Lightning-protection heating ceramic tile

Abstract

A lightning-protection heating ceramic tile, comprising a ceramic tile layer (1) and an enclosure (5), wherein one side of the enclosure (5) is attached to the inner wall of the ceramic tile layer (1); and a metal plate protective layer (2) and an electrothermal film heating layer (3) are both arranged inside the enclosure (5), the metal plate protective layer (2) fits onto the inner wall of the ceramic tile layer (1), and the electrothermal film heating layer (3) fits onto the metal plate protective layer (2). The electrothermal film heating layer (3) comprises an electrothermal film (31), a first lightning-protection module (34) and a second lightning-protection module (35), wherein a live wire and a neutral wire connected to the electrothermal film (31) are electrically connected to the first lightning-protection module (34) and the second lightning-protection module (35), respectively; and the first lightning-protection module (34) and the second lightning-protection module (35) are electrically connected to the metal plate protective layer (2). By means of the first lightning-protection module (34) and the second lightning-protection module (35) made from varistors, and when an overload occurs and when there is an excessive input voltage at a power-input-end quick connector, the first lightning-protection module (34) and the second lightning-protection module (35) direct a current to the ground.

Description

Lightning-proof heating ceramic tile TECHNICAL FIELD

[0001] The utility model belongs to heating ceramic tile technical field especially relates to a lightning-proof heating ceramic tile. BACKGROUND

[0002] The heating film type electric heating ceramic tile sold on the market at present is all used for laying on the ground as the ground heating, is the heating product of single position laying area and close contact with the human body, does not set up safe and reliable lightning protection and grounding device, ignores the electrical safety in the long-term use of the product, such as: Chinese patent CN108590098A (a kind of high thermal conductivity and uniform heating electric heating ceramic tile and its manufacturing method), Chinese patent CN108505715A (a kind of high thermal conductivity and long service life electric heating ceramic tile, they all do not set up lightning protection and grounding device, as a long service life (more than 10 years), long continuous working time electric heating heating facility, lightning protection, anti-electric shock, anti-static should become the indispensable safety setting of close heating electric heating product. TECHNICAL PROBLEM

[0003] The utility model provides a lightning-proof heating ceramic tile, to solve the problem that the heating film type electric heating ceramic tile does not have lightning protection, anti-electric shock and anti-static ability. TECHNICAL SOLUTION

[0004] The utility model is realized in this way, a kind of lightning-proof heating ceramic tile, comprising:

[0005] Tile layer and shell, the shell side is equipped with open port, the shell is equipped with open port one side and is pasted in tile layer inner wall;

[0006] Metal sheet protection layer and electric heating film heating layer, the metal sheet protection layer and electric heating film heating layer are all located in the shell interior, the metal sheet protection layer is attached with tile layer inner wall, the electric heating film heating layer is attached with the end face of metal sheet protection layer away from tile layer;

[0007] Wherein, the electric heating film heating layer includes electric heating film, first lightning protection module and second lightning protection module, the firewire and zero line wire of access electric heating film are electrically connected with first lightning protection module and second lightning protection module respectively, first lightning protection module and second lightning protection module are connected with metal sheet protection layer by wire respectively, the metal sheet protection layer is connected with ground wire by wire.

[0008] Preferably, the metal sheet protection layer is flush with the open port.

[0009] Preferably, the tile layer includes ceramic tile and ceramic tile bottom surface heat conduction coating;The ceramic tile bottom surface heat conduction coating is coated on the inner wall of ceramic tile, and one side of the ceramic tile coated with the ceramic tile bottom surface heat conduction coating is connected with the metal sheet protection layer.

[0010] Preferably, the metal plate protective layer comprises a metal plate and a metal plate bottom heat-conducting coating, the metal plate bottom heat-conducting coating is coated on the side of the metal plate away from the ceramic tile, and the side of the metal plate coated with the metal plate bottom heat-conducting coating is in contact with the heating layer of the electric heating film.

[0011] Preferably, the metal plate is made of any one of galvanized steel plate, steel plate, stainless steel plate, aluminum plate and alloy plate.

[0012] Preferably, a heat radiation reflection layer is further arranged between the electric heating film and the shell, and the heat radiation reflection layer is in contact with the end surface of the electric heating film away from the metal plate protective layer.

[0013] Preferably, the electric heating film is any one of graphene electric heating film, carbon crystal electric heating film, metal wire electric heating film and carbon fiber electric heating film.

[0014] Preferably, the thickness of the metal plate is 0.2mm-2.0mm, and the surface resistance of the metal plate is less than 2Ω.

[0015] Preferably, the electric heating film is provided with a power input end quick connector and a power output end quick connector, the firewire of the power input end quick connector is connected to the first lightning protection module through a wire, and the zero wire of the power input end quick connector is connected to the second lightning protection module. Beneficial effects

[0016] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0017] 1. The lightning protection heating ceramic tile provided by the utility model adopts the first lightning protection module and the second lightning protection module made of a voltage-dependent resistor, when the input voltage of the power input end quick connector is too large when overload occurs, the first lightning protection module and the second lightning protection module guide the current to the metal plate protective layer, the metal plate protective layer is grounded, and the current can be guided to the ground for release, thereby improving the electrical safety of the lightning protection heating ceramic tile.

[0018] 2. The metal plate protective layer is arranged between the electric heating film heating layer and the ceramic tile layer, the metal plate protective layer can protect the electric heating film heating layer inside the metal plate protective layer; when the inner wall of the ceramic tile layer is cracked due to impact force on the outer wall of the ceramic tile layer, the fragments of the ceramic tile layer can avoid damaging the electric heating film heating layer, and the overall failure of the lightning protection heating ceramic tile can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structure schematic view of a lightning protection heating ceramic tile provided by the utility model.

[0020] Figure 2 is a schematic diagram of the metal plate protective layer and the electric heating film heating layer of a lightning protection heating ceramic tile provided by this utility model.

[0021] Figure 3 is a schematic diagram of the tile layer structure of a lightning protection heating tile provided by this utility model.

[0022] Figure 4 is a schematic diagram of the circuit connection of the live wire, neutral wire, first lightning protection module and second lightning protection module of a lightning protection heating ceramic tile provided by this utility model.

[0023] Figure 5 is a schematic diagram of the internal structure of a lightning-proof heating ceramic tile provided by this utility model.

[0024] Figure 6 is a schematic diagram of the power input quick connector and power output quick connector of a lightning protection heating ceramic tile provided by this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Ceramic tile layer; 11. Ceramic tile; 12. Thermally conductive coating on the bottom of the ceramic tile;

[0027] 2. Metal plate protective layer; 21. Metal plate; 22. Thermally conductive coating on the bottom surface of the metal plate;

[0028] 3. Heating film heating layer; 31. Heating film; 32. Power input quick connector; 33. Power output quick connector; 34. First surge protection module; 35. Second surge protection module;

[0029] 4. Thermal radiation reflective layer;

[0030] 5. Outer shell. Embodiments of the present invention

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0032] Reference to an "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0033] The utility model embodiment provides a kind of lightning protection heating tile, as shown in Figure 1-6, the lightning protection heating tile of the utility model comprises:

[0034] Tile layer 1 and shell 5, the shell 5 side is equipped with open port, the shell 5 is equipped with open port side and is attached to the inner wall of tile layer 1;

[0035] Metal sheet protective layer 2 and electric heating film heating layer 3, the metal sheet protective layer 2 and electric heating film heating layer 3 are all arranged in the inside of shell 5, the metal sheet protective layer 2 is flush with open port, and the metal sheet protective layer 2 is attached to the inner wall of tile layer 1, the electric heating film heating layer 3 is attached to the end face of metal sheet protective layer 2 away from tile layer 1;

[0036] Among them, the electric heating film heating layer 3 includes electric heating film 31, first lightning protection module 34 and second lightning protection module 35, the firewire and zero line wire of access electric heating film 31 are electrically connected with first lightning protection module 34 and second lightning protection module 35 respectively, first lightning protection module 34 and second lightning protection module 35 are connected with metal sheet protective layer 2 by wire respectively, and the metal sheet protective layer 2 is connected with ground wire by wire;

[0037] In the embodiment, the power input end quick connector 32 and power output end quick connector 33 equipped on the electric heating film 31, the power input end quick connector 32 is accessed electric heating film 31 by single-phase three-wire power line, the firewire of power input end quick connector 32 is accessed first lightning protection module 34 by wire, the zero line wire of power input end quick connector 32 is accessed second lightning protection module 35 by wire, first lightning protection module 34 and second lightning protection module 35 are connected with metal sheet protective layer 2 by wire respectively, and the metal sheet protective layer 2 is equipped with connecting wire and is connected with the ground wire of power input end quick connector 32 by connecting wire;The power output end quick connector 33 and the power input end quick connector 32 of another set of lightning protection heating tile are realized in series by wire, and the last group power output end quick connector is connected into a sealed waterproof flame-retardant insulating temperature-resistant terminator block, to ensure the safety of circuit;

[0038] The fire wire zero wire ground wire inside the shell 5 is connected through the wire corresponding to the output end quick connector 33 and the input end quick connector 32, and a plurality of lightning protection and heat generating ceramic tiles outside the shell 5 are connected in series to form a single-phase three-wire power transmission path. The fire wire of the electric heating film 31 is connected to the corresponding fire wire circuit and zero wire circuit of the input end quick connector 32. The fire wire of the electric heating film 31 is connected to the voltage of the power transmission path and returns to the zero wire to form a path. The existing circuit connection technology is used, and no detailed description is made.

[0039] The first lightning protection module 34 and the second lightning protection module 35 both use a pressure sensitive resistor as the main component or a pressure sensitive resistor and other auxiliary components to form a lightning protection module. When the input voltage of the input end quick connector 32 is too large, the first lightning protection module 34 and the second lightning protection module 35 guide the current to the metal plate protection layer 2, which is grounded. The metal plate protection layer 2 is connected to the ground wire of the input end quick connector 32 through the wire, and the current can be guided to the ground to release, thereby improving the electrical safety of the lightning protection and heat generating ceramic tile. The electric heating ceramic tile has the characteristics of lightning protection, leakage protection, static electricity protection, and high electrical safety.

[0040] In the embodiment, the metal plate protection layer 2 has another function. The metal plate protection layer 2 is arranged between the electric heating film heating layer 3 and the ceramic tile layer 1, and can protect the electric heating film heating layer 3 inside the metal plate protection layer 2. In the application, the outer wall of the ceramic tile layer 1 is the side facing the indoor, and the inner wall of the ceramic tile layer 1 is the side facing the ground, i.e. the side wall of the ceramic tile layer 1 contacting the metal plate protection layer 2. When the outer wall of the ceramic tile layer 1 is impacted and the inner wall of the ceramic tile layer 1 is cracked, the fragments of the ceramic tile layer 1 will not damage the electric heating film heating layer 3, and the lightning protection and heat generating ceramic tile will not be damaged.

[0041] As a preferred embodiment in the embodiment, the ceramic tile layer 1 includes a ceramic tile 11 and a ceramic tile bottom heat conducting coating 12. The ceramic tile bottom heat conducting coating 12 is coated on the inner wall of the ceramic tile 11, and the side of the ceramic tile 11 coated with the ceramic tile bottom heat conducting coating 12 is connected with the metal plate protection layer 2.

[0042] The metal plate protection layer 2 includes a metal plate 21 and a metal plate bottom heat conducting coating 22. The metal plate bottom heat conducting coating 22 is coated on the side of the metal plate 21 away from the ceramic tile 11, and the side of the metal plate 21 coated with the metal plate bottom heat conducting coating 22 is connected with the electric heating film heating layer 3.

[0043] In the embodiment, the metal plate bottom heat conducting coating 22 and the ceramic tile bottom heat conducting coating 12 use a coating with good insulation, waterproofness, heat conducting ability and strong adhesion.

[0044] The metal plate 21 is made of any one of galvanized steel plate, steel plate, stainless steel plate, aluminum plate, alloy plate, the thickness of the metal plate 21 is 0.2mm~2.0mm, and the surface resistance of the metal plate 21 is <2Ω; the heat-conducting coating 22 on the bottom surface of the metal plate and the heat-conducting coating 12 on the bottom surface of the ceramic tile improve the sound insulation, noise reduction, and heat preservation performance of the lightning protection heat-generating ceramic tile, and improve the thermal energy utilization efficiency;

[0045] As a preferred embodiment in the present embodiment, the electric heating film 31 is any one of graphene electric heating film, carbon crystal electric heating film, metal wire electric heating film, and carbon fiber electric heating film;

[0046] The heat radiation reflection layer 4 is further arranged between the electric heating film 31 and the shell 5, the heat radiation reflection layer 4 is arranged on the end surface of the electric heating film 31 away from the metal plate protective layer 2, and the heat radiation reflection layer 4 reduces the heat dissipation from the side of the electric heating film 31 away from the ceramic tile layer 1, so that the heat is concentrated to the outer wall of the ceramic tile layer 1;

[0047] The preparation method of the lightning protection electric heating ceramic tile comprises the following steps:

[0048] S1, heat-conducting coating preparation of the ceramic tile 11 and the metal plate 21

[0049] Prepare the ceramic tile 11, the metal plate 21, and the insulating heat-conducting coating, place the ceramic tile 11 and the metal plate 21 with the bottom surface (close to the surface of the metal plate 21) and the bottom surface (close to the surface of the electric heating film 31) upward, spray the bottom surface of the ceramic tile 11 and the bottom surface of the metal plate 21 with anhydrous cleaning agent, and then blow the bottom surface of the ceramic tile 11 and the bottom surface of the metal plate 21 with a high-pressure air spray gun, and then perform air dry cleaning, and then perform baking at a temperature of 80~100℃, and then place them at room temperature, and then spray the insulating heat-conducting coating on the bottom surface of the ceramic tile 11 and the bottom surface of the metal plate 21, and then place them in a baking room at a temperature of 100~120℃ for baking, so as to further obtain the ceramic tile 11 and the metal plate 21 with the insulating heat-conducting coating on the bottom surface, and complete the preparation of the heat-conducting coating 12 on the bottom surface of the ceramic tile and the heat-conducting coating 22 on the bottom surface of the metal plate;

[0050] S2, preparation of the metal plate protective layer 2, the electric heating film layer 3, the heat radiation reflection layer 4, and the lightning protection module

[0051] Prepare the electric heating film 31, the first lightning protection module 34, the second lightning protection module 35, and the heat radiation reflection film 4, place the metal plate 21 on the bottom layer, and place the electric heating film 31 and the heat radiation reflection film 4 on the side of the metal plate 21 with the heat-conducting coating 22 on the bottom surface upward;

[0052] Then further put the first lightning protection module 34 and the second lightning protection module 35 at the appropriate position of the heat radiation reflection layer 4 away from the end face of the electric heating film 31, connect each lightning protection module with the fire wire, the first lightning protection module 34 is connected with the fire wire of the power input end quick connector 32 through the wire, the second lightning protection module 35 is connected with the zero wire of the power input end quick connector 32 through the wire, the ground wire of the first lightning protection module 34 and the second lightning protection module 35 and the ground wire of the power are welded on the metal plate 21, the connecting point and the power wire access point of the electric heating film, the connecting point of the lightning protection module lead wire and the fire wire and the zero wire are all sealed with the flame-retardant temperature-resistant waterproof insulation glue, further, the edge of each layer is sealed with the flame-retardant temperature-resistant waterproof insulation glue, so that the metal plate protection layer 2, the electric heating film heating layer 3, the heat radiation reflection layer 4, the first lightning protection module 34 and the second lightning protection module 35 form a component;

[0053] S3, the tile is combined with the component

[0054] The tile 11 prepared in S1 is combined with the component prepared in S2, the coated tile is placed in the order from bottom to top, the end face of the tile 11 provided with the tile bottom heat conducting coating 12 faces upward, then the component prepared in S2 is placed on it in alignment, the metal plate protection layer 2 is tightly attached to the coating surface of the tile 11, the flame-retardant temperature-resistant insulation waterproof adhesive is pasted and sealed around the edge, thus a functional component main body is obtained;

[0055] S4, the functional component main body is pressed with the flame-retardant waterproof insulation shell

[0056] The functional component main body prepared in S3 is placed in the foamed steel mold, the outer wall of the tile 11 faces downward, the power input end quick connector 32 and the power output end quick connector 33 are pulled out to the outside of the mold through the wire grooves arranged in the mold, then the flame-retardant waterproof heat preservation insulation material is injected into the mold, the mold cover is closed, after the foaming is completed, the foamed steel mold is taken out, thus a lightning protection and leakage protection electric heating tile with flame-retardant waterproof heat preservation is obtained.

[0057] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other order or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0058] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A lightning protection heatproof ceramic tile, characterized by, The application relates to a ceramic tile layer (1) and a shell (5) provided with an open port on one side, wherein the inner wall of the ceramic tile layer (1) is attached to the side of the shell (5) provided with the open port; a metal plate protection layer (2) and an electric heating film heating layer (3) are arranged in the shell (5), the metal plate protection layer (2) is attached to the inner wall of the ceramic tile layer (1), and the electric heating film heating layer (3) is attached to the end face of the metal plate protection layer (2) away from the ceramic tile layer (1); the electric heating film heating layer (3) comprises an electric heating film (31), a first lightning protection module (34) and a second lightning protection module (35), the live wire and the zero wire connected to the electric heating film (31) are electrically connected to the first lightning protection module (34) and the second lightning protection module (35) respectively, the first lightning protection module (34) and the second lightning protection module (35) are connected to the metal plate protection layer (2) through wires, and the metal plate protection layer (2) is connected to the ground wire through wires. The metal plate protection layer (2) is flush with the open port. The ceramic tile layer (1) comprises ceramic tiles (11) and a ceramic tile bottom heat-conducting coating (12), the ceramic tile bottom heat-conducting coating (12) is coated on the inner wall of the ceramic tiles (11), and the side of the ceramic tiles (11) coated with the ceramic tile bottom heat-conducting coating (12) is connected to the metal plate protection layer (2). The metal plate protection layer (2) comprises a metal plate (21) and a metal plate bottom heat-conducting coating (22), the metal plate bottom heat-conducting coating (22) is coated on the side of the metal plate (21) away from the ceramic tiles (11), and the side of the metal plate (21) coated with the metal plate bottom heat-conducting coating (22) is connected to the electric heating film heating layer (3).

2. The lightning protection heat-generating tile according to claim 1, characterized in that, The metal plate (21) is made of any one of galvanized steel plate, steel plate, stainless steel plate, aluminum plate and alloy plate.

3. The lightning protection heat-generating tile according to claim 2, characterized in that, A heat radiation reflection layer (4) is arranged between the electric heating film (31) and the shell (5), and the heat radiation reflection layer (4) is connected to the end face of the electric heating film (31) away from the metal plate protection layer (2).

4. The lightning protection heat-generating tile according to claim 3, characterized in that, The electric heating film (31) is any one of graphene electric heating film, carbon crystal electric heating film, metal wire electric heating film and carbon fiber electric heating film.

5. The lightning protection heat-generating tile according to claim 4, characterized in that, The thickness of the metal plate (21) is 0.2mm-2.0mm, and the surface resistance of the metal plate (21) is less than 2 ohms.

6. A lightning protection heat-generating tile according to claim 5, characterized in that, A power input end quick connector (32) and a power output end quick connector (33) are arranged on the electric heating film (31), the live wire of the power input end quick connector (32) is connected to the first lightning protection module (34) through a wire, and the zero wire of the power input end quick connector (32) is connected to the second lightning protection module (35).

7. A lightning protection heat-generating tile according to claim 6, characterized in that, ​ 8. The lightning protection heat-generating tile according to claim 7, characterized in that, ​ 9. A lightning protection heat-generating tile according to claim 8, characterized in that, ​

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