CN103391012B - Rack electric power system - Google Patents
Rack electric power system Download PDFInfo
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- CN103391012B CN103391012B CN201210144964.4A CN201210144964A CN103391012B CN 103391012 B CN103391012 B CN 103391012B CN 201210144964 A CN201210144964 A CN 201210144964A CN 103391012 B CN103391012 B CN 103391012B
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Abstract
The present invention proposes a kind of rack electric power system, including: at least one ac/dc modular converter, for the alternating current of input being converted to the unidirectional current with the first voltage；Power bus-bar, described power bus-bar is connected with at least one ac/dc modular converter described, for collecting, distribute and transmit the unidirectional current of described first voltage；Multiple DC/DC conversion modules, the plurality of DC/DC conversion module is connected with described power bus-bar, for the unidirectional current of the first voltage from described power bus-bar is converted to the unidirectional current of the second voltage, wherein, described first voltage is more than described second voltage；With multiple servers, wherein, each described DC/DC conversion module is that a described server is powered.This system reduces the transmission electric current of power bus-bar and sectional area, not only reduces loss, improves electricity usage efficiency, and the heat radiation of beneficially rack.
Description
Technical field
The present invention relates to power supply technique field, particularly to a kind of electric power system for rack.
Background technology
At present, major part whole machine cabinet power supply plan is to use centrally connected power source output 12V to power, then that centrally connected power source is defeated
Go out 12V to provide to public power source bus to be powered to each node (such as server).According to existing whole
The supply of electric power of rack and according to powered node situation, public power bus is subjected to the biggest electric current, even
Bear the electric current reaching more than 600A.
The shortcoming of prior art is: the power bus-bar Busbar of whole machine cabinet bears too big (the such as 600A of electric current of transmission
Above), relatively difficult in design, in order to reduce loss need increase power bus-bar sectional area, but design cut
Area is excessive not only can increase the loss of voltage on power bus-bar, but also can affect the heat radiation windage of whole machine cabinet, thus
Affect the heat radiation of whole machine cabinet.
Summary of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.
To this end, it is an object of the invention to propose a kind of rack electric power system, this system reduces the transmission electricity of power bus-bar
Stream and sectional area, decrease loss, improve electricity usage efficiency.
For reaching above-mentioned purpose, embodiment of the invention discloses that a kind of rack electric power system, including: at least one is handed over
Stream/DC conversion modules, for being converted to the unidirectional current with the first voltage by the alternating current of input；Power bus-bar, institute
State power bus-bar to be connected with at least one ac/dc modular converter described, be used for collecting, distribute and transmit described first
The unidirectional current of voltage；Multiple DC/DC conversion modules, the plurality of DC/DC conversion module and described power bus-bar
It is connected, for the unidirectional current of the first voltage from described power bus-bar being converted to the unidirectional current of the second voltage, wherein,
Described first voltage is more than described second voltage；With multiple servers, wherein, each described DC/DC conversion module
It is that a described server is powered.
Rack electric power system according to embodiments of the present invention, the power consumption and the electric power that decrease whole machine cabinet power bus-bar are female
The use sectional area of line, with the materials'use reducing power bus-bar and the windage effect brought due to power bus-bar.Additionally,
Owing to power bus-bar is that HVDC is powered, therefore use direct current backup battery, decrease reversals, promote electric power
Service efficiency.
In one embodiment of the invention, the sectional area of described power bus-bar determines according to below equation:
Wherein, A is the sectional area of described power bus-bar, and L is the length of described power bus-bar, and ρ is resistivity, and I is
Transmission electric current, Δ U is the voltage drop of described power bus-bar.
By changing the size of transmission electric current I, the size of the sectional area A of power bus-bar can be changed accordingly, therefore,
Reducing transmission electric current, use material and the circuit power consumption of the sectional area of power bus-bar reduce the most therewith, have saved cost.
In one embodiment of the invention, described rack electric power system, also include: alternating current input module, institute
State alternating current input module to be connected with at least one ac/dc modular converter described, for by described alternating current transformation extremely
The alternating current of tertiary voltage offer are at least one ac/dc modular converter described.
Additionally, described rack electric power system also includes that backup battery, described backup battery are connected with described power bus-bar,
It is that the plurality of server is powered when described alternating current input module fault by described backup battery.
Wherein, described backup battery uses DC UPS UPS.
In an example of the present invention, described tertiary voltage is three-phase 380V or single-phase 220V, described first voltage
Being about 48V or 240V, described second voltage is about 12V.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will become bright from the following description of the accompanying drawings of embodiments
Aobvious and easy to understand, wherein:
Fig. 1 is the rack electric power system structural representation according to the embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below by ginseng
The embodiment examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.For letter
Changing disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative,
And it is not intended to limit the present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiment and/or arranging
Relation.Additionally, the various specific technique that the invention provides and the example of material, but ordinary skill people
Member is it can be appreciated that the property of can be applicable to of other techniques and/or the use of other materials.It addition, described below first is special
Levy second feature it " on " structure can include that the first and second features are formed as the embodiment directly contacted, also
Can include the embodiment that other feature is formed between the first and second features, such first and second features may
It it not directly contact.
In describing the invention, it should be noted that unless otherwise prescribed and limit, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be mechanically connected or electrically connect, it is also possible to be two elements
Internal connection, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
With reference to explained below and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention.Describe at these
With in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, represent and implement the present invention's
Some modes of the principle of embodiment, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary,
All changes in the range of spirit that embodiments of the invention include falling into attached claims and intension, amendment and
Equivalent.
The rack electric power system proposed according to embodiments of the present invention is described referring to Fig. 1.
As it is shown in figure 1, this rack electric power system include at least one ac/dc modular converter 101, power bus-bar 102,
Multiple DC/DC conversion modules 103 and multiple server 104.Wherein, at least one ac/dc modular converter 101
For the alternating current of input being converted to the unidirectional current with the first voltage.In one embodiment of the invention, exchange/
DC conversion modules 101 is multiple, and backups each other.Power bus-bar 102 is connected with ac/dc modular converter 101,
For collecting, distribute and transmit the unidirectional current of the first voltage.Multiple DC/DC conversion modules 103 are all and power bus-bar
102 are connected, for the unidirectional current of the first voltage from power bus-bar 102 being converted to the unidirectional current of the second voltage, its
In, the first voltage is more than described second voltage.Each DC/DC conversion module 103 is that a server 104 is powered.
Additionally, each DC/DC conversion module can also be arranged on the internal direct current conversion backboard of the server of correspondence,
Which simplify the Electric Design of whole machine cabinet external server.In other embodiments of the invention, DC/DC conversion
Module 103 may also be arranged on the outside of server 104, does not repeats them here.Each server also includes mainboard, hard
The unit such as dish.
In an example of the present invention, the first voltage is about 48V or 240V, and the second voltage is about 12V.Due to
The second voltage that the first voltage on power bus-bar is carried more than existing power bus-bar, therefore can reduce power bus-bar
Sectional area can be greatly decreased.The most in this embodiment, the first voltage (48V or 240V) is only illustrative,
The most also may select other any voltage higher than the second voltage.
In one embodiment of the invention, above-mentioned rack electric power system also includes alternating current input module 105.Alternating current
Input module 105 is connected with at least one ac/dc modular converter 101, is used for alternating current transformation to tertiary voltage
Alternating current and be supplied at least one ac/dc modular converter 101.Additionally, this rack electric power system also includes standby
Part power supply 106, backup battery 106 is connected with power bus-bar 102, and passes through when alternating current input module 105 fault
Backup battery 106 is powered for multiple servers 104.In an example of the present invention, tertiary voltage can be three-phase
380V or single-phase 220V.
Wherein, in one embodiment of the invention, backup battery 106 uses direct current UPS (Uninterruptible Power
System, uninterrupted power source).
When the alternating current input module normal power supply of rack electric power system, backup battery is connected on power bus-bar charging
Or floating charge；When the alternating current input module fault of rack electric power system, backup battery is directly that multiple server supplies
Electricity.
Backup battery uses direct current UPS, decreases traditional UPS reversals, improves electricity usage efficiency.
In one embodiment of the invention, the sectional area of power bus-bar determines according to below equation:
Wherein, A is the sectional area of power bus-bar, and L is the length of power bus-bar, and ρ is resistivity, and I is transmission electric current,
Δ U is the voltage drop of power bus-bar.
Under conditions of power is constant, transmission electric current I is by formula U0I0=UI determines.U0And I0For existing complete machine
Voltage when cabinet is powered, electric current, voltage when U and I is to apply according to the embodiment of the present invention, electric current.Such as, if
Transmission voltage increase is to 48V, and transmission voltage when existing whole machine cabinet is powered is 12V, then on power bus-bar
Transmission electric current will reduce about 4 times.The rest may be inferred, if transmission voltage increase is to 240V, the transmission on power bus-bar
Electric current will reduce about 20 times.
From formula (1) it is known that by the size changing transmission electric current I, cutting of power bus-bar can be changed accordingly
The size of area A.It is now assumed that the voltage drop Δ U of power bus-bar is constant, sectional area A is directly proportional to transmission electric current I,
Transmission electric current reduces 20 times, then the sectional area of power bus-bar also reduces 20 times, the use material of the sectional area of power bus-bar
Material and circuit power consumption reduce the most therewith, have saved cost.
Rack electric power system according to embodiments of the present invention, the power consumption and the electric power that decrease whole machine cabinet power bus-bar are female
The use sectional area of line, with the materials'use reducing power bus-bar and the windage effect brought due to power bus-bar.Additionally,
Owing to power bus-bar is that HVDC is powered, therefore use direct current backup battery, decrease reversals, promote electric power
Service efficiency.
In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes
One or more is for realizing the module of code of executable instruction of step of specific logical function or process, fragment
Or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or
The order discussed, including according to involved function by basic mode simultaneously or in the opposite order, performs function,
This should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or the logic described otherwise above at this and/or step, for example, it is possible to be considered as to use
In the sequencing list of the executable instruction realizing logic function, may be embodied in any computer-readable medium,
For instruction execution system, device or equipment (system such as computer based system, including processor or other can
With from instruction execution system, device or equipment instruction fetch the system performing instruction) use, or combine these instructions and hold
Row system, device or equipment and use.For the purpose of this specification, " computer-readable medium " can be any can comprise,
Store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or combines these instructions and performs system
System, device or equipment and the device that uses.More specifically example (non-exhaustive list) bag of computer-readable medium
Include following: there is the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device),
Random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM
Or flash memory), fiber device, and portable optic disk read only memory (CDROM).It addition, computer
Computer-readable recording medium can even is that paper or other the suitable media that can print described program thereon, because can be the most logical
Cross and paper or other media are carried out optical scanning, then carry out editing, interpret or carrying out with other suitable methods if desired
Process and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.Upper
Stating in embodiment, multiple steps or method in memory and can be performed by suitable instruction execution system with storage
Software or firmware realize.Such as, if realized with hardware, with the most the same, can use this
Any one or their combination in following technology known to field realize: have for data signal is realized logic
The discrete logic of the logic gates of function, has the special IC of suitable combination logic gate circuit, can
Programming gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that and realize all or part of step that above-described embodiment method is carried
The program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer-readable storage
In medium, this program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated
Module both can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.Described integrated
If module realize using the form of software function module and as independent production marketing or when using, it is also possible to storage
In a computer read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
The description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes specific features,
Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to upper
The schematic representation stating term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand these embodiments can be carried out without departing from the principles and spirit of the present invention multiple change, amendment,
Replacing and modification, the scope of the present invention is limited by claims and equivalent thereof.
Claims (5)
1. a rack electric power system, it is characterised in that including:
At least one ac/dc modular converter, for being converted to the unidirectional current with the first voltage by the alternating current of input；
Power bus-bar, described power bus-bar is connected with at least one ac/dc modular converter described, is used for collecting, dividing
Join and transmit the unidirectional current of described first voltage；
Multiple DC/DC conversion modules, the plurality of DC/DC conversion module is connected with described power bus-bar, is used for
The unidirectional current of the first voltage from described power bus-bar is converted to the unidirectional current of the second voltage, wherein, described first
Voltage is more than described second voltage；With
Multiple servers, wherein, each described DC/DC conversion module is that a described server is powered；
Described second voltage is about 12V；
Also include:
Backup battery, described backup battery is connected with described power bus-bar, passes through institute when alternating current input module fault
Stating backup battery is that the plurality of server is powered；
Described backup battery uses DC UPS UPS.
2. rack electric power system as claimed in claim 1, it is characterised in that the sectional area of described power bus-bar according to
Below equation determines:
Wherein, A is the sectional area of described power bus-bar, and L is the length of described power bus-bar, and ρ is resistivity, and I is
Transmission electric current, Δ U is the voltage drop of described power bus-bar.
3. rack electric power system as claimed in claim 1, it is characterised in that also include:
Alternating current input module, described alternating current input module is connected with at least one ac/dc modular converter described,
For by the alternating current of described alternating current transformation to tertiary voltage and provide at least one ac/dc modulus of conversion described
Block.
4. rack electric power system as claimed in claim 3, it is characterised in that described tertiary voltage is three-phase 380V
Or single-phase 220V.
5. the rack electric power system as described in any one of claim 1-3, it is characterised in that described first voltage is about
48V or 240V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144964.4A CN103391012B (en) | 2012-05-10 | 2012-05-10 | Rack electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144964.4A CN103391012B (en) | 2012-05-10 | 2012-05-10 | Rack electric power system |
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| Publication Number | Publication Date |
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| CN103391012A CN103391012A (en) | 2013-11-13 |
| CN103391012B true CN103391012B (en) | 2016-12-14 |
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| CN201210144964.4A Active CN103391012B (en) | 2012-05-10 | 2012-05-10 | Rack electric power system |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333122B (en) * | 2014-11-18 | 2018-05-11 | 华为技术有限公司 | Power bus circuit |
| CN104503561A (en) * | 2014-12-23 | 2015-04-08 | 浪潮电子信息产业股份有限公司 | Power supply system of server and server cabinet |
| CN106972621A (en) * | 2017-05-23 | 2017-07-21 | 北京世纪瑞尔软件有限公司 | A kind of DC power system of unattended station |
| CN110794944B (en) * | 2019-09-27 | 2021-06-29 | 苏州浪潮智能科技有限公司 | A power supply device and method |
| CN112130652A (en) * | 2020-09-11 | 2020-12-25 | 苏州浪潮智能科技有限公司 | Server cabinet power supply system and server |
| CN112103938B (en) * | 2020-10-10 | 2022-06-28 | 北京百度网讯科技有限公司 | Power supply architecture, method and system based on HVDC equipment |
| CN113904389A (en) * | 2021-11-04 | 2022-01-07 | 长城超云(北京)科技有限公司 | Power supply system and complete machine cabinet |
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| CN201622512U (en) * | 2010-04-07 | 2010-11-03 | 深圳市腾讯计算机系统有限公司 | Server cabinet |
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| CN201290019Y (en) * | 2008-09-28 | 2009-08-12 | 韦永奎 | Postpositive back-up power system |
| CN201622512U (en) * | 2010-04-07 | 2010-11-03 | 深圳市腾讯计算机系统有限公司 | Server cabinet |
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| CN103391012A (en) | 2013-11-13 |
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