CN101334669B - Ship rotation speed control system risks prealarming method - Google Patents
Ship rotation speed control system risks prealarming method Download PDFInfo
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- CN101334669B CN101334669B CN2008100540644A CN200810054064A CN101334669B CN 101334669 B CN101334669 B CN 101334669B CN 2008100540644 A CN2008100540644 A CN 2008100540644A CN 200810054064 A CN200810054064 A CN 200810054064A CN 101334669 B CN101334669 B CN 101334669B
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Abstract
The invention relates to a ship rotation speed control system risk pre-warning method. When the unusual situation of the ship rotation speed control system is found, the risk pre-warning is carried out according to the steps as follows: step 1: according to all equipment information collected in real time by sensors which are arranged at all the measurement points of the ship rotation speed control system, and the equipment running and failure information obtained manually, one failure mode of the failure modes as follows are determined: stopping failure mode due to the unstable starting of the diesel engine, stopping failure mode due to the sudden shutdown of the engine, failure mode caused by not achieving rated rotation speed, diesel engine run-away failure mode, and engine idle-car/rotation speed fluctuation failure mode; step 2: the risk pre-warning flow is determined according to the happened failure mode; subsequently, the risk pre-warning is executed according to corresponding diagnosis process. The method of the invention can provide reasonable basis for the daily maintenance and curing of the ship rotation speed control system after being used.
Description
Technical field
The invention belongs to faulty equipment diagnostic techniques field, relate to a kind of ship's fitting method for prewarning risk.
Background technology
For strengthening ship-handling, guarantee navigation safety, improve the security performance of boats and ships revolution speed control system, at boats and ships revolution speed control system major equipment such as PSG speed regulator, fuel lever, electronic governor motor, pneumatic positioner, torque spring, tightly stopping the actual motion state of sleeve etc. assesses, the serviceability rate of evaluation boats and ships revolution speed control system, and according to the assessment the result arrange emphasis overhaul of the equipments and maintenance targetedly, solve the problem of its existence, work out effective boats and ships revolution speed control system condition improvement plan, reinforcement is to the control and the management of boats and ships revolution speed control system, carry out maintaining, to guarantee the safety operation of boats and ships, avoid boats and ships in harbour state checks, to be detained, also can reduce the inspection and repair of ship expense simultaneously, thereby improve the competitive power of Ship Management Co..Because the index that boats and ships revolution speed control system state estimation relates to is more, relation between each influence factor is intricate, at present, domestic Shipping Company also mainly relies on appraiser's technical experience that the boats and ships revolution speed control system is implemented state estimation, has bigger subjectivity.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of prior art, set up the method for prewarning risk of a cover, realize Risk-warning and state estimation the naval vessel revolution speed control system at the naval vessel revolution speed control system.After method of the present invention comes into operation, can provide rational foundation for ordinary maintenance, the maintenance of naval vessel revolution speed control system.
The present invention adopts following technical scheme:
A kind of ship rotation speed control system risks prealarming method is characterized in that, is finding that the naval vessel revolution speed control system occurs carrying out Risk-warning according to the following step when unusual:
The first step: each facility information that collects in real time according to the sensor of installing at each measuring point place of naval vessel revolution speed control system and equipment operation and the failure message that obtains according to artificial investigation, determine the unstable stall fault mode of fault mode diesel engine starting, the flame-out suddenly stall fault mode of engine, do not reach the rated speed fault mode, the Runaway of Diesel Engine fault mode, any in engine tourist bus/fluctuation of speed fault mode;
Second step: determine the Risk-warning flow process at the fault mode type that takes place,
If determined fault type is a diesel engine starting instability stall fault mode, then carry out Risk-warning according to the following step:
(1) checks whether starting air pressure can meet the demands;
(2) check whether the lubricating oil cooling water temperature is enough;
(3) check whether the empty wagons rotating speed is normal;
(4) check whether the fuel control handle position is correct;
(5) whether the speed setting of inspection speed regulator meets the requirements;
(6) check whether operate as normal of pneumatic control system;
(7) investigation (1) is after (6), checks that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down, otherwise, judge that main frame itself breaks down;
As if determined fault type is the flame-out suddenly stall fault mode of engine, then carries out Risk-warning according to the following step:
(1) checks whether load has problem;
(2) check whether the automatic stopping device action is normal, if undesired, judges that then automatic stopping device breaks down
(3) check whether the fuel control handle position is correct;
(4) whether the speed setting of inspection speed regulator meets the requirements;
(5) check whether operate as normal of pneumatic control system;
(6) investigation (1) is after (5), checks that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down, otherwise, judge that main frame itself breaks down;
If determined fault type is not for reaching the rated speed fault mode, then carry out Risk-warning according to the following step:
(1) checks whether load has problem;
(2) check whether the fuel control handle position is correct;
(3) whether the speed setting of inspection speed regulator meets the requirements;
(4) check whether operate as normal of pneumatic control system;
(5) investigation (1) is after (4), checks that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down, otherwise, judge that main frame itself breaks down.
If determined fault type is the Runaway of Diesel Engine fault mode, then carry out Risk-warning according to the following step:
(1) checks whether the fuel control handle position is correct;
(2) whether the speed setting of inspection speed regulator meets the requirements;
(3) check whether operate as normal of pneumatic control system;
(4) investigation (1) is after (3), checks that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down, otherwise, judge that main frame itself breaks down.
If determined fault type is engine tourist bus/fluctuation of speed fault mode, then carry out Risk-warning according to the following step:
(1) checks whether load has problem;
(2) check whether the fuel control handle position is correct;
(3) check whether operate as normal of pneumatic control system;
(4) check that whether the fuel oil connecting link connects correct, judges whether to occur the improper or stuck phenomenon in connecting link gap;
(5) investigation (1) is after (4), checks that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down, otherwise, judge that main frame itself breaks down.
The present invention is applied to the Risk-warning of naval vessel revolution speed control system, by the actual operating state of each equipment being monitored the report fault mode that provides, Risk-warning flow process in conjunction with the present invention's proposition, the operating fault of revolution speed control system is judged identification, can make the situation of the Risk-warning of naval vessel revolution speed control system being broken away from main dependence maintainer's technical experience, can improve daily servicing, the management level on naval vessel, guarantee its safety.Simultaneously, utilize said method to carry out software development, application, can improve scientific, the level of IT application of ship-handling.
Description of drawings
The unstable stall Risk-warning of Fig. 1 diesel engine starting process flow diagram;
The flame-out suddenly stall Risk-warning process flow diagram of Fig. 2 engine;
Fig. 3 does not reach rated speed Risk-warning process flow diagram;
Fig. 4 Runaway of Diesel Engine Risk-warning process flow diagram;
Fig. 5 engine tourist bus/fluctuation of speed Risk-warning process flow diagram.
Embodiment
At first set forth the governing system principle of work below:
Engine speed is to be installed in the Wood water PSG speed regulator of handling side by one to control, and speed regulator is by the position of fuel lever control injection pump rack.Injection pump in body upside-down mounting below camshaft.Pump rack is connected on the fuel lever that is contained in the body by clamp and short tension spring, and this operating rod loads in the pair roller and can axially move.The motion of fuel lever is delivered on the oil pump denticle by the clamp of forcing locking in the full load direction, then lean on the effect of tension spring towards the " STOP " direction, this structure allows when one or more injection pump blocks, pump rack can draw towards the " STOP " direction, so that engine under any circumstance can both stop.
Wood water speed regulator is linked on the fuel lever by a series of levers and axle and connecting rod.Actual injection pump position is represented by the scaleplate and the groove that are installed on the axle.Manually stopping relies on handle, and motion is in the other direction cushioned by torque spring.
For regulating desired rotating speed, Wood water speed regulator can be equipped with an electronic governor motor, or adorns a pneumatic positioner.
Diesel engine can be directly by moving handle or realizing stopping by handling oil feeder.It then is to realize by lugs that the hypervelocity safeguard protection is stopped.This device is tightly stopped sleeve and is released from latched position by the pneumatic actuator action, rotates under the torque spring effect of pretension, shifts handle onto the " STOP " position.
After the action of tight stop device, limit switch promptly cuts off the power supply of the solenoid valve of topworks at once, prevents its long-term energising and damages, and can utilize its another pair switch contact to send signal simultaneously.
Below in conjunction with accompanying drawing technical scheme of the present invention is done detailed description.
Finding that the naval vessel revolution speed control system takes place when unusual, at first each facility information that collects in real time according to the sensor of installing at each measuring point place of naval vessel revolution speed control system and equipment operation and the failure message that obtains according to artificial investigation, determine that fault mode is the unstable stall fault mode of diesel engine starting, the flame-out suddenly stall fault mode of engine, do not reach the rated speed fault mode, the Runaway of Diesel Engine fault mode, any in engine tourist bus/fluctuation of speed fault mode.And then carry out different risk profiles at fault mode.
1. engine has had running action, but can not keep the rotating speed that needs and stop.Referring to Fig. 1, at this moment, should check at first whether starting air pressure can meet the demands, if no problem, and then check whether the lubricating oil cooling water temperature enough, last two normal after, check governing system.
The general inspection of governing system is in proper order, at first check to vacate whether rotating speed normal, whether the fuel control handle position correct, promptly control the mechanism of governing system work and control rotating speed, whether the speed setting of next seeing speed regulator meets the requirements, and sees the control system of speed regulator then, i.e. pneumatic control system operate as normal whether, above-mentioned malfunction elimination finishes, check that at last speed regulator whether can operate as normal, if can not, be judged as the speed regulator fault.
If next the governing system non-fault then checks other system, as hostdowns such as fuel system, main frame bodies.
2. engine is flame-out suddenly, be mean engine stable rotation certain hour after, flame-out suddenly stall.Meeting this situation, referring to Fig. 2, check at first whether load has problem, may be that screw propeller is snarled by fishing net or reason such as water outlet causes.
If load is no abnormal, then investigate the governing system fault.The general inspection of governing system is in proper order, check at first whether automatic stopping device work is normal, check fuel control handle then, promptly control the mechanism of governing system work and control rotating speed, see the control system of speed regulator then, i.e. pneumatic control system operate as normal whether, above-mentioned malfunction elimination finishes, under all trouble-free situation, be inferred as the speed regulator fault.
Next the governing system non-fault then checks other system, as hostdowns such as fuel system, air inlet system and exhaust system, main frame bodies.
The minimum idling of diesel engine do not reach/unstable, do not reach rated speed, add less than three kinds of situation investigations orders of maximum speed similar.Referring to Fig. 3, check at first whether load has problem, may be that screw propeller is snarled by fishing net or reason such as water outlet causes.
If load is no abnormal, then investigate the governing system fault.The general inspection of governing system is in proper order, at first check fuel control handle, promptly control the mechanism of governing system work and control rotating speed, whether the speed setting of next seeing speed regulator meets the requirements, see the control system of speed regulator then, i.e. pneumatic control system operate as normal whether, above-mentioned malfunction elimination finishes, under all trouble-free situation, be inferred as the speed regulator fault.
Next the governing system non-fault then checks other system and hostdown.
4. Runaway of Diesel Engine is meant that rotating speed surpasses more than 110% of rated engine speed.
The general inspection of governing system is in proper order referring to Fig. 4: at first check fuel control handle, promptly control the mechanism of governing system work and control rotating speed, whether the speed setting of next seeing speed regulator meets the requirements, see the control system of speed regulator then, it is whether operate as normal of pneumatic control system, above-mentioned malfunction elimination finishes, and under all trouble-free situation, is inferred as the speed regulator fault.
Next the governing system non-fault then checks other system and hostdown.
5. the engine tourist bus is meant the effect of ending speed regulator with manual, and the intermittence that can eliminate speed changes, but when an effect that recovers speed regulator, this irregular vibration variation will reappear again.
The engine speed fluctuation is meant with the effect of manually ending speed regulator, can eliminate huge speed and intermittently change, and when recovering speed regulator control, this variation no longer occurs, unless change speed is regulated or change of load.
Referring to Fig. 5, the engine tourist bus or the fluctuation of speed, it is the most common sign of engine revolution speed control system fault, both investigation fault means are similar, concrete investigation step is at first, check fuel control handle, promptly control the mechanism of governing system work and control rotating speed, next see the control system of speed regulator, promptly pneumatic control system operate as normal whether checks then whether the fuel oil connecting link connects correctly, the gap can not be excessive or too small, above-mentioned malfunction elimination finishes, and under all trouble-free situation, is inferred as the speed regulator fault.
Claims (1)
1. a ship rotation speed control system risks prealarming method is characterized in that, when finding that the naval vessel revolution speed control system breaks down, carries out Risk-warning according to the following step:
The first step: each facility information that collects in real time according to the sensor of installing at each measuring point place of naval vessel revolution speed control system and equipment operation and the failure message that obtains according to artificial investigation, determine that fault mode is the unstable stall fault mode of diesel engine starting, the flame-out suddenly stall fault mode of engine, do not reach the rated speed fault mode, the Runaway of Diesel Engine fault mode, any in engine tourist bus/fluctuation of speed fault mode;
Second step: determine the Risk-warning flow process at the fault mode type that takes place,
If determined fault type is a diesel engine starting instability stall fault mode, then carry out Risk-warning: should check at first whether starting air pressure can meet the demands according to the following step, if no problem, and then check whether the lubricating oil cooling water temperature is enough, last two normal after, check governing system; The checks sequence of governing system is, at first check to vacate whether rotating speed normal, whether the fuel control handle position correct, whether the speed setting of next checking speed regulator meets the requirements, check whether operate as normal of pneumatic control system then, above-mentioned malfunction elimination finishes, check that at last speed regulator whether can operate as normal, if can not, be judged as the speed regulator fault;
As if determined fault type is the flame-out suddenly stall fault mode of engine, then carries out Risk-warning according to the following step: check at first whether load has problem, if load is no abnormal, then investigates governing system and whether break down; The checks sequence of governing system is, check at first whether automatic stopping device work is normal, check fuel control handle then, whether the pneumatic control system of checking speed regulator then operate as normal, above-mentioned malfunction elimination finishes, check that at last speed regulator whether can operate as normal, if can not, be judged as the speed regulator fault;
If determined fault type is not for reaching the rated speed fault mode, then carry out Risk-warning according to the following step:
Check at first whether load has problem,, then investigate the governing system fault if load is no abnormal; The checks sequence of governing system is, at first check fuel control handle, whether the speed setting of next checking speed regulator meets the requirements, whether the pneumatic control system of checking speed regulator then operate as normal, above-mentioned malfunction elimination finishes, check that at last speed regulator whether can operate as normal, if can not, be judged as the speed regulator fault;
If determined fault type is the Runaway of Diesel Engine fault mode, then carry out Risk-warning: at first check fuel control handle according to the following step, whether the speed setting of next checking speed regulator meets the requirements, whether the pneumatic control system of checking speed regulator then operate as normal, above-mentioned malfunction elimination finishes, check that at last speed regulator whether can operate as normal, if can not, be judged as the speed regulator fault;
If determined fault type is engine tourist bus/fluctuation of speed fault mode, then carry out Risk-warning: at first check fuel control handle according to the following step, whether the pneumatic control system of next checking speed regulator operate as normal, check then whether the fuel oil connecting link connects correctly, the gap can not be excessive or too small, check that speed regulator whether can operate as normal, if can not, judge that then speed regulator breaks down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100540644A CN101334669B (en) | 2008-08-05 | 2008-08-05 | Ship rotation speed control system risks prealarming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100540644A CN101334669B (en) | 2008-08-05 | 2008-08-05 | Ship rotation speed control system risks prealarming method |
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| Publication Number | Publication Date |
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| CN101334669A CN101334669A (en) | 2008-12-31 |
| CN101334669B true CN101334669B (en) | 2010-06-23 |
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| CN2008100540644A Expired - Fee Related CN101334669B (en) | 2008-08-05 | 2008-08-05 | Ship rotation speed control system risks prealarming method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527318B (en) * | 2013-10-09 | 2016-01-13 | 潍柴动力股份有限公司 | A kind of electric-control diesel engine driving guard method and device |
| CN106054862B (en) * | 2016-06-23 | 2018-06-05 | 中车大连机车车辆有限公司 | Diesel generating set runaway control method |
| CN113586241B (en) * | 2021-09-28 | 2021-12-03 | 丹华海洋工程装备(南通)有限公司 | Marine diesel engine rotating speed fault detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631515A (en) * | 1981-04-22 | 1986-12-23 | Ae Plc | Vehicle gear shift indicator |
| CN2572346Y (en) * | 2002-10-09 | 2003-09-10 | 刘敏林 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
| CN2743553Y (en) * | 2004-11-15 | 2005-11-30 | 胡晓波 | Electron pressurizing unit |
| CN101149621A (en) * | 2007-11-09 | 2008-03-26 | 天津大学 | Roll-on transport ship instant state evaluation method |
-
2008
- 2008-08-05 CN CN2008100540644A patent/CN101334669B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631515A (en) * | 1981-04-22 | 1986-12-23 | Ae Plc | Vehicle gear shift indicator |
| CN2572346Y (en) * | 2002-10-09 | 2003-09-10 | 刘敏林 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
| CN2743553Y (en) * | 2004-11-15 | 2005-11-30 | 胡晓波 | Electron pressurizing unit |
| CN101149621A (en) * | 2007-11-09 | 2008-03-26 | 天津大学 | Roll-on transport ship instant state evaluation method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-331484A 2007.12.27 |
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Granted publication date: 20100623 Termination date: 20100805 |