JPS6234211A - Fan drive control system - Google Patents
Fan drive control systemInfo
- Publication number
- JPS6234211A JPS6234211A JP60173454A JP17345485A JPS6234211A JP S6234211 A JPS6234211 A JP S6234211A JP 60173454 A JP60173454 A JP 60173454A JP 17345485 A JP17345485 A JP 17345485A JP S6234211 A JPS6234211 A JP S6234211A
- Authority
- JP
- Japan
- Prior art keywords
- fan
- power supply
- load current
- temperature
- voltage
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Power Sources (AREA)
- Control Of Temperature (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
Description
【発明の詳細な説明】
〔概要〕
システムを冷却するファンの回転を制御するファン駆動
制御方式において、システムの電源の温度を検出する電
源温度検出手段と、負荷に供給する電流を検出する負荷
電流検出手段と、電源温度検出手段と負荷電流検出手段
とによって夫々検出された値に基づいて、ファンの回転
をリニア駆動するファン駆動制御手段とを備え、ファン
を駆動して電源および／あるいは電源を含むシステムを
冷却するようにしている。[Detailed Description of the Invention] [Summary] In a fan drive control method that controls the rotation of a fan that cools a system, a power supply temperature detection means that detects the temperature of the power supply of the system, and a load current that detects the current supplied to the load. and a fan drive control means for linearly driving the rotation of the fan based on the values respectively detected by the power source temperature detecting means and the load current detecting means. It is designed to cool the system containing it.
本発明は、電源の温度および負荷電流に関連づけて当該
電源および／あるいは電源を含むシステムを冷却するフ
ァンの回転をリニア制御するファン駆動制御方式に関す
るものである。The present invention relates to a fan drive control method that linearly controls the rotation of a fan that cools a power source and/or a system including the power source in relation to the temperature and load current of the power source.
従来、システムを冷却するファンは、一般に電源がＯＮ
にされている間中、廻り通しである。また、ある種のフ
ァンは、電源の温度が所定値以上に上昇した場合に１回
転するように制御されていた。Traditionally, fans that cool systems are generally powered on.
It continues to circulate throughout the entire process. Furthermore, some types of fans are controlled to rotate once when the temperature of the power source rises above a predetermined value.
このため、前者は、電源ＯＮの間中、ファンが廻り通し
で、非所望の騒音および強風を吐出するという問題点が
あった。また、後者は、電源の温度が所定値以上に上昇
した場合に、ファンを回転させていたため、ｉ荷電流が
大きくなっても、温度検出位置の温度が上昇しない限り
、ファンを回転させて冷却させることができないという
問題点があった。For this reason, the former has a problem in that the fan continues to rotate while the power is turned on, producing undesirable noise and strong wind. In addition, the latter rotates the fan when the temperature of the power supply rises above a predetermined value, so even if the i-charge current increases, as long as the temperature at the temperature detection position does not rise, the fan will continue to rotate to cool down. The problem was that it could not be done.
本発明は、前記問題点を解決するために、電源の温度お
よび負荷電流を夫々検出し、これらに関連づけてファン
をいわばリニアに回転制御する構成を採用することによ
り、必要十分な冷却を行い。In order to solve the above-mentioned problems, the present invention employs a configuration in which the temperature of the power supply and the load current are detected, and the rotation of the fan is controlled linearly in relation to these, thereby achieving necessary and sufficient cooling.
非所望の風の吐出を行わないようにしている。This prevents undesired wind from being discharged.
第１図に示す本発明の１実施例構成を用いて問題点を解
決するための手段を説明する。Means for solving the problems will be explained using the configuration of one embodiment of the present invention shown in FIG.
第１図において、ファン２は、電源１および／あるいは
電ａ１を含むシステムを、冷却するための風を吐出させ
るものである。In FIG. 1, a fan 2 blows out air for cooling a system including a power source 1 and/or a power source a1.
電源温度検出手段３は、電源の出力段のトランジスタＴ
Ｒｚなどのように、所定温度以上に上昇すると破損し
てしまうような部品の温度を、サーミスタなどのように
抵抗値が変化する素子、あるいはトランジスタなどのよ
うに順方向電位が変化する素子を用いて検出するもので
ある。The power supply temperature detection means 3 includes a transistor T in the output stage of the power supply.
The temperature of components such as Rz, which would be damaged if the temperature rises above a certain level, can be controlled by using an element whose resistance value changes, such as a thermistor, or an element whose forward potential changes, such as a transistor. It is used for detection.
負荷電流検出手段４は２例えばＣＴ（カーレントトラン
ス）によって検出した電圧を整流して直流電圧を生成す
るものである。The load current detection means 4 rectifies the voltage detected by, for example, a CT (current transformer) to generate a DC voltage.
トランジスタＴＲ，、ＴＲ，は、ファン駆動制御手段で
あって、電源温度検出手段３によって抵抗あるいは起電
力などの態様で検出された電源温度、および直流電圧の
態様で検出された負荷電流に対応した電圧Ｖ ＦＡＮを
、ファン２に印加するものである。The transistors TR, , TR, are fan drive control means, and correspond to the power supply temperature detected by the power supply temperature detection means 3 in the form of resistance or electromotive force, and the load current detected in the form of DC voltage. A voltage V FAN is applied to the fan 2.
第１図に示す構成を採用し、電源の温度および負荷電流
を夫々検出し、これら電源温度および負荷電流のいずれ
かあるいは両者が上昇した場合に。The configuration shown in FIG. 1 is adopted to detect the temperature of the power supply and the load current, respectively, and when either or both of the power supply temperature and the load current rises.
ファン２に印加する電圧Ｖ ＦＡＮをリニアに上昇させ
るように制御している。このため、ファン２を必要最小
限に回転させて、電源および／あるいは電源を含むシス
テムを冷却している。The voltage V FAN applied to the fan 2 is controlled to increase linearly. For this reason, the fan 2 is rotated to the minimum necessary extent to cool the power supply and/or the system including the power supply.
第１図は本発明の１実施例構成を示す。図中。 FIG. 1 shows the configuration of one embodiment of the present invention. In the figure.
１は電源、２はファン、３は電源温度検出手段。1 is a power supply, 2 is a fan, and 3 is a power supply temperature detection means.
４は負荷電流検出手段、ＴＲ＋ないしＴ Ｒ３はトラン
ジスタ、Ｒ＋ 、Ｒｚは抵抗を表す。4 represents load current detection means, TR+ to TR3 represent transistors, and R+ and Rz represent resistances.
第１図において、電源１は、ＤＣ出力を負荷例えば電子
計算機のＣＰＵメモリボード、ディスク装置、プリンタ
装置などに供給するものであって。In FIG. 1, a power supply 1 supplies DC output to loads such as a CPU memory board of an electronic computer, a disk device, a printer device, and the like.
ファン２が回転して吐出した風によって冷却される。こ
のファン２は、トランジスタＴＲ，、ＴＲ。The fan 2 rotates and discharges air to cool the room. This fan 2 includes transistors TR, TR.
によって、リニアに制御された電圧ＶＦＡＮが印加され
２回転する。この回転速度は、電源温度に比例関係に制
御されると共に、負荷電流に比例関係に制御される。As a result, a linearly controlled voltage VFAN is applied and the motor rotates twice. This rotational speed is controlled in proportion to the power supply temperature and also in proportion to the load current.
電源温度検出手段３によって検出される電源の温度は１
例えば負荷に供給するＤＣ出力を制御するパワートラン
ジスタＴＲ，の温度である。温度の検出は、サーミスタ
などの抵抗値が変化する素子、あるいはトランジスタな
どの順方向の起電圧が変化する素子によって行われる。The temperature of the power supply detected by the power supply temperature detection means 3 is 1
For example, it is the temperature of the power transistor TR that controls the DC output supplied to the load. Temperature detection is performed by an element whose resistance value changes, such as a thermistor, or an element whose forward electromotive force changes, such as a transistor.
負荷電流検出手段４によって検出される負荷電流は２例
えばＣＴ（カーレントトランス）を用いて当該電源に供
給する電流を検出することによって行われる。この検出
された電流は、整流され。The load current detected by the load current detection means 4 is detected by detecting the current supplied to the power source using, for example, a CT (current transformer). This detected current is rectified.
直流電圧に変換される。この変換された直流電圧は１図
示のようにトランジスタＴＲ２のベースに印加される。Converted to DC voltage. This converted DC voltage is applied to the base of transistor TR2 as shown in FIG.
一方、このトランジスタＴＲ２のエミッタと接地との間
に、電源温度検出手段３である例えばサーミスタを接続
する。以上の構成を採用することにより、電源温度が徐
々に上昇した場合、トランジスタＴＲ２のエミッタと接
地とに接続した例えばサーミスタの抵抗が徐々に大きく
なり５ トランジスタＴ Ｒｚのコレクタ電流が徐々に
小さくなる。このため、トランジスタＴＲ，を介してフ
ァン２に印加する電圧Ｖ ＦＡＮの値が徐々に大きくな
る。これにより、ファン２の回転が徐々に速くなり、電
源１および／あるいは電源１を含むシステムに吐出する
空気の量が徐々に多くなる。On the other hand, a thermistor, for example, which is power supply temperature detection means 3, is connected between the emitter of this transistor TR2 and the ground. By employing the above configuration, when the power supply temperature gradually increases, the resistance of, for example, a thermistor connected between the emitter of the transistor TR2 and the ground gradually increases, and the collector current of the transistor TRz gradually decreases. Therefore, the value of the voltage VFAN applied to the fan 2 via the transistor TR gradually increases. As a result, the rotation of the fan 2 gradually increases, and the amount of air discharged to the power source 1 and/or the system including the power source 1 gradually increases.
また、負荷に供給する電流が徐々に増大した場合、トラ
ンジスタＴＲ，のベースと接地との間に生じる直流電圧
の値が、徐々に低くなり、トランジスタＴＲ２のコレク
タ電流が徐々に小さくなる。Furthermore, when the current supplied to the load gradually increases, the value of the DC voltage generated between the base of transistor TR and the ground gradually decreases, and the collector current of transistor TR2 gradually decreases.
これにより、トランジスタＴＲ，を介してファン２に印
加される電圧Ｖ ＦＪＩＮの値が徐々に大きくなり、フ
ァン２の回転が徐々に速くなる。そして。As a result, the value of the voltage V FJIN applied to the fan 2 via the transistor TR gradually increases, and the rotation of the fan 2 gradually increases. and.
電源１および／あるいは電源１を含むシステムに吐出す
る空気の量が徐々に多くなる。The amount of air discharged into the power source 1 and/or the system including the power source 1 gradually increases.
以上説明したように、電源温度が上・昇した場合。As explained above, when the power supply temperature rises.
あるいは負荷電流が増大した場合、および両者が上昇、
増大した場合、いずれも、ファン２に印加する電圧Ｖ
ＦＡＮが増大するように制御されるため。Or if the load current increases, and both increase,
In both cases, the voltage V applied to the fan 2
This is because FAN is controlled to increase.
ファン２は必要最小限の風を電ａ１および／あるいは電
源１を含むシステムに吐出している。The fan 2 discharges the minimum necessary amount of air to the system including the electricity a1 and/or the power supply 1.
第２図は、負荷電流検出手段の構成例および特性曲線例
を示す。FIG. 2 shows a configuration example and a characteristic curve example of the load current detection means.
第２図（イ）図中ＣＴ（カーレントトランス）によって
検出された電圧は、ダイオードＤ２によって整流され、
コンデンサＣ２および抵抗Ｒ８からなる平滑回路によっ
て平滑される。この平滑された電圧と、ＤＣ入力電電流
、との関係を示すと。The voltage detected by the CT (current transformer) in Figure 2 (a) is rectified by the diode D2,
It is smoothed by a smoothing circuit consisting of capacitor C2 and resistor R8. The relationship between this smoothed voltage and the DC input current is shown below.
第２図（ロ）に示すように比例関係となる。この電圧■
、が増大した場合に、第１図図中電圧ｖＦＡＮが増大す
るようにトランジスタＴＲ，を制御することにより、負
荷電流の増大に伴い、ファン２の回転速度を速くして電
源１および／あるいは電源１を含むシステムを冷却する
風量を多くすることができる。As shown in Figure 2 (b), there is a proportional relationship. This voltage
By controlling the transistor TR so that the voltage vFAN in FIG. 1 increases when , increases, the rotation speed of the fan 2 is increased as the load current increases, and the power supply 1 can increase the amount of air used to cool the system.
第３図は本発明の詳細な説明する動作説明図を示す。図
中横軸は電圧ｖＡ （負荷電流に対応する電圧）および
抵抗値ＴＮ（電ａ温度に対応する抵抗値）を示し、縦軸
はファン２に印加する電圧■ＦＡＮを示す。FIG. 3 shows an operation explanatory diagram for explaining the present invention in detail. In the figure, the horizontal axis shows the voltage vA (voltage corresponding to the load current) and the resistance value TN (the resistance value corresponding to the electric temperature), and the vertical axis shows the voltage ■FAN applied to the fan 2.
第３図横軸中の“ファン不動作領域”は、電圧■、およ
び抵抗値ＴＨが所定値よりも夫々率さいため、即ち電源
温度が低く、かつ負荷電流が小さいため２回転しない程
度の電圧■、＾８がファン２に印加される領域を示す。The "fan non-operating area" on the horizontal axis in Figure 3 is a voltage that does not rotate twice because the voltage ■ and the resistance value TH are each lower than the predetermined values, that is, the power supply temperature is low and the load current is small. ■, ^8 indicate the area where the voltage is applied to the fan 2.
“ファンリニア回転領域”は、電圧ｖＡあるいは／およ
び抵抗値Ｔ９が所定値よりも大きく２かつ飽和値よりも
小さい範囲にあるため、リニアに回転速度を増大する電
圧Ｖ ＦＡＮをファン２に印加する領域を示す。The "fan linear rotation region" is a range in which the voltage vA and/or the resistance value T9 is greater than the predetermined value 2 and smaller than the saturation value, so a voltage V FAN that linearly increases the rotation speed is applied to the fan 2. Indicates the area.
“ファンフル回転領域”は、電圧ｖＡあるいは／および
抵抗値Ｔ、が飽和値よりも大きいため。The "fan full rotation region" is because the voltage vA and/or the resistance value T are larger than the saturation value.
フルに回転する電圧Ｖ ＦＡＮをファン２に印加する領
域を示す。The region where a voltage V FAN for full rotation is applied to the fan 2 is shown.
以上説明したように、負荷電流に対応する電圧■１ある
いは／および電源温度に対応する抵抗値Ｔイに関連づけ
て、リニアにファン２の回転速度を１１１１１１してい
るため、電源１の温度および／あるいは負荷電流に対応
した必要最小限の風が吐出されることとなる。As explained above, since the rotation speed of the fan 2 is linearly set to 111111 in relation to the voltage 1 corresponding to the load current and/or the resistance value T1 corresponding to the power supply temperature, the temperature of the power supply 1 and/or Alternatively, the minimum necessary amount of air corresponding to the load current will be discharged.
以上説明したように１本発明によれば、電源の温度およ
び負荷電流を夫々検出し、これらに関連づけてファンの
速度をリニアに制御する構成を採用しているため、必要
十分な冷却を行うようにファンを回転させ、風を電源お
よび／あるいは電源を含むシステムに吐出することが可
能となる。このため、非所望の強風を吐出することが避
けられると共に非所望の騒音の発生を最小限に抑えるこ
とができる。As explained above, according to the present invention, a configuration is adopted in which the temperature of the power supply and the load current are detected respectively, and the speed of the fan is linearly controlled in relation to these, so that necessary and sufficient cooling can be performed. The fan can then be rotated to blow air into the power source and/or the system containing the power source. Therefore, it is possible to avoid discharging undesired strong winds and to minimize the generation of undesired noise.
第１図は本発明の１実施例構成図、第２図は負荷電流検
出手段の構成例および特性曲線例、第３図は本発明の動
作説明図を示す。
図中、１は電源、２はファン、３は電源温度検出手段、
４は負荷電流検出手段、ＴＲ，、ないしＴＲ３はトラン
ジスタ、Ｒ１，Ｒｚは抵抗、ＣＴはカーレントトランス
、ＣＩ、Ｃｚはコンデンサを表す。
特許出願人 ユーザツク電子工業株式会社代理人弁理
士 森１）寛（外２名）
杢を明り１室譜例４１１＾
＄ １ 図
タク一一−FIG. 1 is a configuration diagram of one embodiment of the present invention, FIG. 2 is a configuration example and characteristic curve example of a load current detection means, and FIG. 3 is an explanatory diagram of the operation of the present invention. In the figure, 1 is a power supply, 2 is a fan, 3 is a power supply temperature detection means,
4 represents a load current detection means, TR to TR3 are transistors, R1 and Rz are resistors, CT is a current transformer, and CI and Cz are capacitors. Patent Applicant Usatsuk Electronic Industry Co., Ltd. Representative Patent Attorney Hiroshi Mori 1) (and 2 others) Moku wo Akari 1 Room Score Example 411＄＄ 1 Figure Taku 11-
Claims (1)
制御方式において。 システムの電源の温度を検出する電源温度検出手段と， 電源から負荷に供給する電流を検出する負荷電流検出手
段と， 前記電源温度検出手段と負荷電流検出手段とによって夫
々検出された値に基づいて，ファンを駆動するファン駆
動制御手段とを備え， このファン駆動制御手段によってファンの回転速度をリ
ニアに駆動して電源および／あるいは電源を含むシステ
ムを冷却するよう制御することを特徴とするファン駆動
制御方式。[Claims] A fan drive control method for controlling the rotation of a fan that cools a system. power supply temperature detection means for detecting the temperature of the power supply of the system; load current detection means for detecting the current supplied from the power supply to the load; and based on the values respectively detected by the power supply temperature detection means and the load current detection means. , a fan drive control means for driving the fan, and the fan drive control means linearly drives the rotational speed of the fan to cool a power supply and/or a system including the power supply. control method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60173454A JPH0647995B2 (en) | 1985-08-07 | 1985-08-07 | Juan drive control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60173454A JPH0647995B2 (en) | 1985-08-07 | 1985-08-07 | Juan drive control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6234211A true JPS6234211A (en) | 1987-02-14 |
| JPH0647995B2 JPH0647995B2 (en) | 1994-06-22 |
Family
ID=15960766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60173454A Expired - Lifetime JPH0647995B2 (en) | 1985-08-07 | 1985-08-07 | Juan drive control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0647995B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02269473A (en) * | 1989-04-07 | 1990-11-02 | Nec Gumma Ltd | Power unit |
| JPH0321998U (en) * | 1989-07-08 | 1991-03-06 | ||
| EP0747798A2 (en) * | 1995-06-07 | 1996-12-11 | Acme Electric Corporation | Temperature and current dependent regulated voltage source |
| JP2009095201A (en) * | 2007-10-12 | 2009-04-30 | Shotatsu Kagi Kofun Yugenkoshi | Circuit for which polygonal line-shaped characteristic curve of fan rotation speed is designed |
| JP2009178039A (en) * | 2009-03-02 | 2009-08-06 | Sea Sonic Electronics Co Ltd | Method and circuit which control motor rotation speed |
| JP2011001931A (en) * | 2009-06-22 | 2011-01-06 | Nec Computertechno Ltd | Cooling controller, cooling device, cooling method and program |
| CN104265666A (en) * | 2014-08-29 | 2015-01-07 | 武汉钢铁(集团)公司 | Method for preventing surging of fans |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644590U (en) * | 1979-09-13 | 1981-04-22 | ||
| JPS57189296U (en) * | 1981-05-26 | 1982-12-01 | ||
| JPS58173813A (en) * | 1982-04-07 | 1983-10-12 | Hitachi Ltd | Motor control device of cooler for stationary electric induction apparatus |
-
1985
- 1985-08-07 JP JP60173454A patent/JPH0647995B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644590U (en) * | 1979-09-13 | 1981-04-22 | ||
| JPS57189296U (en) * | 1981-05-26 | 1982-12-01 | ||
| JPS58173813A (en) * | 1982-04-07 | 1983-10-12 | Hitachi Ltd | Motor control device of cooler for stationary electric induction apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02269473A (en) * | 1989-04-07 | 1990-11-02 | Nec Gumma Ltd | Power unit |
| JPH0321998U (en) * | 1989-07-08 | 1991-03-06 | ||
| EP0747798A2 (en) * | 1995-06-07 | 1996-12-11 | Acme Electric Corporation | Temperature and current dependent regulated voltage source |
| EP0747798A3 (en) * | 1995-06-07 | 1998-02-11 | Acme Electric Corporation | Temperature and current dependent regulated voltage source |
| JP2009095201A (en) * | 2007-10-12 | 2009-04-30 | Shotatsu Kagi Kofun Yugenkoshi | Circuit for which polygonal line-shaped characteristic curve of fan rotation speed is designed |
| JP2009178039A (en) * | 2009-03-02 | 2009-08-06 | Sea Sonic Electronics Co Ltd | Method and circuit which control motor rotation speed |
| JP2011001931A (en) * | 2009-06-22 | 2011-01-06 | Nec Computertechno Ltd | Cooling controller, cooling device, cooling method and program |
| CN104265666A (en) * | 2014-08-29 | 2015-01-07 | 武汉钢铁(集团)公司 | Method for preventing surging of fans |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0647995B2 (en) | 1994-06-22 |
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