CN201837989U - Modular USB (Universal Serial Bus) flash disk - Google Patents
Modular USB (Universal Serial Bus) flash disk Download PDFInfo
- Publication number
- CN201837989U CN201837989U CN2010206046843U CN201020604684U CN201837989U CN 201837989 U CN201837989 U CN 201837989U CN 2010206046843 U CN2010206046843 U CN 2010206046843U CN 201020604684 U CN201020604684 U CN 201020604684U CN 201837989 U CN201837989 U CN 201837989U
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- data storage
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Abstract
The utility model discloses a modular USB (Universal Serial Bus) flash disk, which comprises two to five data storage units, wherein each data storage unit is provided with an independent USB connector, a USB storage control circuit, a flash memory chip and a shell, and each data storage unit is also provided with a USB hub circuit and a USB expansion slot, a trunk road of the USB hub circuit is connected with the USB connector, one branch road of the USB hub circuit is connected with the USB storage control circuit, the other branch road is connected with the USB expansion slot, and the flash memory chip is connected with the USB storage control circuit. The number of the data storage units of the USB flash disk can be freely expanded, customized and changed according to needs, private and confidential data and common data can be stored in different data storage units, and only partial data storage units are shared in data sharing, so the security of the private and confidential data is ensured.
Description
Technical field
The utility model relates to a kind of static memory, relates in particular to a kind of flash disk.
Background technology
Flash disk is a kind of movable storage device commonly used, compact volume and convenience.Traditional flash disk all is incorporate, the blockette of inconvenient data is stored and is shared, freely expanding of inconvenient data, can not customize and change flash disk according to actual needs, especially in the flash disk stored when privacy or confidential data, directly share data with the people very dangerous, at this time can only earlier privacy in the flash disk or confidential data be moved to other place, retract again in the flash disk after having shared data, very inconvenient.The patent application case of Chinese patent publication number CN201149692Y discloses a kind of safety encipher flash disk with timing function.This encryption flash disk comprises: the interface section is used for being connected with computing machine the data access of carrying out flash disk; Secure storage module is connected with the interface section, is used to store data, and passes through the access of rights of using control data; The timing processing module, be connected with described secure storage module, do not carry out the access data operation according to the secure storage module that opens and uses authority, then by setting the duration timing, the interior described secure storage module of timing arrival and timing duration does not carry out access data and operates the then rights of using of closed safe memory module.This safe and timing is encrypted flash disk, has increased timing function, can judge whether the safety encipher flash disk that opens and uses authority carries out accessing operation in setting duration, as not operation, then closes rights of using, has reached the protected data purpose of safety.The safe flash disk of this scheme; utilize control of authority regularly to attempt to reach the effect of protection privacy and confidential data; this scheme can only be at flash disk stolen or computer protected data safety when invaded; substantially do not have safety effect for the usual data of sharing; range of application is narrow; can not reach that to share data security reliable, the effect that dirigibility is high.
Summary of the invention
The purpose of this utility model is the blockette storage of the inconvenient data of the existing flash disk of solution and shares, freely expanding of inconvenient data, can not customize and change flash disk according to actual needs, especially in the flash disk stored when privacy or confidential data, directly share the very unsafe problem of data with the people, provide a kind of and can freely expand, customize and change, can only share the modularization flash disk of a part when shared.
In order to solve the problems of the technologies described above, the utility model adopts following technical proposals:
A kind of modularization flash disk, comprise two to five data storage unit, each data storage cell has independently USB joint, USB storage control circuit, flash chip and shell respectively, each data storage cell also is provided with usb hub circuit and USB expansion slot, the main line of usb hub circuit is connected with the USB joint, one of them branch road of usb hub circuit is connected with the USB storage control circuit, another branch road is connected with the USB expansion slot, and flash chip is connected with the USB storage control circuit.It is detachable that major programme of the present utility model is made modularization with flash disk, comprises two to five data storage unit, and each data storage cell is all separate, can operate each data storage cell respectively on computers.Each data storage cell is respectively arranged with independently USB joint, USB storage control circuit, flash chip and shell.In order to realize that each data storage cell can both separately control, and the arbitrary data storage unit can be carried out freely connect or split, each data storage cell is provided with usb hub circuit and USB expansion slot.The usb hub circuit structure is simple, volume is little, conveniently be arranged in the data storage cell, the main line of usb hub circuit is connected with the USB joint, can expand to a plurality of USB branch roads, only expand to two USB branch roads here, one of them connects the USB storage control circuit, another connects the USB expansion slot, and flash chip is connected with the USB storage control circuit.Each data storage cell is connected with the USB expansion slot by USB joint separately, when being inserted in the computer then, computer can identify the drive of a plurality of data storage cells respectively, each drive can independently be operated, so just can be in different drives different data storage, with privacy and confidential data and general data separate storage, when needs are shared file with others, only need to get final product for his corresponding data storage cell, avoid leaking of privacy and confidential data, ensured data security.Simultaneously, because the usb hub circuit of the standard of employing is expanded, the USB expansion slot can also connect other USB device, when needs use other USB device, USB device can be plugged in the USB expansion slot of the utility model data storage cell, need not additionally take the USB slot of computer, especially when the common flash disk swap data of needs and other, this structure is very convenient.
As a kind of preferred version, each data storage cell is respectively arranged with relay indicating light, and relay indicating light adopts the LED lamp, and relay indicating light is connected with the USB storage control circuit.In order to prevent when flash disk carries out read-write operation to disconnect flash disk, connection or to split the generation that data storage cell causes mishap such as loss of data, each data storage cell is respectively arranged with relay indicating light, advantages such as relay indicating light adopts the LED lamp, and the LED light fixture has low in energy consumption, and the life-span is long.Relay indicating light is used to indicate the duty of each data storage cell, when corresponding data storage cell carries out read-write operation, the relay indicating light flicker, during no read-write operation, relay indicating light extinguishes, a data storage unit and the relay indicating light of other data storage cell after being connected this data storage cell when all extinguishing, can split this data storage cell or, when the relay indicating light of a data storage unit extinguishes, can after this data storage cell, connect new data storage cell, when all relay indicating lights all extinguish, can disconnect flash disk from computer.
As a kind of preferred version, described data storage cell shell rectangular parallelepiped, the USB joint is arranged on the shell front end, and the USB expansion slot is arranged on the rear end of shell, is embedded the inside at shell.Flash disk of the present utility model has a plurality of data storage cells, to peg graft by USB joint and USB expansion slot between data storage cell is mutual, in order to simplify the flash disk structure, reduce the flash disk volume, the shell of data storage cell is a rectangular parallelepiped, the USB joint is arranged on the shell front end, and the USB expansion slot is arranged on the rear end of shell, is embedded the inside at shell.Such structure also makes the connection of data storage cell between mutually more safe and reliable simultaneously.
As a kind of preferred version, described modularization flash disk also is provided with a flash disk lid.In order to protect the USB joint of flash disk, flash disk also is provided with a flash disk lid, and in flash disk time spent not, the flash disk lid is enclosed within on the USB joint of first data storage cell.
As a kind of preferred version, described USB joint adopts public mouthful of the A type USB of no protective metal shell, and the USB expansion slot adopts female mouthful of A type USB.A type USB is divided into two kinds for public mouthful, there is the public mouth of A type USB of protective metal shell to be used for conventional equipment more, the public mouth of the A type USB of no protective metal shell is used for super portable equipment more, data storage cell of the present utility model is in order to reduce volume, select the public mouth of A type USB of no protective metal shell for use, this joint volume is little, is convenient for carrying and uses.USB expansion slot on the data storage cell adopts female mouthful of A type USB, and is identical with interface type on the common computer, has good compatibility, made things convenient between the arbitrary data storage unit freely to connect.
Owing to adopt technique scheme, the utlity model has following beneficial effect: flash disk has a plurality of data storage cells, each data storage cell can separately be operated, flash disk can freely expand, customizes and change the quantity of data storage cell as required, privacy and confidential data and general data can be stored in the different data storage cells, can a shared portion data storage cell when shared, guaranteed the safety of privacy and confidential data.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of data storage cell.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
A kind of modularization flash disk, its basic structure as shown in Figure 1, have three data storage unit 1, the structure of each data storage cell 1 as shown in Figure 2, each data storage cell 1 has independently USB joint 2, USB storage control circuit, flash chip and shell respectively, shell is a rectangular parallelepiped, and USB joint 2 adopts public mouthful of the A type USB of no protective metal shell, is arranged on the shell front end.Each data storage cell 1 also is provided with usb hub circuit and USB expansion slot 3, the main line of usb hub circuit is connected with USB joint 2, one of them branch road of usb hub circuit is connected with the USB storage control circuit, another branch road is connected with USB expansion slot 3, flash chip is connected with the USB storage control circuit, USB expansion slot 3 adopts female mouthful of A type USB, is arranged on the rear end of shell, is embedded the inside at shell.Each data storage cell 1 is respectively arranged with relay indicating light 4, and relay indicating light 4 adopts the LED lamp, is arranged on the upper surface of data storage cell 1 shell, and relay indicating light 4 is connected with the USB storage control circuit.Flash disk also is provided with flash disk lid, and in flash disk time spent not, the flash disk lid is enclosed within on the USB joint 2 of first data storage cell 1, and the flash disk lid does not draw in the drawings.
When using flash disk, USB joint 2 and the USB expansion slot 3 of three data storage unit 1 by separately is plugged on together, again flash disk is inserted in the USB slot of computer, computer identifies three drives, at this moment can carry out separate read-write operation to these three drives, such as privacy and confidential data are stored in first data storage cell 1, need and data storage that others shares in second and the 3rd data storage unit 1, when needs and others' shared data, after only needs wait the relay indicating light 4 of second and the 3rd data storage unit 1 to extinguish, pull up second and the 3rd data storage unit 1 from computer, give other people shared data it.At this moment, second and the 3rd data storage unit 1 are linked together, insert computer, computer can identify two drives of second and the 3rd data storage unit correspondence, can carry out separate read-write operation to these two drives.After data sharing finishes, wait relay indicating light 4 to extinguish, pull up this two data storage unit 1 from computer, it is turned back on first data storage cell 1 again.
Claims (5)
1. modularization flash disk, it is characterized in that: comprise two to five data storage unit (1), each data storage cell (1) has independently USB joint (2), USB storage control circuit, flash chip and shell respectively, each data storage cell also is provided with usb hub circuit and USB expansion slot (3), the main line of usb hub circuit is connected with USB joint (2), one of them branch road of usb hub circuit is connected with the USB storage control circuit, another branch road is connected with USB expansion slot (3), and flash chip is connected with the USB storage control circuit.
2. modularization flash disk according to claim 1 is characterized in that: each data storage cell (1) is respectively arranged with relay indicating light (4), and relay indicating light (4) adopts the LED lamp, and relay indicating light (4) is connected with the USB storage control circuit.
3. modularization flash disk according to claim 1 and 2 is characterized in that: described data storage cell (1) shell is a rectangular parallelepiped, and USB joint (2) is arranged on the shell front end, and USB expansion slot (3) is arranged on the rear end of shell, is embedded the inside at shell.
4. modularization flash disk according to claim 3 is characterized in that: described modularization flash disk also is provided with a flash disk lid.
5. modularization flash disk according to claim 4 is characterized in that: described USB joint (2) adopts public mouthful of the A type USB of no protective metal shell, and USB expansion slot (3) adopts female mouthful of A type USB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206046843U CN201837989U (en) | 2010-11-15 | 2010-11-15 | Modular USB (Universal Serial Bus) flash disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206046843U CN201837989U (en) | 2010-11-15 | 2010-11-15 | Modular USB (Universal Serial Bus) flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201837989U true CN201837989U (en) | 2011-05-18 |
Family
ID=44008091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206046843U Expired - Fee Related CN201837989U (en) | 2010-11-15 | 2010-11-15 | Modular USB (Universal Serial Bus) flash disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201837989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332292A (en) * | 2011-09-19 | 2012-01-25 | 东硕电子（昆山）有限公司 | Transmitter having U disk (universal serial bus flash disk) function and used between PCs (personal computers) |
| WO2016151343A1 (en) * | 2015-03-25 | 2016-09-29 | Илья ГЕЛАШВИЛИ | Portable, removable, handheld device for recording, playing back and storing information |
| CN107633291A (en) * | 2017-10-31 | 2018-01-26 | 佛山科学技术学院 | A kind of shared mobile USB flash disk |
-
2010
- 2010-11-15 CN CN2010206046843U patent/CN201837989U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332292A (en) * | 2011-09-19 | 2012-01-25 | 东硕电子（昆山）有限公司 | Transmitter having U disk (universal serial bus flash disk) function and used between PCs (personal computers) |
| WO2016151343A1 (en) * | 2015-03-25 | 2016-09-29 | Илья ГЕЛАШВИЛИ | Portable, removable, handheld device for recording, playing back and storing information |
| CN107633291A (en) * | 2017-10-31 | 2018-01-26 | 佛山科学技术学院 | A kind of shared mobile USB flash disk |
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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: 20110518 Termination date: 20111115 |