CN2197785Y - Multi-layer electric heating element - Google Patents
Multi-layer electric heating element Download PDFInfo
- Publication number
- CN2197785Y CN2197785Y CN 94218890 CN94218890U CN2197785Y CN 2197785 Y CN2197785 Y CN 2197785Y CN 94218890 CN94218890 CN 94218890 CN 94218890 U CN94218890 U CN 94218890U CN 2197785 Y CN2197785 Y CN 2197785Y
- Authority
- CN
- China
- Prior art keywords
- heating
- heating element
- heating plate
- electric heating
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a multi-layer electrothermal film electric heating element. 2-8 electrothermal film electric heating pieces 1 are overlapped and fixed together by fixed blocks 3, screws 4, nuts 5 or other fixing means, and the electrodes of each electric heating piece are led out to be connected with a power supply by conductive rods 2; so, a heating element which has large horsepower and high thermal efficiency and can be used for dry burning occasions is obtained; the multi-layer electrothermal film electric heating element can be made into heaters, electric hot trays, electric furnaces, etc.
Description
The utility model relates to electric-heating technology, particularly the heating element that heats with Ohmic resistance.
Existing electric heating element, commonly used is heating wire and electric heating film, heating wire is to be placed in the groove of heat-resisting and the stone or metal plate for standing a stove on as a precaution against fire that non electrically conductive material is made after heating wire is made definite shape (as spirality), energising back heating wire reddens and heat release, or heating wire is placed in the hole of stone or metal plate for standing a stove on as a precaution against fire, hole wall scribbles insulation and heat proof material, reach the purpose of heat release after the energising, electric heating film is with brushing at the heat-resisting matrix surface of insulation, spraying, methods such as impression are made one deck Electric radiant Heating Film, this film also can be made either directly in the surface (as the bottom outer surface) that is fit to of container, to reach the purpose of heat release.
Above-mentioned prior art, the heating wire heat efficiency is low, has sparking or naked light and occur when the two adjacent rings resistance wire contacts.Simultaneously Yin Wendu is higher, and easily oxidation, life-span are short, and electric heating film is subjected to the stable on heating restriction of itself, and caloric value can not be excessive, and temperature can not be too high, thereby can not be used for the heated condition that directly contacts with air, promptly can not dry combustion method, so use is subjected to certain limitation.
The purpose of this utility model provides a kind of heat efficiency height, and power is big, can be directly and the multilayer Electric radiant Heating Film heater element of air contact heating.
The purpose of this utility model realizes by following scheme, heater element comprises that several piece scribbles the identical shaped heating plate of Electric radiant Heating Film on electric insulation and heat-resisting matrix, they overlap mutually and place, also comprise fixture that above-mentioned heating plate is fixed together closely and the conducting rod that the electrode of each heating plate is connected, conducting rod links to each other with the lead of energize.
Because each heating plate overlaps mutually, total power has improved several times, but power density is constant, thereby heating plate is can temperature rise very not big, can not burnt out.
Below by embodiment and accompanying drawing multilayer Electric radiant Heating Film heater element of the present utility model is explained in detail:
Fig. 1 is the generalized section of multilayer Electric radiant Heating Film heater element of the present utility model.
Among Fig. 1, heating plate 1, it is the heating plate of coated one deck Electric radiant Heating Film on the heat-resisting matrix of insulation, basis material can be a mica sheet, asbestos fiber sheet, ceramic wafer or other known suitable material, and Electric radiant Heating Film can be the titanium nitride electrothermal film, the Electric radiant Heating Film of doped semiconductor or the Electric radiant Heating Film of other known kinds, electric heating piece can on demand shape, size and power density be made, as circular, square, or middle hollow type with holes etc.With several layers of (2-8 layer, decide on power demand size) identical shaped heating plate overlaps closely and is fixed together, fixedly realize by fixture, as using fixed block 3, hold-down screw 4 and nut 5 are fixing with heating plate 1, on the fixed block 3 platform is arranged, the matrix of heating plate 1 can be put into groove and tightly push down and guarantee to be close to each other, conducting rod 2 is communicated with the electrode of each layer heating plate 1, and with nut 6 conducting rod 2 is connected with power lead 7, after the energising, can obtain a heating element that power is bigger, base plate 8 is used as heat reflection, and when dispel the heat in the two sides, base plate 8 can.
Because heating plate overlaps together mutually, relies closely between each layer, total power has improved several times, but power density is constant.The caloric value that is the heating plate unit are is constant, and it is very big that heating plate can temperature rise, thereby can not be burnt out.
The fixture of heating plate 1 can adopt various suitable parts, for example when the intensity of matrix allows, can be directly with screw as fixture, heating plate worn and fix, or matrix strength can add certain thickness pad and matrix is not fixed by bending at the screw place when not enough.
Above-mentioned heating element, owing to can directly contact with air, can dry combustion method, thus can be used for various heating states, as put into gelled shell, can be as warmer, as put into the shell of stone or metal plate for standing a stove on as a precaution against fire shape, then can use as electric furnace or electric hot tray, thereby can be to various containers heating, and do not need Electric radiant Heating Film is coated on below the container, so heating element of the present utility model can be widely used in various heating purposes.Its power is big, and heat efficiency height can not produce sparking or naked light phenomenon, and can be used for the occasion of dry combustion method.
Claims (4)
1, a kind of multilayer Electric radiant Heating Film heating element, be included in the heating plate 1 that is shaped on Electric radiant Heating Film on the heat-resisting matrix of insulation, it is characterized in that having several piece heating plate 1, also comprise the conducting rod 2 that is used for fixture that said heating plate is overlapped and is fixed together and the electrode of each layer heating plate is connected, conducting rod 2 joins with power supply.
2, by the said heating element of claim 1, it is characterized in that said several piece heating plate 1 is a 2-8 piece heating plate.
3, by claim 1 or 2 said heating elements, it is characterized in that said fixture comprises fixed block 3, hold-down screw 4 and hold-down nut 5.
4, by claim 1 or 2 said heating elements, it is characterized in that said fixture comprises hold-down screw, nut and certain thickness pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94218890 CN2197785Y (en) | 1994-08-23 | 1994-08-23 | Multi-layer electric heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94218890 CN2197785Y (en) | 1994-08-23 | 1994-08-23 | Multi-layer electric heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2197785Y true CN2197785Y (en) | 1995-05-17 |
Family
ID=33833931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94218890 Expired - Fee Related CN2197785Y (en) | 1994-08-23 | 1994-08-23 | Multi-layer electric heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2197785Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168861A (en) * | 2011-06-09 | 2011-08-31 | 中山市格普斯纳米电热科技有限公司 | Electric heating stove |
| CN104764073A (en) * | 2015-03-17 | 2015-07-08 | 杜杭华 | Multilayer heater |
| CN110958724A (en) * | 2019-10-21 | 2020-04-03 | 珠海烯蟀科技有限公司 | Microcrystalline glass or mica sheet heating device conducting electricity through silver paste and connecting method |
-
1994
- 1994-08-23 CN CN 94218890 patent/CN2197785Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168861A (en) * | 2011-06-09 | 2011-08-31 | 中山市格普斯纳米电热科技有限公司 | Electric heating stove |
| CN102168861B (en) * | 2011-06-09 | 2013-04-03 | 中山市格普斯纳米电热科技有限公司 | Electric heating stove |
| CN104764073A (en) * | 2015-03-17 | 2015-07-08 | 杜杭华 | Multilayer heater |
| CN110958724A (en) * | 2019-10-21 | 2020-04-03 | 珠海烯蟀科技有限公司 | Microcrystalline glass or mica sheet heating device conducting electricity through silver paste and connecting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Yang Document name: payment instructions |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |