of the present utility model.
Claims (1)
1. based on the electronic scale data transmission system of REID, comprise at least one electronic scale and server, it is characterized in that, the electronic tag that also comprises repeater and be used to realize communicate by letter between electronic scale and the repeater;
Described electronic scale comprises central processing module, measure load module, display module, keyboard input module, power module, memory module and radio frequency identification module, the measurement load module of described electronic scale, display module, keyboard input module, memory module and radio frequency identification module are connected with the central processing module of electronic scale respectively and are used for to central processing module transmission data and receive control command from central processing module, the power module of described electronic scale respectively with central processing module, measure load module, display module, keyboard input module, memory module is connected with radio frequency identification module and is used for providing power supply to aforementioned modules;
Described repeater comprises central processing module, memory module, power module, communication module and radio frequency identification module, the memory module of above-mentioned repeater, communication module and radio frequency identification module are connected with the central processing module of repeater respectively and are used for to central processing module transmission data and receive control command from central processing module, and the power module of described repeater is connected with central processing module, memory module, communication module and radio frequency identification module respectively and is used for providing power supply to aforementioned modules;
Described server is that the database that constitutes of the various data messages by electronic scale, repeater and the computer that carries these databases and communication module constitute, and it sets up direct data communication connection by the communication module of self and the communication module of repeater;
Can intercom mutually in twos between the communication module of described repeater and the communication module of server; The radio frequency identification module of described electronic scale and the radio frequency identification module of repeater can carry out exchanges data with electronic tag respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202029769U CN202075751U (en) | 2011-06-16 | 2011-06-16 | RFID-based data transmission system for electronic weighing machine |
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| CN2011202029769U CN202075751U (en) | 2011-06-16 | 2011-06-16 | RFID-based data transmission system for electronic weighing machine |
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| CN202075751U true CN202075751U (en) | 2011-12-14 |
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| CN2011202029769U Expired - Fee Related CN202075751U (en) | 2011-06-16 | 2011-06-16 | RFID-based data transmission system for electronic weighing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353437A (en) * | 2011-06-16 | 2012-02-15 | 成都九洲电子信息***股份有限公司 | System and method for transmitting data of electronic scale based on radio-frequency identification technology |
| CN102602815A (en) * | 2012-03-29 | 2012-07-25 | 宜昌市微特电子设备有限责任公司 | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support |
| CN105387921A (en) * | 2015-12-09 | 2016-03-09 | 谭焕玲 | Weighing system |
| CN105547432A (en) * | 2015-12-09 | 2016-05-04 | 谭焕玲 | Continuous weighing system |
-
2011
- 2011-06-16 CN CN2011202029769U patent/CN202075751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353437A (en) * | 2011-06-16 | 2012-02-15 | 成都九洲电子信息***股份有限公司 | System and method for transmitting data of electronic scale based on radio-frequency identification technology |
| CN102602815A (en) * | 2012-03-29 | 2012-07-25 | 宜昌市微特电子设备有限责任公司 | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support |
| CN102602815B (en) * | 2012-03-29 | 2013-11-20 | 宜昌市微特电子设备有限责任公司 | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support |
| CN105387921A (en) * | 2015-12-09 | 2016-03-09 | 谭焕玲 | Weighing system |
| CN105547432A (en) * | 2015-12-09 | 2016-05-04 | 谭焕玲 | Continuous weighing system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20180616 |