CN101749760B

CN101749760B - Waveguide component installation structure of microwave oven

Info

Publication number: CN101749760B
Application number: CN2010101167314A
Authority: CN
Inventors: 谭德强; 王守国; 区宗尹
Original assignee: Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Current assignee: Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Priority date: 2010-02-23
Filing date: 2010-02-23
Publication date: 2011-05-04
Anticipated expiration: 2030-02-23
Also published as: WO2011103796A1; CN101749760A

Abstract

A waveguide assembly installation structure for a microwave oven, including a furnace base, a cover plate and a microwave generating unit arranged in the furnace base, the microwave generating unit includes a waveguide assembly, a magnetron and electrical components, and the upper part of the furnace base is provided with a microwave shielding Cover, the microwave shielding cover is hinged with the furnace seat, the waveguide assembly is arranged on the lower part of the cover plate, and the waveguide assembly is eccentrically arranged; the waveguide assembly includes a waveguide box and a bracket, the waveguide box is trapezoidal with a wide top and a narrow bottom, and the waveguide The upper opening of the box is radially arranged at the bottom of the cover plate. A baffle is provided at the position where the opening of the waveguide box is connected to the cover plate. In the present invention, the waveguide assembly and the magnetron are horizontally arranged to reduce the height of the bottom of the cavity and make the appearance of the microwave oven more compact and beautiful; the trapezoidal structure of the waveguide box makes better use of the space at the bottom of the microwave cavity, and avoids occupying an excessively large area; It is beneficial for the microwave to be more evenly distributed in the cavity, so that the food is heated more evenly.

Description

The Waveguide component installation structure of micro-wave oven

Technical field

The present invention relates to the Waveguide component installation structure of a kind of micro-wave oven, particularly a kind of micro-wave oven.

Background technology

The waveguide assemblies of at present common square body micro-wave oven is arranged on a side of furnace chamber, after the wave guide box conduction of the microwave of magnetron emission through being connected cavity sidepiece microwave exit, enters in the culinary art cavity, and food is heated.

In Chinese patent literature CN101493235A, our company discloses a kind of micro-wave oven on July 29th, 2009, comprise stove seat, microwave generating unit and cooking cavity, its cooking cavity constitutes by being arranged on the cavity that supporting device on the stove seat and micro-wave screening cover surround, and the micro-wave screening cover can be opened or be fastened with respect to stove seat and/or supporting device.Supporting device comprises the bell that is arranged on above the stove seat, and bell is tabular, plate-like or pot shape, and surperficial corresponding microwave emitting area is provided with microwave and passes the hole.It directly is made of supporting device that bears food and micro-wave screening cover, the below is provided with the stove seat of microwave generating unit in being, the microwave that the microwave generating unit produces is emitted to cooking cavity from the bottom up, to object heating in the cooking cavity, has broken through the design of traditional micro-wave oven.In addition, the food of heating is placed on from the top on the support plate of supporting device, and is easy to operate, easily cleaning.It is simple and reasonable, production and processing is easy, efficiency of heating surface height, and floor space is little.But because the shape and the structure uniqueness of the type micro-wave oven, above-mentioned waveguide assemblies set-up mode is not suitable for the micro-wave oven of other shapes, as hemispheric micro-wave oven.The microwave launching effect of common wave guide box can not reach optimum efficiency; Therefore, be necessary to be further improved and perfect.

Summary of the invention

Purpose of the present invention aims to provide a kind of simple and reasonable, low cost of manufacture, and the Waveguide component installation structure of attractive in appearance, micro-wave oven that the microwave launching effect is good elegant in shape is to overcome weak point of the prior art.

A kind of body by this purpose design, comprise the stove seat, with the cover plate and the microwave generating unit that are arranged in the stove seat, the microwave generating unit includes waveguide assemblies, magnetron and electric elements, the top of stove seat is provided with the micro-wave screening cover, micro-wave screening cover and stove seat are hinged, and its architectural feature is the bottom that described waveguide assemblies is arranged at cover plate, and waveguide assemblies is set for the eccentric; Waveguide assemblies comprises wave guide box and support, and it is wide at the top and narrow at the bottom trapezoidal that described wave guide box is, and the upper opening of wave guide box is disposed radially in the cover plate bottom.

Described wave guide box is the inclined-plane along the two sides that cover plate circumferentially is provided with, wherein near close cover plate center, the circumferential ramps top of cover plate central side.

Described support is fixedly set in a side of wave guide box, and magnetron is installed on the support.

Described support and wave guide box are fixed in the bottom of cover plate by the mode of securing member or welding.

Described wave guide box and support and magnetron are horizontally disposed with, and the corresponding position of wave guide box and support is provided with the microwave through hole.

The utlity model has following beneficial effect:

1. waveguide assemblies and magnetron horizontally set help reducing the height of cavity bottom, make the micro-wave oven outward appearance more exquisite attractive in appearance.

2. the trapezium structure of wave guide box can better utilization microwave oven cavity bottom space, and avoids taking large tracts of land.

3. wave guide box inside is provided with inclined-plane and the projection towards the cover plate center, helps microwave and more is evenly distributed in the cavity, makes heating food more even.

Description of drawings

Fig. 1 is an embodiment decomposition texture schematic diagram of the present utility model.

Fig. 2 is the plan structure schematic diagram after Fig. 1 assembling.

Fig. 3 is the waveguide assemblies perspective view.

Fig. 4 is the perspective view that present embodiment and micro-wave oven assembling are closed.

Among the figure: 1 is the stove seat, and 2 is the micro-wave screening cover, and 3 is cover plate, and 3.1 is fixing hole, and 3.2 are the microwave outlet, and 3.3 is through hole, 4 is wave guide box, and 4.1 is circumferential ramps, and 4.2 is opening, and 4.3 is flange, and 4.4 is installing hole, 4.5 be projection, 4.6 is trip, 5 is support, and 5.1 is the microwave through hole, and 6 is baffle plate.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Referring to Fig. 1-4, the Waveguide component installation structure of this micro-wave oven, comprise stove seat 1, with the cover plate 3 and the microwave generating unit that are arranged in the stove seat, the microwave generating unit includes waveguide assemblies, magnetron and electric elements, the top of stove seat 1 is provided with micro-wave screening cover 2, and micro-wave screening cover and stove seat 1 are hinged, and micro-wave screening cover 2 and cover plate 3 form cooking cavity; Described waveguide assemblies is arranged at the bottom of cover plate 3, and waveguide assemblies is set for the eccentric, and waveguide assemblies comprises wave guide box 4 and support 5.

It is wide at the top and narrow at the bottom trapezoidal that wave guide box 4 is, the top of wave guide box 4 is provided with opening 4.2, forms a trapezoidal guided wave space, and opening is trapezoidal setting, circular area that not only can better utilization cover plate 3, and conduct the inner space that the microwave that can be evenly distributed on cooking cavity.Opening 4.2 position that links to each other with cover plate 3 is provided with baffle plate 6, and baffle plate is fixedlyed connected with wave guide box 4 logical screws, and baffle plate 6 can avoid impurity to enter wave guide box 4 inside.

The periphery of opening 4.2 is provided with flange 4.3, and flange is provided with installing hole 4.4, and cover plate 3 is provided with and corresponding microwave outlet 3.2 of the upper opening shape of wave guide box 4 and through hole 3.3.Play the effect of welding location on the one hand, can be used as the fixing hole of baffle plate 6 on the other hand.Wave guide box is the inclined-plane along the two sides that cover plate circumferentially is provided with, and wherein near close cover plate center, circumferential ramps 4.1 tops of cover plate central side, cover plate 3 central position are provided with fixing hole 3.1.Its purpose is: can avoid too much taking simultaneously the inner space of stove seat 1 at utmost to cooking cavity middle part launched microwave.Wave guide box 4 inwalls are provided with projection 4.5, and its effect also is to be evenly distributed in the cavity for the microwave that makes conduction.

Support 5 is the firm type of groove, and support 5 is arranged at the front of wave guide box 4, and wave guide box is provided with trip 4.6, support 5 corresponding positions are provided with draw-in groove, and support and wave guide box fasten mutually, play positioning action, support 5 and the mode of wave guide box 4, be fixed in the bottom of cover plate 3 then by welding.Magnetron laterally is installed on the support 5, and support is provided with screw, and magnetron is fixedlyed connected by screw with support; Wave guide box 4 and support 5 are provided with microwave through hole 3.3 with the magnetron corresponding position, magnetron antenna passes the microwave through hole 5.1 on support 5 and the wave guide box 4 respectively, magnetron antenna is to wave guide box 4 launched microwaves, diffuses to uniformly in the cavity through the internal reflection of wave guide box 4, and cooking food is treated in heating.Magnetron is horizontally set on wave guide box 4 next doors, can at utmost reduce the space of cavity bottom, makes the micro-wave oven outward appearance more exquisite attractive in appearance.

Claims

1. A waveguide assembly installation structure of a microwave oven, comprising a furnace base (1), and a cover plate (3) and a microwave generating unit arranged in the furnace base, the microwave generating unit comprising a waveguide assembly, a magnetron and electrical components, The upper part of the furnace base is provided with a microwave shielding cover (2), and the microwave shielding cover is hinged with the furnace base. It is characterized in that the waveguide assembly is arranged on the lower part of the cover plate, and the waveguide assembly is eccentrically arranged; the waveguide assembly includes a waveguide box (4 ) and a bracket (5), the waveguide box is trapezoidal with a wide top and a narrow bottom, and the upper opening (4.2) of the waveguide box is arranged radially at the bottom of the cover plate.

2. The waveguide component installation structure of the microwave oven according to claim 1, characterized in that a baffle (6) is provided at the position where the opening (4.2) of the waveguide box (4) is connected to the cover plate (3).

3. The waveguide component installation structure of the microwave oven according to claim 1 or 2, characterized in that the two sides of the waveguide box (4) arranged along the circumferential direction of the cover plate (3) are sloped surfaces, wherein the circumference near the center of the cover plate Towards the top of the bevel (4.1) close to the center of the cover.

4. The waveguide component installation structure of the microwave oven according to claim 3, characterized in that the bracket (5) is fixedly arranged on one side of the waveguide box (4), and the magnetron is mounted on the bracket.

5. The waveguide component installation structure of the microwave oven according to claim 4, characterized in that the bracket (5) and the waveguide box (4) are fixed to the bottom of the cover plate (3) by means of fasteners or welding.

6. The waveguide component installation structure of the microwave oven according to claim 5, characterized in that the waveguide box (4) and the bracket (5) are arranged horizontally with the magnetron, and the corresponding positions of the waveguide box (4) and the bracket are provided with Microwave vias (5.1).