Range hood

Abstract

The invention relates to the technical field of kitchen utensils, and discloses a range hood which comprises an air inlet channel, a hurricane cavity, a high-speed fan, an oil smoke suction inlet, an air filtering device, a smoke exhaust pipe connector and an air curtain module, the air inlet channel is arranged on the outer side of the hurricane cavity and the inner side of a range hood shell, and the air filtering device is arranged on the air inlet channel; the oil smoke suction inlet, the hurricane cavity and the smoke exhaust pipe connector are communicated, the high-speed fan comprises a high-speed fan main body and a high-speed fan air outlet pipe, the high-speed fan main body is arranged on the lower side of a bottom plate of the hurricane cavity, and the high-speed fan air outlet pipe penetrates through the bottom plate of the hurricane cavity and points to the smoke exhaust pipe connector. According to the range hood, through the combined action of the high-speed fan, the hurricane cavity and the air filtering device, lampblack is directly discharged along with high-speed airflow, and the problem that the performance of the range hood is reduced due to the fact that oil stains adhere to a wind wheel and a volute is solved.

Description

Technical Field

[0001] The invention relates to the technical field of kitchen appliances, in particular to a range hood. Background Art

[0002] After using a traditional range hood, oil stains adhere to the impeller and volute, causing the range hood's suction power to decrease, making it difficult to use it efficiently and stably for a long time. Summary of the invention

[0003] The object of the present invention is to provide a range hood to solve the above-mentioned problem.

[0004] To achieve the above-mentioned object, the range hood of the present invention comprises: the range hood comprises a hurricane cavity, an air inlet channel, a high-speed fan, a fume suction port, an air filter device, a fume exhaust pipe interface and an air curtain module; The range hood housing comprises double-side smoke collecting plates, a front baffle, a rear baffle, a top cover plate and a bottom plate; the smoke inlet is arranged in the middle of the front baffle; and the top cover plate is provided with a smoke exhaust pipe interface; The hurricane cavity is provided with a hurricane cavity left baffle, a hurricane cavity right baffle, and a hurricane cavity bottom plate. The hurricane cavity is connected to the smoke exhaust pipe interface. The hurricane cavity is provided with a guide plate near the smoke exhaust pipe interface. A high-speed fan fixing plate is provided at the lower side of the hurricane cavity bottom plate. The middle of the hurricane cavity is separated by the guide plate to form a hurricane zone and a low-pressure zone. The side close to the front baffle is the hurricane zone, and the side close to the rear baffle is the low-pressure zone. The high-speed fan comprises a high-speed fan body and a high-speed fan outlet pipe, wherein the high-speed fan body is arranged at the lower side of the hurricane cavity bottom plate and fixed to the high-speed fan fixing plate, and the high-speed fan outlet pipe passes through the hurricane cavity bottom plate and points to the smoke exhaust pipe interface; The air inlet channel is arranged on the outside of the hurricane cavity and the inside of the range hood casing, and an air filter device is arranged at the inlet of the air inlet channel.

[0005] Furthermore, the hurricane cavity and the air inlet channel are sealed at the joint.

[0006] Furthermore, the air curtain module is arranged in the front cavity of the top of the range hood, and includes an air curtain fan, an air curtain duct, an air curtain outlet and an air curtain module air filter device.

[0007] Furthermore, the high-speed fan outlet duct is provided with a high-speed fan outlet anti-fouling cover.

[0008] Furthermore, the top front cavity of the range hood includes an air curtain module, a lighting lamp and a power supply module, and the top front cavity of the range hood is isolated from the air inlet channel by a partition.

[0009] Based on this, the beneficial effects of the present invention are as follows: after the range hood of the present invention is started, the high-speed fan sucks in the filtered air through the air inlet channel and ejects a high-speed airflow, which enters the hurricane cavity to form a low-pressure environment in the hurricane cavity. The oil smoke is sucked in through the oil smoke suction port and then discharged through the exhaust pipe interface with the high-speed airflow. After the range hood is turned off, the anti-fouling cover returns to its original position under the action of gravity. During the operation of the range hood, the oil smoke is directly discharged with the high-speed airflow after being sucked in, without contacting the fan and the wind wheel equipment. The air filter device and the anti-fouling cover further ensure that the high-speed fan is isolated from the oil smoke, thereby solving the problem of the range hood performance degradation caused by the adhesion of oil stains to the wind wheel and the volute. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a front view of the range hood of the present invention; Figure 2 It is a left side view of the range hood of the present invention; Figure 3 A front view of the range hood of the present invention with the front baffle removed; Figure 4 A bottom view of the range hood of the present invention with the front baffle removed; Figure 5 for Figure 4 Schematic diagram of the structure of 41 and 42; Figure 6 It is a top view of the right rear side of the range hood of the present invention; Figure 7 is a top view of the range hood of the present invention; Figure 8 Schematic diagram of the high-speed fan outlet anti-pollution cover opening.

[0011] In the figure, 11—left side smoke collecting plate; 12—right side smoke collecting plate; 13—rear baffle; 14—top cover; 15—bottom plate; 16—oil smoke inlet; 18—exhaust pipe interface; 19—front baffle; 2—hurricane cavity; 21—guide plate; 22—hurricane area; 23—low pressure area; 24—left side baffle of hurricane cavity; 25—bottom plate of hurricane cavity; 26—right side baffle of hurricane cavity; 27—high-speed fan fixing plate; 311—high-speed fan body; 312—high-speed fan body; 313—high-speed fan body; 314—high-speed fan body; 315—high-speed fan body; 316—high-speed fan body; 317—high-speed fan body; 318—high-speed fan body; 319—high-speed fan body; 320—high-speed fan body; 321—high-speed fan body; 322—high-speed fan body; 323—high-speed fan body; 324—high-speed fan body; 325—high-speed fan body; 326—high-speed fan body; 327—high-speed fan body; 328—high-speed fan body; 329—high-speed fan body; 330—high-speed fan body; 331—high-speed fan body; 332—high-speed fan body; 333—high-speed fan body; 334—high-speed fan body; 335—high-speed fan body; 336—high-speed fan body; 337—high-speed fan body; 338—high-speed fan body; 339—high-speed fan body; 340—high-speed fan body; 341—high-speed fan body; 342—high-speed 15—high-speed fan body; 321—high-speed fan outlet duct; 322—high-speed fan outlet duct; 323—high-speed fan outlet duct; 324—high-speed fan outlet duct; 325—high-speed fan outlet duct; 35—high-speed fan outlet anti-pollution cover; 4—air inlet channel; 41—left air filter device; 42—right air filter device; 5—top front cavity; 52—lighting lamp; 53—power supply module; 511—wind curtain fan; 512—wind curtain duct; 513—wind curtain outlet; 514—wind curtain module air filter device; 54—partition. DETAILED DESCRIPTION

[0012] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0013] Reference Figures 1 to 8 As shown, this embodiment provides a range hood that can solve the problem of oil stains adhering to the fan wheel and volute of a traditional range hood, causing the range hood performance to deteriorate.

[0014] The range hood comprises a hurricane cavity 2, an air inlet channel 4, a high-speed fan, a fume suction port 16, an air filter, a smoke exhaust pipe interface 18 and an air curtain module; the range hood casing comprises double-side smoke collecting plates, a front baffle, a rear baffle, a top cover plate and a bottom plate; the fume suction port is arranged in the middle of the front baffle; and a smoke exhaust pipe interface is arranged on the top cover plate.

[0015] The hurricane cavity 2 is provided with a hurricane cavity left baffle 24, a hurricane cavity right baffle 26, and a hurricane cavity bottom plate 25. The hurricane cavity is connected to the smoke exhaust pipe interface 18. The hurricane cavity 2 is provided with a guide plate 21 near the smoke exhaust pipe interface, and a high-speed fan fixing plate 27 is provided at the lower side of the hurricane cavity bottom plate 25.

[0016] The high-speed fan comprises a high-speed fan body and a high-speed fan outlet pipe. The high-speed fan body is arranged at the lower side of the hurricane cavity bottom plate 25 and fixed on the high-speed fan fixing plate 27. The high-speed fan outlet pipe passes through the hurricane cavity bottom plate and points to the exhaust pipe interface 18. The high-speed fan outlet pipe is provided with a high-speed fan outlet anti-fouling cover 35. With such arrangement, the high-speed fan ejects a high-speed airflow with a speed not less than 29 meters per second, which is discharged through the guide plate 21 and the smoke exhaust pipe interface 18; the greater the air flow rate, the smaller the pressure, so the high-speed airflow forms a stable low-pressure environment in the hurricane cavity 2, and continuously inhales the smoke through the smoke suction port 16, and the smoke is discharged through the smoke exhaust pipe interface along with the high-speed airflow.

[0017] The air inlet channel 4 is arranged outside the hurricane cavity 2 and inside the range hood housing. An air filter device is arranged at the entrance of the air inlet channel 4. The air is filtered and supplied to the high-speed fan to produce a high-speed airflow. The air inlet channel 4 and the hurricane cavity 2 are sealed at the joint to prevent the oil smoke in the hurricane cavity from being sucked into the air inlet channel.

[0018] The air curtain module is arranged in the front cavity of the top of the range hood, and includes an air curtain fan 511, an air curtain duct 512, an air curtain outlet 513 and an air curtain module air filter 514; the air curtain fan inhales air filtered by the air curtain module air filter, blows it into the air curtain duct, and discharges it through the air curtain outlet, forming an air curtain below the air curtain outlet, which works together with the double-sided smoke collecting plates to prevent oil smoke from escaping.

[0019] The top front cavity 5 of the range hood is also provided with a lighting lamp 52 and a power supply module 53; the top front cavity of the range hood is isolated from the air inlet channel by a partition 54 to prevent the air curtain module from being sucked back due to excessive suction of the high-speed fan, thereby ensuring the air quality of the air inlet channel.

[0020] The above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation shall fall within the scope of protection required by the present invention.

Claims

1. The present invention provides a range hood, characterized in that: The range hood comprises a hurricane cavity (2), an air inlet channel (4), a high-speed fan, a fume suction port (16), an air filter, a smoke exhaust pipe interface (18) and an air curtain module; the hurricane cavity (2) is provided with a hurricane cavity left baffle (24), a hurricane cavity right baffle (26) and a hurricane cavity bottom plate (25); the top of the hurricane cavity is connected to the smoke exhaust pipe interface (18); the hurricane cavity (2) is provided with a guide plate (21) near the smoke exhaust pipe interface; and a high-speed fan fixing plate (27) is provided on the lower side of the hurricane cavity bottom plate (25); The high-speed fan comprises a high-speed fan body and a high-speed fan air outlet pipe, the high-speed fan body is arranged on the lower side of the hurricane cavity bottom plate (25) and fixed on the high-speed fan fixing plate (27), and the high-speed fan air outlet pipe passes through the hurricane cavity bottom plate (25) and points to the smoke exhaust pipe interface (18); The air inlet channel (4) is arranged outside the hurricane cavity (2) and inside the range hood casing, an air filter device is arranged at the entrance of the air inlet channel (4), and the oil fume suction port (16), the hurricane cavity (2) and the exhaust pipe interface (18) are connected; The joint between the hurricane cavity (2) and the air inlet channel (4) is sealed; The air curtain module is arranged in the top front cavity (5) of the range hood, and comprises an air curtain fan (511), an air curtain duct (512), an air curtain air outlet (513) and an air curtain module air filter device (514).

2. A range hood according to claim 1, characterized in that: The high-speed fan outlet duct is provided with a high-speed fan outlet anti-fouling cover (35).

3. The range hood according to claim 1, characterized in that: The top front cavity (5) of the range hood comprises an air curtain module, a lighting lamp (52) and a power supply module (53); the top front cavity (5) of the range hood is isolated from the air inlet channel (4) by a partition (54).

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