CN107327845B

CN107327845B - Burner structure of gas stove and gas stove

Info

Publication number: CN107327845B
Application number: CN201710557170.3A
Authority: CN
Inventors: 任富佳; 陈六明; 徐新春
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2017-07-10
Filing date: 2017-07-10
Publication date: 2023-03-31
Anticipated expiration: 2037-07-10
Also published as: CN107327845A

Abstract

The invention relates to a burner structure of a gas stove and the gas stove, wherein the burner structure comprises a burner and a copper cover, wherein a double-layer mixing cavity is arranged on the outer ring of the head part of the burner, and a lower-layer mixing cavity forms a spiral structure along the anticlockwise direction of an outlet of a main injection pipe arranged on the burner; the upper mixing cavity is provided with three to five air outlets which are uniformly distributed in the anticlockwise direction and the areas of the air outlets are gradually increased; the copper cover is matched with the furnace end through a positioning device, so that a fire outlet hole on a boss arranged on the copper cover corresponds to an air inlet arranged on the furnace end, and a fire guiding groove arranged on the copper cover is staggered with an air outlet of the furnace end; the invention has the beneficial effects that: the copper cover of the burner can be fired uniformly and can stabilize flame, secondary air can be conveniently supplied to ensure that the combustion is more sufficient, and the heat efficiency is higher.

Description

Burner structure of gas stove and gas stove

Technical Field

The invention belongs to the technical field of household gas stoves, and particularly relates to a burner structure of a gas stove and the gas stove.

Background

Most of gas stoves in the current market use multiple air outlets of a stove head double-layer mixing cavity, and have the same size and structure, for example, the invention patent of Chinese patent number ZL201620248819.4 named as a burner for a gas stove discloses a burner with multiple air outlets having the same size and structure.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a burner structure of a gas stove and the gas stove, wherein the burner structure has the advantages of reasonable arrangement of a furnace end gas outlet, stable combustion and uniform flame length.

The invention aims to solve the technical scheme that the burner comprises a burner head and a copper cover, wherein a double-layer mixing cavity is arranged on the outer ring of the head part of the burner head, and a lower-layer mixing cavity is of a spiral structure along the outlet of a main injection pipe arranged on the burner head; three to five air outlets communicated with the lower-layer mixing cavity are uniformly distributed in the circumferential direction of the upper-layer mixing cavity, the area of each air outlet is gradually increased from the inlet of the main ejector pipe to the upward steam flow along the direction far away from the inlet of the ejector pipe, and an air inlet for supplementing air is arranged between every two adjacent air outlets; the copper cover is matched with the furnace end through the positioning device, so that the fire outlet hole in the boss on the copper cover corresponds to the air inlet in the furnace end, and the ignition groove in the copper cover is staggered with the air outlet in the furnace end.

Preferably, the included angle between the groove line formed by the ignition groove and the radius formed by the center of the air outlet and the center of the furnace end is 30-60 degrees.

Preferably, the relationship that the sectional area of the air outlet on the furnace end is gradually increased is as follows according to the proportion: 1:1.1-1.3:1.3-1.5:1.5-1.7:1.7-1.9.

Preferably, a positioning pin is arranged on the inner side of the outer edge of the copper cover.

Preferably, the furnace end is provided with a positioning hole matched with the positioning pin arranged on the copper cover.

Preferably, the inner ring of the copper cover is provided with four bosses, and the bosses are provided with double fire outlet holes.

Preferably, the furnace end is provided with four air inlets corresponding to the four fire outlets arranged on the copper cover.

Preferably, the furnace end is provided with a main injection pipe and an auxiliary injection pipe, the main injection pipe is an outer ring injection gas and air mixed gas channel, and the auxiliary injection pipe is an inner ring injection gas and air mixed gas channel.

Preferably, the auxiliary injection pipe on the furnace end is communicated with a central cavity positioned in the center of the furnace end.

A gas cooker comprising a burner arrangement as claimed in any one of the preceding claims.

The invention has the beneficial effects that:

1) The lower mixing cavity can ensure that mixed airflow is smoothly injected without backflow, and the gas outlet arranged in the upper mixing cavity can realize uniform fire distribution length of the copper cover and sufficient flame stabilization combustion;

2) The included angle between the copper cover and the furnace end is designed, so that flame transmission is facilitated, the combustion is sufficient, and the combustion at the optimal position is realized;

3) The cross-sectional area proportion between the gas outlets can realize more uniform gas distribution, uniform combustion of fire at the fire outlet and more uniform flame power distribution around the outer ring flame;

4) The boss is provided with double rows of fire outlet holes, so that the flame can be stabilized and fully combusted, and the successful transmission of the flame of the copper cover can be quickly realized;

5) The burner realizes uniform combustion and stable flame when the copper cover of the burner is fired, is convenient for secondary air supply to ensure more sufficient combustion and has higher thermal efficiency.

Drawings

Fig. 1 is a schematic perspective view of a burner of the present invention.

Fig. 2 is a schematic diagram of a front perspective structure of the copper lid of the present invention.

Fig. 3 is a schematic view of the reverse side of the copper cover of the present invention.

Fig. 4 is a schematic view of the copper core structure of the present invention.

Fig. 5 is a schematic view of the combined front view structure of the burner, the copper cap and the copper core of the present invention.

Fig. 6 is a schematic view of the cross-sectional structure of fig. 5D-D.

The reference numbers in the drawings are respectively: 1. a furnace end; 1-1, an upper mixing cavity; 1-2, an air outlet; 1-3, a main injection pipe; 1-4, an auxiliary injection pipe; 1-5, a lower layer mixing cavity; 1-6, a central cavity; 1-7, positioning holes; 1-8, an air inlet; 2. a copper cover; 2-1, a boss; 2-2, fire outlets; 2-3, positioning pins; 2-4 ignition grooves; 3. a copper core;

Detailed Description

The invention will be described in detail below with reference to the following drawings:

the first embodiment is as follows: as shown in attached figures 1 to 3, the burner structure of the gas stove comprises a burner 1 and a copper cover 2, wherein a double-layer mixing cavity is arranged on the outer ring of the head part of the burner 1, and a lower-layer mixing cavity 1-5 forms a spiral structure (as shown in attached figure 6) along the anticlockwise direction of an outlet of a main injection pipe 1-3 arranged on the burner 1, so that mixed gas flow is kept to be smoothly injected without backflow; the upper mixing cavity 1-1 is provided with three to five gas outlets 1-2 which are uniformly distributed in the anticlockwise direction and the areas of which are gradually increased, so that the uniform fire distribution length of the fire of the copper cover 2 is realized, and the stable flame is fully combusted; the copper cover 2 is matched with the furnace end 1 through a positioning device, so that the fire outlet 2-2 on the boss 2-1 arranged on the copper cover 2 corresponds to the air inlet 1-8 arranged on the furnace end 1, and the ignition groove 2-4 arranged on the copper cover 2 is staggered with the air outlet 1-2 of the furnace end 1.

Example two: in the above embodiment, the included angle between the radius formed by the ignition groove 2-4 and the center of the burner 1 and the radius formed by the center of the air outlet 1-2 and the center of the burner 1 is 30-60 degrees; the optimal included angle is 45 degrees, and the angle is the angle of combustion at the optimal position.

Example three: in the above embodiment, as shown in fig. 1, the relationship that the cross-sectional areas of the four air outlets 1-2 on the burner 1 are gradually increased is as follows according to the proportion: 1:1.1-1.3:1.3-1.5:1.5-1.7:1.7-1.9; namely, the cross sectional areas of the air outlets 1-2A, 1-2B, 1-2C and 1-2D of the air outlets 1-2B are 1.1-1.3 times of the cross sectional area of the air outlet 1-2A along the anticlockwise direction of the air inlet direction, the cross sectional area of the air outlet 1-2C is 1.3-1.5 times of the cross sectional area of the air outlet 1-2A, the cross sectional area of the air outlet 1-2D is 1.5-1.7 times of the cross sectional area of the air outlet 1-2A, and the specific proportion is 1:1.2:1.4:1.6. So can realize that the gas distribution is more even, goes out the fire mouth and goes out the even combustion of fire, and the flame power distribution around the outer loop flame is more even. Of course, if three air outlets are arranged, the proportional relationship is as follows 1:1.1-1.3:1.3-1.5:1.5-1.7.

Example four: in the above embodiment, as shown in fig. 3, the inner side of the outer edge of the copper cap 2 is provided with a positioning pin 2-3; the copper cover ignition groove 2-4 is staggered with the gas outlet 1-2 of the furnace end, so that flame transmission is facilitated, and the combustion is sufficient.

Example five: in the above embodiment, the furnace end 1 is provided with a positioning hole 1-7 matched with a positioning pin 2-3 arranged on the copper cover 2.

Example six: in the above embodiment, as shown in fig. 2, the inner ring of the copper cover 2 is provided with four bosses 2-1, and the bosses 2-1 are provided with two fire outlets 2-2; can stabilize flame and fully burn, and can quickly realize the successful transmission of the flame of the copper cover.

Example seven: in the above embodiment, the furnace end 1 is provided with four air inlets 1-8 corresponding to the four fire outlets 2-2 arranged on the copper cover 2; optimal position combustion is achieved.

Example eight: in the embodiment, the furnace end 1 is provided with the main injection pipe 1-3 and the auxiliary injection pipe 1-4, the main injection pipe 1-3 is an outer ring injection gas and air mixed gas channel, and the auxiliary injection pipe 1-4 is an inner ring injection gas and air mixed gas channel.

Example nine: in the embodiment, the auxiliary injection pipe 1-4 on the furnace end 1 is communicated with the central cavity 1-6 positioned at the central position of the furnace end 1; the inner ring is used for ejecting the gas-air mixed gas.

Example ten: in the above embodiment, the central cavity 1-6 has a copper core 3 placed thereon.

Example eleven: a gas range comprising the burner structure according to any one of the above embodiments.

It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.

Claims

1. The utility model provides a combustor structure of gas-cooker, includes furnace end (1), copper lid (2), its characterized in that: the outer ring of the head part of the furnace end (1) is provided with a double-layer mixing cavity, and the lower-layer mixing cavity (1-5) is in a spiral structure along the outlet of a main injection pipe (1-3) arranged on the furnace end (1); three to five air outlets (1-2) communicated with the lower-layer mixing cavity (1-5) are uniformly distributed in the circumferential direction of the upper-layer mixing cavity (1-1), the area of each air outlet (1-2) is gradually increased from the inlet of the main injection pipe to the air flow along the direction far away from the inlet of the injection pipe, and an air inlet (1-8) for supplementing air is arranged between every two adjacent air outlets (1-2); the copper cover (2) is matched with the furnace end (1) through a positioning device, so that a fire outlet (2-2) on a boss (2-1) arranged on the copper cover (2) corresponds to an air inlet (1-8) arranged on the furnace end (1), and a fire leading groove (2-4) arranged on the copper cover (2) is staggered with an air outlet (1-2) of the furnace end (1).

2. The burner structure of a gas range according to claim 1, wherein: and an included angle between a groove line formed by the ignition grooves (2-4) and a radius formed by the center of the air outlet (1-2) and the center of the furnace end (1) is 30-60 degrees.

3. The burner structure of a gas range according to claim 1, wherein: the relationship that the sectional areas of the air outlets (1-2) on the furnace end (1) are gradually increased is as follows according to the proportion: 1:1.1-1.3:1.3-1.5:1.5-1.7:1.7-1.9.

4. The burner structure of a gas range according to claim 1, wherein: and a positioning pin (2-3) is arranged on the inner side of the outer edge of the copper cover (2).

5. The burner structure of a gas range as set forth in claim 4, wherein: the furnace end (1) is provided with a positioning hole (1-7) which is matched with a positioning pin (2-3) arranged on the copper cover (2).

6. The burner structure of a gas range according to claim 1, wherein: the inner ring of the copper cover (2) is provided with four bosses (2-1), and the bosses (2-1) are provided with double fire outlet holes (2-2).

7. The burner structure of a gas range according to claim 6, wherein: the furnace end (1) is provided with four air inlets (1-8) corresponding to the four fire outlets (2-2) arranged on the copper cover (2).

8. The burner structure of a gas range according to claim 1, wherein: the burner (1) is provided with a main injection pipe (1-3) and an auxiliary injection pipe (1-4), the main injection pipe (1-3) is an outer ring injection gas and air mixed gas channel, and the auxiliary injection pipe (1-4) is an inner ring injection gas and air mixed gas channel.

9. The burner structure of a gas range as set forth in claim 8, wherein: the auxiliary injection pipe (1-4) on the furnace end (1) is communicated with a central cavity (1-6) positioned at the central position of the furnace end (1).

10. A gas stove is characterized in that: comprising a burner structure according to any one of claims 1 to 9.