A combined broken bridge keel and panel mounting node

Abstract

This application relates to the technical field of building curtain wall installation, and in particular to a combined thermally broken keel and panel installation node. Specifically, it discloses a combined thermally broken keel, including fixed external metal connectors and a thermally insulating main connector. The external metal connectors are used to fix the building curtain wall panel and / or metal roof panel, and the thermally insulating main connector is used to fix it to the building structure. It also discloses a panel installation node, including the aforementioned combined thermally broken keel, which is vertically fixed to the building structure. A fixing component connects the thermally insulating main connector to the building structure. An installation component connects the external metal connector to the building envelope panel. This application can effectively improve the thermal resistance coefficient of the thermally broken keel and reduce the thermal bridging effect formed by the load-bearing skeleton of the building envelope. For projects such as indoor ski resorts, photovoltaic curtain walls, and ultra-low energy buildings, the frequency and cost of operation and maintenance are effectively reduced, increasing the project's service life.

Description

Technical Field

[0001] This application relates to the technical field of building curtain wall installation, and in particular to a combined thermal break keel and panel installation node. Background Technology

[0002] Building curtain walls are widely used as an external wall cladding system in my country. They have advantages such as aesthetics, safety, energy saving, and convenient construction, and are therefore widely used in public building projects.

[0003] Currently, the framework of building envelope systems such as curtain walls and roofs generally uses the same type of load-bearing keel, with steel and aluminum alloy metal frames being the most common. Since the metal frame is directly connected to the metal fasteners and bolts of the curtain wall panel, and the metal frame has relatively good heat transfer properties, it can lead to a significant thermal bridging effect in actual use. This thermal bridging effect has a significant impact on the energy-saving effect of the building envelope system and results in higher subsequent maintenance costs.

[0004] Especially for some special projects, such as indoor ski resorts, photovoltaic curtain walls, and ultra-low energy consumption buildings, there are higher requirements for the thermal resistance coefficient of the load-bearing frame. Due to the special nature of the application scenarios, traditional metal load-bearing frames will produce obvious thermal bridging effects, affecting the service life of the project and increasing the frequency and cost of operation and maintenance. Summary of the Invention

[0005] The purpose of this application is to provide a combined thermal break keel and panel installation node, which effectively improves the thermal resistance coefficient of the thermal break keel and reduces the thermal bridging effect formed by the structural frame of the building envelope. For projects such as indoor ski resorts, photovoltaic curtain walls, and ultra-low energy consumption buildings, the frequency and cost of operation and maintenance are effectively reduced, and the service life of the project is increased.

[0006] Firstly, the combined thermal break keel provided in this application adopts the following technical solution:

[0007] A combined thermal break keel includes a metal external connector and a heat-insulating main connector with thermal insulation effect. The metal external connector is used to fix the building curtain wall panel and / or metal roof panel, and the heat-insulating main connector is used to fix to the building body. The metal external connector is fixed to the heat-insulating main connector, and the metal external connector is indirectly fixed to the building body through the heat-insulating main connector.

[0008] By adopting the above technical solutions, the thermal break keel adopts a modular design. The metal external connectors are not directly connected to the building body, but are indirectly set on the building body through the heat-insulating main connectors. This effectively improves the thermal resistance coefficient of the thermal break keel, giving the thermal break keel as a whole a good heat insulation effect. It reduces the cold and heat bridge effect of the building envelope system. For projects such as indoor ski resorts, photovoltaic curtain walls, and ultra-low energy consumption buildings, the frequency and cost of operation and maintenance are effectively reduced, and the service life of the project is increased.

[0009] Optionally, the heat-insulating main body connector includes a heat-insulating cylinder and a clamp fixed to the side wall of the heat-insulating cylinder, wherein an insertion and fixing groove for inserting and fixing a metal external connector is formed between the clamp and the outer wall of the heat-insulating cylinder.

[0010] By adopting the above technical solution, the clamping plate and the outer wall of the heat-insulating cylinder are used to form an insertion and fixing groove, which facilitates the insertion of the metal external connector to connect and fix the heat-insulating main body connector to the metal external connector.

[0011] Optionally, the metal outer connector is provided with a plug-in plate, which is used to plug into and fix it into the plug-in fixing groove to lock and fix the metal outer connector to the heat-insulating body connector.

[0012] By adopting the above technical solution, the plug-in plate and the plug-in fixing groove are used to facilitate the locking and fixing of the metal external connector and the heat-insulating body connector.

[0013] Optionally, a first serrated protrusion is formed on the side wall of the plug plate, and a second serrated protrusion is formed on the side wall of the clamp plate near the heat-insulating cylinder to cooperate with the first serrated protrusion.

[0014] By adopting the above technical solution, the first serrated protrusion and the second serrated protrusion cooperate to achieve a high connection strength between the metal outer connector and the heat-insulating main body connector, making the thermal break keel more solid and stable during use.

[0015] Optionally, the metal external connector includes a first component and a second component with identical structures, the plug plate extends and is formed at both ends of the first component and the second component, and the first component and the second component are respectively fixed on two opposite outer walls of the heat-insulating cylinder.

[0016] By adopting the above technical solution, the first component and the second component are respectively installed on the two opposite side walls of the heat-insulating cylinder. On the one hand, the overall structural strength of the thermal break keel is increased. On the other hand, the arrangement on both sides can be adapted to different usage environments, such as when the metal external connectors on both sides need to be connected with metal adapters, bolts, etc.

[0017] Optionally, the heat-insulating cylinder body is provided with multiple reinforcing ribs, which are distributed vertically in both directions.

[0018] By adopting the above technical solution, the reinforcing ribs improve the overall structural strength of the heat-insulating cylinder.

[0019] Optionally, it also includes a ferrule connector for splicing adjacent heat-insulating body connectors, wherein the ferrule connector is inserted into the heat-insulating body connector.

[0020] By adopting the above technical solution, the insert connector can splice adjacent heat-insulating main connectors to increase the length of the thermal break keel, which can be applied to the installation of building curtain wall panels and metal roof panel structures in high-rise buildings.

[0021] Optionally, the heat-insulating main connector is made of rigid polyvinyl chloride-based inorganic material.

[0022] By adopting the above technical solutions, rigid polyvinyl chloride inorganic materials have advantages such as high hardness, flame retardancy, good chemical resistance, and excellent mechanical properties.

[0023] Secondly, the panel mounting node provided in this application adopts the following technical solution:

[0024] A panel mounting node includes the aforementioned combined thermal break keel, which is vertically fixed to the building body. A fixing component is connected between the thermal insulation main body connector and the building body, and the fixing component passes through the thermal insulation main body connector and is fastened to the building body. An installation component is connected between the metal external connector and the building envelope system panel.

[0025] By adopting the above technical solution, the thermal insulation main connector and the metal external connector are made of different materials, manufactured separately, and then assembled in the factory using a unique plug-in method, significantly improving production efficiency. In engineering applications, the plug-in connector ensures a safe and reliable connection between two standard-length keels. Using combined thermally broken keels for the installation of building curtain wall panels and metal roof panels offers convenient construction techniques, high construction efficiency, and ensures the structural safety of the combined thermally broken keels, effectively reducing thermal bridging effects and lowering subsequent maintenance costs.

[0026] Optionally, the fixing assembly includes two connecting angle steels, a first connector and a second connector, wherein the first connector is used to fix the heat-insulating main connector to one end of the connecting angle steels, and the second connector fixes the other end of the connecting angle steels to the building structure.

[0027] And / or:

[0028] The installation assembly includes a fixing clip and a third connector. The fixing clip is used to connect to the building envelope system panel, and the third connector is used to install the fixing clip on the metal external connector.

[0029] By adopting the above technical solution, the fixing components pass through the heat-insulating main connector and are fastened to the building structure; at the same time, the installation components are used to connect the metal external connectors to the building envelope system panels, making construction quick and convenient and with high construction efficiency.

[0030] In summary, this application includes at least one of the following beneficial technical effects:

[0031] 1. The thermal break keel adopts a modular design. The metal external connectors are not directly connected to the main building structure, but are indirectly installed on the main building structure through the thermal insulation main connectors. This effectively improves the thermal resistance coefficient of the thermal break keel, giving the thermal break keel a good overall thermal insulation effect. It reduces the thermal bridging effect of the building envelope system. For projects such as indoor ski resorts, photovoltaic curtain walls, and ultra-low energy consumption buildings, the frequency and cost of operation and maintenance are effectively reduced, and the service life of the project is increased.

[0032] 2. By setting the insert connector, the insert connector can splice adjacent heat-insulating main body connectors to increase the length of the thermal break keel, which can be used for the installation of building curtain wall panels and metal roof panel structures in high-rise buildings.

[0033] 3. The fixing components are used to pass through the heat-insulating main connector and fasten it to the building structure; at the same time, the installation components are used to connect the metal external connectors to the building envelope system panels, which makes construction quick and convenient and has high construction efficiency. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the assembled structure of the metal external connector and the heat-insulating main body connector in the embodiments of this application;

[0035] Figure 2 This is a cross-sectional view of the assembled metal external connector and heat-insulating main body connector in the embodiments of this application;

[0036] Figure 3 This is a schematic diagram of the structure of the heat-insulating main body connector in the embodiments of this application;

[0037] Figure 4 This is a cross-sectional view of the heat-insulating main body connector in the embodiments of this application;

[0038] Figure 5 This is a schematic diagram of the structure of the metal external connector in the embodiments of this application;

[0039] Figure 6 This is a cross-sectional view of the metal external connector in the embodiments of this application;

[0040] Figure 7 This is a schematic diagram of the ferrule connector in the embodiments of this application;

[0041] Figure 8This is a cross-sectional view of the ferrule connector in the embodiments of this application;

[0042] Figure 9 This is a vertical section diagram of the panel installation node in an embodiment of this application;

[0043] Figure 10 This is a cross-sectional view of the panel installation node in an embodiment of this application.

[0044] In the figure, 1 is the metal external connector; 11 is the first component; 111 is the first serrated protrusion; 12 is the second component; 2 is the heat-insulating main body connector; 21 is the heat-insulating cylinder; 211 is the reinforcing rib; 212 is the insertion channel; 22 is the clamping plate; 221 is the second serrated protrusion; 3 is the insert connector; 31 is the partition plate; 32 is the insertion post; 4 is the insertion fixing groove; 5 is the insertion plate; 6 is the fixing component; 61 is the connecting angle steel; 62 is the first connector; 63 is the second connector; 7 is the fixing plate; 8 is the mounting component; 81 is the fixing clip; 82 is the third connector. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1 -Appendix Figure 10 This application will be described in further detail below.

[0046] Example:

[0047] A type of composite thermal break keel, referring to Figure 1 and Figure 2 The system includes an external metal connector 1 and a thermally insulating main connector 2. The external metal connector 1 is directly connected to metal hangers, screws, etc., of the building envelope panel section for fixing the building curtain wall panels, metal roof panels, etc. The thermally insulating main connector 2 is connected to metal adapters, bolts, etc., for fixing to the main building structure. The external metal connector 1 and the thermally insulating main connector 2 are fixedly fitted together to ensure the connection stability between the main structure and the building curtain wall panels and metal roof panels. By using the combination of the external metal connector 1 and the thermally insulating main connector 2, the thermally broken keel has a good thermal insulation effect, reducing the thermal bridging effect of the building envelope system.

[0048] Reference Figure 1 and Figure 5In practical applications, for buildings with lower building heights, the lengths of the metal external connectors 1 and the thermal insulation main connectors 2 can be customized directly according to the construction height of the building curtain wall panels or metal roof panels. However, for high-rise buildings, multiple thermal break keels need to be combined using a splicing method. To facilitate the splicing of the keels, the combined thermal break keel disclosed in this application embodiment also includes a core connector 3, used to insert into the end of the thermal insulation main connector 2, combining adjacent fixed metal external connectors 1 and thermal insulation main connector 2 into a whole, facilitating the installation of building curtain wall panels and metal roof panels.

[0049] The following section provides a detailed explanation of the specific structures of the heat-insulating main connector 2, the metal outer connector 1, and the core connector 3, as well as the connection relationships among the three.

[0050] Reference Figure 3 and Figure 4 The heat-insulating main connector 2 is made of rigid polyvinyl chloride-based organic material and has an overall columnar structure. Specifically, the heat-insulating main connector 2 includes a heat-insulating cylinder 21 and clamping plates 22 formed on the side wall of the heat-insulating cylinder 21. The heat-insulating cylinder 21 is a rectangular cuboid structure with a rectangular cross-section. There are two clamping plates 22, which are located on two opposite outer walls of the heat-insulating cylinder 21.

[0051] Furthermore, the heat-insulating main connector 2 can be customized using an extrusion process during production. The connection between the clamping plate 22 and the heat-insulating cylinder 21 is located in the middle of their outer walls, which creates an insertion and fixing groove 4 between the clamping plate 22 and the outer wall of the heat-insulating cylinder 21. This insertion and fixing groove 4 is used for the insertion of the metal external connector 1 to fix the metal external connector 1 to the heat-insulating main connector 2. Preferably, each heat-insulating main connector 2 has four insertion and fixing grooves 4, with two insertion and fixing grooves 4 formed between each clamping plate 22 and the heat-insulating cylinder 21, separated by the connection point. It can be understood that the connection point between the clamping plate 22 and the heat-insulating cylinder 21 is the bottom of the insertion and fixing groove 4.

[0052] Reference Figure 5 and Figure 6 The metal external connector 1 can be made of a suitable material according to the actual construction requirements. In this embodiment, the metal external connector 1 is made of aluminum alloy. Specifically, the end of the metal external connector 1 is formed with a plug plate 5. The plug plate 5 is used to cooperate with the plug fixing groove 4 formed between the heat-insulating cylinder 21 and the clamping plate 22 to lock and fix the metal external connector 1 to the heat-insulating main body connector 2.

[0053] The quantity and shape of the external metal connector 1 can be designed and manufactured according to actual construction requirements. The external metal connector 1 needs to be able to be connected and fixed to the heat-insulating cylinder 21 using the plug-in plate 5, and also needs to be able to be directly connected to the metal hangers, screws, etc. of the building envelope system panel. In specific installation, the external metal connector 1 can be installed on the side of the heat-insulating main connector 2 away from the main building structure, which facilitates the direct connection of metal hangers, screws, etc.

[0054] In this embodiment, the metal external connector 1 includes a first component 11 and a second component 12. The first component 11 and the second component 12 have identical structures and are both U-shaped. The plug-in plate 5 extends and is formed at both ends of the first component 11 and the second component 12. When the plug-in plate 5 is fully inserted and fixed in the plug-in fixing groove 4, the inner wall of the side of the first component 11 is in close contact with the outer wall of the heat-insulating cylinder 21, and the second component 12 is located on the side of the heat-insulating cylinder 21 away from the first component 11, and the inner wall of the side of the second component 12 is also in close contact with the outer wall of the heat-insulating cylinder 21.

[0055] This results in the first component 11 and the second component 12 respectively wrapping around the two opposite side walls of the heat-insulating cylinder 21, with the metal external connector 1 and the heat-insulating main body connector 2 forming a regular cuboid in the assembled state. Since the clamping plate 22 can form a separation at the connection point with the heat-insulating cylinder 21, the first component 11 and the second component 12 do not contact each other when installed on the heat-insulating cylinder 21, thus reducing heat transfer between them. The first component 11 and the second component 12 are respectively installed on the two opposite side walls of the heat-insulating cylinder 21, which on the one hand increases the overall structural strength of the thermal break keel, and on the other hand, the arrangement on both sides can be adapted to different usage environments, such as when the metal external connectors 1 on both sides need to be connected to metal adapters, bolts, etc.

[0056] Furthermore, to ensure a locking effect between the metal outer connector 1 and the heat-insulating main body connector 2, a first serrated protrusion 111 is formed on the side wall of the plug-in plate 5, while a second serrated protrusion 221 that mates with the first serrated protrusion 111 is formed on the side wall of the clamping plate 22 near the heat-insulating cylinder 21. When the plug-in plate 5 is inserted into the plug-in fixing groove 4, the first serrated protrusion 111 and the second serrated protrusion 221 mate and lock together, so that the plug-in plate 5 and the heat-insulating main body connector 2 have a better fixing effect.

[0057] Since the heat-insulating cylinder 21 is made of high-polymer heat-insulating material, multiple reinforcing ribs 211 are formed inside the heat-insulating cylinder 21 to increase its structural strength. The reinforcing ribs 211 are distributed vertically in both directions. During the specific production process of the heat-insulating cylinder 21, by setting the mold shape and structure, the reinforcing ribs 211, the heat-insulating cylinder 21, and the clamping plate 22 can be directly integrally formed. In this embodiment, the reinforcing ribs 211 adopt a design of two longitudinally and two laterally, forming an overall grid-like structure. This results in multiple through channels between the reinforcing ribs 211 and between the reinforcing ribs 211 and the inner wall of the heat-insulating cylinder 21. Here, these channels are named insertion channels 212, which are used for inserting the insert connector 3.

[0058] Reference Figure 7 and Figure 8 The insert connector 3 is made of rigid polyvinyl chloride (PVC) inorganic material. During production, injection molding can be used. First, a mold is customized according to the shape of the insert connector 3, then the corresponding raw material is injected, and finally, the part is demolded. Specifically, the insert connector 3 includes a partition 31 and insertion posts 32 formed at both ends of the partition 31. The shape, size, and number of these insertion posts 32 can be adaptively designed according to the insertion channel 212 described above. The size of the partition 31 must meet the following conditions: when the metal outer connector 1 and the heat-insulating main body connector 2 are assembled, the cross-sectional dimensions of the partition 31 are equal to the cross-sectional dimensions after assembly. This ensures that when the insert connector 3 is inserted into two adjacent heat-insulating main body connectors 2, the peripheral wall of the partition 31 will not "bulge outwards" relative to the side walls of the metal outer connector 1 and the heat-insulating main body connector 2. It also prevents contact between adjacent metal outer connectors 1, reducing heat transfer.

[0059] The above is a detailed description of the specific structure of the thermal insulation main connector 2, the metal external connector 1, and the core connector 3, as well as the connection relationship between the three. In practical applications, these three components should be prefabricated and manufactured according to design standards. After being transported to the construction site, the thermal insulation main connector 2 and the metal external connector 1 must be assembled first. Alternatively, they can be assembled in the factory before being transported to the construction site. Then, during the installation of the building envelope system panels, the core connector 3 is inserted into the thermal insulation main connector 2 of the next layer. Then, the assembled thermal insulation main connector 2 and the metal external connector 1 are installed onto the core connector 3 to increase the height of the thermal break keel. Then, the installation of the building envelope system panels continues, and this cycle is repeated until the building's exterior wall cladding construction is completed.

[0060] Reference Figure 9 and Figure 10This application also discloses a panel installation node, including the aforementioned combined thermal break keel. During construction, the combined thermal break keel is vertically fixed to the building structure, and multiple rows can be arranged parallel to each other horizontally. The building envelope system panel is installed on the side of the combined thermal break keel away from the building structure. Specifically, a fixing component 6 connects the heat-insulating main connector 2 to the building structure, passing through the heat-insulating main connector 2 and fastening it to the building structure; an installation component 8 connects the metal external connector 1 to the building envelope system panel to fix the building envelope system panel to the corresponding position on the building structure.

[0061] Furthermore, the fixing component 6 includes a connecting angle steel 61, a first connector 62, and a second connector 63. The first connector 62 is used to fix the heat-insulating main body connector 2 to one end of the connecting angle steel 61, and the second connector 63 fixes the other end of the connecting angle steel 61 to the building structure. In this embodiment, each fixing component 6 includes two connecting angle steels 61, which are distributed parallel to each other on both sides of the heat-insulating main body connector 2. The first connector 62 is a bolt, which passes through the heat-insulating main body connector 2 and the connecting angle steels 61 on both sides and locks the three together.

[0062] Preferably, the bolt passes through the middle of the heat-insulating main body connector 2. This can be understood as one end of the bolt passing through the connecting angle steel 61, the middle of the clamping plate 22, the connection between the clamping plate 22 and the heat-insulating cylinder 21, the middle of the heat-insulating cylinder 21, the connection between the heat-insulating cylinder 21 and the clamping plate 22, and the middle of the clamping plate 22 in sequence, and protruding from the connecting angle steel 61 on the other side, and the bolt does not contact the metal outer connector 1.

[0063] A fixing plate 7 is provided between the connecting angle steel 61 and the main building body. The second connecting piece 63 is made of expansion bolts and / or chemical bolts. The second connecting piece 63 passes through the fixing plate 7 and is fixed to the main building body to lock the fixing plate 7 to the main building body. The two connecting angle steels 61 are symmetrically welded to the side of the fixing plate 7 away from the main building body.

[0064] Furthermore, the mounting component 8 includes a fixing clip 81 and a third connector 82. The fixing clip 81 is used to connect to the building envelope system panel, and the third connector 82 is used to install the fixing clip 81 onto the metal outer connector 1. In this embodiment, the third connector 82 is made of stainless steel screws, and the fixing clip 81 is made of L-shaped metal components. One side of the fixing clip 81 can be fastened to the side wall of the building envelope system panel with screws, and the other side of the fixing clip 81 is fixed to the metal outer connector 1 through the third connector 82. During specific installation, the third connector 82 passes through the side of the fixing clip 81 and the side wall of the metal outer connector 1 in sequence, and is screwed into the interior of the heat-insulating main body connector 2 to achieve a fixing effect.

[0065] Furthermore, during the specific installation of the building envelope system panels, the ends of two adjacent panels in the horizontal direction are connected to the same external metal connector 1. The gap between two adjacent panels is convenient for installing the third connector 82, and this gap also helps to mitigate the thermal bridging effect. To improve the sealing between adjacent panels, foam rods and sealant are filled between two adjacent panels in both the horizontal and vertical directions.

[0066] The implementation principle of this application embodiment is as follows:

[0067] According to the design standards, the thermal insulation main connector 2, the metal external connector 1, and the core connector 3 are prefabricated and produced. After being transported to the construction site, the thermal insulation main connector 2 and the metal external connector 1 must be assembled first. Then, the thermal insulation main connector 2 is fixed to the building structure using the fixing component 6. The core connector 3 is then inserted into the thermal insulation main connector 2 of the next layer. The assembled thermal insulation main connector 2 and the metal external connector 1 are then installed onto the core connector 3 to increase the height of the thermal break keel. After the thermal break keel is installed, the building envelope system panel is then installed onto the metal external connector 1 using the installation component 8. During the installation of the building envelope system panel, attention should be paid to adjusting the flatness of the panel until the building exterior wall enclosure construction is completed.

[0068] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A composite thermal break keel, characterized in that, The device includes a metal external connector (1) and a heat-insulating main body connector (2) with heat insulation effect. The metal external connector (1) is used to fix the building curtain wall panel and / or metal roof panel. The heat-insulating main body connector (2) is used to fix to the building body. The metal external connector (1) is fixed to the heat-insulating main body connector (2), and the metal external connector (1) is indirectly fixed to the building body through the heat-insulating main body connector (2). The heat-insulating main body connector (2) includes a heat-insulating cylinder (21) and a clamp (22) fixed to the side wall of the heat-insulating cylinder (21). An insertion and fixing groove (4) is formed between the clamp (22) and the outer wall of the heat-insulating cylinder (21) for the metal external connector (1) to be inserted and fixed.

2. The combined thermal break keel according to claim 1, characterized in that, The metal external connector (1) is provided with a plug plate (5), which is used to plug into and fix to the plug fixing groove (4) to lock and fix the metal external connector (1) and the heat-insulating body connector (2).

3. A combined thermal break keel according to claim 2, characterized in that, A first serrated protrusion (111) is formed on the side wall of the plug plate (5), and a second serrated protrusion (221) that cooperates with the first serrated protrusion (111) is formed on the side wall of the clamp plate (22) near the heat-insulating cylinder (21).

4. A combined thermal break keel according to claim 2, characterized in that, The metal external connector (1) includes a first component (11) and a second component (12) with identical structures. The plug plate (5) extends and is formed at both ends of the first component (11) and the second component (12). The first component (11) and the second component (12) are respectively fixed on the two opposite outer walls of the heat-insulating cylinder (21).

5. A combined thermal break keel according to claim 1, characterized in that, The heat-insulating cylinder (21) is provided with a plurality of reinforcing ribs (211), which are arranged vertically in both directions.

6. A combined thermal break keel according to claim 1, characterized in that, It also includes a core connector (3) for splicing adjacent heat-insulating body connectors (2), wherein the core connector (3) is inserted into the heat-insulating body connector (2).

7. A panel mounting node, characterized in that, The invention includes a combined thermal break keel as described in any one of claims 1-6, wherein the combined thermal break keel is vertically fixed to the building body, and a fixing component (6) is connected between the heat-insulating main body connector (2) and the building body, the fixing component (6) passing through the heat-insulating main body connector (2) and fastened to the building body; and an installation component (8) is connected between the metal external connector (1) and the building envelope system panel.

8. A panel mounting node according to claim 7, characterized in that, The fixing component (6) includes two connecting angle steels (61), a first connector (62) and a second connector (63), wherein the first connector (62) is used to fix the heat-insulating main connector (2) to one end of the connecting angle steel (61), and the second connector (63) fixes the other end of the connecting angle steel (61) to the building body; And / or: The mounting assembly (8) includes a fixing clip (81) and a third connector (82), the fixing clip (81) being used to connect to the building envelope system panel, and the third connector (82) being used to mount the fixing clip (81) onto the metal outer connector (1).

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