CN204213924U - A kind of energy-gathering burner and household gas range - Google Patents

A kind of energy-gathering burner and household gas range Download PDF

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Publication number
CN204213924U
CN204213924U CN201420600393.5U CN201420600393U CN204213924U CN 204213924 U CN204213924 U CN 204213924U CN 201420600393 U CN201420600393 U CN 201420600393U CN 204213924 U CN204213924 U CN 204213924U
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CN
China
Prior art keywords
fire hole
central flame
flame cap
external ring
energy
Prior art date
Application number
CN201420600393.5U
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Chinese (zh)
Inventor
李忠堂
张晓立
林玉绵
孙娅丽
丁泺火
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珠海格力电器股份有限公司
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Priority to CN201420600393.5U priority Critical patent/CN204213924U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The utility model relates to household gas range field, disclose a kind of energy-gathering burner and household gas range, comprise central flame cap, external ring fire cover and distributor, distributor has outer shroud quirk combustion gas introduced the center quirk in central flame cap and combustion gas is introduced external ring fire cover, and the bottom surface of outer shroud quirk and the link position place of inwall are provided with overturn structure; The internal face of overturn structure is a part for archimedes curve with the intersection through the plane of the central axis of center quirk.The utility model is provided with the overturn structure of obeying spiral of Archimedes curve in the bottom surface in outer ring fire road and inwall link position place, when combustion gas flows to overturn structure along outer shroud quirk, the chamber entering into external ring fire cover and distributor formation produce upset under the guide functions of overturn structure after carries out spraying from the fire hole of external ring fire cover after secondary mixes with air, realize combustion gas without the upset under impact conditions, mixing, combustion gas is mixed more even with air, efficiency of combustion is higher.

Description

A kind of energy-gathering burner and household gas range
Technical field
The utility model relates to household gas range field, discloses a kind of energy-gathering burner and household gas range more specifically.
Background technology
Along with the progress and development of society, huge numbers of families have been come in combustion gas, become the good assistant that people cook, and in such a case, gas-cooker arises at the historic moment, and become the daily necessities of every household indispensability.
The burner of household gas range of the prior art mainly comprises furnace head base, distributor, central flame cap, external ring fire cover and interior ring fire cover, in use, most employing is with the design concept of outer ring fire for main firepower, overall flat after burner and distributor combine.Due to outer ring fire for main firepower, therefore use procedure Flame outwards sprays, and flame compares dispersion, and in fuel gas buring process, heat is initiatively outwards dispersed, and heat loss is comparatively large, reduces the utilization rate of combustion gas, causes the waste of resource.
Authorization Notice No. is that the Chinese patent of CN202284793 discloses a kind of Novel energy-saving internal rotating fire burner, comprise base, be nested in the outward turning fire cover on base and central flame cap, outward turning fire cover and central flame cap are all nested on base, outward turning fire cover bottom formation main chamber mutually nested with perimeter, central flame cap bottom formation subsidiary combustion chamber mutually nested with in the middle part of base, central flame cap excircle is evenly equipped with multiple center fire hole be communicated with subsidiary combustion chamber, outward turning fire cover center bore inner wall is that internal diameter becomes large inclined plane gradually from the bottom up, outward turning fire cover upper end edge is evenly distributed in can upwards spray combustion and the straight fire hole identical with main chamber or straight fiery groove, the inward turning fire cover that outward turning fire cover center bore inner wall circumference uniform distribution communicates to overcentre inclination spray combustion and with main chamber or internal rotation fire groove.
Authorization Notice No. is outer fire cover and the gas burner that the Chinese patent of CN203605222U discloses a kind of gas burner, comprise tip circle ring cowling plate, inner ring wallboard and outer shroud wallboard, tip circle ring cowling plate there are several by the convex chamber of lower surface to the convex under shed of upper surface, convex chamber is rounded to be uniformly distributed, and has gap between adjacent two convex chambeies; The side that convex chamber is positioned at tip circle ring cowling plate radially inner side direction is involute surface; Be connected and have between two projections under inner ring wallboard by lower burning fire hole group, involute shape curved surface has fire hole group after upper burning.
Although above disclosed patent can improve the efficiency of combustion of combustion gas to a certain extent, but only carry out improving or improving in outer fire cover structure on the injection direction of fire hole, above-mentioned improvement to raising efficiency of combustion help and not obvious, and said structure combustion gas can not be made to burn in the burner more stable.
Therefore, market is needed a kind of energy-gathering burner badly and is used the household gas range of this energy-gathering burner, have in the process of the household gas range of this energy-gathering burner in use, more effectively can utilize combustion gas, more fully, the thermal efficiency produced while fuel gas buring is more stable is higher for combustion gas and air mixing.
Utility model content
An object of the present utility model is, proposes a kind of energy-gathering burner, large to solve combustion gas combustion process heat loss in the burner in prior art, combustion instability, the problem that combustion thermal efficiency is low.
Another object of the present utility model is, propose a kind of household gas range, this household gas range is provided with above-mentioned energy-gathering burner, uses to utilize utilization rate higher to combustion gas in the process of this household gas range, more economize on resources, while environmental protection, bring better experience to user.
For reaching this object, the utility model by the following technical solutions:
A kind of energy-gathering burner, comprise central flame cap, external ring fire cover and distributor, described distributor has outer shroud quirk combustion gas introduced the center quirk in described central flame cap and combustion gas is introduced described external ring fire cover, and the bottom surface of described outer shroud quirk and the link position place of inwall are provided with overturn structure; The internal face of described overturn structure is a part for archimedes curve with the intersection through the plane of the central axis of described center quirk.
Further, described intersection obeys archimedes curve polar equation ρ=a θ;
Wherein, a=7,1.5 π≤θ≤2 π.
Further, described external ring fire cover comprises the inner ring of outer ring and the close described central flame cap be positioned at away from described central flame cap, and described inner ring is with respect to the horizontal plane downwards in 40 ° of-45 ° of inclined-planes be obliquely installed; Described inner ring is provided with dicyclo cumulative fire hole.
Further, described dicyclo cumulative fire hole comprises and is along the circumferential direction uniformly distributed in a circle external ring fire cover small fire hole on described inner ring and a circle external ring fire cover large fire hole respectively; The large fire hole of described external ring fire cover is positioned at the top of described external ring fire cover small fire hole.
Further, described central flame cap is frustum cone structure, and the bus of described round platform and the angle of axle are 40 °-45 °; The sidewall of described central flame cap is provided with outer spray dicyclo fire hole.
Further, described outer spray dicyclo fire hole comprise along the circumferential direction be uniformly distributed in described central flame cap respectively sidewall on a circle large fire hole of central flame cap and a circle central flame cap small fire hole; The large fire hole of described central flame cap is positioned at the below of described central flame cap small fire hole.
Further, mutually stagger and arrange in the center of circle of the large fire hole of described external ring fire cover and the center of circle of described external ring fire cover small fire hole; Mutually stagger and arrange in the center of circle of the large fire hole of described central flame cap and the center of circle of described central flame cap small fire hole.
Further, the bottom surface of the outer shroud quirk of described distributor is provided with at least three projections, and described projection along the circumferential direction equidistantly distributes; Form the air flue passed through for combustion gas between adjacent two described projections, described air flue is turbine-like distribution.
Further, the line between the mid point normal of described air flue and the mid point line of air flue is angle Φ; The number of degrees of described angle Φ are 10 °-15 °.
A kind of household gas range, described gas-cooker is provided with energy-gathering burner as above.
The beneficial effects of the utility model are: the utility model is provided with the overturn structure of obeying spiral of Archimedes curve in the bottom surface in outer ring fire road and inwall link position place, when combustion gas flows to overturn structure along outer shroud quirk, the chamber entering into external ring fire cover and distributor formation produce upset under the guide functions of overturn structure after carries out spraying from the fire hole of external ring fire cover after secondary mixes with air, combustion gas is realizing upset without under impact conditions, mixing, owing to there is the drawback that 90 ° of collisions turn to without flow-guiding structure in effective combustion gas and outer shroud quirk inwall of improving in prior art, combustion gas is mixed more even with air, efficiency of combustion is higher.
The external ring fire cover of the energy-gathering burner in the utility model is provided with dicyclo cumulative fire hole, central flame cap is provided with outer spray dicyclo fire hole, by to the ingenious distribution on dicyclo cumulative fire hole and outer spray double ring fire pore geometry, make use of hot-air floating etc. fully hot, combustion gas is fully mixed with air, improves efficiency of combustion.External ring fire cover small fire hole and the large fire hole of central flame cap, the large fire hole of external ring fire cover and central flame cap small fire hole adopt Coupling Design respectively, the air entered from distributor secondary-air passage is formed turriform double wrapped by flame, the secondary mixed path of effective prolonging combustion process Flame and air, makes burning more abundant.During burning, the dicyclo cumulative fire hole of external ring fire cover is assembled to the central shaft at a slant to burner, and the outer spray dicyclo fire hole on central flame cap disperses injection around mutually, thus forms the powerful flame of high cumulative intercoupled of turriform.
The air flue of the distributor of the burner in the utility model is turbine-like structure, combustion gas forms homodromal turbo-power effect along in worm gear shape air flue flow process, reduce gas echo to impact, make combustion gas more steady in air flue flow process, burn more stable.
Household gas range in the utility model is provided with above-mentioned energy-gathering burner, gas-cooker in use the utility model can improve the utilization rate to combustion gas, and combustion gas is in use burnt more stable, Consumer's Experience is better, the combustion gas expense of family can be saved to a certain extent, environmental protection more simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the energy-gathering burner that the utility model embodiment one proposes;
Fig. 2 is the internal structure schematic diagram of the energy-gathering burner that the utility model embodiment one proposes;
Fig. 3 is the partial structurtes enlarged drawing of a-quadrant in Fig. 2;
Fig. 4 is the three-dimensional structure schematic diagram of the energy-gathering burner that the utility model embodiment one proposes;
Fig. 5 is the three-dimensional sectional structural representation of the energy-gathering burner that the utility model embodiment one proposes;
Fig. 6 is the top view of the distributor of the energy-gathering burner that in the utility model, embodiment one proposes.
In figure:
1, central flame cap; 11, central flame cap small fire hole; 12, the large fire hole of central flame cap; 2, external ring fire cover; 21, external ring fire cover small fire hole; 22, the large fire hole of external ring fire cover; 3, distributor; 31, outer shroud quirk; 311, overturn structure; 312, mid point normal; 313, mid point line; 314, protruding; 315, screw; 32, center quirk; 4, burner.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment one
As shown in Fig. 1, Fig. 6, it is a kind of energy-gathering burner that the present embodiment proposes, comprise the central flame cap 1, external ring fire cover 2, distributor 3 and the burner 4 that are positioned at burner middle, combustion gas is introduced in distributor 3 by burner 4 from pipeline, and then burns in the burner.Distributor 3 to be arranged on burner 4 by its central mounting hole and to be positioned at the top of burner 4, and central flame cap 1 and external ring fire cover 2 are separately fixed at the corresponding position in distributor 3, and central flame cap 1 is arranged on the center position of distributor 3.Distributor 3 can be integral type structure, also can be split-type structural, and as one preferred embodiment, point device 3 alive in the present embodiment is split-type structural, and comprise two parts, two parts are fixed together by screw 315.
As shown in Figure 2 and Figure 3, distributor 3 has the outer shroud quirk 31 combustion gas introduced the center quirk 32 in central flame cap 1 and combustion gas is introduced external ring fire cover 2, combustion gas is introduced in central flame cap 1 by center quirk 32, and combustion gas is from the dicyclo cumulative fire hole ejection central flame cap 1; Combustion gas is incorporated in external ring fire cover 2 by outer shroud quirk 31, and combustion gas sprays from the outer spray dicyclo fire hole of external ring fire cover 2.The bottom surface of outer shroud quirk 31 and the link position place of inwall are provided with overturn structure 311.
Wherein, the internal face of overturn structure 311 is a part for archimedes curve with the intersection through the plane of the central axis of center quirk 32.Intersection obeys archimedes curve polar equation ρ=a θ; Wherein, a=7,1.5 π≤θ≤2 π.The present embodiment is provided with the overturn structure 311 of obeying spiral of Archimedes curve in the bottom surface in outer ring fire road 31 and inwall link position place, when combustion gas flows to overturn structure 311 along outer shroud quirk 31, the chamber entering into external ring fire cover 2 and distributor 3 formation produce upset under the guide functions of overturn structure 311 after carries out spraying from the fire hole of external ring fire cover 2 after secondary mixes with air, combustion gas is realizing upset without under impact conditions, mixing, owing to there is the drawback that 90 ° of collisions turn to without flow-guiding structure in effective combustion gas and outer shroud quirk inwall of improving in prior art, combustion gas is mixed more even with air, efficiency of combustion is higher.
As shown in Figure 4, Figure 5, as further scheme, external ring fire cover 2 comprises and is positioned at the outer ring away from central flame cap 1 and the inner ring near central flame cap 1, and inner ring be downwards with respect to the horizontal plane 40 ° of-45 ° of inclined-planes be obliquely installed; Inner ring is provided with dicyclo cumulative fire hole.Dicyclo cumulative fire hole comprises the circle external ring fire cover small fire hole 21 and be along the circumferential direction uniformly distributed in respectively on inner ring and encloses the large fire hole 22 of external ring fire cover; The large fire hole 22 of external ring fire cover is positioned at the top of external ring fire cover small fire hole 21.Concrete is that the large fire hole 22 of external ring fire cover is near the top edge of external ring fire cover 2, and external ring fire cover small fire hole 21 is near the lower limb of external ring fire cover 2.The aperture of external ring fire cover small fire hole 21 is less than the aperture of the large fire hole 22 of external ring fire cover, and the spacing between adjacent two large fire holes of external ring fire cover 22 is greater than the spacing between two adjacent external ring fire cover small fire holes 21.Mutually stagger and arrange in the center of circle of the large fire hole 22 of external ring fire cover and the center of circle of external ring fire cover small fire hole 21, namely the large fire hole 22 of external ring fire cover can not parallel with the bus of inner ring with the line in the center of circle of external ring fire cover small fire hole 21 arbitrarily.
Central flame cap 1 is frustum cone structure, and the bus of round platform and the angle of axle are 40 °-45 °; The sidewall of central flame cap 1 is provided with outer spray dicyclo fire hole.Outer spray dicyclo fire hole comprise along the circumferential direction be uniformly distributed in central flame cap 1 respectively sidewall on the large fire hole of a circle central flame cap 12 and a circle central flame cap small fire hole 11; The large fire hole 12 of central flame cap is positioned at the below of central flame cap small fire hole 11.Concrete, the large fire hole 12 of central flame cap is near the lower limb of central flame cap 1, and central flame cap small fire hole 11 is near the top edge of central flame cap 1.The aperture of the large fire hole 12 of central flame cap is greater than the aperture of central flame cap small fire hole 11, and the distance between adjacent two large fire holes of central flame cap 12 is greater than the distance between two adjacent central flame cap small fire holes 11.Mutually stagger and arrange in the center of circle of the large fire hole 12 of central flame cap and the center of circle of central flame cap small fire hole 11, namely the center of circle of the large fire hole 12 of any one central flame cap does not overlap with the bus of the sidewall of central flame cap 1 with the line in the center of circle of any one central flame cap small fire hole 11.
Mutually stagger due to the center of circle of the large fire hole 22 of external ring fire cover and the center of circle of external ring fire cover small fire hole 21 and arrange; Mutually stagger and arrange in the center of circle of the large fire hole 12 of central flame cap and the center of circle of central flame cap small fire hole 11, therefore, combustion gas sprays from the fire hole of diverse location, there will not be and spray in the radial direction same, combustion gas can be made to burn in position as much as possible, making to be positioned over the article that burner carries out heating is heated more even, and fuel gas buring is more abundant, and efficiency of combustion is higher.
Meanwhile, external ring fire cover small fire hole 21 is in the same plane with central flame cap large fire hole 12, and the large fire hole of external ring fire cover 22 is in the same plane with central flame cap small fire hole 11, forms coupled structure.A large fire hole on same plane and a small fire hole are used in conjunction with each other, and mutually supplement to assist and carry out fuel gas buring.Avoid occurring large fire hole at grade, the situation that when small fire hole burns at grade, flame distribution is uneven, make flame distribution more stable, even, higher to the utilization rate of combustion gas.Outside wall surface due to central flame cap 1 is inclined-plane, the inner surface of external ring fire cover 2 is also inclined-plane, therefore, although external ring fire cover small fire hole 21 and the large fire hole 12 of central flame cap are at grade, at grade, but in each fire hole the direction of combustion gas ejection is not at grade for the large fire hole of external ring fire cover 22 and central flame cap small fire hole 11.External ring fire cover small fire hole 21 and the large fire hole 22 of external ring fire cover to be inclined upwardly injection to the axis direction of burner, the large fire hole of central flame cap 12 and central flame cap small fire hole 11 with the axis direction of burner for the outward-dipping injection of benchmark, thus the fire hole on external ring fire cover 2 is coupled with the fire hole on central flame cap 1, form the cumulative flame of turriform.
The external ring fire cover 2 of the energy-gathering burner in the present embodiment is provided with dicyclo cumulative fire hole, central flame cap 1 is provided with outer spray dicyclo fire hole, by to the ingenious distribution on dicyclo cumulative fire hole and outer spray double ring fire pore geometry, make use of hot-air floating etc. fully hot, combustion gas is fully mixed with air, improves efficiency of combustion.External ring fire cover small fire hole 21 adopts Coupling Design with the large fire hole of central flame cap 12, the large fire hole 22 of external ring fire cover respectively with central flame cap small fire hole 11, the air entered from distributor 3 secondary-air passage is formed turriform double wrapped by flame, the secondary mixed path of effective prolonging combustion process Flame and air, makes burning more abundant.During burning, the dicyclo cumulative fire hole of external ring fire cover is assembled to the central shaft at a slant to burner, and the outer spray dicyclo fire hole on central flame cap disperses injection towards periphery, thus forms the powerful flame of high cumulative intercoupled of turriform.
As shown in Figure 6, the bottom surface of the outer shroud quirk 31 of distributor 3 is provided with at least three projections 314, and protruding 314 along the circumferential direction equidistantly distribute; Form the air flue passed through for combustion gas between adjacent two projections 314, air flue is turbine-like distribution.Wherein, the line between the mid point normal 312 of air flue and the mid point line 313 of air flue is angle Φ, and the number of degrees of angle Φ are 10 °-15 °.
The air flue of the distributor 3 of the burner in the present embodiment is turbine-like structure, combustion gas forms homodromal turbo-power effect along in worm gear shape air flue flow process, reduce gas echo to impact, make combustion gas more steady in air flue flow process, burn more stable.Meanwhile, worm gear shape air flue matches with overturn structure 311, and combustion gas is carried out in secondary mixed process in cavity, with evenly, more stable, efficiency of combustion is higher.
Embodiment two
The present embodiment proposes a kind of household gas range, and the gas-cooker in the present embodiment is provided with the energy-gathering burner proposed in embodiment one.Gas-cooker in use the present embodiment can improve the utilization rate to combustion gas, and combustion gas is in use burnt more stable, and Consumer's Experience is better, can save the combustion gas expense of family to a certain extent, environmental protection more simultaneously.
Below describe know-why of the present utility model in conjunction with specific embodiments, these describe just in order to explain principle of the present utility model, can not be interpreted as the restriction to the utility model protection domain by any way.Based on explaining herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.

Claims (10)

1. an energy-gathering burner, comprise central flame cap (1), external ring fire cover (2) and distributor (3), described distributor (3) has the outer shroud quirk (31) combustion gas introduced the center quirk (32) in described central flame cap (1) and combustion gas is introduced described external ring fire cover (2), it is characterized in that: the described bottom surface of outer shroud quirk (31) and the link position place of inwall are provided with overturn structure (311);
The internal face of described overturn structure (311) is a part for archimedes curve with the intersection through the plane of the central axis of described center quirk quirk (32).
2. energy-gathering burner according to claim 1, is characterized in that: described intersection obeys archimedes curve polar equation ρ=a θ;
Wherein, a=7,1.5 π≤θ≤2 π.
3. energy-gathering burner according to claim 1, it is characterized in that: described external ring fire cover (2) comprises the inner ring of outer ring and the close described central flame cap (1) be positioned at away from described central flame cap (1), described inner ring is with respect to the horizontal plane downwards in 40 ° of-45 ° of inclined-planes be obliquely installed;
Described inner ring is provided with dicyclo cumulative fire hole.
4. energy-gathering burner according to claim 3, is characterized in that: described dicyclo cumulative fire hole comprises circle external ring fire cover small fire hole (21) and be along the circumferential direction uniformly distributed in respectively on described inner ring and encloses the large fire hole of external ring fire cover (22);
The large fire hole of described external ring fire cover (22) is positioned at the top of described external ring fire cover small fire hole (21).
5. energy-gathering burner according to claim 4, is characterized in that: described central flame cap (1) is frustum cone structure, and the bus of described round platform and the angle of axle are 40 °-45 °;
The sidewall of described central flame cap (1) is provided with outer spray dicyclo fire hole.
6. energy-gathering burner according to claim 5, is characterized in that: described outer spray dicyclo fire hole comprise along the circumferential direction be uniformly distributed in described central flame cap (1) respectively sidewall on one circle the large fire hole of central flame cap (12) and one enclose central flame cap small fire hole (11);
The large fire hole of described central flame cap (12) is positioned at the below of described central flame cap small fire hole (11).
7. energy-gathering burner according to claim 6, is characterized in that: mutually stagger and arrange in the center of circle of the large fire hole of described external ring fire cover (22) and the center of circle of described external ring fire cover small fire hole (21);
Mutually stagger and arrange in the center of circle of the large fire hole of described central flame cap (12) and the center of circle of described central flame cap small fire hole (11).
8. energy-gathering burner according to claim 1, it is characterized in that: the bottom surface of the outer shroud quirk (31) of described distributor (3) is provided with at least three projections (314), and described projection (314) along the circumferential direction equidistantly distributes;
Form the air flue passed through for combustion gas between adjacent two described projections (314), described air flue is turbine-like distribution.
9. energy-gathering burner according to claim 8, is characterized in that: the line between the mid point normal (312) of described air flue and the mid point line (313) of air flue is angle Φ;
The number of degrees of described angle Φ are 10 °-15 °.
10. a household gas range, is characterized in that: described gas-cooker is provided with energy-gathering burner as claimed in any one of claims 1-9 wherein.
CN201420600393.5U 2014-10-16 2014-10-16 A kind of energy-gathering burner and household gas range CN204213924U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315512A (en) * 2014-10-16 2015-01-28 珠海格力电器股份有限公司 Energy-collecting burner and household gas cooker
CN105180168A (en) * 2015-09-23 2015-12-23 广东超人节能厨卫电器有限公司 Efficient domestic gas cooking appliance
CN107120646A (en) * 2017-05-25 2017-09-01 东莞质研工业设计服务有限公司 A kind of burner
CN107178798A (en) * 2017-05-25 2017-09-19 东莞质研工业设计服务有限公司 A kind of gas-cooker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315512A (en) * 2014-10-16 2015-01-28 珠海格力电器股份有限公司 Energy-collecting burner and household gas cooker
CN104315512B (en) * 2014-10-16 2017-02-01 珠海格力电器股份有限公司 Energy-collecting burner and household gas cooker
CN105180168A (en) * 2015-09-23 2015-12-23 广东超人节能厨卫电器有限公司 Efficient domestic gas cooking appliance
CN107120646A (en) * 2017-05-25 2017-09-01 东莞质研工业设计服务有限公司 A kind of burner
CN107178798A (en) * 2017-05-25 2017-09-19 东莞质研工业设计服务有限公司 A kind of gas-cooker
CN107178798B (en) * 2017-05-25 2018-06-19 广东容声电器股份有限公司 A kind of gas-cooker

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