CN115336842A - Intelligent anti-shear key ring based on RFID and control method thereof - Google Patents

Intelligent anti-shear key ring based on RFID and control method thereof Download PDF

Info

Publication number
CN115336842A
CN115336842A CN202210832596.6A CN202210832596A CN115336842A CN 115336842 A CN115336842 A CN 115336842A CN 202210832596 A CN202210832596 A CN 202210832596A CN 115336842 A CN115336842 A CN 115336842A
Authority
CN
China
Prior art keywords
key
key ring
flexible
rfid
radio frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210832596.6A
Other languages
Chinese (zh)
Inventor
缪夏明
谢立军
吴祖江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastern Communication Co Ltd
Original Assignee
Eastern Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastern Communication Co Ltd filed Critical Eastern Communication Co Ltd
Priority to CN202210832596.6A priority Critical patent/CN115336842A/en
Publication of CN115336842A publication Critical patent/CN115336842A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B15/00—Key-rings
    • A44B15/005—Fobs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/04—Construction of the bow or head of the key; Attaching the bow to the shank
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
    • G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/0772—Physical layout of the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention discloses an intelligent anti-shearing key ring based on RFID and a control method thereof, wherein the key ring comprises a key ring shell, wherein a radio frequency circuit board is arranged in the key ring shell and transmits a wireless signal; the key ring casing one side still is equipped with flexible knot rope and catching groove, and flexible knot rope one end and key ring casing fixed connection, the flexible knot rope other end are equipped with disposable discount, the catching groove with disposable discount phase-match, the inside electrically conductive route that is equipped with of flexible knot rope, electrically conductive route and circuit formation closed loop route on the radio frequency circuit board. When the flexible buckle is used, the disposable buckle head drives the flexible buckle rope to pass through the key, then the disposable buckle head is inserted into the buckle slot to form an annular structure, the flexible buckle rope is fixed on the key at one time, the key ring is prevented from being opened and then restored after the key is taken down, and the anti-loss performance is high. The key is transmitted by contactless logic encryption: the information of the user, the return person and the use duration is input into the key ring; the key receiving, returning and storing are effectively supervised.

Description

Intelligent anti-shear key ring based on RFID and control method thereof
Technical Field
The invention relates to the technical field of intelligent keys, in particular to an intelligent anti-shearing key ring based on RFID and a control method thereof.
Background
Many mechanisms need to keep a large number of keys in daily operation, and the conventional management method for keys is usually as follows: the key is numbered, the numbered key is placed in an ordinary key cabinet or a key disc, each lending record of the key can only be recorded in a notebook or an electronic form, if the numbered key is fuzzy, the key can be wrongly returned, lost or difficult to match, a radio frequency key ring is additionally arranged on each key in the prior art, the radio frequency key ring is used for managing the functions of taking, returning and using time of the key, and the like, but the situation that the key ring is returned only after being separated from the key often occurs in the actual operation.
For example, a "key cabinet, key ring and key management system" disclosed in the chinese patent literature, whose publication number CN216293721U includes a cabinet body assembly, a control assembly, a radio frequency assembly and a power supply assembly; the cabinet body assembly comprises a cabinet body and a key connecting unit, and the key connecting unit is arranged in the cabinet body; the control component is arranged in the cabinet body; the radio frequency assembly comprises an antenna, a radio frequency transceiving module and a reader, the antenna, the radio frequency transceiving module and the reader are all arranged in the cabinet body, the antenna is electrically connected with the radio frequency transceiving module, and the radio frequency transceiving module and the reader are electrically connected with the control assembly; the power supply assembly is arranged in the cabinet body and is electrically connected with the control assembly. However, in the method, the key connection unit is used for connecting the key, the key information is stored through the key connection unit, the key connection unit is detachably connected with the key, and the situation that the key is lost after the key is separated from the key connection unit exists.
Disclosure of Invention
The invention provides an RFID-based intelligent anti-shearing key ring integrating a radio frequency key ring and a key and a control method thereof, aiming at solving the problems that the key ring is separated from the key in the using process to cause the key loss or the key use authentication information is not matched in the key management and control system and method in the prior art, and achieving the effect of intelligent key management and control.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent anti-shearing key ring based on RFID comprises a key ring shell, wherein a radio frequency circuit board is arranged in the key ring shell and transmits wireless signals; the key ring is characterized in that one side of the key ring shell is also provided with a flexible buckle rope and a buckle groove, one end of the flexible buckle rope is fixedly connected with the key ring shell, the other end of the flexible buckle rope is provided with a disposable buckle head, the buckle groove is matched with the disposable buckle head, a conductive path is arranged inside the flexible buckle rope, and the conductive path and a circuit on the radio frequency circuit board form a closed loop path. Disposable discount and catching groove phase-match will disposable discount drive the flexible knot rope and pass the key during use, then insert disposable discount and form the ring in the catching groove, realize once only fixing flexible knot rope on the key, prevent that the key ring from being opened and recovering after taking off the key again, prevent losing the nature height.
Preferably, the radio frequency circuit board comprises a radio frequency chip and an LC resonance circuit, the conductive path comprises a first conductive path and a second conductive path, one end of the LC resonance circuit is connected to a first input pin of the radio frequency chip through the first conductive path, the other end of the LC resonance circuit is connected to a second input pin of the radio frequency chip through the second conductive path, and the first conductive path and the second conductive path both extend into the disposable buckle head through the inside of the key buckle shell and the inside of the flexible buckle rope. The key is only bound with the radio frequency chip, and when the flexible buckle rope is damaged or cut off, the LC resonance circuit is damaged, so that the radio frequency chip cannot be read by a card reader, and the condition that the key chain is returned independently is avoided.
Preferably, the LC resonant circuit includes a resonant capacitor C1 and an antenna L1 connected in parallel with the capacitor C1. The LC resonance circuit oscillates at a specific frequency and can be coupled to energy from the reader-writer, and when the LC resonance circuit is coupled to the reader-writer and has enough magnetic flux, the LC resonance circuit can provide electric energy for the radio frequency IC to transfer information between the reader-writer and the radio frequency IC.
Preferably, the antenna L1 is in a spiral shape, and the antenna L1 is provided by imprinting or printing on a dielectric plate.
Preferably, the flexible buckle rope comprises a first flexible stainless steel spring protection pipe and a second flexible stainless steel spring protection pipe which are sequentially wrapped on the outer side of the conductive path, and the conductive path is made of stainless steel rubber-coated wires. The stainless steel rubber covered wire is a 7-braided 304 stainless steel rubber covered wire to form a 6-core 3-group wire harness, and the first flexible stainless steel spring protection pipe and the second flexible stainless steel spring protection pipe are both 304 stainless steel spring pipes. The stainless steel spring tube has certain elasticity, and can reduce the rubber-coated wire and receive the condition appearance that damages because of buckling.
A control method of an RFID-based intelligent anti-shear key ring comprises a control device, wherein the control device is used for controlling and reading key ring information and is applied to the RFID-based intelligent anti-shear key ring, and the control method comprises the following steps: initializing a binding process: establishing a corresponding relation between the key ring and the key, and inputting key information into the key ring through non-contact logic encryption transmission;
preferably, the key information includes: people are taken, returned and used for a long time. The key receiving, returning and storing are effectively supervised.
Preferably, when the control device continuously reads the key ring information for more than two times and cannot read the key ring internal information, the control device sends out first alarm information; when the key is used for a certain time, the control equipment sends out a second alarm signal. Different alarm signals are adopted to distinguish the condition that the key ring is damaged and the key use time is cut off.
Therefore, the invention has the following beneficial effects: (1) Disposable discount and catching groove phase-match will disposable discount drive the flexible knot rope and pass the key during use, then insert disposable discount and form the ring in the catching groove, realize once only fixing flexible knot rope on the key, prevent that the key ring from being opened and recovering after taking off the key again, prevent losing the nature height. (2) The flexible knot rope is built-in to have a conducting wire, and the key is only bound with the radio frequency chip, and when the flexible knot rope was damaged or was cut off, LC resonant circuit was destroyed and is made the radio frequency chip unable read by the card reader, avoided returning the condition of key ring alone. (3) Adopt double-deck stainless steel spring tube protection, stainless steel spring tube has certain elasticity, can reduce the rubber coating wire and receive the condition appearance of damaging because of buckling, improves the life of key ring.
Drawings
Fig. 1 is a circuit diagram of a radio frequency chip and an LC circuit diagram of an RFID-based smart cut-resistant key fob according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an RFID-based smart cut-resistant key ring according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an RFID-based smart cut-resistant key fob, in accordance with an embodiment of the invention.
Fig. 4 is a cross-sectional view of a flexible lanyard of an RFID-based smart cut-resistant key fob, in accordance with an embodiment of the invention.
In the figure: 1. the key ring comprises a key ring shell 2, a rear cover plate 3, a radio frequency circuit board 4, a flexible buckle rope 5, a disposable buckle head 6, a buckle groove 7, a radio frequency chip 8, a first conductive path 9, a second conductive path 10, a stainless steel rubber-coated wire 11, a first flexible stainless steel spring protection tube 12 and a second flexible stainless steel spring protection tube.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example (b):
the intelligent anti-shearing key ring based on the RFID comprises a key ring shell 1, wherein a radio frequency circuit board 3 is arranged in the key ring shell 1, a rear cover plate 2 is arranged at the bottom of the circuit board, the rear cover plate 2 and the key ring shell 1 are fixedly installed, and the radio frequency circuit board 3 transmits wireless signals; the key ring casing one side still is equipped with flexible knot rope 4 and catching groove 6, 4 one end of flexible knot rope and key ring casing fixed connection, the 4 other ends of flexible knot rope are equipped with disposable discount 5, catching groove 6 with disposable discount 5 phase-match, the inside electrically conductive route that is equipped with of flexible knot rope 4, electrically conductive route and 3 go up circuit connection on the radio frequency circuit board form closed loop route.
The radio frequency circuit board 3 comprises a radio frequency chip 7 and an LC resonance circuit, the radio frequency chip 7 is a non-contact logic encryption chip, the LC resonance circuit comprises a resonance capacitor C1 and an antenna L1 which is connected with the capacitor C1 in parallel, the antenna L1 is in a spiral shape, and the antenna L1 is arranged by stamping or printing etching on a dielectric plate. The LC resonance circuit oscillates on a specific frequency and can be coupled to energy from a reader-writer, when the LC resonance circuit, the conductive path comprises a first conductive path 8 and a second conductive path 9, one end of the LC resonance circuit is connected to a first input pin of the radio frequency chip 7 through the first conductive path 8, the other end of the LC resonance circuit is connected to a second input pin of the radio frequency chip 7 through the second conductive path 9, and the first conductive path 8 and the second conductive path 9 both extend into the disposable buckle head 5 through the inside of the flexible buckle rope 4 in the key ring shell 1. The flexible buckle rope 4 comprises a first flexible stainless steel spring protection pipe 11 and a second flexible stainless steel spring protection pipe 12 which are sequentially wrapped on the outer side of a conductive path, and the conductive path adopts a stainless steel rubber-coated lead wire 10. The stainless steel rubber covered wire 10 is a 7-braided 304 stainless steel rubber covered wire 10, a 6-core 3-group wire harness is formed, and the first flexible stainless steel spring protection pipe 11 and the second flexible stainless steel spring protection pipe 12 are both 304 stainless steel spring pipes. The stainless steel spring tube has certain elasticity, and can reduce the rubber coating wire and receive the condition appearance that damages because of buckling.
During the use, will once only detain the head 5 and drive flexible knot rope 4 and pass the key during the use, then form the annular in inserting catching groove 6 with once only detaining the head 5, realize detaining flexible knot rope 4 once only fixing on the key, prevent that the key ring from being opened and recovering again after taking off the key, prevent losing the nature height. The LC resonance circuit oscillates at a specific frequency and can be coupled to energy from the reader-writer, and when the LC resonance circuit is coupled to the reader-writer and has enough magnetic flux, the LC resonance circuit can provide electric energy for the radio frequency IC to transfer information between the reader-writer and the radio frequency IC. The key is uniquely bound with the radio frequency chip 7, when the flexible buckle rope 4 is damaged or sheared, the LC resonance circuit is damaged, so that the radio frequency chip 7 cannot be read by a card reader, and the condition that the key chain is returned independently is avoided.
The embodiment also discloses a control method of the intelligent anti-shearing key ring based on the RFID, which comprises a control device, wherein the control device is used for controlling and reading key ring information and comprises the following steps: initializing a binding process: establishing a corresponding relation between the key ring and the key, and inputting key information into the key ring through non-contact logic encryption transmission; the key information includes: people are taken, returned and used for a long time. The key receiving, returning and storing are effectively supervised. When the control equipment continuously reads the key ring information for more than two times and cannot read the key ring internal information, the control equipment sends out first alarm information; when the key is used for a certain time, the control equipment sends out a second alarm signal. Different alarm signals are adopted to distinguish the condition that the key ring is damaged and the key use time is cut off.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms RFID, flexible lanyard, grove, LC resonant circuit, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (8)

1. An intelligent anti-shear key ring based on RFID is characterized by comprising a key ring shell, wherein a radio frequency circuit board is arranged in the key ring shell and transmits wireless signals; the key ring is characterized in that one side of the key ring shell is also provided with a flexible buckle rope and a buckle groove, one end of the flexible buckle rope is fixedly connected with the key ring shell, the other end of the flexible buckle rope is provided with a disposable buckle head, the buckle groove is matched with the disposable buckle head, a conductive path is arranged inside the flexible buckle rope, and the conductive path and a circuit on the radio frequency circuit board form a closed loop path.
2. The RFID-based intelligent anti-shearing key chain as claimed in claim 1, wherein the radio frequency circuit board comprises a radio frequency chip and an LC resonance circuit, the conductive paths comprise a first conductive path and a second conductive path, one end of the LC resonance circuit is connected to a first input pin of the radio frequency chip through the first conductive path, the other end of the LC resonance circuit is connected to a second input pin of the radio frequency chip through the second conductive path, and the first conductive path and the second conductive path extend into the disposable buckle head from the inside of the key chain shell through the inside of a flexible buckle rope.
3. The RFID-based smart cut-resistant key fob of claim 2, wherein the LC resonant circuit includes a resonant capacitor C1 and an antenna L1 in parallel with the capacitor C1.
4. The RFID-based intelligent anti-shear key ring as claimed in claim 3, wherein the antenna L1 is spiral, and the antenna L1 is provided by stamping or printing etching on a dielectric plate.
5. The RFID-based intelligent anti-shear key ring according to claim 1 or 4, wherein the flexible buckle rope comprises a first flexible stainless steel spring protection pipe and a second flexible stainless steel spring protection pipe which are sequentially wrapped outside the conductive path, and the conductive path is made of stainless steel rubber covered wires.
6. A control method of an RFID-based intelligent anti-shear key ring, comprising a control device for controlling and reading key ring information, and being applied to the RFID-based intelligent anti-shear key ring according to any one of claims 1-5, comprising:
initializing a binding process: and establishing a corresponding relation between the key ring and the key, and inputting the key information into the key ring through non-contact logic encryption transmission.
7. The method for controlling the RFID-based smart cut-resistant key ring according to claim 6, wherein the key information comprises: people are taken, returned and used for a long time.
8. The intelligent anti-shearing key ring control method based on the RFID as claimed in claim 7, wherein when the control device continuously reads the key ring information more than twice and cannot read the key ring internal information, the control device sends out first alarm information; when the key is used for a certain time, the control equipment sends out a second alarm signal.
CN202210832596.6A 2022-07-14 2022-07-14 Intelligent anti-shear key ring based on RFID and control method thereof Pending CN115336842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210832596.6A CN115336842A (en) 2022-07-14 2022-07-14 Intelligent anti-shear key ring based on RFID and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210832596.6A CN115336842A (en) 2022-07-14 2022-07-14 Intelligent anti-shear key ring based on RFID and control method thereof

Publications (1)

Publication Number Publication Date
CN115336842A true CN115336842A (en) 2022-11-15

Family

ID=83947415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210832596.6A Pending CN115336842A (en) 2022-07-14 2022-07-14 Intelligent anti-shear key ring based on RFID and control method thereof

Country Status (1)

Country Link
CN (1) CN115336842A (en)

Similar Documents

Publication Publication Date Title
CN101313341B (en) A means to deactivate a contactless device
US9767331B2 (en) Methods and apparatus for preserving privacy in an RFID system
US7536155B2 (en) Wireless communication device interconnectivity
US10033437B1 (en) Mobile phone wallet
CN101512563B (en) By at least one circuit by electric energy from the method for the first circuit supply second circuit
US7701340B2 (en) Method and device for the detection and identification of objects, secure containers and systems which are provided with said device, and objects adapted for same
US10032102B2 (en) Excess radio-frequency (RF) power storage in RF identification (RFID) tags, and related systems and methods
US8676163B2 (en) Contactless communication with authorization by human contact and visual indicator
WO2000034605A1 (en) A radio frequency identification (rfid) security device
US7240848B1 (en) Three port RF interface chip
CN102236817A (en) RFID (Radio Frequency Identification) managing system for jailhouses
CA3103189C (en) Wearable device, system including one or more rfid tags and a wearable device, and wristband
CN115336842A (en) Intelligent anti-shear key ring based on RFID and control method thereof
US9594934B2 (en) RFID remote antenna security system
CN104050501B (en) A kind of passive three frequencies multi-interface smart card and its self adaptation method of work
CN206322210U (en) A kind of Anti-theft card being lost based on passive energy
JP4414093B2 (en) Communication method between contactless data carrier and terminal
CN212112662U (en) Cash register liner, liner opening equipment and cash register system
CN216211082U (en) Electronic tag for awakening external equipment
CN2748596Y (en) Independent gate inhibition controller
CN201111063Y (en) Wireless card reader
EP1688871A2 (en) Wireless communication device interconnectivity
RU97119578A (en) METHOD FOR EXCHANGE OF ENERGY AND DATA BETWEEN WRITTEN / READING TERMINAL AND CARD WITH INTEGRATED MICROCircuit, WITH NON-CONTACT OUTPUTS AND / OR WITH CONTACT OUTPUTS, IT IS ALSO FOR THESE
JPH10334200A (en) Storage container for noncontact data carrier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination