CN220541086U - Burner assembly and stove - Google Patents

Abstract

The utility model discloses a burner assembly and a stove. The burner assembly includes a first burner, a second burner, and an ignition module. The first burner is ring-shaped and is formed with a first fire hole at the inner periphery. The second burner is annular, and is formed with the second fire hole at the inner periphery, and the second burner sets up in first combustor top, and the internal diameter of second burner is greater than the internal diameter of first combustor. The ignition module includes an ignition needle, a thermocouple, and a first bracket on which the ignition needle and the thermocouple are secured, the ignition module being configured such that the ignition needle is disposed proximate the first fire hole. Above-mentioned combustor subassembly, ignition module is through integrating ignition needle and thermocouple as an organic whole for the ignition needle is close to first fire hole and is located inside the combustor subassembly, in order to improve the ignition success rate of first combustor and second combustor, simple installation.

Description

Burner assembly and stove

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a burner assembly and a kitchen range.

Background

In the related art, the ignition needle and the thermocouple are separately arranged at the inner side and the outer side of the burner, the installation is complicated, and the ignition success rate is low.

Disclosure of Invention

Embodiments of the present utility model provide a burner assembly and a cooktop.

Embodiments of the present utility model provide a burner assembly comprising:

the first burner is annular and is provided with a first fire hole at the inner periphery;

the second burner is annular, a second fire hole is formed in the inner periphery of the second burner, the second burner is arranged above the first burner, and the inner diameter of the second burner is larger than that of the first burner;

the ignition module, the ignition module includes ignition needle, thermocouple and first support, ignition needle with the thermocouple is fixed on the first support, the ignition module is configured, the ignition needle is close to first fire hole sets up.

Above-mentioned combustor subassembly, ignition module is through integrating ignition needle and thermocouple as an organic whole for the ignition needle is close to first fire hole and is located inside the combustor subassembly, in order to improve the ignition success rate of first combustor and second combustor, simple installation.

In certain embodiments, the ignition module is disposed between the first burner and the second burner.

So for ignition module sets up inside the combustor subassembly, avoids unexpected collision to cause the damage, thereby improves ignition module's stability and ignition efficiency.

In certain embodiments, the length of the ignition needle is at an angle α from the central axis of the first burner, the angle α ranging from (30 °,90 °).

Therefore, the ignition needle is close to the first fire hole from the upper part of the inner periphery of the first combustor so as to ignite the fuel gas of the first fire hole, thereby improving the ignition success rate.

In certain embodiments, the length of the ignition needle is at an angle α from the central axis of the first burner, the angle α ranging from (60 °,70 °).

Therefore, the ignition needle and the first fire hole are ensured to be proper in position, and the ignition success rate of the first combustor is higher.

In certain embodiments, the ignition module is disposed inside the first burner.

Therefore, the ignition needle is close to the first fire hole from the lower part of the inner periphery of the first combustor so as to ignite the fuel gas of the first fire hole, thereby improving the ignition success rate.

In some embodiments, the first support includes a fixing piece and two groups of elastic pieces extending from the fixing piece, each group of elastic pieces forms a corresponding clamping groove, and the ignition needle and the thermocouple are respectively fixed in the clamping grooves.

In this way, the ignition needle and the thermocouple are ensured to be stably arranged on the first bracket, so that normal ignition and flameout protection of the burner assembly are ensured.

In some embodiments, the first burner includes a first lower plate, a first upper plate disposed on the first lower plate, and a first partition plate, the first lower plate is formed with a first lower duct, the first upper plate is formed with a first upper duct corresponding to the first lower duct, the first lower duct and the first upper duct are opposite to form the first fire hole, and the first partition plate is disposed between the first lower plate and the first upper plate and separates the first lower duct from the first upper duct.

Therefore, the first upper pore passage of the first upper plate and the first lower pore passage of the first lower plate are arranged opposite to each other, so that the first fire hole of the first burner is formed opposite to each other, the total area of the fire holes of the first burner is increased, and the flame intensity and the upper load limit of the first burner are increased.

In some embodiments, the first separator plate is formed with a protrusion configured to contact an arc generated by the ignition needle.

So, the protruding portion is formed to first division board, contacts with the electric arc that the ignition needle produced in order to prevent electric arc from running in disorder to promote the ignition success rate, improve user experience.

In some embodiments, the second burner includes a second lower plate, a second upper plate disposed on the second lower plate, the second lower plate being formed with a second lower duct, the second upper plate being formed with a second upper duct corresponding to the second lower duct, the second lower duct being opposite to the second upper duct to form the second fire hole, and a second partition disposed between the second lower plate and the second upper plate, and separating the second lower duct from the second upper duct.

In this way, the second upper pore canal of the second upper plate and the second lower pore canal of the second lower plate are arranged right opposite to each other, so that the second fire hole of the second burner is formed right opposite to each other, the total area of the fire holes of the second burner is increased, and the flame intensity and the upper load limit of the second burner are further increased.

In certain embodiments, the second burner has an inner diameter that is 1.2 to 2.5 times the inner diameter of the first burner.

Thus, the flame generated by the burner assembly can be well covered on the bottom of the pan, and the cooking efficiency is improved.

In certain embodiments, the second burner has an inner diameter that is 1.5 times the inner diameter of the first burner.

Therefore, by adjusting the proper flame position, the heating area and cooking efficiency of the pan bottom are further improved under the condition that the flame better coats the pan bottom.

In certain embodiments, the burner assembly includes a second bracket, the first bracket being formed with a fixing hole, and the ignition module being mounted on the second bracket through the fixing hole.

In this way, under the condition that the ignition module is stably arranged on the second bracket, the ignition needle faces towards and is close to the protruding part, so that the ignition efficiency is ensured.

In certain embodiments, the first fire hole and the second fire hole have a first height difference in a range of (15 mm,40 mm).

In this way, the ignition efficiency and the heat dissipation efficiency of the burner assembly are improved. When the first height difference is greater than 40mm, the first height difference is too large, so that the distance between the first burner and the second burner is too far, and ignition of the second burner is difficult to be assisted by the flame of the first burner. When the first height difference is smaller than 15mm, the first height difference is too small, so that the distance between the first burner and the second burner is too short, the heat dissipation effect is poor, and potential safety hazards are easily generated due to too high heat in the burner assembly.

In certain embodiments, the first fire hole and the second fire hole have a first height difference in a range of (20 mm,30 mm).

In this way, the ignition efficiency and the heat dissipation efficiency of the burner assembly are further improved. When the first height difference is larger than 30mm, the first height difference is too large, so that the distance between the first burner and the second burner is too long, and ignition of the second burner is difficult to be assisted by flame of the first combustion. When the first height difference is smaller than 20mm, the first height difference is too small, so that the distance between the first burner and the second burner is too short, the heat dissipation effect is poor, and potential safety hazards are easily generated due to too high heat in the burner assembly.

In certain embodiments, the first fire hole and the second fire hole have a first height difference, the first height difference being 23.65mm.

Therefore, the ignition efficiency and the heat dissipation efficiency of the burner assembly are higher, and the safety of the burner assembly is ensured.

In certain embodiments, the burner assembly includes a baffle disposed between the first burner and the second burner, the baffle having a second height differential from the top of the first fire hole, and a third height differential from the bottom of the second fire hole, the third height differential being greater than the second height differential.

Therefore, proper intervals are kept between the first burner and the second burner and the guide plates respectively, so that the air fluidity inside the burner assembly is improved, and the combustion efficiency of the burner assembly is improved.

In certain embodiments, the second height difference ranges from (0, 8 mm).

In this way, the top of the first burner is kept at a proper distance from the guide plate, so that the supply of secondary air is improved, and the combustion efficiency of the first burner is improved.

In certain embodiments, the second height difference is 5mm.

Therefore, under the condition that the proper distance exists between the top of the first combustor and the guide plate, the supply amount of secondary air is sufficient, and the combustion efficiency of the first combustor is high.

In certain embodiments, the third height difference ranges from (0, 15 mm).

Therefore, the bottom of the second burner is kept at a proper distance from the guide plate, so that the supply of secondary air is improved, the combustion efficiency is improved, and the flame uniformity of the burner assembly is ensured.

In certain embodiments, the third height difference is 9mm.

Therefore, under the condition that the proper distance exists between the bottom of the second burner and the guide plate, the supply amount of secondary air is sufficient, so that the combustion efficiency of the burner assembly is high, and the flame uniformity is good.

In some embodiments, a first fire passing gap is formed between the first upper plate and the first partition plate, and the first fire passing gap communicates with two adjacent first fire holes.

Therefore, two adjacent independent first fire holes are connected together, so that integral flame is ensured to be formed, and the fire transmission capacity and the fire drop resistance of the first burner are improved.

In some embodiments, a second fire passing gap is formed between the second upper plate and the second partition plate, and the second fire passing gap is communicated with two adjacent second fire holes.

Therefore, two adjacent independent second fire holes are connected together, so that integral flame is ensured to be formed, and the fire transmission capacity and the anti-drop capacity of the second burner are improved.

Embodiments of the present utility model provide a cooktop comprising a burner assembly as described in any of the embodiments above.

Above-mentioned cooking utensils, ignition module is through integrating ignition needle and thermocouple for the ignition needle is close to first fire hole and is located the combustor subassembly inside, in order to improve the ignition success rate of first combustor and second combustor, simple installation.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a partial structure of an ignition module of a burner assembly of an embodiment of the present utility model disposed between a first burner and a second burner;

FIG. 2 is a schematic perspective assembly view of an ignition module according to an embodiment of the present utility model;

FIG. 3 is another partial schematic view of an ignition module of a burner assembly of an embodiment of the present utility model disposed inside a first burner;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is a top view of a first burner of an embodiment of the present utility model;

FIG. 6 is a top view of a second burner of an embodiment of the present utility model;

FIG. 7 is an exploded perspective view of a burner assembly according to an embodiment of the present utility model;

FIG. 8 is a perspective assembly schematic view of a burner assembly according to an embodiment of the present utility model;

fig. 9 is a schematic structural view of a hob according to an embodiment of the present utility model.

Description of main reference numerals: the stove comprises a stove body 1000, a burner assembly 100, a stove head 200, a first burner 10, a second burner 20, an ignition module 30, a second bracket 40, a guide plate 50, an oil cup 60, a fixing plate 70, a first fire hole 11, a first lower plate 12, a first upper plate 13, a first partition plate 14, a first fire transmission gap 15, a second fire hole 21, a second fire hole the second lower plate-22, the second upper plate-23, the second partition plate-24, the second fire transmission gap-25, the ignition needle-31, the thermocouple-32, the first bracket-33, the first lower duct-121, the first upper duct-131, the protruding part-141, the second lower duct-221, the second upper duct-231, the fixing piece-331, the elastic piece-332, the clamping groove-333 and the fixing hole-334.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The disclosure herein provides many different embodiments or examples for implementing different structures of the utility model. To simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 3, a burner assembly 100 according to an embodiment of the present utility model includes a first burner 10, a second burner 20, and an ignition module 30. The first burner 10 has a ring shape and is formed with first flame holes 11 at an inner circumference. The second burner 20 has a ring shape and is formed with a second flame hole 21 at an inner circumference, the second burner 20 is disposed above the first burner 10, and an inner diameter D2 of the second burner is larger than an inner diameter D1 of the first burner. The ignition module 30 includes an ignition needle 31, a thermocouple 32, and a first bracket 33, the ignition needle 31 and the thermocouple 32 being fixed to the first bracket 33, the ignition module 30 being configured such that the ignition needle 31 is disposed close to the first fire hole 11.

The ignition module 30 integrates the ignition needle 31 and the thermocouple 32, so that the ignition needle 31 is close to the first fire hole 11 and is positioned inside the burner assembly 100, thereby improving the ignition success rate of the first burner 10 and the second burner 20, and being simple and convenient to install.

Specifically, in one embodiment, the first burner 10 may be an inner ring burner that may be used to provide an inner ring flame to ensure flame intensity and heat uniformity in the middle of the pan bottom.

In detail, the first burner 10 is formed at an inner circumference thereof with a plurality of first flame holes 11 to ensure that the plurality of first flame holes 11 are formed around the inner circumference thereof with an inner ring flame outlet, thereby providing an annular inner flame to ensure uniformity of heating of the middle portion of the bottom of the pan.

In one embodiment, the second burner 20 may be an outer ring burner that may be used to provide an outer ring flame to ensure flame intensity and heat uniformity at the bottom edge of the pan.

In detail, the second burner 20 is formed at an inner circumference thereof with a plurality of second flame holes 21 to ensure that the plurality of second flame holes 21 are formed around the inner circumference thereof with an outer ring flame outlet, thereby providing an annular outer flame to ensure uniformity of heating at a bottom edge of the pot.

The inner diameter D1 of the first burner may be the diameter of the inner circumference of the first burner 10 to provide an inner annular flame of diameter D1.

The inner diameter D2 of the second burner may be the diameter of the inner circumference of the second burner 20 to provide an outer annular flame of diameter D2.

It will be appreciated that the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner to ensure that the first burner 10 and the second burner 20 respectively provide inner ring flame and outer ring flame, and the inner ring flame and the outer ring flame are matched by division, so that the middle part and the edge position of the pan bottom are uniformly heated, the pan bottom is uniformly heated as a whole, and the flame uniformity of the pan bottom is further ensured.

In one embodiment, the ignition module 30 may be used to provide a discharge arc to ensure proper ignition of the burner assembly 100, and may also be used to detect changes in thermoelectric voltage to ensure safe use of the burner assembly 100.

In detail, an ignition needle 31 is provided on the first bracket 33 and is disposed near the first flame hole 11 for providing a discharge arc to ignite the gas at the first flame hole 11, forming an inner ring flame. Meanwhile, the upward combustion of the inner ring flame ignites the combustion at the second flame hole 21, thereby ensuring the efficient ignition of the burner assembly 100, and being convenient and quick.

Similarly, a thermocouple 32 is disposed at a distance from the ignition needle 31 and is fixed to the first holder 33 to contact and detect the flame generated from the first flame hole 11.

It will be appreciated that thermocouple 32 corresponds to a sensor that can control the opening and closing of the gas passageway. When the fire is accidentally extinguished due to porridge cooking, water boiling overflow and the like, the thermocouple 32 can automatically cut off the air source, so that the gas is prevented from leaking, and the flameout protection function is achieved.

That is, the ignition needle 31 is disposed adjacent to the first flame hole 11 and is located inside the burner assembly 100 for providing a discharge arc to ignite the fuel gas at the first flame hole 11 to form an annular inner flame. Meanwhile, the annular inner flame generated by the first flame holes 11 can ignite the fuel gas at the second flame holes 21 from the inner periphery in a flame up-guiding manner to form an annular outer flame, so that the flame uniformity of the burner assembly 100 is ensured, the burner assembly is convenient and quick, and the ignition efficiency is high.

In one embodiment, the ignition module 30 is disposed inside the burner assembly 100, so that collision, accidental damage of bottom of a pan overflow, etc. can be reduced, so that the ignition module 30 ignites normally, thereby improving the ignition success rate of the ignition module 30.

In addition, the ignition needle 31 and the thermocouple 32 are integrally arranged on the ignition module 30, so that the burner assembly 100 can be ensured to ignite efficiently, the occupied space is small, and the installation is convenient.

It should be noted that, the first burner 10 and the second burner 20 can be stably set at a proper distance to ensure that air flows smoothly at the first fire hole 11 in the burner assembly 100, so as to ensure that the first burner 10 works normally, and avoid insufficient intensity (or extinction) of the inner ring flame caused by insufficient secondary air supplement, so as to ensure the overall flame uniformity of the pan bottom.

Referring to FIG. 1, in certain embodiments, an ignition module 30 is disposed between the first burner 10 and the second burner 20.

In this manner, the ignition module 30 is disposed inside the burner assembly 100, and damage caused by accidental collision is avoided, thereby improving the stability and ignition efficiency of the ignition module 30.

Specifically, in one embodiment, the ignition module 30 is disposed between the first burner 10 and the second burner 20, so that the influence of the external environment on the ignition process can be reduced, and the normal operation of the ignition needle 31 can be ensured.

It will be appreciated that the external environment may be an accidental collision or accidental spillage of liquid, etc., which may result in the ignition needle 31 being damaged and not properly ignited.

That is, the ignition module 30 is disposed between the first burner 10 and the second burner 20 to secure the stability of the ignition needle 31, thereby providing a proper ignition environment to achieve efficient ignition.

In one embodiment, the ignition module 30 may be disposed near the first flame holes 11 of the first burner 10 such that the first burner 10 is rapidly ignited to ignite the fuel gas at the second flame holes 21 of the second burner 20 by means of flame up, thereby improving the ignition success rate of the burner assembly 100.

In certain embodiments, the length of the ignition needle 31 is at an angle α with respect to the central axis of the first burner 10, the angle α ranging from (30 °,90 °).

In this way, the ignition needle 31 is made to approach the first fire hole 11 from above the inner periphery of the first burner 10 to ignite the fuel gas of the first fire hole 11, thereby improving the ignition success rate.

Specifically, as shown in fig. 1, in one embodiment, the ignition needle 31 should be set to a proper angle α to ensure that the discharge arc accurately and rapidly ignites the gas of the first flame hole 11, thereby improving the ignition success rate.

In one embodiment, the length of the ignition needle 31 is in the range of an angle α (30 °,90 °) with the central axis of the first burner 10 to ensure proper ignition of the burner assembly 100.

That is, the angle α may range from (30 °,90 °), i.e., 30 ° < α < 90 °. In some examples, α may be 35 °, 40 °, 45 °, 60 °, 65 °, 70 °, 85 °, or other values between 30 ° and 90 °.

When the angle α is greater than 90 °, the angle α is too large, so that the end of the ignition needle 31 is inclined toward the second burner 20, resulting in too large a space between the first burner 10 and the second burner 20, so that the distance between the first fire hole 11 and the second fire hole 21 is far, that is, the effect of igniting the fuel gas at the second fire hole 21 by the inner ring flame generated by the first fire hole 11 is poor, and the ignition efficiency is poor.

In addition, the distance between the inner ring flame and the bottom of the pot and the distance between the outer ring flame and the bottom of the pot are large, so that the flame intensity of the bottom of the pot is inconsistent, and the flame uniformity is reduced.

When the angle alpha is smaller than 30 degrees, the angle alpha is too small, so that the tip of the ignition needle 31 deviates from the first fire hole 11 and is arranged upwards, the arc generated by the ignition needle 31 is too far away from the first fire hole 11, and the arc is not easy to be led to the first fire hole 11, thereby reducing the ignition success rate.

In certain embodiments, the length of the ignition needle 31 is at an angle α from the central axis of the first burner 10, which is in the range of (60 °,70 °).

In this way, the ignition needle 31 and the first fire hole 11 are ensured to be positioned appropriately, so that the ignition success rate of the first burner 10 is higher.

Specifically, as shown in fig. 1, in one embodiment, it is preferable that the length direction of the ignition needle 31 forms an angle α with the central axis of the first burner 10 in a range of (60 °,70 °) so that the ignition success rate of the ignition needle 31 is high, thereby ensuring rapid and efficient ignition of the first burner 10.

That is, the angle α may range from (60 °,70 °), i.e., 60 ° < α < 70 °. In some examples, α may be 61 °, 63 °, 64 °, 65 °, 67 °, 68 °, 69 °, or other values between 60 ° and 70 °.

When the angle α is greater than 70 °, the angle α is greater, so that the space between the first burner 10 and the second burner 20 is greater, resulting in a longer distance between the first fire hole 11 and the second fire hole 21, that is, an effect that the inner ring flame generated by the first fire hole 11 ignites the gas at the second fire hole 21 is poor, so that the ignition efficiency is poor.

In addition, the distance between the inner ring flame and the bottom of the pot and the distance between the outer ring flame and the bottom of the pot are large, so that the flame intensity of the bottom of the pot is inconsistent, and the flame uniformity is reduced.

When the angle alpha is smaller than 60 degrees, the angle alpha is smaller, so that the tip of the ignition needle 31 deviates from the first fire hole 11 and is arranged upwards, the arc generated by the ignition needle 31 is far away from the first fire hole 11, and the arc is not easy to be led to the first fire hole 11, thereby reducing the ignition success rate.

Referring to fig. 3, in some embodiments, an ignition module 30 is disposed inside the first combustor 10.

In this way, the ignition needle 31 is made to approach the first fire hole 11 from below the inner periphery of the first burner 10 to ignite the fuel gas of the first fire hole 11, thereby improving the ignition success rate.

Specifically, as shown in fig. 3, in one embodiment, the ignition module 30 is disposed inside the first burner 10, that is, the ignition module 30 approaches the first fire hole 11 from below the inner periphery of the first burner 10, so as to reduce the influence of accidental collision or accidental liquid scattering on the ignition process, thereby ensuring the normal operation of the ignition needle 31.

That is, the ignition module 30 is disposed inside the first burner 10 to improve the stability of the ignition needle 31, thereby providing a stable ignition environment to achieve efficient ignition.

In one embodiment, the ignition module 30 is disposed near the first fire hole 11 of the first burner 10 such that the first burner 10 is rapidly ignited to ignite the fuel gas at the second fire hole 21 of the second burner 20 by means of flame up, thereby improving the ignition success rate of the burner assembly 100.

In one embodiment, the ignition module 30 is disposed inside the first burner 10, making the burner assembly 100 more aesthetically pleasing and neat in appearance.

Referring to fig. 2, in some embodiments, the first bracket 33 includes a fixing piece 331 and two groups of elastic pieces 332 extending from the fixing piece 331, each group of elastic pieces 332 forms a corresponding clamping slot 333, and the ignition needle 31 and the thermocouple 32 are respectively fixed in the clamping slot 333.

In this manner, the stable arrangement of the ignition needle 31 and the thermocouple 32 on the first bracket 33 is ensured, thereby ensuring the normal ignition and flameout protection of the burner assembly 100.

Specifically, in one embodiment, the fixing piece 331 may be a supporting base plate for supporting and fixing the ignition needle 31 and the thermocouple 32 to improve the stability of the ignition module 30.

In one embodiment, the elastic sheet 332 may be two arc-shaped metal sheets to form a clamping slot 333, so as to ensure that the ignition needle 31 and the thermocouple 32 are respectively clamped in the clamping slot 333, thereby improving the stability of the ignition module 30.

It will be appreciated that the spring 332 is disposed on the support 22 at an angle such that the tip of the ignition needle 31 and the tip of the thermocouple 32 are disposed close to each other, and such that the tip of the ignition needle 31 and the tip of the thermocouple 32 are disposed far away from each other, thereby ensuring that the ignition needle 31 and the thermocouple 32 are disposed close to the first fire hole 11, and further ensuring normal ignition and flameout protection of the burner assembly 100.

In addition, the ignition needle 31 and the thermocouple 32 are integrally provided on the first bracket 33 to improve installation efficiency while ensuring efficient ignition and flameout protection of the burner assembly 100, thereby improving safety of the burner assembly 100.

Referring to fig. 4, in some embodiments, the first burner 10 includes a first lower plate 12, a first upper plate 13 disposed on the first lower plate 12, and a first separation plate 14, the first lower plate 12 is formed with a first lower duct 121, the first upper plate 13 is formed with a first upper duct 131 corresponding to the first lower duct 121, the first lower duct 121 is opposite to the first upper duct 131 to form a first fire hole 11, and the first separation plate 14 is disposed between the first lower plate 12 and the first upper plate 13 and separates the first lower duct 121 from the first upper duct 131.

In this way, the first upper duct 131 of the first upper plate 13 and the first lower duct 121 of the first lower plate 12 are disposed opposite to each other, so that the first fire holes 11 of the first burner 10 are formed opposite to each other, thereby increasing the total area of the fire holes of the first burner 10, and further increasing the flame intensity and the upper load limit of the first burner 10.

Specifically, the first lower plate 12 may be used to form the first fire hole 11, and thus the first lower plate 12 may be a high temperature resistant and corrosion resistant material.

In one embodiment, the first lower plate 12 may be formed of an aluminum alloy material to ensure bending performance of the first lower plate 12, thereby ensuring concave formation of the first lower hole 121. In other embodiments, the first lower plate 12 may be made of other materials, which is not particularly limited herein.

Similarly, the first upper plate 13 may be used to form the first fire holes 11 with the first lower plate 12, and thus the first upper plate 13 may be a high temperature and corrosion resistant material.

In one embodiment, the first upper plate 13 may be made of the same material as the first lower plate 12 to ensure the bending property of the first upper plate 13, thereby ensuring the upwardly convex formation of the first upper duct 131. In other embodiments, the first upper plate 13 may be made of other materials, which is not particularly limited herein.

It will be appreciated that the first lower duct 121 is formed directly opposite to the first upper duct 131 to form a ring-like first fire hole 11. The total area of the first flame holes 11 is increased with respect to the single first lower duct 121 or the single first upper duct 131 arranged in a staggered manner, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the first burner 10.

In addition, the equivalent cross-sectional area of the first flame holes 11 of the present application is not changed, compared to a burner in which the first partition plate 14 is not provided, so that the first burner 10 can be ensured to have a large flame, and excellent flame transfer and flame stabilizing effects can be provided at the same time.

In some embodiments, the first separation plate 14 is formed with a protrusion 141, and the protrusion 141 is configured to contact an arc generated by the ignition needle 31.

In this way, the first partition plate 14 forms the protrusion 141 to contact with the arc generated by the ignition needle 31 to prevent the arc from being scattered, thereby improving the ignition success rate and the user experience.

Specifically, the protrusion 141 is provided on the first separation plate 14, and serves to attract an arc generated by the ignition needle 31, so that the arc ignites the gas at the protrusion 141 to form a flame, to prevent the discharge arc of the ignition needle 31 from deviating from the direction of the first separation plate 14, thereby improving the ignition success rate of the first burner 10.

It will be appreciated that the first upper plate 13 and the first partition plate 14 form the first flame propagation gap 15 between two adjacent first upper duct holes 131, and in the case that the arc generated by the ignition needle 31 contacts the protrusion 141, the efficiency of forming the integral annular flame by the first flame holes 11 can be improved, thereby improving the ignition success rate of the first burner 10 and further ensuring the ignition efficiency of the burner assembly 100.

In some embodiments, the second burner is provided with a second lower plate 22, a second upper plate 23 provided on the second lower plate 22, and a second partition plate 24, the second lower plate 22 is formed with a second lower duct 221, the second upper plate 23 is formed with a second upper duct 231 corresponding to the second lower duct 221, the second lower duct 221 is opposite to the second upper duct 231 to form the second fire hole 21, and the second partition plate 24 is provided between the second lower plate 22 and the second upper plate 23 and separates the second lower duct 221 from the second upper duct 231.

In this way, the second upper duct 231 of the second upper plate 23 and the second lower duct 221 of the second lower plate 22 are disposed to face each other, so that the second fire holes 21 of the second burner 20 are formed to face each other, thereby increasing the total area of the fire holes of the second burner 20, and further increasing the flame intensity and the upper load limit of the second burner 20.

Specifically, in one embodiment, the second lower plate 22 may be used to form the second fire holes 21, and thus the second lower plate 22 may be a high temperature resistant and corrosion resistant material.

In one embodiment, the second lower plate 22 may be formed of an aluminum alloy material to ensure bending properties of the second lower plate 22, thereby ensuring the formation of the second lower duct 221. In other embodiments, the second lower plate 22 may be made of other materials, which is not particularly limited herein.

Similarly, the second upper plate 23 may be used to form the second fire holes 21 with the second lower plate 22, and thus the second upper plate 23 may be a high temperature and corrosion resistant material.

In one embodiment, the second upper plate 23 may be made of the same material as the second lower plate 22 to ensure the bending property of the second upper plate 23, thereby ensuring the formation of the second upper duct 231. In other embodiments, the second upper plate 23 may be made of other materials, which is not particularly limited herein.

It will be appreciated that the second lower duct 221 is formed directly opposite the second upper duct 231 to form a second fire hole 21 resembling an annular shape. The total area of the second flame holes 21 is increased with respect to the single second lower duct 221 or the single second upper duct 231 arranged in a staggered manner, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the second burner 20.

In addition, compared with a burner without the second partition plate 24, the equivalent cross-sectional area of the second fire hole 21 is not changed, so that the second burner 20 can have larger flame and simultaneously has excellent flame transfer and flame stabilizing effects.

Referring to fig. 1, 5 and 6, in some embodiments, the inner diameter D2 of the second burner is 1.2 to 2.5 times the inner diameter D1 of the first burner.

In this manner, the flames generated by the burner assembly 100 are preferably directed to cover the bottom of the pan, thereby improving cooking efficiency.

Specifically, in one embodiment, the inner diameter D1 of the first burner may be set to ensure that the annular flame generated by the first burner 10 is better located in the middle of the bottom of the pan, so as to improve the flame intensity of the middle of the bottom of the pan, and ensure that the middle of the bottom of the pan is heated uniformly.

In one embodiment, the inner diameter D2 of the second burner is 1.2 to 2.5 times that of the first burner, so as to ensure that the flame generated by the burner assembly 100 makes the bottom of the pan heated uniformly, and improve the gas utilization rate and cooking efficiency.

It will be appreciated that when the inner diameter of the first burner 10 is D1, the range of the inner diameter D2 of the second burner may be (1.2D1,2.5D1), so that the flame generated by the second burner 20 may better cover the edge position of the bottom of the pan, thereby ensuring that the middle portion of the bottom of the pan and the edge position of the bottom of the pan are heated uniformly, and improving the cooking efficiency.

That is, the second burner has an inner diameter D2 in the range 2.5D1 > D2 > 1.2D1. In some examples, the inner diameter D2 of the second burner may be 1.3D1, 1.5D1, 1.6D1, 1.9D1, 2.0D1, 2.3D1, 2.4D1, or other values between 1.2D1 and 2.5D1.

When the inner diameter D2 of the second burner is larger than 2.5D1, the inner diameter D2 of the second burner is too large, so that the outer ring flame generated by the second flame holes 21 extends to the outer side of the pan bottom, the distance between the outer ring flame and the inner ring flame at the pan bottom is too large, the heating amount is insufficient, and the flame uniformity of the burner assembly 100 is reduced.

In addition, the gas outwards extends to reduce the utilization ratio of the gas, and the risk of scalding a user due to high temperature of the pan handle can also exist.

When the inner diameter D2 of the second burner is smaller than 1.2D1, the inner diameter D2 of the second burner is too small, so that the outer ring flame generated by the second fire hole 21 is relatively close to the inner ring flame generated by the first fire hole 11, the middle part of the pan bottom is heated excessively, the heating quantity of the edge position of the pan bottom is insufficient, the whole pan bottom is heated unevenly, and safety risks are easy to generate.

In certain embodiments, the inner diameter D2 of the second burner is 1.5 times the inner diameter D1 of the first burner.

Therefore, by adjusting the proper flame position, the heating area and cooking efficiency of the pan bottom are further improved under the condition that the flame better coats the pan bottom.

Specifically, in one embodiment, the inner diameter D2 of the second burner is 1.5 times that of the first burner, so that the inner ring flame generated by the first flame holes 11 and the outer ring flame generated by the second flame holes 21 are located at the proper position of the bottom of the pan, thereby better ensuring the heat supply and flame uniformity of the bottom of the pan.

It can be appreciated that the inner diameter D2 of the second burner may be d2= 1.5D1, where the inner ring flame generated by the first burner 10 is ensured to be located in the middle of the bottom of the pan, so that the outer ring flame generated by the second burner 20 just wraps the edge of the bottom of the pan, thereby improving the flame uniformity of the burner assembly 100, and further improving the gas utilization efficiency and the cooking efficiency.

In one embodiment, for example, the inner diameter D1 of the first burner is 80mm, as shown by d2= 1.5D1, the inner diameter D2 of the second burner is 120mm to ensure that the flame generated by the burner assembly 100 better covers the bottom of the pot, thereby ensuring flame uniformity and flame intensity to improve cooking efficiency and gas utilization.

In other embodiments, the inner diameter D1 of the first burner may have other values, and d2= 1.5D1 is only required to be ensured, which is not particularly limited herein.

Referring to fig. 2, 7 and 8, in some embodiments, the burner assembly 100 includes a second bracket 40, the first bracket 33 is formed with a fixing hole 334, and the ignition module 30 is mounted on the second bracket 40 through the fixing hole 334.

In this way, with the ignition module 30 being stably provided on the second bracket 40, the ignition needle 31 is made to face and approach the projection 141, thereby ensuring the ignition efficiency.

Specifically, referring to FIG. 7, in one embodiment, the combustor assembly 100 also includes an oil cup 60 and a stationary plate 70.

In one embodiment, the oil cup 60 may be used to contain oil droplets flowing down the baffle 50 during cooking to improve kitchen cleanliness and thus user experience.

In one embodiment, a securing plate 70 is disposed above the second burner 20 and may be used to secure the second burner 20 to improve the stability and safety of the burner assembly 100.

In one embodiment, the second bracket 40 may be a burner bracket, and the ignition module 30 may be stably disposed on the second bracket by means of screw-fitting the fixing hole 334, thereby improving the stability and the ignition success rate of the ignition needle 31.

In one embodiment, the second bracket 40 may be disposed at the bottom of the burner assembly 100, and the second bracket 40 is formed with a cylindrical inner cavity that may be used to hold the oil cup 60 to ensure the burner assembly 100 is clean and hygienic.

In one embodiment, the second bracket 40 is further formed with a plurality of claw portions, and the plurality of claw portions are formed with a plurality of mounting holes, which can be used for fixedly supporting the ignition module 30 and the burner assembly 100, ensuring stable operation of the burner assembly 100 and improving safety of kitchen cooking.

In addition, the second bracket 40 may be used to fix a plurality of components, such as the ignition module 30, the oil cup 60, the fixing plate 70, etc., to improve the installation efficiency of the burner assembly 100.

In one embodiment, the second bracket 40 may be integrally die-cast by an aluminum alloy material to reduce weight and production cost, or may be formed by other processes, without being limited thereto.

In one embodiment, the first bracket 33 may be used to support the ignition module 30 to improve the stability of the ignition module 30. In addition, the fixing hole 334 formed in the first bracket 33 has a limiting function such that the ignition needle 31 faces and approaches the protrusion 141, thereby improving the ignition success rate.

Referring to fig. 1, in some embodiments, the first fire hole 11 and the second fire hole 21 have a first height difference H1, and the first height difference H1 ranges from (15 mm,40 mm).

As such, to improve the ignition efficiency and heat dissipation efficiency of the burner assembly 100. When the first height difference H1 is greater than 40mm, the first height difference H1 is too large, so that the first burner 10 and the second burner 20 are too far apart, and it is difficult to assist the ignition of the second burner 20 by the flame of the first burner 10. When the first height difference H1 is smaller than 15mm, the first height difference H1 is too small, so that the distance between the first burner 10 and the second burner 20 is too short, the heat dissipation effect is poor, and the safety hazard is easily generated due to too high heat in the burner assembly 100.

Specifically, in one embodiment, the first height difference H1 should be selected to be a suitable distance to ensure proper operation and safe use of the first burner 10 and the second burner 20.

In one embodiment, the first height difference H1 may range from (15 mm,40 mm) to ensure heat dissipation efficiency and flame transfer efficiency of the burner assembly 100, thereby improving the safety of the burner assembly 100.

That is, the first height difference H1 may range from (15 mm,40 mm), i.e., 15mm < H1 < 40mm. In some examples, H1 may be 17mm, 19mm, 23mm, 25mm, 30mm, 32mm, 37mm, or other values between 15mm and 40mm.

When the first height difference H1 is greater than 40mm, the first height difference H1 is excessively large such that the distance between the first burner 10 and the second burner 20 is excessively long, and it is difficult to assist the ignition of the second burner 20 by the flame of the first burner 10, thereby reducing the ignition efficiency.

When the first height difference H1 is smaller than 15mm, the first height difference H1 is too small, so that the distance between the first burner 10 and the second burner 20 is too short, the heat dissipation effect is poor, the heat inside the burner assembly 100 is too high, and potential safety hazards are easily generated.

In some embodiments, the first fire hole 11 and the second fire hole 21 have a first height difference H1, and the first height difference H1 ranges from (20 mm,30 mm).

In this manner, the ignition efficiency and the heat dissipation efficiency of the burner assembly 100 are further improved. When the first height difference H1 is greater than 30mm, the first height difference H1 is greater, so that the distance between the first burner 10 and the second burner 20 is longer, and the flame-assisted second burner 20 of the first burner 10 is lower in ignition efficiency. When the first height difference H1 is smaller than 20mm, the first height difference H1 is smaller, so that the distance between the first burner 10 and the second burner 20 is closer, the heat dissipation effect is poorer, the heat inside the burner assembly 100 is higher, and potential safety hazards are easy to generate.

Specifically, in one embodiment, the first height difference H1 should be selected to be a suitable distance to ensure proper operation and safe use of the first burner 10 and the second burner 20.

In one embodiment, the first height difference H1 may preferably range from (20 mm,30 mm) to further improve the heat dissipation efficiency and fire transfer efficiency of the burner assembly 100.

That is, the first height difference H1 may range from (20 mm,30 mm), i.e., 20mm < H1 < 30mm. In some examples, H1 may be 21mm, 23mm, 24mm, 25mm, 26mm, 27mm, 29mm, or other values between 20mm and 30mm.

When the first height difference H1 is greater than 30mm, the first height difference H1 is greater, so that the distance between the first burner 10 and the second burner 20 is longer, and the flame-assisted second burner 20 of the first burner 10 is lower in ignition efficiency.

When the first height difference H1 is smaller than 20mm, the first height difference H1 is smaller, so that the distance between the first burner 10 and the second burner 20 is closer, the heat dissipation effect is poorer, the heat inside the burner assembly 100 is higher, and potential safety hazards are easy to generate.

In some embodiments, the first fire hole 11 and the second fire hole 21 have a first height difference H1, and the first height difference H1 is 23.65mm.

In this way, the ignition efficiency and the heat dissipation efficiency of the burner assembly 100 are high, thereby ensuring the safety of the burner assembly 100.

Specifically, in one embodiment, the first height difference H1 may be preferably 23.65mm, that is, the distance between the first fire hole 11 and the second fire hole 21 is 23.65mm, so that the first fire hole 11 can quickly assist the second fire hole 21 to ignite by means of flame up while ensuring a proper heat dissipation space between the first burner 10 and the second burner 20, thereby improving the ignition efficiency and heat dissipation efficiency of the burner assembly 100.

It will be appreciated that in the case where the first height difference H1 is 23.65mm, the flame generated by the first burner 10 is transferred from the first flame holes 11 to the second flame holes 21 (from bottom to top), so that the fuel gas at the second flame holes 21 can be preferably ignited from the inner periphery of the second burner 20 to form a double-ring flame so as to cover the bottom of the pot, so that the ignition efficiency is high.

In addition, under the condition that the first height difference H1 is 23.65mm, the heat dissipation space between the first burner 10 and the second burner 20 is suitable, so that smooth flow of air in the burner assembly 100 can be ensured, that is, heat in the burner assembly 100 can be taken away in an air cooling manner, thereby improving heat dissipation efficiency and ensuring safe operation of the burner assembly 100.

Referring to fig. 4 and 7, in some embodiments, the burner assembly 100 includes a baffle 50, the baffle 50 is disposed between the first burner 10 and the second burner 20, a second height difference H2 exists between the baffle 50 and the top of the first fire hole 11, a third height difference H3 exists between the baffle 50 and the bottom of the second fire hole 21, and the third height difference H3 is greater than the second height difference H2.

In this way, the first burner 10 and the second burner 20 are respectively kept at a proper distance from the guide plate 50, so as to improve the air fluidity inside the burner assembly 100, thereby improving the combustion efficiency of the burner assembly 100.

Specifically, in one embodiment, the baffle 50 is disposed between the first burner 10 and the second burner 20 in a funnel shape, and the large open end is disposed near the bottom of the second fire hole 21, and the small open end is disposed near the top of the first fire hole 11, so as to increase the space of the first burner 10 and the second burner 20, ensure the supply of secondary air, and thus improve the combustion efficiency of the burner assembly 100.

In one embodiment, the second height difference H2 may be a distance between the deflector 50 and the top of the first fire hole 11, and the second height difference H2 should be selected to have a smaller distance so that the faster the secondary air reaches the first fire hole 11, thereby ensuring the combustion efficiency of the first burner 10.

In one embodiment, the third height difference H3 may be a distance between the deflector 50 and the bottom of the second flame holes 21, and the third height difference H3 should be selected to have a larger distance to ensure that secondary air is rapidly introduced into the burner assembly 100 from multiple paths, thereby improving the combustion efficiency of the burner assembly 100.

It will be appreciated that the third height difference H3 is greater than the second height difference H2, so that the distance between the deflector 50 and the bottom of the second fire hole 21 is ensured to be greater, so that the secondary air is more quickly introduced into the burner assembly 100, and a sufficient amount of secondary air can be provided for the burner assembly 100.

In addition, the third height difference H3 is greater than the second height difference H2, so that the distance between the deflector 50 and the top of the first fire hole 11 is ensured to be smaller, the conveying distance of the secondary air inside the burner assembly 100 is shorter, the conveying speed is faster, and the combustion efficiency of the burner assembly 100 is improved.

It should be noted that the baffle 50 is disposed between the first burner 10 and the second burner 20 in a funnel shape, and may also be used to flow the oil droplets generated during the cooking process into the oil cup 60 along the sidewall of the baffle 50, so as to improve the cleanliness of the burner assembly 100.

In one embodiment, the baffle 50 is disposed in a funnel shape between the first burner 10 and the second burner 20, and may also serve to shield the internal structure of the burner assembly 100, so that the burner assembly 100 is aesthetically neat.

Referring to fig. 4, in some embodiments, the second height difference H2 ranges from (0, 8 mm).

In this way, the top of the first burner 10 is kept at a proper distance from the deflector 50 to improve the supply of secondary air, thereby improving the combustion efficiency of the first burner 10.

Specifically, in one embodiment, the second height difference H2 should be selected to be a suitable distance to ensure the supply speed of the secondary air to the first flame holes 11, thereby improving the combustion efficiency of the first burner 10.

In one embodiment, the second height difference H2 may be in the range of (0, 8 mm) to provide sufficient secondary air in time to ensure sufficient combustion of the fuel gas at the first fire hole 11, thereby improving the combustion efficiency of the first burner 10.

That is, the second height difference H2 may range from (0, 8 mm), i.e., 0 < H2 < 8mm. In some examples, H2 may be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, or other values between 0 and 8mm.

When the second height difference H2 is greater than 8mm, the second height difference H2 is excessively large, so that the time for the secondary air to reach the first flame holes 11 is excessively long, thereby reducing the combustion efficiency of the first burner 10 and having lower flame uniformity.

In certain embodiments, the second height difference H2 is 5mm.

In this way, the supply amount of secondary air is made sufficient while ensuring that there is a proper distance between the top of the first burner 10 and the deflector 50, so that the combustion efficiency of the first burner 10 is high.

Specifically, in one embodiment, the second height difference H2 may be preferably 5mm, that is, the distance between the top of the first burner 11 and the deflector 50 is 5mm, so that the secondary air reaches the first burner 11 quickly while ensuring a proper distance between the top of the first burner 10 and the deflector 50, thereby making the combustion efficiency of the first burner 10 high.

It can be understood that in the case where the second height difference H2 is 5mm, the fuel gas at the first flame holes 11 can be sufficiently combusted by the secondary air, so that the combustion efficiency of the first burner 10 is high, thereby improving the flame intensity.

In addition, in case that the second height difference H2 is 5mm, the distance between the first burner 10 and the baffle 50 is large, and the heat dissipation efficiency is fast, thereby securing the safe operation of the burner assembly 100.

In certain embodiments, the third height difference H3 ranges from (0, 15 mm).

In this manner, the bottom of the second burner 20 is maintained at a proper distance from the deflector 50 to enhance the supply of secondary air, thereby enhancing combustion efficiency and ensuring flame uniformity of the burner assembly 100.

Specifically, in one embodiment, the third height difference H3 is selected to be a suitable distance such that sufficient secondary air is introduced into the burner assembly 100 while ensuring sufficient combustion of the fuel gas of the second flame holes 21, thereby ensuring flame uniformity of the burner assembly 100.

In one embodiment, the third height difference H3 may range from (0, 15 mm), i.e., 0 < H3 < 15mm. In some examples, H3 may be 1mm, 3mm, 4mm, 7mm, 9mm, 10mm, 13mm, or other values between 0 and 15mm.

When the third height difference H3 is greater than 15mm, the third height difference H3 is too large, so that the distance between the deflector 50 and the second fire hole 21 is too large, the stability is reduced, and the fixation is not easy.

In addition, the third height difference H3 is too large, so that the burner assembly 100 is large in volume and occupies a large space.

In certain embodiments, the third height difference H3 is 9mm.

In this way, the supply amount of secondary air is made sufficient while ensuring a proper distance between the bottom of the second burner 20 and the deflector 50, so that the combustion efficiency of the burner assembly 100 is high and the flame uniformity is good.

Specifically, in one embodiment, preferably, the third height difference H3 may be 9mm, that is, the distance between the bottom of the second fire hole 21 and the deflector 50 is 9mm, so that the secondary air is sufficiently introduced into the burner assembly 100 under the condition of ensuring the sufficient combustion of the fuel gas in the second fire hole 21, so that the combustion efficiency of the first burner 10 is high, and thus the flame uniformity of the burner assembly 100 is good.

It can be understood that in the case where the third height difference H3 is 9mm, the fuel gas at the second flame holes 21 can be sufficiently combusted by the secondary air, so that the combustion efficiency of the second burner 20 is high, thereby improving the flame intensity.

In addition, in the case where the third height difference H3 is 9mm, a sufficient amount of secondary air can be quickly introduced into the burner assembly 100 through the third height difference H3 to accelerate the air flow and the heat dissipation rate. Meanwhile, sufficient secondary air can also reach the first fire hole 11 along the side wall of the guide plate 50, so that the fuel gas of the first fire hole 11 can be fully combusted, and the combustion efficiency of the combustor assembly 100 is ensured to be higher, and the flame uniformity is better.

In some embodiments, a first fire transfer gap 15 is formed between the first upper plate 13 and the first partition plate 14, and the first fire transfer gap 15 communicates with two adjacent first fire holes 11.

In this way, two adjacent independent first fire holes 11 are connected together, so that integral flames are ensured to be formed, and the fire transmission capability and the fire drop resistance of the first burner 10 are improved.

Specifically, in one embodiment, the first flame transfer gap 15 is formed between the first upper plate 13 and the first partition plate 14, so as to ensure that a communicable gap is formed between two adjacent first upper ports 131 in the first upper plate 13 to function to transfer flame and stabilize flame.

It will be appreciated that during ignition of the first burner 10, the ignition needle 31 may release an arc to the protrusion 141 to ignite the fuel gas at the outlet of one of the first upper duct 131, and transfer the flame to the adjacent two first upper duct 131 through the first flame transfer gap 15, thereby forming a continuous flame, and further ensuring flame transfer efficiency and ignition success rate.

In the continuous working process of the first burner 10, the first flame transfer gap 15 is communicated with the two adjacent first upper pore canals 131, and continuously supplements secondary air to ensure that the fuel gas of the two adjacent first upper pore canals 131 is fully combusted, so that the first burner 10 forms integral continuous flame, thereby ensuring high flame intensity and good stability, further improving the anti-ignition capability of the first burner 10, and realizing the purpose of flame stabilization.

In one embodiment, the first flame transfer gap 15 may range from 0.50mm to 0.80mm, such that adjacent two separate first upper ports 131 are connected together to ensure flame transfer and flame holding capabilities of the first burner 10.

That is, the first flame transfer gap 15 ranges from 0.50mm to 0.80mm. In some examples, the first firepassing gap 15 may be 0.50mm, 0.57mm, 0.62mm, 0.68mm, 0.70mm, 0.71mm, 0.80mm, or other values between 0.50mm and 0.80mm.

When the first flame transfer gap 15 is less than 0.50mm, the first flame transfer gap 15 is too small, and the flame transfer efficiency and the secondary air supplementing efficiency are low, so that the flame transfer capability of the first burner 10 is poor.

When the first fire passing gap 15 is larger than 0.80mm, the first fire passing gap 15 is too large, and flame stability is low, so that the first burner 10 has poor fire drop resistance and is easy to generate fire drop extinguishing phenomenon.

In some embodiments, a second fire passing gap 25 is formed between the second upper plate 23 and the second partition plate 24, and the second fire passing gap 25 communicates with two adjacent second fire holes 21.

In this way, two adjacent independent second fire holes 21 are connected together, so that integral flames are ensured to be formed, and the fire transmission capability and the anti-drop capability of the second burner 20 are improved.

Specifically, in one embodiment, the second flame transfer gap 25 is formed between the second upper plate 23 and the second partition plate 24, so as to ensure that a communicable gap is formed between two adjacent second upper holes 231 in the second upper plate 23 to function to transfer flame and stabilize flame.

It will be appreciated that the second burner 20 may be ignited by the flame generated by the first burner 10 to ignite the fuel gas at the second flame holes 21 and transfer the flame to the adjacent two second upper duct 231 through the second flame transfer gap 25, thereby forming a continuous flame, and further ensuring the flame transfer efficiency and the ignition success rate.

In the continuous working process of the second burner 20, the second flame transfer gap 25 is communicated with the two adjacent second upper pore canals 231, and secondary air is continuously supplemented to ensure that the fuel gas of the two adjacent second upper pore canals 231 is fully combusted, so that the second burner 20 forms an integral continuous flame, the large flame intensity and the good stability are ensured, the anti-ignition capability of the second burner 20 is further improved, and the purpose of stabilizing the flame is realized.

In one embodiment, the second flame transfer gap 25 may range from 0.50mm to 0.80mm, such that adjacent two separate second upper ports 231 are connected together to ensure flame transfer and flame holding capabilities of the second burner 20.

That is, the second flame transfer gap 25 ranges from 0.50mm to 0.80mm. In some examples, the second firetransfer gap 25 may be 0.50mm, 0.57mm, 0.62mm, 0.68mm, 0.70mm, 0.71mm, 0.80mm, or other values between 0.50mm and 0.80mm.

When the second flame transfer gap 25 is less than 0.50mm, the second flame transfer gap 25 is too small, and the flame transfer efficiency and the secondary air supplementing efficiency are low, so that the flame transfer capability of the second burner 20 is poor.

When the second fire passing gap 25 is larger than 0.80mm, the second fire passing gap 25 is too large, and the flame stability is low, so that the fire drop resistance of the second burner 20 is poor, and the fire drop extinguishing phenomenon is easy to generate.

Referring to fig. 9, an embodiment of the present utility model provides a cooking appliance 1000, the cooking appliance 1000 comprising the burner assembly 100 of any of the embodiments described above.

The ignition module 30 integrates the ignition needle 31 and the thermocouple 32, so that the ignition needle 31 is close to the first fire hole 11 and is positioned inside the burner assembly 100, thereby improving the ignition success rate of the first burner 10 and the second burner 20, and being simple and convenient to install.

In particular, in one embodiment, the cooktop 1000 may be a natural gas cooktop, a liquefied gas cooktop, or a gas cooktop.

It is understood that the cooktop 1000 includes a burner assembly 100, the burner assembly 100 including at least one burner. Such as a single inner annular burner, a single outer annular burner, a dual annular inner flame burner, or a multi annular inner flame burner, etc.

In one embodiment, the cooktop 1000 includes a burner 200, the burner 200 including a burner assembly 100, the burner assembly 100 including at least one burner.

In one embodiment, the cooktop 1000 may be a single burner cooktop, a dual burner cooktop, or a multi-burner cooktop.

As shown in fig. 9, fig. 9 is a schematic structural view of a dual burner cooktop, i.e., a burner 200 includes a burner assembly 100. The burner assembly 100 may be an outer ring burner, an inner ring burner, or a dual ring burner formed by combining an outer ring burner and an inner ring burner, and is not particularly limited herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (23)

1. A burner assembly, comprising:

the first burner is annular and is provided with a first fire hole at the inner periphery;

The second burner is annular, a second fire hole is formed in the inner periphery of the second burner, the second burner is arranged above the first burner, and the inner diameter of the second burner is larger than that of the first burner;

the ignition module, the ignition module includes ignition needle, thermocouple and first support, ignition needle with the thermocouple is fixed on the first support, the ignition module is configured, the ignition needle is close to first fire hole sets up.

2. The burner assembly of claim 1 wherein the ignition module is disposed between the first burner and the second burner.

3. The burner assembly of claim 2 wherein the length of the ignition needle is at an angle α to the central axis of the first burner, the angle α ranging from (30 °,90 °).

4. The burner assembly of claim 2 wherein the length of the ignition needle is at an angle α to the central axis of the first burner, the angle α ranging from (60 °,70 °).

5. The burner assembly of claim 1 wherein the ignition module is disposed inside the first burner.

6. The burner assembly of claim 1 wherein the first bracket includes a stator and two sets of spring tabs extending from the stator, each set of spring tabs forming a corresponding one of the detents, the firing pin and the thermocouple being secured within the detents, respectively.

7. The burner assembly of claim 1 wherein the first burner includes a first lower plate, a first upper plate disposed on the first lower plate, and a first divider plate, the first lower plate being formed with a first lower duct, the first upper plate being formed with a first upper duct corresponding to the first lower duct, the first lower duct being directly opposite the first upper duct to form the first fire hole, the first divider plate being disposed between the first lower plate and the first upper plate and separating the first lower duct from the first upper duct.

8. The burner assembly of claim 7 wherein the first divider plate is formed with a protrusion configured to contact an arc generated by the ignition needle.

9. The burner assembly of claim 1 wherein the second burner includes a second lower plate, a second upper plate disposed on the second lower plate, the second lower plate defining a second lower duct, the second upper plate defining a second upper duct corresponding to the second lower duct, the second lower duct being aligned with the second upper duct to define the second fire hole, and a second divider disposed between the second lower plate and the second upper plate and separating the second lower duct from the second upper duct.

10. The burner assembly of claim 1 wherein the second burner has an inner diameter that is 1.2 to 2.5 times the inner diameter of the first burner.

11. The burner assembly of claim 1 wherein the inner diameter of the second burner is 1.5 times the inner diameter of the first burner.

12. The burner assembly of claim 1 wherein the burner assembly includes a second bracket, the first bracket being formed with a securing hole through which the ignition module is mounted on the second bracket.

13. The burner assembly of claim 1 wherein the first and second fire holes have a first height differential in the range of (15 mm,40 mm).

14. The burner assembly of claim 1 wherein the first and second fire holes have a first height differential in the range of (20 mm,30 mm).

15. The burner assembly of claim 1 wherein the first and second fire holes have a first height differential, the first height differential being 23.65mm.

16. The burner assembly of claim 1, wherein the burner assembly includes a baffle disposed between the first burner and the second burner, the baffle having a second height differential from a top of the first fire hole, a third height differential from a bottom of the second fire hole, the third height differential being greater than the second height differential.

17. The burner assembly of claim 16 wherein the second height difference ranges from (0, 8 mm).

18. The burner assembly of claim 17 wherein the second height differential is 5mm.

19. The burner assembly of claim 16 wherein the third height difference ranges from (0, 15 mm).

20. The burner assembly of claim 19 wherein the third height differential is 9mm.

21. The burner assembly of claim 7 wherein a first fire transfer gap is formed between the first upper plate and the first divider plate, the first fire transfer gap communicating with adjacent two first fire holes.

22. The burner assembly of claim 9 wherein a second firepassing gap is formed between the second upper plate and the second divider plate, the second firepassing gap communicating with two adjacent second fireholes.

23. A cooktop, characterized in that it comprises the burner assembly of any of claims 1-22.