CN102959311A - Lighting module for light, light and method for mounting lighting module on light - Google Patents

Lighting module for light, light and method for mounting lighting module on light Download PDF

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Publication number
CN102959311A
CN102959311A CN2011800295144A CN201180029514A CN102959311A CN 102959311 A CN102959311 A CN 102959311A CN 2011800295144 A CN2011800295144 A CN 2011800295144A CN 201180029514 A CN201180029514 A CN 201180029514A CN 102959311 A CN102959311 A CN 102959311A
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CN
China
Prior art keywords
light emitting
emitting module
light
illuminator
reflector
Prior art date
Application number
CN2011800295144A
Other languages
Chinese (zh)
Other versions
CN102959311B (en
Inventor
纳迪尔·法希特基安
Original Assignee
欧司朗有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE102010041319A priority Critical patent/DE102010041319A1/en
Priority to DE102010041319.4 priority
Application filed by 欧司朗有限公司 filed Critical 欧司朗有限公司
Priority to PCT/EP2011/064957 priority patent/WO2012038204A1/en
Publication of CN102959311A publication Critical patent/CN102959311A/en
Application granted granted Critical
Publication of CN102959311B publication Critical patent/CN102959311B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/40Hand grips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/40Hand grips
    • F21V21/403Hand grips for operation or dentist lamps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20Lighting for medical use
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20Lighting for medical use
    • F21W2131/205Lighting for medical use for operating theatres
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00Combination of light sources
    • F21Y2113/10Combination of light sources of different colours
    • F21Y2113/13Combination of light sources of different colours comprising an assembly of point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/30Semiconductor lasers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F2013/005Thermal joints
    • F28F2013/006Heat conductive materials

Abstract

The invention relate to a lighting module (1) for a light (12), in particular an examination light, comprising at least one semiconductor light source (2a, 2b), in particular a light-emitting diode, and at least one common optical system (3) connected downstream of the at least one semiconductor light source (2a, 2b), wherein the lighting module (1) is integrated into the light (12) such that same can be replaced. The light (12) comprises a lighting module (1), wherein the lighting module can be replaced as a unit. The method is used for mounting a lighting module (1) on a light (12) according to claim 12, wherein the method comprises at least the following steps: pushing the lighting module (1) through an opening in the transparent covering (16); fastening the handle (19) to the transparent covering (16) such that the handle (19) presses on the contact face (9) of the lighting module (1) and, moreover, such that the heat sink (10) of the lighting module presses against the body (13) of the light (12).

Description

Be used for light emitting module, the illuminator of illuminator and be used for light emitting module is installed to method on the illuminator

Technical field

The present invention relates to a kind of light emitting module for illuminator, illuminator is inspecting lamp, particularly medical examining lamp, particularly operating lamp or dental lamp particularly, and this light emitting module has at least one light source and is connected to the optics of this light source after at least one.The invention still further relates to a kind of the have illuminator of this light emitting module, particularly inspecting lamp.The invention still further relates to that a kind of illuminator is, the method on the inspecting lamp particularly for light emitting module is installed to.

Background technology

DE 25 35 556 A1 relate to a kind of illuminator with reflector system for the operation light-emitting device, reflector system is according to light beam sample projection light, this light beam sample focuses in axial cross section and is symmetrical about the main shaft of institute's projecting beam, wherein the symmetry axis of main shaft and illuminator is superimposed, wherein, light source arrangement is other and symmetrical about symmetry axis at symmetry axis, wherein reflector system forms the Optical devices around many light reflection paths, and light beam projected zone to be illuminated in direction, this zone is transverse to main shaft, and be provided with the inner frame device that is used to light source and Optical devices location and support, in addition, Optical devices have: reflector arrangement, this reflector arrangement has reflective surface, and reflective surface is attached troops to a unit in light source and ambient light source at least in part, in order to directly receive the light beam of light source, the such folded light beam of reflector arrangement wherein, namely reflector arrangement has the principal direction assembly that axially is towards illuminator; Another has the reflector arrangement of reflecting surface, it is arranged like this, be that it receives the beam by light source-reflector arrangement reflection, the beam of injecting like this, be that it has the principal direction assembly that extends substantially transversely to symmetry axis, wherein horizontal-reflector arrangement and light source-reflector arrangement are arranged like this along symmetry axis, be the source reflector arrangement with laterally-reflector arrangement is arranged in relative two of light source in the axial direction, and wherein light source-reflector arrangement and horizontal-reflector arrangement correspondingly extend substantially transversely to symmetry axis and arrange symmetrically with it, and at light source-device and laterally-form light path between reflector arrangement, this light path near and surround symmetry axis; The reflector arrangement of radially arranging, this reflector arrangement has reflective surface, its radially from and at least in part around at source-reflector arrangement and laterally-light path arrangement between reflector arrangement, wherein the reflector arrangement of radial arrangement is arranged symmetrically with like this with respect to symmetry axis, be reflector arrangement receive only by laterally-light of reflector arrangement reflection, and light utilizes master component to throw according to angle towards zone to be illuminated on direction, these angles are led to main shaft and form thus the beam sample that focuses in axial cross sections, thereby around making, pressing the shade that the light beam that arrives at a certain angle of the reflector arrangement that spaced radial arranges forms reduces, and in axial cross section, form conical area, this zone is along main shaft and illuminator is adjacent and extend in direction, wherein, the summit is near zone to be illuminated, wherein do not reflect in the conical area, by diametrically by the light beam of spaced apart reflector arrangement projection, and with reflection, compare by the light beam of spaced apart reflector arrangement projection diametrically and do not have shade.

Summary of the invention

The object of the invention is to, a kind of inspecting lamp that is user-friendly to especially is provided.

This purpose realizes according to the feature described in the independent claims.Preferred embodiment especially can be by drawing in the dependent claims.

This purpose realizes by the light emitting module that is used for illuminator, particularly inspecting lamp, wherein light emitting module has the common optics that is connected at least one semiconductor light sources after at least one semiconductor light sources and at least one, and wherein light emitting module can be integrated in the illuminator in the mode that can change.

The advantage of this illuminator is that it can be replaced like a cork when one or more Light-Emitting Diodes shut down.This with have the illuminator that is distributed in a large number on the whole light-emitting area of illuminator and has separately the Light-Emitting Diode of exclusive optics and compare, has especially advantage, wherein optics is directly aimed at the light of affiliated light emitting diode and is focused on the plane of expectation, thereby need not use reflector.

Can also exempt again calibration process by changing whole light emitting module.

In addition, thus change light emitting module and change that irregular colour can not occur after all semiconductor light sources even.On the contrary, when only changing the light emitting diode of a damage in a plurality of light emitting diodes, may occur significantly inhomogeneous because still running light emitting diode is aging; It is inconsistent that light emitting diode new, that changed may belong to the wavelength of the light emitting diode (for example, when original light emitting diode again can't buy) of another kind of type and/or wavelength and original light emitting diode.

Another advantage is, can be like a cork finishes repacking to illuminator according to newer light source technology.

Compare the longer service life of the application apparatus of semiconductor light sources with the solution of using traditional non-semiconductor light source (for example Halogen lamp LED or mercury discharge lamp).

All these advantages are all more user-friendly.

Replaceability or convertibility particularly can comprise, light emitting module can be designed to or make independent unit, and can be used as a unit and be combined with the remainder of illuminator.

Preferably, at least one semiconductor light sources comprises at least one light emitting diode.When having a plurality of light emitting diode, they can send the light of color of the same race or different colours.Color can be monochromatic (such as red, green, blue etc.) or polychrome (for example white).The light that is penetrated by at least one light emitting diode also can be infrared ray (IR-LED) or ultraviolet (UV-LED).The light emitting diode of a plurality of ejaculation different colours can produce mixed light.At least one light emitting diode can contain at least a Wavelength-converting luminescent material (conversion-LED).Replacedly, can use luminescent material (for example sending redness, green or blue luminescent material).At least one light emitting diode can exist with at least one independent form that is wrapped light emitting diode or with the form of at least one LED-chip.A plurality of LED-chips can be installed on the common substrate (" Submount ").Can be equipped with the optics that is used for the guiding light beam at least one self and/or common, for example at least one Fresnel-lens, collimator etc. at least one light emitting diode.Replace inorganic light-emitting diode or as to the replenishing of inorganic light-emitting diode, for example, based on InGaN or AlInGaP, usually also can use organic LED (OLED, for example polymer-OLED).Replacedly or as a supplement, at least one semiconductor light sources can comprise for example at least one diode laser, especially can be directly or use the light wave of this diode laser emission by means of suitable phosphorus substance by the wavelength conversion.Mixed light, for example white mixed light for example also can mix by the wideband green-phosphorus substance (480-650nm) with excitation laser producing with the light of the LED that sends blue light or ruddiness.

A kind of improvement project is that at least one semiconductor light sources comprises the semiconductor light sources of a plurality of ejaculations identical (name) color beam.

A kind of interchangeable design is, light emitting module has two groups of semiconductor light sources of sending different colours at least, and wherein each group has a semiconductor light sources at least.Preferably can independently (not rely at least another group) and control each group.For example, relative brightness or the light intensity of each group can be regulated, thereby the summation chromaticity coordinates (Summenfarbort) of corresponding mixed light can also be regulated.So, advantageously, in the situation of the aging grades such as light emitting diode, also can keep quality of colour (color rendition index is high), because can regulate again shades of colour, for example regulate in real time, it is transferred to predetermined summation chromaticity coordinates.On the contrary, be distributed at light emitting diode and realize in the solution on the whole luminous flat that such adjusting is only very difficult, and need high expense.

Replacedly, at least two groups semiconductor light sources of sending different colours light can be born different optical technology functions.For example, one of them group can be born lighting function (for example sending the light of white or whitening look) substantially, and another group (for example sending the semiconductor light sources of blue light) can be born round the clock effectively function substantially at least.

A kind of improvement project is that wherein at least one semiconductor light sources of one group is sent white light, and at least wherein at least one semiconductor light sources of another group is sent non-white or colourama.

Also have a kind of design to be, the common optics that is connected at least one semiconductor light sources after at least one has at least one optical concentration part.This optical concentration part particularly is designed for the light that semiconductor light sources is sent and mixes also selectively collimation.Before can from illuminator, penetrating at the light that semiconductor light sources is sent with its mixing, thereby avoid color shadow (Farbschatten).

At least one optical concentration part particularly can comprise collector lens, (for example hollow cylinder, particularly columniform) reflector and/or concentrator, for example the parabola concentrator (CPC of assembling; " combined type parabola concentrator Compound Parabolic Concentrator ") etc.

Also have a kind of design to be, the common optics that is connected at least one semiconductor light sources after at least one has the reflector that is connected at least one collector lens after at least one.By means of this reflector, the light, the particularly mixed light that send from optics are deflected at least another optics of illuminator especially, for example deflect on another reflector (" external reflector ").By means of the reflector of light emitting module, particularly light beam can be launched, thereby make light emitting module keep compact.

Also have another kind of design to be, light emitting module has cooling body.So, can effectively arrange the waste heat that (these) go out semiconductor light sources and come it is cooled off.A kind of improvement project is, cooling body is arranged near (these) semiconductor light sources.

Also have another kind of design to be, light emitting module has a bearing-surface that is used for handle.Can be very easy to and under the condition of not using additional components, light emitting module is fixed on the illuminator by means of handle.

In addition, a kind of design is, arranges substantially successively with this order to major general's cooling body, at least one semiconductor light sources, at least one optical concentration part, at least one reflector and bearing-surface.Therefore, in this design, on the end that is oppositely arranged with bearing-surface that cooling body can be arranged in light emitting module.So just can realize a kind of design of being convenient to especially to install and can efficiently radiates heat.So, especially very easily (point-blank) pushes illuminator with light emitting module.Aforementioned bearing-surface can be arranged in the shadow region or dark space of reflector especially, thereby can not cause because of supporting surface obvious light loss.

A kind of improvement project is, in the columnar profile of cooling body, at least one semiconductor light sources or its substrate (for example circuit board), at least one optical concentration part and at least one reflector can being packed at least.In addition, these elements can only be packed in this columnar profile with narrow and small gap especially.On the contrary, the lateral dimension of bearing-surface, for example diameter stretch out (other) element at least piecemeal greater than columnar profile or in the side.

Also have a kind of design to be, to major general's cooling body, at least one semiconductor light sources, selectively at least one collector lens, at least one reflector and bearing-surface are fixed on common keeper place.So, just can provide a kind of sturdy and durable and light emitting module that can fine adjustment in simple mode.

Purpose of the present invention can also realize that by illuminator, particularly inspecting lamp wherein illuminator has as previously described light emitting module, and wherein light emitting module can be used as a unit and changes.This illuminator has the advantage identical with light emitting module, and very user-friendly.

For example in repair, illuminator for example can be used for for example testing or the examination of materials for the optical material in crack.Illuminator especially can be used for medical field, for example as dental lamp or as operating lamp.

A kind of design is, with the reflector (reflector that is different from light emitting module, hereinafter also be called " external reflector ") after be connected to light emitting module, and wherein at least one reflector of light emitting module is provided for the optical registration external reflector that emitted by at least one semiconductor light sources at least in part.So, just can use compact light emitting module, the light beam of this light emitting module is expanded greatly by its reflector, thereby makes external reflector can form larger illuminating area.

A kind of design is, particularly utilizes a kind of light emitting module that has for the bearing-surface of handle, and light emitting module utilizes its cooling physical efficiency to be pressed on the main body of illuminator, that is to say by means of the handle on the bearing-surface that can be pressed in light emitting module and realizes.So, can need surcharge seldom just can realize fixing light emitting module in a simple manner and only.Especially, the cooling physical efficiency of light emitting module is pressed on the main body of illuminator, can realize thus effectively heat being delivered on the main body from cooling body, can improve the service life that cooling effect further prolongs (these) semiconductor light sources thereby do like this.Therefore, main body can be used as the cooling body of another or expansion.

A kind of favourable design for improving the heat transmission on (remainder) from the light emitting module to the illuminator is to arrange heat transfer material (TIM between light emitting module and illuminator; " heat-conducting interface material Thermal Interface Material ").Particularly heat transfer material can be arranged in the contact range place between the main body of the cooling body of light emitting module and illuminator, can impel so large-scale especially heat to transmit.

Heat transfer material is such as comprising heat-conducting glue, heat conducting film, heat conductive pad (" TIM-pad (TIM-Pad) " or analog) etc.

Also have another kind of design to be, handle can be fixed on the euphotic cover plate that covers external reflector.Handle can be run into well thus, and light emitting module can be prevented from directly entering.In addition, by fixed handle, light emitting module can also be fixed in the illuminator with compressing simultaneously.Handle can also be installed at least one reflector back with reference to semiconductor light sources like this, thereby optical efficiency is descended.

Purpose of the present invention can also realize by the method that is used for installing at the illuminator place light emitting module, wherein changes method and may further comprise the steps at least:

-push light emitting module by the opening of euphotic cover plate,

-handle is fixed on the euphotic cover plate, thus handle is pressed on the bearing-surface of light emitting module, and make in addition light emitting module utilize its cooling body to compress the main body of illuminator.

For this reason, preferably design light emitting module, namely arrange substantially successively with this order to major general's cooling body, at least one semiconductor light sources, at least one optical concentration part, at least one reflector and bearing-surface, wherein, handle can be fixed on the euphotic cover plate that covers external reflector.

Can realize very easy convertibility by this method, and not need light emitting module is carried out costly adjusting or correction.

Description of drawings

In the following drawings, by embodiment the present invention is schematically further described.In addition, for illustrate clear for the purpose of, make to be denoted by like references identical or to act on identical element.

Fig. 1 illustrates the side cross-sectional, view according to the light emitting module of the first embodiment, and

Fig. 2 illustrates the side cross-sectional, view according to the illuminator of the first embodiment that has according to the light emitting module of the first embodiment.

The specific embodiment

Fig. 1 illustrates upright light emitting module 1, and this light emitting module has a plurality of employing light emitting diode 2a, the semiconductor light sources of 2b form.Light emitting module for example can be used for inspecting lamp.Light emitting diode 2a herein, 2b are luminous to second segment space respectively, and this latter half space centers on the longitudinal axis L of light emitting module 1 to the center.

Light emitting diode 2a, 2b comprise the light emitting diode 2a that sends white light and send the light emitting diode 2b of colourama.The light emitting diode 2a that sends white light can be controlled Current Control for example, and can independently the light emitting diode 2b that sends colourama being controlled as a group, for example Current Control as a group.For this reason, for example can be with light emitting diode 2a, 2b is connected to common driver (not shown) and for example electricity series connection in a group.By means of driver, can regulate brightness or light intensity between each group and group and the group, for example be used for regulating light emitting diode 2a, the summation chromaticity coordinates of the mixed light of 2b.Herein, light emitting diode 2a, 2b arranges in the rotational symmetric annular design of longitudinal axis L or array.Light emitting diode 2a, 2b are arranged on the common circuit board 34.

Be connected to light emitting diode 2a behind common optics 3 or the optics (" light-gathering optics parts "), 2b, light emitting diode 2a, the light that 2b penetrates is all received by this optics basically, and then mix and collimation, then be parallel to longitudinal axis L and penetrate.Optics 3 herein is designed to solid cylinder.Towards light emitting diode 2a, the end light beam of 2b is injected, and deviates from light emitting diode 2a at it again at it, and the end of 2b is penetrated again.On the outer peripheral face of side, the light that extends therein is reflected, and for example realizes by inner full-reflection and/or by means of the reflecting layer.Replacedly, optics 3 can be designed to for example concentrator, for example the concentrator of CPC-or CEC-type.Optics 3 herein is along the longitudinal axis L alignment of light emitting module 1 and to the center.

Be connected on the reflector 4 of optics 3 after mixed light along longitudinal axis L collimation that send from optics 3, present shines, the reflecting surface 4a of this reflector is towards optics 3.Laterally deflection of the light that sends from optics 3 preferably enters the first half space basically.For this reason, the surperficial 4a of reflector 4 can be spherical crown shape and alignment optical parts 3.

Light emitting diode 2a, 2b and reflector 4 are fixed on keeper 5 places, and this keeper has the pillar 5a that is parallel to longitudinal axis L extension, and wherein these pillars interconnect by means of the second base plate 8 by means of the first base plate 7 and in the keeper bottom on the keeper top.Light emitting diode 2a, 2b is fixed on the first base plate 7 places by circuit board 34, and reflector 4 is then maintained by pillar 5a.Optics 3 can for example directly be fixed on keeper 5 places, perhaps can for example be fixed on circuit board 34 places.The second base plate 8 namely deviates from reflector 4 in its outside, is provided for bearing-surface 9 of handle, as illustrated in fig. 2.

Deviate from light emitting diode 2a at the first base plate 7, the side of 2b flatly is equipped with cooling body 10, thereby make by light emitting diode 2a, the waste heat that 2b produces can be transferred on the cooling body 10 by circuit board 34 and the first base plate 7, and heat is sent in the surrounding air by convection current by cooling body at least in part.Cooling body 10 is unrestricted aspect its type, can comprise such as the volume cooling body, have the cooling body of heat pipe (" Heat Pipe ") etc.

Part heat also can be continued to transmit by cooling body 10, as illustrated in fig. 2.For this reason, can make the lateral surface compressing that deviates from keeper 5 or be squeezed on another cooling body, namely preferably by a kind of heat transfer material (TIM), this heat transfer material for example illustrates with the form of TIM-pad 11 herein.Heat transfer material replacedly can be not only thick but also soft heat conducting film for example.The second base plate 8 is by other element 2a, 2b, and 3,4,5a, 7,10 stretch out in the side, and can be therefore as the stopper section.

Light emitting module 1 can be made a unit and can be combined with remaining illuminator, particularly can carry out integrated in removable mode.Light emitting module 1 is pushed into especially easily because of its elongate in shape.

Fig. 2 illustrate with replaceable mode integrated therein the side cutaway view of illuminator 12 of light emitting module 1.Illuminator 12 herein for example is designed to medical examining lamp.

Illuminator 12 has external shell body wall or the main body 13 of bowl-type, and the reflector (" external reflector ") 14 that is similarly bowl-type is placed in wherein.The basic configuration of external reflector 14 for example can be parabola shaped or free shape, and can (but not essential) be designed to about the longitudinal axis L of light emitting module 1 symmetrical.Replacedly, also main body 13 and external reflector 14 can be designed to one, realize by for example the medial surface of main body ' 13 being done designed in mirror image.The reflecting surface of external reflector 15 generally can be more much larger than the reflecting surface of the reflector 4 of light emitting module 1, particularly at least large ten times.

Sheet cover plate 16 is fixed on front free edge 15 places of main body ' 13, and its cover plate covers external reflector 14 and is basically perpendicular to the longitudinal axis L of light emitting module 1.Cover plate 16 has central void 17, by this space from the outside (herein: the bottom) insert or push light emitting module 1, that is to say, until be used as the second base plate 8 of stopper section.Light emitting module, above be furnished with the top of cooling body 10, light emitting module 1 or cooling body 10 upper opening 18 by external reflector 14 stretches out and is pressed on the main body 13 by soft TIM-pad 11.TIM-pad 11 especially can firmly be connected with main body 13, for example is bonded at above it.

To the extruding of light emitting module 1 and fixingly realize that by handle 19 this handle is fixed on the outside 20 of cover plate 16, fixing by bolt 21 here.Along with handle being fixed on the cover plate 16, handle 19 is pressed in being used as on the outside of bearing-surface 9 of the second base plate 8, thereby and makes light emitting module 1 compress main body 13.Except fixing light emitting module 1, therefore can also between cooling body 10 and main body 13, realize good heat transmission.Therefore, main body 13 is as another large-area cooling body, and this can improve light emitting diode 2a, the cooling of 2b.

In illuminator 12 runnings, light emitting diode 2a, 2b are basically fully by optics 3 utilizing emitted lights, and so collimating reflector 4.By means of reflector 4, optical registration external reflector 14, this external reflector penetrates light again by cover plate 16 as angle pencil of ray.Handle 19 is arranged in the shadow of reflector 4 substantially, in order to only slightly reduce optical efficiency.Cover plate generally can be diffusion or transparent printing opacity.Reflector 4 and/or external reflector 14 generally can be diffusions or transparent reflective.

Can it be removed and reload conversely by after unclamping (unloading bolt) handle 19, pulling out simply light emitting module 1.Therefore, make it possible to change especially easily light emitting module 1.In addition, do not need again light emitting module 1 to be calibrated or similar operations.

Certainly, the present invention is not limited to the embodiment that illustrates.

So inspecting lamp generally is not limited to medical, but it also can be reading lamp for example.

The reference number table

1 light emitting module

The 2a white light-emitting diode

The 2b color light-emitting diode

3 opticses

4 reflectors

The 4a reflector surface

5 keepers

The pillar of 5a keeper

7 first base plates

8 second base plates

9 bearing-surfaces

10 cooling bodies

11 TIM-pads

12 illuminators

13 main bodys

14 external reflectors

15 main bodys ' free edge

16 cover plates

The central void of 17 cover plates

The upper opening of 18 external reflectors

19 handles

The outside of 20 cover plates

21 bolts

The E light-emitting face

The L longitudinal axis

Claims (13)

1. light emitting module (1) that is used for illuminator (12), particularly inspecting lamp, has at least one semiconductor light sources (2a, 2b), particularly be connected to described at least one semiconductor light sources (2a after light emitting diode or laser diode and at least one, common optics (3) 2b), wherein said light emitting module (1) can be integrated in the illuminator (12) in the mode that can change.
2. light emitting module according to claim 1 (1), wherein said light emitting module (1) has the semiconductor light sources (2a, 2b) that at least two groups are sent different colours, and wherein each group has at least one semiconductor light sources (2a, 2b).
3. according to each described light emitting module (1) in the aforementioned claim, the wherein said common optics (3) that is connected to described at least one semiconductor light sources (2a, 2b) after at least one has an optical concentration part at least.
4. light emitting module according to claim 3 (1), the wherein said common optics (3) that is connected to described at least one semiconductor light sources (2a, 2b) after at least one has the reflector (4) that is connected to described at least one optical concentration part after at least.
5. according to each described light emitting module (1) in the aforementioned claim, wherein said light emitting module (1) has cooling body (10).
6. according to each described light emitting module (1) in the aforementioned claim, wherein said light emitting module (1) has the bearing-surface (9) for handle (19).
7. according to claim 3 to the described light emitting module of 6 combination (1), wherein cooling body (10), described at least one semiconductor light sources (2a, 2b), described at least one optical concentration part (3), described at least one reflector (4) and described bearing-surface (9) are arranged substantially successively with this order at least.
8. according to the described light emitting module of combination (1) of claim 3 at least and 5 to 6, wherein, being fixed on common keeper (5) to the described cooling body of major general (10), described at least one semiconductor light sources (2a, 2b), described at least one reflector (4) and described bearing-surface (9) locates.
9. an illuminator (12), particularly inspecting lamp, wherein said illuminator (12) has according to each described light emitting module (1) in the aforementioned claim, and wherein said light emitting module (1) can be changed as the unit.
10. illuminator according to claim 9 (12), wherein, be connected to described light emitting module (1) behind the external reflector (14), and wherein, at least one reflector (4) of described light emitting module (1) is provided for, make the light that is penetrated by at least one semiconductor light sources (2a, 2b) aim at least in part described external reflector (14).
11. illuminator according to claim 9 (12) has according to claim 6 each described light emitting module (1) in 8, wherein said light emitting module (1) utilizes the cooling body (10) of described light emitting module can be pressed on the main body (13) of described illuminator (12), that is to say by means of the handle (19) on the described bearing-surface (9) that can be pressed in described light emitting module (1) and realizes.
12. illuminator according to claim 11 (12), wherein said handle (19) can be fixed on the euphotic cover plate (16) that covers described external reflector (14).
13. be used for will be according to claim 7 or 8 each described light emitting modules (1) be installed to method on the illuminator according to claim 12 (12), wherein said method has following steps at least:
-push described light emitting module (1) by the opening of described euphotic cover plate (16),
-described handle (19) is fixed on the described euphotic cover plate (16), thus the described bearing-surface (9) that makes described handle (19) be pressed in described light emitting module (1) is gone up and is made in addition described light emitting module utilize the cooling body (10) of described light emitting module to compress the main body (13) of illuminator (12).
CN201180029514.4A 2010-09-24 2011-08-31 For the light emitting module of luminous body, luminous body and for the method that light emitting module is installed on luminous body CN102959311B (en)

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DE102010041319A DE102010041319A1 (en) 2010-09-24 2010-09-24 Light module for a luminaire, luminaire and method for mounting a luminous module to a luminaire
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PCT/EP2011/064957 WO2012038204A1 (en) 2010-09-24 2011-08-31 Lighting module for a light, light and method for mounting a lighting module on a light

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WO2012038204A1 (en) 2012-03-29

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