CN108506238A - The method of Ethernet switching chip integration fan controller - Google Patents
The method of Ethernet switching chip integration fan controller Download PDFInfo
- Publication number
- CN108506238A CN108506238A CN201810175027.2A CN201810175027A CN108506238A CN 108506238 A CN108506238 A CN 108506238A CN 201810175027 A CN201810175027 A CN 201810175027A CN 108506238 A CN108506238 A CN 108506238A
- Authority
- CN
- China
- Prior art keywords
- fan
- controller module
- rotation speed
- ethernet switching
- switching chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
Abstract
The invention discloses a kind of method of Ethernet switching chip integration fan controller, the method includes：Fan controller module is integrally disposed in Ethernet switching chip, and the fan controller module is connected by fan management interface with fan；Fan controller module controls the rotating speed of fan according to the control data that CPU is passed to.Using technical solution of the present invention, chip integration can be improved, reduce system cost, reduce veneer component number, increase the succinct degree and reliability of veneer.
Description
Technical field
The present invention relates to a kind of integrated chip method, more particularly to a kind of Ethernet switching chip integration fan controller
Method belongs to switch technology field.
Background technology
Ethernet switch will produce some heats when working, if these heats disperse not in time, core can be caused when serious
Piece damages, it is therefore desirable to be radiated using fan.In order to extend fan life and control noise, need to carry out rotation speed of the fan
Control, it is ensured that fan does not turn when low temperature, and rotating speed turns by a certain percentage when temperature is less high, turns at full speed when high temperature.Fig. 1 is existing skill
The structural schematic diagram of Ethernet switch system fan control method in art.Temperature sensor monitors temperature in chassis, centre
The numerical value that device (CPU) reads temperature sensor at regular intervals is managed, is then compared with setting value, passes through the wind in Fig. 1
Fan controller come control the closing of fan, with certain proportion rotation speed operation or full-speed operation.
In the prior art, generally all fan is carried out by independent fan governor chip using structure shown in FIG. 1
Control, integrated level is relatively low, and increases the use of chip, not only increases system cost, can also reduce the reliability of system.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of controls of Ethernet switching chip integration fan
Fan governor function is integrated into Ethernet switching chip by the method for device.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes：
Fan controller module is integrally disposed in Ethernet switching chip, and the fan controller module passes through fan
Management interface is connected with fan；
Fan controller module controls the rotating speed of fan according to the control data that CPU is passed to.
Preferably, the fan controller module includes：PWM controller module, rotation speed of the fan count device and rotation speed of the fan
Feedback and control unit；
The PWM controller module, for controlling rotation speed of the fan by exporting the pwm signal of different duty；
The rotation speed of the fan counts device, the real-time rotating speed for calculating fan；
Rotation speed of the fan feedback and control unit, control data for being passed to according to CPU and from fan tachometer
The real-time rotating speed for the fan that number device obtains periodically exports rotation speed of the fan adjust request to PWM controller module.
Preferably, the rotation speed of the fan counts the TACH signals that device is fed back according to fan and is counted.
Preferably, the control data bag includes the setting fan control strategy of CPU and temperature in chassis sensor detects
Real time temperature.
Compared with prior art, advantages of the present invention includes：Chip integration can be improved, reduce system cost, reduce single
Board component quantity increases veneer succinctly degree and reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of Ethernet switch control method for fan in the prior art；
Fig. 2 is the fan control side for the Ethernet switching chip integration fan controller that an exemplary embodiments of the invention propose
The structural schematic diagram of method；
Fig. 3 is the structural schematic diagram for the fan controller module that an exemplary embodiments of the invention propose.
Specific implementation mode
In view of deficiency in the prior art, inventor is able to propose the present invention's through studying for a long period of time and largely putting into practice
Technical solution.The technical solution, its implementation process and principle etc. will be further explained as follows.
The present invention proposes a kind of method of Ethernet switching chip integration fan controller, and technical solution makees following tool
Body illustrates：
Fan controller module is integrally disposed in Ethernet switching chip, and the fan controller module passes through fan
Management interface is connected with fan；
Fan controller module controls the rotating speed of fan according to the control data that CPU is passed to.
The fan controller module includes：PWM controller module, rotation speed of the fan count device and rotation speed of the fan feedback and control
Unit processed；
The PWM controller module, for controlling rotation speed of the fan by exporting the pwm signal of different duty；
The rotation speed of the fan counts device, the real-time rotating speed for calculating fan；
Rotation speed of the fan feedback and control unit, control data for being passed to according to CPU and from fan tachometer
The real-time rotating speed for the fan that number device obtains periodically exports rotation speed of the fan adjust request to PWM controller module.
Fig. 2 is the fan control side for the Ethernet switching chip integration fan controller that an exemplary embodiments of the invention propose
The structural schematic diagram of method, as shown in Figure 2：Central processing unit (CPU) is connected with Ethernet switching chip, temperature sensor, and wind
It is integrally disposed in Ethernet switching chip to fan controller module, passes through fan management interface and the fan phase of exchanger chip
Even.
Temperature sensor is used to detect the temperature in cabinet, is directly controlled by central processing unit (CPU), fan governor work(
Energy module is integrated in Ethernet switching chip, and additional chip need not be used to be used as the control of fan.Central processing unit
(CPU) fan is controlled by Ethernet switching chip.
Fig. 3 is a kind of structural schematic diagram for fan controller module that an exemplary embodiments of the invention propose, such as Fig. 3 institutes
Show：Fan governor function module includes：PWM controller, rotation speed of the fan count device and rotation speed of the fan feedback and control unit.
PWM controller is turned by exporting the pwm signal (PWM1, PWM2PWMn) of different duty to control fan
Speed；Rotation speed of the fan counts the TACH signals (TACH1, TACH2TACHn) that device is fed back according to fan and is counted,
Calculate the real-time rotating speed of fan；Rotation speed of the fan is fed back and control unit is according in the setting fan control strategy and cabinet of CPU
The real time temperature of temperature sensor detection periodically exports fan and turns after the real-time rotating speed that rotation speed of the fan counts that device obtains fan
Fast adjust request is to PWM controller.
Using technical solution of the present invention, fan governor function is integrated into Ethernet switching chip, chip is reduced
Use, improve chip integration, reduce system cost.Veneer component number is reduced, and is also increased veneer and is succinctly spent
And reliability.
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
According to equivalent change or modification made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of method of Ethernet switching chip integration fan controller, which is characterized in that the method includes：
Fan controller module is integrally disposed in Ethernet switching chip, and the fan controller module passes through fan management
Interface is connected with fan；
Fan controller module controls the rotating speed of fan according to the control data that CPU is passed to.
2. the method for Ethernet switching chip integration fan controller according to claim 1, which is characterized in that the wind
Fanning controller module includes：PWM controller module, rotation speed of the fan count device and rotation speed of the fan feedback and control unit；
The PWM controller module, for controlling rotation speed of the fan by exporting the pwm signal of different duty；
The rotation speed of the fan counts device, the real-time rotating speed for calculating fan；
The rotation speed of the fan feedback and control unit, for counting device according to control data incoming CPU and from rotation speed of the fan
The real-time rotating speed of the fan of acquisition periodically exports rotation speed of the fan adjust request to PWM controller module.
3. the method for Ethernet switching chip integration fan controller according to claim 2, it is characterised in that：The wind
The TACH signals that fan spin counter is fed back according to fan are counted.
4. according to the method for claims 1 to 3 any one of them Ethernet switching chip integration fan controller, feature exists
In：The real time temperature that the control data bag includes the setting fan control strategy of CPU and temperature in chassis sensor detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175027.2A CN108506238A (en) | 2018-03-02 | 2018-03-02 | The method of Ethernet switching chip integration fan controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175027.2A CN108506238A (en) | 2018-03-02 | 2018-03-02 | The method of Ethernet switching chip integration fan controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506238A true CN108506238A (en) | 2018-09-07 |
Family
ID=63376125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175027.2A Withdrawn CN108506238A (en) | 2018-03-02 | 2018-03-02 | The method of Ethernet switching chip integration fan controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506238A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882432A (en) * | 2019-02-28 | 2019-06-14 | 苏州浪潮智能科技有限公司 | A kind of fan wind speed control method, system, device and readable storage medium storing program for executing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006013471A (en) * | 2004-05-25 | 2006-01-12 | Taida Electronic Ind Co Ltd | Heat dissipator and its control method |
| US20100164421A1 (en) * | 2008-12-30 | 2010-07-01 | International Business Machines Corporation | Apparatus, system, and method for improved fan control in a power supply |
| KR20140044457A (en) * | 2012-10-05 | 2014-04-15 | 주식회사 여의시스템 | Temperatuer control device for industrial electronic device using smbus and control method thereof |
| CN105119848A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Safe and stable Ethernet switch |
| CN205446129U (en) * | 2015-12-18 | 2016-08-10 | 深圳市帅映科技有限公司 | Automatic adjust fan speed's circuit structure |
-
2018
- 2018-03-02 CN CN201810175027.2A patent/CN108506238A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006013471A (en) * | 2004-05-25 | 2006-01-12 | Taida Electronic Ind Co Ltd | Heat dissipator and its control method |
| US20100164421A1 (en) * | 2008-12-30 | 2010-07-01 | International Business Machines Corporation | Apparatus, system, and method for improved fan control in a power supply |
| KR20140044457A (en) * | 2012-10-05 | 2014-04-15 | 주식회사 여의시스템 | Temperatuer control device for industrial electronic device using smbus and control method thereof |
| CN105119848A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Safe and stable Ethernet switch |
| CN205446129U (en) * | 2015-12-18 | 2016-08-10 | 深圳市帅映科技有限公司 | Automatic adjust fan speed's circuit structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882432A (en) * | 2019-02-28 | 2019-06-14 | 苏州浪潮智能科技有限公司 | A kind of fan wind speed control method, system, device and readable storage medium storing program for executing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |
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| WW01 | Invention patent application withdrawn after publication |