CN103715763B - The system that IDC machine room energy-saving is powered is provided - Google Patents
The system that IDC machine room energy-saving is powered is provided Download PDFInfo
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- CN103715763B CN103715763B CN201410024986.6A CN201410024986A CN103715763B CN 103715763 B CN103715763 B CN 103715763B CN 201410024986 A CN201410024986 A CN 201410024986A CN 103715763 B CN103715763 B CN 103715763B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention discloses the system providing IDC machine room energy-saving to power: Alternating Current Power Supply unit, high voltage direct current power supply unit and decentralized power supply switch unit, Alternating Current Power Supply unit carries out rectification process generation Rectified alternating current to civil power and inputs to decentralized power supply switch unit, and is the charging of high voltage direct current power supply unit; The power supply that high voltage direct current power supply unit receives Alternating Current Power Supply unit is charged, and exports direct current to decentralized power supply switch unit; Decentralized power supply switch unit is monitored according to preset time sampling the Rectified alternating current that the Alternating Current Power Supply unit received exports, when the power failure duration monitoring Rectified alternating current is not less than the preset time interval, turn off the output of Alternating Current Power Supply unit, and the output of conducting high voltage direct current power supply unit, export direct current to information technoloy equipment and power.The present invention is difficult to promote with the power supplying efficiency solving electric power system in IDC machine room, and can not ensure the problem of power supply safety when system power is larger after promoting power supplying efficiency.
Description
Technical field
The present invention relates to energy-conservation for electrical domain, specifically, relate to the system that a kind of IDC of providing machine room energy-saving is powered.
Background technology
IDC(InternetDataCenter, Internet data center), be based on Internet network, the equipment for centralised collection, storage, process and transmission data provides the facility of operation maintenance.IDC provides domain name registration inquiry, resource hires out (as fictitious host computer business, data storage service), system maintenance (system configuration, data backup, failture evacuation service), management service (as Bandwidth Management, flow analysis, load balancing, intrusion detection, system vulnerability diagnosis), and the business such as other support, operation services.IDC, as important network hinge, in order to ensure that it normally runs, needs a large amount of power consumption, thus, will consider to carry out energy-conservation power supply to IDC machine room, in prior art, still there is problem:
(1) 240V high voltage direct current is adopted to power (hereinafter referred to as HVDC, high-voltagedirectcurrent, namely high voltage direct current is powered) system alternative interchange UPS(UninterruptiblePowerSystem, uninterrupted power supply) system is to IT(internetTechnology, Internet technology) equipment powers, fundamentally solve IT system power supply safety problem, " a kind of information technoloy equipment dual power supply system and method " (application number is: patent 201310045615.1), it is by HVDC and civil power Combination application, for the equipment of dual power supply, electric energy service efficiency can bring up to 97%, equipment electric energy service efficiency for single power supply can bring up to 95%.But, due to the restriction of equipment dependability in the technical scheme of this patent, be difficult to improve electric energy service efficiency further.
(2) off-line UPS technology, although the efficiency of electric power system can be improved, but because inverter bringing onto load during mains failure switches, when system power is larger, security performance can not meet the requirement of information technoloy equipment, for a long time, important communication network and larger IT system are not used always.
(3) patent of " a kind of machine room distributed power supply system " (application number is: 201210059843.X), adopt distributing civil power and HVDC switched system, solve the safety problem of off-line UPS, but the construction cost of this art solutions is higher, maintenance workload is large, is unsuitable for large-scale IDC machine room.
Therefore, the power supplying efficiency how solving electric power system in IDC machine room is difficult to promote, and can not ensure power supply safety when system power is larger after lifting power supplying efficiency, just becomes technical problem urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is to provide the system that a kind of IDC of providing machine room energy-saving is powered, be difficult to promote with the power supplying efficiency solving electric power system in IDC machine room, and the problem of power supply safety can not be ensured when system power is larger after promoting power supplying efficiency.
For solving the problems of the technologies described above, the invention provides the system that a kind of IDC of providing machine room energy-saving is powered, coupling mutually with the information technoloy equipment in IDC machine room, it is characterized in that, comprise: Alternating Current Power Supply unit, high voltage direct current power supply unit and decentralized power supply switch unit, wherein
Described Alternating Current Power Supply unit, couple mutually with described high voltage direct current power supply unit and decentralized power supply switch unit, input to described decentralized power supply switch unit for carrying out rectification process generation Rectified alternating current to civil power, and be the charging of described high voltage direct current power supply unit;
Described high voltage direct current power supply unit, couples mutually with described Alternating Current Power Supply unit and decentralized power supply switch unit, charges for the power supply receiving described Alternating Current Power Supply unit, and exports direct current to described decentralized power supply switch unit;
Described decentralized power supply switch unit, couple mutually with described Alternating Current Power Supply unit, high voltage direct current power supply unit and information technoloy equipment, described Rectified alternating current for exporting the described Alternating Current Power Supply unit received is monitored according to preset time sampling, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, turn off the output of described Alternating Current Power Supply unit, and the output of high voltage direct current power supply unit described in conducting, export described direct current to described information technoloy equipment and power.
Preferably, described decentralized power supply switch unit, comprising: sample circuit and circuits for triggering, wherein,
Described sample circuit, couple mutually with described Alternating Current Power Supply unit, circuits for triggering and information technoloy equipment, for monitoring according to preset time sampling the described Rectified alternating current exporting described information technoloy equipment to, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, send index signal to described circuits for triggering;
Described circuits for triggering, couple mutually with described sample circuit, Alternating Current Power Supply unit, high voltage direct current power supply unit and information technoloy equipment, after receiving described index signal, turn off the output of described Alternating Current Power Supply unit, and high voltage direct current power supply unit described in conducting, export described direct current to described information technoloy equipment and power.
Preferably, described sample circuit, further also for:
When the power failure duration monitoring described Rectified alternating current return to be less than the preset time interval time, send restoring signal to described circuits for triggering.
Preferably, described circuits for triggering, further also for:
Receive the described restoring signal that described sample circuit sends, turn off the output of described high voltage direct current power supply unit, the output of Alternating Current Power Supply unit described in conducting is that described information technoloy equipment is powered.
Preferably, described high voltage direct current power supply unit, comprising: hf switching power supply and batteries, wherein,
Described hf switching power supply, couple mutually with described Alternating Current Power Supply unit and batteries, for by the alternating current provided of described Alternating Current Power Supply unit by the multiple rectification modules in this high frequency switch power, the direct current being converted to 240V carries out charging and stores, and charges after described batteries electric discharge to described batteries;
Described batteries, couples mutually with described high frequency switch power and decentralized power supply switch unit, in the enabling signal receiving the transmission of described decentralized power supply switch unit, exports described direct current to described decentralized power supply switch unit.
Preferably, described decentralized power supply switch unit, further comprises: the duplicate supply input cabinet of both sides distribution, and the both sides of this duplicate supply input cabinet are respectively DC side and AC, wherein,
Described AC, couples mutually with described Alternating Current Power Supply unit and sample circuit, and the described Rectified alternating current exported for receiving described Alternating Current Power Supply unit is that described information technoloy equipment is powered by described sample circuit;
Described DC side, couples mutually with described high voltage direct current power supply unit and circuits for triggering, and the direct current exported for receiving described high voltage direct current power supply unit is that described information technoloy equipment is powered by described circuits for triggering.
Preferably, the both sides distribution of described duplicate supply input cabinet adopts the mode at insulating material or physical space interval to carry out electrical isolation.
Compared with prior art, the system that a kind of IDC of providing machine room energy-saving of the present invention is powered, reaches following effect:
1) the present invention adopts Alternating Current Power Supply and high voltage direct current to power two kinds of structures, and by corresponding electrical source exchange control appliance, electric main is sampled, the power down mode of Real-Time Monitoring civil power, and when the power failure of very short time appears in civil power, Alternating Current Power Supply is turned off, start direct current supply simultaneously, ensure that the power supply on information technoloy equipment is uninterrupted, the power supplying efficiency efficiently solving electric power system in IDC machine room is difficult to promote, and can not ensure the problem of power supply safety when system power is larger after promoting power supplying efficiency.
2) the electric energy service efficiency in the operation that can give in electric power system of the present invention brings up to 99.5%, uses traditional HVDC energy saving of system effect to improve 5% more completely; Construction cost uses HVDC system to reduce more than 50% more completely.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structured flowchart of the system that Fig. 1 powers for a kind of IDC of the providing machine room energy-saving described in the embodiment of the present invention one.
The structured flowchart of the system that Fig. 2 powers for a kind of IDC of the providing machine room energy-saving described in the embodiment of the present invention two.
Fig. 3 is the concrete structure block diagram of decentralized power supply switch unit described in the embodiment of the present invention three.
The enforcement structured flowchart of the embody rule of the system that Fig. 4 powers for a kind of IDC of the providing machine room energy-saving described in the embodiment of the present invention three.
Fig. 5 is the structured flowchart of the embody rule of the system providing IDC machine room energy-saving to power described in the embodiment of the present invention five.
Embodiment
As employed some vocabulary to censure specific components in the middle of specification and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in acceptable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and indirectly electric property coupling means at this.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically coupled to described second device, or be indirectly electrically coupled to described second device by other devices or the means that couple.Specification subsequent descriptions is for implementing better embodiment of the present invention, and right described description is to illustrate for the purpose of rule of the present invention, and is not used to limit scope of the present invention.Protection scope of the present invention is when being as the criterion depending on the claims person of defining.
Below in conjunction with accompanying drawing, the present invention is described in further detail, but not as a limitation of the invention.
Embodiment one
As shown in Figure 1, be the system 10 that a kind of IDC of the providing machine room energy-saving described in the embodiment of the present invention one is powered, couple mutually with the information technoloy equipment in IDC machine room, comprising: Alternating Current Power Supply unit 101, high voltage direct current power supply unit 102 and decentralized power supply switch unit 103; Wherein
Described Alternating Current Power Supply unit 101, couple mutually with described high voltage direct current power supply unit 102 and decentralized power supply switch unit 103, input to described decentralized power supply switch unit 103 for carrying out rectification process generation Rectified alternating current to civil power, and charge for described high voltage direct current power supply unit 102.
Particularly, described Alternating Current Power Supply unit 101, it can be the AC power circuit with rectification circuit, external civil power, described rectification circuit forms described Rectified alternating current, wherein after the AC amplitude rectification of civil power being adjusted, described rectification circuit can be half-wave rectifying circuit, full-wave rectifying circuit or bridge rectifier etc., does not do concrete restriction here.
It should be noted that, direct current refers to that voltage levels and positive negative direction do not change (as: dry cell) in time, described Rectified alternating current refers to that positive negative direction is constant, but size changes in time, as: the Rectified alternating current alternating current of 50Hz being obtained 50Hz through diode halfwave rectifier, then obtain the Rectified alternating current of 100Hz through all-wave or bridge rectifier, certainly, after processing (as: inductance or electric capacity etc.) after filtering, just become straight direct current.
Described high voltage direct current power supply unit 102, couples mutually with described Alternating Current Power Supply unit 101 and decentralized power supply switch unit 103, charges for the power supply receiving described Alternating Current Power Supply unit 101, and exports direct current to described decentralized power supply switch unit 103.
Particularly, the described galvanic voltage that described high voltage direct current power supply unit 102 exports is no more than the maximum voltage value that in circuit, each electric elements can bear and is advisable, preferably, in the present embodiment, the described galvanic magnitude of voltage that described high voltage direct current power supply unit 102 exports is 240V.
Described decentralized power supply switch unit 103, couple mutually with described Alternating Current Power Supply unit 101, high voltage direct current power supply unit 102 and information technoloy equipment, described Rectified alternating current for exporting the described Alternating Current Power Supply unit 101 received is monitored according to preset time sampling, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, turn off the output of described Alternating Current Power Supply unit 101, and the output of high voltage direct current power supply unit 102 described in conducting, export described direct current to described information technoloy equipment and power.
Described civil power is due to large-scale power supply; the power failure phenomenon of the excessive very short time (Millisecond) caused of power consumption may be there is; for domestic consumer; the power failure phenomenon of very short time can not cause the fault of household electrical appliances or other electricity consumption devices; but for the network communication equipment that power reguirements is high; even if the power failure phenomenon of very short time; also the machine of closing down or delay of network communication equipment can be caused; the serious damage that then may cause described network communication equipment, causes the interruption of network service further.Therefore, described decentralized power supply switch unit 103 is monitored to civil power according to preset time sampling.Here it should be noted that, described Alternating Current Power Supply unit 101 by described civil power after over commutation process, the transmission characteristic of described civil power can't be changed, if the i.e. power failure phenomenon of described civil power generation very short time, so, described Rectified alternating current also there will be the power failure phenomenon of very short time, so, described decentralized power supply switch unit 103, by carrying out sampling monitoring to described Rectified alternating current, just can know the power failure duration of described civil power.
Embodiment two
For the described high voltage direct current power supply unit in above-described embodiment one, do not access civil power, described high voltage direct current power supply unit is arranged in the system described in the application as independently power supply, in described high voltage direct current power supply unit, there is corresponding electric energy storage device, to store the direct current meeting described information technoloy equipment power reguirements, specifically, for the system 10 in above-described embodiment one, described high voltage direct current power supply unit 102, comprise further: hf switching power supply 1021 and batteries 1022, namely as shown in Figure 2, wherein
Described hf switching power supply 1021, couple mutually with described Alternating Current Power Supply unit 101 and batteries 1022, for by the alternating current provided of described Alternating Current Power Supply unit 102 by the multiple rectification modules in this high frequency switch power, the direct current being converted to 240V carries out charging and stores, and charges after described batteries 1022 is discharged to described batteries 1022.
Described batteries 1022, couple mutually with described high frequency switch power 1021 and decentralized power supply switch unit 103, for in the enabling signal receiving the transmission of described decentralized power supply switch unit 103, export described direct current to described decentralized power supply switch unit 103.
Particularly, in described hf switching power supply 1021, described multiple rectification module, comprise further: real work rectification module and backup rectification module, wherein, when the quantity of described real work rectification module is less than 10, described backup rectification module is 1; When the quantity of described real work rectification module is more than 10, often increase by 10 described real work rectification modules, increase by 1 described backup rectification module.
Embodiment three
As shown in Figure 3, be the system 20 that a kind of IDC of the providing machine room energy-saving described in the embodiment of the present invention two is powered, comprise: Alternating Current Power Supply unit 201, high voltage direct current power supply unit 202 and decentralized power supply switch unit 203; Wherein
Described Alternating Current Power Supply unit 201, couple mutually with described high voltage direct current power supply unit 202 and decentralized power supply switch unit 203, input to described decentralized power supply switch unit 203 for carrying out rectification process generation Rectified alternating current to civil power, and charge for described high voltage direct current power supply unit 202.
Described high voltage direct current power supply unit 202, couples mutually with described Alternating Current Power Supply unit 201 and decentralized power supply switch unit 203, charges for the power supply receiving described Alternating Current Power Supply unit 201, and exports direct current to described decentralized power supply switch unit 203.
Described decentralized power supply switch unit 203, couples mutually with described Alternating Current Power Supply unit 201, high voltage direct current power supply unit 202 and information technoloy equipment, in the present embodiment, described decentralized power supply switch unit 203, specifically comprise: sample circuit 2031 and circuits for triggering 2032, wherein
Described sample circuit 2031, couple mutually with described Alternating Current Power Supply unit 201, circuits for triggering 2032 and information technoloy equipment, for monitoring according to preset time sampling the described Rectified alternating current exporting described information technoloy equipment to, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, send index signal to described circuits for triggering 2032.
Described circuits for triggering 2032, couple mutually with described sample circuit 2031, Alternating Current Power Supply unit 201, high voltage direct current power supply unit 202 and information technoloy equipment, after receiving described index signal, turn off the output of described Alternating Current Power Supply unit 201, and high voltage direct current power supply unit 202 described in conducting, export described direct current to described information technoloy equipment and power.
For described sample circuit 2031, specifically also for return to when the power failure duration monitoring described Rectified alternating current be less than the preset time interval time, send restoring signal to described circuits for triggering 2032.
For described circuits for triggering 2032, specifically also for receiving the described restoring signal that described sample circuit 2031 sends, turn off the output of described high voltage direct current power supply unit 202, the output of Alternating Current Power Supply unit 201 described in conducting is that described information technoloy equipment is powered.
That is, when having there is the phenomenon that very short time has a power failure in described civil power, described sample circuit 2031 can be known in time, and carry out electrical source exchange by described circuits for triggering 2032, power supply is switched to power supply galvanic current source, the described high voltage direct current power supply unit 202 namely in the present embodiment.
In the present embodiment, for described sample circuit 2031, its preset time interval is specially the minimum interruption duration interval of not causing described information technoloy equipment to shut down, and preferably, the described preset time interval is 4ms(millisecond).Certainly, in actual applications, will adjust according to described information technoloy equipment, not as the restriction to the application.
In addition, described circuits for triggering 2032, are specially the circuits for triggering with bipolar miniature circuit breaker and one pole miniature circuit breaker.
Embodiment four
In actual applications, for the described decentralized power supply switch unit 203 in above-described embodiment three, when switching direct current and AC power, consuming time owing to transmitting in transmission line, the impact that power supply response action consuming time and switching action is consuming time, the vacuum phase of very short time (Millisecond) can be produced, within this vacuum phase, described information technoloy equipment do not have electric power supply, the normal operation of described information technoloy equipment may be affected, in order to avoid powered vacuum phase during Switching power, as optimal way, in the present embodiment, described decentralized power supply switch unit 203 can adopt corresponding electrical storage device, direct current and Alternating Current Power Supply are stored, to carry out the quick switching of direct current or Alternating Current Power Supply, so, as shown in Figure 4, described decentralized power supply switch unit 203 specifically also comprises: the duplicate supply input cabinet 2033 of both sides distribution, the both sides of this duplicate supply input cabinet are respectively AC S1 and DC side S2, wherein,
Described AC S1, couples mutually with described Alternating Current Power Supply unit 201 and sample circuit 2031, and the described Rectified alternating current exported for receiving described Alternating Current Power Supply unit 201 is powered for described information technoloy equipment by described sample circuit 2031.
Described DC side S2, couples mutually with described high voltage direct current power supply unit 202 and circuits for triggering 2032, and the direct current exported for receiving described high voltage direct current power supply unit 202 is powered for described information technoloy equipment by described circuits for triggering 2032.
When the power failure duration that described sample circuit 2031 monitors described Rectified alternating current is less than the preset time interval, exports the described Rectified alternating current in described AC S1 to described information technoloy equipment and power; When the power failure duration that described sample circuit 2031 monitors described Rectified alternating current is not less than the preset time interval, turns off the output of described AC S1, and switch, by described DC side S2 conducting, make described direct current export described information technoloy equipment to and power.
In the present embodiment, described Alternating Current Power Supply unit 201 provides the alternating current of 220V, described high voltage direct current power supply unit 202 provides the high voltage direct current of 240V, and the both sides distribution of described duplicate supply input cabinet 2033 adopts the mode at insulating material or physical space interval to carry out electrical isolation.
Embodiment five
Below in conjunction with Figure 4 and 5, the embody rule of the system that the described IDC of providing machine room energy-saving is powered is described in detail:
In actual applications, the system providing IDC machine room energy-saving to power described in can connect realization by circuit as shown in Figure 5.
In the system of Fig. 5, described Alternating Current Power Supply unit 301 comprises: the AC power of 220V and a rectifier bridge; Described high voltage direct current power supply unit 302 comprises: the high-voltage DC power supply of 240V and batteries; Described decentralized power supply switch unit 303 comprises: sample circuit and circuits for triggering.
Described Alternating Current Power Supply unit 301 provides approach, described high voltage direct current power supply unit 302(and HVDC for improving energy-saving effect) safety guarantee effect is play to information technoloy equipment.When civil power is normal, described Alternating Current Power Supply unit 301 generates Rectified alternating current by rectifier bridge, for information technoloy equipment provides whole load, when civil power occurs that very short time has a power failure, in described high voltage direct current power supply unit 302, the batteries of configuration bears whole load, for described information technoloy equipment is powered, ensure the whole electric energy needed for mains failure recovery.
The duplicate supply input cabinet in Fig. 4 can be adopted in described circuit in Figure 5, this duplicate supply input cabinet is made up of the completely isolated AC of two parts and DC side, and the distribution power of AC and DC side equals the power summation of a row information technoloy equipment corresponding to this duplicate supply input cabinet respectively.
Particularly:
When civil power is normal, the rectifier bridge output ripple direct current of civil power direct-furnish part in described Alternating Current Power Supply unit 301 is powered to information technoloy equipment; During mains failure, described high voltage direct current power supply unit 302 exports Constant Direct Current and powers to information technoloy equipment.
Wherein, the high-voltage DC power supply of the 240V in described high voltage direct current power supply unit 302 not to be powered use as information technoloy equipment, and the self discharge boost charge only as the charging use after battery discharging or the long-term generation for subsequent use of storage battery uses.The ampere-capacity of the high-voltage DC power supply of 240V selects 10% configuration according to storage battery ampere-hour capacity, according to N+1 configuration, more than 10 often standby 1 of increases by 10 within rectification module in the high-voltage DC power supply of this 240V backs up 10, i.e. described rectification module, be made up of real work rectification module and backup rectification module further, when the quantity of described real work rectification module is less than 10, described backup rectification module is 1; When the quantity of described real work rectification module is more than 10, often increase by 10 described real work rectification modules, increase by 1 described backup rectification module.
Rectifier bridge in described Alternating Current Power Supply unit 301 is inputted by AC three-phase four line, and A, B, C three-phase (in Fig. 5 and not shown) single-phase output respectively, the Rectified alternating current of output carries out filtering process by power frequency filter.
The interchange input of the high-voltage DC power supply of the 240V in described high voltage direct current power supply unit 302 can also can single-phasely input in three-phase and four-line input, and exports with 240V direct current, floating charge in parallel with batteries; The total capacity configuration of the high-voltage DC power supply of this 240V is considered according to battery charging capacity, and batteries is by the total duration configuration capacity of support system.
Sample circuit in described decentralized power supply switch unit 303 receives the Rectified alternating current that rectifier bridge exports, and this Rectified alternating current is monitored according to preset time sampling, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, send index signal to described circuits for triggering, now, circuits for triggering are by conducting thyristor diode, the i.e. output of batteries in the described high voltage direct current power supply unit 302 of conducting, further by the reversal of diode in described rectifier bridge, just have turned off the output of described Alternating Current Power Supply unit 301.Described batteries is made to be that described information technoloy equipment is powered, when civil power is stablized, because civil power pulsating voltage amplitude is higher than the 240V direct current of described high voltage direct current power supply unit 302, so, the direct current supply of described high voltage direct current power supply unit 302 automatically shuts down, whole load is by 220V power supply normal power supply, and this handoff procedure, ensure that information technoloy equipment is powered and continue uninterruptedly.
Consider the on-the-spot two dissimilar randomness of power-supply system installation site of cover or the randomness of operating personnel, the miniature short-circuiting device of single-stage that the bipolar miniature short-circuiting device that input adopts, output adopt all should select the product of (meeting GB10963.2-2008) alternating current-direct current compatibility.
Adopt the described system in the present embodiment to be that information technoloy equipment is powered, in operation, the energy-conservation HVDC energy saving of system effect that uses more completely can improve 5%, construction cost uses HVDC system to reduce more than 60% more completely.
Compared with prior art, the system that a kind of IDC of providing machine room energy-saving of the present invention is powered, reaches following effect:
1) the present invention adopts Alternating Current Power Supply and high voltage direct current to power two kinds of structures, and by corresponding electrical source exchange control appliance, electric main is sampled, the power down mode of Real-Time Monitoring civil power, and when the power failure of very short time appears in civil power, Alternating Current Power Supply is turned off, start direct current supply simultaneously, ensure that the power supply on information technoloy equipment is uninterrupted, the power supplying efficiency efficiently solving electric power system in IDC machine room is difficult to promote, and can not ensure the problem of power supply safety when system power is larger after promoting power supplying efficiency.
2) the electric energy service efficiency in the operation that can give in electric power system of the present invention brings up to 99.5%, uses traditional HVDC energy saving of system effect to improve 5% more completely; Construction cost uses HVDC system to reduce more than 50% more completely.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (6)
1. the system that IDC machine room energy-saving is powered is provided, couples mutually with the information technoloy equipment in IDC machine room, it is characterized in that, comprising: Alternating Current Power Supply unit, high voltage direct current power supply unit and decentralized power supply switch unit, wherein,
Described Alternating Current Power Supply unit, couple mutually with described high voltage direct current power supply unit and decentralized power supply switch unit, input to described decentralized power supply switch unit for carrying out rectification process generation Rectified alternating current to civil power, and be the charging of described high voltage direct current power supply unit;
Described high voltage direct current power supply unit, couples mutually with described Alternating Current Power Supply unit and decentralized power supply switch unit, charges for the power supply receiving described Alternating Current Power Supply unit, and exports direct current to described decentralized power supply switch unit;
Described decentralized power supply switch unit, couple mutually with described Alternating Current Power Supply unit, high voltage direct current power supply unit and information technoloy equipment, described Rectified alternating current for exporting the described Alternating Current Power Supply unit received is monitored according to preset time sampling, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, turn off the output of described Alternating Current Power Supply unit, and the output of high voltage direct current power supply unit described in conducting, export described direct current to described information technoloy equipment and power;
Wherein, described decentralized power supply switch unit, comprising: sample circuit and circuits for triggering, wherein,
Described sample circuit, couple mutually with described Alternating Current Power Supply unit, circuits for triggering and information technoloy equipment, for monitoring according to preset time sampling the described Rectified alternating current exporting described information technoloy equipment to, when the power failure duration monitoring described Rectified alternating current is less than the preset time interval, exports described Rectified alternating current to described information technoloy equipment and power; When the power failure duration monitoring described Rectified alternating current is not less than the preset time interval, send index signal to described circuits for triggering;
Described circuits for triggering, couple mutually with described sample circuit, Alternating Current Power Supply unit, high voltage direct current power supply unit and information technoloy equipment, after receiving described index signal, turn off the output of described Alternating Current Power Supply unit, and high voltage direct current power supply unit described in conducting, export described direct current to described information technoloy equipment and power.
2. the system providing IDC machine room energy-saving to power as claimed in claim 1, is characterized in that, described sample circuit, further also for:
When the power failure duration monitoring described Rectified alternating current return to be less than the preset time interval time, send restoring signal to described circuits for triggering.
3. the system providing IDC machine room energy-saving to power as claimed in claim 2, is characterized in that, described circuits for triggering, further also for:
Receive the described restoring signal that described sample circuit sends, turn off the output of described high voltage direct current power supply unit, the output of Alternating Current Power Supply unit described in conducting is that described information technoloy equipment is powered.
4. the system providing IDC machine room energy-saving to power as claimed in claim 1, is characterized in that, described high voltage direct current power supply unit, comprising: hf switching power supply and batteries, wherein,
Described hf switching power supply, couple mutually with described Alternating Current Power Supply unit and batteries, for by the alternating current provided of described Alternating Current Power Supply unit by the multiple rectification modules in this high frequency switch power, the direct current being converted to 240V carries out charging and stores, and charges after described batteries electric discharge to described batteries;
Described batteries, couples mutually with described high frequency switch power and decentralized power supply switch unit, in the enabling signal receiving the transmission of described decentralized power supply switch unit, exports described direct current to described decentralized power supply switch unit.
5. the system providing IDC machine room energy-saving to power as claimed in claim 1, is characterized in that, described decentralized power supply switch unit, further comprise: the duplicate supply input cabinet of both sides distribution, the both sides of this duplicate supply input cabinet are respectively DC side and AC, wherein
Described AC, couples mutually with described Alternating Current Power Supply unit and sample circuit, and the described Rectified alternating current exported for receiving described Alternating Current Power Supply unit is that described information technoloy equipment is powered by described sample circuit;
Described DC side, couples mutually with described high voltage direct current power supply unit and circuits for triggering, and the direct current exported for receiving described high voltage direct current power supply unit is that described information technoloy equipment is powered by described circuits for triggering.
6. the system providing IDC machine room energy-saving to power as claimed in claim 5, is characterized in that, the both sides distribution of described duplicate supply input cabinet adopts the mode at insulating material or physical space interval to carry out electrical isolation.
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| CN106160190A (en) * | 2015-04-16 | 2016-11-23 | 深圳市健网科技有限公司 | Electric power system |
| CN105006880A (en) * | 2015-07-02 | 2015-10-28 | 浪潮电子信息产业股份有限公司 | Device being capable of achieving AC and DC power supply switching |
| CN107181287A (en) * | 2016-03-11 | 2017-09-19 | 阿里巴巴集团控股有限公司 | Realize the load factor method and system of each power supply in the electric supply installation for automatically adjusting information technoloy equipment |
| CN108574337A (en) * | 2017-03-10 | 2018-09-25 | 甘肃瑞祥信息科技发展有限公司 | A kind of automatic preventive maintenance control system of IDC data centers 48V accumulators |
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