CN107907504B - Filter lighting lens of ambient air turbidity detector - Google Patents
Filter lighting lens of ambient air turbidity detector Download PDFInfo
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- CN107907504B CN107907504B CN201711034841.4A CN201711034841A CN107907504B CN 107907504 B CN107907504 B CN 107907504B CN 201711034841 A CN201711034841 A CN 201711034841A CN 107907504 B CN107907504 B CN 107907504B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention relates to the technical field of air turbidity detectors, in particular to an optical filter lighting lens of an ambient air turbidity detector, which comprises a cavity and an optical sensor, wherein the outer end of the optical sensor is in communication connection with a PCB (printed circuit board), a small light ring is installed in a through hole in the cavity, a short light pipe is installed at the front end of the small light ring, a middle light ring is installed at the front end of the short light pipe, a short light pipe is installed at the front end of the middle light ring, a large light ring is also installed at the front end of the middle light ring, a convex lens is connected at the front end of the long light pipe, and the convex lens is tightly pressed in an opening at the front end of the cavity through a threaded cap. The invention has the beneficial effects that: the invention provides an optical filter daylighting lens of an ambient air turbidity detector, wherein light refracted and filtered by air passes through a tertiary beam tube after being strengthened by a convex lens to form quantitative light beams, and a light sensor analyzes and contrasts the light intensity of the signals through a chip to judge the turbidity of the air, so that the optical filter daylighting lens is convenient to use.
Description
Technical Field
The invention relates to the technical field of air turbidity detectors, in particular to an optical filter lighting lens of an ambient air turbidity detector.
Background
The air is a necessary environment for human life, and the air quality is reduced along with the development of industry and the activity of human beings, so that the human life is directly threatened, the environmental air quality measurement and control are not slow, and therefore, an environmental air turbidity detector is produced, and the filter lens which is one of the important components of the turbidity detector is necessary to be invented.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the light filter lighting lens of the ambient air turbidity detector, light refracted and filtered by air passes through the convex lens to be strengthened and then passes through the light beam tube for three times to form a quantitative light beam, and the light sensor analyzes and contrasts the light intensity of the signal through the chip to judge the turbidity of the air, so that the light filter lighting lens is convenient to use.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an optical filter lighting lens of an ambient air turbidity detector comprises a cavity for fixing a light ring and a light pipe and a light sensor arranged at an opening at the rear end of the cavity, wherein the light sensor is clamped in a middle groove of a light sensor insert and then is connected with the light sensor insert and is fixed in a step hole at the opening at the rear end of the cavity in a sinking way, the outer end of the light sensor is communicated and connected with a PCB (printed circuit board), a small light ring is arranged in a through hole in the cavity, a short light-cutting pipe for limiting the small light ring is arranged at the front end of the small light ring, a middle light ring is arranged at the front end of the short light ring, a short light-cutting pipe with the same structure as the front end of the small light ring is arranged at the front end of the middle light ring, a large light ring is also arranged at the front end of the middle light ring, the large light ring is fixed through a long light-cutting pipe arranged at the front end of the large light ring, and a convex lens is connected, the convex lens is pressed in the front end opening of the cavity through the threaded cap, a large O-shaped sealing ring is arranged at the joint of the convex lens and the threaded cap, and the threaded cap and the cavity are fixedly connected through threads.
Furthermore, the light sensor insert is limited by an annular bulge in the cavity, and a small O-shaped sealing ring is arranged between the light sensor insert and the annular bulge.
Furthermore, chamfering is arranged at the light passing holes of the small beam light ring, the middle beam light ring and the large beam light ring, and light-shielding paint which only generates diffuse reflection and does not generate mirror reflection is sprayed on the surface of the light ring after anodic oxidation treatment.
Further, the surfaces of the short light-cutting tube and the long light-cutting tube are coated with light-avoiding paint which only generates diffuse reflection and does not generate mirror reflection after being subjected to anodic oxidation treatment.
Furthermore, small holes for preventing dust deposition in air are uniformly distributed on the end face of the inner side of the screw cap along the circumference.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an optical filter daylighting lens of an ambient air turbidity detector, wherein light refracted and filtered by air passes through a tertiary beam tube after being strengthened by a convex lens to form quantitative light beams, and a light sensor analyzes and contrasts the light intensity of the signals through a chip to judge the turbidity of the air, so that the optical filter daylighting lens is convenient to use.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an overall schematic of the present invention.
In the figure: 1. the LED lamp comprises a cavity, 2 parts of a screw cap, 3 parts of a small beam light ring, 4 parts of a short beam light pipe, 5 parts of a middle beam light ring, 6 parts of a large beam light ring, 7 parts of a long beam light pipe, 8 parts of a convex lens, 9 parts of a light sensor insert block, 10 parts of a light sensor, 11 parts of a small O-shaped sealing ring, 12 parts of a large O-shaped sealing ring, 13 parts of a PCB.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, fig. 1 is a schematic structural diagram of the present invention, and fig. 2 is a schematic overall diagram of the present invention.
The invention relates to an optical filter lighting lens of an ambient air turbidity detector, which comprises a cavity 1 for fixing a light ring and a light pipe and a light sensor 10 arranged at an opening at the rear end of the cavity 1, wherein the light sensor 10 is clamped in a middle groove of the light sensor insert 9 and then is connected with the light sensor insert 9 to be fixed in a step hole at the opening at the rear end of the cavity 1 in a sinking way, the outer end of the light sensor 10 is communicated and connected with a PCB (printed circuit board) 13, a small light beam ring 3 is arranged in a through hole in the cavity 1, a short light cutting pipe 4 for limiting the small light beam ring 3 is arranged at the front end of the small light beam ring 3, a middle light beam ring 5 is arranged at the front end of the short light cutting pipe 4, a short light cutting pipe 4 with the same structure as the front end of the small light beam ring 3 is arranged at the front end of the middle light beam ring 5, a large light beam ring 6 is also arranged at the front end of the middle light beam ring 5, and the large light beam ring 6 is fixed through a long, the front end of long light-intercepting pipe 7 is connected with convex lens 8, convex lens 8 compresses tightly in the front end opening of cavity 1 through screw nut cap 2, convex lens 8 and screw nut cap 2 junction are provided with big O type sealing washer 12, screw nut cap 2 and cavity 1 pass through threaded connection fixedly.
Further, the light sensor insert 9 is limited by an annular bulge in the cavity 1, and a small O-shaped sealing ring 11 is arranged between the light sensor insert 9 and the annular bulge.
Furthermore, the light passing holes of the small beam light ring 3, the middle beam light ring 5 and the large beam light ring 6 are provided with chamfers, and the surfaces of the light rings are coated with light-avoiding paint which only generates diffuse reflection and does not generate mirror reflection after being subjected to anodic oxidation treatment.
Further, the surfaces of the short light-intercepting tube 4 and the long light-intercepting tube 7 are coated with light-avoiding paint which only generates diffuse reflection and does not generate mirror reflection after being subjected to anodic oxidation treatment.
Furthermore, the inner side end face of the screw cap 2 is uniformly provided with small holes for preventing dust deposition in the air along the circumference.
When the device is used, light refracted and filtered by air passes through the convex lens to be strengthened and then passes through the light beam tube for three times to form quantitative light beams, and the light sensor 10 analyzes signals through the chip and contrasts the light intensity to judge the turbidity of the air, so that the device is convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An optical filter lighting lens of an ambient air turbidity detector is characterized by comprising a cavity for fixing a light ring and a light pipe and a light sensor arranged at an opening at the rear end of the cavity, wherein the light sensor is clamped in a middle groove of a light sensor insert and then is connected with the light sensor insert and is fixed in a step hole at the opening at the rear end of the cavity in a sinking way, the outer end of the light sensor is communicated and connected with a PCB (printed circuit board), a small light ring is arranged in a through hole in the cavity, a short light pipe for limiting the small light ring is arranged at the front end of the small light ring, a middle light ring is arranged at the front end of the short light pipe, a short light pipe with the same structure as the front end of the small light ring is arranged at the front end of the middle light ring, a large light ring is also arranged at the front end of the middle light ring, the large light ring is fixed through a long light pipe arranged at the front end of the large light ring, and the front end of the long light pipe is connected with a convex, the convex lens is pressed in the front end opening of the cavity through the threaded cap, a large O-shaped sealing ring is arranged at the joint of the convex lens and the threaded cap, and the threaded cap and the cavity are fixedly connected through threads.
2. The filter lighting lens of an ambient air turbidity monitor according to claim 1, wherein: the light sensor insert is limited by an annular bulge in the cavity, and a small O-shaped sealing ring is arranged between the light sensor insert and the annular bulge.
3. The filter lighting lens of an ambient air turbidity monitor according to claim 1, wherein: chamfering is arranged at the light passing holes of the small beam light ring, the middle beam light ring and the large beam light ring, and light avoiding paint which only generates diffuse reflection and does not generate mirror reflection is sprayed on the surface of the light ring after anodic oxidation treatment.
4. The filter lighting lens of an ambient air turbidity monitor according to claim 1, wherein: the surfaces of the short light-cutting tube and the long light-cutting tube are coated with light-avoiding paint which only generates diffuse reflection and does not generate mirror reflection after being subjected to anodic oxidation treatment.
5. The filter lighting lens of an ambient air turbidity monitor according to claim 1, wherein: and small holes for preventing dust deposition in air are uniformly distributed on the end surface of the inner side of the screw cap along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034841.4A CN107907504B (en) | 2017-10-28 | 2017-10-28 | Filter lighting lens of ambient air turbidity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034841.4A CN107907504B (en) | 2017-10-28 | 2017-10-28 | Filter lighting lens of ambient air turbidity detector |
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| Publication Number | Publication Date |
|---|---|
| CN107907504A CN107907504A (en) | 2018-04-13 |
| CN107907504B true CN107907504B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711034841.4A Active CN107907504B (en) | 2017-10-28 | 2017-10-28 | Filter lighting lens of ambient air turbidity detector |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872029B (en) * | 2018-08-29 | 2021-06-15 | 杭州震弘环境科技有限公司 | Gas turbidity processing node |
| CN109086835B (en) * | 2018-08-29 | 2019-10-15 | 丁柳朋 | A kind of turbidity data processing system |
| CN113972254A (en) * | 2021-10-25 | 2022-01-25 | 京东方科技集团股份有限公司 | Display module and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006084283A2 (en) * | 2005-01-31 | 2006-08-10 | The Board Of Trustees Of The University Of Illinois | Methods and devices for characterizing particles in clear and turbid media |
| CN101470075A (en) * | 2007-12-26 | 2009-07-01 | 深圳迈瑞生物医疗电子股份有限公司 | Gas concentration measuring apparatus |
| CN103837451A (en) * | 2014-02-28 | 2014-06-04 | 苏州亿利安机电科技有限公司 | Dust sensor for on-line monitoring of dust concentration |
| CN205191484U (en) * | 2015-12-14 | 2016-04-27 | 天津定日科技发展有限公司 | Light guide pipe light collecting device |
| CN106525772A (en) * | 2016-12-20 | 2017-03-22 | 上海众毅工业控制技术有限公司 | On-line turbidity sensor with high precision and ultralow measuring range and turbidity measuring method thereof |
| CN106908364A (en) * | 2017-03-31 | 2017-06-30 | 北京瑞赛长城航空测控技术有限公司 | Mining intrinsic safety type dust sensing device based on light scattering method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5743558B2 (en) * | 2011-01-12 | 2015-07-01 | 株式会社東芝 | Analysis equipment |
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2017
- 2017-10-28 CN CN201711034841.4A patent/CN107907504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006084283A2 (en) * | 2005-01-31 | 2006-08-10 | The Board Of Trustees Of The University Of Illinois | Methods and devices for characterizing particles in clear and turbid media |
| CN101470075A (en) * | 2007-12-26 | 2009-07-01 | 深圳迈瑞生物医疗电子股份有限公司 | Gas concentration measuring apparatus |
| CN103837451A (en) * | 2014-02-28 | 2014-06-04 | 苏州亿利安机电科技有限公司 | Dust sensor for on-line monitoring of dust concentration |
| CN205191484U (en) * | 2015-12-14 | 2016-04-27 | 天津定日科技发展有限公司 | Light guide pipe light collecting device |
| CN106525772A (en) * | 2016-12-20 | 2017-03-22 | 上海众毅工业控制技术有限公司 | On-line turbidity sensor with high precision and ultralow measuring range and turbidity measuring method thereof |
| CN106908364A (en) * | 2017-03-31 | 2017-06-30 | 北京瑞赛长城航空测控技术有限公司 | Mining intrinsic safety type dust sensing device based on light scattering method |
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| CN107907504A (en) | 2018-04-13 |
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