CN220321242U

CN220321242U - Coaxial light source

Info

Publication number: CN220321242U
Application number: CN202321430837.0U
Authority: CN
Inventors: 陈志海; 王智峰
Original assignee: Inner Mongolia Leading Optoelectronic Technology Co ltd
Current assignee: Inner Mongolia Leading Optoelectronic Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-01-09
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of visual light sources, in particular to a coaxial light source. The device comprises a shell, wherein a detection port is formed in the rear end of the shell, a light outlet is formed in one end, opposite to the detection port, of the shell, a flat-mouth-shaped air blowing part is arranged on the upper portion of the light outlet, and the air blowing part is connected with a pressure air source. The blowing part is connected with the pressure air source to purge the light outlet, the blowing service life of foreign matters can be prolonged without physically contacting lenses of the light outlet, the maintenance is simple, the cylindrical pipe is inserted in the air collecting cavity, and the cooling plate can be conveniently separated from the blowing part during disassembly and is convenient to disassemble.

Description

Coaxial light source

Technical Field

The utility model relates to the technical field of visual light sources, in particular to a coaxial light source.

Background

The light source structure applied in machine vision mainly comprises: the backlight source, the coaxial light source, the non-coaxial diffuse reflection light, the polarized light and the like, the coaxial light source can provide more uniform illumination than the traditional light source, and meanwhile, the reflection of an object is avoided, so that the accuracy and the reproducibility of machine vision are improved. However, in some working scenes with poor working environments, the light outlet of the coaxial light source is easy to splash dust and other foreign matters to shield the detection sight, so that an unstable factor is brought to the normal operation of the system. The Chinese patent application with publication number of CN215768209U in the prior art discloses a coaxial light source for visual detection, and the purpose of removing dust is achieved by arranging a brush at a light outlet, but the brush has general cleaning capacity, and the brush needs to be replaced after being used for a period of time, so that the maintenance is troublesome; meanwhile, the brush can also shield the light outlet when brushing out foreign matters, so that the normal work of the camera is affected, the practicability is poor, and the recognition efficiency of the camera is reduced.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a coaxial light source, wherein the coaxial light source adopts an air blowing part to blow a light outlet, so that the problems that a brush needs to be replaced when the existing light outlet is cleaned and the light outlet is blocked when the brush is cleaned are solved.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a coaxial light source, includes the casing, and the rear end of casing is equipped with the detection mouth, the casing is equipped with the light outlet with the relative one end of detection mouth, the upper portion of light outlet is equipped with the flat mouth form portion of blowing, the portion of blowing is connected with the pressure air supply.

Further optimize this technical scheme, the top of casing is equipped with the heating panel, be equipped with the air flue in the heating panel, the one end of air flue is equipped with air inlet connector, the other end and the portion of blowing of air flue are connected.

Further optimizing this technical scheme, the air inlet joint with be equipped with the filter chamber between the air flue, be equipped with the air filter core in the filter chamber.

Further optimize this technical scheme, the upper portion of heating panel is equipped with the radiating fin, the air flue sets up the bottom between two adjacent radiating fins.

According to the technical scheme, the upper part of the blowing part is vertically provided with a columnar tube, one end of the air passage, which is far away from the air inlet joint, is provided with an air collecting cavity, and the columnar tube is inserted into the air collecting cavity.

Compared with the prior art, the utility model has the following advantages: 1. the blowing part is connected with the pressure air source to blow the light outlet, so that foreign matters can be blown out without physically contacting lenses of the light outlet, the service life is long, and the maintenance is simple; 2. the air flow firstly passes through the air passage of the radiating plate and then enters the air blowing part to be blown out, so that the radiating capacity of the radiating plate can be improved, and the cleaning of an optical port can be realized, so that multiple purposes are achieved; 3. the filter cavity is arranged to filter the air flow, so that new dust is prevented from being introduced; 4. the columnar tube is inserted into the gas collecting cavity, and the heat dissipation plate can be conveniently separated from the blowing part during disassembly, so that the disassembly is convenient.

Drawings

FIG. 1 is a schematic view of the external structure of a coaxial light source;

FIG. 2 is a longitudinal cross-sectional view of a coaxial light source;

fig. 3 is a transverse cross-sectional view of a coaxial light source.

In the figure: 1. a housing; 11. a detection port; 2. a light outlet; 3. a light source board; 30. a heat dissipation plate; 31. a heat radiation fin; 32. an airway; 33. an air collection cavity; 4. an air inlet joint; 40. a filter chamber; 41. an air filter element; 5. an air blowing part; 51. a cylindrical tube.

Detailed Description

The present utility model will be further described in detail with reference to the drawings in conjunction with the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "a" and "an" or "the" and similar referents used in the specification and claims of the present application are not to be construed to limit the number of equivalents, but rather to mean that there is at least one. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1-2, a coaxial light source comprises a hexahedral housing 1, wherein a detection port 11 is arranged at the rear end of the housing 1, a light outlet 2 is arranged at one end of the housing 1 opposite to the detection port 11, a flat-mouth-shaped air blowing part 5 is arranged at the upper part of the edge of the light outlet 2, and the width of the air blowing part 5 is larger than or equal to that of the light outlet 2.

As shown in fig. 2-3, the upper part of the blowing part 5 is connected with a pressure air source through a heat dissipation plate 30. The inner chamber at the top of the shell 1 is provided with a light source plate 3, the upper part of the light source plate 3 is provided with a heat radiation plate 30, the top of the heat radiation plate 30 is provided with a plurality of air passages 32 and strip-shaped heat radiation fins 31, and the air passages 32 are arranged at the bottom between two adjacent heat radiation fins 31. One end of the air passage 32 is connected with an air inlet connector 4 through a filter cavity 40, and an air filter element 41 is arranged in the filter cavity 40. The air filter 41 may be filter paper or filter cotton, one end of the air channels 32 far away from the air inlet joint 4 is provided with an air collecting cavity 33, the upper part of the air blowing part 5 is vertically provided with a columnar pipe 51, and the top of the columnar pipe 51 is detachably inserted into the bottom of the air collecting cavity 33. The top plane of the cylindrical tube 51 is higher than the top plane of the gas collection chamber 33.

When the air inlet connector 4 is connected with an air pump station of a factory in use, pressure air firstly enters the filter cavity 40 through the air inlet connector 4 to be filtered, the filtered air flows through the air channels 32 to be radiated by the radiating plate 30, redundant heat can be radiated further through the radiating fins 31, air flows of the air channels 32 are collected into the air collecting cavity 33, and the air flows enter the air blowing part 5 through the columnar pipes 51 to be blown out, so that the cleaning of the light outlet 2 is realized. The cleaning problem of the light outlet 2 is solved, the heat radiation capacity of the light source is improved, the practicability is high, and the light source is suitable for wide popularization.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the true scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a coaxial light source, includes casing (1), and the rear end of casing (1) is equipped with detects mouth (11), the one end that casing (1) and detection mouth (11) are relative is equipped with light outlet (2), its characterized in that: the upper part of the light outlet (2) is provided with a flat-mouth-shaped air blowing part (5), and the air blowing part (5) is connected with a pressure air source.

2. A coaxial light source in accordance with claim 1, wherein: the top of casing (1) is equipped with heating panel (30), be equipped with air flue (32) in heating panel (30), the one end of air flue (32) is equipped with air inlet connector (4), the other end and the portion of blowing (5) of air flue (32) are connected.

3. A coaxial light source in accordance with claim 2, wherein: a filter cavity (40) is arranged between the air inlet connector (4) and the air passage (32), and an air filter element (41) is arranged in the filter cavity (40).

4. A coaxial light source according to claim 2 or 3, characterized in that: the upper part of the heat radiation plate (30) is provided with heat radiation fins (31), and the air passage (32) is arranged at the bottom between two adjacent heat radiation fins (31).

5. A coaxial light source in accordance with claim 4 wherein: the upper portion of the blowing part (5) is vertically provided with a columnar pipe (51), one end, away from the air inlet joint (4), of the air channel (32) is provided with an air collecting cavity (33), and the columnar pipe (51) is inserted into the air collecting cavity (33).