CN110630114B

CN110630114B - Anti-theft system of central server room under unattended state

Info

Publication number: CN110630114B
Application number: CN201910955440.5A
Authority: CN
Inventors: 王志华; 佘维; 刘炜; 宋轩; 田钊
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2021-01-19
Anticipated expiration: 2039-10-09
Also published as: CN110630114A

Abstract

The invention relates to an anti-theft system of a central server room in an unattended state, which comprises a room door positioned on the front side of the room and a room door lock arranged on the room door, and is characterized in that the room door lock is an electromagnetic lock, and the power supply end of the room door lock is connected with a normally closed remote switch of a remote control switch; the side door lock is connected with a normally closed local switch which is connected with a stroke control and used for controlling the on-off of the electromagnetic coil, and the local switch is connected with the remote switch in parallel. The invention reduces the possibility of the door being stolen and improves the anti-theft performance.

Description

Anti-theft system of central server room under unattended state

Technical Field

The invention belongs to the field of communication control, and particularly relates to an anti-theft system of a central server room in an unattended state.

Background

In the field of communications, and in particular mobile communications systems, communication devices (e.g., base stations, access devices, or other communication devices) are distributed throughout the coverage area of their communication networks. In order to ensure the normal operation of each communication device in the communication network, operators place each communication device or other auxiliary devices or optical cables in one room, that is, a central server room. The central server room is wide in distribution points, and most of the central server rooms are built in regions with rare people and severe environments.

According to the resource naming standard of the Chinese telecommunication network, the central server room can be divided into: the system comprises an access network machine room, an underground wire inlet, a computer machine room, a data machine room, an MDF machine room, a telegraph machine room, a card machine room, a monitoring machine room, an air conditioner machine room, a mobile machine room (specially used for mobile), a network management machine room, a power machine room, an inflation machine room, a remote machine room, a switching machine room, a transmission machine room, a user machine room, a wireless machine room, an integrated machine room, a microwave machine room, a wired television machine room, an integrated wiring machine room, an IDC machine room and the like.

In order to prevent communication equipment in a machine room from being stolen or other people from breaking by invasion, the communication system is affected or even broken down, and the operator is damaged. Communication operators need to monitor and maintain each central server room.

At present, a manual inspection maintenance mode is generally adopted for monitoring and maintaining each central server room, but the adoption of the mode can not effectively ensure the working quality and timeliness of equipment maintenance due to the negligence of human factors; and with the rapid expansion of the GSM/CDMA network, the workload born by each employee is larger and larger, and great pressure is brought to the maintenance work.

Disclosure of Invention

The invention aims to provide an anti-theft system under the unattended state of a central server room, which can realize remote anti-theft monitoring, and the technical scheme is as follows:

the anti-theft system in the unattended state of the central server room comprises a room door positioned on the front side of the room and a room door lock arranged on the room door, and is characterized in that the room door lock is an electromagnetic lock, and the power supply end of the room door lock is connected with a normally closed remote switch of a remote control switch;

the side door lock is connected with a normally closed local switch which is connected with a stroke control and used for controlling the on-off of the electromagnetic coil, and the local switch is connected with the remote switch in parallel.

Preferably, the side door lock is identical in structure to the door lock.

Preferably, the power supply end of the side door lock is connected with a normally closed door opening switch of the local control switch, and the door opening switch is positioned on the front face of the door.

Preferably, switch and side door lock concatenate in same primary circuit, still concatenate in this primary circuit has first relay, and first relay that first relay corresponds is located the secondary circuit who is connected with primary circuit electromagnetic induction, still concatenate in the secondary circuit room door lock, second relay and door travel switch, door travel switch and room door lock travel control are connected and open when the room door lock is opened and close when the room door lock closes, and room door lock, second relay and remote switch still concatenate in the remote control return circuit parallelly connected with primary circuit, and second relay that the second relay corresponds and remote switch synchronous connection.

Preferably, the electromagnetic lock comprises a lock tongue connected to the door plate and a lock body connected to the door frame, the lock body is provided with a lock hole for inserting the lock tongue, a first expansion sleeve which can be radially opened and closed and can clamp the lock tongue when closed and can release the lock tongue when opened is arranged in the lock hole, a mandril on the outer wall of the expansion sleeve is propped against the wall of the lock hole, one end of the mandril, which is far away from the expansion sleeve, is a conical end, the conical end extends into an elastic bag which is internally filled with magnetorheological fluid, a second expansion sleeve which can be radially and elastically opened and closed is sleeved on the periphery of the elastic bag, an electromagnetic coil which is arranged around the second expansion sleeve is embedded in the wall of the lock hole.

Preferably, one end of the first expansion sleeve is a fixed end fixed on the hole opening of the lock hole, the other end of the first expansion sleeve is a free end which is suspended and extended, an expansion joint extending along the length direction is formed in the free end to form a spring claw which is opened and closed along the radial direction, the ejector rod abuts against the outer wall of the spring claw, and a boss connected with the lock tongue in a buckled mode is arranged on the inner wall of the spring claw in a protruding mode.

Preferably, the second expansion sleeve comprises a fixing ring fixed on the wall of the lock hole and an arc-shaped elastic sheet arranged on the inner wall of the lock hole, and the arc-shaped elastic sheet elastically abuts against the outer wall of the elastic bag.

The invention has the following beneficial effects:

the door can not be opened directly, and the door can be opened only under the condition that the local switch and the remote switch are removed together, so that the door opening and closing device reduces the possibility that the door is stolen compared with the traditional mode of simply controlling the door opening and closing or locally controlling the door opening and closing; meanwhile, the local switch is hidden on the side door on the side surface or the back surface of the machine room, so that the concealment of the anti-theft system of the central server machine room in an unattended state is improved, and the anti-theft performance is improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;

FIG. 1 is a schematic diagram of the front side of a central server room of the anti-theft system in an unattended state;

FIG. 2 is a schematic side view of the central server room of the present invention in an unattended state;

FIG. 3 is a schematic diagram of the switching circuit of the anti-theft system in the unattended state of the central server room according to the invention;

FIG. 4 is a schematic diagram of an electromagnetic lock of the anti-theft system in an unattended state in a central server room according to the present invention;

FIG. 5 is a schematic view of the cylinder unit of FIG. 4;

fig. 6 is a schematic view of the second expansion sleeve of fig. 5.

Detailed Description

In order to make the technical purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, there are shown schematic structural views of the anti-theft system in an unattended state of a central server room according to the present invention. The anti-theft system under the unattended state of the central server room is mainly a door control system, and the anti-theft performance of the whole central server room is improved by controlling the front door switch of the central server room to be authorized.

The anti-theft system of the central server room 1 in an unattended state mainly comprises a room door module, a side door module and an electric control module. The door module mainly comprises a door 3 positioned on the front side of the machine room 1, two door electromagnetic locks 2 arranged on the door 3 and a door mechanical lock 4 positioned between the two door electromagnetic locks 2. The side door module also comprises a side door 5 positioned on the side surface of the machine room 1, two side door electromagnetic locks 6 arranged on the side door 5 and a side door mechanical lock 7 positioned between the two side door electromagnetic locks 6.

The power supply end of the door electromagnetic lock 2 is connected with a normally closed remote switch K3 of the remote control switch. The power supply end of the side door electromagnetic lock 6 is connected with a normally closed door opening switch K1 of a local control switch, and the door opening switch K1 is positioned on the front face of the door 3. The door-opening switch K1 and the side door electromagnetic lock 6 are connected in series in the same primary circuit, a first relay J1 is further connected in series in the primary circuit, a first relay switch KJ1 corresponding to the first relay J1 is located in a secondary circuit connected with the primary circuit in an electromagnetic induction mode, a door electromagnetic lock 2, a second relay J2 and a door travel switch K2 are further connected in series in the secondary circuit, the door travel switch K2 is connected with the door electromagnetic lock 2 in a travel control mode and is opened when the door electromagnetic lock 2 is opened and closed when the door electromagnetic lock 2 is closed, the door electromagnetic lock 2, the second relay J2 and the remote switch K3 are further connected in series in a remote control circuit connected with the primary circuit in parallel, and a second relay switch corresponding to the second relay J2 is synchronously connected with the remote switch K3.

The room door electromagnetic lock 2 and the side door electromagnetic lock 6 are the same in structure and are electromagnetic locks based on magnetorheological fluid. The electromagnetic lock comprises a lock tongue 11 connected to a door plate and a lock body connected to a door frame, wherein a lock hole for inserting the lock tongue 11 is formed in the lock body, the lock hole is internally provided with a first expansion sleeve 12 which can be radially opened and closed to clamp the lock tongue 11 when the lock tongue is closed and can be opened, a mandril 15 which is propped against the outer wall of the expansion sleeve is arranged on the hole wall of the lock hole, one end, away from the expansion sleeve, of the mandril 15 is a conical end, the conical end extends into an elastic bag 16 which is internally filled with magnetorheological fluid, the periphery of the elastic bag 16 is sleeved with a second expansion sleeve 17 which can be radially and elastically opened and closed, an electromagnetic coil which is arranged around the second expansion sleeve 17 is embedded in the hole wall of the.

The ejector rod 15, the elastic bag 16 and the second expansion sleeve 17 are positioned in the same fixed seat 14 to form a lock cylinder single body 13.

The difference between the door electromagnetic lock 2 and the side door electromagnetic lock 6 lies in that a door travel switch K2 connected with the bolt 11 in a travel abutting manner is arranged at the blind end of the lock hole of the door electromagnetic lock 2, and the door travel switch K2 can be a microswitch or a proximity switch.

One end of the first expansion sleeve 12 is a fixed end fixed on the hole opening of the lock hole, the other end of the first expansion sleeve is a free end which is suspended and extended, an expansion joint extending along the length direction is arranged on the free end to form a spring claw which is opened and closed along the radial direction, the ejector rod 15 is abutted against the outer wall of the spring claw, and a boss which is connected with the lock tongue 11 in a buckling mode is arranged on the inner wall of the spring claw in a protruding mode.

The second expansion sleeve 17 includes a fixing ring 21 embedded and fixed on the fixing seat 14 and an arc-shaped elastic sheet 22 arranged on the inner wall of the fixing ring, and the arc-shaped elastic sheet 22 elastically abuts against the outer wall of the elastic bag 16.

When the door needs to be opened, the door opening switch K1 is opened firstly, the primary circuit is powered off, then the first electromagnetic switch is powered off, the secondary circuit is also powered off, the door electromagnetic lock 2 only depends on the remote control circuit for supplying power, at the moment, after the remote control switch sends an opening signal to the remote control end, the remote switch K3 is synchronously switched off, the door electromagnetic lock 2 and the side door electromagnetic lock 6 are both unlocked, and the door 3 can be opened locally;

when needing to close the door, close side door 5 earlier, then close door-opening switch K1, side door electromagnetic lock 6 and first relay J1 circular telegram simultaneously, first relay switch KJ1 is closed, nevertheless still be in the open mode because of door travel switch K2, so secondary circuit still is in the open mode, until the door 3 closes the back, secondary circuit closes, side door electromagnetic lock 6 and second relay J2 circular telegram, second relay switch and remote switch K3 close, realize the effect of automatic closing remote switch K3.

Preferably, in order to monitor the closing state of the door electromagnetic lock 2 and the side door electromagnetic lock 6, sensors can be connected to the door electromagnetic lock 2 and the side door electromagnetic lock 6 to display the power-on state in real time, and then the closing state can be known.

Finally, it should be noted that: the above embodiments are merely illustrative and not restrictive of the technical solutions of the present invention, and any equivalent substitutions and modifications or partial substitutions made without departing from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The anti-theft system in the unattended state of the central server room comprises a room door positioned on the front side of the room and a room door lock arranged on the room door, and is characterized in that the room door lock is an electromagnetic lock, and the power supply end of the room door lock is connected with a normally closed remote switch of a remote control switch;

the side door is provided with a local control or remote control side door lock, the side door lock is connected with a normally closed local switch which is connected with a stroke control and is used for controlling the on-off of an electromagnetic coil, and the local switch is connected with the remote switch in parallel;

the side door lock has the same structure as the door lock, the power supply end of the side door lock is connected with a normally closed door opening switch of the local control switch, and the door opening switch is positioned on the front side of the door;

the door opening switch and the side door lock are connected in series in the same primary loop, a first relay is further connected in series in the primary loop, a first relay switch corresponding to the first relay is located in a secondary loop connected with electromagnetic induction of the primary loop, a door lock, a second relay and a door travel switch are further connected in series in the secondary loop, the door travel switch is connected with door lock travel control, the door lock is opened when opened and closed when closed, the door lock, the second relay and the remote switch are further connected in series in a remote control loop connected with the primary loop in parallel, and a second relay switch corresponding to the second relay is connected with the remote switch in synchronization.

2. The unattended anti-theft system of the central server room according to claim 1, wherein the electromagnetic lock comprises a lock tongue connected to the door panel and a lock body connected to the door frame, the lock body is provided with a lock hole into which the lock tongue is inserted, a first expansion sleeve which can radially open and close and lock the lock tongue when closed and release the lock tongue when open is arranged in the lock hole, a push rod on the outer wall of the expansion sleeve abuts against the hole wall of the lock hole, one end of the push rod, which is far away from the expansion sleeve, is a tapered end, the tapered end extends into an elastic bag filled with magnetorheological fluid, a second expansion sleeve which can radially elastically open and close is sleeved on the outer periphery of the elastic bag, an electromagnetic coil which surrounds the second expansion sleeve is embedded in the hole wall of the lock hole, and the electromagnetic coil is electrically connected with the conductive end.

3. The unattended anti-theft system of the central server room according to claim 2, wherein one end of the first expansion sleeve is a fixed end fixed on the hole opening of the lock hole, the other end of the first expansion sleeve is a free end which is suspended and extended, the free end is provided with an expansion joint extending along the length direction to form a spring claw which is opened and closed along the radial direction, the ejector rod abuts against the outer wall of the spring claw, and the inner wall of the spring claw is convexly provided with a boss which is connected with the lock tongue in a buckling mode.

4. The unattended anti-theft system for the central server room according to claim 2, wherein the second expansion sleeve comprises a fixing ring fixed on the wall of the lock hole and an arc-shaped elastic sheet arranged on the inner wall of the lock hole, and the arc-shaped elastic sheet elastically abuts against the outer wall of the elastic bag.