CN115173474A - Power transmission type freight container power generation system and freight container ship - Google Patents

Power transmission type freight container power generation system and freight container ship Download PDF

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Publication number
CN115173474A
CN115173474A CN202210924664.1A CN202210924664A CN115173474A CN 115173474 A CN115173474 A CN 115173474A CN 202210924664 A CN202210924664 A CN 202210924664A CN 115173474 A CN115173474 A CN 115173474A
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CN
China
Prior art keywords
freight container
power generation
power transmission
grid
photovoltaic
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Pending
Application number
CN202210924664.1A
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Chinese (zh)
Inventor
范昌明
杨公安
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Jiangnan Shipyard Group Co Ltd
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Jiangnan Shipyard Group Co Ltd
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Application filed by Jiangnan Shipyard Group Co Ltd filed Critical Jiangnan Shipyard Group Co Ltd
Priority to CN202210924664.1A priority Critical patent/CN115173474A/en
Publication of CN115173474A publication Critical patent/CN115173474A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/20—Collapsible or foldable PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The application provides a power transmission type freight container power generation system and a freight container ship, which comprise a power transmission type freight container, a wireless power transmission assembly and a power grid assembly. The wireless power transmission assembly comprises an output end and an input end which are arranged at a preset distance, the output end is arranged on the box body of the freight container, is electrically connected with the photovoltaic power generation board and is used for transmitting the electric energy of the photovoltaic power generation board to the input end; the position of the input end is set according to the position of the output end. The power grid assembly is electrically connected with the input end. The photovoltaic direct current generated by the freight container is converted into alternating current induced current through the output end of the wireless power transmission assembly, and the alternating current induced current is transmitted to the input end of the wireless power transmission assembly in the overwater or terrestrial power grid assembly in a wireless transmission mode without being limited by space positions and the like. On the premise of not influencing the normal goods shipment in the freight container, the network operation power generation is carried out, and the application range is wide.

Description

Power transmission type freight container power generation system and freight container ship
Technical Field
The application relates to the technical field of ship construction, in particular to a power transmission type freight container power generation system and a freight container ship.
Background
The existing power generation system using oil, coal and other bio-fossil fuels on water or land can not meet the requirements of sustainable development of human society gradually. At present, in the mainstream ship, ocean engineering and land power grids at home and abroad, the power is basically combined into the power grid for load use after being generated by a generator through consuming non-renewable resources such as fuel oil (a small amount of natural gas) and coal.
At present, the mainstream form of networking operation after fuel consumption power generation mainly has the following disadvantages: 1. the generator consumes a large amount of fuel oil, natural gas, coal and other fuels, and the operation cost is high; 2. when the generator burns fuel oil, coal and other fuels, a large amount of pollutants such as waste gas, smoke dust and the like can be generated, and the use of the generator is increasingly limited by various laws and regulations such as the international environmental protection convention and the like; 3. power generation by consuming non-renewable resources, without sustainability; 4. the power supply structure is single, and the power grid composition needs to be optimized.
In addition, at present, freight containers in the field of water or land transportation at home and abroad are basically only used for shipping goods, so that the huge freight containers in the world have single utilization value in the using process and huge universal waste is caused.
In view of the foregoing, it would be desirable to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
An object of the embodiment of the present application is to provide a power transmission type freight container power generation system, which can use photovoltaic power generation without affecting the normal shipment of goods inside a freight container.
It is a second object of embodiments of the present application to provide a freight container ship comprising the above-described power transmission type freight container power generation system.
In a first aspect, a power transmission type freight container power generation system is provided, and comprises a power transmission type freight container, a wireless power transmission assembly and a power grid assembly.
The power transmission type freight container comprises a box body of the freight container and a photovoltaic power generation board which is detachably connected to the box body of the freight container, wherein the photovoltaic power generation board is used for converting light energy into electric energy.
The wireless power transmission assembly comprises an output end and an input end which are arranged at a preset distance, wherein the output end is arranged on the box body of the freight container, is electrically connected with the photovoltaic power generation board and is used for transmitting the electric energy of the photovoltaic power generation board to the input end; the position of the input end is set according to the position of the output end.
And the power grid component is electrically connected with the input end and is used for connecting the freight container power generation system to a water power grid or a land power grid.
In an embodiment, the wireless power transmission assembly includes a plurality of the output ends, the output ends are respectively disposed on a side surface of the box body, and the input end performs wireless power transmission with a closest one of the output ends.
In one embodiment, the input end is arranged close to a power grid component, the interaction area of the input end and the output end is larger than or equal to a preset area, and the interaction distance of the input end and the output end is smaller than or equal to a preset distance.
In one embodiment, the photovoltaic power generation panel further comprises a quick-connection cable, and when the interaction area of the input end and the output end is smaller than a preset area or the interaction distance is greater than a preset distance, the quick-connection cable is electrically connected with the photovoltaic power generation panel and the power grid assembly respectively so as to transmit power.
In one embodiment, the photovoltaic power generation panel is arranged on the top surface, and a plurality of photovoltaic power generation panels are hinged; a plurality of photovoltaic power generation board articulated connect back with the box can be dismantled and be connected.
In one embodiment, the photovoltaic power generation panel further comprises a protective cover, and the protective cover is used for covering the outside of the photovoltaic power generation panel after the plurality of photovoltaic power generation panels are folded.
In one embodiment, the photovoltaic power generation system comprises a plurality of power transmission type freight containers, wherein a junction box is arranged on a box body of each power transmission type freight container, and each junction box is electrically connected with the photovoltaic power generation panel on the power transmission type freight container; and after the junction boxes are connected through cables, the junction boxes collect electric energy generated by the plurality of power transmission type freight containers and output the electric energy through the output end.
In one embodiment, the grid assembly is off-grid; the off-grid power grid set is used for converting photovoltaic direct current generated by the power transmission type freight container into alternating current which is directly used by a load or stored in a storage battery pack when the power is sufficient; the off-grid power grid assembly at least comprises: the photovoltaic controller is used for converting direct current generated by the photovoltaic power generation panel into direct current available for a load; the off-grid photovoltaic inverter is used for converting direct current into single-phase/three-phase alternating current; the storage battery pack is used for storing surplus electric energy.
In one embodiment, the grid assembly is a grid-tied type grid assembly; the grid-connected type power grid component is used for converting photovoltaic direct current generated by the power transmission type freight container into alternating current and feeding the alternating current into a three-phase alternating current power grid to be networked with a generator set; the grid-connected power grid assembly at least comprises: a grid-connected photovoltaic inverter; the grid-connected photovoltaic inverter is used for converting direct current provided by the photovoltaic power generation panel into single-phase/three-phase alternating current, directly feeding the single-phase/three-phase alternating current into an overwater or terrestrial power grid for grid connection, and then supplying power to an electric load.
According to a second aspect of the application, there is also provided a freight container ship comprising an electrical power transmission-type freight container power generation system as provided in the first aspect.
Compared with the prior art, the beneficial effect of this application is:
in the technical scheme of this application, through installing solar cell panel on freight container, utilize solar cell panel's photovoltaic effect, directly convert solar radiation energy into the electric energy. The photovoltaic direct current generated by the freight container is converted into alternating current induced current through the output end of the wireless power transmission assembly, and the alternating current induced current is transmitted to the input end of the wireless power transmission assembly in the power grid assembly on water or on land in a wireless transmission mode without being limited by space positions and the like. The electric energy can be converted into electric energy which can be used by direct current or alternating current load equipment in an electric network on water (ships, ocean engineering and the like) or on land (vehicles and the like) through the electric network component, networking operation power generation is carried out on the premise of not influencing normal cargo loading in the freight container, and the application range is wide. The photovoltaic power generation has economy and sustainability, can avoid pollutants and harmful gases generated in the power generation process, conforms to the major trend of green environmental protection, and conforms to the long-term strategic target of national 'double carbon'.
Drawings
Fig. 1 is a schematic structural diagram of an off-grid power generation system in a power transmission type freight container power generation system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an off-grid power generation system in the power transmission type freight container power generation system according to the embodiment of the present invention.
Fig. 3 is a plan view of a power transmission type freight container in the power transmission type freight container power generation system according to the embodiment of the present invention.
Fig. 4 is a side view of a power transmission freight container in a power transmission freight container power generation system according to an embodiment of the present invention.
Fig. 5 is a front view of a wireless power transmission module in a power transmission type freight container power generation system according to an embodiment of the present invention.
Figure 6 is a side view of a wireless power transmission module in a power transmission type freight container power generation system in accordance with an embodiment of the present invention.
Fig. 7 is a schematic view of the connection structure of the protective cover in the power transmission type freight container power generation system according to the embodiment of the invention.
Wherein the reference numerals are as follows:
1. a box body; 2. a solar panel; 3. a cable; 4. a junction box; 5. a hinge; 6. a protective cover; 7. Quickly connecting a cable; 8. a power grid; 9. a wireless power transmission module; 901. a control panel; 902. a coil; 903. a housing; 904. a panel; 10. a photovoltaic controller; 11. a battery pack; 12. an off-grid photovoltaic inverter; 13. a grid-connected photovoltaic inverter; 14. an electric generator.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
According to a first aspect of the present application, referring to fig. 1 to 4, there is provided a power transmission type freight container power generation system, which includes a power transmission type freight container, a wireless power transmission component and a power grid component.
The power transmission type freight container comprises a box body 1 of the freight container and a photovoltaic power generation board which is detachably connected to the box body 1 of the freight container and is used for converting light energy into electric energy. Wherein, the photovoltaic power generation panel is a solar panel 2. The wireless power transmission assembly comprises an output end and an input end, wherein the output end is arranged on the box body 1 of the power transmission type freight container, is electrically connected with the photovoltaic power generation board and is used for transmitting the electric energy of the photovoltaic power generation board to the input end. The input end and the output end are separated by a preset distance. The power grid assembly comprises an electricity storage mechanism and an electricity utilization mechanism, and the freight container power generation system is connected to the water power grid or the land power grid after the power grid assembly is electrically connected with the input end, so that the system is applicable to the field of transportation of the freight containers on water or on land.
Specifically, as shown in fig. 4 to 6, the output end or the input end of the wireless power transmission assembly includes a control board 901, a coil 902, a housing 903 and a panel 904. The wireless power transmission module 9 mainly utilizes the electromagnetic induction principle to realize wireless power transmission, and needs an output end (i.e., a transmitting end) and an input end (i.e., a receiving end). The output end transmits energy through the control board 901 and the coil 902, and the input end receives energy through the control board 901 and the coil 902, so that wireless power transmission is realized. A current of a certain frequency passes through the output end coil 902, and due to electromagnetic induction, a certain current is generated in the input end coil 902, so that energy is transferred from the output end of the wireless power transmission module 9 to the input end of the wireless power transmission module 9 in the water or land power grid assembly.
The control board 901, as a main board, directly determines the important components of the function and performance of the wireless power transmission module 9, including: the system comprises a main control chip, a driving chip, a power device (MOS), a resistor capacitor, a PCB and the like. Coil 902 is generally a standard module, and relevant wireless power transmission standards specify structural dimension parameters and the like. The panel 904 is generally made of a composite material with good thermal conductivity, and is beneficial to timely dissipating heat generated by the coil 902 in a wireless power transmission process. The casing 903 is usually made of a high-strength metal or composite material, and serves to protect the structure of the wireless power transmission module 9.
This application utilizes solar cell panel 2's photovoltaic effect through installation solar cell panel 2 on freight container, directly converts solar radiation energy into the electric energy. The photovoltaic direct current generated by the freight container is converted into alternating current induced current through the output end of the wireless power transmission assembly, and the alternating current induced current is transmitted to the input end of the wireless power transmission assembly in the power grid assembly on water or on land in a wireless transmission mode without being limited by space positions and the like. The electric energy can be converted into electric energy which can be used by direct current or alternating current load equipment in an electric network on water (ships, ocean engineering and the like) or on land (vehicles and the like) through the electric network component, networking operation power generation is carried out on the premise of not influencing normal cargo loading in the freight container, and the application range is wide. The photovoltaic power generation has economical efficiency and sustainability, can avoid pollutants and harmful gases generated in the power generation process, and accords with the trend of environmental protection.
In one embodiment, the wireless power transmission assembly comprises 2 output ends, wherein the 2 output ends are respectively arranged on the side surface of the box body 1, and the input end and the 1 output end which is closest to the input end perform wireless power transmission. 2 outputs are mutually standby, and the normal use of the power generation system can be ensured by considering the prevention of the fault of 1 output. Since the position of the container on the ship is difficult to change, a plurality of output ends are installed on a plurality of selected sides in an inlaid mode. In order to select the output end meeting the position condition of wireless transmission for transmission when the input end is set, the arrangement difficulty of the input end is reduced.
In one embodiment, the input end is arranged close to the power grid component, the interaction area of the input end and the output end is larger than or equal to a preset area, and the interaction distance of the input end and the output end is smaller than or equal to a preset distance. The power grid assembly is arranged on land or a ship, and the input end is arranged close to the power grid assembly, so that wiring is more beneficial to management.
Specifically, the predetermined distance is 20cm. The predetermined area is 95% of the area of the input end or the output end, so that the offset size of the interaction surface of the input end and the output end in the vertical direction or the horizontal direction is within 5 cm.
In an implementation mode, the ship power generation system further comprises a quick connection cable 7, when the interaction area between the input end and the output end is smaller than a preset area or the interaction distance between the input end and the output end is larger than a preset distance, the photovoltaic power generation panel is electrically connected with the power grid assembly through the quick connection cable 7 for power transmission and transmission, and the electric energy of the ship power generation system can be stably transmitted.
In one embodiment, the photovoltaic power generation panels are arranged on the top surface of the box body 1, and the plurality of photovoltaic power generation panels are hinged through hinge seats and fixing bolts. A plurality of photovoltaic power generation boards can be dismantled through fastening bolt and box 1 after articulated and be connected, dismantle when being convenient for later maintenance.
In one embodiment, as shown in fig. 7, the photovoltaic power generation panel further includes a protective cover 6, the protective cover 6 has a width matching the width of a single photovoltaic power generation panel, and the protective cover 6 has a thickness matching the thickness of the plurality of photovoltaic power generation panels after folding. The protection casing 6 is used for covering the outside of locating a plurality of photovoltaic power generation boards after folding. When the ship meets storm weather at sea, the photovoltaic power generation panel on the ship is easy to damage, and the service life of the photovoltaic power generation panel is influenced. Photovoltaic power generation board can fold through hinge 5 and draw in when not using or receiving adverse effect to in the protection casing 6 is located to the cover, the protection casing 6 can be dismantled with box 1 through modes such as bolted connection and be connected, and protection casing 6 plays the effect of protection photovoltaic power generation board, extension photovoltaic power generation board's life.
In one embodiment, the system comprises a plurality of power transmission type freight containers, wherein a junction box 4 is arranged on a box body 1 of each power transmission type freight container, and each junction box 4 is electrically connected with a photovoltaic power generation board on the power transmission type freight container; after the plurality of junction boxes 4 are connected through the cables 3, the electric energy generated by the plurality of transmission type freight containers is gathered, and wireless transmission is carried out through 1 output end and the input end in the power grid assembly.
It should be noted that, a plurality of power transmission type freight containers are selected according to actual requirements, and the photovoltaic power generation panels on the box body 1 are connected in parallel or in series through the cable 3. The photovoltaic power generation panels on the box bodies 1 can jointly generate power, the solar radiation area of the photovoltaic power generation panels is greatly increased, and the generated energy of a power grid is further greatly improved.
In one embodiment, as shown in fig. 1, the grid assembly is an off-grid type grid assembly. The off-grid type power grid assembly converts the photovoltaic direct current generated by the transmission type freight container into alternating current which is directly used by a load or stored in the storage battery pack 11 when the power is abundant. Off-grid power grid assembly comprising at least: photovoltaic controller 10, battery pack 11, off-grid photovoltaic inverter 12, and the like.
Specifically, the off-grid power grid assembly is connected with the power transmission type freight container through the quick-connection cable 7 or the wireless power transmission module 9, the photovoltaic controller 10 converts direct current generated by the photovoltaic power generation panel into direct current usable by loads, and a plurality of direct current power loads in the off-grid water or land power grid are independently supported. Meanwhile, the direct current is converted into single-phase/three-phase alternating current for a plurality of alternating current electric loads through the off-grid photovoltaic inverter 12. The electrical dc or ac loads are usually non-critical electrical loads in marine or land power systems, which can be operated independently of the marine or land power grid 8. If the electric energy generated by the transmission type container power generation system composed of the components such as the solar panels 2 is excessive, the storage battery 11 can be charged and stored, and the storage battery can be used as the standby power of the direct current or alternating current load in the off-grid type power grid component, so that the system is safe and reliable.
In one embodiment, as shown in fig. 2, the grid assembly is a grid-tied type grid assembly. And the grid-connected power grid component converts the photovoltaic direct current generated by the power transmission type freight container into alternating current and feeds the alternating current into a running form of networking a three-phase alternating current power grid and a generator set. The grid-connected type power grid assembly at least comprises: grid-connected photovoltaic inverter 13, generator 14, grid 8, and the like.
Specifically, the grid-connected type power grid assembly is connected with the power transmission type freight container through the quick-connection cable 7 or the wireless power transmission module 9, and the grid-connected photovoltaic inverter 13 converts direct current provided by the photovoltaic power generation panel into single-phase/three-phase alternating current, directly feeds the single-phase/three-phase alternating current into the water or land power grid 8 for grid connection, and supplies power to the power load. The solar photovoltaic power generation system is independent from the generator 14 in the marine or land grid assembly. In the process of electric power matching, the solar photovoltaic power generation system is equivalent to another generator. The electric energy can be directly input into a public power grid on water or land, so that the configuration of the storage battery pack 11 is omitted, the processes of storing and releasing the energy of the storage battery pack are omitted, the energy loss is reduced, the occupied space and the system investment and maintenance are saved, the cost is reduced, the generating capacity can be larger, and the reliability of an electric load power supply can be ensured.
According to a second aspect of the present application there is also provided a freight container ship comprising an electrical power generation system for a transmission type freight container as provided in the first aspect.
To sum up, this application utilizes solar cell panel's photovoltaic effect through installing solar cell panel on freight container, directly converts solar radiation energy into the electric energy. The photovoltaic direct current generated by the freight container is converted into alternating current induced current through the output end of the wireless power transmission assembly, and the alternating current induced current is transmitted to the input end of the wireless power transmission assembly in the power grid assembly on water or on land in a wireless transmission mode without being limited by space positions and the like. The electric energy can be converted into electric energy which can be used by direct current or alternating current load equipment in an electric network on water (ships, ocean engineering and the like) or on land (vehicles and the like) through the electric network component, networking operation power generation is carried out on the premise of not influencing normal cargo loading in the freight container, and the application range is wide. Renewable and clean solar energy is used as new energy, and the solar energy heat-storage system has the characteristics of sustainability, environmental protection, energy conservation, emission reduction and economic effect. The form of the land and water power grid is enriched, and the stable operation of the power grid is facilitated.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A power transmission type freight container power generation system, comprising:
the power transmission type freight container comprises a box body (1) of the freight container and a photovoltaic power generation board which is detachably connected to the box body (1) of the freight container and is used for converting light energy into electric energy;
the wireless power transmission assembly comprises an output end and an input end which are arranged at a preset distance, wherein the output end is arranged on a box body (1) of the freight container, is electrically connected with the photovoltaic power generation panel and is used for transmitting the electric energy of the photovoltaic power generation panel to the input end; the position of the input end is set according to the position of the output end;
and the power grid component is electrically connected with the input end and is used for connecting the freight container power generation system to a water power grid or a land power grid.
2. A power transmission type freight container power generation system according to claim 1, characterized in that said wireless power transmission assembly includes a plurality of said output terminals provided on respective sides of said container body (1), said input terminal being in wireless power transmission communication with a closest one of said output terminals.
3. The electric power transmission freight container electric power generation system according to claim 1, characterized in that the input end is disposed close to an electric grid component, and the interaction area of the input end with the output end is equal to or larger than a predetermined area, and the interaction distance of the input end with the output end is equal to or smaller than a predetermined distance.
4. The power transmission type freight container power generation system according to claim 1, further comprising a quick connection cable (7), wherein when the interaction area between the input end and the output end is smaller than a predetermined area or the interaction distance is larger than a predetermined distance, the quick connection cable (7) is electrically connected with the photovoltaic power generation panel and the power grid assembly respectively for power transmission.
5. The electric power transmission type freight container electric power generation system according to claim 1, wherein said photovoltaic power generation panel is provided on a top surface, and a plurality of said photovoltaic power generation panels are hinged; a plurality of the photovoltaic power generation boards are hinged and then detachably connected with the box body (1).
6. An electric power transmission type freight container electric power generation system according to claim 5, further comprising a protective cover (6), wherein said protective cover (6) is configured to cover an outside of said photovoltaic power generation panel after a plurality of said photovoltaic power generation panels are folded.
7. An electric power transmission type freight container electric power generation system according to claim 1, characterized by comprising a plurality of electric power transmission type freight containers, wherein a junction box (4) is arranged on the body (1) of each electric power transmission type freight container, and each junction box (4) is electrically connected with the photovoltaic electric power generation panel on the electric power transmission type freight container; and after the junction boxes (4) are connected through cables, the electric energy generated by the power transmission type freight containers is gathered and then output through the output end.
8. The electric power transmission freight container power generation system of claim 1, where the grid component is an off-grid component; the off-grid type assembly is used for converting photovoltaic direct current generated by the power transmission type freight container into alternating current which is directly used by a load or stored in a storage battery pack (11) when the power is abundant; the off-grid power grid assembly at least comprises: the system comprises a photovoltaic controller (10), a storage battery pack (11) and an off-grid photovoltaic inverter (12), wherein the photovoltaic controller (10) is used for converting direct current generated by the photovoltaic power generation panel into direct current usable by a load; the off-grid photovoltaic inverter (12) is used for converting direct current into single-phase/three-phase alternating current; the storage battery pack (11) is used for storing surplus electric energy.
9. The electric power transmission freight container electric power generation system according to claim 1, where the grid component is a grid-connected grid component; the grid-connected type power grid assembly is used for converting photovoltaic direct current generated by the power transmission type freight container into alternating current and feeding the alternating current into a three-phase alternating current power grid to be networked with a generator set; the grid-connected power grid assembly at least comprises: a grid-connected photovoltaic inverter (13); the grid-connected photovoltaic inverter (13) is used for converting direct current provided by the photovoltaic power generation panel into single-phase/three-phase alternating current, directly feeding the single-phase/three-phase alternating current into an overwater or terrestrial power grid for grid connection, and then supplying power to an electric load.
10. A freight container ship comprising an electric power transmission-type freight container power generation system according to any one of claims 1 to 9.
CN202210924664.1A 2022-08-02 2022-08-02 Power transmission type freight container power generation system and freight container ship Pending CN115173474A (en)

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