CN215113466U

CN215113466U - High heat preservation cavity glass subassembly for refrigerator of replacement electrical heating

Info

Publication number: CN215113466U
Application number: CN202120836515.0U
Authority: CN
Inventors: 杨敏; 沈飞华; 高娟红; 黄丙清; 刘杰
Original assignee: Zhejiang Sanxing New Materials Co ltd
Current assignee: Zhejiang Sanxing New Materials Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-10
Anticipated expiration: 2031-04-22

Abstract

The utility model provides a replace electrical heating's high heat preservation cavity glass subassembly for refrigerator, including multilayer glass, each layer glass is parallel and the interval sets up, and packing aerogel in the space between two adjacent glasses, the diameter of aerogel is less than 70nm, and the density of aerogel is not less than 3kg/m year, and the edge of cavity glass subassembly is done sealed the processing. The utility model discloses a nanometer yardstick granule, space and the continuous space network structure of aerogel reduce the thermal conductivity between the adjacent glass layer, realize that the low energy consumption keeps warm.

Description

High heat preservation cavity glass subassembly for refrigerator of replacement electrical heating

Technical Field

The utility model belongs to the technical field of the cavity glass technique and specifically relates to a replace electrical heating's high heat preservation cavity glass subassembly for refrigerator is related to.

Background

Because of the functional characteristics of low-temperature storage and the like of the refrigerator door body, the heat preservation performance cannot be met by using the configuration of offline LOW-W, therefore, in the prior art, the method is generally realized by adopting a process of adding heating wires in an electric heating glass interval for synchronous heating, but the energy consumption is greatly improved, the requirements of the existing household appliance glass on the energy consumption are increasingly improved, and on the basis, the electric heating glass door body is more and more difficult to meet the requirements of a high-end refrigerator door body.

In summary, the thermal insulation performance of the insulating glass assembly is a key factor for ensuring the thermal insulation performance of the refrigerator door, and how to ensure the thermal insulation performance of the insulating glass assembly on the premise of low energy consumption is one of the technical problems to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a replace electrical heating's high heat preservation cavity glass subassembly for refrigerator, through the nanometer scale granule of aerogel, space and continuous space network structure, reduce the thermal conductivity between the adjacent glass layer, realize that the low energy consumption keeps warm.

Based on above-mentioned purpose, the utility model provides a replace electrical heating's high heat preservation cavity glass subassembly for refrigerator, including multilayer glass, each layer glass is parallel and the interval sets up, fills gas gel in the space between the two adjacent glasses, the diameter of aerogel is less than 70nm, and the density of aerogel is not less than 3kg/m year, and the edge of cavity glass subassembly is done and is sealed the processing.

Preferably, the hollow glass component comprises two layers of glass, namely an outer layer of glass and an inner layer of glass, wherein the aerogel is filled between the outer layer of glass and the inner layer of glass.

Preferably, the hollow glass component comprises three layers of glass, namely outer layer glass, middle layer glass and inner layer glass, wherein aerogel is filled between the outer layer glass and the middle layer glass and between the middle layer glass and the inner layer glass.

Preferably, the aerogel is a silicon aerogel.

Preferably, a sealing component is arranged at the edge of the gap between two adjacent glasses.

Preferably, the sealing assembly comprises a support member disposed at an inner edge of the glass and a sealant disposed at an outer side of the support member.

Compared with the prior art, the beneficial effects of the utility model are that:

experiments prove that when the diameter of the material of the aerogel is less than 70 nanometers, the air molecules in the air holes lose the free flowing capacity and are relatively attached to the air hole walls, and the material is in an approximate vacuum state; meanwhile, because the air holes in the material are all nano-scale air holes and the material has extremely low volume density, the air hole walls in the material tend to be infinite for a plurality of days, and each air hole wall has the function of a heat shield plate, so that the effect close to infinite heat shield plates is generated, and the radiation heat transfer is reduced to be nearly the lowest limit; in addition, due to the existence of nearly infinite nanopores, heat flow can only be transferred along the gas pore walls when being transferred in the solid, and the nearly infinite gas pore walls form a nearly infinite path effect, so that the heat transfer capacity of the solid is reduced to be close to the lowest limit; therefore, through the nano-scale particles, the gaps and the continuous space network structure of the aerogel, the thermal conductivity between adjacent glass layers is reduced, and low-energy-consumption heat preservation is realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of a partial structure of an insulating glass unit according to an embodiment of the present invention;

fig. 2 is the embodiment of the present invention provides a schematic view of a partial structure of a refrigerator door.

Wherein, 1, a hollow glass component; 2. a door frame;

11. outer layer glass; 12. middle layer glass; 13. inner layer glass; 14. an aerogel; 15. a support member; 16. and (7) sealing the glue.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, 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 application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The embodiment provides a high heat preservation hollow glass assembly 1 for refrigerator for replacing electric heating, as shown in fig. 1, including multiple layers of glass, each layer of glass is parallel and set up at interval, and fill aerogel 14 in the space between two adjacent glasses, aerogel 14's diameter is less than 70nm, and aerogel 14's density is not less than 3kg/m and carries out sealing process at the edge of hollow glass assembly 1. Experiments prove that when the diameter of the material of the aerogel 14 is smaller than 70 nanometers, the air molecules in the pores lose the free flowing capacity and are relatively attached to the pore walls, and the material is in an approximate vacuum state; meanwhile, because the air holes in the material are all nano-scale air holes and the material has extremely low volume density, the air hole walls in the material tend to be infinite for a plurality of days, and each air hole wall has the function of a heat shield plate, so that the effect close to infinite heat shield plates is generated, and the radiation heat transfer is reduced to be nearly the lowest limit; in addition, due to the existence of nearly infinite nanopores, heat flow can only be transferred along the pore walls when the heat flow is transferred in the solid, and the nearly infinite pore walls form a nearly infinite path effect, so that the heat transfer capacity of the solid is reduced to be close to the minimum limit.

In a preferred embodiment, the insulating glass unit 1 comprises two layers of glass, namely an outer layer of glass 11 and an inner layer of glass 13, wherein the aerogel 14 is filled between the outer layer of glass 11 and the inner layer of glass 13.

As a preferred embodiment, the insulating glass unit 1 comprises three layers of glass, namely an outer layer glass 11, a middle layer glass 12 and an inner layer glass 13, wherein aerogel 14 is filled between the outer layer glass 11 and the middle layer glass 12 and between the middle layer glass 12 and the inner layer glass 13.

In a preferred embodiment, aerogel 14 is a silica aerogel 14.

In a preferred embodiment, a sealing assembly is disposed at the edge of the gap between two adjacent glasses.

In a preferred embodiment, the sealing assembly includes a support member 15 disposed at an inner edge of the glass and a sealant 16 disposed at an outer side of the support member 15.

The present embodiment further provides a refrigerator door, as shown in fig. 2, the door includes a door frame 2 and a hollow glass assembly 1, the hollow glass assembly 1 is disposed inside the door frame 2, the hollow glass assembly 1 includes multiple layers of glass, each layer of glass is parallel and spaced apart from each other, and the refrigerator door is characterized in that a gap between two adjacent layers of glass is filled with aerogel 14, a diameter of the aerogel 14 is less than 70nm, a density of the aerogel 14 is not less than 3kg/m and a method for manufacturing a pillar by performing a sealing process on an edge of the hollow glass assembly 1.

In a preferred embodiment, aerogel 14 is a silica aerogel 14.

As a preferred embodiment, the edge of the outer glass 11 of the insulating glass unit 1 extends outward and covers the front surface of the door frame 2 to improve the integrity and the aesthetic appearance of the outer surface of the refrigerator door.

To sum up, the utility model discloses a nano-scale granule, space and the continuous space network structure of aerogel reduce the thermal conductivity between the adjacent glass layer, realize that the low energy consumption keeps warm.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The utility model provides a replace electrical heating's high heat preservation cavity glass subassembly for refrigerator, includes multiple layer glass, and each layer glass is parallel and the interval sets up, its characterized in that, fills aerogel in the space between two adjacent glasses, the diameter of aerogel is less than 70nm, and the density of aerogel is not less than 3kg/m year, and the edge of cavity glass subassembly is sealed and is handled.

2. The insulating glass unit for a high-temperature refrigerator as claimed in claim 1, wherein the insulating glass unit comprises two layers of glass, an outer layer of glass and an inner layer of glass, wherein the aerogel is filled between the outer layer of glass and the inner layer of glass.

3. The insulating glass unit as claimed in claim 1, wherein the insulating glass unit comprises three layers of glass, namely an outer layer glass, a middle layer glass and an inner layer glass, wherein aerogel is filled between the outer layer glass and the middle layer glass and between the middle layer glass and the inner layer glass.

4. The insulating glass unit for a high-temperature refrigerator as claimed in claim 1, wherein the aerogel is silica aerogel.

5. The insulating glass unit for high-temperature refrigerator as claimed in claim 1, wherein a sealing unit is disposed at the edge of the gap between two adjacent glass units.

6. The insulating glass unit as claimed in claim 5, wherein the sealing unit comprises a support member disposed at an inner edge of the glass and a sealant disposed at an outer side of the support member.