EP2290287B1 - Chapeau de brûleur pour cuisinière à gaz et brûleur doté d'un tel chapeau - Google Patents

Chapeau de brûleur pour cuisinière à gaz et brûleur doté d'un tel chapeau Download PDF

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Publication number
EP2290287B1
EP2290287B1 EP10174077.7A EP10174077A EP2290287B1 EP 2290287 B1 EP2290287 B1 EP 2290287B1 EP 10174077 A EP10174077 A EP 10174077A EP 2290287 B1 EP2290287 B1 EP 2290287B1
Authority
EP
European Patent Office
Prior art keywords
burner
cap
cap body
distributed
points
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
EP10174077.7A
Other languages
German (de)
English (en)
Other versions
EP2290287A3 (fr
EP2290287A2 (fr
Inventor
Haitao Luo
Weiwei Miao
Shenzhou Zhang
Xin Zhang
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
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2290287A2 publication Critical patent/EP2290287A2/fr
Publication of EP2290287A3 publication Critical patent/EP2290287A3/fr
Application granted granted Critical
Publication of EP2290287B1 publication Critical patent/EP2290287B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

Definitions

  • the present invention relates to a component for gas stoves, in particular a burner cap for gas stoves and a gas stove burner with such a burner cap.
  • EP 2 189 718 A2 which is more senior than the present one EP 2 290 287 A2 but after the filing date of EP 2 290 287 A2 was published, and thus an interim literature for the EP 2 290 287 A2 is, deals with the same task as the EP 2 290 287 A to offer a burner cap, with the one better or more uniform distribution of the burners can be achieved.
  • the EP 2189 718 A2 proposes the EP 2189 718 A2 to provide on the base of the burner cap arranged on the cap body formation comprising at least two separate raised portions, said portions are peripherally distributed on the base of the burner cap and wherein at these portions burners are arranged.
  • each of the sections has an outer bevel facing away from the circle center of the cap body, an inner slope facing the center of the circle of the cap body and a central slope arranged between the inner slope and the outer slope, wherein burners are arranged both on the outer slope and on the inner slope and on the medium slope ,
  • a burner cap which has both on its outer circumference burns, as well as at one of the inner circumference of the burner cap and the outer circumference of the burner cap connecting central slope has burners.
  • the object of the present invention is to provide a burner cap, with a better or more uniform distribution of the burners can be achieved.
  • Another object of the present invention is to propose a burner for gas stoves with a burner cap, with which the distribution of the burners can be improved.
  • a burner cap according to claim 1 is given according to the invention.
  • N1 is three, so that there are at least three burner ring rings distributed outwardly from the circle center on the cap body. This allows a preferred arrangement of the burners on the entire base of the body of the burner cap, which on the one hand simplifies the production of the burner cap and at the same time reserves the space for further structures on the burner cap.
  • N2 is three such that each of the sections has a center angle of about 80 degrees is spanned and between two, adjacent in the circumferential direction, sections per a conveying channel for secondary air is formed.
  • the burner during operation enough secondary air supplied and thereby increases the heat output and the CO and NO x emissions can be reduced, provides a further embodiment of the burner cap according to the invention a cavity on the conveyor channel for the secondary air.
  • the secondary air can flow into the cavity through the gap between the burner and the cover plate of the gas range which carries it, and thus be guided into the lower area of the operating stations in operation.
  • a burner for gas stoves consisting of a burner holder with a gas mixing chamber, a burner cap connected to the burner cap according to one of the embodiments described above and a central cap with circumferentially distributed central burners.
  • the burner holder consists of a gas mixing chamber lower part and a gas mixing chamber upper part connected thereto.
  • an outer, extending in the circumferential direction, Flammenausbreitungsring is formed at the joint of burner socket and burner cap.
  • the burner of the present invention there is an inner flame spreading ring between the burner socket and the central cap. Due to the presence of the inner flame spreading ring at the joint between the burner cap and burner leaves increase the flame propagation velocity along the inner circumference of the burner at the moment of commissioning of the burner.
  • a further embodiment of the burner according to the invention provides that the central cap is provided in the circumferential direction with two superimposed rows of burners, wherein the peripheral surface associated with the lower row of burners a second, radially inward sinking circumferential groove forms and the burners of the lower row are located at the bottom of the second circumferential groove, so that the inner flame spreading ring is formed.
  • FIG. 1 to 4 show a burner cap 1 for gas stoves, consisting of a cap body 1, which is approximately circular and has a base surface 9. On the underside of the cap body, a concave gas receiving space 2 is formed. On the cap body several, these penetrating burners 3 are arranged. On the base is at least one, concentrically arranged on the cap body, tip-shaped formation 4, which comprises at least two separate, tip-shaped sections. At each of the sections, an outwardly bevelled surface 5, facing away from the circle center of the cap body, is formed on which the burners 3 are provided.
  • FIG. 1 to 4 N1 is three, so that there are at least three distributed from the circle center to the outside burner ring rings on the cap body. This allows a preferred arrangement of the burners on the entire base of the body of the burner cap, which on the one hand simplifies the production of the burner cap and at the same time reserves the space for further structures on the burner cap.
  • each of the tip-shaped formations 4 of the burner cap 1 N2 comprises circumferentially evenly distributed sections, wherein as N2 an integer number is selected and preferably: 2 ⁇ N2 ⁇ 15.
  • N2 an integer number is selected and preferably: 2 ⁇ N2 ⁇ 15.
  • the burner cap 1 of the present invention according to FIG. 1 to 4 N2 is three, so that from each of the sections a central angle of about 80 ° is spanned and between two circumferentially adjacent sections per a secondary air conveyor channel 7 is formed.
  • NO x are nitrogen oxides that are produced during operation of the gas stove due to incomplete combustion, often with pollutants such as NO and NO 2 .
  • FIG. 1 to 4 it can be seen, in one embodiment of the burner cap 1 according to the invention on the conveyor channel for secondary air 7, a cavity 8 is provided.
  • the secondary air can flow into the cavity via the gap between the burner and the cover plate of the gas range which carries it, and thus be led to the lower area of the operating stations in operation.
  • the upper ends of the tip-shaped formations are largely on one level. Since in this embodiment, the top of the burner cap is located approximately on one level and has no outstanding points, the cap top and the bottom of the heated container can be exempt from mutual interference.
  • the tip-shaped formation 4 has, as in FIG. 2 to 4 represented over an inclined or curved outer surface 5, wherein the burners 3 are evenly distributed on the outer surface 5.
  • diameter and number of distributed on the individual outer slopes 5 burners 3 depending on the design vary. That is, the burners 3 on the individual outer slopes 5 may be identical in terms of diameter and number or may differ from each other, as in FIG. 1 and 4 is shown. Since, for example, less secondary air can be supplied in the areas located near the center of the circle of the burner cap than in the areas further away from the center of the circle, the outlet volume of the gas mixture can be reduced by reducing the diameter of the interior, ie in the vicinity of the central area. lying Brennstellen be reduced. In this way, an increase in the CO and NO x emissions, which arises at a large gas mixture outlet quantity and insufficient air supplementation, be largely avoided.
  • a peripheral surface 10 formed at the bottom of the base 9 of the cap body. On this peripheral surface 10 a plurality of peripheral burners 11 are evenly distributed.
  • FIG. 3 formed on the peripheral surface 10, a first, radially inwardly sinking circumferential groove 12, wherein the peripheral burners 11 are located at the bottom of the first circumferential groove 12.
  • FIG. 5 to 7 show a burner 20 for gas stoves according to the present invention, consisting of at least one burner socket with gas mixing chamber 21, 22, a burner cap 1 according to the invention as described above and a central cap 23 with distributed at the edge of central burners 26, 27.
  • a burner 20 for gas stoves according to the present invention consisting of at least one burner socket with gas mixing chamber 21, 22, a burner cap 1 according to the invention as described above and a central cap 23 with distributed at the edge of central burners 26, 27.
  • the burner holder consist of a gas mixing chamber lower part 22 and a gas mixing chamber upper part 21 connected thereto.
  • an outer, extending in the circumferential direction Flammenausbreitungsring 24 is formed at the joint of the burner holder 21, 22 and burner cap 1.
  • the flame propagation speed can be increased along the outer circumference of the burner at the moment of commissioning of the burner and thereby the performance of the entire burner can be improved accordingly.
  • the present invention provides between the burner holder 21, 22 and the central cap 23 in addition to an inner flame spreading ring 25 before.
  • the inner Flammenausbreitungsrings at the junction between the burner cap and burner can be at the moment of commissioning of the burner and increase the flame propagation velocity along the inner circumference of the burner.
  • the invention provides that the central cap 23, as in FIG. 7 shown at its periphery with two superimposed rows of burners 26, 27 is provided.
  • the peripheral surface associated with the lower row of burners 27 forms a second, radially inwardly sinking circumferential groove 28, the burners 27 of the lower row being located at the bottom of the second circumferential groove 28, so that the inner flame spread ring 25 is formed.

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

Claims (14)

  1. Capuchon de brûleur (1) pour cuisinières à gaz, constitué d'un corps de capuchon (1) qui est approximativement circulaire et est muni d'une surface de base (9), un espace de réception de gaz (2) étant réalisé sur le côté inférieur du corps de capuchon (1) et plusieurs points de combustion (3) traversant le corps de capuchon (1) étant disposés sur celui-ci, caractérisé en ce que N1 formations (4) de forme pointue, disposées concentriquement sur le corps de capuchon (1), se trouvent sur la surface de base (9), lesquelles comprennent au moins deux sections séparées, un chanfrein extérieur (5) détourné du centre du corps de capuchon (1) étant ménagé sur chacune des sections, sur lequel chanfrein se trouvent les points de combustion (3), les N1 formations (4) en forme de pointe se trouvant sur le corps de capuchon (1) étant réparties approximativement de manière régulière vers l'extérieur à partir de la zone du centre et dans lequel 2≤N1≤6 (N1 = nombre entier).
  2. Capuchon de brûleur (1) selon la revendication 1, caractérisé en ce que N1 a la valeur trois, de sorte qu'au moins trois anneaux de points de combustion répartis vers l'extérieur depuis le centre se forment sur le corps de capuchon (1).
  3. Capuchon de brûleur (1) selon la revendication 1 ou 2, caractérisé en ce que chacune des formations (4) en forme de pointe comprend N2 sections réparties régulièrement, avec 2≤N2≤15 (N2 = nombre entier).
  4. Capuchon de brûleur (1) selon la revendication 3, caractérisé en ce que N2 a la valeur trois, de sorte qu'à partir de chacune des sections, un angle au centre d'environ 80° est formé et qu'entre deux sections voisines en direction circonférentielle, il se forme respectivement une goulotte pour l'air secondaire (7).
  5. Capuchon de brûleur (1) selon la revendication 4, caractérisé en ce qu'une cavité (8) est ménagée sur la goulotte pour l'air secondaire (7).
  6. Capuchon de brûleur (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les extrémités supérieures des formations (4) en forme de pointe se trouvent en grande partie sur un plan.
  7. Capuchon de brûleur (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la formation (4) en forme de pointe dispose d'une surface extérieure (5) inclinée ou courbée, les points de combustion (3) étant répartis de manière régulière sur cette surface extérieure (5).
  8. Capuchon de brûleur (1) selon la revendication 7, caractérisé en ce que les points de combustion (3) répartis sur chacun des chanfreins extérieurs (5) se différencient en diamètre et nombre.
  9. Capuchon de brûleur (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que sur le bord inférieur de la surface de base (9) du corps de capuchon est réalisée une surface circonférentielle (10) sur laquelle plusieurs points de combustion circonférentiels (11) sont répartis de manière régulière.
  10. Capuchon de brûleur (1) selon la revendication 9, caractérisé en ce qu'une première rainure circonférentielle (12) descendant radialement vers l'intérieur se forme sur la surface circonférentielle (10), les points de combustion circonférentiels (11) se trouvant sur le fond de la première rainure circonférentielle (12).
  11. Brûleur (20) pour cuisinières à gaz, constitué d'une douille de brûleur (21, 22) munie d'un espace mélangeur de gaz, d'un capuchon de brûleur (1) relié à la douille de brûleur, selon l'une quelconque des revendications 1 à 10, et d'un capuchon central (23) comprenant des points de combustion centraux (26, 27) répartis sur son bord.
  12. Brûleur (20) selon la revendication 11, caractérisé en ce que la douille de brûleur est constituée d'une partie inférieure (22) d'espace mélangeur de gaz et d'une partie supérieure (21) d'espace mélangeur de gaz reliée à celle-là.
  13. Brûleur (20) selon la revendication 11 ou 12, caractérisé en ce qu'un anneau extérieur de propagation de flamme (24) s'étendant en direction circonférentielle est réalisé entre la douille de brûleur (21, 22) et le capuchon de brûleur (1).
  14. Brûleur (20) selon l'une quelconque des revendications 11 à 13, caractérisé en ce qu'un anneau intérieur de propagation de flamme (25) se trouve à l'endroit de jonction entre la douille de brûleur (21, 22) et le capuchon central (23).
EP10174077.7A 2009-08-27 2010-08-26 Chapeau de brûleur pour cuisinière à gaz et brûleur doté d'un tel chapeau Active EP2290287B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910034393.7A CN101995020B (zh) 2009-08-27 2009-08-27 一种燃气灶用燃烧器火盖及应用了该燃烧器火盖的燃气灶燃烧器

Publications (3)

Publication Number Publication Date
EP2290287A2 EP2290287A2 (fr) 2011-03-02
EP2290287A3 EP2290287A3 (fr) 2014-08-20
EP2290287B1 true EP2290287B1 (fr) 2017-10-11

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EP (1) EP2290287B1 (fr)
CN (1) CN101995020B (fr)

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EP2402654B1 (fr) * 2010-06-23 2013-07-31 Electrolux Home Products Corporation N.V. Cuisinière à gaz
CN102116476B (zh) * 2011-02-14 2013-02-13 杭州老板电器股份有限公司 一种高效节能环保型燃烧器
EP2592356B1 (fr) 2011-11-10 2018-02-14 Electrolux Home Products Corporation N.V. Grille de brûleur, plaque de cuisson au gaz, plaque de cuisinière au gaz et cuisinière au gaz
CN103162292B (zh) * 2013-02-26 2015-06-03 宁波方太厨具有限公司 一种燃烧器外火盖
CN103256595B (zh) * 2013-05-16 2015-10-28 广东万和电气有限公司 用于燃气灶的燃烧器
CN103759262B (zh) * 2014-01-09 2017-05-17 周崇高 高效聚能燃烧器
CN104676591B (zh) * 2014-06-17 2017-09-19 广东美的厨房电器制造有限公司 燃烧器和具有其的燃气灶
CN104296145B (zh) * 2014-09-10 2017-09-01 宁波方太厨具有限公司 一种用于燃气灶具的燃烧器火盖及应用有该火盖的燃烧器
CN106482096A (zh) * 2015-09-02 2017-03-08 吴成年 装有整体式火盖的燃烧器
CN105351935B (zh) * 2015-11-11 2018-02-13 广东阿诗丹顿电气有限公司 一种燃烧器的直喷环形火盖及刀具
CN106895405B (zh) * 2015-12-18 2020-07-14 博西华电器（江苏）有限公司 燃气燃烧器的火盖、燃气燃烧器及燃气灶
CN105546534B (zh) * 2016-02-01 2018-06-19 深圳市火王燃器具有限公司 一种新型的燃气燃烧器
CN106224963B (zh) * 2016-08-31 2018-11-06 宁波方太厨具有限公司 用于燃气灶的燃烧器火盖
CN106678797B (zh) * 2016-12-15 2019-10-01 广东美的厨房电器制造有限公司 燃烧器和燃气灶具
CA3052191C (fr) * 2017-02-01 2022-01-04 Vt Burner Technologies Inc. Bruleur a etages
CN108019746A (zh) * 2017-12-05 2018-05-11 湖北中瑞天恒节能科技发展有限公司 一种燃烧器及燃气灶
CN109114555B (zh) * 2018-10-09 2023-10-03 杭州老板电器股份有限公司 一种燃烧器炉头
CN109459176B (zh) * 2018-10-30 2020-12-04 嘉兴尚坤科技有限公司 爆竹生产环节中具有临时测试威力的检测装置
CN111256129B (zh) * 2018-11-30 2021-11-02 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN109595608B (zh) * 2018-12-18 2024-04-05 成都前锋电子有限责任公司 一种易调节、燃烧效率高且带有聚能环的灶具
CN109556139B (zh) * 2018-12-18 2024-04-05 成都前锋电子有限责任公司 一种易调节且燃烧效率高的灶具
CN109595606B (zh) * 2018-12-18 2024-03-22 成都前锋电子有限责任公司 一种燃烧效率高的触屏感应式灶具
CN110454781B (zh) * 2019-08-20 2024-07-16 广东万和电气有限公司 一种分气盘及灶具燃烧器
CN110566959A (zh) * 2019-09-10 2019-12-13 宁波方太厨具有限公司 灶具火盖及包括其的燃烧器
CN110671701B (zh) * 2019-10-11 2025-05-13 广东万家乐厨房科技有限公司 一种外火盖、燃烧器及集成灶
CN212029619U (zh) * 2019-11-13 2020-11-27 博西华电器（江苏）有限公司 燃烧器火盖及燃气灶
CN111720823B (zh) * 2020-06-22 2024-09-03 陈毅 一种燃烧器火盖
CN111964065B (zh) * 2020-08-28 2021-07-09 宁波方太厨具有限公司 外环火盖及燃气灶
CN112728541B (zh) * 2021-01-07 2025-02-18 宁波方太厨具有限公司 一种用于燃气灶的燃烧器

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Publication number Publication date
EP2290287A3 (fr) 2014-08-20
EP2290287A2 (fr) 2011-03-02
CN101995020B (zh) 2014-07-23
CN101995020A (zh) 2011-03-30

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