JPS5898437U - Fan belt abnormality alarm device - Google Patents
Fan belt abnormality alarm deviceInfo
- Publication number
- JPS5898437U JPS5898437U JP19541681U JP19541681U JPS5898437U JP S5898437 U JPS5898437 U JP S5898437U JP 19541681 U JP19541681 U JP 19541681U JP 19541681 U JP19541681 U JP 19541681U JP S5898437 U JPS5898437 U JP S5898437U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- fan belt
- abnormality alarm
- comparator
- belt abnormality
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はファン回転速度センサを用いた場合の本案装置
の系統図、第２図はウォーターポンプ回転速度センサを
用いた場合の本案装置の系統図である。
１・・・エンジン回転速度センサ、２，６・・・電圧変
換器、３・・・比較器、４．７・・・ＡＤ変換器、８・
・・電圧補正器、９・・・ファンベルト異状警報器、１
０・・・ウォーターポンプ回転速度センサ。FIG. 1 is a system diagram of the present device using a fan rotation speed sensor, and FIG. 2 is a system diagram of the present device using a water pump rotation speed sensor. DESCRIPTION OF SYMBOLS 1... Engine rotation speed sensor, 2, 6... Voltage converter, 3... Comparator, 4.7... AD converter, 8...
...Voltage corrector, 9...Fan belt abnormality alarm, 1
0...Water pump rotation speed sensor.
Claims (1)
の入力側の一端に接続するととも、ファン回転速度セン
サ５またはウォーターポンプ回転速度センサ１０と、電
圧変換器６と、前記電圧変換器６からの電圧をファンベ
ルト正常時の前記電圧変換器２からの電圧と同等になる
よう補正する電圧補正器８とを前記比較器３の入力側の
他端に接続し、前記比較器３の出力側とファンベルト異
常警報器９とを接続し、前記電圧変換器２からの電圧と
前記電圧補正器８からの電圧とに差異が生じたとき、比
較器３からの信号によりファンベルト異常警報器９を作
動させるようにしてなるファンベルト異常警報装置。A comparator 3 connects the engine rotation speed sensor 1 and the voltage converter 2.
is connected to one end of the input side of the fan rotation speed sensor 5 or the water pump rotation speed sensor 10, a voltage converter 6, and the voltage from the voltage converter 6 is connected to the voltage converter 2 when the fan belt is normal. A voltage corrector 8 that corrects the voltage to be equal to the voltage is connected to the other end of the input side of the comparator 3, and the output side of the comparator 3 is connected to the fan belt abnormality alarm 9. A fan belt abnormality alarm device that operates a fan belt abnormality alarm 9 by a signal from a comparator 3 when a difference occurs between the voltage from the converter 2 and the voltage from the voltage corrector 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19541681U JPS5898437U (en) | 1981-12-26 | 1981-12-26 | Fan belt abnormality alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19541681U JPS5898437U (en) | 1981-12-26 | 1981-12-26 | Fan belt abnormality alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5898437U true JPS5898437U (en) | 1983-07-04 |
Family
ID=30108693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19541681U Pending JPS5898437U (en) | 1981-12-26 | 1981-12-26 | Fan belt abnormality alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5898437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018200005A (en) * | 2017-05-25 | 2018-12-20 | ヤンマー株式会社 | Control device for work machine |
| JP2021050711A (en) * | 2019-09-26 | 2021-04-01 | いすゞ自動車株式会社 | Fan belt abnormality detection device |
-
1981
- 1981-12-26 JP JP19541681U patent/JPS5898437U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018200005A (en) * | 2017-05-25 | 2018-12-20 | ヤンマー株式会社 | Control device for work machine |
| JP2021050711A (en) * | 2019-09-26 | 2021-04-01 | いすゞ自動車株式会社 | Fan belt abnormality detection device |
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