Power system of high-horsepower single-machine electric boat

Abstract

The utility model relates to the technical field of power systems, in particular to a high-horsepower single-machine electric boat power system which comprises a BCU, a low-voltage system, a battery system, an outboard engine system, an HMI system and a communication network. The BCU, the low-voltage system, the battery system, the outboard engine system and the HMI system are connected through the communication network; the outboard engine system comprises a propulsion motor, an MCUT, a steering motor, an MCUS, a tilting motor, a speed reducer, a propeller and a heat dissipation system; the propulsion motor outputs propulsion power to the speed reducer; the MCUT receives a control instruction of the BCU to control the propulsion motor; the steering motor is controlled by the MCUS; the MCUS receives a control instruction of the BCU to control the steering motor; the warping motor is controlled by the BCU; the speed reducer transmits the power of the propulsion motor to the propeller after gear speed change; the heat dissipation system receives a BCU control instruction to provide heat dissipation for the propulsion motor and the MCUT. According to the invention, high-horsepower electric power output is provided for small ships and boats, and the green energy travel requirement is met.

Description

Technical Field

[0001] This patent relates to the technical field of power systems, and particularly to a large-horsepower single-engine electric boat power system. Background Art

[0002] Under the background of "dual carbon", traffic emissions reduction is the most prominent. New energy technologies with power batteries and motors as the core have achieved relatively prominent achievements in the field of road traffic. Currently, the electrification of waterborne transportation mainly for inland and offshore vessels is in the stage of technical reserves in the early stage of industrial development, and the industrialization market has broad prospects. Summary of the Invention

[0003] In order to ensure the safety of personnel and property and put forward higher requirements for water travel safety, the utility model provides a large-horsepower single-engine electric boat power system, which includes a BCU, a low-voltage system, a battery system, an outboard engine system, an HMI system and a communication network; the BCU, the low-voltage system, the battery system, the outboard engine system and the HMI system are all connected through the communication network; the outboard engine system includes a propulsion motor, an MCUT, a steering motor, an MCUS, a trimming motor, a reducer, a propeller and a heat dissipation system; the propulsion motor is powered by a high-voltage battery and is controlled by the MCUT, and outputs propulsion power to the reducer; the MCUT receives the control instruction of the BCU to control the propulsion motor; the steering motor is controlled by the MCUS to realize the steering of the outboard engine, so as to realize the steering control of the whole ship; the MCUS receives the control instruction of the BCU to control the steering motor; the trimming motor is controlled by the BCU to realize the trimming of the outboard engine; the reducer transmits the power of the propulsion motor to the propeller through gear speed change; the propeller rotates to generate thrust to realize the propulsion control of the whole ship; the heat dissipation system receives the BCU control instruction to provide heat dissipation for the propulsion motor and the MCUT.

[0004] As another alternative and preferred solution: the low-voltage system includes a low-voltage battery and a low-voltage distribution box; the low-voltage battery supplies power to the low-voltage electrical appliances of the whole ship; the BCU realizes the low-voltage power-on and power-off control of each major subsystem by controlling the power switches of the battery system, the outboard engine system and the HMI system in the low-voltage distribution box; the BCU communicates with each major subsystem through the communication network, obtains the relevant states of each major subsystem, and conducts relevant control on each major subsystem.

[0005] As another alternative preferred solution: The battery system includes a high-voltage battery, a BMS, a high-voltage distribution box, DCDC12, DCDC24, and a heat dissipation system; the high-voltage battery provides power for the propulsion motor and inputs for DCDC12 and DCDC24; the BMS monitors and manages the high-voltage battery, feeds back the relevant status of the high-voltage battery to the BCU, and receives the BCU control instruction to control the high-voltage distribution box; the high-voltage distribution box receives the control instruction of the BMS to control the relevant relays to achieve high-voltage power-on and power-off control; DCDC12 receives the BCU control instruction to supply power to the tilting motor and provides a 12V electrical appliance interface for customers; DCDC24 receives the BCU control instruction to charge the low-voltage battery and provides a 24V electrical appliance interface for customers; the heat dissipation system receives the BCU control instruction to dissipate heat for the high-voltage battery, DCDC12, and DCDC24.

[0006] As another alternative preferred solution: The HMI system includes an instrument panel, a handle, a steering wheel, a key, and a safety rope; the user starts and shuts down the entire power system through the key; the user controls the forward and backward propulsion and tilting up and down of the outboard motor through the handle; the user controls the left and right steering of the outboard motor through the steering wheel; the safety rope provides safety protection for the user. The driver connects the safety rope before driving. If the driver accidentally falls into the water during driving, the disconnection of the safety rope will trigger the system to shut down; the instrument panel displays the status information of the entire boat and major subsystems to the user.

[0007] The advantages of this patent compared with the prior art are: This patent provides a large-horsepower electric power output for small boats, meeting the requirements of pure green energy travel for electric-powered boats. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further described below in conjunction with the drawings and embodiments:

[0009] Figure 1 It is a schematic diagram of the overall architecture of the large-horsepower single-machine electric boat power system according to the embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0010] The technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0011] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0012] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0013] The following are only the preferred embodiments of the present invention and do not limit the protection scope of the present invention accordingly.

[0014] Embodiment, see Figure 1 As shown: A large-horsepower single-engine electric boat power system includes a BCU (boat controller unit), a low-voltage system, a battery system, an outboard engine system, an HMI (human-machine interface) system, and a communication network; the BCU, low-voltage system, battery system, outboard engine system, and HMI system are all connected through the communication network.

[0015] The low-voltage system includes a low-voltage battery, a low-voltage distribution box, and a communication network. The low-voltage battery supplies power to the low-voltage electrical appliances of the whole boat. The BCU realizes the low-voltage power-on and power-off control of each major subsystem by controlling the power switches of the battery system, outboard engine system, and HMI system in the low-voltage distribution box. The BCU communicates with each major subsystem through the communication network, obtains the relevant states of each major subsystem, and conducts relevant control on each major subsystem.

[0016] The battery system includes a high-voltage battery, a battery management system (hereinafter referred to as BMS), a high-voltage distribution box, a high-voltage DC to 12V DC (hereinafter referred to as DCDC12), a high-voltage DC to 24V DC (hereinafter referred to as DCDC24), and a cooling system. The high-voltage battery provides power for the propulsion motor and inputs for DCDC12 and DCDC24. The BMS monitors and manages the high-voltage battery, feeds back the relevant status of the high-voltage battery to the BCU, and receives the BCU control instructions to control the high-voltage distribution box. The high-voltage distribution box receives the control instructions from the BMS to control the relevant relays to achieve high-voltage power-on and power-off control. DCDC12 receives the BCU control instructions to supply power to the tilting motor and provides a 12V electrical appliance interface for customers. DCDC24 receives the BCU control instructions to charge the low-voltage battery and provides a 24V electrical appliance interface for customers. The cooling system receives the BCU control instructions to provide heat dissipation for the high-voltage battery, DCDC12, and DCDC24.

[0017] The outboard engine system includes a propulsion motor, a propulsion motor controller (hereinafter referred to as MCUT), a steering motor, a steering motor controller (hereinafter referred to as MCUS), a tilting motor, a reducer, a propeller, and a cooling system. The propulsion motor is powered by the high-voltage battery and controlled by MCUT, and outputs the propulsion power to the reducer. MCUT receives the control instructions from the BCU to control the propulsion motor. The steering motor is controlled by MCUS to achieve the steering of the outboard engine, thereby realizing the steering control of the whole ship. MCUS receives the control instructions from the BCU to control the steering motor. The tilting motor is controlled by the BCU to achieve the tilting of the outboard engine. The reducer transmits the power of the propulsion motor to the propeller through gear speed change. The propeller rotates to generate thrust to achieve the propulsion control of the whole ship. The cooling system receives the BCU control instructions to provide heat dissipation for the propulsion motor and MCUT.

[0018] The HMI system includes an instrument panel, a handle, a steering wheel, a key, and a safety rope. The user starts and shuts down the entire power system through the key. The user controls the forward and backward propulsion and tilting up and down of the outboard engine through the handle. The user controls the left and right steering of the outboard engine through the steering wheel. The safety rope provides safety protection for the user. The driver connects the safety rope before driving. If the driver accidentally falls into the water during driving, the disconnection of the safety rope will trigger the system to shut down. The instrument panel displays the status information of the whole ship and each major subsystem to the user.

[0019] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. A high-horsepower single-machine electric boat power system, characterized by: It includes BCU, low voltage system, battery system, outboard motor system, HMI system and communication network; the BCU, low voltage system, battery system, outboard motor system and HMI system are all connected through the communication network; the outboard motor system includes a propulsion motor, MCUT, steering motor, MCUS, tilting motor, reducer, propeller and cooling system; the propulsion motor is powered by a high voltage battery and controlled by the MCUT to output the propulsion power to the reducer; the MCUT receives the control command of the BCU to control the propulsion motor; the steering motor is controlled by the MCUS to realize the steering of the outboard motor, thereby realizing the steering control of the whole ship; the MCUS receives the control command of the BCU to control the steering motor; the tilting motor is controlled by the BCU to realize the tilting of the outboard motor; the reducer transmits the power of the propulsion motor to the propeller after gear speed change; The propeller rotates to generate thrust, realizing propulsion control of the entire ship; the cooling system receives BCU control instructions to provide heat dissipation for the propulsion motor and MCUT.

2. The power system according to claim 1, characterized in that: The low-voltage system includes a low-voltage battery and a low-voltage distribution box; the low-voltage battery supplies power to the low-voltage electrical appliances of the entire ship; the BCU realizes low-voltage power on and off control of each major subsystem by controlling the power switches of the battery system, outboard motor system and HMI system in the low-voltage distribution box; the BCU communicates with each major subsystem through the communication network, obtains the relevant status of each major subsystem, and performs relevant control on each major subsystem.

3. The power system according to claim 1, characterized in that: The battery system includes a high-voltage battery, a BMS, a high-voltage distribution box, a DCDC12, a DCDC24 and a cooling system; the high-voltage battery provides power for the propulsion motor and provides input for the DCDC12 and DCDC24; the BMS monitors and manages the high-voltage battery, feeds back the relevant status of the high-voltage battery to the BCU, and receives control instructions from the BCU to control the high-voltage distribution box; the high-voltage distribution box receives control instructions from the BMS to control related relays to achieve high-voltage power on and off control; DCDC12 receives control instructions from the BCU to power the lifting motor and provide customers with a 12V electrical appliance interface; DCDC24 receives control instructions from the BCU to charge the low-voltage battery and provide customers with a 24V electrical appliance interface; the cooling system receives control instructions from the BCU to provide heat dissipation for the high-voltage battery, DCDC12 and DCDC24.

4. The power system according to claim 1, characterized in that: The HMI system includes instruments, handles, steering wheels, keys and safety ropes. Users start and shut down the entire power system with the key. Users control the forward and backward propulsion and lifting and lowering of the outboard motor with the handle. Users control the left and right steering of the outboard motor with the steering wheel. The safety rope provides safety protection for users. The driver connects the safety rope before driving. If the driver accidentally falls into the water during driving, the disconnection of the safety rope will trigger the system shutdown. The instrument displays the status information of the entire ship and each major subsystem to the user.

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