WO2018090739A1

WO2018090739A1 - Gas film

Info

Publication number: WO2018090739A1
Application number: PCT/CN2017/103908
Authority: WO
Inventors: 张辉; 常铁成; 薛飞龙; 肖龙
Original assignee: 深圳市博德维环境技术股份有限公司
Priority date: 2016-11-17
Filing date: 2017-09-28
Publication date: 2018-05-24
Also published as: CN106436906A

Abstract

Disclosed is a gas film (10), comprising a plurality of gas film units (100) and a connector (200). Each gas film unit (100) comprises an outer film (110), an inner film (120) and a thermal insulating layer (130). The thermal insulating layer (130) comprises a first film layer (131), a second film layer (132) and a thermal insulating material layer (133). The first film layer (131) and the second film layer (132) are connected at an edge to form a vacuum receiving chamber for containing the thermal insulating material layer (133). The gas film (10) has a good thermal insulation performance.

Description

Air film

Technical field

The invention relates to the technical field of air film construction, in particular to a gas film.

Background technique

The gas film building is made of a special building membrane, which is inflated into the air film building by a fan, so that a pressure difference is formed inside and outside the film building to maintain a stable shape. Air film construction is increasingly used in all walks of life for its low cost, speed, ease of assembly and disassembly, and light weight. The gas film is the main body of the gas film building, which is usually a two-layer film structure composed of an inner film and an outer film. However, in some special applications such as cold storage, which are more stringent in temperature requirements, the conventional gas film cannot meet the needs of heat preservation because of poor insulation performance.

Summary of the invention

Based on this, it is necessary to provide a gas film with better heat preservation performance.

A gas film comprising a gas film unit and a connecting member, wherein the gas film unit is plural, and any two adjacent gas film units are connected by the connecting member, and the gas film unit comprises:

Outer membrane

The inner membrane is spaced from the outer membrane; and

An insulating layer is disposed between the outer film and the inner film, the heat insulating layer includes a first film layer, a second film layer and a heat insulating material layer, wherein the first film layer is disposed adjacent to the outer film, The second film layer is disposed adjacent to the inner film, the first film layer is connected to the edge of the second film layer to form a closed vacuum receiving cavity, and the insulating material layer is accommodated in the vacuum receiving Inside the cavity.

In one embodiment, the layer of insulating material is a layer of cellular urethane foam insulation.

In one embodiment, the layer of insulating material has a thickness of 5 to 10 mm.

In one embodiment, the insulating material layer comprises a plurality of insulating material layer units, the insulating material layer unit has a rectangular shape, and an area of not more than 1 m ² between adjacent two of the insulating material layer units The first film layer is connected to the second film layer.

In one embodiment, two of the two adjacent gas film units are connected, two of the inner membranes are connected, two of the insulation layers are connected, and the connecting member comprises a first connecting piece and a second connecting piece, wherein the first connecting piece is connected to the outer film of any one of the air film units and the first film layer, and the second connecting piece and any one of the gas The inner membrane of the membrane unit and the second membrane layer are joined.

In one embodiment, the edge of the first film layer is in contact with the edge of the second film layer to form a joint, and the two connecting portions of the two adjacent heat insulating layers are Fit together.

In one embodiment, of the two adjacent gas film units, one end of the first connecting piece is connected to the outer film of one of the air film units, and the other end of the first connecting piece is The other of the air film units is connected.

In one embodiment, the two ends of the first connecting piece are respectively bent to form a first bent portion and a second bent portion, and in the two adjacent air film units, the first bending The portion is in contact with the outer film of one of the air film units, and the second bent portion is in contact with the connecting portion of one of the air film units.

In one embodiment, of the two adjacent gas film units, one end of the second connecting piece is connected to the inner film of one of the air film units, and the other end of the second connecting piece is In the other of the gas film units, the connecting portions are connected.

In one embodiment, the two ends of the second connecting piece are respectively bent to form a third bending portion and a fourth bending portion, and in the two adjacent air film units, the third bending portion The portion is in contact with the inner membrane of one of the air film units, and the fourth bent portion is in contact with the connecting portion of one of the air film units.

In the above gas film, a heat insulating material layer is disposed between the inner film and the outer film, and the heat insulating material layer is further sealed in the vacuum receiving cavity formed between the first film layer and the second film layer, thereby making the first The film layer, the second film layer, the heat insulating material layer and the vacuum receiving cavity together form a good heat insulating structure, so that the gas film has good heat insulating performance, so that the gas film can be used in an environment with special requirements for heat preservation performance such as a cold storage. .

DRAWINGS

1 is a schematic view showing the structure of a gas film according to an embodiment of the present invention;

Figure 2 is a cross-sectional view of another perspective view of the insulating layer in the gas film structure shown in Figure 1.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be more fully understood.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or. The terms "vertical", "horizontal", "left", "right", and the like, as used herein, are for the purpose of illustration and are not intended to be the only embodiment.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1, a gas film 10 according to an embodiment of the present invention includes a gas film unit 100 and a connecting member 200. There are a plurality of gas film units 100. Any two adjacent gas film units 100 are connected by a joint member 200 to form a gas film 10 having an area larger than that of the gas film unit 100.

The gas film unit 100 includes an outer film 110, an inner film 120, and an insulating layer 130. The outer film 110 and the inner film 120 are both made of a dense, dense architectural film. The inner membrane 120 and the outer membrane 110 are spaced apart from each other. The heat insulating layer 130 is disposed between the outer film 110 and the inner film 120 to reduce heat exchange between the inner film 120 and the outer film 110, thereby providing a heat insulating effect.

The insulating layer 130 includes a first film layer 131, a second film layer 132, and a heat insulating material layer 133. The first film layer 131 is disposed adjacent to the outer film 110, and the second film layer 132 is disposed adjacent to the inner film 120. The first film layer 131 is connected to the edge of the second film layer 132 to form a sealed vacuum receiving cavity (not shown). The layer of insulating material 133 is received in the vacuum receiving chamber. It should be noted that the vacuum receiving chamber is a closed vacuum chamber.

An insulating material layer 133 is disposed between the inner film 120 and the outer film 110, and the insulating material layer 133 is further sealed between the first film layer 131 and the second film layer 132, thereby making the first film layer 131 and the second layer The film layer 132 and the heat insulating material layer 133 together with the vacuum receiving cavity form a good heat insulating structure, so that the gas film 10 has good heat insulating performance, so that the gas film 10 can be used in an environment having special requirements for heat insulating properties such as a cold storage.

In this embodiment, the first film layer 131 and the second film layer 132 are made of the same material as the outer film 110 and the inner film 120. The insulating material layer 133 is a honeycomb-shaped polyurethane rigid foam insulating material layer. The polyurethane rigid foam insulation material layer has a certain hardness, so that after the vacuum is applied, the voids inside the polyurethane rigid foam insulation material layer are not crushed, thereby achieving a better heat insulation effect.

1 and 2, specifically, in the present embodiment, the thickness of the heat insulating material layer 133 is 5 to 10 mm. Moreover, the insulating material layer 133 includes a plurality of honeycomb-shaped insulating material layer units 133a. The heat insulating material layer unit 133a has a rectangular shape and an area of not more than 1 m ² . Between adjacent two insulation material layer units 133a, the first film layer 131 is connected to the second film layer 132 to divide the vacuum receiving cavity into a plurality of accommodating chambers, thereby confining the heat insulating material layer unit 133a The chamber is housed to prevent the plurality of insulating material layer units 133a from moving and overlapping between the first film layer 131 and the second film layer 132.

It should be noted that, in this embodiment, between the two adjacent insulating material layer units 133a, the first film layer 131 and the second film layer 132 are connected by spot welding, and the plurality of accommodating chambers are divided. The vacuum accommodating chambers between the first film layer 131 and the second film layer 132 can be evacuated by being evacuated.

In other embodiments, between the two adjacent insulating material layer units 133a, the first film layer 131 and the second film layer 132 may also be connected by continuous welding, and the divided plurality of accommodating chambers are not When connected, at this time, it is necessary to separately evacuate a plurality of accommodating chambers.

Specifically, in the embodiment, when two adjacent gas film units 100 are connected, the outer membranes 110 of the two gas membrane units 100 are connected, and the inner membranes 120 of the two gas membrane units 100 are connected, and two gas membrane units are connected. The insulating layer 130 of 100 is connected. The connector 200 includes a first connecting piece 210 and a second connecting piece 220. The first connecting piece 210 is disposed between the two insulating layers 130 and the two outer films 110, and is connected to the outer film 110 and the first film layer 131 of any of the air film units 100. The second connecting piece 220 is disposed between the two insulating layers 130 and the two inner films 120, and is connected to the inner film 120 and the second film layer 132 of any of the air film units 100.

Specifically, the two outer films 110 of the two air film units 100 are welded together by overlapping. The two inner films 120 of the two air film units 100 are welded together by overlapping.

The edge of the first film layer 131 is adhered to the edge of the second film layer 132 to form the connection portion 134. The two connecting portions 134 of the two adjacent insulating layers 130 are attached, and the two connecting portions 134 are connected by welding.

It should be noted that in other embodiments, the two inner films 120 or the two heat insulating layers 130 are not limited to being welded, and may be connected by other means such as bonding.

Specifically, in the two adjacent air film units 100, one end of the first connecting piece 210 is connected to the outer film 110 of one air film unit 100, and the other end of the first connecting piece 210 is connected with another air film unit 100. The part 134 is connected. That is, the outer film 110 and the connecting portion 134 connected to the two ends of the first connecting piece 210 belong to the two air film units 100 respectively, and at this time, the outer film 110 of the two air film units 100 and the heat insulating layer 130 form a stable connection. .

Both ends of the first connecting piece 210 are bent to form a first bent portion 211 and a second bent portion 212, respectively. In the adjacent two gas film units 100, the first bent portion 211 is in contact with the outer film 110 of one air film unit 100, and the second bent portion 212 is connected to the connecting portion 134 in the other air film unit 100. The first bent portion 211 and the outer bent film 211 and the second bent portion 212 and the connecting portion 134 are respectively surface-surface-connected, and the contact between the first connecting piece 210 and the outer film 110 and the connecting portion 134 can be increased. Area to improve connection stability. Moreover, the thickness of the joint of the two gas film units 100 is also increased, and the heat insulating property of the joint is improved.

It should be noted that in other embodiments, the outer film 110 and the connecting portion 134 connected to the two ends of the first connecting piece 210 may also belong to the same air film unit 100. At this time, the outer film 110 and the heat insulating layer 130 of one air film unit 100 are simultaneously disposed between the outer film 110 of the other air film unit 100 and the heat insulating layer 130. At this time, the first bent portion 211 and the second bent portion 212 may be connected to the outer film 110 and the connecting portion 134 of the same film unit 100, respectively.

Specifically, in the two adjacent air film units 100, one end of the second connecting piece 220 is connected to the inner film 120 of one air film unit 100, and the other end of the second connecting piece 220 and the insulating layer of the other air film unit 100. The connecting portion 134 of the 130 is connected. That is, the inner film 120 and the connecting portion 134 connected to the two ends of the second connecting piece 220 belong to the two air film units 100 respectively. At this time, the inner film 120 of the two air film units 100 and the heat insulating film A solid connection is formed between the layers 130.

Both ends of the second connecting piece 220 are bent to form a third bent portion 221 and a fourth bent portion 222, respectively. In the adjacent two air film units 100, the third bent portion 221 is in contact with the inner film 120 of one air film unit 100, and the fourth bent portion 222 is connected to the connecting portion 134 in the other air film unit 100. The third bending portion 221 and the inner bending film 221 and the fourth bending portion 222 are connected to the connecting portion 134 respectively, which can not only increase the contact between the second connecting piece 220 and the inner film 120 and the connecting portion 134. Area to improve connection stability. Moreover, the thickness of the joint of the two gas film units 100 is also increased, and the heat insulating property of the joint is improved.

It should be noted that in other embodiments, the inner film 120 and the connecting portion 134 connected to the two ends of the second connecting piece 220 may also belong to the same air film unit 100. At this time, the inner film 120 and the heat insulating layer 130 of one gas film unit 100 are simultaneously disposed between the inner film 120 of the other gas film unit 100 and the heat insulating layer 130. At this time, the third bent portion 221 and the fourth bent portion 222 may be connected to the inner film 120 and the connecting portion 134 of the same film unit 100, respectively.

In addition, it should be noted that when assembling the gas film 10, a plurality of heat insulating material layer units 133a are respectively disposed between the first film layer 131 and the second film layer 132, and adjacent two heat insulating layers. Between the material layer units 133a, the first film layer 131 and the second film layer 132 are spot-welded, and then the edges of the first film layer 131 and the second film layer 132 are sealed and welded, and then vacuumed to form an insulation. The layer 130 is further disposed between the outer film 110 and the inner film 120, and then the two heat insulating layers 130 of the two air film units 100 are connected, and then one side of the connecting portion 134 of the two heat insulating layers 130 is connected. The first connecting piece 210 is connected to one of the two outer films 110, and the other side of the connecting portion 134 is connected to one of the two inner films 120 through the second connecting piece 220, and then two outer sides are connected The membranes 110 are connected, the two inner membranes 120 are connected, and so on, thereby connecting the plurality of membrane units 100.

In the gas film 10, a heat insulating material layer 133 is disposed between the inner film 120 and the outer film 110, and the insulating material layer 133 is further sealed between the first film layer 131 and the second film layer 132. In the cavity, the first film layer 131, the second film layer 132, the heat insulating material layer 133 and the vacuum receiving cavity together form a good heat insulating structure, so that the gas film 10 has better heat insulating performance, so that the gas film 10 can be Cold storage and other environments are used in environments where special insulation performance is required.

The technical features of the above-mentioned embodiments may be combined in any combination, so that the description is concise, not All possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope of the present specification.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A gas film, comprising: a gas film unit and a connecting member, wherein the gas film unit is plural, and any two adjacent gas film units are connected by the connecting member, the gas film The unit includes:

Outer membrane

The inner membrane is spaced from the outer membrane; and

An insulating layer is disposed between the outer film and the inner film, the heat insulating layer includes a first film layer, a second film layer and a heat insulating material layer, wherein the first film layer is disposed adjacent to the outer film, The second film layer is disposed adjacent to the inner film, the first film layer is connected to the edge of the second film layer to form a closed vacuum receiving cavity, and the insulating material layer is accommodated in the vacuum receiving Inside the cavity.
The gas film according to claim 1, wherein the heat insulating material layer is a honeycomb polyurethane rigid foam insulating material layer.
The gas film according to claim 1, wherein the heat insulating material layer has a thickness of 5 to 10 mm.
The gas film according to claim 1, wherein the heat insulating material layer comprises a plurality of heat insulating material layer units, the heat insulating material layer unit has a rectangular shape, and an area of not more than 1 m 2 in two adjacent places. Between the insulation material layer units, the first film layer is connected to the second film layer.
The gas film according to claim 1, wherein two of said two outer membranes are connected, two of said inner membranes are connected, and said two insulating layers are connected Connecting, the connecting member includes a first connecting piece and a second connecting piece, wherein the first connecting piece is connected to the outer film of any one of the air film units and the first film layer, and the second connection The sheet is joined to the inner film and the second film layer of any of the gas film units.
The gas film according to claim 5, wherein an edge of the first film layer is adhered to an edge of the second film layer to form a joint portion adjacent to the two heat insulating layers The two connecting portions are attached.
The gas film according to claim 6, wherein, in the two adjacent gas film units, one end of the first connecting piece is connected to the outer film of one of the gas film units, One piece The other end is connected to the connecting portion in the other of the air film units.
The gas film according to claim 6, wherein both ends of the first connecting piece are respectively bent to form a first bent portion and a second bent portion, and in two adjacent gas film units The first bent portion is in contact with the outer film of one of the air film units, and the second bent portion is in contact with the connecting portion of one of the air film units.
The gas film according to claim 6, wherein one end of the second connecting piece is connected to the inner film of one of the air film units, the first The other end of the two connecting sheets is connected to the connecting portion in the other of the air film units.
The gas film according to claim 6, wherein both ends of the second connecting piece are respectively bent to form a third bent portion and a fourth bent portion, in the adjacent two of the gas film units The third bent portion is in contact with the inner film of one of the air film units, and the fourth bent portion is in contact with the connecting portion of one of the air film units.