CN111750918A - Dust inlet monitoring method and system for edge computing server - Google Patents

Dust inlet monitoring method and system for edge computing server Download PDF

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Publication number
CN111750918A
CN111750918A CN202010469682.6A CN202010469682A CN111750918A CN 111750918 A CN111750918 A CN 111750918A CN 202010469682 A CN202010469682 A CN 202010469682A CN 111750918 A CN111750918 A CN 111750918A
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fan
current value
edge computing
dust
server
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CN202010469682.6A
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CN111750918B (en
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江至峯
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The application discloses a method and a system for monitoring dust entering of an edge computing server, wherein the method comprises the following steps: acquiring actual fan current values of all fans in the edge computing server; judging whether the actual fan current value of any fan is always larger than the set fan current value in a set time period; if yes, judging whether the rotating speed of any fan is in a set rotating speed range; if yes, judging that the dust accumulation of the server dust screen is excessive; and sending alarm information, wherein the alarm information is used for reminding a user to replace the server dustproof net. The system comprises: the fan current value acquisition module, the first judgment module, the second judgment module and the alarm module. Through the method and the device, the accuracy and the reliability of the server dust inlet monitoring can be effectively improved, and the monitoring efficiency is favorably improved.

Description

Dust inlet monitoring method and system for edge computing server
Technical Field
The application relates to the technical field of server heat dissipation, in particular to a method and a system for monitoring dust entering of an edge computing server.
Background
The edge computer is a popular application product in the server field in recent years, the specification of the edge computing server needs to be adapted to an application architecture of a 5G telecommunication system, the edge computing server usually runs in a high-temperature and high-dust environment, and how to monitor the performance of the edge computing server in the high-dust environment so as to ensure the normal running of the edge computing server is an important technical problem.
At present, a dust-laden environment monitoring method for an edge computing server is generally to manually check a dust screen. Specifically, in order to reduce the influence of high dust, a filter type dust screen is usually placed on the front window of the server system to prevent dust from entering the server system, and when the dust screen is densely covered with dust, the dust screen is replaced.
However, in the existing method for monitoring the high-dust environment of the edge computing server, it cannot be ensured that the dust screen is manually checked in time to see whether the dust screen is full of dust or not because the dust screen is manually checked. Moreover, even if the dust screen is checked at regular time, due to the uncertainty of the external environment, the dust screen cannot be replaced in time when the dust screen is replaced. Therefore, the existing high-dust environment monitoring method for the edge computing server cannot ensure the timely replacement of the dustproof net, and the accuracy and the reliability of the high-dust environment monitoring are low, so that the heat dissipation of the edge computing server is influenced, and even the performance of the edge computing server is influenced.
Disclosure of Invention
The application provides a method and a system for monitoring dust entering of an edge computing server, which aim to solve the problem that in the prior art, the accuracy and the reliability of monitoring a high-dust environment are not high enough.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
an edge computing server dust ingress monitoring method, the method comprising:
acquiring actual fan current values of all fans in the edge computing server;
judging whether the actual fan current value of any fan is always larger than the set fan current value in a set time period;
if yes, judging whether the rotating speed of any fan is in a set rotating speed range;
if yes, judging that the dust accumulation of the server dust screen is excessive;
and sending alarm information, wherein the alarm information is used for reminding a user to replace the server dustproof net.
Optionally, the acquiring the actual fan current values of all fans in the edge calculation server includes:
a shunt resistor is arranged on a power supply path of any fan;
collecting electric potentials at two ends of the shunt resistor;
according to the potential of two ends of shunt resistor, using formula I ═ VsenseP-VsenseN/RshuntAnd calculating the actual fan current value on any fan power supply path, wherein I is the actual fan current value on any fan power supply path, and VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs the potential of the current outflow end of the shunt resistor, RshuntIs a shunt resistor.
Optionally, the set time period is T, and T is more than or equal to 3 hours and less than or equal to 6 hours.
Optionally, the set fan current value is a fan rated current.
Optionally, the fan comprises: at least one of a storage system fan, a GPU (Graphics Processing Unit) system fan, and a switch system fan.
An edge computing server dust ingress monitoring system, the system comprising:
the fan current value acquisition module is used for acquiring the actual fan current values of all fans in the edge calculation server;
the first judgment module is used for judging whether the actual fan current value of any fan is always larger than the set fan current value in a set time period;
the second judgment module is used for judging whether the rotating speed of any fan is in a set rotating speed range or not when the actual fan current value of any fan is always larger than the set fan current value in a set time period, and if so, judging that the dust deposition of the dustproof net of the server is excessive;
and the alarm module is used for sending alarm information when the second judgment module judges that the dust deposition of the server dust screen is excessive, and the alarm information is used for reminding a user to replace the server dust screen.
Optionally, the fan current value collecting module includes: the edge computing system comprises a plurality of power supply monitoring chips and a plurality of shunt resistors, wherein any fan is matched with one power supply monitoring chip and one shunt resistor, one end of any power supply monitoring chip is connected with a Baseboard Management Controller (BMC) of an edge computing server through an I2C signal, and the other end of any power supply monitoring chip is connected with one fan through the shunt resistor; the power supply monitoring chip is used for monitoring the actual fan current value on any fan power supply path.
Optionally, any of the power supply monitoring chips includes:
the potential acquisition unit is used for acquiring potentials at two ends of the shunt resistor;
a calculating unit for calculating the potential across the shunt resistor according to formula I-VsenseP-VsenseN/RshuntAnd calculating the actual fan current value on any fan power supply path, wherein I is the fan current value on any fan power supply path, and VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs the potential of the current outflow end of the shunt resistor, RshuntIs a shunt resistor.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the method comprises the steps of firstly collecting actual fan current values of all fans in an edge calculation server, then judging whether the actual fan current value of any fan is always larger than a set fan current value in a set time period, if so, continuously judging whether the rotating speed of any fan is in a set rotating speed range, and if so, judging that dust accumulation of a dustproof net of the server is excessive, and sending alarm information. This embodiment is through monitoring actual fan current value and fan rotational speed, monitors two kinds of parameters respectively, can judge more accurately whether the server dust screen is laying dust, is favorable to improving the accuracy and the reliability that the server advances the dirt control. And when the actual fan current value is kept larger than the set fan current value for a long time, further judging whether the fan rotating speed is normal or not, and determining that the dust deposition of the server dust screen is excessive when the fan rotating speed is normal. The condition that the actual fan current value is in a normal state can be eliminated, and the judgment efficiency is improved. In addition, in the embodiment, a certain time is set for the condition that the actual fan current value is greater than the set fan current value, the set time is 3-6 hours, that is, when the actual fan current value is occasionally greater than the set fan current value or is greater than the set fan current value within a short time, it is not determined that the dust deposition of the dust screen is excessive, and other conditions may occur.
In addition, when the actual fan current value is collected, the actual fan current value is determined through the shunt resistor and the electric potentials at the two ends of the shunt resistor by the method of arranging the shunt resistor on the fan power supply path, so that the method is convenient to realize, the parameters are easy to collect, and the monitoring efficiency and the reliability are improved.
The present application further provides an edge computing server dust inlet monitoring system, which mainly includes: the fan current value acquisition module, the first judgment module, the second judgment module and the alarm module. Through fan current value collection module, can gather the actual current value of current fan in real time to loop through first judging module and second judging module, judge respectively fan current value and rotational speed, be favorable to improving the accuracy and the reliability of control. Fan current value acquisition module mainly includes a plurality of power monitoring chips and a plurality of shunt resistor in this embodiment, promptly: a power supply monitoring chip and a shunt resistor are matched with one fan, and the actual current value of each fan can be monitored in real time through the structural design, so that the accuracy and the reliability of a monitoring result are further improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart illustrating a method for monitoring dust entering of an edge computing server according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating the principle of monitoring dust entering of an edge computing server in the embodiment of the present application;
fig. 3 is a schematic structural diagram of an edge computing server dust inlet monitoring system according to an embodiment of the present disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For a better understanding of the present application, embodiments of the present application are explained in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart of a method for monitoring dust entering of an edge computing server according to an embodiment of the present application. As shown in fig. 1, the method for monitoring dust entering into an edge computing server in this embodiment mainly includes the following steps:
s1: and collecting the actual fan current values of all fans in the edge calculation server.
Specifically, the method for collecting the actual fan current value of the fan in the embodiment includes the following steps:
s11: a shunt resistor is provided in a power supply path of any one of the fans.
The principle of monitoring dust entering into the edge computing server in this embodiment can be seen in fig. 2, where V-Sense-P and V-Sense-N are potentials at two ends of the shunt resistor, and fig. 2 only takes the monitoring of the actual fan current value on one fan power supply path as an example. As shown in fig. 2, a fan is matched with a power supply monitoring chip and a shunt resistor, the shunt resistor and the power supply monitoring chip are disposed on a power supply path of the fan, PWM (Pulse Width Modulation) is used for controlling a fan speed, and TACH (TACHometer) is used for reading the fan speed.
S12: and collecting the potential at two ends of the shunt resistor.
S13: according to the potential of two ends of shunt resistor, using formula I ═ VsenseP-VsenseN/RshuntAnd calculating to obtain the actual fan current value on any fan power supply path. Wherein I is the actual fan current value on any fan power supply path, VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs the potential of the current outflow end of the shunt resistor, RshuntIs a shunt resistor.
After determining the actual fan current values through the above steps S11-S13, the BMC may monitor the actual fan current value of any fan in real time through the I2C signal.
With continued reference to fig. 1, after the actual fan current values of all the fans are collected, step S2 is executed: and judging whether the actual fan current value of any fan is always larger than the set fan current value in the set time period.
The time period set in this embodiment is T, and the value range of T is: t is more than or equal to 3 hours and less than or equal to 6 hours. Taking the T value of 4 hours as an example, step S2 is: and judging whether the actual fan current value of any fan is always larger than the set fan current value within 4 hours. The setting of the set time period can filter the situation that the actual fan current value occurring in a short time is larger than the set fan current value, and is favorable for improving the accuracy and reliability of the judgment result. The specific value of the set time period can be determined according to the parameter requirements and the dustproof requirements of different fans of the server.
The fan current value set in this embodiment is preferably the fan rated current, that is, it is determined whether the actual fan current value of any fan is always greater than the fan rated current value within the set time period, so that it can be determined whether the fan is always in overload operation within the set time period.
If the actual fan current value of any fan is always greater than the set fan current value within the set time period, step S3 is executed: and judging whether the rotating speed of any fan is in a set rotating speed range or not.
Otherwise, the flow ends. That is, only after it is determined that the server fan is overloaded for a long time in step S2, it is further determined whether the fan rotation speed is normal.
If the server fan is overloaded for a long time and the rotation speed of the fan is in the set rotation speed range, it indicates that the normal rotation speed of the fan is the result obtained for maintenance by consuming more energy than the rated power, and then step S4 is executed: and judging that the dust accumulation of the server dust screen is excessive.
If the rotating speed of any fan is not in the set rotating speed range, the fact that the fan does not need to consume energy larger than rated power to maintain the rotating speed of the fan is shown, the air inlet volume of the system is sufficient, the air flow impedance is normal, and the fact that the actual current value of the fan exceeds the standard due to dust accumulation of a dust screen is avoided.
When it is determined that the dust deposition on the server dust screen is excessive, step S5 is executed: and sending alarm information, wherein the alarm information is used for reminding a user to replace the server dustproof net.
Further, the fan in the present embodiment includes: at least one fan of a storage system fan, a GPU system fan, and a switch system fan. That is, the dust monitoring method in the present embodiment is applied to one, two, or three of the storage system, the GPU system, and the switch system of the edge computer.
Example two
Referring to fig. 3 based on the embodiments shown in fig. 1 and fig. 2, it can be seen from fig. 3 that the system for monitoring dust entering into an edge computing server in this embodiment mainly includes: the fan current value acquisition module, the first judgment module, the second judgment module and the alarm module.
The fan current value acquisition module is used for acquiring the actual fan current values of all fans in the edge calculation server. The first judgment module is used for judging whether the actual fan current value of any fan is always larger than the set fan current value in the set time period. And the second judging module is used for judging whether the rotating speed of any fan is in the set rotating speed range or not when the actual fan current value of any fan is always larger than the set fan current value in the set time period, and if so, judging that the dust deposition of the dustproof net of the server is excessive. And the alarm module is used for sending alarm information when the second judgment module judges that the dust deposition of the server dust screen is excessive, and the alarm information is used for reminding a user to replace the server dust screen.
Further, the fan current value acquisition module comprises: the edge computing system comprises a plurality of power supply monitoring chips and a plurality of shunt resistors, wherein any fan is matched with one power supply monitoring chip and one shunt resistor, one end of any power supply monitoring chip is connected with the BMC of the edge computing server through an I2C signal, and the other end of any power supply monitoring chip is connected with one fan through the shunt resistor; and the power supply monitoring chip is used for monitoring the actual fan current value on any fan power supply path.
The power supply monitoring chip includes: the device comprises a potential acquisition unit and a calculation unit. The potential acquisition unit is used for acquiring potentials at two ends of the shunt resistor. A calculating unit for calculating the potential across the shunt resistor according to formula I-VsenseP-VsenseN/RshuntAnd calculating the actual fan current value on any fan power supply path, wherein I is the actual fan current value on any fan power supply path, and VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs the potential of the current outflow end of the shunt resistor, RshuntIs a shunt resistor.
The working principle and the working method of the dust inlet monitoring system of the edge computing server in this embodiment have been explained in detail in the embodiments shown in fig. 1 and fig. 2, and are not described again here.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An edge computing server dust ingress monitoring method, the method comprising:
acquiring actual fan current values of all fans in the edge computing server;
judging whether the actual fan current value of any fan is always larger than the set fan current value in a set time period;
if yes, judging whether the rotating speed of any fan is in a set rotating speed range;
if yes, judging that the dust accumulation of the server dust screen is excessive;
and sending alarm information, wherein the alarm information is used for reminding a user to replace the server dustproof net.
2. The method for monitoring dust entering into the edge computing server according to claim 1, wherein the collecting actual fan current values of all fans in the edge computing server comprises:
a shunt resistor is arranged on a power supply path of any fan;
collecting electric potentials at two ends of the shunt resistor;
according to the potential of two ends of shunt resistor, using formula I ═ VsenseP-VsenseN/RshuntAnd calculating the actual fan current value on any fan power supply path, wherein I is the actual fan current value on any fan power supply path, and VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs divided intoPotential of current outflow end of resistance, RshuntIs a shunt resistor.
3. The method for monitoring dust entering into the edge computing server as claimed in claim 1, wherein the set time period is T, T is greater than or equal to 3 hours and less than or equal to 6 hours.
4. The edge computing server dust inlet monitoring method according to claim 1, wherein the set fan current value is a fan rated current.
5. The edge computing server dust ingress monitoring method of claim 1, wherein the fan comprises: at least one fan of a storage system fan, a GPU system fan, and a switch system fan.
6. An edge computing server dust ingress monitoring system, the system comprising:
the fan current value acquisition module is used for acquiring the actual fan current values of all fans in the edge calculation server;
the first judgment module is used for judging whether the actual fan current value of any fan is always larger than the set fan current value in a set time period;
the second judgment module is used for judging whether the rotating speed of any fan is in a set rotating speed range or not when the actual fan current value of any fan is always larger than the set fan current value in a set time period, and if so, judging that the dust deposition of the dustproof net of the server is excessive;
and the alarm module is used for sending alarm information when the second judgment module judges that the dust deposition of the server dust screen is excessive, and the alarm information is used for reminding a user to replace the server dust screen.
7. The edge computing server dust inlet monitoring system of claim 6, wherein the fan current value collecting module comprises: the edge computing system comprises a plurality of power supply monitoring chips and a plurality of shunt resistors, wherein any fan is matched with one power supply monitoring chip and one shunt resistor, one end of any power supply monitoring chip is connected with the BMC of the edge computing server through an I2C signal, and the other end of any power supply monitoring chip is connected with one fan through the shunt resistor; the power supply monitoring chip is used for monitoring the actual fan current value on any fan power supply path.
8. The edge computing server dust inlet monitoring system of claim 7, wherein any of the power supply monitoring chips comprises:
the potential acquisition unit is used for acquiring potentials at two ends of the shunt resistor;
a calculating unit for calculating the potential across the shunt resistor according to formula I-VsenseP-VsenseN/RshuntAnd calculating the actual fan current value on any fan power supply path, wherein I is the actual fan current value on any fan power supply path, and VsensePIs the potential of the current-flowing terminal of the shunt resistor, VsenseNIs the potential of the current outflow end of the shunt resistor, RshuntIs a shunt resistor.
CN202010469682.6A 2020-05-28 2020-05-28 Dust inlet monitoring method and system for edge computing server Active CN111750918B (en)

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WO2009024052A1 (en) * 2007-08-17 2009-02-26 Huawei Technologies Co., Ltd. Measuring device, method and electronic device for measuring blinding degree of dust screen
CN103902927A (en) * 2012-12-29 2014-07-02 鸿富锦精密工业（深圳）有限公司 Fan protection method and system
CN104503890A (en) * 2014-12-30 2015-04-08 浪潮电子信息产业股份有限公司 Device and method for rotation speed display of server fan and alarm
CN106681886A (en) * 2016-12-26 2017-05-17 郑州云海信息技术有限公司 Method and system for judging server fan damage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004063993A (en) * 2002-07-31 2004-02-26 Seiko Epson Corp Method of warning filter replacement and electronic equipment equipped with filter replacement warning mechanism
WO2009024052A1 (en) * 2007-08-17 2009-02-26 Huawei Technologies Co., Ltd. Measuring device, method and electronic device for measuring blinding degree of dust screen
CN103902927A (en) * 2012-12-29 2014-07-02 鸿富锦精密工业（深圳）有限公司 Fan protection method and system
CN104503890A (en) * 2014-12-30 2015-04-08 浪潮电子信息产业股份有限公司 Device and method for rotation speed display of server fan and alarm
CN106681886A (en) * 2016-12-26 2017-05-17 郑州云海信息技术有限公司 Method and system for judging server fan damage

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