CN202929633U - Computer data information safety device - Google Patents
Computer data information safety device Download PDFInfo
- Publication number
- CN202929633U CN202929633U CN 201220681281 CN201220681281U CN202929633U CN 202929633 U CN202929633 U CN 202929633U CN 201220681281 CN201220681281 CN 201220681281 CN 201220681281 U CN201220681281 U CN 201220681281U CN 202929633 U CN202929633 U CN 202929633U
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- control signal
- hard disk
- computer
- over switch
- computer data
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Abstract
The utility model discloses a computer data information safety device, which belongs to the technical field of computer data safety and is used for solving the problems of network virus intrusion and hardware data damage of a computer. The computer data information safety device comprises a computer, a microprocessor, a relay driving circuit, a network card switch and a hardware switch, wherein the selection control signal output end of the microprocessor is connected with the selection control signal input end of the relay driving circuit; the network card control signal output end of the relay driving circuit is connected with the control signal input end of the network card switch; the network card switch is connected with a network card of the computer; the hard disk control signal output end of the relay driving circuit is connected with the control signal input end of the hard disk switch; the hard disk switch is connected with a hard disk of the computer. The computer data information safety device is suitable for safety protection of computer data.
Description
Technical field
The utility model relates to the computer data information safety feature, belongs to the Computer Data Security technical field.
Background technology
Computer Data Security be one by user's problems of concern widely.For the computer user, loss of data, data stolen by the hacker and computing machine by virus attack, be the common form of threat data safety.For protection calculation machine data safety, prevent the personal computer leakage of information, people have adopted a lot of software approach to prevent that computing machine from being attacked by internet worm, in case norm is according to potential safety hazard.
Yet common anti-virus software can only be used for preventing known virus, and is helpless to emerging virus; Therefore, when user's computer internet, very difficult assurance is not invaded by internet worm, will cause thus computer hard disk data damaged.
Summary of the invention
The utility model is to be invaded by internet worm in order to solve computing machine, and the impaired problem of hard disc data provides a kind of computer data information safety feature.
Computer data information safety feature described in the utility model, it comprises computing machine, it also comprises microprocessor, relay drive circuit, network interface card change-over switch and hard disk change-over switch,
The selection control signal output terminal of microprocessor connects the selection control signal input end of relay drive circuit, the network interface card control signal output terminal of relay drive circuit connects the control signal input end of network interface card change-over switch, and the network interface card change-over switch connects the network interface card of computing machine;
The hard disk control signal output terminal of relay drive circuit connects the control signal input end of hard disk change-over switch, and the hard disk change-over switch connects the hard disk of computing machine.
Described microprocessor is single-chip microcomputer.
Advantage of the present utility model: the utility model is simple in structure, and cost is low, can prevent effectively that computer hard disk data is damaged.The utility model employing microprocessor is controlled computing machine by relay drive circuit and is in upper net state or hard disk duty, efficiently solves the data security protecting problem of hard disc of computer and the safety problem of computer networking, is conducive to popularize.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Embodiment
Embodiment one: below in conjunction with Fig. 1, present embodiment is described, the described computer data information safety feature of present embodiment, it comprises computing machine 1, it also comprises microprocessor 2, relay drive circuit 3, network interface card change-over switch 4 and hard disk change-over switch 5,
The selection control signal output terminal of microprocessor 2 connects the selection control signal input end of relay drive circuit 3, the network interface card control signal output terminal of relay drive circuit 3 connects the control signal input end of network interface card change-over switch 4, and network interface card change-over switch 4 connects the network interface card of computing machine 1;
The hard disk control signal output terminal of relay drive circuit 3 connects the control signal input end of hard disk change-over switch 5, and hard disk change-over switch 5 connects the hard disk of computing machine 1.
The course of work: when computing machine 1 will carry out the hard disk working method, send the hard disk work order by microprocessor 2, at this moment, network interface card change-over switch 4 disconnects, and computing machine 1 network interface card is disconnected, hard disk change-over switch 5 closures, secret hard disk work; When computing machine 1 will carry out the On-line work pattern, send the On-line work instruction by microprocessor 2, at this moment, and network interface card change-over switch 4 closures, computing machine 1 hard disk is disconnected, and secret hard disk is not worked.
Embodiment two: below in conjunction with Fig. 1, present embodiment is described, present embodiment further illustrates embodiment one, and described microprocessor 2 is single-chip microcomputer.
Claims (2)
1. computer data information safety feature, it comprises computing machine (1), it is characterized in that, it also comprises microprocessor (2), relay drive circuit (3), network interface card change-over switch (4) and hard disk change-over switch (5),
The selection control signal output terminal of microprocessor (2) connects the selection control signal input end of relay drive circuit (3), the network interface card control signal output terminal of relay drive circuit (3) connects the control signal input end of network interface card change-over switch (4), and network interface card change-over switch (4) connects the network interface card of computing machine (1);
The hard disk control signal output terminal of relay drive circuit (3) connects the control signal input end of hard disk change-over switch (5), and hard disk change-over switch (5) connects the hard disk of computing machine (1).
2. computer data information safety feature according to claim 1, is characterized in that, described microprocessor (2) is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681281 CN202929633U (en) | 2012-12-12 | 2012-12-12 | Computer data information safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681281 CN202929633U (en) | 2012-12-12 | 2012-12-12 | Computer data information safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202929633U true CN202929633U (en) | 2013-05-08 |
Family
ID=48219572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220681281 Expired - Fee Related CN202929633U (en) | 2012-12-12 | 2012-12-12 | Computer data information safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202929633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336931A (en) * | 2013-06-28 | 2013-10-02 | 宁夏新航信息科技有限公司 | Computer-networking information-safety application system |
-
2012
- 2012-12-12 CN CN 201220681281 patent/CN202929633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336931A (en) * | 2013-06-28 | 2013-10-02 | 宁夏新航信息科技有限公司 | Computer-networking information-safety application system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131212 |