Infrared burner and outdoor oven

Abstract

The infrared burner comprises a shell, a containing cavity is formed in the shell, an air inlet pipe is arranged on one side of the shell, the air inlet pipe is inserted into the containing cavity, a fire distributing plate is arranged in the containing cavity, the tail end of the air inlet pipe is covered with the fire distributing plate, and the tail end of the air inlet pipe is provided with an air outlet. A stepped groove is formed in the upper end of the shell, a plurality of porous ceramic plates are arranged on the stepped groove, a venturi tube is arranged in the air inlet pipe, a plurality of air inlets are formed in the end of the air inlet pipe, and the venturi tube increases the flow speed in the air inlet pipe and increases air flowing in from the air inlets. The fire distribution plate is used for diffusing fuel gas at the tail end of the gas inlet pipe so as to cover the whole accommodating cavity and heat the porous ceramic plate, so that the porous ceramic plate radiates infrared rays outwards; after the combustible gas is fully combusted, the radiation coverage is enlarged, food can be quickly roasted, and more food can be roasted at a time.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas heating technical field, especially infrared burner and outdoor oven. BACKGROUND

[0002] Barbecue food is a simple and original processing method, but more and more people like the delicious food brought by barbecue, so it is a good experience to have a barbecue in the wild while going on a field trip, so more and more travel enthusiasts will choose to barbecue in a travel house car, go camping and barbecue and have outdoor leisure.

[0003] The existing outdoor oven is relatively simple, and all adopts smokeless charcoal placed below the food to be roasted, when the oil of the food to be roasted drops into the charcoal, the charcoal will burn and produce oil fume, and liquefied gas and natural gas are also used as fuel sources, and the burners are placed on the two sides of the bottom, when the oil of the food to be roasted drops into the two burners during the turning process, the burners will burn and produce oil fume, only the oil fume is reduced, but the barbecue will cause great pollution to the food and the environment, and the food is particularly easy to be scorched during the barbecue process, and the scorched food is easy to cause pain after eating.

[0004] In view of the above problems, the existing outdoor oven also uses an infrared burner to roast food, but the existing infrared burner cannot reach 15,000 BTU of power due to incomplete combustion, and the ceramic plate cannot be roasted red, the flame is long, and the flame is floating, which leads to long roasting time of the food and not delicious enough, and at the same time, the covering area is small, and the food roasted at a time is also less, which leads to low barbecue efficiency. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at overcoming the defects of small covering area and incomplete combustion of the existing infrared burner, and provides an infrared burner and an outdoor oven, after the combustible gas is fully combusted, the radiation covering area is increased, the food can be quickly roasted, and more food can be roasted at a time, and the barbecue efficiency is improved.

[0006] In order to achieve the above purpose, the utility model provides an infrared burner, which comprises a shell, a containing cavity is arranged in the shell, an air inlet pipe is arranged on one side of the shell, the air inlet pipe is inserted into the containing cavity, a fire plate is arranged in the containing cavity, the fire plate is arranged at the end of the air inlet pipe, a stepped groove is arranged on the upper end of the shell, a plurality of porous ceramic plates are arranged on the stepped groove, a venturi tube is arranged in the air inlet pipe, a plurality of air inlets are formed in the end of the air inlet pipe, the venturi tube increases the flow rate in the air inlet pipe and increases the air flowing from the air inlets, the fire plate is used for diffusing the combustible gas at the end of the air inlet pipe, so as to cover the whole containing cavity, the porous ceramic plates are heated, and the porous ceramic plates radiate infrared rays outward.

[0007] As preferred, the porous ceramic plate is sleeved with a fixing plate on the upper part, the cross section of the fixing plate is L-shaped, one side of the fixing plate fixes the porous ceramic plate, and the other side is fixed with the shell, and the fixing plate is fixedly connected with the shell through a plurality of draw bolts around the fixing plate.

[0008] As preferred, the fixing plate is provided with a connecting plate on the side, the connecting plate is used for fixing the burner, and the connecting plate is provided with a connecting through hole.

[0009] As preferred, the middle part between the porous ceramic plates is provided with middle sealing cotton, the lower part between the porous ceramic plate and the stepped groove is provided with bottom sealing cotton, and the four around the porous ceramic plate and the stepped groove is provided with four around sealing cotton.

[0010] As preferred, the accommodating cavity is provided with a connecting piece, the connecting piece is in the shape of U, both sides of the connecting piece are fixedly connected with the shell, and the middle part of the connecting piece is fixedly connected with the air inlet pipe.

[0011] As preferred, the fire plate comprises a connecting part fixedly connected with the accommodating cavity, an inclined part obliquely arranged in the accommodating cavity and a covering part covering the end of the air inlet pipe, the inclined part corresponds to the end of the air inlet pipe and is arranged at intervals, and a plurality of gas through holes are arranged on the inclined part and the covering part.

[0012] The utility model also provides an outdoor oven, including above described infrared burner, still include the bottom frame and install the burner mounting panel of bottom frame one end, install the grill for placing food on the bottom frame, install infrared burner on the burner mounting panel, infrared burner obliquely downward heating food on the grill.

[0013] As preferred, the burner mounting plate is provided with a receiving groove for placing the shell, and the receiving groove is obliquely arranged, and one side of the receiving groove is provided with an ignition assembly for igniting gas.

[0014] As preferred, it further comprises a cover plate installed on the bottom frame away from one end of the burner mounting plate, the bottom frame, the burner mounting plate and the cover plate form a baking cavity, the cover plate is hingedly connected with the burner mounting plate on both sides, the burner mounting plate is provided with a rotating pin on both sides, the cover plate is hingedly connected with the burner mounting plate through the rotating pin, and the cover plate rotates around the rotating pin to open or close the baking cavity.

[0015] As preferred, the cover plate is provided with an observation window on one side, and an opening handle is installed on one side.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] This invention firstly installs a Venturi tube inside the air intake pipe. The Venturi tube increases the flow velocity inside the air intake pipe, increasing the amount of air flowing in from the air inlet, thus ensuring thorough mixing of the combustible gas and air. The flame spreader is used to diffuse the gas at the end of the air intake pipe, thereby covering the entire cavity. After the combustible gas is fully combusted, it heats the porous ceramic plate, causing the porous ceramic plate to radiate infrared rays outward, increasing the radiation coverage area. This allows food to be grilled quickly and allows for grilling more food at once, improving grilling efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an infrared burner provided by this utility model;

[0020] Figure 2 This is an exploded view of an infrared burner provided by this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the fire distribution plate provided by this utility model installed inside the cavity;

[0022] Figure 4 This is a schematic diagram of the structure of the connecting piece provided by this utility model installed inside the cavity;

[0023] Figure 5 This is a schematic diagram of the closing of an outdoor grill provided by this utility model;

[0024] Figure 6 This is a schematic diagram showing the opening of an outdoor grill provided by this utility model;

[0025] Figure 7 This is an exploded view of the cover plate and infrared burner provided by this utility model installed together.

[0026] The diagram includes:

[0027] 1, the shell; 11, the accommodation cavity; 2, the air inlet pipe; 3, the fire plate; 12, the stepped groove; 4, the porous ceramic plate; 5, the venturi; 21, the air inlet; 6, the fixed plate; 63, the pull pin; 61, the connecting plate; 62, the connecting through hole; 71, the middle sealing cotton; 72, the bottom sealing cotton; 73, the peripheral sealing cotton; 13, the connecting piece; 31, the connecting part; 32, the inclined part; 33, the covering part; 81, the base frame; 82, the burner mounting plate; 821, the accommodating groove; 84, the ignition assembly; 83, the covering plate; 85, the rotating pin; 831, the observation window; 832, the opening handle; 34, the gas through hole. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the present application will be described clearly and completely below with reference to the drawings in the embodiment of the present application. Obviously, the described embodiment is one embodiment of the present application, rather than all the embodiments of the present application. Based on the embodiment of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment one

[0030] Please refer to Figures 1 to 7 , the present embodiment one provides an infrared burner.

[0031] As shown in Figure 1 and Figure 2 , the infrared burner comprises a shell 1, the shell 1 is internally provided with an accommodation cavity 11, the accommodation cavity 11 serves as a combustible gas combustion chamber; one side of the shell 1 is provided with an air inlet pipe 2, the air inlet pipe 2 is inserted into the accommodation cavity 11, the accommodation cavity 11 is internally provided with a fire plate 3, the fire plate 3 is arranged at the end of the air inlet pipe 2, the upper end of the shell 1 is provided with a stepped groove 12, a plurality of porous ceramic plates 4 are arranged on the stepped groove 12, the air inlet pipe 2 is internally provided with a venturi 5, a plurality of air inlets 21 are formed at the end of the air inlet pipe 2, the venturi 5 increases the flow rate inside the air inlet pipe 2, increases the air flowing from the air inlets 21, so that the combustible gas and the air are fully mixed; further, the fire plate 3 is used for diffusing the gas at the end of the air inlet pipe 2, so as to cover the entire accommodation cavity 11, after the combustible gas is fully burned in the accommodation cavity 11, the porous ceramic plates 4 are heated, so that the porous ceramic plates 4 radiate infrared rays outward, and food is quickly roasted; still further, the combustible gas can be single gas or mixed gas, such as methane (natural gas), liquefied gas, butane, propane, etc.

[0032] As shown in Figure 1 and Figure 2As shown, the upper part of the porous ceramic plate 4 is sleeved with a fixing plate 6, which is used to fix the porous ceramic plate 4 and fix the porous ceramic plate 4 on the shell 1. Specifically, the cross section of the fixing plate 6 is L-shaped, one side of the fixing plate 6 fixes the porous ceramic plate 4, and the other side is fixed with the shell 1. The fixing plate 6 is fixedly connected with the shell 1 through a plurality of draw nails 63 around the fixing plate 6.

[0033] In order to facilitate the fixing of the infrared burner, as shown, Figure 1 As shown, the side edge of the fixing plate 6 is provided with a connecting plate 61 for fixing the burner, the connecting plate 61 is provided with a connecting through hole 62, the connecting through hole 62 is internally provided with a connecting bolt, and the connecting bolt is fixedly connected with the accommodating groove 821.

[0034] As shown, Figure 2 In order to seal between the shell 1 and the porous ceramic plate 4 and prevent gas from leaking from the side, a middle sealing cotton 71 is arranged between the porous ceramic plates 4, a bottom sealing cotton 72 is arranged between the lower part of the porous ceramic plate 4 and the stepped groove 12, and a four-around sealing cotton 73 is arranged between the four-around of the porous ceramic plate 4 and the stepped groove 12.

[0035] As shown, Figure 4 The air inlet pipe 2 and the shell 1 are fixed and sealed by welding; the end of the air inlet pipe 2 and the shell 1 are connected and fixed by the connecting piece 13. Specifically, the accommodating cavity 11 is provided with the connecting piece 13, the connecting piece 13 is in the shape of several characters, the two sides are fixedly connected with the shell 1, and the middle part is fixedly connected with the air inlet pipe 2.

[0036] As shown, Figure 3 The fire plate 3 includes a connecting part 31 fixedly connected with the accommodating cavity 11, an inclined part 32 inclinedly placed in the accommodating cavity 11, and a covering part 33 covering the end of the air inlet pipe 2. The inclined part 32 corresponds to the end of the air inlet pipe 2 and is arranged at intervals; a plurality of gas through holes 34 are arranged on the inclined part 32 and the covering part 33; the inclined part 32 increases the direction of gas diffusion, so that the accommodating cavity 11 can be filled with gas more quickly.

[0037] The assembly of the infrared burner is as follows: firstly, the Venturi tube 5 is arranged inside the air inlet pipe 2 and welded together; secondly, the air inlet pipe 2 is inserted into the containing cavity 11, and the air inlet pipe 2 is welded together with the shell 1; the fire plate 3 is arranged at the end of the air inlet pipe 2 and welded together with the containing cavity 11; thirdly, the bottom sealing cotton 72 is arranged on the stepped groove 12, the surrounding sealing cotton 73 is arranged on the side of the stepped groove 12, a plurality of porous ceramic plates 4 are arranged on the stepped groove 12, and the middle sealing cotton 71 is arranged between the porous ceramic plates 4; finally, the fixing plate 6 is buckled on the upper part of the shell 1, one side of the fixing plate 6 is fixed with the porous ceramic plate 4, and the other side is fixed with the shell 1, and the fixing plate 6 is fixedly connected with the shell 1 through a plurality of draw nails 63, so that the assembly of the infrared burner is completed.

[0038] Embodiment Two

[0039] Please refer to Figures 1 to 7 , the present embodiment two provides an outdoor oven.

[0040] As Figure 6 shown, the first embodiment of the outdoor oven: belongs to an open outdoor oven.

[0041] The outdoor oven comprises the infrared burner of the first embodiment, further comprises a base frame 81 and a burner mounting plate 82 arranged at one end of the base frame 81; the base frame 81 is arranged with a grill for placing food, and the burner mounting plate 82 is arranged obliquely and arranged with the infrared burner, and the infrared burner heats the food on the grill obliquely downward.

[0042] Further, as Figure 7 shown, the burner mounting plate 82 is provided with a containing groove 821 for placing the shell 1, and the containing groove 821 is arranged obliquely, and one side of the containing groove 821 is provided with an ignition assembly 84 for igniting the gas.

[0043] As Figure 5 and Figure 6 shown, the second embodiment of the outdoor oven: belongs to a closed outdoor oven.

[0044] The outdoor oven comprises all the technical features of the second embodiment, further comprises a cover plate 83 arranged on the base frame 81 away from the burner mounting plate 82; the base frame 81, the burner mounting plate 82 and the cover plate 83 form a closed baking cavity; the cover plate 83 is hingedly connected with the burner mounting plate 82 on both sides; the burner mounting plate 82 is provided with a rotating pin 85 on both sides, and the cover plate 83 is hingedly connected with the burner mounting plate 82 through the rotating pin 85, and the cover plate 83 rotates around the rotating pin 85 to open or close the baking cavity.

[0045] In order to facilitate the observation of the progress of roasting, as shown in Figure 5 and Figure 6 The cover plate 83 is provided with an observation window 831; further, in order to facilitate the opening or closing of the cover plate 83, the cover plate 83 is provided with an opening handle 832 on one side.

[0046] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, any change, modification, replacement, combination, simplification made without departing from the spirit and principles of the present application should be an equivalent replacement method, and all are included in the protection scope of the present application.

Claims

1. An infrared burner characterized by: The utility model provides an infrared burner, including shell (1), the inside of the shell (1) is equipped with the accommodation cavity (11), one side of the shell (1) is equipped with air inlet pipe (2), air inlet pipe (2) inserts to the inside of accommodation cavity (11), the inside of accommodation cavity (11) is equipped with fire plate (3), fire plate (3) covers the end of air inlet pipe (2), the upper end of shell (1) is equipped with ladder groove (12), a plurality of porous ceramic plate (4) are equipped on ladder groove (12), air inlet pipe (2) is equipped with venturi (5) inside, air inlet pipe (2) end is equipped with a plurality of air inlet (21), the inside flow rate of venturi (5) increases air inlet pipe (2), increases the air that flows from air inlet (21), fire plate (3) is used for the gas at the end of air inlet pipe (2) diffuses, to cover the whole accommodation cavity (11), the porous ceramic plate (4) is heated to the porous ceramic plate (4) radiates infrared outward.

2. An infrared burner as claimed in claim 1, characterized in that: The upper part of the porous ceramic plate (4) is sleeved with a fixing plate (6), the cross section of the fixing plate (6) is L-shaped, one side of the fixing plate (6) fixes the porous ceramic plate (4), the other side is fixed with the shell (1), the fixing plate (6) is fixedly connected with the shell (1) through a plurality of draw nails (63) around.

3. An infrared burner as claimed in claim 2, characterized in that: The side edge of the fixing plate (6) is provided with a connecting plate (61), the connecting plate (61) is used for fixing the burner, and the connecting plate (61) is provided with a connecting through hole (62).

4. An infrared burner as defined in claim 1, wherein: The middle part between the porous ceramic plates (4) is provided with middle sealing cotton (71), the lower part between the porous ceramic plates (4) and the ladder groove (12) is provided with bottom sealing cotton (72), and the four around the porous ceramic plates (4) and the ladder groove (12) is provided with four around sealing cotton (73).

5. An infrared burner as defined in claim 1, wherein: The accommodation cavity (11) is provided with a connecting sheet (13), the connecting sheet (13) is in the shape of a Chinese character, both sides are fixedly connected with the shell (1), and the middle part is fixedly connected with the air inlet pipe (2).

6. An infrared burner as defined in claim 1, wherein: The fire plate (3) comprises a connecting part (31) fixedly connected with the accommodation cavity (11), an inclined part (32) inclinedly arranged in the accommodation cavity (11), and a covering part (33) covering the end of the air inlet pipe (2), the inclined part (32) corresponds to the end of the air inlet pipe (2) and is arranged at intervals, and a plurality of gas through holes (34) are arranged on the inclined part (32) and the covering part (33).

7. An outdoor oven characterized by: The utility model provides an infrared burner, including shell (1), the inside of the shell (1) is equipped with the accommodation cavity (11), one side of the shell (1) is equipped with air inlet pipe (2), air inlet pipe (2) inserts to the inside of accommodation cavity (11), the inside of accommodation cavity (11) is equipped with fire plate (3), fire plate (3) covers the end of air inlet pipe (2), the upper end of shell (1) is equipped with ladder groove (12), a plurality of porous ceramic plate (4) are equipped on ladder groove (12), air inlet pipe (2) is equipped with venturi (5) inside, air inlet pipe (2) end is equipped with a plurality of air inlet (21), the inside flow rate of venturi (5) increases air inlet pipe (2), increases the air that flows from air inlet (21), fire plate (3) is used for the gas at the end of air inlet pipe (2) diffuses, to cover the whole accommodation cavity (11), the porous ceramic plate (4) is heated to the porous ceramic plate (4) radiates infrared outward.

8. An outdoor oven as claimed in claim 7, characterized in that: The burner mounting plate (82) is provided with an accommodation groove (821) for placing the shell (1), the accommodation groove (821) is inclinedly arranged, and the side of the accommodation groove (821) is provided with an ignition assembly (84) for igniting gas.

9. An outdoor oven as claimed in claim 7, characterized in that: It also comprises a cover plate (83) installed on the bottom frame (81) away from one end of the burner mounting plate (82); the bottom frame (81), the burner mounting plate (82) and the cover plate (83) form a baking cavity; the cover plate (83) is hingedly connected with the burner mounting plate (82) on both sides; the burner mounting plate (82) is provided with a rotating pin (85) on both sides, the cover plate (83) is hingedly connected with the burner mounting plate (82) through the rotating pin (85), and the cover plate (83) rotates around the rotating pin (85) to open or close the baking cavity.

10. An outdoor oven as claimed in claim 9, characterized in that: An observation window (831) is arranged on the cover plate (83), and an opening handle (832) is arranged on one side.

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