CN102545279A - Power supply system for data center - Google Patents
Power supply system for data center Download PDFInfo
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- CN102545279A CN102545279A CN2010105897405A CN201010589740A CN102545279A CN 102545279 A CN102545279 A CN 102545279A CN 2010105897405 A CN2010105897405 A CN 2010105897405A CN 201010589740 A CN201010589740 A CN 201010589740A CN 102545279 A CN102545279 A CN 102545279A
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Abstract
The invention relates to a power supply system for a data center. The power supply system comprises an auxiliary power supply unit, as well as a server unit and a control unit, which are connected with the auxiliary power supply unit, wherein the server unit comprises at least one server; the auxiliary power supply unit comprises a rectification module, a power accumulation module and an inversion module; the auxiliary power supply unit further comprises a switch circuit connected with the control unit; the control unit is used for sensing the peripheral environment of the server unit, sending different control signals to the switch circuit, and controlling the switch circuit to switch between on and off states; when the switch circuit is switched off, the auxiliary power supply unit outputs alternating current; and when the switch circuit is switched on, the auxiliary power supply unit outputs direct current.
Description
Technical field
The invention relates to a kind of power-supply system, refer to a kind of power-supply system of data center especially.
Background technology
Development along with information technology; Kownledge economy is explosive growth, is the needs of storage and operational data, and Various types of data storage and computing center are set up in a large number; When packing a plurality of servers into server cabinet formation data center simultaneously; Not only save the space and be convenient to management, and more can make a plurality of server synthetic operations carry out big computing project, therefore adopt the mode that server cabinet is set up storage and computing center extensively to be adopted.
Because the importance of server operation, being at least server usually provides uninterrupted power supply as stand-by power supply, to ensure that server also can normally move under the disabled occasion of mains supply.Comprise rectifier, storage battery and inverter in this UPS.Adopt the stand-by power supply of UPS as server, when the mains supply normal power supply, the alternating current that the rectifier of UPS provides mains supply converts the direct current accumulators to charging voltage is provided, the accumulators store electric energy, and mains supply is supplied power to server simultaneously; When mains supply was unavailable, the storage battery in the UPS discharged electric energy, and the direct current that inverter discharges storage battery electric energy and provides converts alternating current to and supplies power to server.Yet; After converting alternating current to, the direct current that above-mentioned UPS inverter in the mode of server power supply discharges electric energy with storage battery to be provided supplies power to server; And server end receives the direct current that needs again alternating current is converted to specific size behind the alternating current; Make to have multistage energy loss, reduce energy use efficiency, and reduce the time that UPS keeps the server operation.
In order to save electric energy loss; Can make it directly export the mode of HVDC through transforming UPS to the server power supply; Yet this kind UPS does not have versatility in use; And adopt this kind mode possibly endanger in the server course of work safety, thereby do not meet the electrical safety standard near the staff of server to server power supply.How to improve the electric energy service efficiency safely and effectively, be the target of the anxious effort of technical staff in the industry.
Summary of the invention
In view of above content, be necessary to provide a kind of and can improve the power-supply system of the data center of electric energy service efficiency safely and effectively.
A kind of power-supply system of data center comprises an auxilliary power subsystem, assists a server unit and the control unit that power subsystem is connected with this, and this server unit comprises at least one server; Should comprise a rectification module, a power storage module and an inversion module by auxilliary power subsystem; Should also comprise a switching circuit that is connected with control unit by auxilliary power subsystem, the peripheral environment of this this server unit of control unit sensing and send Different control signal to switching circuit is switched between disconnection and closure with control switch circuit respectively; When switching circuit breaks off; Auxilliary power subsystem output AC electricity, when switching circuit is closed, auxilliary power subsystem output DC.
Compared to prior art; Comprise a control unit in the power-supply system of this data center; This control unit according to the peripheral environment of server unit and the control switch circuit in break off and closure between switch, thereby the auxilliary power subsystem output AC electricity of control or directly electricity respectively, through the switching of two kinds of supply power modes; Can whole reduce the electric energy loss of power-supply system when server is supplied power, improve energy use efficiency; Can avoid simultaneously the HVDC power supply to the issuable potentiality harm of human body, make it meet the electrical safety standard, thereby reach the purpose that improves the electric energy service efficiency safely and effectively.
Description of drawings
Fig. 1 is the circuit module figure of power-supply system of the data center of one embodiment of the invention.
The main element symbol description
| The power-supply system of |
100 |
| The main |
10 |
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20 |
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21 |
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22 |
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23 |
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24 |
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30 |
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| The |
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Embodiment
See also Fig. 1, be depicted as the sketch map of the power-supply system 100 of data center in one embodiment of the invention, it comprises a main power source unit 10, an auxilliary power subsystem 20, a control unit 30, a supply socket unit 40 and a server unit 50.In the present embodiment, this data center is that integral installation is stated from the container with the convenient counter formula data center that moves.
This main power source unit 10 is an AC power.Should be electrically connected with main power source unit 10 by auxilliary power subsystem 20, it comprise a uninterrupted power supply (Uninterruptible Power Supply, UPS).This UPS comprises a rectification module 21, a power storage module 22, an inversion module 23 and a switching circuit 24.This rectification module 21 is used for converting the alternating current that main power source unit 10 is provided to direct current, to give power storage module 22 charging voltage is provided.Storage of electrical energy when this power storage module 22 is used in the main power source unit 10 power supplies, and when UPS uses as power supply, discharge electric energy with power supply to related load, like server unit 50.This power storage module 22 to discharge electric energy be direct current, this inversion module 23 is used for converting the direct current that power storage module 22 provides to alternating current and externally output.Use because the electronic installation in the life all can only connect AC power usually, this inversion module 23 converts the direct current of power storage module 22 outputs to alternating current output and makes UPS can cooperate different electronic installations to use and have versatility.This switching circuit 24 is parallelly connected with inversion module 23.This switching circuit 24 can be used for playing the circuit of on-off action with make-and-break contact for transistor switching circuit, FET switch circuit etc.In the present embodiment, because switching circuit 24 is parallelly connected with inversion module 23, when switching circuit 24 broke off, inversion module 23 converted the direct current of power storage module 22 outputs to alternating current output; When switching circuit 24 closures, inversion module 23 is by short circuit, thereby power storage module 22 direct output of DC current.Therefore, switching circuit 24 switches between disconnection and closure, makes UPS corresponding to switching between output AC electricity and the direct current.
This control unit 30 comprises an inductor 32 and a controller 34.Control unit 30 is connected with switching circuit 24.This inductor 32 is used for the surrounding enviroment of sensing server unit 50, in the container like this counter formula data center whether the people is arranged, when sensing nobody the time, then send one first and control signal to UPS and make switching circuit 24 closures through controller 34; As sensing man-hour is arranged, then send one second and control signal to UPS and make switching circuit break off through controller 34.The mode of these inductor 32 sensings can be modes such as vibration-sensing, sound sensing or infrared ray sensing.
This supply socket unit 40 is that (Power Distribution Unit, PDU), it possesses the function of the distribution and the management of power supply to the special-purpose power supply power supply unit of a rack.
This server unit 50 comprises a power supply unit 55 and the some servers 53 that are electrically connected with this power supply unit 55.When this power supply unit 55 connected AC power, this power supply unit 55 was accepted the alternating current that this AC power provides, and the direct current that converts specific size after its rectification and the step-down to is offered the server 53 in the server unit 50.When this power supply unit 55 connected DC power supply, this power supply unit 55 was accepted the direct current that this DC power supply provides, and the direct current that converts specific size after its step-down to is offered the server 53 in the server unit 50.
When assisting power subsystem 20 when server 53 is supplied power through being somebody's turn to do, the switching circuit 24 in the UPS is in the state of disconnection, thereby the direct current that inversion module 23 provides power storage module 22 converts alternating current to server 53 electric energy to be provided.Simultaneously, the inductors 32 in the control unit 30 begin whether to have in the surrounding environment of sensing server unit 50 constantly the people near.When inductor 32 sensings nobody the time, controller 34 sends first and controls signal to UPS and make switching circuit 24 closures, thereby makes inversion module 23 by short circuit, UPS through power storage module 22 direct output of DC current electric energy to be provided to server 53; When inductor 32 sensings have man-hour, controller 34 sends second and controls signal to UPS and make switching circuit 24 break off, inversion module 23 operate as normal and convert the direct current of power storage module 22 outputs to alternating current to server 53 electric energy to be provided.
Owing to do not need personnel operation usually under this data center's running status; Control unit 30 is controlled switching circuit 24 closures in the UPS according to the unmanned environment for use of server unit 50 peripheries; The UPS direct output of DC current; The direct current that the direct current that the power supply unit 55 of server unit 50 provides UPS again is directly changed into specific size offers server 53 respectively; This kind supply power mode is compared the supply power mode that UPS output AC electricity offers server 53 and has been reduced the two-stage electric energy loss, thereby has improved energy use efficiency, has increased the time that this UPS keeps server 53 operations.Have only the personnel that when data center needs repairing or safeguards, just have near operation; The interior switching circuit 24 of control unit 30 control UPS this moment breaks off; The UPS output AC; To avoid HVDC to supply power the issuable potentiality of human body is endangered, thereby meet the electrical safety standard, meet the safety requirement.Switch with exchanging between two kinds of supply power modes in the output direct current through control UPS in the power-supply system 100 of this data center; At least can save the electric energy more than 6%; Not only can improve the electric energy service efficiency safely and effectively, and not influence the versatility that UPS uses.
Claims (8)
1. the power-supply system of a data center; Comprise that an auxilliary power subsystem reaches and be somebody's turn to do the server unit that auxilliary power subsystem is connected, this server unit comprises at least one server, and this auxilliary power subsystem comprises a rectification module, a power storage module and an inversion module; It is characterized in that: also comprise a control unit; Should also comprise a switching circuit that is connected with this control unit by auxilliary power subsystem, the peripheral environment of this this server unit of control unit sensing and send Different control signal to switching circuit is switched between disconnection and closure with control switch circuit respectively; When switching circuit breaks off; Auxilliary power subsystem output AC electricity, when switching circuit is closed, auxilliary power subsystem output DC.
2. the power-supply system of data center as claimed in claim 1, it is characterized in that: this switching circuit and inversion module are connected in parallel.
3. the power-supply system of data center as claimed in claim 1; It is characterized in that: this control unit comprises a transducer and a controller; Whether the peripheral environment that this transducer is used for this server unit of sensing has the people; When the transducer sensing nobody the time, controller sends first and controls signal to switching circuit and make switching circuit closed; When the transducer sensing has man-hour, controller sends second and controls signal to switching circuit and make switching circuit break off.
4. the power-supply system of data center as claimed in claim 3, it is characterized in that: the mode of this transducer sensing is vibration-sensing, sound sensing or infrared ray sensing.
5. the power-supply system of data center as claimed in claim 1; It is characterized in that: also comprise the main power source unit that alternating current is provided to auxilliary power subsystem; This rectification module converts the alternating current that the main power source unit provides to direct current, to power storage module charging voltage to be provided.
6. the power-supply system of data center as claimed in claim 1 is characterized in that: this power storage module provides direct current when discharging electric energy, and when switching circuit broke off, the direct current that inversion module provides power storage module was exported after converting alternating current to; When switching circuit was closed, inversion module was by short circuit, the external output DC of power storage module.
7. the power-supply system of data center as claimed in claim 1 is characterized in that: also comprise a supply socket unit that is connected between said auxilliary power subsystem and the server unit.
8. the power-supply system of data center as claimed in claim 1, it is characterized in that: this server unit comprises a power supply unit, the quantity of this at least one server is a plurality of, and is electrically connected with this power supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105897405A CN102545279A (en) | 2010-12-15 | 2010-12-15 | Power supply system for data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105897405A CN102545279A (en) | 2010-12-15 | 2010-12-15 | Power supply system for data center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102545279A true CN102545279A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105897405A Pending CN102545279A (en) | 2010-12-15 | 2010-12-15 | Power supply system for data center |
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|---|---|
| CN (1) | CN102545279A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1014131A (en) * | 1996-06-21 | 1998-01-16 | Hitachi Ltd | Uninterruptible power unit provided with dc output |
| CN101075751A (en) * | 2006-05-16 | 2007-11-21 | 株式会社理光 | Power supply device, method thereof, and image forming device |
| CN201584805U (en) * | 2009-12-17 | 2010-09-15 | 佛山市柏克电力设备有限公司 | Peaceful project monitoring uninterruptible power supply |
| CN201615434U (en) * | 2010-02-09 | 2010-10-27 | 苏州东大光普科技有限公司 | Solar sensing LED illuminating device in corridor |
-
2010
- 2010-12-15 CN CN2010105897405A patent/CN102545279A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1014131A (en) * | 1996-06-21 | 1998-01-16 | Hitachi Ltd | Uninterruptible power unit provided with dc output |
| CN101075751A (en) * | 2006-05-16 | 2007-11-21 | 株式会社理光 | Power supply device, method thereof, and image forming device |
| CN201584805U (en) * | 2009-12-17 | 2010-09-15 | 佛山市柏克电力设备有限公司 | Peaceful project monitoring uninterruptible power supply |
| CN201615434U (en) * | 2010-02-09 | 2010-10-27 | 苏州东大光普科技有限公司 | Solar sensing LED illuminating device in corridor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |