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Mixed-flow fan blades, air duct structure and air conditioner indoor unit

A mixed flow and fan blade technology, applied in air conditioning systems, piping arrangements, mechanical equipment, etc., can solve problems such as eddy currents, and achieve the effect of improving centrifugal effect, reducing eddy current phenomenon, and increasing the air outlet range.

Pending Publication Date: 2021-02-02
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a mixed-flow fan blade, an air duct structure and an air-conditioning indoor unit to solve the technical problem of the vortex phenomenon between the mixed-flow blades of the mixed-flow fan blade in the prior art

Method used

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  • Mixed-flow fan blades, air duct structure and air conditioner indoor unit
  • Mixed-flow fan blades, air duct structure and air conditioner indoor unit
  • Mixed-flow fan blades, air duct structure and air conditioner indoor unit

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] Such as Figure 1 to Figure 6 As shown, the embodiment of the present invention provides a mixed flow blade 10 , which includes: a hub 11 , a plurality of mixed flow blades 12 and straightening blades 13 . A plurality of mixed flow vanes 12 are arranged on the outer peripheral surface of the hub 11 along the circumferential direction of the hub 11, and a flow guide gap is formed between two adjacent mixed flow blades 12, and the flow guide gap has a circumferential air outlet 14, so as to enter the flow guide gap At least part of the air flow flows out from the circumferential air outlet 14 along the radial direction of the hub 11 under the centrifugal action of the mixing blade 12 . T...

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Abstract

The invention provides mixed-flow fan blades, an air duct structure and an air conditioner indoor unit. The mixed-flow fan blades comprises a hub, a plurality of mixed flow blades and flow adjusting blades, wherein the flow mixing blades are arranged on the outer circumferential surface of the hub in the circumferential direction of the hub, a flow guide gap is formed between every two adjacent mixed flow blades, and each flow guide gap is provided with a circumferential air outlet, so that at least part of airflow entering the flow guide gaps flows out of the circumferential air outlets in the radial direction of the hub under the centrifugal action of the mixed flow blades, the flow adjusting blades are arranged on the outer peripheral surface of the hub, the flow adjusting blades and the mixed flow blades are arranged in in an alternative mode, the length of the flow adjusting blades in the axis extending direction of the hub is smaller than that of the mixed flow blades, and one ends of the flow adjusting blades extend to the end part of the hub so that the airflow at the mixed flow blades can be adjusted through the flow adjusting blades. By means of the technical solution ofthe mixed-flow fan blades, the air duct structure and the air conditioner indoor unit, the technical problem that in the prior art, the vortex phenomenon occurs among the mixed flow blades of the mixed-flow fan blades can be solved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a mixed-flow fan blade, an air duct structure and an air-conditioning indoor unit. Background technique [0002] At present, the mixed-flow blades in the prior art generally include a hub and mixed-flow blades, and the mixed-flow blades are arranged on the hub. Generally, the running noise problem is controlled by controlling the number of fan blades, but when there are fewer fan blades, the work done by the fan blades is small, which will affect the air volume, and when the distance between the fan blades is large, the airflow between the blades will be generated. Eddy currents, eddy currents create noise. Contents of the invention [0003] The main purpose of the present invention is to provide a mixed-flow fan blade, an air duct structure and an air-conditioning indoor unit to solve the technical problem of the vortex phenomenon between the mixed-flow blades of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/26F04D29/66F24F1/0018F24F13/02F24F13/24
CPCF04D29/26F04D29/666F04D29/667F24F1/0018F24F13/02F24F13/24F24F2013/247
Inventor 董明珠陈诚何振健王千千戴志炜吴晓岳
Owner GREE ELECTRIC APPLIANCES INC
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