200427954 (υ 玖、發明說明 【發明所屬之技術領域】 本發明是關於一種具有遠紅外線發生功能的微波爐。 【先前技術】 習知在微波爐中’有在加熱室設置吸收微波並放出遠 紅外線的烹飪器具，藉由將被烹飪物放進烹飪器具，並藉 由微波及遠紅外線輻射加熱烹飪被烹飪的構成者（參照日 本特開平U-87045號公報）。 在上述構成中，帶有遠紅外線進行加熱烹飪時，必須 另外設置發生遠紅外線的烹飪器具的附屬品。 【發明內容】 本發明是鑑於上述事項所創作者，其目的是在於提供 一種在可進電氣加熱器加熱與微波加熱的微波爐中，在加 熱室底板具有遠紅外線發生功能，而以無附屬品即發生遠 紅外線爲特徵的微波爐。 申請專利範圍第1項的微波爐，屬於在加熱室內可進 行被烹飪物的電加熱器加熱與微波加熱的微波爐，其特徵 爲：在加熱室底部設置發生遠紅外線的底板。 依照上述構成，微波爐的加熱室底板發生遠紅外線之 故，因而不使用附屬品就可進行帶有遠紅外線的加熱烹飪 〇 申請專利範圍第2項的微波爐，其特徵爲具備：將微 -4- (2) (2)200427954 波爐經由導波管供給於形成在加熱室底部的激磁口的磁控 管，及覆蓋上述激磁口地設在上述加熱室底部，以微波透 過材所形成的底板，及位於上述底板的下方設在上述加熱 室底部的電加熱器；在上述底板塗佈有遠紅外線發生塗膜 〇 依照上述構成，藉由位於底板下方所設置的電加熱器 ，加熱被塗佈在加熱室底板的遠紅外線發生塗膜，就可發 生遠紅外線，可得到與申請專利範圍第1項同樣的效果。 又，加熱室的底板是由微波透過材所形成，透過微波 之故，因而不會對微波加熱處理有所妨礙。 這時，底板是成爲覆蓋激磁口之故，因而在依電加熱 器的加熱烹飪時不會有加熱室的熱從激磁口洩漏的情形。 申請專利範圍第3項所述的微波爐，是在加熱室的頂 部設置上部電加熱器，爲其特徵者。 依照上述構成，除了底板下方的電加熱器，還藉由上 部加熱器，成爲從上下面雙方可施加熱。 申請專利範圍第4項所述的微波爐，是在底板下面塗 佈微波發熱體，爲其特徵者。 依照上述構成，微波發熱體是受到微波而發熱，由該 發熱被加熱的遠紅外線發生塗膜發生遠紅外線，可進行依 微波及遠紅外線的加熱烹飪。 申請專利範圍第5項所述的申請專利範圍，是在加熱 室全面塗佈遠紅外線發生塗膜；爲其特徵者。 依照上述構成，可由底板與加熱室全面的左，右側板 -5- (3) (3)200427954 ，背面板及頂板放出遠紅外線。 【實施方式】 (第一實施例） 以下，一面參照第1圖至第3圖一面說明本發明的第 一實施例。 首先，在表示微波爐的槪略性外觀的第2圖中，微波 爐本體1是在矩形外箱2內配設前面呈開口的矩形狀內箱 3所成者，在前面部可轉動地樞設用以開閉內箱3的開口 部的朝下方打開型式的門4。在微波爐本體1內，於內箱 3形成有機械室5位於從側方鄰接的位置，而在該機械室 5收納有下述的磁控管等。在微波爐本體1的機械室5的 前面側位置設有操作盤6及顯示器7。 如第1圖所示地，內箱3的下部是形成具有支持段差 部3 a的盤形狀，在該支持段差部3 a，設有底板8，因此 ，內箱3的內部是由底板8被上下地隔成兩個室的加熱室 9與加熱室9的底部1 0。該底板8是使用微波爐功能的微 波功能時，透過微波作爲目的而以如陶瓷的微波透過構件 所形成。又，底板8是所謂平台，如第3圖所示地’至少 在加熱室9的上面全面塗佈有遠紅外線發生塗膜8 a，具 有遠紅外線發生功能。 遠紅外線發生塗膜8a是塗佈具有遠紅外線輻射作用 的釉藥所形成，該釉藥是作成例如以二氧化矽（si〇2 )作 爲主成分，調配氧化鋁（A1203 )或氧化鋰（Li20 )等的 (4) (4)200427954 組成者。本來陶瓷材料是具有優異遠紅外線放射效果’惟 在該釉藥添加無機顏料，就可更有效率放射遠紅外線。 又，在加熱室9的左，右側板，背板及頂板的至少內 側全面也塗佈遠紅外線塗膜。 在上述機械室5，設有發生微波的裝置的磁控管11。 又，在加熱室9的底部1 0下面，設有激磁口 1 2。又，在 磁控管與激磁口 1 2之間，設有將由磁控管1 1所發生的微 波一面反射一面引導至激磁口 12所用的導波管13。如上 所述地，藉由在底部1 0設有激磁口 1 2，使得底板8設在 支持段差部3 a，則該底板8是成爲覆蓋激磁口 1 2。又， 在底部1 0旋轉自如地配設有將到達激磁口 1 2的微波反射 在加熱室9內所用的旋轉天線1 4。該旋轉天線1 4是經由 軸1 5成爲藉由馬達1 6進行旋轉。該旋轉天線1 4是爲了 反射微波，由不容易吸收微波的材料所形成，微波振盪時 能旋轉，而擴散從激磁口 1 2放射至加熱室9內的微波。 由此’在加熱室9內均勻地加熱被加熱物1 9。 又，在底部1 〇，位於底板8下方設有如矩形框狀的 夾套加熱器1 7的電加熱器，而在加熱室2的頂部（如頂 板上面），設有如平面加熱器1 8的上部加熱器。 以下，說明實施例的作用。 首先，在進行加熱烹飪時，在底板8上放置被烹飪物 1 9 (在第一實施例爲麵包），藉由操作盤的操作，使得夾 套加熱器17及平面加熱器18被通電而發熱，加熱烹飪加 熱室9內的被烹飪物1 9。又，由底板8的遠紅外線發生 (5) (5)200427954 塗膜8 a，藉由夾套加熱器1 7施以加熱而發生遠紅外線。 又，由加熱室9內面的遠紅外線發生塗膜，也藉由平面加 熱器1 8及夾套加熱器施以加熱而發生遠紅外線。 如此，放在底板8上的被烹飪物1 9是由底板8與加 熱室9的內面全面所發生的遠紅外線及夾套加熱器1 7與 平面加熱器1 8施以加熱，換言之，可進行遠紅外線輻射 及加熱器加熱。 然後，在進行微波烹飪時，藉由操作操作盤6，使得 磁控管1 1被通電而發生微波，微波是經由導波管1 3及激 磁口 12被導至底部10內，藉由旋轉天線14被反射而透 過底板8被放射至加熱室9內，由此進行被烹飪物1 9的 加熱烹飪。 如此地，依照本實施例，由爲了形成加熱室9所必須 的底板8發生遠紅外線之故，因而不需要如習知的發生遠 紅外線的附屬品的烹飪器具。又，由塗佈在底板8與加熱 室9內面全面的遠紅外線發生塗膜8 a所放射的遠紅外線 的效果，被烹飪物1 9內是膨脹而柔軟的樣子，而藉由夾 套加熱器17與平面加熱器18的加熱’外面是可燒成完整 。又，底板8是作成覆蓋形成在底部1 〇的激磁口 1 2，而 在加熱烹飪時，可防止加熱室9內的熱從激磁口 1 2洩漏 的情形。 又，藉由微波透過構件的陶瓷形成底板8，在微波烹 妊時，對於微波透過不會有任何妨礙。 (6) (6)200427954 (第二實施例） 第3圖是表示本發明的第二實施例，與上述第一實施 例不相同處’爲設置底板2 0以代替底板8。底板2 0是由 與底板8相同材料所形成，在上面全面塗佈有與遠紅外線 發生塗膜8a同樣的遠紅外線發生塗膜20a，在下面塗佈 有微波發熱體2 0 b。這時候，在底板2 0的下面，外周四 邊部及中央的圓形部作爲未塗佈微波發熱體20b的無塗佈 部20c及20d，由此，成爲可變更塗佈密度。 又’在上述第二實施例中，爲了說明之方便而參照第 1圖，當藉由磁控管11所發生的微波被放出在底部10內 ，則被塗佈在底板20的微波發熱體20b是受到微波而發 熱並加熱遠紅外線發生塗膜20a。被加熱的遠紅外線發生 塗膜20a是發生遠紅外線。在底板20中央部的無塗佈部 2 0d附近，藉由旋轉天線14被擴散反射的微波會透過， 進入加熱室而被利用於加熱烹飪。如此，在使用微波烹飪 時，也藉由微波及遠紅外線可烹飪被烹飪物。 (第三實施例） 第5圖是表示本發明的第三實施例，與上述第一或第 二實施例不相同處，爲在加熱室9的左右兩側板形成棚架 支持部9a構成能支持網21而比底板20更浮起。其他構 成是與上述第一或第二實施例同樣。 該第三實施例是特別適用於欲再加熱烹飪被冷卻的被 烹飪物22 (實施例爲魚）時或不會增加烹飪物背面地欲 -9- (7) (7)200427954 烹飪時，藉由此種構成，也可得到與上述第一或第二實施 例同樣的效果。 又，在上述第三實施例中，在形成於加熱室9內部的 棚架支持部9 a設置網2 1，例如烹飪魚的被烹飪物2 2時 ，從魚（22)滲出的液體不會積存在網上之故，因而不會 浸到魚（22 )的背側地可烹飪。藉由此種構成，魚（22 ) 的背側不會過燒地烹飪，且一直到內部藉由遠紅外線加熱 成爲可加熱烹飪成膨脹而柔軟的樣子。 (其他實施例） 又，本發明是並不被限定於上述且表示於圖式的實施 例者，可做如下的擴大或變形。 在第一實施例中，在底板8下面也可塗佈遠紅外線發 生塗膜，又，在加熱室9的左、右側板，背板及頂板的至 少內側全面也塗佈遠紅外線發生塗膜8 a，惟在外面也塗 佈也可以。 在第二實施例中，在底板2 0的中央部形成圓形狀的 無塗佈部20d，惟代替形成三角形狀，橢圓形狀，四角形 狀，或是菱形狀所形成的無塗佈部也可以。 又，在第二實施例中，在底板20形成無塗佈部20d 而能變更微波發熱體2〇b的密度，惟例如變更塗佈厚度來 變更密度也可以。 [發明的效果] •10- (8) (8)200427954 本發明是由以上說明就可明瞭，在微波功能之外也包 括加熱功能的微波爐中，在加熱室的底板具有遠紅外線發 生功能，就可排除發生遠紅外線所用的附屬品，具有可單 純化構成的效果。 【圖式簡單說明】 第1圖是表示本發明第一實施例整體的縱剖視圖。 第2圖是表示本發明第一實施例整體的立體圖。 第3 ( a )圖是表示本發明第一實施例的底板的俯視 圖。 第3 ( b )圖是表示本發明第一實施例的底板的縱剖 視圖。 第4 ( a )圖是表示本發明的第二實施例的底板的俯 視圖。 第4 ( b )圖是表示本發明的第二實施例的底板的縱 剖視圖。 第4 ( c )圖是表示本發明的第二實施例的底板的背 面圖。 第5圖是表示本發明的第三實施例的第1圖相當圖。 (記號之說明） 1 :微波爐本體 3 :內箱 8 :底板 -11 -200427954 (υ 玖, description of the invention [Technical field to which the invention belongs] The present invention relates to a microwave oven having a far-infrared generation function. [Prior art] It is known in the microwave oven that there is a cooking method in a heating chamber that absorbs microwaves and emits far infrared rays An appliance that puts the object to be cooked into a cooking appliance and heats the component being cooked by microwave and far-infrared radiation (see Japanese Patent Application Laid-Open No. U-87045). In the above-mentioned structure, far-infrared radiation is performed. When heating and cooking, an accessory of a cooking appliance that generates far-infrared rays must be separately provided. [Summary of the Invention] The present invention was made in view of the above matters, and an object thereof is to provide a microwave oven that can be heated by an electric heater and microwave The microwave oven has a function of generating far-infrared rays on the floor of the heating chamber, and is characterized by the generation of far-infrared rays without accessories. The microwave oven of the first scope of the patent application belongs to an electric heater for heating and microwaves in the heating chamber. The heating microwave oven is characterized in that: Infrared floor. In accordance with the above-mentioned structure, far-infrared rays are generated in the bottom plate of the heating chamber of the microwave oven. Therefore, heating and cooking with far-infrared rays can be performed without using accessories. Micro-4- (2) (2) 200427954 The wave furnace is supplied via a waveguide to a magnetron formed at the bottom of the heating chamber, and a magnetron is provided at the bottom of the heating chamber so as to cover the above-mentioned excitation port. The formed base plate, and an electric heater provided below the base plate and provided at the bottom of the heating chamber; a far-infrared generation coating film is coated on the base plate. According to the above configuration, the electric heater provided below the base plate is used for heating. The far-infrared generation coating film applied to the bottom plate of the heating chamber can generate far-infrared rays, and can obtain the same effect as the first item in the scope of the patent application. The bottom plate of the heating chamber is formed of a microwave-transmitting material. Therefore, it will not hinder the microwave heating treatment. At this time, the bottom plate is to cover the excitation opening. When cooking, the heat of the heating chamber does not leak from the excitation port. The microwave oven described in the third item of the patent application is characterized by installing an upper electric heater on the top of the heating chamber. It is characterized by the above structure, except for the bottom plate. The electric heater at the lower part can also apply heat from both the upper and lower sides by the upper heater. The microwave oven described in the patent application scope item 4 is characterized by coating a microwave heating element under the bottom plate. Composition, the microwave heating body is heated by the microwave, and the far-infrared generation coating film heated by the heating generates far-infrared radiation, which can be heated and cooked according to the microwave and the far-infrared radiation. It is the full coating of the far-infrared generation coating film in the heating chamber; it is the characteristic. According to the above structure, the left and right sides of the bottom plate and the heating chamber can be fully covered. infrared. [Embodiment] (First embodiment) Hereinafter, a first embodiment of the present invention will be described with reference to Figs. 1 to 3. First, in the second figure showing the schematic appearance of the microwave oven, the microwave oven body 1 is formed by arranging a rectangular inner box 3 with an open front face in a rectangular outer box 2 and being pivotally mounted on the front portion. A door 4 of an open type is opened downward by opening and closing the opening of the inner box 3. In the microwave oven body 1, a machine room 5 is formed in the inner case 3 at a position adjacent to the side, and the machine room 5 houses a magnetron and the like described below. An operation panel 6 and a display 7 are provided on the front side of the machine room 5 of the microwave oven body 1. As shown in FIG. 1, the lower portion of the inner box 3 is formed in a disc shape having a supporting step portion 3a. The supporting step portion 3a is provided with a bottom plate 8. Therefore, the inside of the inner box 3 is covered by the bottom plate 8 The heating chamber 9 and the bottom 10 of the heating chamber 9 are partitioned into two chambers. This base plate 8 is formed of a microwave-transmitting member, such as ceramics, for the purpose of transmitting microwaves when the microwave function of the microwave oven function is used. The bottom plate 8 is a so-called platform. As shown in FIG. 3, at least the upper surface of the heating chamber 9 is coated with a far-infrared generating coating film 8a, and has a far-infrared generating function. The far-infrared generation coating film 8a is formed by coating a glaze having a function of far-infrared radiation. The glaze is prepared by using, for example, silicon dioxide (SiO2) as a main component, and blending alumina (A1203) or lithium oxide (Li20). ), Etc. (4) (4) 200427954. Originally, ceramic materials have excellent far-infrared radiation effect ', but by adding an inorganic pigment to this glaze, far-infrared radiation can be emitted more efficiently. A far-infrared coating film is also applied on at least the inner sides of the left and right plates, the back plate, and the top plate of the heating chamber 9. The above-mentioned machine room 5 is provided with a magnetron 11 which is a device for generating microwaves. An excitation port 12 is provided below the bottom 10 of the heating chamber 9. A waveguide 13 is provided between the magnetron and the excitation port 12 to guide the microwave generated by the magnetron 11 to the excitation port 12 while reflecting it. As described above, by providing the excitation port 12 at the bottom 10, so that the bottom plate 8 is provided at the supporting step portion 3a, the bottom plate 8 is to cover the excitation port 12. A rotary antenna 14 for reflecting microwaves reaching the excitation port 12 in the heating chamber 9 is rotatably arranged at the bottom 10. The rotating antenna 14 is rotated by a motor 16 via a shaft 15. This rotating antenna 14 is formed of a material that does not easily absorb microwaves for reflecting microwaves. The rotating antennas 14 can rotate when the microwaves oscillate, and diffuse the microwaves radiated from the excitation port 12 into the heating chamber 9. Thereby, the object to be heated 19 is uniformly heated in the heating chamber 9. An electric heater such as a rectangular frame-shaped jacket heater 17 is provided below the bottom plate 8 at the bottom 10, and an upper portion such as a flat heater 18 is provided at the top of the heating chamber 2 (such as above the top plate). Heater. The function of the embodiment will be described below. First, when heating and cooking, the to-be-cooked object 19 (bread in the first embodiment) is placed on the bottom plate 8 and the jacket heater 17 and the planar heater 18 are energized by the operation of the operation panel to generate heat. , The cooking objects 19 in the cooking heating chamber 9 are heated. Further, far-infrared rays are generated from the bottom plate 8 (5) (5) 200427954 The coating film 8a is heated by the jacket heater 17 to generate far-infrared rays. In addition, the coating film is generated by the far-infrared rays on the inner surface of the heating chamber 9, and the far-infrared rays are also generated by heating by the flat heater 18 and the jacket heater. In this way, the object to be cooked 19 placed on the bottom plate 8 is far-infrared generated from the entire surface of the bottom plate 8 and the heating chamber 9 and the jacket heater 17 and the planar heater 18 are heated. In other words, the Perform far-infrared radiation and heater heating. Then, when microwave cooking is performed, the operation of the operation panel 6 causes the magnetron 11 to be energized to generate microwaves. The microwave is guided into the bottom 10 through the waveguide 13 and the excitation port 12, and the antenna is rotated. 14 is reflected and radiated into the heating chamber 9 through the bottom plate 8, thereby heating and cooking the object 19 to be cooked. As described above, according to the present embodiment, far-infrared rays are generated by the bottom plate 8 necessary for forming the heating chamber 9, and thus there is no need for a conventional cooking appliance that generates far-infrared accessories. In addition, the far-infrared rays radiated by the far-infrared generating coating film 8 a applied on the inner surfaces of the bottom plate 8 and the heating chamber 9 are inflated and soft inside the cooking object 19, and are heated by the jacket. The heating 'outside of the heater 17 and the planar heater 18 is sinterable. The bottom plate 8 is formed so as to cover the field opening 12 formed on the bottom 10, and during heating and cooking, it is possible to prevent heat in the heating chamber 9 from leaking from the field opening 12. In addition, the bottom plate 8 is formed of ceramics that are microwave-transmitting members, and does not interfere with microwave transmission during microwave cooking. (6) (6) 200427954 (Second Embodiment) Fig. 3 shows a second embodiment of the present invention. The difference from the first embodiment is that a bottom plate 20 is provided instead of the bottom plate 8. The bottom plate 20 is formed of the same material as the bottom plate 8, and the top surface is coated with the far-infrared generation coating film 20a, which is the same as the far-infrared generation coating film 8a, and the microwave heating element 2b is coated on the bottom surface. At this time, underneath the bottom plate 20, the outer peripheral portion and the circular portion in the center serve as the uncoated portions 20c and 20d of the uncoated microwave heating element 20b, thereby making it possible to change the coating density. Also, in the second embodiment described above, for convenience of explanation, referring to FIG. 1, when the microwave generated by the magnetron 11 is released in the bottom portion 10, it is coated on the microwave heating element 20b of the bottom plate 20. The microwave generates heat and heats the far-infrared generation coating film 20a. The heated far-infrared generation coating film 20a generates far-infrared radiation. In the vicinity of the uncoated portion 20d at the center of the bottom plate 20, the microwave diffused and reflected by the rotating antenna 14 is transmitted, enters the heating chamber, and is used for heating and cooking. In this way, when microwave cooking is used, microwaves and far-infrared rays can also be used to cook objects to be cooked. (Third Embodiment) Fig. 5 shows a third embodiment of the present invention, which is different from the above-mentioned first or second embodiment, and is capable of supporting the shelf support portions 9a formed on the left and right side plates of the heating chamber 9. The net 21 floats more than the bottom plate 20. The other configurations are the same as those of the first or second embodiment. This third embodiment is particularly suitable for reheating and cooking the cooled object 22 (the embodiment is a fish) or to increase the back of the object. -9- (7) (7) 200427954 When cooking, borrow With this configuration, the same effects as those of the first or second embodiment can be obtained. Further, in the third embodiment described above, when the net support 21 is provided on the scaffold support portion 9 a formed inside the heating chamber 9, for example, when cooking the fish 22 22, the liquid exuding from the fish (22) will not It is accumulated on the net, so it can be cooked without being dipped into the back of the fish (22). With this configuration, the back side of the fish (22) is cooked without being overheated, and it is heated to the inside by far-infrared to become heat-cookable and expandable and soft. (Other Embodiments) The present invention is not limited to the embodiment described above and shown in the drawings, and can be expanded or modified as follows. In the first embodiment, the far-infrared generating coating film may also be applied under the bottom plate 8, and the far-infrared generating coating film 8 may also be applied to at least the inside of the left and right side plates, the back plate, and the top plate of the heating chamber 9. a, but it can also be applied on the outside. In the second embodiment, a round-shaped uncoated portion 20d is formed at the center of the bottom plate 20, but instead of forming a triangular shape, an elliptical shape, a quadrangular shape, or a rhombic shape, the uncoated portion may be formed. In the second embodiment, the density of the microwave heating element 20b can be changed by forming the uncoated portion 20d on the base plate 20. However, for example, the coating thickness may be changed to change the density. [Effects of the invention] • 10- (8) (8) 200427954 The present invention is clear from the above description. In a microwave oven that includes a heating function in addition to a microwave function, the bottom plate of the heating chamber has a function of generating far-infrared rays. It can eliminate the accessories used for the generation of far-infrared rays, and has the effect of simplifying the structure. [Brief Description of the Drawings] Fig. 1 is a longitudinal sectional view showing the entire first embodiment of the present invention. Fig. 2 is a perspective view showing the entire first embodiment of the present invention. Fig. 3 (a) is a plan view showing a base plate according to the first embodiment of the present invention. Fig. 3 (b) is a vertical sectional view showing a bottom plate according to the first embodiment of the present invention. Fig. 4 (a) is a plan view showing a bottom plate of a second embodiment of the present invention. Fig. 4 (b) is a vertical sectional view showing a bottom plate according to a second embodiment of the present invention. Fig. 4 (c) is a rear view of a bottom plate showing a second embodiment of the present invention. Fig. 5 is a first diagram corresponding to a third embodiment of the present invention. (Description of symbols) 1: Microwave oven body 3: Inner box 8: Base plate -11-
200427954 8 a :遠紅外線發生塗膜 9 :加熱室 9 a :棚架支持部 1 〇 :加熱室的底部 1 1 :磁控管 1 2 :激磁口 1 3 :導波管 1 4 :旋轉天線 1 7 :夾套加熱器 1 8 :平面加熱器 2 0 :底板 2 0a :遠紅外線發生塗膜 20b :微波發熱體 2 0 d :無塗佈部 2 1 :網200427954 8 a: Far-infrared generation coating film 9: Heating chamber 9 a: Shelf support 1 〇: Bottom of heating chamber 1 1: Magnetron 1 2: Excitation port 1 3: Waveguide tube 1 4: Rotary antenna 1 7: Jacket heater 1 8: Flat heater 2 0: Base plate 2 0a: Far-infrared generation coating film 20b: Microwave heating element 2 0 d: No coating portion 2 1: Net