CN223740787U - Burner - Google Patents

Abstract

This utility model discloses a burner, including a flame distributor with an outer ring flame groove, a gas supply groove, an inner ring flame groove, and a central channel, arranged sequentially from the outside to the inside. The bottom of the gas supply groove penetrates the bottom surface of the flame distributor, and the central channel also penetrates the bottom surface of the flame distributor. A first support column is provided on the bottom surface of the flame distributor. A burner head is provided with an outer ring ejector seat and an inner ring ejector seat. The outer ring ejector seat communicates with the outer ring flame groove, and the inner ring ejector seat communicates with the inner ring flame groove. A second support column is provided on the upper surface of the burner head. When the flame distributor is connected to the burner head, the first support column rests on the second support column. A gas supply gap communicating with the gas supply groove is formed between the lower surface of the flame distributor and the upper surface of the burner head. The gas pipe of the stove connects the outer ring ejector seat, the inner ring ejector seat, and the central channel. This utility model's burner can supplement air for gas combustion and ensure complete combustion during stir-frying.

Description

Burner

Technical Field

The utility model relates to the technical field of stoves, in particular to a combustor.

Background

The existing burner has the advantages that the gas is supplemented to the inner ring fire groove through the injection pipe, so that the gas supply amount of the gas in the inner ring fire groove is improved, but when the quick-frying operation is carried out, no additional air is supplemented, and the problems of insufficient combustion possibly occur due to insufficient gas although the gas is sufficient.

Disclosure of utility model

The utility model aims to provide a burner which is used for solving the technical problems.

The burner comprises a distributor, wherein the distributor is provided with an outer annular fire groove, an air supplementing groove, an inner annular fire groove and a central channel, the outer annular fire groove, the air supplementing groove, the inner annular fire groove and the central channel are sequentially arranged from outside to inside, the bottom of the air supplementing groove penetrates through the bottom surface of the distributor, the central channel penetrates through the bottom surface of the distributor, and a first support column is arranged on the bottom surface of the distributor;

The burner is provided with an outer ring injection seat and an inner ring injection seat, the outer ring injection seat is communicated with an outer ring fire groove, the inner ring injection seat is communicated with an inner ring fire groove, the upper surface of the burner is provided with a second support column, when the distributor is connected with the burner, the first support column is supported on the second support column, and an air supplementing gap communicated with an air supplementing groove is formed between the lower surface of the distributor and the upper surface of the burner;

wherein, the gas pipe of the kitchen range is communicated with the outer ring injection seat, the inner ring injection seat and the central channel.

According to one embodiment of the utility model, the burner is provided with a central through hole, the central through hole is aligned with the central passage, and a gas pipe of the stove passes through the central through hole and enters the central passage.

According to one embodiment of the utility model, the distributor is provided with an outer ring air inlet channel and an inner ring air inlet channel, the air inlet end of the outer ring air inlet channel is right opposite to the air outlet end of the outer ring injection seat, the air outlet end of the outer ring air inlet channel is communicated with the outer ring fire groove, the air inlet end of the inner ring air inlet channel is right opposite to the air outlet end of the inner ring injection seat, and the air outlet end of the inner ring air inlet channel is communicated with the inner ring fire groove.

According to one embodiment of the utility model, the bottom surface of the distributor comprises an outer ring bottom surface serving as the bottom of the outer ring fire groove and an inner ring bottom surface serving as the bottom of the inner ring fire groove, and the outer ring bottom surface and the inner ring bottom surface are connected through an outer ring air inlet channel and/or an inner ring air inlet channel.

According to one embodiment of the utility model, the stove further comprises an outer ring air supplementing channel, the outer ring injection seat is provided with an outer ring air supplementing injection seat, a bypass channel is arranged between the outer ring injection seat and the outer ring air supplementing injection seat, a gas pipe of the stove is communicated with an air inlet end of the outer ring injection seat, the outer ring injection seat is communicated with an air inlet end of the bypass channel, an air outlet end of the bypass channel is communicated with the air inlet end of the outer ring air supplementing injection seat, the air outlet end of the outer ring air supplementing injection seat is opposite to the air inlet end of the outer ring air supplementing channel, and the air outlet end of the outer ring air supplementing channel is communicated with the outer ring fire groove.

According to one embodiment of the utility model, the parts of the bottom surface of the outer ring of the bottom of the outer ring fire groove, which are aligned with the outer ring air inlet channel and the inner ring air inlet channel, are provided with supporting surfaces, and the outer ring injection seat and the inner ring injection seat support the distributor through the supporting surfaces.

According to one embodiment of the utility model, the outer ring air supplementing injection seat is provided with an electromagnetic valve, and the electromagnetic valve opens or closes the communication end of the bypass channel and the outer ring air supplementing injection seat.

According to one embodiment of the utility model, the outer ring air inlet channel and the outer ring air supplementing channel are symmetrically arranged, the bottom of the outer ring fire groove is the bottom surface of the outer ring, the bottom surface of the outer ring sinks downwards to form two air sinking grooves, and the air outlet ends of the outer ring air inlet channel and the outer ring air supplementing channel are respectively opposite to the two air sinking grooves.

According to one embodiment of the utility model, the inner ring fire cover is arranged on the central passage, the inner ring fire cover simultaneously covers the inner ring fire groove and the central passage, the inner ring fire hole is arranged on the side face of the inner ring fire cover, and the central fire hole is also arranged on the aligned part of the top face of the inner ring fire cover and the central passage.

According to one embodiment of the utility model, a third support column is arranged at the edge of the lower surface of the stove head and is supported in the shell of the stove.

Compared with the prior art, the burner provided by the utility model has at least the following advantages:

According to the burner disclosed by the utility model, the central channel penetrating through the bottom surface of the distributor and the air supplementing groove are arranged, and the air supplementing gap communicated with the central channel is arranged between the lower surface of the distributor and the upper surface of the burner, so that air is supplemented for combustion of fuel gas in the outer ring fire groove, the inner ring fire groove and the central channel in the cooking process, and when the quick-frying operation is performed, the fuel gas is introduced into the central channel through the fuel gas pipe of the stove, and when the fuel gas enters the central channel, the air wrapped with the air supplementing gap enters the central channel, so that the supplemented fuel gas and the air are fully mixed, and the fuel gas can be fully combusted in the quick-frying process.

The burner of the utility model forms a double air passage by arranging the outer ring air supplementing channel and the outer ring air inlet channel so as to uniformly disperse the fuel gas and fully burn the fuel gas by using the dispersion of the fuel gas, and controls the fuel gas quantity flowing from the outer ring air supplementing injection seat to the outer ring air supplementing injection seat through the bypass channel by arranging the electromagnetic valve on the outer ring air supplementing injection seat in a mode of opening or closing the electromagnetic valve.

Drawings

FIG. 1 is a schematic view of a burner according to the present utility model;

FIG. 2 is an exploded view of the burner of the present utility model;

FIG. 3 is a view showing the installation structure of an outer ring fire cover and an inner ring fire cover of the burner of the present utility model;

FIG. 4 is a top view of the distributor of the burner of the present utility model;

FIG. 5 is a bottom view of the distributor of the burner of the present utility model;

FIG. 6 is a schematic view of a burner of the present utility model;

fig. 7 is a partial cross-sectional view of a burner of the present utility model.

In the figure, 1, a distributor, a bottom surface of an outer ring, a1, a gas sinking groove, a2, a supporting surface, b, a bottom surface of an inner ring, 11, a fire groove of an outer ring, 12, a gas supplementing groove, 13, a fire groove of an inner ring, 14, a central channel, 15, a first supporting column, 16, an air inlet channel of an outer ring, 17, an air inlet channel of an inner ring, 18, a gas supplementing channel of an outer ring, 2, a furnace end, 21, an outer ring injection seat, 22, an inner ring injection seat, 23, a second supporting column, 24, a central through hole, 25, an outer ring gas supplementing injection seat, 26, a bypass channel, 27, a third supporting column, 3, a fire cover of an outer ring, 31, a fire hole of an outer ring, 4, a fire cover of an inner ring, 41, a fire hole of an inner ring, 42 and a fire hole of a center.

The implementation and advantages of the functions of the present utility model will be further described with reference to the accompanying drawings.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators (such as up, down, left and right, front and rear are used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture (as shown in the drawings) in the embodiment of the present utility model, if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth in order to provide a further understanding of the utility model, and are intended to be described in connection with the accompanying drawings:

The utility model discloses a burner for a kitchen range, referring to fig. 1 to 6, comprising:

The distributor 1 is provided with an outer annular fire groove 11, an air supplementing groove 12, an inner annular fire groove 13 and a central channel 14, wherein the outer annular fire groove 11, the air supplementing groove 12, the inner annular fire groove 13 and the central channel 14 are sequentially arranged from outside to inside, the bottom of the air supplementing groove 12 penetrates through the bottom surface of the distributor 1, the central channel 14 penetrates through the bottom surface of the distributor 1, and a first supporting column 15 is arranged on the bottom surface of the distributor 1;

The furnace end 2 is provided with an outer ring injection seat 21 and an inner ring injection seat 22, the outer ring injection seat 21 is communicated with the outer ring fire groove 11, the inner ring injection seat 22 is communicated with the inner ring fire groove 13, the upper surface of the furnace end 2 is provided with a second support column 23, when the distributor 1 is connected with the furnace end 2, the first support column 15 is supported on the second support column 23, and an air supplementing gap communicated with the air supplementing groove 12 is formed between the lower surface of the distributor 1 and the upper surface of the furnace end 2;

Wherein, the gas pipe of the kitchen range is communicated with the outer ring injection seat 21, the inner ring injection seat 22 and the central channel 14.

When the gas distributor is used, the furnace end 2 is arranged on a kitchen range with a stir-frying function and is respectively communicated with the outer ring injection seat 21 and the inner ring injection seat 22 through a gas pipe, then the distributor 1 is arranged on the furnace end 2, the outer ring injection seat 21 is communicated with the outer ring fire groove 11, the inner ring injection seat 22 is communicated with the inner ring fire groove 13, and simultaneously the gas pipe and the central channel 14 are communicated, at the moment, the corresponding first support column 15 is supported on the second support column 23, so that the distributor 1 is stably arranged, and meanwhile, a gas supplementing gap communicated with the gas supplementing groove 12 is formed between the lower surface of the distributor 1 and the upper surface of the furnace end 2.

In the normal cooking process, the gas is introduced into the outer annular fire groove 11 through the outer annular injection seat 21, so that the gas is combusted in the outer annular fire groove 11 to form outer annular fire, and meanwhile, the gas can be introduced into the inner annular fire groove 13 through the inner annular injection seat 22, so that the gas is combusted in the inner annular fire groove 13 to form inner annular fire, and the inner annular fire is combusted inside the outer annular fire. When the quick-frying is required, the gas pipe may be used to introduce the gas into the central passage 14, so that the gas burns in the central passage 14 to form a central fire, and the central fire burns inside the inner ring fire. Thus, in the cooking process, the central channel 14 penetrates through the bottom surface of the distributor 1, air enters the air supplementing groove 12 and the central channel 14 through the air supplementing gap between the lower surface of the distributor 1 and the upper surface of the furnace end 2, air is supplemented for gas combustion, when the quick-frying operation is carried out, gas is introduced into the central channel 14 through the gas pipe of the kitchen range, and when the gas enters the central channel 14, the air which is wrapped by the air supplementing gap enters the central channel 14, so that the supplemented gas and the air are fully mixed, and the gas combustion can be ensured to be full during the quick-frying.

In this embodiment, the outer ring fire groove 11, the air supplementing groove 12, the inner ring fire groove 13 and the central channel 14 are arranged in concentric circles, and the inner diameters of the outer ring fire groove 11, the air supplementing groove 12, the inner ring fire groove 13 and the central channel 14 are sequentially reduced, the air supplementing groove 12 surrounds the inner ring fire groove 13 and the central channel 14, and in the cooking process, air is continuously supplemented from the air supplementing groove 12, so that the gas at the positions of the outer ring fire groove 11 and the inner ring fire groove 13 can be fully combusted, and meanwhile, the air is continuously supplemented from the central channel 14, so that the gas at the position of the central channel 14 can be fully combusted.

Wherein the first support column 15 and the second support column 23 are distributed with at least two groups to ensure that the distributor 1 is stably supported. In the figure, the first support column 15 and the second support column 23 are shown as two groups, and are symmetrically distributed with respect to the center of the burner 2.

Referring to fig. 1 and 2, the burner 2 of the present utility model is provided with a central through hole 24, the central through hole 24 is aligned with the central passage 14, and a gas pipe of the burner passes through the central through hole 24 and enters the central passage 14.

When the distributor 1 is installed on the furnace end 2, the gas pipe of the kitchen range passes through the central through hole 24, and the end part of the gas pipe extends into the central channel 14, so that the communication between the gas pipe and the central channel 14 is realized. By providing the central through hole 24 for installation in the gas pipe, and the central through hole 24 is aligned with the central passage 14, the gas pipe is prevented from being bent.

According to Bernoulli's principle, when gas pipe is to blow out gas into central channel 14 during cooking, form low pressure region near its end of giving vent to anger, ambient air is inhaled into central channel 14 under the effect of pressure differential to mix with gas, thereby guarantee that the gas in central channel 14 carries out abundant burning.

Referring to fig. 4 and 5, the flame divider 1 of the present utility model is provided with an outer ring air inlet channel 16 and an inner ring air inlet channel 17, wherein the air inlet end of the outer ring air inlet channel 16 is right opposite to the air outlet end of the outer ring injection seat 21, the air outlet end of the outer ring air inlet channel 16 is communicated with the outer ring fire groove 11, the air inlet end of the inner ring air inlet channel 17 is right opposite to the air outlet end of the inner ring injection seat 22, and the air outlet end of the inner ring air inlet channel 17 is communicated with the inner ring fire groove 13.

In this embodiment, the air inlet end of the outer ring air inlet channel 16 is opposite to the air outlet end of the outer ring injection seat 21, the air inlet end of the inner ring air inlet channel 17 is opposite to the air outlet end of the inner ring injection seat 22, that is, a first gap is formed between the air inlet end of the outer ring air inlet channel 16 and the outer ring injection seat 21, a second gap is formed between the air inlet end of the inner ring air inlet channel 17 and the air outlet end of the inner ring injection seat 22, and the first gap and the second gap can be communicated with each other by using an air supplementing gap formed between the lower surface of the distributor 1 and the upper surface of the furnace end 2.

In the normal cooking process, the gas is introduced into the outer ring air inlet channel 16 through the outer ring injection seat 21, so that the gas burns in the outer ring fire groove 11 communicated with the outer ring air inlet channel 16 to form outer ring fire, and meanwhile, the gas can be introduced into the inner ring air inlet channel 17 through the inner ring injection seat 22, so that the gas burns in the inner ring fire groove 13 communicated with the inner ring air inlet channel 17 to form inner ring fire, and the inner ring fire burns inside the outer ring fire. In this process, the air is supplied to the first gap and the second gap by the air supply gap formed between the lower surface of the distributor 1 and the upper surface of the burner 2, and the air is supplied to the center passage 14 penetrating the bottom surface of the distributor 1 by the air supply gap at the same time, so that the gas entering into the outer ring air intake passage 16, the inner ring air intake passage 17, and the center passage 14 is a mixed gas of air and gas.

When the fuel gas is ejected from the air outlet ends of the outer ring injection seat 21 and the inner ring injection seat 22 at a high speed, a low pressure area is formed near the corresponding air outlet ends according to the Bernoulli principle, ambient air is sucked into the mixing channel between the air inlet ends and the air outlet ends under the action of pressure difference, namely, the first gap and the second gap, and then enters the corresponding outer ring air inlet channel 16 and the inner ring air inlet channel 17 together with the fuel gas, so that preliminary mixing is realized. By arranging the mixing channel, an initial mixing place is provided for the fuel gas and the air, the air and the fuel gas start to contact and mix in the channel space, a certain degree of turbulence is formed due to the high-speed flow of the fuel gas and the entrainment of the air, so that the fuel gas and the air can be more fully mutually permeated and mixed, a good condition is created for the subsequent full combustion in the combustion chamber, and simultaneously, the mixing channel is utilized for providing a margin for the thermal expansion of the components, and excessive stress generated between the components due to the thermal expansion is avoided, thereby preventing the components from deforming, damaging or affecting the normal supply of the fuel gas.

On the basis of the embodiment, the air inlet ends of the outer ring air inlet channel 16 and the inner ring air inlet channel 17 are in flaring structures so as to increase the opening area of the respective air inlet ends, enable more air to enter the pipelines under the injection effect of gas jet flow, provide sufficient oxygen for the full combustion of the gas so as to achieve better combustion effect, enable the air to enter the pipelines to be smoother, reduce airflow resistance and turbulence, enable the gas to flow at a high speed in a low-pressure area formed at the flaring according to Bernoulli principle, enable the air to be injected more efficiently, enable the air to have larger contact area and more sufficient contact time with the gas after the air enters the corresponding pipelines, facilitate the more uniform mixing of the air and the gas, enable the combustion to be more sufficient and stable, improve the combustion efficiency, reduce pollutant generation, facilitate the maintenance of relatively stable mixing proportion of the gas and the air, enable the combustion process to be closer to an ideal state, improve the performance and stability of the burner, reduce the problems of insufficient combustion, unstable flame and the like caused by fluctuation of the mixing proportion, enable the flaring to be provided with a larger tolerance range during installation, enable the flaring structure to be capable of compensating the dimension deviation and the installation accuracy to be improved even though the dimensional deviation and the installation position deviation and the installation accuracy are small in the installation process.

And, the internal diameter of the air outlet end of outer loop air inlet channel 16 and inner loop air inlet channel 17 all increases gradually to reduce the resistance when gas is discharged, reduce exhaust backpressure, and make gas discharge velocity relatively stable and moderate, reduced the risk of tempering, great air outlet end diameter can make the exhaust air current more stable, reduces fluctuation and the turbulent flow of air current, is favorable to the stability of follow-up combustion process, makes the flame more stable, burns more evenly, reduces the incomplete, flame flicker scheduling problem of burning that leads to because of the air current is unstable.

Referring to fig. 4 and 5, the bottom surface of the distributor 1 of the burner of the present utility model includes an outer ring bottom surface a as the bottom of the outer ring fire groove 11 and an inner ring bottom surface b as the bottom of the inner ring fire groove 13, which are connected by an outer ring air intake passage 16 and/or an inner ring air intake passage 17.

In this embodiment, the outer ring bottom surface a has a circular plate structure, the inner ring bottom surface b has a circular plate structure, and the inner diameter of the outer ring bottom surface a is larger than the diameter of the inner ring bottom surface b, so that a gas supplementing space communicating with the gas supplementing groove 12 is formed between the outer ring bottom surface a and the inner ring bottom surface b. During cooking, air may enter the air make-up tank 12 from the air make-up space to supplement the air for gas combustion.

At least one of the outer ring air inlet channel 16 and the inner ring air inlet channel 17 is connected with the outer ring bottom surface a and the inner ring bottom surface b at the same time, so that the outer ring fire groove 11 and the inner ring fire groove 13 are connected to form a whole under the connection effect of the outer ring air inlet channel 16 and the inner ring air inlet channel 17, and the structural stability of the distributor 1 is ensured. Either one of the outer ring air intake passage 16 and the inner ring air intake passage 17 is connected to both the outer ring bottom surface a and the inner ring bottom surface b as one of the parallel arrangement, and both the outer ring air intake passage 16 and the inner ring air intake passage 17 are connected to both the outer ring bottom surface a and the inner ring bottom surface b as the second parallel arrangement.

The burner of the present utility model, please refer to fig. 1 to 7, further includes an outer ring air supplementing channel 18, the outer ring injection seat 21 is provided with an outer ring air supplementing injection seat 25, a bypass channel 26 is provided between the outer ring injection seat 21 and the outer ring air supplementing injection seat 25, a gas pipe of the burner is communicated with an air inlet end of the outer ring injection seat 21, the outer ring injection seat 21 is communicated with an air inlet end of the bypass channel 26, an air outlet end of the bypass channel 26 is communicated with an air inlet end of the outer ring air supplementing injection seat 25, the air outlet end of the outer ring air supplementing injection seat 25 faces the air inlet end of the outer ring air supplementing channel 18, and the air outlet end of the outer ring air supplementing channel 18 is communicated with the outer ring fire groove 11.

In this embodiment, the air outlet end of the outer ring air-supplementing injection seat 25 is opposite to the air inlet end of the outer ring air-supplementing channel 18, so that a third gap is formed between the air outlet end of the outer ring air-supplementing injection seat 25 and the air inlet end of the outer ring air-supplementing channel 18, and the third gap is communicated with the air-supplementing gap.

In the cooking process, gas is introduced into the outer ring injection seat 21 through a gas pipe, part of the gas can enter the bypass channel 26 and be sprayed out through the outer ring gas supplementing injection seat 25, the gas sprayed out from the gas outlet end of the outer ring gas supplementing injection seat 25 enters the outer ring gas supplementing channel 18, and then the gas and air are supplemented into the outer ring fire groove 11 through the outer ring gas supplementing channel 18, so that flame formed in the outer ring fire groove 11 burns more fully. Specifically, when the gas is ejected from the gas outlet end of the outer ring gas-supplementing injection seat 25 at a high speed, a low pressure area is formed near the corresponding gas outlet end according to the bernoulli principle, ambient air is sucked into a third gap between the gas outlet end of the outer ring gas-supplementing injection seat 25 and the outer ring gas-supplementing channel 18 under the action of pressure difference, and then enters the corresponding outer ring gas-supplementing channel 18 together with the gas, so that preliminary mixing is realized. By setting the third gap, an initial mixing place is provided for the fuel gas and the air, the air and the fuel gas start to contact and mix in the channel space, a certain degree of turbulence is formed due to the high-speed flow of the fuel gas and the entrainment of the air, so that the fuel gas and the air can be more fully mutually permeated and mixed, a good condition is created for subsequent full combustion in a combustion chamber, and simultaneously, the mixing channel is utilized for providing a margin for the thermal expansion of the components, and excessive stress generated between the components due to the thermal expansion is avoided, thereby preventing the components from deforming, damaging or affecting the normal supply of the fuel gas.

On the basis of the embodiment, the outer ring air supplementing channel 18 and the outer ring air inlet channel 16 are symmetrically arranged relative to the center of the distributor 1, and the air outlet ends of the two air supplementing channels and the air inlet channel are the same, so that the fuel gas led in from the outer ring injection seat 21 is divided into two parts and enters the outer ring fire groove 11, the outer ring fire groove 11 burns and forms uniform flame, and meanwhile, the full burning effect of the fuel gas is improved by using the dispersion of the fuel gas.

And the outer ring air supplementing channel 18 and the outer ring air inlet channel 16 have the same structure, namely, the air inlet end of the outer ring air supplementing channel 18 is in a flaring structure so as to increase the opening area of the air inlet end, so that more air can enter the pipeline under the injection effect of the gas jet flow, and sufficient oxygen is provided for full combustion of the gas, so that a better combustion effect is achieved. And the inner diameter of the air outlet end of the outer ring air supplementing channel 18 is gradually increased to reduce the resistance of the air in discharging, reduce the back pressure of the air, ensure that the air discharging speed is relatively stable and moderate, reduce the risk of tempering, ensure that the discharged air flow is more stable, reduce the fluctuation and turbulence of the air flow, be favorable for the stability of the subsequent combustion process, ensure that the flame is more stable and more uniform in combustion, and reduce the problems of incomplete combustion, flame flickering and the like caused by unstable air flow.

Referring to fig. 5 and 6, the parts of the outer ring bottom surface a of the bottom of the outer ring fire groove 11, which are aligned with the outer ring air inlet channel 16 and the inner ring air inlet channel 17, are provided with a supporting surface a2, and the outer ring injection seat 21 and the inner ring injection seat 22 support the distributor 1 through the supporting surface a 2.

When the distributor 1 is installed on the furnace end 2, the outer ring injection seat 21 and the inner ring injection seat 22 support the distributor 1 through the supporting surface a2 at the same time, so that stable installation of the distributor 1 is ensured, the air outlet end of the outer ring injection seat 21 is opposite to the air inlet end of the outer ring air inlet channel 16, and the air outlet end of the inner ring injection seat 22 is opposite to the air inlet end of the inner ring air inlet channel 17.

Referring to fig. 7, the outer ring air supplementing injection seat 25 is provided with an electromagnetic valve, and the electromagnetic valve opens or closes the communication end between the bypass channel 26 and the outer ring air supplementing injection seat 25.

In the process of simultaneously supplementing fuel gas into the outer ring fire groove 11 through the outer ring injection seat 21 and the outer ring air supplementing injection seat 25 so as to perform cooking operation, the amount of fuel gas flowing from the outer ring injection seat 21 to the outer ring air supplementing injection seat 25 through the bypass channel 26 can be controlled by opening or closing the electromagnetic valve. Under different working conditions, such as when the equipment is in low-power operation or high-power requirement, the amount of fuel gas supplemented to the outer ring fire groove 11 can be accurately adjusted so as to ensure that the combustion effect is optimal, ensure that the energy output meets the requirement, and avoid fuel gas waste. When the system detects abnormal conditions such as gas leakage, overhigh pressure or other potential safety hazards, the electromagnetic valve can be rapidly closed, and the communication between the bypass channel 26 and the outer ring air supplementing injection seat 25 is cut off, so that the continuous supply of gas is prevented, possible safety accidents are avoided, and the safety of equipment and personnel is ensured.

Referring to fig. 4, in the burner of the present utility model, an outer ring air inlet channel 16 and an outer ring air supplementing channel 18 are symmetrically arranged, the bottom of an outer ring fire groove 11 is an outer ring bottom surface a, and the outer ring bottom surface a sinks downwards to form two air sinking grooves a1, and air outlet ends of the outer ring air inlet channel 16 and the outer ring air supplementing channel 18 are respectively opposite to the two air sinking grooves a 1.

The outer ring air supplementing channel 18 and the outer ring air inlet channel 16 are symmetrically arranged relative to the center of the distributor 1, so that the fuel gas introduced from the outer ring injection seat 21 is divided into two parts and enters the outer ring fire groove 11, the outer ring fire groove 11 is combusted and forms uniform flame, and meanwhile, the full combustion effect of the fuel gas is improved by using the dispersion of the fuel gas.

In the cooking process, the mixed gas of air and fuel gas indirectly enters the outer ring fire groove 11 from the outer ring air inlet channel 16 and the outer ring air supplementing channel 18, and the opposite air sinking groove a1 can guide the air flow to flow downwards, so that the air flow forms certain disturbance and reflux at the air sinking groove a1, thereby promoting the fuel gas to be more fully mixed with the air, creating conditions for more complete combustion, improving the combustion efficiency and enabling the combustion to release more heat. The gas settling tank a1 can form a relatively stable area in and around the gas settling tank a1, when the mixed gas flows towards the gas settling tank a1, a low-speed backflow area is formed, and part of high-temperature combustion products can be reserved in the area, so that an ignition source is continuously provided for the subsequent combustible mixed gas, flame can be ensured to be kept stable under various working conditions, and the phenomena of flickering, jumping and even extinguishing of the flame are prevented. In addition, in the combustion process, the fuel gas possibly carries some impurities, and at the same time, high-temperature gas generated by combustion possibly forms condensate in the cooling process, and the gas settling tank a1 is positioned at the bottom of the outer ring fire tank 11, so that the impurities and the condensate can be collected, can be prevented from flowing around in the outer ring fire tank 11, the interference to the combustion process is avoided, the problems of corrosion, blockage and the like of the outer ring fire tank 11 caused by the impurities and the condensate are prevented, and the normal operation of the system is ensured.

Referring to fig. 1 to 3, the burner of the present utility model further includes an outer ring fire cover 3 and an inner ring fire cover 4, wherein the outer ring fire cover 3 is arranged on the outer ring fire groove 11, the outer ring fire cover 3 is provided with an outer ring fire hole 31, the inner ring fire cover 4 covers the inner ring fire groove 13 and the central channel 14 at the same time, the side surface of the inner ring fire cover 4 is provided with an inner ring fire hole 41, and the aligned part of the top surface of the inner ring fire cover 4 and the central channel 14 is also provided with a central fire hole 42.

In the cooking process, the outer ring fire cover 3, the inner ring fire cover 4 are matched with the outer ring fire grooves 11, the inner ring fire grooves 13 and the central channel 14 at different positions, so that three sections of different flame areas of the outer ring, the inner ring and the center are formed. The flame size and the flame intensity of different areas can be respectively controlled according to actual demands, so that the fine adjustment of combustion is realized. For example, during cooking, the outer ring fire groove 11 and/or the inner ring fire groove 13 can be used for outputting small flames through the outer ring fire hole 31 and/or the inner ring fire hole 41 only during low-fire slow stewing, and when large-fire quick frying is needed, the outer ring fire groove 11, the inner ring fire groove 13 and the central channel 14 can be simultaneously opened, and larger and stronger flames can be output through the outer ring fire hole 31, the inner ring fire hole 41 and the central fire hole 42. The outer ring fire groove 11, the inner ring fire groove 13, the central channel 14 and the corresponding fire cover and fire hole are matched with each other, so that heat can be distributed more uniformly in the area above the burner. The outer ring flame can cover a larger area, plays roles in auxiliary heating and heat balance on the inner ring and the central area, avoids the condition of central overheating and insufficient edge temperature, ensures that a heated object can obtain more uniform heat on the whole surface, and improves heating quality and efficiency.

The outer ring fire cover 3 and the inner ring fire cover 4 limit the flame in the range of a specific fire groove and a specific fire hole, so that the flame is effectively prevented from randomly spreading and channeling outwards, and the risk of fire caused by the fact that the flame contacts with surrounding inflammables is reduced. In particular in kitchen environments, various inflammable substances may be present around, which design ensures safety during use. Simultaneously, outer ring fire groove 11, inner ring fire groove 13 and central channel 14, outer ring fire lid 3 and inner ring fire lid 4 work cooperatively each other, have formed a stable combustion system, when the combustion state in certain fire groove or fire hole receives external factor interference, the flame in other fire grooves and fire hole can play certain compensation and stabilization, maintain the stability of whole combustion process, ensure that the combustor can continuously, stably export heat, improved the reliability and the operating efficiency of combustor.

Referring to fig. 2 and 7, the edge of the lower surface of the burner 2 is provided with a third support column 27, and the third support column 27 is supported in the housing of the stove.

When the burner 2 is installed, the third support column 27 is supported in the housing of the stove. At least two third support columns 27 are uniformly distributed to ensure stable installation of the furnace end 2.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A burner for a cooktop, comprising:

The distributor (1) is provided with an outer annular fire groove (11), an air supplementing groove (12), an inner annular fire groove (13) and a central channel (14), wherein the outer annular fire groove (11), the air supplementing groove (12), the inner annular fire groove (13) and the central channel (14) are sequentially arranged from outside to inside, the bottom of the air supplementing groove (12) penetrates through the bottom surface of the distributor (1), the central channel (14) penetrates through the bottom surface of the distributor (1), and a first supporting column (15) is arranged on the bottom surface of the distributor (1);

The burner (2) is provided with an outer ring injection seat (21) and an inner ring injection seat (22), the outer ring injection seat (21) is communicated with the outer ring fire groove (11), the inner ring injection seat (22) is communicated with the inner ring fire groove (13), a second support column (23) is arranged on the upper surface of the burner (2), when the distributor (1) is connected with the burner (2), the first support column (15) is supported on the second support column (23), and an air supplementing gap communicated with the air supplementing groove (12) is formed between the lower surface of the distributor (1) and the upper surface of the burner (2);

Wherein, the gas pipe of the kitchen range is communicated with the outer ring injection seat (21), the inner ring injection seat (22) and the central channel (14).

2. Burner according to claim 1, characterized in that the burner (2) is provided with a central through hole (24), which central through hole (24) is aligned with the central channel (14), the gas pipe of the hob entering the central channel (14) through the central through hole (24).

3. Burner according to claim 1, characterized in that the distributor (1) is provided with an outer ring air inlet channel (16) and an inner ring air inlet channel (17), the air inlet end of the outer ring air inlet channel (16) is opposite to the air outlet end of the outer ring injection seat (21), the air outlet end of the outer ring air inlet channel (16) is communicated with the outer ring fire groove (11), the air inlet end of the inner ring air inlet channel (17) is opposite to the air outlet end of the inner ring injection seat (22), and the air outlet end of the inner ring air inlet channel (17) is communicated with the inner ring fire groove (13).

4. A burner according to claim 3, characterized in that the bottom surface of the distributor (1) comprises an outer ring bottom surface (a) as the bottom of the outer ring fire groove (11) and an inner ring bottom surface (b) as the bottom of the inner ring fire groove (13), which outer ring bottom surface (a) and inner ring bottom surface (b) are connected by means of the outer ring air inlet channel (16) and/or the inner ring air inlet channel (17).

5. A burner according to claim 3, further comprising an outer ring air supplementing channel (18), wherein the outer ring air supplementing injection seat (21) is provided with an outer ring air supplementing injection seat (25), a bypass channel (26) is arranged between the outer ring air supplementing injection seat (21) and the outer ring air supplementing injection seat (25), a fuel gas pipe of the kitchen range is communicated with an air inlet end of the outer ring air supplementing injection seat (21), the outer ring air supplementing seat (21) is communicated with the air inlet end of the bypass channel (26), an air outlet end of the bypass channel (26) is communicated with the air inlet end of the outer ring air supplementing injection seat (25), the air outlet end of the outer ring air supplementing injection seat (25) is opposite to the air inlet end of the outer ring air supplementing channel (18), and the air outlet end of the outer ring air supplementing channel (18) is communicated with the outer ring fire groove (11).

6. Burner according to claim 4, wherein the parts of the outer ring bottom surface (a) of the bottom of the outer ring fire groove (11) aligned with the outer ring air inlet channel (16) and the inner ring air inlet channel (17) are provided with supporting surfaces (a 2), and the outer ring injection seat (21) and the inner ring injection seat (22) support the distributor (1) through the supporting surfaces (a 2).

7. Burner according to claim 5, characterized in that the outer ring air supplementing injection seat (25) is provided with a solenoid valve which opens or closes the communication end of the bypass channel (26) with the outer ring air supplementing injection seat (25).

8. The burner according to claim 5, wherein the outer ring air inlet channel (16) and the outer ring air supplementing channel (18) are symmetrically arranged, the bottom of the outer ring fire groove (11) is an outer ring bottom surface (a), the outer ring bottom surface (a) sinks downwards to form two air sinking grooves (a 1), and the air outlet ends of the outer ring air inlet channel (16) and the outer ring air supplementing channel (18) are respectively opposite to the two air sinking grooves (a 1).

9. Burner according to any one of claims 1-8, further comprising an outer ring fire cover (3) and an inner ring fire cover (4), wherein the outer ring fire cover (3) is arranged on the outer ring fire groove (11), an outer ring fire hole (31) is arranged on the outer ring fire cover (3), the inner ring fire cover (4) covers the inner ring fire groove (13) and the central channel (14) simultaneously, an inner ring fire hole (41) is arranged on the side surface of the inner ring fire cover (4), and a central fire hole (42) is arranged on the aligned part of the top surface of the inner ring fire cover (4) and the central channel (14).

10. Burner according to any of claims 1-8, characterized in that the lower surface edge of the burner (2) is provided with a third support column (27), which third support column (27) is supported in the housing of the hob.