CN108181030A - Ship shaft power wireless test and capability evaluating device - Google Patents
Ship shaft power wireless test and capability evaluating device Download PDFInfo
- Publication number
- CN108181030A CN108181030A CN201711429448.5A CN201711429448A CN108181030A CN 108181030 A CN108181030 A CN 108181030A CN 201711429448 A CN201711429448 A CN 201711429448A CN 108181030 A CN108181030 A CN 108181030A
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- Prior art keywords
- ship
- shaft power
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- point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Based on point-to-point and foil gauge non-contact, high-performance and complicated test condition ship shaft power wireless test and capability evaluating device are adapted to the invention discloses a kind of.The present invention using point-to-point transmission mode, realizes online dynamic test, the Performance Evaluation of ship shaft power, and infer the matching state of ship machine paddle by being packaged in the torque and power of four strain measurement ship shafts of liner.It compared with current ship shaft power test device, can not only test outside shaft power, moreover it is possible to which dynamic evaluation Axial Status and the match condition for inferring ship machine paddle, versatility is stronger, and the scope of application is wider.The present invention improves the accuracy of detection, stability, enhances the validity of transmission, increases the function of ship shaft power detection device, extends application range, effectively improves the safety of ship's navigation, economy.
Description
Technical field
The invention belongs to the detection of marine diesel shaft power and Performance Evaluation technical fields, and in particular to based on foil gauge
Shafting power radio detection and capability evaluating device.
Background technology
Ship shaft power can effectively characterize ship power performance, and ship is during navigation, and operating mode is complicated, if not
Main engine power or overload operation, which can be given full play to, can shorten host service life, and reduce the economy of ship power system
Property.In addition the non-steady states such as the emergency brake of ship, fast starting, the positive vehicle rapid translating of reversing, unexpected acceleration or deceleration move
Make frequently, the shafting of Ship Power Equipment to be caused to be caused the damage of shafting and ship failure by excessive instantaneous torque power.Cause
Effective measurement of this shaft power and shafting Performance Evaluation, the deduction of ship z-type propulsion can be that the repair of ship power equipment is protected
It supports and decision data is provided, effectively improve the safety of ship's navigation, economy.
Spot ship Shaft power measurement device wireless transmission signal loss it is more serious, be not suitable for dynamic evaluation Axial Status and
Infer the match condition of ship machine paddle, only test shaft power, performance is relatively simple, and versatility is not strong.
Invention content
The present invention is serious for the loss of ship shaft power test device wireless transmission signal, and performance is single, provides a kind of base
In point-to-point and foil gauge non-contact, high-performance and adapt to complicated test condition ship shaft power wireless test and Performance Evaluation
Device.
The present invention includes foil gauge shaft power detection module, Point-to-Point Data Transmission module, analog-to-digital conversion module and performance
Evaluation module.
The foil gauge shaft power detection module includes foil gauge, speed probe, signal conditioning circuit.Foil gauge is
Bridge-type connects, 45 ° of every foil gauge and axis angle, and adjacent two panels is orthogonal, adjacent when ensureing a piece of tension stress
Two panels compression chord.Foil gauge output terminal is connected with signal conditioning circuit, realizes the filtering and amplification of signal, the signal tune
Reason circuit can adjust amplification factor as desired.Speed probe can measure diesel engine flash speed, pass through signal condition electricity
The measurement of current diesel engine speed is realized on road.
The Point-to-Point Data Transmission module includes point-to-point transmitting and receiving module, and transmitting terminal input lead is with passing through
Foil gauge signal and tach signal after conditioning are connected, and by modulation, export analog signal by transmitting terminal, receiving module receives
The analog signal of transmitting terminal.
The analog-to-digital conversion module include A/D modular converters, 24.The receiving module of wireless transmission receives analog signal
Afterwards, it is exported through delivery outlet, output terminal is connected with the signal input part of A/D modular converters, is converted to digital signal.
The performance estimation module uses acquisition, measures conversion and the Performance Evaluation of LABview program development.Performance is commented
Module is estimated by acquisition, and the output signal of A/D modular converters is converted into corresponding shaft power value, passes through the upper of ship shaft power
Limit and lower limiting value assessment shafting performance, and infer the match condition of ship machine paddle.
The present invention has the beneficial effect that：The present invention is real by packaged foil gauge and point-to-point wireless signal transmission
The on-line testing of existing shaft power and Performance Evaluation, can conveniently complete the installation of foil gauge, reduce strain gauge adhesion
Human error improves the precision of detecting system.The wireless transmission strong antijamming capability of use, the loss of signal is small, can be dynamic
Monitoring and assessment shafting performance.The monitor and performance evaluation system of exploitation can effectively assess Axial Status and infer ship machine paddle
Match condition, the safety of ship's navigation can be improved, economy is of great significance.
Description of the drawings
Fig. 1 shows for ship shaft power wireless test of the present invention and the connection of capability evaluating device global design figure and each sub-module
It is intended to.
Fig. 2 is patent ship shaft power Performance Evaluation process schematic of the present invention.
1 in Fig. 1, foil gauge shaft power detection module, 2, Point-to-Point Data Transmission module, 3, analog-to-digital conversion module, 4, property
It can evaluation module.
In Fig. 2 input parameter for ship parameter, Diesel Engine Parameters, shaft power, propeller parameter, by boat diesel engine,
Resistance, propeller characteristic analysis, export ship's navigation characteristic and oil consumption.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
Label 1 includes the foil gauge of encapsulation, speed probe, letter for the foil gauge shaft power detection module in Fig. 1
Number conditioning module.Foil gauge pin 3 is plant-grid connection mouth, and pin 4 is grounded, the IN1+ of pin 1,2 and signal conditioning circuit and
IN1- input interfaces are connected, and speed probe pin 5,6 is connected with IN2+ the and IN2- input interfaces of signal conditioning circuit.Signal
Output terminal O1+, O1-, O2+, O2- of modulate circuit respectively with input interface IN1+, IN1- of wireless transmitter module, IN2+,
IN2- is connected.
Point-to-Point Data Transmission module in Fig. 1 described in label 2, it is defeated including signal transmitting and signal receiving module, two-way
Enter and export.VCC is plant-grid connection mouth, and GND is grounded.IN1+, IN1-, IN2+, IN2- end of signal emission module are defeated for signal
Incoming interface.IN1+, IN1-, IN2+, IN2- of signal receiving module are signal output port, IN1+ with A/D modular converters,
IN1-, IN2+, IN2- are connected.
Analog-to-digital conversion module in Fig. 1 described in label 3 realizes that analog signal is converted to digital signal, IN1+, IN1-, IN2
+, IN2- be input end of analog signal, the digital signal after analog-to-digital conversion is connected by OTG lines with flat board mobile phone, and VCC is power supply
Access port, GND ground connection.
Performance estimation module described in label 4 is commented using acquisition, measures conversion and the performance of LABview program development in Fig. 1
Estimate software, be installed on flat board mobile phone.The output signal of A/D modular converters is converted to correspondence by performance estimation module by acquisition
Shaft power value, shafting performance is assessed, and join according to ship parameter, diesel engine by the upper limit and lower limiting value of ship shaft power
Number, shaft power, the match condition of propeller parametric inference ship machine paddle.
Include ship parameter, Diesel Engine Parameters, shaft power, propeller parameter, mark for input parameter described in label 5 in Fig. 2
Numbers 6 described for calculating process, is calculated including boat diesel engine, resistance, propeller characteristic analysis, is output described in label 7, including
Ship's navigation characteristic and oil consumption.
Below in conjunction with the accompanying drawings 1, attached drawing 2 further describes the present invention.
The present invention is as follows using the course of work：
1）Foil gauge shaft power detection module
Foil gauge shaft power detection module uses four foil gauges, and four foil gauges are mutually perpendicular to two-by-two, and are with axis angle
It 45 °, is connected, is packaged on thin liner using bridge-type, be the primary link for realizing shaft power measurements and shafting Performance Evaluation.With biography
The measuring system of system is compared, it is only necessary to is directed at thin pad axis and shafting axis, can conveniently be completed the peace of foil gauge
Dress reduces the human error of strain gauge adhesion, improves the precision of detecting system.
Speed probe uses photoelectric encoder, can measure transient speed, has real-time.
Signal conditioning circuit can be filtered and amplify to foil gauge signal, and can carry out essence by adjustable resistance
True amplification gear adjustment.Synchronous signal modulate circuit can be filtered and improve to transient speed signals.
Foil gauge shaft power detection module bundled fixed is on ship shaft.
2）Point-to-Point Data Transmission module
Point-to-Point Data Transmission module includes transmitting and receiving terminal, by the foil gauge signal and tach signal of Signal-regulated kinase
The signal input part of transmitting terminal is accessed, by modulation, air analog signal is exported by transmitting terminal.Point-to-Point Data Transmission module
Transmitting terminal be bundled on ship shaft.The received end of air analog signal receives, the output being no difference.Strong antijamming capability,
The loss of signal is small, compared with tradition, can meet the real-time measurement of shaft power and dynamic Performance Evaluation.
3）Analog-to-digital conversion module
Point-to-Point Data Transmission module receiving terminal output signal accesses 24 A/D modular converters, and analog quantity is converted to digital quantity,
It is acquired by data collecting card, and passes through OTG lines and be transferred to tablet computer.
4）Performance estimation module
Performance estimation module includes 2 aspect contents, when shafting Performance Evaluation, second is that ship shaft z-type propulsion.
Shafting Performance Evaluation is compared with the upper limit and lower limiting value by detecting current shaft power, prevents main engine power not
It can give full play to or overload operation.It is quick for emergency brake, fast starting, the positive vehicle of reversing and due to being dynamic monitoring
The non-steady states such as conversion, unexpected acceleration or deceleration such as act frequently at the operating modes, detect shafting power and torque in real time, can prevent ship
The shafting of oceangoing ship power plant is caused the damage of shafting and ship failure by excessive instantaneous torque power.
Ship shaft z-type propulsion according to ship parameter, Diesel Engine Parameters, shaft power, propeller parametric inference ship machine paddle
With situation.Matching primitives include diesel engine characteristic analysis, drag characteristic analysis, propeller characteristic analysis, can according to above-mentioned analysis
Obtain ship's navigation characteristic and oil consumption.
A kind of ship shaft power wireless test of the present invention and capability evaluating device, are believed using foil gauge and speed probe
Number, by wireless point-to-point transmission mode, Shafting torque and shaft power can be measured in real time, and realize the property of shafting in tablet computer
It can assess and infer the matching state of axis machine paddle, the safety of ship's navigation, economy can be improved.
The particular technique index that the present invention has is as follows：
（1）System power supply voltage：5V；
（2）Output voltage range：0V~5V；
（3）Accuracy of detection：0.001V；
（4）Foil gauge fatigue life：>10000000 times
To sum up, the present invention is based on foil gauge and speed probe wireless transmission ship shaft power wireless test and Performance Evaluation
The design of device can conveniently complete the installation of foil gauge, reduce the human error of strain gauge adhesion, improve detection system
The precision of system.The wireless transmission strong antijamming capability of use, the loss of signal is small, dynamically can monitor and assess shafting performance.
The monitor and performance evaluation system of exploitation can effectively assess Axial Status and infer the match condition of ship machine paddle, can improve ship
The safety of oceangoing ship navigation, economy are of great significance.
Claims (1)
1. ship shaft power wireless test and capability evaluating device, including foil gauge shaft power detection module, Point-to-Point Data passes
Defeated module, analog-to-digital conversion module and performance estimation module, it is characterised in that：
The foil gauge shaft power detection module includes the foil gauge of encapsulation, speed probe, signal conditioning circuit；Foil gauge
Shaft power detection module uses four foil gauges, and four foil gauges are mutually perpendicular to two-by-two, and is 45 ° with axis angle, using bridge
Formula connects, and is packaged on thin liner；Foil gauge pin 3 is plant-grid connection mouth, and pin 4 is grounded, pin 1,2 and signal conditioning circuit
IN1+ and IN1- input interfaces be connected, IN2+ the and IN2- input interfaces of speed probe pin 5,6 and signal conditioning circuit
It is connected；Output terminal O1+, O1-, O2+, O2- of signal conditioning circuit respectively with input interface IN1+, IN1-, IN2 of transmitting module
+, IN2- is connected；
The Point-to-Point Data Transmission module includes signal transmitting and signal receiving module, two-way input and output；Signal is sent out
IN1+, IN1-, IN2+, IN2- end for penetrating module are signal input interface；IN1+, IN1-, IN2+, IN2- of signal receiving module
For signal output port, it is connected with IN1+, IN1-, IN2+, IN2- of A/D modular converters；
The analog-to-digital conversion module realizes that analog signal is converted to digital signal, and IN1+, IN1-, IN2+, IN2- believe for simulation
Number input terminal, the digital signal after analog-to-digital conversion are connected by OTG lines with flat board mobile phone；
The performance estimation module uses acquisition, measures conversion and the Performance Evaluation software of LABview program development, is installed on
Flat board mobile phone；The output signal of analog-to-digital conversion module is converted to corresponding shaft power value, is led to by performance estimation module by acquisition
The upper limit of ship shaft power and lower limiting value assessment shafting performance are crossed, and according to ship parameter, Diesel Engine Parameters, shaft power, spiral shell
Revolve the match condition of paddle parametric inference ship machine paddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429448.5A CN108181030A (en) | 2017-12-26 | 2017-12-26 | Ship shaft power wireless test and capability evaluating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429448.5A CN108181030A (en) | 2017-12-26 | 2017-12-26 | Ship shaft power wireless test and capability evaluating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108181030A true CN108181030A (en) | 2018-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429448.5A Pending CN108181030A (en) | 2017-12-26 | 2017-12-26 | Ship shaft power wireless test and capability evaluating device |
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| CN (1) | CN108181030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502829A (en) * | 2019-07-03 | 2022-05-13 | 雅苒海洋技术有限公司 | Method and system for controlling propulsion power output of a marine vessel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213537U (en) * | 1987-09-21 | 1988-07-13 | 安徽省农业机械化研究所 | Power measuring device |
| CN202255722U (en) * | 2011-08-29 | 2012-05-30 | 泰安思科赛德电子科技有限公司 | Coal mine underground IOT (Internet of Things) wireless transmission type fully mechanized support pressure gauge |
| CN202433134U (en) * | 2011-12-19 | 2012-09-12 | 浙江海洋学院 | Ship shaft power measuring device |
-
2017
- 2017-12-26 CN CN201711429448.5A patent/CN108181030A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213537U (en) * | 1987-09-21 | 1988-07-13 | 安徽省农业机械化研究所 | Power measuring device |
| CN202255722U (en) * | 2011-08-29 | 2012-05-30 | 泰安思科赛德电子科技有限公司 | Coal mine underground IOT (Internet of Things) wireless transmission type fully mechanized support pressure gauge |
| CN202433134U (en) * | 2011-12-19 | 2012-09-12 | 浙江海洋学院 | Ship shaft power measuring device |
Non-Patent Citations (4)
| Title |
|---|
| 杨祯起: "《船舶轴功率检测仪的设计与研制》", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 肖森，于学兵: "《船舶轴功率遥测系统的设计与精度分析》", 《柴油机》 * |
| 郝鸿雁: "《船舶主机轴功率应变式遥测系统的设计与应用》", 《船海工程》 * |
| 雷浩，袁强，金晓，徐步藕，刘桢: "《船舶主推进装置轴功率测试方法研究与分析》", 《造船技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502829A (en) * | 2019-07-03 | 2022-05-13 | 雅苒海洋技术有限公司 | Method and system for controlling propulsion power output of a marine vessel |
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Application publication date: 20180619 |