CN116107136A - Lens anti-fouling device and method for collecting dust particle images - Google Patents
Lens anti-fouling device and method for collecting dust particle images Download PDFInfo
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- CN116107136A CN116107136A CN202310064683.6A CN202310064683A CN116107136A CN 116107136 A CN116107136 A CN 116107136A CN 202310064683 A CN202310064683 A CN 202310064683A CN 116107136 A CN116107136 A CN 116107136A
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- dust
- dustproof
- dust particle
- air curtain
- lens
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a lens anti-fouling device and method for collecting dust particle images, and belongs to the field of particle image identification. The upper surface of the dustproof shell is of an inverted funnel-shaped structure, and the dustproof air curtain is arranged on the inverted funnel-shaped structure, so that the dust particle mixture can be easily guided into the center of the dustproof shell; and the dust particle mixture can be led into the discharge port by combining the positive funnel-shaped structure, so that the dust particles are prevented from entering the lighting port. Therefore, the anti-fouling device has the advantages that the upper surface and the lower bottom surface of the dustproof shell are arranged to be of special appearance structures, and the anti-fouling air curtain is arranged on the inverted funnel-shaped structure, so that the camera can be ensured not to be polluted when the camera collects dust particle images, and the collected dust particle images are clearer. Two circular structures are formed through a plurality of first-stage dustproof air curtains and a plurality of second-stage dustproof air curtains, so that dust cleaning is more thorough. The adjustable nozzles are arranged below the primary dust-proof air curtain and the secondary dust-proof air curtain, and the air blowing angle can be adjusted as required.
Description
Technical Field
The invention belongs to the technical field of particle image recognition, and relates to a lens anti-fouling device and method for collecting dust particle images.
Background
The image recognition technology is regarded as a reliable online monitoring technology as a non-contact measurement means, can monitor the form, the motion state and the like of an observation target and acquire data parameters of the observation target in real time, and is used in part of fields. For dynamic particle image identification, the technology is limited by the problem of lens pollution and is not used in large scale, taking on-line monitoring of coal powder particles of a coal-fired power plant as an example, the monitoring section is in wind-powder two-phase flow disturbance, so that the coal powder particles are easy to contaminate lenses, and an on-line monitoring system cannot accurately obtain data such as coal powder fineness.
At present, the dynamic dust particle image recognition technology is still in a research and development stage, and the problem of lens antifouling is solved, so that the method has important significance for industrial application of the dynamic dust particle image recognition technology. However, the existing dust removing device cannot clear pollutants of a camera lens, so that acquired images are unclear, and the image recognition equipment cannot accurately obtain data such as coal dust fineness.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a camera lens is easy to be polluted by dust particles when dust particle images are acquired, and the acquired images are unclear because the conventional dust removing device cannot clean pollutants of the camera lens.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a lens anti-fouling device for collecting dust particle images, which comprises a dustproof shell;
the upper surface of the dustproof shell is of an inverted funnel-shaped structure, and the lower bottom surface of the dustproof shell is of a positive funnel-shaped structure; a feed inlet is formed in the center of the inverted funnel-shaped structure, and a discharge outlet is formed in the center of the positive funnel-shaped structure; a dustproof air curtain for blocking dust particles is arranged on the inverted funnel-shaped structure; lighting ports are symmetrically formed in two sides of the dustproof shell.
Preferably, dustproof organic glass sheets are arranged on the two lighting ports.
Preferably, two lens wind sweeping nozzles for cleaning dust on the dustproof organic glass sheet are arranged on the upper surface of the dustproof shell, and the two lens wind sweeping nozzles are symmetrically arranged;
and a pipeline is arranged in the lens wind sweeping nozzle, one end of the pipeline is positioned outside the dustproof shell, and the other end of the pipeline is arranged opposite to the dustproof organic glass sheet.
Preferably, the dustproof air curtain comprises a primary dustproof air curtain and a secondary dustproof air curtain; the first-stage dust-proof air curtain and the second-stage dust-proof air curtain are both provided with a plurality of air curtains;
the first round structure is formed by the arrangement of the first-stage dustproof air curtains around the feeding hole, the second round structure is formed by the arrangement of the second-stage dustproof air curtains around the feeding hole, and the first round structure and the second round structure are installed in a stepped mode.
Preferably, first adjustable nozzles are arranged below the first-stage dust-proof air curtain.
Preferably, the second adjustable nozzles are arranged below the secondary dust-proof air curtain.
Preferably, the plurality of first-stage dust-proof air curtains and the plurality of second-stage dust-proof air curtains are arranged at equal intervals.
Preferably, the opening of the inverted funnel is larger than the opening of the positive funnel.
Preferably, a lighting lamp is installed at any lighting port.
The invention provides an anti-fouling method of a lens anti-fouling device for collecting dust particle images, which comprises the following steps:
introducing the dust particle mixture from the feed port into the interior of the dust enclosure;
the dust-proof air curtain gathers the dust particle mixture in the center of the dust-proof shell;
the camera collects dust particle images at any lighting port, and dust particle mixture is led out from the discharge port.
Compared with the prior art, the invention has the following beneficial effects:
according to the lens anti-fouling device for collecting dust particle images, the upper surface of the dustproof shell is of the inverted funnel-shaped structure, and the dust-proof air curtain is arranged on the inverted funnel-shaped structure, so that a dust particle mixture can be easily led into the center of the dustproof shell; and the dust particle mixture can be led into the discharge port by combining the positive funnel-shaped structure, so that the dust particles are prevented from entering the lighting port. Therefore, the anti-fouling device provided by the invention has the advantages that the upper surface and the lower bottom surface of the dustproof shell are of special appearance structures, and the anti-fouling air curtain is arranged on the inverted funnel-shaped structure, so that the lens is not polluted when a camera collects dust particle images, and the collected dust particle images are clearer.
Furthermore, a dustproof organic glass sheet is arranged at the lighting opening, so that residual dust cleaned by the dustproof air curtain is prevented from adhering to a camera lens through the lighting opening, and the lens is polluted.
Further, two lenses are installed to sweep wind spout to install the pipeline in the lens sweeps wind spout, on the one hand can sweep the dust granule that breaks through dust-proof air curtain very little, make the image that gathers clearer, and then discernment is more accurate, on the other hand can form the malleation atmosphere in the local region behind the dust-proof air curtain, further suppresses the diffusion of dust at dustproof shell.
Further, through installing a plurality of first-level dustproof air curtain and a plurality of second-level dustproof air curtain to form two circular structures, can make the dust clean more thoroughly.
Further, adjustable nozzles are arranged below the primary dust-proof air curtain and below the secondary dust-proof air curtain, and the blowing angle can be adjusted as required.
Further, a lighting lamp is installed at any lighting port, so as to be applicable to any time period.
According to the anti-fouling method of the lens anti-fouling device for collecting dust particle images, provided by the invention, the dust particle mixture is mainly gathered in the center of the dustproof shell by the dust-proofing air curtain, and the dust particle images are collected at any lighting port by the camera conveniently by combining the special structure of the dustproof shell, so that the cleaning of pollutants of the camera lens is realized.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a lens anti-fouling device for collecting dust particle images according to the present invention.
Wherein: 1-dustproof organic glass sheet, 2-lens wind-sweeping nozzle, 3-dustproof shell, 4-first-stage dustproof air curtain, 5-second-stage dustproof air curtain, 6-feed inlet, 7-first adjustable nozzle, 8-discharge outlet, 9-pipeline, 10-second adjustable nozzle, 11-lighting lamp, 12-camera, 13-compressed air and 14-dust particle mixture.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The invention is described in further detail below with reference to the attached drawing figures:
according to the lens anti-fouling device for collecting dust particle images, as shown in fig. 1, the upper surface of the dustproof shell 3 is of an inverted funnel-shaped structure, the lower bottom surface of the dustproof shell 3 is of a positive funnel-shaped structure, and the opening of the inverted funnel-shaped structure is larger than that of the positive funnel-shaped structure. A feed inlet 6 is formed in the center of the inverted funnel-shaped structure, and a discharge outlet 8 is formed in the center of the positive funnel-shaped structure; a dustproof air curtain for blocking dust particles is arranged on the inverted funnel-shaped structure; lighting ports are symmetrically formed in two sides of the dustproof shell 3, so that the camera 12 can collect dust particle images at any lighting port conveniently. The illumination lamp 11 is installed at any one of the light collection ports in order to make the dust-proof housing suitable for any illumination condition.
The dustproof air curtain comprises a first-stage dustproof air curtain 4 and a second-stage dustproof air curtain 5, and the first-stage dustproof air curtain 4 and the second-stage dustproof air curtain 5 are provided with a plurality of dustproof air curtains. The first round structure is formed by the arrangement of the first-stage dustproof air curtains 4 around the feed inlet 6, the second round structure is formed by the arrangement of the second-stage dustproof air curtains 5 around the feed inlet 6, and the first round structure and the second round structure are installed in a stepped mode, so that dust can be fully isolated at the center of the dustproof shell 3. The first adjustable nozzles 7 are arranged below the first-stage dust-proof air curtain 4, and the second adjustable nozzles 10 are arranged below the second-stage dust-proof air curtain 5, so that the air curtains at different angles are obtained, and different experimental requirements are met. The first-stage dustproof air curtain 4 and the second-stage dustproof air curtain 5 are arranged at equal intervals, and when compressed air 13 passes through the first-stage dustproof air curtain 4 and the second-stage dustproof air curtain 5, the dust isolation strength is the same, so that the dust removal efficiency is improved.
The dustproof organic glass sheets 1 are arranged on the two lighting ports, so that residual dust cleaned by the dustproof air curtain is prevented from adhering to lenses of the camera 12 through the lighting ports, and the lenses of the camera 12 are polluted. The upper surface of the dustproof shell 3 is provided with two lens wind sweeping nozzles 2 for cleaning dust on the dustproof organic glass sheet 1, and the two lens wind sweeping nozzles 2 are symmetrically arranged; a pipeline 9 is arranged in the lens wind sweeping nozzle 2, one end of the pipeline 9 is positioned outside the dustproof shell 3, and the other end of the pipeline 9 is arranged opposite to the dustproof organic glass sheet 1. On one hand, dust particles breaking through the dustproof air curtain very little can be purged, so that collected images are clearer, identification is more accurate, on the other hand, a positive pressure atmosphere can be formed in a local area behind the dustproof air curtain, and dust is further inhibited from diffusing in the dustproof shell 3.
The invention provides an anti-fouling method of a lens anti-fouling device for collecting dust particle images, which comprises the following steps:
introducing the dust particle mixture 14 from the feed opening 6 into the interior of the dust-proof housing 3;
the dust-proof air curtain gathers the dust particle mixture 14 in the center of the dust-proof housing 3;
the camera 12 captures images of dust particles at any one of the light collection ports, and a dust particle mixture 14 is led out from the discharge port 8.
The invention provides a specific working principle and working process of a lens anti-fouling device for collecting dust particle images, wherein the specific working principle and working process are as follows: the dust particle mixture 14 flows through the feed inlet 6 and then enters the dust-proof shell 3, and finally flows out of the discharge outlet 8. The dustproof organic glass sheet 1 disposed at both sides of the dustproof housing 3 can prevent dust from directly contaminating the camera 12 and the illumination lamp 11.
Specific: the invention designs a special-shaped dustproof shell 3, the top of the dustproof shell 3 is designed into a plane with a certain gradient (namely an inverted funnel-shaped structure), a plurality of first dustproof air curtains 4 and a plurality of second dustproof air curtains 5 are arranged on the plane in a gradient manner, the bottom of the dustproof shell is designed into a large-gradient plane (namely a positive funnel-shaped structure), two planes form a converging type pipeline, and when part of dust particle mixture 14 spreads out of an impact wall surface, the converging type pipeline enables most of wind powder to flow to a discharge port 8 along the gradient plane under the influence of inertia; a plurality of first dust-proof air curtains 4 and a plurality of second dust-proof air curtains 5 are arranged at the top of the dust-proof shell 3 in a gradient manner, air sources of the dust-proof air curtains come from compressed air 13, after entering the air chamber, the air flows of the dust-proof air curtains are adjusted according to different air powder mixing flow states through a first adjustable nozzle 7 and a second adjustable nozzle 10, so that a plurality of high-speed high-pressure air curtains are formed to isolate an air powder converging flow and the dust-proof organic glass sheet 1, and the dust-proof effect of the lens is achieved. The lens wind-sweeping nozzle 2 is arranged at the position close to the dustproof organic glass sheet 1, on one hand, the lens wind-sweeping can sweep dust particles which break through the wind curtain very little, so that image recognition is more accurate, on the other hand, the arrangement of the lens wind-sweeping nozzle 1 for sweeping wind can form a positive pressure atmosphere in a local area behind the dustproof wind curtain, and further, the wind-powder mixing flow is further restrained from diffusing in the dustproof shell 3.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The lens anti-fouling device for collecting dust particle images is characterized by comprising a dustproof shell (3);
the upper surface of the dustproof shell (3) is of an inverted funnel-shaped structure, and the lower bottom surface of the dustproof shell (3) is of a positive funnel-shaped structure; a feed inlet (6) is formed in the center of the inverted funnel-shaped structure, and a discharge outlet (8) is formed in the center of the positive funnel-shaped structure; a dustproof air curtain for blocking dust particles is arranged on the inverted funnel-shaped structure; lighting ports are symmetrically formed in two sides of the dustproof shell (3).
2. The lens anti-fouling device for collecting dust particle images according to claim 1, characterized in that a dustproof organic glass sheet (1) is mounted on both lighting openings.
3. The lens anti-fouling device for collecting dust particle images according to claim 2, wherein two lens wind sweeping nozzles (2) for cleaning dust on the dustproof organic glass sheet (1) are arranged on the upper surface of the dustproof shell (3), and the two lens wind sweeping nozzles (2) are symmetrically arranged;
install pipeline (9) in lens wind spout (2), the one end of pipeline (9) is located dustproof shell (3) outward, the other end of pipeline (9) sets up against dustproof organic glass piece (1).
4. The lens anti-fouling device for collecting dust particle images according to claim 1, characterized in that the dust-proof air curtain comprises a primary dust-proof air curtain (4) and a secondary dust-proof air curtain (5); the first-stage dustproof air curtain (4) and the second-stage dustproof air curtain (5) are provided with a plurality of air curtains;
a plurality of first-stage dustproof air curtains (4) form a first circular structure around a feed inlet (6), a plurality of second-stage dustproof air curtains (5) form a second circular structure around the feed inlet (6), and the first circular structure and the second circular structure are installed in a step mode.
5. The lens anti-fouling device for collecting dust particle images according to claim 4, characterized in that a first adjustable nozzle (7) is arranged below the primary dust-proof air curtain (4).
6. The lens anti-fouling device for collecting dust particle images according to claim 4, characterized in that a second adjustable nozzle (10) is arranged below the secondary dust-proof air curtain (5).
7. The lens anti-fouling device for collecting dust particle images according to claim 4, wherein a plurality of primary dust-proof air curtains (4) and a plurality of secondary dust-proof air curtains (5) are arranged at equal intervals.
8. The lens anti-fouling device of claim 1 wherein the opening of the inverted funnel is larger than the opening of the positive funnel.
9. The lens anti-fouling device for collecting dust particle images according to claim 1, wherein an illuminating lamp (11) is installed at any one of the lighting ports.
10. An antifouling method using the lens antifouling device for collecting dust particle images according to any of claims 1 to 9, comprising the steps of:
introducing a dust particle mixture (14) from a feed opening (6) into the interior of the dust-proof housing (3);
the dust-proof air curtain gathers the dust particle mixture (14) in the center of the dust-proof shell (3);
the camera (12) collects dust particle images at any lighting port, and a dust particle mixture (14) is led out from the discharge port (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310064683.6A CN116107136A (en) | 2023-01-16 | 2023-01-16 | Lens anti-fouling device and method for collecting dust particle images |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310064683.6A CN116107136A (en) | 2023-01-16 | 2023-01-16 | Lens anti-fouling device and method for collecting dust particle images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116107136A true CN116107136A (en) | 2023-05-12 |
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ID=86255717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310064683.6A Pending CN116107136A (en) | 2023-01-16 | 2023-01-16 | Lens anti-fouling device and method for collecting dust particle images |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116107136A (en) |
-
2023
- 2023-01-16 CN CN202310064683.6A patent/CN116107136A/en active Pending
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