CN215570642U

CN215570642U - Novel circulating air duct type microwave oven

Info

Publication number: CN215570642U
Application number: CN202120928594.8U
Authority: CN
Inventors: 罗剑豪; 吴远兴; 青健; 赖常云
Original assignee: Zhongshan Donlim Weili Electrical Equipment Co Ltd
Current assignee: Guangdong Weili Electric Appliance Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-18
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a novel circulating air duct type microwave oven, which comprises a shell and circuit electronic devices, wherein the shell is divided by a U-shaped plate to form a food cooking oven chamber and an electric appliance chamber provided with the circuit electronic devices of the microwave oven; the shell comprises a bottom plate, an outer rear plate, a door body assembly and a U-shaped plate, wherein a furnace chamber and an electric appliance chamber are respectively arranged on two sides of the U-shaped plate; the electric appliance chamber is provided with a fan assembly, and a circulating air channel is formed among the furnace chamber, the electric appliance chamber, the furnace chamber air inlet hole and the furnace chamber air outlet hole under the driving of the fan assembly. The microwave oven with the novel circulated air duct system is used, after normal cooking, the accumulated water in the oven cavity is less, the cleaning workload of the oven cavity is less, and the short circuit and electric shock of an electric appliance are reduced; the water vapor discharge amount in the furnace chamber is large, and the problem of rusting of the furnace chamber is reduced; the surface humidity of the food is reduced, the surface of the food is uniformly heated, and the food cooking effect is good.

Description

Novel circulating air duct type microwave oven

Technical Field

The utility model relates to the technical field of household appliances, in particular to a novel circulating air duct type microwave oven.

Background

The microwave oven is a common household appliance, and mainly utilizes the microwave heating principle to heat and cook the real object in the oven cavity, and the conventional microwave oven usually adopts a one-way air duct system. The microwave oven with the one-way air duct system has the following disadvantages and shortcomings in practical application:

1. the microwave oven that the one-way air duct system was used to the tradition, normally boils to eat, and the vapor discharge volume is few in the furnace chamber, leads to the furnace chamber ponding too much, and the furnace chamber condition of rustting appears easily in long-term work, and the product is scrapped and can't be used.

2. In the traditional microwave oven using the one-way air duct system, only partial area in the oven cavity is acted by the air duct system during normal cooking, the cooking effect of food is influenced by excessive water vapor in other areas, and the cooking uniformity of the product is poor.

3. In the traditional microwave oven using the one-way air duct system, after normal cooking, the water accumulation in the oven cavity is too much, the cleaning workload of the oven cavity is large, and the accumulated water can permeate into electrical components under the condition of untimely cleaning, so that short circuit and even electric shock can be caused;

4. in the traditional microwave oven using the one-way air duct system, in the process of roasting and cooking, because the one-way ventilation system only ventilates in partial areas in the oven cavity, the heat radiation heat on the areas is taken away, so that the surface of food is unevenly heated, and the food cooking effect is influenced.

Disclosure of Invention

The present invention provides a novel circulating air duct type microwave oven, which aims at the problems existing in the background and the prior art method. The technical scheme of the utility model is as follows:

a novel circulating air duct type microwave oven comprises a shell and circuit electronic devices, wherein the shell is divided by a U-shaped plate to form an oven cavity for cooking food and an electric appliance chamber for installing the circuit electronic devices of the microwave oven, and the circuit electronic devices are installed in the electric appliance chamber; the shell comprises a bottom plate, an outer rear plate, a door body assembly and the U-shaped plate, the furnace chamber and the electric appliance chamber are respectively arranged on two sides of the U-shaped plate, a furnace chamber air inlet hole and a furnace chamber air outlet hole are formed in the U-shaped plate, and the furnace chamber air inlet hole and the furnace chamber air outlet hole are respectively communicated with the furnace chamber and the electric appliance chamber; the electric appliance chamber is provided with a fan assembly, and a circulating air channel is formed among the furnace chamber, the electric appliance chamber, a furnace chamber air inlet hole and a furnace chamber air outlet hole under the driving of the fan assembly.

As a further description of the present invention, the cavity air inlet hole and the cavity air outlet hole are provided at separate positions on the U-shaped plate.

Furthermore, the oven cavity air inlet hole is arranged on the front part of the U-shaped plate, and the oven cavity air outlet hole is arranged on the rear part of the U-shaped plate.

Furthermore, the fan assembly is arranged on the outer rear plate of the shell and corresponds to the oven cavity air outlet on the U-shaped plate in position.

Furthermore, a gap with a certain width is formed between the fan assembly and the outer rear plate, and the rotating position of the fan blades of the fan assembly is positioned in front of the air outlet hole of the furnace chamber, so that the gap at the rear part of the fan assembly forms the air inlet end of the circulating air duct.

Furthermore, an air inlet grille is arranged on the outer back plate corresponding to the fan assembly and used for introducing outside air.

Furthermore, a furnace lamp shade assembly and a magnetron are arranged on the U-shaped plate between the furnace chamber air inlet hole and the furnace chamber air outlet hole, an air guide opening is arranged on the lamp shade assembly, the position of the air guide opening corresponds to the furnace chamber air inlet hole on the U-shaped plate, and air is guided into the furnace chamber from the furnace chamber air inlet hole through the furnace lamp shade assembly.

Furthermore, the aperture of the oven cavity air inlet hole is smaller than that of the oven cavity air outlet hole.

The utility model has the beneficial effects that:

the microwave oven with the novel circulated air duct system is used, after normal cooking, the accumulated water in the oven cavity is less, the cleaning workload of the oven cavity is less, and the short circuit and electric shock of an electric appliance are reduced; when the novel microwave oven with the circulating air duct system is used, the steam discharge amount in the oven cavity is large, the accumulated water in the oven cavity is reduced, and the problem of rusting of the oven cavity is reduced; when the novel microwave oven with the circulating air duct system is used, the steam discharge amount in the oven cavity is large, the steam in the oven cavity is reduced, the surface humidity of food is reduced, and the food cooking effect is improved; when the novel microwave oven with the circulating air duct system is used, most of the area in the oven cavity is acted by the air duct system in a barbecue mode, the surface of food is uniformly heated, and the food cooking effect is good.

Drawings

FIG. 1 is an overall structure diagram of the novel circulating air duct type microwave oven of the present invention;

FIG. 2 is a schematic view of a partial structure of the novel circulating duct type microwave oven according to the present invention;

FIG. 3 is a schematic view of the air channel circulation of the novel circulating air channel type microwave oven according to the present invention;

fig. 4 is a schematic view of a duct path of a microwave oven with a conventional one-way duct system.

Reference numerals: the oven comprises an oven chamber 1, an oven lamp shade assembly 2, a magnetron 3, a bottom plate 4, a fan assembly 5, an outer rear plate 6, a door body assembly 7, an oven chamber air inlet hole 8, an oven chamber air outlet hole 9 and a U-shaped plate 10.

Detailed Description

Example (b):

the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely a part of the embodiments of the utility model, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a novel circulating duct type microwave oven includes a housing, which is partitioned by a U-shaped plate 10 to form a cavity 1 for cooking food and an appliance room in which circuit electronics of the microwave oven are installed, and circuit electronics are installed in the appliance room. The embodiment specifically comprises a furnace chamber 1, a furnace lamp shade assembly 2, a magnetron 3, a bottom plate 4, a fan assembly 5, an outer rear plate 6, a door body assembly 7, a furnace chamber air inlet hole 8, a furnace chamber air outlet hole 9 and a U-shaped plate 10. The oven lamp shade assembly 2 is installed in front of the magnetron 3, the magnetron 3 is installed on the right side of the oven cavity 1, the bottom plate 4 is fixed below the oven cavity 1, the fan support 5 is fixed above the inner side of the outer rear plate 6, the outer rear plate 6 is installed behind the oven cavity 1, the door body assembly 7 is installed in front of the oven cavity 1, the oven cavity air inlet hole 8 and the oven cavity air outlet hole 9 are respectively arranged on two sides of the U-shaped plate 10, specifically, the oven cavity air inlet hole 8 is designed in front of the right side of the oven cavity 1, and the oven cavity air outlet hole 9 is designed behind the right side of the oven cavity 1.

The main working principle of the system with the circulating air duct of the utility model is shown in figure 3:

the microwave oven is powered on, the microwave oven is normally started after a user selects a menu, fan blades in the fan assembly 5 rotate to suck outside air into the microwave oven from an air inlet grille of the outer back plate 6, most of the outside air is conveyed into the magnetron 3, then the oven lamp shade assembly 2 guides the inlet air into the oven cavity 1 from the oven cavity air inlet 8, the air flow enters the oven cavity 1 and is blocked by the door body assembly 7 and then only moves in the oven cavity 1, at the moment, the fan assembly 5 sucks air all the time, the air flow in the oven cavity 1 is drawn to be exhausted from the oven cavity air outlet 9, and the fan assembly guides the air flow into the magnetron to form a circulating ventilation effect.

The microwave oven with the circulating air duct system uses a novel circulating air duct system: when the machine can not only lead in the outside air, can also lead in the air current suction of entering the furnace chamber to the furnace chamber through fan assembly circulated ventilation once more outside through novel furnace chamber structure (design inlet port in furnace chamber the place ahead, design venthole behind the furnace chamber) and novel fan assembly structure (flabellum rotational position places in furnace chamber venthole the place ahead), solve the technical problem of the one-way air duct system of traditional microwave oven, improve technological effect. The one-way air duct system of the conventional microwave oven is shown in fig. 4: the single air current direction can only advance to the right and go out from left, carries the too much problem of furnace chamber ponding that wind-force is not enough to cause and has avoided subsequent furnace chamber to rust even because of the electric shock condition that ponding too much leads to takes place. The microwave oven of the embodiment can ensure that airflow is ventilated in most areas in the oven cavity in the barbecue mode, so that the surface of food is uniformly heated, and the food cooking effect is improved.

The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be construed as limiting the claims. The utility model is not limited to the above embodiments, the specific construction of which allows variations, and in any case variations, which are within the scope of the utility model as defined in the independent claims.

Claims

1. A novel circulating air duct type microwave oven comprises a shell and circuit electronic devices, wherein the shell is divided by a U-shaped plate (10) to form an oven cavity (1) for cooking food and an electric appliance chamber for installing the circuit electronic devices of the microwave oven, and the circuit electronic devices are installed in the electric appliance chamber; the casing include bottom plate (4), outer back plate (6), door body group spare (7) and U-shaped plate (10), the both sides of U-shaped plate (10) do respectively furnace chamber (1) and electrical apparatus room, its characterized in that: the U-shaped plate (10) is provided with a furnace chamber air inlet hole (8) and a furnace chamber air outlet hole (9), and the furnace chamber air inlet hole (8) and the furnace chamber air outlet hole (9) are respectively communicated with the furnace chamber (1) and an electric appliance chamber; the electric appliance room is provided with a fan assembly (5), and a circulating air channel is formed among the furnace chamber (1), the electric appliance room, a furnace chamber air inlet hole (8) and a furnace chamber air outlet hole (9) under the drive of the fan assembly (5).

2. The novel circulating duct type microwave oven according to claim 1, wherein: the oven cavity air inlet hole (8) and the oven cavity air outlet hole (9) are arranged on the U-shaped plate (10) in a separated position.

3. The novel circulating duct type microwave oven according to claim 2, wherein: the oven cavity air inlet hole (8) is formed in the front portion of the U-shaped plate (10), and the oven cavity air outlet hole (9) is formed in the rear portion of the U-shaped plate (10).

4. The novel circulating duct type microwave oven according to claim 2 or 3, wherein: the fan assembly (5) is arranged on the outer rear plate (6) of the shell, and the position of the fan assembly corresponds to the oven cavity air outlet (9) on the U-shaped plate (10).

5. The novel circulating duct type microwave oven according to claim 4, wherein: fan assembly (5) with be certain width clearance setting between outer back plate (6), the flabellum rotational position of fan assembly (5) is located furnace chamber exhaust vent (9) the place ahead, makes the clearance at its rear form circulating air duct's air inlet end.

6. The novel circulating duct type microwave oven according to claim 4, wherein: and an air inlet grille is also arranged on the outer rear plate (6) corresponding to the fan component (5) and used for leading in external air.

7. The novel circulating duct type microwave oven according to claim 4, wherein: the utility model discloses a stove, including U-shaped plate (10) between furnace chamber inlet air hole (8) and furnace chamber exhaust vent (9), set up stove lamp shade subassembly (2) and magnetron (3) on U-shaped plate (10), be equipped with the air guide mouth on the lamp shade subassembly 2, the position of air guide mouth corresponds to furnace chamber inlet air hole (8) on U-shaped plate (10), lead in the air from furnace chamber inlet port 8 into in furnace chamber (1) through stove lamp shade subassembly (2).

8. The novel circulating duct type microwave oven according to claim 4, wherein: the aperture of the oven cavity air inlet hole (8) is smaller than that of the oven cavity air outlet hole (9).