CN112380590A - Computer information safety arrangement - Google Patents
Computer information safety arrangement Download PDFInfo
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- CN112380590A CN112380590A CN202011263122.1A CN202011263122A CN112380590A CN 112380590 A CN112380590 A CN 112380590A CN 202011263122 A CN202011263122 A CN 202011263122A CN 112380590 A CN112380590 A CN 112380590A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/88—Detecting or preventing theft or loss
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
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Abstract
The invention discloses a computer information safety protection device which comprises a protection shell, a protection plate and a movable panel, wherein one side of the protection shell is movably connected with the protection plate, the middle part of the protection plate is movably connected with the movable panel, the lower surface of the protection shell is movably connected with a supporting base, the other side of the protection shell is movably connected with protection glass, and the lower end of the other side of the protection shell is provided with a heat dissipation hole. According to the invention, through the arrangement of the protection plate, the connecting block and the connecting head are movably connected through the connecting shaft, so that the effect of mutual rotation can be achieved, when the movable panel is moved, the moved protection plate moves in the sliding groove, and under the guidance of the containing groove, the protection plate is rotated to move into the containing groove, so that the protection plate can effectively protect the front side of a computer while the position of the movable panel is adjusted, the situation that a mobile storage device is connected with the computer to read and copy data is avoided, and the information safety of the computer is protected.
Description
Technical Field
The invention relates to the technical field of information security, in particular to a computer information security protection device.
Background
Two aspects are involved for network security: on the one hand, physical security is included, which means that tangible objects such as communication, computer equipment and related facilities in a network system are protected from being wetted by rainwater. Another aspect also includes what we commonly speak of logical security. Including information integrity, confidentiality, availability, etc. Physical security and logical security are very important, and network security is affected when no protection is provided on any aspect, so that the security protection must be reasonably arranged while considering the two aspects.
Data stored in the computer can be copied after being connected through the mobile storage equipment or a system and data which damage the computer by computer viruses are installed in the computer, the leaked data can cause personal property threats to users, personal information is used for telecommunication fraud and other behaviors, and privacy information is exposed, so a computer information safety protection device is needed.
Disclosure of Invention
The present invention is directed to a computer information security device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a computer information safety arrangement, includes protecting sheathing, protection shield and removal panel, one side swing joint of protecting sheathing has the protection shield, the middle part swing joint of protection shield has the removal panel, protecting sheathing's lower surface swing joint has the support base, protecting sheathing's opposite side swing joint has protection glass, the louvre has been seted up to the lower extreme of protecting sheathing opposite side, the inside fixedly connected with of louvre strains the dirt net, protecting sheathing's inside fixedly connected with support frame, the lower extreme fixedly connected with computer chassis of support frame.
Preferably, the equal fixedly connected with threaded rod in both ends of removal panel, the equal meshing of one end of threaded rod is connected with fixation nut, the connecting hole has been seted up to one side of removal panel, the one end fixedly connected with key hole of removal panel one side, the one end fixedly connected with swing pinion of key hole, one side meshing of swing pinion is connected with the lifter plate, the lifting tooth has been seted up to the one end of lifter plate, the one end fixedly connected with baffle of lifter plate, the baffle is corresponding with the position of connecting hole.
Preferably, the one end fixedly connected with connecting block of protection shield, the other end fixedly connected with connector of protection shield, the connecting axle has been cup jointed to the inside of connector, the surface swing joint of connecting axle has the connecting block, the equal fixedly connected with slider in both ends of protection shield, the spout has been seted up to protecting sheathing's inboard, spout and slider looks adaptation, the equal fixedly connected with in both ends of spout accomodates the groove, one side swing joint of protection glass has the supporting screw, protection glass passes through supporting screw and protecting sheathing swing joint.
Preferably, one side fixedly connected with pin of support frame, the one end swing joint of pin has the fixed plate, the one end fixedly connected with connecting screw of pin, one side of connecting screw is provided with the locating plate, the constant head tank has been seted up to one side of keeping off the fixed plate, constant head tank and locating plate looks adaptation, the fixed plate passes through connecting screw and pin swing joint, the one end swing joint of connecting screw has fixing nut, one side of fixing nut is provided with the gasket, the quantity of pin and fixed plate is two.
Preferably, the upper end fixedly connected with mount inside the protecting sheathing, the inside fixedly connected with motor of mount, the output fixedly connected with flabellum of motor, the one end fixedly connected with locating piece of flabellum, locating piece and mount fixed connection.
Preferably, the upper surface of the protective shell is provided with a ventilation hole, the interior of the ventilation hole is movably connected with a dust screen, the outer edge of the lower surface of the dust screen is fixedly connected with a magnetic strip, and the dust screen is movably connected with the protective shell through the magnetic strip.
Preferably, the both sides of lifter plate all fixedly connected with fixture block, the guiding groove has been seted up to the inside of removal panel, fixture block and guiding groove looks adaptation, one side fixedly connected with plectrum of fixation nut.
Preferably, the computer information security protection device further includes: the device comprises a monitoring module, a detection module, a pressure sensing module and a control module;
the monitoring module is connected with the detection module;
the detection module and the pressure sensing module are connected with the control module;
the pressure sensing module is arranged in the key hole;
the monitoring module includes:
the acquisition unit is used for acquiring infrared interference optical signals in a preset range near the computer information safety protection device when the mobile panel is static;
the infrared receiving unit is used for receiving infrared interference optical signals in a preset range near the computer information safety protection device and converting the infrared interference optical signals into electric signal values to be output;
the gain conversion unit is used for judging whether the electric signal value has jitter or not, if the electric signal value has jitter, the electric signal value output by the infrared receiving unit is subjected to conversion and amplification by a first gain conversion value (large gain conversion value), and if the electric signal value has no jitter, the electric signal value output by the infrared receiving unit is subjected to conversion and amplification by a second gain conversion value (small gain conversion value);
the storage unit is used for storing the amplified electric signal value output by the gain conversion unit each time and updating the electric signal value into a new reference electric signal;
the comparison unit is used for comparing the amplified electric signal value output by the gain conversion unit with the reference electric signal, if the amplified electric signal value output by the gain conversion unit is larger than the reference electric signal, judging that a human body approaches and outputs a human body signal within a preset range near the computer information safety protection device, otherwise, judging that no human body approaches within the preset range near the computer information safety protection device;
the acquisition unit is arranged on the outer surface of the movable panel;
the detection module comprises:
the camera is used for recording images in a preset range near the computer information safety protection device when the comparison unit outputs the human body signal;
the positioning unit is used for positioning one or more static objects in the corresponding scene space based on the image, and positioning the initial shape and the position of the static objects by using the virtual boundary;
the monitoring unit is used for monitoring the virtual boundary change of the human body based on the initial shape and the position of the static object synchronously with the camera when the monitoring module receives the human body signal, and outputting the virtual boundary change as a human body change image;
the analysis unit is used for comparing the human body change image with a preset human body virtual boundary image, outputting a safety signal if the similarity of the human body change image and the preset human body virtual boundary image is greater than the preset similarity, and outputting a danger signal if the similarity of the human body change image and the preset human body virtual boundary image is less than the preset similarity;
the pressure sensing module is used for sensing whether the pressure applied to the key hole is the preset pressure for inserting the key into the key hole or not, if so, outputting a first signal, and otherwise, outputting a second signal;
the control module is used for controlling the alarm to give an alarm when the analysis unit outputs a dangerous signal and the pressure sensor outputs a second signal, otherwise, controlling the alarm to keep a standby state.
Preferably, the computer information security protection device further includes: the device comprises an image processing module, a calculation module and a comparison module;
the image processing module, the calculating module and the comparing module are connected in sequence;
the image processing module is used for decomposing the image shot by the camera within a preset range near the recording computer information safety protection device into a plurality of frames of images and establishing a corresponding image time domain;
the calculation module is used for calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device:
firstly, based on the residual error of the image time domain established by the image processing module:
A′t(x,y)＝At(x,y)-At-1(x,y)
of formula (II) to't(x, y) is the residual error between the time t and the previous time t-1 of the pixel point with the coordinate (x, y), At(x, y) is the pixel value of the pixel point with coordinates (x, y) at the time t, At-1(x, y) is the pixel value of the pixel point with the coordinate (x, y) at the time t-1, t is the current time for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the ordinate of the current pixel point in the image time domain;
then, calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device based on the residual of the image time domain established by the image processing module:
in the formula (I), the compound is shown in the specification,
an image residual gradient value A 'of image decomposition in a preset range near the computer information safety protection device't(x, y) is the residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate (x, y)'t(x, y-1) is a residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate of (x, y-1)'t(x-1, y) is the residual error of the pixel point with the coordinate of (x-1, y) at the moment t and the previous moment t-1, t is the current moment for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the ordinate of the current pixel point in the image time domain;
the comparison module is used for comparing the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device with a preset image residual gradient value, and when the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device is smaller than the preset image residual gradient value, the indication lamp is controlled to flash, otherwise, the indication lamp is controlled to be normally on.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the protection plate, the connecting block and the connecting head are movably connected through the connecting shaft, so that the effect of mutual rotation can be achieved, when the movable panel is moved, the moved protection plate moves in the sliding groove, and under the guidance of the containing groove, the protection plate is rotated to move into the containing groove, so that the protection plate can effectively protect the front side of a computer while the position of the movable panel is adjusted, the situation that a mobile storage device is connected with the computer to read and copy data is avoided, and the information safety of the computer is protected.
2. According to the invention, through the arrangement of the movable panel and the matching arrangement of the threaded rod and the fixing nut, the effect of conveniently adjusting the height of the movable panel is achieved, the movable panel can be adapted to computers with different sizes, the rotary gear is fixedly connected to one side of the key hole, the rotary gear can drive the lifting plate in meshed connection to lift the lifting plate after the key is inserted into the key hole to rotate the key hole, the movable storage equipment is conveniently connected with the computer through the connecting hole, data can be copied and transmitted under the condition of obtaining permission, the effect of controllable data transmission is achieved, and the occurrence of data stealing by external personnel is reduced.
3. According to the invention, through the arrangement of the stop lever, the fixing plate can be detached after the fixing nut is loosened, the stability of the connection between the baffle and the fixing plate can be increased through the arrangement of the positioning plate and the positioning groove, the effect of fixing the computer is achieved after the fixing plate and the baffle are installed in place after the computer is placed in the support frame, the stability is increased, and the computer is prevented from being damaged.
4. According to the invention, through the matching arrangement of the motor and the fan blades, the effect that the motor drives the fan blades to rotate and takes out hot air inside the fan blades to facilitate heat dissipation is achieved, the effect of filtering dust is achieved through the arrangement of the dustproof net, the effect of conveniently disassembling and cleaning the dustproof net is achieved through the arrangement of the magnetic stripes, and the practicability is high.
5. By arranging the monitoring module, the detection module, the pressure sensing module and the control module, whether a human body approaches the computer information safety protection device in a preset range can be monitored, and whether dangerous personnel need to approach the computer information safety protection device is judged by combining the detection result of the pressure sensing module, so that the information safety of the computer is further ensured, and the functions of the computer information safety protection device are enriched.
6. By arranging the image processing module, the calculating module and the comparing module, the invention can calculate the image residual gradient value of the image decomposition in the preset range near the computer information safety protection device, and compares the image residual gradient value with the preset image residual gradient value to obtain whether the current image processing module works normally, thereby effectively ensuring the normal use of the monitoring function.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side perspective view of the present invention;
FIG. 4 is a schematic side view of the protection board of the present invention;
FIG. 5 is a perspective view of the rear side of the mobile panel of the present invention;
FIG. 6 is an exploded view of a retainer plate according to the present invention;
FIG. 7 is a schematic view of the bottom structure of the dust screen of the present invention;
FIG. 8 is a flow chart of the operation of the present invention.
In the figure: 1. a protective housing; 2. a protection plate; 3. moving the panel; 4. a shifting sheet; 5. a support base; 6. protecting glass; 7. heat dissipation holes; 8. a dust filter screen; 9. a support frame; 10. a computer chassis; 11. a threaded rod; 12. fixing a nut; 13. connecting holes; 14. a key hole; 15. a rotating gear; 16. a lifting plate; 17. lifting teeth; 18. a baffle plate; 19. connecting blocks; 20. a connector; 21. a connecting shaft; 22. a slider; 23. a chute; 24. a receiving groove; 25. a support screw; 26. a stop lever; 27. a fixing plate; 28. a connecting screw; 29. positioning a plate; 30. positioning a groove; 31. fixing a nut; 32. a motor; 33. a guide groove; 34. a fan blade; 35. positioning blocks; 36. a dust screen; 37. a magnetic strip; 38. a clamping block; 39. a monitoring module; 40. a detection module; 41. a pressure sensing module; 42. a control module; .
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 to 7, in embodiment 1 of the present invention, a protective housing 1, a protective plate 2 and a movable panel 3 are movably connected to one side of the protective housing 1, the protective housing 1 plays a role of protecting a computer and avoiding stealing internal information, the middle part of the protective plate 2 is movably connected to the movable panel 3, the lower surface of the protective housing 1 is movably connected to a supporting base 5, the supporting base 5 plays a role of increasing friction force and reducing displacement of the protective housing 1, the other side of the protective housing 1 is movably connected to a protective glass 6, a heat dissipation hole 7 is formed at the lower end of the other side of the protective housing 1, a dust filtering net 8 is fixedly connected to the inside of the heat dissipation hole 7, the dust filtering net 8 plays a role of filtering dust, a support frame 9 is fixedly connected to the inside of the protective housing 1, and a computer chassis 10 is fixedly connected.
In embodiment 2 of the present invention, a protective housing 1, a protective plate 2 and a movable panel 3, wherein one side of the protective housing 1 is movably connected with the protective plate 2, the middle part of the protective plate 2 is movably connected with the movable panel 3, the lower surface of the protective housing 1 is movably connected with a supporting base 5, the other side of the protective housing 1 is movably connected with a protective glass 6, the lower end of the other side of the protective housing 1 is provided with a heat dissipation hole 7, the inside of the heat dissipation hole 7 is fixedly connected with a dust filter net 8, the inside of the protective housing 1 is fixedly connected with a supporting frame 9, and the lower end of the supporting;
among them, the difference from example 1 is: both ends of the movable panel 3 are fixedly connected with a threaded rod 11, one end of the threaded rod 11 is engaged with a fixed nut 12, one side of the movable panel 3 is provided with a connecting hole 13, one end of one side of the movable panel 3 is fixedly connected with a key hole 14, one end of the key hole 14 is fixedly connected with a rotating gear 15, one side of the rotating gear 15 is engaged with a lifting plate 16, one end of the lifting plate 16 is provided with a lifting tooth 17, one end of the lifting plate 16 is fixedly connected with a baffle plate 18, the baffle plate 18 corresponds to the position of the connecting hole 13, the effect of conveniently adjusting the height of the movable panel 3 is achieved through the arrangement of the movable panel 3 and the matching arrangement of the threaded rod 11 and the fixed nut 12, computers with different sizes can be adapted, through the rotating gear 15 fixedly connected with one side of the key hole 14, the effect that the rotating gear 15 can drive the lifting plate 16 engaged, the lifting plate 16 is lifted, so that the mobile storage equipment is conveniently connected with a computer through the connecting hole 13, data is copied and transmitted under the condition of permission, the effect of controlling data transmission is achieved, and the occurrence of data stealing by external personnel is reduced; one end of the protection plate 2 is fixedly connected with a connecting block 19, the other end of the protection plate 2 is fixedly connected with a connector 20, the inside of the connector 20 is sleeved with a connecting shaft 21, the outer surface of the connecting shaft 21 is movably connected with the connecting block 19, both ends of the protection plate 2 are both fixedly connected with sliders 22, the inner side of the protection shell 1 is provided with a chute 23, the chute 23 is matched with the sliders 22, both ends of the chute 23 are both fixedly connected with accommodating grooves 24, one side of the protection glass 6 is movably connected with a supporting screw 25, the protection glass 6 is movably connected with the protection shell 1 through the supporting screw 25, through the arrangement of the protection plate 2, the connecting block 19 and the connector 20 are movably connected through the connecting shaft 21, the mutual rotatable effect is achieved, when the panel is moved, the moved protection plate 3 moves in the chute 23, under the guidance of the accommodating grooves 24, the front side of the computer can be effectively protected by the protection board while the position of the movable panel 3 is adjusted, the situation that the movable storage equipment is connected with the computer to read and copy data is avoided, and the information safety of the computer is protected; one side of the supporting frame 9 is fixedly connected with a stop lever 26, one end of the stop lever 26 is movably connected with a fixing plate 27, one end of the stop lever 26 is fixedly connected with a connecting screw 28, one side of the connecting screw 28 is provided with a positioning plate 29, one side of the stop fixing plate 27 is provided with a positioning groove 30, the positioning groove 30 is matched with the positioning plate 29, the fixing plate 27 is movably connected with the stop lever 26 through the connecting screw 28, one end of the connecting screw 28 is movably connected with a fixing nut 31, one side of the fixing nut 31 is provided with a gasket, the stop lever 26 and the fixing plate 27 are both two in number, through the arrangement of the baffle plate 18, the fixing plate 27 can be detached after the fixing nut 31 is loosened, through the arrangement of the positioning plate 29 and the positioning groove 30, the stability of the connection of the baffle plate 18 and the fixing plate 27 can be increased, the effect of fixing the computer can be achieved, the stability is improved, and the computer is prevented from being damaged; the upper end inside the protective shell 1 is fixedly connected with a fixing frame, the inside of the fixing frame is fixedly connected with a motor 32, the output end of the motor 32 is fixedly connected with a fan blade 34, one end of the fan blade 34 is fixedly connected with a positioning block 35, the positioning block 35 is fixedly connected with the fixing frame, the effect that the motor 32 drives the fan blade 34 to rotate is achieved through the matching arrangement of the motor 32 and the fan blade 34, the hot air inside is extracted to facilitate heat dissipation, the effect of filtering dust is achieved through the arrangement of a dust screen 36, the effect of conveniently disassembling and cleaning the dust screen 36 is achieved through the arrangement of a magnetic stripe 37, and the practicability is high; the upper surface of the protective shell 1 is provided with a ventilation hole, the interior of the ventilation hole is movably connected with a dustproof net 36, the outer edge of the lower surface of the dustproof net 36 is fixedly connected with a magnetic strip 37, and the dustproof net 36 is movably connected with the protective shell 1 through the magnetic strip 37; the two sides of the lifting plate 16 are fixedly connected with clamping blocks 38, the inside of the movable panel 3 is provided with a guide groove 33, the clamping blocks 38 are matched with the guide groove 33, and one side of the fixed nut 12 is fixedly connected with the shifting piece 4;
the working principle is as follows: through the setting that removes face 3, cooperation setting through threaded rod 11 and fixation nut 12, play the effect that conveniently adjusts the height of removal panel 3, can the not unidimensional computer of adaptation, through one side fixedly connected with swing pinion 15 at key hole 14, play and after inserting 1 rotatory key hole 14 of income key, swing pinion 15 can drive the lifter plate 16 that the meshing is connected, lift lifter plate 16, conveniently remove storage device and pass through connecting hole 13 and computer connection, copy and transmission data under the circumstances that obtains the permission, play the controllable effect of transmission to data, reduce the emergence that the exotic personnel stolen data.
The using method comprises the following steps: the computer is placed in the protective casing 1, is fixed by the stop lever 26 and the fixing plate 27, and then the baffle plate 18 is lifted by turning the key hole 14 by a key when the mobile storage device is required to be used, and then data can be transmitted from the connecting hole 13.
Referring to fig. 8, the computer information security protection apparatus further includes: a monitoring module 39, a detection module 40, a pressure sensing module 41, a control module 42;
the monitoring module 39 is connected with the detection module 40;
the detection module 40 and the pressure sensing module 41 are connected with the control module 42;
the pressure sensing module 41 is arranged in the key hole 14;
the monitoring module 39 includes:
the acquisition unit is used for acquiring infrared interference optical signals in a preset range near the computer information safety protection device when the mobile panel 3 is static;
the infrared receiving unit is used for receiving infrared interference optical signals in a preset range near the computer information safety protection device and converting the infrared interference optical signals into electric signal values to be output;
the gain conversion unit is used for judging whether the electric signal value has jitter or not, if the electric signal value has jitter, the electric signal value output by the infrared receiving unit is subjected to conversion and amplification by a first gain conversion value (large gain conversion value), and if the electric signal value has no jitter, the electric signal value output by the infrared receiving unit is subjected to conversion and amplification by a second gain conversion value (small gain conversion value);
the storage unit is used for storing the amplified electric signal value output by the gain conversion unit each time and updating the electric signal value into a new reference electric signal;
the comparison unit is used for comparing the amplified electric signal value output by the gain conversion unit with the reference electric signal, if the amplified electric signal value output by the gain conversion unit is larger than the reference electric signal, judging that a human body approaches and outputs a human body signal within a preset range near the computer information safety protection device, otherwise, judging that no human body approaches within the preset range near the computer information safety protection device;
wherein, the acquisition unit is arranged on the outer surface of the movable panel 3;
the detection module 40 includes:
the camera is used for recording images in a preset range near the computer information safety protection device when the comparison unit outputs the human body signal;
the positioning unit is used for positioning one or more static objects in the corresponding scene space based on the image, and positioning the initial shape and the position of the static objects by using the virtual boundary;
the monitoring unit is used for monitoring the virtual boundary change of the human body based on the initial shape and the position of the static object synchronously with the camera when the monitoring module 39 receives the human body signal, and outputting the virtual boundary change as a human body change image;
the analysis unit is used for comparing the human body change image with a preset human body virtual boundary image, outputting a safety signal if the similarity of the human body change image and the preset human body virtual boundary image is greater than the preset similarity, and outputting a danger signal if the similarity of the human body change image and the preset human body virtual boundary image is less than the preset similarity;
the pressure sensing module 41 is configured to sense whether a pressure applied to the inside of the key hole 14 is a preset pressure when a key is inserted into the key hole 14, and if so, output a first signal, otherwise, output a second signal;
the control module 42 is configured to control the alarm to give an alarm when the analysis unit outputs the danger signal and the pressure sensor outputs the second signal, and otherwise, control the alarm to maintain a standby state.
The working principle and the beneficial effects of the technology are as follows: the monitoring module 39 is used for sensing whether a person approaches the computer information safety protection device by using an infrared device; the detection module 40 is used for judging whether the human body is a dangerous person after being absorbed based on an image processing technology; the pressure sensing module 41 is configured to sense whether a pressure applied to the inside of the key hole 14 is a preset pressure when a key is inserted into the key hole 14, and if so, output a first signal, otherwise, output a second signal; the control module 42 is used for controlling the alarm to give an alarm when the analysis unit outputs a human body signal and the pressure sensor outputs a second signal, otherwise, controlling the alarm to keep a standby state; by arranging the monitoring module, the detection module, the pressure sensing module and the control module, whether a human body approaches the computer information safety protection device in a preset range can be monitored, and whether dangerous personnel need to approach the computer information safety protection device is judged by combining the detection result of the pressure sensing module, so that the information safety of the computer is further ensured, and the functions of the computer information safety protection device are enriched.
The computer information security protection device further comprises: the device comprises an image processing module, a calculation module and a comparison module;
the image processing module, the calculating module and the comparing module are connected in sequence;
the image processing module is used for decomposing the image shot by the camera within a preset range near the recording computer information safety protection device into a plurality of frames of images and establishing a corresponding image time domain;
the calculation module is used for calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device:
firstly, based on the residual error of the image time domain established by the image processing module:
A′t(x,y)＝At(x,y)-At-1(x,y)
of formula (II) to't(x, y) is the residual error between the time t and the previous time t-1 of the pixel point with the coordinate (x, y), At(x, y) is the pixel value of the pixel point with coordinates (x, y) at the time t, At-1(x, y) is the pixel value of the pixel point with the coordinate (x, y) at the time t-1, t is the current time for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the ordinate of the current pixel point in the image time domain;
then, calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device based on the residual of the image time domain established by the image processing module:
in the formula (I), the compound is shown in the specification,
an image residual gradient value A 'of image decomposition in a preset range near the computer information safety protection device't(x, y) is the residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate (x, y)'t(x, y-1) is a residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate of (x, y-1)'t(x-1, y) is the residual error of the pixel point with coordinates (x-1, y) at the moment t and the previous moment t-1, t is the current moment for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the currentThe vertical coordinate of the pixel point in the image time domain;
the comparison module is used for comparing the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device with a preset image residual gradient value, and when the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device is smaller than the preset image residual gradient value, the indication lamp is controlled to flash, otherwise, the indication lamp is controlled to be normally on.
The working principle and the beneficial effects of the technology are as follows: the image processing module is used for decomposing the image shot by the camera within a preset range near the recording computer information safety protection device into a plurality of frames of images and establishing a corresponding image time domain; the computing module is used for computing an image residual gradient value of image decomposition within a preset range near the computer information safety protection device; the comparison module is used for comparing the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device with a preset image residual gradient value, and when the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device is smaller than the preset image residual gradient value, the indication lamp is controlled to flash, otherwise, the indication lamp is controlled to be normally on; by arranging the image processing module, the calculating module and the comparing module, the invention can calculate the image residual gradient value of the image decomposition in the preset range near the computer information safety protection device, and compares the image residual gradient value with the preset image residual gradient value to obtain whether the current image processing module works normally, thereby effectively ensuring the normal use of the monitoring function.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a computer information safety arrangement, includes protecting sheathing (1), protection shield (2) and removal panel (3), its characterized in that: one side swing joint of protecting sheathing (1) has protection shield (2), the middle part swing joint of protection shield (2) has removal panel (3), the lower surface swing joint of protecting sheathing (1) has support base (5), the opposite side swing joint of protecting sheathing (1) has protection glass (6), louvre (7) have been seted up to the lower extreme of protecting sheathing (1) opposite side, the inside fixedly connected with dust filter screen (8) of louvre (7), the inside fixedly connected with support frame (9) of protecting sheathing (1), the lower extreme fixedly connected with computer chassis (10) of support frame (9).
2. The computer information security protection apparatus of claim 1, wherein: the utility model discloses a portable electronic device, including removal panel (3), the equal fixedly connected with threaded rod in both ends (11) of removal panel (3), the equal meshing of one end of threaded rod (11) is connected with fixation nut (12), connecting hole (13) have been seted up to one side of removal panel (3), the one end fixedly connected with key hole (14) of removal panel (3) one side, the one end fixedly connected with swing gear (15) of key hole (14), the one side meshing of swing gear (15) is connected with lifter plate (16), lift tooth (17) have been seted up to the one end of lifter plate (16), the one end fixedly connected with baffle (18) of lifter plate (16), baffle (18) are corresponding with the position of connecting hole (13).
3. The computer information security protection apparatus of claim 1, wherein: one end fixedly connected with connecting block (19) of protection shield (2), the other end fixedly connected with connector (20) of protection shield (2), connecting axle (21) has been cup jointed to the inside of connector (20), the surface swing joint of connecting axle (21) has connecting block (19), the equal fixedly connected with slider (22) in both ends of protection shield (2), spout (23) have been seted up to the inboard of protecting sheathing (1), spout (23) and slider (22) looks adaptation, groove (24) are accomodate to the equal fixedly connected with in both ends of spout (23), one side swing joint of protection glass (6) has support screw (25), protection glass (6) are through support screw (25) and protecting sheathing (1) swing joint.
4. The computer information security protection apparatus of claim 1, wherein: one side fixedly connected with pin (26) of support frame (9), the one end swing joint of pin (26) has fixed plate (27), the one end fixedly connected with connecting screw (28) of pin (26), one side of connecting screw (28) is provided with locating plate (29), constant head tank (30) have been seted up to one side of keeping off fixed plate (27), constant head tank (30) and locating plate (29) looks adaptation, fixed plate (27) are through connecting screw (28) and pin (26) swing joint, the beautiful fixing nut (31) that is connected with of one end activity of connecting screw (28), one side of fixing nut (31) is provided with the gasket, the quantity of pin (26) and fixed plate (27) is two.
5. The computer information security protection apparatus of claim 1, wherein: the utility model discloses a fan, including protective housing (1), inside upper end fixedly connected with mount, the inside fixedly connected with motor (32) of mount, the output end fixedly connected with flabellum (34) of motor (32), the one end fixedly connected with locating piece (35) of flabellum (34), locating piece (35) and mount fixed connection.
6. The computer information security protection apparatus of claim 1, wherein: the upper surface of the protective shell (1) is provided with a ventilation hole, the interior of the ventilation hole is movably connected with a dustproof net (36), the outer edge of the lower surface of the dustproof net (36) is fixedly connected with a magnetic strip (37), and the dustproof net (36) is movably connected with the protective shell (1) through the magnetic strip (37).
7. The computer information security protection apparatus of claim 1, wherein: the lifting plate is characterized in that clamping blocks (38) are fixedly connected to the two sides of the lifting plate (16), a guide groove (33) is formed in the movable panel (3), the clamping blocks (38) are matched with the guide groove (33), and a shifting piece (4) is fixedly connected to one side of the fixing nut (12).
8. The computer information security protection apparatus of claim 1, wherein: further comprising: the device comprises a monitoring module (39), a detection module (40), a pressure sensing module (41) and a control module (42);
the monitoring module (39) is connected with the detection module (40);
the detection module (40) and the pressure sensing module (41) are connected with the control module (42);
the pressure sensing module (41) is arranged in the key hole (14);
the monitoring module (39) comprises:
the acquisition unit is used for acquiring infrared interference optical signals in a preset range near the computer information safety protection device when the mobile panel (3) is static;
the infrared receiving unit is used for receiving infrared interference optical signals in a preset range near the computer information safety protection device and converting the infrared interference optical signals into electric signal values to be output;
the gain conversion unit is used for judging whether the electric signal value has jitter or not, if so, the electric signal value output by the infrared receiving unit is converted and amplified by a first gain conversion value, and if not, the electric signal value output by the infrared receiving unit is converted and amplified by a second gain conversion value;
the storage unit is used for storing the amplified electric signal value output by the gain conversion unit each time and updating the electric signal value into a new reference electric signal;
the comparison unit is used for comparing the amplified electric signal value output by the gain conversion unit with the reference electric signal, if the amplified electric signal value output by the gain conversion unit is larger than the reference electric signal, judging that a human body approaches and outputs a human body signal within a preset range near the computer information safety protection device, otherwise, judging that no human body approaches within the preset range near the computer information safety protection device;
wherein the acquisition unit is arranged on the outer surface of the movable panel (3);
the detection module (40) comprises:
the camera is used for recording images in a preset range near the computer information safety protection device when the comparison unit outputs the human body signal;
the positioning unit is used for positioning one or more static objects in the corresponding scene space based on the image, and positioning the initial shape and the position of the static objects by using the virtual boundary;
the monitoring unit is used for monitoring the virtual boundary change of the human body based on the initial shape and the position of the static object synchronously with the camera when the monitoring module (39) receives the human body signal, and outputting the virtual boundary change as a human body change image;
the analysis unit is used for comparing the human body change image with a preset human body virtual boundary image, outputting a safety signal if the similarity of the human body change image and the preset human body virtual boundary image is greater than the preset similarity, and outputting a danger signal if the similarity of the human body change image and the preset human body virtual boundary image is less than the preset similarity;
the pressure sensing module (41) is used for sensing whether the pressure applied to the inside of the key hole (14) is the pressure of a preset key inserted into the key hole (14), if so, a first signal is output, otherwise, a second signal is output;
the control module (42) is used for controlling the alarm to give an alarm when the analysis unit outputs a dangerous signal and the pressure sensor outputs a second signal, and otherwise, controlling the alarm to keep a standby state.
9. The computer information security protection apparatus of claim 8, wherein: further comprising: the device comprises an image processing module, a calculation module and a comparison module;
the image processing module, the calculating module and the comparing module are connected in sequence;
the image processing module is used for decomposing the image shot by the camera within a preset range near the recording computer information safety protection device into a plurality of frames of images and establishing a corresponding image time domain;
the calculation module is used for calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device:
firstly, based on the residual error of the image time domain established by the image processing module:
A′t(x,y)＝At(x,y)-At-1(x,y)
of formula (II) to't(x, y) is the residual error between the time t and the previous time t-1 of the pixel point with the coordinate (x, y), At(x, y) is the pixel value of the pixel point with coordinates (x, y) at the time t, At-1(x, y) is the pixel value of the pixel point with the coordinate (x, y) at the time t-1, t is the current time for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the ordinate of the current pixel point in the image time domain;
then, calculating an image residual gradient value of image decomposition within a preset range near the computer information safety protection device based on the residual of the image time domain established by the image processing module:
in the formula (I), the compound is shown in the specification,
an image residual gradient value A 'of image decomposition in a preset range near the computer information safety protection device't(x, y) is the residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate (x, y)'t(x, y-1) is a residual error, A ', between the time t and the previous time t-1 of the pixel point with the coordinate of (x, y-1)'t(x-1, y) is the residual error of the pixel point with the coordinate of (x-1, y) at the moment t and the previous moment t-1, t is the current moment for calculating the residual error of the pixel point, x is the abscissa of the current pixel point in the image time domain, and y is the abscissa of the current pixel point in the image time domainThe ordinate of (a);
the comparison module is used for comparing the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device with a preset image residual gradient value, and when the calculated image residual gradient value of the image decomposition within the preset range near the computer information safety protection device is smaller than the preset image residual gradient value, the indication lamp is controlled to flash, otherwise, the indication lamp is controlled to be normally on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263122.1A CN112380590A (en) | 2020-11-12 | 2020-11-12 | Computer information safety arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263122.1A CN112380590A (en) | 2020-11-12 | 2020-11-12 | Computer information safety arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747715A (en) * | 2021-09-06 | 2021-12-03 | 盐城一方信息技术有限公司 | Control device for computer information security |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747715A (en) * | 2021-09-06 | 2021-12-03 | 盐城一方信息技术有限公司 | Control device for computer information security |
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Application publication date: 20210219 |