CN210537762U

CN210537762U - High cold-resistant sunlight greenhouse

Info

Publication number: CN210537762U
Application number: CN201921437113.2U
Authority: CN
Inventors: 邓新福
Original assignee: Individual
Current assignee: Beijing Chengchuan Consulting Management Co.,Ltd.
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-19
Anticipated expiration: 2029-08-30

Abstract

The application discloses sunlight greenhouse of high cold resistance, establish the greenhouse main part together including two at least covers, have the clearance between the adjacent greenhouse main part. The gap serves as a part in the outer greenhouse main body, the gap is isolated from the outer space of the outer greenhouse main body, and the temperature in the gap is higher than that in the outer space of the outer greenhouse main body through the heat absorption and insulation process of the outer greenhouse main body. Meanwhile, the gap serves as the outer space of the inner greenhouse main body, the inner space of the inner greenhouse main body is isolated from the outer space of the inner greenhouse main body, and the temperature of the inner space of the inner greenhouse main body can be higher than the temperature in the gap through the heat absorption and heat preservation process of the inner greenhouse main body. So set up, carry out many times heat absorption heat preservation process through a plurality of greenhouse main parts, increase the inside temperature of greenhouse main part step by step, under the very low condition of external environment temperature, increase the quantity of greenhouse main part, can effectively improve the inside temperature of the greenhouse main part that is located the innermost, improved sunlight greenhouse's thermal insulation performance effectively.

Description

High cold-resistant sunlight greenhouse

Technical Field

The utility model relates to an agricultural facility technical field especially relates to a sunlight greenhouse of high cold resistance.

Background

The sunlight greenhouse generally consists of two side gable walls, a rear wall body, a supporting framework and a covering material, and is a unique greenhouse type in northern areas of China. After the solar greenhouse is built, heat is generally not supplied to the interior of the greenhouse. Daytime, the sunlight greenhouse carries out the heat accumulation through inner space and wall body, and night, the sunlight greenhouse keeps warm through heat preservation quilt and wall body to maintain the temperature in the greenhouse, satisfy vegetable crop growth's needs. Most areas in China are extremely cold, snow is large in winter, the heat insulation performance of the greenhouse with the common structure is poor, and the temperature in the greenhouse at night can be increased only by continuously increasing the thickness of the greenhouse heat insulation quilt. However, most of the existing skeleton products of the sunlight greenhouse are single-pipe skeletons, the bearing capacity is weaker, and the thickness and weight of the greenhouse heat-preservation quilt are increased, so that the stability of the skeletons is influenced. In addition, the improvement of the insulation effect of the sunlight greenhouse by increasing the thickness of the insulation quilt is limited.

Therefore, how to solve the problem of poor heat insulation performance of the existing sunlight greenhouse becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the application provides a high-cold-resistance sunlight greenhouse which can solve the problem that the existing sunlight greenhouse is poor in heat-insulating performance.

The utility model discloses a realize like this: the utility model provides a high cold-resistant sunlight greenhouse, establishes greenhouse main part together including two at least covers, is located the outside greenhouse main part's inside wall with be located the inside be provided with the clearance between the lateral wall of greenhouse main part, every the greenhouse main part all includes supporting framework, supporting framework includes front slope bow member, back wall skeleton and two side wall skeletons, two the side wall skeleton is located respectively the both sides of front slope bow member, the front slope bow member back wall skeleton and two the outside cladding of side wall skeleton has transparent cover film and heat preservation quilt, the upper end of heat preservation quilt with supporting framework's upper end fixed connection, the heat preservation is supported on the supporting framework and with the laminating contact of transparent cover film, every all be provided with in the greenhouse main part be used for with the heat preservation is rolled up or the book curtain mechanism that puts down.

Preferably, the greenhouse main body located innermost is provided with an inner heat insulation layer in the inner portion, the inner heat insulation layer comprises a front greenhouse body and two side greenhouse bodies, and the front greenhouse body and the two side greenhouse bodies are fixedly connected with the rear wall framework of the greenhouse main body located innermost.

Preferably, the front canopy body and the two side canopy bodies respectively comprise a support frame, a transparent covering film covering the outside of the support frame and a heat preservation quilt covering the outside of the transparent covering film.

Preferably, the upper end of front slope bow member with the upper end fixed connection formula structure as an organic whole of back wall skeleton, including a plurality of vertical support and a plurality of parallel arrangement's that set up side by side horizontal support, every horizontal support all with each vertical support detachably fixed connection, vertical support is the arch truss structure that the steel pipe constitutes.

Preferably, be provided with on the vertical support be used for with the mounting that the lateral frame is connected, the first end of mounting with vertical support fixed connection, the second end is provided with the confession the "U" type groove that the lateral frame passed, the both sides of "U" type groove open end all are provided with and supply the inserted cotter hole of pin joint spare, the axis direction in cotter hole with the axis direction of lateral frame is perpendicular.

Preferably, a plurality of temperature-increasing water bags filled with circulating hot water are arranged in parallel in the ground and the soil below the ground in the innermost greenhouse main body, and the temperature-increasing water bags are arranged on two sides of the planting ridges or below the planting ridges.

Preferably, the greenhouse further comprises a warming device arranged outside the outermost greenhouse main body, the warming device comprises a frame, and a light collecting layer and a flow guiding heat absorbing layer which are sequentially arranged along the sunlight irradiation direction, the light collecting layer and the flow guiding heat absorbing layer are respectively arranged on two opposite surfaces of the frame, a heat insulating layer is coated outside the frame, a gap is formed between the light collecting layer and the flow guiding heat absorbing layer, the heat insulating layer is hermetically connected with the edge of the light collecting layer so as to form a closed chamber between the flow guiding heat absorbing layer and the light collecting layer, the surface of the flow guiding heat absorbing layer facing the sunlight is black, a first channel for water to flow is arranged inside the flow guiding heat absorbing layer, the water inlet end of the first channel is connected with the water outlet end of each warming water bag through a pipeline, and the water outlet end of the first channel is connected with the water inlet end of each warming water bag through a pipeline, the pipeline is provided with a first water pump.

Preferably, the flow guide heat absorption layer comprises two layers of heat absorption films, the edges of the two layers of heat absorption films are hermetically connected to form a closed cavity between the two layers of heat absorption films, a horizontally arranged water pipe is arranged at the inner top of the flow guide heat absorption layer, one end of the water pipe is closed, the other end of the water pipe is communicated with the water outlet end of the temperature-increasing water bag, a plurality of water outlet holes are formed in one side, facing the sunlight, of the water pipe, a water outlet is formed in the bottom of the flow guide heat absorption layer, and the water outlet is communicated with the water inlet end of the temperature.

Preferably, the greenhouse main body located innermost is provided with a plurality of hot water storage bags on the rear wall framework, the longitudinal support comprises an outer support and an inner support, the outer support and the inner support are made of steel pipes, an air suction port used for collecting hot air located innermost at the top in the greenhouse main body is arranged at the top end of the outer support, an air exhaust port is arranged at the lower end of the inner support, an air transmission pipeline penetrates through the hot water storage bags, the air inlet end of the air transmission pipeline is communicated with the inner cavity of the outer support, and the air outlet end of the air transmission pipeline is communicated with the inner cavity of the inner support through an exhaust device.

Preferably, the hot water storage bag is provided with a water injection pipe for injecting water into the hot water storage bag and a drain pipe for draining the water in the hot water storage bag, the hot water storage bag is provided with a water injection port for injecting water into the hot water storage bag and a drain port for draining the water, one end of the water injection pipe is sealed, the other end of the water injection pipe is connected with a second water pump, the water injection pipe is communicated with the water injection port of the hot water storage bag, one end of the drain pipe is sealed, the other end of the drain pipe is provided with a valve for controlling the on-off of water flow, and the drain pipe is communicated with the drain port of the hot water storage bag.

The technical scheme provided by the application comprises the following beneficial effects:

the utility model provides a high cold-resistant sunlight greenhouse, establish the greenhouse main part together including two at least covers, be located the inside wall of the greenhouse main part of outside and be located and be provided with the clearance between the lateral wall of the greenhouse main part of the inside. The structure of every greenhouse main part is the same, only is the size different, constitutes by the braced skeleton, and wherein, the braced skeleton includes front slope bow member, back wall skeleton and two side wall skeletons, and the part that every greenhouse main part is located more than ground is built by the braced skeleton promptly and is formed, has avoided the use to wall bodies such as cement, has reduced construction waste, and the protection is ploughed, does benefit to the environmental protection. Two side wall frameworks are located the both sides of front slope bow member respectively, and the outside cladding of front slope bow member, back wall skeleton and two side wall frameworks has transparent cover membrane and heat preservation quilt, the upper end of heat preservation quilt and the upper end fixed connection of supporting the skeleton, and the heat preservation is supported on supporting the skeleton and with the laminating contact of transparent cover membrane, all is provided with the book curtain mechanism that is used for being rolled up or putting down the heat preservation in every greenhouse main part. In the following description, two greenhouse bodies are provided as an example, and a greenhouse body located on the outside is defined as an outer greenhouse body, and a greenhouse body located on the inside is defined as an inner greenhouse body. The gap between the outer greenhouse main body and the inner greenhouse main body is used as a part in the outer greenhouse main body, the outer space of the outer greenhouse main body and the outer space of the outer greenhouse main body are mutually isolated, and through the heat absorption and heat preservation process of the outer greenhouse main body, the temperature in the gap can be higher than the temperature in the outer space of the outer greenhouse main body. Meanwhile, the gap serves as the outer space of the inner greenhouse main body, the inner space of the inner greenhouse main body is isolated from the inner space of the inner greenhouse main body, and the temperature of the inner space of the inner greenhouse main body can be higher than the temperature in the gap through the heat absorption and heat preservation process of the inner greenhouse main body. So set up, the heat absorption heat preservation effect through outer greenhouse main part increases the temperature of the external environment of inlayer greenhouse main part, and the heat absorption heat preservation effect of rethread inlayer greenhouse main part increases the inside temperature of inlayer greenhouse main part on the basis of the temperature of outer greenhouse main part inner space. So, carry out many times heat absorption heat preservation process through a plurality of greenhouse main parts, increase the inside temperature of greenhouse main part step by step, under the circumstances that external environment temperature is low very much, increase the quantity of greenhouse main part, can effectively improve the inside temperature of the greenhouse main part that is located the innermost, improved sunlight greenhouse's thermal insulation performance effectively.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-cold-resistance sunlight greenhouse shown in an embodiment of the present invention;

fig. 2 is a schematic structural view of a high-cold-resistant sunlight greenhouse shown in the embodiment of the present invention;

fig. 3 is a schematic view of a connection structure between the longitudinal support and the transverse support according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a temperature increasing device according to an embodiment of the present invention;

fig. 5 is a schematic view of the connection between the temperature increasing device and the soil temperature increasing system according to the embodiment of the present invention;

fig. 6 is a schematic view illustrating a connection between a hot water storage bag and a gas transmission pipeline according to an embodiment of the present invention;

fig. 7 is a schematic shape view of the warming water bag according to the embodiment of the present invention;

fig. 8 is an enlarged view of I in fig. 1.

Reference numerals:

front slope arch-1; a back wall framework-2; a heat preservation quilt-3; a front shed body-4; a support frame-5; a longitudinal support-6; a transverse bracket-7; a fixing part-8; a pin connector-9; a warming water bag-10; a warming device-11; a frame-12; a daylighting layer-13; a diversion heat absorption layer-14; a heat insulation layer-15; a conduit-16; a first water pump-17; water pipe-18; a hot water storage bag-19; a gas transmission pipeline-20; an exhaust device-21; a suction hole-22; a water injection pipe-23; -24, a drain pipe; a first ramp-25; a second ramp-26; an outer layer bracket-27; inner layer support-28; exhaust vent-29; a water outlet-30.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The purpose of this embodiment is to provide a sunlight greenhouse of high cold resistance, is in the same place through establishing a plurality of greenhouse main part covers, carries out many times heat absorption heat preservation processes through a plurality of greenhouse main parts, increases the inside temperature of greenhouse main part step by step to improve the inside temperature of the greenhouse main part that is located the innermost, improved this sunlight greenhouse's thermal insulation performance effectively.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to FIGS. 1-8, schematic structural views of a highly cold-resistant solar greenhouse in some exemplary embodiments are shown. The sunlight greenhouse that this embodiment provided a high cold-resistant, including at least two covers establish greenhouse main part together, be located the greenhouse main part's of outside inside wall and be located and be provided with the clearance between the greenhouse main part's of the inside lateral wall. The structure of every greenhouse main part is the same, only is the size different, constitutes by the braced frame, and wherein, the braced frame includes front slope bow member 1, back wall skeleton 2 and two side wall skeletons, and the part that every greenhouse main part is located more than the ground is built by the braced frame promptly, has avoided the use to wall bodies such as cement, has reduced construction waste, and the protection is ploughed, does benefit to the environmental protection. Two side wall frameworks are located the both sides of front slope bow member 1 respectively, and the outside cladding of front slope bow member 1, back wall skeleton 2 and two side wall frameworks has transparent cover membrane and heat preservation by 3, and the heat preservation is supported on the braced frame by 3 and with the laminating contact of transparent cover membrane by the upper end of 3 and braced frame's upper end fixed connection, heat preservation, all is provided with in every greenhouse main part to be used for keeping warm by 3 roll up or the roll curtain mechanism that puts down. In the following description, two greenhouse bodies are provided as an example, and a greenhouse body located on the outside is defined as an outer greenhouse body, and a greenhouse body located on the inside is defined as an inner greenhouse body. The gap between the outer greenhouse main body and the inner greenhouse main body is used as a part in the outer greenhouse main body, the outer space of the outer greenhouse main body and the outer space of the outer greenhouse main body are mutually isolated, and through the heat absorption and heat preservation process of the outer greenhouse main body, the temperature in the gap can be higher than the temperature in the outer space of the outer greenhouse main body. Meanwhile, the gap serves as the outer space of the inner greenhouse main body, the inner space of the inner greenhouse main body is isolated from the inner space of the inner greenhouse main body, and the temperature of the inner space of the inner greenhouse main body can be higher than the temperature in the gap through the heat absorption and heat preservation process of the inner greenhouse main body. So set up, the heat absorption heat preservation effect through outer greenhouse main part increases the temperature of the external environment of inlayer greenhouse main part, and the heat absorption heat preservation effect of rethread inlayer greenhouse main part increases the inside temperature of inlayer greenhouse main part on the basis of the temperature of outer greenhouse main part inner space. So, carry out many times heat absorption heat preservation process through a plurality of greenhouse main parts, increase the inside temperature of greenhouse main part step by step, under the circumstances that external environment temperature is low very much, increase the quantity of greenhouse main part, can effectively improve the inside temperature of the greenhouse main part that is located the innermost, improved sunlight greenhouse's thermal insulation performance effectively.

In a preferred embodiment, the inner heat-insulating layer is further arranged inside the innermost greenhouse main body, and heat absorption and heat insulation are performed again on the basis of the temperature of the space inside the innermost greenhouse main body so as to increase the temperature of the innermost space. The heat preservation includes the preceding canopy body 4 and two side canopy bodies in the aforesaid, and two side canopy bodies are located the both ends of the preceding canopy body 4 respectively, and the preceding canopy body 4 and two side canopy bodies all with be located 2 fixed connection of rear wall skeleton of the greenhouse main part of the innermost, form the greenhouse space of the innermost between the preceding canopy body 4, two side canopy bodies, be located the rear wall of the greenhouse main part of the innermost and ground jointly.

In implementation, the front canopy body 4 and the two side canopy bodies each include a support frame 5, a transparent cover film covering the outside of the support frame 5, and a heat preservation quilt 3 covering the outside of the transparent cover film. The supporting frame 5 of the front shed body 4 can be designed into the same form as the front slope arch frame 1 of the greenhouse main body, and also can be designed into two parts as shown in figure 2, and comprises a first slope frame 25 and a second slope frame 26, wherein one ends of the first slope frame 25 and the second slope frame 26, which are close to each other, are fixedly connected, the other end of the first slope frame 25 is fixedly connected with the rear wall framework 2 of the innermost greenhouse main body, and the other end of the second slope frame 26 is fixedly connected with the ground. The first ramp 25 may be constructed using steel bars and the second ramp 26 may be constructed using steel pipes. The first slope frame 25 and the second slope frame 26 are both covered with the heat preservation quilt 3.

The inner insulating layer and the insulating cover 3 of each greenhouse body are rolled up in the daytime and laid down at night so that the inner space of each greenhouse body and the innermost greenhouse space can receive irradiation of sunlight in the daytime and are insulated by the insulating cover 3 at night.

In this embodiment, the upper end of front slope bow member 1 and the upper end fixed connection formula structure as an organic whole of back wall skeleton 2, including a plurality of vertical support 6 that set up side by side and a plurality of parallel arrangement's lateral frame 7, every lateral frame 7 all with each vertical support 6 detachably fixed connection, realize that a plurality of connections of indulging between the support 6 are fixed. In implementation, the longitudinal support 6 may be an arched truss structure formed by steel pipes, and the truss structure includes a plurality of triangles, so that the strength and the bearing capacity of the longitudinal support 6 may be increased to a certain extent.

In a preferred embodiment of the present embodiment, a fixing member 8 for connecting with the horizontal bracket 7 is provided on the vertical bracket 6, and as shown in fig. 3, a first end of the fixing member 8 is fixedly connected with the vertical bracket 6, and here, welding or bolting may be selected. The second end of mounting 8 is provided with "U" type groove that supplies horizontal stand 7 to pass, "U" type groove open end's both sides all are provided with and supply the bayonet joint piece 9 male cotter hole, the axis direction in cotter hole is perpendicular with horizontal stand 7's axis direction and in the coplanar with indulging support 6, after horizontal stand 7 passes "U" type groove of the mounting 8 that is located on indulging support 6, realize the shutoff to "U" type groove open end through inserting the bayonet joint piece 9 of mounting 8, prevent that horizontal stand 7 from "U" type inslot slippage, thereby realize the fixed connection between horizontal stand 7 and the vertical support 6. In addition, in the building process, the fixing piece 8 is adopted for connection, so that the relative positions of the longitudinal supports 6, the longitudinal supports 6 and the transverse supports 7 can be adjusted conveniently, the on-site assembly and the transportation are facilitated, and the repeated utilization can be realized.

In the implementation, a soil temperature increasing system can be arranged in the sunlight greenhouse to provide a proper temperature environment for the plant roots. If a plurality of temperature-increasing water bags 10 with circulating hot water are arranged in parallel in the ground or the soil below the ground in the innermost greenhouse body, the temperature-increasing water bags 10 are arranged on two sides of planting ridges or below the planting ridges, so that the temperature-increasing water bags 10 surround the roots of plants, and the heat released by the hot water in the temperature-increasing water bags 10 is transferred to the soil around the roots of the plants, thereby ensuring the temperature of the soil around the roots of the plants, providing a proper temperature environment for the roots of the plants, being beneficial to the growth of the plants and improving the yield. As shown in fig. 7, the warming water bag 10 is bent into a "U" shape, one end of the warming water bag 10 is a water inlet end, and the other end is a water outlet end, at this time, plants are planted in the middle of the "U" shaped warming water bag 10, that is, the warming water bag 10 is arranged on both sides of the planting ridge.

In the implementation, in order to facilitate the supply of the circulating hot water inside the warming water bag 10, a warming device 11 for heating water can be further arranged, the warming device 11 can be arranged outside the greenhouse main body located on the outermost side, and the water is heated by solar energy, so that the warming water bag is energy-saving and environment-friendly. Referring to fig. 4, the temperature increasing device 11 includes a frame 12, and a lighting layer 13 and a flow guiding heat absorbing layer 14 sequentially disposed along a sunlight irradiation direction, the lighting layer 13 and the flow guiding heat absorbing layer 14 are respectively disposed on two opposite surfaces of the frame 12, one surface of the flow guiding heat absorbing layer 14 facing the sunlight is set to be black, a first channel for water to flow is disposed inside the flow guiding heat absorbing layer 14, the sunlight passes through the lighting layer 13 and then irradiates on the black flow guiding heat absorbing layer 14, and the flow guiding heat absorbing layer 14 absorbs solar heat energy, so that the heat is transferred to water inside the first channel, and the temperature of the water is increased. The frame 12 is covered with the heat insulating layer 15, so that the heat inside the heat guiding and absorbing layer 14 can be effectively prevented from being dissipated. A gap is formed between the light collecting layer 13 and the flow guiding heat absorbing layer 14, the heat insulating layer 15 is in sealing connection with the edge of the light collecting layer 13, so that a closed cavity is formed between the flow guiding heat absorbing layer 14 and the light collecting layer 13, sunlight is transmitted into the closed cavity through the light collecting layer 13, due to the fact that heat exchange is lacked between the inside of the closed cavity and the outside, a greenhouse effect is formed to insulate heat, the temperature of gas inside the closed cavity is increased, meanwhile, the flow guiding heat absorbing layer 14 is in contact with the closed cavity, heat inside the closed cavity can be transmitted to water inside the first channel through the flow guiding heat absorbing layer 14, and the temperature of the water is further increased. As shown in fig. 5, the water inlet end of the first channel is connected to the water outlet end of each of the warming water bags 10 through the pipeline 16, and the water outlet end of the first channel is connected to the water inlet end of each of the warming water bags 10 through the pipeline 16, so that water can circulate in the warming water bags 10 and the flow guiding heat absorbing layer 14, the temperature of the water is raised after the water flows through the flow guiding heat absorbing layer 14, when the water flows through the warming water bags 10, heat is transferred to soil to warm the soil, the temperature of the water is lowered, and when the water flows to the flow guiding heat absorbing layer 14, the heat is continuously absorbed to raise the temperature, and the circulation is repeated in this way, so that the circulation supply of hot water in the warming water bags 10 is realized by using solar energy. The pipeline 16 is further provided with a first water pump 17 for providing power for the circulation flow of water.

It should be noted that the lighting layer 13 may be one of transparent glass, a PC sunlight plate, or a transparent plastic film, and has a certain heat preservation effect while ensuring that sunlight can transmit into the sealed chamber and onto the flow-guiding heat-absorbing layer 14, so as to prevent heat inside the sealed chamber from dissipating. The light collecting layer 13 may be provided as one layer or may be provided as a plurality of layers, as the case may be. Because heat transfer generally carries out through these three kinds of forms of heat-conduction, thermal radiation and thermal convection, the heat preservation 15 of cladding in frame 12 outside includes at least one in thermal radiation protection layer, thermal convection protection layer, the thermal conduction layer of preventing, when heat preservation 15 includes above-mentioned three kinds, can avoid the heat transfer between water conservancy diversion heat-sink shell 14 and the outside air in thermal convection, thermal radiation and heat-conduction tripartite, strengthens the heat preservation effect of heat preservation 15, reduces heat loss. The heat radiation resistant layer can be an aluminized film or a reflective film, the heat convection resistant layer can be a sealing film, and the heat conduction resistant layer can be a heat preservation quilt, rock wool, glass wool, an extruded sheet or a benzene board.

In this embodiment, the diversion heat absorption layer 14 includes two heat absorption films, and edges of the two heat absorption films are hermetically connected to form a closed cavity between the two heat absorption films, so as to avoid a problem of leakage of water inside the diversion heat absorption layer 14. The horizontally arranged water pipe 18 is arranged at the inner top of the flow guiding heat absorption layer 14, one end of the water pipe 18 is sealed, the other end of the water pipe 18 is communicated with a water outlet end of the warming water bag 10, a plurality of water outlet holes which are uniformly distributed are formed in the part, located inside the flow guiding heat absorption layer 14, of the water pipe 18 and one side, facing the sunlight, of the water pipe 18, water is sprayed onto the heat absorption film close to one side of the sunlight through the water outlet holes in the water pipe 18 and flows downwards along the heat absorption film, and heat on the heat absorption film can be absorbed in the process that the water flows along the heat absorption film. A water outlet is formed in the bottom of the diversion heat absorption layer 14 and is communicated with the water inlet end of the warming water bag 10, and water flows from the heat absorption film to the bottom of the diversion heat absorption layer 14 and then flows to the warming water bag 10 through the water outlet. The heat absorbing film may be made of a black plastic waterproof film.

As an alternative embodiment, a plurality of hot water storage bags 19 may be provided on the rear wall framework 2 of the innermost greenhouse body, the longitudinal support 6 includes an outer support 27 and an inner support 28 made of steel pipes, and each hot water storage bag 19 is provided in a space between the outer support 27 and the inner support 28 near the rear wall. The upper end of the outer layer bracket 27 is provided with an air suction hole 22 for collecting hot air at the inner top of the innermost greenhouse body. A vent 29 is provided at a lower end position of the inner bracket 28, and the vent 29 may be provided at a position where the inner bracket 28 is located at the rear wall and at a position where the inner bracket 28 is located at the front booth. A gas transmission pipe 20 penetrates through the hot water storage bag 19, the gas inlet end of the gas transmission pipe 20 is communicated with the inner cavity of the outer layer bracket 27, and the gas outlet end of the gas transmission pipe 20 is communicated with the inner cavity of the inner layer bracket 28 through a gas exhaust device 21, wherein the gas exhaust device 21 can provide power for air circulation inside the gas transmission pipe 20, and refer to fig. 1, 2 and 6. When the air at the top in the innermost greenhouse main body is overheated in the daytime, the air in the air transmission pipeline 20 is forcibly exhausted through the exhaust device 21, so that the air in the air transmission pipeline 20 starts to circulate along the direction from the air suction hole 22 to the exhaust hole 29, the heat storage water bag 19 is coated outside the air transmission pipeline 20, when the hot air flows through the air transmission pipeline 20, the water in the heat storage water bag 19 absorbs the heat of the hot air, stores the heat, the water temperature rises, the temperature of the hot air drops, the air in the air transmission pipeline 20 enters the inner cavity of the inner layer support 28 and then is exhausted to the innermost greenhouse main body through the exhaust hole 29, and therefore the air in the sunlight greenhouse is cooled; to night, the inside temperature of sunlight greenhouse descends, and the inside water of heat storage water bag 19 can release the heat, heats to the inside air of the greenhouse main part that is located the innermost, so, get up through the heat storage in the hot water bag 19 the inside surplus heat air of sunlight greenhouse daytime, release the heat again in order to heat the sunlight greenhouse night, avoided thermal scattering and disappearing, the energy saving is favorable to the environmental protection.

The hot water storage bag 19 may be heated by sunlight by receiving the irradiation of the sun when the insulating cover 3 is rolled up. The color of the hot water storage bag 19 can be set to be black, and the black can increase the absorption efficiency of solar energy, and then the solar energy collected by the black can be converted into the heat energy inside the hot water storage bag 19.

The exhaust device 21 may be an exhaust fan or an exhaust fan. The transparent covering film of the inner heat-insulating layer is rolled up in a sunny day, the temperature of the innermost greenhouse space is higher in a sunny day, and hot air in the innermost greenhouse space can be diffused to the outside of the inner heat-insulating layer and collected at the inner top of the innermost greenhouse main body by rolling up the transparent covering film of the inner heat-insulating layer, so that the hot air can enter the gas transmission pipeline 20 through the air suction holes 22. The transparent cover film of interior heat preservation is put down when overcast and rainy, can prevent that the hot-air in the greenhouse space of the innermost from effluvizing, has certain heat preservation effect promptly, guarantees simultaneously through the light transmissivity of transparent cover film that light can shine into the greenhouse space of the innermost. The process of rolling up and putting down the transparent cover film is operated through the film rolling mechanism driven by the motor, the operation is convenient and fast, the film rolling mechanism is an existing product, and the process is not repeated herein.

In an embodiment, the water storage and heating device further comprises a water injection pipe 23 for injecting water into each water storage and heating bag 19 and a water discharge pipe 24 for discharging water in each water storage and heating bag 19, and each water storage and heating bag 19 is provided with a water injection port for injecting water into the water storage and heating bag and a water discharge port 30 for discharging water. Above-mentioned water injection pipe 23's one end is the closed condition, and the other end is connected with the second water pump, and water injection pipe 23 communicates with each water filling port that stores up hot-water bag 19, carries out the water injection through water injection pipe 23, can carry out the water injection to a plurality of hot-water bags 19 of storing up simultaneously, and the second water pump is gone into water injection pipe 23 with the water pump, provides power, convenient and fast, labour saving and time saving for water is at water injection pipe 23 and the inside flow of hot-water bags 19. One end of the drain pipe 24 is in a closed state, the other end of the drain pipe 24 is provided with a valve for controlling the on-off of water flow in the drain pipe 24, the drain pipe 24 is communicated with the water outlet 30 of each hot water storage bag 19, when the hot water storage bags 19 drain water, water in each hot water storage bag 19 can be collected to the drain pipe 24, and the water flow direction and the water collection and reutilization can be conveniently controlled through the drain pipe 24. The water outlet pipe 24 can be connected with an irrigation system of the sunlight greenhouse, and when irrigation is needed, water in the heat storage water bag 19 can be utilized for irrigation by opening the valve. After heat storage, the water in the heat storage water bag 19 has a certain temperature, and the plant is irrigated by the water, which is beneficial to the growth of the plant.

It should be noted that the rolling mechanism for rolling up the heat preservation quilt 3 on the outermost greenhouse main body can be selected as a rolling machine arranged on the front side or a rolling machine arranged on the side. In order to save space, the rolling mechanism for rolling up the heat preservation quilt 3 on the greenhouse main body positioned inside and the heat preservation quilt 3 on the inner heat preservation layer is selected as a rolling machine arranged on the side surface.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A high cold-resistant sunlight greenhouse is characterized by comprising at least two greenhouse main bodies which are sleeved together, wherein a gap is arranged between the inner side wall of the greenhouse main body positioned outside and the outer side wall of the greenhouse main body positioned inside, each greenhouse main body comprises a supporting framework, the supporting framework comprises a front slope arch frame (1), a rear wall framework (2) and two side wall frameworks, the two side wall frameworks are respectively positioned at two sides of the front slope arch frame (1), the front slope arch frame (1), the rear wall framework (2) and the two side wall frameworks are coated with transparent covering films and heat preservation quilts (3), keep warm by the upper end of (3) with the upper end fixed connection of support chassis, keep warm by (3) support on the support chassis, with transparent cover film laminating contact, every all be provided with on the greenhouse main part be used for with keep warm by the roll up curtain mechanism that (3) rolled up or put down.

2. The sunlight greenhouse of claim 1, wherein an inner insulating layer is arranged inside the innermost greenhouse main body, the inner insulating layer comprises a front greenhouse body (4) and two side greenhouse bodies, and the front greenhouse body (4) and the two side greenhouse bodies are fixedly connected with the rear wall framework (2) of the innermost greenhouse main body.

3. The solar greenhouse of claim 2, wherein the front canopy body (4) and both side canopy bodies each comprise a support frame (5), a transparent cover film covering the outside of the support frame (5), and a heat-insulating quilt (3) covering the outside of the transparent cover film.

4. The sunlight greenhouse of claim 1, wherein the upper end of the front slope arch frame (1) and the upper end of the rear wall framework (2) are fixedly connected into an integral structure, the integral structure comprises a plurality of longitudinal supports (6) arranged side by side and a plurality of transverse supports (7) arranged in parallel, each transverse support (7) is fixedly connected with each longitudinal support (6) in a detachable mode, and the longitudinal supports (6) are of arch truss structures formed by steel pipes.

5. The sunlight greenhouse of claim 4, wherein the longitudinal support (6) is provided with a fixing member (8) for connecting with the transverse support (7), the first end of the fixing member (8) is fixedly connected with the longitudinal support (6), the second end of the fixing member is provided with a U-shaped groove for the transverse support (7) to pass through, two sides of the opening end of the U-shaped groove are provided with pin holes for inserting pin connecting members (9), and the axial direction of the pin holes is perpendicular to the axial direction of the transverse support (7).

6. The sunlight greenhouse of claim 1, wherein a plurality of temperature-increasing water bags (10) filled with circulating hot water are arranged in parallel in the ground and the soil below the ground in the innermost greenhouse main body, and the temperature-increasing water bags (10) are arranged on two sides of the planting ridges or below the planting ridges.

7. The sunlight greenhouse of claim 6, further comprising a temperature increasing device (11) disposed outside the outermost greenhouse body, wherein the temperature increasing device (11) comprises a frame (12) and a light collecting layer (13) and a flow guiding heat absorbing layer (14) sequentially disposed along a sunlight irradiation direction, the light collecting layer (13) and the flow guiding heat absorbing layer (14) are respectively disposed on two opposite surfaces of the frame (12), an insulating layer (15) is coated outside the frame (12), a gap is formed between the light collecting layer (13) and the flow guiding heat absorbing layer (14), the insulating layer (15) is hermetically connected with an edge of the light collecting layer (13) to form a closed chamber between the flow guiding heat absorbing layer (14) and the light collecting layer (13), and one surface of the flow guiding heat absorbing layer (14) facing sunlight is set to be black, the water-guiding heat-absorbing layer (14) is internally provided with a first channel for water to flow, the water inlet end of the first channel is connected with the water outlet end of each temperature-increasing water bag (10) through a pipeline (16), the water outlet end of the first channel is connected with the water inlet end of each temperature-increasing water bag (10) through a pipeline (16), and a first water pump (17) is arranged on the pipeline (16).

8. The sunlight greenhouse of claim 7, wherein the diversion heat absorption layer (14) comprises two heat absorption films, the edges of the two heat absorption films are hermetically connected to form a closed cavity between the two heat absorption films, a horizontally arranged water pipe (18) is arranged at the inner top of the diversion heat absorption layer (14), one end of the water pipe (18) is closed, the other end of the water pipe is communicated with the water outlet end of the warming water bag (10), a plurality of water outlet holes are arranged at one side of the water pipe (18) facing the sunlight, and a water outlet is arranged at the bottom of the diversion heat absorption layer (14) and is communicated with the water inlet end of the warming water bag (10).

9. The sunlight greenhouse of claim 4, wherein a plurality of hot water storage bags (19) are arranged on the rear wall framework (2) of the innermost greenhouse main body, the longitudinal support (6) comprises an outer layer support (27) and an inner layer support (28) which are made of steel pipes, the top end of the outer layer support (27) is provided with a suction hole (22) for collecting hot air at the top in the innermost greenhouse main body, the lower end of the inner layer support (28) is provided with an exhaust hole (29), a gas transmission pipeline (20) penetrates through the inside of the hot water storage bags (19), the gas inlet end of the gas transmission pipeline (20) is communicated with the inner cavity of the outer layer support (27), and the gas outlet end of the gas transmission pipeline (20) is communicated with the inner cavity of the inner layer support (28) through an exhaust device (21).

10. The sunlight greenhouse of claim 9, further comprising a water injection pipe (23) for injecting water into each of the heat storage and hot water bags (19) and a water discharge pipe (24) for discharging water from each of the heat storage and hot water bags (19), wherein a water injection port for injecting water into the interior and a water discharge port (30) for discharging water are arranged on each of the heat storage and hot water bags (19), one end of the water injection pipe (23) is closed, the other end of the water injection pipe is connected with a second water pump, the water injection pipe (23) is communicated with the water injection port of each of the heat storage and hot water bags (19), one end of the water discharge pipe (24) is closed, the other end of the water discharge pipe is provided with a valve for controlling the on-off of water flow, and the water discharge pipe (24) is communicated with the water discharge port (30) of each of.