CN112336210A - Air circulation electric oven - Google Patents

Air circulation electric oven Download PDF

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Publication number
CN112336210A
CN112336210A CN202011081610.0A CN202011081610A CN112336210A CN 112336210 A CN112336210 A CN 112336210A CN 202011081610 A CN202011081610 A CN 202011081610A CN 112336210 A CN112336210 A CN 112336210A
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CN
China
Prior art keywords
cover
cylindrical
air
oven
shaped
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Granted
Application number
CN202011081610.0A
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Chinese (zh)
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CN112336210B (en
Inventor
张斌
宿元星
魏玉彬
张成志
王保国
宋云峰
邓海涛
郝成宇
王宪兴
王伟
王康
侯晓峰
陈鑫鑫
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Qingdao Aucma Domestic Electrical Appliance Co Ltd
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Qingdao Aucma Domestic Electrical Appliance Co Ltd
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Priority to CN202011081610.0A priority Critical patent/CN112336210B/en
Publication of CN112336210A publication Critical patent/CN112336210A/en
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Publication of CN112336210B publication Critical patent/CN112336210B/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/0623Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0629Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
    • A47J37/0641Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The invention discloses an air circulation electric oven, and belongs to the technical field of electric ovens. An air circulation electric oven comprises an oven cover bracket, an oven cover, a pan body and a base; the oven cover bracket and the pan body are hinged to one side of the shell of the pan body through a shaft, the upper cover is arranged at the top end of a circular opening of the oven cover bracket, the control panel is placed in a rectangular cavity of the oven cover bracket, and the power panel is placed in a cavity on one side of the shell of the pan body; the oven cover is provided with a cylindrical heat dissipation cover, the top of the cylindrical heat dissipation cover is fixed at the bottom end of the circular opening of the oven cover bracket, and the bottom of the cylindrical heat dissipation cover is connected with the center opening of the oven cover; the outer pot is placed in the shell, the frying basket is installed in the outer pot, a cylindrical central air duct extending upwards is arranged in the center of the bottom wall of the frying basket, and air return holes are formed in the bottom wall, the side wall and the side wall of the central air duct of the frying basket; the base is fixed below the shell, a coil groove is formed between the base and the outer pot and used for placing an electromagnetic heating coil, and a contactor is arranged in the middle of the electromagnetic heating coil.

Description

Air circulation electric oven
Technical Field
The invention discloses an air circulation electric oven, and belongs to the technical field of air electric ovens.
Background
The technical scheme that ordinary air cycle electric oven adopted is the mode of direct top-down blowing, drives the food surface that the heat of fan with the heating pipe blows the stove in through the fan, and such mode of being heated makes food be heated unevenly at the culinary art in-process, and air cycle is unclogged, and bottom food can't be heated completely, still need roll among the food cooking process. In order to solve the problem, the invention discloses an air circulation electric oven.
Disclosure of Invention
The invention discloses an air circulation electric oven, which aims to solve the problems that in the prior art, the heating mode of blowing hot air to the surface of food in the oven easily causes uneven heating of the food in the cooking process, unsmooth air circulation, rolling in the cooking process, incomplete heating of bottom food and the like.
An air circulation electric oven comprises an oven cover bracket, an oven cover, a pan body and a base;
the oven cover bracket is provided with a round opening, an upper cover, a control panel and a power panel; the oven cover bracket and the pan body are hinged to one side of the shell of the pan body through a shaft, the upper cover is arranged at the top end of a circular opening of the oven cover bracket, the control panel is placed in a rectangular cavity of the oven cover bracket, and the power panel is placed in a cavity on one side of the shell of the pan body;
the oven lid includes: the heating device comprises a cylindrical heat dissipation cover, an annular inner support, a shaded pole motor, a circulating fan blade, a heating pipe, a cylindrical heating pipe outer cover and a pot cover; the top of the cylindrical heat dissipation cover is fixed at the bottom end of the circular opening of the oven cover bracket, and the bottom of the cylindrical heat dissipation cover is connected with the center opening of the oven cover; the annular inner support is positioned in the cylindrical heat radiating cover and fixed on the annular baffle at the bottom of the cylindrical heat radiating cover, the circulating fan blades are connected with a shaded pole motor fixed at the top of the annular inner support, the heating pipe is fixed below the circulating fan blades through a round hole at the bottom of the annular inner support, the cylindrical heating pipe outer cover is positioned below a central opening of the pot cover, and the top of the cylindrical heating pipe outer cover is fixed on the annular baffle at the bottom of the cylindrical heat radiating cover;
the pot body includes: a housing, an outer pot and a fry basket; the outer pot is placed in the shell, the frying basket is installed in the outer pot, a cylindrical central air duct extending upwards is arranged in the center of the bottom wall of the frying basket, and air return holes are formed in the bottom wall, the side wall and the side wall of the central air duct of the frying basket;
the base is fixed below the shell, a coil groove is formed between the base and the outer pot and used for placing an electromagnetic heating coil, a contactor is arranged in the middle of the electromagnetic heating coil, and the contactor is in contact with the bottom of the outer pot;
the bottom of the cylindrical heating pipe outer cover is butted with the top of the central air duct of the frying basket.
The side wall of the cylindrical heat dissipation cover is provided with circular meshes, the bottom of the cylindrical heat dissipation cover is provided with an annular baffle, an inner circular hole of the annular baffle is a lower air outlet of the cylindrical heat dissipation cover, and the periphery of the annular baffle is provided with an arc-shaped air return inlet; the bottom of the annular inner support separates the arc-shaped air return opening from the lower air outlet of the cylindrical heat dissipation cover.
The bottom of the annular inner support is fixed on the upper edge of an inner circular hole of the annular baffle of the cylindrical heat radiation cover, the top of the side wall is provided with an oval air inlet, and the oval air inlet enables air sent out by the arc-shaped air return opening to be directly sent to the circulating fan blades.
A cylindrical backflow fan cover is further arranged in the cylindrical heat dissipation cover, a baffle is arranged at the top of the cylindrical backflow fan cover, a semi-annular vent is arranged on the baffle, and an inner circular hole is formed in the middle of the baffle; the cylindrical backflow fan cover is nested at the periphery of the annular inner support through an inner circular hole of the top baffle plate of the cylindrical backflow fan cover, and the top baffle plate is higher than the oval air inlet of the annular inner support; the cylindrical backflow fan cover is fixed on the annular baffle at the bottom of the cylindrical heat dissipation cover through the installation gap of the side wall.
A cylindrical air guide sleeve is further arranged in the cylindrical heat dissipation sleeve, and the top of the side wall of the cylindrical air guide sleeve extends outwards to form an outer edge; the semi-annular ventilation opening of the cylindrical backflow fan cover is separated from the circulating fan blades and the shaded pole motor by the cylindrical flow guide cover, and the cylindrical flow guide cover is installed at the top of the cylindrical backflow fan cover.
The heating tube is spiral, and the radius of the spiral is gradually reduced from top to bottom; the heating tube is positioned inside the cylindrical heating tube outer cover.
The side wall of the frying basket is provided with transverse strip-shaped air return holes, the bottom wall of the frying basket is provided with a plurality of arc-shaped air return hole groups, the arc-shaped air return hole groups are uniformly arranged on the bottom wall, and the arc-shaped air return holes in each group of arc-shaped air return hole groups are radially arranged from the center of the bottom wall to the circumference; the side wall of the central air duct is provided with a vertical strip-shaped air return hole, and the top of the central air duct is provided with a horn-shaped embedding buckle which diffuses outwards.
The bottom of the cylindrical heating tube outer cover is nested in the horn-shaped nesting buckle at the top of the central air duct.
And a circular mesh plate is also fixed at the bottom of the cylindrical heating tube outer cover.
The pot cover is transparent, gradually rises from the edge to the center and is in a central bulge shape.
Compared with the prior art, the invention has the beneficial effects that:
1. the air circulation electric oven is provided with an internal and external circulation air channel, hot air is brought to the bottom of the electric oven through the air channel and is recycled and radiated through the cylindrical radiating cover at the top, so that hot air circulates in the electric oven, food is heated more uniformly, and the food at the bottom can also have a better heating effect;
2. the hot air can uniformly radiate heat to the frying basket from the inner part of the outer pot at the gap between the outer pot and the periphery of the frying basket, so that the hot air surrounds the whole pot body, the heating effect is enhanced, and food close to the outer pot also has a better heating effect;
3. the bottom is provided with the electromagnetic heating device, and the bottom is heated in an auxiliary manner, so that the temperature in the furnace is more constant, and the food is heated more uniformly.
Drawings
FIG. 1 is a cross-sectional view of an air-circulating electric oven;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a partial cross-sectional view of FIG. 1;
FIG. 4 is a partial cross-sectional view of the lid of the toaster of FIG. 3;
fig. 5 is a perspective view of the annular inner housing of fig. 3;
FIG. 6 is a perspective view of the fry basket of FIG. 3;
FIG. 7 is a perspective view of the cylindrical return air hood of FIG. 3;
FIG. 8 is a perspective view of the cylindrical heat sink cover of FIG. 3;
the reference numerals include: 1-oven lid support, 2-upper lid, 3-temperature control element, 4-heating tube connection line, 5-annular inner support, 6-heating tube, 7-circulating fan blade, 8-motor connection line, 9-shaded pole motor, 10-cylindrical return fan cover, 11-cylindrical air guide cover, 12-timing knob, 13-temperature controller knob, 14-electromagnetic heating switch, 15-control panel, 16-connection line, 17-power panel, 18-power panel shell, 19-power line, 20-electromagnetic heating wire, 21-contactor, 22-coil groove, 23-coil, 24-base, 25-frying basket, 26-outer pot, 27-shell, 28-pot lid, 29-cylindrical heat dissipation cover, 30-shaded pole motor fixing screws, 31-heating tube power line outer cover, 32-outer cover plate, 33-mesh plate, 34-cylindrical heating tube outer cover and 35-shaft.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments below:
an air circulation electric oven, as shown in fig. 1-4, comprises oven cover support 1, oven cover, oven body and base 24
The grill cover bracket 1 includes: roast stove lid support 1, upper cover 2, control panel 15, connecting wire 16, power strip 17, power strip shell 18, power cord 19 and axle 35, the body of roast stove lid support 1 and the pot is through axle 35 hinged joint in the casing 27 one side of the pot body, the top of the circular mouth at roast stove lid support 1 is installed to upper cover 2, control panel 15 is placed in the rectangle cavity of roast stove lid support 1, power strip 17 is placed in the cavity of the casing 27 one side of the pot body, casing 27 one side is equipped with the cavity, and the cavity outside is power strip shell 18, and the cavity is inside to be power strip 17 and connecting wire 16.
The oven lid includes: the temperature control device comprises a temperature control element 3, a heating tube connecting wire 4, an annular inner support 5, a heating tube 6, a circulating fan blade 7, a motor connecting wire 8, a shaded pole motor 9, a cylindrical backflow fan cover 10, a cylindrical flow guide cover 11, a pot cover 28, a cylindrical heat dissipation cover 29, shaded pole motor fixing screws 30, a heating tube power line outer cover 31, an outer cover plate 32, a mesh plate 33 and a cylindrical heating tube outer cover 34, wherein the top of the cylindrical heat dissipation cover 29 is fixed at the bottom end of a circular opening of the oven cover support 1, and the bottom of the cylindrical heat dissipation cover 29 is connected with the center opening of the pot; the annular inner support 5 is located inside the cylindrical heat sink 29 and is fixed to the annular baffle at the bottom of the cylindrical heat sink, and the annular inner support 5 is shown in fig. 5. The circulating fan blades 7 are connected to a shaded pole motor 9 fixed on the top of the annular inner support 5, the heating tube 6 is fixed below the circulating fan blades 7 through a circular hole in the bottom of the annular inner support 5, the cylindrical heating tube outer cover 34 is positioned below a central opening of the pot cover 28, and the top of the cylindrical heating tube outer cover is fixed on an annular baffle plate at the bottom of the cylindrical heat radiating cover 29; the shaded pole motor 9 is fixed above the annular inner support 5 by shaded pole motor fixing screws 30.
The control board 15 includes: a timing knob 12, a temperature controller knob 13 and an electromagnetic heating switch 14; the control panel 15 is connected with the shaded pole motor 9 through a motor connecting wire 8, connected with the heating tube 6 through a heating tube 6 lead, connected with the temperature control element 3 through a temperature control element 3 lead and connected with the power panel 17 through a connecting wire 16; the heating tube power line outer cover 34 protects the motor connecting wire 8, the heating tube 6 wire and the temperature control element 3 wire, and an outer cover plate 32 is arranged on the outer side of the heating tube power line outer cover 31; the power supply board 17 is connected to a power supply line 19.
The pot body includes: the pot cover 28 is placed on the upper edge of the outer pot 26, the outer pot 26 is placed in a cavity in the middle of the shell 27, the fry basket 25 is placed in a cavity in the middle of the outer pot 26, and the fry basket 25 is shown in fig. 6. A cylindrical central air duct extending upwards is arranged in the center of the bottom wall of the frying basket 25, and air return holes are formed in the bottom wall, the side wall and the side wall of the central air duct of the frying basket 25;
the base includes: electromagnetic heating wire 20, contactor 21, coil recess 22, coil 23 and base 24, base 24 is fixed in casing 27 below, and outer pot 26 between be equipped with coil recess 22 and be used for placing coil 23, coil 23 middle part is equipped with contactor 21, contactor 21 and the contact of outer pot 26 bottom, contactor 21 is used for detecting outer pot 26 and whether places, and inside is equipped with temperature sensing probe and detects bottom of a boiler temperature, and coil recess 22 has and is equipped with the rectangle recess for place electromagnetic heating wire 20, and the rectangle recess has base 24.
The bottom of the cylindrical heat pipe housing 34 is butted against the top of the central air duct of the fry basket 25.
The side wall of the cylindrical heat dissipation cover 29 is provided with circular meshes, the bottom of the cylindrical heat dissipation cover is provided with an annular baffle, an inner circular hole of the annular baffle is a lower air outlet of the cylindrical heat dissipation cover 29, and the periphery of the annular baffle is provided with an arc-shaped air return inlet; the bottom of the annular inner support 5 separates the arc-shaped air return opening from the lower air discharge opening of the cylindrical heat dissipation cover 29.
The bottom of the annular inner support 5 is fixed on the upper edge of an inner circular hole of the annular baffle plate of the cylindrical heat dissipation cover 29, the top of the side wall is provided with an oval air inlet, the oval air inlet enables air sent out from the arc-shaped air return port to be directly sent to the circulating fan blades 7, a circular hole in the top of the cylindrical backflow fan cover 10 is connected above the oval air inlet, and the cylindrical backflow fan cover is shown in fig. 7. The top of the annular inner support 5 is provided with three shaded pole motor fixing screws 30, and the bottom of the annular inner support is provided with two round holes for fixing the heating tube 5.
The cylindrical heat dissipation cover 29 is further internally provided with a cylindrical backflow fan housing 10, the top of the cylindrical backflow fan housing 10 is provided with a baffle, the baffle is provided with a semi-annular vent, the middle of the baffle is provided with an inner circular hole, the cylindrical backflow fan housing 10 is embedded at the periphery of the annular inner support 5 through the inner circular hole of the top baffle of the cylindrical backflow fan housing, the top baffle is higher than the oval air inlet of the annular inner support 5, and the cylindrical backflow fan housing 10 is fixed on the annular baffle at the bottom of the cylindrical heat dissipation cover 29 through an installation notch in the side.
The top of the side wall of the cylindrical air guide sleeve 11 extends outwards to form an outer edge, and the semi-annular air vent of the cylindrical air guide sleeve 11 separates the semi-annular air vent of the cylindrical backflow air cover 10 from the circulating fan blades 7 and the shaded pole motor 9; the cylindrical air guide sleeve 11 is installed on the top of the cylindrical return air hood 10, and the cylindrical heat dissipation sleeve is shown in fig. 8. The cylindrical air guide sleeve 11 can isolate the dissipated heat, so that the high temperature is prevented from contacting the shaded pole motor 9, and the shaded pole motor 9 is prevented from being burnt out at high temperature.
The heating tube 6 is spiral, the radius of the spiral is gradually reduced from top to bottom, and a cylindrical heating tube outer cover 34 is arranged outside the heating tube 6.
The lateral wall of the frying basket 25 is provided with transverse strip-shaped return air holes, the bottom wall is provided with six arc-shaped return air hole groups, the arc-shaped return air hole groups are uniformly arranged on the bottom wall, and the arc-shaped return air holes in each arc-shaped return air hole group are radially arranged from the center of the bottom wall to the circumference; the side wall of the central air duct is provided with a vertical strip-shaped air return hole, and the top of the central air duct is provided with a horn-shaped embedding buckle which diffuses outwards.
The bottom of the cylindrical heating tube outer cover is nested in the horn-shaped nesting buckle at the top of the central air duct, a round mesh plate is further fixed at the bottom of the cylindrical heating tube outer cover, and the mesh plate 33 is used for isolating the heating tube 6 and avoiding direct touch.
The pot cover 28 is transparent and gradually rises from the edge to the center, and the center is provided with a central opening which is connected with the bottom of the cylindrical heat dissipation cover 29.
The air circulation process in the air electric oven is as follows:
the shaded pole motor 9 drives the circulating fan blades 7 to rotate, and air sent from the oval air inlet of the annular inner support 5 is sent to the heating pipe 6 to be heated; hot air heated by the heating tube 6 passes through the mesh plate 33, reaches the central air duct, and enters the frying basket 25 through a vertical strip-shaped air return hole on the side wall of the central air duct; hot air passes through the transverse strip-shaped air return holes in the side wall of the frying basket 25 and the arc-shaped air return holes in the bottom wall to reach a gap between the outer pot 26 and the periphery of the frying basket 25; the hot air reaches the return hole of the pot cover 28; the arc-shaped air return opening of the annular baffle plate at the bottom of the cylindrical heat dissipation cover 9 discharges the air direction of the return hole, one part of air is sent to the inner side of the cylindrical heat dissipation cover 29 through the semi-annular ventilation opening arranged at the top of the cylindrical return air cover 10, then the air is discharged out of the electric oven through the circular meshes on the side wall of the cylindrical heat dissipation cover 29, and the other part of air is sent to the lower part of the circulating fan blades 7 through the oval air inlet of the annular inner support 5 to be circularly sent.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (10)

1. An air circulation electric oven is characterized by comprising an oven cover bracket, an oven cover, an oven body and a base;
the oven cover bracket is provided with a round opening, an upper cover, a control panel and a power panel; the oven cover bracket and the pan body are hinged to one side of the shell of the pan body through a shaft, the upper cover is arranged at the top end of a circular opening of the oven cover bracket, the control panel is placed in a rectangular cavity of the oven cover bracket, and the power panel is placed in a cavity on one side of the shell of the pan body;
the oven lid includes: the heating device comprises a cylindrical heat dissipation cover, an annular inner support, a shaded pole motor, a circulating fan blade, a heating pipe, a cylindrical heating pipe outer cover and a pot cover; the top of the cylindrical heat dissipation cover is fixed at the bottom end of the circular opening of the oven cover bracket, and the bottom of the cylindrical heat dissipation cover is connected with the center opening of the oven cover; the annular inner support is positioned in the cylindrical heat radiating cover and fixed on the annular baffle at the bottom of the cylindrical heat radiating cover, the circulating fan blades are connected with a shaded pole motor fixed at the top of the annular inner support, the heating pipe is fixed below the circulating fan blades through a round hole at the bottom of the annular inner support, the cylindrical heating pipe outer cover is positioned below a central opening of the pot cover, and the top of the cylindrical heating pipe outer cover is fixed on the annular baffle at the bottom of the cylindrical heat radiating cover;
the pot body includes: a housing, an outer pot and a fry basket; the outer pot is placed in the shell, the frying basket is installed in the outer pot, a cylindrical central air duct extending upwards is arranged in the center of the bottom wall of the frying basket, and air return holes are formed in the bottom wall, the side wall and the side wall of the central air duct of the frying basket;
the base is fixed below the shell, a coil groove is formed between the base and the outer pot and used for placing an electromagnetic heating coil, a contactor is arranged in the middle of the electromagnetic heating coil, and the contactor is in contact with the bottom of the outer pot;
the bottom of the cylindrical heating pipe outer cover is butted with the top of the central air duct of the frying basket.
2. The air-circulating electric oven of claim 1 wherein the side wall of the cylindrical heat-dissipating shield is provided with circular mesh openings, the bottom of the cylindrical heat-dissipating shield is provided with a ring-shaped baffle, the inner circular hole of the ring-shaped baffle is the lower air outlet of the cylindrical heat-dissipating shield, and the periphery of the ring-shaped baffle is provided with arc-shaped air return openings; the bottom of the annular inner support separates the arc-shaped air return opening from the lower air outlet of the cylindrical heat dissipation cover.
3. The air-circulating electric oven according to claim 1 or 2, wherein the bottom of the annular inner rack is fixed on the upper edge of the inner circular hole of the annular baffle of the cylindrical heat sink, and the top of the side wall is provided with an oval air inlet, so that the air from the arc-shaped air return opening is directly sent to the circulating fan blades by the oval air inlet.
4. The air circulation electric oven of claim 3 wherein a cylindrical return air hood is further provided inside the cylindrical heat dissipation hood, a baffle is provided on the top of the cylindrical return air hood, a semi-circular ventilation opening is provided on the baffle, and an inner circular hole is provided in the middle of the baffle; the cylindrical backflow fan cover is nested at the periphery of the annular inner support through an inner circular hole of the top baffle plate of the cylindrical backflow fan cover, and the top baffle plate is higher than the oval air inlet of the annular inner support; the cylindrical backflow fan cover is fixed on the annular baffle at the bottom of the cylindrical heat dissipation cover through the installation gap of the side wall.
5. The air circulating electric oven of claim 4 wherein a cylindrical air guide hood is further provided inside the cylindrical heat dissipation hood, and the top of the side wall of the cylindrical air guide hood extends outwards to form an outer edge; the semi-annular ventilation opening of the cylindrical backflow fan cover is separated from the circulating fan blades and the shaded pole motor by the cylindrical flow guide cover, and the cylindrical flow guide cover is installed at the top of the cylindrical backflow fan cover.
6. The air circulating electric oven of claim 1 wherein the heat pipe is spiral with a decreasing radius from top to bottom; the heating tube is positioned inside the cylindrical heating tube outer cover.
7. The air circulating electric oven of claim 1 wherein the side wall of the fry basket is provided with transverse strip-shaped return air holes, the bottom wall is provided with a plurality of arc-shaped return air hole groups, the arc-shaped return air hole groups are uniformly arranged on the bottom wall, and the arc-shaped return air holes in each group of arc-shaped return air hole groups are radially arranged from the center of the bottom wall to the circumference; the side wall of the central air duct is provided with a vertical strip-shaped air return hole, and the top of the central air duct is provided with a horn-shaped embedding buckle which diffuses outwards.
8. The air circulating electric oven of claim 1 or 6 wherein the bottom of the cylindrical heating tube housing is nested in the horn-shaped nesting button at the top of the central air duct.
9. The air circulating electric oven of claim 8 wherein a circular mesh plate is further fixed to the bottom of the cylindrical heat pipe housing.
10. The air circulating electric oven of claim 1 wherein the lid is transparent and rises gradually from the edge to the center, forming a central bulge.
CN202011081610.0A 2020-10-12 2020-10-12 Air circulation electric oven Active CN112336210B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011081610.0A CN112336210B (en) 2020-10-12 2020-10-12 Air circulation electric oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011081610.0A CN112336210B (en) 2020-10-12 2020-10-12 Air circulation electric oven

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CN112336210A true CN112336210A (en) 2021-02-09
CN112336210B CN112336210B (en) 2022-05-17

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US6747250B1 (en) * 2003-01-10 2004-06-08 Morning Electronics Co. Ltd. Counter-top electric oven
CN2912471Y (en) * 2006-04-20 2007-06-20 张斌奇 Minisize stepwise roaster
WO2011047545A1 (en) * 2009-10-21 2011-04-28 卿宙 Multifunctional frying stove
EP2327342A1 (en) * 2009-11-25 2011-06-01 Tall & Stout Industrial Corp. Low-oil fryer and heating cover thereof
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CN203088800U (en) * 2012-11-30 2013-07-31 周林斌 Equidirectional stirring oven
CN203207840U (en) * 2013-04-08 2013-09-25 郭鑫 Rapid heat convection structure of electric oven
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