CN100383772C - Automatic power supply running system for computer hard disk - Google Patents
Automatic power supply running system for computer hard disk Download PDFInfo
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- CN100383772C CN100383772C CNB2005100496563A CN200510049656A CN100383772C CN 100383772 C CN100383772 C CN 100383772C CN B2005100496563 A CNB2005100496563 A CN B2005100496563A CN 200510049656 A CN200510049656 A CN 200510049656A CN 100383772 C CN100383772 C CN 100383772C
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Abstract
The present invention relates to an automatic power supply running system for a computer hard disc. The present invention solves the technical problems that through adopting a serial hard disc which supports hot plug, and a supervisory computer mainboard which supports the hot plug and has a serial hard disc interface, the hard disc can automatically supply power to operate and work according to needs and can completely stop work when the power when not needed; under the condition that a computer is not turned off, the hard disc can be changeable. The present invention has the technical scheme that the automatic power supply running system comprises the supervisory computer mainboard, a data interface expansion module, a hard disc control module, a power switch module, a hard disc and a switching power supply, wherein the supervisory computer mainboard is used for providing communication interfaces, and data interfaces which support the hot plug and have serial hard disc interfaces; the data interface expansion module is used for expanding the number of the serial hard disc interface of a supervisory computer; the hard disc control module is used for controlling the automatic power supply operation of the computer hard disc; the power switch module is used for controlling the power supply of each hard disc stored in the hard disc; the hard disc comprises a system hard disc which can independently work, and a storage hard disc which supports the hot plug and can automatically supply power to run; the switching power supply provides stable DC power supply for the overall system. The present invention can be used in the field of computer control.
Description
Technical field
The present invention relates to a kind of Computer Storage control system, specifically, belong to the computer control field by coming the control computer hard disk to power up operation automatically to the requirements for access of hard disk.
Background technology
At present general calculation machine hard-disk system is formed by being installed in the computer housing a plurality of big capacity hard disk, when hard-disk interface is not enough, can utilize adapter increase hard-disk interface, to reach the hard disk sum of required installation.All hard disks are just charged work always after start, even system does not visit some hard disk, these hard disks still need running, the possible visit of waiting system at any time.If start the hard disk sleep mode, under the situation of many hard disks, cause hard disk to be lost easily, so a lot of local hard disk is to work long hours, power consumption exists all the time like this, also can reduce the serviceable life of hard disk; The long-time running of hard disk also can produce heat, and the number of fans in the cabinet also increases with hard disk quantity and increases, and then has increased the power requirement to Switching Power Supply, and fan is many simultaneously also makes flying dust increase, and the stability of system will descend.
Also having a kind of hard-disk system is the hard disk array cabinet that connects by 1394 interfaces or USB interface, independently power supply and blower is arranged in the hard disk array cabinet, though improved the stability of system like this, but in some applications, during as the logarithmic code monitoring video, most of times only operate certain or a few hard disk, but require system that very big storage space is arranged, so all necessary charging operation of total system, this has also caused the very big waste of the system resource and the energy.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of automatic power supply running system for computer hard disk is provided, this system is by adopting the series hard-disk of supporting hot plug and the host computer mainboard of supporting the band serial hard disk interface of hot plug, make hard disk can power up operation work when needed automatically, quitting work fully when not required, and under the situation of not closing computer replaceable hard disk; RS-485 is provided communication port; Can also detection system whether crash and restart system automatically and realize anti-deadlock function; Incoming call is from the function that opens.
The technical solution adopted in the present invention is: automatic power supply running system for computer hard disk is characterized in that system comprises:
The host computer mainboard is used to the data-interface that communication interface and support hot plug is provided, is with serial hard disk interface;
The data-interface expansion module is used to expand the quantity of host computer serial hard disk interface;
Hard disk control module is used for the control computer hard disk and powers up operation automatically;
Power switching module is used for the power supply of each hard disk in the control store hard disk groups;
Hard disk comprises the system disk of independent operating work and supports hot plug, can power up the storage hard disk groups of operation automatically;
Switching Power Supply is used to total system that the galvanic current source is provided.
Described host computer mainboard links to each other with hard disk control module by communication interface, link to each other with the data-interface expansion module by data-interface, data-interface also is connected separately with system disk, the data-interface expansion module is connected with each storage hard disk, and power switching module is connected on Switching Power Supply and respectively stores and controlled by hard disk control module.
Described data-interface expansion module is a wide band switching chip, and its input is connected with the mainboard data-interface, and output has a plurality of ports, is connected with storage hard disc data interface respectively.
Described data-interface expansion module is a multiplication chip, and its input is connected with the mainboard data-interface, and output has a plurality of ports, is connected with storage hard disc data interface respectively.
Described data-interface expansion module is one by wiring board data line in parallel, and its input is connected with the mainboard data-interface, and exporting has a plurality of ports, respectively with store the hard disc data interface and be connected.
Described hard disk control module comprises hard disk control chip, RS-485 conversion chip, 485 interfaces, USB conversion chip, USB interface, by the RXD end and the TXD end of hard disk control chip, be connected with the TXD end with the RXD end of RS-485 conversion chip and USB conversion chip respectively.
Described power switching module is by the parallel port signal of hard disk control chip in the hard disk control module, controls the power supply of corresponding hard disk respectively through triode Q and relay J.
Described Switching Power Supply provides the galvanic current source for total system.
Hard disk control chip in hard disk control module is restarted system by light idol output Restart Signal when system in case of system halt.
Hard disk control chip in hard disk control module is by light idol output enabling signal, and start-up system is started working.
The invention has the beneficial effects as follows: use hard disk in a large number at needs, and in the less demanding computer system of hard disk real-time online, the hard disc data interface has been expanded in this invention, the power consumption and the wearing and tearing of hard disk in the system have been reduced, reduced the quantity of cooling fan, saved the energy of system, made things convenient for the user to start shooting and changed the storage hard disk; This system provides RS-485 communication port; System host is started and restart, strengthen the stability of system.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention
Fig. 2 is a data-interface expansion module synoptic diagram of the present invention
Fig. 3 is circuit theory diagrams of the present invention
Fig. 4 is a software flow pattern of the present invention
Embodiment
Referring to accompanying drawing 1, present embodiment is made up of host computer mainboard 1, data-interface expansion module 2, hard disk control module 3, power switching module 4, seven parts such as storage hard disk groups 5, system disk 6 and Switching Power Supply 7.
Data-interface expansion module 2, the serial hard disk interface number by expansion host computer mainboard satisfies the hard disk quantity that system's needs connect, and when host computer mainboard serial hard disk interface number during greater than connecing hard disk, hard disk can directly link to each other with the host computer mainboard; When the serial hard disk interface number is less than institute when connecing hard disk,, can be divided into a plurality of non-interfaces of working simultaneously to a serial hard disk interface by HF switch chip 2-1 (Fig. 2-1).2-2 can be connected to a plurality of SATA hard disks on the main sata port by serial ports multiplication chip, (this product now is in the sample stage as Si13726 sata port multiplication chip (Fig. 2-2), estimate that the third quater in 2005 can volume production, price price $15/ sheet (ten thousand buyings), this chip is supported " the port multiplication standard 1.1 " in the SATA II standard, the employing bandwidth is divided equally, can be divided into 5 serial ports to a serial ports and work simultaneously.Can be divided into a plurality of non-interfaces of working simultaneously to a serial hard disk interface by data line 2-3 in parallel (Fig. 2-3) in the circuit board.
As shown in Figure 3, hard disk control module 3, RXD end and TXD end by hard disk control chip 3-1 (89C51 series monolithic), in parallel with the RXD of USB conversion chip 3-4 (CP2101) and RS-485 conversion chip 3-2 (SN75176) end and TXD end respectively, the switching of realization host computer mainboard communication interface and hard disk control module and to the control of hard disk operation.USB conversion chip 3-4 is connected with USB interface 3-5, and RS-485 conversion chip 3-2 is connected with RS-485 interface 3-3.
Storage hard disk groups 5 is made up of the series hard-disk of supporting hot plug, as Seagate cruel fish 7200.7.SATA hard disk, has adopted present up-to-date SATA V2.0 specification, and the hard disk power supply wiring also need be supported the power standard of series hard-disk.Storage hard disk quantity is by system's actual needs decision.
System disk 6, the independent operating work of starting shooting all the time, its interface and type can be chosen wantonly.As use the IDE hard-disk interface, then hard disk is also used the hard disk of ide interface; As using SATA serial type interface, then system disk is also used the serial line interface hard disk.
Switching Power Supply 7 is for total system provides the galvanic current source.
Principle of work of the present invention is: referring to Fig. 3 circuit theory diagrams: the hard disk control chip adopts the 89C2051 single-chip microcomputer, and each port designations meaning is:
The input of VCC DC voltage
The TXD serial data sends
The RXD serial data receives
XTAL1, the external crystal oscillator pin of XTAL2, when using the chip internal clock, this pin is used for external quartz crystal and trimmer; When using external clock, be used to connect the external clock pulse signal.
The host computer mainboard uses USB interface or RS-485 interface, but the two can only use one, if connect the USB mouth then can be the RS-485 mouth as the host computer external communication interface.Change serial port chip CP2101 conversion output rs 232 serial interface signal TXD by USB and link to each other with RXD with the TXD of 89C2051 single-chip microcomputer, make USB mouth and microcontroller serial port to exchange visits easily with RXD.By the SN75176 chip RS-485 mouth conversion output rs 232 serial interface signal TXD is linked to each other with RXD with the TXD of 89C2051 single-chip microcomputer with RXD, make RS-485 mouth and microcontroller serial port also can exchange visits easily.
Host computer also can use the RS-232 communication interface, just can interconnect and exchange visits with 89C2051 easily by level transferring chip MC1488 and MC1489.
When the host computer mainboard need be stored hard disk operation to certain, the host computer mainboard is given 89C2051 transmit operation instruction by USB mouth, RS-485 mouth or RS-232 mouth and communication protocol, 89C2051 by corresponding mouthful of line in 8 bidirectional interface lines of P1.0～P1.7 control peripheral triode Q and relay J and necessary hard disc data switch chip action, realizes the switch activated power supply that should store hard disk.
The required power supply of hard disk carries out switch control by relay J, because present series hard-disk only needs 5V and 12V voltage, relay J can select for use two disconnected two to open, or only two opens, and breaking can.If also need 3.3V voltage, can select three disconnected three relays of opening for use.The front end of relay preferably adds filter capacitor, and the rear end adds inductance, to improve the stability of power supply.
By software design, the computer system timing sends signal to 89C2051, and when system in case of system halt, 89C2051 will detect the signal that sends less than system, can hold the transmission Restart Signal to restarting of host computer by P3.4 mouth and the light surround idol circuit of 89C2051.As sending a telegram here again behind the system blackout, then P3.5 mouth and the light surround idol circuit by 89C2051 sends enabling signal to the start end of host computer.As the time of system's timed power on/off is issued 89C2051, then can realize system's automatic time switch machine.
Software flow pattern of the present invention, referring to Fig. 4:
At first, manual installation also is provided with the one-to-one relationship that each stores hard disk and data-interface, to each fdisk and format, on software, hard disk position and quantity are provided with simultaneously in advance, with unnecessary hard disk detection time after the operation of minimizing system.
For use HF switch chip, or the hard disc data line parallel, a serial hard disk interface is divided into a plurality of non-interface circuits of working simultaneously, when starting one of them hard disk, to close another hard disk earlier; To using the interface circuit of serial ports multiplication chip, can start any one hard disk and needn't close the hard disk of current operation earlier, and boot sequence can be arbitrarily.
Incoming call is restarted function: when the hard disk control chip never electricity hard disk control chip under the situation that electricity is arranged cross N after second (N can be that program is determined by writing the hard disk control chip) will start interface end to host computer and send enabling signal startup computing machine.
Anti-deadlock function: if the hard disk control chip is the signal of communication that receives host computer in the time in regulation, just do not restart, and host computer also will regularly be sent out some data useless to hard disk controller when not having Content of Communication, if and just can not be under the situation that master system crashes to hard disk control chip transmission data, hard disk control chip control Restart Signal controller is restarted host computer like this, certainly if shutdown or restart before will send instruction to following controller, so host computer just can not rerun this program till requiring him to move this program again to or control chip powered with different power supplys with switch chip.
Claims (9)
1. automatic power supply running system for computer hard disk is characterized in that system comprises:
Host computer mainboard (1) is used to the data-interface that communication interface and support hot plug is provided, is with serial hard disk interface;
Data-interface expansion module (2) is used to expand the quantity of host computer serial hard disk interface;
Hard disk control module (3) is used for the control computer hard disk and powers up operation automatically;
Power switching module (4) is used for the power supply of each hard disk in the control store hard disk groups;
Hard disk (5) (6) comprises the system disk (6) of independent operating work and supports hot plug, can power up the storage hard disk groups (5) of operation automatically;
Switching Power Supply (7) is used to total system that the galvanic current source is provided;
Described hard disk control module (3) comprises hard disk control chip (3-1), RS-485 conversion chip (3-2), 485 interfaces (3-3), USB conversion chip (3-4), USB interface (3-5), and the RXD end of hard disk control chip (3-1) connects the TXD end of RS-485 conversion chip (3-2) and the RXD end of USB conversion chip (3-4) simultaneously; The TXD end of hard disk control chip (3-1) connects the RXD end of RS-485 conversion chip (3-2) and the TXD end of USB conversion chip (3-4) simultaneously.
2. automatic power supply running system for computer hard disk according to claim 1, it is characterized in that: described host computer mainboard (1) links to each other with hard disk control module (3) by communication interface (1-2), link to each other with data-interface expansion module (2) by data-interface (1-1), data-interface also is connected separately with system disk (6), data-interface expansion module (2) is connected with each storage hard disk (5), and power switching module (4) is connected between Switching Power Supply (7) and each the storage hard disk (5) and is subjected to hard disk control module (3) control.
3. automatic power supply running system for computer hard disk according to claim 1 and 2, it is characterized in that: described data-interface expansion module (2) is a wide band switching chip (2-1), its input is connected with mainboard data-interface (1-1), output has a plurality of ports, is connected with storage hard disc data interface (5-1) respectively.
4. automatic power supply running system for computer hard disk according to claim 1 and 2, it is characterized in that: described data-interface expansion module (2) is a multiplication chip (2-2), its input is connected with mainboard data-interface (1-1), output has a plurality of ports, is connected with storage hard disc data interface (5-1) respectively.
5. automatic power supply running system for computer hard disk according to claim 1 and 2, it is characterized in that: described data-interface expansion module (2) is one by wiring board data line (2-3) in parallel, its input is connected with mainboard data-interface (1-1), output has a plurality of ports, is connected with storage hard disc data interface (5-1) respectively.
6. automatic power supply running system for computer hard disk according to claim 1 and 2, it is characterized in that: described power switching module (4) is by the parallel port signal of hard disk control chip (3-1) in the hard disk control module (3), and a corresponding hard disk power supply is controlled in the combination of each triode through being connected hard disk control chip (3-1) output terminal and relay respectively.
7. automatic power supply running system for computer hard disk according to claim 1 is characterized in that: described Switching Power Supply (7) provides the galvanic current source for total system.
8. automatic power supply running system for computer hard disk according to claim 1 and 2 is characterized in that: the hard disk control chip (3-1) in hard disk control module (3) is restarted system by light idol output Restart Signal when system in case of system halt.
9. automatic power supply running system for computer hard disk according to claim 1 and 2 is characterized in that: the hard disk control chip (3-1) in hard disk control module (3) is by light idol output enabling signal, and start-up system is started working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100496563A CN100383772C (en) | 2005-04-25 | 2005-04-25 | Automatic power supply running system for computer hard disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100496563A CN100383772C (en) | 2005-04-25 | 2005-04-25 | Automatic power supply running system for computer hard disk |
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| CN1687915A CN1687915A (en) | 2005-10-26 |
| CN100383772C true CN100383772C (en) | 2008-04-23 |
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| CNB2005100496563A Expired - Fee Related CN100383772C (en) | 2005-04-25 | 2005-04-25 | Automatic power supply running system for computer hard disk |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101727128B (en) * | 2008-10-23 | 2012-05-09 | 英业达股份有限公司 | Server |
| CN102882084A (en) * | 2011-07-15 | 2013-01-16 | 鸿富锦精密工业（深圳）有限公司 | Hard disk adapter device |
| CN106484073A (en) * | 2016-09-28 | 2017-03-08 | 华为技术有限公司 | The method of energy saving of system and energy conserving system |
| CN107766183B (en) * | 2017-09-12 | 2021-04-13 | 郑州云海信息技术有限公司 | Disk online and offline method and device based on test mechanism |
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- 2005-04-25 CN CNB2005100496563A patent/CN100383772C/en not_active Expired - Fee Related
Patent Citations (7)
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| JPH10255451A (en) * | 1997-03-11 | 1998-09-25 | Pfu Ltd | Method for supplying power to hard disk |
| JPH11203057A (en) * | 1998-01-09 | 1999-07-30 | Nec Corp | Disk array device and its control method |
| TW544586B (en) * | 1999-07-10 | 2003-08-01 | 911 Comp Co Ltd | Auxiliary store selecting circuit for use in computer system with multifunction and selecting method therefor |
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| JP2001216138A (en) * | 2000-02-04 | 2001-08-10 | Hitachi Electronics Service Co Ltd | Compact information processor |
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