CN203353302U

CN203353302U - Greenhouse covering structure

Info

Publication number: CN203353302U
Application number: CN2013204055610U
Authority: CN
Inventors: 崔勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-09
Filing date: 2013-07-09
Publication date: 2013-12-25
Anticipated expiration: 2023-07-09

Abstract

The utility model provides a greenhouse covering structure which is formed by splicing at least three layers of films in a heat seal mode. Heat seal points between every two films are arranged in a staggered mode, and space, except the heat seal points, between every two films is air storing space. Air is inflated into the air storing space when the greenhouse covering structure is used. An air inflating structure is used for improving strength and the heat-preservation performance. The greenhouse covering structure has the temperature adjusting performance, and the temperature of the space covered by the greenhouse covering structure can be changed by using the films of different colors or utilizing a sunlight-reflecting or sunlight-absorbing material on any layer. The greenhouse covering structure has the light adjusting performance, and the lighting intensity of the space covered by the greenhouse covering structure can be changed by changing the light transmittance of the material of any layer. The greenhouse covering structure meets the use requirement in terms of intensity, more importantly meets the requirement for the performance under different use conditions of customers, and can meet different requirements in terms of heat-preservation effect and illuminance. The greenhouse covering structure is simple in structure, convenient to manufacture and convenient to transport and lay.

Description

A kind of plastic house structure

Technical field

The utility model relates to a kind of agricultural plastic house structure.

Background technology

Existing booth comprises plastic tunnel film and frame.Form full arc shape or half arcuate structure by frame, the plastic tunnel film covers the outer surface of scaffolding structure, by four limit compactings of horticultural covering film on earth's surface or imbed the underground heat preservation greenhouse that formed.But, what existing this heat preservation greenhouse majority adopted is the monolayer plastic horticultural covering film, the plastic tunnel film of this individual layer in use, heat insulation effect is poor, day and night temperature is large, usually need to, at inside or the warming facility of outside interpolation of heat preservation greenhouse, also need to cover straw screen or mat, cotton-wadded quilt etc. at the outer surface of monolayer plastic horticultural covering film to keep the temperature of heat preservation greenhouse inside.Raise at sunrise straw screen or mat or cotton-wadded quilt every day, cover at sunset straw screen or mat or cotton-wadded quilt.Complicated operation, labour intensity is large, and also easy ponding, accumulated snow cause the damage of plastic tunnel.

For solving the bad technical problem of heat preservation greenhouse heat-insulating property of individual layer horticultural covering film, the plastic tunnel film of some double-deckers or the inflatable structure of also having arisen at the historic moment on the market, but transportation and laying are complicated, perhaps subsequent installation easily causes the inner gas leakage of Double-layered greenhouse film, can't reach desirable heat insulation effect, and, to the increasing of booth performance requirement, also can't meet the requirement to booth thermal insulation effect and illuminance for people simultaneously.

Need badly a kind of simple in structurely, be convenient to the plastic house structure that transportation and laying and heat insulation effect and illuminance can meet the different requirements of people.

Summary of the invention

The utility model provides a kind of plastic house structure, and it can solve that prior art exists can't meet the problem that heat insulation effect and different light degree require.

In order to solve the problems of the technologies described above, the technical solution of the utility model is,

A kind of plastic house structure, described covered structure forms by least the trilamellar membrane heat seal is bonding, and the heat seal dot interlace between film and film arranges, and between film and film, outside the heat extraction chalaza, is gas storage space, gas storage space inner inflatable during use.

Covered structure adopts at least trilamellar membrane, in the centre of covered structure, at least has a layer interlayer.

At least one deck of described covered structure adopts the film of different colours or carries out even, inhomogeneous covering.

At least one tunic of described covered structure adopts the material of reflective or extinction.

Carry out even or inhomogeneous covering or adopt the material of reflective or extinction to make film by the printing different colours, change absorption or the reflection of plastic house structure to heat, thereby change the temperature of covering space; Such as adopting white to reduce temperature; The use dark material elevates the temperature, such as black plastic film.Use reflectorized material that temperature is descended, such as reflective plastic film, minute surface reflective membrane, all can reduce temperature.

At least one tunic of described covered structure adopts the material of different light transmittances.

Wherein, change light transmittance and can on the film of intermediate course, offer some holes.

Improve light transmission and can carry out the even or inhomogeneous covering of color to light transmissive material; Perhaps adopt light screening material to make it fully light tight.

Described gas storage space communicates with each other, its closed at both ends, and an end is provided with and charges and discharge gas port therein.

Described gas storage space is separate, and each gas storage space closed at both ends is provided with and independently charges and discharge gas port at the wherein end of each gas storage space.

Wherein, described film adopts rubber, plastics and other heat sealable bonding flexible gas impermeable materials to be made.

Such as film can adopt PE, BOPP film.The BOPP film is bidirectional stretching polypropylene film, and the physical stability of this film, mechanical strength, air-tightness are better, and transparency and glossiness are higher, and tough and hard wear resistant is current most widely used printing film.

Preferably, described covered structure is comprised of three layers, four layers or five tunics.Most preferably adopt the structure of four tunics, cost performance the best.

The utility model compared with prior art has the following advantages and good effect:

(1) adopt inflatable structure: after inflation, improve intensity and heat-insulating property; After venting, be convenient to install and take in.

(2) have temperature adjusting performance: arbitrary layer is by being used the film of different colours; Perhaps adopt the material flash back the sunlight or to absorb sunlight to change the temperature of plastic house structure institute covering space.

(3) there is dimming behavior: by changing the light transmittance of any layer of material, change the intensity of illumination of plastic house structure institute covering space.

To sum up, plastic house structure of the present utility model meets instructions for use on intensity, and what is more important has met the performance requirement of client under different service conditions, can meet the different requirements of heat insulation effect and illuminance aspect, and simple in structure, easy to make, be convenient to transportation and lay.

The accompanying drawing explanation

Fig. 1 is the partial cross section figure (before unaerated) of the specific embodiment of plastic house structure described in the utility model with four tunic structures;

Sectional view when Fig. 2 is the rear use of the inflation of structure shown in Fig. 1.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Shown in figure 1, a kind of plastic house structure, the tunic heat seal is bonding forms by four for this covered structure, is respectively the A film on upper strata, middle B film and C film, the D film of lower floor, heat seal point 1 between film and film is crisscross arranged, and between film and film, outside heat extraction chalaza 1, is gas storage space 2, and gas storage space 2 communicates with each other in its end, in two ends edge sealing, and an end is provided with and charges and discharge gas port (not shown on figure) therein.

Wherein, A, B, C, D film all adopt the PE film, and middle B film process black improves heat insulation effect; Offer some holes on the C film, increase light transmittance.

As shown in Figure 2, this covered structure is gas storage space 2 inner inflatable in use, and gas storage space 2 is softened, presents cellular cross section, and intensity is very good, and the heat insulation effect after inflation improves greatly.

A, B, C, D film also can adopt the BOPP film.The BOPP film is bidirectional stretching polypropylene film, and the physical stability of this film, mechanical strength, air-tightness are better, and transparency and glossiness are higher, and tough and hard wear resistant is current most widely used printing film.

Certainly, the structure of above-described embodiment is according to user's different requirements, and such as requiring light transmittance low, the C film is with regard to not perforate; Require heat insulation effect further to strengthen, the A film can adopt black plastic film again, absorbs sunlight.

Arbitrary tunic can also adopt the material of reflective or extinction, changes absorption or the reflection of plastic house structure to heat, thus the temperature of regulating covering space.Use reflectorized material that temperature is descended, such as reflective plastic film, minute surface reflective membrane, all can reduce temperature.The use dark material elevates the temperature, such as black plastic film.

Improve light transmission and can carry out the even or inhomogeneous covering of color to light transmissive material; Perhaps on film, print color makes it fully light tight.

Film adopts rubber, plastics and other heat sealable bonding flexible gas impermeable materials to be made.

Certainly, covered structure can also adopt trilamellar membrane, or four layers, five tunics, in the centre of covered structure, at least has a layer interlayer.Considering cost and performance, adopt the structure of four tunics for optimum.

The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims

1. a plastic house structure, it is characterized in that: described covered structure forms by least the trilamellar membrane heat seal is bonding, and the heat seal dot interlace between film and film arranges, and between film and film, outside the heat extraction chalaza, is gas storage space, gas storage space inner inflatable during use;

At least one tunic of described covered structure is different colours or carries out even, inhomogeneous covering;

Perhaps at least one tunic of described covered structure adopts the material of reflective or extinction;

Perhaps at least one tunic of described covered structure adopts the material of different light transmittances, offers some holes on the film of described intermediate course.

2. plastic house structure according to claim 1, it is characterized in that: described gas storage space communicates with each other, its closed at both ends, an end is provided with and charges and discharge gas port therein.

3. plastic house structure according to claim 1, it is characterized in that: described gas storage space is separate, and each gas storage space closed at both ends is provided with and independently charges and discharge gas port at an end of each gas storage space.

4. plastic house structure according to claim 1, it is characterized in that: described film adopts rubber, plastics and other heat sealable bonding flexible gas impermeable materials to be made.

5. plastic house structure according to claim 4, it is characterized in that: described film adopts PE, BOPP film.

6. plastic house structure according to claim 1 is characterized in that: described covered structure is comprised of three layers, four layers or five tunics.