CN204612201U - Agricultural greenhouse system with heat preservation electricity generation and hydrologic cycle function - Google Patents

Abstract

The utility model discloses an agricultural greenhouse system with heat preservation electricity generation and hydrologic cycle function, including looping through the heat pipe that loops through the solar photovoltaic inboard portion of installing at the outdoor top of greenhouse of water piping connection component return circuit, install at the indoor solar energy hotplate in greenhouse, heat preservation water storage tank. One side of the heat-preservation water storage tank is also connected in parallel with a row of heating devices installed indoors. A stop pipe is communicated between the water inlet pipe and the water outlet pipe at two ends of the heat conduction pipe in the solar photovoltaic panel of the loop, and a three-way valve is installed at the interface of the stop pipe and the water inlet pipe. This patent overall structure design benefit has realized the cooling of solar photovoltaic board electricity generation in step, and the temperature in the solar energy hot plate improves, and heating installation heats etc. multiple purpose, and is energy-concerving and environment-protective for this greenhouse system is from becoming an organic whole, and water and electricity are self-sufficient, can extensively be used for comparatively remote area, is favorable to using widely on a large scale.

Description

Agricultural greenhouse system with heat preservation, power generation and water circulation functions

technical field

The utility model relates to an agricultural greenhouse system, in particular to an agricultural greenhouse system with ingenious design, self-sufficiency, energy saving and environmental protection, which has the functions of heat preservation, power generation and water circulation.

Background technique

Most of the existing agricultural greenhouse systems require separate water supply, power supply and heating, which cannot be realized in remote areas. Even if it can be realized, it will cost a lot, and its operating cost is also high. Furthermore, the power generation efficiency of solar photovoltaic panels will decrease after working for a long time. The existing method is to cut off the power to cool down, which is not conducive to maintaining the temperature in the greenhouse.

Contents of the invention

In order to solve the above problems, the utility model provides an agricultural greenhouse system with functions of heat preservation, power generation and water circulation, which includes heat pipes installed inside the solar photovoltaic panels on the top of the greenhouse outdoors to form a loop through water pipes, and solar photovoltaic panels installed in the greenhouse. Hot plate, insulated water storage tank. One side of the thermal insulation water storage tank is also connected in parallel with a row of heating devices installed indoors. A cut-off pipe is also connected between the water inlet pipe and the water outlet pipe at both ends of the heat pipe inside the solar photovoltaic panel of the circuit, and a three-way valve is installed at the interface between the cut-off pipe and the water inlet pipe.

A controller is installed in the greenhouse, and the controller is respectively connected to the low-speed water pump, the water inlet temperature sensor and the pressure tank installed on the water pipe through the signal line, the solar photovoltaic panel water outlet temperature sensor installed on the water pipe, and the solar photovoltaic panel installed on the solar light. The solar photothermal plate water outlet temperature sensor on the water pipe at the back end of the heat plate, the auxiliary electric heating component and the heat exchange disc copper pipe installed in the heat preservation water storage tank, and the heating device installed on the water pipe at the back end of the heat preservation water storage tank. The temperature sensor and the water inlet pump of the heating device, the outlet water temperature sensor of the heating device installed on the water pipe at the rear end of the heating device, the indoor temperature sensor of the greenhouse installed in the greenhouse, and the three-way valve.

The solar photovoltaic panel is connected to an inverter, and the inverter is connected to a storage battery.

Both the water pipes on the side of the solar photovoltaic panel and the water pipes on the side of the solar thermal panel are provided with automatic exhaust valves.

The working principle of this patent is as follows:

The water inlet temperature sensor monitors the water inlet temperature of the water system in the solar photovoltaic panel, and the outlet water temperature sensor of the solar photovoltaic panel monitors the outlet water temperature of the water system in the solar photovoltaic panel and the inlet water temperature of the solar thermal panel water system, and the outlet water temperature of the solar thermal panel The sensor monitors the outlet water temperature of the solar thermal panel water system, the heater inlet temperature sensor monitors the heater inlet water temperature, the heater outlet water temperature sensor monitors the heater return water temperature, and the greenhouse indoor temperature sensor monitors the greenhouse indoor temperature. The above sensors The signal is transmitted to the controller through the signal line, and the controller controls the low-speed water pump, the three-way valve, the water inlet pump of the heating device, and the auxiliary electric heating components through the logic relationship that has been set by analyzing the data collected from each sensor, so that Water runs smoothly in the circuit. The water flowing in the circuit takes away the heat generated by the solar photovoltaic panel to improve its power generation efficiency and prevent it from overheating; the water heated by the solar photovoltaic panel enters the solar thermal panel for further heating, which effectively improves its thermal efficiency and further improves the temperature of the greenhouse. Inner temperature; the water reheated by the solar thermal panel enters the heat preservation water storage tank. If necessary, it can be heated by the auxiliary electric heating component and the heat exchange coiled copper tube, and supplied to the heating device to uniformly heat the room. and body temperature, and increase the temperature in the greenhouse again; when the water temperature in the thermal insulation water storage tank is too high to cool down the solar photovoltaic panels, part of the high temperature water can be used for irrigation and daily water, and then pour cold water into the thermal insulation storage tank. At the same time, the electric energy generated by the solar photovoltaic panel can also be converted by the inverter and stored in the battery for storage, and can be used for the operation of various indoor components and daily electricity demand. When the outdoor temperature is too low, the three-way valve can be controlled to close the outdoor pipeline to prevent freezing, while the indoor pipeline continues to operate effectively.

The overall structural design of this patent is ingenious, and simultaneously realizes the cooling of solar photovoltaic panel power generation, the increase of water temperature in the solar thermal panel, the heating of the heating device and other multiple purposes, energy saving and environmental protection, making the greenhouse system self-contained, self-sufficient in water and electricity, and can be used It is widely used in relatively remote areas and is conducive to large-scale promotion and use.

Description of drawings

Fig. 1 is a schematic diagram of the connection structure of the present invention.

Fig. 2 is a schematic diagram of the installation structure of the solar photovoltaic panel outside the greenhouse.

Detailed ways

Below in conjunction with embodiment this patent is further described:

As shown in Figure 1, the agricultural greenhouse system with heat preservation, power generation and water circulation functions includes the heat pipe 5 installed inside the solar photovoltaic panel 1 on the top of the outdoor greenhouse 26, which is connected to form a loop through water pipes, and the solar photovoltaic panel 1 installed in the greenhouse 26. Hot plate 6, thermal insulation water storage tank 7. One side of the heat preservation water storage tank 7 is also connected in parallel with a row of heating devices 14 installed indoors. A cut-off pipe 12 is also connected between the water inlet pipe and the water outlet pipe at both ends of the heat pipe 5 inside the solar photovoltaic panel 1 of the circuit, and a three-way valve 11 is installed at the interface between the cut-off pipe 12 and the water inlet pipe.

A controller 24 is installed in the greenhouse 26, and the controller 24 is respectively connected to the low-speed water pump 9 installed on the water pipe, the inlet water temperature sensor 18 and the pressure tank 10 through signal lines, and the temperature of the solar photovoltaic panel outlet water installed on the water pipe. Sensor 19, the solar photothermal panel outlet water temperature sensor 20 installed on the water pipe at the rear end of the solar photothermal panel 6, the auxiliary electric heating component 15 and the heat exchange disc copper tube 8 installed in the thermal insulation water storage tank 7, installed in the thermal insulation The heater water inlet temperature sensor 21 and the heater inlet pump 13 on the water storage tank 7 rear end water pipe, the heater outlet water temperature sensor 22 installed on the heater 14 rear end water pipe, the greenhouse indoor temperature sensor installed in the greenhouse 26 23, three-way valve 11.

The solar photovoltaic panel 1 is connected to an inverter 16 , and the inverter 16 is connected to a storage battery 17 .

An automatic exhaust valve 25 is provided on the water pipe on the side of the solar photovoltaic panel 1 and on the water pipe on the side of the solar thermal panel 6 .

As shown in Figure 2, the solar photovoltaic panel 1 is installed on the top of the greenhouse 26 through an adjustable bracket 27, and the lower part just covers the greenhouse insulation quilt 28 to prevent it from getting wet; the angle of the solar photovoltaic panel 1 can be adjusted by adjusting the adjustable bracket 27 , allowing it to receive maximum sunlight exposure.

The working principle of this patent is as follows:

The water inlet temperature sensor 18 monitors the water inlet temperature of the water system in the solar photovoltaic panel 1, and the outlet water temperature sensor 19 of the solar photovoltaic panel monitors the water outlet temperature of the water system in the solar photovoltaic panel 1 and the water inlet temperature of the solar thermal panel 6 water system. The photothermal plate outlet water temperature sensor 20 monitors the outlet water temperature of the solar photothermal panel 6 water system, the heating device inlet water temperature sensor 21 monitors the water inlet temperature of the heating device 14, and the heating device outlet water temperature sensor 22 monitors the return water temperature of the heating device 14, The temperature sensor 23 in the greenhouse monitors the indoor air temperature in the greenhouse. The above sensors transmit signals to the controller 24 through the signal line. The valve 11, the water inlet pump 13 of the heating device, and the auxiliary electric heating component 15 are controlled so that the water runs smoothly in the circuit. The water flowing in the circuit takes away the heat generated when the solar photovoltaic panel 1 generates power, improves its power generation efficiency, and prevents it from overheating; the water heated by the solar photovoltaic panel 1 enters the solar thermal panel 6 for further heating, effectively improving its thermal efficiency, Further increase the temperature in the greenhouse; the water reheated by the solar photothermal panel 6 enters the heat preservation water storage tank 7, and if necessary, it can be heated by the auxiliary electric heating component 15 and the heat exchange coiled copper tube 8, and supplied to the heating The device 14 is used for uniform heating and body temperature in the room to increase the temperature in the greenhouse again; when the water temperature in the heat preservation water storage tank 7 is too high to cool down the solar photovoltaic panel 1, part of the high temperature water can be used for irrigation and daily water, and then to Inject cold water in the thermal insulation water storage tank 7 and get final product. At the same time, the electric energy generated by the solar photovoltaic panel 1 can also be converted by the inverter 16 and stored in the storage battery 17 for storage, and can be used for the operation of various indoor components and daily electricity demand. When the outdoor temperature is too low, the three-way valve 11 can be controlled to close the outdoor pipeline to prevent freezing, while the indoor pipeline continues to operate effectively.

The above-mentioned embodiment is only to describe the preferred implementation mode of the utility model, not to limit the scope of protection of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the present utility model.

Claims (5)

1. there is the agricultural greenhouse system of heat-insulation electricity-generating and water circulation function, it is characterized in that, comprise the heat pipe being arranged on the photovoltaic intralamellar part at outdoor top, greenhouse being connected to form loop successively by water pipe, be arranged on the solar energy hot plate of indoor, greenhouse, insulation water tank; Described insulation water tank side is also parallel with a row and is arranged on indoor heating installation.

2. the agricultural greenhouse system with heat-insulation electricity-generating and water circulation function according to claim 1, it is characterized in that, also be communicated with a blanking tube between the water inlet pipe at the heat pipe two ends of the photovoltaic intralamellar part in described loop and outlet pipe, the interface of described blanking tube and water inlet pipe is provided with three-way valve.

3. the agricultural greenhouse system with heat-insulation electricity-generating and water circulation function according to claim 1, it is characterized in that, described greenhouse indoor location has controller, described controller is mounted on the low speed water pump on water pipe respectively by holding wire, inflow temperature sensor and pressurized tank, be arranged on the solar energy photovoltaic panel leaving water temperature sensors on water pipe, be arranged on the solar energy hot plate leaving water temperature sensors on the water pipe of solar energy hot plate rear end, be arranged on the auxiliary electric heating element in insulation water tank and heat exchange plate-like copper pipe, be arranged on the heating installation inflow temperature sensor on the water pipe of insulation water tank rear end and heating installation intake pump, be arranged on the heating installation leaving water temperature sensors on the water pipe of heating installation rear end, be arranged on the greenhouse indoor temperature transmitter of indoor, greenhouse, three-way valve.

4. the agricultural greenhouse system with heat-insulation electricity-generating and water circulation function according to claim 1, is characterized in that, described solar energy photovoltaic panel connects inverter, and described inverter connects battery.

5. the agricultural greenhouse system with heat-insulation electricity-generating and water circulation function according to claim 1, is characterized in that, the water pipe of on the water pipe of described solar energy photovoltaic panel side and solar energy hot plate side is provided with automatic exhaust steam valve.