CN109911161A - A kind of double paddle pneumoelectric mixing ship power systems of single machine - Google Patents
A kind of double paddle pneumoelectric mixing ship power systems of single machine Download PDFInfo
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- CN109911161A CN109911161A CN201910149861.9A CN201910149861A CN109911161A CN 109911161 A CN109911161 A CN 109911161A CN 201910149861 A CN201910149861 A CN 201910149861A CN 109911161 A CN109911161 A CN 109911161A
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Abstract
The purpose of the present invention is to provide a kind of double paddle pneumoelectric mixing ship power systems of single machine, including the load of gas machine, generator, motor, battery, clutch, gear-box, propeller, natural gas storage feedway, transformation device, bank electricity device, network of ship, ship.Gas machine is connected by clutch with gear-box, and motor and generator pass through clutch respectively and be connected with gear-box, and propeller is directly connected with motor output end, and electric power source is battery and generator.The present invention uses diversified energy arrangement form, with multiple-working mode, it can satisfy demand of the ship under various environment and operating condition, gas machine, motor can be made to maintain high efficient area always, reduce the fuel consumption and discharge of gas machine, the dynamic response of ship is improved simultaneously, and expands the navigable area of ship.
Description
Technical field
The present invention relates to a kind of ship power systems, specifically ship hybrid power system.
Background technique
As international oil price quickly goes up, and the implementation of emission regulation being increasingly stringenter, this is just to the economy of ship
More stringent requirements are proposed for property and emission performance, and energy-saving and emission-reduction have become the vital task in the national economic development.Ship is high
The means of transport of energy consumption, energy-conserving and emission-cutting technology become everybody and pay close attention to and one of the hot spot of research.
As following environment strategy, we are to reduce energy consumption and reduce CO2, SOx, NOx and PM discharge as target.
There are many pollutions and discharge that method can reduce ship, and wherein the best way is to utilize alternative energy source.Natural gas is as hair
The fuel of motivation is the inexorable trend of the following engine of boat and ship development, and natural gas has environmentally protective, economical and practical, safe and reliable
The advantages of.But it is limited by natural gas engine technical level at this stage is not high, that there are dynamic responses is poor for natural gas engine,
The disadvantages of underpower.
Pure electric vehicle watercraft electric propulsion system is the forward position of the following marine technology research, has good economy, manipulation
The advantages that property, safety, low noise and low pollution.However, influenced by generation mode, power density and energy storage technology,
Pure electric vehicle ship at this stage can not reach high performance speed, acceleration and automatic control, and cruising ability is also by its battery
Capacity restricts.
Hybrid power ship has the advantages of internal combustion engine propelling ship and pure Electrical Propulsion Ship concurrently: promoting compared to internal combustion engine
Ship can select operating mode according to payload, guarantee the fuel economy under all operating conditions, redundancy is good；Compared to pure
Electrical Propulsion Ship, initial stage input cost is low, and cruising ability is strong.The Technology of Hybrid Electric Vehicle of ship solves energy problem and skill
Contradiction between art is immature realizes the efficient utilization of fuel, is transitioned into pure electric power from traditional mechanical propulsion for ship and pushes away
Into feasible scheme is provided, therefore, developing hybrid power ship has very great meaning.
Summary of the invention
The purpose of the present invention is to provide improve the dynamic property of ship, the double paddle gas of a kind of single machine of economy and emission performance
Electricity mixing ship power system.
The object of the present invention is achieved like this:
A kind of double paddle pneumoelectric mixing ship power systems of single machine of the present invention, it is characterized in that: including gas machine, gear-box,
First motor, the second motor, generator, LNG fluid reservoir, the gear-box include the first-the five gear, first gear with
Second gear engagement, the 4th gear engage with third gear and the 5th gear respectively, and gas machine connects the by first clutch
One gear, generator connect second gear by second clutch, and first gear is connected with the 4th gear by third clutch,
First motor connects third gear by the 4th clutch, and the second motor connects the 5th gear by the 5th clutch, the
One propeller connects the first motor, and the second propeller connects the second motor, and LNG fluid reservoir connects gas by gasification heat exchanger
Body machine, battery and generator pass through respective transformation device respectively and connect network of ship, bank electricity device, ship load, first
Motor and the second motor connect network of ship.
The present invention may also include:
1, using mechanically-propelled mode, the mechanically-propelled mode includes that gas machine promotes mode, gas machine+generator to push away
Progressive die formula；
Gas machine promote mode: first clutch, third clutch, the 4th clutch, the 5th clutch closure, second from
Clutch disconnects, and the power supply disconnection of the first motor, the second motor, the first propeller, the second propeller are driven by gas machine.
Gas machine+generator promotes mode: all clutch closures, the first motor, the second motor power disconnect, gas
Power a part that body machine is issued drives the first propeller, the second propeller, and another part drives electrical power generators, generated electricity
Network of ship can be imported.
2, using electric propulsion mode, the electric propulsion mode includes that battery promotes mode, gas machine power generation to promote
Mode, bank electricity charge mode；
Battery promotes mode: clutch is all off, and the first propeller, the second propeller are by the first motor, second
Motor drive, required electric energy are provided by network of ship；Alternatively, third clutch, the 4th clutch, the 5th clutch are closed,
Other clutches disconnect, and the first propeller, the second propeller is operated alone in the first motor or the second motor；
Gas machine power generation propulsion mode: first clutch, second clutch closure, other clutches disconnect, gas machine band
Dynamic electrical power generators, network of ship can be imported by generating electricity, and the first propeller, the second propeller are by the first motor, second electronic
Machine drives, and electric energy needed for the first motor, the second motor is provided by network of ship；Alternatively, first clutch, the second clutch
Device, the 4th clutch, the 5th clutch closure, third clutch disconnect, and gas machine drives electrical power generators, and generating electricity can import
Network of ship, by the first motor drive, electric energy needed for the first motor is mentioned by network of ship for the first propeller, the second propeller
For or, the first propeller, the second propeller, by the second motor drive, electric energy needed for the second motor is provided by network of ship；
Bank electricity charge mode: ship is battery by bank electricity charging unit external power supply when harbour and bank are stopped
Charging.
3, using hybrid propulsion mode, the hybrid propulsion mode include gas machine+motor promote mode, gas machine+
Motor auxiliary power generation promotes mode；
Gas machine+motor promotes mode: first clutch, third clutch, the 4th clutch, the 5th clutch close
It closes, second clutch disconnects, and propeller is by gas machine, the first motor and the second motor drive, the first motor, the second electricity
Electric energy needed for motivation is provided by network of ship；Alternatively, first clutch, third clutch, the 4th clutch, the 5th clutch close
It closes, second clutch disconnects, and propeller is by gas machine and the first motor drive, and electric energy needed for the first motor is by network of ship
It provides, or, propeller, by gas machine and the second motor drive, electric energy needed for the second motor is provided by network of ship；
Gas machine+motor auxiliary power generation promotes mode: all clutch closures, a part of power that gas machine is issued
The first propeller, the second propeller, the first motor, the second motor institute are driven jointly with the first motor, the second motor
Electric energy is needed to be provided by network of ship, another part power of gas machine drives electrical power generators, and electricity can import ship electricity
Net；Or all clutches closure, a part of power and the first motor that gas machine is issued drive jointly the first propeller,
Second propeller, electric energy needed for the first motor are provided by ship power grid, or, a part of power and the second electricity that gas machine is issued
Motivation drives the first propeller, the second propeller jointly, and electric energy needed for the second motor is provided by ship power grid, gas machine it is another
Partial Power drives electrical power generators, and electricity can import network of ship.
Present invention has an advantage that
1. a kind of double paddle pneumoelectric mixing ship power systems of single machine are provided with gas machine, motor,
Power coverage range is wide, can satisfy power demand of the ship under more multi-state, and gas machine and motor can be made better
Work, to reduce the fuel consumption of gas machine, improves the economy and emission performance of ship in high efficient area.
2. the arrangement of more than kinds of power source improves the reliability and applicability of ship, by the closure of clutch and disconnected
It opens, multiple-working mode may be implemented in hybrid power system provided by the present invention, improves ship hybrid power to the maximum extent
The efficiency of system can select suitable operating mode according to practical power demand and ship's navigation environment.The program can not only
Meet the discharge standard in different harbours and sea area, moreover it is possible to it is immature between further stringent discharge standard that technology be effectively relieved
Contradiction improves the economy and emission performance of ship.
3. motor has outstanding dynamic response, can closing and unlatching at any time, can be fast in ship variable working condition
The motivation of adjustment output of speed, improves the dynamic response of ship, reduces system maintenance.
4. significantly noise reduction may be implemented in electric propulsion, the navigable area of ship is increased, improves crewman's
Life comfort.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
It illustrates with reference to the accompanying drawing and the present invention is described in more detail:
In conjunction with Fig. 1, a kind of double paddle pneumoelectric mixing ship power systems of single machine of the present invention, including network of ship 1, battery
Transformation device 2, battery 3, ship load 4, bank electricity device 5, generator transformation device 6, generator 7, clutch 8a, 8b, 8c,
8d, 8e, propeller 9a, 9b, motor 10a, 10b, gear-box 11, LNG tank 12, gasification heat exchanger 13, gas machine 14.It is connected
Relationship are as follows: 14 output end of gas machine is connected by clutch 8a with the input terminal of gear-box 11, generator 7, motor 10a, 10b
It is connected respectively by clutch 8b, 8d, 8e with clutch output, the output end phase of propeller 9a, 9b and motor 10a, 10b
Even.LNG tank 12 is connected by the heat exchanger 13 that gasifies with gas machine 14.Battery 3 and generator pass through respectively transformation device 2,6 with
Network of ship is connected, and bank electricity device 5, ship load 4 and motor 10a, 10b are connected with network of ship.
In the present embodiment, the preferred net gas engine of gas machine 14 or dual fuel engine, generator 7, motor
10a, 10b preferably have many advantages, such as high efficiency, high power density, service life long magneto, the preferred power density of battery 8 is high,
The small lithium ion battery of volume weight.The heat exchanger 13 that gasifies preferably has the resistance to ultralow temperature heat exchanger of multistage cold energy heat exchange.
Operating mode of the invention mainly includes mechanically-propelled mode, electric propulsion mode, hybrid propulsion mode.
1. mechanically-propelled mode
Mechanically-propelled mode can be divided into: gas machine promotes mode, gas machine+generator to promote mode.
1) gas machine promotes mode: under this kind of operating mode, clutch 8a, 8c, 8d, 8e closure, other clutches break
It opens, the power supply of motor 10a, 10b disconnect, and propeller 9a, 9b are driven by gas machine 14.
2) gas machine+generator promotes mode: under this kind of operating mode, all clutch closures, and motor 10a, 10b
Power supply disconnects, and power a part driving propeller 9a, 9b another part that gas machine 14 is issued drives generator 7 to generate electricity, institute
Power generation can import network of ship 1.
2. electric propulsion mode
Electric propulsion mode can be divided into: battery promotes mode, gas machine power generation propulsion mode, bank electricity charge mode.
1) battery promotes mode: under this kind of operating mode, clutch is all off, and propeller 9a, 9b are by motor
10a, 10b driving, required electric energy are provided by network of ship 1；Alternatively, clutch 8c, 8d, 8e are closed, other clutches are disconnected, electricity
Propeller 9a, 9b is operated alone in motivation 10a or 10b.
2) gas machine power generation propulsion mode: under this kind of propulsion mode, clutch 8a, 8b closure, other clutches are disconnected,
Gas machine 14 drives generator 7 to generate electricity, and network of ship 1 can be imported by generating electricity, and propeller 9a, 9b are driven by motor 10a, 10b,
Electric energy needed for motor 10a, 10b is provided by network of ship 1；Alternatively, clutch 8a, 8b, 8d, 8e are closed, other clutches are disconnected
Open, gas machine 14 drive generator 7 generate electricity, network of ship 1 can be imported by generating electricity, propeller 9a, 9b by motor 10a (or
It 10b) drives, electric energy needed for motor 10a (or 10b) is provided by network of ship 1
3) bank electricity charge mode: when ship is when harbour and bank are stopped, can be by 5 external power supply of bank electricity charging unit
Battery 3 charges.
3. hybrid propulsion mode
Hybrid propulsion mode can be divided into: gas machine+motor promotes mode, gas machine+motor auxiliary power generation propulsion module
Formula.
1) gas machine+motor promotes mode: under this kind of operating mode, clutch 8a, 8c, 8d, 8e closure, other from
Clutch disconnects, and propeller is driven by gas machine 14 and motor 10a, 10b, and electric energy needed for motor 10a, 10b is by network of ship 1
It provides；Alternatively, clutch 8a, 8c, 8d, 8e are closed, other clutches are disconnected, propeller by gas machine 14 and motor 10a (or
Person 10b) it drives, electric energy needed for motor 10a (or 10b) is provided by network of ship 1.
2) gas machine+motor auxiliary power generation promotes mode: under this kind of operating mode, all clutch closures, and gas
A part of power and motor 10a, 10b that machine 14 is issued drive propeller 9a, 9b, electricity needed for motor 10a, 10b jointly
It can be provided by network of ship 1, another part power of gas machine 13 drives generator 7 to generate electricity, and electricity can import ship electricity
Net 1；Perhaps a part of power and motor 10a (or 10b) that all clutch closure gas machines 14 are issued drive jointly
Propeller 9a, 9b, electric energy needed for motor 10a, 10b are provided by ship power grid 1, and another part power of gas machine 13 drives power generation
Machine 7 generates electricity, and electricity can import network of ship 1.
In above-mentioned mode: the long-time that mechanically-propelled mode is suitable for vessel motion stable conditions is cruised, or to ship
Discharge and the not high region of noise requirements；Electric propulsion mode is suitable for the feelings of low-power requirements when ship pulls in shore or departs from port
Condition, or navigation is in the region having higher requirements to ship discharge and noise；Hybrid propulsion mode is suitable for ship to propulsion
When power or the speed of a ship or plane have certain demand.
The marine diesel subsidiary engine of arrangement power generation, ship can not be had to using ship hybrid power system provided by the invention
Load 10 required for electric power provided by battery 8 or fuel cell 12, if generator 4 run when if preferentially using its issue
Electric energy, the priority that ship loads 10 electricity consumptions is: generator 4 is greater than fuel cell 12 and is greater than battery 8.
Claims (5)
1. a kind of double paddle pneumoelectric mixing ship power systems of single machine, it is characterized in that: including gas machine, gear-box, first electronic
Machine, the second motor, generator, LNG fluid reservoir, the gear-box include the first-the five gear, first gear and second gear
Engagement, the 4th gear are engaged with third gear and the 5th gear respectively, and gas machine connects first gear, hair by first clutch
Motor connects second gear by second clutch, and first gear is connected with the 4th gear by third clutch, and first is electronic
Machine connects third gear by the 4th clutch, and the second motor connects the 5th gear, the first propeller by the 5th clutch
The first motor is connected, the second propeller connects the second motor, and LNG fluid reservoir connects gas machine by gasification heat exchanger, stores
Battery passes through respective transformation device respectively with generator and connects network of ship, bank electricity device, ship load, the first motor and
Second motor connects network of ship.
2. the double paddle pneumoelectric mixing ship power systems of a kind of single machine according to claim 1, it is characterized in that: using mechanical
Propulsion mode, the mechanically-propelled mode include that gas machine promotes mode, gas machine+generator to promote mode；
Gas machine promotes mode: first clutch, third clutch, the 4th clutch, the 5th clutch closure, second clutch
It disconnects, the power supply disconnection of the first motor, the second motor, the first propeller, the second propeller are driven by gas machine.
Gas machine+generator promotes mode: all clutch closures, the first motor, the second motor power disconnect, gas machine
Power a part driving the first propeller, the second propeller issued, another part drive electrical power generators, and generating electricity can converge
Enter network of ship.
3. a kind of double paddle pneumoelectric mixing ship power systems of single machine according to claim 1 or 2, it is characterized in that: using
Electric propulsion mode, the electric propulsion mode include that battery promotes mode, gas machine power generation propulsion mode, bank electricity charging mould
Formula；
Battery promotes mode: clutch is all off, and the first propeller, the second propeller are by the first motor, second electronic
Machine driving, required electric energy are provided by network of ship；Alternatively, third clutch, the 4th clutch, the 5th clutch are closed, other
Clutch disconnects, and the first propeller, the second propeller is operated alone in the first motor or the second motor；
Gas machine power generation propulsion mode: first clutch, second clutch closure, other clutches disconnect, and gas machine drives hair
Electric power generation, network of ship can be imported by generating electricity, and the first propeller, the second propeller are driven by the first motor, the second motor
Dynamic, electric energy needed for the first motor, the second motor is provided by network of ship；Alternatively, first clutch, second clutch,
Four clutches, the 5th clutch closure, third clutch disconnect, and gas machine drives electrical power generators, and ship can be imported by generating electricity
Power grid, by the first motor drive, electric energy needed for the first motor is provided by network of ship for the first propeller, the second propeller,
Or, the first propeller, the second propeller, by the second motor drive, electric energy needed for the second motor is provided by network of ship；
Bank electricity charge mode: ship is when harbour and bank are stopped, to charge the battery by bank electricity charging unit external power supply.
4. a kind of double paddle pneumoelectric mixing ship power systems of single machine according to claim 1 or 2, it is characterized in that: using
Hybrid propulsion mode, the hybrid propulsion mode include that gas machine+motor promotes mode, gas machine+motor auxiliary power generation
Propulsion mode；
Gas machine+motor promotes mode: first clutch, third clutch, the 4th clutch, the 5th clutch closure, the
Two clutches disconnect, and propeller is by gas machine, the first motor and the second motor drive, the first motor, the second motor
Required electric energy is provided by network of ship；Alternatively, first clutch, third clutch, the 4th clutch, the 5th clutch are closed,
Second clutch disconnects, and by gas machine and the first motor drive, electric energy needed for the first motor is mentioned propeller by network of ship
For or, propeller, by gas machine and the second motor drive, electric energy needed for the second motor is provided by network of ship；
Gas machine+motor auxiliary power generation promotes mode: all clutches closures, a part of power that gas machine is issued and the
One motor, the second motor drive the first propeller, the second propeller, electricity needed for the first motor, the second motor jointly
It can be provided by network of ship, another part power of gas machine drives electrical power generators, and electricity can import network of ship；Or
All clutch closures of person, a part of power and the first motor that gas machine is issued drive the first propeller, second jointly
Propeller, electric energy needed for the first motor is provided by ship power grid, or, a part of power and the second motor that gas machine is issued
Common to drive the first propeller, the second propeller, electric energy needed for the second motor is provided by ship power grid, another part of gas machine
Power drives electrical power generators, and electricity can import network of ship.
5. the double paddle pneumoelectric mixing ship power systems of a kind of single machine according to claim 3, it is characterized in that: using mixing
Propulsion mode, the hybrid propulsion mode include that gas machine+motor promotes mode, gas machine+motor auxiliary power generation to promote
Mode；
Gas machine+motor promotes mode: first clutch, third clutch, the 4th clutch, the 5th clutch closure, the
Two clutches disconnect, and propeller is by gas machine, the first motor and the second motor drive, the first motor, the second motor
Required electric energy is provided by network of ship；Alternatively, first clutch, third clutch, the 4th clutch, the 5th clutch are closed,
Second clutch disconnects, and by gas machine and the first motor drive, electric energy needed for the first motor is mentioned propeller by network of ship
For or, propeller, by gas machine and the second motor drive, electric energy needed for the second motor is provided by network of ship；
Gas machine+motor auxiliary power generation promotes mode: all clutches closures, a part of power that gas machine is issued and the
One motor, the second motor drive the first propeller, the second propeller, electricity needed for the first motor, the second motor jointly
It can be provided by network of ship, another part power of gas machine drives electrical power generators, and electricity can import network of ship；Or
All clutch closures of person, a part of power and the first motor that gas machine is issued drive the first propeller, second jointly
Propeller, electric energy needed for the first motor is provided by ship power grid, or, a part of power and the second motor that gas machine is issued
Common to drive the first propeller, the second propeller, electric energy needed for the second motor is provided by ship power grid, another part of gas machine
Power drives electrical power generators, and electricity can import network of ship.
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| CN110937095A (en) * | 2019-12-13 | 2020-03-31 | 江苏科技大学海洋装备研究院 | Cargo ship using LNG-battery hybrid power propulsion system |
| CN111332447A (en) * | 2020-03-28 | 2020-06-26 | 哈尔滨工程大学 | Double-shaft double-motor ship ammonia-electricity hybrid power system with fuel cell |
| CN111332446A (en) * | 2020-03-28 | 2020-06-26 | 哈尔滨工程大学 | Double-shaft double-motor ship ammonia-electricity hybrid power system with waste heat utilization function |
| CN114771796A (en) * | 2022-03-01 | 2022-07-22 | 武汉理工大学 | Ship gas-electric hybrid power system with direct-current networking |
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Application publication date: 20190621 |