CN112763810A - Electromagnetic leakage detection device for computer digital video information - Google Patents

Electromagnetic leakage detection device for computer digital video information Download PDF

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Publication number
CN112763810A
CN112763810A CN202011579814.7A CN202011579814A CN112763810A CN 112763810 A CN112763810 A CN 112763810A CN 202011579814 A CN202011579814 A CN 202011579814A CN 112763810 A CN112763810 A CN 112763810A
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China
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fixedly connected
detection device
detection
leakage
signal
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CN202011579814.7A
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Chinese (zh)
Inventor
沈楠
张海涛
赵立强
于剑楠
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Hebei Normal University of Science and Technology
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Hebei Normal University of Science and Technology
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Priority to CN202011579814.7A priority Critical patent/CN112763810A/en
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Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0864Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0892Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0807Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G01R29/0857Dosimetry, i.e. measuring the time integral of radiation intensity; Level warning devices for personal safety use
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a computer digital video information electromagnetic leakage detection device which comprises a detection device main body, a leakage detection device and a leakage alarm device. The middle part of the top end of the detection device main body is fixedly connected with a leakage alarm device fixedly connected with the front surface of the leakage detection device, the middle part of the front surface of the detection device main body is connected with a leakage prevention processing device, the bottom end of the detection device main body is fixedly connected with a device pressing base pad, one end top of the detection device main body is fixedly connected with a bundling winding column, the bundling winding column reflects the bundling convenience of the device, the device pressing base pad reflects the detection buffering accuracy of the equipment, the leakage prevention processing device reduces the loss caused by signal leakage, the leakage alarm device reflects the alarm high efficiency of the device, the leakage detection device reflects the measurement controllability of the device, and the leakage detection device is suitable for the use in the technical field of computer electromagnetic leakage detection and has wide development prospect in the future.

Description

Electromagnetic leakage detection device for computer digital video information
Technical Field
The invention belongs to the technical field of computer electromagnetic leakage detection, and particularly relates to a computer digital video information electromagnetic leakage detection device.
Background
With the continuous development of information technology, electronic information equipment has completely entered into our daily life, and the information security of electronic equipment and network equipment has a great influence on economy and military, so that the electromagnetic information security is more and more emphasized by people, and some countries have applied the electromagnetic security to economy and military. The information security of the computer which is essential for the work and life of modern people is particularly important, especially for the computer which carries out confidential work. Computers produce unintentional electromagnetic radiation during operation, but useful information is hidden in the unintentional electromagnetic radiation, and the useful information hidden in the electromagnetic radiation can be reproduced at a long distance. When the computer system processes information, the mainboard, the display, the cable and the interface in the computer system generate electromagnetic information leakage with different degrees, however, the video system is the video system with the strongest electromagnetic leakage radiation and the largest visible information amount in the whole computer system, and the leaked information of the video system is most easily received and reproduced.
The value regulation and control can't be revealed according to the condition of difference to current device when detecting, detects the regulation and control nature not enough, and current device only possesses simple detection function, can't in time send out the police dispatch newspaper when appearing revealing, and the safety alarm nature is not enough, and current device only possesses simple detection function of revealing simultaneously, when appearing revealing, can't handle the electromagnetic signal who reveals, unable fine reduction information safety loss.
Disclosure of Invention
The invention aims to: in order to solve the problems of insufficient detection regulation and control performance, insufficient safety alarm performance and incapability of reducing information safety loss in the background technology, a computer digital video information electromagnetic leakage detection device is provided.
The technical scheme adopted by the invention is as follows: a computer digital video information electromagnetic leakage detection device comprises a detection device main body, a leakage detection device and a leakage alarm device, wherein the middle part of the top end of the detection device main body is fixedly connected with the leakage detection device;
one side of the top of the leakage detection device is fixedly connected with a detection data integrated display screen, the bottom end of the detection data integrated display screen is fixedly connected with a detection conduction pipe, one end of the detection conduction pipe is fixedly connected with a parameter comparison module, the top end of the parameter comparison module is movably connected with a threshold value setting module, one side of the parameter comparison module is connected with a time domain extremum signal detection module in a lap joint manner, and the top end of the time domain extremum signal detection module is fixedly connected with a signal acquisition antenna;
the other end of the detection conduction tube is fixedly connected with a trigger guide tube, one side of the trigger guide tube is fixedly connected with a buzzer, one end of the trigger guide tube is fixedly connected with an alarm signal transmitting antenna, and the top of one side of the trigger guide tube is fixedly connected with an alarm flashing lamp;
the inside one side fixedly connected with access port of detection device main part, the one end fixedly connected with electromagnetic signal of access port inserts the wire, the one end fixedly connected with wave filter of electromagnetic signal access wire, one side overlap joint of wave filter links to each other there is signal output port, one side fixedly connected with manual frequency modulator of signal output port, the manual frequency modulation knob of top fixedly connected with of manual frequency modulator.
Preferably, the bottom end of the detection device main body is fixedly connected with a device pressing bottom pad.
Preferably, the top of one end of the detection device main body is fixedly connected with a bundling winding column.
Preferably, the two sides of the top end of the detection device main body are fixedly connected with a light-compensating integrated lamp.
Preferably, an embedded beam-collecting groove is embedded and connected to the rear surface of one side of the detection device main body.
Preferably, a stressed pull ring is fixedly connected to the rear of the detection device main body.
Preferably, the leakage detection device is formed by combining a detection data integrated display screen on one side of the top, a detection conduction tube at the bottom end of the detection data integrated display screen, a parameter comparison module at one end of the detection conduction tube, a threshold value setting module at the top end of the parameter comparison module, a time domain extreme value signal detection module on one side of the parameter comparison module and a signal acquisition antenna at the top end of the time domain extreme value signal detection module.
Preferably, the leakage alarm device is formed by combining a trigger conduit at the other end of the detection conducting pipe, a buzzer at one side of the trigger conduit, an alarm signal transmitting antenna at one end of the trigger conduit and an alarm flashing lamp at the top of one side of the trigger conduit.
Preferably, the anti-leakage processing device is formed by combining an access port at one side inside the detection device main body, an electromagnetic signal access wire at one end of the access port, a filter at one end of the electromagnetic signal access wire, a signal output port at one side of the filter, a manual frequency modulator at one side of the signal output port and a manual frequency modulation knob at the top of the manual frequency modulator.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, by arranging the leakage detection device, the leakage detection device acquires a time domain signal transmitted by computer video electromagnetic leakage through the signal acquisition antenna and transmits the time domain signal to the time domain extreme value signal detection module for detection through the detection conduction tube; a leakage threshold value is preset through a threshold value setting module, whether the integral sidelobe ratio value detected by a time domain extremum signal detection module is larger than the set threshold value or not is judged through a parameter comparison module, if yes, electromagnetic leakage is judged, the parameter corresponding to the maximum value of the local extremum signal is used as a synchronous parameter of an electromagnetic leakage signal, the detection is convenient and rapid, and the adjustment and control can be carried out according to different threshold values, so that the measurement adjustability of the device is well embodied;
2. according to the electromagnetic leakage detection device, the leakage alarm device is arranged, when the leakage detection device detects electromagnetic leakage, the electromagnetic leakage is conducted to the trigger conduit through the detection conduction tube, the trigger conduit respectively triggers the buzzer, the alarm signal emitting antenna and the alarm flashing lamp to respectively send out a buzzing sound, a wireless alarm signal and a flashing light large-channel high-efficiency alarm effect, and therefore the alarm high efficiency of the electromagnetic leakage detection device is well reflected;
3. according to the invention, the anti-leakage processing device is arranged, the anti-leakage processing device is accessed to receive an electromagnetic signal through a genetic access port and is connected to a lead for real-time transmission through the electromagnetic signal, when the detection device detects electromagnetic leakage, the trigger tube triggers the filter to filter the accessed electromagnetic signal, the signal output from the signal output port after filtering can prevent the loss of signal data, meanwhile, a worker can adjust the manual frequency modulator through manually adjusting the manual frequency modulation knob, so that the frequency of the output electromagnetic signal is adjusted, the effect of protecting the signal data is also achieved, and the loss caused by signal leakage is well reduced.
4. In the invention, light supplementing integrated lamps are fixedly connected to two sides of the top end of a detection device main body, when the device is detected at night, additional lighting and light supplementing equipment is needed, the device is troublesome, the existing device does not have a good integrated light supplementing design, the light supplementing integrated lamps are good light supplementing lamp beads, and various parameter elements of the device can be well supplemented with light to cover, so that the light supplementing convenience of the device is well embodied, an embedded beam collecting groove is embedded and connected to the back of one side of the detection device main body, a worker needs to additionally place some personal articles when performing detection work, the existing device does not have a good integrated storage design, the worker cannot conveniently take and store the device at any time, and the embedded beam collecting groove is designed as an integrated article placing box arranged on the device, the user can put into the embedded groove of restrainting of receiving with the personal article of relevance and keep in, and fine convenience of working personnel takes at any time.
5. According to the invention, the bottom end of the detection device main body is fixedly connected with the device pressing base pad, when the device operates, the detection effect is easily influenced by vibration generated from the outside, the device pressing base pad is arranged and is of a good soft cushion structure, so that the influence of the external vibration on the detection of the device can be well prevented, the detection buffering accuracy of the device is well embodied, the top of one end of the detection device main body is fixedly connected with the winding and bunching column, more pipelines exist in the device during use, the existing device does not have a good bunching design, and the winding and bunching column is a good revolving column design through the arrangement of the winding and bunching column, so that a worker can revolve and bunch the related pipelines along the bunching and winding column, and the bunching convenience of the device is well embodied.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a main body of the detecting device of the present invention;
FIG. 3 is an enlarged schematic view of the invention at A;
FIG. 4 is an enlarged view of the invention at B;
fig. 5 is an enlarged view of the present invention at C.
The labels in the figure are: 1. the device comprises a detection device main body, 2, a leakage detection device, 3, a leakage alarm device, 4, a leakage prevention processing device, 5, a device pressing base pad, 6, a beam-receiving winding column, 7, a light-compensating integrated lamp, 8, an embedded beam-receiving groove, 9, a stress pull ring, 10, a detection data integrated display screen, 11, a detection conduction tube, 12, a parameter comparison module, 13, a threshold setting module, 14, a time domain extreme value signal detection module, 15, a signal acquisition antenna, 16, a trigger conduit, 17, a buzzer, 18, an alarm signal transmitting antenna, 19, an alarm flashing lamp, 20, an access port, 21, an electromagnetic signal access wire, 22, a filter, 23, a signal output port, 24, a manual frequency modulator, 25 and a manual frequency modulation knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a computer digital video information electromagnetic leakage detection device comprises a detection device main body 1, a leakage detection device 2 and a leakage alarm device 3, wherein the middle part of the top end of the detection device main body 1 is fixedly connected with the leakage detection device 2, the front of the leakage detection device 2 is fixedly connected with the leakage alarm device 3, and the middle part of the front of the detection device main body 1 is connected with a leakage prevention processing device 4;
one side of the top of the leakage detection device 2 is fixedly connected with a detection data integrated display screen 10, the bottom end of the detection data integrated display screen 10 is fixedly connected with a detection conduction pipe 11, one end of the detection conduction pipe 11 is fixedly connected with a parameter comparison module 12, the top end of the parameter comparison module 12 is movably connected with a threshold value setting module 13, one side of the parameter comparison module 12 is connected with a time domain extremum signal detection module 14 in a lap joint mode, and the top end of the time domain extremum signal detection module 14 is fixedly connected with a signal acquisition antenna 15;
the other end of the detection conduction tube 11 is fixedly connected with a trigger conduit 16, one side of the trigger conduit 16 is fixedly connected with a buzzer 17, one end of the trigger conduit 16 is fixedly connected with an alarm signal transmitting antenna 18, and the top of one side of the trigger conduit 16 is fixedly connected with an alarm flashing lamp 19;
one side fixedly connected with access port 20 of the inside of detection device main part 1, the one end fixedly connected with electromagnetic signal of access port 20 inserts wire 21, the one end fixedly connected with wave filter 22 of electromagnetic signal access wire 21, the overlap joint of one side of wave filter 22 links to each other with signal output port 23, one side fixedly connected with manual frequency modulator 24 of signal output port 23, the top fixedly connected with manual frequency modulation knob 25 of manual frequency modulator 24.
Preferably, the bottom fixedly connected with device pressfitting heelpiece 5 of detection device main part 1, the device is when moving, and the detection effect is influenced easily in the vibrations of external production, and through setting up device pressfitting heelpiece 5, device pressfitting heelpiece 5 is fine soft blotter structure, can be fine prevent that external vibrations from causing the influence to equipment detection to fine embodiment the detection buffering accuracy of this equipment.
Preferably, the winding post 6 is restrainted to one end top fixedly connected with of detection device main part 1, because the device has more pipeline when using, current device does not possess fine receipts and restraints the design, through setting up receipts bundle winding post 6, receives to restraint winding post 6 for fine revolving the post design, the staff can revolve the receipts with relevant pipeline along receiving bundle winding post 6 to fine embodiment the device the receipts bundle convenience.
Preferably, the top both sides fixedly connected with light filling integrated lamp 7 of detection device main part 1, when the device detects at night, need be with the help of other illumination light filling equipment, and is comparatively troublesome, and current device does not possess fine integrative light filling design, and through setting up light filling integrated lamp 7, light filling integrated lamp 7 is fine light filling lamp pearl, can be fine carry out the light filling to each parameter component of equipment and cover to fine embodiment the light filling convenience of the device.
Preferably, one side of detection device main part 1 is embedded at the back and is connected with embedded receipts and restraints groove 8, the staff is carrying out the detection achievement time, need place some personal article in addition, current device does not possess fine an organic whole and deposits the design, the staff of being not convenient for takes and deposits at any time, through setting up embedded receipts and restraints groove 8, embedded receipts are restrainted groove 8 and are put the thing box design for the an organic whole that sets up on equipment, the user can put into embedded receipts with relevant personal article and restraints the inslot 8 and keep in, fine convenience of working personnel takes at any time.
Preferably, detection device main part 1's fixedly connected with atress pull ring 9 at the back, when carrying out the activity to the device and carrying, current device does not possess fine atress structure, and through setting up atress pull ring 9, atress pull ring 9 is the atress ring design integrative with equipment, and user's accessible atress pull ring 9 carries out the atress pulling to equipment to fine going on that has made things convenient for equipment to carry.
Preferably, the leakage detection device 2 is formed by combining a detection data integrated display screen 10 on one side of the top, a detection conducting tube 11 at the bottom of the detection data integrated display screen 10, a parameter comparison module 12 at one end of the detection conducting tube 11, a threshold value setting module 13 at the top end of the parameter comparison module 12, a time domain extremum signal detection module 14 on one side of the parameter comparison module 12 and a signal acquisition antenna 15 at the top end of the time domain extremum signal detection module 14, the existing device cannot regulate and control leakage values according to different conditions during detection, and by arranging the leakage detection device 2, the leakage detection device 2 acquires a time domain signal transmitted by computer video electromagnetic leakage through the signal acquisition antenna 15 and transmits the time domain extremum signal to the time domain extremum signal detection module 14 through the detection conducting tube 11 for detection; a leakage threshold value is preset through a threshold value setting module 13, whether the integral sidelobe ratio value detected by a time domain extremum signal detection module 14 is larger than the set threshold value or not is judged through a parameter comparison module 12, electromagnetic leakage is judged if the integral sidelobe ratio value is larger than the set threshold value, the parameter corresponding to the maximum value of the local extremum signal is used as the synchronous parameter of the electromagnetic leakage signal, the detection is convenient and fast, and the adjustment and control can be carried out according to different threshold values, so that the measurement adjustability and the control performance of the device are well embodied.
Preferably, the leakage alarm device 3 is formed by combining a trigger conduit 16 at the other end of the detection conducting tube 11, a buzzer 17 at one side of the trigger conduit 16, an alarm signal transmitting antenna 18 at one end of the trigger conduit 16 and an alarm flashing lamp 19 at the top of one side of the trigger conduit 16, the existing device only has a simple detection function, cannot give an alarm in time when leakage occurs, and is insufficient in safety alarm performance, by arranging the leakage alarm device 3, when the leakage detection device 2 detects electromagnetic leakage, the electromagnetic leakage is transmitted to the trigger conduit 16 through the detection conducting tube 11, the trigger conduit 16 respectively triggers the buzzer 17, the alarm signal transmitting antenna 18 and the alarm flashing lamp 19, and respectively gives out buzzing sound, wireless flashing alarm signals and flashing light large-channel high-efficiency alarm effects, so that the alarm efficiency of the device is well embodied.
Preferably, the anti-leakage processing device 4 is formed by combining an access port 20 at one side inside the detection device main body 1, an electromagnetic signal access wire 21 at one end of the access port 20, a filter 22 at one end of the electromagnetic signal access wire 21, a signal output port 23 at one side of the filter 22, a manual frequency modulator 24 at one side of the signal output port 23 and a manual frequency modulation knob 25 at the top of the manual frequency modulator 24, the existing device only has a simple leakage detection function, when leakage occurs, the leaked electromagnetic signal cannot be processed, and the information safety loss cannot be reduced well, by arranging the anti-leakage processing device 4, the anti-leakage processing device 4 receives the electromagnetic signal through the genetic access port 20 and transmits the electromagnetic signal in real time through the electromagnetic signal access wire 21, when the detection device detects the electromagnetic leakage, the filter 22 is triggered through the trigger tube to filter the accessed electromagnetic signal, the signal output from the signal output port 23 after the filtering processing can prevent the loss of the signal data, and meanwhile, the staff can adjust the manual frequency modulator 24 through manually adjusting the manual frequency modulation knob 25, so that the frequency of the output electromagnetic signal can be adjusted, the effect of protecting the signal data can be achieved, and the loss caused by signal leakage can be well reduced.
The working principle is as follows: firstly, by arranging the running buffer damper 25, the buffer damper 25 is of a good damping spring structure, and can well buffer the vibration generated when the equipment runs, so that the buffering and damping performance of the equipment is well embodied;
then, by arranging the overhead light supplement lamp 26, the overhead light supplement lamp 26 is a good light supplement lamp bead, and can well play a role in light supplement at night, so that the light supplement convenience of the equipment is well embodied;
then, by setting the leakage detection device 2, the leakage detection device 2 acquires a time domain signal transmitted by the computer video electromagnetic leakage through the signal acquisition antenna 15, and transmits the time domain signal to the time domain extreme value signal detection module 14 through the detection conduction tube 11 for detection; a leakage threshold value is preset through a threshold value setting module 13, whether the integral sidelobe ratio value detected by a time domain extremum signal detecting module 14 is larger than the set threshold value or not is judged through a parameter comparison module 12, if yes, electromagnetic leakage is judged, the parameter corresponding to the maximum value of the local extremum signal is used as the synchronous parameter of the electromagnetic leakage signal, the detection is convenient and fast, and the adjustment and control can be carried out according to different threshold values, so that the measurement adjustability of the device is well embodied;
next, by arranging the leakage alarm device 3, when the leakage detection device 2 detects electromagnetic leakage, the electromagnetic leakage is transmitted to the trigger conduit 16 through the detection conduction tube 11, the trigger conduit 16 respectively triggers the buzzer 17, the alarm signal transmitting antenna 18 and the alarm flashing lamp 19 to respectively send out a buzzing sound, a wireless alarm signal and a flashing light large-channel high-efficiency alarm effect, so that the alarm efficiency of the device is well embodied;
finally, through setting up the anti-leakage processing device 4, the anti-leakage processing device 4 is accessed and received the electromagnetic signal through the hereditary access port 20, and transmit in real time through the electromagnetic signal access wire 21, after the detection device detects the electromagnetic leakage, will pass the trigger tube and trigger the filter 22 to carry on the filtering processing to the electromagnetic signal of access, the signal that outputs from the signal output port 23 after the filtering processing can prevent the loss of the signal data, the staff can also adjust the manual frequency modulation knob 24 through the manual regulation, thus reach and adjust the frequency of the output electromagnetic signal, reach the effect of protecting the signal data equally, thus the very good loss that has reduced the signal leakage and caused, this is the theory of operation of this kind of computer digital video information electromagnetic leakage detection device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a computer digital video information electromagnetism leakage detection device, includes detection device main part (1), reveals detection device (2) and reveals alarm device (3), its characterized in that: the middle part of the top end of the detection device main body (1) is fixedly connected with a leakage detection device (2), the front of the leakage detection device (2) is fixedly connected with a leakage alarm device (3), and the middle part of the front of the detection device main body (1) is connected with an anti-leakage processing device (4);
one side of the top of the leakage detection device (2) is fixedly connected with a detection data integrated display screen (10), the bottom end of the detection data integrated display screen (10) is fixedly connected with a detection conduction pipe (11), one end of the detection conduction pipe (11) is fixedly connected with a parameter comparison module (12), the top end of the parameter comparison module (12) is movably connected with a threshold value setting module (13), one side of the parameter comparison module (12) is connected with a time domain extremum signal detection module (14) in a lap joint manner, and the top end of the time domain extremum signal detection module (14) is fixedly connected with a signal acquisition antenna (15);
the other end of the detection conduction tube (11) is fixedly connected with a trigger guide tube (16), one side of the trigger guide tube (16) is fixedly connected with a buzzer (17), one end of the trigger guide tube (16) is fixedly connected with an alarm signal transmitting antenna (18), and the top of one side of the trigger guide tube (16) is fixedly connected with an alarm flashing lamp (19);
the inside one side fixedly connected with access port (20) of detection device main part (1), the one end fixedly connected with electromagnetic signal of access port (20) inserts wire (21), the one end fixedly connected with wave filter (22) of electromagnetic signal access wire (21), one side overlap joint of wave filter (22) has linked to each other signal output port (23), one side fixedly connected with manual frequency modulation ware (24) of signal output port (23), the manual frequency modulation knob (25) of top fixedly connected with of manual frequency modulation ware (24).
2. The apparatus according to claim 1, wherein said apparatus comprises: the bottom end of the detection device main body (1) is fixedly connected with a device pressing bottom pad (5).
3. The apparatus according to claim 1, wherein said apparatus comprises: the top of one end of the detection device main body (1) is fixedly connected with a bundling winding column (6).
4. The apparatus according to claim 1, wherein said apparatus comprises: and two sides of the top end of the detection device main body (1) are fixedly connected with a light-compensating integrated lamp (7).
5. The apparatus according to claim 1, wherein said apparatus comprises: an embedded beam-collecting groove (8) is embedded and connected in the rear of one side of the detection device main body (1).
6. The apparatus according to claim 1, wherein said apparatus comprises: the rear of the detection device body (1) is fixedly connected with a stressed pull ring (9).
7. The apparatus according to claim 1, wherein said apparatus comprises: leak detection device (2) are by detection data integrated display screen (10) of top one side, detect detection conduction pipe (11) of data integrated display screen (10) bottom, detect parameter contrast module (12) of conduction pipe (11) one end, threshold setting module (13) on parameter contrast module (12) top, time domain extreme value signal detection module (14) and time domain extreme value signal detection module (14) top of parameter contrast module (12) one side acquire antenna (15) and make up jointly and form.
8. The apparatus according to claim 1, wherein said apparatus comprises: the leakage alarm device (3) is formed by combining a trigger conduit (16) at the other end of the detection conducting pipe (11), a buzzer (17) at one side of the trigger conduit (16), an alarm signal transmitting antenna (18) at one end of the trigger conduit (16) and an alarm flashing lamp (19) at the top of one side of the trigger conduit (16).
9. The apparatus according to claim 1, wherein said apparatus comprises: the anti-leakage processing device (4) is formed by combining an access port (20) on one side inside a detection device body (1), an electromagnetic signal access lead (21) at one end of the access port (20), a filter (22) at one end of the electromagnetic signal access lead (21), a signal output port (23) on one side of the filter (22), a manual frequency modulator (24) on one side of the signal output port (23) and a manual frequency modulation knob (25) at the top of the manual frequency modulator (24).
CN202011579814.7A 2020-12-28 2020-12-28 Electromagnetic leakage detection device for computer digital video information Pending CN112763810A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172999A (en) * 2021-12-02 2022-03-11 王颖 Land is beckoned and is clapped information safety monitoring device
CN115209135A (en) * 2022-07-22 2022-10-18 中孚安全技术有限公司 Electromagnetic leakage video detection and restoration system

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970455A (en) * 1988-11-02 1990-11-13 Hirosuke Suzuki Device for measuring electromagnetic wave leakage
US20040174309A1 (en) * 2003-03-05 2004-09-09 Gerard Terreault Signal leakage detector
CN1758561A (en) * 2002-01-24 2006-04-12 富士通株式会社 The transmission method and the transmitting device that suppress leakage electromagnetic field
CN1930819A (en) * 2004-05-24 2007-03-14 日本电信电话株式会社 Information leakage preventive device and information leakage preventive method
CN105575036A (en) * 2016-01-29 2016-05-11 江苏华宁电子系统工程有限公司 Alarm device for confidential cabinet electromagnetic wave leakage, alarm system and detection method
CN107590960A (en) * 2017-10-24 2018-01-16 周孜宁 The gas leakage alarming device and method of a kind of Parameter adjustable
CN108267647A (en) * 2017-12-19 2018-07-10 中国电子科技网络信息安全有限公司 A kind of detection method and device of power supply conduction electromagnetic leakage protection
CN108459209A (en) * 2018-02-08 2018-08-28 中国科学院信息工程研究所 A kind of computer video electromagnetic leakage synchronization parameter extracting method and device
CN109218564A (en) * 2018-11-13 2019-01-15 深圳市金城保密技术有限公司 Generation method, device, storage medium and the video interferometer of video jamming signal
CN109961615A (en) * 2019-02-27 2019-07-02 邱晖 A kind of anti-leak control circuit
CN209313848U (en) * 2019-01-29 2019-08-27 济南爱我本克网络科技有限公司 A kind of Terahertz electromagnetic interference system
CN110909819A (en) * 2019-12-02 2020-03-24 集美大学 Electromagnetic information leakage detection method based on time domain, terminal equipment and storage medium
WO2020180207A1 (en) * 2019-03-06 2020-09-10 Joint-Stock Company "Concern "Sozvezdie" A method for masking an electromagnetic verbal information leak channel in digital radio communication lines
CN211555074U (en) * 2020-04-01 2020-09-22 深圳市艾礼安安防设备有限公司 Frequency-adjustable leakage cable intrusion detection device
CN111896811A (en) * 2020-08-03 2020-11-06 北京环境特性研究所 Method for inhibiting influence of video leakage on scattering measurement

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970455A (en) * 1988-11-02 1990-11-13 Hirosuke Suzuki Device for measuring electromagnetic wave leakage
CN1758561A (en) * 2002-01-24 2006-04-12 富士通株式会社 The transmission method and the transmitting device that suppress leakage electromagnetic field
US20040174309A1 (en) * 2003-03-05 2004-09-09 Gerard Terreault Signal leakage detector
CN1930819A (en) * 2004-05-24 2007-03-14 日本电信电话株式会社 Information leakage preventive device and information leakage preventive method
US20090013205A1 (en) * 2004-05-24 2009-01-08 Masao Masugi Information Leakage Prevention Apparatus and Information Leakage Prevention Method
CN105575036A (en) * 2016-01-29 2016-05-11 江苏华宁电子系统工程有限公司 Alarm device for confidential cabinet electromagnetic wave leakage, alarm system and detection method
CN107590960A (en) * 2017-10-24 2018-01-16 周孜宁 The gas leakage alarming device and method of a kind of Parameter adjustable
CN108267647A (en) * 2017-12-19 2018-07-10 中国电子科技网络信息安全有限公司 A kind of detection method and device of power supply conduction electromagnetic leakage protection
CN108459209A (en) * 2018-02-08 2018-08-28 中国科学院信息工程研究所 A kind of computer video electromagnetic leakage synchronization parameter extracting method and device
CN109218564A (en) * 2018-11-13 2019-01-15 深圳市金城保密技术有限公司 Generation method, device, storage medium and the video interferometer of video jamming signal
CN209313848U (en) * 2019-01-29 2019-08-27 济南爱我本克网络科技有限公司 A kind of Terahertz electromagnetic interference system
CN109961615A (en) * 2019-02-27 2019-07-02 邱晖 A kind of anti-leak control circuit
WO2020180207A1 (en) * 2019-03-06 2020-09-10 Joint-Stock Company "Concern "Sozvezdie" A method for masking an electromagnetic verbal information leak channel in digital radio communication lines
CN110909819A (en) * 2019-12-02 2020-03-24 集美大学 Electromagnetic information leakage detection method based on time domain, terminal equipment and storage medium
CN211555074U (en) * 2020-04-01 2020-09-22 深圳市艾礼安安防设备有限公司 Frequency-adjustable leakage cable intrusion detection device
CN111896811A (en) * 2020-08-03 2020-11-06 北京环境特性研究所 Method for inhibiting influence of video leakage on scattering measurement

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
丁彦芳: "《电磁泄漏对计算机信息安全的影响及预防方法》", 《信息通信》 *
史飞: "《计算机信息系统电磁泄漏威胁与防护》", 《研究与交流》 *
王森: "《数字视频信息电磁泄漏的抑制与检测方法研究》", 《中国优秀硕士学位论文全文数据库 (基础科学辑)》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172999A (en) * 2021-12-02 2022-03-11 王颖 Land is beckoned and is clapped information safety monitoring device
CN114172999B (en) * 2021-12-02 2023-03-14 王颖 Land is beckoned and is clapped information safety monitoring device
CN115209135A (en) * 2022-07-22 2022-10-18 中孚安全技术有限公司 Electromagnetic leakage video detection and restoration system
CN115209135B (en) * 2022-07-22 2023-04-28 中孚安全技术有限公司 Electromagnetic leakage video detection and restoration system

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