JPS63226552A - Control system for exhaust fan - Google Patents
Control system for exhaust fanInfo
- Publication number
- JPS63226552A JPS63226552A JP5947287A JP5947287A JPS63226552A JP S63226552 A JPS63226552 A JP S63226552A JP 5947287 A JP5947287 A JP 5947287A JP 5947287 A JP5947287 A JP 5947287A JP S63226552 A JPS63226552 A JP S63226552A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust fan
- exhaust
- exhaust fans
- fans
- signal
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Ventilation (AREA)
Abstract
Description
【発明の詳細な説明】
ＣＭ１要〕
複数個の排気扇を使用し、且つ各排気扇の回転数を監視
し、回転数が規定範囲以下に低下した時、故障信号を発
信する排気扇監視部を具備する装置に於いて、排気扇監
視部から故障（３号を受信した時、’ＩＷｓ信号を発信
すると共に残余の排気扇の回転数を上界させ、更に故障
信号を受信すると電源供給を停止する回転１ｂ制御部を
設ける。[Detailed description of the invention] CM1 required] An exhaust fan monitoring unit that uses a plurality of exhaust fans, monitors the rotation speed of each exhaust fan, and sends a failure signal when the rotation speed falls below a specified range. When a device equipped with a failure (No. 3) is received from the exhaust fan monitoring unit, it sends an 'IWs signal and limits the rotation speed of the remaining exhaust fans, and when it receives a failure signal, it stops supplying power. A rotation 1b control section for stopping is provided.
本発明は電子装置、ｊｍ信装置等の装置内部に設けられ
る冷却用の排気扇の制御方式に関するものである。The present invention relates to a control system for a cooling exhaust fan provided inside a device such as an electronic device or a JM communication device.
従来電子装置、通信装置等に力仝いては装置内の使用部
品の発熱により装置内部の温度が上昇して装置の正常動
作が行われない恐れがある場合、装置内部温度を下げる
ために排気扇が使用される。Conventionally, in electronic devices, communication devices, etc., when there is a risk that the internal temperature of the device will rise due to the heat generated by the parts used in the device and the device cannot operate normally, exhaust fans are used to lower the internal temperature of the device. is used.
装置が大型になると、発熱量も大きくなるので複数個の
排気扇が使用される。As the device becomes larger, the amount of heat generated also increases, so multiple exhaust fans are used.
第５図は従来の排気扇の制御方式の一例を示す図である
。FIG. 5 is a diagram showing an example of a conventional exhaust fan control method.
図中、１は装置、２は電源盤、３は排気扇監視部、４は
制御部、５ｎ〜５ｎは夫々排気扇である。In the figure, 1 is a device, 2 is a power supply panel, 3 is an exhaust fan monitoring section, 4 is a control section, and 5n to 5n are exhaust fans, respectively.
尚以下全図を通し同一記号は同一対象物を表す。The same symbols represent the same objects throughout all the figures below.
装置１の内部に複数個の排気扇５ｎ−５ｎが使用される
場合、従来第５図に示ず様Ｏこ排気扇監視部３と制御部
４を設けている。When a plurality of exhaust fans 5n-5n are used inside the device 1, an exhaust fan monitoring section 3 and a control section 4 are provided, unlike the conventional arrangement shown in FIG.
排気扇監視部３は各排気扇５１〜５ｏ毎に其の回転数を
検出し、検出された回転数が予め規定された範囲以下に
下がると故障信号を出す。The exhaust fan monitoring section 3 detects the rotation speed of each of the exhaust fans 51 to 5o, and issues a failure signal when the detected rotation speed falls below a predefined range.
従来の制御部４は排気扇監視部３から一つでも故障信号
を受信すると電源盤２に対し電源を断とする処置を採っ
ていた。When the conventional control section 4 receives even one failure signal from the exhaust fan monitoring section 3, it takes measures to turn off the power to the power supply panel 2.
然しなから上記従来の制御方式では装置の信頼性が排気
扇の信頼性により決まると云う問題点があった・
本発明の目的は装置全体の（＋Ｔｈ頓性全高めるため排
気扇の故障程度ではダウンしない制御方式を提供するこ
とである。However, the conventional control method described above has a problem in that the reliability of the device is determined by the reliability of the exhaust fan.The purpose of the present invention is to completely improve the (+Th) stability of the entire device, so that it is possible to prevent failures of the exhaust fan. The objective is to provide a control method that will not cause the system to go down.
上記問題点は第１図（ａｌの原理図に示す様に、複数個
の排気扇５１〜５ｎ、を使用し、且つ前記各排気扇５１
〜５７の回転数を監視し、回転数が規定範囲以下に低下
した時、故障信号を発信する排気扇監視部３を具備する
装置１に於いて、排気扇監視部３から故障信号を受（Δ
した時、Ｗｆ［ｉ信号を発信すると共に残余の排気扇５
１〜５ｎ、の回転数を上昇させ、又は予め停止している
排気扇５１１〜５いを回転させ、排気扇監視部３から所
定個数以上の前記故障信号を受信した時、電源供給を停
止する回転制御部６を設けるごとにより解決される。The above problem is solved by using a plurality of exhaust fans 51 to 5n, as shown in the principle diagram in FIG.
In the device 1 equipped with the exhaust fan monitoring section 3 that monitors the rotation speed of the exhaust fan monitoring section 3 and sends a failure signal when the rotation speed falls below a specified range, the device 1 receives a failure signal from the exhaust fan monitoring section 3 ( Δ
When this happens, the Wf[i signal is transmitted and the remaining exhaust fan 5
1 to 5n, or rotate the previously stopped exhaust fans 511 to 5n, and when a predetermined number or more of the failure signals are received from the exhaust fan monitoring unit 3, the power supply is stopped. This problem can be solved by providing the rotation control section 6.
又第１図（ｂ）の原理図に示す様に、回転制御創部６は
排気扇監視部３から発信した故障信号の故が特定数の排
気扇５ ｓ＋〜５１の台数に等しいか又は大きい時、電
源供給を停止する比較器７を有することにより解決され
る。Further, as shown in the principle diagram of FIG. 1(b), the rotation control wound section 6 detects when the failure signal sent from the exhaust fan monitoring section 3 is equal to or larger than the specific number of exhaust fans 5s+ to 51. This problem is solved by having a comparator 7 that stops the power supply.
更に又回転制御部６は排気扇監視部３から発信した故障
信号の数が特定数の排気扇５９．〜５−の台数より少な
い時は警報を発し、前記特定数の排気扇５ｎ〜５−の台
数に等しいか又は大きい時、電源を停止する比較警報器
８を有することにより解決される。Furthermore, the rotation control unit 6 controls the exhaust fan 59 when the number of failure signals transmitted from the exhaust fan monitoring unit 3 is a specific number. This problem is solved by having a comparison alarm 8 which issues an alarm when the number is less than 5-5-, and shuts off the power when it is equal to or greater than the specified number of exhaust fans 5n-5-.
本発明に依ると第１図（ａｌに示す様に、排気扇５Ｉ〜
５イの内、何れかの回転数が規定範囲以下に低下した時
、排気扇監視部３は故障信号を発信する。回転制御部６
は故障信号を受信した時、Ｘ報信号を発信すると共に残
余の排気扇５ｎ〜５ｎの回転数を上昇させ、所定個数以
上の故障信号が出ると電源を停止する。According to the present invention, as shown in FIG.
When the rotation speed of any one of 5a falls below a specified range, the exhaust fan monitoring section 3 sends a failure signal. Rotation control section 6
When it receives a failure signal, it sends an X-report signal and increases the rotational speed of the remaining exhaust fans 5n to 5n, and when a predetermined number of failure signals or more are output, it stops the power supply.
第１図（ｂｌに示す様に、特定数の排気扇５９．〜５５
ｎを付加し、比較器７は排気扇監視部３から発信した故
障信号の数が特定数の排気扇５ Ｅ１〜５゜の台故に等
しいか又は大きい時、電源を停止する。As shown in Figure 1 (bl), a specific number of exhaust fans 59. to 55
n, and the comparator 7 stops the power supply when the number of failure signals sent from the exhaust fan monitoring section 3 is equal to or greater than the specified number of exhaust fans 5E1~5°.
又第１図（Ｃ１に示す様に、比較警報２′ｊ！８は排気
扇監視部３から発信した故障信号の数が特定数の排気扇
５ｓｌ〜５８１１の台数より少ない時は警報を発し、特
定数の排気扇５ｓＩ〜５１１の台数に等しいか又は大き
い時、電源を停止する。Also, as shown in FIG. 1 (C1), the comparison alarm 2'j!8 issues an alarm when the number of failure signals transmitted from the exhaust fan monitoring section 3 is less than the specific number of exhaust fans 5sl to 5811, When the number is equal to or greater than the specific number of exhaust fans 5sI to 511, the power supply is stopped.
第２図は本発明に依る排気扇の制御方式の−実施例を示
す図である。FIG. 2 is a diagram showing an embodiment of the exhaust fan control method according to the present invention.
図中、６は回転制ｆＩｆｆ部である。In the figure, 6 is a rotation control fIf section.
第２図の場合、装置１のヱ体内に冷却用として複数台の
排気扇５１〜５ｎが設けられている。In the case of FIG. 2, a plurality of exhaust fans 51 to 5n are provided inside the body of the apparatus 1 for cooling purposes.
排気扇監視部３は従来の技術の項で述べた様に、各排気
扇５ｎ〜５ｎ毎に其の回転数を夫々監視し、其の回転数
が規定の範囲以下に低下すると此れを検出し、該排気扇
５ｎ〜５ｏ毎に故障ｆＪ号を発信する。As described in the section of the prior art, the exhaust fan monitoring unit 3 monitors the rotation speed of each exhaust fan 5n to 5n, and detects this when the rotation speed falls below a specified range. Then, a failure number fJ is transmitted for each of the exhaust fans 5n to 5o.
回転側’＜’ＪＯ部６は正常時、各排気扇５１〜５１に
対し規定の回転数Ｎ０で動作するのに必要な駆動電圧Ｖ
。を供給している。When the rotating side '<' JO part 6 is normal, the drive voltage V required for each exhaust fan 51 to 51 to operate at a specified rotation speed N0 is applied.
. is supplied.
今何等かの理由により排気扇５１〜５１の内の一台、例
えば排気扇５１が故障して回転数が低下したとする。Suppose now that for some reason one of the exhaust fans 51 to 51, for example, the exhaust fan 51, breaks down and its rotational speed drops.
排気扇監視部３は排気扇５ｎの回転数が規定の範囲以下
になったことを検出し、回転制御部６に対して排気扇５
１の故障信号を発信する。The exhaust fan monitoring unit 3 detects that the rotation speed of the exhaust fan 5n has fallen below a specified range, and instructs the rotation control unit 6 to control the exhaust fan 5n.
1 fault signal is sent.
回転制御部６は此の故障信号を受信すると、直ちに７報
を発信して保守具に通知すると共に正常動作中の排気扇
５ｎ〜５ｏに対する供給電圧を電圧Ｖ０から電圧Ｖａに
上昇する。When the rotation control unit 6 receives this failure signal, it immediately sends a 7 report to notify the maintenance tool and increases the voltage supplied to the normally operating exhaust fans 5n to 5o from the voltage V0 to the voltage Va.
このため排気扇５ｎ〜５ｎ、は夫々其の回転数がＮｏか
らＮ、へ上昇する。Therefore, the rotational speed of each of the exhaust fans 5n to 5n increases from No to N.
此の状態で動作している排気扇５１〜５ｎ．の中から更
に故障が発生し、排気扇監視部３が第２の故障信号を発
信し、而も其の個数が所定値以上になった時、回転制御
部６は電源盤２に対し電源断を要求する信号を出し、電
源盤２は此の電源断を要求する信号を受信すると、装置
１に対する電源供給を停止する。The exhaust fans 51 to 5n operating in this state. When another failure occurs in the exhaust fan monitoring unit 3 and the number of exhaust fans exceeds a predetermined value, the rotation control unit 6 instructs the power supply panel 2 to turn off the power. When the power supply board 2 receives the signal requesting power-off, it stops supplying power to the device 1.
第３図は本発明に依る排気扇の制御方式の別の一実施例
を示す図である。FIG. 3 is a diagram showing another embodiment of the exhaust fan control method according to the present invention.
図中、５５１〜５ ｓｍは予備の排気扇、７は比較器で
ある。In the figure, 551 to 5 sm are spare exhaust fans, and 7 is a comparator.
本発明では排気扇５１〜５゜に対し、ｍ台の予備の排気
扇５ｎ〜５ｎを付加する。In the present invention, m spare exhaust fans 5n to 5n are added to the exhaust fans 51 to 5°.
従って正常時、装置１内で稼動している排気扇の台数は
（ｍ＋ｎ）台となり、排気扇監視部３はυト気扇５ｎ〜
５ｏ、及び予備排気扇５１１〜５ ｓｍの回転数を監視
し、其の回転数が規定の範囲以下に落らると、故障信号
を発生する。Therefore, under normal conditions, the number of exhaust fans operating in the device 1 is (m+n), and the exhaust fan monitoring unit 3
5o and the preliminary exhaust fans 511 to 5sm are monitored, and if the rotation speed falls below a specified range, a failure signal is generated.
比較器７は故障信号を発生した排気扇の台数が予０ｉｉ
ｉ’ＪＤ気扇５ ｓ１〜５ Ｓｍの台数ｍに等しいか又
は大きい時、電ｔＸ盤２に対し電源断を要求する信号を
出し、電１ｆｆｉ２は此の電源断を要求する信号を受信
すると、装置１に対する電源供給を停止する。Comparator 7 indicates that the number of exhaust fans that have generated a failure signal is 0ii
i'JD air fan 5 s1 to 5 When equal to or larger than the number m of Sm, a signal is sent to the electric tX board 2 requesting to turn off the power, and when the electric fan 1ffi2 receives this signal requesting to turn off the power, The power supply to the device 1 is stopped.
第４図は本発明に依る排気扇の制御方式の更に別の一実
施例を示す図である。FIG. 4 is a diagram showing still another embodiment of the exhaust fan control method according to the present invention.
図中、８は比較器￥に器である。In the figure, 8 is a comparator.
本発明では第３図の場合と同じく排気扇５１〜５７に対
し予備の排気Ｂ ５ ｓＩ〜５ ｉｎを付加する。In the present invention, as in the case of FIG. 3, a preliminary exhaust air B 5 sI-5 inches is added to the exhaust fans 51-57.
従って装置１内で正常時、稼動している排気扇の台数は
（ｍ＋ｎ）台となり、排気扇監視部３は排気扇５１〜５
ｏ、及び予備排気扇５５ｎ〜５３．の回転数を監視し、
其の回転数が規定の範囲以下に落ちると、故障信号を発
生する。Therefore, the number of exhaust fans operating in the device 1 during normal operation is (m+n), and the exhaust fan monitoring unit 3
o, and preliminary exhaust fans 55n to 53. monitor the rotation speed of
If its rotational speed falls below a specified range, a fault signal is generated.
比較Ｖ報器８は排気扇監視部３からの故障信号を受信し
、若し故障信号を発生した排気扇の台数が予備の排気扇
５ｎ〜５ｎの台数ｍより少ない時は警報を発して保守員
に通知する。更に装置１内のソフトウェアを動作させる
ことにより１９１？出力を出させる。The comparison V alarm device 8 receives a failure signal from the exhaust fan monitoring unit 3, and if the number of exhaust fans that have generated a failure signal is less than the number m of spare exhaust fans 5n to 5n, it issues an alarm and performs maintenance. Notify staff. Furthermore, by operating the software in the device 1, 191? Make the output appear.
故障信号を発生した排気扇の台数が予備の排気扇５ｎ１
〜５３．の台数ｍに等しいか又は大きい時、電源盤２に
対し電源断を要求する信号を出し、電′６ｇ、盤２は此
の電源断を要求する信号を受信すると、装置に対する電
源供給を停止する。The number of exhaust fans that generated a failure signal is 5n1 as spare exhaust fans.
~53. is equal to or larger than the number m of units, a signal is sent to the power supply panel 2 requesting power off, and when the power supply panel 2 receives this signal requesting power off, it stops supplying power to the device. .
尚最近の排気扇には自己の回転数を監視する機能を有す
るものがある。此の場合、排気扇監視部 ３は不用と
なり、排気扇が出力するアラーム信号を直接回転制御部
６、比較器７、比較警報器８に人力すれば良い。Some recent exhaust fans have a function of monitoring their own rotational speed. In this case, the exhaust fan monitoring section 3 is not required, and the alarm signal outputted by the exhaust fan can be directly sent manually to the rotation control section 6, the comparator 7, and the comparison alarm 8.
以上詳細に説明した様に本発明によれば、装置全体の信
頼性が大幅に向上すると云う大きい効果がある。As described above in detail, the present invention has the great effect of significantly improving the reliability of the entire device.
第１図は本発明の原理図である。
第２図は本発明に依る排気扇の制御方式の一実施例を示
す図である。
第３図は本発明に依る排気扇の制御方式の別の一実施例
を示す図である。
第４図は本発明に依る排気扇の制御方式の更に別の一実
施例を示す図である。
第５図は従来の排気扇の制御方式の一例を示す図である
。
図中、１は装置、２は電ａ盤、３は排気扇監視部、４は
制御部、５１〜５ｎは夫々排気扇、５ｎ。
〜５ｎ１は予備の排気扇、６は回転制御部、７は比較器
、８は比較警報器である。
浮べし明へよる徘に７ｍの宙）摂ｐ方ム；の一欠り＄伜
）第 ２ （２）
め３図FIG. 1 is a diagram showing the principle of the present invention. FIG. 2 is a diagram showing an embodiment of the exhaust fan control method according to the present invention. FIG. 3 is a diagram showing another embodiment of the exhaust fan control method according to the present invention. FIG. 4 is a diagram showing still another embodiment of the exhaust fan control method according to the present invention. FIG. 5 is a diagram showing an example of a conventional exhaust fan control method. In the figure, 1 is a device, 2 is an electric panel A, 3 is an exhaust fan monitoring section, 4 is a control section, and 51 to 5n are exhaust fans, respectively, 5n. 5n1 is a spare exhaust fan, 6 is a rotation control unit, 7 is a comparator, and 8 is a comparison alarm. 7m in the air by the floating light) 2nd (2) 3rd figure
Claims (3)
つ前記各排気扇（５＿１〜５＿ｎ）の回転数を監視し、
前記回転数が規定範囲以下に低下した時、故障信号を発
信する排気扇監視部（３）を具備する装置（１）に於い
て、 前記排気扇監視部（３）から前記故障信号を受信した時
、警報信号を発信すると共に残余の前記排気扇（５＿１
〜５＿ｎ）の回転数を上昇させ、又は予め停止している
排気扇（５＿ｓ＿１〜５＿ｓ＿ｍ）を回転させ、前記排
気扇監視部（３）から所定個数以上の前記故障信号を受
信した時、電源供給を停止する回転制御部（６）を設け
ることを特徴とする排気扇の制御方式。(1) Using a plurality of exhaust fans (5_1 to 5_n) and monitoring the rotation speed of each of the exhaust fans (5_1 to 5_n),
In a device (1) comprising an exhaust fan monitoring unit (3) that transmits a failure signal when the rotation speed falls below a specified range, the failure signal is received from the exhaust fan monitoring unit (3). At the same time, an alarm signal is transmitted and the remaining exhaust fan (5_1
~5_n) or rotate the previously stopped exhaust fans (5_s_1 to 5_s_m), and when a predetermined number or more of the failure signals are received from the exhaust fan monitoring unit (3), power is supplied. A control method for an exhaust fan, characterized in that a rotation control section (6) for stopping the rotation is provided.
から発信した前記故障信号の数が特定数の排気扇（５＿
ｓ＿１〜５＿ｓ＿ｍ）の台数に等しいか又は大きい時、
電源供給を停止する比較器（７）を有するものであるこ
とを特徴とする特許請求の範囲第１項記載の排気扇の制
御方式。(2) The rotation control section (6) is connected to the exhaust fan monitoring section (3).
If the number of failure signals transmitted from a certain number of exhaust fans (5_
s_1 to 5_s_m) when equal to or larger than the number of units,
2. The exhaust fan control method according to claim 1, further comprising a comparator (7) for stopping power supply.
から発信した前記故障信号の数が前記特定数の排気扇（
５＿ｓ＿１〜５＿ｓ＿ｍ）の台数より少ない時は警報を
発し、前記特定数の排気扇（５＿ｓ＿１〜５＿ｓ＿ｍ）
の台数に等しいか又は大きい時、電源を停止する比較警
報器（８）を有するものであることを特徴とする特許請
求の範囲第１項記載の排気扇の制御方式。(3) The rotation control section (6) is connected to the exhaust fan monitoring section (3).
If the number of failure signals transmitted from the specified number of exhaust fans (
When the number of exhaust fans is less than the specified number (5_s_1 to 5_s_m), an alarm is issued and the specific number of exhaust fans (5_s_1 to 5_s_m) is
2. The control method for an exhaust fan according to claim 1, further comprising a comparison alarm (8) that stops the power supply when the number of exhaust fans is equal to or greater than the number of exhaust fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5947287A JPS63226552A (en) | 1987-03-13 | 1987-03-13 | Control system for exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5947287A JPS63226552A (en) | 1987-03-13 | 1987-03-13 | Control system for exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63226552A true JPS63226552A (en) | 1988-09-21 |
Family
ID=13114285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5947287A Pending JPS63226552A (en) | 1987-03-13 | 1987-03-13 | Control system for exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63226552A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04274394A (en) * | 1991-03-01 | 1992-09-30 | Fujitsu Ltd | Cooler |
-
1987
- 1987-03-13 JP JP5947287A patent/JPS63226552A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04274394A (en) * | 1991-03-01 | 1992-09-30 | Fujitsu Ltd | Cooler |
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