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CN-224219961-U - Exhaust structure and cooking device

CN224219961UCN 224219961 UCN224219961 UCN 224219961UCN-224219961-U

Abstract

The application relates to the technical field of kitchen appliances, in particular to an exhaust structure and a cooking device. The exhaust structure comprises an air duct assembly, a condensing pipe, a water receiving box, a return pipe and a water inlet pipeline, wherein the air duct assembly is provided with an air duct, the condensing pipe is at least partially positioned in the air duct and is configured to guide steam in a cooking cavity, the condensing pipe is provided with a spill hole and a return hole, the spill hole and the return hole are both positioned in the air duct, the water receiving box is arranged below the condensing pipe and is communicated with the air duct and is configured to collect condensed water dropping from the return hole, one end of the return pipe is communicated with the inside of the water receiving box, and the other end of the return pipe is configured to be connected with the water inlet pipeline of the cooking device. The exhaust structure provided by the application can reduce the amount of steam flowing out of the air duct assembly. The condensate water in the water receiving box enters the water inlet pipeline of the cooking device through the return pipe, so that the condensate water can be reused, the steam utilization rate is improved, and the duration of the cooking device is prolonged.

Inventors

  • PAN YANLI
  • WEN GUANGCAI
  • RUAN HUAPING
  • REN FUJIA

Assignees

  • 杭州老板电器股份有限公司

Dates

Publication Date
20260512
Application Date
20250411

Claims (10)

  1. 1. An exhaust structure for a cooking device having a cooking cavity, the exhaust structure comprising: An air duct assembly (100) having an air duct (110); The condensing pipe (200) is at least partially positioned in the air duct (110), the condensing pipe (200) is configured to guide steam in the cooking cavity, the condensing pipe (200) is provided with a spill hole (210) and a backflow hole (220), and the spill hole (210) and the backflow hole (220) are positioned in the air duct (110); A water receiving box (300) arranged below the condensing pipe (200), wherein the water receiving box (300) is communicated with the air duct (110), and the water receiving box (300) is configured to collect condensed water dropping from the backflow hole (220); -a return pipe (400), one end of the return pipe (400) being in communication with the interior of the water receiving box (300), the other end of the return pipe (400) being configured to be connected to a water inlet line (40) of a cooking device.
  2. 2. The venting structure of claim 1, wherein one end of the condensation duct (200) is closed, and the other end of the condensation duct (200) is configured to introduce steam into the cooking cavity.
  3. 3. The structure according to claim 1, wherein the overflow holes (210) are provided at an upper side of the condensation duct (200), and/or, The return hole (220) is provided on the lower side of the condensation duct (200).
  4. 4. The exhaust structure according to claim 1, wherein the condenser tube (200) comprises a first tube section (230), a connecting tube section (250) and a second tube section (240) connected end to end in sequence, at least two of the first tube section (230), the connecting tube section (250) and the second tube section (240) being arranged non-collinearly; An end of the first tube section (230) remote from the connecting tube section (250) is configured to introduce steam into the cooking cavity; At least one of the first pipe section (230), the connecting pipe section (250) and the second pipe section (240) is provided with the spill orifice (210), and at least one of the first pipe section (230), the connecting pipe section (250) and the second pipe section (240) is provided with the backflow orifice (220).
  5. 5. The exhaust structure according to claim 4, wherein a plurality of heat radiating fins (260) are provided on an outer side wall of the first pipe section (230), and the plurality of heat radiating fins (260) are arranged at intervals along an extending direction of the first pipe section (230).
  6. 6. The exhaust structure according to claim 1, characterized in that the condensation duct (200) is a straight duct.
  7. 7. The exhaust structure according to claim 6, wherein a plurality of heat radiating fins (260) are provided on an outer side wall of the condensation duct (200), and the plurality of heat radiating fins (260) are provided at intervals along an extending direction of the condensation duct (200).
  8. 8. The exhaust structure according to any one of claims 1-7, wherein the air duct assembly (100) includes an air duct floor (120) and an air duct cover (130) disposed over the air duct floor (120), the air duct floor (120) and the air duct cover (130) defining the air duct (110); The water receiving box (300) is installed on the air duct bottom plate (120), and the water receiving box (300) is arranged in a downward concave manner relative to the top surface of the air duct bottom plate (120).
  9. 9. The exhaust structure according to claim 8, wherein the duct base plate (120) has a recess (121) provided in a downward depression, and the water receiving box (300) is mounted to a bottom wall of the recess (121) and provided in a downward depression with respect to the bottom wall of the recess (121); A projection of a part of the condensing tube (200) provided with the reflow hole (220) in the vertical direction is positioned in the groove (121).
  10. 10. A cooking device characterized by comprising a liner (20), an exhaust pipe (30), a water tank, a water intake pipe (40) and an exhaust structure according to any one of claims 1-9; The inner container (20) is provided with a cooking cavity, the exhaust pipe (30) is communicated with the cooking cavity and a condensing pipe (200) of the exhaust structure, the water tank is arranged on the inner container (20), the water inlet pipeline (40) is connected with the water tank, and a return pipe (400) of the exhaust structure is connected with the water inlet pipeline (40).

Description

Exhaust structure and cooking device Technical Field The application relates to the technical field of kitchen appliances, in particular to an exhaust structure and a cooking device. Background The steam box, the steam oven and other cooking devices have the steam cooking function, and food materials are cooked through steam, so that the requirements of users on healthy diet are met. A cooking apparatus having steam cooking requires a large amount of steam to be discharged during cooking. At present, an exhaust structure is arranged on the inner container of the cooking device, and the exhaust structure is positioned on the outer side of a cooking cavity of the inner container. The exhaust structure comprises an air duct component and a fan, the air duct component is arranged on the inner container, and steam exhausted from the cooking cavity can enter the air duct component of the exhaust structure and is driven by the fan to be exhausted from an air outlet of the air duct component. However, a large amount of water vapor may adhere to the cabinet due to the steam discharged from the exhaust structure, resulting in problems such as mold generation of the cabinet, and accumulation of condensed water generated by condensation of the steam in the exhaust structure may easily cause bacterial growth. Disclosure of utility model Based on the above, the application provides an exhaust structure and a cooking device, which are used for solving the problems that more steam is exhausted by the exhaust structure in the related art, the cabinet is easy to mold and condensed water generated by condensation causes bacteria to grow. In a first aspect, an embodiment of the present application provides an exhaust structure, which is applied to a cooking apparatus, the cooking apparatus having a cooking cavity, the exhaust structure including: the air duct assembly is provided with an air duct; The condensing pipe is at least partially positioned in the air duct, the condensing pipe is configured to guide steam in the cooking cavity, and is provided with a overflow hole and a reflux hole, and the overflow hole and the reflux hole are positioned in the air duct; The water receiving box is arranged below the condensing pipe and communicated with the air duct, and is configured to collect condensed water dropping from the backflow hole; and one end of the return pipe is communicated with the interior of the water receiving box, and the other end of the return pipe is configured to be connected with a water inlet pipeline of the cooking device. In one possible implementation, one end of the condensation duct is closed, the other end of the condensation duct being configured to introduce steam into the cooking cavity. In one possible implementation, the spill orifice is provided on the upper side of the condenser tube, and/or, The reflux hole is arranged at the lower side of the condensing tube. In one possible implementation, the condensing tube comprises a first tube section, a connecting tube section and a second tube section which are connected end to end in sequence, wherein at least two of the first tube section, the connecting tube section and the second tube section are arranged in a non-collinear manner; An end of the first tube section remote from the connecting tube section is configured to direct steam into the cooking cavity; at least one of the first pipe section, the connecting pipe section and the second pipe section is provided with a spill hole, and at least one of the first pipe section, the connecting pipe section and the second pipe section is provided with a reflow hole. In one possible implementation manner, a plurality of heat dissipation fins are arranged on the outer side wall of the first pipe section, and the plurality of heat dissipation fins are arranged at intervals along the extending direction of the first pipe section. In one possible implementation, the condenser tube is a straight tube. In one possible implementation, a plurality of heat dissipation fins are disposed on the outer side wall of the condensation tube, and the plurality of heat dissipation fins are disposed at intervals along the extending direction of the condensation tube. In one possible implementation, the air duct assembly includes an air duct base and an air duct cover disposed above the air duct base, the air duct base and the air duct cover defining an air duct; the water receiving box is arranged on the air duct bottom plate and is arranged in a downward concave manner relative to the top surface of the air duct bottom plate. In one possible implementation manner, the air duct bottom plate is provided with a groove which is arranged in a downward concave manner, and the water receiving box is arranged on the bottom wall of the groove and is arranged in a downward concave manner relative to the bottom wall of the groove; The projection of the part of the condensing tube provided with the reflow hole in the vertical directi