CN201477576U

CN201477576U - Rapid automatic backup device of notebook computer

Info

Publication number: CN201477576U
Application number: CN 200920192869
Authority: CN
Inventors: 任达千; 陈锡爱; 宋夫华; 季力
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-05-19
Anticipated expiration: 2019-08-31

Abstract

The utility model discloses a rapid automatic backup device of a notebook computer, An embedded-type CPU is connected with one end of a hard disk interface, a wireless local area network interface and an USB interface respectively; and the other end of the hard disk interface is connected with a hard disk. The rapid automatic backup device improves the backup mode of the portable hard disk; achieves the automatic, repaid and safe data backup by means of the incremental backup; reduces the user's interference; and facilities the rapid data recovery of the hard disk to reduce the user's loss when the notebook computer is lost or the hard disk is damaged. The notebook computer is preset with the disk filtration driver program to allow the number of the altered sector to be recorded in the sector alter table. The backup management program inquires whether the rapid automatic backup device exists and rapidly backs up the hard disk data. The backup device is stored with a bootable DOS operating system and a program for automatic hard disk recovery, and can rapidly recover the hard disk data of the notebook computer.

Description

The fast automatic back-up device of notebook computer

Technical field

The utility model relates to Computer Memory Unit, especially relates to the fast automatic back-up device of a kind of notebook computer.

Background technology

Along with the maturation of computer technology, notebook computer is more and more universal, and many white collars are carried notebook computer.The data of notebook computer storage particularly concern customer data, research and development data, sensitive data, because machine breakdown, notebook computer is lost and bring tremendous loss.The loss that has notebook computer of report to lose to cause to company is on average about 50,000 dollars.Notebook computer is for weight reduction, and structure own is light and handy, again because of often moving, so the hard disk of notebook computer also damages easily.The data backup technology can significantly reduce because of notebook computer loses the loss that causes with hard disk corruptions.At present, Chang Yong backup method has following several:

1) backs up between the different fdisks of this machine.Can realize automated back-up by some softwares, but the loss of data under the situation that hard disk corruptions or machine are lost of this method.

2) portable hard drive backup.Using this method Backup Data needs daily servicing, more time-consuming for the user and uninteresting, therefore forgets easily.If the backup of DISK to Image will expend the long time.Hard disk with the 320G byte is an example, presses per second 15M byte and calculates, and the backup of DISK to Image needs 5.9 hours.

3) network storage backup (email, FTP etc.); The problem that this method exists is that network storage space is limited, and network transmission speed is compared low than hard disk transfer rate, have potential safety hazard.

Summary of the invention

The purpose of this utility model is to provide a kind of notebook computer fast automatic back-up device, is the improvement to portable hard drive backup, realizes automatic, quick, safe data backup in the mode of incremental backup, does not need manual operations.Lose or during hard disk corruptions, the utility model can fast quick-recovery hard disc data when notebook computer is unfortunate.

The technical solution adopted in the utility model is:

The utility model comprises embedded type CPU, hard-disk interface, hard disk, wireless lan interfaces and a USB interface; Embedded type CPU links to each other with an end, wireless lan interfaces and the USB interface of hard-disk interface respectively, and the other end of hard-disk interface links to each other with hard disk.

The model of described embedded type CPU is ARM9 chip S3C2410, and a part of bus is drawn, and promptly forms hard-disk interface, and the pin of the USB interface of S3C2410 inside is drawn, and forms USB interface.

Described hard disk is selected the ide interface hard disk for use.

The MAC layer of described wireless lan interfaces and transport layer chip model are respectively RT2571W and RT2528.

The utility model is compared with background technology, and the beneficial effect that has is:

The utility model is the improvement to the portable hard drive backup mode, mode with incremental backup realizes automatic, quick, safe data backup, person's capable of reducing using intervention, and notebook computer is lost or during hard disk corruptions, help fast quick-recovery hard disc data, reduce user's loss.The disk filter drive program is set on notebook computer, the sector number of revising the sector is recorded in the sector modification table.The back-up device whether the backup management program looks exists the utility model to describe, and quick backup disk data.Back-up device is deposited a bootable dos operating system and a software that recovers hard disk automatically, the hard disc data of quick-recovery notebook computer soon.

Description of drawings

Fig. 1 is the back-up device hardware block diagram.

Fig. 2 is the ide interface schematic diagram.

Fig. 3 is the USB interface schematic diagram.

Fig. 4 is the disk driver illustraton of model.

Fig. 5 is a sector modification table using method synoptic diagram.

Fig. 6 backs up process flow diagram fast.

Among the figure: 1, embedded type CPU, 2, hard-disk interface, 3, hard disk, 4, the wireless network lan interfaces, 5, USB interface, 6, the disk filter drive program, 7, the sector revises table.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As shown in Figure 1, the utility model comprises an embedded type CPU 1, hard-disk interface 2, hard disk 3, wireless lan interfaces 4 and USB interface 5; Embedded type CPU 1 links to each other with an end, wireless lan interfaces 4 and the USB interface 5 of hard-disk interface 2 respectively, and the other end of hard-disk interface 2 links to each other with hard disk 3.

As shown in Figure 1, the fast automatic back-up device of the disclosed notebook computer of the utility model is the portable hard drive of a special use, and a built-in embedded type CPU 1 links to each other with a hard disk 3 by hard-disk interface 2, and hard-disk interface is selected ide interface for use.Automatic backup device has wireless network lan interfaces 4 and USB interface 5, can pass through this two interfaces and notebook computer swap data.Hard disk 3 has two subregions, and wherein a bootable dos operating system and a software that recovers hard disk are automatically deposited as the boot disk of notebook computer in a subregion (about 128M) format back.Another subregion then is used to back up the hard disk of notebook computer.Therefore, automatic backup device can be used as a boot disk of notebook computer, USB interface 5 is inserted notebook computer can start a dos operating system.

The model of embedded type CPU 1 is ARM9 chip S3C2410, and a part of bus is drawn, and promptly forms hard-disk interface 2, as shown in Figure 2.Hard disk 3 can be selected common ide interface hard disk for use.The MAC layer of wireless lan interfaces 4 and transport layer chip model are respectively RT2571W and RT2528.S3C2410 inside has a USB Peripheral Interface, as shown in Figure 3, only corresponding pin need be drawn and promptly can be used as USB interface 5.

On PC, operating system is preserved various data with the form of file.Hard disk is the important medium of storage file, and the reading and writing of file on the hard disk finally are converted into reading and writing to disk sector.As shown in Figure 4, application program need be called file drivers, and file drivers is called the reading and writing that disk driver is realized disk.In order to improve the efficient of backup, and can develop a disk filter drive program 6, in Fig. 4, draw with the two-wire frame with keeping better synchronously between the disk of notebook computer and the backup.Disk filter drive program 6 can be tackled the communication between file drivers and the disk driver between file drivers and disk driver.

Disk filter drive program 6 is found out a bigger idle disk block, the space of revising table 7 as memory sector in disk when using for the first time.When writing disk at every turn, the disk sector that the disk filter drive program is modified record number, and this sector number deposited in the sector modification table.As Fig. 5, the 1001st and No. 1002 the sector is modified, and then increases by 1001,1002 these two in the sector modification table.

The backup management program is moved on notebook computer, except manual backup and manual recovery that common backup software all has, also has automatic backup function.When using back-up device for the first time, it is full backup that the data of whole magnetic disk are all write back-up device, produces the mirror image of a notes computer hard disc on back-up device.After mirror image forms, then adopt the incremental backup mode, promptly only back up the sector of having revised.The backup management program is sought the back-up device that whether exists the utility model to describe with each USB interface at regular intervals in WLAN (wireless local area network).As have an automatic backup device, then, upgrade the corresponding disk sector in the automatic backup device, and corresponding list item is revised in the table 7 in the sector leave out, as shown in Figure 6 according to reading sector modification table.After renewal is finished, adopt several different methods detect disk in data in magnetic disk in the automatic backup device and the notebook computer whether strict synchronously.If any asynchrony phenomenon, with the data in the back-up device that upgrades in time.

The described fast automatic back-up device of the utility model when the hard disk of backup notebook computer, mainly contains three steps:

1) revised hard disk sector by disk filter drive program 6 records;

2) backup management program looks automatic backup device;

3), realize backup fast by WLAN (wireless local area network) or USB interface Data transmission.

Quick rejuvenation mainly contains three steps:

1) when notebook computer starts, in USB interface, finds automatic backup device.

2) automatic backup device is started dos operating system as boot disk;

3) recover software automatically all the data quick copy on the back-up device are arrived notebook computer.

The automatic backup device that the utility model is described can be placed on a fixed location, family or office such as the notebook computer user, when the supervisory routine on the notebook computer monitors same WLAN (wireless local area network) when having back-up device to exist, the data of having revised on the disk are write on the back-up device fast.When not having WLAN (wireless local area network),, can write data on the back-up device equally as long as the USB interface of back-up device is inserted on the notebook computer.The automatic backup device that the utility model is described is not limited to specific operation system and specific file system.

Claims

1. the fast automatic back-up device of notebook computer is characterized in that: comprise an embedded type CPU (1), hard-disk interface (2), hard disk (3), wireless lan interfaces (4) and USB interface (5); Embedded type CPU (1) links to each other with an end, wireless lan interfaces (4) and the USB interface (5) of hard-disk interface (2) respectively, and the other end of hard-disk interface (2) links to each other with hard disk (3).

2. the fast automatic back-up device of a kind of notebook computer according to claim 1, it is characterized in that: the model of described embedded type CPU (1) is ARM9 chip S3C2410, a part of bus is drawn, promptly form hard-disk interface (2), the pin of the USB interface of S3C2410 inside is drawn, form USB interface (5).

3. the fast automatic back-up device of a kind of notebook computer according to claim 1 is characterized in that: described hard disk (3) is selected the ide interface hard disk for use.

4. the fast automatic back-up device of a kind of notebook computer according to claim 1 is characterized in that: the MAC layer of described wireless lan interfaces (4) and transport layer chip model are respectively RT2571W and RT2528.