EP3438549B1 - Capuchon de collecte d'énergie pour table de cuisson à gaz, support de casserole pour table de cuisson à gaz et table de cuisson à gaz - Google Patents

Capuchon de collecte d'énergie pour table de cuisson à gaz, support de casserole pour table de cuisson à gaz et table de cuisson à gaz Download PDF

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Publication number
EP3438549B1
EP3438549B1 EP18185437.3A EP18185437A EP3438549B1 EP 3438549 B1 EP3438549 B1 EP 3438549B1 EP 18185437 A EP18185437 A EP 18185437A EP 3438549 B1 EP3438549 B1 EP 3438549B1
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EP
European Patent Office
Prior art keywords
energy gathering
gas cooktop
gathering cap
outer ring
inner ring
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.)
Active
Application number
EP18185437.3A
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German (de)
English (en)
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EP3438549A1 (fr
Inventor
Chuanwen Chen
Weiwei Miao
Rui Xu
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.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Publication of EP3438549A1 publication Critical patent/EP3438549A1/fr
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Classifications

    • 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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/107—Pan supports or grates therefor

Definitions

  • This application relates to the field of gas cooktops, and in particular, to an energy gathering cap for a gas cooktop, a pan support including the energy gathering cap, and a gas cooktop including the pan support, where the energy gathering cap for a gas cooktop includes an inner ring and an outer ring.
  • An ordinary pan support for a gas cooktop has many disadvantages. For example, quite a lot of burning heat is radiated to the outside and is not utilized. This makes it difficult to improve thermal efficiency. The radiated heat causes the knob temperature to be excessively high, consequently leading to a scald accident. During burning, a flame is easily affected by wind and consequently is easily to be extinguished or lifted.
  • Published Patent Application KR 2006 0010022 A relates to a heat collecting plate for a heating apparatus, and more particularly, to a heat collecting plate for a heating apparatus which is installed in a burner head of a cooking and heating apparatus using gas or the like as a fuel source to transfer latent heat absorption and exhaust heat to a heating object without loss
  • Chinese Utility model CN 205 807 549 U provides an energy gathering pan bracket with several support legs which is tubular and tapered and which has air holes for admitting auxiliary air which help to improve the energy efficiency ratio of combustor.
  • Chinese Utility model CN 203 478 376 U discloses a gas stove panel with the integral formation of a panel and liquid receiving discs.
  • the gas stove panel comprises a panel body, wherein the panel body is provided with a combustor extending hole.
  • the gas stove panel is characterized by also comprising liquid receiving discs and support cylinders, wherein the liquid receiving discs are circular; the top parts of the outer annular walls of the liquid receiving discs are provided with outward folded edges; the upper ends of the support cylinders are fixedly connected with the outward folded edges, and the lower ends of the support cylinders are fixedly connected with the combustor extending hole; the panel body, the liquid receiving discs and the support cylinders are formed integrally; the outward folded edges are provided with a plurality of axial primary air holes.
  • the gas stove panel has the advantages that the working efficiency is high; the upward air intake function can be achieved, and indoor air enters between the panel and a bottom shell through the primary air holes; the defect that upward air intake cannot be achieved for an embedded gas stove in the prior art is overcome.
  • Japanese Utility Model S63 95007 U discloses a ring made of wire mesh which serves to protect a flame against wind and which has good thermal efficiency.
  • US Patent 983 413 discloses a heat concentrating ring for a gas or vapor stove or range with an inner and outer rings. Both rings have openings or slots.
  • An objective of this application is to provide, for at least one of the foregoing technical problems, an improved energy gathering cap for a gas cooktop, a pan support including the energy gathering cap, and a gas cooktop including the pan support.
  • an energy gathering cap for a gas cooktop including an inner ring and an outer ring, where the outer ring is disposed around the inner ring, and the outer ring and the inner ring are separated from each other to form a space, the inner ring is provided with a plurality of first holes, the outer ring is provided with a plurality of second holes, and a projection of the second hole on the inner ring along a horizontal direction does not overlap with the first hole.
  • the energy gathering cap in this application having the inner ring and the outer ring has a better energy gathering effect.
  • the inner ring and the outer ring are separated from each other to form a space that can accommodate air. Air has a quite small coefficient of thermal conductivity and therefore can better prevent heat of burning from being transferred to the outside.
  • the inner ring is provided with the plurality of first holes
  • the outer ring is provided with the plurality of second holes. Compared with inletting air from below the energy gathering cap, this solution can inlet more air from around the energy gathering cap to a burning area, to supply sufficient secondary air for burning of gas.
  • design of the holes on the inner ring and the outer ring that is, that the projection of the second hole on the inner ring along the horizontal direction does not overlap with the first hole, prevents wind from directly passing through the inner ring and the outer ring and affecting burning of a flame.
  • This design is not only windproof, but also enables the energy gathering cap to reflect back heat of the burning flame radiated toward the outside. This reduces an energy loss during burning and improves thermal efficiency of the gas cooktop.
  • the energy gathering cap may be made of a metal material.
  • the inner ring and the outer ring may be integrally formed, or may be separately manufactured and subsequently connected to each other. For example, a hole may be first punched in a stainless steel plate, then blanking and beading are performed, and finally the inner ring and the outer ring are formed by welding.
  • the second hole inevitably extends along a longitudinal direction of the outer ring to some extent.
  • the "horizontal direction" in this application should be understood as a direction perpendicular to a direction of the gravity. Therefore, that the projection of the second hole along the horizontal direction should be understood as: light extending perpendicular to the direction of the gravity passes through the second hole and projects the shape of the second hole on a plane.
  • the shape of the first hole and the shape of the second hole are not limited, and circular, square, oblong, or slot-shaped holes are all feasible.
  • the inner ring may be or may not be parallel to the outer ring.
  • the shape of the inner ring may be similar to that of the outer ring. For example, both the inner ring and the outer ring are circular rings. It is also feasible that the shape of the inner ring is different from that of the outer ring.
  • the inner ring is a circular ring and the outer ring is a square ring.
  • the inner ring and the outer ring are concentric circular rings. According to the invention, a projection of the second hole on the inner ring along a radial direction of the outer ring does not overlap with the first hole.
  • the energy gathering cap for a gas cooktop further includes a top sealing portion sealing the space from a top portion of the space.
  • a top sealing portion sealing the space from a top portion of the space.
  • a protruding edge extending toward the inner ring along the horizontal direction is formed at an edge of the second hole.
  • airflow entering from the second hole can only flow from the second hole toward the inner ring along the horizontal direction.
  • the airflow is blocked by the inner ring when flowing along the horizontal direction, and consequently, the airflow cannot directly pass through the inner ring.
  • the airflow whose flowing direction has been changed and on which buffering has been performed does not cause the burning flame to be lifted or be extinguished, and further supplies sufficient secondary air for burning of gas.
  • This application further provides a pan support for a gas cooktop.
  • the energy gathering cap for a gas cooktop described above is detachably or fixedly disposed on the pan support for a gas cooktop.
  • the energy gathering cap can be detachably disposed on the pan support by using many solutions, for example, a manner such as magnetic suction, threaded connection, hook hanging, or notch engagement.
  • One of the solutions is that the pan support includes a bottom frame and a plurality of support legs, and at least one support leg is detachably mounted on the bottom frame by using screw threads.
  • a top end of the energy gathering cap is provided with notches respectively matching the support legs. After the energy gathering cap is placed in position, the at least one support leg is mounted.
  • the user when cleaning the pan support, a user can detach the energy gathering cap, so that it is convenient for the user to clean and tidy the pan support.
  • the user may choose to mount or detach the energy gathering cap based on an actual requirement, and this satisfies different choices of the user. If the energy gathering cap is fixedly disposed on the pan support, an integral part is formed by the energy gathering cap and the pan support, thereby improving integrity of exposed parts of the gas cooktop.
  • the inner ring is higher than the outer ring, or the outer ring is higher than the inner ring.
  • a higher inner ring or outer ring can prevent overflow liquid.
  • the higher inner ring or outer ring is in close contact with the bottom of the pan. Overflow liquid from the pan flows along an outer wall of the bottom of the pan to the higher inner ring or outer ring and flows along the higher inner ring or outer ring to the below. Therefore, the overflow liquid does not contaminate a burner located at an inner part of the pan support.
  • the pan support for a gas cooktop includes a bottom frame located at an outer side of the energy gathering cap, a plurality of support legs used to support a cooking appliance and fixed on the bottom frame, and a liquid filling portion located between the bottom frame and the energy gathering cap, where the liquid filling portion extends from an inner edge of the bottom frame to a bottom side of the outer ring, and is connected to the inner edge of the bottom frame and the bottom side of the outer ring in a sealing manner. Therefore, the pan support has functions of supporting the cooking appliance, preventing wind, gathering energy, and filling liquid. Overflow liquid flows along the outer ring of the energy gathering cap into the liquid filling portion. Therefore, the overflow liquid can be collected and temporarily stored, and it is also convenient for a user to perform cleaning.
  • the liquid filling portion is integrally formed on the bottom frame. In this way, it is convenient to manufacture and the bottom frame and the liquid filling portion can be formed by using a casting process.
  • a top end of the support leg is flush with a top end of the energy gathering cap.
  • a top end of the inner ring or the outer ring of the energy gathering cap is in close contact with the bottom of the pan. Therefore, the energy gathering cap can resolve a problem of contamination caused by overflow liquid.
  • a top surface aslant extending downward is formed on a part of the support leg that is located at an inner side of the energy gathering cap.
  • a top portion of the energy gathering cap is provided with notches corresponding to the support legs, and the support legs are engaged in the notches. In this way, the energy gathering cap is located or fixed at a corresponding position of the pan support.
  • the gas cooktop includes the pan support for a gas cooktop according to any one of the above implementations.
  • FIG. 1 is a three-dimensional diagram of an energy gathering cap for a gas cooktop according to an embodiment of this application.
  • the energy gathering cap 2 for a gas cooktop includes an inner ring 10 and an outer ring 20, and the outer ring 20 is disposed around the inner ring 10.
  • the inner ring 10 and the outer ring 20 are concentric circular rings.
  • the outer ring 20 and the inner ring 10 are separated from each other to form a space S.
  • the energy gathering cap 2 further includes a top sealing portion 30 sealing the space S from a top portion of the space S.
  • the inner ring 10 is provided with a plurality of first holes 100
  • the outer ring 20 is provided with a plurality of second holes 200
  • a projection of the second hole 200 on the inner ring 10 along a horizontal direction does not overlap with the first hole 100.
  • the first hole 100 and the second hole 200 can not only allow airflow to pass through to supply sufficient secondary air for burning of gas from a burner located at an inner side of the energy gathering cap 2, but also prevent lateral wind from directly passing through the outer ring 20 and the inner ring 10 and affecting a burning flame.
  • FIG. 2 is a local sectional view of an energy gathering cap for a gas cooktop according to an embodiment of this application.
  • a protruding edge 201 extending toward an inner ring 10 along a horizontal direction is formed at an edge of a second hole 200.
  • a projection of the second hole 200 on the inner ring 10 along the horizontal direction does not overlap with a first hole 100, and the airflow passing through the second hole 200 is inevitably blocked by the inner ring 10 when flowing along the horizontal direction, so that the airflow needs to change a flowing direction.
  • the airflow can supply secondary air for burning of gas from a burner but cannot cause much impact on the burning flame. Therefore, flame lifting and accidental extinguishment cannot be caused.
  • an integral member is formed by the energy gathering cap 2, so that the energy gathering cap 2 can be detachably mounted on a pan support, and a user can mount or detach the energy gathering cap based on a requirement of the user.
  • the energy gathering cap may alternatively be fixedly disposed on the pan support.
  • Such a pan support is described as follows.
  • FIG. 3 is a three-dimensional diagram of a pan support for a gas cooktop according to an embodiment of this application.
  • An energy gathering cap 2 is fixedly disposed on the pan support 1 for a gas cooktop.
  • the pan support 1 includes a bottom frame 3 located at an outer side of the energy gathering cap 2, a plurality of support legs 4 used to support a cooking appliance and fixed on the bottom frame 3, and a liquid filling portion 5 located between the bottom frame 3 and the energy gathering cap 2.
  • a structure of the energy gathering cap 2 refer to the foregoing description.
  • the liquid filling portion 5 extends from an inner edge of the bottom frame 3 to a bottom side of the outer ring 20, and is connected to the inner edge of the bottom frame 3 and the bottom side of the outer ring 20 in a sealing manner.
  • the liquid filling portion 5 is concave relative to the bottom frame 3.
  • the bottom frame 3 and the liquid filling portion 5 may be formed by using a casting process, that is, the liquid filling portion 5 may be integrally formed on the bottom frame 3.
  • the energy gathering cap 2 is then placed at a corresponding position of the pan support 1, and the bottom side of the outer ring 20 is welded with the liquid filling portion 5.
  • the outer ring 20 and an inner ring 10 are separated from each other to form a space S, and a top sealing portion 30 seals the space S from a top portion of the space S.
  • a top portion of the energy gathering cap 2 is provided with notches 11 corresponding to the support legs 4.
  • the inner ring 10 is higher than the outer ring 20, the notches 11 are formed on the inner ring 10, and four support legs 4 are engaged in the notches 11, so that a top end of the support leg is flush with a top end of the energy gathering cap 2. That is, the top end of the support leg 4 is flush with a top end of the inner ring 10.
  • the pan support can further resolve a problem of contamination caused by overflow liquid.
  • an inclined top surface (not shown) is formed on a part of the support leg 4 that is located at an inner side of the inner ring 10.
  • An angle of inclination may be selected based on an actual requirement.
  • the outer ring 20 of the energy gathering cap 2 is higher than the inner ring 10.
  • the top end of the support leg 4 is flush with a top end of the outer ring 20.
  • Liquid or solid overflowing from the cookware flows on the outer surface of the outer ring 20 into the liquid filling portion 5.
  • an inclined top surface is formed on a part of the support leg 4 that is located at an inner side of the outer ring 20.
  • the gas cooktop includes the pan support for a gas cooktop according to any one of the above embodiments.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)

Claims (11)

  1. Coiffe de collecte d'énergie (2) pour une surface de cuisson à gaz, comprenant un anneau intérieur (10) et un anneau extérieur (20), dans laquelle l'anneau extérieur (20) est disposé autour de l'anneau intérieur (10) et l'anneau extérieur (20) ainsi que l'anneau intérieur (10) sont séparés l'un de l'autre pour former un espace (S), caractérisée en ce que
    l'anneau intérieur (10) est doté d'une pluralité de premiers trous (100), l'anneau extérieur (20) est doté d'une pluralité de deuxièmes trous (200) et une projection du deuxième trou (200) sur l'anneau intérieur (10) dans un sens horizontal ne recouvre pas le premier trou (100), et
    le premier trou (100) et le deuxième trou (200) permettent le passage d'un flux d'air pour fournir un air secondaire suffisant pour faire brûler le gaz d'un brûleur situé sur un côté intérieur de la coiffe de collecte d'énergie (2),
    et dans lequel une projection du deuxième trou (200) sur l'anneau intérieur (10) dans un sens radial de l'anneau extérieur (20) ne recouvre pas le premier trou (100).
  2. Coiffe de collecte d'énergie (2) pour une surface de cuisson à gaz selon la revendication 1, caractérisée en ce que l'anneau intérieur (10) et l'anneau extérieur (20) sont des anneaux circulaires concentriques.
  3. Coiffe de collecte d'énergie (2) pour une surface de cuisson à gaz selon la revendication 1, caractérisée en ce qu'elle comprend en outre une partie supérieure de scellement (30) qui scelle l'espace (S) d'une partie supérieure de l'espace (S).
  4. Coiffe de collecte d'énergie (2) pour une surface de cuisson à gaz selon la revendication 1, caractérisée en ce qu'un bord protubérant (201) s'étendant vers l'anneau intérieur (10) dans le sens horizontal, se forme à un bord du deuxième trou (200).
  5. Support de casserole (1) pour une surface de cuisson à gaz, caractérisé en ce qu'une coiffe de collecte d'énergie (2) pour une surface de cuisson à gaz selon l'une quelconque des revendications 1 à 4 est disposée amovible ou fixe sur le support de casserole (1).
  6. Support de casserole (1) pour une surface de cuisson à gaz selon la revendication 5, caractérisé en ce que l'anneau intérieur (10) est plus haut que l'anneau extérieur (20), ou que l'anneau extérieur (20) est plus haut que l'anneau intérieur (10).
  7. Support de casserole (1) pour une surface de cuisson à gaz selon la revendication 5, caractérisé en ce qu'il comprend un cadre de fond (3) situé sur un côté extérieur de la coiffe de collecte d'énergie (2), une pluralité de pieds de support (4) utilisés pour supporter un appareil de cuisson et fixés sur le cadre de fond (3) et une partie de remplissage de liquide (5) située entre le cadre de fond (3) et la coiffe de collecte d'énergie (2), dans lequel la partie de remplissage de liquide (5) s'étend d'un bord intérieur du cadre de fond (3) à un côté de fond de l'anneau extérieur (20) et est raccordée au bord intérieur du cadre de fond (3) et au côté de fond de l'anneau extérieur (20) de manière scellée.
  8. Support de casserole (1) pour une surface de cuisson à gaz selon la revendication 7, caractérisé en ce que la partie de remplissage de liquide (5) fait partie intégrante du cadre de fond (3).
  9. Support de casserole (1) pour une surface de cuisson à gaz selon la revendication 7, caractérisé en ce qu'une extrémité supérieure du pied de support (4) affleure avec l'extrémité supérieure de la coiffe de collecte d'énergie (2).
  10. Support de casserole (1) pour une surface de cuisson à gaz selon la revendication 9, caractérisé en ce qu'une partie supérieure de la coiffe de collecte d'énergie (2) est munie d'encoches (11) correspondant aux pieds de support (4) et les pieds de support (4) se prennent dans les encoches (11).
  11. Surface de cuisson à gaz, caractérisée en ce qu'elle comprend un support de casserole (1) pour une surface de cuisson à gaz selon l'une quelconque des revendications 5 à 10.
EP18185437.3A 2017-08-03 2018-07-25 Capuchon de collecte d'énergie pour table de cuisson à gaz, support de casserole pour table de cuisson à gaz et table de cuisson à gaz Active EP3438549B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720965222.6U CN207334861U (zh) 2017-08-03 2017-08-03 燃气灶用聚能罩、燃气灶的锅架及燃气灶

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EP3438549A1 EP3438549A1 (fr) 2019-02-06
EP3438549B1 true EP3438549B1 (fr) 2020-11-25

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EP18185437.3A Active EP3438549B1 (fr) 2017-08-03 2018-07-25 Capuchon de collecte d'énergie pour table de cuisson à gaz, support de casserole pour table de cuisson à gaz et table de cuisson à gaz

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CN (1) CN207334861U (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CN110513728B (zh) * 2019-08-21 2021-05-25 南京科泷节能科技有限公司 一种具有溢火回收功能的地汤灶及其溢火回收方法
CN110779066B (zh) * 2019-11-25 2021-02-09 徐州橙空间厨具有限公司 一种灶台隔热架
CN113357674B (zh) * 2020-03-06 2022-08-12 宁波方太厨具有限公司 一种用于燃气灶的锅支架
CN111550830B (zh) * 2020-04-29 2021-03-26 宁波方太厨具有限公司 灶具隔热罩
CN112555913A (zh) * 2020-12-23 2021-03-26 青岛澳柯玛生活电器有限公司 一种带聚能罩的燃气灶
CN113446631B (zh) * 2021-07-06 2024-06-25 广东超人节能厨卫电器有限公司 一种防风炊具支架及应用其的燃气灶

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US983413A (en) * 1909-09-10 1911-02-07 Levi W Swafford Heat-concentrating ring for gas or vapor stoves or ranges.
JPS59212627A (ja) * 1983-05-18 1984-12-01 Sei Hayashi 調節式ガス増熱器
JPS6395007U (fr) * 1986-12-11 1988-06-18
KR100564013B1 (ko) * 2004-07-27 2006-03-29 주식회사 코베아 가열 기기용 집열판
CN2731314Y (zh) * 2004-09-16 2005-10-05 姜明君 燃气灶支架
CN203478376U (zh) * 2013-08-15 2014-03-12 中山市艾普电器有限公司 一种面板和接液盘一体成型的燃气灶面板
CN205807549U (zh) * 2016-05-17 2016-12-14 中山市荣星电器燃具有限公司 一种聚能式锅支架

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