A solar power generation system for an electric ship and an electric ship
By installing flexible solar panels and cleaning units on the retractable canopy of electric vessels, the problems of short range and insufficient charging facilities of electric vessels have been solved, realizing the effect of charging while sailing and charging while docked, thus improving power generation efficiency and range.
Patent Information
- Application Number
- CN202522234155.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-22
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-22
AI Technical Summary
Electric ships face problems such as short driving range, insufficient charging facilities, limited deployment of traditional solar panels, and conflict with the structure of retractable canopies.
Flexible solar panels are installed on the retractable canopy of the electric vessel, along with a cleaning unit, to generate electricity using the area of the canopy when it is extended, while the energy is managed and stored through an energy management unit.
It significantly increases the range of electric boats, enables charging while sailing, keeps solar panels clean, has high power generation efficiency, and does not affect the retractable and foldable function of the canopy.
Smart Images

Figure CN224935606U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electric ship power technology, and more specifically, relates to a solar power generation system for electric ships and an electric ship. Background Technology
[0002] With increasing environmental protection requirements and the advancement of "dual-carbon" goals, electric vessels have become an important development direction for inland waterway transportation. However, electric vessels generally face problems such as short driving range, insufficient charging facilities, and long charging times while docked. Solar energy, as a clean energy source, has excellent application prospects, but the available space above the deck of electric vessels is limited, restricting the deployment of traditional solar panels. Furthermore, the deployment of traditional solar panels conflicts structurally with the retractable canopies of electric vessels, especially inland cargo ships. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a solar power generation system and an electric vessel for electric ships, thus solving the problem that traditional solar panels are difficult to apply to electric ships.
[0004] To achieve the above objectives, this utility model provides a solar power generation system for electric ships, comprising:
[0005] A flexible solar panel is installed on the upper surface of the retractable canopy of an electric vessel, and the flexible solar panel is electrically connected to the power management unit of the electric vessel.
[0006] A cleaning unit, installed on an electric vessel, is capable of cleaning the upper surface of the flexible solar panel.
[0007] Optionally, the upper surface of the flexible solar panel is provided with a transparent protective layer.
[0008] Optionally, the retractable awning includes a track, a support frame, a canopy, and a driving mechanism. The track is mounted on an electric vessel. Multiple support frames are movably mounted above the track along its length. The canopy is mounted on the upper side of the support frames and connected to them. The driving mechanism is used to drive the support frames to move along the track.
[0009] Optionally, the cleaning unit includes a spray head connected above the support frame located at the front end in the unfolding direction via a bracket, and the spray head is used to spray cleaning liquid toward the upper surface of the flexible solar panel.
[0010] Optionally, the power management unit includes an energy storage battery pack.
[0011] Optionally, the power management unit further includes a combiner box and a solar power controller. The multiple flexible solar panels are connected to the solar power controller via the combiner box, and the solar power controller is capable of stabilizing the power generated by the flexible solar panels.
[0012] Optionally, the power management unit further includes an inverter connected to the energy storage battery pack.
[0013] Optionally, the inverter is connected to the electric propulsion system of an electric ship.
[0014] The present invention also provides an electric vessel, including the above-described solar power generation system for electric vessels.
[0015] Optionally, the electric vessel is equipped with a shore power charging interface.
[0016] This utility model provides a solar power generation system for electric ships and an electric ship. Its advantages are as follows: The solar power generation system for electric ships utilizes flexible solar panels installed on the retractable canopy of the electric ship. This fully utilizes the large area of the canopy roof when unfolded, converting solar energy into electrical energy without affecting the original sunshade and rain protection functions of the retractable canopy. This significantly increases the range of the electric ship, achieving the effect of charging while sailing and charging while docked, without affecting the retraction and folding of the retractable canopy. Furthermore, a cleaning unit is provided to clean the flexible solar panels, keeping them clean and ensuring their power generation efficiency.
[0017] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description
[0018] 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.
[0019] Figure 1 A schematic diagram of a solar power generation system for electric ships according to an embodiment of the present invention is shown.
[0020] Figure 2 It shows Figure 1 A magnified view of a portion of the image.
[0021] Figure 3 A side view schematic diagram of a solar power generation system for electric ships according to an embodiment of the present invention is shown.
[0022] Figure 4 A top view schematic diagram of a solar power generation system for electric ships according to an embodiment of the present invention is shown.
[0023] Figure 5 A schematic diagram of the retractable canopy of an electric vessel in a retracted state according to an embodiment of the present invention is shown.
[0024] Figure 6 A schematic diagram of the retractable canopy of an electric vessel in the deployed state according to an embodiment of the present invention is shown.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Flexible solar panel; 2. Retractable awning; 3. Support frame; 4. Rollers; 5. Energy storage battery pack; 6. Solar power generation controller; 7. Inverter; 8. Electric propulsion system; 9. Power management unit. Detailed Implementation
[0027] 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.
[0028] like Figure 1 and Figure 2 As shown, this utility model provides a solar power generation system for electric ships, comprising:
[0029] Flexible solar panel 1 is installed on the upper surface of the retractable canopy 2 of the electric vessel, and the flexible solar panel 1 is electrically connected to the power management unit 9 of the electric vessel.
[0030] A cleaning unit is installed on the electric vessel and is capable of cleaning the upper surface of the flexible solar panel 1.
[0031] Specifically, to address the problem that traditional solar panels are difficult to apply to electric ships in the prior art, the solar power generation system for electric ships provided by this utility model utilizes flexible solar panels 1, which are installed on the retractable canopy 2 of the electric ship. This fully utilizes the large area of the canopy roof when the retractable canopy 2 is unfolded, converting solar energy into electrical energy without affecting the original sunshade and rain protection functions of the retractable canopy 2, significantly increasing the range of the electric ship, and achieving the effect of charging while sailing and charging while docked, without affecting the retraction and folding of the retractable canopy 2; in addition, a cleaning unit is also provided to clean the flexible solar panels 1, keeping them clean and ensuring their power generation efficiency.
[0032] Furthermore, several flexible solar panels 1 can be connected in parallel and / or series to form a flexible solar array. The overall shape and size of the array match the unfolded area of the retractable awning 2. The flexible solar panels 1 can be directly attached to the upper surface of the awning fabric of the retractable awning 2, or can be embedded in the awning fabric.
[0033] Optionally, the upper surface of the flexible solar panel 1 is provided with a transparent protective layer.
[0034] Specifically, the protective layer protects the flexible solar panel 1 from wind, rain, cargo, and dust.
[0035] Furthermore, the protective layer can be made of transparent ETFE or PVF film.
[0036] Optionally, the retractable awning 2 includes a track, a support frame 3, a canopy, and a driving mechanism. The track is set on an electric vessel, and multiple support frames 3 are movably set above the track along its length. The canopy is set on the upper side of the support frames 3 and connected to them. The driving mechanism is used to drive the support frames 3 to move along the track.
[0037] Specifically, the retractable awning 2's awning support and retraction mechanism is the original retractable awning 2 structure of the electric ship, including the support frame 3 and the awning cloth, etc. The support frame 3 is used to open and tension the awning cloth and the flexible solar cell array laid on it when it is in the unfolded state, and to fold it up in an orderly manner when it is in the retracted state; the walking drive mechanism can adopt a structure of rollers 4 in conjunction with a drive motor and transmission components, which will not be described in detail here.
[0038] Optionally, the cleaning unit includes a spray head, which is connected above the support frame 3 located at the front end in the unfolding direction via a bracket. The spray head is used to spray cleaning liquid toward the upper surface of the flexible solar panel 1.
[0039] Specifically, the cleaning unit can use a spray head connected to the support frame 3 at the front end of the unfolding direction via a bracket. The spray head can spray cleaning liquid to clean the upper surface of the flexible solar panel 1 on the top of the retractable awning 2.
[0040] Furthermore, the cleaning unit can also employ a wiper or an automated robotic cleaning mechanism to periodically clean the surface of the flexible solar cell array.
[0041] Optionally, the power management unit 9 includes an energy storage battery pack 5.
[0042] Specifically, the energy storage battery pack 5 is an energy storage device for electric ships, used for storing electrical energy.
[0043] Optionally, the power management unit 9 also includes a combiner box and a solar power controller 6. Multiple flexible solar panels 1 are connected to the solar power controller 6 through the combiner box. The solar power controller 6 is capable of regulating the power generated by the flexible solar panels 1.
[0044] Specifically, the combiner box is installed on the support frame 3 of the retractable canopy 2 or on the nearby hull to collect the DC power generated by the flexible solar panel 1; the solar power controller 6 is connected to the combiner box to manage the power output by the flexible solar panel 1, such as voltage stabilization and overcharge / over-discharge protection; and the energy storage battery pack 5 is connected to the solar power controller 6 to store the power generated by the solar energy.
[0045] Optionally, the power management unit 9 also includes an inverter 7, which is connected to the energy storage battery pack 5.
[0046] Specifically, if the drive motor of the electric ship is an AC motor, then inverter 7 is required to convert DC power to AC power.
[0047] Optionally, the inverter 7 is connected to the electric propulsion system 8 of the electric ship.
[0048] Specifically, the electric propulsion system 8 is the power system of the electric ship. Its power input terminal is connected to the power management unit 9 and can use the power provided by the energy storage battery pack 5.
[0049] In one embodiment, if the flexible solar panel 1 is connected by a cable, the cable connecting each flexible solar panel 1 is a bend-resistant and highly flexible cable, and the wiring method adopts a serpentine wiring with reserved margin or a special elastic connector to ensure that the cable will not be pulled off, twisted off or excessively fatigued when the retractable awning 2 is repeatedly extended and retracted.
[0050] like Figure 5 and Figure 6As shown, the present invention also provides an electric vessel, including the above-described solar power generation system for electric vessels.
[0051] Optionally, electric vessels are equipped with shore power charging interfaces.
[0052] Specifically, the power management unit 9 can also be connected to the shore power charging interface to form a hybrid charging system.
[0053] In summary, this electric vessel, equipped with the aforementioned solar power generation system, efficiently utilizes space and significantly increases power generation. It transforms the previously overlooked, large surface area of the retractable canopy 2 into a power generation platform, greatly increasing the solar panel installation area without occupying any additional vessel space. The power generation far exceeds that of traditional fixed installations, effectively extending the vessel's range. The system is functionally integrated and does not interfere with each other, perfectly preserving all the original functions of the retractable canopy 2, such as sunshade, rain protection, and dust prevention, while adding power generation as an additional function. It boasts improved lightweighting and adaptability, employing flexible solar panels 1, which are lightweight and thin, allowing them to bend and retract along with the retractable canopy 2, with virtually no impact on the electric vessel's center of gravity, stability, or operating habits. It is energy-saving and emission-reducing, economically viable, utilizing free clean solar energy to reduce reliance on grid charging, saving operating costs, achieving zero-emission navigation, and demonstrating outstanding environmental benefits. Finally, it enhances the vessel's value, providing new technological highlights and market competitiveness for traditional electric vessels or converted vessels.
[0054] 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 solar power generation system for electric ships, characterized in that, include: A flexible solar panel is installed on the upper surface of the retractable canopy of an electric vessel, and the flexible solar panel is electrically connected to the power management unit of the electric vessel. A cleaning unit, installed on an electric vessel, is capable of cleaning the upper surface of the flexible solar panel.
2. The solar power generation system for electric ships according to claim 1, characterized in that, The upper surface of the flexible solar panel is provided with a transparent protective layer.
3. The solar power generation system for electric ships according to claim 1, characterized in that, The retractable awning includes a track, a support frame, a canopy, and a driving mechanism. The track is installed on an electric vessel. Multiple support frames are movably installed above the track along its length. The canopy is installed on the upper side of the support frames and connected to them. The driving mechanism is used to drive the support frames to move along the track.
4. The solar power generation system for electric ships according to claim 3, characterized in that, The cleaning unit includes a spray head, which is connected above the support frame located at the front end in the unfolding direction via a bracket. The spray head is used to spray cleaning liquid toward the upper surface of the flexible solar panel.
5. The solar power generation system for electric ships according to claim 1, characterized in that, The power management unit includes an energy storage battery pack.
6. The solar power generation system for electric ships according to claim 5, characterized in that, The power management unit also includes a combiner box and a solar power controller. Multiple flexible solar panels are connected to the solar power controller via the combiner box. The solar power controller can regulate the voltage of the power generated by the flexible solar panels.
7. The solar power generation system for electric ships according to claim 6, characterized in that, The power management unit also includes an inverter, which is connected to the energy storage battery pack.
8. The solar power generation system for electric ships according to claim 7, characterized in that, The inverter is connected to the electric propulsion system of the electric ship.
9. An electric vessel, characterized in that, Includes the solar power generation system for electric ships as described in any one of claims 1-8.
10. The electric vessel according to claim 9, characterized in that, The electric vessel is equipped with a shore power charging interface.
