Heat accumulating type water curtain wall for greenhouse in cold region

Abstract

The utility model discloses a heat accumulating type water curtain wall for a cold region greenhouse, and relates to the technical field of greenhouses. The utility model aims to solve the problem that the heat storage effect of the water curtain wall in the existing greenhouse is not ideal. The water curtain comprises a water curtain wall body and a water storage tank, the water curtain wall body is obliquely arranged forwards from top to bottom, the water curtain wall body comprises a top-layer light-transmitting layer, a middle water absorption layer, a bottom-layer waterproof layer, a water outlet pipe and a water return pipeline, and the top-layer light-transmitting layer, the middle water absorption layer and the bottom-layer waterproof layer are sequentially arranged from front to back. The upper end and the two sides between the top light-transmitting layer and the bottom waterproof layer are fixedly connected in a sealed mode, the lower end opening between the top light-transmitting layer and the bottom waterproof layer is communicated with the water storage tank, the water outlet pipe is arranged on the upper portion between the top light-transmitting layer and the bottom waterproof layer, and the upper end of the middle water absorption layer is fixedly connected with the water outlet pipe. The water inlet end of the water outlet pipe is connected with the water storage tank through a water return pipeline. The utility model is used for the cold region greenhouse.

Description

TECHNICAL FIELD

[0001] The utility model relates to a greenhouse technical field, concretely relates to a heat storage type water curtain wall for cold region greenhouse. BACKGROUND

[0002] Due to the limitation of structure, geographical environment, economy and the like, the existing greenhouse has poor heat preservation effect and large energy waste. Since the temperature in cold regions is extremely low in winter, many existing greenhouses are difficult to meet the growth demand of crops, and additional heating equipment is often used to ensure the growth of crops, which not only increases the cost, but also wastes energy. In order to increase the energy utilization rate, the water curtain wall structure is used in the existing greenhouse, such as the Chinese utility model patent with the publication number CN204482524U and the name of "cold region sunlight greenhouse pipe type water curtain wall body", which sets the water curtain wall body in the greenhouse. The water absorbs the heat of sunlight in the falling process during the day, and then releases heat in the greenhouse. However, since the water falls at a high speed, the heat absorption during the falling process is limited, and therefore the heat storage effect is not ideal. SUMMARY

[0003] The utility model discloses a heat storage type water curtain wall for cold region greenhouse is provided to solve the problem that the heat storage effect of the water curtain wall in the existing greenhouse is not ideal.

[0004] The utility model discloses a heat storage type water curtain wall for cold region greenhouse is provided to solve the problem that the heat storage effect of the water curtain wall in the existing greenhouse is not ideal.

[0005] A heat storage type water curtain wall for cold region greenhouse includes a water curtain wall body and a water storage tank. The water curtain wall body is inclined from top to bottom and front to back. The water curtain wall body includes a top light-transmitting layer, a middle water-absorbing layer, a bottom waterproof layer, a water outlet pipe, and a water return pipe. The top light-transmitting layer, the middle water-absorbing layer, and the bottom waterproof layer are arranged from front to back. The upper end and both sides of the top light-transmitting layer and the bottom waterproof layer are closed and fixed. The lower end of the top light-transmitting layer and the bottom waterproof layer is open and connected to the water storage tank. The water outlet pipe is arranged on the upper part between the top light-transmitting layer and the bottom waterproof layer. The upper end of the middle water-absorbing layer is fixed to the water outlet pipe. The water inlet end of the water outlet pipe is connected to the water storage tank through the water return pipe.

[0006] Further, a plurality of water outlets are evenly distributed along the length direction of the water outlet pipe. The water outlets are arranged on the upper part between the middle water-absorbing layer and the top light-transmitting layer and spray water towards the upper surface of the middle water-absorbing layer.

[0007] Further, the upper end of the middle water-absorbing layer is wrapped and fixed on the outer side wall of the water outlet pipe.

[0008] Further, the material of the middle water-absorbing layer is felt or sponge.

[0009] Further, the color of the middle water-absorbing layer is black.

[0010] Further, the side of the intermediate water absorption layer and the side between the top light transmission layer and the bottom waterproof layer are fixed by connecting plates.

[0011] Further, the top light transmission layer comprises an outer frame and a light transmission film, and the light transmission film is fixed in the outer frame.

[0012] Further, the bottom waterproof layer comprises a fixed frame and a waterproof film, and the waterproof film is fixed in the fixed frame, and the waterproof film is made of PE or polyethylene or PVC or polypropylene.

[0013] Further, the water storage tank is a rectangular box, a water inlet groove is formed in the front side of the upper end surface of the water storage tank, the outer side of the lower end of the top light transmission layer is clamped and fixed with the front side wall of the water inlet groove, and the outer side of the lower end of the bottom waterproof layer is clamped and fixed with the rear side wall of the water inlet groove.

[0014] Further, the water return pipeline comprises a water return pipe and a water pump, one end of the water return pipe is connected with the water inlet end of the water outlet pipe, the other end of the water return pipe is connected with the lower part of the water storage tank, and the water pump is connected on the water return pipe.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a heat storage type water curtain wall for cold region greenhouse, and the water curtain wall body is arranged in an inclined mode, the inclination angle can be set according to the local light angle, the inclination angle is perpendicular to the light angle, the light utilization rate can be increased, and the heat storage effect of the water curtain wall is enhanced. Meanwhile, a water absorption layer is arranged in the water curtain wall, can fully absorb the water in the water curtain wall, greatly delays the falling speed of water, increases the residence time of water in the water curtain wall, fully absorbs light during the day, improves the water temperature, and enhances the heat storage effect of the water curtain wall. The water absorption layer is equivalent to a radiator at night, can increase the heat dissipation area, improve the heat dissipation effect, and ensure that heat fully flows into the greenhouse. DRAWINGS

[0017] Fig. 1 It is the side view structure schematic diagram of the whole structure of the utility model;

[0018] Fig. 2 It is the main view structure schematic diagram of the whole structure of the utility model. CONCRETE IMPLEMENTING METHOD

[0019] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model clearer and more apparent, the utility model is further explained in detail below by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] CONCRETE IMPLEMENTING METHOD ONE: combineFigs. 1-2 To illustrate the present embodiment, the present embodiment describes a heat storage type water curtain wall for a cold region greenhouse, which comprises a water curtain wall body 1 and a water storage tank 2. The water curtain wall body 1 is arranged in a forwardly inclined manner from top to bottom. The water curtain wall body 1 comprises a top light-transmitting layer 11, an intermediate water-absorbing layer 12, a bottom waterproof layer 13, a water outlet pipe 14 and a water return pipe. The top light-transmitting layer 11, the intermediate water-absorbing layer 12 and the bottom waterproof layer 13 are arranged in sequence from front to back. The upper end and the two sides between the top light-transmitting layer 11 and the bottom waterproof layer 13 are respectively closed and fixed. The lower end between the top light-transmitting layer 11 and the bottom waterproof layer 13 is open and connected with the water storage tank 2. The water outlet pipe 14 is arranged at the upper part between the top light-transmitting layer 11 and the bottom waterproof layer 13. The upper end of the intermediate water-absorbing layer 12 is fixed with the water outlet pipe 14. The water inlet end of the water outlet pipe 14 is connected with the water storage tank 2 through the water return pipe.

[0021] In the present embodiment, the rear side of the water curtain wall body 1 is fixed to the upper part of the water storage tank 1 through a fixed support 5 or a north side wall of the greenhouse.

[0022] The fixed support 5 is vertically arranged. The upper end of the water curtain wall body 1 is fixed with the upper end of the fixed support 5. The lower end of the fixed support 5 is fixed with the water storage tank 1.

[0023] The upper end and the two sides of the water curtain wall body 1 can be provided with an "n"-shaped outer frame. The upper end and the two sides of the top light-transmitting layer 11 are respectively fixed with the front side walls of the outer frame. The upper end and the two sides of the bottom waterproof layer 13 are respectively fixed with the rear side walls of the outer frame.

[0024] The water outlet pipe 14 is horizontally arranged inside the water curtain wall body 1. The end part of the water outlet pipe 14 is inserted into the end face of the outer frame and sealed with the outer frame. The water inlet end of the water outlet pipe 14 is arranged outside the water curtain wall body 1 and connected with the water return pipe.

[0025] The water in the water storage tank 2 enters the water outlet pipe 14 through the water return pipe and is sprayed out through the water outlet 15 on the water outlet pipe 14 and then enters the water storage tank 2 after flowing through the cavity formed between the top light-transmitting layer 11 and the bottom waterproof layer 13.

[0026] The water-absorbing layer arranged inside the water curtain wall can fully absorb the water in the water curtain wall, greatly slow down the falling speed of the water, increase the residence time of the water in the water curtain wall, fully absorb the light in the daytime, increase the water temperature, and increase the heat dissipation area and the heat dissipation effect at night, so as to ensure that the heat fully flows into the greenhouse.

[0027] The water curtain wall body is arranged in an inclined manner. The inclination angle can be set according to the local light angle. The inclination angle is perpendicular to the light angle, which can increase the utilization rate of light.

[0028] Specific implementation method two: combined with Figs. 1-2In this embodiment, the water outlet pipe 14 is provided with a plurality of water outlets 15 along the length direction, and the water outlets 15 are arranged on the upper part between the middle water absorbing layer 12 and the top light-transmitting layer 11 and spray water towards the upper surface of the middle water absorbing layer 12. The technical features not described in this embodiment are the same as those in the first embodiment.

[0029] The top light-transmitting layer 11, the middle water absorbing layer 12 and the bottom waterproof layer 13 are arranged in parallel, and a gap is arranged between each two adjacent layers, and the water outlets 15 are arranged on the upper part between the middle water absorbing layer 12 and the top light-transmitting layer 11, so as to realize the flow of water and the full absorption of the heat of light by water. The water outlets 15 spray water towards the upper surface of the middle water absorbing layer 12, so as to prevent the top light-transmitting layer 11 from being damaged by the spraying process.

[0030] Embodiment three: Figs. 1-2 In this embodiment, the upper end of the middle water absorbing layer 12 is wrapped and fixed on the outer side wall of the water outlet pipe 14. The technical features not described in this embodiment are the same as those in the first embodiment.

[0031] This design ensures that the middle water absorbing layer 12 can fully absorb water.

[0032] Embodiment four: Figs. 1-2 In this embodiment, the material of the middle water absorbing layer 12 is felt or sponge. The technical features not described in this embodiment are the same as those in the third embodiment.

[0033] Felt and sponge have high quality and large voids, and can fully and quickly absorb water.

[0034] Embodiment five: Figs. 1-2 In this embodiment, the color of the middle water absorbing layer 12 is black. The technical features not described in this embodiment are the same as those in the fourth embodiment.

[0035] This design can increase the heat collection effect, collect solar energy and accelerate the heating of water in the water curtain wall.

[0036] Embodiment six: Figs. 1-2 In this embodiment, the side part of the middle water absorbing layer 12 and the side part between the top light-transmitting layer 11 and the bottom waterproof layer 13 are fixedly connected by the connecting plate 101. The technical features not described in this embodiment are the same as those in the fourth embodiment.

[0037] This design realizes the fixed connection of the middle water absorbing layer 12.

[0038] Embodiment seven: Figs. 1-2The top light-transmitting layer 11 of the embodiment includes a frame body and a light-transmitting film, and the light-transmitting film is fixed in the frame body.

[0039] Eighth embodiment: combination Figs. 1-2 The bottom waterproof layer 13 of the embodiment includes a fixed frame and a waterproof film, and the waterproof film is fixed in the fixed frame, and the waterproof film is made of PE or polyethylene or PVC or polypropylene.

[0040] Ninth embodiment: combination Figs. 1-2 The water storage tank 2 of the embodiment is a rectangular box, and a water inlet groove 21 is arranged on the front side of the upper end surface of the water storage tank 2, the outer side of the lower end of the top light-transmitting layer 11 is clamped and fixed to the front side wall of the water inlet groove 21, and the outer side of the lower end of the bottom waterproof layer 13 is clamped and fixed to the rear side wall of the water inlet groove 21.

[0041] The design realizes the communication between the water curtain wall body 1 and the water storage tank 2.

[0042] Tenth embodiment: combination Figs. 1-2 Figs. 1-2 The water return pipeline of the embodiment includes a water return pipe 3 and a water pump 4, one end of the water return pipe 3 is connected to the water inlet end of the water outlet pipe 14, the other end of the water return pipe 3 is connected to the lower part of the water storage tank 2, and the water pump 4 is connected to the water return pipe 3.

[0043] The design realizes the internal circulation of water between the water curtain wall body 1 and the water storage tank 2.

[0044] The above shows and describes the basic principles, main features and advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat-storing water curtain wall for cold-region greenhouses, characterized in that: The system includes a water curtain wall (1) and a water storage tank (2). The water curtain wall (1) is inclined forward from top to bottom. The water curtain wall (1) includes a top light-transmitting layer (11), a middle water-absorbing layer (12), a bottom waterproof layer (13), a water outlet pipe (14), and a return water pipe. The top light-transmitting layer (11), the middle water-absorbing layer (12), and the bottom waterproof layer (13) are arranged sequentially from front to back. The upper end and both sides of the top light-transmitting layer (11) and the bottom waterproof layer (13) are respectively sealed and fixed. The lower end of the top light-transmitting layer (11) and the bottom waterproof layer (13) is open and connected to the water storage tank (2). The water outlet pipe (14) is set in the upper part between the top light-transmitting layer (11) and the bottom waterproof layer (13). The upper end of the middle water-absorbing layer (12) is fixed to the water outlet pipe (14). The water inlet end of the water outlet pipe (14) is connected to the water storage tank (2) through the return water pipe.

2. The heat-storing water curtain wall for cold-region greenhouses according to claim 1, characterized in that: The water outlet pipe (14) is provided with multiple water outlets (15) evenly distributed along its length. The water outlets (15) are located in the upper part between the middle water absorption layer (12) and the top light-transmitting layer (11) and spray water towards the upper surface of the middle water absorption layer (12).

3. The heat-storing water curtain wall for cold-region greenhouses according to claim 1, characterized in that: The upper end of the intermediate absorbent layer (12) is wrapped and fixed to the outer wall of the outlet pipe (14).

4. A heat-storing water curtain wall for a cold-region greenhouse according to claim 3, characterized in that: The intermediate absorbent layer (12) is made of felt or sponge.

5. A heat-storing water curtain wall for a cold-region greenhouse according to claim 4, characterized in that: The intermediate absorbent layer (12) is black.

6. A heat-storing water curtain wall for a cold-region greenhouse according to claim 4, characterized in that: The side of the intermediate absorbent layer (12) is fixed to the side of the top light-transmitting layer (11) and the bottom waterproof layer (13) by a connecting plate (101).

7. A heat-storing water curtain wall for a cold-region greenhouse according to claim 1, characterized in that: The top light-transmitting layer (11) includes an outer frame and a light-transmitting film, with the light-transmitting film fixed to the outer frame.

8. A heat-storing water curtain wall for a cold-region greenhouse according to claim 1, characterized in that: The bottom waterproof layer (13) includes a fixed frame and a waterproof membrane. The waterproof membrane is fixed in the fixed frame and the material of the waterproof membrane is PE, polyethylene, PVC or polypropylene.

9. A heat-storing water curtain wall for a cold-region greenhouse according to claim 1, characterized in that: The water storage tank (2) is a rectangular box. A water inlet groove (21) is provided on the front side of the upper end of the water storage tank (2). The outer side of the lower end of the top light-transmitting layer (11) is fixedly connected to the front side wall of the water inlet groove (21), and the outer side of the lower end of the bottom waterproof layer (13) is fixedly connected to the rear side wall of the water inlet groove (21).

10. A heat-storing water curtain wall for a cold-region greenhouse according to claim 1, characterized in that: The return water pipeline includes a return water pipe (3) and a water pump (4). One end of the return water pipe (3) is connected to the inlet end of the outlet pipe (14), and the other end of the return water pipe (3) is connected to the lower part of the water storage tank (2). The water pump (4) is connected to the return water pipe (3).

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