CN207424903U - It is a kind of can active data remove USB flash disk - Google Patents
It is a kind of can active data remove USB flash disk Download PDFInfo
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- CN207424903U CN207424903U CN201721567308.XU CN201721567308U CN207424903U CN 207424903 U CN207424903 U CN 207424903U CN 201721567308 U CN201721567308 U CN 201721567308U CN 207424903 U CN207424903 U CN 207424903U
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- flash disk
- usb flash
- power supply
- storage unit
- switch
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Abstract
The utility model discloses it is a kind of can active data remove USB flash disk, including shell and movement, the movement includes：For the USB interface being connected with external equipment, it is connected with the USB interface, the storage unit for data storage；A control chip is also associated between the USB interface and storage unit and for the power supply for the control chip and storage unit power supply；Control switch is provided between the power supply and control chip, after the control switch is closed, the control chip carries out expendable data dump to the storage unit.The utility model is provided with a control chip in movement; it can be by pressing the switch key of USB flash disk one end; start the control chip and expendable data dump is carried out to storage unit; so that USB flash disk by external equipment without that can carry out data-cleaning operation; and it is irrecoverable, provide a kind of safeguard protection for the storage data of user.
Description
Technical field
The utility model is related to storage device field more particularly to it is a kind of can active data remove USB flash disk.
Background technology
USB flash disk, full name USB flash drives.For a kind of miniature Gao Rong without phisical drive using USB interfaces
The mobile storage product of amount, is connected with external equipment by USB interfaces, realizes plug and play；U disks have many good qualities：It is compact just
In carry, memory capacity is big, cheap, dependable performance.
With the continuous development of computer technology, the mode of data transmission is also more and more, this has also triggered data safety
The problem of being Deng one, USB flash disk is very convenient as one kind, can largely preserve the digital storage product of data, be widely used, but
It is existing USB flash disk storage data, it is weaker to the secure fashion of data, it is easily stolen by others, if significant data is once
It divulges a secret, can cause an immeasurable loss.
Therefore, the prior art could be improved and improve.
Utility model content
Part in view of above-mentioned deficiencies of the prior art, can active data removing the purpose of this utility model is to provide one kind
USB flash disk, it is intended to make USB flash disk that need not connect external equipment, you can active carries out expendable data dump behaviour to storage data
Make.
In order to achieve the above object, the utility model takes following technical scheme：
It is a kind of can active data remove USB flash disk, including shell and movement, the movement includes：
For the USB interface being connected with external equipment, it is connected with the USB interface, the storage unit for data storage；
Be also associated between the USB interface and storage unit a control chip and for for it is described control chip and
The power supply of storage unit power supply；
Control switch is provided between the power supply and control chip, after the control switch is closed, the control
Chip carries out expendable data dump to the storage unit.
Preferably, it is described that switch is controlled to be set for biswitch.
Preferably, the movement is arranged at the enclosure, and USB interface extends to outer through one end of the shell
Boundary is used to be connected with external equipment；The shell is arranged side by side away from the other end of the USB joint there are two switch key, and two
A switch key is connected with the control switch, and when pressing the switch key, the control switch is closed.
Preferably, the movement further includes a DC-DC converter, and the DC-DC converter is connected with power supply, for by described in
The voltage of power supply is that the control chip is powered with storage unit after being boosted.
Preferably, the power supply is rechargable power supplies.
Preferably, the USB interface is also connected with the power supply, for connecting external equipment as the power source charges.
Preferably, the supply voltage is 3.7V.
Preferably, the supply voltage is risen to 5V by the DC-DC converter.
Preferably, the USB flash disk further includes a USB flash disk cap, is connected for being closed with the casing cover, to be covered to the movement
Lid protection.
Compared with prior art, the beneficial effects of the utility model：The utility model sets a control chip in movement,
And for chip in order to control and the power supply of storage unit power supply；Control is provided between the power supply and control chip, storage unit
Switch, the control switch are connected with the switch key being arranged on shell；User makes the control by pressing switch key
Switch is closed, and chip is controlled described in the power source active, and the control chip carries out the storage unit expendable
Data-cleaning operation.Through the above technical solutions, so that USB flash disk by external equipment without that can carry out expendable data
Clear operation provides a kind of safeguard protection for the storage data of user.
Description of the drawings
Fig. 1 be the utility model it is a kind of can active data remove USB flash disk preferred embodiment operation logic block diagram.
Fig. 2 be the utility model it is a kind of can active data remove USB flash disk preferred embodiment structure diagram.
Specific embodiment
To make the purpose of this utility model, technical solution and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
It is provided by the utility model it is a kind of can active data remove USB flash disk, Fig. 1-2 please be participate in, as shown in the figure, including shell
100 include with movement 200, the movement 200：
For the USB interface 201 being connected with external equipment, it is connected with the USB interface 201, depositing for data storage
Storage unit 203；
A control chip 202 is also associated between the USB interface 201 and storage unit 203 and for for the control
The power supply 204 that coremaking piece 202 and storage unit 203 are powered；
Control switch 206 is provided between the power supply 204 and control chip 202, when the control switch 206 is closed
Afterwards, the control chip 202 carries out expendable data-cleaning operation to the storage unit 203.
In the utility model embodiment, data dump module is built-in in the control chip 202, for the storage
Storage data in unit 203 carry out expendable data-cleaning operation.The power supply 204 is the storage unit 203, control
Coremaking piece 202 is powered, wherein, control switch 206 is provided between the power supply 204 and control chip 202, when user passes through behaviour
After work is closed the control switch 206, the data dump module activation in the control chip 202, so as to the storage
Unit 203 carries out expendable data-cleaning operation.
Further, the control switch 206 is set for biswitch.
In the utility model embodiment, the control switch 206 forms for two switches, can avoid user misoperation,
Only after two switches are closed, the power supply 204 is connected with control chip 202, and it is right to activate the control chip 202
The storage unit 203 carries out expendable data-cleaning operation.
Further, the movement 200 is arranged inside the shell 100, and USB interface 201 runs through the shell 100
One end extend to it is extraneous for being connected with external equipment；The shell 100 deviates from the other end of the USB joint 201 side by side
It sets there are two switch key 300, two switch keys 300 switch 206 to be connected with the control, when pressing the switch
During button 300, the control switch 206 is closed.
In the utility model embodiment, the switch key 300 is two, and the control switch 206 is similarly two；Its
In one in two switch keys 300 be connected with one in the control switch 206, in two of which switch key 300
Another with it is described control switch 206 in another be connected.User need to press two switch keys 300 simultaneously, and two
A control switch 206 is closed, and so as to activate the control chip 202, the storage unit 203 is carried out expendable
Data-cleaning operation.
Further, the movement 200 further includes a DC-DC converter 205, the DC-DC converter 205 and power supply 204
Connection, for being that the control chip 202 is powered with storage unit 203 after the voltage of the power supply 204 is boosted.
The power supply 204 is rechargable power supplies.
The USB interface 201 is also connected with the power supply 204, is charged for connecting external equipment for the power supply 204.
In the utility model embodiment, the power supply 204 is rechargable power supplies, passes through USB interface 201 and external equipment
（Such as computer）After connection, you can charge to the power supply 204.
Further, 204 voltage of power supply is 3.7V；The DC-DC converter 205 rises to 204 voltage of power supply
5V。
Further, the USB flash disk further includes a USB flash disk cap 400, connection is closed for being covered with the shell 100, with to the machine
Core 200 carries out covering protection.
In conclusion the utility model discloses it is a kind of can active data remove USB flash disk, it is described including shell and movement
Movement includes：For the USB interface being connected with external equipment, it is connected with the USB interface, the storage list for data storage
Member；A control chip is also associated between the USB interface and storage unit and for controlling chip and storage single to be described
The power supply of member power supply；Control switch is provided between the power supply and control chip, it is described after the control switch is closed
Chip is controlled to carry out expendable data-cleaning operation to the storage unit.The utility model sets a control in movement
Chip and the power supply powered for chip in order to control and storage unit；It is provided between the power supply and control chip, storage unit
Control switch, the control switch are connected with the switch key being arranged on shell；User is made described by pressing switch key
Control switch is closed, and chip is controlled described in the power source active, the control chip i.e. can not be extensive to storage unit progress
Multiple data-cleaning operation.Through the above technical solutions, so that USB flash disk is expendable without that can be carried out by external equipment
Data-cleaning operation provides a kind of safeguard protection for the storage data of user.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (9)
1. it is a kind of can active data remove USB flash disk, including shell and movement, which is characterized in that the movement includes：
For the USB interface being connected with external equipment, it is connected with the USB interface, the storage unit for data storage；
A control chip is also associated between the USB interface and storage unit and for controlling chip and storage to be described
The power supply of unit power supply；
Control switch is provided between the power supply and control chip, after the control switch is closed, the control chip
Expendable data dump is carried out to the storage unit.
2. USB flash disk according to claim 1, which is characterized in that described that switch is controlled to be set for biswitch.
3. USB flash disk according to claim 2, which is characterized in that the movement is arranged at the enclosure, USB interface
The external world is extended to through one end of the shell to be used to be connected with external equipment；The shell is another away from the USB joint
End is arranged side by side there are two switch key, and two switch keys are connected with the control switch, when press it is described switch by
During key, the control switch is closed.
4. USB flash disk according to claim 1, which is characterized in that the movement further includes a DC-DC converter, and the DCDC turns
Parallel operation is connected with power supply, for being that the control chip is powered with storage unit after the voltage of the power supply is boosted.
5. USB flash disk according to claim 1, which is characterized in that the power supply is rechargable power supplies.
6. USB flash disk according to claim 5, which is characterized in that the USB interface is also connected with the power supply, for connecting
External equipment is the power source charges.
7. USB flash disk according to claim 1, which is characterized in that the supply voltage is 3.7V.
8. USB flash disk according to claim 4, which is characterized in that the supply voltage is risen to 5V by the DC-DC converter.
9. USB flash disk according to claim 1, which is characterized in that the USB flash disk further includes a USB flash disk cap, for the casing cover
Connection is closed, to carry out covering protection to the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567308.XU CN207424903U (en) | 2017-11-22 | 2017-11-22 | It is a kind of can active data remove USB flash disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567308.XU CN207424903U (en) | 2017-11-22 | 2017-11-22 | It is a kind of can active data remove USB flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424903U true CN207424903U (en) | 2018-05-29 |
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ID=62304076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721567308.XU Active CN207424903U (en) | 2017-11-22 | 2017-11-22 | It is a kind of can active data remove USB flash disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886153A (en) * | 2017-11-22 | 2018-04-06 | 深圳市辰星瑞腾科技有限公司 | It is a kind of can active data remove USB flash disk |
-
2017
- 2017-11-22 CN CN201721567308.XU patent/CN207424903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886153A (en) * | 2017-11-22 | 2018-04-06 | 深圳市辰星瑞腾科技有限公司 | It is a kind of can active data remove USB flash disk |
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