CN220511757U

CN220511757U - Multilayer-covered greenhouse film

Info

Publication number: CN220511757U
Application number: CN202322214093.5U
Authority: CN
Inventors: 王志强; 崔瑜斌; 王洪莉
Original assignee: Shandong Xifeng Plastic Industry Co ltd
Current assignee: Shandong Xifeng Plastic Industry Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-02-23
Anticipated expiration: 2033-08-17

Abstract

The utility model provides a multilayer-covered greenhouse film, and relates to the technical field of greenhouse films. Through the setting of layer of adjusting luminance, play certain polymerization guide effect to the sunshine of shining into, material that the layer of adjusting luminance has transparent material in addition makes the canopy membrane of the device's light transmissivity stronger, through the setting of ageing resistance layer, has improved the ageing resistance of this canopy membrane, has improved the life of this canopy membrane, adopts PE layer or PVC layer's setting through the skin, and PE layer or PVC layer have weatherability and waterproof performance, can protect the canopy membrane effectively and avoid the erosion of external environment such as ultraviolet ray, wind and rain. Meanwhile, sufficient sunlight irradiation is provided for plants in the greenhouse, so that the problems of poor protection effect and poor light transmittance of the single-layer greenhouse film in the traditional device are solved.

Description

Multilayer-covered greenhouse film

Technical Field

The utility model relates to the technical field of greenhouse films, in particular to a multilayer covered greenhouse film.

Background

The greenhouse film is mainly used for manufacturing plastic greenhouses and plastic agricultural films of greenhouses. After being covered, the plant growth regulator can provide a microclimate environment with good temperature, humidity and light quality for crops, prevent plant diseases and insect pests and reduce the influence of natural disasters, thereby improving the yield and quality of the crops, and harvesting and prolonging the growth period in advance.

The existing multilayer covered greenhouse film can only realize the function of heat preservation, when the sun irradiates, the light-transmitting effect is not very good, so that the requirement of crop growth cannot be well met, and in addition, the greenhouse film is arranged in a single layer, so that the protection effect is not very good.

Disclosure of Invention

The utility model aims to solve the problems of poor protection effect and poor light transmittance of a single-layer greenhouse film in the prior art, and provides a multilayer-covered greenhouse film.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a canopy membrane of multilayer cover, includes the inlayer, the upper surface of inlayer is provided with the flexible layer of heat preservation, the upper surface of the flexible layer of heat preservation is provided with the ageing resistance layer, the upper surface of ageing resistance layer is provided with the layer of adjusting luminance, the upper surface of adjusting luminance layer is provided with the skin.

Preferably, the inner layer adopts a PE layer or an EVA layer or a PE and EVA mixed layer, and the thickness of the inner layer is 70-150 mu m.

Preferably, the heat-insulating flexible layer is a PVC transparent film layer, and the thickness of the heat-insulating flexible layer is 11-40 mu m.

Preferably, the dimming layer adopts a liquid crystal layer, and the thickness of the dimming layer is 11-40 mu m.

Preferably, the anti-aging layer is a polymer layer, and the thickness of the anti-aging layer is 11-40 μm.

Preferably, the outer layer is a PE layer or a PVC layer, and the thickness of the outer layer is 70-150 mu m.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, through the arrangement of the dimming layer, a certain polymerization guiding effect is achieved on the irradiated sunlight, and the dimming layer is made of transparent materials, so that the light transmittance of the greenhouse film of the device is stronger, through the arrangement of the anti-aging layer, the anti-aging performance of the greenhouse film is improved, the service life of the greenhouse film is prolonged, and through the arrangement of the PE layer or the PVC layer as the outer layer, the PE layer or the PVC layer has weather resistance and waterproof performance, and the greenhouse film can be effectively protected from the corrosion of external environments such as ultraviolet rays, wind and rain. Simultaneously, these materials still have certain light transmissivity, can make light can see through the canopy membrane, provide sufficient sunshine for the plant in the canopy and shine, the security when having improved this canopy membrane and use, through the setting of heat preservation, effectual vegetables to in the big-arch shelter keep warm, make the vegetables grow better, through inlayer, heat preservation flexible layer, ageing resistance layer, layer and outer setting of adjusting luminance, make this canopy membrane be the multilayer equipment, every all has different effects, thereby the problem that single-layer canopy membrane protection effect is poor and light transmissivity is poor in the traditional device has been solved.

Drawings

Fig. 1 is a perspective view of a multilayer covered greenhouse film according to the present utility model;

FIG. 2 is a perspective view of a multi-layered covered canopy film according to the present utility model;

fig. 3 is a front view of a multilayer covered greenhouse film according to the present utility model.

Legend description:

1. an inner layer; 2. a heat-insulating flexible layer; 3. an anti-aging layer; 4. a dimming layer; 5. an outer layer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-3, the utility model provides a multilayer covered greenhouse film, which comprises an inner layer 1, wherein a heat-insulation flexible layer 2 is arranged on the upper surface of the inner layer 1, an anti-aging layer 3 is arranged on the upper surface of the heat-insulation flexible layer 2, a light-adjusting layer 4 is arranged on the upper surface of the anti-aging layer 3, and an outer layer 5 is arranged on the upper surface of the light-adjusting layer 4.

The effect that its whole embodiment 1 reached is, through the setting of layer 4 of adjusting luminance, play certain polymerization guide effect to the sunshine of shining, add the material that layer 4 all had transparent material of adjusting luminance, make the canopy membrane of the device's light transmissivity stronger, through the setting of ageing resistance layer 3, the ageing resistance of this canopy membrane has been improved, the life of this canopy membrane has been improved, all carry out certain protection to the inside and outside of this canopy membrane through the setting of inlayer 1, the security when having improved this canopy membrane and used, through setting up of heat preservation pliable layer 2, on the one hand, effectually keep warm the vegetables in the big-arch shelter, make the vegetables grow better, on the other hand, make this canopy membrane more flexible, the practical effect is better.

In the embodiment 2, as shown in fig. 1-3, the inner layer 1 is a PE layer or an EVA layer or a mixture of PE and EVA, the thickness of the inner layer 1 is 70-150 μm, the heat-insulating flexible layer 2 is a PVC transparent film layer, the thickness of the heat-insulating flexible layer 2 is 11-40 μm, the light-adjusting layer 4 is a liquid crystal layer, the thickness of the light-adjusting layer 4 is 11-40 μm, the anti-aging layer 3 is a polymer layer, the thickness of the anti-aging layer 3 is 11-40 μm, the outer layer 5 is a PE layer or a PVC layer, and the thickness of the outer layer 5 is 70-150 μm.

The effect that its whole embodiment 2 reached is, through inlayer 1, heat preservation compliance layer 2, ageing resistance layer 3, adjust luminance layer 4 and outer 5's setting, make this canopy membrane be the multilayer equipment, outer 5 and inlayer 1 main protection, heat preservation compliance layer 2, ageing resistance layer 3 and adjust luminance layer 4 main functions, make the canopy membrane practical effect of the device better, avoided the individual layer canopy membrane not only to protect the effect poor, and the very single problem of function, adopt PE layer or PVC mixed layer through outer 5, and PE layer or PVC layer have weatherability and waterproof performance, can protect the canopy membrane effectively and avoid the erosion of external environment such as ultraviolet ray, wind and rain. Simultaneously, these materials still have certain light transmissivity, can make light can see through the canopy membrane, provide sufficient sunshine for the plant in the canopy and shine, adopt PVC transparent thin film layer through thermal insulation pliable layer 2, PVC transparent thin film layer can transmit the aspect of below with light to realize transparent or semitransparent effect, simultaneously, PVC transparent thin film layer still has compliance and plasticity, can bend, stretch or warp as required, the practicality is stronger.

Working principle: through the setting of layer 4 adjusts luminance, play certain polymerization guide effect to the sunshine of irradiation, add the material that layer 4 all has transparent material of adjusting luminance, make the device's canopy membrane's light transmissivity stronger, through ageing resistance layer 3's setting, the ageing resistance of this canopy membrane has been improved, the life of this canopy membrane has been improved, through the setting of inlayer 1 and skin 5, the security when having improved this canopy membrane and using all carries out certain protection to the inside and outside of this canopy membrane, through the setting of thermal insulation flexible layer 2, effectually keep warm the vegetables in the big-arch shelter, make the vegetables grow better, adopt the transparent thin layer of PVC through thermal insulation flexible layer 2, the transparent thin layer of PVC can be with the light transmission to the aspect of below, thereby realize transparent or semitransparent effect, and possess crooked, tensile or warp effect.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A multilayer covered greenhouse film comprising an inner layer (1), characterized in that: the upper surface of inlayer (1) is provided with thermal insulation flexible layer (2), the upper surface of thermal insulation flexible layer (2) is provided with ageing resistance layer (3), the upper surface of ageing resistance layer (3) is provided with layer (4) of adjusting luminance, the upper surface of layer (4) of adjusting luminance is provided with skin (5).

2. A multi-layered covered greenhouse film according to claim 1, wherein: the inner layer (1) adopts a PE layer or an EVA layer or a PE and EVA mixed layer, and the thickness of the inner layer (1) is 70-150 mu m.

3. A multi-layered covered greenhouse film according to claim 1, wherein: the heat-insulating flexible layer (2) adopts a PVC transparent film layer, and the thickness of the heat-insulating flexible layer (2) is 11-40 mu m.

4. A multi-layered covered greenhouse film according to claim 1, wherein: the dimming layer (4) adopts a liquid crystal layer, and the thickness of the dimming layer (4) is 11-40 mu m.

5. A multi-layered covered greenhouse film according to claim 1, wherein: the anti-aging layer (3) is a polymer layer, and the thickness of the anti-aging layer (3) is 11-40 mu m.

6. A multi-layered covered greenhouse film according to claim 1, wherein: the outer layer (5) adopts a PE layer or a PVC layer, and the thickness of the outer layer (5) is 70-150 mu m.