JPH042875Y2 - - Google Patents
Info
- Publication number
- JPH042875Y2 JPH042875Y2 JP6566684U JP6566684U JPH042875Y2 JP H042875 Y2 JPH042875 Y2 JP H042875Y2 JP 6566684 U JP6566684 U JP 6566684U JP 6566684 U JP6566684 U JP 6566684U JP H042875 Y2 JPH042875 Y2 JP H042875Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- main engine
- variable pitch
- signal
- pitch propeller
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、可変ピツチプロペラ船にそなえられ
る主機関の回転数制御装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rotation speed control device for a main engine provided in a variable pitch propeller ship.
従来、デイーゼル機関を主機として軸発電機付
仕様とする船舶において、可変ピツチプロペラを
採用したものでは、第２図に示すように、軸発電
機付き主機関６の回転数を主機関制御器４におい
て設定し、主機関制御器４からの主機関回転数制
御信号ｂを、電気−空気変換器２を介して空気圧
式ガバナ３へ供給することにより、主機関６の回
転数を制御している。
Conventionally, in ships with a diesel engine as the main engine and a shaft generator equipped with a variable pitch propeller, as shown in FIG. The rotation speed of the main engine 6 is controlled by setting the main engine speed control signal b from the main engine controller 4 to the pneumatic governor 3 via the electric-air converter 2. .
さらに、可変ピツチプロペラ（CPP）７のプ
ロペラ角制御を行なうプロペラ角制御装置を内蔵
した可変ピツチプロペラ制御器（CPP制御器）
１が設けられており、この可変ピツチプロペラ制
御器１のプロペラ角制御用ポジシヨンからの油圧
制御信号ｆが可変ピツチプロペラ７に送られるよ
うになつている。 Furthermore, a variable pitch propeller controller (CPP controller) has a built-in propeller angle control device that controls the propeller angle of the variable pitch propeller (CPP) 7.
1 is provided, and a hydraulic control signal f from the propeller angle control position of the variable pitch propeller controller 1 is sent to the variable pitch propeller 7.
また、可変ピツチプロペラ制御器１は、プロペ
ラ角を制御する機能を有するプロペラ角制御装置
の外に、主機関６の回転数を一定値に制御するた
めの一定回転数設定信号ａを出力する機能もそな
えている。 In addition to being a propeller angle control device having a function of controlling the propeller angle, the variable pitch propeller controller 1 also has a function of outputting a constant rotation speed setting signal a for controlling the rotation speed of the main engine 6 to a constant value. It is also equipped with
そして、可変ピツチプロペラ７のプロペラ角制
御時には、可変ピツチプロペラ制御器１から、主
機関制御器４の出力である主機関回転数制御信号
ｂになりかわつて、機関定格回転数に相当する一
定回転数設定信号ａが、電気−空気変換器２を介
して空気圧式ガバナ３へ供給されるように構成さ
れている。 When controlling the propeller angle of the variable pitch propeller 7, the variable pitch propeller controller 1 replaces the main engine speed control signal b, which is the output of the main engine controller 4, with a constant rotation corresponding to the engine rated speed. A number setting signal a is arranged to be supplied to a pneumatic governor 3 via an electric-to-air converter 2.
すなわち、CPP制御器１から一定回転数設定
信号ａが出力されると、主機関制御器４からの主
機関回転数制御信号ｂはガバナ３に出力されずガ
バナ３は、主機関６を上記一定回転数設定信号ａ
の回転数（機関の定格回転数に相当する回転数）
で運転するように制御される。 That is, when the constant rotation speed setting signal a is output from the CPP controller 1, the main engine rotation speed control signal b from the main engine controller 4 is not output to the governor 3, and the governor 3 controls the main engine 6 at the above-mentioned constant speed. Rotation speed setting signal a
(revolutions equivalent to the rated engine speed)
controlled to drive.
ところで、上述の従来のものでは、可変ピツチ
プロペラ７のプロペラ角制御時、主機関６の回転
数設定が、主機関回転数制御信号ｂから、機関定
格回転数に相当する一定回転数設定信号ａへオペ
レータ（操作員）により切り換えられるのである
が、双方の信号ａ，ｂ間で設定値に差があつても
その偏差値が電気−空気変換器２を経由してただ
ちにガバナ３へ入力されるため、主機関６の回転
数を急激に変動させてしまうことになる。特に信
号ａ，ｂ間の差が大きいときには、主機関６の周
辺が危険な状態となる恐れがあり、また、航行
上、非常に危険な状態となる恐れがある。
By the way, in the above-mentioned conventional device, when controlling the propeller angle of the variable pitch propeller 7, the rotation speed setting of the main engine 6 is changed from the main engine rotation speed control signal b to the constant rotation speed setting signal a corresponding to the engine rated rotation speed. Even if there is a difference in the set values between both signals a and b, the deviation value is immediately input to the governor 3 via the electric-air converter 2. Therefore, the rotational speed of the main engine 6 will change rapidly. In particular, when the difference between signals a and b is large, there is a risk that the area around the main engine 6 will be in a dangerous situation, and there is also a risk that the navigation will be in a very dangerous situation.
このため、従来の可変ピツチプロペラ船の主機
関回転数制御装置では、オペレータが、主機関制
御器４の主機関回転数制御信号ｂを機関定格回転
数に相当する一定回転数設定信号ａと同一値に設
定する作業を行なつた後に、CPP制御器１によ
る回転数制御に切り換える操作を行なつている。 Therefore, in the conventional main engine speed control device of a variable pitch propeller ship, the operator sets the main engine speed control signal b of the main engine controller 4 to be the same as the constant speed setting signal a corresponding to the engine rated speed. After setting the value, an operation is performed to switch to rotation speed control by the CPP controller 1.
ところが、オペレータの錯覚や確認未了のまま
での回転数制御の切り換えが行なわれるという誤
操作がたびたび発生し、航行上危険な状態が発生
するという問題点がある。 However, there is a problem in that erroneous operations such as operator's illusion or switching of rotation speed control without confirmation occur frequently, resulting in dangerous navigational conditions.
本考案は、このような問題点を解消しようとす
るもので、誤操作による危険を除去できるように
した、可変ピツチプロペラ船の主機関回転制御装
置を提供することを目的とする。 The present invention is intended to solve these problems, and aims to provide a main engine rotation control device for a variable pitch propeller ship that can eliminate the danger of erroneous operation.
このため本考案の可変ピツチプロペラ船の主機
関回転数制御装置は、軸発電機付き主機関と可変
ピツチプロペラとをそなえた船舶において、上記
可変ピツチプロペラのプロペラ角を制御するプロ
ペラ角制御手段および主機関の回転数を一定値に
制御する一定回転数設定信号出力手段をそなえた
可変ピツチプロペラ制御器と、上記主機関の回転
数を検出する回転数検出器と、上記主機関の回転
数を制御する主機関回転数制御信号をガバナに出
力する主機関制御器と、上記主機関制御器からの
信号切り換えにより上記可変ピツチプロペラ制御
器から一定回転数設定信号が入力されたとき該一
定回転数設定信号と上記回転数検出器から入力さ
れる主機関回転数g0の検出信号との偏差を演算
し、この偏差を徐々に小さくして所定の時間を経
過した後に上記回転数g0が一定回転数設定信号に
対応する回転数a0に収束するように、上記一定回
転数設定信号を調整して上記ガバナに出力する回
転数信号調整器とをそなえたことを特徴としてい
る。
Therefore, the main engine rotation speed control device for a variable pitch propeller ship of the present invention provides a propeller angle control means for controlling the propeller angle of the variable pitch propeller in a ship equipped with a main engine with a shaft generator and a variable pitch propeller. a variable pitch propeller controller equipped with a constant rotation speed setting signal output means for controlling the rotation speed of the main engine to a constant value; a rotation speed detector for detecting the rotation speed of the main engine; A main engine controller outputs a main engine rotational speed control signal to the governor, and when a constant rotational speed setting signal is input from the variable pitch propeller controller by switching the signal from the main engine controller, the constant rotational speed is inputted from the variable pitch propeller controller. The deviation between the setting signal and the main engine rotation speed g 0 detection signal input from the rotation speed detector is calculated, and this deviation is gradually reduced until the rotation speed g 0 becomes constant after a predetermined period of time has elapsed. The present invention is characterized by comprising a rotation speed signal regulator that adjusts the constant rotation speed setting signal and outputs it to the governor so that the rotation speed converges to a rotation speed a 0 corresponding to the rotation speed setting signal.
上述の本考案の可変ピツチプロペラ船の主機関
回転数制御装置では、回転数信号調整器が、主機
関制御器からの信号切り換えにより上記可変ピツ
チプロペラ制御器から一定回転数設定信号が入力
されたとき該一定回転数設定信号と上記回転数検
出器から入力される主機関回転数g0の検出信号と
の偏差を演算し、この偏差を徐々に小さくして所
定の時間を経過した後に上記回転数g0が一定回転
数設定信号に対応する回転数a0に収束するよう
に、上記一定回転数設定信号を調整して上記ガバ
ナに出力する作用を行なう。
In the main engine rotation speed control device for a variable pitch propeller ship according to the present invention, the rotation speed signal regulator receives a constant rotation speed setting signal from the variable pitch propeller controller by switching the signal from the main engine controller. Then, the deviation between the constant rotation speed setting signal and the detection signal of the main engine rotation speed g0 input from the rotation speed detector is calculated, and this deviation is gradually reduced until the rotation speed is increased after a predetermined period of time has elapsed. The constant rotation speed setting signal is adjusted and output to the governor so that the number g 0 converges to the rotation speed a 0 corresponding to the constant rotation speed setting signal.
第１図は本考案の一実施例としての可変ピツチ
プロペラ船の主機関回転数制御装置の制御ブロツ
ク図であり、第１図中、第２図と同じ符号はほぼ
同様のものを示している。
Fig. 1 is a control block diagram of a main engine speed control device for a variable pitch propeller ship as an embodiment of the present invention, and in Fig. 1, the same symbols as in Fig. 2 indicate almost the same parts. .
本実施例でも、デイーゼル機関を主機としての
軸発電機付仕様とする船舶において、可変ピツチ
プロペラを採用したものでは、第１図に示すよう
に、軸発電機付き主機関６の回転数を主機関制御
器４において設定し、主機関制御器４からの主機
関回転数制御信号ｂを回転数信号調整器８で受け
て、回転数信号調整器８から電気−空気変換器２
へ信号ｃを出力して、さらに電気−空気変換器２
から空気圧式ガバナ３の回転数設定を行なう。 In this embodiment as well, in a ship that uses a diesel engine as the main engine and is equipped with a shaft generator, in which a variable pitch propeller is adopted, the rotational speed of the main engine 6 with the shaft generator is controlled as the main engine, as shown in FIG. The main engine speed control signal b is set in the engine controller 4, the main engine speed control signal b from the main engine controller 4 is received by the speed signal regulator 8, and the signal b is transmitted from the speed signal regulator 8 to the electric-air converter 2.
output the signal c to the electric-air converter 2.
The rotation speed of the pneumatic governor 3 is set from .
そして、ガバナ３により、主機関６の回転数が
制御される。 The governor 3 controls the rotation speed of the main engine 6.
さらに、可変ピツチプロペラ（CPP）７のプ
ロペラ角を制御する可変ピツチプロペラ制御器
（CPP制御器）１が設けられており、この可変ピ
ツチプロペラ制御器１のプロペラ角制御用ポジシ
ヨンからの油圧制御信号ｆが可変ピツチプロペラ
７に送られるようになつている。 Furthermore, a variable pitch propeller controller (CPP controller) 1 that controls the propeller angle of a variable pitch propeller (CPP) 7 is provided, and a hydraulic control signal from the propeller angle control position of the variable pitch propeller controller 1 is provided. f is sent to the variable pitch propeller 7.
さらに、可変ピツチプロペラ制御器１には、主
機関の回転数を一定値（定格値）に制御する一定
回転数設定信号ａを出力する一定回転数設定信号
出力装置が内蔵されており、この一定回転数設定
信号ａを回転信号調整器８へ供給し、電気−空気
変換器２を介してガバナ３へ供給する。 Furthermore, the variable pitch propeller controller 1 has a built-in constant rotation speed setting signal output device that outputs a constant rotation speed setting signal a that controls the rotation speed of the main engine to a constant value (rated value). A rotation speed setting signal a is supplied to a rotation signal regulator 8 and then to a governor 3 via an electric-air converter 2.
この一定回転数設定信号ａは、軸発電機の発電
周波数を一定に保てるように、主機関６の回転数
を一定回転数（定格回転数）に固定させる信号で
ある。 This constant rotation speed setting signal a is a signal that fixes the rotation speed of the main engine 6 to a constant rotation speed (rated rotation speed) so that the power generation frequency of the shaft generator can be kept constant.
さらに、主機関６の回転数を検出する回転数検
出器９が設けられており、この回転数検出器９で
検出した検出信号ｇは、回転数信号調整器８に入
力される。 Further, a rotation speed detector 9 for detecting the rotation speed of the main engine 6 is provided, and a detection signal g detected by the rotation speed detector 9 is input to the rotation speed signal regulator 8 .
本考案の可変ピツチプロペラ船の主機関回転数
制御装置は上述のごとく構成されているので、主
機関制御器４からの主機関回転数制御信号ｂに基
づいて主機関６を運転しているときに、可変ピツ
チプロペラ制御器１から一定回転数設定信号ａに
切り換えられると、回転数信号調整器８では、回
転数検出器９からの主機関回転数検出信号ｇと一
定回転数設定信号ａとの差が徐々に少なくなるよ
うに、その出力を調整する。 Since the main engine speed control device of the variable pitch propeller ship of the present invention is configured as described above, when the main engine 6 is operated based on the main engine speed control signal b from the main engine controller 4. When the variable pitch propeller controller 1 is switched to the constant rotation speed setting signal a, the rotation speed signal regulator 8 outputs the main engine rotation speed detection signal g from the rotation speed detector 9 and the constant rotation speed setting signal a. The output is adjusted so that the difference between the two gradually decreases.
すなわち主機関制御器４から主機関回転数制御
信号ｂがガバナ３に与えられて主機関６が運転さ
れているとき、CPP制御器１から主機関６の回
転数を一定の回転数（例えば定格回転数）に設定
する一定回転数設定信号ａが出力された場合、回
転数信号調整器８には、主機関回転数の検出信号
ｇが入力されており、回転数信号調整器８は、上
記一定回転数設定信号ａに相当する回転数a0と検
出信号ｇに相当する回転数g0との偏差を算出し、
この偏差を徐々に小さくして所定時間を経過した
後、g0＝a0となるように、一定回転数設定信号ａ
を調整してガバナに出力する。 That is, when the main engine speed control signal b is given from the main engine controller 4 to the governor 3 and the main engine 6 is operated, the CPP controller 1 controls the speed of the main engine 6 to a fixed speed (for example, the rated speed). When the constant rotation speed setting signal a to set the rotation speed) is output, the detection signal g of the main engine rotation speed is input to the rotation speed signal regulator 8, and the rotation speed signal regulator 8 Calculate the deviation between the rotation speed a 0 corresponding to the constant rotation speed setting signal a and the rotation speed g 0 corresponding to the detection signal g,
After a predetermined time has elapsed by gradually reducing this deviation, the constant rotation speed setting signal a is set so that g 0 = a 0 .
is adjusted and output to the governor.
すなわち、回転数信号調整器８では、予め設定
されている公知のプログラムにより、主機関６の
回転数が一挙に大幅に変動しないようにその出力
信号ｃを徐々に変動させる。 That is, the rotational speed signal regulator 8 gradually changes the output signal c according to a preset known program so that the rotational speed of the main engine 6 does not change drastically all at once.
徐々に変動された主機関６の回転数は、即時に
回転数検出器９から回転数信号調整器８へフイー
ドバツクされ、一定回転数設定信号ａが指定する
回転数まで安全に調整されるのである。 The gradually varied rotation speed of the main engine 6 is immediately fed back from the rotation speed detector 9 to the rotation speed signal regulator 8, and is safely adjusted to the rotation speed specified by the constant rotation speed setting signal a. .
以上詳述したように、本考案の可変ピツチプロ
ペラ船の主機関回転数制御装置によれば、軸発電
機付き主機関と可変ピツチプロペラとをそなえた
船舶において、上記可変ピツチプロペラのプロペ
ラ角を制御するプロペラ角制御手段および主機関
の回転数を一定値に制御する一定回転数設定信号
出力手段をそなえた可変ピツチプロペラ制御器
と、上記主機関の回転数を検出する回転数検出器
と、上記主機関の回転数を制御する主機関回転数
制御信号をガバナに出力する主機関制御器と、上
記主機関制御器からの信号切り換えにより上記可
変ピツチプロペラ制御器から一定回転数設定信号
が入力されたとき該一定回転数設定信号と上記回
転数検出器から入力される主機関回転数g0の検出
信号との偏差を演算し、この偏差を徐々に小さく
して所定の時間を経過した後に上記回転数g0が一
定回転数設定信号に対応する回転数a0に収束する
ように、上記一定回転数設定信号を調整して上記
ガバナに出力する回転数信号調整器とをそなえて
いるという簡素な構成で、誤操作により急激な変
動信号が入力されても、回転数信号調整器により
主機関の回転数を徐々に変動させることができる
利点があり、過渡的な調整動作による機関回転数
変動を解消でき、主機関周辺の危険の発生や航行
上の危険の発生が確実に防止される。
As detailed above, according to the main engine rotation speed control device for a variable pitch propeller ship of the present invention, in a ship equipped with a main engine with a shaft generator and a variable pitch propeller, the propeller angle of the variable pitch propeller can be controlled. a variable pitch propeller controller comprising propeller angle control means to control and constant rotation speed setting signal output means to control the rotation speed of the main engine to a constant value; a rotation speed detector for detecting the rotation speed of the main engine; The main engine controller outputs a main engine rotation speed control signal to the governor to control the rotation speed of the main engine, and a constant rotation speed setting signal is input from the variable pitch propeller controller by switching the signal from the main engine controller. The deviation between the constant rotation speed setting signal and the main engine rotation speed g 0 detection signal input from the rotation speed detector is calculated, and this deviation is gradually reduced until a predetermined period of time elapses. The device is equipped with a rotation speed signal regulator that adjusts the constant rotation speed setting signal and outputs it to the governor so that the rotation speed g 0 converges to the rotation speed a 0 corresponding to the constant rotation speed setting signal. The simple configuration has the advantage that even if a sudden fluctuation signal is input due to an erroneous operation, the rotation speed signal regulator can gradually change the main engine rotation speed. This will surely prevent the occurrence of dangers around the main engine and navigational dangers.
第１図は本考案の一実施例としての可変ピツチ
プロペラ船の主機関回転数制御装置の制御ブロツ
ク図であり、第２図は従来の可変ピツチプロペラ
船の主機関回転数制御装置の制御ブロツク図であ
る。
１……可変ピツチプロペラ制御器（CPP制御
器）、２……電気−空気変換器、３……ガバナ、
４……主機関制御器、６……軸発電機付き主機
関、７……可変ピツチプロペラ、８……回転数信
号調整器、９……回転数検出器。
FIG. 1 is a control block diagram of a main engine speed control device for a variable pitch propeller ship as an embodiment of the present invention, and FIG. 2 is a control block diagram of a main engine speed control device for a conventional variable pitch propeller ship. It is a diagram. 1... Variable pitch propeller controller (CPP controller), 2... Electricity-air converter, 3... Governor,
4... Main engine controller, 6... Main engine with shaft generator, 7... Variable pitch propeller, 8... Rotation speed signal regulator, 9... Rotation speed detector.
Claims (1)
そなえた船舶において、上記可変ピツチプロペラ
のプロペラ角を制御するプロペラ角制御手段およ
び主機関の回転数を一定値に制御する一定回転数
設定信号出力手段をそなえた可変ピツチプロペラ
制御器と、上記主機関の回転数を検出する回転数
検出器と、上記主機関の回転数を制御する主機関
回転数制御信号をガバナに出力する主機関制御器
と、上記主機関制御器からの信号切り換えにより
上記可変ピツチプロペラ制御器から一定回転数設
定信号が入力されたとき該一定回転数設定信号と
上記回転数検出器から入力される主機関回転数g0
の検出信号との偏差を演算し、この偏差を徐々に
小さくして所定の時間を経過した後に上記回転数
g0が一定回転数設定信号に対応する回転数a0に収
束するように、上記一定回転数設定信号を調整し
て上記ガバナに出力する回転数信号調整器とをそ
なえたことを特徴とする、可変ピツチプロペラ船
の主機関回転数制御装置。 In a ship equipped with a main engine with a shaft generator and a variable pitch propeller, propeller angle control means for controlling the propeller angle of the variable pitch propeller and constant rotation speed setting signal output means for controlling the rotation speed of the main engine to a constant value. a variable pitch propeller controller equipped with a variable pitch propeller controller, a rotation speed detector that detects the rotation speed of the main engine, and a main engine controller that outputs a main engine rotation speed control signal to a governor to control the rotation speed of the main engine. , when a constant rotation speed setting signal is input from the variable pitch propeller controller due to signal switching from the main engine controller, the main engine rotation speed g 0 input from the constant rotation speed setting signal and the rotation speed detector.
Calculate the deviation from the detection signal of
The invention is characterized by comprising a rotation speed signal regulator that adjusts the constant rotation speed setting signal and outputs it to the governor so that g 0 converges to the rotation speed a 0 corresponding to the constant rotation speed setting signal. , a main engine speed control device for variable pitch propeller ships.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566684U JPS60176998U (en) | 1984-05-04 | 1984-05-04 | Main engine speed control device for variable pitch propeller ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566684U JPS60176998U (en) | 1984-05-04 | 1984-05-04 | Main engine speed control device for variable pitch propeller ships |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60176998U JPS60176998U (en) | 1985-11-25 |
| JPH042875Y2 true JPH042875Y2 (en) | 1992-01-30 |
Family
ID=30597863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6566684U Granted JPS60176998U (en) | 1984-05-04 | 1984-05-04 | Main engine speed control device for variable pitch propeller ships |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176998U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4614920B2 (en) * | 2003-05-01 | 2011-01-19 | 株式会社小松製作所 | Tandem press line, operation control method for tandem press line, and work transfer device for tandem press line |
| JP4514733B2 (en) * | 2006-06-30 | 2010-07-28 | 株式会社小松製作所 | Control method of press machine |
| DK177460B1 (en) * | 2012-04-26 | 2013-06-17 | Man Diesel & Turbo Deutschland | Propulsion system for ships with a large turbocharged two-stroke piston engine with waste heat recovery and operation of the operating system |
-
1984
- 1984-05-04 JP JP6566684U patent/JPS60176998U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60176998U (en) | 1985-11-25 |
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