JPH01125837U - - Google Patents
Info
- Publication number
- JPH01125837U JPH01125837U JP1988021457U JP2145788U JPH01125837U JP H01125837 U JPH01125837 U JP H01125837U JP 1988021457 U JP1988021457 U JP 1988021457U JP 2145788 U JP2145788 U JP 2145788U JP H01125837 U JPH01125837 U JP H01125837U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- pulse
- converts
- outputs
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
Description
第１図は本考案の第１実施例の構成説明図、第
２図は同第２実施例の構成説明図、第４図は従来
例の構成説明図、第３図は本考案の実施例および
従来例の各作動説明図である。
ＴＧ…ターニングギヤ、ＰＵ…パルス、ＳＥ…
センサ、ＦＶ…第１変換器、ＡＤ…第２変換器、
ＦＢ…実回転数、ＥＤ…検知器、ＭＥ…メモリ。
Fig. 1 is an explanatory diagram of the configuration of the first embodiment of the present invention, Fig. 2 is an explanatory diagram of the configuration of the second embodiment, Fig. 4 is an explanatory diagram of the configuration of the conventional example, and Fig. 3 is an explanatory diagram of the configuration of the second embodiment of the invention. and FIG. 7 is an explanatory diagram of each operation of a conventional example. TG...turning gear, PU...pulse, SE...
Sensor, FV...first converter, AD...second converter,
FB...actual rotation speed, ED...detector, ME...memory.
Claims (1)
パルスを発生するセンサと、そのパルスを周波数
／電圧変換してアナログ信号を出力する第１変換
器と、そのアナログ信号をデジタル信号に変換し
これを実回転数として出力する第２変換器と、を
備えた舶用主機関の回転数検出装置において、 上記パルスに同期してデジタル信号を実回転数
として抽出するように構成したことを特徴とする
舶用主機関の回転数検出装置。[Claims for Utility Model Registration] A sensor that detects the rotation of a turning gear of a marine main engine and generates a pulse, a first converter that converts the pulse into frequency/voltage and outputs an analog signal, and the analog signal. and a second converter that converts the signal into a digital signal and outputs it as the actual rotation speed. A rotation speed detection device for a marine main engine, characterized in that:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988021457U JPH01125837U (en) | 1988-02-19 | 1988-02-19 | |
| KR1019880013443A KR920002852B1 (en) | 1988-02-19 | 1988-10-14 | Revolution detecting device of main-engine for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988021457U JPH01125837U (en) | 1988-02-19 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125837U true JPH01125837U (en) | 1989-08-28 |
Family
ID=12055504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988021457U Pending JPH01125837U (en) | 1988-02-19 | 1988-02-19 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH01125837U (en) |
| KR (1) | KR920002852B1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159528A (en) * | 1978-06-07 | 1979-12-17 | Hitachi Ltd | Method of controlling engine |
| JPS6111440A (en) * | 1984-06-27 | 1986-01-18 | Nippon Soken Inc | Measuring method of output variation of internal-combustion engine |
| JPS6297016A (en) * | 1985-10-23 | 1987-05-06 | Nippon Carbureter Co Ltd | Engine control method |
-
1988
- 1988-02-19 JP JP1988021457U patent/JPH01125837U/ja active Pending
- 1988-10-14 KR KR1019880013443A patent/KR920002852B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159528A (en) * | 1978-06-07 | 1979-12-17 | Hitachi Ltd | Method of controlling engine |
| JPS6111440A (en) * | 1984-06-27 | 1986-01-18 | Nippon Soken Inc | Measuring method of output variation of internal-combustion engine |
| JPS6297016A (en) * | 1985-10-23 | 1987-05-06 | Nippon Carbureter Co Ltd | Engine control method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR890013483A (en) | 1989-09-23 |
| KR920002852B1 (en) | 1992-04-06 |