CN205860520U - Intelligent control photovoltaic and photothermal integral device - Google Patents

Abstract

The utility model discloses an intelligent control photovoltaic photothermal integrated device. The tap water interface is connected to the photovoltaic battery panel through the pipeline, the photovoltaic battery panel is connected to the water inlet of the thermal insulation water tank through the pipeline, and the water outlet of the thermal insulation water tank is connected to the user's water supply interface through the pipeline; The water inlet of the solar water heater is connected to the tap water interface, and the water outlet of the solar water heater is connected to the user's water supply interface; a first solenoid valve is arranged on the pipeline between the tap water interface and the photovoltaic cell panel, and the first micro-controller is based on the temperature of the photovoltaic cell panel. Control the first solenoid valve, the pipeline between the photovoltaic panel and the water inlet of the heat preservation water tank is provided with a second solenoid valve, the second microcontroller controls the second solenoid valve according to the temperature of the water pipe, and the third microcontroller controls the temperature of the heat preservation water tank according to Water temperature, liquid level control solar water heater. It solves the problem that the efficiency of photovoltaic panels is reduced due to high temperature during the working process, and the problems of insufficient water pressure and insufficient water temperature are prone to occur when water is supplied to users.

Description

Intelligent control photovoltaic photothermal integrated device

technical field

The utility model belongs to the technical field of solar energy devices, and relates to an intelligent control photovoltaic photothermal integrated device.

Background technique

At present, traditional solar power generation devices are used on the roof, and the efficiency of photovoltaic panels will be reduced due to excessive temperature during operation. When supplying water to users, problems such as insufficient water pressure and insufficient water temperature are likely to occur, thereby reducing production efficiency.

Utility model content

In order to achieve the above purpose, the utility model provides an intelligently regulated photovoltaic photothermal integrated device, which solves the problem that in the prior art, the efficiency of the photovoltaic cell panel will be reduced due to the high temperature during the working process, and water will easily appear when supplying water to the user. The pressure is not enough, the water temperature is not enough, which reduces the production efficiency.

The technical solution adopted in the utility model is an intelligent control photovoltaic photothermal integrated device, the tap water interface is connected to the photovoltaic battery panel through the pipeline, the photovoltaic battery panel is connected to the water inlet of the heat preservation water tank through the pipeline, and the water outlet of the heat preservation water tank is passed through The pipeline is connected to the user's water supply interface; the pipeline between the tap water interface and the photovoltaic panel is provided with a first solenoid valve, the first solenoid valve is connected to the first microcontroller, the first microcontroller is connected to the first temperature sensor, and the first solenoid valve is connected to the first temperature sensor. A temperature sensor is connected to the photovoltaic cell panel for detecting the temperature of the photovoltaic cell panel; a second solenoid valve is provided on the pipeline between the photovoltaic cell panel and the water inlet of the thermal water tank, and the second solenoid valve is connected to the second microcontroller , the second microcontroller is connected to the second temperature sensor, and the second temperature sensor is connected to the water pipe heated by the photovoltaic cell panel for detecting the temperature of the water pipe heated by the photovoltaic cell panel; the liquid level gauge and the third temperature sensor are both Set on the heat preservation water tank, the liquid level gauge is used to detect the water level in the heat preservation water tank, the third temperature sensor is used to detect the water temperature in the heat preservation water tank, the liquid level gauge and the third temperature sensor are connected with the third microcontroller, the third The microcontroller is connected with the solar water heater, the water inlet of the solar water heater is connected with the tap water interface, and the water outlet of the solar water heater is connected with the user water supply interface.

The utility model is also characterized in that, further, the first micro-controller, the second micro-controller and the third micro-controller all adopt C8051F020 single-chip microcomputer.

Further, the first temperature sensor, the second temperature sensor and the third temperature sensor are all DS18B20 digital temperature sensors with stainless steel package and waterproof function.

Further, the electric energy output end of the photovoltaic battery panel is connected with the solar water heater to provide electric energy for the solar water heater when sunlight is insufficient.

The beneficial effects of the utility model are: the utility model proceeds from energy saving and improvement of production efficiency, and uses the first micro-controller to intelligently control the temperature of the photovoltaic battery panel by collecting the temperature of the photovoltaic battery panel, so as to increase the power generation of the photovoltaic battery panel, At the same time, in the process of using cold tap water to cool down the photovoltaic panels, the cold tap water will be turned into hot water and sent to the thermal water tank for users to use, which can alleviate the problem of insufficient hot water when only using solar water heaters to supply water to users; in addition , use the electric energy generated by photovoltaic panels to supply power to users to meet the electricity demand of users in production and life, store the electric energy generated by photovoltaic panels, and supply power to solar water heaters when the sunlight is not strong. Reducing the use of traditional coal-fired electricity can not only achieve energy saving and environmental protection, but also further improve the ability of solar water heaters to output hot water to solve the problem of insufficient hot water supply for users.

In the utility model, the water pipe installed under the photovoltaic battery panel to cool down the photovoltaic battery panel can not only be used to transport tap water, but also the water pipe itself can be used as a part of the photovoltaic battery panel support, saving the installation cost of the photovoltaic battery panel support.

In short, the utility model can greatly increase the power supply of photovoltaic panels and the capacity of hot water supply of solar water heaters, and also play a role in low-carbon environmental protection and saving equipment manufacturing costs, so as to improve production and social benefits.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is the structural representation of the utility model.

In the figure, 1. The first solenoid valve, 2. The first microcontroller, 3. The first temperature sensor, 4. The second temperature sensor, 5. Photovoltaic panel, 6. The second solenoid valve, 7. The second micro Controller, 8. Insulated water tank, 9. Liquid level gauge, 10. Third temperature sensor, 11. Solar water heater, 12. Third microcontroller, 13. Tap water interface, 14. User water supply interface.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The structure of the present utility model, as shown in Figure 1, the tap water interface 13 is connected with the photovoltaic battery panel 5 through the pipeline, the photovoltaic battery panel 5 is connected with the water inlet of the thermal insulation water tank 8 through the pipeline, and the water outlet of the thermal insulation water tank 8 is supplied with water to the user through the pipeline The interface 14 is connected; the pipeline between the tap water interface 13 and the photovoltaic panel 5 is provided with a first electromagnetic valve 1, the first electromagnetic valve 1 is connected with the first microcontroller 2, and the first microcontroller 2 is connected with the first temperature sensor 3 connected, the first temperature sensor 3 is connected with the photovoltaic panel 5, and is used to detect the temperature of the photovoltaic panel 5; the pipeline between the photovoltaic panel 5 and the water inlet of the heat preservation water tank 8 is provided with a second electromagnetic valve 6, and the second The second solenoid valve 6 is connected to the second microcontroller 7, the second microcontroller 7 is connected to the second temperature sensor 4, and the second temperature sensor 4 is connected to the water pipe heated by the photovoltaic cell panel 5 for detecting The temperature of the water pipe after the plate 5 is heated; the liquid level gauge 9 and the third temperature sensor 10 are all arranged on the heat preservation water tank 8, the liquid level gauge 9 is used to detect the water level in the heat preservation water tank 8, and the third temperature sensor 10 is used to detect the temperature of the heat preservation water tank The water temperature in 8, the liquid level gauge 9 and the third temperature sensor 10 are all connected with the third microcontroller 12, the third microcontroller 12 is connected with the solar water heater 11, the water inlet of the solar water heater 11 is connected with the tap water interface 13, and the solar energy The water outlet of the water heater 11 is connected with the user water supply interface 14 .

Photovoltaic panel 5 is a device that converts solar radiation energy directly or indirectly into electrical energy through photoelectric effect or photochemical effect by absorbing sunlight, and is used to heat tap water; solar water heater 11 is a device that converts solar energy into heating, used to Heating tap water; the thermal insulation water tank 8 is used to keep the water in the thermal insulation water tank 8 at a certain temperature, and supply water to the user water supply interface 14 .

The first temperature sensor 3 sends the detected temperature information of the photovoltaic cell panel 5 to the first microcontroller 2, and the first microcontroller 2 sends a start signal to the first microcontroller 2 when it judges that the temperature of the photovoltaic cell panel 5 is higher than a preset value. A solenoid valve 1, cold tap water flows to the pipeline on the back of the photovoltaic cell panel 5 through the first solenoid valve 1, and the photovoltaic cell panel 5 is cooled by cold tap water to achieve physical cooling; the first microcontroller 2 judges the photovoltaic cell panel When the temperature of 5 is lower than the preset value, a closing signal is sent to the first solenoid valve 1, so that the cold tap water will not flow to the photovoltaic panel 5.

The second temperature sensor 4 sends the detected temperature information of the water pipe heated by the photovoltaic cell panel 5 to the second microcontroller 7, and the second microcontroller 7 judges that the temperature of the water pipe heated by the photovoltaic cell panel 5 is higher than the preset temperature. value, send a starting signal to the second solenoid valve 6, and the water heated by the photovoltaic cell panel 5 flows into the heat preservation water tank 8 through the second solenoid valve 6; the second micro-controller 7 judges the temperature of the water pipe heated by the photovoltaic cell panel 5 When the value is lower than the preset value, a closing signal is sent to the second solenoid valve 6 , and the water heated by the photovoltaic cell panel 5 will not flow into the heat preservation water tank 8 .

The liquid level gauge 9 sends the detected water level information in the thermal insulation water tank 8 to the third microcontroller 12, and the third temperature sensor 10 sends the detected water temperature information in the thermal insulation water tank 8 to the third microcontroller 12, and the third microcontroller When the controller 12 judges that the water level in the thermal insulation water tank 8 is lower than the preset value or the water temperature is lower than the preset value, it sends a start signal to the solar water heater 11, and the tap water is heated by the solar water heater 11 and flows to the user water supply interface 14 to supply hot water to the user; When the microcontroller 12 judges that the water level in the thermal insulation water tank 8 is higher than the preset value or the water temperature is higher than the preset value, it sends a shutdown signal to the solar water heater 11, the solar water heater 11 stops working, and the hot water in the thermal insulation water tank is supplied to the user's water interface 14 Hot water is provided. The electric energy output end of the photovoltaic cell panel 5 is connected with the solar water heater 11. When the water level or water temperature in the heat preservation water tank 8 cannot meet the water supply requirements, and the solar water heater 11 cannot supply hot water due to weak sunlight, the photovoltaic cell panel 5 is used to generate The electric energy of the solar water heater 11 is powered, so that the solar water heater 11 can continue to supply hot water, and the use of traditional coal power to power the solar water heater can be avoided, so as to save the use of coal power and indirectly reduce the production of carbon monoxide and carbon dioxide due to the use of coal for power generation. The pollution caused by harmful gases to the environment has good social and economic benefits.

The first microcontroller 2, the second microcontroller 7 and the third microcontroller 12 all adopt the C8051F020 single-chip microcomputer, and the C8051F020 single-chip microcomputer has the following advantages:

(1) Fast running speed: C8051F020 single-chip microcomputer is a fully integrated mixed-signal system-level chip with a CIP-51 microcontroller core compatible with 8051. It adopts a pipeline structure, and the single-cycle instruction running speed is 12 times that of 8051. The full instruction set Running speed is 9.5 times of the original;

(2) Strong reliability and anti-interference ability: The I/O port of C8051F020 greatly reduces external connections and device expansion, which is conducive to improving reliability and anti-interference ability;

(3) The A/D converter integrated inside C8051F020 has high conversion precision: the A/D converter inside C8051F020 can be configured as a single-ended input through a multi-channel selector, and there is a programmable gain amplifier inside to amplify the input signal to improve the analog Conversion accuracy of the digital converter.

The first temperature sensor (3), the second temperature sensor (4) and the third temperature sensor (10) all adopt a DS18B20 digital temperature sensor with a stainless steel package and a waterproof function.

DS18B20 digital temperature sensor is easy to connect, and can be used in many occasions after being packaged, such as pipeline type, screw type, magnet adsorption type, stainless steel package type, and various models, including LTM8877, LTM8874 and so on. Its appearance is mainly changed according to different application occasions. The packaged DS18B20 can be used for temperature measurement in cable trenches, temperature measurement in blast furnace water circulation, boiler temperature measurement, machine room temperature measurement, agricultural greenhouse temperature measurement, clean room temperature measurement, ammunition depot temperature measurement and other non-limit temperature occasions. Wear-resistant and impact-resistant, small size, easy to use, and various packaging forms, it is suitable for digital temperature measurement and temperature control of various equipment in small spaces.

DS18B20 digital temperature sensor also has the following advantages:

(1) Single-line interface mode, when DS18B20 is connected with the microcontroller, only one port line is needed to realize the two-way communication between the microprocessor and DS18B20;

(2) Temperature measurement range -55℃～+125℃;

(3) Support multi-point networking function, multiple DS18B20 can be connected in parallel on the only three wires to realize multi-point temperature measurement;

(4) Low energy consumption during work, working power supply: 3.0~5.5V/DC, parasitic power supply of data lines can also be used;

(5) No external components are required in use.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model are included in the protection scope of the present utility model.

Claims (4)

1. An intelligently regulated photovoltaic photothermal integrated device, characterized in that the tap water interface (13) is connected to the photovoltaic panel (5) through a pipeline, and the photovoltaic panel (5) is connected to the water inlet of the heat preservation water tank (8) through the pipeline connection, the water outlet of the thermal water tank (8) is connected with the user water supply interface (14) through a pipeline; the pipeline between the tap water interface (13) and the photovoltaic panel (5) is provided with a first electromagnetic valve (1), the first The solenoid valve (1) is connected with the first microcontroller (2), the first microcontroller (2) is connected with the first temperature sensor (3), and the first temperature sensor (3) is connected with the photovoltaic panel (5), It is used to detect the temperature of the photovoltaic cell panel (5); the pipeline between the photovoltaic cell panel (5) and the water inlet of the thermal water tank (8) is provided with a second electromagnetic valve (6), and the second electromagnetic valve (6) is connected with the The second microcontroller (7) is connected, the second microcontroller (7) is connected with the second temperature sensor (4), and the second temperature sensor (4) is connected with the water pipe heated by the photovoltaic cell panel (5). It is used to detect the temperature of the water pipe heated by the photovoltaic panel (5); the liquid level gauge (9) and the third temperature sensor (10) are both arranged on the heat preservation water tank (8), and the liquid level gauge (9) is used to detect the temperature of the heat preservation water tank The water level in (8), the 3rd temperature sensor (10) is used for detecting the water temperature in the heat preservation water tank (8), and liquid level meter (9) and the 3rd temperature sensor (10) are all connected with the 3rd microcontroller (12) Connection, the third microcontroller (12) is connected with the solar water heater (11), the water inlet of the solar water heater (11) is connected with the tap water interface (13), and the water outlet of the solar water heater (11) is connected with the user water supply interface (14) . 2. A kind of intelligent control photovoltaic photothermal integrated device according to claim 1, characterized in that, the first microcontroller (2), the second microcontroller (7) and the third microcontroller ( 12) All adopt C8051F020 single-chip microcomputer. 3. An intelligently regulated photovoltaic photothermal integrated device according to claim 1, characterized in that, the first temperature sensor (3), the second temperature sensor (4) and the third temperature sensor (10) are all It adopts DS18B20 digital temperature sensor with stainless steel package and waterproof function. 4. An intelligently regulated photovoltaic photothermal integrated device according to claim 1, characterized in that the electric energy output end of the photovoltaic cell panel (5) is connected to a solar water heater (11).