Solar water and electricity co-production device based on solar photo-thermal and photoelectric effects

Abstract

The utility model relates to a solar water and electricity co-production device based on solar photo-thermal and photoelectric effects. The device comprises a glass cover plate (1), an inner-layer water tank (2), a lithium battery box (3), a serial port screen (4), a carbon-based photo-thermal conversion film (5), a solar panel (6), a heat dissipation block (7), a thermoelectric power generation sheet (8) and a rectangular heat absorption block (9). Wherein the glass cover plate (1) is arranged at the top of the glass box body, the carbon-based photo-thermal conversion film (5) and the inner-layer water tank (2) are arranged at the bottom of the glass box body, the solar panels (6) are symmetrically arranged on the outer side faces of the glass box body, the heat dissipation block (7) is further arranged outside the glass box body, and the heat dissipation block (7) is connected with the thermoelectric power generation piece (8). The thermoelectric power generation sheet (8) is connected with the rectangular heat absorption block (9), and the lithium battery box (3) and the serial port screen (4) are arranged adjacently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water purification and photo-thermal power generation field, especially relate to a solar water and electricity cogeneration device based on solar photo-thermal and photoelectric conversion technology. BACKGROUND

[0002] With the aggravation of environmental deterioration, the seawater desalination and sewage purification technology driven by solar energy will become an important way to solve the global freshwater resource shortage problem.Meanwhile, solar photo-thermal and photovoltaic power generation develop rapidly due to the technical advantages of clean and renewable, and may become the main force of the power grid in the future.Photo-thermal power generation replaces the traditional boiler with solar heat collector on the basis of inheriting the traditional thermal power generation technology.

[0003] Solar photo-thermal technology develops rapidly, and it has wide application in the fields of solar seawater desalination, sewage treatment, sterilization, medical treatment, heating and solar thermal power generation.Solar photoelectric technology has also made great progress and wide application, including solar cells, solar thermal photovoltaic, etc.

[0004] The development of solar photo-thermal technology and solar photoelectric technology is still relatively independent, how to complement each other and realize the synergy of photo-thermal and photoelectric technology to greatly improve the energy utilization efficiency becomes the main problem currently faced. SUMMARY

[0005] The utility model aims at solving the above prior art problem.Proposed is a solar water and electricity cogeneration device based on solar photo-thermal and photoelectric effect, and the solar water and electricity cogeneration device is a system integrating photo-thermal conversion, thermoelectric conversion and photoelectric conversion technology.The technical scheme of the utility model is as follows:

[0006] A solar water and electricity cogeneration device based on solar photo-thermal and photoelectric effect comprises a glass cover plate (1), an inner layer water tank (2), a lithium battery box (3), a serial port screen (4), a carbon-based photo-thermal conversion film (5), a solar panel (6), a heat dissipation block (7), a thermoelectric power generation sheet (8) and a rectangular heat absorption block (9), wherein the glass cover plate (1) is arranged at the top position of a glass box body, the bottom of the glass box body is provided with the carbon-based photo-thermal conversion film (5) and the inner layer water tank (2), the outer side surface of the glass box body is symmetrically provided with the solar panel (6), the outer side surface of the glass box body is further provided with the heat dissipation block (7), the heat dissipation block (7) is connected with the thermoelectric power generation sheet (8), the thermoelectric power generation sheet (8) is connected with the rectangular heat absorption block (9), and the lithium battery box (3) and the serial port screen (4) are arranged adjacently.

[0007] Further, a one-way valve is arranged in the glass box body, and seawater can only flow in but not out, so that seawater flows into the purification tank when the sea level rises, and the seawater in the purification tank is not affected when the sea level falls.

[0008] Further, the glass box adopts a slope roof for distillation condensate water discharge, and the purified water tank has a purified water output interface connected with the water reservoir.

[0009] Further, the carbon-based light-heat conversion film adopts a honeycomb net-like graphene structure.

[0010] Further, the thermoelectric power generation sheet (8) adopts a metal aluminum structure of model SP1848-27145 SA.

[0011] The advantages and beneficial effects of the utility model are as follows:

[0012] The solar water and electricity cogeneration device is a system integrating light-heat conversion, heat-electricity conversion and photoelectric conversion technology.

[0013] 1. Energy efficient utilization: the water and electricity cogeneration device can efficiently capture full-spectrum solar energy, realize the synergy of solar light-heat conversion, solar photoelectric conversion and heat-electricity conversion, and the energy utilization efficiency is significantly improved compared with single photovoltaic power generation or solar water heating system.

[0014] 2. Environmentally friendly: the water and electricity cogeneration device does not produce greenhouse gas emissions and other harmful substances during operation, and is a clean and green energy utilization method.

[0015] 3. Resource saving: by fully utilizing solar energy, an inexhaustible and inexhaustible natural resource, the water and electricity cogeneration device helps to reduce dependence on fossil fuels, thereby saving limited natural resources.

[0016] 4. Economically feasible: although the initial investment may be high, in the long run, the water and electricity cogeneration device can significantly reduce energy costs, especially in sunny areas, the economic benefits are particularly significant.

[0017] Beneficial effects

[0018] 1. Promote sustainable development: the water and electricity cogeneration device as an important form of renewable energy utilization helps to promote the optimization of energy structure and the realization of sustainable development goals.

[0019] 2. Improve energy security: the water and electricity cogeneration device only needs solar energy input, by reducing dependence on external energy supply, the safety and stability of energy supply are enhanced.

[0020] 3. Reduced environmental pollution: Compared with traditional energy sources, the hydropower cogeneration device described in this invention does not generate pollution during operation, which helps to improve air quality and protect water resources.

[0021] 4. Promoting Technological Innovation: The development and application of the hydropower cogeneration technology described in this invention has promoted technological innovation and industrial upgrading in related fields, injecting new vitality into economic development. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a solar-hydropower cogeneration device based on the solar thermal and photoelectric effects, according to a preferred embodiment of this utility model.

[0023] Among them, 1-glass cover plate, 2-inner water tank, 3-lithium battery box, 4-serial port screen, 5-carbon-based photothermal conversion film, 6-solar panel, 7-heat dissipation block, 8-thermal difference power generation plate, 9-rectangular heat absorption block. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and thoroughly described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention.

[0025] The technical solution of this utility model to solve the above-mentioned technical problems is:

[0026] like Figure 1 As shown, a solar-hydropower cogeneration device based on solar thermal and photoelectric effects includes: a glass cover plate 1, an inner water tank 2, a lithium battery box 3, a serial port screen 4, a carbon-based photothermal conversion film 5, a solar panel 6, a heat sink 7, a thermoelectric generator 8, and a rectangular heat absorber 9. The glass cover plate 1 is located at the top of the glass box. The carbon-based photothermal conversion film 5 and the inner water tank 2 are located at the bottom of the glass box. Solar panels 6 are symmetrically arranged on the outer sides of the glass box. Heat sinks 7 are also located on the outside of the glass box, connected to the thermoelectric generator 8, which in turn is connected to the rectangular heat absorber 9. The lithium battery box 3 and the serial port screen 4 are arranged adjacent to each other. It should be noted that this utility model protects the various devices and their connections.

[0027] Furthermore, the glass box is equipped with a one-way valve, allowing seawater to flow in but not out. During high tide, the sea level rises and seawater flows into the purification pool, while during low tide, the seawater in the purification pool remains unaffected.

[0028] Furthermore, the glass enclosure features a sloping roof for draining distilled condensate, and the pure water tank has a pure water output interface connected to a water storage tank.

[0029] Furthermore, the carbon-based photothermal conversion film employs a single layer of honeycomb-like graphene structure.

[0030] Further, the thermoelectric generator sheet 8 adopts a metal aluminum structure of model SP1848-27145 SA.

[0031] Preferably, the glass cover plate 1 is the top cover plate of the photoelectric cogeneration device, and the transparent device can allow light to enter the device

[0032] The inner layer water tank 2 is used to place the carbon-based photo-thermal conversion film, and the water tank is a container for containing sewage, and a layer of carbon-based photo-thermal conversion film is laid on the water tank to realize the evolution of sewage

[0033] The lithium battery box 3 is used to store the electric energy generated by the thermoelectric heating module and the solar circuit board.

[0034] The serial port screen 4 is used to display the sewage treatment capacity, power generation capacity and other information in real time to realize information visualization. The carbon-based photo-thermal conversion film 5 is a thin honeycomb network graphene structure with hydrophobicity, which can filter out macromolecular structures such as stains through the carbon cloth to achieve water purification effect. The honeycomb structure can concentrate a large amount of heat to heat the sewage, and the heat released can be used for power generation. The solar cell panel 6 converts solar energy into electrical energy for storage.

[0035] The heat dissipation block 7, the thermoelectric generator sheet 8 and the rectangular heat absorption block 9 are all thermoelectric heating modules, which utilize the Seebeck effect, a thermoelectric phenomenon in which a voltage difference is generated between two substances due to the temperature difference between two different conductors or semiconductors. In the device, the heat released is converted into electrical energy for storage.

[0036] The device mainly consists of a purification tank and a water storage tank. The purification tank is directly connected to the outside through a one-way valve, and seawater can only flow in but not out. During high tide, seawater flows into the desalination tank as the sea level rises. During low tide, the seawater in the desalination tank is not affected. The purification tank is floating with a large area of solar seawater desalination membrane composed of hydrophilic and low thermal conductivity heat local structure and carbon-based photo-thermal conversion film, realizing efficient solar photo-thermal conversion and water extraction. The full-waveband absorption rate of sunlight is as high as 97%.

[0037] ①, Water purification module: The solar seawater desalination membrane is composed of a light-heat conversion layer with omnidirectional high-efficiency light absorption and light-heat conversion performance and a low-thermal-conductivity and super-hydrophilic water storage layer. Through the design concept of interfacial heating, the water storage layer continuously extracts the seawater (river water, lake water, industrial wastewater, etc.) to be purified and gathers in the light-heat conversion layer to form interfacial heating, directly heating the water inside the heat local structure in the seawater desalination membrane, realizing efficient solar seawater desalination and wastewater treatment. A large amount of high-temperature steam is generated to realize efficient solar water desalination. The high-temperature water vapor generated during the process of solar water desalination is cooled and condensed at the top of the system, and the distilled water flows into the water storage structure outside the desalination tank for storage.

[0038] ②, power generation module: thermoelectric power generation part: the water vapor temperature generated in the process of solar water desalination of the water purification module can reach 80-100 DEG C, and the ambient temperature is generally below 40 DEG C. The top of the system is designed with a thermoelectric power generation module, which mainly utilizes the thermoelectric effect of semiconductor thermoelectric materials. A large amount of high-temperature water vapor is gathered at the top of the system, and the temperature difference with the external environment forms an electric energy output to realize electric energy storage.

[0039] ③, electric energy storage: by covering a layer of solar absorption film on the hot end of the thermoelectric module, solar energy can be absorbed to increase the temperature of the hot end; and by setting a heat dissipation fin on the cold end of the thermoelectric module, the temperature of the cold end can be reduced. Therefore, the two ends of the thermoelectric module material generate a temperature difference and a potential energy by the Seebeck effect, and the output power can be obtained by connecting an external load. The external load can be charged to the battery, or the electric energy can be directly converted and output, so as to achieve electric energy storage. The device can be placed in a high-salinity and high-heat sea area, so that the thermoelectric heating module can better play its role, and the high-salinity seawater is purified to meet the application requirements of seawater purification, and benefit the people in the Middle East.

[0040] Preferably, the utility model discloses a one-way absorption of purified seawater (river water, lake water, industrial wastewater, etc.), and the surface floats a solar seawater desalination film to heat and generate high-temperature steam. The steam is condensed at the top of the device and flows into the water storage tank for storage. The top of the device is a thermoelectric power generation module, which includes a hot end and a cold end. The hot end is covered with a solar absorption film, and the cold end of the thermoelectric module is provided with a heat dissipation fin. The two ends of the thermoelectric module material generate a temperature difference and a potential energy by the Seebeck effect to generate electricity and store electric energy with a lithium battery. The serial port screen displays real-time parameters.

[0041] Preferably, the purification tank of the device is connected with a one-way valve, so that seawater can only flow in and cannot flow out. During high tide, seawater flows into the purification tank, and during low tide, the seawater in the purification tank is not affected.

[0042] Preferably, the device has a slope top, which is beneficial to the discharge of distilled condensate water. The pure water tank has a pure water output interface connected with the water storage tank.

[0043] Preferably, a thermoelectric power generation module is arranged at the top of the device, which can maximize the temperature difference.

[0044] Preferably, the generated electricity is connected with a relay module and a voltage detection module. The relay serves as a switch for charging and discharging the lithium battery, and the voltage detection module is used to detect the electric quantity of the lithium battery.

[0045] The system, device, module or unit illustrated in the above embodiments can be specifically realized by a computer chip or entity, or by a product with certain functions.

[0046] It is also to be noted that the terms "comprising", "including", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0047] The above embodiments should be understood as merely illustrative of the present application and not restrictive of the scope of the present application. After reading the disclosure of the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent changes and modifications also fall within the scope defined by the claims of the present application.

Claims

1. A solar combined heat and power device based on the photothermal and photoelectric effects of solar energy, characterized in that, Include: Glass cover plate (1), inner layer water tank (2), lithium battery box (3), serial port screen (4), carbon-based light heat conversion film (5), solar panel (6), heat sink (7), thermoelectric power sheet (8), rectangular heat sink (9), wherein the glass cover plate (1) is arranged at the top of the glass box, the bottom of the glass box is provided with carbon-based light heat conversion film (5) and inner layer water tank (2), the outer side of the glass box is symmetrically provided with solar panel (6), the outside of the glass box is also provided with heat sink (7), the heat sink (7) is connected with thermoelectric power sheet (8), the thermoelectric power sheet (8) is connected with rectangular heat sink (9), the lithium battery box (3) and serial port screen (4) are arranged adjacent.

2. The solar-based combined heat and power device according to claim 1, wherein, The glass box is provided with a one-way valve, and seawater can only flow in and cannot flow out. When the tide rises, seawater flows into the purification tank. When the tide recedes, the seawater in the purification tank is not affected.

3. The solar-based combined heat and power device according to claim 1, wherein, The glass box adopts a slope top for discharging distilled condensed water. The purified water tank has a purified water output interface connected with the water storage tank.

4. The solar-based combined electricity and water production device based on the photo-thermal and photo-electric effects according to claim 1, characterized in that, The thermoelectric power sheet (8) adopts a metal aluminum structure of model SP1848-27145 SA.

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