Burner and electric flame stove

Abstract

The utility model discloses a furnace end which comprises a hearth wall and a plurality of plasma combustors arranged on the hearth wall, and further comprises a pot ring above the hearth wall, the hearth wall is a hollow wall formed by an outer wall and an inner wall; the multiple plasma combustors are evenly arranged around the inner wall, and the angle between each plasma combustor and the horizontal line ranges from 30 degrees to 60 degrees. A contraction air outlet is formed in the upper end of the pot ring and located above the common intersection point of the spraying directions of the multiple plasma combustors. When a plurality of electric flames collide at the gathering point, aerodynamic force can be obviously weakened, the movement speed of the collided electric flames is weakened, heat can be reserved at the gathering point for a long time, a wok is placed at a wok ring air outlet above the electric flame gathering point, and the heat energy heats the center of the wok bottom in a centralized mode.

Description

Technical Field

[0001] The utility model specifically relates to the field of electric flame stoves. Background Art

[0002] An electric flame stove uses the "electric flame" ejected by a plasma burner to heat a cooking pot, so that heat is transferred to food.

[0003] At present, for electric flame stoves, especially high-power electric flame stoves or commercial electric flame stoves, in order to increase the "firepower", a lot of plasma burners are added. In the prior art, the plasma burners are usually ejected upward. Since a safety distance needs to be set between the plasma burners, some plasma burners are arranged around the circumferential position of the bottom of the pot.

[0004] However, in the actual kitchen cooking process, the center of the bottom of the pot needs to concentrate heat to quickly heat the food to make the food have a good taste, while the edge of the frying pan itself lacks moisture or cooking oil for cooling. The plasma burners in the prior art heat the edge part of the bottom of the pot, making the edge part of the bottom of the pot more likely to be burnt. Summary of the Utility Model

[0005] The utility model aims to provide a technical solution that can solve the above problems to overcome the above deficiencies.

[0006] A burner head includes a furnace wall and a plurality of plasma burners arranged on the furnace wall. It is characterized in that it further includes a pot ring above the furnace wall; the furnace wall is a hollow wall formed by an outer wall and an inner wall, the outer wall and the inner wall are coaxial and both are pot-shaped; a plurality of plasma burners are evenly arranged around the inner wall, and a single plasma burner forms an angle of 30° to 60° with the horizontal line; the upper end of the pot ring is provided with a contracted air outlet, and the air outlet is located above the common intersection point of the ejection directions of the plurality of plasma burners;

[0007] Preferably, the plasma burner is composed of a flame ejection tube at its upper end and a ceramic tube at its lower end; the ceramic tube is arranged inside the furnace wall, and its lower end extends outward through the outer wall; the flame ejection tube passes through the inner wall and extends into the furnace;

[0008] Preferably, the ceramic tube is provided with a guide hole, and the guide hole communicates the plasma burner and the inside of the furnace wall;

[0009] Preferably, the ceramic tube is provided with an electrode pin, and a distance of at least 2 mm is preset between the upper end of the electrode pin and the flame ejection tube;

[0010] Preferably, the outer wall is provided with an air inlet, the air inlet is connected to an air intake fan, and the air intake fan communicates with the outside of the electric flame stove;

[0011] Preferably, a plurality of plasma burners are evenly arranged in two layers on the inner wall. The upper-layer plasma burners form an angle of 30° to 45° with the horizontal line, and the lower-layer plasma burners form an angle of 45° to 60° with the horizontal line.

[0012] Preferably, the common intersection point of the injection directions of the plurality of plasma burners lies on the axis of the inner wall.

[0013] The present utility model also provides an electric flame stove, including the burner head described in any one of the above items.

[0014] Compared with the prior art, the advantages of the present utility model are as follows: Each plasma burner of the present utility model injects an electric flame at an inclined angle, so that the heat can converge towards the position below the air outlet of the pot ring, enabling the heat energy to centrally heat the center of the bottom of the pot and effectively transfer the heat to the food.

[0015] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of Embodiment 1 of the present utility model.

[0018] Figure 2 It is a cross-sectional structural diagram of Embodiment 2 of the present utility model.

[0019] Figure 3 It is an exploded view of the plasma burner of the present utility model. Detailed Embodiments

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0022] In addition, in the description of the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] In addition, the technical features involved in different embodiments of the present utility model described subsequently can be combined with each other as long as they do not conflict with each other.

[0024] Please refer to Figures 1 - 2 , in an embodiment of the present utility model, a burner head includes a furnace wall 1 and a plurality of plasma burners 2 arranged on the furnace wall 1, and further includes a pot ring 3 above the furnace wall 1; the furnace wall 1 is a hollow wall formed by an outer wall 11 and an inner wall 12, and the outer wall 11 and the inner wall 12 are coaxial and both are pot-shaped; Embodiment

[0025] Each plasma burner 2 is arranged at an angle of 30 degrees to 60 degrees upward (taking the horizontal line as the 0-degree angle standard), and sprays an electric flame at an inclined angle, so that the heat can converge towards the axis position of the inner wall 12.

[0026] Taking stir-frying with a wok as an example, the electric flame with an inclined angle can make the heat converge more concentratedly at the center of the bottom of the pot. When multiple electric flames collide at this convergence point, the aerodynamic force will be significantly weakened, so that the movement speed of the collided electric flame is weakened, and the heat can be retained at the convergence point for a long time. The wok is placed at the air outlet of the pot ring 3 above the convergence point of the electric flame, so that the heat energy can be concentrated to heat the center of the bottom of the pot, and the vegetables and meats in the center of the wok can be stir-fried in a short time, which can not only retain the taste of the vegetables and meats, but also lock in their nutrients. Compared with a burner that sprays the flame vertically upward, it can transfer the heat to the food more effectively, rather than dispersing it to the pot wall or the surrounding environment.

[0027] Take frying steak in a frying pan as an example. The bottom of a frying pan is usually higher than that of a wok. When multiple electric flames collide at this point, the heat energy is concentrated at the point of convergence. The buoyancy of the air causes the heat to rise and spread to the bottom of the frying pan in a relatively uniform manner. The evenly distributed flames ensure that every area of the bottom of the frying pan receives relatively balanced heat. The edges and center of the steak can gradually change color and cook through under the even heat, so that the steak can present an ideal color and a crispy outside and tender inside texture, without the center being burnt while the edges are not yet cooked through. Example

[0028] The plurality of plasma burners 2 are evenly arranged in two layers on the inner wall 12, the upper plasma burner 21 is at an angle of 30° to 45° to the horizontal line, and the lower plasma burner 22 is at an angle of 45° to 60° to the horizontal line. The common intersection of the injection directions of the plurality of plasma burners 2 is on the axis of the inner wall 12. The upper plasma burner 21 and the lower plasma burner 22 are at different heights on the furnace inner wall 12 and have different inclination angles with the horizontal line. The flames of the burners on each layer extend along different trajectories in the furnace space and finally converge at a specific position near the center of the bottom of the pot to form a common flame convergence point.

[0029] like Figure 3 As shown, in another embodiment, the plasma burner 2 is composed of a flame-spraying tube 201 at its upper end and a ceramic tube 202 at its lower end; the ceramic tube 202 is arranged inside the furnace wall 1, and its lower end extends outward through the outer wall 11; the flame-spraying tube 201 extends toward the furnace through the inner wall 12. A guide hole 2021 is provided on the ceramic tube 202, and the guide hole 2021 connects the plasma burner 2 and the inside of the furnace wall 1. An electrode needle 203 is provided on the ceramic tube 202, and a distance of at least 2 mm is preset between the upper end of the electrode needle 203 and the flame-spraying tube 201. The outer wall 11 is provided with an air inlet 110, and the air inlet 110 is connected to the air intake fan 100, and the air intake fan 100 is connected to the outside of the electric flame stove.

[0030] The utility model also provides an electric flame stove, comprising any one of the above-mentioned burner heads.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A burner head, comprising a furnace wall and a plurality of plasma burners disposed on the furnace wall, characterized in that, It further includes a pot ring above the furnace wall; the furnace wall is a hollow wall formed by an outer wall and an inner wall, the outer wall and the inner wall are coaxial and both are pot-shaped; a plurality of plasma burners are evenly arranged around the inner wall, and a single plasma burner forms an angle of 30° to 60° with the horizontal line; the upper end of the pot ring is provided with a contracted air outlet, and the air outlet is located above the common intersection point of the injection directions of the plurality of plasma burners.

2. The burner head according to claim 1, wherein, The plasma burner is composed of a flame spraying pipe at its upper end and a ceramic pipe at its lower end; the ceramic pipe is arranged inside the furnace wall, and its lower end extends outwards through the outer wall; the flame spraying pipe passes through the inner wall and extends into the furnace.

3. The burner head according to claim 2, characterized in that, The ceramic pipe is provided with a guide hole, and the guide hole communicates the plasma burner and the inside of the furnace wall.

4. The burner head according to claim 3, characterized in that, The ceramic pipe is provided with an electrode pin, and there is a preset distance of at least 2 mm between the upper end of the electrode pin and the flame spraying pipe.

5. The burner head according to claim 1, characterized in that, The outer wall is provided with an air inlet, the air inlet is connected to an air intake fan, and the air intake fan communicates with the outside of the electric flame stove.

6. The burner head according to claim 1, wherein A plurality of plasma burners are evenly arranged in two layers on the inner wall, the upper-layer plasma burners form an angle of 30° to 45° with the horizontal line, and the lower-layer plasma burners form an angle of 45° to 60° with the horizontal line.

7. The burner head according to claim 6, wherein The common intersection point of the injection directions of the plurality of plasma burners is on the axis of the inner wall.

8. An electric flame stove, characterized in that, The electric flame stove includes the burner head according to any one of claims 1-7.

Images