heated carpet

Abstract

07.1 The heating carpet is characterized by a bundle of small diameter pipes or hoses through which water or heat exchanger fluid flows and which is embedded in a matrix made of plastic, metal, paper, wood or another suitable rigid or flexible material. The matrix is ​​formed by a mat or similar with elevations from which knobs or elevations arise, which are discretely distributed across the plane and represent the support structure. These knobs or elevations are designed to be pressure-stable and thus form a resilient basic framework for laying hoses or pipes in the spaces between the knobs (elevations). The knobs and elevations are designed to form an adapted, stable foundation depending on the desired load level (e.g. placement of furniture, walkable, etc.).This is achieved by selecting a suitable, stable nub (elevation) material and / or designing the nub elevations as a pressure-stable functional element by filling the nub (elevation) cavities with a pressure-stable material. The construction height is limited (typically 10mm) as floor covering, carpet or undercarpet without “tripping edge”. (Fig.1.1) The described construction becomes a self-contained functional unit by covering it with a foil or similar material, for example, with a decorative design element as a surface covering. This functional unit, "heating carpet," as a heat exchanger / heating element, can be installed on any existing surface: Concrete, screed, plaster, tiles, stone, wood, parquet, linoleum, vinyl, plastic, rubber, cork, fabric, felt, carpet, metal, and much more. No adjustment or modification of the subfloor is necessary. Installation is typically only carried out in partial areas of the floor (or possibly also in the walls or ceilings), especially when retrofitting existing floor coverings. The size is flexibly determined by the available floor space, the size of the overhead carpet (if applicable), and the calculated required heat exchanger area. A design adapted to the floor area is also possible. (Fig. 2) Smaller units can be combined to form larger elements by plugging in the connecting hoses / pipes. Laying (covering) a commercially available carpet is possible but not necessary. Due to the typically low installation height, there are virtually no obstacles, such as a "tripping hazard." No installation or modification of existing structural features is necessary, except for the hydraulic connection. "Roll out, generate hydraulic connection - done."

Description

01 General description of heating carpet - heating mat as hot water heating

[0001] The invention relates to a hot water, predominantly low-temperature, surface heating system that can be easily installed in existing rooms, especially on previously laid floors. Cooling of the rooms is also easily possible with the proposed system. According to the invention, the heat exchanger hoses or heat exchanger tubes are mounted as a bundle of, for example, six parallel ones in a matrix that has a low installation height, typically 10 mm. The heat exchanger thus formed is used as an undercarpet or as a carpet. Another special feature is the surface load capacity (typically 400 kg / dcm 2) and transportability in a rolled-up state. Scalability into different sizes, adapted to standard carpet sizes and the heat output requirements for different room sizes, is easy. Connecting individual heated carpets to form a larger system is achieved using simple screw or plug-in water connections. Placement on any floor covering (concrete, screed, plaster, tiles, stone, wood, parquet, linoleum, vinyl, plastic, rubber, cork, fabric, felt, carpet, rugs, metal, and much more) allows heat to be distributed directly into the room. This minimizes inertia and increases efficiency.

[0002] Wall and ceiling installation is also possible. Connection to the water supply and return lines is easily achieved using screw or crimp connections. Commissioning is very quick, usually within an hour, thanks to installation and connection. 0.1.1 Structural design

[0003] A bundle of small diameter pipes / hoses, typically 8 / 6 (outside / inside) ( Fig. 1 No. 1) are fixed in a matrix. This is formed by a plastic mat with raised areas ( Fig. 1. No.4) which consists of truncated conical ( Fig. 1 No.3) or similar elevations with a height of typically 9mm and a diameter typically 10mm (base) 6mm (top) ( Fig. 1.1). These are designed to be pressure-resistant to form a resilient foundation. The heat exchanger pipes / hoses are embedded in the typically 8mm gaps. Other dimensions are also functionally appropriate. Installation is carried out in such a way that a homogeneous heat distribution is achieved. This is based on the common practice for heat exchanger surfaces in underfloor heating systems. Fig. 2) The construction is covered with a protective film (for example) ( Fig.1 No. 2) The heating carpet (heating mat for hot water heating) can be installed on almost any surface, both new and existing. No modification or alteration of the subfloor is necessary. (Fig.3)Scaling option

[0004] Installation, especially when retrofitting existing floor coverings, typically occurs only in partial areas of the floor (and possibly also in the walls or ceilings). The size is flexibly determined by the available floor space, the top carpet size (if applicable), and the required heat exchanger area. A design adapted to the floor area is also possible. Fig. 2) Smaller units can be combined into larger elements by plugging the connecting hoses / pipes. 08.4 Commissioning

[0005] Commissioning is very quick and easy, usually within an hour, by deployment (e.g. rolling out) and connection to the supply and return lines. 02.1Existing solutions02.1.1 Fin radiators etc.

[0006] The installation of surface heating (primarily low-temperature < 45* degrees C) in buildings is of great economic and environmental interest. Especially in older buildings, high-temperature heating systems with finned radiators are typically installed. When optimizing the heating system for energy-saving solutions such as heat pumps with low-temperature flow, the heat exchanger surface area must be: A) increase (up to doubling) or B) Increase the efficiency of existing radiators

[0007] ToA: Often the radiators are installed in structural niches that cannot be changed or where there is no space available for installation.

[0008] ToB: By installing fans to increase the flow and thus increase the heat transfer with the disadvantage of noise and a possibly disturbing air flow. 02.1.2 Surface heating

[0009] Underfloor heating systems are known that operate with hot water or with electrical energy, for example, with heating wires. The heating wires or hot water pipes or hoses are installed in the so-called "floating screed" during the construction of the building. Wall and ceiling installations in the plaster are also known. 02.1.2.1 Surface heating - retrofitting

[0010] Retrofit solutions for the described underfloor heating systems are commercially available. However, these are exclusively equipped with inflexible, high-rise support elements. Manipulation of the existing screed by milling grooves is also known.

[0011] Laying pipes, hoses, electrical conductors, or heating panels in the screed or upgrading the screed is costly, labor-intensive, and time-consuming. 02.1.2.2. Problems in adapting existing solutions

[0012] If underfloor heating is to be subsequently installed in a room of an existing building with existing screed, considerable difficulties and costs arise, as the required raising of the entire floor surface is not advantageous due to existing doors and the resulting thresholds to other rooms. This would have to be done, particularly in old buildings without underfloor heating, by dismantling the existing screed and installing a new screed with installed underfloor heating. This is extremely costly, creates high levels of dust and noise pollution, and limits the use of the room for the duration of the renovation. Likewise, the floor level typically rises by up to 7 cm, necessitating the adjustment of doors and the leveling of the floor throughout the entire floor. For the necessary adjustment of the slatted radiators to the conditions of the low water flow temperature, for example,There are disadvantages to using a heat pump. Increasing efficiency by increasing the fin area requires new radiators and remodeling the structural installation, or foregoing insulation of existing radiator recesses. When increasing efficiency by using electric fans to increase heat transfer performance, airflow in the room must be accepted, and insulation of the radiator recess must be omitted. 03 Advantages of surface heating

[0013] For heating rooms, underfloor or surface heating systems are particularly advantageous, especially low-temperature heating systems that operate with low water flow temperatures, typically 25–45 degrees Celsius, from heat pumps, for example. A heat transfer capacity of, for example, 100–200 watts per square meter is sensible and feasible. This requires tightly bundled heat exchanger hoses or pipes. The unique feature of the heated carpet installation is the flexible positioning of the heat exchangers without structural changes to the building, similar to the installation of a carpet or undercarpet. The stability of the component is necessary for safe footing and the ability to accommodate furniture and similar items. 0.6 Calculation (exemplary, approximate, not part of the protection claim) Flow cross-section, heat transfer flow resistance Example calculation hydraulics - thermodynamics Flow velocity v=Q / A A = pi × r 2 v: flow velocity Q: Volume flow A:Cross-sectional area Assumptions: Q 0.05 cubic meters per hour (m 3 / h) = 50 liters per hour (l / h) For a diameter of 6 mm, the following applies: pi × (0.003) 2 = 2.827 × 10 to the power of -5 m 2 Flow velocity (v) v=Q / A 0(50 l / h) / (2.827×10high−5m2)=0.49 m / s Flow resistance: delta P=f×(L / D)×((p×v2) / 2) delta P = pressure loss f = friction coefficient (assumption: 0.02) L= pipe length assuming 50m p (rho) = density of the fluid 1000kg / m 3 v= flow velocity 0.49 m / s D= diameter delta P = 20 000Pa = 20 kPa Heat emission from a plastic pipe h= heat transfer coefficient 500 W / (m 2 ×K) delta T = temperature difference - assumption: 35°C average heat transfer temperature 20°C ambient temperature A= surface area of ​​the pipe / hose 1.256 m 2 Q= heat emission Q=h×A×delta T Q=500(W / m2)

Claims

[1] 07.1 The heating carpet is characterized bythat a bundle of small diameter pipes or hoses, through which water or heat exchanger fluid flows, is embedded in a matrix made of plastic, metal, paper, wood or another suitable rigid or flexible material. The matrix is ​​formed by a mat or similar with elevations from which knobs or elevations arise, which are discreetly distributed across the plane and form the support structure. These knobs or elevations are designed to be pressure-stable and thus form a resilient basic framework for laying hoses or pipes in the spaces between the knobs (elevations). The knobs and elevations are designed in such a way that an adapted, stable foundation is formed depending on the desired load level (e.g. placement of furniture, walkable, etc.).This is achieved by choosing an adapted, stable knob (elevation) material and / or designing the knob elevations as a pressure-stable functional element by filling the knob (elevation) cavities with a pressure-stable material. The construction height is limited (typically 10mm) as floor covering, carpet or undercarpet without “tripping edge”. ( Fig. 1.1) The described construction becomes a self-contained functional unit by covering it with a foil or similar material, for example, with a decorative design element as a surface covering. This functional unit, "heating carpet," as a heat exchanger / heating element, can be installed on any existing surface: Concrete, screed, plaster, tiles, stone, wood, parquet, linoleum, vinyl, plastic, rubber, cork, fabric, felt, carpet, metal, and much more. No adjustment or modification of the subfloor is necessary. Installation, especially when retrofitting existing floor coverings, typically occurs only in partial areas of the floor (and possibly also in the walls or ceilings). The size is flexibly determined by the available floor space, the top carpet size (if applicable), and the calculated required heat exchanger area. A design adapted to the floor area is also possible. Fig. 2) Smaller units can be combined into larger elements by plugging the connecting hoses / pipes. Laying (covering) a standard carpet is possible but not necessary. Due to the typically low installation height, there are virtually no obstacles, such as tripping hazards. No installation or modification of existing structural features is necessary, except for the hydraulic connection. "Roll out, generate hydraulic connection - done." [2] The heating carpet is characterized byThe construction is also (typically) flexible. The use of a flexible mat and hoses allows the entire unit to be rolled up. This allows for transport in the rolled-up state using standard means of transport (car, van, truck, cargo bike). ( Fig. 4)

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