Roof-out node of solar water pipe

By adopting a multi-layered structural design at the roof exit node of the solar water pipe, the thermal bridging problem when the solar water pipe passes through the roof is solved, achieving higher energy utilization efficiency and building energy-saving effect.

CN223922520UActive Publication Date: 2026-02-17田雨
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Patent Information

Application Number
CN202520322819.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-17
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

In ultra-low energy buildings, thermal bridges can easily form when solar water pipes pass through the roof, affecting energy efficiency and heat loss.

Method used

The multi-layer structure design includes an insulation layer, a PVC sleeve, a polyurethane foam layer, and a waterproof layer, forming a sealed joint structure to avoid the generation of thermal bridges.

Benefits of technology

This effectively avoids thermal bridging at the point where solar pipes pass through the roof, improves energy efficiency and the building's energy-saving performance, meets energy-saving standards, and reduces carbon emissions.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a solar water pipe out-of-roof node which comprises a roof wall body and a solar water pipe, the upper side and the lower side of the roof wall body are an outdoor side and an indoor side respectively, the solar water pipe penetrates through the roof wall body, and a heat preservation layer is arranged on the outer wall of the indoor portion of the solar water pipe. The portion, located outdoors, of the solar water pipe is sleeved with a first PVC sleeve, a fireproof blocking block is arranged at the gap between the bottom end of the first PVC sleeve and the solar water pipe, the portion, located outdoors, of the first PVC sleeve is sleeved with a second PVC sleeve, and the second PVC sleeve is as long as the linear section of the solar water pipe. The whole set of node is tightly sealed, generation of a solar pipeline penetrating through a roof enclosure structure heat bridge is effectively avoided, effective technical support is provided for solar energy utilization of ultra-low-energy-consumption buildings, the node meets the energy-saving requirements of relevant standards and specifications of building energy-saving design, meanwhile, carbon emission is reduced, and sustainable development of urban economy is driven.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of super low energy consumption building, especially relates to a solar water pipe roof exit node. BACKGROUND

[0002] The concept of super low energy consumption building is: adapting to the local climate characteristics and site conditions of building, reducing the heating, air conditioning and lighting demand of building by passive building design to the maximum extent, improving the energy equipment and system efficiency by active technical measures to the maximum extent, making full use of renewable energy, and providing comfortable indoor environment with the least energy consumption, and the building energy consumption level is reduced by more than 50% compared with the new building around 2015.

[0003] In the popularization process of super low energy consumption building, the utilization of renewable energy is a key link. Solar hot water is the main technical means of super low energy consumption renewable energy utilization due to its reasonable system design, low construction and maintenance cost, no secondary pollution and other advantages. However, in the utilization process, in order to balance the pressure in the pipeline, more pipelines need to pass through the roof to the roof, which causes the generation of thermal bridge of the envelope structure, therefore, how to well handle the node of the pipeline out of the roof in cold area and avoid the generation of thermal bridge is the key of super low energy consumption building design. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a solar water pipe roof exit node to solve the problems in the background art.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A solar water pipe roof exit node, comprising a roof wall and a solar water pipe, the upper and lower sides of the roof wall are outdoor and indoor respectively, the solar water pipe penetrates the roof wall, the outer wall of the part of the solar water pipe in the indoor is provided with a thermal insulation layer, the part of the solar water pipe in the outdoor is provided with a first PVC sleeve, a fireproof blocking piece is arranged at the gap between the bottom end of the first PVC sleeve and the solar water pipe, the outer side of the first PVC sleeve in the outdoor is provided with a second PVC sleeve, the second PVC sleeve is the same length as the straight section of the solar water pipe, a first polyurethane foaming layer is arranged at the gap between the second PVC sleeve and the first PVC sleeve, a fine stone concrete layer is arranged at the gap between the roof wall upper side and the first PVC sleeve penetrating the roof wall, a second polyurethane foaming layer is arranged on the upper side of the fine stone concrete layer, a waterproof layer is arranged on the upper side of the second polyurethane foaming layer and the outer side of the second PVC sleeve, and galvanized iron wire is tightly wound on the top of the waterproof layer of the second PVC sleeve.

[0007] Preferably, the fireproof blocking piece is rock wool.

[0008] Preferably, a waterproof vapor barrier is arranged between the top of the heat preservation layer and the bottom side of the roof wall body, and the waterproof vapor barrier is arranged around the first PVC sleeve.

[0009] Preferably, waterproof sealing blocks are arranged between the top end of the second PVC sleeve and the outer side wall of the first PVC sleeve and between the top end of the first PVC sleeve and the outer side wall of the solar water pipe.

[0010] Preferably, the waterproof sealing blocks are made of rubber.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The whole node is sealed tightly, the generation of the thermal bridge of the solar pipe penetrating the roof enclosure structure is effectively avoided, effective technical support is provided for the solar utilization of the ultra-low energy consumption building, the node meets the energy saving requirements of the related standards and specifications of building energy saving design, meanwhile, the energy utilization efficiency can be improved, the carbon emission is reduced, and the sustainable development of urban economy is driven.

[0013] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail in cooperation with the drawings. The specific implementation mode of the utility model is given in detail by the following embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the utility model, constitute a part of the present application, the schematic embodiments of the utility model and the description are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0015] Figure 1 A sectional structure schematic view of a solar water pipe roof node is provided for the utility model;

[0016] Figure 2 For Figure 1 A local enlarged structure schematic view of the utility model.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, waterproof sealing block; 2, first polyurethane foam layer; 3, galvanized iron wire; 4, second PVC sleeve; 5, waterproof layer; 6, second polyurethane foam layer; 7, fine stone concrete layer; 8, fireproof sealing block; 9, waterproof vapor barrier; 10, heat preservation layer; 11, roof wall body; 12, solar water pipe; 13, first PVC sleeve; 14, outdoor; 15, indoor. DETAILED DESCRIPTION

[0019] The principles and features of the present application are described below in conjunction with the accompanying drawings, which are presented only for the purpose of illustrating the present application and are not intended to limit the scope of the present application. In the following paragraphs, the present application is described in more detail by way of example with reference to the accompanying drawings. It should be noted that the drawings are in a very simplified form and all use non-precise proportions, only for the purpose of facilitating, clarifying and assisting in the description of the purposes of the embodiments of the present application.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] Please refer to Figures 1-2 In an embodiment of the present application, a solar water pipe roof node comprises a roof wall 11 and a solar water pipe 12, the upper and lower sides of the roof wall 11 are respectively outdoor 14 and indoor 15, the solar water pipe 12 penetrates the roof wall 11, the outer wall of the part of the solar water pipe 12 located in the indoor 15 is provided with a thermal insulation layer 10, the part of the solar water pipe 12 located in the outdoor 14 is sleeved with a first PVC sleeve 13, a fireproof blocking block 8 is arranged at the gap between the bottom end of the first PVC sleeve 13 and the outer side of the solar water pipe 12, the fireproof blocking block 8 is rock wool, a second PVC sleeve 4 is sleeved on the outer side of the first PVC sleeve 13 located in the outdoor 14, the second PVC sleeve 4 is the same length as the straight section of the solar water pipe 12, and a first polyurethane foaming layer 2 is arranged in the gap between the second PVC sleeve 4 and the first PVC sleeve 13;

[0022] A fine stone concrete layer 7 is arranged at the gap between the roof wall 11 and the first PVC sleeve 13, a second polyurethane foaming layer 6 is arranged on the upper side of the fine stone concrete layer 7, a waterproof layer 5 is arranged on the upper side of the second polyurethane foaming layer 6 and the outer side of the second PVC sleeve 4, the waterproof layer 5 is a waterproof film, galvanized iron wire 3 is tightly wound on the second PVC sleeve 4 by winding the top of the waterproof layer 5, and waterproof blocking blocks 1 are arranged between the top end of the second PVC sleeve 4 and the outer side wall of the first PVC sleeve 13 and between the top end of the first PVC sleeve 13 and the outer side wall of the solar water pipe 12, the waterproof blocking blocks 1 are made of rubber.

[0023] Specifically, a waterproof vapor barrier film 9 is arranged between the top of the thermal insulation layer 10 and the bottom side of the roof wall 11, and the waterproof vapor barrier film 9 is arranged on the circumference of the first PVC sleeve 13.

[0024] The working principle of the present application is:

[0025] The node sets heat preservation in the indoor 15 section of the solar water pipe 12, the solar water pipe 12 is sleeved with the first PVC sleeve pipe 13 after passing through the roof wall 11, so that the whole solar water pipe 12 is heat preserved and protected, and the first polyurethane foaming layer 2, the second PVC sleeve pipe 4, the waterproof layer 5 and the second polyurethane foaming layer 6 are further set outside the first PVC sleeve pipe 13, the sealing effect at the node is improved, water vapor is prevented from penetrating into the node to affect the heat preservation effect of the solar water pipe 12, the generation of the solar pipe heat bridge passing through the roof envelope structure is effectively avoided, and effective technical support is provided for solar utilization of the super-low energy consumption building.

[0026] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can easily implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolutions made by those skilled in the art within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.

Claims

1. A solar water pipe outroof node, comprising a roof wall (11) and a solar water pipe (12), characterized in that, The upper and lower sides of the roof wall (11) are outdoor (14) and indoor (15) respectively, the solar water pipe (12) penetrates the roof wall (11), the outer wall of the part of the solar water pipe (12) in the indoor (15) is provided with a heat preservation layer (10), the part of the solar water pipe (12) in the outdoor (14) is sleeved with a first PVC sleeve pipe (13), the gap between the bottom end of the first PVC sleeve pipe (13) and the solar water pipe (12) is provided with a fireproof blocking block (8), the outer side of the first PVC sleeve pipe (13) in the outdoor (14) is sleeved with a second PVC sleeve pipe (4), the second PVC sleeve pipe (4) is the same length as the straight section of the solar water pipe (12), the gap between the second PVC sleeve pipe (4) and the first PVC sleeve pipe (13) is provided with a first polyurethane foaming layer (2), the gap between the upper side of the roof wall (11) and the first PVC sleeve pipe (13) penetrating the roof wall (11) is provided with a fine stone concrete layer (7), the upper side of the fine stone concrete layer (7) is paved with a second polyurethane foaming layer (6), the outer side of the second PVC sleeve pipe (4) and the upper side of the second polyurethane foaming layer (6) are both provided with a waterproof layer (5), and the waterproof layer (5) on the second PVC sleeve pipe (4) is tightly wrapped with galvanized iron wire (3) at the top.

2. A solar water tube roof deck node according to claim 1, wherein, The fireproof blocking block (8) is rock wool.

3. A solar water tube roof deck node according to claim 1, wherein, The waterproof vapor barrier film (9) is arranged between the top of the heat preservation layer (10) and the bottom side of the roof wall (11), and the waterproof vapor barrier film (9) is arranged on the periphery of the first PVC sleeve pipe (13).

4. A solar water tube roof deck node according to claim 1, wherein, The waterproof blocking block (1) is made of rubber.

5. A solar water tube roof deck node according to claim 4, wherein, The waterproof blocking block (1) is made of rubber.