CN101505067A - Hard disk power supply system, hard disk switching board and a method for hard disk power supply - Google Patents
Hard disk power supply system, hard disk switching board and a method for hard disk power supply Download PDFInfo
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- CN101505067A CN101505067A CNA2009101187813A CN200910118781A CN101505067A CN 101505067 A CN101505067 A CN 101505067A CN A2009101187813 A CNA2009101187813 A CN A2009101187813A CN 200910118781 A CN200910118781 A CN 200910118781A CN 101505067 A CN101505067 A CN 101505067A
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Abstract
The embodiment of the invention discloses a power supply system for a hard disk, which comprises a battery, at least one hard disk adapter plate and a controller, wherein the battery is used for providing power supply needed by the hard disk; the at least one hard disk adapter plate is used for outputting a first voltage power supply after performing the voltage-stabilizing processing of received power supply from the battery and outputting a second voltage power supply after converting a received power supply voltage from the battery into the second voltage power supply needed by the hard disk; and the controller is used for controlling the on and off of the power of the at least one hard disk adapter plate. In the embodiment of the invention, the hard disk adapter plate outputs a stabilized voltage power supply after performing the voltage-stabilizing processing of the received power supply from the battery, and the voltage variation range during the discharge of the battery is controlled within a range acceptable to the hard disk, so that the hard disk is not damaged and the battery can replace a power supply module to supply power to the hard disk directly. The invention also discloses the hard disk adapter plate and a method for supplying power to the hard disk.
Description
Technical field
The present invention relates to power technique fields, particularly a kind of hard disk electric power system and hard disk connector.
Background technology
Protect in cache memory (cache) disk storage system in power down, hard disk adopts distributed power supply usually, and, adopt power module to be its power supply, promptly the power supply from battery that will be received by power module is given to hard disk.Power module of the prior art has been widely used in the communications field and automotive electronics, Aero-Space etc. such as switching equipment, access device, mobile communication, router.Have short, characteristics such as reliability is high, system upgrade is easy of design cycle owing to adopt module to set up power-supply system, the application of power module more and more widely.Especially in recent years because the develop rapidly of data service and the continuous popularization of distributed power supply system are also more and more to the application of power module.Since the existence of power module, thereby can guarantee in working long hours that the supply voltage that is provided is stable, thus guarantee that hard disk runs well.
But, the inventor finds that in the process that realizes prior art there is following defective at least in prior art: can not directly be powered by the 12V battery after the power module power down, because the change in voltage scope during battery discharge is usually at 9～13V, the excursion that has exceeded the 12V power supply desired 11.4～12.6 of hard disk, the problem that can cause starting hard disk or burn hard disk.
Summary of the invention
The embodiment of the invention provides a kind of hard disk electric power system, hard disk connector and a kind of method to the hard disk power supply, so that battery can the substitute electric power module directly be powered to hard disk.
The embodiment of the invention provides a kind of hard disk electric power system, comprising:
The power supply that provides hard disk required is provided battery;
At least one hard disk connector, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source, and, export after the supply voltage from battery that receives is converted to second voltage source that hard disk needs;
Controller is used to control described at least one hard disk connector and powers on or cut off the power supply.
The embodiment of the invention also provides a kind of hard disk connector, comprising:
Voltage stabilizing circuit, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source;
Voltage conversion circuit is exported after the supply voltage from battery that receives is converted to second voltage source that hard disk needs.
The embodiment of the invention also provides a kind of method to the hard disk power supply, comprising:
Obtain power supply from battery;
The described power supply that obtains from battery is carried out voltage stabilizing handle back output first voltage source, and, be to export behind second voltage source that needs of hard disk to the described power source conversion of obtaining from battery;
Controlling at least one hard disk powers on or cuts off the power supply.
Use the embodiment of the invention, by hard disk connector the power supply from battery that receives is carried out power supply after back output voltage stabilizing is handled in voltage stabilizing, change in voltage scope during with battery discharge has been controlled in the acceptable scope of hard disk, can not cause damage, make battery the substitute electric power module directly to power hard disk to hard disk.Owing to can freely control each hard disk power-on and power-off, thereby can realize that automatic hot-inserting pulls out hard disk.Have again, use embodiment provided by the invention, make that the selection of battery is more flexible.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a hard disk electric power system structural representation according to an embodiment of the invention;
Fig. 2 is a hard disk electric power system structural representation according to another embodiment of the present invention;
Fig. 3 is the hard disk electric power system structural representation according to a preferred embodiment of the present invention;
Fig. 4 is the structural representation according to a kind of hard disk connector of the embodiment of the invention;
Fig. 5 is a kind of method flow diagram to the hard disk power supply according to the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of hard disk electric power system, and referring to Fig. 1, it comprises: battery 101 and at least one hard disk connector 102, wherein,
The power supply that provides hard disk required is provided battery 101;
At least one hard disk connector 102, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source, and, export after the supply voltage from battery that receives is converted to second voltage source that hard disk needs.
First voltage source and second voltage source of above-mentioned hard disk connector 102 outputs directly flow to hard disk 104.The power supply of each hard disk connector output is connected to a hard disk respectively.
In addition, above-mentioned hard disk electric power system can also comprise controller 103, is used to control described at least one hard disk connector 102 and powers on or cut off the power supply, thereby realize control that distributed hard disk is powered on or cuts off the power supply.Be appreciated that, because each hard disk unit all has independently first voltage source such as 12V power supply and second voltage source such as 5V power supply, thereby any one hard disk unit breaks down and all can realize Fault Isolation, because the existence of controller 103, can control each hard disk connector powers on or cuts off the power supply, promptly be equivalent to freely to control each hard disk power-on and power-off like this, and then can realize that automatic hot-inserting pulls out hard disk for each hard disk connector has increased by a switch.
The required power supply of the hard disk that above-mentioned battery provided is the 12V power supply, and first voltage source of output is the 12V power supply after voltage stabilizing is handled; Second voltage source that hard disk needs is the 5V power supply.
Referring to Fig. 2, it is a hard disk electric power system structural representation according to another embodiment of the present invention, and the difference of itself and Fig. 1 is that a plurality of hard disk connectors are arranged, and all the other and Fig. 1 are identical, repeat no more.
Use the hard disk electric power system that the embodiment of the invention provides, the power supply from battery 101 that is received by 102 pairs of hard disk connectors carries out the power supply after back output voltage stabilizing is handled in voltage stabilizing, thereby the change in voltage scope during with battery 101 discharges has been controlled in the acceptable scope of hard disk, can not cause damage, make battery 101 the substitute electric power module directly to power hard disk to hard disk.And, owing to can freely control each hard disk power-on and power-off, thus can realize that automatic hot-inserting pulls out hard disk.
Have again, use embodiment provided by the invention, make that the selection of battery is more flexible, and can reduce the cost of hard disk electric power system, improve cost performance.
Referring to Fig. 3, it is the hard disk electric power system structural representation according to a preferred embodiment of the present invention, and this hard disk electric power system comprises battery 301 and at least one hard disk connector 302, wherein,
The 12V power supply that provides hard disk required is provided battery 301, and needing the voltage of described battery 301 when discharge of explanation is 9-13V;
At least one hard disk connector 302, the 12V power supply that the power supply from battery 301 that is used for receiving carries out after the output voltage stabilizing of voltage stabilizing processing back is first voltage source, and, the supply voltage from battery 301 that receives is converted to behind the 5V i.e. second voltage source of output 5V power supply.
Above-mentioned hard disk connector 302 may further include: voltage stabilizing circuit 3021 and voltage conversion circuit 3022, wherein,
The 12V power supply that voltage stabilizing circuit 3021, the power supply from battery 301 that is used for receiving carry out after the output voltage stabilizing of voltage stabilizing processing back is first voltage source;
In the embodiment of the invention not the specific implementation to voltage stabilizing circuit limit, promptly any circuit of voltage stabilizing function of can realizing can be applied in the embodiment of the invention.
In the embodiment of the invention not the specific implementation to power-switching circuit limit, promptly any circuit of voltage conversion function of can realizing can be applied in the embodiment of the invention.
Two power supplys (being 12V power supply and 5V power supply) of above-mentioned hard disk connector 302 outputs directly flow to hard disk 304.The 12V and the 5V power supply that are appreciated that each hard disk connector output are connected to a hard disk respectively.
In addition, above-mentioned hard disk electric power system can also comprise controller 303, is used to control described at least one hard disk connector and powers on or cut off the power supply, thereby realize control that distributed hard disk is powered on or cuts off the power supply.
The battery of the above-mentioned 12V of providing power supply can be a 12V battery, can also be the battery of three joint 4.2V, or the uninterrupted power supply (ups) Unity of 12V, need to prove that described battery is 9-13V at the time voltage of discharge.
Use the hard disk electric power system that the embodiment of the invention provides, the power supply from battery that is received by 302 pairs of hard disk connectors carries out the 12V power supply after back output voltage stabilizing is handled in voltage stabilizing, like this, 12V output voltage stabilizing circuit in the hard disk connector 302 can boost when battery capacity is low, just charge piezoelectric voltage when high step-down to satisfy the requirement of hard disk voltage.Like this battery charging and discharging voltage range can accomplish very wide, as 9～13V; And the 5V power supply is owing to be to be converted by 12V, and its input is less demanding to the fluctuation range of 12V, and voltage is stable after conversion, makes battery 301 the substitute electric power module directly to power to hard disk.And, owing to can freely control each hard disk power-on and power-off, thus can realize that automatic hot-inserting pulls out hard disk.
Have again, use embodiment provided by the invention, make that the selection of battery is more flexible, even can come to be the hard disk power supply with the three joint lithium batteries (under the less situation of power consumption) of 4.2V.
Have, use embodiment provided by the invention, because charging voltage can be higher, discharge voltage can be lower, and single battery capacity is required to reduce, and reduced the cost of hard disk electric power system.
Have, use embodiment provided by the invention, can also power to system with the UPS of 12V, more traditional 220V UPS cost performance is higher;
To sum up, in disk system, use distributed autonomous power supply system more, only need to increase a 12V output voltage stabilizing circuit and just can satisfy above-mentioned application, the cost performance height at existing system.
Referring to Fig. 4, it is the structural representation according to a kind of hard disk connector of the embodiment of the invention.This hard disk connector comprises
The 12V power supply that voltage stabilizing circuit 401, the power supply from battery that is used for receiving carry out after the output voltage stabilizing of voltage stabilizing processing back is first voltage source;
In the embodiment of the invention not the specific implementation to voltage stabilizing circuit limit, promptly any circuit of voltage stabilizing function of can realizing can be applied in the embodiment of the invention.
In the embodiment of the invention not the specific implementation to power-switching circuit limit, promptly any circuit of voltage conversion function of can realizing can be applied in the embodiment of the invention.
The above-mentioned power supply from battery that receives can be the 12V power supply, need to prove that the voltage of described battery when discharge is 9-13V, and first voltage source of output is the 12V power supply after voltage stabilizing is handled; Second voltage source that hard disk needs is the 5V power supply.
Use the hard disk connector that the embodiment of the invention provides, the power supply from battery that utilizes 401 pairs of described voltage stabilizing circuits to receive carries out voltage stabilizing to be handled, and after the 12V supply voltage from battery that utilizes described voltage conversion circuit 402 to receive is converted to second voltage source of hard disk needs, power supply after the output voltage stabilizing, change in voltage scope during with battery discharge has been controlled in the acceptable scope of hard disk, can not cause damage, make battery the substitute electric power module directly to power hard disk to hard disk.
Have again, use embodiment provided by the invention, make that the selection of battery is more flexible, even can come to be the hard disk power supply with the three joint lithium batteries (under the less situation of power consumption) of 4.2V.
Have, use embodiment provided by the invention, because charging voltage can be higher, discharge voltage can be lower, and single battery capacity is required to reduce, and reduced the cost of hard disk electric power system.
Have, use embodiment provided by the invention, can also power to system with the UPS of 12V, more traditional 220V UPS cost performance is higher;
To sum up, in disk system, use distributed autonomous power supply system more, only need to increase a 12V output voltage stabilizing circuit and just can satisfy above-mentioned application, the cost performance height at existing system.
The embodiment of the invention also provides a kind of method to the hard disk power supply, referring to Fig. 5, comprising:
Step 501 is obtained power supply from battery; Should obtain power supply from battery can be the 12V power supply, wherein, battery can be a 12V battery, perhaps, the battery of three joint 4.2V, perhaps, the uninterrupted power supply UPS of 12V need to prove that the voltage of described battery when discharge is 9-13V.
Step 502 is carried out voltage stabilizing to the described power supply that obtains from battery and is handled back output first voltage source, and, be to export behind second voltage source that needs of hard disk to the described power source conversion of obtaining from battery.
In the present embodiment, first voltage source of being exported is the 12V power supply, and second voltage source is the 5V power supply.
Wherein, the detailed process of the power supply that obtains from battery being carried out the voltage stabilizing processing is same as the prior art, repeats no more.To the power source conversion of obtaining from battery is that second voltage source that hard disk needs is that the process of 5V power supply is also identical with prior art, repeats no more.
Have, method shown in Figure 5 can further include step 503 again, is used for powering on or cutting off the power supply by controlling at least one hard disk connector, distributed hard disk is powered on or cuts off the power supply thereby control each.Be appreciated that, because each hard disk unit all has independently 12V power supply and 5V power supply, thereby any one hard disk unit breaks down and all can realize Fault Isolation, because can control at least one hard disk connector by controller powers on or cuts off the power supply, thereby can control each hard disk connector and power on or cut off the power supply, promptly be equivalent to freely to control each hard disk power-on and power-off like this, and then can realize that automatic hot-inserting pulls out hard disk for each hard disk connector has increased by a switch.
Use the method that the embodiment of the invention provides to the hard disk power supply, by hard disk connector the power supply from battery that receives is carried out 12V power supply after back output voltage stabilizing is handled in voltage stabilizing, like this, 12V output voltage stabilizing circuit in the hard disk connector can boost when battery capacity is low, just charge piezoelectric voltage when high step-down to satisfy the requirement of hard disk voltage.Like this battery charging and discharging voltage range can accomplish very wide, as 9～13V; And the 5V power supply is owing to be to be converted by 12V, and its input is less demanding to the fluctuation range of 12V, and voltage is stable after conversion, makes battery the substitute electric power module directly to power to hard disk.Owing to can freely control each hard disk power-on and power-off, and then can realize that automatic hot-inserting pulls out hard disk.
Have again, use embodiment provided by the invention, make that the selection of battery is more flexible, even can come to be the hard disk power supply with the three joint lithium batteries (under the less situation of power consumption) of 4.2V.
Have, use embodiment provided by the invention, because charging voltage can be higher, discharge voltage can be lower, and single battery capacity is required to reduce, and reduced the cost of hard disk electric power system.
Have, use embodiment provided by the invention, can also power to system with the UPS of 12V, more traditional 220V UPS cost performance is higher;
To sum up, in disk system, use distributed autonomous power supply system more, only need to increase a 12V output voltage stabilizing circuit and just can satisfy above-mentioned application, the cost performance height at existing system.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method execution mode is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, here the alleged storage medium that gets, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (12)
1, a kind of hard disk electric power system is characterized in that, comprising:
The power supply that provides hard disk required is provided battery;
At least one hard disk connector, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source, and, export after the supply voltage from battery that receives is converted to second voltage source that hard disk needs;
Controller is used to control described at least one hard disk connector and powers on or cut off the power supply.
2, system according to claim 1, described hard disk connector comprises:
Voltage stabilizing circuit, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source;
Voltage conversion circuit is exported after the supply voltage from battery that receives is converted to second voltage source that hard disk needs.
3, system according to claim 1 is characterized in that, first voltage source that back output is handled in described voltage stabilizing is the 12V power supply.
4, system according to claim 1 is characterized in that,
Second voltage source that described hard disk needs is the 5V power supply.
5, system according to claim 3, described battery comprises: a 12V battery, perhaps, the battery of three joint 4.2V, perhaps, the uninterrupted power supply UPS of 12V.
6, a kind of hard disk connector is characterized in that, comprising:
Voltage stabilizing circuit, the power supply from battery that is used for receiving carry out voltage stabilizing and handle back output first voltage source;
Voltage conversion circuit, the supply voltage from battery that is used for receiving are exported after being converted to second voltage source of hard disk needs.
7, hard disk connector according to claim 6 is characterized in that, first voltage source that back output is handled in described voltage stabilizing is the 12V power supply.
8, system according to claim 6 is characterized in that,
Second voltage source that described hard disk needs is the 5V power supply.
9, a kind of method to the hard disk power supply is characterized in that, comprising:
Obtain power supply from battery;
The described power supply that obtains from battery is carried out voltage stabilizing handle back output first voltage source, and, be to export behind second voltage source that needs of hard disk to the described power source conversion of obtaining from battery;
Controlling at least one hard disk powers on or cuts off the power supply.
10, method according to claim 9 is characterized in that, first voltage source that back output is handled in described voltage stabilizing is the 12V power supply.
11, method according to claim 9 is characterized in that,
Second voltage source that described hard disk needs is the 5V power supply.
12, method according to claim 9 is characterized in that, described battery is: a 12V battery, perhaps, the battery of three joint 4.2V, perhaps, the uninterrupted power supply UPS of 12V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101187813A CN101505067B (en) | 2009-03-11 | 2009-03-11 | Hard disk power supply system, hard disk switching board and a method for hard disk power supply |
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| CN2009101187813A CN101505067B (en) | 2009-03-11 | 2009-03-11 | Hard disk power supply system, hard disk switching board and a method for hard disk power supply |
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| CN101505067A true CN101505067A (en) | 2009-08-12 |
| CN101505067B CN101505067B (en) | 2011-01-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262327A (en) * | 2014-07-14 | 2016-01-20 | 李东升 | Power supply conversion circuit capable of bearing load with high peak current characteristic |
| CN106326154A (en) * | 2016-08-09 | 2017-01-11 | 杭州宏杉科技有限公司 | Control circuit and control method of hard disk address |
| CN106502596A (en) * | 2016-11-22 | 2017-03-15 | 郑州云海信息技术有限公司 | A kind of storage server hard disc archetecture |
| CN111313701A (en) * | 2019-04-09 | 2020-06-19 | 成都芯源系统有限公司 | Power supply and method for controlling power supply of power supply |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG122734A1 (en) * | 1999-07-23 | 2006-06-29 | Walter Roland Chen | AC/DC adapter 110/230 volts, with multiple dc outputs |
| JP2005115771A (en) * | 2003-10-09 | 2005-04-28 | Hitachi Ltd | Disk array system |
| JP2005228254A (en) * | 2004-02-16 | 2005-08-25 | Hitachi Ltd | Memory device |
-
2009
- 2009-03-11 CN CN2009101187813A patent/CN101505067B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262327A (en) * | 2014-07-14 | 2016-01-20 | 李东升 | Power supply conversion circuit capable of bearing load with high peak current characteristic |
| CN105262327B (en) * | 2014-07-14 | 2018-05-08 | 宸定科技股份有限公司 | Power supply conversion circuit capable of bearing load with high peak current characteristic |
| CN106326154A (en) * | 2016-08-09 | 2017-01-11 | 杭州宏杉科技有限公司 | Control circuit and control method of hard disk address |
| CN106502596A (en) * | 2016-11-22 | 2017-03-15 | 郑州云海信息技术有限公司 | A kind of storage server hard disc archetecture |
| CN111313701A (en) * | 2019-04-09 | 2020-06-19 | 成都芯源系统有限公司 | Power supply and method for controlling power supply of power supply |
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| Publication number | Publication date |
|---|---|
| CN101505067B (en) | 2011-01-05 |
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