CN112985752B - Auxiliary adjusting device for planar laser - Google Patents
Auxiliary adjusting device for planar laser Download PDFInfo
- Publication number
- CN112985752B CN112985752B CN202110196056.9A CN202110196056A CN112985752B CN 112985752 B CN112985752 B CN 112985752B CN 202110196056 A CN202110196056 A CN 202110196056A CN 112985752 B CN112985752 B CN 112985752B
- Authority
- CN
- China
- Prior art keywords
- plate
- photosensitive
- main body
- light
- body plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fluid Mechanics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a plane laser auxiliary adjusting device, and particularly relates to the technical field of optical measurement. A plane laser auxiliary adjusting device comprises a main body plate, wherein three light holes are symmetrically arranged at intervals in a penetrating mode on the left side and the right side of the main body plate, the size of each light hole is the same, the six light holes are located on the same plane, and orthographic projections of the left symmetrical light hole and the right symmetrical light hole are completely overlapped; the photosensitive plate is inserted into one side of the main body plate, a photosensitive module is arranged on the photosensitive plate, four symmetrically-arranged adjusting rulers are connected to the front side and the rear side of the main body plate in a sliding mode, and fixing pieces are arranged on the adjusting rulers. The technical scheme of the invention solves the problem of low adjustment progress of the existing plane laser, and can be used for adjusting the plane laser.
Description
Technical Field
The invention relates to the technical field of optical measurement, in particular to a plane laser auxiliary adjusting device.
Background
The aerodynamic experiment measurement technology is continuously developed, most gaseous fluids are used as transparent media, the motion rules of the gaseous fluids are difficult to obtain through a simple observation means, and the flow display technology is developed in order to identify the motion path of the fluids and carry out related measurement. Optical measurements are an important component of flow display technology and have a wide range of applications. The method comprises a Laser Doppler Velocimetry (LDV) technology, a Particle Image Velocimetry (PIV) technology, a Laser Induced Fluorescence (LIF) technology, a nanoparticle-based planar laser scattering (NPLS) technology [1] for optical observation, a Rayleigh scattering (Rayleigh scattering) technology, a schlieren technology and the like, wherein the technologies all need planar laser to provide an irradiation or scattering light source. In the experiment, the plane laser needs to be adjusted to the observation plane and is overlapped with the observation plane, the process is carried out in a manual adjusting mode at present, or the precision of an auxiliary tool used is low, the adjusting process is slow, and a convenient plane laser auxiliary adjusting tool is lacked, so that the auxiliary adjusting tool also becomes a main factor restricting the experiment preparation speed, and the design of the plane laser auxiliary adjusting tool which is convenient, fast and low in cost has great research significance.
Disclosure of Invention
The invention aims to provide a plane laser auxiliary adjusting device, which solves the problem that the conventional plane laser adjusting progress is low.
In order to achieve the purpose, the technical scheme of the invention is as follows: a plane laser auxiliary adjusting device comprises a main body plate, wherein three light holes are symmetrically arranged at intervals in a penetrating mode on the left side and the right side of the main body plate, the size of each light hole is the same, the six light holes are located on the same plane, and orthographic projections of the left symmetrical light hole and the right symmetrical light hole are completely overlapped; the photosensitive plate is inserted into one side of the main body plate, a photosensitive module is arranged on the photosensitive plate, four symmetrically-arranged adjusting rulers are connected to the front side and the rear side of the main body plate in a sliding mode, and fixing pieces are arranged on the adjusting rulers.
Furthermore, a filter plate is inserted into one side of the main body plate, which is far away from the light-sensitive plate.
Through the arrangement, the transmission laser intensity is reduced by means of the filter plate, so that the condition that the photosensitive sensor is damaged is avoided, and the service life of the photosensitive sensor is prolonged.
Furthermore, be equipped with three and the corresponding photosensitive sensor of three light trap of homonymy on one side of sensitization board, it is three be connected with control terminal jointly on the photosensitive sensor, the opposite side of sensitization board is equipped with sensitization photographic paper.
Through the arrangement, the switching between automatic judgment and human eye judgment can be realized by virtue of the photosensitive sensors and the photosensitive photographic paper on the two sides of the photosensitive plate.
Compared with the prior art, the beneficial effect of this scheme:
1. the scheme can more quickly adjust the laser plane;
2. the scheme has the advantages of reliable structure, good assembly replaceability and strong adjustability;
3. the scheme completely adopts a mechanical mechanism, is low in cost and can be repeatedly used.
Drawings
FIG. 1 is a schematic structural diagram of a planar laser-assisted adjusting device according to the present invention;
FIG. 2 is a schematic structural diagram of an experimental section in the planar laser-assisted adjusting device according to the present invention;
FIG. 3 is a schematic structural diagram of a planar laser-assisted adjusting device of the present invention without an adjusting device.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a main body plate 1, a through groove 2, a light hole 3, a light filter plate 4, a light sensitive plate 5, an adjusting ruler 6 and a fixing piece 7.
Example 1
As shown in figure 1: a plane laser auxiliary adjusting device comprises a rectangular main body plate 1, wherein two through grooves 2 are formed in the front side and the rear side of the main body plate 1, three light transmission holes 3 which are arranged at intervals symmetrically penetrate through the left side and the right side of the main body plate 1, the size of each light transmission hole 3 is the same, six light transmission holes 3 are located on the same plane, and orthographic projections of the left light transmission hole 3 and the right light transmission hole 3 are completely overlapped; it has filter plate 4 to peg graft on left main body plate 1, it has photosensitive plate 5 to peg graft on the main body plate 1 on right side, both sides are sliding connection still around main body plate 1 have the regulation chi 6 of four symmetry settings, one side of adjusting chi 6 is located logical inslot 2, be equipped with mounting 7 on the regulation chi 6, mounting 7 is locking bolt in this embodiment, locking bolt's one end supports tightly with adjusting chi 6, locking bolt threaded connection is on corresponding main body plate 1 at regulation chi 6 place. The left side is equipped with the three photosensitive sensor corresponding with three light trap 3 of homonymy on the photosensitive plate 5, and common signal connection has control terminal on the three photosensitive sensor, and control terminal adopts the computer in this embodiment, and the right side of photosensitive plate 5 is equipped with sensitization photographic paper, and sensitization photographic paper adopts photosensitive photographic paper.
As shown in figures 2 and 3: the experimental observation plane of this example is parallel to the bottom plane (XOZ plane), and the specific adjustment method thereof includes the following steps:
s1, adjusting the adjusting ruler 6 according to the distance d between the desired observation plane and the bottom surface (XOZ plane), so that d1+ d2= d, where d1 represents the distance from the bottom of the light transmission hole 3 to the bottom of the main body panel 1, and d2 represents the distance from the bottom of the adjusting ruler 6 to the bottom of the main body panel 1.
S2, when the mode is automatically judged, the rear end of the main body plate 1 is inserted into the light-sensitive plate 5, the light-sensitive sensor on the light-sensitive plate 5 is positioned in the light-transmitting hole 3, and the front end of the main body plate 1 is inserted into the light-filtering plate 4, so that whether laser irradiated from the light-transmitting hole 3 is received or not is automatically judged by means of the light-sensitive sensor and the control terminal; when the mode is judged manually, the photosensitive photographic paper on the photosensitive plate 5 is communicated with the light hole 3.
And S3, placing the auxiliary adjusting device in an experimental section, and enabling the bottom of the adjusting ruler 6 to be in contact with the bottom surface (XOZ plane).
S4, adjusting the plane laser to enable the laser to penetrate through a certain front end light transmission hole 3 and a certain rear end light transmission hole 3 at corresponding positions to reach a light sensing plate 5,
and S5, further adjusting the laser plane so that the laser can finally pass through all the light transmission holes 3 to reach the light sensing plate 5. When the mode is automatically judged, the photosensitive sensor type photosensitive plate 5 receives three signals; when the mode is judged manually, three marks are left on the photosensitive paper, and the laser plane adjustment is completed.
Example 2
The structure of the auxiliary adjusting device of this embodiment is the same as that of embodiment 1, but the experimental observation plane of this embodiment is parallel to the underflow direction cross-section (XOY plane), and the adjusting method is different in that the side of the light-sensing plate 5 of the main body plate 1 is brought into contact with the bottom surface (XOZ plane) while the adjusting rule 6 is brought into contact with the side wall surface.
Example 3
The structure of the auxiliary adjusting device of this embodiment is the same as that of embodiment 1, but the experimental observation plane of this embodiment is parallel to the underflow direction cross-section (YOZ plane), and the adjusting method of this embodiment is different in that the side of the light-sensing plate 5 of the main body plate 1 is brought into contact with the bottom surface (XOZ plane) while the adjusting ruler 6 is brought into contact with the front end surface of the experimental section.
The foregoing are merely examples of the present invention and common general knowledge of known specific structures and/or features of the schemes has not been described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (3)
1. A plane laser auxiliary adjusting device is characterized in that: the light guide plate comprises a main body plate, wherein three light holes are symmetrically arranged at intervals in a penetrating manner on the left side and the right side of the main body plate, the size of each light hole is the same, the six light holes are located on the same plane, and orthographic projections of the left light hole and the right light hole are completely overlapped; the photosensitive plate is inserted into one side of the main body plate, a photosensitive module is arranged on the photosensitive plate, four symmetrically-arranged adjusting rulers are connected to the front side and the rear side of the main body plate in a sliding mode, and fixing pieces are arranged on the adjusting rulers.
2. A planar laser assisted adjustment device according to claim 1, characterized in that: and a filter plate is inserted into one side of the main body plate far away from the light-sensitive plate.
3. A planar laser assisted adjustment device according to claim 1, characterized in that: the photosensitive plate is characterized in that three photosensitive sensors corresponding to the three light holes on the same side are arranged on one side of the photosensitive plate, the three photosensitive sensors are connected with a control terminal together, and photosensitive photographic paper is arranged on the other side of the photosensitive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196056.9A CN112985752B (en) | 2021-02-22 | 2021-02-22 | Auxiliary adjusting device for planar laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196056.9A CN112985752B (en) | 2021-02-22 | 2021-02-22 | Auxiliary adjusting device for planar laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112985752A CN112985752A (en) | 2021-06-18 |
| CN112985752B true CN112985752B (en) | 2023-02-07 |
Family
ID=76394239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110196056.9A Active CN112985752B (en) | 2021-02-22 | 2021-02-22 | Auxiliary adjusting device for planar laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985752B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19635881A1 (en) * | 1995-09-12 | 1997-03-13 | Eastman Kodak Co | Automatic focussing device for laser image converter |
| JP2003051438A (en) * | 2001-08-06 | 2003-02-21 | Nikon Corp | Reflecting member, method of adjusting the same, aligner method of manufacturing the same, and method of manufacturing microdevice |
| CN102590983A (en) * | 2012-03-08 | 2012-07-18 | 中国华能集团清洁能源技术研究院有限公司 | Reflector adjusting device |
| CN103487916A (en) * | 2013-09-23 | 2014-01-01 | 浙江师范大学 | Method for adjusting off-axis paraboloidal mirror based on high-resolution scientific CCD camera |
| CN105514766A (en) * | 2016-02-29 | 2016-04-20 | 北京仁光科技有限公司 | Large-angle uniform line laser sector modulation device |
| CN206131991U (en) * | 2016-10-14 | 2017-04-26 | 罗晓祥 | Planar positioning device based on laser light curtain |
| CN109875586A (en) * | 2017-12-06 | 2019-06-14 | 深圳市巨烽显示科技有限公司 | Double excitation calibration apparatus and method |
| CN111122115A (en) * | 2020-01-08 | 2020-05-08 | 哈尔滨工程大学 | Multi-plane SPIV experimental device |
| CN210835427U (en) * | 2019-11-27 | 2020-06-23 | 江南大学 | Auxiliary adjusting ruler for Michelson interferometer |
-
2021
- 2021-02-22 CN CN202110196056.9A patent/CN112985752B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19635881A1 (en) * | 1995-09-12 | 1997-03-13 | Eastman Kodak Co | Automatic focussing device for laser image converter |
| JP2003051438A (en) * | 2001-08-06 | 2003-02-21 | Nikon Corp | Reflecting member, method of adjusting the same, aligner method of manufacturing the same, and method of manufacturing microdevice |
| CN102590983A (en) * | 2012-03-08 | 2012-07-18 | 中国华能集团清洁能源技术研究院有限公司 | Reflector adjusting device |
| CN103487916A (en) * | 2013-09-23 | 2014-01-01 | 浙江师范大学 | Method for adjusting off-axis paraboloidal mirror based on high-resolution scientific CCD camera |
| CN105514766A (en) * | 2016-02-29 | 2016-04-20 | 北京仁光科技有限公司 | Large-angle uniform line laser sector modulation device |
| CN206131991U (en) * | 2016-10-14 | 2017-04-26 | 罗晓祥 | Planar positioning device based on laser light curtain |
| CN109875586A (en) * | 2017-12-06 | 2019-06-14 | 深圳市巨烽显示科技有限公司 | Double excitation calibration apparatus and method |
| CN210835427U (en) * | 2019-11-27 | 2020-06-23 | 江南大学 | Auxiliary adjusting ruler for Michelson interferometer |
| CN111122115A (en) * | 2020-01-08 | 2020-05-08 | 哈尔滨工程大学 | Multi-plane SPIV experimental device |
Non-Patent Citations (2)
| Title |
|---|
| 基于正弦调制的激光平面测量系统的研究;黄银国等;《传感器与微系统》;20091130;第28卷(第11期);第34-36页 * |
| 基于激光平面的自调平控制系统研究;曹健;《南通职业大学学报》;20140930;第28卷(第3期);第96-99页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112985752A (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4560863A (en) | Focus detecting device | |
| US5155543A (en) | Adjustable flow cytometer | |
| US6248989B1 (en) | Tilt detecting device | |
| US8462358B2 (en) | Device for detecting movement and forces | |
| JPS6367522A (en) | Photoelectric displacement-quantity detector | |
| KR102157044B1 (en) | How to detect particles in panels | |
| CN1212508C (en) | Dynamic field and measuring accuracy adjustable Hartmann wavefront sensor | |
| CN112985752B (en) | Auxiliary adjusting device for planar laser | |
| AU5201186A (en) | Eye movement measuring apparatus | |
| CN101493314A (en) | Light path alignment sighting device for laser interferometer and sighting method | |
| US20120153121A1 (en) | Optical position detection device and apparatus with position detection function | |
| US5953116A (en) | Tilt detecting device | |
| JPH02259547A (en) | Spectrophotometer | |
| CN102117582A (en) | Liquid crystal display device | |
| CN102506996B (en) | Side backlight brightness sampling device for wider brightness range | |
| CN212885731U (en) | Visual detection mechanism and PCB laser marking machine | |
| CN111131552A (en) | Electronic device | |
| WO2021027587A1 (en) | Light guide apparatus and touch display apparatus | |
| JP2554744B2 (en) | Photo film screen detector | |
| CN201421325Y (en) | Optical path collimation sighting device of laser interferometer | |
| CN206497040U (en) | Positively fixed type total internal reflection detects workbench | |
| CN218383015U (en) | Electrostatic voltage sensor | |
| CN209878604U (en) | Multifunctional photoelectric energy detection system with large dynamic range | |
| JPH0814943A (en) | Displacement-amount detection apparatus | |
| CN219224569U (en) | Optical detection device for fluorescence detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |