CN103715763A - Energy-saving power supply system for IDC (internet data center) machine room - Google Patents
Energy-saving power supply system for IDC (internet data center) machine room Download PDFInfo
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- CN103715763A CN103715763A CN201410024986.6A CN201410024986A CN103715763A CN 103715763 A CN103715763 A CN 103715763A CN 201410024986 A CN201410024986 A CN 201410024986A CN 103715763 A CN103715763 A CN 103715763A
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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
Abstract
The invention discloses an energy-saving power supply system for an IDC (internet data center) machine room. The energy-saving power supply system comprises an alternating current power supply unit, a high-voltage direct current power supply unit and a distributed power switching unit, wherein the alternating current power supply unit is used for rectifying commercial power to generate pulsating direct current, inputting the pulsating direct current into the distributed power switching unit, and charging the high-voltage direct current power supply unit; the high-voltage direct current power supply unit receives power supplied by the alternating current power supply unit, is charged, and then outputs direct current to the distributed power switching unit; the distributed power switching unit is used for sampling and monitoring the received pulsating direct current which is output by the alternating current power supply unit according to a preset time interval, turning off the output of the alternating current power supply unit and turning on the output of the high-voltage direct current power supply unit when the power failure duration of the pulsating direct current is not smaller than the preset time interval, and outputting the direct current to IT (internet technology) equipment for power supplying. According to the system, the problems that the power supply efficiency of a power supply system in the IDC machine room is difficult to improve and the power supply safety cannot be ensured under the condition of large system power after the power supply efficiency is improved are solved.
Description
Technical field
The present invention relates to the energy-conservation electrical domain that supplies, specifically, relate to a kind of system of the IDC of providing machine room energy-saving power supply.
Background technology
IDC(Internet Data Center, Internet data center), be based on Internet network, for the equipment of centralised collection, storage, processing and transmission data provides the facility of operation maintenance.IDC provides domain name registration inquiry, resource to hire out (as fictitious host computer business, data storage service), system maintenance (system configuration, data backup, fault are got rid of service), management service (as Bandwidth Management, flow analysis, load balancing, intrusion detection, system vulnerability diagnosis), and the business such as other supports, operation service.IDC, as important network hinge, in order to guarantee that it normally moves, needs a large amount of power consumptions, thereby, will consider the energy-conservation power supply of carrying out to IDC machine room, in prior art, still there is problem:
(1) adopt the power supply of 240V high voltage direct current (hereinafter to be referred as HVDC, high-voltage direct current, be high voltage direct current power supply) the alternative UPS(Uninterruptible of interchange of system Power System, uninterrupted power supply) system is to IT(internet Technology, Internet technology) equipment power supply, fundamentally solved 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 applied in any combination, equipment for 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, in the technical scheme of this patent, due to the restriction of equipment dependability, be difficult to further improve electric energy service efficiency.
(2) off-line UPS technology, although can improve the efficiency of electric power system, but during due to mains failure, inverter bringing onto load switches, in the situation that system power is larger, security performance can not meet the requirement of information technoloy equipment, for a long time, for important communication network and larger IT system, be not used always.
(3) " a kind of machine room distributed power supply system " (application number is: patent 201210059843.X), adopt distributing civil power and HVDC switched system, solved the safety problem of off-line UPS, but the construction cost of this patented technology scheme is higher, maintenance workload is large, is unsuitable for large-scale IDC machine room.
Therefore, the power supplying efficiency that how to solve electric power system in IDC machine room is difficult to promote, and can not in the situation that system power is larger, guarantee power supply safety after promoting power supplying efficiency, just becomes technical problem urgently to be resolved hurrily.
Summary of the invention
A kind of system of the IDC of providing machine room energy-saving power supply is provided technical problem to be solved by this invention, to solve the power supplying efficiency of electric power system in IDC machine room, be difficult to promote, and the problem that can not guarantee power supply safety after promoting power supplying efficiency in the situation that system power is larger.
For solving the problems of the technologies described above, a kind of system of the IDC of providing machine room energy-saving power supply is provided, couple 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, for civil power being carried out to rectification processing generation Rectified alternating current, input to described decentralized power supply switch unit, and be described high voltage direct current power supply unit charging;
Described high voltage direct current power supply unit, couples mutually with described Alternating Current Power Supply unit and decentralized power supply switch unit, charges, and export direct current to described decentralized power supply switch unit for receiving the power supply of described Alternating Current Power Supply 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 the described Alternating Current Power Supply unit output to receiving is monitored according to preset time sampling, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be not less than the preset time interval, the output of turn-offing 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 power supply.
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 exporting the described Rectified alternating current of described information technoloy equipment to, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be 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, be used for receiving after 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 monitoring the power failure duration of described Rectified alternating current, return to while being less than the preset time interval, 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, the output of turn-offing described high voltage direct current power supply unit, Alternating Current Power Supply unit is output as described information technoloy equipment power supply described in conducting.
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 the alternating current providing of described Alternating Current Power Supply unit is passed through to a plurality of rectification modules of this high frequency switch power, the direct current that the is converted to 240V storage of charging is charged to described batteries after described batteries electric discharge;
Described batteries, couples mutually with described high frequency switch power and decentralized power supply switch unit, for the enabling signal receiving described decentralized power supply switch unit transmission, 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, for receiving the described Rectified alternating current of described Alternating Current Power Supply unit output, by described sample circuit, is that described information technoloy equipment is powered;
Described DC side, couples mutually with described high voltage direct current power supply unit and circuits for triggering, for receiving the direct current of described high voltage direct current power supply unit output, by described circuits for triggering, is that described information technoloy equipment is powered.
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, a kind of system that the power supply of IDC machine room energy-saving is provided of the present invention, has reached following effect:
1) the present invention adopts Alternating Current Power Supply and two kinds of structures of high voltage direct current power supply, and by corresponding electrical source exchange control appliance, electric main is sampled, the power down mode of Real-Time Monitoring civil power, and when there is the power failure of utmost point short time in civil power, Alternating Current Power Supply is turn-offed, start direct current supply simultaneously, guaranteed that the power supply on information technoloy equipment is uninterrupted, the power supplying efficiency that efficiently solves electric power system in IDC machine room is difficult to promote, and the problem that can not guarantee power supply safety after promoting power supplying efficiency in the situation that system power is larger.
2) the electric energy service efficiency in the operation that the present invention can give in electric power system brings up to 99.5%, uses traditional HVDC energy saving of system effect to improve 5% more completely; Construction cost is used 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 is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structured flowchart that the system of IDC machine room energy-saving power supply is provided described in the embodiment of the present invention one.
Fig. 2 is a kind of structured flowchart that the system of IDC machine room energy-saving power supply is provided 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.
Fig. 4 provides the enforcement structured flowchart of concrete application of the system of IDC machine room energy-saving power supply for a kind of described in the embodiment of the present invention three.
Fig. 5 is the structured flowchart of the concrete application of the system that the power supply of IDC machine room energy-saving is provided described in the embodiment of the present invention five.
Embodiment
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " 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 electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the 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 that rule of the present invention is object, not in order 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 mono-
As shown in Figure 1, be the system 10 of a kind of IDC of the providing machine room energy-saving power supply described in the embodiment of the present invention one, 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, for civil power being carried out to rectification processing generation Rectified alternating current, input to described decentralized power supply switch unit 103, and be described high voltage direct current power supply unit 102 chargings.
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 is 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 not temporal evolution (as: dry cell) of voltage height and positive negative direction, described Rectified alternating current refers to that positive negative direction is constant, but big or small temporal evolution, as: the alternating current of 50Hz is obtained to the Rectified alternating current of 50Hz through diode halfwave rectifier, process all-wave or bridge rectifier obtain the Rectified alternating current of 100Hz, certainly, just become straight direct current after filtering after processing (as: inductance or electric capacity etc.).
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, and export direct current to described decentralized power supply switch unit 103 for receiving the power supply of described Alternating Current Power Supply unit 101.
Particularly, the described galvanic voltage of described high voltage direct current power supply unit 102 outputs 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 of described high voltage direct current power supply unit 102 outputs 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 described Alternating Current Power Supply unit 101 outputs to receiving is monitored according to preset time sampling, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be not less than the preset time interval, the output of turn-offing 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 power supply.
Described civil power is due to large-scale power supply; may there is the power consumption power failure phenomenon of the excessive utmost point short time (Millisecond) causing; for domestic consumer; the power failure phenomenon of utmost point short time can not cause the fault of household electrical appliances or other electricity consumption devices; but for the high network communication equipment of power reguirements; even the power failure phenomenon of utmost point short time; also can cause the machine of closing down or delay of network communication equipment; serious may cause the damage of described network communication equipment, further causes the interruption of network service.Therefore, described decentralized power supply switch unit 103 will be monitored according to preset time sampling civil power.Here it should be noted that, described Alternating Current Power Supply unit 101 by described civil power after over commutation is processed, can't change the transmission characteristic of described civil power, if the i.e. power failure phenomenon of described civil power generation utmost point short time, so, described Rectified alternating current also there will be the power failure phenomenon of utmost point short time, so, described decentralized power supply switch unit 103, by described Rectified alternating current is carried out to sampling monitoring, just can be known the power failure duration of described civil power.
Embodiment bis-
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 power supply independently, in described high voltage direct current power supply unit, there is corresponding electric energy storage device, the direct current that meets described information technoloy equipment power reguirements with storage, specifically, the system 10 of take in above-described embodiment one is example, described high voltage direct current power supply unit 102, further comprise: hf switching power supply 1021 and batteries 1022, 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 the alternating current providing of described Alternating Current Power Supply unit 102 is passed through to a plurality of rectification modules of this high frequency switch power, the direct current that the is converted to 240V storage of charging is charged to described batteries 1022 after described batteries 1022 electric discharges.
Described batteries 1022, couple mutually with described high frequency switch power 1021 and decentralized power supply switch unit 103, for the enabling signal receiving described decentralized power supply switch unit 103 transmissions, export described direct current to described decentralized power supply switch unit 103.
Particularly, in described hf switching power supply 1021, described a plurality of rectification modules, further comprise: 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 10,10 described real work rectification modules of every increase, increase by 1 described backup rectification module.
Embodiment tri-
As shown in Figure 3, be the system 20 of a kind of IDC of the providing machine room energy-saving power supply described in the embodiment of the present invention two, comprising: 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, for civil power being carried out to rectification processing generation Rectified alternating current, input to described decentralized power supply switch unit 203, and be described high voltage direct current power supply unit 202 chargings.
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, and export direct current to described decentralized power supply switch unit 203 for receiving the power supply of described Alternating Current Power Supply unit 201.
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 exporting the described Rectified alternating current of described information technoloy equipment to, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be 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, be used for receiving after 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, concrete also for returning to while being less than the preset time interval when monitoring the power failure duration of described Rectified alternating current, send extremely described circuits for triggering 2032 of restoring signal.
For described circuits for triggering 2032, the concrete described restoring signal also sending for receiving described sample circuit 2031, the output of turn-offing described high voltage direct current power supply unit 202, Alternating Current Power Supply unit 201 is output as described information technoloy equipment power supply described in conducting.
That is to say, when there is the phenomenon of utmost point short time 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, i.e. described high voltage direct current power supply unit 202 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 tetra-
In actual applications, for the described decentralized power supply switch unit 203 in above-described embodiment three, when direct current and AC power are switched, consuming time owing to transmitting in transmission line, the action impact consuming time that power supply response is consuming time and switching is moved, can produce the vacuum phase of utmost point short time (Millisecond), in this vacuum in the phase, on described information technoloy equipment, there is no electric power supply, may affect the normal operation of described information technoloy equipment, the confession electrovacuum phase during for fear of 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, for receiving the described Rectified alternating current of described Alternating Current Power Supply unit 201 outputs, by described sample circuit 2031, for described information technoloy equipment, powers.
Described DC side S2, couples mutually with described high voltage direct current power supply unit 202 and circuits for triggering 2032, for receiving the direct current of described high voltage direct current power supply unit 202 outputs, by described circuits for triggering 2032, for described information technoloy equipment, powers.
When the power failure duration that monitors described Rectified alternating current when described sample circuit 2031 is less than the preset time interval, export the described Rectified alternating current in described AC S1 to described information technoloy equipment power supply; When the power failure duration that monitors described Rectified alternating current when described sample circuit 2031 is not less than the preset time interval, turn-offs the output of described AC S1, and switch, by described DC side S2 conducting, make described direct current export described information technoloy equipment power supply to.
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 concrete application of the system of the described IDC of providing machine room energy-saving power supply is elaborated:
In actual applications, described in, provide the system of IDC machine room energy-saving power supply to connect and to realize 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 for improving energy-saving effect, and described high voltage direct current power supply unit 302(is HVDC) information technoloy equipment is played to safety guarantee effect.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 loads, when civil power occurs that the utmost point short time has a power failure, in described high voltage direct current power supply unit 302, the batteries of configuration is born whole loads, for described information technoloy equipment power supply, guarantee that mains failure recovers required whole electric energy.
In described circuit in Fig. 5, can adopt the duplicate supply input cabinet in Fig. 4, AC and DC side that this duplicate supply input cabinet is isolated completely by two parts form, and the distribution power of AC and DC side equals respectively the power summation of the row information technoloy equipment that this duplicate supply input cabinet is corresponding.
Particularly:
When civil power is normal, civil power direct-furnish is partly powered to information technoloy equipment through the rectifier bridge output ripple direct current in described Alternating Current Power Supply unit 301; Described in during mains failure, high voltage direct current power supply unit 302 output Constant Direct Currents are powered to information technoloy equipment.
Wherein, the high-voltage DC power supply of the 240V in described high voltage direct current power supply unit 302, as information technoloy equipment power supply use, is not only used as the self discharge boost charge of the charging use after battery discharging or the long-term standby generation of storage battery.The ampere-capacity of the high-voltage DC power supply of 240V is selected 10% configuration according to storage battery ampere-hour capacity, 10 of rectification module in the high-voltage DC power supply of this 240V backups with interior according to 10 standby 1 of N+1 configuration, 10 above every increase, it is described rectification module, further by real work rectification module and backup rectification module, formed, 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 10,10 described real work rectification modules of every increase, increase by 1 described backup rectification module.
Rectifier bridge in described Alternating Current Power Supply unit 301 is inputted by AC three-phase four lines, A, B, C three-phase (also not shown in Fig. 5) single-phase output respectively, and the Rectified alternating current of output carries out filtering processing 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 be inputted in three-phase and four-line input, and with the output of 240V direct current, floating charge in parallel with batteries; The total capacity configuration of the high-voltage DC power supply of this 240V is according to the consideration of 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 of rectifier bridge output, and this Rectified alternating current is monitored according to preset time sampling, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be not less than the preset time interval, send index signal to described circuits for triggering, now, circuits for triggering are by conducting controllable silicon diode, the output of batteries in the described high voltage direct current power supply unit 302 that has been conducting, further, by the reversal of diode in described rectifier bridge, just turn-offed the output of described Alternating Current Power Supply unit 301.Making described batteries is described information technoloy equipment power supply, when civil power is stablized, due to the 240V direct current of civil power pulsating voltage amplitude higher than 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, all load is by 220V power supply normal power supply, and this handoff procedure, has guaranteed that information technoloy equipment power supply continues uninterrupted.
Consider the dissimilar randomness of power-supply system installation site or operating personnel's the randomness of on-the-spot two cover, the miniature short-circuiting device of single-stage that the bipolar miniature short-circuiting device that input adopts, output adopt all should be selected the product of (meeting GB10963.2-2008) alternating current-direct current compatibility.
Adopting the described system in the present embodiment is information technoloy equipment power supply, can in operation, the energy-conservation HVDC energy saving of system effect of using more completely improve 5%, and construction cost is used HVDC system to reduce more than 60% more completely.
Compared with prior art, a kind of system that the power supply of IDC machine room energy-saving is provided of the present invention, has reached following effect:
1) the present invention adopts Alternating Current Power Supply and two kinds of structures of high voltage direct current power supply, and by corresponding electrical source exchange control appliance, electric main is sampled, the power down mode of Real-Time Monitoring civil power, and when there is the power failure of utmost point short time in civil power, Alternating Current Power Supply is turn-offed, start direct current supply simultaneously, guaranteed that the power supply on information technoloy equipment is uninterrupted, the power supplying efficiency that efficiently solves electric power system in IDC machine room is difficult to promote, and the problem that can not guarantee power supply safety after promoting power supplying efficiency in the situation that system power is larger.
2) the electric energy service efficiency in the operation that the present invention can give in electric power system brings up to 99.5%, uses traditional HVDC energy saving of system effect to improve 5% more completely; Construction cost is used HVDC system to reduce more than 50% more completely.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection range of claims of the present invention.
Claims (7)
1. the system that the power supply of IDC machine room energy-saving 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, for civil power being carried out to rectification processing generation Rectified alternating current, input to described decentralized power supply switch unit, and be described high voltage direct current power supply unit charging;
Described high voltage direct current power supply unit, couples mutually with described Alternating Current Power Supply unit and decentralized power supply switch unit, charges, and export direct current to described decentralized power supply switch unit for receiving the power supply of described Alternating Current Power Supply 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 the described Alternating Current Power Supply unit output to receiving is monitored according to preset time sampling, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be not less than the preset time interval, the output of turn-offing 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 power supply.
2. the system that the power supply of IDC machine room energy-saving is provided as claimed in claim 1, is characterized in that, 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 exporting the described Rectified alternating current of described information technoloy equipment to, when monitoring the power failure duration of described Rectified alternating current and be less than the preset time interval, export described Rectified alternating current to described information technoloy equipment power supply; When monitoring the power failure duration of described Rectified alternating current and be 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, be used for receiving after 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.
3. the system that IDC machine room energy-saving power supply is provided as claimed in claim 2, is characterized in that, described sample circuit, further also for:
When monitoring the power failure duration of described Rectified alternating current, return to while being less than the preset time interval, send restoring signal to described circuits for triggering.
4. the system that IDC machine room energy-saving power supply is provided as claimed in claim 3, is characterized in that, described circuits for triggering, further also for:
Receive the described restoring signal that described sample circuit sends, the output of turn-offing described high voltage direct current power supply unit, Alternating Current Power Supply unit is output as described information technoloy equipment power supply described in conducting.
5. the system that the power supply of IDC machine room energy-saving is provided 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 the alternating current providing of described Alternating Current Power Supply unit is passed through to a plurality of rectification modules of this high frequency switch power, the direct current that the is converted to 240V storage of charging is charged to described batteries after described batteries electric discharge;
Described batteries, couples mutually with described high frequency switch power and decentralized power supply switch unit, for the enabling signal receiving described decentralized power supply switch unit transmission, exports described direct current to described decentralized power supply switch unit.
6. the system that the power supply of IDC machine room energy-saving is provided as claimed in claim 2, 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, for receiving the described Rectified alternating current of described Alternating Current Power Supply unit output, by described sample circuit, is that described information technoloy equipment is powered;
Described DC side, couples mutually with described high voltage direct current power supply unit and circuits for triggering, for receiving the direct current of described high voltage direct current power supply unit output, by described circuits for triggering, is that described information technoloy equipment is powered.
7. the system that the power supply of IDC machine room energy-saving is provided as claimed in claim 6, 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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| CN201410024986.6A CN103715763B (en) | 2014-01-20 | 2014-01-20 | The system that IDC machine room energy-saving is powered is provided |
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| Publication number | Publication date |
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| CN103715763B (en) | 2016-02-03 |
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