Integrated regulation and control device and method for light, heat and water in greenhouse, and greenhouse
View Patent ↗The present disclosure discloses an integrated regulation and control device and method for light, heat and water in a greenhouse, and a greenhouse. The regulation and control device includes a shading and condensing plate arranged at a top of a chamber of a greenhouse; a cavity is formed in the shading and condensing plate; the shading and condensing plate is further provided with a water inlet and a water outlet which are communicated to the cavity; the regulation and control device further includes an energy supply system and a heat dissipation device; the energy supply system can inject a cold source into the cavity through the water inlet; the energy supply system can also transport a heat source to the heat dissipation device; the heat dissipation device can dissipate heat of the heat source into the greenhouse.
1 . An integrated regulation and control device for light, heat and water in a greenhouse, comprising a shading and condensing plate ( 1 ) arranged below a greenhouse roof; a cavity ( 2 ) is formed in the shading and condensing plate ( 1 ); the shading and condensing plate ( 1 ) is further provided with a water inlet ( 3 ) and a water outlet ( 4 ) which are communicated to the cavity ( 2 ); the regulation and control device further comprises an energy supply system ( 5 ) and a heat dissipation device ( 6 ); the energy supply system ( 5 ) is able to inject a cold source into the cavity ( 2 ) through the water inlet ( 3 ); when a surface temperature of the shading and condensing plate ( 1 ) is less than a dew-point temperature of air in the greenhouse, water in the air is coagulated on a surface of the shading and condensing plate ( 1 ); the cold source in the cavity ( 2 ) returns to the energy supply system ( 5 ) through the water outlet ( 4 ) after being heated by the sunlight, to store heat to the energy supply system ( 5 ); the energy supply system ( 5 ) is also able to transport part of the heat to the heat dissipation device ( 6 ); and the heat dissipation device ( 6 ) is able to dissipate the heat into the greenhouse,
the shading and condensing plate ( 1 ) is slantways arranged at a top of a chamber of the greenhouse; a water collection tank ( 7 ) is arranged at a bottom of the shading and condensing plate ( 1 ); and the water collection tank ( 7 ) is used for catching water that is coagulated on a bottom surface of the shading and condensing plate ( 1 ).
2 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 1 , wherein several hydrophilic bulges ( 8 ) are arranged on the bottom surface of the shading and condensing plate ( 1 ).
3 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 2 , wherein the several hydrophilic bulges ( 8 ) are arrayed on the bottom surface of the shading and condensing plate ( 1 ), and a diversion trench ( 9 ) located between every two adjacent rows of hydrophilic bulges ( 8 ) is formed in the bottom surface of the shading and condensing plate ( 1 ); the diversion trench ( 9 ) is communicated to each hydrophilic bulge ( 8 ) in two adjacent rows through a connecting slot ( 10 ); the connecting slots ( 10 ) tilt towards one side of the water collection tank ( 7 ); and the diversion trenches ( 9 ) are communicated to the water collection tank ( 7 ).
4 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 1 , wherein the cavity ( 2 ) is provided with a cooling end ( 11 ) and a heat conduction end ( 12 ) which are opposite to each other; the cooling end ( 11 ) is located below the heat conduction end ( 12 ); a distance between a top surface of the cavity ( 2 ) and a bottom surface of the cavity ( 2 ) gradually decreases from the cooling end ( 11 ) to the heat conduction end ( 12 ); the water inlet ( 3 ) is communicated with the cooling end ( 11 ); and the water outlet ( 4 ) is communicated with the heat conduction end ( 12 ).
5 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 1 , wherein the energy supply system ( 5 ) comprises a heat pump system ( 13 ); the heat pump system ( 13 ) comprises a cold end ( 14 ), a hot end ( 15 ) and a heat pump body ( 26 ); the cold end ( 14 ) comprises an evaporator ( 16 ) and a cold water tank ( 17 ); the evaporator ( 16 ) is able to cool water in the cold water tank ( 17 ); the water inlet ( 3 ) and the water outlet ( 4 ) are both communicated to the cold water tank ( 17 ) through pipes, so that a circulation cold source flow path ( 27 ) is formed between the cavity ( 2 ) and the cold water tank ( 17 ); the hot end ( 15 ) comprises a condenser ( 18 ) and a hot water tank ( 19 ); the condenser ( 18 ) is able to heat water in the hot water tank ( 19 ); the hot water tank ( 19 ) and the heat dissipation device ( 6 ) are communicated through a pipe to form a circulation heat source flow path ( 28 ); and the heat pump body ( 26 ) is able to transport heat stored in the cold end ( 14 ) to the hot end ( 15 ).
6 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 5 , wherein the heat dissipation device ( 6 ) comprises a heat dissipation pipe ( 20 ) arranged in the greenhouse, and the heat dissipation pipe ( 20 ) is communicated to the hot water tank ( 19 ).
7 . The integrated regulation and control device for light, heat and water in the greenhouse according to claim 5 , wherein a cold-water color adjustment device ( 21 ) is also communicated between the water inlet ( 3 ) and the cold water tank ( 17 ); and the cold-water color adjustment device ( 21 ) is able to inject pigments with different colors into cold water flowing by.
8 . A greenhouse, comprising: the integrated regulation and control device for light, heat and water in a greenhouse according to claim 1 .