CN207595233U - A kind of Ship Electrical Power System - Google Patents

A kind of Ship Electrical Power System Download PDF

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Publication number
CN207595233U
CN207595233U CN201721245003.7U CN201721245003U CN207595233U CN 207595233 U CN207595233 U CN 207595233U CN 201721245003 U CN201721245003 U CN 201721245003U CN 207595233 U CN207595233 U CN 207595233U
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China
Prior art keywords
power
ship
lithium battery
management module
connect
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CN201721245003.7U
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Chinese (zh)
Inventor
韩佳
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Guangzhou Shipyard International Co Ltd
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Guangzhou Shipyard International Co Ltd
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Priority to CN201721245003.7U priority Critical patent/CN207595233U/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/12Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor

Abstract

The utility model embodiment discloses a kind of Ship Electrical Power System, applied to ship, the ship includes no-break power unit and electric propulsion device, the Ship Electrical Power System includes generating set, lithium battery group, panel, battery management module, and power conversion module, by using generating set as main electric power source, lithium battery group is as auxiliary power source, lithium battery group is used to provide electric energy for ship no-break power unit, and when battery management module detects lithium battery group not enough power supply, the electric energy that panel distribution generating set generates is controlled to charge for lithium battery group.A kind of Ship Electrical Power System that the utility model embodiment provides can provide the electric energy for continuing, stablizing, so as to reduce the operating cost of ship for no-break power unit on ship.

Description

A kind of Ship Electrical Power System
Technical field
The utility model embodiment is related to electronic circuit technology field more particularly to a kind of Ship Electrical Power System.
Background technology
A kind of vehicles of the ship as water transportation or operation are had different skills by different use demands Art performance, equipment and structure type.With the development of power electronics, the ship of electrical energy drive becomes the master of current transportation and operation Want the vehicles.And ship basis in transport or operation process is presently in the difference of operating mode, and need different power supply volumes.
The power supply source of spot ship mainly has steam engine, diesel-driven generator, gas engine and nuclear power unit etc..Currently, The ship of class is transported mainly using diesel-driven generator as power supply source, and the power of selected diesel-driven generator is according to its electricity on ship Net determines the demand of electricity, i.e., the power of generator according to the condition calculating of maximum power supply volume.But it is normally navigating Under capable operating mode, institute's electricity demand is smaller, this, which allows for generating set, needs longtime running in the state of underload.And certain special In the case of need emergency power supply, if at this time generator damage or low on fuel, it will harm personnel or cargo safety.
Therefore, generating set and its auxiliary used in ship are not only increased using electricity generation unit in the prior art The cost of equipment, and the damage of ship machinery structure can be caused.In addition, personnel or cargo will be threatened for certain special circumstances Safety.
Utility model content
In view of this, the utility model embodiment provides a kind of Ship Electrical Power System, can solve ship in the prior art Oceangoing ship causes its cost to improve using electricity generation unit, and ship machinery structure is caused to predispose to damage and endanger personnel and wealth The technical issues of object is safe.
The utility model embodiment provides a kind of Ship Electrical Power System, and the ship includes no-break power unit and electricity Power propeller, the Ship Electrical Power System include:Generating set, lithium battery group, panel, battery management module and power supply Modular converter;
The input terminal of the panel is connect with the output terminal of the generating set and output terminal is converted with the power supply The input terminal connection of module for distributing the electric energy of the generating set output, and inputs the power conversion module;
First output terminal of the power conversion module connect with the electric propulsion device and second output terminal with it is described Lithium battery group connects, and the electric energy for being inputted to the panel exports after converting;
The signal acquisition terminal of the battery management module is connect with the electric energy output end of the lithium battery group and the first control End processed is connect with the control terminal of the panel, for acquiring the energy information of the lithium battery group, and in the lithium battery group Electricity be less than preset value when, control the panel by the power conversion module to the lithium battery group distribute charging letter Number;
First output terminal of the lithium battery group is connect with the no-break power unit, for for the uninterrupted power supply Equipment provides electric energy.
Optionally, the ship further includes emergency-lighting set, the system also includes:Emergency controller;
First control terminal of the lithium battery group is connect with the emergency controller and second output terminal is met an urgent need with described The electrical energy inputs connection of lighting apparatus for the emergency flight control signal sent out according to the emergency controller, is met an urgent need to described Lighting apparatus provides electric energy.
Optionally, the panel includes power management module;
The signal acquisition terminal of the power management module is connect with the power take-off of the generating set, output terminal and institute The input terminal connection and input terminal for stating battery management module are connect with the output terminal of the battery management module, for acquiring The output power of the generating set and the information about power that the lithium battery group is acquired by the battery management module, and According to the actual use power of the electric propulsion device under the current working pattern of the ship, current complete of the ship is determined Ship practicality general power, and input the battery management module;
Second control terminal of the battery management module is connect with the second control terminal of the lithium battery group, for described The electricity of lithium battery group be less than preset value when, control the panel by the power conversion module to the lithium battery group into Row electricity supplements, and when the current full ship practicality general power of the ship exceeds predetermined threshold value, the lithium battery group is controlled to lead to It crosses the power conversion module to power to the electric propulsion device, to carry out the compensation of net capacity;
The input terminal of the power conversion module is also connect with the third output terminal of the lithium battery group, described for receiving Panel and the electric energy of lithium battery group input, and be converted to electric energy needed for the electric propulsion device.
Optionally, the power conversion module includes frequency converter and transformer.
Optionally, the generator is diesel-driven generator.
Optionally, the lithium battery group includes multiple single lithium batteries.
The utility model embodiment provides a kind of Ship Electrical Power System, and applied to ship, which includes uninterrupted supply Electric equipment and electric propulsion device, the corresponding Ship Electrical Power System include generating set, lithium battery group, panel, battery management Module and power conversion module, by using generating set as main power source, lithium battery group as auxiliary power source, Lithium battery group is used to provide electric energy, and lithium battery group electricity is detected not in battery management module for ship no-break power unit When sufficient, the electric energy that control panel distribution generating set generates is the technological means of lithium battery group charging, solves the prior art In, the technical issues of using main power source as ship no-break power unit continued power, cause vessel motion cost increase, phase For generating set is used to be powered for ship no-break power unit, there can be stable, continued power technique effect, It further reduced the operating cost of ship.
Description of the drawings
Fig. 1 is a kind of structure diagram for Ship Electrical Power System that the utility model embodiment one provides;
Fig. 2 is a kind of structure diagram for Ship Electrical Power System that the utility model embodiment provides;
Fig. 3 is a kind of structure diagram for Ship Electrical Power System that the utility model embodiment provides.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein Described specific embodiment is used only for explaining the utility model rather than the restriction to the utility model.It further needs exist for It is bright, part relevant with the utility model rather than entire infrastructure are illustrated only for ease of description, in attached drawing.Do not conflicting In the case of, the feature in the utility model embodiment and embodiment can be combined with each other.
Embodiment one
Ship Electrical Power System provided in this embodiment can be adapted for the applied field of the ship with no-break power unit Scape.Fig. 1 is a kind of structure diagram for Ship Electrical Power System that the utility model embodiment one provides.As shown in Figure 1, on ship With no-break power unit 70 and electric propulsion device 60, the Ship Electrical Power System 100 that the utility model embodiment provides includes: Generating set 10, lithium battery group 50, panel 20, battery management module 40 and power conversion module 30.
Wherein, the input terminal of panel 20 is connect with the output terminal of generating set 10, the output terminal and power supply of panel 20 The input terminal connection of modular converter 30, for distributing the electric energy of the output of generating set 10, and input power modular converter 30;Power supply First output terminal of modular converter 30 is connect with electric propulsion device 60, the second output terminal and lithium battery group of power conversion module 30 50 connections, the electric energy for being inputted to panel 20 export after converting;The signal acquisition terminal and lithium of battery management module 40 The electric energy output end connection of battery pack 50, the first control terminal of battery management module 40 connect with the control terminal of panel 20, use In the electric energy of acquisition lithium battery group 50, and when the electricity of the lithium battery group is less than preset value, control panel 20 passes through electricity Source modular converter 30 distributes charging signals to lithium battery group 50;First output terminal of lithium battery group 50 and no-break power unit 70 Connection, for providing electric energy for no-break power unit 70.
Illustratively, the ship of transport and operation is carried out using electric propulsion system, motor can drive ship Electric propulsion device carries out Ship Propeling.And in ship in addition to electric propulsion device, also with other equipment that need to be powered, such as with ship The relevant equipment of oceangoing ship navigation safety, lighting apparatus and communication system etc..Due to the ship power supply source of existing electric propulsion system Predominantly generator powered, and when cabin water inlet or generator damage, vessel motion will be led to, at this point, also can not be ship On emergency lighting and communication system be powered, the safety of the personnel put on and cargo will be threatened as a result, so as to make Into heavy losses.
As shown in Figure 1, the Ship Electrical Power System 100 that the utility model embodiment provides, is active force with generating set 10 Source, lithium battery group 50 are auxiliary power source.The electric energy of the output of generating set 10 is distributed by panel 20, and is converted using power supply Module 30 provides electric energy into after the conversion of horizontal electrical signal for power supply unit corresponding in ship so that each power supply unit can on Electricity work.Since the no-break power unit 70 on ship needs continual and steady power supply, thus lithium battery group 50 is used as ship The no-break power unit 70 of oceangoing ship provides electric energy, and passes through the electricity that battery management module 40 detects lithium battery group 50, in lithium electricity During the not enough power supply of pond group 50, sent out to panel 20 and the electric energy that generating set 10 exports carried out redistributing control signal, So that the electric energy that 20 controling power conversion module 30 of panel exports generating set 10 is carried out after converting accordingly, respectively lithium Battery pack 50 provides rechargeable electrical energy and the electric energy of operation is provided for electric propulsion device 60, so that electrician in electric propulsion device 60 Make.
The Ship Electrical Power System that the utility model embodiment provides is using generating set as main power source, lithium battery group As auxiliary power source, lithium battery group is used to provide electric energy, and detect in battery management module for ship no-break power unit During to lithium battery group not enough power supply, the electric energy that control panel distribution generating set generates charges for lithium battery group, so as to No-break power unit for ship provides the electric energy for continuing, stablizing, and then reduces the operating cost of ship.
Embodiment two
The present embodiment is optimized on the basis of above-described embodiment, provides preferably on the basis of above-described embodiment Upper ship further includes emergency-lighting set, and the power supply source of the emergency-lighting set is lithium battery group.Fig. 2 is the utility model reality A kind of structure diagram of Ship Electrical Power System of example offer is provided.As shown in Fig. 2, ship has electric propulsion device 60, uninterrupted Power supply unit 70 and emergency-lighting set 80, correspondingly, Ship Electrical Power System 100 includes:Generating set 10, lithium battery group 50th, panel 20, battery management module 40, power conversion module 30 and emergency controller 90.Wherein, lithium battery group 50 First control terminal is connect with emergency controller 90, and the second output terminal of lithium battery group 50 is inputted with the electric energy of emergency-lighting set 80 For the emergency flight control signal sent out according to emergency controller 90, electric energy is provided to emergency-lighting set 80 for end connection.
Illustratively, during vessel motion, due to running environment or misoperation, it may cause ship that event occurs Barrier, at this point, the power supply for ship normal power supply generates failure or has to be off power supply so that normal illumination west is guarantor Member and the safety of property need to put into emergency lighting.As shown in Fig. 2, the Ship Electrical Power System that the utility model embodiment provides, Applied on the ship with no-break power unit 70, emergency-lighting set 80 and electric propulsion device 60.It is normal in ship When illuminalive power-supply power supply generates failure or is necessary to switch off, at this point, the emergency controller 90 in Ship Electrical Power System 100 detects ship When it is powered off suddenly, emergency flight control signal is sent out to lithium battery group 50 for the operation conditions of upper normal illumination equipment so that lithium electricity Pond group 50 provides electric energy to emergency-lighting set 80, so as to ensure the safety of personnel and property on ship.
Optionally, Fig. 3 is a kind of structure diagram for Ship Electrical Power System that the utility model embodiment provides.Such as Fig. 3 Shown, the panel 20 of the Ship Electrical Power System 100 includes power management module 21.Wherein, the signal of power management module 21 Collection terminal is connect with the power take-off of generating set 10, and the output terminal of power management module 21 is defeated with battery management module 40 Enter end connection, 21 input terminal of power management module is connect with the output terminal of battery management module 40, for acquiring generating set 10 Output power and the information about power of lithium battery group 50 is acquired by battery management module 40, and according to the current work of ship The actual use power of electric propulsion device 60 under condition pattern determines the current full ship practicality general power of ship, and inputs cell tube Manage module 40;Second control terminal of battery management module 40 is connect with the second control terminal of lithium battery group 50, in lithium battery When the electricity of group 50 is less than preset value, control panel 20 carries out electricity benefit by power conversion module 30 to lithium battery group 50 It fills, and when the current full ship practicality general power of ship exceeds predetermined threshold value, control lithium battery group 50 passes through power conversion module 30 power to electric propulsion device 60, to carry out the compensation of net capacity;The input terminal of power conversion module 30 also with lithium battery group 50 third output terminal connection, for receiving the electric energy of panel 20 and the input of lithium battery group 50, and is converted to electric propulsion device Electric energy needed for 60.
Illustratively, with the increase of ship electrical load power, power generation, distribution and the electric energy pipe with electric loading of ship It manages most important.It is then desired to effectively managed to the electricity generation system of ship, distribution system and with the electric energy of electric loading, with Ensure that ship has enough available powers.And during vessel motion, with different operating modes, typical work can be divided into Condition (such as freely set sail, stop, falling to navigate etc.), special operation condition (such as propeller is obstructed, is discharged, comes off) and failure work Condition (such as generator singlephase earth fault, three phase short circuit fault etc.).And for different operating conditions, demand of the ship to power grid Amount is different.For using ship of the generating set as main power source, the operating condition different to adapt to ship then needs to use The generating set of relatively high power.This increases the cost for causing ship, and the generating set occupied space of relatively high power is big, simultaneously Certain damage can be caused to some mechanical structure that ship is run under typical condition.
As shown in figure 3, the Ship Electrical Power System 100 that the utility model embodiment provides, the generating set 10 of use can Meet the operation of ship typical condition, so as to be used as main power source during vessel motion.And it is set in panel 20 Power management module 21 is equipped with, battery management is detected and passes through with the power exported to the generating set 10 on ship Module 40 is acquired the information about power of lithium battery group 50, and detects electric propulsion under the current operating condition pattern of ship in real time The full ship practicality general power to determine the current full ship practicality general power of ship, and is inputted electricity by the actual use power of device 60 Judged in pond management module 40.When battery management module 40 detects that the full ship practicality general power is more than predetermined threshold value, The control signal of electric discharge is sent out to lithium battery group 50.So that lithium battery group 50 starts to discharge, and carried out through power conversion module 30 After conversion, input electric power propeller 60, so as to which the power grid that offset electricity generation unit 10 is insufficient for the current operating condition of ship holds Amount.Wherein, preset value for example can be the maximum power value that generating set 10 can be output.
Optionally, power conversion module 30 includes frequency converter and transformer.Wherein, frequency converter is mainly by rectification, filtering, inverse The compositions such as change, brake unit, driving unit, detection unit microprocessing unit export electric energy by changing generating set 10 Frequency, to meet the needs of each power supply unit is to different frequency power supply, so as to achieve the purpose that energy saving and speed governing, in addition, Frequency converter has defencive function, such as overcurrent, overvoltage, overload protection.Transformer is mainly by primary coil, secondary coil and iron core (magnetic core) forms, and can carry out voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing etc., principle is utilizes electromagnetism Sensing changes the voltage of power supply, so as to meet ship difference power supply unit to source voltage requirements.
Optionally, generating set 10 is diesel generating set.It is excellent that diesel-driven generator has that power is big, economic performance is good etc. Point uses diesel oil as fuel, which has the advantages that viscosity is big, is not easy to evaporate, autoignition temperature is low etc..Thus on ship It is main power source using diesel-driven generator, the operating cost of ship can be reduced.
Optionally, lithium battery group 50 includes multiple single lithium batteries.The energy comparison of lithium battery is high, has high storage energy Density, and have the characteristics that service life is long, rated voltage is high, high/low temperature is adaptable, and be widely used.In marine vessel power The compensation of net capacity is carried out in system using lithium battery group 50, can be ensured under ship difference operating condition to the need of electricity It asks, and its high circulation performance, the operating cost for the ship further saved.
The Ship Electrical Power System that the utility model embodiment provides normally is shone by the way that emergency controller is set to detect in ship The working condition of bright equipment, and when normal illumination equipment powers off suddenly, control lithium battery group sends out electricity to catholuminescence equipment Signal so that emergency-lighting set can start in time, so as to ensure the safety of personnel and property on ship, and then reduces ship Operating cost.
Note that it above are only the preferred embodiment of the utility model and institute's application technology principle.Those skilled in the art's meeting Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright Aobvious variation is readjusted and is substituted without departing from the scope of protection of the utility model.Therefore, although passing through above example The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended Right determine.

Claims (6)

1. a kind of Ship Electrical Power System, which is characterized in that the ship includes no-break power unit and electric propulsion device, described Ship Electrical Power System includes:Generating set, lithium battery group, panel, battery management module and power conversion module;
The input terminal of the panel is connect with the output terminal of the generating set and output terminal and the power conversion module Input terminal connection, for distributing the electric energy of generating set output, and input the power conversion module;
First output terminal of the power conversion module is connect with the electric propulsion device and second output terminal and the lithium electricity Pond group connection, the electric energy for being inputted to the panel export after converting;
The signal acquisition terminal of the battery management module is connect with the electric energy output end of the lithium battery group and the first control terminal It is connect with the control terminal of the panel, for acquiring the energy information of the lithium battery group, and in the electricity of the lithium battery group When amount is less than preset value, the panel is controlled to distribute charging signals to the lithium battery group by the power conversion module;
First output terminal of the lithium battery group is connect with the no-break power unit, for for the no-break power unit Electric energy is provided.
2. system according to claim 1, which is characterized in that the ship further includes emergency-lighting set, the system It further includes:Emergency controller;
First control terminal of the lithium battery group is connect with the emergency controller and second output terminal and the emergency lighting The electrical energy inputs connection of equipment, for the emergency flight control signal sent out according to the emergency controller, to the emergency lighting Equipment provides electric energy.
3. system according to claim 1, which is characterized in that the panel includes power management module;
The signal acquisition terminal of the power management module is connect with the power take-off of the generating set, output terminal and the electricity The input terminal connection of pond management module and input terminal are connect with the output terminal of the battery management module, described for acquiring The output power of generating set and the information about power that the lithium battery group is acquired by the battery management module, and according to The actual use power of the electric propulsion device under the current working pattern of the ship determines that the current full ship of the ship is real With general power, and input the battery management module;
Second control terminal of the battery management module is connect with the second control terminal of the lithium battery group, in lithium electricity When the electricity of pond group is less than preset value, the panel is controlled to carry out electricity to the lithium battery group by the power conversion module Amount supplement, and when the current full ship practicality general power of the ship exceeds predetermined threshold value, the lithium battery group is controlled to pass through institute It states power conversion module to power to the electric propulsion device, to carry out the compensation of net capacity;
The input terminal of the power conversion module is also connect with the third output terminal of the lithium battery group, for receiving the distribution Plate and the electric energy of lithium battery group input, and be converted to electric energy needed for the electric propulsion device.
4. system according to claim 1, which is characterized in that the power conversion module includes frequency converter and transformer.
5. according to Claims 1 to 4 any one of them system, which is characterized in that the generator is diesel-driven generator.
6. according to Claims 1 to 4 any one of them system, which is characterized in that the lithium battery group includes multiple single lithiums Battery.
CN201721245003.7U 2017-09-26 2017-09-26 A kind of Ship Electrical Power System Active CN207595233U (en)

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CN201721245003.7U CN207595233U (en) 2017-09-26 2017-09-26 A kind of Ship Electrical Power System
PCT/CN2017/114135 WO2019061803A1 (en) 2017-09-26 2017-11-30 Ship power system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110789700A (en) * 2019-09-30 2020-02-14 广州文冲船厂有限责任公司 Ship battery power management system and control method
CN112208719A (en) * 2020-08-24 2021-01-12 中国船舶工业集团公司第七0八研究所 Ship overall design scheme based on vanadium flow battery power

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3035477A1 (en) * 2014-12-19 2016-06-22 ABB Technology Ltd A power system comprising a central energy storage system and a method of controlling power transfer in a power system
NO338463B1 (en) * 2015-03-20 2016-08-22 Kongsberg Maritime As Dynamic hybrid control
CN105966590A (en) * 2016-06-28 2016-09-28 江苏省船舶设计研究所有限公司 Vehicle-passenger ferry provided with energy storage unit type hybrid electric propelling system
CN205801485U (en) * 2016-06-28 2016-12-14 江苏省船舶设计研究所有限公司 A kind of car passenger ferry of band energy-storage units hybrid electric propulsion system
CN106364651B (en) * 2016-10-10 2018-07-17 长沙绿航节能科技有限公司 A kind of Marine Synthesize Electric Propulsion System and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110789700A (en) * 2019-09-30 2020-02-14 广州文冲船厂有限责任公司 Ship battery power management system and control method
CN112208719A (en) * 2020-08-24 2021-01-12 中国船舶工业集团公司第七0八研究所 Ship overall design scheme based on vanadium flow battery power

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