Burner and hob comprising same

Abstract

The utility model belongs to kitchen electrical equipment technical field, specifically provides burner and the stove including it, the burner among them includes the fire cover subassembly, the fire cover subassembly forms outer ring mixed gas cavity group and inner ring mixed gas cavity, outer ring mixed gas cavity group includes two outer ring mixed gas cavities, wherein, the fire cover subassembly includes outer ring area and inner ring area, the inner ring mixed gas cavity is formed in the inner ring area, the outer ring area includes first ring area and second ring area located in the radial inner side of first ring area, one of two outer ring mixed gas cavities is formed in first ring area, another of two outer ring mixed gas cavities is formed in second ring area. Through such constitution, through the two outer ring mixed gas cavities in outer ring mixed gas cavity group are placed in the outer ring area including double ring structure, it is hopeful that more abundant flame shape is produced through the combination of multiple outer ring mixed gas cavities.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, specifically to a burner and a stove containing the burner. Background Technology

[0002] A cooktop typically includes one or more burners (such as two or three), which provide heat to a pot placed on it, enabling cooking methods such as stewing, stir-frying, and deep-frying. The burner is equipped with a gas supply assembly, which primarily supplies gas to the burner. Specifically, after the gas supply assembly delivers gas to the nozzle, the nozzle injects the gas into the injection channel, allowing the gas to mix with air. The ignition point on the burner then ignites this gas-air mixture, producing a flame that provides heat to the pot. The gas supply assembly usually includes control valves, such as proportional valves, to adjust the burner's on / off status and heat level.

[0003] Currently, cooktops typically employ a two-ring burner design, but the outer ring burner produces a relatively limited range of flame patterns. There is still room for improvement in cooktop design to enable the burner to generate a wider variety of flame patterns to better suit users' cooking needs. Utility Model Content

[0004] The present invention aims to solve at least part of the above-mentioned technical problems and / or solve at least part of the above-mentioned technical problems, specifically, how to enable the burner of the stove to produce richer flame patterns.

[0005] In a first aspect, the present invention provides a burner comprising a burner cap assembly having an outer annular mixing chamber group and an inner annular mixing chamber, the outer annular mixing chamber group comprising two outer annular mixing chambers; wherein the burner cap assembly comprises an outer annular region and an inner annular region, the inner annular mixing chamber being formed in the inner annular region, the outer annular region comprising a first annular region and a second annular region located radially inside the first annular region, one of the two outer annular mixing chambers being formed in the first annular region, and the other of the two outer annular mixing chambers being formed in the second annular region.

[0006] With this configuration, by placing the two outer ring mixing chambers in the outer ring mixing chamber group separately in the outer ring area including the double ring structure, it is expected that a richer flame pattern can be generated by combining multiple outer ring mixing chambers.

[0007] It is understood that those skilled in the art can determine the specifications (such as radial width, depth, etc.) and relative positions of the first / second ring regions according to actual needs. For example, the first / second ring regions may be structures that directly divide the outer ring region into two via structures such as a gas separator ring, thereby making the two closely spaced, or the first / second ring regions may be two independent ring regions with a radial gap between them (such as providing a spacer ring region without a mixing chamber).

[0008] It is understood that those skilled in the art can determine the specific layout of the two outer ring mixing chambers in the first / second ring region according to actual needs. For example, the structural form and relative position of the two outer ring mixing chambers located in the first / second ring region can be flexibly selected. The two outer ring mixing chambers can be set in all or part of the first / second ring region. In the case where they are both set in a local region, the two outer ring mixing chambers can be roughly aligned or staggered in the circumferential direction. For example, staggered distribution can include, but is not limited to, the two outer ring mixing chambers overlapping in the circumferential direction (e.g., their projections on the side wall of the flame cap assembly are roughly aligned, one completely covering the other), partially overlapping, or completely offset in the circumferential direction.

[0009] In one possible implementation of the burner described above, the burner cap assembly includes a gas distribution structure, and the outer annular region is divided by the gas distribution structure to form a first annular region and a second annular region.

[0010] This configuration provides a possible way for the first / second ring region to be formed.

[0011] It should be understood that the gas distribution structure is roughly a ring structure. However, the radial thickness, circumferential height, and local fine structures of the ring structure can be flexibly selected according to actual needs. For example, the thickness of different parts along the circumference can be different. It can be a circular ring or a ring-like structure. For example, the ring can be machined with facets, serrations, or other structures in some parts.

[0012] In one possible implementation of the above-mentioned burner, the burner cap assembly includes: a burner cap seat; and a burner cap, which includes: a first burner cap forming the outer annular mixing chamber assembly with the burner cap seat; and a second burner cap forming the inner annular mixing chamber with the burner cap seat; wherein the first burner cap and the second burner cap are provided with flame outlet structures.

[0013] With this configuration, it is possible to generate a wider variety of flame patterns in the burner by combining two outer ring mixing chambers and one inner ring mixing chamber.

[0014] In one possible implementation of the burner described above, the burner cap assembly includes: the flame outlet structure being provided on all or part of the circumferential region of the first burner cap and / or the second burner cap; and / or the flame outlet structures corresponding to different parts of the circumferential region of the first burner cap and / or the second burner cap are the same or different.

[0015] This configuration allows for the creation of more diverse flame patterns. For example, for one ring of fire, a half-ring is a small-hole direct fire, and a half-ring is a large-hole direct fire or a ring-seam fire; for the outer ring area, a half-ring includes three rings of fire, and a half-ring includes two rings of fire.

[0016] In one possible implementation of the above-mentioned burner, the burner includes a burner head assembly, the burner head assembly comprising: a burner head having a nozzle mounting area; a nozzle group disposed on the burner head and including two first nozzles corresponding to the outer annular mixing chamber group and a second nozzle corresponding to the inner annular mixing chamber; and an air intake channel group disposed on the burner head and including two outer annular air intake channels corresponding to the two first nozzles and an inner annular air intake channel corresponding to the second nozzle; wherein at least a portion of the first nozzles and the second nozzles are centrally disposed.

[0017] This design allows for an increase in the compactness of the burner assembly. In one possible implementation of the burner described above, one of the two first nozzles is arranged in conjunction with the second nozzle.

[0018] In one possible implementation of the burner described above, the axes of the first nozzle and the second nozzle, which are centrally located, are parallel; and / or the gas injection directions of the two first nozzles are opposite.

[0019] It should be noted that since the gas ejected from the nozzle actually has multiple (approximate) directions, the injection direction can be understood as comparing two directions when they are combined into a general direction. For example, the gas injection direction corresponding to the axis position is used to describe the gas injection direction of the two first nozzles (axis with direction). For example, the axes of the two first nozzles can lie in the same plane or different planes.

[0020] This configuration provides a possible structural form between the two first nozzles.

[0021] In one possible implementation of the burner described above, the axes of the two first nozzles are coplanar; and / or the outer annular air intake channels of the two first nozzles are perpendicular to each other.

[0022] This configuration provides a way to separate the two first nozzles on the burner head.

[0023] In one possible implementation of the burner described above, the burner assembly includes a burner seat, on which are provided two first ejector channels through which gas can reach a corresponding outer ring mixing chamber via a first nozzle and a corresponding first ejector channel; and a second ejector channel through which gas can reach an inner ring mixing chamber via a second nozzle and a second ejector channel; wherein the communication positions of the two first ejector channels and the corresponding outer ring mixing chamber are spaced apart circumferentially along the outer ring region.

[0024] In a second aspect, the present invention provides a stove that includes the burner described in any of the preceding claims.

[0025] It is understood that this stove has all the technical effects of the burner described in any of the foregoing items, and will not be repeated here. As the stove includes an outer ring gas path assembly and an inner ring gas path, the outer ring gas path assembly includes two outer ring mixing chambers corresponding to each other. Gas can reach the corresponding outer ring mixing chamber via the outer ring gas path, and gas can reach the inner ring mixing chamber via the inner ring gas path. Attached Figure Description

[0026] The present invention will now be described with reference to the accompanying drawings and the fact that both outer annular mixing chambers are complete circular cavities. In the drawings:

[0027] Figure 1 This diagram illustrates the structure (three-dimensional) of a burner according to an embodiment of the present invention. Figure 1 ;

[0028] Figure 2 This diagram illustrates the structure (explosion) of a burner according to an embodiment of the present invention. Figure 2 ;

[0029] Figure 3 This diagram shows the structure (front view) of a burner according to an embodiment of the present invention. Figure 3 ;

[0030] Figure 4 This diagram shows an exploded view of the burner head assembly and burner cap seat in a burner according to an embodiment of the present invention.

[0031] Figure 5 This invention provides a schematic diagram of the structure of the burner cap assembly in a burner according to an embodiment of the present invention; and

[0032] Figure 6 This diagram shows a schematic representation of the burner head assembly of an embodiment of the present invention.

[0033] List of reference numerals in the attached diagram:

[0034] 100. Burner;

[0035] 1. Flame cap assembly;

[0036] 11. Fire cover seat;

[0037] 101. Outer Ring Area; 1011. First Ring Area; 1012. Second Ring Area; 1013. Gas Distribution Structure;

[0038] 102. Inner Ring Road Area;

[0039] 121. First flame cap; 122. Second flame cap;

[0040] 13. Flame-out structure;

[0041] 141. First ejection channel; 142. Second ejection channel;

[0042] 151(a, b), outer ring mixing chamber; 152, inner ring mixing chamber;

[0043] 2. Burner assembly;

[0044] 21. Stove head;

[0045] 211. Nozzle installation area;

[0046] 221. First nozzle; 222. Second nozzle;

[0047] 231. Outer ring air intake passage;

[0048] 232. Inner ring air intake passage;

[0049] 24. Ignition needle;

[0050] 25. Thermocouple;

[0051] 200. Gas circuit components;

[0052] 201. Outer ring gas path; 202. Inner ring gas path. Detailed Implementation

[0053] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0054] It should be noted that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0055] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0056] Furthermore, to better illustrate this utility model, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this utility model can be implemented even without certain specific details. In some examples, the principles of burners, which are well-known to those skilled in the art, are not described in detail in order to highlight the main points of this utility model.

[0057] The following will refer to Figures 1 to 6 This utility model is described by at least a portion thereof.

[0058] Main reference Figures 1 to 6In one possible implementation, the stove mainly includes a burner 100 and a gas circuit assembly 200. Typically, one or more burners are provided on the stove surface. In the case of multiple burners, the operating parameters such as the on / off state and firepower of each burner can be controlled independently, allowing multiple burners to cook the same / different ingredients of the same / different types simultaneously. The burner 100 includes a burner cap assembly 1 and a burner head assembly 2. The gas path assembly 200 includes an outer ring gas path 201 and an inner ring gas path 202. The burner cap assembly 1 is disposed on the burner head assembly 2, and the gas path assembly 200 can be connected to the burner head assembly 2. Based on this, after the gas reaches the burner head assembly 2 through the outer / inner ring gas path of the gas path assembly 200, it reaches the mixing chamber (including an outer ring mixing chamber and an inner ring mixing chamber 152) through the ejector channels (including a first ejector channel 141 and a second ejector channel 142) of the burner cap assembly 1. The burner 100 is provided with an ignition needle 24 (ignition function) and a thermocouple 25 (flameout protection function). By controlling the ignition of the ignition needle 24, the gas mixture of gas and air in the mixing chamber can be burned. The burner cap assembly 1 has flame outlet structures 13, such as flame outlet holes and flame outlet slits, at a position corresponding to the mixing chamber. The flame generated in the mixing chamber is released through the flame outlet structures 13, thus providing the cookware placed on the burner with the heat required for cooking. The gas circuit assembly 200 typically includes a main on / off valve, an on / off valve, and a proportional valve (or motor valve). The main on / off valve is usually located on the main gas line of the gas circuit assembly and is mainly used to control the gas flow of the entire gas circuit. The on / off valve is mainly used to control the gas flow of a specific gas line. The proportional valve is mainly used to adjust the gas flow of the corresponding gas line, thereby adjusting the burner's flame intensity. The motor valve has the same function as the proportional valve, but it uses a motor to control the gas flow of the corresponding gas line, thereby adjusting the burner's flame intensity. The following description uses a burner of a stove as an example, combining its structure and the gas circuit assembly configured thereon to illustrate this invention.

[0059] In one possible implementation, the burner assembly 1 includes a burner seat 11 and a burner, wherein the burner seat includes an outer ring region 101 and an inner ring region 102 located radially inside the outer ring region, and the burner includes a first burner 121 (which may be referred to as an outer ring burner) and a second burner 122 (which may be referred to as an inner ring burner), the first burner 121 and the second burner 122 being respectively disposed at positions corresponding to the outer ring region and the inner ring region of the burner assembly. Based on this, the outer ring burner and the first burner seat are engaged at the position corresponding to the outer ring region to form an outer ring mixing chamber assembly including two outer ring mixing chambers, and the inner ring burner and the second burner seat are engaged at the position corresponding to the inner ring region to form an inner ring mixing chamber 152.

[0060] In one possible implementation, the gas path assembly 200 includes an outer ring gas path group and an inner ring gas path 202. The outer ring gas path group includes two outer ring gas paths 201 capable of supplying gas to the mixing chamber corresponding to the outer ring region, and the inner ring gas path capable of supplying gas to the mixing chamber corresponding to the inner ring region. In this example, the gas supply direction of the outer ring gas path 201 and the inner ring gas path 202 is shown only in dashed lines.

[0061] In one possible implementation, the mixing chamber includes an outer ring mixing chamber group and an inner ring mixing chamber 152. The two outer ring mixing chambers of the outer ring mixing chamber group are respectively referred to as outer ring mixing chamber 151(a) and outer ring mixing chamber 151(b). The aforementioned two outer ring gas paths can supply fuel gas to the two outer ring mixing chambers in a one-to-one, relatively independent manner. The inner ring gas path can supply fuel gas to the inner ring mixing chamber. The outer ring region 101 includes a first ring region 1011 (which may be referred to as the outer ring) and a second ring region 1012 (which may be referred to as the middle ring) located radially inside the first ring region. The outer ring region is radially divided into an outer first ring region and an inner second ring region via a generally annular gas distribution structure 1013. The outer ring mixing chambers 151(a) and 151(b) are respectively located in the outer ring and middle ring.

[0062] In one possible implementation, flame outlet structures 16, such as flame outlet holes and flame outlet slits, can be provided at the top, near the top, and sides of the inner / outer ring burner cap to enable the burner to form flame patterns such as direct flame and ring-slit flame. For example, in this example, the inner ring burner cap has flame outlet structures on the radially outer side and radially inner side near the top, while the outer ring burner cap has flame outlet structures at the top and radially inner side near the top. Obviously, those skilled in the art can flexibly adjust the structural form, specifications (such as slit width, aperture, etc.), distribution position / density, etc., of the flame outlet structures according to actual needs. For example, the shape / aperture and specifications of different flame outlet holes can be the same or different, the flame outlet structures in different parts along the circumference can be the same or different, and the flame outlet structures corresponding to different parts of the outer / inner ring area can be the same or different. For example, in a certain ring fire of the outer ring area, part is a ring-seam fire and the other part is a direct fire; in a certain ring fire of the outer ring area, only a flame outlet structure is provided in a local area in the circumferential direction (such as an arc-shaped area); a certain part of the outer ring area includes three rings (arcs) of fire distributed radially, and another part of the outer ring area (such as a part near the user) includes two rings (arcs) of fire.

[0063] In one possible implementation, the burner assembly 2 includes a burner 21 and a nozzle group disposed on the burner 21. In this embodiment, the nozzle group includes two first nozzles 221 (which may be referred to as the first nozzle group) corresponding to the two outer ring gas paths in the outer ring gas path group, and a second nozzle 222 corresponding to the inner ring gas path. The burner 21 is provided with an air intake channel group, which includes an outer ring air intake channel group and an inner ring air intake channel 232. The outer ring air intake channel group includes two outer ring air intake channels 231 corresponding to the two outer ring gas paths in the outer ring gas path group. Based on this, the gas can reach the corresponding first nozzle 221 via the outer ring gas path and the outer ring air intake channel in the outer ring gas path group, and the gas can reach the second nozzle 222 via the inner ring gas path and the inner ring air intake channel.

[0064] In one possible implementation, the burner head 21 is provided with a nozzle mounting area 211, and at least a portion of the first nozzle 221 and the second nozzle 222 are concentrated in the nozzle mounting area of ​​the burner head. In this example, the nozzle mounting area is generally a plane, with one of the two first nozzles concentrated with the second nozzle. Exemplarily, the main body of the nozzle mounting area is generally circular, with two sub-regions at approximately both ends of a diameter. One of the two sub-regions has two nozzles (one first nozzle and one second nozzle), and the other has one first nozzle. Obviously, those skilled in the art can determine the structural form of the nozzle mounting area and the distribution of nozzles thereon according to actual needs; for example, the nozzle mounting area can be a conical surface sloping downwards from the center to the outer edge.

[0065] In one possible implementation, the axes of the three nozzles are substantially parallel and coplanar, wherein the gas injection directions of the centrally located first nozzle 221 and second nozzle 222 are substantially the same and substantially opposite to the gas injection direction of the other first nozzle 221. The outer annular air intake passages corresponding to the centrally located first nozzles 221 and 222 are substantially parallel to the inner annular air intake passages, while the outer annular air intake passage corresponding to the other first nozzle 221 is substantially perpendicular to it. Corresponding to the separate placement of the two first nozzles, the air intake positions (air intake positions of the two first ejector channels) of the two first nozzles in the outer annular region are spaced apart.

[0066] Obviously, the specific distribution of the nozzles / intake channels on the burner head described above is only an exemplary description. Those skilled in the art can determine the setting position / direction of the nozzles / intake channels on the burner head, the relative position between different nozzles / intake channels, etc., according to actual needs. For example, the gas injection direction of the first and second nozzles set in a concentrated manner has an included angle, only the axes of the two first nozzles are coplanar, etc., and the direction of the intake channel is adjusted according to the outer ring / inner ring gas path, etc.

[0067] It can be seen that, in the preferred embodiment of the utility model, based on the stove having two outer ring gas passages and one inner ring gas passage, by making corresponding arrangements to the burner cap assembly and burner head assembly, it is expected that the burner can produce a richer variety of flame states while ensuring flame quality. For example, by differentially controlling multiple outer ring mixing chambers, various flame patterns such as low flame, high-efficiency high flame, multi-ring uniform flame, and outer ring flame can be formed. For example, by differentially setting the flame outlet structure of the two outer ring mixing chambers, the burner can produce a richer variety of flame patterns corresponding to the outer ring area.

[0068] The technical solution of this utility model has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A burner, characterized in that, The burner includes a flame cap assembly, which forms an outer ring mixing chamber group and an inner ring mixing chamber, and the outer ring mixing chamber group includes two outer ring mixing chambers. The flame cap assembly includes an outer ring region and an inner ring region. The inner ring mixing chamber is formed in the inner ring region. The outer ring region includes a first ring region and a second ring region located radially inside the first ring region. One of the two outer ring mixing chambers is formed in the first ring region, and the other of the two outer ring mixing chambers is formed in the second ring region.

2. The burner according to claim 1, characterized in that, The flame cap assembly includes a gas distribution structure, and the outer ring area is divided into a first ring area and a second ring area via the gas distribution structure.

3. The burner according to claim 1, wherein the burner cap assembly comprises: Fire cap base; as well as Fire cap, which includes: The first flame cap, together with the flame cap seat, forms the outer ring mixing chamber assembly; The second flame cap, together with the flame cap seat, forms the inner annular mixing chamber; The first and second flame caps are equipped with flame-emitting structures.

4. The burner according to claim 3, wherein the burner cap assembly comprises: The flame outlet structure is provided on the entire or partial area of ​​the first and / or second flame caps along their circumference; And / or The flame exit structures corresponding to different parts of the first and / or second flame caps along their circumference may be the same or different.

5. The burner according to claim 1, characterized in that, The burner includes a burner head assembly, the burner head assembly comprising: The burner head has a nozzle mounting area; A nozzle assembly, disposed at the burner head, includes two first nozzles corresponding to the outer annular mixing chamber assembly and a second nozzle corresponding to the inner annular mixing chamber assembly; and An air intake channel assembly is disposed at the burner head and includes two outer ring air intake channels corresponding to the two first nozzles and an inner ring air intake channel corresponding to the second nozzle; Wherein, at least a portion of the first nozzle and the second nozzle are arranged in a concentrated manner.

6. The burner according to claim 5, characterized in that, One of the two first nozzles is arranged together with the second nozzle.

7. The burner according to claim 6, characterized in that, The axes of the first and second nozzles, which are centrally located, are parallel; and / or The two first nozzles inject gas in opposite directions.

8. The burner according to claim 6, characterized in that, The axes of the two first nozzles are coplanar; and / or The outer annular air intake channels of the two first nozzles are perpendicular to each other.

9. The burner according to claim 5, characterized in that, The flame cap assembly includes a flame cap base, on which are disposed: Two first ejector channels allow the gas to reach the corresponding outer ring mixing chamber via the first nozzle and the corresponding first ejector channel. as well as The second ejector channel allows the gas to reach the inner ring mixing chamber via the second nozzle and the second ejector channel. The two first ejector channels are positioned at circumferential intervals with their corresponding outer ring mixing chambers.

10. A stove, characterized in that, The stove includes the burner according to any one of claims 1 to 9.

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