Comprehensive power generation auxiliary device of fuel ship

Abstract

The utility model provides a comprehensive power generation auxiliary device of a fuel ship, which comprises a photovoltaic assembly module, a fuel cell module, an energy storage system, an energy management system, an energy conversion device and an alternating current bus, and the photovoltaic assembly module, the fuel cell module and the energy storage system are all connected and input into a ship power grid through the energy conversion device and the alternating current bus; and the energy management system is used for reasonably distributing energy output of the photovoltaic assembly module, the fuel cell module and the energy storage system. According to the utility model, the instability of single renewable energy power generation is reduced through photovoltaic and hydrogen fuel cell comprehensive power generation, the energy storage system is added to ensure that the output of the total power of the auxiliary device is stable when the photovoltaic power is low, and the energy storage system is charged to achieve the effect of peak load shifting when the device outputs high power; meanwhile, the energy management system is adopted to reasonably deploy all the modules to achieve the optimal effect, and finally the modules are connected into a ship power grid to supply power to the ship.

Description

Technical Field

[0001] The utility model relates to the field of new energy power generation, and more specifically, to a comprehensive power generation auxiliary device for a fuel oil ship. Background Art

[0002] The traditional shipping industry mainly uses a single fuel to provide energy when using fuel ships. Therefore, the development of new energy is very important for the shipping industry. Summary of the invention

[0003] The utility model aims to solve the technical problems existing in the prior art and provide a comprehensive power generation auxiliary device for fuel oil ships, aiming to provide an environmentally friendly and efficient ship auxiliary energy solution. The system combines photovoltaic power generation and fuel cell technology to provide a variety of energy sources for fuel oil ships, thereby reducing carbon emissions, saving energy and reducing emissions, and reducing dependence on traditional fossil fuels.

[0004] The utility model provides a fuel ship comprehensive power generation auxiliary device, including a photovoltaic component module, a fuel cell module, an energy storage system, an energy management system, an energy conversion device and an AC bus. The photovoltaic component module, the fuel cell module and the energy storage system are all connected to the AC bus through the energy conversion device, and the electric energy is input into the ship power grid through the AC bus.

[0005] The energy management system is used to collect the electric energy information of the photovoltaic component modules, fuel cell modules and energy storage system, and reasonably allocate the energy output of the photovoltaic component modules, fuel cell modules and energy storage system.

[0006] On the basis of the above technical solution, the present invention can also make the following improvements.

[0007] Optionally, the energy conversion device includes a bidirectional DC / AC converter, a unidirectional DC / DC converter, a unidirectional DC / AC converter and an inverter; the photovoltaic module is connected to the AC bus through the unidirectional DC / DC converter and the inverter; the fuel cell module is connected to the AC bus through the unidirectional DC / DC converter and the unidirectional DC / AC converter; and the energy storage system is connected to the AC bus through the bidirectional DC / AC converter.

[0008] Optionally, the fuel cell module includes a hydrogen storage tank and a hydrogen fuel cell.

[0009] Optionally, the energy management system includes a photovoltaic controller, a hydrogen fuel cell controller and a battery manager, a master controller, and switches for controlling the on / off of the circuits between the photovoltaic controller and the AC bus, between the hydrogen fuel cell controller and the AC bus, and between the battery manager and the AC bus, and the control switches are connected to the master controller;

[0010] The photovoltaic controller, hydrogen fuel cell controller and battery manager are used to collect power information of the photovoltaic component module, fuel cell module and energy storage system respectively, and transmit the power information to the main controller;

[0011] The general control is used to control the switch between the photovoltaic controller and the AC bus, the switch between the hydrogen fuel cell controller and the AC bus, and the switch between the battery manager and the AC bus to control the on and off of the circuits according to the power information of the photovoltaic component module, the fuel cell module and the energy storage system.

[0012] The utility model provides a fuel ship integrated power generation auxiliary device, which reduces the instability of single renewable energy power generation through integrated power generation of photovoltaic and hydrogen fuel cells, adds an energy storage system to ensure that the output of the total power of the auxiliary device is stable when the photovoltaic power is low, and charges the energy storage system when the device has a higher power output to achieve the effect of peak shaving and valley filling; at the same time, an energy management system is used to reasonably allocate each module to achieve the best effect, and finally connects to the ship's power grid to power the ship. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a comprehensive power generation auxiliary device for a fuel oil ship provided in the first embodiment of the utility model;

[0014] Figure 2 A schematic structural diagram of a comprehensive power generation auxiliary device for a fuel oil ship provided in the second embodiment of the utility model;

[0015] Figure 3 A schematic structural diagram of a comprehensive power generation auxiliary device for a fuel ship provided in the third embodiment of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. In addition, the technical features in each embodiment or a single embodiment provided by the utility model can be combined with each other arbitrarily to form a feasible technical solution. This combination is not subject to the constraints of the sequence of steps and / or the structural composition mode, but must be based on the ability of ordinary technicians in this field to achieve. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that this combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0017] Figure 1 A comprehensive power generation auxiliary device for a fuel ship provided in the first embodiment of the utility model includes a photovoltaic component module, a fuel cell module, an energy storage system, an energy management system, an energy conversion device and an AC bus. The photovoltaic component module, the fuel cell module and the energy storage system are all connected to the AC bus through the energy conversion device, and the electric energy is input into the ship's power grid through the AC bus.

[0018] The energy management system is used to collect the electric energy information of the photovoltaic component modules, fuel cell modules and energy storage system, and reasonably allocate the energy output of the photovoltaic component modules, fuel cell modules and energy storage system.

[0019] It is understandable that the comprehensive power generation auxiliary device of the fuel ship of the utility model mainly includes a photovoltaic power generation device, a Raoliao battery system, an energy storage system and an energy management system. Among them, the photovoltaic power generation device: photovoltaic panels are arranged on the deck of the fuel ship or other suitable locations to capture solar energy and convert it into electrical energy. The photovoltaic power generation system has high efficiency and reliability, and can provide a stable power supply for the ship during the day and when there is sufficient sunshine. Fuel cell system: The fuel cell system is integrated into the energy system of the fuel ship to provide additional power to the ship when needed. The fuel cell module includes a hydrogen storage tank and a hydrogen fuel cell, which uses the chemical reaction of hydrogen and oxygen to generate electricity. The emission is only water vapor and no harmful gases are produced. Energy storage system: Advanced energy storage technology, such as lithium-ion battery packs, is introduced to store excess electrical energy to provide electrical energy support when photovoltaic and fuel cell power generation is insufficient. The energy storage system realizes efficient storage and release of electrical energy through intelligent control, ensuring that the ship has a stable power supply under various circumstances. Energy management system: The equipment is equipped with an advanced energy management system to monitor and optimize the production capacity of photovoltaic power generation, fuel cells and energy storage systems, and match them with the actual energy needs of the ship. The system can automatically switch and adjust energy sources to maximize energy efficiency.

[0020] See also Figure 2 The energy conversion device includes a bidirectional DC / AC converter, a unidirectional DC / DC converter, a unidirectional DC / AC converter and an inverter. The photovoltaic component module is connected to the AC bus through the unidirectional DC / DC converter and the inverter. The fuel cell module is connected to the AC bus through the unidirectional DC / DC converter and the unidirectional DC / AC converter. The energy storage system is connected to the AC bus through the bidirectional DC / AC converter.

[0021] See also Figure 3The energy management system includes a photovoltaic controller, a hydrogen fuel cell controller and a battery manager, a main controller, and switches for controlling the on / off of control lines between the photovoltaic controller and the AC bus, the hydrogen fuel cell controller and the AC bus, and the battery manager and the AC bus. The control switches are connected to the main controller.

[0022] The photovoltaic controller, hydrogen fuel cell controller and battery manager are respectively used to collect the power information of the photovoltaic component module, the fuel cell module and the energy storage system, and transmit the power information to the main controller; the main controller is used to control the switch between the photovoltaic controller and the AC bus, the switch between the hydrogen fuel cell controller and the AC bus, and the switch between the battery manager and the AC bus to control the on and off of the circuit according to the power information of the photovoltaic component module, the fuel cell module and the energy storage system.

[0023] The utility model embodiment provides a comprehensive power generation auxiliary device for fuel ships. By utilizing renewable energy sources such as solar energy and fuel cells, the system can significantly reduce carbon emissions and pollutant releases from fuel ships, and reduce the impact on marine ecology and air quality. The integration of multiple energy technologies enables ships to obtain electricity from multiple sources, reducing dependence on a single energy source and enhancing the resilience and reliability of energy supply. The design of the system enables ships to maximize the use of energy generated from natural resources when sailing, thereby reducing fuel consumption and carbon emissions, and contributing to the reduction of global energy consumption. The system demonstrates the integrated application of solar energy and fuel cell technologies, provides innovative solutions for the shipping industry, and sets an example in the field of energy diversity and green shipping.

[0024] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0025] Although the preferred embodiments of the utility model have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A comprehensive power generation auxiliary device for a fuel oil ship, characterized in that: It includes a photovoltaic module, a fuel cell module, an energy storage system, an energy management system, an energy conversion device and an AC bus. The photovoltaic module, the fuel cell module and the energy storage system are connected to the AC bus through the energy conversion device, and the electric energy is input into the ship power grid through the AC bus. The energy management system is used to collect the electric energy information of the photovoltaic module, the fuel cell module and the energy storage system, and reasonably allocate the energy output of the photovoltaic module, the fuel cell module and the energy storage system; The energy management system includes a photovoltaic controller, a hydrogen fuel cell controller, a battery manager, a master controller, and switches for controlling the on / off of control lines between the photovoltaic controller and the AC bus, between the hydrogen fuel cell controller and the AC bus, and between the battery manager and the AC bus. The control switches are connected to the master controller. The photovoltaic controller, hydrogen fuel cell controller and battery manager are used to collect power information of the photovoltaic component module, fuel cell module and energy storage system respectively, and transmit the power information to the main controller; The master controller is used to control the switch between the photovoltaic controller and the AC bus, the switch between the hydrogen fuel cell controller and the AC bus, and the switch between the battery manager and the AC bus to control the on and off of the circuits according to the power information of the photovoltaic component module, the fuel cell module and the energy storage system.

2. The comprehensive power generation auxiliary device for fuel oil ship according to claim 1 is characterized in that: The energy conversion device includes a bidirectional DC / AC converter, a unidirectional DC / DC converter, a unidirectional DC / AC converter and an inverter. The photovoltaic component module is connected to the AC bus through the unidirectional DC / DC converter and the inverter. The fuel cell module is connected to the AC bus through the unidirectional DC / DC converter and the unidirectional DC / AC converter. The energy storage system is connected to the AC bus through the bidirectional DC / AC converter.

3. The comprehensive power generation auxiliary device for fuel oil ship according to claim 1 is characterized in that: The fuel cell module includes a hydrogen storage tank and a hydrogen fuel cell.

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