Outer ring fire cover, fire cover assembly, burner and gas stove

Abstract

The utility model provides a kind of outer ring fire cover, fire cover assembly, combustor and gas stove.The outer ring fire cover includes outer ring fire cover body, outer ring fire cover body has outer ring gas mixing chamber, outer ring fire hole and fire transfer groove, and the both ends of outer ring fire hole are located the wall surface of outer ring gas mixing chamber and the outside of outer ring fire cover body respectively;Fire transfer groove is used to transmit flame in the inside of outer ring fire cover body to outer ring fire hole, and the upper end of fire transfer groove has opening;Outer ring fire cover further includes: the shielding member for shielding opening is located the upper of fire transfer groove, and shielding member and the upper surface of outer ring fire cover body are surrounded to form a fire transfer cavity;Fire transfer component is arranged on the inside of outer ring fire cover body and protrudes towards the direction of center axis of outer ring fire cover body, fire transfer component is equipped with fire transfer channel, fire transfer channel extends along the radial direction of outer ring fire cover body, and fire transfer channel is communicated with fire transfer groove.The specific structure of outer ring fire cover is set, the risk that ignition is blocked is avoided and it is conducive to the success of fire transmission.

Description

Technical Field

[0001] This utility model relates to an outer ring burner cap, a burner cap assembly, a burner, and a gas stove. Background Technology

[0002] In existing technologies, the ignition transmission structure of burners mainly involves the flame in the inner ring being transferred to the flame holes in the outer ring via a ignition transmission groove to ignite the outer ring flame. During the transmission process, since the inner and outer rings are independent structures, a ignition transmission groove is required for ignition transmission. The ignition transmission groove is usually directly formed on the upper surface of the outer ring flame cap.

[0003] However, during cooking, the overflow from the pot can clog the open heat transfer channels, causing poor heat transfer or even failure to transfer heat, which brings great inconvenience to users. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the above-mentioned defects of the prior art and provide an outer ring burner cap, a burner cap assembly, a burner and a gas stove.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] An outer ring flame cap, characterized in that it includes an outer ring flame cap body, the outer ring flame cap body having an outer ring mixing chamber, an outer ring flame hole, and a flame transfer groove, the outer ring mixing chamber being annular with its opening facing downwards, the two ends of the outer ring flame hole being located on the wall surface of the outer ring mixing chamber and the outer surface of the outer ring flame cap body respectively, the outer ring flame holes being spaced apart along the circumference of the outer ring flame cap body; the flame transfer groove is used to transfer the flame inside the outer ring flame cap body to the outer ring flame hole, the upper end of the flame transfer groove having an opening;

[0007] The outer ring fire cap also includes:

[0008] A shielding member is located above the flame transfer groove and is used to shield the opening. The shielding member and the upper surface of the outer ring flame cap body form a flame transfer cavity. The flame transfer cavity connects the outer side surface of the outer ring flame cap body and the inner side surface of the outer ring flame cap body.

[0009] A flame-transferring component is disposed on the inner side of the outer ring flame cap body and protrudes towards the central axis of the outer ring flame cap body. The flame-transferring component has a flame-transferring channel that extends radially along the outer ring flame cap body and is connected to the flame-transferring groove.

[0010] In this technical solution, by setting a shielding component to block the opening of the ignition channel, it is possible to prevent overflow liquid from entering the ignition channel through the opening and clogging it, thereby greatly reducing the risk of the ignition point being blocked. A ignition cavity is formed by the shielding component and the upper surface of the outer ring flame cap body, and this ignition cavity connects the outer side and the inner side of the outer ring flame cap body, thus providing a ignition cavity with a certain space that connects the inside and outside of the outer ring flame cap body. This allows for a more uniform mixing of gas and air, more complete combustion of the flame, and smoother ignition, thus contributing to successful ignition. By setting a ignition-transferring component located on the inner side of the outer ring burner body and protruding towards the central axis of the outer ring burner body, on the one hand, the ignition-transferring distance can be reduced, and on the other hand, a portion of high-temperature gas can be allowed to enter the ignition-transferring channel of the ignition-transferring component to preheat the gas in the ignition-transferring groove, making the flame in the ignition-transferring groove easier to ignite, thus making ignition smoother and contributing to successful ignition.

[0011] Preferably, the shielding member includes: a first sidewall and a second sidewall disposed opposite to each other along the circumference of the outer ring flame cap body, and a top wall connected between the first sidewall and the second sidewall, wherein the first sidewall, the top wall, the second sidewall and the upper surface of the outer ring flame cap body surround to form the flame transfer cavity.

[0012] In this technical solution, the above-described configuration provides a specific method for configuring the shielding component.

[0013] Preferably, the top wall has a plurality of turbulence grooves on its inner surface facing the flame transfer cavity. The plurality of turbulence grooves extend circumferentially along the outer ring flame cap body and are arranged at radial intervals along the outer ring flame cap body.

[0014] In this technical solution, by setting the specific structure of the turbulence groove, the airflow disturbance can be increased, making the gas and air mix more evenly, the flame combustion more complete, and the ignition transmission smoother, thus facilitating the success of ignition transmission.

[0015] Preferably, the connection surface between two adjacent turbulence channels is an arc-shaped surface.

[0016] In this technical solution, by setting the connecting surface between two adjacent turbulence channels to be an arc-shaped surface, it is more conducive to the smooth flow of air in the fire transmission cavity, thereby making it more conducive to airflow disturbance.

[0017] Preferably, the upper surface of the top wall is a plane; and / or,

[0018] The first sidewall and the second sidewall extend axially along the outer ring fire cap body and are parallel to each other.

[0019] In this technical solution, by setting the upper surface of the top wall to be a plane, obstruction to the bottom of the pot is avoided. By setting the first and second side walls to extend axially along the outer ring burner body and to be parallel to each other, the structure of the first and second side walls can be made more stable and provide better support for the top wall.

[0020] Preferably, along the circumference of the outer ring flame cap body, the size of the flame transmission channel is greater than or equal to the size of the flame transmission groove, and the size of the flame transmission component is less than or equal to the size of the flame transmission cavity.

[0021] In this technical solution, by controlling the relative dimensions of the fire transmission groove and the fire transmission channel, on the one hand, the fire transmission channel is not too small and thus affects the fire transmission, and on the other hand, the fire transmission channel is not too large and thus the fire transmission components are too large and occupy too much space.

[0022] A flame cap assembly is characterized in that it includes an outer ring flame cap as described above, and the flame cap assembly further includes an inner ring flame cap disposed inside the outer ring flame cap. The inner ring flame cap includes an inner ring flame cap body, the inner ring flame cap body having an inner ring mixing chamber and an inner ring flame hole, the two ends of the inner ring flame hole being located on the wall surface of the inner ring mixing chamber and the outer surface of the inner ring flame cap body, respectively.

[0023] Preferably, the projection of the ignition channel along the radial direction of the outer ring flame cap body at least partially overlaps with the inner ring flame hole; and / or,

[0024] Along the radial direction of the outer ring flame cap body, the length of the flame transfer component is 40%-60% of the distance between the inner side of the outer ring flame cap body and the outer side of the inner ring flame cap body.

[0025] In this technical solution, by setting the projection of the flame transmission channel along the radial direction of the outer ring flame cap body to at least partially overlap with the inner ring flame hole, the flame from the inner ring flame hole can enter the flame transmission channel more conveniently, thus facilitating the flame transmission. By setting the relationship between the length of the flame transmission component and the distance between the inner side of the outer ring flame cap body and the outer side of the inner ring flame cap body along the radial direction of the outer ring flame cap body, a better flame transmission effect can be achieved.

[0026] A burner characterized in that it includes a burner cap assembly as described above.

[0027] A gas stove characterized by including a burner as described above.

[0028] The positive and progressive effects of this utility model are as follows:

[0029] By installing a shielding component to block the opening of the ignition channel, overflow liquid can be prevented from entering the ignition channel and clogging it, thus greatly reducing the risk of the ignition point being blocked. A ignition cavity is formed by the shielding component and the upper surface of the outer ring burner body, connecting the outer and inner sides of the outer ring burner body. This creates a ignition cavity with sufficient space, allowing for more uniform mixing of gas and air, more complete combustion, and smoother ignition, thus contributing to successful ignition. Furthermore, the ignition component, located on the inner side of the outer ring burner body and protruding towards its central axis, reduces the ignition distance and allows some high-temperature gas to enter the ignition channel, preheating the gas in the ignition channel. This makes the flame in the ignition channel easier to ignite, further facilitating successful ignition. Attached Figure Description

[0030] Figure 1 This is a three-dimensional structural diagram of the outer ring flame cap of a preferred embodiment of the present invention.

[0031] Figure 2 This is a cross-sectional view of the outer ring flame cap of a preferred embodiment of the present invention.

[0032] Figure 3 for Figure 2 A magnified schematic diagram of part A in the middle.

[0033] Figure 4 for Figure 2 A magnified schematic diagram of part B in the middle section.

[0034] Figure 5 This is a partial three-dimensional structural schematic diagram (I) of the outer ring flame cap of a preferred embodiment of the present invention.

[0035] Figure 6 This is a partial three-dimensional structural schematic diagram (II) of the outer ring flame cap of a preferred embodiment of the present invention.

[0036] Figure 7 This is a partial three-dimensional structural diagram (III) of the outer ring flame cap of a preferred embodiment of the present invention.

[0037] Figure 8 This is a three-dimensional structural diagram of the flame cap assembly according to a preferred embodiment of the present invention.

[0038] Figure 9 This is a cross-sectional structural diagram of the flame cap assembly according to a preferred embodiment of the present invention.

[0039] Figure 10 This is a three-dimensional structural diagram of a burner according to a preferred embodiment of the present invention.

[0040] Explanation of reference numerals in the attached figures

[0041] Burner 100

[0042] Outer ring fire cap 1

[0043] Outer ring fire cap body 10

[0044] Outer ring mixing chamber 11

[0045] Outer ring fire hole 12

[0046] Fire transfer slot 13

[0047] Opening 131

[0048] 14 outer side of the outer ring flame cap body

[0049] 15 on the inner side of the outer ring flame cap body

[0050] Flying eaves structure 16

[0051] upper guide surface 161

[0052] Side guide surface 163

[0053] 164 flow guide channel

[0054] First inner wall 167

[0055] Second inner wall 168

[0056] 169 protrusions

[0057] Shielding part 20

[0058] 201 Flame Transfer Chamber

[0059] First side wall 21

[0060] Second side wall 22

[0061] Top Wall 23

[0062] 231 spoiler channel

[0063] Connection surface 232

[0064] 30 ignition components

[0065] Fire transmission channel 31

[0066] Inner ring fire cap 9

[0067] Inner ring mixing chamber 91

[0068] Inner ring fire hole 92

[0069] 94 on the outer side of the inner ring fire cap body Detailed Implementation

[0070] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0071] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0072] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0073] like Figures 1 to 3 ,as well as Figure 5 As shown, this embodiment provides an outer ring burner cap 1 for use in burners that use gas as fuel and in gas stoves.

[0074] The outer ring burner 1 includes an outer ring burner body 10, which is ring-shaped. The combustion gas flows to the outside through the outer ring burner body 10 and burns on the side of the outer ring burner body 10.

[0075] The outer ring burner body 10 has an outer ring mixing chamber 11, an outer ring flame hole 12, and a flame transfer groove 13. The outer ring mixing chamber 11 is annular with its opening 131 facing downwards. The two ends of the outer ring flame hole 12 are located on the wall of the outer ring mixing chamber 11 and the outer surface 14 of the outer ring burner body, respectively. Multiple outer ring flame holes 12 are spaced apart along the circumference O of the outer ring burner body 10. Combustion gas is introduced into the outer ring mixing chamber 11 and flows outwards through the outer ring flame hole 12. The flame transfer groove 13 is used to transfer the flame inside the outer ring burner body 10 to the outer ring flame hole 12, and the upper end of the flame transfer groove 13 has an opening 131.

[0076] The outer ring flame cap 1 also includes: a shielding component 20 and a flame-transmitting component 30.

[0077] The shielding member 20 is located above the flame transfer groove 13 and is used to shield the opening 131. The shielding member 20 and the upper surface of the outer ring flame cap body 10 form a flame transfer cavity 201, which connects the outer side 14 and the inner side 15 of the outer ring flame cap body.

[0078] The flame transfer component 30 is located on the inner side 15 of the outer ring flame cap body and protrudes towards the central axis p of the outer ring flame cap body 10. The flame transfer component 30 is provided with a flame transfer channel 31, which extends radially R along the outer ring flame cap body 10 and is connected to the flame transfer groove 13.

[0079] In this way, by setting the shielding member 20 to shield the opening 131 of the ignition channel 13, it is possible to prevent overflow liquid from entering the ignition channel 13 through the opening 131 and clogging the ignition channel 13, thereby greatly reducing the risk of the ignition point being blocked; by setting the shielding member 20 and the upper surface of the outer ring flame cap body 10 to form a ignition cavity 201, and the shielding member 20 and the upper surface of the outer ring flame cap body 10 to form a ignition cavity 201, the ignition cavity 201 connects the outer side 14 and the inner side 15 of the outer ring flame cap body, that is, to set a cavity that connects the inside and outside of the outer ring flame cap body 10 and has a certain The space-based ignition chamber 201 allows for a more uniform mixing of gas and air, more complete flame combustion, and smoother ignition transmission, thus contributing to successful ignition. By providing an ignition transmission component 30 located on the inner side 15 of the outer ring burner body and protruding towards the central axis p of the outer ring burner body 10, the ignition transmission distance can be reduced. Furthermore, a portion of the high-temperature gas can enter the ignition channel 31 of the ignition transmission component 30 to preheat the gas in the ignition groove 13, making the flame in the ignition groove 13 easier to ignite, thus facilitating smoother ignition and contributing to successful ignition.

[0080] Specifically, the shielding member 20 includes: a first sidewall 21 and a second sidewall 22 disposed opposite to each other along the circumferential direction O of the outer ring flame cap body 10, and a top wall 23 connected between the first sidewall 21 and the second sidewall 22. The first sidewall 21, the top wall 23, the second sidewall 22 and the upper surface of the outer ring flame cap body 10 surround to form a flame transfer cavity 201.

[0081] Preferably, the inner surface of the top wall 23 facing the ignition chamber 201 is provided with a plurality of turbulence grooves 231. The plurality of turbulence grooves 231 extend circumferentially O along the outer ring flame cap body 10 and are spaced apart radially R along the outer ring flame cap body 10. In this way, by setting the specific structure of the turbulence grooves 231, the airflow disturbance can be increased, making the mixture of gas and air more uniform, the flame combustion more complete, and the ignition more smoothly, thereby facilitating the success of ignition. Specifically, in this embodiment, the number of turbulence grooves 231 is nine, but it is not limited to this. In other embodiments, the number of turbulence grooves 231 can also be two, three, or other values ​​greater than or equal to two (or more).

[0082] Furthermore, the connecting surface 232 between two adjacent turbulence channels 231 is an arc-shaped surface. In this way, by setting the connecting surface 232 between two adjacent turbulence channels 231 to an arc-shaped surface, it is more conducive to the smooth flow of air in the fire transmission cavity 201, thereby making it more conducive to airflow disturbance.

[0083] The depth d3 of the turbulence groove 231 along the axial direction P of the outer ring flame cap body 10 is 0.8mm-1.2mm. In this way, by setting the range of the depth d3 of the turbulence groove 231, on the one hand, it avoids the turbulence groove 231 being too deep, which would require a thicker top wall 23 for support and cause the overall volume of the outer ring flame cap 1 to be too large; on the other hand, it avoids the turbulence groove 231 being too shallow, so as not to play a turbulence role.

[0084] The radial spacing d4 between two adjacent turbulence channels 231 is 1.8mm-2.2mm. The radial spacing d4 refers to the distance between the center positions of the two adjacent turbulence channels 231 along the radial direction R. By setting the range of values ​​for the radial spacing d4 between two adjacent turbulence channels 231, we can avoid the spacing being too large, thus failing to achieve the turbulence-disrupting effect; and also avoid the spacing being too small, thus creating excessive turbulence.

[0085] In this embodiment, the upper surface of the top wall 23 is a plane to avoid obstructing the bottom of the pot.

[0086] Along the axial direction P of the outer ring flame cap body 10, the upper surface of the top wall 23 extends above the upper surface of the outer ring flame cap body 10, and the extension dimension d5 is less than or equal to 4.5 mm. By setting the upper surface of the top wall 23 above the upper surface of the outer ring flame cap body 10, the flame transfer chamber 201 has a larger accommodating space. By limiting the extension dimension d5 of the top wall 23 above the upper surface of the outer ring flame cap body 10 to less than or equal to 4.5 mm, obstruction to the bottom of the pot is avoided. Preferably, the extension dimension d5 of the top wall 23 above the upper surface of the outer ring flame cap body 10 is greater than or equal to 3.5 mm and less than or equal to 4.5 mm.

[0087] The first sidewall 21 and the second sidewall 22 extend along the axial direction P of the outer ring flame cap body 10 and are parallel to each other. In this way, by setting the first sidewall 21 and the second sidewall 22 to extend along the axial direction P of the outer ring flame cap body 10 and be parallel to each other, the structure of the first sidewall 21 and the second sidewall 22 can be made more stable and provide better support for the top wall 23.

[0088] Along the circumference O of the outer ring flame cap body 10, the size of the flame transmission channel 31 is greater than or equal to the size of the flame transmission groove 13, and the size of the flame transmission component 30 is less than or equal to the size of the flame transmission cavity 201. Since the flame transmission channel 31 is located within the flame transmission component 30, if the size of the flame transmission component 30 is less than or equal to the size of the flame transmission cavity 201, the size of the flame transmission channel 31 must also be less than or equal to the size of the flame transmission cavity 201. Thus, by controlling the relative sizes of the flame transmission groove 13 and the flame transmission channel 31, on the one hand, it is avoided that the flame transmission channel 31 is too small and affects flame transmission; on the other hand, it is avoided that the flame transmission channel 31 is too large and causes the flame transmission component 30 to be too large, resulting in excessive space occupation. Preferably, along the circumference O of the outer ring flame cap body 10, the size of the flame transmission channel 31 is 1-1.15 times the size of the flame transmission groove 13.

[0089] like Figure 4 and Figure 6 As shown, the upper edge of the outer ring flame cap body 10 is a flying eave structure 16. In the radial direction R of the outer ring flame cap body 10, the end of the flying eave structure 16 protrudes from the outer ring flame hole 12. The flying eave structure 16 includes an upper guide surface 161 and a side guide surface 163. The direction from the inner side surface 15 of the outer ring flame cap body to the outer side surface 14 of the outer ring flame cap body is a preset direction Q.

[0090] The upper guide surface 161 extends upward gradually along the preset direction Q, and one end near the central axis p of the outer ring flame cap body 10 is connected to the upper surface of the outer ring flame cap body 10.

[0091] The side guide surface 163 extends gradually upward along the preset direction Q, and one end near the central axis p of the outer ring flame cap body 10 is connected to the outer side surface 14 of the outer ring flame cap body. The upper end of the side guide surface 163 forms an acute angle with the upper end of the upper guide surface 161, and the end of the side guide surface 163 protrudes out of the outer ring flame hole 12. The side guide surface 163 is provided with a guide groove 164 that is recessed in the direction near the central axis p of the outer ring flame cap body 10. The guide groove 164 extends along the circumferential direction O.

[0092] In this way, by setting the upper edge of the outer ring burner body 10 as an eave structure 16, the eave structure 16 is a shape that curves upward at the edge; on the radial R of the outer ring burner body 10, the eave structure 16 protrudes from the outer ring burner hole 12, so on the one hand, the eave structure 16 blocks some of the overflow from falling directly onto the outer ring burner hole 12, and on the other hand, the edge of the eave structure 16 diverts the overflow, so that some of the overflow flows along the eave structure 16 to the upper surface of the outer ring burner body 10, and the other part of the overflow flows downward along the side of the eave structure 16; in addition, the eave structure 16 has the effect of collecting smoke, reducing the escape velocity of the smoke, increasing the residence time of the smoke, so that the heat of the smoke is greatly absorbed by the bottom of the pot, thereby improving the energy efficiency of the burner. Furthermore, by providing a guide groove 164 on the side guide surface 163 of the eaves structure 16, overflow liquid that directly spills onto the outer surface 14 of the outer ring burner body can be accommodated, prolonging the time the overflow liquid stays on the outer surface 14 of the outer ring burner body, allowing some of the overflow liquid to evaporate, thereby preventing excessive overflow liquid from accumulating and flowing into the outer ring burner holes 12 and dissipating into the interior of other structures of the burner, causing difficulty in cleaning or even corrosion over time; in addition, the guide groove 164 makes the airflow of flue gas more turbulent when it flows close to the upper surface of the outer ring burner body 10, thereby increasing the residence time, and the heat of the flue gas is greatly absorbed by the bottom of the pot, improving energy efficiency. In summary, the outer ring flame cap 1 of this utility model embodiment, by setting the eaves structure 16 and the guide groove 164, blocks the overflow liquid from flowing to the outer ring flame hole 12, prevents the outer ring flame hole 12 from being blocked, gathers the smoke and disrupts the flow direction of the smoke, and increases the residence time of the smoke, thereby improving energy efficiency while preventing the outer ring flame hole 12 from being blocked.

[0093] Preferably, there are multiple guide channels 164, which are spaced apart along the axial direction P of the outer ring flame cap body 10. This arrangement of multiple guide channels 164 spaced apart along the axial direction P of the outer ring flame cap body 10 further prevents overflow from flowing into the outer ring flame hole 12 and reduces turbulence. In this embodiment, there are two guide channels 164, but this is not a limitation. In other embodiments, the number of guide channels 164 may be three, four, or other values ​​greater than or equal to two.

[0094] The flow guide 164 includes a first inner wall 167 and a second inner wall 168 connected to each other. The first inner wall 167 is located at the end near the side guide surface 163 and gradually extends upward along a predetermined direction Q. The included angle α formed by the first inner wall 167 and the second inner wall 168 is an acute angle. In this way, by setting the specific structure of the first inner wall 167 and the second inner wall 168 forming the flow guide 164, on the one hand, more overflow liquid can stay in the flow guide 164; on the other hand, when the overflow liquid flows out of the flow guide 164 along the second inner wall 168, it will flow away from the outer ring flame hole 12, thereby better preventing the overflow liquid from flowing towards the outer ring flame hole 12.

[0095] Preferably, the included angle α formed by the first inner wall 167 and the second inner wall 168 is 60 degrees to 80 degrees. By setting the included angle α between the first inner wall 167 and the second inner wall 168 to 60 degrees to 80 degrees, on the one hand, more overflow liquid can be retained in the guide channel 164; on the other hand, when the overflow liquid flows out of the guide channel 164 along the second inner wall 168, it will flow further away from the outer ring flame hole 12, thereby better preventing the overflow liquid from flowing towards the outer ring flame hole 12.

[0096] Preferably, the first inner wall 167 is parallel to the upper guide surface 161. In this way, by setting the first inner wall 167 to be parallel to the upper guide surface 161, the flow direction of the overflow can be better controlled.

[0097] The slope of the first inner wall 167 along the preset direction Q is constant or gradually increases. In this way, by setting the slope of the first inner wall 167 along the preset direction Q to be constant or gradually increasing, that is, the slope of the first inner wall 167 along the preset direction Q is a constant value, so that the overflow flows smoothly downwards at an angle; the slope of the first inner wall 167 along the preset direction Q gradually increases, that is, the first inner wall 167 slightly protrudes outwards from the outer side of the outer ring flame cap body 10, so as to obtain a better guiding effect.

[0098] In this embodiment, a protrusion 169 protruding away from the first inner wall 167 is provided on the first inner wall 167, and the protrusion 169 extends circumferentially O. Thus, by providing the protrusion 169 protruding away from the first inner wall 167 on the first inner wall 167, and the protrusion 169 extending circumferentially O, it can, on the one hand, prevent overflow from flowing towards the outer ring flame hole 12; on the other hand, it can cause the overflow to collect into water droplets at the protrusion 169, which then drip directly onto the original location of the outer ring flame hole 12, thereby preventing the overflow from clogging the outer ring flame hole 12. Preferably, the surface of the protrusion 169 is an arc surface, which allows the overflow to flow more smoothly along the surface of the protrusion 169.

[0099] Preferably, the slope of the upper guide surface 161 along the preset direction Q is constant or gradually increases. In this way, the slope of the upper guide surface 161 along the preset direction Q can be a constant value, so that the overflow flows smoothly; the slope of the upper guide surface 161 along the preset direction Q gradually increases, that is, the upper guide surface 161 is slightly concave to the outside of the outer ring flame cap body 10, thereby obtaining a better smoke collection effect and preventing the overflow directly falling on the upper guide surface 161 from splashing outward.

[0100] The slope of the side guide surface 163 along the preset direction Q is constant or gradually increases. In this way, the slope of the side guide surface 163 along the preset direction Q is constant, so that the overflow flows smoothly downwards; the slope of the side guide surface 163 along the preset direction Q gradually increases, that is, the side guide surface 163 protrudes slightly outwards from the outer side of the outer ring flame cap body 10 to obtain a better guiding effect.

[0101] Better, such as Figure 7 As shown, the eaves structure 16 and the guide channel 164 are disconnected at the opening 131 of the fire transmission channel 13 to avoid affecting the opening 131 of the fire transmission channel 13.

[0102] like Figure 8 and Figure 9 As shown, this embodiment also provides a flame cap assembly, which includes an outer ring flame cap 1 as described above, and an inner ring flame cap 9, which is disposed inside the outer ring flame cap 1. The inner ring flame cap 9 can be coaxially arranged with the outer ring flame cap 1 and is located at the center of the outer ring flame cap 1.

[0103] The inner ring burner cap 9 includes an inner ring burner cap body, which has an inner ring mixing chamber 91 and an inner ring burner hole 92. The two ends of the inner ring burner hole 92 are located on the wall of the inner ring mixing chamber 91 and the outer surface 94 of the inner ring burner cap body, respectively.

[0104] Preferably, the projection of the flame transmission channel 31 along the radial direction R of the outer ring flame cap body 10 at least partially overlaps with the inner ring flame hole 92. In this way, by setting the projection of the flame transmission channel 31 along the radial direction R of the outer ring flame cap body 10 to at least partially overlap with the inner ring flame hole 92, the flame from the inner ring flame hole 92 can more easily enter the flame transmission channel 31, thereby facilitating the flame transmission.

[0105] Preferably, along the radial direction R of the outer ring flame cap body 10, the length d1 of the flame-transferring component 30 is 40%-60% of the distance d2 between the inner side surface 15 of the outer ring flame cap body and the outer side surface 94 of the inner ring flame cap body. In this way, by setting the relationship between the length d1 of the flame-transferring component 30 and the distance d2 between the inner side surface 15 of the outer ring flame cap body and the outer side surface 94 of the inner ring flame cap body along the radial direction R of the outer ring flame cap body 10, a better flame-transferring effect can be achieved.

[0106] like Figure 10 As shown, this embodiment also provides a burner 100, which includes the burner cap assembly as described above. The burner 100 also includes a burner cap base, which forms relatively independent gas delivery channels with the inner ring burner cap 9 and the outer ring burner cap 1, respectively. The gas is delivered into the inner ring mixing chamber 91 or the outer ring mixing chamber 11 through the gas delivery channels.

[0107] This embodiment also provides a gas stove, which may include the burner 100 as described above.

[0108] The gas stove in this embodiment can be controlled by a voice module, which is equipped with a controller, a voice receiving module, and a voice parsing module. The voice receiving module receives user commands, and the voice parsing module parses the commands. Based on the parsed commands, the controller controls the gas stove to perform corresponding operations, thereby realizing intelligent control of the gas stove and improving the user experience.

[0109] In this embodiment, by providing a shielding member 20 to shield the opening 131 of the ignition channel 13, it is possible to prevent overflow liquid from entering the ignition channel 13 through the opening 131 and clogging the ignition channel 13, thereby greatly reducing the risk of the ignition point being blocked. A ignition cavity 201 is formed by the shielding member 20 and the upper surface of the outer ring flame cap body 10, and the ignition cavity 201 connects the outer side 14 and the inner side 15 of the outer ring flame cap body, that is, a cavity is provided that connects the inside and outside of the outer ring flame cap body 10 and has a... The fixed-space ignition chamber 201 allows for more uniform mixing of gas and air, more complete combustion of the flame, and smoother ignition, thus contributing to successful ignition. By providing an ignition component 30 located on the inner side 15 of the outer ring burner body and protruding towards the central axis p of the outer ring burner body 10, the ignition distance can be reduced. Furthermore, a portion of the high-temperature gas can enter the ignition channel 31 of the ignition component 30 to preheat the gas in the ignition groove 13, making the flame in the ignition groove 13 easier to ignite, thus facilitating smoother ignition and contributing to successful ignition.

[0110] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. An outer ring flame cap, characterized in that, It includes an outer ring flame cap body, which has an outer ring mixing chamber, an outer ring flame hole, and a flame transfer groove. The outer ring mixing chamber is annular and its opening faces downward. The two ends of the outer ring flame hole are located on the wall of the outer ring mixing chamber and the outer side of the outer ring flame cap body, respectively. The outer ring flame holes are spaced apart along the circumference of the outer ring flame cap body. The flame transfer groove is used to transfer the flame inside the outer ring flame cap body to the outer ring flame hole. The upper end of the flame transfer groove has an opening. The outer ring fire cap also includes: A shielding member is located above the flame transfer groove and is used to shield the opening. The shielding member and the upper surface of the outer ring flame cap body form a flame transfer cavity. The flame transfer cavity connects the outer side surface of the outer ring flame cap body and the inner side surface of the outer ring flame cap body. A flame-transferring component is disposed on the inner side of the outer ring flame cap body and protrudes towards the central axis of the outer ring flame cap body. The flame-transferring component has a flame-transferring channel that extends radially along the outer ring flame cap body and is connected to the flame-transferring groove.

2. The outer ring flame cap as described in claim 1, characterized in that, The shielding member includes: a first sidewall and a second sidewall arranged circumferentially opposite to each other along the outer ring flame cap body, and a top wall connected between the first sidewall and the second sidewall, wherein the first sidewall, the top wall, the second sidewall and the upper surface of the outer ring flame cap body surround to form the flame transfer cavity.

3. The outer ring flame cap as described in claim 2, characterized in that, The top wall has multiple turbulence grooves on its inner surface facing the ignition cavity. These grooves extend circumferentially along the outer ring flame cap body and are spaced apart radially along the outer ring flame cap body.

4. The outer ring flame cap as described in claim 3, characterized in that, The connection surface between two adjacent turbulence channels is an arc-shaped surface.

5. The outer ring flame cap as described in claim 2, characterized in that, The upper surface of the top wall is a plane; and / or, The first sidewall and the second sidewall extend axially along the outer ring fire cap body and are parallel to each other.

6. The outer ring flame cap as described in claim 1, characterized in that, Along the circumference of the outer ring flame cap body, the size of the flame transmission channel is greater than or equal to the size of the flame transmission groove, and the size of the flame transmission component is less than or equal to the size of the flame transmission cavity.

7. A flame cap assembly, characterized in that, It includes an outer ring flame cap as described in any one of claims 1-6, and the flame cap assembly further includes an inner ring flame cap, the inner ring flame cap being disposed inside the outer ring flame cap, the inner ring flame cap including an inner ring flame cap body, the inner ring flame cap body having an inner ring mixing chamber and an inner ring flame hole, the two ends of the inner ring flame hole being located on the wall surface of the inner ring mixing chamber and the outer surface of the inner ring flame cap body, respectively.

8. The flame cap assembly as described in claim 7, characterized in that, The projection of the ignition channel along the radial direction of the outer ring flame cap body at least partially overlaps with the inner ring flame hole; and / or, Along the radial direction of the outer ring flame cap body, the length of the flame transfer component is 40%-60% of the distance between the inner side of the outer ring flame cap body and the outer side of the inner ring flame cap body.

9. A burner, characterized in that, Includes the flame cap assembly as described in claim 7 or 8.

10. A gas stove, characterized in that, Includes the burner as described in claim 9.

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