CN1300467C - Blowing fan system - Google Patents
Blowing fan system Download PDFInfo
- Publication number
- CN1300467C CN1300467C CNB031589235A CN03158923A CN1300467C CN 1300467 C CN1300467 C CN 1300467C CN B031589235 A CNB031589235 A CN B031589235A CN 03158923 A CN03158923 A CN 03158923A CN 1300467 C CN1300467 C CN 1300467C
- Authority
- CN
- China
- Prior art keywords
- fan
- mentioned
- control gear
- operating state
- mentioned main
- 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
Links
Images
Abstract
The present invention relates to a fan system which comprises a plurality of fans, wherein each fan is provided with a control device used for detecting and controlling an operating state of the fan, one of the fans is selected to be used as a main fan by each control device in a specific judging mode, and the rest fans are used as auxiliary fans; operating states of the auxiliary fans are detected by the control device of the main fan via the control devices of the auxiliary fans, and the operating states of the main fan and the auxiliary fans are changed according to the operating states of the main fan and the auxiliary fans.
Description
Technical field
The present invention relates to a kind of fan system, the fan system of the mutual self-interlock of particularly a kind of a plurality of fan assemblys.
Background technique
Generally speaking, as long as provide fan required power supply, just fan is run well, but whether this kind method only can control fan running, and uncontrollable other extra control; When fan has other function, for example: have multistage curve rotating speed, then need an external controller, in order to the control function that fan added.Fig. 1 shows known fan system control schematic representation.As shown in the figure, controller 10 couples a plurality of fan assembly 12a-12n, the operating state of each fan assembly 12a-12n of controller 10 may command, but fan 12a-12n can't control or detect to each other mutually, thereby reduce the elasticity of fan system utilization.
And, because the number of fans that controller can be controlled is limited, when the quantity increase of fan assembly, or the output signal of fan more for a long time, then may need another controller to control fan assembly, so, the increase that extra wiring that increases and controller will cause cost.
Summary of the invention
In view of this, first purpose of the present invention provides a kind of fan system, makes and can detect mutually and control between fan, uses to reach the function that improves the fan heat radiation.
For achieving the above object, the present invention proposes a kind of fan system, comprising: a plurality of fans, and each fan all has a control gear, in order to the operating state of detecting and control itself; Wherein, the control gear of fan inside in said fans, is selected a main fan according to a particular decision mode, and all the other are all secondary fan; The control gear that the control gear of main fan sees through secondary fan is detected the operating state of secondary fan, and according to the operating state of main fan and secondary fan, changes the operating state of main fan and secondary fan.
Have the function that mutual detection is judged between said fans, when the main fan fault, then the control gear of secondary fan redefines major and minor fan according to the particular decision mode.And the particular decision mode is the positioning address according to control gear, distinguishes major and minor fan.When the operating state of arbitrary secondary fan takes place when unusual, the control gear of main fan sends an alarm signal, informs that the secondary fan of user takes place unusual; Then, the control gear of main fan can be adjusted the control gear that unusual secondary fan takes place operating state, makes operating state that unusual secondary fan take place and recovers normal.
Description of drawings
Fig. 1 shows known fan control schematic representation.
Fig. 2 shows the Block Diagram of fan system of the present invention.
The inside Block Diagram of Fig. 3 display control unit.
Fig. 4 shows controlling method of the present invention.
Symbol description:
10: controller;
12a-12n: fan;
20a: main fan;
20b-20n: secondary fan;
120a-120n: control gear;
30: I/O unit;
32: processing unit;
34: storage unit.
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below:
Fig. 2 shows the Block Diagram of fan system of the present invention.As shown in the figure, fan system comprises: a main fan 20a has a control gear 120a, in order to the operating state of detecting and control main fan 20a; A plurality of secondary fan 20b-20n have a control gear 120b-120n respectively, in order to detect and to control the operating state of secondary fan 20b-20n; One connection set 14 in order to connect control gear 120a-120n, makes between control gear 120a-120n and is carried out data transmission, and in the present embodiment, connection set 14 is buses.
Wherein, control gear 120a sees through bus and is connected with control gear 120b-120n, in order to detecting the operating state of secondary fan 20b-20n, and, control gear 120a will change the operating state of main fan 20a and secondary fan 20b-20n according to the operating state of main fan 20a and secondary fan 20b-20n.When one of them generation operating state of secondary fan 20b-20n was unusual, then main fan 20a sent an alarm signal, in order to inform the user.
The inside Block Diagram of Fig. 3 display control unit.As shown in the figure, control gear 120a-120n has respectively: an I/O unit 30, in order to transmit the signal that signal gives other fan or receives other fan; One processing unit 32, according to the signal that is received, the operating state of change itself; One storage unit 34, the operating state of storage itself or other fan, for example: fan running Cumulative time or power on/off number of times; Wherein, control gear 120a-120n of the present invention for example is a single-chip controller, and each control gear 120a-120n has a positioning address (access address) respectively.
Among the fan 20a-20n, only a main fan can be arranged, other fan then is secondary fan, and the present invention does not limit the system of selection of main fan, is that the fan with the positioning address minimum is a main fan in the present embodiment; In addition, the control gear of main fan is according to the priority order of secondary fan, and the control gear that sees through secondary fan is detected the operating state of each secondary fan in regular turn, and according to the operating state of secondary fan, change itself reaches the operating state of secondary fan again.
Take place when unusual when main fan detects a certain secondary fan running, adjust near the operating state of other the secondary fan the unusual secondary fan, and send a unusual alarm signal; Then, main fan will try to adjust the operating state of unusual secondary fan itself, if still can't make unusual secondary fan normal operation the time, then continue to send unusual alarm signal, inform the user,, and cause the damage of other device in order to avoid taking place unusually because of a certain secondary fan.
When the control gear of secondary fan in a special time, when not receiving the detection signal from the main fan control gear, expression main fan fault, then in the control gear of secondary fan, fan with the control gear of positioning address minimum is new main fan, avoid the fault of external means, can't normally dispel the heat, cause the external means can't proper functioning because of main fan; Wherein, the data transmission between the control gear of main fan and the control gear of secondary fan is to utilize to hand over to hold formula (hand shake) control mode.
Fig. 4 shows controlling method of the present invention.Please refer to Fig. 2, suppose, fan 20a is a main fan, and fan 20b-20n is secondary fan, and according to priority order, descending arrangement;
Step 100: the control gear 120a of main fan 20a sends a detection signal and gives secondary fan 20b, and execution in step 110 then.
Step 110: the control gear 120b of secondary fan 20b sends a return signal and gives control gear 120a according to the detection signal that control gear 120a is sent, and execution in step 120 then.
Step 120: the control gear 120a of main fan 20a receives the return signal that the control gear 120b of secondary fan 20b is sent, and execution in step 130 then.
Step 130: control gear 120a judges whether the return signal that secondary fan 20b is sent is in the normal operation state, if then execution in step 100, continues the next secondary fan of detecting; If not, execution in step 140 then.
Step 140: the control gear 120a of main fan 20a sends a control signal, in order to change the operating state of main fan 20a and secondary fan 20b, makes fan system keep certain running.
For example, suppose that the control gear 120a desire of main fan 20a detects the running speed of secondary fan 20b-20n, then the higher secondary fan 20b of detecting preference earlier; When the control gear 120b of secondary fan 20b receives the detection signal of control gear 120a of main fan 20a, the running speed of detecting itself and send a return signal and give control gear 120a then; The control gear 120a of main fan 20a judges according to the running speed of secondary fan 20b whether the running speed of secondary fan 20b is normal operation; When the running speed of secondary fan 20b was lower than a running default value, then the control gear 120a of main fan 20a improved the running speed of main fan 20a and secondary fan 20b-20n; Then, the control gear 120a of main fan 20a continues to detect the running speed of next secondary fan again.
In addition, the control gear 120a of main fan 20a is except the running speed that can detect secondary fan 20b-20n, the control gear 120a of main fan 20a can also be according to the temperature of secondary fan 20b-20n, improve or reduce the running speed of main fan 20a and secondary fan 20b-20n, make the heat sinking function of fan system have elasticity more.
And control gear 120a can detect the basic data of secondary fan 20b-20n, for example: the sequence number of dispatching from the factory or fan parameter, judge service time of fan by the sequence number of dispatching from the factory of fan; The control gear 120a of main fan 20a is by the power supply status of the secondary fan 20b-20n of detecting, and it is undesired to judge whether secondary fan 20b-20n operates.
In sum, the main fan with control gear in the fan system of the present invention can detecting itself and the operating state of secondary fan, and according to the state of being detected, change or keep itself and secondary fan state, improve the elasticity that the fan heat sinking function is used widely.
Claims (10)
1. fan system comprises:
A plurality of fans all have a control gear, in order to the operating state of detecting and control itself;
Wherein, above-mentioned control gear is according to a particular decision mode, and one of them is main fan for selected said fans, and all the other are all secondary fan; The control gear that the control gear of above-mentioned main fan sees through above-mentioned secondary fan is detected the operating state of above-mentioned secondary fan, and according to the operating state of above-mentioned main fan and secondary fan, changes the operating state of above-mentioned main fan and secondary fan.
2. fan system according to claim 1 wherein, has the function that mutual detection is judged between said fans, when above-mentioned main fan fault, then the control gear of above-mentioned secondary fan redefines major and minor fan according to above-mentioned particular decision mode.
3. fan system according to claim 1 more comprises: a connection set in order to connecting above-mentioned main fan and secondary fan, and makes between above-mentioned main fan and secondary fan and is carried out data transmission.
4. fan system according to claim 1, wherein, above-mentioned secondary fan has the setting of priority, and the control gear of above-mentioned main fan is detected each above-mentioned secondary fan in regular turn according to the priority order of above-mentioned secondary fan.
5. fan system according to claim 1, wherein, the operating state of above-mentioned secondary fan is detected and controlled to above-mentioned main fan.
6. fan system according to claim 1, wherein, the operating state of above-mentioned main fan and secondary fan comprises: rotating speed state, state of temperature and power supply supply status one of them.
7. fan system according to claim 6, wherein, when the operating state of arbitrary above-mentioned secondary fan takes place when unusual, then the operating state of the unusual fan of control gear adjustment of above-mentioned main fan and adjust unusual fan does not take place around it operating state one of them.
8. fan system according to claim 7, wherein, above-mentioned main fan sends an alarm signal to unusual secondary fan takes place.
9. fan system according to claim 1, wherein, above-mentioned control gear is a single-chip controller.
10. fan system according to claim 9, wherein, above-mentioned control gear has memory function, in order to store the operating state of above-mentioned main fan and secondary fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031589235A CN1300467C (en) | 2003-09-10 | 2003-09-10 | Blowing fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031589235A CN1300467C (en) | 2003-09-10 | 2003-09-10 | Blowing fan system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1594889A CN1594889A (en) | 2005-03-16 |
| CN1300467C true CN1300467C (en) | 2007-02-14 |
Family
ID=34660542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031589235A Expired - Lifetime CN1300467C (en) | 2003-09-10 | 2003-09-10 | Blowing fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1300467C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374182B (en) * | 2010-08-24 | 2016-03-02 | 联想(北京)有限公司 | Rack and fan system thereof |
| CN107061335B (en) * | 2017-01-03 | 2020-05-26 | 奇鋐科技股份有限公司 | Control module for automatic air volume compensation and fan system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756473A (en) * | 1985-02-22 | 1988-07-12 | Fujitsu Limited | Cooling method control system for electronic apparatus |
| CN2484422Y (en) * | 2001-04-29 | 2002-04-03 | 台达电子工业股份有限公司 | Spare radiating device of series fan |
| US6398505B1 (en) * | 1999-06-03 | 2002-06-04 | Fujitsu Limited | Cooling apparatus and cooling system for realizing efficient cooling |
| CN1411332A (en) * | 2001-09-26 | 2003-04-16 | 台达电子工业股份有限公司 | Multiple heat radiating module set |
| CN1423410A (en) * | 2001-12-03 | 2003-06-11 | 台达电子工业股份有限公司 | Fan control system using single crystal chip |
-
2003
- 2003-09-10 CN CNB031589235A patent/CN1300467C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756473A (en) * | 1985-02-22 | 1988-07-12 | Fujitsu Limited | Cooling method control system for electronic apparatus |
| US6398505B1 (en) * | 1999-06-03 | 2002-06-04 | Fujitsu Limited | Cooling apparatus and cooling system for realizing efficient cooling |
| CN2484422Y (en) * | 2001-04-29 | 2002-04-03 | 台达电子工业股份有限公司 | Spare radiating device of series fan |
| CN1411332A (en) * | 2001-09-26 | 2003-04-16 | 台达电子工业股份有限公司 | Multiple heat radiating module set |
| CN1423410A (en) * | 2001-12-03 | 2003-06-11 | 台达电子工业股份有限公司 | Fan control system using single crystal chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1594889A (en) | 2005-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7294980B2 (en) | Fan control system | |
| EP1612649B1 (en) | Method and apparatus for energy efficiency in an integrated circuit | |
| US7155625B2 (en) | Method and apparatus to modify power requirements for a system | |
| JP3609444B2 (en) | Data processing system | |
| CN1417958A (en) | Control device and method for automatic household system | |
| US20120136978A1 (en) | Rack server system and management method of the same | |
| CN1818828A (en) | Information processing apparatus and control method for the same | |
| CN1444150A (en) | General serial bus equipment | |
| CN1808990A (en) | Network connectivity backup system | |
| CN1821914A (en) | Controller soft realizing method from I2C bus | |
| CN100485582C (en) | Control method of server fan | |
| CN1300467C (en) | Blowing fan system | |
| CN1960276A (en) | Remote control system and method | |
| CN1317846C (en) | Method of realizing internal external network physical partition and its device | |
| CN1255717C (en) | Method and apparatus for sharing interrupt between disk drive interfaces | |
| US10396697B2 (en) | Motor operating systems and methods thereof | |
| US6222716B1 (en) | Power line protection devices and methods for providing overload protection to multiple outputs | |
| CN1225707C (en) | System possessing function of managing peripheral I/O control device | |
| CN1896912A (en) | Method and circuit for controlling radiator | |
| CN1577289A (en) | Apparatus and method for controlling CPU speed transition | |
| CN1577307A (en) | Data transferring system using usb | |
| CN115339394A (en) | Automobile ceiling screen control system and method and electronic equipment | |
| CN1909463A (en) | Network router | |
| CN1420661A (en) | Controller | |
| CN1670691A (en) | System and method for regulating CPU frequency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070214 |
|
| CX01 | Expiry of patent term |