CN210269653U - Device capable of measuring pollution degree of optical lens - Google Patents
Device capable of measuring pollution degree of optical lens Download PDFInfo
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- CN210269653U CN210269653U CN201921056035.1U CN201921056035U CN210269653U CN 210269653 U CN210269653 U CN 210269653U CN 201921056035 U CN201921056035 U CN 201921056035U CN 210269653 U CN210269653 U CN 210269653U
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- optical lens
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- laser
- integrated module
- light source
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Abstract
The utility model relates to an optical measurement technical field, in particular to device that can measure optical lens degree of pollution, include: the laser transceiving integrated module is positioned in the detection box and is positioned between the point light source and the optical lens; and the rotating device is arranged in the position, corresponding to the laser receiving and transmitting integrated module, in the detection box, and the laser receiving and transmitting integrated module is fixedly connected with the rotating device and drives the laser receiving and transmitting integrated module to do annular motion around a main optical axis of the optical lens. The utility model provides a pair of can measure device of optical lens degree of pollution drives the integrative module of laser receiving and dispatching through rotary device and centers on optical lens's main optical axis annular motion in the toper region that forms at point light source and optical lens outer fringe line, makes the integrative module of laser receiving and dispatching can get a little measurement wantonly with an annular line in the toper region that forms at point light source and optical lens outer fringe line, improves and measures the accuracy.
Description
Technical Field
The utility model relates to an optical measurement technical field, in particular to can measure device of optical lens degree of pollution.
Background
In automated observation, atmospheric visibility is typically represented by a meteorological optical course defined by atmospheric level transmittance. In general, observation devices for meteorological optical visual range mainly include forward scattering type visibility meters and transmission type visibility meters.
The forward scattering method selects the atmosphere to absorb weak near infrared light, measures the angular scattering coefficient in the direction forming 35 degrees with the propagation direction of the detection beam, calculates the total scattering coefficient according to a certain atmospheric optical mode, and determines the visibility according to the Koschmieder law, and the measurement error of the method depends on the measurement of the total scattering coefficient. In the prior forward scattering method device, the main determining factors for the measurement error of the total scattering coefficient are as follows: the influence of an optical mode, the influence of the divergence angle of a scattering detection light beam, the influence of background radiation interference and background interference generated by scattering radiation, the influence of thermal deformation of a structure of the testing device and the like.
The transmission method is the most accurate method for calculating the atmospheric visibility by measuring the extinction coefficient or the light transmittance of a horizontal air column in a sampling space, but because an optical window is easily polluted, the emission and the measurement of a light beam are separated from each other at different positions and are far away from each other, the attenuation coefficient of the detection light beam on a propagation path is easily inaccurate to measure, and even the measurement fails when the pollution is serious. Therefore, the detection of the contamination level of the optical lens of a composite optical detector such as a transmission visibility meter is a problem that cannot be ignored in optical measurement.
Present optical lens degree of pollution detection device sets up a plurality of infrared cameras between light source and optical lens, shoots light and sees through optical lens is in the projection photo of testing platform inner wall detects the optical lens degree of pollution, and this kind of structure can only detect the degree of pollution condition of several position, and detection accuracy is not high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can measure device of optical lens degree of pollution for solve among the prior art optical lens degree of pollution detection device and detect the defect that the degree of pollution degree of accuracy is not high.
In order to solve the defects of the background technology, the utility model provides a device which can measure the pollution degree of an optical lens, comprising a detection box, a point light source and an optical lens; detection case length direction's a side opening, optical lens are fixed to be set up inside the detection case, and the pointolite is close to detection case length direction inboard, and the pointolite is located optical lens's the primary optical axis on, still includes:
the laser transceiving integrated module is positioned in the detection box and is positioned between the point light source and the optical lens;
and the rotating device is arranged in the position, corresponding to the laser receiving and transmitting integrated module, in the detection box, and the laser receiving and transmitting integrated module is fixedly connected with the rotating device and drives the laser receiving and transmitting integrated module to do annular motion around a main optical axis of the optical lens.
Preferably, the rotating means includes: the annular track is fixed on the side wall of the detection box corresponding to the position of the laser transceiving integrated module, and the annular track and the main optical axis of the optical lens are coaxially arranged; the rotating ring is arranged on the annular track and can rotate in the annular track, and an annular rack is arranged on the rotating ring; the fixed block is fixedly arranged on the inner wall of the rotating ring, and the laser transceiving integrated module is fixedly arranged on the fixed block; and the driving motor is fixedly arranged on the inner wall of the detection box and is connected with the annular rack through gear engagement.
Preferably, the annular rail is of a groove-shaped structure, two side surfaces inside the annular rail are provided with annular grooves, two side surfaces of the rotating ring are provided with annular rings, and the annular rings are arranged in the annular grooves; the annular rack is fixedly arranged on the side surface of the outer ring of the rotating ring, a driving opening is formed in the side surface of the annular track, which corresponds to the output shaft of the driving motor, the driving opening is communicated with the inside of the annular track, and a gear on the driving motor is meshed with the annular rack.
Preferably, a controller is fixedly arranged on the detection box, and the point light source, the laser transceiving integrated module and the driving motor are respectively and electrically connected with the controller.
In order to conveniently adjust the position of the laser transceiving integrated module, the preferred technical scheme is that a telescopic rod is arranged between the fixed block and the rotating ring and is electrically connected with the controller.
In order to enable the laser transceiver module to receive more reflected laser, the preferred technical scheme is that the laser transceiver module is located in a conical area formed by a connection line between the point light source and the outer edge of the optical lens.
The utility model has the advantages that:
the utility model provides a pair of can measure device of optical lens degree of pollution drives the integrative module of laser receiving and dispatching through rotary device and centers on optical lens's main optical axis annular motion in the toper region that forms at point light source and optical lens outer fringe line, makes the integrative module of laser receiving and dispatching can get a little measurement wantonly with an annular line in the toper region that forms at point light source and optical lens outer fringe line, improves and measures the accuracy.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view of a rotary device of the present invention;
FIG. 3 is a schematic view of the refraction of laser light through an optical lens when the laser light is contaminated according to the present invention;
wherein, 10-detection box; 11-point light source; 12-an optical lens; 13-laser transmit-receive integrated module; 20-a rotating device; 21-an optical lens; 22-a rotating ring; 23-an annular rack; 24-fixing blocks; 25-a drive motor; 26-an annular groove; 27-an annular ring; 28-a drive opening; 29-a controller; 30-telescopic rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1 and 3, the present invention provides a device capable of measuring the degree of contamination of an optical lens, which includes a detection box 10, a point light source 11, and an optical lens 12; detection case 10 length direction's a side opening, optical lens 12 is fixed to be set up inside detection case 10, and pointolite 11 is close to detection case 10 length direction inboard, and pointolite 11 is located optical lens 12's primary optical axis, still includes:
a laser transceiver module 13 located inside the detection box 10 and between the point light source 11 and the optical lens 12;
and the rotating device 20 is arranged in the detection box 10 at a position corresponding to the laser transceiver module 13, and the laser transceiver module 13 is fixedly connected with the rotating device 20 and drives the laser transceiver module 13 to circularly move around the main optical axis of the optical lens 12. The point light source 11 and the optical lens 12 are located in the detection box 10 to prevent the external light source from influencing the detection.
As shown in fig. 1, 2 and 3, preferably, the detecting box 10 is cylindrical, and the rotating device 20 includes: an annular track 21 fixed on the side wall of the detection box 10 corresponding to the position of the laser transceiver module 13, wherein the annular track 21 is coaxial with the main optical axis of the optical lens 12; a rotating ring 22 which is provided on the annular rail 21 and can rotate in the annular rail 21, and an annular rack 23 is provided on the rotating ring 22; the fixed block 24 is fixedly arranged on the inner wall of the rotating ring 22, and the laser transceiving integrated module 13 is fixedly arranged on the fixed block 24; and the driving motor 25 is fixedly arranged on the inner wall of the detection box 10, and the driving motor 25 is meshed with the annular rack 23 through a gear.
Preferably, the annular rail 21 is of a groove-shaped structure, two side surfaces inside the annular rail 21 are provided with annular grooves 26, two side surfaces of the rotating ring 22 are provided with annular rings 27, and the annular rings 27 are arranged in the annular grooves 26; the annular rack 23 is fixedly arranged on the side surface of the outer ring of the rotating ring 22, the side surface of the annular track 21 corresponding to the output shaft of the driving motor 25 is provided with a driving opening 28, the driving opening 28 is communicated with the inside of the annular track 21, and a gear on the driving motor 25 is meshed and connected with the annular rack 23.
Preferably, a controller 29 is fixedly provided on the detection box 10, and the point light source 11, the laser transceiver module 13 and the driving motor 25 are electrically connected to the controller 29.
The working principle and the technical effect of the technical scheme are as follows:
the utility model provides a can measure device of optical lens pollution degree, drive laser receiving and dispatching integrative module 13 through rotary device 20 and surround the primary optical axis circular motion of optical lens 12 in the toper region that point light source 11 and optical lens 12 outer fringe line formed, control driving motor 25 work through controller 29, driving motor 25 rotates, drive annular rack 23 and swivel ring 22 and rotate together, and then drive laser receiving and dispatching integrative module 13 and rotate with an annular circuit in the toper region that point light source 11 and optical lens 12 outer fringe line formed, finally realize making laser receiving and dispatching integrative module 13 can get a little at will and measure with an annular circuit in the toper region that point light source 11 and optical lens 12 outer fringe line formed, then send laser through laser receiving and dispatching integrative module 13, the laser part that sends is gone out through optical lens 12 refraction, part is refracted back by optical lens 12, is received by laser transceiver module 13, according to the laser intensity that refracts back, calculates optical lens 12 camera lens pollution degree, and the pollution is more serious, and the laser intensity that receives is bigger, improves and measures the accuracy.
In order to adjust the position of the laser transceiver module 13, it is preferable that a telescopic rod 30 is disposed between the fixed block 24 and the rotating ring 22, and the telescopic rod 30 is electrically connected to the controller 29.
The working principle and the technical effect of the technical scheme are as follows:
the controller 29 controls the telescopic rod 30 to extend or contract, so that the radius of the circular motion of the laser transceiving integrated module 13 on the main optical axis of the optical lens 12 is adjustable, and the detection range of the laser transceiving integrated module 13 is widened.
In order to enable the laser transceiver module 13 to receive more reflected laser light, it is preferable that the laser transceiver module 13 is located in a tapered region formed by a connection line between the point light source 11 and an outer edge of the optical lens 12.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A device capable of measuring the pollution degree of an optical lens comprises a detection box (10), a point light source (11) and an optical lens (12); detection case (10) length direction's a side opening, optical lens (12) are fixed to be set up inside detection case (10), and pointolite (11) are close to detection case (10) length direction inboard, and pointolite (11) are located optical lens (12) the primary optical axis on, its characterized in that still includes:
the laser transceiving integrated module (13) is positioned inside the detection box (10) and is positioned between the point light source (11) and the optical lens (12);
and the rotating device (20) is arranged in the detection box (10) and corresponds to the position of the laser transmitting and receiving integrated module (13), and the laser transmitting and receiving integrated module (13) is fixedly connected with the rotating device (20) and drives the laser transmitting and receiving integrated module (13) to do annular motion around the main optical axis of the optical lens (12).
2. A device capable of measuring the degree of contamination of an optical lens according to claim 1, wherein the rotating means (20) comprises:
the annular track (21) is fixed on the side wall of the position, corresponding to the laser transceiving integrated module (13), in the detection box (10), and the annular track (21) is coaxially arranged with the main optical axis of the optical lens (12);
a rotating ring (22) which is arranged on the annular track (21) and can rotate in the annular track (21), wherein an annular rack (23) is arranged on the rotating ring (22);
the fixed block (24) is fixedly arranged on the inner wall of the rotating ring (22), and the laser transceiving integrated module (13) is fixedly arranged on the fixed block (24);
and the driving motor (25) is fixedly arranged on the inner wall of the detection box (10), and the driving motor (25) is meshed and connected with the annular rack (23) through a gear.
3. A device capable of measuring the degree of contamination of an optical lens according to claim 2, wherein the annular rail (21) is of a groove-like configuration, annular grooves (26) are provided on both sides of the inside of the annular rail (21), annular rings (27) are provided on both sides of the rotating ring (22), and the annular rings (27) are provided in the annular grooves (26); the annular rack (23) is fixedly arranged on the side surface of the outer ring of the rotating ring (22), the side surface of the annular track (21) corresponding to the output shaft of the driving motor (25) is provided with a driving opening (28), the driving opening (28) is communicated with the inside of the annular track (21), and a gear on the driving motor (25) is meshed with the annular rack (23).
4. The device for measuring the degree of pollution of the optical lens as claimed in claim 2, wherein the controller (29) is fixedly arranged on the detection box (10), and the point light source (11), the laser transceiver module (13) and the driving motor (25) are respectively electrically connected with the controller (29).
5. A device capable of measuring the degree of contamination of an optical lens according to claim 4, wherein a telescopic rod (30) is provided between the fixed block (24) and the rotary ring (22), the telescopic rod (30) being electrically connected to the controller (29).
6. The device for measuring the degree of contamination of an optical lens according to claim 1, wherein the laser transceiver module (13) is located in a tapered region formed by a connection line between the point light source (11) and the outer edge of the optical lens (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056035.1U CN210269653U (en) | 2019-07-08 | 2019-07-08 | Device capable of measuring pollution degree of optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056035.1U CN210269653U (en) | 2019-07-08 | 2019-07-08 | Device capable of measuring pollution degree of optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210269653U true CN210269653U (en) | 2020-04-07 |
Family
ID=70047712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921056035.1U Expired - Fee Related CN210269653U (en) | 2019-07-08 | 2019-07-08 | Device capable of measuring pollution degree of optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210269653U (en) |
-
2019
- 2019-07-08 CN CN201921056035.1U patent/CN210269653U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210708 |