CN108039770A - A kind of server power supply adapter and battery powered seamless handover method and circuit - Google Patents
A kind of server power supply adapter and battery powered seamless handover method and circuit Download PDFInfo
- Publication number
- CN108039770A CN108039770A CN201810036536.7A CN201810036536A CN108039770A CN 108039770 A CN108039770 A CN 108039770A CN 201810036536 A CN201810036536 A CN 201810036536A CN 108039770 A CN108039770 A CN 108039770A
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- CN
- China
- Prior art keywords
- switch
- power supply
- battery powered
- voltage
- control chip
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Power Sources (AREA)
Abstract
An embodiment of the present invention provides a kind of server power supply adapter and battery powered seamless handover method, including, detecting power supply adaptor switch input and output voltage, when input voltage is more than output voltage, controlling switch is opened；When input voltage is less than output voltage, power supply control chip controlling switch is closed；Battery powered switch input and output voltage is detected, when input voltage is more than output voltage, controlling switch is opened；When input voltage is less than output voltage, power supply control chip controlling switch is closed.The power supply adaptor, battery powered are connected by switch and load, for providing electric energy to server.The embodiment of the present invention solve server traditional power adaptor to battery powered switch when issuable Voltage Drop and caused by system power failure or the risk of section components power down, improve the product stability of server.Present invention also offers a kind of server power supply adapter and battery powered seamless switching circuit.
Description
Technical field
The present invention relates to server field.
Background technology
Current server is for power supply adaptor and battery powered design method, respectively using power supply control chip
Power supply adaptor power path and battery supply path are controlled, uses opening for system sequence control chip control two-way power path
Close, achieve the purpose that system power supply switches.
It is existing using time schedule controller come control design method that power supply adaptor and battery powered switch there are the problem of
It is that power supply control chip can just send abnormal alarm signal when power adapter voltage, which falls, normal voltage range, when
Sequence controller is received after alarm signal, it is necessary to which control signal can be just sent through processing after a while gives battery powered control
Coremaking piece.
Meanwhile battery powered control chip receives and needs after control signal a period of time processing just can be by controlling switch
Open, so during power supply switches, power supply vacuum occurs in system power supply input terminal.Switch electricity in time schedule controller
In source this period (about several milliseconds) power supply adaptor can not power and meanwhile battery control switch be not turned on can not
Power supply, can so cause system power supply appearance is larger to fall, this falls may lead to system abnormity shutdown or section components power down,
The stability of server can largely be influenced.
The content of the invention
The present invention will be that settlement server power supply adaptor influences to service with the Voltage Drop in battery powered handoff procedure
The technical problem of device stability.For this reason, the present invention provides a kind of server power supply adapter and battery powered seamless handover method
And circuit, it have settlement server traditional power adaptor to battery powered switch when issuable Voltage Drop and cause
System power failure or section components power down risk, improve the product stability advantage of server.
To achieve these goals, the present invention adopts the following technical scheme that.
A kind of server power supply adapter and battery powered seamless handover method, including, detecting power supply adaptor switch is defeated
Enter output voltage, when input voltage is more than output voltage, controlling switch is opened；When input voltage is less than output voltage, electricity
Source control chip controlling switch is closed；Battery powered switch input and output voltage is detected, when input voltage is more than output voltage,
Controlling switch is opened；When input voltage is less than output voltage, power supply control chip controlling switch is closed.The power adaptation
Device, battery powered are connected by switch and load, for providing electric energy to server.
A kind of server power supply adapter and battery powered seamless switching circuit, including, power supply adaptor supply access and
Battery powered path；Power supply adaptor supply access includes power supply adaptor power supply module, first switch, the first control chip,
Power supply adaptor power supply module is connected by first switch and load, and the first control chip is by detecting first switch input and output
Terminal voltage, control first switch open or close.Battery powered path includes battery powered module, second switch, the second control
Chip, power supply adaptor power supply module are connected by second switch and load, and the second control chip is defeated by detecting second switch
Enter output end voltage, control second switch opens or closes.
Preferably, when the input voltage at first switch both ends is more than output voltage, the first control chip control first is opened
Close and open；When the input voltage at first switch both ends is less than output voltage, the first control chip control first switch is closed.
Preferably, when the input voltage at second switch both ends is more than output voltage, the second control chip control second is opened
Close and open；When the input voltage at second switch both ends is less than output voltage, the second control chip control second switch is closed.
Beneficial effects of the present invention：Solve server traditional power adaptor to battery powered switch when it is issuable
Voltage Drop and caused by system power failure or the risk of section components power down, improve the product stability of server.
Brief description of the drawings
Fig. 1 is power supply adaptor power supply control conspectus in comparative example.
Fig. 2 is battery powered control circuit schematic diagram in comparative example.
Fig. 3 is the system sequence controller control power supply switching circuit of comparative example.
Fig. 4 is the connection diagram of embodiment.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Comparative example
As shown in Figures 1 to 3, existing server power supply mode, respectively using power supply control chip control power supply adaptor electricity
Source path and battery supply path, using the switch of system sequence control chip control two-way power path, reach system power supply
The purpose of switching.As shown in Figure 1, with power supply control chip U1 controlling switch Q1, when power supply adaptor when, open Q1, electricity consumption
The power supply of source adapter is to system power supply.As shown in Fig. 2, with power supply control chip U2 controlling switch Q2, when power supply adaptor electricity
When accident power-off occurs for source, Q2 is opened, system power supply is given with battery (P12V_BBU).
As shown in figure 3, when power supply adaptor powers generation accident power-off, system sequence controller (CPLD) is connected to power supply
After adapter abnormal signal (AC_FAIL), send instructions to battery powered control chip U2, allow battery control chip to open control and open
Close Q2；Send instructions at the same time to power supply adaptor control chip U1, allow power supply adaptor control chip closing control to switch Q1, complete
Power supply adaptor and battery powered switching action.
Embodiment
A kind of server power supply adapter and battery powered seamless handover method, including, detecting power supply adaptor switch is defeated
Enter output voltage, when input voltage is more than output voltage, controlling switch is opened；When input voltage is less than output voltage, electricity
Source control chip controlling switch is closed；Battery powered switch input and output voltage is detected, when input voltage is more than output voltage,
Controlling switch is opened；When input voltage is less than output voltage, power supply control chip controlling switch is closed.The power adaptation
Device, battery powered are connected by switch and load, for providing electric energy to server.
A kind of server power supply adapter and battery powered seamless switching circuit, including, power supply adaptor supply access and
Battery powered path；Power supply adaptor supply access includes power supply adaptor power supply module PSU, first switch Q3, the first control
Chip U3, power supply adaptor power supply module PSU are connected by first switch Q3 and load, and the first control chip U3 passes through detecting the
One switch Q3 input and output terminal voltages, control first switch Q3 are opened or closed.Battery powered path includes battery powered module
BBU, second switch Q4, the second control chip U4, power supply adaptor power supply module are connected by second switch Q4 and load, and second
Control chip U4 is opened or closed by detecting second switch Q4 input and output terminal voltages, control second switch Q4.
In the present embodiment, detailed process further includes：
1. confirm power supply adaptor power supply module PSU output voltages specification, it is specified that power supply adaptor power supply module PSU voltages
For 12V ± 5% (11.4V~12.6V)
2. battery powered module BBU output voltages specification is confirmed, it is specified that battery powered module BBU voltage 9V~11.4V, i.e.,
Battery powered module BBU is 11.4V, minimum voltage 9V full of piezoelectric voltage
3. confirm system power selection suitable switch Q3, Q4, this example using lower-end storage server system power 30A as
Example, selecting switch model CSD16415Q5.
4. select control chip model LM5050-2.
5. when power supply adaptor normal power supply, Q3 is opened, and Q4 is closed, and system is powered by power supply adaptor, system voltage
For 12V；When occurring abnormal (electric network power-fail or power supply adaptor failure etc.), power supply adaptor power supply module PSU voltages are rapid
Decline, when power adapter voltage is less than 11.4V, the second control chip U2 detects input voltage (battery is full of piezoelectric voltage)
More than output voltage, second switch Q4 is opened, the first control chip U3 detects input voltage (power adapter voltage) at this time
Less than output voltage, first switch Q3 is closed, completes power supply adaptor power supply module to the seamless switching of battery powered module.
The present embodiment is compared with comparative example, when power supply adaptor power supply module and battery powered module switch using input
The design method of output voltage detecting control switching replaces the design method of traditional time schedule controller control switching, solves service
Device traditional power adaptor to battery powered switch when issuable Voltage Drop and caused by system power failure or section components
The risk of power down, improves the product stability of server.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (4)
1. a kind of server power supply adapter and battery powered seamless handover method, it is characterised in that including detecting power adaptation
Device switchs input and output voltage, and when input voltage is more than output voltage, controlling switch is opened；When input voltage is less than output electricity
During pressure, power supply control chip controlling switch is closed；Battery powered switch input and output voltage is detected, when input voltage is more than output
During voltage, controlling switch is opened；When input voltage is less than output voltage, power supply control chip controlling switch is closed；The electricity
Source adapter, battery powered are connected by switch and load, for providing electric energy to server.
2. a kind of server power supply adapter and battery powered seamless switching circuit, it is characterised in that including power supply adaptor supplies
Electric pathway and battery powered path；Power supply adaptor supply access includes power supply adaptor power supply module, first switch, the first control
Coremaking piece, power supply adaptor power supply module are connected by first switch and load, and the first control chip is by detecting first switch
Input and output terminal voltage, control first switch open or close；Battery powered path include battery powered module, second switch,
Second control chip, power supply adaptor power supply module are connected by second switch and load, and the second control chip passes through detecting the
Two switch input and output terminal voltages, control second switch open or close.
3. server power supply adapter as claimed in claim 2 and battery powered seamless switching circuit, it is characterised in that when
When the input voltage of one switch ends is more than output voltage, the first control chip control first switch is opened；When first switch two
When the input voltage at end is less than output voltage, the first control chip control first switch is closed.
4. server power supply adapter as claimed in claim 2 and battery powered seamless switching circuit, it is characterised in that when
When the input voltage of two switch ends is more than output voltage, the second control chip control second switch is opened；When second switch two
When the input voltage at end is less than output voltage, the second control chip control second switch is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036536.7A CN108039770A (en) | 2018-01-15 | 2018-01-15 | A kind of server power supply adapter and battery powered seamless handover method and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036536.7A CN108039770A (en) | 2018-01-15 | 2018-01-15 | A kind of server power supply adapter and battery powered seamless handover method and circuit |
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| CN108039770A true CN108039770A (en) | 2018-05-15 |
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| CN201810036536.7A Pending CN108039770A (en) | 2018-01-15 | 2018-01-15 | A kind of server power supply adapter and battery powered seamless handover method and circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525033A (en) * | 2018-11-29 | 2019-03-26 | 威创集团股份有限公司 | Power supply circuit, method and low-power projection device |
| CN110336367A (en) * | 2019-07-12 | 2019-10-15 | 苏州浪潮智能科技有限公司 | A kind of control device and server |
| WO2021195509A3 (en) * | 2020-03-26 | 2021-12-16 | Zonit Structured Solutions, Llc | Intelligent automatic transfer switch module |
| WO2024021473A1 (en) * | 2022-07-25 | 2024-02-01 | 上海闻泰信息技术有限公司 | Power supply switching circuit, system and method for electronic device |
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| CN107037868A (en) * | 2017-05-23 | 2017-08-11 | 郑州云海信息技术有限公司 | A kind of cold standby TURP based on storage system changes system and method |
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| CN101728866A (en) * | 2008-10-21 | 2010-06-09 | 中兴通讯股份有限公司 | Device and method for realizing switching of power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525033A (en) * | 2018-11-29 | 2019-03-26 | 威创集团股份有限公司 | Power supply circuit, method and low-power projection device |
| CN110336367A (en) * | 2019-07-12 | 2019-10-15 | 苏州浪潮智能科技有限公司 | A kind of control device and server |
| WO2021195509A3 (en) * | 2020-03-26 | 2021-12-16 | Zonit Structured Solutions, Llc | Intelligent automatic transfer switch module |
| WO2024021473A1 (en) * | 2022-07-25 | 2024-02-01 | 上海闻泰信息技术有限公司 | Power supply switching circuit, system and method for electronic device |
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Application publication date: 20180515 |