CN106428454A - Deflection compensation method of pitch-up setting type ship draft detection system - Google Patents
Deflection compensation method of pitch-up setting type ship draft detection system Download PDFInfo
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- CN106428454A CN106428454A CN201610898421.XA CN201610898421A CN106428454A CN 106428454 A CN106428454 A CN 106428454A CN 201610898421 A CN201610898421 A CN 201610898421A CN 106428454 A CN106428454 A CN 106428454A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/12—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude for indicating draught or load
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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Abstract
The invention discloses a deflection compensation method of a pitch-up setting type ship draft detection system. The detection system comprises an ultrasonic sensor array, an automatic lifting module, an underwater pressure sensor module, a display module, a data acquisition and transmission module and a data processing module. The deflection compensation method includes the following steps that the automatic lifting module is built; the ultrasonic sensor array is built; the underwater pressure sensor module is built; the data processing module conducts analysis and calculation; the display module displays a calculation result. The ultrasonic sensor array is installed on a detection gate support of a rigid structure, and the middle of a detection gate possibly sinks to a certain degree under the influence of gravity. The deflection compensation algorithm is used, deflection influences of the detection gate are fully taken into consideration, compensation processing is conducted on detection of draft errors, so data is clearer and simpler, and measurement precision is greatly improved. The stability of the whole draft detection system is improved, and maintenance for future use is facilitated.
Description
Technical field
The present invention relates to the drinking water detection field of tested ship, particularly a kind of the inspection for sweeping formula drauht detecting system is faced upward
Survey method.
Background technology
In recent years, with the raising of navigable technique, Yangtze River shipping amount is in the trend of average annual growth, and its cargo transport exists
The developing status more and more higher of Chinese national economy.Thus it is guaranteed that the Changjiang river transport is unobstructed and safe most important.Existing face upward
Sweep formula drinking water detecting system and disembarkation detection can be realized using the hard-wired drinking water detecting system based on ultrasonic sensor, though
So real-time is relatively good, but when being continually changing with Various Seasonal water velocity, detection door produces amount of deflection, can bring system by mistake
Difference.The certainty of measurement of impact data and accuracy, the experimental data for obtaining and the value for being actually subjected to measure have a certain distance, unfavorable
Research further in experiment.
Content of the invention
For solving the problems referred to above of prior art presence, the present invention to design a kind of can improve accuracy of detection face upward the formula of sweeping
The deflection compensation method of drauht detecting system.
To achieve these goals, technical scheme is as follows：A kind of facing upward sweeps scratching for formula drauht detecting system
Degree compensation method, described detecting system includes array of ultrasonic sensors, automatic lifting module, Underwater Pressure sensor die
Block, display module, data acquisition transport module data processing module, described array of ultrasonic sensors is installed on detection door
On, for measuring the distance of detection door and tested ship；Described automatic lifting module be installed in navigation channel both sides on the bank from
Dynamic elevator, for adjusting the position in detection Men Shui；Described Underwater Pressure sensor assembly is mounted on detection door
Pressure transducer, for real-time monitoring SEA LEVEL VARIATION；Described display module is to provide interpersonal interactive interface accordingly, convenient
Tested ship is watched in the staff local farther out from test position and absorb water situation in real time；Described data processing module passes through
Data wire is connected with data acquisition transport module, for coming array of ultrasonic sensors and the transmission of Underwater Pressure sensor assembly
Data processed, calculate tested shipping draft；
Described deflection compensation method, comprises the following steps：
A, structure automatic lifting module；
By escalator installed in navigation channel both sides on the bank, automatic lifting module is constituted；By escalator and detection
Door is connected together with hawser, adjusts the position in detection Men Shui by escalator according to SEA LEVEL VARIATION；
B, structure array of ultrasonic sensors；
The M ultrasonic sensor towards the water surface is installed on detection door, array of ultrasonic sensors is constituted, if adjacent two
The distance between individual ultrasonic sensor is N, then i-th ultrasonic sensor with the distance of detection door high order end position is：
Si=N (i-1) i=1,2 ..., M
Detect that door total length is
S=(M-1) N
C, structure Underwater Pressure sensor assembly；
While installing P pressure transducer on detection door, if the distance between two neighboring pressure transducer is Q, then
J-th pressure transducer with detection door high order end position distance be
Xj=Q (j-1) j=1,2 ..., P
And N ＜ Q ＜ 2N meets the measurement requirement to detecting door attitude, the situation that amount of deflection change does not occur in detection door
Under, if j-th pressure transducer measure apart from water surface depth value bej, then the array for constituting is { H1,H2,H3,.....HP}.
After it there is amount of deflection change in detection door and in the case of having ship to pass through, if pressure transducer measure apart from water surface depth value
For dj, the array of composition is { d1,d2,d3,....dp, if Δ djFor pressure transducer degree of disturbing offset, then
Δdj=dj-Hj
D, data processing module are analyzed calculating；
Due to being affected by water level fluctuation and other factors, detection door can occur certain inclination；First do not have in detection door
In the case of producing amount of deflection, according to the measurement data of Underwater Pressure sensor, i-th ultrasound wave is calculated by data processing module
Sensor to the water surface distance be hi.When detection door occurs amount of deflection change, as array of ultrasonic sensors is Real-time Collection number
According to so when there is ship to pass through, being measured according to Underwater Pressure sensor, calculating supersonic sensing by data processing module
Device to bottom of ship actual range be Di.
As the distance between two neighboring ultrasonic sensor is that N, the distance between two neighboring pressure transducer is
Q, then distance ratio is N/P, according to similar triangle theory, to calculate i-th ultrasonic sensor by data processing module
Detection door deflection compensation value Δ Si, then
Finally, ship real draft depth value G is calculatediFor：
Gi=Δ Si+hi-Di
E, display module show result of calculation；
Display module passes through human-computer interaction interface, shows drinking water result of calculation in real time, carries to staff and inspection personnel
More easily to monitor.
Compared with prior art, advantages of the present invention is as follows：
1st, array of ultrasonic sensors is on the detection door bracket of rigid structural, and steel structure support itself has certain
Pliability, due to the impact of action of gravity, detect that door mid portion may have a certain degree of sinking.Prior art is not due to having
There is deflection compensation, it is impossible to which Accurate Estimation goes out the draft of ship.
The present invention utilizes deflection compensation algorithm, has taken into full account the deflection of detection door, to detecting draft error
Process is compensated, makes data become apparent from simply, substantially increasing certainty of measurement.
2nd, the present invention improves the stability of whole drinking water detecting system, and is conducive to the maintenance for using in the future.
Description of the drawings
The present invention has 6 width of accompanying drawing, wherein：
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the detection door location drawing in the case of theoretical value.
Fig. 3 is that detection door occurs amount of deflection variation diagram in practical situations both.
Fig. 4 is pressure transducer deflection compensation figure.
Fig. 5 is ultrasonic sensor deflection compensation figure.
Fig. 6 is the draft value figure of Ship '.
In figure：1st, automatic lifting module, 2, array of ultrasonic sensors, 3, Underwater Pressure sensor assembly, 4, at data
Reason module, 5, display module, 6, ship, 7, detection door, 8, data acquisition transport module.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further described through.As shown in figure 1, one kind is faced upward sweeps the detection of formula drauht
The deflection compensation method of system, described detecting system includes array of ultrasonic sensors 2, automatic lifting module 1, Underwater Pressure
Sensor assembly 3, display module 5,8 data processing module 4 of data acquisition transport module；As shown in Fig. 2 described ultrasound wave
Sensor array 2 is installed on detection door 7, for measuring the distance of detection door 7 and tested ship 6；Described automatic lifting mould
Block 1 is the escalator installed in navigation channel both sides on the bank, for adjusting detection position of the door 7 in water；As shown in figure 3, institute
The Underwater Pressure sensor assembly 3 that states is mounted in the pressure transducer on detection door 7, for real-time monitoring SEA LEVEL VARIATION；Institute
The display module 5 that states is to provide interpersonal interactive interface accordingly, convenient in the staff viewing local farther out from test position
Tested ship 6 absorbs water situation in real time；Described data processing module 4 is connected with data acquisition transport module 8 by data wire, is used
Array of ultrasonic sensors 2 and Underwater Pressure sensor assembly 3 are transmitted the data that comes processed, calculate tested ship
6 drafts；
Described deflection compensation method, comprises the following steps：
A, structure automatic lifting module 1；
By escalator installed in navigation channel both sides on the bank, automatic lifting module 1 is constituted；By escalator and detection
Door 7 is connected together with hawser, adjusts detection position of the door 7 in water according to SEA LEVEL VARIATION by escalator；
B, structure array of ultrasonic sensors 2；
The M ultrasonic sensor towards the water surface is installed on detection door 7, array of ultrasonic sensors 2 is constituted, if adjacent
The distance between two ultrasonic sensors are N, then i-th ultrasonic sensor with the distance of detection 7 high order end position of door is：
Si=N (i-1) i=1,2 ..., M
Detect that 7 total length of door is
S=(M-1) N
C, structure Underwater Pressure sensor assembly 3；
While installing P pressure transducer on detection door 7, if the distance between two neighboring pressure transducer is Q, then
J-th pressure transducer with detection 7 high order end position of door distance be
Xj=Q (j-1) j=1,2 ..., P
And N ＜ Q ＜ 2N meets the measurement requirement to detecting 7 attitude of door, the situation that amount of deflection change does not occur in detection door 7
Under, if j-th pressure transducer measure apart from water surface depth value bej, then the array for constituting is { H1,H2,H3......HP}.
After it there is amount of deflection change in detection door 7 and in the case of having ship 6 to pass through, if pressure transducer measure apart from water surface depth
It is worth for dj, the array of composition is { d1,d2,d3......dP, if Δ djFor pressure transducer degree of disturbing offset, as shown in figure 4, then
Δdj=dj-Hj
D, data processing module 4 are analyzed calculating；
Due to being affected by water level fluctuation and other factors, detection door 7 can occur certain inclination；First do not have in detection door 7
In the case of having generation amount of deflection, according to the measurement data of Underwater Pressure sensor, calculated by data processing module 4 and i-th surpass
Sonic sensor to the water surface distance be hi.When detection door 7 occurs amount of deflection change, as array of ultrasonic sensors 2 is real-time
Gathered data, so when there is ship 6 to pass through, measuring according to Underwater Pressure sensor, calculates excess of export by data processing module 4
Sonic sensor to 6 bottom of ship actual range be Di.
As the distance between two neighboring ultrasonic sensor is that N, the distance between two neighboring pressure transducer is
Q, then distance ratio is N/P, according to similar triangle theory, to calculate i-th ultrasonic sensor by data processing module 4
7 deflection compensation value Δ S of detection doori, as shown in figure 5, then
Finally, as shown in fig. 6, calculating 6 real draft depth value G of shipiFor：
Gi=Δ Si+hi-Di
E, display module 5 show result of calculation；
Display module 5 passes through human-computer interaction interface, shows drinking water result of calculation in real time, carries to staff and inspection personnel
More easily to monitor.
Below by way of accompanying drawing, deflection compensation beneficial effect is further described through：
As shown in Fig. 2 in the case of without Underwater Pressure sensor assembly 3, only ultrasonic sensor measurement detection
Door 7 not enough comprehensively, can be brought error to whole measurement, cannot more calculate deflection compensation value to the distance of the water surface.
As shown in figure 3, when having ship to pass through, ultrasonic sensor can only measure detection door 7 to the distance of bottom of ship.?
In the case of Underwater Pressure sensor assembly 3, it is impossible to the distance of the door 7 of measurement detection in real time to the water surface, and then can not be effective
Measurement shipping draft.
Claims (1)
1. a kind of face upward the deflection compensation method for sweeping formula drauht detecting system, described detecting system includes ultrasonic sensor
Array (2), automatic lifting module (1), Underwater Pressure sensor assembly (3), display module (5), data acquisition transport module (8)
Data processing module (4), described array of ultrasonic sensors (2) is installed in detection door (7), for measuring detection door
(7) distance with tested ship (6)；Described automatic lifting module (1) is the escalator installed in navigation channel both sides on the bank,
It is used for adjusting position of detection door (7) in water；Described Underwater Pressure sensor assembly (3) is mounted in detection door (7)
Pressure transducer, for real-time monitoring SEA LEVEL VARIATION；Described display module (5) is to provide interpersonal interactive interface accordingly,
Conveniently tested ship (6) being watched in the staff local farther out from test position absorbs water situation in real time；Described data processing
Module (4) is connected with data acquisition transport module (8) by data wire, for pressing array of ultrasonic sensors (2) and under water
The data that force transducer module (3) transmission comes are processed, and calculate tested ship (6) draft；
It is characterized in that：Described deflection compensation method, comprises the following steps：
A, structure automatic lifting module (1)；
By escalator installed in navigation channel both sides on the bank, automatic lifting module (1) is constituted；By escalator and detection door
(7) it is connected together with hawser, position of detection door (7) in water is adjusted by escalator according to SEA LEVEL VARIATION；
B, structure array of ultrasonic sensors (2)；
In detection door (7) M ultrasonic sensor towards the water surface of upper installation, array of ultrasonic sensors (2) is constituted, if adjacent
The distance between two ultrasonic sensors are N, then i-th ultrasonic sensor and the distance for detecting door (7) high order end position
For：
Si=N (i-1) i=1,2 ..., M
Detect that door (7) total length is
S=(M-1) N
C, structure Underwater Pressure sensor assembly (3)；
Upper in detection door (7) while install P pressure transducer, if the distance between two neighboring pressure transducer is Q, then the
J pressure transducer with detection door (7) high order end position distance be
Xj=Q (j-1) j=1,2 ..., P
And N ＜ Q ＜ 2N meets the measurement requirement to detecting door (7) attitude, and the situation of amount of deflection change does not occur in detection door (7)
Under, if j-th pressure transducer measure apart from water surface depth value bej, then the array for constituting is { H1,H2,H3,.....HP}；
After it there is amount of deflection change in detection door (7) and in the case of having ship (6) to pass through, if pressure transducer measure apart from the water surface
Depth value is dj, the array of composition is { d1,d2,d3,....dp, if Δ djFor pressure transducer degree of disturbing offset, then
Δdj=dj-Hj
D, data processing module (4) are analyzed calculating；
Due to being affected by water level fluctuation and other factors, detection door (7) can occur certain inclination；First do not have in detection door (7)
In the case of having generation amount of deflection, according to the measurement data of Underwater Pressure sensor, i-th is calculated by data processing module (4)
Ultrasonic sensor to the water surface distance be hi；When detection door (7) occurs amount of deflection change, due to array of ultrasonic sensors (2)
It is real-time data collection, so when there is ship (6) to pass through, being measured according to Underwater Pressure sensor, by data processing module
(4) calculate ultrasonic sensor to ship (6) bottom actual range be Di；
As the distance between two neighboring ultrasonic sensor is N, the distance between two neighboring pressure transducer is Q, then
Distance ratio is N/P, according to similar triangle theory, calculates i-th ultrasonic sensor by data processing module (4)
Detection door (7) deflection compensation value Δ Si, then
Finally, ship (6) real draft depth value G is calculatediFor：
Gi=Δ Si+hi-Di
E, display module (5) show result of calculation；
Display module (5) passes through human-computer interaction interface, shows drinking water result of calculation in real time, brings to staff and inspection personnel
More easily monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898421.XA CN106428454B (en) | 2016-10-14 | 2016-10-14 | It is a kind of to face upward the deflection compensation method for sweeping formula drauht detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898421.XA CN106428454B (en) | 2016-10-14 | 2016-10-14 | It is a kind of to face upward the deflection compensation method for sweeping formula drauht detecting system |
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| Publication Number | Publication Date |
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| CN106428454A true CN106428454A (en) | 2017-02-22 |
| CN106428454B CN106428454B (en) | 2018-07-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600356A (en) * | 2017-09-11 | 2018-01-19 | 大连海事大学 | A kind of face upward at a high speed sweeps formula drauht detecting system and its method of work |
| CN107600357A (en) * | 2017-09-11 | 2018-01-19 | 大连海事大学 | A kind of high accuracy, which is faced upward, sweeps formula drauht detecting system and its method of work |
| CN109733549A (en) * | 2019-03-22 | 2019-05-10 | 大连海事大学 | It is a kind of that formula drauht detection system and method are swept based on facing upward for flexible framework support |
| CN110097631A (en) * | 2019-04-08 | 2019-08-06 | 中国长江电力股份有限公司 | One kind, which is faced upward, sweeps formula ship 3 D model construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600356A (en) * | 2017-09-11 | 2018-01-19 | 大连海事大学 | A kind of face upward at a high speed sweeps formula drauht detecting system and its method of work |
| CN107600357A (en) * | 2017-09-11 | 2018-01-19 | 大连海事大学 | A kind of high accuracy, which is faced upward, sweeps formula drauht detecting system and its method of work |
| CN109733549A (en) * | 2019-03-22 | 2019-05-10 | 大连海事大学 | It is a kind of that formula drauht detection system and method are swept based on facing upward for flexible framework support |
| CN109733549B (en) * | 2019-03-22 | 2024-01-05 | 大连海事大学 | Upward sweeping type ship draft detection system and method based on flexible framework support |
| CN110097631A (en) * | 2019-04-08 | 2019-08-06 | 中国长江电力股份有限公司 | One kind, which is faced upward, sweeps formula ship 3 D model construction method |
| CN110097631B (en) * | 2019-04-08 | 2023-01-13 | 中国长江电力股份有限公司 | Upward-scanning ship three-dimensional model construction method |
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| CN106428454B (en) | 2018-07-03 |
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