CN203038545U - Novel double-grating imager - Google Patents
Novel double-grating imager Download PDFInfo
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- CN203038545U CN203038545U CN 201320013511 CN201320013511U CN203038545U CN 203038545 U CN203038545 U CN 203038545U CN 201320013511 CN201320013511 CN 201320013511 CN 201320013511 U CN201320013511 U CN 201320013511U CN 203038545 U CN203038545 U CN 203038545U
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- grating
- sliding support
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- imager
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Abstract
The utility model discloses a novel double-grating imager. A grating moving device comprises a base, longitudinal tracks, transverse tracks and a sliding support, the longitudinal tracks of the grating moving device are cylinder type guide rails, the transverse tracks are arranged on the two longitudinal tracks through ball bearings and are arranged vertical to the longitudinal tracks, the grating moving device is equipped with an electric control system which controls the two transverse tracks on which gratings are arranged to move back and forth along the longitudinal tracks through synchronous belt driving, a transmission mechanism that drives the sliding support to move is a transmission screw rod or a synchronous belt, and a longitudinal traveling drive motor drives the synchronous belt to drive the transverse tracks to move back and forth on the longitudinal tracks. Compared with an existing grating imaging experimental instrument, the novel double-grating imager in the utility model has obvious advantages, the transverse tracks in the instrument are more stable, and the sliding support which bears optical elements can be electrically controlled to move along a specific skew line in a plane, realizing accurate movement positioning and measurement of related parameters of the optical elements, and improving experiment precision and efficiency.
Description
Technical field
The utility model relates to a kind of optical diffraction imaging experimental instrument, and particularly a kind of accurately the movement by electronic control optical element realizes that the viewing optics element is to the experimental apparatus of the colour killing astigmatic image phenomenon of object and measurement correlation parameter.
Background technology
Guangxi University is according to patented technology " diffraction imaging the comprehensive test instrument " (patent No.: 02290557.X) developed special " double grating imager ", and the new experiment that the undergraduate has offered the double grating imaging (seen paper " double grating imager development with use ", experimental technique and management, 2011, the 28th the 9th phase of volume: 57-59), in this instrument the movement of two gratings be by its on the cross track with long rails on mobile the realization.Yet, practice is found, the use of this double grating imager is also inconvenient, subject matter is: second sheet gration of imaging needs to move along the first sheet gration order diffraction light path, this optical diffraction is straight line, it is the skew lines with the plane horizontal, that long rails intersects, this is for being difficult for controlling by manually operated double grating imager, inconvenience make second sheet gration all the time along this specific plane skew lines direction move and the time skew arranged, also out of true of manual adjustments corner when grating need rotate, workload is big and conventional efficient is low.In addition, existing each cross track of double grating imager is supported by the road wheel at its two ends, the support of the middle longitudinal register track of also ining succession, complex structure, and three strong points are difficult to remain at sustained height upper support cross track, influence stability and the depth of parallelism of track in moving process.
In existing pertinent instruments design, a kind of " double grating imaging scope " (utility model patent in addition, the patent No. is CN 200720083179.7), though this constructional device can be realized second sheet gration and move along skew lines, can realize observing the double grating imaging, but the problem that this scope exists is: the coordinate position of grating is difficult for determining that this instrument only is convenient to observe phenomena and is not easy to measurement data, and manual adjustments determines the inconvenient operation of guide rail position, locatees inaccurate.
As seen, existing optical grating diffraction imaging experiment instrument structure is unreasonable, and exists because grating is moved in manual operation and cause conventional efficient, problem that precision is lower.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple and reasonable, Electronic Control location double grating imager, and the existing double grating imager manual operation complexity in use of solution, optical element are located inaccurate, the problem that conventional efficient is low.
The utility model double grating imager, comprise grating mobile device, optical system, described grating mobile device comprises base, long rails, cross track and sliding support, sliding support places on the cross track, move around along cross track by gear train, swinging mounting is arranged on the sliding support, and grating one, grating two are installed on the swinging mounting, angle sign dish and pointer respectively with sliding support, swinging mounting is coaxial connects; Described optical system comprises light source, object observing thing, grating one, grating two, light barrier and telescope, the long rails of grating mobile device is the column type guide rail, cross track places above two long rails by ball bearing and vertically places with it, on the grating mobile device electric-control system is installed, two traverse rods that grating is placed in control drive longitudinally by synchronous band that track moves around, and the movement of control sliding support, and the rotation of swinging mounting.
The gear train that described driving sliding support moves is turn-screw or is with synchronously.Vertically travel driving motor moves around at long rails by driving synchronous band driving cross track.
The more existing grating image experiment instrument of the utility model has clear superiority, traverse rod in the instrument is more stable, and sliding support that can electronic control bearing optical element moves along specific plane skew lines, and the rotation of electronic control swinging mounting, more convenient, realize the running fix of optical element and the measurement of correlation parameter having improved experimental precision and efficient accurately.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein: 1---long rails; 2---cross track; 3---sliding support; 4---swinging mounting; 5---angle sign dish; 6---pointer; 7---light source; 8---the object observing thing; 9---grating one; 10---grating two; 11---light barrier; 12---telescope; 13---horizontal travel driving motor; 14---rotational drive motor; 15---vertical travel driving motor; 16---be with synchronously; 17---turn-screw; 18---electric-control system.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described.
As shown in Figure 1, according to double grating diffraction imaging condition, second sheet gration must be arranged in certain order diffraction light path of first sheet gration during the double grating imaging, is on some ad-hoc location in this optical diffraction.All be the skew lines that is positioned at the plane because of optical diffraction, this needs the sliding support of bearing optical element to move along plane skew lines direction, existing double grating imager has cross track and long rails, grating running fix is mobile at cross track by its bearing, this cross track moves and forms at vertical with it long rails simultaneously, but apparatus structure makes the stationarity of cross track not good enough.Grating mobile device of the present utility model comprises long rails 1, cross track 2 and sliding support 3, sliding support places on the cross track, move around along cross track by gear train, swinging mounting 4 is arranged on the sliding support, grating 1, grating 2 10 are installed on the swinging mounting, angle sign dish 5 and pointer 6 respectively with sliding support, swinging mounting is coaxial connects; Optical system comprises light source 7, object observing thing 8, light barrier 11 and telescope 12 are equipped with electric-control system 18 on the grating mobile device, two traverse rods that grating is placed in control are by being with 16 to drive longitudinally that track moves around synchronously, and the movement of control sliding support, and the rotation of swinging mounting.
Change its two ends of cylindrical tracks into and be fixed on the base owing to will indulge rail, cross track places on two long rails by ball bearing, and the stationarity of cross track is greatly increased; Simultaneously, the utility model has also increased electric-control system 18, the electric-control system 18 that increases comprises power supply, switch, single-chip microcomputer and man-machine interface, control circuit and motor driver, control respectively two vertical travel driving motor 15 by synchronous band drive cross track longitudinally track move around, control two horizontal travel driving motor 13 respectively by leading screw 17(or be with synchronously) driving sliding support 3 transversely track move around; Rotational drive motor 14 is arranged on the sliding support 3, and electric control system controls rotational drive motor 14 control swinging mountings 4 rotate; Single-chip microcomputer operation is according to the Electric Machine Control algorithm of light path diffraction principle establishment, and the driving of finishing man-machine interface is with mutual, and man-machine interface has comprised the LCD demonstration, key is set, operating control handle and the interface of communicating by letter with host computer.
During this novel double grating imager work, can realize automatically controlled sliding support transversely and accurately locate longitudinally and move by electric-control system, and the accurate rotation of swinging mounting, thereby make the optical element that places on the support realize automatically controlled movement and rotation; Particularly, electric-control system determines that by man-machine interface optical element is in any 2 positions on plane, can obtain comprising straight line (skew lines) the route parameter of these 2 positions, then can operate this optical element by man-machine interface and on this skew lines, accurately move and the location all the time.Move first sheet gration by control system during experiment and navigate to the position that experiment needs, choose certain order diffraction light path of this grating, utilize electric-control system that second sheet gration is placed this first sheet gration optical diffraction, control system is determined two location points of second sheet gration on this optical diffraction by man-machine interface, thereby determine above-mentioned skew lines, control second sheet gration by control system again and converge the spectrum condition in this skew lines movement until certain the order diffraction light that satisfies this grating, realize the double grating imaging.Rotational drive motor 14 drives swinging mountings and rotates in addition, thus make the optical element that is positioned on the sliding support clockwise or rotate counterclockwise, to satisfy the demand of the double grating imaging experiment of two gratings under different angles.
The utility model has improved the stationarity of instrument, is convenient to accurate movement and the experiment measuring of optical element, has improved experimental precision and the efficient of diffraction imaging experiment greatly.
Claims (3)
1. novel double grating imager, comprise grating mobile device, optical system, described grating mobile device comprises base, long rails (1), cross track (2) and sliding support (3), sliding support places on the cross track, move around along cross track by gear train, swinging mounting (4) is arranged on the sliding support, grating one (9), grating two (10) are installed on the swinging mounting, angle sign dish (5) and pointer (6) respectively with sliding support, swinging mounting is coaxial connects; Described optical system comprises light source (7), object observing thing (8), grating one, grating two, light barrier (11) and telescope (12), it is characterized in that: the long rails of grating mobile device (1) is the column type guide rail, cross track places above two long rails by ball bearing and vertically places with it, electric-control system (18) is installed on the grating mobile device, track moves around two traverse rods of control placement grating by being with (16) to drive longitudinally synchronously, and the movement of control sliding support, and the rotation of swinging mounting.
2. novel double grating imager according to claim 1 is characterized in that: drive the mobile gear train of sliding support (3) and be turn-screw (17) or band synchronously.
3. novel double grating imager according to claim 1 is characterized in that: vertically band (16) driving cross tracks (2) move around at long rails (1) travel driving motor (15) by driving synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013511 CN203038545U (en) | 2013-01-11 | 2013-01-11 | Novel double-grating imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013511 CN203038545U (en) | 2013-01-11 | 2013-01-11 | Novel double-grating imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038545U true CN203038545U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320013511 Expired - Fee Related CN203038545U (en) | 2013-01-11 | 2013-01-11 | Novel double-grating imager |
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| CN (1) | CN203038545U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310687A (en) * | 2013-07-10 | 2013-09-18 | 南京工程学院 | Forced-vibration damping pendulum |
| CN105355125A (en) * | 2015-12-01 | 2016-02-24 | 福建省泉州市第七中学 | High precision optical bench |
| CN106548693A (en) * | 2017-01-25 | 2017-03-29 | 苏州圣艺文体用品有限公司 | A kind of nearly long sight image-forming demonstration instruments used for education of slide rail type |
| CN107085211A (en) * | 2016-02-15 | 2017-08-22 | 北京天赢测控技术有限公司 | The application method of the walking mechanism of underground bullet detection system |
| CN108806442A (en) * | 2018-07-04 | 2018-11-13 | 广西大学 | A kind of rail multiaxis collaboration universal optical experiment porch |
-
2013
- 2013-01-11 CN CN 201320013511 patent/CN203038545U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310687A (en) * | 2013-07-10 | 2013-09-18 | 南京工程学院 | Forced-vibration damping pendulum |
| CN105355125A (en) * | 2015-12-01 | 2016-02-24 | 福建省泉州市第七中学 | High precision optical bench |
| CN105355125B (en) * | 2015-12-01 | 2018-08-21 | 苏灵铃 | A kind of high-precision optical bench |
| CN107085211A (en) * | 2016-02-15 | 2017-08-22 | 北京天赢测控技术有限公司 | The application method of the walking mechanism of underground bullet detection system |
| CN106548693A (en) * | 2017-01-25 | 2017-03-29 | 苏州圣艺文体用品有限公司 | A kind of nearly long sight image-forming demonstration instruments used for education of slide rail type |
| CN108806442A (en) * | 2018-07-04 | 2018-11-13 | 广西大学 | A kind of rail multiaxis collaboration universal optical experiment porch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130703 Termination date: 20170111 |