CN209560583U - A kind of multimode multi partition USB flash disk - Google Patents
A kind of multimode multi partition USB flash disk Download PDFInfo
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- CN209560583U CN209560583U CN201920648151.6U CN201920648151U CN209560583U CN 209560583 U CN209560583 U CN 209560583U CN 201920648151 U CN201920648151 U CN 201920648151U CN 209560583 U CN209560583 U CN 209560583U
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- control chip
- memory device
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Abstract
The utility model discloses a kind of multimode multi partition USB flash disks, including servicing area, read-only system area, test section and free writable area；Servicing area includes the first control chip, and the first control chip is equipped with TF interface；Read-only system area includes the second control chip and the first computer flash memory device, and the second control chip is connect with the first computer flash memory device；Test section includes third control chip and second computer flash memory device, and third control chip is connect with second computer flash memory device；Free writable area includes the 4th control chip and third computer flash memory device, and the 4th control chip is connect with third computer flash memory device；It further include universal serial bus concentrator chip, universal serial bus concentrator chip is connect with the first control chip, the second control chip, third control chip and the 4th control chip respectively.The USB flash disk can be convenient the system reducing for carrying out host and maintenance, meanwhile, data are less likely to be damaged or lose.
Description
Technical field
The utility model relates to USB flash disks, and in particular to multimode multi partition USB flash disk.
Background technique
Universal with computer application, the mobile storage of file has expedited the emergence of the generation of USB flash disk, and USB flash disk has plug and play, just
It takes, the advantages that high capacity and transmission speed are fast.However, student not only needs the number to experiment in school computer center or laboratory
According to being replicated, while it is also often desirable to that application program is installed toward on host and/or the system of host restored or safeguarded,
For the ease of progress system reducing or maintenance, operating system is often installed in USB flash disk, and existing USB flash disk only has one point
Area, therefore in data storage or system reducing, maintenance process, it be easy to cause operating system in USB flash disk, application program or experiment number
According to damage or loss, while a subregion does not safeguard subregion, and risk is larger.The computer room of school is because also using hard disk at present
Original card, data are easy to forget copy or leaking data.Therefore, how to guarantee operating system and application program in USB flash disk it is long when
Between save, in order to carry out system reducing or maintenance to host, while everyone being facilitated to take good care of the data of oneself, facilitates application
The installation of program is current problems faced.
Utility model content
The utility model proposes a kind of multimode multi partition USB flash disk, solving existing USB flash disk only has a memory space,
The problem of be easy to causeing corrupted data or losing, convenient for carrying out system reducing or maintenance to host.
The technological means that the utility model uses is as follows:
A kind of multimode multi partition USB flash disk, including servicing area, read-only system area, test section and free writable area；The maintenance
Area includes the first control chip, and the first control chip is equipped with TF interface；The read-only system area includes the second control core
Piece and the first computer flash memory device, the second control chip are connect with the first computer flash memory device；The test section packet
Third control chip and second computer flash memory device are included, the third control chip is connect with second computer flash memory device；
The free writable area includes the 4th control chip and third computer flash memory device, and the 4th control chip and third calculate
The connection of machine flash memory device；Further include universal serial bus concentrator chip, the universal serial bus concentrator chip respectively with
The first control chip, the second control chip, third control chip and the 4th control chip connection.
Further, it is also connected with the first LED light on the first control chip, is also connected on the second control chip
There is the second LED light.
Further, it is additionally provided with the first control switch on the second control chip, is also set on the third control chip
There is the second control switch.
Further, the universal serial bus concentrator chip uses VL812 HUB QFN76.
Compared with the prior art, multimode multi partition USB flash disk described in the utility model has the advantages that the USB flash disk
With multiple subregions, and the content of the storage in each subregion and storage state are different, and user is facilitated to carry out system to host
Reduction, application program installation and general data storage, meanwhile, can to avoid operating system or application program damage or lose
It loses.
Detailed description of the invention
Fig. 1 is the first form of the structure chart of multimode multi partition USB flash disk disclosed by the utility model；
Fig. 2 is second of form of the structure chart of multimode multi partition USB flash disk disclosed by the utility model；
Fig. 3 is the third form of the structure chart of multimode multi partition USB flash disk disclosed by the utility model.
In figure: 1, servicing area, the 10, first control chip, 11, TF card, the 12, first LED light, 2, read-only system area, 20, the
Two control chips, the 21, first computer flash memory device, the 22, second LED light, the 23, second Universal USB interface, 30, test section,
31, third control chip, 31, second computer flash memory device, the 32, first control switch, the 33, first Universal USB interface, 4, from
By writable area, the 40, the 4th control chip, 41, third computer flash memory device, the 42, second control switch, 5, universal serial bus
Hub chip.
Specific embodiment
It is as shown in Figure 1 the first embodiment of multimode multi partition USB flash disk disclosed by the utility model, including servicing area 1,
Read-only system area 2, test section 3 and free writable area 4；The servicing area 1 includes the first control chip 10, the first control core
Piece 10 is equipped with TF interface, and TF interface can connect TF card；The read-only system area 2 includes the second control chip 20 and the first meter
Calculation machine flash memory device (NAND) 21, the second control chip 20 are connect with the first computer flash memory device 21；The test section 3
Chip 30 and second computer flash memory device 31 are controlled including third, the third control chip 30 is set with second computer flash memory
Standby 31 connection；The free writable area 4 includes the 4th control chip 40 and third computer flash memory device 41, the 4th control
Chip 40 is connect with third computer flash memory device 41；It further include universal serial bus concentrator chip 5, the general serial is total
Line hub chip 5 controls chip 20, third control chip 30 and the 4th control with the first control chip 10, second respectively
Coremaking piece 40 connects.
Specifically, in multimode multi partition USB flash disk disclosed by the utility model, (i.e. the first computer in read-only system area 2
Flash memory device) it is stored with operating system (LINUX operating system or other operating systems) and can be used for carrying out system to host
Reduction and maintenance, be stored in second computer flash memory device user oneself need application program to be used (such as JAVA JDK,
The application programs such as JBOSS, DOCKER), application program to be used is needed in order to use USB flash disk to install user on host, the
The storage that temporary file when the usually read-write of data and system are run can be carried out in three computer flash memory devices, when the
When one computer flash memory device (read-only system area) failure can not be restored or be safeguarded to the system of host, it can tie up
The TF card that insertion on the TF interface in area has operating system is protected, carries out the reduction or maintenance of system to host with TF card.In this reality
With in novel disclosed USB flash disk, since USB flash disk has multiple computer flash memory devices, the storage state of each computer flash memory device
(can only be read out in read-only system area, servicing area, test section and free writable area can be written and read) and storing data
Type is different, so that the USB flash disk is easy to use to carry out system reducing or maintenance to host, meanwhile, the storage of data can be carried out
And the installation of program, meanwhile, it is unlikely to the damage or loss of data.
Further, it is also connected with the first LED light 12 on the first control chip, also connects on the second control chip
It is connected to the second LED light 22.When servicing area or read-only system Qu Zhongyou reading data, LED light can be shown, be convenient for user
Understand the use state of USB flash disk.
Further, it is additionally provided with the first control switch 32 on the second control chip, is gone back on the third control chip
Equipped with the second control switch 42.Control switch can control read-only system area and test section whether with universal serial bus concentrator
Chip is attached, when the first control switch and the second control switch disconnect, read-only system area and test section and general serial
Bus hub chip disconnects, so that read-only system area and test section can not be identified on host, to avoid to read-only system
The operation that area and test section carry out mistake causes the damage or loss of data.When needing to carry out system reducing or maintenance to host
When, the first control switch can be opened, read-only system area and host are attached to carry out the reduction of system or maintenance, work as needs
When the application program of user is installed, the second control switch can be opened, test section is connect with host, in order to carry out application program
Installation.
And specifically, it is preferable to ground, read-only system area 2, test section 3 and free writable area 4 circuit structure having the same, at this
In embodiment, the second control chip, third control chip and the 4th control chip use IC1114 or PS2251-68-48 chip,
First computer flash memory device (NAND), second computer flash memory device (NAND) and third computer flash memory device (NAND) are adopted
With K9F2G08U0C chip.Universal serial bus concentrator chip uses VL812 HUB QFN76.Due to VL812 HUB
QFN76 chip carries TF interface, therefore the first control chip and universal serial bus concentrator chip can be made to be integrated knot
Structure, VL812 HUB QFN76 chip have 4 USB3.0 interfaces, can be used for controlling core with the second control chip, third respectively
Piece and the 4th control chip are attached, meanwhile, there is TF interface on the chip, TF card can be directly connected to.
Fig. 2 is second of embodiment of multimode multi partition USB flash disk disclosed by the utility model, in this embodiment, the USB flash disk
Including servicing area 1, read-only system area 2 and test section 3, servicing area 1 includes the first control chip 10, the first control chip 10
It is equipped with TF interface, TF interface can connect TF card；The read-only system area 2 includes the second control chip 20 and the first computer
Flash memory device (NAND) 21, the second control chip 20 are connect with the first computer flash memory device 21, and the test section 3 includes
Third controls chip 30 and second computer flash memory device 31, the third control chip 30 and second computer flash memory device 31
Connection, meanwhile, the first Universal USB interface 33 is also connected on third control chip.The USB flash disk of the structure is due to read-only system
Area and test section, being equipped with operating system in read-only system area can be used for system reducing or the maintenance of host, install in test section
There is application program to can be used for installing the application program that user oneself needs into host, can be inserted into TF card in servicing area, when read-only
When breaking down in system area, the TF card with operating system can be inserted into servicing area with the system reducing or dimension for host
Shield, the USB flash disk upgrade automatically applied to server due to making it possible to multiple subregions and upgrade manually, meanwhile, work as user
When needing to store other data or file, other storage U disks can be inserted into the first Universal USB interface, which has volume
Small, function-specific advantage.
Fig. 3 is the third embodiment of multimode multi partition USB flash disk disclosed by the utility model, in this embodiment, the USB flash disk
Including servicing area 1 and read-only system area 2, servicing area 1 includes the first control chip 10, and the first control chip 10 is equipped with TF
Interface, TF interface can connect TF card；The read-only system area 2 includes the second control chip 20 and the first computer flash memory device
(NAND) 21, the second control chip 20 is connect with the first computer flash memory device 21, meanwhile, it is also set on the second control chip
There is the second Universal USB interface 23.The USB flash disk of the structure is since with servicing area and read-only system area, read-only system is equipped in area
Operating system can be used for system reducing or the maintenance of host, can be inserted into TF card in servicing area, breaks down when in read-only system area
When, can be inserted into servicing area the TF card with operating system with for host system reducing or maintenance, the USB flash disk is due to having
Multiple subregions, which make it possible to, to be upgraded automatically applied to server and upgrades manually, meanwhile, when user needs to store other data
Or when file, other storage U disks can be inserted into the second Universal USB interface, the USB flash disk have it is small in size, function-specific is excellent
Point.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of multimode multi partition USB flash disk, it is characterised in that: read and write including servicing area, read-only system area, test section and freely
Area；
The servicing area includes the first control chip, and the first control chip is equipped with TF interface；
The read-only system area includes the second control chip and the first computer flash memory device, the second control chip and first
The connection of computer flash memory device；
The test section includes third control chip and second computer flash memory device, and the third control chip and second calculate
The connection of machine flash memory device；
The free writable area includes the 4th control chip and third computer flash memory device, and the described 4th controls chip and third
The connection of computer flash memory device；
It further include universal serial bus concentrator chip, the universal serial bus concentrator chip is controlled with described first respectively
Chip, the second control chip, third control chip and the 4th control chip connection.
2. multimode multi partition USB flash disk according to claim 1, it is characterised in that: be also connected on the first control chip
There is the first LED light, is also connected with the second LED light on the second control chip.
3. multimode multi partition USB flash disk according to claim 1, it is characterised in that: be additionally provided on the second control chip
First control switch, the third control and are additionally provided with the second control switch on chip.
4. multimode multi partition USB flash disk according to claim 1, it is characterised in that: the universal serial bus concentrator core
Piece uses VL812 HUB QFN76.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920648151.6U CN209560583U (en) | 2019-05-07 | 2019-05-07 | A kind of multimode multi partition USB flash disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920648151.6U CN209560583U (en) | 2019-05-07 | 2019-05-07 | A kind of multimode multi partition USB flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560583U true CN209560583U (en) | 2019-10-29 |
Family
ID=68313481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920648151.6U Expired - Fee Related CN209560583U (en) | 2019-05-07 | 2019-05-07 | A kind of multimode multi partition USB flash disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961127A (en) * | 2019-05-07 | 2019-07-02 | 大连海事大学 | A kind of multimode multi partition USB flash disk |
-
2019
- 2019-05-07 CN CN201920648151.6U patent/CN209560583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961127A (en) * | 2019-05-07 | 2019-07-02 | 大连海事大学 | A kind of multimode multi partition USB flash disk |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |