Heating film, seat ring and closestool

Abstract

The utility model discloses a heating film which comprises a first temperature-resistant insulating film layer, a second temperature-resistant insulating film layer and a heating wire, the second temperature-resistant insulating film layer covers and is connected with the first temperature-resistant insulating film layer, the heating wire is arranged between the first temperature-resistant insulating film layer and the second temperature-resistant insulating film layer, and the heating wire is arranged in a snake shape. The diameter of the heating wire can be set to be small, so that the heating wire can be bent conveniently, the heating wire can be set to be in a compact snake shape, heating is more uniform, the first temperature-resistant insulating film layer and the second temperature-resistant insulating film layer can insulate the heating wire, and the single film layer is small in resistance to the heating wire, high in heat transfer efficiency and resistant to high temperature. And the overall product cost can be reduced. The utility model further discloses a seat ring and a closestool comprising the heating film.

Description

Technical Field

[0001] The utility model relates to the technical field related to sanitary equipment, and in particular to a heating film, a seat ring and a toilet. Background Art

[0002] As we all know, the seat of an electric smart toilet generally has a heating function, which can improve the user's comfort. In the prior art, the heating component is generally made by sticking a heating wire on an aluminum foil, and then the aluminum foil is attached to the seat to heat the seat. Therefore, an insulating layer needs to be provided for the exposed heating wire, which increases the diameter of the heating wire and reduces the heat transfer efficiency. Moreover, after the diameter of the heating wire increases, it is not easy to bend, and it is not conducive to densely laying it on the aluminum foil, which leads to uneven heating of the seat. In addition, the existing heating components also have the problem of low temperature resistance. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a heating film that can solve the problems of low heat transfer efficiency, uneven heating and low temperature resistance.

[0004] According to the first aspect of the present invention, the heating film includes: a first temperature-resistant insulating film layer, a second temperature-resistant insulating film layer and a heating wire, the second temperature-resistant insulating film layer covers and is connected to the first temperature-resistant insulating film layer, the heating wire is arranged between the first temperature-resistant insulating film layer and the second temperature-resistant insulating film layer, and the heating wire is arranged in a snake shape.

[0005] The heating film according to the embodiment of the utility model has at least the following beneficial effects: the diameter of the heating wire can be set to be relatively small, so that it can be convenient to bend, and then the heating wire can be set to a tight snake shape, and the heat is more uniform, and the first temperature-resistant insulating film layer and the second temperature-resistant insulating film layer can insulate the heating wire, and the single film layer has little barrier to the heating wire and high heat transfer efficiency.

[0006] According to some embodiments of the present invention, the first heat-resistant insulating film layer and the second heat-resistant insulating film layer are both PET films or PVC films or acetate tapes or imide films.

[0007] According to some embodiments of the present invention, the heating wire has a diameter of 0.03 mm-0.5 mm.

[0008] According to some embodiments of the present invention, the heating wire includes a plurality of straight segments and a plurality of curved segments arranged in parallel at intervals, the curved segments are connected to the straight segments to make the heating wire present a snake shape, and the spacing between the straight segments is D, D=3mm-15mm.

[0009] According to some embodiments of the present invention, the thickness of the first heat-resistant insulating film layer and the second heat-resistant insulating film layer are both 0.075 mm-0.3 mm.

[0010] According to some embodiments of the present invention, a mounting adhesive layer is provided on the side of the first heat-resistant insulating film layer or the second heat-resistant insulating film layer away from the heating wire, and a surface of the mounting adhesive layer is covered with release paper.

[0011] According to some embodiments of the utility model, a connecting adhesive layer is provided on the side of the first heat-resistant insulating film layer and / or the second heat-resistant insulating film layer close to the heating wire, so that the first heat-resistant insulating film layer and the second heat-resistant insulating film layer are bonded to each other, and the heating wire can be bonded between the first heat-resistant insulating film layer and the second heat-resistant insulating film layer.

[0012] The seat ring according to the second aspect of the embodiment of the utility model includes a seat ring using the above-mentioned heating film.

[0013] The heating film according to the embodiment of the utility model has at least the following beneficial effects: by adopting the above-mentioned heating film, the seat ring can be safer and less prone to leakage when in use, and the heating film heats evenly, making the heating of the seat ring more uniform, and the heating film has high heat transfer efficiency, thereby making the seat ring heat up quickly and the user more comfortable.

[0014] According to some embodiments of the present invention, the heating film is arranged inside the seat ring, and the heating film and the seat ring are integrally formed by injection molding.

[0015] A toilet according to an embodiment of the third aspect of the utility model includes a toilet using the above-mentioned heating film.

[0016] The toilet according to the embodiment of the utility model has at least the following beneficial effects: by adopting the above-mentioned heating film, the toilet can be made safer and less prone to leakage when in use, and the heating film generates heat evenly and has high heat transfer efficiency, so that when the user uses the toilet, the sitting temperature feels more uniform and heats up faster.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the arrangement of the heating wire in the embodiment of the utility model;

[0020] Figure 2 Cross-sectional views of some embodiments of the heating film.

[0021] Reference numerals:

[0022] A first temperature-resistant insulating film layer 100;

[0023] A second temperature-resistant insulating film layer 200;

[0024] Heating wire 300, straight section 310, curved section 320;

[0025] Installing adhesive layer 410 and release paper 420;

[0026] The adhesive layer 500 is connected. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Reference Figure 1 and Figure 2According to the first aspect of the present invention, the heating film includes a first heat-resistant insulating film layer 100, a second heat-resistant insulating film layer 200 and a heating wire 300. The second heat-resistant insulating film layer 200 covers and connects to the first heat-resistant insulating film layer 100. The heating wire 300 is arranged between the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200, and the heating wire 300 is arranged in a snake shape. The diameter of the heating wire 300 can be set relatively small, so that it can be easily bent, and then the heating wire 300 can be set to a tight snake shape, and the heat is more uniform. The first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 can insulate the heating wire 300, and the single film layer has little barrier to the heating wire 300, and the heat transfer efficiency is high.

[0031] Specifically, the heating film can be set to a shape that is compatible with the toilet seat, and the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 have the same shape, so that the second heat-resistant insulating film layer 200 completely covers the first heat-resistant insulating film layer 100. Before the covering connection, the heating wire 300 can be set on the first heat-resistant insulating film layer 100. The heating wire 300 can be made of an electric heating alloy or a resistance wire. The heating wire 300 can generate heat by passing electricity, and the material of the heating wire 300 is not specifically limited. The heating wire 300 can be bent into a dense snake shape on the first heat-resistant insulating film layer 100 by a bending device. After the heating wire 300 is set, the second heat-resistant insulating film layer 200 is covered and connected so that the heating wire 300 can be between the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200. Since the seat ring does not generate much heat, the heating wire 300 can be set thinner, which is convenient for bending. Secondly, since the number of film layers is reduced, the heating efficiency is high and the heating wire does not need to be set thicker. The two film layers cover and wrap the heating wire 300, which can reduce the risk of leakage, has good safety, and generates heat more evenly, heats up quickly, has high temperature resistance, and provides high user comfort.

[0032] It is understandable that an avoidance hole for accommodating a gravity sensor can be provided on the heating film. Generally, the seat ring of a smart toilet has a gravity sensing function, and a gravity sensor needs to be provided. The gravity sensor can be provided in the avoidance hole. Therefore, the heating wire 300 also needs to be provided around the avoidance hole to facilitate the subsequent assembly of the sensor.

[0033] In some embodiments of the present invention, the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 are both PET films. PET films have good mechanical properties and high temperature resistance, can improve the safety of the heating film, can be installed on the seat ring by injection molding, and have high heat transfer efficiency when used.

[0034] Specifically, the PET film has good air tightness, strong toughness, and is not easy to be damaged. As the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200, it can protect the heating wire 300 well, isolate the entry of water vapor, reduce the occurrence of leakage and short circuit, and has high safety. In addition, the PET film has the characteristic of high temperature resistance, and can withstand a maximum temperature of 220 degrees Celsius. Therefore, using PET film as the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 can make the heating film withstand the high temperature during injection molding, so that the heating film can be injection-molded integrally with the seat ring, so that the heating film can fit the seat ring more closely, which can improve the heat transfer efficiency, and has better sealing, and the heating film is not easy to be damaged.

[0035] It should be noted that the material of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 is not limited to the above embodiments, and other embodiments may also be used. For example, the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 may also be made of PVC film, acetate tape or imide film.

[0036] In some embodiments of the present invention, the diameter of the heating wire 300 is 0.03 mm to 0.5 mm. With a thinner heating wire 300, it is convenient to arrange densely and reduce the manufacturing cost while meeting the temperature requirements.

[0037] Specifically, the heating wire 300 can adopt a specification of 0.1mm. During the actual use of the seat ring, the temperature of the seat ring is generally within 40 degrees Celsius. By adopting a thinner heating wire 300, the heating wire 300 can be arranged more densely, thereby providing more heating area, so that even if the heating wire adopts the above-mentioned thinner diameter, it can provide sufficient heating value, which can not only meet the temperature requirements, but also provide more uniform heating.

[0038] It should be noted that the diameter of the heating wire 300 is not limited to the above embodiment, and other embodiments may also be adopted. For example, the diameter specification of the heating wire 300 may also be 0.03 mm or 0.5 mm.

[0039] Reference Figure 1 In some embodiments of the present invention, the heating wire 300 includes a plurality of straight segments 310 and a plurality of curved segments 320 arranged in parallel at intervals. The curved segments 320 are connected to the straight segments 310 to make the heating wire 300 present a snake shape. The spacing between the straight segments 310 is D, where D=3mm-15mm. By setting a smaller spacing D, the arrangement density of the heating wire 300 can be increased, thereby making the heating film heat more evenly.

[0040] Specifically, D can be 10 mm, and the heating wire 300 can be arranged in a serpentine shape and can be set by continuously bending a wire, which has high production efficiency. The spacing between the straight segments 310 can be set to 10 mm. The heating wire 300 has a small diameter and is easy to bend, so that the curvature of the curved segment 320 can be larger, and the spacing between the straight segments 310 can be shorter, so that the heating wire 300 can be densely arranged, the heating effect is more uniform, and the user is more comfortable when using the seat ring.

[0041] It should be noted that the distance D is not limited to the above embodiment, and other embodiments may also be adopted. For example, the distance D may also be 3 mm, or the distance D may also be 15 mm.

[0042] In some embodiments of the present invention, the thickness of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 are both 0.075mm-0.3mm. The first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 can be set thinner to further improve the heat transfer efficiency and make the heating film heat up faster.

[0043] Specifically, the thickness of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 can be set to 0.1 mm, which can reduce the manufacturing cost and improve the heat transfer efficiency.

[0044] It should be noted that the thickness of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 is not limited to the above embodiments, and other embodiments may also be adopted. For example, the thickness of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 may also be 0.075 mm, or may also be 0.3 mm.

[0045] Reference Figure 2 In some embodiments of the utility model, a mounting adhesive layer 410 is provided on the side of the first temperature-resistant insulating film layer 100 away from the heating wire 300 for easy installation, and a surface of the mounting adhesive layer 410 is covered with a release paper 420 for easy storage and transportation of the heating film.

[0046] Specifically, when the heating film is installed on the seat ring, it can be installed by bonding. During production, an installation adhesive layer 410 can be applied on the side of the first temperature-resistant insulating film layer 100 that is away from the heating wire 300. The installation adhesive layer 410 can be applied on the entire surface or partially, and the release paper 420 is covered on the installation adhesive layer 410. The specific type of the release paper 420 is not limited, so as to facilitate the storage and transportation of the heating film. When installation is needed, tear off the release paper and it can be bonded to the seat ring through the installation adhesive layer 410, which is convenient for installation.

[0047] It should be noted that the installation position of the adhesive layer 410 is not limited to the above embodiment, and other embodiments may also be adopted. For example, the adhesive layer 410 may also be arranged on the side of the second temperature-resistant insulating layer facing away from the heating wire 300 .

[0048] Reference Figure 2 In some embodiments of the present invention, a connecting adhesive layer 500 is provided on the side of the first heat-resistant insulating film layer 100 close to the heating wire 300, so that the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 can be bonded to each other, and the heating wire 300 can be bonded between the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200. By setting the above structure, the overall assembly of the heating film can be convenient and quick.

[0049] Specifically, the connecting adhesive layer 500 can be integrally coated on the side of the first heat-resistant insulating film layer 100 close to the heating wire 300. The heating wire 300 can be first arranged on the first heat-resistant insulating film layer 100 and fixed by the connecting adhesive layer 500, so as to facilitate the assembly of the heating wire 300. After the heating wire 300 is arranged, the second heat-resistant insulating film layer 200 is covered. By setting the above structure, the overall assembly of the heating film can be convenient and quick.

[0050] It should be noted that the setting position of the connecting adhesive layer 500 is not limited to the above-mentioned embodiment, and other embodiments may also be adopted. For example, the connecting adhesive layer 500 may also be applied on the side of the second heat-resistant insulating film layer 200 close to the heating wire 300, or the connecting adhesive layer 500 may also be applied on the side of the first heat-resistant insulating film layer 100 and the second heat-resistant insulating film layer 200 close to the heating wire 300 to improve the connection strength.

[0051] The seat ring according to the second embodiment of the utility model includes a seat ring using the above-mentioned heating film. By using the above-mentioned heating film, the seat ring can be safer and less prone to leakage when in use, and the heating film heats evenly, making the heating of the seat ring more uniform, and the heat transfer efficiency of the heating film is high, thereby making the seat ring heat up quickly and the user's comfort level high.

[0052] In some embodiments of the utility model, the heating film is arranged inside the seat ring, and the heating film and the seat ring are integrally formed by injection molding. Specifically, the seat ring can be set as an upper shell and a lower shell, the heating film can be first bonded to the bottom of the upper shell, and then the lower shell is connected to the upper shell, and the gap between the upper and lower shells is filled by injection molding. The heating film can withstand high temperatures and can be made by the above process, so that the heating film and the seat ring can be integrally formed, so that the heating film has high heat transfer efficiency, and can greatly reduce the cost of the overall toilet, and the heating film can be sealed to isolate external water vapor, which can reduce the occurrence of heating film failure.

[0053] According to the third aspect of the present invention, the toilet includes a toilet using the above-mentioned heating film. By using the above-mentioned heating film, the toilet can be safer when in use and less prone to leakage. The heating film has uniform heating and high heat transfer efficiency, so that when the user uses the toilet, the temperature of the sitting feeling is more uniform and the temperature rises faster.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. Heating film, It is characterized in that include: A first temperature-resistant insulating film layer (100); A second temperature-resistant insulating film layer (200), covering and connected to the first temperature-resistant insulating film layer (100); The heating wire (300) is arranged between the first temperature-resistant insulating film layer (100) and the second temperature-resistant insulating film layer (200), and the heating wire (300) is arranged in a snake shape.

2. The heating film according to claim 1, It is characterized in that The first heat-resistant insulating film layer (100) and the second heat-resistant insulating film layer (200) are both PET films or PVC films or acetate tapes or imide films.

3. The heating film according to claim 1, It is characterized in that The heating wire (300) has a diameter of 0.03 mm to 0.5 mm.

4. The heating film according to claim 1, It is characterized in that The heating wire (300) comprises a plurality of straight segments (310) arranged in parallel at intervals and a plurality of curved segments (320), the curved segments (320) being connected to the straight segments (310) so that the heating wire (300) is in a snake shape, and the spacing between the straight segments (310) is D, where D=3 mm-15 mm.

5. The heating film according to claim 1, It is characterized in that The thickness of the first heat-resistant insulating film layer (100) and the second heat-resistant insulating film layer (200) are both 0.075 mm-0.3 mm.

6. The heating film according to claim 1, It is characterized in that A mounting adhesive layer (410) is provided on the side of the first heat-resistant insulating film layer (100) or the second heat-resistant insulating film layer (200) away from the heating wire (300), and a surface of the mounting adhesive layer (410) is covered with release paper (420).

7. The heating film according to claim 1, It is characterized in that A connecting adhesive layer (500) is provided on one side of the first heat-resistant insulating film layer (100) and / or the second heat-resistant insulating film layer (200) close to the heating wire (300), so that the first heat-resistant insulating film layer (100) and the second heat-resistant insulating film layer (200) are bonded to each other, and the heating wire (300) can be bonded between the first heat-resistant insulating film layer (100) and the second heat-resistant insulating film layer (200).

8. Seat ring, It is characterized in that The invention comprises the heating film according to any one of claims 1 to 7.

9. The seat ring according to claim 8, It is characterized in that The heating film is arranged inside the seat ring, and the heating film and the seat ring are integrally formed by injection molding.

10. Toilet, It is characterized in that The invention comprises the heating film according to any one of claims 1 to 7.

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