CN212719866U

CN212719866U - Microwave oven with barbecue function

Info

Publication number: CN212719866U
Application number: CN202021533542.2U
Authority: CN
Inventors: 李丰
Original assignee: Guangdong Galanz Enterprises Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-16
Anticipated expiration: 2030-07-29
Also published as: JP3229019U

Abstract

The utility model provides a microwave oven with barbecue function, the microwave oven comprises a box body, a cooking cavity and a bottom electric chamber which are formed after being divided in the box body by a bearing plate, wherein a first groove is arranged in the bottom electric chamber, extends from the inner wall of the cooking cavity to one side of the bottom electric chamber and is formed in the bottom electric chamber; the first groove is internally provided with a heat insulation layer with the edge abutting against the side wall of the first groove and a first heating pipe arranged between the heat insulation layer and the support plate, and the heat insulation layer is used for reducing the heat of the first heating pipe from being transferred towards the bottom of the first groove. The utility model overcomes the microwave oven heat utilization rate of heating tube is low among the prior art, and heat energy causes the technical problem that components and parts electrical characteristic changes and life-span reduces to bottom components and parts radiation.

Description

Microwave oven with barbecue function

Technical Field

The utility model relates to a cooking device field, specifically speaking relates to a microwave oven with barbecue function that heating efficiency height can protect bottom components and parts.

Background

The microwave oven product comprises a box body and a door body, wherein a cooking cavity is arranged in the box body, food is placed in the cooking cavity, the door body closes an opening of the cooking cavity, a magnetron in the microwave oven converts electric energy into microwave with 2450MHz oscillation frequency after being electrified, the generated microwave is transmitted into the cooking cavity of the microwave oven through a waveguide box, and water molecules in the food can generate heat after absorbing the microwave, so that the food is heated.

In order to improve the distribution uniformity of microwaves in the cooking cavity, a microwave stirring component is generally required to be arranged at a microwave input port position (corresponding to a microwave output port position of the waveguide box) of the cooking cavity, the microwave stirring component comprises a stirring motor and a microwave stirrer which is driven by the stirring motor to rotate and is made of metal, and after the microwave stirrer rotates, the microwaves input into the cooking cavity can be reflected in an all-around manner, so that the distribution uniformity of the microwaves in the cooking cavity can be improved, and the uniformity of heating of food is improved.

The microwave oven product has a simple microwave heating function and also has the functions of integrating microwave heating and heating tube heating, wherein the heating tube heating can roast food so as to realize the diversity of food cooking modes. In order to improve the barbecue uniformity of the microwave oven with the barbecue function, heating tubes are generally arranged at the top and the bottom of a cooking cavity at the same time, and food is generally placed at the bottom of the cooking cavity, so a food supporting plate is required to be arranged above the heating tubes at the bottom, the existing food supporting plate is made of a non-light-tight material, and heat generated by the heating tubes at the bottom can be transmitted to the supporting plate only in an air heat conduction mode and then is transmitted to the inside of the cooking cavity through the supporting plate; and the heat that the bottom heating tube produced still can be through the mode conduction of air conduction to periphery and below for the heat that the bottom heating tube produced finally gets into the heat that cooks in the cavity reduces, and the heat utilization ratio that the bottom heating tube is used for heating food reduces, can influence the life-span and the performance of the peripheral and/or electronic components below of heating tube simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a, it is low to aim at solving current microwave oven heat utilization rate that has the heating tube, and heat energy causes the technical problem that components and parts electrical characteristic changes and life-span reduces to bottom components and parts radiation.

The utility model provides a microwave oven with barbecue function, the microwave oven includes the box, is formed by the culinary art chamber and the bottom electric room after the bearing plate is cut apart in the box, its characterized in that, be provided with first recess in the bottom electric room, first recess is for extending to bottom electric room one side by the culinary art intracavity wall, and form in bottom electric room; the first groove is internally provided with a heat insulation layer with the edge abutting against the side wall of the first groove and a first heating pipe arranged between the heat insulation layer and the support plate, and the heat insulation layer is used for reducing the heat of the first heating pipe from being transferred towards the bottom of the first groove.

In the present embodiment, first, the first heat-generating pipe starts to operate to bake and heat the food placed above the first heat-generating pipe and on the support plate, and at this time, due to the arrangement of the heat-insulating layer, the radiation amount of the heat generated by the first heat-generating pipe in the direction toward the bottom of the first groove is weakened to the maximum extent, on one hand, the radiation amount of the first heat-generating pipe toward the support plate, that is, toward the side of the food is enhanced; on the other hand, the influence of the heat generated by the first heating tube on other components below the first groove can be reduced to the maximum extent, and the technical problems that in the prior art, the microwave oven with the heating tube is low in heat utilization rate, the electrical characteristics of components are changed due to the fact that heat radiates to the components at the bottom, and the service life of the components is shortened are solved.

Drawings

Fig. 1 and 2 are schematic structural views of the inside of the microwave oven according to the present invention;

FIG. 3 is a partial schematic view of a first groove of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a cross-sectional view in another direction of FIG. 1;

fig. 6 is an exploded view of the present invention.

Description of reference numerals:

10. a box body; 20. a support plate; 30. a cooking cavity; 40. a bottom electrical chamber; 41. a first groove; 411. a first step; 412. a second step; 413. passing through the aperture; 42. a thermal insulation layer; 43. a first heat-generating pipe; 430. a second heat generating tube; 44. a stirring motor; 45. a microwave stirrer; 46. a second groove; 461. a horizontal table top; 47. a waveguide box; 48. a control circuit module; 49. and a variable frequency power supply module.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 to 6, the present invention discloses a microwave oven with a barbecue function, which includes a housing 10, a cooking cavity 30 formed by dividing the housing 10 by a support plate 20, and a bottom electrical chamber 40.

Wherein food to be heated is placed on the support plate 20 within the cooking chamber 30. While the bottom electrical compartment 40 is provided with electrical and control parts for heating the food in the cooking chamber 30.

Referring to fig. 1, fig. 3 and fig. 4, specifically, a first groove 41 is disposed in the bottom electrical chamber 40, and the first groove 41 extends from the inner wall of the cooking cavity 30 to one side of the bottom electrical chamber 40 and is formed in the bottom electrical chamber 40. The sidewall of the first groove 41 forms a first step 411 and a second step 412 in the process of extending from the cooking cavity 30 to the bottom of the first groove 41; the support plate 20 is disposed on the first step 411.

A heat insulation layer 42 with the edge abutting against the side wall of the first groove 41 and a first heating pipe 43 arranged between the heat insulation layer 42 and the support plate 20 are arranged in the first groove 41; the thermal insulation layer 42 is disposed on the second step 412. The thermal insulation layer 42 is used for reducing the heat transfer of the first heat-emitting pipe 43 towards the bottom of the first groove 41.

In this embodiment, a control circuit module 48 and a variable frequency power module 49 are further disposed in the bottom electrical room 40, and the control circuit module 48 and the variable frequency power module 49 are located below the first recess 41.

In the present embodiment, first, the first heat-generating pipe 43 starts to operate to bake and heat the food placed above the first heat-generating pipe 43 and on the supporting plate 20, and at this time, due to the arrangement of the heat-insulating layer 42, the radiation amount of the heat generated by the first heat-generating pipe 43 in the direction toward the bottom of the first groove 41 is weakened to the maximum extent, on the one hand, the radiation amount of the first heat-generating pipe 43 toward the supporting plate 20, that is, toward the side of the food is enhanced; on the other hand, the image of the heat generated by the first heat-generating pipe 43 on other parts below the first groove 41 can be reduced to the maximum extent, for example: the images of the control circuit module 48 and the variable frequency power supply module 49 can be reduced, the control circuit module 48 and the variable frequency power supply module 49 can work normally, and the electrical performance abnormity caused by zero drift and switching abnormity of components such as a triode due to high temperature can be prevented; or reduce the service life of the electrical components.

The utility model provides a current microwave oven heat utilization rate with the heating tube low, heat energy causes the technical problem that components and parts electrical characteristic changes and life-span reduces to bottom components and parts radiation.

In another embodiment of the present invention, a stirring motor 44 is further disposed in the bottom electrical chamber 40, and a microwave stirrer 45 is fixedly connected to a rotating end of the stirring motor 44; the agitator motor 44 and the microwave agitator 45 serve to uniformly radiate generated microwaves above the support plate 20 when operated. The bottom of the first groove 41 is provided with a through hole 413; the rotating end of the stirring motor 44 extends into the through hole 413 and is positioned between the heat insulation layer 42 and the bottom of the first groove 41, and the microwave stirrer 45 is positioned between the bottom of the first groove 41 and the heat insulation layer 42.

In the present embodiment, the heat insulation layer 42 can also reduce the influence of the first heat pipe 43 on the stirring motor 44 located below the bottom of the first groove 41, and prevent the stirring motor 44 from having an excessively high temperature and an abnormal circuit.

The heat insulation layer 42 is transparent to microwaves, and the heat insulation layer 42 is preferably made of mica. When the microwave oven is in operation, the microwave generated below the heat insulation layer 42 is radiated above the support plate 20 through the heat insulation layer 42, and the heat insulation layer 42 capable of penetrating the microwave ensures that the radiation amount of the microwave is not excessively weakened, thereby affecting the heating efficiency.

Referring to fig. 2 to 4, in another embodiment of the present invention, a second groove 46 is further disposed in the bottom electrical chamber 40 of the microwave oven, the second groove 46 extends from the inner wall of the bottom electrical chamber 40 and is formed by folding into a horizontal table 461 at the bottom, and the second groove 46 is disposed on a side of the first groove 41 away from the cooking cavity 30; a waveguide box 47 for conducting microwave is fixedly arranged on the horizontal table 461, the stirring motor 44 is fixed on the waveguide box 47, and the stirring motor 44 is arranged at a position that the rotating end of the stirring motor 44 is opposite to the through hole 413.

In the present embodiment, the microwave is generated below the second groove 46, the generated microwave is enclosed in a relatively closed space by the second groove 46 and the waveguide box 47, and the generated microwave can enter the stirring motor 44 and the microwave stirrer 45 only through a gap in the structure of the waveguide box 47 itself, so as to be uniformly radiated above the support plate 20 by the rotation of the microwave stirrer 45. In this case, the waveguide box 47 plays a role of guiding the microwave, and can ensure the efficiency of guiding the microwave to the maximum and prevent the microwave from leaking in other directions.

In the embodiment of the present invention, the position of the support plate 20 corresponding to the first heat-generating pipe 43 adopts the light-transmitting treatment, that is, the heat of the first heat-generating pipe 43 can be radiated above the support plate 20 through the light-transmitting position. Of course, it is also an alternative to provide the entire support plate 20 of an entirely light-transmitting material.

In this mode, the heat generated by the first heat-generating pipe 43 can be conducted into the cooking cavity 30 not only by conduction, but also by light radiation, so that the heat transfer rate and the heat utilization rate can be improved.

Referring to fig. 1, in other embodiments of the present invention, the microwave oven further includes a second heat generating tube 430 disposed at the top of the cooking cavity 30. The second heat generating pipe 430 has the same function as the first heat generating pipe 43, and radiates heat above the support plate 20. Preferably, two first heat-generating pipes 43 and two second heat-generating pipes 430 are provided, and are both disposed in the middle of the box 10, so as to ensure that heat radiation is uniformly distributed on the entire support plate 20 to the maximum extent.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A microwave oven with a barbecue function comprises a box body, a cooking cavity and a bottom electrical chamber, wherein the cooking cavity and the bottom electrical chamber are formed by a supporting plate after being separated in the box body; the heat insulation plate comprises a first groove and a second groove, wherein a heat insulation layer is arranged in the first groove, the edge of the heat insulation layer is abutted against the side wall of the first groove, and a first heating pipe is arranged between the heat insulation layer and the support plate, and the heat insulation layer is used for reducing the heat of the first heating pipe from being transferred towards the lower part of the heat insulation layer.

2. The microwave oven with a grill function according to claim 1, wherein the side wall of the first recess forms a first step and a second step while extending from the cooking chamber to the bottom of the first recess; the supporting plate is arranged on the first step; the heat insulation layer is arranged on the second step.

3. The microwave oven with barbecue function of claim 2, characterized in that a stirring motor is further arranged in the bottom electric chamber, and a microwave stirrer is fixedly connected with a rotating end of the stirring motor; the bottom of the first groove is provided with a through hole; the rotating end of the stirring motor extends into a space between the heat insulation layer and the bottom of the first groove through the through hole, and the microwave stirrer is positioned between the bottom of the first groove and the heat insulation layer.

4. The microwave oven with barbecue function of claim 3, wherein said heat insulation layer is penetrable by microwave, and said heat insulation layer is made of mica.

5. The microwave oven with barbecue function of claim 1, wherein said bottom electric chamber further has a second groove, said second groove extends from the inner wall of said bottom electric chamber and is formed by a horizontal table top folded at the bottom, said second groove is located at the side of said first groove far from the cooking cavity; and a waveguide box for generating microwave is fixedly arranged on the horizontal table-board.

6. The microwave oven with barbecue function of claim 3, wherein said bottom electric chamber further has a second groove, said second groove extends from the inner wall of said bottom electric chamber and is formed by a horizontal table top folded at the bottom, said second groove is located at the side of said first groove far from the cooking cavity; a waveguide box for conducting microwave is fixedly arranged on the horizontal table-board; the stirring motor is fixed on the waveguide box, and the installation position of the stirring motor enables the rotating end of the stirring motor to be opposite to the through hole.

7. The microwave oven with a grill function as claimed in claim 1, wherein the support plate is provided to be transparent to light corresponding to a position of the first heat-generating pipe, or the support plate is transparent to light as a whole.

8. The microwave oven with barbecue function of claim 1, wherein a control circuit module and a variable frequency power supply module are further arranged in said bottom electric chamber, and said control circuit module and said variable frequency power supply module are located below said first recess.

9. The microwave oven with a grill function according to claim 1, further comprising a second heat generating pipe provided at a top of the cooking chamber.

10. The microwave oven with a grill function according to claim 9, wherein there are two of the first heat generating pipe and the second heat generating pipe, and the first heat generating pipe and the second heat generating pipe are disposed at a middle portion of the cabinet.