CN103836545A - Electric-control adjustment structure for illumination zone - Google Patents
Electric-control adjustment structure for illumination zone Download PDFInfo
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- CN103836545A CN103836545A CN201210485212.4A CN201210485212A CN103836545A CN 103836545 A CN103836545 A CN 103836545A CN 201210485212 A CN201210485212 A CN 201210485212A CN 103836545 A CN103836545 A CN 103836545A
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- lgp
- lighting module
- illumination
- adjustment structure
- illumination zone
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Abstract
An electric-control adjustment structure for an illumination zone comprises a substrate, a first illumination module and a second illumination module. The first illumination module is provided with a plurality of first light guide plates, a plurality of first LED lamps and a plurality of first optical components. The second illumination module is provided with a plurality of second light guide plates, a plurality of second LED lamps and a plurality of second optical components. Light rays which radiate into the first light guide plates and the light rays which radiate into the second light guide plates focus on a plurality of focal spots at different heights to form a focal depth after being exported through the first light guide plates and the second light guide plates. In addition, by adjusting the current supplied to the first LED lamps and the current supplied to the second LED lamps to form a predetermined ratio, the brightness in the overall illumination zone at any height within the focal depth is controlled to be consistent.
Description
Technical field
The present invention is about a kind of guiding mechanism that is applied to medical illumination light fixture, particularly about a kind of automatically controlled adjustment structure of illumination zone that is applied to medical illumination light fixture.
Background technology
In the time that operation is carried out, operating lamp is very important medical equipment, no matter is general operation, and it is very important that perfect illumination function is provided.Comprise surgical instrument and position, monitor except allowing doctor see the peripheral environment of operation clearly, and the body interior situation of sufferer comprises definition between blood vessel and organ, color etc., more can avoid causing because the visual field is unclear serious medical careless mistake.The operating lamp that is applied to medical operating need possess the characteristic that can form Wu Yingzhao district, and this point is real not identical with general lighting device.At existing operating lamp design aspect, due to the employing of single light source, easily cause the problems such as illumination deficiency, make doctor produce unnecessary trouble and problem at surgical procedure, the visual field of for example surgery location is unintelligible, surgical instrument picks and places malposition or inconvenience, need constantly to adjust the angle of monitor screen etc. problem, all cause surgical staff to perplex greatly.Other also has the setting that coordinates speculum, reflecting layer and transmissive mirror in the mode of multiple light courcess, light source is concentrated on to single focal position, but this practice also makes the depth of focus deficiency of operating lamp, often need in use to adjust operating lamp height and position, be also quite inconvenient.Generally speaking, while execution in view of medical operating, may there are various interim situations, now medical illumination device has just been played the part of important role, and aforementioned medical illumination device all lacks a kind of mechanism of effectively adjusting for the brightness of illumination of light source, optically focused scope, depth of focus etc., being enough to deal with need be for different lighting demand in the time performing a surgical operation, and can carry out in real time adjusting accurately again fast.
Summary of the invention
But, the design of existing medical illumination device all lacks a kind of mechanism of effectively adjusting for the brightness of illumination of light source, optically focused scope, depth of focus etc., being enough to deal with need be for different lighting demand in the time performing a surgical operation, can carry out in real time adjusting accurately again fast, even if change the focus of light focusing so that the means such as frame for movement to be set, still inevitably can cause the shortcoming of brightness of illumination reduction and brightness disproportionation.
Edge this, an object of the present invention is to provide the automatically controlled adjustment structure of a kind of illumination zone, comprising: a matrix; One first lighting module, annular spread is in the one side of this matrix, this first lighting module comprises multiple the first LGPs, this each the first LGP definition has one first incidence surface and one first exiting surface, the position of contiguous this first incidence surface is provided with an at least one LED lamp and corresponding at least one the first optical module, can make the light of a LED lamp be incident upon this first incidence surface and be penetrated by this first exiting surface with equidirectional by this first optical module; One second lighting module, annular spread is in the one side of this matrix, this second lighting module comprises multiple the second LGPs, the lateral margin definition of this each the second LGP has one second incidence surface and one second exiting surface, the position of contiguous this second incidence surface is provided with at least one the 2nd LED lamp and corresponding at least one the second optical module, can make the light of the 2nd LED lamp be incident upon this second incidence surface and be penetrated by this second exiting surface with equidirectional by this second optical module; Wherein inject the light of this first LGP, after deriving via this first LGP, focus on multiple focuses of differing heights and form a depth of focus, and inject the light of this second LGP, after deriving via this second LGP, be and disperse, and supply with a LED lamp and become a predetermined ratio with the electric current of the 2nd LED lamp by adjusting, remain consistent with the brightness of the integral illumination scope of controlling arbitrary height in this depth of focus.
Preferably, be wherein distributed in the rectangle that is shaped as of the plurality of the first LGP in the one side of this matrix.
Preferably, be wherein distributed in the wedge shape that is shaped as of the plurality of the second LGP in the one side of this matrix.
Preferably, wherein the plurality of the second LGP be shorter in length than the plurality of the first LGP.
Preferably, wherein multiple second LGPs of this first lighting module are interspersed between multiple first LGPs of this first lighting module.
Preferably, the more corresponding concentration structure that is provided with of the first exiting surface of the plurality of the first LGP wherein.
Preferably, the more corresponding diffusing structure that is provided with of the second exiting surface of the plurality of the second LGP wherein.
Preferably, the automatically controlled adjustment structure of illumination zone more comprises that being provided with a height regulating mechanism uses focal position and the integral illumination scope thereof of adjusting the light that this first lighting module and this second lighting module derive.
Preferably, the distribution of light that wherein this second lighting module is derived is in the outer rim of integral illumination scope.
Preferably, wherein the automatically controlled adjustment structure applications of this illumination zone in a medical illumination device.
Via the technology used in the present invention means, except can be applicable to operating lamp etc. for the higher medical illumination device of lighting demand degree, mode can be adjusted its optically focused scope according to demands such as patient's different parts, height at any time in the time implementing medical operating by this, reach effect of effective control illuminance, optically focused scope, depth of focus, and can focus by the mode of Current Control time, make the brightness of the integral illumination scope of arbitrary height in this depth of focus remain consistent simultaneously.Improve in prior art, only adjust illumination zone in mechanical focusing mode, and cause illumination be inversely proportional to decline shortcoming.If adopt the present invention to use the mode of the automatically controlled adjustment structure of illumination zone, can keep illumination relatively stable, there is no the shortcoming described in prior art.
Accompanying drawing explanation
Fig. 1 is the lower view that shows the automatically controlled adjustment structure of illumination zone of the present invention;
Fig. 2～Fig. 3 shows the intention of looking of adjusting illumination zone by height regulating mechanism;
Fig. 4 shows that the automatically controlled adjustment structure of illumination zone of the present invention forms the schematic diagram of depth of focus;
Fig. 5 A～Fig. 5 B is the schematic diagram that shows the first lighting module;
Fig. 6 A～Fig. 6 B is the schematic diagram that shows the second lighting module;
Fig. 7 is the illumination Gaussian Profile figure that shows the automatically controlled adjustment structure of illumination zone of the present invention.
Wherein, description of reference numerals is as follows:
The automatically controlled adjustment structure of 100 illumination zone
1 matrix
2 first lighting modules
21 first LGPs
210 first incidence surfaces
211 first exiting surfaces
22 the one LED lamps
23 first optical modules
24 concentration structures
3 second lighting modules
31 second LGPs
310 second incidence surfaces
311 second exiting surfaces
32 the 2nd LED lamps
33 second optical modules
34 diffusing structures
4 height regulating mechanisms
The specific embodiment
The first embodiment
Consult Fig. 1, it shows the lower view of automatically controlled adjustment structure the first embodiment of illumination zone of the present invention.The automatically controlled adjustment structure 100 of illumination zone mainly comprises: a matrix 1, one first lighting module 2, one second lighting module 3 and a height regulating mechanism 4, and the automatically controlled adjustment structure 100 of illumination zone mainly can be applicable to medical illumination device, and for example the present embodiment is operating lamp.
The first lighting module 2, annular spread is in the one side of matrix 1, the first lighting module 2 comprises multiple the first LGPs 21, each the first LGP 21 definition have one first incidence surface 210 and one first exiting surface 211, the position of contiguous the first incidence surface 210 is provided with an at least one LED lamp 22 and corresponding at least one the first optical module 23, can make the light of a LED lamp 22 be incident upon the first incidence surface 210 and be penetrated by the first exiting surface 211 with equidirectional by the first optical module 23.
The second lighting module 3, annular spread is in the one side of matrix 1, the second lighting module 3 comprises multiple the second LGPs 31, the lateral margin definition of each the second LGP 31 has one second incidence surface 310 and one second exiting surface 311 (as shown in Figure 1), the position of contiguous the second incidence surface 310 is provided with at least one the 2nd LED lamp 32 and corresponding at least one the second optical module 33, can make the light of the 2nd LED lamp 32 be incident upon the second incidence surface 310 and be penetrated by the second exiting surface 311 with equidirectional by the second optical module 33.
The first above-mentioned LGP 21 and the second LGP 31, its material can be the optical materials such as common PMMA resin, COP and PC, or other is suitable for making the material of LGP.The first optical module 23 and the second optical module 33 are all collimating mirror (collimator), and the light of the Vernonia parishii Hook． F． subtended angle that LED lamp can be sent pools the applicable little light of dispersing subtended angle (being close to parallel).
In the present embodiment, multiple second LGPs 31 of the second lighting module 3 are interspersed between multiple first LGPs 21 of the first lighting module 2, and the first LGP 21 be shaped as rectangle, the second LGP 31 be shaped as wedge shape, the second LGP 31 be shorter in length than the first LGP 21.
Shown in Fig. 3, the automatically controlled adjustment structure 100 of illumination zone can be provided with height regulating mechanism 4, each first LGP 21 and the second LGP 31 are connected in to height regulating mechanism 4 (planting the folding of similar umbrella frame), change the angle of inclination of the first LGP 21 and the second LGP 31, use focal position and the integral illumination scope thereof of adjusting the light that the first lighting module 2 and the second lighting module 3 derive.As shown in Figure 3, by the angle of inclination that changes the first LGP 21 and the second LGP 31, and then expand the illumination zone in sustained height position.But, this kind by mechanism design focus attain not yet perfect, therefore need do further to improve in conjunction with the technological means of electric control focusing.
With reference to figure 4, it shows that the automatically controlled adjustment structure of illumination zone of the present invention forms the schematic diagram of depth of focus.As shown in the figure, inject the light of the first LGP 21 and the second LGP 31, after deriving via the first LGP 21 and the second LGP 31, focus on multiple focal point F 1, F2, F3, the F4 of differing heights and form a depth of focus D1, inject the light of this second LGP 31, after deriving via the second LGP 31, be and disperse, if can become predetermined ratio by the electric current of adjusting supply the first lighting module 2 and the second lighting module 3, the brightness that should control the integral illumination scope of arbitrary height in depth of focus remains consistent.
The second embodiment
With reference to figure 5A～Fig. 5 B, it shows the schematic diagram of the first lighting module.In the present embodiment, 100a is similar to the composition of previous embodiment for the automatically controlled adjustment structure of illumination zone, but difference is, the first LGP 21 of the first lighting module 2 is at the more corresponding concentration structure 24 that is provided with of its first exiting surface 211, concentration structure 24 can be any structure that helps optically focused, the transparent convex body (as shown in Figure 5 B) of for example similar convex lens, its effect can be used for helping the first lighting module 2 except can be axial optically focused, more can be at its tangential optically focused.With reference to figure 5A, it shows the schematic diagram of the second lighting module.Similarly, the second LGP 31 of the second lighting module 3 is at the more corresponding diffusing structure 34 that is provided with of its second exiting surface 311, diffusing structure 34 can be any astigmatic structure that helps, the transparent concave volume (shown in Fig. 5 B) of for example similar concavees lens, its effect can be used for helping the second lighting module 3 except can be axial astigmatism, more can be in its tangential astigmatism.The Illumination Distribution forming by the optically focused of the first lighting module 2 and the astigmatism of the second lighting module 3, and become a predetermined ratio by adjusting the electric current of supplying with the first lighting module 2 and the second lighting module 3, remain consistent with the brightness of the integral illumination scope of controlling arbitrary height in depth of focus.
Shown in figure 7, it shows the illumination Gaussian Profile figure of the automatically controlled adjustment structure of illumination zone of the present invention.As shown in the figure, D10Min be the first lighting module power supply 100% Illumination Distribution (for example, center highest luminance intensity 10% time, illumination zone diameter is 170mm); D10Max is the Illumination Distribution (lower in central illumination intensity, but coverage area is larger) of the second lighting module power supply 100%.If wish under the situation of excessive influence brightness of illumination not, change the diameter of D10 hot spot time, can reach by changing the power supply ratio of the first lighting module and the second lighting module.For example, center highest luminance intensity 10% time, the first lighting module is powered 100% time, the diameter of hot spot D10 is 170mm (minimum), and can progressively increase the diameter of hot spot D10 by the power supply ratio of progressively adjusting both, the power supply of for example adjusting the first lighting module is 85% and the power supply of the second lighting module while being 30% (0.85D10Max+0.3D10Min), and its illumination zone diameter is 220mm; Be 70% and the power supply of the second lighting module while being 60% (0.7D10Max+0.6D10Min) and adjust the power supply of the first lighting module, its illumination zone diameter is 270mm; And adjust the power supply of the first lighting module be 50% and the power supply of the second lighting module be 100% (0.5D10Max+1D10Min), its illumination zone diameter can reach 320mm, and mode adjustment can increase illumination zone and the unlikely illumination that significantly affects by this.Particularly, 11 the first LGPs need to use 22 LED lamps, and 11 the second LGPs need to use 22 LED, add up to and need 44 LED.When D10 hot spot tunes up while being 2 times, brightness approximately decays into 1/2, if will keep constant the second LGP of brightness need use 66 LED (or quantity is constant but increased power is 3 times).With regard to prior art, if only adjust illumination zone in mechanical focusing mode, its shortcoming is D10 hot spot while being adjusted into 2 times of sizes, and its illumination will be reduced to 1/4 (being inversely proportional to illumination zone area).If as the present embodiment uses the automatically controlled adjustment structure of illumination zone, can keep illumination relatively stable, and it is too many to be unlikely to decline.But human body cannot bear the highest illumination of 160,000 Lux, if irradiating, large area will make illuminated position come to harm, when therefore D10 hot spot tunes up, illumination still can slightly decline, and reduces a use number and increased power that LED is corresponding simultaneously.Therefore adjust the mode (adjusting its electric current makes it maintain special ratios) of the first lighting module and the second lighting module by this kind, and then reach the average effect of brightness in focal depth range, and still can maintain effect of shadowless lighting.
Only preferred embodiment in the structure described in foregoing; wherein the setting position of various assemblies and material can skill according to the actual requirements and at that time make various changes; the making of for example LGP can use injection molding of plastics or with plastics repeatedly the mode of injection molding recombinant make; and its material can be the optical materials such as common PMMA resin, COP and PC; or other is suitable for making the material of LGP; but these all belong to different processing procedure and materials'uses, do not affect Global Macros scope of the present invention.Structure of the present invention and method are applicable to being applied to operating lamp etc. for the higher medical illumination device of lighting demand degree, mode can be implement when medical operating can be at any time according to demands such as patient's different parts, height by this, maintains consistent effect with the brightness of the integral illumination scope of controlling arbitrary height in depth of focus.This kind of method and structure thereof all do not see any prior art in this field, ought to have patentability.
As seen from the above embodiment, value in the true tool industry of the automatically controlled adjustment structure of illumination zone provided by the present invention, but above narration is only preferred embodiment explanation of the present invention, all those skilled in the art are when doing according to above-mentioned explanation other all improvement, but these changes still belong in spirit of the present invention and following defined the scope of the claims.
Claims (8)
1. the automatically controlled adjustment structure of illumination zone, is characterized in that, comprising:
One matrix;
One first lighting module, annular spread is in the one side of this matrix, this first lighting module comprises multiple the first LGPs, this each the first LGP definition has one first incidence surface and one first exiting surface, the position of contiguous this first incidence surface is provided with an at least one LED lamp and corresponding at least one the first optical module, can make the light of a LED lamp be incident upon this first incidence surface and be penetrated by this first exiting surface with equidirectional by this first optical module;
One second lighting module, annular spread is in the one side of this matrix, this second lighting module comprises multiple the second LGPs, the lateral margin definition of this each the second LGP has one second incidence surface and one second exiting surface, the position of contiguous this second incidence surface is provided with at least one the 2nd LED lamp and corresponding at least one the second optical module, can make the light of the 2nd LED lamp be incident upon this second incidence surface and be penetrated by this second exiting surface with equidirectional by this second optical module;
Wherein inject the light of this first LGP, after deriving via this first LGP, focus on multiple focuses of differing heights and form a depth of focus, and inject the light of this second LGP, after deriving via this second LGP, be and disperse, and supply with a LED lamp and become a predetermined ratio with the electric current of the 2nd LED lamp by adjusting, remain consistent with the brightness of the integral illumination scope of controlling arbitrary height in this depth of focus.
2. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, is distributed in the rectangle that is shaped as of the plurality of the first LGP in the one side of this matrix.
3. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, is distributed in the wedge shape that is shaped as of the plurality of the second LGP in the one side of this matrix.
4. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, the plurality of the second LGP be shorter in length than the plurality of the first LGP.
5. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, multiple second LGPs of this second lighting module are interspersed between multiple first LGPs of this first lighting module.
6. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, the more corresponding concentration structure that is provided with of the first exiting surface of the plurality of the first LGP.
7. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, the more corresponding diffusing structure that is provided with of the second exiting surface of the plurality of the second LGP.
8. the automatically controlled adjustment structure of illumination zone as claimed in claim 1, is characterized in that, more comprises that being provided with a height regulating mechanism uses focal position and the integral illumination scope thereof of adjusting the light that this first lighting module and this second lighting module derive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485212.4A CN103836545A (en) | 2012-11-26 | 2012-11-26 | Electric-control adjustment structure for illumination zone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485212.4A CN103836545A (en) | 2012-11-26 | 2012-11-26 | Electric-control adjustment structure for illumination zone |
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| CN103836545A true CN103836545A (en) | 2014-06-04 |
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| CN201210485212.4A Pending CN103836545A (en) | 2012-11-26 | 2012-11-26 | Electric-control adjustment structure for illumination zone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376898A (en) * | 2014-08-26 | 2016-03-02 | 艾笛森光电股份有限公司 | Lighting device and method |
| CN110657357A (en) * | 2019-09-29 | 2020-01-07 | 重庆大学 | Wearable night illumination and emergency alarm device |
| CN111727346A (en) * | 2019-01-23 | 2020-09-29 | 瑞仪光电(苏州)有限公司 | Lamp fitting |
| CN111867214A (en) * | 2020-07-28 | 2020-10-30 | 广东艾罗照明科技股份有限公司 | Lamplight irradiation angle control system, method and device |
| CN113109358A (en) * | 2021-04-15 | 2021-07-13 | 宁波九纵智能科技有限公司 | Single-incidence-angle universal detection device, method and system for products to be detected |
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| US4884008A (en) * | 1987-07-11 | 1989-11-28 | W.C. Heraeus Gmbh | Auto-adjustable operating room light |
| US6443582B1 (en) * | 2000-08-30 | 2002-09-03 | Visteon Corporation | Edge-lit light assembly with light guiding structures |
| CN101799139A (en) * | 2005-08-02 | 2010-08-11 | 贝希托尔德控股有限公司 | Operating lamp |
| US20110090707A1 (en) * | 2009-10-16 | 2011-04-21 | Chiang Chun-Shen | Multi-source shadowless operating lamp |
| CN102563397A (en) * | 2010-12-31 | 2012-07-11 | 南京迈瑞生物医疗电子有限公司 | Operating lamp and its light transmission cover and light spot regulation method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884008A (en) * | 1987-07-11 | 1989-11-28 | W.C. Heraeus Gmbh | Auto-adjustable operating room light |
| US6443582B1 (en) * | 2000-08-30 | 2002-09-03 | Visteon Corporation | Edge-lit light assembly with light guiding structures |
| CN101799139A (en) * | 2005-08-02 | 2010-08-11 | 贝希托尔德控股有限公司 | Operating lamp |
| US20110090707A1 (en) * | 2009-10-16 | 2011-04-21 | Chiang Chun-Shen | Multi-source shadowless operating lamp |
| CN102563397A (en) * | 2010-12-31 | 2012-07-11 | 南京迈瑞生物医疗电子有限公司 | Operating lamp and its light transmission cover and light spot regulation method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376898A (en) * | 2014-08-26 | 2016-03-02 | 艾笛森光电股份有限公司 | Lighting device and method |
| CN111727346A (en) * | 2019-01-23 | 2020-09-29 | 瑞仪光电(苏州)有限公司 | Lamp fitting |
| CN110657357A (en) * | 2019-09-29 | 2020-01-07 | 重庆大学 | Wearable night illumination and emergency alarm device |
| CN111867214A (en) * | 2020-07-28 | 2020-10-30 | 广东艾罗照明科技股份有限公司 | Lamplight irradiation angle control system, method and device |
| CN113109358A (en) * | 2021-04-15 | 2021-07-13 | 宁波九纵智能科技有限公司 | Single-incidence-angle universal detection device, method and system for products to be detected |
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Application publication date: 20140604 |