CN111877883A - An electronic lock mechanism for an electronic stop sign - Google Patents

Abstract

The invention discloses an electronic lock mechanism of an electronic station sign, belonging to the field of public facilities. It includes a box body and a box door. The lock mechanism includes a first state and a second state. When the lock mechanism is in the first state, the lock hook assembly In cooperation with the fastener lock, when the lock mechanism is in the second state, the lock hook assembly is separated from the fastener; the electromagnet and the magnetic attraction block are respectively placed in the cavity and the box door, and the electromagnet is electrically connected to the external power supply equipment The induction board is installed on the box body, and the electronic control unit is electrically connected with the locking mechanism, the external power supply equipment and the induction board respectively. The door is difficult to open, and the locked state of the box door cannot be monitored.

Description

An electronic lock mechanism for an electronic stop sign

technical field

The invention relates to the field of public facilities, in particular to an electronic lock mechanism of an electronic stop sign.

Background technique

At present, with the development of urbanization, the application of electronic stop signs has become more and more extensive. The current electronic stop signs can make full use of the bus vehicle GPS arrival data of the bus intelligent dispatching management system, and establish a bus arrival forecast system through technical docking. , to release the real-time arrival information of all bus vehicles passing through the line and provide real-time and accurate vehicle arrival forecast for passengers.

In order to achieve the above effect, a large number of electronic devices need to be installed in the electronic stop sign. In order to prevent theft, an anti-theft lock will be set between the box body and the door of the electronic stop sign. Most of the electronic stop signs in the market now use traditional It is not very convenient to open and close the door. For the purpose of dustproof and waterproof outdoor electronic stop signs, there is usually a rubber strip at the joint between the door and the box body. After the door is locked, there is a certain elastic force in the direction of opening the door. Generally, electronic locks are difficult to use. The door can be opened, and the lock state of the box door cannot be monitored in the background.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present invention is to provide an electronic lock mechanism for an electronic station sign, which can solve the difficulty of opening the electronic station sign box door and the tightness of the box door through the interaction among the locking mechanism, the magnetic attraction component and the induction component. Status cannot be monitored.

For achieving the above object, the present invention adopts the following technical solutions:

An electronic lock mechanism for an electronic stop sign comprises a box body and a box door, a hollow cavity is formed in the box body, an opening communicated with the cavity is opened on one side of the box body, and the box door is One side of the box is hinged to the box body and can swing back and forth between opening and closing the opening, and also includes a locking mechanism, the locking mechanism includes a lock hook assembly disposed in the cavity and a lock hook assembly disposed in the cavity. The fastener of the box door, the lock mechanism includes a first state and a second state, when the lock mechanism is in the first state, the lock hook assembly is locked with the fastener, and when the lock The buckle mechanism is in the second state, and the lock hook assembly is separated from the buckle; the magnetic suction assembly includes a magnetic suction block and an electromagnet, and the electromagnet is separated from the magnetic suction block. In the cavity and the box door, the electromagnet is electrically connected to an external power supply device; an induction assembly, the induction assembly includes an induction plate, an induction magnet and a Hall sensor, and the induction plate is installed in the box body, the induction magnet and the hall sensor are respectively placed in the cavity and the box door; an electric control unit, the electric control unit is respectively connected with the locking mechanism, the external power supply equipment, the The Hall sensor and the sensing board are electrically connected.

Further, the lock hook assembly includes an electromagnet device and a rotating lock hook for locking and hooking the box door, the electromagnet device is electrically connected with the electronic control unit, and the electromagnet device has an electromagnetic shell a body and an electromagnet core that can approach or move away from the electromagnet housing in the vertical direction; the first end of the rotating lock hook is close to the opening and forms a hook body for matching with the fastener, so The second end of the rotating lock hook extends away from the opening and is pivotally connected with the electromagnet core, and the first end and the second end of the rotating lock hook are pivotally connected to the wall surface of the cavity .

Further, the lock hook assembly further includes a reset tension spring, one end of the reset tension spring is hung on the first end of the rotation lock hook, and the other end of the reset tension spring is located at the lower part of the rotation lock hook and It is hung on the wall surface of the cavity, and a downward pulling force is continuously applied to the first end of the rotating lock hook.

Further, the lock hook assembly further includes a manual lock and a lock tongue, the manual lock is arranged on the box body, one end of the manual lock forms a manual trigger end, and the other end of the manual lock movably penetrates the cavity The lock tongue is arranged on the side of the cavity close to the second end of the rotating lock hook, and the manual lock is triggered by moving, so that the lock tongue can be close to the contact Press or move back and forth between releasing the second end of the rotating lock hook.

Further, the lock hook assembly further includes a support plate, the support plate is arranged on the wall surface of the cavity and forms a accommodating cavity with the wall surface of the cavity, and the rotating lock hook is movably placed on the cavity. accommodating cavity.

Further, the support plate is provided with an opening limit shaft and a door closing limit shaft on one side of the accommodating cavity, the opening limit shaft is arranged on the upper part of the first end of the rotating lock hook, the The door closing limit shaft is arranged at the lower part of the first end of the rotating lock hook; when the locking mechanism is in the first state, the rotating locking hook abuts against the door closing limit shaft, when the locking mechanism is in the first state In the second state, the rotating lock hook abuts against the door opening limiting shaft.

Further, a travel switch is also arranged in the accommodating cavity, the travel switch is arranged at the lower part of the second end of the rotating lock hook and is electrically connected with the electronic control unit, and the travel switch has a Trigger the trigger spring of the travel switch; when the lock hook mechanism is in the first state, the rotating lock hook is away from the trigger spring, and when the lock hook mechanism is in the second state, the rotation lock hook is close to the pressing the trigger shrapnel.

Further, a through hole is formed on the magnetic attraction block, and an ejector component is arranged in the through hole.

Further, the ejector assembly includes a top block and a spring, the hole wall at one end of the through hole away from the box door is provided with a boss, and the outer periphery of the top block is provided with a clip that can abut against the boss. When the card platform is in contact with the boss, the top block protrudes from the surface of the magnetic block, the spring is arranged between the top block and the box door, and the spring is The opposite ends are respectively abutted against the top block and the box door.

The beneficial effects of the present invention are as follows: the electronic control unit is electrically connected with the locking mechanism, the external power supply equipment and the induction board respectively. When the body is continuously powered, the operator can trigger the induction board to send the corresponding trigger signal to the electronic control unit, so that the electronic control unit converts the trigger signal into the corresponding control signal and transmits the control signal to the locking mechanism , when the locking mechanism switches from the first state to the second state, the electronic control signal will also transmit the control signal to the external power supply equipment, so that the external power supply equipment stops the power supply to the electromagnet, so that the box door can be opened smoothly. The problem that the box door is difficult to open when the traditional electronic stop sign adopts the electronic lock, at the same time, even in the case of a power failure, the locking mechanism can still be kept in the first state, so that the box door can be tightly locked on the box body, which is safe and reliable. It is very convenient to realize the opening and closing of the box door. The induction board can be set to infrared induction or card swiping induction, which is convenient for the operator to operate. By connecting the background equipment with the electronic control unit, the opening and closing status of the box door can also be better controlled. Carry out monitoring, improve the safety factor of electronic stop signs, and avoid the original hidden dangers.

Description of drawings

The present invention will be described in further detail below according to the accompanying drawings and embodiments.

Fig. 1 is one of the schematic diagrams of the overall structure of the electronic lock mechanism of the electronic stop sign of the present invention;

Fig. 2 is the second schematic diagram of the overall structure of the electronic lock mechanism of the electronic stop sign of the present invention;

Fig. 3 is the enlarged view of A part of Fig. 2;

FIG. 4 is a schematic diagram of a cross-sectional structure of a magnetic attraction block of the present invention;

5 is an exploded view of the lock hook assembly of the present invention;

6 is a schematic diagram of the overall structure of the lock hook assembly of the present invention;

Fig. 7 is the front sectional view of the electronic lock mechanism of the electronic station sign of the present invention;

FIG. 8 is a cross-sectional view taken along the line A-A in FIG. 7 .

In the figure: 10, box body; 11, cavity; 12, opening; 20, box door; 30, lock hook assembly; 31, electromagnet device; 311, electromagnet core; 32, rotating lock hook; 321, hook body 322, pressing rod; 323, rotating gasket; 324, limit piece; 33, reset tension spring; 34, support plate; 341, accommodating cavity; 342, opening limit shaft; 343, closing limit shaft; 35, travel switch; 351, trigger shrapnel; 40, fastener; 50, magnetic block; 51, through hole; 511, boss; 52, top block; 521, card table; 53, spring; 60, electromagnet; 70, induction plate; 80, manual lock; 81, lock tongue; 82, manual trigger end; 90, Hall sensor; 91, induction magnet.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention are described in further detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

As shown in FIG. 1-FIG. 3, in order to facilitate the opening of the door 20 of the electronic stop sign and improve the state monitoring of the electronic stop sign, the present embodiment provides an electronic lock mechanism for the electronic stop sign, which includes a box body 10 And the box door 20, the box body 10 is used as the supporting body of the electronic station sign, and a hollow cavity 11 is formed inside it. In the actual application process, the cavity 11 is used to install the electronic equipment required for the electronic station sign to realize its function. , it is also possible to replace the stop sign information or advertisements of the electronic stop sign on the rear side of the box door 20 after opening the box door 20. One side of the box body 10 is provided with an opening 12 that communicates with the cavity 11, so as to facilitate the electronic In the disassembly and assembly of the equipment and the maintenance of the electronic station sign, one side of the box door 20 is hinged to the box body 10 through the hinge piece, and can swing back and forth between the opening and closing of the opening 12 with the hinge piece as the rotation axis.

The electronic lock mechanism of the electronic stop sign also includes a lock mechanism for keeping the box door 20 closed or opened. The lock mechanism includes a lock hook assembly 30 arranged in the cavity 11 and a fastener 40 arranged on the box door 20. Specifically, Yes, the lock mechanism includes a first state and a second state. When the lock mechanism is in the first state, the lock hook assembly 30 is locked with the fastener 40 to close the box door 20 and lock the closed opening 12. When the lock mechanism In the second state, the lock hook assembly 30 and the fastener 40 are separated, so that the box door 20 can swing relative to the box body 10 at will. The specific structure of the lock hook assembly 30 and the fastener 40 is not limited here. The assembly 30 and the fastener 40 can cooperate with each other to lock or be separated from each other.

A magnetic assembly for keeping the box door 20 and the box 10 stably in a closed state, the magnetic assembly includes a magnetic block 50 and an electromagnet 60 , and the electromagnet 60 and the magnetic block 50 are located in the cavity 11 opposite to each other. And the box door 20, the electromagnet 60 is electrically connected with the external power supply equipment, in this example, the electromagnet 60 is arranged in the cavity 11, and the corresponding magnetic block 50 is arranged in the box door 20, the purpose is to facilitate The installation of the electromagnet 60 , when the external power supply device continues to supply power to the electromagnet 60 , the electromagnet 60 has magnetism and can make the magnetic block 50 adsorb on the electromagnet 60 . When the external power supply device is disconnected from the electromagnet 60 , the electromagnet 60 The magnetism disappears, so that the magnetic block 50 can be separated from the electromagnet 60. Specifically, the above-mentioned external power supply equipment can use the power source connected to the electronic station sign itself or an external power supply outside the electronic station sign.

An induction assembly that provides control signals for the locking mechanism and the magnetic attraction assembly. The induction assembly includes an induction plate 70 and an electronic control unit. The induction plate 70 is installed on the outside of the box body 10 and can be set as an infrared induction device or a card-swiping induction device. The unit is electrically connected with the locking mechanism, the external power supply device and the induction board 70 respectively. During the implementation of this solution, the locking mechanism is in the first state, that is, the box door 20 is locked with the box body 10, and the external power supply device is in the electromagnetic state. When the body 60 is continuously powered, the operator can trigger the induction plate 70 to make the induction plate 70 send the corresponding trigger signal to the electronic control unit, so that the electronic control unit converts the trigger signal into a corresponding control signal and transmits the control signal to the electronic control unit. The locking mechanism, when the locking mechanism is switched from the first state to the second state, the electronic control signal will also transmit the control signal to the external power supply device, so that the external power supply device stops the power supply to the electromagnet 60 and allows the box door 20 It can be opened smoothly, solving the problem that the box door 20 is difficult to open when the traditional electronic stop sign adopts an electronic lock. At the same time, even in the case of a power failure, the locking mechanism can still be kept in the first state, so that the box door 20 can be tightly locked in the box. On the body 10, it is safe and reliable, and the opening and closing of the box door 20 can be realized very conveniently. By connecting the background equipment with the electronic control unit, the opening and closing status of the box door 20 can be better monitored, and the electronic station sign can be improved. safety factor to avoid the original safety hazards.

As shown in FIG. 5-FIG. 6, further, the lock hook assembly 30 includes an electromagnet device 31 and a rotating lock hook 32 for the lock hook box door 20. The electromagnet device 31 is electrically connected with the electronic control unit, and the electromagnet device 31 has an electromagnet housing and an electromagnet core 311 which can be vertically approached or away from the electromagnet housing, so that the electronic control unit can drive and control the electromagnet core 311 to reciprocate in the direction of approaching and away from the electromagnet device 31 . In this example, the box body 10 has a cuboid structure, the opening 12 is opened on one side surface of the box body 10, and the rotating lock hook 32 is arranged on the other side wall arranged at a right angle to the opening 12, and is parallel to the side wall, The first end of the rotating lock hook 32 is close to the opening 12 and forms a hook body 321 for matching with the fastener 40, and the fastener 40 is a rod-shaped structure for the hook body 321 to be hooked. The end extends away from the opening 12 and is pivotally connected with the electromagnet core 311. The first end and the second end of the rotating lock hook 32 are pivotally connected to the wall surface of the cavity 11, and the electromagnet device 31 is controlled by the electronic control unit. The electromagnet core 311 is moved back and forth in the vertical direction to drive the rotating lock hook 32 to swing around its own pivot point, so as to switch between the first state and the second state. When the electromagnet core 311 rises, the hook body 321 is The hooking fastener 40 will be turned downward, and when the electromagnet core 311 is lowered, the hook body 321 will rise and disengage from the fastener 40 .

In order to ensure that the box door 20 can be automatically reset by rotating the lock hook 32 after being unlocked and separated from the box body 10, so as to prevent the box body 10 from being unable to be re-locked when the box door 20 is closed, the lock hook assembly 30 further includes a reset tension spring 33, and one end of the reset tension spring 33 Hanging on the first end of the rotating lock hook 32 , the other end of the return tension spring 33 is located at the lower part of the rotating lock hook 32 and is hung on the wall surface of the cavity 11 , and the first end of the rotating lock hook 32 is continuously applied downward. The pulling force keeps the rotating lock hook 32 in the first state without the application of external force, so that the hook body 321 can be more stable during the process of hooking the fastener 40 and prevent the box door 20 from falling out of the box body 10 .

As shown in FIGS. 7-8 , in order to prevent the box door 20 from being unable to be unlocked in the event of a power failure, the lock hook assembly 30 further includes a manual lock 80 and a lock tongue 81 . The trigger end 82, the trigger end can be set as a lock hole or a twist lock and other components that can manually open the lock, and the other end of the manual lock 80 can move through the cavity 11 and is connected with the lock tongue 81, and the lock tongue 81 is arranged on the The side of the cavity 11 close to the second end of the rotating lock hook 32 is moved to trigger the manual lock 80, so that the lock tongue 81 can move back and forth between the second end that is close to the pressing or away from the second end of the releasing rotating lock hook 32. When the power is off or the electronic station sign is not working, the manual lock 80 can be driven by operating the trigger section, and the lock tongue 81 will be rotated by turning the lock hook 32 to open the box door 20 .

In order to improve the overall installation stability of the lock hook assembly 30, the lock hook assembly 30 further includes a support plate 34. The support plate 34 is disposed on the wall surface of the cavity 11 and forms a accommodating cavity 341 with the wall surface of the cavity body 11. 32 is movably placed in the accommodating cavity 341. The side wall of the cavity 11 and the support plate 34 jointly support the rotating lock hook 32. In this example, a pivot hole is formed in the middle of the rotating lock hook 32, and a rotating pad is arranged in the pivot hole. The thickness of the rotating gasket 323 is slightly larger than the thickness of the rotating lock hook 32 to ensure that the rotating lock hook 32 can rotate flexibly in the accommodating cavity 341 without being stuck or offset. In order to further limit the movement of the rotating lock hook 32 A limiting piece 324 is arranged between the rotating lock hook 32 and the side wall of the cavity 11 , so that the rotating locking hook 32 can rotate within the limiting piece 324 . Since the rotating lock hook 32 is installed on the side closer to the support plate 34 , the other end of the return tension spring 33 in this example is also hung on the side of the support plate 34 close to the accommodating cavity 341 .

Further, the support plate 34 is provided with a door opening limit shaft 342 and a door closing limit shaft 343 on one side of the accommodating cavity 341 , the door opening limit shaft 342 is arranged on the upper part of the first end of the rotating lock hook 32 , and the door closing limit shaft 343 The rotating lock hook 32 can only rotate between the door closing limit shaft 343 and the door opening limit shaft 342 . When the locking mechanism is in the first state, the rotating locking hook 32 abuts against the door closing limit shaft 343 , and when the locking mechanism is in the second state, the rotating locking hook 32 abuts against the door opening limit shaft 342 to prevent the rotating locking hook 32 from moving. Exceeding the range will cause damage to the locking mechanism.

In order to make the box door 20 easier to open, a travel switch 35 is also arranged in the accommodating cavity 341. The travel switch 35 is arranged at the lower part of the second end of the rotating lock hook 32 and is electrically connected with the electronic control unit. On the trigger elastic piece 351 of the trigger stroke switch 35, in this example, a pressing rod 322 protrudes outward from the connection point where the second end of the rotating lock hook 32 is connected with the electromagnet core 311. The pressing rod 322 is used for When the second end of the rotating lock hook 32 moves toward the triggering elastic piece 351 , the triggering elastic piece 351 is pressed. When the lock hook mechanism is in the first state, the rotating lock hook 32 is away from the trigger spring 351. When the lock hook mechanism is in the second state, the rotating lock hook 32 is close to the pressing trigger spring 351. In the actual application of this solution, when the operator triggers the trigger When the induction plate 70 and the electromagnet device 31 pulls the electromagnet core 311 to move downward, the second end of the rotating lock hook 32 will move downward with the electromagnet core 311 , so that the hook body 321 at the first end of the rotating lock hook 32 will move downward. The latch 40 is disengaged upward, so that the latch mechanism is switched from the first state to the second state. During this process, the second end of the rotating lock hook 32 will move toward the direction close to the trigger spring 351 and press the trigger spring 351 . The travel switch 35 is triggered, and then the switch is formed to transmit the trigger signal to the electronic control unit, and the electronic control unit converts the trigger signal into a corresponding control signal and transmits it to the external power supply device, so that the external power supply device stops the electromagnetic interference. The body 60 is powered to make the electromagnet 60 lose its magnetism. In this way, the locking mechanism and the magnetic attraction assembly will be released from the restriction of the box door 20 at the same time, so that the box door 20 can be in a free swing state, and the box door 20 can be opened more easily. Stable and convenient.

As shown in FIG. 4 , further, a through hole 51 is formed on the magnetic block 50 , and an ejector assembly is arranged in the through hole 51 , and the ejector assembly can move the box door 20 away from the box at the moment when the electromagnet 60 loses its magnetism The direction of the body 10 springs open. In this example, a spacer is also provided between the magnetic block 50 and the box door 20, which is convenient for the installation of the magnetic block 50 and the ejector assembly, and can prevent the lock mechanism from returning to the first state by mistake. When the box door 20 is re-locked, the box door 20 is automatically opened to facilitate the operator to perform subsequent operations.

Specifically, the ejector assembly includes a top block 52 and a spring 53, a boss 511 is provided on the hole wall of one end of the through hole 51 away from the box door 20, and a clamping platform 521 is provided on the outer periphery of the top block 52 that can abut against the boss 511, When the clamping table 521 and the boss 511 are in contact, the top block 52 protrudes from the surface of the magnetic attraction block 50 , the spring 53 is arranged between the top block 52 and the box door 20 , and opposite ends of the spring 53 abut against the top block 52 respectively and box door 20. Because the upper and lower electromagnets 60 suck the box door 20, the elastic force in the opening direction of the box door 20 is eliminated, and there is no obvious force between the rotating lock hook 32 and the fastener 40. Therefore, after the induction plate 70 is triggered, the electronic control unit controls The electromagnet core 311 moves downward. In this example, the electromagnet core 311 drives the rotating lock hook 32 to rotate through the transmission rod. When the rotating lock hook 32 rotates to the position of the door opening limit shaft 342, the travel switch 35 is also triggered at the same time. , at this time, the circuit of the travel switch 35 is disconnected, the electromagnet 60 is powered off, and the box door 20 will automatically pop open under the action of elastic force. After a period of time, the electromagnet 60 and the rotating lock hook 32 will automatically reset.

In order to improve the degree of monitoring of the electronic stop sign box door 20, the induction assembly further includes an induction magnet 91 and a hall sensor 90. The induction magnet 91 and the hall sensor 90 are relatively separated from the cavity 11 and the box door 20, and the hall sensor 90 It is electrically connected to the electronic control unit. The Hall sensor 90 on the box body 10 transmits signals to the electronic control unit through the induction magnet 91 on the induction box door 20. The background equipment is connected to the electronic control unit, and the box door 20 can be judged by the background equipment. Is it locked. When the hall sensor 90 is almost in contact with the induction magnet 91, it indicates that the box door 20 is normally locked; when the induction magnet 91 is far away from the hall sensor 90, it indicates that the box door 20 is opened.

In the description herein, it should be understood that the terms "upper", "lower", "left", "right" and other azimuth or positional relationships are only for the convenience of description and simplification of operations, rather than indicating or implied. The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

In the description of this specification, reference to the description of the terms "an embodiment", "example", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention middle. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will all fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides an electron lock mechanism of electron stop board, includes box (10) and chamber door (20), be formed with hollow cavity (11) in box (10), one side of box (10) seted up with opening (12) of cavity (11) intercommunication, one side of chamber door (20) articulate in box (10) and can be opening and closing reciprocal pendulum changes between opening (12), its characterized in that still includes:

the locking mechanism comprises a locking hook component (30) arranged in the cavity (11) and a fastener (40) arranged on the door (20), the locking mechanism comprises a first state and a second state, when the locking mechanism is in the first state, the locking hook component (30) is in locking fit with the fastener (40), and when the locking mechanism is in the second state, the locking hook component (30) is separated from the fastener (40);

the magnetic attraction assembly comprises a magnetic attraction block (50) and an electromagnet (60), the electromagnet (60) and the magnetic attraction block (50) are oppositely arranged in the cavity (11) and the box door (20), and the electromagnet (60) is electrically connected with external power supply equipment;

the induction assembly comprises an induction plate (70), an induction magnet (91) and a Hall sensor (90), the induction plate (70) is installed on the box body (10), and the induction magnet (91) and the Hall sensor (90) are oppositely arranged on the cavity (11) and the box door (20);

and the electric control unit is respectively and electrically connected with the locking mechanism, the external power supply equipment, the Hall sensor (90) and the induction plate (70).

2. The electronic lock mechanism of the electronic stop board according to claim 1, wherein the locking hook assembly (30) comprises an electromagnet device (31) and a rotating locking hook (32) for locking the door (20), the electromagnet device (31) is electrically connected with the electronic control unit, the electromagnet device (31) has an electromagnet housing and an electromagnet core (311) which can be close to or far from the electromagnet housing in the vertical direction;

the first end of the rotating lock hook (32) is close to the opening (12) and forms a hook body (321) matched with the fastener (40), the second end of the rotating lock hook (32) extends towards the direction far away from the opening (12) and is pivoted with the electromagnetic iron core (311), and the first end and the second end of the rotating lock hook (32) are pivotally connected to the wall surface of the cavity (11).

3. The electronic lock mechanism of an electronic stop board according to claim 2, wherein: the fastener (40) is of a rod-shaped structure.

4. The electronic lock mechanism of the electronic stop board according to claim 2, wherein the lock hook assembly (30) further comprises a return tension spring (33), one end of the return tension spring (33) is hung at the first end of the rotary lock hook (32), the other end of the return tension spring (33) is located at the lower portion of the rotary lock hook (32) and hung at the wall surface of the cavity (11), and downward tension is continuously applied to the first end of the rotary lock hook (32).

5. The electronic lock mechanism of the electronic stop board according to claim 4, wherein the latch hook assembly (30) further comprises a manual lock (80) and a latch tongue (81), the manual lock (80) is disposed on the box body (10), one end of the manual lock (80) forms a manual trigger end (82), the other end of the manual lock (80) movably penetrates into the cavity (11) and is connected with the latch tongue (81), the latch tongue (81) is disposed on one side of the cavity (11) close to the second end of the rotating latch hook (32), and the manual lock (80) is triggered by the manual lock so that the latch tongue (81) can move back and forth between the second end close to the second end of the rotating latch hook (32) and far from the second end of the rotating latch hook (32).

6. The electronic lock mechanism of the electronic stop board according to claim 4, wherein the locking hook assembly (30) further comprises a support plate (34), the support plate (34) is arranged on the wall surface of the cavity (11) and forms a containing cavity (341) with the wall surface of the cavity (11), and the rotating locking hook (32) is movably arranged in the containing cavity (341).

7. The electronic lock mechanism of the electronic stop board according to claim 6, wherein a door opening limiting shaft (342) and a door closing limiting shaft (343) are provided on one side of the supporting plate (34) in the receiving chamber (341), the door opening limiting shaft (342) is provided on an upper portion of the first end of the rotating lock hook (32), and the door closing limiting shaft (343) is provided on a lower portion of the first end of the rotating lock hook (32);

when the locking mechanism is in a first state, the rotating locking hook (32) abuts against the door-closing limiting shaft (343), and when the locking mechanism is in a second state, the rotating locking hook (32) abuts against the door-opening limiting shaft (342).

8. The electronic lock mechanism of the electronic stop board according to claim 7, wherein a travel switch (35) is further disposed in the accommodating cavity (341), the travel switch (35) is disposed at a lower portion of the second end of the rotating lock hook (32) and electrically connected to the electronic control unit, and a triggering spring (351) for triggering the travel switch (35) is disposed on the travel switch (35);

when the locking hook mechanism is in a first state, the rotating locking hook (32) is far away from the triggering elastic sheet (351), and when the locking hook mechanism is in a second state, the rotating locking hook (32) is close to and presses against the triggering elastic sheet (351).

9. The electronic lock mechanism of the electronic stop board according to claim 1, wherein the magnetic block (50) is provided with a through hole (51), and an ejection assembly is arranged in the through hole (51).

10. The electronic lock mechanism of the electronic stop board according to claim 9, wherein the ejection assembly comprises an ejection block (52) and a spring (53), a boss (511) is disposed on a hole wall of one end of the through hole (51) far away from the box door (20), a clamping table (521) which can be abutted against the boss (511) is disposed on the periphery of the ejection block (52), when the clamping table (521) is abutted against the boss (511), the ejection block (52) protrudes out of the surface of the magnetic suction block (50), the spring (53) is disposed between the ejection block (52) and the box door (20), and two opposite ends of the spring (53) are respectively abutted against the ejection block (52) and the box door (20).

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