A kind of polydisc safe storage system for realizing identification by RF Technology of Radio Frequency CardTechnical field
It is specially a kind of that identification is realized by RF Technology of Radio Frequency Card the utility model relates to mobile technical field of memoryPolydisc safe storage system.
Background technique
With the development of information age, the data that people are stored in mobile hard disk or flash disk are more and more important, peopleThe requirement of stability and safety to storage device is also higher and higher, and common flash memory device is no longer satisfied it and wantsIt asks.When people use storage dish, data are repeatedly accessed in the short time sometimes, frequently plug storage dish inconvenience again,If a straight grip storage dish is inserted on computers, data are again dangerous, so developing a kind of storage that can be used by identificationDisc system is problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of polydisc secure storages that identification is realized by RF Technology of Radio Frequency CardSystem, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
The utility model provides a kind of polydisc safe storage system that identification is realized by RF Technology of Radio Frequency Card, includingMICRO USB interface and memory grain, which further includes power management module, system processor, wireless transmitter module, wirelessReceiving module, voltage abnormal detection circuit, drive module and miniature disconnecting relay；The MICRO USB interface and power supplyManagement module and miniature disconnecting relay are electrically connected, and the power management module connects system processor, the system processingDevice external connection voltage abnormal detection circuit, wireless receiving module and drive module, the drive module and three miniature isolationRelay is separately connected, each miniature disconnecting relay connection one memory grain of control.
Further, the system processor uses STC12C5A60S2 type single-chip microcontroller.
Further, the drive module is using ULN2003 type high voltage, high current Darlington array.
Further, the memory grain uses the memory grain array of 1M or more.
Further, the voltage abnormal detection circuit is the electric voltage exception detected on supply voltage and data line, detectionTo abnormal level voltage, it is transmitted to system processor.
Further, the power management module uses the HT7550 of low voltage difference low-power consumption, can be in 5--15V pressure stabilizing modelThe interior pressure stabilizing that 5V is provided is enclosed to use to system processor.
Further, the quantity of the memory grain is not limited only to three.
Further, the miniature disconnecting relay can also be substituted using electronic switch.
Further, the RF Receiver Module reads and writes card chip using high integration in RC522 contactless communication.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model passes through setting voltage abnormal detection circuit and miniature disconnecting relay and multiple mutual independencesMemory grain, avoid the problem that because data can not be read caused by voltage problem or memory grain Natural Damage, simultaneouslyUsing more particles while the method for storing data, the safety of data storage is greatly improved.
2. if reading electronics mark to open storage dish read-write data when having had to pass through electronic tag IC close to equipmentLabel carry out data comparison, and storage dish could be used after comparing successfully, can greatly improve the personal secrets of data storage in this way,With the convenience used.
Detailed description of the invention
Fig. 1 is Tthe utility model system functional block diagram；
Fig. 2 is the circuit connection diagram of Tthe utility model system.
In figure: 1MICRO USB interface, 2 power management modules, 3 system processors, 4 voltage abnormal detection circuits, 5 drivingsModule, 6 miniature disconnecting relays, 7 memory grains, F1 RF radio frequency chip, F2 RF Receiver Module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility modelClearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than wholeEmbodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative workEvery other embodiment obtained, fall within the protection scope of the utility model.
Refering to fig. 1-2, the utility model provides a kind of embodiment: a kind of to realize the more of identification by RF Technology of Radio Frequency CardDisk safe storage system, including MICRO usb 1, memory grain 7, power management module 2, system processor 3, RF radio frequencyChip F1, RF Receiver Module F2, voltage abnormal detection circuit 4, drive module 5 and miniature disconnecting relay 6；It is describedMICRO usb 1 and power management module 2 and miniature disconnecting relay 6 are electrically connected, and the power management module 2 connectsSystem processor 3, the 3 external connection voltage abnormal detection circuit 4 of system processor, RF Receiver Module F2 and driving mouldBlock 5, the drive module 5 and three miniature disconnecting relays 6 are separately connected, each miniature connection of disconnecting relay 6 controlMake a memory grain 7.Wherein, the system processor 3 uses STC12C5A60S2 type single-chip microcontroller；The drive module 5 isUsing ULN2003 type high voltage, high current Darlington array；The memory grain 7 uses the memory grain battle array of 1M or moreColumn；The voltage abnormal detection circuit 4 is the electric voltage exception detected on supply voltage and data line, detects high level voltage,It is transmitted to system processor 3；The power management module 2, can be in 5--15V pressure stabilizing model using the HT7550 of low voltage difference low-power consumptionThe interior pressure stabilizing that 5V is provided is enclosed to use to system processor 3；The quantity of the memory grain 7 is not limited only to three；It is described it is miniature everyGas-discharge relay 6 can also be substituted using electronic switch；The RF Receiver Module F2 uses core contactless logical for RC522High integration reads and writes card chip in letter.
Working principle: after utilizing autonomous system processor detection external voltage normal, just allow to connect respectively by relayLead to corresponding memory grain and carries out data storage.
System processor is detected first by VD1----VD6, R5--R10, the power supply and data line overvoltage of composition after energizationIt protects circuit detection voltage whether abnormal, if abnormal, alarm, any memory grain can not be accessed at this time, protected with thisShield memory grain will not be damaged by abnormal voltage, and such case, which only needs to pull out abnormal voltage data line, to automatically reset.
After the detection foregoing circuit that is powered is normal, the RF radio frequency chip containing radio-frequency technique is affixed on mobile phone back or is affixed onCan on personal effects, need using when the model that only needs that the article of chip will be sticked close to 1--5 centimetres of this equipmentIt encloses, when there is the electronic tag of RF radio frequency chip close to equipment, RC522 is that the RFM6300 module of core reads electronic tagData comparison is carried out, the 3 feet output low level of RFM6300 gives system processor 3 by 5 feet, 39 feet after comparing successfully, thusControllable storage equipment, realizes intelligent storage and secure storage.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-rowHis property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, andAnd further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsicElement.In the absence of more restrictions.By the sentence " element limited including one ..., it is not excluded that includingThere is also other identical elements in the process, method, article or equipment of the element ".
The correlation module being related in this system is hardware system module or for computer software journey in the prior artThe functional module that sequence or agreement are combined with hardware, computer software programs or agreement involved by the functional module itselfThe technology being well known to those skilled in the art is not the improvements of this system；This system is improved between each moduleInteraction relationship or connection relationship, as the whole construction of system is improved, to be solved with solving this systemRelevant art problem.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repairedChange, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.