CN204037881U - Oil electricity is from hybrid propulsion - Google Patents
Oil electricity is from hybrid propulsion Download PDFInfo
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- CN204037881U CN204037881U CN201420369788.9U CN201420369788U CN204037881U CN 204037881 U CN204037881 U CN 204037881U CN 201420369788 U CN201420369788 U CN 201420369788U CN 204037881 U CN204037881 U CN 204037881U
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Abstract
The utility model discloses oil electricity from hybrid propulsion, comprise controller, drive platform, power supervisor, power accumulator group, actuator, synchronous dynamo, marine propeller, main diesel engine, gear case, power accumulator group is electrically connected by power supervisor and controller, controller with drive platform and electrically connect; Controller also electrically connects actuator, and actuator electrical connects synchronous dynamo, and the motor shaft of synchronous dynamo installs synchronous pulley one; Controller also electrically connects diesel engine throttle motor servo driver, and diesel engine throttle motor servo driver electrically connects diesel engine throttle servomotor; Main diesel engine installs synchronous pulley two by gear case, by synchronous cog belt interlock between synchronous pulley two and synchronous pulley one; The motor shaft of synchronous cog belt and synchronous dynamo, by synchronous pulley one interlock, passes through synchronous pulley two interlock, the other end of universal coupling and the power intake interlock of marine propeller with one end of universal coupling.
Description
Technical field
The utility model belongs to ship power system technical field, is specifically related to a kind of oil electricity applying to inland water transport boats and ships from hybrid propulsion.
Background technology
Transportation is one of major fields of energy resource consumption and discharge, and boats and ships are as the maximum apparatus of transport of carrying capacity ratio in communications and transportation, and the quality of its energy-saving effect is very large on the impact of national economy.Energy-saving and emission-reduction have become the important topic of countries in the world shipbuilding circles and shipping community's research; the problems such as it is related to saving fuel resource and cost, reduce exhaust emission, the economic benefit of environmental protection and shipping transport; development low-carbon economy is also the important channel realizing the transformation of communications and transportation development pattern.
2011, Marine Environmental Protection Committee of International Maritime Organization (IMO) have passed international ocean shipping reduction of greenhouse gas discharge measure mandatory provision, determined new ship design energy efficiency index EEDI and boats and ships energy efficiency management plan SEEMP two boats and ships Energy Efficiency Standards.China's " inland river green ship specification " also comes into force, proposes clear and definite requirement to the energy efficiency indexes of inland water transport boats and ships, emission control and noise emission etc.
The subject matter that current inland water transport boats and ships exist:
1, navigation channel is complicated and changeable, main engine power redundancy
China's cruiseway waters is vast, silk floss is prolonged in course line, navigation channel is complicated, for adapting to the needs of the geographical environments such as different navigation channel current port and piers, the main engine power of usual inland water transport boats and ships has certain redundancy when designing, so that when bad working environments, can ensure the safety of propulsion of ship, this just makes main frame all not operate in its optimum condition at a large amount of work-hourses, i.e. the most energy-conservation and most effective point.
2, by drinking water restriction, propeller efficiency is lower
The branch line situation of many cruiseways is also in below 5 grades of navigation channels, the depth of water is more shallow, weedy under water, riverway sludge is piled up, even if river course is through canalization, but because river surface is narrow, boats and ships are when crossing or surmount, extremely near with bank, for avoiding the grazing of screw propeller and river levee, add the impact by drinking water restriction, the diameter of the screw propeller of usual inland navigation craft is all less, causes propulsion coefficient lower.
3, city or Scenic Spot Area are passed through in navigation channel, and environmental pollution is serious
River navigation and littoral resident living closely bound up, the discharge of diesel engine and noise, had a strong impact on the life of two sides resident, becomes the problem that environmental air pollution aspect is very important.
In view of the foregoing, current inland water transport boats and ships are badly in need of seeking various new forms of energy, new product, up-to-date technology, with the energy-conservation energy, emissions reduction, reduction noise for basic goal.Boats and ships hybrid propulsion system is one of current research direction.
(1) the external present Research about boats and ships hybrid propulsion system at present
Hybrid power boats and ships technology is still in the stage constantly explored and study at present.In the world, having many Research Centers to propose some correlation theories and method, and realize to some extent at submarine and yacht field---the submarine of first fuel cell and bavin one electric mixed dynamic system starts to shake down first in April, 2003 at Kiel, Germany port in the world.In January, 2010, Italy and Slovenia joint research and development GREENLINE 33 hybrid power yacht are first the yachts being mixed with battery pack, solar power and diesel powered.In recent years, ship design person started this concept to apply to merchant navy vessel, especially deep ocean work multipupose vessel.
The external boats and ships hybrid propulsion system used at present is one of a kind of new propulsion mode combining mechanically-propelled and electric propulsion, machinery (main diesel engine) propelling and electric power (generator set) are advanced combine, according to different operating mode, different demands, switch main diesel engine drives screw propeller or main diesel engine and axle translator to drive screw propeller simultaneously, efficiently solve the demand that operating mode in the boats and ships short time is changeable and export compared with high thrust, decrease total fuel consumption and the exhaust emission of boats and ships, the operation cost of boats and ships can be saved, improve the reliability of vessel motion simultaneously.
(2) development of domestic boats and ships hybrid propulsion system
Domesticly start late in boats and ships hybrid power field, the example of successful Application is also few.The more hybrid power of current elaboration mainly refers to " new forms of energy blended electric power boats and ships ".The new forms of energy being commonly used for ship power have solar power, wind energy etc., and wind energy is due to by region restriction and stability, continuity and poor reliability, improper as the small inland river steamer energy.And the battery of electric propulsion apparatus mainly contains fuel cell, ultracapacitor and electrokinetic cell etc., wherein suitable as ship power source using electrokinetic cell, simultaneously, for improving flying power and the redundancy of boats and ships, in hybrid power boats and ships, adopt the diesel powerplant of technology maturation as auxiliary power.
The boats and ships of oil electric mixed dynamic propulsion system are applied less at home, even if application, also be the switching use of different operating mode, i.e. electric propulsion supplementing as diesel propulsion, when small load condition, adopt electric propulsion, switch to diesel propulsion when high load working condition, excessive to make up diesel engine discharge index when the low moment of torsion of slow speed of revolution, the defect of the criterion of the fuel consumption difference.
(3) oil electric mixed dynamic propulsion system applies the subject matter run at inland navigation craft
Domesticly start late in hybrid power boats and ships field, the example of successful Application is also few.Major cause has:
1. system complex, research and development technology difficulty is large
Because oil electricity relates to the automatic transformation of axle translator mode of operation under different load behaviors in hybrid propulsion system design, the application of two-way converter technique, and for realize two kinds of different dynamic steadily and car and the technical scheme taked, comprise the stacked system of shp, the energy management system of hybrid power, the series engineering such as software development and measurement, monitoring, security system, this is the system ensemble engineering of a professional complexity.Simultaneously because navigation channel changes greatly, boats and ships operating mode is more complicated, and the difficulty of matching of the performance of oil electric mixed dynamic system and navigation channel and ship condition is higher, and the large cost of research and development technology difficulty is high.Domestic actual installation on boats and ships the less report of the case of successful operation at present, relevant design research and development and application experience not enough, the technical parameter of energy-saving and emission-reduction and index do not measure through the inspection of authoritative department, do not have a cogency.
2. automation mechanized operation requires higher, and crew quality does not catch up with
At present LABVIEW software programming is usually adopted to the software that oil electric mixed dynamic boats and ships carry out controlling to monitor, operator platform is arranged on the form of figure card module, and form display interface by multi-form configuration, so that driver grasps the operation conditions of the various equipment such as cabin diesel engine, electrical generator, storage battery in time, ensure that safety of ship runs.Relative to the mechanical propelling ship operator platform of tradition, oil electricity from the automation of hybrid power system operator platform, intelligence degree and monitoring facilities and computer operating system degree of automation higher, higher requirement be it is also proposed for crew quality, industry will be allowed to accept as novel operating system and be familiar with also needing the process of a section longer.
3., for simple diesel engine or electric propulsion, initial cost cost is larger
Because oil electricity is higher from the intellectuality of mixed propulsion system, degree of automation, the matured product of energy transfer mechanism, two-way frequency-changing control system and measuring and protecting system is few, needs special research and development.Add in operation from now on and also add maintenance to this system, maintenance and overhead charges, therefore ship building cost will be caused higher than the mechanical propulsion system of tradition, add traditional thoughtcast, think that inland water transport boats and ships main engine power is less, the speed of a ship or plane is comparatively slow, does not have much spaces in energy-saving and emission-reduction.
Summary of the invention
In view of the problems referred to above that prior art exists, the utility model provides a kind of oil electricity applying to inland water transport boats and ships from hybrid propulsion.
The utility model takes following technical scheme: oil electricity is from hybrid propulsion, it is characterized in that comprising controller, drive platform, power supervisor, power accumulator group, actuator, synchronous dynamo, marine propeller, main diesel engine, gear case, power accumulator group is electrically connected by power supervisor and controller, controller with drive platform and electrically connect; Controller also electrically connects actuator, and actuator electrical connects synchronous dynamo, and the motor shaft of synchronous dynamo installs the first synchronous pulley; Controller also electrically connects diesel engine throttle motor servo driver, and diesel engine throttle motor servo driver electrically connects diesel engine throttle servomotor; Main diesel engine installs the second synchronous pulley by gear case, by synchronous cog belt interlock between the second synchronous pulley and the first synchronous pulley; The motor shaft of synchronous cog belt and synchronous dynamo, by the first synchronous pulley interlock, passes through the second synchronous pulley interlock, the other end of universal coupling and the power intake interlock of marine propeller with one end of universal coupling.
Under normality, electric energy is exported by synchronous dynamo by power accumulator group, to drive marine propeller; When power accumulator group can not meet shipping sail speed, main diesel engine starts grid-connected, jointly drives marine propeller with synchronous dynamo; When power accumulator group electric power is not enough, main diesel engine both provided power to marine propeller after starting, and made again synchronous dynamo convert shaft generator to, to the reverse charging of power accumulator group.
Preferably, actuator, synchronous dynamo, marine propeller, gear case, main diesel engine, main diesel engine throttle motor servo driver and throttle servomotor respectively have two, and controller is connected with actuator by the slow box that powers on, and form two groups of identical structures.
Preferably, controller comprises PLC, and PLC is made up of a PLC, the 2nd PLC, the 3rd PLC, and a PLC connects the 2nd PLC, and the 2nd PLC connects the 3rd PLC.
Preferably, a PLC selects S7-224xp, and the 2nd PLC selects EM253, and the 3rd PLC selects EM231; One PLC meets intermediate relay 1J5, and intermediate relay 1J5 divides two-way to access actuator respectively by intermediate relay 1J4.
Preferably, actuator is electrically connected by AC servo driver QD1-1/QD2-1 and direct current servo driver QD1-2/QD2-2 and forms, AC servo driver QD1-1/QD2-1 selects NAS4E22KX, direct current servo driver QD1-2/QD2-2 selects AB806, and the control voltage of direct current servo driver AB806 and mode meet the status module of described EM253.
Preferably, the 2nd PLC accesses direct current servo driver QD1-2/QD2-2.
Preferably, the 3rd PLC accesses direct current servo driver QD1-2/QD2-2.
Preferably, main diesel engine electrically connects the first coder, the first coder by the speed feedback of main diesel engine to PLC.First coder can select E6C2-CWZ6C
Preferably, marine propeller electrically connects the second coder, the second coder by the speed feedback of main diesel engine to PLC.Second coder can select E6C2-CWZ6C.
The utility model passes through research of technique, research and develop successfully oil electric from hybrid propulsion system, this system is by mechanically-propelled (diesel propulsion) and electric propulsion (electrical generator, battery pack) organically merge, according to different operating mode and the demand of cruiseway actual conditions and boats and ships, automatic switchover main diesel engine drives propelling unit (diesel-engined drive), axle translator drives propelling unit (driven by power) or main diesel engine and axle translator jointly to drive propelling unit (hybrid power driving) three kinds of mode of operations, the demand of and main engine power redundancy changeable due to load condition when effectively can solve ship's navigation, total fuel consumption of boats and ships and exhaust emission can be reduced to greatest extent and reduce noise, save the operation cost of boats and ships, improve the safety and reliability of vessel motion, produce good economic benefit and social benefit.
The object of the utility model research and meaning: the energy-saving and emission-reduction of boats and ships at present mainly reducing ship resistance by optimizing ship type, adopting new and effective propulsion energy-saving device to improve propulsion coefficient, adopt low oil consumption diesel engine with emissions reduction, adopting the technological means such as clean energy resource and environment-friendly type marine equipment to realize.But concerning inland water transport boats and ships, because channel status is complicated, vessel motion operating mode is changeable, main unit load changes the mass energy consumption frequently caused, add cruiseway to have more and pass through city or Scenic Spot Area, discharge and problem of noise pollution seem more outstanding, adopt existing method obviously cannot obtain more satisfied effects of energy saving and emission reduction.
And the utility model oil electricity can stabilize the main unit load fluctuation caused because vessel motion operating mode is changeable effectively from hybrid propulsion system, reduce the power arrangement of diesel engine, thus reduce energy resource consumption and exhaust emission, effectively promote the energy-saving and emission-reduction work of inland water transport boats and ships.
The utility model market demand prospect and apply field:
1. lake, inland river passenger flight
The passenger flight in lake, inland river; based on city or Scenic Spot Area; as the passenger boat etc. in the cruise liner of Jinghang Canal and freighter, course line, Lijiang River; e-mission reduction and noise problem seem particularly outstanding; adopt the utility model oil electric mixed dynamic system; the electric charging unit of bank in night can be utilized to power accumulator full charge on ship; can not open or open less diesel engine or diesel-engine generator charge system in the navigation process of city wawterway; reduce oil consumption; reduce discharge and noise, protect the living environment of littoral resident to greatest extent.
2. navigate by water in the ships that transport of the Changjiang river rapids and shoals
Navigate by water in the boats and ships of the Changjiang river rapids and shoals, the outfit of main frame necessarily requires boats and ships can resist the speed of current, and keep certain route speed, but when following current, main frame only needs less power can reach the requirement speed of a ship or plane, the situation that this load variations is larger, main engine power must be equipped with by maximum load, comparatively waste, according to hybrid power, when adverse current, by automatically detecting the moment of torsion on prop shaft, when main engine power is not enough, automatic hybrid electric propulsion part, common propelling ship navigation.
3. box ship
Box ship normally loaded van goes, empty van returns, certain larger power of speed of a ship or plane needs to be kept in loaded van navigation, so ship power carries out matching according to the speed of a ship or plane required during loaded van, and when empty van backhaul, main frame power often only needs 50% or less, so just cause the waste of main engine power, adopt the outfit that then can reduce main engine power from hybrid power system, cost-saving, reduce oil consumption and discharge.
4. high-mobility, multipurpose, wheeled vehicle auxiliary vessel, towboat
Along with greatly developing of ocean engineering, relevant high-mobility, multipurpose, wheeled vehicle auxiliary vessel, the quantity of towboat constantly increase.This type of boats and ships operating mode is changeable, and the changes in demand scope of power is comparatively large, sometimes needs very large thrust when operation, but only needs less power during navigation at ordinary times, if adopt hybrid power propulsion mode can reach good economic benefit.
The technical merit that the utility model reaches:
1. adopt the design concept of innovation
The utility model system is that master carries out power mixing with electric propulsion, two kinds of different power are combined by deceleration Pulley and synchronous cog belt, realize pure mechanically-propelled, pure electric propulsion and hybrid power and advance three kinds of different mode of operations, according to the change of electrokinetic cell capacity and load torque, Automatic Optimal distribution energy, the mode of operation of certainty annuity.
When electrokinetic cell capacity can propelling ship overcome resistance and keep the required speed of a ship or plane to advance time, provide electric power by electrokinetic cell, drive propelling unit by variable-frequency motor, diesel engine is out of service, is now all electric propulsion.When electric power is not enough or load strengthens, diesel engine starting is grid-connected, combines and provide propelling unit power together with electrical motor, until boats and ships can steady steaming, is now hybrid power propelling.If due to electric power not enough, then not only automatically after diesel engine starting provide power to load, the electrical motor that original power advances simultaneously is also transformed into shaft generator work, to electrokinetic cell energy storage, is now full Diesel propelling.If because the sudden change of load makes diesel engine starting, when the load decreases, diesel engine is automatic logout again, thus realizes oil electricity hybrid technology automatically.
2., in the utility model preferred version, adopt efficient marine propulsion
For the propelling unit of small inland river steamer, mainly there is following problem at present: 1) efficiency of propeller is lower; 2) in narrow fairway, rapids and shoals, the steerage of screw propeller-rudder system is not obvious, and road-holding property is not good enough; 3) layout of screw propeller-rudder propulsion system takes up room comparatively large, and 4) adopt the Ship Hull Lines of propeller complicated, propulsion system installation and maintenance inconvenience.For these reasons, adopt more efficient marine propulsion to the energy-saving and emission-reduction work promoting inland water transport boats and ships, be of great practical significance.
The differential marine cycloidal propelling device that the utility model is selected, it is the marine propulsion of a kind of novel rudder oar unification, and its principle of work drives propelling disk to revolve round the sun as propelling unit by diesel engine or electrical motor by gear case, provides thrust power.Advance under disk and some blades stretched into disk rotational in water are housed, blade autobiography while with propelling disk rotational, controls angle of rake thrust direction.To form the consistent thrust in direction in water.When controlling the anglec of rotation of blade, the thrust direction that blade is formed in water synchronous change thereupon.Differential marine cycloidal propelling device involved by the utility model is patented technology, and its content can see the patent publication us of application number 201010549180.0.Differential marine cycloidal propelling device has shallow draft, propulsion coefficient high, pollution-free (blade bearing adopts grease lubrication), feature that road-holding property is good, has fairly obvious effect in solving the problem.Differential marine cycloidal propelling device is used for the propelling unit that real ship carries out hybrid power system, and it can improve the technical index of hybrid power system energy-saving and emission-reduction greatly, and project achievement level can reach domestically leading level.
The effect of technical solutions of the utility model in the national economic development:
1. economize energy effectively
Adopt the utility model oil electricity from hybrid power system and energy-efficient propelling unit:
1) power configuration of main frame 15-20% can be reduced, reduce fuel oil tank capacity, can effective saving fuel oil more than 15% in operation;
2) the energy mix management system optimized can provide the best energy control strategy required for vessel motion operating mode, can realize energy-saving and emission-reduction more than 15%;
3) propelling unit is flexible for installation, can shorten cabin length, layout is compacter, and can increase cargo space.
2. improve security of shipping
The utility model, owing to adopting two kinds of energy as power, improves the redundancy of propelling unit to a certain extent, makes boats and ships have the ability of taking home.
3. emissions reduction, reduces the pollution to air
Adopt the utility model oil electricity after hybrid power system, because diesel engine can reduce power arrangement and the work-hours of about 15%, therefore, the gas discharging more than 15% of sulfide and NOx and CO2 can be reduced, can available protecting environment.
4. reduce crewman's working environment and two sides environmental noise
Adopt the utility model oil electricity after hybrid power system, can effectively reduce main engine power, reduce aircraft cabin noise, not only crewman's work comfort degree improves greatly, and environmental noise also greatly reduces.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model system.
Fig. 2 is electric propulsion and diesel propulsion mechanical connecting device.
Fig. 3 is the utility model control circuit schematic diagram.
In Fig. 1,2,1-controller, 2-drive platform, 3-power supervisor, 4-power accumulator group, 5-slow power on box, 6-actuator, 7-synchronous dynamo, 8-differential marine cycloidal propelling device, 9-diesel engine throttle servomotor, 10-diesel engine throttle motor servo driver, 11-main frame universal coupling, 12-synchronous pulley, 13-synchronous pulley, 14-main diesel engine speed-change gear box, 15-synchronous cog belt.
In Fig. 3, the element that " 1 " takes the lead is in 1# actuator case, and the element that " 2 " take the lead is in 2# actuator case, and the element that " 3 " take the lead is in PLC.
In Fig. 3:
Terminal number | Node number | Manually | Zero-bit | Automatically |
1-2 | 324-329 | X | ||
3-4 | 324-is empty | X | ||
5-6 | 324-is empty | X |
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is elaborated.
The utility model oil electricity is according to vessel motion operating mode and main unit load change from hybrid propulsion, a kind of novel hybrid Promoting Form that automatic switchover propulsion source drives.This device mainly comprises two major parts, and as shown in Figure 1, 2, a part is diesel propulsion part, is made up of diesel engine (band automatic speed regulation mechanism), reducing gearbox, axle system, differential marine cycloidal propelling device etc.; Another part is electric propulsion part, and be made up of bank electricity charging unit, auxiliary diesel generater set, electrokinetic cell, battery manager, actuator, dynamoelectric machine, frequency-variable controller etc., two parts are linked together by synchronous cog belt.
As shown in Figure 1, 2, power accumulator group 4 is electrically connected by power supervisor 3 and controller 1, controller 1 with drive platform 2 and electrically connect, controller 1 also connects two actuators 6 and a slow box 5 that powers on, the slow box 5 that powers on is serially connected with one end that two actuator 6(and controller 1 are connected) between, two actuators 6 respectively connect a synchronous dynamo 7, the output shaft of synchronous dynamo 7 installs a synchronous pulley 13, controller 1 also connects two diesel engine throttle motor servo drivers, 10, two diesel engine throttle motor servo drivers 10 and respectively connects a diesel engine throttle servomotor 9; Main diesel engine speed-change gear box 14, by installing another synchronous pulley 12, passes through synchronous cog belt 15 interlock between synchronous pulley 12 and synchronous pulley 13.Synchronous cog belt 15 and motor shaft, by synchronous pulley 13 interlock, pass through synchronous pulley 12 interlock with one end of main frame universal coupling 11.Main frame universal coupling 11 realizes synchronous axial system by synchronous cog belt 15 and the main shaft of motor 7.The other end of main frame universal coupling 11 and the power intake interlock of differential marine cycloidal propelling device 8.
Synchronizing jugged belt involved by the utility model and shafting of main engine part adopt prior art to realize, and parts buyable involved by this part, therefore will not describe in detail this part-structure, only introduce the course of action between synchronous cog belt and axle system below.
Divide different operating mode, main frame universal coupling 11 power can export from main diesel engine speed-change gear box 14, also can pass through belt-driving from permagnetic synchronous motor 7.Action relationships is as follows:
(1) gear case does not conform to row, and synchronous magnetoelectric machine is as motor output torque: actuator switches on power and presses enable switch, and motor output torque synchronously drives plunging joint to rotate by synchronous cog belt, and plunging joint rotating speed is consistent with electrical motor output speed.
(2) gear case closes row, and synchronous magnetoelectric machine dallies: actuator switches on power, but enable switch remains open state, and motor, owing to not being connected to actuator, now both not had moment of torsion to input, and do not had load to export yet, and plunging joint idle running now only followed by motor.
(3) gear case closes row, synchronous magnetoelectric machine is as motor output torque: actuator switches on power and presses enable switch, motor output torque synchronously drives plunging joint to rotate by synchronous cog belt, main diesel engine passes through gear case output torque to plunging joint simultaneously, now because electrical motor is in torque mode, rotating speed can follow plunging joint rotating speed automatically, so now plunging joint rotating speed is consistent with main diesel engine output speed, motor speed follows action.
(4) gear case does not conform to row, synchronous magnetoelectric machine uses as electrical generator: actuator switches on power and presses enable switch, at torque setting end input negative voltage, then driver drives motor exports negative torque, but the moment of torsion rotated forward that now main diesel engine provides also is added on motor, and this contrary outer force rate motor output torque is large, and at this moment motor is in generating state, now plunging joint rotating speed is consistent with main diesel engine output speed, and motor speed follows action.
The basic functional principle of the utility model system changes according to vessel motion load behavior, based on electric propulsion, the electric energy originally stored is exported by coaxial motor, when electric power is not enough or load becomes large, when electric propulsion can not meet shipping sail speed, diesel engine starting is grid-connected, combine together with electrical motor and propelling unit power is provided, if because electric power is not enough, then not only automatically after diesel engine starting, provide power to load, the electrical motor that original power advances simultaneously is also transformed into shaft generator work, to electrokinetic cell reverse charging energy storage, if because the sudden change of load makes diesel engine starting, when the load decreases, diesel engine is automatic logout again, when when heavier loads, electric power is not enough, diesel-engine generator can be used to power battery charging, ensure that boats and ships continue to realize hybrid power, to reach the object of economize energy emissions reduction.
Electric propulsion pattern: refer to that electrokinetic cell is through extraordinary variable frequency drives, make permanent magnetic servo synchronous dynamo be operated in electric motor mode, drives propelling unit, now diesel engine stop.Electric propulsion pattern is mainly used in ambient environment has higher requirement to discharge and noise, or boats and ships only need the operating mode compared with low thrust or diesel engine fault.The utility model conceptual design is the hybrid power system based on electric propulsion, first by automatic checkout equipment and control system, switch to motor operation mode, electrokinetic cell for boats and ships provide power (if when electrokinetic cell electric energy is not enough, also can diesel-engine generator auxiliary charging function is provided).Use two-way frequency-variable controller to control the rotating speed of electrical motor, can mate with propelling unit better, improve the handling of boats and ships.In addition, diesel powerplant also can be boats and ships accessory equipment and life load supplying.
Mechanically-propelled pattern: refer to that main diesel engine runs, drives propelling unit by reducing gearbox and axle system; Now main diesel engine provides power for boats and ships, and simultaneously by control system, axle translator is switched to generator operation mode, utilizes the redundant power of diesel engine to power battery charging, this is a kind of common power form.In the utility model system, mechanically-propelled pattern is mainly used in the operating mode of navigation medium power battery deficiency.
Hybrid power advances pattern: electrokinetic cell is by axle band electrical motor, main diesel engine by reducing gearbox, and both are axle drive shaft system and propelling unit simultaneously, for boats and ships provide maximum thrust.Hybrid mode is mainly used in heavy load operating mode, and diesel engine full power and Variable power now can be divided into export operating mode, and when load is enough large, electrokinetic cell and diesel engine all need full power to export; When load is greater than electrokinetic cell, but when exporting without the need to diesel engine full power, control (based on electric propulsion) by the management of the utility model system energy, automatically regulate diesel engine speed, reduce fuel charge, to reduce the power stage of diesel engine.
Inland navigation craft oil electricity is from hybrid propulsion system technical design:
1) two kinds of different dynamic the mechanical drive of car and and car strategy
The switching mechanism of variable-frequency motor generator operation mode and motor operation mode under different load behaviors and system, and for realize that diesel engine and electrical motor two kinds of different dynamic drive steadily and car and technical scheme, mechanical drive and and the car strategy taked.Under normal circumstances, for realizing diesel engine and electrical motor two kinds of different dynamic mixing on axle, it is the extraordinary gear case mechanism adopting double dynamical input single shaft to export.This gear case can realize different speed ratio transmissions, and power output range is comparatively large, but needs special research and development and customize, complex structure, and cost is higher.Then need to seek a kind of structure simply, the transmission device that cost performance is higher for small inland river steamer.
The utility model system adopts on tailing axle, installs deceleration Pulley additional, is connected the method for electrical motor, make the shp of electrical motor be passed to tailing axle by Timing Belt, jointly drive propelling unit with diesel engine by synchronous cog belt.Toothed belt transmission have accurately transmitting ratio, driving efficiency is high, cost is low, maintaining advantage easily.The method simple practical of this transferring power, the shp superposition gearing for small inland river steamer is more cost-saved than dual input list output gear case, reduces cost.
And car strategy is mainly considered diesel engine and will to be started and car, carry out and car in the low-speed range that must allow at it, and electrical motor realizes and car only needs to adjust moment of torsion, therefore steadily and safely can realize bavin electricity also car and electric bavin car.
2) matching of hybrid propulsion system and boats and ships overall performance
Because boats and ships have installed a large amount of electrokinetic cells additional, the change of boats and ships layout and performance will be caused, and the capacity of electrokinetic cell and quantity also depend on the speed of a ship or plane and the propulsion quality requirement of boats and ships, therefore when the utility model system, should under the prerequisite meeting specification, the suitability of abundant both research, ensures applicability and the safety of boats and ships.
3) research of the energy management strategy of oil electric mixed dynamic
Energy management strategy is the utility model hybrid power control system emphasis place, and it directly affects performance and the survivability of hybrid power boats and ships.Energy management strategies must under the prerequisite meeting certain boundary conditions constraint, utilize rational method Sum fanction to distribute the optimization that the different energy sources in hybrid power carries out making time and size, thus obtain the inaccessiable optimal control target of traditional power.This operating strategy is with energy-saving and emission-reduction noise reduction for target, and preferential according to electric propulsion, according to the restriction of the change of electrokinetic cell capacity, loading demand and navigation total time during ship's navigation, the technology path of main diesel engine Automatic Variable Power hybrid propulsion is researched and developed.
The utility model system specifically can be divided into following three kinds of mode of operations five kinds of operating modes to carry out energy management control.
1) electric propulsion pattern: load stabilization and less, electrokinetic cell in night by bank electricity full charge; The speed of a ship or plane that now electrokinetic cell is selected according to boats and ships discharges, and diesel engine does not work.
2) diesel propulsion pattern:
1. electrokinetic cell energy shortage, but load is less, allows diesel engine to be charged to power battery pack by shaft generator while driving propelling unit.Now by measuring battery tension, capacity and tailing axle moment of torsion, diesel engine can be realized and automatically start, and by control system, electrical motor being switched to shaft generator mode of operation, charging to power accumulator.
2. electrokinetic cell energy shortage, load larger diesel engine power during navigation, diesel engine, as promoting mainly work, does not have redundant power to power battery charging.Now according to real ship needs, auxiliary diesel electrical generator can be started and charges to power accumulator.
3) hybrid power advances pattern:
1. load is enough large, and electrokinetic cell and diesel engine all need full power to advance, and two kinds of power superpose on axle;
2. load is greater than power accumulator, and diesel engine need add Variable power superposition.Now controlled by native system energy management, according to load variations automatic constant diesel engine speed, and increase and decrease fuel charge, to change diesel engine horsepower output, make it automatically adapt to the change of load.
4) research of oil electric mixed dynamic monitoring and safety system
Monitoring system is mainly studied between different propelling patterns and is mutually changed, and it is measured and the R & D design of control system, and the technical parameter of this system and the research of performance figure.Monitored control system adopts modular design, is convenient to system configuration and expansion.Need and monitoring point quantity according to monitored control system, I/O module of option and installment right quantity, as analog port, digital port, communication interface, motor feedback interface and master control port etc., reach the function of setting, realize automatically measuring hybrid power all devices and accessory equipment running state, follow the tracks of, feed back and monitoring, alarming and control.
When any one drive pattern et out of order, carry out judging and automatically start corresponding handler according to the grade of fault, ensure the normal operation of propulsion of ship drive system and safety of ship under various conditions to greatest extent and meet the requirement of boats and ships regulation and specification.
When system jam, automatically detect breakdown signal, and look the order of severity of fault, be divided into warning, fall load running, excision equipment, 4 grades such as shutdown.Equipment is in operation and may occurs various abnormal running state and fault, as: main diesel engine hypervelocity, overload, lubricating oil low-voltage, row's temperature are excessively high; Auxiliary power generation unit overload, under-voltage etc.; Power battery voltage is low, residual capacity is low, battery failures etc.; Propulsion electric machine excess current, hypervelocity etc., other faults of system as electric voltage exception, position code is abnormal, IGBT is overheated, moment of torsion is overproof, electric current is overproof, speed is overproof.Particularly at diesel engine or axle translator and car time et out of order, should at once load down, by timely for malfunction equipment detachment system, the safety and stability of guarantee system, judge whether diesel engine or the axle translator of normal operation can independently bear propelling load simultaneously, as power not also should take the measures such as reduction of speed immediately, ensure normal operation and the safety of ship of propulsion of ship drive system to greatest extent.
5) marine propulsion of oil electricity from hybrid power system is adapted to
Because oar footpath is subject to strict restriction when general inland navigation craft adopts screw propeller to advance, its propulsion coefficient is only about 45%-55%, for its propulsion coefficient of ultra-shallow draft boats and ships even below 30%.Due to the rudder area of this kind of boats and ships and too small its road-holding property that causes of aspect ratio also poor.
The utility model preferred embodiment adopts differential marine cycloidal propelling device, and its propulsion coefficient that can significantly improve this kind of boats and ships also improves the maneuvering performance of boats and ships greatly.
Select the marine propulsion from hybrid power system with oil electricity with matched well characteristic, make it can not only play good propulsion coefficient, oil electricity can be made again reasonably to be arranged in limited space from the equipment of hybrid power system.
In order to play oil electricity to greatest extent from the usefulness of hybrid power system, adopt efficient and the marine propulsion with matched well characteristic is very important.In addition, because oil electricity adds additional motor, mechanical drive, stored energy mechanism and control system etc. from hybrid power system than conventional diesel power system, how in the limited cabin space of inland navigation craft, carrying out rational layout is also select the key factor of propelling unit.Therefore, oily electricity is adopted higher, the applicable oil electricity of propulsion coefficient should to be selected from hybrid power system output characteristic, the marine propulsion being convenient to system equipment layout from the boats and ships of hybrid power system.
The utility model, by the electric comprehensive study design from each subsystem of hybrid power of above-mentioned oil, is developed a kind of energy-saving and emission-reduction up-to-date technology of applicable inland navigation craft newly, can significantly be reduced fuel oil consumption and exhaust emission, save operating cost.
The utility model hybrid power shp distributes and equilibrium strategy controls: the utility model support engineering is the passenger flight in Guilin to Yang Shuo, need for reducing discharging, require that inward & outward adopts electric propulsion, the long-term current in navigation channel are more anxious, navigate by water downstream during band visitor, and must arrive in specific time, backhaul is adverse current.Calculate according to z-type propulsion, choose diesel engine 28.2kW, propelling unit 28kW, propulsion electric machine 10kW, when load is less, can adopt electric propulsion, when load is enough large, electrical motor and diesel engine full power export, when load is larger, when being only not enough to keep ship speed by electric propulsion, based on electric propulsion, according to load variations, diesel engine Variable power superposes, this process be one automatically and the process of Based Intelligent Control, come accurately to control by frequency-variable controller internal piloting algorithm.
Elaborate below in conjunction with accompanying drawing 3 pairs of the utility model control principles.
In Fig. 3:
Sequence number | Code name | Title | Model specification |
1 | 1-2PM | Differential marine cycloidal propelling device | FS-ZQT 30C |
2 | 1-2ME | Main diesel engine | KD488M 28.2kW 2600r/min |
3 | 1-2SM | DC servo motor (Throttle Opening Control) | BLM42100W24V-M16384 DC24V 0.1kW |
4 | 1-2M | Permanent magnet synchronous servo motor (propulsion electric machine) | 190B15K4-A1XNG1 10kW |
5 | 1-2PC-1 1-2PC-2 | Coder | E6C2-CWZ6C |
6 | QD1-1/QD2-1 | AC servo driver | NAS4E22KX |
7 | QD1-2/QD2-2 | Direct current servo driver | AB806 |
8 | 1-2RC | Main engine remote control handle | |
9 | 1-2MD | 10V power module | |
10 | HGB | Power accumulator (electrical source of power) | DC12V 150AH |
11 | GB | Low tension battery (control power supply) | DC12V 200AH |
12 | HSD | The slow box that powers on | 100A |
13 | SMC | Storage battery source manager | H3G-380 |
14 | 1PLC | Programmable logic controller (PLC) | S7-224xp |
15 | 2PLC | S7-200 locating module | EM253 |
16 | 3PLC | Analog input expansion module | EM231 |
17 | K1 | The manual/auto select switch of throttle | LA39-B DC24V 3 grades of black |
18 | K2 | Pattern Select Switch | LA39-B DC24V 4 grades of black |
19 | SB1-2 | Button | LA39-F DC24V is green |
20 | 1J2-4 | Intermediate relay | MY2NJ DC24V |
21 | 1J6-7/2J6-7 | Intermediate relay | MY2NJ DC24V |
22 | 1J1/1J5 | Intermediate relay | MY4NJ DC24V |
23 | L1 | Indicator lamp | AD16-12D DC24V white |
24 | L2-4 | Indicator lamp | AD16-12D DC24V is red |
25 | FU1-4 | Fuse | FL98-16 2A |
26 | FM | Buzzer phone | AD16-16SM DC24V |
See Fig. 3, the utility model is applied to the oil electricity of inland navigation craft from hybrid power system control principle:
One, the utility model producing condition classification:
Operating mode one: electrokinetic cell advances, and diesel engine does not work;
Operating mode two: electrokinetic cell+diesel engine Partial Power hybrid propulsion;
Operating mode three: electrokinetic cell+diesel engine full power hybrid propulsion;
Operating mode four: diesel engine Partial Power propelling+shaft generator is to power battery charging;
Operating mode five: diesel engine full power advances.
Two, state of a control:
Manual: electric propulsion and diesel propulsion all adopt the same handle to carry out speed governing.
Automatic: when hybrid power advances, electrical motor adopts full power to export, and diesel engine exports according to load Variable power.
Three, master mode selection principle:
Inward & outward state road conditions are comparatively complicated, and when electrokinetic cell has an electricity, optional electric propulsion is manual; Do not have electricity at electrokinetic cell, it is special that navigation channel situation occurs, or consider Emergency avoidance etc., selects diesel engine manual.Not by PLC program during Non-follow control, no matter electric propulsion or diesel propulsion control speed governing by the same handle operation.
After leaving the port, normal/cruise situation can select automatic mode, and now the mode of operation of motor and diesel engine is controlled according to condition of loading by PLC, and comprise motor full load and advance, diesel engine Variable power hybrid propulsion, diesel engine is to operating modes such as motor chargings.
After leaving the port in normal/cruise process, when occurring extraordinary circumstances or need test macro, can select the manual mode in hybrid propulsion, now the mode of operation of motor is controlled by PLC, and the throttle size of diesel engine is by handle Non-follow control.
Four, system symbol definition
1, rotating speed symbol definition:
N1: angle of rake setting speed in operating mode one;
N2: the idling speed of diesel engine during the row of conjunction;
N3: angle of rake setting speed in operating mode two;
N4: angle of rake lower bound speed in operating mode three;
N5: angle of rake setting speed in operating mode four;
N6: angle of rake lower bound speed in operating mode four.
N1-n6 setting speed is on the basis of theory calculate, with reference to the experience of navigation throughout the year, and according to ensureing that the speed of a ship or plane of whole voyage duration of voyage is determined.This numerical value scene is adjustable.
Note: adjustment n1-n6 can be passed through, to meet the different needs according to actual conditions in different course lines.
2, time symbol definition:
T1: under operating mode two situation, diesel engine is from the time being opened to stabilization of speed needs;
T2: under operating mode two situation, for avoiding causing the frequent redirect of program due to extraordinary circumstances and the delay time set;
T3: under operating mode three situation, for determining propelling unit actual speed to be less than alarm velocity and the delay time set;
T4: under operating mode four situation, for determining propelling unit actual speed to be less than lower limit speed n6 and the delay time set;
T5: under operating mode five situation, for determining propelling unit rotating speed to be greater than setting speed n5 and the delay time set.
3, storage battery symbol definition:
Q1: the actual capacity value of power accumulator;
U1: power accumulator low voltage alarming value.
Five, system illustrates:
1, system initialization state:
System is connected DC24V and is controlled power supply, and handle is placed in zero-bit, and PLC receives alerting signal, capacity of cell signal, tach signal, and it is 0 that the analog output of initialization simultaneously mouth is respectively worth, and when not reporting to the police, whole system can normally work.
2, system parameter definition:
PLC inputs | Function | Signal form | PLC exports | Function | Signal form |
I0.0 | Left propelling unit rotating speed | Pulse | Q0.0 | Throttle hand automatically switches | 24V |
I0.1 | Left diesel engine speed | Pulse | Q0.1 | Motor is enable | 24V |
I0.2 | Motor switch | 24V | Q0.2 | Gear case closes row | 24V |
I0.3 | Right propelling unit rotating speed | Pulse | Q0.3 | Motor discharge and recharge switches | 24V |
I0.4 | Right diesel engine speed | Pulse | Q0.4 | Motor hand automatically switches | 24V |
I0.5 | Model selection (electric power) | 24V | Q0.5 | Run indicator | 24V |
I0.6 | Model selection (diesel oil) | 24V | Q0.6 | Hypervelocity indicator lamp | 24V |
I1.7 | Model selection (mixing) | 24V | Q0.7 | Electric leakage indicator lamp | 24V |
I1.0 | Mixed mode throttle hand is selected automatically | 24V | Q1.0 | The low indicator lamp of voltage | 24V |
I1.1 | Noise reduction | 24V | Q1.1 | Buzzer phone | 24V |
I1.2 | Right Motor Over Speed is reported to the police | 24V | V | Motor torque | 0—10V |
I1.3 | Left Motor Over Speed is reported to the police | 24V | P0 | Diesel engine throttle aperture | Pulse (5V) |
I1.4 | Right leakage-current alarm | 24V | P1 | Diesel engine throttle aperture direction | 5V |
I1.5 | Left leakage-current alarm | 24V | DIS | Throttle servomotor is enable | 5V |
A+ | Right motor rotate speed feedback | 0—10V | |||
B+ | Left motor rotate speed feedback | 0—10V | |||
A1+ | Capacity of cell | 0—10V |
3, different mode of operations
(1) electric propulsion (manually):
The control of this pattern motor is manually, does not enter PLC operating mode automatic decision handler.
Concrete operation step: mode conversion switch K2 is switched to pure electric power shelves, simultaneously closed motor switch S B1, relay 1J2 obtains electric, connects left/right motor Enable Pin.I0.5 mouth receives 24V voltage signal, after PLC process, Q0.2 no-voltage signal exports, relay 1J3 dead electricity, and diesel engine closes row's device and disconnects, Q0.4 exports 24V voltage, relay 1J5 obtains electric, corresponding contacts switch motion, is disconnected by PLC control signal, access handle control signal simultaneously, ensure that complete manual power advances.
(2) full diesel advances (manually):
This pattern is completely by diesel propulsion pattern, and the control of diesel engine is manually, and does not enter the operating mode automatic decision handler of PLC.
Concrete operation step: change-over swith K2 is switched to full diesel shelves, motor enable port Q0.1 no-voltage signal exports, and relay 1J2 is failure to actuate, and 1J2 is failure to actuate contact and motor Enable Pin is disconnected.I0.6 mouth receives 24V voltage signal, and after PLC process, Q0.2 exports 24V voltage, and relay 1J3 obtains electric, and gear case closes row.Q0.0, Q0.4 no-voltage signal exports simultaneously, and relay 1J1,1J5 are failure to actuate, and are failure to actuate in contact, is disconnected by PLC control signal, accesses handle control signal simultaneously, ensures complete manual diesel propulsion.
(3) hybrid mode:
A: mixing-automatically
This pattern is PLC automatic control mode, and the signal of diesel engine and motor is given by PLC, starts the operating mode automatic decision handler entering PLC.
1) if when mode switch is just got to hybrid mode by start, hybrid power hand/automatic switch is switched to automatic transmission, then directly enter operating mode one, the automatic cycle of operating mode automatic decision handler, judgement is started;
2) if be switched to hybrid mode by pure power mode, then enter operating mode one, start the automatic cycle of operating mode automatic decision handler, judgement;
3) if be switched to hybrid mode by Diesel modes, then enter operating mode five, start the automatic cycle of operating mode automatic decision handler, judgement.
Concrete operations: by K switch 2 dozens at hybrid power shelves, I0.7 mouth receives 24V voltage signal, Simultaneous Switching K1 selects automatic transmission, PLC reads signal, Q0.4 exports no-voltage signal and exports, relay 1J5 must not be electric, and corresponding contacts 1J5 action makes handle signal disconnect, and motor driver connects PLC analog output mouth V signal; Q0.0 exports 24V voltage simultaneously, and relay 1J1 obtains electric, corresponding contacts 1J1 action, handle signal is disconnected and diesel engine connection PLC signal.Now diesel engine and motor are all in auto state.
B: mixing-manually
This pattern is that motor is controlled automatically by PLC, and enters the operating mode automatic decision handler of PLC, and the throttle size of diesel engine is by handle Non-follow control, and this pattern is mainly used in debugging or abnormal condition.Concrete operations: by K switch 2 dozens at hybrid power shelves, simultaneously by K switch 1 dozen at manual gear, I0.7, I1.0 mouth receives 24V voltage signal respectively, read after signal through PLC, Q0.0 no-voltage signal exports, relay 1J1 dead electricity, and corresponding contacts 1J1 is failure to actuate, diesel engine connects handle control signal, and throttle is controlled by handle; Q0.4 no-voltage signal exports, and relay 1J5 must not be electric, and corresponding contacts 1J5 is failure to actuate, and handle signal is disconnected, and PLC analog output mouth V signal connected by motor, and motor is in auto state.Remaining operation is performed by PLC operating mode automatic decision handler.
4, two angle of rake stationary problems:
1) native system left and right propelling unit is controlled by two handles respectively, when two propelling units need synchronous, is mechanically connected by two handles.When two propelling units do not need synchronous, as special action such as needs translation, casts, then cancel the mechanical connection of two handles, left and right handle can be operated separately.
2) under hybrid mode, after entering operating mode automatic decision handler, the moment compares left and right propelling unit rotating speed, if both speeds discrepancy exceed certain numerical value, then and the angle of rake throttle that self-regulating rotary speed is larger, synchronous to ensure.
5, system alarm and protection:
1) low voltage is reported to the police: when battery tension is lower than low alarm limit u1, and Q1.1 exports 24V voltage, connects indicator lamp L4 and buzzer phone FM simultaneously, sends sound and light alarm, manual intervention process.
2) left/right Motor Over Speed is reported to the police: when left and right motor speed exceedes upper limit rotating speed, and overspeed alarming input port I1.2, I1.3 report to the police and input 24V voltage, PLC Received signal strength, connect indicator lamp L2 and buzzer phone FM, send sound and light alarm.PLC sends the enable cut-off signal of motor simultaneously, and disconnect motor enable, motor quits work, and actuator sends motor fault warning signal.
3) left and right motor electric leakage is reported to the police: when left and right motor driver exports leakage-current alarm, and leakage-current alarm input port I1.4, I1.5 report to the police and input 24V voltage, PLC Received signal strength, connect indicator lamp L3 and buzzer phone FM, send sound and light alarm.PLC sends the enable cut-off signal of motor simultaneously, and disconnect motor enable, motor quits work, and actuator sends motor fault warning signal.
Six, automated system operation situation
Operating mode one:
This work condition state: accumulator capacity is sufficient, complete electric propulsion.
Only under hybrid mode, just can carry out switching between operating mode, switch between operating mode and automatically carried out by PLC.After ship leaves the port, motor is adjusted to automatically, and diesel engine is also automatic.Motor is 100% moment of torsion work now.Under the prerequisite of capacity of cell Q1>55%C, left/right propelling unit actual speed V is compared with the rotating speed n1 of setting, as propelling unit rotating speed is more than or equal to the rotating speed n1 of setting, then at operating mode one periodical duty.
Jump out the situation of operating mode one:
1) capacity of cell Q1 < 55%C, enters operating mode four;
2) propelling unit rotating speed is less than the rotating speed n1 of setting, enters operating mode two.
Operating mode two:
At capacity of cell Q1>55%C, condition under, PLC enters operating mode two after detecting that propelling unit rotating speed is less than the rotating speed n1 of setting.First send diesel engine starting signal: send out throttle commands by P0 mouth, after certain time-delay T1, wait for that diesel engine is stablized.Prepare for gear case closes row, left/right propelling unit actual speed compared with diesel engine rotating speed n2 now:
1) if propelling unit rotating speed is greater than diesel engine speed n2, then Motor torque output valve (from analog output V mouth) is reduced, propelling unit rotating speed is reduced by ship resistance, circulate this operation until left/right diesel engine speed all with propelling unit rotational speed matches, now by PLC, Q0.2 mouth is exported 24V, relay 1J3 obtains electric, the 1J3 closing of contact, and gear case closes row.
2) if propelling unit rotating speed is less than diesel engine speed n2, then allowing Q0.1 export by PLC is 0, and relay 1J2 must not be electric, and 1J2 is failure to actuate contact, and motor Enable Pin disconnects, and motor dallies.Moment after motor idle running, PLC sends conjunction row signal, and Q0.2 mouth is exported 24V, and relay 1J3 obtains electric, the action of 1J2 contact, and gear case closes row.After this operation, allow Q0.1 export by PLC and obtain electric 1J2 contact action for 24V, relay 1J2, motor Enable Pin closes, and PLC controls motor and works under nominal torque.
After conjunction row terminates, propelling unit works under motor and diesel engine drive jointly, and the rotating speed now set becomes n3, now angle of rake actual speed is compared with rotating speed n3, ensures that propelling unit rotating speed maintains n3 by regulating throttle size.Wherein being embodied as of throttle size adjustment: by PLC position control module to control the motion of throttle motor, controls to realize motor position, thus realizes throttle size adjustment.Wherein the size of throttle is drawn by pid algorithm.
Jump out the situation of operating mode two:
1), after pid algorithm calculates, the accelerator open degree that P0 mouth exports is 0, and continues for some time T2, then illustrate and now do not need diesel engine additional thrust.Allowing Q0.2 export by PLC is 0, relay 1J3 dead electricity, and switch 1J3 opens, and diesel engine departs from, and then programming jump returns operating mode one, and the comparison tachometer value of setting gets back to n1.
2) capacity of cell Q1<55%C
3) when propelling unit rotating speed drops to lower bound speed n4.
Operating mode three:
Namely the accelerator open degree that in operating mode two, PID exports is 100%, and throttle reaches maximum situation.
Jump out the situation of operating mode three:
1) accelerator open degree that PID also exports is 100%, and after continuing for some time T3, the impeller speed measured is lower than alarm velocity, illustrate that propelling unit may be wound and run into exception, now system alarm, stops diesel engine work, allows accelerator open degree equal 0, namely throttle is closed, simultaneously disable motor Enable Pin.
2) capacity of cell Q1<55%C
Operating mode four:
This work condition state: capacity of cell Q1<55%C, under the prerequisite ensureing charging current, diesel engine can export different power according to load variations and keep ship's navigation.
After capacity of cell Q1<55%C, enter operating mode four program part.Now export 24V by PLC control Q0.3 mouth, relay 1J4 obtains electric, 1J4 open contact closes, connect actuator negative torque signal port, and given torque, control motor and be in charge condition, now diesel engine power is divided into charging and advances two parts, so the rotating speed of setting becomes n5, now angle of rake actual speed is compared with the rotating speed n5 of setting, by regulating throttle size (control method as above), to ensure that propelling unit rotating speed maintains n5, wherein the size of throttle is drawn by pid algorithm.
Jump out the situation of operating mode four:
1) accelerator open degree that PID exports is 100%, and after continuing for some time T4, the impeller speed measured is less than lower limit speed n6, illustrate that load is larger, propelling unit needs to stop charging, now disconnect motor Enable Pin (operation as above), allowing diesel engine power completely for advancing, namely entering operating mode five.
2) capacity of cell Q1 > 90%C
Operating mode five:
Under the condition of situation (1), jump out operating mode four and enter operating mode five, now diesel engine horsepower output 100% is for advancing, and accelerator open degree value is set to 100%.
Jump out the situation of operating mode five:
Record propelling unit rotating speed and be greater than n5, and maintain a period of time T5, illustrate that diesel engine has power more than needed to charge, now motor Enable Pin connected, system gets back to operating mode four.
Seven, system zero explanation
After completing whole voyage, first disconnection active force power supply, DC24V control power supply.Then select switch K1, K2 and main engine remote control handle 1RC/2RC are all made zero.And connect bank electricity, charge to power accumulator group.
Eight, hardware description
Above-described embodiment adopts S7-200PLC, and Siemens's programmable logic controller (PLC), CPU selects S7224XP, and functional module selects S7200, locating module EM253, and expansion module is analog input module EM231.
S7224XP DC/DC/DC is the novel C PU with analog quantity I/O mouth and powerful control ability.Native system utilizes 4 road high counters to calculate left and right diesel engine and propelling unit rotating speed, 10 railway digital port input alerting signal and mode select signals, 2 tunnels carry analog port input left and right propulsion electric machine rotating speed, 2 RS485 feed back throttle motor movement information, and 10 railway digitals export and are used for Control, indicator lamp and buzzer phone.One road analog output is used for the control of propulsion electric machine.
S7200 locating module EM253, EM253 are position open loop control mode, then after adding motor movement feedback by communication terminal RS485, native system realizes the closed loop control of throttle motor position.
EM231 analog input expansion module is that native system uses in order to capacity of cell signal feedback is carried analog input port to PLC, CPU, by EM231 module expanded mode analog quantity input port, to access capacity of cell signal.
Diesel engine throttle motor servo driver AB806, its control voltage and mode meet EM253 status module, and native system adopts pulse to add the position control mode in direction, and by RS485 feed back motion information.
Native system by coder E6C2-CWZ6C, by left and right diesel engine and angle of rake speed feedback to PLC.
For those of ordinary skill in the art, the thought provided according to the utility model, detailed description of the invention will change, and these changes also should be considered as protection domain of the present utility model.
Claims (9)
1. oil electricity is from hybrid propulsion, it is characterized in that comprising controller, drive platform, power supervisor, power accumulator group, actuator, synchronous dynamo, marine propeller, main diesel engine, gear case, power accumulator group is electrically connected by power supervisor and controller, controller with drive platform and electrically connect; Controller also electrically connects actuator, and actuator electrical connects synchronous dynamo, and the motor shaft of synchronous dynamo installs the first synchronous pulley; Controller also electrically connects diesel engine throttle motor servo driver, and diesel engine throttle motor servo driver electrically connects diesel engine throttle servomotor; Main diesel engine installs the second synchronous pulley by gear case, by synchronous cog belt interlock between the second synchronous pulley and the first synchronous pulley; The motor shaft of synchronous cog belt and synchronous dynamo, by the first synchronous pulley interlock, passes through the second synchronous pulley interlock, the other end of universal coupling and the power intake interlock of marine propeller with one end of universal coupling.
2. oil electricity as claimed in claim 1 is from hybrid propulsion, it is characterized in that: actuator, synchronous dynamo, marine propeller, gear case, main diesel engine, main diesel engine throttle motor servo driver and throttle servomotor respectively have two, controller is connected with actuator by the slow box that powers on, and forms two groups of identical structures.
3. oil electricity as claimed in claim 1 or 2 is from hybrid propulsion, and it is characterized in that: described controller comprises PLC, PLC is made up of a PLC, the 2nd PLC, the 3rd PLC, and a PLC connects the 2nd PLC, and the 2nd PLC connects the 3rd PLC.
4. oil electricity as claimed in claim 3 is from hybrid propulsion, and it is characterized in that: a PLC selects S7-224xp, the 2nd PLC selects EM253, and the 3rd PLC selects EM231; One PLC meets intermediate relay 1J5, and intermediate relay 1J5 divides two-way to access actuator respectively by intermediate relay 1J4.
5. oil electricity as claimed in claim 4 is from hybrid propulsion, it is characterized in that: actuator is electrically connected by AC servo driver QD1-1/QD2-1 and direct current servo driver QD1-2/QD2-2 and forms, AC servo driver QD1-1/QD2-1 selects NAS4E22KX, direct current servo driver QD1-2/QD2-2 selects AB806, and the control voltage of direct current servo driver AB806 and mode meet the status module of described EM253.
6. oil electricity as claimed in claim 5 is from hybrid propulsion, it is characterized in that: the 2nd PLC accesses direct current servo driver QD1-2/QD2-2.
7. oil electricity as claimed in claim 5 is from hybrid propulsion, it is characterized in that: the 3rd PLC accesses direct current servo driver QD1-2/QD2-2.
8. oil electricity as claimed in claim 3 is from hybrid propulsion, it is characterized in that: described main diesel engine electrically connects the first coder, the first coder by the speed feedback of main diesel engine to PLC; And/or described marine propeller electrically connects the second coder, the second coder by the speed feedback of main diesel engine to PLC.
9. oil electricity as claimed in claim 8 is from hybrid propulsion, it is characterized in that: E6C2-CWZ6C selected by the first described coder or the second coder.
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CN104149960A (en) * | 2014-07-04 | 2014-11-19 | 杭州现代船舶设计研究有限公司 | Petrol-electric self-hybrid power propelling system applied to inland water transport ships |
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CN104149960A (en) * | 2014-07-04 | 2014-11-19 | 杭州现代船舶设计研究有限公司 | Petrol-electric self-hybrid power propelling system applied to inland water transport ships |
CN104149960B (en) * | 2014-07-04 | 2017-01-25 | 杭州现代船舶设计研究有限公司 | Petrol-electric self-hybrid power propelling system applied to inland water transport ships |
CN106741794A (en) * | 2016-12-18 | 2017-05-31 | 湖州港口船业有限公司 | Ship hybrid power system |
CN107368028A (en) * | 2017-08-22 | 2017-11-21 | 姚静洁 | A kind of electric propulsion control system |
CN108313251A (en) * | 2018-01-22 | 2018-07-24 | 哈尔滨工程大学 | Bavin electricity based on PID-combustion combined power plant double-closed-loop control method |
CN108313251B (en) * | 2018-01-22 | 2019-11-01 | 哈尔滨工程大学 | Bavin electricity based on PID-combustion combined power plant double-closed-loop control method |
CN112533823A (en) * | 2018-07-31 | 2021-03-19 | 施奥泰尔有限公司 | Method for evaluating influence of shallow water |
CN112533823B (en) * | 2018-07-31 | 2022-11-15 | 施奥泰尔有限公司 | Method for evaluating influence of shallow water |
CN109606601A (en) * | 2018-12-12 | 2019-04-12 | 谢业海 | A kind of ship dynamoelectric accelerograph and gear design method |
CN109606603A (en) * | 2018-12-12 | 2019-04-12 | 谢业海 | A kind of ship electric steering wheel design method |
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