Intelligent power generation and energy storage system

Abstract

The invention discloses an intelligent power generation and energy storage system which comprises a solar cell panel, an inverse control all-in-one machine, an energy storage battery, a direct-current generator, a combiner box and a load. The inverse control all-in-one machine is used for controlling power generation of the flexible solar cell panel and the direct-current generator, and inverting direct current provided by the solar cell panel, the direct-current generator and the energy storage battery into alternating current to be provided for a load for use; the solar cell panel and the direct-current generator are used for providing a direct-current power supply; and the energy storage battery is used for storing a direct-current power supply provided by the solar cell panel and the direct-current generator. The combiner box is used for centralized management of electric energy, and a load takes electricity for use through the combiner box. According to the product provided by the invention, renewable energy sources of the solar cell panel and high-capacity energy storage of the energy storage battery with the BMS are utilized, so that a load such as a yacht and the like can meet the requirement for shore power during sailing within a period of time, meanwhile, consumption of a large amount of diesel oil resources caused by a traditional oil engine power supply mode is reduced, the voyage is prolonged, and power utilization is safe.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic energy storage system installation, and in particular to an intelligent power generation and energy storage system. Background Art

[0002] Solar energy has become the focus of attention due to its unique advantages. The abundant solar radiation energy is an important energy source, which is inexhaustible, pollution-free, cheap, and freely available to humans. The energy of solar energy reaching the ground every second is as high as 800MWh. If 0.1% of the solar energy on the earth's surface is converted into electrical energy, with a conversion rate of 5%, the annual power generation can reach 5.6×10^12 kilowatt-hours, which is equivalent to 40 times the world's energy consumption. It is precisely because of these unique advantages of solar energy that after the 1980s, the types of solar cells have continued to increase, the scope of application has become increasingly broad, and the market scale has gradually expanded. At present, people are gradually applying solar energy to various fields.

[0003] Taking sea voyage as an example, how to reduce the excessive consumption of limited energy caused by the single power generation method of diesel generators, improve the level of uninterrupted power supply for ships, and ensure the safety of power supply, so that ships can sail longer and reduce the cost of going to sea and the cost of electricity for navigation, is a technical problem that needs to be solved at present. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the existing ships and other loads have a single power generation method, insufficient power generation, and excessive consumption of limited resources on ships, so as to provide a system that can generate uninterrupted power and store electricity at the same time, utilize the abundant light resources at sea to generate a large amount of direct current, and the redundant energy can also be stored in batteries to ensure that the ship loads have uninterrupted power supply and safe use of electricity.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] An intelligent power generation and energy storage system, comprising: a solar panel, an integrated inverter control machine, an energy storage battery, a DC generator, a combiner box, and a load;

[0007] The inverter-control integrated machine is used to control the power generation of the flexible solar panel and the DC generator, and inverts the DC power provided by the solar panel, the DC generator, and the energy storage battery into AC power for use by the load;

[0008] The solar panel and the DC generator are used to provide a DC power source;

[0009] The energy storage battery is used to store the DC power provided by the solar panel and the DC generator;

[0010] The combiner box is used to centrally manage electric energy, and the load uses electricity through the combiner box.

[0011] Furthermore, the solar cell panel is a flexible solar cell panel, which is a bendable solar panel.

[0012] Furthermore, the energy storage battery is an energy storage battery with BMS.

[0013] Furthermore, the integrated inverter and controller includes: a solar controller, an inverter, a communication module, a display module, and a heating module.

[0014] Furthermore, the communication module includes: an RS-232 interface, an RS-422 interface, and an RS-485 interface.

[0015] Furthermore, the communication module is used to control the charging and discharging of the energy storage battery, perform thermal management on the energy storage battery, and obtain the power generation status of the solar panel and transmit it to the display module.

[0016] Furthermore, the energy storage battery performs thermal management including:

[0017] When the temperature M is between M≤M1, -20℃≤M1≤0℃, the heating module is controlled to heat the energy storage battery;

[0018] When the temperature M is in the range of M≥M2, 50℃≤M2≤60℃, the solar panel and the DC generator are controlled to stop charging the energy storage battery.

[0019] Furthermore, the inverter-control integrated machine is used to control the power generation of the DC generator, including:

[0020] When the energy storage battery reaches 10% to 20% of the total power and the power generation power of the solar panel is only 10% to 20% of the maximum power, the DC generator is controlled to supply power to the energy storage battery and the load at the same time, with priority given to the load.

[0021] Furthermore, the energy storage battery is a lithium iron phosphate battery.

[0022] The beneficial effects are as follows:

[0023] The product provided in this application can be used in small and medium-sized yachts or fishing boats, etc., to get rid of the need for shore power during a period of sea voyage, while also reducing the large amount of diesel energy consumption caused by the traditional oil engine power supply method, increasing the range, and the whole system has various monitoring and protection measures to ensure the safe use of electricity for ship loads. Integrating the solar controller and inverter into the inverter-control all-in-one machine reduces the cumbersome installation of multiple devices in the system caused by the split solar controller and inverter; and can monitor the operating status of each device in real time, and has various protection measures to ensure safe use of electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1A schematic diagram of an intelligent power generation and energy storage system in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the embodiments, but it does not constitute any limitation to the present invention. Any limited number of modifications made by anyone within the scope of the claims of the present invention are still within the scope of the claims of the present invention.

[0026] An intelligent power generation and energy storage system, comprising: a solar panel 1, an inverter-control integrated machine 2, an energy storage battery 3, a DC generator 4, a combiner box 5, and a load 6;

[0027] The flexible solar panel 1 is used to convert light energy into electrical energy and emit direct current;

[0028] The DC generator 4 is used to convert mechanical energy into electrical energy and generate direct current;

[0029] The energy storage battery 3 is used to store the direct current generated by the direct current generator 4 and the solar panel 1 .

[0030] The inverter-control integrated machine 2 is used to control the power generation of the flexible solar panel 1 and the DC generator 4, control the power transmission of the energy storage battery 3, monitor the operation of each device and provide real-time protection, and invert DC power into AC power to supply loads, such as ships. The DC power provided by the solar panel, DC generator, and energy storage battery is inverted into AC power and provided to the load for use.

[0031] The combiner box 5 is used to collect electric energy for the load to draw electricity.

[0032] The combiner box is used to centrally manage electric energy, and the load uses electricity through the combiner box.

[0033] Furthermore, the solar cell panel is a flexible solar cell panel.

[0034] Furthermore, the energy storage battery is an energy storage battery with BMS.

[0035] Furthermore, the integrated inverter and controller includes: a solar controller, an inverter, a communication module, a display module, and a heating module.

[0036] Furthermore, the interfaces of the communication module include: RS-232 interface, RS-422 interface, and RS-485 interface.

[0037] Furthermore, the communication module is used to control the charging and discharging of the energy storage battery, perform thermal management on the energy storage battery, and obtain the power generation status of the solar panel and transmit it to the display module.

[0038] The display module is used to display the operating voltage and current of the solar cell panel.

[0039] Furthermore, the energy storage battery performs thermal management including:

[0040] When the temperature M is in the range of M≤M1, -20℃≤M1≤0℃, the heating module is controlled to heat the energy storage battery; preferably, M1 can be 0℃.

[0041] When the temperature M is M≥M2, 50℃≤M2≤60℃, the solar panel and the DC generator are controlled to stop charging the energy storage battery. Preferably, M2 can be 50℃.

[0042] Furthermore, the inverter-control integrated machine is used to control the power generation of the DC generator, including:

[0043] When the energy storage battery reaches 10% to 20% of the total power and the power generation power of the solar panel is only 10% to 20% of the maximum power, the DC generator is controlled to supply power to the energy storage battery and the load at the same time, with priority given to the load.

[0044] Furthermore, the energy storage battery is a lithium iron phosphate battery.

[0045] Furthermore, the solar panel 1 and the DC generator 4 are connected to the inverter-controlled integrated machine 2 using power lines; the energy storage battery 3 is connected to the inverter-controlled integrated machine 2 using power lines and communication lines, and the output lines of the inverter-controlled integrated machine 2 are merged into the junction box 5.

[0046] Furthermore, after the energy storage battery 3 with BMS is connected to the inverter-controlled integrated machine 2 through a communication line, information is transmitted and shared between chips at various levels, so that the inverter-controlled integrated machine 2 can monitor the status of the energy storage battery 3 with BMS in real time to facilitate various measures.

[0047] Furthermore, the solar panel 1 and the energy storage battery 3 are designed to be expandable.

[0048] Furthermore, the inverter-control integrated machine 2 controls the power generation of the flexible solar panel 1 and the DC generator 4, controls the discharge and storage of the energy storage battery 3 with BMS, and monitors the operation status of each device in real time, such as the power generation of the flexible solar panel 1 and the DC generator 4, the current storage power of the energy storage battery 3 with BMS, and the power consumption of the load. It is also equipped with a real-time protection function. When overcurrent and overvoltage occur in the device, the circuit connection of the device is automatically cut off according to the actual fault situation and an alarm is issued to remind the user.

[0049] The DC generator 4 is set as a backup energy source and is activated only when sunlight is on and the battery power is insufficient.

[0050] The beneficial effects are as follows:

[0051] The product provided in this application can be applied to loads such as small and medium-sized yachts or fishing boats. During a period of sea voyage, the product can be independent of the need for shore power supply. At the same time, it can also reduce the large amount of diesel energy consumption caused by traditional oil engine power supply, increase the range, and the entire system has various monitoring and protection measures to ensure the safe use of electricity for ship loads.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An intelligent power generation and energy storage system, characterized in that: include: Solar panels, inverter-controller, energy storage battery, DC generator, combiner box, load; The inverter-control integrated machine is used to control the power generation of the flexible solar panel and the DC generator, and inverts the DC power provided by the solar panel, the DC generator, and the energy storage battery into AC power for use by the load; The solar panel and the DC generator are used to provide a DC power source; The energy storage battery is used to store the DC power provided by the solar panel and the DC generator; The combiner box is used to centrally manage electric energy, and the load uses electricity through the combiner box.

2. The power generation and energy storage system according to claim 1, characterized in that: The energy storage battery is an energy storage battery with a BMS.

3. The power generation and energy storage system according to claim 1, characterized in that: The solar cell panel is a flexible solar cell panel.

4. The power generation and energy storage system according to claim 1, characterized in that: The inverter-control integrated machine comprises: a solar controller, an inverter, a communication module, a display module, and a heating module.

5. The power generation and energy storage system according to claim 4, characterized in that: The interfaces of the communication module include: RS-232 interface, RS-422 interface, and RS-485 interface.

6. The power generation and energy storage system according to claim 4, characterized in that: The communication module is used to control the charging and discharging of the energy storage battery, perform thermal management on the energy storage battery, and obtain the power generation status of the solar panel and transmit it to the display module.

7. The power generation and energy storage system according to claim 4, characterized in that: The display module is used to display the operating voltage and current of the solar cell panel.

8. The power generation and energy storage system according to claim 6, characterized in that: The communication module performs thermal management on the energy storage battery including: When the temperature M is between M≤M1, -20℃≤M1≤0℃, the heating module is controlled to heat the energy storage battery; When the temperature M is in the range of M≥M2, 50℃≤M2≤60℃, the solar panel and the DC generator are controlled to stop charging the energy storage battery.

9. The power generation and energy storage system according to claim 1, characterized in that: The inverter-control integrated machine is used to control the power generation of a DC generator, and comprises: When the energy storage battery reaches 10% to 20% of the total power and the power generation power of the solar panel is only 10% to 20% of the maximum power, the DC generator is controlled to supply power to the energy storage battery and the load at the same time, with priority given to the load.

10. The power generation and energy storage system according to claim 1, characterized in that: The solar panels and energy storage batteries are designed to be expandable.

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