CN105868659A - RFID system and built-in RFID anti-tamper low-voltage CT - Google Patents
RFID system and built-in RFID anti-tamper low-voltage CT Download PDFInfo
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- CN105868659A CN105868659A CN201510024744.1A CN201510024744A CN105868659A CN 105868659 A CN105868659 A CN 105868659A CN 201510024744 A CN201510024744 A CN 201510024744A CN 105868659 A CN105868659 A CN 105868659A
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Abstract
The invention discloses an RFID system which comprises a label, a reader and an antenna. The label is a data carrier carrying an electronic code and is connected with the antenna wirelessly. The antenna receives and transmits signals through electromagnetic wave. The reader is connected with the antenna, and the other end of the reader is connected with a computer system. The reader reads electronic data stored in the label to identify an object and transmits read information to the computer system. A built-in RFID anti-tamper low-voltage CT comprises a reader, a mutual inductor and a digital chip fixedly arranged on the mutual inductor to mark the mutual inductor. The system and the CT solve the problem of electricity stealing, greatly improve work efficiency, reduce the labor intensity and error rate, and prevent economic losses of China. The product is advanced in the domestic mutual inductor industry, fills the blank of the domestic mutual inductor industry, can be widely applied to electricity metering of large power supply enterprises, has a broad market prospect, and can generate large economic and social benefits.
Description
Technical field
The present invention relates to transformer field, refer in particular to a kind of rfid system and anti-electricity-theft low pressure CT of built in RFID.
Background technology
Transformer is an important component part of electric energy metered system, but is also a undeniable weak link in current electric energy measuring management, does a good job of it the management of transformer information intelligence and is of great significance for anti-electricity-theft., at present, on domestic market, transformer nameplate is all to be fixed on transformer by modes such as stickup, rivets, and nameplate is just removed on the transformer changing to privately change, to reach to steal the purpose of electric energy by many stealing families.Transformer outward appearance is about the same, and the transformer privately changed is difficult to the naked eye go to judge, this transformer doing trick is hardly possible in daily business inspection to be found, and causes stealing to remain incessant after repeated prohibition.If billing clients transformer multiplying power is 200/5, the transformer of 600/5 is changed by he, then the transformer nameplate of original 200/5 is changed on the transformer of 600/5, and the electricity of such national loss is exactly 2/3rds of normal electricity consumption amount.(as to the verification of assets, warehouse-in, outbound, alloted, move each cargo handling operations such as dispensing of storehouse displacement, stock-taking, assets) is also had in each flow process of transformer to use frequency sharp increase, at asset management application technical elements, the tradition automatic identification technology such as bar code/two-dimensional bar code have also been obtained at taxonomy of goods labeling management aspect and is widely applied.But barcode technology itself rely on Vis scan reflection, discrimination is low, bar code easily lose stain, information memory capacity few, typically only identify a certain series products, so needing verification, outbound at large batch of transformer, warehouse-in, insoluble bottleneck has been occurred as soon as during dispensing, well assets can not be carried out the management of each flow process, thus constrain the efficiency of work, cause the work holdup of reality.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that a kind of rfid system and anti-electricity-theft low pressure CT of built in RFID.
The technical scheme that the present invention takes is as follows: a kind of rfid system, including label, recognizer and antenna, wherein, above-mentioned label is data medium, with electronic code on label, and connects in above-mentioned antenna wireless, and antenna is accepted by electromagnetic wave and radiation signal；Above-mentioned recognizer is connected with antenna, and the other end of recognizer connects computer system, the electronic data preserved in recognizer label reading, in order to identify object, and by recognition to information be transferred to computer system.
Preferably, described label includes coupling element and chip, preserves electronic data in chip, carries out wireless connections between coupling element and antenna.
Preferably, described label is fixed on body surface or embeds interior of articles, in order to indicate object.
A kind of anti-electricity-theft low pressure CT of built in RFID, including reader, transformer and digit chip, wherein, above-mentioned digit chip is fixedly installed on transformer, in order to indicate transformer.
Preferably, described digit chip includes that IC chip and antenna, above-mentioned IC chip are fixed on transformer, and IC chip internal memory contains the corresponding data of transformer, and is connected with antenna.
Preferably, described antenna and reader wireless connections, and will and reader between carry out data interconnection.
The beneficial effects of the present invention is:
In order to effectively solve prior art problem, chopping the evil backstage manipulator of electricity filching person off, the present invention develops full information-intellectualized mutual inductor.Full information-intellectualized mutual inductor is made up of three parts: transformer, digit chip, reader (such as figure).Its core is digit chip, also referred to as RFID radio frequency chip.Digit chip is made up of with antenna the IC chip having product information, it receives the radiofrequency signal launched from dedicated reader by antenna, and the data message included in response outgoing label chip, thus realize the contactless identification of product, search and manage, break the limitation of conventional barcode identification.Because RFID has the characteristic of move database, so there being people to say, RFID likely develops into one of technology of the most widely using in whole world commodity or logistics from now on.Such as: Wal-Mart's buying in Asia has 70% to buy from China, procurement scheme that let it be to the greatest extent there is presently no the supplier to China and claims, but immediate-term planning proposes all commodity and must possess RFID radio frequency chip.The RFID transformer name plate information of present invention research and development is stored among radio frequency chip, efficiently solves stealing problem and substantially increases work efficiency, reducing labor intensity and error rate at double, avoids the economic loss of country to greatest extent.At home transformer industry maintains the leading position, filled up domestic blank, can be widely applied to the electric energy metrical of Ge great power supply enterprise, there is market prospect widely, it is possible to produce considerable economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rfid system of the present invention.
Fig. 2 is anti-electricity-theft low pressure CT of built in RFID.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1 to Figure 2, the technical scheme that the present invention takes is as follows: a kind of rfid system, including label, recognizer and antenna, wherein, above-mentioned label is data medium, with electronic code on label, and connect in above-mentioned antenna wireless, antenna is accepted by electromagnetic wave and radiation signal；Above-mentioned recognizer is connected with antenna, and the other end of recognizer connects computer system, the electronic data preserved in recognizer label reading, in order to identify object, and by recognition to information be transferred to computer system.
Label includes coupling element and chip, preserves electronic data in chip, carries out wireless connections between coupling element and antenna.
Label is fixed on body surface or embeds interior of articles, in order to indicate object.
A kind of anti-electricity-theft low pressure CT of built in RFID, including reader, transformer and digit chip, wherein, above-mentioned digit chip is fixedly installed on transformer, in order to indicate transformer.
Digit chip includes that IC chip and antenna, above-mentioned IC chip are fixed on transformer, and IC chip internal memory contains the corresponding data of transformer, and is connected with antenna.
Antenna and reader wireless connections, and will and reader between carry out data interconnection.
Further, one of research and development result of the present invention is: allow transformer have an identity card: when casting transformer, to synchronize to cast among transformer by digit chip.Owing to digit chip has globally unique serial number, then it embeds in transformer and just allows transformer have an identity card, this identity card just as our identity card be also only one without and.Electricity filching person can change transformer, but can not change the identity card of transformer.He just can judge the existence of stealing intuitively, prevents existing of electricity filching behavior, reduces the loss of power supply enterprise to greatest extent.Research and development result two be: RFID in each flow process of transformer (as to the verification of assets, warehouse-in, outbound, alloted, move each cargo handling operations such as dispensing of storehouse displacement, stock-taking, assets) energy batch operation, thus it is greatly improved the efficiency of work, but also decreases error rate.Above 2 losses reducing power supply enterprise to greatest extent also improve work efficiency.Allow for transformer after enforcement and had the change of matter in built-in profile, had digit chip to make the most ordinary transformer become rigorous and careful, thoroughly block the stealing leak of this respect.
Further, the RFID that the present invention uses is Radio Frequency
The abbreviation of Identification, i.e. RF identification.RFID is a kind of contactless automatic identification technology, and it is automatically identified destination object by radiofrequency signal and obtained related data, identifies that work, without manual intervention, is operable with various adverse circumstances, swift and convenient to operate.And be the most uniquely to deceive code, it is ensured that uniqueness, it is particularly suitable for measuring asset management.Object in the range of several centimetres to tens meters can be identified by it, and can read in batches, object, equipment, vehicle and personnel under recognizable static and kinestate, thus become one dazzling nova of automatic identification field.RFID, as a kind of advanced person, novel article identification technology, has the advantage of its uniqueness, and RFID technique can be divided into active RFID and passive RFID from the energy source of label, and passive RFID technology is the most highly developed, and active RFID technology also develops the swiftest and the most violent；Can be divided into by the frequency range launching wireless wave: low frequency, medium and low frequency, high frequency, hyperfrequency；Can be divided into from reading/writing distance: closely, at a distance.According to the analysis of current current wireless radio frequency automatic identification (RFID) technology and the industry characteristic of electric-power metering, I determines to use more promising ISO18000-6C(EPC C1G2 company's analysis and research) the RFID(hyperfrequency of standard).
RFID label has following characteristics: (1) is quickly scanned, and rfid interrogator identification simultaneously can read the most up to a hundred RFID label tag of dozens of, and data rate is up to 860-960MHz；(2) volume miniaturization, various shapes, RFID is not necessary for reading degree of accuracy and coordinating fixed dimension and the press quality of paper, is more suitable for toward miniaturization and various Form Development, to facilitate embedding or to be attached on the product of difformity, type；(3) contamination resistance and durability, RFID label tag has the strongest repellence to materials such as water, oil and chemical drugss.RFID label is to deposit in the chips by data, therefore can be against being stained.(4) reusable, the data stored in RFID label tag can update dynamically, can reclaim and be used for multiple times.(5) penetrance and without screen hinder reading, RFID can penetrate the nonmetal and nontransparent materials such as paper, timber and plastics, carries out penetrance communication, it is not necessary to light source, read apart from farther.Can not be identified through conductive bodies such as metals, the identification of RFID can be made to control in certain scope by technical finesse.(6) memory capacity of data is big, and region is many, is divided into EPC district (512bits or 1024Bytes), ID district (64bit or 8Bytes), user area (512bits or 1024Bytes), password area (32bits or 4 Bytes).Along with the development of memory carrier, data capacity also has the trend of constantly expansion.The data quantity carried needed for following article can be increasing, and the demand that label can expand capacity increases the most accordingly.(7) safety, due to RFID carrying is electronic information, and height has special password area, can be via cryptoguard to its data content so that it is content is difficult to be forged and become make up, and safety is higher.
The structural system composition of RFID label tag, most basic rfid system is made up of three parts: (1) electronic tag (Tag), and electronic tag is also called radio-frequency (RF) tag, transponder, is typically made up of coupling element (antenna) and special chip.Electronic tag is the data medium that radio-frequency recognition system is real, and each label has sole electron coding (No. ID), and the electronic data of agreement form typically preserved by label.In actual applications, RFID label tag is generally attached to body surface dissimilar, difform, is even embedded in interior of articles, therefore can make difformity as required.(2) reader (Reader) reads the equipment of (sometimes can also write) label information, may be designed as hand-held or fixed；Reader can contactlessly read and identify the electronic data preserved in electronic tag, thus reaches automatically to identify the purpose of object.Generally reader is connected with computer, and read label information is transferred on computer be for further processing.(3) antenna (Antenna): transmit radiofrequency signal between label and reader.Antenna be a kind of with electromagnetic wave the rf signal reception of wireless set or the device that radiate.
The operation principle of RFID, reader sends out the radiofrequency signal of certain frequency by antenna, when label enters radiation field of aerial, produces faradic current thus obtains energy, send out the information such as self coding, send after being read by reader and decode to host computer and carry out relevant process.
Further, the application prospect of the present invention: project implementation success, every transformer all will have oneself unique identity card, and this identity card can not be disassembled, be transferred.In view of digit chip has the advantage of contactless transmission, in the case of not having a power failure, power utility check personnel just can read transformer information at any time.Even if thus electricity filching person has changed transformer, but the digit chip within transformer is unique, and its information can be read with reader by power utility check personnel at any time.So stealing can among annual business generaI investigation or mensal check meter in found by power utility check personnel, stop proceeding of electricity filching behavior, be greatly shortened the stealing cycle.Substantial amounts of instrumentation acquisition expenses, inspection personnel, vehicle expense, unpredictalbe safety cost is saved for power supply enterprise.And the cost making the increase of such transformer is only every more point of transformer ternary, and this cost can reduce along with the extensively application of digit chip.
Chain effect: (one) is greatly improved business census operations efficiency: in business generaI investigation, and the multiplying power of verification charging transformer is a very important job, and it is the basic basis that we charge.Verification transformer information was the most wordy in the past, owing to high-voltage conducting wires and transformer chest are apart from close, only more than 40 centimetre, transformer information to be checked must have a power failure and carry out, and its whole flow process is: one consult with client whether can to have a power failure, two cut off low-pressure side load, three pull open low pressure main switch, four cut off high-pressure side isolation switch and on-load switch, five high-pressure side hanging earthing conductor, six open transformer chest, seven examine transformer information, eight remove earth lead, nine close high-pressure side on-load switch and banister, ten close low pressure main switch, 11 send low-voltage load.Whole flow process is got off needs about more than 40 minute.If full information-intellectualized mutual inductor has been installed at scene, because having digit chip inside this transformer, contactless transmission data can be carried out, business census enumerator with reader several meters be closely read out, completely dispense with power failure, as long as clicking reading key just complete task.Time need not one minute, and data are the most accurate.
(2) business generaI investigation normalization runs: use the mode that meter reader unites two into one with reader, in daily checking meter, the person of checking meter is simultaneously to transformer information, collection information need not have a power failure, need not open batch meter, time required for collection is the shortest, the most just can complete.Thus making business generaI investigation combine with routine work, making business generaI investigation normalization run, it is to avoid business generaI investigation formalization, campaign, it is ensured that the true effect that business is generally investigated.If client has changed transformer privately, the person of checking meter just can at the scene or find after technological marketing supporting system cross-check information in time, has stopped privately to change the long-term existence of this stealing electricity phenomenon of transformer.
(3) efficiency of storehouse intensive management is improved: metering device concentration verification, unified dispensing are the dominant ideas of group company's electric energy measuring management, and measurement centre of electric company of current prefectures and cities majority has built up operation.In the function of measurement centre, transformer dispensing is also important content.In current dispensing link, the transformer bar code information of each dispensing as long as store management personnel make an inventory with barcode scanner, as a example by one case transformer 20, a staff to make an inventory about 20 seconds and just can complete.And within two seconds, just can complete same task with hand-held set full information-intellectualized mutual inductor of making an inventory.Moreover the transformer quantity of dispensing is all at about hundreds of every time, also to carry on by case when that Turnover Box being stacked carry off show asset number after just can make an inventory, the time and efforts expended cannot calculate especially, and full information-intellectualized mutual inductor of making an inventory, the Turnover Box of dress transformer need not be moved and just can complete making an inventory of transformer information in a pile Turnover Box within several seconds, work efficiency is greatly improved.
The advance of the technology of the present invention: from present it is understood that situation in terms of, digit chip starts application as the logistics management whole world.But power system as transformer information management the most beyond example.Increasingly mature along with digital chip technology, apply it to metering device management the most feasible, and it manage than current transformer in commonly used one-dimensional bar code technology have more contain much information, uniqueness, the not advantage such as reproducible, contactless transmission.These advantages are of great significance for transformer tool, if the full information-intellectualized mutual inductor of RFIF is succeeded in developing and overall application will change many traditional marketing work patterns (business generally investigate, check meter, workflow management etc.), more promising to be the electric energy metered system application in the whole nation of a kind of new professional etiquette, another is walked the prostatitis in the whole nation by Utilities Electric Co.
Embodiments of the invention simply introduce its detailed description of the invention, do not lie in and limit its protection domain.The technical staff of the industry may be made that some is revised under the inspiration of the present embodiment, therefore all equivalence changes done according to the scope of the claims of the present invention or modification, belong in scope of the patent claims of the present invention.
Claims (6)
1. a rfid system, it is characterised in that: including label, recognizer and antenna, wherein, above-mentioned label is data medium, with electronic code on label, and is connected with above-mentioned antenna wireless, and antenna is accepted by electromagnetic wave and radiation signal；Above-mentioned recognizer is connected with antenna, and the other end of recognizer connects computer system, the electronic data preserved in recognizer label reading, in order to identify object, and by recognition to information be transferred to computer system.
A kind of rfid system the most according to claim 1, it is characterised in that: described label includes coupling element and chip, preserves electronic data in chip, carries out wireless connections between coupling element and antenna.
A kind of rfid system the most according to claim 2, it is characterised in that: described label is fixed on body surface or embeds interior of articles, in order to indicate object.
4. anti-electricity-theft low pressure CT of built in RFID, it is characterised in that: including reader, transformer and digit chip, wherein, above-mentioned digit chip is fixedly installed on transformer, in order to indicate transformer.
A kind of anti-electricity-theft low pressure CT of built in RFID the most according to claim 4, it is characterised in that: described digit chip includes that IC chip and antenna, above-mentioned IC chip are fixed on transformer, and IC chip internal memory contains the corresponding data of transformer, and is connected with antenna.
A kind of anti-electricity-theft low pressure CT of built in RFID the most according to claim 5, it is characterised in that: described antenna and reader wireless connections, and will and reader between carry out data interconnection.
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| CN201510024744.1A CN105868659A (en) | 2015-01-19 | 2015-01-19 | RFID system and built-in RFID anti-tamper low-voltage CT |
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| CN201510024744.1A CN105868659A (en) | 2015-01-19 | 2015-01-19 | RFID system and built-in RFID anti-tamper low-voltage CT |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346623A (en) * | 2019-08-14 | 2019-10-18 | 广东电网有限责任公司 | It is a kind of to lock the system of stealing user, method and apparatus |
| CN112711957A (en) * | 2021-01-13 | 2021-04-27 | 国网浙江省电力有限公司湖州供电公司 | Electronic tag system internally arranged in mutual inductor |
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| CN204463144U (en) * | 2015-01-19 | 2015-07-08 | 国网宁夏电力公司电力科学研究院 | A kind of rfid system and the anti-electricity-theft low pressure CT of built in RFID |
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| CN201340658Y (en) * | 2009-01-05 | 2009-11-04 | 四川安车汽车科技开发有限公司 | Motor vehicle burglary-resisting system by utilizing electronic tag and intelligent management of service station |
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