CN107089299B - A kind of measuring system and its measurement method of ship inclination angle - Google Patents
A kind of measuring system and its measurement method of ship inclination angle Download PDFInfo
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- CN107089299B CN107089299B CN201710186255.5A CN201710186255A CN107089299B CN 107089299 B CN107089299 B CN 107089299B CN 201710186255 A CN201710186255 A CN 201710186255A CN 107089299 B CN107089299 B CN 107089299B
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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
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
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Abstract
The invention discloses the measuring systems and its measurement method of a kind of ship inclination angle, the measuring system includes: computer (1), signal receiving unit (2) and two gradient sensors (3) being installed on the deck of tested ship, wherein, computer (1) includes: processing unit (11), display unit (12) and input unit (13)；The output end of two gradient sensors (3) is connect with the input terminal of signal receiving unit (2) respectively；The output end of signal receiving unit (2) and the output end of input unit (13) are connect with the input terminal of processing unit (11) respectively；The output end of processing unit (11) is connect with the input terminal of the display unit (12), the measurement method uses pendulum and above-mentioned measuring system, has many advantages, such as to be limited that small, cost of labor is low, measurement accuracy is high, time of measuring is fast, can monitor ship inclination state in real time by ship type structure.
Description
Technical field
The present invention, which discloses, is related to the technical field more particularly to a kind of survey of ship inclination angle of the measurement of ship height of C.G.
Amount system and its measurement method.
Background technique
In recent years, with the development of shipbuilding technology, more and more large ships are built, and these ships
Increasingly concern of the safety by people.For the stability of accurate evaluation ship, avoid causing the perils of the sea since stability is insufficient
Generation, need to carry out clean ship center of gravity more accurate measurement.And ship inclination angle is to calculate ship in clean ship weighing experiment
The significant data of oceangoing ship center of gravity.
In existing ship inclination angle measurement, need multiple pendulums to be installed respectively, so in the different location of tested ship
After repeatedly swinging pendulum respectively afterwards, the reading of each pendulum is manually read, finally by calculating repeatedly reading for multiple pendulums
Average value, and then obtain the tilt angle of ship.However, in above-mentioned measurement method, there are the following problems:
1, the pendulum installed needs to carry out the arrangement of pendulum line and sink in advance, needs a large amount of cost of labor, and a
Other ship type is architectural limitation, and there is a problem of arranging that difficulty is big.
2, the pendulum line length in pendulum needs a large amount of space to carry out operation, therefore, general feelings generally in 15m~30m
It can only be arranged under condition in the region that the ventilation such as cargo hold is poor, light is poor, be unfavorable for personnel safety.
3, each pendulum reader measuring point needs 2~3 staff operation simultaneously, and one-stop operation needs lasting 6~8 small
When, high labor cost, and influenced by human factor it is big, it is low there are accuracy the problems such as.
4, because of one angle of every measurement, the counting and calculating of long period are needed, can not accomplish to monitor ship in real time
Heeling condition.
In conclusion the measuring system and measurement method of a kind of novel ship inclination angle how are researched and developed, to solve
The above problem becomes people's urgent problem to be solved.
Summary of the invention
In consideration of it, the present invention provides the measuring systems and its measurement method of a kind of ship inclination angle, at least to solve
Present in existing measurement method by ship type structure limited big, high labor cost, measuring accuracy it is low, can not real-time monitoring ship
The problems such as heeling condition.
One aspect of the present invention provides a kind of measuring system of ship inclination angle, which includes:
Computer 1, signal receiving unit 2 and two gradient sensors 3；
The computer 1 includes: processing unit 11, display unit 12 and input unit 13；
Two gradient sensors 3 are respectively arranged on the deck of tested ship, for detecting the quilt respectively
Survey ship tilt angle, and the tilt angle that will test be converted to electric signal after sent；
The output end of two gradient sensors 3 is connect with the input terminal of the signal receiving unit 2 respectively；
The output end of the output end of the signal receiving unit 2 and the input unit 13 respectively with the processing unit
11 input terminal connection；
The output end of the processing unit 11 is connect with the input terminal of the display unit 12.
It is preferred that each gradient sensor 3 includes: tilt angle detection unit 31 and signal transmitting unit
32；
The tilt angle detection unit 31 is used to detect the tilt angle of tested ship, and the tilt angle that will test turns
It is changed to electric signal；
The output end of the tilt angle detection unit 31 is connect with the input terminal of the signal transmitting unit 32；
The output end of the signal transmitting unit 32 is connect with the input terminal of the signal receiving unit 2.
Further preferably, the computer 1 further include: leveling unit 14；
The leveling unit 14 is series between the processing unit 11 and the display unit 12, and the leveling unit
14 input terminal is connect with the output end of the processing unit 11, the output end of the leveling unit 14 and the display unit 12
Input terminal connection.
Further preferably, the measuring system of the ship inclination angle further include: signal processing unit 4, for signal
Filtering and amplification；
The signal processing unit 4 be series at two gradient sensors 3 and the signal receiving unit 2 it
Between, the input terminal of the signal processing unit 4 is connect with the output end of two gradient sensors 3 respectively, the letter
The output end of number processing unit 4 is connect with the input terminal of the signal receiving unit 2.
Further preferably, two gradient sensors 3 are respectively arranged in the front deck and rear portion of tested ship
On deck.
Further preferably, the signal transmitting unit 32 be wireless signal transmission unit, the signal receiving unit 2 be with
The matched reception of wireless signals unit of the signal transmitting unit 32.
Another aspect of the present invention additionally provides a kind of measurement method of ship inclination angle, uses pendulum in the measurement method
And above-mentioned measuring system, specific measuring process are as follows:
S1: two gradient sensors are separately mounted on the front deck and quarter-deck of tested ship, will be put
Hammer is mounted in the main hold of tested ship；
S2: repeatedly swinging pendulum, reads the reading after each pendulum is swung respectively, the pendulum repeatedly read is read and is carried out
It is average, obtain pendulum average reading；
S3: carrying out repeatedly interval sampling for the inclination angle value for being located at the detection of front deck inclination angle sensor, and
The inclination angle value repeatedly sampled is averaged, the first tilt angle average value is obtained；
S4: it is poor that the first tilt angle average value and the pendulum average reading are made, and obtains the first difference, by described the
One difference is compared with error threshold, if first difference is greater than the error threshold, gives up first inclination angle
Average value is spent, step S3 is repeated, until first difference is less than or equal to the error threshold；
S5: carrying out repeatedly interval sampling for the inclination angle value for being located at the detection of quarter-deck inclination angle sensor, and
The inclination angle value repeatedly sampled is averaged, the second tilt angle average value is obtained；
S6: it is poor that the second tilt angle average value and the pendulum average reading are made, and obtains the second difference, by described the
Two differences are compared with error threshold, if second difference is greater than the error threshold, give up second inclination angle
Average value is spent, step S5 is repeated, until second difference is less than or equal to the error threshold；
S7: the pendulum average reading, the first tilt angle average value are averaging with the second tilt angle average value, obtained
The inclination angle value of ship.
The measuring system of ship inclination angle provided by the invention is respectively arranged with computer, signal in the measuring system
Receiving unit and two gradient sensors, wherein the measuring system is detected respectively by two gradient sensors
Its respectively where tilt angle at ship deck position, and the tilt angle detected is converted into electric signal, and interval is taken
The electric signal of sample is sent in signal receiving unit, signal receiving unit by the received electric signal about inclination angle value successively
It is sent in the processing unit of computer, processing unit is parsed received electric signal respectively, obtains each tilt angle
After multiple sampling inclination angle values of sensor, multiple sampling inclination angle values corresponding to each gradient sensor ask flat
, compared with and the average value acquired being carried out making difference with the standard reference value that input unit inputs, if the difference obtained is greater than
Threshold value then carries out the corresponding gradient sensor of the average value to re-measure sampling, until the difference obtained is less than or equal to
Threshold value, the mark that will be inputted in processing unit about the two average tilt angle values and input unit of two gradient sensors
Quasi- reference value is averaged, and final ship inclination angle value is obtained, and passes through display unit for final ship inclination angle
Value and real time sample tilt angle about two gradient sensors are shown.
In the measurement method of ship inclination angle provided by the invention, using measuring for above-mentioned measuring system, tool
Have the advantages that be limited that small, cost of labor is low, measurement accuracy is high, can real-time monitoring ship inclination state by ship type structure.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the module map for the measuring system that the present invention discloses a kind of ship inclination angle that embodiment provides；
Fig. 2 is that the present invention discloses gradient sensor in a kind of measuring system for ship inclination angle that embodiment provides
Module map；
Fig. 3 is the module map for the measuring system that the present invention discloses another ship inclination angle that embodiment provides；
Fig. 4 is the module map for the measuring system that the present invention discloses another ship inclination angle that embodiment provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is a kind of measuring system for ship inclination angle that the present embodiment provides referring to Fig. 1, which includes: use
In two gradient sensors that terminal processes and the computer of display 1, signal receive single 2 and detect for tilt angle
3, wherein computer 1 includes: processing unit 11, display unit 12 and input unit 13；Wherein, two tilt angle sensings
Device 3 is respectively arranged on the deck of tested ship, for detecting the tilt angle of tested ship respectively, and the inclination angle that will test
Degree is converted to the laggard row interval sampling of electric signal and sends；The output end of two gradient sensors 3 receives with signal single respectively
Member 2 input terminal connection, and the output end of the output end of the signal receiving unit 2 and input unit 13 respectively with processing unit 11
Input terminal connection, the output end of processing unit 11 connect with the input terminal of display unit 12.
The specific work process of measuring system is as follows in the present embodiment: two gradient sensors are respectively to where it
Ship deck position at carry out real-time tilt angle detection, and the angle value that will test acquisition is converted into electric signal, then
It sends the sampling of electric signal interval in signal receiving unit, the detection angles received are sent in sequence to by signal receiving unit
In the processing unit of computer, processing unit first parses the signal received, obtains its detection angles and correspondence
Sensor, and multiple sample detection angles of respective sensor are averaged, obtain passed about two tilt angles respectively
The the first average detected angle value and the second average detected angle value of sensor, and by two average detected angle values respectively with calculating
The standard angle reference value inputted in the input unit of machine make difference relatively, when difference is greater than the standard inputted in input unit
When angle reference value, give up current average angle angle value, starts the corresponding sensor of average angle angle value and re-measure taking
Sample, until difference is less than the standard angle reference value inputted in input unit and then by standard angle reference value, meets the requirements
The first average detected angle value and the second average detected angle value be averaging, the final tilt angle for obtaining tested ship.
Wherein, obtaining for the standard angle reference value inputted in input unit can install pendulum in the somewhere of tested ship
Hammer repeatedly reads the angle value of pendulum by repeatedly swinging the pendulum, by way of calculating the average value of multiple pendulum reading
It obtains；Or U-tube is installed on the deck of tested ship, it is obtained by way of reading the reading in U-tube.
Gradient sensor 3 in said detecting system can be commercially available, referring to fig. 2, the gradient sensor 3 packet
Include: for detecting the tilt angle of tested ship, and the tilt angle that will test is converted to the tilt angle detection list of electric signal
Member 31 and the signal hair that interval sampling will be carried out about the electric signal of tilt angle in tilt angle detection unit 31 and sent
Send unit 32, wherein the output end of tilt angle detection unit 31 is connect with the input terminal of signal transmitting unit 32, and signal is sent
The output end of unit 32 is connect with the input terminal of signal receiving unit 2.
It is the measuring system for another ship inclination angle that the present embodiment provides referring to Fig. 3, with the embodiment above
The difference is that in computer 1 further include: leveling unit 14, the leveling unit 14 are series at processing unit 11 and display
Between unit 12, and the output end connection of the input terminal processing unit 11 of leveling unit 14, the output end of leveling unit 14 and aobvious
Show the input terminal connection of unit 12.
Measuring system in the present embodiment, since the tilt angle of ship original state is not necessarily shown as zero degree, because
This, the setting of the leveling unit is equivalent to zero effect, the inclination angle value of original state is included in leveling unit, often later
It is secondary all can subtract the numerical value in leveling unit automatically from the angle number exported in processing unit after, then shown, realize measurement
Order of accuarcy.
The measuring system of another ship inclination angle provided referring to fig. 4 for the present embodiment, with above-mentioned two implementation
Scheme the difference is that, in the measuring system of ship inclination angle further include: the letter of filtering and amplification for signal
Number processing unit 4, signal processing unit 4 are series between two gradient sensors 3 and signal receiving unit 2, wherein letter
The input terminal of number processing unit 4 is connect with the output end of two gradient sensors 3 respectively, the output of signal processing unit 4
End is connect with the input terminal of signal receiving unit 2.
Wherein, the setting main purpose of the signal processing unit is to remove interference signal, and useful signal is put
Greatly, to facilitate the processing in later period.
Two gradient sensors 3 in above-mentioned each embodiment be respectively arranged on the front deck of tested ship and
On quarter-deck, the setting main purpose of the position is to can be realized the measurement of ship each position tilt angle, to realize ship
The whole expression of oceangoing ship tilt angle, to improve the accuracy of measurement.
Wherein, signal transmitting unit 32 is wireless signal transmission unit, and signal receiving unit 2 is and signal transmitting unit 32
Matched reception of wireless signals unit.
A kind of measurement method for ship inclination angle that the present embodiment provides, in the measurement method using pendulum and on
The measuring system stated, specific measuring process are as follows:
S1: two gradient sensors are separately mounted on the front deck and quarter-deck of tested ship, will be put
Hammer is mounted in the main hold of tested ship；
S2: repeatedly swinging pendulum, reads the reading after each pendulum is swung respectively, the pendulum repeatedly read is read and is carried out
It is average, obtain pendulum average reading；
S3: carrying out repeatedly interval sampling for the inclination angle value for being located at the detection of front deck inclination angle sensor, and
The inclination angle value repeatedly sampled is averaged, the first tilt angle average value is obtained；
S4: it is poor that the first tilt angle average value and the pendulum average reading are made, and obtains the first difference, by described the
One difference is compared with error threshold, if first difference is greater than the error threshold, gives up first inclination angle
Average value is spent, step S3 is repeated, until first difference is less than or equal to the error threshold；
S5: carrying out repeatedly interval sampling for the inclination angle value for being located at the detection of quarter-deck inclination angle sensor, and
The inclination angle value repeatedly sampled is averaged, the second tilt angle average value is obtained；
S6: it is poor that the second tilt angle average value and the pendulum average reading are made, and obtains the second difference, by described the
Two differences are compared with error threshold, if second difference is greater than the error threshold, give up second inclination angle
Average value is spent, step S5 is repeated, until second difference is less than or equal to the error threshold；
S7: the pendulum average reading, the first tilt angle average value are averaging with the second tilt angle average value, obtained
The inclination angle value of ship.
Measurement method in the present embodiment, not only by sensor realize tilt angle measurement, reduce it is artificial at
This, improves precision, and the problem of detection mistake occurs for sensor in order to prevent, has also introduced the inclination reading an of pendulum,
By the inclination reading of the pendulum as reference, to investigate the correctness of sensor.In addition, sensor is small in size, account for
It is few with space, it can be easily installed on various ships, do not limited by Ship Structure.It only only used one in the detection method
Pendulum can also be greatly reduced artificial on the basis of guaranteeing to measure correctness by being used cooperatively for sensor and pendulum
Investment reduces cost of labor, reduces artificial participation, the accuracy of raising.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (5)
1. a kind of measurement method of ship inclination angle, which is characterized in that using pendulum and measurement system in the measurement method
System, the measuring system include:
Computer (1), signal receiving unit (2) and two gradient sensors (3)；
The computer (1) includes: processing unit (11), display unit (12) and input unit (13)；
Two gradient sensors (3) are respectively arranged on the deck of tested ship, described tested for detecting respectively
The tilt angle of ship, and the tilt angle that will test be converted to electric signal after sent；
The output end of two gradient sensors (3) is connect with the input terminal of the signal receiving unit (2) respectively；
The output end of the output end of the signal receiving unit (2) and the input unit (13) respectively with the processing unit
(11) input terminal connection；
The output end of the processing unit (11) is connect with the input terminal of the display unit (12)；
The computer (1) further include: leveling unit (14)；
The leveling unit (14) is series between the processing unit (11) and the display unit (12), and the leveling is single
The input terminal of first (14) is connect with the output end of the processing unit (11), and the output end of the leveling unit (14) is shown with described
Show the input terminal connection of unit (12)；
Specific measuring process is as follows:
S1: two gradient sensors are separately mounted on the front deck and quarter-deck of tested ship, pendulum is pacified
In the main hold of tested ship；
S2: repeatedly swinging pendulum, reads the reading after each pendulum is swung respectively, the pendulum repeatedly read reading is carried out flat
, pendulum average reading is obtained；
S3: the inclination angle value for being located at the detection of front deck inclination angle sensor is subjected to repeatedly interval sampling, and will be more
The inclination angle value of sub-sampling is averaged, and the first tilt angle average value is obtained；
S4: it is poor that the first tilt angle average value and the pendulum average reading are made, and obtains the first difference, poor by described first
Value is compared with error threshold, if first difference is greater than the error threshold, it is flat to give up first tilt angle
Mean value repeats step S3, until first difference is less than or equal to the error threshold；
S5: the inclination angle value for being located at the detection of quarter-deck inclination angle sensor is subjected to repeatedly interval sampling, and will be more
The inclination angle value of sub-sampling is averaged, and the second tilt angle average value is obtained；
S6: it is poor that the second tilt angle average value and the pendulum average reading are made, and obtains the second difference, poor by described second
Value is compared with error threshold, if second difference is greater than the error threshold, it is flat to give up second tilt angle
Mean value repeats step S5, until second difference is less than or equal to the error threshold；
S7: the pendulum average reading, the first tilt angle average value and the second tilt angle average value are averaging, ship is obtained
The inclination angle value of oceangoing ship.
2. the measurement method of ship inclination angle according to claim 1, which is characterized in that each tilt angle sensing
Device (3) includes: tilt angle detection unit (31) and signal transmitting unit (32)；
The tilt angle detection unit (31) is used to detect the tilt angle of tested ship, and the tilt angle conversion that will test
For electric signal；
The output end of the tilt angle detection unit (31) is connect with the input terminal of the signal transmitting unit (32)；
The output end of the signal transmitting unit (32) is connect with the input terminal of the signal receiving unit (2).
3. the measurement method of ship inclination angle according to claim 1, which is characterized in that further include: signal processing unit
(4), for the filtering of signal and amplification；
The signal processing unit (4) be series at two gradient sensors (3) and the signal receiving unit (2) it
Between, the input terminal of the signal processing unit (4) is connect with the output end of two gradient sensors (3) respectively, institute
The output end for stating signal processing unit (4) is connect with the input terminal of the signal receiving unit (2).
4. the measurement method of ship inclination angle according to claim 1, which is characterized in that two tilt angle sensings
Device (3) is respectively arranged on the front deck and quarter-deck of tested ship.
5. the measurement method of ship inclination angle according to claim 2, which is characterized in that the signal transmitting unit (32)
For wireless signal transmission unit, the signal receiving unit (2) is and the signal transmitting unit (32) matched wireless signal
Receiving unit.
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| CN201710186255.5A CN107089299B (en) | 2017-03-27 | 2017-03-27 | A kind of measuring system and its measurement method of ship inclination angle |
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| CN201710186255.5A CN107089299B (en) | 2017-03-27 | 2017-03-27 | A kind of measuring system and its measurement method of ship inclination angle |
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| CN107745783B (en) * | 2017-10-10 | 2020-08-04 | 中国水产科学研究院渔业机械仪器研究所 | Automatic measuring equipment for fishing boat inclination test |
| CN108421231B (en) * | 2018-03-27 | 2019-10-01 | 中国海洋大学 | A kind of sailing real-time status recording device |
| CN109387183A (en) * | 2018-12-03 | 2019-02-26 | 广州市建筑科学研究院有限公司 | A kind of drill core hole slope measurement apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202171446U (en) * | 2011-08-02 | 2012-03-21 | 苏州大学 | Photoelectric inclined angle sensor |
| CN102661739A (en) * | 2012-05-15 | 2012-09-12 | 山东大学 | Photoelectric inclined angle sensor |
| CN204963853U (en) * | 2015-09-22 | 2016-01-13 | 武汉大学 | Ship transport condition on -line monitoring system based on angle sensor |
| CN105486281A (en) * | 2014-09-16 | 2016-04-13 | 哈尔滨恒誉名翔科技有限公司 | Ship-pedestal-levelness measuring system in mooring condition |
| CN105571615A (en) * | 2015-12-29 | 2016-05-11 | 大连陆海科技股份有限公司 | Method and system for calibrating marine biaxial tilt sensor |
-
2017
- 2017-03-27 CN CN201710186255.5A patent/CN107089299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202171446U (en) * | 2011-08-02 | 2012-03-21 | 苏州大学 | Photoelectric inclined angle sensor |
| CN102661739A (en) * | 2012-05-15 | 2012-09-12 | 山东大学 | Photoelectric inclined angle sensor |
| CN105486281A (en) * | 2014-09-16 | 2016-04-13 | 哈尔滨恒誉名翔科技有限公司 | Ship-pedestal-levelness measuring system in mooring condition |
| CN204963853U (en) * | 2015-09-22 | 2016-01-13 | 武汉大学 | Ship transport condition on -line monitoring system based on angle sensor |
| CN105571615A (en) * | 2015-12-29 | 2016-05-11 | 大连陆海科技股份有限公司 | Method and system for calibrating marine biaxial tilt sensor |
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