CN106979751A - A kind of optical splitter - Google Patents
A kind of optical splitter Download PDFInfo
- Publication number
- CN106979751A CN106979751A CN201710385405.5A CN201710385405A CN106979751A CN 106979751 A CN106979751 A CN 106979751A CN 201710385405 A CN201710385405 A CN 201710385405A CN 106979751 A CN106979751 A CN 106979751A
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- China
- Prior art keywords
- light
- grating
- bottom plate
- electromagnet
- connection ring
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The present invention relates to a kind of optical splitter, including motor, light barrier holder, the grating being fixed on light barrier holder, the electric machine controller for controlled motor, it is fixed on light barrier holder top and positioned at the back to zero piece, the optocoupler being arranged on above back to zero piece and two plane mirrors and concave mirror that are arranged on bottom plate on grating top；There are entrance slit and exit slit on bottom plate；The light-dividing device also includes Grating examinations device, and Grating examinations device includes connection ring, and connection ring circumference is connected with two monochromatic source components and a rotating bar, rotates boom end and is connected with armature, bottom panel side is provided with electromagnet positioned at armature both sides；Connection ring is connected with rotary shaft, rotates outer shaft sleeve and is provided with torsion spring, two monochromatic source components and two electromagnet are respectively connected with power control switch.Automatic Grating examinations newly can be achieved in this practicality, so as to detect the use state of grating to decide whether to repair and calibrate, and can voluntarily be detected without dismounting during detection.
Description
Technical field
The present invention relates to light-dividing device, belong to field of optical equipment, it is more particularly related to a kind of optical splitter.
Background technology
Biochemical Analyzer is frequency of use highest, detection range most one of wide, most representational equipment in medical test,
It with it is quick, accurate, portable the advantages of in situation of all-level hospitals have critically important status.Due to Biochemical Analyzer detection when
Wait, mainly have the material of specific absorbance using generation after reagent and serum or reaction of blood, then export single by light-dividing device
The monochromatic light of one wavelength, the above-mentioned reacted product of the monochromatic light exposure simultaneously passes through the change of Instrumental Analysis absorbance or absorbance
Change to judge tested serum or blood sample whether certain medical science project is exceeded, so that it is determined that whether life entity is healthy, therefore,
When carrying out biochemical analysis, light-dividing device can be all applied to.
In Application No. " CN200920078935.6 ", a kind of a kind of entitled " light splitting directly driven by stepper motor
In the patent of device ", a kind of optical splitter directly driven by stepper motor is disclosed, wavelength can not only be shortened the time is set, and
And there is no Mechanical Contact outside the moving component in addition to motor, without frictional force, it can guarantee that monochromatic light output is accurate and testing result
Reliability.The patent mainly solves the inaccurate technical problem of monochromatic light output, and improves the overall stabilization of device
Property and reliability, still, in the patent light barrier holder is fixed by screws on machine shaft, and light barrier holder revolves for a long time
Loosening is had at mode connects for screw after turning, causes stop position run-off the straight or displacement, causes the monochromatic light finally exported to occur strong
Spend deviation, it would therefore be desirable to design it is a kind of can voluntarily detect grating whether meet output require light-dividing device.
The content of the invention
Based on above technical problem, the invention provides a kind of optical splitter, so as to solve the grating of conventional light-dividing device
The technical problem that the degree of accuracy can not be detected voluntarily.
To solve above technical problem, the technical solution adopted by the present invention is as follows：
A kind of optical splitter, including motor, light barrier holder, the grating being fixed on light barrier holder, the electricity for controlled motor
Machine controller, it is fixed on light barrier holder top and the back to zero piece positioned at grating top, the optocoupler that is arranged on above back to zero piece and
Two plane mirrors and concave mirror on bottom plate are arranged on, described bottom plate and the end face of motor are fixedly linked, and light
Grid support is fixed in the rotating shaft of motor, and described motor and optocoupler are also connected with electric machine controller；The bottom plate is upper
Entrance slit and exit slit are also respectively provided with the both sides of grating；
The light-dividing device also includes the Grating examinations device that entrance slit homonymy is located on bottom plate, and Grating examinations device includes
Connection ring, connection ring circumference is connected with the different monochromatic source component of two intensities of light source and a rotating bar, two lists
Coloured light source component is located at connection ring homonymy and interval setting, and two monochromatic source components can be turned to entering for entrance slit
Mouth end is simultaneously coaxial with entrance slit, and the rotation boom end is connected with armature, and the bottom panel side is respectively provided with positioned at armature both sides
There is electromagnet；The connection ring is connected with rotary shaft, and rotary shaft is rotatably connected with the bottom plate；The rotation outer shaft sleeve is set
There is torsion spring, the two ends of torsion spring are fixedly connected with bottom plate and connection ring respectively；
Two monochromatic source components and two electromagnet are respectively connected with power control switch.
It is preferred that, the bottom plate is located at entrance slit homonymy and sets fluted, and the Grating examinations device and electromagnet are equal
It is arranged in groove, two monochromatic source components stretch out groove by folded plate.
It is preferred that, it is also associated with transverse plate between two folded plates.
It is preferred that, the side of the armature towards electromagnet is inclined plane.
It is preferred that, the end face of the electromagnet towards armature is provided with anticollision flexible glue.
It is preferred that, the monochromatic source component includes light collecting barrel, and light collecting barrel threaded one end is connected with logical on the inside of cover, cover
Cross buckle and be snapped with monochromatic paster LED；The light collecting barrel other end is provided with light hole.
It is preferred that, the hole wall of the light hole in arc transition and forms smooth flat positioned at light hole aperture.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is simple in construction, is not changing light-dividing device structure
On the premise of, it is possible to achieve automatic Grating examinations, so that the use state of grating is detected to decide whether to repair and calibrate, and inspection
During survey without dismounting can voluntarily detect, without provide miscellaneous equipment can complete, reduce calibration and detection process and
Time.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 side view；
Fig. 3 is the structural representation of monochromatic source component；
Label in figure is expressed as：1st, entrance slit；2nd, monochromatic source component；3rd, folded plate；4th, connection ring；5th, rotate
Axle；6th, torsion spring；7th, rotating bar；8th, armature；9th, groove；10th, concave mirror；11st, bottom plate；12nd, back to zero piece；13rd, exit slit；
14th, optocoupler；15th, grating；16th, light barrier holder；17th, plane mirror；18th, electric machine controller；19th, motor；20th, transverse plate；21、
Electromagnet；22nd, anticollision flexible glue；23rd, light hole；24th, light collecting barrel；25th, cover；26th, monochromatic paster LED；27th, buckle.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
Embodiment
As shown in Figure 1-Figure 3, a kind of optical splitter, including motor 19, light barrier holder 16, the light being fixed on light barrier holder 16
Grid 15, the electric machine controller 18 for controlled motor 19, be fixed on the top of light barrier holder 16 and positioned at the top of grating 15 back to zero
Piece 12, the optocoupler 14 for being arranged on the top of back to zero piece 12 and two plane mirrors 17 and concave reflection that are arranged on bottom plate 11
Mirror 10, the end face of described bottom plate 11 and motor 19 is fixedly linked, and light barrier holder 16 is fixed in the rotating shaft of motor 19, described
Motor 19 and optocoupler 14 be also connected with electric machine controller 18；Also distinguish both sides on the bottom plate 11 positioned at grating (15)
It is provided with entrance slit 1 and exit slit 13；
The light-dividing device also includes the Grating examinations device that the homonymy of entrance slit 1 is located on bottom plate 11, Grating examinations device
Including connection ring 4, the circumference of connection ring 4 is connected with the different monochromatic source component 2 of two intensities of light source and a rotating bar 7, two
The individual monochromatic source component 2 is located at the homonymy of connection ring 4 and interval setting, and two monochromatic source components 2 can be turned to
The arrival end of entrance slit 1 is simultaneously coaxial with entrance slit 1, and the end of rotating bar 7 is connected with armature 8, the side of bottom plate 11
Electromagnet 21 is provided with positioned at the both sides of armature 8；The connection ring 4 is connected with rotary shaft 5, and rotary shaft 5 can with the bottom plate 11
The connection of rotation；Torsion spring 6 is arranged with outside the rotary shaft 5, the two ends of torsion spring 6 are fixedly connected with bottom plate 11 and connection ring 4 respectively；
Two monochromatic source components 2 and two electromagnet 21 are respectively connected with power control switch.
The operation principle of the present embodiment is：The complex light that light source is sent is mapped to plane mirror by entrance slit 1 first
On 17, then complex light is reflexed on concave mirror 10 by plane mirror 17；Concave mirror 10 is received after complex light
Just it is focused, and the complex light after focusing is reflexed on grating 15；Grating 15 is carried out after receiving the complex light after focusing on
Light splitting, and the complex light after light splitting is re-reflected on concave mirror 10；Last concave mirror 10 is again by after light splitting
Complex light is focused on and reflexed on the plane mirror 17 near exit slit 13, is reflected by plane mirror 17 and by outgoing
Slit 13 is exported.
The present embodiment passes through power control switch control two when needing the position for detecting grating whether to tilt or shift
An energization in electromagnet 21, the absorption armature 8 of electromagnet 21 of energization makes it drive connection ring 4 to rotate, and now torsion spring 6 is even
Connecing ring 4 drives lower reverse to store power, at the same connection ring 4 rotate in latter two monochromatic source component 2 one of them then turn into
Penetrate the arrival end of slit 1 and coaxial with entrance slit 1, should by the circuit of the power control switch connection monochromatic source component 2
Monochromatic source component 2 is opened and provides monochromatic source, and monochromatic source is exported by above-mentioned light path from exit slit 13, due to monochrome
The light intensity of light source assembly 2 by the light intensity for detecting the light projected or the ratio for observing its light and shade striped, it is known that can now be examined
Output light is measured with the presence or absence of deviation, and then can show whether the position of grating has deviation, so that whether determining device available or
Adjustment need to be repaired；After detection is finished, then the circuit of above-mentioned electromagnet 21 and monochromatic source component 2 is closed, now torsion spring 6 recovers
Deformation drives connection ring 4 to turn to home position；To ensure that testing result is accurate, it can also connect another after above-mentioned detection is completed
The circuit of individual electromagnet 21 and monochromatic source component 2 is detected again, and comprehensive analysis is carried out with reference to the two testing result, is improved
The accuracy of testing result.The monochromatic source component 2 of the present embodiment is preferably selected the light source of two kinds of varying strength sizes, to carry
The accuracy of high detection.
The present embodiment considers device overall structure, and being located at the homonymy of entrance slit 1 in the bottom plate 11 sets fluted 9,
The Grating examinations device and electromagnet 21 are arranged in groove 9, and two monochromatic source components 2 are stretched by folded plate 3
Go out groove 9.So as to which Grating examinations device and electromagnet 21 may be provided in groove 9, bottom plate 11 will not be protruded, occupancy is reduced empty
Between and volume, it is ensured that under the requirement of original device dimensional structure realize detection.
In the present embodiment, transverse plate 20 is also associated between two folded plates 3.Transverse plate 20 can be by two folded plates 3
It is connected as a single entity, so as to increase the stability of the two, it is to avoid monochromatic source component 2 is rocked in the adsorption process of electromagnet 21.
In the present embodiment, the side of armature 8 towards the electromagnet 21 is inclined plane.Armature 8 is being adsorbed to electromagnet
21 and when being fitted with electromagnet 21, the contact surface of inclined plane is maximum, so as to increase absorption affinity of the electromagnet 21 to armature 8.
In the present embodiment, the end face of electromagnet 21 towards the armature 8 is provided with anticollision flexible glue 22.Anticollision flexible glue 22 can be with
The impulsive force that electromagnet 21 and armature 8 are mutually collided is reduced, many infringements of the two are reduced.
On the basis of above technical scheme, the monochromatic source component 2 of the present embodiment includes light collecting barrel 24, the one end of light collecting barrel 24
Cover 25 is threaded with, the inner side of cover 25 is snapped with monochromatic paster LED 26 by buckle 27；The other end of light collecting barrel 24 is set
It is equipped with light hole 23.The monochromatic light that monochromatic paster LED 26 is sent by after the optically focused of light collecting barrel 24 by light hole 23 formation light beam,
Light collecting barrel 24, cover 25 and monochromatic paster LED 26 are connected using dismountable mode, so as to facilitate installation and debugging and maintenance.
The hole wall of above-mentioned light hole 23 in arc transition and forms smooth flat positioned at the aperture of light hole 23.Light hole 23
Hole wall be in arc transition after tend to be steady to form smooth plane so that the port position of light hole 23 be smooth periphery,
The light that light hole 23 is projected can ensure that straight line is projected, and light condenses, and ensure that the injection that monochromatic light can seldom be lost
Entrance slit 1, it is ensured that testing result is accurate.
It is embodiments of the invention as described above.Design parameter in above-described embodiment and embodiment is merely to clear
The invention verification process of inventor is stated by Chu, and is not used to the scope of patent protection of the limitation present invention, patent protection of the invention
Scope is still defined by its claims, and the equivalent structure that every specification and accompanying drawing content with the present invention is made becomes
Change, similarly should be included within the scope of the present invention.
Claims (7)
1. a kind of optical splitter, including motor (19), light barrier holder (16), the grating (15) being fixed on light barrier holder (16), use
Electric machine controller (18) in controlled motor (19), it is fixed on light barrier holder (16) top and positioned at the back to zero on grating (15) top
Piece (12), the optocoupler (14) being arranged on above back to zero piece (12) and two plane mirrors (17) being arranged on bottom plate (11)
With concave mirror (10), the end face of described bottom plate (11) and motor (19) is fixedly linked, and light barrier holder (16) is fixed on
In the rotating shaft of motor (19), described motor (19) and optocoupler (14) are also connected with electric machine controller (18)；The bottom plate
(11) both sides on positioned at grating (15) are also respectively provided with entrance slit (1) and exit slit (13)；
It is characterized in that：
The light-dividing device also includes the Grating examinations device that entrance slit (1) homonymy is located on bottom plate (11), Grating examinations device
Including connection ring (4), connection ring (4) circumference is connected with the different monochromatic source component (2) of two intensities of light source and a rotation
Bar (7), two monochromatic source components (2) are located at connection ring (4) homonymy and interval setting, and two sets of monochromatic light sources
Part (2) can be turned to the arrival end of entrance slit (1) and with entrance slit (1) coaxially, rotating bar (7) end is connected with rank
Iron (8), the bottom plate (11) is provided with electromagnet (21) positioned at armature (8) both sides sideways；The connection ring (4), which is connected with, to be turned
Moving axis (5), rotary shaft (5) is rotatably connected with the bottom plate (11)；Torsion spring (6), torsion spring are arranged with outside the rotary shaft (5)
(6) two ends are fixedly connected with bottom plate (11) and connection ring (4) respectively；
Two monochromatic source components (2) and two electromagnet (21) are respectively connected with power control switch.
2. a kind of optical splitter according to claim 1, it is characterised in that：It is same that the bottom plate (11) is located at entrance slit (1)
Side sets fluted (9), and the Grating examinations device and electromagnet (21) are arranged in groove (9), two monochromatic light
Source component (2) stretches out groove (9) by folded plate (3).
3. a kind of optical splitter according to claim 1, it is characterised in that：Horizontal stroke is also associated between two folded plates (3)
To plate (20).
4. a kind of optical splitter according to claim 1, it is characterised in that：Side of the armature (8) towards electromagnet (21)
Face is inclined plane.
5. a kind of optical splitter according to claim 1, it is characterised in that：End of the electromagnet (21) towards armature (8)
Face is provided with anticollision flexible glue (22).
6. a kind of optical splitter according to claim any one of 1-5, it is characterised in that：Monochromatic source component (2) bag
Light collecting barrel (24) is included, light collecting barrel (24) threaded one end is connected with the inside of cover (25), cover (25) and is snapped with by buckle (27)
Monochromatic paster LED (26)；Light collecting barrel (24) other end is provided with light hole (23).
7. a kind of optical splitter according to claim 6, it is characterised in that：The hole wall of the light hole (23) is in arc transition
And form smooth flat positioned at light hole (23) aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385405.5A CN106979751B (en) | 2017-05-26 | 2017-05-26 | Light splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385405.5A CN106979751B (en) | 2017-05-26 | 2017-05-26 | Light splitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979751A true CN106979751A (en) | 2017-07-25 |
| CN106979751B CN106979751B (en) | 2023-07-14 |
Family
ID=59342914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385405.5A Active CN106979751B (en) | 2017-05-26 | 2017-05-26 | Light splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979751B (en) |
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| CN200989878Y (en) * | 2006-10-13 | 2007-12-12 | 姜洪滨 | Optical grating monochromator |
| CN101545807A (en) * | 2009-05-08 | 2009-09-30 | 中国科学院上海技术物理研究所 | Multi-slit convex grating imaging spectrograph |
| JP2011043438A (en) * | 2009-08-21 | 2011-03-03 | Mitsutoyo Corp | Reflective photoelectric encoder |
| CN101989435A (en) * | 2009-07-31 | 2011-03-23 | 三洋电机株式会社 | Mounting structure of optical member, and pickup apparatus and disc apparatus including the same |
| EP2615425A1 (en) * | 2012-01-13 | 2013-07-17 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Measurement system for optical touch trigger or scanning probe with a concave mirror |
| CN103675303A (en) * | 2010-07-23 | 2014-03-26 | 贝克曼考尔特公司 | Sensor system |
| CN105277273A (en) * | 2015-10-26 | 2016-01-27 | 中国电子科技集团公司第二十三研究所 | Interferometric optical fiber hydrophone resisting strong electromagnetic interference and manufacturing method thereof |
| CN106017673A (en) * | 2016-05-10 | 2016-10-12 | 天津大学 | MEMS-scanning-micromirror-based double-pass grating monochrometer optical path structure |
-
2017
- 2017-05-26 CN CN201710385405.5A patent/CN106979751B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612695A (en) * | 1968-09-26 | 1971-10-12 | Philips Corp | Arrangement for measuring the rotation of a first object relative to a second object |
| JPS63217222A (en) * | 1987-03-06 | 1988-09-09 | Mitsutoyo Corp | Photoelectric displacement detecting device |
| CN200989878Y (en) * | 2006-10-13 | 2007-12-12 | 姜洪滨 | Optical grating monochromator |
| CN101545807A (en) * | 2009-05-08 | 2009-09-30 | 中国科学院上海技术物理研究所 | Multi-slit convex grating imaging spectrograph |
| CN101989435A (en) * | 2009-07-31 | 2011-03-23 | 三洋电机株式会社 | Mounting structure of optical member, and pickup apparatus and disc apparatus including the same |
| JP2011043438A (en) * | 2009-08-21 | 2011-03-03 | Mitsutoyo Corp | Reflective photoelectric encoder |
| CN103675303A (en) * | 2010-07-23 | 2014-03-26 | 贝克曼考尔特公司 | Sensor system |
| EP2615425A1 (en) * | 2012-01-13 | 2013-07-17 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Measurement system for optical touch trigger or scanning probe with a concave mirror |
| CN105277273A (en) * | 2015-10-26 | 2016-01-27 | 中国电子科技集团公司第二十三研究所 | Interferometric optical fiber hydrophone resisting strong electromagnetic interference and manufacturing method thereof |
| CN106017673A (en) * | 2016-05-10 | 2016-10-12 | 天津大学 | MEMS-scanning-micromirror-based double-pass grating monochrometer optical path structure |
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| Publication number | Publication date |
|---|---|
| CN106979751B (en) | 2023-07-14 |
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