CN204990317U - Computer information safety device - Google Patents
Computer information safety device Download PDFInfo
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- CN204990317U CN204990317U CN201520782164.4U CN201520782164U CN204990317U CN 204990317 U CN204990317 U CN 204990317U CN 201520782164 U CN201520782164 U CN 201520782164U CN 204990317 U CN204990317 U CN 204990317U
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- hard disk
- over switch
- computing machine
- change
- data
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Abstract
The utility model discloses a computer information safety device, a computer information safety device, including first hard disk and second hard disk, first hard disk is connected with the computer for carry out the conveying of data with the computer, the second hard disk is connected with the computer through hard disk change over switch for, network card change over switch carries out the conveying of data with the computer when breaking off, first hard disk is connected through normally open contact with the second hard disk for carry out the backup of data between first hard disk and the second hard disk when normally open contact is closed, the utility model discloses an above -mentioned technical scheme's beneficial effect as follows: convenient to use through using two hard disks, when first hard disk uses, allows the access network, when the second hard disk uses, and must be at the state of disconnected net to accomplish data backup in the first hard disk to second hard disk through normally open contact is closed, thereby guarantee the second hard disk and do not invaded by the internet worm that the hard disk data are not damaged.
Description
Technical field
The utility model relates to data transferring technique field, refers to a kind of computer information safe device especially.
Background technology
At present, Computer Data Security is a problem widely paid close attention to by user.For computer user, loss of data, data stolen by hacker and computing machine by virus attack, be the common form of threat data safety.In order to protection calculation machine data safety, prevent personal computer leakage of information, people have employed a lot of software approach and are attacked by internet worm to prevent computing machine, in case model incipient fault for data security.
But common anti-virus software, can only be used for anti-known viruse, then helpless to emerging virus; Therefore, when the computer internet of user, very difficult guarantee is not invaded by internet worm, and computer hard disk data will be caused thus damaged.
Chinese patent discloses an application number: 201220681281.8, Authorization Notice No. is: CN202929633U, name is called: the utility model patent of computer data information safety feature, 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, network interface card change-over switch connects the network interface card of computing machine, the hard disk controlling signal output part of relay drive circuit connects the control signal input end of hard disk change-over switch, and hard disk change-over switch connects the hard disk of computing machine.The utility model is applicable to the security protection of computer data.But in reality, when computing machine uses, hard disk uses under often needing the state be connected with network.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of computer information safe device, and by using being used alternatingly of two hard disks, avoid hard disk to be invaded by internet worm, hard disc data is damaged.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of computer information safe device, comprise computing machine, 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 network interface card change-over switch connects computing machine; The hard disk controlling signal output part of relay drive circuit connects the control signal input end of hard disk change-over switch, and hard disk change-over switch connects computing machine, also comprises the first hard disk and the second hard disk,
Described first hard disk is connected with computing machine, for carrying out the transmission of data with computing machine;
Described second hard disk is connected with computing machine by hard disk change-over switch, for when network interface card change-over switch disconnects and computing machine carry out the transmission of data;
Described first hard disk is connected by relay normally open contact with the second hard disk, for carrying out the backup of data between the first hard disk and the second hard disk when relay normally open contact closes;
Described relay drive circuit is connected with relay normally open contact, and for when network interface card change-over switch disconnects, relay drive circuit pilot relay normally opened contact closes.
The beneficial effect of technique scheme of the present utility model is as follows: structure is simple, technology is reasonable, easy to use, by using two hard disks, when the first hard disk uses, allow access network, when second hard disk uses, must in the state of suspension, and close data backup to the second hard disk in the first hard disk by relay normally open contact, thus ensureing that the second hard disk is not invaded by internet worm, hard disc data is not damaged.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of computer information safe device of the utility model embodiment.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model provides a kind of computer information safe device for existing deficiency, as shown in Figure 1, comprise computing machine 8, microprocessor 1, relay drive circuit 2, network interface card change-over switch 7 and hard disk change-over switch 6, the selection control signal output terminal of microprocessor 1 connects the selection control signal input end of relay drive circuit 2, the network interface card control signal output terminal of relay drive circuit 2 connects the control signal input end of network interface card change-over switch 7, and network interface card change-over switch 7 connects computing machine 8; The hard disk controlling signal output part of relay drive circuit 2 connects the control signal input end of hard disk change-over switch 6, and hard disk change-over switch 6 connects computing machine 8, also comprises the first hard disk 4 and the second hard disk 5,
Described first hard disk 4 is connected with computing machine 8, for carrying out the transmission of data with computing machine 8;
Described second hard disk 5 is connected with computing machine 8 by hard disk change-over switch 6, for when network interface card change-over switch 7 disconnects and computing machine 8 carry out the transmission of data;
Described first hard disk 4 is connected by relay normally open contact 3 with the second hard disk 5, for carrying out the backup of data between the first hard disk 4 and the second hard disk 5 when relay normally open contact 3 closes;
Described relay drive circuit 2 is connected with relay normally open contact 3, and for when network interface card change-over switch 7 disconnects, relay drive circuit 2 pilot relay normally opened contact 3 closes.
Principle of work of the present utility model, when computing machine 8 needs to be connected with outer net, microprocessor 1 sends to relay drive circuit 2 and selects control signal, relay drive circuit 2 sends hard disk controlling signal according to selection control signal, disconnect hard disk change-over switch 6 and namely disconnect contacting between the second hard disk 5 and computing machine 8, closed network interface card change-over switch 7, first hard disk 4 is in mating connection to outer net with computing machine 8 simultaneously; When needing data backup between the first hard disk 4 and the second hard disk 5, relay drive circuit 2 sends network interface card control signal according to selection control signal, disconnect network interface card change-over switch 7 namely cut off computer 8 with the connection of outer net, closed hard disk change-over switch 6 and relay normally open contact 3 simultaneously, thus the data interaction completed between the second hard disk 5 and computing machine 8, also can complete the data interaction between the first hard disk 4 and the second hard disk 5 and backup.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a computer information safe device, comprise computing machine, 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 network interface card change-over switch connects the network interface card of computing machine; The hard disk controlling signal output part of relay drive circuit connects the control signal input end of hard disk change-over switch, and hard disk change-over switch connects the hard disk of computing machine, it is characterized in that, also comprises the first hard disk and the second hard disk,
Described first hard disk is connected with computing machine, for carrying out the transmission of data with computing machine;
Described second hard disk is connected with computing machine by hard disk change-over switch, for when network interface card change-over switch disconnects and computing machine carry out the transmission of data;
Described first hard disk is connected by relay normally open contact with the second hard disk, for carrying out the backup of data between the first hard disk and the second hard disk when relay normally open contact closes;
Described relay drive circuit is connected with relay normally open contact, and for when network interface card change-over switch disconnects, relay drive circuit pilot relay normally opened contact closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782164.4U CN204990317U (en) | 2015-09-30 | 2015-09-30 | Computer information safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782164.4U CN204990317U (en) | 2015-09-30 | 2015-09-30 | Computer information safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204990317U true CN204990317U (en) | 2016-01-20 |
Family
ID=55124664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520782164.4U Expired - Fee Related CN204990317U (en) | 2015-09-30 | 2015-09-30 | Computer information safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204990317U (en) |
-
2015
- 2015-09-30 CN CN201520782164.4U patent/CN204990317U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |