JPS6251756U - - Google Patents
Info
- Publication number
- JPS6251756U JPS6251756U JP14283285U JP14283285U JPS6251756U JP S6251756 U JPS6251756 U JP S6251756U JP 14283285 U JP14283285 U JP 14283285U JP 14283285 U JP14283285 U JP 14283285U JP S6251756 U JPS6251756 U JP S6251756U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- fan
- temperature
- speed information
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
第１図は本考案の第１の実施例によるフアンア
ラーム検出回路を示す図、第２図は本考案の第２
の実施例を示す図、第３図は従来のフアンアラー
ム検出回路を示す図、第４図はモノマルチ３０の
タイムチヤート、第５図は従来のフアンアラーム
検出回路のタイムチヤートである。
１０……フアン、２０……フイルター、３０…
…リトリガブルモノステーブルマルチバイブレー
タ（モノマルチ）、４０，４１，４２……サーミ
スタ。
FIG. 1 is a diagram showing a fan alarm detection circuit according to a first embodiment of the present invention, and FIG. 2 is a diagram showing a fan alarm detection circuit according to a first embodiment of the present invention.
FIG. 3 is a diagram showing a conventional fan alarm detection circuit, FIG. 4 is a time chart of the monomulti 30, and FIG. 5 is a time chart of a conventional fan alarm detection circuit. 10...fan, 20...filter, 30...
... Retriggerable monostable multi-vibrator (mono-multi), 40, 41, 42... thermistor.
Claims (1)
前記フアンの回転数情報を検出する回転数情報検
出手段と、 装置内の温度を検出する温度検出手段と、 フアンを含めた装置の異常の有無を決定するた
めの基準となる温度情報を前記温度検出手段の出
力に基づいて設定する温度情報設定手段と、 前記温度情報設定手段により設定された温度情
報と前記回転数情報検出手段により検出されたフ
アンの回転数情報を比較する比較手段とを具備し
たことを特徴とするフアンアラーム検出回路。[Scope of claim for utility model registration] In an alarm detection circuit for an equipment cooling fan,
A rotation speed information detection means for detecting rotation speed information of the fan; a temperature detection means for detecting the temperature inside the device; Temperature information setting means for setting based on the output of the detection means; and comparison means for comparing the temperature information set by the temperature information setting means and the rotation speed information of the fan detected by the rotation speed information detection means. A fan alarm detection circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14283285U JPS6251756U (en) | 1985-09-20 | 1985-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14283285U JPS6251756U (en) | 1985-09-20 | 1985-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251756U true JPS6251756U (en) | 1987-03-31 |
Family
ID=31051935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14283285U Pending JPS6251756U (en) | 1985-09-20 | 1985-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194469A (en) * | 1989-12-22 | 1991-08-26 | Matsushita Electric Ind Co Ltd | On-vehicle angular speed detecting device |
-
1985
- 1985-09-20 JP JP14283285U patent/JPS6251756U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194469A (en) * | 1989-12-22 | 1991-08-26 | Matsushita Electric Ind Co Ltd | On-vehicle angular speed detecting device |
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