CN111475004B - Server heat dissipation control method - Google Patents
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- CN111475004B CN111475004B CN202010154860.6A CN202010154860A CN111475004B CN 111475004 B CN111475004 B CN 111475004B CN 202010154860 A CN202010154860 A CN 202010154860A CN 111475004 B CN111475004 B CN 111475004B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000013507 mapping Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052802 copper Inorganic materials 0.000 abstract description 11
- 239000010949 copper Substances 0.000 abstract description 11
- 238000007726 management method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
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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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- Human Computer Interaction (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a server heat dissipation device and a control method, comprising the following steps: the cooling system comprises a plurality of fans, a BMC, a temperature sensor, a water cooling system and a copper hollow cooling pipe; the temperature sensor is arranged at an air inlet of the server; the BMC is connected with a temperature sensor through an I2C bus, the copper hollow cooling pipe is arranged at the air outlet position of the fan, and the water cooling system is communicated with the copper hollow cooling pipe; and the water cooling system is connected with the BMC. The invention improves the cooling efficiency of the fan, greatly saves the power consumption of the fan, reduces the power consumption of the whole server system and improves the product competitiveness.
Description
Technical Field
The invention belongs to the technical field of server heat dissipation, and particularly relates to a server heat dissipation device and a control method.
Background
With the rapid development of science and technology, the server architecture is increasingly huge and pursues high-density performance, and various system daughter boards are derived from the inside of the server to improve the efficiency of the server, so that the management of the system inside the server is more and more complex, the overall power consumption of the server is higher and higher, and when the power consumption is too high, the server is ensured not to be overheated due to the heat generated by the power consumption of the server and the external environment temperature, so in the design of the server system, the reasonable planning and heat dissipation is always the research content which is valued in the industry.
In the current common server heat dissipation architecture, a baseboard management controller is used as a main control end, and is connected to sensors, such as a temperature sensor and a power consumption sensor, through a fan control interface of the baseboard management controller in cooperation with an I2C bus, so as to determine real-time temperature and power consumption of the system, and output a fan PWM control signal to control the rotation speed of the fan, thereby achieving the purpose of controlling the temperature of the whole system.
The prior art has the following defects:
(1) with the rise of the external environment temperature, the temperature of the air sucked by the server is also increased, the temperature in the server can be reduced only by the rotation speed of the fan, and the energy consumption of the fan is increased.
(2) At present, servers often share a shell, the internal configuration is different, and the power consumption required by different components is different, so that the internal structure of the server generates heat unevenly, and the problem of heat dissipation cannot be completely solved by controlling a fan by a substrate management controller alone.
(3) The algorithm mechanism of the baseboard management controller for temperature control is to read the temperature sensor or the power consumption sensor on the board through the I2C bus, and take the point with the highest temperature as the judgment threshold value of the fan transfer control; because the power consumption of each component in the system is different, the temperature difference between temperatures is large, but the rotation numbers of the fans are all the same and cannot be independently separated, the control method usually wastes the power consumption of the fans on the component with lower heat, and the power consumption of the server is wasted.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a server heat dissipation device and a control method thereof to solve the above-mentioned technical problems.
In a first aspect, the present invention provides a server heat sink, including: the cooling system comprises a plurality of fans, a BMC, a temperature sensor, a water cooling system and a copper hollow cooling pipe; the temperature sensor is arranged at an air inlet of the server; the BMC is connected with a temperature sensor through an I2C bus, the copper hollow cooling pipe is arranged at the air outlet position of the fan, and the water cooling system is communicated with the copper hollow cooling pipe; and the water cooling system is connected with the BMC.
Further, the apparatus further comprises: the temperature sensor, the singlechip and the full-bridge driver are arranged on each part of the server; the temperature sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the BMC, the full-bridge driver is connected with the single chip microcomputer, and the full-bridge driver is connected with the fan.
Further, the apparatus further comprises: and the power consumption sensors are arranged on all the parts of the server and are connected with the single chip microcomputer.
In a second aspect, the present invention provides a server heat dissipation control method, including:
setting temperature thresholds of all components according to performance requirements of all components of the server;
collecting real-time temperature of each component of the server, and comparing the real-time temperature with a temperature threshold of each component;
and the BMC controls the fans of all the parts to be turned off according to the real-time temperature and the temperature threshold value of all the parts.
Further, the BMC controls the shutdown of the fans of the components according to the real-time power consumption and the temperature threshold of the components, including:
the BMC controls a level signal input to the full-bridge driver by the singlechip according to the relation between the real-time temperature and the temperature threshold value;
establishing a mapping relation between the level of the level signal and the rotation action of the fan;
and the full-bridge driver judges the rotation action of each component fan according to the input level signal and the mapping relation.
Further, the establishing a mapping relationship between the level of the level signal and the rotation of the fan includes:
the singlechip inputs two level signals to the full-bridge driver, and the two input level signals are a first input signal and a second input signal respectively;
the full-bridge driver outputs two level signals, wherein the two level signals are a first output signal and a second output signal respectively;
judging the rotation action of the fan according to the level relation between the input signal and the output signal:
if the levels of the two input level signals are both high levels, the two output level signals are both low levels, and the rotation of the fan is used as 'stop rotation';
if the levels of the two input level signals are low levels, the full-bridge driver has no output level signal, and the fan keeps the original running state;
if the first input signal is at a high level and the second input signal is at a low level, the first output signal is at a high level and the second output signal is at a low level, and the rotation of the fan is as follows: rotating anticlockwise;
if the first input signal is at a low level and the second input signal is at a high level, the first output signal is at a low level and the second output signal is at a high level, and the rotation of the fan is as follows: rotating clockwise.
Further, the method further comprises:
setting a temperature threshold value of an air inlet of a server;
collecting the real-time temperature of the air inlet of the server, and comparing the real-time temperature with the temperature threshold of the air inlet of the server:
and if the real-time temperature of the air inlet is higher than the temperature threshold value of the air inlet, the BMC starts the water cooling system.
The beneficial effect of the invention is that,
according to the server heat dissipation device and the control method, the BMC reads the temperature of the air inlet through the I2C bus, if the temperature of the air inlet is too high, the water cooling system is started, the copper hollow cooling pipe arranged in front of the fan is used for cooling the air flow, and the cooling efficiency of the fan is improved; and the temperature among all the parts is read and controlled, the fan is controlled to be turned on or off, the cooling efficiency of the fan is improved, the power consumption of the fan is greatly saved, the power consumption of the whole server system is reduced, and the product competitiveness is improved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a portion of an apparatus according to one embodiment of the present application;
FIG. 2 is a schematic diagram of a portion of the structure of an apparatus according to an embodiment of the present application;
FIG. 3 is a block flow diagram of a method of one embodiment of the present application;
FIG. 4 is a table of input signal levels and actions according to one embodiment of the present application;
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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 invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
As shown in fig. 1, an embodiment of the present application provides a server heat dissipation device, including: the cooling system comprises a plurality of fans, a BMC, a temperature sensor, a water cooling system and a copper hollow cooling pipe; the temperature sensor is arranged at an air inlet of the server; the BMC is connected with a temperature sensor through an I2C bus, the copper hollow cooling pipe is arranged at the air outlet position of the fan, and the water cooling system is communicated with the copper hollow cooling pipe; the water cooling system is connected with the BMC; as shown in fig. 2, the apparatus further comprises: the temperature sensor, the singlechip and the full-bridge driver are arranged on each part of the server; the temperature sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the BMC, the full-bridge driver is connected with the single chip microcomputer, and the full-bridge driver is connected with the fan.
The device provides two heat dissipation modes, one mode is that the air flow of the fan is dissipated, the temperature sensor positioned at the air inlet of the server detects the air flow entering the fan, if the air flow temperature is too high, the heat dissipation effect is influenced, at the moment, the BMC controls the water cooling system to be started, the water cooling system carries out liquid cooling on the copper hollow cooling pipe at the air outlet of the fan, so that the temperature of the cooling pipe is rapidly reduced, the air flow temperature blown out by the fan is reduced after passing through the cooling pipe, and the heat dissipation effect of the fan is improved; and the other method is that the components in the server are respectively and independently radiated, the BMC controls the fan at the corresponding position of a certain component to be turned on or off when the temperature of the component is increased or reduced according to the temperature sensor on each server component.
Example 2
The embodiment of the application provides a server heat abstractor, the device still includes: the power consumption sensors are arranged on all parts of the server and connected with the single chip microcomputer; if the power consumption sensor detects that a certain part is in a high power consumption mode, the power consumption sensor sends a single chip microcomputer to start a fan at a corresponding position of the part.
FIG. 3 is a schematic flow chart diagram of a method of one embodiment of the present invention. The execution main body in fig. 3 may be a server heat sink.
As shown in fig. 3, the method 100 includes:
and step 130, the BMC controls the fans of all the parts to be turned off according to the real-time temperature of all the parts and the temperature threshold value.
Optionally, as an embodiment of the present application, the BMC controls turning off of the fans of the components according to the real-time power consumption and the temperature threshold of the components, including:
the BMC controls a level signal input to the full-bridge driver by the singlechip according to the relation between the real-time temperature and the temperature threshold value;
establishing a mapping relation between the level of the level signal and the rotation action of the fan;
and the full-bridge driver judges the rotation action of each component fan according to the input level signal and the mapping relation.
Optionally, as an embodiment of the present application, the establishing a mapping relationship between a level of the level signal and a rotation action of the fan includes:
the singlechip inputs two level signals to the full-bridge driver, and the two input level signals are a first input signal and a second input signal respectively;
the full-bridge driver outputs two level signals, wherein the two level signals are a first output signal and a second output signal respectively;
judging the rotation action of the fan according to the level relation between the input signal and the output signal:
if the levels of the two input level signals are both high levels, the two output level signals are both low levels, and the rotation of the fan is used as 'stop rotation';
if the levels of the two input level signals are low levels, the full-bridge driver has no output level signal, and the fan keeps the original running state;
if the first input signal is at a high level and the second input signal is at a low level, the first output signal is at a high level and the second output signal is at a low level, and the rotation of the fan is as follows: rotating anticlockwise;
if the first input signal is at a low level and the second input signal is at a high level, the first output signal is at a low level and the second output signal is at a high level, and the rotation of the fan is as follows: rotating clockwise.
Optionally, as an embodiment of the present application, the method further includes:
setting a temperature threshold value of an air inlet of a server;
collecting the real-time temperature of the air inlet of the server, and comparing the real-time temperature with the temperature threshold of the air inlet of the server:
and if the real-time temperature of the air inlet is higher than the temperature threshold value of the air inlet, the BMC starts the water cooling system.
In order to facilitate understanding of the NVME hard disk backplane provided by the present invention, the principle of the NVME hard disk backplane lighting method of the present invention is combined with the process of inserting the NVME hard disk cable in the embodiment, and the lighting method of the NVME hard disk backplane provided by the present invention is further described below.
Specifically, the server heat dissipation control method includes:
s1, setting temperature thresholds of all components according to the performance requirements of all components of the server;
the power consumption of each component inside the server is different, so the temperature of each component is different, and each component needs to be separately measured. Due to the fact that materials and structures of all parts are different, the tolerance degrees of the parts affected by temperature are different, independent threshold setting needs to be carried out on all parts, and fine and modularized management of server heat dissipation is improved.
S2, acquiring real-time temperature of each component of the server, and comparing the real-time temperature with the temperature threshold of each component;
the system monitors the temperature of each component in real time, compares the real-time temperature with a temperature threshold value independently, and controls the fan of the component to be started when the real-time temperature of a certain component is greater than the temperature threshold value; and when the real-time temperature of a certain component is less than the temperature threshold value, controlling the fan of the component to be turned off.
And S3, the BMC controls the fans of all the parts to be turned off according to the real-time temperature and the temperature threshold value of all the parts.
The singlechip inputs two level signals to the full-bridge driver, wherein the two input level signals are a first input signal and a second input signal respectively; the full-bridge driver outputs two level signals, wherein the two level signals are a first output signal and a second output signal respectively; as shown in fig. 4, if the levels of the two input level signals are both high levels, the two output level signals are both low levels, and the fan rotation is regarded as "stop rotation"; if the levels of the two input level signals are low levels, the full-bridge driver has no output level signal, and the fan keeps the original running state; if the first input signal is at a high level and the second input signal is at a low level, the first output signal is at a high level and the second output signal is at a low level, and the rotation of the fan is as follows: rotating anticlockwise; if the first input signal is at a low level and the second input signal is at a high level, the first output signal is at a low level and the second output signal is at a high level, and the rotation of the fan is as follows: rotating clockwise.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A server heat dissipation control method is characterized by comprising the following steps:
setting temperature thresholds of all components according to performance requirements of all components of the server;
collecting real-time temperature of each component of the server, and comparing the real-time temperature with a temperature threshold of each component;
the BMC controls the fans of all the components to be turned off according to the real-time temperature of all the components and the temperature threshold value;
the BMC controls the fans of all the parts to be turned off according to the real-time power consumption and the temperature threshold of all the parts, and the method comprises the following steps:
the BMC controls a level signal input to the full-bridge driver by the singlechip according to the relation between the real-time temperature and the temperature threshold value;
establishing a mapping relation between the level of the level signal and the rotation action of the fan;
the full-bridge driver judges the rotation action of each component fan according to the input level signal and the mapping relation;
wherein, establishing the mapping relation between the level of the level signal and the rotation action of the fan comprises:
the singlechip inputs two level signals to the full-bridge driver, wherein the two input level signals are a first input signal and a second input signal respectively;
the full-bridge driver outputs two level signals, wherein the two level signals are a first output signal and a second output signal respectively;
judging the rotation action of the fan according to the level relation between the input signal and the output signal:
if the levels of the two input level signals are both high levels, the two output level signals are both low levels, and the rotation of the fan is used as 'stop rotation';
if the levels of the two input level signals are low levels, the full-bridge driver has no output level signal, and the fan keeps the original running state;
if the first input signal is at a high level and the second input signal is at a low level, the first output signal is at a high level and the second output signal is at a low level, and the rotation of the fan is as follows: rotating anticlockwise;
if the first input signal is at a low level and the second input signal is at a high level, the first output signal is at a low level and the second output signal is at a high level, and the rotation of the fan is as follows: rotating clockwise.
2. The method according to claim 1, further comprising:
setting a temperature threshold value of an air inlet of a server;
collecting the real-time temperature of the air inlet of the server, and comparing the real-time temperature with the temperature threshold of the air inlet of the server:
and if the real-time temperature of the air inlet is higher than the temperature threshold value of the air inlet, the BMC starts the water cooling system.
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| JP2009098950A (en) * | 2007-10-17 | 2009-05-07 | Nec Corp | Cooling unit, and control method for the same |
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