CN217407212U

CN217407212U - Plant factory with ultra-low energy consumption

Info

Publication number: CN217407212U
Application number: CN202221287225.6U
Authority: CN
Inventors: 周磊; 崔明远; 崔西良
Original assignee: Shandong Nongsheng Hengchang Agricultural Technology Co ltd
Current assignee: Shandong Nongsheng Hengchang Agricultural Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-13
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses an ultra-low energy consumption plant factory, which relates to the technical field of agricultural planting equipment and comprises a frame and a shed film, wherein the frame and the shed film jointly enclose a greenhouse of the plant factory, a solar thermal collector is installed at the top of the frame, a heat storage coil pipe is laid below the ground within the greenhouse, the liquid inlet end of the heat storage coil pipe is communicated with the liquid outlet of the solar thermal collector, and the liquid outlet end of the heat storage coil pipe is communicated with the liquid return port of the solar thermal collector; and heat conducting solution is filled in the solar heat collector and the heat storage coil. The utility model discloses super low energy consumption plant factory has solved and has planted the canopy among the prior art and keep the difference in temperature, and the soil interest rate is low, plants, breed technical problem such as the phase weak point, the utility model discloses super low energy consumption plant factory keeps warm effectually, and the energy consumption is low, and land utilization is high, and planting period is long, can be great reduction peasant breed the cost, has improved peasant's economic benefits.

Description

Plant factory with ultra-low energy consumption

Technical Field

The utility model relates to an agricultural planting equipment technical field, in particular to ultra-low energy consumption plant factory.

Background

Agriculture is an important industry in national economy in China, and the vast width of the country is a large country for agricultural production. However, the north-south cross latitude of China is large, the temperature difference between the north and the south is also large, the temperature in the north area is low, the growth period of crops and livestock is short, and the planting and breeding greenhouse is generally applied to the north area of China along with the continuous development of agricultural science and technology.

At present, two types of planting greenhouses widely used in northern areas of China mainly comprise a multi-span greenhouse and a soil greenhouse. Wherein:

the multi-span greenhouse is composed of a frame and a greenhouse film, can be built continuously, is high in land utilization rate and can reach more than 90%, but the greenhouse is cold in winter and hot in summer, cannot be planted in the coldest and hottest seasons every year, is long in vacant time, causes waste of land, needs to be heated in winter, and is high in energy consumption.

The soil greenhouse comprises a frame consisting of a rear wall and two side walls, wherein the rear wall and the two side walls are piled up by soil, a greenhouse film is covered on the upper side and the front side, and a heat preservation quilt is arranged on the outer side of the greenhouse film. The soil greenhouse has a better heat insulation effect than a multi-span greenhouse, but has a large occupied area, and enough lighting space needs to be reserved between the two greenhouses, so that the land utilization rate is extremely low and is only about 30-40%, and the serious waste of land is caused.

Disclosure of Invention

To above defect, the utility model aims at providing an ultra-low energy consumption plant factory, this ultra-low energy consumption plant factory keeps warm effectually, does not need additionally to heat, and cool winter in summer can realize the continuous planting of plant, and land utilization is high.

In order to realize the purpose, the technical scheme of the utility model is that:

an ultra-low energy consumption plant factory comprises a frame and a shed film, wherein the frame and the shed film jointly enclose a greenhouse of the plant factory, a solar thermal collector is installed at the top of the frame, a thermal storage coil is laid below the ground within the greenhouse, the liquid inlet end of the thermal storage coil is communicated with the liquid outlet of the solar thermal collector, and the liquid outlet end of the thermal storage coil is communicated with the liquid return port of the solar thermal collector; and heat conducting solution is filled in the solar heat collector and the heat storage coil.

The liquid inlet end of the heat storage coil is communicated with the liquid outlet of the solar heat collector through a liquid outlet pipe, the liquid outlet end of the heat storage coil is communicated with the liquid return port of the solar heat collector through a liquid return pipe, the liquid outlet pipe is provided with an electromagnetic valve, and the liquid return pipe is provided with a circulating pump and a temperature sensor.

And a reflective film is arranged below the heat storage coil, and the width of the reflective film is 3-4 times of the diameter of the heat storage coil.

The greenhouse is characterized in that a heat insulation layer is vertically arranged below the ground of the greenhouse along the outline of the greenhouse, and the height of the heat insulation layer is 60-80 cm; the heat storage coil is positioned in an area surrounded by the heat insulation layer.

Wherein, solar collector installs in the north side of frame, solar collector installs one or two rows in north-south direction.

The solar heat collectors are provided with a plurality of groups along the east-west direction of the frame, the heat storage coil pipes are provided with a plurality of groups along the east-west direction of the greenhouse, and the east-west size of the single group of solar heat collectors is consistent with the east-west size of the single group of heat storage coil pipes corresponding to the single group of solar heat collectors in the vertical direction; the solar heat collector and the heat storage coil which correspond to each other in the vertical direction form a heat storage circulating unit.

The greenhouse film comprises side films and a top film, the top film comprises an outer top film and an inner top film, and the outer top film and the inner top film are driven by a top film opening and closing motor to be opened and closed; the inner sides of the side films and the inner top film are provided with inner heat insulation curtains, and the top and the side parts of the inner heat insulation curtains can be opened and closed by being driven by a heat insulation curtain opening and closing motor; and the mounting port is arranged on the side film in the east-west direction, the fan is arranged at the mounting port on one side, and the wet curtain is arranged at the mounting port on the other side.

The ultra-low energy consumption plant factory further comprises a controller, and the solar thermal collector, the electromagnetic valve, the circulating pump, the temperature sensor, the top film opening and closing motor, the heat preservation curtain opening and closing motor, the fan and the circulating water pump of the wet curtain are all electrically connected with the controller.

The solar energy heat collector is characterized in that a photovoltaic power generation board is installed on the south side of the frame and electrically connected with a storage battery, the storage battery is electrically connected with the controller, the solar energy heat collector, the electromagnetic valve, the circulating pump, the top film opening and closing motor, the heat preservation curtain opening and closing motor, the fan and the circulating water pump of the wet curtain.

Wherein the heat conducting solution is superconducting liquid or water.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the ultra-low energy consumption plant factory of the utility model comprises a frame and a shed film, the frame and the shed film jointly enclose a greenhouse of the plant factory, a solar heat collector is arranged at the top of the frame, a heat storage coil pipe is laid below the ground within the greenhouse, the liquid inlet end of the heat storage coil pipe is communicated with the liquid outlet of the solar heat collector, and the liquid outlet end of the heat storage coil pipe is communicated with the liquid return port of the solar heat collector; and heat conducting solution is filled in the solar heat collector and the heat storage coil. The solar heat collector can directly convert solar energy into heat energy, the heat energy is transferred into the heat storage coil pipe through the heat conducting solution, the heat storage coil pipe can continuously heat the soil below the greenhouse, when the temperature in the greenhouse is lowered at night, the heat stored in the heat conducting coil pipe and the soil can be upwards radiated and diffused into the greenhouse according to the heat ascending principle, so that the temperature in the greenhouse can be maintained, the normal growth of plants in the greenhouse can be ensured, the plants cannot be frosted or frozen, the multi-span greenhouse can be continuously used in winter, and the growth period can be prolonged by about 5 months; in addition, extra heating is not needed in winter, energy consumption is avoided, the planting cost is greatly reduced, and waste of land is avoided; meanwhile, the utility model directly converts solar energy into heat energy, the energy efficiency can reach more than 80 percent, compared with the method of generating electricity by using solar energy and converting electric energy into heat energy, the energy efficiency of the utility model is three to four times, the solar energy is fully utilized, the utility model is economic and environment-friendly, the breeding cost of farmers is greatly reduced, and the economic benefit of the farmers is improved; the land utilization rate is high and can reach more than 90 percent, and the problem of insufficient cultivated land in China can be greatly relieved; meanwhile, the assembly and disassembly are convenient, the construction speed is high, and the land can not be damaged greatly.

Because the canopy membrane includes side membrane and epiphragma, the epiphragma includes outer epiphragma and inlayer epiphragma, the inboard of side membrane and inlayer epiphragma is equipped with interior heat preservation curtain, multilayer structure has been formed, the air chamber between each layer is thermal bad conductor, can keep apart greenhouse internal environment and outside, form an solitary microclimate, the heat of summer outside does not come, outside air conditioning of winter also does not come, fine isolated effect has been played, the heat preservation effect in improvement greenhouse that can step forward.

To sum up, the utility model discloses super low energy consumption plant factory has solved and has planted the canopy among the prior art and keep the difference in temperature, and the soil interest rate is low, plants, breed technical problem such as the phase weak point, the utility model discloses super low energy consumption plant factory keeps warm effectually, and the energy consumption is low, and land utilization is high, plants long period, can be great reduction peasant breed the cost, improved peasant's economic benefits.

Drawings

FIG. 1 is a schematic structural diagram of the ultra-low energy plant factory of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a schematic view of the laying structure of the heat storage coil and the reflective film of the ultra-low energy plant factory of the present invention;

in the figure: 10. the solar photovoltaic heat-storage plate comprises a frame, 20, an outer top film, 22, an inner top film, 24, a side film, 26, an inner heat-preservation curtain, 30, a solar heat collector, 32, a photovoltaic power generation plate, 40, a heat-preservation layer, 50, a heat-storage coil pipe, 52, a liquid outlet pipe, 54, a liquid return pipe, 60, a reflective film, 70, a fan, 80, a wet curtain, 90, an electromagnetic valve, 92 and a circulating pump.

Detailed Description

The invention is further explained below with reference to the drawings and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

As shown in the figures 1 and 2 together, the ultra-low energy consumption plant factory comprises a frame 10 and a shed film, wherein the frame 10 and the shed film jointly form a greenhouse of the plant factory. The shed film comprises side films 24 and top films, the top films comprise outer top films 20 and inner top films 22, and the outer top films 20 and the inner top films 22 can be opened and closed under the driving of a top film opening and closing motor (not shown in the figure). The inner sides of the side films 24 and the inner top film 22 are provided with inner heat insulation curtains 26, and the top and the side parts of the inner heat insulation curtains 26 can be opened and closed by being driven by a heat insulation curtain opening and closing motor (not shown in the figure). When ventilation is needed in the greenhouse, the top film opening and closing motor and the heat insulation curtain opening and closing motor can be opened, the outer top film 20, the inner top film 22 and the inner heat insulation curtain 26 are opened, and the opening directions of the outer top film 20, the inner top film 22 and the inner heat insulation curtain 26 are shown as arrows in figure 1. When the external light is not strong and the indoor illumination needs to be increased, the inner top film 22 and the inner heat-insulating curtain 26 can be opened to allow the sunlight to fully irradiate into the greenhouse. When the external light is too strong and needs to be shielded, the inner heat-insulating curtain 26 can be closed, so that the crops can be effectively prevented from being sunburned. When the greenhouse needs heat preservation at night, the inner heat preservation curtain 26 can be closed, heat dissipation in the greenhouse can be effectively prevented, and a heat preservation effect is achieved.

As shown in fig. 1 and 2, in the present embodiment, preferably, a plurality of mounting openings are formed in the side film 24 located in both the east and west directions, the fan 70 is mounted at the mounting opening located on one side, and the wet curtain 80 is mounted at the mounting opening located on the other side. When the temperature in the greenhouse is too high in summer, the internal heat-insulating curtains 26 on the two sides of the articles and the circulating water pumps of the fan 70 and the wet curtain 80 can be opened, so that the temperature in the greenhouse can be effectively reduced, and the temperature in the greenhouse is prevented from being too high.

As shown in fig. 1 and 2, the solar heat collector 30 is attached to the top of the frame 10, but in the present embodiment, the solar heat collector 30 is preferably attached to the north side of the frame 10, and more preferably, the solar heat collector 30 is attached to a region extending from the north edge of the frame 10 to the south over a width of about 4m, and since the light of the sun is obliquely irradiated to the ground, the solar heat collector 30 is attached to the north side of the frame 10 over a width of about 4m without affecting the irradiation of the sunlight into the greenhouse, and the irradiation of light from each part in the greenhouse can be ensured. In this embodiment, it is further preferable that two rows of solar collectors 30 are installed in the north-south direction, and the heat collecting surfaces of the two rows of solar collectors 30 face the south.

As shown in fig. 1, 2 and 3, a heat storage coil 50 is laid under the ground within the greenhouse, a liquid inlet end of the heat storage coil 50 is communicated with a liquid outlet of the solar heat collector 30, and a liquid outlet end of the heat storage coil 50 is communicated with a liquid return port of the solar heat collector 30. The solar heat collector 30 and the heat storage coil 50 are both filled with heat conducting solution, and in the present embodiment, the heat conducting solution is preferably superconducting liquid or water. Solar collector 30 can directly change solar energy into heat energy, and heat energy passes through in heat conduction solution transmits heat storage coil pipe 50, and heat storage coil pipe 50 can last the heating to the soil of greenhouse below, and when the temperature in cloudy day or the greenhouse at night descends, according to the principle that the heat went upward, the heat of saving can upwards radiate in heat storage coil pipe 50 and the soil, spreads in the greenhouse to can maintain the temperature in the greenhouse, guarantee the plant normal growth in the greenhouse, can not frostbite or freeze.

As shown in fig. 2 and fig. 3, the liquid inlet end of the heat storage coil 50 is connected to the liquid outlet of the solar heat collector 30 through a liquid outlet pipe 52, the liquid outlet end of the heat storage coil 50 is connected to the liquid return port of the solar heat collector 30 through a liquid return pipe 54, and the liquid outlet pipe 52 and the liquid return pipe 54 are filled with heat transfer solution. In this embodiment, it is preferable that an electromagnetic valve 90 is attached to the liquid outlet pipe 52, and a circulation pump 92 and a temperature sensor (not shown) are attached to the liquid return pipe 54. When the temperature detected by the temperature sensor is lower than 40 ℃, the electromagnetic valve 90 is closed, the circulating pump 92 stops working, and heat circulation is not performed any more; when the temperature detected by the temperature sensor is higher than 40 ℃, the electromagnetic valve 90 is opened, the circulating pump 92 starts to work, and heat circulation is started, so that the heat generated by the solar heat collector 30 is rapidly transmitted into the heat storage coil 50.

As shown in fig. 1, 2 and 3, a reflective film 60 is laid below the thermal storage coil 50, and the reflective film 60 can reflect and block heat emitted from the thermal storage coil 50, so that heat around the thermal storage coil 50 can be effectively prevented from permeating downwards, and heat loss is reduced. In the present embodiment, the reflective film 60 is preferably in a strip shape and is laid along the laying track of the thermal storage coil 50, and more preferably, the width of the reflective film 60 is 3 to 4 times the diameter of the thermal storage coil 50.

As shown in fig. 1, 2 and 3, in the present embodiment, preferably, a plurality of solar heat collectors 30 are installed in the east-west direction of the frame 10, more preferably, 4 to 8m, and a plurality of heat storage coils 50 are installed in the east-west direction of the greenhouse, and the number of the heat storage coils 50 is equal to the number of the solar heat collectors 30. The east-west dimension occupied by the single-set solar heat collector 30 is consistent with the east-west dimension occupied by the single-set heat storage coil 50 corresponding to the single-set solar heat collector in the vertical direction, namely, the dimension of the single-set solar heat collector 30 in the east-west direction is equal to the dimension of the single-set heat storage coil 50 located right below the single-set solar heat collector in the east-west direction. The solar thermal collector 30 and the thermal storage coil 50, which correspond in the vertical direction, constitute one thermal storage circulation unit. Divide into a plurality of heat accumulation circulation units with solar collector 30 and heat accumulation coil 50 and be favorable to thermal circulation, can guarantee that the heat in the heat accumulation coil 50 is more even to can guarantee that the temperature of each position is unanimous in the greenhouse, be favorable to the growth of crop.

As shown in fig. 1, a circle of heat-insulating layer 40 is vertically arranged around the ground of the greenhouse, the heat-insulating layer 40 is preferably a foam board, the height of the heat-insulating layer 40 is more preferably 60-80 cm, and the heat-storage coil 50 is located in the area surrounded by the heat-insulating layer 40. The heat-insulating layer 40 can effectively prevent heat from diffusing from the ground to the periphery, and further increase the heat-insulating effect.

As shown in fig. 1 and fig. 2, the ultra-low energy consumption plant factory of the present invention further comprises a controller (not shown in the figure), a solar heat collector 30, a solenoid valve 90, a circulating pump 92, a temperature sensor, a top film opening and closing motor, a heat insulation curtain opening and closing motor, a fan 70 and a wet curtain 80. The controller controls the electromagnetic valve 90 and the circulating pump 92 to be closed and opened according to the temperature value of the heat-conducting solution collected by the temperature sensor. The preferred controller of this embodiment accessible wireless network and cell-phone APP or remote computer communication connection to can realize remote control, realize closing and opening of long-range coordinated control top membrane motor, heat preservation curtain motor, the circulating water pump etc. of fan 70 and wet curtain 80 that opens and shuts.

As shown in fig. 1 and 2, the south side of the frame 10 is provided with a photovoltaic panel 32, and the photovoltaic panel 32 is electrically connected with a storage battery (not shown in the figure), i.e. the power generated by the photovoltaic panel 32 is stored by the storage battery. The storage battery is electrically connected with the controller, the solar heat collector 30, the electromagnetic valve 90, the circulating pump 92, the top film opening and closing motor, the heat insulation curtain opening and closing motor, the fan 70 and the circulating water pump of the wet curtain 80, and supplies power for all electric equipment in the factory. The utility model discloses super low energy consumption plant factory is through establishing photovoltaic power generation board 32 certainly and generating electricity and supply with the interior consumer of mill and use, has realized self-sufficiency, need not to use the commercial power, has realized the operation of super low energy consumption, has reduced the running cost promptly, economic environmental protection again, further improvement peasant's economic benefits.

Therefore, the ultra-low energy consumption plant factory adopts environment-friendly and clean solar energy to realize the heating of the greenhouse and the operation of each electric device, does not need external energy, has extremely low energy consumption, greatly saves energy and reduces the operation cost; meanwhile, the plants can be planted all the year round, the growth period of the plants is prolonged, the utilization rate of the land is improved, the economic benefit of farmers can be greatly increased, the method has an obvious technical effect in the field of agriculture, and the method is worthy of wide popularization.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The ultra-low energy consumption plant factory comprises a frame (10) and a shed film, wherein the frame (10) and the shed film jointly enclose a greenhouse of the plant factory, and the plant factory is characterized in that a solar thermal collector (30) is installed at the top of the frame (10), a heat storage coil (50) is laid below the ground within the greenhouse, the liquid inlet end of the heat storage coil (50) is communicated with the liquid outlet of the solar thermal collector (30), and the liquid outlet end of the heat storage coil (50) is communicated with the liquid return port of the solar thermal collector (30); and heat conducting solution is filled in the solar heat collector (30) and the heat storage coil (50).

2. The ultra-low energy consumption plant factory according to claim 1, wherein the liquid inlet end of the heat storage coil (50) is connected to the liquid outlet of the solar heat collector (30) through a liquid outlet pipe (52), the liquid outlet end of the heat storage coil (50) is connected to the liquid return port of the solar heat collector (30) through a liquid return pipe (54), the liquid outlet pipe (52) is provided with a solenoid valve (90), and the liquid return pipe (54) is provided with a circulating pump (92) and a temperature sensor.

3. The ultra-low energy plant factory according to claim 2, wherein a reflective film (60) is arranged below the heat storage coil (50), and the width of the reflective film (60) is 3-4 times the diameter of the heat storage coil (50).

4. The ultra-low energy plant factory according to claim 1, wherein an insulating layer (40) is vertically surrounded along the contour of the greenhouse under the ground, and the height of the insulating layer (40) is 60-80 cm; the heat storage coil (50) is positioned in an area surrounded by the heat insulation layer (40).

5. Ultra low energy consumption plant factory according to claim 2, wherein said solar collectors (30) are mounted on the north side of said frame (10), said solar collectors (30) being mounted in one or two rows in the north-south direction.

6. The ultra-low energy plant factory according to claim 5, wherein said solar thermal collectors (30) are installed in multiple sets along the east-west direction of said frame (10), said thermal storage coil (50) is laid in multiple sets along the east-west direction of said greenhouse, the east-west dimension occupied by a single set of said solar thermal collectors (30) is identical to the east-west dimension occupied by a single set of said thermal storage coil (50) corresponding to the single set in the vertical direction; the solar heat collector (30) and the heat storage coil (50) which correspond to each other in the vertical direction constitute a heat storage circulation unit.

7. The ultra-low energy consumption plant factory according to claim 2, wherein said greenhouse film comprises side films (24) and a top film, said top film comprises an outer top film (20) and an inner top film (22), both said outer top film (20) and said inner top film (22) are openable and closable driven by a top film opening and closing motor; the inner sides of the side films (24) and the inner layer top film (22) are provided with inner heat insulation curtains (26), and the top and the side parts of the inner heat insulation curtains (26) are driven by heat insulation curtain opening and closing motors to be opened and closed; be located all seted up the installing port on the side membrane (24) of east and west direction, be located one side installing port department installs fan (70), is located the opposite side installing port department installs wet curtain (80).

8. The ultra-low energy plant factory according to claim 7, further comprising a controller, wherein the solar collector (30), the solenoid valve (90), the circulation pump (92), the temperature sensor, the top film opening and closing motor, the thermal curtain opening and closing motor, the fan (70) and the circulation pump of the wet curtain (80) are all electrically connected to the controller.

9. The ultra-low energy consumption plant factory according to claim 8, wherein a photovoltaic panel (32) is mounted on the south side of the frame (10), and the photovoltaic panel (32) is electrically connected with a storage battery, and the storage battery is electrically connected with the controller, the solar heat collector (30), the electromagnetic valve (90), the circulating pump (92), the top film opening and closing motor, the heat insulation curtain opening and closing motor, the fan (70) and the circulating water pump of the wet curtain (80).

10. The ultra low energy plant factory according to claim 1, wherein said heat conducting solution is a superconducting liquid or water.