CN101477615B - Radio frequency recognition system for identifying objects - Google Patents
Radio frequency recognition system for identifying objects Download PDFInfo
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- CN101477615B CN101477615B CN2009100958005A CN200910095800A CN101477615B CN 101477615 B CN101477615 B CN 101477615B CN 2009100958005 A CN2009100958005 A CN 2009100958005A CN 200910095800 A CN200910095800 A CN 200910095800A CN 101477615 B CN101477615 B CN 101477615B
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Abstract
The invention discloses a radio frequency identification (RFID) system used for identifying objects. The RFID system at least comprises an RFID card and a recognizer, wherein, a first control circuit and a first wire coil are arranged in the RFID card; a second control circuit and a second wire coil are arranged in the recognizer; the second control circuit is connected with an external actuator through a control bus; the first end of the first wire coil is connected with a first wired connecting part; the first end of the second wire coil is connected with a second wired connecting part; the other end of the first wire coil is connected with a third wired connecting part; and the third wired connecting part is connected with a conductor. The invention has the advantages that the communication between the recognizer and the RFID card is realized through the first wired connecting part, the second wired connecting part, the third wired connecting part and the conductor; electromagnetic waves are not required for media transmission during communication process; because the communication is realized through wired connection, the impacts from other electromagnetic waves for the communication are weaken, and the anti-interference ability is enhanced during communication process.
Description
Technical field
The present invention relates to a kind of identity recognizing technology, especially relate to a kind of radio-frequency recognition system that is used for identifying object.
Background technology
Radio-frequency (RF) identification (RFID, Radio Frequency Identification) is a kind of contactless automatic identification technology, it is by the automatic recognition objective object of radiofrequency signal and obtain related data, and identification work need not manual intervention, can work in various rugged surroundings.
The RFID ultimate system comprises label (Tag) and reader (Reader), label mainly is made up of coupling element and radio frequency chip, each label has unique electronic code, when using label, only need be with it attached to identifying destination object on the object, label is referred to as radio-frequency identification card usually again; Reader is used for reading the information of each connected label, and reader sometimes also can writing information, and it can be designed to hand-held or fixed; Transmit radiofrequency signal with intercommunication mutually by label and reader antenna (Antenna) separately between each label and the reader.The basic functional principle of RFID ultimate system is: after label enters magnetic field, receive the space electromagnetic wave that reader sends, and rely on energy that induction current obtained to send out to carry the radiofrequency signal that is stored in the product information in the radio frequency chip, carry out decoding processing after the radiofrequency signal that the reader reading tag sends and to radiofrequency signal, and decoded data are delivered to the back-end data processing unit carry out data processing; Perhaps label initiatively sends the radiofrequency signal of a certain frequency to reader, carries out decoding processing after the radiofrequency signal that the reader reading tag sends and to radiofrequency signal, and decoded data is delivered to the back-end data processing unit carry out data processing.The former described label is a passive label, or is called passive label (Passive Tag); The described label of the latter is an active label, or is called active tag (Active Tag).
The application of RFID ultimate system is very extensive, and the especially application in identification is a core part easy to use, with low cost in identification and the management.But because the tradition of RFID ultimate system is used and is all depended between reader and the label the electromagnetic mutual induction in space and obtain the information that is stored in the label.Therefore, the tradition application of RFID ultimate system is relevant with reader space length between the two with label, main is to have the electromagnetic wave passage, and label and reader are communicated, and their radiofrequency signals of sending are easy to be subjected to the interference of other strong electromagnetic waves.
Summary of the invention
Technical matters to be solved by this invention provides a kind of need not just can transmitting radio frequency signal by the electromagnetic transmission medium, and the radio-frequency recognition system that is used for identifying object of strong interference immunity.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of radio-frequency recognition system that is used for identifying object, radio-frequency identification card and a recognizer that is used with described radio-frequency identification card of comprising unique identity coding that at least one stores identifying object in advance, be provided with first control circuit and first wire coil that is connected with described first control circuit in the described radio-frequency identification card, be provided with second control circuit and second wire coil that is connected with described second control circuit in the described recognizer, described second control circuit is connected by the outside actuator of control bus and at least one, first end of described first wire coil is connected with the first wired connection portion, first end of described second wire coil is connected with the second wired connection portion that is used for the described first wired connection portion wired connection, second end of described first wire coil is connected with the 3rd wired connection portion, and described the 3rd wired connection portion is connected with conductor.
Described recognizer is discerned described radio-frequency identification card by the wired connection of described first wired connection portion and the described second wired connection portion, and the identity information that described recognizer obtains according to its identification is controlled the executing state of described outside actuator.
The number of described outside actuator was set according to actual needs in advance by manufacturer before described recognizer dispatches from the factory.
The number of described outside actuator is identical with the number of described radio-frequency identification card, and described outside actuator is corresponding one by one with described radio-frequency identification card.
Described second control circuit comprises supply voltage, single-chip microcomputer, radio-frequency identification card identification special chip and crystal oscillator, described supply voltage is by first capacity earth, the 5th pin ground connection of described single-chip microcomputer, described crystal oscillator is connected between the 7th pin of the 6th pin of described single-chip microcomputer and described single-chip microcomputer, the 6th pin of described single-chip microcomputer and the common port of described crystal oscillator are by second capacity earth, the 7th pin of described single-chip microcomputer and the common port of described crystal oscillator are by the 3rd capacity earth, the 8th pin of described single-chip microcomputer and the 18th pin of described single-chip microcomputer are connected with the 13rd pin of described radio-frequency identification card identification special chip respectively, the 11st pin of described single-chip microcomputer and the 12nd pin of described single-chip microcomputer are connected respectively with by described monolithic processor controlled outside actuator, the 13rd pin of described single-chip microcomputer is connected with the 2nd pin of described radio-frequency identification card identification special chip, the 17th pin of described single-chip microcomputer is connected with the 14th pin of described radio-frequency identification card identification special chip, the 1st pin of described radio-frequency identification card identification special chip, the 12nd pin of the 5th pin of described radio-frequency identification card identification special chip and described radio-frequency identification card identification special chip is ground connection respectively, the 3rd pin of described radio-frequency identification card identification special chip is connected with first end of described second wire coil by first resistance, the 4th pin of described radio-frequency identification card identification special chip is by the tenth capacity earth, the 6th pin of described radio-frequency identification card identification special chip is connected with second end of described second wire coil by the 4th electric capacity, the 7th pin of described radio-frequency identification card identification special chip is connected with described supply voltage, and by the 8th capacity earth, the 8th pin of described radio-frequency identification card identification special chip is connected with second end of described second wire coil by the 7th electric capacity, and by the 9th capacity earth, the 9th pin of described radio-frequency identification card identification special chip is connected by the 10th pin of the 12 electric capacity with described radio-frequency identification card identification special chip, the 11st pin of described radio-frequency identification card identification special chip is by the 11 capacity earth, the 15th pin of described radio-frequency identification card identification special chip is by the 5th capacity earth, and the 16th pin of described radio-frequency identification card identification special chip is by the 6th capacity earth.
The object or person body of described conductor for being made by metal material, the area that the described object of being made by metal material is exposed to the space is greater than or equal to 100cm
2
Described radio-frequency identification card is arranged in the key handle of metal key, the described first wired connection portion is the key body of metal key, the described second wired connection portion comprises the lock core of metal latch and is used to connect the lead of first end of described lock core and described second wire coil, described the 3rd wired connection portion comprises the lock body of metal latch, it is protruding and be arranged on the described key handle and be used for and the protruding contacted sheet metal of described metal to be arranged on metal on the described lock body, be provided with insulation course between described lock body and the described lock core, described lock body is connected with described conductor, described recognizer is discerned described radio-frequency identification card by described first wired connection portion and the described second wired connection portion, and described recognizer is according to the executing state of the identity information control that its identification the obtains described outside actuator corresponding with described metal key.
Described conductor is in metal cabinet, metallic door, metal window-frame or the metal frame of using described metal latch any.
Described radio-frequency identification card is arranged in the key handle of metal key, the described first wired connection portion is the sheet metal that is arranged on the described key handle, the described second wired connection portion comprises on the lock body that is arranged on metal latch and is used for protruding with the contacted metal of described sheet metal and is used to be connected the lead of first end of protruding and described second wire coil of described metal, described the 3rd wired connection portion comprises the key body of metal key, the lock core of metal latch and described lock body, be provided with insulation course between described lock body and described metal are protruding, described lock body is connected with described conductor, described recognizer is discerned described radio-frequency identification card by described first wired connection portion and the described second wired connection portion, and described recognizer is according to the executing state of the identity information control that its identification the obtains described outside actuator corresponding with described metal key.
Described conductor is in metal cabinet, metallic door, metal window-frame or the metal frame of using described metal latch any.
Compared with prior art, the invention has the advantages that by the communication between the first wired connection portion, the second wired connection portion, the 3rd wired connection portion and conductor realization recognizer and the radio-frequency identification card, in communication process, need not by the electromagnetic transmission medium with regard to the energy transmitting radio frequency signal, and owing to the mode of communication by wired connection realizes, weakened of the influence of other electromagnetic wave greatly, thereby strengthened the antijamming capability of this communication process this communication process; Because it is big more that conductor is exposed to the area in space, the capacity effect of conductor is just obvious more, and therefore the radiofrequency signal by the first wired connection portion and the transmission of the second wired connection portion is also just strong more, and the discrimination of recognizer identification radio-frequency identification card is also just therefore higher; Wired decipherment distance between recognizer of the present invention and the radio-frequency identification card can reach more than 4 meters, and the existing wireless identification distance of only using the technology that electromagnetic wave discerns is only about 10cm, so the present invention has compared with prior art obtained significantly improving on transmission range; In addition, the present invention is simple in structure, wiring is simple, easy to use, though departed from radio-frequency identification card is the original intention that radio frequency identification designs, but the present invention can be applicable to a lot of occasions and can reach good identification effect, as in very strong electromagnetic wave environment, in the conditional environment of radio-frequency identification card direction, have in the environment that metallic spacer separates, in the environment that distance exceeds the wireless radiofrequency decipherment distance or the like; Use the present invention, can make the purpose that recognizer reaches correct, safe, efficient, non-directional, adaptive capacity to environment strong, long distance is discerned radio-frequency identification card.
Description of drawings
Fig. 1 is mated connection diagram between the recognizer of use for each radio-frequency identification card of the present invention;
Fig. 2 is the circuit theory diagrams of recognizer of the present invention;
Fig. 3 is applied to the synoptic diagram one of electronic lock for the present invention;
Fig. 4 is applied to the synoptic diagram two of electronic lock for the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of radio-frequency recognition system that is used for identifying object, comprise n radio-frequency identification card 1 and recognizer 2 that is used with n radio-frequency identification card 1 that stores unique identity coding of identifying object in advance, also store unique identity coding of identifying object in the recognizer 2 in advance, be provided with first control circuit e and the first wire coil h that is connected with this first control circuit e in the radio-frequency identification card 1, be provided with second control circuit a and the second wire coil d that is connected with this second control circuit a in the recognizer 2, second control circuit a is connected with m outside actuator k by control bus 3, the number of outside actuator k can be set by manufacturer before recognizer 2 dispatches from the factory according to actual needs in advance, under the number of the outside actuator k of the prior setting situation identical, corresponding one by one between general outside actuator k and the radio-frequency identification card 1 with the number of radio-frequency identification card 1.In simple the application, only need 1 radio- frequency identification card 1 and 1 outside actuator k.
The first end g of the first wire coil h of each radio-frequency identification card 1 is connected with the first wired connection portion 11, the first end c of the second wire coil d of recognizer 2 is connected with the second wired connection portion 21 that is used for the first wired connection portion, 11 wired connections, the second end f of the first wire coil h of each radio-frequency identification card 1 is connected with the 3rd wired connection end 12, the three wired connection portions 12 and is connected with conductor i correspondingly.The first wired connection end 11, the second wired connection end 21, the 3rd wired connection end 12 and conductor i are arranged so that communication between radio-frequency identification card 1 and the recognizer 2 reaches correct, safe, efficient, non-directional, adaptive capacity to environment strong and the purpose of long distance identification.When the present invention works, recognizer 2 is discerned the identity information that is stored in the identifying object in the radio-frequency identification card 1 by the first wired connection end 11, the second wired connection end 21, the 3rd wired connection end 12 and conductor i, and whether recognizer 2 carries out corresponding operation according to the identity information that recognizes by the outside actuator k of control bus 3 controls.
In the present embodiment, the object or person body of conductor i for making by metal material, the object of making by the metal material area that is exposed to the space more preferably greater than or equal 100
2Cm, this be because conductor to be exposed to the area in space big more, capacity effect is just big more, radio signal transmission is accurate more, the discrimination of recognizer 2 identification radio-frequency identification cards 1 is higher, so when conductor i was human body, recognition effect was better.
In the present embodiment, the circuit theory diagrams of the second control circuit a and the second wire coil d as shown in Figure 2, second control circuit a comprises supply voltage VCC, single-chip microcomputer IC1, radio-frequency identification card identification special chip IC 2 and crystal oscillator AT1, supply voltage VCC is by first capacitor C, 1 ground connection, the 5th pin ground connection of single-chip microcomputer IC1, crystal oscillator AT1 is connected between the 7th pin of the 6th pin of single-chip microcomputer IC1 and single-chip microcomputer IC1, the 6th pin of single-chip microcomputer IC1 and the common port of crystal oscillator AT1 are by second capacitor C, 2 ground connection, the 7th pin of single-chip microcomputer IC1 and the common port of crystal oscillator AT1 are by the 3rd capacitor C 3 ground connection, the 8th pin of single-chip microcomputer IC1 is connected with the 13rd pin of radio-frequency identification card identification special chip IC 2 respectively with the 18th pin of single-chip microcomputer IC1, the 11st pin of single-chip microcomputer IC1 is connected as the serial communication interface RxD1 of a serial communication port with the outside actuator k that is controlled by single-chip microcomputer IC1, the 12nd pin of single-chip microcomputer IC1 is connected as the serial communication interface TxD1 of another serial communication port with the outside actuator k that is controlled by single-chip microcomputer IC1, the 13rd pin of single-chip microcomputer IC1 is connected with the 2nd pin of radio-frequency identification card identification special chip IC 2, the 17th pin of single-chip microcomputer IC1 is connected with the 14th pin of radio-frequency identification card identification special chip IC 2, the 1st pin of radio-frequency identification card identification special chip IC 2, the 12nd pin of the 5th pin of radio-frequency identification card identification special chip IC 2 and radio-frequency identification card identification special chip IC 2 is ground connection respectively, the 3rd pin of radio-frequency identification card identification special chip IC 2 is connected with the first end c of the second wire coil d by first resistance R 1, the 4th pin of radio-frequency identification card identification special chip IC 2 is by the tenth capacitor C 10 ground connection, the 6th pin of radio-frequency identification card identification special chip IC 2 is connected with the second end b of the second wire coil d by the 4th capacitor C 4, the 7th pin of radio-frequency identification card identification special chip IC 2 is connected with supply voltage VCC, and by the 8th capacitor C 8 ground connection, the 8th pin of radio-frequency identification card identification special chip IC 2 is connected with the second end b of the second wire coil d by the 7th capacitor C 7, and by the 9th capacitor C 9 ground connection, the 9th pin of radio-frequency identification card identification special chip IC 2 is connected by the 10th pin of the 12 capacitor C 12 with radio-frequency identification card identification special chip IC 2, the 11st pin of radio-frequency identification card identification special chip IC 2 is by the 11 capacitor C 11 ground connection, the 15th pin of radio-frequency identification card identification special chip IC 2 is by the 5th capacitor C 5 ground connection, and the 16th pin of radio-frequency identification card identification special chip IC 2 is by the 6th capacitor C 6 ground connection.
Above-mentioned supply voltage VCC is 5V; The model of the single-chip microcomputer IC1 that adopts is 87LPC764; The model of the radio-frequency identification card identification special chip IC 2 that adopts is EM4095, and this radio-frequency identification card identification special chip IC 2 is built-in with oscillatory circuit, and the second wire coil d is as the inductance of this oscillatory circuit.
System of the present invention can be applied in the various identification systems, provided application in lock system at this, as shown in Figure 3, lock system comprises metal latch 4 and metal key 5, metal latch 4 mainly is made up of metal lock body 41 and lock core 42, be provided with insulation course 43 between metal lock body 41 and the lock core 42, metal lock body 41 is by insulation course 43 and lock core 42 insulation, and metal key 5 comprises key body 51 and is arranged on the key handle 52 of key body 51 rear ends.Radio-frequency identification card 1 is arranged in the key handle 52, the first wired connection portion 11 is a key body 51, the second wired connection portion 21 comprises lock core 42 and is used to connect lock core 42 and the lead 22 of the first end c of the second wire coil d, the 3rd wired connection portion 12 comprises lock body 41, be arranged on the metal protruding 7 on the lock body 41 and be arranged on the key handle 52 and be used for and metal protruding 7 contacted sheet metals 6, lock body 41 is connected with conductor i, conductor i can be and lock body 41 contacted metal objects herein, and promptly conductor i can be for using the metal cabinet of this lock system, metallic door, in metal window-frame or the metal frame any.The first end g of the first wire coil h can be connected with key body 51 by general lead, and lead 22 can adopt existing general lead.Recognizer 2 is connected with outside actuator k, and outside actuator k can be alarm or indicator or another electronic lock etc.
Above-mentioned lock system is used on electric bicycle, can only use a radio-frequency identification card, conductor is a metal frame herein, and actuator is the electric machine controller of electric bicycle, and the application of the invention can reach the effect of electronic anti-theft.The concrete course of work is as follows:
1, the metal key 5 that will be provided with radio-frequency identification card 1 is inserted in the lock core 42 of metal latch 4 of electric bicycles;
2, rotate the key handgrip 52 of metal key 5, metal key 5 drives the general supply of lock core 42 rotating opening electric bicycles, and recognizer 2 is started working, and when metal key 5 forwarded the end to, sheet metal 6 contacted with metal protruding 7;
3, recognizer 2 obtains the identity information that carries in the radio-frequency identification card 1 by lock core 42 and key body 51;
4, recognizer 2 compares identity information that obtains and the identity information that is stored in the recognizer 2 in advance, judge whether the identity information that obtains is legal, when the identity information that obtains is legal, recognizer 2 controls are started working as the electric machine controller of the electric bicycle of actuator k, and after this recognizer 2 is no longer discerned; When the identity information that obtains was illegal, recognizer 2 controls were forbidden work as the electric machine controller of the electric bicycle of actuator k, and obtain the identity information that carries in the radio-frequency identification card 1 again.
In the actual application, because metal key 5 is after lock core 42 is relayed to the end, meeting resilience a little, this moment, sheet metal 6 no longer contacted with metal protruding 7, if one-time authentication failure, need sheet metal 6 and metal protruding 7 contacted, recognizer 2 just obtains the identity information that carries in the radio-frequency identification card 1 again.
Metallic door was as conductor i when above-mentioned lock system was applied to the metallic door body, and the metal forms were as conductor i when above-mentioned lock system was applied to metal window, and the metal cabinet of proof box was formed conductor i jointly when above-mentioned lock system was applied to proof box.
Fig. 4 has provided radio-frequency identification card 1 and the application of recognizer 2 in another kind of lock system, this lock system comprises metal latch 4 and metal key 5, metal latch 4 mainly is made up of metal lock body 41 and lock core 42, and metal key 5 comprises key body 51 and is arranged on the key handle 52 of key body 51 rear ends.Radio-frequency identification card 1 is arranged in the key handle 52, lock body 41 is provided with metal protruding 7, be provided with insulation course 9 between lock body 41 and the metal protruding 7, lock body 41 is by protruding 7 insulation of insulation course 9 and metal, key handle 52 is provided with and is used for and metal protruding 7 contacted sheet metals 6, the first wired connection portion 11 is a sheet metal 6, the lead 23 that the second wired connection portion 21 comprises metal protruding 7 and is used to connect the first end c of the metal protruding 7 and the second wire coil d, the 3rd wired connection portion 12 comprises key body 51, lock core 42 and lock body 41, lock body 41 is connected with conductor i, and conductor i can be and lock body 41 contacted metal objects herein.The first end g of the first wire coil h can be connected with sheet metal 6 by general lead, and lead 23 can adopt existing general lead, and the second end f of the first wire coil h can be connected with key body 51 by general lead.Recognizer 2 is connected with outside actuator k, and outside actuator k can be alarm or indicator or another electronic lock etc.Conductor i herein can be metal cabinet, metallic door, metal window-frame or the metal frame of using this lock system.
Claims (9)
1. radio-frequency recognition system that is used for identifying object, radio-frequency identification card and a recognizer that is used with described radio-frequency identification card of comprising unique identity coding that at least one stores identifying object in advance, be provided with first control circuit and first wire coil that is connected with described first control circuit in the described radio-frequency identification card, be provided with second control circuit and second wire coil that is connected with described second control circuit in the described recognizer, described second control circuit is connected by the outside actuator of control bus and at least one, first end that it is characterized in that described first wire coil is connected with the first wired connection portion, first end of described second wire coil is connected with the second wired connection portion that is used for the described first wired connection portion wired connection, second end of described first wire coil is connected with the 3rd wired connection portion, described the 3rd wired connection portion is connected with conductor, described recognizer is discerned described radio-frequency identification card by the wired connection of described first wired connection portion and the described second wired connection portion, and the identity information that described recognizer obtains according to its identification is controlled the executing state of described outside actuator.
2. a kind of radio-frequency recognition system that is used for identifying object according to claim 1 is characterized in that the number of described outside actuator was set according to actual needs in advance by manufacturer before described recognizer dispatches from the factory.
3. a kind of radio-frequency recognition system that is used for identifying object according to claim 1 is characterized in that the number of described outside actuator is identical with the number of described radio-frequency identification card, and described outside actuator is corresponding one by one with described radio-frequency identification card.
4. according to each described a kind of radio-frequency recognition system that is used for identifying object in the claim 1 to 3, it is characterized in that described second control circuit comprises supply voltage, single-chip microcomputer, radio-frequency identification card identification special chip and crystal oscillator, described supply voltage is by first capacity earth, the 5th pin ground connection of described single-chip microcomputer, described crystal oscillator is connected between the 7th pin of the 6th pin of described single-chip microcomputer and described single-chip microcomputer, the 6th pin of described single-chip microcomputer and the common port of described crystal oscillator are by second capacity earth, the 7th pin of described single-chip microcomputer and the common port of described crystal oscillator are by the 3rd capacity earth, the 8th pin of described single-chip microcomputer and the 18th pin of described single-chip microcomputer are connected with the 13rd pin of described radio-frequency identification card identification special chip respectively, the 11st pin of described single-chip microcomputer and the 12nd pin of described single-chip microcomputer are connected respectively with by described monolithic processor controlled outside actuator, the 13rd pin of described single-chip microcomputer is connected with the 2nd pin of described radio-frequency identification card identification special chip, the 17th pin of described single-chip microcomputer is connected with the 14th pin of described radio-frequency identification card identification special chip, the 1st pin of described radio-frequency identification card identification special chip, the 12nd pin of the 5th pin of described radio-frequency identification card identification special chip and described radio-frequency identification card identification special chip is ground connection respectively, the 3rd pin of described radio-frequency identification card identification special chip is connected with first end of described second wire coil by first resistance, the 4th pin of described radio-frequency identification card identification special chip is by the tenth capacity earth, the 6th pin of described radio-frequency identification card identification special chip is connected with second end of described second wire coil by the 4th electric capacity, the 7th pin of described radio-frequency identification card identification special chip is connected with described supply voltage, and by the 8th capacity earth, the 8th pin of described radio-frequency identification card identification special chip is connected with second end of described second wire coil by the 7th electric capacity, and by the 9th capacity earth, the 9th pin of described radio-frequency identification card identification special chip is connected by the 10th pin of the 12 electric capacity with described radio-frequency identification card identification special chip, the 11st pin of described radio-frequency identification card identification special chip is by the 11 capacity earth, the 15th pin of described radio-frequency identification card identification special chip is by the 5th capacity earth, and the 16th pin of described radio-frequency identification card identification special chip is by the 6th capacity earth.
5. a kind of radio-frequency recognition system that is used for identifying object according to claim 4 is characterized in that the object of described conductor for being made by metal material, and the area that the described object of being made by metal material is exposed to the space is greater than or equal to 100cm
2
6. a kind of radio-frequency recognition system that is used for identifying object according to claim 5, it is characterized in that described radio-frequency identification card is arranged in the key handle of metal key, the described first wired connection portion is the key body of metal key, the described second wired connection portion comprises the lock core of metal latch and is used to connect the lead of first end of described lock core and described second wire coil, described the 3rd wired connection portion comprises the lock body of metal latch, it is protruding and be arranged on the described key handle and be used for and the protruding contacted sheet metal of described metal to be arranged on metal on the described lock body, be provided with insulation course between described lock body and the described lock core, described lock body is connected with described conductor, described recognizer is discerned described radio-frequency identification card by described first wired connection portion and the described second wired connection portion, and described recognizer is according to the executing state of the identity information control that its identification the obtains described outside actuator corresponding with described metal key.
7. a kind of radio-frequency recognition system that is used for identifying object according to claim 6 is characterized in that described conductor is in metal cabinet, metallic door, metal window-frame or the metal frame of using described metal latch any.
8. a kind of radio-frequency recognition system that is used for identifying object according to claim 5, it is characterized in that described radio-frequency identification card is arranged in the key handle of metal key, the described first wired connection portion is the sheet metal that is arranged on the described key handle, the described second wired connection portion comprises on the lock body that is arranged on metal latch and is used for protruding with the contacted metal of described sheet metal and is used to be connected the lead of first end of protruding and described second wire coil of described metal, described the 3rd wired connection portion comprises the key body of metal key, the lock core of metal latch and described lock body, be provided with insulation course between described lock body and described metal are protruding, described lock body is connected with described conductor, described recognizer is discerned described radio-frequency identification card by described first wired connection portion and the described second wired connection portion, and described recognizer is according to the executing state of the identity information control that its identification the obtains described outside actuator corresponding with described metal key.
9. a kind of radio-frequency recognition system that is used for identifying object according to claim 8 is characterized in that described conductor is in metal cabinet, metallic door, metal window-frame or the metal frame of using described metal latch any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100958005A CN101477615B (en) | 2009-01-21 | 2009-01-21 | Radio frequency recognition system for identifying objects |
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| CN2009100958005A CN101477615B (en) | 2009-01-21 | 2009-01-21 | Radio frequency recognition system for identifying objects |
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| CN101477615A CN101477615A (en) | 2009-07-08 |
| CN101477615B true CN101477615B (en) | 2010-11-03 |
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| CN2009100958005A Expired - Fee Related CN101477615B (en) | 2009-01-21 | 2009-01-21 | Radio frequency recognition system for identifying objects |
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| CN105804531A (en) * | 2016-03-21 | 2016-07-27 | 武汉工程大学 | Bicycle lock with RFID and control method |
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| CN101051356A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Novel active radio frequency identifying system and its operationn method |
| CN201177922Y (en) * | 2008-03-24 | 2009-01-07 | 张卫强 | Disposal personal identification label |
| CN101276402A (en) * | 2008-04-01 | 2008-10-01 | 张卫强 | Personal identification system and method |
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| CN101477615A (en) | 2009-07-08 |
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