CN202722161U - Solar greenhouse water curtain system - Google Patents

Abstract

The utility model mainly relates to a solar greenhouse water curtain system, which belongs to the technical field of agricultural facilities and is composed of a water circulation system, a sunlight board, a plastic film and a water storage pool; The water pump located in the reservoir, the main pipeline, the branch pipeline, the current stabilizer and the capillary pipeline; the hollow solar panel is located on the upper part of the north side of the greenhouse, and the gap of the solar panel is along the direction of the back slope from top to bottom; A plastic film capable of being closed or opened is arranged between the lower edge and the outer edge of the bottom reservoir. The utility model makes full use of solar energy to increase the heat of water, thereby improving the temperature increasing and heat preservation performance, environmental regulation ability, production performance, etc. of the greenhouse, reducing energy consumption, realizing low-carbon agriculture, and being suitable for popularization and application.

Description

A solar greenhouse water curtain system

technical field

The utility model mainly relates to a solar greenhouse water curtain system, which belongs to the technical field of agricultural facilities.

Background technique

Solar greenhouse is currently the main type of horticultural facilities in northern my country. The current solar greenhouse has the structural characteristics of three walls and one slope. This structure not only makes full use of solar energy, but also because the ground and three walls are important heat storage bodies. Therefore, compared with large-scale multi-span greenhouses, it has excellent performance in high efficiency and energy saving. . However, in the severe cold season in the north, the heat storage effect of the three walls and the ground still cannot fully meet the requirements of the more suitable environmental conditions for crop growth, and chilling damage or freezing damage often occurs, resulting in a decline in crop growth, yield and quality. At the same time, the earth wall There are also disadvantages such as destroying a large amount of land in solar greenhouses with brick wall structures, and relatively labor-intensive construction.

Contents of the invention

purpose of invention

According to the structural characteristics of the solar greenhouse, this utility model designs a solar greenhouse water curtain system, the purpose of which is to improve the utilization efficiency of solar energy and improve the temperature and humidity control capabilities of the solar greenhouse, which can solve the problem of low-cost heat storage in the low-temperature season of the greenhouse in winter Problems with heat preservation, cooling and humidification in summer.

Technical solutions

A water curtain system for a solar greenhouse, which is composed of a water circulation system, a sun panel, a plastic film and a water storage tank; it is characterized in that the water storage tank is located inside the north wall of the greenhouse; the water circulation system consists of a water pump located in the water storage tank, a main pipeline, It is composed of branch pipes, flow stabilizers and hair pipes. Above the water pump is the main pipe in the vertical direction. The main pipe is connected to the branch pipes in the horizontal direction. On the upper part of the north side of the greenhouse, the gap of the sun board is along the direction of the back slope from top to bottom; the lower end of the sun board is located at the upper part of the bottom reservoir, and there is a seal between the lower edge of the sun board and the outer edge of the reservoir. or open plastic film.

The diameter of the hair pipe is consistent with the thickness of the sun board, and the hair pipe goes deep into the gap of the sun board.

The thickness of a single solar panel is 5-25mm, the length of the solar panel is 1-6m, and the direction of the hollow space of the solar panel is set along the direction of the back slope from top to bottom.

The upper opening of the reservoir is 20-150cm wide.

Advantages and effects

The utility model is a solar greenhouse water curtain system, which has the following advantages and beneficial effects:

Because the specific heat capacity of water is very large, it is far more than the solar greenhouse wall structure built by soil, bricks and stones, so it is an ideal heat storage body for greenhouses. In order to improve the utilization efficiency of solar energy and improve the temperature and humidity control performance of the solar greenhouse, according to the structural characteristics of the solar greenhouse, the utility model designs a solar greenhouse water curtain system, which can solve the problem of heat storage and heat preservation in the low temperature season of the greenhouse in winter and heat preservation in summer at low cost. cooling and humidification issues. In addition, for the assembled solar greenhouse that is easy to build and install, the solar greenhouse water curtain system of the utility model can replace the heat storage body function of three earth walls and brick walls, etc., which can not only improve the environmental control performance of the greenhouse, but also reduce the temperature of the greenhouse. The construction cost is reduced, the damage to the land caused by earth walls and brick walls is reduced, and the resources and environment are protected.

The utility model uses the water curtain system to make full use of solar energy to increase the heat of water in winter, thereby improving the temperature increase and heat preservation performance of the greenhouse. At the same time, the water in the reservoir is also suitable for irrigation water for crop seedlings and cultivation in winter; It can also reduce the temperature of the greenhouse and increase the humidity of the greenhouse; in addition, it can also improve the environmental regulation ability of the greenhouse, improve the production performance of the greenhouse, reduce energy consumption, and realize low-carbon agriculture.

In addition, the solar greenhouse water curtain system of the present invention has more superior performance for the greenhouses with low light requirements such as edible fungus cultivation and aquaculture.

Description of drawings

Fig. 1 is the utility model east-west rear slope plane plan;

Fig. 2 is the north-south sectional view of the utility model;

Fig. 3 is a schematic diagram of the solar panel of the present invention.

Explanation of reference signs:

1. Water circulation system, 2. Sunshine board, 3. Plastic film, 4. Reservoir, 5. Water pump, 11. Main pipeline, 12. Branch pipeline, 13. Current stabilizer, 14. Hair pipe, L, Sunshine board The total width, H, the length of the sun panel.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

The utility model relates to a solar greenhouse water curtain system, as shown in Fig. 1 and Fig. 2, it is composed of four parts: a water circulation system 1, a sunlight panel 2, a plastic film 3 and a reservoir 4; 4 is located inside the north wall of the greenhouse; the water circulation system 1 is composed of a water pump 5 located in the reservoir 4, a main pipe 11, a branch pipe 12, a flow stabilizer 13 and a hair pipe 14, and the main pipe 11 arranged vertically above the water pump 5 , the main pipe 11 is connected to the branch pipe 12 arranged in the horizontal direction, and the flow stabilizer 13 is connected below the branch pipe 12. The purpose of setting the flow stabilizer is to make the water flow more uniform, and the bottom of the flow stabilizer 13 is connected to the hair pipe 14; the hollow sun panel 2 Located on the upper part of the north side of the greenhouse, the gap of the sun board 2 is along the direction of the back slope from top to bottom; Between the edge is provided with the plastic film 3 of thermal insulation and moisturizing that can close or open the solar panel 2 and the reservoir 4 (in winter, the lower edge of the solar panel 2 and the outer edge of the reservoir 4 are passed through the plastic film of thermal insulation and moisture retention). 3 closed, can reduce the humidity in the greenhouse; during summer, the plastic film 3 of heat preservation and moisturizing between the lower edge of the sun board 2 and the outer edge of the reservoir 4 is rolled up and opened, which can increase the humidity in the greenhouse).

The diameter of the capillary 13 is consistent with the thickness of the solar panel 2 , and the capillary 13 can go deep into the gap of the hollow solar panel 2 .

As shown in Figure 3, the thickness of a single solar panel 2 is 5-25mm (the thickness of the solar panel can be set to 5mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 20mm, 25mm and other different sizes according to actual needs, with 10 -15mm is appropriate), the length H of the solar panel is 1-6m (it can be set to 1m, 2m, 3m, 4m, 5m, 6m, etc. according to the actual situation, and 2-4m is appropriate), and the direction of the hollow space of the solar panel is along the The rear slope is set from top to bottom, and single solar panels are arranged side by side along the rear slope longitudinally to form an overall solar panel. The total width L of the solar panel on the north side of the entire greenhouse is less than the east-west length of the greenhouse, which can be determined according to the actual situation.

The width of the top of the reservoir 4 is 20-150cm (the width of the top of the different reservoirs according to the actual greenhouse size can be set to 20cm, 30cm, 40cm, 50cm, 60cm, 70cm, 80cm, 90cm, 100cm, 110cm, 120cm, 130cm, 140cm, 150cm, etc., preferably 50-100cm).

When the utility model is used:

When the sun can directly shine on the sun panel on the north side of the greenhouse and the air temperature in the greenhouse rises to 15-30°C during the day before and after winter, start the water pump, and the water in the reservoir will pass through the main pipe, branch pipe, flow stabilizer and capillary. The pipe enters the gap of the sun board, and the water flow slowly flows down in the gap of the sun board, forming a thin layer of inclined water curtain. The lower end can form a vertical water curtain again. Sunlight can increase the heat and temperature of the water by illuminating the inclined water curtains in the solar panel and the vertical water curtains in the membrane. The water in the reservoir can gradually increase the water temperature and accumulate heat through the repeated circulation of the water pump. At night, when the air temperature in the greenhouse drops to 5-20°C, the water pump can be turned on to circulate the water, and the heat in the water can be released through the inclined and vertical water curtains to increase the temperature of the greenhouse, thereby realizing heat storage, heating and cooling of the greenhouse in winter. The role of heat preservation.

In the high temperature season in summer, the circulation of groundwater through the system can achieve the effect of cooling. If the thermal insulation and moisturizing plastic film between the sun panel and the reservoir is opened at the same time, the humidity in the greenhouse can be increased and the humidity in the greenhouse can be further reduced. This can Realize the cooling and humidification of the greenhouse in summer.

For the types of greenhouses with low light requirements such as edible fungus cultivation and aquaculture, the system can also be installed on the south, east and west sides of the greenhouse, so as to achieve heat storage and heat preservation, cooling and humidification effects .

By using the solar greenhouse water curtain system of the utility model, the heat of water can be fully utilized in winter to increase the heat of water, thereby improving the temperature increase and heat preservation performance of the greenhouse; in summer, the temperature of the greenhouse can also be reduced and the humidity of the greenhouse can be increased; at the same time, it can also It can improve the environmental control ability of the greenhouse, improve the production performance of the greenhouse, reduce energy consumption, and realize low-carbon agriculture.

Claims (4)

1. A solar greenhouse water curtain system, which consists of a water circulation system (1), a solar panel (2), a plastic film (3) and a water storage tank (4); it is characterized in that the water storage tank (4) is located in the north of the greenhouse Inside the wall; the water circulation system (1) is composed of a water pump (5), a main pipe (11), a branch pipe (12), a flow stabilizer (13) and a hair pipe (14) located in a reservoir (4), and the water pump (5) Above is the main pipe (11) in the vertical direction, the main pipe (11) is connected to the branch pipe (12) in the horizontal direction, the flow stabilizer (13) is connected below the branch pipe (12), and the flow stabilizer (13) is below Connect the capillary pipe (14); the hollow solar panel (2) is located on the upper part of the north side of the greenhouse, and the gap of the solar panel (2) follows the direction from top to bottom of the back slope; the lower end of the solar panel (2) is located at the bottom reservoir (4) The upper part, and a plastic film (3) that can be closed or opened is arranged between the lower edge of the sun panel (2) and the outer edge of the reservoir (4). 2. A solar greenhouse water curtain system according to claim 1, characterized in that: the diameter of the hair pipe (13) is consistent with the thickness of the sun panel (2), and the hair pipe (13) goes deep into the sun board (2) in the gap. 3. A solar greenhouse water curtain system according to claim 1 or 2, characterized in that: the thickness of a single solar panel (2) is 5-25mm, the length of the solar panel is 1-6m, and the hollow of the solar panel (2) The gap direction is set along the direction of the backslope from top to bottom. 4. A solar greenhouse water curtain system according to claim 1, characterized in that the upper opening of the reservoir (4) is 20-150cm wide.

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