CN203433827U

CN203433827U - Double-storage and double-interface USB (Universal Serial Bus) flash disk

Info

Publication number: CN203433827U
Application number: CN201320591919.3U
Authority: CN
Inventors: 李精明; 赵成豹
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University
Priority date: 2013-09-25
Filing date: 2013-09-25
Publication date: 2014-02-12
Anticipated expiration: 2023-09-25

Abstract

The utility model discloses a double-storage and double-interface USB (Universal Serial Bus) flash disk. The double-storage and double-interface USB flash disk comprises a first interface module, a second interface module, a first encoding/decoding module, a second encoding/decoding module, a first storage module and a second storage module, wherein the first encoding/decoding module is electrically connected with the first interface module; the second encoding/decoding module is electrically connected with the second interface module; the first storage module is electrically connected with the first encoding/decoding module; the second storage module is electrically connected with the second encoding/decoding module; the first storage module and the second storage module are electrically connected and are backups for each other; any one of the first storage module and the second storage module is used for carrying out data storage or data deleting; the other one of the first storage module and the second storage module is used for storing or deleting the same data. According to the double-storage and double-interface USB flash disk, the first storage module and the second storage module, which are the backups for each other, are adopted; backup functions are integrated in one USB flash disk by using the double-storage and double-interface USB flash disk so that the double-storage and double-interface USB flash disk is convenient and reliable to use.

Description

Two storage double-interface U disks

Technical field

The utility model relates to a kind of memory device, is specifically related to a kind of two storage double-interface U disk.

Background technology

At present, the USB flash disk that prior art is used only includes conventionally: storage inside module, one be corresponding USB interface with it, with and shell.USB flash disk connects computer equipment by USB interface, realizes the data communication between storage inside module and computer equipment.Yet its shortcoming is, in use may there is the phenomenon that interface damages or memory block is damaged in USB flash disk, cause significant data to read, so people are when using conventional USB flash disk, such as will going speech or attending class, can, file backup in two USB flash disks, use very inconvenient.

Utility model content

The utility model provides a kind of two storage double-interface U disk, realizes and in same USB flash disk, stores two parts of mutually redundant data, avoids USB flash disk to damage the problem that causes data to run off, simultaneously easy to carry.

For achieving the above object, the utility model provides a kind of two storage double-interface U disk, is characterized in, this USB flash disk comprises:

First interface module, USB flash disk is connected with external equipment communication by first interface module;

The second interface module, USB flash disk is connected with external equipment communication by the second interface module;

The first coding/decoding module, it is connected with first interface modular circuit;

The second coding/decoding module, it is connected with the second interface module circuit;

The first memory module, it is connected with the first coding/decoding module circuit;

The second memory module, it is connected with the second coding/decoding module circuit;

Feed circuit, it is circuit connection first interface module, the second interface module, the first coding/decoding module, the second coding/decoding module, the first memory module and the second memory module respectively;

Between above-mentioned the first memory module and the second memory module, circuit is connected; This first memory module and the second memory module backup each other;

Any one in above-mentioned the first memory module and the second memory module carried out the storage of data, and these data can be stored in another in the first memory module and the second memory module simultaneously;

Any one in above-mentioned the first memory module and the second memory module deleted interior data, and another in the first memory module and the second memory module deleted the identical data of its storage inside.

Above-mentioned feed circuit input end respectively circuit connects first interface module, the second interface module, and output terminal respectively circuit connects upper the first coding/decoding module, the second coding/decoding module, the first memory module and the second memory module;

Above-mentioned feed circuit can be connected external equipment with any one circuit in the second interface module by first interface module, and external equipment is powered to the first coding/decoding module, the second coding/decoding module, the first memory module and the second memory module respectively by these feed circuit.

This USB flash disk also comprises shell, and above-mentioned first interface module, the second interface module, the first coding/decoding module, the second coding/decoding module, the first memory module and the second memory module are fixedly installed on respectively in this shell.

The outside that the port of above-mentioned first interface module and the second interface module stretches out respectively shell.

Above-mentioned first interface module is arranged at respectively with the port of the second interface module the two ends that shell is relative.

This USB flash disk also comprises control module, its respectively circuit connect the first memory module and the second memory module, control that the first memory module and the second memory module back up mutually or jointly delete.

When two storage double-interface U disks are stored or delete data toward USB flash disk by first interface module or the second interface module, all will automatically toward the first memory module and the second memory module, store or delete data simultaneously, the first memory module and the second memory module backup each other.

The USB flash disk of the utility model two storage double-interface U disk and prior art is compared, its advantage is, the utility model is by adopting two mutually redundant the first memory modules and the second memory module, when realizing toward USB flash disk storage or deleting data, all will be automatically simultaneously toward the first memory module and the storage of the second memory module or deletion data, use two storage double-interface U disks backup functionality to be integrated in a USB flash disk, convenient and reliable use.

Accompanying drawing explanation

Fig. 1 is the circuit block diagram of the two storage of the utility model double-interface U disk.

Embodiment

Below in conjunction with accompanying drawing, further illustrate specific embodiment of the utility model.

As shown in Figure 1, the utility model discloses a kind of two storage double-interface U disk, this USB flash disk comprises: first interface module 1, the second interface module 2, the first coding/decoding module 3, the second coding/decoding module 4, the first memory module 5, the second memory module 6, feed circuit, and control module 7.

First interface module 1 can adopt usb circuit, and USB flash disk passes through this first interface module 1 and external equipment, equipment such as computing machine, flat board, and communication connects.

The second interface module 2 can adopt usb circuit, and USB flash disk passes through this second interface module 2 and external equipment, equipment such as computing machine, flat board, and communication connects.

It is BMW5 chip that the first coding/decoding module 3 adopts model, also can select other can realize the chip of this function, it is connected with first interface module 1 circuit, for data that first interface module 1 is received from external equipment or by the data that USB flash disk inside will export external equipment to, carries out coding-decoding operation.

It is BMW5 chip that the second coding/decoding module 4 adopts models, and it is connected with the second interface module 2 circuit, for the second interface module 2 is carried out to coding-decoding operation from the data of external equipment reception or by the data that USB flash disk inside will export external equipment to.

The first memory module 5 can adopt EN25F80 storage chip, also can select other can realize the chip of this function, it is connected with the first coding/decoding module 3 circuit, and the data that received by first interface module 1 are carried out coding-decoding operation by the first coding/decoding module 3 and are stored in the first memory module 5; The data of the first memory module 5 outputs are undertaken by first interface module 1, exporting external equipment to after coding-decoding operation by the first coding/decoding module 3.

The second memory module 6 can adopt EN25F80 storage chip, also can select other can realize the chip of this function, it is connected with the second coding/decoding module 4 circuit, and the data that received by the second interface module 2 are carried out coding-decoding operation by the second coding/decoding module 4 and are stored in the second memory module 6; The data of the second memory module 6 outputs are undertaken by the second interface module 2, exporting external equipment to after coding-decoding operation by the second coding/decoding module 4.

Between the first memory module 5 and the second memory module 6, circuit is connected; This first memory module 5 and the second memory module 6 backup each other.

Control module 7 can adopt S3C2410 chip, and circuit connects the first memory module 5 and the second memory module 6 respectively, for realizing, controls mutually redundant function between the first memory module 5 and the second memory module 6.

Any one in the first memory module 5 and the second memory module 6 carried out the storage of data, and these data can be stored in another in the first memory module 5 and the second memory module 6 simultaneously.

Any one in the first memory module 5 and the second memory module 6 deleted interior data, and another in the first memory module 5 and the second memory module 6 deleted the identical data of its storage inside.

Feed circuit input end respectively circuit connects first interface module 1, the second interface module 2, and output terminal respectively circuit connects the first coding/decoding module 3, the second coding/decoding module 4, the first memory module 5, the second memory module 6 and control module 7.

Feed circuit can be connected external equipment with any one circuit in the second interface module 2 by first interface module 1, and external equipment is powered to the first coding/decoding module 3, the second coding/decoding module 4, the first memory module 5, the second memory module 6 and control module 7 respectively by these feed circuit.

USB flash disk also comprises shell, and first interface module 1, the second interface module 2, the first coding/decoding module 3, the second coding/decoding module 4, the first memory module 5 and the second memory module 6 are fixedly installed on respectively in this shell.

The port of first interface module 1 and the second interface module 2 stretches out in respectively the outside of shell, for being connected with external equipment, in the present embodiment, can adopt USB port.

First interface module 1 is arranged at respectively with the port of the second interface module 2 two ends that shell is relative, and 2 of first interface module 1 and the second interface modules can not be interfered with each other.

Data be stored or be deleted to the disclosed USB flash disk of the utility model when being stored or deleting data toward USB flash disk by first interface module 1 or the second interface module 2, all will toward the first memory module 5 and the second memory module 6 automatically simultaneously.The first memory module 5 and the second memory module 6 backup each other, and backup functionality are integrated in a USB flash disk to convenient and reliable use.

Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims

1. two storage double-interface U disks, is characterized in that, this USB flash disk comprises:

First interface module (1), USB flash disk is connected with external equipment communication by first interface module (1);

The second interface module (2), USB flash disk is connected with external equipment communication by the second interface module (2);

The first coding/decoding module (3), it is connected with described first interface module (1) circuit;

The second coding/decoding module (4), it is connected with described the second interface module (2) circuit;

The first memory module (5), it is connected with described the first coding/decoding module (3) circuit;

The second memory module (6), it is connected with described the second coding/decoding module (4) circuit;

Feed circuit, it is described first interface module (1), the second interface module (2), the first coding/decoding module (3), the second coding/decoding module (4), the first memory module (5) and the second memory module (6) of circuit connection respectively;

Between described the first memory module (5) and the second memory module (6), circuit is connected; This first memory module (5) backups each other with the second memory module (6);

Any one in described the first memory module (5) and the second memory module (6) carried out the storage of data, and these data can be stored in another in the first memory module (5) and the second memory module (6) simultaneously;

Any one in described the first memory module (5) and the second memory module (6) deleted interior data, and another in the first memory module (5) and the second memory module (6) deleted the identical data of its storage inside.

2. store double-interface U disk for as claimed in claim 1 pair, it is characterized in that, described feed circuit input end respectively circuit connects described first interface module (1), the second interface module (2), and output terminal respectively circuit connects described the first coding/decoding module (3), the second coding/decoding module (4), the first memory module (5) and the second memory module (6);

Described feed circuit can be connected external equipment with any one circuit in the second interface module (2) by first interface module (1), and external equipment is powered to described the first coding/decoding module (3), the second coding/decoding module (4), the first memory module (5) and the second memory module (6) respectively by these feed circuit.

3. store double-interface U disk for as claimed in claim 1 pair, it is characterized in that, this USB flash disk also comprises shell, and described first interface module (1), the second interface module (2), the first coding/decoding module (3), the second coding/decoding module (4), the first memory module (5) and the second memory module (6) are fixedly installed on respectively in this shell.

4. two storage double-interface U disk as claimed in claim 3, is characterized in that the outside that the port of described first interface module (1) and the second interface module (2) stretches out respectively described shell.

5. the two storage double-interface U disks as described in claim 3 or 4, is characterized in that, described first interface module (1) is arranged at respectively with the port of the second interface module (2) two ends that described shell is relative.

6. store double-interface U disk for as claimed in claim 1 pair, it is characterized in that, this USB flash disk also comprises control module (7), its respectively circuit connect described the first memory module (5) and the second memory module (6), control that the first memory module (5) and the second memory module (6) back up mutually or deletion jointly.