CN113438760A - Planar heating body heating electric oven - Google Patents
Planar heating body heating electric oven Download PDFInfo
- Publication number
- CN113438760A CN113438760A CN202110628232.1A CN202110628232A CN113438760A CN 113438760 A CN113438760 A CN 113438760A CN 202110628232 A CN202110628232 A CN 202110628232A CN 113438760 A CN113438760 A CN 113438760A
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- CN
- China
- Prior art keywords
- heating
- heating plate
- planar
- heating element
- electric oven
- 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.)
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Classifications
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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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0263—Ovens
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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
- H05B3/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
本发明公开了一种面状发热体加热电烤箱，包括腔体内胆、腔体内胆上盖，所述腔体内胆上盖处设置有顶部面状发热体加热板，所述顶部面状发热体加热板下方设置有烤盘，所述烤盘下方设置有底部面状发热体加热板，所述顶部面状发热体加热板、底部面状发热体加热板分别设置有加热板本体，所述顶部面状发热体加热板、底部面状发热体加热板分别由两块呈倒V字型排布的加热板组成，所述顶部面状发热体加热板中的一块加热板与腔体内胆上盖平行设置。本发明能够迅速将热量传导或辐射到被加热的食物上，烤盘盘面烘烤温度均匀；发热体面状热源作用到被烘烤食物上的距离短，红外辐射作用强，加热开始到温度稳定的时间短，利于快速加热食物。
The invention discloses a planar heating element heating electric oven, comprising a cavity inner liner and a cavity inner liner upper cover, wherein a top planar heating element heating plate is arranged on the cavity inner liner upper cover, and the top surface A baking pan is arranged under the heating plate of the heating element, and a heating plate of the heating element is arranged under the heating plate. The top surface heating body heating plate and the bottom surface heating body heating plate are respectively composed of two heating plates arranged in an inverted V shape. One heating plate in the top surface heating body heating plate is connected to the cavity. The upper cover of the inner tank is arranged in parallel. The invention can quickly conduct or radiate heat to the food to be heated, and the baking temperature of the surface of the baking pan is even; The time is short, which is conducive to the rapid heating of food.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a planar heating body heating electric oven.
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 invention aims to overcome the defects of the prior art and provide the electric oven with the planar heating body heating technology, which can quickly transfer 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 invention provides the following technical scheme:
a planar heating element heating electric oven comprises a cavity inner container and a cavity inner container upper cover, wherein a top planar heating element heating plate is arranged at the cavity inner container upper cover, a baking tray is arranged below the top planar heating element heating plate, a bottom planar heating element heating plate is arranged below the baking tray, the top surface heating element heating plate and the bottom surface heating element heating plate are respectively provided with a heating plate body, the heating surface of the heating plate body is provided with a ceramic insulating coating, the outer surface of the ceramic insulating coating is provided with a planar heating element heating film, conductor coatings are arranged at two ends of the heating film of the planar heating body and are connected with a power supply through leads, the top planar heating element heating plate and the bottom planar heating element heating plate are respectively composed of two heating plates which are arranged in an inverted V shape, one heating plate in the top surface-shaped heating body heating plate is arranged in parallel with the upper cover of the cavity inner container.
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, all be provided with the safety cover above the planar heat-generating body hot plate in top, all be provided with down the safety cover above the planar heat-generating body hot plate in bottom.
Furthermore, the upper protective cover and the lower protective cover are both composed of mica sheets, heat insulation cotton and heat insulation boards.
Further, the top surface heating element heating plate is provided with 2 or more independent heating units.
Further, the bottom 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.
The invention adopts the technical scheme that the method has the beneficial effects that: the upper heat source and the lower heat source of the product of the invention both adopt the surface-shaped heating body to heat the heat source, so that the temperature of the whole inner cavity of the oven is basically uniform, 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 structural view of an upper protective cover and a lower protective cover in the embodiment of the invention.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention in any way.
As shown in fig. 1 and 2, a planar heating element heating electric oven comprises a cavity inner container 1 and a cavity inner container upper cover 2, wherein a top planar heating element heating plate 3 is arranged at the position of the cavity inner container upper cover 2, a baking tray 4 is arranged below the top planar heating element heating plate 3, a bottom planar heating element heating plate 5 is arranged below the baking tray 4, an upper protective cover 11 is arranged above the top planar heating element heating plate 3, a lower protective cover 12 is arranged above the bottom planar heating element heating plate 5, the bottom planar heating element heating plate 5 is respectively composed of two heating plates arranged in an inverted V shape, and one heating plate in the top planar heating element 3 is arranged in parallel with the cavity inner container upper cover 2.
As shown in fig. 3, the top planar heating element heating plate 3 and the bottom planar heating element heating plate 5 are respectively provided with a heating plate body 6, a ceramic insulating coating 7 is provided on the heating surface of the heating plate body 6, a planar heating film 8 is provided on the outer surface of the ceramic insulating coating 7, conductor coatings 9 are provided on two ends of the planar heating film 8, the conductor coatings 9 are connected with a power supply through wires, and an NTC temperature sensor 10 for controlling the temperature of the heating plate body 6 is provided on the 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 solution, the NTC temperature sensor 10 is connected to a kick type temperature control or temperature fuse, and the kick type temperature control is connected to a power supply through a wire.
As shown in fig. 4, the upper protection cover 11 and the lower protection cover 12 are both composed of mica sheets 13, heat insulation cotton 14 and heat insulation boards 15, the upper protection cover 11 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 can prevent baking residues from falling onto a heating film to cause potential safety hazards; the upper protective cover 12 can make the heat generated by the baking tray fully act on the food to be baked, and simultaneously reduce the temperature of other parts at the bottom.
Preferably, the top sheet heating element heating plate 3 is provided with 2 or more independent heating units.
Preferably, the bottom planar heat-generating body heating plate 5 is provided with 2 or more independent heating units.
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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628232.1A CN113438760A (en) | 2021-06-07 | 2021-06-07 | Planar heating body heating electric oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628232.1A CN113438760A (en) | 2021-06-07 | 2021-06-07 | Planar heating body heating electric oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113438760A true CN113438760A (en) | 2021-09-24 |
Family
ID=77803770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110628232.1A Pending CN113438760A (en) | 2021-06-07 | 2021-06-07 | Planar heating body heating electric oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113438760A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161219A (en) * | 1988-12-14 | 1990-06-21 | Matsushita Electric Ind Co Ltd | heating cooker |
| CN211606829U (en) * | 2019-09-27 | 2020-09-29 | 杭州柒缘科技有限公司 | Electric heating unit and electric baking tray |
| CN215773613U (en) * | 2021-06-07 | 2022-02-08 | 湖南全康电子科技有限公司 | Planar heating body heating electric oven |
-
2021
- 2021-06-07 CN CN202110628232.1A patent/CN113438760A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161219A (en) * | 1988-12-14 | 1990-06-21 | Matsushita Electric Ind Co Ltd | heating cooker |
| CN211606829U (en) * | 2019-09-27 | 2020-09-29 | 杭州柒缘科技有限公司 | Electric heating unit and electric baking tray |
| CN215773613U (en) * | 2021-06-07 | 2022-02-08 | 湖南全康电子科技有限公司 | Planar heating body heating electric oven |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210924 |
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| WD01 | Invention patent application deemed withdrawn after publication |