CN114482708A

CN114482708A - Intelligent anti-theft lock with magnetoelectric control device

Info

Publication number: CN114482708A
Application number: CN202210131231.0A
Authority: CN
Inventors: 祝超峰; 王佳; 杨向友
Original assignee: Jiangsu Jinjian Automobile Manufacturing Co ltd
Current assignee: Jiangsu Jinjian Automobile Manufacturing Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-05-13

Abstract

The invention provides an intelligent anti-theft lock with a magnetoelectric control device, and relates to the technical field of electric vehicles. The intelligent anti-theft lock with the magnetoelectric control device comprises a lock head, a disc and a flexible steel cable, wherein one side surface of the disc is provided with an NFC chip, and the other side surface of the disc is provided with an electromagnetic coil; the flexible steel cable is composed of an outer sleeve, a first clamping head, a second clamping head, an alarm head steel wire layer, a positive wire and a negative wire core, wherein the negative wire core is located on the inner side of the circle of the positive wire. Through the inside steel wire layer protection that uses at flexible steel cable just, the negative pole line, when the violence is cut open, just, the negative pole line switch-on, bee calling organ circular telegram can carry out the police dispatch newspaper like this, unblank through the dual function of NFC chip and electromagnetic coil, only the moving speed that detects electromagnetic coil when magnetoelectric sensor is the same with the speed of predetermineeing, the discernment is accomplished with the NFC module to the NFC chip, the stopper just can relieve the braking, the motor just can work, make carriage pulling to magnetic path and hemisphere magnetic head separation, and then accomplish the unblock.

Description

Intelligent anti-theft lock with magnetoelectric control device

Technical Field

The invention relates to the technical field of electric vehicles, in particular to an intelligent anti-theft lock with a magnetoelectric control device.

Background

With the improvement of living standard and environmental awareness of people, electric vehicles become common tools for people to go out daily, and are transportation tools for converting electric energy into mechanical energy by virtue of the function of storage batteries. Usually, an anti-theft lock matched with an electric vehicle is locked after the electric vehicle is parked to prevent loss, a head lock, a motor lock, a liquid-resistant leather shear lock, a battery lock and the like are usually adopted, a mechanical anti-theft mode is basically realized by locking a certain part of the electric vehicle to prevent the electric vehicle from moving, but the electric vehicle is often unlocked violently,

disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an intelligent anti-theft lock with a magnetoelectric control device, which solves the problem that the existing anti-theft lock of an electric vehicle is easy to be violently opened but has no alarm measure.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an intelligent anti-theft lock with a magnetoelectric control device comprises a lock head, a disc and a flexible steel cable, wherein one side surface of the disc is provided with an NFC chip, and the other side surface of the disc is provided with an electromagnetic coil;

the flexible steel cable is composed of an outer sleeve, a first clamping head, a second clamping head, an alarm head steel wire layer, a positive wire and a negative wire core, wherein the negative wire core is positioned on the inner side of a circle of the positive wire, the positive wire is positioned on the inner side of the steel wire layer, the positive wire and the negative wire core are arranged in two groups, the alarm head is fixedly connected between the two groups of steel wire layers, the first clamping head and the second clamping head are respectively and fixedly connected to one ends, far away from the alarm head, of the two groups of steel wire layers, and a buzzer and a button cell are arranged inside the alarm head;

the left side of the lock head is connected with a movable head in a sliding mode, the left side wall of the movable head is provided with an NFC module, the lower side wall of the lock head is provided with a first insertion hole and a second insertion hole, the right side of the lock head is fixedly connected with an installation head, and the middle of the installation head is provided with a magnetoelectric sensor;

a motor is arranged inside the lock head, the output end of the motor is fixedly connected with a gear, the other shaft end of the motor is fixedly connected with a brake, the upper side and the lower side of the gear are respectively engaged with a sliding frame, the upper side surface of the U-shaped part of the sliding frame is provided with a notch, and a magnetic block is arranged inside the notch;

the upper inner wall of the movable head and the lower side wall of the mounting head are both provided with mounting ports, the inside of each mounting port is fixedly connected with a spring, and the other end of each spring is fixedly connected with a hemispherical magnetic head.

Preferably, a switch is arranged on one side of the disc where the NFC chip is located, and the disc and the interior of the disc are provided with micro batteries.

Preferably, the steel wire layer is formed by winding steel wires, and the alarm head is positioned in the middle of the outer sleeve.

Preferably, the positive pole line is connected with the positive pole of the button cell, a thread skin is arranged on the outer side of the positive pole line, and the buzzer is connected between the negative pole wire core and the negative pole of the button cell.

Preferably, one end of the first clamping head and one end of the second clamping head, which are connected with the steel wire layer, are both positioned in the outer sleeve.

Preferably, the second insertion opening is a whole circular hole, the first insertion opening and the opening of the lower side wall of the movable head form a whole circular hole, and the whole circular hole and the opening of the lower side wall of the movable head respectively account for half of the whole circular hole.

Preferably, the inside of tapered end is provided with control module and battery, motor, battery, magnetoelectric sensor, NFC module and stopper all with control module electric connection.

Preferably, the hemispherical head is slidably connected with the mounting opening, and the diameter of the hemispherical head is consistent with that of the notch.

(III) advantageous effects

The invention provides an intelligent anti-theft lock with a magnetoelectric control device. The method has the following beneficial effects:

1. according to the invention, the steel wire layer is used in the flexible steel cable to protect the positive and negative wires, and when the steel cable is sheared violently, the positive and negative wires are connected, so that the buzzer is electrified to alarm, thereby giving an alarm.

2. According to the invention, the unlocking is carried out through the dual functions of the NFC chip and the electromagnetic coil, only when the magnetoelectric sensor detects that the movement speed of the electromagnetic coil is the same as the preset speed, the NFC chip and the NFC module complete recognition, the brake can be released, the motor can work, the sliding frame is pulled until the magnetic block is separated from the hemispherical magnetic head, and then the unlocking is completed.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

figure 3 is a cross-sectional view of a flexible steel cable according to the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an enlarged view at B in FIG. 4;

FIG. 7 is an enlarged view at C of FIG. 4;

fig. 8 is a schematic view of the carriage of the present invention.

Wherein, 1, a lock head; 2. a first chuck; 3. a disc; 4. an NFC chip; 5. a switch; 6. an alert header; 7. a jacket; 8. a second chuck; 9. a magneto-electric sensor; 10. an electromagnetic coil; 11. a movable head; 12. a first insertion port; 13. a second insertion opening; 14. a steel wire layer; 15. a positive line; 16. a negative wire core; 17. an NFC module; 18. a carriage; 19. a brake; 20. a control module; 21. a gear; 22. a motor; 23. a buzzer; 24. a button cell; 25. a magnetic block; 26. a hemispherical magnetic head; 27. a spring; 28. and (5) mounting the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-8, an embodiment of the present invention provides an intelligent anti-theft lock with a magnetoelectric control device, including a lock head 1, a disc 3 and a flexible steel cable, one side surface of the disc 3 is provided with an NFC chip 4, the other side surface is provided with an electromagnetic coil 10, the disc 3 is provided with a switch 5 on the side where the NFC chip 4 is located, the NFC chip 4 and an NFC module 17 are correspondingly identified and used in a matching manner, the disc 3 and the inside are provided with a micro battery, and the micro battery supplies power to the electromagnetic coil 10 after the switch 5 is pressed;

the flexible steel cable is composed of an outer sleeve 7, a first clamping head 2, a second clamping head 8, a steel wire layer 14 of an alarm head 6, a positive wire 15 and a negative wire core 16, the steel wire layer 14 is formed by winding steel wires, the alarm head 6 is positioned in the middle of the outer sleeve 7, the negative wire core 16 is positioned on the inner side of a circle of the positive wire 15, when the negative wire core 16 and the positive wire 15 are cut off by external force, the negative wire core 16 and the positive wire 15 are connected through extrusion contact, the buzzer 23 can be powered by a button cell 24 to generate sound for alarming, the positive wire 15 is positioned on the inner side of the steel wire layer 14, the positive wire 15 can protect the positive wire 15 through the steel wire layer 14, the positive wire 15 and the negative wire core 16 are arranged in two groups, the alarm head 6 is fixedly connected between the two groups of steel wire layers 14, the first clamping head 2 and the second clamping head 8 are respectively and fixedly connected to one ends, far away from the alarm head 6, of the two groups of the steel wire layers 14, one end of the first clamping head 2 and one end of the second clamping head 8, which are connected with the steel wire layer 14, are both positioned in the outer sleeve 7, a buzzer 23 and a button cell 24 are arranged in the alarm head 6, the positive wire 15 is connected with the positive electrode of the button cell 24, a thread skin is arranged on the outer side of the positive wire 15, and the buzzer 23 is connected between the negative wire core 16 and the negative electrode of the button cell 24;

the left side of the lock head 1 is connected with a movable head 11 in a sliding way, the lower side surface of the movable head 11 is provided with an anti-skid groove, the movable head 11 can be conveniently taken out or put into the lock head 1 through the anti-skid groove, the left side wall of the movable head 11 is provided with the NFC module 17, the lower side wall of the lock head 1 is provided with a first insertion hole 12 and a second insertion hole 13 in cooperation with the NFC chip 4, the second insertion hole 13 is a whole round hole for the second chuck 8 to insert, the first insertion hole 12 and the opening of the lower side wall of the movable head 11 form a whole round hole, the two parts account for half of each other and are used for the insertion of the first clamping head 2, the right side of the lock head 1 is fixedly connected with a mounting head 28, the middle part of the mounting head 28 is provided with a magnetoelectric sensor 9, the right side surface of the mounting head 28 and the outer side of the magnetoelectric sensor 9 are provided with an annular groove, the magnetoelectric sensor 9 can obtain the approaching speed of the electromagnetic coil 10 in the process that the electromagnetic coil 10 is clamped into the annular groove;

a motor 22 is arranged inside the lock head 1, the brake 19 is released before the motor 22 is started each time, the brake of the brake 19 is started when the motor 22 stops rotating, then the gear 21 is driven to rotate after the motor 22 is started, the output end of the motor 22 is fixedly connected with the gear 21, the brake 19 is fixedly connected to the other shaft end of the motor 22 and used for braking the motor 22, the sliding frames 18 are respectively meshed to the upper side and the lower side of the gear 21, the sliding frames 18 can be driven to mutually approach or separate under the action of the movement of the gear 21, notches are arranged on the upper side of the U-shaped part of the sliding frame 18, magnetic blocks 25 are arranged inside the notches, and the magnetic blocks 25 and the hemispherical magnetic heads 26 are both strong magnetic;

the upper inner wall of the movable head 11 and the lower side wall of the mounting head 28 are both provided with mounting openings, a spring 27 is fixedly connected inside the mounting openings, the other end of the spring 27 is fixedly connected with a hemispherical magnetic head 26, the hemispherical magnetic head 26 is in sliding connection with the mounting openings, and the diameter of the hemispherical magnetic head 26 is consistent with that of the recess.

The inside of tapered end 1 is provided with control module 20 and battery, and motor 22, battery, magnetoelectric sensor 9, NFC module 17 and stopper 19 all are connected with control module 20 electric property.

The working principle is as follows: after the switch 5 is pressed down, one side of the electromagnetic ring 10 of the disc 3 leans against the magnetoelectric sensor 9 at a constant speed, the magnetoelectric sensor 9 records the approaching speed of the electromagnetic ring 10 in the leaning process, and then the speed is sent to the control module 20 for recording to be used as a re-unlocking verification;

after a second chuck 8 is pushed into a lock head 1 from a second insertion opening 13 and a first chuck 2 is pushed into a first insertion opening 12, a movable head 11 is sleeved in, the lower part of the movable head 11 is matched with the first insertion opening 12, after an NFC chip 4 of a disc 3 is induced at an NFC module 17, a brake 19 is released from braking, a motor 22 drives a gear 21 to enable sliding frames 18 to be far away from each other, one hand is required to abut against the movable head 11 in the process, a hemispherical magnetic head 26 pushed downwards by a spring 27 is clamped into a concave opening along with the movement of the sliding frame 18 and is attracted by a magnetic block 25, at the moment, a U-shaped part of the sliding frame 18 moving towards one side of a mounting head 28 in the lock head 1 clamps the upper end of the second chuck 8 to finish locking, and before a storage battery is powered off, the motor 22 drives the two sliding frames 18 to move to the position where the right sliding frame 18 is matched with the mounting head 28;

when unlocking, the electromagnetic coil 10 which is turned on by pressing the switch is required to be firstly pressed to the magnetoelectric sensor 9 at a preset speed to finish unlocking once, then the NFC chip 4 is pressed to the NFC module 17, so that the NFC module 17 receives a signal and sends the signal to the control module 20, then the control module 20 controls the motor 22 to rotate, the motor 22 drives the sliding frames 18 which are engaged with the gear 21 to approach each other, the suction force of the magnetic block 25 and the hemispherical magnetic head 26 is overcome in the moving process of the sliding frames 18, the hemispherical magnetic head 26 is pushed and pressed by the spring 27 to enter the mounting port, at this time, the second chuck 8 can be pulled out from the second insertion port 13, and after the movable head 11 slides to the outer side of the lock head 1, the first chuck 2 can be taken out from the movable head 11 and the first insertion port 12 to finish unlocking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence pickproof lock with magnetoelectric controlling means which characterized in that: the anti-theft lock comprises a lock head (1), a disc (3) and a flexible steel cable, wherein one side surface of the disc (3) is provided with an NFC chip (4), and the other side surface is provided with an electromagnetic coil (10);

the flexible steel cable is composed of an outer sleeve (7), a first clamping head (2), a second clamping head (8), an alarm head (6), a steel wire layer (14), a positive wire (15) and a negative wire core (16), wherein the negative wire core (16) is positioned on the inner side of a circle of the positive wire (15), the positive wire (15) is positioned on the inner side of the steel wire layer (14), the positive wire (15) and the negative wire core (16) are arranged in two groups, the alarm head (6) is fixedly connected between the two groups of the steel wire layers (14), the first clamping head (2) and the second clamping head (8) are respectively and fixedly connected to one ends, far away from the alarm head (6), of the two groups of the steel wire layers (14), and a buzzer (23) and a button cell (24) are arranged inside the alarm head (6);

the left side of the lock head (1) is connected with a movable head (11) in a sliding mode, the left side wall of the movable head (11) is provided with an NFC module (17), the lower side wall of the lock head (1) is provided with a first insertion hole (12) and a second insertion hole (13), the right side of the lock head (1) is fixedly connected with an installation head (28), and the middle of the installation head (28) is provided with a magnetoelectric sensor (9);

a motor (22) is arranged inside the lock head (1), the output end of the motor (22) is fixedly connected with a gear (21), the other shaft end of the motor (22) is fixedly connected with a brake (19), the upper side and the lower side of the gear (21) are respectively engaged with a sliding frame (18), a notch is arranged on the upper side of the U-shaped part of the sliding frame (18), and a magnetic block (25) is arranged inside the notch;

the upper inner wall of the movable head (11) and the lower side wall of the mounting head (28) are respectively provided with a mounting opening, a spring (27) is fixedly connected inside the mounting opening, and the other end of the spring (27) is fixedly connected with a hemispherical magnetic head (26).

2. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the NFC-type micro battery is characterized in that a switch (5) is arranged on one side of the disc (3) where the NFC chip (4) is located, and micro batteries are arranged inside the disc (3).

3. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the steel wire layer (14) is formed by winding steel wires, and the alarm head (6) is positioned in the middle of the outer sleeve (7).

4. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the positive pole line (15) is connected with the positive pole of the button cell (24), the outer side of the positive pole line (15) is provided with a thread skin, and the buzzer (23) is connected between the negative pole wire core (16) and the negative pole of the button cell (24).

5. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: one end of the first clamping head (2) and one end of the second clamping head (8) connected with the steel wire layer (14) are both positioned in the outer sleeve (7).

6. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the second insertion opening (13) is a whole circular hole, the first insertion opening (12) and the opening of the lower side wall of the movable head (11) form a whole circular hole, and the whole circular hole and the opening respectively account for half.

7. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the inside of tapered end (1) is provided with control module (20) and battery, motor (22), battery, magnetoelectric sensor (9), NFC module (17) and stopper (19) all with control module (20) electric connection.

8. The intelligent anti-theft lock with the magnetoelectric control device according to claim 1 is characterized in that: the hemispherical magnetic head (26) is connected with the mounting opening in a sliding mode, and the diameter of the hemispherical magnetic head (26) is consistent with that of the notch.