CN-121993464-A - Alternating jet flow generating device and foreign matter removing equipment

CN121993464ACN 121993464 ACN121993464 ACN 121993464ACN-121993464-A

Abstract

The application provides an alternating jet flow generating device and foreign matter removing equipment, which comprises a jet flow deflection cavity and a resonant cavity, wherein the jet flow deflection cavity comprises a main pipeline, two groups of branch pipelines and a backflow pipeline which are respectively positioned at two sides of the jet flow deflection cavity, the outgoing end of the main pipeline is respectively communicated with the incoming ends of the two branch pipelines, the outgoing end of the backflow pipeline is communicated with the middle section of the main pipeline, the incoming end of the backflow pipeline is communicated with the outgoing end of the main pipeline, the outgoing ends of the backflow pipeline and the incoming ends of the branch pipelines at opposite sides face each other, the resonant cavity comprises a shell and a resonant pipeline, the shell is provided with a top part, a bottom part and an inner cavity, the top part faces the jet flow deflection cavity, the resonant pipeline penetrates through the top part and the bottom part of the shell, a plurality of through holes are distributed on the wall of the resonant pipeline, and the through holes are communicated with the inner parts of the resonant pipeline. The device simplifies the structure of the alternating jet flow generating device, and gets rid of the dependence on an external power source, thereby improving the reliability of the alternating jet flow generating device.

Inventors

JIANG TAO
XU ZHIWU
YANG XIANMING
YUAN HAOBO
LING YAN

Assignees

因湃电池科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260206

Claims (10)

1. The alternating jet flow generating device is characterized by comprising at least M jet flow deflection cavities and at least two resonant cavities, wherein M is more than 0; The jet deflection cavity comprises a main pipeline, two groups of branch pipelines and a return pipeline, wherein the two groups of branch pipelines are respectively positioned at two sides of the main pipeline; The outgoing end of the backflow pipeline is communicated with the middle section of the main pipeline, the incident end of the backflow pipeline is communicated with the outgoing end of the main pipeline, and the outgoing end of the backflow pipeline and the incident end of the branch pipeline on the opposite side face each other; the resonant cavity comprises a shell and a resonant pipeline, wherein the shell is provided with a top, a bottom and an internal cavity, the top faces the jet deflection cavity, the resonant pipeline penetrates through the top and the bottom of the shell, a plurality of through holes are distributed on the pipe wall of the resonant pipeline, and the through holes are communicated with the cavity and the interior of the resonant pipeline; Among the M jet deflection cavities, the branch pipelines of the X jet deflection cavities are communicated with the incident ends of main pipelines of other jet deflection cavities, the emergent ends of the branch pipelines of the other M-X jet deflection cavities are communicated with one end of a resonance pipeline of the resonance cavity, X is more than or equal to 0, and the other ends of the resonance pipelines of the resonance cavity communicated with the branch pipelines are communicated with the resonance pipelines of other resonance cavities.
2. The alternating jet generating device according to claim 1, wherein two of the return pipes are symmetrical about a longitudinal direction of the main pipe as a symmetry axis.
3. The alternating jet generating device according to claim 1, wherein the return conduit is circular arc-shaped.
4. The alternating jet flow generating device according to claim 1, wherein the pipe walls of the two branch pipes are formed with a flow guiding cone at the exit end of the main pipe; the conical part of the guide cone and the emergent end of the main pipeline face each other.
5. The alternating jet generating device according to claim 1, wherein the outgoing end of the return conduit and the incoming end of the branch conduit are formed with a splitting wedge; The splitting wedge has a tip directed towards the exit end of the main conduit.
6. The alternating jet generating device according to claim 1, wherein M = 3 and x = 2.
7. The alternating jet generating device according to claim 1, wherein a shortest distance from a first end of the through hole to the bottom is larger than a shortest distance from a second end to the bottom, wherein the first end of the through hole communicates with the inside of the resonance tube, and the second end of the through hole communicates with the cavity.
8. The alternating jet generating device according to claim 1, wherein an inner diameter of an end of the resonance conduit near the top end is smaller than an inner diameter between the ends of the resonance conduit.
9. The alternating jet generating device according to claim 1, wherein the number of the resonant cavities is 8; the number of resonant cavities to which the resonant pipelines communicated with the branch pipelines belong is 4, and one ends of the 4 resonant pipelines close to the bottom are respectively communicated with the resonant pipelines of the rest resonant cavities.
10. Foreign matter removal apparatus comprising an air extraction device and an alternating jet generating device according to any one of claims 1 to 9; The air extracting device is provided with an air extracting opening; And in the process of removing the foreign matters on the target surface, the output end of the alternating jet flow generating device is used for outputting alternating jet flow, and the alternating jet flow passes through the target surface and is absorbed by the extraction opening.

Description

Alternating jet flow generating device and foreign matter removing equipment Technical Field The application relates to the technical field of fluid mechanics, in particular to an alternating jet flow generating device and foreign matter removing equipment. Background The alternating jet generating device is generally used for applying energy of fluid such as gas or liquid to a target object in a directional and periodical change manner so as to achieve the purposes of efficient cleaning, intensified mixing and the like. The traditional alternating jet flow generating device mainly comprises a mechanical driving type, wherein a flow channel is periodically switched or the direction of a nozzle is changed through an external power source such as a motor, an electromagnetic valve or piezoelectric ceramics, so that jet flows with alternating directions are output. However, the conventional alternating jet generating device has the problems of low reliability, high cost and the like due to the complex structure and the easy-to-wear moving parts. Disclosure of Invention The application aims to provide an alternating jet flow generating device and foreign matter removing equipment, which can simplify the structure of the alternating jet flow generating device and get rid of the dependence on an external power source by arranging a jet flow deflection cavity and a resonant cavity, so that the reliability of the alternating jet flow generating device can be improved, and the production, maintenance and use cost of the alternating jet flow generating device can be reduced. The application provides an alternating jet flow generating device, which comprises at least M jet flow deflection cavities and at least two resonant cavities, wherein M is more than 0, each jet flow deflection cavity comprises a main pipeline, two groups of branch pipelines and a backflow pipeline which are respectively positioned at two sides of the main pipeline, the outgoing ends of the main pipeline are respectively communicated with the incoming ends of the two branch pipelines, the outgoing ends of the backflow pipeline are communicated with the middle section of the main pipeline, the incoming ends of the backflow pipeline are communicated with the outgoing ends of the main pipeline, the outgoing ends of the backflow pipeline and the incoming ends of the branch pipelines at the opposite sides face each other, each resonant cavity comprises a shell and a resonant pipeline, the shell is provided with a top, a bottom and an inner cavity, the top faces the jet flow deflection cavity, the resonant pipelines penetrate through the top and the bottom of the shell, a plurality of through holes are distributed on the walls of the resonant pipelines, the through holes are communicated with the inner parts of the two branch pipelines, among the M jet flow deflection cavities, the jet flow of the X jet flow deflection cavities and the outgoing pipelines of the main pipeline of the jet flow deflection cavities are communicated with the outgoing ends of the jet flow deflection cavities, and the outgoing ends of the branch pipelines of the jet flow deflection cavities are communicated with the resonant cavities of the resonant cavities, and the other resonant cavities of the X are communicated with the resonant cavities of the resonant cavities, and the other resonant cavities of the resonant cavities are communicated with the resonant cavities of the X-X is more than 0. According to the alternating jet flow generating device, the structure of the alternating jet flow generating device is simplified by arranging the jet flow deflection cavity and the resonant cavity, and dependence on an external power source is eliminated, so that the reliability of the alternating jet flow generating device is improved, and the production, maintenance and use cost of the alternating jet flow generating device are reduced. In particular, when the alternating jet flow generating device provided by the embodiment of the application is used for cleaning foreign matters, the adsorption force between particles of the foreign matters and the target surface can be broken through based on the synergistic effect of high-speed air flow emitted by the alternating jet flow generating device and periodically oscillating ultrasonic waves, so that the effect of cleaning the foreign matters is improved. With reference to the first aspect, optionally, the two return pipes are symmetrical with respect to the length direction of the main pipe as a symmetry axis. According to the alternating jet flow generating device, through the symmetrical design of the two backflow pipelines, the frequency of the air flow on the two sides of the inner wall of the main pipeline is further ensured to be equal in the alternative approach, and therefore the stability of the frequency of the air flow when the air flow comes out from the output end of the alternating jet flow generating device is further ensu