CN1899048B - Heating structure of drawer of electric roaster - Google Patents
Heating structure of drawer of electric roaster Download PDFInfo
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- CN1899048B CN1899048B CN2005100145726A CN200510014572A CN1899048B CN 1899048 B CN1899048 B CN 1899048B CN 2005100145726 A CN2005100145726 A CN 2005100145726A CN 200510014572 A CN200510014572 A CN 200510014572A CN 1899048 B CN1899048 B CN 1899048B
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Abstract
The present invention relates to electric roaster, and is especially airflow heating and cooling structure of drawer in electric roaster. The electric roaster includes casing, food roasting unit, electric convection heater, and food cooking and preserving drawer in the lower part, as well as heating pipeline connected between the roasting unit and the drawer to lead the electric heater heated air to the drawer, and several transverse porous plates inside the casing. The present invention results in saving in material and raised electric roaster safety and performance.
Description
Technical field
The present invention relates to bake technical field, in more detail, be a part of hot gas that produces about the convection type heater of baking box portion, by the water back water conservancy diversion to drawer portion, drawer portion to its electric oven that heats adds thermotectonics, and electric oven of the present invention is provided with the multilayer plate body in path of cool air again, is formed with pore on the plate body, can promote air to flow, cool off electric oven better.
Background technology
Oven is utilizing the xeothermic baking box that the culinary art thing is heated after the culinary art thing sealing and be formed on baking box top, cooking materials being placed on end face, the cooking equipment (hereinafter referred to as " baking box ") of the stove assembly unit formation of directly heating, cook.According to the kind of thermal source, baking box can be divided into gas burning roastor and electric oven usually.
Gas burning roastor mainly is raw material with the combustion gas, adopts by lighting the mode that kitchen range heats.Electric oven utilizes electricity to drive multiple electric heaters such as ceramic electrothermal device, sleeve pipe electric heater, halogen family electric heater, heats.
Electric oven can heat the surface and the inside of food simultaneously, compares with gas burning roastor, and its cooking speed is fast, thermal efficiency height, and its stability is also good than gas burning roastor, and use amount constantly increases.
Fig. 1 is the common electrical baking box schematic diagram of prior art.As shown in the figure, electric oven 1 is substantially rectangular structure, and the outward appearance at its side and the back side is formed by shell 5.
Above-mentioned electric oven 1 comprises the placement food container, and to its top kitchen range 10 that heats, be formed on top kitchen range 10 downsides, the control part 20 that electric oven 1 is controlled, the below that is formed on control part 20, baking box portion 30 by the thermal convection current cooking food, be formed on the downside of baking box 30, the drawer portion 40 that carries out simple cooking function or memory function.
Above-mentioned top kitchen range 10 forms the topmost of electric oven 1.Above the top kitchen range 10, be formed with Electric range 12.Electric range 12 is equipped with ultraviolet electric heater or halogen family electric heater.
Be formed with the ultraviolet glass-ceramic 14 that can see through above the above-mentioned top kitchen range 10, above the top kitchen range 10 that is formed with Electric range 12, seal by Electric range 12 generations.
The below of top kitchen range 10 is formed with the control part 20 that electric oven 1 is controlled.Front one side of control part 20 is formed with display 22, is used to show the duty of electric oven 1 and cooking time etc.The side of display 22 also is provided with a plurality of operation knobs 24, so that allow the user regulate the work of electric oven 1.
The below of above-mentioned control part 20 is formed with baking box portion 30.Baking box portion 30 is to be thermal source with the electricity, the enclosure space that the heat that utilizes a plurality of electric heaters to produce heats food, and its front is sealed by oven door 50 with being allowed a choice.
Above-mentioned baking box portion 30 inside are provided with a plurality of electric heaters that food is heated and allow hot gas produce the convection current fan 36 of convection current forcibly, allow food obtain uniform heating.
In addition, the front upper of above-mentioned oven door 50 is formed with handle 52 so that the user easily opens oven door 50.In order to confirm the inside of baking box portion 30 easily, on oven door 50, the front perspective window 54 that is formed by heat resistant glass is set penetratingly.
The below of above-mentioned baking box portion 30 is formed with drawer portion 40.This drawer portion 40 has the electric heater that is used to simply cook, and has drawer structure so that store culinary art required apparatus or food simply, can extract out from the below of above-mentioned baking box portion 30.
As shown in Figure 2, be the electric oven drawer portion heated state schematic diagram of prior art.Wherein baking box portion 30 is formed on top electric heater 32, the bottom electric heater 34 of baking box portion 30 inboard end faces and bottom surface and is formed on laterodorsal convection type heaters 35 heating in the above-mentioned baking box portion 30.
By the hot gas that above-mentioned top electric heater 32, bottom electric heater 34 and convection type heater 35 produce, improve the internal temperature of above-mentioned baking box portion 30.In the inboard of above-mentioned convection type heater 35, be formed with convection current fan 36, allow the hot gas of baking box portion 30 inside evenly distribute.
The downside of above-mentioned baking box portion 30 is formed with drawer portion 40, and drawer portion 40 is formed with warm drawer 42, and warm drawer 42 is extracted out forward in the mode of sliding or by folding and unfolding.The below of above-mentioned warm drawer 42, the bottom surface of promptly above-mentioned drawer portion 40 is formed with warm electric heater 44.
The same with above-mentioned top electric heater 32, bottom electric heater 34, above-mentioned warm electric heater 44 is to be formed by the sleeve pipe electric heater, by heating the warm drawer 42 of above-mentioned baking box portion 30 bottoms, preserves food or carries out the simple low temperature culinary art with the state of heat.
Therefore there is following first problem in the electric oven of conventional art of the present invention.That is:
Electric oven 1 with said structure, in order to heat the warm drawer 42 of drawer portion 40, in the bottom surface of above-mentioned drawer portion 40, other establishes warm electric heater 44.
Therefore, be provided for installing the various electronic units of warm electric heater 44.Cost when this can cause adopting warm heater 44 rises, and need append be used to assemble above-mentioned warm electric heater 44 with and the flow chart of electronic unit, cause production cost to rise.Thereby the price competitiveness of product descends.
Moreover.In the small space of above-mentioned warm drawer 40, six roots of sensation electric heater 44 and associated electronic unit are set, its task difficulty height, after-sale service difficulty.
In addition, Fig. 9 is the cooling air flow condition schematic diagram of the electric oven inner side of prior art.Showed the side of removing behind the coverboard that forms electric oven side and back among this figure.
As shown in the figure, be formed on the baking box portion 30 and the drawer portion 40 of above-mentioned shell 5 inboards, its amplitude is narrower than above-mentioned shell 5.Form at regular intervals between the outside, side of the inside part of above-mentioned shell 5 and baking box portion 30 and drawer portion 40.
Thereby the outside, side of baking box portion 30 and drawer portion 40 is formed with certain free space 70.Above-mentioned free space 70 is used for diversion air, and there is not structural member in its inside.
Electric oven 1 bottom surface being formed with drawer portion 40 is formed with sub-mount plate 60.Above-mentioned sub-mount plate 60 is the rectangular slab assembling structure, forms the bottom surface of electric oven 1.
On the above-mentioned sub-mount plate 60, run through and be formed with a plurality of pores 62, allow the extraneous air that is used to cool off electric oven 1 flow into.
The cooling principle of above-mentioned electric oven 1 is as follows.By the pore 62 of sub-mount plate 60, flow into the low room air of relative temperature.Air is inhaled into the free space of baking box portion 30 and drawer portion 40 sides, comes in contact with the side of baking box portion 30 and drawer portion 40.
By with suck contacting between the air, baking box portion 30 and drawer portion 40 obtain cooling, and air is heated.The air of above-mentioned intensification is shifted to the top under convection action, discharge or by the slit between above-mentioned top kitchen range 10 and the control part 20, arranged naturally to the outside by the exhaust outlet that establish in addition electric oven 1 rear or top, finishes the cooling operations to electric oven 1.
Therefore there be following second problem again in the prior art electric oven 1 that has said structure.That is:
Electric oven 1 with said structure forms the free space 70 that does not have any structure thing between baking box portion 30 and the outside, drawer portion 40 sides and shell 5 inboards, allow air only flow under the free convection effect.
Therefore, the free space of above-mentioned baking box portion 30 and drawer portion 40 sides, its inner air flows smooth and easy inadequately, is difficult to carry out effectively the refrigerating function to electric oven 1.
In addition, owing to do not have any structure thing in the above-mentioned free space 70, with this, when for a certain reason, there is the high temperature foreign matter to be dropped when the inside of electric oven 1, may directly drop to the ground of electric oven outside, cause the distortion on ground, also might initiation fire.
Summary of the invention
The present invention proposes for first and second problem that solves above-mentioned existence, its purpose adds thermotectonics for a kind of electric oven drawer portion is provided, promptly utilize water back that the convection type heater heat of baking box portion is sent to drawer portion, with the heating problems that solves drawer portion and path of cool air horizontally set number layer protruding orifice plate body with promote the free space of cooling air in baking box portion and drawer portion side unobstructed flow to cool off and can prevent cause the heating of drawer portion and the cooling air flow structure of the electric oven portion of security incident to the drop thing of high temperature of floor.
The technical scheme of the drawer portion heating arrangement that to solve first problem of the present invention be electric oven includes the baking box portion that food is cooked; Be formed on above-mentioned baking box portion inside, be used to produce the convection type heater of heat; Be formed on above-mentioned baking box subordinate side, the drawer portion that carries out simple food cooking and preservation; It is characterized in that also including: allow above-mentioned baking box portion and drawer portion be communicated with, the air conducting of above-mentioned convection type heater heating is arrived the water back of above-mentioned drawer portion.
The place ahead of above-mentioned convection type heater is sealed by convective cover.
One side of above-mentioned water back is communicated with the rear of above-mentioned convection type heater.
One side of above-mentioned water back is communicated with above-mentioned convective cover peripheral surface.
The opposite side of above-mentioned water back is communicated with a side of above-mentioned drawer portion.
Electric oven drawer portion with said structure adds thermotectonics, utilizes the heat of convection type heater, and portion heats to drawer, can reduce production cost of products, improves the price competitiveness of product.
Solving the technical scheme that second existing problem of the present invention promptly cool off air flow structure includes: the shell that forms appearance; Be formed on above-mentioned enclosure, be used for the baking box portion of cooking food; Be formed on above-mentioned baking box subordinate side, be used for the drawer portion of the culinary art and the preservation of food; Form the air flue of the cooling air of being used to circulate by the lateral surface of the medial surface of above-mentioned shell and baking box portion and drawer portion is separated by a distance; It is characterized in that: also include: several plate bodys of above-mentioned air flue laterally being divided setting; Run through on above-mentioned several plate bodys and be formed with a plurality of pores that promote circulation of air.
Above-mentioned several plate bodys are made of the sub-mount plate that forms both sides, electric oven bottom surface, the top plate body that is formed on the bottom plate body of above-mentioned drawer portion one side and is formed on above-mentioned baking box portion one side.
The edge of above-mentioned pore has the shape that projects upwards.
The present invention with said structure can promote to cool off upwards flowing of air, improves the cooling performance of electric oven.
Advantage and good effect: in sum, electric oven drawer of the present invention portion adds thermotectonics, does not establish the thermal source that is used to heat drawer portion in addition, imports the hot gas that is produced by convection type heater by water back, and portion heats to drawer.
Thereby, need not for heat drawer portion establish in addition electric heater with and appurtenances, just form pipe configuration simply drawer portion heated, can reduce material cost.
In addition, can omit the operation that drawer portion electric heater is installed in original being used to, not only can simplify production line, and allow operation be more prone to, can reduce production costs, improve the price competitiveness of product.
Moreover, only constitute drawer portion and add thermotectonics, not only can improve the convenience in the operation, and reduce the failure in service probability by simple pipeline configuration, and when producing fault, can keep in repair simply or replace, can improve after-sale service efficient.
In addition, electric oven of the present invention in the space that forms, forms a plurality of plate bodys of laterally dividing above-mentioned space, and form less a plurality of pores on plate body between by baking box portion and drawer portion and shell.
Allow in the space that air forms between by baking box portion and drawer portion and shell, move up, and increase flow velocity, can increase cooling effectiveness baking box portion and drawer portion by above-mentioned pore by convection current.
In addition, in the space that between by above-mentioned baking box portion and drawer portion and shell, forms, form airflow layer, can prevent effectively that heat radiation that above-mentioned baking box portion produces to outside, can guarantee user's safety.
Moreover, if there is the high temperature foreign matter to drop, can prevent that then it from directly dropping to ground when electric oven carries out work, disaster hidden-trouble has particularly been eliminated by thermal deformation in the ground that can prevent the set place of electric oven, has improved security.
Description of drawings
Fig. 1 is the common electrical baking box schematic diagram of prior art.
Fig. 2 is that the electric oven of prior art is to drawer portion heated state schematic diagram
Fig. 3 is the schematic appearance of electric oven most preferred embodiment of the present invention
Fig. 4 cuts open schematic diagram for electric oven most preferred embodiment internal structure side of the present invention.
Fig. 5 is an electric oven most preferred embodiment oven door open state schematic diagram of the present invention.
Fig. 6 is an electric oven most preferred embodiment convection type heater decomposing schematic representation of the present invention
Fig. 7 partly separates schematic diagram for electric oven most preferred embodiment drawer of the present invention.
Fig. 8 is an electric oven most preferred embodiment drawer of the present invention portion heated condition schematic diagram.
Fig. 9 is the cooling air flow condition schematic diagram of the electric oven inner side of prior art.
Figure 10 is the electric oven inner side cooling air flow condition schematic diagram of electric oven most preferred embodiment of the present invention.
Figure 11 is the pore side generalized section of electric oven most preferred embodiment of the present invention
Accompanying drawing critical piece label declaration
100: electric oven 150: shell
200: top kitchen range 220: Electric range
240: glass-ceramic 300: control part
320: display 340: operation knob
400: baking box portion 410: sealing ring
420: cavity plate 422: grooving
424: carriage 430: the top electric heater
440: bottom electric heater 450: convection type heater
452: convection current fan 453: inlet hole
454: convective cover 455: tap
460: water back 500: drawer portion
520: warm drawer 540: drawer door
542: drawer handle 560: roller
562: roller guide spare 600: oven door
620: handle 640: positive perspective window handle
700: plate body 720: the sub-mount plate
740: bottom plate body 760: the top plate body
780: pore 800: air flue
The specific embodiment
Solving first existing problems is the embodiment of the drawer portion heating arrangement of electric oven, is elaborated with reference to accompanying drawing 3,4,5.As shown in the figure, electric oven 100 has rectangular structure substantially.
Form on the cavity plate 420 of above-mentioned baking box portion 400 inboard two sides, be formed with a plurality of groovings 422 accordingly.Above-mentioned grooving 422 forms in position, so that carriage 424 is supported, allows the food of the side of being placed on it obtain best culinary art in position.In order to tackle the food of all size and kind, be formed with grooving 422 and carriage 424 with different shape.
The downside of above-mentioned baking box portion 400 is formed with drawer portion 500.Drawer portion 500 is equipped with the warm drawer 520 that can extract out forward.The inboard back side of above-mentioned drawer portion 500 is connecting heat water conservancy diversion that above-mentioned convection type heater 450 the is produced water back 460 to above-mentioned drawer portion 500.
Above-mentioned water back 460 has pipeline configuration, the one side is connected the back side one side of above-mentioned baking box portion 400, promptly, the cavity plate 420 of above-mentioned convection type heater 450 and convection current fan 452 is installed, opposite side is connected the inboard back side of above-mentioned drawer portion 500, and a part of hot gas of above-mentioned electric heater water back 460 is sent to above-mentioned drawer portion 500.
Fig. 6 is the convection type heater decomposing schematic representation of electric oven most preferred embodiment of the present invention.As shown in the figure, form laterodorsal cavity plate 420 1 sides in the above-mentioned baking box portion 400, be provided with convection type heater 450.
Identical with above-mentioned top electric heater 430 and bottom electric heater 440, above-mentioned convection type heater 450 is made of the sleeve pipe electric heater, and its coil is wound into circle, is installed on the above-mentioned baking box of the formation portion 400 interior laterodorsal cavity plates 420.
The above-mentioned circular coil inboard that is wound into circular convection type heater 450 is formed with convection current fan 452.Convection current fan 452 sucks air from the front, it is blowed to peripheral surface.On above-mentioned cavity plate 420, be equivalent to laterodorsal position in the above-mentioned baking box 400, that is, the bottom of above-mentioned convection current fan 452 is connecting the water back 460 with rectangular cross section shape.
Thereby the heat that above-mentioned convection type heater 450 produces is blown to peripheral surface under the effect of above-mentioned convection current fan 452, and its part flows into above-mentioned water back 460, by above-mentioned water back 460, flows to drawer portion 500.
The place ahead of above-mentioned convection type heater 450 and convection current fan 452 is formed with above-mentioned convection type heater 450 of sealing and convection current and fans 452 convective cover 454.The approximate centre position of above-mentioned convective cover 454 is formed with inlet hole 453, and has disc-shaped structure, and its peripheral surface is formed with ledge structure.
In the ledge structure of above-mentioned convective cover 454, vertical part is formed with tap 455, discharges the hot gas to circumferencial direction by above-mentioned convection current fan 452 rows.In the ledge structure of above-mentioned convective cover 454, horizontal component is assembled on the above-mentioned cavity plate 420 by a plurality of screws, seals above-mentioned convection type heater 450 and convective cover 454.
Fig. 7 partly separates schematic diagram for the drawer of electric oven most preferred embodiment of the present invention.As shown in the figure, the downside of above-mentioned baking box portion 400 is formed with drawer portion 500, with the state of heat preserve food or, simply cook with low temperature.
Above-mentioned drawer portion 500 by the open warm drawer 520 of cuboid of end face, stick on the front of above-mentioned warm drawer 520, the drawer door 540 that forms warm drawer 520 front appearance constitutes.
Above-mentioned warm drawer 520 can insert the inboard in drawer portion 500 less than the inboard size of above-mentioned drawer portion 500.The two sides of above-mentioned warm drawer 520 are formed with roller 560.Above-mentioned drawer portion 500 inboard two sides with above-mentioned roller 560 correspondence positions, are formed with roller guide spare 562.
Above-mentioned roller 560 and 562 combinations of roller guide spare allow warm drawer 520 in above-mentioned drawer portion 500 inboards, slide swimmingly, are drawn out of, push.
In addition, stick on the drawer door 540 in above-mentioned warm drawer 520 fronts, form the front appearance of above-mentioned drawer portion 500.After above-mentioned warm drawer 520 is pushed into drawer portion 500 inside fully, the outward appearance of the above-mentioned drawer of above-mentioned drawer door 540 formation portion 500.
The positive upper end of above-mentioned drawer door 540, caving inward is formed with drawer handle 542.Drawer handle 542 is integrally formed on the above-mentioned drawer door 540, for user's push-and-pull.The user spurs or pushes by holding above-mentioned drawer handle 542, can extract or push above-mentioned warm drawer 520 at an easy rate out.
In addition, the inboard back side of above-mentioned drawer portion 500 is connected above-mentioned water back 460.The hot gas that above-mentioned convection type heater 450 produces flow into above-mentioned drawer portion 500 inboards by above-mentioned water back 460.Thereby, also can fully heat above-mentioned drawer portion 500 even without other thermal source.
Below, operation principle of the present invention is described.
At first, the effect to the top kitchen range 200 of electric oven 100 describes.After the user is placed on Electric range 220 end faces of above-mentioned top kitchen range 200 to the container of putting food, operate the operation knob 340 of above-mentioned control part 300, allow the ultraviolet electric heater of above-mentioned Electric range 220 carry out work.
At this moment, above-mentioned ultraviolet electric heater radiation ultraviolet ray, ultraviolet ray sees through the glass-ceramic 240 of above-mentioned Electric range 220 end faces, and the container of food is put in heating, and food is cooked.
Next, the operation principle of electric oven 400 is described.The user opens oven door 600, food is placed on baking box portion 400 inside after, close above-mentioned oven door 600, seal above-mentioned baking box portion 400.After 400 sealings of above-mentioned baking box portion,, allow the electric heater of baking box portion 400 inside carry out work by the operation knob 340 of operating above-mentioned control part 300.
At first, the top electric heater 430 of above-mentioned baking box portion 400 inboard end faces carries out work.The above-mentioned baking box of 430 pairs of the above-mentioned top electric heaters portion 400 that is exposed at above-mentioned baking box portion 400 inboards heats.
Meanwhile, the bottom electric heater 440 of above-mentioned baking box portion 400 inside bottom surface also carries out work, heats from the below to above-mentioned baking box portion 400.Above-mentioned bottom electric heater 400 is isolated by above-mentioned cavity plate 420, and the heat that is produced by above-mentioned bottom electric heater 440 is by above-mentioned cavity plate 420 conduction, and above-mentioned baking box portion 400 is heated.
After above-mentioned convection type heater 450 and convection current fan 452 are switched on power supply, the interior laterodorsal convection current fan 452 that is formed on above-mentioned baking box portion 400 is rotated, convey convection current and fan the heat that the convection type heater 450 of 452 adjacency is produced, peripheral surface along above-mentioned convective cover 454 is discharged, and the heat in the baking box portion 400 is distributed uniformly.
Carry out work when above-mentioned top electric heater 430 and bottom electric heater 440 and convection type heater 450 are switched on power supply simultaneously, also can allow them individually carry out work as required.In addition, can regulate the power of each heater respectively by aforesaid operations knob 340.
Below, with reference to Fig. 8, drawer portion heating arrangement is described.
At first, the convection type heater 450 when above-mentioned baking box portion 400 is heated carries out work.The air that is heated by convection type heater 450 blows to the peripheral surface of above-mentioned convection current fan 452 under the effect of above-mentioned convection current fan 452.
At this moment a part of hot gas that is blowed flows into the rear of above-mentioned convection type heater 450, promptly is connected above-mentioned convection current and fans in the water back 460 of 452 downsides.One side of above-mentioned water back 460 is connected the rear of above-mentioned convection type heater 450, and opposite side is connected the inboard back side of above-mentioned drawer portion 500, and it is diversed in above-mentioned drawer portion 500 to flow into the hot gas of above-mentioned water back 460.
Diversed hot gas to above-mentioned drawer portion 500 rears under the effect of above-mentioned convection current fan 452, is blown into the whole space of above-mentioned drawer portion 500 inside equably.The inside hot gas of above-mentioned drawer portion 500 evenly heats warm drawer 520, the foods in the above-mentioned warm drawer 520 is kept at tepid state, or heats.
Embodiments of the invention are not limited by the foregoing description.If application person has the ABC of the industry in above-mentioned technical scope, promptly can the present invention carry out various deformation for the basis.
Such as, in the present embodiment the water back 460 of above-mentioned convection type heater 450 hot gas of water conservancy diversion, be connected the rear of above-mentioned convection type heater 450, promptly be equivalent to by on the laterodorsal cavity plate 420 in above-mentioned convection type heater 450 and the convection current fan 452 baking box portions that form 400.But as required, also can be connected the downside of above-mentioned convective cover 454, blow hot gas than just circumferencial direction to above-mentioned convection current fan 452.
Solve second existing problems and promptly cool off the embodiment of air flow structure,, electric oven most preferred embodiment of the present invention is described with reference to accompanying drawing.
Fig. 3 is an electric oven most preferred embodiment schematic appearance of the present invention.As shown in the figure, electric oven 100 has rectangular structure substantially, and the side of electric oven 100 and back appearance are formed by shell 150.
Above-mentioned shell 150 is made of side coverboard and back side coverboard.The side coverboard has the rectangular slab structure, forms the side outward appearance of electric oven 100.Back side coverboard forms the back appearance of electric oven 100.
Above-mentioned electric oven 100 comprises places food container to its top kitchen range 200 of cooking, the rearward end that is formed on top kitchen range 200, the control part 300 that the work of electric oven 100 is controlled, the downside that is formed on control part 300, the baking box portion 400 that food is cooked, the downside that is formed on baking box portion 400 have the drawer portion 500 of simple cooking function or memory function.
Above-mentioned top kitchen range 200 forms the topmost of electric oven 100, above the above-mentioned top kitchen range 200, is formed with a plurality of Electric ranges 220 that ultraviolet electric heater or halogen family electric heater are installed.
Be formed with the ultraviolet glass-ceramic 240 that can see through above the above-mentioned top kitchen range 200, above the top kitchen range 200 that is formed with Electric range 220, seal by Electric range 220 generations.
The rear end of above-mentioned top kitchen range 200 is formed with the control part 300 that the action of electric oven 100 is controlled.Front one side of control part 300 is formed with display 320, is used to show the operating state of electric oven 100 and cooking time etc.The side of display 320 also is provided with a plurality of operation knobs 340, so that allow the user regulate the work of electric oven 100.
Above-mentioned a plurality of operation knob 340 by the knob that is used to operate Electric range 220 and each knob that is used to operate above-mentioned baking box portion 400 and drawer portion 500 constitute.
The below of above-mentioned top kitchen range 200 is formed with baking box portion 400.Above-mentioned baking box portion is to be thermal source with the electricity, the heat that utilizes a plurality of electric heaters to produce, and to the enclosure space that food is cooked, its front is opened and closed by rotatable oven door 600 with being allowed a choice.
The inside of above-mentioned baking box portion 400 is formed with a plurality of electric heaters that food is heated and allows air produce the convection current fan of convection current forcibly, allows food obtain uniform heating.
The front upper of above-mentioned oven door 600, the outstanding forward jug 620 that forms opens and closes so that allow the user easily hold oven door 600.For baking box portion 400 inside being confirmed a side of oven door 600 runs through oven door 600 and is provided with the front perspective window 640 that is formed by heat resistant glass.
The below of above-mentioned baking box portion is formed with drawer portion 500.Drawer portion 500 can have the electric heater of establishing in addition, and the food of having cooked is carried out simple heating or simply cooks.Drawer portion 500 has drawer structure, can store cook utensil or food simply, can extract out from the bottom of baking box portion 400.
Fig. 4 is an electric oven most preferred embodiment internal structure side generalized section of the present invention.Fig. 5 is an electric oven most preferred embodiment oven door open state schematic diagram of the present invention.As shown in the figure, above-mentioned baking box portion 400 has rectangular structure substantially, and its front is opened and closed by oven door 600 with being allowed a choice.
The bottom of above-mentioned oven door 600 is hinged on the front downside of baking box portion 400, and when the above-mentioned handle 620 of assurance spurred forward, above-mentioned oven door 600 was opened, and opened the front of baking box portion 400.
The inboard of above-mentioned baking box portion 400 is formed with cavity plate 420.Cavity plate 420 forms baking box portion 400 inboard top and bottom, two sides and the back sides respectively.The cavity plate 420 that forms above-mentioned each face can be formed one or removably formation.
The inboard of above-mentioned baking box portion 400 is provided with a plurality of electric heaters, is used to produce heat, and food is cooked.That is, top electric heater 430 exposes in the inboard of baking box portion 400, and the inside bottom surface of baking box portion 400 is formed with bottom electric heater 440, the inboard back side of baking box portion 400, be formed with convection type heater 450,
In addition, for food is effectively heated, adopt the high sleeve pipe electric heater of the thermal efficiency to be advisable as above-mentioned each electric heater.
Above-mentioned each electric heater carries out uniform heating to the food in the baking box portion 400.For the hot gas that allows above-mentioned each electric heater produce is distributed more equably, the inboard back side in baking box portion 400 is provided with convection current fan 452.
Above-mentioned convection type heater 450 is adjacent to the peripheral surface of convection current fan 452.The inboard back side of above-mentioned baking box portion is formed with convective cover 454, seals above-mentioned convection type heater 450 and convection current fan 452, forms the peripheral passage of hot gas.
Form on the cavity plate 420 of baking box portion 400 inboard two sides, be formed with a plurality of groovings 422 accordingly.Above-mentioned grooving 422 forms in position, so that carriage 424 is supported, allows the food of the side of being placed on it obtain best culinary art in position.In order to tackle the food of all size and kind, be formed with grooving 422 and carriage 424 with different shape.
Figure 10 is the electric oven inner side cooling air flow condition schematic diagram of electric oven most preferred embodiment of the present invention.
As shown in the figure, form shell 150 inboards of electric oven 100 outward appearances, be formed with baking box portion 400 and drawer portion 500.The side of above-mentioned baking box portion 400 and drawer portion 500 is less than the size of shell 150.
Shell 150 inside that form electric oven 100 sides are formed with air flue 800 between baking box portion 400 and drawer portion 500 both sides lateral surfaces.Extraneous air flow into air flue 800, upwards flows, and baking box portion 400 and drawer portion 500 are carried out air cooling.Air flue 800 is formed on the both sides, inside of shell 150.
In addition, the design handlebar forms the horizontal a plurality of plate bodys 700 divided in space of air flue 800.Plate body 700 is made of the sub-mount plate 720 that forms both sides, electric oven 100 bottom surface, the top plate body 760 that is formed on the bottom plate body 740 of drawer portion 500 1 sides and is formed on baking box portion 400 1 sides.
Above-mentioned sub-mount plate 720 extends to form the both side ends of the bedplate (figure slightly) of electric oven 100 bottom surfaces, joins with the bottom, two sides of above-mentioned shell 150.Air flue 800 is formed on the both sides, bottom surface of above-mentioned electric oven 100.
In addition, above-mentioned sub-mount plate 720 is also laterally divided the bottom surface of air flue 800 from the medial surface of drawer portion 500 bottom surface side ends contact at shell 150.
Above-mentioned bottom plate body 740 and top plate body 760 be respectively from the top surface side end of drawer portion 500 and the side end of baking box portion 400, joins with the medial surface of shell 150, laterally divides the space that above-mentioned baking box portion 400 and drawer portion 500 and shell 150 form.
Be formed with on the above-mentioned plate body 700 and a plurality ofly can touch the pore 780 that air into flows.Above-mentioned pore allows from outside leaked-in air, and is more mobile in the space that is formed by baking box portion 400 and drawer portion 500 and shell, cools off baking box portion 400 and drawer portion 500 better.
Above-mentioned plate body 700 not only can be arranged on the top, side of baking box portion 400 and drawer portion 500, also can be arranged on other positions, as long as can laterally divide air flue 800.
Above-mentioned plate body 700 can laterally be divided the whole inner space that is formed by shell 150.
Such as, can allow above-mentioned sub-mount plate 720 form the bottom surface of whole electric oven 100, the end face that allows drawer portion 500 contact at sub-mount plate 720.Between baking box portion 400 and drawer portion 500, form bottom plate body 740 with the structure of joining with baking box portion 400 and drawer portion 500, and at the end face of baking box portion 400, form top plate body 760 with the structure of joining with above-mentioned baking box portion 400.
Promote above-mentioned pore 780 that air flows to be formed on the both side ends of each plate body 700, promptly be exposed at the position in the space that forms by baking box portion 400 and drawer portion 500 and shell 150.
Figure 11 is the pore side generalized section of electric oven most preferred embodiment of the present invention.As shown in the figure, above-mentioned plate body 700 upper end pores 780, its length slightly is longer than the footpath degree, is processed to form by punching press etc.
Above-mentioned pore 780 has certain shape, allows air pass through can flow more naturally when pore 780 flows from bottom to top, and can prevent the refluence of air.
That is, the punching press that makes progress from the below of above-mentioned plate body 700 allows plate body 700 end faces that are equivalent to pore 780 edges project upwards to a certain degree, and allows the plate body 700 bottom surfaces depression slightly upwards that is equivalent to pore 780 edges.
Below, to electric oven effect of the present invention, describe.
At first, the effect to the top kitchen range 200 of electric oven 100 describes.After the user was placed on Electric range 220 end faces of top kitchen range 200 to the container of putting food, the operation knob by operation control part 300 allowed the ultraviolet electric heater of Electric range 220 carry out work.
At this moment, above-mentioned ultraviolet electric heater radiation ultraviolet ray, ultraviolet ray sees through the glass-ceramic 240 of Electric range 220 end faces, and the container of food is put in heating, and food is cooked.
Next, the operation principle of electric oven 400 is described.The user opens oven door 600, food is placed on baking box portion 400 inside after, close oven door 600, sealing baking box portion 400.After 400 sealings of baking box portion, the operation knob 340 by operation control part 300 allows the electric heater of baking box portion 400 inside carry out work.
At first, the top electric heater 430 of baking box portion 400 inboard end faces carries out work.The 430 pairs of baking box portions 400 of top electric heater that are exposed at baking box portion 400 inboards heat.
Meanwhile, the bottom electric heater 440 of baking box portion 400 inside bottom surface also carries out work, heats from the below to baking box portion 400.Bottom electric heater 400 is isolated by cavity plate 420, and the heat that is produced by bottom electric heater 440 is conducted by cavity plate 420, and baking box portion 400 is heated.
After above-mentioned convection type heater 450 and convection current fan 452 are switched on power supply, be formed on the inboard back side of baking box portion 400, the convection current fan 452 that is the back housing back side is rotated, convey convection current and fan the heat that the convection type heater 450 of 452 adjacency is produced, peripheral surface along convective cover 454 is discharged, and the heat in the baking box portion 400 is distributed uniformly.
Carry out work when above-mentioned top electric heater 430 and bottom electric heater 440 and convection type heater 450 are switched on power supply simultaneously, also can allow them individually carry out work as required.In addition, can regulate the power of each heater respectively by operation knob 340.
Below, with reference to Figure 10, the process of air cooling above-mentioned baking box portion and drawer portion is described.
When above-mentioned electric oven 100 carried out work, the inside of baking box portion 400 reached the state of the small-sized stove about 500 ℃ approximately.For user's safety, need prevent that the high-temperature gas of baking box portion 400 from leaking into the outside, and baking box portion 400 and drawer portion 500 are cooled off also is very important problem.
At first, the extraneous air of electric oven 100 belows by sub-mount plate 720 pores 780 of electric oven 100 bottom surfaces, flows into air flue 800 inside.
By sub-mount plate 720 leaked-in airs, when flowing through drawer portion 500 sides, drawer portion 500 is cooled off, and flow through the air of drawer portion 500 sides, flow through bottom plate body 740 pores 780 that are formed on upper end, drawer portion 500 sides, flow to air flue 800 tops that side and shell 150 by baking box portion 400 form.
Flow through the air of bottom plate body 740 pores 780, the side of baking box portion 400 is cooled off, and carry out the air that heated up after the heat exchange, flow to the top, flow through top plate body 760 pores 780 on top, baking box portion 400 side with baking box portion 400.
Flow through the air of top plate body 760, arranged the space between baking box portion 400 and top kitchen range 200 to outlet that is formed on electric oven 100 back sides or end face or row.
And the plate body 700 of pore 780 edges, because its end face projects upwards, the bottom surface is depression upwards.Therefore, be used to cool off the air of baking box portion 400 and drawer portion 500, behind the inflow air flue, upwards flow naturally, be prevented from flowing backwards.
In addition, when air is flowing in the space that is formed by baking box portion 400 and drawer portion 500 and shell 150,, form airflow layer, when cooling off, prevent that the high temperature hot gas of baking box portion 400 is radiated outside, a kind of heat-blocking action in the inboard of electric oven 100.
Embodiments of the invention are not limited by the foregoing description.If application person has the ABC of the industry in above-mentioned technical scope, promptly can the present invention carry out various deformation for the basis.
Claims (5)
1. the drawer portion heating arrangement of an electric oven, it comprises the baking box portion that food is cooked; Be formed on above-mentioned baking box portion inside, be used to produce the convection type heater of heat; Be formed on above-mentioned baking box subordinate side, the drawer portion that carries out simple food cooking and preservation; It is characterized in that: also include: allow above-mentioned baking box portion and drawer portion be communicated with, the air conducting of above-mentioned convection type heater heating is arrived the water back of above-mentioned drawer portion.
2. the drawer portion heating arrangement of electric oven according to claim 1, it is characterized in that: the place ahead of above-mentioned convection type heater is sealed by convective cover.
3. the drawer portion heating arrangement of electric oven according to claim 2, it is characterized in that: a side of above-mentioned water back is communicated with the rear of above-mentioned convection type heater.
4. electric oven drawer according to claim 2 portion heating arrangement, it is characterized in that: a side of above-mentioned water back is communicated with above-mentioned convective cover peripheral surface.
5. according to claim 3 or 4 described electric oven drawer portion heating arrangements, it is characterized in that: the opposite side of above-mentioned water back is communicated with a side of above-mentioned drawer portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100145726A CN1899048B (en) | 2005-07-19 | 2005-07-19 | Heating structure of drawer of electric roaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100145726A CN1899048B (en) | 2005-07-19 | 2005-07-19 | Heating structure of drawer of electric roaster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1899048A CN1899048A (en) | 2007-01-24 |
| CN1899048B true CN1899048B (en) | 2011-04-06 |
Family
ID=37655184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100145726A Expired - Fee Related CN1899048B (en) | 2005-07-19 | 2005-07-19 | Heating structure of drawer of electric roaster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1899048B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744343A (en) * | 2017-11-16 | 2018-03-02 | 张荣斌 | A kind of fast cooling type oven |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025299A (en) * | 1976-02-18 | 1977-05-24 | Jocelyn Dubois | Baking oven |
| CN2322398Y (en) * | 1998-04-09 | 1999-06-09 | 新麦企业股份有限公司 | Baker |
| CN1301477A (en) * | 1998-04-02 | 2001-06-27 | 透波歇夫技术股份有限公司 | Residential oven with convectional and microwave heating |
-
2005
- 2005-07-19 CN CN2005100145726A patent/CN1899048B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025299A (en) * | 1976-02-18 | 1977-05-24 | Jocelyn Dubois | Baking oven |
| CN1301477A (en) * | 1998-04-02 | 2001-06-27 | 透波歇夫技术股份有限公司 | Residential oven with convectional and microwave heating |
| CN2322398Y (en) * | 1998-04-09 | 1999-06-09 | 新麦企业股份有限公司 | Baker |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-311518A 2001.11.09 |
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| Publication number | Publication date |
|---|---|
| CN1899048A (en) | 2007-01-24 |
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