CN215675333U - Microwave oven heat dissipation air duct structure - Google Patents

Microwave oven heat dissipation air duct structure Download PDF

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Publication number
CN215675333U
CN215675333U CN202122408018.3U CN202122408018U CN215675333U CN 215675333 U CN215675333 U CN 215675333U CN 202122408018 U CN202122408018 U CN 202122408018U CN 215675333 U CN215675333 U CN 215675333U
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box
air
air outlet
cavity
heating cavity
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CN202122408018.3U
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Chinese (zh)
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苏仲洪
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Foshan Yuda Kitchen Electric Appliance Technology Co ltd
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Foshan Yuda Kitchen Electric Appliance Technology Co ltd
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Abstract

The utility model relates to the technical field of microwave oven heat dissipation, in particular to a microwave oven heat dissipation air duct structure, which comprises a microwave oven box body, wherein a containing cavity used for installing a variable frequency power supply and a magnetron and a heating cavity used for cooking food are arranged in the microwave oven box body, and a first air duct structure used for the variable frequency power supply to dissipate heat and a second air duct structure used for the magnetron to dissipate heat are arranged in the microwave oven box body. By adopting the structure, the heat generated by the variable frequency power supply can be effectively dissipated through the first air channel structure for dissipating heat of the variable frequency power supply, the heat generated by the magnetron can be effectively dissipated through the second air channel structure for dissipating heat of the magnetron, the heat is guided into the heating cavity to assist in heating food, the heating efficiency is improved, and the heat dissipation effect of the magnetron is obvious.

Description

Microwave oven heat dissipation air duct structure
Technical Field
The utility model relates to the technical field of microwave oven heat dissipation, in particular to a microwave oven heat dissipation air duct structure.
Background
The microwave oven belongs to a cooking utensil in a household appliance, because a variable frequency power supply and a magnetron in the microwave oven can generate a large amount of heat in work, the microwave oven needs to be provided with a heat dissipation structure, and the heat dissipation structure of the microwave oven on the market is used for cooling and dissipating the variable frequency power supply and the magnetron by arranging an exhaust fan at the back to suck cold air into the box body, but the heat dissipation structure does not have closed air guide, has poor heat dissipation effect and influences the work efficiency of the microwave oven. Therefore, there is a need for improvements in the prior art.
Disclosure of Invention
Aiming at the problems, the utility model provides a radiating air duct structure of a microwave oven, which effectively solves the defects of the prior art.
In order to achieve the purpose, the technical scheme applied by the utility model is as follows:
a radiating air channel structure of a microwave oven comprises a microwave oven box body, wherein a containing cavity used for installing a variable frequency power supply and a magnetron and a heating cavity used for cooking food are arranged in the microwave oven box body, and a first air channel structure used for radiating the variable frequency power supply and a second air channel structure used for radiating the magnetron are arranged in the microwave oven box body.
According to the scheme, one air channel structure comprises a cold air inlet, a first fan and a first air outlet, the cold air inlet is arranged on a base below a front box door of a microwave oven box body and communicated with a containing cavity, the first air outlet is arranged on a first tail wall behind the containing cavity and communicated with the containing cavity, a variable frequency power supply is loaded through a first closed metal plate box and fixed in the containing cavity, the first fan is arranged at an air inlet end of the first closed metal plate box, and an air outlet end of the first closed metal plate box is communicated with the first air outlet.
According to the scheme, the air outlet is correspondingly provided with the variable frequency power supply air outlet air guide box, and the air outlet of the variable frequency power supply air outlet air guide box is arranged downwards.
According to the scheme, the air outlet end of the first closed type metal plate box is connected with the first air outlet in a closed type.
According to the above scheme, wind channel structure two includes the cold wind air intake, fan two, heating cavity air intake and heating cavity air outlet, the cold wind air intake is located on the preceding chamber door below of microwave oven box base, and communicate in holding the cavity, the heating cavity air intake is located on holding the baffle between cavity and the heating cavity, and communicate respectively in holding cavity and heating cavity, the heating cavity air outlet is located on the tail wall two of heating cavity, and communicate in the heating cavity, the magnetron loads through closed panel beating box two, and be fixed in and hold the cavity, fan two is installed in the air inlet end of closed panel beating box two, the air-out end of closed panel beating box two communicates in the heating cavity air intake.
According to the scheme, the heating cavity air outlet is correspondingly provided with the heating cavity air outlet air guide box, and the air outlet of the heating cavity air outlet air guide box is arranged downwards.
According to the scheme, a front air guide box is arranged between the air inlet end of the closed metal plate box II and the fan II, and a rear air guide box and an upper air guide box are arranged between the air outlet end of the closed metal plate box II and the air inlet of the heating cavity.
According to the scheme, the shell of the second fan is connected with the front air guide box in a closed mode, one end of the rear air guide box is connected with the air outlet end of the closed metal plate box II in a closed mode, the other end of the rear air guide box is connected with the upper air guide box in a closed mode, and the upper air guide box is connected with the air inlet of the heating cavity in a closed mode.
According to the scheme, a filter screen is arranged in the cold air inlet (2).
The utility model has the beneficial effects that:
by adopting the structure, the heat generated by the variable frequency power supply can be effectively dissipated through the first air channel structure for dissipating heat of the variable frequency power supply, the heat generated by the magnetron can be effectively dissipated through the second air channel structure for dissipating heat of the magnetron, the heat is guided into the heating cavity to assist in heating food, the heating efficiency is improved, and the heat dissipation effect of the magnetron is obvious.
Drawings
FIG. 1 is an overall schematic view of a microwave oven according to the present invention;
FIG. 2 is a schematic view of a containment chamber of the present invention;
FIG. 3 is a schematic view of a second air duct structure according to the present invention;
FIG. 4 is a schematic view of an air inlet of the heating chamber of the present invention;
FIG. 5 is a schematic view of the outlet of the heating chamber of the present invention;
FIG. 6 is a schematic view of an air guiding box at an air outlet of a heating cavity and an air guiding box at an air outlet of a variable frequency power supply according to the present invention;
fig. 7 is a working principle diagram of the air duct structure of the utility model.
1. A microwave oven box body; 2. a cold air inlet; 3. a variable frequency power supply; 4. a magnetron; 5. a first fan; 6. a second fan; 7. a front wind guiding box; 8. a rear wind guide box; 9. an upper wind guiding box; 10. heating the air inlet of the cavity; 11. heating the air outlet of the cavity; 12. heating the cavity; 13. heating the air guide box at the air outlet of the cavity; 14. an air outlet air guide box of the variable frequency power supply; 15. an accommodating cavity; 16. a box door; 17. a first tail wall; 18. an air outlet I; 19. a second tail wall;
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 7, the heat dissipation air duct structure of a microwave oven according to the present invention includes a microwave oven case 1, a receiving cavity 15 for mounting a variable frequency power supply 3 and a magnetron 4 and a heating cavity 12 for cooking food are disposed in the microwave oven case 1, and a first air duct structure for heat dissipation of the variable frequency power supply 3 and a second air duct structure for heat dissipation of the magnetron 4 are disposed in the microwave oven case 1. The above constitutes the basic structure of the present invention.
By adopting the structure, the heat generated by the variable frequency power supply 3 can be effectively radiated through the first air channel structure for radiating the variable frequency power supply 3, the heat generated by the magnetron 4 can be effectively radiated through the second air channel structure for radiating the magnetron 4, the heat is guided into the heating cavity 12 to assist in heating food, the heating efficiency is improved, and the radiating effect of the magnetron 4 is obvious.
In this embodiment, one of the air duct structures includes a cold air inlet 2, a first fan 5 and a first air outlet 18, the cold air inlet 2 is disposed on a base below a front door 16 of the microwave oven body 1 and communicated with the accommodating cavity 15, the first air outlet 18 is disposed on a rear tail wall 17 of the accommodating cavity 15 and communicated with the accommodating cavity 15, the variable frequency power supply 3 is loaded through the first closed type metal plate box and fixed in the accommodating cavity 15, the first fan 5 is mounted at an air inlet end of the first closed type metal plate box, and an air outlet end of the first closed type metal plate box is communicated with the first air outlet 18. By adopting the structure, fresh air enters the accommodating cavity 15 from the cold air inlet 2, and is sucked into the closed type metal plate box I from the air inlet end of the closed type metal plate box I under the action of the fan I5, so that the variable frequency power supply 3 in the closed type metal plate box I is cooled and is discharged through the air outlet I18.
In practical application, the air outlet end of the first closed type sheet metal box is communicated with an air outlet 18 arranged on a first tail wall 17 behind the accommodating cavity 15, so that heat generated by the variable frequency power supply 3 can be completely discharged from the rear of the microwave oven body 1.
In this embodiment, the first air outlet 18 is correspondingly provided with a variable frequency power supply air outlet guiding box 14, and an air outlet of the variable frequency power supply air outlet guiding box 14 is arranged downward. By adopting the structure, the air guide box 14 at the variable frequency power supply air outlet arranged downwards through the air outlet can guide the exhausted hot air to the ground direction, and other equipment arranged behind the microwave oven body 1 cannot be influenced.
In this embodiment, the air outlet end of the first closed type metal plate box is connected with the first air outlet 18 in a closed type. By adopting the structure, the air discharged from the air outlet end of the first closed sheet metal box is directly discharged from the air outlet 18, and does not flow back into the accommodating cavity 15, so that the service life of other electronic elements in the accommodating cavity 15 is not influenced by hot air.
In this embodiment, the wind channel structure two includes cold wind air intake 2, two fans 6, heating cavity air intake 10 and heating cavity air outlet 11, cold wind air intake 2 is located on the base of the preceding chamber door 16 below of microwave oven box 1, and communicate in holding cavity 15, heating cavity air intake 10 is located on holding the baffle between cavity 15 and the heating cavity 12, and communicate in holding cavity 15 and heating cavity 12 respectively, heating cavity air outlet 11 is located on two 19 tail walls of heating cavity 12, and communicate in heating cavity 12, magnetron 4 loads through two closed sheet metal boxes, and be fixed in and hold in cavity 15, two fans 6 are installed in the air inlet end of two closed sheet metal boxes, the air-out end of two closed sheet metal boxes communicates in heating cavity air intake 10. Adopt such structure setting, in the fresh air got into from cold wind air intake 2 and holds cavity 15, under the effect of fan two 6, inhale the fresh air to closed panel beating box two in from the air inlet end of closed panel beating box two, dispel the heat to magnetron 4 in the closed panel beating box two, hot-blast leading-in to heating cavity 12 in through heating cavity air intake 10, can carry out the auxiliary heating, make the food heating efficiency in the heating cavity 12 higher, reduce the machine energy consumption, discharge from heating cavity air outlet 11 at last.
In practical application, the microwave oven has the advantages that auxiliary heating can be achieved, food heating efficiency in the heating cavity 12 is higher, energy consumption of the microwave oven is reduced, and the phenomenon that heat generated by the magnetron 4 of the traditional microwave oven in working is retained in the space of the microwave oven to affect the service life of other electronic components is also changed.
In this embodiment, the heating cavity air outlet 11 is correspondingly provided with a heating cavity air outlet wind guiding box 13, and an air outlet of the heating cavity air outlet wind guiding box 13 is arranged downward. By adopting the structure, the air guide box 13 at the air outlet of the heating cavity arranged downwards through the air outlet can guide the exhausted hot air to the ground direction, and other equipment arranged behind the microwave oven body 1 cannot be influenced.
In this embodiment, a front wind guiding box 7 is arranged between the wind inlet end of the second closed type metal plate box and the second fan 6, and a rear wind guiding box 8 and an upper wind guiding box 9 are arranged between the wind outlet end of the second closed type metal plate box and the air inlet 10 of the heating cavity. With the structure, the front wind guide box 7, the rear wind guide box 8 and the upper wind guide box 9 are matched for use, so that wind flow can be effectively guided.
In this embodiment, the outer shell of the second fan 6 is connected with the front air guide box 7 in a closed manner, one end of the rear air guide box 8 is connected with the air outlet end of the second closed metal plate box in a closed manner, the other end of the rear air guide box 8 is connected with the upper air guide box 9 in a closed manner, and the upper air guide box 9 is connected with the heating cavity air inlet 10 in a closed manner. By adopting the structure, the air flow sequentially passes through the second fan 6, the front air guide box 7, the magnetron 4, the rear air guide box 8, the upper air guide box 9 and the heating cavity air inlet 10, and is prevented from flowing back into the accommodating cavity 15, so that the service life of other electronic elements in the accommodating cavity 15 is not influenced by hot air.
In this embodiment, a filter screen is arranged in the cold air inlet 2. By adopting the structure, fresh air sucked from the cold air inlet 2 can be cleaner through the filter screen, and dust accumulation is avoided.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a microwave oven heat dissipation wind channel structure, includes microwave oven box (1), its characterized in that: the microwave oven is characterized in that an accommodating cavity (15) for installing a variable frequency power supply (3) and a magnetron (4) and a heating cavity (12) for cooking food are arranged in the microwave oven body (1), and a first air channel structure for radiating the variable frequency power supply (3) and a second air channel structure for radiating the magnetron (4) are arranged in the microwave oven body (1).
2. The structure of claim 1, wherein: one of the air duct structure comprises a cold air inlet (2), a first fan (5) and a first air outlet (18), wherein the cold air inlet (2) is arranged on a base below a front door (16) of the microwave oven body (1) and communicated with the cavity (15), the first air outlet (18) is arranged on a first tail wall (17) of the cavity (15) and communicated with the cavity (15), the variable frequency power supply (3) is loaded through a first closed metal plate box and is fixed in the cavity (15), the first fan (5) is arranged at an air inlet end of the first closed metal plate box, and an air outlet end of the first closed metal plate box is communicated with the first air outlet (18).
3. The structure of claim 2, wherein: the air outlet I (18) is correspondingly provided with a variable frequency power supply air outlet air guide box (14), and an air outlet of the variable frequency power supply air outlet air guide box (14) is arranged downwards.
4. The structure of claim 2, wherein: and the air outlet end of the first closed type metal plate box is connected with the first air outlet (18) in a closed type.
5. The structure of claim 1, wherein: the second air channel structure comprises a cold air inlet (2), a second fan (6), a heating cavity air inlet (10) and a heating cavity air outlet (11), the cold air inlet (2) is arranged on a base below a box door (16) in front of the microwave oven body (1), and is communicated with the containing cavity (15), the heating cavity air inlet (10) is arranged on a clapboard between the containing cavity (15) and the heating cavity (12), and are respectively communicated with the containing cavity (15) and the heating cavity (12), the heating cavity air outlet (11) is arranged on the tail wall II (19) of the heating cavity (12), and is communicated with the heating cavity (12), the magnetron (4) is loaded through a closed sheet metal box II, and is fixed in the containing cavity (15), the second fan (6) is arranged at the air inlet end of the second closed sheet metal box, and the air outlet end of the closed type metal plate box II is communicated with an air inlet (10) of the heating cavity.
6. The structure of claim 5, wherein: the heating cavity air outlet (11) is correspondingly provided with a heating cavity air outlet air guide box (13), and an air outlet of the heating cavity air outlet air guide box (13) is arranged downwards.
7. The structure of claim 4, wherein: preceding wind box (7) are equipped with between the air inlet end of closed panel beating box two and fan two (6), be equipped with back wind box (8) and last wind box (9) between the air-out end of closed panel beating box two and heating cavity air intake (10).
8. The structure of claim 7, wherein: adopt closed connection between the shell of fan two (6) and preceding wind-guiding box (7), adopt closed connection between the one end of back wind-guiding box (8) and the air-out end of closed panel beating box two, adopt closed connection between the back wind-guiding box (8) other end and last wind-guiding box (9), adopt closed connection between last wind-guiding box (9) and heating cavity air intake (10).
9. The structure of claim 2, wherein: a filter screen is arranged in the cold air inlet (2).
CN202122408018.3U 2021-09-30 2021-09-30 Microwave oven heat dissipation air duct structure Active CN215675333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122408018.3U CN215675333U (en) 2021-09-30 2021-09-30 Microwave oven heat dissipation air duct structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122408018.3U CN215675333U (en) 2021-09-30 2021-09-30 Microwave oven heat dissipation air duct structure

Publications (1)

Publication Number Publication Date
CN215675333U true CN215675333U (en) 2022-01-28

Family

ID=79967900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122408018.3U Active CN215675333U (en) 2021-09-30 2021-09-30 Microwave oven heat dissipation air duct structure

Country Status (1)

Country Link
CN (1) CN215675333U (en)

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