CN105270579A - Ship liquid tank stability measuring system and measuring method - Google Patents
Ship liquid tank stability measuring system and measuring method Download PDFInfo
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- CN105270579A CN105270579A CN201510586855.1A CN201510586855A CN105270579A CN 105270579 A CN105270579 A CN 105270579A CN 201510586855 A CN201510586855 A CN 201510586855A CN 105270579 A CN105270579 A CN 105270579A
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Abstract
The invention discloses a ship liquid tank stability measuring system and a measuring method. The system comprises a liquid tank, a sensor connection pipe, a pressure sensor, a data processing unit, a signal output unit and a parameter setting and state displaying unit. The pressure sensor is communicated with the bottom of the liquid tank through a connection pipe; the data processing unit is respectively connected with the pressure sensor, the signal output unit and the parameter setting and state displaying unit through leads; and the signal output unit is connected with a computer in an external stability collecting system through a lead. The ship liquid tank stability measuring system disclosed by the invention has the advantages of simple structure, low manufacturing cost and convenience in use; as stability data processing is integrated in a measuring unit, the stability calculating task is moved forwards so that the data processing and programming workloads of a ship stability centralized control computer are greatly reduced; and meanwhile, the measuring accuracy and intelligent level of the measuring system are enhanced.
Description
Technical field
The present invention relates to a kind of boats and ships measuring device, specifically relate to a kind of marine hydraulic hold stability measurement system and method for measurement thereof.
Background technology
Stability of Ship is the important parameter concerning navigation safety, is to bear severe sea condition leeward surge tide the significant of ability to function to measure.Particularly in ship structure containing liquid tank time, because the change of the position of liquid tank in hull and liquid level thereof, center of gravity, free surface, volume of compartment is very large on the impact of Stability of Ship, so must special concern in ship design, manufacture and operation.
Due to the complexity of stability analysis, the main experience relying on driver in current ship's navigation, maintaining navigation safety by controlling ballast pumping system, when boats and ships are owed steady, can potential safety hazard be there is, when boats and ships are crossed steady, consumption of power can be increased owing to increasing running resistance.The invention of marine hydraulic hold stabilogauge will improve ship's navigation efficiency greatly, also can reduce the operating pressure of the personnel of driving after itself and ballast control system being networked, and provides technical guarantee for realizing navigation automatically.
Summary of the invention
Technical matters: the object of the invention is to improve ship's navigation efficiency, ensures navigation safety, provides a kind of marine hydraulic hold stability measurement system and method for measurement thereof.
Technical scheme: to achieve these goals, technical scheme of the present invention is:
A kind of marine hydraulic hold stability measurement system, be made up of liquid tank 1, sensor adapter 2, pressure sensor 3, data processing unit 4, signal output unit 5 and setting parameter and status display unit 6, described pressure sensor 3 is communicated with bottom liquid tank 1 by sensor adapter 2; Described data processing unit 4 is connected with status display unit 6 with pressure sensor 3, signal output unit 5, setting parameter respectively by wire; Described signal output unit 5 is connected with the computing machine in external stability acquisition system by wire.
Above-mentioned data processing unit 4 can be any one in programmable chip or micro controller system.
Above-mentioned signal output unit 5 can be the combination of any one in serial ports, network interface and USB port or multiple interfaces.
Above-mentioned parameter setting and status display unit 6 can be any one in touch-screen and panel computer.
To achieve these goals, another technical scheme of the present invention is:
A method of measurement for marine hydraulic hold stability measurement system, comprises the steps:
(1) measuring system is opened;
(2) by setting parameter and status display unit 6, the position of measured cabin in hull and cabin type geometric parameter and liquid physical property are carried out programming input;
(3) measuring system self-inspection, as fault alarm, carries out resetting after artificial investigation is repaired;
(4) data processing unit 4 calculates according to take off data;
(5) constantly current liquid tank stability parameter is refreshed in measurement process;
(6) terminate to measure.
The position of measured cabin in hull and cabin type geometric parameter and liquid physical property are carried out programming input by following flow process by above-mentioned steps (2) described setting parameter and status display unit 6:
Flow process 1, in input cabin fill the density of liquid;
Flow process 2, input cabin is relative to the centre of form coordinate of the hull centre of form;
Flow process 3, the volume of compartment curve of input cabin;
Flow process 4, the free surface curve of input cabin;
Flow process 5, the areal coordinates curve of input cabin;
Flow process 6, judges whether to modify to the input parameter of above-mentioned flow process 1 to flow process 5, if so, then Returning process 1, if not, then enters flow process 7;
Flow process 7, is saved in respective memory by the solidification of the input parameter of above-mentioned flow process 1 to flow process 5.
The calculation procedure of above-mentioned steps (3) described data processing unit 4 is programmed by following flow process:
Flow process 1) check that whether acquisition of signal Loop communication is normal, check whether pressure sensor exists fault, check that between each device, whether communication and output loop communication be normal;
Flow process 2) judge flow process 1) testing result, as there is exception, just enter flow process 3), as self-inspection is passed through, just enter flow process 4);
Flow process 3) instruction dependent failure, wait for the reset signal after artificial reparation;
Flow process 4) initialization is carried out to measuring system, namely put initial guess;
Flow process 5) read pressure sensor signal;
Flow process 6) read related setting parameter;
Flow process 7) calculate cabin liquid level according to pressure sensor signal and fluid density;
Flow process 8) calculate each stability parameter according to liquid level, i.e. volume of compartment, free surface, areal coordinates.
Flow process 9) refresh the stability parameter of corresponding register, for display with export, Returning process 5).
Beneficial effect: a kind of marine hydraulic hold stability measurement system of the present invention and method of measurement thereof, due to stability data process is integrated in measuring unit, makes stability calculation task move forward, and greatly reduces data processing and the programing work amount of Stability of Ship collection control computer.
System architecture of the present invention is simple, and low cost of manufacture is easy to use, survey precision and intelligent level high.
Accompanying drawing explanation
Fig. 1 is marine hydraulic hold stability measurement system construction schematic diagram;
Fig. 2 is setting parameter diagram of circuit;
Fig. 3 is flow chart of data processing figure;
Fig. 4 is volume of compartment curve synoptic diagram;
Fig. 5 is free surface curve synoptic diagram;
Fig. 6 is areal coordinates x curve synoptic diagram;
Fig. 7 is areal coordinates y curve synoptic diagram;
Fig. 8 is areal coordinates z curve synoptic diagram.
In figure: 1. liquid tank, 2. sensor adapter, 3. pressure sensor, 4. data processing unit, 5. signal output unit,
6. setting parameter and status display unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of marine hydraulic hold stability measurement system of the present invention is described further.
Figure 1 shows that a certain marine hydraulic hold stability measurement system, be made up of liquid tank 1, sensor adapter 2, pressure sensor 3, data processing unit 4, signal output unit 5 and setting parameter and status display unit 6, described pressure sensor 3 is communicated with bottom liquid tank 1 by sensor adapter 2; Described data processing unit 4 is connected with status display unit 6 with pressure sensor 3, signal output unit 5, setting parameter respectively by wire; Described signal output unit 5 is connected with the computing machine in external stability acquisition system by wire.
Above-mentioned data processing unit 4 selects certain type micro controller system.
Above-mentioned signal output unit 5 selects serial ports, network interface and USB port to combine.
Above-mentioned parameter setting selects certain type touch-screen with status display unit 6.
Above-mentioned marine hydraulic hold stability measurement system is measured as follows:
(1) measuring system is opened;
(2) by setting parameter and status display unit 6, the position of measured cabin in hull and cabin type geometric parameter and liquid physical property are carried out programming input;
(3) measuring system self-inspection, as fault alarm, carries out resetting after artificial investigation is repaired;
(4) data processing unit 4 calculates according to take off data;
(5) constantly current liquid tank stability parameter is refreshed in measurement process;
(6) terminate to measure.
The position of measured cabin in hull and cabin type geometric parameter and liquid physical property are carried out programming input (see Fig. 2) by following flow process by described setting parameter and status display unit 6:
Flow process S101, in input cabin fill the density of liquid.
Flow process S102, the centre of form coordinate (relative to the hull centre of form) of input cabin.
Flow process S103, the volume of compartment curve (see Fig. 4) of input cabin.
Flow process S104, the free surface curve (see Fig. 5) of input cabin.
Flow process S105, the centre coordinate curve (see Fig. 6, Fig. 7, Fig. 8) of input cabin.
Flow process S106, judges whether to modify to above-mentioned input, and if so, then Returning process S101, if not, then enters flow process S107.
Flow process S107, is saved in respective memory by above-mentioned input parameter solidification.
The calculation procedure of described data processing unit 4 is undertaken programme (see Fig. 3) by following flow process:
Flow process S201, measuring system obtain electric after carry out System self-test, check self whether normal operation, check that whether acquisition of signal Loop communication normal, check whether pressure sensor exists fault, check that between each device, whether communication and output loop communication normal.
Flow process S202, judges the testing result of flow process S201, as there is exception, just enters flow process S203, as self-inspection is passed through, just enters flow process S204;
Flow process S203, instruction dependent failure, waits for the reset signal after artificial reparation;
Flow process S204, carries out initialization (putting initial guess) to measuring system.
Flow process S205, reads pressure sensor signal.
Flow process S206, reads related setting parameter.
Flow process S207, calculates cabin liquid level according to pressure sensor signal and fluid density.
Flow process S208, calculates each stability parameter (volume of compartment, free surface, areal coordinates).
Flow process S209, refreshes the stability parameter (for display and output) of corresponding register, Returning process S205.
The above; for the present invention's preferably detailed description of the invention; when not deviating from the present invention's spirit and essence thereof; anyly be familiar with those skilled in the art; change and distortion when various corresponding equivalence can be made according to the present invention, all should belong to the protection domain of the claim appended by the present invention.
Claims (7)
1. a marine hydraulic hold stability measurement system, be made up of liquid tank (1), sensor adapter (2), pressure sensor (3), data processing unit (4), signal output unit (5) and setting parameter and status display unit (6), it is characterized in that: described pressure sensor (3) is communicated with liquid tank (1) bottom by sensor adapter (2); Described data processing unit (4) is connected with status display unit (6) with pressure sensor (3), signal output unit (5), setting parameter respectively by wire; Described signal output unit (5) is connected with the computing machine in external stability acquisition system by wire.
2. marine hydraulic hold stability measurement system according to claim 1, is characterized in that: described data processing unit (4) is programmable chip or micro controller system.
3. marine hydraulic hold stability measurement system according to claim 1, is characterized in that: described signal output unit (5) is serial ports, the combination of any one or more interface in network interface and USB port.
4. marine hydraulic hold stability measurement system according to claim 1, is characterized in that: described setting parameter and status display unit (6) are any one in touch-screen and panel computer.
5. a method of measurement for marine hydraulic hold stability measurement system according to claim 1, is characterized in that: comprise the steps:
(1) measuring system is opened;
(2) by setting parameter and status display unit 6, the position of measured cabin in hull and cabin type geometric parameter and liquid physical property are carried out programming input;
(3) measuring system self-inspection, as fault alarm, carries out resetting after artificial investigation is repaired;
(4) data processing unit 4 calculates according to take off data;
(5) constantly current liquid tank stability parameter is refreshed in measurement process;
(6) terminate to measure.
6. the method for measurement of marine hydraulic hold stability measurement system according to claim 5, is characterized in that: the setting parameter flow process described in step (2) is:
Flow process 1, in input cabin fill the density of liquid;
Flow process 2, input cabin is relative to the centre of form coordinate of the hull centre of form;
Flow process 3, the volume of compartment curve of input cabin;
Flow process 4, the free surface curve of input cabin;
Flow process 5, the areal coordinates curve of input cabin;
Flow process 6, judges whether to modify to the input parameter of above-mentioned flow process 1 to flow process 5, if so, then Returning process 1, if not, then enters flow process 7;
Flow process 7, is saved in respective memory by the solidification of the input parameter of above-mentioned flow process 1 to flow process 5.
7. the method for measurement of marine hydraulic hold stability measurement system according to claim 5, is characterized in that: the calculation procedure described in step (3) is programmed by following flow process:
Flow process 1) check that whether acquisition of signal Loop communication is normal, check whether pressure sensor exists fault, check that between each device, whether communication and output loop communication be normal;
Flow process 2) judge flow process 1) testing result, as there is exception, just enter flow process 3), as self-inspection is passed through, just enter flow process 4);
Flow process 3) instruction dependent failure, wait for the reset signal after artificial reparation;
Flow process 4) initialization is carried out to measuring system, namely put initial guess;
Flow process 5) read pressure sensor signal;
Flow process 6) read related setting parameter;
Flow process 7) calculate cabin liquid level according to pressure sensor signal and fluid density;
Flow process 8) calculate each stability parameter according to liquid level, i.e. volume of compartment, free surface, areal coordinates;
Flow process 9) refresh the stability parameter of corresponding register, for display with export, Returning process 5).
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| CN201510586855.1A CN105270579B (en) | 2015-09-15 | 2015-09-15 | A kind of marine hydraulic hold stability measurement system and its measuring method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140114A (en) * | 2017-05-27 | 2017-09-08 | 广船国际有限公司 | The processing method in insertion cabin during a kind of damaged hold Calculation of Stability |
| CN110341883A (en) * | 2019-07-25 | 2019-10-18 | 上海海事大学 | A kind of modification method of liquid tank free surface to vessel stability |
| CN110501964A (en) * | 2019-07-29 | 2019-11-26 | 刘行兵 | Apparatus control system and method |
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| CN2213683Y (en) * | 1994-08-19 | 1995-11-29 | 姜维尧 | Rock periodic automatic determine instrument of shipping |
| CN103984793A (en) * | 2014-03-21 | 2014-08-13 | 上海交通大学 | Method for predicting movement of FLNG (floating liquefied natural gas) by considering rocking influence of liquid cabin |
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2015
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| CN2213683Y (en) * | 1994-08-19 | 1995-11-29 | 姜维尧 | Rock periodic automatic determine instrument of shipping |
| CN103984793A (en) * | 2014-03-21 | 2014-08-13 | 上海交通大学 | Method for predicting movement of FLNG (floating liquefied natural gas) by considering rocking influence of liquid cabin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140114A (en) * | 2017-05-27 | 2017-09-08 | 广船国际有限公司 | The processing method in insertion cabin during a kind of damaged hold Calculation of Stability |
| CN110341883A (en) * | 2019-07-25 | 2019-10-18 | 上海海事大学 | A kind of modification method of liquid tank free surface to vessel stability |
| CN110341883B (en) * | 2019-07-25 | 2020-05-22 | 上海海事大学 | Method for correcting ship stability by using free liquid level of liquid tank |
| CN110501964A (en) * | 2019-07-29 | 2019-11-26 | 刘行兵 | Apparatus control system and method |
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| CN105270579B (en) | 2017-10-31 |
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Application publication date: 20160127 Assignee: Jiangsu Jingqi Technology Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020980007286 Denomination of invention: A measuring system and its measuring method for stability of marine liquid tank Granted publication date: 20171031 License type: Common License Record date: 20201029 |
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Assignee: Jiangsu Jingqi Technology Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020980007286 Date of cancellation: 20201223 |
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