JP6062095B1 - Instruction device for ship propulsion engine - Google Patents

Abstract

Provided is a means for a ship operator to easily know the amount of fuel oil consumed during navigation of a ship during the operation of the ship. A control unit 12 of a pointing device 1 includes a calculation means 125 for calculating a moving average of fuel oil consumption of a propulsion engine 701 measured by a flow meter 709, and a moving average of fuel oil consumption is a predetermined threshold value. Detecting means 126 for detecting that the vehicle has exceeded a predetermined time length, and specifying means for specifying an operation instruction for the governor 706 recommended for efficient fuel oil consumption in response to detection by the detecting means 126. 127. The display unit 111 of the user interface 11 displays the result of the calculation by the calculation unit 125, the detection result by the detection unit 126, and information related to the operation instruction for the recommended governor 706 specified by the specifying unit 127. [Selection] Figure 2

Description

  The present invention relates to an instruction device that gives an operation instruction to a governor that controls the rotation speed of a propulsion engine of a ship.

  There is an instruction device called a remote controller which is arranged in a bridge or a control room and gives an operation instruction to a propulsion engine of a ship in accordance with an operation of a ship operator.

  For example, Patent Document 1 describes an engine remote control control device that performs drive control of a main engine according to an operation performed by a driver on a control handle and includes a display with a touch panel that indicates the state of the main engine. Yes. In the engine remote control control device described in Patent Document 1, when the operator inputs a desired shaft speed on a predetermined screen displayed on a touch panel display, for example, the input shaft speed is input to the central controller. The operation of the main engine is controlled by the central controller so that the set shaft speed is set.

JP 7-277283 A

  Many of existing remote controllers for ships give an operation instruction including a set value of the rotational speed designated by the operator to the governor that controls the rotational speed of the propulsion engine. The governor controls the fuel oil consumption of the propulsion engine so that the rotation speed of the propulsion engine approaches the set value included in the operation instruction. In addition, many remote controllers display the current rotation speed of the propulsion engine on the display unit. The ship operator checks whether or not the propulsion engine is operating correctly at the set rotation speed by checking the display unit of the remote controller.

  In recent years, there is a tendency that exhaust gas regulations on the ocean are strengthened in order to preserve the air environment and reduce global warming. If the information about the amount of fuel oil that the ship consumes while navigating naturally enters the eyes of the ship operator, the ship operator will try to operate the ship to bring about efficient fuel oil consumption, and as a result, wasteful exhaust gas is emitted. Is reduced.

  SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a means for a ship operator to easily know the amount of fuel oil consumed as a ship navigates during ship operation.

The present invention provides, in a first aspect, the instructions comprise a row intends instructing means an operation instruction so to governor for controlling the rotational speed of the propulsion engine of a ship falls within a certain range the rotational speed is set in the propulsion engine an apparatus comprising: rotational speed data indicating the rotational speed of the propulsion engine, an acquisition unit configured to acquire fuel consumption data indicating fuel consumption of the propulsion engine, information about the rotational speed the shown rotational speed data Display means for displaying information related to fuel oil consumption indicated by the fuel oil consumption data, time measuring means for measuring an elapsed time from a reference time, fuel oil consumption indicated by the fuel oil consumption data, and Calculating means for calculating the fuel oil consumption per unit time using the elapsed time measured by the time measuring means, the display means and the fuel oil consumption per unit time calculated by the calculation means Suggest indicating device for displaying the time-series change in the fuel consumption per unit specified time by the the elapsed time measured by the time means.

The present invention provides a second aspect, intends row operation instructions to be within a certain range in which the fuel oil consumption of the propulsion engine is set to a governor for controlling the rotational speed of the propulsion engine of a ship indicated Means for obtaining rotation speed data indicating the rotation speed of the propulsion engine, acquisition means for acquiring fuel oil consumption data indicating the fuel oil consumption of the propulsion engine, and the rotation speed data information about the rotational speed, comprising a display means for displaying information about the fuel consumption indicated by the fuel consumption data, and a timer means for measuring a time elapsed from the reference time, the display means the rotational speed data The indication device which displays the time series change of the rotation speed specified by the rotation speed indicated by and the elapsed time measured by the time measuring means is proposed .

In the first aspect of the present invention, a detection means for detecting that a value relating to the value or amount of change in the fuel oil consumption to fuel oil consumption indicated before Symbol fuel consumption data exceeds the threshold value, A configuration in which a notification unit that performs notification according to detection by the detection unit is provided may be adopted as the third aspect.

Further, in the second aspect of the present invention, the instruction means instructs the governor to operate so that the fuel oil consumption of the propulsion engine is within a set fixed range, and the rotation speed data indicates A configuration comprising a detection unit that detects that a value related to the rotation speed or a value related to the amount of change in the rotation speed exceeds a threshold value, and a notification unit that performs notification according to detection by the detection unit is a fourth aspect. May be employed.

Further, in the third or fourth aspect of the present invention, there is provided a specifying unit that specifies a recommended operation instruction for the governor according to detection by the detection unit, and the display unit relates to the recommended operation instruction. A configuration of displaying information may be employed as the fifth aspect.

Further, in the fifth aspect of the present invention, the instruction means performs the recommended operation instruction to the governor when an instruction to execute the recommended operation instruction is issued from a ship operator. May be employed as the sixth aspect.

Further, in any one of the third to fifth aspects of the present invention, it further includes a specifying unit that specifies a recommended operation instruction for the governor according to detection by the detection unit, and the instruction unit is provided for the governor. The configuration in which the recommended operation instruction is performed may be adopted as the seventh aspect.

  According to the present invention, the ship operator naturally sees the information regarding the consumption amount of the fuel oil when confirming the information regarding the rotation speed of the propulsion engine during the ship operation. As a result, the ship operator is determined to operate the ship to efficiently consume fuel oil, and as a result, wasteful exhaust gas emissions are reduced.

The figure which showed the structure (part relevant to an instruction | indication apparatus) of the ship by which the instruction | indication apparatus concerning one Embodiment is mounted. The figure which showed the structure of the instruction | indication apparatus concerning one Embodiment. The figure which showed the external appearance of the user interface concerning one Embodiment. The figure which showed the external appearance of the user interface concerning one Embodiment.

[Embodiment]
The pointing device 1 according to one embodiment of the present invention will be described below. The indicating device 1 is a device generally called a remote controller that is mounted on a ship and issues an operation instruction to a governor that controls the rotational speed of a propulsion engine of the ship. FIG. 1 is a diagram schematically showing a portion related to the pointing device 1 in the configuration of the ship 7 on which the pointing device 1 is mounted.

  The ship 7 includes a hull 700, a propulsion engine 701 mounted on the hull 700, a fuel oil tank 702 that stores fuel oil supplied to the propulsion engine 701, and fuel supplied from the fuel oil tank 702 to the propulsion engine 701. An oil supply pipe 703 that forms an oil movement path, a shaft 704 that is rotationally driven by the operation of the propulsion engine 701, and an end portion of the shaft 704 that protrudes outside the hull 700 and rotates as the shaft 704 rotates. Propeller 705 is provided.

The propulsion engine 701 is provided with a governor 706 for controlling the rotation speed of the propulsion engine 701 and a tachometer 707 for measuring the rotation speed (unit: “min ⁻¹ ”) of the propulsion engine 701. Note that at least one of the governor 706 and the tachometer 707 may be built in the propulsion engine 701.

  The governor 706 controls the rotational speed of the propulsion engine 701 by controlling the amount of fuel oil injected in the propulsion engine 701. In the following description, the governor 706 has a constant rotation speed mode for controlling the fuel oil injection amount in the propulsion engine 701 so that the propulsion engine 701 operates at a rotation speed within a predetermined fixed range. The fuel oil consumption constant mode for controlling the fuel oil injection amount in the propulsion engine 701 so that the propulsion engine 701 operates with the fuel oil consumption within the range operates in one of the operation modes selected by the operator. It shall be.

  Note that the governor 706 may be operable only in one of the constant rotation speed mode and the constant fuel oil consumption mode.

  In the constant rotation speed mode, the governor 706 acquires rotation speed data indicating the result of measurement by the tachometer 707 from the tachometer 707, and the rotation speed (actual measurement value) of the propulsion engine 701 indicated by the rotation speed data is set by the operator. The fuel oil injection amount is increased or decreased so as to approach the set rotation speed (set value).

  The oil supply pipe 703 includes a pump 708 that moves fuel oil from the fuel oil tank 702 to the propulsion engine 701, and a flow rate of fuel oil that is input from the fuel oil tank 702 to the propulsion engine 701 (the unit is, for example, “L / hour” ”(Liters per hour)) is installed.

  The indicating device 1 is disposed on the bridge of the ship 7. A governor 706, a tachometer 707, and a flow meter 709 are connected to the indicating device 1.

  FIG. 2 is a diagram showing the configuration of the pointing device 1. The instruction device 1 includes a user interface 11 and a control unit 12. 3 and 4 are views showing the appearance of the user interface 11. The user interface 11 includes a touch display 101 and an operation lever 102. The “Do not change setting” button and the “Change setting” button displayed on the touch display 101 in FIGS. 3 and 4 are examples of virtual operators that accept the operation of the operator. In addition to the operation of moving the operation lever 102, the ship operator can change the setting value of the rotation speed and fuel oil consumption for the pointing device 1 by touch operation on a virtual operator displayed on the touch display 101. it can. Information displayed on the touch display 101 will be described later.

  The description of the configuration of the pointing device 1 will be continued with reference to FIG. The user interface 11 includes a display unit 111 and an operator 112 as functional configurations. The display unit 111 is realized by a display included in the touch display 101. As described above, the operation element 112 includes a virtual operation element displayed on the operation lever 102 and the touch display 101.

  The control unit 12 includes a data input / output interface 121, an instruction unit 122, a storage unit 123, a timing unit 124, a calculation unit 125, a detection unit 126, a specification unit 127, and a display screen generation unit 128.

  The data input / output interface 121 (an example of an acquisition unit) includes rotation speed data indicating the rotation speed (actual value) of the propulsion engine 701 output from the tachometer 707 and fuel of the propulsion engine 701 output from the flowmeter 709. Fuel oil consumption data indicating the oil consumption (actual measurement value) is received. Further, the data input / output interface 121 outputs instruction data indicating an operation instruction for the governor 706 generated by the instruction unit 122 to the governor 706.

  The instruction unit 122 includes an instruction unit 122 that gives an operation instruction to the governor 706 in response to an operation by the operator of the operator 112.

  More specifically, in the rotation speed constant mode, the instruction unit 122 generates instruction data indicating a new rotation speed setting value according to the operation of the operator 112 with respect to the operation element 112, and the generated instruction data is displayed. And output to the governor 706 via the data input / output interface 121. The instruction data is data for instructing the governor 706 to control the propulsion engine 701 so that the propulsion engine 701 operates at a constant rotational speed indicated by the instruction data, for example. It should be noted that the number of revolutions of the propulsion engine 701 during the navigation of the ship 7 constantly changes depending on various external environments (directions and strengths of tides, waves, winds, etc.). Accordingly, in the following description, it is assumed that the rotation speed set for the governor 706 is a single value, but the governor 706 rotates within a predetermined range (within a certain range) with the set value being a medium value. The operation of the propulsion engine 701 is controlled so as to be a number.

  In addition, in the fuel oil consumption constant mode, the instruction unit 122 generates instruction data indicating a new set value of the fuel oil consumption in response to an operation by the operator of the operator 112, and the generated instruction data is The data is output to the governor 706 via the data input / output interface 121. This instruction data is data for instructing the governor 706 to control the propulsion engine 701 so that the fuel oil is injected in the propulsion engine 701 at a constant fuel oil consumption indicated by the instruction data. . The fuel oil consumption set in the constant fuel oil consumption mode is also assumed to be one value, similar to the rotation speed set in the constant rotation speed mode. The operation of the propulsion engine 701 is controlled so that the fuel oil consumption is within a predetermined range of values (within a certain range).

  The storage unit 123 stores various data. The data stored in the storage means 123 includes, for example, the rotational speed data that the data input / output interface 121 continuously receives from the tachometer 707, and the fuel oil consumption that the data input / output interface 121 continuously receives from the flow meter 709. Data, data indicating the result of calculation performed by the calculation unit 125, data indicating the result of detection performed by the detection unit 126, and the like are included. Many of these various types of data are stored in the storage unit 123 as log data in association with time data indicating the time of acquisition or generation of the data.

  The time measuring means 124 continuously measures the elapsed time from the reference time, and generates time data indicating the current time. The time data included in the log data stored in the storage unit 123 is time data generated by the time measuring unit 124, for example.

  The calculation means 125 is configured to calculate the rotation speed (actual value) indicated by the rotation speed data received by the data input / output interface 121 from the tachometer 707 and the fuel oil consumption data received by the data input / output interface 121 from the flowmeter 709. A predetermined calculation is performed using at least one of the indicated fuel oil consumption (actually measured value) and the acquisition time (elapsed time from the reference time) of the data measured by the time measuring means 124.

  In the present embodiment, as an example, in the constant rotation speed mode, the calculation means 125 indicates the fuel oil consumption (actually measured value) indicated by the fuel oil consumption data acquired within the most recent predetermined time period. ) To calculate the fuel oil consumption (measured value) per unit time, and calculate the average value (moving average value) of the calculated fuel oil consumption (measured value) per unit time. Further, in the present embodiment, for example, in the fuel oil consumption constant mode, the calculating means 125, in the fuel oil consumption constant mode, shows the number of revolutions (actually measured value) indicated by the revolution number data acquired within the most recent predetermined time period. The average value (moving average value) is calculated.

  The detection means 126 is a value related to the rotational speed (actual value) indicated by the rotational speed data received by the data input / output interface 121 from the tachometer 707, or a value related to the amount of change in the rotational speed (actual value), or a data input / output The value related to the fuel oil consumption (measured value) indicated by the fuel oil consumption data received by the interface 121 from the flowmeter 709 or the value related to the change amount of the fuel oil consumption (actual value) satisfies a predetermined condition. If so, that is detected.

  In the present embodiment, as an example, in the constant rotation speed mode, the detection means 126 is a fuel oil consumption (actually measured value) per unit time obtained as a calculation result of the calculation means 125 every elapse of a predetermined time length. When the moving average value of exceeds a predetermined threshold continuously for a predetermined time length or more, it is detected. This detection means detection of inefficient fuel oil consumption.

  Further, in the present embodiment, as an example, in the fuel oil consumption constant mode, the detection unit 126 moves the rotational speed (actual value) obtained as the calculation result of the calculation unit 125 every elapse of a predetermined time length. When the average value continuously falls below a predetermined threshold for a predetermined time length or longer, it is detected. This detection also means detection of inefficient fuel oil consumption.

  The specifying unit 127 specifies a recommended operation instruction for the governor 706 according to the detection by the detecting unit 126. In the present embodiment, as an example, the specifying unit 127 rotates at the currently set rotation when the detecting unit 126 detects that inefficient fuel oil consumption is being performed in the constant rotation speed mode. A value obtained by reducing the number (set value) by a predetermined ratio is specified as a recommended rotation number (set value). That is, the specifying unit 127 specifies an operation instruction for controlling the rotation speed of the propulsion engine 701 with the recommended rotation speed (setting value) specified as described above as a recommended operation instruction.

  In the present embodiment, as an example, the specifying unit 127 is currently set when the detection unit 126 detects that inefficient fuel oil consumption is being performed in the fuel oil consumption constant mode. A value obtained by reducing the fuel oil consumption (setting value) being reduced by a predetermined ratio is specified as a recommended fuel oil consumption (setting value). That is, the specifying unit 127 specifies an operation instruction for controlling the fuel oil injection in the propulsion engine 701 with the recommended fuel oil consumption (set value) specified as described above as a recommended operation instruction.

  The display screen generation unit 128 is configured to display the rotational speed (actual value) indicated by the rotational speed data acquired by the data input / output interface 121 and the fuel oil consumption (shown by the fuel consumption data acquired by the data input / output interface 121). Actually measured value), moving average value of fuel oil consumption (actually measured value) per unit time (actually measured value) obtained as a result of calculation by calculating means 125, or moving average value of rotational speed (actually measured value) (fuel oil) A screen (hereinafter referred to as “monitor screen”) that displays information regarding each of the result of detection by the detection unit 126 and the recommended operation instruction for the governor 706 specified by the specification unit 127. Screen data to be represented is generated and delivered to the display unit 111. The display unit 111 displays a monitor screen according to the screen data generated by the display screen generation unit 128.

  The screen displayed on the touch display 101 in FIG. 3 and FIG. 4 is an example of a monitor screen represented by screen data generated by the display screen generating unit 128. The screen illustrated in FIG. 3 is a monitor screen displayed in the constant rotation speed mode, and the screen illustrated in FIG. 4 is a monitor screen displayed in the fuel oil consumption constant mode.

  In the area A1 of the monitor screen, the latest rotation speed (actual measurement value) indicated by the rotation speed data acquired by the data input / output interface 121 from the tachometer 707 and the fuel acquired by the data input / output interface 121 from the flowmeter 709 are displayed. The latest fuel consumption per unit time (actual value) calculated from the latest fuel oil consumption (actual value) indicated by the oil consumption data is displayed. In the area A1, the rotation speed (set value) set in the governor 706 is displayed in the constant rotation speed mode (see FIG. 3), and is set in the governor 706 in the fuel oil consumption constant mode. The amount of fuel oil consumed (set value) is displayed (see FIG. 4).

  In the area A2 of the monitor screen, the time series change of the result of the calculation by the calculation means 125 is displayed in a graph. That is, in the region A2, a time series change of the moving average value of the fuel oil consumption (actually measured value) per unit time is displayed in a graph in the constant rotation speed mode (see FIG. 3), and the constant fuel oil consumption mode In, the time-series change of the moving average value of the rotation speed (actually measured value) is displayed (see FIG. 4).

  The area A3 on the monitor screen is specified by the specifying unit 127 and a message for notifying the ship operator when the detecting unit 126 detects that inefficient fuel oil consumption is being performed. This is an area where a pop-up screen that displays a message that presents information regarding recommended operation instructions for the governor 706 is opened.

  On the pop-up screen displayed in the area A3, a “do not change setting” button and a “change setting” button are displayed. When the ship operator performs a touch operation on the “change setting” button, the instruction means 122 generates instruction data indicating a recommended setting value, and the generated instruction data is output to the governor 706. As a result, the vessel operator can instruct the governor 706 to execute the operation instruction recommended by the instruction device 1 more easily than operating the operation lever 102.

  When the position of the operation lever 102 needs to be a position corresponding to the rotation speed or fuel oil consumption set for the governor 706, the user interface 11 has an actuator for moving the operation lever 102 (FIG. 2). Are omitted). When the “change setting” button is touch-operated by the operator as described above and a new set value is set in the governor 706, the actuator moves the operation lever 102 to a position corresponding to the new set value. To do.

  The ship operator does not adopt the recommended setting values displayed on the pop-up screen as they are, but may want to set other setting values in the governor 706. In such a case, for example, the operator can perform a touch operation on the “do not change setting” button and close the pop-up screen, and then operate the operation lever 102 to set a desired setting value in the governor 706. it can. When the operator operates the operation lever 102, the instruction means 122 generates instruction data indicating a set value corresponding to the position of the operation lever 102, and the generated instruction data is output to the governor 706.

  As described above, in the instruction device 1, information related to the rotational speed of the propulsion engine 701 and information related to the amount of fuel oil consumed by the propulsion engine 701 are displayed on the monitor screen (see FIGS. 3 and 4). Therefore, according to the instruction device 1, the ship operator sees information on the fuel oil consumption of the propulsion engine 701 every time the monitor screen is viewed during ship operation. As a result, the ship operator is determined to operate the ship to efficiently consume fuel oil, and as a result, wasteful exhaust gas emissions are reduced.

  Further, in the indicating device 1, the time-series change of the moving average value of the fuel oil consumption (actually measured value) per unit time in the constant rotation speed mode, and the rotation speed in the constant fuel oil consumption mode. The time series change of the moving average value of (actually measured value) is displayed on the monitor screen. The ship operator can check these graphs to confirm whether or not efficient fuel oil consumption is being performed.

  In addition, in the pointing device 1, when it is detected that inefficient fuel oil consumption is being performed, this is notified to the ship operator by a message display, and a recommended operation for the governor 706 is also performed. An instruction, that is, a recommended rotational speed or fuel oil consumption set value for the governor 706 is displayed. Therefore, the ship operator can easily know when inefficient fuel oil consumption is detected, and can easily know the set value for the governor 706 that is desirable from the viewpoint of fuel oil consumption.

  Further, in the indicating device 1, when the operator wants to adopt the recommended rotation speed or fuel oil consumption set value for the governor 706 as it is, the operator can easily touch the “change setting” button or the like. The recommended setting value can be set in the governor 706 by the operation.

[Modification]
The above-described embodiments can be variously modified within the scope of the technical idea of the present invention. Examples of these modifications are shown below. These modifications may be combined as appropriate.

(1) In the above-described embodiment, the indication device 1 acquires rotation speed data directly from the tachometer 707. Instead of this, the instruction device 1 may acquire the rotation speed data via the governor 706.

(2) In the above-described embodiment, the pointing device 1 is disposed on the bridge. The arrangement position of the indicating device 1 in the ship 7 is not limited to this. For example, the pointing device 1 may be disposed in the control room. In addition, the pointing device 1 may be disposed at each of a plurality of locations on the ship 7. When a plurality of instruction devices 1 are arranged on the ship 7, only one of the plurality of instruction devices 1 is permitted to give instructions to the governor 706 so that contradictory instructions are not given to the governor 706 at the same time, or It is desirable to adopt a configuration in which priority is given to a plurality of instruction devices 1 and an instruction from the instruction device 1 having a higher priority is adopted when contradictory instructions are given.

(3) In the above-described embodiment, the pointing device 1 is assumed to be configured as one device. Instead of this, the pointing device 1 may be configured by a plurality of devices connected to each other. As an example of this modification, the user interface 11 and the control unit 12 may be configured as separate devices. In this case, the control unit 12 may be configured as a dedicated device or may be realized by a general-purpose computer performing processing according to a program.

  When the control unit 12 is realized by a general-purpose computer, a program for causing the computer to execute processing performed by each component (see FIG. 2) included in the control unit 12 is also an aspect of the present invention.

(4) Various data collected and generated by the pointing device 1 may be transmitted to a server device arranged on land via a communication satellite, for example. In addition, a configuration is adopted in which the server device distributes a monitor screen (see FIGS. 3 and 4) and log data in response to a request from a terminal device used by an operation manager of the ship 7 or an auditor of exhaust gas regulations. May be.

(5) In the above-described embodiment, the computing means 125 calculates the moving average value of the fuel oil consumption per revolution or unit time. The calculation performed by the calculation means 125 is not limited to this, and is performed using at least one of the rotation number indicated by the rotation number data and the fuel oil consumption amount indicated by the fuel oil consumption amount data, and the elapsed time. However, any calculation may be performed by the calculation means 125 as long as it helps the operator to determine whether or not the fuel oil consumption is efficiently performed in the navigation of the ship 7. For example, the calculation means 125 calculates the ratio of the fuel oil consumption per unit time calculated from the fuel oil consumption indicated by the fuel oil consumption data to the rotation speed indicated by the rotation speed data, and the moving average value thereof. May be adopted. In this case, the greater the ratio calculated by the calculation means 125, the more inefficient fuel oil consumption is performed.

(6) In the above-described embodiment, the detection means 126 continuously exceeds the predetermined threshold for a predetermined time length or more in the moving average value of the fuel oil consumption (measured value) per unit time in the constant rotation speed mode. By detecting this, it is detected that inefficient fuel oil consumption is being performed. The detecting means 126 is inefficient by detecting that the moving average value of the rotational speed (actually measured value) continuously falls below a predetermined threshold for a predetermined time length or longer in the fuel oil consumption constant mode. Detects that fuel oil consumption is occurring.

  The condition used by the detection means 126 to detect that inefficient fuel oil consumption is performed is not limited to this, and a value related to the rotational speed indicated by the rotational speed data or a value related to the amount of change in the rotational speed, or As long as it is detected that either the value related to the fuel oil consumption indicated by the fuel oil consumption data or the value related to the amount of change in the fuel oil consumption exceeds a predetermined threshold value, what condition is the detection means 126 May be used for detection.

  Examples of detection performed by the detection means 126 include, for example, detection that the instantaneous rotational speed (or rotational speed smoothed by a moving average or the like) is below a threshold, and instantaneous fuel oil consumption (or movement). Detecting that the fuel oil consumption per unit time smoothed by the average) exceeded the threshold, and the amount of change in the instantaneous rotational speed (or the smoothed rotational speed by the moving average, etc.) exceeded the threshold , Detection that the amount of change in fuel oil consumption per unit time (or fuel oil consumption per unit time smoothed by a moving average or the like) exceeds a threshold, and the like.

(7) In the above-described embodiment, the specifying unit 127 uses a value obtained by reducing the rotation speed (setting value) currently set for the governor 706 by a predetermined ratio in the constant rotation speed mode as the recommended rotation speed. It is specified as (set value). Further, the specifying unit 127 specifies a value obtained by reducing the currently set fuel oil consumption (set value) by a predetermined ratio in the fuel oil consumption constant mode as a recommended fuel oil consumption (set value). To do. As long as the recommended operation instruction for the governor 706 specified by the specifying unit 127 is a set value specified in accordance with detection by the detecting unit 126, the current set value is not limited to a value reduced by a predetermined ratio. For example, based on the navigation schedule of the ship 7, the specifying unit 127 recommends the rotation speed or the fuel oil consumption so that the low-speed navigation is performed as much as possible within the range that can be reached by the arrival date of the next port of call. It may be specified as a value. Further, the recommended operation instruction for the governor 706 may be specified according to a predetermined rule, or may be specified by, for example, artificial intelligence.

(8) In the ship 7 described above, the amount of fuel oil consumed by the propulsion engine 701 is measured by a flow meter 709 disposed in the oil supply pipe 703. The method for measuring the amount of fuel oil consumed by the propulsion engine 701 is not limited to this. For example, the amount of fuel oil consumed by the propulsion engine 701 is measured based on a change in liquid level measured by a liquid level measuring device that measures the level of fuel oil in the fuel oil tank 702. Also good.

(9) In the ship 7 described above, the rotational speed of the propulsion engine 701 is measured by a tachometer 707 disposed in the propulsion engine 701. The method for measuring the rotational speed of the propulsion engine 701 is not limited to this. For example, the rotational speed of the propulsion engine 701 may be measured by a tachometer that measures the rotational speed of the shaft 704.

(10) The method by which the tachometer 707 measures the rotation speed is not limited. For example, the rotation meter 707 includes a pulse meter that detects the rotation of the propulsion engine 701 and outputs a signal at the timing when the rotation is detected, and a counter that counts the number of signals output from the pulse meter every time a unit time elapses. May be.

  Similarly, the method by which the flow meter 709 measures the flow rate of the fuel oil is not limited. For example, as the flow meter 709, any of an electromagnetic flow meter, an ultrasonic flow meter, and the like may be employed. In the above-described embodiment, the flow meter 709 measures the fuel oil consumption per unit time (unit: litters / hour). Instead, the flow meter 709 is input to the propulsion engine 701. The amount of fuel oil (unit is litters, for example) may be measured. Further, the flow meter 709 may measure a cumulative value (unit is, for example, ton) of the amount of fuel oil introduced into the propulsion engine 701 after the past reference time.

(11) In the above-described embodiment, when it is detected by the detection means 126 that inefficient fuel oil consumption is being performed, this is notified by displaying a message on the display means 122. That is, in this case, the display unit 122 serves as a notification unit. In addition to or instead of this, a notification means for performing notification by a method other than display such as blinking of a lamp, sounding of an alarm sound, occurrence of vibration, or the like may be employed.

DESCRIPTION OF SYMBOLS 1 ... Instruction device, 7 ... Ship, 11 ... User interface, 12 ... Control unit, 101 ... Touch display, 102 ... Operation lever, 111 ... Display means, 112 ... Operator, 121 ... Data input / output interface, 122 ... Instructing means, 123 ... storage means, 124 ... timing means, 125 ... calculation means, 126 ... detection means, 127 ... identification means, 128 ... display screen generation means, 700 ... hull, 701 ... propulsion engine, 702 ... fuel oil tank, 703 ... Oil supply pipe, 704 ... Shaft, 705 ... Propeller, 706 ... Governor, 707 ... Tachometer, 708 ... Pump, 709 ... Flow meter

Claims (7)

A pointing device comprising a row intends instructing means an operation instruction so to governor for controlling the rotational speed of the propulsion engine of a ship falls within a certain range the rotational speed is set for the propulsion,
An acquisition means for acquiring rotation speed data indicating the rotation speed of the propulsion engine and fuel oil consumption data indicating fuel oil consumption of the propulsion engine;
Display means for displaying information relating to the rotational speed indicated by the rotational speed data, and information relating to the fuel oil consumption indicated by the fuel oil consumption data;
A time measuring means for measuring the elapsed time from the reference time;
Calculating means for calculating the fuel oil consumption per unit time using the fuel oil consumption indicated by the fuel oil consumption data and the elapsed time measured by the time measuring means;
The display means displays a time-series change in the fuel oil consumption per unit time specified by the fuel oil consumption per unit time calculated by the calculation means and the elapsed time measured by the time measuring means.
Instructions equipment. A pointing device comprising a row intends instructing means an operation instruction so that the fuel oil consumption of the propulsion engine to the governor for controlling the rotational speed of the propulsion system of the ship is within a certain range set,
An acquisition means for acquiring rotation speed data indicating the rotation speed of the propulsion engine and fuel oil consumption data indicating fuel oil consumption of the propulsion engine;
Display means for displaying information relating to the rotational speed indicated by the rotational speed data, and information relating to the fuel oil consumption indicated by the fuel oil consumption data;
A time measuring means for measuring the elapsed time from the reference time ;
With
The display means displays a time-series change in the rotational speed specified by the rotational speed indicated by the rotational speed data and the elapsed time measured by the time measuring means.
Instructions equipment. Detecting means for detecting that a value relating to the amount of change in the value or the fuel oil consumption to fuel oil consumption indicated before Symbol fuel consumption data exceeds the threshold value,
The pointing device according to claim 1 , further comprising: a notification unit that performs notification according to detection by the detection unit. Detecting means for detecting that the value for the previous SL value or amount of change in the rotational speed about the rotational speed indicated by the rotational speed data exceeds the threshold value,
The instruction device according to claim 2, further comprising: notification means for performing notification according to detection by the detection means. A specifying means for specifying a recommended operation instruction for the governor according to detection by the detecting means;
It said display means indicating device according to claim 3 or 4 for displaying information related to the recommended operating instructions. The instruction device according to claim 5 , wherein the instruction unit performs the recommended operation instruction to the governor when an instruction to execute the recommended operation instruction is issued from a ship operator. A specifying means for specifying a recommended operation instruction for the governor according to detection by the detecting means;
It said indicating means indicating device according to any one of claims 3 to 5 perform the recommended operating instruction to the governor.

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