CN202050744U - Double-membrane hollow thermal-insulation greenhouse - Google Patents

Abstract

The utility model belongs to the technical field of agricultural greenhouses, in particular to a double-membrane hollow thermal insulation greenhouse for cultivating vegetables, fruit trees and the like. The technical scheme of the utility model is: a double-layer membrane hollow thermal insulation greenhouse, including an inner membrane and an outer membrane, and also includes a group of parallel arched rods located between the outer membrane and the inner membrane, and the connecting rods are connected with the inner membrane. Each arch frame rod is fixedly connected longitudinally, and the inner film is connected with the inner side of the arch frame rod and the connecting rod through the slot. The double-membrane hollow thermal insulation greenhouse described in the utility model only separates the two house membranes through a single-layer arched frame, and uses the space between the two layers of membranes to separate the temperature difference between the inside and outside of the shed. Compared with single-layer film and solar panels, and corrugated inflatable film greenhouses, the thermal insulation effect is usually higher than 10 degrees.

Description

Double-layer film hollow insulation greenhouse

technical field

The utility model belongs to the technical field of agricultural greenhouses, in particular to a double-membrane hollow thermal insulation greenhouse for cultivating vegetables, fruit trees and the like. the

Background technique

Most of the thermal insulation greenhouses used in the existing agriculture are single-layer membrane thermal insulation greenhouses. The disadvantage is: due to the poor thermal insulation performance of the single-layer membrane, it is necessary to cover the outside with straw curtains for insulation in the morning and evening or when the temperature is low, which not only increases the agricultural production cost , and waste a lot of manpower; in the Chinese patent application, there are double-layer film insulation greenhouses, which solve the problem of poor thermal insulation effect of single-layer film greenhouses, but in order to ensure that there are enough gaps between the double-layer membranes for heat preservation, double-layer film greenhouses Most of the skeletons used are upper and lower two-layer skeletons, and there are reinforced connecting plates between the two layers of skeletons. Although this solves the problem of the interval between the two layers of membranes, it greatly increases the materials used in the entire greenhouse, thereby increasing production costs. . the

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a double-layer film intermediate heat preservation greenhouse, which is designed to save material and labor, is simple to manufacture, and is easy to install. Due to the effect of hollow isolation, straw curtains can be used in winter , which will greatly save investment costs and labor costs, increase farmers' income, and is very suitable for large-scale promotion. the

In order to solve the above-mentioned technical problems, the technical solution of the utility model is: a double-layer film hollow thermal insulation greenhouse, including an inner film and an outer film, and also includes a group of mutually parallel arches between the outer film and the inner film. The frame rods and the connecting rods are longitudinally fixedly connected to each arched frame rod, and the inner film is connected to the inner side of the arched frame rods and the connecting rods through a slot. the

The two sides of the arched frame rod, the inner film and the outer film described in the utility model are fixedly connected with the ground. the

The two ends of the arched frame rod described in the utility model are respectively connected with the column, and there is an inner film connecting rod longitudinally connected with the column. the

The inner film of the utility model is respectively connected with the connecting rods of the inner film on both sides through the slot, and the inner film and the two sides of the outer film are fixedly connected with the ground. the

According to the utility model, at least two sets of arched frame rods are connected by columns, and the outer film and the inner film are respectively connected to the columns by slots. the

The utility model is provided with a water outlet at the junction of the two groups of arched rods at the top of the column. the

The outer membrane of the utility model is on the top of the outer side of the continuous arched frame rod, and the end of the arched frame rod is connected with the column through the slot, and the lower opening of the inner layer membrane is connected with the connecting rod of the inner layer membrane through the slot. the

The arch frame rod described in the utility model is inserted into the slot on the column. The arched frame rod and the connecting rod are connected through a clamp, and there is a rubber pad between the arched frame rod and the connecting rod. the

The outer film of the utility model is composed of the outer fixed film at the bottom and the outer air vent film at the upper part, and the inner film is composed of the inner fixed film at the bottom and the inner air vent film at the upper part . the

The upper part of the inner fixed film and the outer fixed film described in the utility model is respectively connected with the arched frame rod through the draw-in groove, and the lower part of the outer layer air outlet film and the inner layer air outlet film is respectively as long as the horizontal roll film. The rods are connected, the two ends of the long film roll rod are connected with the film lifter, and the film lifter is slidingly connected with the lifting guide rod. the

This kind of greenhouse adopts a form of fixing films on the inner and outer layers of the arched poles (a low-cost, long-life, and aging-resistant magnesite composite material is more suitable for the arched poles), and the diameter of the poles is about 5 cm. , The span of the arch frame is about 9 meters, both ends are buried in the soil and supported, and the height of the inner vault is 2.5 to 3 meters. People can walk upright inside, and it is more convenient for planter farming. The outer film is fixed on the outside of the arched frame, and the two lower sides of the film are pressed into the soil; the inner film is fixed on the inner side of the connecting rod of the arch, and the two lower sides of the film are also pressed into the soil; the arched frame and the connecting rod It is locked with a clamp and a rubber pad is added in the middle to reduce the conduction and emission of temperature. In this way, a hollow insulation layer between the inner and outer films is formed. This kind of greenhouse can be extended to tens of meters or even hundreds of meters as a whole. the

The elevated multi-arch greenhouse adopts multiple sets of continuous arched rods, which are connected by a steel frame structure. The span of each group of arched rods can reach 8-9 meters, and the height of the arch is about 1.5-2 meters. The height of the steel column About 3 meters, the total height of the roof is about 4.5-5. The outer film is installed and fixed on the outer top of the continuous arched frame rod, and a steel water outlet is set at the end connection of the two sets of arched rods, and the lower opening of the outer film is connected and fixed with the water outlet. The groups are connected into one; the inner film is installed and fixed on the inner side of the continuous arched frame, the upper film is fixed under the connecting rod at the top of the arched frame, and the lower film is fixed on the inner film connecting rod under the water outlet On the surface, it is also connected in groups; a hollow insulation layer is formed between the outer film and the inner film. This kind of greenhouse has a relatively large area, and several acres or tens of acres can be connected into one. The greenhouse should be short from north to south and long from east to west, with 5 to 7 spans from north to south, and tens of spans from east to west. the

Elevated single greenhouse is a single-family single-family single-family shed. There is no need for a water tank. Arched poles are installed directly on 3-meter-high steel columns. The span of the arched poles is 1.5-2 meters high, and the total height of the roof is about 4.5 meters. —5. The lower sides of the inner and outer membranes are pressed into the soil. the

The ventilation and cooling outlets of various greenhouses are set on the upper part of the greenhouse. The inner two layers of the arched frame of the greenhouse are equipped with lifting guide rods. The outer layer of fixed film is located at the lower part of the arched frame of the greenhouse. On the upper part of the frame rod, pull the roll film lifter at one end to rotate the roll film long rod to roll up the outer layer of air vent film; the position of the lower layer air vent is set at one end of the shed, and a layer is laid under the moving film roll rod The inner fixed film is covered with a layer of inner air outlet film, and the long film roll rod is clamped under the inner layer air outlet film, so that the air outlet of the inner layer film can be operated in the shed without occupying The most important thing is to maintain the tightness of the inner membrane. the

The beneficial effects of the utility model are: the double-layer film hollow heat preservation greenhouse includes an inner film and an outer film, and also includes a group of mutually parallel arched support rods between the outer film and the inner film, and the connecting rods are connected with the inner film. Each arch frame rod is fixedly connected longitudinally, and the inner film is connected with the inner side of the arch frame rod and the connecting rod through the slot. The double-membrane hollow thermal insulation greenhouse described in the utility model only separates the two house membranes through a single-layer arched frame, and uses the space between the two layers of membranes to separate the temperature difference between the inside and outside of the shed. Compared with single-layer film and solar panels, and corrugated inflatable film greenhouses, the thermal insulation effect is usually higher than 10 degrees. Due to the effect of hollow isolation, straw curtains are not needed in winter, and the design is material and labor-saving, simple to manufacture, and easy to install. This will greatly save investment costs and labor costs, and increase farmers' income. It is very suitable for large-scale promotion. the

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1,

Figure 2 is an enlarged schematic diagram of part A in Figure 1,

Figure 3 is an enlarged schematic diagram of part B in Figure 1,

Fig. 4 is the structural representation of the utility model embodiment 2,

Fig. 5 is the structural representation of the utility model embodiment 3,

FIG. 6 is an enlarged schematic view of part C in FIG. 5 .

In the figure: 1-outer film, 2-connecting rod, 3-arch frame rod, 4-inner film, 5-rubber pad, 6-card slot, 7-slot, 8-inner film connecting rod, 9-column, 10-water outlet, 11-outer fixed film, 12-inner fixed film, 13-lifting guide rod, 14-outer air vent film, 15-inner air vent film, 16-roll film elevator , 17-roll film long rod. the

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment. the

Detailed ways

Example 1

As shown in Figures 1, 2 and 3, this kind of greenhouse adopts a form of fixing films on the inner and outer layers of the arched frame rod 3 (the arched frame rod uses a low-cost, long-life, and aging-resistant magnesite composite material More suitable), the diameter of the pole is about 5 cm, the span of the arch is about 9 meters, the two ends are buried in the soil and supported, the height of the inner vault is 2 meters 5 to 3 meters, people can walk upright inside, and the planter farming is more convenient . The outer membrane 1 is fixed on the outside of the arch frame rod 3, and the two lower sides of the outer layer membrane 1 are pressed into the soil; the inner layer membrane 4 is connected to the connecting rod 2 and the arch frame through the slot 6 on the inner side of the arch frame connecting rod 2 The body 3 is fixed, and the two lower sides of the inner film 4 are also pressed into the soil; the arched frame rod 3 and the connecting rod 2 are locked with a clamp, and a rubber pad 5 is added in the middle to reduce the conduction and emission of temperature. In this way, an inner and outer structure is formed. A hollow insulation layer between two layers of film.

The outer film is composed of the outer fixed film 11 at the bottom and the outer air vent film 14 at the top, and the inner film is composed of the inner fixed film 12 at the bottom and the inner air vent film 15 at the top. The tops of the inner fixed film 12 and the outer fixed film 11 are respectively connected to the arched frame bar 3 through the draw-in groove 6, and the lower parts of the outer layer air outlet film 14 and the inner layer air outlet film 16 are respectively connected with the horizontal roll film long rod 17. Connect, the two ends of roll film long rod 17 are connected with roll film lifter 16, roll film lifter 16 is connected with lifting guide rod 13 slidingly. the

Example 2

As shown in Figure 4, the two ends of the arched frame rod 3 are respectively connected with the column 9 through the slot 7, and the inner membrane connecting rod 8 is longitudinally connected with the column 9, and the inner membrane 4 is connected with the inner membranes on both sides respectively. The connecting rod 8 is connected through the slot 6, and the inner film 4 and the two sides of the outer film 1 are fixedly connected to the ground. Install the arched frame bar 3 directly on the 3-meter-high steel column 9, the span of the arched frame bar 3 is 1.5-2 meters, the total height of the roof is about 4.5-5 meters, and the lower side of the inner and outer film is pressed into the soil middle.

The outer film is composed of the outer fixed film 11 at the bottom and the outer air vent film 14 at the top, and the inner film is composed of the inner fixed film 12 at the bottom and the inner air vent film 15 at the top. The tops of the inner fixed film 12 and the outer fixed film 11 are respectively connected to the arched frame bar 3 through the draw-in groove 6, and the lower parts of the outer layer air outlet film 14 and the inner layer air outlet film 16 are respectively connected with the horizontal roll film long rod 17. Connect, the two ends of roll film long rod 17 are connected with roll film lifter 16, roll film lifter 16 is connected with lifting guide rod 13 slidingly. the

Example 3

According to Fig. 5 and Fig. 6, the outer film 1 is installed and fixed on the outer top of the continuous arched frame bar 3, and at the end connection of two groups of arched frame bars 3, a steel water outlet trough 10 is set, The lower opening of the outer film 1 is connected and fixed with the water outlet tank 10, and the groups are connected into one; the inner film 4 is installed and fixed on the inner side of the continuous arched frame bar 3, and the upper port of the inner layer film 4 is fixed on the arched frame bar 3. Under the top connecting rod 2, the lower opening of the inner film 4 is fixed on the inner film connecting rod 8 under the water outlet, which is also connected in groups; the outer film 1 and the inner film 4 form a Hollow insulation. This kind of elevated multi-arch greenhouse adopts multiple groups of continuous arched rods 3, the span of each group of arched rods 3 can reach 8-9 meters, the height of the arch is about 1.5-2 meters, and the height of the steel column 9 is 3 meters. The total height of the roof is about 4.5-5. The area of the greenhouse is relatively large, and several acres or tens of acres can be connected into one.

The outer film is composed of the outer fixed film 11 at the bottom and the outer air vent film 14 at the top, and the inner film is composed of the inner fixed film 12 at the bottom and the inner air vent film 15 at the top. The tops of the inner fixed film 12 and the outer fixed film 11 are respectively connected to the arched frame bar 3 through the draw-in groove 6, and the lower parts of the outer layer air outlet film 14 and the inner layer air outlet film 16 are respectively connected with the horizontal roll film long rod 17. Connect, the two ends of roll film long rod 17 are connected with roll film lifter 16, roll film lifter 16 is connected with lifting guide rod 13 slidingly. the

Claims (10)

1. The double-layer film hollow thermal insulation greenhouse, including the inner film and the outer film, is characterized in that: it also includes a group of arched rods parallel to each other between the outer film and the inner film, and the connecting rods are connected with each arch. The shaped frame rods are longitudinally fixedly connected, and the inner film is connected with the inner side of the arched frame rods and the connecting rods through the slot. 2. The double-layer film hollow heat preservation greenhouse according to claim 1, characterized in that: the arched frame rod, the two sides of the inner film and the outer film are fixedly connected to the ground. 3. The double-membrane hollow thermal insulation greenhouse according to claim 1, characterized in that: the two ends of the arched frame rods are respectively connected to the uprights, and the inner membrane connecting rods are longitudinally connected to the uprights. 4. The double-layer film hollow thermal insulation greenhouse according to claim 3, characterized in that: the inner film is respectively connected to the connecting rods of the inner film on both sides through a slot, and the two sides of the inner film and the outer film Fixed connection to ground. 5. The double-layer membrane hollow heat preservation greenhouse according to claim 3, characterized in that: said at least two groups of arched rods are connected by columns, and the outer film and the inner film are respectively connected to the columns by slots. 6. The double-membrane hollow thermal insulation greenhouse according to claim 5, characterized in that: a water outlet is provided at the junction of the two sets of arched rods at the top of the column. 7. The double-layer membrane hollow thermal insulation greenhouse according to claim 5 or 6, characterized in that: the outer layer membrane is on the outer top of the continuous arched pole, and at the end of the arched pole, passes through the card slot and the column Connection, the lower opening of the inner membrane is connected with the connecting rod of the inner membrane through a card slot. 8. The double-membrane hollow thermal insulation greenhouse according to claim 3, 4, 5 or 6, characterized in that: the arched frame rod is plugged into the slot on the column. 9. According to claim 1, 2, 3, 4, 5 or 6 described double-layer membrane hollow heat preservation greenhouse, it is characterized in that: described outer layer membrane is placed by the outer layer fixing film that is positioned at the bottom and the outer layer that is positioned at the top. The air outlet film is composed of the inner layer fixed film at the bottom and the inner air vent film at the upper part. 10. The double-membrane hollow thermal insulation greenhouse according to claim 9, characterized in that: the upper parts of the inner fixed film and the outer fixed film are respectively connected to the arched frame rods through card slots, and the outer layer is placed The lower part of the tuyere film and the inner layer air outlet film are respectively connected with the horizontal roll film rod, the two ends of the roll film rod are connected with the roll film lifter, and the roll film lifter is slidably connected with the lifting guide rod.

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