CN107575414A - A kind of fan control protection circuit and guard method - Google Patents
A kind of fan control protection circuit and guard method Download PDFInfo
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- CN107575414A CN107575414A CN201711023397.6A CN201711023397A CN107575414A CN 107575414 A CN107575414 A CN 107575414A CN 201711023397 A CN201711023397 A CN 201711023397A CN 107575414 A CN107575414 A CN 107575414A
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- monitoring device
- protection
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Abstract
A kind of fan control protection circuit, including regulation and control and monitoring device, protection control device and BMC devices；Described regulation and control and monitoring device are used to the rotating speed of fan is regulated and controled and monitored；Described protection control device is used to after regulation and control and monitoring device failure fan is carried out continuing to regulate and control；Described BMC devices output I2C signals to regulation and control and monitoring device and protection control device, regulation and control and monitoring device is connected with protection control device by I2C signal wires.Solve machine phenomenon of being delayed caused by server overheat caused by regulation and control and monitoring device damage, reduce client and negatively affected caused by the machine of delaying.
Description
Technical field
The present invention relates to server fan protection technique field, specifically a kind of fan control protection circuit and protection
Method.
Background technology
With the continuous upgrading of server product, the demand of high density server is increasing, and this requires designer
When researching and developing product, the cooling requirements of server are taken with regard to more and more higher, the radiating of guarantee server pith as us
The major tasks for device design of being engaged in, in the case that fan control is failed, due to device element failure, easily caused server is delayed
Machine.
The content of the invention
It is an object of the invention to provide a kind of fan control protection circuit and guard method, exist for solving fan control
When failure, easily cause server delay machine the problem of.
The technical scheme adopted by the invention to solve the technical problem is that：
A kind of fan control protection circuit, including regulation and control and monitoring device, protection control device and BMC devices；Described
Regulation and control and monitoring device are used to the rotating speed of fan is regulated and controled and monitored；Described protection control device is used to regulate and control and supervise
Fan is carried out continuing to regulate and control after surveying failure of apparatus；Described BMC devices output I2C signals extremely regulate and control and monitoring device and protection
Control device, regulation and control and monitoring device are connected with protection control device by I2C signal wires.
Further, described regulation and control and monitoring device include W83795ADG chips, 4 of W83795ADG chips
FANIN pins connect 4 groups of fan connectors respectively；The FANCTL pins of W83795ADG chips are connected with 4 groups of fan connectors,
For monitoring the rotating speed of fan.
Further, described protection control device includes PCA9554 chips；PCA9554 chips and W83795ADG chips
FANCTL pins be connected.
Further, in addition to warning device, the input of the warning device are connected with the output end of BMC devices；Report
Alarm device includes audible alarm unit or light alarming device；Described audible alarm unit includes buzzer, described light
Warning device includes warning light.
A kind of guard method of fan control protection circuit, using described method, specifically includes following steps：
Regulation and control and monitoring device control and monitor the rotating speed of fan in real time；
BMC devices judge regulation and control and monitoring device whether normal work；If it is, continue to judge, if it is not, then holding
Row operates in next step；
The control protection control device work of BMC devices；
Protection control device controls and monitors the rotating speed of fan.
Further, when BMC devices judge that regulation and control and monitoring device do not have normal work, in addition to the control of BMC devices
Warning device is alarmed.
What the above content of the invention provided is only the statement of the embodiment of the present invention, rather than invention is in itself.
The effect provided in the content of the invention is only the effect of embodiment, rather than whole effects that invention is all, above-mentioned
A technical scheme in technical scheme has the following advantages that or beneficial effect：
Realized using PCA9554 chips to the emergency flight control of fan, when W83795ADG failures lead to not to control fan and
When reading rotation speed of the fan, by I2C signals to PCA9554 chip controls, fan is set to carry out full-speed operation, so as to prevent due to wind
Fan failure cause server overheat caused by delay the generation of machine phenomenon.
Solve and delayed machine phenomenon caused by server overheat caused by regulation and control and monitoring device damage, reduce client by
In negative effect caused by the machine of delaying.
Brief description of the drawings
Accompanying drawing described herein is used for providing that the present invention is explained further, and forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the module connection diagram of the embodiment of the present invention；
Fig. 2 is the circuit structure connection diagram of the embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of the embodiment of the present invention.
Embodiment
In order to the technical characterstic of clear explanation this programme, below by embodiment, and its accompanying drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relation between various embodiments are discussed and/or set.It should be noted that part illustrated in the accompanying drawings is not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As shown in figure 1, a kind of fan control protection circuit, including regulation and control and monitoring device, protection control device and BMC dresses
Put；Regulation and control and monitoring device are used to the rotating speed of fan is regulated and controled and monitored；Control device is protected to be used to regulate and control and monitor
Fan is carried out continuing to regulate and control after failure of apparatus；BMC devices output I2C signals are to regulation and control and monitoring device and protect control dress
Put, regulation and control and monitoring device are connected with protection control device by I2C signal wires.
Also include warning device, the input of warning device is connected with the output end of BMC devices；Warning device includes sound
Warning device or light alarming device；Audible alarm unit includes buzzer, and light alarming device includes warning light.
As shown in Fig. 2 regulation and control and monitoring device include W83795ADG chips, 4 FANIN pins of W83795ADG chips
4 groups of fan connectors are connected respectively；The FANCTL pins of W83795ADG chips are connected with 4 groups of fan connectors, for monitoring wind
The rotating speed of fan.Protection control device includes PCA9554 chips；The FANCTL pin phases of PCA9554 chips and W83795ADG chips
Even.
As shown in figure 3, a kind of guard method of fan control protection circuit, specifically includes following steps：
Step 1) regulates and controls and monitoring device controls and monitors the rotating speed of fan in real time；
Step 2) BMC devices judge regulation and control and monitoring device whether normal work；If it is, continue to judge, if not
It is then to perform and operate in next step；
The control protection control device work of step 3) BMC devices；
Step 4) protection control device controls and monitors the rotating speed of fan.
When BMC devices judge that regulation and control and monitoring device do not have normal work, in addition to BMC devices control warning device enters
Row alarm.
Simply the preferred embodiment of the present invention described above, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection domain.
Claims (6)
1. a kind of fan control protection circuit, it is characterized in that, including regulation and control and monitoring device, protection control device and BMC devices；
Described regulation and control and monitoring device are used to the rotating speed of fan is regulated and controled and monitored；Described protection control device is used to adjust
Fan is carried out continuing to regulate and control after control and monitoring device failure；Described BMC devices output I2C signals extremely regulate and control and monitoring device
With protection control device, regulation and control and monitoring device are connected with protection control device by I2C signal wires.
2. circuit according to claim 1, it is characterized in that, described regulation and control and monitoring device include W83795ADG chips,
4 FANIN pins of W83795ADG chips connect 4 groups of fan connectors respectively；The FANCTL pins of W83795ADG chips and 4
Group fan connector is connected, for monitoring the rotating speed of fan.
3. circuit according to claim 2, it is characterized in that, described protection control device includes PCA9554 chips；
PCA9554 chips are connected with the FANCTL pins of W83795ADG chips.
4. circuit according to claim 1, it is characterized in that, in addition to warning device, the input of the warning device with
The output end of BMC devices is connected；Warning device includes audible alarm unit or light alarming device；Described audible alarm unit
Including buzzer, described light alarming device includes warning light.
5. a kind of guard method of fan control protection circuit, using the method described in any one of Claims 1-4 4, it is special
Sign is to specifically include following steps：
Regulation and control and monitoring device control and monitor the rotating speed of fan in real time；
BMC devices judge regulation and control and monitoring device whether normal work；If it is, continue to judge, if it is not, then under performing
Single stepping；
The control protection control device work of BMC devices；
Protection control device controls and monitors the rotating speed of fan.
6. according to the method for claim 5, it is characterized in that, judge that regulation and control and monitoring device do not have normal work in BMC devices
When making, in addition to BMC devices control warning device is alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023397.6A CN107575414A (en) | 2017-10-27 | 2017-10-27 | A kind of fan control protection circuit and guard method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023397.6A CN107575414A (en) | 2017-10-27 | 2017-10-27 | A kind of fan control protection circuit and guard method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575414A true CN107575414A (en) | 2018-01-12 |
Family
ID=61041032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711023397.6A Pending CN107575414A (en) | 2017-10-27 | 2017-10-27 | A kind of fan control protection circuit and guard method |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683961B (en) * | 2018-12-05 | 2020-02-01 | 英業達股份有限公司 | Fan control circuit and fan control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6368064B1 (en) * | 2000-12-01 | 2002-04-09 | 3Com Corporation | Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| CN201622517U (en) * | 2010-04-30 | 2010-11-03 | 大唐移动通信设备有限公司 | Machine frame fan cooling system |
| TW201112610A (en) * | 2009-09-18 | 2011-04-01 | Sunonwealth Electr Mach Ind Co | Control system for fan |
| CN102478006A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Fan speed control system and method for reading rotating speed of fan thereof |
| CN104121212A (en) * | 2013-04-24 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and control device and method of cooling fan of electronic device |
| CN104564764A (en) * | 2013-10-12 | 2015-04-29 | 英业达科技有限公司 | Server system |
-
2017
- 2017-10-27 CN CN201711023397.6A patent/CN107575414A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6368064B1 (en) * | 2000-12-01 | 2002-04-09 | 3Com Corporation | Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| TW201112610A (en) * | 2009-09-18 | 2011-04-01 | Sunonwealth Electr Mach Ind Co | Control system for fan |
| CN201622517U (en) * | 2010-04-30 | 2010-11-03 | 大唐移动通信设备有限公司 | Machine frame fan cooling system |
| CN102478006A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Fan speed control system and method for reading rotating speed of fan thereof |
| CN104121212A (en) * | 2013-04-24 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and control device and method of cooling fan of electronic device |
| CN104564764A (en) * | 2013-10-12 | 2015-04-29 | 英业达科技有限公司 | Server system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683961B (en) * | 2018-12-05 | 2020-02-01 | 英業達股份有限公司 | Fan control circuit and fan control system |
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Application publication date: 20180112 |