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
  • F24C3/00—Stoves or ranges for gaseous fuels
  • F24C3/08—Arrangement or mounting of burners
• • 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

Definitions

• This application relates to the field of gas cooktop technologies, and in particular, to a burner fire cap and a gas cooktop.
• a gas cooktop is a common cooking utensil in our daily life.
• a burner fire cap of a gas cooktop has common fire hole forms, such as round holes, rectangular holes, and the like.
• a plurality of fire holes are disposed around the center of the fire cap in an annular array.
• the manufacturing process is relatively complex, the structure is complex, and the thermal efficiency is relatively low.
• this application provides a burner fire cap and a gas cooktop, to resolve problems of the relatively complex manufacturing process, the complex structure and the relatively low thermal efficiency of a burner fire cap in the related art.
• An embodiment of this application provides a burner fire cap, characterized by including a fire cap body, where an upper surface of the fire cap body is provided with a convex portion; a surface of the fire cap body away from the convex portion is provided with a plurality of concave pits not running through the convex portion, and the plurality of concave pits are disposed at intervals; and a fire-through seam is formed on an upper surface of the convex portion, and the fire- through seam is separately in communication with the plurality of concave pits to form a plurality of fire holes.
• the fire-through seam includes a first fire-through seam and a second fire-through seam disposed in parallel to each other along an extending direction of the convex portion;
• the concave pits include a plurality of first concave pits and a plurality of second concave pits, where the plurality of first concave pits are evenly spaced and disposed corresponding to the first fire-through seam; and the plurality of second concave pits are evenly spaced and disposed corresponding to the second fire-through seam.
• the plurality of first concave pits and the plurality of second concave pits are staggered from each other.
• the concave pits are set to gradually decrease in a cross-sectional area.
• a surface of the convex portion facing a center of the fire cap body is a fire covering surface, and an angle between the fire covering surface and the upper surface is an acute angle; and a depth direction of the fire-through seam is perpendicular to the fire covering surface.
• the angle ranges from 5° to 45°.
• the convex portion is a convex triangular prism disposed on the upper surface; and a surface of the convex triangular prism facing the center of the fire cap body is the fire covering surface.
• a plurality of convex triangular prisms are provided, and the plurality of convex triangular prisms are disposed around the center of the fire cap body.
• an air intake gap is formed between every two adjacent convex triangular prisms.
• an embodiment of this application also provides a gas cooktop, and the gas cooktop includes the burner fire cap described in any of the above designs.
• a burner fire cap provided in the embodiments of this application includes a fire cap body, where an upper surface of the fire cap body is provided with a convex portion, a surface of the fire cap body away from the convex portion is provided with a plurality of concave pits not running through the convex portion, and the plurality of concave pits are disposed at intervals; and a fire-through seam is formed on an upper surface of the convex portion, and the fire-through seam is separately in communication with the plurality of concave pits to form a plurality of fire holes.
• the fire cap body When the burner fire cap is manufactured, the fire cap body may be specifically integrally cast and formed by using a casting process, and the concave pits may be cast synchronously with the fire cap body.
• a fire-through seam may be processed and formed through cutting after the fire cap body is cast and formed. After being cut, a fire-through seam can be in communication with a plurality of correspondingly disposed concave pits to form a plurality of fire holes, so that the burner fire cap has advantages of the simple manufacturing process and the simple structure.
• the fire-through seam is in communication with the plurality of concave pits to form a plurality of fire holes that are spaced.
• the gas cooktop provided in the embodiments of this application includes the burner fire cap described above. All of the beneficial effects of the burner fire cap can be achieved and are not described herein again
• FIG. 1 is a schematic structural diagram of a burner fire cap in a first view angle according to an embodiment of this application;
• FIG. 2 is a top view of a burner fire cap according to an embodiment of this application;
• FIG. 3 is a cross-sectional view in an A-A direction in FIG. 2;
• FIG. 4 is a schematic structural diagram of a burner fire cap in a second view angle according to an embodiment of this application.
• FIG. 1 is a schematic structural diagram of a burner fire cap in a first view angle according to an embodiment of this application
• FIG. 2 is a top view of a burner fire cap according to an embodiment of this application
• FIG. 3 is a cross-sectional view in an A-A direction in FIG. 2
• FIG. 4 is a schematic structural diagram of a burner fire cap in a second view angle according to an embodiment of this application.
• an embodiment of this application provides a burner fire cap, including a fire cap body 1 , where an upper surface of the fire cap body 1 is provided with a convex portion 11 , a surface of the fire cap body 1 away from the convex portion 11 is provided with a plurality of concave pits not running through the convex portion 11 , and the plurality of concave pits are disposed at intervals; and a fire-through seam is formed on an upper surface of the convex portion 11, and the fire-through seam is separately in communication with the plurality of concave pits to form a plurality of fire holes.
• the fire cap body 1 When the burner fire cap is manufactured, the fire cap body 1 may be specifically integrally cast and formed by using a casting process, and the concave pits may be cast synchronously with the fire cap body 1.
• a fire-through seam may be processed and formed through cutting after the fire cap body 1 is cast and formed. After being cut, a fire- through seam can be in communication with a plurality of correspondingly disposed concave pits to form a plurality of fire holes, so that the burner fire cap has advantages of the simple manufacturing process and the simple structure.
• concave pits are disposed at intervals, after a fire-through seam is correspondingly cut on an upper surface of the convex portion 11, the fire-through seam is in communication with the plurality of concave pits to form a plurality of fire holes that are spaced.
• Such a structure can make air inflow between the fire holes more convenient, so that beneficial effects of improving the thermal combustion efficiency of gas can be achieved.
• the fire-through seam includes a first fire-through seam 112 and a second fire-through seam 113 disposed in parallel to each other along an extending direction of the convex portion 11;
• the concave pits include a plurality of first concave pits 114 and a plurality of second concave pits 115, where the plurality of first concave pits 114 are evenly spaced and disposed corresponding to the first fire-through seam 112; and the plurality of second concave pits 115 are evenly spaced and disposed corresponding to the second fire-through seam 113.
• each convex portion 11 is separately provided with a first fire-through seam 112 and a second fire-through seam 113 disposed in parallel to each other, and a surface of the fire cap body 1 away from the convex portion 11 is correspondingly provided with a plurality of first concave pits 114 and a plurality of second concave pits 115, so that two rows of fire holes can be formed on each convex portion 11, and effects of improving thermal combustion efficiency of the burner fire cap to the gas is better.
• each convex portion 11 may also be provided with more groups of the first fire- through seam 112, the second fire-through seam 113, the first concave pits 114 and the second concave pits 115.
• a plurality of first concave pits 114 and a plurality of second concave pits 115 are staggered from each other.
• a plurality of first concave pits 114 are disposed at intervals, so that a plurality of fire holes formed by communication between the plurality of first concave pits 114 and the first fire-through seam 112 are disposed at intervals with each other; and similarly, the plurality of second concave pits 115 are disposed at intervals, so that a plurality of fire holes formed by communication between the plurality of second concave pits 115 and the second fire-through seam 113 are disposed at intervals with each other.
• the plurality of first concave pits 114 and the plurality of second concave pits 115 are staggered from each other, so that fire holes respectively formed by the two are staggered from each other, to facilitate air inflow between the two rows of fire holes, thereby further improving the thermal combustion efficiency of gas.
• the concave pits are set to gradually decrease in a cross-sectional area.
• the shape of the concave pit may be specifically set to a cone-shaped structure, a pyramid-shaped structure, or the like.
• the cast fire cap body 1 can be demoulded easily.
• concave pits can also converge flame heat flows, and accelerate the heat flows along a thickness direction H to a fire hole.
• a surface of the convex portion 11 facing a center of the fire cap body 1 is a fire covering surface 111, and an angle between the fire covering surface 111 and the upper surface is an acute angle; a depth direction of the fire-through seam is perpendicular to the fire covering surface 111.
• the fire covering surface 111 is set to an inclined surface inclined to the center of the fire cap body 1 and the depth direction of the fire-through seam is perpendicular to the fire covering surface 111.
• Such structural design can make flame heat flows spayed out from fire holes converge towards the center of the fire cap body 1 , and this is more conducive to improving thermal efficiency of the burner fire cap.
• the angle ranges from 5° to 45°.
• an angle between the fire covering surface 111 and the upper surface of the fire cap body 1 is denoted as Q.
• the angle Q ranges from 5° to 45°, and may be specifically 5°, 15°, 25°, 25° and 45°.
• the angle Q is set too small, it is not conducive to convergence of flame heat flows; when the angle Q is set too large, it is not conducive to flame heat flows flowing from concave pits to a fire hole. Therefore, setting the value range of the angle Q between 5° and 45° can not only ensure that the fire cap body 1 converges flame heat flows, but also make flame heat flows smoothly flow from concave pits to a fire hole.
• a convex portion 11 is a convex triangular prism disposed on the upper surface; and a surface of the convex triangular prism facing the center of the fire cap body 1 is the fire covering surface 111.
• a convex portion 11 is set to a convex triangular prism. Not only the structure is simple, but also the convex triangular prism can be easily demoulded when casting a fire cap body 1 is cast.
• a plurality of convex triangular prisms are provided, and the plurality of convex triangular prisms are disposed around the center of the fire cap body 1.
• each convex triangular prism may be specifically provided, and the four convex triangular prisms are disposed around the center of the fire cap body 1 in a square shape.
• fire holes on each convex triangular prism can spray flame heat flows towards the center of the fire cap body 1 , so that flame convergence effects of the burner fire cap are better.
• convex triangular prisms may alternatively be provided.
• six convex triangular prisms are provided and the six convex triangular prisms are disposed around the center of the fire cap body 1 in a positive hexagon shape, and the foregoing beneficial effects can also be achieved.
• an air intake gap is formed between every two convex triangular prisms.
• an air intake gap is disposed between every two convex triangular prisms, to facilitate air inflow and ensure full combustion of gas.
• side surfaces of both ends of a convex triangular prism may alternatively be set to be inclined toward the middle of the convex triangular prism, so that an air intake gap can form a necking structure with large outside and small inside, and this is more conducive to air flowing to the center of the fire cap body 1.
• an embodiment of this application also provides a gas cooktop, and the gas cooktop includes a burner fire cap described in any of the foregoing embodiments. All of the beneficial effects thereof can be achieved and details are not described herein again.
• the foregoing are merely preferred embodiments of this application, and are not intended to limit this application. Any modification, equivalent replacement, improvement, and the like, made within the spirit and principle of this application shall be included in the scope of protection of this application.

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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)

Applications Claiming Priority (2)

Publications (1)

Family

ID=73198270

Family Applications (1)

Country Status (2)

Citations (3)

• 2019
  • 2019-11-13 CN CN201921951480.4U patent/CN212029619U/zh active Active
• 2020
  • 2020-11-04 WO PCT/EP2020/080873 patent/WO2021094151A1/en active Application Filing

Patent Citations (3)

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