CN109696137A - A kind of marine shafting operation monitoring system - Google Patents
A kind of marine shafting operation monitoring system Download PDFInfo
- Publication number
- CN109696137A CN109696137A CN201910021543.4A CN201910021543A CN109696137A CN 109696137 A CN109696137 A CN 109696137A CN 201910021543 A CN201910021543 A CN 201910021543A CN 109696137 A CN109696137 A CN 109696137A
- Authority
- CN
- China
- Prior art keywords
- marine shafting
- sensor
- fiber
- light source
- marine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 36
- 239000000835 fiber Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of marine shafting operation monitoring systems, light source emitter including marine shafting front end is arranged in, wavelengt demodulator, signal projector, signal receiver, light source emitter, wavelengt demodulator, signal projector is connected by conducting wire and is connected, at least two fiber-optic grating sensors are connected on light source emitter, fiber-optic grating sensor is arranged at the center of marine shafting, several displacement sensors are also equipped on marine shafting, it further include signal processor and display equipment, the output end of displacement sensor and signal receiver is connected to signal processor, signal processor is connect with display equipment.This monitoring system, pass through fiber-optic grating sensor and displacement sensor, marine shafting information is passed through into signal processor processes, and pass through the operation of display equipment real-time replay and monitoring marine shafting, risk anticipation can be carried out according to metrical information, it can reduce and bearing high temperature damage risk occurs when running under different operating conditions, improve ship power safety.
Description
Technical field
The present invention relates to marine propulsion shaftings to monitor field, more particularly to a kind of marine shafting operation monitoring system.
Background technique
Marine shafting is the important component of ship power system comprising from host output end thrust bearing until
The attachment on transmission shaft and axis between propeller, the major function of marine shafting are the power transfers for issuing marine main engine
To propeller, propeller is made to generate power, while the thrust that propeller rotation generates is transmitted to hull again, pushes hull navigation.
The installation quality of marine shafting is the basic of ship power safety with operating status, the great attention by each side.Ship at present
The conventional shafting operational monitoring mode that industry is widely used mainly there are several types of: one, bearing temperature monitor；Two, bearing wear
Amount monitoring；Three, shafting vibration monitors.Shortcoming existing for the conventional rotor string monitoring that shipbuilding industry is widely used at present has: prison
Measuring point is few, and monitoring lacks continuity, cannot react the state of marine shafting completely；Mostly post-event alarm, monitoring lack foresight；
The operation curve state that can not observe marine shafting, in the presence of the wind for causing bearing high temperature to damage when being run under different operating conditions
Danger.
Summary of the invention
Wind is carried out the purpose of the present invention is to provide a kind of reduction marine shafting bearing damage risk and to marine shafting
The marine shafting operation monitoring system nearly prejudged.
The technical solution used in the present invention is: a kind of marine shafting operation monitoring system comprising be arranged in ship shaft
It is light source emitter, wavelengt demodulator, signal projector, the signal receiver of front end, the light source emitter, Wavelength demodulation
Device, signal projector are connected by conducting wire and are connected, and are connected at least two fiber-optic grating sensors, institute on the light source emitter
It states fiber-optic grating sensor to be arranged at the center of marine shafting, several displacement sensors is also equipped on the marine shafting,
It further include signal processor and display equipment, the output end of institute's displacement sensors and signal receiver is connected to signal processing
Device, the signal processor are connect with display equipment.
It is further used as the improvement of technical solution of the present invention, and institute's displacement sensors are fixed on the bearing block of marine shafting
On, the gauge head of institute's displacement sensors is vertical with marine shafting, and institute's displacement sensors include first for measuring horizontal direction
The second displacement sensor of displacement sensor and measurement vertical direction.
It is further used as the improvement of technical solution of the present invention, and institute's displacement sensors are grating displacement sensor.
It is further used as the improvement of technical solution of the present invention, and the marine shafting is provided centrally with a hole, the optical fiber
Grating sensor is mounted in hole.
It is further used as the improvement of technical solution of the present invention, further includes battery, and the battery is connect with light source emitter.
Beneficial effects of the present invention: this marine shafting operation monitoring system passes through fiber-optic grating sensor and displacement sensing
Device by marine shafting information by signal processor processes, and passes through the fortune of display equipment real-time replay and monitoring marine shafting
Row, monitoring point is continuous, and can carry out risk anticipation according to metrical information, can reduce when running under different operating conditions
Bearing high temperature damage risk improves ship power safety.
Detailed description of the invention
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 do simply to introduce, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of single unit system schematic diagram of marine shafting operation monitoring system embodiment；
Fig. 2 is a kind of displacement sensor scheme of installation of marine shafting operation monitoring system embodiment.
Specific embodiment
Referring to Figures 1 and 2, the present invention is a kind of marine shafting operation monitoring system comprising is arranged before marine shafting 1
Light source emitter 2, wavelengt demodulator 3, signal projector 4, the signal receiver 5 at end, the light source emitter 2, Wavelength demodulation
Device 3, signal projector 4 are connected by conducting wire and are connected, and are connected at least two fiber-optic grating sensors on the light source emitter 2
6, the fiber-optic grating sensor 6 is arranged at the center of marine shafting 1, is also equipped with several displacements on the marine shafting 1
Sensor 7, further includes signal processor 8 and display equipment 9, and the output end of institute's displacement sensors 7 and signal receiver 5 connects
It is connected to signal processor 8, the signal processor 8 is connect with display equipment 9.This marine shafting operation monitoring system, passes through light
1 information of marine shafting is handled by signal processor 8, and passes through display equipment 9 by fiber grating sensor 6 and displacement sensor 7
The operation of real-time replay and monitoring marine shafting 1, monitoring point is continuous, and can carry out risk anticipation according to metrical information, can
Bearing high temperature damage risk occurs when running under different operating conditions to reduce, improves ship power safety.
A kind of marine shafting operation monitoring system is measured using fiber-optic grating sensor 6 and displacement sensor 7.It utilizes
Fiber-optic grating sensor 6 is used as sensing element, has been determined between the wavelength shift of optical grating point and curvature by the method for calibration
Relationship curved shape is then reconstructed by discrete curvature fitting to realize the real-time monitoring of elongated base shaft deformation curvature
Shape, and real-time display comes out, may be implemented marine shafting curve shape reconstruction and visualizing monitor, fiber-optic grating sensor 6 with
Traditional machine electrical sensor is compared, and fiber-optic grating sensor 6 has electromagnetism interference, corrosion-resistant, high sensitivity, measurement space point
Resolution is high, real-time is good, light weight, small in size, flexible arrangement, can survey parameter many advantages such as extensively.Utilize displacement sensor 7
Realize the measurement to the position of marine shafting 1.
As a preferred embodiment of the present invention, institute's displacement sensors 7 are fixed on the bearing block of marine shafting 1, institute
The gauge head of displacement sensors 7 is vertical with marine shafting 1, and institute's displacement sensors 7 include the first displacement of measurement horizontal direction
The second displacement sensor 72 of sensor 71 and measurement vertical direction.As a preference, institute's displacement sensors 7 are grating position
Displacement sensor.
As a preferred embodiment of the present invention, the marine shafting 1 is provided centrally with a hole, and the fiber grating passes
Sensor 6 is mounted in hole.Bore hole is carried out in the tailing axle and jackshaft of marine shafting 1, fiber-optic grating sensor 6 is mounted on ship
At the center of shafting 1.The present invention is using the curvature of spatial point come curve reconstruction shape, and curvature is a vector, and existing size is again
There is direction, the direction of vector determines curved direction, and the size of vector determines curved degree, in order to determine space
The buckling vector that certain is put on curve, need to measure the sizes values of the buckling vector at the point in two known directions, to synthesize
The direction of buckling vector and sizes values, and a fiber-optic grating sensor 6 can only reflect the directional curvature sizes values of certain point one,
Therefore two fiber-optic grating sensors 6 must be used.
It as a preferred embodiment of the present invention, further include battery 10, the battery 10 is connect with light source emitter 2.
The monitoring method of this marine shafting operation monitoring system is as follows: measuring each section of ship using fiber-optic grating sensor 6
The curvature of oceangoing ship shafting 1 reconstructs the curve state of marine shafting 1；Show that marine shafting 1 is opposite using the measurement of displacement sensor 7
It is reconstructed in the relative position of measuring basis by the marine shafting curve matching to actually measured corresponding position reconstructed
The relative position of marine shafting curve and measuring basis after reconstructing practical shafting position and curve, transports marine shafting curve
Row state is monitored.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right
It is required that in limited range.
Claims (5)
1. a kind of marine shafting operation monitoring system, it is characterised in that: including the light source transmitting in marine shafting (1) front end is arranged
Device (2), wavelengt demodulator (3), signal projector (4), signal receiver (5), the light source emitter (2), wavelengt demodulator
(3), signal projector (4) is connected by conducting wire and is connected, and at least two fiber gratings biography is connected on the light source emitter (2)
Sensor (6), the fiber-optic grating sensor (6) are arranged at the center of marine shafting (1), also pacify on the marine shafting (1)
It further include signal processor (8) and display equipment (9) equipped with several displacement sensors (7), institute's displacement sensors (7) and letter
The output end of number receiver (5) is connected to signal processor (8), and the signal processor (8) connect with display equipment (9).
2. marine shafting operation monitoring system according to claim 1, it is characterised in that: institute's displacement sensors (7) are solid
It is scheduled on the bearing block of marine shafting (1), the gauge head of institute's displacement sensors (7) is vertical with marine shafting (1), and the displacement passes
Sensor (7) includes the first displacement sensor (71) for measuring horizontal direction and the second displacement sensor for measuring vertical direction
(72)。
3. marine shafting operation monitoring system according to claim 2, it is characterised in that: institute's displacement sensors (7) are
Grating displacement sensor.
4. marine shafting operation monitoring system according to claim 1, it is characterised in that: in the marine shafting (1)
The heart is provided with a hole, and the fiber-optic grating sensor (6) is mounted in hole.
5. marine shafting operation monitoring system according to claim 1, it is characterised in that: it further include battery (10), it is described
Battery (10) is connect with light source emitter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021543.4A CN109696137A (en) | 2019-01-10 | 2019-01-10 | A kind of marine shafting operation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021543.4A CN109696137A (en) | 2019-01-10 | 2019-01-10 | A kind of marine shafting operation monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109696137A true CN109696137A (en) | 2019-04-30 |
Family
ID=66232627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910021543.4A Pending CN109696137A (en) | 2019-01-10 | 2019-01-10 | A kind of marine shafting operation monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109696137A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11514940A (en) * | 1995-11-02 | 1999-12-21 | レフレクス インストゥルメント アクティエボラーグ | Device for detecting the elastic deformation of the tool axis of a machine tool |
| CN207317718U (en) * | 2017-07-27 | 2018-05-04 | 中国船舶重工集团公司第七一九研究所 | A kind of screw shaft of ship holds Shaft alignment state and operating status measuring device |
| CN108981763A (en) * | 2018-07-27 | 2018-12-11 | 格瑞斯曼光电科技（苏州）有限公司 | A kind of optic-fiber monitoring system peculiar to vessel |
| CN209459600U (en) * | 2019-01-10 | 2019-10-01 | 广州文冲船厂有限责任公司 | A kind of marine shafting operation monitoring system |
-
2019
- 2019-01-10 CN CN201910021543.4A patent/CN109696137A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11514940A (en) * | 1995-11-02 | 1999-12-21 | レフレクス インストゥルメント アクティエボラーグ | Device for detecting the elastic deformation of the tool axis of a machine tool |
| CN207317718U (en) * | 2017-07-27 | 2018-05-04 | 中国船舶重工集团公司第七一九研究所 | A kind of screw shaft of ship holds Shaft alignment state and operating status measuring device |
| CN108981763A (en) * | 2018-07-27 | 2018-12-11 | 格瑞斯曼光电科技（苏州）有限公司 | A kind of optic-fiber monitoring system peculiar to vessel |
| CN209459600U (en) * | 2019-01-10 | 2019-10-01 | 广州文冲船厂有限责任公司 | A kind of marine shafting operation monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6948381B1 (en) | System and method for sensing torque on a rotating shaft | |
| US10858104B2 (en) | Rescue hoist cable angle detection assembly | |
| WO2006018607A1 (en) | Torque measurement within a powertrain | |
| KR20110108484A (en) | Measurement method and system for the torsion of the structure using strain sensors | |
| EP3295140A1 (en) | Sensor system and method for monitoring a powertrain | |
| CN209459600U (en) | A kind of marine shafting operation monitoring system | |
| US7432821B1 (en) | Fiber optic measurement of bearing surface wear | |
| CN112291007A (en) | Distributed optical fiber automatic monitoring system | |
| KR20220146368A (en) | Vibration measuring devices for ships structure using smart sensors, methods of measuring using them, and ships applying them | |
| CN109696137A (en) | A kind of marine shafting operation monitoring system | |
| JPH02155893A (en) | Watching device for couner-rotating propeller bearing | |
| CN110579198B (en) | Device and method for monitoring turbine blade tip clearance | |
| KR100366397B1 (en) | Automatic measuring and assessment system for bridge diagnostics | |
| JPS6046438A (en) | Internal pressure detector of air type fender | |
| CN110146053B (en) | Fiber bragg grating sensor for measuring ship bow movement and application | |
| CN1458506A (en) | Measuring method ad device for sea wave load | |
| JP2651403B2 (en) | Marine main engine operation monitoring device | |
| CN113418640A (en) | Polar region ship anchor windlass roller stress detection device and stress detection method | |
| NO20130740A1 (en) | Torque measurement on propeller shaft | |
| CN210464761U (en) | Ship shaft power monitoring system | |
| EP0236955A2 (en) | Method for cable installation | |
| CN103308229B (en) | Laser optical electric axis power measuring probe | |
| EP1411320B1 (en) | Method and system for evaluating strains in an elongated element like a conduit | |
| US20230243719A1 (en) | Rotary encoder and a method for monitoring operation of the rotary encoder | |
| CN216411590U (en) | Submarine cable burial depth monitoring system based on optical fiber temperature measurement technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |