KR20150132915A - Method of ceramic heater and its ceramic heater - Google Patents

Method of ceramic heater and its ceramic heater Download PDF

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Publication number
KR20150132915A
KR20150132915A KR1020140059467A KR20140059467A KR20150132915A KR 20150132915 A KR20150132915 A KR 20150132915A KR 1020140059467 A KR1020140059467 A KR 1020140059467A KR 20140059467 A KR20140059467 A KR 20140059467A KR 20150132915 A KR20150132915 A KR 20150132915A
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South Korea
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flexible
powder
heating
ceramic heater
weight ratio
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KR1020140059467A
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Korean (ko)
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최재수
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최재수
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    • 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
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • 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
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

The present invention relates to a method of manufacturing a ceramic heater and a flexible ceramic heater therefor. The flexible ceramic heater includes a flexible heating layer (4) composed of at least one layer while uniformly arranging the heating conductor (11) A pair of flexible power lines 2 and 3 provided in the layer 4 for supplying power necessary for generating heat and a pair of flexible power lines 2 and 3 provided on the upper and lower surfaces of the heating layer 4, And an insulating coating layer 5 deposited on the upper and lower surfaces of the fiber monolayer 10 and on the sides of the heating layer 4 to protect the ceramic heater and maintain insulation and ductility.

Description

TECHNICAL FIELD [0001] The present invention relates to a method of manufacturing a ceramic heater,

The present invention relates to a method of manufacturing a ceramic heater in which a large amount of anions and far-infrared rays, which are beneficial to the human body, are emitted, and a ceramic heater therefor.

Generally, heating element or surface heating element is used for industrial heating and various industrial heating devices such as flooring for heating, mattress, various kinds of tents, etc., agricultural equipments such as plastic tents and agricultural product drying equipments, portable warming equipments such as roads and stops, runways, Health products, household appliances, livestock heating devices, and snow removal of roads and vehicle windows.

On the other hand, the planar heating element emits heat in a large area compared with a normal heating system, and thus has many advantages such as a high calorific value relative to power consumption and little harmful electromagnetic waves.

Conventional manufacturing methods of the planar heating element are manufactured by mixing carbon powder and a binder on a PET (polyester) film and printing it in a predetermined shape, followed by insulation bonding using a polyester film and EVA as a heat adhesive. However, As the temperature is limited, the temperature and the applications actually used are limited, and the material of the insulating film to be used is also limited. When the EVA is heated to a certain temperature (about 65 ° C) or more, the EVA of the insulating film is swelled by heat, There is a problem that fatal defects are generated in the function.

In addition, conventional surface heating elements are mainly used for making regularly arranged patterns, and therefore, they are sensitive to folding, wrinkling, or bending or wrinkling. High heat is generated by electrical energy concentrated along folded, curved or wrinkled interfaces And it may cause deformation and fire, or may cause insulation breakdown, electric shock and short circuit.

Korean Patent Laid-Open Publication No. 10-2010-0129260 (Title: Method for producing a planar heating element and a planar heating element, Korean Patent Laid-Open Publication No. 10-2011-0126867 (entitled "Snowmelt / Surface Heating Element and Line-Up / Surface Heating Element" Korean Patent Registration No. 10-1108219 (Title of the Invention: Method of manufacturing a surface heating element having a heat insulating property and a grounding function, and a surface heating element manufactured by the method, 2012. 01. 31. Patent Literature)

An object of the present invention is to provide a method of manufacturing a ceramic heater in which a large amount of negative ions and far-infrared rays are emitted to the human body and a ceramic heater therefor.

Another object of the present invention is to provide a ceramic heater of various shapes.

Another object of the present invention is to provide a method of manufacturing a flexible surface heating element that can be stably used without folding, wrinkling, or bending or wrinkling, and its flexible ceramic heater.

The ceramic heater of the present invention, iron powder having a size of 0.02 to 0.2 mm, copper powder and ceramic powder were mixed evenly at a weight ratio of 40 to 30:30 to 50:30 to 20, and then mixed with water at a weight ratio of 4: 1 Next, a pair of power lines 2 and 3 which are not covered are placed in the next molding die, and then they are molded and dried at a high temperature at room temperature to form a heating portion 4 having a predetermined internal resistance (resistance required for heat generation) And an insulating coating layer 5 is coated on the outer surface of the heating portion 4. The power line 2 and the heating wire 3 are drawn out to one side or both sides of the heating portion 4 and the heating portion 4 is fixed The heater fixing portion 7 can be constructed.

The iron powder and copper powder may be conductors having an internal resistance, and the ceramic powder may be a mixture of at least one of ocher powder, elvan powder, jade powder, germanium powder, mica powder, and silicon powder.

The heating unit may be any one of a bar shape, a funnel shape, a planar shape, a cylindrical shape, and a deformed shape thereof.

The flexible surface heating element 1 according to the present invention includes a flexible heating portion 4 in which a heating conductor 2 and a flexible nonconductor 3 are uniformly mixed and formed, A fibrous monofilament layer 7 and a fibrous monofilament layer 8 deposited on the upper and lower surfaces of the flexible heating section 4 and a pair of flexible power lines 5 and 6 for supplying the fibrous monolayer 7 (8) and an insulating coating layer of a predetermined thickness deposited on the side surface of the flexible heating portion (4) to maintain insulation and ductility.

The flexible heating unit may be a planar heating element having a predetermined thickness, which is formed by mixing a heating conductor and a soft nonconductor at a weight ratio of 70 to 85:30 to 15.

And an insulating coating layer which is attached to both sides of the flexible heating part and has a predetermined thickness to maintain insulation and softness.

The ductile insulator can be either a moisture-curable silicone adhesive, a moisture-curable silicone rubber, or a non-acetic acid silicone sealant.

And a temperature sensor to which a signal line 13 installed in the flexible heating unit is connected.

The flexible surface heating element according to the present invention is a flexible surface heating element comprising a heating conductor in which iron powder having a size of 0.02 to 0.2 mm and copper powder are mixed in a weight ratio of 70 to 50:30 to 50 in a weight ratio and the heating conductor and the non- A flexible heating portion having a predetermined thickness is formed, and a soft power line is inserted into the flexible heating portion, a fiber monolayer is attached to the upper and lower surfaces of the flexible heating portion, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the single layer.

The flexible surface heating element of the present invention is a flexible surface heating element comprising a heating conductor in which iron powder having a size of 0.02 to 0.2 mm and carbon powder are uniformly mixed in a weight ratio of 70 to 50:30 to 50 and a heating conductor in which the heating conductor and the soft non- A flexible heating portion having a predetermined thickness is formed by embedding a flexible power line into the flexible heating portion and a fiber monolayer is deposited on the upper and lower surfaces of the flexible heating portion, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the single layer.

The flexible surface heating element of the present invention is a flexible surface heating element comprising a heating conductor in which a carbon powder having a size of 0.02 to 0.2 mm and a copper powder are mixed in a weight ratio of 70 to 50:30 to 50 in a weight ratio and the heating conductor and the non- A flexible heating portion having a predetermined thickness is formed by embedding a flexible power line into the flexible heating portion and a fiber monolayer is deposited on the upper and lower surfaces of the flexible heating portion, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the single layer.

The flexible surface heating element of the present invention is obtained by mixing a carbon powder having a size of 0.02 to 0.2 mm with a soft nonconductor at a weight ratio of 70 to 85:30 to 15 and then obtaining a flexible heating portion having a predetermined thickness formed into a flat surface, A power source line is embedded, a fiber monolayer is deposited on the upper and lower surfaces of the flexible heating unit, and an insulation coating layer having a predetermined thickness is deposited on the upper and lower surfaces of the fiber monolayer.

The ceramic heater (1) according to the present invention has a low manufacturing cost because the conductor and the ceramic non-conductor are mixed and formed in a powder state. The production cost is low and the ceramic heater Infrared rays and negative ions which are very beneficial are emitted in a large amount and the emission amount is further increased by the heat generated by the heating unit 4. [

The present invention can easily limit the amount of heat generated according to the mixing ratio of conductors, and can be used safely because it does not generate heat to the ignition point and there is no risk of fire. It is semi-permanent and can be mass- .

Further, according to the present invention, a flexible planar heating element is obtained by the combination of heat-resistant silicon, and since the flexible structure prevents folding, wrinkling, bending, or wrinkling, insulation breakdown, electric shock, There is no effect.

The present invention has the effect of obtaining a flexible surface heating element which is uniformly heated at a uniform temperature and can be efficiently used in various industrial fields by uniformly mixing and molding a heat conductor and a soft and heat resistant nonconductor such as liquid silicone.

The present invention is a very useful invention that has a large area compared to a conventional hot-wire method, and thus has a high heat-generating amount relative to power consumption, little harmful electromagnetic waves are generated, and can be used in various industrial fields.

1 is a sectional view of a ceramic heater shown as one example of the present invention.
2 is a sectional view of the ceramic heater shown in another example of the present invention.
3 is a plan view of the ceramic heater shown as another example of the present invention.
Figure 4: The present invention is a sectional view of Figure 3;
5 is a side view of the ceramic heater shown as another example of the present invention.
6 is a sectional view of the present invention Fig.
7 is a cross-sectional view of the flexible ceramic heater shown as one example of the present invention.
8 is a cross-sectional view of the flexible ceramic heater shown as one example of the present invention.
9 is an enlarged cross-sectional view of a flexible heating part shown as one example of the present invention.
10 is an enlarged cross-sectional view of a flexible heating part shown in another example of the present invention.
11 is a sectional view of the flexible ceramic heater shown in another example of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the embodiments of the present invention, the same components as in the drawings are denoted by the same reference numerals as possible, and detailed descriptions of known configurations and functions are omitted so as not to obscure the gist of the present invention. May be different from what is actually implemented with the schematized drawings in order to easily describe the embodiments of the present invention.

In the ceramic heater according to the present invention, a conductor having an internal resistance necessary for heat generation and a ceramic nonconductor in which a large amount of anion and far-infrared rays beneficial to the human body are discharged are mixed and molded at a predetermined ratio to obtain a ceramic heater in a solid state or a ceramic heater in a flexible state Loses.

The ceramic heater 1 according to the present invention is a ceramic heater in which iron powder having a size of 0.02 to 0.2 mm, copper powder and ceramic powder are uniformly mixed in a weight ratio of 40 to 30:30 to 50:30 to 20, And 4: 1, and then put into a molding die. A pair of uncoated power lines (2) and (3) are arranged in parallel and / or evenly and then molded and dried at a high temperature at room temperature (4) having an internal resistance (resistance necessary for generating heat), and an outer surface or surface of the heating portion (4) is coated with an insulating coating layer (5) for protecting the heating portion (4) One or both sides of the unit 4 constitute fixing means for pulling out the power supply lines 2 and 3 and fixing the heating unit 4 such as a heater fixing unit 7 to which the screw shaft 6 is fixed. The heater fixing part 7 is formed of ceramics or the like and when the power source is supplied to the power lines 2 and 3, the heating part 4 is heated and heat is generated.

The power supply line 2 and the power supply line 3 are arranged alternately adjacent to each other.

The iron powder and the copper powder are a conductor or a heat conductor having a predetermined internal resistance and the ceramic powder is an insulator such as an ocher powder, an elvan powder, a jade powder, a germanium powder, Silicon powder, and at least one of them is used in combination.

The iron powder, copper powder, loess powder, elvan powder, jade powder, germanium powder, mica powder and silicon powder are in a solid state, and in the case of a flexible ceramic heater described later, a liquid ceramic is used for molding .

Instead of the water used for kneading in the above, a liquid conductive binder or a liquid silver clown may be used.

The outer surface or the surface of the insulating coating layer 5 is adhered with a predetermined thickness of a fibrous monolayer so as to give excellent tactile feeling during use.

The copper powder has an internal resistance lower than that of the iron powder and is mixed to be positioned between the ends of the iron powder and the iron powder so that adequate conductivity and heat generation are achieved.

The iron powder has a large internal resistance, and an iron powder having an appropriate internal resistance is selectively used to obtain an appropriate heat generating temperature or mixed with an appropriate internal resistance.

When the carbon powder is mixed (contained), the mixing ratio of the iron powder to the carbon powder is in the range of 60:40 to 40:60 by mixing .

The iron powder has a high internal resistance, and an iron powder and / or a carbon powder having an appropriate internal resistance are used to obtain an appropriate heat generating temperature. The copper (copper) powder with low internal resistance is mixed to be positioned between the end of the iron powder and the end of the iron powder, so that appropriate conductivity and heat generation are achieved.

The carbon (carbon) has an inorganic or organic graphite structure, and can be classified into a carbon fiber made of thread, a powder made of powder, a carbon felt made like a cotton, and a solidified carbon rod. Such carbon is stronger than iron and lighter than aluminum because of its high elasticity and strength.

Since the heating conductor (11) uses a heating element such as iron powder, copper powder or carbon powder as the heating conductor (11), the heating capacity is small and the rising and falling temperature characteristics are excellent and also the high temperature durability is excellent in a non-oxidizing atmosphere. Drying apparatus, and the like.

A temperature sensor 9 having a signal line 8 therein may be installed or built in when the heating unit 4 is molded. The temperature sensor 9 generates heat in a predetermined temperature range by interrupting a power source supplied to the power lines 2 and 3 in cooperation with a temperature controller (not shown).

FIG. 1 is a cross-sectional view of a ceramic heater 1 shown as an example of the present invention, and it is exemplified that the ceramic heater 1 can be constituted by a bar-shaped ceramic heater, and FIG. 2 exemplifies a funnel- FIGS. 3 and 4 illustrate that the ceramic heater 1b can be constituted by a planar ceramic heater 1b. FIG. 5 and FIG. 6 illustrate that the ceramic heater 1c can have a cylindrical shape. It is. Of course, the ceramic heater can be configured in various shapes such as a bar shape, a funnel shape, a planar shape, a columnar shape, and other deformed shapes.

1, the power lines 2 and 3 are provided so as to be parallel to each other in the case of the ceramic heater 1 in the form of a bar. In the case of the funnel-shaped ceramic heater 1a as shown in FIG. 2, In the case of the ceramic heater 1b as shown in Fig. 3 and Fig. 4, the heaters are arranged at uniform intervals in order to achieve uniform heat generation. As shown in Figs. 5 and 6, And in the case of the ceramic heater 1c, they are arranged at uniform intervals and uniform heat generation is achieved.

Since the thickness of the heating part 4 is uniform in the case of the cylindrical ceramic heater 1c, the conical space is formed therein to improve the heat generation.

The ceramic heater (1) according to the present invention has a low manufacturing cost because the conductor and the ceramic non-conductor are mixed and formed in a powder state. The production cost is low and the use of the ceramic non-conductor such as the yellow loose powder, the elvan flake, the jade powder, the germanium powder, A very advantageous far infrared ray and anion are emitted in a large amount, and the emission amount is further increased by heat generation of the heating part 4. [

In addition, the present invention can easily limit the amount of heat generated according to the mixing ratio of conductors, and can be used safely because it does not generate heat to the ignition point and there is no risk of fire, and it can be used semi-permanently without failure, There are several advantages.

7 to 11 are cross-sectional views of a flexible ceramic heater 1d according to an embodiment of the present invention. The flexible ceramic heater 1d includes a flexible heating part 4 in which a heating conductor 11 and a soft nonconductor 12 are mixed, A pair of flexible power lines 2 and 3 that are embedded in or embedded in the upper and lower surfaces of the heating unit 4 to supply power necessary for generating heat; An upper surface and a lower surface of the fiber monolayer 10 or a lower surface of the fiber monolayer 10 and a side surface of the flexible heating portion 4 And an insulating coating layer 5 of a predetermined thickness which protects the flexible ceramic heater 1d and maintains insulation and ductility. The flexible ceramic heater 1d is flexible and heat-resistant without being folded or wrinkled, and thus can be used in various industrial fields.

The soft nonconductor 12 is made of silicone and / or a heat resistant rubber material and has a flexible property, a flexible state or a flexible structure. The heating conductor 11 is made of iron powder, copper powder, carbon powder, At least two materials are mixed at a predetermined ratio. When a power source is supplied to the flexible power lines 2 and 3, heat is generated at a predetermined temperature by a resistor.

The power lines 2 and 3 located in the flexible heating unit 4 are electrically connected to the pair of power lines 11 exposed to the outside of the flexible heating unit 4, 2) (3) is covered with an insulating sheath.

The cross-sectional shape of the power lines 2 and 3 may be circular, rectangular, or polygonal. The cross-sectional shape of the power lines 2 and 3 may be a straight line in the longitudinal direction or may be zigzag in the longitudinal direction to increase the contact area with the flexible heating part 4, The overall thickness (height) of the flexible ceramic heater 1d can be reduced in the case of a rectangular cross-sectional shape having a low height.

The temperature sensor 9 to which the signal line 8 is connected in the present invention can be constructed so that the use temperature of the flexible ceramic heater 1d is controlled in cooperation with the temperature controller (not shown) by being placed in the flexible heating section 4 .

The present invention is characterized in that a heating conductor 11 and a soft nonconductor 12 are uniformly mixed at a weight ratio of 40 to 60:60 to 40 and molded into a plane shape with a predetermined thickness, (3) is long, and an insulating coating layer (5) of a predetermined thickness made of liquid silicone, which is insulative and viscous liquid silicone or viscous and heat-resistant liquid rubber which does not contain conductors or has no conductivity, and which is outside of the flexible ceramic heater Or the insulating coating layer 5 is coated or deposited on the entire outer surface as shown in Fig. 11, so that the flexible ceramic heater 1d including the heating portion 4 is protected.

The flexible non-conductive material 12 and the insulating coating layer 5 constituting the heating part 4 are made of silicone and / or heat-resistant rubber and are given a flexible property, and the heating conductor 4, which constitutes the flexible heating part 4, (12) is heated when iron powder, copper powder, carbon powder, etc. are mixed at a predetermined ratio and power is supplied to the power lines (2) and (3).

As shown in FIG. 8, the heating conductor 11 is in contact with the adjacent heating conductors 11, and the space between the heating conductors 11 is filled with the soft nonconductor 12 and is allowed to bend with the binder holding the heating conductor 11 The flexible state is maintained.

9 shows that the heating conductor 11 can be disposed in close contact with the heating conductor 11 as much as possible. FIG. 10 shows that the heating conductor 11 can be arranged in rows and columns. In the case of FIG. 9, (11) are arranged as close as possible to each other, so that the amount of the mixed non-conductive material (12) is larger than that of FIG.

In the present invention, the heating conductor 11 generates heat by mixing iron powder, copper powder, and carbon powder at a proper ratio so as to have a predetermined resistance.

That is, in the flexible surface heating element of the present invention, the iron powder, the copper powder, and the carbon powder are in a powder form (or particulate form) having a size of 0.02 to 0.2 mm and at least two or more substances are mixed evenly, The flexible non-conductors 12 acting as a binder (adhesive) are mixed at a predetermined ratio so that the heat conductors 11 are brought into contact with each other. Therefore, power is generated by iron powder, copper powder, iron powder, copper powder and carbon powder, and heat is generated by resistance.

The flexible ceramic heater 1d according to the present invention comprises a heating conductor in which iron powder having a size of 0.02 to 0.2 mm and copper powder are uniformly mixed in a weight ratio of 70 to 50:30 to 50 and a heating conductor in which the heating conductor and the soft non- 30 to 15 weight ratio, then obtaining a flexible heating part of a predetermined thickness formed into a plane shape, embedding a soft power line in the flexible heating part, attaching a fibrous monolayer to the upper and lower surfaces of the flexible heating part, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the fibrous monolayer.

The flexible ceramic heater 1d according to the present invention comprises a heating conductor in which iron powder having a size of 0.02 to 0.2 mm and carbon powder are uniformly mixed in a weight ratio of 70 to 50:30 to 50 and a heating conductor in which the heating conductor and the soft non- 30 to 15 weight ratio, then obtaining a flexible heating part of a predetermined thickness formed into a plane shape, embedding a soft power line in the flexible heating part, attaching a fibrous monolayer to the upper and lower surfaces of the flexible heating part, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the fibrous monolayer.

A flexible ceramic heater (1d) according to the present invention comprises: a heating conductor in which carbon powder having a size of 0.02 to 0.2 mm and copper powder are mixed in a weight ratio of 70: 50: 30 to 50; 30 to 15 weight ratio, then obtaining a flexible heating part of a predetermined thickness formed into a plane shape, embedding a soft power line in the flexible heating part, attaching a fibrous monolayer to the upper and lower surfaces of the flexible heating part, And then depositing an insulating coating layer having a predetermined thickness on the upper and lower surfaces of the fibrous monolayer.

The flexible ceramic heater 1d according to the present invention is produced by mixing a carbon powder having a size of 0.02 to 0.2 mm with a soft nonconductor at a weight ratio of 70 to 85:30 to 15 and then obtaining a flexible heating part of a predetermined thickness, A flexible power line is embedded in the flexible heating part, a fiber monolayer is attached to the upper and lower surfaces of the flexible heating part, and an insulation coating layer having a predetermined thickness is attached to the upper and lower surfaces of the fiber monolayer.

The iron powder has a high internal resistance, and an iron powder and / or a carbon powder having an appropriate internal resistance are used to obtain an appropriate heat generating temperature. Copper having a low internal resistance is mixed and positioned to be positioned between the ends of the iron powder and the iron powder, so that adequate conductivity and heat generation are achieved.

The iron powder and the copper powder are uniformly mixed at a weight ratio of 70 to 50:30 to 50 to obtain a heating conductor 11. The heating conductor 11 and the soft nonconductor 12 are mixed at a weight ratio of 70 To 85: 30 to 15, followed by shaping into a planar shape to obtain a flexible heating part 4 of a predetermined thickness.

One of the materials constituting the heating conductor 11 is carbon having an inorganic or organic graphite structure. Examples of the carbon fiber include a carbon fiber made of yarn, a powder made of powder, a carbon felt made of cotton, Solidified carbon rods, and the like. Such carbon is stronger than iron and lighter than aluminum because of its high elasticity and strength.

Since the heating conductor (11) uses a heating element such as iron powder, copper powder or carbon powder as the heating conductor (11), the heating capacity is small and the rising and falling temperature characteristics are excellent and also the high temperature durability is excellent in a non-oxidizing atmosphere. Drying apparatus, and the like.

The soft non-conductive material 12 may be a moisture-curable silicone adhesive or a moisture-curable silicone rubber used in a wide range of applications including construction, electronic devices, package assemblies and appliance assemblies Rubber) and has sufficient strength, toughness and heat resistance.

The soft non-conductive material 12 may be a white or gray paste-like, multi-purpose silica silicate having a viscosity of 60,000 to 80,000 (based on 25 ° C) and a high heat resistance and a nonvolatile nature.

The soft non-conductive material (12) is a multi-purpose sealant, which is a non-acetic acid one-component product with little irritating odor and little corrosion, and is excellent in weather resistance and durability and has excellent adhesiveness and workability. .

The soft nonconductor 12 is of a neutral curing type and has a surface hardening time of 5 to 10 minutes, a complete hardening time of 7 to 14 hours, a specific gravity of 1.43 ± 0.05, a hardness of 35 to 45, a tensile strength of 1.5 N / , A maximum elongation of 250 to 400%, and a variety of colors can be selected (for example, trade name: Pore Seal SS900, or trade name: Hansan Silicone HS300).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It is self-evident to those of ordinary skill.

(1) (1a) (1b) (1c) - Ceramic heater (1d) - Flexible ceramic heater
(2) (3) -Power line (4) -Hitting part
(5) - insulated coating layer (6) -
(7) - Fixing section (8) - Signal line
(9) -temperature sensor (10) -fibrous monolayer
(11) - heating conductor (12) - ductile insulator

Claims (14)

Iron powder with a size of 0.02 ~ 0.2 mm, copper powder and ceramic powder were mixed evenly at a weight ratio of 40 ~ 30: 30 ~ 50: 30 ~ 20, then mixed with water at a weight ratio of 4: 1, A pair of power lines 2 and 3 which are not covered with the power lines 2 and 3 are arranged and then molded and dried at a high temperature at a room temperature to form a heating portion 4 having a predetermined internal resistance (resistance required for heat generation) A heater fixing portion 4 for fixing the heating portion 4 and a power supply line 2 and 3 are drawn out to one side or both sides of the heating portion 4 and an insulating coating layer 5 is coated on the outer surface of the heating portion 4, 7). The method of claim 1,
Wherein the carbon powder is mixed with the iron powder at a weight ratio of 60:40 to 40:60 by mixing the iron powder and the carbon powder. The method according to claim 1 or 2,
Iron powder and copper powder are conductors with internal resistance,
Wherein the ceramic powder is a mixture of at least one of a loess powder, an elvan powder, a jade powder, a germanium powder, a lozenge powder, and a silicon powder. The method according to claim 1 or 2,
Wherein the heating portion is any one of a bar shape, a funnel shape, a planar shape, a cylindrical shape, and a deformed shape thereof. The heating conductor (11) and the flexible non-conductor (12) are uniformly mixed and molded to form a flexible heating part (4);
A pair of soft power supply lines (2) (3) provided in the heating unit (4) to supply power necessary for heat generation;
A fibrous monolayer 10 deposited on the top and bottom surfaces of the heating unit 4, respectively;
An insulating coating layer 5 deposited on the upper and lower surfaces of the fiber monolayer 10 to have a predetermined thickness to maintain insulation and ductility;
. The method of claim 5,
The heating unit (4)
Wherein the heating conductor (11) and the flexible non-conductor (12) are mixed and molded at a weight ratio of 70 to 85: 30 to 15, The method according to claim 5 or 6,
An insulating coating layer (5) attached to both sides of the flexible heating part (4) and having a predetermined thickness to maintain insulation and softness;
Further comprising: a flexible surface heating element. The method according to claim 5 or 6,
The soft non-
A ceramic heater characterized in that it is a moisture-curable silicone adhesive, a moisture-curable silicone rubber, a rubber, or a non-acetic acid silicone sealant. The method according to claim 5 or 6,
A temperature sensor 14 to which a signal line 13 installed in the heating unit 4 is connected;
Further comprising a ceramic heater. An exothermic conductor in which iron powder having a size of 0.02 to 0.2 mm and copper powder are mixed in a weight ratio of 70 to 50:30 to 50 and a mixture of the exothermic conductor and the ductile insulator at a weight ratio of 70 to 85:30 to 15, To obtain a flexible heating portion having a predetermined thickness,
A soft power line is added to the heating unit,
A fiber monolayer is attached to the upper surface and the lower surface of the heating unit and an insulating coating layer having a predetermined thickness is attached to the upper surface and the lower surface of the fiber monolayer,
A method for manufacturing a ceramic heater. An iron powder having a size of 0.02 to 0.2 mm and a carbon powder mixed in a weight ratio of 70 to 50:30 to 50 and a mixture of the heating conductor and the ductile insulator at a weight ratio of 70 to 85:30 to 15, To obtain a flexible heating portion having a predetermined thickness,
A flexible power line is embedded in the heating unit,
A fiber monolayer is attached to the upper surface and the lower surface of the heating unit and an insulating coating layer having a predetermined thickness is attached to the upper surface and the lower surface of the fiber monolayer,
A method for manufacturing a ceramic heater. A heating conductor in which carbon powder having a size of 0.02 to 0.2 mm and copper powder are mixed evenly at a weight ratio of 70 to 50:30 to 50 and the heating conductor is mixed with the soft nonconductor at a weight ratio of 70 to 85:30 to 15, To obtain a flexible heating portion having a predetermined thickness,
A flexible power line is embedded in the flexible heating unit,
A layer of a fibrous monolayer is attached to the upper and lower surfaces of the flexible heating part and an insulating coating layer of a predetermined thickness is attached to the upper and lower surfaces of the fibrous monolayer
A method for manufacturing a ceramic heater. A carbon powder having a size of 0.02 to 0.2 mm and a soft non-conductive material are mixed at a weight ratio of 70 to 85: 30 to 15, and then a flexible heating part having a predetermined thickness,
A flexible power line is embedded in the flexible heating unit,
A layer of a fibrous monolayer is attached to the upper and lower surfaces of the flexible heating part and an insulating coating layer of a predetermined thickness is attached to the upper and lower surfaces of the fibrous monolayer
A method for manufacturing a ceramic heater. The method according to any one of claims 10 to 13,
The soft non-
Characterized in that it is a moisture-curable silicone adhesive, a moisture-curable silicone rubber, a rubber, or a non-acetic acid silicone sealant.
KR1020140059467A 2014-05-19 2014-05-19 Method of ceramic heater and its ceramic heater KR20150132915A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107348540A (en) * 2017-07-24 2017-11-17 江苏天蓬饲料有限公司 A kind of feed mixing heater
CN110375542A (en) * 2019-08-29 2019-10-25 兰州天洁炭素应用技术有限公司 A kind of muffle furnace monoblock type heating cooking stove and its preparation process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107348540A (en) * 2017-07-24 2017-11-17 江苏天蓬饲料有限公司 A kind of feed mixing heater
CN110375542A (en) * 2019-08-29 2019-10-25 兰州天洁炭素应用技术有限公司 A kind of muffle furnace monoblock type heating cooking stove and its preparation process

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