CN108458504B - Solar energy integration system suitable for rural building - Google Patents

Abstract

The invention discloses a solar energy integration system suitable for rural buildings, which adopts the technical scheme that the solar energy integration system comprises a solar water heater and a solar power generation system which are arranged on a roof, wherein the solar power generation system comprises a solar photovoltaic panel, a bracket for supporting the solar photovoltaic panel and a photovoltaic panel traction mechanism. The invention has the beneficial effects that: the solar water heater has the advantages that the design is reasonable, the structure is simple, and the solar energy is more reasonably distributed and utilized through the solar photovoltaic panel with the adjustable position, so that the solar power generation system and the solar water heater are positioned in the same space without influencing the original functions of the solar power generation system and the solar water heater; in addition, the problem that the aging of internal equipment of the solar water heater is accelerated due to overhigh water temperature is avoided.

Description

A solar energy integrated system suitable for rural buildings

This case is a divisional application. The name of the invention of the original application is: A solar energy system for rural buildings. The application date of the original application is: 2016-07-01, and the application number of the original application is: 2016105080336.

technical field

The invention belongs to the technical field of new energy application, and in particular relates to a solar energy integrated system suitable for rural buildings.

Background technique

With the rise of new energy technology, especially the use of solar energy more and more widely, especially in rural buildings, because of sufficient sunlight, technologies such as solar water heaters and solar power generation have been well promoted. The necessary components are indispensable, but traditional solar photovoltaic panels occupy a large area, and because of rural living and production habits, it is often necessary to dry the harvested crops on the roof. In addition, the solar water heater itself also brings great benefits to life. Great convenience, but solar power generation and solar water heaters make the roof space, which is not wide, very tight. However, because of the abundant sunlight in rural areas, the water temperature in the solar water heater is often close to or reaches the boiling point. However, due to the problems of the water heater itself, the water in the water heater is not drinkable and can only be used for cleaning water. The temperature of 46 degrees is enough for ordinary people to use, and it is also a disguised waste of energy.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a solar energy integrated system suitable for rural buildings.

The inventive idea of the present invention is as follows: the temperature of the solar water heater is controlled by the main controller, and the position of the solar photovoltaic panel is controlled by the photovoltaic panel traction mechanism, so that the solar charging system and the solar water heater share the same space.

A solar energy integrated system suitable for rural buildings, comprising a main body of a house, a solar water heater and a solar power generation system arranged on the roof, the solar power generation system comprising a solar photovoltaic panel, a solar charge and discharge controller, a battery pack, The inverter, the DC load and the AC load also include a bracket for supporting the solar photovoltaic panel and a photovoltaic panel traction mechanism; the specific connection and working methods of the solar water heater and the solar power generation system are the prior art, which will not be repeated here. .

The support includes several vertical rods fixedly connected with the roof, the bottom ends of the vertical rods are fixedly connected with the top of the house, and the top of the vertical rods is provided with a horizontal rod as a support frame, and the support also includes a connection with the roof. horizontal rods are connected to several oblique support rods parallel to the solar photovoltaic panels, and slide rails for the solar photovoltaic panels to move up and down are provided on the outside of the support rods;

The upper end of the solar photovoltaic panel is fixedly connected with the photovoltaic panel traction mechanism;

The solar water heater, the solar power generation system and the photovoltaic panel traction mechanism are all connected with the main controller to form a control loop.

Preferably, the bottom of the solar photovoltaic panel is provided with a support rod corresponding to the support rod, the upper end of the bottom of the support rod is provided with a roller, and the slide rail is a "convex"-shaped chute opened on the support rod, The roller includes a roller body and a roller bracket, the roller body is attached to the wider part of the lower part of the "convex"-shaped chute, and the roller bracket is attached to the narrower part of the upper part of the "convex"-shaped chute. combine.

Preferably, the photovoltaic panel traction mechanism includes an air bag and an air pump, the air bag is composed of several strip air bags, and includes a transverse air bag fixedly connected to the cross bar, and a traction air bag disposed on the upper side of the support bar. One end of the traction airbag is fixedly connected with the transverse airbag and the two are internally connected, and the other end is fixedly connected with the solar photovoltaic panel and this end is a closed end. Connected with the air pump, the air pump adopts an air pump with functions of inflating, maintaining pressure and pumping air, and a solenoid valve is arranged on the connecting pipe. The advantage of using an airbag as a traction mechanism is that the structure of the airbag itself is very simple and does not require pulleys and other devices. Compared with the combination of the wire rope and the hoist, the equipment is less prone to wear and tear. In addition, because the device is installed in the open air , In addition, the rural roofs are often dried and dried, so there are often dead leaves, dead branches, and flying grain husks and other debris. Using the airbag as a traction mechanism will not cause poor working conditions due to these debris.

Preferably, the photovoltaic panel pulling mechanism further includes an electric wire take-up, and the wires of the solar photovoltaic panel are wound on the electric wire take-up.

Preferably, the upper end of the support rod is provided with a roller, and the lower end is provided with a positioning device. The positioning device is composed of two side plates and a horizontal plate in the middle to form an "H" shape. The outer surface is fixedly connected, the lower groove is divided into two parts, the upper part is the positioning part, the lower part is the opening part, the inner surface of the positioning part is fit with the outer surface of the support rod, the lower part of the opening part, its longitudinal section is Isosceles trapezoid, the bottom edge of the trapezoid is slightly larger than the spacing between the two sides of the support rod, and the top edge is equal to the spacing between the two sides of the support rod.

Preferably, the bottoms of the two side plates of the positioning device are arc-shaped.

Preferably, several rollers are arranged in the middle part of the support rod except the roller and the positioning device.

Preferably, the support rod is divided into two parts, the upper part is an inclined part parallel to the solar photovoltaic panel, one end of the inclined part is connected with the horizontal rod, and the other end extends to the edge of the roof, The lower part of the support rod is a vertical part, the vertical part is a section of vertical rod, the vertical rod is parallel to the wall and fixedly connected, the lower end of the vertical part is closed, and the upper end is connected to the end of the inclined part connect.

Preferably, the airbag includes an outer layer and an inner bladder, the interior of the outer layer is a cavity, the inner bladder is communicated with the connecting pipe, the inner bladder is made of elastic material, and the outer layer is a fiber Fabric, the outer layer of the traction airbag is provided with a skeleton of soft metal wires.

Preferably, a temperature sensor is provided in the solar water heater, the temperature sensor is data-connected with the main controller, and the water temperature data in the solar water heater is transmitted to the main controller, and the main controller communicates with the main controller. The air pump, the solenoid valve and the electric wire take-up are connected to form a control loop, and the main controller is also connected with an external temperature sensor. The main controller is provided with a clock module.

The photovoltaic panel traction mechanism uses commercial power as a power supply source.

A solar energy distribution method suitable for a solar energy integrated system in rural buildings. First, the main controller determines the current water temperature in the solar water heater every morning. When the water temperature is lower than or equal to a preset temperature, the main controller controls the air pump. Open the inflation link and inflate the airbag of the photovoltaic panel traction mechanism. During the process of airbag expansion, the photovoltaic panel is pushed to the side of the house by the airbag; when the water temperature in the solar water heater is greater than the preset temperature, the main controller controls the air pump to open the air extraction process. , the air in the air bag of the photovoltaic panel traction mechanism is taken away, the air bag shrinks, and the solar photovoltaic panel is moved up along the bracket, and the solar photovoltaic panel is returned to the top of the roof.

When the outside temperature sensor senses the temperature below zero, the main controller determines that the water temperature in the solar water heater is increased by 5 degrees Celsius.

The water temperature in the solar water heater is preset to 47 degrees.

When the invention is used, the temperature sensor in the solar water heater transmits the temperature data to the main controller. After the main controller determines that the water temperature is lower than or equal to the preset value, it starts the inflation function of the air pump of the photovoltaic panel traction mechanism, and the air pump starts to inflate the air bag. , the expansion force of the airbag pushes the photovoltaic panel, the photovoltaic panel moves down along the slide rail to the side of the house, and leaves the roof area so that the solar water heater is completely exposed to the sun; when the main controller determines that the water temperature is higher than the preset value, it starts the photovoltaic panel traction The air pump of the mechanism starts to pump air out from the air bag, and the force of the air bag contraction drives the photovoltaic panel to move to the roof area, and the solar power generation mechanism is in a relatively good lighting environment.

Through experiments, the beneficial effects of the present invention are that the design is reasonable and the structure is simple, and the solar photovoltaic panel with adjustable position can distribute and utilize the solar energy more reasonably, so that the solar power generation system and the solar water heater are located in the same space without affecting the two In addition, it avoids the problem of accelerated aging of the internal equipment caused by the high water temperature of the solar water heater.

Description of drawings

FIG. 1 is a schematic diagram of a state where a solar photovoltaic panel is located on a roof according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the state where the solar photovoltaic panel is located on one side of the roof according to an embodiment of the present invention.

3 is an isometric view of a solar photovoltaic panel according to an embodiment of the present invention.

FIG. 4 is a front view of a solar photovoltaic panel according to an embodiment of the present invention.

FIG. 5 is a rear view of a solar photovoltaic panel according to an embodiment of the present invention.

6 is a bottom view of a solar photovoltaic panel according to an embodiment of the present invention.

FIG. 7 is a schematic block diagram of an embodiment of the present invention.

FIG. 8 is a front view of a positioning device according to an embodiment of the present invention.

FIG. 9 is a side view of a positioning device according to an embodiment of the present invention.

Wherein, the reference signs are: 1. Solar photovoltaic panel; 2. Bracket; 3. Support rod; 4. Slide rail; 5. Lateral airbag; 6. Traction airbag; 11. Support rod; ; 14. Roller; 20. Solar water heater.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Example 1

Referring to FIGS. 1 to 9 , the present invention is a solar energy integrated system suitable for rural buildings, including a house body, a solar water heater 20 and a solar power generation system arranged on the roof, and the solar power generation system includes solar photovoltaic panels 1 connected in sequence. , solar charge and discharge controller, battery pack, inverter, DC load and AC load, and also includes a bracket 2 for supporting the solar photovoltaic panel 1 and a photovoltaic panel traction mechanism;

The bracket 2 includes several vertical rods that are fixedly connected to the roof, the bottom end of the vertical rod is fixedly connected to the top of the house, and the top of the vertical rod is provided with a horizontal rod as a support frame. The bracket 2 also includes a horizontal rod connected to the solar photovoltaic panel. 1. Several parallel oblique support rods 3, and the outer side of the support rods 3 is provided with a slide rail 4 for the solar photovoltaic panel 1 to move up and down;

The upper end of the solar photovoltaic panel 1 is fixedly connected with the photovoltaic panel traction mechanism;

The solar water heater 20, the solar power generation system, and the photovoltaic panel traction mechanism are all connected to the main controller to form a control loop.

The bottom of the solar photovoltaic panel 1 is provided with a support rod 11 corresponding to the support rod 3, the upper end of the bottom of the support rod 11 is provided with a roller 12, the slide rail 4 is a "convex" shaped chute opened on the support rod 3, and the roller 12 includes a roller body and a roller body. For the roller bracket, the roller body is fitted with the wider part of the lower part of the "convex"-shaped chute, and the roller bracket is fitted with the narrower part of the upper part of the "convex"-shaped chute.

The photovoltaic panel traction mechanism includes an airbag and an air pump. The airbag includes a transverse airbag 5 fixedly connected to the crossbar, and a traction airbag 6 arranged on the upper side of the support rod 3. One end of the traction airbag 6 is fixedly connected with the transverse airbag 5 and the two are internally connected, and the other One end is fixedly connected with the solar photovoltaic panel 1 and this end is a closed end, the two ends of the transverse air bag 5 are closed, and the middle side is connected with the air pump through a connecting pipe. valve.

The photovoltaic panel traction mechanism also includes an electric wire take-up, on which the wires of the solar photovoltaic panel 1 are wound.

The upper end of the support rod 11 is provided with a roller 12, and the lower end is provided with a positioning device 13. The positioning device 13 is composed of two side plates and a horizontal plate in the middle to form an "H" shape, and the inner surface of the upper groove is fixedly connected with the outer surface of the support rod 11. , the lower groove is divided into two parts, the upper part is the positioning part, the lower part is the opening part, the inner surface of the positioning part is in contact with the outer surface of the support rod 3, the lower part of the opening part, its longitudinal section is an isosceles trapezoid, the trapezoid bottom The side is slightly larger than the distance between the two sides of the support rod 3 , and the top side is equal to the distance between the two sides of the support rod 3 .

The bottoms of the two side plates of the positioning device 13 are arc-shaped.

A number of rollers 14 are arranged in the middle part of the support rod 11 except for the roller 12 and the positioning device 13 .

The support rod 3 is divided into two parts. The upper part is an inclined part parallel to the solar photovoltaic panel 1. One end of the inclined part is connected to the horizontal rod, and the other end extends to the edge of the roof. The lower part of the support rod 3 is a vertical part. The straight part is a section of vertical rod, the vertical rod is parallel to the wall surface and is fixedly connected, the lower end of the vertical part is closed, and the upper end is connected with the end of the inclined part. When the solar photovoltaic panel 1 moves down along the inclined surface of the support rod 3, after its lower end reaches the corner of the support rod 3, the positioning device 13 is separated from the slide rail. Under the action, it becomes a vertical state. At this time, the positioning device 13 will be clamped to the support rod 3 again. Because of the opening part at the bottom of the structure of the positioning device 13 , it can be more easily clamped to the outside of the support rod 3 . The curved bottom of the positioning device 13 and the rollers 14 make it easier for the solar photovoltaic panel 1 to pass through the corner portion of the support rod 3 .

The corner portion of the support rod 3 is rounded.

The airbag includes an outer layer and an inner bladder, the interior of the outer layer is a cavity, the inner bladder is communicated with the connecting pipe, the inner bladder is made of elastic material, the outer layer is a fiber fabric, and the outer layer of the traction airbag 6 is provided with a soft metal wire. skeleton. The skeleton of the soft metal wire runs through the middle of the outer layer, and the soft metal wire can be made of thin iron wire to enhance the overall strength of the airbag.

The solar water heater 20 is provided with a temperature sensor, the temperature sensor is connected with the main controller for data, and the water temperature data in the solar water heater 20 is transmitted to the main controller. The main controller is connected with the air pump, the solenoid valve, and the electric wire take-up to form a control loop , the main controller also works with an external temperature sensor. There is a clock module in the main controller.

The photovoltaic panel traction mechanism uses the city power as the power supply source.

A solar energy distribution method for a solar energy integrated system suitable for rural buildings. First, the main controller determines the current water temperature in the solar water heater at 8:00 every morning. When the water temperature is lower than or equal to a preset temperature, the main controller controls The air pump opens the inflation link to inflate the air bag of the photovoltaic panel traction mechanism. During the process of air bag expansion, the photovoltaic panel is pushed to the side of the house by the air bag; when the water temperature in the solar water heater is greater than the preset temperature, the main controller controls the air pump to open and pump air In the link, the air in the air bag of the photovoltaic panel traction mechanism is evacuated, the air bag shrinks, and the solar photovoltaic panel is moved up along the bracket, and the solar photovoltaic panel is returned to the top of the roof. When the outside temperature sensor senses the temperature below zero, the main controller determines that the water temperature in the solar water heater is increased by 5 degrees Celsius. The preset temperature of the water temperature in the solar water heater is set to 47 degrees Celsius. The water temperature of 47 degrees is the water temperature that the solar water heater is relatively easy to reach, and as a human body, the average person already feels hot when the water temperature exceeds 42 degrees, and children take a bath. Generally speaking, the temperature can be controlled at 38 degrees to 40 degrees; after reaching 47 degrees, the solar photovoltaic panel 1 is reset to the top of the roof, and the thermal insulation effect of the solar water heater itself can still ensure that the internal water temperature can meet the needs of people.

The undescribed technical features of the present invention can be realized by or using the existing technology, and will not be repeated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Those skilled in the art Changes, modifications, additions or substitutions made within the essential scope of the present invention shall also belong to the protection scope of the present invention.

Claims (7)

1. A solar energy integration system suitable for rural buildings comprises a house main body, a solar water heater (20) and a solar power generation system, wherein the solar water heater and the solar power generation system are arranged on the roof, the solar power generation system comprises a solar photovoltaic panel (1), a solar charging and discharging controller, a storage battery pack, an inverter, a direct current load and an alternating current load which are sequentially connected, and the solar energy integration system is characterized by further comprising a support (2) and a photovoltaic panel traction mechanism, wherein the support (2) is used for supporting the solar photovoltaic panel (1);

the support (2) comprises a plurality of vertical rods fixedly connected with a roof, the bottom ends of the vertical rods are fixedly connected with the roof of a house, horizontal rods are arranged at the top ends of the vertical rods and used as supporting frames, the support (2) further comprises a plurality of inclined supporting rods (3) which are connected with the horizontal rods and parallel to the solar photovoltaic panel (1), and sliding rails (4) for the solar photovoltaic panel (1) to move up and down are arranged on the outer sides of the supporting rods (3);

the photovoltaic panel traction mechanism comprises an air bag and an air pump, the air bag comprises a transverse air bag (5) fixedly connected with the horizontal rod and a traction air bag (6) arranged on the upper side of the support rod (3), one end of the traction air bag (6) is fixedly connected with the transverse air bag (5) and is communicated with the inside of the transverse air bag and the inside of the transverse air bag, the other end of the traction air bag is fixedly connected with the solar photovoltaic panel (1), the end of the traction air bag is a closed end, two ends of the transverse air bag (5) are closed, one side of the middle of the transverse air bag is connected with the air pump through a connecting pipe, the air pump adopts an air pump with the;

the solar energy distribution method of the solar energy integration system comprises the following specific steps:

firstly, judging the current water temperature in the solar water heater by a main controller every morning, controlling an air pump to start an inflation link by the main controller when the water temperature is lower than or equal to a preset temperature, inflating an air bag of a photovoltaic panel traction mechanism, and pushing the photovoltaic panel to the side face of a house by the air bag in the expansion process of the air bag; when the temperature of water in the solar water heater is higher than a preset temperature, the main controller controls the air pump to start an air pumping link, air in an air bag of the photovoltaic panel traction mechanism is pumped away, the air bag contracts to drive the solar photovoltaic panel to move upwards along the support, and the solar photovoltaic panel returns to the upper part of the roof; when the sensing temperature of the external temperature sensor is below zero, the main controller judges that the water temperature in the solar water heater is increased by 5 ℃.

2. The solar energy integration system according to claim 1, wherein a support rod (11) is arranged at the bottom of the solar photovoltaic panel (1) and corresponds to the support rod (3), a roller (12) is arranged at the upper end of the bottom of the support rod (11), the slide rail (4) is a convex chute formed on the support rod (3), the roller (12) comprises a roller body and a roller bracket, the roller body is attached to a wider part of the lower part of the convex chute, and the roller bracket is attached to a narrower part of the upper part of the convex chute; the utility model discloses a solar photovoltaic roof, including bracing piece (3), top part and solar photovoltaic board (1), bracing piece (3) divide into two parts, the top part with the parallel slope part of solar photovoltaic board (1), slope part one end with the horizon bar is connected, and the other end extends to the edge of roof, the lower part of bracing piece (3) is vertical portion, vertical portion is one section vertical pole, and vertical pole is parallel and fixed connection with the wall, vertical portion lower extreme seals, the upper end with the end connection of slope part.

3. The solar energy integration system according to claim 1 or 2, wherein the airbag comprises an outer layer and an inner container, a cavity is formed in the outer layer, the inner container is communicated with the connecting pipe, the inner container is made of elastic materials, the outer layer is made of fiber fabrics, and a framework made of soft metal wires is arranged in the outer layer of the traction airbag (6).

4. Solar energy integration system according to claim 3, characterized in that the photovoltaic panel traction means further comprise an electric spooler on which the electric wires of the solar photovoltaic panel (1) are wound.

5. The solar energy integration system according to claim 2, wherein the supporting rod (11) is provided at an upper end thereof with a roller (12), and at a lower end thereof with a positioning device (13), the positioning device (13) is formed into an "H" shape by two side plates and a middle transverse plate, an inner surface of an upper groove is fixedly connected with an outer surface of the supporting rod (11), a lower groove is divided into two parts, the upper part is a positioning part, the lower part is an opening part, the inner surface of the positioning part is attached to the outer surface of the supporting rod (3), the longitudinal section of the opening part at the lower part is an isosceles trapezoid, the bottom side of the trapezoid is slightly larger than the distance between the two side edges of the supporting rod (3), and the top side is equal to the distance between the.

6. Solar energy integration system according to claim 5, characterized in that the two lateral plate bottoms of the positioning device (13) are arc-shaped.

7. The solar energy integration system according to claim 4, wherein a temperature sensor is arranged in the solar water heater (20), the temperature sensor is in data connection with the main controller, the temperature data of the water in the solar water heater (20) is transmitted to the main controller, the main controller is connected with the air pump, the electromagnetic valve and the electric wire winder to form a control loop, and the main controller is further electrically connected with an external temperature sensor.

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