CN106859377B

CN106859377B - electric oven

Info

Publication number: CN106859377B
Application number: CN201710111405.6A
Authority: CN
Inventors: 尤艳; 丁泺火; 陈兴强; 梁少棠; 冷芬勇; 肖冰海; 冯圆通; 张成玉
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2017-02-27
Filing date: 2017-02-27
Publication date: 2023-11-10
Anticipated expiration: 2037-02-27
Also published as: CN106859377A

Abstract

The application provides an electric oven, which comprises an oven body part; the door body is connected with the box body part and is used for opening or closing the box body part; the side wall of the box body is provided with a plurality of heat dissipation air channels which are mutually independent. The side wall of the box body part far away from one side of the door body is provided with the plurality of independent heat dissipation air channels, and the total overflow area of the heat dissipation channels is increased to a certain extent due to the fact that the plurality of heat dissipation air channels are arranged, so that the temperature reduction rate of the box body part can be effectively improved. The temperature of the box body of the electric oven is always kept in a safe temperature range for operation, and the reliability and safety of the electric oven are improved.

Description

Electric oven

Technical Field

The application relates to the technical field of electric oven equipment, in particular to an electric oven.

Background

In the prior art, in the method for controlling the temperature rise of the electric oven, an air inlet channel is generally only arranged on a door body of the electric oven to reduce the temperature of a box body part of the electric oven (first type), or only one annular heat dissipation channel is arranged at the periphery of the box body part to dissipate heat of the temperature of the box body part (second type). The first heat dissipation channel setting mode in the prior art is that the door body air channel is only arranged on the door body, so that the temperature rise of the rest part of the box body part is not effectively reduced, and the electric oven with the setting mode has potential safety hazards under long-time use. In the prior art, the second heat dissipation channel is arranged in an annular structure, so that in the product of actually producing the electric oven, the overflow area of the heat dissipation channel with the annular structure cannot be set too large, namely, the overflow area of the annular channel is limited, and the heat dissipation efficiency of the electric oven is not high, so that potential safety hazards exist in the process of using the electric oven for a long time.

Disclosure of Invention

The application mainly aims to provide an electric oven so as to solve the problem of low heat dissipation efficiency of the electric oven in the prior art.

In order to achieve the above object, according to one aspect of the present application, there is provided an electric oven comprising: a box body part; the door body is connected with the box body part and is used for opening or closing the box body part; the side wall of the box body is provided with a plurality of heat dissipation air channels which are mutually independent.

Further, the box body is provided with a heating chamber and an air outlet channel, a plurality of radiating air channels are communicated with the air outlet channel, and the air outlet channel is communicated with the heating chamber.

Further, the case portion includes: the partition plate is connected with the box body and is positioned above the heating chamber, a first distance is reserved between the partition plate and the top wall of the heating chamber to form a top heat dissipation channel, and the air outlet channel is communicated with the heating chamber and a plurality of heat dissipation air channels through the top heat dissipation channel.

Further, the side wall of the box body comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are sequentially connected, the door body is connected with the first side wall, and the plurality of radiating air channels are arranged on at least one of the second side wall, the third side wall and the fourth side wall.

Further, at least one heat dissipation air duct is arranged on each of the second side wall, the third side wall and the fourth side wall.

Further, the second side wall, the third side wall and the fourth side wall are provided with side wall cover plates in one-to-one correspondence, and a second distance is reserved between each side wall cover plate and the side wall of the heating chamber so as to form a heat dissipation air channel arranged on the second side wall, the third side wall and the fourth side wall.

Further, the electric oven further includes: the bottom cover plate is arranged at the bottom of the box body, a third distance is reserved between the bottom cover plate and the bottom of the heating chamber to form a bottom heat dissipation channel, and the bottom heat dissipation channel is communicated with at least one of the plurality of heat dissipation air channels.

Further, a plurality of through holes are formed in the bottom cover plate, and the through holes form an air inlet of the bottom heat dissipation channel.

Further, the heat dissipation air duct is provided with an air inlet and an air outlet, the air inlet of the heat dissipation air duct is positioned at the lower end of the box body, and the air outlet of the heat dissipation air duct is positioned at the upper end of the box body and communicated with the top heat dissipation channel.

Further, the electric oven includes: the top apron, top apron is connected with the box body, and top apron is located the top of baffle, and top apron has the fourth distance with the baffle in order to form the air-out passageway.

Further, the electric oven further includes: the fan part is located the top of box portion, and the inlet scoop of fan part is linked together with the air outlet of top heat dissipation passageway, and the air outlet of fan part is linked together with the air intake of air-out passageway, and the air outlet of air-out passageway is located the surface of box portion.

Further, at least one door body air channel is arranged on the door body, and the door body air channel is communicated with the air outlet channel.

Further, the electric oven further comprises a heat insulation layer, and the heat insulation layer is located between the heating chamber and the inner wall of the oven body.

By adopting the technical scheme of the application, the side wall of the box body far away from one side of the door body is provided with the plurality of independent heat dissipation air channels, and the total overcurrent area of the heat dissipation channels is increased to a certain extent, so that the temperature reduction rate of the box body can be effectively improved, and the heat dissipation efficiency of the electric oven is further improved. The temperature of the box body of the electric oven is always kept in a safe temperature range for operation, and the reliability and safety of the electric oven are improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

fig. 1 shows a schematic cross-sectional structural view of a first view of an embodiment of an electric oven according to the present application;

FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 shows a schematic cross-sectional structural view of a second view of an embodiment of an electric oven according to the present application;

FIG. 4 shows an enlarged schematic view of the structure at B in FIG. 3;

fig. 5 shows a schematic structural view of a third view angle of an embodiment of an electric oven according to the present application;

fig. 6 shows a schematic structural view of an embodiment of the bottom cover plate according to the application.

Wherein the above figures include the following reference numerals:

10. a box body part; 11. a heating chamber; 12. an air outlet channel; 13. a heat dissipation air duct; 14. a partition plate; 15. a first sidewall; 16. a second sidewall; 17. a third sidewall; 18. a fourth sidewall;

20. a door body; 21. a door body air duct; 22. a handle;

30. a top heat dissipation channel; 40. a sidewall cover plate; 50. a bottom cover plate; 51. a through hole; 60. a top cover plate;

70. a fan part;

80. a smoke exhaust tube;

90. and a heat insulation layer.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

As shown in connection with fig. 1 to 6, according to an embodiment of the present application, an electric oven is provided.

Specifically, the electric oven includes a body portion 10 and a door body 20. The door 20 is connected to the case 10, and the door 20 is used to open or close the case 10. Wherein, a plurality of heat dissipation air channels 13 are arranged on the side wall of the box body 10, and the plurality of heat dissipation air channels 13 are mutually independent.

In this embodiment, a plurality of independent heat dissipation air channels are arranged on the side wall of the box body far away from one side of the door body, and as the plurality of heat dissipation air channels are arranged, the total overflow area of the heat dissipation channels is increased to a certain extent, and the rate of temperature reduction of the box body can be effectively improved. The temperature of the box body of the electric oven is always kept in a safe temperature range for operation, and the reliability and safety of the electric oven are improved.

As shown in fig. 1, the box 10 has a heating chamber 11 and an air outlet passage 12, a plurality of heat dissipation air passages 13 are all communicated with the air outlet passage 12, and the air outlet passage 12 is communicated with the heating chamber 11. The heat that can produce the heating chamber at the in-process of heating for food like this can pass through the outside of the timely discharge electric oven of air-out passageway 12, plays the effect of effectively reducing the temperature of electric oven, has increased electric oven's safety in utilization.

As shown in fig. 5, the housing portion 10 includes a partition 14. The partition 14 is connected with the box body and is located above the heating chamber 11, a first distance is formed between the partition 14 and the top wall 141 of the heating chamber 11 to form a top heat dissipation channel 30, and the air outlet channel 12 is communicated with the heating chamber 11 and the plurality of heat dissipation air channels 13 through the top heat dissipation channel 30. The heat that can produce the heating chamber in the in-process of heating food like this can be through the timely discharge electric oven of air-out passageway 12 in order to prevent that electric oven temperature from being too high and influencing electric oven's life.

Specifically, the side walls of the case portion 10 include a first side wall 15, a second side wall 16, a third side wall 17, and a fourth side wall 18, which are connected in order. The door body 20 is connected to the first side wall 15, and the plurality of heat dissipation air channels 13 are disposed on at least one of the second side wall 16, the third side wall 17, and the fourth side wall 18. The side wall of the electric oven can be cooled so as to achieve the purpose of realizing temperature rise control on the whole electric oven.

Preferably, at least one heat dissipation air duct 13 is arranged on each of the second side wall 16, the third side wall 17 and the fourth side wall 18. The heat radiation air duct 13 may be a ventilation air duct formed by a gap between the box portion and an outer wall of the heating chamber. Specifically, the second side wall 16, the third side wall 17 and the fourth side wall 18 are respectively provided with a side wall cover plate 40 in one-to-one correspondence, and a second distance is formed between each side wall cover plate 40 and the side wall of the heating chamber 11 to form the heat dissipation air duct 13 arranged on the second side wall 16, the third side wall 17 and the fourth side wall 18. This arrangement can effectively serve to reduce the temperature of the housing of the tank.

The electric oven further includes a bottom cover plate 50. The bottom cover 50 is disposed at the bottom of the box 10, and a third distance is provided between the bottom cover 50 and the bottom of the heating chamber 11 to form a bottom heat dissipation channel, where the bottom heat dissipation channel is communicated with at least one of the plurality of heat dissipation air channels 13. The arrangement can enable the box body to be provided with ventilation air channels all around, and control of temperature rise of the box body can be effectively achieved.

Wherein, the bottom cover plate 50 is provided with a plurality of through holes 51. The plurality of through holes 51 form air inlets of the bottom heat dissipation channel. This arrangement can effectively increase the air intake of the box portion.

As shown in fig. 4, the heat dissipation duct 13 has an air inlet (C in fig. 4 is an air inlet, and D is a heat dissipation passage on a side wall) and an air outlet. The air inlet of the heat dissipation air duct 13 is positioned at the lower end of the box body 10, and the air outlet of the heat dissipation air duct 13 is positioned at the upper end of the box body 10 and communicated with the top heat dissipation channel 30. The arrangement can effectively increase the air inlet quantity of the side wall air channel, so that the speed of reducing the temperature of the box body is increased, and the time of cooling the box body is shortened.

Further, the electric oven includes a top cover plate 60. A top cover 60 is connected to the housing body, the top cover 60 being positioned above the partition 14, the top cover 60 being a fourth distance from the partition 14 to form the air outlet duct 12. The arrangement can ensure the tightness between the air outlet channel and the heat dissipation channel.

Preferably, the electric oven further includes a blower portion 70. The fan part 70 is located at the top of the box part 10, the air suction opening of the fan part 70 is communicated with the air outlet of the top heat dissipation channel 30, the air outlet of the fan part 70 is communicated with the air inlet of the air outlet channel 12, and the air outlet of the air outlet channel 12 is located on the outer surface of the box part 10. The arrangement is such that under the action of the blower portion 70, air flows in the heat dissipation channel and the air outlet channel, so that heat of the box portion is continuously taken away to achieve the effect of reducing the temperature of the box portion. The box body part is also provided with a smoke discharging tube 80, an inlet of the smoke discharging tube 80 is communicated with the heating chamber, an outlet of the smoke discharging tube 80 is communicated with the top heat dissipation channel, a valve which can be opened or closed is arranged in the smoke discharging tube 80, and when heat or oil smoke in the heating chamber is required to be discharged, the valve is opened, so that the heating chamber is communicated with the top heat dissipation channel. The valve can be closed when there is no need to exhaust the cooking fumes or hot gases in the heating chamber.

In order to further achieve the effect of omnidirectionally controlling the temperature rise of the box body, the door body 20 is provided with at least one door body air channel 21, the door body air channel 21 is communicated with the air outlet channel 12, specifically, the door body air channel can be directly communicated with the air outlet channel, and the door body air channel can be firstly communicated with the heat dissipation channel and then communicated with the air outlet channel. The door body 20 is also provided with a handle 22 to facilitate opening the door body.

In order to ensure that sufficient heating heat can be accumulated in the heating chamber and to avoid damage to the box body caused by the heat of the heating chamber, a heat insulating layer 90 may be further provided between the box body and the heating chamber. I.e. the insulating layer is located between the heating chamber 11 and the inner wall of the housing 10.

Specifically, the electric oven can effectively reduce the temperature of the oven door body and the whole oven, so that potential safety hazards can not exist in the use process. Four sides are adopted for air intake, the front side is provided with a heat dissipation turnover door, the rear side is provided with a heat dissipation main board, and the temperature rise of the cabinet is ensured at two sides; meanwhile, in the heat dissipation process, the heat dissipation fan uses the adjustable speed motor, and when the temperature of the furnace chamber is too high, the rotating speed of the heat dissipation fan can be relatively increased so as to increase heat dissipation. The specific scheme is as follows: two air inlets are arranged at the bottom of the oven door body, and a first air inlet and a second air inlet are formed in the oven door body. An air inlet, namely a left air inlet, a right air inlet and a rear air inlet, is further arranged at the left side plate, the right side plate and the rear cover plate of the oven. Two air channels are arranged above the oven box body, and the first air channel and the second air channel are the air outlet channels. Including setting up the door body air intake in door body bottom side, door body air intake and door body wind channel intercommunication, door body wind channel air outlet and the first wind channel that sets up in oven cavity top are top heat dissipation channel intercommunication, and the section of thick bamboo intercommunication first wind channel and oven cavity are discharged fume, and heat dissipation fan sets up between first wind channel and second wind channel, and the air outlet setting in second wind channel is between the control panel and the door body of oven front end. Under the effect of fan, cold air enters the door body from door body bottom air intake, flows through the door body wind channel, and the side air outlet that passes through the door body top gets into first wind channel, and through the effect of fan, through the oven of second wind channel discharge, effectively reduce door body temperature. In addition, the smoke outlet is communicated with the first air duct, under the action of the fan and natural convection, high-temperature oil smoke can enter the first air duct and flow out of the oven through the second air duct to take away the smoke in the oven. In addition, the left air channel and the right air channel blow external cold air into the oven, so that air convection exists between the cabinet and the oven, the temperature rise of the cabinet is ensured, heat is dissipated for lamps arranged on the left side surface and the right side surface, and hot air is discharged out of the oven from the second air channel under the action of a fan. The rear side air duct blows external cold air into the oven, radiates heat to the main board arranged on the back, and the hot air is discharged out of the oven from the second air duct under the action of the fan.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., indicate that the particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application, as generally described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the application.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An electric oven, comprising:

a case (10);

the door body (20), the said door body (20) links with said box (10), the said door body (20) is used for opening or closing the said box (10);

the side wall of the box body part (10) is provided with a plurality of radiating air channels (13), and the radiating air channels (13) are mutually independent;

the box body (10) is provided with a heating chamber (11) and an air outlet channel (12), a plurality of radiating air channels (13) are communicated with the air outlet channel (12), and the air outlet channel (12) is communicated with the heating chamber (11);

the bottom cover plate (50) is arranged at the bottom of the box body (10), a third distance is reserved between the bottom cover plate (50) and the bottom of the heating chamber (11) to form a bottom heat dissipation channel, and the bottom heat dissipation channel is communicated with at least one of the plurality of heat dissipation air channels (13).

2. The electric oven according to claim 1, characterized in that the box portion (10) comprises:

the partition board (14), partition board (14) are connected with the box body and are located above the heating chamber (11), a first distance is arranged between the partition board (14) and the top wall of the heating chamber (11) to form a top heat dissipation channel (30), and the air outlet channel (12) is communicated with the heating chamber (11) and a plurality of heat dissipation air channels (13) through the top heat dissipation channel (30).

3. The electric oven according to claim 1, wherein the side walls of the box body (10) comprise a first side wall (15), a second side wall (16), a third side wall (17) and a fourth side wall (18) which are sequentially connected, the door body (20) is connected with the first side wall (15), and a plurality of the heat dissipation air channels (13) are arranged on at least one of the second side wall (16), the third side wall (17) and the fourth side wall (18).

4. An electric oven according to claim 3, characterized in that said second side wall (16), said third side wall (17) and said fourth side wall (18) are each provided with at least one said heat dissipation duct (13).

5. The electric oven according to claim 4, characterized in that the second side wall (16), the third side wall (17) and the fourth side wall (18) are provided with side wall cover plates (40) in one-to-one correspondence, and a second distance is provided between each side wall cover plate (40) and the side wall of the heating chamber (11) to form the heat dissipation air duct (13) arranged on the second side wall (16), the third side wall (17) and the fourth side wall (18).

6. The electric oven according to claim 1, characterized in that a plurality of through holes (51) are provided on the bottom cover plate (50), a plurality of through holes (51) forming air inlets of the bottom heat dissipation channel.

7. The electric oven according to claim 2, characterized in that the heat dissipation air duct (13) has an air inlet and an air outlet, the air inlet of the heat dissipation air duct (13) is located at the lower end of the box portion (10), and the air outlet of the heat dissipation air duct (13) is located at the upper end of the box portion (10) and is communicated with the top heat dissipation channel (30).

8. The electric oven of claim 2, wherein the electric oven comprises:

the top cover plate (60), the top cover plate (60) with the box body is connected, the top cover plate (60) is located the top of baffle (14), the top cover plate (60) with baffle (14) has the fourth distance in order to form air-out passageway (12).

9. The electric oven of claim 8, further comprising:

the fan part (70), fan part (70) are located the top of box part (10), the inlet scoop of fan part (70) with the air outlet of top heat dissipation passageway (30) is linked together, the air outlet of fan part (70) with the air intake of air-out passageway (12) is linked together, the air outlet of air-out passageway (12) is located on the surface of box part (10).

10. The electric oven according to claim 2, characterized in that at least one door body air duct (21) is provided on the door body (20), the door body air duct (21) being in communication with the air outlet channel (12).

11. The electric oven according to claim 1, characterized in that it further comprises a thermal insulation layer between the heating chamber (11) and the inner wall of the housing part (10).