A multifunctional graphene heating and insulation equipment for solar greenhouses

Abstract

The present invention discloses a multifunctional graphene heating and heat preservation device for a solar greenhouse, which relates to the field of greenhouse planting technology. The device comprises a greenhouse, a hollow wall fixed to the side of the greenhouse, and a temperature control mechanism for heating and heat preservation is provided on the side of the hollow wall; a plurality of ventilation mechanisms for replacing air inside the greenhouse are provided on the top of the greenhouse; a refraction mechanism for improving the heating efficiency of the temperature control mechanism is provided on the top of the ventilation mechanism, and the refraction mechanism includes a refraction window rotatably installed on the top of each ventilation window; the interior of the greenhouse is ventilated by rotating the ventilation mechanism, and the rotation of the refraction mechanism is used to refract sunlight onto the surface of the temperature control mechanism, thereby improving the heating and heat preservation efficiency of the temperature control mechanism. The multifunctional graphene heating and heat preservation device for a solar greenhouse disclosed by the present invention has the effects of high operating efficiency and versatility.

Description

Technical Field

[0001] The present invention relates to the technical field of greenhouse planting, and in particular to a multifunctional graphene heating and heat preservation device for a solar greenhouse. Background Art

[0002] Solar greenhouse is the abbreviation of energy-saving solar greenhouse, also known as warm shed. It consists of two side gables, a protective rear wall, a supporting frame and covering materials. It is a type of greenhouse unique to northern my country. It is a greenhouse that is not heated indoors. It absorbs solar energy through the rear wall to store and release heat, maintaining a certain temperature level indoors to meet the needs of vegetable crop growth.

[0003] In order to improve the thermal insulation efficiency of solar greenhouses, most existing solar greenhouses will additionally install graphene heating wall panels on the rear wall to perform light-to-heat conversion through graphene materials. However, in actual use, this type of graphene heating and insulation wall panels, on the one hand, when the equipment has sufficient sunlight during the day, will generate a large amount of heat surplus that cannot be fully utilized, resulting in a waste of resources; on the other hand, because the light angle will change accordingly with the change of time and season, it is impossible to effectively ensure that the graphene heating and insulation wall panels can adapt to the changes in sunlight angle in different seasons and time periods, thereby affecting the working efficiency of the equipment. Summary of the Invention

[0004] The present invention discloses a multifunctional graphene heating and heat preservation device for a solar greenhouse, which aims to solve the technical problems that, when the existing graphene heating and heat preservation device for a solar greenhouse is actually used, on the one hand, when the device has sufficient sunlight hours during the day, a large amount of heat surplus is generated and cannot be fully utilized, thereby wasting resources; on the other hand, the device cannot adaptively adjust the light receiving angle as the sunlight angle changes, thereby affecting the working efficiency of the device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A multifunctional graphene heating and insulation device for a solar greenhouse comprises a greenhouse and a hollow wall fixed to the side of the greenhouse. A temperature control mechanism for heating and insulation is provided on the side of the hollow wall. The temperature control mechanism comprises a coiled curved pipe fixed inside the hollow wall. A graphene heating wall is horizontally distributed on the outside of the coiled curved pipe. The graphene heating wall is fixed to the side of the hollow wall and conducts heat to cold water inside the coiled curved pipe.

[0007] The top of the greenhouse is provided with a plurality of ventilation mechanisms for replacing air inside the greenhouse. The ventilation mechanisms include a plurality of frames fixedly mounted on the top of the greenhouse, and a ventilation window is rotatably mounted on the top of each frame.

[0008] The top of the ventilation mechanism is provided with a refraction mechanism for improving the heating efficiency of the temperature control mechanism, and the refraction mechanism includes a refraction window rotatably mounted on the top of each ventilation window;

[0009] The air inside the greenhouse is exchanged by rotating the air exchange mechanism, and the sunlight is refracted onto the surface of the temperature control mechanism by rotating the refraction mechanism, thereby improving the heating and heat preservation efficiency of the temperature control mechanism.

[0010] By setting a temperature control mechanism on the side of the hollow wall for heating and insulating the interior of the greenhouse, sunlight is irradiated on the graphene heating wall inside the temperature control mechanism, and light-heat conversion is performed through the graphene heating wall, thereby insulating and heating the interior of the greenhouse. At the same time, the surplus heat generated by the operation of the graphene heating wall can be stored by the temperature control mechanism, and thus used for heating and insulating work at night, thereby improving the energy utilization rate of traditional equipment. The refraction mechanism additionally arranged on the top of the greenhouse can cooperate with the operation of the air exchange mechanism to realize various working modes such as air exchange refraction, non-air exchange refraction, and air exchange without refraction, and refract the sunlight onto the graphene heating wall, thereby further improving the insulation and heating efficiency of the equipment.

[0011] In a preferred embodiment, the temperature control mechanism further includes a water tank distributed at the bottom of the coiled bend pipe, a first control pump and a second control pump are respectively provided at both ends of the coiled bend pipe, an insulation zone and a water storage zone are respectively provided at both ends of the interior of the water tank, the first control pump is connected to the interior of the insulation zone, and the second control pump is connected to the interior of the water storage zone.

[0012] By additionally providing a coiled bend structure on the side of the graphene heating wall, the operation of the second control pump is used to introduce the cold water inside the water storage area into the coiled bend, and the operation of the graphene heating wall is coordinated to heat the cold water inside the coiled bend, and then the first control pump is used to store the hot water inside the insulation area, so that the hot water is used to transfer heat to the graphene heating wall at night, thereby utilizing the heat surplus when the graphene heating wall is running during the day, thereby improving the energy utilization rate of traditional equipment.

[0013] In a preferred solution, the air exchange mechanism further includes a first glass fixedly installed inside the air exchange window, a first electric push rod rotatably installed on the side of one of the frames, and an output end of the first electric push rod is connected to the air exchange window.

[0014] By providing an air exchange window structure that is rotatably mounted on the top of the frame, the output shaft of the first electric push rod is extended to push the air exchange window, causing the air exchange window to rotate around the frame, thereby opening the air outlet and replacing the air inside the greenhouse, thereby ensuring the complete functionality of the traditional solar greenhouse.

[0015] In a preferred embodiment, the refraction mechanism also includes a second electric push rod fixedly installed on the outer side of each refraction window, the output end of the second electric push rod horizontally penetrates into the interior of the refraction window, and the end of the output shaft of the second electric push rod is fixedly installed with a connecting member, the top of the air exchange window is provided with a lower sliding groove, the bottom of the refraction window is provided with an upper sliding groove, the bottom of the refraction window is provided with an inclined surface, the upper sliding groove and the end of the inclined surface are connected, the bottom of the connecting member is slidably distributed inside the lower sliding groove, and the top of the connecting member is slidably distributed inside the upper sliding groove, and a flexible lens is fixedly installed inside the refraction window, one end of the flexible lens is fixed to the inner side of the refraction window, and the other end of the flexible lens horizontally penetrates into the interior of the upper sliding groove and is slidably connected to the upper sliding groove, and at the same time, the end of the flexible lens is squeezed and restricted by the connecting member. When the refraction window and the air exchange window are closed, the flexible lens is in a folded state and presses and contacts the top of the first glass.

[0016] A refractive window structure is further provided at the top of the air exchange window, and a second electric push rod is used to drive the connecting member to move horizontally along the interior of the upper sliding groove and the lower sliding groove. The front connecting member moves along the upper sliding groove to complete the unwinding of the folded flexible lens, and the rear connecting member moves along the inclined surface to complete the squeezing of the refractive window, causing the refractive window to rotate around the air exchange window. At the same time, the unrolled flexible lens is driven toward the direction of sunlight and refracts sunlight onto the graphene heating wall, thereby increasing the light exposure time of the graphene heating wall and improving the heat preservation and warming efficiency of the device for the solar greenhouse.

[0017] In a preferred solution, lower connecting grooves are symmetrically provided on both sides of the bottom of the lower sliding groove, an axis rod is provided at the bottom of the connecting member, and the axis rod is slidably connected to the inside of the lower connecting groove, an upper connecting groove is provided through the interior of the upper sliding groove and the inclined surface, a sliding rod is provided at the top of the connecting member, and the sliding rod is slidably connected to the inside of the upper connecting groove, and an extrusion rod is provided on the side of the connecting member, and the extrusion rod is squeezed and contacted with the inclined surface.

[0018] By symmetrically opening lower connecting grooves on both sides of the bottom of the lower sliding groove and opening an upper connecting groove through the interior of the upper sliding groove and the inclined surface, the lower connecting groove, the upper connecting groove and the connecting component cooperate with each other to ensure the structural stability between the refraction window and the air exchange window.

[0019] From the above, it can be seen that the multifunctional graphene heating and heat preservation equipment for solar greenhouse provided by the present invention has the following technical effects.

[0020] First, by additionally providing a coiled bend structure on the side of the graphene heating wall, the second control pump is used to introduce the cold water inside the water storage area into the coiled bend, and the cold water inside the coiled bend is heated in conjunction with the operation of the graphene heating wall. The first control pump is then used to store the hot water inside the insulation area, so that the hot water is used to transfer heat to the graphene heating wall at night. The graphene heating wall is used to insulate and increase the temperature of the greenhouse, and the heat surplus of the graphene heating wall during daytime operation is utilized, thereby reducing the heat energy loss rate of the traditional graphene heating wall, and at the same time reducing the electricity consumption required for the traditional graphene heating wall to perform electric heat conversion at night, thereby improving the energy utilization rate of traditional equipment and reducing operating costs.

[0021] Secondly, a ventilation window structure rotatably mounted on the top of the frame is provided at the top of the greenhouse, and the output shaft of the first electric push rod is extended to push the ventilation window, causing the ventilation window to rotate around the frame, thereby opening the air outlet and replacing the air inside the greenhouse, ensuring the functionality of the traditional solar greenhouse, and a refractive window structure is further provided on the top of the ventilation window, and the second electric push rod is used to drive the connecting member to move horizontally along the interior of the upper sliding groove and the lower sliding groove, and then the front connecting member moves along the upper sliding groove to complete the unwinding of the folded flexible lens, and the rear connecting member moves along the inclined surface to complete the squeezing of the refractive window, causing the refractive window to rotate around the ventilation window, while rotating, driving the unwound flexible lens toward the direction of sunlight and refracting sunlight onto the graphene heating wall, so that the device can perform multiple working modes such as ventilation without refraction, ventilation refraction, and no ventilation but refraction, thereby increasing the light exposure time of the graphene heating wall and further improving the insulation and warming efficiency of the solar greenhouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure proposed by the present invention.

[0023] Figure 2 This is a schematic diagram of the internal structure of the hollow wall proposed in the present invention.

[0024] Figure 3 This is a schematic diagram of the temperature control mechanism structure proposed in the present invention.

[0025] Figure 4 This is a schematic diagram of the greenhouse top structure proposed by the present invention.

[0026] Figure 5 This is an exploded view of the frame top structure proposed by the present invention.

[0027] Figure 6 This is a schematic diagram of the internal structure of the refractive window proposed in the present invention.

[0028] Figure 7 This is a cross-sectional view of the side structure of the refractive window proposed by the present invention.

[0029] Figure 8 The present invention proposes Figure 7 A magnified view of the structure at point A.

[0030] Figure 9 This is a schematic diagram of the bottom structure of the refractive window proposed in the present invention.

[0031] Figure 10 The present invention proposes Figure 9 A magnified view of the structure at point B.

[0032] Figure 11 This is a schematic diagram of the top structure of the air exchange window proposed in the present invention.

[0033] Figure 12 This is a cross-sectional view of the air exchange window structure proposed by the present invention.

[0034] Figure 13 This is a schematic structural diagram of the connecting component proposed in the present invention.

[0035] Figure 14 This is a diagram of the light refraction angle when the refraction mechanism proposed by the present invention is in operation.

[0036] Figure 15 This is a cross-sectional view of the operating state of the refraction mechanism proposed by the present invention.

[0037] In the figure: 1. Greenhouse; 2. Hollow wall; 3. Temperature control mechanism; 301. Coiled bend; 302. Water tank; 303. First control pump; 304. Second control pump; 305. Insulation zone; 306. Water storage zone; 307. Graphene heating wall; 4. Ventilation mechanism; 401. Frame; 402. Ventilation window; 403. First glass; 404. First electric push rod; 405. Connecting rod; 5. Refraction mechanism; 501. Refraction window; 502. Second electric push rod; 503. Connecting member; 5031. Sliding rod; 5032. Extrusion rod; 5033. Shaft; 504. Lower sliding groove; 5041. Lower connecting groove; 505. Upper sliding groove; 5051. Upper connecting groove; 506. Inclined surface; 507. Flexible lens; 508. Spring; 509. Second glass; 6. Straight groove. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0039] The invention discloses a multifunctional graphene heating and heat preservation device for a solar greenhouse, which is mainly used for heat preservation and heat preservation in a solar greenhouse.

[0040] Reference Figures 1 to 15 A multifunctional graphene heating and heat preservation device for a solar greenhouse comprises a greenhouse 1, a hollow wall 2 fixed to the side of the greenhouse 1, a temperature control mechanism 3 for heating and heat preservation is provided on the side of the hollow wall 2, the temperature control mechanism 3 comprises a coiled bend 301 fixed inside the hollow wall 2, a graphene heating wall 307 is horizontally distributed on the outside of the coiled bend 301, the graphene heating wall 307 is fixed to the side of the hollow wall 2, and conducts heat to the cold water inside the coiled bend 301; a plurality of exchangers are provided on the top of the greenhouse 1 for replacing air inside the greenhouse 1 The wind mechanism 4, the air exchange mechanism 4 includes several frames 401 fixedly installed on the top of the greenhouse 1, and an air exchange window 402 is rotatably installed on the top of each frame 401; the top of the air exchange mechanism 4 is provided with a refraction mechanism 5 for improving the heating efficiency of the temperature control mechanism 3, and the refraction mechanism 5 includes a refraction window 501 rotatably installed on the top of each air exchange window 402; the interior of the greenhouse 1 is exchanged by rotating the air exchange mechanism 4, and the rotation of the refraction mechanism 5 is used to refract sunlight onto the surface of the temperature control mechanism 3, thereby improving the heating and heat preservation efficiency of the temperature control mechanism 3.

[0041] In this embodiment: On sunny days, as the sun rises, sunlight will pass through the transparent film covering the surface of the greenhouse 1 and irradiate the surface of the temperature control mechanism 3. At this time, the graphene heating wall 307 located on the side of the hollow wall 2 will absorb the photons in the sunlight. The absorbed photons will excite the electrons in the graphene and convert them into lattice vibrations (heat) through non-radiative relaxation (electron-phonon interaction), thereby causing the entire graphene heating wall 307 to generate heat and heat and insulate the interior of the greenhouse 1. As the graphene heating wall 307 continues to operate, the excess heat generated at this time will be stored through the temperature control mechanism 3. At night, the stored heat will continue to be conducted through the graphene heating wall 307. To the interior of the greenhouse 1. During this process, if the heat generated by the self-heating of the temperature control mechanism 3 does not reach the set value, the control system starts the power supply additionally connected to the graphene heating wall 307 to provide low-voltage power to the graphene heating wall 307, thereby performing auxiliary electric heating; when the interior of the greenhouse 1 needs to be replaced with air, the operator starts the air exchange mechanism 4, causing an air exchange port to appear on the top of the greenhouse 1, thereby replacing the air inside the greenhouse 1; and on sunny days, as the sun rises, the refraction mechanism 5 arranged on the top of the air exchange mechanism 4 will self-start, and while rotating with the light, it will refract sunlight onto the graphene heating wall 307, thereby improving the light-to-heat conversion efficiency of the graphene heating wall 307.

[0042] Reference Figures 1 to 3In a preferred embodiment, the temperature control mechanism 3 also includes a water tank 302 distributed at the bottom of the winding bend 301, and a first control pump 303 and a second control pump 304 are respectively provided at both ends of the winding bend 301. The inner ends of the water tank 302 are respectively provided with an insulation zone 305 and a water storage zone 306. The first control pump 303 and the insulation zone 305 are internally connected, and the second control pump 304 and the water storage zone 306 are internally connected.

[0043] On a sunny day, as the sun rises, sunlight will pass through the transparent film covering the surface of the greenhouse 1 and illuminate the surface of the temperature control mechanism 3. At this time, the graphene heating wall 307 located on the side of the hollow wall 2 generates heat and heats up and insulates the interior of the greenhouse 1. While the graphene heating wall 307 is running, the second control pump 304 is running and the first control pump 303 is closed, pumping the heat transfer medium inside the water storage interval 306 into the interior of the winding bend pipe 301. As the graphene heating wall 307 continues to operate, the excess heat generated at this time will be transferred to the heat transfer medium through the winding bend pipe 301, thereby controlling the temperature inside the winding bend pipe 301. The heat-conducting medium is heated. After the heat-conducting medium reaches the specified temperature, the first control pump 303 is started to introduce the heated heat-conducting medium into the internal storage of the insulation zone 305. At night, the first control pump 303 is running and the second control pump 304 is closed to guide the high-temperature heat-conducting medium back to the inside of the winding bend pipe 301, and continue to conduct heat to the inside of the greenhouse 1 through the graphene heating wall 307. During this process, if the heat generated by the self-heating of the temperature control mechanism 3 does not reach the set value, the control system starts the power supply additionally connected to the graphene heating wall 307 to provide low-voltage power to the graphene heating wall 307, thereby performing auxiliary electric heating.

[0044] Among them, pressure relief valve assemblies are additionally provided at both ends of the coiled bend 301. When the heat transfer medium is pumped from the coiled bend 301 into the insulation zone 305 through the first control pump 303, negative pressure will gradually be generated inside the curved coil 301. At this time, the pressure relief valve assembly is activated to balance the pressure inside the curved coil 301. Similarly, the same is true when the curved coil 301 and the water storage zone 306 are in operation.

[0045] Reference Figures 4 to 8 、 Figures 11 to 12 In a preferred embodiment, the air exchange mechanism 4 also includes a first glass 403 fixedly installed inside the air exchange window 402, a first electric push rod 404 rotatably installed on the side of a frame 401, and the output end of the first electric push rod 404 is connected to the air exchange window 402.

[0046] When the interior of the greenhouse 1 needs to be replaced with air, the operator starts the first electric push rod 404, causing the output shaft of the first electric push rod 404 to extend outward and push the air exchange window 402, causing the air exchange window 402 to drive the first glass 403 to rotate around the side of the frame 401, thereby causing an air exchange port to appear on the top of the greenhouse 1, replacing the air inside the greenhouse 1; wherein, the ends of several air exchange windows 402 are connected together with a connecting rod 405, and the end of the connecting rod 405 is rotatably connected to the output end of the first electric push rod 404. The air exchange window 402 pushed by the first electric push rod 404 can drive the other several air exchange windows 402 to rotate synchronously through the connecting rod 405.

[0047] Reference Figure 1 、 Figures 4 to 13 In a preferred embodiment, the refraction mechanism 5 further includes a second electric push rod 502 fixedly mounted on the outside of each refraction window 501, the output end of the second electric push rod 502 horizontally extending into the interior of the refraction window 501, a connecting member 503 fixedly mounted on the output shaft end of the second electric push rod 502, a lower sliding groove 504 is provided on the top of the air exchange window 402, an upper sliding groove 505 is provided on the bottom of the refraction window 501, an inclined surface 506 is provided on the bottom of the refraction window 501, the upper sliding groove 505 and the end of the inclined surface 506 are connected, and the bottom sliding distribution of the connecting member 503 Inside the lower sliding groove 504, the top of the connecting member 503 slides and is distributed inside the upper sliding groove 505. A flexible lens 507 is fixedly installed inside the refractive window 501. One end of the flexible lens 507 is fixed to the inner side of the refractive window 501, and the other end of the flexible lens 507 horizontally penetrates into the interior of the upper sliding groove 505 and is slidably connected to the upper sliding groove 505. At the same time, the end of the flexible lens 507 is squeezed and restricted by the connecting member 503. When the refractive window 501 and the air exchange window 402 are closed, the flexible lens 507 is in a folded state and squeezes and contacts the top of the first glass 403.

[0048] When it is necessary to increase the light receiving time and efficiency of the graphene heating wall 307, but there is no need to ventilate the interior of the greenhouse 1, the photosensor additionally arranged on the side of the second electric push rod 502 is exposed to sunlight, which will drive the second electric push rod 502 to start, and the output end of the second electric push rod 502 will shrink, thereby driving the connecting member 503 to move horizontally along the interior of the upper sliding groove 505 and the lower sliding groove 504. While moving, the connecting member 503 will reduce the squeezing force on the flexible lens 507, causing the folded flexible lens 507 to slowly stretch until the flexible lens 507 is completely stretched along the interior of the refractive window 501. The connecting member 503 is unfolded, and at the same time, it moves to the connection point between the upper sliding groove 505 and the inclined surface 506. At this time, the connecting member 503 that continues to move will be squeezed and contacted with the inclined surface 506, thereby pushing the refraction window 501 to rotate around the air exchange window 402 through the inclined surface 506. The photosensor additionally provided on the side of the second electric push rod 502 will sense the direct angle of sunlight and control the contraction amplitude of the output shaft of the second electric push rod 502, thereby driving the refraction window 501 and the stretched flexible lens 507 to rotate with the light, and at the same time refract the sunlight onto the graphene heating wall 307, thereby improving the light-to-heat conversion efficiency of the graphene heating wall 307.

[0049] When the operator needs to increase the light receiving time and efficiency of the graphene heating wall 307 and needs to ventilate the interior of the greenhouse 1, the control system remotely controls the second electric push rod 502 to start, and the output end of the second electric push rod 502 contracts, thereby driving the connecting member 503 to move horizontally along the interior of the upper sliding groove 505 and the lower sliding groove 504. While moving, the connecting member 503 will reduce the squeezing force on the flexible lens 507, causing the folded flexible lens 507 to slowly stretch until the flexible lens 507 is completely stretched along the interior of the refractive window 501. At the same time, the connecting member 503 moves to the upper sliding groove 505 and the oblique sliding groove 504. When the second electric push rod 502 is connected to the surface 506, the second electric push rod 502 stops running and maintains the current output shaft position, causing the flexible lens 507 to stretch but the refractive window 501 to remain motionless, and the control system starts the first electric push rod 404, causing the output shaft of the first electric push rod 404 to extend outward and push the air exchange window 402, causing the air exchange window 402 to drive the first glass 403 to rotate around the side of the frame 401, thereby causing an air exchange outlet to appear on the top of the greenhouse 1, and as the air exchange window 402 rotates, the stretched flexible lens 507 and the refractive window 501 at the top of the air exchange window 402 will rotate synchronously, thereby refracting sunlight onto the graphene heating wall 307.

[0050] A spring 508 is fixedly connected between the end of the flexible lens 507 and the upper sliding groove 505. When the output end of the second electric push rod 502 contracts, it drives the connecting member 503 to move horizontally along the interior of the upper sliding groove 505 and the lower sliding groove 504. During the movement, the connecting member 503 reduces the squeezing force on the flexible lens 507. At this time, the folded flexible lens 507 is pushed by the extended spring 508, thereby slowly stretching.

[0051] A second glass 509 is fixedly installed on the top of the refractive window 501. The second glass 509 blocks the top of the flexible lens 507 to prevent debris from entering the interior of the refractive window 501 while not affecting the lighting inside the greenhouse 1. A straight groove 6 is provided on the inner side of the refractive window 501, and one end of the flexible lens 507 is slidably connected to the inside of the straight groove 6 to maintain the stability of the flexible lens 507.

[0052] Further, it is supplemented that: lower connecting grooves 5041 are symmetrically opened on both sides of the bottom of the lower sliding groove 504, a shaft rod 5033 is provided at the bottom of the connecting member 503, and the shaft rod 5033 is slidably connected to the interior of the lower connecting groove 5041, an upper connecting groove 5051 is opened through the interior of the upper sliding groove 505 and the inclined surface 506, a sliding rod 5031 is provided on the top of the connecting member 503, and the sliding rod 5031 is slidably connected to the interior of the upper connecting groove 5051, and an extrusion rod 5032 is provided on the side of the connecting member 503, When the connecting member 503 is pulled by the output shaft of the second electric push rod 502, the shaft 5033 and the sliding rod 5031 at both ends of the connecting member 503 will slide along the inside of the lower connecting groove 5041 and the upper connecting groove 5051 respectively, without affecting the movement of the connecting member 503, while maintaining the stability of the refraction window 501, so that the refraction window 501 cannot rotate at will, and the squeezing rod 5032 will squeeze and contact the slope 506, thereby pushing the refraction window 501 to flip upward, as shown in FIG. Figure 15 shown.

[0053] This application works in the following ways:

[0054] On sunny days: sunlight will pass through the transparent film covering the surface of the greenhouse 1 and irradiate the graphene heating wall 307, thereby causing the entire graphene heating wall 307 to generate heat and heat the interior of the greenhouse 1. While the graphene heating wall 307 is running, the second control pump 304 is running and the first control pump 303 is closed, pumping the heat transfer medium inside the water storage area 306 into the inside of the winding bend pipe 301. As the graphene heating wall 307 continues to run, the excess heat generated at this time will be transferred to the heat transfer medium through the winding bend pipe 301, thereby heat transfer medium inside the winding bend pipe 301. Heating: After the heat-conducting medium reaches the specified temperature, the first control pump 303 is started to guide the heated heat-conducting medium into the internal storage of the insulation zone 305. At night, the first control pump 303 is running and the second control pump 304 is closed, guiding the high-temperature heat-conducting medium back to the inside of the winding bend pipe 301, and continuing to conduct heat to the inside of the greenhouse 1 through the graphene heating wall 307. During this process, if the heat generated by the self-heating of the temperature control mechanism 3 does not reach the set value, the control system starts the power supply additionally connected to the graphene heating wall 307 to provide low-voltage power to the graphene heating wall 307, thereby performing auxiliary electric heating;

[0055] When the operator only needs to ventilate the interior of the greenhouse 1 and it is cloudy: the control system activates the first electric push rod 404, causing the output shaft of the first electric push rod 404 to extend outward and push the air exchange window 402, causing the air exchange window 402 to drive the first glass 403 to rotate around the side of the frame 401, thereby causing an air exchange vent to appear on the top of the greenhouse 1 to replace the air inside the greenhouse 1;

[0056] When the operator needs to increase the light receiving time and efficiency of the graphene heating wall 307, and does not need to ventilate the interior of the greenhouse 1: as the sun rises, the photosensor additionally arranged on the side of the second electric push rod 502 is exposed to sunlight, and the control system will drive the second electric push rod 502 to start, and the output end of the second electric push rod 502 will shrink, thereby driving the connecting member 503 to move horizontally along the interior of the upper sliding groove 505 and the lower sliding groove 504. While moving, the connecting member 503 will reduce the squeezing force on the flexible lens 507, causing the folded flexible lens 507 to slowly stretch until the flexible lens 507 is completely stretched along the interior of the refractive window 501, and at the same time, the connecting member 503 moves to the junction of the upper sliding groove 505 and the inclined surface 506. At this time, the connecting member 503 that continues to move will be squeezed and contacted with the inclined surface 506, thereby pushing the refractive window 501 to rotate around the air exchange window 402 through the inclined surface 506. The photosensor additionally arranged on the side of the second electric push rod 502 will sense the direct angle of sunlight and control the contraction amplitude of the output shaft of the second electric push rod 502, thereby driving the refractive window 501 and the stretched flexible lens 507 to rotate with the light, and at the same time refract the sunlight onto the graphene heating wall 307, thereby improving the light-to-heat conversion efficiency of the graphene heating wall 307. For example, the solar altitude angle of afternoon light in a certain place is -30°, and the refractive state of the refractive window 501 after expansion is as shown in the attached figure. Figure 14 As shown;

[0057] And when the operator needs to increase the light receiving time and efficiency of the graphene heating wall 307, and needs to ventilate the interior of the greenhouse 1: the control system remotely controls the second electric push rod 502 to start, and the output end of the second electric push rod 502 contracts, thereby driving the connecting member 503 to move horizontally along the interior of the upper sliding groove 505 and the lower sliding groove 504. While moving, the connecting member 503 will reduce the squeezing force on the flexible lens 507, causing the folded flexible lens 507 to slowly stretch until the flexible lens 507 is completely stretched along the interior of the refractive window 501. At the same time, when the connecting member 503 moves to the junction of the upper sliding groove 505 and the inclined surface 506 , the second electric push rod 502 stops running and maintains the current output shaft position, causing the flexible lens 507 to stretch but the refractive window 501 to remain motionless, and the control system starts the first electric push rod 404, causing the output shaft of the first electric push rod 404 to extend outward and push the air exchange window 402, causing the air exchange window 402 to drive the first glass 403 to rotate around the side of the frame 401, thereby causing an air exchange outlet to appear at the top of the greenhouse 1, and as the air exchange window 402 rotates, the stretched flexible lens 507 and the refractive window 501 at the top of the air exchange window 402 will rotate synchronously, thereby refracting sunlight onto the graphene heating wall 307, thereby improving the light-to-heat conversion efficiency of the graphene heating wall 307.

[0058] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A multifunctional graphene heating and heat preservation device for a solar greenhouse, comprising a greenhouse (1) and a hollow wall (2) fixed to the side of the greenhouse (1), characterized in that: A temperature control mechanism (3) for heating and heat preservation is provided on the side of the hollow wall (2), the temperature control mechanism (3) comprising a coiled curved pipe (301) fixed inside the hollow wall (2), a graphene heating wall (307) horizontally distributed outside the coiled curved pipe (301), the graphene heating wall (307) being fixed on the side of the hollow wall (2) and conducting heat to the cold water inside the coiled curved pipe (301); The top of the greenhouse (1) is provided with a plurality of ventilation mechanisms (4) for replacing air inside the greenhouse (1), the ventilation mechanisms (4) comprising a plurality of frames (401) fixedly mounted on the top of the greenhouse (1), and a ventilation window (402) rotatably mounted on the top of each frame (401); A refraction mechanism (5) for improving the heating efficiency of the temperature control mechanism (3) is provided on the top of the air exchange mechanism (4), and the refraction mechanism (5) includes a refraction window (501) rotatably mounted on the top of each of the air exchange windows (402); The air inside the greenhouse (1) is exchanged by rotating the air exchange mechanism (4), and the sunlight is refracted onto the surface of the temperature control mechanism (3) by rotating the refraction mechanism (5), thereby improving the heating and heat preservation efficiency of the temperature control mechanism (3); The air exchange mechanism (4) further includes a first glass (403) fixedly mounted inside the air exchange window (402); The refraction mechanism (5) further comprises a second electric push rod (502) fixedly mounted on the outside of each refraction window (501), the output end of the second electric push rod (502) horizontally extending through the interior of the refraction window (501), a connecting member (503) fixedly mounted on the output shaft end of the second electric push rod (502), a lower sliding groove (504) being provided at the top of the air exchange window (402), an upper sliding groove (505) being provided at the bottom of the refraction window (501), an inclined surface (506) being provided at the bottom of the refraction window (501), the upper sliding groove (505) being connected to the end of the inclined surface (506), the bottom of the connecting member (503) slidingly distributing in the lower sliding groove (504), and the upper sliding groove (505) and the inclined surface (506) being connected. 4), the top of the connecting member (503) is slidably distributed inside the upper sliding groove (505), and a flexible lens (507) is fixedly installed inside the refractive window (501), one end of the flexible lens (507) is fixed to the inner side of the refractive window (501), and the other end of the flexible lens (507) horizontally penetrates into the interior of the upper sliding groove (505) and is slidably connected to the upper sliding groove (505), and at the same time, the end of the flexible lens (507) is squeezed and restricted by the connecting member (503), and when the refractive window (501) and the air exchange window (402) are closed, the flexible lens (507) is in a folded state and squeezes and contacts the top of the first glass (403).

2. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 1, characterized in that: The temperature control mechanism (3) further comprises a water tank (302) distributed at the bottom of the coiled curved pipe (301), a first control pump (303) and a second control pump (304) are respectively provided at both ends of the coiled curved pipe (301), a heat preservation zone (305) and a water storage zone (306) are respectively provided at both ends inside the water tank (302), the first control pump (303) and the interior of the heat preservation zone (305) are connected in a through-connection manner, and the second control pump (304) and the interior of the water storage zone (306) are connected in a through-connection manner.

3. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 1, characterized in that: A first electric push rod (404) is rotatably mounted on a side surface of the frame (401), and an output end of the first electric push rod (404) is connected to the air exchange window (402).

4. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 3, characterized in that: A spring (508) is fixedly connected between the end of the flexible lens (507) and the upper sliding groove (505).

5. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 4, characterized in that: A second glass (509) is fixedly mounted on the top of the refractive window (501), and the second glass (509) blocks the top of the flexible lens (507).

6. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 5, characterized in that: Lower connecting grooves (5041) are symmetrically provided on both sides of the bottom of the lower sliding groove (504), and a shaft (5033) is provided at the bottom of the connecting member (503), and the shaft (5033) is slidably connected to the interior of the lower connecting groove (5041).

7. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 6, characterized in that: An upper connecting groove (5051) is provided inside the upper sliding groove (505) and the inclined surface (506), a sliding rod (5031) is provided on the top of the connecting member (503), and the sliding rod (5031) is slidably connected to the inside of the upper connecting groove (5051), and an extrusion rod (5032) is provided on the side of the connecting member (503), and the extrusion rod (5032) is in extrusion contact with the inclined surface (506).

8. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 4, characterized in that: A straight groove (6) is provided on the inner side of the refractive window (501), and one end of the flexible lens (507) is slidably connected to the inside of the straight groove (6).

9. The multifunctional graphene heating and heat preservation equipment for a solar greenhouse according to claim 3, characterized in that: The ends of the plurality of air exchange windows (402) are connected to a connecting rod (405) through which the ends of the connecting rod (405) are connected in rotation to the output end of the first electric push rod (404).

Images