CN205389737U - Intelligent greenhouse big -arch shelter constant temperature water supply equipment - Google Patents

Abstract

The utility model relates to a constant temperature water supply equipment for an intelligent greenhouse, which is characterized in that: a circulation pipe (21) is installed in the middle of the water body to be heated in a water storage tank (20) in an S shape, and the bottom of the water storage tank (20) is arranged The pure water cold water inlet pipe (22), the pure water cold water inlet pipe (22) is connected with the pure water inlet pipe (14) through the first remote electric valve (13); the upper part of the water storage tank (20) is provided with a pure The hot water outlet pipe (23), the pure water hot water outlet pipe (23) is connected with the hot water outlet pipe (15) through the second remote electric valve (24) and the first remote temperature sensor (12), and the purified water enters The third remote electric valve (25) and the second remote temperature sensor (26) are connected in series between the water pipe (14) and the hot water outlet pipe (15), and the third remote temperature sensor (27) is installed on the hot and cold water mixing pipe . The utility model has the characteristics of intelligence, simple structure, less land occupation, easy assembly, high reliability and the like.

Description

Smart greenhouse constant temperature water supply equipment

technical field

The utility model belongs to the technical field of agricultural equipment, in particular to agricultural irrigation equipment, and is a constant temperature water supply equipment for an intelligent greenhouse.

Background technique

At present, the transfer of contracted land to large professional households, family farms, and farmers' cooperatives is encouraged and supported. Since then, family farms, cooperatives, large contractors, and corporate large-scale modern agriculture have emerged continuously, and the development trend of large-scale and intensive development has put forward higher requirements for traditional irrigation models. In recent years, my country's greenhouse agriculture has developed rapidly, and the smart glass greenhouse, which represents the modernization level of facility agriculture, has also developed rapidly. Smart greenhouses are generally equipped with water purification equipment and irrigation equipment, but the regulation of water temperature has not attracted the attention of manufacturers and users. The utility model provides a computer automatic control, using solar energy as the main energy source, and electricity as a supplementary energy source. The water supply equipment can preheat the irrigation water, control the outlet water temperature, and keep the water temperature constant to reach the optimum temperature range for crop growth.

Contents of the invention

Aiming at the temperature of the irrigation water source of the intelligent greenhouse in winter is far lower than the room temperature, it is easy to cause growth stagnation after irrigation and affect the photosynthetic rate and other problems. The utility model provides a constant temperature water supply equipment with computer automatic control, which adopts solar energy as the main energy source and electric power as the supplementary energy source. It can preheat the irrigation water, control the outlet water temperature, and keep the water temperature constant to reach the optimum temperature for crop growth. scope. Thereby increasing crop yield and shortening the growth cycle. The technical solution adopted to realize the utility model is: a constant temperature water supply equipment for an intelligent greenhouse, including a flat collector bracket, a flat collector, a water storage tank, a pure water inlet pipe and a hot water outlet pipe, and a water storage tank It is composed of three parts: shell, insulation layer and liner. The top of the water storage tank is equipped with a safety valve and an intake and exhaust valve through a Y-shaped pipe to ensure the safety of the tank. There are magnesium rods and flat plate collectors in the water storage tank. The circulation pipe in the water storage tank is connected through the upper circulation pipe and the lower circulation pipe, and the circulation pipe is installed in the water storage tank. In the middle of the water body that needs to be heated, the circulation pipes are connected in series in layers in the water storage tank; the bottom of the water storage tank is provided with a pure water cold water inlet pipe, and a pure water inlet is provided on the pure water cold water inlet pipe. The cold water inlet pipe is connected to the pure water inlet pipe through the first remote electric valve; the upper part of the water storage tank is provided with a pure water and hot water outlet pipe, and a pure water and hot water outlet is provided on the pure water and hot water outlet pipe. The hot water outlet pipe is connected to the hot water outlet pipe through the second remote electric valve and the first remote temperature sensor, and the third remote electric valve and the second remote temperature sensor are connected in series between the purified water inlet pipe and the hot water outlet pipe. A third remote temperature sensor is provided on the hot and cold water mixing pipe. The water storage tank is provided with an electric heating rod, and the electric heating rod is connected with a remote electric heating rod control switch to control the heating of the electric heating rod. The water storage tank is provided with magnesium rods to protect the inner tank from corrosion and prolong the service life. A plurality of flat-plate heat collectors can be connected in parallel, and the upper circulation pipes of the plurality of flat-plate heat collectors and the lower circulation pipes of the flat-plate heat collectors are connected in parallel.

The utility model has the characteristics of intelligence, simple structure, less land occupation, easy assembly, high reliability and the like. Due to the preferential use of solar panel heat collectors for heating, energy is saved and operating costs are reduced. At the same time, an electric heating device is installed to improve the water supply guarantee rate of the equipment, and even in extreme weather, normal water supply can be realized.

Description of drawings

Fig. 1 is a structural schematic diagram of a constant temperature water supply equipment for an intelligent greenhouse;

Figure 2 is a schematic diagram of the connection of some flat-plate collector groups;

Fig. 3 is a schematic diagram of the connection of a monolithic flat plate heat collector;

Fig. 4 is a connection diagram of the heating pipe in the lower layer of the water storage tank;

Fig. 5 is a connection diagram of the heating pipe on the upper layer of the water storage tank;

Fig. 6 is a connection diagram of the heating pipe in the middle layer of the water storage tank;

Figure 7 is a diagram of a stainless steel electric heating rod.

In the figure, 1. Shell; 2. Insulation layer; 3. Liner; 4. Y-shaped pipe; 5. Safety valve; 6. Inlet and exhaust valve; 7. Remote electric heating rod control switch; 8. Pure water and hot water Water outlet; 9. Electric heating rod; 10. Magnesium rod; 11. Pure water inlet; 12. The first remote temperature sensor; 13. The first remote electric valve; 14. Pure water inlet pipe; 15. Hot water outlet pipe ; 16. Upper circulation pipe of flat plate collector; 17. Lower circulation pipe of flat plate heat collector; 18. Support of flat plate heat collector; 19. Flat plate heat collector; 20. Water storage tank, 21. Circulation pipe, 22. Pure Water cooling water inlet pipe, 23, pure water hot water outlet pipe, 24, the second remote electric valve, 25, the third remote electric valve, 26, the second remote temperature sensor, 27, the third remote temperature sensor.

detailed description

Referring to the accompanying drawings, a constant temperature water supply equipment for an intelligent greenhouse includes a flat plate heat collector bracket 18, a flat plate heat collector 19, a water storage tank 20, a pure water inlet pipe 14 and a hot water outlet pipe 15, and the water storage tank 20 consists of The outer shell 1, the insulation layer 2 and the liner 3 are composed of three parts. The top of the water storage tank 20 is respectively equipped with a safety valve 5 and an intake and exhaust valve 6 through a Y-shaped pipe 4 to ensure the safety of the tank body. The water storage tank 20 is equipped with The magnesium rod 10 and the flat plate heat collector 19 are connected to the internal circulation pipe 21 of the water storage tank through the upper circulation pipe 16 and the lower circulation pipe 17. The circulation pipe 21 is installed in the water storage tank 20, and is characterized in that: inject Antifreeze and heat conduction medium, the circulation pipe 21 is installed in the middle of the water body to be heated in the water storage tank 20 in an S shape, and the circulation pipe 21 is connected in series in layers in the water storage tank 20; the bottom of the water storage tank 20 is set Pure water cold water inlet pipe 22, pure water cold water inlet pipe 22 is provided with pure water inlet 11, pure water cold water inlet pipe 22 is connected with pure water inlet pipe 14 through the first remote electric valve 13; described water storage tank The top of the 20 is provided with a pure water hot water outlet pipe 23, the pure water hot water outlet pipe 23 is provided with a pure water hot water outlet 8, and the pure water hot water outlet pipe 23 passes through the second remote electric valve 24 and the first remote temperature sensor 12 is connected with the hot water outlet pipe 15, the third remote electric valve 25 and the second remote temperature sensor 26 are connected in series between the pure water inlet pipe 14 and the hot water outlet pipe 15, and the third remote temperature sensor 27. The water storage tank 20 is provided with an electric heating rod 9, and the electric heating rod 9 is connected with a remote electric heating rod control switch 7 to control the heating of the electric heating rod 9. The water storage tank 20 is provided with a magnesium rod 10 to protect the inner tank from corrosion and prolong the service life. A plurality of flat-plate heat collectors 19 can be connected in parallel, and a plurality of flat-plate heat collector upper circulation pipes 16 and flat-plate heat collector lower circulation pipes 17 are connected in parallel.

The working process of the present utility model is as follows:

The heating plate heat collector 19 heats the medium in the circulation pipe 21 by absorbing the heat of the sun, and the medium flows from the plate heat collector 19 to the water storage tank 20, and fully contacts the pure water through the S-shaped circulation pipe 21 in the water storage tank 20 , heat exchange, heating pure water. The heated pure water in the tank will flow to the top of the tank due to its low density.

When irrigation is needed, the pure water production equipment will be turned on, and the first remote electric valve 13, the second remote electric valve 24, and the third remote electric valve 25 will be opened simultaneously by computer control. The water flowing out of the pure water production equipment will be divided into two parts, one part flows through the water storage tank 20, fully contacts with the circulation pipe 21, and is heated; the other part does not pass through the water storage tank 20, but passes through the third remote electric valve 25, the Two remote temperature sensors 26 are directly mixed with the hot water outlet pipe 15 . Install the second remote temperature sensor 26 and the first remote temperature sensor 12 respectively on the cold water pipe and the hot water pipe, measure the temperature of hot and cold water by the second remote temperature sensor 26 and the first remote temperature sensor 12, and transmit the data To the computer, the flow ratio of the hot and cold water pipes required for constant temperature water supply is calculated, and then the computer controls the second remote electric valve 24 and the third remote electric valve 25 to adjust the flow, thereby achieving constant temperature water supply. The third remote temperature sensor 27 is installed on the water pipe after the hot and cold water are mixed, and whether the temperature reaches the set temperature is measured by the third remote temperature sensor 27, and the temperature of the outlet pipe is checked in real time.

If run into consecutive cloudy days or other reasons, resulting in low hot water temperature, mixed water temperature can not reach the set temperature, can be automatically turned on electric heating rod 9 through the computer to heat the pure water in the tank, thereby ensuring constant temperature water supply throughout the day.

Claims (4)

1. null1. an Intelligent Greenhouse constant temperature water supply equipment，Include flat heat collector support (18)、Flat plate collector (19)、Water tank (20)、Pure water water inlet pipe (14) and hot water outlet pipe (15)，Water tank (20) is by shell (1)、Heat-insulation layer (2) and inner bag (3) three part composition，The top of water tank (20) is respectively mounted relief valve (5) and air inlet and exhaust valve (6) by Y-piece (4)，Ensure the safety of tank body，Magnesium rod (10) it is provided with in water tank (20)，Flat plate collector (19) connects water tank inner circulating tube (21) by upper circular tube (16) and lower circulation pipe (17)，Circulation pipe (21) is installed in water tank (20)，It is characterized in that: in circulation pipe (21), inject antifreeze heat-conducting medium，Circulation pipe (21) is S-type to be installed in water tank (20) needs in the middle of the water body of heating，The bottom of water tank (20) arranges pure water cold water inlet (22)，Pure water cold water inlet (22) is provided with pure water water inlet (11)，Pure water cold water inlet (22) is connected with pure water water inlet pipe (14) by the first remote electric valve (13)；The top of described water tank (20) arranges pure water hot water outlet pipe (23), pure water hot water outlet pipe (23) is provided with pure water hot water outlet (8), pure water hot water outlet pipe (23) is connected with hot water outlet pipe (15) with the first remote temperature sensor (12) by the second remote electric valve (24), concatenating the 3rd remote electric valve (25) and the second remote temperature sensor (26) between pure water water inlet pipe (14) with hot water outlet pipe (15), hot and cold water mixing tube is provided with the 3rd remote temperature sensor (27).
2. 2. the Intelligent Greenhouse constant temperature water supply equipment described in claim 1, it is characterized in that: in described water tank (20), be provided with electrically heated rod (9), electrically heated rod (9) controls switch (7) with long-range electrically heated rod and is connected, and is used for controlling electrically heated rod (9) heating.
3. 3. the Intelligent Greenhouse constant temperature water supply equipment described in claim 1, it is characterized in that: described flat plate collector (19) can multiple be connected in parallel, circulation pipe (17) under multiple flat plate collector upper circular tubes (16) and flat plate collector is connected in parallel.
4. 4. the Intelligent Greenhouse constant temperature water supply equipment described in claim 1, it is characterised in that: described circulation pipe (21) is serially connected by different level in water tank (20).