CN208125572U - A kind of optical system of high-precision atmosphere particle monitoring radar - Google Patents
A kind of optical system of high-precision atmosphere particle monitoring radar Download PDFInfo
- Publication number
- CN208125572U CN208125572U CN201820730629.5U CN201820730629U CN208125572U CN 208125572 U CN208125572 U CN 208125572U CN 201820730629 U CN201820730629 U CN 201820730629U CN 208125572 U CN208125572 U CN 208125572U
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- China
- Prior art keywords
- refracting telescope
- beam expander
- shading pipe
- reflecting optics
- telescope
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Abstract
The utility model relates to a kind of optical systems of high-precision atmosphere particle monitoring radar, including refracting telescope, beam expander, shading pipe and reflecting optics；The beam expander is located inside refracting telescope and is coaxially disposed with refracting telescope, one end of the beam expander and one end flush of refracting telescope；The shading pipe is located inside refracting telescope and is coaxially disposed with refracting telescope, the shading pipe is connect with beam expander, the other end flush of the shading pipe one end and refracting telescope far from beam expander, the reflecting optics are obliquely installed the inner wall in refracting telescope, are coated with reflectance coating on the reflecting optics.A kind of optical system of high-precision atmosphere particle monitoring radar of the utility model, which is realized, receives specific wavelength by the glasses lens plated of refracting telescope, improve the validity of monitoring objective signal, it realizes transmitting light beam and to receive light beam coaxial, advantageously reduce optical path caused by structural strain and deviate.
Description
Technical field
The utility model relates to optical fields, and in particular to a kind of optical system of high-precision atmosphere particle monitoring radar
System.
Background technique
This high-precision atmosphere particle monitoring radar is a kind of by light source transmitting laser, and laser is expanded by beam expander
Afterwards, it is emitted in atmosphere, laser occurs Mie scattering with Atmospheric Grains and reacts generation rear orientation light, and rear orientation light is through rolling over
Penetrate telescope reception, by photomultiplier tube optical signal conversion be electric signal, pass through software analyze rear orientation light it is strong
It spends to analyze the instrument of distribution and the variation of Atmospheric Grains.
Optical system is its core component, if has good optical transmitting and receiving system, the skill of primitive decision one kind product
Art content.
But there are transmitting unit and receiving units that not coaxial, different structure part causes optical stability for traditional optical system
It is affected by temperature big problem, and receive signal to be influenced by background sunlight, the problem for causing signal analysis difficult.
Utility model content
The purpose of this utility model is：A kind of optical system of high-precision atmosphere particle monitoring radar is provided, overcome on
State defect.
To achieve the goals above, the utility model provides the following technical solution：
A kind of optical system of high-precision atmosphere particle monitoring radar, including refracting telescope, beam expander, shading pipe with
And reflecting optics；The beam expander is located inside refracting telescope and is coaxially disposed with refracting telescope, the beam expander
One end flush of one end and refracting telescope；The shading pipe is located inside refracting telescope and coaxial with refracting telescope
Setting, the shading pipe are connect with beam expander, the other end phase of the shading pipe one end far from beam expander and refracting telescope
Concordantly, the reflecting optics are obliquely installed the inner wall in refracting telescope, are coated with reflectance coating on the reflecting optics.
Further, the shading pipe is connected with beam expander, and the refracting telescope is arranged far from one end of beam expander
There is laser generator, the Laser emission end of the laser generator is corresponding with the position of shading pipe.
Further, it is characterised in that：The shading pipe is at the center of reflecting optics, the specific position of reflecting optics
Far from one end of beam expander inside refracting telescope.
The beneficial effects of the utility model are：A kind of optical system of high-precision atmosphere particle monitoring radar, passes through folding
Being used cooperatively for telescope, beam expander, shading pipe, reflecting optics and laser generator is penetrated, realizes and passes through refracting telescope
It is glasses lens plated specific wavelength is received, improve the validity of monitoring objective signal, realize transmitting light beam and to receive light beam same
Axis, and transmitting light source is isolated using the shading pipe of high collimation and receives light source, beam expander and refracting telescope, which use, to be inlayed
Structure advantageously reduces the offset of optical path caused by structural strain.
Detailed description of the invention
Fig. 1 is that a kind of whole composed structure of the optical system of high-precision atmosphere particle monitoring radar of the utility model is shown
It is intended to.
In figure：1, refracting telescope；2, beam expander；3, shading pipe；4, reflecting optics；5, laser generator.
Arrow in figure is radiation direction signal.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the utility model is described in further detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
With reference to Fig. 1, a kind of optical system of high-precision atmosphere particle monitoring radar, including refracting telescope 1, beam expander
2, shading pipe 3 and reflecting optics 4；The beam expander 2 is located at 1 inside of refracting telescope and coaxially sets with refracting telescope 1
It sets, one end of the beam expander 2 and one end flush of refracting telescope 1, the beam expander 2 is with refracting telescope 1 using edge
Embedding structure；The shading pipe 3 is located at the inside of refracting telescope 1 and is coaxially disposed with refracting telescope 1, the shading pipe 3 with
Beam expander 2 connects, the other end flush of the shading pipe 3 one end far from beam expander 2 and refracting telescope 1, the shading
Pipe 3 is in elongated straight tube-like, and the reflecting optics 4 are obliquely installed in the inner wall of refracting telescope 1, and the reflecting optics 4 are for anti-
Light is penetrated, to change the direction of light, reflectance coating is coated on the reflecting optics 4, the reflectance coating may filter that the non-need in part
Seek the spuious optical signal of wavelength.
The shading pipe 3 is connected with beam expander 2, and the refracting telescope 1 is provided with laser far from one end of beam expander 2
The Laser emission end of generator 5, the laser generator 5 is corresponding with the position of shading pipe 3, and the laser generator 5 is used for
Issue laser.
At the center of reflecting optics 4, the reflecting optics 4 are particularly located inside refracting telescope 1 the shading pipe 3
One end far from beam expander 2.
The working principle of the utility model is：Laser is after the transmitting of laser generator 5, and into shading pipe 3, laser passes through screening
It is projected after light pipe 3 using beam expander 2, laser is emitted in atmosphere after passing through beam expander 2；Particulate matter in light beam and atmosphere is sent out
Raw Mie scattering reaction, the rear orientation light of generation are received by refracting telescope 1；After refracting telescope 1 receives, light is reflected
Eyeglass 4 changes direction, while the reflectance coating on reflecting optics 4 may filter that the spuious optical signal of the non-desired wavelengths in part, because of different waves
The refractive index of long light has differences and the convergence focus of received light source is inconsistent can evade non-desired wavelengths stray light again
Signal；The received optical signal of refracting telescope 1 projects refracting telescope after reflecting optics 4 change direction, subsequent by outer
Portion's photoelectric detection instrument switchs to electric signal, by analyzing the power and variation of electric signal, can analyze the power of Atmospheric Grains
And variation.
The utility model is not confined to these for being further described to the utility model by above-described embodiment
Specific embodiment.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc.,
It is interpreted as being within the protection scope of the utility model.
Claims (3)
1. a kind of optical system of high-precision atmosphere particle monitoring radar, it is characterised in that：Including refracting telescope (1), expand
Beam device (2), shading pipe (3) and reflecting optics (4)；The beam expander (2) be located at refracting telescope (1) it is internal and with refraction
Telescope (1) coaxial arrangement, one end of the beam expander (2) and one end flush of refracting telescope (1)；The shading pipe
(3) it is located at refracting telescope (1) inside and is coaxially disposed with refracting telescope (1), the shading pipe (3) and beam expander (2)
Connection, the other end flush of the shading pipe (3) one end and refracting telescope (1) far from beam expander (2), the reflecting mirror
Piece (4) is obliquely installed in being coated with reflectance coating on the inner wall of refracting telescope (1), the reflecting optics (4).
2. a kind of optical system of high-precision atmosphere particle monitoring radar according to claim 1, it is characterised in that：Institute
It states shading pipe (3) to be connected with beam expander (2), the refracting telescope (1) is provided with laser hair far from the one end of beam expander (2)
Raw device (5), the Laser emission end of the laser generator (5) are corresponding with the position of shading pipe (3).
3. a kind of optical system of high-precision atmosphere particle monitoring radar according to claim 1, it is characterised in that：Institute
Shading pipe (3) are stated at the center of reflecting optics (4), it is internal remote that the reflecting optics (4) are particularly located at refracting telescope (1)
One end from beam expander (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730629.5U CN208125572U (en) | 2018-05-17 | 2018-05-17 | A kind of optical system of high-precision atmosphere particle monitoring radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730629.5U CN208125572U (en) | 2018-05-17 | 2018-05-17 | A kind of optical system of high-precision atmosphere particle monitoring radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125572U true CN208125572U (en) | 2018-11-20 |
Family
ID=64185109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730629.5U Active CN208125572U (en) | 2018-05-17 | 2018-05-17 | A kind of optical system of high-precision atmosphere particle monitoring radar |
Country Status (1)
| Country | Link |
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| CN (1) | CN208125572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118514A1 (en) * | 2018-12-11 | 2020-06-18 | 深圳市大疆创新科技有限公司 | Ranging module and ranging device |
-
2018
- 2018-05-17 CN CN201820730629.5U patent/CN208125572U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118514A1 (en) * | 2018-12-11 | 2020-06-18 | 深圳市大疆创新科技有限公司 | Ranging module and ranging device |
| CN111556972A (en) * | 2018-12-11 | 2020-08-18 | 深圳市大疆创新科技有限公司 | Distance measuring module and distance measuring device |
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