CN204087809U - A kind of solid state hard disc data security erase equipment - Google Patents
A kind of solid state hard disc data security erase equipment Download PDFInfo
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- CN204087809U CN204087809U CN201420491376.2U CN201420491376U CN204087809U CN 204087809 U CN204087809 U CN 204087809U CN 201420491376 U CN201420491376 U CN 201420491376U CN 204087809 U CN204087809 U CN 204087809U
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Abstract
The utility model discloses a kind of solid state hard disc data security erase equipment, comprise housing, be provided with gauge tap on the housing, described gauge tap is electrically connected with the bus extender being located at enclosure interior, the output terminal of described bus extender is connected with erasing primary controller by the detecting device be provided with, described erasing primary controller is connected to eraser and data writing device, is also provided with the equipment interface be connected with solid state hard disc on the housing, and this equipment interface is connected with described erasing primary controller.The utility model only need connect solid state hard disc and power supply in use, the transmission directly being realized erase command by gauge tap must rely on except replacing in prior art the mode that computing machine carries out data erase, realize the function of a key erasing, during use, more simple and fast is convenient, and can the quicker erasing to solid state hard disc.
Description
Technical field
The utility model relates to technical field of memory, especially relates to a kind of solid state hard disc data security erase equipment.
Background technology
Solid state hard disc is made up of master controller and storage chip, and storage chip adopts non-volatile flash chip, wherein data acquisition charge storage mode, there is storage fast with reading speed performance, not limited external vibration, the advantages such as power saving, be widely used in military affairs, commercial, the fields such as industry.
Due to the particular/special requirement of some applications, when needs are to when in solid state hard disc, data are destroyed, ATA secure erase command is issued by main frame, solid state hard disc master controller starts after receiving secure erase command to perform overall erasing, and totally write once, the order execution time is long, in implementation, power-off or shutdown restart rear erasing interruption, then need again to send erasing instruction by main frame, data can not be emptied in time and the time long, and need by host service function, also convenient and swift not in use.
Utility model content
In order to overcome the deficiency of the function singleness of existing solid state hard disc data security erase technology, the utility model provides a kind of solid state hard disc data security erase equipment, this solid state hard disc data security erase equipment can realize working alone, not only improve the dirigibility of device erasing data, and use convenient.
For realizing above-mentioned utility model object, the utility model adopts following technical scheme:
A kind of solid state hard disc data security erase equipment, comprise housing, be provided with gauge tap on the housing, described gauge tap is electrically connected with the bus extender being located at enclosure interior, the output terminal of described bus extender is connected with erasing primary controller by the detecting device be provided with, described erasing primary controller is connected to eraser and data writing device, is also provided with the equipment interface be connected with solid state hard disc on the housing, and this equipment interface is connected with described erasing primary controller.
Further, gauge tap is provided with high level shelves and low level shelves.
Further, wipe primary controller and comprise the receiver module and processing module that are electrically connected to each other.
Further, detecting device is level detector or GPIO detecting device.
Further, gauge tap is toggle switch or keyswitch.
Further, the LED light be connected with described erasing primary controller is provided with on the housing.
Further, equipment interface is ide interface, SAS interface, PCI-E interface, USB interface and/or SATA interface.
Further, in described housing, be also provided with power supply, described power supply respectively with detecting device, wipe primary controller, eraser and data writing device and be electrically connected.
The beneficial effects of the utility model are, the switching realizing erase signal is coordinated by gauge tap and bus extender (GPIO), detect the change of GPIO by detecting device and send instructions to erasing primary controller, by erasing primary controller analysis instruction signal, and control eraser and data writing device to the data erase of target solid state hard disc and write FF value, the utility model only need connect solid state hard disc and power supply (independently can arrange or adopt computing machine as power supply) in use, the transmission directly being realized erase command by gauge tap must rely on except replacing in prior art the mode that computing machine carries out data erase, realize the function of a key erasing, during use, more simple and fast is convenient, and can the quicker erasing to solid state hard disc.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model solid state hard disc data security erase equipment.
Fig. 2 is the circuit theory schematic diagram of embodiment 1.
Fig. 3 is the circuit theory schematic diagram of embodiment 2.
Fig. 4 is the circuit theory schematic diagram of embodiment 3.
In accompanying drawing, the implication of each label is:
10-housing 20-gauge tap 30-bus extender 40-detecting device 50-wipes primary controller
60-eraser 70-data writing device 80-equipment interface 90-power supply
100-LED pilot lamp
21-high level shelves 22-low level shelves
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
Referring to Fig. 1, is the structural representation of the solid state hard disc data security erase equipment of a kind of embodiment of the present utility model.
Described solid state hard disc data security erase equipment comprises: housing 10, described housing 10 is provided with gauge tap 20, this gauge tap 20 can be toggle switch or keyswitch, described gauge tap 20 is electrically connected with the bus extender (GPIO) 30 being located at housing 10 inside, the output terminal of described bus extender 30 is connected with erasing primary controller 50 by the detecting device 40 be provided with, this erasing primary controller 50 comprises the receiver module and processing module that are electrically connected to each other, described erasing primary controller 50 is connected to eraser 60 and data writing device 70, described housing 10 is also provided with the equipment interface 80 be connected with solid state hard disc, this equipment interface 80 is connected with described erasing primary controller 50, described housing 10 is provided with the LED light 100 be connected with described erasing primary controller 50, equipment interface 80 is ide interface, SAS interface, PCI-E interface, USB interface and/or SATA interface, it should be noted that when actual, the quantity of equipment interface 80 can be adjusted as required, namely be that multiple different classes of equipment interface 80 can be set simultaneously.
Wherein in the embodiment that some are different, some parts above-mentioned can carry out different changes, specific as follows: in embodiment 1, as shown in Figure 2, gauge tap 20 in the present embodiment is provided with high level shelves 21 and low level shelves 22, detecting device 40 be level detector, to be connected with computer by equipment interface 80 in use and to obtain power supply, so, in the position (GPIO with low level be connected) of normal condition toggle switch at low level shelves 22, when toggle switch (GPIO is connected with high level) when the position of high level shelves 21, now GPIO state is high level, when level detector detects that GPIO is high level, erasing primary controller 50 issues secure erase command, eraser 60 is according to secure erase command, start to perform erase operation.A solid state hard disc hardware be configured with master controller, flash memory particle, power unit, the support of solid state hard disc one key erasing apparatus connects four flash memory particles simultaneously, wherein flash memory is made up of face (Plane), each is made up of block (Block), and each piece is made up of page (Page).Eraser 60 carries out erase operation to each block of four flash memory particles according to the erase command issued simultaneously, the erasing of flash memory particle is wiped in units of block, and solid state hard disc erasing apparatus points out duty when performing erase operation by the flicker of LED light 100.
Solid state hard disc erasing apparatus is when executing erasing, data writing device 70 performs write operation according to secure erase command, wherein FF will be write to first page in each block of four flash memory particles simultaneously, flash memory particle writes in units of page, and solid state hard disc erasing apparatus points out duty when performing write operation by the flicker of LED light 100.
Solid state hard disc erasing apparatus is when executing secure erase command, and LED light 100 is Chang Liang, prompting erasure completion, when wherein completing erase command, erasing primary controller 50 can export a high level, points out erasure completion, the display state of this information by LED light 100 is pointed out.
Solid state hard disc erasing apparatus is not when completing erase command, and accident power-off or shutdown, after re-powering or starting shooting, perform erase command by continuation.Wherein wiping primary controller 50 by calculating block and the page of each passage flash memory particle, determining whether to execute secure erase command to the data volume that page writes to the erasing of block and data writing device 70 by eraser 60.
In example 2, as shown in Figure 3, the detecting device 40 in the present embodiment is GPIO detecting device.The operation of the present embodiment and embodiment 2 is distinguished and is directly to control to close by gauge tap 20, and bus extender 30 is directly communicated with GPIO detecting device, and subsequent operation in the same manner as in Example 2.
In embodiment 3, as shown in Figure 4, power supply 90 is also provided with in described housing 10, described power supply 90 respectively with detecting device 40, wipe primary controller 50, eraser 60 and data writing device 70 and be electrically connected, by the subsidy power supply 90 be provided with, can directly connect solid state hard disc to operate, easy to use.
The beneficial effects of the utility model are, the switching realizing erase signal is coordinated by gauge tap 20 and bus extender 30 (GPIO), detect the change of GPIO by detecting device 40 and send instructions to erasing primary controller 50, by erasing primary controller 50 analysis instruction signal, and control data erase and the write FF value of eraser 60 and data writing device 70 pairs of target solid state hard discs, the utility model only need connect solid state hard disc and power supply (can built-in independently power supply 90 or adopt computing machine as power supply) in use, the transmission directly being realized erase command by gauge tap 20 must rely on except replacing in prior art the mode that computing machine carries out data erase, realize the function of a key erasing, during use, more simple and fast is convenient, and can the quicker erasing to solid state hard disc.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present utility model or essential characteristic, the utility model can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the utility model scope and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (8)
1. a solid state hard disc data security erase equipment, it is characterized in that, comprise housing, be provided with gauge tap on the housing, described gauge tap is electrically connected with the bus extender being located at enclosure interior, and the output terminal of described bus extender is connected with erasing primary controller by the detecting device be provided with, and described erasing primary controller is connected to eraser and data writing device, also be provided with the equipment interface be connected with solid state hard disc on the housing, this equipment interface is connected with described erasing primary controller.
2. solid state hard disc data security erase equipment according to claim 1, is characterized in that, described gauge tap is provided with high level shelves and low level shelves.
3. solid state hard disc data security erase equipment according to claim 1, is characterized in that, described erasing primary controller comprises the receiver module and processing module that are electrically connected to each other.
4. solid state hard disc data security erase equipment according to claim 1, is characterized in that, described detecting device is level detector or GPIO detecting device.
5. solid state hard disc data security erase equipment according to claim 1, is characterized in that, described gauge tap is toggle switch or keyswitch.
6. solid state hard disc data security erase equipment according to claim 1, is characterized in that, is provided with the LED light be connected with described erasing primary controller on the housing.
7. solid state hard disc data security erase equipment according to claim 1, is characterized in that, described equipment interface is ide interface, SAS interface, PCI-E interface, USB interface and/or SATA interface.
8. the solid state hard disc data security erase equipment according to any one of claim 1 to 7, is characterized in that, in described housing, be also provided with power supply, described power supply respectively with detecting device, wipe primary controller, eraser and data writing device and be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491376.2U CN204087809U (en) | 2014-08-29 | 2014-08-29 | A kind of solid state hard disc data security erase equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491376.2U CN204087809U (en) | 2014-08-29 | 2014-08-29 | A kind of solid state hard disc data security erase equipment |
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| Publication Number | Publication Date |
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| CN204087809U true CN204087809U (en) | 2015-01-07 |
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| CN201420491376.2U Active CN204087809U (en) | 2014-08-29 | 2014-08-29 | A kind of solid state hard disc data security erase equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513640A (en) * | 2015-12-03 | 2016-04-20 | 深圳佰维存储科技有限公司 | Solid state disk data erasing method and system thereof |
| CN108009448A (en) * | 2018-01-02 | 2018-05-08 | 湖南国科微电子股份有限公司 | A kind of solid state hard disc data destruction method, apparatus and system |
| CN109190415A (en) * | 2018-07-05 | 2019-01-11 | 天津众达智腾科技有限公司 | Data destroying triggering method and its device based on physical protection |
-
2014
- 2014-08-29 CN CN201420491376.2U patent/CN204087809U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513640A (en) * | 2015-12-03 | 2016-04-20 | 深圳佰维存储科技有限公司 | Solid state disk data erasing method and system thereof |
| CN105513640B (en) * | 2015-12-03 | 2020-04-14 | 深圳佰维存储科技股份有限公司 | Solid state disk data erasing method and system thereof |
| CN108009448A (en) * | 2018-01-02 | 2018-05-08 | 湖南国科微电子股份有限公司 | A kind of solid state hard disc data destruction method, apparatus and system |
| CN109190415A (en) * | 2018-07-05 | 2019-01-11 | 天津众达智腾科技有限公司 | Data destroying triggering method and its device based on physical protection |
| CN109190415B (en) * | 2018-07-05 | 2021-08-27 | 天津众达智腾科技有限公司 | Data destruction triggering method and device based on physical protection |
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Addressee: Su Si Document name: Notification of Passing Examination on Formalities |