CN209459600U - A kind of marine shafting operation monitoring system - Google Patents
A kind of marine shafting operation monitoring system Download PDFInfo
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- CN209459600U CN209459600U CN201920038591.XU CN201920038591U CN209459600U CN 209459600 U CN209459600 U CN 209459600U CN 201920038591 U CN201920038591 U CN 201920038591U CN 209459600 U CN209459600 U CN 209459600U
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- marine shafting
- sensor
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- light source
- marine
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Abstract
The utility model 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 utility model relates to marine propulsion shaftings to monitor field, more particularly to a kind of marine shafting operational monitoring system
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.
Utility model content
The purpose of this utility model is to provide a kind of reduction marine shafting bearing damage risk and to marine shafting into
The marine shafting operation monitoring system of row risk anticipation.
Technical solution adopted in the utility model is: a kind of marine shafting operation monitoring system comprising is arranged in ship
Light source emitter, wavelengt demodulator, signal projector, the signal receiver of oceangoing ship shafting front end, the light source emitter, wavelength solution
It adjusts device, signal projector to connect and connect by conducting wire, is connected at least two fiber-optic grating sensors on the light source emitter,
The fiber-optic grating sensor is arranged at the center of marine shafting, and several displacement sensings are also equipped on the marine shafting
Device, further includes signal processor and display equipment, and the output end of institute's displacement sensors and signal receiver is connected to signal
Processor, the signal processor are connect with display equipment.
It is further used as the improvement of technical solutions of the utility model, institute's displacement sensors are fixed on the bearing of marine shafting
On seat, the gauge head of institute's displacement sensors is vertical with marine shafting, and institute's displacement sensors include measure horizontal direction first
The second displacement sensor of displacement sensor and measurement vertical direction.
It is further used as the improvement of technical solutions of the utility model, institute's displacement sensors are grating displacement sensor.
It is further used as the improvement of technical solutions of the utility model, the marine shafting is provided centrally with a hole, described
Fiber-optic grating sensor is mounted in hole.
It is further used as the improvement of technical solutions of the utility model, further includes battery, the battery and light source emitter connect
It connects.
The utility model has the beneficial effects that this marine shafting operation monitoring system, passes through fiber-optic grating sensor and displacement
Sensor by marine shafting information by signal processor processes, and passes through display equipment real-time replay and monitoring marine shafting
Operation, 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 occurs, improves ship power safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does and simply introduces, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain 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 utility model is a kind of marine shafting operation monitoring system comprising is arranged in ship shaft
It is light source emitter 2, wavelengt demodulator 3, signal projector 4, the signal receiver 5 of 1 front end, the light source emitter 2, wavelength
Demodulator 3, signal projector 4 are connected by conducting wire and are 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, are also equipped on the marine shafting 1 several
Displacement sensor 7 further includes signal processor 8 and display equipment 9, the output end of institute's displacement sensors 7 and signal receiver 5
It is connected to signal processor 8, the signal processor 8 is connect with display equipment 9.This marine shafting operation monitoring system leads to
Fiber-optic grating sensor 6 and displacement sensor 7 are crossed, 1 information of marine shafting is handled by signal processor 8, and pass through display
The operation of 9 real-time replay of equipment and monitoring marine shafting 1, monitoring point is continuous, and it is pre- to carry out risk according to metrical information
Sentence, can reduce and bearing high temperature damage risk occurs when running under different operating conditions, 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 the utility model preferred embodiment, institute's displacement sensors 7 are fixed on the bearing block of marine shafting 1
On, the gauge head of institute's displacement sensors 7 is vertical with marine shafting 1, and institute's displacement sensors 7 include the first of measurement horizontal direction
The second displacement sensor 72 of displacement sensor 71 and measurement vertical direction.As a preference, institute's displacement sensors 7 are light
Displacement transducer.
As the utility model preferred embodiment, the marine shafting 1 is provided centrally with a hole, the optical fiber light
Gate 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
At the center of marine shafting 1.The utility model is using the curvature of spatial point come curve reconstruction shape, and curvature is a vector, both
There is size to have direction again, the direction of vector determines curved direction, and the size of vector determines curved degree, in order to
It determines the buckling vector that certain is put on space curve, the sizes values of the buckling vector at the point in two known directions need to be measured, from
And synthesize direction and the sizes values of buckling vector, and a fiber-optic grating sensor 6 can only reflect the direction song of certain point one
Rate sizes values, it is therefore necessary to use two fiber-optic grating sensors 6.
It further include battery 10 as the utility model preferred embodiment, the battery 10 connects with light source emitter 2
It connects.
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 utility model creation is not limited to above embodiment, and those skilled in the art are not disobeying
Equivalent deformation or replacement can be also made under the premise of back the spirit of the present invention, these equivalent variation or replacement are all contained in this
Apply in claim 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 |
|---|---|---|---|
| CN201920038591.XU CN209459600U (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 |
|---|---|---|---|
| CN201920038591.XU CN209459600U (en) | 2019-01-10 | 2019-01-10 | A kind of marine shafting operation monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN209459600U true CN209459600U (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920038591.XU Active CN209459600U (en) | 2019-01-10 | 2019-01-10 | A kind of marine shafting operation monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696137A (en) * | 2019-01-10 | 2019-04-30 | 广州文冲船厂有限责任公司 | A kind of marine shafting operation monitoring system |
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2019
- 2019-01-10 CN CN201920038591.XU patent/CN209459600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696137A (en) * | 2019-01-10 | 2019-04-30 | 广州文冲船厂有限责任公司 | A kind of marine shafting operation monitoring system |
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