JP3860566B2 - Stove burner for stove - Google Patents

Stove burner for stove Download PDF

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JP3860566B2
JP3860566B2 JP2003290630A JP2003290630A JP3860566B2 JP 3860566 B2 JP3860566 B2 JP 3860566B2 JP 2003290630 A JP2003290630 A JP 2003290630A JP 2003290630 A JP2003290630 A JP 2003290630A JP 3860566 B2 JP3860566 B2 JP 3860566B2
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Prior art keywords
burner
parent
flame
child
stove
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JP2005061688A (en
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英行 冨浦
匡順 猪股
万之 赤木
裕康 佐藤
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Rinnai Corp
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Rinnai Corp
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Priority to JP2003290630A priority Critical patent/JP3860566B2/en
Priority to TW093121874A priority patent/TWI275736B/en
Priority to KR1020040060799A priority patent/KR100604134B1/en
Priority to CNB2004100558989A priority patent/CN100476296C/en
Publication of JP2005061688A publication Critical patent/JP2005061688A/en
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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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/008—Ranges
    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Description

本発明は、環状の親バーナと、親バーナの内側に配置される子バーナとを備えるコンロ用親子バーナに関する。   The present invention relates to a cooker parent-child burner including an annular parent burner and a child burner disposed inside the parent burner.

従来、この種の親子バーナでは、一般的に、親バーナと子バーナとを、外周部に外向きに開口する複数の炎孔を形成して成る外炎式バーナで構成している。ここで、熱効率を向上させるには、燃焼排ガスが五徳上の調理容器の底面外方に流れ出るまでの接触時間をできるだけ長く確保できるようにすることが望まれるが、親バーナを外炎式バーナで構成すると、親バーナの炎は調理容器の底面の外周寄りの部分に当るため、調理容器に対する燃焼排ガスの接触時間が短くなり、熱効率を向上させることが困難になる。   Conventionally, in this kind of parent-child burner, generally, the parent burner and the child burner are constituted by an external flame type burner formed by forming a plurality of flame holes opening outward in the outer peripheral portion. Here, in order to improve the thermal efficiency, it is desirable to ensure as long as possible the contact time until the flue gas flows out of the bottom of the cooking container on the five virtues, but the parent burner is an external flame burner. If configured, the flame of the parent burner hits the portion near the outer periphery of the bottom surface of the cooking vessel, so the contact time of the combustion exhaust gas with the cooking vessel is shortened, and it is difficult to improve the thermal efficiency.

そこで、親バーナとして、内周部に内向きに開口する複数の炎孔を形成した内炎式バーナを用いる親子バーナも従来知られている(例えば、特許文献１参照。)。然し、このものでは、子バーナを外炎式バーナで構成しており、親バーナの炎孔から内向きに伸びる炎と子バーナの炎孔から外向きに伸びる炎との干渉を防止するためには、親バーナの内径を大きくせざるを得ない。そのため、親子バーナが大型化する不具合がある。
特開平１０−２２０７１５号公報 Therefore, a parent-child burner that uses an internal flame burner in which a plurality of flame holes that open inward in the inner peripheral portion is used as a parent burner is conventionally known (see, for example, Patent Document 1). However, in this case, the child burner is composed of an external flame type burner, in order to prevent interference between the flame extending inward from the flame hole of the parent burner and the flame extending outward from the flame hole of the child burner. Has to increase the inner diameter of the parent burner. Therefore, there is a problem that the parent-child burner is enlarged.
Japanese Patent Laid-Open No. 10-220715

本発明は、以上の点に鑑み、親バーナを内炎式バーナで構成して熱効率を向上し、且つ、小型化を図れるようにしたコンロ用親子バーナを提供することをその課題としている。   This invention makes it the subject to provide the parent-child burner for stoves which comprised the parent burner with the internal flame type burner, improved thermal efficiency, and achieved size reduction in view of the above point.

上記課題を解決するために、本発明では、環状の親バーナと、親バーナの内側に配置される子バーナとを備えるコンロ用親子バーナであって、親バーナを、内周部に内向きに開口する複数の炎孔を形成した内炎式バーナで構成するものにおいて、子バーナを、上端部に上向きに開口する複数の炎孔を形成した上炎式バーナで構成すると共に、親バーナの炎孔を親バーナの径方向内方に向けて周方向一方に所定の振り角で傾斜させ、この振り角は、親バーナの炎孔からのガス噴出軸線に接する親バーナの環状中心と同心の円が子バーナより大径になるように設定される。 In order to solve the above-mentioned problem, in the present invention, there is provided a parent-child burner for a stove comprising an annular parent burner and a child burner disposed inside the parent burner, and the parent burner is directed inwardly toward the inner periphery. In the structure constituted by the internal flame type burner in which a plurality of open flame holes are formed, the child burner is constituted by the upper flame type burner in which a plurality of flame holes opened upward at the upper end portion, and the flame of the parent burner. The hole is inclined inward in the radial direction of the parent burner at a predetermined swing angle in one circumferential direction , and this swing angle is a circle concentric with the annular center of the parent burner in contact with the gas ejection axis from the flame hole of the parent burner. child Ru is set to be larger in diameter than the burner.

上記の構成によれば、子バーナの炎は親バーナの内側中央部において上方に伸び、親バーナに向けて外方に伸びる炎が形成される外炎式の子バーナを用いる従来の親子バーナに比し、親バーナと子バーナの炎の干渉が生じにくくなる。更に、親バーナの炎孔を周方向に傾斜させることで、親バーナの炎に周方向への旋回運動成分が与えられ、炎の内方への伸びが抑えられる。即ち、炎孔からのガス噴出軸線に接する親バーナの環状中心と同心の円(ガス噴出軸線の内接円)の内方には炎が伸びにくくなる。そして、本発明では、ガス噴出軸線の内接円が子バーナよりも大径になるように、炎孔の振り角を設定しているため、親バーナの内径を比較的小さくしても、親バーナと子バーナの炎の干渉を生じず、親子バーナの小型化を図れる。 According to the above configuration, the flame of the child burner extends upward in the inner central portion of the parent burner, and a conventional parent-child burner using an external flame type child burner in which a flame extending outward toward the parent burner is formed. In comparison, the flame interference between the parent burner and the child burner is less likely to occur. Furthermore, by tilting the flame hole of the parent burner in the circumferential direction, a component of rotational movement in the circumferential direction is given to the flame of the parent burner, and the inward extension of the flame is suppressed. That is, it is difficult for the flame to extend inside a circle (inscribed circle of the gas ejection axis) concentric with the annular center of the parent burner that is in contact with the gas ejection axis from the flame hole. In the present invention, since the swing angle of the flame hole is set so that the inscribed circle of the gas ejection axis is larger than the diameter of the child burner, even if the inner diameter of the parent burner is relatively small, It is possible to reduce the size of the parent / child burner without causing interference between the flames of the burner and the child burner.

尚、親バーナの炎孔の周方向への傾斜角を大きくする程、炎が内方に伸びにくくなるが、加工上の制約から傾斜角を大きくするにも限度がある。ここで、親バーナの炎孔が上下方向に長手のスリット状である場合、炎孔を上方に向かって前記周方向一方に傾斜させれば、図４に示すように、炎孔の下端からのガス噴出軸線Ａ１に対し炎孔の上端からのガス噴出軸線Ａ２が径方向外方にずれ、炎の内方への伸びを効果的に抑制できる。更に、スリット状の炎孔に対応して薄く上下方向に広がる炎が外側に寝るため、上方からの二次空気の接触面積が増し、燃焼性も良好になる。   Note that as the inclination angle in the circumferential direction of the flame hole of the parent burner increases, the flame becomes more difficult to extend inward, but there is a limit to increasing the inclination angle due to processing restrictions. Here, when the flame hole of the parent burner is in the shape of a slit elongated in the vertical direction, if the flame hole is inclined upward in the circumferential direction, as shown in FIG. The gas ejection axis A2 from the upper end of the flame hole is displaced radially outward with respect to the gas ejection axis A1, and the inward expansion of the flame can be effectively suppressed. Further, since the flame spreading thinly in the vertical direction corresponding to the slit-shaped flame hole lies on the outside, the contact area of the secondary air from above is increased and the combustibility is also improved.

また、親バーナの炎孔を径方向内方に向けて上方に傾斜させれば、親バーナの炎の内方への伸びが一層抑制され、一層の小型化を図れる。この場合、親バーナの炎孔が開口する内周の炎孔開口面を上方に向かって拡径するテーパ面に形成しておけば、親バーナの炎の上側の外面と炎孔開口面との間に上方に向かって広がる空間が確保され、炎孔の近傍部分に上方から二次空気がスムーズに供給される。そのため、炎が二次空気を求めて外側に広がることを抑制でき、熱効率が向上する。   Further, if the flame hole of the parent burner is inclined upward inward in the radial direction, the inward expansion of the flame of the parent burner is further suppressed, and further miniaturization can be achieved. In this case, if the inner flame hole opening surface where the flame hole of the parent burner opens is formed into a tapered surface that expands upward, the upper outer surface of the flame of the parent burner and the flame hole opening surface A space extending upward is ensured, and secondary air is smoothly supplied from above to the vicinity of the flame hole. Therefore, it is possible to suppress the flame from spreading to the outside in search of secondary air, and the thermal efficiency is improved.

また、子バーナの上端部が親バーナの炎孔の下端と同等高さ又はそれ以下の高さになるように、子バーナの配置高さを設定しておけば、親バーナと子バーナの炎の干渉をより効果的に防止でき、更には、親バーナの炎による子バーナの過熱も防止できる。   Also, if the child burner placement height is set so that the upper end of the child burner is equal to or lower than the lower end of the flame hole of the parent burner, the flame of the parent burner and child burner Can be more effectively prevented, and further, overheating of the child burner due to the flame of the parent burner can be prevented.

図１を参照して、１はコンロ本体であり、コンロ本体１に、環状の親バーナ３と、親バーナ３の内側に配置した子バーナ４とを備える親子バーナ２を設けて、コンロ本体１の上面を覆う天板５に開設したバーナ用開口５ａに親子バーナ２を臨入させている。天板５上には、バーナ用開口５ａの開口縁部を覆うようにしてカバーリング６が載置され、更に、カバーリング６の外側で天板５に着座する丸棒材製の環状の五徳枠７ａと五徳枠７ａに固定した複数の五徳爪７ｂとで構成される五徳７が載置されている。   Referring to FIG. 1, reference numeral 1 denotes a stove body. The stove body 1 is provided with a parent-child burner 2 including an annular parent burner 3 and a child burner 4 arranged inside the parent burner 3. The parent-child burner 2 is allowed to enter the burner opening 5a opened on the top plate 5 covering the upper surface of the burner. On the top plate 5, a cover ring 6 is placed so as to cover the opening edge of the burner opening 5 a, and furthermore, an annular five virtues made of a round bar material seated on the top plate 5 outside the cover ring 6. The virtues 7 composed of a frame 7a and a plurality of virtuosity claws 7b fixed to the virtuosity frame 7a are placed.

親子バーナ２の親バーナ３は、内周部に内向きに開口する複数の炎孔３１を形成した内炎式バーナで構成され、子バーナ４は、上端部に上向きに開口する複数の炎孔４１を形成した上炎式バーナで構成されている。これを図２、図３も参照して詳述する。   The parent burner 3 of the parent-child burner 2 is constituted by an internal flame type burner in which a plurality of flame holes 31 opening inward is formed in the inner peripheral portion, and the child burner 4 is a plurality of flame holes opening upward at the upper end portion. The upper flame type burner 41 is formed. This will be described in detail with reference to FIGS.

親バーナ３は、混合管部３２を一体に形成した環状のバーナボディー３３と、バーナボディー３３上に載置される環状のバーナヘッド３４とで構成されている。バーナヘッド３４は、内周壁部３４１と外周壁部３４２と内外両周壁部３４１，３４２間の上端を閉塞して外方にのびる上壁部３４３とを有する。そして、親バーナ３の内周部たるバーナヘッド３４の内周壁部３４１に、内向きに開口する上下方向に長手のスリット状の炎孔３１が周方向に間隔を存して複数形成されている。尚、二次空気不足による燃焼不良の発生を防止するため、炎孔３１は、２個置きに小さな炎孔３１´に形成されている。   The parent burner 3 includes an annular burner body 33 in which a mixing tube portion 32 is integrally formed, and an annular burner head 34 placed on the burner body 33. The burner head 34 has an inner wall portion 341, an outer wall portion 342, and an upper wall portion 343 that closes the upper end between the inner and outer peripheral wall portions 341 and 342 and extends outward. A plurality of slit-shaped flame holes 31 that are open inward and that are long in the vertical direction are formed in the inner peripheral wall portion 341 of the burner head 34 that is the inner peripheral portion of the parent burner 3 at intervals in the circumferential direction. . In order to prevent the occurrence of poor combustion due to the shortage of secondary air, every two flame holes 31 are formed in small flame holes 31 '.

各炎孔３１は、図４に示すように、親バーナ３の径方向内方に向かって周方向一方(図４の時計方向)に所定の振り角αで傾斜している。そのため、炎孔３１からの噴出ガスの燃焼で生成される炎に周方向への旋回運動成分が与えられ、炎の内方への伸びが抑制される。即ち、炎孔３１からのガス噴出軸線に接する親バーナ３の環状中心と同心の円(以下、ガス噴出軸線の内接円と記す)の内方には炎が伸びにくくなる。この場合、ガス噴出軸線の内接円が子バーナ４よりも大径になるように、炎孔３１の振り角αを設定することが望ましい。   As shown in FIG. 4, each flame hole 31 is inclined at a predetermined swing angle α in one circumferential direction (clockwise in FIG. 4) toward the inside in the radial direction of the parent burner 3. Therefore, a swirl motion component in the circumferential direction is given to the flame generated by the combustion of the gas ejected from the flame hole 31, and the inward extension of the flame is suppressed. That is, it is difficult for the flame to extend inside a circle concentric with the annular center of the parent burner 3 in contact with the gas ejection axis from the flame hole 31 (hereinafter referred to as an inscribed circle of the gas ejection axis). In this case, it is desirable to set the swing angle α of the flame hole 31 so that the inscribed circle of the gas ejection axis is larger in diameter than the child burner 4.

また、各炎孔３１は、図５に示す如く、上方に向かって前記周方向一方(時計方向)に傾斜している。これによれば、炎孔３１の下端からのガス噴出軸線Ａ１に対し炎孔３１の上端からのガス噴出軸線Ａ２が径方向外方にずれ、下端のガス噴出軸線Ａ１の内接円Ｓ１よりも上端のガス噴出軸線Ａ２の内接円Ｓ２の方が大径になり、炎の内方への伸びがより効果的に抑制される。更に、スリット状の炎孔３１に対応して薄く上下方向に広がる炎が外側に寝るため、上方からの二次空気の接触面積が増し、燃焼性も良好になる。   Further, as shown in FIG. 5, each flame hole 31 is inclined upward in the circumferential direction (clockwise). According to this, the gas ejection axis A2 from the upper end of the flame hole 31 is shifted radially outward with respect to the gas ejection axis A1 from the lower end of the flame hole 31, and is smaller than the inscribed circle S1 of the gas ejection axis A1 at the lower end. The inscribed circle S2 of the gas ejection axis A2 at the upper end has a larger diameter, and the inward expansion of the flame is more effectively suppressed. Furthermore, since the flame spreading thinly in the vertical direction corresponding to the slit-shaped flame hole 31 lies on the outside, the contact area of the secondary air from above is increased, and the combustibility is also improved.

また、各炎孔３１は、径方向内方に向けて上方に傾斜しており、これによっても炎の内方への伸びが抑制されている。更に、炎孔３１が開口する炎孔開口面３４４(内周壁部３４１の内周面)は上方に向かって拡径するテーパ面に形成されている。これにより、炎孔３１の炎Ｆ１の上側の外面と炎孔開口面３４４との間に上方に向かって広がる空間が確保され、炎孔３１の近傍部分に上方から二次空気がスムーズに供給される。そのため、炎Ｆ１が二次空気を求めて外側に広がることを抑制できる。その結果、五徳７上の調理容器Ｐの底面に当る炎の位置が外側にずれることを抑制して、熱効率を向上することができる。   Further, each flame hole 31 is inclined upward inward in the radial direction, and this also suppresses the inward expansion of the flame. Furthermore, the flame hole opening surface 344 (the inner circumferential surface of the inner circumferential wall portion 341) through which the flame hole 31 is opened is formed as a tapered surface whose diameter increases upward. Thereby, a space extending upward is secured between the outer surface of the flame hole 31 on the upper side of the flame F1 and the flame hole opening surface 344, and secondary air is smoothly supplied to the vicinity of the flame hole 31 from above. The Therefore, it is possible to suppress the flame F <b> 1 from spreading to the outside in search of secondary air. As a result, it is possible to prevent the position of the flame that hits the bottom surface of the cooking container P on the virtues 7 from shifting outward, and to improve thermal efficiency.

バーナヘッド３４の上壁部３４３は、その外径がカバーリング６の内径より若干大きくなるように形成されている。そして、上壁部３４３の上面を、その内周に形成した環状の突条３４５から外方に向かって下方に傾斜させ、上壁部３４３に落下した煮こぼれがカバーリング６に向けて流下されるようにしている。   The upper wall portion 343 of the burner head 34 is formed so that its outer diameter is slightly larger than the inner diameter of the cover ring 6. Then, the upper surface of the upper wall portion 343 is inclined downward from an annular protrusion 345 formed on the inner periphery thereof, and the spilled liquid falling on the upper wall portion 343 flows down toward the cover ring 6. I try to do it.

子バーナ４は、混合管部４２を有する環状のバーナボディー４３と、バーナボディー４３上に載置される環状のバーナヘッド４４とで構成されている。バーナヘッド４４は、内周壁部４４１と外周壁部４４２と内外両周壁部４４１，４４２の上端間を覆う上壁部４４３とを有する。そして、子バーナ４の上端部たるバーナヘッド４４の上壁部４４３に、上向きに開口する径方向に長手のスリット状の炎孔４１が放射状に複数形成されている。   The sub-burner 4 includes an annular burner body 43 having a mixing tube portion 42 and an annular burner head 44 mounted on the burner body 43. The burner head 44 includes an inner peripheral wall portion 441, an outer peripheral wall portion 442, and an upper wall portion 443 that covers between the upper ends of the inner and outer peripheral wall portions 441 and 442. A plurality of radially slit-shaped flame holes 41 that are open upward are radially formed in the upper wall portion 443 of the burner head 44 that is the upper end portion of the child burner 4.

このように子バーナ４を上向きの炎孔４１を有する上炎式バーナで構成することにより、子バーナ４の炎Ｆ２は、親バーナ３の内側中央部で上方に伸び、親バーナ３の炎Ｆ１の内方への伸びが上記の如く抑制されることと相俟って、親バーナ３の内径を比較的小さくしても親バーナ３と子バーナ４の炎Ｆ１，Ｆ２の干渉は生じなくなる。そのため、親子バーナ２の小型化を図ることができる。   By configuring the child burner 4 with the upper flame type burner having the upward flame hole 41 in this way, the flame F2 of the child burner 4 extends upward at the inner central portion of the parent burner 3, and the flame F1 of the parent burner 3 Combined with the fact that the inward expansion of the main burner 3 is suppressed as described above, even if the inner diameter of the parent burner 3 is relatively small, the interference between the flames F1 and F2 of the parent burner 3 and the child burner 4 does not occur. Therefore, size reduction of the parent-child burner 2 can be achieved.

また、子バーナ４は、バーナヘッド４４の上壁部４４３が親バーナ３の炎孔３１の下端と同等高さになるように配置されている。上壁部４４３が親バーナ３の炎孔３１の下端より上方に位置すると、上壁部４４３近傍で子バーナ４の炎Ｆ２の径が大きい部分に向けて親バーナ３の炎Ｆ１が伸びることになり、炎Ｆ１，Ｆ２の干渉を避ける上で不利になり、更に、親バーナ３の炎Ｆ１によるバーナヘッド４４の過熱も生じ易くなる。一方、上壁部４４３の配置高さが親バーナ３の炎孔３１の下端と同等高さであれば、子バーナ４の炎Ｆ２が或る程度窄まった部分で親バーナ３の炎Ｆ１が最接近するようになるため、炎Ｆ１，Ｆ２の干渉を避ける上で有利であり、また、バーナヘッド４４の過熱も抑制される。尚、上壁部４４３を親バーナ３の炎孔３１の下端より下方に位置させても良いが、熱効率を向上させるには、炎孔４１と調理容器Ｐとの間の上下方向距離を短くした方が良く、そのため、本実施形態の如く上壁部４４３が親バーナ３の炎孔３１の下端と同等高さになるように子バーナ４を配置することが望ましい。   Further, the child burner 4 is arranged so that the upper wall portion 443 of the burner head 44 is at the same height as the lower end of the flame hole 31 of the parent burner 3. When the upper wall portion 443 is positioned above the lower end of the flame hole 31 of the parent burner 3, the flame F1 of the parent burner 3 extends toward the portion where the diameter of the flame F2 of the child burner 4 is large in the vicinity of the upper wall portion 443. This is disadvantageous in avoiding interference between the flames F1 and F2, and further, the burner head 44 is likely to be overheated by the flame F1 of the parent burner 3. On the other hand, if the arrangement height of the upper wall portion 443 is equal to the lower end of the flame hole 31 of the parent burner 3, the flame F1 of the parent burner 3 is at a portion where the flame F2 of the child burner 4 is constricted to some extent. Since it comes closest, it is advantageous in avoiding the interference of the flames F1 and F2, and the overheating of the burner head 44 is also suppressed. The upper wall portion 443 may be positioned below the lower end of the flame hole 31 of the parent burner 3, but the vertical distance between the flame hole 41 and the cooking container P is shortened in order to improve thermal efficiency. Therefore, it is desirable to arrange the child burner 4 so that the upper wall portion 443 is at the same height as the lower end of the flame hole 31 of the parent burner 3 as in this embodiment.

バーナヘッド４４の外周壁部４４２の周方向の一部には、点火電極４５を臨ませる点火用炎孔４４４と、火炎検知素子たる熱電対４６を臨ませる火炎検知用炎孔４４５とが形成されている。バーナヘッド４４には、更に、点火用炎孔４４４の直上部に位置させて、外方に張り出す煮こぼれ対策用の庇部４４６が設けられており、庇部４４６の下面に形成したターゲット４４７と点火電極４５との間での火花放電により点火用炎孔４４４からの噴出ガスに点火される。そして、点火用炎孔４４４の炎から火移りする火炎検知用炎孔４４５の炎により子バーナ４の炎孔４１と親バーナ３の炎孔３１とへの火移りが行われるようにしている。   An ignition flame hole 444 that faces the ignition electrode 45 and a flame detection flame hole 445 that faces the thermocouple 46 that is a flame detection element are formed in a part of the outer peripheral wall portion 442 of the burner head 44 in the circumferential direction. ing. The burner head 44 is further provided with a flange portion 446 that is positioned directly above the ignition flame hole 444 and that protrudes outwardly, and a target 447 formed on the lower surface of the flange portion 446. Spark gas between the ignition electrode 45 and the ignition electrode 45 ignites the gas ejected from the ignition flame hole 444. The flame is transferred from the flame of the ignition flame hole 444 to the flame hole 41 of the child burner 4 and the flame hole 31 of the parent burner 3 by the flame of the flame detection flame hole 445.

尚、上記実施形態では、親バーナ３と子バーナ４とを、夫々、バーナボディー３３，４３とバーナヘッド３４，４４との２部材で構成されるものとしたが、バーナボディーとバーナヘッドとを一体化することも可能である。また、上記実施形態では、親バーナ３と子バーナ４とのバーナボディー３３，４３を鋳物製としているが、板金製のバーナボディーを用いても良い。   In the above embodiment, the parent burner 3 and the child burner 4 are each composed of two members of the burner bodies 33 and 43 and the burner heads 34 and 44. However, the burner body and the burner head are separated from each other. It is also possible to integrate them. Moreover, in the said embodiment, although the burner bodies 33 and 43 of the parent burner 3 and the child burner 4 are made of casting, a burner body made of sheet metal may be used.

本発明に係る親子バーナを具備するコンロの一例の切断側面図。The cut | disconnection side view of an example of the stove which comprises the parent-child burner which concerns on this invention. 親子バーナの平面図。The top view of a parent-child burner. 親子バーナの斜視図。The perspective view of a parent-child burner. 親バーナのバーナヘッドの部分切断平面図。The partial cutting top view of the burner head of a parent burner. 図４のＶ―Ｖ線で切断した展開切断面図。FIG. 5 is a developed cutaway view cut along line VV in FIG. 4.

符号の説明Explanation of symbols

２…親子バーナ、３…親バーナ、３１…親バーナの炎孔、３４４…炎孔開口面、４…子バーナ、４１…子バーナの炎孔
2 ... Parent-child burner, 3 ... Parent burner, 31 ... Flame hole of parent burner, 344 ... Flame hole opening surface, 4 ... Child burner, 41 ... Flame hole of child burner

Claims (5)

環状の親バーナと、親バーナの内側に配置される子バーナとを備えるコンロ用親子バーナであって、親バーナを、内周部に内向きに開口する複数の炎孔を形成した内炎式バーナで構成するものにおいて、
子バーナを、上端部に上向きに開口する複数の炎孔を形成した上炎式バーナで構成すると共に、親バーナの炎孔を径方向内方に向けて周方向一方に所定の振り角で傾斜させ、この振り角は、親バーナの炎孔からのガス噴出軸線に接する親バーナの環状中心と同心の円が子バーナより大径になるように設定されることを特徴とするコンロ用親子バーナ。 A stove-type burner for a stove comprising an annular parent burner and a child burner disposed inside the parent burner, wherein the inner burner is formed with a plurality of flame holes opening inwardly on the inner periphery. In what consists of burners,
The child burner is composed of an upper flame type burner having a plurality of flame holes opening upward at the upper end, and the flame hole of the parent burner is inclined radially inward at a predetermined swing angle in one circumferential direction. is allowed, the swing angle, stove child burner, characterized in Rukoto is set to be larger in diameter than the annular concentric with the center of Engako burner parent burner in contact with the gas ejection axis from the burner ports parent burner . 親バーナの各炎孔は上下方向に長手のスリット状であり、各炎孔が上方に向かって前記周方向一方に傾斜していることを特徴とする請求項１に記載のコンロ用親子バーナ。   2. The stove burner for stove according to claim 1, wherein each flame hole of the parent burner has a slit shape that is long in the vertical direction, and each flame hole is inclined upward in one of the circumferential directions. 親バーナの炎孔を径方向内方に向けて上方に傾斜させることを特徴とする請求項１または２に記載のコンロ用親子バーナ。   3. The stove burner for stove according to claim 1 or 2, wherein the flame hole of the parent burner is inclined upward inward in the radial direction. 親バーナの炎孔が開口する内周の炎孔開口面を上方に向かって拡径するテーパ面に形成することを特徴とする請求項３に記載のコンロ用親子バーナ。   4. The stove burner for stove according to claim 3, wherein an inner peripheral flame hole opening surface in which a flame hole of the parent burner is opened is formed into a tapered surface whose diameter is increased upward. 子バーナの上端部が親バーナの炎孔の下端と同等高さ又はそれ以下の高さになるように、子バーナの配置高さを設定することを特徴とする請求項１〜４の何れか１項に記載のコンロ用親子バーナ。
The arrangement height of the child burner is set so that the upper end portion of the child burner has a height equal to or lower than the lower end of the flame hole of the parent burner. The parent-child burner for stove according to item 1.
JP2003290630A 2003-08-08 2003-08-08 Stove burner for stove Expired - Fee Related JP3860566B2 (en)

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JP2003290630A JP3860566B2 (en) 2003-08-08 2003-08-08 Stove burner for stove
TW093121874A TWI275736B (en) 2003-08-08 2004-07-22 Burner for gas stove use
KR1020040060799A KR100604134B1 (en) 2003-08-08 2004-08-02 Multi burner for gas range
CNB2004100558989A CN100476296C (en) 2003-08-08 2004-08-05 Master and secondary combustor for stove

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KR100604134B1 (en) 2006-07-25

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