WO2018166066A1 - 燃烧器和燃气灶具 - Google Patents
燃烧器和燃气灶具 Download PDFInfo
- Publication number
- WO2018166066A1 WO2018166066A1 PCT/CN2017/085218 CN2017085218W WO2018166066A1 WO 2018166066 A1 WO2018166066 A1 WO 2018166066A1 CN 2017085218 W CN2017085218 W CN 2017085218W WO 2018166066 A1 WO2018166066 A1 WO 2018166066A1
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- WIPO (PCT)
- Prior art keywords
- gas
- chamber
- air
- cavity
- burner
- Prior art date
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Classifications
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- 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
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- 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
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- 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
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- 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, e.g. noise reduction means
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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
Definitions
- the invention relates to the field of kitchenware, in particular to a burner and a gas cooker.
- a burner generally has a plurality of air chambers to achieve a multi-ring fire, such as a three-ring fire.
- Each air chamber is supplied by a separate ejector tube.
- the primary air is mixed with the gas at one end of the ejector tube to form a mixed gas and then enters the ejector tube and the air chamber.
- this makes the intake air amount of the primary air less, resulting in insufficient air supply for one air and insufficient combustion of the gas.
- the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the invention proposes a burner and a gas cooktop.
- a base a gas inlet chamber is formed in the base, a gas inlet passage is disposed on the base, and the gas inlet passage is connected to the gas inlet;
- the first gas separation structure includes a first air conduit and a first cavity, the first air conduit is connected to the first cavity, and the first cavity is spaced apart from the base
- the first air guiding tube extends into the gas inlet chamber;
- the second gas separation structure includes a second cavity and a third cavity, wherein the bottom surface of the second cavity is provided with a second air conduit and a third air conduit, the second guide a gas pipe and the third air pipe extend into the gas intake chamber, the second cavity is opened with a second chamber, and the second air conduit communicates with the second chamber and the gas inlet between;
- a third cavity is disposed in the second chamber, the third cavity is open with a third chamber spaced from the second chamber, the third air conduit is connected to the third chamber and The gas intake air.
- the structure of the three chambers can realize a three-ring fire burner.
- the primary air replenishing passage formed between the base and the first cavity can suck more primary air into the gas intake air to ensure the primary air content in the mixed gas of the first chamber, the second chamber and the third chamber. Sufficient, the gas is burned more fully, and the burner has more firepower.
- the first cavity includes spaced apart gas distribution trays and lands, the lands being disposed on the base and spaced from the base to form the primary air replenishing passage, A gas distribution disc is disposed on the lands and is spaced apart from the lands to form a secondary air replenishing passage, and the second cavity passes through the venting disc and is carried on the lands.
- the primary air replenishing passages are continuously distributed along the circumference of the combustor.
- the inlets of the secondary air replenishing passages are continuously distributed along the circumference of the combustor.
- the middle portion of the air separation tray is provided with a square through hole, the outer side surface of the air separation tray is circular, and the second cavity penetrates the square through hole.
- the positioning portion includes a guiding portion and a bearing portion, the guiding portion is connected to the bearing portion, and the guiding portion is used for guiding installation of the second gas separation structure
- the guiding portion protrudes from an outer wall of the second cavity, and a height at which the guiding portion protrudes gradually increases from bottom to top
- the bearing portion is provided with a slot that matches the shape of the flange, and the bearing portion bears against the flange through the slot.
- the edge of the lower surface of the lands is curved toward the base to form a braided structure.
- the lower surface edge of the gas distribution disk and the upper surface edge of the lands together form a structure that tapers in the direction of intake of the secondary air replenishing passage.
- the first chamber is provided with two partitions, the two partitions separating the first chamber into two sub-gas chambers, the first air duct
- the number is two, one of the sub-gas chambers communicates with the gas inlet through one of the first air ducts, and the other of the sub-gas chambers passes through the other of the first air ducts
- the gas is connected to the air intake.
- the second air conduit forms a first opening in a bottom surface of the second chamber, and the third air conduit is formed at a bottom surface of the second chamber to be spaced apart from the first opening Second opening;
- a bottom surface of the third chamber is provided with a vent hole communicating with the third chamber, and the vent hole is in communication with the second opening;
- the bottom surface of the third cavity is spaced above the first opening and is provided with a barrier wall separating the first opening and the second opening.
- the retaining wall is annular and projects away from the third cavity, the venting aperture extending through the retaining wall.
- the bottom surface of the second chamber is provided with a groove, the groove surrounds the second opening, and the groove and the retaining wall are cooperatively connected to separate the first An opening and the second opening.
- the hole wall of the vent hole includes a flow guiding surface
- the vent hole is provided with a shielding piece, and the shielding piece and the flow guiding surface are relatively spaced apart from each other and are common to the guiding surface
- a flow guiding channel for guiding gas into the third chamber is formed.
- the flow guiding channel has a tapered shape along an intake direction of the intake port.
- the flow guiding surface is curved
- the shielding piece comprises a top surface, a bottom surface and a connecting surface
- the top surface and the bottom surface are flat
- the connecting surface is connected to the top surface and The bottom surface
- the connecting surface is curved and forms the flow guiding channel with the guiding surface.
- the bottom surface of the third chamber and the top surface of the shutter are in the same plane.
- the shielding piece includes a shielding piece connecting portion connected to the hole wall of the vent hole, and the shielding piece connecting portion is provided with a plurality of through holes, the plurality of through holes communicating with the a vent and the third chamber.
- the third cavity further includes a fixing portion that connects the shielding piece and the bottom surface of the third chamber.
- a gas cooker according to an embodiment of the present invention includes the burner according to any of the above embodiments.
- the structure of the three chambers can realize a three-ring fire gas cooker.
- the primary air replenishing passage formed between the base and the first cavity can suck more primary air into the gas intake air to ensure the primary air content in the mixed gas of the first chamber, the second chamber and the third chamber. Sufficient to make the gas combustion more fully, the gas stove has more firepower.
- FIG. 1 is a schematic perspective view of a burner according to an embodiment of the present invention.
- FIG. 2 is a schematic plan view of a burner of an embodiment of the present invention.
- FIG. 3 is a perspective exploded view of a burner according to an embodiment of the present invention.
- FIG. 4 is a schematic cross-sectional view of a burner according to an embodiment of the present invention.
- Fig. 5 is a perspective view showing the base of the burner of the embodiment of the present invention.
- Fig. 6 is a schematic perspective view of a first gas separation structure according to an embodiment of the present invention.
- Fig. 7 is a side view showing the first gas separation structure of the embodiment of the present invention.
- FIG 8 is a perspective view of a second gas separation structure according to an embodiment of the present invention.
- Figure 9 is a side elevational view of a second gas separation structure in accordance with an embodiment of the present invention.
- Fig. 10 is a schematic cross-sectional view showing a second gas separation structure according to an embodiment of the present invention.
- Figure 11 is a perspective view of a second cavity of an embodiment of the present invention.
- Figure 12 is a perspective view of a third cavity in accordance with an embodiment of the present invention.
- Figure 13 is a schematic cross-sectional view of a third cavity in accordance with an embodiment of the present invention.
- a burner 100 includes a base 10, a first gas separation structure 20, and a second gas separation structure 40.
- a gas intake chamber 12 is formed in the base 10.
- a gas intake passage 14 is provided on the base 10. The gas intake passage 14 is connected to the gas intake chamber 12.
- the first gas separation structure 20 includes a first air conduit 22 and a first cavity 24.
- the first air duct 22 is connected to the first cavity 24.
- the first cavities 24 are spaced apart from the base 10 to form a primary air replenishing passage 30.
- the primary air replenishing passage 30 communicates with the gas intake port 12.
- the first cavity 24 is open with a first chamber 242.
- the first air duct 22 communicates with the first chamber 242 and the gas intake chamber 12.
- the first air duct 22 extends into the gas intake chamber 12.
- the second gas separation structure 40 includes a second cavity 42 and a third cavity 44.
- the bottom surface of the second cavity 42 A second air guiding tube 422 and a third air guiding tube 424 are disposed at intervals, and the second air guiding tube 422 and the third air guiding tube 424 extend into the gas intake chamber 12.
- the second chamber 42 is open with a second chamber 426.
- the second air conduit 422 communicates with the second chamber 426 and the gas inlet chamber 12.
- the third cavity 44 is disposed in the second chamber 426.
- the third cavity 44 is open with a third chamber 442 spaced from the second chamber 426.
- the third air duct 424 communicates with the third chamber 442 and the gas intake chamber 12.
- the structure of the three chambers can realize the burner 100 of the three-ring fire.
- the primary air replenishing passage 30 formed between the base 10 and the first cavity 24 can draw more primary air into the gas intake chamber 12, ensuring mixing of the first chamber 242, the second chamber 426, and the third chamber 442.
- the amount of primary air in the gas is sufficient to make the combustion of the gas more complete and the firepower of the burner 100 is greater.
- the outer side surface 16 of the base 10 has a circular shape
- the gas intake space 12 disposed on the base 10 has a square shape.
- the inner structure of the outer circumference of the base 10 causes the pressure of the injected gas to be greater, and further air is introduced into the gas intake chamber 12 through the primary air replenishing passage 30, so that the combustion of the gas is more complete, and the combustion of the gas is improved. s efficiency.
- the first chamber 242 in the embodiment of the present invention corresponds to the outer ring gas chamber of the combustor 100, and the first chamber 242 is provided with an outer ring fire cover 248; the second chamber 426 is equivalent to the middle ring gas chamber. In the chamber, the second chamber 426 is provided with a middle ring fire cover 428; the third chamber 442 is equivalent to the inner ring gas chamber, and the third chamber 442 is provided with an inner ring fire cover 446.
- the inner ring fire cover 446 disposed on the third chamber 442 is a porous ceramic plate.
- the gas is burned on the porous ceramic plate, the porous ceramic plate is turned red, and the infrared cooking is formed, thereby realizing the functions of extremely small fire, charcoal fire and slow stewing.
- the gas is burned at the middle ring fire cover 428 on the second chamber 426 to form a blue central ring flame, thereby subtly realizing the red-blue combined combustion flame, improving combustion performance and heating efficiency.
- the base 10 is provided with a liquid pan 60.
- the base 10 and the wetted pan 60 are spaced apart to form a primary air replenishing passage 30.
- the liquid pan 60 enters the receiving portion of the primary air replenishing passage 30 as air, so that the air flows more smoothly.
- the liquid pan 60 can also hold the soup overflowing during the use of the burner 100, avoiding the broth flowing into the interior of the burner 100, keeping the burner 100 clean, and the liquid pan 60 can achieve a clean effect. The trouble of the user cleaning the burner 100 is reduced.
- the wetted pan 60 mates with the projections 18 on the upper surface of the base 10 and is mounted tightly on the base 10.
- the upper surface of the wetted tray 60 is lower than the top end of the projection 18.
- the projections 18 prevent the overflowing soup from flowing back into the interior of the burner 100 along the wet pan 60, further ensuring cleaning of the burner 100.
- liquid pan 60 covers the base 10.
- the nozzle of the first air guiding tube 22 forms a plurality of cutouts 222.
- the first air duct 22 extends into the gas intake chamber 12 and the first air duct 22 is located below the primary air replenishing passage 30.
- the plurality of slits 222 can increase the path of air entering the first air duct 22, so that the air and the gas are sufficiently mixed to improve the efficiency of gas combustion.
- the slit 222 has a smooth arc shape.
- the speed at which air enters the first air duct 22 is increased to facilitate introduction of air into the first air duct 22.
- the number of the slits 222 on each of the first air tubes 22 is four.
- the number of the slits 222 is not limited to the embodiment discussed above, and a different number of slits 222 may be provided according to the diameter of the first air duct 22 to ensure that the air enters the first air duct 22 more rapidly.
- the inner wall of the third chamber 442 is provided with a stepped mounting portion 4423.
- the mounting portion 4423 is for mounting the inner ring fire cover 446.
- the inner ring fire cover 446 can be more stably installed on the combustor 100 without lateral and downward displacement so that the gas in the combustor 100 forms a stable flame at the inner ring fire cover 446.
- the stepped mounting portion 4423 can prevent the gas in the burner 100 from leaking from the gap between the mounting portion 4423 and the third cavity 44, thereby affecting the heating effect.
- the gas inlet passage 14 is disposed at the bottom of the base 10 in a cross shape, and the gas inlet passage 14 includes a plurality of air outlets 142, and each of the air outlets 142 is provided with a nozzle 144, and each nozzle 144 corresponds to An air tube.
- the gas inlet passage 14 provided with a plurality of gas outlets 142 optimizes the vent line to enhance the gas intake performance of the gas. Some gas inlet passages 14 can also be blocked according to different situations, the intake air amount of the gas can be adjusted, the waste of gas can be reduced, and energy can be saved.
- the nozzle 144 accelerates the velocity of the gas entering the gas inlet 12, thereby making the combustion of the gas more stable. In the embodiment of the present invention, the number of the nozzles 144 is four.
- the number of the first air guiding tubes 22 is two
- the number of the nozzles 144 is four
- each of the nozzles 144 corresponds to one air guiding tube, that is, the first air guiding tube 22 corresponds to two nozzles 144.
- the second air guiding tube 422 corresponds to one nozzle 144
- the third air guiding tube 424 corresponds to one nozzle 144.
- the first cavity 24 includes a spaced apart gas distribution disk 244 and a lands 246 disposed on the base 10 and spaced from the base 10 to form a primary air replenishing passage 30, the gas distribution plate 244 being disposed A secondary air replenishing passage 50 is formed on the lands 246 and spaced apart from the lands 246.
- the second cavities 42 pass through the venting discs 244 and are carried on the lands 246.
- the primary air replenishing passage 30 and the secondary air replenishing passage 50 adopt a split layer structure, so that the primary air replenishing passage 30 and the secondary air replenishing passage 50 are designed to have a large size without affecting each other, and the combustor 100 can be burned in the gas.
- the combustion of the gas is more complete, and the safety hazard and environmental pollution caused by the incomplete combustion of the gas are avoided.
- the dispensing disc 244 and the lands 246 are each circular, and the orthographic projection of the dispensing disc 244 on the lands 246 is located on the lands 246.
- the soup 100 overflowing during use of the burner 100 flows out along the connection plate 246, and does not enter. Inside the burner 100, the trouble of the user cleaning the burner 100 is reduced, and the spilled soup is prevented from entering the rust burner 100 inside the burner 100, reducing the life of the burner 100.
- the air separation tray 244 and the lands 246 are connected by a connecting portion 241.
- the number of the connecting portions 241 is plural, and the plurality of connecting portions 241 are spaced apart.
- connection between the air separation tray 244 and the lands 246 is more stable, and when the burner 100 encounters a slight collision or drop, the air separation tray 244 and the lands 246 are not separated, ensuring the service life of the burner 100.
- the two first air guiding tubes 22 are provided with two connecting portions 241 therein.
- the primary air replenishing passages 30 are continuously distributed along the circumference of the combustor 100.
- the primary air replenishing passages 30 are continuously distributed along the circumferential direction of the combustor 100 such that the gas intake air passages 12 are not blocked in all directions, and the air in each orientation of the combustor 100 can enter the gas intake passages through the primary air replenishing passages. .
- the inlets of the secondary air replenishing passages 50 are continuously distributed along the circumference of the combustor 100.
- the central portion of the air separation tray 244 is provided with a square through hole 2442, the outer side surface 2444 of the air separation tray 244 is circular, and the second cavity 42 is formed with a square through hole 2442.
- the air distribution plate 244 has a structure inside the outer circle, so that after the second cavity 42 is installed into the square through hole 2442, a large gap is formed between the second cavity 42 and the square through hole 2442 for the second space.
- the air supplemented by the gas replenishing passage 50 enters, replenishes the air for the gas, and improves the combustion efficiency of the gas.
- the second cavity 42 is circular
- other shapes of holes such as circular holes (not shown), may be formed in the middle of the air separation disk 244.
- the diameter of the circular aperture is greater than the diameter of the second cavity 42.
- the outer wall of the second cavity 42 is provided with a positioning portion 423.
- the edge of the square through hole 2442 is formed with a flange 24422, and the positioning portion 423 is mated with the flange 24422 to detachably position the second gas separation structure 40 in the square through hole 2442.
- the positioning portion 423 includes a guiding portion 4232 and a bearing portion 4234.
- the guiding portion 4232 is connected to the bearing portion 4234.
- the guiding portion 4232 is used for guiding the installation of the second air separation structure 40.
- the portion 4232 protrudes from the outer wall of the second cavity 42, and the height at which the guiding portion 4232 protrudes gradually increases from bottom to top.
- the bearing portion 4234 is provided with a slot that matches the shape of the flange 24422, and the bearing portion 4234 bears against the flange 24422 through the slot.
- each of the two sides of the second cavity 42 is provided with two positioning portions 423 spaced apart. As such, the installation of the second gas separation structure 40 is relatively stable, avoiding displacement of the second gas separation structure 40 in the burner 100.
- the upper surface of the base 10 is provided with a protrusion 18, and the protrusion 18 and the lower surface of the lands 246 are spaced apart.
- the air is prevented from entering the combustor 100 from the primary air replenishing passage 30, and the gas in the gas intake chamber 12 is prevented from leaking from the primary air replenishing passage 30.
- the edge of the lower surface of the land 246 is curved toward the base 10 to form a braided structure 2462.
- the braided structure 2462 can further prevent gas leakage in the gas intake chamber 12, thereby ensuring the safety of the burner 100.
- the overflowing soup can flow along the braid 2602 to the outside of the burner 100, ensuring the cleaning of the burner 100.
- the lower surface edge of the air separation tray 244 and the upper surface side of the lands 246 collectively form a structure that tapers in the direction of intake of the secondary air replenishing passage 50.
- the inlet of the secondary air replenishing passage 50 forms a structure that tapers in the direction of the airflow, and is more likely to enter the air, further enhancing the air replenishment and improving the efficiency of gas combustion.
- two partitions 2422 are disposed in the first chamber 242, and the two partitions 2422 divide the first chamber 242 into two sub-gas chambers 2424, the number of the first air ducts 22 being Two of the sub-gas chambers 2424 communicate with the gas inlet 12 through one of the first air tubes 22, and the other sub-gas chamber 2424 communicates with the gas inlet 12 through the other first air tube 22.
- the gas distribution within the two sub-gas chambers 2424 is more uniform as compared to the first chamber 242 as a whole, thereby allowing the gas to burn more evenly at the outer ring fire cover 248 disposed on the first chamber 242.
- each of the sub-gas chambers 2424 is provided with a first chamber intake port 2426, and the chamber intake port 2426 is located at an intermediate position of the sub-gas chamber 2424.
- each sub-gas chamber 2424 is substantially 180 degrees arcuate, and the chamber intake aperture 2426 is located 90 degrees within the sub-gas chamber 2424. As such, each sub-gas chamber 2424 causes the gas to reach a more evenly distributed state within the first chamber 242.
- the partition 2422 does not completely block the two sub-gas chambers 2424, and the two sub-gas chambers 2424 still have a small area of communication at the partition 2422 as compared to the no-part 2422.
- the partition 2422 is a right angle trapezoid.
- the top end of the partition member 2422 and the beveled edge and the outer ring fire cover 248 are spaced apart.
- both the purpose of spacing the first chamber 242 is achieved such that the gas distribution within the first chamber 242 is more uniform and the two sub-gas chambers 2424 are not completely separated.
- outer side of the outer ring fire cover 248 is provided with a fire hole. In some embodiments, outside The outer side and the inner side of the ring fire cover 248 are provided with fire holes.
- the second air duct 422 forms a first opening 4262 on the bottom surface of the second chamber 426, and the third air duct 424 is formed on the bottom surface of the second chamber 426. a second opening 4264 spaced apart by an opening 4262;
- the bottom surface 4421 of the third chamber 442 is provided with a vent hole 4422 communicating with the third chamber 442, and the vent hole 4422 is in communication with the second opening 4264;
- the bottom surface of the third cavity 44 is spaced above the first opening 4262 and is provided with a barrier wall 444 separating the first opening 4262 and the second opening 4264.
- the gas emitted from the second air guide tube 422 is dispersed by the bottom surface of the third cavity 44 to the respective positions of the second chamber 426 and then diffused upward.
- the second cavity 42 is more uniformly supplied to the respective positions of the second chamber 426, ensuring that the flame formed by the second cavity 42 is uniform.
- the retaining wall 444 can prevent the supply of air from the second chamber 426 and the third chamber 442 from affecting each other.
- the second cavity 42 and the third cavity 44 are substantially cylindrical.
- the structure is simple and easy to manufacture. At the same time, it facilitates the flow of gas into the second chamber 426 and the third chamber 442 more smoothly, ensuring the flow rate of the gas, thereby ensuring the gas in the middle ring fire cover 428 and the third chamber 442 on the second chamber 426.
- the side wall of the third cavity 44 is provided with a receiving portion 443 for making the third cavity 44 more stable when the third cavity 44 is mounted.
- the second cavity 42 and the third cavity 44 can be made of copper.
- the second cavity 42 and the third cavity 44 can withstand high temperatures and prolong the service life of the burner 100.
- the second cavity 42 and the third cavity 44 are easily cast and formed, and the first opening 4262, the second opening 4264, and the vent hole 4422 are formed to achieve better gas separation.
- the retaining wall 444 is annular and projects away from the third cavity 44, and the vent 4422 extends through the retaining wall 444.
- the length of the vent 4422 is increased such that more gas can be collected into the third chamber 442, ensuring the amount of gas supplied to the third chamber 442.
- the distance that the retaining wall 444 protrudes from the bottom surface of the third cavity 44 can be adjusted with the size of the third chamber 442 to optimize the air supply amount and gas velocity of the third chamber 442.
- the bottom surface of the second chamber 426 is provided with a recess 4266.
- the recess 4266 surrounds the second opening 4264.
- the recess 4266 and the retaining wall 444 are cooperatively connected to separate.
- connection between the second cavity 42 and the third cavity 44 is tight, the first opening 4262 and the second opening 4264 are completely blocked, and the gas separation performance of the burner 100 is greatly improved, thereby avoiding the high temperature environment of the burner 100.
- the connection is not tight and the gas separation performance of the burner 100 is affected.
- the retaining wall 444 is inserted into the recess 4266.
- the retaining wall 444 is thermally expanded, so that the combination of the retaining wall 444 and the recess 4266 is more tight, and the gas is preferably prevented from being in the second chamber 426 and the third chamber 442.
- the circulation occurs to ensure the gas separation effect of the burner 100.
- the vent wall of the vent 4422 includes a flow guiding surface 4424.
- the venting hole 4422 is provided with a shielding piece 4426.
- the shielding piece 4426 and the guiding surface 4424 are relatively spaced apart and formed together with the guiding surface 4424 for The pilot gas enters the flow channel 4428 of the third chamber 442.
- the gas enters the third chamber 442 along the flow path 4428, greatly increasing the gas flow rate and fluency of the gas entering the third chamber 442, making the combustion of the gas outside the burner 100 more stable.
- the mixed gas formed by the gas and the air is sprayed toward the shielding piece 4426 to form a gas flow, the shielding piece 4426 turns the direction of the mixed gas to the guiding flow channel 4428, and the mixed gas enters the third chamber through the guiding channel 4428.
- the shielding piece 4426 turns the direction of the mixed gas to the guiding flow channel 4428, and the mixed gas enters the third chamber through the guiding channel 4428.
- the flow guiding channel 4428 has a tapered shape along the direction of intake of the vent 4422.
- the gas is more smoothly passed through the flow guiding passage 4428 into the third chamber 442, and the flow rate of the gas is also increased to ensure that the combustion of the gas at the inner ring fire cover 446 is more stable.
- the flow guiding surface 4424 is curved, and the shielding sheet 4426 includes a top surface 44262.
- the bottom surface 44264 and the connecting surface 44266, the top surface 44262 and the bottom surface 44264 are planar, and the connecting surface 44266 is coupled to the top surface 44262 and the bottom surface 44264.
- the connecting surface 44266 is curved and forms a flow guiding channel 4428 with the flow guiding surface 4424.
- the curved flow surface 4424 reduces the resistance to gas and thereby achieves a faster rate.
- the curved flow guiding surface 4424 makes the gas flow more stable, avoiding the formation of turbulence or turbulence after the gas enters the third chamber 442, and the situation affecting the combustion stability of the gas occurs.
- the junction of the flow guiding surface 4424 and the bottom surface 4421 of the third chamber 442 is a rounded curved surface.
- flow guiding surface 4424 may also be provided as a slope.
- the acute angle formed by the flow guiding surface 4424 and the bottom surface 4421 of the third chamber 442 is 45 degrees.
- the rate at which gas enters the third chamber 442 can be further optimized.
- the curved connecting surface 44266 causes the gas to impinge on the bottom of the bottom surface of the third cavity 44, and is directly steered, reducing the velocity loss of the gas.
- the connecting surface 44266 cooperates with the flow guiding surface 4424 to form a flow guiding passage 4428 for the gas to smoothly enter the third chamber 442.
- the distance between the connecting surface 44266 and the flow guiding surface 4424 is 0.5 cm - 1.5 cm.
- the gas passes through the deflecting passage 4426 after being deflected and dispersed through the deflecting passage 4428, the gas is squeezed and the flow rate is increased due to the narrowing of the airflow passage.
- the gas creates a negative pressure below the flow guiding channel 4428, drawing more gas into the guiding channel 4428, further increasing the flow rate of the gas.
- the bottom surface 4421 of the third chamber 442 and the top surface 44262 of the shutter 4426 are in the same plane.
- the gas flows smoothly and rapidly after the gas enters the third chamber 442 from the vent hole 4422.
- the phenomenon of turbulence after the gas enters the third chamber 442 when the top surface 44262 and the bottom surface 4421 of the third chamber 442 are not in the same plane is avoided, and the combustion is stabilized after the gas is injected from the third chamber 442.
- the same plane refers to the same horizontal plane.
- the shielding piece 4426 includes a shielding piece connecting portion 44268 connected to the hole wall of the vent hole 4422, and the shielding piece connecting portion 44268 is provided with a plurality of through holes 44261, and the plurality of through holes 44261 communicate with the vent hole 4422 and The third chamber 442.
- the shielding piece 4426 When the shielding piece 4426 is turned to the gas, a small portion of the gas is turned to the direction of the shielding piece connecting portion 44268, and the opening through hole 44261 can introduce the part of the gas into the third chamber 442, thereby avoiding gas loss and increasing the number of The amount of gas supplied to the three chambers 442.
- the number of the through holes 44261 is not limited to the number of the embodiments discussed above, but may be adjusted according to the magnitude of the gas flow rate and the size of the third chamber 442 to achieve a better gas separation effect.
- the third cavity 44 further includes a fixing portion 448 that connects the shielding piece 4426 and the bottom surface 4421 of the third chamber 442.
- the fixing portion 448 further reinforces the shielding piece 4426, ensuring that the shielding piece 4426 is stably disposed on the third cavity 44, and is not easily deformed, thereby achieving a better gas separation effect and improving the reliability of the burner 100.
- the third cavity 44 is removably mounted in the second chamber 426.
- the third cavity 44 passes through the barrier 444 and the second chamber 426
- the groove 4266 on the bottom surface is fitted to be mounted in the second cavity 42.
- the positioning hole 421 can be formed on the bottom surface of the second cavity 426 by providing the positioning member 441 on the third cavity 44, and the positioning hole 421 is passed through the positioning member 441. The engagement with the locating aperture 421 mounts the second cavity 42 into the third cavity 44.
- the third cavity 44 can be stably installed in the second cavity 42.
- the relative slippage between the second cavity 42 and the third cavity 44 is less likely to occur, thereby ensuring the gas separation performance of the burner 100.
- the mounting and dismounting of the third cavity 44 is also facilitated.
- gas is input from the gas inlet passage 14 and injected into the gas inlet chamber 12 through a nozzle 144 disposed on the gas inlet passage 14, and the injected gas is
- the gas inlet chamber 12 generates a negative pressure to draw the primary air A from the primary air replenishing passage 30.
- the primary air and the gas are premixed between the gas inlets 12 to form a mixed gas.
- a portion of the mixed gas enters the first chamber 242 via the first air guiding tube 22, and as shown by A1, is sprayed outward through the outer ring fire cover 248 to form an outer ring fire.
- the gas mixture in the gas inlet chamber 12 and another portion of the air mixture (shown as line A2 in FIG. 4) are guided through the second air conduit 422 and the third air conduit 424 into the second chamber 426 and the first
- the three chambers 442 and the mixed gas of the second chamber 426 are sprayed outward through the middle ring fire cover 428 to form a middle ring fire.
- the flow direction of the mixed gas entering the second chamber 426 can be indicated by a broken line A21.
- the mixed gas in the third chamber 442 is injected outward through the inner ring fire cover 446, and is burned to form an inner ring fire of infrared rays.
- the flow direction of the mixed gas entering the third chamber 442 can be indicated by a broken line A22.
- the secondary air replenishing passage 50 can supplement the secondary air to the combustion of the gas in the middle ring fire cover 428 and the inner ring fire cover 446, and/or replenish the secondary air when the gas inside the outer ring fire cover 248 is burned, and the secondary air passes through the second
- the secondary air replenishing passage 50 enters the inside of the combustor 100 and flows upward, thereby achieving supplemental secondary air.
- the flow direction of the secondary air entering the burner 100 is indicated by a broken line B with an arrow in the figure.
- the burner 100 passes through the first air conduit 22, the second air conduit 422, and the third air conduit At 424 gas separation, a three-ring fire burner 100 is realized, which improves the heating efficiency of the burner 100.
- a gas cooker according to an embodiment of the present invention includes the combustor 100 of any of the above embodiments.
- the structure of the three chambers can realize a three-ring fire gas cooker.
- the primary air replenishing passage 30 formed between the base 10 and the first cavity 24 can draw more primary air into the gas intake chamber 12, ensuring mixing of the first chamber 242, the second chamber 426, and the third chamber 442.
- the content of primary air in the gas is sufficient to make the gas combustion more fully, and the firepower of the gas cooker is greater.
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
- features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
- the meaning of "a plurality” is two or more unless specifically and specifically defined.
- the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
- installation can be understood on a case-by-case basis.
- the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
- the first feature "above”, “above” and “above” the second feature may be the first feature Immediately above or obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.
- the first feature "below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
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Abstract
一种燃烧器(100)和燃气灶具,在燃烧器(100)中,燃气进气通道(14)连通底座(10)的燃气进气间(12),第一导气管(22)连接第一腔体(24),第一腔体(24)间隔设置在底座(10)上以形成一次空气补充通道(30),一次空气补充通道(30)与燃气进气间(12)连通,第一导气管(22)连通第一腔室(242)和燃气进气间(12),第一导气管(22)伸入燃气进气间(12)内,第二腔体(42)的底面间隔设置有第二导气管(422)和第三导气管(424),第二导气管(422)和第三导气管(424)伸进燃气进气间(12)内,第二导气管(422)连通第二腔室(426)和燃气进气间(12),第三腔体(44)设置在第二腔室(426)中,第三导气管(424)连通第三腔室(442)和燃气进气间(12)。
Description
优先权信息
本申请请求2017年03月15日向中国国家知识产权局提交的、专利申请号为201710153037.1、2017年03月15日向中国国家知识产权局提交的、专利申请号为201710153998.2、2017年03月15日向中国国家知识产权局提交的、专利申请号为201710153212.7及2017年03月15日向中国国家知识产权局提交的、专利申请号为201710153994.4的专利申请的优先权和权益,并且通过参照将其全文并入此处。
本发明涉及厨具领域,具体涉及一种燃烧器和燃气灶具。
在相关技术中,燃烧器一般具有多个气腔以实现多环火,如三环火。每个气腔均由独立的引射管供气。在供气时,一次空气在引射管的一端与燃气混合成混合气体再进入引射管和气腔中。但是,这样使得一次空气的进气量较少,导致一次空气供气不足,燃气燃烧不充分。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本发明提出一种燃烧器和燃气灶具。
本发明实施方式的一种燃烧器,包括:
底座,所述底座内形成有燃气进气间,所述底座上设置有燃气进气通道,所述燃气进气通道连通所述燃气进气间;
第一分气结构,所述第一分气结构包括第一导气管和第一腔体,所述第一导气管连接第一腔体,所述第一腔体间隔设置在所述底座上以形成一次空
气补充通道,所述一次空气补充通道与所述燃气进气间连通,所述第一腔体开设有第一腔室,所述第一导气管连通所述第一腔室和所述燃气进气间,所述第一导气管伸入所述燃气进气间内;
第二分气结构,所述第二分气结构包括第二腔体和第三腔体,所述第二腔体的底面间隔设置有第二导气管和第三导气管,所述第二导气管和所述第三导气管伸进所述燃气进气间内,所述第二腔体开设有第二腔室,所述第二导气管连通所述第二腔室和所述燃气进气间;
第三腔体设置在所述第二腔室中,所述第三腔体开设有与所述第二腔室间隔的第三腔室,所述第三导气管连通所述第三腔室和所述燃气进气间。
本发明实施方式的燃烧器中,三个腔室的结构可实现三环火的燃烧器。底座与第一腔体间形成的一次空气补充通道可吸入更多的一次空气进入燃气进气间,保证第一腔室、第二腔室和第三腔室的混合气体中的一次空气的含量充足,使燃气燃烧更充分,燃烧器的火力更大。在某些实施方式中,所述第一腔体包括间隔的分气盘和连接盘,所述连接盘设置在所述底座上并与所述底座间隔以形成所述一次空气补充通道,所述分气盘设置在所述连接盘上并与所述连接盘间隔形成二次空气补充通道,所述第二腔体穿设所述分气盘并承载在所述连接盘上。
在某些实施方式中,所述一次空气补充通道沿所述燃烧器的周向连续分布。
在某些实施方式中,所述二次空气补充通道的进口沿所述燃烧器的周向连续分布。
在某些实施方式中,所述分气盘的中间位置开设有方形通孔,所述分气盘的外侧面呈圆形,所述第二腔体穿设所述方形通孔。
在某些实施方式中,所述定位部包括导引部和承靠部,所述导引部连接所述承靠部,所述导引部用于导引所述第二分气结构的安装,所述导引部凸出所述第二腔体的外壁,且所述导引部凸出的高度由下到上逐渐增加,所述
承靠部开设有与所述凸缘形状相匹配的槽位,所述承靠部通过所述槽位承靠在所述凸缘上。
在某些实施方式中,所述连接盘的下表面的边缘向所述底座方向弯曲形成檐状结构。
在某些实施方式中,所述分气盘的下表面边缘和所述连接盘的上表面边缘共同形成沿所述二次空气补充通道进气方向渐缩的结构。
在某些实施方式中,所述第一腔室中设置有两个隔断件,所述两个隔断件将所述第一腔室隔开为两个子燃气腔室,所述第一导气管的数量为两个,其中一个所述子燃气腔室通过其中一个所述第一导气管与所述燃气进气间连通,另一个所述子燃气腔室通过另一个所述第一导气管与所述燃气进气间连通。
在某些实施方式中,所述第二导气管在所述第二腔室的底面形成第一开口,所述第三导气管在所述第二腔室的底面形成与所述第一开口间隔的第二开口;
所述第三腔室的底面开设有与所述第三腔室相通的通气孔,所述通气孔与所述第二开口连通;
所述第三腔体的底面间隔覆盖在所述第一开口的上方且设置有隔开所述第一开口与所述第二开口的挡壁。
在某些实施方式中,所述挡壁呈环形并向远离所述第三腔体的方向凸出,所述通气孔贯穿所述挡壁。
在某些实施方式中,所述第二腔室的底面上开设有凹槽,所述凹槽围绕所述第二开口,所述凹槽和所述挡壁配合连接以隔开所述第一开口与所述第二开口。
在某些实施方式中,所述通气孔的孔壁包括导流面,所述通气孔中设置有遮挡片,所述遮挡片和所述导流面相对间隔设置并与所述导流面共同形成用于导引气体进入所述第三腔室的导流通道。
在某些实施方式中,所述导流通道沿所述进气孔的进气方向呈渐扩的形状。
在某些实施方式中,所述导流面呈弧形,所述遮挡片包括顶面、底面和连接面,所述顶面和所述底面为平面,所述连接面连接所述顶面和所述底面,所述连接面呈弧形且与所述导流面形成所述导流通道。
在某些实施方式中,所述第三腔室的底面和所述遮挡片的顶面处于同一平面。
在某些实施方式中,所述遮挡片包括与所述通气孔的孔壁连接的遮挡片连接部,所述遮挡片连接部上开设有多个通孔,所述多个通孔连通所述通气孔和所述第三腔室。
在某些实施方式中,所述第三腔体还包括固定部,所述固定部连接所述遮挡片和所述第三腔室的底面。
本发明实施方式的燃气灶具包括如上任一实施方式所述的燃烧器。
本发明实施方式的燃气灶具中,三个腔室的结构可实现三环火的燃气灶具。底座与第一腔体间形成的一次空气补充通道可吸入更多的一次空气进入燃气进气间,保证第一腔室、第二腔室和第三腔室的混合气体中的一次空气的含量充足,使燃气燃烧更充分,燃气灶具的火力更大。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解,其中:
图1是本发明实施方式的燃烧器的立体示意图。
图2是本发明实施方式的燃烧器的平面示意图。
图3是本发明实施方式的燃烧器的立体分解示意图。
图4是本发明实施方式的燃烧器的截面示意图。
图5是本发明实施方式的燃烧器的底座的立体示意图。
图6是本发明实施方式的第一分气结构的立体示意图。
图7是本发明实施方式的第一分气结构的侧面示意图。
图8是本发明实施方式的第二分气结构的立体示意图。
图9是本发明实施方式的第二分气结构的侧面示意图。
图10是本发明实施方式的第二分气结构的截面示意图。
图11是本发明实施方式的第二腔体的立体示意图。
图12是本发明实施方式的第三腔体的立体示意图。
图13是本发明实施方式的第三腔体的截面示意图。
以下结合附图对本发明的实施方式作进一步说明。附图中相同或类似的标号自始至终表示相同或类似的元件或具有相同或类似功能的元件。
另外,下面结合附图描述的本发明的实施方式是示例性的,仅用于解释本发明的实施方式,而不能理解为对本发明的限制。
请参阅图1-图3,本发明实施方式提供的一种燃烧器100,包括底座10、第一分气结构20和第二分气结构40。
底座10内形成有燃气进气间12。底座10上设置有燃气进气通道14。燃气进气通道14连通燃气进气间12。
第一分气结构20包括第一导气管22和第一腔体24。第一导气管22连接第一腔体24。第一腔体24间隔设置在底座10上以形成一次空气补充通道30。一次空气补充通道30与燃气进气间12连通。第一腔体24开设有第一腔室242。第一导气管22连通第一腔室242和燃气进气间12。第一导气管22伸入燃气进气间12内。
第二分气结构40包括第二腔体42和第三腔体44。第二腔体42的底面
间隔设置有第二导气管422和第三导气管424,第二导气管422和第三导气管424伸进燃气进气间12内。第二腔体42开设有第二腔室426。第二导气管422连通第二腔室426和燃气进气间12。第三腔体44设置在第二腔室426中。第三腔体44开设有与第二腔室426间隔的第三腔室442。第三导气管424连通第三腔室442和燃气进气间12。
本发明实施方式的燃烧器100中,三个腔室的结构可实现三环火的燃烧器100。底座10与第一腔体24间形成的一次空气补充通道30可吸入更多的一次空气进入燃气进气间12,保证第一腔室242、第二腔室426和第三腔室442的混合气体中的一次空气的含量充足,使燃气燃烧更充分,燃烧器100的火力更大。
具体地,底座10的外侧面16呈圆形,设置在底座10上的燃气进气间12呈方形。
如此,底座10外圆内方的结构,使得喷射出来的燃气产生的压力更大,进而经一次空气补充通道30引入更多空气进入燃气进气间12,使得燃气的燃烧更完全,提高燃气燃烧的效率。
具体地,本发明实施方式中的第一腔室242相当于燃烧器100的外环燃气腔室,第一腔室242上设置有外环火盖248;第二腔室426相当于中环燃气腔室,第二腔室426上设置有中环火盖428;第三腔室442相当于内环燃气腔室,第三腔室442上设置有内环火盖446。在本发明实施方式中,设置在第三腔室442上的内环火盖446为多孔陶瓷板。
如此,燃气在多孔陶瓷板上燃烧,使多孔陶瓷板变红,形成红外线煮食,实现了极小火、炭火慢炖等功能。同时,气体在第二腔室426上的中环火盖428处燃烧形成蓝色的中环火焰,从而巧妙地实现红蓝组合燃烧火焰,提高了燃烧性能和加热效率。
在某些实施方式中,底座10上设置有接液盘60。底座10和接液盘60间隔设置形成一次空气补充通道30。
如此,接液盘60作为空气进入一次空气补充通道30的承接部,使得空气流动更顺畅。同时,接液盘60还能盛接燃烧器100使用过程中溢出的汤汁,避免汤汁流进燃烧器100内部,保持燃烧器100的清洁,接液盘60还能实现一抹净的效果,减少了用户清洁燃烧器100的麻烦。
在某些实施方式中,接液盘60和底座10上表面上的凸起18配合,紧密安装在底座10上。接液盘60的上表面低于凸起18的顶端。
如此,凸起18可防止溢出的汤汁沿接液盘60回流到燃烧器100内部,进一步保证燃烧器100的清洁。
进一步地,接液盘60覆盖底座10。
如此,可保证溢出的汤汁流出到燃烧器100外部且不会残留在底座10附近,造成用户难以清洁的情况。
请一并参阅图5和图7,在某些实施方式中,第一导气管22的管口形成多个豁口222。第一导气管22伸入燃气进气间12内且第一导气管22位于一次空气补充通道30下方。
如此,多个豁口222能增加空气进入第一导气管22的路径,使得空气和燃气进行充分地混合,提高了燃气燃烧的效率。
具体地,豁口222呈光滑圆弧状。
如此,增加了空气进入第一导气管22的速度,便于将空气导入第一导气管22。
每个第一导气管22上的豁口222的数量为4个。
如此,能较好地实现导入空气补充的目的。
当然,豁口222的数量不限于上述讨论的实施方式,而可以根据第一导气管22的管径大小设置不同数量的豁口222以保证空气更迅速地进入第一导气管22。
在某些实施方式中,第三腔室442的内壁上设置有阶梯状的安装部4423。安装部4423用于安装内环火盖446。
如此,内环火盖446能较稳定地安装在燃烧器100上,不会出现左右和向下的位移,以便燃烧器100内的燃气在内环火盖446处形成稳定的火焰。同时阶梯状的安装部4423还能防止燃烧器100内的燃气从安装部4423和第三腔体44之间的缝隙泄露,影响加热效果。
在某些实施方式中,燃气进气通道14呈十字型设置在底座10的底部,燃气进气通道14包括多个出气口142,每个出气口142设置有一个喷嘴144,每个喷嘴144对应一个导气管。
如此,设置有多个出气口142的燃气进气通道14优化了通气管路,增强了燃气的进气性能。还可根据不同的情况堵住部分燃气进气通道14,调节燃气的进气量,减少燃气的浪费,节约能源。喷嘴144则加速了燃气进入燃气进气间12的速度,从而使燃气的燃烧更加稳定。本发明实施方式中,喷嘴144的数量为4个。在本实施方式中,第一导气管22的数量为两个,喷嘴144的数量为4个,每个喷嘴144对应一个导气管,也就是说,第一导气管22对应有两个喷嘴144,第二导气管422对应有一个喷嘴144,第三导气管424对应有一个喷嘴144。
在某些实施方式中,第一腔体24包括间隔的分气盘244和连接盘246,连接盘246设置在底座10上并与底座10间隔以形成一次空气补充通道30,分气盘244设置在连接盘246上并与连接盘246间隔形成二次空气补充通道50,第二腔体42穿设分气盘244并承载在连接盘246上。
如此,一次空气补充通道30和二次空气补充通道50采用错层结构,可使一次空气补充通道30和二次空气补充通道50设计成较大尺寸而相互不影响,燃烧器100可在燃气燃烧时补充大量空气,使得燃气的燃烧更完全,避免了燃气燃烧不彻底而造成的安全隐患和环境污染。
在某些实施方式中,分气盘244和连接盘246均呈圆形,且分气盘244在连接盘246上的正投影位于连接盘246上。
如此,燃烧器100使用过程中溢出的汤汁沿连接盘246流出,不会进入
燃烧器100内部,减少了用户清洁燃烧器100的麻烦,也避免了溢出的汤汁进入燃烧器100内部锈蚀燃烧器100,减少燃烧器100的寿命。
具体地,分气盘244和连接盘246通过连接部241连接。在本发明示例中,连接部241的数量为多个,多个连接部241间隔设置。
如此,分气盘244和连接盘246之间的连接更加稳定,燃烧器100遇到轻微碰撞或跌落时,分气盘244和连接盘246不会分离,保证了燃烧器100的使用寿命。
在本发明示例中,两个第一导气管22穿设其中的两个连接部241。
如此,可避免第一导气管22占用二次空气补充通道50的进口的面积,保证二次空气补充通道50的进气量。
在某些实施方式中,一次空气补充通道30沿燃烧器100的周向连续分布。
如此,实现空气从燃烧器100的360度方位进入燃气进气间12,极大地提高了一次空气的进气量。
具体地,一次空气补充通道30沿燃烧器100的周向连续分布使得燃气进气间12各个方位上没有遮挡,燃烧器100各个方位的空气均能通过一次空气补充通道30进入燃气进气间12。
在某些实施方式中,二次空气补充通道50的进口沿燃烧器100的周向连续分布。
如此,实现空气从燃烧器100的360度方位进入第一腔体24,极大地提高了二次空气的进气量。同时,二次空气补充通道50和一次空气补充通道30错层分布,二者不会相互影响,完善了燃烧器100的空气补充效果。
在某些实施方式中,分气盘244的中间位置开设有方形通孔2442,分气盘244的外侧面2444呈圆形,第二腔体42穿设方形通孔2442。
如此,分气盘244呈外圆内方的结构,使得第二腔体42安装到方形通孔2442内后,第二腔体42和方形通孔2442之间形成较大空隙,供二次空
气补充通道50补充的空气进入,为燃气进行空气补充,提高燃气的燃烧效率。
进一步地,第二腔体42呈圆形时,分气盘244的中间也可开设其他形状的孔,比如圆形孔(图未示)。圆形孔的直径大于第二腔体42的直径。
如此,便于二次空气补充通道50进入的空气对燃气进行空气补充。
在某些实施方式中,第二腔体42的外壁上设置有定位部423。方形通孔2442的边缘形成有凸缘24422,定位部423与凸缘24422配合连接而将第二分气结构40可拆卸地定位在方形通孔2442中。
在某些实施方式中,定位部423包括导引部4232和承靠部4234,导引部4232连接承靠部4234,导引部4232用于导引第二分气结构40的安装,导引部4232凸出第二腔体42的外壁,且导引部4232凸出的高度由下到上逐渐增加。承靠部4234开设有与凸缘24422形状相匹配的槽位,承靠部4234通过槽位承靠在凸缘24422上。
在本发明实施方式中,第二腔体42相背两侧的每一侧都设置有间隔的两个定位部423。如此,第二分气结构40的安装较稳固,避免第二分气结构40在燃烧器100中的移位。
另外,本发明实施方式中,底座10的上表面设置有凸起18,凸起18和连接盘246的下表面间隔设置。
如此,既不会影响空气从一次空气补充通道30进入燃烧器100,又能防止燃气进气间12内的燃气从一次空气补充通道30泄露。
请参阅图4,在某些实施方式中,连接盘246的下表面的边缘向底座10方向弯曲形成檐状结构2462。
如此,檐状结构2462能进一步防止燃气进气间12内的燃气泄露,保证了燃烧器100使用的安全性。同时,溢出的汤汁能沿檐状结构2462流到燃烧器100外部,保证了燃烧器100的清洁。
在某些实施方式中,分气盘244的下表面边缘和连接盘246的上表面边
缘共同形成沿二次空气补充通道50进气方向渐缩的结构。
如此,二次空气补充通道50的进口形成沿气流方向渐缩的结构,更易于空气进入,进一步加强了空气补充,提高了燃气燃烧的效率。
在某些实施方式中,第一腔室242中设置有两个隔断件2422,两个隔断件2422将第一腔室242隔开为两个子燃气腔室2424,第一导气管22的数量为两个,其中一个子燃气腔室2424通过其中一个第一导气管22与燃气进气间12连通,另一个子燃气腔室2424通过另一个第一导气管22与燃气进气间12连通。
如此,两个子燃气腔室2424内的燃气分布相较于第一腔室242整体相通时更加均匀,从而使得燃气在设置在第一腔室242上的外环火盖248处燃烧更加均匀。
具体地,在本发明示例中,每个子燃气腔室2424开设有第一腔室进气孔2426,腔室进气孔2426位于子燃气腔室2424的中间位置。在一个例子中,每个子燃气腔室2424基本呈180度的圆弧状,腔室进气孔2426位于子燃气腔室2424内90度的位置。如此,每个子燃气腔室2424使燃气在第一腔室242内更迅速地达到均匀分布的状态。
另外,在某些实施方式中,隔断件2422并不完全隔断两个子燃气腔室2424,相较于没有隔断件2422,两个子燃气腔室2424在隔断件2422处仍然有小面积的相通。
如此,能防止部分第一导气管22出现堵塞时,第一腔室242内仍能保持充足燃气供应。
在某些实施方式中,隔断件2422呈直角梯形。隔断件2422的顶端和斜边和外环火盖248间隔设置。
如此,既实现了隔开第一腔室242的目的,使得第一腔室242内的燃气分布更均匀,又不会完全将两个子燃气腔室2424独立开来。
进一步地,外环火盖248的外侧面开设有火孔。在某些实施方式中,外
环火盖248的外侧面和内侧面均开设有火孔。
请参阅图8-图10,在某些实施方式中,第二导气管422在第二腔室426的底面形成第一开口4262,第三导气管424在第二腔室426的底面形成与第一开口4262间隔的第二开口4264;
第三腔室442的底面4421开设有与第三腔室442相通的通气孔4422,通气孔4422与第二开口4264连通;
第三腔体44的底面间隔覆盖在第一开口4262的上方且设置有隔开第一开口4262与第二开口4264的挡壁444。
如此,由第二导气管422出射的气体由第三腔体44的底面分散到第二腔室426的各个位置后向上扩散。如此,使得第二腔体42较均匀地向第二腔室426的各个位置供气,保证第二腔体42所形成的火焰均匀。同时,挡壁444可使第二腔室426和第三腔室442的供气相互不影响。
具体地,本发明实施方式中,第二腔体42和第三腔体44基本呈圆柱状。
如此,结构简单,易于制造。同时,便于气体进入第二腔室426和第三腔室442时更流畅,保证气体的流速,从而保证燃气在第二腔室426上的中环火盖428处和第三腔室442上的内环火盖446处燃烧的稳定性。
在本发明实施方式中,第三腔体44的侧壁上设置有承放部443,承放部443用于在安装第三腔体44时使第三腔体44放置更稳定。
在一个例子中,第二腔体42和第三腔体44可采用铜制成。
如此,第二腔体42和第三腔体44能耐高温,延长燃烧器100的使用寿命。同时,使得第二腔体42和第三腔体44易于铸造成型,形成第一开口4262、第二开口4264和通气孔4422等结构,实现较佳的分气作用。
在某些实施方式中,挡壁444呈环形并向远离第三腔体44的方向凸出,通气孔4422贯穿挡壁444。
如此,增加了通气孔4422的长度,使得更多的气体能被收集进入到第三腔室442内,保证第三腔室442的供气量。
当然,挡壁444突出第三腔体44的底面的距离可随第三腔室442的大小进行调整以使第三腔室442的供气量和气体速度更加优化。
请参阅图11-图13,在某些实施方式中,第二腔室426的底面上开设有凹槽4266,凹槽4266围绕第二开口4264,凹槽4266和挡壁444配合连接以隔开第一开口4262与第二开口4264。
如此,第二腔体42和第三腔体44之间连接紧密,第一开口4262和第二开口4264被完全隔断,燃烧器100的分气性能得到大幅提升,避免了燃烧器100在高温环境中使用时间较长后,第二腔体42和第三腔体44发生形变导致连接不紧密从而影响燃烧器100的分气性能的情况。
具体地,挡壁444***凹槽4266中。
如此,燃烧器100在高温环境中工作时,挡壁444受热膨胀,使得挡壁444与凹槽4266的结合更加紧密,能较佳地阻止气体在第二腔室426和第三腔室442之间发生流通,保证了燃烧器100的分气效果。
在某些实施方式中,通气孔4422的孔壁包括导流面4424,通气孔4422中设置有遮挡片4426,遮挡片4426和导流面4424相对间隔设置并与导流面4424共同形成用于导引气体进入第三腔室442的导流通道4428。
如此,气体沿导流通道4428进入第三腔室442,大大提高了气体进入第三腔室442的气流速度和流畅度,使得气体在燃烧器100外的燃烧更稳定。
具体地,燃烧器100使用时,燃气与空气形成的混合气体喷向遮挡片4426形成气流,遮挡片4426将混合气体的方向转向导流通道4428,混合气体经导流通道4428进入第三腔室442内。
在某些实施方式中,导流通道4428沿通气孔4422的进气方向呈渐扩的形状。
如此,有助于气体更顺畅地通过导流通道4428进入第三腔室442,同时也增加了气体的流速,保证燃气在内环火盖446处燃烧更稳定。
在某些实施方式中,导流面4424呈弧形,遮挡片4426包括顶面44262、
底面44264和连接面44266,顶面44262和底面44264为平面,连接面44266连接顶面44262和底面44264,连接面44266呈弧形且与导流面4424形成导流通道4428。
如此,气体沿导流通道4428进入第三腔室442时,弧形的导流面4424能使气体受到的阻力减少,进而达到更快的速度。同时,弧形的导流面4424使得气体流动更加平稳,避免了气体进入第三腔室442内后形成紊流或湍流,而出现影响燃气燃烧稳定性的情况。
在某些实施方式中,导流面4424和第三腔室442的底面4421的连接处为圆滑曲面。
如此,增加气体进入第三腔室442内的流畅性。
进一步地,导流面4424还可设置为斜面。
如此,也能实现协助燃气顺畅进入第三腔室442内的目的。
较佳地,导流面4424为斜面时,导流面4424和第三腔室442的底面4421形成的锐角为45度。
如此,能进一步优化气体进入第三腔室442内的速度。
弧形的连接面44266则使气体冲击第三腔体44的底面底部后,被直接转向,减少了气体的速度损失。连接面44266配合导流面4424,形成供气体顺畅进入第三腔室442的导流通道4428。
进一步地,本发明实施方式中连接面44266和导流面4424之间的距离为0.5厘米-1.5厘米。
如此,气体经遮挡片4426转向分散后通过导流通道4428时,由于气流通道变窄,气体发生挤压,流速增加。同时,气体在导流通道4428下方形成负压,吸取更多气体进入导流通道4428,进一步增加了气体的流速。
在某些实施方式中,第三腔室442的底面4421和遮挡片4426的顶面44262处于同一平面。
如此,使得气体从通气孔4422进入第三腔室442后气体流动平稳、迅
速,避免出现顶面44262和第三腔室442的底面4421不在同一平面时气体进入第三腔室442后形成紊流的现象,进一步保证燃气从第三腔室442喷射后燃烧稳定。
在某些实施方式中,同一平面是指同一水平面。
在某些实施方式中,遮挡片4426包括与通气孔4422的孔壁连接的遮挡片连接部44268,遮挡片连接部44268上开设有多个通孔44261,多个通孔44261连通通气孔4422和第三腔室442。
由于遮挡片4426转向气体时,有小部分的气体被转向至遮挡片连接部44268的方向,开设通孔44261能够将这部分气体导入到第三腔室442中,避免了气体流失,增加了第三腔室442的供气量。
具体地,本发明实施方式中,通孔44261有4个,且均匀设置在连接部241上。
如此,提高了通孔44261分流的效果。
当然,通孔44261的个数不限于上述讨论的实施方式中的个数,而可以根据气体流量的大小和第三腔室442的大小进行调整,以达到较佳的分气效果。
在某些实施方式中,第三腔体44还包括固定部448,固定部448连接遮挡片4426和第三腔室442的底面4421。
由于燃烧器100在高温环境下工作,遮挡片4426容易发生形变,影响燃烧器100的分气效果。固定部448进一步加固了遮挡片4426,保证了遮挡片4426稳定设置在第三腔体44上,不易发生形变,进而达到较佳的分气效果,提高了燃烧器100的可靠度。
在某些实施方式中,第三腔体44可拆卸地安装在第二腔室426中。
如此,易于将第三腔体44拆卸下来对第二腔体42和第三腔体44进行清洁,保持燃烧器100的清洁。
在某些实施方式中,第三腔体44除了通过挡壁444和第二腔室426的
底面上的凹槽4266配合来安装在第二腔体42中,还能通过在第三腔体44上设置定位件441,在第二腔室426的底面上开设定位孔421,通过定位件441和定位孔421的配合将第二腔体42安装到第三腔体44中。
如此,第三腔体44能稳定安装在第二腔体42中。第二腔体42和第三腔体44之间不易发生相对滑落,从而保证燃烧器100的分气性能。同时,也便于第三腔体44的安装和拆卸。
具体地,定位件441有4个,呈长方形的四个顶点分布在第三腔体44的底面上。
请参阅图4,本发明实施方式的燃烧器100工作时,燃气从燃气进气通道14输入,通过设置在燃气进气通道14上的喷嘴144喷入燃气进气间12,喷入的燃气在燃气进气间12产生负压以从一次空气补充通道30吸入一次空气A,如图4所示,一次空气与燃气在燃气进气间12预混形成混合气体。一部分混合气体经第一导气管22的导引进入第一腔室242,如A1所示,经外环火盖248向外喷射、燃烧形成外环火。
在燃气进气间12内的燃气与空气的另一部分混合气体(如图4中线路A2所示)经第二导气管422和第三导气管424的导引分别进入第二腔室426和第三腔室442,第二腔室426的混合气体经中环火盖428向外喷射,燃烧形成中环火。进入第二腔室426的混合气体的流动方向可参虚线A21所示。
第三腔室442中的混合气体经内环火盖446向外喷射,燃烧形成红外线的内环火。进入第三腔室442的混合气体的流动方向可参虚线A22所示。
二次空气补充通道50可对中环火盖428和内环火盖446处的燃气燃烧补充二次空气,和/或对外环火盖248内侧的燃气燃烧时补充二次空气,二次空气经二次空气补充通道50进入燃烧器100内部并向上流动,进而实现补充二次空气。二次空气进入燃烧器100的气体的流动方向如图中带箭头的虚线B所示。
如此,燃烧器100通过第一导气管22、第二导气管422和第三导气管
424分气,实现了三环火的燃烧器100,提高了燃烧器100的加热效率。
本发明实施方式的燃气灶具包括如上任一实施方式的燃烧器100。
本发明实施方式的燃气灶具中,三个腔室的结构可实现三环火的燃气灶具。底座10与第一腔体24间形成的一次空气补充通道30可吸入更多的一次空气进入燃气进气间12,保证第一腔室242、第二腔室426和第三腔室442的混合气体中的一次空气的含量充足,使燃气燃烧更充分,燃气灶具的火力更大。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,“多个”的含义是两个以上,除非另有明确具体的限定。
在本发明中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征
在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。
Claims (19)
- 一种燃烧器,其特征在于,包括:底座,所述底座内形成有燃气进气间,所述底座上设置有燃气进气通道,所述燃气进气通道连通所述燃气进气间;第一分气结构,所述第一分气结构包括第一导气管和第一腔体,所述第一导气管连接所述第一腔体,所述第一腔体间隔设置在所述底座上以形成一次空气补充通道,所述一次空气补充通道与所述燃气进气间连通,所述第一腔体开设有第一腔室,所述第一导气管连通所述第一腔室和所述燃气进气间,所述第一导气管伸入所述燃气进气间内;第二分气结构,所述第二分气结构包括第二腔体和第三腔体,所述第二腔体的底面间隔设置有第二导气管和第三导气管,所述第二导气管和所述第三导气管伸进所述燃气进气间内,所述第二腔体开设有第二腔室,所述第二导气管连通所述第二腔室和所述燃气进气间;第三腔体设置在所述第二腔室中,所述第三腔体开设有与所述第二腔室间隔的第三腔室,所述第三导气管连通所述第三腔室和所述燃气进气间。
- 根据权利要求1所述的燃烧器,其特征在于,所述第一腔体包括间隔的分气盘和连接盘,所述连接盘设置在所述底座上并与所述底座间隔以形成所述一次空气补充通道,所述分气盘设置在所述连接盘上并与所述连接盘间隔形成二次空气补充通道,所述第二腔体穿设所述分气盘并承载在所述连接盘上。
- 根据权利要求2所述的燃烧器,其特征在于,所述一次空气补充通道沿所述燃烧器的周向连续分布。
- 根据权利要求2所述的燃烧器,其特征在于,所述二次空气补充通道的进口沿所述燃烧器的周向连续分布。
- 根据权利要求2所述的燃烧器,其特征在于,所述分气盘的中间位置 开设有方形通孔,所述分气盘的外侧面呈圆形,所述第二腔体穿设所述方形通孔。
- 根据权利要求5所述的燃烧器,其特征在于,所述定位部包括导引部和承靠部,所述导引部连接所述承靠部,所述导引部用于导引所述第二分气结构的安装,所述导引部凸出所述第二腔体的外壁,且所述导引部凸出的高度由下到上逐渐增加,所述承靠部开设有与所述凸缘形状相匹配的槽位,所述承靠部通过所述槽位承靠在所述凸缘上。
- 根据权利要求5所述的燃烧器,其特征在于,所述连接盘的下表面的边缘向所述底座方向弯曲形成檐状结构。
- 根据权利要求5所述的燃烧器,其特征在于,所述分气盘的下表面边缘和所述连接盘的上表面边缘共同形成沿所述二次空气补充通道进气方向渐缩的结构。
- 根据权利要求1所述的燃烧器,其特征在于,所述第一腔室中设置有两个隔断件,所述两个隔断件将所述第一腔室隔开为两个子燃气腔室,所述第一导气管的数量为两个,其中一个所述子燃气腔室通过其中一个所述第一导气管与所述燃气进气间连通,另一个所述子燃气腔室通过另一个所述第一导气管与所述燃气进气间连通。
- 根据权利要求1所述的燃烧器,其特征在于,所述第二导气管在所述第二腔室的底面形成第一开口,所述第三导气管在所述第二腔室的底面形成与所述第一开口间隔的第二开口;所述第三腔室的底面开设有与所述第三腔室相通的通气孔,所述通气孔与所述第二开口连通;所述第三腔体的底面间隔覆盖在所述第一开口的上方且设置有隔开所述第一开口与所述第二开口的挡壁。
- 根据权利要求10所述的燃烧器,其特征在于,所述挡壁呈环形并向远离所述第三腔体的方向凸出,所述通气孔贯穿所述挡壁。
- 根据权利要求10所述的燃烧器,其特征在于,所述第二腔室的底面上开设有凹槽,所述凹槽围绕所述第二开口,所述凹槽和所述挡壁配合连接以隔开所述第一开口与所述第二开口。
- 根据权利要求10所述的燃烧器,其特征在于,所述通气孔的孔壁包括导流面,所述通气孔中设置有遮挡片,所述遮挡片和所述导流面相对间隔设置并与所述导流面共同形成用于导引气体进入所述第三腔室的导流通道。
- 根据权利要求13所述的燃烧器,其特征在于,所述导流通道沿所述通气孔的进气方向呈渐扩的形状。
- 根据权利要求13所述的燃烧器,其特征在于,所述导流面呈弧形,所述遮挡片包括顶面、底面和连接面,所述顶面和所述底面为平面,所述连接面连接所述顶面和所述底面,所述连接面呈弧形且与所述导流面形成所述导流通道。
- 根据权利要求13所述的燃烧器,其特征在于,所述第三腔室的底面和所述遮挡片的顶面处于同一平面。
- 根据权利要求13所述的燃烧器,其特征在于,所述遮挡片包括与所述通气孔的孔壁连接的遮挡片连接部,所述遮挡片连接部上开设有多个通孔,所述多个通孔连通所述通气孔和所述第三腔室。
- 根据权利要求13所述的燃烧器,其特征在于,所述第三腔体还包括固定部,所述固定部连接所述遮挡片和所述第三腔室的底面。
- 一种燃气灶具,其特征在于,包括权利要求1-18任一项所述的燃烧器。
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CN109556153B (zh) * | 2018-12-18 | 2023-12-29 | 成都前锋电子有限责任公司 | 一种方便清洗的触屏感应式灶具 |
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