WO2018103256A1 - 烹饪装置 - Google Patents

烹饪装置 Download PDF

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Publication number
WO2018103256A1
WO2018103256A1 PCT/CN2017/082519 CN2017082519W WO2018103256A1 WO 2018103256 A1 WO2018103256 A1 WO 2018103256A1 CN 2017082519 W CN2017082519 W CN 2017082519W WO 2018103256 A1 WO2018103256 A1 WO 2018103256A1
Authority
WO
WIPO (PCT)
Prior art keywords
baffle
cavity
air
air outlet
outer cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/082519
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English (en)
French (fr)
Inventor
韩大成
安明波
张明
李维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2018103256A1 publication Critical patent/WO2018103256A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/006—Fire prevention, containment or extinguishing specially adapted for particular objects or places for kitchens or stoves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04—Heating using microwaves

Definitions

  • the invention relates to the technical field of kitchen appliances, and in particular to a cooking device.
  • a prior art cooking apparatus such as a microwave oven, generally includes a cavity 100 and a cover 200 disposed outside the cavity, and a cavity 101 for heating food is disposed in the cavity 100.
  • the air outlet 301 is disposed in the body 100
  • the air outlet 302 is disposed in the outer cover 200
  • the air guiding cover 300 is disposed on the outer side wall of the cavity 100 where the air outlet 301 is located.
  • the outer wall structure of the air guiding cover 300 and the cavity 100 The air guiding channel 303 is connected, and the air guiding channel 303 is in communication with the cavity air outlet 301 and the outer cover air outlet 302, respectively.
  • the air guiding channel 303 formed by the prior art air guiding hood 300 adopts a penetrating structure.
  • the flame can pass directly from the cavity 101 through the cavity air outlet 301, the air guiding channel 303 and the outer cover air outlet 302.
  • the direction of gas flow is as indicated by the arrow in Figure 1
  • a protective cover 400 is disposed on the outer wall of the outer cover 200.
  • the flame still protrudes outside the microwave oven, and there is still a safety hazard.
  • the present invention provides a cooking apparatus comprising:
  • the cover is provided with a cover air outlet communicating with the outside;
  • a cavity embedded in the outer cover for accommodating food to be cooked, and the cavity is provided with a cavity air outlet;
  • the air guiding member is disposed at the air outlet of the cavity, and communicates with the air outlet of the cavity and the air outlet of the outer cover to form an air flow passage;
  • a baffle member is disposed in the air flow passage for causing a flow of gas from the air outlet of the cavity to be in a flow direction of the air flow passage.
  • the baffle member includes a first baffle plate and a second baffle plate, and the first baffle plate and the second baffle plate are respectively disposed on opposite sides of the air flow channel, and The first baffle and the second baffle are alternately arranged.
  • the baffle further includes a baffle plate, and the baffle plate is adjacent to the first baffle plate and the second baffle plate, and the baffle plate is provided with a wind guiding hole.
  • the air outlet of the cavity is disposed on a top plate of the cavity
  • the air outlet of the outer cover is disposed on a side plate of the outer cover
  • the first baffle and the second baffle are respectively disposed at the The upper and lower sides of the air flow passage.
  • first baffle, the second baffle and the baffle are one, forming Font structure.
  • the baffle is connected to the air guiding member by a buckle.
  • the air guiding member comprises a bottom plate, two long side plates connected to the long side of the bottom plate, and a wide side plate connected to the wide side of the bottom plate, wherein the air guiding member is fastened in the cavity
  • the outer side wall of the body and the inner side wall of the outer cover, and the outer side wall of the cavity and the inner side wall of the outer cover form the air flow passage.
  • the air guiding member is connected to the outer side wall of the cavity by a buckle.
  • the outer side wall of the outer cover is provided with a protective cover at a position of the air outlet of the outer cover.
  • the cooking device is a microwave oven.
  • the cooking device comprises: a cover, a cavity, a wind guiding member and a baffle; the outer cover is provided with a cover air outlet communicating with the outside; the cavity is embedded in the outer cover for accommodating the food to be cooked,
  • the cavity body is provided with a cavity air outlet;
  • the air guiding member is disposed at the air outlet of the cavity, and communicates with the air outlet of the cavity and the air outlet of the outer cover to form an air flow passage;
  • the baffle is located in the air flow passage for The flow of gas from the air outlet of the cavity is in the direction of flow of the air flow passage.
  • a baffle member is provided in the air flow passage for allowing the gas coming out from the air outlet of the cavity to flow in multiple times.
  • the baffle When the food in the cavity is accidentally caught, the baffle extends the flow path of the gas. At the same time, the flame collides with the baffle in the process of multiple baffles, so that it is completely extinguished, and does not smash the external igniting of the external articles, thereby eliminating the problem of fire safety hazard caused by the fire in the cavity.
  • Figure 1 is a cross-sectional view of a prior art microwave oven
  • Figure 2 is a cross-sectional view showing the microwave oven of the first embodiment of the cooking apparatus of the present invention
  • Figure 3 is an enlarged view of a portion I of Figure 2;
  • Figure 4 is a perspective view showing the three-dimensional structure of the air guiding member of the microwave oven of the first embodiment of the cooking apparatus of the present invention
  • Fig. 5 is a perspective view showing the three-dimensional structure of the baffle member of the microwave oven of the first embodiment of the cooking apparatus of the present invention.
  • 100 cavity; 101: chamber; 200: outer cover; 300: air hood; 400: protective cover; 301: cavity air outlet; 302: outer cover air outlet; 303: air guiding channel; Body; 2: outer cover; 3: air guiding member; 31: bottom plate; 32: long side plate; 33: wide side plate; 4: air flow passage; 5: baffle; 51: first baffle; Second baffle; 6: baffle plate; 61: air guiding hole; 7: cavity air outlet; 8: outer cover air outlet; 9: protective cover; 11: chamber.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected integrally; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be internal to both components Connected.
  • Connected, or connected integrally can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be internal to both components Connected.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the cooking apparatus of the present embodiment takes a microwave oven as an example.
  • the microwave oven includes an outer cover 2, a cavity 1, a wind guide 3, and a baffle 5.
  • the side wall of the outer cover 2 is provided with a cover air outlet 8 communicating with the outside.
  • the outer cover 2 is manufactured by, but not limited to, stamping with a metal sheet, and is generally manufactured to form a crucible structure.
  • the cavity 1 is embedded in the outer cover from the lower end opening of the outer cover 2, and the top of the cavity 1 is at a certain distance from the outer cover 2, and is constructed together with the outer cover. A space for installing electrical parts and air hoods.
  • the cavity 1 is embedded in the outer cover 2 for accommodating the food to be cooked, and the cavity 1 is provided with a cavity air outlet 7.
  • the chamber 1 is constructed with a chamber 11 for containing food to be cooked, the chamber 1 being generally constructed as a box structure having an open front side, the door body being mounted on the front side of the chamber for opening and closing the chamber 11 .
  • the chamber air outlet 7 is used to communicate the space in which the chamber 11 is constructed together with the outer cover 2 and the cavity 1.
  • the air guiding member 3 is disposed at the air outlet 7 of the cavity, and communicates with the air outlet 7 of the cavity and the air outlet 8 of the outer cover to form an air flow passage 4.
  • the food in the chamber 11 of the cavity 1 generates water vapor and soot during the heating process, and the air with water vapor and soot in the chamber 11 is discharged from the air outlet 7 of the cavity, and passes through The air flow passage 4 is discharged from the outer cover air outlet 8 to the outside of the microwave oven. Thereby the food in the chamber 11 is kept clearly visible outside the door.
  • the baffle 5 is located in the air flow passage 4 for making the flow of gas from the air outlet 7 of the cavity in the direction of flow of the air flow passage 4 in a baffle direction.
  • the air flow passage 4 of the present invention is provided with a baffle 5 for making the flow of gas from the air outlet 7 of the cavity in the flow direction of the air flow passage 4 a baffle direction.
  • a baffle 5 for making the flow of gas from the air outlet 7 of the cavity in the flow direction of the air flow passage 4 a baffle direction.
  • the baffle direction may be a square wave baffle direction, a spiral baffle direction, an S-shaped baffle direction, or a labyrinth baffle direction.
  • the baffle 5 includes a first baffle 51 and a second baffle 52.
  • the first baffle 51 and the second baffle 52 are respectively disposed on opposite sides of the air flow channel, and
  • the first baffle 51 and the second baffle 52 are alternately arranged to form a channel in the baffle direction between the first baffle 51 and the second baffle 52.
  • the air flow passage 4 is constructed as a gas passage in a square wave baffle direction.
  • the air flow passage in the direction of the square wave baffle in addition to the length of the extended air flow passage, can also cause the flame in the air to hit the baffle during the flow, so that the flame is quickly extinguished.
  • the air flow channel in the direction of the square wave baffle has good gas flowability, and the flame is extinguished thoroughly, and the air flow performance is taken into consideration in the case where the flame is extinguished.
  • the baffle 5 further includes a baffle 6 that connects the adjacent first baffle 51 and the second baffle 52, and the baffle 6 A guide hole 61 is provided.
  • the first baffle 51 and the second baffle 52 are connected by a baffle 6 to form a baffle of a unitary structure, which is convenient for installation.
  • the baffle member of the unitary structure is attached to the air guiding member 3 by a snap, or the baffle member of the unitary structure is mounted and connected to the outer side wall of the cavity 1 by a buckle.
  • the first baffle 51, the second baffle 52, and the baffle 6 are each formed. Font structure. As shown in FIG. 5, the baffle 5 is connected to the air guiding member 3 by a snap. In this embodiment, the baffle 5 formed by using a first baffle 51 and a second baffle 52 can make the air baffle twice in the air flow passage, so that the flame can be completely extinguished in the air flow passage. Can not pull out the cover.
  • the air outlet 7 of the cavity is disposed on the top plate of the cavity 1, and the air outlet 8 of the outer cover is disposed on the side plate of the outer cover 2, and the first baffle 51 and the second baffle 52 respectively It is provided on the upper side and the lower side of the air flow passage.
  • the chamber air outlet 7 is disposed on the top plate of the cavity 1 to facilitate rapid escape of hot air from the chamber 11 of the cavity 1.
  • the air outlet 8 of the outer cover is disposed on the side plate of the outer cover 2, and the gas is discharged from the cavity. After the air outlet 7 flows out, it starts to flow in the horizontal direction, which is beneficial to prolonging the flow time of the hot air in the air flow passage, and can reduce the risk of fire out.
  • the air changes a 90 degree direction between the air outlet 7 and the air flow passage 4, and the two directions change 90 degrees under the action of the baffle, and between the air flow passage 4 and the outer air outlet 8
  • a 90 degree change in direction occurs, that is, the air undergoes four 90 degree bucks during the flow, which ensures that the flame in the air is completely extinguished.
  • the air guiding member 3 includes a bottom plate 31, two long side plates 32 connected to the long sides of the bottom plate 31, and a wide side plate 33 connected to the wide side of the bottom plate 31.
  • the air guiding member 3 is fastened to the outer side wall of the cavity 1 and the inner side wall of the outer cover 2, and the air guiding member 3 and the outer side wall of the inner casing 1 and the inner side wall of the outer casing 2 constitute the air guiding chamber 4.
  • the air guiding member 3 in this embodiment has two sides of the top surface and the short side surface, and the two surface openings are respectively in contact with the outer side wall of the cavity 1 and the inner side wall of the outer cover 2 to form an air flow passage.
  • the utility model has the advantages of simple structure and convenient assembly, and saves materials.
  • the air guiding member 3 is manufactured by using, but not limited to, stamping with a steel plate to reduce cost.
  • the air guiding member 3 is connected to the outer side wall of the cavity 1 by a buckle, so that the structure of the air guiding member is simple and convenient to operate.
  • outer side wall of the outer cover 2 is located at the position of the air outlet 8 of the outer cover, and a protective cover 9 is provided, and a protective cover is provided to further improve safety.
  • the present embodiment exemplifies a technical solution in which both the first baffle and the second baffle are one.
  • the two baffles directly constitute two baffles.
  • the solution of providing a first baffle plate and a second baffle plate can achieve the effect of completely extinguishing the flame.
  • a plurality of first baffles and/or a plurality of second baffles may be disposed by a person skilled in the art according to actual needs to meet actual needs.
  • the microwave oven further includes a chassis, a microwave generator, a control circuit board, and the like.
  • a chassis a microwave generator, a control circuit board, and the like.
  • the microwave oven of the present invention does not require a chassis. , microwave generator, control circuit board and other structures.
  • the present embodiment is substantially the same as the first embodiment.
  • the air outlet of the cavity is disposed on the rear side plate of the cavity 1
  • the air outlet of the outer cover is disposed on the side plate of the outer cover
  • the first baffle and the second baffle are respectively disposed on the front side of the air flow channel.
  • the air flow passage forms a square wave baffle direction in the horizontal direction.
  • the present embodiment is substantially the same as the first embodiment.
  • the air outlet of the cavity is disposed on the top plate of the cavity 1
  • the air outlet of the outer cover is disposed on the top plate of the outer cover
  • the baffle is disposed in the air flow passage to form a baffle in the vertical direction to reduce gas escape. The speed, and the flame in the gas is in contact with the wall surface of the air flow passage to cool down.
  • the air guiding member is a cylindrical structure
  • the baffle member is a spiral baffle
  • the spiral baffle is disposed in the air guiding member to configure the air flow passage to be in a spiral baffle direction.
  • the gas flowing out of the cavity flows in the spiral flow direction in the air flow passage
  • the flow time of the gas in the air flow passage is long
  • the flame contacts the wall surface of the air flow passage to conduct heat, so that the flame is extinguished.
  • the air spirally flows and the fluidity is good, but there is a risk that the flame may not be completely extinguished. Therefore, it is generally required to make the passage longer and occupy more space.
  • the flame is extinguished well, but it is not conducive to gas escape.
  • the air flow passage in the S-shaped baffle direction is close to the square wave flow direction, but the flame extinguishing effect cannot reach the air flow passage in the direction of the square wave flow.
  • the cooking device of the present invention may also be an oven or an oven.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
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Abstract

本发明涉及厨房电器技术领域，公开了一种烹饪装置，包括：外罩、腔体、导风件和折流件，外罩上设有与外部相连通的外罩出风口；腔体嵌入在的外罩内，用于容纳待烹饪食物，腔体上设有腔体出风口；导风件罩设在腔体出风口处，并连通腔体出风口和外罩出风口，以形成空气流动通道；折流件位于空气流动通道内，用以使从腔体出风口出来的气体在空气流动通道的流动方向为折流方向。本发明由于在空气流动通道内设有能够使从腔体出风口出来的气体多次折流流动的折流件，当腔体内的食物因意外起火时，折流件延长了气体的流动路径，同时火苗在多次折流过程中碰撞折流件，从而完全熄灭，不会窜到外部引燃外部的物品，消除了腔体中的火苗从腔体内窜出引起火灾的安全隐患的问题。

Description

烹饪装置
交叉引用
本申请引用于2016年12月09日提交的专利名称为“烹饪装置”的第2016111296874号中国专利申请，其通过引用被全部并入本申请。
技术领域
本发明涉及厨房电器技术领域，特别是涉及一种烹饪装置。
背景技术
如图1所示，现有技术的烹饪装置，例如：微波炉，一般包括腔体100和罩设于腔体外部的外罩200，在腔体100中设置用于加热食物的腔室101，在腔体100设置腔体出风口301，在外罩200设置外罩出风口302，在腔体出风口301所在的腔体100的外侧壁设置导风罩300，导风罩300与腔体100的外侧壁构造出导风通道303，导风通道303分别与腔体出风口301及外罩出风口302连通。在加热食物的过程中，腔室101内的热空气及水蒸气通过腔体100的腔体出风口301排出腔室101，然后通过导风通道303，从外罩200的外罩出风口302排出微波炉。
当用户操作不当或微波炉存在异常时，食物加热时间过长或腔体温度过高容易导致腔室101内的食物起火。现有技术的导风罩300形成的导风通道303采用贯穿式的结构，当腔体内起火时，火苗能从腔室101内通过腔体出风口301、导风通道303及外罩出风口302直接窜至微波炉外(气体流动方向如图1中箭头指示的方向)，引燃微波炉外其他物体，存在安全隐患。
如图1所示，现有技术中，为了消除安装隐患，在外罩200的外壁设置防护罩400，但是现有技术中，火苗还是会窜到微波炉外，仍然存在安全隐患。
发明内容
(一)要解决的技术问题
本发明的目的是提供一种烹饪装置，解决现有技术存在的火苗窜至烹饪装置外的安全隐患。
(二)技术方案
为了解决上述技术问题，本发明提供一种烹饪装置，包括：
外罩，所述外罩上设有与外部相连通的外罩出风口；
腔体，所述腔体嵌入在所述的外罩内，用于容纳待烹饪食物，所述腔体上设有腔体出风口；
导风件，所述导风件罩设在所述腔体出风口处，并连通腔体出风口和外罩出风口，以形成空气流动通道；以及
折流件，所述折流件位于所述空气流动通道内，用以使从腔体出风口出来的气体在空气流动通道的流动方向为折流方向。
其中，所述折流件包括第一折流板和第二折流板，所述第一折流板和所述第二折流板分别设于所述空气流动通道内相对的两侧，且所述第一折流板和所述第二折流板间隔交错排列。
其中，所述折流件还包括折流连板，所述折流连板连接相邻所述第一折流板和第二折流板，所述折流连板设有导风孔。
其中，所述腔体出风口设于所述腔体的顶板，所述外罩出风口设于所述外罩的侧板，所述第一折流板和所述第二折流板分别设于所述空气流动通道的上侧和下侧。
其中，所述第一折流板、所述第二折流板和所述折流连板均为一个，构成
Figure PCTCN2017082519-appb-000001
字型结构。
其中，所述折流件通过卡扣与所述导风件连接。
其中，所述导风件包括底板、两个与所述底板的长边连接的长侧板以及一个与所述底板的宽边连接的宽侧板，所述导风件扣装于所述腔体的外侧壁和外罩的内侧壁，且与所述腔体的外侧壁及和所述外罩的内侧壁构造出所述空气流动通道。
其中，所述导风件通过卡扣与所述腔体的外侧壁连接。
其中，所述外罩的外侧壁位于所述外罩出风口位置设有防护罩。
其中，所述烹饪装置为微波炉。
(三)有益效果
本发明提供的烹饪装置，包括：外罩、腔体、导风件和折流件，外罩上设有与外部相连通的外罩出风口；腔体嵌入在的外罩内，用于容纳待烹饪食物，腔体上设有腔体出风口；导风件罩设在腔体出风口处，并连通腔体出风口和外罩出风口，以形成空气流动通道；折流件位于空气流动通道内，用以使从腔体出风口出来的气体在空气流动通道的流动方向为折流方向。本发明由于在空气流动通道内设有能够使从腔体出风口出来的气体多次折流流动的折流件，当腔体内的食物因意外起火时，折流件延长了气体的流动路径，同时火苗在多次折流过程中碰撞折流件，从而完全熄灭，不会窜到外部引燃外部的物品，消除了腔体中的火苗从腔体内窜出引起火灾的安全隐患的问题。
附图说明
图1为现有技术的微波炉的剖视图；
图2为本发明烹饪装置的实施例1的微波炉的剖视图；
图3为图2中I部分的放大图；
图4为本发明烹饪装置的实施例1的微波炉的导风件立体结构；
图5为本发明烹饪装置的实施例1的微波炉的折流件的立体结构。
图中，100：腔体；101：腔室；200：外罩；300：导风罩；400：防护罩；301：腔体出风口；302：外罩出风口；303：导风通道；1：腔体；2：外罩；3：导风件；31：底板；32：长侧板；33：宽侧板；4：空气流动通道；5：折流件；51：第一折流板；52：第二折流板；6：折流连板；61：导风孔；7：腔体出风口；8：外罩出风口；9：防护罩；11：腔室。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的 连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
实施例1
如图2至5所示，本实施例的烹饪装置，以微波炉为例，微波炉包括：外罩2、腔体1、导风件3以及折流件5。
外罩2的侧壁上设有与外部相连通的外罩出风口8。外罩2采用但不限于采用铁皮冲压制造而成，一般制造形成冂型结构，腔体1从外罩2的下端开口中嵌入外罩中，腔体1的顶部距离外罩2一定的距离，与外罩共同构造出一个用于安装电气件、导风罩的空间。
腔体1嵌入在外罩2内，用于容纳待烹饪食物，腔体1上设有腔体出风口7。
腔体1构造有用于容纳待烹饪的食物的腔室11，腔体1一般构造成前侧面为敞口的箱体结构，门体安装于腔体的前侧面，用于打开和关闭腔室11。腔体出风口7用于连通腔室11与外罩2和腔体1共同构造出的空间。
导风件3罩设在腔体出风口7处，并连通腔体出风口7和外罩出风口8，以形成空气流动通道4。
微波炉在使用过程中，腔体1的腔室11内的食物在加热过程中会产生水蒸气及油烟，腔室11内的带有水蒸气和油烟的空气从腔体出风口7排出，并经过空气流动通道4，从外罩出风口8处排出到微波炉外部。从而保持腔室11内食物在门体外部清晰可见。
折流件5位于空气流动通道4内，用以使从腔体出风口7出来的气体在空气流动通道4的流动方向为折流方向。
如图2和3所示，本发明的空气流动通道4设有折流件5，折流件5用以使从腔体出风口7出来的气体在空气流动通道4的流动方向为折流方向。当腔体11内的食物过度烹饪变干从而意外起火时，腔室11中形成火苗，火苗随空气从腔室11通过腔体出风口7进入空气流动通道4，气体在腔体出风口7至外罩出风口8之间发生了多次折流流动(气体流动方向如图2和3中箭头所指示的方向)，最终从外罩出风口8中排出外罩2，折流件5的设置一方面延长了带有火苗的气体的流动路径，同时火苗在多次折流过程中碰撞折流件。经过实验证明，火苗经过两次90度弯道的折流 就完全熄灭。在微波炉的空气流动通道设置折流件构成的折流方向的流动方式能够使火苗在空气流动通道4中完全熄灭，不会窜到微波炉外罩之外引燃微波炉外的物品，消除了腔体中的火苗窜出外罩外引起火灾的安全隐患的问题。
折流方向可以为方波形折流方向、螺旋折流方向、S形折流方向或者迷宫形折流方向。
本实施例中，折流件5包括第一折流板51和第二折流板52，第一折流板51和第二折流板52分别设于空气流动通道内相对的两侧，且第一折流板51和第二折流板52间隔交错排列，以在第一折流板51和第二折流板52之间形成折流方向的通道。采用本方式的折流件5，将空气流动通道4构造成方波形折流方向的气体通道。方波形折流方向的空气流动通道，除了具有延长空气流动通道的长度外，还能使空气中的火苗在流动过程中撞击折流板，使火苗快速熄灭。方波形折流方向的空气流动通道气体流动性好，火苗熄灭彻底，在火苗熄灭的情况下兼顾空气流动性能。
进一步的，本实施例中，如图5所示，折流件5还包括折流连板6，折流连板6连接相邻第一折流板51和第二折流板52，折流连板6设有导风孔61。通过折流连板6将第一折流板51和第二折流板52连接为一体结构的折流件，方便于安装。该一体结构的折流件通过卡扣安装于导风件3，或者该一体结构的折流件通过卡扣与腔体1的外侧壁安装连接。
本实施例中，第一折流板51、第二折流板52和折流连板6均为一个，构成
Figure PCTCN2017082519-appb-000002
字型结构。如图5所示，折流件5通过卡扣与导风件3连接。本实施例中采用一个第一折流板51和一个第二折流板52构成的折流件5能够使空气在空气流动通道中形成两次折流，能使火苗在空气流动通道中全部熄灭，无法窜出外罩。
如图2所示，本实施例中，腔体出风口7设于腔体1的顶板，外罩出风口8设于外罩2的侧板，第一折流板51和第二折流板52分别设于空气流动通道的上侧和下侧。将腔体出风口7设在腔体1顶板上，有利于热空气快速从腔体1的腔室11内逸出，同时，将外罩出风口8设于外罩2的侧板，气体从腔体出风口7流出后，开始沿水平方向流动，有利于延长热空气在空气流动通道中流动时间，能够减少火苗窜出的风险。本实施例中， 空气在腔体出风口7与空气流动通道4之间发生一次90度的方向改变，在折流件的作用下发生两次90度改变方向，在空气流动通道4与外罩出风口8之间又发生一次90度的方向改变，即空气在流动过程中经过四次90度的折流，能够保证空气中的火苗完全熄灭。
如图2和4所示，本实施例中，导风件3包括底板31、两个与底板31的长边连接的长侧板32以及一个与底板31的宽边连接的宽侧板33，导风件3扣装于腔体1的外侧壁和外罩2的内侧壁，且导风件3与内壳体1的外侧壁及和外壳体2的内侧壁构造出导风室4。本实施例中的导风件3具有顶面和短边侧面的两面敞口，该两面敞口分别与腔体1的外侧壁和外罩2的内侧壁接触贴合，形成空气流动通道。具有结构简单、装配方便的优点，且节省材料。优选的，该导风件3采用但不限于采用钢板冲压制造，降低成本。
优选的，导风件3通过卡扣与腔体1的外侧壁连接，使得导风件的结构简单，操作方便。
进一步的，外罩2的外侧壁位于外罩出风口8位置设有防护罩9，设置防护罩，进一步提升安全性。
需要说明的是，本实施例例举了第一折流板和第二折流板均为一个的技术方案，从图2中可以看出，两个折流板直接构成了两次折流，设置一个第一折流板和一个第二折流板的方案即能够实现使火苗完全熄灭的效果。当然，本领域技术人员根据实际需要还可以设置多个第一折流板和/或多个第二折流板，以满足实际需求。
需要说明的是，本领域技术人员容易理解微波炉还包括底盘、微波发生器、控制电路板等结构，为了描述的简要，本文在描述过程中予以省略，并不能理解为本发明的微波炉不需要底盘、微波发生器、控制电路板等结构。
实施例2
本实施例与实施例1基本相同，为了描述的简要，在本实施例的描述过程中，不再描述与实施例1相同的技术特征，仅说明本实施例与实施例1不同之处：本实施例中，腔体出风口设于腔体1的后侧板，外罩出风口设于外罩的侧板，第一折流板和第二折流板分别设于空气流动通道的前侧 和后侧，使空气流动通道在水平方向形成方形波折流方向。
实施例3
本实施例与实施例1基本相同，为了描述的简要，在本实施例的描述过程中，不再描述与实施例1相同的技术特征，仅说明本实施例与实施例1不同之处：本实施例中，腔体出风口设于腔体1的顶板，外罩出风口设于外罩的顶板，折流件设于空气流动通道中，在竖直方向上形成折流前进，降低气体逸出的速度，且气体中的火苗与空气流动通道的壁面接触降温熄灭。
实施例4
本实施例与实施例1基本相同，为了描述的简要，在本实施例的描述过程中，不再描述与实施例1相同的技术特征，仅说明本实施例与实施例1不同之处：本实施例中，导风件为圆筒结构，折流件为螺旋折流板，螺旋折流板设于导风件中，将空气流动通道构造为螺旋折流方向。本实施例中，从腔体中流出的气体在空气流动通道中沿螺旋折流方向流动，气体在空气流动通道中的流动时间长，且火苗与空气流动通道的壁面接触导热，使火苗熄灭。本实施的螺旋折流方向的空气流动通道，空气螺旋流动，流动性好，但是存在着可能火苗未完全熄灭的风险，因此，一般需要将通道做得较长一些，较为占用空间。
另外，对于迷宫形折流方向的空气流动通道，火苗熄灭性好，但是不利于气体逸出。S形折流方向的空气流动通道接近于方波形折流方向，但是火苗的熄灭效果无法达到方波形折流方向的空气流动通道。
本发明所述的烹饪装置还可以是烤箱、烤炉。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种烹饪装置，其特征在于：包括：
    外罩，所述外罩上设有与外部相连通的外罩出风口；
    腔体，所述腔体嵌入在所述的外罩内，用于容纳待烹饪食物，所述腔体上设有腔体出风口；
    导风件，所述导风件罩设在所述腔体出风口处，并连通腔体出风口和外罩出风口，以形成空气流动通道；以及
    折流件，所述折流件位于所述空气流动通道内，用以使从腔体出风口出来的气体在空气流动通道的流动方向为折流方向。
  2. 如权利要求1所述的烹饪装置，其特征在于：所述折流件包括第一折流板和第二折流板，所述第一折流板和所述第二折流板分别设于所述空气流动通道内相对的两侧，且所述第一折流板和所述第二折流板间隔交错排列。
  3. 如权利要求2所述的烹饪装置，其特征在于：所述折流件还包括折流连板，所述折流连板连接相邻所述第一折流板和第二折流板，所述折流连板设有导风孔。
  4. 如权利要求2所述的烹饪装置，其特征在于：所述腔体出风口设于所述腔体的顶板，所述外罩出风口设于所述外罩的侧板，所述第一折流板和所述第二折流板分别设于所述空气流动通道的上侧和下侧。
  5. 如权利要求3所述的烹饪装置，其特征在于：所述第一折流板、所述第二折流板和所述折流连板均为一个，构成
    Figure PCTCN2017082519-appb-100001
    字型结构。
  6. 如权利要求5所述的烹饪装置，其特征在于：所述折流件通过卡扣与所述导风件连接。
  7. 如权利要求1所述的烹饪装置，其特征在于：所述导风件包括底板、两个与所述底板的长边连接的长侧板以及一个与所述底板的宽边连接的宽侧板，所述导风件扣装于所述腔体的外侧壁和外罩的内侧壁，且与所述腔体的外侧壁及和所述外罩的内侧壁构造出所述空气流动通道。
  8. 如权利要求1所述的烹饪装置，其特征在于：所述导风件通过卡扣与所述腔体的外侧壁连接。
  9. 如权利要求1所述的烹饪装置，其特征在于：所述外罩的外侧壁 位于所述外罩出风口位置设有防护罩。
  10. 如权利要求1至9任一项所述的烹饪装置，其特征在于：所述烹饪装置为微波炉。
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