A marine power storage and supply system and a ship

Abstract

The utility model provides a kind of marine power storage, power supply system and ship, belong to ship electric energy management technical field, marine power storage, power supply system includes: switching circuit and the first battery box, second battery box, third battery box, power generation component, first load and second load connected with switching circuit;Switching circuit is used to switch first working state, second working state, third working state and fourth working state.The system can realize the flexible switching of multiple working states by switching circuit, according to different use scene and demand, dynamically adjusts the connection relationship between battery box, load and power generation component, realizes the parallel operation of power supply and charging, optimizes the use order and load distribution of battery, improves the ship voyage mileage.

Description

Technical Field

[0001] This utility model belongs to the field of marine power management technology, and more specifically, relates to a marine power storage and power supply system and a ship. Background Technology

[0002] In today's globalized world, the shipping industry, as a crucial pillar of global trade, faces immense environmental pressures and energy challenges. Traditional ship propulsion systems rely primarily on fossil fuels, such as heavy oil and diesel, resulting in the emission of large amounts of greenhouse gases and harmful substances, severely impacting the atmospheric environment. As international organizations and other institutions increasingly strengthen regulations on ship emissions, governments and research institutions worldwide are actively exploring the application of clean energy in ships to achieve sustainable development in the shipping industry.

[0003] In recent years, with the rapid development of battery technology and the widespread application of renewable energy, more and more research and applications have begun to explore the introduction of battery energy storage systems and renewable energy power generation components (such as solar and wind power) into ship power systems. However, most existing marine energy storage and power supply systems lack flexible power distribution and management, making it difficult to achieve efficient power distribution and optimized management. They also cannot be flexibly adjusted according to different operating conditions and load demands, resulting in limitations on ship mileage and power consumption. Therefore, developing a new type of marine energy storage and power supply system can effectively solve the above problems, achieve flexible power distribution and management, and provide good adaptability to special ship operating conditions, which is of great significance for promoting the sustainable development of the shipbuilding industry. Utility Model Content

[0004] The purpose of this invention is to provide a marine energy storage and power supply system and a ship, which solves the problem of the lack of flexibility in power distribution and management of existing marine energy storage and power supply systems.

[0005] To achieve the above objectives, in a first aspect, this utility model provides a marine energy storage and power supply system, comprising: a switching circuit, and a first battery box, a second battery box, a third battery box, a power generation component, a first load, and a second load connected to the switching circuit;

[0006] The switching circuit is used to switch between the first working state, the second working state, the third working state, and the fourth working state;

[0007] The first operating state is configured as follows: the first battery box is connected to the first load path, the second battery box is connected to the second load path, and the power generation component is connected to the third battery box;

[0008] The second operating state is configured as follows: the second battery box is connected to the first load, the third battery box is connected to the first battery box, the second load is disconnected from the switching circuit, and the power generation component is disconnected from the switching circuit;

[0009] The third operating state is configured as follows: the second battery box is connected to the first load, the power generation component is connected to the third battery box, the first battery box is disconnected from the switching circuit, and the second load is disconnected from the switching circuit.

[0010] The fourth operating state is configured as follows: the first battery box is connected to the first load, the third battery box is connected to the second battery box, the second load is disconnected from the switching circuit, and the power generation component is disconnected from the switching circuit.

[0011] Optionally, the switching circuit includes: a first main line, a second main line, a third main line, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch, an eighth switch, a ninth switch, and a tenth switch. The first battery box is connected to the first main line via the first switch, the first battery box is connected to the second main line via the second switch, the first load is connected to the first main line via the third switch, the second battery box is connected to the first main line via the fourth switch, the second battery box is connected to the second main line via the fifth switch, the second load is connected to the second main line via the sixth switch, the third battery box is connected to the third main line via the seventh switch, the third main line is connected to the first main line via the eighth switch, the third main line is connected to the second main line via the ninth switch, and the power generation component is connected to the third main line via the tenth switch.

[0012] Optionally, the first operating state is configured such that the first switch, the third switch, the fifth switch, the sixth switch, the seventh switch, and the tenth switch are all closed, and the second switch, the fourth switch, the eighth switch, and the ninth switch are all open.

[0013] Optionally, the second operating state is configured such that the second switch, the third switch, the fourth switch, the seventh switch, and the ninth switch are all closed, and the first switch, the fifth switch, the sixth switch, the eighth switch, and the tenth switch are all open.

[0014] Optionally, the third operating state is configured such that the third switch, the fourth switch, the seventh switch, and the tenth switch are all closed, and the first switch, the second switch, the fifth switch, the sixth switch, the eighth switch, and the ninth switch are all open.

[0015] Optionally, the fourth operating state is configured such that the first switch, the third switch, the fifth switch, the seventh switch, and the ninth switch are all closed, and the second switch, the fourth switch, the sixth switch, the eighth switch, and the tenth switch are all open.

[0016] Optionally, the first battery box is provided with a first charge and discharge management module, which is used to switch the charge and discharge state of the first battery box;

[0017] The second battery box is equipped with a second charge and discharge management module, which is used to switch the charge and discharge states of the second battery box.

[0018] The third battery box is equipped with a third charge / discharge management module, which is used to switch the charge / discharge state of the third battery box.

[0019] Optionally, the power generation component is a photovoltaic panel.

[0020] Optionally, the first battery box includes a battery body, which is a lithium battery;

[0021] The second battery box includes a second battery body, which is a lithium battery;

[0022] The third battery box includes a battery body three, which is a lithium battery.

[0023] Secondly, this utility model provides a ship, comprising:

[0024] The marine energy storage and power supply system described in the first aspect.

[0025] The beneficial effects of this utility model are as follows: It provides a marine energy storage and power supply system, including: a switching circuit and a first battery box, a second battery box, a third battery box, a power generation component, a first load, and a second load connected to the switching circuit; the switching circuit is used to switch between a first operating state, a second operating state, a third operating state, and a fourth operating state; the first operating state is configured as follows: the first battery box is connected to the first load, the second battery box is connected to the second load, and the power generation component is connected to the third battery box; the second operating state is configured as follows: the second battery box is connected to the first load, the third battery box is connected to the first battery box, the second load is disconnected from the switching circuit, and the power generation component is disconnected from the switching circuit; the third operating state is configured as follows: the second battery box is connected to the first load, the power generation component is connected to the third battery box, the first battery box is disconnected from the switching circuit, and the second load is disconnected from the switching circuit; the fourth operating state is configured as follows: the first battery box is connected to the first load, the third battery box is connected to the second battery box, the second load is disconnected from the switching circuit, and the power generation component is disconnected from the switching circuit. This system can flexibly switch between multiple working states through switching circuits. It can dynamically adjust the connection relationship between the battery box, load and power generation components according to different usage scenarios and needs, realize the parallel operation of power supply and charging, optimize the battery usage sequence and load distribution, and improve the ship's sailing range.

[0026] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0027] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0028] Figure 1 One of the schematic structural diagrams of a marine energy storage and power supply system according to Embodiment 1 of the present invention is shown.

[0029] Figure 2 One of the schematic structural diagrams of a marine energy storage and power supply system according to Embodiment 1 of the present invention is shown, showing the system switching to the first working state.

[0030] Figure 3 One of the schematic structural diagrams of a marine energy storage and power supply system switching to a second working state according to Embodiment 1 of the present invention is shown.

[0031] Figure 4 One of the schematic structural diagrams of a marine energy storage and power supply system switching to a third working state according to Embodiment 1 of this utility model is shown.

[0032] Figure 5One of the schematic structural diagrams of a marine energy storage and power supply system according to Embodiment 1 of the present invention is shown, showing the system switching to the fourth working state.

[0033] Figure 6 The second schematic structural diagram of a marine energy storage and power supply system according to Embodiment 1 of this utility model is shown.

[0034] Figure 7 The second schematic structural diagram shows the switching of the marine energy storage and power supply system to the first working state according to Embodiment 1 of this utility model.

[0035] Figure 8 The second schematic structural diagram shows the switching of a marine energy storage and power supply system to a second working state according to Embodiment 1 of this utility model.

[0036] Figure 9 The second schematic structural diagram shows the switching of the marine energy storage and power supply system to the third working state according to Embodiment 1 of this utility model.

[0037] Figure 10 The second schematic structural diagram shows the switching of the marine energy storage and power supply system to the fourth working state according to Embodiment 1 of this utility model.

[0038] Explanation of reference numerals in the attached figures:

[0039] 1. Switching circuit; 2. First battery box; 3. Second battery box; 4. Third battery box; 5. Power generation component; 6. First load; 7. Second load; L1. First trunk line; L2. Second trunk line; L3. Third trunk line; K1. First switch; K2. Second switch; K3. Third switch; K4. Fourth switch; K5. Fifth switch; K6. Sixth switch; K7. Seventh switch; K8. Eighth switch; K9. Ninth switch; K10. Tenth switch. Detailed Implementation

[0040] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0041] Example 1

[0042] This embodiment provides a marine energy storage and power supply system, such as Figure 1 As shown, it includes: a switching circuit 1, and a first battery box 2, a second battery box 3, a third battery box 4, a power generation component 5, a first load 6, and a second load 7 connected to the switching circuit 1.

[0043] like Figure 2-5 As shown, the switching circuit 1 is used to switch between the first working state, the second working state, the third working state and the fourth working state;

[0044] The first working state is configured as follows: the first battery box 2 is connected to the first load 6, the second battery box 3 is connected to the second load 7, and the power generation component 5 is connected to the third battery box 4.

[0045] The second working state is configured as follows: the second battery box 3 is connected to the first load 6, the third battery box 4 is connected to the first battery box 2, the second load 7 is disconnected from the switch circuit 1, and the power generation component 5 is disconnected from the switch circuit 1.

[0046] The third working state is configured as follows: the second battery box 3 is connected to the first load 6, the power generation component 5 is connected to the third battery box 4, the first battery box 2 is disconnected from the switch circuit 1, and the second load 7 is disconnected from the switch circuit 1.

[0047] The fourth operating state is configured as follows: the first battery box 2 is connected to the first load 6, the third battery box 4 is connected to the second battery box 3, the second load 7 is disconnected from the switch circuit 1, and the power generation component 5 is disconnected from the switch circuit 1.

[0048] In this embodiment, the first load 6 is a load that the ship needs to use for a long time, and the second load 7 is a load that the ship uses intermittently. The usage method and working principle of this marine energy storage and power supply system are as follows:

[0049] When both the first battery box 2 and the second battery box 3 have sufficient power, the switching circuit 1 is switched to the first working state, and both the first load 6 and the second load 7 are working. The first battery box 2 supplies power to the first load 6, the second battery box 3 supplies power to the second load 7, and the power generation component 5 charges the third battery box 4.

[0050] When the first battery box 2 is low on power and the second battery box 3 and the third battery box 4 are fully charged, the switch circuit 1 is switched to the second working state, the second load 7 is suspended, the second battery box 3 supplies power to the first load 6, and the third battery box 4 charges the first battery box 2.

[0051] When the first battery box 2 and the third battery box 4 are both underpowered, and the second battery box 3 is fully powered, the switch circuit 1 is switched to the third working state, the second load 7 is suspended, the second battery box 3 supplies power to the first load 6, and the power generation component 5 charges the third battery box 4.

[0052] When the first battery box 2 and the third battery box 4 have sufficient power, and the second battery box 3 has insufficient power, the switch circuit 1 is switched to the fourth working state, the second load 7 is suspended, the first battery box 2 supplies power to the first load 6, and the third battery box 4 charges the second battery box 3.

[0053] Specifically, the system can flexibly switch between multiple working states through the switching circuit 1. According to different usage scenarios and needs, it can dynamically adjust the connection relationship between the battery box, load and power generation component 5, realize the parallel operation of power supply and charging, optimize the battery usage sequence and load distribution, and improve the ship's sailing range.

[0054] Optionally, such as Figure 6 As shown, the switching circuit 1 includes: a first main line L1, a second main line L2, a third main line L3, a first switch K1, a second switch K2, a third switch K3, a fourth switch K4, a fifth switch K5, a sixth switch K6, a seventh switch K7, an eighth switch K8, a ninth switch K9, and a tenth switch K10. The first battery box 2 is connected to the first main line L1 via the first switch K1, and the first battery box 2 is connected to the second main line L2 via the second switch K2. The first load 6 is connected to the first main line L1 via the third switch K3. 1. The second battery box 3 is connected to the first main line L1 via the fourth switch K4. The second battery box 3 is connected to the second main line L2 via the fifth switch K5. The second load 7 is connected to the second main line L2 via the sixth switch K6. The third battery box 4 is connected to the third main line L3 via the seventh switch K7. The third main line L3 is connected to the first main line L1 via the eighth switch K8. The third main line L3 is connected to the second main line L2 via the ninth switch K9. The power generation component 5 is connected to the third main line L3 via the tenth switch K10.

[0055] Specifically, the system achieves switching between various connection methods and operating states through multiple switches and multiple trunk lines. Each battery box and load is connected to the trunk line via an independent switch, enabling precise control of current flow. Different operating states are achieved through specific switch combinations, a design that allows the system to quickly switch to the optimal operating mode according to different needs.

[0056] In this embodiment, as Figure 7 As shown, the first working state is configured as follows: the first switch K1, the third switch K3, the fifth switch K5, the sixth switch K6, the seventh switch K7 and the tenth switch K10 are all closed, and the second switch K2, the fourth switch K4, the eighth switch K8 and the ninth switch K9 are all open.

[0057] like Figure 8As shown, the second working state is configured as follows: the second switch K2, the third switch K3, the fourth switch K4, the seventh switch K7 and the ninth switch K9 are all closed, and the first switch K1, the fifth switch K5, the sixth switch K6, the eighth switch K8 and the tenth switch K10 are all open.

[0058] like Figure 9 As shown, the third working state is configured as follows: the third switch K3, the fourth switch K4, the seventh switch K7, and the tenth switch K10 are all closed, and the first switch K1, the second switch K2, the fifth switch K5, the sixth switch K6, the eighth switch K8, and the ninth switch K9 are all open.

[0059] like Figure 10 As shown, the fourth working state is configured as follows: the first switch K1, the third switch K3, the fifth switch K5, the seventh switch K7 and the ninth switch K9 are all closed, and the second switch K2, the fourth switch K4, the sixth switch K6, the eighth switch K8 and the tenth switch K10 are all open.

[0060] Optionally, the first battery box 2 is provided with a first charge and discharge management module, which is used to switch the charge and discharge states of the first battery box 2.

[0061] The second battery box 3 is equipped with a second charge and discharge management module, which is used to switch the charge and discharge states of the second battery box 3.

[0062] The third battery box 4 is equipped with a third charge and discharge management module, which is used to switch the charge and discharge states of the third battery box 4.

[0063] Specifically, the first battery box 2, the second battery box 3, and the third battery box 4 are respectively equipped with a first charge / discharge management module, a second charge / discharge management module, and a third charge / discharge management module. These modules can dynamically adjust the charge / discharge state of the battery according to the battery's capacity, load requirements, and the output of the power generation component 5, which can effectively extend the battery's lifespan and improve the system's stability and reliability. The first, second, and third charge / discharge management modules are all existing products, and their specific structures will not be described in detail.

[0064] Optionally, the power generation component 5 is a photovoltaic panel.

[0065] Specifically, power generation component 5 uses photovoltaic panels to charge the battery boxes using solar energy. The introduction of this clean energy makes the system more environmentally friendly and sustainable. By combining and switching multiple battery boxes, efficient energy storage and distribution can be achieved, ensuring a stable power supply for the ship under different operating conditions.

[0066] Optionally, the first battery box 2 includes a battery body, which is a lithium battery;

[0067] The second battery box 3 includes a second battery body, which is a lithium battery;

[0068] The third battery box 4 includes a battery body 3, which is a lithium battery.

[0069] Example 2

[0070] This embodiment provides a ship, including: the marine energy storage and power supply system of Embodiment 1.

[0071] Specifically, the vessel is equipped with a marine energy storage and power supply system. This system can flexibly switch between multiple working states through a switching circuit 1. According to different usage scenarios and needs, it can dynamically adjust the connection relationship between the battery box, load and power generation components 5, realize the parallel operation of power supply and charging, optimize the battery usage sequence and load distribution, and improve the vessel's sailing range.

[0072] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A marine energy storage and power supply system, characterized in that, include: Switching circuit (1), and a first battery box (2), a second battery box (3), a third battery box (4), a power generation component (5), a first load (6), and a second load (7) connected to the switching circuit (1); The switching circuit (1) is used to switch between the first working state, the second working state, the third working state and the fourth working state; The first working state is configured as follows: the first battery box (2) is connected to the first load (6), the second battery box (3) is connected to the second load (7), and the power generation component (5) is connected to the third battery box (4); The second working state is configured as follows: the second battery box (3) is connected to the first load (6), the third battery box (4) is connected to the first battery box (2), the second load (7) is disconnected from the switch circuit (1), and the power generation component (5) is disconnected from the switch circuit (1); The third working state is configured as follows: the second battery box (3) is connected to the first load (6), the power generation component (5) is connected to the third battery box (4), the first battery box (2) is disconnected from the switch circuit (1), and the second load (7) is disconnected from the switch circuit (1). The fourth operating state is configured as follows: the first battery box (2) is connected to the first load (6), the third battery box (4) is connected to the second battery box (3), the second load (7) is disconnected from the switch circuit (1), and the power generation component (5) is disconnected from the switch circuit (1).

2. The marine energy storage and power supply system according to claim 1, characterized in that, The switching circuit (1) includes: a first main line (L1), a second main line (L2), a third main line (L3), a first switch (K1), a second switch (K2), a third switch (K3), a fourth switch (K4), a fifth switch (K5), a sixth switch (K6), a seventh switch (K7), an eighth switch (K8), a ninth switch (K9), and a tenth switch (K10). The first battery box (2) is connected to the first main line (L1) via the first switch (K1), and the first battery box (2) is connected to the second main line (L2) via the second switch (K2). The first load (6) is connected to the first main line (L1) via the third switch (K3). The second battery box... (3) The second battery box (3) is connected to the first main line (L1) via the fourth switch (K4), the second battery box (3) is connected to the second main line (L2) via the fifth switch (K5), the second load (7) is connected to the second main line (L2) via the sixth switch (K6), the third battery box (4) is connected to the third main line (L3) via the seventh switch (K7), the third main line (L3) is connected to the first main line (L1) via the eighth switch (K8), the third main line (L3) is connected to the second main line (L2) via the ninth switch (K9), and the power generation component (5) is connected to the third main line (L3) via the tenth switch (K10).

3. The marine energy storage and power supply system according to claim 2, characterized in that, The first working state is configured as follows: the first switch (K1), the third switch (K3), the fifth switch (K5), the sixth switch (K6), the seventh switch (K7), and the tenth switch (K10) are all closed, and the second switch (K2), the fourth switch (K4), the eighth switch (K8), and the ninth switch (K9) are all open.

4. The marine energy storage and power supply system according to claim 2, characterized in that, The second operating state is configured as follows: the second switch (K2), the third switch (K3), the fourth switch (K4), the seventh switch (K7), and the ninth switch (K9) are all closed, and the first switch (K1), the fifth switch (K5), the sixth switch (K6), the eighth switch (K8), and the tenth switch (K10) are all open.

5. The marine energy storage and power supply system according to claim 2, characterized in that, The third working state is configured as follows: the third switch (K3), the fourth switch (K4), the seventh switch (K7), and the tenth switch (K10) are all closed, and the first switch (K1), the second switch (K2), the fifth switch (K5), the sixth switch (K6), the eighth switch (K8), and the ninth switch (K9) are all open.

6. The marine energy storage and power supply system according to claim 2, characterized in that, The fourth operating state is configured as follows: the first switch (K1), the third switch (K3), the fifth switch (K5), the seventh switch (K7), and the ninth switch (K9) are all closed, and the second switch (K2), the fourth switch (K4), the sixth switch (K6), the eighth switch (K8), and the tenth switch (K10) are all open.

7. The marine energy storage and power supply system according to claim 1, characterized in that, The first battery box (2) is provided with a first charge and discharge management module, which is used to switch the charge and discharge state of the first battery box (2); The second battery box (3) is provided with a second charge and discharge management module, which is used to switch the charge and discharge state of the second battery box (3); The third battery box (4) is provided with a third charge and discharge management module, which is used to switch the charge and discharge state of the third battery box (4).

8. The marine energy storage and power supply system according to claim 1, characterized in that, The power generation component (5) is a photovoltaic power generation panel.

9. The marine energy storage and power supply system according to claim 1, characterized in that, The first battery box (2) includes a battery body, which is a lithium battery; The second battery box (3) includes a second battery body, which is a lithium battery; The third battery box (4) includes a battery body three, which is a lithium battery.

10. A ship, characterized in that, include: The marine energy storage and power supply system according to any one of claims 1-9.

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