CN109062392A - It is a kind of to automatically switch equipment, the method and system that server board is powered - Google Patents
It is a kind of to automatically switch equipment, the method and system that server board is powered Download PDFInfo
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- CN109062392A CN109062392A CN201811081463.XA CN201811081463A CN109062392A CN 109062392 A CN109062392 A CN 109062392A CN 201811081463 A CN201811081463 A CN 201811081463A CN 109062392 A CN109062392 A CN 109062392A
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- power supply
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- core
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
Abstract
The invention discloses a kind of equipment of automatic switchover server board power supply, and the equipment includes: power control circuit, for receiving the starting-up signal of server master board and the Aux power supply signal of server power supply board；It is also used to when the starting-up signal of the server master board is effective, the Aux power supply signal is converted to the Core power supply signal of mainboard needs, and export control signal to power selection circuit；Power selection circuit is exported for the Core power supply signal according to the control signal behavior；Otherwise the output Aux power supply signal.Using the equipment, can Auto-Sensing on-off state, reduce the power switching time, improve power switching speed.The invention also discloses a kind of method and system of automatic switchover server board power supply.
Description
Technical field
The present invention relates to server technology field more particularly to a kind of equipment for automatically switching the power supply of server board, side
Method and system.
Background technique
With the fast development of big data and Internet technology, the development and evolution of server are also increasingly important.Its
In for Intel company propose x86 framework server, under the state that is not keyed up, server board still can be certain module
Component is powered to guarantee normal realization of its function under server off-mode.Such as network interface card part, it is being not keyed up shape
Under state, the linking functions of the direct wake servers network interface card of network can be passed through.
Therefore when for the power supply of server board, can there are shutdown power supply and booting two kinds of power supply modes of power supply, wherein closing
Machine power supply refers to that booting, which is powered, to be referred in server open state for server board card portion module for power supply under server off-mode
It powers for server board down.Now for the switching of above two power supply mode, BMC (Baseboard is generally utilized
Management Controller, baseboard management controller) and CPLD (Complex programmable logic
Device, Complex Programmable Logic Devices) operating status when server is obtained, after judge that server has been switched on, output
Switch-over control signal completes power switching to power switching route, but this method is because control process complexity will lead to power supply
The response time of the process of switching is long, and power switching speed is slow.
Summary of the invention
In order to solve the above technical problem existing in the prior art, the present invention provides a kind of automatic switchover server board
Equipment, the method and system of power supply, can Auto-Sensing on-off state, reduce the power switching time, improve power switching speed
Degree.
The present invention provides a kind of equipment of automatic switchover server board power supply, the equipment includes:
Power control circuit, for receiving the starting-up signal of server master board and the Aux power supply signal of server power supply board；
It is also used to when the starting-up signal of the server master board is effective, the Aux power supply signal is converted to the Core of mainboard needs
Power supply signal, and control signal is exported to power selection circuit；
Power selection circuit is exported for the Core power supply signal according to the control signal behavior；Otherwise output institute
State Aux power supply signal.
Optionally, the equipment further include: signal conversion module；
The input terminal of the signal conversion module connects the enable signal of the power control circuit output；
The signal conversion module, for when the enable signal is effective, exporting significant level signal to the power supply
Selection circuit, so that the power selection circuit exports the Core power supply signal.
Optionally, the power selection circuit includes: NMOS tube and PMOS tube；
The grid of the NMOS tube and the grid of PMOS are all connected with the significant level signal of the signal conversion module output；
The drain electrode of the NMOS tube connects the Core power supply signal；
The drain electrode of the PMOS tube connects the Aux power supply signal；
The source electrode of the NMOS tube and PMOS tube links together.
Optionally, the input-output characteristic of the signal conversion module are as follows:
When input is high level, output is high level；When input is low level, output is low level.
Optionally, the equipment further include: resistance；
The first end of the resistance connects the grid of the NMOS tube and PMOS tube, the second end ground connection of the resistance.
Optionally, the Core power supply signal is 3.3V.
The embodiment of the invention also provides a kind of methods of automatic switchover server board power supply, cut automatically applied to described
The equipment for changing the power supply of server board, which comprises
Receive the starting-up signal of server master board and the Aux power supply signal of server power supply board；When the server master board
Starting-up signal it is effective when, by the Aux power supply signal be converted to mainboard needs Core power supply signal, and export control letter
Number；
It is exported according to Core power supply signal described in the control signal behavior；Otherwise the output Aux power supply signal.
Optionally, the Core power supply signal according to the control signal behavior exports, and specifically includes:
Using the control signal as enable signal；
When the enable signal is effective, significant level signal is exported, according to the significant level signal behavior
The output of Core power supply signal.
Optionally, the Core power supply signal that the mainboard needs is 3.3V.
The embodiment of the invention also provides a kind of systems of automatic switchover server board power supply, and the system comprises described
Automatically switch the equipment of server board power supply.
Compared with prior art, the present invention has at least the following advantages:
The equipment provided by the invention for automatically switching the power supply of server board includes power control circuit and power supply selection
Circuit.Wherein power control circuit receives the starting-up signal of server master board and the Aux power supply signal of server power supply board, works as clothes
The starting-up signal of business device mainboard is effective, i.e., when server master board is switched on, the starting-up signal is as the enabled of power control circuit
Signal, Aux power supply signal is converted to the Core power supply signal of mainboard needs by enabled power control circuit, and exports control signal
To power selection circuit, the output of power selection circuit Core power supply signal according to the control signal behavior；If otherwise clothes
Business device mainboard is not keyed up, conversion of the power control circuit without signal, and power selection circuit exports the Aux for telecommunications at this time
Number.Using it is provided by the invention automatic switchover server board power supply equipment, can Auto-Sensing on-off state, reduce supply
Electric switching time improves power switching speed.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of schematic diagram of the equipment for automatic switchover server board power supply that the embodiment of the present application one provides；
Fig. 2 is a kind of schematic diagram of the equipment for automatic switchover server board power supply that the embodiment of the present application two provides；
Fig. 3 is that a kind of working principle of the equipment for automatic switchover server board power supply that the embodiment of the present application three provides is shown
It is intended to；
Fig. 4 is a kind of flow chart of the method for automatic switchover server board power supply that the embodiment of the present application four provides；
Fig. 5 is a kind of structure chart of the system for automatic switchover server board power supply that the embodiment of the present application five provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, which is a kind of equipment for automatic switchover server board power supply that the embodiment of the present application one provides
Schematic diagram.
The equipment for automatically switching the power supply of server board includes: power control circuit 101 and power selection circuit
102。
Power control circuit 101, for receiving the starting-up signal of server master board and the Aux of server power supply board for telecommunications
Number；It is also used to when the starting-up signal of the server master board is effective, the Aux power supply signal is converted into mainboard needs
Core power supply signal, and control signal is exported to power selection circuit 102.
Wherein Aux power supply signal refers to the server power supply in shutdown state still remained, and Core power supply signal, which refers to, is
The power supply just having after system booting, due to needing to switch to Core power supply signal after booting, the embodiment of the present application is controlled using power supply
The Aux power supply signal is converted to the Core power supply signal of mainboard needs by circuit 101.
It should be noted that the Core power supply signal is 3.3V.The Core power supply signal of 3.3V is primarily to service
The power supply such as device board peripheral equipment and control chip, such as the power supply of peripheral circuit, USB interface on network interface card part, video card
And the power supply of solid state hard disk.
When server is in open state, server master board sends starting-up signal, the signal to power control circuit 101
It can be analog signal and be also possible to digital signal.
Power selection circuit 102 is exported for the Core power supply signal according to the control signal behavior；Otherwise output
The Aux power supply signal.
The equipment provided by the embodiments of the present application for automatically switching the power supply of server board includes power control circuit and electricity
Source selection circuit.Wherein power control circuit receives the starting-up signal of server master board and the Aux of server power supply board for telecommunications
Number, when the starting-up signal of server master board is effective, i.e., server master board is switched on, the starting-up signal is as power control circuit
Enable signal, Aux power supply signal is converted to the Core power supply signal of mainboard needs by enabled power control circuit, and exports control
Signal processed is exported to power selection circuit, power selection circuit according to Core power supply signal described in the control signal behavior；Instead
If server master board be not keyed up, conversion of the power control circuit without signal, power selection circuit exports the Aux at this time
Power supply signal.Using it is provided by the invention automatic switchover server board power supply equipment, can Auto-Sensing on-off state,
The power switching time is reduced, power switching speed is improved.
Embodiment two:
What is provided based on the above embodiment automatically switches the equipment of server board power supply, and the present embodiment increases in a device
Signal conversion module, illustrates its working principle with reference to the accompanying drawing.
Referring to fig. 2, which is a kind of equipment for automatic switchover server board power supply that the embodiment of the present application two provides
Schematic diagram.
The equipment for automatically switching the power supply of server board includes: power control circuit 101, power selection circuit 102
With signal conversion module 201.
The input terminal of signal conversion module 201 connects the enable signal that the power control circuit 101 exports；
Signal conversion module 201 is selected for when the enable signal is effective, exporting significant level signal to the power supply
Circuit is selected, so that the power selection circuit exports the Core power supply signal.
It should be noted that power selection circuit 102 has the ability of selection on-off circuit, and in order to realize the ability, electricity
It generally requires that gate circuit chip is added in road, i.e., not only can control its conducting by controlling signal, but also can control its shutdown
Power electronic devices, such as gate level turn-off thyristor, electric power field effect transistor, insulated gate bipolar transistor etc..Due to device
When part turning circuit, instantaneous excessive electric current or current-rising-rate and burn out device；When device isolation circuitry, instantaneous excessive electricity
Pressure or voltage build-up rate may cause device inside and flow through excessive junction capacity electric current and cause and accidentally touch, and ask in order to avoid above-mentioned
Topic, the embodiment of the present application increase signal conversion module 201 before power selection circuit 102.
The input-output characteristic of the signal conversion module 201 are as follows:
When input is high level, output is high level；When input is low level, output is low level.
As it can be seen that signal conversion module only serves the effect of protection circuit, do not change the level height of circuit signal, it will not
Influence the ability of the selection on-off circuit of power selection circuit 102.
The embodiment of the present application is by increasing signal conversion module in the equipment of the automatic switchover server board power supply
Cause the variation of instantaneous voltage and electric current to limit power selection circuit in conducting and isolation circuitry, and then power supply is selected
The running wastage of circuit is transferred in signal conversion module, realizes the protection to power selection circuit.
Embodiment three:
Based on the equipment for automatically switching the power supply of server board introduced in embodiment two, illustrate with reference to the accompanying drawing
The working principle of power selection circuit.
Referring to Fig. 3, which is a kind of equipment for automatic switchover server board power supply that the embodiment of the present application three provides
Operation principle schematic diagram.
The power selection circuit of the equipment includes: NMOS tube and PMOS tube.The equipment further include: resistance R.
The connection type of NMOS tube and PMOS tube is as follows:
The grid of NMOS tube and the grid of PMOS are all connected with the significant level signal that the signal conversion module 201 exports；
The drain electrode of NMOS tube connects the Core power supply signal；
The drain electrode of PMOS tube connects the Aux power supply signal；
The source electrode of the NMOS tube and PMOS tube links together.
Wherein the grid of NMOS tube is that high level is opened, and the grid of PMOS tube is that low level is opened.
The input-output characteristic of signal conversion module 201 are as follows:
When input is high level, output is high level；When input is low level, output is low level.
The grid of first end the connection NMOS tube and PMOS tube of resistance R, the second end ground connection of resistance R.
The working principle of power selection circuit is specifically described below:
When system is not keyed up, the starting-up signal of the server master board is invalid signals, cannot enable power supply control electricity
Road 101, so conversion of the power control circuit 101 without signal at this time, power control circuit 101 exports invalid control letter
Number, which is low level, and signal conversion module 201 exports inactive level after receiving the invalid control signal
Signal is to power selection circuit 102, which is also low level, at this time the gate off of NMOS tube, PMOS tube
Grid is opened, and the Aux power supply signal of PMOS tube conducting, the server power supply board is inputted from the drain electrode of PMOS tube, source electrode output,
Output board card power supply signal i.e. at this time is the Aux power supply signal of server power supply board.
When system is already powered on, the starting-up signal of the server master board is useful signal, enables power control circuit 101
Signal conversion is carried out, the Aux power supply signal is converted to the Core power supply signal of mainboard needs and incited somebody to action by power control circuit 101
The Core power supply signal exports the drain electrode to NMOS tube, while exporting effective control signal to signal conversion module 201, this
It is high level that Shi Suoshu, which effectively controls signal, and signal conversion module 201 exports effectively electricity after receiving the effective control signal
Ordinary mail number gives power selection circuit 102, which is also high level.PMOS tube is when receiving the high level signal
Gate off, and then the output of the Aux power supply signal of the server power supply board is blocked, and NMOS tube is receiving the high level
Grid is opened when signal, and the Core power supply signal can be inputted from the drain electrode of NMOS tube, source electrode output, i.e., output board at this time
Card power supply signal is the Core power supply signal that the mainboard needs.
The equipment provided by the embodiments of the present application for automatically switching the power supply of server board is obtaining system switching machine state
Afterwards, subsequent to carry out signal conversion automatically and automatically switch two kinds of power supply modes, it is set using provided by the embodiments of the present application
It is standby, it is possible to reduce the time of power supply control switching, the more conversion of quick response system switching on and shutting down.
Example IV:
What is provided based on the above embodiment automatically switches the equipment of server board power supply, the embodiment of the present application also provides
A method of automatically switching the power supply of server board, is illustrated with reference to the accompanying drawing.
Referring to fig. 4, which is a kind of method for automatic switchover server board power supply that the embodiment of the present application four provides
Flow chart.
Described method includes following steps:
S401: the starting-up signal of server master board and the Aux power supply signal of server power supply board are received.
S402: judge whether the starting-up signal is effective.If it effectively, executes S403, otherwise executes S405.
S403: the Aux power supply signal is converted to the Core power supply signal of mainboard needs, and exports control signal.
Wherein, the Core power supply signal that mainboard needs is 3.3V.
S404: it is exported according to Core power supply signal described in the control signal behavior.
Specifically, using the control signal as enable signal, when the enable signal is effective, output significant level letter
Number, it is exported according to Core power supply signal described in the significant level signal behavior.
S405: the Aux power supply signal is exported.
The method provided by the embodiments of the present application for automatically switching the power supply of server board will when server master board booting
The Aux power supply signal is converted to the Core power supply signal of mainboard needs, and exports control signal, is selected according to the control signal
Select the Core power supply signal output.When server master board is not keyed up, without the conversion of signal, the Aux power supply is exported
Signal is mainboard.It, being capable of Auto-Sensing switching on and shutting down shape using the method for automatic switchover server board power supply provided by the invention
State reduces the power switching time, improves power switching speed.
Embodiment five:
What is provided based on the above embodiment automatically switches the equipment of server board power supply, the embodiment of the present application also provides
A kind of system automatically switching the power supply of server board, is illustrated with reference to the accompanying drawing.
Referring to Fig. 5, which is a kind of system for automatic switchover server board power supply that the embodiment of the present application five provides
Structure chart.
The system 500 for automatically switching the power supply of server board includes: power control circuit 101, power selection circuit
102 and signal conversion module 201.
Power control circuit 101, for receiving the starting-up signal of server master board and the Aux of server power supply board for telecommunications
Number；It is also used to when the starting-up signal of the server master board is effective, the Aux power supply signal is converted into mainboard needs
Core power supply signal, and control signal is exported to power selection circuit 102.
Signal conversion module 201 is selected for when the enable signal is effective, exporting significant level signal to the power supply
Circuit is selected, so that the power selection circuit exports the Core power supply signal.
Power selection circuit 102 is exported for the Core power supply signal according to the control signal behavior；Otherwise output
The Aux power supply signal.
The system provided by the embodiments of the present application for automatically switching the power supply of server board, it is described to open when server booting
Aux power supply signal is converted to mainboard needs by enable signal of the machine signal as power control circuit, enabled power control circuit
Core power supply signal, and export control signal to power selection circuit, power selection circuit is according to the control signal behavior
The Core power supply signal output；If server is not keyed up, conversion of the power control circuit without signal, power supply is selected at this time
Aux power supply signal described in circuit output.When being further added by signal conversion module to limit power selection circuit conducting and isolation circuitry
Cause the variation of instantaneous voltage and electric current, and then the running wastage of power selection circuit be transferred in signal conversion module,
Realize the protection to power selection circuit.Using system provided by the invention, Auto-Sensing on-off state can be realized, reduce
The power switching time improves power switching speed.
It in above-described embodiment, all emphasizes particularly on different fields for the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent
Variation and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. a kind of equipment for automatically switching the power supply of server board characterized by comprising
Power control circuit, for receiving the starting-up signal of server master board and the Aux power supply signal of server power supply board；Also use
In when the starting-up signal of the server master board is effective, the Core that the Aux power supply signal is converted to mainboard needs is powered
Signal, and control signal is exported to power selection circuit；
Power selection circuit is exported for the Core power supply signal according to the control signal behavior；Otherwise the output Aux
Power supply signal.
2. the equipment according to claim 1 for automatically switching the power supply of server board, which is characterized in that further include: signal
Conversion module；
The input terminal of the signal conversion module connects the enable signal of the power control circuit output；
The signal conversion module is selected for when the enable signal is effective, exporting significant level signal to the power supply
Circuit, so that the power selection circuit exports the Core power supply signal.
3. the equipment according to claim 2 for automatically switching the power supply of server board, which is characterized in that the power supply selection
Circuit includes: NMOS tube and PMOS tube；
The grid of the NMOS tube and the grid of PMOS are all connected with the significant level signal of the signal conversion module output；
The drain electrode of the NMOS tube connects the Core power supply signal；
The drain electrode of the PMOS tube connects the Aux power supply signal；
The source electrode of the NMOS tube and PMOS tube links together.
4. the equipment according to claim 2 for automatically switching the power supply of server board, which is characterized in that the signal conversion
The input-output characteristic of module are as follows:
When input is high level, output is high level；When input is low level, output is low level.
5. the equipment according to claim 1-3 for automatically switching the power supply of server board, which is characterized in that also wrap
It includes: resistance；
The first end of the resistance connects the grid of the NMOS tube and PMOS tube, the second end ground connection of the resistance.
6. the equipment according to claim 1 for automatically switching the power supply of server board, which is characterized in that the Core power supply
Signal is 3.3V.
7. a kind of method for automatically switching the power supply of server board, which is characterized in that be applied to any one of above claim 1-5
The equipment, which comprises
Receive the starting-up signal of server master board and the Aux power supply signal of server power supply board；When opening for the server master board
When machine signal is effective, the Aux power supply signal is converted to the Core power supply signal of mainboard needs, and exports control signal；
It is exported according to Core power supply signal described in the control signal behavior；Otherwise the output Aux power supply signal.
8. the method according to claim 7 for automatically switching the power supply of server board, which is characterized in that according to the control
The output of Core power supply signal described in signal behavior, specifically includes:
Using the control signal as enable signal；
When the enable signal is effective, significant level signal is exported, is supplied according to Core described in the significant level signal behavior
Electric signal output.
9. the method according to claim 7 for automatically switching the power supply of server board, which is characterized in that the mainboard needs
Core power supply signal be 3.3V.
10. a kind of system for automatically switching the power supply of server board, which is characterized in that the system comprises claim 1-5 to appoint
Equipment described in one.
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| CN201811081463.XA CN109062392B (en) | 2018-09-17 | 2018-09-17 | Equipment, method and system for automatically switching power supply of server board card |
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| CN201811081463.XA CN109062392B (en) | 2018-09-17 | 2018-09-17 | Equipment, method and system for automatically switching power supply of server board card |
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| CN109782885A (en) * | 2019-01-08 | 2019-05-21 | 佛山市伙伴联扬电子有限公司 | A kind of power supply and switching device of automatic sensing control lamp effect |
| CN110649694A (en) * | 2019-09-20 | 2020-01-03 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| CN114094689A (en) * | 2021-11-16 | 2022-02-25 | 苏州浪潮智能科技有限公司 | Power supply switching circuit and switching method thereof |
| CN115097924A (en) * | 2022-06-30 | 2022-09-23 | 苏州浪潮智能科技有限公司 | Multiplexing power supply unit of multiple equipment of server |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109782885A (en) * | 2019-01-08 | 2019-05-21 | 佛山市伙伴联扬电子有限公司 | A kind of power supply and switching device of automatic sensing control lamp effect |
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| CN110649694B (en) * | 2019-09-20 | 2023-09-22 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| CN114094689A (en) * | 2021-11-16 | 2022-02-25 | 苏州浪潮智能科技有限公司 | Power supply switching circuit and switching method thereof |
| CN114094689B (en) * | 2021-11-16 | 2023-08-08 | 苏州浪潮智能科技有限公司 | Power supply switching circuit and switching method thereof |
| CN115097924A (en) * | 2022-06-30 | 2022-09-23 | 苏州浪潮智能科技有限公司 | Multiplexing power supply unit of multiple equipment of server |
| CN115097924B (en) * | 2022-06-30 | 2023-07-18 | 苏州浪潮智能科技有限公司 | Multi-equipment multiplexing power supply device for server |
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