CN207731275U - Safety device for computer - Google Patents
Safety device for computer Download PDFInfo
- Publication number
- CN207731275U CN207731275U CN201820153691.2U CN201820153691U CN207731275U CN 207731275 U CN207731275 U CN 207731275U CN 201820153691 U CN201820153691 U CN 201820153691U CN 207731275 U CN207731275 U CN 207731275U
- Authority
- CN
- China
- Prior art keywords
- usb interface
- connecting bridge
- data transmission
- conductive coil
- transmission block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Abstract
The utility model is related to computer information safe apparatus fields, it is particularly used for the safety device of computer, it include the lockset on host, lockset includes jack, lock tongue and lock core, lock core is equipped with the supporting rod extended to inside host, it further include the data transmission block in self-resetting magnetic block and host, the connecting bridge for being connected to data transmission link is equipped between USB interface and data transmission block, the both ends of connecting bridge are respectively connected with elastic string, elastic string is connected on data transmission block and USB interface, supporting rod is equipped with conductive coil, connecting bridge can be coaxially disposed with USB interface and data transmission block；Further include current sensor, microcontroller and alarm, current sensor forms closed circuit with conductive coil and detects the electric current in conductive coil, and control alarm carries out sound-light alarm after the current signal of microcontroller acquisition current sensor.The utility model open-circuit line and is alarmed when information is stolen, and improves Information Security.
Description
Technical field
The utility model is related to computer information safe apparatus fields, and in particular to the security protection for computer fills
It sets.
Background technology
With the development of science and technology, computer becomes amusement important during we live, study and work tool, meter
A large amount of confidential information is stored in calculation machine, so the information security of computer is also particularly important.The secret letter of computer
Breath is generally stored in hard drive internal, and the storage of computer-internal confidential information is generally carried out by USB interface, but USB interface
Opening it is larger, duplication confidential information can be copied when with USB flash disk.
Existing computer security equipment is covered USB interface by protective door, then by Protective lock by protective door
It closes, Protective lock is opened when use and pulls open protective door, to use USB interface.But the safety of this safeguard
Performance depends on Protective lock, when stealer is when being stolen, generally all can first be unlocked, can be copied after Protective lock is unlocked
Shellfish is to data, and not in time, the safety of information is relatively low for alarm.
Utility model content
The utility model is intended to provide a kind of safety device for computer, to improve the peace of information in computer
Quan Xing.
The safety device for computer in this programme, includes the lockset on host, and the lockset includes
Jack, lock tongue and lock core, the lock core are equipped with the supporting rod extended to inside host, further include being arranged in USB interface simultaneously
The magnetic block to automatically reset and the data transmission block in host are equipped between the USB interface and data transmission block and are used for
It is connected to the connecting bridge of data transmission link, the both ends of the connecting bridge are respectively connected with elastic string, the elasticity at the connecting bridge both ends
Rope is connected on data transmission block and USB interface, and the supporting rod, which is equipped with, can support the conductive coil for opening connecting bridge, described
Connecting bridge, USB interface and data transmission block are in connecting bridge by being coaxially disposed before opening；
Further include current sensor, microcontroller and alarm, the current sensor is closed back with conductive coil formation
The electric current in conductive coil is simultaneously detected in road, and control alarm carries out after the current signal of the microcontroller acquisition current sensor
Sound-light alarm.
The application method and advantageous effect of this programme be：When opening lockset normal use, connecting bridge be located at USB interface with
Between data transmission block and it is connected to mutual transmission line, to allow USB interface, connecting bridge and data transmission block to form data
USB flash disk is inserted into USB interface by transmission channel, and during this is inserted into USB flash disk to USB interface, magnetic block is pushed to company by USB flash disk
It connects in bridge, USB interface carries out data transmission by data transmission channel, since conductive coil does not cut the magnetic strength of magnetic block generation
Line, current sensor can not detect that electric current, alarm will not send out alarm in normal use and generate wrong report.
When carrying out security protection to host and lockset being kept to lock, conductive coil supports and opens connecting bridge, and conductive coil is located at
Between data transmission block and USB interface, when someone steals the USB flash disk of data by USB interface insertion, USB flash disk will be in USB interface
Magnetic block promotes in conductive coil, and during magnetic block is pushed into conductive coil, conductive coil is transported relative to magnetic block
Simultaneously cutting magnetic induction line is moved, induced current is generated in conductive coil, current sensor detects electric current and sends electricity to microcontroller
Signal is flowed, microcontroller gets control alarm after current signal and alarm, and thus reminds administrative staff's information stolen
It steals.
USB interface is showed in the form of complete in this programme, is not blocked, and the available illusion of USB interface is caused, can
It guides stealer to be inserted into USB flash disk, reduces pilferage information person and have recognized the need to the probability for being unlocked and could copying replicate data, simultaneously
Connecting bridge makes data transmission channel disconnect by opening between data transmission block and USB interface, even if being inserted into USB flash disk can not carry out
Data copy replicates, and the action for being inserted into USB flash disk to information stealer at this moment is alarmed, convenient to be chased after in time to stealer
Track improves the safety of information.
Further, the elastic string is connected on the top end face of connecting bridge.
Before connecting bridge is by opening, elastic string will not be stuck in connecting bridge and data transmission block, connecting bridge and USB interface it
Between, avoid elastic string influence USB interface, connecting bridge and being connected to for data transmission block and data can not be transmitted.
Further, being rotatably assorted on the end of the supporting rod has shaft, is installed in the shaft with two panels flabellum
Exhaust fan, the flabellum is respectively equipped with polarity with conductive coil towards on the side of USB interface on the end of exhaust fan
Opposite magnet.
During opening lockset, allows supporting rod rotation that conductive coil is driven to move up, conductive coil is allowed to leave company
The position for connecing bridge, since shaft and supporting rod are rotatably assorted, supporting rod will not drive exhaust fan to rotate together when rotating, so branch
Strut rotation has furthered the spacing of magnet between flabellum and conductive coil, and due to the polarity between magnet on the contrary, repulsion between magnet
Power can push flabellum to be rotated, to be distributed the air in host from the radiator-grid of host to radiate,
It avoids carrying out for a long time keeping the local temperature of host part excessively high when data copy replicate data.
Further, the end of the magnetic block towards side outside host is connected with elastic component, the free end of the elastic component
It is connected in USB interface, the connecting bridge is towards being provided with the groove being embedded in for magnetic block on the end of USB interface side.
When opening lockset for normal use, USB flash disk is inserted into USB interface, connecting bridge is opened since conductive coil does not support,
Magnetic block is not by the normal use of USB flash disk in the groove into connecting bridge, is influenced, and elastic deformation occurs for elastic component, and conductive coil is not
Cutting magnetic induction line, current sensor will not detect that electric current, alarm will not alarm, and after extracting USB flash disk, elastic component restores elasticity
Deformation and make magnetic block reset, avoid magnetic block from interfering the use of USB interface, using more convenient.
Further, the axial length of the conductive coil is less than the axial length of connecting bridge.
When conductive coil, which supports, opens connecting bridge, conductive coil is not filled up completely the position where connecting bridge, avoids conduction
Coil is stuck between data transmission block and USB interface, ensures the smoothness of conductive coil movement.
Description of the drawings
Fig. 1 is structural schematic diagram of the utility model for the safety device embodiment of computer；
Fig. 2 is lockset, data transmission block, connecting bridge of the utility model for the safety device embodiment of computer
With the structural schematic diagram of USB interface.
Specific implementation mode
Below by the further details of explanation of specific implementation mode.
Reference numeral in Figure of description includes：Host 1, lockset 2, USB interface 3, data transmission block 4, conductive coil
5, connecting bridge 6, magnet 7, current sensor 8, elastic component 9, jack 21, lock tongue 22, lock core 23, supporting rod 24, exhaust fan 25, turn
Axis 26, magnetic block 31, elastic string 32.
Include the lockset 2 on host 1, lockset 2 as depicted in figs. 1 and 2 for the safety device of computer
Including jack 21, lock tongue 22 and lock core 23, be slidably matched the magnetic block 31 to automatically reset in the USB interface 3 of host 1, magnetic
Block 31 can use 7 pieces of the magnet of strip, the end of magnetic block 31 towards 1 outer side of host to be connected with elastic component 9, elastic component 9
Free end is bonded in USB interface 3, and elastic component 9 can use elastic cord, and elastic cord be subject to the use for not influencing USB flash disk.
It is also equipped with data transmission block 4 in host 1, is combined between USB interface 3 and data transmission block 4 for being connected to
The both ends of the connecting bridge 6 of data transmission link, connecting bridge 6 are bonded with elastic string 32, and elastic string 32 is bonded in 6 end of connecting bridge
Top end face on, two elastic strings 32 are connected on data transmission block 4 and USB interface 3, and the size of elastic string 32 is with not shadow
Ring connecting bridge 6, subject to being connected to of data transmission block 4 and USB interface 3, connecting bridge 6 is towards being provided on the end of 3 side of USB interface
The groove being embedded in for magnetic block 31.
The supporting rod 24 extended to inside host 1 is welded on lock core 23, being welded with by connection sheet on supporting rod 24 can
To the conductive coil 5 for opening connecting bridge 6, connection sheet is made of insulating materials, and the axial length of conductive coil 5 is less than connecting bridge 6
Axial length, connecting bridge 6 are supported by data transmission link is formed with USB interface 3 and the coaxial arrangement of data transmission block 4 before opening
Being rotatably assorted on the end of bar 24 has shaft 26, and the exhaust fan 25 with two panels flabellum, flabellum direction are welded in shaft 26
Opposite polarity magnet 7 is respectively equipped on the end of exhaust fan 25 with conductive coil 5 on the side of USB interface 3.
Further include current sensor 8, microcontroller and alarm, current sensor 8 forms closed circuit with conductive coil 5
And the electric current in conductive coil 5 is detected, control alarm carries out acousto-optic after the current signal of microcontroller acquisition current sensor 8
Alarm.
The data line with transmission data in connector, in data transmission block 4 and host 1
When specifically used, under initial normal operating condition, connecting bridge 6 is between USB interface 3 and data transmission block 4
And it is connected to mutual transmission line, to allow USB interface 3, connecting bridge 6 and data transmission block 4 to form data transmission channel,
During USB flash disk is inserted into USB interface 3, USB flash disk makes magnetic block 31 enter in the groove of connecting bridge 6 against magnetic block 31, not shadow
The normal use of USB flash disk is rung, while elastic deformation occurs for elastic component 9, after extracting USB flash disk, elastic component 9 restores elastic deformation and makes magnetic
Property block 31 reset, avoid magnetic block 31 from interfering the use of USB interface 3, using more convenient, USB interface 3 passes through data transmission channel
Data transmission is carried out, since conductive coil 5 does not cut the magnetic induction line of the generation of magnetic block 31, current sensor 8 can not detect electricity
Stream, alarm will not send out alarm in normal use and generate wrong report.
To main frame 1 carry out security protection when, keep lockset 2 lock, lock lockset 2 when can by with lockset 2
Mating key carries out, and when locking lockset 2, key is inserted into 21 transfer movable lock core 23 of jack, and lock tongue 22 is made to lock in host 1, locks
It drives supporting rod 24 to rotate when core 23 rotates, so that conductive coil 5 is rotated to 6 side of connecting bridge and is supported downwards and open connecting bridge 6, allow and lead
Electric coil 5 is between data transmission block 4 and USB interface 3, when someone steals the USB flash disk of data by the insertion of USB interface 3, U
Disk promotes the magnetic block 31 in USB interface 3 in conductive coil 5, conductive during magnetic block 31 is pushed into conductive coil 5
Coil 5 relative to magnetic block 31 move and cutting magnetic induction line, and induced current is generated in conductive coil 5, and current sensor 8 is examined
It measuring electric current and sends current signal to microcontroller, control alarm is alarmed after microcontroller gets current signal,
Thus remind the administrative staff information is tampered.
During opening lockset 2, allow supporting rod 24 rotation drive conductive coil 5 move up, allow conductive coil 5 from
The position of connecting bridge 6 is opened, supporting rod 24 can also rotate, since shaft 26 and supporting rod 24 are rotatably assorted, when supporting rod 24 rotates
Exhaust fan 25 will not be driven to rotate together, so supporting rod 24 rotates the spacing for the magnet 7 between flabellum and conductive coil 5 of having furthered,
Again due to the polarity between magnet 7 on the contrary, the repulsive force between magnet 7 can push flabellum to be rotated, thus by the air in host 1
It distributes to radiate from the radiator-grid of host 1, avoids carrying out for a long time making host 1 when data copy replicate data
The local temperature of component is excessively high.
When magnetic block 31 is by USB interface 3 is gone out, elastic string 32 generates elastic deformation, when the USB flash disk in USB interface 3 is pulled out
After going out, elastic string 32 restores elastic deformation, allows magnetic block 31 to reset, and the setting of elastic string 32 is will not be stuck in connecting bridge 6
Subject between data transmission block 4, connecting bridge 6 and USB interface 3, elastic string 32 is avoided to influence USB interface 3,6 sum number of connecting bridge
Data can not be transmitted according to the connection of transmission block 4.
USB interface 3 is showed in the form of complete in the present embodiment, is not blocked, and 3 available vacation of USB interface is caused
As, guiding stealer is inserted into USB flash disk, reduces pilferage information person and has recognized the need to the probability for being unlocked and could copying replicate data,
Connecting bridge 6 makes data transmission channel disconnect, being inserted into USB flash disk not by opening between data transmission block 4 and USB interface 3 simultaneously
Data copy duplication can be carried out, and the action for being inserted into USB flash disk to information stealer at this moment is alarmed, it is convenient in time to stealer
It is tracked, improves the safety of information.
It is equipped with data line in connecting bridge 6 and data transmission block 4, when connecting bridge 6 is against USB interface 3 and data
When between transmission block 4, USB interface 3, connecting bridge 6 are connected to the data transmission link between data transmission block 4, the detailed knot of lockset 2
Structure belongs to the prior art, and this embodiment is not repeated.
In the present embodiment, microcontroller can be realized with microcontroller, such as C8051F040 microcontrollers, and current sensor 8 can
With existing ACS758ACS758LCB-050B-PFF-T sensors, current sensor 8 and the input pin signal of microcontroller connect
It connects, alarm can use existing buzzer and LED light, output pin and the alarm control of microcontroller to connect, and microcontroller obtains
The signal of current sensor 8 and control alarm alarm technology belong to the prior art, details are not described herein.
Claims (5)
- Include the lockset on host, the lockset includes jack, lock tongue and lock 1. for the safety device of computer Core, it is characterised in that：The lock core is equipped with the supporting rod extended to inside host, further includes being arranged in USB interface simultaneously certainly The dynamic magnetic block resetted and the data transmission block in host, are equipped between the USB interface and data transmission block for connecting The connecting bridge of logical data transmission link, the both ends of the connecting bridge are respectively connected with elastic string, the elastic string at the connecting bridge both ends It is connected on data transmission block and USB interface, the supporting rod, which is equipped with, can support the conductive coil for opening connecting bridge, the company Bridge, USB interface and data transmission block are connect in connecting bridge by being coaxially disposed before opening；Further include current sensor, microcontroller and alarm, the current sensor forms closed circuit simultaneously with conductive coil The electric current in conductive coil is detected, control alarm carries out acousto-optic after the current signal of the microcontroller acquisition current sensor Alarm.
- 2. the safety device according to claim 1 for computer, it is characterised in that：The elastic string is connected to On the top end face of connecting bridge.
- 3. the safety device according to claim 1 for computer, it is characterised in that：The end of the supporting rod On be rotatably assorted and have shaft, be installed with the exhaust fan with two panels flabellum in the shaft, the flabellum is towards the side of USB interface Opposite polarity magnet is respectively equipped on the end of exhaust fan with conductive coil on face.
- 4. the safety device according to claim 1 for computer, it is characterised in that：The magnetic block direction is main The end of the outer side of machine is connected with elastic component, and the free end of the elastic component is connected in USB interface, the connecting bridge direction The groove being embedded in for magnetic block is provided on the end of USB interface side.
- 5. the safety device according to claim 1 for computer, it is characterised in that：The axis of the conductive coil It is less than the axial length of connecting bridge to length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153691.2U CN207731275U (en) | 2018-01-29 | 2018-01-29 | Safety device for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153691.2U CN207731275U (en) | 2018-01-29 | 2018-01-29 | Safety device for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731275U true CN207731275U (en) | 2018-08-14 |
Family
ID=63080978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820153691.2U Expired - Fee Related CN207731275U (en) | 2018-01-29 | 2018-01-29 | Safety device for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111651013A (en) * | 2020-06-03 | 2020-09-11 | 杭州康桔科技有限公司 | Suspended computer case based on electromagnetic conversion |
-
2018
- 2018-01-29 CN CN201820153691.2U patent/CN207731275U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111651013A (en) * | 2020-06-03 | 2020-09-11 | 杭州康桔科技有限公司 | Suspended computer case based on electromagnetic conversion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20200129 |