Dry-laid graphene floor heating system and floor structure
By introducing an equipotential grounding grid and a multi-layered protective structure into the graphene underfloor heating system, the safety and waterproofing issues of traditional electric underfloor heating systems are solved, achieving higher safety and waterproofing, and improving the overall safety and service life of the system.
Patent Information
- Application Number
- CN202520547108.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Traditional electric underfloor heating systems have safety and waterproofing issues, especially the risk of water seepage leading to short circuits or component corrosion, which affects lifespan and poses safety hazards.
The dry-laid graphene underfloor heating system using an equipotential bonding network includes a waterproof layer, an equipotential bonding network, and a graphene heating layer. The equipotential bonding network is a galvanized steel wire mesh that forms a continuous conductive path to balance the potential difference. A waterproof layer and a protective layer are laid on top, combined with insulation and heat insulation layers to enhance protection.
It achieves multiple protections for the graphene electrothermal layer, reduces the risk of leakage, improves system safety and waterproof performance, avoids local voltage gradients, eliminates the risk of electric shock, and extends service life.
Smart Images
Figure CN223954245U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of floor heating, specifically relates to a dry paving graphene floor heating system and floor structure. BACKGROUND
[0002] Traditional electric floor heating system adopts resistance wire as heating element, although it has the advantage of fast heating. Graphene electric heating material has been applied in floor heating field this year due to its excellent heat conductivity. The safety and waterproofness of floor heating have been concerned, once water seeps into the inside and causes circuit short circuit or element corrosion, then it will affect the service life and cause the safety hazard of electric leakage. Therefore, an ultra-high safety floor heating system is urgently needed. SUMMARY
[0003] The utility model solves the technical problem to provide a dry paving graphene floor heating system and floor structure which increases equipotential bonding protection measures and realizes indirect contact protection, greatly improving the overall safety of electric heating system.
[0004] The utility model provides a dry paving graphene floor heating system, including waterproof layer, equipotential net, protection layer and graphene electric heating layer from top to bottom are sequentially laid, equipotential net ground connection.
[0005] Further, the equipotential net is galvanized steel wire net.
[0006] Further, the size of the galvanized steel wire net is Φ3 @ 150X150.
[0007] Further, the side of the protection layer is set up with protection layer upturn and is set up with waterproof layer upturn.
[0008] The protection layer, protection layer upturn and waterproof layer enclose the equipotential net.
[0009] Further, the side of the waterproof layer is set up with waterproof layer upturn.
[0010] The waterproof layer upturn and the protection layer upturn are set up.
[0011] Further, the graphene electric heating layer is sequentially laid with insulation layer, heat preservation layer and heat insulation layer below.
[0012] Further, the side of the insulation layer is set up with insulation layer upturn.
[0013] The upper end of the insulation layer upturn is in contact with the protection layer.
[0014] The insulation layer, insulation layer upturn and protection layer enclose the graphene electric heating layer.
[0015] Further, the side edge of the heat insulation layer is upwardly provided with a heat insulation layer upturn;
[0016] The upper end of the heat insulation layer upturn is in contact with the protection layer, and the inner side is attached to the insulation layer upturn.
[0017] Further, the dry-laid graphene floor heating system further comprises a wiring structure embedded on the side wall;
[0018] The wiring structure comprises a power line, a temperature control box and an electric wire connected in sequence from top to bottom, the electric wire comprises a power supply wire and a ground wire, the power supply wire is electrically connected with the graphene electric heating layer, and the ground wire is electrically connected with the equipotential net.
[0019] The utility model also provides a floor structure which comprises a surface layer and a structural plate arranged from top to bottom;
[0020] The dry-laid graphene floor heating system is arranged between the surface layer and the structural plate.
[0021] The beneficial effects of the utility model are that the equipotential net can form a continuous conductive path on the whole floor plane, effectively balances the potential difference of different areas, and reduces the local voltage gradient.
[0022] That is, the dry-laid graphene floor heating system provided by the utility model increases the equipotential bonding protection measure, realizes indirect contact protection, and greatly improves the overall safety of the electric heating system. BRIEF DESCRIPTION OF DRAWINGS
[0023] ATTACHED Figure 1 The structure of the utility model is shown in the attached drawings.
[0024] In the drawings, 1 is a surface layer; 2 is a waterproof layer; 201 is a waterproof layer upturn; 3 is an equipotential net; 4 is a protection layer; 401 is a protection layer upturn; 5 is a graphene electric heating layer; 6 is an insulation layer; 601 is an insulation layer upturn; 7 is a heat preservation layer; 8 is a heat insulation layer; 801 is a heat insulation layer upturn; 9 is a structural plate; 10 is a power line; 11 is a temperature control box; and 12 is an electric wire. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0027] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0028] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection, or physical connection or wireless communication connection; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0029] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.
[0030] As shown in the accompanying drawings, Figure 1 The present application provides a dry-laid graphene floor heating system, which comprises a waterproof layer 2, an equipotential net 3, a protective layer 4 and a graphene electric heating layer 5 laid in sequence from top to bottom, and the equipotential net 3 is grounded.
[0031] The equipotential net 3 can form a continuous conductive path on the whole floor plane, can effectively balance the potential difference of different areas, and reduce the local voltage gradient. Further, indirect contact protection can be realized, the floor surface is uniformly charged when electric leakage occurs, the voltage difference between high and low is avoided when a human walks on the floor surface, the safety hidden danger caused by electric leakage is further reduced, and the overall safety of the system is improved. The equipotential net 3 is grounded, the human body or the object on the floor is prevented from being electrified, multiple protections of the graphene electric heating layer 5 are realized, and the safety of the system is effectively improved. The waterproof layer 2 is arranged above the equipotential net 3, the waterproof layer 2 can protect the equipotential net 3 and prevent water on the floor from seeping through the floor joint, and the laying and installation of the surface layer 1 are facilitated.
[0032] That is, the dry-laid graphene floor heating system provided by the utility model increases the equipotential connection protection measure, realizes indirect contact protection, and greatly improves the overall safety of the electric heating system.
[0033] In one of the embodiments, the equipotential net 3 is a galvanized steel wire net, the galvanized steel wire net is woven into a grid structure by metal wires to form a continuous conductive path. Galvanizing can isolate oxygen and moisture, prevent the steel wire net from rusting, and prolong the service life. Moreover, the galvanized steel wire net can be flexibly laid and is convenient to install.
[0034] In one of the embodiments, the size of the galvanized steel wire net is Φ3 @ 150X150, that is, the diameter of the galvanized steel wire net is 3 mm, and the grid spacing is 150 mmX150 mm, so that the galvanized steel wire net has good structural support strength, can prevent cracking, and can well ensure the coverage of the equipotential net 3.
[0035] In one of the embodiments, the side edge of the protective layer 4 is upwardly arranged with a protective layer upward turn 401.
[0036] The protective layer 4, the protective layer upward turn 401 and the waterproof layer 2 enclose and cover the equipotential net 3.
[0037] In the embodiment, the equipotential net 3 can be omnidirectionally covered by the waterproof layer 2 and the protective layer 4, so that the equipotential net 3 becomes a sandwich layer, and the protection effect of the equipotential net 3 can be greatly improved. Preferably, the waterproof layer 2 and the protective layer 4 are both made of propylene cloth, at this time, the protective layer 4, the protective layer upward turn 401 and the waterproof layer 2 can omnidirectionally waterproof the equipotential net 3, and can also well waterproof the graphene electric heating layer 5 below the protective layer 4, greatly improving the waterproof performance and the safety of the system.
[0038] In one of the embodiments, the side edge of the waterproof layer 2 is upwardly arranged with a waterproof layer upward turn 201.
[0039] The waterproof layer upper turn 201 and the protection layer upper turn 401 are arranged in close contact, so that the closing of the waterproof layer upper turn 201 and the protection layer upper turn 401 is extremely convenient, and the coating and sealing effect of the equipotential net 3 is further improved.
[0040] In one of the embodiments, the graphene electric heating layer 5 is further sequentially laid with an insulation layer 6, a heat preservation layer 7 and a thermal insulation layer 8 from bottom to top, wherein the insulation layer 6 can insulate the graphene electric heating layer 5 from the carrier below, preferably, the insulation layer 6 is made of cotton cloth, thereby waterproofing the bottom of the graphene electric heating layer 5. The thermal insulation layer 8 is used to avoid the loss of heat generated by the graphene electric heating layer 5 downward, thereby reducing the heat loss of the floor heating.
[0041] In one of the embodiments, the side edge of the insulation layer 6 is upwardly arranged with an insulation layer upper turn 601;
[0042] The upper end of the insulation layer upper turn 601 is in contact with the protection layer 4, preferably, the upper end of the insulation layer upper turn 601 is sealingly connected with the protection layer 4;
[0043] The insulation layer 6, the insulation layer upper turn 601 and the protection layer 4 enclose the graphene electric heating layer 5, so that the insulation layer 6 and the protection layer 4 realize all-round protection of the graphene electric heating layer 5, avoiding damage to the graphene electric heating layer 5 during construction, and when the insulation layer 6 and the protection layer 4 are made of cotton cloth, the graphene electric heating layer 5 can be all-round physically waterproofed, greatly improving the safety of the system.
[0044] In one of the embodiments, the side edge of the thermal insulation layer 8 is upwardly arranged with a thermal insulation layer upper turn 801;
[0045] The upper end of the thermal insulation layer upper turn 801 is in contact with the protection layer 4, and the inner side is in close contact with the insulation layer upper turn 601. In the embodiment, the graphene electric heating layer 5 is arranged on the inner side of the thermal insulation layer upper turn 801, so that the thermal insulation layer 8 can protect the graphene electric heating layer 5 and the insulation layer 6 from the side and the bottom, simplify the positioning during installation, and provide multi-directional thermal insulation effect to avoid heat loss from the side.
[0046] In one of the embodiments, the graphene dry-laid floor heating system further comprises a wiring structure pre-embedded on the side wall;
[0047] The wiring structure comprises, from top to bottom, a power line 10, a temperature control box 11 and an electric wire 12, the electric wire comprising a power supply wire and a ground wire, the power supply wire being electrically connected with the graphene electric heating layer 5, and the ground wire being electrically connected with the equipotential net 3, the power supply wire being used for supplying power to the graphene electric heating layer 5, the temperature control box 11 being used for controlling the on-off and voltage of the power supply wire, thereby realizing power control of the graphene electric heating layer 5, and the power line 10 being used for connecting a power source. The ground wire realizes grounding of the equipotential net 3, and the ground wire is grounded through the temperature control box 11, thereby simplifying the bonding difficulty of the circuit. Preferably, the power line 10 and the power supply wire are arranged through PC line pipes pre-embedded on the side wall, and the temperature control box 11 is arranged through a hidden box pre-embedded on the side wall.
[0048] The utility model also provides a floor structure, including from top to bottom set face layer 1 and structural board 9;
[0049] The face layer 1 and the structural board 9 are provided with the above-mentioned dry paving graphene floor heating system.
[0050] In one specific embodiment, the floor structure comprises, in sequence, a face layer 1, a waterproof layer 2, an equipotential net 3, a protective layer 4, a graphene electric heating layer 5, an insulating layer 6, a thermal insulation layer 7, a heat insulation layer 8 and a structural board 9.
[0051] The thickness of the face layer 1 is determined according to the laying thickness, for example, the thickness of the composite floor layer; the waterproof layer 2 is made of 0.5mm-thick propylene cloth; the equipotential net 3 is made of a Φ3@150X150 (mm) galvanized steel wire mesh, i.e. the diameter of the galvanized steel wire mesh is 3mm, and the grid spacing is 150mmX150mm; the protective layer 4 is made of 0.5mm-thick propylene cloth; the graphene electric heating layer 5 is 2mm thick; the insulating layer 6 is made of 0.5mm-thick propylene cloth; the thermal insulation layer 7 is made of 3mm-thick thermal insulation cotton; the heat insulation layer 8 is made of 20mm-thick graphene XPS extruded board; the distance between the graphene electric heating layer 5 and the side edge of the floor is greater than or equal to 200mm; the distance between the thermal insulation layer 7 and the side edge of the floor is greater than or equal to 50mm; and the height of the temperature control box 11 from the face layer 1 is greater than or equal to 1300mm.
[0052] The above description is only for the embodiments of the present utility model and does not limit the present utility model. Any person skilled in the art can make many possible changes, modifications or alterations to the technical solution of the present utility model without departing from the scope of the technical solution of the present utility model, and the equivalent embodiments of equivalent changes, modifications or alterations to the above embodiments can be made. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims
1. A dry-laid graphene underfloor heating system, characterized in that, It includes a waterproof layer (2), an equipotential mesh (3), a protective layer (4), and a graphene electrothermal layer (5) laid from top to bottom, wherein the equipotential mesh (3) is grounded.
2. The dry-laid graphene underfloor heating system as described in claim 1, characterized in that, The equipotential mesh (3) is a galvanized steel wire mesh.
3. The dry-laid graphene underfloor heating system as described in claim 2, characterized in that, The galvanized steel wire mesh has a size of Φ3@150X150.
4. The dry-laid graphene underfloor heating system as described in claim 1, characterized in that, The protective layer (4) has a protective layer flip-up (401) that flips up on the side. The protective layer (4), the protective layer flip-up (401), and the waterproof layer (2) enclose and cover the equipotential mesh (3).
5. The dry-laid graphene underfloor heating system as described in claim 4, characterized in that, The waterproof layer (2) has a waterproof layer upturn (201) with its side turned up. The waterproof layer (201) and the protective layer (401) are fitted together.
6. The dry-laid graphene underfloor heating system as described in any one of claims 1-5, characterized in that, Below the graphene heating layer (5), an insulating layer (6), a heat insulation layer (7), and a heat insulation layer (8) are laid in sequence.
7. The dry-laid graphene underfloor heating system as described in claim 6, characterized in that, The insulating layer (6) is provided with an insulating layer flip-up (601) on its side. The upper end of the insulating layer flipped up (601) contacts the protective layer (4); The insulating layer (6), the insulating layer flip-up (601), and the protective layer (4) surround and cover the graphene electrothermal layer (5).
8. The dry-laid graphene underfloor heating system as described in claim 7, characterized in that, The side of the insulation layer (8) is provided with an upward-protruding insulation layer flip-up (801). The upper end of the heat insulation layer flip-up (801) is in contact with the protective layer (4), and the inner side is attached to the insulation layer flip-up (601).
9. The dry-laid graphene underfloor heating system as described in any one of claims 1-5, 7, and 8, characterized in that, It also includes wiring structures pre-embedded in the side walls; The wiring structure includes a power line (10), a temperature control box (11), and a wire (12) connected from top to bottom. The wire (12) includes a power supply line and a ground line. The power supply line is electrically connected to the graphene heating layer (5), and the ground line is electrically connected to the equipotential mesh (3).
10. A floor structure, characterized in that, It includes a surface layer (1) and a structural plate (9) arranged from top to bottom; A dry-laid graphene underfloor heating system as described in any one of claims 1-8 is provided between the surface layer (1) and the structural plate (9).