CN113154507A - Planar far infrared electric heating aramid fiber honeycomb module and preparation method thereof - Google Patents
Planar far infrared electric heating aramid fiber honeycomb module and preparation method thereof Download PDFInfo
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- CN113154507A CN113154507A CN202110539429.8A CN202110539429A CN113154507A CN 113154507 A CN113154507 A CN 113154507A CN 202110539429 A CN202110539429 A CN 202110539429A CN 113154507 A CN113154507 A CN 113154507A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/062—Heat reflecting or insulating shields
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
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Abstract
本公开提供了一种远红外电热芳纶蜂窝地板模块及其制备方法，所述远红外电热芳纶蜂窝地板模块由远红外发热层、芳纶蜂窝层和基材层从上到下依次粘合叠放并冷压构成；远红外发热层，由饰面层、发热层和保温反射层依次叠放并热压构成；饰面层由耐磨层、装饰面层和红外发射层依次叠放并热压构成；发热层由上绝缘防护层、面状红外发热层和下绝缘防护层依次叠放并热压构成；保温反射层由上保温层、反射层和下保温层依次叠放并热压构成；限温传感器和连接端子设置在远红外发热层一侧长边的下表面；芳纶蜂窝层，由芳纶纸蜂窝构成，设置有与限温传感器和连接端子大小一致的凹槽；基材层，由热固性或热塑性聚合物片构成。
The present disclosure provides a far-infrared electrothermal aramid honeycomb floor module and a preparation method thereof. The far-infrared electrothermal aramid honeycomb floor module is composed of a far-infrared heating layer, an aramid honeycomb layer and a base material layer, which are sequentially bonded from top to bottom. It is formed by stacking and cold pressing; the far-infrared heating layer is composed of a facing layer, a heating layer and a thermal insulation reflective layer that are stacked and hot-pressed in sequence; the facing layer is composed of a wear-resistant layer, a decorative surface layer and an infrared emission layer. It is formed by hot pressing; the heating layer is composed of an upper insulating protective layer, a planar infrared heating layer and a lower insulating protective layer, which are stacked and hot pressed in sequence; the thermal insulation reflective layer is composed of an upper thermal insulation layer, a reflective layer and a lower thermal insulation layer. composition; the temperature limit sensor and the connection terminal are arranged on the lower surface of the long side of the far-infrared heating layer; the aramid honeycomb layer is composed of aramid paper honeycomb, and is provided with a groove with the same size as the temperature limit sensor and the connection terminal; The material layer is composed of thermosetting or thermoplastic polymer sheets.
Description
Technical Field
The disclosure relates to the technical field of far infrared electric heating, in particular to a far infrared electric heating aramid fiber honeycomb floor module and a preparation method thereof.
Background
In recent years, functional electric heating floors are rapidly developed, and at present, two technical paths are mainly provided for the electric heating floors, one is to compound heating materials into solid wood composite floors, reinforced floors, PVC (polyvinyl chloride) floors and the like, so that the electric heating floors not only have left decorative surfaces of the floors but also can provide heating in winter, but the technology is complex to install, has a plurality of power supply leading-out wires, is time-consuming and labor-consuming to install and has potential safety hazards; the other one is that the upper aluminum honeycomb and the heating layer are compounded between the upper substrate layer and the lower substrate layer, the aluminum honeycomb can be manufactured into a large size, the installation is convenient, but the aluminum honeycomb belongs to a hard sharp material, the damage of the heating body is easily caused during compounding, and potential safety hazards exist during use.
Chinese patent publication No. CN102312545A discloses a low-temperature heating solid wood composite floor and a preparation method thereof, the floor compounds far infrared heating materials into the solid wood composite floor, can reduce the design power of the unit area of the floor, enables the maximum temperature of the surface of the floor to be 50-55 ℃, solves the problems of deformation and cracking of the floor and the like, and improves the radiation and conduction of heat. However, it has the following problems: 1) the heating floor is formed by splicing a plurality of floors, generally, a room with 15 square needs to be paved with 120 pieces of floor and 150 pieces of floor, the floor has more outgoing lines and is complicated to construct, and the excessive outgoing lines are used as hidden engineering and have potential safety hazards; 2) the heating material is compounded into the wooden board, the far infrared transmittance of the wooden material is lower, generally only 35%, the wooden material is a material with poor infrared transmittance, and heat is not favorably radiated in an infrared mode.
Chinese patent publication No. CN105332494A discloses an electrically heated honeycomb floor, which is characterized in that a heat insulation layer, an electric heating plate, a honeycomb section layer, a heat conduction layer and a facing veneer are sequentially arranged on the upper surface of a bamboo-wood mixed substrate from bottom to top, and a plurality of expansion nails penetrating through the heat insulation layer, the electric heating plate and the honeycomb section layer are arranged between the bamboo-wood mixed substrate and the heat conduction layer. However, it has the following problems: 1) the electric heating plate is arranged on the honeycomb section layer, but the honeycomb section layer is an aluminum honeycomb and is made of hard conductive materials, the heating plate is extremely easy to damage in the processing process, and potential safety hazards exist; 2) the honeycomb section layer is an aluminum honeycomb, so that the heat conductivity is good, a part of heat is transferred downwards, and heat is wasted in the using process, so that energy is not saved; 3) the heating material is in direct contact with the honeycomb section layer, so that the leakage current of the heating material is connected, the leakage current is extremely large, frequent tripping of the air switch is easily caused in the using process to influence the use of a user, and the user is seriously injured due to the overlarge leakage current.
In view of the above problems, the present disclosure provides a far infrared electric heating aramid fiber honeycomb floor module. Which has the technical characteristics as described below to solve the existing problems.
Disclosure of Invention
In order to solve at least one of the above-mentioned technical problems, the present disclosure provides a far infrared electric heating aramid fiber honeycomb floor module, which is light in weight, convenient to install, fireproof, moistureproof, and extremely small in leakage current, and the heat is mainly transferred in a far infrared radiation manner, and the electric-thermal radiation conversion efficiency is more than 65% under general conditions, and the application scenario is wide, and the far infrared electric heating aramid fiber honeycomb floor module not only can be used for building ground heating, but also can be used in the fields of high-speed railway train ground heating, new energy electric vehicle ground heating, building wall surface heating and the like.
In order to achieve the purpose, the far infrared electric heating aramid fiber honeycomb floor module is formed by sequentially bonding, stacking and cold pressing a far infrared heating layer, an aramid fiber honeycomb layer and a base material layer from top to bottom,
the far infrared heating layer is formed by sequentially stacking and hot-pressing a decorative layer, a heating layer and a heat-insulating reflecting layer; the decorative layer is formed by sequentially stacking a wear-resistant layer, a decorative surface layer and an infrared emission layer and hot-pressing the stacked layers; the heating layer is formed by sequentially stacking an upper insulating protective layer, a planar infrared heating layer and a lower insulating protective layer and hot-pressing the upper insulating protective layer, the planar infrared heating layer and the lower insulating protective layer; the heat-insulating reflecting layer is formed by sequentially stacking an upper heat-insulating layer, a reflecting layer and a lower heat-insulating layer and hot-pressing the upper heat-insulating layer, the reflecting layer and the lower heat-insulating layer;
the temperature limiting sensor is arranged on the lower surface of the long edge on one side of the far infrared heating layer, and the connecting terminal is arranged on the lower surface of the far infrared heating layer;
the aramid fiber honeycomb layer is formed by aramid fiber paper honeycombs and is provided with grooves with the sizes consistent with those of the temperature limiting sensor and the connecting terminal;
and a substrate layer composed of a thermosetting or thermoplastic polymer sheet.
In a preferred embodiment, two copper foils are symmetrically arranged on one group of long sides of the planar infrared heating layer respectively.
In a preferred embodiment, the finish coat is formed by sequentially stacking and hot-pressing a wear-resistant layer, a decorative surface layer and an infrared emission layer, the decorative surface layer is positioned between the wear-resistant layer and the infrared emission layer, the wear-resistant layer is made of aluminum oxide wear-resistant paper, the decorative surface layer is made of melamine impregnated decorative paper, the infrared emission layer is melamine impregnated paper impregnated with an infrared emission material, a paper substrate of the melamine impregnated paper can be kraft paper or common paper, and the melamine impregnated paper glue and the infrared emission material are mixed according to a ratio of 80-90: the weight ratio of 10-20 parts is to uniformly disperse the infrared emission material in the melamine impregnated paper glue, and the melamine impregnated paper is obtained by drying the paper substrate of the melamine impregnated paper through a one-time glue dipping process.
In a preferred embodiment, the melamine impregnated paper glue may use melamine formaldehyde resin, urea formaldehyde resin, melamine urea formaldehyde resin, phenol formaldehyde resin. The infrared emission material can adopt carbon material or infrared emission powder with emissivity higher than 80%. In a preferred embodiment, the infrared emission layer is made of a carbon material impregnated with a material having an emissivity higher than 80%. The carbon material with the emissivity higher than 80% is selected from one or more of graphite powder, carbon nanofiber and carbon nanotube fiber. The infrared emission powder is selected from one or more of ceramic infrared emission powder and anion powder.
In a preferred embodiment, the heating layer is composed of an upper insulating protective layer, a planar infrared heating layer and a lower insulating protective layer, the planar infrared heating layer is located between the upper insulating protective layer and the lower insulating protective layer, the long edges and the wide edges of the upper insulating protective layer and the lower insulating protective layer are larger than those of the planar infrared heating layer, the upper insulating protective layer and the lower insulating protective layer take a thermosetting or thermoplastic polymer sheet as a base body, and the thermosetting or thermoplastic polymer sheet is selected from a prepreg, an epoxy prepreg sheet, a polyolefin sheet and a polyester sheet.
In a preferred embodiment, the planar infrared heating layer is a planar electric heating material with an infrared function, the planar electric heating material is formed by compounding a carbon material and a planar base material, the carbon material is formed by combining one or more of chopped carbon fibers, graphite, carbon nanotubes, graphene and the like, and the planar base material is made of various film materials, non-woven fabrics or paper materials. Two copper foils are symmetrically arranged on a group of long edges of the planar infrared heating layer respectively. The copper foil is a resistance product and is arranged for conducting electricity and generating heat. In a common electric heating material, the electric-thermal radiation conversion efficiency can reach about 60-75%, but decoration materials are generally arranged on the surface of a heating body, most of the decoration materials are infrared wave-absorbing materials, the overall electric-thermal radiation conversion efficiency can be reduced, and the electric-thermal radiation conversion efficiency is reduced by only 40-50% in the actual use process. After melamine impregnated paper impregnated with infrared emission materials is subjected to hot-pressing compounding, the melamine impregnated paper can effectively receive infrared light waves radiated by a planar infrared heating layer and enable part of the infrared light waves to directly penetrate through the layer, the energy of the other part of the infrared light waves is absorbed by the melamine impregnated paper impregnated with the infrared emission materials, the infrared wave band in the heat effect generated after the melamine impregnated paper impregnated with the infrared emission materials absorbs the heat is almost consistent with the wave band generated when the planar infrared heating layer works on the infrared peak value, so the other part of the heat is transferred in an infrared radiation mode, the electric-thermal radiation conversion efficiency is effectively improved, and the heat is mainly transferred in an infrared mode.
In a preferred embodiment, the heat-insulating reflecting layer is composed of an upper heat-insulating layer, a reflecting layer and a lower heat-insulating layer, and the reflecting layer is positioned between the upper heat-insulating layer and the lower heat-insulating layer. The upper heat-insulating layer and the lower heat-insulating layer adopt a thermosetting or thermoplastic polymer sheet as a matrix, and the thermosetting or thermoplastic polymer sheet is selected from a prepreg, an epoxy prepreg, a polyolefin sheet and a polyester sheet. The emitting layer adopts an aluminum foil reflecting film, and small holes with the diameter of 2-10mm are uniformly distributed on the aluminum foil reflecting film. An aluminum foil reflecting film is placed in the phenolic resin prepreg, an interface layer between the aluminum foil reflecting film and the phenolic sheet is easy to separate after hot pressing, and the phenolic resin prepreg is beneficial to mutual permeation and adhesion of phenolic resin during hot pressing through small holes uniformly distributed on the aluminum foil reflecting film, so that the adhesion mechanical property is improved. The phenolic aldehyde sheet has excellent heat preservation performance after being cured by hot pressing, can effectively prevent the heat of the planar electric heating material from being transferred downwards, and can effectively transfer the infrared radiation heat of the planar electric heating material to the heat conduction surface in a radiation way by arranging the reflecting layer.
In a preferred embodiment, the aramid honeycomb layer is made of aramid paper honeycomb. The aramid fiber paper honeycomb has the characteristics of light weight, high strength, high rigidity and the like, and has the functions of buffering, heat insulation, sound insulation, insulation and the like, and the aramid fiber paper honeycomb not only can achieve the strength of the aluminum honeycomb adopted in the prior art, but also has the advantages of light weight and the like. The aluminum honeycomb has good heat-conducting property, and can further transfer the heat on the lower surface of the heating layer downwards to cause heat waste. And aramid fiber honeycomb has excellent thermal-insulated, fire-retardant and insulating properties, and it can not only prevent effectively that the heat on layer that generates heat from the downward transmission, when breakage or electric breakdown appear in far infrared electric heat aramid fiber honeycomb floor module use, can not produce the condition of harm personal safety such as burning, leakage current are too big, has reached the energy-conserving effect that keeps warm and hinders heat promptly, has effectually eliminated the injury of potential risk to the person again.
In a preferred embodiment, the thickness of the aramid honeycomb layer is 5 to 30 mm.
In a preferred embodiment, the substrate layer is based on a thermosetting or thermoplastic polymer sheet selected from the group consisting of prepregs, epoxy prepregs, polyolefin sheets, polyester sheets. The substrate layer has the functions of protection and heat preservation.
In a preferred embodiment, the far infrared electric heating aramid fiber honeycomb floor module further comprises a temperature limiting sensor and a connecting terminal. The temperature limiting sensor is arranged on the lower surface of the long edge on one side of the far infrared heating layer, namely below the copper foil of the planar infrared heating layer. The temperature limiting sensor is selected from a PTC temperature limiter and a bimetal temperature limiter.
In a preferred embodiment, the connection terminal is arranged on the lower surface of the far infrared heating layer, and the connection terminal is a universal type two-hole female terminal.
In a preferred embodiment, the front surface of the aramid fiber honeycomb layer is also provided with a groove with the same size as the temperature limiting sensor and the connecting terminal, and the groove is used for being matched with the temperature limiting sensor and the connecting terminal.
The invention provides a preparation method of a far infrared electric heating aramid fiber honeycomb floor module, which comprises the following steps:
(1) preparing a far infrared heating layer;
(2) preparing an aramid fiber honeycomb layer;
(3) preparing a substrate layer;
(4) the lower surface of the far infrared heating layer is connected with a temperature limiting sensor and a connecting terminal;
(5) respectively gluing the lower surface of the far infrared heating layer and the upper surface of the base material layer;
(6) sequentially bonding and stacking the far infrared heating layer, the aramid fiber honeycomb layer and the base material layer from top to bottom to form a floor module blank;
(7) sending the floor module blank into a cold press for cold pressing and shaping to form a floor module;
(8) and carrying out trimming treatment on the floor module subjected to cold pressing and shaping to obtain the far infrared electric heating aramid fiber honeycomb floor module.
In a preferred embodiment, the step (1) further comprises the steps of;
step (1.1), preparing a veneer layer blank;
step (1.1.1), mixing melamine impregnated paper glue and an infrared emission material according to the ratio of 80-90: 10-20 parts by weight;
step (1.1.2), pouring the infrared emission material into melamine impregnated paper glue, and stirring by using a stirrer to uniformly disperse the infrared emission material in the melamine impregnated paper glue, wherein the stirring time is 15-45min, and the stirring speed is 500-;
step (1.1.3), the paper substrate is subjected to a one-time glue dipping melamine dipped paper glue process and dried to obtain melamine dipped paper dipped with the infrared emission material;
step (1.1.4), cutting the wear-resistant layer;
step (1.1.5), cutting the decorative surface layer;
step (1.1.6), cutting the infrared emission layer;
step (1.1.7), sequentially laminating the cut wear-resistant layer, the decorative surface layer and the infrared emission layer from top to bottom to obtain a decorative surface layer blank;
step (1.2), preparing a heating layer blank;
step (1.2.1), cutting the planar electrothermal material,
step (1.2.2), binding copper foil on a group of symmetrical edges of the planar electric heating material;
step (1.2.3), cutting an upper insulating protective layer and a lower insulating protective layer;
step (1.2.4), the planar electric heating material obtained in the step (1.2.2) is flatly laid on the lower insulating protective layer, and the length of each side of the lower insulating protective layer is 5-20mm longer than that of each side of the planar electric heating material;
step (1.2.5), an upper insulating protective layer is laid on the step (1.2.4), and each side of the upper insulating protective layer is aligned with each side of the lower insulating protective layer, so that a heating layer blank is obtained;
step (1.3), preparing a heat-preservation reflecting layer blank;
step (1.3.1), punching holes on the reflecting layer,
step (1.3.2), cutting the reflecting layer;
step (1.3.3), cutting the upper heat-insulating layer and the lower heat-insulating layer;
step (1.3.4), sequentially laminating the cut upper heat-insulating layer, the cut reflecting layer and the cut lower heat-insulating layer from top to bottom to obtain a heat-insulating reflecting layer blank;
step (1.4), preparing an integrated heating layer and a heat-preservation reflecting layer;
step (1.4.1), flatly placing the heat preservation reflecting layer blank obtained in the step (1.3.4) on a lower steel plate;
step (1.4.2), placing the heating layer blank obtained in the step (1.2.5) on the heat-insulating layer blank in the step (1.4.1), wherein the edges of the heat-insulating reflection layer blank and the heating layer blank are aligned;
step (1.4.3), placing an upper steel plate on the step (1.4.2), aligning each edge of the upper steel plate and each edge of the lower steel plate, and then placing the upper steel plate and the lower steel plate into a hot press;
step (1.4.4), repeating the step (1.4.1) to the step (1.4.3);
step (1.4.5), starting a hot press, and obtaining an integrated heating layer and a heat-preservation reflecting layer after hot pressing is finished;
step (1.5), preparing an infrared heating layer;
step (1.5.1), placing the integrated heating layer and the heat-preservation reflecting layer prepared in the step (1.4.5) on a steel plate;
step (1.5.2), placing the facing layer blank obtained in the step (1.1.7) on the integrated heating layer and heat-preservation reflecting layer;
step (1.5.3), the step (1.5.2) is sent to a hot press for hot pressing, the hot pressing time is 1-3min, and the hot pressing temperature is 165-185 ℃;
and (1.5.4) finishing hot pressing to obtain the far infrared heating layer.
In a preferred embodiment, said step (3) further comprises the steps of;
step (3.1), cutting the material of the upper base material layer;
step (3.2), placing the cut heat-insulating layer material on a steel plate;
step (3.3), putting the insulation layer material into a hot press after covering a steel plate on the insulation layer material;
step (3.4), repeating the steps (3.1) to (3.3);
and (3.5) starting the hot press, and obtaining the substrate layer after hot pressing is finished.
The utility model provides a far infrared electric heat aramid fiber honeycomb floor module, it has following advantage:
1) the far infrared electric heating aramid fiber honeycomb floor module disclosed by the invention is mainly used for far infrared radiation in heat transfer, the infrared radiation accounts for more than 70% of the whole energy conduction, and the far infrared light wave radiation energy of 5-15 microns is mainly used in a working state, and the set temperature can be reached after 5-10 minutes after the far infrared electric heating aramid fiber honeycomb floor module is started under a general condition, so that the energy is saved by at least 30-40% compared with other heating modes;
2) the far infrared electric heating aramid fiber honeycomb floor module heating body disclosed by the invention has a large surface area, the whole surface of the far infrared electric heating aramid fiber honeycomb floor module heating body is a heating surface and a radiating surface, so that the heating is uniform, the surface temperature can be adjusted to 35-85 ℃ according to actual needs, the application range is wide, and the far infrared electric heating aramid fiber honeycomb floor module heating body can be used for heating in various fields such as building ground heating, building wall decoration heating, mobile heaters, high-speed railways, rail transit departments heating and the like;
3) the whole heating body of the far infrared electric heating aramid fiber honeycomb floor module disclosed by the invention achieves a complete sealed and insulated state, is waterproof and moistureproof, and also fully utilizes the excellent insulating property and strong acid and alkali resistance of various materials in the technical scheme disclosed by the invention, so that the far infrared electric heating aramid fiber honeycomb floor module is extremely low in leakage current in a working state, the whole material is strong in strong acid and alkali resistance, and can be safely used in various extremely severe environments;
4) the far infrared electric heating aramid fiber honeycomb floor module is simple in process and low in material cost, and compared with the existing heating floor, a heater or an aluminum honeycomb heating floor, the material cost of the far infrared electric heating aramid fiber honeycomb floor module is at least lower than 20%, and industrialization and marketization popularization are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view showing one exemplary embodiment of a far infrared electrothermal aramid honeycomb floor module of the present disclosure;
FIG. 2 is a schematic view showing an exemplary embodiment of preparing a heat generating layer of a far infrared electrothermal aramid honeycomb floor module;
fig. 3 is a schematic view showing an exemplary embodiment of preparing a heat-insulating reflective layer of a far infrared electrothermal aramid honeycomb floor module.
Reference numerals:
1. a far infrared heating layer; 4. an aramid fiber honeycomb layer; 5. a substrate layer; 6. a temperature limiting sensor and a connection terminal; 7. a temperature limit sensor and a connecting terminal mounting groove; 8. copper foil;
21. an upper insulating protective layer; 22. a planar infrared heating layer; 23. a lower insulating protective layer;
31. an upper heat-insulating layer; 32. a reflective layer; 33. and a lower heat-insulating layer.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
Example 1
The preparation method of the far infrared electric heating aramid fiber honeycomb floor module comprises the following steps:
(1) preparing a far infrared heating layer;
step (1.1), preparing a veneer layer blank;
step (1.1.1), mixing melamine impregnated paper glue and an infrared emission material according to the ratio of 80: 20 parts by weight;
pouring the infrared emission material into melamine impregnated paper glue, and stirring by using a stirrer to uniformly disperse the infrared emission material in the melamine impregnated paper glue, wherein the stirring time is 15min and the stirring speed is 500 r/min;
step (1.1.3), the paper substrate is subjected to a one-time glue dipping melamine dipped paper glue process and dried to obtain melamine dipped paper dipped with the infrared emission material;
step (1.1.4), cutting the wear-resistant layer;
step (1.1.5), cutting the decorative surface layer;
step (1.1.6), cutting the infrared emission layer;
step (1.1.7), sequentially laminating the cut wear-resistant layer, the decorative surface layer and the infrared emission layer from top to bottom to obtain a decorative surface layer blank;
step (1.2), preparing a heating layer blank;
step (1.2.1), cutting the planar electrothermal material,
step (1.2.2), binding copper foil on a group of symmetrical edges of the planar electric heating material;
step (1.2.3), cutting an upper insulating protective layer and a lower insulating protective layer;
step (1.2.4), the planar electric heating material obtained in the step (1.2.2) is flatly laid on the lower insulating protective layer, and the length of each side of the lower insulating protective layer is 5mm longer than that of each side of the planar electric heating material;
step (1.2.5), an upper insulating protective layer is laid on the step (1.2.4), and each side of the upper insulating protective layer is aligned with each side of the lower insulating protective layer, so that a heating layer blank is obtained;
step (1.3), preparing a heat-preservation reflecting layer blank;
step (1.3.1), punching holes on the reflecting layer,
step (1.3.2), cutting the reflecting layer;
step (1.3.3), cutting the heat-insulating layer and the lower heat-insulating layer;
step (1.3.4), sequentially laminating the cut upper heat-insulating layer, the cut reflecting layer and the cut lower heat-insulating layer from top to bottom to obtain a heat-insulating reflecting layer blank;
step (1.4), preparing an integrated heating layer and a heat-preservation reflecting layer;
step (1.4.1), flatly placing the heat preservation reflecting layer blank obtained in the step (1.3.4) on a lower steel plate;
step (1.4.2), placing the heating layer blank obtained in the step (1.2.5) on the heat-insulating layer blank in the step (1.4.1), wherein the edges of the heat-insulating reflection layer blank and the heating layer blank are aligned;
step (1.4.3), placing an upper steel plate on the step (1.4.2), aligning each edge of the upper steel plate and each edge of the lower steel plate, and then placing the upper steel plate and the lower steel plate into a hot press;
step (1.4.4), repeating the step (1.4.1) to the step (1.4.3);
step (1.4.5), starting a hot press, and obtaining an integrated heating layer and a heat-preservation reflecting layer after hot pressing is finished;
step (1.5), preparing an infrared heating layer;
step (1.5.1), placing the integrated heating layer and the heat-preservation reflecting layer prepared in the step (1.4.5) on a steel plate;
step (1.5.2), placing the facing layer blank obtained in the step (1.1.7) on the integrated heating layer and heat-preservation reflecting layer;
step (1.5.3), the step (1.5.2) is sent to a hot press for hot pressing, the hot pressing time is 1min, and the hot pressing temperature is 165 ℃;
and (1.5.4) finishing hot pressing to obtain the far infrared heating layer.
(2) Preparing an aramid fiber honeycomb layer, wherein the thickness of the aramid fiber honeycomb layer is 5 mm;
(3) preparing a substrate layer;
step (3.1), cutting a base material layer material;
step (3.2), placing the cut heat-insulating layer material on a steel plate;
step (3.3), putting the insulation layer material into a hot press after covering a steel plate on the insulation layer material;
step (3.4), repeating the steps (3.1) to (3.3);
and (3.5) starting the hot press, and obtaining the substrate layer after hot pressing is finished.
(4) The lower surface of the far infrared heating layer is connected with a temperature limiting sensor and a connecting terminal;
(5) respectively gluing the lower surface of the far infrared heating layer and the first surface of the base material layer;
(6) sequentially bonding and stacking the far infrared heating layer, the aramid fiber honeycomb layer and the base material layer from top to bottom to form a floor module blank;
(7) sending the floor module blank into a cold press for cold pressing and shaping to form a floor module;
(8) and carrying out trimming treatment on the floor module subjected to cold pressing and shaping to obtain the far infrared electric heating aramid fiber honeycomb floor module.
Example 2
The preparation method of the far infrared electric heating aramid fiber honeycomb floor module comprises the following steps:
(1) preparing a far infrared heating layer;
step (1.1), preparing a veneer layer blank;
step (1.1.1), mixing melamine impregnated paper glue and an infrared emission material according to the following steps of 85: 15 weight ratio;
pouring the infrared emission material into melamine impregnated paper glue, and stirring by using a stirrer to uniformly disperse the infrared emission material in the melamine impregnated paper glue for 30min at a stirring speed of 850 r/min;
step (1.1.3), the paper substrate is subjected to a one-time glue dipping melamine dipped paper glue process and dried to obtain melamine dipped paper dipped with the infrared emission material;
step (1.1.4), cutting the wear-resistant layer;
step (1.1.5), cutting the decorative surface layer;
step (1.1.6), cutting the infrared emission layer;
step (1.1.7), sequentially laminating the cut wear-resistant layer, the decorative surface layer and the infrared emission layer from top to bottom to obtain a decorative surface layer blank;
step (1.2), preparing a heating layer blank;
step (1.2.1), cutting the planar electrothermal material,
step (1.2.2), binding copper foil on a group of symmetrical edges of the planar electric heating material;
step (1.2.3), cutting the insulating protective layer and the lower insulating protective layer;
step (1.2.4), the planar electric heating material obtained in the step (1.2.2) is flatly laid on the lower insulating protective layer, and the length of each side of the lower insulating protective layer is 10mm longer than that of each side of the planar electric heating material;
step (1.2.5), an upper insulating protective layer is laid on the step (1.2.4), and each side of the upper insulating protective layer is aligned with each side of the lower insulating protective layer, so that a heating layer blank is obtained;
step (1.3), preparing a heat-preservation reflecting layer blank;
step (1.3.1), punching holes on the reflecting layer,
step (1.3.2), cutting the reflecting layer;
step (1.3.3), cutting the upper heat-insulating layer and the lower heat-insulating layer;
step (1.3.4), sequentially laminating the cut upper heat-insulating layer, the cut reflecting layer and the cut lower heat-insulating layer from top to bottom to obtain a heat-insulating reflecting layer blank;
step (1.4), preparing an integrated heating layer and a heat-preservation reflecting layer;
step (1.4.1), flatly placing the heat preservation reflecting layer blank obtained in the step (1.3.4) on a lower steel plate;
step (1.4.2), placing the heating layer blank obtained in the step (1.2.5) on the heat-insulating layer blank in the step (1.4.1), wherein the edges of the heat-insulating reflection layer blank and the heating layer blank are aligned;
step (1.4.3), placing an upper steel plate on the step (1.4.2), aligning each edge of the upper steel plate and each edge of the lower steel plate, and then placing the upper steel plate and the lower steel plate into a hot press;
step (1.4.4), repeating the step (1.4.1) to the step (1.4.3);
step (1.4.5), starting a hot press, and obtaining an integrated heating layer and a heat-preservation reflecting layer after hot pressing is finished;
step (1.5), preparing an infrared heating layer;
step (1.5.1), placing the integrated heating layer and the heat-preservation reflecting layer prepared in the step (1.4.5) on a steel plate;
step (1.5.2), placing the facing layer blank obtained in the step (1.1.7) on the integrated heating layer and heat-preservation reflecting layer;
step (1.5.3), the step (1.5.2) is sent to a hot press for hot pressing, the hot pressing time is 2min, and the hot pressing temperature is 175 ℃;
and (1.5.4) finishing hot pressing to obtain the far infrared heating layer.
(2) Preparing an aramid fiber honeycomb layer, wherein the thickness of the aramid fiber honeycomb layer is 15 mm;
(3) preparing a substrate layer;
step (3.1), cutting a base material layer material;
step (3.2), placing the cut heat-insulating layer material on a steel plate;
step (3.3), putting the insulation layer material into a hot press after covering a steel plate on the insulation layer material;
step (3.4), repeating the steps (3.1) to (3.3);
and (3.5) starting the hot press, and obtaining the substrate layer after hot pressing is finished.
(4) The lower surface of the far infrared heating layer is connected with a temperature limiting sensor and a connecting terminal;
(5) respectively gluing the lower surface of the far infrared heating layer and the first surface of the base material layer;
(6) sequentially bonding and stacking the far infrared heating layer, the aramid fiber honeycomb layer and the base material layer from top to bottom to form a floor module blank;
(7) sending the floor module blank into a cold press for cold pressing and shaping to form a floor module;
(8) and carrying out trimming treatment on the floor module subjected to cold pressing and shaping to obtain the far infrared electric heating aramid fiber honeycomb floor module.
Example 3
The method for preparing the far infrared electric heating aramid fiber honeycomb floor module comprises the following steps:
(1) preparing a far infrared heating layer;
step (1.1), preparing a veneer layer blank;
step (1.1.1), mixing melamine impregnated paper glue and an infrared emission material according to the ratio of 90: 10 weight percent;
pouring the infrared emission material into melamine impregnated paper glue, and stirring by using a stirrer to uniformly disperse the infrared emission material in the melamine impregnated paper glue, wherein the stirring time is 45min and the stirring speed is 1200 r/min;
step (1.1.3), the paper substrate is subjected to a one-time glue dipping melamine dipped paper glue process and dried to obtain melamine dipped paper dipped with the infrared emission material;
step (1.1.4), cutting the wear-resistant layer;
step (1.1.5), cutting the decorative surface layer;
step (1.1.6), cutting the infrared emission layer;
step (1.1.7), sequentially laminating the cut wear-resistant layer, the decorative surface layer and the infrared emission layer from top to bottom to obtain a decorative surface layer blank;
step (1.2), preparing a heating layer blank;
step (1.2.1), cutting the planar electrothermal material,
step (1.2.2), binding copper foil on a group of symmetrical edges of the planar electric heating material;
step (1.2.3), cutting an upper insulating protective layer and a lower insulating protective layer;
step (1.2.4), the planar electric heating material obtained in the step (1.2.2) is flatly laid on the lower insulating protective layer, and the length of each side of the lower insulating protective layer is 20mm longer than that of each side of the planar electric heating material;
step (1.2.5), an upper insulating protective layer is laid on the step (1.2.4), and each side of the upper insulating protective layer is aligned with each side of the lower insulating protective layer, so that a heating layer blank is obtained;
step (1.3), preparing a heat-preservation reflecting layer blank;
step (1.3.1), punching holes on the reflecting layer,
step (1.3.2), cutting the reflecting layer;
step (1.3.3), cutting the upper heat-insulating layer and the lower heat-insulating layer;
step (1.3.4), sequentially laminating the cut upper heat-insulating layer, the cut reflecting layer and the cut lower heat-insulating layer from top to bottom to obtain a heat-insulating reflecting layer blank;
step (1.4), preparing an integrated heating layer and a heat-preservation reflecting layer;
step (1.4.1), flatly placing the heat preservation reflecting layer blank obtained in the step (1.3.4) on a lower steel plate;
step (1.4.2), placing the heating layer blank obtained in the step (1.2.5) on the heat-insulating layer blank in the step (1.4.1), wherein the edges of the heat-insulating reflection layer blank and the heating layer blank are aligned;
step (1.4.3), placing an upper steel plate on the step (1.4.2), aligning each edge of the upper steel plate and each edge of the lower steel plate, and then placing the upper steel plate and the lower steel plate into a hot press;
step (1.4.4), repeating the step (1.4.1) to the step (1.4.3);
step (1.4.5), starting a hot press, and obtaining an integrated heating layer and a heat-preservation reflecting layer after hot pressing is finished;
step (1.5), preparing an infrared heating layer;
step (1.5.1), placing the integrated heating layer and the heat-preservation reflecting layer prepared in the step (1.4.5) on a steel plate;
step (1.5.2), placing the facing layer blank obtained in the step (1.1.7) on the integrated heating layer and heat-preservation reflecting layer;
step (1.5.3), the step (1.5.2) is sent to a hot press for hot pressing, the hot pressing time is 3min, and the hot pressing temperature is 185 ℃;
and (1.5.4) finishing hot pressing to obtain the far infrared heating layer.
(2) Preparing an aramid fiber honeycomb layer, wherein the thickness of the aramid fiber honeycomb layer is 30 mm;
(3) preparing a substrate layer;
step (3.1), cutting a base material layer material;
step (3.2), placing the cut heat-insulating layer material on a steel plate;
step (3.3), putting the insulation layer material into a hot press after covering a steel plate on the insulation layer material;
step (3.4), repeating the steps (3.1) to (3.3);
and (3.5) starting the hot press, and obtaining the substrate layer after hot pressing is finished.
(4) The lower surface of the far infrared heating layer is connected with a temperature limiting sensor and a connecting terminal;
(5) respectively gluing the lower surface of the far infrared heating layer and the first surface of the base material layer;
(6) sequentially bonding and stacking the far infrared heating layer, the aramid fiber honeycomb layer and the base material layer from top to bottom to form a floor module blank;
(7) sending the floor module blank into a cold press for cold pressing and shaping to form a floor module;
(8) and carrying out trimming treatment on the floor module subjected to cold pressing and shaping to obtain the far infrared electric heating aramid fiber honeycomb floor module.
The performance tests of the above examples 1 to 3 show that the temperature can reach the set temperature 5 to 10 minutes after the start, the heat is generated uniformly, and the insulation performance and the strong acid and alkali resistance are excellent.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
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Application publication date: 20210723 |