CN110236311B - Intelligent key cabinet and key access method - Google Patents
Intelligent key cabinet and key access method Download PDFInfo
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- CN110236311B CN110236311B CN201910521399.0A CN201910521399A CN110236311B CN 110236311 B CN110236311 B CN 110236311B CN 201910521399 A CN201910521399 A CN 201910521399A CN 110236311 B CN110236311 B CN 110236311B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 210000000078 claw Anatomy 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 14
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/109—Programme-controlled manipulators characterised by positioning means for manipulator elements comprising mechanical programming means, e.g. cams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/12—Programme-controlled manipulators characterised by positioning means for manipulator elements electric
- B25J9/123—Linear actuators
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- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an intelligent key cabinet which comprises a key taking part, a main body part, a key storing part and a control part, wherein the key taking part can realize the up-down, left-right and front-back movement of a pneumatic paw, and pulls a lock body sliding block of a lock body to move backwards, so that people can take keys conveniently; the main body part is used for latching the key, the key storage part is used for storing the key, and the control part realizes the intellectualization of key storage and taking. The invention also discloses a method for storing and taking keys in the key cabinet. This intelligent key cabinet can place a plurality ofly the key, realizes the unified storage and the management of key: the structure is compact, and the problems that the cable layout is messy, the number of connectors is too much and the equipment performance is influenced are avoided; through the identification of fingerprint and password to user's identity, avoided single identity identification mode to lead to easily the drawback that can not discern, the process of whole access key is very automatic and intelligent.
Description
Technical Field
The invention relates to the technical field of article storage, in particular to an article storage cabinet with small volume and light weight and an access method.
Background
The key is a special article, and if the key is stolen or lost due to negligence of management, great potential safety hazard and great loss can be caused.
At present, most of units have a plurality of keys to be managed, and a manual management mode is mainly adopted. However, the manual management of issuing keys is relatively backward, a large amount of manpower and financial resources are wasted, the efficiency is low, the number of stored keys is limited, and an intelligent key cabinet is provided and is specially used for intelligent key management of units in order to ensure the safety, high efficiency and low cost of key management. In the intelligent key cabinet industry, the existing product key management control stations adopt an independent control type design, and all the stations are connected through cables to transmit communication signals.
However, in the existing intelligent key cabinet, generally, due to the fact that the number of key management stations is large, the structure of the cabinet body of the intelligent key cabinet is complex, the size of the cabinet body is large, the cable layout is messy, and the number of connectors is too large, so that the equipment performance and the reliability and the speed of key storage and taking are affected.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above problems, an object of the present invention is to provide an intelligent key cabinet and a method for accessing a key using the same, so that the key access is more intelligent, convenient and fast.
The technical scheme is as follows: an intelligent key cabinet comprises a main frame, a key taking component, a main component, a key storing component and a control component, wherein the key taking component, the main component, the key storing component and the control component are arranged in the main frame, and a touch screen, a numeric keyboard and a fingerprint identifier are arranged on a front panel of the main frame;
the key taking part comprises a horizontal moving component, a vertical moving component, a front-back moving component and a pneumatic paw, wherein the vertical moving component is fixedly connected to the horizontal moving component, the front-back moving component is fixedly connected to the vertical moving component, and the pneumatic paw is fixedly connected to the front-back moving component;
the lock body comprises a body welding frame provided with a plurality of laminates and a plurality of lock bodies arranged on each laminate in parallel, each lock body comprises a lock body pull rod, a lock body guide shaft, a telescopic spring, a lock body outer frame and a lock body sliding block, the lock body outer frame comprises an upper frame, a left frame and a lower frame, two guide holes are formed in the left frame, two lock body guide shafts are fixedly arranged on the lock body sliding block, the lock body sliding block is movably arranged between the upper frame and the lower frame of the lock body outer frame, the two lock body guide shafts penetrate through the two guide holes in the left frame, one end of the telescopic spring is connected with the left frame, the other end of the telescopic spring is connected with the lock body sliding block, and the lock body pull rods and the lock body guide shafts are connected through pins; the lower frame of the lock body is fixedly connected with the laminate of the body welding frame;
the key storage component comprises a key hook mounting plate, key hook connecting rods, a supporting seat, a key hook, spring retainer rings, pins and torsion springs, wherein the key hook mounting plate corresponds to the main component, a plurality of key hook connecting rods are arranged from top to bottom through the supporting seat, the key hook connecting rods are sleeved with the plurality of key hooks by the pins and the torsion springs, and the spring retainer rings are sleeved on the key hook connecting rods on two sides of the key hooks respectively for axial positioning;
the control component comprises an industrial personal computer, a motion control card and a digital quantity input/output card, the motion control card and the digital quantity input/output card are respectively in signal connection with the industrial personal computer, the touch screen, the numeric keyboard and the fingerprint identifier are respectively in signal connection with corresponding interfaces of the industrial personal computer, the horizontal moving component and the vertical moving component are respectively in signal connection with an output port of the motion control card, and the front-back moving component and the pneumatic gripper are respectively in signal connection with an output port of the digital quantity input/output card.
Furthermore, the horizontal moving component comprises a horizontal mounting plate, a horizontal motor, a horizontal belt seat bearing, a horizontal lead screw, a horizontal guide rail, a horizontal connecting plate, a horizontal nut and a horizontal linear bearing, wherein the horizontal mounting plate is formed by welding sectional materials, the horizontal motor is arranged in the middle of one end of the horizontal mounting plate through a motor supporting plate, a horizontal motor driver on the horizontal motor is in signal connection with an output port of the motion control card, the horizontal lead screw is arranged in the middle of the horizontal mounting plate through two horizontal belt seat bearings, the horizontal nut is rotatably arranged on the horizontal lead screw, the horizontal nut and the horizontal lead screw form a lead screw nut pair, an output shaft of the horizontal motor is coaxial with the horizontal lead screw, and an output shaft of the horizontal motor is connected with the horizontal lead screw through a coupler, the two horizontal guide rails are arranged on two sides of the horizontal screw rod in parallel through a supporting seat, two horizontal linear bearings are arranged on each horizontal guide rail, the horizontal connecting plate is fixedly connected with the four horizontal linear bearings and one horizontal nut, and when the horizontal motor rotates, a screw nut pair formed by the horizontal nut and the horizontal screw rod drives the horizontal connecting plate to horizontally and linearly move along the horizontal guide rails.
Furthermore, the vertical moving component comprises a vertical mounting plate, a vertical guide rail, a vertical screw, a vertical connecting plate, a vertical bearing with a seat, a vertical motor and a vertical nut, wherein the vertical mounting plate is formed by welding sectional materials, the vertical motor is mounted in the middle of one end of the vertical mounting plate through a motor supporting plate, the vertical screw is mounted in the middle of the vertical mounting plate through two vertical bearings with a seat, the vertical nut is rotatably mounted on the vertical screw, the vertical nut and the vertical screw form a screw nut pair, an output shaft of the vertical motor is coaxial with the vertical screw, an output shaft of the vertical motor is connected with the vertical screw through a coupler, a vertical motor driver on the vertical motor is in signal connection with an output port of the motion control card, two perpendicular guide rails pass through supporting seat parallel mount and be in the both sides of perpendicular lead screw, every perpendicular guide rail on install a linear bearing, perpendicular connecting plate and linear bearing perpendicular nut fixed connection, work as perpendicular motor rotate, through perpendicular nut with the lead screw nut pair that perpendicular lead screw constitutes drive perpendicular connecting plate along the perpendicular rectilinear movement of perpendicular guide rail, the perpendicular mounting panel of vertical migration subassembly with the horizontal migration subassembly horizontal connecting plate link firmly mutually, make the horizontal rectilinear movement of horizontal connecting plate will drive the horizontal rectilinear movement of vertical migration subassembly.
Furthermore, the back-and-forth movement assembly comprises a double-rod cylinder mounting plate and a double-rod cylinder, the double-rod cylinder is fixedly mounted on the double-rod cylinder mounting plate through screws, a first electromagnetic valve on the double-rod cylinder is in signal connection with an output port of the digital quantity input/output card, a pneumatic paw is fixedly mounted on a piston rod of the double-rod cylinder, a second electromagnetic valve on the pneumatic paw is in signal connection with an output port of the digital quantity input/output card, a piston rod of the double-rod cylinder extends out or retracts to drive the pneumatic paw to move back and forth, and the double-rod cylinder mounting plate is fixedly mounted on the vertical connection plate of the vertical movement assembly, so that the vertical linear movement of the vertical connection plate drives the back-and-forth movement assembly to vertically and linearly move.
Furthermore, the key cabinet also comprises a proximity switch, one proximity switch is correspondingly arranged on one side of each key hook, and the proximity switches are in signal connection with input ports of the digital quantity input and output card.
The proximity switch is used for judging whether the key of each key access position is in place or not and transmitting information to the industrial personal computer for data storage through the digital quantity input and output card.
Furthermore, the motion control card and the digital quantity input/output card are respectively in signal connection with the industrial personal computer through a PCI bus, the fingerprint identification instrument is connected with a USB port of the industrial personal computer, the numeric keyboard is connected with a PS/2 interface of the industrial personal computer, and a USB interface and a VGA interface of the touch screen are respectively correspondingly connected with the USB interface and the VGA interface of the industrial personal computer.
Further, be equipped with the database in the industrial computer, the database includes user's authority table, key storage location table and key in service behavior table, user's authority table includes fingerprint field, name field, number 1 key in service authority field, number 2 key in service authority field, …, number n key in service authority field, key storage location table includes key number field, storage location X to field, storage location Y to field, key in service behavior table includes key number field, borrow time field, borrower field of returning back.
The invention discloses a method for accessing keys in an intelligent key cabinet, which comprises the following steps:
firstly, the key storage method comprises the following steps:
s1, a user touches a fingerprint identification area of a fingerprint identification instrument, inputs a storage button through a numeric keyboard or a touch screen, and inputs a number of a corresponding key access position through the numeric keyboard or the touch screen;
s2, a fingerprint identification instrument collects user fingerprint information, a numeric keyboard or a touch screen acquires input information and respectively transmits the information to an industrial personal computer, the industrial personal computer judges user authority according to the digital number of a user intended to store a key and the fingerprint information, if the user does not have the authority, a request of storing the key by the user is refused, and if the user has the authority, the next step is carried out;
s3, the industrial personal computer transmits the received digital number information of the stored key to the motion control card, the motion control card outputs signals to the horizontal moving assembly and the vertical moving assembly respectively, the horizontal moving assembly and the vertical moving assembly move to enable the pneumatic claw of the key taking component to move to the key access position of the corresponding digital number, and the horizontal moving assembly and the vertical moving assembly stop moving;
s4, the industrial personal computer sends a control signal to the digital quantity input and output card, the digital quantity input and output card sends a signal to the pneumatic paw, the pneumatic paw clamps and pulls the lock body pull rod of the lock body, and the pneumatic paw keeps a clamping state;
s5, the industrial personal computer sends a control signal to the digital quantity input and output card again, the digital quantity input and output card sends a signal to the front-back moving assembly, and a piston rod of the front-back moving assembly retracts to enable the pneumatic paw to drive a lock body sliding block of the lock body to retract;
s6, a user forcibly presses down the key hook at the key access position with the corresponding number, so that the key hook rotates around the key hook connecting rod, and the user places the key on the key hook;
s7, the user releases the key hook, the key hook reversely rotates around the key hook connecting rod under the action of the torsion spring, the key hook is lifted upwards until the position of the end part of the key hook facing the inside of the cabinet is lower than the position of the lock body sliding block of the corresponding lock body, and the torsion spring resets;
s8, the industrial personal computer sends a control signal to the digital quantity input and output card again, the digital quantity input and output card sends signals to the pneumatic paw and the front-back moving assembly in sequence, the pneumatic paw loosens a lock body pull rod of the lock body, and a piston rod of the front-back moving assembly resets;
s9, a lock body sliding block of the lock body extends out under the action of a telescopic spring to lock the key hook, and the key storage is completed;
secondly, the key taking method comprises the following steps:
s I, a user touches a fingerprint identification area of the fingerprint identification instrument, inputs a 'get' button through a numeric keyboard or a touch screen, and inputs a number of a corresponding key access position through the numeric keyboard or the touch screen;
the industrial personal computer judges the authority of the user according to the digital number and the fingerprint information of the key which is supposed to be taken by the user, if the authority is not available, the request of the user for taking the key is refused, and if the authority is available, the next step is carried out;
the industrial personal computer transmits the received digital number information of the key taking to the motion control card, the motion control card respectively outputs signals to the horizontal moving component and the vertical moving component, the horizontal moving component and the vertical moving component move to enable the pneumatic paw of the key taking component to move to the key access position of the corresponding digital number, and the horizontal moving component and the vertical moving component stop moving;
s IV, the industrial personal computer sends a control signal to the digital quantity input and output card, the digital quantity input and output card sends a signal to the pneumatic paw, the pneumatic paw clamps and pulls the lock body pull rod of the lock body, and the pneumatic paw keeps a clamping state;
s V, the industrial personal computer sends a control signal to the digital quantity input and output card again, the digital quantity input and output card sends a signal to the front-back moving assembly, and a piston rod of the front-back moving assembly retracts to enable the pneumatic paw to drive a lock body sliding block of the lock body to retract;
s VI, the user presses down the key hook forcibly at the key access position with the corresponding number, the key hook rotates around the key hook connecting rod, the key can be taken down, and after the key is taken down, the user releases the key hook to reset the key hook;
and S VII, the industrial personal computer sends a control signal to the digital input and output card again, and the digital input and output card sends signals in sequence to enable the pneumatic gripper and the front-back moving assembly to move and the lock body to reset.
Has the advantages that: compared with the prior art, the invention has the advantages that: 1. the invention can be provided with a plurality of key management stations, thereby realizing the unified storage and management of keys; 2. the key taking component can realize up-down, left-right and front-back movement of the pneumatic paw, and can realize access control of keys at any position, so that the structure and the mechanism of the whole key cabinet body are simple and compact, the problems of messy cable layout, excessive connectors and improved equipment performance are avoided; 3. according to the invention, the user identity is identified through the fingerprint and the password, so that the defect that the identity cannot be identified easily due to a single identity identification mode is avoided, and the reliability is improved; 4. the control component is arranged, so that the whole key storing and taking process is automated and intelligent.
Drawings
Fig. 1 is a schematic view of an internal structure of an intelligent key cabinet;
FIG. 2 is an external view of a smart key cabinet;
FIG. 3 is a schematic view of a key-removing component;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a sectional view taken along line A of FIG. 4;
FIG. 7 is a schematic view of a main body part structure;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a schematic view of a lock body;
FIG. 10 is a front view of FIG. 9;
FIG. 11 is a schematic view of the lock body outer frame;
FIG. 12 is a schematic view of a key storage unit;
FIG. 13 is a front view of FIG. 11;
FIG. 14 is an enlarged view at A of FIG. 13;
FIG. 15 is an enlarged view at B of FIG. 13;
FIG. 16 is a schematic view of the key access principle;
FIG. 17 is a control system hardware configuration;
FIG. 18 is a control system program flow;
wherein: 1. the key comprises a key component, a main component, a key storage component, a main frame, a touch screen, a numeric keyboard, a fingerprint recognizer, a front panel, a horizontal mounting plate, a horizontal motor driver, a horizontal bearing with a seat, a horizontal lead screw, a horizontal guide rail, a horizontal connecting plate, a vertical mounting plate, a vertical guide rail, a vertical lead screw, a double-rod cylinder mounting plate, a vertical connecting plate, a horizontal motor driver, a vertical connecting plate, a double-rod cylinder, a vertical motor driver, a lock body, a key hook mounting plate, a key hook connecting rod, a fingerprint sensor, a fingerprint, 43. The key comprises a support seat, 44 parts of a key hook, 441 parts of a tip, 45 parts of a spring retainer ring, 46 parts of a pin, 47 parts of a torsion spring, 311 parts of a lock pull rod, 312 parts of a lock guide shaft, 313 parts of a telescopic spring, 314 parts of a lock outer frame, 315 parts of a lock sliding block, 3141 parts of an upper frame, 3142 parts of a guide hole, 3143 parts of a left frame, 3144 parts of a lower frame, 91 parts of an industrial personal computer, 92 parts of a motion control card, 93 parts of a digital quantity input/output card and 94 parts of a proximity switch.
Detailed Description
The present invention will be further illustrated with reference to the following figures and specific examples, which are to be understood as merely illustrative and not restrictive of the scope of the invention.
An intelligent key cabinet is shown in figures 1 and 2 and comprises a key taking component 1, a main component 2, a key storing component 3, a control component, a main frame 4, a touch screen 5, a numeric keyboard 6 and a fingerprint identifier 7. The key taking part 1 is convenient for people to take keys, the main body part 2 is used for latching the keys, the key storing part 3 is used for storing the keys, and the control part is used for realizing the intellectualization of key storage and taking. The main frame 4 is formed by welding sectional materials, a front panel 8, a rear panel, a left panel, a right panel, an upper panel and a lower panel are arranged at the front, the rear, the left, the right, the upper and the lower parts of the main frame 4, a touch screen 5, a numeric keyboard 6 and a fingerprint identification instrument 7 are arranged on the front panel 8, and the key taking component 1, the main body component 2 and the key storage component 3 are all arranged in the main frame 4.
As shown in fig. 3 to 15, the key taking component 1 includes a horizontal moving component, a vertical moving component, a front-back moving component and a pneumatic paw 24, wherein the vertical moving component is fixedly connected to the horizontal moving component, the front-back moving component is fixedly connected to the vertical moving component, and the pneumatic paw 24 is fixedly connected to the front-back moving component.
The horizontal moving component comprises a horizontal mounting plate 11, a horizontal motor 12, horizontal belt seat bearings 13, a horizontal lead screw 14, horizontal guide rails 15, a horizontal connecting plate 16, a horizontal nut 26 and horizontal linear bearings 27, wherein the horizontal mounting plate 11 is formed by welding sectional materials, the horizontal motor 12 is mounted in the middle of one end of the horizontal mounting plate 11 through a motor supporting plate, the horizontal lead screw 14 is mounted in the middle of the horizontal mounting plate 11 through two horizontal belt seat bearings 13, the horizontal nut 26 is rotatably mounted on the horizontal lead screw 14, the horizontal nut 26 and the horizontal lead screw 14 form a lead screw nut pair, an output shaft of the horizontal motor 12 is coaxial with the horizontal lead screw 14, an output shaft of the horizontal motor 12 is connected with the horizontal lead screw 14 through a coupler, the two horizontal guide rails 15 are mounted on two sides of the horizontal lead screw 14 in parallel through supporting seats, and two horizontal linear bearings, the horizontal connecting plate 16 is fixedly connected with four horizontal linear bearings 27 and a horizontal nut 26, and when the horizontal motor 12 rotates, a screw nut pair formed by the horizontal nut 26 and the horizontal screw 14 drives the horizontal connecting plate 16 to move horizontally and linearly along the horizontal guide rail 15.
The vertical moving component comprises a vertical mounting plate 17, vertical guide rails 18, a vertical screw rod 19, a vertical connecting plate 21, vertical bearings with seats 23, a vertical motor 25 and a vertical nut 28, wherein the vertical mounting plate 17 is formed by welding sectional materials, the vertical motor 25 is mounted in the middle of one end of the vertical mounting plate 17 through a motor supporting plate, the vertical screw rod 18 is mounted in the middle of the vertical mounting plate 17 through two vertical bearings with seats 23, the vertical nut 28 is rotatably mounted on the vertical screw rod 19, the vertical nut 28 and the vertical screw rod 19 form a screw-nut pair, an output shaft of the vertical motor 25 is coaxial with the vertical screw rod 19, an output shaft of the vertical motor 25 is connected with the vertical screw rod 19 through a coupler, the two vertical guide rails 18 are mounted on two sides of the vertical screw rod 19 in parallel through supporting seats, each vertical guide rail 18 is provided with a, The vertical nut 26 is fixedly connected, when the vertical motor 25 rotates, the screw nut pair formed by the vertical nut 28 and the vertical screw 19 drives the vertical connecting plate 21 to vertically and linearly move along the vertical guide rail 18, the vertical mounting plate 17 of the vertical moving component is fixedly connected with the horizontal connecting plate 16 of the horizontal moving component, and the horizontal linear movement of the horizontal connecting plate 16 drives the vertical moving component to horizontally and linearly move.
The front-back moving assembly comprises a double-rod cylinder mounting plate 20 and a double-rod cylinder 22, the double-rod cylinder 22 is fixedly mounted on the double-rod cylinder mounting plate 20 through screws, a pneumatic paw 24 is fixedly mounted on a piston rod of the double-rod cylinder 22, the piston rod of the double-rod cylinder 22 extends out or retracts to drive the pneumatic paw 24 to move back and forth, the front-back moving assembly double-rod cylinder mounting plate 20 is fixedly mounted on a vertical connecting plate 21 of the vertical moving assembly, and the vertical linear movement of the vertical connecting plate 21 drives the front-back moving assembly to vertically and linearly move.
The main body component 2 comprises a body welding frame 30 provided with a plurality of laminate plates and a plurality of lock bodies 31 arranged on each laminate plate in parallel, each lock body 31 comprises a lock body pull rod 311, a lock body guide shaft 312, a telescopic spring 313, a lock body outer frame 314 and a lock body sliding block 315, each lock body outer frame 314 comprises an upper frame 3141, a left frame 3143 and a lower frame 3144, two guide holes 3142 are arranged in the left frame 3143, two lock body guide shafts 312 are fixedly arranged on each lock body sliding block 315, each lock body sliding block 315 is movably arranged between the upper frame 3141 and the lower frame 3144 of each lock body outer frame 314, the two lock body guide shafts 312 penetrate through the two guide holes 3142 in the left frame 3143, one end of each telescopic spring 313 is connected with the left frame 3143, the other end of each telescopic spring is connected with the lock body sliding block 315, and the; the lower frame 3144 of the lock body 31 is fixedly connected with the laminate plate of the body welding frame 30.
The key storage component 3 comprises a key hook mounting plate 41, key hook connecting rods 42, a supporting seat 43, a key hook 44, spring retaining rings 45, pins 46 and a torsion spring 47, wherein the key hook mounting plate 41 corresponds to the main component 2, a plurality of key hook connecting rods 42 are arranged through the supporting seat 43 from top to bottom, the key hook connecting rods 42 are sleeved with a plurality of key hooks 44 through the pins 46 and the torsion spring 47, and the spring retaining rings 45 are respectively sleeved on the key hook connecting rods 42 on two sides of the key hook 44 for axial positioning.
As shown in fig. 16, when the lock slider 315 is retracted, the end of the key hook 44 facing the cabinet, i.e., the tip 441, is no longer restrained by the tip of the lock slider 315 and can be pivoted about the key hook connecting rod 42 by force to allow removal or storage of the key.
As shown in fig. 17, the control unit includes an industrial personal computer 91, a motion control card 92, a digital input/output card 93, the motion control card 92 and the digital input/output card 93 are respectively connected with the industrial personal computer 91 through a PCI bus, the fingerprint identifier 7 is connected with a USB port of the industrial personal computer 91, the numeric keypad 6 is connected with a PS/2 interface of the industrial personal computer 91, a USB interface and a VGA interface of the touch screen 5 are respectively connected with a USB interface and a VGA interface of the industrial personal computer 91 correspondingly, a horizontal motor driver 121 on the horizontal motor 12 and a vertical motor driver 251 on the vertical motor 25 are respectively connected with an output port of the motion control card 92 through signals, so as to control the motion of the horizontal motor 12 and the vertical motor 25, a first electromagnetic valve 221 on the double-rod cylinder 22 is connected with an output port of the digital input/output card 93 through a signal, a second electromagnetic valve 241 on the pneumatic gripper 24, respectively controlling the expansion of the piston rod of the double-rod cylinder and the clamping and loosening of the pneumatic claw 24. The key cabinet is also provided with a proximity switch 94, one side of each key hook 44 is correspondingly provided with one proximity switch 94, the proximity switch 94 is in signal connection with an input port of the digital quantity input/output card 93, and the proximity switch 94 is used for judging whether a key of each key access bit is in place or not and transmitting information to an industrial personal computer for data storage through the digital quantity input/output card.
The industrial personal computer 91 is internally provided with a database, the database comprises a user authority table, a key storage position table and a key use condition table, the user authority table comprises a fingerprint field, a name field, a number 1 key use authority field, a number 2 key use authority field, … and a number n key use authority field, the key storage position table comprises a key number field, a storage position X direction field and a storage position Y direction field, the key use condition table comprises a key number field, a lending time field, a returning time field and a borrower field, and the field structures of the tables are shown in the following tables 1-3:
TABLE 1 user Authority Table data Structure
| Name of field | Data type | Field size | Decimal place | Mandatory field | Allowing empty strings |
| Finger print | Text | 40 | -- | Is that | Whether or not |
| Name (I) | Text | 10 | -- | Is that | Whether or not |
| Number 1 Key usage Authority | Boolean | 1 | -- | Is that | Whether or not |
| |
Boolean | 1 | -- | Is that | Whether or not |
| .... | Boolean | 1 | -- | Is that | Whether or not |
| Number n key usage rights | Boolean | 1 | -- | Is that | Whether or not |
TABLE 2 Key storage location table
| Name of field | Data type | Field size | Decimal place | Mandatory field | Allowing empty strings |
| Key number | Text | 3 | -- | Is that | Whether or not |
| In the X direction of the storage position | Number of | 6 | 2 | Is that | Whether or not |
| Y direction of storage position | Number of | 6 | 2 | Is that | Whether or not |
TABLE 3 Key usage table
| Name of field | Data type | Field size | Decimal place | Mandatory field | Allowing empty strings |
| Key number | Text | 3 | -- | Is that | Whether or not |
| Lending time | Time of day | -- | -- | Is that | Whether or not |
| Return time | Time of day | -- | -- | Is that | Whether or not |
| Borrower | Text | 10 | -- | Is that | Whether or not |
The control system software package includes an access control unit and an information management unit. The access control unit controls the storage and the distribution of the keys of the intelligent key management cabinet and mainly comprises motion control, data acquisition and man-machine interaction. The motion control controls the operation of the horizontal motor 12 and the vertical motor 25, the expansion and contraction of the piston rod of the double-rod cylinder and the clamping and loosening of the pneumatic claw 24, data acquisition and collection of the state of each proximity switch 94 and the fingerprint of a user, and man-machine interaction obtains information input by the user, information of the current key on-site information, the motor running state and the like. The information management unit comprises user management and data statistics, wherein the user management is used for setting the authority of different users, adding users, deleting users and the like, and the data statistics is used for the use condition of the key.
As shown in fig. 18, the control system processes the user's identity through the fingerprint collector 7, then obtains the user's authority from the user authority table, judging whether the user has the access authority or not according to the number of the key to be accessed or accessed by the user, if not, the user's request for access/pickup is rejected, if yes, the position of the numbered key is obtained from the key storage position table, the horizontal motor 12 and the vertical motor 25 are driven, the pneumatic claw 24 is moved to the corresponding position, the double-rod cylinder 22 and the pneumatic claw 24 are driven to act, the access/pickup of the key is realized, if the key is picked up, a record is added to the key usage table, the time of the borrowing of the key is recorded, and if the borrower is a key storage, the return time of the key is recorded in the field of the corresponding recorded return time in the key usage table.
More specifically, the method for storing the key in the intelligent key cabinet includes the steps of:
s1, a user touches a fingerprint identification area of a fingerprint identification instrument 7, inputs a storage button through a digital keyboard 6 or a touch screen 5, and inputs a number of a corresponding key access position through the digital keyboard 6 or the touch screen 5;
s2, a fingerprint identification instrument 7 collects user fingerprint information, a numeric keyboard 6 or a touch screen 5 obtains input information and respectively transmits the information to an industrial personal computer 91, the industrial personal computer 91 judges the authority of a user according to the digital number of the key to be stored of the user and the fingerprint information, if the authority is not available, the user is refused to request for storing the key, and if the authority is available, the next step is carried out;
s3, the industrial personal computer 91 transmits the received digital number information of the stored key to the motion control card 92, the motion control card 92 outputs signals to the horizontal motor driver 121 and the vertical motor driver 251 respectively, the horizontal moving assembly and the vertical moving assembly move to enable the pneumatic paw 24 of the key taking component to move to the key access position of the corresponding digital number, and the horizontal moving assembly and the vertical moving assembly stop moving;
s4, the industrial personal computer 91 sends a control signal to the digital quantity input and output card 93, the digital quantity input and output card 93 sends a signal to the second electromagnetic valve 241 on the pneumatic claw 24, the pneumatic claw 24 clamps and pulls the lock body pull rod 311 of the lock body 31, and the pneumatic claw 24 keeps a clamping state;
s5, the industrial personal computer 91 sends a control signal to the digital quantity input and output card 93 again, the digital quantity input and output card 93 sends a signal to the first electromagnetic valve 221 of the front-back moving assembly, and the piston rod of the front-back moving assembly retracts to enable the pneumatic claw 24 to drive the lock body sliding block 315 of the lock body 31 to retract;
s6, a user forcibly presses down the key hook 44 at the key access position with the corresponding number, so that the key hook 44 rotates around the key hook connecting rod 42, and the user places a key on the key hook 44;
s7, the user releases the key hook 44, the key hook 44 reversely rotates around the key hook connecting rod 42 under the action of the torsion spring 47, the key hook 44 is lifted upwards until the position of the end part, namely the tip 441, of the key hook 44 facing the inside of the cabinet is lower than the position of the lock body sliding block 315 of the corresponding lock body 31, and the torsion spring 47 resets;
s8, the industrial personal computer 91 sends a control signal to the digital quantity input and output card 93 again, the digital quantity input and output card 93 sends signals to the second electromagnetic valve 241 on the pneumatic claw 24 and the first electromagnetic valve 221 on the forward and backward moving assembly in sequence, the pneumatic claw 24 loosens the lock body pull rod 311 of the lock body 31, and the piston rod of the forward and backward moving assembly resets;
s9, the lock body sliding block 315 of the lock body 31 extends out under the action of the telescopic spring 313 to lock the key hook 44, and key storage is completed.
The method for taking the key comprises the following steps:
s I, a user touches a fingerprint identification area of a fingerprint identification instrument 7, inputs a 'get' button through a digital keyboard 6 or a touch screen 5, and inputs a digital number of a corresponding key access bit through the digital keyboard 6 or the touch screen 5;
s II, the fingerprint identification instrument 7 collects user fingerprint information, the numeric keyboard 6 or the touch screen 5 obtains input information and respectively transmits the information to the industrial personal computer 91, the industrial personal computer 91 judges the authority of a user according to the digital number and the fingerprint information of a key which the user intends to obtain, if the authority is not available, the user is refused to request for obtaining the key, and if the authority is available, the next step is carried out;
s III, the industrial personal computer 91 transmits the received digital number information of the key taking to the motion control card 92, the motion control card 92 outputs signals to the horizontal motor driver 121 and the vertical motor driver 251 respectively, the horizontal moving assembly and the vertical moving assembly move to enable the pneumatic paw 24 of the key taking part to move to the key access position of the corresponding digital number, and the horizontal moving assembly and the vertical moving assembly stop moving;
s IV, the industrial personal computer 91 sends a control signal to the digital quantity input/output card 93, the digital quantity input/output card 93 sends a signal to the second electromagnetic valve 241 on the pneumatic claw 24, the pneumatic claw 24 clamps and pulls the lock body pull rod 311 of the lock body 31, and the pneumatic claw 24 keeps a clamping state;
s V, the industrial personal computer 91 sends a control signal to the digital quantity input and output card 93 again, the digital quantity input and output card 93 sends a signal to the first electromagnetic valve 221 on the front-back moving assembly, and the piston rod of the front-back moving assembly retracts to enable the pneumatic claw 24 to drive the lock body sliding block 315 of the lock body 31 to retract;
s VI, the user presses down the key hook 44 with force at the key access position with the corresponding number, the key hook 44 rotates around the key hook connecting rod 42, the key can be taken down, and after the key is taken down, the user releases the key hook 44 to reset the key hook 44;
and S VII, the industrial personal computer 91 sends a control signal to the digital input and output card 93 again, and the digital input and output card 93 sends signals successively to enable the pneumatic gripper 24 and the front-back moving assembly to move, so that the lock body 31 is reset.
Claims (5)
1. An intelligent key cabinet is characterized by comprising a main frame (4), a key taking component (1), a main component (2), a key storing component (3) and a control component, wherein the key taking component, the main component (2), the key storing component (3) and the control component are arranged in the main frame (4) in a built-in mode, and a touch screen (5), a numeric keyboard (6) and a fingerprint identification instrument (7) are arranged on a front panel (8) of the main frame (4);
the key taking part (1) comprises a horizontal moving component, a vertical moving component, a front-back moving component and a pneumatic paw (24), wherein the vertical moving component is fixedly connected to the horizontal moving component, the front-back moving component is fixedly connected to the vertical moving component, and the pneumatic paw (24) is fixedly connected to the front-back moving component;
the main body component (2) comprises a body welding frame (30) provided with a plurality of laminate plates, a plurality of lock bodies (31) are arranged on each laminate plate in parallel, each lock body (31) comprises a lock body pull rod (311), a lock body guide shaft (312), a telescopic spring (313), a lock body outer frame (314) and a lock body sliding block (315), each lock body outer frame (314) comprises an upper border (3141), a left border (3143) and a lower border (3144), two guide holes (3142) are arranged in the left border (3143), two lock body guide shafts (312) are fixedly arranged on each lock body sliding block (315), each lock body sliding block (315) is movably arranged between the upper border (3141) and the lower border (3144) of each lock body outer frame (314), and the two lock body guide shafts (312) penetrate through the two guide holes (3142) in the left border (3143), one end of the telescopic spring (313) is connected with the left frame (3143), the other end of the telescopic spring is connected with the lock body sliding block (315), and the lock body pull rod (311) is connected with the lock body guide shaft (312) through a pin; a lower frame (3144) of the lock body (31) is fixedly connected with a laminate of the body welding frame (30);
the key storage component (3) comprises a key hook mounting plate (41), a key hook connecting rod (42), a supporting seat (43), a key hook (44), spring retaining rings (45), pins (46) and torsion springs (47), wherein the key hook mounting plate (41) corresponds to the main component (2), a plurality of key hook connecting rods (42) are arranged from top to bottom through the supporting seat (43), the key hook connecting rods (42) are sleeved with the key hooks (44) through the pins (46) and the torsion springs (47), and the spring retaining rings (45) are respectively sleeved on the key hook connecting rods (42) on two sides of the key hooks (44) for axial positioning;
the control component comprises an industrial personal computer (91), a motion control card (92) and a digital quantity input/output card (93), the motion control card (92) and the digital quantity input/output card (93) are respectively in signal connection with the industrial personal computer (91), the touch screen (5), the numeric keyboard (6) and the fingerprint identifier (7) are respectively in signal connection with corresponding interfaces of the industrial personal computer (91), the horizontal moving assembly and the vertical moving assembly are respectively in signal connection with an output port of the motion control card (92), and the front-back moving assembly and the pneumatic claw (24) are respectively in signal connection with an output port of the digital quantity input/output card (93);
the horizontal moving assembly comprises a horizontal mounting plate (11), a horizontal motor (12), a horizontal bearing with a seat (13), a horizontal lead screw (14), a horizontal guide rail (15), a horizontal connecting plate (16), a horizontal nut (26) and a horizontal linear bearing (27), wherein the horizontal mounting plate (11) is formed by welding sectional materials, the horizontal motor (12) is mounted in the middle of one end of the horizontal mounting plate (11) through a motor supporting plate, a horizontal motor driver (121) on the horizontal motor (12) is in signal connection with an output port of the motion control card (92), the horizontal lead screw (14) is mounted in the middle of the horizontal mounting plate (11) through two horizontal bearings with a seat (13), the horizontal nut (26) is rotatably mounted on the horizontal lead screw (14), and the horizontal nut (26) and the horizontal lead screw (14) form a lead screw nut pair, the output shaft of the horizontal motor (12) is coaxial with the horizontal lead screw (14), the output shaft of the horizontal motor (12) is connected with the horizontal lead screw (14) through a coupler, two horizontal guide rails (15) are parallelly installed on two sides of the horizontal lead screw (14) through a support seat, two horizontal linear bearings (27) are installed on each horizontal guide rail (15), the horizontal connecting plate (16) is fixedly connected with the four horizontal linear bearings (27) and one horizontal nut (26), and when the horizontal motor (12) rotates, a lead screw nut pair formed by the horizontal nut (26) and the horizontal lead screw (14) drives the horizontal connecting plate (16) to horizontally and linearly move along the horizontal guide rails (15);
the vertical moving component comprises a vertical mounting plate (17), a vertical guide rail (18), a vertical screw rod (19), a vertical connecting plate (21), a vertical bearing with a seat (23), a vertical motor (25) and a vertical nut (28), wherein the vertical mounting plate (17) is formed by welding sectional materials, the vertical motor (25) is arranged in the middle of one end of the vertical mounting plate (17) through a motor supporting plate, the vertical screw rod (18) is arranged in the middle of the vertical mounting plate (17) through two vertical bearings with a seat (23), the vertical nut (28) is rotatably arranged on the vertical screw rod (19), the vertical nut (28) and the vertical screw rod (19) form a screw rod nut pair, and an output shaft of the vertical motor (25) is coaxial with the vertical screw rod (19), the output shaft of the vertical motor (25) is connected with the vertical screw (19) through a coupling, a vertical motor driver (251) on the vertical motor (25) is in signal connection with the output port of the motion control card (92), two vertical guide rails (18) are parallelly installed on two sides of the vertical screw (19) through a support seat, each vertical guide rail (18) is provided with a linear bearing, the vertical connecting plate (21) is fixedly connected with the linear bearings and the vertical nut (26), when the vertical motor (25) rotates, a screw nut pair formed by the vertical nut (28) and the vertical screw (19) drives the vertical connecting plate (21) to vertically and linearly move along the vertical guide rail (18), the vertical mounting plate (17) of the vertical moving assembly is fixedly connected with the horizontal connecting plate (16) of the horizontal moving assembly, the horizontal linear movement of the horizontal connecting plate (16) drives the vertical moving component to move horizontally and linearly;
the front-back moving component comprises a double-rod cylinder mounting plate (20) and a double-rod cylinder (22), the double-rod cylinder (22) is fixedly arranged on the double-rod cylinder mounting plate (20) through screws, a first electromagnetic valve (221) on the double-rod cylinder (22) is in signal connection with an output port of the digital quantity input/output card (93), the pneumatic paw (24) is fixedly arranged on a piston rod of the double-rod cylinder (22), a second electromagnetic valve (241) on the pneumatic gripper (24) is in signal connection with an output port of the digital quantity input/output card (93), the piston rod of the double-rod cylinder (22) extends or retracts to drive the pneumatic paw (24) to move back and forth, the double-rod cylinder mounting plate (20) of the back-and-forth moving assembly is fixedly mounted on the vertical connecting plate (21) of the vertical moving assembly, and the vertical linear movement of the vertical connecting plate (21) drives the back-and-forth moving assembly to vertically and linearly move.
2. The smart key cabinet as claimed in claim 1, further comprising a proximity switch (94), wherein one proximity switch (94) is correspondingly arranged at one side of each key hook (44), and the proximity switch (94) is connected with an input port signal of the digital quantity input/output card (93).
3. The intelligent key cabinet as claimed in claim 1, wherein the motion control card (92) and the digital input/output card (93) are respectively in signal connection with the industrial personal computer (91) through a PCI bus, the fingerprint identifier (7) is connected with a USB port of the industrial personal computer (91), the numeric keyboard (6) is connected with a PS/2 interface of the industrial personal computer (91), and a USB interface and a VGA interface of the touch screen (5) are respectively correspondingly connected with a USB interface and a VGA interface of the industrial personal computer (91).
4. An intelligent key cabinet according to claim 1, wherein a database is arranged in the industrial personal computer (91), the database comprises a user authority table, a key storage position table and a key use condition table, the user authority table comprises a fingerprint field, a name field, a number 1 key use authority field, a number 2 key use authority field, … and a number n key use authority field, the key storage position table comprises a key number field, a storage position X-direction field and a storage position Y-direction field, and the key use condition table comprises a key number field, a borrowing time field, a returning time field and a borrower field.
5. A method for accessing keys through the intelligent key cabinet as claimed in any one of claims 1 to 4,
firstly, the key storage method comprises the following steps:
s1, a user touches a fingerprint identification area of a fingerprint identification instrument (7), inputs a storage button through a digital keyboard (6) or a touch screen (5), and inputs a number of a corresponding key access position through the digital keyboard (6) or the touch screen (5);
s2, a fingerprint identification instrument (7) collects user fingerprint information, a numeric keyboard (6) or a touch screen (5) acquires input information and respectively transmits the information to an industrial personal computer (91), the industrial personal computer (91) judges user authority according to the digital number of a key to be stored by a user and the fingerprint information, if the user does not have the authority, a request of the user for storing the key is refused, and if the user has the authority, the next step is carried out;
s3, the industrial personal computer (91) transmits the received digital number information of the stored key to the motion control card (92), the motion control card (92) outputs signals to the horizontal moving assembly and the vertical moving assembly respectively, the horizontal moving assembly and the vertical moving assembly move to enable the pneumatic paw (24) of the key taking part to move to the key access position of the corresponding digital number, and the horizontal moving assembly and the vertical moving assembly stop moving;
s4, the industrial personal computer (91) sends a control signal to the digital quantity input and output card (93), the digital quantity input and output card (93) sends a signal to the pneumatic gripper (24), the pneumatic gripper (24) clamps and pulls the lock body pull rod (311) of the lock body (31), and the pneumatic gripper (24) keeps a clamping state;
s5, the industrial personal computer (91) sends a control signal to the digital quantity input and output card (93) again, the digital quantity input and output card (93) sends a signal to the front-back moving assembly, and a piston rod of the front-back moving assembly retracts to enable the pneumatic claw (24) to drive a lock body sliding block (315) of the lock body (31) to retract;
s6, a user forcibly presses down the key hook (44) at the key access position with the corresponding number, so that the key hook (44) rotates around the key hook connecting rod (42), and the user places a key on the key hook (44);
s7, a user releases the key hook (44), the key hook (44) reversely rotates around the key hook connecting rod (42) under the action of the torsion spring (47), the key hook (44) is lifted upwards until the end position, facing the inside of the cabinet, of the key hook (44) is lower than the position of a lock body sliding block (315) of the corresponding lock body (31), and the torsion spring (47) resets;
s8, the industrial personal computer (91) sends a control signal to the digital quantity input and output card (93) again, the digital quantity input and output card (93) sends signals to the pneumatic gripper (24) and the front-back moving assembly in sequence, the pneumatic gripper (24) loosens a lock body pull rod (311) of the lock body (31), and a piston rod of the front-back moving assembly resets;
s9, a lock body sliding block (315) of the lock body (31) extends out under the action of a telescopic spring (313), and a key hook (44) is locked to complete key storage;
secondly, the key taking method comprises the following steps:
s I, a user touches a fingerprint identification area of a fingerprint identification instrument (7), inputs a 'get' button through a digital keyboard (6) or a touch screen (5), and inputs a digital number of a corresponding key access position through the digital keyboard (6) or the touch screen (5);
s II, a fingerprint identification instrument (7) collects user fingerprint information, a digital keyboard (6) or a touch screen (5) obtains input information and respectively transmits the information to an industrial personal computer (91), the industrial personal computer (91) judges user authority according to the digital number of a key to be taken by a user and the fingerprint information, if the user does not have the authority, the user is refused to request for taking the key, and if the user has the authority, the next step is carried out;
s III, the industrial personal computer (91) transmits the received digital number information of the key taking to the motion control card (92), the motion control card (92) outputs signals to the horizontal moving assembly and the vertical moving assembly respectively, the horizontal moving assembly and the vertical moving assembly move to enable the pneumatic paw (24) of the key taking part to move to the key access position of the corresponding digital number, and the horizontal moving assembly and the vertical moving assembly stop moving;
s IV, an industrial personal computer (91) sends a control signal to a digital quantity input/output card (93), the digital quantity input/output card (93) sends a signal to a pneumatic claw (24), the pneumatic claw (24) clamps and pulls a lock body pull rod (311) of a lock body (31), and the pneumatic claw (24) keeps a clamping state;
s V, the industrial personal computer (91) sends a control signal to the digital quantity input and output card (93) again, the digital quantity input and output card (93) sends a signal to the front-back moving assembly, and a piston rod of the front-back moving assembly retracts to enable the pneumatic claw (24) to drive a lock body sliding block (315) of the lock body (31) to retract;
s VI, the user presses down the key hook (44) with force at the key access position with the corresponding number, the key hook (44) rotates around the key hook connecting rod (42) to take down the key, and after the key is taken down, the user releases the key hook (44) to reset the key hook (44);
and S VII, the industrial personal computer (91) sends a control signal to the digital input and output card (93) again, the digital input and output card (93) sends signals in sequence to enable the pneumatic gripper (24) and the front-back moving assembly to move, and the lock body (31) resets.
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| CN111543797B (en) * | 2020-03-04 | 2021-07-09 | 江苏科技大学 | Intelligent key storage cabinet body and working method thereof |
| CN113309411B (en) * | 2021-04-16 | 2023-01-17 | 广东电力信息科技有限公司 | Novel intelligent management key equipment |
| CN113907542B (en) * | 2021-09-30 | 2023-08-29 | 远大工控技术（杭州）有限公司 | Intelligent key cabinet convenient to key access management |
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Effective date of registration: 20231129 Address after: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20231129 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |