CN109917897A - Redundancy board power-supply management system and method - Google Patents
Redundancy board power-supply management system and method Download PDFInfo
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- CN109917897A CN109917897A CN201910213305.3A CN201910213305A CN109917897A CN 109917897 A CN109917897 A CN 109917897A CN 201910213305 A CN201910213305 A CN 201910213305A CN 109917897 A CN109917897 A CN 109917897A
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Abstract
The invention proposes a kind of redundancy board power-supply management systems, comprising: management module, the first board, the second board and backboard；First board and the second board structure are identical；Management module is connected with the first board and the second board respectively；Backboard is connected with the first board and the second board respectively, for providing signal in place for the first board and the second board；Management module, for sending management signal to the first board, the first board of triggering sends power control signal to the second board when detecting the failure of the second board, the power supply for making the second board is closed under the action of the signal in place that power control signal and backboard provide.Redundancy board power-supply management system provided in an embodiment of the present invention; when management module has automatically detected board failure; failure board, which is controlled, by another board closes its board power supply; it ensure that maintenance personnel is safe from danger when removing and failing board, and the electric component inside board protected not to be damaged.
Description
Technical field
The present invention relates to power technique fields, in particular to a kind of redundancy board power-supply management system and method.
Background technique
In the server, in order to guarantee the reliability of system, the board of some keys in server is generallyd use
Redundancy Design backs up a same board.In general, backup board belongs to state of activation, and when a board fails, backup
Board is intervened and undertakes the work of failure board, and the fault time of server is thus reduced.
Inventors discovered through research that in the prior art, the switch of manually Control card power supply is needed, when board loses
Effect, manually not in time or when forgetting to disconnect the power supply of failure board, it is dangerous when removing the board to will lead to maintenance personnel,
And it is possible to that the electric component inside board can be made to be damaged.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of redundancy board power-supply management system, when management module is automatically examined
When having measured board failure, the failure board is controlled by another board and closes its board power supply, ensure that maintenance personnel
Danger is not present when removing and failing board, and the electric component inside board is protected not to be damaged.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of redundancy board power-supply management system, comprising: management module, the first board, the second board and backboard；
First board is identical with second board structure；
The management module is connected with first board and second board respectively；
The backboard is connected with first board and second board respectively, is used for as first board and institute
It states the second board and signal in place is provided；
The management module, for when detecting second board failure, the first board of Xiang Suoshu to send management letter
Number, first board is triggered to second board and sends power control signal, makes the power supply of second board, described
It is closed under the action of the signal in place that power control signal and the backboard provide.
Above-mentioned system, optionally, first board include the first control module, the first isolating chip, first choice
Chip and the first power module, second board include the second control module, the second isolating chip, the second selection chip and the
Two power modules；
First control module, the first isolating chip, first choice chip and the first power module are sequentially connected in series；
Second control module, the second isolating chip, the second selection chip and second power supply module are sequentially connected in series；
First control module, for when receiving the management signal that the management module is sent, Xiang Suoshu first
Isolating chip sends power on signal；
First isolating chip, for according to the power on signal, the second isolating chip of Xiang Suoshu to send power supply control
Signal；
Second isolating chip, for according to the power control signal, Xiang Suoshu second to select chip to send control
Signal；
It is described second selection chip, for according to it is described control signal and the backboard be second board provide
Position signal, Xiang Suoshu second power supply module send enable signal and are closed with controlling the second power supply module.
The present invention also provides a kind of redundancy board method for managing power supply, the method is applied to redundancy board power supply piping
System, the system comprises: management module, the first board, the second board and backboard；First board and the second board knot
Structure is identical；The management module is connected with first board and second board respectively；The backboard respectively with it is described
First board is connected with second board, for providing signal in place for first board and second board；Institute
The method of stating includes:
For the management module when detecting second board failure, the first board of Xiang Suoshu sends management signal, touching
It sends out the first board described and sends power control signal to second board, make the power supply of second board, in the power supply
It is closed under the action of the signal in place that control signal and the backboard provide.
The invention proposes a kind of redundancy board power-supply management systems, comprising: management module, the first board, the second board
And backboard；First board is identical with second board structure；The management module respectively with first board and institute
The second board is stated to be connected；The backboard is connected with first board and second board respectively, for being described the
One board and second board provide signal in place；The management module, for detect second board failure when,
Management signal is sent to first board, first board is triggered to second board and sends power control signal, make
The power supply of second board is closed under the action of the signal in place that the power control signal and the backboard provide
It closes.The embodiment of the present invention provides a kind of redundancy board power-supply management system, when management module has automatically detected board failure
When, the failure board is controlled by another board and closes its board power supply, ensure that maintenance personnel is removing the board that fails
When there is no danger, and the electric component inside board is protected not to be damaged.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of redundancy board power-supply management system provided in an embodiment of the present invention；
Fig. 2 is the another structural schematic diagram of redundancy board power-supply management system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing of the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The present invention provides a kind of redundancy board power-supply management system, the redundancy board power-supply management system can guarantee
It ensure that danger is not present when removing and failing board in maintenance personnel, and the electric component inside board protected not damaged
It is bad.
Specific implementation of the invention is described below by redundancy board power-supply management system structural schematic diagram.
With reference to Fig. 1, the schematic diagram of control circuit of the embodiment of the present invention is shown, comprising: management module 101, the first board
102, the second board 103 and backboard 104；
First board 102 is identical with 103 structure of the second board；
The management module 101 is connected with first board 102 and second board 103 respectively；
The backboard 104 is connected with first board 102 and second board 103 respectively, for being described the
One board 102 provides signal in place with second board 103；
The management module 101, for when detecting second board 103 failure, the card of the first plate of Xiang Suoshu 102 to be sent out
Management signal is sent, first board 102 is triggered to second board 103 and sends power control signal, make second plate
The power supply of card 103 is closed under the action of the signal in place that the power control signal and the backboard provide.
The method that system provided in an embodiment of the present invention uses Redundancy Design, first board 102 and described second
Board 103 is that structure is identical, the identical board of function.When the first board 102 and the second board 103 are inserted into backboard 104, back
Plate 104 is that the first board 102 and the second board 103 provide identical signal in place.
System provided in an embodiment of the present invention, when management module 101 detects the failure of the second board 103, by the
One board 102 sends management signal, and the management signal is the power supply signal for triggering the second board 103 and closing the second board 103,
After first board 102 receives the management signal, power control signal is sent to the second board 103, makes the second board 103
According to the signal in place that the power control signal and backboard 104 received provides, its power supply is closed.
System provided in an embodiment of the present invention, it should be noted that first board 102 and second board 103
For equivalent board, when management module 101 detects the failure of the first board 102, the second edition 103 can be equally triggered to described the
One board 102 sends power control signal, makes the power supply of first board 102, in the power control signal and the back
It is closed under the action of the signal in place that plate provides.
System provided in an embodiment of the present invention, it should be noted that system provided in an embodiment of the present invention further includes, when
First board 102 and the second board 103 are inserted into backboard 104, and backboard 104 is that the first board 102 and the second board 103 provide
Position signal makes the first board 102 and the second board 103 open its respective board power supply.
System provided in an embodiment of the present invention further includes, can when system maintenance personnel need replacing the second board 103
To send the instruction for closing 103 power supply of the second board to management module 101, after so that management module 101 is received instruction, institute is triggered
It states the first board 102 and sends power control signal to second board 103, make the power supply of second board 103, described
It is closed under the action of the signal in place that power control signal and the backboard 104 provide.
The invention proposes a kind of redundancy board power-supply management systems, comprising: management module, the first board, the second board
And backboard；First board is identical with second board structure；The management module respectively with first board and institute
The second board is stated to be connected；The backboard is connected with first board and second board respectively, for being described the
One board and second board provide signal in place；The management module, for detect second board failure when,
Management signal is sent to first board, first board is triggered to second board and sends power control signal, make
The power supply of second board is closed under the action of the signal in place that the power control signal and the backboard provide
It closes.The embodiment of the present invention provides a kind of redundancy board power-supply management system, when management module has automatically detected board failure
When, the failure board is controlled by another board and closes its board power supply, ensure that maintenance personnel is removing the board that fails
When there is no danger, and the electric component inside board is protected not to be damaged.
System provided in an embodiment of the present invention, in conjunction with Fig. 1, with reference to Fig. 2, first board 102 includes the first control mould
Block 201, the first isolating chip 202, first choice chip 203 and the first power module 204, second board 103 include the
Two control modules 301, the second isolating chip 302, second selection chip 303 and second power supply module 304；
First control module 201, the first isolating chip 202, first choice chip 203 and the first power module 204
It is sequentially connected in series；
Second control module 301, the second isolating chip 302, second selection chip 303 and second power supply module 304
It is sequentially connected in series；
First control module 201, for when receiving the management signal that the management module 101 is sent, to institute
It states the first isolating chip 202 and sends power on signal；
First isolating chip 202, for according to the power on signal, the second isolating chip of Xiang Suoshu 302 to send electricity
Source controls signal；
Second isolating chip 302, for according to the power control signal, Xiang Suoshu second to select chip 303 to send out
Send control signal；
The second selection chip 303, for being second board according to the control signal and the backboard 104
103 signals in place provided, Xiang Suoshu second power supply module 304 send enable signal to control the second power supply module 304
It closes.
System provided in an embodiment of the present invention, it should be noted that first control module 201 and the second control module
301 be the identical module of structure and function, and the first isolating chip 202 is that the second isolating chip 302 is that structure and function is identical
Chip, first choice chip 203 and second select chip 303 for the identical chip of structure and function；First power module, 204 He
Second power supply module 304 is the identical module of structure and function.
System provided in an embodiment of the present invention, power module are that the module of power supply is provided for board, and selecting chip is one
XOR circuit chip, specific logic are as follows:
System provided in an embodiment of the present invention, when enable signal is high level " 1 ", the power module is opened, when
When enable signal is low level " 0 ", the power module is closed.
Method provided in an embodiment of the present invention, it should be noted that when board is inserted into backboard, backboard provides for board
Signal in place make signal low level signal in place and by the way that signal in place to be connect with earth signal.
First control module 201 of system provided in an embodiment of the present invention, the first board 102 receives management module 101
After the management signal of sending, to the first isolating chip 202 issue power on signal, the power on signal be low level signal, first
Isolating chip 202 sends low level power supply control according to the low level power on signal received, to the second isolating chip 302
Signal, the second isolating chip 302 are sent low according to the low level power control signal received to the second selection chip 303
The control signal of level；Second select chip 303 according to low level control signal and it is low level for signal to institute second
Power module 103 sends low level enable signal；Second power supply module 304 is closed according to the low level enable signal received
Close power supply.
Method provided in an embodiment of the present invention, it should be noted that the board failure can be the data of board output
The various abnormal conditions such as wrong, display function exception.When there is abnormal, the control module of this system board in board, isolating chip,
Select chip and power module unaffected.
The present invention also provides a kind of redundancy board method for managing power supply, the method is applied to above-mentioned redundancy board electricity
Source capsule system, comprising:
For the management module when detecting second board failure, the first board of Xiang Suoshu sends management signal, touching
It sends out the first board described and sends power control signal to second board, make the board power supply of second board, described
It is closed under the action of the signal in place that power control signal and the backboard provide.
Method provided in an embodiment of the present invention is when management module detects the failure of the second board, by sending out to the first board
Management signal is sent, the management signal is the signal for triggering the second board and closing the second board power supply, and the first board receives institute
After stating management signal, send power control signal to the second board, make the second board according to the power control signal that receives with
The signal in place that backboard provides, closes its board power supply.
Redundancy board method for managing power supply provided by the invention, the method are applied to redundancy board power supply guard system, institute
The system of stating includes: management module, the first board, the second board and backboard；First board and the second board structure phase
Together；The management module is connected with first board and second board respectively；The backboard is respectively with described first
Board is connected with second board, for providing signal in place for first board and second board；The side
Method includes: the management module when detecting second board failure, and the first board of Xiang Suoshu sends management signal, triggering
First board sends power control signal to second board, makes the power supply of second board, in the power supply control
It is closed under the action of the signal in place that signal processed and the backboard provide.Redundancy board power supply provided in an embodiment of the present invention
Management system controls the failure board by another board and closes when management module has automatically detected board failure
Its board power supply is closed, ensure that maintenance personnel is safe from danger when removing and failing board, and the electrical part inside protection board
Part is not damaged.
In this application, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. a kind of redundancy board power-supply management system characterized by comprising management module, the first board, the second board and back
Plate；
First board is identical with second board structure；
The management module is connected with first board and second board respectively；
The backboard is connected with first board and second board respectively, for for first board and described the
Two boards provide signal in place；
The management module, for when detecting second board failure, the first board of Xiang Suoshu to send management signal, touching
It sends out the first board described and sends power control signal to second board, make the power supply of second board, in the power supply
It is closed under the action of the signal in place that control signal and the backboard provide.
2. system according to claim 1, which is characterized in that first board include the first control module, first every
Off-chip piece, first choice chip and the first power module, second board include the second control module, the second isolating chip,
Second selection chip and second power supply module；
First control module, the first isolating chip, first choice chip and the first power module are sequentially connected in series；
Second control module, the second isolating chip, the second selection chip and second power supply module are sequentially connected in series；
First control module, for when receiving the management signal that the management module is sent, Xiang Suoshu first to be isolated
Chip sends power on signal；
First isolating chip, for according to the power on signal, the second isolating chip of Xiang Suoshu to send power control signal；
Second isolating chip, for according to the power control signal, Xiang Suoshu second to select chip to send control signal；
The second selection chip, the letter in place for being provided according to the control signal and the backboard for second board
Number, Xiang Suoshu second power supply module sends enable signal and is closed with controlling the second power supply module.
3. a kind of redundancy board method for managing power supply, which is characterized in that the method is applied to redundancy and does board power supply guard system,
The system comprises: management module, the first board, the second board and backboard；First board and second board structure
It is identical；The management module is connected with first board and second board respectively；The backboard is respectively with described
One board is connected with second board, for providing signal in place for first board and second board；It is described
Method includes:
For the management module when detecting second board failure, the first board of Xiang Suoshu sends management signal, triggers institute
It states the first board and sends power control signal to second board, make the power supply of second board, controlled in the power supply
It is closed under the action of the signal in place that signal and the backboard provide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910213305.3A CN109917897B (en) | 2019-03-20 | 2019-03-20 | Redundant board power management system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213305.3A CN109917897B (en) | 2019-03-20 | 2019-03-20 | Redundant board power management system and method |
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| CN109917897B CN109917897B (en) | 2021-01-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113535636A (en) * | 2021-06-30 | 2021-10-22 | 成都中微达信科技有限公司 | Computing device |
| CN113792001A (en) * | 2021-09-06 | 2021-12-14 | 西安易朴通讯技术有限公司 | SAS EXP board card, back board and hot plug method |
| CN114726712A (en) * | 2022-03-31 | 2022-07-08 | 湖南宇诺辰电子科技有限公司 | Control method and system for reinforcing board card |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131552A1 (en) * | 2003-12-13 | 2005-06-16 | Hon Hai Precision Industry Co., Ltd. | System and method for starting up plural electronic devices in an orderly manner |
| CN102073562A (en) * | 2010-12-31 | 2011-05-25 | 山石网科通信技术（北京）有限公司 | Hardware-based main/standby switch arbitration method |
| CN102427404A (en) * | 2011-08-31 | 2012-04-25 | 迈普通信技术股份有限公司 | Energy-saving control system and method for communication equipment |
| CN103941633A (en) * | 2014-04-29 | 2014-07-23 | 北京依雷特科技有限公司 | PLC redundancy control method and system |
| CN105721546A (en) * | 2016-01-20 | 2016-06-29 | 冶金自动化研究设计院 | Multi-data integration service platform based on industrial Internet of Things (IoT) communication |
| CN105974879A (en) * | 2016-06-27 | 2016-09-28 | 北京广利核系统工程有限公司 | Redundancy control equipment of digital instrument control system, digital instrument control system and control method |
| CN106933094A (en) * | 2017-03-01 | 2017-07-07 | 北京天恒长鹰科技股份有限公司 | A kind of pair of airborne flight control computer of remaining |
| CN206358163U (en) * | 2016-11-18 | 2017-07-28 | 北京铁路信号有限公司 | A kind of new train control on board equipment |
| CN108415357A (en) * | 2018-02-09 | 2018-08-17 | 上海欣诺通信技术股份有限公司 | A kind of optical transmission device effectively reducing power consumption |
-
2019
- 2019-03-20 CN CN201910213305.3A patent/CN109917897B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131552A1 (en) * | 2003-12-13 | 2005-06-16 | Hon Hai Precision Industry Co., Ltd. | System and method for starting up plural electronic devices in an orderly manner |
| CN102073562A (en) * | 2010-12-31 | 2011-05-25 | 山石网科通信技术（北京）有限公司 | Hardware-based main/standby switch arbitration method |
| CN102427404A (en) * | 2011-08-31 | 2012-04-25 | 迈普通信技术股份有限公司 | Energy-saving control system and method for communication equipment |
| CN103941633A (en) * | 2014-04-29 | 2014-07-23 | 北京依雷特科技有限公司 | PLC redundancy control method and system |
| CN105721546A (en) * | 2016-01-20 | 2016-06-29 | 冶金自动化研究设计院 | Multi-data integration service platform based on industrial Internet of Things (IoT) communication |
| CN105974879A (en) * | 2016-06-27 | 2016-09-28 | 北京广利核系统工程有限公司 | Redundancy control equipment of digital instrument control system, digital instrument control system and control method |
| CN206358163U (en) * | 2016-11-18 | 2017-07-28 | 北京铁路信号有限公司 | A kind of new train control on board equipment |
| CN106933094A (en) * | 2017-03-01 | 2017-07-07 | 北京天恒长鹰科技股份有限公司 | A kind of pair of airborne flight control computer of remaining |
| CN108415357A (en) * | 2018-02-09 | 2018-08-17 | 上海欣诺通信技术股份有限公司 | A kind of optical transmission device effectively reducing power consumption |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113535636A (en) * | 2021-06-30 | 2021-10-22 | 成都中微达信科技有限公司 | Computing device |
| CN113792001A (en) * | 2021-09-06 | 2021-12-14 | 西安易朴通讯技术有限公司 | SAS EXP board card, back board and hot plug method |
| CN114726712A (en) * | 2022-03-31 | 2022-07-08 | 湖南宇诺辰电子科技有限公司 | Control method and system for reinforcing board card |
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| Publication number | Publication date |
|---|---|
| CN109917897B (en) | 2021-01-22 |
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