JP2005196500A - Operating knob device - Google Patents

Operating knob device Download PDF

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JP2005196500A
JP2005196500A JP2004002489A JP2004002489A JP2005196500A JP 2005196500 A JP2005196500 A JP 2005196500A JP 2004002489 A JP2004002489 A JP 2004002489A JP 2004002489 A JP2004002489 A JP 2004002489A JP 2005196500 A JP2005196500 A JP 2005196500A
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outer peripheral
cylindrical body
peripheral portion
translucent
operation knob
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JP4363992B2 (en
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Yoichi Araki
洋一 荒木
Hiroya Inayama
浩哉 稲山
Keiichi Mizutani
圭一 水谷
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Rinnai Corp
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Rinnai Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an operating knob device that can produce sufficient luminance evenly over a knob outer circumference. <P>SOLUTION: The operating knob device comprises: a buttoned operating knob body 13 passed in an opening 12 cut in an operation panel 11, provided with knurls 25 over the circumference of a portion projected outside the panel 11 from the opening 12, and shaped into a translucent cylinder at a peripheral part 21; a knob case 15 formed by peripheral wall parts 14a and 14b so as to encircle the knob body 13 and form a reflector at an inner circumference 14d opposed to the translucent peripheral part 21; and a light emitting diode element 16 for directing illumination to the area where the knurls 25 are formed from a notch 14c cutting a circumferential part of the upper peripheral wall part 14b. A reflective cylinder 56 may be fitted in the translucent peripheral part 21. The light emitting diode element 16 can produce the highest luminance when positioned to radiate illuminating light substantially at angles of 45° to 60° to an illumination surface 21a. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、操作つまみ装置に関し、特に、テーブルコンロなどの加熱器具の前面操作パネルに配置した操作つまみ装置に関する。   The present invention relates to an operation knob device, and more particularly to an operation knob device disposed on a front operation panel of a heating appliance such as a table stove.

従来、操作パネルに設けた開口内を貫装した操作つまみ装置の背面側に光源を設け、操作つまみによる入切操作あるいは回動操作に応じてこの光源を点灯し、つまみ又はその外周の透光間隙を介して操作パネル前面の照明を行うものが知られている(例えば、特許文献1参照。)。このようにバックライトを光源として、つまみ又はその外周に照明機能を備えさせた操作パネルを用いると、この操作つまみに対応する加熱器具の作動有無を視認できる。この照明機能は、特に、複数の加熱器具を搭載した調理器具において、複数の加熱器具の内のどの加熱器具を使用しているかの確認を行い易いなどの理由から利便性が高く、同時に調理器具の意匠性向上にも有用である。
実開昭58-186301号公報(第2図-第4図)
Conventionally, a light source is provided on the back side of an operation knob device that penetrates the opening provided in the operation panel, and the light source is turned on in response to an on / off operation or a rotation operation by the operation knob, and the knob or its outer periphery is translucent. A device that illuminates the front surface of an operation panel through a gap is known (for example, see Patent Document 1). As described above, when the operation panel having the illumination function is provided on the knob or the outer periphery of the knob using the backlight as the light source, it is possible to visually recognize whether or not the heater corresponding to the operation knob is activated. This lighting function is particularly convenient for cooking utensils equipped with a plurality of heating utensils because it is easy to check which heating utensil of the plurality of heating utensils is being used. It is also useful for improving the design properties.
Japanese Utility Model Publication No. 58-186301 (Figs. 2-4)

ところで、操作つまみの外周を照明部分とする場合、その全周に亘ってむらなく輝度を保つことが要望される。このため、特許文献1において、第2図に示す第1態様や第3図に示す第2態様では、上下位置に複数の光源を配置する。しかし、操作パネルの背面で確保できるスペースには限界があり、特に、このものの第3態様を示す第4図のように、例えば光量調節のための可変抵抗器を光源に接続した場合、スペース上の制約から複数光源の一部を犠牲にせざるを得ないこともある。そして、この結果、つまみ外周の全周に亘って所望の一定輝度が得られず、輝度にむらが生じるおそれがある。   By the way, when the outer periphery of the operation knob is used as the illumination portion, it is desired to keep the brightness uniformly over the entire periphery. For this reason, in Patent Document 1, in the first mode shown in FIG. 2 and the second mode shown in FIG. 3, a plurality of light sources are arranged in the vertical position. However, there is a limit to the space that can be secured on the back of the operation panel. In particular, when a variable resistor for adjusting the amount of light is connected to the light source as shown in FIG. Because of this limitation, some of the multiple light sources may have to be sacrificed. As a result, the desired constant luminance cannot be obtained over the entire outer periphery of the knob, and the luminance may be uneven.

本発明は、上記問題点に鑑み、つまみ外周の全周に亘りむらなく充分な輝度を得ることが可能な操作つまみ装置を提供することを課題としている。   In view of the above problems, an object of the present invention is to provide an operation knob device capable of obtaining sufficient brightness over the entire circumference of the knob outer periphery.

上記課題を解決するため、本発明の操作つまみ装置は、操作パネルに設けた開口を貫装し、全周に亘り光乱反射部を設けると共に外周部を透光性とした筒体と、この筒体を囲繞すると共に筒体外周に対向する内周面を反射体とした周壁部から成るつまみケースと、上記筒体を照らす光源とを設けて構成される。   In order to solve the above-described problems, an operation knob device of the present invention includes a cylindrical body penetrating an opening provided in an operation panel, providing a light diffuse reflection portion over the entire circumference, and having a translucent outer peripheral portion, and the cylinder. A knob case including a peripheral wall portion that surrounds the body and has an inner peripheral surface facing the outer periphery of the cylindrical body as a reflector, and a light source that illuminates the cylindrical body are provided.

これによれば、光源の発光により筒体の透光性外周部が照射され、透光性外周部で反射された照射光は、さらにつまみケースの周壁部内周面の反射体で反射され、再び筒体の透光性外周部を照射する。これにより、筒体の透光性外周部に再照射された照射光は、筒体の光乱反射部で乱反射して輝きを増す。   According to this, the light-transmitting outer peripheral portion of the cylindrical body is irradiated by light emission of the light source, and the irradiation light reflected by the light-transmitting outer peripheral portion is further reflected by the reflector on the inner peripheral surface of the peripheral wall portion of the knob case, and again The translucent outer periphery of the cylinder is irradiated. Thereby, the irradiation light re-irradiated to the translucent outer peripheral part of the cylinder is irregularly reflected by the light irregular reflection part of the cylinder and increases brightness.

このように、周壁部は筒体を囲繞して形成されているので、上記した、筒体の透光性外周部での反射→周壁部内周面の反射体での反射→筒体の透光性外周部での反射での再反射→周壁部内周面の反射体での再反射、というサイクルは、筒体の全周に亘って繰り返され、照射光の伝播が筒体外周部の全周に亘って一様に行われる。また、この照射光は、透光性外周部に設けた光乱反射部で乱反射されて輝きを得る。このため、バックライト光源数が最小限であっても、つまみ外周に相当する筒体外周部の全周に亘り充分な輝度が均一に得られ、また、光乱反射部で輝きの増大が得られて、作動有無の確認を効果的に行うことができる。なお、照射面に光乱反射部が形成されていると、単純な反射光でなく輻輳された乱反射光に変質し、さらに全周への伝播が効果的に行われる。   As described above, since the peripheral wall portion is formed so as to surround the cylindrical body, the reflection at the translucent outer peripheral portion of the cylindrical body described above → the reflection at the inner peripheral surface of the peripheral wall portion → the translucent light of the cylindrical body. The cycle of re-reflection due to reflection at the outer peripheral part → re-reflection at the reflector on the inner peripheral surface of the peripheral wall is repeated over the entire circumference of the cylinder, and the propagation of the irradiation light is the entire circumference of the outer circumference of the cylinder. Uniformly. Moreover, this irradiation light is diffusely reflected by the light irregular reflection part provided in the translucent outer peripheral part, and obtains shine. For this reason, even if the number of backlight light sources is minimal, sufficient luminance can be uniformly obtained over the entire circumference of the cylindrical body corresponding to the outer circumference of the knob, and an increase in brightness can be obtained in the light diffuse reflection part. Thus, it is possible to effectively check the presence or absence of operation. In addition, if the light irregular reflection part is formed in the irradiation surface, it will change into not only simple reflected light but congested irregular reflected light, and propagation to all the circumferences will be performed effectively.

なお、光乱反射部を設けるのは、筒体外周部の外側でも内側でも良い。したがって、汚れ防止の理由で内側だけに設けたり、乱反射効果の増大のため内外両側に光乱反射部を設けたりなどの適宜変更が可能である。また、光乱反射部として、ローレットや梨地状のように微細な凹凸から成る“しぼ”を採用することもできる。   The light irregular reflection portion may be provided on the outer side or the inner side of the outer peripheral portion of the cylindrical body. Therefore, it is possible to make appropriate changes, such as providing only on the inner side for the purpose of preventing contamination, or providing light diffuse reflection portions on both the inner and outer sides to increase the diffuse reflection effect. In addition, as the light irregular reflection portion, a “wrinkle” made of fine irregularities such as a knurled or satin-like shape can be adopted.

また、上記した筒体を、透光性筒体から成る筒体外周部と、その中に貫装される中実部との別体構成とする場合、これら筒体外周部と中実部とを互いに独立して可動にした操作ボタンとすることにより、例えば、中実部の押し込み操作による加熱器具の点消火や、筒体外周部の回動操作による加熱器具の火力調整のような多機能を備えることができ便利である。   In addition, when the above-described cylindrical body has a cylindrical outer peripheral portion made of a light-transmitting cylindrical body and a solid portion penetrating therein, the cylindrical outer peripheral portion and the solid portion Can be operated independently of each other, so that, for example, multi-functions such as point-extinguishing the heating appliance by pushing the solid part, and adjusting the heating power of the heating appliance by turning the cylinder outer periphery Conveniently can be equipped with.

そして、この筒体の透光性外周部の内側に、さらに反射体を設けたことにより、透光性部分を通過した照射光が反射体により反射され、ケースの反射体で再び反射されるという繰り返しによる重畳的な照射光反射が行われる。このため、筒体外周部のさらに内側に位置する中実部、即ち、例えば点消火用ボタンにより照射光が吸収されたり減衰されたりすることなく、照射光の伝播が維持される。したがって、これによる照明機能は、筒体の透光性外周部の全周に亘ってさらに均一かつ高輝度のものとなる。   And by providing a reflector further inside the translucent outer peripheral portion of this cylindrical body, the irradiation light that has passed through the translucent portion is reflected by the reflector and is reflected again by the reflector of the case. Overlapping irradiation light reflection by repetition is performed. For this reason, the propagation of the irradiation light is maintained without the irradiation light being absorbed or attenuated by the solid portion located further inside the outer peripheral portion of the cylindrical body, that is, for example, the point extinguishing button. Therefore, the illumination function by this becomes a thing of a more uniform and high-intensity over the perimeter of the translucent outer peripheral part of a cylinder.

この場合、上記した反射体を筒体とするとし、また、筒体外周部の前端部分を、この反射性筒体の先端部分の内外両側が挟持されるように折り畳まれた内外二重構造に形成することにより、反射性筒体に対する密封性が向上する。即ち、筒体外周部の内側に反射性筒体を設ける際に、異なる構成部材同士の接触部分に隙間が生じ、調理の際に吹きこぼれた煮汁などがこの隙間から内部に侵入することがある。そして、内部に残留した煮汁が透光体に汚れとして付着すると反射効果低下の問題が生じる。これに対して密封性の高い上記の内外二重構造で反射性筒体を収納することにより、こぼれ汁の侵入が有効に抑制されるので、反射効果の減衰を防ぐことができる。   In this case, the above-described reflector is assumed to be a cylindrical body, and the front end portion of the outer peripheral portion of the cylindrical body has an internal / external double structure that is folded so that both the inner and outer sides of the distal end portion of the reflective cylindrical body are sandwiched. By forming, the sealing performance with respect to the reflective cylinder is improved. That is, when the reflective cylinder is provided inside the outer periphery of the cylinder, a gap is generated at a contact portion between different constituent members, and boiled juice spilled during cooking may enter the inside from this gap. And if the broth remaining inside adheres to the translucent body as dirt, a problem of reduced reflection effect arises. On the other hand, since the intrusion of spilled juice is effectively suppressed by housing the reflective cylinder with the above-described inner / outer dual structure having high sealing performance, attenuation of the reflection effect can be prevented.

また、筒体外周部及び反射性筒体に対して、それぞれの下面位置に開口を形成することにより、両筒体は下方に開放された開口、例えば、両筒体の軸芯回りに振り分けて形成された四半円周円弧帯状の開口を備えることになる。したがって、たとえこぼれ汁などが内部に侵入した場合でも、こぼれ汁は内部を伝ってこの下面開口から自然に排出される。このようにして、こぼれ汁などの内部残留を確実に防止することができ、反射効果上だけでなくメンテナンス上も有利である。   In addition, by forming openings at the positions of the lower surfaces of the outer peripheral portion of the cylinder and the reflective cylinder, both cylinders are distributed around an opening opened downward, for example, around the axis of both cylinders. The formed quarter-circular arc band-shaped opening is provided. Therefore, even when spilled juice or the like enters the inside, the spilled juice is naturally discharged from the lower surface opening through the inside. In this way, internal residues such as spilled juice can be reliably prevented, which is advantageous not only for the reflection effect but also for maintenance.

さらに、透光体から成る筒体外周部の全周に亘って高輝度を最大に得るためには、光源からの照射光が、この光源により照らされる筒体の照射面に対して、略45°〜60°の角度で入射することが望ましい。即ち、照射面法線に対しての角度たる入射角表示で略30°から45°の角度が得られるように、光源と照射面との相対位置を設定することにより、筒体外周部での均一かつ高輝度の照明機能を効率良く得ることができる。   Furthermore, in order to obtain the maximum brightness over the entire circumference of the outer peripheral portion of the cylindrical body made of a translucent material, the irradiation light from the light source is approximately 45 with respect to the irradiation surface of the cylindrical body illuminated by the light source. It is desirable to enter at an angle of 60 ° to 60 °. That is, by setting the relative position between the light source and the irradiation surface so that an angle of approximately 30 ° to 45 ° can be obtained by displaying the incident angle as an angle with respect to the normal to the irradiation surface, A uniform and high brightness illumination function can be obtained efficiently.

本発明の操作つまみ装置は、光源からの照射光に対して、光乱反射部での反射と、周壁部内周面の反射体での反射とが繰り返して行われ、また、反復継続した反射が、透光体から成る筒体外周部の全周に亘って行われるため、つまみ外周に相当する筒体全周で高輝度かつ一様な照明を得ることができ、また、光乱反射部で乱反射されて増大した輝度を得ることができるため、操作者の注意を惹き、意匠性にも優れた操作つまみ装置を提供できる。   In the operation knob device of the present invention, with respect to the irradiation light from the light source, the reflection at the light diffuse reflection portion and the reflection at the reflector on the inner peripheral surface of the peripheral wall portion are repeatedly performed, and the reflection that continues repeatedly is performed. Since it is performed over the entire circumference of the outer periphery of the cylindrical body made of a translucent body, high brightness and uniform illumination can be obtained over the entire circumference of the cylindrical body corresponding to the outer periphery of the knob, and it is irregularly reflected by the light irregular reflection section. Therefore, it is possible to provide an operation knob device that attracts the operator's attention and is excellent in design.

図1は、グリル付ガスビルトインコンロ1の外観斜視図である。トッププレート2上に設置した三個のコンロ部3、4、5のそれぞれの点消火及び火力調整を、操作パネル11に設けた操作つまみ6、7、8の押し込み操作(点消火)及び回動操作(火力調整)により行う。なお、操作つまみ9は、グリル10用のものである。本発明は、これらの操作つまみ6、7、8、9に関し、各コンロバーナ及びグリルバーナ(図示せず)の点火時に、これら操作つまみの外周部6a、7a、8a、9aを光らせるための操作つまみ装置である。   FIG. 1 is an external perspective view of a gas built-in stove 1 with a grill. Point fire extinguishing and heating power adjustment of each of the three stove parts 3, 4 and 5 installed on the top plate 2 are performed by pushing the operation knobs 6, 7 and 8 provided on the operation panel 11 (point fire extinguishing) and turning. Perform by operation (thermal power adjustment). The operation knob 9 is for the grill 10. The present invention relates to the operation knobs 6, 7, 8, and 9 and controls the outer knobs 6a, 7a, 8a, and 9a of the operation knobs to light up when the respective burners and grill burners (not shown) are ignited. Device.

図2は、本発明の第1態様に相当する操作つまみ装置の側面概略図であり、コンロ前面に位置する操作パネル11に形成された開口12の奥方に、周壁部14a、14bで構成されるつまみケース15を設け、このケース15により、円筒形状のボタン付操作つまみ体13の奥方部分を囲繞した。この設置例では、つまみケース15を樹脂製とし、開口12の奥方に操作パネル11と一体的に形成した。   FIG. 2 is a schematic side view of the operation knob device corresponding to the first aspect of the present invention, and includes peripheral wall portions 14a and 14b at the back of the opening 12 formed in the operation panel 11 located on the front surface of the stove. A knob case 15 is provided, and the case 15 surrounds the inner portion of the cylindrical operation knob body 13 with a button. In this installation example, the knob case 15 is made of resin and is formed integrally with the operation panel 11 at the back of the opening 12.

そして、周壁部14a、14bのうち上側周壁部14bの奥側部分を周方向に欠いた切り欠き部14cを形成した。切り欠き部14cの形状は、例えば操作パネル11側正面から見て、操作つまみ体11の直上位置を挟み、つまみ回転軸回りに左右約15°ずつ振り分けた円弧範囲とする。なお、上側周壁部14bの残存部分は、奥側が手前側より高くなるような高低差のある傾斜面を備えている。そして、上側周壁部14bの切り欠き部14cから、つまみ体13の照射面21aに対して略45°の角度で照らす、発光ダイオード素子(LED)から成る光源16を、操作パネル11の奥方に取付けた。   And the notch part 14c which notched the back | inner side part of the upper side peripheral wall part 14b among the surrounding wall parts 14a and 14b in the circumferential direction was formed. The shape of the cutout portion 14c is, for example, an arc range that is distributed about 15 ° left and right around the knob rotation axis with the position directly above the operation knob body 11 as viewed from the front of the operation panel 11 side. The remaining portion of the upper peripheral wall portion 14b includes an inclined surface having a height difference such that the back side is higher than the near side. Then, a light source 16 composed of a light emitting diode element (LED) that illuminates at an angle of about 45 ° with respect to the irradiation surface 21a of the knob body 13 from the cutout portion 14c of the upper peripheral wall portion 14b is attached to the back of the operation panel 11. It was.

ここで、光源ケース16a内に装填された光源16は、ケース16a上部に設けたブッシュ17が、操作パネル11側のブラケット18に取り付けられることにより、操作パネル11の背面側に固定される。   Here, the light source 16 loaded in the light source case 16a is fixed to the back side of the operation panel 11 by attaching the bush 17 provided on the upper portion of the case 16a to the bracket 18 on the operation panel 11 side.

また、光源ケース16aの前面端部からは遮光板19が延伸して設けられる。一方、つまみケース15を構成する周壁部14a、14bでは、操作つまみ体13に対向する内周面14dを銅クロムメッキなどの反射体により被覆して形成する。   A light shielding plate 19 extends from the front end of the light source case 16a. On the other hand, the peripheral wall portions 14a and 14b constituting the knob case 15 are formed by covering the inner peripheral surface 14d facing the operation knob body 13 with a reflector such as copper chrome plating.

さらに、ボタン付操作つまみ体13は、その円筒形状の中実部に相当する位置に、押し戻し可能な鼓形状の点消火用ボタン20が装填され、その周囲を、例えばポリカーボネート樹脂やアクリル樹脂などの透光性材質を用いて、筒状に形成された外周部21が囲繞する基本構造を備えるものである。そして、この外周部21の前端部分に火力調節つまみ部22を覆設して一体化し、反対の後端部分には、連動部材23が装着され、外周部21の爪21b(図4参照)により係止されている。また、点消火ボタン20の後端にはコック連結体24が取付けられている。さらに、透光性外周部21において、光源16の照射面21aには、その内側に全周に亘って、光乱反射部として、所定ピッチのローレット25(図4参照)が刻設されている。   Furthermore, the button-equipped operation knob body 13 is loaded with a drum-shaped point-extinguishing button 20 that can be pushed back at a position corresponding to the solid portion of the cylindrical shape, and the periphery thereof is made of, for example, polycarbonate resin or acrylic resin. A translucent material is used to provide a basic structure that is surrounded by a cylindrical outer peripheral portion 21. Then, the heating power adjusting knob portion 22 is covered and integrated with the front end portion of the outer peripheral portion 21, and an interlocking member 23 is attached to the opposite rear end portion, and the claws 21 b (see FIG. 4) of the outer peripheral portion 21. It is locked. A cock connector 24 is attached to the rear end of the point fire button 20. Furthermore, in the translucent outer peripheral portion 21, a knurl 25 (see FIG. 4) having a predetermined pitch is engraved on the irradiation surface 21a of the light source 16 as a light irregular reflection portion on the inner side thereof.

このボタン付操作つまみ体13の詳細構造を図3及び図4に示す。即ち、図3の分解斜視図にて示すように、本つまみ体13は、前から順に、火力調節つまみ部22、透光性外周部21、点消火用ボタン20、連動部材23、及びコック連結体24が配設される。また、図4に示すように、このつまみ体13の後方にプッシュ-プッシュ機構を備えたガス開閉機構Gが取付けられる。なお、外周部21から奥方に2本のアーム21cが突き出して設けられている。そして、外周部21を回動することにより、アーム21cを介して歯車Hが回転し、ガス開閉機構G内部の絞り部Sを制御してガス量を可変としている。   The detailed structure of the operation knob body 13 with buttons is shown in FIGS. That is, as shown in the exploded perspective view of FIG. 3, the knob body 13 includes, in order from the front, the heating power adjustment knob portion 22, the translucent outer peripheral portion 21, the fire extinguishing button 20, the interlocking member 23, and the cock connection. A body 24 is disposed. Further, as shown in FIG. 4, a gas opening / closing mechanism G having a push-push mechanism is attached to the rear of the knob body 13. Two arms 21c protrude from the outer peripheral portion 21 to the back. Then, by rotating the outer peripheral portion 21, the gear H rotates through the arm 21c, and the throttle portion S inside the gas opening / closing mechanism G is controlled to make the gas amount variable.

ところで、図2におけるボタン付操作つまみ体13はガス消火時の状態を示しており、ボタン20を押し込むと、ボタン20と、その周囲の外周部21とが、連動部材23を介して押し込まれる。そして、ボタン20の押し込み位置(図2のつまみ体13の破線位置参照)でプッシュ-プッシュ機構により係止され、この状態で、ガス弁が開放状態に保たれ、スパークが飛ばされて点火作動となる。なお、点火状態でボタン20を再び押すとプッシュ-プッシュ機構による係止が解かれて、ボタン20がOFF位置に戻ると共にガス弁が閉じる。   By the way, the button-equipped operation knob body 13 in FIG. 2 shows a state at the time of gas fire extinguishing, and when the button 20 is pushed in, the button 20 and the outer peripheral portion 21 around the button 20 are pushed in via the interlocking member 23. Then, it is locked by the push-push mechanism at the pushing position of the button 20 (see the broken line position of the knob body 13 in FIG. 2), and in this state, the gas valve is kept open, the spark is blown, and the ignition operation is performed. Become. When the button 20 is pressed again in the ignition state, the lock by the push-push mechanism is released, the button 20 returns to the OFF position, and the gas valve closes.

この際、ボタン20が押し込み位置にあるときに、点火状態を示すための光源16の点灯を行うので、ボタン20の押し込みのストロークに対応して照射面21aも押し込み方向に移動する。   At this time, since the light source 16 is turned on to indicate the ignition state when the button 20 is in the pushing position, the irradiation surface 21a also moves in the pushing direction in accordance with the pushing stroke of the button 20.

これは、光源16の配置スペースが操作つまみ装置の背面部分に制約される環境下においても、照射面21aが光源16に接近する点で都合が良い。即ち、本発明の操作つまみ装置を採用するに際しては、上記のようにボタン20を押し込んだ位置で点火作動する方式のプッシュ-プッシュ式ガス点消火機構が有利である。   This is advantageous in that the irradiation surface 21a approaches the light source 16 even in an environment where the arrangement space of the light source 16 is restricted by the back surface portion of the operation knob device. That is, when the operation knob device of the present invention is adopted, a push-push type gas point fire extinguishing mechanism that ignites at the position where the button 20 is pushed as described above is advantageous.

なお、ボタン20の押し込みストロークに伴い照射面21aも押し込み方向に移動する(図2のつまみ体13の破線位置参照)が、使用時の押し込み位置でもローレット25(図4参照)の刻設部分が、パネル操作面11の外側位置に留まるように設定する。これは、後述するようにローレット25で高い輝度が得られるため、この刻設部分をパネル操作面11の外側位置で常に覗かせておく必要のためである。ローレット25の刻設部分がパネル操作面11の背面側に隠れると透光性外周部21の輝映効果が顕著に低下してしまう。   The irradiation surface 21a also moves in the pushing direction with the pushing stroke of the button 20 (see the broken line position of the knob body 13 in FIG. 2). The setting is made so as to remain at the outer position of the panel operation surface 11. This is because, as will be described later, high brightness is obtained with the knurl 25, and therefore this engraved portion needs to be always looked at the outside position of the panel operation surface 11. If the engraved portion of the knurl 25 is hidden behind the panel operation surface 11, the brightness effect of the translucent outer peripheral portion 21 is significantly reduced.

図4は、これら各構成部品が装着されたときのボタン付操作つまみ体13の断面図である。本図で明示するように、照射面21aの内側に所定ピッチのローレット25が透光性外周部21の全周に亘って刻設される。   FIG. 4 is a cross-sectional view of the button-equipped operation knob body 13 when these components are mounted. As clearly shown in the figure, knurls 25 having a predetermined pitch are engraved over the entire circumference of the translucent outer peripheral portion 21 inside the irradiation surface 21 a.

照射面21aに対して光源16からの発光を照射するに際しては、図2及び図4を参照して、まず、照射光が透光性外周部21に照射される。この透光性外周部21で反射された照射光は、周壁部14a、14bの反射性内周面14dに到達し、ここで反射されて、再び透光性外周部21を照射する。このとき、周壁部14a、14bはボタン付操作つまみ体13を囲繞して形成されているので、透光性外周部21での反射→反射性内周面14dでの反射→透光性外周部21での再反射→反射性内周面14dでの再反射、というサイクルは、透光性外周部21の全周に亘ってランダムに繰り返される。   When irradiating the light emission from the light source 16 with respect to the irradiation surface 21a, with reference to FIG.2 and FIG.4, first, irradiation light is irradiated to the translucent outer peripheral part 21. FIG. The irradiation light reflected by the translucent outer peripheral portion 21 reaches the reflective inner peripheral surface 14d of the peripheral wall portions 14a and 14b, is reflected here, and irradiates the translucent outer peripheral portion 21 again. At this time, since the peripheral wall portions 14a and 14b are formed so as to surround the operation knob body 13 with a button, reflection at the translucent outer peripheral portion 21 → reflection at the reflective inner peripheral surface 14d → translucent outer peripheral portion The cycle of re-reflection at 21 → re-reflection at the reflective inner peripheral surface 14 d is repeated at random over the entire circumference of the translucent outer peripheral portion 21.

この結果、透光性外周部21の全周に亘って、光源16からの照射光の伝播が一様に行われる。さらに、この際に伝播される照射光は、照射面21aに刻設されたローレット25で乱反射されて輝きを得る。   As a result, the propagation of the irradiation light from the light source 16 is performed uniformly over the entire circumference of the translucent outer peripheral portion 21. Furthermore, the irradiation light propagated at this time is diffusely reflected by the knurling 25 engraved on the irradiation surface 21a to obtain brightness.

したがって、バックライト光源16の光源数が最小限であっても、ボタン20の外周に相当する透光性外周部21の全周に亘り、充分な輝度で均一な集光を得ることができる。そして、照射面21aのうち、開口12より操作パネル11の前側に突出した領域と、外周部21の前端面とが全周に亘って照り輝く。特に、ローレット25で局部的に輝きが生じて視認効果が高くなる。また、本形態のように照射面21aにローレット25が刻設されていると、その反射及び再反射のサイクルが効果的に行われる。   Therefore, even if the number of light sources of the backlight light source 16 is a minimum, uniform condensing with sufficient luminance can be obtained over the entire periphery of the translucent outer peripheral portion 21 corresponding to the outer periphery of the button 20. And the area | region which protruded to the front side of the operation panel 11 from the opening 12 among the irradiation surfaces 21a and the front end surface of the outer peripheral part 21 shone over the perimeter. In particular, the knurl 25 is locally brilliant and the visual recognition effect is enhanced. Further, when the knurl 25 is engraved on the irradiation surface 21a as in the present embodiment, the reflection and re-reflection cycles are effectively performed.

なお、光源16からの照射光が、照射面21aに対して略45°〜60°の角度で入射する場合、即ち、照射面21aの法線に対する角度たる入射角が略30°から45°である場合に、この照明機構において最も高輝度を得ることを知得した。このため、図2における光源16は、略45°の入射角位置に配置するものとした。   In addition, when the irradiation light from the light source 16 is incident on the irradiation surface 21a at an angle of about 45 ° to 60 °, that is, the incident angle that is an angle with respect to the normal line of the irradiation surface 21a is about 30 ° to 45 °. In some cases, it has been found that this illumination mechanism obtains the highest brightness. For this reason, the light source 16 in FIG. 2 is arranged at an incident angle position of approximately 45 °.

図5は、本発明の第2態様の操作つまみ装置に用いられるボタン付操作つまみ体52である。本つまみ体52も、図2に示すつまみ体13と同様に、コンロ前面に位置する操作パネル11に設けた開口12に貫装され、このボタン付操作つまみ体52と、このつまみ体52の奥方部分を、反射体内周面14dを備えた周壁部14a、14bで囲繞して形成されるつまみケース15と、周壁部14bの切り欠き部14cから略45°の入射角で操作つまみ体52を照らす、発光ダイオード素子(LED)から成る光源16とにより操作つまみ装置を構成する。   FIG. 5 shows an operation knob body 52 with buttons used in the operation knob device according to the second aspect of the present invention. As with the knob body 13 shown in FIG. 2, the main knob body 52 is also inserted into the opening 12 provided in the operation panel 11 located on the front surface of the stove. The operation knob body 52 is illuminated at an incident angle of about 45 ° from the knob case 15 formed by surrounding the portion with the peripheral wall portions 14a and 14b having the peripheral surface 14d of the reflector and the notch portion 14c of the peripheral wall portion 14b. The operation knob device is constituted by the light source 16 composed of a light emitting diode element (LED).

図5を参照して、ボタン付操作つまみ体52においても、中実部に相当する位置に、押し戻し可能な鼓形状の点消火用ボタン50が装填され、その周囲を、ポリカーボネート樹脂やアクリル樹脂などの透光性材質で形成した外周部51が囲繞するのが基本構造である。そして、この外周部51の後端部分には、連動部材53が装着され、外周部51の爪51c(図7参照)で係止されている。さらに、透光性外周部51の内周面に当接させて、銅クロムメッキ材質で形成した反射性筒体56を嵌装させた。また、透光性外周部51の前端部分に位置する輝映部分51aには、全周に亘ってその内外両側にそれぞれ所定ピッチのローレット55a、55bが刻設されている。なお、図5中、55aは内側ローレット、55bは外側ローレットを示し、特に、外側ローレット55bは火力調節つまみのすべり止め機能を兼ねている。   Referring to FIG. 5, also in operation knob body 52 with buttons, drum-shaped point-extinguishing button 50 that can be pushed back is loaded at a position corresponding to a solid part, and a polycarbonate resin, an acrylic resin, or the like is placed around it. The basic structure is surrounded by the outer peripheral portion 51 formed of the translucent material. An interlocking member 53 is attached to the rear end portion of the outer peripheral portion 51 and is locked by a claw 51c (see FIG. 7) of the outer peripheral portion 51. Further, a reflective cylinder 56 made of a copper chrome plating material was fitted in contact with the inner peripheral surface of the translucent outer peripheral portion 51. Further, a knurl 55a, 55b having a predetermined pitch is engraved on both the inner and outer sides of the bright portion 51a located at the front end portion of the translucent outer peripheral portion 51 over the entire circumference. In FIG. 5, 55a indicates an inner knurl and 55b indicates an outer knurl. In particular, the outer knurl 55b also serves as a non-slip function of the heating power adjustment knob.

次に、このボタン付操作つまみ体52の詳細構造を図6及び図7に示す。図6の分解斜視図にて示すように、本つまみ体52は、前から順に、火力調節つまみを兼ねた透光性外周部51、反射性筒体56、点消火用ボタン50、連動部材53、及びコック連結体54が連結される。なお、図外の付勢ばね機構などによりプッシュ-プッシュ機構を備えたガス開閉機構が取付けられる点は図4に示すものと同様である。   Next, the detailed structure of the button-equipped operation knob body 52 is shown in FIGS. As shown in the exploded perspective view of FIG. 6, the main knob body 52 includes, in order from the front, a translucent outer peripheral portion 51 that also serves as a heating power adjustment knob, a reflective cylinder 56, a point-extinguishing button 50, and an interlocking member 53. , And the cock connector 54 are connected. In addition, the point which the gas opening / closing mechanism provided with the push-push mechanism by the biasing spring mechanism etc. outside a figure attaches is the same as that of what is shown in FIG.

そして、図7は、これら各構成部品が装着されたときのボタン付操作つまみ体52の断面図である。本図で明示するように、透光性外周部51において、その内側にローレット55a、その外側にローレット55bが、それぞれ所定のピッチ間隔で外周部51の全周に亘って刻設される。また、外周部51の内周面には、これに当接した状態で反射性筒体56が嵌装される。   FIG. 7 is a cross-sectional view of the button-equipped operation knob body 52 when these components are mounted. As clearly shown in the drawing, in the translucent outer peripheral portion 51, a knurl 55a is engraved on the inner side and a knurl 55b is engraved on the outer periphery of the outer peripheral portion 51 at a predetermined pitch interval. In addition, a reflective cylindrical body 56 is fitted on the inner peripheral surface of the outer peripheral portion 51 while being in contact with the inner peripheral surface.

そして、光源16からの発光に対して、外周部51での反射(図7参照)→反射性内周面14dでの反射(図2参照)→外周部51での再反射(図7参照)→反射性内周面14dでの再反射(図2参照)、というサイクルが繰り返される。   Then, for light emitted from the light source 16, reflection at the outer peripheral portion 51 (see FIG. 7) → reflection at the reflective inner peripheral surface 14d (see FIG. 2) → rereflection at the outer peripheral portion 51 (see FIG. 7) → The cycle of re-reflection on the reflective inner peripheral surface 14d (see FIG. 2) is repeated.

このとき、図7に示すボタン付操作つまみ体52は、さらに反射性筒体56が外周部51の内周面に嵌装されるため、第1態様のボタン付つまみ体13では外周部21を通過してしまった照射光をもこの反射性筒体56で反射する。このため、この反射光が再び外周部51を通過した後に反射性内周面14dで再反射されることと相俟って、反射のサイクルはより効果的に行われる。即ち、第2態様のボタン付つまみ体52では、第1態様と異なり、ボタン50により照射光が吸収されたり減衰されたりすることなく、その反射及び再反射が維持される。したがって、この照明機能により、透光性外周部51の全周に亘って、高い輝度が均一に得られるのである。また、外周部51には、ローレット55a、55bが内外二重に刻設されるので、ローレット55a、55bで乱反射され、この結果、外周部51の全周に亘って相乗的な集光が行われ、局部的な輝きが得られて視認効果が向上する。なお、本第2態様においても照射面にローレット55a及び/または55bのような光乱反射部を設けることができる。また、第1態様において、反射性筒体56と同様の反射体を設けることもできる。   At this time, in the operation knob body with buttons 52 shown in FIG. 7, the reflective cylinder 56 is further fitted to the inner peripheral surface of the outer peripheral portion 51. Irradiation light that has passed through is also reflected by the reflective cylinder 56. Therefore, coupled with the fact that the reflected light is again reflected by the reflective inner peripheral surface 14d after passing through the outer peripheral portion 51, the reflection cycle is performed more effectively. In other words, unlike the first mode, the knob body 52 with buttons of the second mode maintains its reflection and re-reflection without the irradiation light being absorbed or attenuated by the buttons 50. Therefore, high brightness can be obtained uniformly over the entire circumference of the translucent outer peripheral portion 51 by this illumination function. In addition, since the outer peripheral portion 51 is engraved with knurling 55a and 55b, it is irregularly reflected by the knurling 55a and 55b, and as a result, synergistic condensing is performed over the entire circumference of the outer peripheral portion 51. As a result, local brightness is obtained and the visual effect is improved. In the second aspect, a light irregular reflection portion such as knurling 55a and / or 55b can be provided on the irradiation surface. In the first embodiment, a reflector similar to the reflective cylindrical body 56 can be provided.

なお、図7に示すように、透光性外周部51の前端部分51bを、嵌装したときの反射性筒体56の先端部分56aが挟持されるように折り畳んだ内外二重構造に形成し、この反射性筒体56を内部に封止するようにした。これは、反射性筒体56の嵌装を当接状態のみで行うと、透光性外周部51と反射性筒体56との接触部分に隙間が生じ、調理の際に吹きこぼれた煮汁などがこの隙間から内部に侵入することがあるためである。即ち、密封性の高い内外二重構造で反射性筒体56を内部に収納することにより、こぼれ汁などの侵入が有効に抑制され、反射効果上の利点が得られる。   As shown in FIG. 7, the front end portion 51b of the translucent outer peripheral portion 51 is formed into an inner / outer double structure that is folded so that the front end portion 56a of the reflective cylindrical body 56 is sandwiched. The reflective cylinder 56 is sealed inside. This is because when the reflective cylinder 56 is fitted only in the contact state, a gap is formed in the contact portion between the translucent outer peripheral portion 51 and the reflective cylinder 56, and the spilled broth or the like is lost during cooking. This is because it may enter the inside through this gap. That is, by housing the reflective cylinder 56 in the inner / outer dual structure with high sealing performance, intrusion of spilled juice and the like is effectively suppressed, and an advantage in reflection effect is obtained.

また、図7に示すボタン付つまみ体52には、その後方下面部分に円弧帯状開口52aが設けられている。この開口52aは、透光性外周部51と、この外周部51に嵌装したときの反射性筒体56とにおいて、それぞれの下面位置に、透光性外周部51及び反射性筒体56の軸芯57回り正負略45°ずつの円周角で形成される円弧帯状開口51d、56cが連通して形成されるものである。即ち、透光性外周部51及び反射性筒体56を連通して、ボタン付つまみ体52の下面に四半円周開放口52aを備えることになる。そして、この開口52aにより、たとえこぼれ汁などがつまみ体52の内部に侵入した場合でも、内部を伝ったこぼれ汁が下面開口52aから自然に排出される。こぼれ汁の内部残留を確実に防止し、反射効果だけでなくメンテナンス上の利点を得ることが開口52aの設置目的である。   Further, the button-equipped knob body 52 shown in FIG. 7 is provided with an arc-shaped band-shaped opening 52a on the rear lower surface portion thereof. The opening 52a is formed in the translucent outer peripheral portion 51 and the reflective cylindrical body 56 when fitted to the outer peripheral portion 51 at the lower surface positions of the translucent outer peripheral portion 51 and the reflective cylindrical body 56, respectively. Arc belt-like openings 51d and 56c formed with a circumferential angle of approximately 45 ° each around the axis 57 are formed in communication. That is, the translucent outer peripheral part 51 and the reflective cylinder 56 are communicated, and the quarter-circumferential opening 52a is provided on the lower surface of the knob body 52 with a button. And even if spilled juice or the like enters the inside of the knob body 52, the spilled juice that has passed through the opening 52a is naturally discharged from the lower surface opening 52a. The purpose of the opening 52a is to reliably prevent the spilled juice from remaining inside and to obtain not only the reflection effect but also the maintenance advantage.

なお、本態様において、透光性外周部51の内外両側にローレット55a、55bを刻設したが、片側だけにローレットの刻設を行うようにしても良い。これは、外周部51が透光性材質で形成される限り、光乱反射部たるローレットで照射光の乱反射が得られるからである。したがって、汚れ防止の理由で外周部51の内側だけにローレット55aを刻設し、あるいは、乱反射効果の増大のため内外両側にローレット55a、55bを刻設するなどの適宜変更が可能である。   In this embodiment, the knurls 55a and 55b are engraved on both the inner and outer sides of the translucent outer peripheral portion 51. However, the knurls may be engraved only on one side. This is because, as long as the outer peripheral portion 51 is formed of a translucent material, irregular reflection of irradiation light can be obtained by the knurl as the light irregular reflection portion. Therefore, it is possible to appropriately change the knurling 55a only on the inner side of the outer peripheral portion 51 for the purpose of preventing contamination, or knurling 55a, 55b on both the inner and outer sides to increase the diffuse reflection effect.

なお、第1及び第2のいずれの態様においても、点消火用ボタン20、50を押すことにより、連動部材23、53を介して外周部21、51が押されて点火位置となる。そして、その点火位置において外周部21、51が回動されてガス量の絞り操作が行われることを例示して説明した。しかし、連動部材23、53を除外した構成により、点消火用ボタン20、50のみが押し込み操作時に移動し、外周部21、51は不動の固定状態を保ちつつ、これの回動時のガス量絞り操作のみの機能としても良い。   In both the first and second modes, when the point-extinguishing buttons 20 and 50 are pressed, the outer peripheral portions 21 and 51 are pressed via the interlocking members 23 and 53 to reach the ignition position. And it demonstrated and demonstrated that the outer peripheral parts 21 and 51 were rotated in the ignition position, and throttle operation of gas amount was performed. However, with the configuration excluding the interlocking members 23 and 53, only the point-extinguishing buttons 20 and 50 are moved during the pushing operation, and the outer peripheral portions 21 and 51 are kept stationary and the gas amount at the time of rotation thereof is maintained. It is good also as a function only of aperture operation.

また、本形態においては、光乱反射部としてローレット25、55a、55bを刻設したが、ローレットに替り、微細な凹凸から成る“しぼ”を形成しても良い。   Further, in this embodiment, the knurls 25, 55a, and 55b are engraved as the light irregular reflection portions. However, instead of the knurls, “wrinkles” made of fine irregularities may be formed.

本発明は、調理器具にとどまらず、限られたバックライト光源スペースでも高輝度かつ均一な照明機能が要望される操作パネルに活用可能である。   The present invention is not limited to cooking utensils, and can be used for an operation panel that requires a high luminance and uniform illumination function even in a limited backlight light source space.

ボタン付操作つまみを備えたグリル付ビルトインコンロの外観斜視図External perspective view of a built-in stove with a grill equipped with an operation knob with buttons 本発明の操作つまみ装置の第1態様を示す側面概略図Side surface schematic diagram which shows the 1st aspect of the operation knob apparatus of this invention. 同第1態様に用いるボタン付操作つまみ体の分解斜視図The exploded perspective view of the operation knob body with a button used for the 1st mode 同第1態様に用いるボタン付操作つまみ体の概略断面図Schematic sectional view of the button-equipped operating knob used in the first embodiment 本発明の操作つまみ装置の第2態様に用いられるボタン付操作つまみ体の斜視図The perspective view of the operation knob body with a button used for the 2nd aspect of the operation knob apparatus of this invention. 同第2態様に用いるボタン付操作つまみ体の分解斜視図The exploded perspective view of the operation knob object with a button used for the 2nd mode 同第2態様に用いるボタン付操作つまみ体の概略断面図Schematic cross-sectional view of an operation knob body with buttons used in the second mode

符号の説明Explanation of symbols

11 操作パネル
6a 7a 8a 9a 外周部
12 開口
13 52 操作つまみ体(操作ボタン)
14a 14b 周壁部
14d 反射体内周面
15 つまみケース
16 光源
20 50 点消火用ボタン(中実部)
21 51 透光性外周部(透光性筒体、筒体外周部)
21a 照射面
51b 前端部分
25 55a 55b ローレット(光乱反射部)
56 反射性筒体(反射体)
56a 先端部分
51d 56c 52a 円弧帯状開口
11 Operation panel 6a 7a 8a 9a Outer peripheral part 12 Opening 13 52 Operation knob body (operation button)
14a 14b Perimeter wall portion 14d Reflector inner peripheral surface 15 Knob case 16 Light source 20 50 Point-extinguishing button (solid portion)
21 51 Translucent outer peripheral part (translucent cylindrical body, cylindrical outer peripheral part)
21a Irradiation surface 51b Front end part 25 55a 55b Knurl (light diffuse reflection part)
56 Reflective cylinder (reflector)
56a Tip portion 51d 56c 52a Circular belt-shaped opening

Claims (6)

操作パネルに設けた開口を貫装し、全周に亘り光乱反射部を設けると共に外周部を透光性とした筒体と、該筒体を囲繞すると共に該筒体外周に対向する内周面を反射体とした周壁部から成るつまみケースと、前記筒体を照らす光源とを設けたことを特徴とする操作つまみ装置。 A cylindrical body penetrating an opening provided in the operation panel, providing a diffused light reflection portion over the entire circumference and having a translucent outer peripheral portion, and an inner peripheral surface surrounding the cylindrical body and facing the outer periphery of the cylindrical body An operation knob device comprising: a knob case made of a peripheral wall with a reflector and a light source for illuminating the cylindrical body. 前記筒体を、透光性筒体から成る筒体外周部と、その中に貫装される中実部との別体構成とし、前記筒体外周部と前記中実部とが互いに独立して可動な操作ボタンを構成することを特徴とする請求項1に記載の操作つまみ装置。 The cylindrical body is configured as a separate body composed of a cylindrical outer peripheral portion made of a translucent cylindrical body and a solid portion penetrating therein, and the cylindrical outer peripheral portion and the solid portion are independent of each other. 2. The operation knob device according to claim 1, wherein the operation knob device comprises a movable operation button. 前記筒体の透光性外周部の内側に、さらに反射体を設けたことを特徴とする請求項1または2に記載の操作つまみ装置。 The operation knob device according to claim 1, wherein a reflector is further provided inside the translucent outer peripheral portion of the cylindrical body. 前記反射体を筒体とすると共に、前記筒体外周部の前端部分は、該反射性筒体の先端部分の内外両側を挟持するように折り畳まれた内外二重構造に形成されることを特徴とする請求項3に記載の操作つまみ装置。 The reflector is a cylindrical body, and the front end portion of the outer peripheral portion of the cylindrical body is formed into an inner / outer double structure that is folded so as to sandwich both the inner and outer sides of the distal end portion of the reflective cylinder. The operation knob device according to claim 3. 前記筒体外周部と、前記反射性筒体とに、それぞれの下面位置に開口を形成することを特徴とする請求項4に記載の操作つまみ装置。 The operation knob device according to claim 4, wherein an opening is formed in a lower surface position of each of the outer peripheral portion of the cylindrical body and the reflective cylindrical body. 前記光源からの照射光は、該光源が照らす筒体の照射面に対して、略45°〜60°の角度で入射することを特徴とする請求項1乃至5のいずれか1項に記載の操作つまみ装置。 The irradiation light from the light source is incident at an angle of approximately 45 ° to 60 ° with respect to the irradiation surface of the cylindrical body illuminated by the light source. Operation knob device.
JP2004002489A 2004-01-07 2004-01-07 Operation knob device Expired - Fee Related JP4363992B2 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100854156B1 (en) 2007-04-23 2008-08-26 엘지전자 주식회사 Cooking appliance and controlling method thereof
JP2010067497A (en) * 2008-09-11 2010-03-25 Osaka Gas Co Ltd Knob dialing device
WO2017026960A1 (en) 2015-08-10 2017-02-16 Arcelik Anonim Sirketi A household appliance comprising a knob with illuminated outer periphery
JP2019074293A (en) * 2017-10-19 2019-05-16 株式会社ハーマン Gas cooking stove
JP2020106198A (en) * 2018-12-27 2020-07-09 株式会社ハーマン Operation device in heating cooker
JP7551118B2 (en) 2021-02-04 2024-09-17 株式会社パロマ Cooking equipment
JP7563749B2 (en) 2021-02-18 2024-10-08 株式会社パロマ Stove

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100854156B1 (en) 2007-04-23 2008-08-26 엘지전자 주식회사 Cooking appliance and controlling method thereof
JP2010067497A (en) * 2008-09-11 2010-03-25 Osaka Gas Co Ltd Knob dialing device
WO2017026960A1 (en) 2015-08-10 2017-02-16 Arcelik Anonim Sirketi A household appliance comprising a knob with illuminated outer periphery
US10648675B2 (en) 2015-08-10 2020-05-12 Arcelik Anonim Sirketi Household appliance comprising a knob with illuminated outer periphery
JP2019074293A (en) * 2017-10-19 2019-05-16 株式会社ハーマン Gas cooking stove
JP6995559B2 (en) 2017-10-19 2022-01-14 株式会社ハーマン Gas stove
JP2020106198A (en) * 2018-12-27 2020-07-09 株式会社ハーマン Operation device in heating cooker
JP7214473B2 (en) 2018-12-27 2023-01-30 株式会社ハーマン Operating device in heating cooker
JP7551118B2 (en) 2021-02-04 2024-09-17 株式会社パロマ Cooking equipment
JP7563749B2 (en) 2021-02-18 2024-10-08 株式会社パロマ Stove

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