CN111197793A - Electric heating system for heating coating by using invisible carbon fibers - Google Patents

Electric heating system for heating coating by using invisible carbon fibers Download PDF

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Publication number
CN111197793A
CN111197793A CN202010021953.1A CN202010021953A CN111197793A CN 111197793 A CN111197793 A CN 111197793A CN 202010021953 A CN202010021953 A CN 202010021953A CN 111197793 A CN111197793 A CN 111197793A
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heating
carbon fiber
heating coating
coating layer
control
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李小红
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • 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
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Heating Systems (AREA)

Abstract

The invention discloses an electric heating system with invisible carbon fiber heating paint, which belongs to the technical field of electric heating and comprises a control unit and a heating paint layer, the heating coating layer is a carbon fiber heating coating layer, both sides of the heating coating layer are provided with conductive track plates, the control unit comprises a control cabinet body, a transformer and a control switch assembly are arranged in the control cabinet body, the transformer is electrically connected with the control switch component, the electric energy output end of the transformer is connected with an output lead, the output lead is electrically connected with the conductive rail board, the structure of the scheme is installed in a complete system to form an invisible infrared heating system, the infrared radiation is healthy, the heating coating system can be seen as hidden after being installed, and the heating coating system has no radiator or heating element and occupies small space; on old or uneven surfaces, heating the coating layer also results in a uniform thin heating track, and the system is relatively fast to install.

Description

Electric heating system for heating coating by using invisible carbon fibers
Technical Field
The invention relates to the technical field of electric heating, in particular to an electric heating system for heating a coating by using invisible carbon fibers.
Background
Heating means that proper temperature is obtained in a building through the design of the building and a cold-proof heating device.
The existing heating modes are mostly bottom plate heating, electric heating or water heating.
Floor heating: japan and Korea in Asia are more than Moss in the home heating style due to the traditional living habits. The technology is introduced into China for less than ten years. It entered Jilin continuation from Korea at the earliest and rapidly spread to the three provinces of northeast. With the development and progress of science and technology, two modes of electric heating and water heating exist at present.
The electric heating principle is that the floor is heated to 18-28 ℃ by a heating cable buried in the floor, and heat is uniformly radiated to the indoor to achieve the heating effect. The water heating principle is that water buried in a water pipe under the floor is heated to a proper temperature through equipment so as to be uniformly radiated indoors.
The existing electric heating needs a radiator and an electric heating element, and pipelines need to be laid for water heating and bottom plate heating, so that the occupied space is large, and the cost is higher.
Disclosure of Invention
The invention aims to provide an electric heating system with invisible carbon fiber heating coating, which aims to solve the problems that the existing electric heating system in the background art needs a radiator and an electric heating element, and pipelines need to be laid for water heating and bottom plate heating, so that the occupied space is large, and the cost is high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an stealthy carbon fiber heating coating electric heating system, includes the control unit and heats the dope layer, the heating dope layer is carbon borer dimension heating dope layer, the both sides of heating dope layer all are provided with the conductor rail board, the control unit includes the control cabinet body, the inside of the control cabinet body is provided with transformer and control switch subassembly, electric connection between transformer and the control switch subassembly, the electric energy output of transformer is connected with output conductor, output conductor and conductor rail board electric connection, the incoming end of control switch subassembly is connected with incoming wire, be connected with control wire on the control switch subassembly, control wire and control line box are connected, the raw materials of carbon borer dimension heating dope layer include water, pure acrylic acid dispersion, carbon fiber, carbon black, graphite, additive and anticorrosive.
Preferably, the thickness of the heating paint layer is not more than 0.1 mm.
Preferably, the outer walls of the power input lead, the control lead and the output lead are coated with anti-corrosion coatings.
Preferably, the conductive rail plate is an aluminum conductive rail plate.
Preferably, the conductor rail plate comprises a plate body and embedded strips connected to the left side and the right side of the rear wall of the plate body, and positioning waist-shaped holes are formed in the plate body.
Preferably, one end of the plate body is connected with a wiring hole, and the output lead is connected with the plate body through the wiring hole.
Preferably, a reinforcing convex block is uniformly arranged on one side wall of the plate body facing the heating coating layer, and the reinforcing convex block is in a semicircular shape.
Preferably, the preservative is MIT preservative or BIT preservative.
Compared with the prior art, the invention has the beneficial effects that:
1) the structure of the scheme is installed in a complete system to form an invisible infrared heating system, the infrared radiation is healthy and can improve the health, the heating coating system can not be seen after the infrared radiation is installed and can be seen as hidden, no radiator or heating element is arranged, and the occupied space is small;
2) on old or uneven surfaces, heating the coating layer also results in a uniform thin heating track, and the system is relatively fast to install.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the conductive rail plate of the present invention.
In the figure: the device comprises a heating coating layer 1, a conductive track plate 2, a plate body 21, an embedding strip 22, a positioning waist-shaped hole 23, a wiring hole 24, a reinforcing bump 25, a control cabinet 3, a transformer 4, a control switch component 5, a power inlet wire 6, a control wire 7, a control wire box 8 and an output wire 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution: an electric heating system with invisible carbon fiber heating coating comprises a control unit and a heating coating layer 1, wherein the heating coating layer 1 is a carbon fiber heating coating layer;
the carbon fiber heating coating layer has the performances of high heating temperature, difficult shedding, strong heat resistance, oxidation resistance, aging resistance, maintenance free, invisible coating and the like (can be invisible on the wall surface, the ceiling, the floor and the like);
the carbon braze heating coating layer is solvent-free and has a VOC value of only 0.2g/l. Many of the walls of old buildings become moldy and wet. The carbon fiber heating coating layer can prevent mold from breeding and dehumidify the wall while heating the indoor;
the conductive paint is also called heating paint, wherein the conductive powder mainly adopts precious metal powder, metal oxide powder, carbon black powder, carbon fiber and the like as fillers; the conductive coating is prepared by mixing and grinding one or more conductive powders and an auxiliary agent according to a formula proportion. The principle of the heating coating is that the electric energy is converted into heat energy by utilizing the electric conductivity of the conductive coating.
Depending on the use, the heating paint layer 1 can be supplied with direct current or alternating current:
two heating paint layers 1 are drawn, one coated with the heating paint layer 1 for 24VAC control (IR-5) and the other coated with the heating paint layer 1 for 48VDC control (IR-10). Both heating paint layers 1 were designed to heat up to 500W accurately. Measurements were made in the middle of an electrically shielded room with the following initial values: alternating electric field 1V/m, alternating magnetic field 1nT, and constant magnetic field 1 muT. Measured at two distances of 110 cm and 50 cm from the layer of heated paint.
And (4) conclusion:
the measurements on the heated coating layer 1 are well below the legal limits. The health reaches the standard.
The parameters of the IR-5 and IR-10 heating coating layer 1 are as follows:
Figure RE-GDA0002453751560000041
Figure RE-GDA0002453751560000051
heating the coating layer 1 IR-5: (suggested for 24vac)
The paint is used as heating paint on walls, ceilings and floors. The resistance per square is 5 ohms, particularly suited for our 24VAC control unit.
The application comprises the following steps:
the construction is simple: can be coated by a roller coating mode like common coating.
Single layer coating method: for the heating tunnel, one layer is sufficient. And coating a layer of coating with the width of 10CM on the conductive aluminum strip.
High ecological property: the vapor permeability on the wall is strong, no solvent is used, and the VOC value is extremely low and is lower than 0.2g/l.
Slight splashing: for newtonian rheological reasons, the brush application will splash slightly.
Physical properties:
temperature range: lasting and stable, and the maximum temperature is 80 ℃.
High dynamic performance: due to the small size, the coating layer heats up quickly to the target temperature.
Stealth property: the thickness of the entire heating layer is less than 0.1mm and is not visible in most applications.
Uniform heat distribution: the maximum temperature difference is only a few degrees celsius due to the smooth surface.
Long-term stability: because of the high carbon content as a conductive component, it has permanent chemical and physical durability.
Chemical characteristics:
technically, we are the best carbon coatings since history. High carbon fiber content, low graphite content and no contamination during coating with white paint.
The surface of the paint film is microporous and rough, and provides good adhesion for finish paint.
The bonding strength of the coating is 4.8N/mm2And the paint has extremely high bonding tensile strength (bonding strength applied to a base layer) to wall coatings.
A base layer:
the adhesive has excellent adhesion on almost all substrates, such as existing latex paints, slates, wallpaper, plaster, cement, styrofoam, wood, and the like.
Finishing paint:
preferably water-based latex paints, dispersed silicate paints or silicone paints, which are covered with a plastic bond. Pure mineral paints can only be used after use to create test surfaces that require your risk of being self-supporting.
Freezing resistance:
the product is frost resistant (verified through 5 frost/thaw cycles) and can be transported by air or by ship all year round.
The formula is as follows:
water, pure acrylic dispersions, carbon fibers, carbon black, graphite, additives, preservatives (MIT, BIT).
Technical data:
resistance: 5 ohm/square (7.5 square meter/L coating ratio);
adhesive tensile strength: 4.8 Newton/mm2；
Volatile organic compound content: 0.2 g/l;
polycyclic aromatic hydrocarbon content: 0.002 mg/kg;
viscosity: 2000 mPas;
maximum temperature: 80 ℃;
sd value: 0.1 m;
pH value: 8;
maximum size of carbon particles: 100 μm;
density: 1.15 kg/l;
solid content: 44%;
processing temperature: >10 ℃;
freezing resistance of the container: freeze-thaw for >5 times.
Heating the coating layer 1IR-10 characteristics: (suggested for 48vdc)
High-end carbon coatings, as heating lacquers on walls, ceilings, floors. The resistance per square is 10 ohms, which is particularly suitable for our 48VDC control unit.
The application comprises the following steps:
the construction is simple: can be coated by a roller coating mode like common coating.
Single layer coating method: for the heating tunnel, one layer is sufficient. And coating a layer of coating with the width of 10CM on the conductive aluminum strip.
High ecological property: the vapor permeability on the wall is strong, no solvent is used, and the VOC value is extremely low and is lower than 0.2g/l.
Slight splashing: for newtonian rheological reasons, the brush application will splash slightly.
Physical properties:
temperature range: lasting and stable, and the maximum temperature is 80 ℃.
High dynamic performance: due to the small size, the coating layer heats up quickly to the target temperature.
Stealth property: the thickness of the entire heating layer is less than 0.1mm and is not visible in most applications.
Uniform heat distribution: the maximum temperature difference is only a few degrees celsius due to the smooth surface.
Long-term stability: because of the high carbon content as a conductive component, it has permanent chemical and physical durability.
Chemical characteristics:
technically, we are the best carbon coatings since history. High carbon fiber content, low graphite content and no contamination during coating with white paint.
The surface of the paint film is microporous and rough, and provides good adhesion for finish paint.
The bonding strength of the coating is 4.8N/mm2And the paint has extremely high bonding tensile strength (bonding strength applied to a base layer) to wall coatings.
A base layer:
the adhesive has excellent adhesion on almost all substrates, such as existing latex paints, slates, wallpaper, plaster, cement, styrofoam, wood, and the like.
Finishing paint:
preferably water-based latex paints, dispersed silicate paints or silicone paints, which are covered with a plastic bond. Pure mineral paints can only be used after use to create test surfaces that require your risk of being self-supporting.
Freezing resistance:
the product is frost resistant (verified through 5 frost/thaw cycles) and can be transported by air or by ship all year round.
The formula is as follows:
water, pure acrylic dispersions, carbon fibers, carbon black, graphite, additives, preservatives (MIT, BIT).
Technical data:
resistance: 10 ohm/square (ratio of 7.5 square meters/L);
adhesive tensile strength: 5.5 Newton/mm2；
Volatile organic compound content: 0.2 g/l;
polycyclic aromatic hydrocarbon content: 0.002 mg/kg;
viscosity: 2000 mPas;
maximum temperature: 80 ℃;
sd value: 0.1 m;
pH value: 8;
maximum size of carbon particles: 100 μm;
density: 1.15 kg/l;
solid content: 44%;
processing temperature: >10 ℃;
freezing resistance of the container: freeze-thaw for >5 times.
Both sides of heating dope layer 1 all are provided with electrically conductive rail plate 2, the control unit includes the control cabinet body 3, the inside of the control cabinet body 3 is provided with transformer 4 and control switch subassembly 5, electric connection between transformer 4 and the control switch subassembly 5, the electric energy output of transformer 4 is connected with output wire 9, output wire 9 and electrically conductive rail plate 2 electric connection, the incoming end of control switch subassembly 5 is connected with into electric wire 6, be connected with control wire 7 on the control switch subassembly 5, control wire 7 is connected with control wire box 8, the raw materials of carbon borer dimension heating dope layer include water, pure acrylic acid dispersion, carbon fiber, carbon black, graphite, additive and antiseptic.
Further, the thickness of the heating paint layer 1 is not more than 0.1 mm.
Furthermore, the outer walls of the power input lead 6, the control lead 7 and the output lead 9 are coated with anti-corrosion coatings.
Further, the conductive rail plate 2 is an aluminum conductive rail plate.
Further, the conductive rail plate 2 comprises a plate body 21 and embedded bars 22 connected to the left side and the right side of the rear wall of the plate body 21, and a positioning waist-shaped hole 23 is formed in the plate body 21.
Further, one end of the board body 21 is connected with a wiring hole 24, and the output lead 9 is connected with the board body 21 through the wiring hole 24.
Furthermore, a side wall of the plate body 21 facing the heating paint layer 1 is uniformly provided with a reinforcing bump 25, and the reinforcing bump 25 is in a semicircular shape.
Further, the preservative is MIT preservative or BIT preservative.
In the drying zone: prohibited installation in humid areas (outdoors, swimming pools, hydrotherapy centers, shower stalls)!
The method is used for ceiling heating: installed on all load-bearing ceilings, such as concrete, cement, filler or plasterboard or firmly adhering old paints. The maximum temperature was 5O degrees celsius.
The floor heating device is used as a floor heating device: and is installed on all load-bearing floors, such as screed plates, concrete, cement, fillers and the like. All materials must be approved for floor heating and have an R value of less than 0.85. The maximum temperature was 29 degrees celsius.
As a wall heater: the coating is installed on all load-bearing walls, such as concrete, cement, filling materials, gypsum boards or firmly adhered old coatings. Maximum temperature of 40 deg.C
The working principle is as follows: the power supply is externally connected with the power inlet wire 6, electric energy enters the control switch assembly 5 through the power inlet wire 6 and is output to the heating coating layer 1 and the conductive track plate 2 through the transformer 4 and the output wire 9, the conductive track plate 2 plays a role in protecting the heating coating layer 1, the heating coating layer 1 is prevented from flowing to two sides during construction, and the on-off and power control of the power supply of the heating coating layer 1 is controlled through the control wire box 8.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an stealthy carbon fiber heating coating electric heating system, includes the control unit and heats dope layer (1), its characterized in that: the heating coating layer (1) is a carbon brazing filler metal heating coating layer, the two sides of the heating coating layer (1) are provided with conductive track plates (2), the control unit comprises a control cabinet body (3), a transformer (4) and a control switch assembly (5) are arranged inside the control cabinet body (3), the transformer (4) and the control switch assembly (5) are electrically connected, the electric energy output end of the transformer (4) is connected with an output lead (9), the output lead (9) is electrically connected with the conductive track plates (2), the power inlet end of the control switch assembly (5) is connected with a power inlet lead (6), the control switch assembly (5) is connected with a control lead (7), the control lead (7) is connected with a control wire box (8), and the raw material of the carbon brazing filler metal heating coating layer comprises water, a pure acrylic acid dispersoid, Carbon fiber, carbon black, graphite, additives and preservatives.
2. The electric heating system with invisible carbon fiber heating coating according to claim 1, wherein: the thickness of the heating coating layer (1) is not more than 0.1 mm.
3. The electric heating system with invisible carbon fiber heating coating according to claim 1, wherein: the outer walls of the power inlet lead (6), the control lead (7) and the output lead (9) are coated with anti-corrosion coatings.
4. The electric heating system with invisible carbon fiber heating coating according to claim 1, wherein: the conductive rail plate (2) is an aluminum conductive rail plate.
5. The electric heating system with invisible carbon fiber heating coating according to claim 1, wherein: the conductive track plate (2) comprises a plate body (21) and embedded strips (22) connected to the left side and the right side of the rear wall of the plate body (21), and positioning waist-shaped holes (23) are formed in the plate body (21).
6. The electric heating system with invisible carbon fiber heating coating of claim 5, wherein: one end of the plate body (21) is connected with a wiring hole (24), and the output lead (9) is connected with the plate body (21) through the wiring hole (24).
7. The electric heating system with invisible carbon fiber heating coating of claim 5, wherein: the plate body (21) is evenly provided with a reinforcing convex block (25) on one side wall facing the heating coating layer (1), and the reinforcing convex block (25) is in a semicircular shape.
8. The electric heating system with invisible carbon fiber heating coating according to claim 1, wherein: the preservative is MIT preservative or BIT preservative.
CN202010021953.1A 2020-01-09 2020-01-09 Electric heating system for heating coating by using invisible carbon fibers Pending CN111197793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010021953.1A CN111197793A (en) 2020-01-09 2020-01-09 Electric heating system for heating coating by using invisible carbon fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010021953.1A CN111197793A (en) 2020-01-09 2020-01-09 Electric heating system for heating coating by using invisible carbon fibers

Publications (1)

Publication Number Publication Date
CN111197793A true CN111197793A (en) 2020-05-26

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Country Status (1)

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Application publication date: 20200526