CN205929683U - Greenhouse is with multi -functional cover membrane based on PET material - Google Patents

Greenhouse is with multi -functional cover membrane based on PET material Download PDF

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Publication number
CN205929683U
CN205929683U CN201620474058.4U CN201620474058U CN205929683U CN 205929683 U CN205929683 U CN 205929683U CN 201620474058 U CN201620474058 U CN 201620474058U CN 205929683 U CN205929683 U CN 205929683U
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China
Prior art keywords
upper strata
lower floor
greenhouse
pet material
utility
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CN201620474058.4U
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Chinese (zh)
Inventor
沈黎明
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NONGYUAN GREEN ENGINEERING Co Ltd SHANGHAI
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NONGYUAN GREEN ENGINEERING Co Ltd SHANGHAI
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Priority to CN201620474058.4U priority Critical patent/CN205929683U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

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Abstract

The utility model provides a greenhouse is with multi -functional cover membrane based on PET material, is including the upper strata, middle level and the lower floor that bond in proper order, upper strata, middle level and lower floor are the PET material, the inside and outside surface of upper strata and lower floor all is equipped with anti ultraviolet coating, perhaps, the surface of upper strata and lower floor all is equipped with anti ultraviolet coating, perhaps, the surface on upper strata is equipped with anti ultraviolet coating, the thickness of upper strata, middle level and lower floor is than being 2: 1: 2. The utility model discloses a structure that covers the membrane to greenhouse among the prior art is optimized, has realized the all good effects of performance such as overall product intensity, logical light efficiency fruit, there is optionally to add fire -retardant layer, anti ultraviolet coating through each layer at the product for it has better fire behaviour, ageing resistance ability, and then its life can reach the decade at least. The utility model discloses a cost is lower, the price / performance ratio is higher, and satisfied modern greenhouse that can be better covers the required standard of membrane, has the higher value of using widely.

Description

Based on the multi-functional coverlay in the greenhouse of PET material
Technical field
This utility model belongs to agricultural facility field, is related to a kind of high-tech heat preservation energy-saving product, more particularly, to a kind of base In the multi-functional coverlay in the greenhouse of PET material.
Background technology
Under current environment, low-carbon economy developmental pattern all in the application advocating resource energy-saving material, is advocated energetically in the whole world. In existing greenhouse covering film, application most for PE thin film, next to that glass, PC plate etc.;These materials are more or less all There are some serious defects, for example:Its heat-insulating property is not good, and after 3 years, light transmittance is only original 50% about, and hinders Combustion poor-performing;For glass, 1m2The grammes per square metre of (5mm thickness) glass is 12.5kg, and the quality of its unit volume is far above it His material, and its heat-insulating property, security performance be not good;Although high-grade garden glass has 85% high transmission rate and longer The advantages of service life, fire resistance are preferable, but, lead to the disadvantage that because of the property of its material itself, e.g., poor safety Property also can not be ignored;For PC plate, because its light transmittance is poor, it is difficult to meet the required standard of modern greenhouse coverlay.
Due to the particularity of application scenario, modern greenhouse coverlay must have anti-flammability, because Greenhouse System may be with Shi Fasheng fire.The factors such as operating in greenhouse for the such as welding or cultivation machine when the shortcoming of Circuits System, repairing have Lead to the danger of fire.Related data shows, when fire occurs, the intensity of a fire can pass through rapid and large-area turn of greenhouse combustible material Move, easily damage greenhouse and the staff in greenhouse is damaged;In addition, the plant in greenhouse can also be destroyed.Therefore Greenhouse covering film must have anti-flaming function, and has higher stability for ultraviolet irradiation;Also need simultaneously The problems such as cost of consideration material and expected service life;Its life-span is at least expected more than 10 years, and, must also be rational In price, for this reason, it is necessary to new improvement is made to the structure of existing greenhouse covering film.
Utility model content
The purpose of this utility model is for above-mentioned deficiency of the prior art, by changing the knot of greenhouse covering film Structure, selectively set up flame-retardant layer and uvioresistant coating in each layer of greenhouse covering film, a kind of greenhouse based on PET material is provided Use multi-functional coverlay.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that:
A kind of based on the multi-functional coverlay in the greenhouse of PET material, including the upper, middle and lower boning successively, institute State the upper, middle and lower and be PET material;The inner and outer surfaces of described upper strata and lower floor are equipped with uvioresistant coating, or, The outer surface of described upper strata and lower floor is equipped with uvioresistant coating, or, the outer surface on described upper strata is provided with uvioresistant coating;Institute State the thickness of upper strata, middle level and lower floor than for 2:1:2.
Further, the inner and outer surfaces of described upper strata and lower floor simultaneously or are selected one and are provided with flame-retardant layer.
The utility model proposes the greenhouse based on PET material with multi-functional coverlay, there is advantages below:
1st, by its bulk strength, thang-kng effect are enhanced with the optimization of each Rotating fields of multi-functional coverlay to described greenhouse The performances such as fruit.
2nd, pass through selectively to set up flame-retardant layer, uvioresistant coating in described greenhouse with each layer of multi-functional coverlay, Make product have preferable fire resistance, ageing resistace, and then promote the service life of product at least up to 10 years.
3rd, above-mentioned greenhouse, with the cost of multi-functional coverlay is relatively low, cost performance is higher, can preferably meet modern greenhouse The required standard of coverlay, has higher popularizing value.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure:1- upper strata, 2- middle level, lower floor -3.
Specific embodiment
Describe preferred embodiment of the present utility model below in conjunction with the accompanying drawings in detail.
Refer to Fig. 1, the utility model discloses a kind of based on the multi-functional coverlay in the greenhouse of PET material, including according to The upper strata 1 of secondary bonding, middle level 2 and lower floor 3, described upper strata 1, middle level 2 and lower floor 3 are PET (polyethylene terephthalate Ester) material, the inner and outer surfaces of described upper strata 1 and lower floor 3 are equipped with uvioresistant coating, or, described upper strata 1 and lower floor 3 outer Surface is equipped with uvioresistant coating, or, the outer surface on described upper strata 1 is provided with uvioresistant coating;Preferably simultaneously on described upper strata 1 And the outer surface of lower floor 3 sets up uvioresistant coating.The thickness of described upper strata 1, middle level 2 and lower floor 3 is than for 2:1:2.Experiment shows, Now the performance such as the bulk strength of described covering material, thang-kng effect is obviously improved.
Above-mentioned the greenhouse PET material selected by multi-functional coverlay and single-glass, plastics PC plate, plastics PE thin film Correlated performance is compared as follows shown in table:
Title material Single-glass Plastics PC plate Plastics PE thin film PET
Thickness (mm) 5 10 (hollows) 0.1~0.2 0.15~0.25
Light transmittance (%) 88~92 79~81 85~90 ≥90
Heat transfer coefficient (W/m2K) 5.6 3.2 6.5~7.0 3.2~3.5
Weight (kg/m2) 10.5 2.2 0.091~0.18 0.21~0.28
Service life ≥10 >=10 years ≤ 5 years ≥10
Price (unit/square metre) 25 70 5 yuan ≥20
Other features Frangible Interlayer easily enters ash water inlet Fragile Intensity is high
The main component of described uvioresistant coating is anti ultraviolet agent;It is of course also possible to directly anti ultraviolet agent is added into institute State in upper strata 1, any layer in lower floor 3 or the PET material used by two-layer, or, anti ultraviolet agent is added into simultaneously upper strata 1st, in the PET material used by middle level 2, lower floor 3.Described anti ultraviolet agent is preferred1577 or1600 Or234, their effective ingredient belongs to triazines material, between wave-length coverage 290nm-350nm, to light Trap be far above every other current use anti ultraviolet agent;Their absorbability substantially not over time and under Fall, one is added has1577 or1600 or234 PET material make and For the greenhouse covering film of 200um thickness becoming, its uvioresistant performance numerical value even remains to reach after xenon lamp irradiates 20000 hours To raw value more than 80%;In addition, in terms of keeping optical property (as color, aberration and transparency etc.), its performance It is much better than the UV absorbent of other traditional classes.
Preferably, the outer surface of described upper strata 1 and lower floor 3 simultaneously or is selected one and is provided with flame-retardant layer.
The main component of described flame-retardant layer is colourless organic phosphates fire retardant, including phosphorus (phosphine) acid esters, phosphite ester, organic Microcosmic salt, phosphine oxide, phosphorus-containing polyol etc., preferred unit phosphorus content 6000~10000PPM, this organophosphorous fire retardant is to polymer Physical and mechanical propertiess impact less, and and polymer compatibility good, with1577、 1600 or234 also have preferable concertedness, and its flame retardant rating can reach V-0 level standard, it is of course also possible to directly Connect and aforementioned colourless organophosphorous fire retardant is directly added in the PET material that described upper strata 1 is selected with lower floor 3;Or, by aforementioned nothing Color organophosphorous fire retardant is added in the PET material used by upper strata 1, middle level 2, lower floor 3 simultaneously.
Here description of the present utility model and application are illustrative, are not wishing to be limited in scope of the present utility model State in embodiment.In the case of without departing from this utility model scope and spirit, embodiments disclosed herein can be carried out Other deformation and change.

Claims (1)

1. a kind of greenhouse based on PET material with multi-functional coverlay it is characterised in that:Including the upper strata boning successively, middle level And lower floor, described the upper, middle and lower are PET material;The inner and outer surfaces of described upper strata and lower floor are equipped with uvioresistant and apply Layer, or, the outer surface of described upper strata and lower floor is equipped with uvioresistant coating, or, the outer surface on described upper strata is provided with anti-purple External coating;The thickness of described upper strata, middle level and lower floor is than for 2:1:2;The inner and outer surfaces of described upper strata and lower floor simultaneously or select one It is provided with flame-retardant layer.
CN201620474058.4U 2016-05-23 2016-05-23 Greenhouse is with multi -functional cover membrane based on PET material Active CN205929683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620474058.4U CN205929683U (en) 2016-05-23 2016-05-23 Greenhouse is with multi -functional cover membrane based on PET material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620474058.4U CN205929683U (en) 2016-05-23 2016-05-23 Greenhouse is with multi -functional cover membrane based on PET material

Publications (1)

Publication Number Publication Date
CN205929683U true CN205929683U (en) 2017-02-08

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Family Applications (1)

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CN201620474058.4U Active CN205929683U (en) 2016-05-23 2016-05-23 Greenhouse is with multi -functional cover membrane based on PET material

Country Status (1)

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CN (1) CN205929683U (en)

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