CN211494424U

CN211494424U - Fuel engine driven ship with electric driving system

Info

Publication number: CN211494424U
Application number: CN201921995332.2U
Authority: CN
Inventors: 苗立杰; 李革臣; 程从彬
Original assignee: Harbin Zimu New Energy Technology Co ltd
Current assignee: Harbin Zimu New Energy Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-15
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses an increase electric drive system's fuel engine drive boats and ships, increased an electric drive system on traditional fuel engine propulsion system's basis, electric drive system includes motor, machine controller and electrical power generating system. The motor is fixed in the hull outside, and motor controller and electrical power generating system install inside the hull. The power supply system provides electric energy for the motor controller, the motor controller controls the power and the rotating speed of the motor, and the motor drives the propeller to propel the ship to operate. The utility model has the advantages of the installation space in cabin has been saved in the hull outside to the motor is installed to the hull to remain original fuel engine actuating system's function, realized three kinds of mode of electric drive mode of operation, fuel engine drive mode of operation and hybrid drive mode of operation. The advantages of the fuel engine propulsion system and the electric propulsion system are fully exerted, the dynamic performance, the economy and the comfort of the ship are improved, and the emission of pollutants is reduced.

Description

Fuel engine driven ship with electric driving system

Technical Field

The utility model relates to a ship drive technical field who traveles in rivers, lakes and seas, especially an increase electric drive system's fuel engine drive boats and ships.

Background

At present, fuel oil is generally adopted as power energy for ships in rivers, lakes and seas, and ship driving is realized by driving a propeller through a fuel engine. The traditional fuel oil driven ship has the disadvantages of high energy consumption, low efficiency and inflexible operation, and causes serious atmospheric pollution and water pollution in the driving process. At present, the traditional fuel engine driven ship is transformed into an electric drive to gradually become a development trend, and because a large-power motor is large in size and limited by installation space, the high manufacturing cost of the motor increases the cost of ship transformation, so that many ship owners are forbidden.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a fuel engine driven ship with an increased electric drive system, which can improve the driving performance and the operating performance of the ship, improve the energy-saving efficiency and reduce the ship transformation cost.

The utility model discloses an electric drive system has been increased on traditional fuel engine propulsion system's basis, and electric drive system includes motor, machine controller and electrical power generating system. The motor is fixed outside the ship body, the rotor part of the motor is fixed on a transmission shaft of the propeller, and the motor controller and the power supply system are installed inside the ship body. The power supply system provides electric energy for the motor controller, the motor controller drives the motor according to the navigation instruction, and the rotor of the motor drives the propeller to rotate so as to propel the ship to operate.

The motor comprises a rotor part, a stator part and the like, wherein the rotor part of the motor is fixed on a transmission shaft of the propeller, and the stator part of the motor is fixed on the outer side of the ship body.

The motor controller provides electric energy to drive the motor, and the motor controller can adjust the output power and the rotating speed of the motor in due time according to the running condition, so that the propulsion system of the ship works in the optimal and efficient working area.

The power supply system can use a range extender as a power supply system of an electric drive system, the range extender is composed of a fuel oil power generation system, a power generation controller and the like, and the range extender outputs direct current high voltage to the motor controller to drive the motor to work.

Preferably, the power supply system can use a power battery system as an independent power supply of the electric driving system, the power battery system is composed of a plurality of power battery units, the power battery system outputs direct-current high voltage to the motor controller to drive the motor to work, and the ship propulsion system works in a pure electric driving mode.

The power battery system is provided with an external charging interface, and the electric power battery system is charged by AC380V alternating current but not limited to AC380V alternating current.

The utility model discloses can use the electrodynamic technical transformation at current fuel propulsion system boats and ships, also can use the electrodynamic design at novel boats and ships.

The fuel engine driven ship added with the electric drive system has three working modes: an electric drive mode of operation, a fuel engine drive mode of operation, and a hybrid drive mode of operation. When the ship works in an electric driving mode, a clutch on a transmission shaft disconnects the transmission shaft of the fuel engine, a fuel engine driving system stops working, and a rotor of a motor drives a propeller to rotate to propel the ship to run; when the ship works in the fuel engine driving mode, the power supply of the power driving system is turned off, and the ship propels the ship to run according to the original fuel engine driving working mode; when the ship works in a hybrid power driving working mode, the fuel engine driving system and the electric driving system are started simultaneously, and the driving capability and the running speed of the ship are increased.

The utility model has the advantages of the installation space in cabin has been saved in the hull outside to the motor is installed to the hull to remain original fuel engine actuating system's function, realized three kinds of mode of electric drive mode of operation, fuel engine drive mode of operation and hybrid drive mode of operation. The advantages of the fuel engine propulsion system and the electric propulsion system are fully exerted, the dynamic performance, the economy and the comfort of the ship are improved, and the emission of pollutants is reduced. The redundant ship driving system improves the reliability of ship operation and is also beneficial to reducing the cost of ship electric transformation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic block diagram of an electric drive system according to embodiment 1 of the present invention;

fig. 3 is a schematic block diagram of an electric drive system according to embodiment 2 of the present invention;

wherein: 0. the ship comprises a ship body, 1, a propeller, 2, a motor, 2-1, a rotor, 2-2, a stator, 3, a driving shaft, 4, a clutch, 5, a fuel engine, 6, a motor controller, 7, a ship power supply system, 8, a power battery system, 9, a range extender, 10 and an external charging interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1 was carried out:

the embodiment adds an electric driving system on the basis of the original fuel engine driven ship. The electric drive system comprises an electric motor (2), a motor controller (6) and a range extender (9). The motor comprises a rotor (2-1) part and a stator (2-2) part, and the like, wherein the rotor part of the motor is fixed on a transmission shaft (3) of the propeller, and the stator part of the motor is fixed on the outer side of the ship body (0). The motor, the motor controller and the range extender are all mature finished products in the market, can be purchased and customized according to technical requirements, and can also be designed and manufactured by self.

Example 2 was carried out:

in the embodiment 2, a power battery system (8) is added on the basis of the embodiment 1. The power battery system selects a lithium iron phosphate battery with better safety as a power battery. The charge-discharge multiplying power is designed to be 0.5C, so that the use safety and the service life of the battery are guaranteed. Nominal voltage of battery system: 540V; nominal capacity of the battery: 302 kwh.

The external charging interface (10) is connected with a high-voltage distribution system, and the power battery system is charged by external AC380V alternating current.

Claims

1. The fuel engine driven ship with the electric driving system is characterized in that the electric driving system is added on the basis of a traditional fuel engine propulsion system and comprises a motor, a motor controller and a power supply system, the motor is fixed on the outer side of a ship body, a rotor part of the motor is fixed on a transmission shaft of a propeller, the motor controller and the power supply system are installed inside the ship body, the power supply system provides electric energy for the motor controller, the motor controller drives the motor according to a navigation instruction, and the rotor of the motor drives the propeller to rotate so as to propel the ship to run.

2. A fuel engine driven ship with an electric drive system added thereto as set forth in claim 1, wherein the motor is composed of a rotor portion fixed to a drive shaft of the propeller, a stator portion fixed to an outside of the hull, and the like.

3. The fuel engine driven ship with the added electric drive system as claimed in claim 1, wherein the motor controller drives the electric motor, and the ship running control center can adjust the power and the rotation speed of the electric motor according to the running condition, so that the propulsion system of the ship can work in the optimal and efficient working area.

4. The fuel engine driven ship with the added electric drive system as recited in claim 1, wherein the power system is added with a power battery system as an independent power source of the electric drive system, the power battery system is composed of a plurality of power battery units, the power battery system outputs direct current high voltage to the motor controller, the drive motor works, and the ship propulsion system works in a pure electric drive mode.

5. A fuel engine driven marine vessel with an added electric drive system as claimed in claim 4 wherein said power battery system has an external charging interface for charging by AC380V AC but not limited to AC380V AC power battery system.