A multifunctional pellet stove

Abstract

A multifunctional pellet stove, in particular a pellet barbecue stove with a low-voltage direct current fox-type ignition function; the pellet stove comprises a feeding assembly, a pulse ignition assembly, a stove body and a fuel tank; the stove body is provided with a combustion chamber and a cooking cavity for placing food; the fuel tank is provided with a storage cavity for storing pellet fuel, the combustion chamber is provided with a combustion barrel, the feeding assembly is provided between the storage cavity and the combustion barrel, and the combustion barrels are connected to the storage cavity and the cooking cavity respectively; the pulse ignition assembly is provided on the combustion chamber, and the ignition end of the pulse ignition assembly extends into the combustion barrel; when the pellet stove is working, the feeding assembly transports the pellet fuel in the storage cavity to the combustion barrel, the pulse ignition assembly generates a high-voltage arc using a high-voltage pulse to ignite the pellet fuel entering the combustion barrel, and the heat generated by the combustion of the pellet fuel rises along the combustion barrel and enters the cooking cavity. The pellet barbecue stove can meet consumers' pursuit of high-quality life quality and different cooking needs.

Description

Technical Field

[0001] The utility model relates to the technical field of ovens, in particular to a multifunctional particle oven. Background Art

[0002] As people's living standards continue to improve, consumers have higher and higher demands on the appearance and functions of outdoor grill products; with the development of scientific and technological innovation, through the design optimization and functional innovation of product structure and function, it has brought a new era of novelty and fashion to consumers' pursuit of life choices, making life better.

[0003] At present, traditional gas grill products on the market can generally only achieve the cooking effect of ordinary barbecue, and cannot achieve the cooking effect of pellet stoves; therefore, they cannot meet the majority of consumers' pursuit of quality of life and demand for innovative functional use in real life.

[0004] Therefore, it is necessary to further improve the existing baking oven. Utility Model Content

[0005] The purpose of the utility model is to provide a multifunctional pellet stove with pellet stove cooking function to overcome the shortcomings of the prior art. The barbecue stove can meet consumers' pursuit of high quality of life and different cooking needs.

[0006] A multifunctional pellet stove designed for this purpose, in particular, a pellet barbecue stove with a low-voltage direct current fox-type ignition function; the pellet stove comprises a feeding assembly, a pulse ignition assembly, a stove body and a fuel tank; the stove body is provided with a combustion chamber and a cooking cavity for placing food; the fuel tank is provided with a storage cavity for storing pellet fuel, the combustion chamber is provided with a combustion tube, the feeding assembly is arranged between the storage cavity and the combustion tube, and the combustion tubes are connected to the storage cavity and the cooking cavity respectively; the pulse ignition assembly is arranged on the combustion chamber, and the ignition end of the pulse ignition assembly extends into the combustion tube; when the pellet stove is working, the feeding assembly transports the pellet fuel in the storage cavity to the combustion tube, the pulse ignition assembly uses a high-voltage pulse to generate a high-voltage arc to ignite the pellet fuel entering the combustion tube, and the heat generated by the combustion of the pellet fuel rises along the combustion tube and enters the cooking cavity.

[0007] An air duct chamber and a fan are arranged on the furnace body. The fan is arranged on the air duct chamber. One end of the air duct chamber is connected to the outside through the air inlet hole on the furnace body, and the other end of the air duct chamber is connected to the inner cavity of the combustion tube through the ventilation hole on the combustion tube; the combustion tube, the air duct chamber and the air inlet hole are connected in sequence.

[0008] The feeding assembly includes a motor, a feeding screw and a feeding barrel. The feeding barrel is horizontally arranged at the bottom of the storage chamber as a feeding channel for the particle fuel. The feeding end of the feeding barrel is connected to the storage chamber, and the discharging end of the feeding barrel is connected to the combustion barrel. The feeding screw is rotatably arranged in the feeding barrel, and the motor shaft of the motor is connected to the feeding screw. When the pellet stove is working, the motor drives the feeding screw to rotate in the feeding barrel to transport the particle fuel in the storage chamber to the combustion barrel through the feeding barrel.

[0009] A storage box is provided on the fuel tank, and the inner cavity of the storage box forms the storage cavity. A hopper is provided at the bottom of the storage box. The large end opening at the top of the hopper is connected to the storage cavity. A feeding tube is transversely arranged at the small end at the bottom of the hopper. The feeding end of the feeding tube is connected to the inner cavity of the hopper, and the discharging end of the feeding tube is downwardly connected to the combustion tube through a feeding pipe.

[0010] The feeding screw is provided with more than one feeding blade extending spirally.

[0011] The pulse ignition assembly includes a power supply module, a pulse igniter and an ignition needle. The power supply module is electrically connected to the pulse igniter, and the pulse igniter is electrically connected to the ignition needle. The ignition end of the ignition needle extends into the bottom of the combustion tube, and the feed end of the combustion tube is higher than the ignition end.

[0012] A reflective plate is arranged under the grid, an adjusting cover is rotatably arranged on the reflective plate, a plurality of first adjusting holes are arranged on the reflective plate, a second adjusting hole is arranged on the adjusting cover, the combustion tube is connected to the cooking cavity through the first adjusting hole and the second adjusting hole in sequence, and the overlapping degree of the first adjusting hole and the second adjusting hole is adjusted when the adjusting cover rotates to adjust the air intake amount of the cooking cavity.

[0013] The regulating cover is connected with an regulating rod, one end of the regulating rod is drivingly connected to the regulating cover, and the other end of the regulating rod serves as an operating end and at least partially extends out of the furnace body or the fuel tank.

[0014] A flap is provided on the top of the furnace body for rotation and opening and closing, and the flap closes the opening on the top of the furnace body to form a closed cooking cavity; after the heat enters the cooking cavity, it is thermally reflected between the inner wall of the cooking cavity and the reflecting plate.

[0015] It also includes a mounting bracket, the bottom of the furnace body is fixed on the mounting bracket, and the bottom of the mounting bracket is provided with universal casters; one side or both sides of the furnace body are provided with a storage table.

[0016] The barbecue grill of the utility model has a low-voltage direct current fox-type ignition function; specifically, 12V low-voltage direct current is used to generate high-voltage pulses through boosting to make the electric ignition needle generate high-voltage arcs to burn the pellet fuel to achieve pellet combustion, so that the barbecue grill has the effect of pellet barbecue; the pellet barbecue grill has a high heating temperature and can maintain a uniform temperature, and can also make full use of the waste heat circulation effect, thereby realizing an innovative design concept of high efficiency, energy saving and environmental protection, so that the cooking effect and taste are improved. When the barbecue grill is working, the feeding component transports the pellet fuel in the fuel tank to the combustion tube, and the pulse ignition component uses 12V direct current to generate high-voltage pulses through boosting to make the ignition needle (the ignition end of the pulse ignition component) generate high-voltage arcs to burn the pellet fuel, and the heat rises along the combustion tube and enters the cooking cavity, and then the food in the cooking cavity is cooked, thereby achieving the effect of pellet stove barbecue, meeting the pursuit of quality of life and the demand for innovative functions in real life by consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a pellet stove in one embodiment of the utility model.

[0018] Figure 2 It is a rear view of a pellet stove in one embodiment of the utility model.

[0019] Figure 3 It is a cross-sectional view of a pellet stove in one embodiment of the utility model.

[0020] Figure 4 It is an exploded view of a pellet stove in one embodiment of the utility model.

[0021] Figure 5 It is a schematic diagram of the exploded structure of the feeding assembly in one embodiment of the utility model.

[0022] Figure 6 It is a schematic diagram of the exploded structure of the temperature adjustment component in one embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-Figure 6The multifunctional pellet stove involved in this embodiment has a low-voltage direct current fox-type ignition function; the pellet stove includes a feeding component, a pulse ignition component, a furnace body 1 and a fuel tank 2; the furnace body 1 is installed on one side of the fuel tank 2, a combustion chamber 3 is arranged at the lower part of the furnace body 1, a cooking cavity 5 for placing food is arranged at the upper part of the furnace body 1, and a grill 4 for placing food is arranged in the cooking cavity 5; a storage cavity for storing pellet fuel is arranged in the fuel tank 2 (the storage cavity is not marked in the drawings, but the storage cavity can be understood as a part of the fuel tank 2 with storage performance), and a combustion chamber 3 is arranged in the combustion chamber 3. A combustion tube 6 is provided, and a feeding assembly is arranged between the storage cavity and the combustion tube 6, and the combustion tube 6 is connected to the storage cavity and the cooking cavity 5 respectively; a pulse ignition assembly is arranged on the combustion chamber 3, and an ignition end of the pulse ignition assembly extends into the combustion tube 6, and the combustion tube 6 is a fire cup; when the pellet stove is working, the feeding assembly transports the pellet fuel in the storage cavity to the combustion tube 6, and the pulse ignition assembly uses a high-voltage pulse to generate a high-voltage arc to ignite the pellet fuel entering the combustion tube 6, and the heat generated by the combustion of the pellet fuel rises along the combustion tube 6 and enters the cooking cavity 5, thereby cooking the food on the grill 4.

[0025] The barbecue grill of the utility model has a low-voltage direct current fox-type ignition function; specifically, 12V low-voltage direct current is used to generate high-voltage pulses through voltage boosting to make the electric ignition needle generate high-voltage electric arc to burn the pellet fuel to achieve pellet combustion, so that the barbecue grill has the effect of pellet barbecue; the pellet barbecue grill has a high heating temperature and can maintain a uniform temperature, and can also make full use of the waste heat circulation effect, thereby realizing an innovative design concept of high efficiency, energy saving and environmental protection, and improving the cooking effect and taste.

[0026] An air duct chamber 7 and a fan 17 are provided at the lower part of the furnace body 1. The fan 17 is provided at one end of the air duct chamber 7. One end of the air duct chamber 7 is connected to the outside through the air inlet 8 on the rear side of the furnace body 1, and the other end of the air duct chamber 7 is connected to the inner cavity of the combustion tube 6 through the ventilation hole 38 on the combustion tube 6; the combustion tube 6, the air duct chamber 7 and the air inlet 8 are connected in sequence; specifically, the other end of the air duct chamber 7 is connected to the combustion chamber 3, and the inner cavity of the combustion tube 6 is connected to the combustion chamber 3 through the ventilation hole 38, that is, the air duct chamber 7, the combustion chamber 3 and the combustion tube 6 are connected in sequence to form an air duct; when the fan 17 is working, the outside air enters the combustion tube 6 through the air inlet 8, the air duct chamber 7 and the combustion chamber 3 in sequence to provide oxygen for the combustion of the particle fuel.

[0027] The feeding assembly includes a motor 9, a feeding screw 10 and a feeding barrel 11. The feeding barrel 11 is horizontally arranged at the bottom of the storage chamber as a feeding channel for the particle fuel. The feeding ends on both sides of the top of the feeding barrel 11 are respectively connected to the storage chamber. The particle fuel in the storage chamber freely falls into the feeding barrel 11 through the feeding ends on both sides of the top of the feeding barrel 11 under the action of gravity. The discharge end in the lower middle part of the feeding barrel 11 is connected to the combustion barrel 6. The feeding screw 10 is rotatably arranged in the feeding barrel 11, the motor 9 is fixed in the fuel tank 2, and the motor shaft of the motor 9 is transmission-connected to one end of the feeding screw 10; when the pellet stove is working, the motor 9 drives the feeding screw 10 to rotate in the feeding barrel 11 to transport the particle fuel in the storage chamber to the combustion barrel 6 through the feeding barrel 11.

[0028] A storage box 12 is arranged in the fuel tank 2, and the inner cavity of the storage box 12 forms the storage cavity. A hopper 27 is arranged at the bottom of the storage box 12, and the large end opening at the top of the hopper 27 is connected to the storage cavity. The feeding cylinder 11 is horizontally arranged at the small end at the bottom of the hopper 27, and the feeding end of the feeding cylinder 11 is connected to the inner cavity of the hopper 27, and the discharging end of the feeding cylinder 11 is downwardly connected to the combustion cylinder 6 through the feeding pipe 13, and the feeding pipe 13 is connected to the combustion cylinder 6.

[0029] The feeding screw 10 is provided with one or more feeding blades 28 extending in a spiral direction; specifically, since the top of the feeding barrel 11 in this embodiment has two feeding ends, the surface of the feeding screw 10 in this embodiment is provided with two feeding blades 28 with opposite spiral directions. When the feeding screw 10 rotates, the two feeding blades 28 respectively drive the particle fuel to move to the discharge end in the middle, thereby achieving the purpose of the particle fuel.

[0030] The pulse ignition assembly is arranged in the furnace body 1, and includes a power supply module, a pulse igniter 14 and an ignition needle 15. The power supply module is electrically connected to the pulse igniter 14, and the pulse igniter 14 is electrically connected to the ignition needle 15. The pulse igniter 14 and the ignition needle 15 are respectively arranged at the bottom of the combustion chamber 3. The ignition end of the ignition needle 15 extends into the bottom of the combustion tube 6. The feed end of the combustion tube 6 is higher than the ignition end, so that the particle fuel in the combustion tube 6 starts to burn from the bottom to ensure full combustion. A mounting shell 24 is arranged at the bottom of the combustion chamber 3, and the pulse igniter 14 is installed in the mounting shell 24, and the mounting shell 24 plays a role of heat insulation; the pulse igniter 14 uses a high-voltage pulse to make the ignition needle 15 generate a high-voltage arc to burn the particle fuel.

[0031] A battery compartment 16 is provided in the furnace body 1 , and a power supply module is provided in the battery compartment 16 . The power supply module can supply power to the pulse igniter 14 , and the power supply module can be disassembled and replaced.

[0032] An air guide hood 18 is fixedly arranged at the lower part of the inner cavity of the furnace body 1 , and the inner cavity of the air guide hood 18 forms an air duct chamber 7 . The fan 17 is installed at one end of the air guide hood 18 , and the other end of the air guide hood 18 is connected to the combustion chamber 3 .

[0033] A reflector plate 23 is provided at the bottom of the cooking cavity 5, and an adjustment cover 29 is rotatably provided on the reflector plate 23. A plurality of first adjustment holes 30 are provided on the reflector plate 23, and a second adjustment hole 31 is provided on the adjustment cover 29. The combustion tube 6 is connected to the cooking cavity 5 through the first adjustment hole 30 and the second adjustment hole 31 in sequence. When the adjustment cover 29 rotates, the overlap between the first adjustment hole 30 and the second adjustment hole 31 is adjusted to adjust the air intake of the cooking cavity 5, that is, to adjust the cooking fire power. When the first adjustment hole 30 and the second adjustment hole 31 are completely overlapped, the heat entering the cooking cavity 5 is the largest; when the first adjustment hole 30 and the second adjustment hole 31 are completely misaligned, no heat enters the cooking cavity 5 through the first adjustment hole 30 and the second adjustment hole 31.

[0034] The regulating cover 29 is connected with the regulating rod 33. The reflecting plate 23, the regulating cover 29 and the regulating rod 33 together constitute a temperature regulating assembly. One end of the regulating rod 33 is connected to the regulating cover 29 in a transmission manner. The other end of the regulating rod 33 is used as an operating end and at least partially extends out of the furnace body 1 or the fuel tank 2. Specifically, a linkage part 36 is provided at one end of the regulating rod 33, and the operating end at the other end is connected with the handle 32. The handle 32 is exposed outside the furnace body 1 for user convenience. The regulating cover 2 is provided with an anti-slip groove 34 and a linkage matching part 35. The linkage part 36 passes through the anti-slip groove 34 and is movably connected with the linkage matching part 35. The user acts on the handle 32, and then controls the rotation of the regulating cover 29 through the regulating rod 33 to achieve the effect of adjusting the temperature.

[0035] A rotating shaft 37 is mounted on the reflector 23 , and the adjustment cover 29 is rotatably connected to the rotating shaft 37 .

[0036] A flip cover 22 is provided on the top of the furnace body 1 for rotating opening and closing, a reflective plate 23 is provided in the furnace body 1, and the reflective plate 23 is located below the grill 4; the flip cover 22 closes the top opening of the furnace body 1 to form a closed cooking cavity 5, and after the heat enters the cooking cavity 5, the heat is reflected between the inner wall of the cooking cavity 5 and the reflective plate 23, so that the heat circulates and radiates rapidly from top to bottom and penetrates the food, so that the temperature in the cooking cavity 5 is high and the temperature is kept uniform, and the waste heat circulation effect is fully utilized, thereby realizing an innovative design concept of high efficiency, energy saving and environmental protection, and improving the cooking effect and taste.

[0037] Storage tables 19 are respectively provided on both sides of the furnace body 1, and the storage tables 19 are used to place tableware, seasonings, etc.

[0038] It also includes a mounting bracket 20, the bottom of the furnace body 1 is fixed on the mounting bracket 20, and a universal caster 21 is provided at the bottom of the mounting bracket 20 to facilitate the movement of the pellet stove.

[0039] A cover 25 is provided on the top of the fuel tank 2, and a controller 26 is provided on the cover 25. The controller 26 is electrically connected to the motor 9, the pulse igniter 14, the fan 17, etc., and controls the operation of the above components.

[0040] Functional principle of controller 26:

[0041] Power on (standby mode):

[0042] After power-on, read the status of the battery and power supply (the battery icon is displayed when there is a battery, and the battery icon is not displayed when there is no battery).

[0043] Function setting selection:

[0044] After powering on, short press the button to enter the menu function setting selection interface. After entering the function setting interface, the current function position flashes. At this time, you can rotate the knob (clockwise or counterclockwise) to jump to the required setting function. After the selection is completed, short press the button to confirm and enter the setting interface of the currently selected function. At this time, you can rotate the knob to set it (clockwise or counterclockwise). After the setting is completed, short press the button again to confirm and return to the main interface (if you do not press the button to confirm, the system will automatically confirm and return to the main interface after 10 seconds. The time setting must be confirmed by pressing the button, otherwise the set time will not take effect).

[0045] Fan working status indication:

[0046] When the fan is running, FAN is displayed. When the fan stops running, FAN is not displayed.

[0047] Motor working status indication:

[0048] When the motor is running, FAN is displayed. When the motor stops running, FAN is not displayed.

[0049] Ignition needle working status indication:

[0050] When the pulse igniter is running, lgniter is displayed. When the pulse igniter stops running, lgniter is not displayed.

[0051] Time setting display interface:

[0052] The hours are adjusted in increments of 1, and the maximum duration can be set to 18 hours;

[0053] Minutes are adjusted in increments of 5;

[0054] Set: Display the icon in the setting status;

[0055] Remain: Set the time to display the icon in the running state;

[0056] After the setting is completed, you must press the button to confirm;

[0057] After the set time is up, the buzzer continues to tick.

[0058] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A multifunctional pellet stove, characterized in that: The pellet stove comprises a feeding assembly, a pulse ignition assembly, a stove body (1) and a fuel tank (2); the stove body (1) is provided with a combustion chamber (3) and a cooking cavity (5) for placing food; the fuel tank (2) is provided with a storage cavity for storing pellet fuel, the combustion chamber (3) is provided with a combustion cylinder (6), the feeding assembly is arranged between the storage cavity and the combustion cylinder (6), and the combustion cylinder (6) is connected to the storage cavity and the cooking cavity (5) respectively; the pulse ignition assembly is arranged on the combustion chamber (3), and the ignition end of the pulse ignition assembly extends into the combustion cylinder (6); when the pellet stove is working, the feeding assembly transports the pellet fuel in the storage cavity to the combustion cylinder (6), the pulse ignition assembly generates a high-voltage arc using a high-voltage pulse to ignite the pellet fuel entering the combustion cylinder (6), and the heat generated by the combustion of the pellet fuel rises along the combustion cylinder (6) and enters the cooking cavity (5).

2. The multifunctional pellet stove according to claim 1, characterized in that: An air duct chamber (7) and a fan (17) are arranged on the furnace body (1); the fan (17) is arranged on the air duct chamber (7); one end of the air duct chamber (7) is connected to the outside through an air inlet hole (8) on the furnace body (1); the other end of the air duct chamber (7) is connected to the inner cavity of the combustion tube (6) through a ventilation hole on the combustion tube (6); the combustion tube (6), the air duct chamber (7) and the air inlet hole (8) are connected in sequence.

3. The multifunctional pellet stove according to claim 1, characterized in that: The feeding assembly comprises a motor (9), a feeding screw (10) and a feeding barrel (11); the feeding barrel (11) is transversely arranged at the bottom of a storage chamber as a feeding channel for pellet fuel; the feeding end of the feeding barrel (11) is connected to the storage chamber, and the discharging end of the feeding barrel (11) is connected to a combustion barrel (6); the feeding screw (10) is rotatably arranged in the feeding barrel (11); the motor shaft of the motor (9) is connected to the feeding screw (10); when the pellet stove is working, the motor (9) drives the feeding screw (10) to rotate in the feeding barrel (11) so as to transport the pellet fuel in the storage chamber to the combustion barrel (6) through the feeding barrel (11).

4. The multifunctional pellet stove according to claim 3, characterized in that: A fuel box (12) is provided on the fuel tank (2), the inner cavity of the fuel box (12) forms the fuel storage cavity, a hopper (27) is provided at the bottom of the fuel box (12), the large end of the top of the hopper (27) is opened to communicate with the fuel storage cavity, a feeding cylinder (11) is transversely arranged at the small end of the bottom of the hopper (27), the feeding end of the feeding cylinder (11) is connected to the inner cavity of the hopper (27), and the discharging end of the feeding cylinder (11) is downwardly connected to the combustion cylinder (6) through a feeding pipe (13).

5. The multifunctional pellet stove according to claim 3, characterized in that: The feeding screw is provided with one or more feeding blades (28) extending spirally.

6. The multifunctional pellet stove according to claim 1, characterized in that: The pulse ignition assembly comprises a power supply module, a pulse igniter (14) and an ignition needle (15), wherein the power supply module is electrically connected to the pulse igniter (14), the pulse igniter (14) is electrically connected to the ignition needle (15), the ignition end of the ignition needle (15) extends into the bottom of the combustion tube (6), and the feed end of the combustion tube (6) is higher than the ignition end.

7. The multifunctional pellet stove according to claim 1, characterized in that: A reflecting plate (23) is arranged at the bottom of the cooking cavity (5); an adjusting cover (29) is rotatably arranged on the reflecting plate (23); a plurality of first adjusting holes (30) are arranged on the reflecting plate (23); a second adjusting hole (31) is arranged on the adjusting cover (29); the combustion tube (6) is connected to the cooking cavity (5) through the first adjusting holes (30) and the second adjusting holes (31) in sequence; when the adjusting cover (29) rotates, the overlap between the first adjusting holes (30) and the second adjusting holes (31) is adjusted to adjust the air intake amount of the cooking cavity (5).

8. The multifunctional pellet stove according to claim 7, characterized in that: The adjusting cover (29) is connected to an adjusting rod (33), one end of the adjusting rod (33) is drivingly connected to the adjusting cover (29), and the other end of the adjusting rod (33) serves as an operating end and at least partially extends out of the furnace body (1) or the fuel tank (2).

9. The multifunctional pellet stove according to claim 7, characterized in that: The top of the furnace body (1) is provided with a flip cover (22) which can be opened and closed by rotation, and the flip cover (22) closes the top opening of the furnace body (1) to form a closed cooking cavity (5); after heat enters the cooking cavity (5), it is heat-reflected between the inner wall of the cooking cavity (5) and the reflection plate (23).

10. The multifunctional pellet stove according to claim 1, characterized in that: It also comprises a mounting bracket (20), the bottom of the furnace body (1) is fixed on the mounting bracket (20), and the bottom of the mounting bracket (20) is provided with a universal caster (21); and a storage platform (19) is provided on one side or both sides of the furnace body (1).

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