CN111402466A

CN111402466A - Anti-dismantling device and locking and unlocking method thereof

Info

Publication number: CN111402466A
Application number: CN202010304503.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhang Jiaai
Current assignee: Zhang Jiaai
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-07-10

Abstract

The invention relates to a device capable of preventing disassembly and a locking and unlocking method thereof, wherein the device capable of preventing disassembly comprises a main body and an accessory, the main body comprises a locking unit, a control unit and a trigger unit, the control unit comprises a communication module, the accessory at least comprises a lock catch, the locking unit is provided with a locking position and an unlocking position, the control unit is electrically connected with the locking unit and the trigger unit, the control unit is communicated with an authorization terminal and applies for unlocking after receiving a trigger signal of the trigger unit, the authorization terminal feeds back information to the control unit, if the feedback information received by the control unit comprises unlocking authorization, the locking unit is controlled to enter the unlocking position, and if the feedback information received by the control unit does not comprise the unlocking authorization, the locking unit is maintained at the locking position. According to the invention, the unlocking operation can be executed only by triggering to acquire the authorization, the control unit is in the dormant state before the triggering, and the control unit enters the active state after the triggering, so that the energy consumption can be effectively saved, the practicability is higher, the safety is higher, and the illegal disassembly behavior can be effectively avoided.

Description

Anti-dismantling device and locking and unlocking method thereof

Technical Field

The invention belongs to the technical field of anti-dismantling devices, and particularly relates to an anti-dismantling device and a locking and unlocking method thereof.

Background

Electronic tags, trackers, etc. currently marketed for attachment to livestock, pets, children, or abnormal status personnel are too easily undone, and may be inadvertently unlocked and lost, or even intentionally removed. A common locking method is to use special, dedicated mechanical structures, such as: the equipment is divided into a main body and a fixing buckle, the main body and the fixing buckle are clamped on two sides of the external ear of the livestock, the two parts of the equipment are locked by quincunx countersunk head screws, and a quincunx screwdriver matched with the equipment is distributed for screwing the screws, and the screwdriver is difficult to buy in the market, so that the equipment is prevented from being picked. In fact, there are a large number of users of the same type of product, which means that a quincunx screwdriver is available to every user. And it is not difficult for a mindful person to buy the tool in the market after the quincunx screwdriver is designed and produced. Therefore, the special-shaped mechanical fixing mode cannot play a role in preventing the removal.

In the prior art, patent CN110226817A discloses an anti-disassembly alarm wristwatch, but the alarm module added in the wristwatch can only actually play an alarm role, and cannot prevent the wristwatch from being disassembled. Patent CN109869051A discloses an thing networking tool to lock in addition, including the mountable outer lock shell and the inner lock shell together fixed, be provided with the electron lock core between outer lock shell and the inner lock shell, the electron lock core includes control module, and control module still is connected with the communication module electricity, receives the signal that comes from thing networking platform through communication module and sets up password in the lock to control module, is provided with bluetooth module on the control module. The Internet of things lockset has the advantages of remote dynamic password modification and unlocking, accurate lock tongue control operation and convenience in disassembly and assembly. However, in the above technical solution, the control module needs to always or regularly inquire whether a person wants to unlock, that is, the control module is always in a working state and consumes power.

In view of the foregoing, it is desirable to provide an energy-saving anti-detachment device and a locking and unlocking method thereof that can effectively prevent illegal detachment.

Disclosure of Invention

The invention aims to provide an energy-saving anti-dismantling device which can effectively prevent illegal dismantling and a locking and unlocking method thereof.

The above purpose is realized by the following technical scheme: a device capable of preventing disassembly comprises a main body and an accessory, wherein the main body comprises a locking unit, a control unit and a trigger unit, the control unit further comprises a communication module, the accessory at least comprises a lock catch, the lock catch and the locking unit are matched for use and can lock the accessory on the main body, the locking unit is provided with a locking position and an unlocking position, when the accessory is combined with the main body, the lock catch is limited by the locking unit located at the locking position and realizes locking, and the locking unit is located at the unlocking position and is in an unlocking state; the control unit is electrically connected with the locking unit and the trigger unit, the control unit passes through the communication module can be in communication connection with a preset authorization terminal, the control unit receives the trigger signal of the trigger unit and then communicates with the authorization terminal and applies for unlocking to the authorization terminal, the authorization terminal feeds back information to the control unit, if the feedback information received by the control unit comprises unlocking authorization, the control locking unit enters an unlocking position, if the feedback information received by the control unit does not comprise the unlocking authorization, the locking unit is maintained at the locking position.

Before the anti-dismounting device is unlocked, the anti-dismounting device is triggered through corresponding operation, after the triggering, the control unit communicates with the authorization terminal and obtains unlocking authorization, after the authorization is obtained, the control unit can execute unlocking operation, and then a user can implement the operation of separating the main body and the accessory. This product need not external key of taking the power and inserts the tool to lock and realize the unblock, and before not triggering, the control unit is in dormant state, does not carry out the correlation function of lock, like application mandate, unblock operation etc, the control unit just gets into active state behind the trigger unit, and then can think all electric quantity consumptions relevant with the function of lock be zero, can effectively energy saving, improve the life and the market perspective of application of product, the practicality is higher, the security is higher, can effectively avoid the action of illegal dismantlement.

The technical scheme is that the trigger unit is arranged in the main body and comprises a trigger switch, the trigger switch at least comprises two contacts, one contact is electrically connected with the control unit, the other contact is connected with an internal voltage source of the anti-disassembly device, the accessory and the main body can be switched on or off when moving relatively, the contact connected with the control unit can be changed in voltage when the trigger switch is switched on, and the voltage change is transmitted to the control unit as a trigger signal. When the device is used, a user moves the accessory and the main body relatively to realize the on-off of the trigger switch, namely the trigger action required to be unlocked is hidden, the hiding performance of unlocking operation is strong, ordinary people do not know the unlocking operation process of the device, and the device has higher practicability and higher safety.

The anti-disassembly device comprises a main function module, wherein a control circuit for controlling the action of the locking unit is embedded in the main function module, and the control circuit and the main function module share the same control unit. Under the structure, the control circuit for unlocking is embedded in the circuit of the main module, the functional circuit of the main module works, and only relevant functions of the lock, such as authorization application, unlocking operation and the like, are not executed, so that all electricity consumption related to the lock function can be considered to be zero, and after the trigger device is triggered, the part related to the lock function in the circuit begins to consume electricity (a program run by the control unit, a communication module is started to apply authorization to a platform, a bolt is actuated to operate and the like), so that a low-energy-consumption mode is realized.

The technical scheme is that before the trigger unit does not perform the trigger action, a control circuit for controlling the action of the locking unit is in an open circuit state, and after the trigger action is performed by the trigger unit, the control circuit forms an electrifying loop and triggers the control unit to work. Under the structure, before triggering, the whole control circuit is not electrified, after triggering, the control circuit is electrified and executes related operations, and after finishing triggering, the trigger switch is switched off, so that the power supply of the whole circuit is cut off, and the mode with low energy consumption is realized.

The technical scheme is that the trigger switch comprises two contacts, a return spring and a conductive plate arranged on the return spring, the return spring is pressed to move, so that the conductive plate is in contact with the two contacts, and the trigger switch is closed. So set up, when the user triggers the action, be about for the annex with when the main part carries out relative motion, if oppress the annex, drive reset spring motion for two contacts contact on the current conducting plate on the reset spring and the trigger switch, trigger switch closure realization triggers.

The further technical scheme is that the trigger unit comprises a signal interface, the signal interface at least comprises a power supply signal, the signal interface is electrically connected with the control unit, the power supply signal generates power supply voltage after the signal interface is connected with an external power supply through a data line, and the power supply voltage is transmitted to the control unit as a trigger signal. According to the unlocking triggering mode, the triggering action when unlocking is needed is hidden, namely a mode of setting a signal interface is adopted, the signal interface mode is suitable for application of an inconvenient built-in power supply in a lock body, when corresponding operation is needed, the signal interface is inserted through a data line, the control unit can start a communication function and is connected with an authorization terminal, and therefore, the power supply signal is triggered when power supply voltage appears, the unlocking operation is strong in concealment, the practicability is high, the safety is high, and illegal dismounting behaviors can be effectively avoided.

A further technical scheme is, the locking unit includes spring bolt and driving piece, the spring bolt with the driving piece links to each other, the driving piece with the control unit electricity is even, the annex includes felting needle, hasp and hasp backplate, the one end of hasp with the hasp backplate links to each other, and the other end is provided with the felting needle, the hasp is equipped with the locked groove, the spring bolt stretches into the locked groove forms the lock location, the driving piece can drive the spring bolt shifts out the locked groove forms the position of unblocking, promotes the hasp backplate makes annex and main part move in opposite directions and can drive the felting needle motion makes trigger unit triggers and sends out the trigger signal. So set up, user's accessible promotes the hasp backplate drives the felting needle is to being close to reset spring motion and oppression reset spring motion makes trigger switch's two contacts contact, obtains authorizing after the triggering back driving piece can drive the lock tongue withdraws the locked groove forms the position of unblock. The drive member here is preferably a solenoid.

The main body comprises a lock body, the locking unit comprises a lock tongue and a driving piece, the lock tongue is connected with the driving piece, the lock tongue is fixed in the lock body through an elastic piece, the accessory comprises a plug buckle, the plug buckle is provided with a pin, the end part of the pin is provided with a lock catch, the lock tongue extends into the lock catch to form a locking position, the driving piece is electrically connected with the control unit, and the driving piece can drive the lock tongue to move out of the lock catch to form an unlocking position; pressing the latch causes the trigger unit to trigger and emit a trigger signal. The structure is suitable for a mortise and tenon lock form, when the mortise and tenon lock is inserted into the lock body, the lock tongue extends into the lock catch to form a lock position, and the lock catch is pressed to drive the lock tongue to move oppositely so that the contact points of the two triggers are contacted to realize triggering.

The technical scheme is that the eye-splice is provided with two symmetrically arranged pins, the locking unit at least comprises two lock tongues, the two lock tongues are respectively connected with the contacts of the trigger unit, and the pressing of the lock catch drives at least one lock tongue to move so that the two contacts of the trigger unit are connected to realize triggering and send out a triggering signal.

The driving piece is an electromagnet, the electromagnet is arranged between the two lock tongues, the lock tongues are made of magnetic materials, and the control unit can control the on-off of the electromagnet.

The accessory comprises a connecting end and a locking end, the locking end of the accessory is provided with a lock catch, the locking unit comprises a lock tongue and a limiter, the lock tongue and the limiter are arranged in the main body, the lock tongue is hinged with the main body and can rotate along the hinged point, the limiter is fixed at the lower part of the lock tongue, a telescopic limiting rod used for supporting the lock tongue is arranged on the limiter, one end of the lock tongue is connected with the limiter through an extension spring, the other end of the lock tongue can extend into the lock catch to form a locking position, the extension spring pulls the lock tongue downwards to rotate along the hinged point of the lock tongue and the main body when the limiting rod contracts downwards, and meanwhile, the accessory moves upwards until the lock tongue moves out of the lock catch to form an unlocking position; the accessory is pressed downwards, the lock catch drives the spring bolt to rotate along the hinge point of the spring bolt and the main body, and meanwhile, one end of the spring bolt connected with the extension spring is lifted to touch the trigger unit, so that the trigger unit triggers and sends out a trigger signal. This structure is suitable for a padlock type.

The further technical scheme is that the limiting stopper is a telescopic cylinder; or the stopper is a rotary telescopic mechanism and comprises a driving motor, the driving motor is in power connection with the limiting rod, and the control unit can control the driving motor to rotate positively and negatively and drive the limiting rod to perform telescopic motion.

The technical scheme is that the locking unit comprises a lock tongue and a driving piece, the accessory comprises a locking piece and a lock catch arranged on the locking piece, the lock tongue is connected with the driving piece, the lock tongue extends into the lock catch to form a locking position, and the driving piece can drive the lock tongue to move out of the lock catch to form an unlocking position. The method is preferably applicable to the form of triggering without physical structures, such as the form of triggering by inserting a data line into a communication interface and powering on, but also applicable to other forms.

The further technical scheme is that the locking piece is a locking plate, one side of the locking plate is hinged with the main body through a hinge and can rotate along a hinged point of the main body, and the other side of the locking plate is provided with the lock catch.

In order to achieve the above object, the present invention further provides a locking and unlocking method of a tamper-evident device, comprising the steps of:

(1) triggering: the trigger unit triggers and transmits a trigger signal to the control unit;

(2) and (4) awakening: the control unit is awaken from the dormant state and starts to execute unlocking operation;

(3) authorization: the control unit sends an unlocking application to an authorization terminal in a wireless communication mode, and the authorization terminal feeds back information to the control unit;

(4) unlocking or maintaining locking: if the feedback information received by the control unit comprises unlocking authorization, the locking unit is controlled to enter an unlocking position, and if the feedback information received by the control unit does not comprise unlocking authorization, the locking unit is maintained at the locking position.

(5) Dormancy: and (4) after the step (4) is finished, the control unit enters a dormant state.

Before the anti-dismounting device is unlocked, the anti-dismounting device is triggered through corresponding operation, after the triggering, the control unit communicates with the authorization terminal and obtains unlocking authorization, after the authorization is obtained, the control unit can execute unlocking operation, and then a user can implement the operation of separating the main body and the accessory. Before the control unit is not triggered, the control unit is in a dormant state, and related functions of the lock are not executed, such as authorization application, unlocking operation and the like, the control unit enters an active state after the control unit is triggered, so that all electric quantity consumption related to the functions of the lock can be considered to be zero, energy consumption can be effectively saved, the service life of a product and the market application prospect are improved, the practicability is higher, the safety is higher, and illegal disassembly can be effectively avoided.

The further technical scheme is that the sleep in the step (5) refers to complete power off.

The technical scheme is that in the step (1), before the trigger unit does not perform the trigger action, a control circuit for controlling the action of the locking unit is an open circuit, and after the trigger unit performs the trigger action, the control circuit forms an electrifying loop to realize the trigger; or the triggering in the step (1) enables the trigger switch of the trigger unit to act, the voltage of at least one contact point electrically connected with the control unit on the trigger unit changes, and the trigger signal is transmitted to the control unit.

The anti-dismantling device comprises a Bluetooth communication circuit, the authorization terminal is an unlocking authorization management platform, the control unit is in communication connection with a mobile phone terminal through the Bluetooth circuit, the mobile phone terminal is in communication connection with the unlocking authorization management platform, and before the step (1), unlocking authorization of the anti-dismantling device is opened by a user who adds the mobile phone terminal on the unlocking authorization management platform; the step (2) further comprises an authentication step: the control unit controls to open Bluetooth, establishes communication connection with Bluetooth of the mobile phone terminal in a matching mode, and sends the ID of the anti-dismantling device and a request unlocking authorization to the mobile phone terminal, the mobile phone terminal sends the ID of the anti-dismantling device to the unlocking authorization management platform and applies for the unlocking authorization, the unlocking authorization management platform receives the ID of the anti-dismantling device sent by a mobile phone terminal user and inquires whether the mobile phone terminal user has authorization for opening the anti-dismantling device with the ID, if yes, the control unit sends the unlocking authorization to the mobile phone terminal, and the mobile phone terminal sends the unlocking authorization to the control unit; and if not, the relevant action is not carried out.

The invention also provides another locking and unlocking method of the anti-dismantling device, which is characterized by comprising the following steps:

(1) triggering: triggering to enable the two contacts of the trigger unit to be contacted; if the contact time of the trigger is longer than the preset time, entering the step (2), and if the contact time of the trigger is shorter than the preset time, entering the step (3);

(2) and (3) judging or unbinding: the control unit checks whether the device is bound with an authorized terminal or not, if so, the communication circuit is started, the authorized terminal is waited to be accessed and the unbinding password is verified, if the verification is passed, the binding is released, and if the verification is not passed, the step (5) is carried out; if not, starting the communication circuit, waiting for the terminal to access and checking the binding password, if the checking is passed, the binding terminal is an authorized terminal, and after the binding, the anti-dismounting device can be operated only by taking the authorized terminal as a unique terminal, and if the checking is not passed, entering the step (5);

(3) authorization: the control unit sends an unlocking application to the authorization terminal, and the authorization terminal feeds back information to the control unit; if the feedback information received by the control unit comprises unlocking authorization, entering the step (4), otherwise, entering the step (5)

(4) Unlocking: the control unit controls the locking unit to enter an unlocking position and continues for a preset time;

(5) maintaining locking: the control unit does not send out a control signal and maintains the locking unit at the locking position.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic flow chart of the operation of a tamper-evident device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the operation of a tamper-evident device in accordance with an embodiment of the present invention;

FIG. 3 is a flow chart of the operation of a control unit of a positioner according to an embodiment of the present invention after triggering;

FIG. 4 is a schematic diagram of a positioner according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating an unlock trigger of a positioner according to an embodiment of the present invention;

FIGS. 6 and 7 are schematic structural views of a positioner according to an embodiment of the present invention after acquiring unlocking authorization and retracting a bolt and after detaching the bolt;

fig. 8 is a schematic view of an external structure of a temperature recorder according to an embodiment of the present invention;

fig. 9 to 12 are schematic diagrams of a locking structure, triggering application for unlocking, success in unlocking, and unlocking after removal of a locking object of a temperature recorder according to an embodiment of the present invention;

FIG. 13 is a flowchart of the operation of a control unit of a temperature recorder in accordance with an embodiment of the present invention after triggering; FIG. 14 is a schematic view of the operation of a pedometer according to an embodiment of the present invention;

FIG. 15 is a schematic view of a pedometer according to an embodiment of the present invention;

fig. 16 to 18 are schematic diagrams of a locking structure, a trigger application unlocking, and an unlocking success of the pedometer according to an embodiment of the present invention;

FIG. 19 is a schematic flow chart of the operation of a pedometer according to an embodiment of the present invention;

fig. 20 is a schematic diagram of the device structure and the working principle of the padlock of the internet of things according to an embodiment of the invention;

fig. 21 and 22 are schematic diagrams of an internet of things padlock according to an embodiment of the invention after being triggered and unlocked, respectively;

fig. 23 is a schematic power circuit diagram of an internet of things padlock according to an embodiment of the invention.

In the figure:

1 lock tongue 2 trigger switch 3 lock catch 4 authorization terminal

5 locking back plate 6 locator body 7, felting needle 8CPU

9 solenoid 10 positioning control module 11 positioning circuit 12 communication circuit

13 reset spring 14 conductive plate 15USB interface 16 data line

17 temperature recorder main body 18 lock catch plate 19 fixed belt trough 20 control panel

21 temperature sensor 22 lock body 23 inserting buckle 24 controller

25 electromagnet 26 circuit board 27 elastic piece 28 mobile phone terminal

29 lock beam 30 lock body 31 stopper 32 gag lever post

33 compression spring 34 extension spring 35 power supply maintaining circuit

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

The embodiment of the invention is as follows, referring to fig. 1 and 2, a device capable of preventing disassembly comprises a main body and an accessory, wherein the main body comprises a locking unit, a control unit and a trigger unit, the control unit further comprises a communication module, the accessory at least comprises a lock catch 3, the lock catch 3 is matched with the locking unit for use and can lock the accessory on the main body, the locking unit is provided with a locking position and an unlocking position, when the accessory is combined with the main body, the lock catch 3 is limited by the locking unit positioned at the locking position and realizes locking, and the locking unit is positioned at the unlocking position and is in an unlocking state; the control unit is electrically connected with the locking unit and the trigger unit, the control unit passes through the communication module can be connected with predetermined authorized terminal 4 communication, the control unit receive trigger unit trigger signal after with authorized terminal 4 communication and to its application unblock, authorized terminal 4 feedback information extremely the control unit, if feedback information that the control unit received includes the unblock authority, then control the locking unit and get into the unblock position, if feedback information that the control unit received does not include the unblock authority, then maintain the locking unit at the lock position.

Before unlocking the anti-dismounting device, the anti-dismounting device is triggered through corresponding operation, after the triggering, the control unit communicates with the authorization terminal 4 and obtains unlocking authorization, after the authorization is obtained, the control unit can execute unlocking operation, and then a user can execute the operation of separating the main body and the accessory. This product need not external key of taking the power and inserts the tool to lock and realize the unblock, and before not triggering, the control unit is in dormant state, does not carry out the correlation function of lock, like application mandate, unblock operation etc, the control unit just gets into active state behind the trigger unit, and then can think all electric quantity consumptions relevant with the function of lock be zero, can effectively energy saving, improve the life and the market perspective of application of product, the practicality is higher, the security is higher, can effectively avoid the action of illegal dismantlement.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 4 and 16, the trigger unit is disposed inside the main body, the trigger unit includes a trigger switch 2, the trigger switch 2 includes at least two contacts, one of the contacts is electrically connected to the control unit, the other contact is connected to an internal voltage source of the anti-detachment device, when the accessory and the main body perform a relative motion, the accessory can be turned on or off the trigger switch 2, the turning-on of the trigger switch 2 causes a voltage change to occur at the contact connected to the control unit, and the voltage change is transmitted to the control unit as a trigger signal. When the device is used, a user moves the accessory and the main body relatively to realize the on-off of the trigger switch 2, namely the trigger action when unlocking is needed is hidden, the hiding performance of unlocking operation is strong, ordinary people do not know the unlocking operation process of the device, and the device has higher practicability and higher safety.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 4 and 9, the tamper-proof device includes a main function module, and a control circuit for controlling the operation of the locking unit is embedded in the main function module, and the control circuit and the main function module share the same control unit. Under the structure, the control circuit for unlocking is embedded in the circuit of the main module, the functional circuit of the main module works, and only relevant functions of the lock, such as authorization application, unlocking operation and the like, are not executed, so that all electricity consumption related to the lock function can be considered to be zero, and after the trigger device is triggered, the part related to the lock function in the circuit begins to consume electricity (a program run by the control unit, a communication module is started to apply authorization to a platform, the bolt 1 is actuated to operate and the like), so that a low-energy-consumption mode is realized.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 20, before the triggering unit does not perform the triggering operation, the control circuit for controlling the locking unit to operate is an open circuit, and after the triggering unit performs the triggering operation, the control circuit forms an energizing circuit and triggers the control unit to operate. Under the structure, before triggering, the whole control circuit is not electrified, after triggering, the control circuit is electrified and executes related operations, the trigger switch 2 is switched off after triggering is completed, and then the power supply of the whole circuit is cut off, so that a low-energy-consumption mode is realized.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4, the trigger switch 2 includes two contacts, a return spring 13 and a conductive plate 14 disposed on the return spring 13, the return spring 13 is pressed to move, so that the conductive plate 14 contacts with the two contacts, and the trigger switch 2 is closed. So set up, when the user triggers the action, be about to annex with when the main part carries out relative motion, if oppress the annex, drive reset spring 13 motion for the current conducting plate 14 on reset spring 13 contacts with two contacts on the trigger switch 2, and trigger switch 2 closure realizes triggering.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 9, the trigger unit includes a signal interface, the signal interface at least includes a power signal, the signal interface is electrically connected to the control unit, and after the signal interface is connected to an external power source through a data line 16, the power signal generates a power voltage and transmits the power voltage as the trigger signal to the control unit. With the arrangement, the unlocking triggering mode of the invention enables the triggering action when unlocking is needed to be hidden, namely, a mode of setting a signal communication interface is adopted, when corresponding operation is needed, the signal communication interface is inserted through the data line 16, the communication function can be started and connected with the authorization terminal 4 only through the control unit of the invention, and thus, the power supply voltage appears in the power supply signal to realize triggering, the concealment of the unlocking operation is strong, the practicability is higher, the safety is higher, and the illegal disassembly behavior can be effectively avoided.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4 and 5, the locking unit includes a lock tongue 1 and a driving member, the lock tongue 1 is connected to the driving member, the driving member is electrically connected to the control unit, the accessory includes a spike 7, a latch 3 and a latch back plate 5, one end of the latch 3 is connected to the latch back plate 5, the other end of the latch 3 is provided with the spike 7, the latch 3 is provided with a lock slot, the lock tongue 1 extends into the lock slot to form a locking position, the driving member can drive the lock tongue 1 to move out of the lock slot to form an unlocking position, and the latch back plate 5 is pushed to enable the accessory and the main body to move towards each other and can drive the spike 7 to move so as to enable the triggering unit to trigger. With the arrangement, a user can push the lock catch back plate 5 to drive the puncture needle 7 to move towards the position close to the return spring 13 and press the return spring 13 to move, so that the two contacts of the trigger switch 2 are contacted, and after the trigger is triggered, the driving piece can drive the lock tongue 1 to retract out of the lock groove to form an unlocking position. The drive member here is preferably a solenoid 9.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 14 and fig. 15, the main body includes a lock body 22, the locking unit includes a locking tongue 1 and an actuating member, the locking tongue 1 is connected to the actuating member, the locking tongue 1 is fixed in the lock body 22 through an elastic member 27, the accessory includes a buckle 23, the buckle 23 is provided with a pin, the end of the pin is provided with a latch 3, the locking tongue 1 extends into the buckle 3 to form a locking position, the actuating member is electrically connected to the control unit, and the actuating member can drive the locking tongue 1 to move out of the latch 3 to form an unlocking position; pressing the latch 3 causes the trigger unit to trigger and emit a trigger signal. The structure is suitable for the form of a buckle 23 lock, when the buckle 23 is inserted into the lock body 22, the bolt 1 extends into the lock catch 3 to form a locking position, and the lock catch 3 is pressed to drive the bolt 1 to move oppositely so that the contact points of the two triggers are contacted to realize triggering.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 14, the buckle 23 is provided with two symmetrically arranged pins, the locking unit at least includes two locking tongues 1, the two locking tongues 1 are respectively connected with the contacts of the triggering unit, and pressing the buckle 3 drives at least one locking tongue 1 to move, so that the two contacts of the triggering unit are connected to realize triggering and send out a triggering signal.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 15, the driving member is an electromagnet 25, the electromagnet 25 is disposed between the two lock tongues 1, the lock tongues 1 are made of magnetic materials, and the control unit can control the electromagnet 25 to be powered on or powered off.

In another embodiment of the present invention, as shown in fig. 20, based on the above-mentioned embodiments, the accessory includes a connecting end and a locking end, the locking end of the accessory is provided with a lock catch 3, the locking unit comprises a bolt 1 and a limiter 31, the bolt 1 and the limiter 31 are arranged in the main body, the bolt 1 is hinged with the main body and can rotate along the hinge point, the stopper 31 is fixed on the lower part of the bolt 1, a telescopic limit rod 32 for supporting the bolt 1 is arranged on the stopper 31, one end of the bolt 1 is connected with the limiter 31 through an extension spring 34, the other end can extend into the lock catch 3 to form a locking position, when the limiting rod 32 contracts downwards, the extension spring 34 pulls the bolt 1 downwards to rotate along the hinge point of the bolt and the main body, simultaneously, the accessory moves upwards until the bolt 1 moves out of the lock catch 3 to form an unlocking position; the accessory is pressed down, the lock catch 3 drives the bolt 1 to rotate along the hinge point of the bolt 1 and the main body, and meanwhile, one end, connected with the extension spring 34, of the bolt 1 is lifted to touch the trigger unit, so that the trigger unit triggers and sends out a trigger signal. This structure is suitable for a padlock type.

On the basis of the above embodiment, in another embodiment of the present invention, the stopper 31 is a telescopic cylinder; or the stopper 31 is a rotary telescopic mechanism, and comprises a driving motor, the driving motor is in power connection with the limiting rod 32, and the control unit can control the driving motor to rotate forward and backward and drive the limiting rod 32 to perform telescopic motion.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 8 and 9, the locking unit includes a latch bolt 1 and an actuating element, the accessory includes a locking element and a latch 3 disposed on the locking element, the latch bolt 1 is connected to the actuating element, the latch bolt 1 extends into the latch 3 to form a locking position, and the actuating element can drive the latch bolt 1 to move out of the latch 3 to form an unlocking position.

This configuration is preferably adapted to the form in which the trigger is implemented without a physical structure, such as by powering up a communication interface via the data line 16, but may be adapted to other forms as well.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 9, the locking member is a locking plate, one side of the latch plate 18 is hinged to the main body through a hinge and can rotate along the hinge point, and the other side is provided with the latch 3.

The invention also provides a locking and unlocking method of the anti-dismantling device, which comprises the following steps:

(3) authorization: the control unit sends an unlocking application to the authorization terminal 4 in a wireless communication mode, and the authorization terminal 4 feeds back information to the control unit;

Before unlocking the anti-dismounting device, the anti-dismounting device is triggered through corresponding operation, after the triggering, the control unit communicates with the authorization terminal 4 and obtains unlocking authorization, after the authorization is obtained, the control unit can execute unlocking operation, and then a user can execute the operation of separating the main body and the accessory. Before the control unit is not triggered, the control unit is in a dormant state, and related functions of the lock are not executed, such as authorization application, unlocking operation and the like, the control unit enters an active state after the control unit is triggered, so that all electric quantity consumption related to the functions of the lock can be considered to be zero, energy consumption can be effectively saved, the service life of a product and the market application prospect are improved, the practicability is higher, the safety is higher, and illegal disassembly can be effectively avoided.

On the basis of the above embodiment, in another embodiment of the present invention, the sleep in step (5) refers to completely powering off.

On the basis of the above embodiment, in another embodiment of the present invention, in step (1), before the triggering unit does not perform the triggering operation, the control circuit for controlling the locking unit to operate is an open circuit, and after the triggering unit performs the triggering operation, the control circuit forms an energization loop to implement the triggering; or the triggering in the step (1) enables the trigger switch 2 of the trigger unit to act, the voltage of at least one contact point electrically connected with the control unit on the trigger unit changes, and the trigger signal is transmitted to the control unit.

On the basis of the above embodiment, in another embodiment of the present invention, the anti-tamper device includes a bluetooth communication circuit 12, the authorization terminal 4 is an unlocking authorization management platform, the control unit is in communication connection with a mobile phone terminal 28 through the bluetooth circuit, the mobile phone terminal 28 is in communication connection with the unlocking authorization management platform, and before the step (1), an unlocking authorization for opening the anti-tamper device by a user of the mobile phone terminal 28 is added to the unlocking authorization management platform; the step (2) further comprises an authentication step: the control unit controls to open Bluetooth, establishes communication connection with Bluetooth of the mobile phone terminal 28 in a matching mode, and sends the ID of the anti-dismantling device and a request unlocking authorization to the mobile phone terminal 28, the mobile phone terminal 28 sends the ID of the anti-dismantling device to the unlocking authorization management platform and applies for the unlocking authorization, the unlocking authorization management platform receives the ID of the anti-dismantling device sent by a mobile phone terminal 28 user and inquires whether the mobile phone terminal 28 user has authorization for opening the anti-dismantling device of the ID, if so, the control unit sends the unlocking authorization to the mobile phone terminal 28, and the mobile phone terminal 28 sends the unlocking authorization to the control unit; and if not, the relevant action is not carried out.

The invention also provides another locking and unlocking method of the anti-dismantling device, and the embodiment of the method comprises the following steps:

(2) and (3) judging or unbinding: the control unit checks whether the device is bound with the authorized terminal 4 or not, if yes, the communication circuit 12 is started, the authorized terminal 4 is waited for accessing and the unbinding password is verified, if the verification is passed, the binding is released, and if the verification is not passed, the step (5) is carried out; if not, starting the communication circuit 12, waiting for the terminal to access and check the binding password, if the check is passed, the binding terminal is the authorized terminal 4, after binding, the anti-dismounting device can be operated only by taking the authorized terminal 4 as the only terminal, and if the check is not passed, entering the step (5);

(3) authorization: the control unit sends an unlocking application to the authorization terminal 4, and the authorization terminal 4 feeds back information to the control unit; if the feedback information received by the control unit comprises unlocking authorization, entering the step (4), otherwise, entering the step (5);

In order to facilitate better understanding of the technical scheme of the invention, the invention provides several specific application examples:

application example 1: positioning device

As shown in fig. 2 to 7, the positioner can be used for positioning livestock such as cattle and sheep, and can be used for other purposes, when in use, the puncture needle 7 in the middle of the fixed back plate is inserted into a needle hole in the positioner main body 6 after puncturing the cattle ear, and the lock tongue 1 in the positioner main body 6 locks the circle of lock catch 3 on the needle to prevent the back plate from falling off, so as to fix the positioner. The main part is locator main part 6, the annex includes felting needle 7, hasp 3 and hasp backplate 5, the one end of hasp 3 with hasp backplate 5 links to each other, and the other end is provided with felting needle 7, the locking unit includes spring bolt 1, spring bolt 1 with the driving piece links to each other, hasp 3 is equipped with the locked groove, spring bolt 1 stretches into the locked groove forms the lock position, the driving piece can drive spring bolt 1 contracts the locked groove forms the position of unblock. The locator body 6 is provided with a positioning control module 10, a locking unit and a trigger unit, the positioning control module 10 comprises a control circuit, a positioning circuit 11 and a driving piece, the control circuit and the positioning circuit 11 share the same control unit, the control unit is in communication connection with the authorization management terminal through a communication circuit 12, the trigger unit comprises a trigger switch 2, the trigger switch 2 and the driving piece are electrically connected with the control unit, the trigger switch 2 comprises two contacts, a reset spring 13 and a conductive plate 14 arranged on the reset spring 13, when no external force is applied, the contacts are disconnected, the latch back plate 5 is pushed to drive the puncture needle 7 to move close to the reset spring 13 and press the reset spring 13 to move so that the conductive plate 14 is contacted with the two contacts, and the contacts connected with the control unit generate voltage change after the trigger switch 2 is closed, the voltage change is transmitted to the control unit as a trigger signal, a CPU8 (control unit) in the positioning and control circuit of the wake-up control unit monitors the change, NB-IoT communication (communication module) is started, and authorization for unlocking is applied to an unlocking authorization management platform (authorization terminal 4); if the unlocking is authorized, the CPU8 sends a solenoid 9 (driving member) action signal to retract the bolt 1 for two seconds, and the user can remove the accessory; if the unlocking authorization is not obtained, the action signal of the solenoid 9 is not sent, and the control unit enters a dormant state.

In this embodiment, the control of the lock is embedded in the positioning circuit 11, that is, because the positioning function circuit of the positioning tag is always in operation, only the related functions of the lock, such as application authorization, unlocking operation, etc., are not performed, and thus all the power consumption related to the functions of the lock can be considered as zero. When triggered, the part of the circuit related to the lock function begins to consume electric power (the program run by the MCU, the communication module is started to apply authorization to the platform, the bolt 1 actuates operation, etc.).

Application example 2: temperature recorder

As shown in fig. 8-13, the main body of the temperature recorder is a temperature recorder main body 17, the temperature recorder main body 17 includes a control board 20, a temperature sensor 21, a driving member, a locking unit and a trigger unit, the control board 20 includes a control unit, the trigger unit includes a USB interface 15, the USB interface 15 and the temperature sensor 21 are electrically connected to the control board 20, the control unit is in communication connection with the authorization terminal 4 through the USB interface 15, the USB interface 15 is connected to an external power source through a USB data line 16, and then a power supply voltage appears in a power supply signal in the USB interface signal, and transmits the trigger signal to the control unit, the control unit is electrically connected to the driving member, the accessory includes a latch plate 18 and a latch 3, one side of the latch plate 18 is hinged to the recorder main body through a hinge and can rotate along the hinge point, the other side is provided with the latch 3, the locking unit comprises a bolt 1, the bolt 1 is connected with the driving piece, the bolt 1 extends into the lock catch 3 to form a locking position, and the driving piece can drive the bolt 1 to retract out of the lock catch 3 to form an unlocking position.

The temperature recorder is fixed on the shoulder strap of the distribution box when used for cargo distribution and used for recording the ambient temperature in the distribution process. When the fixing is needed, the accessory is opened, the shoulder strap is placed in the fixing strap groove 19 of the subject, then the accessory is closed, and after the locking, the recorder can only slide on the shoulder strap and can not be opened and removed by external force. When the recorder needs to be dismounted, the USB wire is connected with the recorder and a computer (an authorization terminal 4, also an external power supply) for unlocking authorization is unlocked, power supply voltage appears in a power supply signal in a USB port signal, a control unit is awakened, and a control panel 20 in the temperature recorder applies for unlocking authorization to the computer after detecting the connection of the USB wire; if the lock tongue 1 is retracted if the user is authorized, the lock catch 3 is unlocked, and the user can open the unlocking buckle 18 and dismount the equipment; if the unlocking authorization is not applied, the control panel 20 does not execute the operation of retracting the bolt 1, and the control unit enters a dormant state.

Application example 3: pedometer

As shown in fig. 14 to 19, the pedometer is used for counting steps for the contestants, and the step counting function is implemented inside the controller 24. To prevent cheating by the player taking off the pedometer, the pedometer is designed in the form of a latch 23 lock. The lock divide into eye-splice 23 and lock body 22 two parts, all is provided with the trough of belt and supplies the fixed bracelet of installation for connect the both ends of bracelet. After the bracelet is worn on the wrist, the insertion buckle 23 is inserted into the lock body 22, and the player cannot open the insertion buckle 23 by himself.

The main body of the pedometer is a pedometer main body, the pedometer main body is provided with a lock body 22, the accessories comprise a plug-in buckle 23, the insert 23 is provided with two symmetrically arranged pins, the end of the pin is provided with a lock catch 3, the locking unit at least comprises two lock tongues 1, the lock tongue 1 is fixed in the lock body 22 through an elastic piece 27, two contacts of the trigger are respectively connected with the two lock tongues 1, the control unit is in communication connection with the authorization terminal 4 through the communication circuit 12, the lock tongue 1 extends into the lock catch 3 to form a locking position, the lock catch 3 is pressed to drive the two lock tongues 1 to move towards each other so that two contacts are contacted, and the voltage change of the contact connected with the control unit is caused, the voltage change is transmitted to the control unit as a trigger signal, the driving piece is electrically connected with the control unit, and the driving piece can drive the bolt 1 to retract out of the lock catch 3 to form an unlocking position; the driving piece is an electromagnet 25, the electromagnet 25 is arranged between the two lock tongues 1, the lock tongues 1 are made of magnetic materials, and the control unit can control the electromagnet 25 to be powered on or off; or both the lock body 22 and the insert buckle 23 are provided with a coupling groove for coupling the pedometer main body.

Before the pedometer is used, the pedometer needs to be bound with an authorized mobile phone (an authorized terminal 4) through Bluetooth (a communication module), and the pedometer cannot be operated by other mobile phones after being bound; when the lock needs to be unlocked, the Bluetooth wireless communication is opened through the bound mobile phone (authorization terminal 4) for authorization, the two sides of the buckle 3 are kneaded (the duration time is not more than 5 seconds), so that the trigger acts to trigger the control unit to wake up and open the Bluetooth, the unlocking authorization is requested to the bound mobile phone through the Bluetooth, the controller 24 (control unit) controls the bolt 1 actuating mechanism to retract the two bolts 1 after the authorization is obtained, and at the moment, the inserting buckle 23 can be pulled out from the lock body 22 to unlock the lock.

Binding and unbinding program steps: the bolt 1 is kneaded for more than 5 seconds, and the controller 24 (control unit) is triggered to enter a binding mode; the controller 24 checks whether the current equipment is bound or not, if the equipment is bound, the Bluetooth communication is started, the authorized equipment is waited for accessing and the binding removing password is verified, if the authorized equipment is accessed, the binding is removed, and if the authorized equipment is not accessed, the operation is finished; if the mobile phone is not bound, starting Bluetooth communication, waiting for the mobile phone to access and checking the binding password, and binding the mobile phone as an authorization device if the checking is passed.

The working process of the anti-detachment pedometer in the one-time use process is explained in the following steps:

1. ready for the tamper-proof pedometer, the shackle 23 and lock body 22 are in a disengaged state, with no authorized equipment bound. Both the bound password and the unbound password are 1234.

2. The insert buckle 23 is inserted into the lock body 22, the part of the lock catch 3 on the insert buckle 23 extrudes the lock tongue 1, the contact of the trigger is driven to be connected, then the controller 24 is triggered, the controller 24 opens the Bluetooth communication, and the Bluetooth access of the mobile phone is waited. At the moment, the Bluetooth communication of the mobile phone A is opened, the Bluetooth device of the anti-detachment pedometer is searched and connected, the binding password 1234 printed on the packaging box of the pedometer is input, the pedometer receives and verifies successfully, and then the pedometer stores the mobile phone A as the binding device. And displaying the step number of the pedometer to be 0 in the user interface of the mobile phone A.

3. The state in which the shackle 23 is completely inserted into the lock body 22 is as follows. The athlete starts to move by wearing the pedometer.

4. After the athlete finishes the sport, the athlete returns to the staff and prepares to dismount the pedometer. The employee turns on cell phone a ready to connect to the pedometer, starts searching for the pedometer by bluetooth, clicks "unlock" for the pedometer to request authorization for unlocking, and then quickly pinches the exposed portions of the tabs 23 on both sides of the lock body 22 with the fingers. The trigger acts to wake up the controller 24, then the controller 24 turns on the Bluetooth, the Bluetooth of the mobile phone A accesses the pedometer, then the controller 24 asks for unlocking authorization from the mobile phone, and because the previous worker operates at the mobile phone end, the controller 24 successfully obtains the authorization, sends an action signal to the electromagnet 25 and attracts the two lock tongues 1; in addition, the step number of the pedometer in the user interface of the mobile phone is 10000 steps, and the operation of clearing the data is executed after the step number is recorded.

5. The electromagnet 25 has fully engaged the bolt 1 and the shackle 3 can be extracted.

6. The inserting buckle 23 is drawn out, the controller 24 stops after sending the tongue 1 actuating signal 2s, then the tongue 1 pops up, and the controller 24 enters a dormant state.

Application example 4: internet of things padlock

As shown in fig. 20 to 23, in the internet of things padlock, the main body is a lock body 30, the accessory is a lock beam 29, the connecting end of the lock beam 29 is connected with the lock body 30 through a compression spring 33, the locking end of the lock beam 29 is provided with a lock catch 3, the locking unit includes a lock tongue 1 and a stopper 31, the lock tongue 1 and the stopper 31 are arranged in the lock body 30, the lock tongue 1 is hinged with the lock body 30 and can rotate along the hinged point, the stopper 31 is fixed at the lower part of the lock tongue 1, the stopper 31 is provided with a telescopic stopper rod 32 for supporting the lock tongue 1, one end of the lock tongue 1 is connected with the stopper 31 through an extension spring 34, the other end of the lock tongue 1 can extend into the lock catch 3 to form a locking position, a control circuit and a communication circuit 12 are arranged in the lock body 30, the trigger unit includes a trigger, the trigger is arranged in the control circuit and electrically connected with the control unit, push down the lock beam 29, hasp 3 drives when spring bolt 1 rotates along its hinge point with lock body 30, spring bolt 1 is connected with the one end of extension spring 34 and rises the touching the trigger and trigger the trigger switch 2 of trigger is closed, and then control circuit forms the circular telegram return circuit, the control unit with authorize terminal 4 passes through communication circuit 12 communication connection, when gag lever post 32 contracts downwards extension spring 34 stimulates downwards spring bolt 1 rotates along its hinge point with lock body 30, simultaneously compression promotes lock beam 29 upward movement until spring bolt 1 withdraws from lock 3 forms the position of separating the lock.

The unlocking operation of the padlock is completed by the padlock, authentication operation is required before unlocking is performed, and the steps are as follows:

1. adding unlocking authorization for opening a certain ID lock by a mobile phone user A on an unlocking authorization management platform;

2. starting Bluetooth communication, establishing connection with a mobile phone, and sending the ID of the lock and a claim unlocking password to the mobile phone;

3. establishing a contact between the mobile phone and an unlocking authorization management platform, sending a lock ID to the management platform, and applying for an unlocking password;

4. the management platform receives the ID of the lock sent by the mobile phone A, inquires that the mobile phone A has the authorization of opening the ID lock, and then sends an unlocking password to the mobile phone A;

5. the mobile phone A sends the unlocking password to the lock, the lock verifies the unlocking password, and if the verification is successful, the limiting stopper 31 is controlled to enter an unlocking position, the lock tongue 1 moves under the tension of the spring, and the limitation on the lock catch 3 is removed; the lock beam 29 is tripped out under the elastic force of the spring, and the unlocking is successful.

Since the lock is self-powered, all power is turned off in the locked state. When the user needs to unlock, the strike 29 is depressed for 2 seconds, causing the bolt 1 to flip over and trigger the trigger, starting the control circuit. The control circuit executes authentication operation after being started. The trigger, the limiter 31 and the Bluetooth circuit are connected with the control circuit, and the power supply of the control circuit is disconnected in a non-operation state. The trigger is a spring switch which causes the trigger switch 2 to close when the bolt 1 is turned over, and the switch switches on the power supply of the control circuit. After the control circuit is powered on, the power supply self-locking circuit is started to ensure that the circuit is powered on when the switch is disconnected, whether the duration time of the switch reaches 2 seconds is judged, if yes, the unlocking is judged to be executed, then the Bluetooth communication is started immediately, and an unlocking password which is accessed and sent by the Bluetooth of the mobile phone is waited; after the password is successfully received and verified, the controller 24 controls the stopper 31 to act, the motor of the stopper 31 rotates to withdraw the stopper, meanwhile, the lock catch 3 slowly enters the unlocking position under the action of the spring tension, and the lock beam 29 can be pulled out after the lock catch 3 completely enters the unlocking position; after the limiting stopper 31 enters the unlocking position for 2 seconds, the controller 24 controls the limiting stopper 31 to act, the motor of the limiting stopper 31 rotates reversely to extend out of the limiting stopper, and the lock catch 3 is slowly pushed into the locking position. When the padlock is restarted, only the lock body 30 of the lock beam 29 needs to be folded, the lock tongue 1 triggers the trigger when the lock beam 29 is pressed, the time lasts for a short time and does not exceed 2 seconds, therefore, the control circuit does not judge the action as an unlocking instruction, and the power supply of the control circuit is turned off immediately by turning off the power supply self-locking circuit.

The spring (compression spring 33) of strike 29 is not required per se and when bolt 1 is open, the user can manually pull strike 29 out without the spring being required to eject it.

The one-time use process of the padlock of the Internet of things is explained in the following steps:

1. when the padlock is in the locked state, the catch beam 29 is pressed down and the trigger is triggered for more than 2 seconds. Before this, a lock with a lock ID of SUO is added on the unlocking authorization management platform, the password of the lock is password, and the account of the USER name USER is authorized to be unlocked.

2. The control circuit is electrified to operate, the duration time of the trigger switch 2 is measured to exceed 2 seconds, and the Bluetooth is started. The USER opens the mobile phone APP, the Bluetooth connection is established with the padlock, and the APP uses the USER name USER to log in the unlocking authorization management platform; the padlock sends the lock ID to the mobile phone: SUO, the mobile phone sends the ID to the platform, the platform inquires that the lock is allowed to be opened by the USER USER, and then the unlocking password is sent to the mobile phone; the handset sends this code to the padlock.

3. The controller 24 of the padlock verifies that the password is correct, then the limiting stopper 31 is controlled to act, the motor rotates to withdraw the limiting stopper, meanwhile, the lock catch 3 slowly enters the unlocking position under the action of the spring tension, and after the lock catch 3 completely enters the unlocking position, the lock beam 29 is ejected under the action of the spring force.

4. After the stopper 31 enters the unlocking position for 2 seconds, the controller 24 controls the motor of the stopper 31 to rotate reversely to extend out of the stopper, and the lock catch 3 is slowly pushed into the locking position.

The internet of things lock body 22 is internally integrated with a battery, a circuit diagram of the internet of things lock body is shown in fig. 23, and when the lock is not pressed to trigger, the circuit in the lock is not electrified; when the lock is pressed, the trigger switch 2 is closed, V + is powered, VBUS is powered, the circuit is powered, the MCU starts to operate and immediately applies an Output signal to the power supply maintaining circuit 35, the power supply maintaining circuit 35 is turned on, and the + pole of the battery is connected to VBUS, so that the power is also supplied even when the trigger switch 2 is turned off. The whole circuit keeps the power-on state under the maintenance of an Output signal of the MCU, the MCU executes a control program for unlocking, meanwhile, the V + position of the trigger switch 2 is sent to an Input pin of the MCU to detect the state of the trigger switch 2, the Input pin is in a low level state when the trigger switch 2 is switched off, the Input pin is in a high level state when the trigger switch 2 is switched on, and the MCU judges the duration time of the trigger switch 2 by calculating the duration time of the signal. After the MCU program is executed, the Output signal is cancelled, so that the power supply maintaining circuit 35 is turned off, and if the trigger switch 2 is also turned off, the VBUS point loses power, and the power supply of the whole circuit is turned off, so that only very weak leakage current exists in the circuit, and the electric quantity of the battery is retained to the maximum.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A device capable of preventing disassembly is characterized by comprising a main body and an accessory, wherein the main body comprises a locking unit, a control unit and a trigger unit, the control unit comprises a communication module, the accessory at least comprises a lock catch, the lock catch and the locking unit are matched for use and can lock the accessory on the main body, the locking unit is provided with a locking position and an unlocking position, when the accessory is combined with the main body, the lock catch is limited by the locking unit positioned at the locking position and realizes locking, and when the locking unit is positioned at the unlocking position, the locking unit is in the unlocking state; the control unit is electrically connected with the locking unit and the trigger unit, the control unit passes through the communication module can be in communication connection with a preset authorization terminal, the control unit receives the trigger signal of the trigger unit and then communicates with the authorization terminal and applies for unlocking to the authorization terminal, the authorization terminal feeds back information to the control unit, if the feedback information received by the control unit comprises unlocking authorization, the control locking unit enters an unlocking position, if the feedback information received by the control unit does not comprise the unlocking authorization, the locking unit is maintained at the locking position.

2. The tamper-evident device of claim 1, wherein the trigger unit is disposed inside the body, the trigger unit includes a trigger switch, the trigger switch includes at least two contacts, one of the contacts is electrically connected to the control unit, the other contact is connected to an internal voltage source of the tamper-evident device, the accessory and the body perform relative movement to effect the on/off of the trigger switch, the on/off of the trigger switch causes a voltage change at the contact connected to the control unit, and the voltage change is transmitted to the control unit as a trigger signal.

3. A tamper-evident device in accordance with claim 1, wherein the tamper-evident device comprises a main functional module in which a control circuit for controlling the action of the locking unit is embedded, the control circuit sharing the same control unit as the main functional module.

4. The tamper-evident device of claim 1, wherein the control circuit for controlling the operation of the locking unit is open before the triggering unit performs the triggering operation, and the control circuit forms a power-on loop after the triggering operation of the triggering unit and triggers the control unit to operate.

5. The tamper-evident device of claim 2, wherein the trigger switch includes two contacts, a return spring, and a conductive plate disposed on the return spring, wherein urging the return spring to move causes the conductive plate to contact the two contacts, and wherein the trigger switch is closed.

6. The tamper-evident device of claim 1, wherein the trigger unit comprises a signal interface, the signal interface comprises at least a power signal, the signal interface is electrically connected to the control unit, and the signal interface is connected to an external power source via a data line such that the power signal generates a power voltage and transmits the power voltage as the trigger signal to the control unit.

7. The device of any one of claims 1 to 5, wherein the locking unit comprises a lock tongue and a driving member, the lock tongue is connected with the driving member, the driving member is electrically connected with the control unit, the accessory comprises a puncture needle, a lock catch and a lock catch back plate, one end of the lock catch is connected with the lock catch back plate, the puncture needle is arranged at the other end of the lock catch, the lock catch is provided with a lock groove, the lock tongue extends into the lock groove to form a locking position, the driving member can drive the lock tongue to move out of the lock groove to form an unlocking position, and the lock catch back plate is pushed to enable the accessory and the main body to move in opposite directions and can drive the puncture needle to move so that the trigger unit triggers and sends out a trigger signal.

8. The tamper-proof device according to any one of claims 1 to 5, wherein the main body comprises a lock body, the locking unit comprises a locking tongue and a driving member, the locking tongue is connected with the driving member, the locking tongue is fixed in the lock body through an elastic member, the accessory comprises a buckle, the buckle is provided with a pin, the end of the pin is provided with a lock catch, the locking tongue extends into the lock catch to form a locking position, the driving member is electrically connected with the control unit, and the driving member can drive the locking tongue to move out of the lock catch to form an unlocking position; pressing the latch causes the trigger unit to trigger and emit a trigger signal.

9. The device as claimed in any one of claims 1 to 5, wherein the accessory comprises a connecting end and a locking end, the locking end of the accessory is provided with a lock catch, the locking unit comprises a lock tongue and a stopper, the lock tongue and the stopper are arranged in the main body, the lock tongue is hinged with the main body and can rotate along the hinge point, the stopper is fixed at the lower part of the lock tongue, a telescopic stopper rod for supporting the lock tongue is arranged on the stopper, one end of the lock tongue is connected with the stopper through an extension spring, the other end of the lock tongue can extend into the lock catch to form a locking position, when the stopper rod contracts downwards, the extension spring pulls the lock tongue downwards to rotate along the hinge point of the lock tongue and the main body, and meanwhile, the accessory moves upwards until the lock tongue moves out of the lock catch to form an unlocking position; the accessory is pressed downwards, the lock catch drives the spring bolt to rotate along the hinge point of the spring bolt and the main body, and meanwhile, one end of the spring bolt connected with the extension spring is lifted to touch the trigger unit, so that the trigger unit triggers and sends out a trigger signal.

10. The tamper-evident device of any one of claims 3 to 6, wherein the locking unit comprises a latch and a driving member, the accessory comprises a locking member and a latch disposed on the locking member, the latch is connected to the driving member, the latch extends into the latch to form a locking position, and the driving member drives the latch to move out of the latch to form an unlocking position.

11. A method of locking and unlocking a tamper-evident device, comprising the steps of:

(4) unlocking or maintaining locking: if the feedback information received by the control unit comprises unlocking authorization, controlling the locking unit to enter an unlocking position, and if the feedback information received by the control unit does not comprise unlocking authorization, maintaining the locking unit at the locking position;

12. The method for locking and unlocking a tamper-evident device according to claim 11, wherein in the step (1), before the triggering unit does not perform the triggering operation, the control circuit for controlling the operation of the locking unit is an open circuit, and after the triggering unit performs the triggering operation, the control circuit forms an energized loop to perform the triggering; or the triggering in the step (1) enables the trigger switch of the trigger unit to act, the voltage of at least one contact point electrically connected with the control unit on the trigger unit changes, and the trigger signal is transmitted to the control unit.

13. The method according to claim 11 or 12, wherein the tamper-resistant device includes a bluetooth communication circuit, the authorization terminal is a tamper authorization management platform, the control unit is in communication connection with a mobile phone terminal through the bluetooth circuit, the mobile phone terminal is in communication connection with the tamper authorization management platform, and the step (1) is preceded by adding a tamper authorization for opening the tamper-resistant device by a user of the mobile phone terminal on the tamper authorization management platform; the step (2) further comprises an authentication step: the control unit controls to open Bluetooth, establishes communication connection with Bluetooth of the mobile phone terminal in a matching mode, and sends the ID of the anti-dismantling device and a request unlocking authorization to the mobile phone terminal, the mobile phone terminal sends the ID of the anti-dismantling device to the unlocking authorization management platform and applies for the unlocking authorization, the unlocking authorization management platform receives the ID of the anti-dismantling device sent by a mobile phone terminal user and inquires whether the mobile phone terminal user has authorization for opening the anti-dismantling device with the ID, if yes, the control unit sends the unlocking authorization to the mobile phone terminal, and the mobile phone terminal sends the unlocking authorization to the control unit; and if not, the relevant action is not carried out.

14. A method of locking and unlocking a tamper-evident device, comprising the steps of:

(3) authorization: the control unit sends an unlocking application to the authorization terminal, and the authorization terminal feeds back information to the control unit; if the feedback information received by the control unit comprises unlocking authorization, entering the step (4), otherwise, entering the step (5);