CN104643949A - Electrical heating plate, electric cooker and manufacture method of electrode column - Google Patents
Electrical heating plate, electric cooker and manufacture method of electrode column Download PDFInfo
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- CN104643949A CN104643949A CN201510076320.XA CN201510076320A CN104643949A CN 104643949 A CN104643949 A CN 104643949A CN 201510076320 A CN201510076320 A CN 201510076320A CN 104643949 A CN104643949 A CN 104643949A
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Abstract
The invention discloses an electrical heating plate. The electrical heating plate comprises an electrical heating piece for converting electrical energy into heat energy and a supporting carrier for supporting the electrical heating piece, wherein the electrical heating piece comprises a high temperature-resistant base body, a heating firm and an electrode; the heating film covers the base body; the electrode comprises a power supply buckle for supplying power and an electrode column; the power supply buckle is provided with a clamp hole adapted to the electrode column in shape; one end of the electrode column is fixedly connected with the base body, and the other end of the electrode column is arranged in the clamp hole; one end, which is far from the clamp hole, of the power supply buckle is fixed through a fastening piece; the supporting carrier is manufactured by a high temperature-resistant insulation material. The invention further discloses a manufacture method of the electrode column and an electric cooker. The clamp hole and the electrode column are arranged to be corresponding in shape, so that a conducting film on the surface of the electrode post is in sufficient contact with the inner surface of the clamp hole, so that the conducting electrode column and the copper power supply buckle are in good contact; therefore, the security, reliability and stability on the connection can be improved.
Description
Technical field
The present invention relates to the preparation method of a kind of electric heating plate, electric cooker and electrode column.
Background technology
With the quickening pace of modern life, electric cooker becomes articles for daily use indispensable in life.Existing electric cooker major part adopts traditional electric-heating-wire-heating and electromagnetic heating technique, and such efficiency of heating surface is lower, is unfavorable for environmental protection and energy saving.Can add heating film in electric heating plate to improve the efficiency of heating surface, but the connected mode of existing heating film and power supply causing electric heating plate heat conduction uneven, also having influence on the effect of heat radiation conduction.
Summary of the invention
Main purpose of the present invention is to provide a kind of electric heating plate, aims to provide heating film and is connected good electric heating plate and electric cooker with power supply.
For achieving the above object, the invention provides a kind of electric heating plate, described electric heating plate comprises the electric heating part for by electric energy conversion being heat energy and is used for supporting the prop carrier of described electric heating part; Described electric heating part comprises resistant to elevated temperatures matrix, heating film and electrode; Described heating film covers on the matrix; Described electrode comprises the power supply button for powering, and electrode column; Described power supply button is provided with the folder hole with described electrode column shape adaptation, and one end of described electrode column is fixedly connected with described matrix, and the other end of described electrode column is arranged in described folder hole, and described power supply button is fixed by securing member away from one end of described folder hole; Described prop carrier is that the material of high-temperature insulation is made.
Preferably, described electrode column comprises the pilum be fixedly connected with described matrix and the conducting film being arranged at described pilum surface, and described conducting film is connected with described heating film.
Preferably, described electrode also comprises pole plate, and the side of described pole plate is connected with described conducting film, and opposite side and described heating film are fitted.
Preferably, described conducting film is platinum alloy film or cobalt-base alloys film.
Preferably, described pole plate comprises pole piece and covers the electrode film of described pole piece, and described electrode film is platinum alloy film or cobalt-base alloys film.
Preferably, described heating film comprises silicon carbide layer, molybdenum disilicide layer and silicon dioxide layer, and successively conforming layer superimposition lid on the matrix, described silicon carbide layer and described substrate contact.
In addition, for achieving the above object, the present invention also provides a kind of preparation method of electrode column, and the manufacturing step of described electrode column comprises: make the balanced fine and close alloy firm of the top layer shape of pilum by radio-frequency sputtering process; The process of laser high temperature sintering is carried out to described alloy firm; Again electrostatic spray deposition processes is carried out to described alloy firm; Described pilum after sprayed deposit is carried out coating and bakes process.
In addition, for achieving the above object, the present invention also provides a kind of electric cooker, and described electric cooker comprises electric heating plate, and described electric heating plate comprises the electric heating part for by electric energy conversion being heat energy and is used for supporting the prop carrier of described electric heating part; Described electric heating part comprises resistant to elevated temperatures matrix, heating film and electrode; Described heating film covers on the matrix; Described electrode comprises the power supply button for powering, and electrode column; Described power supply button is provided with the folder hole with described electrode column shape adaptation, and one end of described electrode column is fixedly connected with described matrix, and the other end of described electrode column is arranged in described folder hole, and described power supply button is fixed by securing member away from one end of described folder hole; Described prop carrier is that the material of high-temperature insulation is made.
Preferably, described electric heating plate also comprises temperature controller, and described prop carrier is provided with the installing hole for installing described temperature controller; Described temperature controller is provided with a side contacts of heating film through described installing hole and described matrix.
Preferably, described heating film is provided with and dodges region for what dodge described temperature controller.
The present invention is corresponding with the shape of electrode column by the shape of folder hole being arranged to, the conducting film on electrode column surface is fully contacted with the inner surface of folder hole, conductive pole column and copper power supply snapping are touched good, be conducive to the security, the reliability and stability that improve this junction.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of electric heating plate of the present invention;
Fig. 2 is the plan structure schematic diagram of electric heating plate of the present invention;
Fig. 3 is the cross-sectional view at B-B place in Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram at A place in Fig. 3;
Fig. 5 is the mounting structure schematic diagram of the electrode column of electric heating plate of the present invention;
Fig. 6 be the pole piece of electric heating plate of the present invention cut structural representation open;
Fig. 7 is the structure for amplifying schematic diagram at C place in Fig. 6;
Fig. 8 is the structural representation of the heating member of heating plate of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of electric heating plate 1.
In embodiments of the present invention, with reference to Fig. 1, this electric heating plate 1 comprising electric heating part 2 for by electric energy conversion being heat energy, being used for supporting the prop carrier 60 of electric heating part 2, and for the temperature controller 100 of detection and control temperature of heating member.
Electric heating part 2 comprises matrix 10, the heating film 40 of high-temperature insulation, and electrode.
Matrix 10 is preferably high-temperature insulation devitrified glass, health Buddhist nun glass in being preferably in the present embodiment, and it can the high temperature of resistance to more than 800 DEG C.Matrix 10 is circular slab, certainly, in other embodiments, can be tubulose or other shapes.The circle centre position of circular slab raises up the curved surface being formed as raising up.The side of matrix 10 is provided with CD line, to increase the security getting rid of moisture when heating to external object.At the edge of matrix 10, arrange separator 11 in the side being relatively set with CD line, separator 11 is annulus, and it is fixedly connected with matrix 10, forms a container cavity.Electrode column 20 is also provided with, for giving electrode power supply in the side being provided with container cavity.Electrode column 20 comprises pilum 22 and conducting film 21, and conducting film 21 covers the outer surface of pilum 22.In the present embodiment, be that high-temperature insulation devitrified glass post (pilum 22) is upper to be wrapped up conducting film 21 and formed being similarly with matrix 1 as the electrode column 20 of electrode.High-temperature insulation devitrified glass post is two shape of cross sections is oval cylinder, and pilum 22 is perpendicular to the plate face of matrix 10, and extend towards the direction deviating from matrix 10, high-temperature insulation devitrified glass post and matrix 10 are wholely set.
Electrode comprises pole plate 30,90 and described electrode column 20 (extending from matrix 10) are buckled in power supply.
Pole plate 30 comprises pole piece 31 and electrode film 32, the surface that electrode film 32 covers whole pole piece 31 is wrapped up, pole piece 31 is made for alloy material, and the material of electrode film 32 is platinum alloy film or cobalt-base alloys film, and the thickness of electrode film 32 is between 1.5 μm-3.5 μm.In the present embodiment, in order to increase the contact area with heating film 40.Pole plate 30 is designed to the structure of the strip plate of circular arc, and the concave arc of two-plate 30 is arranged in opposite directions, and the right central angle of the arc structure of each pole plate 30 is between 30 °-120 °.
The material of electrode film 32 is for platinum alloy, and the technique that pole piece 31 is formed comprises the following steps:
S1: make to form the balanced fine and close platinum alloy film of one deck on the top layer of pole piece 31 by radio-frequency sputtering process;
S2: the process of laser high temperature sintering is carried out to the pole piece 31 being coated with platinum alloy film;
S3: again electrostatic spray deposition processes is carried out to the pole piece 31 after high temperature sintering;
S4: the pole piece 31 after sprayed deposit is carried out coating and bakes process.
Power supply button 90 preferably copper button, refers to Fig. 5, and for fixed electrode post 20 in the inner, one end of power supply button 90 is formed with folder hole 91 to power supply button 90, the shape and size of folder hole 91 and electrode column 20 adaptation, so that collecting also holding electrode post 20; The other end of power supply button 90 is connected with a power supply.Electrode column 20 is set in folder hole 91, fastening by securing member, and the outer surface of electrode column 20 is fully contacted with the inner surface of folder hole 91.Concrete securing member can adopt screw, the mode of through hole utilizing screw to lock to power relative two ends buckleing 90 to offer and realize electrode column 20 being fixed on power supply and buckle in 90, it is conducting film 21 that the high-temperature insulation devitrified glass post of electrode column 20 wraps up conductive film, and the process arranging conducting film 21 is as follows:
S10: form the balanced fine and close alloy firm of one deck on the top layer of high-temperature insulation devitrified glass by radio-frequency sputtering process;
S20: the process of laser high temperature sintering is carried out to the electrode column 20 being coated with alloy firm;
S30: again electrostatic spray deposition processes is carried out to the electrode column 20 after high temperature sintering;
S40: the electrode column 20 after sprayed deposit is carried out coating and bakes process.
The thickness of conducting film 21 is between 2 μm-5 μm, and alloy is preferably platinum alloy or cobalt-base alloys.Conducting film 21 contacts with the electrode film 32 on pole piece 31 and overlaps.Conducting film 21 and the junction of power supply button 90 inner surface on electrode column 20 surface, be designed to bear 3 times that maximum operating current is greater than or equal to electric hot tray general power.
By the shape of folder hole 91 being arranged to close with the matching form of electrode column 20, the conducting film 21 on electrode column 20 surface is fully contacted with the inner surface of folder hole 91, conductive pole column 20 is contacted well with copper power supply button 90, is conducive to the security, the reliability and stability that improve this junction.
Heating film 40 comprises silicon carbide layer, molybdenum disilicide layer and silicon dioxide layer etc.Wherein carborundum, molybdenum disilicide are purity is 99.95% high-temperature resistant nano material.The thickness of heating film 40, preferably between 0.8 μm-2 μm, is more excellent with 1.2 μm.Heating film 40 is according to the order of silicon carbide layer, molybdenum disilicide layer and silicon dioxide layer, and covering of stacking gradually is provided with on the matrix 10 plate face of container cavity side, and wherein silicon carbide layer contacts with matrix 10.Heating film 40 is arranged in container cavity, and heating film 40 and outside separate by separator 11.In addition, heating film 40 can cover on difform matrix 10, forms difform heating member 2, thus it is widely used, and embody rule product can be baking box, disinfection cabinet, electromagnetic oven.When the material of matrix 10 adopts other materials or shape to adopt other shapes, heating member 2 can be applicable to as water heater, boiler, water dispenser, the electrical heating such as heating kettle and immersion heater product.
The formation process of heating member 2 is as follows:
S100: the process of mask sputtering alloy firm is carried out to pole plate 30 and electrode column 20;
S200: the predeterminated position (namely near the electrode column 20) electrode after process being set to matrix 10;
S300: be provided with matrix 10 surface depositing silicon carbide and the molybdenum disilicide successively of pole plate 30 and electrode column 20;
S400: anneal oxidation process is carried out, to form silicon dioxide layer to post-depositional electric heating part 2.
Wherein, the power of depositing silicon carbide and molybdenum disilicide is 4 watts every square centimeter successively, and the power spraying to high-temperature insulation devitrified glass surface by molten metal is 4 watts every square centimeter.Sprayed devitrified glass surface by firm power, make the thickness of the heating film 40 generated even, thus make heating film 40 when producing heat, also consistent heat generation, is conducive to the food thermally equivalent in lining of electric cooker.The surface of heating film 40 is oxidized to resistant to elevated temperatures silica polycrystalline structure, has completely cut off oxygen, effectively improves life-span and the safety coefficient of heating film 40.
Fitted in the plate face of pole plate 30 and the lower surface of high-temperature insulation devitrified glass, because pole plate 30 is tabular, and be the arc plate of strip, make fully contacting of pole plate 30 and heating film 40, and uniform contact, thus make the electrical current even density between pole plate 30 and heating film 40, be conducive to even, the stable heat-dissipating of heating film 40.
In spraying process, be provided with the position of pole plate 30, the thickness of film is the thickness sum of heating film 40 and electrode film 32, and in the position that electrode film 32 and heating film 40 overlap, the operating current that can bear is greater than or equal to 2.5 times of electric hot tray general power.Conducting film 21 is fully connected with electrode film 32, and connection is therebetween even, reliable and stable, is conducive to the heat-dissipating of heating film 40 safety and stability.
Prop carrier 60 is ceramic disc plate, and its geomery is corresponding with the geomery of matrix 10, and pottery is preferably high temperature resistant high technology ceramics.In the position of corresponding two electrode columns 20 of prop carrier 60, be provided with two via holes 70, be convenient to allow two electrode columns 20 through prop carrier 60, coordinate with power supply button 90.
When above-mentioned heating member 2 is applied to electric cooker, during heating component as electric cooker, prop carrier 60 can be set to play a supporting role to heating member 2 in the below of heating film 40.Particularly, the architectural characteristic of collocation electric cooker, at the circle centre position of prop carrier 60, is provided with the installing hole 61 of shape and size and temperature controller 100 adaptation, the position that the corresponding temperature controller 100 of heating film 40 is arranged, is provided with and dodges region 41 for what dodge temperature controller 100.Dodge region 41 jointly to pass for temperature controller 100 with installing hole 61.Owing to being provided with sensor in temperature controller 100, and heating film 40 is charged in work process, in order to avoid the sensor in temperature controller 100 sustains damage, when spraying-and-heating film 40, reserves and dodges territory, district 41.
Above-mentioned heating film 40 adopts nano-meter far infrared principle of electric-heating, its concrete operation principle is: the surperficial blackness of the heating film 40 formed on high-temperature insulation devitrified glass surface is high, therefore can a large amount of radiant heat energies be absorbed, again because its emission effciency is high, therefore the radiant heat energy of absorption can be converted to the far infrared heat energy that object easily absorbs and transmit in the form of an electromagnetic wave, again because heating film 40 is micron order electric-heating thin film, its thermal resistance is large, reflectivity is high, for electric hot tray surface, lost thermal power transfer is become far infrared heat energy, permeation high temperature resistant glass radiation external object in the form of an electromagnetic wave, as inner pan of electric cooker courage, by being absorbed by warmer drinks food of pot courage, thus heat energy to be stayed in rice cooker in pot courage and drink food, because far infrared heat energy is not easily by moisture absorption, these heating means are made to not only reduce humidity discharging temperature, and within the several seconds, make the temperature in inner pan of electric cooker courage raise rapidly, the drink food temperature of inner pan of electric cooker courage is fully utilized.In diabatic process, this dope layer not only converts the radiant heat energy of absorption to far infrared heat energy transmission, himself also becomes far infrared radiation thermal source and carries out face vertical radiation, and because of the raising of its surface temperature, thermograde is caused to increase, make by the drink food thermal energy conduction intensity enhancing heated, heat absorption capacity improves greatly.In addition, by prop carrier 60 is arranged to resistant to elevated temperatures high technology ceramics, isolates bottom the heat that heating film 40 can be produced by prop carrier 60 and electric cooker, make heat energy be not easy to scatter and disappear.Namely by heating film 40, radiant heat energy is converted to the direct effect of far infrared heat energy generation, improve rapidly the temperature of inner pan of electric cooker courage, reduce the temperature of humidity discharging loss, enhance by the heat absorption speed of heating ingesta; Decrease heat-energy losses, reach the object of high-efficiency environment friendly energy-conservation.
The present invention proposes a kind of electric cooker further.
This electric cooker comprises electric heating plate 1, and the structure of this electric heating plate 1 and operation principle, with reference to above-described embodiment, do not repeat them here.
In the present embodiment, be set to tabular by the part contacted with heating film 40 by electrode, add heating film 40 and the energising area of pole plate 30, make heating plate 40 in the course of the work, the electrical current even density of heating film 40, thus heating film 40 is generated heat evenly.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an electric heating plate, is characterized in that, described electric heating plate comprises the electric heating part for by electric energy conversion being heat energy and is used for supporting the prop carrier of described electric heating part;
Described electric heating part comprises resistant to elevated temperatures matrix, heating film and electrode;
Described heating film covers on the matrix;
Described electrode comprises the power supply button for powering, and electrode column;
Described power supply button is provided with the folder hole with described electrode column shape adaptation, and one end of described electrode column is fixedly connected with described matrix, and the other end of described electrode column is arranged in described folder hole, and described power supply button is fixed by securing member away from one end of described folder hole;
Described prop carrier is that the material of high-temperature insulation is made.
2. electric heating plate as claimed in claim 1, it is characterized in that, described electrode column comprises the pilum be fixedly connected with described matrix and the conducting film being arranged at described pilum surface, and described conducting film is connected with described heating film.
3. electric heating plate as claimed in claim 2, it is characterized in that, described electrode also comprises pole plate, and the side of described pole plate is connected with described conducting film, and opposite side and described heating film are fitted.
4. electric heating plate as claimed in claim 2, it is characterized in that, described conducting film is platinum alloy film or cobalt-base alloys film.
5. electric heating plate as claimed in claim 3, it is characterized in that, described pole plate comprises pole piece and covers the electrode film of described pole piece, and described electrode film is platinum alloy film or cobalt-base alloys film.
6. electric heating plate as claimed in claim 1, it is characterized in that, described heating film comprises silicon carbide layer, molybdenum disilicide layer and silicon dioxide layer, and successively conforming layer superimposition lid on the matrix, described silicon carbide layer and described substrate contact.
7., as a preparation method for the electrode column in claim 1 to 6 as described in any one, the manufacturing step of described electrode column comprises:
The balanced fine and close alloy firm of the top layer shape of pilum is made by radio-frequency sputtering process;
The process of laser high temperature sintering is carried out to described alloy firm;
Again electrostatic spray deposition processes is carried out to described alloy firm;
Described pilum after sprayed deposit is carried out coating and bakes process.
8. an electric cooker, is characterized in that, described electric cooker comprises as the electric heating plate in claim 1 to 6 as described in any one.
9. electric cooker as claimed in claim 8, it is characterized in that, described electric heating plate also comprises temperature controller, and described prop carrier is provided with the installing hole for installing described temperature controller;
Described temperature controller is provided with a side contacts of heating film through described installing hole and described matrix.
10. electric cooker as claimed in claim 9, is characterized in that, described heating film is provided with and dodges region for what dodge described temperature controller.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076320.XA CN104643949B (en) | 2015-02-12 | 2015-02-12 | The manufacture method of electric heating plate, electric cooker and electrode column |
| US15/550,363 US20180042424A1 (en) | 2015-02-11 | 2015-06-16 | Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil |
| JP2017542479A JP6564047B2 (en) | 2015-02-11 | 2015-06-16 | Method for producing electrothermal film layer, electrothermal film layer, electric heating plate and cooking utensil |
| PCT/CN2015/081566 WO2016127533A1 (en) | 2015-02-11 | 2015-06-16 | Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil |
| KR1020177024802A KR101949833B1 (en) | 2015-02-11 | 2015-06-16 | A method of manufacturing a heat transfer film layer, a heat transfer film layer, an electric heating plate and a cooking device |
| EP15881694.2A EP3245921B1 (en) | 2015-02-11 | 2015-06-16 | Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076320.XA CN104643949B (en) | 2015-02-12 | 2015-02-12 | The manufacture method of electric heating plate, electric cooker and electrode column |
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| CN104643949A true CN104643949A (en) | 2015-05-27 |
| CN104643949B CN104643949B (en) | 2017-03-15 |
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| CN201510076320.XA Active CN104643949B (en) | 2015-02-11 | 2015-02-12 | The manufacture method of electric heating plate, electric cooker and electrode column |
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Citations (9)
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| US5055312A (en) * | 1987-01-29 | 1991-10-08 | Victor Hildebrand | Electric conduction cooking package |
| US5069920A (en) * | 1987-01-29 | 1991-12-03 | Hildebrand Victor F | Electric conduction cooking method |
| JPH05340549A (en) * | 1992-06-09 | 1993-12-21 | Nippon Tungsten Co Ltd | Cordless heat retaining heater |
| JPH1032080A (en) * | 1996-07-15 | 1998-02-03 | Shinyou Sangyo Kk | Heating device |
| CN200980173Y (en) * | 2006-12-18 | 2007-11-21 | 佛山市顺德区简氏家用电器厂 | An energy-saving heating device for electric pan |
| CN201869378U (en) * | 2010-10-11 | 2011-06-15 | 李瑞勇 | Solar heater |
| CN202122464U (en) * | 2011-07-06 | 2012-01-25 | 罗自发 | Heating plate of electric cooker |
| JP2012043647A (en) * | 2010-08-19 | 2012-03-01 | Toshiba Corp | Induction heating cooker |
| CN202553533U (en) * | 2012-03-29 | 2012-11-28 | 潍坊高新区领航电气科技促进中心 | An electric heating cup having thermal insulation properties |
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2015
- 2015-02-12 CN CN201510076320.XA patent/CN104643949B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055312A (en) * | 1987-01-29 | 1991-10-08 | Victor Hildebrand | Electric conduction cooking package |
| US5069920A (en) * | 1987-01-29 | 1991-12-03 | Hildebrand Victor F | Electric conduction cooking method |
| JPH05340549A (en) * | 1992-06-09 | 1993-12-21 | Nippon Tungsten Co Ltd | Cordless heat retaining heater |
| JPH1032080A (en) * | 1996-07-15 | 1998-02-03 | Shinyou Sangyo Kk | Heating device |
| CN200980173Y (en) * | 2006-12-18 | 2007-11-21 | 佛山市顺德区简氏家用电器厂 | An energy-saving heating device for electric pan |
| JP2012043647A (en) * | 2010-08-19 | 2012-03-01 | Toshiba Corp | Induction heating cooker |
| CN201869378U (en) * | 2010-10-11 | 2011-06-15 | 李瑞勇 | Solar heater |
| CN202122464U (en) * | 2011-07-06 | 2012-01-25 | 罗自发 | Heating plate of electric cooker |
| CN202553533U (en) * | 2012-03-29 | 2012-11-28 | 潍坊高新区领航电气科技促进中心 | An electric heating cup having thermal insulation properties |
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