WO2017202018A1 - 微波炉 - Google Patents
微波炉 Download PDFInfo
- Publication number
- WO2017202018A1 WO2017202018A1 PCT/CN2016/112177 CN2016112177W WO2017202018A1 WO 2017202018 A1 WO2017202018 A1 WO 2017202018A1 CN 2016112177 W CN2016112177 W CN 2016112177W WO 2017202018 A1 WO2017202018 A1 WO 2017202018A1
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- WO
- WIPO (PCT)
- Prior art keywords
- microwave oven
- air
- chamber
- oven according
- plate
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/02—Stoves or ranges heated by electric energy using microwaves
Definitions
- the invention relates to the technical field of household appliances, and in particular to a microwave oven.
- the existing microwave oven comprises a casing, an inner casing disposed inside the casing and a fan, the casing and the inner casing together forming a heating cavity, and a heat dissipation channel is formed between the casing and the inner casing.
- the air inlet of the heat dissipation channel is disposed at the front plate end of the outer casing, and the air outlet of the heat dissipation channel is disposed at the lower end of the front plate of the outer casing.
- the outside air entering the heat dissipation passage from the air inlet is discharged through the air outlet to take away some of the heat in the microwave oven. Since the air outlet of the heat dissipation passage is provided at the lower end of the front panel, the hot air discharged from the air outlet is blown to the product placed under the microwave oven, which may cause the shape and color of the product located under the microwave oven to change.
- the main object of the present invention is to provide a microwave oven which aims to reduce the influence of hot air discharged from a microwave oven on other products.
- a microwave oven according to the present invention includes a casing, an inner casing and a fan; wherein
- the outer casing includes a front plate provided with an opening, the lower end of the front plate is provided with a first air inlet, and the lower end is provided with an air outlet;
- the inner casing is disposed in the outer casing, and a heat dissipation chamber located on the lower side of the inner casing and communicating with the first air inlet is formed between the outer casing and the inner casing, and the left and right sides of the inner casing are a side air guiding passage, and an electric appliance chamber located on an upper side of the inner casing and communicating with the air outlet, wherein the electric appliance chamber communicates with the heat dissipating chamber through the two air guiding passages;
- the fan is installed in the electrical appliance room.
- the first air inlet is arranged in a grid shape.
- the first air inlet is provided with a filter.
- the air outlet is arranged in a grid shape.
- a filter mesh is disposed at the air outlet.
- an air deflector is disposed in each of the air guiding passages, and the air guiding plate is configured to guide the wind in the air guiding passage to the electric appliance room.
- the air deflector extends from the front to the rear and is inclined from the bottom to the top, so that the air guiding channel is gradually expanded from the front to the rear.
- the outer casing further includes a rear plate on a rear side of the front plate, two side plates on left and right sides of the front plate, a top plate on a top side of the front plate, and a bottom plate on the front side of the front plate
- the bottom plate, the front plate, the rear plate, the two side plates, the top plate and the bottom plate are all fixed by welding.
- one of the two side panels is provided with a second air inlet.
- the two side panels are each provided with a second air inlet.
- the rear plate is provided with a third air inlet that communicates with the electrical appliance room.
- the microwave oven further includes two fixing plates, the two fixing plates are respectively disposed on the left and right sides of the front plate, and each of the fixing plates is provided with a vent.
- the microwave oven further includes a door body rotatably coupled to the front plate for covering an opening of the front plate.
- the left and right sides of the door body are correspondingly matched with the fixing plates of the left and right sides of the front plate.
- the microwave oven further includes a partition disposed in the electric appliance compartment, the partition partitioning the electric appliance compartment into a first chamber communicating with the two air guiding passages, and communicating with the air outlet
- the second chamber is provided with a venting hole communicating with the first chamber and the second chamber, and the fan is disposed in the first chamber.
- the fan is a vortex blower.
- the microwave oven further includes a turntable mounted in a heating chamber formed by the inner casing and the outer casing.
- the air inlet of the microwave oven is disposed at the lower end of the front panel, and the air outlet is disposed at the upper end of the front panel, and air entering the microwave oven from the air inlet is discharged from the air outlet.
- the hot air discharged from the microwave oven is prevented from being blown to the product placed under the microwave oven, thereby reducing the influence of the hot air discharged from the microwave oven on other products.
- FIG. 1 is a schematic structural view of an embodiment of a microwave oven according to the present invention.
- Figure 2 is a front elevational view of the microwave oven of Figure 1;
- FIG 3 is a schematic view of the air flow of the microwave oven of Figure 1.
- Figure 4 is another view of the microwave oven of Figure 1;
- FIG. 5 is a schematic view of the internal air flow of the microwave oven of Figure 1.
- Figure 6 is a right side view of the microwave oven of Figure 1;
- Figure 7 is a rear elevational view of the microwave oven of Figure 1;
- Figure 8 is a schematic view of the air flow on the rear side of the microwave oven of Figure 1.
- Label name Label name 100 Microwave oven 40 Air guide channel 10 shell 45 Electrical room 15 Inner shell 401 Baffle 20 Fan 103a Second air inlet 25 Electrical device 50 Hot air motor 101 Ger 55 Fixed plate 102 Back plate 551 Vent 103 Side panel 102a Third air inlet 104 Bottom plate 60 Partition 101a Opening 451 First chamber 101b First air inlet 452 Second chamber 101c Air outlet 601 Vents 30 Heating chamber 65 Door body 35 Cooling room
- the directional indication is only used to explain in a certain posture (as shown in the drawing)
- the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
- first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
- features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
- the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
- the existing microwave oven comprises a casing, an inner casing disposed inside the casing and a fan, the casing and the inner casing together forming a heating cavity, and a heat dissipation channel is formed between the casing and the inner casing.
- the air inlet of the heat dissipation channel is disposed at the front plate end of the outer casing
- the air outlet of the heat dissipation channel is disposed at the lower end of the front plate of the outer casing.
- FIG. 1 to FIG. 2 are schematic structural views of an embodiment of a microwave oven according to the present invention.
- FIG. 1 please refer to FIG. 1 , with OX forward right, OX negative left, OY forward, OY negative, and OZ forward On the top, take the negative direction of OZ.
- the microwave oven 100 is embedded in a wall, cabinet or other carrier. It includes a housing 10, an inner casing 15 and a fan 20. Generally, the microwave oven 100 further includes components such as an electric device 25, a motor (not shown), a turntable, and the like.
- the outer casing 10 includes a front plate 101, a rear plate 102, two side plates 103, a top plate (not shown), and a bottom plate 104. It should be noted that the front plate 101, the rear plate 102, the side plates 103, the top plate and the bottom plate 104 may be fixedly connected by welding, screw connection or other connection manner.
- the front plate 101 is provided with an opening 101a, and the lower end of the front plate 101 is provided with a first air inlet 101b and the upper end is provided with an air outlet 101c.
- the first air inlet 101b and the air outlet 101c may be ventilation structures such as a grille and a through hole.
- a filter (not shown) or other filtering structure may be provided at the first air inlet 101b and the air outlet 101c.
- the inner casing 15 is disposed in the outer casing 10 and together with the outer casing 10 constitutes a heating chamber 30 which is open at the front end for heating or baking food.
- a heat dissipation chamber 35 on the lower side of the inner casing 15 , an air guiding passage 40 on the left and right sides of the inner casing 15 , and an electric chamber 45 on the upper side of the inner casing 15 are formed between the outer casing 10 and the inner casing 15 .
- the electric compartment 45 is disposed in communication with the air outlet 101c of the front panel 101, the heat dissipation chamber 35 is in communication with the first air inlet 101b of the front panel 101, and the electrical compartment 45 is in communication with the heat dissipation chamber 35 through the two air guiding passages 40.
- the electric device 25 is mounted in the electric chamber 45, and the turntable is mounted in the heating chamber 30, and a motor (not shown) for driving the turntable is mounted in the heat radiating chamber 35.
- the fan 20 is mounted in the electrical room 45.
- the fan 20 is mainly used for driving external air into the heat dissipation chamber 35 from the first air inlet 101b of the front panel 101, enters the electrical chamber 45 through the two air guiding passages 40, and is discharged to the microwave oven 100 through the air outlet 101c of the front panel 101.
- the outside air enters the heat dissipation chamber 35, cools the motor installed in the heat dissipation chamber 35 and drives the rotation of the turntable; when the outside air enters the electric appliance chamber 45, the electric device 25 installed in the electric appliance chamber 45 is cooled.
- the fan 20 is a vortex fan, and the vortex fan has the advantages of low noise, low energy consumption, stable performance, convenient maintenance and the like.
- the outside air enters the microwave oven 100 from the first air inlet 101b of the front panel 101, and then removes most of the heat in the heat dissipation chamber 35 and the electric appliance chamber 45 during the discharge from the air outlet 101c of the front panel 101.
- the problem that the temperature of the outer casing 10 of the microwave oven 100 is excessively high is prevented from occurring.
- the air outlet 101c of the microwave oven 100 at the upper end of the front panel 101, it is possible to effectively prevent the hot air discharged from the air outlet 101c from being blown to the product located under the microwave oven 100, thereby avoiding a change in the shape and color of the product.
- the wind guiding plates 401 are disposed in the two air guiding passages 40.
- the air deflector 401 extends from the front to the rear and is inclined from the bottom to the top, so that the air guiding passage 40 is gradually expanded from the front to the rear.
- the air deflector 401 is mainly used to guide the wind in the air guiding passage 40 and the wind entering the air guiding passage 40 from the heat radiating chamber 35 to flow into the electric appliance chamber 45 from the bottom to the top. In this way, it is advantageous to increase the flow speed of the air, and further, it is advantageous to increase the heat dissipation speed of the microwave oven 100.
- the air enters the electrical chamber 45 through the heat dissipation chamber 35 and dissipates heat in the electrical chamber 45. Since the air passes through the heat dissipation chamber 35, most of the heat is absorbed, which causes the temperature of the air to rise and the temperature to rise. The latter air does not have a good cooling effect on the electrical chamber 45.
- one of the two side plates 103 of the outer casing 10 is provided with a second air inlet 103a that communicates with the corresponding air guiding passage 40. It should be noted that when the microwave oven 100 is embedded in a wall or a cabinet, the microwave oven 100 has a certain gap with the wall or the cabinet.
- the air between the wall and the side plate 103 is sucked into the air guiding passage 40 through the second air inlet 103a, and the air and the heat dissipation chamber 35 entering the air guiding passage 40 from the second air inlet 103a.
- the internal air is mixed, and further, the temperature of the air entering the electric chamber 45 can be effectively reduced, so that the electric device 25 in the electric chamber can be effectively cooled.
- the two side plates 103 of the outer casing 10 are each provided with a second air inlet 103a that communicates with the corresponding air guiding passage 40.
- the air on the left and right sides of the microwave oven 100 can enter the air guiding passage 40 through the corresponding second air inlet 103a.
- the amount of air entering the microwave oven 100 is increased, and the temperature of the air entering the electric chamber 45 from the air guiding passage 40 is further reduced, thereby facilitating the heat dissipation effect of the microwave oven 100.
- the microwave oven 100 in order to enable the microwave oven 100 to be more stably installed in a wall or a cabinet, the microwave oven 100 further includes two fixing plates 55 respectively disposed on the left and right sides of the front plate 101, and two fixed The plates 55 are fixedly connected to the wall or the cabinet, respectively.
- the two fixing plates 55 are provided with a vent 551.
- the air between the side plate 103 and the wall is sucked into the air guiding passage 40, the outside air enters between the side plate 103 and the wall through the vent 551 on the fixing plate 55, so that the side plate 103 and The air between the walls is always in a state of circulation, that is, there is always enough air between the wall and the side plates 103, which in turn facilitates heat dissipation of the microwave oven 100.
- the rear plate 102 is provided with a third air inlet 102a that communicates with the electrical chamber 45.
- the hot air module of the microwave oven 100 is installed at the rear of the heating chamber 30.
- the air between the wall and the outer casing 10 is driven by the fan 20 to enter the electric chamber 45 from the third air inlet 102a.
- the hot air motor 50 of the hot air assembly mounted on the rear plate 102 can be cooled; on the other hand, the air entering the electric appliance chamber 45 is increased, thereby improving the heat dissipation effect in the electric appliance chamber 45, and avoiding the electric appliances in the electric appliance chamber 45.
- the microwave oven 100 is not working properly due to the temperature being too high.
- the microwave oven 100 further includes a partition 60 disposed in the electrical compartment 45, the partition 60 separating the electrical compartment 45 into communication with the two air guiding passages 40.
- the first chamber 451 and the air outlet 101c are in communication with the second chamber 452.
- the partition 60 is provided with a venting hole 601 communicating with the first chamber 451 and the second chamber 452.
- the fan 20 is disposed in the first chamber 451. . When the fan 20 is started, the air in the two air guiding passages 40 is sucked into the first chamber 451, and the air in the first chamber 451 is driven into the second chamber 452 from the venting hole 601.
- the microwave oven 100 further includes a door body 60 rotatably connected to the front plate 101 for opening or closing the opening 101a of the front plate 101, that is, for heating or opening the microwave oven 100. Cavity 30.
- the door body 60 and the front plate 101 may be rotatably connected by a hinge, a rotating shaft or other structures.
- the door body 60 covers the opening 101a on the front panel 101 to seal the heating chamber 30, thereby further improving the efficiency of the microwave oven 100 for baking food; and, when the door body 60 covers the opening 101a on the front panel 101, the door
- the left and right sides of the body 60 are in clearance with the fixing plates 55 on the left and right sides of the front plate 101.
- the door body 60 is prevented from blocking the vent 551, so that the air between the side plate 103 and the wall is insufficient, and the microwave oven 100 is affected.
- the speed of heat dissipation is provided.
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Abstract
一种微波炉（100），包括外壳（10）、内壳（15）和风机（20）。外壳（10）包括设有开口（101a）的前板（101），前板（101）的下端设置第一进风口（101b）、上端设置有出风口（101c）；内壳（15）设于外壳（10）内，外壳（10）与内壳（15）之间形成有位于内壳（15）下侧并与出风口（101c）连通的散热室（35）、位于内壳（15）左右两侧的导风通道（40）以及位于内壳（15）上侧并与出风口（101c）连通的电器室（45），电器室（45）通过两导风通道（40）与散热室（35）连通；风机（20）安装在电器室（45）内。通过将微波炉（100）的出风口（101c）设置在前板（101）的上端，避免微波炉（100）排出的热风影响放置于微波炉（100）下方的产品。
Description
技术领域
本发明涉及家用电器技术领域，特别涉及一种微波炉。
背景技术
现有的微波炉包括外壳、设置于外壳内的内壳和风机，外壳与内壳共同构成加热腔，并且外壳与内壳之间形成散热通道。通常，散热通道的进风口设置于外壳的前板上端，散热通道的出风口设置于外壳的前板的下端。
微波炉在工作时，自进风口进入散热通道内的外部空气通过出风口排出，以带走微波炉内的部分热量。由于散热通道的出风口设于前板的下端，自出风口排出的热风会向放置于微波炉下方的产品吹去，进而会导致位于微波炉下方的产品的外形、颜色发生改变。
发明内容
本发明的主要目的是提出一种微波炉，旨在降低微波炉排出的热风对其他产品造成的影响。
为实现上述目的，本发明提出的微波炉，包括外壳、内壳和风机；其中，
所述外壳包括设有开口的前板，所述前板下端设有第一进风口，下端设有出风口；
所述内壳设置于所述外壳内，所述外壳与所述内壳之间形成有位于所述内壳下侧并与所述第一进风口连通的散热室、位于所述内壳左右两侧的导风通道、以及位于所述内壳上侧并与所述出风口连通的电器室，所述电器室通过两所述导风通道与所述散热室连通；
所述风机安装于所述电器室内。
优选地，所述第一进风口呈格栅状设置。
优选地，所述第一进风口设置有过滤网。
优选地，所述出风口呈格栅状设置。
优选地，所述出风口处设置有过滤网。
优选地，两所述导风通道内均设置导风板，所述导风板用于将所述导风通道内的风导向所述电器室。
优选地，所述导风板自前向后延伸并自下向上呈倾斜设置，使得所述导风通道自前向后呈渐扩设置。
优选地，所述外壳还包括位于所述前板后侧的后板、位于所述前板左右两侧的两侧板、位于所述前板顶侧的顶板以及位于所述前板底侧的底板，所述前板、所述后板、两所述侧板、所述顶板以及所述底板均通过焊接固定。
优选地，两所述侧板中的一侧板上设置有第二进风口。
优选地，两所述侧板均设置有第二进风口。
优选地，所述后板设置有连通所述电器室的第三进风口。
优选地，所述微波炉还包括两固定板，所述两固定板分别设于所述前板的左右两侧，且每一所述固定板上均设置通风口。
优选地，所述微波炉还包括门体，所述门体与所述前板转动连接，用于盖合所述前板上的开口。
优选地，所述门体左右两侧对应与所述前板的左右两侧的固定板间隙配合。
优选地，所述微波炉还包括设置于所述电器室内的隔板，所述隔板将所述电器室分隔成与所述两导风通道连通的第一腔室、以及与所述出风口连通的第二腔室，所述隔板上设有连通所述第一腔室和第二腔室的通风孔，所述风机设置于所述第一腔室内。
优选地，所述风机为涡流风机。
优选地，所述微波炉还包转盘，所述转盘安装于由所述内壳与所述外壳共同构成的加热腔内。
本发明技术方案通过将微波炉的进风口设置于前板的下端，将出风口设置于前板的上端，自进风口进入微波炉内的空气从出风口排出。如此，避免了微波炉排出的热风吹向放置于微波炉下方的产品，从而，降低了微波炉排出的热风对其他产品造成的影响。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明微波炉一实施例的结构示意图；
图2为图1中微波炉的主视图；
图3为图1中微波炉空气流动的示意图
图4为图1中微波炉的另一视图；
图5为图1中微波炉的内部空气流动示意图。
图6为图1中微波炉的右视图；
图7为图1中微波炉的后视图；
图8为图1中微波炉后侧的空气流动示意图。
附图标号说明：
| 标号 | 名称 | 标号 | 名称 |
| 100 | 微波炉 | 40 | 导风通道 |
| 10 | 外壳 | 45 | 电器室 |
| 15 | 内壳 | 401 | 导风板 |
| 20 | 风机 | 103a | 第二进风口 |
| 25 | 电器件 | 50 | 热风电机 |
| 101 | 前板 | 55 | 固定板 |
| 102 | 后板 | 551 | 通风口 |
| 103 | 侧板 | 102a | 第三进风口 |
| 104 | 底板 | 60 | 隔板 |
| 101a | 开口 | 451 | 第一腔室内 |
| 101b | 第一进风口 | 452 | 第二腔室内 |
| 101c | 出风口 | 601 | 通风孔 |
| 30 | 加热腔 | 65 | 门体 |
| 35 | 散热室 |
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
现有的微波炉包括外壳、设置于外壳内的内壳和风机，外壳与内壳共同构成加热腔，并且外壳与内壳之间形成散热通道。通常，散热通道的进风口设置于外壳的前板上端，散热通道的出风口设置于外壳的前板的下端。微波炉在工作时，散热通道的出风口向外排出热风，并且热风一直对着放置于微波炉下方的产品吹，会导致产品发生的形状、颜色发生改变。鉴于上述问题，本发明对微波炉的出风口作出改进，本发明提出一种微波炉，请参照图1至图2，图1至图2为本发明提供的微波炉的一实施例的结构示意图。
在本发明的实施例中，请参照图1，以OX的正向右，以OX的负向为左，以OY的正向为前，以OY的负向为后，以OZ的正向为上，以OZ的负向为下。
该微波炉100嵌入安装于墙体、橱柜或者其他载体内。其包括外壳10、内壳15和风机20。通常，微波炉100还包括电器件25、电机（未图示）、转盘等零部件。
该外壳10包括前板101、后板102、两侧板103、顶板（未图示）和底板104。需要说明的是，该前板101、后板102、两侧板103、顶板和底板104可以通过焊接、螺钉连接或者其他的连接方式固定连接。
该前板101设置有开口101a，并且，该前板101的下端设置有第一进风口101b、上端设置有出风口101c。可以理解的是，该第一进风口101b和出风口101c可以为格栅、通孔等通风结构。为了避免外界空气中的杂物进入微波炉100内，还可以于第一进风口101b和出风口101c处设置过滤网（未图示），或者其他过滤结构。
该内壳15设于外壳10内，并与外壳10共同构成前端敞开的加热腔30，该加热腔30用于加热或者烘烤食物。该外壳10与内壳15之间形成有位于内壳15下侧的散热室35、位于内壳15左右两侧的导风通道40、以及位于内壳15上侧的电器室45。电器室45与前板101的出风口101c连通设置，散热室35与前板101的第一进风口101b连通设置，并且，电器室45通过两导风通道40与散热室35连通。电器件25安装于电器室45内，转盘安装于加热腔30内，用于驱动转盘转动的电机（未图示）安装于散热室35内。
风机20安装于电器室45内。该风机20主要用于驱动外部空气自前板101的第一进风口101b进入散热室35内，并通过两导风通道40进入电器室45内，再通过前板101的出风口101c排至微波炉100外。外部空气进入散热室35内，冷却安装于散热室35内并用于驱动转盘转动的电机；外部空气进入电器室45内时，冷却安装于电器室45内的电器件25。
优选地，该风机20为涡流风机，涡流风机具有噪音低、耗能低、性能稳定，维修方便等优点。
请参照图3，外部空气自前板101的第一进风口101b进入微波炉100内，再从前板101的出风口101c排出的过程中，带走了散热室35和电器室45内的大部分热量，从而，避免了微波炉100的外壳10温度过高的问题发生。并且，将微波炉100的出风口101c设置于前板101的上端，能够有效地避免自出风口101c排出的热风正对位于微波炉100下方的产品吹，从而避免了该产品的外形、颜色发生改变。
请参照图4，为了使两导风通道40内的风更快的流向电器室45内，两导风通道40内均设置导风板401。优选地，该导风板401自前向后延伸并自下向上呈倾斜设置，以使得导风通道40自前向后呈渐扩设置。导风板401主要用于导引导风通道40内的风和自散热室35进入导风通道40内的风自下向上流入电器室45内。如此，有利于提高空气的流动速度，进而，有利于提高微波炉100的散热速度。
请参照图5，空气经过散热室35进入电器室45内并对电器室45内的进行散热，由于空气通过散热室35时会吸走大部分热量，会使得空气的温度升高，温度升高后的空气对电器室45的冷却效果不佳。为了对电器室45进行有效的冷却，该外壳10的两侧板103中的一侧板103设置有连通对应的导风通道40的第二进风口103a。需要说明的是，微波炉100嵌入安装于墙体或橱柜中时，微波炉100与墙体或橱柜之间具有一定的间隙。风机20在启动工作时，会将墙体与侧板103之间的空气通过第二进风口103a吸入导风通道40内，自第二进风口103a进入导风通道40内的空气与散热室35内的空气混合，进而，能够有效地降低进入电器室45内的空气的温度，从而，能够有效地对电气室内的电器件25进行冷却。
请参照图6，为了进一步地提高微波炉100的散热效果，该外壳10的两侧板103均设置有连通对应的导风通道40的第二进风口103a。微波炉100左右两侧的空气均可通过对应的第二进风口103a进入导风通道40内。如此，增加了进入微波炉100内的风量，进一步地降低了从导风通道40进入电器室45内的空气的温度，从而，有利于提高微波炉100的散热效果。请参照图1，为了使微波炉100能够更稳固的安装于墙体或橱柜中，该微波炉100还包括两固定板55，两固定板55分别设于前板101的左右两侧，并且，两固定板55分别与墙体或者橱柜固定连接。
为了保证两侧板103与墙体之间具有足够多的空气从第二进风口103a进入导风通道40内，两固定板55均开设有通风口551。在侧板103与墙体之间的空气被吸入至导风通道40内时，外部的空气通过固定板55上的通风口551进入侧板103与墙体之间，如此，使得侧板103与墙体之间的空气始终保持流通状态，也即墙体与侧板103之间始终有足够的空气，进而，有利于微波炉100的散热。
请参照图7和图8，为了提高微波炉100的散热效果，该后板102设置有连通电器室45的第三进风口102a。微波炉100的热风组件安装在加热腔30的后方，风机20开启时，墙体与外壳10之间的空气经风机20的驱动而从第三进风口102a进入电器室45内，如此，一方面，可以冷却安装在后板102上的热风组件的热风电机50；另一方面，增加了进入电器室45内的空气，进而，提高了电器室45内的散热效果，避免了电器室45内的电器件25因温度过高而导致微波炉100无法正常工作。
需要说明的是，自固定板55的通风口551进入侧板103与墙体之间的空气一部分通过第二进风口103a进入导风通道40内，一部分沿外壳10流动至后板102，并从后板102上方的第三进风口102a进入到电器室45内。如此，既有效地冷却了热风电机50，又保证了有足够的空气自第二进风口103a和第三进风口102a进入微波炉100内，从而，有利于提高微波炉100的散热速度。
请参照图1，为了提高通过电器室45的空气的流动速度，该微波炉100还包括设置于电器室45内的隔板60，该隔板60将电器室45分隔成与两导风通道40连通第一腔室451和与出风口101c连通第二腔室452，隔板60上设有连通第一腔室451和第二腔室452的通风孔601，风机20设置于第一腔室451内。风机20启动工作时，将两导风通道40内的空气吸入第一腔室451内，并驱动第一腔室451内的空气从通风孔601进入第二腔室452内。需要说明的是，空气自较大的空间进入较小的空间时，其速度会得到提高；也即，第一腔室451内的空气通过通风孔601时，其速度得到提高，从而，加速了空气通过电器件25而排至外界。如此，有利于对第二腔室452内的电器件25进行散热，进而有利于延长电器件25的工作寿命。
请参照图1，该微波炉100还包括门体60，该门体60与前板101转动连接，用于打开或者封盖前板101的开口101a，也即用于打开或者封盖微波炉100的加热腔30。需要说明的是，门体60与前板101可采用铰链、转轴或者其他结构转动连接。门体60盖合前板101上的开口101a，以密封加热腔30，进而，有利于提高微波炉100烘烤食物的效率；并且，门体60在盖合前板101上的开口101a时，门体60左右两侧与前板101的左右两侧的固定板55间隙配合，如此，避免了门体60封堵通风口551，使得侧板103与墙体之间的空气不足，而影响微波炉100的散热速度。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。
Claims (17)
- 一种微波炉，其特征在于，包括外壳、内壳和风机；其中，所述外壳包括设有开口的前板，所述前板下端设有第一进风口，上端设有出风口；所述内壳设置于所述外壳内，所述外壳与所述内壳之间形成有位于所述内壳下侧并与所述第一进风口连通的散热室、位于所述内壳左右两侧的导风通道、以及位于所述内壳上侧并与所述出风口连通的电器室，所述电器室通过两所述导风通道与所述散热室连通；所述风机安装于所述电器室内。
- 如权利要求1所述的微波炉，其特征在于，所述第一进风口呈格栅状设置。
- 如权利要求2所述的微波炉，其特征在于，所述第一进风口设置有过滤网。
- 如权利要求1所述的微波炉，其特征在于，所述出风口呈格栅状设置。
- 如权利要求4所述的微波炉，其特征在于，所述出风口处设置有过滤网。
- 如权利要求1所述的微波炉，其特征在于，两所述导风通道内均设置有导风板，所述导风板用于将所述导风通道内的风导向所述电器室。
- 如权利要求6所述的微波炉，其特征在于，所述导风板自前向后延伸并自下向上呈倾斜设置，使得所述导风通道自前向后呈渐扩设置。
- 如权利要求1所述的微波炉，其特征在于，所述外壳还包括位于所述前板后侧的后板、位于所述前板左右两侧的两侧板、位于所述前板顶侧的顶板以及位于所述前板底侧的底板，所述前板、所述后板、两所述侧板、所述顶板以及所述底板均通过焊接固定。
- 如权利要求8所述的微波炉，其特征在于，两所述侧板中的一侧板上设置有第二进风口。
- 如权利要求9所述的微波炉，其特征在于，两所述侧板均设置有第二进风口。
- 如权利要求8所述的微波炉，其特征在于，所述后板设置有连通所述电器室的第三进风口。
- 如权利要求1所述的微波炉，其特征在于，所述微波炉还包括两固定板，所述两固定板分别设于所述前板的左右两侧，且每一所述固定板上均设置通风口。
- 如权利要求12所述的微波炉，其特征在于，所述微波炉还包括门体，所述门体与所述前板转动连接，用于盖合所述前板上的开口。
- 如权利要求13所述的微波炉，其特征在于，所述门体左右两侧对应与所述前板的左右两侧的固定板间隙配合。
- 如权利要求1所述的微波炉，其特征在于，所述微波炉还包括设置于所述电器室内的隔板，所述隔板将所述电器室分隔成与两所述导风通道连通的第一腔室、以及与所述出风口连通的第二腔室，所述隔板上设有连通所述第一腔室和第二腔室的通风孔，所述风机设置于所述第一腔室内。
- 如权利要求1所述的微波炉，其特征在于，所述风机为涡流风机。
- 如权利要求1所述的微波炉，其特征在于，所述微波炉还包转盘，所述转盘安装于由所述内壳与所述外壳共同构成的加热腔内。
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