CN216060235U - Electric oven adopting planar heating body heating technology - Google Patents
Electric oven adopting planar heating body heating technology Download PDFInfo
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- CN216060235U CN216060235U CN202121250542.6U CN202121250542U CN216060235U CN 216060235 U CN216060235 U CN 216060235U CN 202121250542 U CN202121250542 U CN 202121250542U CN 216060235 U CN216060235 U CN 216060235U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 132
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 230000000191 radiation effect Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- Electric Stoves And Ranges (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
The utility model discloses a planar heating element heating technology electric oven which comprises a cavity inner container, a cavity inner container upper cover, a heating tube arranged at the top of a cavity and a baking net arranged below the heating tube, wherein a planar heating element heating plate is arranged below the baking net, the planar heating element heating plate comprises a heating plate body, a ceramic insulating coating is arranged on the heating surface of the heating plate body, a planar heating element heating film is arranged on the outer surface of the ceramic insulating coating, conductor coatings are arranged at two ends of the planar heating element heating film, and the conductor coatings are connected with a power supply through wires. The utility model can quickly conduct or radiate heat to the heated food, and the baking temperature of the surface of the baking tray is uniform; the distance of the planar heating body for heating the planar heat source to act on the food to be roasted is short, the infrared radiation effect is strong, the time from the heating start to the temperature stabilization is short, and the food can be quickly heated.
Description
Technical Field
The utility model relates to the field of household appliances, in particular to an electric oven adopting a planar heating body heating technology.
Background
The electric oven is very common in real home life, and current oven heating all is the infrared radiation heating that produces through the heating tube, and the heat source of heating tube is concentrated on the pipe to heat food through heat radiation. The existing electric oven has the following defects that the surface temperature of food heated by a common heating tube is not uniform, and the temperature of the surface of a plate near the heating tube is higher; the heating tube has large heat loss in the temperature conduction process, long time from the heating to the temperature stabilization and large energy consumption; the infrared light wave penetration effect of the heating tube is weaker, and the temperature is increased by permeation layer by layer from the surface to the inside in the baking process.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a planar heating element heating technology electric oven which can quickly conduct or radiate heat to heated food, has uniform baking temperature, reduces heat loss, has strong infrared radiation effect and short heating time.
In order to solve the technical problems, the utility model provides the following technical scheme:
the electric oven comprises a cavity inner container, a cavity inner container upper cover, a heating tube arranged at the top of the cavity, and a baking net arranged below the heating tube, wherein a planar heating element heating plate is arranged below the baking net, the planar heating element heating plate comprises a heating plate body, a heating surface of the heating plate body is provided with a ceramic insulating coating, a planar heating film is arranged on the outer surface of the ceramic insulating coating, two ends of the planar heating element heating film are provided with conductor coatings, and the conductor coatings are connected with a power supply through wires.
Further, an NTC temperature sensor used for controlling the temperature of the heating plate body is arranged on the back of the heating plate body.
Further, the NTC temperature sensor is connected with a kick type temperature control or temperature fuse, and the kick type temperature control is connected with a power supply through a wire.
Further, a protective cover is arranged above the planar heating body heating plate.
Further, the protective cover sequentially comprises a mica sheet, heat insulation cotton and a heat insulation plate.
Further, the planar heating element heating plate is arranged in an inverted V shape.
Further, the planar heating element heating plate is provided with 2 or more independent heating units.
Further, the heating plate body is made of metal or ceramic materials.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts the technical scheme that the method has the beneficial effects that: the utility model changes the heating of the bottom heating tube of the existing oven into the whole surface heating, the heat source of the top heating tube is higher in the middle position, the bottom surface-shaped heating body heat source is radiated at two sides, the upper heat source and the lower heat source are matched to ensure that the temperature of the whole inner cavity of the oven is basically uniform, the surface-shaped heating body heat source is surface-shaped, the heat can be quickly conducted or radiated to the heated food, and the baking temperature of the surface of the baking tray is uniform; the distance of the planar heating body for heating the planar heat source to act on the food to be roasted is short, the infrared radiation effect is strong, the time from the heating start to the temperature stabilization is short, and the food can be quickly heated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic heat radiation diagram illustrating the heating principle of the planar heating element in the embodiment of the present invention;
FIG. 3 is a schematic view showing a heating plate structure of a planar heating element in the embodiment of the present invention;
fig. 4 is a schematic view of a protective cover according to an embodiment of the utility model.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model in any way.
As shown in fig. 1 and 2, the planar heating element heating technology electric oven comprises a cavity inner container 1, a cavity inner container upper cover 2, a heating tube 3 arranged at the top of the cavity, and a baking net 4 arranged below the heating tube 3, wherein a planar heating element heating plate 5 is arranged below the baking net, a protective cover 11 is arranged above the planar heating element heating plate 5, and the planar heating element heating plate 5 is arranged in an inverted V shape.
As shown in fig. 3, the planar heating element heating plate 5 includes a heating plate body 6, a ceramic insulating coating 7 is disposed on a heating surface of the heating plate body 6, a planar heating element heating film 8 is disposed on an outer surface of the ceramic insulating coating 7, conductor coatings 9 are disposed at two ends of the planar heating element heating film 8, the conductor coatings 9 are connected to a power supply through wires, and an NTC temperature sensor 10 for controlling a temperature of the heating plate body 6 is disposed on a back surface of the heating plate body 6.
As a preferred technical scheme, the NTC temperature sensor 10 is connected with a kick type temperature controller, the kick type temperature controller is connected with a power supply through a wire, and when the NTC temperature sensor 5 is abnormal and causes an ultrahigh temperature, the kick type temperature controller can cut off the power supply to stop heating the baking tray body 1, so as to play a role in overheat protection.
As a preferred technical scheme, the protective cover 11 is sequentially composed of mica sheets 12, heat insulation cotton 13 and a heat insulation plate 14, the protective cover can enable heat generated by the baking tray to fully act on food to be baked, simultaneously reduce the temperature of other parts at the bottom and also prevent baking residues from falling onto a heating film to cause potential safety hazards; and also prevents the hidden safety hazard caused by the damage of the heating film when in use.
As a preferable technical solution, the planar heating element heating plate 5 is provided with 2 or more independent heating units, and the heat radiation angle and the heat source heat radiation can be adjusted according to the volume characteristics of the oven.
As a preferred technical solution, the heating plate body 6 is made of metal or ceramic material.
The foregoing shows and describes the general principles and features of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a planar heat-generating body heating technique electric oven, includes cavity inner bag (1), cavity inner bag upper cover (2), sets up in heating tube (3) at cavity top, sets up in roast net (4) of heating tube (3) below, its characterized in that: the heating device is characterized in that a planar heating body heating plate (5) is arranged below the baking net, the planar heating body heating plate (5) comprises a heating plate body (6), a ceramic insulating coating (7) is arranged on the heating surface of the heating plate body (6), a planar heating body heating film (8) is arranged on the outer surface of the ceramic insulating coating (7), conductor coatings (9) are arranged at two ends of the planar heating body heating film (8), and the conductor coatings (9) are connected with a power supply through wires.
2. A planar heat-generating body heating technology electric oven as claimed in claim 1, characterized in that: and an NTC temperature sensor (10) for controlling the temperature of the heating plate body (6) is arranged on the back surface of the heating plate body (6).
3. A planar heating element heating technology electric oven as claimed in claim 2, characterized in that: the NTC temperature sensor (10) is connected with a kick type temperature control or temperature fuse, and the kick type temperature control is connected with a power supply through a wire.
4. A planar heat-generating body heating technology electric oven as claimed in claim 1, characterized in that: a protective cover (11) is arranged above the planar heating body heating plate (5).
5. A planar heat-generating body heating technology electric oven as claimed in claim 4, characterized in that: the protective cover (11) is composed of a mica sheet (12), heat insulation cotton (13) and a heat insulation plate (14) in sequence.
6. A planar heat-generating body heating technology electric oven as claimed in claim 1, characterized in that: the planar heating body heating plate (5) is arranged in an inverted V shape.
7. A planar heat-generating body heating technology electric oven as claimed in claim 1, characterized in that: the planar heating element heating plate (5) is provided with 2 or more independent heating units.
8. A planar heat-generating body heating technology electric oven as claimed in claim 1, characterized in that: the heating plate body (6) is made of metal or ceramic materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121250542.6U CN216060235U (en) | 2021-06-07 | 2021-06-07 | Electric oven adopting planar heating body heating technology |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121250542.6U CN216060235U (en) | 2021-06-07 | 2021-06-07 | Electric oven adopting planar heating body heating technology |
Publications (1)
Publication Number | Publication Date |
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CN216060235U true CN216060235U (en) | 2022-03-18 |
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Family Applications (1)
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CN202121250542.6U Active CN216060235U (en) | 2021-06-07 | 2021-06-07 | Electric oven adopting planar heating body heating technology |
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CN (1) | CN216060235U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024021934A1 (en) * | 2022-07-29 | 2024-02-01 | 比亚迪股份有限公司 | Coater oven |
-
2021
- 2021-06-07 CN CN202121250542.6U patent/CN216060235U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024021934A1 (en) * | 2022-07-29 | 2024-02-01 | 比亚迪股份有限公司 | Coater oven |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Surface Heating Element Heating Technology Electric Oven Granted publication date: 20220318 Pledgee: Zhuzhou Branch of China Everbright Bank Co.,Ltd. Pledgor: HUNAN QUANKANG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980004888 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |