TW201415475A - Intelligent detection device of solid state drive combined with multiple flash memory cards and method thereof - Google Patents

Abstract

The present invention discloses an intelligent detection device of solid state drive combined with multiple flash memory cards and a method thereof. In which a central processor controls a control unit and electrically connects to the plurality of flash memory card slots for a plural flash memory cards to insert therein so that the control unit can read the parameters of the flash memory cards and return the parameters of the flash memory cards to the central processor to determine the statuses of the flash memory cards, and the central processor displays the status of each flash memory card on at least one display unit. The present invention can integrate the storage spaces of multiple flash memory cards into one single larger storage device, and can detect the health status of the flash memory cards in order to inform the user to carry out data backup in advance.

Description

Intelligent detecting device and method thereof for solid-state hard disk combined with multiple flash memory cards

The present invention relates to a redundant array, and more particularly to an intelligent detecting device and a method thereof for integrating a solid-state hard disk of a plurality of flash memory cards in a storage space of a plurality of flash memory cards.

Redundant Array of Inexpensive Disks (RAID) is referred to as a hard disk array. The basic idea is to combine multiple hard disks into a hard disk array group, so that the performance can reach or exceed a huge storage capacity. dish. A hard disk array has several advantages over a single hard disk: for example, it can enhance data integration, enhance fault tolerance, and increase throughput or capacity.

Simply put, a hard disk array combines multiple hard disks into one logical magnetic area. Therefore, the computer's operating system only uses multiple hard disks in the hard disk array as one hard disk. A typical hard disk array is often used on a server computer, and a hard disk of the same format is used as a combination of hard disk arrays. However, since the hard disk array cannot detect the health status of each hard disk in real time, it is impossible to notify the user that one of the hard disks is damaged when the hard disk is damaged, so when the user knows that the hard disk is damaged, it cannot be repaired. The internal data of the hard disk leads to the loss of important data, and the hard disk array is bulky and cannot be carried with it, which is less convenient.

In view of the above, the present invention is directed to the above problems, and provides a smart detection device and a method thereof for combining a solid flash drive with multiple flash memory cards, to notify a user to back up data or replace a flash memory card early. Therefore, it will not lead to the loss of data and effectively improve the defects in the prior art.

The main object of the present invention is to provide an intelligent detecting device and a method thereof for combining a solid flash disk with a plurality of flash memory cards, which can integrate a storage space of a plurality of flash memory cards into a large storage device. Accelerate access speed and detect the health status of each flash memory card to inform users that they can back up data or replace the flash memory card.

The second object of the present invention is to provide a smart detecting device and a method thereof for combining a solid flash disk with a plurality of flash memory cards, which can replace a partially damaged bad flash memory card individually, without scrapping the entire storage. The device is designed to save the cost of replacement components, quick maintenance and green recycling.

Still another object of the present invention is to provide an intelligent detecting device and a method thereof for a solid state hard disk incorporating a plurality of flash memory cards, which can simplify the manufacturing process and save the test card opening time cost.

Still another object of the present invention is to provide an intelligent detecting device and a method thereof for a solid state hard disk incorporating a plurality of flash memory cards, which are small in size and convenient to carry.

In order to achieve the above purpose, the present invention provides an intelligent detecting device for a solid state hard disk incorporating a plurality of flash memory cards. A central processing unit controls a control unit, and the control unit is electrically connected to the plurality of flash memory card slots. For inserting a plurality of flash memory cards, the control unit can read the parameters of each flash memory card, and the control unit returns the parameters of each flash memory card to the central processing unit to determine each flash memory card. In the state, the central processor controls and displays the unit in at least one state to display the status of each flash memory card.

In addition, the present invention also provides an intelligent detection method for a solid state hard disk combined with a plurality of flash memory cards, which comprises reading a plurality of flash memory cards and returning the specifications of the plurality of flash memory cards to distinguish the complex numbers. The specification of the flash memory card; reading the parameters of the complex flash memory card, and returning the parameters of the plurality of flash memory cards to determine the status of the plurality of flash memory cards; and flashing according to the complex number The status of the memory card sends a display signal for displaying the status of the plurality of flash memory cards.

The purpose, technical content, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments.

The invention relates to a smart detecting device 10 for a solid state hard disk combined with a plurality of flash memory cards. Referring to the first figure, as shown in the figure, the smart detecting device 10 of a solid hard disk combined with a plurality of flash memory cards is shown. The central processing unit 12 is electrically connected to a control unit 14, the central processing unit 12 and controls the control unit 14, and the control unit 14 is electrically connected to the plurality of flash memory card slots 16, and the plurality of flash memories are The card slot 16 is for inserting a plurality of flash memory cards 22, wherein the flash memory card 22 can be various types of flash memory cards 22 such as SD, TF, XD, eMMC, CF, MS, etc., to form a flash memory card. The solid state hard disk enables the control unit 14 to read the Spare field, the Reserved block, and the User Defined Registers in each of the flash memory cards 22. Parameters such as Flash Identification, Erase count, Error-Correcting Code (ECC), Program/Erase status, Cyclic Redundancy Check (CRC), Cyclic Redundancy Check), Parity Chec k), customer-defined, bad block number and other flash memory card 22 parameters, the control unit 14 returns the read parameters to the central processing unit 12, and the central processing unit 12 determines the flash memory card 22 based on the parameter. The status and format, after the CPU 12 determines the status and format of the flash memory card 22, and displays the status of each flash memory card 22 in a status display unit 34, wherein the display unit 34 can be a liquid crystal screen. The central processing unit 12 can display the state of each flash memory card 22 by using a text or a graphic directly on the liquid crystal screen. In addition to displaying the state of the flash memory card 22 directly on the liquid crystal screen, the display unit 34 can be further The plurality of light-emitting elements 28, which may be light-emitting diodes, are controlled by the central processing unit 12, and each of the light-emitting elements 28 is correspondingly disposed in each of the flash memory card slots 16 for control according to the central processing unit 12. The state of the flash memory card 22 in each of the flash memory card slots 16 is displayed; the central processing unit 12 is further electrically connected to at least one of the transmission interfaces 36 to enable the solid state hard disk of the present invention to combine multiple flash memory cards. The smart detection device 10 is electrically connected to a computer and transmits data to the computer so that the computer can display the status of each flash memory card 22. The transmission unit 26 can be a universal serial bus or a serial ATA.

Referring to the first figure and the second figure, as shown in the figure, the smart detection method of the solid state hard disk combined with the multiple flash memory card of the present invention is as shown in the following steps, first proceeds to step S10, and the central processing is performed. The controller 12 reads a plurality of flash memory cards 22, 24, 26 inserted in the flash memory card slots 16, 18, 20 through the control unit 14, and then proceeds to step S12, and the control unit 14 reads again. After the flash memory cards 22, 24, 26 are flashed, the specifications of the flash memory cards 22, 24, 26 are returned to the central processing unit 12 to distinguish each flash memory card 22, 24, 26 The specification, and synchronously read the erase code (Erase count) in each flash memory card 22, 24, 26, and return the read erase code (Erase count) parameter to the central processing unit 12, central processing The device 12 then determines the status of each of the flash memory cards 22, 24, 26 according to the Erase count parameter to estimate the flash memory according to the read and write ratio of the flash memory cards 22, 24, and 26. The service life of the card, then proceed to step S14 to read the operation error parameters, such as error correction Code (ECC, Error-Correcting Code), Program/Erase status, Cyclic Redundancy Check (CRC), Parity check, customer-defined, bad block number After flashing the parameters of the memory card 22, 24, 26, the parameters are returned to the central processing unit 12, and the central processing unit 12 determines each one according to the parameters. Whether the flash memory cards 22, 24, 26 have been damaged to monitor the status of each of the flash memory cards 22, 24, 26, and after the end of step S14, the process returns to step S10 again, so that the control unit 14 continues to read. The parameters of the complex flash memory cards 22, 24, 26 are passed back to the central processing unit 12 so that the central processing unit 12 can transmit signals to the display unit 34 to update the display status of the flash memory cards 22, 24, 26 at any time. Finally, the process proceeds to step S16, and the central processing unit 12 sends a display signal to the display unit 34 according to the state of each of the flash memory cards 22, 24, 26, so that the display unit 34 displays the flash memory cards 22, 24, and 26 The state of service life and whether it is damaged. If the display unit 34 is the plurality of light-emitting units 28, 30, 32, the plurality of light-emitting elements 28, 30, 32 are correspondingly disposed on each of the flash memory card slots 16, 18, 20, so the central processing unit 12 Corresponding display signals are sent to each of the light-emitting units 28, 30, 32 according to the state of each of the flash memory cards 22, 24, 26, for example, if the central processing unit 12 is flashed according to the insertion into the flash memory card slot 16. The status of the memory card 22 emits a display signal, and the central processing unit 12 transmits the display signal to the light-emitting element 28 to cause the light-emitting element 28 to emit light to display the state of the flash memory card 22, if the central processing unit 12 is flashed according to the insertion. When the status of the flash memory card 24 in the memory card slot 18 emits a display signal, the display signal is sent to the light-emitting element 30 to cause the light-emitting element 30 to emit light for displaying the state of the flash memory card 24, and the light-emitting element 28 of the present invention. 30, 32 can emit lights of different colors according to the state of each flash memory card 22, 24, 26. In this embodiment, if the state of the flash memory cards 22, 24, 26 is normal, the light-emitting elements 28, 30, 32 emit green light, if the state of the flash memory cards 22, 24, 26 is somewhat If the damage is required, the user needs to remind the user to make a backup in advance, the light-emitting elements 28, 30, 32 will emit yellow light, but if the flash memory cards 22, 24, 26 are damaged, the status of the flash memory cards 22, 24, 26 is In the event of a failure, the illuminating elements 28, 30, 32 will emit red light to alert the user that the flash memory cards 22, 24, 26 need to be replaced. But the present invention is in addition to the above The light color of the light-emitting elements 28, 30, 32 of the example represents the flash memory card 22, 24, 26, and the color of the flash corresponding to the state of the flash memory cards 22, 24, 26 can be arbitrarily changed to remind user.

In addition to the above embodiments, as shown in the third figure, the programmable read-only memory 40 can be further connected to the smart detecting device 10 of the solid state hard disk combined with the plurality of flash memory cards, and the electrical connection is electrically connected. The central processing unit 12, and the direct memory access control unit 38, the direct memory access control unit 38 and the transmission interface 36 are electrically connected to the central processing unit 14, so that the direct memory access control unit 38 can transmit through the transmission interface. 36, controlling access to the direct memory access control in the computer, and a random access memory control unit 42, electrically connected to the central processing unit 12, so that the random access memory control unit 42 can control access to the computer Random access memory.

In summary, the present invention can integrate the storage space of multiple flash memory cards into a large storage device, accelerate the access speed, and detect the health status of each flash memory card to notify the user that the user can be early. The function of backing up or replacing the flash memory card, so that the partially damaged bad flash memory card can be replaced individually, and the entire storage device is not required to be scrapped, so as to save the cost of replacement components, quick maintenance and green recycling function, and Simplify the manufacturing process and save time on test opening time.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.

10‧‧‧Smart detection device for solid state hard disk combined with multiple flash memory cards

12‧‧‧Central processor

14‧‧‧Control unit

16‧‧‧Flash memory card slot

18‧‧‧Flash memory card slot

20‧‧‧Flash memory card slot

22‧‧‧Flash memory card

24‧‧‧Flash memory card

26‧‧‧Flash memory card

28‧‧‧Lighting elements

30‧‧‧Lighting elements

32‧‧‧Lighting elements

34‧‧‧Display unit

36‧‧‧Transport interface

38‧‧‧Direct Memory Access Control Unit

40‧‧‧Programmable read-only memory

42‧‧‧ Random Access Memory Control Unit

The first figure is a device architecture diagram of the present invention.

The second figure is a flow chart of the present invention.

The third figure is a device architecture diagram of another embodiment of the present invention.

10‧‧‧Smart detection device for solid state hard disk combined with multiple flash memory cards

12‧‧‧Central processor

14‧‧‧Control unit

16‧‧‧Flash memory card slot

18‧‧‧Flash memory card slot

20‧‧‧Flash memory card slot

22‧‧‧Flash memory card

24‧‧‧Flash memory card

26‧‧‧Flash memory card

28‧‧‧Lighting elements

30‧‧‧Lighting elements

32‧‧‧Lighting elements

34‧‧‧Display unit

36‧‧‧Transport interface

Claims (18)

An intelligent detecting device for a solid state hard disk combined with a plurality of flash memory cards, comprising: a central processing unit; a control unit electrically connected to the central processing unit and controlled by the central processing unit; complex flash memory a card slot electrically connected to the control unit and configured to insert a plurality of flash memory cards for the control unit to read parameters of the flash memory card, the control unit and returning parameters of the flash memory card The central processing unit is configured to determine the status of the flash memory cards; and the at least one status display unit is electrically connected to the central processing unit and controlled by the central processing unit to display the status of each of the flash memory cards. . The smart type detecting device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1, wherein the display unit is a plurality of light emitting elements, and each of the light emitting elements is correspondingly disposed in each of the flash memory card insertions. a slot, each of the lighting units and controlled by the central processor to display the status of the flash memory card. An intelligent detecting device for a solid state hard disk incorporating a plurality of flash memory cards according to claim 2, wherein the light emitting element is a light emitting diode. The smart detecting device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1, wherein the display unit is a liquid crystal screen. The smart detection device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1 further includes at least one transmission interface for electrically connecting to a computer and transmitting data so that the computer can display the fast The status of the flash memory card. An intelligent detecting device for a solid state hard disk incorporating a plurality of flash memory cards as recited in claim 5, The transmission unit may be a universal serial bus or a serial ATA. The smart detection device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1 further includes a programmable read only memory electrically connected to the central processing unit. The smart detection device of the solid state hard disk combined with the plurality of flash memory cards according to claim 5, further comprising a direct memory access control unit electrically connected to the central processor to enable the direct memory access The control unit can control access to the direct memory access control within the computer. The smart detection device of the solid state hard disk combined with the plurality of flash memory cards according to claim 5, further comprising a random access memory control unit electrically connected to the central processing unit to enable the random access memory The control unit can control access to the random access memory in the computer. The intelligent detecting device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1, wherein the control unit can read the backup area (reserved area) and the reserved area in each of the flash memory cards ( Reserved block) and user defined registers (User defined registers). The intelligent detecting device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1, wherein the parameter read by the control unit is an Erase count to determine the use of the flash memory card. life. The intelligent detecting device of the solid state hard disk combined with the plurality of flash memory cards according to claim 1, wherein the parameter read by the control unit is an error correction code (ECC), a program/erasing Status (Program/Erase status), Cyclic Redundancy Check (CRC), Parity check, customer-defined, bad block number to determine the status of the flash memory card. A smart detection method for a solid state hard disk combined with a plurality of flash memory cards, comprising the following steps: A. reading a plurality of flash memory cards and returning the specifications of the flash memory cards to distinguish the same The specifications of the flash memory card; B. reading the parameters of the flash memory cards, and returning the parameters of the flash memory cards to determine the status of the flash memory cards; and C. according to the The status of the flash memory card sends a display signal to display the status of the flash memory cards, and continues to reply to step B. The smart detection method of the solid state hard disk combined with the plurality of flash memory cards as described in claim 13, wherein the display signal of the step C is capable of emitting light of different colors according to the state of each of the flash memory cards. The smart detection method of the solid state hard disk combined with the plurality of flash memory cards according to claim 14, wherein the state of the flash memory card is a normal state, the green light is emitted, and the state of the flash memory card is required. When it is backed up, it will emit yellow light. If the status of the flash memory card is faulty, it will emit red light. The smart detection method of the solid state hard disk combined with the plurality of flash memory cards according to claim 13, wherein the step b is capable of reading a backup area (reserved area) and a reserved area in each of the flash memory cards. (Reserved block) and user defined registers (User defined registers). The intelligent detection method of the solid state hard disk combined with the plurality of flash memory cards according to claim 13, wherein the step b is an erasable erasure (Erase count) to determine the service life of the flash memory cards. The intelligent detection method of the solid state hard disk combined with the plurality of flash memory cards according to claim 13, wherein the step b is an error correction code (ECC), and a program state (Program/Erase) Status), Cyclic Redundancy Check (CRC), Cyclic Redundancy Check), Parity check, customer-defined, bad block number to determine the status of the flash memory card.