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a range hood

A technology for range hoods and fan racks, which is applied in the direction of removing oil fume, mechanical equipment, machines/engines, etc. It can solve the problems of unsatisfactory range hood effect, unadjustable air volume, and short service life, so as to improve the effect of range hood, Reduce turbulence noise and fan system noise, improve noise reduction effect

Active Publication Date: 2022-02-08
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this kind of range hood, the effective air inlet area of ​​the fan system is fixed, and the air volume cannot be adjusted when the gear is fixed, so it cannot be adjusted according to the actual situation, and the effect of the range hood is not ideal; short service life

Method used

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Examples

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions.

[0025] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element must have a particular orientation, be constructed, and operate in a particular orientatio...

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PUM

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Abstract

The invention discloses a range hood, which includes a fan frame and a fan system arranged in the fan frame, the fan system includes a volute, and an air inlet is formed on the volute, and is characterized in that: An air volume control and noise reduction assembly is also provided in the frame, and the air volume control and noise reduction assembly includes an air volume control board assembly disposed on the air inlet facing the outer side of the volute, and the air volume control board assembly includes an air volume control board assembly adjacent to the air inlet. The first air volume control board and the second air volume control board are provided, and the first air volume control board and the second air volume control board can move toward or away from each other, so as to close or open the air inlet. Compared with the prior art, the present invention has the advantage that by setting the air volume control board assembly, the opening and closing of the air inlet or the size of the air inlet can be adjusted according to the actual flow of oil fume, thereby improving the effect of oil fume absorption.

Description

technical field [0001] The invention relates to a cooking fume purifying device, in particular to a range hood. Background technique [0002] Range hoods have become one of the indispensable kitchen appliances in modern families. The range hood uses the principle of fluid dynamics to work, sucks and exhausts the range hood through a centrifugal fan installed inside the range hood, and uses a filter to filter some grease particles. The centrifugal fan includes a volute, an impeller installed in the volute and a motor that drives the impeller to rotate. When the impeller rotates, a negative pressure suction is generated in the center of the fan, and the oil fume under the range hood is sucked into the fan, and after being accelerated by the fan, it is collected by the volute and guided out of the room. [0003] Existing range hoods, such as the Chinese patent application number 201620958143.8, disclose a three-dimensional noise reduction system for diversion and sound absorp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20F04D25/06F04D29/42F04D29/66
CPCF24C15/20F24C15/2021F04D29/4226F04D29/664F04D25/0606
Inventor 王潭唐兴旺茅忠群施旭娜
Owner NINGBO FOTILE KITCHEN WARE CO LTD