CN110374410B

CN110374410B - Intelligent lock of communication cabinet

Info

Publication number: CN110374410B
Application number: CN201910496829.8A
Authority: CN
Inventors: 郭亮
Original assignee: Xinzhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Current assignee: Xinzhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2021-10-08
Anticipated expiration: 2039-06-10
Also published as: CN110374410A

Abstract

The invention discloses an intelligent lock of a communication cabinet, which comprises a lock body (2) and a pressing plate (3), wherein the lock body (2) is positioned on the front surface of a cabinet door (1), and the pressing plate (3) is positioned on the back surface of the cabinet door (1); the lock body (2) and the pressing plate (3) are arranged on the cabinet door (1) through pressing plate fixing screws (4); the outer side of the lock body (2) is provided with a lock handle (11), the upper end of the lock handle (11) is connected with a transmission body (9) through a pin shaft (25), the pin shaft (25) is sleeved with a torsion spring (10) used for bouncing the lock handle (11), the transmission body (9) is movably fixed at the upper part in the lock body (2), and the end part of the transmission body (9) is fixedly provided with a door bolt (5). The staff can use the terminal of unblanking to unblock through the bluetooth mode. Each intelligent lock is provided with an independent secret key, during unlocking, a password is set by the management background to inform field personnel to unlock, an unlocking record is generated simultaneously, and when the key is used for unlocking, the background management center displays a manual unlocking record.

Description

Intelligent lock of communication cabinet

Technical Field

The invention relates to the field of power communication equipment, in particular to an intelligent lock of a communication cabinet, which is used for replacing a traditional lock of a cabinet door of the communication cabinet.

Background

The power communication equipment needs to be regularly patrolled according to the operation management regulations, but the patrol is not timely and not in place, so that the hidden danger of the equipment (such as short circuit caused by rain leakage and water seepage and equipment heating and aging caused by overhigh temperature) cannot be found timely, and the accident causing major accidents also happens occasionally. The intelligent lock with the lock opening and closing recording function is developed, the intelligent key capable of identifying the identity of a manager is developed, a flexible and various management form is adopted, the management problem of the traditional lock, particularly the traditional lock, is solved, and the intelligent lock is a problem which needs to be solved urgently in management of the lock of the power system equipment.

Disclosure of Invention

The intelligent cabinet lock based on the cloud architecture is developed and designed on the basis of a common cabinet lock and a card reading lock. The Bluetooth module, the entrance guard controller and the like are skillfully integrated in the cabinet lock body, so that the cabinet lock body is integrated, and the installation and debugging are convenient; and combine RS485 network communication, constitute "the discrepancy" control system of intelligent security, have the security personnel, the monitoring function of network connection, it adopts electronic intelligence control, smart mobile phone bluetooth APP to unblank, and the function is many, safe and reliable.

The invention is realized by adopting the following technical scheme:

an intelligent lock of a communication cabinet comprises a lock body and a pressing plate, wherein the lock body is positioned on the front surface of a cabinet door, and the pressing plate is positioned on the back surface of the cabinet door; the lock body and the pressing plate are mounted on the cabinet door through pressing plate fixing screws.

The lock body is characterized in that a lock handle is arranged on the outer side of the lock body, the upper end of the lock handle is connected with a transmission body through a pin shaft, a torsional spring used for bouncing the lock handle is sleeved on the pin shaft, the transmission body is movably fixed on the upper portion in the lock body, and a door bolt is fixedly installed at the end portion of the transmission body.

The middle part in the lock body is provided with an electromagnet assembly, an electromagnet lock tongue is vertically arranged in the electromagnet assembly, and a reset spring is sleeved outside the electromagnet lock tongue.

The lower part of the lock handle is provided with a lock sleeve, and the upper part of the inner end of the lock sleeve is provided with a notch; a lock cylinder is arranged in the lock sleeve, a transverse groove is formed in the inner end of the lock cylinder, and the transverse groove corresponds to the notch; when the electromagnet is powered off, the lower end of the electromagnet lock tongue is positioned in the transverse groove of the lock cylinder under the action of the reset spring.

And a lock control system module is arranged on the lock body.

When the lock works, an electric control unlocking mode is adopted, and the inner end of the lock core only needs to be provided with a transverse groove which corresponds to the notch of the lock sleeve; in a locked state, the electromagnet lock tongue is clamped in the transverse groove of the lock cylinder after extending out, and the lock handle cannot be pulled up; under the state of unblanking, the electro-magnet gets electric back with electro-magnet spring bolt upward movement, breaks away from the transverse groove after, the lock handle outwards bounces under the effect of torsional spring, can open the cabinet door after the rotation.

Preferably, a lock cylinder is movably arranged in the lock sleeve, an axial groove is further formed in the inner end of the lock cylinder, and a key hole is formed in the outer end of the lock cylinder. When the lock core is movably arranged in the lock sleeve (the lock core can rotate), the outer end of the lock core is provided with a key hole, and the outer side of the lock body is provided with a key hole baffle. The inner end of the lock cylinder is provided with a transverse groove and an axial groove, at the moment, two modes of unlocking by a mechanical key or electrically controlled unlocking can be adopted, under the locking state, the electromagnet in the electromagnet assembly is powered off, and the lower end of the electromagnet lock tongue is positioned in the transverse groove of the lock cylinder under the action of the reset spring. The electronic control unlocking mode is adopted, as described above, after the lock control system module receives an unlocking instruction, the electromagnet is electrified, and the locking tongue of the electromagnet is attracted to move upwards to unlock; however, no matter whether the electric control mode breaks down, the mechanical unlocking mode can be adopted, the mechanical key is inserted and then rotated, the lock cylinder is rotated, the axial groove coincides with the notch of the lock sleeve, the electromagnet lock tongue is converted to the axial groove through the transverse groove positioned on the lock cylinder, the clamping effect is lost, the lock handle bounces under the effect of the torsion spring, the lock handle 11 is rotated again, the cabinet door can be opened, and the mechanical unlocking is realized.

Preferably, the axial and transverse grooves are at 90 degrees. Insert rotatory 90 degrees behind the mechanical key, at the rotatory 90 degrees of lock core, the notch coincidence of axial groove and lock sleeve this moment, the electro-magnet spring bolt is transformed to the axial groove and is lost the block effect by the transverse groove that is located the lock core, so the lock handle plays under the effect of torsional spring, rotates 90 degrees with the lock handle once more, can open the cabinet door, realizes that machinery unblanks.

Preferably, a keyhole baffle is arranged on the outer side of the lock body. Under normal conditions, the key hole is sheltered from by the key hole baffle, and the key hole baffle passes through the hex bolts and installs in the lock body. The mechanical unlocking mode is adopted, firstly, after a hexagon screw is adopted to screw a hexagon bolt, a key hole cover plate is detached, and a mechanical key is inserted to unlock the lock.

Preferably, a clamping groove for placing a lock handle is formed in the outer side of the lock body.

Preferably, the transmission body is provided with a limiting piece for limiting the left opening or the right opening of the lock handle. The middle of the limiting piece is a square hole and rotates along with the transmission body, a part of flange is arranged on the limiting piece, and when the limiting piece is positioned in the sleeve, a certain leftward or rightward movable rotating space is formed, so that the left rotation and the right rotation of the transmission body are limited.

Preferably, an RFID card reader is arranged on the outer side face of the lock body.

Preferably, the lock control system module is connected with the bluetooth module.

Preferably, the lock control system module is connected with the door magnetic sensor, the infrared sensor and the alarm module.

The operation of the lock is described in detail as follows:

1. bluetooth unlocking

There are 2 cell-phone APP modes of unblanking

1) The mobile phone APP is logged in, the Bluetooth device is searched, device information is sent to the cloud platform, the platform audits and sends an opening permission instruction to the mobile phone end after passing through, and after the mobile phone receives the opening permission instruction, the mobile phone sends the opening permission instruction to the Bluetooth lock through the Bluetooth to execute an opening action.

2) And issuing a door opening permission to the mobile phone in advance, searching the Bluetooth equipment after logging in the APP, and directly manually operating to send a door opening instruction to unlock.

2. Remote unlocking

Remote signals are sent to a lock control system module, the module powers on an electromagnet, the electromagnet is attracted, a bolt of the electromagnet overcomes the elasticity of a spring and is separated from a horizontal groove at the lower end of a lock cylinder, and a handle rotates for 90 degrees to unlock.

3. Key unlocking

The lock handle is provided with a lock core, and the lower end of the lock core is provided with a transverse groove and an axial groove; the lower end of the convex part (lock sleeve) of the lock handle is provided with a notch, when the lock core rotates to the axial groove and is superposed with the notch, the lower end of the lock handle can be flicked, the lock handle is rotated, the transmission body drives the fixedly connected lock tongue to rotate, and the lock tongue of the door is separated from the buckled door frame, so that the door opening is realized; when the lock core rotates to the transverse groove and is overlapped with the notch, the electromagnet lock tongue is always in an extending state under the action of the spring, and the end part of the lock tongue is buckled on the lower edge of the transverse groove, so that the lock handle is limited in the handle groove of the door lock body, and the transmission body and the fixedly connected door lock tongue are locked, and the door is closed.

The intelligent lock system of the communication cabinet comprises a cloud platform, a mobile operation terminal (including APP) and an intelligent lock, and the topology of the system is shown in figure 1.

The cloud platform is mainly used for storage maintenance and basic setting of data, and supports are provided for the use of the APP and the intelligent lock. The cloud platform realizes a closed-loop management system of the electric power assets through interactive sharing of information with the APP, and helps an electric power company to promote a refined management and control level.

The APP has two unlocking modes of normal unlocking and offline unlocking, unlocking can be performed under different network environments, and convenient and efficient experience is achieved.

The intelligent lock is internally provided with a Bluetooth module, and the staff can unlock through a Bluetooth mode by using the unlocking terminal. Every intelligent lock all has independent key, during the unblock, sets up the password by the management backstage, and the notice field personnel unblank, produce the record of unblanking simultaneously, and the key is unblanked, then backstage management center shows manual record of unblanking, has really accomplished safe convenient.

The invention has reasonable design and good practical application and popularization value.

Drawings

Fig. 1 shows a system topology diagram consisting of a cloud platform, a mobile operation terminal (including APP) and an intelligent lock.

Fig. 2 is a schematic diagram showing a comparison between a conventional lock and the intelligent lock of the present invention.

Fig. 3 is a diagram showing the overall operation of the intelligent lock of the present invention.

Fig. 4 shows a background management diagram.

Figure 5 shows a side view of the lock.

Figure 6 shows a front view of the lock.

Figure 7 shows a schematic view of the electromagnet assembly in the lock body.

Figure 8 shows an exploded view of the lock.

Fig. 9 shows a working schematic diagram of the spacing piece.

Figure 10 shows a cross-sectional view of the lock.

Fig. 11 shows a schematic view of the axial groove of the lock core corresponding to the notch of the lock sleeve.

Fig. 12 is a schematic view showing the state that the transverse groove of the lock cylinder corresponds to the notch of the lock sleeve.

Fig. 13 shows a schematic structural view of the lock cylinder.

FIG. 14 shows a rear view of the lock handle.

FIG. 15 is a schematic view of the lock closed position.

Fig. 16 shows a key unlock view.

Fig. 17 shows an electrically controlled unlocking schematic.

In the figure: 1-cabinet door, 2-lock body, 3-press plate, 4-press plate fixing screw, 5-door lock tongue, 6-lock tongue fixing screw, 7-gasket, 8-spacing piece, 9-transmission body, 10-torsion spring, 11-lock handle, 12-geomagnetic iron component, 13-electromagnet lock tongue, 14-reset spring, 15-lock sleeve, 16-lock core, 17-transverse groove, 18-axial groove, 19-notch, 20-key, 21-key hole, 22-key hole cover plate, 23-hexagon bolt, 24-hexagon screw, 25-pin shaft, 26- (transmission body) sleeve and 27-lock control system module.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

1. Comparison of a conventional lock with a smart lock, as shown in FIG. 2;

the traditional lock: no door opening record is recorded; the lock needs to be replaced after the key is lost.

The intelligent lock: the lock can be unlocked through a mobile phone and a remote (background administrator), the door opening history can be realized, the data statistics is facilitated, the responsibility is implemented, and the night patrol record can be realized.

The outstanding advantage is that: the intelligent anti-theft lock is unique in the industry and the like, and adopts advanced Bluetooth chip technical protocol compatibility, radio frequency performance and excellent waterproof performance, three-level lightning protection, and an emergency key adopts a computer key lock cylinder with extremely low mutual opening rate.

2. Realizing the functions, as shown in figures 3 and 4;

the access control authorization can reach 65536 users at most.

Software authorization: authorized by the system software through networked communications (suggesting the use of software authorization).

Event records, up to 65536 histories, and over 65536 records, the oldest stored history is overwritten.

RS485 networking real-time monitoring, door state, handle state, real-time clock function.

A time period management function; the communication protocol and encryption mode can be customized.

And an emergency mechanical key unlocking function (the safety is ensured by adopting a computer key lock cylinder with extremely low mutual unlocking rate in the industry).

The functions of authority application, unlocking authority management, user management, unlocking record inquiry, personnel unlocking quantity inquiry and the like can be realized.

Remote unlocking can be realized.

The intelligent lock state is monitored in real time, the combined type door magnet design is adopted, the lock magnet is arranged in the intelligent lock, the door magnet is connected externally, the cabinet lock state and the cabinet door state can be detected in real time, and the alarm can be uploaded in time when illegal unlocking or illegal opening is carried out.

3. Technical implementation process

The intelligent lock system of the communication cabinet comprises a cloud platform, a mobile operation terminal (comprising an APP) and an intelligent lock.

The built-in bluetooth module of intelligence lock, the staff can use the terminal of unblanking to unblock through the bluetooth mode. Every intelligent lock all has independent key, during the unblock, sets up the password by the management backstage, and the notice field personnel unblank, produce the record of unblanking simultaneously, and the key is unblanked, then backstage management center shows manual record of unblanking, has really accomplished safe convenient.

The intelligent cabinet lock based on the cloud framework integrates all traditional advantages of a traditional mechanical cabinet lock, integrates functions of the cabinet lock, a mobile phone APP, an access controller and the like into a whole, is flexible to select and match, simple to install, rich in functions and stable in performance, and effectively solves the problem of access control management of a network cabinet by matching a special management platform and the mobile phone APP through an RS485 networking mode, and more customers are granted and recognized.

3.1, firstly, connecting and installing the intelligent cabinet lock with a power supply and communication through hardware; the connection sum of hardware is the following design list:

power line and signal line design

(1) Power supply and communication line

(2) Input connection wire of magnetic switch

(3) The system is connected with a background through an RS485 line and network transmission, and the background develops functional modules for user management, password modification, lockset management, unlocking authority design management, record query, personnel unlocking record, secret key distribution, linkage of an access control system, remote unlocking and the like.

The mobile phone APP realizes interaction with background permission application and management, unlocking key issuing, historical record query and the like through a network through an installed mobile phone client.

The specific implementation process is as follows:

the unlocking verification code is sent through a network, and the unlocking verification code is sent to the mobile phone APP to be unlocked or be unlocked through remote control.

2). Issue in advance and open the door the permission to the cell-phone, search the bluetooth equipment after logging in APP, direct manual operation sends the instruction of opening the door and unblanks, unblanks through the remote instruction that high in the clouds server issued: after the person who passes through by the authority applies for the request of unblanking, the administrator audits after being errorless, and accessible remote command unblanks, increases to the historical record list with application personnel information together during unblanking to can look up in the follow-up.

4. Lock body structure

4.1, a communication cabinet intelligent lock based on cloud architecture, as shown in fig. 5, includes a lock body 2 and a pressing plate 3, wherein the lock body 2 is located on the front side of a cabinet door 1, and the pressing plate 3 is located on the back side of the cabinet door 1; the lock body 2 and the pressing plate 3 are arranged on the cabinet door 1 through pressing plate fixing screws 4.

The lock body 2 is provided with a lock control system module 27, and the lock control system module 27 is connected with a Bluetooth module, a door magnetic sensor, an infrared sensor and an alarm module. An RFID card reader is arranged on the outer side surface of the lock body 2.

The lock body 2 outside is equipped with lock handle 11, and the lock body 2 outside is equipped with the draw-in groove that is used for placing lock handle 11 moreover. The upper end of the lock handle 11 is connected with a transmission body 9 (square shaft) through a pin shaft 25, the pin shaft 25 is sleeved with a torsion spring 10 for bouncing the lock handle 11, the transmission body 9 is movably fixed at the upper part in the lock body 2, for example, as shown in figure 8, the transmission body 9 is installed in a sleeve 26 of the lock body 2 through a bearing and other parts, and a door bolt 5 is fixedly installed at the end part of the transmission body 9 through a bolt fixing screw 6 and a gasket from one side of a pressure plate 3; and, the driving body 9 is sleeved with a limiting piece 8 and a plurality of gaskets 7 for limiting the left or right opening of the lock handle 11, the middle of the limiting piece 8 is a square hole and rotates with the driving body 9, as shown in fig. 9, the limiting piece 8 is provided with a part of flange, and when the limiting piece 8 is positioned in the sleeve 26, a certain rotating space moving leftwards or rightwards is provided, thereby limiting the left and right rotation of the driving body 9.

As shown in fig. 7, an electromagnet assembly 12 is arranged in the middle of the lock body 2, an electromagnet lock tongue 13 is vertically arranged in the electromagnet assembly 12, then the electromagnet lock tongue 13 is fixed by a plug, and a return spring 14 is sleeved outside the electromagnet lock tongue 13; the electromagnet tongue 13 can extend downwards out of the electromagnet assembly 12 under the action of a return spring 14 and retract under the attraction of the electromagnet.

As shown in fig. 10, 11 and 12, a lock sleeve 15 is arranged at the lower part of the lock handle 11, and a notch 19 is arranged at the upper part of the inner end of the lock sleeve 15; a lock core 16 can be movably or fixedly arranged in the lock sleeve 15, when the lock core 16 is fixedly arranged in the lock sleeve 15 (the lock core 16 cannot rotate), as shown in fig. 17, an electric control unlocking mode is adopted, then, the inner end of the lock core 16 only needs to be provided with a transverse groove 17, and the transverse groove 17 corresponds to a notch 19 of the lock sleeve 15; in a locked state, the electromagnet bolt 13 is clamped in the transverse groove 17 of the lock cylinder 16 after extending out, and the lock handle 11 cannot be pulled up; under the state of unlocking, the electromagnet in the electromagnet assembly is electrified to move the electromagnet bolt 13 upwards, and after the electromagnet bolt is separated from the transverse groove 17, the lock handle 11 is bounced outwards under the action of the torsion spring 10, and the cabinet door can be opened after the rotation. When the lock core 16 is movably arranged in the lock sleeve 15 (the lock core 16 can rotate), the outer end of the lock core 16 is provided with a key hole 21, and the outer side of the lock body 2 is provided with a key hole baffle 22. As shown in fig. 13, the inner end of the lock cylinder 16 is provided with a transverse slot 17 and an axial slot 18, the axial slot 18 and the transverse slot 17 being at 90 degrees. At the moment, two modes of mechanical key unlocking or electronic control unlocking can be adopted, in a locked state, an electromagnet in the electromagnet assembly is powered off, and the lower end of an electromagnet lock tongue 13 is positioned in a transverse groove 17 of a lock cylinder 16 under the action of a return spring 14. Normally, the keyhole 21 is blocked by a keyhole guard 22, which is mounted in the lock body 2 by means of a hex bolt 23. The electronic control unlocking mode is adopted, as described above, after the lock control system module 27 receives an unlocking instruction, the electromagnet in the electromagnet assembly is electrified, and the locking tongue 13 of the electromagnet is attracted to move upwards to unlock; however, no matter whether the electric control mode is failed or not, the mechanical unlocking mode can be adopted, after the hexagonal bolt 23 is screwed by the hexagonal screw 24, the keyhole cover plate 22 is detached, the mechanical key 20 is inserted and then rotated by 90 degrees, the lock cylinder 16 is rotated by 90 degrees, at the moment, the axial groove 18 is overlapped with the notch 19 of the lock sleeve 15, the electromagnet lock tongue 13 is converted to the axial groove 18 from the transverse groove 17 positioned on the lock cylinder, the clamping effect is lost, then the lock handle 11 bounces under the effect of the torsion spring 10, the lock handle 11 is rotated by 90 degrees again, and the cabinet door can be opened, so that the mechanical unlocking is realized.

4.2, description of the working mode of the lock:

4.2.1, unlocking by Bluetooth;

there are 2 cell-phone APP modes of unblanking

4.2.2, remote unlocking;

remote signals are sent to a lock control system module 27, the module powers on an electromagnet, the electromagnet is attracted, a bolt of the electromagnet overcomes the elasticity of a spring and is separated from a horizontal groove at the lower end of the lock cylinder, and the handle rotates for 90 degrees to unlock.

4.2.3, unlocking by a key;

a lock core 16 is arranged on the lock handle 11, and a transverse groove 17 and an axial groove 18 are formed in the lower end of the lock core 16; the lower end of the protruding part (lock sleeve 15) of the lock handle 11 is provided with a notch 19, when the lock core 16 rotates to the axial groove 18 to coincide with the notch 19, the lower end of the lock handle 11 can be bounced, the lock handle 11 is rotated, the transmission body 9 drives the fixedly connected door bolt 5 to rotate, and the door bolt 5 is separated from the buckled door frame to realize door opening; when the lock cylinder 16 rotates to the position that the transverse groove 17 coincides with the notch 19, the electromagnet bolt 13 is always in an extending state under the action of the return spring 14, the end part of the electromagnet bolt 13 is buckled at the lower edge of the transverse groove 17, so that the lock handle 11 is limited in the handle groove of the lock body 2, and the transmission body 9 and the fixedly connected door bolt 5 are in a transverse state (as shown in fig. 15), thereby realizing the door closing operation.

5. The technical performance parameters are designed as follows

Input voltage range: 10.8VDC to 13.2 VDC.

Working current: the static standby time is less than 150mA, and the dynamic unlocking time is less than 500 mA.

Minimum supply current: 1000mA/12VDC input.

The Bluetooth specification is as follows: bluetooth 4.0 and Bluetooth BT2.1+ EDR are supported simultaneously.

Operating the system: the support includes OS (apple system), Android (Android system), and Windows (microsoft system).

Radio frequency performance: the transmit sensitivity was 10dBm and the receive sensitivity-80 dBm.

And in normal standby, the lamp is not turned on, and the blue lamp flickers when the door is opened legally-the card is illegally swiped or the red lamp flickers when the door is opened.

Service life: more than 35 ten thousand times.

The communication mode is as follows: RS485, 9600bit/s (default).

The unlocking mode is as follows: remote command unlocking, mobile phone APP (Bluetooth unlocking) and key unlocking.

6. The intelligent lock is mainly characterized by intelligent identification, network control and special application, and the intelligent identification comprises the following steps: different intelligent identification modes such as reading card, fingerprint, bluetooth, NFC, the lock body of same money structure all has different identification mode, the serial products of different communication modes.

The intelligent lock system adopts DC12V power supply, has a function of <1W, adopts stepping motor drive or electromagnetic attraction to lock, is internally provided with a locking magnet and externally connected with a door magnet, and is used for outputting the door magnet and the locking magnet in a composite manner to monitor the opening and closing state of the door in real time.

Double control design: the lock body is internally provided with the dual-drive or dual-locking mechanism, the lock body cannot be unlocked by a key under the normal or electrified condition of communication, and the lock is unlocked only through intelligent identification or remote command, so that the illegal use and forced unlocking of an unlocking tool are effectively avoided.

The wireless power supply technology comprises the following steps: the wireless power supply technology is adopted on the coded lock which cannot be powered or can greatly influence the functions and the safety of the lock by adopting wired power supply, and the international unique network type electronic control coded cabinet lock is released by me, which initiates the precedent of the intelligent coded cabinet lock.

Collect "electric control lock + entrance guard's management + intelligent recognition" in the highly integrated design of an organic whole, join in marriage relevant management software, realized one lock the integrated intelligence lock of one set of intelligent entrance guard management system.

The access controller built in the lock body has strong functions, 500 people are authorized offline for 50000 people, 3000 latest records are stored offline for 100000 event records, and the access controller has the management functions of time period management, holiday management, real-time alarm, offline work, defense deployment and withdrawal and the like, and is suitable for different installation places and door bodies made of different materials.

The matched management software comprises two architectures of C/S, B/S, has different management modules of personnel management, entrance guard management, attendance management, inspection management, electronic maps and the like, and has powerful functions.

The above are only specific embodiments of the present invention, but are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve substantially the same technical problems or achieve substantially the same technical effects are within the scope of the present invention.

Claims

1. An intelligent lock of a communication cabinet comprises a lock body (2) and a pressing plate (3), wherein the lock body (2) is positioned on the front side of a cabinet door (1), and the pressing plate (3) is positioned on the back side of the cabinet door (1); the lock body (2) and the pressing plate (3) are arranged on the cabinet door (1) through pressing plate fixing screws (4);

the method is characterized in that: a lock handle (11) is arranged on the outer side of the lock body (2), the upper end of the lock handle (11) is connected with a transmission body (9) through a pin shaft (25), a torsion spring (10) used for bouncing up the lock handle (11) is sleeved on the pin shaft (25), the transmission body (9) is movably fixed on the upper portion in the lock body (2), and a door bolt (5) is fixedly installed at the end portion of the transmission body (9);

an electromagnet assembly (12) is arranged in the middle of the lock body (2), an electromagnet lock tongue (13) is vertically arranged in the electromagnet assembly (12), and a reset spring (14) is sleeved outside the electromagnet lock tongue (13);

a lock sleeve (15) is arranged at the lower part of the lock handle (11), and a notch (19) is formed in the upper part of the inner end of the lock sleeve (15); a lock cylinder (16) is movably arranged in the lock sleeve (15), a transverse groove (17) is formed in the inner end of the lock cylinder (16), an axial groove (18) is further formed in the inner end of the lock cylinder (16), the axial groove (18) and the transverse groove (17) form an angle of 90 degrees, and a key hole (21) is formed in the outer end of the lock cylinder (16); the transverse grooves (17) or the axial grooves (18) correspond to notches (19); when the electromagnet is powered off, the lower end of the electromagnet bolt (13) is positioned in the transverse groove (17) of the lock cylinder (16) under the action of the return spring (14);

a lock control system module (27) is arranged on the lock body (2);

the transmission body (9) is provided with a limiting piece (8) for limiting the left opening or the right opening of a lock handle (11);

and an RFID card reader is arranged on the outer side surface of the lock body (2).

2. The communication cabinet smart lock of claim 1, wherein: and a keyhole baffle plate (22) is arranged on the outer side of the lock body (2).

3. The communication cabinet smart lock of claim 1, wherein: the lock body (2) is provided with a clamping groove for placing a lock handle (11) on the outer side.

4. The communication cabinet smart lock of claim 1, wherein: and the lock control system module (27) is connected with the Bluetooth module.

5. The communication cabinet smart lock of claim 4, wherein: and the lock control system module (27) is connected with the door magnetic sensor, the infrared sensor and the alarm module.