CN104252632A - UHF RFID electronic label device with sensing function, and application method thereof - Google Patents
UHF RFID electronic label device with sensing function, and application method thereof Download PDFInfo
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- CN104252632A CN104252632A CN201310256199.XA CN201310256199A CN104252632A CN 104252632 A CN104252632 A CN 104252632A CN 201310256199 A CN201310256199 A CN 201310256199A CN 104252632 A CN104252632 A CN 104252632A
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Abstract
The invention discloses a UHF RFID electronic label device with a sensing function, and an application method thereof. The device comprises a sensor set, a controller, an RFID electronic label chip and a cell. The controller receives data information acquired by the sensor set from a monitored object, the data information is inputted to the RFID electronic label chip so as to be read by an RFID reader-writer in real time, a background server acquires the data information from the RFID reader-writer and carries out remote monitoring on the monitored object according to the data information; the RFID reader-writer inputs configuration parameters into the RFID electronic label chip, the controller reads information of the configuration parameters from the RFID electronic label chip, and an optimized application is realized according to the configuration parameters. The UHF RFID electronic label device is applied in combination with a common electronic label in the prior art, so RFID storage management having the sensor acquisition function is realized.
Description
Technical field
The present invention relates to electronic tag, particularly relate to a kind of UHF(Ultra High Frequency with sensing function, ultrahigh frequency) RFID(Radio Frequency Indentify, radio-frequency (RF) identification) electronic label device and application process thereof.
Background technology
In warehousing management, need to carry out special concern to the larger object of value.Usually, these objects need often to carry out outbound, warehouse-in, in storehouse, the operation such as to make an inventory of goods in a warehouse.In order to obtain the storage situation of this type objects in time, the method for radio-frequency (RF) identification can be adopted.By installing electronic tag on object, and by the read-and-write device of specific modality, the visualized management of article, shelf, handbarrow in Implementation repository, reduces inventory level, improves stock control ability, and makes an inventory of goods in a warehouse and check, pick the efficiency of dispensing.
At present, in warehousing management, applying RFID technology is more common.The application of RFID be carry out in the cargo handling operation such as arrival, examination, the mobile picking of warehouse-in, outbound of existing warehousing management the information such as kinds of goods, number of locations, carrier real-time automatic collecting and by with WMS(Warehouse Management System, WMS) information interaction provide next step operation instruction and implementation status verification in operation site, thus improve intelligent automaticization that a line operational paradigm and accuracy realize logistic storage business and manage.
In order to carry out general management to the object in storehouse management, need the electronic tag that applied cost is cheap.The passive ultrahigh frequency electronic tag following international standard EPC Gen2 has at present controlled in the scope of several cents due to the cost of every chips, therefore passive ultra-high frequency RFID system is popular, in kinds of goods logistics, especially obtain in warehousing management applying more widely.
But, in actual applications, warehousing management also needs to gather warehouse environment factor in real time, as data such as temperature, humidity, vibrations, while read write line counting electronic label, return to background server in the lump, to grasp the change being attached object or environment at any time, prevent warehouse from occurring accident, cause heavy losses to enterprise.In order to gather environmental information, method conventional at present relies on sensor network technology, by sensor node, the information of collection wirelessly returned to background server, to monitor in real time.But WSN(Wireless Sensor Network, wireless sensor network) be only limited to and realize single sensing function at store interior, do not adopt overall identification, to object None-identified, cannot realize the outbound of kinds of goods, warehouse-in, in storehouse, function of making an inventory of goods in a warehouse, more cannot be combined with links such as warehouse logisticses.
Can propose a kind of method, be combined by RFID with sensor, subordinate's set of system, develops a set of software, follow the demand that a set of agreement can meet user? what generally adopt at present is active RFID technology.As 2.45GHz or 433MHz type active RFID electronic label.But no matter be which kind of active RFID product, all ubiquity standard disunity at present, problem incompatible between system, and major applications business has deployed ultrahigh frequency RFID system all.Also separately in order to realize environment collection, and existing system can not be eliminated, or again increase other devices; Active RFID product price is high in addition, and maintenance uses difficulty high, is also unsuitable for the management of every part kinds of goods.
Therefore, in the urgent need to a kind of can with the method for existing passive ultrahigh frequency RFID system compatible, its own band sensor function, on the basis not changing existing EPC Gen2 ultrahigh frequency RFID system architecture and read write line hardware cell, combine application with existing common electronic tag, realize the RFID warehousing management possessing sensor acquisition function.
The present invention produces based on this current demand just.
Summary of the invention
The object of the present invention is to provide a kind of UHF RFID device and the application process thereof with sensing function, for on the basis not changing existing EPC Gen2 ultrahigh frequency RFID system architecture and read write line hardware cell, combine application with existing common electronic tag, realize the RFID warehousing management possessing sensor acquisition function.
To achieve these goals, the invention provides a kind of UHF RFID device with sensing function, it is characterized in that, comprising: sensor group, controller, RFID chip, battery; Described sensor group, described RFID chip are connected with described controller;
Described controller receives the data message that described sensor group gathers from monitored object, and this data message is write described RFID chip, read in real time for rfid interrogator, background server obtains this data message from this rfid interrogator, and carries out remote monitoring according to this data message to monitored object;
Configuration parameter information is write described RFID chip by this rfid interrogator, and described controller reads described configuration parameter information from described RFID chip, and realizes optimizing application according to described configuration parameter.
Described electronic label device, wherein, the air protocol of described RFID chip meets EPC Gen2 air protocol, and has I2C wireline interface.
Described electronic label device, wherein, is in passive operation modes when described RFID chip communicates with described rfid interrogator, and described battery is not to described RFID chip power supply;
When described RFID chip dynamically updates data, described battery is to controller and described RFID chip power supply, and described controller is in extremely low power dissipation pattern after data end of transmission.
Described electronic label device, wherein, described configuration parameter information is write described RFID chip by wireless radio frequency mode by this rfid interrogator.
Described electronic label device, wherein, described controller is super low-power consumption MCU, and described battery is high energy battery.
To achieve these goals, the invention provides a kind of application process with the UHF RFID device of sensing function, it is characterized in that, comprising:
Step one, is arranged on monitored object by described electronic label device;
Step 2, described electronic label device is from described monitored object image data information;
Step 3, rfid interrogator reads this data message in real time from described electronic installation, and by this data information transfer to background server;
Step 4, described background server carries out remote monitoring according to this data message to described monitored object; Configuration parameter information is write described electronic label device by this rfid interrogator, and described electronic label device realizes optimizing application according to described configuration parameter.
Described application process, wherein, described electronic label device comprises: sensor group, controller, RFID chip, battery, described sensor group, described RFID chip are connected with described controller, and described sensor group, controller, RFID chip are by described powered battery.
Described application process, wherein, the air protocol of described RFID chip meets EPCGen2 air protocol, and has I2C wireline interface.
Described application process, wherein, in described step 3, comprising:
Described RFID chip is in passive operation modes when communicating with described rfid interrogator, and described battery is not to described RFID chip power supply;
When described RFID chip dynamically updates data, described battery is to controller and described RFID chip power supply, and described controller is in extremely low power dissipation pattern after data end of transmission.
Described application process, wherein, in described step 4, comprising:
Described configuration parameter information is write described RFID chip by wireless radio frequency mode by this rfid interrogator, and described controller reads described configuration parameter information from described RFID chip.
Compare with existing passive ultra-high frequency EPC Gen2 electronic label device, the present invention has following remarkable advantage and beneficial effect:
1) air protocol of the present invention meets international standard EPC Gen2 completely, has cheap, that standard is unified, applicability is wide feature.
2) electronic label chip of the present invention is except possessing less radio-frequency function, also provides I2C wireline interface, can set up wireless telecommunications and be connected between application processor with ultrahigh frequency reader-writer, realizes the transmission of two-way, unconfined data.
3) the present invention can meet the demand of tag memory storage information automatically and dynamically updating, as the environmental data write label regularly gathered by sensor by I2C wireline interface, for read write line taken at regular intervals.
4) the present invention is by read write line radio configuration electronic tag, and electronic tag is connected by controllers such as I2C wireline interface and MCU again, and composition intelligent RFID control system, realizes multiple application.
5) wireless communication bandwidth of the present invention requires that the resources such as low, Computer Storage that is that take are few, and back information amount is much smaller than video monitoring apparatus.
6) the present invention is without the need to introducing too much complex devices, and simplicity of design is efficient, adopts extremely low low power design technique, is applicable to installing and using.
Electronic tag disclosed by the invention, on the basis not changing existing ultrahigh frequency RFID system architecture and read write line hardware cell, can realize a kind of system application with sensing acquisition function, thus expand the applicable category of EPC Gen2C1G2RFID agreement greatly.
Accompanying drawing explanation
Fig. 1 is the UHF RFID apparatus structure schematic diagram of band sensing function of the present invention;
Fig. 2 is the application scenarios schematic diagram of the UHF RFID device of band sensing function of the present invention.
Wherein, Reference numeral:
10 electronic label devices
1 sensor group
2 controllers
3 RFID chips
4 batteries
20 storage racks
30 common RFID
50 rfid interrogators (comprising the variform read write lines such as channel-type read write line, fixed type reader-writer, hand-held read-write)
60 servers
70 computing machines
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
As shown in Figure 1, be that the UHF RFID electricity Biao Qian Installed of band sensing function of the present invention puts structural representation.This UHF RFID device 10 comprises: sensor group 1, MCU controller 2, RFID chip 3, battery 4.
Wherein, sensor group 1 comprises: the value of sensor unit 1-N, N is for set according to actual needs.MCU controller 2 is super low-power consumption MCU, and battery 4 is high energy battery.
Wherein, the air protocol of RFID chip 3 meets international standard EPC Gen2 air protocol, and except possessing less radio-frequency function, also provides I2C wireline interface, wireless telecommunications can be set up between application processor with ultrahigh frequency to be connected, to realize the transmission of two-way, unconfined data.
Wherein, MCU controller 2 adopts ultralow Consumption framework, and during operation, power consumption is about 195 μ A/MHz+440 μ A.
Sensor group 1 is connected with MCU controller 2 by numeral or analog interface, and RFID chip 3 is connected with MCU controller 2 by I2C wireline interface.
The environmental information that the regular receiving sensor group 1 of MCU controller 2 collects, after carrying out simple data processing, write RFID chip 3, rfid interrogator 50 can obtain the environmental information such as temperature, humidity, vibration that RFID chip 3 adheres to object in real time.Simultaneously, rfid interrogator 50 can by wireless radio frequency mode by information write RFID chips 3 such as configuration parameters, configuration parameter information in RFID chip 3 is read out by I2C wireline interface by MCU controller 2 again, according to onsite application dynamic-configuration software, realize optimizing application.Rfid interrogator 50 can be EPC Gen2 read write line.
RFID chip 3 is in passive operation modes when communicating with rfid interrogator 50 under general work state, the energy provided by rfid interrogator 50 realizes communication by backscattering again, battery 4 is not powered to RFID chip 3, only when needs dynamically update data, just need to power to MCU controller 2 and RFID chip 3, after data end of transmission, MCU controller 2 retains interruption measuring ability, is in extremely low power dissipation pattern.
In actual applications, the object of monitoring is needed to paste RFID chip 3 of the present invention, RFID chip 3 obtains the environmental information of sensor group 1 collection by I2C wireline interface, again by hand-held or fixed rfid interrogator 50 Real-time Collection label multidate information, be transferred to server 60, realize remote monitoring; Also can pass through rfid interrogator 50 radio configuration RFID chip 3, RFID chip 3 is connected by I2C wireline interface and MCU processor 2 more simultaneously, composition intelligent RFID control system.By this mechanism, can add in traditional RFID " an other passage ", complete the intelligent linkage of rfid system and other master control systems, complete the closed-loop communication of data.
The UHF RFID device 10 of this belt sensor function, the function singleness, the narrow application range that use common ultrahigh-frequency passive electronic tag at present can be solved, the Real-time Collection being attached object information or environmental information cannot be realized, carry out the problem of dynamic information collection for read write line.
As shown in Figure 2, be the application scenarios schematic diagram of UHF RFID device of band sensing function of the present invention.
In fig. 2, storage material Management System, the object needed based on RFID technique application apparatus of the present invention comprises: storage rack 20, electronic label device 10, common RFID 30, rfid interrogator 50, server 60, computing machine 70.
Storage rack 20 is for depositing the general depot shelf of visual plant, goods and materials etc., WMS based on RFID technique refers to by installing RFID additional on shelf and goods, by the collection of supporting read write line, realize the automatic withdrawing of warehoused cargo, put in storage, make an inventory of goods in a warehouse, in functions such as storehouse monitoring.
Electronic label device 10 is intelligent sensing label, generally as shelf label, while mark shelf numbering, also provides the multidate informations such as environment; Also Pasting is on " essence is large expensive rare " object, realizes, outside general single grade label function, can also monitoring the multidate information being attached object in real time.Apparatus of the present invention are run supporting embedded software, power on and can automatically run.
Common RFID 30 is general RFID label tag, it is the general EPC Gen2 electronic tag used that matches with electronic label device 10 of the present invention, usually be pasted on by supervision object, for the automatic data collection of each cargo handling operations such as Implementation repository batch warehouse-in, outbound, stock-taking and the monitoring in place of emphasis equipment.
Rfid interrogator 50 is matching used various form read write line with electronic label device 10, comprises the variform read write lines such as channel-type read write line, fixed type reader-writer, hand-held read-write.Channel-type read write line is generally installed in gateway, warehouse realize in-out-storehouse management, realize monitoring in place at the fixed type reader-writer of warehouse shelf mounting strap antenna branch device; Do not need, in the storage application of monitoring in place, to realize stock-taking by hand-held read-write yet.Antenna branch device is for expanding read write line port, in order to realize the device that a read write line coordinates N cover antenna (N>4) to use.
Server 60 is background application server.
Server 60, computing machine 70 form background monitoring management system.
The data message of front-end collection to server 60, is completed the functions such as data access, filtration, process, storage, application through communication network transmission by server 60, realize the backstage supervision of system.
Computing machine 70 is system manager terminal, can dispose application software thereon, realizes the administration configuration application of system.
By reference to the accompanying drawings 2, the concrete implementation step of application apparatus of the present invention is as follows:
1) to monitored object, common RFID 30, " essence is large expensive rare " object and warehouse shelf are installed and electronic label device 10 of the present invention is installed;
2) channel-type read write line 50 is installed to realize in-out-storehouse management in gateway, warehouse, realize monitoring in place at the fixed type reader-writer 50 of warehouse shelf mounting strap antenna branch device; Do not need the storage rack of monitoring in place, realize stock-taking by hand-held read-write 50.
3) start background monitoring management system, the data gathered by TCP/IP or 3G network receiving front-end, check whether monitoring situation has different, judge whether to need to report to the police.
4) according to the actual conditions of rig-site utilization, configure electronic tag parameter of the present invention by read write line 50, optimize application.
The invention provides a kind of UHF RFID device with sensing function, it by increasing I2C wireline interface on existing EPC Gen2 ultrahigh frequency electronic tag basis, communicate with peripheral multiple sensors, the attachment environmental parameter will collected in real time, in write RFID chip, realize the dynamic interaction of a kind of electronic tag data and read write line.The air interface of this electronic label chip meets EPC Gen2C1G2 agreement, has cheap, that standard is unified, applicability is wide feature.In addition the electronic label device of this invention is except possessing less radio-frequency function, also integrated super low-power consumption MCU, can communicate with peripheral multiple sensors, by the collection of environmental parameter, data are write in electronic label chip, utilize the mutual of rfid interrogator and electronic tag, the real-time information of electronic tag attachment environment can be known.
Electronic label device provided by the invention, can on the basis not changing existing EPC Gen2 ultrahigh frequency RFID system architecture and read write line hardware cell, realize a kind of rfid system of combined sensor acquisition function, thus expand the application category of EPC Gen2C1G2RFID agreement greatly.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. there is a UHF RFID device for sensing function, it is characterized in that, comprising: sensor group, controller, RFID chip, battery; Described sensor group, described RFID chip are connected with described controller;
Described controller receives the data message that described sensor group gathers from monitored object, and this data message is write described RFID chip, read in real time for rfid interrogator, background server obtains this data message from this rfid interrogator, and carries out remote monitoring according to this data message to monitored object;
Configuration parameter information is write described RFID chip by this rfid interrogator, and described controller reads described configuration parameter information from described RFID chip, and realizes optimizing application according to described configuration parameter.
2. electronic label device according to claim 1, is characterized in that, the air protocol of described RFID chip meets EPC Gen2 air protocol, and has I2C wireline interface.
3. electronic label device according to claim 1, is characterized in that, is in passive operation modes when described RFID chip communicates with described rfid interrogator, and described battery is not to described RFID chip power supply;
When described RFID chip dynamically updates data, described battery is to controller and described RFID chip power supply, and described controller is in extremely low power dissipation pattern after data end of transmission.
4. the electronic label device according to claim 1,2 or 3, is characterized in that, described configuration parameter information is write described RFID chip by wireless radio frequency mode by this rfid interrogator.
5. the electronic label device according to claim 1,2 or 3, is characterized in that, described controller is super low-power consumption MCU, and described battery is high energy battery.
6. there is an application process for the UHF RFID device of sensing function, it is characterized in that, comprising:
Step one, is arranged on monitored object by described electronic label device;
Step 2, described electronic label device is from described monitored object image data information;
Step 3, rfid interrogator reads this data message in real time from described electronic installation, and by this data information transfer to background server;
Step 4, described background server carries out remote monitoring according to this data message to described monitored object; Configuration parameter information is write described electronic label device by this rfid interrogator, and described electronic label device realizes optimizing application according to described configuration parameter.
7. application process according to claim 6, it is characterized in that, described electronic label device comprises: sensor group, controller, RFID chip, battery, described sensor group, described RFID chip are connected with described controller, and described sensor group, controller, RFID chip are by described powered battery.
8. application process according to claim 7, is characterized in that, the air protocol of described RFID chip meets EPC Gen2 air protocol, and has I2C wireline interface.
9. the application process according to claim 7 or 8, is characterized in that, in described step 3, comprising:
Described RFID chip is in passive operation modes when communicating with described rfid interrogator, and described battery is not to described RFID chip power supply;
When described RFID chip dynamically updates data, described battery is to controller and described RFID chip power supply, and described controller is in extremely low power dissipation pattern after data end of transmission.
10. the application process according to claim 7 or 8, is characterized in that, in described step 4, comprising:
Described configuration parameter information is write described RFID chip by wireless radio frequency mode by this rfid interrogator, and described controller reads described configuration parameter information from described RFID chip.
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| CN104537405A (en) * | 2015-01-22 | 2015-04-22 | 苏州大学 | RFID technology-based historic building monitoring and protecting system and method |
| CN109302214A (en) * | 2018-08-09 | 2019-02-01 | 杭州思创汇联科技有限公司 | With the price display system and its control method of function of making an inventory, equipment, medium |
| CN109978117A (en) * | 2019-01-30 | 2019-07-05 | 中国电力科学研究院有限公司 | A kind of Internet of Things electronic tag low-power consumption setting method and system for electric power asset perception |
| CN110647959A (en) * | 2018-09-26 | 2020-01-03 | 湖北用芯物联科技有限公司 | Dangerous chemical storage and transportation on-line monitoring device and system |
| CN110717559A (en) * | 2019-09-16 | 2020-01-21 | 北京科技大学 | RFID technology-based electronic tag for monitoring failure of metal material |
| CN110991804A (en) * | 2019-11-04 | 2020-04-10 | 国网山东省电力公司莒县供电公司 | Key low-value consumable product management system |
| CN111695653A (en) * | 2020-05-25 | 2020-09-22 | 北京京投信安科技发展有限公司 | Passive and passive UHF RFID tag application method based on supply chain and material management |
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| CN111695653A (en) * | 2020-05-25 | 2020-09-22 | 北京京投信安科技发展有限公司 | Passive and passive UHF RFID tag application method based on supply chain and material management |
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