Key management machine and control method thereof

Abstract

The present application relates to key management technology field, particularly to a kind of key management machine and control method;A kind of key management machine, including main box, protective door, key lock module, emergency unlocking module, door lock key box, and control system installed in main body box;Door lock key box is embedded in the side of main box and fixed in main box, door lock key box is used to store and door lock matched door lock key, emergency unlocking module includes super key box, emergency unlocking button assembly is used to unlock super key box and pop out from main box to outside, when super key box is in pop-out position, level key box is used to block protective door and close in main box;A kind of control method of key management machine, whether super key is in super key box is detected in real time, while sending the information that super key is not in position to background;Solve the problem that the structure of emergency unlocking scheme door assembly in prior art is complex, super key has no in-position information monitoring.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of key management, in particular to a key management machine and a control method thereof. BACKGROUND

[0002] The key management machine is a device for managing and controlling keys, which can record the specific time, key type and applicable reason for taking or returning keys, effectively standardize the management level of keys, avoid the occurrence of misoperation caused by misuse of keys, and reduce the workload of manual management.

[0003] Generally, the key management machine opens the key cabinet door to take out the authorized mechanical key through card swiping, password input, fingerprint recognition, face recognition and other methods. If there is a circuit or software failure and the mechanical key must be used in an emergency, the mechanical key needs to be taken out through an unconventional way. The existing solution is to design a special structure of the door assembly, which can pry open the door glass from the front to take out the super key to unlock the mechanical key that needs to be taken. The door assembly of this solution has a complex structure, high cost, and the key management machine cannot confirm whether the super key is in place, which may cause the risk of using the super key to take the unauthorized mechanical key during normal use of the key management machine. SUMMARY

[0004] In view of the above defects, the purpose of the present application is to provide a key management machine to solve the problems of complex structure of the emergency unlocking solution door assembly and no in-place information monitoring of the super key in the prior art.

[0005] Another purpose of the present application is to provide a control method of the key management machine to solve the problem of no in-place information monitoring of the super key.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] A key management machine, comprising a main box body, a protective door, a key locking module, an emergency unlocking module, a door lock key box, an emergency unlocking button assembly, and a control system installed on the main box body;

[0008] The protective door cover is arranged on the front side opening of the main box body, the outer part of the main box body is provided with a door lock for locking the protective door, the door lock key box is embedded in one side of the main box body and fixed in the main box body, the door lock key box is used for storing a door lock key matched with the door lock, and the plate surface of the door lock key box facing the outer side is a breakable panel;

[0009] The key locking module is provided with a plurality of key locking modules, and the plurality of key locking modules are vertically and arrayed arranged in the interior of the main box body, each key locking module is provided with a plurality of key columns;

[0010] The emergency unlocking module is installed in the main box, the emergency unlocking module comprises a super key box, the main box is further provided with an emergency unlocking button assembly for unlocking the super key box to pop out from the main box, the super key box is used for storing a super key, the super key is used for unlocking any key locking module, when the super key box is in the pop-out position, the super key box is used for blocking the protective door from being closed on the main box.

[0011] The emergency unlocking module is electrically connected with the control system, the control system is used for allowing or preventing the reset of the super key box and for sending a signal of whether the super key is in the super key box.

[0012] Further, the emergency unlocking module comprises a fixing seat, a second elastic member, a second limiting element, a limiting assembly and a sensing assembly.

[0013] The fixing seat is fixedly installed in the interior of the main box, the super key box is located in the interior of the fixing seat, and the second elastic member is arranged between the super key box and the fixing seat.

[0014] The super key box is provided with the limiting assembly, the bottom of the rear end of the super key box is provided with a limiting groove, the second limiting element is installed below the front end of the fixing seat, and the bottom of the front end of the fixing seat is provided with a second through hole.

[0015] When the emergency unlocking module is not triggered, the second elastic member is in a compressed state, the super key box is limitedly connected with the fixing seat through the limiting assembly, and the driving end of the second limiting element is arranged in the second through hole and abuts against the lower end surface of the super key box; when the emergency unlocking module is triggered through the emergency unlocking button assembly, the limiting end of the limiting assembly is separated from the fixing seat, the super key box is popped out, and the super key can be taken out from the super key box when the driving end of the second limiting element is extended into the limiting groove.

[0016] The second limiting element and the sensing assembly are electrically connected with the control system respectively, and the sensing assembly is used for detecting whether the super key is in the fixing seat.

[0017] Preferably, the sensing assembly comprises a second circuit board and a magnetic steel.

[0018] The second circuit board is installed in the interior of the fixing seat, the second circuit board is provided with a magnetoresistance sensor, the second circuit board is electrically connected with the control system, and the magnetic steel is arranged at one end of the super key.

[0019] Preferably, the limiting assembly comprises a limiting pin, a third elastic member and a fixed plate, the fixed plate is fixed in the super key box, the plate surface of the fixed plate facing the emergency unlocking button assembly is provided with the third elastic member, the movable end of the third elastic member is connected with the limiting pin, the limiting pin is opposite to the emergency unlocking button assembly, the fixed seat is provided with a third through hole opposite to the limiting pin, and the limiting pin is arranged in the third through hole through the third elastic member;

[0020] The emergency unlocking button assembly comprises a button shell, a button cap and a return spring, the button shell is arranged on the left side of the fixed seat, the button cap is arranged in the button shell and is in limiting and movable connection with the button shell, the inside of the button cap is provided with a push rod, the push rod is opposite to the limiting pin, the return spring is sleeved on the outer periphery of the push rod and abuts against the fixed seat, and the top end of the button cap is sequentially and vertically arranged in the button shell and the right side plate of the main box body.

[0021] Further, the key locking module further comprises a locking seat, a lock cylinder, an emergency unlocking transmission mechanism and a first limiting element, the front side of the locking seat is inserted with a plurality of key columns, the lock cylinder is arranged on the locking seat, and the emergency unlocking transmission mechanism and the first limiting element are both arranged on the rear side of the locking seat;

[0022] The first limiting element is electrically connected with the control system, the number of the first limiting elements is consistent with the number of the key columns, and the plurality of first limiting elements are respectively used for locking or unlocking the corresponding key columns;

[0023] The output end of the lock cylinder is in transmission connection with the emergency unlocking transmission mechanism, the lock cylinder is matched with the super key, and the output end of the emergency unlocking transmission mechanism is connected with the driving end of the plurality of first limiting elements.

[0024] When the super key is rotated to drive the lock cylinder to rotate, the rotation of the lock cylinder drives the emergency unlocking transmission mechanism to move, the movement of the emergency unlocking transmission mechanism drives the driving end of the plurality of first limiting elements to move, and the movement of the driving end of the plurality of first limiting elements makes the plurality of key columns be locked or unlocked in the locking seat.

[0025] Further, the first limiting element comprises an iron core and a solenoid, and the solenoid is electrically connected with the control system;

[0026] The front side of the locking seat is provided with a plurality of insertion holes, and the plurality of key columns can be respectively inserted into the plurality of insertion holes, the bottom of the key column is provided with a first groove, and the insertion hole is provided with a first through hole corresponding to the first groove;

[0027] When the key post is located in the insertion hole, the iron core can be extended into or withdrawn from the first groove through the first through hole;

[0028] The key post is provided with a second groove, the second groove is arranged on the opposite sides of the key post, the insertion hole is provided with a slot hole opposite to the second groove, the slot hole is provided with a positioning ball and a first elastic element, the top end of the positioning ball is elastically connected with the first elastic element, and the first elastic element is in a reset state, and the arc end of the positioning ball penetrates out of the slot hole and is located in the insertion hole.

[0029] Further, the iron core is provided with a boss, and the boss is fixedly connected to the outer periphery of the iron core;

[0030] The emergency unlocking transmission mechanism comprises a moving frame and a moving plate, the moving frame is vertically arranged, the moving frame is provided with a strip-shaped hole, the strip-shaped hole is horizontally arranged, the moving plate is fixedly connected to the bottom of the moving frame, the output end of the lock cylinder is provided with an eccentric shaft, the eccentric shaft penetrates the strip-shaped hole, the lower end surface of the moving plate is attached to the upper end surface of the boss, and when the eccentric shaft is driven to rotate by rotating the lock cylinder, the rotation of the eccentric shaft drives the moving plate to push the boss to move upward or downward.

[0031] In an embodiment, the locking seat is provided with six insertion holes, the six insertion holes are horizontally arranged, the two sides of the lock cylinder are respectively provided with three insertion holes and are located on the upper side of the insertion holes, the moving frame is in a sun-shaped structure, the sun-shaped structure comprises a first supporting rod in the middle, second supporting rods on the left and right sides, a first connecting rod on the upper side and a second connecting rod on the lower side, the strip-shaped hole is arranged in the first connecting rod, and the two insertion holes in the middle are located between the two second supporting rods and the first supporting rod; six first limiting elements are horizontally arranged below the six insertion holes, the moving plate is horizontally connected to the second connecting rod and is located between the six insertion holes and the six bosses.

[0032] Preferably, the left and right sides of the second supporting rod are respectively provided with limiting guide elements, the limiting guide elements are fixedly connected to the outer wall of the insertion hole, and the limiting surface of the limiting guide element faces the second supporting rod and is attached to the side surface of the second supporting rod.

[0033] A control method of a key management machine, applied to the key management machine as described above, comprising the following steps:

[0034] Real-time detection of whether the super key is in the super key box, when the super key is not in the super key box, triggering an alarm device, and sending information that the super key is not in place to the background;

[0035] Receive the authorization recovery instruction of the background feedback, control the emergency unlocking module to remove the reset block of the super key box.

[0036] The technical solution provided by the present application can include the following beneficial effects:

[0037] 1. When a circuit or software failure occurs and a mechanical key must be used in an emergency, the door lock key is taken out by breaking the breakable panel of the door lock key box, the protection door is opened, the super key box is popped out after pressing the emergency unlocking button assembly, and the super key is taken out to unlock the key columns on the key locking module. Therefore, the protection door does not need special design, the structure is simple, and after emergency unlocking, only the outer breakable panel of the door lock key box needs to be restored, which is low in repair cost and will not damage the key management machine.

[0038] 2. The super key can unlock all key columns on the key locking module at a time, improving the emergency unlocking efficiency.

[0039] 3. The emergency unlocking module is electrically connected with the control system, and the control system controls the reset of the super key box. Therefore, after the super key box is popped out, the reset needs to be powered on by the key management machine, and the super key box can be reset only after authorization by the control system. Therefore, in the case of circuit or software failure, the use of the super key will leave obvious traces, or in the process of using the key management machine normally, if the super key is taken out, the protection door cannot be closed without authorization by the control system. At the same time, the control system receives and feeds back whether the super key is in the super key box, and the key management personnel will receive information reminding that the super key is not in place, which can effectively control the super key. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 is a structural schematic diagram of an embodiment of the present application.

[0041] Figure 2 is a structural schematic diagram of an embodiment of the present application, in which the protection door is omitted.

[0042] Figure 3 is a structural schematic diagram of a key locking module of an embodiment of the present application.

[0043] Figure 4 is Figure 3 a top view.

[0044] Figure 5 is Figure 4 a sectional view in the E-E direction of

[0045] Figure 6is a structural schematic view of a key lock module of one embodiment of the present application, in which a first circuit board is omitted.

[0046] Figure 7 is a schematic view of the installation structure of an emergency unlocking module and an emergency unlocking button assembly of one embodiment of the present application.

[0047] Figure 8 is Figure 7 a front view.

[0048] Figure 9 is Figure 8 a sectional view in the D-D direction of

[0049] Figure 10 is Figure 8 a sectional view in the B-B direction of

[0050] Figure 11 is Figure 7 a top view.

[0051] Figure 12 is Figure 11 a sectional view in the A-A direction of

[0052] wherein: the main box 1, the protection door 2, the key lock module 3, the lock seat 31, the insertion hole 311, the first through hole 3111, the slot hole 3112, the positioning ball 3113, the first elastic member 3114, the key post 32, the first recess 321, the second recess 322, the lock core 33, the eccentric shaft 331, the emergency unlocking transmission mechanism 34, the moving frame 341, the strip-shaped hole 3410, the first supporting rod 3411, the second supporting rod 3412, the first connecting rod 3413, the second connecting rod 3414, the moving plate 342, the first limiting element 35, the iron core 351, the boss 3511, the solenoid 352, the first circuit board 36, the limiting guide 37, the emergency unlocking module 4, the super key box 41, the limiting groove 411, the fixed seat 42, the second through hole 421, the third through hole 422, the second elastic member 43, the second limiting element 44, the limiting assembly 45, the limiting pin 451, the third elastic member 452, the fixed plate 453, the sensing assembly 46, the second circuit board 461, the magnetic steel 462, the door lock key box 5, the emergency unlocking button assembly 6, the button shell 61, the button cap 62, the push rod 621, the return spring 63, the door lock 7, the super key 01. DETAILED DESCRIPTION

[0053] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings, in which the same or similar components are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0054] In the description of the present application, it is to be understood by those skilled in the art that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features, which are used to distinguish the described features, and have no order or importance.

[0055] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] The technical solutions of the present application will be further illustrated below in combination with the drawings Figures 1 to 12 and through the specific embodiments.

[0057] As Figure 1 and Figure 2 shown, a key management machine includes a main box body 1, a protective door 2, a key locking module 3, an emergency unlocking module 4, a door lock key box 5, an emergency unlocking button assembly 6, and a control system installed on the main box body 1.

[0058] The protective door 2 is provided on the front side opening of the main box body 1, the outer portion of the main box body 1 is provided with a door lock 7 for locking the protective door 2, the door lock key box 5 is embedded in one side of the main box body 1 and fixed in the main box body 1, the door lock key box 5 is used for storing a door lock key matched with the door lock 7, and the plate surface of the door lock key box 5 facing the outer side is a breakable panel.

[0059] The key locking module 3 is provided with a plurality of key locking modules 3, and the plurality of key locking modules 3 are vertically and arrayed in the interior of the main box body 1, each of the key locking modules 3 is provided with a plurality of key columns 32.

[0060] The emergency unlocking module 4 is installed in the main box 1, the emergency unlocking module 4 comprises a super key box 41, the main box 1 is also provided with the emergency unlocking button assembly 6, the emergency unlocking button assembly 6 is used to unlock the super key box 41 and is ejected from the main box 1 to the outside, the super key box 41 is used to store a super key 01, the super key 01 is used to unlock any key locking module 3, when the super key box 41 is in the ejected position, the super key box 41 is used to block the protective door 2 from being closed on the main box 1.

[0061] The emergency unlocking module 4 is electrically coupled with the control system, the control system is used to allow or prevent the reset of the super key box 41 and is used to send a signal whether the super key 01 is in the super key box 41.

[0062] The existing key management machine usually takes out the mechanical key through an unconventional way when the circuit or software fails and the mechanical key must be used in an emergency, which often causes the key management machine to be damaged and the cost to be too high. The solution is to design a special structure of the door assembly of the key management machine, which can pry open the door glass from the front to take out the super key, and use the super key to unlock the mechanical key that needs to be taken. The door assembly structure of this solution is complex, the cost is high, and the key management machine cannot confirm whether the super key is in place. In the process of normally using the key management machine, there is a risk of using the super key to take the mechanical key without authorization. The key management machine proposed in the present application places the door lock key for opening the protective door 2 of the main box body 1 in the door lock key box 5 embedded in one side of the main box body 1 and fixed to the inside of the main box body 1. An emergency unlocking module 4 is installed in the main box body 1. The emergency unlocking module 4 is provided with a super key box 41 for storing a super key 01. An emergency unlocking button assembly 6 is provided in the main box body 1. The super key box 41 can be popped out by pressing the emergency unlocking button assembly 6 to take out the super key 01. A plurality of key locking modules 3 are arranged in an array inside the main box body 1. Each key locking module 3 is provided with a plurality of key columns 32. The key locking module 3 can unlock a plurality of key columns 32 by the super key 01. The key column 32 hangs a mechanical key. When the circuit or software fails and the mechanical key must be used in an emergency, the outside of the door lock key box 5 is a breakable panel, such as glass. By breaking the glass of the door lock key box 5, the door lock key is taken out to open the protective door 2. After pressing the emergency unlocking button assembly 6, the super key box 41 is popped out. The super key 01 can unlock a plurality of key columns 32 on the key locking module 3. Therefore, the present application does not need special design for the protective door 2, the structure is simple, and after emergency unlocking, only the breakable panel on the outside of the door lock key box 5 needs to be restored. The cost is low and the key management machine will not be damaged. In addition, after the super key box 41 is popped out from the main box body 1, the super key box 41 can block the protective door 2 from closing on the main box body 1. Therefore, the protective door 2 cannot be closed before the super key box 41 is reset. The emergency unlocking module 4 is electrically connected with the control system. The control system controls the reset of the super key box 41. The super key box 41 needs to be reset after the key management machine is powered on. The super key box 41 can be reset only after being authorized by the control system. Therefore, in the case of circuit or software failure, there will be obvious traces of using the super key. Or in the process of normally using the key management machine, if the super key 01 is taken without authorization by the control system, the protective door 2 cannot be closed. At the same time, the control system will receive and feedback whether the super key 01 is in the super key box 41 after being powered on. The key management personnel will receive a prompt that the super key 01 is not in place, which can effectively control the super key.

[0063] In an optional embodiment, as shown in Figure 9 and Figure 10 The emergency unlocking module 4 comprises a fixed seat 42, a second elastic member 43, a second limiting element 44, a limiting assembly 45 and a sensing assembly 46.

[0064] The fixed seat 42 is fixedly installed inside the main box body 1, and the super key box 41 is located inside the fixed seat 42. The second elastic member 43 is arranged between the super key box 41 and the fixed seat 42.

[0065] The limiting assembly 45 is arranged inside the super key box 41. The bottom of the rear end of the super key box 41 is provided with a limiting groove 411. The second limiting element 44 is installed below the front end of the fixed seat 42. The bottom of the front end of the fixed seat 42 is provided with a second through hole 421.

[0066] When the emergency unlocking module 4 is not triggered, the second elastic member 43 is in a compressed state. The super key box 41 is connected to the fixed seat 42 through the limiting assembly 45. The driving end of the second limiting element 44 is arranged in the second through hole 421 and abuts against the lower end surface of the super key box 01. When the emergency unlocking module 4 is triggered through the emergency unlocking button assembly 6, the limiting end of the limiting assembly 45 is separated from the fixed seat 42. The super key box 41 is ejected. When the driving end of the second limiting element 44 extends into the limiting groove 411, the super key 01 can be taken out from the super key box 41.

[0067] The second limiting element 44 and the sensing assembly 46 are respectively electrically connected to the control system. The sensing assembly 46 is used to detect whether the super key 01 is in the fixed seat 42.

[0068] Specifically, when the emergency unlocking button assembly 6 is pressed, the limiting end of the limiting assembly 45 is disengaged from the fixed seat 42, the super key box 41 is popped out forward by the second elastic member 43, when the driving end of the second limiting element 44 is located in the limiting groove 411, the super key 01 can be taken out from the super key box 41, the second limiting element 44 and the induction assembly 46 are respectively electrically connected with the control system, in a specific embodiment, the second limiting element 44 is an electromagnet, when the super key box 41 is located in the fixed seat 42, the top end of the core of the electromagnet is arranged in the second through hole 421 and abuts against the bottom of the super key box 41, when the limiting groove 411 is vertically opposite to the second through hole 421, the core of the electromagnet is completely extended into the limiting groove 411, after the super key 01 is used, the electromagnet needs to be reset by authorization, otherwise the electromagnet will be unable to close the super key box 41 by abutting against the limiting groove 411, resulting in that the protection door 2 cannot be closed, in addition, the induction assembly 46 is electrically connected with the control system, the induction assembly 46 is used for detecting whether the super key 01 is in the fixed seat 42, in a specific embodiment, after the circuit or software fault is repaired, the induction assembly 46 detects that the super key is not in the fixed seat 42 and feeds back to the control system, so that the key management opportunity flashes the alarm lamp and rings the buzzer alarm sound, at the same time, the information that the super key is not in place is pushed in the background until the key management personnel authorizes to restore the emergency unlocking module, so that the use of the super key 01 is convenient to control. Preferably, the second elastic member 43 is a spring.

[0069] In an optional embodiment, as shown in Figure 10 The induction assembly 46 includes a second circuit board 461 and a magnetic steel 462.

[0070] The second circuit board 461 is installed in the interior of the fixed seat 42, the second circuit board 461 is provided with a magnetoresistance sensor, the second circuit board 461 is electrically connected with the control system, and the magnetic steel 462 is arranged at one end of the super key 01.

[0071] Further description, the second circuit board 461 electrically connected with the control system is arranged in the interior of the fixed seat 42, the magnetoresistance sensor is arranged on the second circuit board 461, the magnetic steel 462 is arranged at one end of the super key 01, the super key 01 is detected whether in the fixed seat 42 through the magnetoresistance sensor sensing the magnetic steel 462, and the structure is simple.

[0072] In an optional embodiment, as shown in Figure 12As shown, the limiting assembly 45 comprises a limiting pin 451, a third elastic member 452 and a fixing plate 453, the fixing plate 453 is fixed in the super key box 41, the plate surface of the fixing plate 453 facing the emergency unlocking button assembly 6 is provided with the third elastic member 452, the movable end of the third elastic member 452 is connected with the limiting pin 451, the limiting pin 451 is opposite to the emergency unlocking button assembly 6, the fixing seat 42 is provided with a third through hole 422 opposite to the limiting pin 451, and the limiting pin 451 passes through the third through hole 422 in the third elastic member 452;

[0073] The emergency unlocking button assembly 6 comprises a button shell 61, a button cap 62 and a return spring 63, the button shell 61 is installed on the left side of the fixing seat 42, the button cap 62 is located in the interior of the button shell 61 and is in limiting movable connection with the button shell 61, the interior of the button cap 62 is provided with a push rod 621 opposite to the limiting pin 451, the return spring 63 is sleeved on the outer periphery of the push rod 621 and abuts against the fixing seat 42, and the top end of the button cap 62 passes through the button shell 61 and the right side plate 11 of the main box body 1 in sequence.

[0074] Understandably, by pressing the button cap 62 located in the interior of the right side plate 11 of the main box body 1, the push rod 621 abuts against the limiting pin 451, the limiting pin 451 exits the third through hole 422 of the fixing seat 42, and thus the super key box 41 is ejected from the fixing seat 41, so that the operation is simple. Preferably, the third elastic member 452 is a spring.

[0075] In an optional embodiment, as shown in the accompanying drawings, Figure 2 As shown, the key locking module 3 further comprises a locking seat 31, a lock cylinder 33, an emergency unlocking transmission mechanism 34 and a first limiting element 35, the front side of the locking seat 31 is inserted with a plurality of key columns 32, the lock cylinder 33 is installed on the locking seat 31, and the emergency unlocking transmission mechanism 34 and the first limiting element 35 are both installed on the rear side of the locking seat 31;

[0076] The first limiting element 35 is electrically connected with the control system, the number of the first limiting element 35 is consistent with the number of the key columns 32, and a plurality of the first limiting element 35 are respectively used for locking or unlocking the corresponding key columns 32;

[0077] The output end of the lock cylinder 33 is in transmission connection with the emergency unlocking transmission mechanism 34, the lock cylinder 33 is matched with the super key 01, and the output end of the emergency unlocking transmission mechanism 34 is connected with the driving end of a plurality of the first limiting element 35;

[0078] When the super key 01 is rotated to drive the lock cylinder 33 to rotate, the rotation of the lock cylinder 33 drives the emergency unlocking transmission mechanism 34 to move, the movement of the emergency unlocking transmission mechanism 34 drives the driving end of the first limiting element 35 to move, and the movement of the driving end of the first limiting element 35 causes the key column 32 to be unlocked or locked in the locking seat 31.

[0079] Further, the key column 32 is inserted into the locking seat 31, the lock cylinder 31 is installed on the locking seat 31, the output end of the lock cylinder 33 is in transmission connection with the emergency unlocking transmission mechanism 34 located at the rear side of the locking seat 31, the output end of the emergency unlocking transmission mechanism 34 is connected with the driving end of the first limiting element 35, and after the corresponding key column 32 is locked by the first limiting element 35, in the case of circuit or software failure, the super key 01 cooperates with the lock cylinder 33 to rotate the lock cylinder 33, so that the emergency unlocking transmission mechanism 34 moves downward, because the output end of the emergency unlocking transmission mechanism 34 is connected with the driving end of the first limiting element 35, the downward movement of the emergency unlocking transmission mechanism 34 can drive the driving end of the first limiting element 35 to move downward to unlock the key column 32, so as to realize that the super key 01 can unlock several key columns 32 at a time, and improve the emergency unlocking efficiency;

[0080] In an optional embodiment, as shown in Figure 5 The first limiting element 35 includes an iron core 351 and a solenoid 352, and the solenoid 352 is in electrical connection with the control system.

[0081] The front side of the locking seat 31 is provided with a plurality of insertion holes 311, and the key column 32 can be inserted into the insertion hole 311 respectively, the bottom of the key column 32 is provided with a first recess 321, and the insertion hole 311 is provided with a first through hole 3111 corresponding to the first recess 321.

[0082] When the key column 32 is located in the insertion hole 311, the iron core 351 can extend into or exit from the first recess 321 through the first through hole 3111.

[0083] The key post 32 is provided with a second groove 322, which is arranged on the opposite side of the key post 32 relative to the first groove 321. The insertion hole 311 is provided with a slot hole 3112 opposite to the second groove 321. The slot hole 3112 is provided with a positioning ball 3113 and a first elastic member 3114. The top end of the positioning ball 3113 is elastically connected to the first elastic member 3114. When the first elastic member 3114 is in a reset state, the arc end of the positioning ball 3113 penetrates out of the slot hole 3112 and is located in the insertion hole 311.

[0084] Notably, when the key post 32 is inserted into the insertion hole 311 of the locking seat 31, the control system controls the solenoid 352 to enable the iron core 351 to extend into or exit from the first groove 321 of the key post 32 through the first through hole 3111 or to drive the iron core 351 through the emergency unlocking transmission mechanism 34 to realize the locking or unlocking operation of the first limiting element 35 on the key post 32 in the insertion hole 311. Further, the second groove 322 is arranged on the opposite side of the key post 32 relative to the first groove 321. The insertion hole 311 is provided with a slot hole 3112 opposite to the second groove 321. The slot hole 3112 is provided with a positioning ball 3113 connected by a first elastic member 3114. The bottom end of the positioning ball 3113 penetrates out of the slot hole 3112 and is located in the insertion hole 311 through the elastic member 3144. When the key post 32 is inserted into the insertion hole 311, whether the arc end of the positioning ball 3113 enters the second groove 322 of the key post 32 can be used to determine whether the key post 32 is inserted in place. After being inserted in place, the iron core 351 can be operated to extend into the first groove 321 to lock the key post 32, thereby improving the convenience of the locking operation of the key post 32. Preferably, the first elastic member 3114 is a spring.

[0085] In a specific embodiment, the second groove 322 is symmetrically arranged on the opposite sides of the key post 32 relative to the first groove 321. The second groove 322 can correspond to the first through hole 3111. The iron core 351 extends into or exits from the second groove 322 through the first through hole 3111, so that the key post 32 can be inserted in front and in back to realize the locking function, thereby improving the convenience of use.

[0086] Further, as Figure 3 and Figure 4As shown, the rear side of the locking seat 31 is also provided with a first circuit board 36, which is electrically connected with the control system. The key column 32 is provided with a magnetic steel and an identity component. The magnetic steel cooperates with a magnetic resistance sensor on the first circuit board 36 to play a role in position detection. The identity component cooperates with a code reading inductor on the first circuit board 36 to play a role in identity detection. This belongs to the prior art and will not be described in detail here. Due to the positioning ball 3113 in the jack, the key column 32 cannot move outward in the jack 311 without external force, so that the first circuit board 36 can accurately read the information of the key column 32.

[0087] In an optional embodiment, as shown in Figure 5 and Figure 6 As shown, the iron core 351 is provided with a boss 3511 fixedly connected to the outer periphery of the iron core 351.

[0088] The emergency unlocking transmission mechanism 34 includes a moving frame 341 and a moving plate 342. The moving frame 341 is vertically arranged and is provided with a strip-shaped hole 3410 arranged horizontally. The moving plate 342 is fixedly connected to the bottom of the moving frame 341. The output end of the lock cylinder 33 is provided with an eccentric shaft 331 penetrating through the strip-shaped hole 3410. The lower end surface of the moving plate 342 is in abutment with the upper end surface of the boss 3511. When the eccentric shaft 331 is rotated by rotating the lock cylinder 33, the rotation of the eccentric shaft 331 drives the moving plate 342 to push the boss 3511 to move upward or downward.

[0089] Specifically, the lock cylinder 33 is rotated by the super key 01. The output end of the lock cylinder 33 is provided with an eccentric shaft 331 penetrating through the horizontally arranged strip-shaped hole 3410 on the moving frame 341. The lower end of the moving frame 341 is provided with a moving plate 342. The lower end surface of the moving plate 342 is in abutment with the upper end surface of the boss 3511. When the first limiting element 35 and the key column 32 are in locking connection, the eccentric shaft 331 is rotated by rotating the lock cylinder 33 of the super key 01 to push the strip-shaped hole 3410 to drive the moving frame 341 to move downward. The moving plate 342 moves downward following the moving frame 341 to push the bosses 3511 on the iron cores 351 to move downward at the same time, so that the key column 32 is unlocked. The structure is simple and convenient and fast to operate.

[0090] In an optional embodiment, as shown in Figure 3 and Figure 6As shown, the locking seat 31 is provided with six insertion holes 311, which are horizontally arranged. The lock cylinder 33 is provided with three insertion holes 311 on each side and is located above the insertion holes 311. The moving frame 341 has a sun-shaped structure, which includes a first supporting rod 3411 in the middle, second supporting rods 3412 on the left and right sides, a first connecting rod 3413 above, and a second connecting rod 3414 below. The strip-shaped hole 3410 is arranged on the first connecting rod 3413. The two insertion holes 311 in the middle are located between the second supporting rods 3412 and the first supporting rod 3411. Six first limiting elements are horizontally arranged below the six insertion holes 311. The moving plate 342 is horizontally connected to the second connecting rod 3414 and is located between the six insertion holes 311 and the six bosses 3511.

[0091] Further, the locking seat 31 is provided with six horizontally arranged insertion holes 311. The key lock module 3 is provided with six key columns 32. The lock cylinder 33 is located above the middle of the six insertion holes 311. The eccentric shaft 331 of the lock cylinder 33 penetrates the strip-shaped hole 3410 on the first connecting rod 3413. The first connecting rod 3413 is located above the insertion holes 311. The first supporting rod 3411 is located in the middle of the six insertion holes 311. The two insertion holes 311 in the middle are located between the second supporting rods 3412 and the first supporting rod 3411. The moving plate 342 is horizontally connected to the second connecting rod 3414 and is located between the six insertion holes 311 and the six bosses 3511, so that the emergency unlocking transmission mechanism 34 does not occupy additional installation space when installed on the key lock module 3, the installation of the first circuit board 36 on the locking seat 31 is not affected, the structure is stable, and the six key columns on the locking seat 31 can be unlocked at the same time by the super key 01.

[0092] In an optional embodiment, as shown in Figure 6 The left and right sides of the second supporting rod 3412 are respectively provided with limiting guide members 37, which are fixedly connected to the outer wall of the insertion hole 311. The limiting surface of the limiting guide member 37 faces the second supporting rod 3412 and is in close contact with the side surface of the second supporting rod 3412.

[0093] Understandably, the second supporting rod 3412 is located between the two insertion holes 311, and the limiting guide 37 is installed on the opposite outer wall surface of the two insertion holes 311, respectively, so that the two first supporting rods 3412 are located between the two limiting guides 37, and the limiting surface of the limiting guide 37 faces the second supporting rod 3412 and is attached to the side surface of the second supporting rod 3412. When the eccentric shaft 331 of the lock cylinder 33 pushes the moving frame 341 in the strip-shaped hole 3410, the two second supporting rods 3412 of the moving frame 341 slide up and down along the two limiting surfaces, respectively, which plays a limiting and guiding role, so that the moving frame 341 moves stably up and down, the structure is stable, and the key column 32 is mechanically unlocked accurately and stably.

[0094] A control method of a key management machine, applied to the key management machine as described in the above item, comprising the following steps:

[0095] Real-time detection of whether the super key 01 is in the super key box 41, and when the super key is not in the super key box 41, triggering an alarm device and sending information to the back-end that the super key is not in place;

[0096] Receiving the authorization recovery instruction fed back by the back-end to control the emergency unlocking module 4 to remove the reset block of the super key box 41. The above control method is deployed in the control system of the key management machine.

[0097] Specifically, a use method of a key management machine, comprising the following steps:

[0098] (1) Knocking the breakable panel of the door lock key box 5 to take out the door lock key, and inserting the door lock key into the door lock 7 to open the protection door 2;

[0099] (2) Pressing the button cap 62 of the emergency unlocking button assembly 6 to make the super key box 41 in the emergency unlocking module 4 pop out;

[0100] (3) Pulling the super key box 41 outward to make the driving end of the second limiting element 44 extend into the limiting groove 411 of the super key box 41, and then taking out the super key 01;

[0101] (4) Inserting the super key 01 into the lock cylinder 33 on the key lock module 3, rotating the lock cylinder 33 by the super key 01, and unlocking the key column 32 on the key lock module 3;

[0102] (5) After using the super key 01, the driving end of the second limiting element 44 needs to be reset through the control system, otherwise the driving end of the second limiting element 44 will push against the limiting groove 411 to make the super key box 41 unable to reset, resulting in that the protection door 2 cannot be closed, so that obvious traces of using the super key 01 are left in the case of circuit or software failure.

[0103] (6) When the circuit or software is repaired, the key management opportunity sends an alarm device, the alarm mode of the alarm device is the flashing alarm light and the sounding of the buzzer alarm, and the information of the super key not being in place is pushed in the background until the key management personnel authorizes the emergency unlocking module 4 to be restored.

[0104] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application and cannot be interpreted in any way as a limitation on the scope of protection of the present application. Based on the explanations here, those skilled in the art can think of other specific embodiments of the present application without creative labor, and these embodiments will fall within the scope of protection of the present application.

Claims

1. A key management machine, characterized in that: It includes the main enclosure, protective door, key locking module, emergency unlocking module, door lock key box, emergency unlocking button assembly, and control system installed in the main enclosure; The protective door cover is located at the front opening of the main box. The outside of the main box is provided with a door lock for locking the protective door. The door lock key box is embedded in one side of the main box and fixed inside the main box. The door lock key box is used to store the door lock key that matches the door lock. The outer side of the door lock key box is a breakable panel. The key locking module is provided in several units, and the key locking modules are arranged vertically and in an array inside the main body. Each key locking module is provided with several key posts. The emergency unlocking module is installed inside the main housing. The emergency unlocking module includes a super key box. The main housing also has an emergency unlocking button assembly. The emergency unlocking button assembly is used to unlock the super key box from popping out of the main housing. The super key box is used to store the super key. The super key is used to unlock any of the key locking modules. When the super key box is in the pop-out position, the super key box is used to prevent the protective door cover from closing on the main housing. The emergency unlocking module is electrically connected to the control system, which is used to allow or prevent the reset of the super key box and to send a signal indicating whether the super key is in the super key box. The emergency unlocking module includes a fixed base, a second elastic element, a second limiting element, a limiting component, and a sensing component; The mounting base is fixedly installed inside the main housing, the super key box is located inside the mounting base, and the second elastic element is provided between the super key box and the mounting base; The super key box is provided with the limiting component, the bottom of the rear end of the super key box is provided with a limiting groove, the second limiting element is installed below the front end of the fixing base, and the bottom of the front end of the fixing base is provided with a second through hole. When the emergency unlocking module is not triggered, the second elastic element is in a compressed state, and the super key box and the fixed base are connected by the limiting component. The driving end of the second limiting element passes through the second through hole and abuts against the lower end face of the super key box. When the emergency unlocking module is triggered by the emergency unlocking button component, the limiting end of the limiting component disengages from the fixed base, the super key box pops out, and the super key can be taken out from the super key box when the driving end of the second limiting element extends into the limiting groove. The second limiting element and the sensing component are electrically connected to the control system, and the sensing component is used to detect whether the super key is inside the fixed seat.

2. A key management machine according to claim 1, characterized in that: The sensing component includes a second circuit board and a magnet; The second circuit board is installed inside the fixed base. The second circuit board is equipped with a magnetoresistive sensor. The second circuit board is electrically connected to the control system. The magnet is located at one end of the super key.

3. A key management machine according to claim 2, characterized in that: The limiting component includes a limiting pin, a third elastic element, and a fixing plate. The fixing plate is fixed inside the super key box. The third elastic element is installed on the plate surface of the fixing plate facing the emergency unlock button assembly. The movable end of the third elastic element is connected to the limiting pin. The limiting pin is directly opposite the emergency unlock button assembly. The fixing base has a third through hole directly opposite the limiting pin. The limiting pin passes through the third through hole via the third elastic element. The emergency unlock button assembly includes a button housing, a button cap, and a return spring. The button housing is installed on the left side of the fixed base. The button cap is located inside the button housing and is movably connected to the button housing. A push rod is provided inside the button cap, and the push rod is directly opposite the limiting pin. The return spring is sleeved on the outer periphery of the push rod and abuts against the fixed base. The top of the button cap is vertically inserted through the button housing and the right side plate of the main housing.

4. A key management machine according to claim 1, characterized in that: The key locking module also includes a locking seat, a lock cylinder, an emergency unlocking transmission mechanism, and a first limiting element. Several key pins are inserted into the front side of the locking seat, the lock cylinder is installed in the locking seat, and the emergency unlocking transmission mechanism and the first limiting element are both installed in the rear side of the locking seat. The first limiting element is electrically connected to the control system. The number of the first limiting elements is the same as the number of the key pins. Several first limiting elements are used to lock or unlock the corresponding key pins. The output end of the lock cylinder is connected to the emergency unlocking transmission mechanism. The lock cylinder is matched with the super key. The output end of the emergency unlocking transmission mechanism is connected to the drive ends of several first limiting elements. When the super key is turned, the lock cylinder is rotated. The rotation of the lock cylinder causes the emergency unlocking transmission mechanism to move. The movement of the emergency unlocking transmission mechanism causes the driving ends of several first limiting elements to move. The movement of the driving ends of several first limiting elements causes several key pins to unlock or lock in the locking seat.

5. A key management machine according to claim 4, characterized in that: The first limiting element includes an iron core and a solenoid, the solenoid being electrically connected to the control system; The front side of the locking seat is provided with several insertion holes, and several key pins can be inserted into several insertion holes respectively. The bottom of the key pin is provided with a first groove, and the insertion hole is provided with a first through hole corresponding to the first groove. When the key post is located in the socket, the iron core can extend into or retract from the first groove through the first through hole; The key post is provided with a second groove, which is located on opposite sides of the key post. The insertion hole is provided with a slot that is directly opposite to the second groove. A positioning ball and a first elastic element are provided in the slot. The top of the positioning ball is elastically connected to the first elastic element. When the first elastic element is in the reset state, the arc end of the positioning ball passes through the slot and is located in the insertion hole.

6. A key management machine according to claim 5, characterized in that: The iron core is provided with a boss, and the boss is fixedly connected to the outer periphery of the iron core; The emergency unlocking transmission mechanism includes a movable frame and a movable plate. The movable frame is vertically arranged and has a horizontally arranged strip hole. The movable plate is fixedly connected to the bottom of the movable frame. The output end of the lock cylinder is provided with an eccentric shaft, which passes through the strip hole. The lower end face of the movable plate is in contact with the upper end face of the boss. When the lock cylinder is rotated, the eccentric shaft is rotated, and the rotation of the eccentric shaft causes the movable plate to push the boss to move upward or downward.

7. A key management machine according to claim 6, characterized in that: The locking seat has a total of six insertion holes arranged horizontally. The lock cylinder has three insertion holes on each side and is located above the insertion holes. The movable frame has a U-shaped structure, which includes a first support rod in the middle, second support rods on the left and right sides, a first connecting rod at the top, and a second connecting rod at the bottom. The strip hole is opened on the first connecting rod. The two insertion holes in the middle are located between the two second support rods and the first support rod, respectively. The six first limiting elements are arranged horizontally below the six insertion holes. The movable plate is horizontally connected to the second connecting rod and is located between the six insertion holes and the six bosses.

8. A key management machine according to claim 7, characterized in that: The second support rod is provided with limiting guides on its left and right sides respectively. The limiting guides are fixedly connected to the outer wall of the insertion hole. The limiting surface of the limiting guides faces the second support rod and fits against the side of the second support rod.

9. A control method for a key management machine, characterized in that: The key management machine as described in any one of claims 1 to 8 includes the following steps: The system detects in real time whether the super key is in the super key box. When the super key is not in the super key box, the alarm device is triggered and a message indicating that the super key is not in place is sent to the backend. Upon receiving the authorization restoration command from the backend, control the emergency unlocking module to release the reset obstruction of the super key box.

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