CN108170575A - A kind of control method and device of server radiating - Google Patents
A kind of control method and device of server radiating Download PDFInfo
- Publication number
- CN108170575A CN108170575A CN201711423479.XA CN201711423479A CN108170575A CN 108170575 A CN108170575 A CN 108170575A CN 201711423479 A CN201711423479 A CN 201711423479A CN 108170575 A CN108170575 A CN 108170575A
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- Prior art keywords
- server
- management controller
- baseboard management
- heat dissipation
- fan
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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
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
-
- 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
- G06F1/206—Cooling means comprising thermal management
-
- 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
Abstract
The present invention provides a kind of control method and device of server radiating, the method includes：Obtain server info；The heat dissipation strategy of server is obtained according to the server info by baseboard management controller and is sent to complicated programmable logic device, wherein, the heat dissipation strategy of the server is to carry out output control to the server fan；Judge whether the baseboard management controller fails, when the baseboard management controller does not fail, then server fan is directly controlled according to the heat dissipation strategy generating pwm signal of the server by the baseboard management controller；When the baseboard management controller fails, then the heat dissipation strategy generating pwm signal that the server is transferred by the complex programmable device controls server fan.The present invention can improve the stability of server radiating strategy, while also be able under the premise of server security operation is ensured, reduce the operation noise of server energy consumption and server.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of control method and device of server radiating.
Background technology
With the rise of the technologies such as internet, cloud computing and big data, server has become strategic infrastructure.
Under the overall situation of server demands amount rapid growth, server stability is more and more important, wherein reliably heat dissipation strategy is to protect
Demonstrate,prove the key factor of server stable operation.Server is most at present all to use this air-cooled mode of fan as server
Heat dissipation, fan cooling strategy is by baseboard management controller (BMC：Baseboard Management Controller) according to not
Environment temperature together, different system configurations carry out adjustment of rotational speed.BMC affects server fan heat dissipation strategy, if BMC loses
It imitates, fan cooling strategy will also fail, and server will be unable to stable operation.
But in current server system after BMC fails, using fan, rotation ensures that server stablizes fortune at full speed
Row, will lead to server energy consumption and noise problem, causes energy waste, introduce serious noise pollution；Or when BMC fails
Afterwards, part server adjusts tissue by variable resistance and produces different Pulse Width Control rotation speed of the fan, since this method is not due to
It is controlled and need O＆M or personnel adjust confirmation rotation speed of the fan manually after sale, to reach the method for fan cooling policy control,
Therefore, reliability and operability are very poor；Again or after BMC fails, part server by selection second control chip into
Row fan control, due to needing second controller detecting real-time server component temperature and selection gate pair as BMC
Fan control pwm signal is selected；It devises a set of independent cooling system and carries out radiating control, cause the waste of resource
And the increase of server cost.
Invention content
The control method and device of server radiating provided by the invention can improve the stabilization of server radiating strategy
Property, while also be able under the premise of server security operation is ensured, the operation for reducing server energy consumption and server is made an uproar
Sound.
In a first aspect, the present invention provides a kind of control method of server radiating, including：
Obtain server info；
By baseboard management controller according to the server info obtain the heat dissipation strategy of server and be sent to complexity can
Programmed logic device, wherein, the heat dissipation strategy of the server is to carry out rotating speed control to the server fan；
Judge whether the baseboard management controller fails, when the baseboard management controller does not fail, then directly by
The baseboard management controller controls server fan according to the heat dissipation strategy generating pwm signal of the server；When the base
When board management controller fails, then the heat dissipation strategy generating pwm signal control of the server is transferred by the complex programmable device
Control server fan.
Optionally, the server info includes computer room temperature, server component is configured.
Optionally, the computer room temperature and server component configuration are corresponding with the heat dissipation policy information of the server,
Its correspondence is stored in the baseboard management controller.
Optionally, it is described judge the baseboard management controller whether fail including：
Obtain the baseboard management controller is sent through universal input/output interface to the complex programmable device first
Signal；
Judge whether first signal and preset signals are consistent, if it is, the baseboard management controller does not fail；
If it is not, then the baseboard management controller failure.
Optionally, the heat dissipation strategy of server is being obtained according to the server info by baseboard management controller and is being sent
To complicated programmable logic device, the method further includes：
The heat dissipation strategy of the server received is stored in the complex programmable by the complicated programmable logic device
In logic device.
Optionally, it is described directly to be believed by the baseboard management controller according to the heat dissipation strategy generating PWM of the server
Number control server fan be through the complex programmable device by the baseboard management controller according to the heat dissipation of the server
What strategy was generated is used to that the pwm signal of server fan to be controlled to be sent to server fan.
Optionally, when the heat dissipation strategy generating pwm signal that the server is transferred by the complex programmable device controls clothes
It is engaged in after device fan, the method further includes：
Obtain the baseboard management controller is sent through universal input/output interface to the complex programmable device second
Signal；
Judge whether the second signal consistent with preset signals, if it is, by the baseboard management controller according to
The heat dissipation strategy generating pwm signal control server fan of the server；If it is not, then continue by the complex programmable device
The heat dissipation strategy generating pwm signal control server fan of the server of calling stored.
Second aspect, the present invention provide a kind of control device of server radiating, and described device is controlled including substrate management
Device and the complicated programmable logic device being connect respectively with the baseboard management controller and server fan；Wherein,
The baseboard management controller is further included for obtaining the acquiring unit of server info, for according to the service
Device information obtains the heat dissipation strategy of server and is sent to the policy unit of complicated programmable logic device and for according to the clothes
First pwm signal generation unit of the pwm signal of the heat dissipation strategy generating control server fan of business device；
The complicated programmable logic device further includes to judge that whether the baseboard management controller fail first sentences
Disconnected unit and the 2nd PWM letters for transferring the pwm signal that is tactful and generating control server fan that radiates of the server
Number generation unit.
Optionally, the complicated programmable logic device further includes：
Policy receipt unit, for receiving the heat dissipation strategy of the server；
Storage unit with the Policy receipt unit connect and is used to store the heat dissipation strategy of received server；
Signal receiving unit, for obtaining the baseboard management controller through universal input/output interface to the complexity
The first signal or second signal that Programmable is sent；
Second judgment unit, for judging whether the second signal is consistent with preset signals.
Optionally, the baseboard management controller further includes：
Signal transmitting unit, for the first signal sent through universal input/output interface to the complex programmable device
Or second signal.
The control method and device of server radiating provided in an embodiment of the present invention, the method are mainly switched in server
Afterwards, i.e., server info is obtained by baseboard management controller in real time, and corresponding according to acquired server info configuration
The heat dissipation strategy of server is simultaneously sent to complicated programmable logic device, wherein, the heat dissipation strategy of the server is by laboratory root
According to different computer room temperatures and server component configuration testing obtain as a result, and the result further include that this configuration is lower to be serviced
The heat dissipation strategy for the maximum temperature that device is supported；And then when the baseboard management controller fails, it can be achieved that directly by described multiple
Miscellaneous Programmable transfers the heat dissipation strategy of the server to control the rotating speed of the server fan；And then improve service
The stability of the heat dissipation strategy of device, while under the premise of server security operation is ensured, further reaching reduces server energy
Source consumes and the effect of server operation noise.
Description of the drawings
Fig. 1 is the flow chart of the control method of one embodiment of the invention server radiating；
Fig. 2 is the flow chart of the control method of another embodiment of the present invention server radiating；
Fig. 3 is the structure diagram of the control device of one embodiment of the invention server radiating；
Fig. 4 is the structure diagram of the control device of another embodiment of the present invention server radiating；
The structure diagram of the control device of Fig. 5 another embodiment of the present invention server radiatings.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of control method of server radiating, as shown in Figure 1, the method includes：
S11, server info is obtained；
S12, the heat dissipation strategy of server is obtained according to the server info by baseboard management controller and is sent to multiple
Miscellaneous programmable logic device, wherein, the heat dissipation strategy of the server is to carry out rotating speed control to the server fan；
S13, judge whether the baseboard management controller fails, when the baseboard management controller does not fail, then directly
It connects and server fan is controlled according to the heat dissipation strategy generating pwm signal of the server by the baseboard management controller；Work as institute
When stating baseboard management controller failure, then the heat dissipation strategy generating PWM that the server is transferred by the complex programmable device believes
Number control server fan.
The control method of server radiating provided in an embodiment of the present invention mainly after server booting, that is, passes through substrate pipe
Reason controller obtains server info in real time, and the heat dissipation strategy of corresponding server is configured according to acquired server info
And be sent to complicated programmable logic device, wherein, the server heat dissipation strategy by laboratory according to different computer room temperatures
And server component configuration testing obtain as a result, and the result further include the maximum temperature that this lower server of configuration is supported
Heat dissipation strategy；And then when the baseboard management controller fails, it can be achieved that directly transferring institute by the complex programmable device
The heat dissipation strategy of server is stated to control the rotating speed of the server fan；And then improve the steady of strategy that radiate of server
It is qualitative, while under the premise of server security operation is ensured, further reaching reduces server energy consumption and server
Run the effect of noise.
Optionally, as shown in Fig. 2, the server info includes computer room temperature, server component is configured.
Optionally, the computer room temperature and server component configuration are corresponding with the heat dissipation policy information of the server,
Its correspondence is stored in the baseboard management controller.
Specifically, by obtaining computer room temperature, server component configuration in the present embodiment the method, and being capable of real-time root
Different highest rotation speed of the fan is set according to computer room temperature and server component configuration, it is ensured that fail in the baseboard management controller
Server can achieve the effect that energy-saving and emission-reduction afterwards.
Optionally, it is described judge the baseboard management controller whether fail including：
S131, the acquisition baseboard management controller are sent through universal input/output interface to the complex programmable device
The first signal；
S132, judge whether first signal and preset signals are consistent, if it is, the baseboard management controller is not
Failure；If it is not, then the baseboard management controller failure.
Specifically, described in the present embodiment in method by the baseboard management controller in real time to the complex programmable device
The first signal is sent, for example, when first signal is the square wave of fixed frequency, then the preset signals are 1Hz square waves；Into
And realize real-time detection of the complex programmable device to the baseboard management controller, it is ensured that the baseboard management controller institute
The validity of pwm signal is generated, improves stability and the safety of the server radiating.
Optionally, the heat dissipation strategy of server is being obtained according to the server info by baseboard management controller and is being sent
To complicated programmable logic device, the method further includes：
S14, the heat dissipation strategy of the server received is stored in the complexity by the complicated programmable logic device can
In programmed logic device.
Specifically, in the present embodiment the method server be switched on and obtain computer room temperature and server component configuration
Afterwards, the heat dissipation strategy of server is directly obtained according to the correspondence stored by the baseboard management controller, and is sent to
The complicated programmable logic device is stored, so that the complicated programmable logic device can independently transfer the server
Heat dissipation strategy, and then realize by the complicated programmable logic device generation pwm signal server fan rotating speed is controlled,
It is if when the highest rated speed of server fan is 10000 turns, then described multiple when the server maximum temperature is 35 DEG C
Miscellaneous programmable logic device can be tactful by server fan by the heat dissipation of server according to the heat dissipation strategy of the server stored
Maximum speed is set as 8000 and rotates into capable heat dissipation.Therefore, the present embodiment the method is not only patrolled using the complex programmable
The heat dissipation strategy that device flexibly controls server is collected, improves the stability of the heat dissipation strategy of the server；But also it can lead to
It crosses the baseboard management controller and complicated programmable logic device joint realizes server using the heat dissipation strategy of server
Heat dissipation, it is ensured that still be able to reach energy-saving and emission-reduction after baseboard management controller failure and control the effect of server noise
Fruit.
Optionally, it is described directly to be believed by the baseboard management controller according to the heat dissipation strategy generating PWM of the server
Number control server fan be through the complex programmable device by the baseboard management controller according to the heat dissipation of the server
What strategy was generated is used to that the pwm signal of server fan to be controlled to be sent to server fan.
Optionally, when the heat dissipation strategy generating pwm signal that the server is transferred by the complex programmable device controls clothes
It is engaged in after device fan, the method further includes：
S15, obtain what the baseboard management controller was sent through universal input/output interface to the complex programmable device
Second signal；
S16, judge whether the second signal and preset signals are consistent, if it is, by the baseboard management controller
Server fan is controlled according to the heat dissipation strategy generating pwm signal of the server；If it is not, then continue to be compiled by the complexity
The heat dissipation strategy generating pwm signal control server fan of the server of journey device calling stored.
Specifically, method described in the present embodiment is in the heat dissipation strategy that the server is transferred by the complex programmable device
After generating pwm signal control server fan, also by continuing to the second signal transmitted by the baseboard management controller
It is monitored in real time, the baseboard management controller can be switched in time, the server fan is controlled, further
Improve the stability of the heat dissipation strategy of the server.
The embodiment of the present invention also provides a kind of control device of server radiating, as shown in figure 3, described device includes substrate
Management Controller 11 and the complicated programmable logic device being connect respectively with the baseboard management controller 11 and server fan 13
12；Wherein,
The baseboard management controller 11 is further included for obtaining the acquiring unit 111 of server info, for according to institute
Server info is stated to obtain the heat dissipation strategy of server and be sent to the policy unit 112 of complicated programmable logic device and be used for
According to the first pwm signal generation unit 113 of the pwm signal of the heat dissipation strategy generating control server fan of the server；
The complicated programmable logic device 12 further include for judge whether the baseboard management controller 11 fails
One judging unit 122 and for transfer the heat dissipation strategy of the server and generate control server fan pwm signal the
Two pwm signal generation units 121.
The control device of server radiating provided in an embodiment of the present invention is controlled after server booting by substrate management
The acquiring unit of device processed obtains server info in real time, and corresponding according to acquired server info configuration by policy unit
The heat dissipation strategy of server is simultaneously sent to complicated programmable logic device, wherein, the heat dissipation strategy of the server is by laboratory root
According to different computer room temperatures and server component configuration testing obtain as a result, and the result further include that this configuration is lower to be serviced
The heat dissipation strategy for the maximum temperature that device is supported；And then when the baseboard management controller fails, it can be achieved that directly by described multiple
Second pwm signal generation unit of miscellaneous Programmable transfers the heat dissipation strategy of the server to control the server wind
Fan；And then the stability of the heat dissipation strategy of server is improved, while under the premise of server security operation is ensured, further
Achieve the effect that reduce server energy consumption and server operation noise.
Optionally, as shown in figure 4, the complicated programmable logic device further includes：
Policy receipt unit 125, for receiving the heat dissipation strategy of the server；
Storage unit 126 with the Policy receipt unit connect and is used to store the heat dissipation strategy of received server；
Signal receiving unit 123, for obtain the baseboard management controller through universal input/output interface (GPIO) to
The first signal or second signal that the complex programmable device is sent；
Second judgment unit 124, for judging whether the second signal is consistent with preset signals.
Optionally, the baseboard management controller further includes：
Signal transmitting unit 114, for the first letter sent through universal input/output interface to the complex programmable device
Number or second signal.
In conclusion as shown in figure 5, baseboard management controller described in device described in the present embodiment pass through it is general defeated
Enter/output interface connect with the complicated programmable logic device and sends the first signal or second signal, and then by the complexity
Programmable logic device carries out signal detection to the baseboard management controller, it is ensured that the stability of described device operation and reliable
Property；The communication for the heat dissipation strategy for realizing server is connect with the complicated programmable logic device also by I2C buses, so that described
Device can flexibly control the heat dissipation strategy of server using the complicated programmable logic device so that be controlled in the substrate management
When device fails, described device energy consumption and server noise are reduced；Also pass through interface and the complicated programmable logic device simultaneously
It connects and is realized through the complicated programmable logic device communication of the pwm signal between server fan, reach simplified device knot
The effect of structure.
The device of the present embodiment can be used for performing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of control method of server radiating, which is characterized in that including：
Obtain server info；
The heat dissipation strategy of server is obtained according to the server info by baseboard management controller and is sent to complex programmable
Logic device, wherein, the heat dissipation strategy of the server is to carry out rotating speed control to the server fan；
Judge whether the baseboard management controller fails, when the baseboard management controller does not fail, then directly by described
Baseboard management controller controls server fan according to the heat dissipation strategy generating pwm signal of the server；When the substrate pipe
When managing controller failure, then the heat dissipation strategy generating pwm signal that the server is transferred by the complex programmable device controls clothes
Business device fan.
2. according to the method described in claim 1, it is characterized in that, the server info includes computer room temperature, server portion
Part is configured.
3. according to the method described in claim 2, it is characterized in that, the computer room temperature and server component configuration and the clothes
The heat dissipation policy information of business device is corresponding, and correspondence is stored in the baseboard management controller.
4. according to any methods of claim 1-3, which is characterized in that described whether to judge the baseboard management controller
Failure includes：
Obtain the first letter that the baseboard management controller is sent through universal input/output interface to the complex programmable device
Number；
Judge whether first signal and preset signals are consistent, if it is, the baseboard management controller does not fail；If
It is no, then the baseboard management controller failure.
5. according to any methods of claim 1-4, which is characterized in that by baseboard management controller according to the service
Device information obtains the heat dissipation strategy of server and is sent to after complicated programmable logic device that the method further includes：
The heat dissipation strategy of the server received is stored in the complex programmable logic by the complicated programmable logic device
In device.
6. according to the method described in claim 5, it is characterized in that, it is described directly as the baseboard management controller according to
The heat dissipation strategy generating pwm signal control server fan of server is by the substrate management control through the complex programmable device
Device processed according to the heat dissipation strategy of the server generated for the pwm signal of server fan to be controlled to be sent to server wind
Fan.
7. according to the method described in claim 6, it is characterized in that, when transferring the server by the complex programmable device
It radiates after strategy generating pwm signal control server fan, the method further includes：
Obtain the second letter that the baseboard management controller is sent through universal input/output interface to the complex programmable device
Number；
Judge whether the second signal is consistent with preset signals, if it is, as the baseboard management controller according to
The heat dissipation strategy generating pwm signal control server fan of server；If it is not, then continue to be transferred by the complex programmable device
The heat dissipation strategy generating pwm signal control server fan of the server stored.
8. a kind of control device of server radiating, which is characterized in that described device include baseboard management controller and respectively with
The complicated programmable logic device that the baseboard management controller is connected with server fan；Wherein,
The baseboard management controller is further included for obtaining the acquiring unit of server info, for according to server letter
Breath obtains the heat dissipation strategy of server and is sent to the policy unit of complicated programmable logic device and for according to the server
Heat dissipation strategy generating control server fan pwm signal the first pwm signal generation unit；
The complicated programmable logic device further includes to judge that the first the judgement whether baseboard management controller fails is single
Member and the second pwm signal life for transferring the pwm signal that is tactful and generating control server fan that radiates of the server
Into unit.
9. device according to claim 8, which is characterized in that the complicated programmable logic device further includes：
Policy receipt unit, for receiving the heat dissipation strategy of the server；
Storage unit with the Policy receipt unit connect and is used to store the heat dissipation strategy of received server；
Signal receiving unit can be compiled for obtaining the baseboard management controller through universal input/output interface to the complexity
The first signal or second signal that journey device is sent；
Second judgment unit, for judging whether the second signal is consistent with preset signals.
10. device according to claim 8 or claim 9, which is characterized in that the baseboard management controller further includes：
Signal transmitting unit, for the first signal or sent through universal input/output interface to the complex programmable device
Binary signal.
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| CN201711423479.XA CN108170575A (en) | 2017-12-25 | 2017-12-25 | A kind of control method and device of server radiating |
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| CN201711423479.XA CN108170575A (en) | 2017-12-25 | 2017-12-25 | A kind of control method and device of server radiating |
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| CN109826822A (en) * | 2019-04-11 | 2019-05-31 | 苏州浪潮智能科技有限公司 | A kind of control method for fan and relevant apparatus |
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| CN109488631A (en) * | 2018-11-28 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of fan control device and its method |
| CN109611367A (en) * | 2018-12-11 | 2019-04-12 | 英业达科技有限公司 | Fan control system and server based on CPLD |
| CN109356875A (en) * | 2018-12-18 | 2019-02-19 | 广东浪潮大数据研究有限公司 | A kind of server fan control method, apparatus and system |
| CN109826822A (en) * | 2019-04-11 | 2019-05-31 | 苏州浪潮智能科技有限公司 | A kind of control method for fan and relevant apparatus |
| CN109826822B (en) * | 2019-04-11 | 2021-06-29 | 苏州浪潮智能科技有限公司 | Fan control method and related device |
| CN110594180A (en) * | 2019-07-19 | 2019-12-20 | 苏州浪潮智能科技有限公司 | Control method and system of server heat dissipation controller |
| CN112948185A (en) * | 2021-02-26 | 2021-06-11 | 浪潮电子信息产业股份有限公司 | Server heat dissipation method and device and related components |
| CN113374724B (en) * | 2021-07-12 | 2023-12-15 | 恒安嘉新（北京）科技股份公司 | Fan control system and method based on multiple temperature nodes |
| CN113374724A (en) * | 2021-07-12 | 2021-09-10 | 恒安嘉新（北京）科技股份公司 | Fan control system and method based on multiple temperature nodes |
| CN113883078A (en) * | 2021-08-27 | 2022-01-04 | 苏州浪潮智能科技有限公司 | Fan control device and method |
| CN113883078B (en) * | 2021-08-27 | 2024-01-23 | 苏州浪潮智能科技有限公司 | Fan control device and method |
| CN113719461A (en) * | 2021-08-30 | 2021-11-30 | 苏州浪潮智能科技有限公司 | Fan control method, system and related assembly |
| CN115405550B (en) * | 2022-09-06 | 2024-01-19 | 苏州浪潮智能科技有限公司 | Fan control method, device, equipment and medium |
| CN115405550A (en) * | 2022-09-06 | 2022-11-29 | 苏州浪潮智能科技有限公司 | Fan control method, device, equipment and medium |
| CN117590917A (en) * | 2024-01-17 | 2024-02-23 | 苏州元脑智能科技有限公司 | Temperature control assembly |
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Application publication date: 20180615 |