CN201568349U - Fan control system and fan controller - Google Patents

Fan control system and fan controller Download PDF

Info

Publication number
CN201568349U
CN201568349U CN2009201708430U CN200920170843U CN201568349U CN 201568349 U CN201568349 U CN 201568349U CN 2009201708430 U CN2009201708430 U CN 2009201708430U CN 200920170843 U CN200920170843 U CN 200920170843U CN 201568349 U CN201568349 U CN 201568349U
Authority
CN
China
Prior art keywords
fan
governor
controller
main
control
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.)
Expired - Lifetime
Application number
CN2009201708430U
Other languages
Chinese (zh)
Inventor
赖守锋
安辉
刘介良
盛启龙
吕珊
张俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New H3C Technologies Co Ltd
Original Assignee
Hangzhou H3C Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou H3C Technologies Co Ltd filed Critical Hangzhou H3C Technologies Co Ltd
Priority to CN2009201708430U priority Critical patent/CN201568349U/en
Application granted granted Critical
Publication of CN201568349U publication Critical patent/CN201568349U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The utility model discloses a fan control system, which comprises a plurality of fan controllers and a plurality of fans, wherein each fan controller is connected with all fans, and the plurality of fan controllers comprise a main fan controller and other spare fan controllers; when the main fan controller works normally, a control order is sent to the fan, and at the same time a heartbeat message is transmitted to the spare fan controllers; when the spare fan controllers receive the heartbeat message which is transmitted by the main fan controller, the main fan controller is judged to work normally; when the heartbeat message transmitted by the main fan controller is not received within a pre-determined time, the spare fan controllers judge that the main fan controller loses effectiveness and substitute the main fan controller to transmit control order to the fans; and the fans rotate according to the received control order. The fan control system realizes high heat radiation reliability with a low-cost fan heat radiation system.

Description

A kind of fan control system and fan governor
Technical field
The utility model relates to communication technical field, relates in particular to a kind of fan control system and fan governor.
Background technique
At present, in fan radiating system, fan governor is widely used in regulating the rotating speed of fan, to control rotation speed of the fan according to actual needs or to reach purpose of energy saving.In addition,, need the continual work of radiation system, therefore require radiation system that very high reliability is arranged for some very important equipment.
In the prior art,, adopt fan of a fan governor control more,, many group fan governors and fan are installed in radiation system, guarantee the high reliability of radiation system as Fig. 1 a for the radiation system of high reliability.
But the cost of this radiation system is very high, and a fan governor only controls a fan, and the utilization ratio of fan governor is not high.
The mode of another kind of radiation system also is provided in the prior art,, adopts a fan governor to control a plurality of fans,, saved the quantity of fan governor, therefore saved cost for this mode as Fig. 1 b.
But, under this mode, in case the fan governor inefficacy, all fan fails that are connected with this fan governor, the reliability of system is low.
The model utility content
The utility model provides a kind of fan control system and fan governor, to realize the high reliability of fan radiating system cheaply.
The utility model provides a kind of fan control system, comprises a plurality of fan governors and a plurality of fan, and each fan governor is connected with all fans, and described a plurality of fan governors comprise that a main fan controller and other are equipped with fan governor;
During described main fan controller proper functioning, send control command, send heartbeat message to the described fan governor that is equipped with simultaneously to fan;
The described fan governor that is equipped with when being used to receive the heartbeat message of described main fan controller transmission, judges that described main fan controller is working properly; When not receiving the heartbeat message of described main fan controller transmission in the Preset Time, judge that described main fan controller lost efficacy, and replace described main fan controller to send control command to fan;
Described fan is used for rotating according to the control command that receives.
Described main fan controller be equipped with fan governor and be connected same bus or described main fan controller respectively and be equipped with that fan governor directly is connected or described main fan controller is connected in turn with fan governor fully.
The described fan governor that is equipped with also is used to choose new main fan controller sends rotation from control command control fan to fan;
Described new main fan controller is used for being equipped with fan governor to other simultaneously and sends heartbeat message.
Describedly choose new main fan controller and specifically be:
The described fan governor that is equipped with also is used for electing new main fan controller according to the main fan controller switchover policy of configuration fan governor sign ID and described fan governor sign ID correspondence.
Described fan governor fully also is used to choose the next one that is connected with described main fan controller and is equipped with fan governor as new main fan controller.
Described new main fan controller is equipped with fan governor to other simultaneously and sends heartbeat message.
A kind of fan governor is applied to fan control system, is connected with all fans in the described fan control system, comprises that fan rotates control module, temperature detecting module and communication module; Wherein,
Described temperature detecting module connects the focus in the fan control system, is used to detect the temperature of focus;
Described fan rotates control module, is connected with described temperature detecting module, is used for sending control command according to the detected temperature of described temperature detecting module to fan;
Described communication module is connected with other fan governors, is used for sending heartbeat message when described fan governor during as the main fan controller to other fan governors; When described fan governor when being equipped with fan governor, receive the heartbeat message that the main fan controller sends, and when in Preset Time, not receiving the heartbeat message that the main fan controller sends, send control command to fan.
Also comprise:
Handover module, be used for storing the fan governor sign ID of described fan control system and the main fan controller switchover policy of described fan governor sign ID correspondence, when described fan governor conduct is equipped with fan governor, switch to new main fan controller according to described switchover policy.
When described fan governor during as the main fan controller, described main fan controller be equipped with fan governor and be connected same bus or described main fan controller respectively and be equipped with that fan governor directly is connected or described main fan controller is connected in turn with fan governor fully;
When described fan governor when being equipped with fan governor, describedly be equipped with that fan governor is connected same bus respectively with the main fan controller or directly be connected with the main fan controller or be connected to the main fan controller in turn with other fan governors.
Compared with prior art, the utlity model has following advantage:
In the utility model, a plurality of fan governors in the fan control system are divided into the main fan controller and are equipped with fan governor, under the normal condition, control all fans by the main fan controller and rotate; When the main fan controller failure, be equipped with fan governor and replace main fan controller control fan to rotate, thereby use less fan governor to control the stable operation of many desk fans, cost is low, the reliability height.
Description of drawings
Fig. 1 a and Fig. 1 b are the structural representations of radiation system in the prior art;
Fig. 2 a and Fig. 2 b are the structural representations of radiation system in the utility model;
Fig. 3 is that the fan governor of radiation system in the utility model is arranged schematic representation;
Fig. 4 is the structural representation of fan governor in the utility model.
Embodiment
Core thinking of the present utility model is: a plurality of fan governors of configuration and a plurality of fan in fan control system, each fan governor is connected with all fans, and main fan controller of configuration is equipped with fan governor with other in a plurality of fan governors; Under the normal condition, the main fan controller is controlled all fans and is rotated, and when fan governor is received the heartbeat message of main fan controller transmission fully, judges that the main fan controller is working properly; When stopping to receive the heartbeat message of main fan controller transmission, be equipped with fan governor and judge that the main fan controller lost efficacy, and replace the main fan controller to send control command to fan, control the rotation of all fans.
The utility model provides a kind of fan control system, comprises a plurality of fan governors and a plurality of fan, and each fan governor is connected with all fans, and described a plurality of fan governors comprise that a main fan controller and other are equipped with fan governor; During described main fan controller proper functioning, send control command, send heartbeat message to the described fan governor that is equipped with simultaneously to fan; When described fan governor is fully received the heartbeat message of described main fan controller transmission, judge that described main fan controller is working properly; When not receiving the heartbeat message of described main fan controller transmission in the Preset Time, the described fan governor that is equipped with judges that described main fan controller lost efficacy, and replaces described main fan controller to send control command to fan; Described fan rotates according to the control command that receives.
Introduce the fan control system that the utility model provides in detail below in conjunction with concrete application scenarios.
Concrete, shown in Fig. 2 a and Fig. 2 b, be that example is to being introduced with the fan control system that scene provides with three fan governors.In the fan control system shown in Fig. 2 a, the main fan controller be equipped with fan governor and be connected on the bus; In the fan control system shown in Fig. 2 b, the main fan controller is equipped with fan governor with all and directly is connected.Each fan governor is connected with all fans, and this Placement can be the bus connecting mode shown in Fig. 2 a and Fig. 2 b, and promptly all fans are connected on the bus, are connected with each fan governor by bus; Perhaps each fan directly is connected with all fan governors; Perhaps be set to other Placements according to actual needs.
Pass through various ports between the fan governor, GPIO (General Purpose Input Output for example, general I/O) port carries out communication, also can be set to the other types port according to actual needs, SPI (Serial Peripheral Interface for example, Serial Peripheral Interface), I2C (Inter-IntegratedCircuit, twin wire universal serial bus) interface etc.
The main fan controller sends heartbeat message to being equipped with fan governor, and this heartbeat message is specially fan PWM (Pulse Width Modulation, pulse duration modulation) control wave.
Under the normal condition, the main fan controller sends heartbeat message to being equipped with fan governor 1 and 2, and to all fans transmission control command control fans rotations, concrete, this heartbeat message can be identical with control command, for example be all fan PWM control wave, also can be provided with flexibly according to actual needs.Being all fan PWM control wave with heartbeat message and control command below is that example describes.
Be equipped with fan governor 1 and 2 according to the fan PWM control wave that receives, know main fan controller proper functioning; Find not receive fan PWM control wave if be equipped with fan governor 1 and 2, illustrate that then the main fan controller has stopped sending fan PWM control wave, promptly the main fan controller lost efficacy, and the main fan controller stops the control to fan.At this moment, be equipped with fan governor 1 and 2 according to pre-configured switchover policy, to be equipped with fan governor 1 or be equipped with fan governor 2 and switch to the main fan controller, be equipped with fan governor and all fans send fan PWM control wave, control the proper functioning of all fans to another.
Wherein, be equipped with the switchover policy that disposes in the fan governor and can be in fan governor configuration fan governor ID (Identification, sign), initial main fan controller ID and be equipped with the order that fan governor switches to master controller.Should be with in the scene, be equipped with the order that fan governor switches to the main fan controller and be: when initial main fan controller lost efficacy, switch and be equipped with fan governor 1, then when being equipped with fan governor 1 and losing efficacy, switch and be equipped with fan governor 2.Therefore, should be with in the scene, after the main fan controller lost efficacy, be equipped with fan governor 1 and switch to new main fan controller according to pre-configured; Be equipped with fan governor 2 and know that according to the controller ID that carries in the fan PWM control wave that receives current master controller is initial main fan controller when initial, after the main fan controller lost efficacy, be equipped with fan governor 2 and receive the fan PWM control wave that is equipped with fan governor 1 transmission.
In conjunction with shown in Figure 3, a plurality of fan governors can also adopt ways of connecting in turn in the fan control system, are that example is introduced with 3 fan governors among Fig. 3.Wherein, pre-configured fan governor ID in each fan governor, initial main fan controller ID and be equipped with the order that fan governor switches to master controller, and be equipped with fan governor and be equipped with the heartbeat message that fan governor is transmitted the main fan controller transmission that receives, be specially fan PWM control wave to next.Find not receive fan PWM control wave if be equipped with fan governor 1 and 2, then according to pre-configured switchover policy, to be equipped with fan governor 1 or be equipped with fan governor 2 and switch to the main fan controller, be equipped with fan governor and all fans transmission fan PWM control wave to another, control the proper functioning of all fans.
The invention provides a kind of fan governor, be applied to fan control system, be connected, as shown in Figure 4, comprise that temperature detecting module 10, fan rotate control module 20 and communication module 30 with all fans in the described fan control system; Wherein,
Described temperature detecting module 10 connects the focus in the fan control system, detects the temperature of focus.Wherein the focus in the system can be for single or a plurality of.
Described fan rotates control module 20, is connected with described temperature detecting module 10, sends control command according to described temperature detecting module 10 detected temperature to fan; Concrete, temperature detecting module 10 can detect the temperature of different focuses, and is corresponding, and fan rotates control module 20 can be according to the temperature adjustment of different focuses and the rotating speed of the corresponding fan of different focuses.
Described communication module 30 is connected with other fan governors, when described fan governor during as the main fan controller, sends heartbeat message to other fan governors; When described fan governor when being equipped with fan governor, receive the heartbeat message that the main fan controller sends, and when in Preset Time, not receiving the heartbeat message that the main fan controller sends, send control command to fan.This heartbeat message can be identical with control command, for example is all fan PWM control wave, also can be provided with flexibly according to actual needs.
Optionally, fan governor provided by the invention also comprises:
Handover module 40, be used for storing the fan governor sign ID of described fan control system and the main fan controller switchover policy of described fan governor sign ID correspondence, when described fan governor conduct is equipped with fan governor, switch to new main fan controller according to described switchover policy.Concrete, when this fan governor when being equipped with fan governor and communication module 30 and in Preset Time, not receiving the heartbeat message of main fan controller, handover module 40 switches to new main fan controller according to switchover policy with this fan governor.
When described fan governor during as the main fan controller, described main fan controller be equipped with fan governor and be connected same bus or described main fan controller respectively and be equipped with that fan governor directly is connected or described main fan controller is connected in turn with fan governor fully;
When described fan governor when being equipped with fan governor, describedly be equipped with that fan governor is connected same bus respectively with the main fan controller or directly be connected with the main fan controller or be connected to the main fan controller in turn with other fan governors.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.

Claims (8)

1. a fan control system comprises a plurality of fan governors and a plurality of fan, it is characterized in that, each fan governor is connected with all fans, and described a plurality of fan governors comprise that a main fan controller and other are equipped with fan governor;
Described main fan controller sends control command to fan when being used for proper functioning, sends heartbeat message to the described fan governor that is equipped with simultaneously;
The described fan governor that is equipped with when being used to receive the heartbeat message of described main fan controller transmission, judges that described main fan controller is working properly; When not receiving the heartbeat message of described main fan controller transmission in the Preset Time, judge that described main fan controller lost efficacy, and replace described main fan controller to send control command to fan;
Described fan is used for rotating according to the control command that receives.
2. the system as claimed in claim 1, it is characterized in that, described main fan controller be equipped with fan governor and be connected same bus or described main fan controller respectively and be equipped with that fan governor directly is connected or described main fan controller is connected in turn with fan governor fully.
3. system as claimed in claim 2 is characterized in that,
The described fan governor that is equipped with also is used to choose new main fan controller sends rotation from control command control fan to fan;
Described new main fan controller is used for being equipped with fan governor to other simultaneously and sends heartbeat message.
4. system as claimed in claim 3 is characterized in that, the described fan governor that is equipped with also is used for:
The new main fan controller of main fan controller switchover policy election according to fan governor sign ID and described fan governor sign ID correspondence.
5. system as claimed in claim 2 is characterized in that, the described fan governor that is equipped with also is used for:
Choose the next one that is connected with described main fan controller and be equipped with fan governor as new main fan controller.
6. a fan governor is applied to fan control system, is connected with all fans in the described fan control system, it is characterized in that, comprises that fan rotates control module, temperature detecting module and communication module; Wherein,
Described temperature detecting module connects the focus in the fan control system, is used to detect the temperature of focus;
Described fan rotates control module, is connected with described temperature detecting module, is used for sending control command according to the detected temperature of described temperature detecting module to fan;
Described communication module is connected with other fan governors, is used for sending heartbeat message when described fan governor during as the main fan controller to other fan governors; When described fan governor when being equipped with fan governor, receive the heartbeat message that the main fan controller sends, and when in Preset Time, not receiving the heartbeat message that the main fan controller sends, send control command to fan.
7. fan governor as claimed in claim 7 is characterized in that, also comprises:
Handover module, be used for storing the fan governor sign ID of described fan control system and the main fan controller switchover policy of described fan governor sign ID correspondence, when described fan governor conduct is equipped with fan governor, switch to new main fan controller according to described switchover policy.
8. fan governor as claimed in claim 7 is characterized in that,
When described fan governor during as the main fan controller, described main fan controller be equipped with fan governor and be connected same bus or described main fan controller respectively and be equipped with that fan governor directly is connected or described main fan controller is connected in turn with fan governor fully;
When described fan governor when being equipped with fan governor, describedly be equipped with that fan governor is connected same bus respectively with the main fan controller or directly be connected with the main fan controller or be connected to the main fan controller in turn with other fan governors.
CN2009201708430U 2009-08-07 2009-08-07 Fan control system and fan controller Expired - Lifetime CN201568349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201708430U CN201568349U (en) 2009-08-07 2009-08-07 Fan control system and fan controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201708430U CN201568349U (en) 2009-08-07 2009-08-07 Fan control system and fan controller

Publications (1)

Publication Number Publication Date
CN201568349U true CN201568349U (en) 2010-09-01

Family

ID=42660634

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201708430U Expired - Lifetime CN201568349U (en) 2009-08-07 2009-08-07 Fan control system and fan controller

Country Status (1)

Country Link
CN (1) CN201568349U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102478938A (en) * 2010-11-30 2012-05-30 英业达股份有限公司 Server system
CN104237724B (en) * 2014-09-03 2017-04-19 迈普通信技术股份有限公司 Detection card and detection system for fan card
CN106762771A (en) * 2017-02-09 2017-05-31 联想(北京)有限公司 Fan control system, cooling system and control method for fan
CN106871326A (en) * 2015-12-14 2017-06-20 阿里巴巴集团控股有限公司 Computer room, the cooling control system of data center

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102478938A (en) * 2010-11-30 2012-05-30 英业达股份有限公司 Server system
CN104237724B (en) * 2014-09-03 2017-04-19 迈普通信技术股份有限公司 Detection card and detection system for fan card
CN106871326A (en) * 2015-12-14 2017-06-20 阿里巴巴集团控股有限公司 Computer room, the cooling control system of data center
CN106871326B (en) * 2015-12-14 2019-11-26 阿里巴巴集团控股有限公司 Computer room, data center cooling control system
CN106762771A (en) * 2017-02-09 2017-05-31 联想(北京)有限公司 Fan control system, cooling system and control method for fan
CN106762771B (en) * 2017-02-09 2019-01-15 联想(北京)有限公司 Fan control system, cooling system and control method for fan

Similar Documents

Publication Publication Date Title
CN201568349U (en) Fan control system and fan controller
EP2472939B1 (en) System and method for monitoring parallel base station power supply
CN102981981B (en) USB device, communication system and working mode switching method thereof
CN103253597B (en) The control method of digital intelligent hoisting crane, control system and crane controller
CN106154877A (en) A kind of control device and progress control method thereof
CN101977005A (en) Hot-redundant control system of AC auxiliary excitation of locomotive
CN102045010B (en) Soft start one-to-multiple control system
CN202018573U (en) Thermal redundant control system for locomotive alternating-current auxiliary generator excitations
JP2010244457A (en) Method and system for control of usb communication, and usb hub apparatus
CN202756175U (en) Yaw control system of wind generating set
US20210257830A1 (en) Method, device and system for protecting parallel-connected topology units
CN202975764U (en) Mobile mechanical intelligent controller based on CANopen
CN102594605B (en) Dual-host port universal serial bus (USB) hub and working method thereof
CN205105136U (en) Motor drive
CN111786864A (en) Dual-drive variable pitch system supporting master-slave mode automatic switching function and switching method
CN102088366B (en) Single board information monitoring device and distributed single board information monitoring system
CN105227031A (en) A kind of servomotor controller
CN101281510B (en) Double-I2C bus setting method and double I2C bus system
CN102176130A (en) Method for monitoring refrigeration equipment in machine room
EP2985673B1 (en) Method and terminal device for continuous power supply to external carrier
CN201671766U (en) Wind power generation control device with soft redundancy function
CN204858579U (en) Active power balance adjustment and reactive compensation's device
CN212540558U (en) Contact detection circuit and system
CN203079442U (en) Serial communication device in frequency conversion electric control system of elevator
KR20120007657A (en) Inverter

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No.

Patentee after: Xinhua three Technology Co., Ltd.

Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base

Patentee before: Huasan Communication Technology Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100901