Battery-replaceable electromagnetic unlocking self-sounding anti-theft label

Abstract

The utility model discloses a battery-replaceable electromagnetic unlocking self-sounding anti-theft label which comprises a hollow shell with a lock hole, a steel wire rope, a locking device and an alarm unit. The locking device and the alarm unit are both arranged in the hollow shell, the locking device and the alarm unit are arranged at intervals, one end of the steel wire rope is fixedly arranged on the hollow shell to serve as a fixed end, and the other end of the steel wire rope is provided with a metal lock rod to serve as a movable end; the alarm unit comprises a battery module, a buzzer, a PCB and an open circuit sensor, the buzzer is electrically connected with the open circuit sensor, the open circuit sensor is electrically connected with the PCB, the positive electrode end of the battery module is electrically connected with the fixed end of the steel wire rope through a wire, and the negative electrode end of the battery module is electrically connected with the PCB; the metal lock rod is inserted into the lock hole to be connected with the locking device in a locking mode, the battery module and the PCB form a closed loop, when the circuit breaking sensor detects that the steel wire rope is broken, the circuit breaking sensor converts current into an electric signal and transmits the electric signal to the buzzer, and the buzzer gives out an alarm prompt.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety labels, and particularly relates to a replaceable battery electromagnetic unlocking self-sounding anti-theft label. BACKGROUND

[0002] In today's society, the safety management of articles is very important. With the development of economy and the continuous improvement of people's awareness of property protection, various safety protection devices have emerged. Although traditional locks can guarantee the safety of articles to a certain extent, they have problems such as inconvenience of use and single function.

[0003] For example, some ordinary locks cannot send out an alarm in time when the articles are damaged or stolen, which makes the article owner unable to know the abnormal situation in the first time, thereby possibly leading to further expansion of property loss. At the same time, the batteries of many locks are not replaceable, and once the power is consumed, the entire lock needs to be replaced, which is not only high in cost but also not environmentally friendly.

[0004] In the field of commodity anti-theft and equipment management, safety labels are needed to prevent articles from being stolen or moving without authorization. The existing electronic anti-theft labels use magnetic unlocking, and the movable part is vertically attracted by a magnet. The magnetic lock on the market is easy to obtain, and thieves can open the anti-theft label by using a powerful magnet or by violent smashing, while the existing safety labels often have problems such as low reliability, untimely alarm, and complex unlocking method. SUMMARY

[0005] Therefore, the utility model provides a replaceable battery electromagnetic unlocking self-sounding anti-theft label to solve the above problems in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] According to the first aspect of the utility model, a replaceable battery electromagnetic unlocking self-sounding anti-theft label comprises a hollow shell with a lock hole, a steel wire rope, a locking device, and an alarm unit.

[0008] The locking device and the alarm unit are both placed in the hollow shell, and the locking device and the alarm unit are arranged at intervals. One end of the steel wire rope is fixed on the hollow shell as a fixed end, and the other end of the steel wire rope is provided with a metal lock rod as a movable end.

[0009] The alarm unit comprises a battery module, a buzzer, a PCB board, and a circuit breaking sensor. The buzzer and the circuit breaking sensor are electrically connected, the circuit breaking sensor and the PCB board are electrically connected, the positive terminal of the battery module is electrically connected to the fixed end of the steel wire rope through a wire, and the negative terminal of the battery module is electrically connected to the PCB board.

[0010] The metal lock rod is inserted into the lock hole and locked and connected with the locking device, the battery module and the PCB board form a closed loop, when the broken circuit sensor detects the steel wire rope fracture, the broken circuit sensor converts the current into an electrical signal and transmits it to the buzzer, the buzzer gives an alarm prompt.

[0011] Further, the battery module comprises a storage battery, a battery compartment and a battery cover, the battery compartment is used for accommodating the storage battery, the top of the battery compartment is open, the battery compartment and the hollow shell are communicated, the bottom of the battery compartment is provided with a support plate, the support plate is provided with a side wall of the PCB board, two ends of the battery cover are respectively provided with a clamping plate and a plug plate, a plug hole is formed in the plug plate, the plug hole and the lock hole are coaxially arranged, the clamping plate is clamped on one side of the opening, the plug plate is clamped on the other side of the opening, and the metal lock rod is sequentially arranged in the lock hole, the plug hole and the locking device.

[0012] Further, the middle part of the battery cover is provided with a contact spring in the direction of the battery compartment, and the contact spring abuts against the storage battery in the battery compartment.

[0013] Further, the battery module further comprises a start switch, and the start switch is electrically connected with the PCB board.

[0014] Further, the alarm unit further comprises an EAS tag, and the EAS tag is electrically connected with the buzzer.

[0015] Further, the locking device comprises a sliding groove, a first spring, a lock tongue and a pulling assembly, the sliding groove is fixed in the hollow shell, one end of the first spring abuts against the inner wall of the sliding groove, the other end of the first spring abuts against the lock tongue, the lock tongue is slidably arranged in the sliding groove, the pulling assembly is fixedly connected with the lock tongue, a reverse slot is formed in the metal lock rod, and the lock tongue can be clamped in the reverse slot.

[0016] Further, the pulling assembly comprises an unlocking device, a boss and a nickel-titanium alloy temperature memory wire, the boss is arranged in the hollow shell, the nickel-titanium alloy temperature memory wire is wound on the boss to form a first coil and then abuts against the lock tongue, the end of the unlocking device is provided with a second coil made of metal, an unlocking slot is formed in the outer portion of the hollow shell, the boss and the unlocking slot are located on the same central axis, the second coil of the unlocking device is arranged in the unlocking slot after the unlocking device is electrified, the first coil generates electricity, and the nickel-titanium alloy temperature memory wire is contracted after being heated by electricity, so that the pulling assembly compresses the first spring to move the lock tongue away from the reverse slot.

[0017] Further, the locking device further comprises a second spring, one end of the second spring is fixed in the hollow shell, the other end of the second spring and the metal lock rod away from the one end of the steel wire rope abut, the second spring and the metal lock rod are coaxially arranged.

[0018] The utility model has the advantages of:

[0019] The utility model is protected article (such as luggage, valuable articles etc.) from the movable end of steel wire rope, and the protected article is not easy to be moved or stolen illegally, and each component in the alarm unit cooperates with each other, and a stable and reliable system is formed.When the metal lock rod is inserted into the lock hole and locked and connected with the locking device, at this time, the battery module and the PCB form a closed loop, and the open circuit sensor can detect the state of the steel wire rope in real time, and once the abnormal condition (such as the fracture of the steel wire rope) is found, the open circuit sensor can detect rapidly and send an alarm prompt through the buzzer, and the timeliness and effectiveness of safety monitoring are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creating creative labor.

[0021] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0022] Figure 1 A replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the utility model Figure 1 .

[0023] Figure 2 A replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the utility model Figure 1 .

[0024] Figure 3 A replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the utility model Figure 2 .

[0025] Figure 4 A schematic view of the replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the present application Figure 2

[0026] Figure 5 A schematic view of the replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the present application Figure 3

[0027] Figure 6 A schematic view of the battery cover provided for some embodiments of the present application.

[0028] Figure 7 A schematic view of the unlocking device provided for some embodiments of the present application.

[0029] Figure 8 A perspective view of the replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the present application.

[0030] Figure 9 A partial view of the replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the present application.

[0031] Figure 10 A circuit schematic view of the replaceable battery electromagnetic unlocking self-sounding anti-theft label provided for some embodiments of the present application.

[0032] In the figure: 1, hollow shell; 2, lock hole; 3, steel wire rope; 4, metal lock rod, 41, reverse buckle groove; 5, lock tongue; 6, first spring; 7, sliding groove; 8, guide column; 9, nickel-titanium alloy temperature memory wire; 10, boss; 11, first coil; 12, buzzer; 13, PCB board; 14, battery compartment; 15, storage battery; 16, support plate; 17, battery cover, 171, clamping plate, 172, plug plate, 173, jack, 174, contact spring; 18, starting switch; 19, second spring; 20, EAS label; 21, unlocking slot; 22, unlocking device; 23, second coil. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0034] Embodiment 1.

[0035] As Figures 1 to 10 ​​As shown, the utility model discloses a first aspect embodiment of a replaceable battery electromagnetic unlocking self-sounding anti-theft label, including the hollow casing 1 with lock hole 2, steel wire 3, locking device and alarm unit, hollow casing 1 is by the upper casing and lower casing and is formed, locking device and alarm unit are all placed in hollow casing 1, locking device and alarm unit are spaced apart, one end of steel wire 3 is firmly fixed on hollow casing 1 as fixed end, and the fixed end is immovable, and the other end of steel wire 3 is equipped with metal lock rod 4 as movable end.

[0036] Alarm unit includes battery module, buzzer 12, PCB board 13 and circuit breaker sensor, buzzer 12 and circuit breaker sensor are electrically connected, circuit breaker sensor and PCB board 13 are electrically connected, the positive terminal of battery module is electrically connected through wire and fixed end of steel wire 3, and the negative terminal of battery module is electrically connected with PCB board 13;

[0037] Metal lock rod 4 is inserted into lock hole 2 and locking device locking connection, and battery module and PCB board 13 form closed loop, when circuit breaker sensor detects that steel wire 3 is broken, circuit breaker sensor converts current into electric signal and passes to buzzer 12, and buzzer 12 sends alarm prompt.

[0038] Optionally, the material of metal lock rod 4 is conductive metal, such as iron, copper and steel.

[0039] Working principle:

[0040] Normal state: when metal lock rod is inserted into lock hole and locking device locking connection, battery module, PCB board, steel wire, circuit breaker sensor and buzzer form closed loop.In this state, anti-theft label is in normal working condition, and the state of steel wire is monitored at any time.

[0041] Alarm trigger: when steel wire is broken by external force, circuit breaker sensor will detect the change of circuit.Circuit breaker sensor converts current into electric signal and rapidly passes to buzzer.

[0042] After buzzer receives electric signal, alarm prompt is sent, reminding user or surrounding person that the article can be in unsafe state, and can be suffering theft or accidental damage.

[0043] Embodiment 2.

[0044] As Figures 1-10As shown, a replaceable battery electromagnetic unlocking self-sounding anti-theft label includes all the contents of embodiment 1, the battery module includes battery 15, battery compartment 14 and battery cover 17, battery compartment 14 is used to accommodate battery 15, the top of battery compartment 14 is open, battery compartment 14 and hollow shell 1 are in communication, the bottom of battery compartment 14 is provided with support plate 16, support plate 16 sets the side wall of PCB board 13, two ends of battery cover 17 are respectively provided with clamping plate 171 and plug plate 172, plug hole 173 is opened on plug plate 172, clamping plate 171 and plug plate 172 of battery cover 17 are clamped on both sides of the opening of battery compartment 14 respectively, which ensures that battery cover 17 is firmly installed, plug hole 173 and lock hole 2 are coaxially arranged, clamping plate 171 is clamped on one side of the opening, plug plate 172 is clamped on the other side of the opening, metal lock rod 4 is sequentially arranged through lock hole 2, plug hole 173 and locking device locking connection, plug hole 173 is opened on plug plate 172, then metal lock rod 4 is further fixed when locking, so that battery cover 17 cannot easily fall off from hollow shell 1,

[0045] When the product is locked, the metal lock head of the steel wire rope passes through the plug hole of the battery cover, at this time, the battery cover cannot be removed; after the product is unlocked, pry from the end face of the battery cover, remove the battery cover, replace the battery inside, put the new battery into the battery compartment, ensure that the positive and negative electrodes of the battery correspond to the electrodes on the PCB board, then install the battery cover back, usually, the size of the battery cover is the same as the size of the top opening of the battery compartment, which is used to seal the top opening of the battery compartment.

[0046] The middle part of battery cover 17 is provided with contact spring 174 in the direction of battery compartment 14, contact spring 174 abuts against battery 15 in battery compartment 14, which ensures that battery 15 is stable in battery compartment 14, the voltage value of the direct current battery used in the product is about 5 to 10 volts (V).

[0047] At the same time, the battery module also includes start switch 18, start switch 18 and PCB board 13 are electrically connected and fixed on PCB board 13. When metal lock rod 4 is inserted into lock hole 2, start switch 18 is pressed down, PCB board 13 starts to work, the start switch 18 is a compression switch, which is embedded in hollow shell 1 when pressed down, and is popped out from hollow shell 1 when metal lock rod 4 and locking device are in the unlocked state.

[0048] The battery can be replaced, prolonging the service life of the anti-theft tag. The battery of the conventional anti-theft tag is not replaceable, and once the battery is depleted, the tag cannot work normally. The replaceable battery design of the present application enables the user to easily replace the new battery when the battery is depleted, continue to use the anti-theft tag, and greatly prolong the service life of the tag. The user does not need to replace the entire anti-theft tag due to battery depletion, but only needs to replace the battery, saving cost and time. At the same time, the replaceable battery design also makes the anti-theft tag more environmentally friendly, reducing the generation of electronic waste.

[0049] Embodiment 3

[0050] As Figures 1-10 shown, a replaceable battery electromagnetic unlocking self-sounding anti-theft tag includes all the contents of embodiment 2, the alarm unit further includes an EAS tag 20, and the EAS tag 20 and the buzzer 12 are electrically connected. When someone takes the anti-theft tag and the article out together, the resonant circuit or magnetic element inside the EAS tag 20 will resonate or change the magnetic field with the detector when passing through the anti-theft door. The EAS tag 20 is usually a radio frequency tag, preferably an active RF tag.

[0051] EAS detectors are installed at the exit, which are usually a pair of antennas or induction doors. When the goods with activated tags pass through the detectors, the detectors will detect the signals emitted by the tags. If the detectors detect a tag signal that has not been decoded or demagnetized, it will trigger the alarm system to alert the staff of possible theft.

[0052] The locking device includes a sliding groove 7, a first spring 6, a lock tongue 5, and a pulling assembly. The sliding groove 7 is fixed in the hollow shell 1, one end of the first spring 6 abuts against the inner wall of the sliding groove 7, the other end of the first spring 6 abuts against the lock tongue 5, the lock tongue 5 is slidably arranged in the sliding groove 7, the pulling assembly is fixedly connected with the lock tongue 5, and the metal lock rod 4 is provided with a reverse slot 41, and the lock tongue 5 can be clamped in the reverse slot 41.

[0053] The pulling assembly includes an unlocking device 22, a boss 10, and a nickel-titanium alloy temperature memory wire 9. The boss 10 is arranged in the hollow shell 1, the nickel-titanium alloy temperature memory wire 9 is wound on the boss 10 to form a first coil 11 and abuts against the lock tongue 5, the unlocking device 22 is provided with a second coil 23 made of metal at the end, the outer portion of the hollow shell 1 is provided with an unlocking slot 21, the boss 10 and the unlocking slot 21 are located on the same central axis, the second coil 23 is placed in the unlocking slot 21 after the unlocking device 22 is electrified, the first coil 11 generates electricity, and the nickel-titanium alloy temperature memory wire 9 shrinks after being heated by electricity, driving the pulling assembly to compress the first spring 6 to move the lock tongue 5 away from the reverse slot 41.

[0054] In addition, a guide column 8 is arranged between the locking tongue 5 and the nickel-titanium temperature memory wire 9, which accurately positions the nickel-titanium temperature memory wire 9 and the locking tongue 5 in use, and guides the movement of the moving part along a predetermined path during the movement of the nickel-titanium temperature memory wire 9, ensuring that the extension and retraction movement of the nickel-titanium temperature memory wire 9 is stable and without deviation.

[0055] The locking device further comprises a second spring 19, one end of the second spring 19 is fixed in the hollow shell 1, the other end of the second spring 19 abuts against the end of the metal lock rod 4 away from the steel wire rope 3, and the second spring 19 and the metal lock rod 4 are coaxially arranged.

[0056] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of the utility model.

[0057] The terms such as "upper", "lower", "left", "right", "intermediate" and the like cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.

Claims

1. A replaceable battery electromagnetic unlocking self-sounding anti-theft tag, characterized in that, The hollow shell (1) with a lock hole (2), a steel wire rope (3), a locking device and an alarm unit are included. The locking device and the alarm unit are both placed in the hollow shell (1), and the locking device and the alarm unit are arranged at intervals, one end of the steel wire rope (3) is fixed on the hollow shell (1) as a fixed end, and the other end of the steel wire rope (3) is provided with a metal lock rod (4) as a movable end. The alarm unit includes a battery module, a buzzer (12), a PCB board (13) and a disconnection sensor, the buzzer (12) and the disconnection sensor are electrically connected, the disconnection sensor and the PCB board (13) are electrically connected, the positive terminal of the battery module is electrically connected with the fixed end of the steel wire rope (3) through a wire, and the negative terminal of the battery module is electrically connected with the PCB board (13). The metal lock rod (4) is inserted into the lock hole (2) and locked and connected with the locking device, the battery module and the PCB board (13) form a closed loop, when the disconnection sensor detects that the steel wire rope (3) is broken, the disconnection sensor converts the current into an electrical signal and transmits it to the buzzer (12), and the buzzer (12) gives an alarm prompt.

2. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 1, characterized in that, The battery module includes a storage battery (15), a battery compartment (14) and a battery cover (17), the battery compartment (14) is used for accommodating the storage battery (15), the top of the battery compartment (14) is open, the battery compartment (14) and the hollow shell (1) are communicated, the bottom of the battery compartment (14) is provided with a support plate (16), the support plate (16) is provided with a side wall of the PCB board (13), two ends of the battery cover (17) are respectively provided with a clamping plate (171) and a plug plate (172), a plug hole (173) is formed in the plug plate (172), the plug hole (173) and the lock hole (2) are coaxially arranged, the clamping plate (171) is clamped on one side of the opening, the plug plate (172) is clamped on the other side of the opening, and the metal lock rod (4) is sequentially arranged in the lock hole (2), the plug hole (173) and the locking device.

3. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 2, characterized in that, The middle part of the battery cover (17) is provided with a contact spring (174) in the direction of the battery compartment (14), and the contact spring (174) abuts against the storage battery (15) in the battery compartment (14).

4. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 1, characterized in that, The battery module further includes a start switch (18), and the start switch (18) is electrically connected with the PCB board (13).

5. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 1, characterized in that, The alarm unit further includes an EAS tag (20), and the EAS tag (20) is electrically connected with the buzzer (12).

6. The electromagnetic unlocking self-sounding anti-theft tag with replaceable battery according to claim 1, characterized in that, The locking device comprises a sliding groove (7), a first spring (6), a lock tongue (5) and a pulling assembly, one end of the first spring (6) abuts against the inner wall of the sliding groove (7), the other end of the first spring (6) abuts against the lock tongue (5), the lock tongue (5) is slidably arranged in the sliding groove (7), the pulling assembly is fixedly connected with the lock tongue (5), a reverse slot (41) is formed in the metal lock rod (4), and the lock tongue (5) can be clamped in the reverse slot (41).

7. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 6, characterized in that, The pulling assembly comprises an unlocking device (22), a boss (10) and a nickel-titanium alloy temperature memory wire (9), the boss (10) is arranged in the hollow shell (1), the nickel-titanium alloy temperature memory wire (9) is wound on the boss (10) to form a first coil (11) and then abuts against the lock tongue (5), the end of the unlocking device (22) is provided with a second coil (23) made of metal, an unlocking slot (21) is formed in the outer portion of the hollow shell (1), the boss (10) and the unlocking slot (21) are located on the same central axis, the second coil (23) is arranged in the unlocking slot (21) after the unlocking device (22) is electrified, the first coil (11) generates electricity through induction, the nickel-titanium alloy temperature memory wire (9) is shrunk after being heated by electricity, the pulling assembly is driven to compress the first spring (6) to move the lock tongue (5) to separate from the reverse slot (41).

8. The replaceable battery electromagnetic unlocking self-sounding anti-theft tag according to claim 6, characterized in that, The locking device further comprises a second spring (19), one end of the second spring (19) is fixedly arranged in the hollow shell (1), the other end of the second spring (19) abuts against one end of the metal lock rod (4) away from the steel wire rope (3), and the second spring (19) and the metal lock rod (4) are coaxially arranged.

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