CN2307419Y - Electric heating component for electric heating device - Google Patents

Abstract

The utility model relates to an electric heating component for various electric heating devices. A steel sheet 1 is used as a basal body, and the steel sheet 1 is coated with vitreous enamel 3. The vitreous enamel 3 is coated with electric heating coating material 4 and is made into a firmly fixed electrode 10. The utility model has the advantages of simple structure, reasonable design, low cost, high thermal efficiency, wide range of application, etc.

Description

The new electrically heating element that is used for electric heating appliance

The utility model relates to a kind of new electrically heating element that is common to various electric heating appliances.

The electric heating element of existing electric heating appliance mainly contains resistance wire, electrothermal tube, electric hot plate, organic electro-thermal films and high-temperature electric heat coating.Resistance wire and electrothermal tube mainly are to conduct heat by radiation and convection current in air, touch the conduction heat and can not be abutted against, so the heat efficiency is low.And electric hot plate uses cast aluminium in a large number because of needs, the manufacturing process complexity, the cost height, heat is passed to magnesium oxide by resistance wire, pass to metal tube, pass to cast aluminium, pass to and be heated container, pass at last on the heating object, the heat efficiency is still undesirable, and too much because of the conduction link, time heating object that will be long after the energising could be warm, makes troubles to use.Electric radiant Heating Film is a kind of organic substance, and heating power is widely used in electric water boiler, but resistance to elevated temperatures is poor, can only be used for boiling water, Baoshang, and accommodation is little.High-temperature electric heat coating is a kind of novel heating power material that China develops in recent years, its stabilized operating temperature is 500-550 ℃, operating voltage all can be used from the 6V-380V alterating and direct current, heat efficiency height, work safety, with low cost, to make advantages such as simple, environmentally safe, anti-aging, long service life be the thermo electric material of new generation that replaces resistance wire, electrothermal tube, electric hot plate and Electric radiant Heating Film, but this material can only be coated in heating power on the nonmetallic materials such as glass, pottery, cement, asbestos board, and these materials all are the non-conductors of heat.

The purpose of this utility model is exactly the weak point at above-mentioned technology, a kind of ability high temperature more than 700 ℃ is provided, the insulating material of the above voltage of anti-2000V, it and steel plate and high-temperature electric heat coating all have good adhesive, it is coated between steel plate and the high-temperature electric heat coating plays insulating effect, solve high-temperature electric heat coating electroplax fixation problem simultaneously.That steel plate, insulating material, high-temperature electric heat coating and the electrode that fixedly secures are formed is simple in structure, with low cost, the heat efficiency is high, the new electrically heating element that is used for electric heating appliance of long service life.

The purpose of this utility model is achieved in that a kind of new electrically heating element that is used for electric heating appliance, it is characterized in that doing matrix with steel plate 1, scribbles enamel 3 on steel plate 1, scribbles electric-heating coatings 4 on the enamel 3; Do matrix with steel plate 1, steel plate 1 two ends are welded with the junction block 2 in two band lead fixed holes, steel plate 1 and junction block 2 are warded off enameling 3 and are done insulating barrier, on enamel 3, coat high-temperature electric heat coating 4, coat electrically-conducting paint 5 at the two ends of high-temperature electric heat coating 4, it is applied on the junction block 2 that has been encased by enamel through enamel 3 by high-temperature electric heat coating 4.On steel plate, ward off enameling as the new electrically heating element body, as the insulating barrier between high-temperature electric heat coating and the steel plate, on enamel, coat high-temperature electric heat coating, respectively make one of binding post at the two ends of high-temperature electric heat coating, after treating the high-temperature electric heat paint solidification, on binding post, connect 220V or 380V power supply, electric current flows through the binding post that high-temperature electric heat coating flow to the other end by the binding post of an end, electric current flows through high-temperature electric heat coating, make its heating, its stabilized operating temperature is 500-550 ℃, reaches as high as 700 ℃, and this is the new electrically heating element that is used on the electric heating appliance.

Below in conjunction with specific embodiment technical characterictic of the present utility model is described in further detail.

Fig. 1 Fig. 3 is the utility model connection terminal structure schematic diagram,

Fig. 2 Fig. 4 is a structural representation of the present utility model.

Steel plate 1, junction block 2, enamel 3, electric-heating coatings 4, electrically-conducting paint 5, insulating washer 6, packing ring 7, nut 8, screw 9, terminal strip 10.

Shown in Figure 2 as Fig. 1, for being used for the new electrically heating element of small-power electric heating utensil, it is characterized in that making matrix with steel plate 1, to play the junction block 2 that two steel plates of binding post effect make with the lead fixed hole with the method for roll welding or spot welding welds together, with steel plate 1 and junction block 2 enamel that weld, but steel plate 1 single face enamel 3, then insulating properties is better as counterenamel, and is safer.Warded off at steel plate on the face of enameling, coat high-temperature electric heat coating 4, after treating the high-temperature electric heat paint solidification, at the two ends of high-temperature electric heat coating 4 with electrically-conducting paint 5 by high-temperature electric heat coating 4, be applied on the junction block 2 that has been encased by enamel through enamel, after treating that electrically-conducting paint 5 solidifies, connect the power supply of 220 volts or 380 volts at place, the lead fixed hole of two junction blocks 2, electric current is flow to the electrically-conducting paint 5 of the other end through high-temperature electric heat coating 4 by the electrically-conducting paint 5 of an end, the high-temperature electric heat coating heating of energising back, as not adding control, its stabilized operating temperature is 500-550 ℃.

Shown in Figure 4 as Fig. 3, for being used for the new electrically heating element of high power electrothermal utensil, it is characterized in that making matrix with steel plate 1, with 4 steel screws 9 of portable butt-welding machine welding, steel screw 9 welds have 1.5-2mm polished rod part, the steel plate 1 that has welded is warded off enameling 3 with screw 9, but but also counterenamel 3 of steel plate 1 single face, then insulating properties is better as counterenamel, and is safer, screw 9 enamel are to the polished rod part of screw 9, and threaded portion is enamel not.To have the lead fixed hole, and be contained on the enamel 3 by screw 9 as two terminal strips 10 of binding post, terminal strip 10 is generally copper strips, and its thickness is between 0.3-0.8.Insulating washer 6, plain washer 7, nut 8 are installed on the screw 9 nut 8 of tentatively screwing on.High-temperature electric heat coating 5 is coated with on the upper and lower surface and enamel 3 that is contained in terminal strip 10, tightening nuts 8 is pressed on terminal strip 10 on the enamel 3, this moment, insulating washer 6 should exceed more than the polished rod part 1mm of screw 9, to guarantee that screw can be not charged, insulating washer can be manufactured with asbestos, mica or dielectric ceramic.After treating that high-temperature electric heat coating 4 solidifies, on two lead fixed holes of terminal strip 10, connect the power supply of 220 volts or 380 volts, electric current is through the terminal strip 10 of an end, flow to the terminal strip 10 of the other end by high-temperature electric heat coating 4, make the heating of high-temperature electric heat coating, this moment, the new electrically heating element will be at 500-550 ℃ of following steady operation as not adding control.

The utility model has following features compared to existing technology: simple in structure, reasonable in design, Cost is low, and thermal efficiency height is widely applicable etc.

Claims (3)

1, a kind of new electrically heating element that is used for electric heating appliance is characterized in that doing matrix with steel plate 1, scribbles enamel 3 on steel plate 1, scribbles electric-heating coatings 4 on the enamel 3, at the two ends of electric-heating coatings 4, does matrix with steel plate 1, welds two binding posts.Binding post can be the junction block 2 in band lead fixed hole, steel plate 1 and junction block 2 are warded off enameling 3 and are done insulating barrier at this moment, coat electric-heating coatings 4 on enamel 3, coat electrically-conducting paint 5 at the two ends of electric-heating coatings 4, it is via electric-heating coatings 4, and enamel 3 is applied on the junction block 2 that is encased by enamel; Binding post can also be the terminal strip 10 in two band lead fixed holes, at this moment, steel plate 1 and 4 screw 9 welding, the polished rod part enamel of steel plate 1 and 4 screws 9, the terminal strip 10 in two band lead fixed holes is contained in respectively on the screw 9 at electric-heating coatings two ends, with insulating washer 6, plain washer 7 and nut 8 are fixing, and electric-heating coatings 4 is coated on the upper and lower surface of enamel 3 and terminal strip 10.

2, according to the claim 1 described new electrically heating element that is used for electric heating appliance, it is characterized in that having a perspective plane for circular, its matrix is a steel plate, enamel on steel plate is coated with electric-heating coatings on the enamel, at the two ends of electric-heating coatings, make matrix with steel plate, weld two binding posts.Binding post can be the junction block in band lead fixed hole, and steel plate and junction block are warded off enameling and done insulating barrier at this moment, coat electric-heating coatings on enamel, two ends at electric-heating coatings, coat electrically-conducting paint, it is via electric-heating coatings, and enamel is applied on the junction block that is encased by enamel; Binding post can also be the terminal strip in two band lead fixed holes, this moment steel plate and 4 screw welding, the polished rod part enamel of steel plate and 4 screws, the terminal strip in two band lead fixed holes is contained in respectively on the screw at electric-heating coatings two ends, with insulating washer, plain washer and fixed by nut, electric-heating coatings is coated on the upper and lower surface of enamel and terminal strip.

3, according to the claim 1 described new electrically heating element that is used for electric heater, it is characterized in that it is shaped as pipe, its matrix is a steel, the outer surface enamel of steel pipe, be coated with electric-heating coatings on the enamel,, do two binding posts of matrix welding with steel pipe at the two ends of electric-heating coatings.Binding post can be the junction block in band lead fixed hole, and at this moment, steel pipe and junction block are warded off enameling, coat electric-heating coatings on enamel, and coat electrically-conducting paint it is applied on the junction block that has been encased by enamel through electric-heating coatings, enamel at the two ends of electric-heating coatings; Binding post can also be the terminal strip in band lead fixed hole, at this moment, the screw welding of steel pipe outside and link bar, steel pipe and screw polished rod part enamel, two terminal strips that have the lead fixed hole are contained in respectively on the screw at electric-heating coatings two ends, with insulating washer, plain washer and fixed by nut, electric-heating coatings is coated on the upper and lower surface of enamel and terminal strip.

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