CN109032318A - A kind of power monitoring system and storage server system - Google Patents
A kind of power monitoring system and storage server system Download PDFInfo
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- CN109032318A CN109032318A CN201810799625.7A CN201810799625A CN109032318A CN 109032318 A CN109032318 A CN 109032318A CN 201810799625 A CN201810799625 A CN 201810799625A CN 109032318 A CN109032318 A CN 109032318A
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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
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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Abstract
The invention discloses a kind of power monitoring system and storage server systems, comprising: monitoring module, the output voltage of the output end for obtaining Power IC, and auxiliary signal is generated according to output voltage, wherein auxiliary signal is low level signal or high level signal；Management module, the feedback signal that the PG pin for receiving auxiliary signal and Power IC exports, and judge with the presence or absence of high level signal in auxiliary signal and feedback signal, if so, PG high level signal is exported, if it is not, output PG low level signal；CPLD, it is electrically operated under execution after receiving PG low level signal for after receiving PG high level signal, executing the enabled operation of next stage.Present invention effectively prevents work as VinCause CPLD malfunction when the UVLO of fluctuation triggering Power IC and trigger the case where system reports an error, ensures the reliability service of storage server system.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of power monitoring system and storage server system.
Background technique
In cloud computing era, mass data storage transmits the memory carrier platform for needing large capacity, and this large capacity is deposited
Carrier is stored up, in the storage server system operation course of work, to guarantee that power supply timing meets professional standard, monitors the defeated of power supply
It does well, is usually received by CPLD (Complex Programmable Logic Device, Complex Programmable Logic Devices)
Feedback signal (including the height of the PG pin output of Power IC (Power Integrated Circuit, power IC)
Level signal and low level signal), realize electrifying timing sequence or lower electric timing.
Specifically, CPLD is in the PG for receiving superordinate elements in traditional storage server system operation course of work
After high level signal, high level enable signal can be issued to Power IC, the level of the enable pin EN of Power IC is raised,
The output voltage V of Power ICout, in VoutWhen normal, the power supply VCC of Power IC draws high the level of PG pin, PG pin
High level signal is exported to CPLD, to realize monitoring of the CPLD to power supply output state, while the height that CPLD exports PG pin
Enable signal of the level signal as next stage Power IC executes the enabled operation of next stage.But in actual use, if
The power supply V of storage server systeminIt fluctuates, and the UVLO of false triggering Power IC (Under Voltage Lock Out, it is low
Voltage lockout) or Power IC protection act, the level of PG pin can instantaneously be pulled low, even and if Power IC at this time
Output voltage VoutIt still remains, CPLD is as receive the low level signal of PG pin output and mis-trigger system report
Mistake carries out shutdown movement, influences the normal operation of storage server system.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The object of the present invention is to provide a kind of power monitoring systems, effectively prevent working as VinFluctuation triggering Power IC's
Cause CPLD malfunction when UVLO and trigger the case where system reports an error, ensures the reliable fortune of storage server system
Row；It is a further object of the present invention to provide a kind of storage server systems including above-mentioned power monitoring system.
In order to solve the above technical problems, the present invention provides a kind of power monitoring systems, comprising:
Monitoring module, the output voltage of the output end for obtaining Power IC, and it is auxiliary according to output voltage generation
Help signal, wherein the auxiliary signal is low level signal or high level signal；
Management module, the feedback signal that the PG pin for receiving the auxiliary signal and the Power IC exports, and
Judge with the presence or absence of the high level signal in the auxiliary signal and the feedback signal, if so, PG high level signal is exported,
If it is not, output PG low level signal；
Complex programmable logic device (CPLD), for it is enabled to execute next stage after receiving the PG high level signal
Operation, it is electrically operated under execution after receiving the PG low level signal.
Preferably, the monitoring module includes division module, first switch tube, second switch, first resistor and second
Resistance, in which:
The input terminal of the division module is connect with the output end of the Power IC, the output end of the division module with
The control terminal of the first switch tube connects, the first end of the first switch tube respectively with the first end of the first resistor and
The control terminal of the second switch connects, the first end of the second switch respectively with the first end of the second resistance and
The second end of the management module connection, the second end of the first switch tube and the second switch is connected to ground, institute
The second end of the second end and the second resistance of stating first resistor is connect with power module；
The division module exports cut-in voltage for obtaining the output voltage, and according to the output voltage；
The first switch tube, for being connected in conducting voltage of the cut-in voltage more than or equal to its own, with
It controls the second switch and exports the high level signal；It is also used to the pass when the cut-in voltage is less than the conducting voltage
It is disconnected, the low level signal is exported to control the second switch.
Preferably, the division module includes 3rd resistor and the 4th resistance, in which:
Input terminal of the first end of the 3rd resistor as the division module, the second end of the 3rd resistor and institute
State the first end connection of the 4th resistance, output end of the common end as the division module, the second end of the 4th resistance
It is connected to ground.
Preferably, the first switch tube includes the first NMOS tube and first diode, and the second switch includes the
Two NMOS tubes and the second diode, in which:
Control terminal of the gate pole of first NMOS tube as the first switch tube, the drain electrode of first NMOS tube with
The cathode of the first diode connects, first end of the common end as the first switch tube, first NMOS tube
Source electrode is connect with the anode of the first diode, second end of the common end as the first switch tube；
Control terminal of the gate pole of second NMOS tube as the second switch, the drain electrode of second NMOS tube with
The cathode of second diode connects, first end of the common end as the second switch, second NMOS tube
Source electrode is connect with the anode of second diode, second end of the common end as the second switch.
Preferably, the management module is or door.
Preferably, the power monitoring system further include:
Alarm module, for the low level signal alarm in the PG pin output for receiving the Power IC.
Preferably, the alarm module is also used to receiving the PG low level signal alarm.
Preferably, the alarm module includes buzzer and/or indicator light.
In order to solve the above technical problems, the present invention also provides a kind of storage server systems, including such as any one above
Power monitoring system described in.
The present invention provides a kind of power monitoring system, comprising: monitoring module, for obtaining the output end of Power IC
Output voltage, and auxiliary signal is generated according to output voltage, wherein auxiliary signal is low level signal or high level signal；Pipe
Module is managed, the feedback signal that the PG pin for receiving auxiliary signal and Power IC exports, and judge auxiliary signal and feedback
It whether there is high level signal in signal, if so, output PG high level signal, if it is not, output PG low level signal；Complexity can be compiled
Journey logic device (CPLD) is receiving PG low level for after receiving PG high level signal, executing the enabled operation of next stage
It is electrically operated under execution after signal.
As it can be seen that in practical applications, using the solution of the present invention, by the way that the monitoring module for exporting auxiliary signal is arranged
And on the one hand management module, the design of this redundance type effectively prevent working as VinWhen the UVLO of fluctuation triggering Power IC, PG pipe
The level of foot is instantaneously dragged down, and the CPLD malfunction and triggering system caused reports an error, as long as auxiliary signal and feedback signal
It is middle there are when a high level signal, storage server system all can normal operation, ensured the reliable of storage server system
Property；On the other hand the correctness that ensure that route design improves product reliability, increases product competitiveness.
The present invention also provides a kind of storage server systems, have identical with above-mentioned power monitoring system beneficial to effect
Fruit.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of power monitoring system provided by the present invention；
Fig. 2 is a kind of partial structural diagram of power monitoring system provided by the present invention.
Specific embodiment
Core of the invention is to provide a kind of power monitoring system, effectively prevents working as VinFluctuation triggering PowerIC's
Cause CPLD malfunction when UVLO and trigger the case where system reports an error, ensures the reliable fortune of storage server system
Row；Another core of the invention is to provide a kind of storage server system including above-mentioned power monitoring system.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of power monitoring system provided by the present invention, comprising:
Monitoring module 1, the output voltage of the output end for obtaining Power IC, and auxiliary letter is generated according to output voltage
Number, wherein auxiliary signal is low level signal or high level signal；
Specifically, the monitoring module 1 in the present invention is a Redundancy Design, monitoring module 1 is for exporting PG level signal
Auxiliary signal, monitoring module 1 obtain Power IC output voltage Vout, as output voltage VoutMore than or equal to preset value
When, i.e. output voltage VoutWhen meeting the operating voltage of storage unit, monitoring module 1 exports high level signal, works as output voltage
VoutWhen less than the preset value, monitoring module 1 exports low level signal.
Management module 2, the feedback signal that the PG pin for receiving auxiliary signal and Power IC exports, and judge to assist
It whether there is high level signal in signal and feedback signal, if so, output PG high level signal, if it is not, output PG low level letter
Number；
Specifically, need to illustrate in advance, CPLD is according to PG signal (including low level signal and the high level received
Signal) electrical level judging whether execute down it is electrically operated, when CPLD receive PG signal be low level signal when, CPLD starts to execute
Under it is electrically operated, it is to be understood that the present invention in auxiliary signal or feedback signal be PG signal.In view of in practical application
In, as the supply voltage V of storage server systeminIt fluctuates, when the UVLO of false triggering Power IC, the PG pipe of Power IC
The feedback signal of foot output is instantaneously dragged down, that is to say, that the feedback signal of CPLD 3 is received at this time PG pin output is
Low level signal, the output end that CPLD 3 defaults Power IC does not have voltage output, electrically operated under starting, but in fact, defeated
Voltage Vout may be normal output state out, that is, be more than or equal to preset value, then the auxiliary signal that monitoring module 1 exports at this time
For high level signal, consider that so far management module 2 first pre-processes PG signal before CPLD 3 receives PG signal,
That is the feedback signal of PG pin output is first sent to management module 2, while the auxiliary signal that monitoring module 1 exports also is sent out
Be sent to management module 2, wherein feedback signal includes high level signal and low level signal, auxiliary signal be also include high level
Signal and low level signal, if there are a high level signals in feedback signal and auxiliary signal that management module 2 receives
Or when being high point ordinary mail, PG high level signal is exported, otherwise exports PG low level signal, false triggering can be prevented in this way
The UVLO of Power IC or other maloperations, improve the reliability of storage server system
Complex programmable logic device (CPLD) 3, for after receiving PG high level signal, executing the enabled behaviour of next stage
Make, it is electrically operated under execution after receiving PG low level signal.
Specifically, CPLD 3 when receiving PG high level signal, carries out the enabled operation of next stage power, receiving
It is electrically operated under execution when PG low level signal, under it is electrically operated include that control storage server system data backup and shut down.
The present invention provides a kind of power monitoring system, comprising: monitoring module, for obtaining the output end of Power IC
Output voltage, and auxiliary signal is generated according to output voltage, wherein auxiliary signal is low level signal or high level signal；Pipe
Module is managed, the feedback signal that the PG pin for receiving auxiliary signal and Power IC exports, and judge auxiliary signal and feedback
It whether there is high level signal in signal, if so, output PG high level signal, if it is not, output PG low level signal；Complexity can be compiled
Journey logic device (CPLD) is receiving PG low level for after receiving PG high level signal, executing the enabled operation of next stage
It is electrically operated under execution after signal.
As it can be seen that in practical applications, using the solution of the present invention, by the way that the monitoring module for exporting auxiliary signal is arranged
And on the one hand management module, the design of this redundance type effectively prevent working as VinWhen the UVLO of fluctuation triggering Power IC, PG pipe
The level of foot is instantaneously dragged down, and the CPLD malfunction and triggering system caused reports an error, as long as auxiliary signal and feedback signal
It is middle there are when a high level signal, storage server system all can normal operation, ensured the reliable of storage server system
Property；On the other hand the correctness that ensure that route design improves product reliability, increases product competitiveness.
On the basis of the above embodiments:
Embodiment as one preferred, monitoring module 1 include division module 11, first switch tube 12, second switch
13, first resistor R1And second resistance R2, in which:
The input terminal of division module 11 is connect with the output end of Power IC, the output end and first switch of division module 11
The control terminal of pipe 12 connects, the first end of first switch tube 12 respectively with first resistor R1First end and second switch 13
Control terminal connection, the first end of second switch 13 respectively with second resistance R2First end and management module 2 connect, first opens
The second end of the second end and second switch 13 of closing pipe 12 is connected to ground, first resistor R1Second end and second resistance R2
Second end connect with power module；
Division module 11 exports cut-in voltage for obtaining output voltage, and according to output voltage；
First switch tube 12, for being connected when cut-in voltage is greater than or equal to its own conducting voltage, to control the
Two switching tubes 13 export high level signal；It is also used to the shutdown when cut-in voltage is less than conducting voltage, to control second switch
13 output low level signals.
Embodiment as one preferred, division module 11 include 3rd resistor R3With the 4th resistance R4, in which:
Input terminal of the first end of 3rd resistor R3 as division module 11, the second end of 3rd resistor R3 and the 4th resistance
R4First end connection, output end of the common end as division module 11, the 4th resistance R4Second end be connected to ground.
Embodiment as one preferred, first switch tube 12 include the first NMOS tube M1With first diode D1, second opens
Closing pipe 13 includes the second NMOS tube M2With the second diode D2, in which:
First NMOS tube M1Control terminal of the gate pole as first switch tube 12, the first NMOS tube M1Drain electrode and the one or two
Pole pipe D1Cathode connection, first end of the common end as first switch tube 12, the first NMOS tube M1Source electrode and the one or two pole
Pipe D1Anode connection, second end of the common end as first switch tube 12；
Second NMOS tube M2Control terminal of the gate pole as second switch 13, the second NMOS tube M2Drain electrode and the two or two
Pole pipe D2Cathode connection, first end of the common end as second switch 13, the second NMOS tube M2Source electrode and the two or two pole
Pipe D2Anode connection, second end of the common end as second switch 13.
Specifically, the output voltage Vout of Power IC is divided by division module 11, obtain a unlatching electricity
Pressure, it is to be understood that cut-in voltage be for opening first switch tube 12, when cut-in voltage be greater than first switch tube 12 its
When the conducting voltage of itself, first switch tube 12 is connected, and the first end of first switch tube 12 is low level, and connected to it second
The first end of switching tube 13 is by power module P3V3_AUX pull-up output high level signal, conversely, when cut-in voltage is less than the
When the conducting voltage of one switching tube 12 itself, first switch tube 12 is ended, and first end is high level, and connected to it at this time the
The first end of two switching tubes 13 exports low level, specifically, can choose referring to shown in Fig. 2 through 3rd resistor R3With the 4th
Resistance R4It is divided.In addition, first resistor R is arranged in the present invention1With second resistance R2Purpose be to prevent power module direct
It is connected to ground.
Embodiment as one preferred, management module 2 are or door.
Specifically, using or door is convenient for the calculating of signal as management module 2 or door, precision is high, low in energy consumption and steady
It is fixed, ensure that management module 2 receives the rapidity and accuracy of feedback signal and auxiliary signal, and or door be convenient for Integrated design,
It is at low cost.
Embodiment as one preferred, the power monitoring system further include:
Alarm module, for the low level signal alarm in the PG pin output for receiving Power IC.
Embodiment as one preferred, alarm module are also used to receiving PG low level signal alarm.
Embodiment as one preferred, alarm module include buzzer and/or indicator light.
Specifically, alarm module is receiving PG low level signal alarm, when the feedback signal that management module 2 receives
When being low level signal with auxiliary signal, PG low level signal can be just exported, is alarmed at this time, staff can be reminded
The state for paying attention to storage server system judges whether to require manual intervention, to carry out the processing work of next step.
Wherein, alarm module may include buzzer and/or indicator light, and specific alarm can refer to buzzer call or refer to
Show that lamp flashes.
Correspondingly, the present invention also provides a kind of storage server system, the power monitoring including any one such as above
System.
A kind of storage server system provided by the present invention has identical with above-mentioned power monitoring system beneficial to effect
Fruit.
Above-described embodiment is please referred to for a kind of introduction of storage server system provided by the present invention, the present invention is herein
It repeats no more.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
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 (9)
1. a kind of power monitoring system characterized by comprising
Monitoring module, the output voltage of the output end for obtaining Power IC, and auxiliary letter is generated according to the output voltage
Number, wherein the auxiliary signal is low level signal or high level signal；
Management module, the feedback signal that the PG pin for receiving the auxiliary signal and the Power IC exports, and judge
It whether there is the high level signal in the auxiliary signal and the feedback signal, if so, output PG high level signal, if
It is no, export PG low level signal；
Complex programmable logic device (CPLD), for after receiving the PG high level signal, executing the enabled operation of next stage,
It is electrically operated under execution after receiving the PG low level signal.
2. power monitoring system according to claim 1, which is characterized in that the monitoring module includes division module, the
One switching tube, second switch, first resistor and second resistance, in which:
The input terminal of the division module is connect with the output end of the Power IC, the output end of the division module with it is described
The control terminal of first switch tube connects, the first end of the first switch tube respectively with the first end of the first resistor and described
The control terminal of second switch connects, the first end of the second switch respectively with the first end of the second resistance and described
Management module connection, the second end of the second end of the first switch tube and the second switch are connected to ground, and described the
The second end of the second end of one resistance and the second resistance is connect with power module；
The division module exports cut-in voltage for obtaining the output voltage, and according to the output voltage；
The first switch tube, for being connected in conducting voltage of the cut-in voltage more than or equal to its own, with control
The second switch exports the high level signal；It is also used to the shutdown when the cut-in voltage is less than the conducting voltage,
The low level signal is exported to control the second switch.
3. power monitoring system according to claim 2, which is characterized in that the division module includes 3rd resistor and
Four resistance, in which:
Input terminal of the first end of the 3rd resistor as the division module, the second end of the 3rd resistor and described
The first end of four resistance connects, output end of the common end as the division module, the second end and ground of the 4th resistance
Connection.
4. power monitoring system according to claim 3, which is characterized in that the first switch tube includes the first NMOS tube
And first diode, the second switch include the second NMOS tube and the second diode, in which:
Control terminal of the gate pole of first NMOS tube as the first switch tube, the drain electrode of first NMOS tube with it is described
The cathode of first diode connects, first end of the common end as the first switch tube, the source electrode of first NMOS tube
It is connect with the anode of the first diode, second end of the common end as the first switch tube；
Control terminal of the gate pole of second NMOS tube as the second switch, the drain electrode of second NMOS tube with it is described
The cathode of second diode connects, first end of the common end as the second switch, the source electrode of second NMOS tube
It is connect with the anode of second diode, second end of the common end as the second switch.
5. power monitoring system according to any one of claims 1-4, which is characterized in that the management module be or
Door.
6. power monitoring system according to claim 5, which is characterized in that the power monitoring system further include:
Alarm module, for the low level signal alarm in the PG pin output for receiving the Power IC.
7. power monitoring system according to claim 6, which is characterized in that
The alarm module is also used to receiving the PG low level signal alarm.
8. power monitoring system according to claim 7, which is characterized in that the alarm module include buzzer and/or
Indicator light.
9. a kind of storage server system, which is characterized in that including the power monitoring system as described in claim 1-8 any one
System.
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| CN201810799625.7A CN109032318B (en) | 2018-07-18 | 2018-07-18 | Power supply monitoring system and storage server system |
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|---|---|---|---|
| CN201810799625.7A CN109032318B (en) | 2018-07-18 | 2018-07-18 | Power supply monitoring system and storage server system |
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| CN109933377A (en) * | 2019-03-22 | 2019-06-25 | 浪潮商用机器有限公司 | A kind of method for managing power supply and relevant apparatus of CPLD |
| CN110687957A (en) * | 2019-09-12 | 2020-01-14 | 苏州浪潮智能科技有限公司 | Control circuit |
| CN113835510A (en) * | 2021-09-27 | 2021-12-24 | 新华三信息安全技术有限公司 | Power supply control method and system |
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|---|---|
| CN109032318B (en) | 2021-08-10 |
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