Positive bending fixed capillary radiant panel and splicing device

By eliminating the internal cavity through the design of the positive-bend fixed capillary radiation plate and simplifying the splicing with quick-connect connectors, the problems of large thickness and high cost of the reverse-bend movable capillary radiation plate are solved, achieving more efficient heat conduction performance and a simplified construction process.

CN223965527UActive Publication Date: 2026-03-03BEIJING TENGYUN ZHIHUI TECHNOLOGY DEVELOPMENT CO LTD +2
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Patent Information

Application Number
CN202520368140.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-03
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing reverse-bending movable capillary radiant panels have problems such as internal cavities hindering unidirectional heat conduction, large thickness, high cost, and complex and inefficient splicing operations.

Method used

It adopts a positive bending fixed capillary radiation plate design, with both ends of the capillary grid bent outwards. The bottom surface of the insulation board has a long tube groove to accommodate the collection tube. The insulation board is fixed to the gypsum board, eliminating the internal cavity and simplifying the splicing with quick-connect connectors.

Benefits of technology

The reduced insulation board thickness lowers costs, improves thermal conductivity, and simplifies splicing, making it suitable for thinner radiant panel suspension installations, thus enhancing the living experience and construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a positive-bending fixed capillary radiant panel and a splicing device. The radiant panel comprises a gypsum board, the capillary tube mesh grid is embedded and poured in the gypsum board, collecting tubes are arranged at the two ends of the capillary tube mesh grid respectively, and the two ends of the capillary tube mesh grid are bent outwards in the direction away from the gypsum board at the same time so that the collecting tubes can be exposed out of the gypsum board; the heat preservation plate is located above the capillary tube mesh grid, the heat preservation plate is fixed to the gypsum board, the bottom face of the heat preservation plate is attached to the top face of the gypsum board, and a long tube groove used for containing the collecting tube is formed in the position, opposite to the collecting tube, of the bottom face of the heat preservation plate. The positive-bending fixed type capillary radiant panel can solve the problems that a cavity is formed in an existing radiant panel, heat conduction is not facilitated, the application mode of the existing radiant panel is limited due to the large thickness, and cost is high.
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Description

Technical Field

[0001] This utility model relates to the construction of radiant air conditioning terminal, specifically a positive-bend fixed capillary radiant plate and splicing device. Background Technology

[0002] In radiant heating and cooling systems, capillary radiant panels are widely used as heat exchangers in civil building HVAC systems. Currently, the radiant panels used are inverted bending movable capillary radiant panels, such as... Figure 1 As shown, the reverse-bending movable capillary radiant panel includes a gypsum board B, a capillary grid C located inside the gypsum board B, and an insulation board A located above the capillary grid C. The two ends of the capillary grid C bend upwards and pass through the gypsum board B, and then bend in the opposite direction. The insulation board A makes room for the reverse-bending capillary grid C. The two ends of the manifold E extend from the gypsum board B and can move to a certain extent. When it is necessary to splice the radiant panels, the manifold E of the two radiant panels can be pulled to make them come together for hot-melt welding. This type of radiant panel structure, due to the reverse bending of the capillary mesh C, creates a closed cavity D between the insulation board A and the gypsum board B, which is not conducive to unidirectional heat conduction within the cavity. Furthermore, because the insulation board A needs to accommodate the reverse-bending capillary mesh C, its thickness is relatively large, requiring 55mm. Adding the 15mm gypsum board B, the total thickness of the radiant panel needs to be over 70mm. This limits its applicability to current residential buildings with a floor height of only about 2.8m. Additionally, the long length of the capillary mesh C due to its reverse bending at the ends, along with the thickness of the insulation board A, contributes to its high cost. Moreover, the use of welded connecting manifolds E during splicing is complex, inefficient, and costly. Summary of the Invention

[0003] This invention provides a positively curved fixed capillary radiation plate, which can solve the problems of existing radiation plates having cavities inside that are not conducive to heat conduction, and having large thickness that limits their application and cost.

[0004] The positive bending fixed capillary radiation plate of this utility model includes:

[0005] plasterboard;

[0006] A capillary grid is embedded in the gypsum board. Each end of the capillary grid is provided with a collecting tube. Both ends of the capillary grid are bent outward and away from the gypsum board so that the collecting tube is exposed outside the gypsum board.

[0007] An insulation board is located above the capillary grid. The insulation board is fixed to the gypsum board, and the bottom surface of the insulation board is in contact with the top surface of the gypsum board. A long groove for accommodating the collecting pipe is provided on the bottom surface of the insulation board opposite to the collecting pipe.

[0008] Preferably, the angle between the bent portion of the capillary grid and the horizontal plane is 40°-50°.

[0009] Preferably, the bottom wall of the long tube groove is an arc-shaped surface that matches the outer wall of the collecting tube. The long tube groove has two long side walls, wherein the wall surface of the long side wall opposite to the bent portion of the capillary grid is inclined, and the angle of inclination is the same as the angle of inclination of the bent portion of the capillary grid.

[0010] Preferably, the maximum depth of the long tube groove is 1mm-2mm greater than the diameter of the manifold.

[0011] Preferably, the bottom surface of the capillary grid is 2mm-5mm away from the bottom surface of the gypsum board.

[0012] Preferably, the radiant panel can be fixed to the secondary keel of the building or suspended from the top of the building.

[0013] Preferably, the two manifolds located at both ends of the capillary grid are the inlet manifold and the outlet manifold, respectively. The inlet of the inlet manifold is equipped with an inlet quick-connect fitting, and the outlet of the outlet manifold is equipped with an outlet quick-connect fitting.

[0014] This utility model also provides a positive bending fixed capillary radiation plate splicing device, which includes multiple radiation plates as described above. The splicing device also includes a connector, which includes a hose, a first quick connector located at one end of the hose for cooperating with the liquid inlet quick connector, and a second quick connector located at the other end of the hose for cooperating with the liquid outlet quick connector.

[0015] This utility model also provides another type of positive bending fixed capillary radiation plate splicing device, which includes multiple radiation plates as described above. The splicing device also includes a connector, a liquid supply pipe and a liquid return pipe. The liquid supply pipe is provided with multiple liquid supply quick connectors, and the liquid return pipe is provided with multiple liquid return quick connectors. The connector includes a hose, a first quick connector located at one end of the hose for connecting with the liquid supply quick connector, and a second quick connector located at the other end of the hose for connecting with the liquid return quick connector.

[0016] Preferably, the supply pipe, return pipe, and radiant panel are suspended from the building, and the height of the supply pipe, the height of the return pipe, and the suspension height of the radiant panel are the same.

[0017] Compared with the prior art, this utility model has the following advantages: Since the positively curved fixed capillary radiant panel of this utility model does not require a cavity to accommodate the capillary network, the thickness of the insulation board can be reduced to 25mm. Compared with the existing 55mm thick insulation board, the thickness of the existing radiant panel can be reduced by about 30mm, allowing it to be suspended and installed on the interior ceiling of the building. Existing radiant panels are 70mm thick; for a typical 2.8m dwelling, a 30mm ceiling height would significantly impact the living experience, making suspended installation unsuitable. Furthermore, since the radiant panel of this utility model has no internal cavity, the overall thermal conductivity of the radiant panel is improved, and the cost of the radiant panel is also reduced. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a reverse-bending moving capillary radiation plate in the prior art.

[0019] Figure 2 This is a structural schematic diagram of a positively curved fixed capillary radiation plate splicing device according to an embodiment of the present invention. The upper figure is an exploded structural diagram of the positively curved fixed capillary radiation plate, and the lower figure is a structural schematic diagram of the positively curved fixed capillary radiation plate after assembly.

[0020] Figure 3 This is a top view structural diagram of the insulation board of a positive bending fixed capillary radiation plate splicing device according to an embodiment of the present invention.

[0021] Figure 4 This is a top view of the capillary grid of a positive-bend fixed capillary radiation plate splicing device according to an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of a positively curved fixed capillary radiation plate splicing device according to an embodiment of the present invention.

[0023] Figure 6 This is a schematic diagram of the structure of a positively curved fixed capillary radiation plate splicing device according to another embodiment of the present invention.

[0024] Figure 7 for Figure 6 A top-view structural diagram of the capillary grid used in the positive-bend fixed capillary radiation plate splicing device.

[0025] Figure Labels

[0026] Figure 1

[0027] A. Insulation board, B. Gypsum board, C. Capillary mesh, D. Cavity, E. Manifold.

[0028] Figure 2 - Figure 4

[0029] 1. Gypsum board;

[0030] 2. Capillary mesh, 21. Inlet manifold, 211. Inlet quick connector, 22. Outlet manifold, 221. Outlet quick connector, 23. Bending part;

[0031] 3 insulation board, 31 long pipe groove, 311 bottom wall, 312 side wall;

[0032] 4 connectors, 41 hose, 42 first quick-connect fitting, 43 second quick-connect fitting;

[0033] 5. Liquid supply pipes;

[0034] 6 return pipes. Detailed Implementation

[0035] This utility model provides a positively curved fixed capillary radiation plate, such as Figure 2 As shown, the radiant panel includes: gypsum board 1, capillary mesh 2, and insulation board 3. In this embodiment, the capillary mesh 2 and insulation board 3 are fixed together by adhesive bonding. The capillary mesh 2 is embedded in the gypsum board 1, as shown in the figure. Figure 2 and 4 As shown, the capillary grid 2 has collecting tubes at both ends. Both ends of the capillary grid 2 are bent outwards and simultaneously away from the gypsum board 1 (i.e., towards the insulation board 3) to form inclined bends, exposing the collecting tubes outside the gypsum board 1. The insulation board 3 is located above the capillary grid 2, serving to reduce reverse heat transfer loss. The insulation board 3 is fixed to the gypsum board 1, and the bottom surface of the insulation board 3 is in contact with the top surface of the gypsum board 1. Figure 2 and 3 As shown, the bottom surface of the insulation board 3 is provided with a long pipe groove 31 for accommodating the manifold at the position opposite to the manifold.

[0036] Because this utility model's positive-bend fixed capillary radiant panel eliminates the need for a cavity to accommodate the capillary mesh 2, the thickness of the insulation board 3 can be reduced to 25mm. Compared to the existing 55mm thick insulation board 3, this reduces the thickness of the existing radiant panel by approximately 30mm, allowing it to be suspended and installed on the interior ceiling of a building. Existing radiant panels are 70mm thick; for a typical 2.8m dwelling, a 30mm ceiling height would significantly impact the living experience, making suspended installation unsuitable. Furthermore, since this utility model's radiant panel has no internal cavity, the overall thermal conductivity of the radiant panel is improved, and the cost is also reduced.

[0037] In this embodiment, the gypsum board 1 is a high-strength waterproof gypsum board 1, with a 45° inclined groove at the junction of its bottom and side surfaces, which facilitates the later application of putty.

[0038] As a preferred embodiment, the angle between the bent portion 23 of the capillary mesh 2 and the horizontal plane is 40°-50°, and 45° is used in this embodiment. Figure 2 As shown, the bottom wall 311 of the long tube groove 31 is an arc-shaped surface that matches the outer wall of the collecting tube. The long tube groove 31 has two long sidewalls, one of which, the long sidewall 312 opposite to the bent portion of the capillary grid 2, is an inclined surface with the same inclination angle as the bent portion 23 of the capillary grid 2. The other sidewall is perpendicular to the plasterboard. The shape of the long tube groove 31 allows the collecting tube of the capillary grid 2 to smoothly extend into the long tube groove 31 and be wrapped by the wall of the long tube groove 31, forming a stable structure. The maximum depth of the long tube groove 31 is 1mm-2mm larger than the diameter of the collecting tube.

[0039] The bottom surface of the capillary grid 2 is 2mm-5mm away from the bottom surface of the gypsum board 1. This distance allows the heat from the capillary grid 2 to be quickly transferred to the gypsum board 1, so that the bottom surface of the gypsum board 1 forms a radiant surface with uniform temperature.

[0040] Two manifolds located at both ends of the capillary grid 2 are the inlet manifold 21 and the outlet manifold 22, respectively. Liquid enters the capillary grid 2 through the inlet manifold 21, undergoes heat exchange, and then flows into the outlet manifold 22. The inlet of the inlet manifold 21 is equipped with an inlet quick-connect fitting 211, and the outlet of the outlet manifold 22 is equipped with an outlet quick-connect fitting 221. Dedicated pipe plugs are installed at the other ends of both the inlet and outlet manifolds. The inlet quick-connect fitting 211, the outlet quick-connect fitting 221, and the pipe plugs can utilize existing structures. When assembling radiant panels, the inlet quick-connect fitting 211 and the outlet quick-connect fitting 221 are used to connect different radiant panels or the supply pipe 5 and return pipe 6. This simplifies the connection of radiant panels, improves construction efficiency and quality, and reduces construction costs.

[0041] This invention also provides a positive bending fixed capillary radiation plate splicing device, such as... Figure 5As shown, the device includes the radiant plate described above. The radiant plate in this figure measures 600x1200mm, and its inlet quick-connect fitting 211 and outlet quick-connect fitting 221 are located diagonally opposite each other, with plugs at the other diagonal. In this embodiment, the inlet quick-connect fitting 211 and outlet quick-connect fitting 221 are at a 45° or 90° angle relative to the radiant plate. The splicing device also includes a connector 4, which includes a flexible hose 41, a first quick-connect fitting 42 located at one end of the hose 41 for engaging with the inlet quick-connect fitting 211, and a second quick-connect fitting 43 located at the other end of the hose 41 for engaging with the outlet quick-connect fitting 221. Thus, the radiant plates are connected in series, allowing liquid to flow through each plate for heat exchange. This splicing method is suitable for smaller rooms. Based on the existing keel-style ceilings of main functional rooms such as living rooms, dining rooms, and bedrooms, the radiant panels can be fixed piece by piece under the secondary keel by nailing, avoiding light holes, light strips, sprinkler heads, and alarms.

[0042] This invention also provides another type of positive bending fixed capillary radiation plate splicing device, such as... Figure 6 As shown, it includes multiple radiating plates as described above. The dimensions of the radiating plates in this figure are 1200x1200mm. Figure 7 As shown, the quick-connect fittings 211 for liquid inlet and 221 for liquid outlet of the radiant panel are located on the same side of the radiant panel, while a pipe plug is located on the other side. In this embodiment, the quick-connect fittings 211 for liquid inlet and 221 for liquid outlet are parallel to the radiant panel. The splicing device also includes a connector 4, a supply pipe 5, and a return pipe 6. The supply pipe 5 has multiple quick-connect fittings for liquid supply, and the return pipe 6 has multiple quick-connect fittings for liquid return. The connector 4 includes a flexible hose 41, a first quick-connect fitting 42 located at one end of the hose 41 for connecting to the quick-connect fittings for liquid supply or return, and a second quick-connect fitting 43 located at the other end of the hose 41 for connecting to the quick-connect fittings 211 for liquid inlet or 221 for liquid outlet. In this splicing method, the radiant panels are connected in parallel, allowing for the splicing of more radiant panels, making it suitable for larger rooms. In this embodiment, the supply pipe 5, return pipe 6, and radiant panel are suspended from the building, and the heights of the supply pipe 5 and return pipe 6 are the same as the suspension height of the radiant panel. The side end of the radiant panel, rather than the top end, connects to the supply pipe 5 and return pipe 6, thus achieving side-in, side-out operation. This eliminates the need for the supply pipe 5 and return pipe 6 to occupy additional floor height, allowing the radiant panel to be suspended at a higher height with less floor height required for a more comfortable living experience. Furthermore, this suspended installation also helps to conceal the pipes as much as possible, ensuring aesthetic appeal.

[0043] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Various modifications or equivalent substitutions made by those skilled in the art within the spirit and scope of this utility model also fall within the scope of protection of this utility model.

Claims

1. A positively curved fixed capillary radiation plate, characterized in that, include: plasterboard; A capillary grid is embedded in the gypsum board. Each end of the capillary grid is provided with a collecting tube. Both ends of the capillary grid are bent outward and away from the gypsum board so that the collecting tube is exposed outside the gypsum board. An insulation board is located above the capillary grid. The insulation board is fixed to the gypsum board, and the bottom surface of the insulation board is in contact with the top surface of the gypsum board. A long groove for accommodating the collecting pipe is provided on the bottom surface of the insulation board opposite to the collecting pipe.

2. The positively bent fixed capillary radiating plate according to claim 1, characterized in that, The angle between the bent portion of the capillary grid and the horizontal plane is 40°-50°.

3. The positively bent fixed capillary radiating plate according to claim 1, characterized in that, The bottom wall of the long tube groove is an arc-shaped surface that matches the outer wall of the collecting tube. The long tube groove has two long side walls, wherein the wall surface of the long side wall opposite to the bent portion of the capillary grid is inclined, and the angle of inclination is the same as the angle of inclination of the bent portion of the capillary grid.

4. The positively bent fixed capillary radiating plate according to claim 2, characterized in that, The maximum depth of the long trench is 1mm-2mm greater than the diameter of the manifold.

5. The positively bent fixed capillary radiating plate according to claim 1, characterized in that, The bottom surface of the capillary grid is 2mm-5mm away from the bottom surface of the gypsum board.

6. The positively bent fixed capillary radiating plate according to claim 1, characterized in that, Radiation panels can be fixed to the secondary joists of a building or suspended from the top of the building.

7. The positively bent fixed capillary radiating plate according to any one of claims 1-6, characterized in that, The two manifolds located at both ends of the capillary grid are the inlet manifold and the outlet manifold, respectively. The inlet of the inlet manifold is equipped with an inlet quick-connect fitting, and the outlet of the outlet manifold is equipped with an outlet quick-connect fitting.

8. A positive-bend fixed capillary radiation plate splicing device, characterized in that, The device includes multiple radiant panels as described in claim 7, and the splicing device further includes a connector, the connector including a hose, a first quick connector located at one end of the hose for engaging with the liquid inlet quick connector, and a second quick connector located at the other end of the hose for engaging with the liquid outlet quick connector.

9. A positive-bend fixed capillary radiation plate splicing device, characterized in that, The device includes multiple radiant panels as described in claim 7. The splicing device further includes a connector, a liquid supply pipe, and a liquid return pipe. The liquid supply pipe is provided with multiple liquid supply quick-connect plugs, and the liquid return pipe is provided with multiple liquid return quick-connect plugs. The connector includes a flexible tube, a first quick-connect fitting located at one end of the flexible tube for connecting to the liquid supply quick-connect plug, and a second quick-connect fitting located at the other end of the flexible tube for connecting to the liquid return quick-connect plug.

10. The positive bending fixed capillary radiation plate splicing device according to claim 9, characterized in that, The supply pipe, return pipe, and radiant panel are suspended from the building, and the height of the supply pipe, the height of the return pipe, and the suspension height of the radiant panel are the same.