CN2689306Y - Data safety protector of computer - Google Patents
Data safety protector of computer Download PDFInfo
- Publication number
- CN2689306Y CN2689306Y CN 200420008877 CN200420008877U CN2689306Y CN 2689306 Y CN2689306 Y CN 2689306Y CN 200420008877 CN200420008877 CN 200420008877 CN 200420008877 U CN200420008877 U CN 200420008877U CN 2689306 Y CN2689306 Y CN 2689306Y
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- Prior art keywords
- usb
- housing
- computer
- hard disk
- data
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Abstract
The utility model discloses the data safety protector of the computer. The inner part of the housing is provided with the network card of the USB interface, and a hard disc; the surface of the housing is provided with a network cable interface, a USB interface, and a change-over switch. The network cable interface of the housing is connected with an external network through the network cable, and the USB interface is connected with a computer mainframe through USB connecting lines. The network card and the hard disc in the housing can proceed signal communication through adopting the USB specification and the computer mainframe; the network card and the hard disc in the housing can jointly use the USB interface on the housing; the change-over switch is used for switching the on/off of the lines among the USB interface, the USB network card, and the USB hard disc; when the device is used, only one device between the USB network card and the USB hard disc is guaranteed to work at any time. The data safety protector of the computer can protect the user hard disc data from the invasion of the computer hacker and the network virus.
Description
Technical field
The present invention relates to a kind of Computer Data Security equipment, especially can protect the device of hard disc data safety.
Background technology
Computer Data Security is a problem of all widely paying close attention in worldwide.For the computer user, the computer hacker steals data, computer virus attack clobber, the hardware damage causes loss of data, is to threaten the common form of secure user data.In order to protect Computer Data Security, global software and hardware merchant has made very big effort, such as for preventing hacker attacks, software business mans such as Microsoft are the various leak design safety patches of computer operating system actively and in time; Be the harm of control computer virus, the software business man has designed a lot of anti-virus softwares, virus firewall etc. again; Damage the loss of data that may cause at computer hardware, the hardware merchant has designed various data backup devices, such as disk array etc.Though these measures have good protective action to user's data safety, the problem that exists should not ignored yet, and these problems comprise:
1. the security patch of operating system only has effect to known security breaches, and the computer hacker still can invade computer-internal by the system vulnerability of the unknown; Same anti-virus software also can only protect known virus, and just powerless to the computer virus of the unknown.
2. whether real the core technology of software protecting is all grasped in software developer's hand, and the user is in a more passive status, can't accurately know data the safety of oneself.
3. the fund input of present stage user aspect Computer Data Security is generally bigger, for this problem at last not of major company and government department; But for medium-sized and small enterprises and personal user, the needed fund input of omnibearing Computer Data Security protection system is difficult to bear.
Next introduce the USB technology.As everyone knows, carry out signal and communication between computer peripheral and the main frame, the signal of transmission will meet predetermined standard or agreement at present, and this is for the interoperability between the equipment that strengthens different company's manufacturing.A kind of such standard is exactly famous universal serial bus specification, be also referred to as the USB standard, it is a kind of computer data host-host protocol of widespread use at present, interface has 5V voltage, support plug-and-play feature, support hot-swappable function, multipotency is connected into 127 USB device simultaneously, divides equally bandwidth by each equipment.It is commonplace to adopt USB interface to calculate peripherals now, for example flash card, portable hard drive, mouse, keyboard and network interface card or the like.
Summary of the invention
The utility model is exactly a kind of new types of data protective device that designs at the deficiency of active computer data guard technology.Can prevent effectively that the computer hacker from stealing user data, prevent that internet worm from attack damaging hard disc data, and the hard disk that the user is equipped with significant data is had certain hardware safety ability.
The technical scheme that its technical matters that solves the utility model adopts is: install to adopt the network interface card and the hard disk of USB interface in an enclosure interior, a netting twine interface is installed on the surface of housing, USB interface and is switched switch.Netting twine interface on the housing connects external network by netting twine, and USB interface links by USB connecting line and host computer.Network interface card in the housing and hard disk adopt USB standard and host computer to carry out signal and communication, and the USB interface on that housing that shared preamble is mentioned, this USB interface is controlled by change-over switch, switch the circuit on-off between itself and USB network interface card and the USB hard disk, guarantee when using this device, arbitrary moment USB network interface card and hard disk can only have one in running order, in other words be exactly that hard disk is not worked when network interface card is in running order; And when hard disk was in running order, network interface card was not worked.During concrete the use, the user can be stored in significant data on the hard disk in the housing (following this hard disk is called the data hard disk), in the data hard disk course of work, network interface card is idle, and the user does not worry that the computer hacker steals data and internet worm is attacked the breaking-up hard disc data; And when being connected to host computer on the Internet by the USB network interface card in the housing, the data hard disk can't be worked, and has blocked the invasion and attack to the data hard disk of computer hacker and internet worm equally, and the user is browsing internet relievedly.In addition, housing adopts heat conduction good metal material, helps the heat radiation of data hard disk, and it is too high and can't operate as normal to make the data hard disk be unlikely to Yin Wendu, support place adopts that rubber mats is soft to be contacted between data hard disk and housing, has increased data hard disk impact resistant capability.
Description of drawings
From below in conjunction with the explanation of accompanying drawing to embodiment, can clearer understanding be arranged to the purpose of this utility model and advantage.In the accompanying drawings:
Fig. 1 is the skeleton view of the utility model embodiment.
Fig. 2 is the block scheme that the utility model embodiment system connects.
Embodiment
Fig. 1 is one concrete embodiment of the utility model.In this embodiment, network interface card interface 2, change-over switch 3 and USB interface 4 all design on the front panel of housing 1, but scope of the present invention is not limited thereto in this point, and these components and parts can design the optional position on housing 1 surface as required.
In the utility model embodiment connection side of system block diagram shown in Figure 2, the hard disk 7 of the network interface card 6 of employing USB interface and employing USB interface is installed in the inside of housing 1.Wherein USB network interface card 6 one ends connect external network by netting twine, and the other end is by change-over switch 3 and use the USB connecting line and host computer 5 links; USB hard disk 7 it is pointed out that equally by change-over switch 3 and use above-mentioned same USB connecting line and host computer 5 to link present USB hard disk generally all is that the ide interface hard disk becomes USB interface by certain change-over circuit.Change-over switch 3 is used for switching the circuit on-off between USB interface 4 and USB network interface card 6 and the USB hard disk 7, guarantees the user when using this device, arbitrary moment USB network interface card 6 and USB hard disk 7 can only have one in running order, another is not then worked.As everyone knows, four lines are arranged in the USB connecting line of standard, be respectively positive source (+5V or VCC), data negative wire (Data-), data main track (Data+) and ground wire (Ground), therefore, change-over switch 3 can be four tunnel change-over switch, if but the circuit of USB network interface card 6 and the usb circuit of hard disk 7 are incorporated on the circuit board, both shared ground wires (Ground), change-over switch 3 also can adopt three tunnel change-over switch so.
In order to make this Computer Data Security apparatus structure more tight, and enhancing impact resistant capability, except taking usb circuit with USB network interface card 6 circuit and hard disk 7 to be incorporated on the circuit board the measure, be recommended in the housing 1 inner notebook hard disk of installing 2.5 inches, the soft contact of rubber mats is preferably adopted in support place between this hard disk and the housing 1, can strengthen the impact resistant capability of this device.Housing 1 adopts heat conduction good metal material, helps the heat radiation of this device.
Claims (3)
1. Computer Data Security protective device; it is characterized in that: it is by housing; the assembly that is installed in surface of shell is formed with USB network interface card that is installed in enclosure interior and USB hard disk; the mounted on surface of housing has the netting twine interface; USB interface and change-over switch; USB interface on the housing links by USB connecting line and host computer; netting twine interface on the housing links by netting twine and external network; change-over switch on the housing is used for switching USB interface on the housing and the circuit on-off between USB network interface card and the USB hard disk; guarantee when using this Computer Data Security protective device; arbitrary moment USB network interface card and USB hard disk can only have one in running order, another is not then worked.
2. Computer Data Security protective device according to claim 1 is characterized in that: the usb circuit of USB network interface card circuit and hard disk can be incorporated on the circuit board.
3. Computer Data Security protective device according to claim 1 is characterized in that: the hard disk of installing in the housing is that specification is 2.5 inches a notebook hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420008877 CN2689306Y (en) | 2004-03-20 | 2004-03-20 | Data safety protector of computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420008877 CN2689306Y (en) | 2004-03-20 | 2004-03-20 | Data safety protector of computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689306Y true CN2689306Y (en) | 2005-03-30 |
Family
ID=34668381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420008877 Expired - Fee Related CN2689306Y (en) | 2004-03-20 | 2004-03-20 | Data safety protector of computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689306Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465981C (en) * | 2007-04-29 | 2009-03-04 | 西南石油大学 | U-disc virus prevention interface |
| CN103678227A (en) * | 2012-09-26 | 2014-03-26 | 炬力集成电路设计有限公司 | Sharing USB interface circuit and method for USB function and network function |
| CN106096459A (en) * | 2016-08-19 | 2016-11-09 | 黄广明 | A kind of safety device for computer network |
| CN106528477A (en) * | 2016-12-05 | 2017-03-22 | 陈丹丹 | USB external structure designing method, antivirus dedicated computer |
| CN106529351A (en) * | 2016-12-05 | 2017-03-22 | 陈丹丹 | USB external structure designing method, computer and secure network system with virus defense capability |
| CN106778383A (en) * | 2016-12-05 | 2017-05-31 | 陈丹丹 | A kind of USB suspensions structure, computer security network |
| CN106778384A (en) * | 2016-12-05 | 2017-05-31 | 陈丹丹 | A kind of USB suspensions structure, computer |
-
2004
- 2004-03-20 CN CN 200420008877 patent/CN2689306Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465981C (en) * | 2007-04-29 | 2009-03-04 | 西南石油大学 | U-disc virus prevention interface |
| CN103678227A (en) * | 2012-09-26 | 2014-03-26 | 炬力集成电路设计有限公司 | Sharing USB interface circuit and method for USB function and network function |
| CN106096459A (en) * | 2016-08-19 | 2016-11-09 | 黄广明 | A kind of safety device for computer network |
| CN106528477A (en) * | 2016-12-05 | 2017-03-22 | 陈丹丹 | USB external structure designing method, antivirus dedicated computer |
| CN106529351A (en) * | 2016-12-05 | 2017-03-22 | 陈丹丹 | USB external structure designing method, computer and secure network system with virus defense capability |
| CN106778383A (en) * | 2016-12-05 | 2017-05-31 | 陈丹丹 | A kind of USB suspensions structure, computer security network |
| CN106778384A (en) * | 2016-12-05 | 2017-05-31 | 陈丹丹 | A kind of USB suspensions structure, computer |
| CN106778383B (en) * | 2016-12-05 | 2024-01-12 | 中技安全科技有限公司 | USB network disconnection structure and computer security network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |