CN107357707A - A kind of hot plug framework, storage server and method for reducing switching power loss - Google Patents
A kind of hot plug framework, storage server and method for reducing switching power loss Download PDFInfo
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- CN107357707A CN107357707A CN201710586865.4A CN201710586865A CN107357707A CN 107357707 A CN107357707 A CN 107357707A CN 201710586865 A CN201710586865 A CN 201710586865A CN 107357707 A CN107357707 A CN 107357707A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a kind of hot plug framework, storage server and method for reducing switching power loss, including hot-swapping controller, controlling switch and inspection leakage resistance, the controlling switch is connected at least provided with two and after parallel with one another with hot-swapping controller, the hot-swapping controller is also connected with examining leakage resistance, the input of the controlling switch after the output end connection parallel connection of the inspection leakage resistance.Hot plug framework, storage server and the method for a kind of reduction switching power loss of the present invention are compared with prior art, the loss of controlling switch itself is reduced by using controlling switch mode in parallel, the loss of storage server can effectively be reduced, on the basis of internet large-scale use storage server, it can be very good to save the energy and reduce the grid electricity fee cost of client, it is practical, it is applied widely, it is easy to spread.
Description
Technical field
The present invention relates to server technology field, specifically a kind of hot plug framework for reducing switching power loss, storage
Server and method.
Background technology
With the development and extensive use of storage server technology, people are increasingly paid close attention to the power consumption of storage server.
The general of current common store server uses hot plug design, i.e., using the design side of integrated chip controlling switch
Case：The purpose of cutting system power supply when the input of system designs controlling switch to reach system exception.But controlling switch by
Very big in the electric current of equiva lent impedance problem storage server in addition itself, controlling switch can produce very big loss in itself.
In the hot plug design of existing storage server as shown in Figure 1, pass through hot-swapping controller, inspection leakage resistance
Hot connecting and disconnecting line structure is formed with controlling switch, when storage server normal work, controlling switch conducting, the controlling switch institute
The power consumption of loss is I*I*R.Wherein I is system conducting electric current (common store server is about 100A), and R leads for controlling switch
Impedance (about 1 milliohm) when logical.
Because system power I is larger, even if to be reduced to industry minimum for the equiva lent impedance of controlling switch, open in this case
It is still larger to close the power of loss, in the case of a large amount of uses of common store server, this loss is to power cost and section
All it is very big pressure about in terms of the energy.
Based on this, a kind of angle from reduction storage server hot plug framework controlling switch loss is needed badly to reduce storage
The scheme of the overall power of server.
The content of the invention
The technical assignment of the present invention is to be directed to above weak point, there is provided a kind of hot plug framework for reducing switching power loss,
Storage server and method.
A kind of hot plug framework for reducing switching power loss, including hot-swapping controller, controlling switch and inspection leakage resistance, it is described
Controlling switch is connected at least provided with two and after parallel with one another with hot-swapping controller, and the hot-swapping controller is also connected with examining
Leakage resistance, the input of the controlling switch after the output end connection parallel connection of the inspection leakage resistance.
Following pin is configured with the hot-swapping controller：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the defeated of leakage resistance
Enter end；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
The controlling switch is made of N-channel MOS pipe, corresponding, and the parallel-connection structure of all controlling switches is：It is all
The drain electrode of the controlling switch output end of access inspection leakage resistance, grid access the driving pin GATE of hot-swapping controller, source
Extremely equal access architecture output end.
The input current of the framework input is 100 ± 10 amperes, and the resistance for examining leakage resistance is 1 ± 0.3 milliohm, and heat is inserted
The driving current for pulling out driving pin GATE in controller is 60 ± 5 microamperes.
A kind of storage server, the hot plug framework of above-mentioned reduction switching power loss is installed.
A kind of method for reducing switching power loss, implementation step is,
First, hot plug framework is built by controlling switch, hot-swapping controller, i.e.,：The control of some identicals is opened first
Put row parallel connection into, the input, output end of the controlling switch after parallel connection is then respectively connected to hot-swapping controller；
2nd, according to formula I/N*I/N*R=I*I*R/N2The loss of each controlling switch is calculated, then opens all controls
The loss of pass is added the total losses for obtaining controlling switch, and I is framework input current in the formula, and R is when controlling switch turns on
Impedance, N are controlling switch number and its value >=2, are understood after calculating, the total losses of controlling switch are reduced to 1/N.
In step 1, in addition to the step of configuration inspection leakage resistance, the input, output end of the inspection leakage resistance connects respectively
Into hot-swapping controller, the inspection leakage resistance is used to sample the framework input current I in step 2.
Hot-swapping controller in hot plug framework is configured with following pin：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the defeated of leakage resistance
Enter end；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
It is described inspection leakage resistance be to the framework input current I detailed processes sampled：After normal power-up, inserted by heat
The voltage of testing current input pin HS+, testing current output pin HS- detection inspection the leakage resistance both sides of controller is pulled out, and is led to
Cross I=U/R and obtain current value.
Also include the step of monitoring hot plug framework safety, its detailed process is：
Its driving current I ' for driving pin GATA is obtained according to hot-swapping controller model；
According to controlling switch model, the charging capacity Qg of controlling switch is obtained；
The opening time of controlling switch is calculated according to formula：T=N*Qg/I '；
The magnitude of voltage of detection is corresponded to according to opening time T and the time, obtains the current range of carrying；
According to controlling switch model, safe current region curve corresponding to its different time, the electricity with above-mentioned carrying are searched
Stream scope is compared, when carrying the electric current that electric current is more than or equal in safe current region curve, the safe work of hot plug framework
Make.
The present invention a kind of reduction switching power loss hot plug framework, storage server and method compared to the prior art,
Have the advantages that：
Hot plug framework, storage server and the method for a kind of reduction switching power loss of the present invention, are opened by using control
Mode in parallel is closed to reduce the loss of controlling switch itself, can effectively reduce the loss of storage server, it is big in internet
On the basis of scale uses storage server, it can be very good to save the energy and reduce the grid electricity fee cost of client, it is practical, fit
It is easy to spread with extensive range.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Accompanying drawing 1 is that prior art hot plug framework realizes schematic diagram.
Accompanying drawing 2 realizes schematic diagram by the hot plug framework that the embodiment of the present invention provides.
The reduction switching power loss method flow diagram that accompanying drawing 3 is provided by the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the solution of the present invention, with reference to embodiment to this
Invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
A kind of hot plug framework for reducing switching power loss, including hot-swapping controller, controlling switch and inspection leakage resistance, it is described
Controlling switch is connected at least provided with two and after parallel with one another with hot-swapping controller, and the hot-swapping controller is also connected with examining
Leakage resistance, the input of the controlling switch after the output end connection parallel connection of the inspection leakage resistance.
Following pin is configured with the hot-swapping controller：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the defeated of leakage resistance
Enter end；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
The controlling switch is made of N-channel MOS pipe, corresponding, and the parallel-connection structure of all controlling switches is：It is all
The drain electrode of the controlling switch output end of access inspection leakage resistance, grid access the driving pin GATE of hot-swapping controller, source
Extremely equal access architecture output end.
The input current of the framework input is 100 ± 10 amperes, and the resistance for examining leakage resistance is 1 ± 0.3 milliohm, and heat is inserted
The driving current for pulling out driving pin GATE in controller is 60 ± 5 microamperes.
In as in the embodiment of figure 2, the input voltage of whole hot plug framework is 4.5V to 20V, and controlling switch is adopted
With N-channel MOS pipe and two are configured with, is represented respectively with Q1, Q2, controlling switch Q1 is parallel with one another with Q2 and model is identical,
Examine leakage resistance RSENSETo represent, at this moment halved by the electric current of controlling switch, the loss of so each controlling switch is changed into：I/
2*I/2*R=I*I*R/4, the total losses of two controlling switches are I*I*R/2.The controlling switch loss power consumption of half can be reduced.
Wherein：I is system conducting electric current (common store server is about 100A), and R is the impedance (about 1 when controlling switch turns on
Milliohm).
In the present invention, loss can be effectively reduced by way of Parallel Control switch, but some cost (controls can be increased
The switch processed cost of itself).
Simultaneously in the design it should be noted that the ON time of controlling switch, the driving pin of current general hot-swapping controller
GATE drive pattern is constant-current source driving.
Two controlling switches of driving can cause the opening time of controlling switch elongated, and the opening time is elongated i.e. at controlling switch
Time in amplification region is elongated, and this can test the scope in the safe current region of controlling switch.Through theoretical calculation and actual design
Experience, at present the safe current region of controlling switch can support the design in parallel of two controlling switches.
A kind of storage server, the hot plug framework of above-mentioned reduction switching power loss is installed, i.e., in existing storage server
Hot plug framework in, configure multiple controlling switches and parallel with one another, realizing the switching power loss of storage server reduces, corresponding
, the hot plug framework in the storage server includes following structure：
Following pin is configured with hot-swapping controller：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the defeated of leakage resistance
Enter end；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
Controlling switch is made of N-channel MOS pipe, corresponding, and the parallel-connection structure of all controlling switches is：All controls
Driving pin GATE, the source electrode that the drain electrode of the switch output end of access inspection leakage resistance, grid access hot-swapping controller are equal
Access architecture output end.
The input current of framework input is 100 ± 10 amperes, and the resistance for examining leakage resistance is 1 ± 0.3 milliohm, hot plug control
The driving current that pin GATE is driven in device processed is 60 ± 5 microamperes.
The other structures of the storage server are then same as the prior art, will not be repeated here.
As shown in Figure 3, a kind of method for reducing switching power loss, implementation step is,
S101, hot plug framework built by controlling switch, hot-swapping controller, i.e.,：Some identicals are controlled first
Switch carries out parallel connection, and the input, output end of the controlling switch after parallel connection then is respectively connected into hot-swapping controller；
S102, according to formula I/N*I/N*R=I*I*R/N2The loss of each controlling switch is calculated, then by all controls
The loss of switch is added the total losses for obtaining controlling switch, and I is framework input current in the formula, when R is that controlling switch turns on
Impedance, N is controlling switch number and its value >=2, after calculating understand, the total losses of controlling switch are reduced to 1/N.
In step S101, in addition to the step of configuration inspection leakage resistance, the input, output end of the inspection leakage resistance connects respectively
It is connected in hot-swapping controller, the inspection leakage resistance is used to sample the framework input current I in step 2.
Hot-swapping controller in hot plug framework is configured with following pin：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the defeated of leakage resistance
Enter end；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
It is described inspection leakage resistance be to the framework input current I detailed processes sampled：After normal power-up, inserted by heat
The voltage of testing current input pin HS+, testing current output pin HS- detection inspection the leakage resistance both sides of controller is pulled out, and is led to
Cross I=U/R and obtain current value.
Also include S103, the step of monitoring hot plug framework safety, its detailed process is：
Its driving current I ' for driving pin GATA is obtained according to hot-swapping controller model；
According to controlling switch model, the charging capacity Qg of controlling switch is obtained；
The opening time of controlling switch is calculated according to formula：T=N*Qg/I '；
The magnitude of voltage of detection is corresponded to according to opening time T and the time, obtains the current range of carrying；
According to controlling switch model, safe current region curve corresponding to its different time, the electricity with above-mentioned carrying are searched
Stream scope is compared, when carrying the electric current that electric current is more than or equal in safe current region curve, the safe work of hot plug framework
Make.
The method of the present invention is described in detail below by example, the controlling switch in this method is two.
After hot plug framework has been built, the framework electric current of storage server is confirmed：100A.
Storage server hot-swapping controller is selected, selects the hot plug control chip such as model ADM1278 here, really
GATE poles driving current I is recognized for 60 microamperes.
Select suitable controlling switch model：PSMN1R0-30YLC, understand that its equiva lent impedance is 1 milliohm according to the model.
The step of carrying out loss calculation, the loss of the traditional design controlling switch is 100*100*0.001W=10W；Using
After new two controlling switch parallel connections of design, the loss sum of two controlling switches is：50*50*0.001W+50*50*0.001W
=5W, by calculating, 5W power consumptions can effectively be saved using new method.
The step of hot plug framework safety is finally monitored, checks opening time and the safe current area of controlling switch
Domain, (wherein Qg is the driving charging capacity of controlling switch to new design T=2Qg/I=105nc*2/60UA=3.5 milliseconds, is used
Its charging capacity is 105 Na Ku during PSMN1R0-30YLC, and I is the driving current of storage control).Search controlling switch
PSMN1R0-30YLC safe current region curve, corresponding 12V, the electric current that can be carried at 3.5 milliseconds is 60A, more than now
The electric current 50A passed through, this is designed as safe and reliable design.
By embodiment above, the those skilled in the art can readily realize the present invention.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, do not taking off
On the premise of from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (10)
1. a kind of hot plug framework for reducing switching power loss, it is characterised in that including hot-swapping controller, controlling switch and inspection stream
Resistance, the controlling switch are connected at least provided with two and after parallel with one another with hot-swapping controller, hot plug control
Device is also connected with examining leakage resistance, the input of the controlling switch after the output end connection parallel connection of the inspection leakage resistance.
A kind of 2. hot plug framework for reducing switching power loss according to claim 1, it is characterised in that the hot plug control
Following pin is configured with device processed：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the input of leakage resistance
End；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
A kind of 3. hot plug framework for reducing switching power loss according to claim 2, it is characterised in that the controlling switch
It is made of N-channel MOS pipe, corresponding, the parallel-connection structure of all controlling switches is：The drain electrode of all controlling switches accesses
The output end of inspection leakage resistance, grid access the equal access architecture output end of driving pin GATE, source electrode of hot-swapping controller.
4. according to a kind of hot plug framework of any described reduction switching power loss of claim 1-3, it is characterised in that the frame
The input current of structure input is 100 ± 10 amperes, and the resistance for examining leakage resistance is 1 ± 0.3 milliohm, is driven in hot-swapping controller
Pin GATE driving current is 60 ± 5 microamperes.
5. a kind of storage server, it is characterised in that the heat for being provided with any described reduction switching power loss of claim 1-4 is inserted
Pull out framework.
A kind of 6. method for reducing switching power loss, it is characterised in that realize that step is,
First, hot plug framework is built by controlling switch, hot-swapping controller, i.e.,：Some identical controlling switches are entered first
Row is in parallel, and the input, output end of the controlling switch after parallel connection then is respectively connected into hot-swapping controller；
2nd, according to formula I/N*I/N*R=I*I*R/N2The loss of each controlling switch is calculated, then by all controlling switches
Loss is added the total losses for obtaining controlling switch, and I is framework input current in the formula, and R is impedance when controlling switch turns on,
N is controlling switch number and its value >=2, is understood after calculating, the total losses of controlling switch are reduced to 1/N.
A kind of 7. method for reducing switching power loss according to claim 6, it is characterised in that in step 1, in addition to
The step of configuration inspection leakage resistance, the input, output end of the inspection leakage resistance is connected respectively in hot-swapping controller, inspection stream electricity
Hinder for being sampled to the framework input current I in step 2.
A kind of 8. method for reducing switching power loss according to claim 7, it is characterised in that the heat in hot plug framework
Swap controller is configured with following pin：
Power pins VCC, it is connected to framework input；
Testing current input pin HS+, is connected to framework input, and the framework input is also connected with examining the input of leakage resistance
End；
Testing current output pin HS-, the input for the controlling switch being connected to after the output end for examining leakage resistance and parallel connection；
Pin GATE is driven, is connected to the controlling switch after parallel connection；
Grounding pin GND.
9. a kind of method for reducing switching power loss according to claim 8, it is characterised in that the inspection leakage resistance is to framework
The detailed process that input current I is sampled is：After normal power-up, pass through the testing current input pin of hot-swapping controller
The voltage of HS+, testing current output pin HS- detection inspection leakage resistance both sides, and current value is obtained by I=U/R.
10. according to a kind of method of any described reduction switching power loss of claim 6-9, it is characterised in that also include monitoring
The step of hot plug framework safety, its detailed process are：
Its driving current I ' for driving pin GATA is obtained according to hot-swapping controller model；
According to controlling switch model, the charging capacity Qg of controlling switch is obtained；
The opening time of controlling switch is calculated according to formula：T=N*Qg/I '；
The magnitude of voltage of detection is corresponded to according to opening time T and the time, obtains the current range of carrying；
According to controlling switch model, safe current region curve corresponding to its different time is searched, the electric current model with above-mentioned carrying
Enclose and be compared, when carrying the electric current that electric current is more than or equal in safe current region curve, hot plug framework trouble free service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710586865.4A CN107357707A (en) | 2017-07-18 | 2017-07-18 | A kind of hot plug framework, storage server and method for reducing switching power loss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710586865.4A CN107357707A (en) | 2017-07-18 | 2017-07-18 | A kind of hot plug framework, storage server and method for reducing switching power loss |
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Family
ID=60284872
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| CN201710586865.4A Pending CN107357707A (en) | 2017-07-18 | 2017-07-18 | A kind of hot plug framework, storage server and method for reducing switching power loss |
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| CN110569165A (en) * | 2019-08-16 | 2019-12-13 | 苏州浪潮智能科技有限公司 | Method and device for detecting power consumption of server |
| CN110995221A (en) * | 2019-11-15 | 2020-04-10 | 苏州浪潮智能科技有限公司 | Hot plug turn-off circuit and server power supply system |
| CN111181128A (en) * | 2020-02-16 | 2020-05-19 | 苏州浪潮智能科技有限公司 | Protection circuit based on e-fuse chip |
| CN114064399A (en) * | 2021-10-28 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Server power consumption monitoring device and building method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110569165A (en) * | 2019-08-16 | 2019-12-13 | 苏州浪潮智能科技有限公司 | Method and device for detecting power consumption of server |
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| CN110995221B (en) * | 2019-11-15 | 2022-06-07 | 苏州浪潮智能科技有限公司 | Hot plug turn-off circuit and server power supply system |
| CN111181128A (en) * | 2020-02-16 | 2020-05-19 | 苏州浪潮智能科技有限公司 | Protection circuit based on e-fuse chip |
| CN114064399A (en) * | 2021-10-28 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Server power consumption monitoring device and building method thereof |
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Application publication date: 20171117 |