CN2860107Y - Electric oven - Google Patents

Electric oven Download PDF

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Publication number
CN2860107Y
CN2860107Y CN 200520142177 CN200520142177U CN2860107Y CN 2860107 Y CN2860107 Y CN 2860107Y CN 200520142177 CN200520142177 CN 200520142177 CN 200520142177 U CN200520142177 U CN 200520142177U CN 2860107 Y CN2860107 Y CN 2860107Y
Authority
CN
China
Prior art keywords
heating clamber
electric oven
heating
heater
plate
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
Application number
CN 200520142177
Other languages
Chinese (zh)
Inventor
张立峰
李祥宏
熊勇刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAI-ER MICROWAVE PRODUCTS Co Ltd QINGDAO
Haier Group Corp
Original Assignee
HAI-ER MICROWAVE PRODUCTS Co Ltd QINGDAO
Haier Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAI-ER MICROWAVE PRODUCTS Co Ltd QINGDAO, Haier Group Corp filed Critical HAI-ER MICROWAVE PRODUCTS Co Ltd QINGDAO
Priority to CN 200520142177 priority Critical patent/CN2860107Y/en
Application granted granted Critical
Publication of CN2860107Y publication Critical patent/CN2860107Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an electronic oven consisting of an oven body and inner heating chamber which is the space for heated articles and a hatch is on one of its sides for the installation of the door of electronic oven. Said upper board of the heating chamber has an upper heat inlet on which several through holes form array; while the backboard opposite to the hatch of the heating chamber has a rear heat inlet on which several through holes form array and an uptake consisted of several through holes forming a cycle. The position of uptake is higher than that of rear heat inlet. A first heater is installed at the position which is on the outer side of upper board of the heating chamber and rightly opposite to the upper heat inlet; a secondary heater is installed at the position which is on the outer side of backboard of heating chamber and rightly opposite to the rear heat inlet; the fan is installed at the position which is on the outer side of backboard of the heating chamber and rightly opposite to the uptake (such fan may suck out the air in the heating chamber). Once being combined with a microwave oven, the electronic oven may become a microwave oven enjoying the functions of electronic oven. The utility model provides an electronic oven which can assure a rapid and even heating for heated articles.

Description

A kind of electric oven
Technical field
The utility model relates to a kind of firing equipment, especially relates to a kind of electric oven.
Background technology
Electric oven is a kind of widely used firing equipment, especially in food processing industry and family, is widely used.
Electric oven adopts heaters such as electric heating tube, light wave heating tube that the food in the baking box or other article that need toast are heated.
In common electric oven, heater is installed on a certain side (as top) of baking box, can be in heating clamber or outside the heating clamber.Under this mounting means, because thermal source is from heating tube, therefore, the temperature distributing disproportionation of whole heating clamber is even.Simultaneously, owing to actually add the obstruct that the transmission of pining for heat is subjected to heating object, the heat that heating object is subjected to towards a side joint of heating tube is apparently higher than opposite side, makes the heating thing can't thermally equivalent.Above-mentioned situation can cause food each several part mouthfeel difference in the cooking.Simultaneously, in order to make food well-done, must wait for and be heated minimum local ripely that just can stop heating, this can prolong heat time heating time again.Obviously,, be necessary to improve the heat transfer of electric oven, make being heated that heating object can be full and uniform in order to obtain better cured effect.
Many technical schemes are disclosed in this regard in the existing patent.LG Corp of South Korea is in " electric oven " by name of application on December 26th, 2003, and application number is 200310120497 patent of invention, is proposing a kind of feasible scheme aspect the heat transfer uniformity of improving electric oven.In this patent, electric heating tube is positioned at the outside of oven heat chamber upside, in the upside of oven heat chamber outside outside or a certain side fan is installed also, during the rotation of this fan from the heating clamber air draught, the air of accelerating in the heating clamber flows, thereby the heat that the top heating tube is produced is delivered to heating thing surface faster.Because air flows fast, this electric oven can make heat transmit rapidly, and food is heated faster.
But, this improved electric oven heating object uneven problem of being heated that still has problems.This be because, the heat of electrothermal tube is to arrive heating object from a side in this electric oven, therefore, heating object one side is heated fully, opposite side is heated less, has influenced to add thermal effect, also makes prolongation heat time heating time simultaneously.
The utility model content
At above-mentioned defective, the technical problem that the utility model solves is to provide a kind of electric oven, and the heat that this electric oven not only can make electrothermal tube produce is delivered to heating object rapidly, and heating object is heated evenly, add thermal effect thereby effectively improve, shorten heat time heating time.
The electric oven that the utility model provides comprises:
Casing, its inner heating clamber that forms, this heating clamber is used to place heating object, and its opening is used to install door of electric oven; The upper plate of described heating clamber has by the densely covered last heat inlet that forms array of some through holes, plate has the rear heat inlet that is gathered and to be formed for array by some through holes behind the heating clamber relative with described heating clamber opening, and to be gathered by some through holes be the air outlet that circle forms; Wherein the position of air outlet is higher than the position of rear heat inlet;
Primary heater, be installed on the heating clamber upper plate outside and last heat inlet over against the position;
Secondary heater, be installed on the plate outside and rear heat inlet behind the heating clamber over against the position;
Fan, be installed on the plate outside and air outlet behind the heating clamber over against the position; This fan can be with the air sucking-off of heating clamber inside.
Preferably, described electric oven also comprises:
The first heat reflection cover is installed on the top of described primary heater, and this primary heater is covered fully; The side surface of plate has some through holes behind the upper surface of this first heat reflection cover and the close heating clamber;
The second heat reflection cover is installed on the outside of described secondary heater, and this secondary heater is covered fully; This second heat reflection cover has some through holes near the side surface of heating clamber upper plate;
Wind passage mouth, this wind passage mouth are that the some through holes on plate behind the heating clamber constitute, and the position of described through hole is higher than Board position on the heating clamber;
Back wind scooper is installed on the outside of described fan blade, and this fan blade is covered; This back wind scooper extends downwardly into the side surface of the close heating clamber upper plate of the described second heat reflection cover, and the described through hole of this side surface is covered fully; This back wind scooper extends up to the position that exceeds the heating clamber upper plate, and described wind passage mouth is covered fully;
Last wind scooper is installed on the top of the first heat reflection cover, and the through hole of the described first heat reflection cover upper surface is all covered; Plate hight is in the position of heating clamber upper plate after should going up wind scooper and extending rearward to heating clamber, and described wind passage mouth is covered fully.
Preferably, the both sides of described back wind scooper are symmetrically installed with to the outstanding wind deflector in inside.
Preferably, described wind deflector is a half elliptic.
Preferably, the heated tray level of electric oven is installed on the air outlet centre position adjacent with rear heat inlet.
Preferably, on the plate back cover is installed behind its heating clamber, heater, fan and heat reflection cover thereof, wind scooper that this back cover will be installed on the plate outside behind the heating clamber cover fully.
Preferably, the motor of described fan is fixed on the described back cover.
Preferably, described heater is optical wave tube heater or electrothermal tube heater.
Preferably, this electric oven is provided with microwave heating equipment, can carry out the heating of heating using microwave and heater at the same time or separately.
Compared with prior art, the electric oven that the utility model provides adopts two heaters simultaneously, respectively from top and the rear portion heat, the temperature in the electric oven heating clamber is raise fast.Because the employing fan promotes heat energy to flow, and makes heat energy can reach heating object rapidly, and forms two thermal cycles up and down, many-sided multi-angle of heating object while is heated, make the heating object thermally equivalent.
In preferred embodiment of the present utility model, by the wind path that wind scooper, air channel etc. constitutes, the air circulation of the clothing heating in the heating clamber is flowed, form hot air circulation, make full use of heat energy.Because hot air circulation flows, therefore, heat can not improve the temperature in the heating clamber owing to entering of cold air scattered and disappeared.
Electric oven of the present utility model can also combine with micro-wave oven, and this moment can shared electric control system, and realizes the thermal effect that adds that independent micro-wave oven or electric oven can't realize.
Description of drawings
Fig. 1 is the sectional view of the utility model first embodiment;
Fig. 2 is the front view of the utility model first embodiment;
Fig. 3 is that this figure is the lateral side view of this electric oven;
Fig. 4 is the lateral side view that the utility model first embodiment removes this electric oven behind wind scooper, the back cover 18;
Fig. 5 is that the utility model first embodiment removes the lateral side view of this electric oven behind the upper cover plate of back cover 18 and back wind scooper 20;
Fig. 6 is the wind path of the hot air circulation of the utility model first embodiment when not placing heated tray;
Fig. 7 is the wind path that the utility model first embodiment places the hot air circulation behind the heated tray;
Fig. 8 is the front view of the utility model second embodiment.
The specific embodiment
Fig. 1 is the sectional view of the utility model first embodiment.
As shown in the figure, this electric oven has casing 13, and this casing is a cube, and inner hollow forms heating clamber 22, and wherein, casing 13 front surfaces and rear surface have the edge of protrusion, are used to support whole electric oven.
Described heating clamber 22 front portions have an opening, are used to install door of electric oven (figure does not show).
The heating clamber upper plate outside is equipped with primary heater 16, and this primary heater 16 is fixedly mounted on heating clamber upper plate top.Described heating clamber upper plate has last heat inlet 2 over against the zone of this primary heater 16.The through hole that this last heat inlet 2 is distributed by some high density is formed the heat that is used to primary heater 16 is produced and is entered heating clamber 22.The first heat reflection cover 24 is installed on the top of primary heater 16, and this first heat reflection cover 24 covers primary heater 16 fully, and the reflect heat that its role is to primary heater 16 is produced is in heating clamber 22.The side surface of plate has some through holes (please refer to Fig. 4) behind the upper surface of this first heat reflection cover 24 and the close heating clamber.This reflector top is equipped with wind scooper 17, upward wind scooper 17 covers the through hole of the described first heat reflection cover, 24 upper surfaces fully, last wind scooper 17 extends rearward to plate (casing rear surface) behind the heating clamber always, with vertical connection of part that plate behind the heating clamber projects upwards, the portion of projecting upwards of plate forms the space of complete closed jointly behind last wind scooper 17 and the heating clamber at heating clamber upper plate top.
Plate behind the heating clamber (the being the casing rear surface) outside is equipped with fan 7 by the position on top, on plate behind the heating clamber with these fan 7 flabellums over against the zone, has air outlet 1, this air outlet 1 is made up of the through hole that some intermediate densities distribute, it distributes and roughly to form a circle, so that regional corresponding with electric fan.The plate outside is equipped with secondary heater 9 by the position of bottom behind this heating clamber, behind the heating clamber on the plate with this secondary heater 9 over against the zone have rear heat inlet 3, this rear heat inlet 3 is made up of the through hole that some high density distribute.The effect of this rear heat inlet 3 is that the heat that secondary heater 9 is produced enters heating clamber.On the position of heating clamber upper plate, have some through holes at plate hight behind this heating clamber, these through holes constitute wind passage mouth 12.In the outside of secondary heater 9, the second heat reflection cover 11 is installed, this second heat reflection cover 11 covers secondary heater 9 fully, and the reflect heat that its role is to secondary heater 9 is produced is in heating clamber 22.This second heat reflection cover 11 has some through holes (referring to Fig. 4) near the side surface of fan 7.Have back wind scooper 20 in the flabellum outside of described fan 7, this back wind scooper 20 extends downwardly into the side surface of the described second heat reflection cover 11, and the through hole on this side surface is all covered; This back wind scooper 20 extends up to the position that is higher than the heating clamber upper plate, and described wind passage mouth 12 is covered fully.The plate outside also is equipped with back cover 18 behind heating clamber, and this back cover 18 will be installed on the above-mentioned parts complete closed of plate behind the heating clamber, and the motor of described fan 7 installs and fixes thereon (referring to Fig. 3).
Please referring to Fig. 2, this figure is the front view of this electric oven.As can be seen from the figure, this electric oven has heating clamber 22, and the heating clamber upper plate has last heat inlet 2, and plate has rear heat inlet 3 behind the heating clamber, and air outlet 1, and wherein, the position of air outlet 1 is higher than rear heat inlet 3.In addition, the front surface 4 that the casing 13 of this electric oven also is shown among the figure has outstanding edge all around with rear surface 5 (plate behind the heating clamber).
Please referring to Fig. 3, this figure is the lateral side view of this electric oven.Back cover 18 is equipped with in the plate outside behind the heating clamber of electric oven shown in the figure, and this back cover 18 will be installed on that fan, the heater in the plate outside all covers behind the heating clamber.Fan electromotor also is shown among the figure to be fixedly mounted on the back cover 18 by two screws 6.
Please referring to Fig. 4, this figure be remove back cover 18, go up wind scooper 17, the lateral side view of this electric oven behind the wind scooper 20 of back.This illustrates the position of each through hole that constitutes the air channel.
The upper surface of the described first heat reflection cover 24 shown in the figure has some through holes 14, and this first heat reflection cover 24 is a hypotenuse near the side of plate behind the heating clamber, has some through holes 25.Plate hight has some through holes in the position of heating clamber upper plate behind the heating clamber, and these sets of vias become wind passage mouth 12.The second heat reflection cover 11 behind the heating clamber on the plate has some through holes 10 near on the side of fan 7.
It also shows the mounting means of heater.The secondary heater 9 of present embodiment and primary heater 16 are electrothermal tube or optical wave tube heater, use support to be separately fixed at plate and heating clamber upper plate behind the heating clamber, and electrothermal tube or optical wave tube heater all are positioned at reflector.
Fig. 5 illustrates the lateral side view of this electric oven behind the upper cover plate of removing back cover 18 and back wind scooper 20, the half elliptic wind deflector 19 that about this inside that illustrates back wind scooper 20 has journey is provided with, this wind deflector 19 is used to limit wind path, makes hot blast more concentrated, and accelerates to flow.
Fig. 6, Fig. 7 illustrates the wind path of this electric oven hot air circulation.Wherein Fig. 6 is the situation of not placing heated tray, and Fig. 7 is the situation behind the placement heated tray.
During fan shown in Fig. 67 work the air in the heating clamber 22 are sucked, primary heater 16, secondary heater 9 heatings and the hot-air that produces in its vicinity respectively behind the last heat inlet 2 by the heating clamber upper plate and the heating clamber rear heat inlet 3 of plate flow to air outlet 1.Because blocking of wind scooper, the wind passage mouth 12 on plate top enters wind scooper 17 behind the described heating clamber of a part of upwards process of the hot blast that fan 7 is sucked, and flow to primary heater 16, thereby form the hot air circulation on top through the through hole of the first heat reflection cover, 24 upper surfaces and side surface.The remainder of the hot blast that fan 7 sucks flows to secondary heater 9 through the through hole 10 (referring to Fig. 4) of the upper side of the second heat reflection cover 11 downwards, thereby forms the hot air circulation of bottom.
Fig. 7 illustrates the situation of the heated tray 8 of packing into.The installation site of heated tray shown in the figure 8 is positioned at the air outlet of plate behind the heating clamber and the centre position of air inlet.These heated tray 8 horizontal positioned are divided into two parts up and down with whole heating clamber, and the hot blast that heat inlet 3 is entered can not directly suck air outlet 1, therefore, can guarantee the bottom hot air circulation.Heating object is positioned on the heated tray 8.Certainly, according to circumstances, the position of heated tray 8 can be positioned at differing heights, but the position shown in the figure is best.
As can be seen, this electric oven is compared with the common electrical baking box from above figure, can make the heating indoor temperature rise faster from heating simultaneously on the both direction; Simultaneously, this electric oven has designed the wind path that quickens hot air circulation, can be in two hot air circulation of heating clamber 22 inner formation.Therefore, during this electric oven heating, the temperature that its heater produces can be transmitted fast, and, because two hot air circulation are respectively in the top of heating clamber and the bottom of heating clamber, and heated tray 8 is placed in heating clamber 22 centre positions, this just make heating object simultaneously from the top, the below is heated, heat comparatively evenly, the mouthfeel of food is better during cooking food.
In the present embodiment, described heater can be various electrothermal tubes, also can be the optical wave tube heater.
This electric oven has the control corresponding unit, is used to control electric heater, fan work, comprises that the wherein some heater work of control and two heaters work simultaneously.Can comprise sensor in the control module, to realize heating and temperature control.Control module can also have the programme-control function, and this function for example can be used to realize the processing to a certain certain food.Because above-mentioned control module does not relate to the improvement of the utility model to existing electric oven, therefore, will not describe in detail herein.
Should be pointed out that being placed in behind the heating clamber device of plate in the present embodiment can change a little and be installed on the heating clamber side plate, this mode does not have the different of essence with present embodiment.
Please referring to Fig. 8, this figure is the front view of the utility model second embodiment.The characteristics of this second embodiment are that electric oven is combined with micro-wave oven.
Among the figure, electric oven heating clamber right panel is equipped with magnetron 21 high voltage components such as grade, is used to realize heating using microwave.The remainder of this electric oven is identical with first embodiment.
This electric oven has heating using microwave and two kinds of functions of heater heating simultaneously, and two kinds of functions can be used simultaneously, also can use respectively.
Because electric oven and micro-wave oven have many common parts in control, so among this embodiment, the heating using microwave part can be shared with the control module of heater heating part, especially programme-control part.
When using microwave and heater to heat simultaneously, can make heated food promptly have the good taste of barbecue, again can very fast heat penetration, to toast with simple use heater and to compare, this kind mode can saves energy.Therefore, this electric oven with heating using microwave function can be realized that simple electric oven or simple micro-wave oven are beyond one's reach and adds thermal effect.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (9)

1, a kind of electric oven is characterized in that, comprising:
Casing, its inner heating clamber that forms, this heating clamber is used to place heating object, and its opening is used to install door of electric oven; The upper plate of described heating clamber has by the densely covered last heat inlet that forms array of some through holes, plate has the rear heat inlet that is gathered and to be formed for array by some through holes behind the heating clamber relative with described heating clamber opening, and to be gathered by some through holes be the air outlet that circle forms; Wherein the position of air outlet is higher than the position of rear heat inlet;
Primary heater, be installed on the heating clamber upper plate outside and last heat inlet over against the position;
Secondary heater, be installed on the plate outside and rear heat inlet behind the heating clamber over against the position;
Fan, be installed on the plate outside and air outlet behind the heating clamber over against the position; This fan can be with the air sucking-off of heating clamber inside.
2, electric oven according to claim 1 is characterized in that, also comprises:
The first heat reflection cover is installed on the top of described primary heater, and this primary heater is covered fully; The side surface of plate has some through holes behind the upper surface of this first heat reflection cover and the close heating clamber;
The second heat reflection cover is installed on the outside of described secondary heater, and this secondary heater is covered fully; This second heat reflection cover has some through holes near the side surface of heating clamber upper plate;
Wind passage mouth, this wind passage mouth are that the some through holes on plate behind the heating clamber constitute, and the position of described through hole is higher than Board position on the heating clamber;
Back wind scooper is installed on the outside of described fan blade, and this fan blade is covered; This back wind scooper extends downwardly into the side surface of the close heating clamber upper plate of the described second heat reflection cover, and the described through hole of this side surface is covered fully; This back wind scooper extends up to the position that exceeds the heating clamber upper plate, and described wind passage mouth is covered fully;
Last wind scooper is installed on the top of the first heat reflection cover, and the through hole of the described first heat reflection cover upper surface is all covered; Plate hight is in the position of heating clamber upper plate after should going up wind scooper and extending rearward to heating clamber, and described wind passage mouth is covered fully.
3, electric oven according to claim 2 is characterized in that, the both sides of described back wind scooper are symmetrically installed with to the outstanding wind deflector in inside.
4, electric oven according to claim 3 is characterized in that, described wind deflector is a half elliptic.
5, electric oven according to claim 2 is characterized in that, the heated tray level of electric oven is installed on the air outlet centre position adjacent with rear heat inlet.
6, electric oven according to claim 2 is characterized in that, on the plate back cover is installed behind its heating clamber, and heater, fan and heat reflection cover thereof, wind scooper that this back cover will be installed on the plate outside behind the heating clamber cover fully.
7, electric oven according to claim 6.It is characterized in that the motor of described fan is fixed on the described back cover.
According to each described electric oven of claim 1 to 7, it is characterized in that 8, described heater is optical wave tube heater or electrothermal tube heater.
9, according to each described electric oven of claim 1 to 7, it is characterized in that this electric oven is provided with microwave heating equipment, can carry out the heating of heating using microwave and heater at the same time or separately.
CN 200520142177 2005-11-24 2005-11-24 Electric oven Expired - Fee Related CN2860107Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520142177 CN2860107Y (en) 2005-11-24 2005-11-24 Electric oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520142177 CN2860107Y (en) 2005-11-24 2005-11-24 Electric oven

Publications (1)

Publication Number Publication Date
CN2860107Y true CN2860107Y (en) 2007-01-24

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ID=37657735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520142177 Expired - Fee Related CN2860107Y (en) 2005-11-24 2005-11-24 Electric oven

Country Status (1)

Country Link
CN (1) CN2860107Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102613912A (en) * 2012-04-24 2012-08-01 赖心秀 Domestic electric oven
CN104913349A (en) * 2015-06-17 2015-09-16 高金建 Microwave oven and oven dual-purpose machine
CN105819667A (en) * 2016-05-27 2016-08-03 姹ょ孩 Separated-collection type treatment closestool and excreta treatment method
CN106214011A (en) * 2016-09-30 2016-12-14 广东美的厨房电器制造有限公司 Cooking appliance
CN106264187A (en) * 2016-09-30 2017-01-04 广东美的厨房电器制造有限公司 cooking appliance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102613912A (en) * 2012-04-24 2012-08-01 赖心秀 Domestic electric oven
CN104913349A (en) * 2015-06-17 2015-09-16 高金建 Microwave oven and oven dual-purpose machine
CN105819667A (en) * 2016-05-27 2016-08-03 姹ょ孩 Separated-collection type treatment closestool and excreta treatment method
CN106214011A (en) * 2016-09-30 2016-12-14 广东美的厨房电器制造有限公司 Cooking appliance
CN106264187A (en) * 2016-09-30 2017-01-04 广东美的厨房电器制造有限公司 cooking appliance

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C19 Lapse of patent right due to non-payment of the annual fee
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