CN107631344B - Graphene self-heating floor, manufacturing method and low-voltage self-heating floor system - Google Patents
Graphene self-heating floor, manufacturing method and low-voltage self-heating floor system Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a graphene self-heating floor, a manufacturing method and a low-voltage self-heating floor system, wherein the floor sequentially comprises a wear-resistant layer, a surface decoration layer, an upper insulating flame-retardant temperature-resistant waterproof layer, an upper substrate plate layer, a lower insulating flame-retardant temperature-resistant waterproof layer and a heat preservation layer from top to bottom; at least one groove is formed in the upper surface of the lower substrate layer, a graphene heating element and conductive circuits are paved in the groove, and two ends of each conductive circuit are connected with plug connectors; the plug connector of each conductive line is connected with an independent control unit; the upper surface of the upper substrate plate layer is provided with a plurality of blind holes, and the blind holes are embedded with magnet columns. The beneficial effects of the invention are as follows: the graphene material is adopted for heat conduction, so that the temperature is quickly raised, and the heat conduction is uniform; each floor is an intelligent integrated independent unit, so that the partition control of indoor temperature is realized, the energy consumption is reduced, and the service life of the floor is prolonged; the graphene releases far infrared rays, and is beneficial to health of families by matching with the magnetic therapy characteristic of the magnet.
Description
Technical Field
The invention belongs to the field of building decoration materials, and particularly relates to a graphene self-heating floor, a manufacturing method and a low-voltage self-heating floor system.
Background
In cold winter, indoor use of heating furnaces, heating appliances, etc. is often used to create a warm environment for the home. However, when the heating furnace and the heating system are operated, the report that the user is carelessly scalded often appears, and the resident is extremely easy to slide to touch and hurt accidentally, so that potential safety hazards often exist. In addition, the heating furnace and the heating system occupy the indoor space, so that the effective use area of the housing is reduced; meanwhile, the indoor heating is uneven, the ambient air temperature of the heating furnace and the heating air is higher, the air temperature of the place far away from the heating furnace and the heating air is lower, and the body feeling of the resident is uncomfortable. In recent years, as the research of floor heating equipment is mature, the heating floor becomes the first choice for household heating.
There are many heating floors in the market, and the electrothermal film is arranged under the floor or in the floor to generate heat. The biggest problem among these is that consumers without expertise, concerned with decorative effects and finishing costs, easily install floors that are not suitable for geothermal conditions, resulting in the following problems. Such as: the solid wood has poor heat conductivity and slow temperature rise; the multi-layer solid wood formaldehyde, benzene, ammonia and other harmful substances have high content, particularly the formaldehyde release amount at 40 ℃ is large, household pollution is generated, and the physical health of people is seriously endangered.
The existing heating floor mainly utilizes carbon crystals to heat, uses carbon fibers as conductive fillers, and has short half-life and short service life. The existing heating floor can only realize omnibearing temperature control and shutdown according to the indoor temperature requirement of a human body, can not realize independent temperature control of the heating floor aiming at specific crowd, specific position and specific requirement, and can not effectively meet the practical use requirement while wasting energy.
Along with the progress of the times and the improvement of environmental protection concepts, the traditional household building materials cannot meet the decoration demands of current consumers, and environmental protection building materials are receiving more and more attention.
Disclosure of Invention
In order to solve the technical problems, the invention provides a graphene self-heating floor, a manufacturing method and a low-voltage self-heating floor system.
The specific technical scheme of the invention is as follows:
the self-heating graphene floor comprises a floor body, wherein the floor body sequentially comprises a wear-resistant layer, a surface decoration layer, an upper insulating flame-retardant temperature-resistant waterproof layer, an upper substrate board layer, a lower insulating flame-retardant temperature-resistant waterproof layer and a heat preservation layer which are tightly attached from top to bottom;
the upper surface of the lower substrate plate layer is provided with at least one groove with a groove depth smaller than the thickness of the lower substrate plate layer, and two ends of the groove penetrate through the lower substrate plate layer; a graphene heating element and conductive lines tightly attached to the graphene heating element are paved in the grooves, and two ends of each conductive line are connected with plug connectors; the plug connector of each conductive line is connected with an independent control unit;
the upper surface of the upper substrate plate layer is provided with a plurality of blind holes, the blind holes are embedded with magnet columns, and the height of the magnet columns is smaller than or equal to the depth of the blind holes.
Preferably, the number of the grooves is 2n, wherein n is a natural number, and the sum of the widths of the 2n grooves is smaller than the longitudinal width of the lower substrate layer.
Preferably, the grooves are symmetrically distributed along the central axis of the transverse direction of the lower substrate plate layer.
Preferably, the graphene heating element comprises a plurality of layers of micro-sheets, wherein the thickness of a single layer of the micro-sheets is 10-30 mu m, and the micro-sheets comprise graphene powder layers and glass fiber plate layers.
Preferably, the plug connector comprises a power connector and a waterproof and anti-electricity plug; the power connector is electrically connected with the control unit corresponding to the plug connector.
Preferably, the center of the blind hole coincides with the central axis of the transverse direction of the upper substrate plate layer.
Preferably, the number of the blind holes is 2m, wherein m is a natural number, and the sum of diameters of the 2m blind holes is smaller than the transverse length of the upper substrate layer.
Preferably, the graphene heating element is prepared from the following materials in parts by weight:
a method of manufacturing a graphene self-heating floor, the method comprising the steps of:
(1) Selecting materials: the density is 900-1000kg/m 3 A high-density fiber board with the outline dimension of 920 mm multiplied by 140 mm multiplied by 10mm is used as a base material board blank;
(2) Pretreatment: placing the blank into a drying chamber, and performing high-temperature dry steaming treatment at 180 ℃ for 6-8 hours; in the dry steaming process, sending normal pressure steam into a drying chamber at proper time, and carrying out steam spraying and humidity adjusting treatment on the blank;
(3) Planing and milling: a. the pre-treated blank is planed and milled, and the external dimension of the processed base material plate is 900 mm multiplied by 122 mm multiplied by 5 mm;
b. a groove for placing a graphene heating element is milled on the upper surface of a part of substrate plates, the groove depth of the groove is smaller than the thickness of the substrate plates, two ends of the groove penetrate through the substrate plates, the standard of a rabbet groove is smooth and clean, and the batch of substrate plates are lower substrate plates;
c. milling a plurality of blind holes on the upper surface of part of the substrate plates, wherein the blind holes are required to be clean without excessive residues, and the batch of substrate plates are the upper substrate plates;
(4) Laying wires: laying a lead in the groove of the lower base material plate after the processing treatment;
(5) Preparing graphene glue solution: mixing and stirring graphene powder, glass fiber powder and floor bonding glue to prepare graphene glue solution, and standing for later use;
(6) Curing and forming: coating the graphene glue solution prepared in the step (5) in a groove of a lower substrate plate, and curing at normal temperature to form the graphene glue solution;
(7) And (3) assembling: installing a magnet column with the height smaller than or equal to the depth of the blind hole in the blind hole of the upper substrate plate, and then coating the upper surface of the upper substrate plate with an insulating flame-retardant and temperature-resistant waterproof layer, wherein the thickness of the upper insulating flame-retardant and temperature-resistant waterproof layer is 2 mm; the upper surface of the upper insulating flame-retardant temperature-resistant waterproof layer is coated with a surface decorative layer, and the thickness of the surface decorative layer is 1 mm; the upper surface of the surface decorative layer is coated with a wear-resistant layer, and the thickness of the wear-resistant layer is 1 mm; the lower surface of the upper substrate plate is glued and adhered with a lower substrate plate provided with a graphene heating element and a wire; the lower surface of the lower substrate plate is coated with a lower insulating flame-retardant temperature-resistant waterproof layer, and the thickness of the lower insulating flame-retardant temperature-resistant waterproof layer is 2 mm; the lower surface of the lower insulating flame-retardant temperature-resistant waterproof layer is coated with an insulating layer, and the thickness of the insulating layer is 2 mm; cold pressing the assembled plates for at least 12 hours;
(8) Sanding: sanding the assembled plate by a sanding machine to ensure that the surface of the floor achieves a certain finish;
(9) And (3) painting treatment: after dust collection of the floor after sanding treatment, colorless priming paint is coated, and ultraviolet light is used for drying;
(10) And (3) checking and packaging: and (5) quality inspectors strictly inspect the grade and color number of the floor according to the national standard, and grade the floor, and finally seal the floor, package and leave the factory in a plastic package mode.
The utility model provides a low-voltage spontaneous heating floor system, the system includes a plurality of above-mentioned graphite alkene spontaneous heating floor that splice together, its characterized in that: the system further comprises a power supply, a temperature controller, a master controller and an air switch, wherein a control unit corresponding to any conductive line on each graphene self-heating floor is electrically connected to the master controller; the main controller is respectively and electrically connected with the power supply and the temperature controller through a power supply branch line, and the temperature controller, the power supply and the air switch are mutually and electrically connected through the power supply branch line.
The beneficial effects of the invention are as follows:
1. the graphene material is adopted for heat conduction, so that the temperature is quickly raised, and the heat conduction is uniform;
2. each floor is an intelligent integrated independent unit, and the control unit corresponding to any one conductive line on each floor is independently controlled to be shut down and temperature regulated by the master controller according to actual requirements, so that the partition control of indoor temperature is realized, the energy consumption is reduced, and the service life of the floor is prolonged;
3. the graphene releases far infrared rays, and is beneficial to health of families by matching with the magnetic therapy characteristic of the magnet.
Drawings
Fig. 1 is a top view of a graphene self-heating floor;
FIG. 2 is a longitudinal cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the structure of a lower substrate sheet;
FIG. 4 is a schematic structural view of an upper substrate sheet;
FIG. 5 is a schematic diagram of a conductive trace;
fig. 6 is a schematic diagram of a low voltage self-heating flooring system.
Wherein: 1. a floor body; 2. a wear-resistant layer; 3. a surface decorative layer; 4. an insulating flame-retardant temperature-resistant waterproof layer is arranged on the insulating flame-retardant temperature-resistant waterproof layer; 5. an upper substrate ply; 6. a graphene heating element; 7. a lower substrate sheet layer; 8. a lower insulating flame-retardant temperature-resistant waterproof layer; 9. a heat preservation layer; 10. a groove; 11. a conductive line; 121. a power supply connector; 122. waterproof and anti-electricity plugs; 13. a blind hole; 14. a magnet column; 15. a power supply; 16. a temperature controller; 17. a master controller; 18. an air switch.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and the following examples.
Example 1
Fig. 1 is a top view of a graphene self-heating floor; fig. 2 is a longitudinal cross-sectional view of fig. 1. As shown in fig. 1 and 2, the graphene self-heating floor comprises a floor body 1, wherein the floor body 1 sequentially comprises a wear-resistant layer 2, a surface decoration layer 3, an upper insulating flame-retardant and temperature-resistant waterproof layer 4, an upper substrate board layer 5, a lower substrate board layer 7, a lower insulating flame-retardant and temperature-resistant waterproof layer 8 and a heat preservation layer 9 which are tightly attached from top to bottom.
The upper surface of the lower substrate sheet 7 is provided with at least one groove 10 with a groove depth smaller than the thickness of the lower substrate sheet 7, and two ends of the groove 10 penetrate through the lower substrate sheet 7, as shown in fig. 3. The graphene heating element 6 and the conductive lines 11 closely attached to the graphene heating element 6 are paved in the grooves 10, plug connectors are connected to the two ends of each conductive line 11, and the plug connectors of each conductive line 11 are connected with an independent control unit. In this embodiment, the conductive trace 11 is any one of conductive copper foil, conductive copper paste or conductive silver paste.
In this embodiment, the graphene heating element 6 includes a plurality of micro-sheets, and the thickness of a single micro-sheet is 10-30 μm, and the micro-sheet includes a graphene powder layer and a glass fiber plate layer. Preferably, the graphene powder is modified by YH-7, and has the advantages of greatly improved heat conduction and radiation heat dissipation performance and good electric conduction performance.
The graphene heating element 6 is prepared from the following materials in parts by weight:
the graphene heating element 6 provided by the invention can effectively improve the heat conduction performance of the traditional heating floor. By adding glass fiber, nano bamboo charcoal fiber powder, nano aluminum oxide and acrylic resin into graphene powder, the heat conduction performance of graphene can be remarkably improved by 40%; the service life of the graphene element 6 is greatly prolonged by 37.6%; the far infrared and negative ion functions released by the graphene element 6 are effectively improved, the graphene element is more environment-friendly and healthier, and the far infrared and negative ion radiation functions are improved by 21.8%.
If any one of the glass fiber, the nano bamboo charcoal fiber powder, the nano alumina and the acrylic resin is removed, compared with the graphene heating element 6 completely added with the four additives, the modified graphene heating element 6 has the advantages that the heat conduction performance is reduced by 10.2%, the service life is reduced by 13.4%, and the far infrared and negative ion radiation functions are reduced by 15.7%.
If the glass fiber is changed into the plant fiber, the nano bamboo charcoal fiber powder is changed into the common fiber powder, the acrylic resin is changed into the epoxy resin or the nano aluminum oxide is changed into the manganese dioxide, compared with the graphene heating element 6 which is completely added with the four additives, the heat conduction performance of the changed graphene heating element 6 is averagely reduced by 6.2%, the service life is reduced by 11.3%, and the far infrared and negative ion radiation functions are reduced by 13.6%. According to the method, only if glass fiber, nano bamboo charcoal fiber powder, nano aluminum oxide and acrylic resin are added into graphene at the same time, the heat conductivity, the service life and the far infrared and negative ion radiation functions of the self-heating graphene floor can be obviously improved.
Further preferably, as shown in fig. 5, the plug connector includes a power connector 121 and a waterproof and power-proof plug 122, and the power connector 121 is electrically connected to a control unit corresponding to the plug connector. Further preferably, the power connector 121 is an external connection pin of a wire, and a protective shell of hard plastic is sleeved on the outer skin of the wire to avoid damage to the pin. The wire tail wire is insulated and waterproof through the waterproof and anti-electric plug 122, so that the safety and reliability of the wire before electrifying and the use safety of families in electrifying are ensured.
The upper surface of the upper substrate plate layer 5 is provided with a plurality of blind holes 13, the blind holes 13 are embedded with magnet columns 14, and the height of the magnet columns 14 is smaller than or equal to the depth of the blind holes 13, as shown in fig. 4.
GraphiteA method for manufacturing an alkene self-heating floor, the method comprising the steps of: (1) selecting materials: the density is 900-1000kg/m 3 A high-density fiber board with the outline dimension of 920 mm multiplied by 140 mm multiplied by 10mm is used as a base material board blank;
(2) Pretreatment: placing the blank into a drying chamber, and performing high-temperature dry steaming treatment at 180 ℃ for 6-8 hours; in the dry steaming process, sending normal pressure steam into a drying chamber at proper time, and carrying out steam spraying and humidity adjusting treatment on the blank;
(3) Planing and milling: a. the pre-treated blank is planed and milled, and the external dimension of the processed base material plate is 900 mm multiplied by 122 mm multiplied by 5 mm;
b. a groove for placing a graphene heating element is milled on the upper surface of a part of substrate plates, the groove depth of the groove is smaller than the thickness of the substrate plates, two ends of the groove penetrate through the substrate plates, the standard of a rabbet groove is smooth and clean, and the batch of substrate plates are lower substrate plates;
c. milling a plurality of blind holes on the upper surface of part of the substrate plates, wherein the blind holes are required to be clean without excessive residues, and the batch of substrate plates are the upper substrate plates;
(4) Laying wires: laying a lead in the groove of the lower base material plate after the processing treatment;
(5) Preparing graphene glue solution: mixing and stirring graphene powder, glass fiber powder and floor bonding glue to prepare graphene glue solution, and standing for later use;
(6) Curing and forming: coating the graphene glue solution prepared in the step (5) in a groove of a lower substrate plate, and curing at normal temperature to form the graphene glue solution;
(7) And (3) assembling: installing a magnet column with the height smaller than or equal to the depth of the blind hole in the blind hole of the upper substrate plate, and then coating the upper surface of the upper substrate plate with an insulating flame-retardant and temperature-resistant waterproof layer, wherein the thickness of the upper insulating flame-retardant and temperature-resistant waterproof layer is 2 mm; the upper surface of the upper insulating flame-retardant temperature-resistant waterproof layer is coated with a surface decorative layer, and the thickness of the surface decorative layer is 1 mm; the upper surface of the surface decorative layer is coated with a wear-resistant layer, and the thickness of the wear-resistant layer is 1 mm; the lower surface of the upper substrate plate is glued and adhered with a lower substrate plate provided with a graphene heating element and a wire; the lower surface of the lower substrate plate is coated with a lower insulating flame-retardant temperature-resistant waterproof layer, and the thickness of the lower insulating flame-retardant temperature-resistant waterproof layer is 2 mm; the lower surface of the lower insulating flame-retardant temperature-resistant waterproof layer is coated with an insulating layer, and the thickness of the insulating layer is 2 mm; cold pressing the assembled plates for at least 12 hours;
(8) Sanding: sanding the assembled plate by a sanding machine to ensure that the surface of the floor achieves a certain finish;
(9) And (3) painting treatment: after dust collection of the floor after sanding treatment, colorless priming paint is coated, and ultraviolet light is used for drying;
(10) And (3) checking and packaging: and (5) quality inspectors strictly inspect the grade and color number of the floor according to the national standard, and grade the floor, and finally seal the floor, package and leave the factory in a plastic package mode.
The power supply is started, the conductive circuit 11 passes through current, the graphene heating element 6 embedded in the middle of the floor is excited by the current, the graphene heating element 6 is rapidly heated, and electric energy is converted into heat energy, so that the floor heats. The carbon atoms in the graphene heating element 6 are sufficiently moved after being excited, so that a stable movement space can be maintained, the heating rate of the floor is stable, and the floor is uniformly heated.
The graphene heating element 6 simultaneously emits far infrared rays with a wavelength of 6-14 microns, and the far infrared rays in the wavelength band are called "life light waves". After the life light wave permeates into the human body, the living light wave promotes the expansion of human micro-blood vessels and accelerates the blood circulation, is favorable for removing vessel accumulated substances and harmful substances in the human body, removes barriers which disturb metabolism, revitalizes tissues, promotes ferment generation, achieves the purposes of activating tissue cells, preventing aging and strengthening an immune system, and has the effects of improving and preventing various diseases caused by blood circulation and microcirculation disturbance.
The plug connector of the conductive line 11 is connected with an independent control unit, so that a user can independently control the power-on current of the floor, and further intelligent independent adjustment of the heating value of the floor is realized.
Because the upper substrate layer 5 is embedded with the magnet column 14, a micro magnetic field beneficial to human health is formed, and under the action of the magnetic field, a human body's own magnetic field is correspondingly formed. The physical magnetism supplementing therapy can be used for preventing diseases, relieving pains and playing a health care role.
Example 2
the wear-resistant layer 2 is made of surface paper impregnated with melamine resin, to which aluminum oxide is added, and is a key part for determining the service life of the laminate flooring. The wear-resistant layer endows the surface of the reinforced wood floor with important physicochemical properties such as wear resistance, scratch resistance, cigarette burning resistance, pollution resistance, corrosion resistance, moisture resistance and the like.
The surface decorative layer 3 is any one of melamine decorative paper, PVC board, fireproof board and decorative wood veneer, and the three-dimensional sense, special performance and aesthetic property of the board surface are increased after the board layer surface is processed by three modes of machining, veneering and decorating or coating.
The upper insulating flame-retardant and temperature-resistant waterproof layer 4 and the lower insulating flame-retardant and temperature-resistant waterproof layer 8 are prepared by high-temperature compounding of the following raw materials in parts by weight: 15 parts of polytetrafluoroethylene, 8 parts of phenolic epoxy resin, 1 part of antimonous oxide, 6 parts of polyether sulfone and 7 parts of chloroprene rubber. The waterproof grade of the two layers of waterproof layers is more than or equal to IP multiplied by 7.
The upper substrate board layer 5 and the lower substrate board layer 7 are any one of inorganic boards, carbon gold boards, high-density fiber boards, stone plastic boards and solid wood boards.
The heat preservation layer 9 is preferably a hydrophobic environment-friendly XPE foam double-layer aluminum foil. The product is formed by compounding a plurality of barrier layer materials, and each layer of material has good wear resistance and high-strength tear resistance. The heat preservation layer 9 has the advantages of flame retardance, hydrophobicity, heat resistance, heat preservation, energy conservation, environmental protection and the like.
The graphene self-heating floor is formed by bonding the layers in a composite mode, and is mildew-proof, moisture-proof, fireproof and flame-retardant. Far infrared rays are released by matching with graphene, and the magnet therapy characteristic of the magnet is combined, so that the health care and body building are realized, and the health care of families is benefited.
Example 3
Embodiment 3 on the basis of embodiment 1, a more preferred graphene self-heating floor structure is provided, specifically, embodiment 3 further defines the number of grooves 10 as 2n, where n is a natural number, and the sum of the widths of the 2n grooves 10 is smaller than the longitudinal width of the lower substrate sheet 7. The graphene heating element 6 releases a large amount of heat energy after being electrified and excited, and in order to ensure uniformity of heat absorption of the floor everywhere, it is further preferable that the grooves 10 are symmetrically distributed along the central axis of the transverse direction of the lower substrate board layer 7. Also, in order to ensure uniform release of the magnetic field and control the magnitude of the magnetic force of the magnetic field to suit the needs of the human body, it is further preferable that the center of the blind holes 13 coincides with the central axis of the upper substrate sheet 5 in the transverse direction, the number of the blind holes 13 is 2m, wherein m is a natural number, and the sum of the diameters of the 2m blind holes 13 is smaller than the transverse length of the upper substrate sheet 5.
According to another aspect of the present invention, there is also provided a low voltage self-heating flooring system, as shown in fig. 6. The system comprises a plurality of graphene self-heating floors which are assembled together, and further comprises a power supply 15, a temperature controller 16, a total controller 17 and an air switch 18. Preferably, the power supply 15 is a three-wire power socket.
The control unit corresponding to any conductive line 11 on each graphene self-heating floor is electrically connected to the overall controller 17; the main controller 17 is electrically connected with the power supply 15 and the temperature controller 16 through the power supply main line, and the temperature controller 16, the power supply 15 and the air switch 17 are electrically connected with each other through the power supply main line.
The main power supply line and the branch power supply line are copper core wires, and all indexes of the main power supply line and the branch power supply line are required to meet national standards. The wire diameters and the heat generating areas of the power supply main wire and the power supply branch wire are performed with reference to the following correspondence relation: when the heating area is smaller than 20m 2 The diameter of the wire is 2.5mm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the heating area is more than or equal to 20m 2 And less than 40m 2 When the wire diameter is 4mm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the heating area is more than or equal to 40m 2 And less than 60m 2 When the wire diameter is 6mm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the heating area is more than or equal to 60m 2 When the wire diameter is 10mm 2 。
The installation flow of the system is as follows:
1. and (3) installing the heating floor sheet by sheet from the corner of the wall, and lightly tapping the floor with a hammer and a wooden last to lock the end of the floor.
2, after the floor is paved, the notch of the power connector 121 of all the connectors is clean; the waterproof plug 122 is selected for insulating and waterproof treatment for the wire tails of all unused connectors.
3. And electrically connecting a control unit corresponding to any one conductive line 11 on the self-heating floor of each graphene to the overall controller 17. Meanwhile, the main controller 17 is electrically connected with the power supply 15 and the temperature controller 16 through the power supply main line, and the temperature controller 16, the power supply 15 and the air switch 17 are electrically connected with each other through the power supply main line.
When the intelligent control system is used, each floor is an intelligent integrated independent unit, and an operator independently controls the closing and temperature adjustment of a control unit corresponding to any one conductive line 11 on each floor through the master controller 17 according to the actual demands of families, so that the partition control of indoor temperature is realized.
To achieve intelligent temperature control, it is further preferred that the system may provide an elastic temperature control protector at the power connector 121 or the overall controller 17. When the floor temperature exceeds 40 ℃, the current is automatically cut off, and the heat supply is stopped so as to prevent the floor temperature from continuously rising; when the floor temperature is lower than 40 ℃, the protector automatically turns on current to start heating, so that the floor surface is kept at a constant temperature of 40 ℃ in the using process. The whole process is automatically completed by the intelligent controller, so that manual operation is not needed, and the labor and the worry are saved.
The beneficial effects of the invention are as follows:
1. the graphene material is adopted for heat conduction, so that the temperature is quickly raised, and the heat conduction is uniform;
2. each floor is an intelligent integrated independent unit, and the control unit corresponding to any one conductive line on each floor is independently controlled to be shut down and temperature regulated by the master controller according to actual requirements, so that the partition control of indoor temperature is realized, the energy consumption is reduced, and the service life of the floor is prolonged;
3. the graphene releases far infrared rays, and is beneficial to health of families by matching with the magnetic therapy characteristic of the magnet.
The present invention is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present invention, however, any change in shape or structure of the product is within the scope of the present invention, and all the products having the same or similar technical solutions as the present application are included.
Claims (9)
1. The utility model provides a graphite alkene spontaneous heating floor, includes floor body (1), its characterized in that: the floor body (1) sequentially comprises a wear-resistant layer (2), a surface decorative layer (3), an upper insulating flame-retardant temperature-resistant waterproof layer (4), an upper substrate board layer (5), a lower substrate board layer (7), a lower insulating flame-retardant temperature-resistant waterproof layer (8) and a heat preservation layer (9) which are tightly attached from top to bottom;
the upper surface of the lower substrate plate layer (7) is provided with at least one groove (10) with the groove depth smaller than the thickness of the lower substrate plate layer (7), and two ends of the groove (10) penetrate through the lower substrate plate layer (7); a graphene heating element (6) and conductive lines (11) closely attached to the graphene heating element (6) are paved in the groove (10), and two ends of each conductive line (11) are connected with plug connectors; the plug connector of each conductive line (11) is connected with an independent control unit;
the upper surface of the upper substrate plate layer (5) is provided with a plurality of blind holes (13), magnet columns (14) are embedded in the blind holes (13), and the height of each magnet column (14) is smaller than or equal to the depth of each blind hole (13);
the graphene heating element (6) is prepared from the following materials in parts by weight:
2. a graphene self-heating floor according to claim 1, characterized in that the number of grooves (10) is 2n, where n is a natural number, and the sum of the widths of 2n grooves (10) is smaller than the longitudinal width of the lower substrate sheet layer (7).
3. A graphene self-heating floor according to claim 1, characterized in that the grooves (10) are distributed symmetrically along the transversal direction central axis of the lower substrate sheet (7).
4. A graphene self-heating floor according to claim 1, characterized in that the graphene heating element (6) comprises a plurality of micro-sheets, a single layer of said micro-sheets having a thickness of 10-30 μm, said micro-sheets comprising a graphene powder layer and a glass fibre sheet layer.
5. The graphene self-heating floor according to claim 1, wherein the plug connector comprises a power connector (121) and a waterproof and anti-electricity plug (122); the power connector (121) is electrically connected with the control unit corresponding to the plug connector.
6. A graphene self-heating floor according to claim 1, characterized in that the centre of the blind hole (13) coincides with the central axis of the upper substrate sheet (5) in the transverse direction.
7. A graphene self-heating floor according to claim 1, characterized in that the number of blind holes (13) is 2m, where m is a natural number, and the sum of the diameters of 2m of the blind holes (13) is smaller than the lateral length of the upper substrate ply (5).
8. A method for manufacturing a graphene self-heating floor, the method comprising the steps of:
(1) Selecting materials: the density is 900-1000kg/m 3 A high-density fiber board with the outline dimension of 920 mm multiplied by 140 mm multiplied by 10mm is used as a base material board blank;
(2) Pretreatment: placing the blank into a drying chamber, and performing high-temperature dry steaming treatment at 180 ℃ for 6-8 hours; in the dry steaming process, sending normal pressure steam into a drying chamber at proper time, and carrying out steam spraying and humidity adjusting treatment on the blank;
(3) Planing and milling: a. the pre-treated blank is planed and milled, and the external dimension of the processed base material plate is 900 mm multiplied by 122 mm multiplied by 5 mm;
b. a groove for placing a graphene heating element is milled on the upper surface of a part of substrate plates, the groove depth of the groove is smaller than the thickness of the substrate plates, two ends of the groove penetrate through the substrate plates, the standard of a rabbet groove is smooth and clean, and the batch of substrate plates are lower substrate plates;
c. milling a plurality of blind holes on the upper surface of part of the substrate plates, wherein the blind holes are required to be clean without excessive residues, and the batch of substrate plates are the upper substrate plates;
(4) Laying wires: laying a lead in the groove of the lower base material plate after the processing treatment;
(5) Preparing graphene glue solution: mixing and stirring graphene powder, glass fiber powder and floor bonding glue to prepare graphene glue solution, and standing for later use;
(6) Curing and forming: coating the graphene glue solution prepared in the step (5) in a groove of a lower substrate plate, and curing at normal temperature to form the graphene glue solution;
(7) And (3) assembling: installing a magnet column with the height smaller than or equal to the depth of the blind hole in the blind hole of the upper substrate plate, and then coating the upper surface of the upper substrate plate with an insulating flame-retardant and temperature-resistant waterproof layer, wherein the thickness of the upper insulating flame-retardant and temperature-resistant waterproof layer is 2 mm; the upper surface of the upper insulating flame-retardant temperature-resistant waterproof layer is coated with a surface decorative layer, and the thickness of the surface decorative layer is 1 mm; the upper surface of the surface decorative layer is coated with a wear-resistant layer, and the thickness of the wear-resistant layer is 1 mm; the lower surface of the upper substrate plate is glued and adhered with a lower substrate plate provided with a graphene heating element and a wire; the lower surface of the lower substrate plate is coated with a lower insulating flame-retardant temperature-resistant waterproof layer, and the thickness of the lower insulating flame-retardant temperature-resistant waterproof layer is 2 mm; the lower surface of the lower insulating flame-retardant temperature-resistant waterproof layer is coated with an insulating layer, and the thickness of the insulating layer is 2 mm; cold pressing the assembled plates for at least 12 hours;
(8) Sanding: sanding the assembled plate by a sanding machine to ensure that the surface of the floor achieves a certain finish;
(9) And (3) painting treatment: after dust collection of the floor after sanding treatment, colorless priming paint is coated, and ultraviolet light is used for drying;
(10) And (3) checking and packaging: and (5) quality inspectors strictly inspect the grade and color number of the floor according to the national standard, and grade the floor, and finally seal the floor, package and leave the factory in a plastic package mode.
9. A low voltage self-heating floor system comprising a plurality of graphene self-heating floors as defined in any one of claims 1-7 assembled together, characterized in that: the system further comprises a power supply (15), a temperature controller (16), a master controller (17) and an air switch (18), wherein the control unit corresponding to any one conductive line (11) on the graphene self-heating floor is electrically connected to the master controller (17); the main controller (17) is electrically connected with the power supply (15) and the temperature controller (16) through a power supply main line respectively, and the temperature controller (16), the power supply (15) and the air switch (18) are electrically connected with each other through power supply branch lines.
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PCT/CN2017/111087 WO2019061728A1 (en) | 2017-09-30 | 2017-11-15 | Graphene-based automatically-heated floor panel and manufacturing method thereof, and low-voltage automatically-heated floor panel system |
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