WO2018188015A1 - Radiant floor heating module - Google Patents

Abstract

A radiant floor heating module, comprising a set of keels (2), a set of metal profiles (5), and heating pipes (4). The metal profiles (5) are laid above the keels (2); the heating pipes (4) run through the keels (2); the metal profiles (5) have upper cavities (6); the keels (2) and a ground (1) form lower cavities (7); and the upper cavities (6) and the lower cavities ( 7) are connected with each other, and air flows in the upper cavities (6) and the lower cavities (7) so that heat can be conducted to the metal profiles (5) by means of the air. The radiant floor heating module transfers heat uniformly and has high heat transfer efficiency.

Description

Dry floor heating module Technical field

The invention relates to a dry floor heating module, in particular to a dynamic air circulation type floor heating module with uniform heat conduction, high thermal efficiency and easy maintenance.

Background technique

Floor heating is the abbreviation of floor radiant heating. It uses the whole ground as a radiator. Through the heat medium in the floor radiant layer, it evenly heats the whole ground, and uses the ground's own heat storage and heat upward radiation to conduct from bottom to top. The purpose of heating. At present, the more mature installation process of floor heating is divided into wet floor heating and dry floor heating.

The wet floor heating market has a market share of more than 80%. It refers to the use of concrete to enclose the hot water supply pipes, and then lay the floor materials such as ceramic tiles on the concrete layer, which is the leading process in the domestic floor heating market. It is mostly multi-layer on-site composite, and the surface layer is poured with sandstone concrete as the load-bearing and heat-transfer medium. The construction is extremely cumbersome, the energy consumption is high, the thermal effect time is long, and the maintenance is extremely troublesome.

The existing dry floor heating device generally comprises a heat conducting layer and a heat insulating layer, and the heat conducting layer and the heat insulating layer are fixedly connected, and the heat conducting layer and the heat insulating layer are respectively provided with a floor heating coil groove, and the floor heating coil groove is generally semicircular arc shape. The floor is laid directly on the heat conductive layer. However, the traditional dry floor heating adopts a modular structure, and the thermal inertia is poor, which is prone to uneven heat dissipation. As shown in FIG. 1 , the air-insulated quick-heat floor heating floor disclosed in the prior art comprises a wooden floor 01 and a metal sandwich plate 02 located under the wooden floor, and the metal sandwich plate 02 is provided with a heating space 03 and a metal interlayer. Two horizontal mounting plates 04 are disposed at substantially the middle portion of each of the heat generating spaces 03 in the upper and lower directions in the plate 02. The two mounting plates 04 are respectively disposed in the heat generating space 03 at positions close to both sides, and two of the electric heating bodies 06 The side plates 05 are respectively mounted on the side, and the two side plates 05 are respectively placed on the two mounting plates 04. The mounting plate 04 is integrally formed with the metal sandwich plate 02, and the upper panel of the metal sandwich plate 02 is located above the heating space 03. A portion of the upper panel between the two mounting plates 04 is recessed to form a recess, and an outer bottom surface of the upper panel below the recess is located above the electric heating body 06 and is adjacent to the electric heating body. The recess is filled with a thermal conductive adhesive, and the upper surface of the thermal conductive adhesive It is in close contact with the lower surface of the wooden floor 01.

In the above dry floor heating device, there may be one or more heat generating spaces in each floor heating floor, and a mounting plate is added in the heat generating space, and the electric heating body is installed on the upper part of the heat generating space to be close to the lower surface of the wooden floor. The lower part forms a static air layer. However, in the above-mentioned dry floor heating device, the side plate 05 may be made of a material having a low thermal conductivity such as wood or plastic, and the air between the metal sandwich plate 02, the heat generating space 03, and the mounting plate 04 cannot circulate, especially when the side When the thermal conductivity of the side plate 05 is low, the heat transfer efficiency is greatly reduced, and the phenomenon of uneven heat transfer is extremely remarkable.

In view of the above, how to design a new dry floor heating and heat-efficient floor heating floor assembly to eliminate the above-mentioned defects and deficiencies in the prior art is an urgent problem to be solved by those skilled in the art.

Summary of the invention

In order to overcome the technical problem of floor heating in the prior art, the present invention provides a floor heating module with uniform heat conduction, high thermal efficiency and energy saving.

In order to achieve the above object, the present invention discloses a dry floor heating module, the dry floor heating module includes a set of keels, a set of metal profiles, and a heat supply pipe, and the metal profiles are laid on the keel. The heating pipe runs through the keel, and the dry floor heating module is thermally conducted to the metal profile by air, the metal profile forms an upper cavity, and the keel and the ground form a lower cavity, The upper cavity and the lower cavity penetrate each other, and the air circulates in the upper cavity and the lower cavity.

Preferably, the material of the keel is metal.

Preferably, the keel is a profile.

Preferably, the keel has a notch or a through hole through which the heating pipe passes.

Preferably, there is a gasket between the keel and the ground for adjusting the height of the keel.

Preferably, the metal profile has an inverted U-shaped configuration.

Preferably, the heating pipe supplies heat by any of the following: water, electricity, and gas.

Preferably, the dry floor heating module further has a heat reflecting layer, the heat reflecting layer is laid on the keel, and the heating pipe is located between the heat reflecting layer and the metal profile.

Preferably, the metal profile is a floor layer.

Preferably, the dry floor heating module further comprises a floor layer, the floor layer being placed on the metal profile.

Preferably, the keel and the metal profile are perpendicular to each other.

Preferably, after the laying is completed, the dry floor heating module and the wall body are matched to each other to form a closed space.

Compared with the prior art, the technical solution provided by the present invention has the following advantages:

1. The dry floor heating module provided by the invention adopts air as a heat transfer medium as a whole, has uniform heat transfer and low heat loss;

2. The dry floor heating module provided by the invention has large heat exchange area, high heat exchange efficiency, and low energy lost during heat transfer;

3. The metal profile provided by the invention can be reused, easy to repair and easy to replace;

4. The dry floor heating module provided by the invention can be adapted to the current common household heating equipment (such as electric water heater, gas water heater, electric boiler, ground source heat pump system), and has strong applicability;

5. The dry floor heating module provided by the invention adopts metal components, is moisture-proof, anti-corrosion and insect-proof, and has a long service life;

6. The dry floor heating module provided by the invention has good insulation and high safety factor.

DRAWINGS

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

1 is a schematic view of a dry floor heating structure of the prior art;

2 is a front view of a dry floor heating module provided by the present invention;

3 is a perspective view 1 of the dry floor heating module provided by the present invention;

4 is a perspective view 2 of the dry floor heating module provided by the present invention;

Figure 5 is a gas flow diagram of the dry floor heating module provided by the present invention;

Figure 6 is a schematic view of a customized keel of different heights provided by the present invention;

Figure 7 is a schematic view of a gasket provided by the present invention;

FIG. 8 is a schematic view showing the dry floor heating module and the wall forming an enclosed space provided by the present invention.

detailed description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the invention should be understood as It is not limited to such an embodiment described below, and the technical idea of the present invention can be implemented in combination with other well-known technologies or other technologies having the same functions as those of the known art.

In the following description of the specific embodiments, in order to clearly illustrate the structure and the mode of operation of the present invention, it will be described by a plurality of directional words, but should be "front", "back", "left", "right", "outside" Words such as "inner", "outward", "inward", "axial", "radial" and the like are understood to be convenience words and should not be construed as limiting words. Among them, the qualifiers of "one" in "a set of metal profiles" and "a set of keels" appearing in this article are not meant to limit the quantity. The dry floor heating module is composed of several sets of metal profiles and several sets of keels. Composition.

Specific embodiments of the present invention are described in detail below with reference to Figures 2-8.

As shown in FIG. 2-4, respectively, a front view, a perspective view, and a perspective view of a dry floor heating module provided by the present invention include a set of keels 2, a heat reflecting layer 3, a heat supply pipe 4, and a set of metal profiles 5 The heating pipe 4 runs through the keel 2, the metal profile 5 has an upper cavity 6, and the keel 2 forms a lower cavity 7 with the ground 1, and communicates with the lower cavity 7 through the upper cavity 6 and the set of metal profiles 5 It is installed in cooperation with the group of keel 2.

In the present invention, the metal profile 5 is an object having a certain geometric shape and having an air circulation space made by a process such as rolling, extrusion, casting, or the like. The metal profile 5 can be made of materials commonly used in the art including, but not limited to, aluminum, stainless steel, and the like. In the present invention, the metal profile 5 may have a structure having two bent faces and having an inverted U-shape. In addition, the metal profile 5 may also be in the shape of a "mouth" and have a through-hole structure for achieving air circulation between the upper cavity 6 and the lower cavity 7 to further realize the heated gas passing through the circulation. The heat of the heating pipe 4 is transmitted to the metal profile 5, wherein the through hole may be opened on the lower bottom surface of the "mouth" shape, that is, the metal profile 5 is close to the side of the keel 2, and the through hole may be simultaneously opened. On both sides and the bottom surface of the "mouth" shape. That is, the metal profile 5 provided by the present invention is a non-closed structure in which a gas can flow in.

Preferably, the metal profile 5 can be used directly as a metal floor, that is, the metal profile 5 is a floor layer, and can also be covered with a floor layer commonly used in the art, and the material of the floor layer includes but is not limited to marble, ceramic tile, wooden floor, etc. .

In a preferred embodiment, the metal profile 5 is a floor layer, so that the dry floor heating module has a simple overall structure and fewer components, thereby reducing unnecessary heat energy loss, significantly improving the utilization of heat energy, and Compared with other materials, metal materials transfer heat quickly. In addition, the invention further ingeniously combines the metal profile with the metal keel. The design has the following advantages: 1. The metal profile and the metal keel have strong support strength, and the combination of the two significantly improves the overall Dry floor heating module The stability is 2; compared with the traditional floor heating module material, such as wood, metal material is applied to the keel 2 and the floor layer (ie metal profile 5), the metal material has the technical advantages of moisture proof, antisepsis and insect proof; 3, metal The material has the technical advantage of fast heat transfer speed. Therefore, both the keel 2 and the metal profile 5 have a relatively fast heat transfer speed; 4. The dry floor heating module provided by the invention has a simple structure and few parts, and the like. The keel 2 and the metal profile 5 are the most important components of the dry floor heating module provided by the present invention, and both of them adopt a metal material with a fast heat transfer speed, which greatly improves the overall heat transfer of the dry floor heating module. speed. Furthermore, the surface of the metal profile 5 as a floor layer can also be treated by a person skilled in the art, such as a surface decorative treatment. The dry floor heating module of the invention has a simple and compact structure, and does not need to additionally add other heat transfer components (such as a module for laying a heating pipe in a conventional dry floor heating), and the heat transfer efficiency is greatly improved, and the cost is reduced.

The metal profile 5 provided by the present invention is a floor layer and the keel 2 is made of a metal material. According to experimental analysis, the technical solution in this embodiment is similar to the existing dry floor heating module. Or the water vapor as the heat source, and the floor layer has the same temperature, the dry floor heating module provided by the invention saves 30% of the pipe amount, and the heat supply per second is saved by more than 25%, and the heat supply is water flow. The flow rate is a calculation standard.

As shown in Fig. 4, the keel 2 is a building material for supporting a shape and a fixed structure. Each keel 2 has one or more (eg, 2, 3, 4, etc.) through holes (also referred to as "notches") 8 through which the heat pipes 4 pass through the keels 2 The shape of the through hole 8 includes, but is not limited to, a circular shape, an elliptical shape, a rectangular shape, and the like to ensure that the heat supply pipe 4 passes through. The through hole 8 can also be a notch. In this embodiment, the notch structure design close to the ground is more advantageous for the passage of the heat supply pipe 4 composed of a harder material. Those skilled in the art will appreciate that the through hole 8 can also be used to lay pipelines, including but not limited to wires, water lines, network wires, and the like.

The metal profile 5 and the keel 2 communicate with each other through the upper cavity 6 and the lower cavity 7, and those skilled in the art should be aware that the above limitation of the positional relationship between the metal profile 5 and the keel 2 can be placed at a certain angle, most preferably Ground, as shown in FIG. 4, the axes of the metal profile 5 and the keel 2 are perpendicular to each other and are staggered. The dry floor heating module provided by the present invention is composed of a plurality of sets of metal profiles 5 and a plurality of sets of keels 2, and each set of metal profiles 5 may be arranged in parallel with each other, or may be an interlaced row at an angle. Cloth way. Similarly, the keels 2 of each group may be arranged in parallel with each other or in a staggered arrangement at an angle.

As shown in FIG. 6, one of ordinary skill in the art can select a custom keel 2 of different heights. It is convenient to lay the leveling on the ground foundation of different heights (as shown in Figure 6, the dotted line indicates the level after leveling).

Preferably, the upper cavity 6 is a three-sided cavity formed by the whole of the individual metal profiles 5, and in actual use, the two ends of the metal profile 5 are generally blocked by walls or other objects; the lower cavity 7 It is a three-sided cavity composed of two adjacent keels 2 and the ground 1. At the same time, in the corner zone, the keel 2, the ground 1, and the wall form a three-sided cavity, and the three-sided cavity also belongs to the lower cavity 7. Similarly, in actual use, the ends of the keel 2 are generally blocked by walls or other objects. FIG. 8 is a schematic view showing the dry floor heating module provided by the present invention and the wall or other objects matching each other to form a closed space after the laying is completed. It should be pointed out that the enclosed space is relatively closed and not absolutely closed.

When the heating pipe 4 starts to supply heat, the gas in the lower cavity 7 is first heated, and further, since the upper cavity 6 and the lower cavity 7 penetrate each other, the heated gas in the lower cavity 7 flows into the upper cavity 6. The heated gas in the upper chamber 6 is further transferred to the metal profile 5. The heat transfer in the upper cavity 6 and the lower cavity 7 is transferred to the metal profile 5, so that the heating surface of the metal profile 5 is increased, the heat is heated faster, and the metal profile 5 is more uniformly heated, and the gas flow direction can be referred to FIG. FIG. 5 illustrates a preferred gas flow direction of the dry floor heating module provided by the present invention.

Preferably, as shown in FIG. 2, the keel 2 has a "several" shape with a self-contained cavity 9. It should be understood by those skilled in the art that the self-contained cavity 9 can also be used for laying pipelines or devices, including but not Limited to wires, water lines, network cables, etc.

Preferably, the central axis of the through hole 8 is perpendicular to the central axis of the upper cavity 6.

Preferably, as shown in FIG. 7, a spacer 9 may be disposed between the ground 1 and each keel 2, and the spacer 9 can raise the concave surface to ensure that the upper surface of each keel 2 is horizontal without additional need for the ground. Cement is applied to achieve leveling. In actual use, the floor of the house is mostly uneven, and when the cement is additionally applied on the ground to realize the cost of the leveling, the local height is adjusted by the gasket according to the prior art, and the time is saved. Work cost reduction.

Preferably, the heating pipe 4 is not in direct contact with the metal profile 5, thereby forming a sufficient space for air to circulate, ensuring uniformity of heat transfer.

In the present invention, the manner of bypassing the heat supply tube 4 is not particularly limited, and it is preferable to pass through the through hole 8 in an S-shaped manner. A person of ordinary skill in the art can realize various bypass modes of the heating pipe 4 by opening the through hole 8 at a corresponding position of the keel 2 according to actual needs, such as realizing that the heating pipe 4 is "back". The manner of bypassing the glyph, or the way of winding the heating pipe in an "S" shape, etc., FIG. 4 shows a preferred bypass of the heating pipe 4 of the dry floor heating module provided by the present invention. the way.

Preferably, the heat reflecting layer 3 is laid on the keel 2, and the heat supplying tube 4 penetrates between the heat reflecting layer 3 and the metal profile 5, shortening the heat reflecting path and improving heat transfer efficiency. The heat reflecting layer 3 may be a solar film (ie, a heat insulating film) or a floor heating PAP (aluminum plastic material) emitting film, which is not specifically limited in the present invention.

Preferably, the heat reflecting layer 3 is not in contact with the ground 1, which reduces the heat circulation space and improves the heat transfer efficiency. It should be noted that, in actual use, the user can select different heights of the keel 2 according to actual needs, combined with different ground heights to achieve the same height level of the dry floor heating module, and the user can also according to actual needs. The distance between the different keels 2 is set, which may be evenly distributed or non-uniformly distributed. In addition, a set of metal profiles located above the keel 2, the set of metal profiles 5 may be a combination of metal profiles 5 having the same size, or a combination of metal profiles 5 having different sizes, for example, in the group of 5 metal profiles, The metal profiles 5 have the same height but different length and width (horizontal direction) dimensions.

According to the dry floor heating module provided by the present invention, the upper cavity and the lower cavity are in communication with each other, and the air flows through the entire upper cavity and the lower cavity. Compared with the prior art, on the one hand, there is no air that cannot be reached. The heat transfer dead angle, on the other hand, the heat pipe directly transfers heat to the metal profile through the air, the heat transfer is uniform, and the heat loss is low.

At the same time, the dry floor heating module provided by the invention has a simple structure, small component parts, and other devices can be added in the vacant area, which can improve the space utilization rate of the floor heating layer.

Air is used as the heat transfer medium, and the hot water supply pipe and the floor heating module have sufficient surface contact, the heat exchange area is large, the heat exchange efficiency is significantly increased, and the energy lost during the transfer of heat energy is low, compared with the conventional one. Dry floor heating has high heat transfer efficiency, which prevents uneven heat transfer and greatly reduces production costs.

In addition, in the floor heating module of the present invention, since no redundant fastening devices are provided between the metal profiles, a fastener is disposed at the extreme end of the metal profiles arranged side by side, and the metal profiles are simply spliced and the pressing effect is good. . When there is a problem with the local heating module, you can quickly find the inspection points by simply removing the fasteners at the end. The metal plates can be reused for environmental protection. Since the metal profiles are independent of each other, they can be replaced separately, which is quick and convenient, and the cost is reduced.

Unless otherwise stated, the qualifiers similar to "first" and "second" appearing in this document do not refer to the limitation of chronological order, quantity, or importance, but merely to be a technique in the technical solution. Features are distinguished from another technical feature. Similarly, the qualifiers similar to "one" appearing herein are not intended to limit the quantity, but rather to describe the technical features that have not appeared in the foregoing. Similarly, modifiers such as "about" and "approximately" which are used in the context of the word "a" or "an" Similarly, unless a noun is modified by a particular quantity, it should be considered as including the singular and the plural. In the technical solution, the singular number of the technical features may be included, and the plural may also be included. Technical characteristics.

The description of the present invention is only a preferred embodiment of the present invention, and the above embodiments are merely illustrative of the technical solutions of the present invention and are not intended to limit the present invention. Any technical solution that can be obtained by a person skilled in the art according to the concept of the present invention by logic analysis, reasoning or limited experimentation should be within the scope of the present invention.

Industrial applicability

The dry floor heating module provided by the invention adopts air as an integral heat transfer medium, has uniform heat transfer, large heat exchange area, fast heat transfer speed, and low heat energy loss during heat transfer. In addition, the dry floor heating module can simultaneously adopt metal profiles and metal keels, moisture-proof, anti-corrosion and insect-proof, long service life, excellent thermal conductivity of metal, and further improve heat transfer speed and heat energy utilization. At the same time, the metal profiles can be reused, easy to repair, easy to replace, and simple in structure.

Claims (12)

A dry floor heating module, characterized in that the dry floor heating module comprises a set of keels, a set of metal profiles and a heat supply pipe, the metal profiles are laid on the keel, and the heating pipes run through Between the keels, the dry floor heating module is thermally conducted to the metal profile by air, the metal profile forming an upper cavity, the keel forming a lower cavity with the ground, the upper cavity and the upper cavity The lower chambers penetrate each other, and the air circulates in the upper chamber and the lower chamber. The dry floor heating module according to claim 1, wherein the keel is made of metal. The dry floor heating module of claim 1 wherein said keel is a profile. The dry floor heating module according to claim 1, wherein the keel has a notch or a through hole, and the heating pipe passes through the notch or the through hole. The dry floor heating module of claim 1 wherein there is a gasket between the keel and the ground for adjusting the height of the keel. The dry floor heating module of claim 1 wherein said metal profile has an inverted U-shaped configuration. The dry floor heating module according to claim 1, wherein the heating pipe supplies heat by any one of the following: water, electricity, and gas. The dry floor heating module of claim 1 , wherein the dry floor heating module further has a heat reflecting layer, the heat reflecting layer is laid on the keel, and the heating pipe is located at the Between the heat reflecting layer and the metal profile. The dry floor heating module of claim 1 wherein said metal profile is a floor layer. The dry floor heating module of claim 1 wherein said dry floor heating module further comprises a floor layer, said floor layer being disposed on said metal profile. The dry floor heating module of claim 1 wherein said keel and said metal profile are perpendicular to one another. The dry floor heating module according to claim 1, wherein after the laying is completed, the dry floor heating module and the wall body are matched to each other to form a closed space.

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