CN207718355U - It is a kind of can quick despatch army grade memory module - Google Patents
It is a kind of can quick despatch army grade memory module Download PDFInfo
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- CN207718355U CN207718355U CN201721019282.5U CN201721019282U CN207718355U CN 207718355 U CN207718355 U CN 207718355U CN 201721019282 U CN201721019282 U CN 201721019282U CN 207718355 U CN207718355 U CN 207718355U
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Abstract
The utility model provide it is a kind of can quick despatch military project grade memory module, the military project grade memory module is made of storage chip, SATA interface, data erasing mode configuration circuit, write-protect mode configuration circuit, self-destruction mode configuration circuit, SATA mode configuration circuit, power-down protection circuit and power supply system.The utility model connection is reliable, and antivibration kinetic force is better than the connection type of golden finger interface type；The power-down protection circuit that the utility model specially designs, has the function of power down protection, can prevent from, in loss of data and damage caused by system exception power-down conditions, promoting data storage safety；The utility model has multiple-working mode selection, it can be achieved that data erasing, write-protect, memory module self-destroying function.
Description
Technical field
The utility model is related to army grade field of storage, more particularly to a kind of support quick despatch, confidentiality are high, have
The memory module of electric protection ability.
Background technology
In the electronic information epoch, demand of the every profession and trade to memory module is further strong.It is similarly needed in military industry field
A large amount of memory module meets the requirement of information storage, however conventional memory module is directed to ordinary consumer and designs,
It is difficult to meet military requirements in many characteristics.And storage device records have a large amount of confidentiality data, even if by simply wiping
It removes or formatting is handled, it can also be data recovery by special technological means.If using the storage unit design in plate,
In electronic equipment carries out the operating process such as genuine repair, lower storage unit can not be just won, retains in the memory unit quick
Perceptual data just will return factory together with equipment to be repaired, and the number for the tactiosensible data that have an opportunity in this case will increase significantly
It is even uncontrollable, thus there is the risk that equipment causes leaking data in maintenance process.Therefore the field high in security requirements
Institute, just should be equipped with the memory module for being easy to be mounted and dismounted, can be easily when electronic equipment carries out genuine maintenance
Memory module is quickly disassembled, to completely cut off the possibility that sensitive data causes to divulge a secret in maintenance of equipment process.
On connection reliability, conventional memory module (mechanical hard disk/solid state disk of 2.5/3.5 inches of standard) is with gold
Finger interface mode connects, and this connection type antivibration kinetic force is poor, is easy to make communication malfunction under strong vibration environment, installation
The problems such as process also needs to certain adjustment and needs to assemble screw, unreliable there are being connected under strong vibration, and dismounting is inconvenient.
In power down protection characteristic, conventional memory module does not have power-down protection circuit generally, easily causes to count in powered-off fault
It is damaged according to even hard disk is lost.In interface function flexibility, since conventional memory module uses the interface of standard, Yong Hunan more
With the interface function under self-defining some Special use environment, interface flexibility in use is poor.
Utility model content
For problems of the prior art, the utility model provide it is a kind of can quick despatch army grade storage mould
Block.
What the utility model was achieved through the following technical solutions in fact：
It is a kind of can quick despatch military project grade memory module, the military project grade memory module connects by storage chip, SATA
Mouth, SATA mode configuration circuit, power-down protection circuit and power supply system composition, SATA interface, SATA mode configuration circuit and fall
Electric protection circuit respectively connects storage chip, and the power-down protection circuit connects power supply system；The military project grade memory module
Further include that data erasing mode configuration circuit, write-protect mode configuration circuit and self-destruction mode configuration circuit are all connected with the storage
Chip；The storage chip is the storage chip based on NAND FLASH technologies；The power supply system is DC-DC power supply systems；
The power-down protection circuit includes overcurrent-overvoltage protecting circuit and the current chopping circuit that is made of reset chip and metal-oxide-semiconductor,
The overcurrent-overvoltage protecting circuit connects the input terminal of the power supply system, and the overcurrent-overvoltage protecting circuit passes through current chopping
Circuit connects the storage chip；The storage chip, SATA interfaces, data erasing mode configuration circuit, write-protect pattern are matched
Circuits, self-destruction mode configuration circuit, SATA mode configuration circuit, power-down protection circuit and power supply system are integrated in one
On pcb board.
The utility model has the advantage that：
1, the hardware structure of the utility model is clear, compact, keeps its pcb board design cost cheap and production efficiency
It is high；
2, the utility model can continue working in the presence of a harsh environment, operating temperature range is wide, is -40~+85 DEG C；
3, the utility model installation and removal are convenient, and 3 seconds quick despatch may be implemented；
4, the utility model connection is reliable, and antivibration kinetic force is better than the connection type of golden finger；
5, the utility model supports the specific customization of pin function, can define data erasing, the number of pin according to demand
According to functions such as self-destruction, write-protects；
6, the utility model is designed with power-down protection circuit, has power-down protection, can prevent from falling in system exception
Loss of data and damage caused by electric situation promote data storage safety.
Description of the drawings
Fig. 1 be it is provided by the utility model can quick despatch military project grade memory module structural schematic diagram；
Fig. 2 is the principle schematic of power-down protection circuit；
Fig. 3 is the structural schematic diagram of SATA interface in the utility model.
Specific implementation mode
The utility model provide it is a kind of can quick despatch military project grade memory module, hardware design block diagram as shown in Figure 1,
The military project grade memory module is by storage chip, SATA interface, data erasing mode configuration circuit, write-protect pattern configurations electricity
Road, self-destruction mode configuration circuit, SATA mode configuration circuit, power-down protection circuit and power supply system composition.Wherein, SATA connects
Mouth, data erasing mode configuration circuit, write-protect mode configuration circuit, self-destruction mode configuration circuit, SATA mode configuration circuit,
Power-down protection circuit respectively connects storage chip.The power-down protection circuit connects power supply system.It is provided by the utility model
Can quick despatch military project grade memory module, the high, high reliability with confidentiality, can be applied to confidentiality,
Temperature characterisitic, connection reliability, job stability require high occasion, in military equipment.
The power supply system is DC-DC power supply systems.
The storage chip uses quick flashing NAND FLASH storage chips, belongs to while being integrated with storage particle and control
Device keeps hardware design more reliable and more stable in SoC (system on chip) framework of one.Storage chip uses SLC (single layer cell)
The NAND FLASH particles of type are as storage medium.NAND FLASH particles based on SLC types use the longevity with longer
Life and more safely and reliably data protection ability.
Conventional memory module lacks power-down protection circuit design, falls if encountering exception when system carries out data write-in
Electric situation will be highly vulnerable to breakage NAND FLASH when the disappearance of the power supply of moment is happened at the write operation of NAND FLASH particles
The structure of grain, causes loss and the damage of data.And the utility model is designed with special power-down protection circuit, it is abnormal when occurring
When power-off, the connection with external system can be cut off immediately, internal current can be delayed to disappear by the capacitance electric discharge of own system
The speed of mistake ensures data to storage chip enough power-off times to avoid the damage of NAND FLASH particles
Safety.
The principle of power-down protection circuit as shown in Figure 2 designs, including overcurrent-overvoltage protecting circuit, by reset chip and
The current chopping circuit that metal-oxide-semiconductor is constituted.The overcurrent-overvoltage protecting circuit includes linear modulator power supply, linear modulator power supply
It is connected with multiple feedback resistance R1, R2, R3 and diode.The overcurrent-overvoltage protecting circuit connects the input of the power supply system
End, the overcurrent-overvoltage protecting circuit connect the storage chip by current chopping circuit.
Wherein Vin is system input voltage (power supply system input voltage), and input voltage is first passed around by linear modulator
After the overcurrent-overvoltage protecting circuit that power supply APL5337 is constituted, by double enhanced P-channel metal-oxide-semiconductor (the first metal-oxide-semiconductor and second
Metal-oxide-semiconductor) the current chopping circuit of composition and electric as the input of built-in system after bulky capacitor buffers.Adjusting can be passed through
The feedback resistance of APL5337 come set overcurrent or overvoltage threshold value.First reset chip MAX6814 and the second reset chip
MAX811's is applied in combination the fast conducting that can ensure the first metal-oxide-semiconductor Q1A when system normal power supply.And work as system power supply not
First metal-oxide-semiconductor Q1A immediately becomes high resistant to the inside and outside power supply of barrier systems when steady, at this moment the bulky capacitor of internal system
Combinational circuit can play afterflow cushioning effect, make builtin voltage will not pop-off, provided for storage chip and valuable be
It unites the power down protection time, to avoid the storage chip in work from being damaged because of abnormal power-down.The power-down protection circuit
Front-end Design have Anti-surging ability, rear end design have powered-off fault when carry out data protection ability.
In power supply system, power input is provided by power-down protection circuit, which supports 3.3V direct current supplys, makes
It uses Step-Down and is integrated with the miniaturization Switching Power Supply of inductance as internal voltage-stabilizing system, transfer efficiency is up to 95%, can be with
Further decrease the use power consumption of memory module.
The utility model can use a block length 41.1mm, and wide 18.3mm, thickness is the printed circuit board (PCB) of 1.3mm
It is designed to complete basic all hardware unit, all hardware unit is mainly storage chip unit, SATA interface, data erasing mould
Formula configuration circuit, write-protect mode configuration circuit, self-destruction mode configuration circuit, SATA mode configuration circuit, power-down protection circuit
And DC-DC power supply systems.
To ensure to have more easily mounting means and reliably connection performance, pcb board to select the circle of inline package
Shape pin connector, as shown in Figure 3.Connector is two-row structure, often arranges equidistant (2.54mm spacing) and 16 length of distribution are
The gold-plated pin circular plug of 13mm, two rows of pins are symmetrically arranged at a distance of the form for being 15.24mm.Use the circle of specific customization
The connection type of plug, contact area is big, and three-dimensional interface contact may be implemented, it is ensured that close with target device connects
Connect, ensure the stabilization of communication link, make equipment under strong vibration environment remain unchanged reliably working.The assembly structure design advantages of simple
It is and very practical, it is ensured that the installation or removal of the memory module are completed in 3 seconds.It, can root based on this assembling structure
Each leg signal is defined according to specific requirements, it such as can be data erasing mode configuration circuit, write-protect mode configuration circuit, self-destruction mould
Formula configuration circuit, the control signal definition of SATA mode configuration circuit are wherein.When corresponding specific function enable signal is
Active states, just start corresponding function.SATA mode configuration circuits may be implemented SATA1.0/SATA2.0/SATA3.0 and connect
Port transmission pattern configurations.The utility model is using the connection type of the circular plug of specific customization, and contact area is big, Ke Yishi
Existing three-dimensional interface contact, it is ensured that the close connection with target device ensures the stabilization of communication link, and equipment is made to shake by force
Remain unchanged reliably working under rotating ring border.
Data erasing mode configuration circuit, write-protect mode configuration circuit, self-destruction mode configuration circuit are to be based on special use
It is designed under (weapon system-of-systems) on the way.Having write-protect, data erasing, self-destruction ability to data confidentiality highly sensitive occasion
Memory module can guarantee data security transmission without being written over, and can prevent data from falling into non-award by erasing and self-destruction setting
In power personnel's hand.
Summary, the utility model provide it is a kind of can quick despatch, highly reliable army that is small, having power down protection capability
With grade memory module, not only with load and unload it is simple and fast, be not required to assembly installation screw also with occupying little space and reliable for operation
Property it is high the features such as, be highly suitable for military project etc. and security work requirement used in the high, place high to connection reliability requirement.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (1)
1. it is a kind of can quick despatch military project grade memory module, which is characterized in that the military project grade memory module by storage chip,
SATA interface, SATA mode configuration circuit, power-down protection circuit and power supply system composition, SATA interface, SATA mode configuration electricity
Road and power-down protection circuit respectively connect storage chip, and the power-down protection circuit connects power supply system；The military project grade is deposited
Storage module can provide data erasing mode, write-protect mode circuit and self-destruction mode capabilities；The storage chip is quick flashing NAND
FLASH storage chips；The power supply system is DC-DC power supply systems；The power-down protection circuit includes over-current over-voltage protection electricity
Road and the current chopping circuit being made of reset chip and metal-oxide-semiconductor, the overcurrent-overvoltage protecting circuit connect the power supply system
The input terminal of system, the overcurrent-overvoltage protecting circuit connect the storage chip by current chopping circuit；The storage chip,
SATA interface, data erasing mode configuration circuit, write-protect mode configuration circuit, self-destruction mode configuration circuit, SATA mode are matched
Circuits, power-down protection circuit and power supply system are integrated on a pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019282.5U CN207718355U (en) | 2017-08-15 | 2017-08-15 | It is a kind of can quick despatch army grade memory module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019282.5U CN207718355U (en) | 2017-08-15 | 2017-08-15 | It is a kind of can quick despatch army grade memory module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207718355U true CN207718355U (en) | 2018-08-10 |
Family
ID=63063221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721019282.5U Active CN207718355U (en) | 2017-08-15 | 2017-08-15 | It is a kind of can quick despatch army grade memory module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207718355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458273A (en) * | 2019-07-17 | 2019-11-15 | 陕西千山航空电子有限责任公司 | A kind of data storage card |
-
2017
- 2017-08-15 CN CN201721019282.5U patent/CN207718355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458273A (en) * | 2019-07-17 | 2019-11-15 | 陕西千山航空电子有限责任公司 | A kind of data storage card |
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