CN106522676A - Magnetic coding unlocking method based on RFID (radio frequency identification devices) - Google Patents
Magnetic coding unlocking method based on RFID (radio frequency identification devices) Download PDFInfo
- Publication number
- CN106522676A CN106522676A CN201610927547.5A CN201610927547A CN106522676A CN 106522676 A CN106522676 A CN 106522676A CN 201610927547 A CN201610927547 A CN 201610927547A CN 106522676 A CN106522676 A CN 106522676A
- Authority
- CN
- China
- Prior art keywords
- rfid
- magnetic
- lock
- key
- unlocking
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0085—Key and electromagnet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to a magnetic coding unlocking method based on RFID (radio frequency identification devices). The magnetic coding unlocking method comprises the steps that S1, a magnetic coding lock comprises a lock body provided with a magnet and an RFID label, an electromagnet, an RFID reading antenna and a key of a control circuit; S2, the key is inserted into the lock body, and the RFID reading antenna reads the RFID label in the lock body and transmits a signal to the control circuit; S3, the control circuit judges whether the RFID label is matched with the key or not, if the RFID label is matched with the key, S4 is carried out, and if the RFID label is not matched with the key, the control circuit does not operate, and unlocking is finished; and S4, the control circuit in the key controls the magnetism of the electromagnet through transmitting magnetic coding information to an excitation array output module, after generating magnetism, the electromagnet moves relative to the magnet in the lock body, and the lock is unlocked. According to the magnetic coding unlocking method, unlocking is achieved through an RFID recognition technology and magnetic movement, an interior structure is not liable to detect and crack, the safety is high, and the utilization is convenient.
Description
Technical field
The present invention relates to magnetism coding key field, particularly a kind of magnetic coding method for unlocking based on RFID.
Background technology
In existing mechanical lock, earliest one side pellet branch narrow range, and there is foozle, it is easy to quilt
People pushes aside；Subsequent occurrences of cross lock, then due to the easy stress of keyhole shape that key is determined, it is easy to which the person of being unlocked is with high-strength
The violence of degree instrument is opened；The method for unlocking of spring lock has iron wire hook, chewing gum, cloth, comb, hits spoon and special lock remover etc.
More than ten kinds of method for unlocking, such lock is easily by pirate of the open.With modern social development, people are wanted to confidentiality and privacy
Seek more and more higher, mechanical cylinder lock its major defect is that security performance is not high enough, is easily cracked according to internal structure, in addition key
Key bit is easy to wear or fractures inside, puts to no little inconvenience to normal use.Therefore, electronic password lock gradually popularizes use, leads to
Unlocked frequently with password, security performance is low.
The content of the invention
In view of this, the purpose of the present invention is to propose to a kind of magnetic coding method for unlocking based on RFID, the lockset knot of employing
Structure is simple, realizes unlocking by RFID technology of identification and magnetic force, and internal structure is difficult to be detected and cracks, safe, makes
With conveniently.
The present invention is realized using below scheme：A kind of magnetic coding method for unlocking based on RFID, comprises the following steps：
Step S1:A magnetic coding lockset based on RFID is provided, the magnetic coding lockset includes that one is provided with Magnet with RFID marks
The lock body of label and one is provided with to control the electric magnet of the magnet movement, reads to the RFID for reading the RFID tag
The key of antenna and control circuit；
Step S2：The key is inserted in the lock body, if the RFID reading antennas read the RFID marks in the lock body
Sign and transmit a signal to the control circuit；
Step S3：The control circuit judges that the RFID tag is matched with the key, if so, then enters step S4, if it is not, then
The control circuit does not work, and terminates to unlock；
Step S4：Control circuit in the key controls institute by a magnetic coding information is transmitted to excitation array output module
The magnetic of electric magnet is stated, the electric magnet produces relative motion with the Magnet in the lock body after generating magnetic, unlocked.
Further, in step S1, the lock body includes lock housing and lock core, and lock core is rotatably assorted with lock housing, described
Several magnetic piece are provided with lock core；Control circuit in the key includes central control module and coupled excitation
Array output module, RFID module, clock module, battery module, bluetooth module;The RFID module is connected to RFID and reads day
Line；The magnet spool is electrical connected with the excitation array output module.
Further, the central control module is single-chip microcomputer.
Further, the lock body is furnished with multiple grooves positioned at lock core outer peripheral portion, be distributed with the inside of lock housing with it is recessed
The one-to-one slotted eye of groove, it is fluted in first magnetic piece of the height less than groove height is provided with least one groove,
There is in the slotted eye the first limited block for inwardly heading on the first magnetic piece and limiting lock core rotation；Have on the locking bar of the key
With the one-to-one electric magnet of groove, in step s 4, when the electric magnet is unlocked according to magnetic coding information, the
One magnetic piece inwardly one end and corresponding electric magnet outwardly one end be same pole with by the first magnetic piece of magnetic force moving it is outside
Motion makes the first limited block exit groove, releases restriction of first limited block to the lock core, is unlocked.
Further, it is fluted in addition to the groove of the first magnetic piece is provided with, be provided with remaining groove height and groove
The second magnetic piece of height identical, in step s 4, the second magnetic piece inwardly one end and corresponding electric magnet outwardly one end be phase
There is in anti-magnetic pole, the slotted eye the second limited block for inwardly heading on the second magnetic piece；First limited block and the second limited block
Spacing is left between slotted eye bottom, and the distance between the first limited block and the slotted eye bottom corresponding to which are spacing with first
Block is poor with groove height identical, then the lateral surface of second magnetic piece is concordant with the outer peripheral face of the lock core, and described second is spacing
Block does not limit the lock core and rotates.
Further, having in the slotted eye promotes the first limited block and the second limited block to head on the first magnetic piece and the second magnetic
The spring of block.
Further, the locking lever sleeve positioned at electric magnet periphery is arranged with the locking bar of the key, positioned at the rear end of locking bar
With housing, the circuit board for battery being provided with housing and being connected with the coil on electric magnet；Also set up on the locking bar
There is a projection, the draw-in groove being engaged with projection is provided with the keyhole of the lock core so that band movable lock core turns when locking bar is rotated
It is dynamic.
Further, there is the RFID tag positioned at lock core front end, with RFID on the locking bar in the lock housing
Put corresponding section and be provided with RFID reading antennas.
Further, the RFID tag is passive RFID tags.
Further, circumferentially offer stopper slot on the inside of lock housing, the lock core peripheral part is with being engaged with stopper slot
Spacing block set limiting lock core rotational angle.
Compared with prior art, the present invention has following beneficial effect：1st, the magnetic based on RFID for adopting in the present invention is encoded
Lock structure is simple, realizes unlocking by magnetic force, and internal structure is difficult to be detected and cracks, safe, easy to use；2nd, this
The magnetic coding method for unlocking based on RFID of bright employing, key carry out authentication by RFID first with lock body, then by magnetic
Coding information is unlocked, and greatly improves the safety of lockset；3rd, the RFID tag adopted in lock body is for passive RFID tags,
Without the need for being powered using battery, being capable of automatic power when key is read out identification to which so that the circuit structure and machine of lock body
Tool structure design is more succinct；4th, cooperating using Magnet and electric magnet, is unlocked by changing magnetic coding information, real
A kind of new method for unlocking, method simple and fast are showed.
Description of the drawings
Lock body axonometric charts of the Fig. 1 for the embodiment of the present invention.
Lock body explosive views of the Fig. 2 for the embodiment of the present invention.
Fig. 3 is the lock body end view in the embodiment of the present invention.
Fig. 4 is key profile in the embodiment of the present invention.
Fig. 5 is A-A profiles in Fig. 3.
Fig. 6 is B-B profiles in Fig. 3.
Fig. 7 is the key controller circuit diagram in the embodiment of the present invention.
Fig. 8 is the method for unlocking schematic flow sheet of the present invention.
[primary clustering symbol description]
In figure：1- lock bodies, 2- keys, 3- lock housings, 4- lock cores, 5- grooves, 6- slotted eyes, the first magnetic piece of 7-, the first limited blocks of 8-, 9-
Locking bar, 10- electric magnet, the second magnetic piece of 11-, the second limited blocks of 12-, 13- springs, 14- locking lever sleeves, 15- housings, 16- batteries,
17- circuit boards, 18- projections, 19- draw-in grooves, 20-RFID labels, 21-RFID reading antennas, 22- stopper slots, 23- spacing block sets,
24- outer shells, 25- bodies.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in Figures 1 to 8, a kind of magnetic coding method for unlocking based on RFID, including following step are present embodiments provided
Suddenly：
Step S1:A magnetic coding lockset based on RFID is provided, the magnetic coding lockset includes that one is provided with Magnet with RFID marks
The lock body of label and one is provided with to control the electric magnet of the magnet movement, reads to the RFID for reading the RFID tag
The key of antenna and control circuit；
Step S2：The key is inserted in the lock body, if the RFID reading antennas read the RFID marks in the lock body
Sign and transmit a signal to the control circuit；
Step S3：The control circuit judges that the RFID tag is matched with the key, if so, then enters step S4, if it is not, then
The control circuit does not work, and terminates to unlock；
Step S4：Control circuit in the key controls institute by a magnetic coding information is transmitted to excitation array output module
The magnetic of electric magnet is stated, the electric magnet produces relative motion with the Magnet in the lock body after generating magnetic, unlocked.
Further, in step S1, including lock body and key, the lock body includes lock housing 1 and lock core 2, lock core 2 with
Lock housing 1 is rotatably assorted, and several magnetic piece are provided with the lock core 2；The control circuit include central control module and with
Its connected excitation array output module, RFID module, clock module, battery module, bluetooth module;The RFID module connection
To RFID reading antennas；The magnet spool is electrical connected with the excitation array output module.
In the present embodiment, the central control module includes single-chip microcomputer, wherein the central control module passes through excitation
Array output module controls the magnetic of electric magnet, and then controls unlocking and the released state of lock body.
In the present embodiment, the lock body is furnished with multiple grooves 5 positioned at lock core outer peripheral portion, is distributed with the inside of lock housing
With the one-to-one slotted eye 4 of groove, height is provided with fluted 5 at least one groove less than the first of groove height
Magnetic piece 7, has the first limited block 8 for inwardly heading on the first magnetic piece 7 and limiting lock core rotation in the slotted eye 6；The key
On locking bar 9 with the 5 one-to-one electric magnet 10 of groove, in step s 4, when the electric magnet according to magnetic coding believe
Breath is when being unlocked, the first magnetic piece 7 inwardly one end and corresponding electric magnet one end is same pole with by magnetic force outwardly
Promote motion outside the first magnetic piece phase to make the first limited block exit groove, to release restriction of first limited block 8 to lock core 4, carry out
Unlock.Simultaneously as groove type is arranged on the peripheral part of lock core, thus be difficult it is detected crack, this is protected again for first.
In the present embodiment, it is fluted in addition to the groove of the first magnetic piece 7 is provided with, be provided with remaining groove height with
The second magnetic piece of groove height identical 11, in step s 4, the second magnetic piece 11 one end and corresponding 10 court of electric magnet inwardly
Outer one end is have the second limited block 12 for inwardly heading on the second magnetic piece 11 in opposite magnetic pole, the slotted eye；Described first is spacing
Spacing, and the first limited block 8 and 6 bottom of slotted eye corresponding to which are left between 6 bottom of block 8 and the second limited block 12 and slotted eye
The distance between it is identical with the first limited block 8 and 5 difference in height of groove.Due to the second magnetic piece 11 it is contour with groove, then initial
Under state, the lateral surface of the second magnetic piece 11 is concordant with the outer peripheral face of lock core, i.e., original state when, the second limited block does not limit lock core
Rotate, therefore the electric magnet corresponding to the second magnetic piece and the second magnetic piece opposite side must be opposite magnetic poles, to the second magnetic piece 11
Producing suction remains stationary as the second limited block and the second magnetic piece, if encountering the electromagnet of same pole, then can the second Magnet
Outside thrust is produced, lock core rotation in making the second magnetic piece snapping into position in slots, is equally limited, therefore the second magnetic piece and second spacing
Block forms second and protects again.
In the present embodiment, by the combination of the first magnetic piece and the second magnetic piece, multiple combination form is formed, and then is formed not
With the lockset of coding, control circuit can adopt different magnetic coding information control locksets to be unlocked.
In the present embodiment, there is the RFID tag 20 positioned at lock core front end, with RFID on the locking bar in the lock housing
20 position corresponding section of label is provided with RFID reading antennas 21, and RFID reading antennas 21 are sensing the RFID marks that match with which
Sign 20 ability control boards to power for electric magnet, this forms triple protection.
In the present embodiment, the RFID tag is passive RFID tags.
In the present embodiment, having in the slotted eye 6 promotes the first limited block 8 and the second limited block 12 to head on first respectively
The spring 13 of magnetic piece and the second magnetic piece.
In the present embodiment, the lock housing is made up of outer shell 24 and the body 25 being placed in outer shell, 24 He of outer shell
Body 25 is fixed together, and during lock core 4 is set in body and rotates cooperation；The slotted eye 4 is arranged on body.
In the present embodiment, the locking lever sleeve 14 positioned at electric magnet periphery is arranged with the locking bar 9 of the key, positioned at locking bar
9 rear end has housing 15, the circuit board 17 for battery 16 being provided with housing and being connected with the coil on electric magnet；It is described
A projection 18 is additionally provided with locking bar, the draw-in groove 19 being engaged with projection is provided with the keyhole of the lock core so that locking bar 9
During rotation, band movable lock core is rotated.
In the present embodiment, stopper slot 22 is circumferentially offered on the inside of lock housing, the lock core peripheral part has and stopper slot
The spacing block set 23 being engaged is limiting lock core rotational angle.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of magnetic based on RFID encodes method for unlocking, it is characterised in that：Comprise the following steps：
Step S1:A magnetic coding lockset based on RFID is provided, the magnetic coding lockset includes that one is provided with Magnet with RFID marks
The lock body of label and one is provided with to control the electric magnet of the magnet movement, reads to the RFID for reading the RFID tag
The key of antenna and control circuit；
Step S2：The key is inserted in the lock body, if the RFID reading antennas read the RFID marks in the lock body
Sign and transmit a signal to the control circuit；
Step S3：The control circuit judges that the RFID tag is matched with the key, if so, then enters step S4, if it is not, then
The control circuit does not work, and terminates to unlock；
Step S4：Control circuit in the key controls institute by a magnetic coding information is transmitted to excitation array output module
The magnetic of electric magnet is stated, the electric magnet produces relative motion with the Magnet in the lock body after generating magnetic, unlocked.
2. a kind of magnetic based on RFID according to claim 1 encodes method for unlocking, it is characterised in that：Step S1
In, the lock body includes lock housing and lock core, and lock core is rotatably assorted with lock housing, and several magnetic piece are provided with the lock core；It is described
Control circuit in key includes central control module and coupled excitation array output module, RIFD modules, clock
Module, battery module, bluetooth module;The RFID module is connected to RFID reading antennas；The magnet spool with it is described
Excitation array output module is electrical connected.
3. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：Central authorities' control
Module is single-chip microcomputer.
4. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：The lock body is located at
Lock core outer peripheral portion is furnished with multiple grooves, is distributed with and the one-to-one slotted eye of groove on the inside of lock housing, during institute is fluted extremely
First magnetic piece of the height less than groove height is provided with a rare groove, is had in the slotted eye and is inwardly headed on the first magnetic piece
And limit the first limited block of lock core rotation；On the locking bar of the key with the one-to-one electric magnet of groove,
In step S4, when the electric magnet is unlocked according to magnetic coding information, the first magnetic piece one end and corresponding electricity inwardly
One end makes first limited block to exit groove to move out by the first magnetic piece of magnetic force moving for same pole to Magnet outwardly, releases
Restriction of first limited block to the lock core, is unlocked.
5. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：Institute is fluted except setting
It is equipped with outside the groove of the first magnetic piece, in remaining groove, is provided with height and the second magnetic piece of groove height identical, in step s 4,
Second magnetic piece inwardly one end and corresponding electric magnet one end is opposite magnetic pole outwardly, have in the slotted eye and inwardly head on the
Second limited block of two magnetic piece；Spacing, and first are left between first limited block and the second limited block and slotted eye bottom
The distance between limited block and the slotted eye bottom corresponding to which are poor with the first limited block and groove height identical, then second magnetic
The lateral surface of block is concordant with the outer peripheral face of the lock core, and second limited block does not limit the lock core and rotates.
6. a kind of magnetic based on RFID according to claim 4 encodes method for unlocking, it is characterised in that：Tool in the slotted eye
There is the spring for promoting the first limited block and the second limited block to head on the first magnetic piece and the second magnetic piece.
7. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：The lock of the key
Be arranged with bar positioned at electric magnet periphery locking lever sleeve, there is housing positioned at the rear end of locking bar, be provided with housing battery and
The circuit board being connected with the coil on electric magnet；A projection is additionally provided with the locking bar, is set in the keyhole of the lock core
The draw-in groove being engaged with projection is equipped with so that band movable lock core is rotated when locking bar is rotated.
8. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：Tool in the lock housing
There is the RFID tag positioned at lock core front end, RFID tag position corresponding section is provided with RFID reading antennas on the locking bar.
9. a kind of magnetic based on RFID according to claim 2 encodes method for unlocking, it is characterised in that：The RFID tag
For passive RFID tags.
10. according to a kind of magnetic coding method for unlocking based on RFID described in claim 2, it is characterised in that：Along week on the inside of lock housing
To offering stopper slot, the lock core peripheral part is with the spacing block set being engaged with stopper slot limiting lock core rotational angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927547.5A CN106522676A (en) | 2016-10-31 | 2016-10-31 | Magnetic coding unlocking method based on RFID (radio frequency identification devices) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927547.5A CN106522676A (en) | 2016-10-31 | 2016-10-31 | Magnetic coding unlocking method based on RFID (radio frequency identification devices) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522676A true CN106522676A (en) | 2017-03-22 |
Family
ID=58293188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610927547.5A Pending CN106522676A (en) | 2016-10-31 | 2016-10-31 | Magnetic coding unlocking method based on RFID (radio frequency identification devices) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522676A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685471Y (en) * | 2004-02-19 | 2005-03-16 | 吴新强 | Antitheft magnetic lock barrel |
| CN201972462U (en) * | 2010-12-02 | 2011-09-14 | 韩军 | Magnetic lock and opening key thereof |
| CN202081725U (en) * | 2011-05-16 | 2011-12-21 | 王帅伟 | Magnetic lockset |
| WO2012146882A1 (en) * | 2011-04-28 | 2012-11-01 | Sar Technologies International | Closure element for a storage area, locking method and system, and storage box |
| CN103321490A (en) * | 2013-04-28 | 2013-09-25 | 通鼎集团有限公司 | Anti-theft system of non-contact passive electronic lock for distributed equipment |
| CN203397413U (en) * | 2013-08-27 | 2014-01-15 | 常州市科能电器有限公司 | Intelligent key and code lock |
-
2016
- 2016-10-31 CN CN201610927547.5A patent/CN106522676A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685471Y (en) * | 2004-02-19 | 2005-03-16 | 吴新强 | Antitheft magnetic lock barrel |
| CN201972462U (en) * | 2010-12-02 | 2011-09-14 | 韩军 | Magnetic lock and opening key thereof |
| WO2012146882A1 (en) * | 2011-04-28 | 2012-11-01 | Sar Technologies International | Closure element for a storage area, locking method and system, and storage box |
| CN202081725U (en) * | 2011-05-16 | 2011-12-21 | 王帅伟 | Magnetic lockset |
| CN103321490A (en) * | 2013-04-28 | 2013-09-25 | 通鼎集团有限公司 | Anti-theft system of non-contact passive electronic lock for distributed equipment |
| CN203397413U (en) * | 2013-08-27 | 2014-01-15 | 常州市科能电器有限公司 | Intelligent key and code lock |
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Application publication date: 20170322 |