CN111741667A

CN111741667A - Intelligent electromagnetic shielding cabinet

Info

Publication number: CN111741667A
Application number: CN202010748127.7A
Authority: CN
Inventors: 罗远哲; 刘瑞景; 罗晓萌; 王军亮; 陆立军; 李冠蕊; 薛瑞亭; 罗晓婷; 申慈恩
Original assignee: Beijing China Super Industry Information Security Technology Ltd By Share Ltd
Current assignee: Beijing China Super Industry Information Security Technology Ltd By Share Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-10-02
Anticipated expiration: 2040-07-30
Also published as: CN111741667B

Abstract

The invention relates to an intelligent electromagnetic shielding cabinet in the technical field of electromagnetic shielding. Its purpose is in order to solve that the door that traditional rack exists opens the door hard, prevent that the invasion performance is low, heat dispersion is weak, the interior field of vision of cabinet is poor, leak the back and do not have the measure scheduling problem of rescue. The intelligent cabinet comprises a cabinet body, a door opening and closing module, an anti-invasion module, a constant temperature and humidity module, an illumination module, a control module and a mobile communication interference module; the cabinet body comprises a door frame, a shielding door, lockable trundles, an air inlet waveguide window, an air outlet waveguide window, a power filter, an optical fiber waveguide tube and a network cable waveguide tube; the switch door module comprises a motor, a gear, a rack connecting rod, a mechanical lock catch, a mechanical lock tongue, a door connecting rod, a door handle and a photoelectric sensor.

Description

Intelligent electromagnetic shielding cabinet

Technical Field

The invention relates to the technical field of electromagnetic information shielding, in particular to an intelligent electromagnetic shielding cabinet.

Background

In recent years, information leakage caused by electromagnetic radiation in a confidential information system has gradually become an important means for enemies to detect confidential information, and the information security of China is seriously threatened. In order to prevent secret-related information from being leaked in an electromagnetic mode, according to the requirements of the national secret standard, equipment for processing the secret-related information needs to adopt electromagnetic leakage emission protection measures, such as using an electromagnetic shielding room, an electromagnetic shielding cabinet, a red and black power supply filtering isolation socket, an electromagnetic interference device and the like. The electromagnetic shielding cabinet has the advantages that electromagnetic waves can be seriously attenuated when passing through a closed metal space structure, so that the electromagnetic shielding cabinet plays a shielding role, and is very suitable for occasions which are not suitable for installing an electromagnetic shielding room and need to protect information equipment due to the characteristics of small volume, convenience in installation and flexibility in use.

At present, some shielding cabinets have been developed by workers in the related art to prevent the leakage of confidential information through an electromagnetic method, but most of the electromagnetic shielding cabinets have many problems:

1. the door is opened laboriously, and no electric power assisting function exists;

2. the anti-invasion performance is low, and the alarm function is not available;

3. the heat dissipation performance is weak, and equipment in the cabinet cannot stably run for a long time;

4. the field of vision in the cabinet is poor, and no light is used for illumination;

5. when electromagnetic leakage occurs, no rescue measures are taken.

Disclosure of Invention

The invention aims to provide an intelligent electromagnetic shielding cabinet to solve the problems.

The invention provides a technical scheme for solving the problems.

An intelligent electromagnetic shielding cabinet comprises a cabinet body, a switch door module, an anti-invasion module, a constant temperature and humidity module, a lighting module and a control module; the cabinet body comprises a door frame, a shielding door, lockable trundles, an air inlet waveguide window, an air outlet waveguide window, a power filter, an optical fiber waveguide tube and a network cable waveguide tube; the door opening and closing module comprises a motor, a gear, a rack connecting rod, a mechanical lock catch, a mechanical lock tongue, a door connecting rod, a door handle and a photoelectric sensor; the anti-invasion module comprises an electronic coded lock, a normally closed camera travel switch, a special camera, a hard disk video recorder, a shielding signal generator, a shielding signal receiver and a buzzer; the constant temperature and humidity module comprises a temperature and humidity sensor, an adjustable heat dissipation device and a fixing frame; the lighting module comprises a normally closed lamp source travel switch and a lamp source; the control module is positioned at the top of the outer side of the cabinet.

Furthermore, the motor is arranged at the top of the outer side of the cabinet body, the gear is installed on the motor, and one end of the rack connecting rod is matched with the gear and the other end of the rack connecting rod is connected with the mechanical lock catch; the door handle is arranged on the shielding door, and one end of the door connecting rod is connected with the door handle and the other end is connected with the mechanical lock tongue; the mechanical lock catch is matched with the mechanical lock tongue so as to control the opening and closing of the shielding door; the photoelectric sensor is positioned on the mechanical lock catch.

Furthermore, the electronic coded lock is arranged on the shielding door and is connected with the door connecting rod; the normally closed camera travel switch is fixed on the inner side of the door frame, and one end of the special camera is connected with the normally closed camera travel switch and the other end of the special camera is connected with the hard disk video recorder; the shielding signal generator is arranged at the top of the inner side of the cabinet, and the shielding signal receiver is arranged at the top of the outer side of the cabinet; the buzzer is installed on the top of the outer side of the cabinet.

Furthermore, the adjustable heat dissipation device is installed on the back of the cabinet body through the fixing frame, an air supply outlet and an air return inlet on the adjustable heat dissipation device are respectively connected with an air inlet waveguide window and an air outlet waveguide window on the cabinet body, and the temperature and humidity sensor is installed on the outer side of the air outlet waveguide window.

Further, the normally closed type light source travel switch is fixed on the inner side of the door frame, and the light source is electrically connected with the normally closed type light source travel switch.

Furthermore, the control module is respectively electrically connected with the motor, the photoelectric sensor, the electronic coded lock, the shielding signal receiver, the buzzer, the temperature and humidity sensor and the adjustable heat dissipation device.

Furthermore, the electronic coded lock has the functions of code error alarm and vibration alarm.

The invention has the beneficial effects that: when a user inputs a correct password, the control module operates, the electronic password lock releases the door connecting rod, then the motor rotates forwards to drive the gear and further drive the rack connecting rod to lift the mechanical lock catch, and the mechanical lock catch pushes the mechanical lock tongue to move forwards so as to drive the shield door to move forwards through the door connecting rod and the door handle. After a certain time, the mechanical lock catch completely pushes out the mechanical lock tongue, and the motor stops rotating. After the shielding door is opened, the door plate on the inner side of the shielding door loosens a normally closed lamp source travel switch and a normally closed camera switch key which are installed on the inner side of a door frame, and then the normally closed lamp source travel switch and the normally closed camera switch are closed, and the lamp source in the cabinet is lighted and the special camera is started to record the video. The video is stored in a hard disk video recorder. After the user operation is finished, the cabinet door is closed lightly, the photoelectric sensor receives a signal and feeds the signal back to the control module, the motor rotates reversely to drive the gear and further drive the rack connecting rod to descend the mechanical lock catch, the mechanical lock catch pushes the mechanical lock tongue backwards and further drives the shielding door backwards through the door connecting rod and the door handle, the mechanical lock catch completely pushes the mechanical lock tongue after a certain time, and the motor stops rotating. Then the electronic coded lock locks the door connecting rod and the shielding door. After the shielding door is closed, the door plant of the inner side of the shielding door touches a normally closed lamp source travel switch and a normally closed camera switch key, and then the normally closed lamp source travel switch and the normally closed camera switch are disconnected, and the video recording function is closed by the special camera when the lamp source in the cabinet is closed. The manager can remotely check who opens the shielding cabinet in the place and when at any time through the network. When the password is input by mistake for many times or the electronic password lock is forced to enter the control module by violence, the electronic password lock sends out a high-pitch alarm and starts the mobile communication interference module, so that lawless persons can be effectively prevented from obtaining electromagnetic signals leaked from the cabinet, and mobile communication signals leaked nearby the cabinet can be blocked. When the cabinet is damaged by leakage, the shielding signal receiver receives a signal sent by the shielding signal generator in the cabinet, the control module operates, and the buzzer sends out a high-pitch alarm. The user can set up the humiture threshold value in the rack by oneself, humiture sensor feeds back the signal to control module when humiture surpasses the settlement threshold value in the rack, adjustable heat abstractor opens the operation, adjustable heat abstractor supply-air outlet carries cold wind to get into the cabinet body through air inlet waveguide window and for equipment cooling, simultaneously adjustable heat abstractor return air inlet air exhauster takes out the internal hot-blast through air outlet waveguide window of cabinet, keep the inside constancy of temperature of this intelligent electromagnetic shield rack and then guarantee the long-time steady operation of rack internal plant, thoroughly solve the difficult problem of shielding rack heat dissipation.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent from the following description of embodiments of the present disclosure with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of an intelligent electromagnetic shielding cabinet according to the present invention;

FIG. 2 is a schematic structural diagram of a switching door module according to the present invention;

FIG. 3 is a schematic structural diagram of an intrusion prevention module according to the present invention;

FIG. 4 is a schematic structural diagram of a constant temperature and humidity module according to the present invention;

FIG. 5 is a schematic structural diagram of a lighting module according to the present invention;

FIG. 6 is a schematic diagram of a control module according to the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1-5, an intelligent electromagnetic shielding cabinet comprises a cabinet body 1, a door opening and closing module 2, an anti-intrusion module 3, a constant temperature and humidity module 4, a lighting module 5, a control module 6, and a mobile communication interference module 7; the cabinet body 1 comprises a door frame 11, a shielded door 12, lockable casters 13, an air inlet waveguide window 14, an air outlet waveguide window 15, a power filter 16, an optical fiber waveguide tube 17 and a network cable waveguide tube 18; the switch door module 2 comprises a motor 21, a gear 22, a rack connecting rod 23, a mechanical lock catch 24, a mechanical bolt 25, a door connecting rod 26, a door handle 27 and a photoelectric sensor 28; the anti-intrusion module 3 comprises an electronic coded lock 31, a normally closed camera travel switch 32, a special camera 33, a hard disk video recorder 34, a shielding signal generator 35, a shielding signal receiver 36 and a buzzer 37; the constant temperature and humidity module 4 comprises a temperature and humidity sensor 41, an adjustable heat dissipation device 42 and a fixing frame 43; the lighting module 5 comprises a normally closed lamp source travel switch 51 and a lamp source 52; the control module 6 is positioned at the top of the outer side of the cabinet; the mobile communication interference module 7 is positioned at the top of the outer side of the cabinet.

As shown in fig. 2, the motor 21 is arranged at the top of the outer side of the cabinet 1, the gear 22 is installed on the motor 21, one end of the rack connecting rod 23 is matched with the gear 22, and the other end is connected with the mechanical lock catch 24; the door handle 27 is installed on the shield door 12, one end of the door connecting rod 26 is connected with the door handle 27, and the other end is connected with the mechanical bolt 25; the mechanical lock catch 24 is matched with the mechanical lock tongue 25 to control the opening and closing of the screen door 12; the photoelectric sensor 28 is located on the mechanical latch 24.

As shown in fig. 3, the electronic combination lock 31 is mounted on the shield door 12 and connected to the door link 26; the normally closed type camera travel switch 32 is fixed on the inner side of the door frame 11, one end of the special camera 33 is connected with the normally closed type camera travel switch 32, and the other end is connected with the hard disk video recorder 34; the shielding signal generator 35 is installed at the top of the inner side of the cabinet, and the shielding signal receiver 36 is installed at the top of the outer side of the cabinet; the buzzer 37 is installed at the top of the outer side of the cabinet.

As shown in fig. 4, the adjustable heat dissipation device 42 is installed at the back of the cabinet 1 through the fixing frame 43, the air supply outlet and the air return outlet on the adjustable heat dissipation device 42 are respectively connected with the air inlet waveguide window 14 and the air outlet waveguide window 15 on the cabinet 1, and the temperature and humidity sensor 41 is installed outside the air outlet waveguide window 15.

As shown in fig. 5, the normally closed type lamp travel switch 51 is fixed inside the door frame 11, and the lamp 52 is electrically connected to the normally closed type lamp travel switch 51.

As shown in fig. 6, the control module 6 is electrically connected to the motor 21, the photoelectric sensor 28, the electronic combination lock 31, the shielding signal receiver 36, the buzzer 37, the temperature and humidity sensor 41, and the adjustable heat sink 42, respectively.

The electronic coded lock 31 has the functions of code error alarm and vibration alarm.

The cabinet body 1 is made of a high-quality cold-rolled steel plate, and the surface of the cabinet body is coated with a shielding coating; the air inlet waveguide window 14 and the air outlet waveguide window 15 are both metal plates with a plurality of round honeycomb holes, and the aperture of the metal plates is preferably 3.2 mm; the inner diameter of the optical fiber waveguide 18 is 14mm, and the tube thickness is preferably 3 mm; the inner diameter of the network wire waveguide tube 18 is 8mm, and the tube thickness is preferably 3 mm; the motor 21 is preferably a 68KTYZ alternating current synchronous motor; the adjustable heat dissipation device 42 is preferably a frequency conversion cabinet air conditioner; the light source 52 is preferably a 5w led energy saving lamp.

When a user inputs a correct password, the control module 6 operates, the electronic password lock 31 releases the door connecting rod 26, then the motor 21 rotates forwards to drive the gear 22 to drive the rack connecting rod 23 to lift the mechanical lock catch 24, and the mechanical lock catch 24 pushes the mechanical lock tongue 25 to move forwards to drive the shield door 12 to move forwards through the door connecting rod 26 and the door handle 27. After 3 seconds, the mechanical lock 24 completely pushes out the mechanical lock tongue 25, and the motor 21 stops rotating.

After the shielding door 12 is opened, the door plate on the inner side of the shielding door 12 loosens the normally closed lamp source travel switch 51 and the normally closed camera switch 32 keys which are installed on the inner side of the door frame, then the normally closed lamp source travel switch 51 and the normally closed camera switch 32 are closed, the lamp source 52 in the cabinet is lighted, and the special camera 33 is started to record the video. The recorded video is stored in the hard disk video recorder 34.

After the user operation is finished, the cabinet door 12 is closed, the photoelectric sensor 28 receives a signal and feeds the signal back to the control module 6, the motor 21 rotates reversely to drive the gear 22 and further drive the rack connecting rod 23 to descend the mechanical lock catch 24, the mechanical lock catch 24 pushes the mechanical lock tongue 25 backwards and further drives the shielding door 12 backwards through the door connecting rod 26 and the door handle 27, after 3 seconds, the mechanical lock tongue 25 is completely pushed by the mechanical lock catch 24, and the motor 21 stops rotating. The electronic combination lock 31 locks the door link 26 and the shield door 12.

After the shielding door 12 is closed, the inner door panel of the shielding door 12 touches the keys of the normally closed lamp source travel switch 51 and the normally closed camera switch 32, and then the normally closed lamp source travel switch 51 and the normally closed camera switch 32 are disconnected, so that the lamp source 52 in the cabinet is closed and the special camera 33 turns off the video recording function. The manager can remotely check who opens the shielding cabinet in the place and when at any time through the network.

When the control module 6 is operated when a password is input by mistake or forced entry by violence occurs many times, the electronic combination lock 31 gives a high-pitch alarm. When the cabinet is damaged by leakage, the shielding signal receiver 36 receives a signal sent by the shielding signal generator 35 in the cabinet, the control module 6 operates, the buzzer 37 sends out a high-pitch alarm, meanwhile, the mobile communication interference module 7 is started to prevent lawless persons from intercepting leaked electromagnetic signals and transmitting the electromagnetic signals in a mobile communication mode, and meanwhile, the mobile communication interference module only works when the shielding signal receiver 36 receives the signal sent by the shielding signal generator 35 in the cabinet, so that energy is saved.

The mobile communication interference module includes: control circuit, 8 interference signal generating circuit, 8 interference signal antennas. Each interference signal generating circuit consists of a triangular wave generator, a voltage-controlled oscillator and a power amplifier; one end of the voltage-controlled oscillator is connected with the triangular wave generator, the other end of the voltage-controlled oscillator is connected with the power amplifier, the frequencies of the transmitted interference signals of each interference signal generating circuit are different, each interference signal generating circuit is matched with the corresponding antenna, 8 interference signal generating circuits work simultaneously, the coverage frequency range of the transmitted interference signals is 860MHz-2.4GHz, and the full interference on CDMA, 2G, 3G and 4G, Wifi signals is realized.

The user can set up the humiture threshold value in the rack by oneself, humiture sensor 41 feeds back the signal to control module 6 when humiture surpasses the settlement threshold value in the rack, adjustable heat abstractor 42 opens the operation, adjustable heat abstractor 42 supply-air outlet carries cold wind to get into the cabinet body through air inlet waveguide window 14 and for equipment cooling, adjustable heat abstractor 42 return air inlet air exhauster takes the internal hot-blast through air outlet waveguide window 15 of cabinet out simultaneously, keep the inside constancy of temperature of this intelligent electromagnetic shield rack and then guarantee the long-time steady operation of rack internal plant, thoroughly solve the difficult problem of shielding rack heat dissipation.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.

Claims

1. The utility model provides an intelligence electromagnetic shield rack which characterized in that, includes the cabinet body (1), switch door module (2), prevents invasion module (3), constant temperature and humidity module (4), lighting module (5), control module (6) and mobile communication interference module (7).

2. The intelligent electromagnetic shielding cabinet of claim 1, wherein: the cabinet body (1) comprises a door frame (11), a shielding door (12), lockable trundles (13), an air inlet waveguide window (14), an air outlet waveguide window (15), a power filter (16), an optical fiber waveguide tube (17) and a network cable waveguide tube (18).

3. An intelligent electromagnetic shielding cabinet according to claim 2, wherein: the switch door module (2) comprises a motor (21), a gear (22), a rack connecting rod (23), a mechanical lock catch (24), a mechanical bolt (25), a door connecting rod (26), a door handle (27) and a photoelectric sensor (28).

4. An intelligent electromagnetic shielding cabinet according to claim 3, wherein: the motor (21) is positioned at the top of the outer side of the cabinet body (1), the gear (22) is installed on the motor (21), one end of the rack connecting rod (23) is matched with the gear (22), and the other end of the rack connecting rod is connected with the mechanical lock catch (24); the door handle (27) is installed on the shield door (12), one end of the door connecting rod (26) is connected with the door handle (27), and the other end of the door connecting rod is connected with the mechanical bolt (25); the mechanical lock catch (24) is matched with the mechanical lock tongue (25) to control the opening and closing of the shielding door (12); the photoelectric sensor (28) is positioned on the mechanical lock catch (24).

5. The intelligent electromagnetic shielding cabinet of claim 1, wherein: the anti-intrusion module (3) comprises an electronic coded lock (31), a normally closed camera travel switch (32), a special camera (33), a hard disk video recorder (34), a shielding signal generator (35), a shielding signal receiver (36) and a buzzer (37).

6. An intelligent electromagnetic shielding cabinet according to claim 5, wherein: the electronic coded lock (31) is arranged on the shielding door (12) and is connected with the door connecting rod (26); the normally closed camera travel switch (32) is fixed on the inner side of the door frame, one end of the special camera (33) is connected with the normally closed camera travel switch (32), and the other end is connected with the hard disk video recorder (34); the shielding signal generator (35) is installed at the top of the inner side of the cabinet, the shielding signal receiver (36) is installed at the top of the outer side of the cabinet, and the buzzer (37) is installed at the top of the outer side of the cabinet.

7. The intelligent electromagnetic shielding cabinet of claim 1, wherein: the constant temperature and humidity module (4) comprises a temperature and humidity sensor (41), an adjustable heat dissipation device (42) and a fixing frame (43).

8. An intelligent electromagnetic shielding cabinet according to claim 7, wherein: the adjustable heat dissipation device (42) is installed on the back of the cabinet body (1) through the fixing frame (43), an air supply outlet and an air return inlet on the adjustable heat dissipation device (42) are respectively connected with an air inlet waveguide window (14) and an air outlet waveguide window (15) on the cabinet body (1), and the temperature and humidity sensor (41) is installed on the outer side of the air outlet waveguide window (15).

9. The intelligent electromagnetic shielding cabinet of claim 1, wherein: the lighting module (5) comprises a normally closed type lamp source travel switch (51) and a lamp source (52), the normally closed type lamp source travel switch (51) is fixed on the inner side of the door frame, and the lamp source (52) is electrically connected with the normally closed type lamp source travel switch (51).

10. The intelligent electromagnetic shielding cabinet of claim 1, wherein: the control module (6) and the mobile communication interference module (7) are located at the top of the outer side of the cabinet, wherein the control module (6) is electrically connected with the mobile communication interference module (7), the motor (21), the photoelectric sensor (28), the electronic coded lock (31), the shielding signal receiver (36), the buzzer (37), the temperature and humidity sensor (41) and the adjustable heat dissipation device (42) respectively.

11. The intelligent electromagnetic shielding cabinet of claim 10, wherein: the mobile communication interference module (7) comprises: the device comprises a control circuit, an interference signal generating circuit and an interference signal antenna, wherein the frequency coverage range of the interference antenna is 860MHz-2.4 GHz.

12. The intelligent electromagnetic shielding cabinet of claim 11, wherein: when the shielding signal receiver (36) receives the shielding signal sent by the shielding signal generator (35), the control module (6) controls the buzzer (37) to start and simultaneously triggers the mobile communication interference module (7) to start.