CN213119065U - Stove burner - Google Patents

Abstract

The utility model discloses a cooking utensils combustor, include: the furnace head is provided with a thick flame mixing cavity and a light flame mixing cavity; the burner cover covers the upper portion of the burner, a plurality of thick flame holes and a plurality of thin flame holes are formed in the outer annular surface of the burner cover and are arranged at different heights in a staggered mode, the thick flame holes are communicated with the thick flame mixing cavity, and the thin flame holes are communicated with the thin flame mixing cavity. This scheme is through being provided with dense flame hybrid chamber and light flame hybrid chamber on the furnace end, sets up on the outer anchor ring of fire lid in not co-altitude and stagger the dense flame fire hole and the light flame fire hole of arranging each other, covers with the alternate form of dense and thin on the outer anchor ring at the fire, reaches the purpose of dense and thin burning, and the different height setting in dense and thin fire hole makes the burning more abundant and high-efficient, effectively reduces nitrogen oxide's emission.

Description

Stove burner

Technical Field

The utility model relates to a gas field, in particular to cooking utensils combustor.

Background

The existing stove burner is characterized in that only one mixing cavity is arranged below a fire cover, the concentration of gas coming out from fire holes of the same fire cover is the same, the fire is large and concentrated, the combustion temperature is high, insufficient combustion is easily caused, and more carbon monoxide, nitrogen oxide and other gases which cause great harm to a human body are generated in the combustion process.

With the coming of the world energy crisis and the improvement of the environmental awareness of people, the requirements on the efficiency and the emission of the kitchen range are higher and higher, and the existing kitchen range burner needs to be further improved in order to meet the requirements on low nitrogen oxide emission.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cooking utensils combustor makes the gas concentration who comes out from fire lid fire hole have the multiple, can carry out the dense and light interval burning, reaches the requirement that low nitrogen oxide discharged.

According to the utility model discloses a cooking utensils combustor of first aspect embodiment includes:

the furnace head is provided with a thick flame mixing cavity and a light flame mixing cavity;

the burner cover covers the upper portion of the burner, a plurality of thick flame holes and a plurality of thin flame holes are formed in the outer annular surface of the burner cover and are arranged at different heights in a staggered mode, the thick flame holes are communicated with the thick flame mixing cavity, and the thin flame holes are communicated with the thin flame mixing cavity.

According to the utility model discloses cooking utensils combustor of first aspect embodiment has following beneficial effect at least: according to the scheme, the furnace end is provided with the thick flame mixing cavity and the thin flame mixing cavity, the outer ring surface of the fire cover is provided with the thick flame holes and the thin flame holes which are arranged at different heights in a staggered manner, the purpose of thick-thin combustion is achieved in a thick-thin alternating mode on the outer ring surface of the fire cover, the different heights of the thick-thin flame holes enable the combustion to be more sufficient and efficient, and the emission of nitrogen oxides is effectively reduced; for the dense or light fire hole that horizontal interval arranged among the prior art, this scheme through dense or light fire hole's upper and lower not co-altitude and stagger the setting each other, can distribute more fire holes on the outer anchor ring is covered to the fire, and light fire hole can make the burning more abundant with unnecessary air supply dense flame fire hole, and light flame hole can drive the flame burning in dense flame fire hole and gather more, guarantees to pass the fire effect.

According to the utility model discloses first aspect the cooking utensils combustor, dense flame fire hole is in the top in light flame fire hole, dense flame fire hole with light flame fire hole all is the circumference and distributes and is in the fire is covered.

According to the utility model discloses first aspect the cooking utensils combustor, the quantity in dense flame fire hole is 2N, the quantity in light flame fire hole is N, dense flame fire hole with light flame fire hole constitutes a N fire hole group, every fire hole group including two dense flame fire holes and be located a light flame fire hole between two dense flame fire holes, N is for being greater than 1 integer.

According to the utility model discloses the cooking utensils combustor of first aspect, the dense flame fire hole with the distance at the hole edge in weak flame fire hole is between 1-4 mm. In order to better ensure the transmission of flame and the supplement of secondary air.

According to the utility model discloses first aspect the cooking utensils combustor, still be provided with the inner ring hybrid chamber on the furnace end, the inner ring hybrid chamber is located the furnace end middle part, the inner ring hybrid chamber coats and is stamped the inner ring fire lid, the inner ring fire is covered and is provided with the intercommunication the inner ring fire hole of inner ring hybrid chamber.

According to the utility model discloses first aspect the cooking utensils combustor, inner ring hybrid chamber, dense flame hybrid chamber and light flame hybrid chamber just set up according to the order from inside to outside for the annular chamber of coaxial setting, the inner ring hybrid chamber with leave the air between the dense flame hybrid chamber and supply the clearance.

According to the utility model discloses first aspect the cooking utensils combustor, be provided with the secondary air on the furnace end and supply the passageway, the secondary air supplies the passageway and passes dense flame hybrid chamber and light flame hybrid chamber, with the outside of furnace end with the air supplies the clearance intercommunication.

According to the utility model discloses first aspect the cooking utensils combustor, the external diameter of furnace end is between 100mm-150 mm. Further, the outer diameter of the burner is preferably 120mm to match most kitchen range burners today.

According to the utility model discloses first aspect the cooking utensils combustor, be equipped with two at least injection pipes on the furnace end, every the hybrid chamber corresponds the intercommunication at least and has one injection pipe.

According to the utility model discloses first aspect the cooking utensils combustor, draw and penetrate the pipe and rise the back intercommunication through the inclined surface the hybrid chamber, the inclination of inclined surface guarantees the smooth-going transport of gas through the inclined surface between 30-60 degrees.

Additional aspects and advantages of the invention 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 invention.

Drawings

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

FIG. 1 is a schematic structural view of a stove burner according to an embodiment of the present invention;

FIG. 2 is a sectional view of the cooking burner of FIG. 1 assembled;

FIG. 3 is a schematic view of the burner and the ejector tube of FIG. 1;

FIG. 4 is a schematic view of the fire lid of FIG. 1;

fig. 5 is a schematic structural view of another fire cover of the present invention.

The reference numbers illustrate:

the burner comprises a burner 10, an inner ring mixing cavity 11, a thick flame mixing cavity 12, a thin flame mixing cavity 13, a secondary air supplement channel 14 and an air supplement gap 15;

an ejector tube 20;

an inner ring fire cover 30 and an inner ring fire hole 31;

a fire cover 40, a thick flame hole 41 and a thin flame hole 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, and a plurality of means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the utility model provides a stove burner, which comprises a stove head 10, wherein the stove head 10 is provided with a thick flame mixing chamber 12 and a light flame mixing chamber 13; the burner cap 40 covers the burner 10, a plurality of thick flame holes 41 and a plurality of thin flame holes 42 are formed in the outer annular surface of the burner cap 40, the thick flame holes 41 and the thin flame holes 42 are arranged at different heights and are staggered with each other, the thick flame holes 41 are communicated with the thick flame mixing cavity 12, and the thin flame holes 42 are communicated with the thin flame mixing cavity 13.

The cooking utensils combustor of this embodiment is through setting up mutually independent dense flame mixing chamber 12 and light flame mixing chamber 13 on the furnace end, in order to hold the mixed gas of different concentrations, set up dense flame fire hole 41 and light flame hole 42 that are in different height and stagger the arrangement each other on the outer annular surface of fire lid 40 simultaneously, make the gas interval output and the burning of different concentrations, realize a dense flame, a light flame, reach the purpose of dense-thin burning with the alternate form of dense-thin, with this formation that restraines nitrogen oxide, reach the requirement that low nitrogen oxide discharged.

Compared with the thick and thin fire holes which are transversely arranged at intervals in the prior art, the thick and thin fire holes are different in height from top to bottom and are arranged in a staggered mode, so that more fire holes can be distributed on the outer ring surface of the fire cover, and the combustion efficiency of the cooker is improved; the light flame holes can supply redundant air to the thick flame holes, so that the combustion is more sufficient; the light flame holes can drive the flame of the thick flame holes to burn and add polymerization, so that the flame transfer effect is ensured.

In one embodiment, the thick flame holes 41 are located above the thin flame holes 42, and the thick flame holes 41 and the thin flame holes 42 are circumferentially distributed on the fire cover 40.

It is easy to understand that the thick flame holes 41 are located above the thin flame holes 42, and the thin flame holes 42 mix more air in the combustion process relative to the thick flame holes 41, so that the excess air can be fully mixed with the fuel gas in the thick flame holes 41 again, so that the combustion is more sufficient and efficient, and the emission of nitrogen oxides is further reduced; moreover, the light flame burns upwards in the fire outlet direction, and can drive the thick flame to burn upwards, so that the flame burning is more concentrated.

As shown in fig. 4, in one embodiment, the number of the thick flame holes 41 is 2N, the number of the thin flame holes 42 is N, and the thick flame holes 41 and the thin flame holes 42 form N flame hole groups a, each of which includes two thick flame holes 41 and one thin flame hole 42 located between the two thick flame holes 41, where N is an integer greater than 1.

It is easily understood that two thick flame holes 41 and one thin flame hole 42 between the two thick flame holes 41 constitute one fire hole group, and are uniformly distributed on the outer circumferential surface of the fire cover in a plurality of fire hole groups.

In addition, in other embodiments, there are fire hole groups that are uniformly arranged in other forms, for example, on the outer circumferential surface of the fire cover 40 in such a manner that one light flame fire hole 42 is disposed between two thick flame fire holes 41, in which case the number of the thick flame fire holes 41 and the light flame fire holes 42 is the same, as shown in fig. 5.

In one embodiment, the distance between the thick flame holes 41 and the edge of the thin flame holes 42 is 1-4 mm. The distance between the thick flame holes 41 and the edge of the thin flame holes 42 cannot be too close or too far, mainly to better ensure the flame transmission and the secondary air supplement.

In one embodiment, an inner ring mixing cavity 11 is further arranged on the burner 10, the inner ring mixing cavity 11 is located in the middle of the burner 10, an inner ring fire cover 30 covers the inner ring mixing cavity 11, and an inner ring fire hole 31 communicated with the inner ring mixing cavity 11 is arranged on the inner ring fire cover 30.

Constitute an vice cooking utensils combustor that is located the middle part after inner ring hybrid chamber 11 and the combination of inner ring fire lid 30, dense flame hybrid chamber 12, light flame hybrid chamber 13 and outer ring fire lid 40 constitute a main cooking utensils combustor after the combination, realize main cooking utensils combustor and vice cooking utensils combustor and arrange mutually through the combination of interior outer ring fire lid, combustion effect is better, and application scope is wider.

In one embodiment, the inner ring mixing chamber 11, the thick flame mixing chamber 12 and the thin flame mixing chamber 13 are coaxially arranged annular chambers and are sequentially arranged from inside to outside, and an air supplement gap 15 is reserved between the inner ring mixing chamber 11 and the thick flame mixing chamber 12.

In one embodiment, a secondary air supplement channel 14 is arranged on the burner 10, and the secondary air supplement channel 14 passes through the thick flame mixing cavity 12 and the thin flame mixing cavity 13 to communicate the outer side of the burner 10 with the air supplement gap 15. And the gas is secondarily mixed with the gas in the inner ring gas cavity mixing cavity 11, so that the gas is fully combusted, the heat efficiency is improved, and the energy is saved.

It is easily conceivable that 2-4 secondary air supplementary passages 14 are provided on the burner 10. Further, two secondary air supply passages 14 are preferably provided in the burner 10. The secondary air supplement channels 14 are uniformly distributed on the outer side surface of the burner 10, and the air is uniformly mixed with the fuel gas for the second time through the uniformly distributed secondary air supplement channels 14.

In one embodiment, the outer diameter of the burner 10 is between 100mm and 150 mm. Preferably 120mm to match most cooktop burners today.

In one embodiment, at least two injection pipes 20 are arranged on the furnace end 10, and each mixing cavity is correspondingly communicated with at least one injection pipe 20.

Specifically, in this embodiment, the sum of the numbers of the inner ring mixing cavity 11, the thick flame mixing cavity 12 and the thin flame mixing cavity 13 provided on the burner 10 is 3, the number of the injection pipes 20 is 3, and each injection pipe 20 corresponds to an independent mixing cavity.

In addition, in other embodiments, the number of the injection pipes 20 is greater than the sum of the number of the mixing cavities provided in the burner 10, and at this time, two or more injection pipes 20 may correspond to one mixing cavity.

In one embodiment, the injection pipe 20 is communicated with the mixing chamber after rising through an inclined curved surface, and the inclination angle of the inclined curved surface is 30-60 degrees. And smooth gas conveying is ensured through the inclined curved surface. Preferably, the inclined angle of the inclined curved surface between the injection pipe 20 and the inner ring mixing cavity 11 is 50 degrees, and the inclined angle of the inclined curved surface between the injection pipe 20 and the thick flame mixing cavity 12 or the thin flame mixing cavity 13 is 40 degrees.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A cooktop burner, comprising:

the burner comprises a burner (10), wherein a thick flame mixing cavity (12) and a light flame mixing cavity (13) are arranged on the burner (10);

the burner is characterized by comprising a fire cover (40) which covers the burner (10), wherein the outer annular surface of the fire cover (40) is provided with a plurality of thick flame fire holes (41) and a plurality of thin flame fire holes (42), the thick flame fire holes (41) and the thin flame fire holes (42) are arranged at different heights and are arranged in a staggered mode, the thick flame fire holes (41) are communicated with a thick flame mixing cavity (12), and the thin flame fire holes (42) are communicated with a thin flame mixing cavity (13).

2. Hob burner according to claim 1, characterized in that the thick flame holes (41) are above the thin flame holes (42), the thick flame holes (41) and the thin flame holes (42) being circumferentially distributed on the fire cover (40).

3. Hob burner according to claim 2, characterized in that the number of said thick flame holes (41) is 2N, the number of said thin flame holes (42) is N, said thick flame holes (41) and said thin flame holes (42) constitute N groups of flame holes, each group of flame holes comprising two thick flame holes (41) and one thin flame hole (42) located between two thick flame holes (41), N being an integer greater than 1.

4. Hob burner according to claim 2, characterized in that the distance of the hole edges of the thick flame holes (41) and the thin flame holes (42) is between 1-4 mm.

5. The stove burner according to claim 1, wherein an inner ring mixing cavity (11) is further arranged on the stove head (10), the inner ring mixing cavity (11) is located in the middle of the stove head (10), an inner ring fire cover (30) covers the inner ring mixing cavity (11), and an inner ring fire hole (31) communicated with the inner ring mixing cavity (11) is arranged on the inner ring fire cover (30).

6. The cooktop burner of claim 5, wherein: inner ring hybrid chamber (11), dense flame hybrid chamber (12) and light flame hybrid chamber (13) are the annular chamber of coaxial setting and set up in order from inside to outside, inner ring hybrid chamber (11) with leave air between dense flame hybrid chamber (12) and supply clearance (15).

7. Hob burner according to claim 6, characterized in that a secondary air supplementary channel (14) is provided on the burner (10), said secondary air supplementary channel (14) passing through the dense flame mixing chamber (12) and the weak flame mixing chamber (13) communicating the outside of the burner with the air supplementary gap (15).

8. Hob burner according to claim 1, characterized in that the outer diameter of the burner (10) is between 100mm-150 mm.

9. The stove burner according to claim 1, wherein at least two injection pipes (20) are arranged on the stove head (10), and each mixing cavity is at least correspondingly communicated with one injection pipe (20).

10. The stove burner of claim 9, wherein the injection pipe (20) is communicated with the mixing chamber after rising through an inclined curved surface, and the inclination angle of the inclined curved surface is 30-60 degrees.

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