CN210801293U

CN210801293U - Microwave oven with heating tube and air duct thereof

Info

Publication number: CN210801293U
Application number: CN201921365626.7U
Authority: CN
Inventors: 赖建; 李丰; 王权兵
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-06-19
Anticipated expiration: 2029-08-21

Abstract

The utility model provides a microwave oven with heating tube and wind channel thereof, including the box and the door body, be equipped with the cavity in the box, the box includes the top cap, the bottom, side cap and back lid, form the electric room between cavity lateral wall and the side cap, be equipped with magnetron and transformer in the electric room, the cavity roof is equipped with first air inlet mesh, first air inlet mesh top is equipped with heating tube and heating tube cover, space between cavity roof and the top cap and the electric room intercommunication of cavity side, heating tube cover periphery is equipped with the wind scooper, the wind scooper is equipped with the air inlet breach, the heating tube cover is equipped with second air inlet mesh, the back lid is equipped with third air inlet mesh, be equipped with the fan in the electric room. The utility model discloses a microwave oven blows the fan through the hot-blast direct direction heating tube of magnetron and transformer, blows into the cavity again behind the heating tube of flowing through, the heat that can make full use of magnetron and transformer distribute, simultaneously, the cold wind entry of lid behind the fan close proximity box can avoid setting up in the traditional art the fan between magnetron and heating tube to break down because of the high temperature.

Description

Microwave oven with heating tube and air duct thereof

Technical Field

The utility model relates to a microwave oven, in particular to a microwave oven with a heating tube and a wind channel thereof.

Background

In order to make up for the disadvantage, a microwave stirrer is generally arranged at the bottom of the cavity, so that the directional microwaves can be emitted towards four sides, and the heating surface of the food is improved.

However, the food still has many sides that absorb less microwave energy, resulting in uneven heating of the food. In order to solve the problem, chinese patent No. CN2670787 discloses a novel microwave oven in 1/12/2005, in which a heating tube is disposed on a top wall of a cavity, and the heating tube is used to compensate a top surface of a food which is difficult to absorb microwave energy, so as to improve uniformity and heating speed of the food to be heated, and a fan blowing toward the heating tube is further disposed to further improve uniformity of the food to be heated, so that heat of the heating tube can be rapidly and uniformly blown toward the food.

Adopt solitary fan to blow the heating tube in above-mentioned microwave oven, because motor one side intercommunication heating tube of fan, the magnetron of opposite side intercommunication high temperature, fan motor is at high temperature, operate in the fast-speed environment, appear the short-lived easily, abnormal sound scheduling problem, one but fan motor breaks down and the bring to rest, the heat of side heating tube can reverse flow direction magnetron, and then influence the life-span of magnetron, and the heating tube can be easily burnt out because of the bring to rest of fan, and simultaneously, adopt solitary fan to blow the heating tube, the cost can increase, control system is also more complicated.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microwave oven that has a heating tube and a wind channel with simple structure, high heating efficiency, few faults and strong practicability, so as to overcome the defects in the prior art.

According to a microwave oven with heating tube and wind channel thereof of this purpose design, including interconnect's the box and the door body, be equipped with the cavity in the box, the box includes top cap, bottom, side cap and hou gai, forms the electric room between cavity lateral wall and the side cap, is equipped with magnetron and transformer in the electric room, and the cavity roof is equipped with first air inlet mesh, and first air inlet mesh top is equipped with the heating tube and covers the electric room intercommunication at the heating tube outlying, space between cavity roof and the top cap and the electric room of cavity side, its characterized in that: the periphery of the heating pipe cover is covered with an air guide cover, one side of the air guide cover facing the electric room is provided with an air inlet notch, a second air inlet mesh is arranged at the position of the heating pipe cover corresponding to the air inlet notch, a third air inlet mesh is arranged at the position of the rear cover corresponding to the electric room, and a fan is arranged at the position adjacent to the third air inlet mesh in the electric room; when the microwave oven works, the wind blown out by the fan flows through the magnetron and the transformer in front, then flows upwards, flows into the heating pipe cover through the air inlet notch and the second air inlet mesh, and then flows into the cavity through the first air inlet mesh.

Heating tube cover and wind scooper all are located the cavity roof and lean on the back position, and the cavity front side is equipped with the cavity front bezel, is equipped with the top foxing between wind scooper and the cavity front bezel, and the one end of top foxing is connected in the opening border of air inlet breach, the cavity front bezel is pressed close to the other end to make the wind that electric room blown come get into in the air inlet breach, and then get into in the heating tube cover through the second air inlet mesh.

The top surrounding strip is obliquely arranged, the heating tube cover is rectangular, and a V-shaped included angle is formed between the top surrounding strip and the front edge of the heating tube cover.

The top surrounding strip top and the wind scooper top are parallel and level, the top surrounding strip top and the wind scooper top are provided with sealing strips, the sealing strips are V-shaped, the bottom of the sealing strips is attached to the top surrounding strip and the wind scooper, and the top of the sealing strips is attached to the top cover.

One end of the top surrounding strip is provided with an inserting strip, the position of the air guide cover corresponding to the inserting strip is provided with an inserting opening, and the inserting strip is inserted into the inserting opening.

And the second air inlet mesh is positioned on the front wall or the top wall of the heating pipe cover.

Be connected with the bottom foxing between bottom and the cavity diapire, the bottom foxing extends to the fore-and-aft direction to shelter from the inboard edge in bottom to the electric room.

The air-out mesh is arranged on one side wall of the cavity opposite to the electric room, and air flowing into the cavity through the first air-in mesh is discharged out of the cavity through the air-out mesh.

The magnetron and the transformer are both positioned in front of the fan, the magnetron is positioned above the fan in an inclined way, and the transformer is positioned below the fan in an inclined way.

The utility model discloses a microwave oven passes through pressure differential, blow the fan through the hot-blast direct direction heating tube of magnetron and transformer, blow into the cavity again after the heating tube flows through, the heat that can make full use of magnetron and transformer distribute, improve the power consumption efficiency, and simultaneously, the cold wind entry of lid behind the fan next-door neighbour box, can avoid setting up in the prior art fan between magnetron and heating tube to make fan motor trouble because of the high temperature, and then make the heat reverse flow direction magnetron of heating tube, influence the life-span of magnetron, avoid the heating tube to burn out simultaneously. The heating device has the characteristics of simple structure, high heating efficiency, few faults and strong practicability.

Drawings

Fig. 1 is a schematic view of an overall structure of a microwave oven according to an embodiment of the present invention.

Fig. 2 is a schematic view of an internal structure of a microwave oven according to an embodiment of the present invention.

Fig. 3 and 4 are exploded views illustrating different orientations of the microwave oven according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the microwave oven with the heating tube and the air channel thereof comprises a box body 1 and a door body 2 which are connected with each other, a cavity 3 is arranged in the box body 1, the box body 1 comprises a top cover 1.1, a bottom cover 1.4, a side cover 1.2 and a rear cover 1.3, an electric chamber 10 is formed between the side wall of the cavity 3 and the side cover 1.2, a magnetron 11 and a transformer 12 are arranged in the electric chamber 10, a first air inlet mesh 3.3 is arranged on the top wall of the cavity 3, the heating tube 8 and a heating tube cover 5 covering the periphery of the heating tube 8 are arranged above the first air inlet mesh 3.3, the space between the top wall of the cavity 3 and the top cover 1.1 is communicated with the electric chamber 10 on the side edge of the cavity 3, an air guide cover 4 is covered on the periphery of the heating tube cover 5, an air inlet gap 4.1 is arranged on one side of the air guide cover 4 facing the electric chamber 10, a second air inlet mesh 5.1 is arranged on the position of the heating tube cover 5, a fan 9 is arranged in the electric room 10 and adjacent to the third air inlet mesh 1.5; third air inlet mesh 1.5, electric room 10, the space between 3 roof of cavity and top cap 1.1, second air inlet mesh 5.1, heating tube cover 5, first air inlet mesh 3.3 and cavity 3 form the heating tube wind channel, microwave oven during operation, external cold wind gets into in electric room 10 from third air inlet mesh 1.5, blow off and flow through the magnetron 11 and the transformer 12 in the place ahead through fan 9, upwards flow again, get into the space between 3 roof of cavity and top cap 1.1, then flow into in heating tube cover 5 through air inlet breach 4.1 and second air inlet mesh 5.1, rethread first air inlet mesh 3.3 flows into in the cavity 3, just so can blow in the heat of heating tube 8 in the cavity 3 and carry out the auxiliary heating to food. This microwave oven, through pressure difference, blow fan 9 through magnetron 11 and transformer 12's hot-blast direct guidance heating tube 8, blow into cavity 3 behind the heating tube 8 again of flowing through, the heat that can make full use of magnetron 11 and transformer 12 give off, the power consumption efficiency is improved, and simultaneously, cover 1.3's cold wind entry behind fan 9 next-door neighbour box 1, can avoid setting up the fan between magnetron and heating tube in the conventional art and make fan motor trouble because of the high temperature, and then make the reverse flow direction magnetron of heat of heating tube, influence the life-span of magnetron, avoid the heating tube to burn out simultaneously.

Heating tube cover 5 and wind scooper 4 all are located 3 roof of cavity and lean on the back position, 3 front sides of cavity are equipped with cavity front bezel 3.1, be equipped with top foxing 6 between wind scooper 4 and the cavity front bezel 3.1, the one end of top foxing 6 is connected in the opening border of air inlet breach 4.1, cavity front bezel 3.1 is pressed close to the other end, so that the wind that electric room 10 blown over can get into in air inlet breach 4.1, and then get into in the heating tube cover 5 through second air inlet mesh 5.1.

The top surrounding strip 6 is obliquely arranged, the heating tube cover 5 is rectangular, and the top surrounding strip 6 and the front edge of the heating tube cover 5 form a V-shaped included angle so as to achieve a better air guide effect.

Top foxing 6 tops and 4 top parallel and level of wind scooper, 6 tops of top foxing are equipped with sealing strip 7 with 4 tops of wind scooper, and sealing strip 7 is "V" font, and the sealing strip 7 of "V" font is the wind-guiding more easily, and the bottom and the top foxing 6 of sealing strip 7, the laminating of wind scooper 4, the top and the top cap 1.1 laminating of sealing strip 7 reach the sealed effect of ideal.

One end of the top surrounding strip 6 is provided with an inserting strip 6.1, a position of the wind scooper 4 corresponding to the inserting strip 6.1 is provided with an inserting port 4.2, and the inserting strip 6.1 is inserted into the inserting port 4.2, so that the top surrounding strip 6 is connected with the wind scooper 4.

The second air inlet mesh 5.1 is positioned on the front wall or the top wall of the heating tube cover 5.

Be connected with bottom foxing 13 between bottom 1.4 and the cavity diapire, bottom foxing 13 extends to the fore-and-aft direction to shelter from the inboard edge in bottom to electric room 10, reach sealed effect.

The cavity 3 is equipped with air-out mesh 3.2 on the lateral wall that the electric room 10 is relative, and the wind that flows into in the cavity 3 through first air-out mesh 3.3 is finally discharged outside cavity 3 through air-out mesh 3.2.

The magnetron 11 and the transformer 12 are both located in front of the fan 9, the magnetron 11 being located obliquely above the fan 9, and the transformer 12 being located obliquely below the fan 9.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a microwave oven with heating tube and wind channel thereof, box (1) and door body (2) including interconnect, be equipped with cavity (3) in box (1), box (1) includes top cap (1.1), bottom (1.4), side cap (1.2) and back lid (1.3), form electric room (10) between cavity (3) lateral wall and side cap (1.2), be equipped with magnetron (11) and transformer (12) in electric room (10), cavity (3) roof is equipped with first air inlet mesh (3.3), first air inlet mesh (3.3) top is equipped with heating tube (8) and covers and establishes at heating tube (8) outlying heating tube cover (5), space between cavity (3) roof and top cap (1.1) and electric room (10) intercommunication of cavity (3) side, its characterized in that: the heating tube cover (5) is covered with an air guide cover (4) at the periphery, one side of the air guide cover (4) facing the electric room (10) is provided with an air inlet notch (4.1), the heating tube cover (5) is provided with a second air inlet mesh (5.1) corresponding to the air inlet notch (4.1), the rear cover (1.3) is provided with a third air inlet mesh (1.5) corresponding to the electric room (10), and a fan (9) is arranged in the electric room (10) and close to the third air inlet mesh (1.5); when the microwave oven works, wind blown out by the fan (9) flows forwards through the magnetron (11) and the transformer (12), then flows upwards, flows into the heating tube cover (5) through the air inlet notch (4.1) and the second air inlet mesh (5.1), and then flows into the cavity (3) through the first air inlet mesh (3.3).

2. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 1, wherein: heating tube cover (5) and wind scooper (4) all are located cavity (3) roof and lean on the back position, cavity (3) front side is equipped with cavity front bezel (3.1), be equipped with between wind scooper (4) and cavity front bezel (3.1) top foxing (6), the one end of top foxing (6) is connected in the opening border of air inlet breach (4.1), cavity front bezel (3.1) is pressed close to the other end to make electric room (10) blow the wind that comes and get into in air inlet breach (4.1), and then get into in heating tube cover (5) through second air inlet mesh (5.1).

3. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 2, wherein: the top surrounding strip (6) is obliquely arranged, the heating tube cover (5) is rectangular, and a V-shaped included angle is formed between the top surrounding strip (6) and the front edge of the heating tube cover (5).

4. A microwave oven having a heat generating tube and an air duct thereof as set forth in claim 3, wherein: the top of the top enclosing strip (6) is flush with the top of the wind guide cover (4), the top of the top enclosing strip (6) is provided with a sealing strip (7) with the top of the wind guide cover (4), the sealing strip (7) is V-shaped, the bottom of the sealing strip (7) is attached to the top enclosing strip (6) and the wind guide cover (4), and the top of the sealing strip (7) is attached to the top cover (1.1).

5. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 4, wherein: one end of the top surrounding strip (6) is provided with an inserting strip (6.1), a position, corresponding to the inserting strip (6.1), of the wind scooper (4) is provided with an inserting port (4.2), and the inserting strip (6.1) is inserted into the inserting port (4.2).

6. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 5, wherein: and the second air inlet mesh holes (5.1) are positioned on the front wall or the top wall of the heating tube cover (5).

7. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 1, wherein: be connected with bottom foxing (13) between bottom (1.4) and the cavity diapire, bottom foxing (13) extend to the fore-and-aft direction to shelter from the inboard edge in bottom to electric room (10).

8. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 1, wherein: be equipped with air-out mesh (3.2) on the opposite lateral wall of cavity (3) and electric room (10), the wind that flows into in cavity (3) through first air-in mesh (3.3) is finally discharged outside cavity (3) through air-out mesh (3.2).

9. The microwave oven having the heat generating tube and the duct thereof as claimed in claim 1, wherein: the magnetron (11) and the transformer (12) are both positioned in front of the fan (9), the magnetron (11) is positioned obliquely above the fan (9), and the transformer (12) is positioned obliquely below the fan (9).