CN107060510B - Electric control structure of magnetic coding electronic key unlocking and locking device and working method - Google Patents

Electric control structure of magnetic coding electronic key unlocking and locking device and working method Download PDF

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Publication number
CN107060510B
CN107060510B CN201710055346.5A CN201710055346A CN107060510B CN 107060510 B CN107060510 B CN 107060510B CN 201710055346 A CN201710055346 A CN 201710055346A CN 107060510 B CN107060510 B CN 107060510B
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magnetic
permanent magnet
electromagnetic coil
unlocking
state
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CN107060510A (en
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栗新
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Zhuhai Juli Security Equipment Co ltd
Zhuhai Lixiang Technology Co ltd
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Zhuhai Juli Security Equipment Co ltd
Zhuhai Lixiang Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets

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  • Lock And Its Accessories (AREA)

Abstract

The invention discloses and provides an electric control structure of a magnetic coding electronic key unlocking and locking device and a working method. The unlocking shaft comprises an unlocking shaft shell, wherein a magnetic conductive movable core is arranged in the rear section of the unlocking shaft shell in a sliding mode, a positioning mechanism matched with a state conversion permanent magnet is arranged at the front end of the magnetic conductive movable core, the state conversion permanent magnet is spherical, positioning grooves matched with the positioning mechanism are formed in the N pole and the S pole of the state conversion permanent magnet, an electromagnetic coil matched with the magnetic conductive movable core is arranged on the periphery of the unlocking shaft shell, a magnetic conductive stator is arranged on the periphery of the electromagnetic coil, and a reset mechanism is arranged between the bottom of the magnetic conductive stator and the magnetic conductive movable core. The invention is applied to the technical field of magnetic coding electronic keys.

Description

Electric control structure of magnetic coding electronic key unlocking and locking device and working method
Technical Field
The invention relates to an electric control structure of a magnetic coding electronic key unlocking and locking device and a working method.
Background
In industrial fields such as: the equipment door and the manual operating mechanism are locked by the lock and the lock is operated by a key in the industries of electric power, petrifaction, traffic, metallurgy, coal and the like, so that the equipment management method is generally adopted, and the equipment management method is an indispensable safety measure for preventing accident risks. At present, locks mainly use ordinary locks that are easily bought on the market, and this type of locks mainly uses "marble-spring" or "blade" structure lock core many, has great defect to industrial application time, mainly embodies in the reliability aspect: a. because the rain-proof structure is imperfect, the lock core part is easy to rust, and the phenomenon is more obvious particularly in marine climate, acid rain climate or environment which can generate electrochemical reaction; b. because the unlocking hole does not adopt a dustproof structure, dust can easily enter the lock cylinder through the unlocking hole under a strong dust environment, and the lock cannot be unlocked.
In view of the above problem, attempts have been made to develop a new lock structure to solve the above problems, such as the invention patent with application number ZL201410107543.3 (shown in fig. 1) and name "a magnetically encoded free tumbler lock cylinder structure" previously filed by the present applicant, and the invention patent with application number ZL201410218163.7 (shown in fig. 2) and name "a magnetically encoded key magnetic unlocking device and magnetic unlocking structure".
The magnetic coding free marble type lock core structure comprises a lock core shell, a lock button, a lock core front end cover and a lock core rear end cover, wherein the lock button is rotatably arranged in an inner cavity of the lock core shell, the lock core front end cover and the lock core rear end cover are respectively positioned at two ends of the lock core shell, at least one marble longitudinal moving groove and at least one marble transverse rotating groove are formed in the inner wall of the lock core shell, an unlocking hole of a magnetic coding key is formed in one end, corresponding to the lock core front end cover, of the lock button along the axis, a plurality of marble longitudinal sliding grooves are formed in the outer wall of the lock button, free marbles are arranged in at least one of the marble longitudinal sliding grooves, the free marbles are large marbles/small marbles, and the marble longitudinal sliding grooves and the marble longitudinal moving grooves are correspondingly formed into a marble moving cavity.
Magnetism unlocking means and magnetism unlocking structure of magnetism coding key include key shell, its characterized in that: the magnetic unlocking device further comprises at least one group of magnetic combination units and a filling body, wherein the magnetic combination units are located in the key shell and comprise a plurality of bipolar permanent magnets and magnet yokes, the surface magnetic fluxes of the bipolar permanent magnets sequentially increase or decrease in sequence along the arrangement direction, the polarities of the two adjacent bipolar permanent magnets on the same side are opposite, the magnet yokes are used as a plurality of magnetic conduction paths of the bipolar permanent magnets facing the magnetic poles of the axis, and a main magnetic path passes through the magnetic conduction paths, and the magnetic combination units generate magnetic field distribution from weak to strong or from strong to weak along the arrangement direction of the magnets on the external main magnetic path.
When the lock is unlocked, the magnetic unlocking device of the magnetic coding key is matched with the magnetic coding lock cylinder after being inserted into the magnetic coding lock cylinder, the magnetic combination unit corresponds to each free marble moving cavity in position, the main magnetic field of the magnetic combination unit is distributed outwards in an oriented mode, the direction of the main magnetic field of the magnetic combination unit is opposite to the direction of the free marble moving cavity, the arrangement direction of the magnetic field in the magnetic combination unit is the same as the moving direction of the free marbles in the free marble moving cavity, and the magnetic combination unit can attract one or more free marbles located on the weak magnetic field side of the magnetic combination unit to the position, which is the strongest in magnetic field and the shortest in magnetic path, of the magnetic combination unit.
The magnetic coding lock core lockset and the magnetic coding key designed by the patent have the advantages of good safety, high reliability, simple and convenient digital management, simple structure and manufacturing process, low production cost and the like, and have the conditions for use in the industrial field.
The existing magnetic coding key can only open the lock core lockset with the same tooth, can not control the unlocking or locking, and can not realize intelligent control.
Therefore, an electric control structure and a working method of the magnetic coding electronic key unlocking device are provided to solve the problem.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the electric control structure and the working method of the magnetic coding electronic key unlocking and locking device, which have the advantages of good safety, high reliability, simple structure and manufacturing process and low production cost.
The technical scheme adopted by the invention is as follows: the unlocking shaft comprises an unlocking shaft shell, wherein a magnetic conductive movable core is arranged in the rear section of the unlocking shaft shell in a sliding mode, a positioning mechanism matched with a state conversion permanent magnet is arranged at the front end of the magnetic conductive movable core, the state conversion permanent magnet is spherical, positioning grooves matched with the positioning mechanism are formed in the N pole and the S pole of the state conversion permanent magnet, an electromagnetic coil matched with the magnetic conductive movable core is arranged on the periphery of the unlocking shaft shell, a magnetic conductive stator is arranged on the periphery of the electromagnetic coil, and a reset mechanism is arranged between the bottom of the magnetic conductive stator and the magnetic conductive movable core.
Furthermore, the outer side of the rear section of the unlocking shaft shell is also provided with a turning-over assisting device.
Further, the electromagnetic coil is a single-winding or multi-winding hollow coil and is used for providing electromagnetic power for the orientation conversion of the state conversion permanent magnet; the electromagnetic coil is located outside the unlocking shaft shell, and the central axis of the magnetic circuit inside the electromagnetic coil is coaxial with the central axis of the unlocking shaft shell.
Furthermore, the magnetic conduction stator is a magnetizer with a fixed position, and the magnetic conduction stator is wrapped outside the electromagnetic coil and provides an external magnetic conduction magnetic circuit with a small magnetic resistance for the electromagnetic coil; the magnetic conduction stator can be a whole, and can also be composed of a group of magnetizer sections.
Furthermore, the magnetic conductive movable core is a position-movable magnetic conductor, and under the action of a magnetic field with a certain intensity, the magnetic conductive movable core can move to a position where the magnetic resistance of the whole magnetic circuit is minimum; the magnetic conductive movable core is positioned in the unlocking shaft shell and on an internal magnetic path of the electromagnetic coil; the axis of the unlocking shaft is approximately coaxial with the central axis of the magnetic circuit in the electromagnetic coil and the central axis of the unlocking shaft shell.
Furthermore, the reset mechanism is an elastic mechanism and is used for resetting the magnetic conductive movable core to a set position by utilizing elasticity when the magnetic field intensity is less than a certain value; the reset mechanism can be a spring, a spring sheet or an elastic assembly consisting of the spring, the spring sheet and other devices.
Further, the positioning mechanism is a locking mechanism for locking the state transition permanent magnet; under the action of magnetic force generated by the electromagnetic coil, the positioning mechanism is separated from the state conversion permanent magnet for unlocking, and when the orientation of the state conversion permanent magnet is changed and the magnetic force of the electromagnetic coil disappears, the positioning mechanism locks the orientation of the state conversion permanent magnet by using the elastic force of the reset mechanism; the positioning mechanism is positioned between the state conversion permanent magnet and the magnetic conductive movable core and is rigidly connected with the magnetic conductive movable core; the positioning mechanism can be a convex-concave wedge-shaped locking structure or a gripping locking structure.
Furthermore, the turning-over assistor is a magnetizer with a relatively fixed position and is used for assisting the state conversion permanent magnet to turn over; the turning-over aid is positioned in the front of the magnetic-conductive movable core and is not positioned on the central axis of the internal magnetic circuit.
The unlocking device is required to be switched from a locking state to an unlocking state by the electric control structure, and the working method of the electric control structure comprises the following steps:
a. according to the polarity of the state switching permanent magnet close to the side of the magnetic conducting magnetic core before state switching, the electromagnetic coil is electrified to generate magnetic force with certain strength, and the state switching permanent magnet is pulled to a turning position;
b. the electromagnetic coil is electrified reversely, at the moment, the polarity of the state conversion permanent magnet facing to the magnetic guide core is the same as the polarity of the magnetic guide core facing to the state conversion permanent magnet, mutual repulsion is generated, and then the locking mechanism is unlocked and the state conversion permanent magnet is unlocked; under the combined action of the electromagnetic coil repulsive force and the turning assisting device, the state conversion permanent magnet is deflected laterally, the other side of the state conversion permanent magnet is attracted to the magnetic conductive movable core, and the turning action of the state conversion permanent magnet is completed;
c. the electromagnetic coil is powered off, the electromagnetic force generated by the electromagnetic coil disappears, and the state conversion permanent magnet, the magnetic conductive movable core and the positioning mechanism are reset to the set position together under the action of the elastic force of the reset mechanism, so that the positioning mechanism finishes the locking of the orientation of the state conversion permanent magnet.
The working method of the unlocking state and the locking state of the unlocking device is the same as that of the locking state and the unlocking state, and only the polarity of the electrification of the electromagnetic coil is opposite.
The invention has the beneficial effects that: compared with the unlocking device designed according to other schemes, the invention has the following advantages:
1. the number of moving parts is small, and the requirements of all parts on the processing precision are not high;
2. the unlocking/locking action is simple, the amplitude is small, and the mechanical loss is small;
3. the moving part is not rigidly connected with the opening/closing stressed part (such as a marble), so the moving part is not basically influenced by the opening/closing force;
4. the moving part is positioned in a closed space, so that the whole sealing is easy to realize, and the influence of environmental factors (such as rainwater, sand and dust and the like) is not easy to influence;
5. when the state is not switched, the orientation of the state switching permanent magnet is locked by the positioning mechanism and is not easily influenced by external magnetic force.
Therefore, the invention has the advantages of high reliability and long service life.
Drawings
FIG. 1 is a schematic diagram of a prior art magnetically encoded lock cylinder;
FIG. 2 is a schematic structural view of a magnetic unlocking device of a prior art magnetically encoded key;
FIG. 3 is a schematic structural view of the present invention in combination with a magnetically controlled structure of a magnetically encoded electronic key unlocking apparatus;
FIG. 4 is a schematic view of a locking state of the magnetic encoding electronic key unlocking means;
FIG. 5 is a schematic view of the magnetically encoded electronic key unlocking device in an unlocked state;
FIG. 6 is a schematic view of a magnetically encoded electronic key unlatching apparatus flipping bit;
fig. 7 is a schematic diagram of the magnetically encoded electronic key unlocking device after the permanent magnet is reversed.
Detailed Description
As shown in fig. 3, in this embodiment, the unlocking shaft includes an unlocking shaft housing 1, a magnetically conductive moving core 2 is slidably disposed in a rear section of the unlocking shaft housing 1, a positioning mechanism 4 adapted to a state conversion permanent magnet 3 is disposed at a front end of the magnetically conductive moving core 2, the state conversion permanent magnet 3 is spherical, positioning slots 5 adapted to the positioning mechanism 4 are disposed on an N pole and an S pole of the state conversion permanent magnet 3, an electromagnetic coil 6 adapted to the magnetically conductive moving core 2 is disposed on a periphery of the unlocking shaft housing 1, a magnetically conductive stator 7 is disposed on a periphery of the electromagnetic coil 6, and a reset mechanism 8 is disposed between a bottom of the magnetically conductive stator 7 and the magnetically conductive moving core 2.
In this embodiment, an overturning aid 9 is further disposed outside the rear section of the unlocking shaft housing 1.
In the present embodiment, the electromagnetic coil 6 is a single-winding or multi-winding air-core coil, and is used for providing electromagnetic power for the orientation conversion of the state conversion permanent magnet 3; the electromagnetic coil 6 is located outside the unlocking shaft shell 1, and the central axis of a magnetic circuit inside the electromagnetic coil 6 is coaxial with the central axis of the unlocking shaft shell 1.
In this embodiment, the magnetic stator 7 is a fixed-position magnetizer, and the magnetic stator 7 is wrapped outside the electromagnetic coil 6 to provide an external magnetic path with a small magnetic resistance for the electromagnetic coil 6; the magnetic stator 7 may be an integral body or may be composed of a group of magnetic conductor segments.
In this embodiment, the magnetically conductive moving core 2 is a position-movable magnetic conductor, and under the action of a magnetic field with a strength greater than a certain value, the magnetically conductive moving core 2 moves to a position where the magnetic resistance of the whole magnetic circuit is minimum; the magnetic conductive movable core 2 is positioned inside the unlocking shaft shell 1 and on an internal magnetic path of the electromagnetic coil 6; the axis of the magnetic circuit is substantially coaxial with the central axis of the magnetic circuit inside the electromagnetic coil 6 and the central axis of the unlocking shaft housing 1.
In this embodiment, the reset mechanism 8 is an elastic mechanism, and is configured to reset the magnetically conductive moving core 2 to a set position by using elasticity when the magnetic field strength is smaller than a certain value; the reset mechanism 8 can be a spring, a spring plate or an elastic assembly composed of the spring, the spring plate and other devices.
In the present embodiment, the positioning mechanism 4 is a locking mechanism for locking the state-switching permanent magnet 3; under the action of magnetic force generated by the electromagnetic coil 6, the positioning mechanism 4 is separated from the state transition permanent magnet 3 for unlocking, and when the orientation of the state transition permanent magnet 3 is changed and the magnetic force of the electromagnetic coil 6 disappears, the positioning mechanism 4 locks the orientation of the state transition permanent magnet 3 by using the elastic force of the reset mechanism 8; the positioning mechanism 4 is positioned between the state conversion permanent magnet 3 and the magnetic conductive movable core 2, and the positioning mechanism 4 is rigidly connected with the magnetic conductive movable core 2; the positioning mechanism 4 can be a convex-concave wedge-shaped locking structure or a gripping locking structure.
In this embodiment, the turning-over assister 9 is a magnetizer with a relatively fixed position, and is used for assisting the turning-over of the state-conversion permanent magnet 3; the turning-over aid 9 is positioned at the front part of the magnetic conductive movable core 2 and is not positioned on the central axis of the internal magnetic circuit.
As shown in fig. 4 and 5, the unlocking device needs to be switched from the locked state to the unlocked state by the electric control structure, and the working method of the electric control structure comprises the following steps:
a. according to the polarity of the state switching permanent magnet close to the side of the magnetic conducting magnetic core before state switching, the electromagnetic coil is electrified to generate magnetic force with certain strength, and the state switching permanent magnet is pulled to a turning position as shown in figure 6;
b. the electromagnetic coil is electrified reversely, at the moment, the polarity of the state conversion permanent magnet facing to the magnetic guide core is the same as the polarity of the magnetic guide core facing to the state conversion permanent magnet, mutual repulsion is generated, and then the locking mechanism is unlocked and the state conversion permanent magnet is unlocked; under the combined action of the electromagnetic coil repulsive force and the turning-over assisting device, the state-conversion permanent magnet is deflected laterally, the other side of the state-conversion permanent magnet is attracted to the magnetic-conductive movable core, and the turning-over action of the state-conversion permanent magnet is completed as shown in fig. 7;
c. the electromagnetic coil is powered off, the electromagnetic force generated by the electromagnetic coil disappears, and the state conversion permanent magnet, the magnetic conductive movable core and the positioning mechanism are reset to the set position together under the action of the elastic force of the reset mechanism, so that the positioning mechanism finishes the locking of the orientation of the state conversion permanent magnet.
The working method of the unlocking state and the locking state of the unlocking device is the same as that of the locking state and the unlocking state, and only the polarity of the electrification of the electromagnetic coil is opposite.
The invention is applied to the technical field of magnetic coding electronic keys.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims (9)

1. An electronic control structure of a magnetic coding electronic key unlocking and locking device is characterized in that: the electronic control structure comprises an unlocking shaft shell (1), a magnetic conductive movable core (2) is arranged in the rear section of the unlocking shaft shell (1) in a sliding mode, a positioning mechanism (4) matched with a state conversion permanent magnet (3) is arranged at the front end of the magnetic conductive movable core (2), the state conversion permanent magnet (3) is spherical, positioning grooves (5) matched with the positioning mechanism (4) are formed in the N pole and the S pole of the state conversion permanent magnet (3), an electromagnetic coil (6) matched with the magnetic conductive movable core (2) is arranged on the periphery of the unlocking shaft shell (1), a magnetic conductive stator (7) is arranged on the periphery of the electromagnetic coil (6), and a reset mechanism (8) is arranged between the bottom of the magnetic conductive stator (7) and the magnetic conductive movable core (2);
the positioning mechanism (4) is a locking mechanism and is used for locking the state conversion permanent magnet (3); under the action of magnetic force generated by the electromagnetic coil (6), the positioning mechanism (4) is separated from the state transition permanent magnet (3) for unlocking, and when the orientation of the state transition permanent magnet (3) is changed and the magnetic force of the electromagnetic coil (6) disappears, the positioning mechanism (4) locks the orientation of the state transition permanent magnet (3) by using the elastic force of the reset mechanism (8); the positioning mechanism (4) is positioned between the state conversion permanent magnet (3) and the magnetic conductive movable core (2), and the positioning mechanism (4) is rigidly connected with the magnetic conductive movable core (2); the positioning mechanism (4) can be a convex-concave wedge-shaped locking structure or a gripping locking structure.
2. The electric control structure of a magnetic coding electronic key unlocking device according to claim 1, characterized in that: and a turnover assisting device (9) is further arranged on the outer side of the rear section of the unlocking shaft shell (1).
3. The electric control structure of a magnetic coding electronic key unlocking device according to claim 1, characterized in that: the electromagnetic coil (6) is a single-winding or multi-winding hollow coil and is used for providing electromagnetic power for the orientation conversion of the state conversion permanent magnet (3); the electromagnetic coil (6) is located outside the unlocking shaft shell (1), and the central axis of a magnetic circuit inside the electromagnetic coil (6) is coaxial with the central axis of the unlocking shaft shell (1).
4. The electric control structure of a magnetic coding electronic key unlocking device according to claim 1, characterized in that: the magnetic conduction stator (7) is a magnetizer with a fixed position, and the magnetic conduction stator (7) wraps the outside of the electromagnetic coil (6) and provides an external magnetic conduction magnetic circuit with a smaller magnetic resistance for the electromagnetic coil (6); the magnetic conduction stator (7) can be an integral body or can be formed by a group of magnetizer sections.
5. The electric control structure of a magnetic coding electronic key unlocking device according to claim 1, characterized in that: the magnetic conductive movable core (2) is a magnetizer with a movable position, and under the action of a magnetic field with a certain intensity, the magnetic conductive movable core (2) can move to a position where the magnetic resistance of the whole magnetic circuit is minimum; the magnetic conductive movable core (2) is positioned inside the unlocking shaft shell (1) and on an internal magnetic path of the electromagnetic coil (6); the axis of the unlocking shaft is approximately coaxial with the central axis of the magnetic circuit in the electromagnetic coil (6) and the central axis of the unlocking shaft shell (1).
6. The electric control structure of a magnetic coding electronic key unlocking device according to claim 1, characterized in that: the reset mechanism (8) is an elastic mechanism and is used for resetting the magnetic conductive movable core (2) to a set position by utilizing elasticity when the magnetic field intensity is less than a certain value; the reset mechanism (8) can be a spring, a spring plate or an elastic assembly consisting of the spring, the spring plate and other devices.
7. The electric control structure of a magnetically encoded electronic key unlocking device according to claim 2, wherein: the turning-over assisting device (9) is a magnetizer with a relatively fixed position and is used for assisting the state switching permanent magnet (3) to turn over; the turning-over assisting device (9) is positioned at the front part of the magnetic conductive movable core (2) and is not positioned on the central axis of the internal magnetic circuit.
8. An operating method of an electric control structure of a magnetic coding electronic key unlocking means according to claim 1, characterized in that: the unlocking device is required to be switched from a locking state to an unlocking state by the electric control structure, and the working method of the electric control structure comprises the following steps:
a. according to the polarity of the state switching permanent magnet close to the side of the magnetic conducting magnetic core before state switching, the electromagnetic coil is electrified to generate magnetic force with certain strength, and the state switching permanent magnet is pulled to a turning position;
b. the electromagnetic coil is electrified reversely, at the moment, the polarity of the state conversion permanent magnet facing to the magnetic guide core is the same as the polarity of the magnetic guide core facing to the state conversion permanent magnet, mutual repulsion is generated, and then the locking mechanism is unlocked and the state conversion permanent magnet is unlocked; under the combined action of the electromagnetic coil repulsive force and the turning-over assisting device, the state conversion permanent magnet is deflected laterally, the other side of the state conversion permanent magnet is attracted to the magnetic conduction moving core, and the turning-over action of the state conversion permanent magnet is completed;
c. the electromagnetic coil is powered off, the electromagnetic force generated by the electromagnetic coil disappears, and the state conversion permanent magnet, the magnetic conductive movable core and the positioning mechanism are reset to the set position together under the action of the elastic force of the reset mechanism, so that the positioning mechanism finishes the locking of the orientation of the state conversion permanent magnet.
9. Method of operating an electric control structure according to claim 8, characterized in that: the working method of the unlocking state and the locking state of the unlocking device is the same as that of the locking state and the unlocking state, and only the polarity of the electrification of the electromagnetic coil is opposite.
CN201710055346.5A 2017-01-25 2017-01-25 Electric control structure of magnetic coding electronic key unlocking and locking device and working method Active CN107060510B (en)

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CN107978041B (en) * 2017-11-24 2024-03-12 浙江创力电子股份有限公司 Electronic key with restarting function
CN113948908B (en) * 2021-10-21 2024-04-26 海固科技(苏州)有限公司 Magnetic locking structure connector

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CN103938931B (en) * 2014-03-22 2016-09-28 栗新 A kind of magnetic encodes free list formula lock core structure
CN104005606B (en) * 2014-05-22 2016-04-27 栗新 The magnetic tripper of magnetism coding key and magnetic unlocking structure
CN206477685U (en) * 2017-01-25 2017-09-08 栗新 A kind of magnetic coded electronic key unblocks the electric control structure of locking device

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