CN101481966A - Electronic lock based on personal identification - Google Patents
Electronic lock based on personal identification Download PDFInfo
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- CN101481966A CN101481966A CNA2009100957996A CN200910095799A CN101481966A CN 101481966 A CN101481966 A CN 101481966A CN A2009100957996 A CNA2009100957996 A CN A2009100957996A CN 200910095799 A CN200910095799 A CN 200910095799A CN 101481966 A CN101481966 A CN 101481966A
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Abstract
The invention discloses an electronic lock for identification, having the advantages that a lock body and a lock core are mutually insulated by an insulating layer, a metallic bulge is arranged at the lock body, and sheet metal is arranged at a key handle in which an information circuit is also arranged; the information circuit is respectively connected with a key body and the sheet metal; a controller and the lock core are connected by a first metal wire and the controller and the lock body are connected by a second metal wire; when the key body is inserted in the lock core, the first metal wire, the lock core and the key body form a first conducting wire, and the controller, the first conducting wire and the information circuit are used as an electrical signal channel; when the metallic bulge comes in contact with the sheet metal, the second metal wire, the lock body, the metallic bulge and the sheet metal form a second conducting wire, and the controller, the second conducting wire and the information circuit are used as the other electrical signal channel; and finally, the two electrical signal channels realize the communication between the controller and the information circuit. As the communication is realized by the conducting wires, the communication between the controller and the information circuit can not be affected by other electromagnetic waves, thereby reinforcing the capacity of resisting disturbance.
Description
Technical field
The present invention relates to a kind of lockset, especially relate to a kind of electronic lock based on identification.
Background technology
Radio frequency identification (RFID, Radio Frequency Identificantion) technology is that a kind of radio frequency that utilizes reads and writes data by exterior material, with REID and IC (Integrated Circuit, integrated circuit) card technique combines and can be used for remote, moving-target, the technology of wireless identification, have contactless, operating distance is big, the precision height, the information collection and treatment is quick, information storage is big, all weather operations reaches applied environment compliance preferably, can be used for single concrete object is discerned, also can be used for a plurality of objects are discerned.Basic rfid system generally includes label (being responder) and read write line, and each label has unique identify label coding (being ID number), and label is attached to and identifies destination object on the object; Read write line is used to read or write the information of label, and the electromagnetic wave that sends by antenna between label and the read write line intercoms mutually.
Rfid system has been widely used in the every field, and the especially application in identification is core part easy to use, with low cost in identification and the management, as is applied to intelligent door lock.At present, the intelligent door lock of having used rfid system generally includes the key that is made of the RFID label, is arranged on read write line, lock body control circuit and lock body and mechanical linkage which controls in the tapered end, and the lock body control circuit is connected with lock body and mechanical linkage which controls with read write line respectively; But lock body and mechanical linkage which controls as executing agency are generally metal, have isolated the electromagnetic induction between read write line and the RFID label, need that one of specialized designs is nonmetallic to be used to transmit electromagnetic window; This window mechanical strength is low, and is very easily destroyed, and the antijamming capability of this door lock is relatively poor, and read write line and communicating by letter of RFID label very easily are subjected to the influence of electromagnetic transmission medium; Communication distance between read write line and the RFID label is shorter, so read write line is limited in the tapered end, and therefore the application of rfid system in lockset also be greatly limited.
Summary of the invention
It is strong that technical problem to be solved by this invention provides a kind of antijamming capability, safe and reliable, and the electronic lock based on identification simple in structure.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of electronic lock based on identification, comprise metal latch, metal key and controller, described metal latch mainly is made up of lock body and lock core, described metal key mainly is made up of key body and key handgrip, described controller is connected with outside actuator, be provided with a layer insulating between described lock body and the described lock core, it is protruding that described lock body is provided with metal, described key handgrip is provided with and is used for and the protruding contacted sheet metal of described metal, be provided with the information circuit that carries identity information in the described key handgrip, described information circuit is connected with described sheet metal with described key body respectively, be connected with first wire between described controller and the described lock core, be connected with second wire between described controller and the described lock body.
Described key body and described lock core constitute one first contact-making switch, protruding and the described sheet metal of described metal constitutes one second contact-making switch, described first wire, described lock core and described key body constitute first lead during closed conducting of described first contact-making switch, and described second wire, described lock body, the protruding and described sheet metal of described metal constitute second lead during closed conducting of described second contact-making switch.
Described controller comprises identifier and conductor, described identifier mainly is made up of with first wire coil that is connected with described first control circuit first control circuit, described first control circuit is connected with outside actuator by control bus, described information circuit is a radio-frequency identification card, described radio-frequency identification card mainly is made up of with second wire coil that is connected with described second control circuit second control circuit, first end of described first wire coil is connected with first end of described second wire coil by described first lead, and described conductor dbus is crossed described second lead and is connected with second end of described second wire coil.
Described identifier is discerned the identity information that carries in the described radio-frequency identification card by described first lead, and controls the executing state of described outside actuator according to the identity information that identification obtains.
The object that be exposed to space of described conductor for making by conductive material.
Described object is exposed to the area in space more than or equal to 100cm
2
Described controller comprises identifier, described identifier mainly is made up of with first wire coil that is connected with described first control circuit first control circuit, described first control circuit is connected with outside actuator by control bus, described information circuit is a radio-frequency identification card, described radio-frequency identification card mainly is made up of with second wire coil that is connected with described second control circuit second control circuit, first end of described first wire coil is connected with first end of described second wire coil by described first lead, and second end of described first wire coil is connected with second end of described second wire coil by described second lead.
Described identifier is discerned the identity information that carries in the described radio-frequency identification card by described first lead and described second lead, and controls the executing state of described outside actuator according to the identity information that identification obtains.
Compared with prior art, the invention has the advantages that between lock body and the lock core and insulate by insulating layer, it is protruding that lock body is provided with metal, the key handgrip is provided with and is used for and the protruding contacted sheet metal of metal, be provided with information circuit in the key handgrip, information circuit is connected with sheet metal with key body respectively, be connected with first wire between controller and the lock core, be connected with second wire between controller and the lock body, key body and lock core constitute one first contact-making switch, first wire during when key body insertion lock core when the closed conducting of first contact-making switch, lock core, key body constitutes first lead, the two ends of first lead connect controller and information circuit respectively as a pathway for electrical signals, metal is protruding to constitute one second contact-making switch with sheet metal, when the closed conducting of second contact-making switch when key body rotates in lock core that substrate is protruding to contact with sheet metal second wire, lock body, metal is protruding, sheet metal constitutes second lead, the two ends of second lead connect controller and information circuit respectively as another pathway for electrical signals, two pathway for electrical signals have realized communicating by letter between controller and the information circuit, in communication process, need not by the electromagnetic transmission medium, and because communication realizes by lead, make that communication is not subjected to other electromagnetic influences between the two, thereby strengthened the antijamming capability of communication process, make the work of this electronic lock safer reliable, and increased transmission range, can reach more than 4 meters; Information circuit among the present invention can directly use a radio-frequency identification card, realize communicating by letter by lead between identifier and the radio-frequency identification card, though this radio-frequency identification card has departed from its original intention that designs for radio frequency identification, 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; In addition, the present invention is simple in structure, easy to use, and the identifier in this lockset no longer requires to be limited in the tapered end, can strengthen the application performance of lockset greatly.
Description of drawings
Fig. 1 is a structural representation block diagram of the present invention;
Fig. 2 is the connection diagram of the controller and the information circuit of specific embodiments of the invention one;
Fig. 3 is the connection diagram of the controller and the information circuit of specific embodiments of the invention two.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one: as depicted in figs. 1 and 2, a kind of electronic lock based on identification, comprise metal latch 1, metal key 2 and controller 3, metal latch 1 mainly is made up of lock body 11 and lock core 12, metal key 2 mainly is made up of key body 21 and key handgrip 22, be provided with a layer insulating 13 between lock body 11 and the lock core 12, the effect of insulating layer 13 mainly is in order to form conductive path between the lock body 11 that is used to prevent lock core 12 and metal, lock body 11 is provided with metal protruding 4, key handgrip 22 is provided with and is used for and metal protruding 4 contacted sheet metals 5, metal protruding 4 is corresponding with the position of sheet metal 5, promptly sheet metal 5 contacts with metal protruding 4 when key body 21 inserts in the lock core 12 and rotates to the end, be provided with the information circuit 6 that carries identity information in the key handgrip 22, information circuit 6 is connected with sheet metal 5 with key body 21 respectively, be connected with first wire 71 between the end of controller 3 and lock core 12, be connected with second wire 72 between controller 3 and the lock body 11, controller 3 is connected with outside actuator 8 by control bus 31.
In actual application, it should be noted that if the end of the first wire coil d is connected with supply voltage, then this end can not use as the first end c, promptly this end can not be connected with the first end g of the second wire coil h.
The electronic lock that present embodiment is provided is applied on the electric bicycle, only use a key, the length of first wire 71 can be about 60cm, outside actuator 8 is the electric machine controller of electric bicycle, the electric bicycle vehicle frame can be used as conductor 33, uses electronic lock of the present invention can reach the effect of electronic anti-theft.The concrete course of work is as follows:
1. the key body 21 with metal key 2 is inserted in the lock core 12 of the metal latch 1 that is installed on the electric bicycle;
2. the key handgrip 22, drive the general supply of lock core 12 rotating opening electric bicycles, when metal key 2 rotates to the end, sheet metal 5 and metal protruding 4 contacts, at this moment, the vehicle frame of lock body 11, second wire 72 and the electric bicycle of the second end f of the second wire coil h, metal protruding 4 by sheet metal 5, metal constitutes a pathway for electrical signals;
3. identifier 32 is started working, and obtains the identity information that carries in the radio-frequency identification card by first wire 71, lock core 12, key body 21;
4. identifier 32 is analyzed the identity information that identification obtains, be stored in the identifier 32 identity information relatively and judge whether legal;
5. if identity information is legal, allows the machine operation of electric motor car, otherwise forbid the machine operation of electric motor car;
6. just close identifier 32 if identity information is legal, otherwise obtain the identity information that carries in the radio-frequency identification card again.
In the actual application, since key body 21 rotates to the end in lock core 12 after, meeting resilience a little, and this moment, sheet metal 5 no longer contacted with metal protruding 4, need sheet metal 5 and metal protruding 4 contacted, identifier 32 just obtains the identity information that carries in the radio-frequency identification card again.
Embodiment two: as shown in figures 1 and 3, present embodiment and embodiment one are basic identical, difference only is that controller 3 only comprises identifier 32, identifier 32 mainly is made up of with the first wire coil d that is connected with first control circuit a first control circuit a, first control circuit a is connected with outside actuator 8 by control bus 31, information circuit 6 can directly use a radio-frequency identification card, radio-frequency identification card mainly is made up of with the second wire coil h that is connected with second control circuit e second control circuit e, the first end c of the first wire coil d is connected with the first end g of the second wire coil h by the first lead i, and the second end b of the first wire coil d is connected with the second end f of the second wire coil h by the second lead j.Identifier 32 is discerned the identity information that carries in the radio-frequency identification card by the first lead i and the second lead j, and controls the executing state of outside actuator 8 according to the identity information that identification obtains.
Claims (8)
1, a kind of electronic lock based on identification, comprise metal latch, metal key and controller, described metal latch mainly is made up of lock body and lock core, described metal key mainly is made up of key body and key handgrip, described controller is connected with outside actuator, it is characterized in that being provided with a layer insulating between described lock body and the described lock core, it is protruding that described lock body is provided with metal, described key handgrip is provided with and is used for and the protruding contacted sheet metal of described metal, be provided with the information circuit that carries identity information in the described key handgrip, described information circuit is connected with described sheet metal with described key body respectively, be connected with first wire between described controller and the described lock core, be connected with second wire between described controller and the described lock body.
2, a kind of electronic lock according to claim 1 based on identification, it is characterized in that described key body and described lock core constitute one first contact-making switch, protruding and the described sheet metal of described metal constitutes one second contact-making switch, described first wire, described lock core and described key body constitute first lead during closed conducting of described first contact-making switch, and described second wire, described lock body, the protruding and described sheet metal of described metal constitute second lead during closed conducting of described second contact-making switch.
3, a kind of electronic lock according to claim 2 based on identification, it is characterized in that described controller comprises identifier and conductor, described identifier mainly is made up of with first wire coil that is connected with described first control circuit first control circuit, described first control circuit is connected with outside actuator by control bus, described information circuit is a radio-frequency identification card, described radio-frequency identification card mainly is made up of with second wire coil that is connected with described second control circuit second control circuit, first end of described first wire coil is connected with first end of described second wire coil by described first lead, and described conductor dbus is crossed described second lead and is connected with second end of described second wire coil.
4, a kind of electronic lock according to claim 3 based on identification, it is characterized in that described identifier discerns the identity information that carries in the described radio-frequency identification card by described first lead, and control the executing state of described outside actuator according to the identity information that identification obtains.
5,, it is characterized in that the object that be exposed to space of described conductor for making by conductive material according to claim 3 or 4 described a kind of electronic locks based on identification.
6, a kind of electronic lock based on identification according to claim 5 is characterized in that described object is exposed to the area in space more than or equal to 100cm
2
7, a kind of electronic lock according to claim 2 based on identification, it is characterized in that described controller comprises identifier, described identifier mainly is made up of with first wire coil that is connected with described first control circuit first control circuit, described first control circuit is connected with outside actuator by control bus, described information circuit is a radio-frequency identification card, described radio-frequency identification card mainly is made up of with second wire coil that is connected with described second control circuit second control circuit, first end of described first wire coil is connected with first end of described second wire coil by described first lead, and second end of described first wire coil is connected with second end of described second wire coil by described second lead.
8, a kind of electronic lock according to claim 7 based on identification, it is characterized in that described identifier discerns the identity information that carries in the described radio-frequency identification card by described first lead and described second lead, and control the executing state of described outside actuator according to the identity information that identification obtains.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100957996A CN101481966B (en) | 2009-01-21 | 2009-01-21 | Electronic lock based on personal identification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009100957996A CN101481966B (en) | 2009-01-21 | 2009-01-21 | Electronic lock based on personal identification |
Publications (2)
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CN101481966A true CN101481966A (en) | 2009-07-15 |
CN101481966B CN101481966B (en) | 2012-01-04 |
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CN2009100957996A Expired - Fee Related CN101481966B (en) | 2009-01-21 | 2009-01-21 | Electronic lock based on personal identification |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101775922A (en) * | 2009-12-31 | 2010-07-14 | 上海杰远环保科技有限公司 | Radio frequency guide-passage key, lock cylinder system and realization method thereof |
CN102930622A (en) * | 2012-11-13 | 2013-02-13 | 邓云汉 | Novel electronic mechanical lock |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988005854A1 (en) * | 1987-02-09 | 1988-08-11 | R. Berchtold Ag | Contact means for transmitting electric signals between a lock and key in a cylinder lock |
DE4314903A1 (en) * | 1993-05-05 | 1994-11-10 | Winkhaus Fa August | Lock arrangement |
FR2738586A1 (en) * | 1995-09-07 | 1997-03-14 | Valeo Electronique | Combined electric and mechanical door lock for motor vehicle central locking |
CN200946401Y (en) * | 2006-09-11 | 2007-09-12 | 郑文宸 | Lock and key combining electronic key and mechanical coding |
CN201351402Y (en) * | 2009-01-23 | 2009-11-25 | 宁波大学 | Electronic lock based on identification |
-
2009
- 2009-01-21 CN CN2009100957996A patent/CN101481966B/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101775922A (en) * | 2009-12-31 | 2010-07-14 | 上海杰远环保科技有限公司 | Radio frequency guide-passage key, lock cylinder system and realization method thereof |
CN101775922B (en) * | 2009-12-31 | 2015-11-25 | 马宇尘 | A kind of radio frequency guide-passage key, lock cylinder system and its implementation |
CN102930622A (en) * | 2012-11-13 | 2013-02-13 | 邓云汉 | Novel electronic mechanical lock |
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CN101481966B (en) | 2012-01-04 |
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