阅读说明：本技术 一种红外燃烧器 (Infrared burner ) 是由 刘凯 陈琦 潘叶江 于 2020-11-10 设计创作，主要内容包括：本发明公开了一种红外燃烧器,包括炉头和燃烧板,所述炉头设有复数个具有向上开口的内环气腔和至少一个具有向上开口的外环气腔,所述内环气腔和所述外环气腔沿径向方向交错布置,所述燃烧板设置于所述炉头上,并且所述燃烧板覆盖所述内环气腔和外环气腔的开口。本发明的红外燃烧器,可形成沿径向方向交错布置的复数个小火燃烧区域和至少一个大火燃烧区域,相比于现有小火集中在径向内侧的红外燃烧器,小火燃烧区域总面积更大并且分布更均匀,可避免小火火力过于集中在径向内侧,有效解决了现有小火火力过于集中在径向内侧而造成食物加热不均匀的问题,提升用户的烹饪体验。(The invention discloses an infrared burner, which comprises a burner head and a combustion plate, wherein the burner head is provided with a plurality of inner ring air cavities with upward openings and at least one outer ring air cavity with upward openings, the inner ring air cavities and the outer ring air cavities are arranged in a staggered manner along the radial direction, the combustion plate is arranged on the burner head, and the combustion plate covers the openings of the inner ring air cavities and the outer ring air cavities. Compared with the existing infrared burner with small fire concentrated on the radial inner side, the infrared burner provided by the invention has the advantages that the total area of the small fire combustion areas is larger and the distribution is more uniform, the small fire firepower is prevented from being excessively concentrated on the radial inner side, the problem of uneven food heating caused by the fact that the existing small fire firepower is excessively concentrated on the radial inner side is effectively solved, and the cooking experience of a user is improved.)

1. An infrared burner comprises a burner head (1) and a combustion plate (2), and is characterized in that the burner head (1) is provided with a plurality of inner ring air cavities (11) with upward openings and at least one outer ring air cavity (12) with upward openings, the inner ring air cavities (11) and the outer ring air cavities (12) are arranged in a staggered mode along the radial direction, the combustion plate (2) is arranged on the burner head (1), and the combustion plate (2) covers the openings of the inner ring air cavities (11) and the outer ring air cavities (12).

2. An infrared burner according to claim 1, characterized in that the number of said inner ring air chambers (11) is equal to the number of said outer ring air chambers (12), the inner ring air chambers (11) being arranged radially inside the burner head (1) and the outer ring air chambers (12) being arranged radially outside the burner head (1);

or the number of the inner ring air cavities (11) is larger than that of the outer ring air cavities (12), the inner ring air cavities (11) close to the inner side and the inner ring air cavities (11) close to the outer side are respectively arranged on the radial inner side and the radial outer side of the burner (1), and the outer ring air cavities (12) are arranged between two adjacent inner ring air cavities (11).

3. The infrared burner according to claim 1, wherein all the inner ring air cavities (11) are respectively communicated with different inner ejector pipes; or a plurality of first air passages (110) are arranged on the furnace end (1), the first air passages (110) penetrate through the outer ring air cavities (12) between the inner ring air cavities (11), all the inner ring air cavities (11) are respectively communicated with the first air passages (110), and one of the inner ring air cavities (11) is communicated with the inner ejector pipe.

4. The infrared burner according to claim 3, wherein the number of the inner ring air cavities (11) is two, the number of the outer ring air cavities (12) is one, and one outer ring air cavity (12) is located between the two inner ring air cavities (11) and communicates with the outer ejector tube.

5. The infrared burner according to claim 3, characterized in that the number of the inner ring air cavities (11) and the outer ring air cavities (12) is at least two, and all the outer ring air cavities (12) are respectively communicated with different outer ejector pipes;

or the number of the inner ring air cavities (11) and the number of the outer ring air cavities (12) are at least two, a plurality of second air passages (120) are arranged on the furnace end (1), the second air passages (120) penetrate through the inner ring air cavities (11) between the outer ring air cavities (12), all the outer ring air cavities (12) are respectively communicated with the second air passages (120), and one outer ring air cavity (12) is communicated with an outer ejector pipe.

6. An infrared burner according to claim 4 or 5, characterized in that the bottom of the burner head (1) is provided with a first air inlet portion (101) and a second air inlet portion (102) which protrude outwards, the inlet of the first air inlet portion (101) is communicated with an inner ejector tube, the outlet of the first air inlet portion (101) is communicated with one of the inner ring air chambers (11), the inlet of the second air inlet portion (102) is communicated with an outer ejector tube, and the outlet of the second air inlet portion (102) is communicated with one of the outer ring air chambers (12).

7. An infrared burner according to claim 6, characterized in that said first air intake portion (101) and said second air intake portion (102) are each integrally formed with said burner head (1).

8. An infrared burner according to claim 6, characterized in that the bottom of said burner head (1) is provided with inwardly recessed mounting cavities (103) at the positions corresponding to the inlet of said first intake portion (101) and the inlet of said second intake portion (102), respectively.

9. An infrared burner according to claim 1, characterized in that at least one middle annular chamber with an upward opening is provided in the outer annular air chamber (12), or a middle annular chamber is provided between the adjacent inner annular air chamber (11) and the outer annular air chamber (12).

10. The infrared burner according to claim 9, wherein all the medium annular chambers are respectively communicated with different medium ejector pipes; or the furnace end (1) is provided with a plurality of third air passages, all the middle air cavity is respectively communicated with the third air passages, and one of the middle air cavity is communicated with the middle ejector pipe.

Technical Field

The invention relates to the technical field of cooking utensils, in particular to an infrared burner.

Background

The infrared stove is more and more popular with consumers because of higher thermal efficiency and better heating uniformity, the fire power of the infrared stove is divided into a big fire outside and a small fire inside, the infrared stove is heated mainly by heat radiation, and the fire power of the small fire is excessively concentrated on the inside. Big fire is suitable for quick-frying, medium fire is suitable for cooking, but in the use scene that needs the culinary art of small fire such as small fire pancake, small fire fried egg, the food that middle small fire ring territory firepower is too big is easily burnt, and other regional food are difficult to be ripe, influence user's culinary art experience.

Disclosure of Invention

The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore the invention provides the infrared burner which has a larger small fire distribution area, ensures that the small fire power is more uniformly distributed in the radial direction and the circumferential direction, has better cooking experience, and solves the problem of nonuniform food heating caused by the fact that the existing small fire power is excessively concentrated on the radial inner side.

According to the infrared burner provided by the above, the following technical scheme is adopted to realize the following:

an infrared burner comprises a burner head and a combustion plate, wherein the burner head is provided with a plurality of inner ring air cavities with upward openings and at least one outer ring air cavity with upward openings, the inner ring air cavities and the outer ring air cavities are arranged in a staggered mode along the radial direction, the combustion plate is arranged on the burner head, and the combustion plate covers the openings of the inner ring air cavities and the outer ring air cavities.

In some embodiments, the number of the inner ring air cavities is equal to the number of the outer ring air cavities, the inner ring air cavities are arranged on the radial inner side of the burner head close to the inner ring air cavities, and the outer ring air cavities are arranged on the radial outer side of the burner head close to the outer ring air cavities; or the number of the inner ring air cavities is larger than that of the outer ring air cavities, the inner ring air cavities close to the inner ring and the inner ring air cavities close to the outer ring are respectively arranged on the radial inner side and the radial outer side of the burner, and the outer ring air cavities are arranged between two adjacent inner ring air cavities.

In some embodiments, all of the inner ring air cavities are respectively communicated with different inner ejector pipes; or a plurality of first air passages are arranged on the furnace end, the first air passages penetrate through the outer ring air cavities between the inner ring air cavities, all the inner ring air cavities are respectively communicated with the first air passages, and one of the inner ring air cavities is communicated with the inner ejector pipe.

In some embodiments, the number of the inner ring air cavities is two, the number of the outer ring air cavities is one, and one outer ring air cavity is located between the two inner ring air cavities and communicated with the outer ejector pipe.

In some embodiments, the number of the inner ring air cavities and the number of the outer ring air cavities are at least two, and all the outer ring air cavities are respectively communicated with different outer ejector pipes; or the number of the inner ring air cavities and the number of the outer ring air cavities are at least two, a plurality of second air passages are arranged on the furnace end, the second air passages penetrate through the inner ring air cavities between the outer ring air cavities, all the outer ring air cavities are respectively communicated with the second air passages, and one of the outer ring air cavities is communicated with the outer ejector pipe.

In some embodiments, the bottom of the burner is provided with a first air inlet portion and a second air inlet portion protruding outwards, an inlet of the first air inlet portion is communicated with the inner ejector tube, an outlet of the first air inlet portion is communicated with one of the inner annular air cavities, an inlet of the second air inlet portion is communicated with the outer ejector tube, and an outlet of the second air inlet portion is communicated with one of the outer annular air cavities.

In some embodiments, the first air inlet portion and the second air inlet portion are each integrally formed with the burner.

In some embodiments, the bottom of the burner is provided with inwardly recessed mounting cavities at positions corresponding to the first inlet and the second inlet, respectively.

In some embodiments, at least one middle annular air cavity with an upward opening is arranged in the outer annular air cavity, or a middle annular air cavity is arranged between the adjacent inner annular air cavity and the outer annular air cavity.

In some embodiments, all the medium annular cavities are respectively communicated with different medium ejector pipes; or the furnace end is provided with a plurality of third air passages, all the middle air cavity is respectively communicated with the third air passages, and one middle air cavity is communicated with the middle ejector pipe.

Compared with the prior art, the invention at least comprises the following beneficial effects:

according to the infrared burner, the plurality of inner ring air cavities and the at least one outer ring air cavity which are arranged in the staggered mode along the radial direction are arranged on the burner head, so that small-fire combustion areas and large-fire combustion areas which are arranged in the staggered mode along the radial direction can be formed when gas is combusted on the upper surface of the combustion plate.

Drawings

FIG. 1 is an exploded view of a two-ring infrared burner in embodiment 1 of the present invention;

fig. 2 is a sectional view of a burner in embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view of a burner at another angle in embodiment 1 of the present invention;

FIG. 4 is a schematic view of a burner block according to embodiment 1 of the present invention

FIG. 5 is a schematic structural view of a three-ring infrared burner in embodiment 2 of the present invention;

FIG. 6 is a schematic view showing the structure of a three-ring infrared burner in embodiment 3 of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.

Example 1

Referring to fig. 1 to 4, the present embodiment provides an infrared burner including a burner head 1 and a combustion plate 2 having fire holes, wherein the burner head 1 is provided with a plurality of inner ring air chambers 11 having upward openings and at least one outer ring air chamber 12 having upward openings, the inner ring air chambers 11 and the outer ring air chambers 12 being staggered in a radial direction such that the burner head 1 has a plurality of inner ring air chambers 11 arranged at intervals, and the outer inner ring air chambers 11 are closer to an outer side of the radial direction of the burner head 1. The combustion plate 2 is arranged on the burner 1, and the combustion plate 2 covers the openings of all the inner ring air cavities 11 and the openings of all the outer ring air cavities 12, thus, when gas is upwards transmitted to the combustion plate 2 from the burner 1 for combustion, the upper surface of the combustion plate 2 can form a small fire combustion area 21 and a large fire combustion area 22 which are staggered and arranged along the radial direction, so that the burner has two firepower of large fire and small fire, because the total area of the small fire combustion area 21 is relatively larger, and the distribution in the radial direction is more uniform, the small fire firepower can not be excessively concentrated on the radial inner side, and the problem that the food heating is not uniform due to the fact that the existing small fire firepower is excessively concentrated on the radial inner side is solved. In embodiments, a plurality refers to two or more.

It can be seen that the infrared burner of this embodiment, through set up on furnace end 1 along a plurality of inner ring air cavitys 11 and at least one outer ring air cavity 12 of radial direction staggered arrangement, make whole inner ring air cavitys 11 along radial direction interval arrangement, thereby make the gas after the branch gas of furnace end 1, can form along the little fire combustion area 21 and the big fire combustion area 22 of radial direction staggered arrangement when 2 upper surfaces of combustion plate burn, compare in the infrared burner of present little fire at radial inboard, the little fire combustion area 21 total area of this product is bigger, and little fire power distributes more evenly at circumference and radial direction, can avoid little fire power to excessively concentrate on radial inboard, effectively solved present little fire power and too concentrated on radial inboard and cause the inhomogeneous problem of food heating, promote user's culinary art experience.

Preferably, the number of the inner ring air chambers 11 may be equal to the number of the outer ring air chambers 12, or the number of the inner ring air chambers 11 is +1 of the number of the outer ring air chambers 12, so that the number of the inner ring air chambers 11 is greater than the number of the outer ring air chambers 12. Referring to fig. 1, the quantity of inner ring air cavity 11 and outer ring air cavity 12 is two for the example in this embodiment, lean on inner ring air cavity 11 to set up at the radial inboard of furnace end 1, lean on outer ring air cavity 12 to set up the radial outside at furnace end 1, like this, the gas divides the gas and when burning plate 2 upper surface burning through furnace end 1, burning plate 2 be close to in little fire combustion area territory 21 near the central through hole, the firepower of effectively guaranteeing to be close to the central through hole is little fire, make the heating temperature of bottom of a boiler center department can not be too high, the regional food of bottom of a boiler is difficult for being ripe when avoiding little fire culinary art simultaneously.

In other embodiments, in order to make the small fire power (i.e., the small fire combustion regions 21) more uniformly distributed in the radial direction, the number of the inner ring air chambers 11 may be designed to be equal to the number +1 of the outer ring air chambers 12 so that the greater the number of the inner ring air chambers 11. When the quantity of inner ring air cavity 11 equals the quantity +1 of outer ring air cavity 12, lean on inner ring air cavity 11 and lean on outer inner ring air cavity 11 to set up respectively at furnace end 1 radial inboard and radial outside, outer ring air cavity 12 sets up between two adjacent inner ring air cavities 11, thus, the gas is through furnace end 1's branch gas and when burning on combustion plate 2, can make the little fire combustion area 21 that 2 upper surfaces of combustion plate formed more, the total area is bigger, and it is more extensive to distribute at radial direction, do benefit to showing and promote little fire power and distribute the homogeneity in radial direction, it is more even to heat when guaranteeing little fire culinary art.

The air supply manner of the inner ring air chamber 11 of the burner 1 is specifically as follows: firstly, the furnace end 1 is provided with inner injection pipes (not shown in the figure) with the same number as the inner ring air cavities 11, and all the inner ring air cavities 11 are respectively communicated with different inner injection pipes, so that the inner injection pipes and the inner ring air cavities 11 are arranged in a one-to-one correspondence manner, a user can conveniently adjust the firepower of small fire according to cooking requirements, and the firepower gear of the small fire is finer; the second kind, refer to fig. 1-3, be equipped with a plurality of first air flues 110 on furnace end 1, a plurality of first air flues 110 are arranged along the even interval of circumferential direction, in order to promote the homogeneity of branch gas, first air flue 110 runs through the outer loop air cavity 12 that is located between the inner loop air cavity 11, first air flue 110 spanes the outer loop air cavity 12 that is located between the inner loop air cavity 11 promptly, whole inner loop air cavities 11 communicate first air flue 110 respectively, draw the ejector pipe in one of them inner loop air cavity 11 intercommunication, thus, draw the ejector pipe outward to the air feed of whole inner loop air cavities 11, can realize the air supply break-make condition of whole inner loop air cavities 11 of synchro control, and then realize the flameout or the combustion state of the little fire of synchro.

The air supply manner with respect to the outer annular air chamber 12 of the burner 1 is specifically as follows: firstly, the furnace end 1 is provided with outer ejector pipes (not shown in the figure) with the same number as the outer ring air cavities 12, and all the outer ring air cavities 12 are respectively communicated with different outer ejector pipes, so that the outer ejector pipes and the outer ring air cavities 12 are arranged in a one-to-one correspondence manner, a user can conveniently adjust the fire power of a big fire according to cooking requirements, and the fire power gear of the big fire is finer; the second kind, refer to fig. 1 and fig. 3, be equipped with a plurality of second air flues 120 on furnace end 1, a plurality of second air flues 120 are arranged along the even interval of circumferential direction, in order to promote the homogeneity of branch gas, second air flue 120 runs through the inner ring air cavity 11 that is located between outer ring air cavity 12, second air flue 120 spanes the inner ring air cavity 11 that is located between outer ring air cavity 12 promptly, whole outer ring air cavity 12 communicates second air flue 120 respectively, one of them outer ring air cavity 12 communicates outer ejector tube, thus, an outer ejector tube is to the air feed of whole outer ring air cavity 12, can realize the air supply break-make condition of whole outer ring air cavities 12 of synchro control, and then realize the flame-out or the combustion state of the big fire of synchro.

In this embodiment, the second air supply method is adopted for the inner annular air chamber 11, and the second air supply method is adopted for the outer annular air chamber 12. Referring to fig. 4, specifically, a first air inlet portion 101 and a second air inlet portion 102 protruding outwards are provided at the bottom of the burner head 1, wherein an inlet of the first air inlet portion 101 communicates with the inner ejector pipe, and an outlet of the first air inlet portion 101 communicates with one of the inner annular air cavities 11. The inlet of the second air inlet portion 102 is communicated with the outer ejector pipe, and the outlet of the second air inlet portion 102 is communicated with one of the outer ring air cavities 12. Therefore, the integral structure of the product can be simplified, the combustion or flameout states of small fire and large fire can be synchronously controlled, and the control logic is simplified.

Preferably, the first air inlet 101 and the second air inlet 102 of the present embodiment are respectively located at two opposite sides of the central through hole, the inner injection pipe is communicated with the inner annular air cavity 11 close to the central through hole through the first air inlet 101, and the outer injection pipe is communicated with the outer annular air cavity 12 far away from the central through hole through the second air inlet 102, so that sufficient space for arranging the first air inlet 101 and the second air inlet 102 is ensured at the bottom of the burner 1.

More preferably, the first air inlet 101 and the second air inlet 102 are integrally formed with the burner 1, respectively, so that the first air inlet 101 and the second air inlet 102 can be rapidly formed, which is beneficial to reducing the assembly process, and meanwhile, the air leakage at the joint of the first air inlet 101 and the inner annular air cavity 11 near the inner side and the air leakage at the joint of the second air inlet 102 and the outer annular air cavity 12 near the outer side can be prevented.

In the present embodiment, the unit intake area of the first intake portion 101 is smaller than the unit intake area of the second intake portion 102, so as to better satisfy the amount of gas required for small and large fire combustion and ensure combustion thermal efficiency.

Referring to fig. 4, specifically, furnace end 1 bottom is equipped with the installation cavity 103 sunken inwards respectively in the position department that corresponds first portion 101 entry and second portion 102 entry of admitting air, and like this, through the setting of installation cavity 103, draw tub and second portion 102 of admitting air and draw the connection of tub with the outer space that provides enough big for first portion 101 of admitting air and interior draw, draw in more convenient more and draw tub and furnace end 1's being connected outward, can shorten infrared burner height in vertical direction simultaneously, do benefit to and reduce infrared kitchen in the thickness of vertical direction.

Referring to fig. 1, the infrared burner of this embodiment further has a central through hole, the central through hole sequentially penetrates through the burner 1 and the combustion plate 2 from bottom to top, and is used for installing an ignition needle or an ignition and flameout protection device of the infrared burner, and if necessary, the central through hole can also be used for supplementing secondary air to the radial inner side of the combustion plate 2, so as to further improve the combustion sufficiency of the combustion plate 2 at the radial inner side. Specifically, a burner center hole 13 is formed in the center of the burner 1, a combustion plate center hole 23 is formed in the position, corresponding to the burner center hole 13, of the combustion plate 2, and when the combustion plate 2 is covered on the burner 1, the combustion plate center hole 23 is communicated with the burner center hole 13 and mutually forms a center through hole of the infrared burner.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that it further includes at least one middle air cavity (not shown) having an upward opening. Specifically, a middle ring air chamber is provided between the adjacent inner and outer ring air chambers 11 and 12, and when gas is upwardly transferred from the middle ring air chamber of the burner 1 to the combustion plate 2, a middle fire combustion zone 23 may be formed between the adjacent small fire combustion zone 21 and large fire combustion zone 22, so that the infrared burner has middle fire power.

There are two ways for the medium air cavity air supply scheme: firstly, the furnace end 1 is provided with a plurality of middle ejector pipes, the number of the middle ejector pipes is equal to that of middle ring air cavities, and all the middle ring air cavities are respectively communicated with different middle ejector pipes, so that the middle ejector pipes and the middle ring air cavities are arranged in a one-to-one correspondence manner, and therefore, on one hand, a user can conveniently adjust the middle fire power according to cooking requirements, the fire gear of the middle fire is finer, on the other hand, the middle fire is more uniformly distributed in the radial direction, and the heating uniformity of the middle fire power is ensured; secondly, the furnace end 1 is provided with a plurality of third air passages (not shown in the figure), the plurality of third air passages are uniformly arranged at intervals along the circumferential direction to improve the air distribution uniformity, all the middle air cavities are respectively communicated with the third air passages, one middle air cavity is communicated with the middle ejector pipe, and thus, the flameout or middle fire combustion state of all the middle air cavities 1 can be synchronously controlled.

It can be seen that, by additionally arranging the middle ring air cavity between the adjacent inner ring air cavity 11 and the outer ring air cavity 12 on the burner 1, the air distribution of the burner 1 is more precise, and further, the upper surface of the combustion plate 2 can form a plurality of middle fire combustion areas 23 which are arranged at intervals along the radial direction, so that the fire partition of the product is more precise, and the fire size is more conveniently and accurately controlled by a user.

Example 3

Referring to fig. 6, the present embodiment is different from embodiment 1 in that the structure of the outer ring air chamber 12 is different. Specifically, at least one middle annular chamber with an upward opening is arranged in the outer annular chamber 12, all the middle annular chambers are respectively communicated with different middle ejector pipes, or all the middle annular chambers are communicated through a third air passage (not shown in the figure), and one of the middle annular chambers is communicated with the middle ejector pipe. When the gas is transferred upward from the middle annular chamber of the burner head 1 to the combustion plate 2, a middle fire combustion area 23 may be formed in the big fire combustion area 22 so that the infrared burner has middle fire power. Therefore, at least one middle ring air cavity is arranged in the outer ring air cavity 12, so that the product is provided with a middle fire combustion area 23, a user can conveniently adjust the big fire, the middle fire and the small fire of the burner according to cooking requirements, and the cooking experience of the user is improved.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.