CN208607606U - A kind of server fan radiating system - Google Patents
A kind of server fan radiating system Download PDFInfo
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- CN208607606U CN208607606U CN201821379635.7U CN201821379635U CN208607606U CN 208607606 U CN208607606 U CN 208607606U CN 201821379635 U CN201821379635 U CN 201821379635U CN 208607606 U CN208607606 U CN 208607606U
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- 239000000178 monomer Substances 0.000 claims abstract description 44
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 2
- 230000001052 transient effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Abstract
The utility model relates to server technology fields, provide a kind of server fan radiating system, including BMC, CPLD and fan mould group, are connected between BMC and CPLD by revolving speed control bus；Fan mould group includes 2n monomer fan, and 2n monomer fan is divided into m blower module, each blower module includes at least one monomer fan；CPLD is connected by m speed controling signal line with corresponding blower module；Monomer fan FAN_0 to monomer fan FAN_2n passes through corresponding speed feedback signal 0 respectively and connect to speed feedback signal 2n with BMC, the starting of fan is controlled by CPLD to realize, the strategy reduction started by timesharing is fan while starting leads to excessive transient current, avoid triggering board OCP, machine resonance and noise caused by fan starts simultaneously are also reduced simultaneously, extend fan service life.
Description
Technical field
The utility model belongs to server technology field more particularly to a kind of server fan radiating system.
Background technique
In the design of server, needs to radiate using fan, avoid server internal respective chip, component etc.
It fails because temperature is excessively high, or even damage.Baseboard management controller (Baseboard Management Controller,
BMC the temperature data of current server system) is obtained by placing the temperature sensor of each monitoring point in the server, in turn
The revolving speed for determining fan is measured according to fan speed-regulating.Currently, the fan control system of server is generally controlled by BMC by revolving speed
Signal and speed feedback signal control.Wherein speed controling signal is pwm signal, i.e., is controlled by the duty ratio of adjustment signal
Revolving speed processed；Speed feedback signal is that PFM signal is fed back to the actual speed of fan by sending the square wave of different frequency
BMC。
But BMC is directly connected to the fan control signal and speed feedback signal of fan, passes through the fan control inside BMC
The scheme that device directly controls rotation speed of the fan has following defects that server in power up, and all fans open simultaneously
It is dynamic, cause the transient current of booting fan excessive, there is the risk of trigger board card line road OCP (overcurrent protection), meanwhile, all fans
Starting leads to fan sharp pounding and big noise simultaneously, reduces the stability of server system and the service life of fan.
Utility model content
The purpose of this utility model is to provide a kind of server fan radiating systems, it is intended to which solution takes in the prior art
Device be engaged in power up, all fans start simultaneously, cause the transient current of booting fan excessive, there is trigger board card line road
The risk of OCP (overcurrent protection), meanwhile, all fans start simultaneously leads to fan sharp pounding and big noise, reduces clothes
Be engaged in device system stability and fan service life the problem of.
The utility model is realized in this way a kind of server fan radiating system, including baseboard management controller
BMC, complex programmable logic device (CPLD) and fan mould group pass through revolving speed control bus between the BMC and the CPLD
Connection；
The fan mould group, which includes monomer fan FAN_0, is divided into m to FAN_2n, 2n monomer fans of monomer fan
The blower module that timesharing starts under the control of the CPLD, each blower module include at least one monomer fan；
The CPLD by speed controling signal line 0 to the total m speed controling signal line of speed controling signal line m-1 with it is right
The blower module connection answered；
It is anti-to revolving speed that the monomer fan FAN_0 to monomer fan FAN_2n passes through corresponding speed feedback signal 0 respectively
Feedback signal 2n is connect with the BMC.
As an improvement scheme, between the BMC and the CPLD also by a house dog signal wire connect.
As an improvement scheme, the server fan radiating system further includes fan power supply, the wind
Fan power supply is connect by P12V_PWRGD signal wire with the CPLD；
The fan power supply by P12V_FAN0 power supply line to P12V_FAN2n power supply line respectively with the monomer wind
Fan FAN_0 to monomer fan FAN_2n is correspondingly connected with.
As an improvement scheme, the fan power supply to the monomer fan power supply output line road be equipped with
Fan power consumption monitoring device, the fan power consumption monitoring device are connect by I2C bus with the BMC.
As an improvement scheme, the server fan radiating system further include be arranged in server each prison
Several temperature sensors of point are controlled, several described temperature sensors pass through I2C bus and connect with the BMC.
In embodiments of the present invention, server fan radiating system includes baseboard management controller BMC, complex programmable
Logic device (CPLD) and fan mould group, are connected between BMC and CPLD by revolving speed control bus；Fan mould group includes monomer wind
FAN_0 to monomer fan FAN_2n is fanned, 2n monomer fan is divided into the m blower modules that timesharing starts under the control of CPLD,
Each blower module includes at least one monomer fan；CPLD passes through speed controling signal line 0 to speed controling signal line m-1
Total m speed controling signal line is connected with corresponding blower module；Monomer fan FAN_0 to monomer fan FAN_2n passes through respectively
Corresponding speed feedback signal 0 is connect to speed feedback signal 2n with the BMC, passes through starting of the CPLD to fan to realize
Control, the strategy reduction started by timesharing is fan while starting leads to excessive transient current, avoids triggering board OCP,
Machine resonance and noise caused by fan starts simultaneously are also reduced simultaneously, extend fan service life.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of server fan radiating system provided by the utility model.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described.But the purposes of these exemplary embodiments
Only it is used to enumerate the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the protection scope of the utility model is confined to this.
Fig. 1 shows the structural schematic diagram of server fan radiating system provided by the utility model, for the ease of saying
It is bright, part relevant to the utility model is only gived in figure.
Server fan radiating system include baseboard management controller BMC, complex programmable logic device (CPLD) and
Fan mould group, is connected between the BMC and the CPLD by revolving speed control bus；
The fan mould group, which includes monomer fan FAN_0, is divided into m to FAN_2n, 2n monomer fans of monomer fan
The blower module that timesharing starts under the control of the CPLD, each blower module include at least one monomer fan；
The CPLD by speed controling signal line 0 to the total m speed controling signal line of speed controling signal line m-1 with it is right
The blower module connection answered；
It is anti-to revolving speed that the monomer fan FAN_0 to monomer fan FAN_2n passes through corresponding speed feedback signal 0 respectively
Feedback signal 2n is connect with the BMC.
Wherein, it is also connected by a house dog signal wire between the BMC and the CPLD, watchdog signal line transmission
The signal that whether breaks down of BMC.
In this embodiment, promoter of the CPLD as fan control strategy mainly has two aspect logic control contents,
On the one hand it is to send to obtain speed controling signal progress logical process to BMC, forms timesharing and start control instruction, pass through phase
The speed controling signal line answered is sent to corresponding blower module, to control corresponding blower module starting, reaches timesharing starting
Purpose；On the other hand it is the malfunction for judging BMC by watchdog signal, when BMC breaks down, forces control fan
Module timesharing rotates at full speed, improves the reliability of heat dissipation.
In the present invention, server fan radiating system further includes fan power supply, the fan power supply electricity
Source is connect by P12V_PWRGD signal wire with the CPLD；
The fan power supply by P12V_FAN0 power supply line to P12V_FAN2n power supply line respectively with the monomer wind
Fan FAN_0 to monomer fan FAN_2n is correspondingly connected with.
In this embodiment, the power supply output line road of fan power supply to the monomer fan is equipped with fan power consumption prison
Device is controlled, the fan power consumption monitoring device is connect by I2C bus with the BMC；
The fan power consumption monitoring device is used to obtain the power consumption information of each fan by the BMC, to judge each fan
The working condition of module then controls the power supply for cutting off corresponding blower module when detecting the presence of the blower module of failure,
Prevent failure blower module from influencing the working condition of other blower modules.
In the present invention, if server fan radiating system further includes that each monitoring point in server is arranged in
Dry temperature sensor, several described temperature sensors pass through I2C bus and connect with the BMC；
When certain monitoring point that BMC is detected by corresponding temperature sensor when the temperature is excessively high, then BMC passes through CPLD and controls
Corresponding blower module raising revolving speed is made to radiate.
In embodiments of the present invention, server fan radiating system includes baseboard management controller BMC, complex programmable
Logic device (CPLD) and fan mould group, are connected between BMC and CPLD by revolving speed control bus；Fan mould group includes several
Monomer fan FAN_0 to monomer fan FAN_2n, 2n monomer fan are divided into the m fans that timesharing starts under the control of CPLD
Module, each blower module include at least one monomer fan；CPLD passes through speed controling signal line 0 to speed controling signal
The total m speed controling signal line of line m-1 is connected with corresponding blower module；Monomer fan FAN_0 to monomer fan FAN_2n points
Not Tong Guo corresponding speed feedback signal 0 connect to speed feedback signal 2n with the BMC, thus realize by CPLD to fan
Starting control, by timesharing start strategy reduce be fan simultaneously start lead to excessive transient current, avoid trigger board
Block OCP, while also reducing machine resonance and noise caused by fan starts simultaneously, extends fan service life.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. a kind of server fan radiating system, which is characterized in that patrolled including baseboard management controller BMC, complex programmable
Device CPLD and fan mould group are collected, is connected between the BMC and the CPLD by revolving speed control bus；
The fan mould group, which includes monomer fan FAN_0, is divided into m in institute to FAN_2n, 2n monomer fans of monomer fan
The blower module that timesharing starts under the control of CPLD is stated, each blower module includes at least one monomer fan；
The CPLD by speed controling signal line 0 to the total m speed controling signal line of speed controling signal line m-1 with it is corresponding
Blower module connection；
The monomer fan FAN_0 to monomer fan FAN_2n is believed by corresponding speed feedback signal 0 to speed feedback respectively
Number 2n is connect with the BMC.
2. server fan radiating system according to claim 1, which is characterized in that the BMC and CPLD it
Between also by a house dog signal wire connect.
3. server fan radiating system according to claim 2, which is characterized in that the server fan cooling
System further includes fan power supply, and the fan power supply is connect by P12V_PWRGD signal wire with the CPLD；
The fan power supply by P12V_FAN0 power supply line to P12V_FAN2n power supply line respectively with the monomer fan
FAN_0 to monomer fan FAN_2n is correspondingly connected with.
4. server fan radiating system according to claim 3, which is characterized in that the fan power supply to institute
The power supply output line road for stating monomer fan is equipped with fan power consumption monitoring device, the fan power consumption monitoring device by I2C bus with
The BMC connection.
5. server fan radiating system according to claim 4, which is characterized in that the server fan cooling
System further includes several temperature sensors that each monitoring point in server is arranged in, several described temperature sensors are logical
I2C bus is crossed to connect with the BMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821379635.7U CN208607606U (en) | 2018-08-24 | 2018-08-24 | A kind of server fan radiating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821379635.7U CN208607606U (en) | 2018-08-24 | 2018-08-24 | A kind of server fan radiating system |
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| Publication Number | Publication Date |
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| CN208607606U true CN208607606U (en) | 2019-03-15 |
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| CN201821379635.7U Active CN208607606U (en) | 2018-08-24 | 2018-08-24 | A kind of server fan radiating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630552A (en) * | 2019-09-21 | 2019-12-31 | 苏州浪潮智能科技有限公司 | System, method and device for detecting fan link fault |
| CN111749919A (en) * | 2020-05-29 | 2020-10-09 | 奇鋐科技股份有限公司 | Fan control system |
| CN112328054A (en) * | 2020-11-02 | 2021-02-05 | 联想(北京)有限公司 | Control device and control method |
| WO2021077902A1 (en) * | 2019-10-23 | 2021-04-29 | 中兴通讯股份有限公司 | Fan speed regulation system and method |
| 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 |
-
2018
- 2018-08-24 CN CN201821379635.7U patent/CN208607606U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630552A (en) * | 2019-09-21 | 2019-12-31 | 苏州浪潮智能科技有限公司 | System, method and device for detecting fan link fault |
| WO2021077902A1 (en) * | 2019-10-23 | 2021-04-29 | 中兴通讯股份有限公司 | Fan speed regulation system and method |
| CN111749919A (en) * | 2020-05-29 | 2020-10-09 | 奇鋐科技股份有限公司 | Fan control system |
| CN111749919B (en) * | 2020-05-29 | 2022-06-07 | 奇鋐科技股份有限公司 | Fan control system |
| CN112328054A (en) * | 2020-11-02 | 2021-02-05 | 联想(北京)有限公司 | Control device and control method |
| 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 |
| 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 |
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