CN109961127A - A kind of multimode multi partition USB flash disk - Google Patents
A kind of multimode multi partition USB flash disk Download PDFInfo
- Publication number
- CN109961127A CN109961127A CN201910375921.9A CN201910375921A CN109961127A CN 109961127 A CN109961127 A CN 109961127A CN 201910375921 A CN201910375921 A CN 201910375921A CN 109961127 A CN109961127 A CN 109961127A
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- Prior art keywords
- control chip
- memory device
- flash memory
- chip
- area
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
- G06K19/07732—Physical layout of the record carrier the record carrier having a housing or construction similar to well-known portable memory devices, such as SD cards, USB or memory sticks
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stored Programmes (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
The invention discloses a kind of multimode multi partitions to combine USB flash disk, 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 present invention 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.
Summary of the invention
The invention proposes a kind of multimode multi partition USB flash disk, solving existing USB flash disk only has a memory space, is easy
The problem of causing corrupted data or losing, convenient for carrying out system reducing or maintenance to host.
The technological means that the present invention 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 of the present invention has the advantages that the USB flash disk has
Multiple subregions, and the content of the storage in each subregion and storage state are different, facilitate user to host carry out system reducing,
Application program installation and the storage of general data, meanwhile, it can be to avoid the damage or loss of operating system or application program.
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 invention；
Fig. 2 is second of form of the structure chart of multimode multi partition USB flash disk disclosed by the invention；
Fig. 3 is the third form of the structure chart of multimode multi partition USB flash disk disclosed by the invention.
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 invention, 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 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；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；The free writable area 4 includes the 4th control chip 40 and third computer flash memory device 41, the 4th control chip
40 connect with third computer flash memory device 41；It further include universal serial bus concentrator chip 5, the universal serial bus collection
Line device chip 5 controls chip 20, third control chip 30 and the 4th control core with the first control chip 10, second respectively
Piece 40 connects.
Specifically, in multimode multi partition USB flash disk disclosed by the invention, (i.e. the first computer flash memory in read-only system area 2
Equipment) be stored with operating system (LINUX operating system or other operating systems) can be used for host carry out system 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 hair
In bright disclosed USB flash disk, since USB flash disk has multiple computer flash memory devices, the storage state of each computer flash memory device is (read-only
Can only be read out in system area, servicing area, test section and free writable area can be written and read) and the type of storing data it is equal
Difference, so that the USB flash disk is easy to use to carry out system reducing or maintenance to host, meanwhile, the storage and journey of data can be carried out
The installation of sequence, 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 invention, and in this embodiment, which includes
Servicing area 1, read-only system area 2 and test section 3, servicing area 1 include the first control chip 10, are set on the first control chip 10
There is 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
Equipment (NAND) 21, the second control chip 20 are connect with the first computer flash memory device 21, and the test section 3 includes third
Chip 30 and second computer flash memory device 31 are controlled, the third control chip 30 and second computer flash memory device 31 connect
It connects, 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, be equipped in test section
Application program 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 system
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 invention, and in this embodiment, which includes
Servicing area 1 and read-only system area 2, servicing area 1 include the first control chip 10, and the first control chip 10 connects equipped with TF
Mouthful, 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 foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
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 |
|---|---|---|---|
| CN201910375921.9A CN109961127A (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 |
|---|---|---|---|
| CN201910375921.9A CN109961127A (en) | 2019-05-07 | 2019-05-07 | A kind of multimode multi partition USB flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109961127A true CN109961127A (en) | 2019-07-02 |
Family
ID=67027023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910375921.9A Pending CN109961127A (en) | 2019-05-07 | 2019-05-07 | A kind of multimode multi partition USB flash disk |
Country Status (1)
| Country | Link |
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| CN (1) | CN109961127A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877127U (en) * | 2010-12-14 | 2011-06-22 | 曹建国 | USB (Universal Serial Bus) flash disk capable of preventing important data from being lost |
| CN103050145A (en) * | 2013-01-17 | 2013-04-17 | 陈华 | Capacity-expandable memory |
| CN103456345A (en) * | 2013-09-07 | 2013-12-18 | 富杰 | Universal serial bus (USB) flash disk |
| CN106934258A (en) * | 2015-12-31 | 2017-07-07 | 北京兆易创新科技股份有限公司 | A kind of embedded system |
| CN209560583U (en) * | 2019-05-07 | 2019-10-29 | 大连海事大学 | A kind of multimode multi partition USB flash disk |
-
2019
- 2019-05-07 CN CN201910375921.9A patent/CN109961127A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877127U (en) * | 2010-12-14 | 2011-06-22 | 曹建国 | USB (Universal Serial Bus) flash disk capable of preventing important data from being lost |
| CN103050145A (en) * | 2013-01-17 | 2013-04-17 | 陈华 | Capacity-expandable memory |
| CN103456345A (en) * | 2013-09-07 | 2013-12-18 | 富杰 | Universal serial bus (USB) flash disk |
| CN106934258A (en) * | 2015-12-31 | 2017-07-07 | 北京兆易创新科技股份有限公司 | A kind of embedded system |
| CN209560583U (en) * | 2019-05-07 | 2019-10-29 | 大连海事大学 | A kind of multimode multi partition USB flash disk |
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