CN101881395B - Two-channel LED light-combined illuminating system - Google Patents
Two-channel LED light-combined illuminating system Download PDFInfo
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- CN101881395B CN101881395B CN2010102293282A CN201010229328A CN101881395B CN 101881395 B CN101881395 B CN 101881395B CN 2010102293282 A CN2010102293282 A CN 2010102293282A CN 201010229328 A CN201010229328 A CN 201010229328A CN 101881395 B CN101881395 B CN 101881395B
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- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims abstract description 80
- 230000003287 optical effect Effects 0.000 claims abstract description 75
- 238000005286 illumination Methods 0.000 claims abstract description 17
- 229910003460 diamond Inorganic materials 0.000 claims description 29
- 239000010432 diamond Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000006664 bond formation reaction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052721 tungsten Inorganic materials 0.000 abstract description 3
- 239000010937 tungsten Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a two-channel LED light-combined illuminating system. A microscope is internally provided with an illuminating condenser lens, a right angle reflecting prism and a large material mirror; a radiator, an LED light source, a light collector, a rhombic prism device, the illuminating condenser lens, the right angle reflecting prism and the large material mirror are sequentially arranged along the same optical axis of the light path direction; the rhombic prism device leastways comprises a first side face and second side face which are parallel with each other, as well as a third side face and a forth side face which are parallel with each other; and a light beam which is emitted from the LED light source is respectively emitted into the rhombic prism device from the first side face and the third side face and is emitted out of the rhombic prism device from the second side face and the forth side face, so that the emergent light is nearer to the optical axis than the primary light beam to achieve the effect of light combination. Compared with the conventional two-channel system, the two-channel LED light-combined illuminating system obviously reduces the volume, has simple structure, is easily adjusted, can be widely applied to the illumination of a surgical operation microscope, and can select the light source such as a halogen tungsten lamp and a laser tube, etc.
Description
Technical field
The present invention relates to a kind of two-channel LED light-combined illuminating system, belong to photoelectric lighting and technique for displaying field, particularly, be applied to the illumination of surgical operation microscope.
Background technology
Monolateral reflective prism illumination has been adopted in the illumination of existing surgical operation microscope, and light source adopts halogen tungsten lamp or xenon lamp, and volume is bigger, and the life-span is shorter; The binary channels illuminator that also adopts LED that has; Though light source life has extended,, make that the distance between two LED passages of separately adorning is bigger because the rear of led light source also has optical collector; So just increased the volume of total system, and can not regulate easily.
Summary of the invention
The purpose of this invention is to provide the two-channel LED light-combined illuminating system that a kind of volume is little, be prone to adjusting.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of two-channel LED light-combined illuminating system; Being used for microscope throws light on to object; Be provided with illumination condenser, right-angle reflecting prism and big object lens in the described microscope; Along setting gradually heating radiator, rhombic prism device, illumination condenser, right-angle reflecting prism and big object lens on the same optical axis of optical path direction; Led light source is between described heating radiator and described rhombic prism device, and described led light source comprises apart from the distance of optical axis and equating and first led light source and second led light source of the both sides of separation optical axis; Be provided with optical collector between described led light source and the described rhombic prism device, described optical collector comprises first optical collector and second optical collector that corresponds respectively to described first led light source and described second led light source; The emergent light of described first led light source and described second led light source is respectively through forming parallel with optical axis respectively first light beam and second light beam behind described first optical collector and described second optical collector; Described rhombic prism device comprises first side, second side, the 3rd side and the 4th side at least; Described first side and described second side are parallel to each other; Described the 3rd side and described the 4th side are parallel to each other; Described first light beam is injected described rhombic prism device, is penetrated formation first emergent light from described second side from described first side; Described first emergent light still be parallel to optical axis and than described first light beam more near optical axis; Described second light beam injects described rhombic prism device from described the 3rd side, penetrate from described the 4th side and form second emergent light, described second emergent light still be parallel to optical axis and than described second light beam more near optical axis; Described first emergent light and described second emergent light finally arrive target object through described big object lens again through injecting described right-angle reflecting prism behind the described illumination condenser and behind the bottom reflection of described right-angle reflecting prism, penetrating.
Preferably; Described rhombic prism device comprises first rhombic prism; The seamed edge and the optical axis at the place, two acute angle summits of the principal section of described first rhombic prism intersect vertically; On described first rhombic prism with described first led light source be positioned at optical axis homonymy and be first side near the side of described first led light source; On described first rhombic prism with described second led light source be positioned at optical axis homonymy and be the 3rd side near the side of described second led light source; The side that parallels with described first side is second side, and the side that parallels with described the 3rd side is the 4th side, further; Also be provided with the 5th side of all intersecting with described first side and described the 3rd side on described first rhombic prism, the intersecting lens of the intersecting lens of described the 5th side and described first side and described the 5th side and described the 3rd side is parallel to each other.
Preferably; Described rhombic prism device comprises second rhombic prism and Three Diamond prism; The principal section of described second rhombic prism is identical with the principal section of described Three Diamond prism; Described second rhombic prism is provided with first bonding plane; Described Three Diamond prism is provided with second bonding plane, the face symmetric body that described first bonding plane and the mutually bonding formation prism of described second bonding plane assembly, described prism assembly are is the plane of symmetry with described first bonding plane or described second bonding plane; Described second rhombic prism and described Three Diamond prism are symmetrically distributed in the both sides of optical axis; Described second rhombic prism and described first led light source are positioned at the homonymy of optical axis, and described Three Diamond prism and described second led light source are positioned at the homonymy of optical axis, and the side near described first led light source on described second rhombic prism is first side; Side near described second led light source on the described Three Diamond prism is the 3rd side; The side that is parallel to each other with described first side is second side, and the side that is parallel to each other with described the 3rd side is the 4th side, a nearlyer step ground; Also be provided with the 6th side of all intersecting with described first side and described first bonding plane on described second rhombic prism, the intersecting lens of the intersecting lens of described the 6th side and described first side and described the 6th side and first bonding plane is parallel to each other; Also be provided with the heptalateral face that all intersects with described the 3rd side and described second bonding plane on the described Three Diamond prism, the intersecting lens of described heptalateral face and described the 3rd side and the intersecting lens of described heptalateral face and described second bonding plane are parallel to each other.
Preferably, be provided with field lens between described rhombic prism device and the described illumination condenser.
The invention has the beneficial effects as follows: the light beam of the control of the subchannel in the conventional art is leaned on the rhombus axle, control again, reduced the volume of total system; Simple in structure, compact, easy to adjust; After adding field lens, more improved the utilization factor of luminous energy.
Description of drawings
Accompanying drawing 1 is the structural representation during single rhombic prism for two-channel LED light-combined illuminating system of the present invention adopts;
Accompanying drawing 2 is a two-channel LED light-combined illuminating system of the present invention structural representation when adopting the Double Diamond prism;
Accompanying drawing 3 is the structural representation that in accompanying drawing 2, adds field lens.
In the accompanying drawing: 1, first led light source; 2, second led light source; 3, first optical collector;
4, second optical collector; 5, first heating radiator; 6, second heating radiator;
7, first rhombic prism; 8, second rhombic prism; 9, Three Diamond prism;
10, field lens; 11, illumination condenser; 12, right-angle reflecting prism; 13, big object lens;
14, first side; 15, second side; 16, the 3rd side; 17, the 4th side;
18, the 5th side; 19, the 6th side; 20, heptalateral face.
Embodiment
Below in conjunction with embodiment shown in the drawings technical scheme of the present invention is done following detailed description the in detail:
Embodiment one: shown in accompanying drawing 1; Two-channel LED light-combined illuminating system; First heating radiator 5 of the optical axis both sides of living apart up and down of the direction setting of advancing along its light path and second heating radiator 6, first led light source 1 that corresponds respectively to first heating radiator 5 and second heating radiator 6 and second led light source 2, first optical collector 3 that corresponds respectively to first led light source 1 and second led light source 2 and second optical collector 4, be positioned at rhombic prism device on the optical axis, be positioned at illumination condenser 11 on the optical axis, be positioned at the right-angle reflecting prism 12 on the optical axis and be positioned at the big object lens 13 on the optical axis; The rhombic prism device is first rhombic prism 7; First rhombic prism 7 comprise be positioned at optical axis top and second side 15 that be parallel to each other near first side 14 of first led light source 1, with first side 14, be positioned at the optical axis below and near the 3rd side 16 of second led light source 2 and the 4th side 17 that is parallel to each other with the 3rd side 16; First led light source 1 and second led light source 2 are symmetrically distributed in the both sides up and down of optical axis; The emergent light of first led light source 1 and second led light source 2 forms first light beam and second light beam through first optical collector 3 and second optical collector, 4 backs respectively; First light beam is above optical axis; Second light beam is below optical axis; First light beam injects first rhombic prism 7 from first side 14, penetrate first rhombic prism 7 from second side 15 forms first emergent light, and second light beam injects first rhombic prism 7 from the 3rd side 16, penetrate first rhombic prism 7 from the 4th side 17 forms second emergent light, by the characteristic of rhombic prism; First emergent light that obtains and second emergent light still are parallel to each other and all are parallel to optical axis; And more near optical axis, but this moment, second emergent light is above optical axis than first light beam and second light beam for first emergent light and second emergent light; First emergent light is below optical axis; First emergent light and second emergent light are injected the direction of advancing behind the illumination condenser 11 more respectively and are not changed, and continue to see through the big object lens 13 on the surgical operation microscope forward to changing into original vertical direction through right-angle reflecting prism 12 rears respectively again, arrive on the object then.
Particularly, the degree that the user can close light is as required selected first rhombic prism 7 of different parameters, is that example describes at this with the first following rhombic prism 7; First rhombic prism 7: the long 20mm of seamed edge; The sharp angle of principal section=60, refractive index n '=height of incidence of 1.52, the first light beams and second light beam is respectively h=7.5mm; Incident angle I=60 °; Then through the calculating of refraction law and leg-of-mutton corner relation, can obtain: the outgoing of first emergent light and second emergent light highly is h '=1.475mm, and then the distance between first emergent light and second emergent light is significantly less than the distance between first light beam and second light beam.
In order further to reduce the volume of total system; With cutting near first led light source 1 and second led light source 2 and the part between the incidence point of the incidence point of first light beam and second light beam on first rhombic prism 7; Form one the 5th side 18; The intersecting lens of the 5th side 18 and first side 14 is parallel to each other with the intersecting lens of the 5th side 18 and the 3rd side 16, and the 5th side 18 is vertical each other with optical axis.
Embodiment two: shown in accompanying drawing 2; Present embodiment is that with the difference of embodiment 1 mechanism of rhombic prism device is different; Rhombic prism device in the present embodiment comprises second rhombic prism 8 and the Three Diamond prism 9; Second rhombic prism 8 is identical with the principal section of Three Diamond prism 9; Second rhombic prism 8 has first bonding plane, and Three Diamond prism 9 has second bonding plane, and second rhombic prism 8 passes through first bonding plane and the mutually bonding formation prism of second bonding plane assembly with Three Diamond prism 9; This prism assembly is for being the face symmetric body of the plane of symmetry with first bonding plane or second bonding plane; Second rhombic prism 8 and Three Diamond prism 9 are symmetrically distributed in the both sides up and down of optical axis, and second rhombic prism 8 and first led light source 1 are positioned at the homonymy of optical axis, and the Three Diamond prism 9 and second led light source 2 are positioned at the homonymy of optical axis; On second rhombic prism 8 near the side of first led light source 1 be first side 14, the side that parallels with first side 14 is second side 15; On the Three Diamond prism 9 near the side of second led light source 2 be the 3rd side 16, the side that parallels with the 3rd side 16 is that the 4th side 17, the first light beams are injected second rhombic prism 8, penetrated second rhombic prism 8 from second side 15 and form first emergent light from first side 14, second light beam injects Three Diamond rib 9 mirrors from the 3rd side 16, penetrate Three Diamond prisms 9 from the 4th side 17 forms second emergent light; First emergent light and second emergent light are parallel to each other and the both sides up and down of the optical axis of living apart; And first emergent light is positioned at the top of optical axis, and second emergent light is positioned at the below of optical axis; Identical among path that first emergent light and second emergent light continue to propagate forward and the embodiment 1, repeat no more here.
Particularly; The degree that the user can close light is as required selected second rhombic prism 8 and the Three Diamond prism 9 of different parameters; But guarantee that second rhombic prism 8 is identical with each corresponding parameters of Three Diamond prism 9; Choosing value with each parameter of second following rhombic prism 8 and Three Diamond prism 9 is an example here: second rhombic prism 8 and second rhombic prism 9: each seamed edge length is 20mm, and the acute angle of principal section is β=30 °, and refractive index is n
1The height of incidence of '=1.52, the first light beam and second light beam is respectively h
1=7.5mm, incident angle I
1=60 °, then through the calculating of refraction law and leg-of-mutton corner relation, can obtain: the outgoing of first emergent light and second emergent light highly is h
1'=2.32mm, then the distance between first emergent light and second emergent light is significantly less than the distance between first light beam and second light beam equally.
Same in order further to reduce the volume of total system; With cutting near first led light source 1 and second led light source, 2 one ends on the prism assembly at the incidence point of first light beam and the part between second incidence point; On second rhombic prism 8, form the 6th side 19; On Three Diamond prism 9, form heptalateral face 20; The 6th side 19 and heptalateral face 20 coplanes form a gross section, and the intersecting lens of this gross section and first side is parallel to each other with the intersecting lens of this cross section and the 3rd side, and this cross section is vertical each other with optical axis.
Embodiment three: shown in accompanying drawing 3; The difference of present embodiment and embodiment 2 is to be provided with field lens 10 between rhombic prism device and the illumination condenser 11; The optical axis of this field lens 10 and former optical axis coincide; This field lens 10 is positioned near the focal plane of illumination condenser 11, and this field lens 10 can improve the convergence of the edge skew ray bundle of first emergent light and second emergent light.
Light-combined illuminating system of the present invention is applicable to the white actinic light and the look actinic light of led light source, also is applicable to the light that closes of light sources such as halogen tungsten lamp, laser tube.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. two-channel LED light-combined illuminating system; Being used for microscope throws light on to object; Be provided with illumination condenser, right-angle reflecting prism and big object lens in the described microscope; It is characterized in that: along setting gradually heating radiator, rhombic prism device, illumination condenser, right-angle reflecting prism and big object lens on the same optical axis of optical path direction; Led light source is between described heating radiator and described rhombic prism device, and described led light source comprises apart from the distance of optical axis and equating and first led light source and second led light source of the both sides of separation optical axis; Be provided with optical collector between described led light source and the described rhombic prism device, described optical collector comprises first optical collector and second optical collector that corresponds respectively to described first led light source and described second led light source; The emergent light of described first led light source and described second led light source is respectively through forming parallel with optical axis respectively first light beam and second light beam behind described first optical collector and described second optical collector; Described rhombic prism device comprises first side, second side, the 3rd side and the 4th side at least; Described first side and described second side are parallel to each other; Described the 3rd side and described the 4th side are parallel to each other; Described first light beam is injected described rhombic prism device, is penetrated formation first emergent light from described second side from described first side; Described first emergent light still be parallel to optical axis and than described first light beam more near optical axis; Described second light beam injects described rhombic prism device from described the 3rd side, penetrate from described the 4th side and form second emergent light, described second emergent light still be parallel to optical axis and than described second light beam more near optical axis; Described first emergent light and described second emergent light finally arrive target object through described big object lens again through injecting described right-angle reflecting prism behind the described illumination condenser and behind the bottom reflection of described right-angle reflecting prism, penetrating.
2. two-channel LED light-combined illuminating system according to claim 1; It is characterized in that: described rhombic prism device comprises first rhombic prism; The seamed edge at the place, two acute angle summits of corresponding its rhombus principal section intersects vertically with optical axis respectively on described first rhombic prism; On described first rhombic prism with described first led light source be positioned at optical axis homonymy and be first side near the side of described first led light source; On described first rhombic prism with described second led light source be positioned at optical axis homonymy and be the 3rd side near the side of described second led light source; The side that parallels with described first side is second side, and the side that parallels with described the 3rd side is the 4th side.
3. two-channel LED light-combined illuminating system according to claim 2; It is characterized in that: also be provided with the 5th side of all intersecting with described first side and described the 3rd side on described first rhombic prism, the intersecting lens of the intersecting lens of described the 5th side and described first side and described the 5th side and described the 3rd side is parallel to each other.
4. two-channel LED light-combined illuminating system according to claim 1; It is characterized in that: described rhombic prism device comprises second rhombic prism and Three Diamond prism; The principal section of described second rhombic prism is identical with the principal section of described Three Diamond prism; Described second rhombic prism is provided with first bonding plane; Described Three Diamond prism is provided with second bonding plane; The face symmetric body that described first bonding plane and the mutually bonding formation prism of described second bonding plane assembly, described prism assembly are is the plane of symmetry with described first bonding plane or described second bonding plane, described second rhombic prism and described Three Diamond prism are symmetrically distributed in the both sides of optical axis; Described second rhombic prism and described first led light source are positioned at the homonymy of optical axis; Described Three Diamond prism and described second led light source are positioned at the homonymy of optical axis, and the side near described first led light source on described second rhombic prism is first side, and the side near described second led light source on the described Three Diamond prism is the 3rd side; The side that is parallel to each other with described first side is second side, and the side that is parallel to each other with described the 3rd side is the 4th side.
5. two-channel LED light-combined illuminating system according to claim 4; It is characterized in that: also be provided with the 6th side of all intersecting with described first side and described first bonding plane on described second rhombic prism, the intersecting lens of the intersecting lens of described the 6th side and described first side and described the 6th side and first bonding plane is parallel to each other; Also be provided with the heptalateral face that all intersects with described the 3rd side and described second bonding plane on the described Three Diamond prism, the intersecting lens of described heptalateral face and described the 3rd side and the intersecting lens of described heptalateral face and described second bonding plane are parallel to each other.
6. two-channel LED light-combined illuminating system according to claim 1 is characterized in that: be provided with field lens between described rhombic prism device and the described illumination condenser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102293282A CN101881395B (en) | 2010-07-19 | 2010-07-19 | Two-channel LED light-combined illuminating system |
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| CN2010102293282A CN101881395B (en) | 2010-07-19 | 2010-07-19 | Two-channel LED light-combined illuminating system |
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| CN101881395B true CN101881395B (en) | 2012-01-11 |
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| CN107448784B (en) * | 2017-09-13 | 2021-01-05 | 上海航安机场设备有限公司 | Optical system of precision approach path indicator with LED as light source |
| CN108814529B (en) * | 2018-03-06 | 2020-07-24 | 重庆金山医疗器械有限公司 | Electronic endoscope-based lighting system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781404Y (en) * | 2005-04-05 | 2006-05-17 | 苏州六六视觉科技股份有限公司 | Optical system device of operation microscope |
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| JPH10133116A (en) * | 1996-10-30 | 1998-05-22 | Nikon Corp | Binocular magnifying optical device |
| US7710669B2 (en) * | 2000-08-24 | 2010-05-04 | Wavien, Inc. | Etendue efficient combination of multiple light sources |
| US6588944B2 (en) * | 2001-01-29 | 2003-07-08 | Light And Sound Design Ltd. | Three color digital gobo system |
| CN101280893A (en) * | 2008-05-28 | 2008-10-08 | 上海飞锐光电科技有限公司 | LED red, green, blue three color light twin channel color combining system |
| CN101598298B (en) * | 2008-06-05 | 2012-06-27 | 台达电子工业股份有限公司 | Light source conversion device and light source device including the light source conversion device |
| JP5103285B2 (en) * | 2008-06-06 | 2012-12-19 | 三洋電機株式会社 | Photosynthesis method, illumination device, and projection display device |
| CN101684898B (en) * | 2008-09-23 | 2011-09-07 | 青岛海泰镀膜技术有限公司 | Light emitting diode four-channel multiband light source |
| CN201725082U (en) * | 2010-07-19 | 2011-01-26 | 苏州捷美医疗器械有限公司 | Double-channel LED combined illuminating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2781404Y (en) * | 2005-04-05 | 2006-05-17 | 苏州六六视觉科技股份有限公司 | Optical system device of operation microscope |
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