CN204115020U - Built-in microwave oven - Google Patents

Abstract

The utility model provides an embedded microwave oven, comprising: a shell, a furnace door, a cavity plate, a left fixing plate, a right fixing plate, a fan and electrical components, and the shell includes: a front panel, a rear panel, two side panels, The upper panel and the lower panel, and the upper and lower air outlets are respectively set on the front panel, and the first air inlet is set on the rear panel; the cavity includes an upper panel, a lower panel and two side panels, and a There is an electrical room, an air guide channel is set between one side plate and one side plate, a heat dissipation chamber is set between the lower plate and the lower plate, vents are set on the left and right fixing plates, and they are respectively fixedly connected with the housing. In the embedded microwave oven provided by the utility model, the upper and lower air outlets are arranged on the front panel, the air outlets are arranged on the left and right fixed panels, and the first air inlet is arranged on the rear panel. This structure increases the air inlet and outlet volume, Thus, the electrical components are fully cooled, the operating temperature of the electrical components is reduced, and the service life of the electrical components is prolonged.

Description

Embedded Microwave

technical field

The utility model relates to the field of kitchen appliances, in particular to an embedded microwave oven.

Background technique

At present, most of the technical solutions for the air guide and heat dissipation system of the existing embedded microwave ovens are as follows: an upper air inlet and a lower air outlet are arranged on the front panel. At the same time, a cooling fan is installed inside the microwave oven. The fan forms cold air, which cools the electrical components under the guidance of the ventilation shaft, and then is discharged through the lower air outlet. However, the size of the air inlet and air outlet in this technical solution is limited by the appearance design, and the air inlet and outlet are too small. , cannot meet the cooling requirements, and work under long-term high temperature conditions shortens the service life of electrical components, thereby affecting the quality of the product.

Utility model content

In order to solve at least one of the above technical problems, the purpose of this utility model is to provide a built-in microwave oven with large air intake and output and good heat dissipation effect.

In view of this, the utility model provides a built-in microwave oven, comprising: a casing, the front end of the casing is provided with an opening, and the casing includes a front panel, a rear panel, two side panels, an upper panel and a lower panel , the upper end of the front panel is provided with an upper air outlet, the lower end is provided with a lower air outlet, and the rear panel is provided with a first air inlet; a cavity plate, the cavity plate and the housing form a heating cavity with a front opening , the heating cavity is located inside the housing, the cavity plate includes an upper plate, a lower plate and two side plates, an electrical appliance room is arranged between the upper plate and the upper plate, and one of the side plates An air guide channel is provided between the board and one of the side panels, a heat dissipation chamber is provided between the lower plate and the lower panel, the electrical room, the air guide channel and the heat dissipation chamber are connected, and The electrical appliance room communicates with the upper air outlet and the first air inlet respectively, and the heat dissipation chamber communicates with the lower air outlet; the furnace door is hinged on the housing, To close or open the heating cavity; the left fixing plate is arranged on the left side of the housing and is fixedly connected with the housing, and the left fixing plate is provided with a first ventilation mouth; the right fixing plate, the right fixing plate is arranged on the right side of the housing, and is fixedly connected with the housing, and the second ventilation opening is arranged on the right fixing plate; the fan, the fan is set in the electrical appliance compartment; and electrical components, the electrical components being arranged in the electrical appliance compartment.

In the embedded microwave oven provided by the utility model, the upper and lower air outlets are arranged on the front panel, and the air outlets are arranged on the left and right fixing plates at the same time, and the first air inlet is arranged on the rear panel. The first air inlet on the rear panel sucks the air between the gap between the wall or the cabinet and the shell, and the air between the wall or the cabinet and the gap between the shell is drawn from the outside air through the first air inlet on the left and right fixing plates. , The second air vent is continuously replenished. After the air passes through the microwave oven shell, it enters the electrical room to cool the electrical components, and then part of the air is discharged through the upper air outlet on the front panel, and the other part of the air enters the cooling room through the air guide channel, and then It is exhausted through the lower air outlet on the front panel, which increases the air intake and air output, allowing more air to cool the electrical components, thereby reducing the operating temperature of the electrical components, prolonging the service life of the internal electrical components of the product, and improving Specifically, the microwave oven in the prior art has an air inlet on the upper end and an air outlet on the lower end. Due to the limited space on the front panel, the air inlet and the air outlet are relatively small, resulting in a large amount of air inlet and outlet. Small, can not effectively dissipate heat to electrical components, and the embedded microwave oven provided by the utility model, the first air inlet is arranged on the rear panel, because the area of the rear panel is larger, the ventilation area of the first air inlet is very large, that is to say, the At the same time, the upper and lower air outlets are set on the front panel to increase the air outlet area, that is, to increase the air outlet volume, so that more cooling air can cool the electrical components, thereby reducing the operating temperature of the electrical components. The service life of the internal electrical components of the product is extended, thereby improving the quality of the product.

In addition, the embedded microwave oven in the above embodiment provided by the utility model can also have the following additional technical features:

According to an embodiment of the present invention, the embedded microwave oven further includes: an air deflector, the air deflector is arranged in the electrical appliance room, and is used to guide the wind in the electrical appliance room to the air guide channel.

According to an embodiment of the present invention, a second air inlet is provided on the other side panel of the casing, and the second air inlet communicates with the electrical appliance room.

According to an embodiment of the present invention, the built-in microwave oven further includes: a partition, the partition is arranged in the electrical appliance chamber, and divides the electrical appliance chamber into a first chamber and a second chamber, and the An air outlet is provided on the partition, wherein the first chamber and the second chamber communicate through the air outlet, and the first chamber is connected to the first air inlet and the second air inlet respectively. The fan is arranged in the first chamber, the second chamber is respectively connected with the air guiding channel and the upper air outlet, and the electrical device is arranged in the second chamber.

According to an embodiment of the present invention, the electrical device includes: a magnetron and a transformer, and the magnetron and the transformer are arranged at the air outlet.

According to an embodiment of the present invention, the embedded microwave oven further includes: a turntable, the turntable is arranged on the lower plate; and a motor is arranged in the heat dissipation chamber and connected to the turntable.

According to an embodiment of the present invention, the first air inlet includes a plurality of first air inlet holes; the second air inlet includes a plurality of second air inlet holes.

According to an embodiment of the present invention, the upper air outlet includes a plurality of upper air outlet holes; the lower air outlet includes a plurality of lower air outlet holes.

According to an embodiment of the present invention, the upper air outlet hole and/or the lower air outlet hole are elongated holes.

According to an embodiment of the present utility model, the upper board, the lower board and the two side boards are of an integral structure.

Additional aspects and advantages of the invention will become apparent in the description which follows, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of the three-dimensional structure of the embedded microwave oven described in the utility model;

Fig. 2 is a structural schematic diagram of the embedded microwave oven shown in Fig. 1 with the oven door removed;

Fig. 3 is a structural schematic diagram of the embedded microwave oven shown in Fig. 1 after removing the upper panel;

Fig. 4 is a structural schematic view of air flowing in the structure shown in Fig. 3 .

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 4 is:

1 shell, 101 front panel, 102 rear panel, 103 side panel, 2 turntable, 3 furnace door, 4 cavity panel 4, 401 upper panel, 402 lower panel, 403 side panel, 5 left fixed panel, 501 first air vent , 6 right fixed plate, 601 second air inlet, 7 first air inlet, 8 second air inlet, 9 electrical components, 901 magnetron, 902 transformer, 10 fan, 11 wind deflector, 12 partition, 13 electrical appliance Room, 14 upper air outlets, 15 lower air outlets.

The arrows in the figure indicate the direction of air flow.

Detailed ways

In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from those described here, therefore, the protection scope of the utility model is not limited by the following limitations of the specific embodiments disclosed.

The embedded microwave oven according to some embodiments of the present utility model will be described below with reference to FIGS. 1 to 4 .

As shown in Figure 1, Figure 2 and Figure 3, the embedded microwave oven provided by the utility model includes: a housing 1, an oven door 3, a cavity plate 4, a left fixing plate 5, a right fixing plate 6, a fan 10 and electrical components 9.

In addition, the casing 1 includes a front panel 101, a rear panel 102, two side panels 103, an upper panel (not shown in the figure) and a lower panel (not shown in the figure), the upper end of the front panel 101 is provided with an upper air outlet 14. The lower end is provided with a lower air outlet 15, the rear panel 102 is provided with a first air inlet 7, and the front end of the housing 1 is provided with an opening; the cavity panel 4 includes an upper panel 401, a lower panel 402 and two side panels 403.

Specifically, the cavity plate 4 and the housing 1 form a heating cavity with an open front end, the heating cavity is located inside the housing 1, an electrical appliance room 13 is arranged between the upper plate 401 and the upper panel, and the side plate 403 and the side panel 103 is provided with an air guide channel, and a heat dissipation chamber is provided between the lower plate 402 and the lower panel. 7 are connected, and the heat dissipation chamber is connected with the lower air outlet 15; the furnace door 3 is hinged on the shell 1 for closing or opening the heating cavity; the left fixing plate 5 is arranged on the left side of the shell 1, and is connected with the shell 1 is fixedly connected, and the left fixed plate 5 is provided with a first ventilation opening 501; the right fixed plate 6 is provided on the right side of the housing 1, and is fixedly connected with the housing 1, and the right fixed plate 6 is provided with a second ventilation opening Port 601; the fan 10 is set in the electrical room 13; the electrical device 9 is set in the electrical room 13.

In addition, the embedded microwave oven is installed in a wall or cabinet, and there is a gap between the wall or cabinet of the embedded microwave oven, wherein the embedded microwave oven is fixedly connected to the wall or cabinet through the left fixing plate 5 and the right fixing plate 6 .

In the embedded microwave oven provided by the utility model, the upper air outlet 14 and the lower air outlet 15 are arranged on the front panel, the left fixed plate 5 and the right fixed plate 6 are provided with air vents, and the rear panel 102 is provided with the first air inlet 7. In the working state, as shown in FIG. 4 , the internal fan 10 sucks the air between the gap between the wall or the cabinet and the housing 1 from the first air inlet 7 on the rear panel 102 , and the air between the gap between the wall or the cabinet and the housing 1 The air in the space is continuously replenished by the outside air through the first vent 501 and the second vent 601 on the left fixed plate 5 and the right fixed plate 6. After the air enters the microwave oven casing 1, it enters the electrical appliance room 13 to pair the electrical components 9 After cooling, part of the air is discharged through the upper air outlet 14 on the front panel 101, and another part of the air enters the cooling chamber through the air guide channel, and then is discharged through the lower air outlet 15 on the front panel 101. Compared with the prior art, this The structure increases the air inlet and outlet volume, so that more cooling air can cool the electrical device 9, thereby reducing the working temperature of the electrical device 9, prolonging the service life of the electrical device 9 inside the product, and improving the quality of the product.

In a specific embodiment of the present utility model, as shown in FIG. 3 and FIG. 4 , the embedded microwave oven further includes: a wind deflector 11 , a turntable 2 and a motor (not shown in the figure).

Specifically, the wind deflector 11 is arranged in the electrical appliance room 13 for guiding the wind in the appliance room 13 to the air guide channel; the turntable 2 is arranged on the lower plate 402;

In this embodiment, the setting of the air deflector 11 guides the air in the electrical room 13 to the air guide channel, and finally enters the heat dissipation chamber to cool the motor in the heat dissipation chamber, thereby reducing the operating temperature of the motor and prolonging the life of the motor. service life, thereby improving the quality of the product.

In a specific embodiment of the present invention, as shown in FIG. 3 and FIG. 4 , the other side panel 103 of the casing 1 is provided with a second air inlet 8 , and the second air inlet 8 communicates with the electrical appliance room 13 .

In this embodiment, a second air inlet 8 is provided on the side panel 103 of the housing 1, and the second air inlet 8 communicates with the electrical appliance room 13, which increases the overall air inlet area of the product, that is, increases the air intake into the electrical appliance room. The air volume of 13 can effectively cool the electrical components 9 in the electrical appliance compartment 13, thereby reducing the working temperature of the electrical components 9 in the electrical appliance compartment 13, prolonging the service life of the electrical components 9, and improving the quality of the product.

In a specific embodiment of the present utility model, as shown in FIG. 3 and FIG. 4 , the embedded microwave oven further includes: a partition 12 .

Specifically, the partition 12 is arranged in the electrical appliance room 13, and divides the electrical appliance room 13 into a first chamber and a second chamber, and the partition 12 is provided with an air outlet, wherein the first chamber and the second chamber The chambers are connected through the air outlet, the first chamber is respectively connected with the first air inlet 7 and the second air inlet 8, the fan 10 is arranged in the first chamber, and the second chamber is respectively connected with the air guide channel and the upper air outlet 14 In communication with each other, the electrical device 9 is disposed in the second chamber.

In this embodiment, the partition board 12 divides the electrical appliance room 13 into a first chamber and a second chamber, and the first chamber communicates with the first air inlet 7 and the second air inlet 8 respectively, so that the blower fan 10 is connected with the first air inlet 8 from the second chamber. An air inlet 7 and a second air inlet 8 suck air into the first chamber and concentrate it in the first chamber, so that after the air in the first chamber enters the second chamber through the air outlet on the partition plate 12, it has a relatively large air volume, which is beneficial to the second chamber. The electrical components 9 in the second chamber are cooled, and then part of the air is discharged through the upper air outlet 14 on the front panel 101, and the other part of the air enters the heat dissipation chamber through the air guide channel. The setting of the partition 12 ensures that the fan 10 absorbs the cold air Efficiency increases the intake of cold air, thereby reducing the operating temperature of the electrical device 9 in the electrical room 13, prolonging the service life of the electrical device 9, and improving the quality of the product.

In a specific embodiment of the present invention, as shown in FIG. 3 , the electrical device 9 includes: a magnetron 901 and a transformer 902 , and the magnetron 901 and the transformer 902 are arranged at the air outlet.

In this embodiment, the air flow velocity at the air outlet is fast and the wind field is strong, and the heat generation of the magnetron 901 and the transformer 902 is large. Cooling the magnetron 901 and the transformer 902 reduces the operating temperature of the magnetron 901 and the transformer 902, prolongs the service life of the magnetron 901 and the transformer 902, and improves the quality of the product.

In a specific embodiment of the present utility model, as shown in FIG. 3 and FIG. 4 , the first air inlet 7 includes a plurality of first air inlet through holes; the second air inlet 8 includes a plurality of second air inlet through holes.

In this embodiment, the first air inlet 7 includes a plurality of first air inlet through holes, which can prevent debris from being sucked into the electrical room 13 by the fan 10 and affect the operation of the fan 10 under the condition of ensuring the air intake. , similarly, the second air inlet 8 includes a plurality of second air inlet through holes, under the condition of ensuring the air intake volume, it can avoid the situation that sundries are sucked into the electrical appliance room 13 by the fan 10 and affect the operation of the fan 10 .

In a specific embodiment of the present utility model, as shown in FIG. 3 and FIG. 4 , the upper air outlet 14 includes a plurality of upper air outlet holes; the lower air outlet 15 includes a plurality of lower air outlet holes.

In this embodiment, the upper air outlet 14 includes a plurality of upper air outlet holes, which can shield microwaves while ensuring the exhaust volume, thereby reducing the probability of microwave leakage. At the same time, the lower air outlet 15 includes a plurality of The lower air outlet hole has the effect of shielding microwaves while ensuring the exhaust volume, thereby reducing the probability of microwave leakage.

In a specific embodiment of the present utility model, as shown in FIG. 3 and FIG. 4 , the upper air outlet hole and/or the lower air outlet hole are elongated holes.

In this embodiment, the arrangement of the elongated holes is beneficial to increase the air outlet area, thereby increasing the air outlet volume, ensuring the smooth flow of air in the product, and further improving the reliability of the product.

In a specific embodiment of the present utility model, the upper plate 401, the lower plate 402 and the two side plates 403 are integrally structured as shown in the figure and the figure.

In this embodiment, the upper board 401, the lower board 402 and the two side boards 403 are of an integrated structure, on the one hand, the connection strength between the upper board 401, the lower board 402 and the two side boards 403 is ensured, thereby reducing the The probability of fracture between the upper plate 401, the lower plate 402 and the two side plates 403 improves the reliability of the product. On the other hand, the upper plate 401, the lower plate 402 and the two side plates 403 can be integrally made , thereby improving the production efficiency of the product, thereby reducing the manufacturing cost of the product.

In summary, the embedded microwave oven provided by the utility model is provided with an upper air outlet 14 and a lower air outlet 15 on the front panel, and at the same time, an air outlet is provided on the left fixed plate 5 and the right fixed plate 6, and the rear panel 102 The first air inlet 7 is provided. Under the working state of the product, the internal fan 10 sucks the air from the gap between the wall or the cabinet and the housing 1 through the first air inlet 7 on the rear panel 102, while the wall or the cabinet and the housing The air between the gaps of the body 1 is continuously replenished by the outside air through the first vent 501 and the second vent 601 on the left fixed plate 5 and the right fixed plate 6, and the air enters the electrical appliance room 13 after passing through the microwave oven casing 1 The electric device 9 is cooled, and then part of the air is discharged through the upper air outlet 14 on the front panel 101, and another part of the air enters the heat dissipation chamber through the air guide channel, and then is discharged through the lower air outlet 15 on the front panel 101, which increases the air intake. The air volume and air output allow more air to cool the electrical device 9, thereby reducing the operating temperature of the electrical device 9, prolonging the service life of the electrical device 9 inside the product, and improving the quality of the product. Specifically, the existing In the prior art, the upper end of the front panel 101 of the microwave oven is provided with an air inlet and the lower end is provided with an air outlet. Due to the limited space of the front panel 101, the air inlet and the air outlet are small, resulting in a small air inlet and outlet, which cannot effectively dissipate heat to electrical components. , and the embedded microwave oven provided by the utility model, the first air inlet is arranged on the rear panel 102, because the area of the rear panel 102 is relatively large, the ventilation area of the first air inlet 7 is very large, which increases the air intake, and at the same time, The upper and lower air outlets 15 are set on the front panel to increase the air outlet area, that is, increase the air volume, so that more cooling air can cool the electrical device 9, thereby reducing the operating temperature of the electrical device 9 , prolong the service life of the internal electrical components of the product, thereby improving the quality of the product.

In the present utility model, the terms "first" and "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "plurality" refers to two or more than two, unless otherwise There are clear limits. The terms "installation", "connection", "connection", "fixed" and other terms should be interpreted in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; "connection" can be directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the description of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "up", "down", "left", "right", "front", "rear" etc. are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, cannot be understood as a reference to the utility model. limits.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in the present application. Novel at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. An embedded microwave oven, characterized in that, comprising: The housing, the front end of the housing is provided with an opening, the housing includes a front panel, a rear panel, two side panels, an upper panel and a lower panel, the upper end of the front panel is provided with an upper air outlet, and the lower end is provided with a lower Air outlet, the first air inlet is set on the rear panel; A cavity plate, the cavity plate and the housing form a heating cavity with an open front end, the heating cavity is located inside the housing, the cavity plate includes an upper plate, a lower plate and two side plates, so An electrical appliance room is provided between the upper board and the upper board, an air guide channel is provided between the side board and the side board, a cooling chamber is provided between the lower board and the lower board, The electrical appliance room, the air guiding channel and the heat dissipation chamber are connected, and the electrical appliance room is connected to the upper air outlet and the first air inlet respectively, and the heat dissipation chamber is connected to the lower air outlet Connected; a furnace door, the furnace door is hinged on the housing and is used to close or open the heating cavity; A left fixing plate, the left fixing plate is arranged on the left side of the housing, and is fixedly connected with the housing, and the left fixing plate is provided with a first vent; A right fixing plate, the right fixing plate is arranged on the right side of the housing, and is fixedly connected with the housing, and the right fixing plate is provided with a second ventilation port; a fan, the fan is arranged in the electrical room; and An electrical device, the electrical device is arranged in the electrical room. the 2. The embedded microwave oven according to claim 1, further comprising: A wind deflector, the wind deflector is arranged in the electrical appliance room, and is used to guide the wind in the electrical appliance room to the air guide channel. the 3. The embedded microwave oven according to claim 2, characterized in that, A second air inlet is provided on the other side panel of the casing, and the second air inlet communicates with the electrical appliance room. the 4. The embedded microwave oven according to claim 3, further comprising: A partition, the partition is arranged in the electrical appliance room, and divides the electrical appliance room into a first chamber and a second chamber, and the partition is provided with an air outlet, Wherein, the first chamber communicates with the second chamber through the air outlet, the first chamber communicates with the first air inlet and the second air inlet respectively, and the fan is arranged at In the first chamber, the second chamber communicates with the air guiding channel and the upper air outlet respectively, and the electrical device is arranged in the second chamber. the 5. The embedded microwave oven according to claim 4, characterized in that, The electrical device includes: a magnetron and a transformer, and the magnetron and the transformer are arranged at the air outlet. the 6. The embedded microwave oven according to any one of claims 3 to 5, further comprising: a turntable disposed on the lower plate; and A motor, the motor is arranged in the heat dissipation chamber and connected with the turntable. the 7. The embedded microwave oven according to claim 6, characterized in that, The first air inlet includes a plurality of first air inlet holes; the second air inlet includes a plurality of second air inlet holes. the 8. The embedded microwave oven according to claim 6, characterized in that, The upper air outlet includes a plurality of upper air outlet holes; the lower air outlet includes a plurality of lower air outlet holes. the 9. The embedded microwave oven according to claim 8, characterized in that, The upper air outlet hole and/or the lower air outlet hole are elongated holes. the 10. The embedded microwave oven according to claim 6, characterized in that, The upper board, the lower board and the two side boards are of an integral structure. the