CN109186534A - A kind of measuring method of ship navigation lamp irradiating angle - Google Patents
A kind of measuring method of ship navigation lamp irradiating angle Download PDFInfo
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- CN109186534A CN109186534A CN201811063199.7A CN201811063199A CN109186534A CN 109186534 A CN109186534 A CN 109186534A CN 201811063199 A CN201811063199 A CN 201811063199A CN 109186534 A CN109186534 A CN 109186534A
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- hull
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- Radar, Positioning & Navigation (AREA)
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of measuring methods of ship navigation lamp irradiating angle, comprising the following steps: step 1 is at least measured four hull central points using total station, and obtains hull center line by amendment with hull central point；Step 2, first by hull centre line marks by tested navigation lights, then the extended line of the medial surface of the lamp holder base plate of tested navigation lights is drawn, the extended line parallel shifted extremely is intersected to obtain the first intersection point with the hull center line of label, the extended line of the front end face of lamp holder base plate is drawn again, the extended line is intersected to obtain the second intersection point with the extended line of the medial surface of lamp holder base plate, intersect to obtain third intersection point with hull center line, measure respectively the second intersection point to the first intersection point distance and the second intersection point to third intersection point distance；Step 3 calculates the medial surface of lamp holder base plate and the angle of hull center line by trigonometric tangential function.Measuring method of the invention does not need complicated training equipment, and survey calculation process is simple, and cost is very little.
Description
Technical field
The present invention relates to a kind of measuring methods of ship navigation lamp irradiating angle.
Background technique
According to national communication portion provide, be placed in the larboard at left and right sides of ship highest deck red globe lamp and starboard it is green
Light lamp, answers the continual light of display in each comfortable 112.5 degree of arc of horizon, device to make light from the front of ship to
It is shown respectively in 22.5 degree of the abaft the beam of a respective side of a ship.The barn door of sidelight should be coated with Berlin black to lamp face.Barn door
Height of the height at least equal to lamp.Therefore a bow ship will measure the irradiating angle of navigation lights after making.In navigation lights
Sidelight be to be mounted on lamp holder by dedicated light bulb, the structure and size of lamp holder should meet having for ship specification and international convention
Close regulation.Lamp holder is made of the bottom plate of rectangle and the barn door being fixed on bottom plate.Therefore vital when installing sidelight
Seek to control the setting angle of bottom plate.Currently, the irradiating angle measurement of ship navigation lamp is all the side circular by barge
Formula, and carried out at trial voyage to anchorage, or carried out in ship landing pier.Trial voyage is needed by barge with going extremely
Anchorage, and the navigation lights angle measurement on port and starboard both sides could be completed by needing to be tested turn-round of ship steering in harbour.No matter that
The manpower and material resources that method expends are very big, and are influenced by weather also larger.Mesh in measurement process outside one nautical mile of naked-eye observation
Mark, the inaccuracy that can be also estimated caused by bad or unrestrained height by the visibility of weather.
Summary of the invention
A kind of measuring and calculating of ship navigation lamp irradiating angle is provided it is an object of the invention to overcome the deficiencies of existing technologies
Method, it does not need complicated training equipment, and survey calculation process is simple, and cost is very little.
The object of the present invention is achieved like this: a kind of measuring method of ship navigation lamp irradiating angle, including following step
It is rapid:
Step 1 finds out hull center line, first uses total station from stem to ship stern along the length direction interval one of hull
Cause ground at least to measure the topside width of hull everywhere, and to everywhere beam of hull divide respectively in obtain the everywhere hull side of a ship
The hull midpoint of side width, then will be away from first nearest hull midpoint of stem and away from the last one nearest hull of ship stern
Point draws a straight line, and as initial hull center line, then measures intermediate each hull midpoint and initial hull center line
Then deviation corrects initial hull center line with the arithmetic mean of instantaneous value of this these deviation, obtains final hull center
Line；
Final hull centre line marks are first then drawn the lamp of tested navigation lights by tested navigation lights by step 2
The extended line parallel shifted extremely is intersected to obtain the first friendship by the extended line of the medial surface of seat bottom plate with the hull center line of label
Point, then the extended line of the front end face of lamp holder base plate is drawn, which is intersected with the extended line of the medial surface of lamp holder base plate
To the second intersection point, intersect to obtain third intersection point with hull center line, measure respectively the second intersection point to the first intersection point distance M and
Second intersection point to third intersection point distance N；
Step 3, by lamp holder base plate of the trigonometric tangential function formula tan α=N/M to calculate tested navigation lights
The extended line of side and the angle α of hull center line, thus judge whether the tested navigation lights meets defined irradiating angle.
The measuring method of above-mentioned ship navigation lamp irradiating angle, wherein, can also be on ship when carrying out step 1
The hatchcover in each list cabin is measurement datum, using the topside width of each single cabin front end of total station survey, and point in after
To preceding midpoint, using the topside width of each single cabin rear end of total station survey, and point in after obtain after midpoint, in forward and backward
Point draws a straight line to obtain the center line in each single cabin, then is modified to the deviation of the center line in each single cabin, obtains
Final hull center line.
The technical solution of the measuring method of ship navigation lamp irradiating angle of the invention does not need complicated training equipment,
It can be by accurately calculating instead of gross visualization, survey calculation process is simple, and without the concern for the high weather conditions of wave
It influences, cost is very little.
Detailed description of the invention
Fig. 1 is that the measuring method of ship navigation lamp irradiating angle of the invention carries out step schematic diagram for the moment；
Original when Fig. 2 is a kind of embodiment progress step 2 of the measuring method of ship navigation lamp irradiating angle of the invention
Reason figure；
When Fig. 3 is another embodiment progress step 2 of the measuring method of ship navigation lamp irradiating angle of the invention
Schematic diagram.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Please refer to Fig. 1 and Fig. 2, a kind of embodiment of the measuring method of ship navigation lamp irradiating angle of the invention, including
Following steps:
Step 1 finds out hull center line, first uses total station from stem to ship stern along the length direction interval one of hull
Cause ground at least to measure the topside width of hull everywhere, and to everywhere beam of hull divide respectively in obtain the everywhere hull side of a ship
Hull midpoint A, B, C, D (see Fig. 1) of side width, then by away from first nearest hull midpoint A of stem with it is nearest away from ship stern
The last one hull midpoint D draw a straight line AD, as initial hull center line, then measure intermediate each hull midpoint
B, then the deviation of C and initial hull center line AD is corrected in initial hull with the arithmetic mean of instantaneous value of this these deviation
Heart line obtains final hull center line；
Final hull centre line marks are first then drawn the lamp of tested navigation lights by tested navigation lights by step 2
The extended line parallel shifted extremely is intersected to obtain the first intersection point by the extended line of the medial surface of seat bottom plate with the hull center line of label
O1, then the extended line of the front end face of lamp holder base plate is drawn, which is intersected with the extended line of the medial surface of lamp holder base plate
To the second intersection point O2, intersect to obtain third intersection point O3 with hull center line, measures the second intersection point O2 respectively to the first intersection point O1's
The distance N of distance M and the second intersection point O2 to third intersection point O3 (see Fig. 2)；
Step 3, by lamp holder base plate of the trigonometric tangential function formula tan α=N/M to calculate tested navigation lights
The extended line of side and the angle α of hull center line, thus judge whether the tested navigation lights meets defined irradiating angle.
Another embodiment of the measuring method of ship navigation lamp irradiating angle of the invention is the packet by taking container ship as an example
Include following steps:
Step 1, using the hatchcover in list each on container ship cabin as measurement datum, using each single cabin of total station survey
The width of front end, and point in after obtain before midpoint, using the width of each single cabin rear end of total station survey, and point in after
To rear midpoint, forward and backward midpoint is drawn a straight line to obtain the center line in each single cabin, then to the inclined of the center line in each single cabin
Difference is modified, and obtains final hull center line.
Final hull centre line marks are first then drawn the lamp of tested navigation lights by tested navigation lights by step 2
The extended line parallel shifted extremely is intersected to obtain the first intersection point by the extended line of the medial surface of seat bottom plate with the hull center line of label
O1, then the extended line of the front end face of lamp holder base plate is drawn, which intersects to obtain with the extended line of the medial surface of lamp holder base plate
Second intersection point O2 measures the distance M and the second intersection point O2 of the second intersection point O2 to the first intersection point O1 to hull center line respectively
Vertical range P (see Fig. 3)；
Step 3, by lamp holder base plate of the trigonometric sine function formula sin α=P/M to calculate tested navigation lights
The extended line of side and the angle α of hull center line, thus judge whether the tested navigation lights meets defined irradiating angle.
The measuring method of ship navigation lamp irradiating angle of the invention, be the holder structure based on navigation lights be it is fixed,
Setting angle by measuring lamp holder base plate can judge whether the irradiating angle of navigation lights meets the requirements.Using side of the invention
Method, if judging, tested navigation lights is unsatisfactory for defined irradiating angle, as long as the setting angle of adjustment lamp holder base plate, can make sidelight
Irradiating angle reach requirement.Therefore method of the invention is not only applicable in the measurement of the navigation lights of new shipbuilding oceangoing ship, moreover it is possible to for existing
Some navigation lights or the older corrosion in bad repair of lamp holder are serious, cause navigation lights to deform or cannot stand vertically, cause the angle of display
The measurement not reached requirement.Measuring method of the invention does not need complicated training equipment, can be by accurately calculating replacement
Gross visualization, survey calculation process is simple, and without the concern for the high inside even from weather of wave, cost is very little.
Above embodiments are used for illustrative purposes only, rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or modification, therefore all equivalent
Technical solution also should belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of measuring method of ship navigation lamp irradiating angle, which is characterized in that the measuring method the following steps are included:
Step 1 finds out hull center line, first using total station from stem to ship stern along the length direction interval of hull consistently
At least measure the width of hull everywhere, and to everywhere beam of hull divide respectively in obtain the hull of everywhere beam of hull
Midpoint then will be linked to be one directly away from first nearest hull midpoint of stem and the last one hull midpoint nearest away from ship stern
Line as initial hull center line, then measures the deviation at intermediate each hull midpoint and initial hull center line, then with
The arithmetic mean of instantaneous value of this these deviation corrects initial hull center line, obtains final hull center line；
Final hull centre line marks are first then drawn the lamp holder bottom of tested navigation lights by tested navigation lights by step 2
The extended line parallel shifted extremely is intersected to obtain the first intersection point with the hull center line of label by the extended line of the medial surface of plate, then
The extended line is intersected to obtain second by the extended line for drawing the front end face of lamp holder base plate with the extended line of the medial surface of lamp holder base plate
Intersection point intersects to obtain third intersection point with hull center line, measures the second intersection point respectively to the friendship of the distance M of the first intersection point and second
It puts to the distance N of third intersection point；
Step 3 calculates the medial surface of the lamp holder base plate of tested navigation lights by trigonometric tangential function formula tan α=N/M
Extended line and hull center line angle α, thus judge whether the tested navigation lights meets defined irradiating angle.
2. the measuring method of ship navigation lamp irradiating angle according to claim 1, which is characterized in that carry out step 1
When, it can also be using the hatchcover in cabin single each of on ship as measurement datum, using the side of a ship of each single cabin front end of total station survey
Side width, and point in after obtain before midpoint, using the topside width of each single cabin rear end of total station survey, and point in after
To rear midpoint, forward and backward midpoint is drawn a straight line to obtain the center line in each single cabin, then to the inclined of the center line in each single cabin
Difference is modified, and obtains final hull center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063199.7A CN109186534B (en) | 2018-09-12 | 2018-09-12 | Method for measuring and calculating irradiation angle of ship navigation lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063199.7A CN109186534B (en) | 2018-09-12 | 2018-09-12 | Method for measuring and calculating irradiation angle of ship navigation lamp |
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| Publication Number | Publication Date |
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| CN109186534A true CN109186534A (en) | 2019-01-11 |
| CN109186534B CN109186534B (en) | 2020-09-01 |
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| CN201811063199.7A Active CN109186534B (en) | 2018-09-12 | 2018-09-12 | Method for measuring and calculating irradiation angle of ship navigation lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654511A (en) * | 2021-09-17 | 2021-11-16 | 上海外高桥造船有限公司 | Method for testing installation angle of sidelight installed on bow |
| CN114056505A (en) * | 2021-10-15 | 2022-02-18 | 上海江南长兴造船有限责任公司 | Angle adjusting method for ship starboard light |
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| CN102628687A (en) * | 2012-04-28 | 2012-08-08 | 浙江海洋学院 | Ship horizontal attitude indicator |
| CN103017727A (en) * | 2012-12-22 | 2013-04-03 | 厦门船舶重工股份有限公司 | Detection method for mounting accuracy of ship navigation signal lamp |
| CN106507745B (en) * | 2008-05-30 | 2013-04-10 | 沪东中华造船(集团)有限公司 | A kind of marine shafting irradiation method |
| CN106767670A (en) * | 2015-11-25 | 2017-05-31 | 中航贵州飞机有限责任公司 | Photoelectric nacelle mounting shift angle aids in calibration device |
| US20180010917A1 (en) * | 2015-01-15 | 2018-01-11 | Nanjing University 5D Technology Co., Ltd. | Auxiliary berthing method and system for vessel |
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2018
- 2018-09-12 CN CN201811063199.7A patent/CN109186534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507745B (en) * | 2008-05-30 | 2013-04-10 | 沪东中华造船(集团)有限公司 | A kind of marine shafting irradiation method |
| CN102628687A (en) * | 2012-04-28 | 2012-08-08 | 浙江海洋学院 | Ship horizontal attitude indicator |
| CN103017727A (en) * | 2012-12-22 | 2013-04-03 | 厦门船舶重工股份有限公司 | Detection method for mounting accuracy of ship navigation signal lamp |
| US20180010917A1 (en) * | 2015-01-15 | 2018-01-11 | Nanjing University 5D Technology Co., Ltd. | Auxiliary berthing method and system for vessel |
| CN106767670A (en) * | 2015-11-25 | 2017-05-31 | 中航贵州飞机有限责任公司 | Photoelectric nacelle mounting shift angle aids in calibration device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654511A (en) * | 2021-09-17 | 2021-11-16 | 上海外高桥造船有限公司 | Method for testing installation angle of sidelight installed on bow |
| CN113654511B (en) * | 2021-09-17 | 2023-12-26 | 上海外高桥造船有限公司 | Method for checking installation angle of bow-mounted portlight |
| CN114056505A (en) * | 2021-10-15 | 2022-02-18 | 上海江南长兴造船有限责任公司 | Angle adjusting method for ship starboard light |
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| CN109186534B (en) | 2020-09-01 |
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