CN208094263U - A kind of heating of solar energy ground temperature and illumination coupled system - Google Patents

Abstract

A kind of solar energy ground temperature heating of the application and illumination coupled system, solar energy equipment, heating device and lighting device, the solar energy equipment are connect with the heating device and the lighting device respectively, for being the heating device and the power illuminating device；The solar energy equipment includes solar panel, accumulator and solar controller, and the solar panel and the accumulator are connect with the solar controller；The heating device includes heating wire and inverter, and the heating wire is connect with the inverter, and the inverter is connect with the accumulator；The lighting device includes headlamp, and the headlamp is connect with the accumulator.

Description

A solar geothermal heating and lighting coupling system

technical field

This application relates to the field of solar energy applications, in particular to a solar geothermal heating and lighting coupling system.

Background technique

Soil is the substrate for plant survival, and suitable soil temperature is one of the basic conditions for plant survival and healthy growth and development. According to many years of practical experience, the plant root system grows actively when the soil temperature is above 10°C. In high-cold and high-altitude areas, low ground temperature is one of the important factors restricting plant growth and development. Due to the high inertia of the soil, more heat is required to increase the ground temperature. The heat is obtained directly from the air and stored in the soil to increase the temperature. The efficiency is very low and it takes a long time. Therefore, in actual production, more methods are to directly lay radiators on the ground and soil to improve the efficiency of soil warming.

At present, most of the geothermal heating devices are directly laying heating pipes or heating cables in the soil ridge, and the construction cost is too high. The heating device is complicated, and the maintenance cost is high. Once it is damaged, it is difficult for non-professionals to repair it and delay its use. Ordinary heating devices consume a lot of resources such as coal and electricity, and the cost is too high, so it is difficult to popularize and apply in actual production.

Contents of the invention

In view of this, this application provides a solar geothermal heating and lighting coupling system, which uses solar energy to provide electrical energy for geothermal heating devices and lighting devices, and reasonably combines to solve the problems of unsuitable plant growth and night lighting caused by low ground temperature in plateau areas.

In order to achieve the above-mentioned purpose, the technical scheme of the embodiment of the present application is realized in this way:

The embodiment of this application discloses a solar geothermal heating and lighting coupling system, including:

a solar device, a heating device and a lighting device, the solar device is respectively connected to the heating device and the lighting device, and is used to supply power to the heating device and the lighting device;

The solar device includes a solar panel, a storage battery and a solar controller, and the solar panel and the storage battery are connected to the solar controller;

The heating device includes a heating wire and an inverter, the heating wire is connected to the inverter, and the inverter is connected to the battery;

The lighting device includes a lighting lamp, and the lighting lamp is connected to the storage battery.

Optionally, the system further includes: a pole, the solar device is installed on the top of the pole, the heating device is installed on the bottom of the pole, and the lighting device is installed on the pole The upper part and the lower part of the solar device.

Optionally, the lighting device further includes: a light pole, the light pole is installed on the upper part of the pole, and the lighting lamp is installed on the end of the light pole.

Optionally, the illuminating lamp includes an LED lamp.

Optionally, the system further includes: a temperature sensor connected to the solar controller and arranged above the heating wire.

Optionally, the battery includes a lead-acid maintenance-free battery.

Optionally, the heating device further includes a leakage protector, one end of the leakage protector is connected to the solar controller, and the other end of the leakage protector is connected to the heating wire.

Optionally, the heating wire is arranged in an S-shaped detour.

Optionally, a heat insulation layer is laid on the lower part of the heating wire, the thickness of the heat insulation layer is 5-10 cm, and the heat insulation layer includes extruded plastic board.

Optionally, a waterproof layer is laid on the lower part of the heat insulation layer, the thickness of the waterproof layer is 20-30 cm, and the waterproof layer includes PVC waterproof coiled material.

A solar ground temperature heating and lighting coupling system of the present application, the system uses solar energy to provide electric energy for the heating device and the lighting device, so that the heating device and the lighting device work, and is used for heating and heating the green belts on both sides of the road in the high-cold and high-altitude areas. Lighting at night to solve the problems that plants on both sides of the road are difficult to survive and affect the healthy growth and development of plants due to low soil temperature in high-cold and high-altitude areas. It can also solve the problem of road lighting at night; and use solar energy to provide electric energy for heating. The cost is low, and ordinary road maintenance personnel can repair it when it is damaged, and the maintenance cost is low.

Description of drawings

Fig. 1 is a schematic structural diagram of a solar geothermal heating and lighting coupling system provided by an embodiment of the present application.

Fig. 2 is a circuit diagram of a solar geothermal heating and lighting coupling system provided by an embodiment of the present application.

In the figure: 1-solar device, 2-heating device, 3-lighting device, 4-solar panel, 5-battery, 6-solar controller, 7-heating wire, 8-inverter, 9-light, 10-support pole, 11-light pole, 12-temperature sensor, 13-leakage protector, 14-heat insulation layer, 15-waterproof layer, 16-support pole base.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. 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 specific implementation manner of the present application will be described below in conjunction with the accompanying drawings.

Figure 1 and Figure 2 disclose a solar geothermal heating and lighting coupling system according to an embodiment of the present application, including:

A solar device 1, a heating device 2 and a lighting device 3, the solar device 1 is respectively connected to the heating device 2 and the lighting device 3, and is used to supply power to the heating device 2 and the lighting device 3;

The solar device 1 includes a solar panel 4, a storage battery 5 and a solar controller 6, and the solar panel 4 and the storage battery 5 are all connected to the solar controller 6;

The heating device 2 includes a heating wire 7 and an inverter 8, the heating wire 7 is connected to the inverter 8, and the inverter 8 is connected to the battery 5;

The lighting device 3 includes a lighting lamp 9 connected to the storage battery 5 .

In the embodiment of the present application, the connection methods of the above-mentioned components include but are not limited to cable connection, and an appropriate connection method is selected according to actual needs, which is not limited in the present application.

In the embodiment of this application, the solar geothermal heating and lighting coupling system is applied to soil heating. Specifically, the heating device 2 is first buried in the soil, and the solar device 1 and the lighting device 3 Placed outside the soil, the solar device 1 can supply power to the heating device 2 and the lighting device 3 through cables to provide electric energy for the heating device 2 and the lighting device 3, and the heating device 2 works Heat can be provided for the soil, and the lighting device 3 can provide illumination when working.

In the embodiment of the present application, the solar cell panel 4 is made using the principle of photovoltaic effect, which can directly convert solar radiation energy into electrical energy, and the solar cell panel 4 can adopt but not limited to a 36V solar cell panel; The solar panel 4 is connected to the solar controller 6, wherein the solar controller 6 is called a solar charge and discharge controller, which is used in a solar power generation system to control the charging of the storage battery by the multi-channel solar battery array and the charging of the storage battery. The automatic control equipment of solar inverter load power supply, the solar controller 6 controls the solar panel 4 to charge the storage battery 5, so that the system can be applied in the alpine region, which can avoid the The leakage of the permeate of the accumulator 5 can also improve the sensitivity of the electrical components. The accumulator 5 can adopt but not limited to a 12V lead-acid maintenance-free accumulator. The generated electric energy is stored and used to supply power to the heating device 2 and the lighting device 3. In order to achieve better power storage and power supply effects, three or more storage batteries 5 can be provided.

In the embodiment of the present application, the heating device 2 includes a heating wire 7 and an inverter 8, the heating wire 7 is connected to the inverter 8, the inverter 8 is connected to the battery 5, and the heating wire 7 is connected to the inverter 8. The electricity provided by the storage battery 5 to the heating wire 7 is direct current, which cannot be directly used by the heating wire 7. Therefore, the inverter 8 is installed between the storage battery 5 and the heating wire 7 to realize direct current to alternating current. The inverter 8 can adopt a DC-AC inverter, and the inverter 8 converts the received direct current released by the storage battery 5 into the alternating current required by the heating wire 7; for example: setting 3 A 12V lead-acid maintenance-free storage battery can provide 36V direct current, and the inverter 8 can convert the 36V direct current into the 220V alternating current required by the heating wire 7 to ensure the normal operation of the heating wire 7.

In the embodiment of the present application, the heating wire 7 can be made of nickel-chromium alloy or carbon fiber. The heating wire 7 is preferably made of glass fiber material with strong rigidity, good chemical resistance, high heat resistance and low price, and the specification can be 50 meters and 400 watts.

In the embodiment of the present application, the heating device 2 may not only use the electric heating wire 7 to heat the soil, but also use ground heating, heating film and other methods to heat the soil.

In the embodiment of the present application, the storage battery 5 can also supply power to the lighting device 3, so that the heating device 2 can be used to heat the soil while the lighting device 3 can also be used to provide daily nighttime lighting requirements. It can be used for one thing and has good economic, social and ecological value.

In the embodiment of the present application, solar energy is used to provide electric energy for the heating device and the lighting device, so that the heating device and the lighting device work, and are used to heat and illuminate the green belts on both sides of the road in the high-cold and high-altitude areas to solve the problem of The low soil temperature makes it difficult for plants on both sides of the road to survive, affects the healthy development and growth of plants, and can also solve the problem of lighting the road at night; and uses solar energy to provide electrical energy to the heating device 2, and the cost of heating the soil is relatively low , and ordinary road maintenance personnel can repair it when it is damaged, and the maintenance cost is low.

In the embodiment of the present application, the solar ground temperature heating and lighting coupling system further includes: a pole 10, the solar device 1 is installed on the top of the pole 10, and the heating device 2 is installed on the top of the pole 10 At the bottom end, the lighting device 3 is installed on the upper part of the pole 10 and is located below the solar device 1 .

In the embodiment of the present application, the pole 10 is supported by the soil, and the lower part is buried in the soil, and the solar device 1 is installed on the top of the pole 10 to facilitate the solar panel 4 in the solar device 1 to absorb sunlight , the pole 10 should be as long as possible, the higher the solar device 1 is set, the more sufficient the sunlight absorbed by the solar panel 4 will be, and the possibility of other items blocking the solar device 1 will be reduced, Ensure that the solar panel 4 can receive the best light.

In the embodiment of the present application, in order to further increase the stability of the pole 10, a pole base 16 can be provided at the bottom of the pole 10, and the pole base 16 is buried in the soil. 10 is installed in the pole base 16, when the solar device 1 at the top of the pole 10 fails and needs to be repaired, only the pole 10 needs to be pulled out from the pole base 16 for maintenance. That is, the operation is simple and convenient, and saves time and effort.

In the embodiment of the present application, the lighting device further includes: a light pole 11 installed on the upper part of the pole 10 , and the lighting lamp 9 is installed at the end of the light pole 11 .

In the embodiment of the present application, the lighting lamp 9 can be an LED lamp, which is energy-saving and environmentally friendly, and the light pole 11 is installed on the upper part of the pole 10, which can increase the illuminated area of the lighting lamp 9 at night, thereby The installation quantity of lighting devices can be reduced, and the quality of the illumination brightness of the lighting lamp 9 will not be reduced while reducing the cost.

In the embodiment of the present application, the solar ground temperature heating and lighting coupling system may also include a leakage protector 13, the leakage protector 13 is arranged in the soil, and one end of the leakage protector 13 is connected to the solar controller 6, and the other end of the leakage protector 13 is connected to the heating wire 7.

In the embodiment of the present application, in order to prevent the electric heating wire 7 from short-circuiting or leakage caused by failure, a leakage protector 13 is installed in the heating device 2, and one end of the leakage protector 13 is connected to the The solar controller 6 is connected, and the other end of the leakage protector 13 is connected with the heating wire 7 through a cable. When a short circuit or leakage occurs in the heating wire 7, the leakage protector 13 starts to work, and the leakage protection The device 13 transmits a signal to the solar controller 6, and the solar controller 6 can control the battery 5 to stop supplying power to the heating wire 7 after receiving the signal, so as to avoid accidents and facilitate staff inspection and maintenance. , a higher safety factor.

In the embodiment of the present application, the solar ground temperature heating and lighting coupling system may also include a temperature sensor 12, and other more accurate temperature detection devices may also be provided. The temperature sensor 12 is set in the soil and located between the heating wire 7 Above, the temperature sensor 12 is connected with the solar controller 6 through a cable.

In the embodiment of the present application, if the heating wire 7 continues to heat the soil, if the heat in the soil is too high, it will cause the plants growing in the soil to die due to the high heat, resulting in loss. Therefore, in the soil A temperature sensor 12 is installed above the heating wire 7, and the temperature sensor 12 is connected with the signal input end of the solar controller 6, when the temperature sensor 12 detects that the heating wire 7 is transmitted to the soil When the heat reaches the highest value of the heat received by the plants in the soil, the temperature sensor 12 will send a signal to the solar controller 6, and the solar controller 6 controls the battery 5 to stop supplying power to the heating wire 7, so The heating wire 7 stops heating until the temperature sensor 12 detects that the temperature in the soil drops to a preset threshold, for example, when the temperature sensor 12 sends a signal to the solar controller 6 again, and the solar The controller 6 controls the battery 5 to continue to supply power to the heating wire 7, the heating wire 7 starts to work, generates heat, and continues to heat the soil, and the temperature sensor 12 can detect the temperature in the soil in real time to ensure Plants in the soil have a good living environment.

In the embodiment of the present application, the heating wire 7 may adopt an S-shaped detour arrangement.

The heating device 2 is arranged directly below the root system of the plants in the soil, so as to heat the soil planted with plants. If the heating wire 7 is buried in the soil in a straight line for power supply, the heating area of the heating wire 7 is small, The area where the soil receives heat is uneven, some places have less heat, some places have more heat, and the heat transfer efficiency in the soil is low, which will cause the growth environment of the plants in the soil to be unstable, making it difficult for plants to survive or affecting the healthy growth of plants; In this application, the heating wire 7 adopts an S-shaped circuitous arrangement, which can effectively increase the contact area between the heating wire 7 and the soil, improve the heating efficiency of the heating wire 7 to the soil, and make the heat even in the soil, which is beneficial to the plants on the soil surface. healthy growth.

In the embodiment of the present application, a heat insulation layer 14 is laid on the lower part of the heating wire 7, the thickness of the heat insulation layer 14 is 5-10 cm, and the heat insulation layer 14 includes extruded plastic board.

In order to ensure that the heat of the heating wire 7 is effectively transmitted upwards, directly to the soil, to provide heat for the roots of plants planted in the soil, to reduce the heat of the heating wire 7 to be transmitted downwards, and to be lost in the deep layer of the soil, for The heat insulating layer 14 is laid on the bottom of the heating wire 7 to prevent the heat from being transmitted downwards. The thickness of the heat insulating layer 14 can be 5-10 cm, preferably 8 cm, which can block the heat transfer. The heat of the heating wire 7 is transferred downwards without increasing the cost of the heat-insulating layer 14 because it is too thick, and the heat-insulating layer 14 adopts an extruded board with good thermal insulation and compression resistance, which can ensure the lasting heat of the upward direction. and stability.

In the embodiment of the present application, a waterproof layer 15 is laid on the lower part of the heat insulation layer 14, the thickness of the waterproof layer 15 is 20-30 cm, and the waterproof layer 15 includes PVC waterproof coiled material.

In order to prevent the groundwater in the soil from rising to destroy the heat insulation effect of the heat insulation layer 14, the waterproof layer 15 is laid on the bottom of the heat insulation layer 14, and the waterproof layer 15 is laid at a distance from the heat insulation layer 14. At the position of about 5cm, the thickness of the waterproof layer 15 is 20-30cm, preferably 30cm, and the waterproof layer 15 adopts a PVC waterproof coiled material with chemical corrosion resistance and good water vapor diffusivity, so as to improve the thickness of the waterproof layer 15. The service life of the waterproof layer 15 reduces costs, and is environmentally friendly and pollution-free.

The solar geothermal heating and lighting coupling system of this application can be applied in soil to realize soil heating, and can also be applied in other media to heat it, which is not limited in this application.

In the embodiment of the present application, the solar controller 6 utilizes a computer chip to calculate through a special control model to realize the discharge rate and high accuracy rate control in line with the characteristics of the storage battery 5, and adopts a high-efficiency PWM charging mode (pulse width modulation (Pulse Width Modulation, abbreviated as PWM), referred to as pulse width modulation, is a very effective technology that uses the digital output of a microprocessor to control analog circuits, and is widely used in measurement, communication, power control and conversion. In many fields. An advantage of pulse width modulation is that the signal from the processor to the controlled system is in digital form, without the need for digital-to-analog conversion), to ensure that the storage battery 5 works in the best state, and greatly extend the storage battery 5 service life. The function of the solar controller 6 is to control the working state of the entire solar street lamp system and the solar heating system. It has light control, time control, temperature control, dimming, and controls the heating time of the heating wire 7 to prevent the heating wire 7 Leakage and other functions. In places where the temperature difference is large, the selected solar controller 6 should also have the function of temperature compensation and the reverse connection protection of the solar panel 4, the reverse connection protection of the storage battery 5, the open circuit protection of the storage battery 5, and nighttime protection. Reverse charge protection, output short circuit protection, etc. The solar controller 6 is equipped with an automatic power adjustment controller, which is specially designed for solar DC power supply systems and solar DC street lamp systems, and uses an intelligent controller with a dedicated computer chip. The solar controller 6 has a unique constant current control output The method is more advanced and more efficient than the constant current control method realized by the traditional analog circuit. When the capacity of the storage battery 5 drops to 75%, the solar controller 6 will automatically reduce the output current and stop when it finally drops to 25% of the total current until the storage battery 5 is under low-power protection, which can be used at a lower configuration. In the case of continuous rainy days to ensure lighting and heating, and reduce the overall cost. The solar controller 6 has full functions such as short circuit protection, overload protection, overcharge protection, overdischarge protection and its automatic recovery, and detailed charging instructions, storage battery status, load and alarm instructions. The inside of the solar controller 6 is filled with special heat-conducting silica gel, which can play a good waterproof role.

Referring to Fig. 1 and Fig. 2, a solar geothermal heating and lighting coupling system according to an embodiment of the present application includes: solar panel 4, storage battery 5, solar controller 6, inverter 8, heating wire 7 and LED street lamp 9 ;

Both the solar cell panel 4 and the storage battery 5 are connected to the solar controller 6, and the solar cell panel 4 is connected to the storage battery 5;

The heating wire 7 is connected to the inverter 8, and the inverter 8 is connected to the battery 5;

The LED street lamp 9 is connected to the storage battery 5 .

In the embodiment of the present application, the connection methods of the above-mentioned components include but are not limited to cable connection, and an appropriate connection method is selected according to actual needs, which is not limited in the present application.

In the embodiment of the present application, solar energy is used to provide electric energy for the heating wire 7 and the LED street lamp 9, so that the heating wire 7 and the LED street lamp 9 work, and are used to protect the green belts on both sides of the road in the cold and high altitude area. Heating and lighting at night to solve the problems of plants on both sides of the road that are difficult to survive due to low soil temperature in high-cold and high-altitude areas, affecting the healthy development and growth of plants, and can also solve the problem of road lighting at night.

Using the solar geothermal heating and lighting coupling system in the above embodiment in cold plateau areas can effectively use solar energy as a heating source, which is a clean and environmentally friendly renewable energy source; Combined, it can make full use of solar energy to achieve power generation lighting and soil heating for the green belt around the street lamp, which not only solves the problem of lighting on both sides of the road in plateau areas, but also solves the limitations and shortcomings of traditional geothermal heating devices. Solve the unsuitable tree growth phenomenon caused by the low ground temperature in plateau areas. At the same time, solar energy, as a clean energy source, can protect the fragile ecological environment in plateau areas and achieve the unity of economic benefits, social benefits and ecological benefits; and the atmosphere in plateau areas is thin and Clean, good transparency, strong solar radiation, long sunshine hours, most suitable for solar power generation. As a renewable energy source, solar energy is getting more and more attention because of its safety, environmental protection, energy saving, and cleanliness. Solar street lights and roadside green belts can be designed as a street greening system. This application can use solar energy to achieve roadside lighting and at the same time It can also realize soil heating and realize full utilization of energy.

The preferred specific implementations and examples of the present application have been described in detail above in conjunction with the accompanying drawings, but the application is not limited to the above-mentioned implementations and examples. Within the scope of knowledge of those skilled in the art, you can also Various changes are made to the premise of the application concept.

Claims (10)

1. a kind of solar energy ground temperature heating and illumination coupled system, which is characterized in that including：

Solar energy equipment (1), heating device (2) and lighting device (3), the solar energy equipment (1) fill with the heating respectively (2) and the lighting device (3) connection are set, for powering for the heating device (2) and the lighting device (3)；

The solar energy equipment (1) includes solar panel (4), accumulator (5) and solar controller (6), the sun Energy solar panel (4) and the accumulator (5) are connect with the solar controller (6)；

The heating device (2) includes heating wire (7) and inverter (8), and the heating wire (7) connect with the inverter (8), The inverter (8) connect with the accumulator (5)；

The lighting device (3) includes headlamp (9), and the headlamp (9) connect with the accumulator (5).

2. a kind of solar energy ground temperature heating according to claim 1 and illumination coupled system, which is characterized in that further include： Strut (10), the solar energy equipment (1) are mounted on the top of the strut (10), and the heating device (2) is mounted on described The bottom end of strut (10), the lighting device (3) are mounted on the top of the strut (10) and are located at the solar energy equipment (1) Lower section.

3. a kind of solar energy ground temperature heating according to claim 2 and illumination coupled system, which is characterized in that the illumination Device (3) further includes：Lamp stand (11), the lamp stand (11) are mounted on the top of the strut (10), headlamp (9) installation End in the lamp stand (11).

4. a kind of solar energy ground temperature heating according to claim 2 and illumination coupled system, which is characterized in that the illumination Lamp (9) includes LED light.

5. a kind of solar energy ground temperature heating according to claim 1 and illumination coupled system, which is characterized in that further include： Temperature sensor (12), the temperature sensor (12) connect with the solar controller (6) and are arranged in the heating wire (7) top.

6. a kind of solar energy ground temperature heating according to claim 1 and illumination coupled system, which is characterized in that the electric power storage Pond (5) includes plumbic acid maintenance-free accumulator.

7. a kind of solar energy ground temperature heating according to claim 1 and illumination coupled system, which is characterized in that the heating Device (2) further includes earth leakage protective device (13), and one end and the solar controller (6) of the earth leakage protective device (13) connect It connects, the other end of the earth leakage protective device (13) is connect with the heating wire (7).

8. a kind of heating of solar energy ground temperature and illumination coupled system, feature according to claim 1 or 7 any one exist In the heating wire (7) is arranged using S type detours.

9. a kind of heating of solar energy ground temperature and illumination coupled system, feature according to claim 1 or 7 any one exist In the lower part of the heating wire (7) is equipped with thermal insulation layer (14), and thermal insulation layer (14) thickness is 5~10cm, the thermal insulation layer (14) include extruded sheet.

10. a kind of solar energy ground temperature heating according to claim 9 and illumination coupled system, which is characterized in that it is described every Thermosphere (14) lower part is equipped with waterproof layer (15), and the thickness of the waterproof layer (15) is 20~30cm, waterproof layer (15) packet Include PVC waterproof rolls.