CN102238024A - Radio frequency identification (RFID)-based intelligent network system - Google Patents
Radio frequency identification (RFID)-based intelligent network system Download PDFInfo
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Abstract
The invention discloses a radio frequency identification (RFID)-based intelligent network system, which comprises RFID electronic tags, RFID readers-writers and a controller, wherein the RFID electronic tags are installed on all non-intelligent equipment required to be managed in a network; the RFID readers-writers are used for reading the information of the RFID electronic tags; and the controller is connected with the RFID reader-writer, and is used for controlling a plurality of RFID readers-writers. Firstly, the RFID-based intelligent network system gives identity to all the non-intelligent equipment required to be managed in the network by utilizing an RFID technology, comprises the RFID readers-writers properly installed at the position of each piece of non-intelligent equipment, and identifies and positions the non-intelligent equipment by the readers-writers; secondly, the RFID-based intelligent network system can acquire various environmental parameters of the non-intelligent equipment such as temperature, humidity and the like by combining a sensor technology and the RFID technology; and finally, the network also comprises a plurality of non-intelligent equipment and intelligent equipment with standard output, and the information also can be combined with the RFID technology to be rationally utilized. All the information is uniformly managed by background management software.
Description
Technical field
The present invention is mainly used in the intelligent management field of machine room, comprehensive wiring, the network equipment.Specific implementation is technical mainly to be to utilize technology such as RFID, electronic circuit, transducer, ARM, embedded software and WEB.
Background technology
Network management for a long time can not realize real intellectuality always, and its reason is that a large amount of unintelligent devices is arranged in the network, as circuit, UPS, air-conditioning, distributing frame, rack etc.Realize the real intellectuality of network management, must make all intelligence of these equipment.At present, the whole world has 3 tame famous IT companies to have separately the intelligent scheme of localized network, but has problems such as the technical sophistication of realization, cost height, function imperfection, exploitativeness are not strong to exist.
Along with network is popularized in office and life, networking and management become more and more important, become increasingly complex.Existing semi-automatic information system has not satisfied user's demand.Especially physical layer as management such as circuits, is at a complete loss as to what to do especially.Statistics in recent years shows that network failure occurs in physical layer mostly, and it is relevant to surpass unintelligent devices such as 70% network failure and network line.Meanwhile, along with the continuous development of enterprise, network system is day by day huge but still feels not enough, and network operation efficient is day by day low along with the increase of running time.Therefore, the manufacturer of the development of infrastructure network not only will provide high performance comprehensive wiring, perfect equipment connection, complete Back ground Information to the client, and needs an efficient intelligent management system.Such network management does not just have trouble and worry, for more manpower and financial resources is saved in fault eliminating in the future.The unintelligent device of the physical layer of discussion of the present invention generally comprises: circuit, distributing frame and rack etc. that comprehensive wiring is relevant, power supply, air-conditioning and video system etc. that computer room construction is relevant.Except these unintelligent devices, also have the part smart machine, as switch and router, also need to do further intellectuality.
The core concept of comprehensive wiring is to the management feed throughs engineering of line and long-term practical application.Installation, renewal, change, increase and the variation of line are accomplished omnidistance controlled.Distributing frame is to be used for a kind of equipment of standard comprehensive wiring, generally uses in network installation (as local area network (LAN) etc.) and switch is used, and is installed in the rack.The change of circuit all occurs in the change of the wire jumper between distributing frame and the switch basically in comprehensive wiring.Comprehensive wiring system is in the bottom (physical layer) of information system, and wiring unit does not possess the intelligent communication function, so traditional network management software can't directly be managed the equipment of this level.Present stage, network comprehensive lining carried whole information flow of enterprise basically in enterprise.Machine room data aspect is not said, phone (no matter being simulation or IP phone), and the IP video monitoring, gate control system (Card Reader class or biological recognition system), these all are all to be carried in the cover comprehensive wiring for environmental monitorings or the like.The continuous increase of using, the management maintenance staffing is fewer and feweri, and these all are sizable challenges concerning information management department.
Intelligent machine room is these several years relatively more popular speech, and in fact, everybody said intelligent machine room also has very big room for improvement at present.Present intelligent machine room mainly concentrates on the monitoring of the monitoring of temperature and humidity in the monitoring of the monitoring of power supply and management, air-conditioning equipment and management, the machine room and management, supervisory control system and management etc.And utilize the data of these monitoring and management that the equipment in the machine room is done optimization, and as: according to the operating state of adjustment air-conditioning, thereby reach energy-conservation effect; Monitoring power supply output is to prevent the excess load of power supply.
Need in machine room the intelligent management, the special warehouse of depositing the network equipment also needs intelligent management.This is because most of network equipment is all very expensive, all is fixed assets, must regular making an inventory, and all will be by real-time management in the whole life.In addition, the network equipment is very many, find an equipment very difficult where rapidly.Real intellectualizing system also should solve such problem.
Medium scale network generally has air-conditioning, power supply or the like in more than 10,000 circuit, more than 1,000 distributing frame, a hundreds of rack, thousands of switches and router, tens machine rooms, a large amount of machine room.Realize the intellectuality of these all equipment, at first will give identity of these equipment, the development of technology such as RFID has brought new chance for real intelligent network management.There has been identity just can discern and located them.Cooperate transducer, electronic circuit technology, embedded software technology and WEB technology just can make up a perfect intelligence system again.In intelligence system, can do unified management, cooperate existing smart machines such as switch, router, can make the real intelligence of whole network wiring and intelligent machine room.Be referred to as " wisdom network ".
Summary of the invention
The technical problem to be solved in the present invention is, a kind of wisdom network system based on RFID is provided, and it can make unintelligent devices a large amount of in the network, realizes the real intellectuality of network management as circuit, UPS, air-conditioning, distributing frame, rack etc.
For solving above technical problem, the invention provides a kind of wisdom network system based on RFID, comprising: the RFID electronic tag, it is installed in the network on all unintelligent devices that need manage; Rfid interrogator is used to read the information of RFID electronic tag; Controller, it is connected with rfid interrogator, and described controller comprises processor, is used to control a plurality of rfid interrogators.
Beneficial effect of the present invention is: at first utilize the RFID technology to give identity of all unintelligent devices that need manage in the network, in the place that unintelligent device occurs suitable R FID read-write equipment is installed then, read-write equipment can be discerned unintelligent device and location.Next utilizes sensor technology and RFID technology to combine, and can obtain the various environmental parameters of unintelligent device, as temperature, humidity etc.At last, the unintelligent device and the smart machine of standard output arranged much in addition in the network, these information also can combine with the RFID technology, thereby these information are used appropriately.This invention is the situation of change of the wire jumper in the monitor network environment, link, switch, router, terminal, air-conditioning, UPS etc. in real time, supports a series of functions such as change, tracking of power interruption recovering, job note management, on-the-spot circuit and equipment.
Description of drawings
Fig. 1 is the described realization technological frame of an embodiment of the invention schematic diagram;
Fig. 2 is the described software architecture diagram of the embodiment of the invention;
Fig. 3 is the described product structure figure of the embodiment of the invention;
Fig. 4 is the hardware structure diagram of the described controller of the embodiment of the invention;
Fig. 5 is the read-write machine dedicated hardware structure diagram of the described RFID of the embodiment of the invention.
Embodiment
" wisdom network " as the term suggests be exactly to make whole intelligent network, allows the network wisdom that become, this word be from the wisdom earth amplification of IBM and come.The present invention utilizes technology such as RFID, transducer to realize the embodiment of the wisdom earth on network that intelligent network and IBM propose, and also belongs to " Internet of Things " category.The concrete business function that the wisdom network relates to is various, and can constantly expand along with continuous advancement in technology.At present, involved in the present invention to the concrete function of wisdom network following components is arranged.
For systemic-function of the present invention:
Management function is to analyze the present invention from the angle of business, can have one to get information about very much to the present invention.According to the difference of management object, management function can be divided into following components.
1. intellectual capital
The quantity of equipment is very surprising in network, and most equipment is managed as fixed assets.The keeper will in time find the storage place or the place to use of these equipment in needs, and regularly these assets are made an inventory etc.Pass through RFID, WiFi, IR these equipment of technological orientation and assets such as (infrared) among the present invention, any network equipment information that the keeper can find him to be concerned about by background manage software at any time, software systems find the material object of equipment again by RFID, WiFi and IR (infrared) system.This is a very big progress in asset management, and all before resource management softwares all are the management of assets information.All assets in the wisdom network all are the unifications of in kind and information.In the management of enterprise, really accomplished the unification of cash flow, information flow and material flow like this.The present invention is also according to the characteristics of IT assets, the switch door sensor has been installed depositing on the maximum cabinet door of IT assets and other the important doors, and when these doors open or close all and will be monitored in real time by rfid interrogator, guarantee being perfectly safe of assets.
2. intelligent circuit
Circuit and assets are different, and it is not an equipment.Circuit is a rule, and is that annexation is arranged between many circuits in network.In network comprehensive lining, circuit is divided into permanent link and wire jumper.Permanent link is indeclinable, and often is imbedded within the walls or underground; Wire jumper is often to change, and generally uses in rack.In the present invention, utilize special-purpose high frequency read write line of the RFID that oneself invents and aerial array can discern each root wire jumper, and can accurately locate each root wire jumper.Utilize the RFID low frequency read write line identification permanent link of third party's maturation, even be imbedded in underground or also can more accurately locate link within the walls.Simultaneously, RFID high frequency read write line can be discerned distributing frame and switch in each work.Like this, two ends that just can know each root wire jumper are the concrete ports that are connected to distributing frame and switch, thereby can solve the distribution problem of circuit.Like this, both can prevent undelegated circuit change, can prevent again that wrong circuit from connecting, when illegal operation or generation mistake, report to the police with sound and light signal.These information can also be by real-time collecting to background management system.Administrative staff just can view all permanent circuits and the real-time status of wire jumper by software.When circuit changes, can be detected in real time, and can be determined its position.
Wire jumper and permanent link are generally indoor, and length generally is no more than 100 meters.But, in the real network (especially communication network) many long haul communication cables are arranged all is to be imbedded in outdoor underground darker place, when being necessary must be on the ground location more exactly.Utilizing low frequency RF ID electronic tag to be bundled among the present invention is imbedded on the outdoor underground cable.When needed, utilize the handheld RFID read write line just can locate underground cable more exactly in ground based scanning.The handheld RFID read write line can be by WiFi or cellular network and background manage software maintenance real-time communication.
3. intelligent power
The intellectuality of power supply is very important for the electric power system of machine room and other piths.In order to solve the problem of unexpected power failure, people use UPS (uninterrupted power supply) to guarantee that calculator room equipment works under powering-off state.But, when increasing equipment in the machine room, often ignored the problem that power supply transships.Too much when equipment, can make whole electric power system paralysis when electric power system or UPS overload.Intelligent power is exactly a state of monitoring UPS and power supply in real time, in time notifies the user when they reach the overload warning line, and takes necessary remedial measure automatically, prevents the electric power system paralysis.
4. intelligent air condition
Air-conditioning system is most important concerning whole equipment room or other are installed the place of a lot of equipment, if air-conditioning has fault to be certain to cause the temperature of whole equipment room to raise, thereby a lot of equipment can not be run well, and its consequence is hardly imaginable.So will carry out intelligent monitoring to air-conditioning system.Can know temperature in the whole equipment room by temperature sensor among the present invention, after temperature exceeds normal range (NR), just report to the police at once, and take necessary remedial measure automatically, as start standby air-conditioning.In addition, can also monitor the temperature of the air outlet of each air-conditioning, judge whether air-conditioning is normal.Temperature sensor and intelligent air condition combine, and can make the air-conditioning break-off when temperature is suitable, so just can save the energy.
5. intelligent video
Be that network computer room or office all have a lot of important equipment, just inevitably have video system (CCTV) to monitor these important equipment.But most of image information that 24 hours non-stop-machine loggings of video system get off all is otiose.And because there is certain limit at the visual angle of video camera, so often there is the place of a lot of necessity to be photographed.Video system is worked in needs, and perhaps the angle shot at needs just must make video system and rfid system and infra-red sensing system combination.Picture be taken and be preserved to video system will from motion tracking people's track route when the people enters, and when equipment or circuit need change, camera system was just taken this equipment or circuit and preserved picture.Other inessential pictures can regularly have been deleted.
6. intelligent environment
In the machine room, the environmental parameter in warehouse and other important places is extremely important, except temperature above-mentioned, also has humidity, smokescope, fluid detection (prevent to leak, leakage of oil etc.) etc. all very important.Adopt sensor technology and RFID technology to combine among the present invention and can monitor these parameters in real time, and after these parameters exceed safety margin, report to the police.
7. power interruption recovering
Topmost in the network is exactly circuit and equipment.In the wisdom network, be that circuit, equipment are all fully monitored, and make intelligent decision and action according to actual conditions when being necessary.But the maximum disaster of network is outage.Guaranteeing that all equipment and circuit are not destroyed between turnoff time and change, is a very difficult thing even perhaps there is change also can in time alarm.In the present invention, can monitor each equipment and circuit in real time, so before outage, just stored all parameters.Behind power interruption recovering, can obtain the up-to-date information of circuit and equipment, and and the outage before make comparisons, will be modified part and be prompted to the user, handle by the user.
At system design of the present invention:
The present invention at first utilizes the RFID technology to give identity of all unintelligent devices that need manage in the network, in the place that unintelligent device occurs suitable R FID read-write equipment is installed then, and read-write equipment can be discerned unintelligent device and location.Next utilizes sensor technology and RFID technology to combine, and can obtain the various environmental parameters of unintelligent device, as temperature, humidity etc.At last, the unintelligent device and the smart machine of standard output arranged much in addition in the network, these information also can combine with the RFID technology, thereby these information are used appropriately.No matter be RFID information, sensor information or standard output information, all will be collected, and be defined by the event data of standard by the hardware intermediate layer.The hardware intermediate layer utilizes electronic circuit technology and embedded software technology to realize.The standard Event data of control hardware layer can be found and resolve to operation system by incident.Operation system adopts the SOA framework in design, and WEB technology such as the technical Java of utilization of specific implementation, Flex make up and issue.Referring to accompanying drawing 1
Whole system is to adopt sandwich construction technically, adopts the business-driven pattern based on incident, makes software and hardware separately strict.Each layer function is clear and definite, interface is simple.Realize the most complicated application with the simplest form.This system configuration has very big versatility, can be fit to a lot of rfid systems or sensing network system.Whole system comprises following components: identifying object, identification and sensing hardware layer, hardware intermediate layer, software intermediate layer, Business Logic.
1. identifying object
Much less, yes appears at various device in the network for identifying object, comprises smart machine and unintelligent device, as: rack, distributing frame, circuit, UPS, air-conditioning, switch, router, server, fire compartment wall, underground or cable etc. within the walls.All are identified object and are defined as different identification ranks according to regulatory requirement.As: in switch in the work, the work in router, the work distributing frame and wire jumper need be on base of recognition accurate localization, error is 1 millimeter; UPS, server, PC, fire compartment wall, idle in switch, idle in router, idle in equipment such as distributing frame, air-conditioning on base of recognition, does the location of bluring, error is 1 meter; Underground or cable within the walls and permanent link also need be done fuzzy location on base of recognition, error is 20 centimetres.Fuzzy location utilizes active RFID technology, low frequency passive RFID technology, WiFi technology and IR (infrared) technology to combine and positions.Accurately each object is discerned and located to the high-frequency RF ID positioning antenna array of location occasion utilization oneself research and development.So each object that is accurately positioned all has the RFID label of a high frequency as identity, all active RFID label of fuzzy location or the RFID label of low frequency or utilize its MAC Address as identity.Each has the object of identity just to constitute the identifying object layer.
2. discern and the sensing hardware layer
Identification mainly is meant the collection to the identity information of identifying object.Mainly utilize rfid interrogator to collect identifying object, can judge the position of identifying object simultaneously according to the signal power of the position of reading and writing device antenna and detected identifying object collecting identity information.In theory, three antennas just can be judged the horizontal level of an object, and the difference according to environment in the reality can be done suitable adjustment.Except identification and location, also need to obtain the information of some environmental parameters relevant, such as temperature, humidity etc. with object to object.These information are obtained by transducer, just can know environmental parameter very accurately in conjunction with object and position thereof that RFID recognizes.When realizing, accurately location and transducer utilize singlechip technology control RFID high frequency read write line and transducer to achieve the goal, and this independent research has produced a lot of creation.Active RFID location, low frequency RF ID location, WiFi location and IR (infrared) location mainly utilize third party's existing device and technology to finish.The maximum characteristics of this layer are that device category is numerous and diverse, and data format is various, and can not directly be employed system's utilization.
3. hardware intermediate layer
The characteristics of identification and sensing layer are that device category is various, Data Styles is numerous and diverse.How to control these equipment and to make good use of these data be a pretty troublesome job well.The present invention has specially designed a hardware intermediate layer in design, solve this problem.The all identification and the equipment of sensing layer are all supported RS485 or RS232 or USB or the WiFi interface or the Ethernet interface of standard, and are connected with the hardware intermediate layer by these standard interfaces.Their information with different communication modes and their communications, and is collected according to different equipment in the hardware intermediate layer, and the information package of collecting is become to meet self-defining event model, can pass through Ethernet or dedicated network communication, keeps supplying a system call.This layer adopts the CPU of ARM9 kernel on hardware designs be main control chip, auxiliary necessary peripheral hardware and the special peripheral hardware that designs voluntarily, final satisfied whole business demand.Employing kernel version number is 2.6 embedded Linux system on the software.The combination of ARM and Linux is very ripe, can allow the designer of system that oneself energy is placed in the software programming to greatest extent, and application-layer events is encapsulated and resolves.Thereby shorten the construction cycle, improve systematic function.The definition of the event model of complicated hardware data and various complexity in order to improve the performance of software, reduces the programming complexity of software because this layer will be handled in a large number, has adopted the embedded database technology.
4. software intermediate layer
The software intermediate layer is exactly to provide at the packaged variety of event in hardware intermediate layer to resolve and monitor service.Consider the flexibility and the extensibility of system.The design philosophy of whole software system is the SOA framework.So the external interface in software intermediate layer also is the interface that has adopted standard development.The interface in software intermediate layer does not adopt common COBOL and DCOM mode, but realizes with the Java technology.Consider the flexibility of system's issue and the limitation of EJB technology simultaneously, so directly issue with the WEB form in the software intermediate layer.
5. Business Logic
Business Logic is some necessary business procedure modeling, definition and controls in the daily management of wisdom network.Searching, monitor, changing or the like of equipment and information generally arranged in daily management.Management system in the past all is pure management of information, can not carry out physical asset management.Native system makes in kind and information ideally combines, and does not need artificial intervention, allows the people only be engaged in mental work veritably.The definition of business procedure is the basis, and definition is for definite concrete business, and is divided into only former submodule.Definition is at the object modeling in the business procedure after finishing, and model is the data entity that participates in the various process, runs through the whole service system.The monitoring of business procedure then is the core of Business Logic, and it is controlling the action sequencing and the master slave relation of various models and process.In addition, also have some to check in different occasions for different people at the multidimensional view of necessity of business.Realizing it also being the framework mode that adopts based on SOA inwardly, business is carried out necessary division, and all issue with the form of stand-alone service.Realize the mode of technical employing Java and C# combination.Business Logic relates to the permanent data store layer inevitably, is exactly usually said data platform.Professional process model finally is stored in the data platform with the form of relation table.Referring to accompanying drawing 2
Product structure of the present invention comprises:
The present invention is not single components and parts, neither a simple solution, but relate to the bulky systems of a lot of concrete software and hardware products.Whole system comprises background manage software, controller, special use and universal RFID read write line, various transducer, various standard output device and attached to the RFID label on the identifying object.Referring to accompanying drawing 3
1. background manage software
From the angle of business, background manage software is the command centre of whole intelligent distribution management system.Be responsible for the business logic processing of whole system, can control controller, and control the service logic that various hardware such as rfid interrogator, transducer and standard output device are finished system by controller.
The important function of background manage software has determined it not only important on function, also full guarantee must be arranged on performance.So the architecture of software and deployment way are must strict design.Based on the thought of SOA, user interactions, basic business logic, smart machine SNMP monitoring, controller management, cad data processing and displaying that background manage software relates to are all issued out with the form of service, call mutually by service between the system.The concrete form of service is the WEB service.This architecture has many good qualities, such as loose coupling, each independently professional in logic all can be by a plurality of other service calls as independent service; Flow process is configurable, and each service can be according to set works, also can be according to the User Defined works; Safe, calling of each service all has corresponding authentication and Authority Verification; Real-time is guaranteed, adopts different communication and method of calling at different services, and the demanding service of real-time adopts the long of Socket to connect, and ensures the real-time of information; The hardware effort state can be optimized, and can control nearly all hardware by the WEB system, and each hardware can define dormancy strategy, response time and the cycle etc. of oneself.
In addition, on concrete implementation, also must take into full account the various factorss such as intuitive of reliability, cost and the use of software.Java is the outstanding person in numerous WEB realization technology, but the performance of the client of Java technology is limited in one's ability, so software adopts the Java technology in the background logic processing section, adopted Spring technology and Hibernate technology for maintenance and the upgrading of satisfying system equally.Front page layout adopts the Flex technology.Flex is a kind of rich client technology, powerful, technology maturation.Foreground objective interface, succinct, easy operating.The user can manage all devices of current network very clear, very intuitively by space diagram, pictorial diagram, topological diagram, wiring diagram.Show object relations spatially such as all buildings, floor, rack, switch, UPS, air-conditioning, distributing frame, indoor and outdoor circuit in the space diagram, represent with arborescence; The photo in kind of pictorial diagram demonstration floor building etc., the CAD figure of floor, the location drawing of room, module, equipment etc.; Topological diagram can clearly be seen the logical relation between each concrete equipment and the terminal; Wiring diagram can be managed every wire jumper and permanent link.
2. controller
Controller is the title of particular device in the native system, the meaning be can according to service logic control a plurality of the next RFID fixedly read write line and mobile read write line, and some other equipment of standard output are arranged, as UPS, air-conditioning, CCTV system etc., command each equipment to carry out work according to the requirement of specific service logic, and obtain return information, then the result after handling is returned to background manage software.As can be seen, in whole system, controller serves as important function served as bridge, is exactly the material objectization in hardware intermediate layer.But the interface of a controller is limited, that is to say that the next equipment that it can be controlled is limited, thus have a lot of controllers in a big network, and what command them has been exactly background manage software.Controller has Ethernet interface, and the user can be divided into controller easily in the network segment that the keeper can manage and go.Controller also provides special secure network interface simultaneously---and the RS485 interface, use in the occasion that some security requirements are very high.
Controller is a typical embedded equipment.Controller in the native system utilizes the microprocessor appropriate mix peripheral hardware of ARM framework as hardware frame just.Particular hardware has S3C2440, Flash memory, sdram memory, voice module, display screen, button, network communication module, RS485 communication module etc.The software systems of controller comprise embedded OS Linux, embedded database SQLite and application program.During system start-up, embedded Linux system and root file system are copied among the SDRAM from the Flash memory and move.Application program will be handled a large number of services logic, and it can receive a lot of data there from background manage software, needs to read from the next machine many data again.So data processing is a major function of controller.For efficient processing and professional modularization and the simplification that realizes data, adopted the embedded database of increasing income.The all working list information that embedded database storage backstage sends when writing application program, as long as call the api interface function of embedded database, just can have been inquired about the information of job note.In the present invention, utilization embedded database SQLite makes up embedded type database system on the ARM-Linux platform.Referring to accompanying drawing 4.
3.RFID read write line
When native system utilizes the RFID technology that sluggish network equipment is carried out identification equipment is positioned, relate to passive high frequency, passive low frequency and active three kinds of modes.The frequency of passive high frequency is 13.56MHz, is used for accurate location, is characterized in that decipherment distance is short.The frequency of passive low frequency adopts 1K to 200KHz, is characterized in that penetrability is strong, can discern underground and object within the walls.The frequency of active RFID adopts 303MHz, is used for fuzzy location, is characterized in that decipherment distance is long.
The RFID that passive high frequency rfid system is an autonomous Design is read-write machine dedicated, and the standard of main reference is the ISO15693 standard during design.RFID is read-write machine dedicated to send the radiofrequency signal of a 13.56M by transmitting antenna, produces induced current when label enters the transmitting antenna working region, and label obtains energy and is activated, and information such as self coding are sent by the built-in transmitting antenna of label; The reader reception antenna receives the carrier signal of sending from label, sends to the control system of reader behind the signal process demodulation sign indicating number working cell of antenna.In invention general RFID antenna and read write line have all been done specialization, antenna adopts complicated aerial array, and read write line manner of execution, instruction and data form all define according to the service logic of oneself.This RFID is read-write machine dedicated to have adopted 8 single-chip microcomputer PIC16F887 as central controller.Control radio frequency read-write chip is read and write according to the requirement of service logic; The control charactron shows the numbering of itself; Control LED lamp shows the operating state of different antennae.This RFID is read-write machine dedicated by the communication of RS485 Interface and Controler, and slave controller obtains instruction and business datum, and one or more antenna in the control antenna array is according to set rule work in real time.After any RFID of having label entered the aerial array zone, read write line can both be found in real time, and location RFID label.Return to controller by the RS485 interface again after all result's process central controller computings.If have illegal RFID label to swarm into array or have legal RFID label to leave in the array oneself position, the user is notified in the flicker of the LED lamp that central controller all can be by the aerial array correspondence position.Referring to accompanying drawing 5.
Active RFID mainly adopts existing universal RFID read write line (matured product has been arranged), and they can satisfy the requirement of native system on performance and function.Active RFID read-write equipment and label temporarily all adopt product---M200 and the R200 read write line that U.S. RFCode company produces among the present invention.Be used for Dynatel 2500 series of products that low frequency the rfid interrogator underground or location of cable within the walls temporarily all adopts 3M company to produce, it can carry out communication by WiFi mode and background manage software.
4. transducer
Except that most of Back ground Information that the RFID technology obtains, sensor technology can obtain the parameter that some other RFID can't obtain.Utilize the information such as temperature, humidity in sensor sensing rooms such as temperature, humidity in the native system, and be collected as an important parameters.Temperature Humidity Sensor adopts the transducer of humiture one at present, and its parameter is as follows.
Two wires numeral output; Moisture measurement scope: 0 ~ 100%RH; Temperature measurement range :-40 ~ 123.8 degrees centigrade; Moisture measurement precision: 1.8%RH; Temperature measurement accuracy: 0.3 degree centigrade; Low-power consumption.
Increase along with function adds different transducers in the future, as Smoke Sensor, fluid detection transducer, switch door sensor etc.What these transducers had integrates with the high frequency rfid interrogator, and what have integrates with active RFID tag.
5. standard output device
UPS, air-conditioning, switch, router etc. all have the standard output of oneself.These outputs have plenty of the RS232 interface, have plenty of by wired network interface, and what have passes through radio network interface.In the present invention, these interfaces can be unified to be connected in the middle of own nearest controller.Controller can go control and manage these equipment according to the kind and the model of each pre-set equipment.
6. electronic tag
According to the difference of rfid interrogator, electronic tag is also different, comprises passive high-frequency label, passive low frequency label and active label in the native system.What passive high-frequency label adopted is the label that meets the ISO15693 agreement of TI.What the passive low frequency label adopted is the special-purpose inductor that 3M provides.R120, R135 and R155 inductor that active label adopts U.S. RFCode company to produce.They also respectively have characteristics except the function that common RFID label is arranged.R120 can detecting gate switch, whether R135 can detect in real time has fluid to flow out, R155 is monitor temperature and humidity in real time.They can be fixed and the mobile reader detected separately data of transmission and unique ID sign indicating number thereof to any active RFID of RFCode.Be used for the passive low frequency RF ID label of the most of employing of the electronic tag underground or location of cable within the walls, part adopts active RFID label.According to the difference of application scenario, these labels also vary on packing forms.
Specifically, the present invention also comprises following contents:
1, the selection of RFID label and encapsulation
At the difference of distinct device in the network and functional requirement thereof, select dissimilar RFID labels and different packing forms.In the present invention at circuit be do pinpoint, so the label that meets the ISO15693 standard of the high frequency that uses.According to the difference of circuit types, the size of label is also different with packing forms.Copper cable generally uses crystal head, and the volume of crystal head and copper cable is all bigger, so select bigger label.Because copper cable is a metal, meeting shielded radio frequency signal is so label adopts metallic packaging in encapsulation again.Optical cable and optical cable connector are all smaller, so will select littler label.But optical cable is to not influence of electromagnetic wave, so the packing forms of label is so long as common encapsulation is just passable.Except that circuit, distributing frame, switch etc. also need accurate location in the use, so all adopt high-frequency label.Other equipment does not need accurate location as rack, air-conditioning, power supply etc., so select active RFID tag for use.Underground or within the walls cable need select the low frequency passive label for use.After being ready to label, just these labels are installed on the identifying object.Mounting means has a variety of, and active label and low frequency tags generally adopt stickup or the fixing mode of screw, and the RFID label of high frequency generally is encapsulated in the product the inside.
2, the installation of rfid interrogator and transducer
Label installs the back just can install read write line and transducer.Rfid interrogator comprises active, passive high frequency and passive low frequency.Active is the matured product of RFCode.Passive high frequency is the product that meets the ISO15693 standard that unit of the present invention researches and develops voluntarily.Passive low frequency is the Dynatel 2500 of 3M company.Active read write line decipherment distance is far away, and wide coverage is not so there be special requirement to the infield.Passive high frequency read write line all is special-purpose read write line, and decipherment distance is near, coverage is little, be subjected to the influence of environment easily.So, all be to make specific shape, can be attached on the various devices such as distributing frame, switch, rack.Its shape and different sizes also will be selected difform read write line according to different places in the time of installation.Except RFID being installed fixedly the read write line, be used to locate low frequency read write line underground or cable within the walls and adopt hand-hold type to move read write line substantially, so do not need installation.
Mentioned above, had the transducer of humiture in the active RFID label.In native system, a lot of transducers are all installed together with corresponding product.As each high frequency rfid interrogator a Temperature Humidity Sensor is arranged all, each active RFID label all may have humiture, fluid detection, switch door sensor.Also have some independent transducers to need to install separately, as the Smoke Detection transducer.
After installing, power on for read write line and transducer, each equipment all can self check when powering on.
3, the installation of standard output device
Standard output device is meant UPS, air-conditioning, switch, router etc.Each equipment all has installation and the fixed form of oneself.
4, the installation of controller
Controller is a major product of native system, and its profile is similar to the router of a 2U, can be fixed in the rack.Install each passive RFID read write line that controller just can will control it later on, active RFID read write line, standard output device, transducer or the like all the RS485 interface by standard or, network interface etc. is connected to controller.Then, controller is linked in the Ethernet, perhaps goes up connecting port and be linked among the RS485HUB by RS485 by connecting port on the Ethernet.
5, controller is set and debugging
The setting of controller is most important, and what equipment what its each port connected is, all need manually set when installing.After configuring, controller will carry out communication with the equipment of set agreement and this port.Controller itself is also to need to set by the Ethernet first line of a couplet or by the RS485 first line of a couplet, also will set corresponding address etc.In addition, some other Back ground Information also can be set at this, as the position of controller, keeper, password etc.After configuring, automatic debug function that can the start-up control device.Controller can be carried out autotest, can each equipment of own and the second line of a couplet be detected.Installation personnel can be done further debugging to itself and second line of a couplet equipment according to test result.
6, the installation of management software, issue and test
The installation of management software is also very complicated, needs installation database, imports the most basic test data; Need installation and issue each service, and set the call parameter of service, be convenient to each other connection and communication; Need to install assemblies such as CAD, be convenient to data preparation and processing.After service install to finish, the basic functions of some of operating software, whether pass test data running software as can be seen is normal.
7, the typing of Back ground Information
After finishing, the software Installation And Test needs arrangement and typing Back ground Information.These Back ground Informations comprise the space CAD figure of network environment, topological diagram, the parameter of each network equipment, the data of the data of permanent link and rfid interrogator, transducer, controller.After the typing, all functions of system just can play a role.Certainly, Back ground Information such as rights management also is necessary.
8, the information of Management Controller and equipment in the background manage software
The necessary information of controller and field apparatus must be set at the scene, as the IP address.But other information both can be set at the scene, also can set in background manage software, check and change.
9, monitoring in real time
Background manage software can the real time access controller, and controller again can the real time access rfid interrogator, transducer and other standard output device.So background manage software can be monitored on-the-spot all devices in real time, can know the position of each equipment, the annexation between the circuit, whether certain equipment state is normal, the temperature in the machine room, humidity etc.During any unusual generation, background manage software can instant alarming, and with the form of figure these artiss is shown, and can print or directly check by portable terminal.
10, the test of service logic
After all configure, to do test, as intellectual capital, intelligent circuit, intelligent power etc. to main logic of business functions.And and on-the-spot actual conditions contrast, prevent some accidents that the basic data mistake causes.
11, various forms are checked
System has also set many query functions commonly used and corresponding report output.The user can inquire about corresponding data according to the needs of oneself, such as: the distribution form of all circuits, asset inventory etc.These forms can export as the file of EXCEL and PDF.
The present invention is not limited to execution mode discussed above.More than the description of embodiment is intended in order to describe and illustrate the technical scheme that the present invention relates to.Based on the conspicuous conversion of the present invention enlightenment or substitute and also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation method of the present invention, so that those of ordinary skill in the art can use numerous embodiments of the present invention and multiple alternative reaches purpose of the present invention.
Claims (10)
1. the wisdom network system based on RFID is characterized in that, comprising:
The RFID electronic tag, it is installed in the network on all unintelligent devices that need manage;
Rfid interrogator is used to read the information of RFID electronic tag;
Controller, it is connected with rfid interrogator, and described controller comprises processor, is used to control a plurality of rfid interrogators.
2. the wisdom network system based on RFID as claimed in claim 1, it is characterized in that, also comprise: transducer, described transducer comprise temperature sensor and/or humidity sensor and/or Smoke Sensor and/or fluid sensor and/or the switch door sensor that is connected with controller.
3. the wisdom network system based on RFID as claimed in claim 1 is characterized in that described controller can a plurality ofly be worked simultaneously, has network interface and RS485 interface on each controller, is connected with server by local area network (LAN) or RS485HUB.
4. the wisdom network system based on RFID as claimed in claim 1 is characterized in that described controller can also connect uninterrupted power supply UPS and/or air-conditioning and/or closed-circuit TV monitoring system, controls its work;
Described RFID electronic tag can also be positioned at rack and/or circuit and/or underground and within the walls on cable and/or distributing frame and/or switch and/or router and/or server and/or the fire compartment wall and/or UPS and/or air-conditioning and/or closed-circuit television system.
5. the wisdom network system based on RFID as claimed in claim 1 is characterized in that, described RFID electronic tag comprises active RFID electronic tag and/or passive RFID high-frequency electronic label and/or passive RFID low-frequency electronic label.
6. the wisdom network system based on RFID as claimed in claim 1 is characterized in that described rfid interrogator comprises active rfid interrogator and/or passive RFID read write line, and RFID is read write line and/or RFID hand-hold type read write line fixedly.
7. the wisdom network system based on RFID as claimed in claim 6 is characterized in that, described passive RFID high frequency read write line is operated in the 13.65M frequency range, and its structure comprises antenna, and with the antenna microprocessor linked, microprocessor is connected with the RS485 communication interface.
8. the wisdom network system based on RFID as claimed in claim 7 is characterized in that described antenna is an aerial array; Single-chip microcomputer connects the LED lamp, is used to control the operating state that the LED lamp shows different antennae.
9. the wisdom network system based on RFID as claimed in claim 1 is characterized in that described controller comprises microprocessor, and the memory that is connected with microprocessor, internal memory, display and communication module.
10. the wisdom network system based on RFID as claimed in claim 1 is characterized in that, described controller is connected with RS485 interface and/or RS232 interface and/or USB interface and/or WiFi interface and/or Ethernet interface.
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