CN103705137A - Heat dissipation system for oven and electric oven - Google Patents
Heat dissipation system for oven and electric oven Download PDFInfo
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- CN103705137A CN103705137A CN201310699756.5A CN201310699756A CN103705137A CN 103705137 A CN103705137 A CN 103705137A CN 201310699756 A CN201310699756 A CN 201310699756A CN 103705137 A CN103705137 A CN 103705137A
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Abstract
The invention provides a heat dissipation system for an oven and the electric oven. The heat dissipation system for the oven comprises an air inlet, an air channel, an air outlet and a fan. The air inlet comprises an oven body air inlet and a door body air inlet, the oven body air inlet is formed in the front portion of the oven, and the door body air inlet is formed in the bottom of an oven door body. The air channel comprises a door body air channel, a first air channel and a second air channel, the door body air channel is communicated with the door body air inlet, and the first air channel is communicated with the oven body air inlet and the door body air channel. The air outlet is formed in the rear portion of the oven and is communicated with the second air channel. A fan exhausts air inside the first air channel into the second air channel. According to the technical scheme, users are effectively prevented from being scalded by the hot air exhausted from the air outlet, and the safety of the oven is improved.
Description
Technical field
The present invention relates to cooking apparatus field, more specifically, the electric oven that relates to a kind of cooling system of baking box and contain this cooling system.
Background technology
The electric oven using at present all has the heat abstractor of air-exhausting function, wind exhausting outlet generally between Men Tiyu control panel, electric oven by wind exhausting outlet to indoor discharge hot gas.User is using electric oven, or beats in the process of opening door body, has the hidden danger of the hot-air scald being discharged from.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, one object of the present invention is, provides a kind of and can effectively reduce a body heat content, avoids user to be scalded by the hot-air of air outlet, improves the cooling system of the baking box of baking box security.
Another object of the present invention is, a kind of baking box that contains above-mentioned cooling system is provided.
For achieving the above object, first aspect present invention embodiment provides a kind of cooling system of baking box, comprise: air inlet, air channel, air outlet and blower fan, described air inlet comprises casing air inlet and door body air inlet, described casing air inlet is arranged on the front portion of described baking box, and described door body air inlet is arranged on the bottom of oven door; Described air channel comprises the door body air channel being arranged in described oven door, and the first air channel and the second air channel that are arranged on oven cavity top and are connected, described door body air channel is connected with described door body air inlet, and described the first air channel is connected with casing air inlet and described door body air channel; Described air outlet is arranged on the rear portion of described baking box, and is connected with described the second air channel; Described blower fan is arranged between described the first air channel and the second air channel, and the wind in described the first air channel can be entered to described the second air channel.
The cooling system of baking box provided by the invention, air outlet is arranged on the rear portion of baking box, the hot-air of effectively having avoided user to be discharged by air outlet is scalded, improved the security of baking box, simultaneously, this cooling system can effectively reduce the temperature rise of oven door, specifically, blower fan unlatching work, air in the first air channel is drained in the second air channel and by air outlet and discharged, make generation negative pressure in the first air channel, negative pressure makes the cold air at air inlet place and Air Flow to the first air channel in door body air channel, and behind air stream to the first air channel of door in body air channel, door also can produce negative pressure in body air channel, extraneous cold air flows in a body air channel from door body air inlet under the effect of negative pressure in door body air channel, make constantly to have cold air to enter oven door inside, thereby make oven door all the time in a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door temperature rise, and then guaranteed the security of baking box, in addition, the first Yu Menti air channel, air channel is connected, like this, make to flow to through door body air channel the heat in the first air channel, can in the first air channel, form thermal insulation layer, thermal insulation layer is positioned at the top of oven cavity, can reduce oven cavity to baking box top transferring heat, realized the secondary utilization of heat, thereby improved the thermal efficiency of baking box, and then reach the object of energy-conserving and environment-protective.
The cooling system of the baking box providing according to first aspect present invention embodiment in addition, also has following additional technical feature:
According to one embodiment of present invention, described the first air channel and described the second air channel be arranged in parallel, and described the first air channel is between described the second air channel and the top board of described oven cavity, the middle part of described assembling above oven cavity.
The first air channel is between the second air channel and oven cavity, make the first air channel form heat-insulation chamber between oven cavity and baking box top, on the one hand, heat-insulation chamber can reduce oven cavity to baking box top transferring heat, improved the thermal efficiency of product, on the other hand, heat-insulation chamber can reduce the temperature rise on baking box top, thereby effectively guaranteed the service life of baking box superstructure, guaranteed the service life of the electronic and electric components on baking box top.
According to one embodiment of present invention, the cooling system of described baking box also comprises: volute of blower, wind deflector and guide duct, and described spiral case is arranged on the middle part of the top board of described oven cavity, and the flabellum of described blower fan is positioned at described spiral case; One end of described wind deflector is connected with described casing air inlet, has the opening being connected with described spiral case air inlet on described wind deflector, surrounds described the first air channel between the top board of described wind deflector and described oven cavity; One end of described guide duct is connected with the air outlet of described spiral case, and the other end is connected with described air outlet, forms described the second air channel.
The flabellum of blower fan is arranged in volute of blower, the air inlet of volute of blower is connected with the first air channel that the top board of wind deflector and oven cavity surrounds, the air outlet of volute of blower is connected with the second air channel that guide duct forms, effectively guaranteed under the effect of blower fan, air in the first air channel is all discharged into the second air channel, thereby guaranteed that oven door can remain at a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door temperature rise; In addition, the first air channel surrounding between the top board of wind deflector and described oven cavity, has guaranteed effect of heat insulation between oven cavity and baking box top effectively, meanwhile, has effectively reduced the temperature rise on baking box top, thereby has guaranteed the service life of baking box superstructure.
According to one embodiment of present invention, the front side on described baking box top is provided with control panel, is provided with the fan controller that can control described blower fan work on described control panel; Described casing air inlet is arranged between described control panel and described oven door.
The setting of control panel, makes the control of blower fan simple and convenient, and casing air inlet is arranged between control panel and oven door, can effectively reduce the temperature rise of control panel, thereby has guaranteed the service life of control panel.
According to one embodiment of present invention, described body air channel comprises first body air channel and second the body air channel be arrangeding in parallel; Described door body air inlet comprises first body air inlet and second body air inlet; The one end in described first body air channel is connected with described first body air inlet, the other end is connected with described door body air outlet; The one end in described second body air channel is connected with described second body air inlet, the other end is connected with described door body air outlet.
Two-door body air channel is set in oven door, and each body air channel is connected with a body air inlet, effectively increased the cold air entering in a body, thereby improved the radiating efficiency of oven door.
According to one embodiment of present invention, between described first body air channel and described second body air channel, be provided with thermal insulation board.
The setting of thermal insulation board, can not transmit mutually the heat between two-door body air channel, thereby has guaranteed that the temperature rise of door surface can be not too high, has effectively avoided because door body temperature rises the too high potential safety hazard causing, and then has effectively guaranteed the security of baking box.
According to one embodiment of present invention, the top of described oven door is provided with a body air outlet, and described door body air channel is connected with described casing air inlet and described the first air channel by described door body air outlet.
Door body air outlet is arranged on the top of oven door, makes to enter cold air in oven door and can flow through after whole oven door and flow in the first air channel, thereby effectively reduced the temperature rise of whole oven door.
According to one embodiment of present invention, described body air outlet comprises first body air outlet and second body air outlet; The other end in described first body air channel is connected with described first body air outlet, and described second body air channel is connected with described second body air outlet.
According to one embodiment of present invention, be provided with for beating the handle of opening door body on described oven door, described handle is positioned at the top of described oven door.
The setting of handle, makes opening of a body simple and convenient, time saving and energy saving, and can further avoid rising the too high potential safety hazard causing because of door body temperature.
The embodiment of second aspect present invention provides a kind of electric oven, includes the cooling system of the baking box that the arbitrary embodiment of first aspect present invention provides.
The electric oven that the embodiment of second aspect present invention provides is provided with the cooling system of the baking box that first aspect present invention embodiment provides; thereby all advantages with the cooling system of baking box; do not repeat them here, but its application all should be within protection scope of the present invention.
Additional aspect of the present invention and advantage will provide in description part below, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the sectional structure schematic diagram according to the electric oven described in one embodiment of the invention;
Fig. 2 be in Fig. 1 A-A to broken section structural representation.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
100 electric ovens, 1 control panel, 2 casing air inlets, 3 oven doors, 31 handles, 4 body air outlets, 41 first body air outlets, 42 second body air outlets, 5 body air channels, 51 first body air channels, 52 second body air channels, 6 thermal insulation boards, 7 body air inlets, 71 first body air inlets, 72 second body air inlets, 8 oven cavity, 9 air outlets, 10 guide ducts, 11 volute of blower, the air inlet of 111 spiral cases, the air outlet of 112 spiral cases, the flabellum of 12 blower fans, 13 wind deflectors, 14 first air channels, 15 second air channels.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
With reference to the accompanying drawings 1 and accompanying drawing 2 electric oven 100 of the cooling system that includes baking box providing according to one embodiment of the invention is described.
In Fig. 2, the flow direction that the direction of arrow is cooling-air.
As shown in Figure 1, the cooling system of baking box comprises: air inlet, air channel, air outlet 9 and blower fan, and air inlet comprises casing air inlet 2 and door body air inlet 7, and casing air inlet 2 is arranged on the front portion of baking box, and door body air inlet 7 is arranged on the bottom of oven door 3; Air channel comprises the door body air channel 5 being arranged in oven door 3, and be arranged on oven cavity 8 tops the first air channel 14 being connected and the second air channel 15, door body air channel 5 is connected with door body air inlet 7, and the first air channel 14 is connected with casing air inlet 2 and door body air channel 5; Air outlet 9 is arranged on the rear portion of baking box, and is connected with the second air channel 15; Blower fan is arranged between the first air channel 14 and the second air channel 15, and the wind in the first air channel 14 can be entered to the second air channel 15; Cold air enters, behind the first air channel 14, by blower fan, is entered to the second air channel 15 from casing air inlet 2 and door body air inlet 7, then discharges from air outlet 9 through the second air channel 15, to realize the heat radiation to baking box.
Wherein, the first air channel 14 and the second air channel 15 be arranged in parallel, and the first air channel 14 is between the second air channel 15 and the top board of oven cavity 8, the middle part of assembling above oven cavity 8.
The cooling system of baking box provided by the invention, air outlet 9 is arranged on the rear portion of baking box, the hot-air of effectively having avoided user to be discharged by air outlet 9 is scalded, improved the security of baking box, simultaneously, this cooling system can effectively reduce the temperature rise of oven door 3, specifically, blower fan unlatching work, air in the first air channel 14 is drained in the second air channel 15 and discharged by air outlet 9, make the first interior generation negative pressure in air channel 14, negative pressure makes the cold air at air inlet place and Air Flow to the first air channel 14 in door body air channel 5, and behind air stream to the first air channel 14 of door in body air channel 5, door also can produce negative pressure in body air channel 5, extraneous cold air flows in a body air channel 5 from door body air inlet 7 under the effect of door body air channel 5 interior negative pressure, make constantly to have cold air to enter oven door 3 inside, thereby make oven door 3 all the time in a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door 3 temperature rises, and then guaranteed the security of baking box, the first air channel 14 is between the second air channel 15 and oven cavity 8, make the first air channel 14 form heat-insulation chamber between oven cavity 8 and baking box top, on the one hand, heat-insulation chamber can reduce oven cavity 8 to baking box top transferring heat, improved the thermal efficiency of product, on the other hand, heat-insulation chamber can reduce the temperature rise on baking box top, thereby effectively guaranteed the service life of baking box superstructure, guaranteed the service life of the electronic and electric components on baking box top.
In addition, the middle part of assembling above oven cavity 8, this middle part can be the inclined to one side front position, centre that is positioned at oven cavity 8 tops, or be positioned at the centre position of oven cavity 8 tops, or partially rear position, the centre that is positioned at oven cavity 8 tops, all can realize object of the present invention, not repeat them here.
Particularly, the cooling system of baking box also comprises: volute of blower, wind deflector 13 and guide duct 10, and spiral case is arranged on the middle part of the top board of oven cavity 8, and the flabellum 12 of blower fan is positioned at spiral case; One end of wind deflector 13 is connected with casing air inlet 2, has the opening being connected with spiral case air inlet on wind deflector 13, surrounds the first air channel 14 between the top board of wind deflector 13 and oven cavity 8; One end of guide duct 10 is connected with the air outlet of spiral case, and the other end is connected with air outlet 9, forms the second air channel 15; The front side on baking box top is provided with control panel 1, is provided with and can controls the fan controller that fanman does on control panel 1; Air inlet is arranged between control panel 1 and oven door 3; On oven door 3, be provided with for beating the handle 31 of opening door body, handle 31 is positioned at the top of oven door 3.
Wherein, fan controller is button, can certainly other have the device of controlling fanman's work energy, such as: gauge taps etc., do not repeat them here.
The flabellum 12 of blower fan is arranged in volute of blower, the air inlet 111 of volute of blower is connected with the first air channel 14 that the top board of wind deflector 13 and oven cavity 8 surrounds, the air outlet of volute of blower is connected with the second air channel 15 that guide duct 10 forms, effectively guaranteed under the effect of blower fan, air in the first air channel 14 is all discharged into the second air channel 15, thereby guaranteed that oven door 3 can remain at a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door 3 temperature rises; In addition, the first air channel 14 surrounding between the top board of wind deflector 13 and described oven cavity 8, has guaranteed effect of heat insulation between oven cavity 8 and baking box top, simultaneously effectively, effectively reduce the temperature rise on baking box top, thereby guaranteed the service life of baking box superstructure; The setting of control panel 1, makes the control of blower fan simple and convenient, and casing air inlet 2 is arranged between control panel 1 and oven door 3, can effectively reduce the temperature rise of control panel 1, thereby has guaranteed the service life of control panel 1; The setting of handle 31, makes opening of a body simple and convenient, time saving and energy saving.
A concrete example of the present embodiment, preferably, the top of oven door 3 is provided with a body air outlet 4, and door body air channel 5 is connected with casing air inlet 2 and the first air channel 14 by door body air outlet 4; Door body air outlet 4 comprises first body air outlet 41 and second body air outlet 42; Door body air channel 5 comprises first body air channel 51 and second the body air channel 52 be arrangeding in parallel; Between first body air channel 51 and second body air channel 52, be provided with thermal insulation board 6; Door body air inlet 7 comprises 71 mouthfuls of first body air intakes and second body air inlet 72; The one end in first body air channel 51 is connected with first body air inlet 71, the other end is connected with first body air outlet 41; The one end in second body air channel 52 is connected with second body air inlet 72, the other end is connected with second body air outlet 42.
Door body air outlet 4 is arranged on the top of oven door 3, makes to enter cold air in oven door 3 and can flow through after whole oven door 3 and flow in the first air channel 14, thereby effectively reduced the temperature rise of whole oven door 3; In the interior two-door body air channel 5 that arranges of oven door 3, and each body air channel 5 is connected with a body air inlet 7 and a body air outlet 4, when effectively having increased the cold air entering in a body, air in two body air channels 5 can not flow mutually, thereby has improved the radiating efficiency of oven door 3; The setting of thermal insulation board 6, can not transmit mutually the heat between two-door body air channel 5, thereby has guaranteed that the temperature rise of door surface can be not too high, has effectively avoided because door body temperature rises the too high potential safety hazard causing, and then has effectively guaranteed the security of baking box.
In the present embodiment, door body air channel can also comprise the 3rd body air channel, the 4th body air channel, the 5th body air channel etc., and door is provided with thermal insulation board before body air channel, each body air channel all can be connected with a body air inlet and a body air outlet, also can be connected with same door body air inlet and same door body air outlet in a plurality of body air channels, do not repeat them here.
The course of work of the cooling system of the baking box that as shown in Figure 2, the present embodiment provides is as follows:
During heat abstractor work, the flabellum 12 of blower fan rotates, and the air of volute of blower 11 inside is discharged to baking box outside or indoor smoke discharging pipe along the second air channel 15 from air outlet 9; Volute of blower 11 inside because of Bas Discharged after, produce negative pressure, the first interior hot-air in air channel 14, the air inlet 111 by spiral case enters spiral case inside, the first air channel 14 produces negative pressure simultaneously, drives the air circulation in door body air channel 5; Thereby complete the heat radiation to baking box.
In sum, the cooling system of baking box provided by the invention, air outlet is arranged on the rear portion of baking box, the hot-air of effectively having avoided user to be discharged by air outlet is scalded, and has improved the security of baking box, simultaneously, this cooling system can effectively reduce the temperature rise of oven door, avoided because of the too high potential safety hazard causing of oven door temperature rise, and then guaranteed the security of baking box, and can effectively improve heat utilization efficiency, the saving energy of baking box; And electric oven provided by the invention has the cooling system of above-mentioned baking box, therefore, this electric oven has all advantages of the cooling system of above-mentioned baking box.
In description of the invention, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " be the object for describing only, and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited; Term " is connected ", " connection ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment ", " concrete example " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a cooling system for baking box, is characterized in that, comprising:
Air inlet, described air inlet comprises casing air inlet and door body air inlet, and described casing air inlet is arranged on the front portion of described baking box, and described door body air inlet is arranged on the bottom of oven door;
Air channel, described air channel comprises the door body air channel being arranged in described oven door, and the first air channel and the second air channel that are arranged on oven cavity top and are connected, described door body air channel is connected with described door body air inlet, and described the first air channel is connected with casing air inlet and described door body air channel;
Air outlet, described air outlet is arranged on the rear portion of described baking box, and is connected with described the second air channel; And
Blower fan, described blower fan is arranged between described the first air channel and the second air channel, and the wind in described the first air channel can be entered to described the second air channel.
2. the cooling system of baking box according to claim 1, is characterized in that,
Described the first air channel and described the second air channel be arranged in parallel, and described the first air channel is between described the second air channel and the top board of described oven cavity, the middle part of described assembling above oven cavity.
3. the cooling system of baking box according to claim 2, is characterized in that, also comprises:
Volute of blower, described spiral case is arranged on the middle part of the top board of described oven cavity, and the flabellum of described blower fan is positioned at described spiral case;
Wind deflector, one end of described wind deflector is connected with described casing air inlet, has the opening being connected with described spiral case air inlet on described wind deflector, surrounds described the first air channel between the top board of described wind deflector and described oven cavity; And
Guide duct, one end of described guide duct is connected with the air outlet of described spiral case, and the other end is connected with described air outlet, forms described the second air channel.
4. the cooling system of baking box according to claim 3, is characterized in that,
The front side on described baking box top is provided with control panel, is provided with the fan controller that can control described blower fan work on described control panel;
Described casing air inlet is arranged between described control panel and described oven door.
5. according to the cooling system of the baking box described in any one in claim 1 to 4, it is characterized in that,
Described door body air channel comprises first body air channel and second the body air channel be arrangeding in parallel;
Described door body air inlet comprises first body air inlet and second body air inlet;
The one end in described first body air channel is connected with described first body air inlet, the other end is connected with described door body air outlet;
The one end in described second body air channel is connected with described second body air inlet, the other end is connected with described door body air outlet.
6. the cooling system of baking box according to claim 5, is characterized in that,
Between described first body air channel and described second body air channel, be provided with thermal insulation board.
7. the cooling system of baking box according to claim 6, is characterized in that,
The top of described oven door is provided with a body air outlet, and described door body air channel is connected with described casing air inlet and described the first air channel by described door body air outlet.
8. the cooling system of baking box according to claim 7, is characterized in that,
Described door body air outlet comprises first body air outlet and second body air outlet;
The other end in described first body air channel is connected with described first body air outlet, and described second body air channel is connected with described second body air outlet.
9. the cooling system of baking box according to claim 8, is characterized in that,
On described oven door, be provided with for beating the handle of opening door body, described handle is positioned at the top of described oven door.
10. an electric oven, is characterized in that,
Include the cooling system of baking box as claimed in any one of claims 1-9 wherein.
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| CN201310699756.5A CN103705137B (en) | 2013-12-17 | 2013-12-17 | The cooling system of baking box and electric baker |
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| CN201310699756.5A CN103705137B (en) | 2013-12-17 | 2013-12-17 | The cooling system of baking box and electric baker |
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