Microwave oven with independent air duct

By designing an independent air duct structure in the microwave oven, the problem of ventilation for the magnetic control components and the inner cavity was solved, achieving effective heat dissipation and ventilation, and improving the overall performance of the equipment.

CN223636220UActive Publication Date: 2025-12-05FOSHAN SHUNDE SULAI ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422938361.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing microwave oven air duct structure cannot simultaneously meet the ventilation needs of the magnetic control component and the interior cavity, resulting in poor heat dissipation and ventilation.

Method used

Independent first and second air ducts were designed to ventilate the magnetic control component and the heating chamber, respectively. The first air duct flows through the magnetic control component, and the second air duct flows through the magnetic control component and the heating chamber. Combined with the fan assembly and air duct structure, heat dissipation of the magnetic control component and ventilation of the inner liner are achieved.

Benefits of technology

This achieves effective heat dissipation of the magnetic control components and ventilation inside the inner tank, improving the heat dissipation and heating efficiency of the equipment, while avoiding the influence of airflow temperature on the heating effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223636220U_ABST
    Figure CN223636220U_ABST
Patent Text Reader

Abstract

The utility model relates to a microwave oven with independent air ducts, which comprises an oven main body and an inner container, a heating cavity is arranged on the inner side of the inner container, a magnetic control component and a fan component are arranged on the outer side of the inner container, the fan component is connected with a first air duct and a second air duct, the first air duct flows through the magnetic control component, and the second air duct sequentially flows through the magnetic control component and the heating cavity. By arranging the first air duct and the second air duct, the airflow generated by the fan assembly can generate a ventilation effect on the magnetic control assembly and the heating cavity, and therefore the heat dissipation requirement of the magnetic control assembly and the ventilation requirement of the interior of the inner container are met at the same time.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of microwave oven, specifically relates to a microwave oven with independent air duct. BACKGROUND

[0002] The microwave oven can heat food by generating microwaves, has the characteristics such as fast heating speed, uniform heating, simple operation, and is a relatively common kitchen appliance.

[0003] In the working process of the microwave oven, microwaves need to be generated by a magnetron assembly, and the magnetron assembly generates a large amount of heat in the working process. At the same time, when the microwave oven heats food, the water in the food will evaporate into water vapor, and moisture may also be generated during cooking. Therefore, the inner container of the microwave oven also needs to maintain air circulation to prevent water vapor and moisture from accumulating in the inner container of the microwave oven.

[0004] The air duct structure of the existing microwave oven cannot simultaneously meet the ventilation requirements of the magnetron assembly and the inner container.

[0005] Therefore, further improvement is needed. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the deficiencies of the prior art, and provides a microwave oven with independent air duct, which has simple structure and can simultaneously meet the heat dissipation of the magnetron assembly and the ventilation requirements of the inner container.

[0007] The utility model aims at overcoming the deficiencies of the prior art, and provides a microwave oven with independent air duct, which has simple structure and can simultaneously meet the heat dissipation of the magnetron assembly and the ventilation requirements of the inner container.

[0008] A microwave oven with independent air duct, comprising a main body and an inner container, the inner side of the inner container has a heating cavity, the outer side of the inner container is provided with a magnetron assembly and a fan assembly, the fan assembly is connected with a first air duct and a second air duct, the first air duct flows through the magnetron assembly, and the second air duct flows through the magnetron assembly and the heating cavity in sequence.

[0009] As a specific scheme, the fan assembly comprises a first fan and a second fan, the magnetron assembly comprises a first magnetron tube and a second magnetron tube, the outer side of the first magnetron tube and the second magnetron tube is respectively provided with a first lumen and a second lumen, and the air outlet end of the first fan and the second fan is respectively communicated with the first lumen and the second lumen.

[0010] As a specific scheme, the first lumen is connected with a first outer air outlet and a first inner air outlet, the first outer air outlet is communicated with the outer side space of the main body, and the air outlet end of the first fan is communicated with the outer side of the bottom of the inner container through the first inner air outlet and forms the first air duct.

[0011] As a specific scheme, the second tube cavity is connected with a second external air outlet and a second internal air outlet, the second external air outlet is communicated with the outside space of the furnace body, the second internal air outlet is communicated with the outside of the top of the inner container, the top of the inner container is provided with an air inlet hole, and the inside of the inner container is communicated with the outside of the top of the inner container through the air inlet hole.

[0012] As a specific scheme, the inner container is further provided with an air outlet hole, the outside of the inner container is provided with an air exhaust channel, the air outlet end of the air exhaust channel is arranged on the outside of the furnace body, the inside of the inner container is communicated with the air exhaust channel through the air outlet hole, and the air outlet end of the second fan is sequentially communicated with the air outlet end of the air exhaust channel through the second internal air outlet, the air inlet hole and the air outlet hole to form a second air duct.

[0013] As a specific scheme, the outside of the inner container is provided with a baffle plate corresponding to the position between the air inlet hole and the air outlet hole, the two ends of the baffle plate are respectively arranged adjacent to the air inlet hole and the air outlet hole, and the second internal air outlet and the air inlet hole are arranged on the same side of the baffle plate.

[0014] As a specific scheme, the baffle plate is provided with a guide arc surface, and the guide arc surface is inclined to the air inlet hole side in the direction from the second internal air outlet to the air inlet hole.

[0015] As a specific scheme, the air outlet ends of the first fan and the second fan are connected with a first electric control cavity and a second electric control cavity respectively, the first electric control cavity and the second electric control cavity are respectively provided with a first electric control device and a second electric control device, the first electric control device and the second electric control device are respectively electrically connected with the first magnetron and the second magnetron, and the first electric control cavity and the second electric control cavity are communicated with the first tube cavity and the second tube cavity respectively.

[0016] As a specific scheme, the first magnetron and the second magnetron are sequentially arranged at the middle position of the outside of the inner container from top to bottom, and the first fan and the second fan are arranged on the left and right sides of the first magnetron and the second magnetron respectively.

[0017] The beneficial effects of the present application are as follows:

[0018] By arranging the first air duct and the second air duct, the airflow generated by the fan assembly can respectively ventilate the magnetron assembly and the heating cavity, so that the heat dissipation of the magnetron assembly and the ventilation demand of the inner container are simultaneously met. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application.

[0020] Figure 2 It is a schematic diagram of the local structure of the embodiment of the present application Figure One .

[0021] Figure 3 It is a schematic diagram of the local structure of the embodiment of the present applicationFigure Two .

[0022] Figure 4 A partial structure diagram of an embodiment of the utility model Figure Three .

[0023] Figure 5 A partial structure diagram of an embodiment of the utility model Figure Four . DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and embodiments.

[0025] Referring to Figures 1-5 , the microwave oven with independent air ducts comprises a furnace main body 1 and an inner container 2, the inner side of the inner container 2 is provided with a heating cavity 21, the outer side of the inner container 2 is provided with a magnetron assembly and a fan assembly, the fan assembly is connected with a first air duct and a second air duct, the first air duct flows through the magnetron assembly, and the second air duct flows through the magnetron assembly and the heating cavity 21 in sequence, through the arrangement of the first air duct and the second air duct, the airflow generated by the fan assembly can produce ventilation effects on the magnetron assembly and the heating cavity 21 respectively, so that the heat dissipation of the magnetron assembly and the ventilation demand inside the inner container 2 are simultaneously met.

[0026] Moreover, since the airflow in the second air duct passes through the magnetron assembly first and then enters the heating cavity 21, the temperature of the airflow before entering the heating cavity 21 will be correspondingly increased, so that the effect of heating food is not affected by the airflow with relatively low temperature directly entering the heating cavity 21, the airflow with relatively high temperature entering the heating cavity 21 can not only play the effect of ventilating the heating cavity 21 to remove moisture, but also will not affect normal heating, and since the airflow entering the heating cavity 21 has been increased in temperature by the magnetron assembly, the heating efficiency of the heating cavity 21 can also be improved to a certain extent.

[0027] Further, the fan assembly comprises a first fan 31 and a second fan 32, the magnetron assembly comprises a first magnetron tube 41 and a second magnetron tube 42, the outer side of the first magnetron tube 41 and the second magnetron tube 42 is provided with a first tube cavity 51 and a second tube cavity 52 respectively, the air outlet ends of the first fan 31 and the second fan 32 are in communication with the first tube cavity 51 and the second tube cavity 52 respectively, and the heat dissipation effect on the magnetron assembly is improved as a whole.

[0028] Further, the first tube cavity 51 is connected with a first outer air outlet 511 and a first inner air outlet 512, the first outer air outlet 511 is in communication with the outside space of the furnace body 1, the air outlet end of the first fan 31 is in communication with the outside of the bottom of the inner container 2 through the first inner air outlet 512 and forms a first air duct, part of the airflow generated by the first fan 31 will be directly discharged outward through the first outer air outlet 511 after passing through the first tube cavity 51, and part of the airflow will continue to flow to the outside of the bottom of the inner container 2 through the first inner air outlet 512, the first air duct can play a heat dissipation effect on the first magnetron 41, and the airflow can also play a certain ventilation and heat dissipation effect on the electrical elements on the outside of the bottom of the inner container 2.

[0029] Further, the second tube cavity 52 is connected with a second outer air outlet 521 and a second inner air outlet 522, the second outer air outlet 521 is in communication with the outside space of the furnace body 1, the second inner air outlet 522 is in communication with the outside of the top of the inner container 2, the top of the inner container 2 is provided with an air inlet hole 22, the inside of the inner container 2 is in communication with the outside of the top of the inner container 2 through the air inlet hole 22, part of the airflow generated by the second fan 32 will be directly discharged outward through the second outer air outlet 521 after passing through the second tube cavity 52, and part of the airflow will continue to flow to the outside of the top of the inner container 2 through the second inner air outlet 522, and then enter the inside of the inner container 2 through the air inlet hole 22 into the heating cavity 21 in the inside of the inner container 2, thereby playing a heat dissipation effect on the first magnetron 41 and a ventilation effect on the heating cavity 21.

[0030] Further, the inner container 2 is also provided with an air outlet hole 23, the outside of the inner container 2 is provided with an air exhaust passage 24, the air outlet end of the air exhaust passage 24 is arranged on the outside of the furnace body 1, the inside of the inner container 2 is in communication with the air exhaust passage 24 through the air outlet hole 23, the air outlet end of the second fan 32 sequentially passes through the second inner air outlet 522, the air inlet hole 22 and the air outlet hole 23 to form a second air duct with the air outlet end of the air exhaust passage 24, the airflow in the inner container 2 can be sequentially discharged outward through the air outlet hole 23 and the air exhaust passage 24, thereby improving the airflow circulation efficiency in the heating cavity 21 and improving the ventilation effect of the heating cavity 21.

[0031] Further, the outside of the inner container 2 is provided with a wind shield 25 corresponding to the position between the air inlet hole 22 and the air outlet hole 23, the two ends of the wind shield 25 are respectively arranged adjacent to the air inlet hole 22 and the air outlet hole 23, the second inner air outlet 522 and the air inlet hole 22 are arranged on the same side of the wind shield 25, the wind shield 25 can avoid the interference between the air inlet hole 22 and the air outlet hole 23 in the outside space of the inner container 2, ensure that the airflow can circulate along the preset path, and improve the heat dissipation and ventilation effect of the second air duct.

[0032] Further, the wind shield 25 is provided with a guide arc surface, the guide arc surface is inclined to the side of the air inlet hole 22 along the direction from the second inner air outlet 522 to the air inlet hole 22, and can better guide the airflow discharged through the second inner air outlet 522 to the position of the air inlet hole 22.

[0033] Further, the air outlet ends of the first and second air fans 31 and 32 are connected to the first and second electric control cavities 61 and 62 respectively, and the first and second electric control cavities 61 and 62 are respectively provided with first and second electric control devices (not shown in the figure) and the first and second electric control devices are respectively electrically connected to the first and second magnetrons 41 and 42, and the first and second electric control cavities 61 and 62 are respectively communicated with the first and second tube cavities 51 and 52, so that the air flow generated by the first and second air fans 31 and 32 can also have the effect of heat dissipation and cooling on the first and second electric control devices, which is beneficial to prolong the service life of the first and second electric control devices.

[0034] Further, the first and second magnetrons 41 and 42 are sequentially arranged at the middle positions outside the inner container 2 from top to bottom, and the first and second air fans 31 and 32 are respectively arranged on the left and right sides of the first and second magnetrons 41 and 42, so that the space positions of the whole equipment can be more reasonably utilized, and the counterweight of the equipment is more uniform.

[0035] The above embodiments are only preferred schemes of the present application, and the present application can also have other embodiments. Those skilled in the art can also make equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are all included in the scope set by the claims of the present application.

Claims

1. A microwave oven having independent air ducts, characterized by comprising: The application relates to a stove, which comprises a stove body (1) and an inner container (2), the inner side of the inner container (2) is provided with a heating cavity (21), the outer side of the inner container (2) is provided with a magnetron assembly and a fan assembly, the fan assembly is connected with a first air duct and a second air duct, the first air duct flows through the magnetron assembly, and the second air duct sequentially flows through the magnetron assembly and the heating cavity (21).

2. The microwave oven having independent air ducts according to claim 1, wherein: The fan assembly comprises a first fan (31) and a second fan (32), the magnetron assembly comprises a first magnetron (41) and a second magnetron (42), the outer side of the first magnetron (41) and the second magnetron (42) is respectively provided with a first lumen (51) and a second lumen (52), and the air outlet ends of the first fan (31) and the second fan (32) are respectively communicated with the first lumen (51) and the second lumen (52).

3. The microwave oven having independent air ducts according to claim 2, wherein: The first lumen (51) is connected with a first outer air outlet (511) and a first inner air outlet (512), the first outer air outlet (511) is communicated with the outer side space of the stove body (1), and the air outlet end of the first fan (31) is communicated with the bottom outer side of the inner container (2) through the first inner air outlet (512) and forms the first air duct.

4. The microwave oven having independent air ducts according to claim 2, wherein: The second lumen (52) is connected with a second outer air outlet (521) and a second inner air outlet (522), the second outer air outlet (521) is communicated with the outer side space of the stove body (1), the second inner air outlet (522) is communicated with the top outer side of the inner container (2), the top of the inner container (2) is provided with an air inlet hole (22), and the inner side of the inner container (2) is communicated with the outer side of the top of the inner container (2) through the air inlet hole (22).

5. The microwave oven having independent air ducts according to claim 4, wherein: The inner container (2) is further provided with an air outlet hole (23), the outer side of the inner container (2) is provided with an exhaust passage (24), the air outlet end of the exhaust passage (24) is arranged on the outer side of the stove body (1), the inner side of the inner container (2) is communicated with the exhaust passage (24) through the air outlet hole (23), and the air outlet end of the second fan (32) sequentially forms the second air duct through the second inner air outlet (522), the air inlet hole (22) and the air outlet hole (23) and the air outlet end of the exhaust passage (24).

6. The microwave oven having independent air ducts according to claim 5, wherein: The outer side of the inner container (2) is provided with a baffle (25) corresponding to the position between the air inlet hole (22) and the air outlet hole (23), the first end and the second end of the baffle (25) are respectively arranged adjacent to the air inlet hole (22) and the air outlet hole (23), and the second inner air outlet (522) and the air inlet hole (22) are arranged on the same side of the baffle (25).

7. The microwave oven having independent air ducts according to claim 6, wherein: The baffle (25) is provided with a guide arc surface, and the guide arc surface is inclined to the air inlet hole (22) side along the direction from the second inner air outlet (522) to the air inlet hole (22).

8. The microwave oven having independent air ducts according to claim 2, wherein: The air outlet ends of the first fan (31) and the second fan (32) are connected to a first electric control cavity (61) and a second electric control cavity (62) respectively, and the first electric control cavity (61) and the second electric control cavity (62) are respectively provided with a first electric control device and a second electric control device, and the first electric control device and the second electric control device are respectively electrically connected to the first magnetron (41) and the second magnetron (42), and the first electric control cavity (61) and the second electric control cavity (62) are respectively communicated with the first tube cavity (51) and the second tube cavity (52).

9. The microwave oven having independent air ducts according to any one of claims 2 to 8, characterized in that: The first magnetron (41) and the second magnetron (42) are sequentially arranged at the middle positions outside the inner container (2) from top to bottom, and the first fan (31) and the second fan (32) are respectively arranged on the left and right sides of the first magnetron (41) and the second magnetron (42).