CN102272520A - Housed led module - Google Patents

Housed led module Download PDF

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Publication number
CN102272520A
CN102272520A CN2009801541628A CN200980154162A CN102272520A CN 102272520 A CN102272520 A CN 102272520A CN 2009801541628 A CN2009801541628 A CN 2009801541628A CN 200980154162 A CN200980154162 A CN 200980154162A CN 102272520 A CN102272520 A CN 102272520A
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CN
China
Prior art keywords
housing
module
led
led module
band
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN2009801541628A
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Chinese (zh)
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CN102272520B (en
Inventor
J·多波斯
汉斯·霍绍普夫
W·赫里纳
J·克罗伊茨比希勒
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Tridonic Jennersdorf GmbH
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Tridonic Jennersdorf GmbH
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Publication of CN102272520A publication Critical patent/CN102272520A/en
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Classifications

    • 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
    • F21V15/00Protecting lighting devices from damage
    • F21V15/01Housings, e.g. material or assembling of housing parts
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00Lighting devices or systems using a string or strip of light sources
    • F21S4/10Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
    • 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
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V27/00Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • F21V27/02Cable inlets
    • 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
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/005Sealing arrangements therefor
    • 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
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/04Provision of filling media
    • 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
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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]

Abstract

The invention relates to a housed LED module comprising a module (6) having at least one LED (1) arranged thereupon, wherein said module (6) is arranged within a sealable housing (3,4), and wherein said housing (3,4) has lateral connection lead-throughs (20) as tension relief elements for at least two connection cables (10) used for electrical contacting of said module (6). Said housing has a partially transparent upper shell (3) having a substantially optically permeable region (12) having a function of changing the light emission characteristics of said LED (1), wherein said optically permeable region (12) comprises a dispersion effect, a reflection effect and/or a color conversion effect.

Description

The LED module of band housing
The present invention relates to a kind of LED module that is used for the band housing of light emitting diode (LED), this LED module allows to support very reliably and handle LED or module.
Known the LED module from prior art, it is made of with at least one LED that is installed on the module module basically.Each module of LED chain is preferably parallel with one another this moment.
But common LED module chain obtains less anti-mechanical load protection, and this seriously restricts its application possibility.
US 563 2551 illustrates a kind of lamp device, and it is packaged with some LED on the carrier that is positioned at the good housing of heat-sinking capability.These LED can be in direct contact the with heat-conducting medium.Lens are placed on the housing, and wherein it is fixed with non-removable mechanism such as adhesive.In addition, adopting additional flange to realize its fixing on the housing outer wall on the lens outer surface.The housing outer wall so constitutes on the highland this moment, that is, it has not only comprised LED with regard to height, and has comprised position lens thereon fully.
US 670 73 89 B2 illustrate the different LED warning light of a kind of luminescent properties.In one embodiment, this light fixture has modularization lamp bearing, and it has a plurality of perforates in both sides.Securing member penetrates perforate through fixing hole, thus fixed L ED fixed surface.Optical facilities such as reflective mirror are placed on the modularization lamp bearing, but here, the part of its covering bearing.
US 629 48 00 B1 relate to another kind of LED arrangement, and wherein, wavelength conversion mechanism is positioned in the spherical salient point of dispersion or only is placed in the substrate material.
Therefore, the purpose of this invention is to provide a kind of LED module with housing, it has realized effective protection to LED and module at ambient influnence.Be meant the blocks moisture, dustproof and prevent mechanical load of LED module here, on the one hand at the protection of ambient influnence.
In addition, should obtain the maximum luminous efficiency of the LED of LED module.
Purpose of the present invention realizes by the embodiment according to independent claims.
Within the scope of the present invention, the LED module is meant supporting mass or circuit board, the required control circuit that it comprises at least one led chip thereon and is used at least one led chip.
In first aspect, the present invention relates to a kind of LED module with housing, it has module and at least one and is located at LED on the module, wherein this module is arranged in the closeable housing, this housing has the side direction connection guide that is used at least two stube cables and unloads part as pulling force, and described stube cable is used to electrically contact this module.
Within the scope of the present invention, LED is meant led chip.It can be arranged on the module towards the mode of last (Face-Up) or face down (Face-Down).In addition, the dummy stack that surrounds led chip can be set on module.Corresponding therewith, led chip can be sealed by dummy stack.Dummy stack preferably is made of the fluidised form plastics and is applied on the module by distribution method.Replace dummy stack or in addition, the mechanical protection structure of LED can also be set.It can directly be placed on the LED module.For example, can be provided with the dummy stack that so-called spherical salient point promptly applies by distribution, it surrounds LED.
Dummy stack can contain the colour switching particle.The light wavelength that LED sent of LED module is preferably between 420-490nm.By surrounding the contained colour switching particle of dummy stack of LED, light to small part is transformed to the bigger light of wavelength.The present invention is not limited to the LED with specific wavelength.Within the scope of the present invention, any monochromatic LED all can be placed on the LED module.For example also the LED that sends ruddiness can be placed on the LED module, it is sealed with the dummy stack that contains the colour switching particle.In addition, the LED with the dummy stack parcel that contains the different colours transform particle can be placed on the LED module.
Dummy stack preferably is segment shape or hemispherical is placed on the led chip.
But, also colour switching mechanism can be arranged in the module casing separately.Corresponding therewith, can spatially be provided with the dummy stack of colour switching mechanism dividually with led chip.
The control circuit of led chip preferably is placed on the same surface of module with led chip.The module control circuit preferably includes transistor circuit or other switching regulaor at this moment and is used for the interface of communication means.
This LED module casing preferably is made of two parts and comprises upper casing and lower casing.They preferably connect by kayser and link to each other.But this housing also can be that one constitutes.For this reason, hinge for example can be set and connect upper casing and lower casing.Upper casing and lower casing can optionally interconnect.
Upper casing and lower casing can selectivity interconnect.This means that upper casing can be installed on the LED module of band housing removably.
Also can expect, so constitute detent mechanism and lower casing, that is, the module that is placed in the lower casing is roughly concordant with the height of following shell wall with regard to height.In other words, upper casing can exceed lower casing with regard to height.
The housing of this LED module is preferred so to be constituted, that is, this housing closely surrounds the LED of at least one LED module on it.
This housing preferably has the breach of external tapered expansion, and LED exposes towards the housing outside in this breach.Preferably, LED is arranged on the center of the breach of tapered expansion.
See through the breach in the housing, LED is preferably the dummy stack of segment shape or hemispheric parcel LED in other words and gives prominence to from module casing.Thus one, obtained the maximum luminous efficiency of at least one LED of module.
In a preferred implementation, the surface of one of them housing section constitutes in reflectible mode in this tapered indentations zone.Thus one, the light by the surface outgoing of LED dummy stack is reflected in the tapered indentations of this housing.The surface of this housing for example can be formed by the white reflection plastics.
The angle of tapered indentations is preferably 100 ° to 150 °.By in the LED module casing, forming breach, obtained the further maximization of LED luminous efficiency according to the present invention.
Side direction by this housing connects guide, and the stube cable of module can be drawn to the outside from enclosure interior reliably.At this moment, stube cable allows the LED module is connected to power supply.In addition, can connect a plurality of LED modules by stube cable.
Cable guide mechanism is preferably a plurality of cavitys, and the size of described a plurality of cavitys is so set, and promptly has interference fit between each cable and housing section.Corresponding therewith, stube cable firmly is clipped in the cable guide mechanism that establishes for it.By this arrangement, realized being welded on the pulling force unloading of the lead on the module.Therefore the pulling force that acts on the cable of drawing from housing is delivered to this housing, and is not directly passed to module.So, the mechanical load tolerance of LED module especially the tensile load tolerance be improved.In addition, housing of the present invention especially protects the dummy stack that surrounds LED to avoid the influence of mechanical load such as lateral shear.
The kayser that is arranged on the housing connects the preferred cavity that is used for stube cable that surrounds, and described kayser connects the confining force of having realized providing maximum in the stube cable guidance field.
According to another aspect, the present invention relates to a kind of LED module with housing, this LED module has module and at least one and is placed in LED on the module, wherein this module is arranged in the closeable housing, this housing has local transparent upper casing, this upper casing has the zone of basic printing opacity, and the zone of this basic printing opacity has the function of the light outgoing characteristic that changes LED.At this moment, this transmission region has scattering process, reflex and/or colour switching effect.
In a preferred implementation, this transmission region has scattering process, reflex and/or colour switching effect, and it changes the light outgoing characteristic of LED.
In a preferred implementation, whole upper casing can be transparent formation.But the preferred only zone above this at least one LED is transparent formation, and other zone is opaque by other material selection, by Surface Machining (hacking etc.) or japanning.Therefore, bonding pad and the circuit on the module that connects lead can't be seen from the top.
This transmission region preferably can be the plastic lens form, especially so constitutes, that is, the zone of this at least one LED protuberance exceeds the profile of upper casing.This transmission region preferably with the LED coaxial arrangement.These lens can have scattering function and/or diffraction function this moment.
The segment shape dummy stack that the led chip of module can be hardened surrounds, and it contains colour switching mechanism.In addition, replace dummy stack, so-called spherical salient point can be set, it for example is made of transparent plastic, as the mechanical protection of LED.
This housing preferably has upper casing and lower casing, and the side direction that they include the stube cable that is used for the LED module connects guide.At this moment, in two housing section preferred at least one in this connection guide zone, have externally open cavity, but the rigid plastics of fluidised form can be filled to this connection guide by this cavity.
Connect the guide zone by but the rigid plastics of fluidised form is injected, can fill and perhaps be present in housing section and stube cable air gap between the two.Corresponding therewith, be in the plastics permission housing section of hardening state and the form fit between the stube cable.This has realized the effective pull unloading of the braze joint on module.
Make that in this way the correct tension of stube cable is observed; The mechanical resistance properties of this module or stube cable is checked according to described correct tension.
Connect the guide this moment of two substantially parallel cavitys preferably, the stube cable of module extends in this cavity.This connection guide preferably has identical diameter on its whole length.This diameter can be slightly larger than the diameter of stube cable this moment.In addition, in a preferred implementation, be provided with a plurality of kicks in connecting guide, it has guaranteed the firm grip of stube cable in connecting guide.In addition, the outside outflow of plastics to be filled has also become difficulty.
In another embodiment, this connection guide can have the diameter greater than stube cable in the enclosure interior zone, is used for being provided between housing and stube cable the space of plastics to be added.Connection guide diameter in the shell rim zone can be slightly less than the diameter in housing.Corresponding therewith, in the shell rim zone, realized the interference fit between stube cable and the cable guide mechanism.Therefore the plastics of sending into can not drain to the outside.
In a preferred implementation, at least one in two housing section has the cavity in housing, and it communicates with each other a plurality of connection guides of a side respectively.Correspondingly, the connection guide of two stube cables that stretch out from housing in a side links to each other by being communicated with cavity, and this connections cavity has been realized the plastics admittance by connecting guide.Plastics preferably inject by injection orifice, and this injection orifice is arranged in one of two housing section.Obtained the maximization of the mechanical bearing capacity of stube cable in housing and module thus.
This housing preferably has detent mechanism, and this detent mechanism is so design, that is, stop module to move in enclosure interior.
In a preferred implementation, detent mechanism is injected on the lower casing and inserts in the breach or groove of module.Detent mechanism can be a profiled piece.Corresponding with it, can in lower casing, limit module and module is arranged on the correct orientation, upper casing portion is covered and is perhaps also sealed subsequently.
Detent mechanism preferably includes at least one from the outstanding core bar of lower casing, and this core bar extends in the cavity of module.In addition, preferred the guiding of module by the lower casing of this housing around the framework face.
The lower casing of this housing preferably have around groove, this groove engages around tenon with upper casing.At this moment, around groove or tenon be so to constitute, that is, prevented that the upper casing mistake is installed on the lower casing of housing.Connecting the housing section that is in the joint by tenon-groove causes the housing locking to enter to prevent dirt, dust and moisture.Preferably implement the dustproof blocks moisture protection that structure realizes standard I P67 by housing of the present invention.
In other words, this groove preferably shows as the chamber that separates with central cavity and connected chamber, and module is installed in the described central cavity.
In addition, in order to assemble two housing section, preferably will be used for the fluidised form plastics of edge sealing or epoxide materials and add or be assigned between two and half shells.Between stube cable, a cavity preferably is set in one of two and half shells, can fill the space in stube cable zone with epoxides by this cavity, so that also provide dustproof blocks moisture to protect in this zone.
This LED module that is protected is particularly useful for outdoor use, for example is used for billboard etc.
In order to realize installing on the outer surface housing, preferably at least one described housing section has retention mechanism.This retention mechanism for example can be mounted on the housing assembling in flakes.But, housing of the present invention also can be installed by bonding (for example using two-sided tape) on housing lower casing bottom surface.So, can for example luminous letter be installed on the outer surface by plain mode.
Accompanying drawing shows the preferred embodiment of LED module of the present invention and in following specification it is encyclopaedized.
Fig. 1 represents the decomposition view of first preferred implementation of LED module of the present invention.
Fig. 2 represents the perspective side elevation view according to the LED module of Fig. 1.
Fig. 3 represents the decomposition view of second preferred implementation of LED module of the present invention.
Fig. 4 represents the perspective side elevation view according to the LED module of Fig. 3.
Fig. 5 represents the vertical view according to the lower casing of the LED module of Fig. 3 and Fig. 4.
Fig. 1 illustrates the LED module of the present invention according to first preferred implementation.LED module of the present invention comprises module 6, and preferred three LED1 are installed on this module.These LED1 are preferably parallel connection.In addition, module 6 has transistor circuit or other switching regulaor and the interface that is used for communication means 15.Module 6 surfaces 16 that LED1 is housed on it preferably constitute in reflectible mode.For this reason, for example the pigment or the paint of white can be coated on the module 6.Also can on module 6, apply for example prefabricated membrane of reflecting layer.Module 6 is preferably the plane module.The electronic equipment of this module preferably only is placed on the surface of this module.This electronic equipment preferably is arranged on the module in a side identical with led chip.As shown in Figure 1, this module contacts stube cable 10 by the contact in side direction.
Led chip 1 can be installed on the module 6 according to the mode towards last (Face-Up) or face down (Face-Down).Led chip can be surrounded by the dummy stack of hemispherical or segment shape this moment, can contain the colour switching particle in this dummy stack.The colour switching layer preferably is applied on the led chip by the distribution operation under fluidised form this moment.
Replace dummy stack or except that dummy stack, mechanical protection structure example such as so-called spherical salient point can also be set on each led chip.Spherical salient point preferably is made of transparent plastic.
LED can comprise the monochromatic LED chip of any kind or with the LED of colour switching material and fluorescent material conversion.Especially, the LED that becomes blueness or redness can be placed on the LED module.
The colour switching particle of LED1 will be transformed to the bigger light of wavelength by light to the small part that led chip sends this moment.By the light that sends by led chip and colour switching particle, produce the light that is preferably white by mixed light additive (AdditiveFarbmischung).At input side and outlet side, module 6 has the stube cable 10 of conduction, and this stube cable preferably connects 10a by soldering and is connected with module 6 in side direction.Being preferably soft stube cable 10 allows single module 6 wirings are linked to be long LED chain.
Module 6 comprises detent mechanism, and this detent mechanism makes the correct location of module 6 in housing 3,4 become easy.Detent mechanism for example can be to lay mouth 7, and this is laid mouth and settles pin 8 interactions, and this arrangement is sold and be basically perpendicular to module 6 extensions in housing 3,4.Lay mouth 7 and can have special shape for example rectangle or triangle for this reason, so that can correctly accurately module 6 be positioned in the housing 3,4.
Housing 3,4 preferably is made of two halves, i.e. lower casing 4 and upper casing 3.Lower casing 4 preferably have around groove 18, under last lower casing 3,4 assembled states, upper casing 3 19 be that so-called tenon is entrenched in this groove around projection.Groove 18 and tenon 19 preferred so formations can realize being tightly connected between upper casing 3 and the lower casing 4 in housing 3,4 assembled states.In this way, housing 3,4 can successfully protect module 6 to avoid ambient influnence for example dust protection and moisture.
Two housing section 3,4 are preferably made by injection moulding process by plastics.Lower casing 4 preferably has fastening lug 11 this moment, its by the injection moulding process spray to lower casing 4.Fastening lug has centre bore 11a, and this centre bore allows by screw housing 3,4 to be fixed on the outer surface.
Lower casing 4 preferably has the side direction breach 20 that is used for stube cable 10.Breach 20 preferably 20, two stube cables 10 of two parallel semicircle breach extends in described breach in each side of LED module.In addition, the upper casing 3 of LED module has same breach 20, and it constitutes two in housing 3,4 each side and is preferably circular breach when upper casing and lower casing 3,4 assemblings.
The diameter of semicircle breach 20 can be in the part less than the cable size of stube cable 10.In this way, in local implementation the interference fit between stube cable 10 and the breach 20, be used for stube cable is clamped to breach 20.
Preferred spray upper gripper jaw 9 on upper casing 3, wherein per two jaws are around the breach 20 that is used for stube cable 10.In the housing assembled state (referring to Fig. 2), jaw 9 and the spray counterpart 9a secure fit to the lower casing 4.Realize that thus kayser connects, it has realized the simple assembling of housing section 3,4.Preferred formation kayser connects, so that it can't reopen after disposable assembling.
Upper casing 3 preferably has circular breach 21, and this breach is positioned as, and makes LED1 outstanding from breach 21 under the assembled state of LED module.Breach 21 preferred outside tapered expansions.The angle of tapered indentations is preferably 100 °-150 ° at this moment.
Surface 22 in upper casing 3 breach 21 zones preferably constitutes in reflectible mode.For this reason, for example can on upper casing 3, coat white paint.But, the whole surface of upper casing 3 also can reflectible mode constitute.Can improve the luminous efficiency of the LED1 that exposes from breach 21 thus.
Fig. 2 illustrates the LED module of the present invention that is in assembled state.Here, the jaw 9 of upper casing 3 and the protruding 9a secure fit that is injected on the lower casing 4.The spherical in other words salient point of segment shape dummy stack that can be applied on the led chip stretches out from the center of the Frusto-conical breach 21 of upper casing 3.Height preferred height this moment of segment shape dummy stack or spherical salient point less than frustum of a cone v notch v 21.Because the surface of upper casing 3 and module 6 surfaces preferably constitute in reflectible mode, so the optical efficiency of the light that LED1 sent is maximized.
Fig. 3 illustrates another preferred embodiment of LED module of the present invention.The Reference numeral of above-mentioned embodiment is at this moment corresponding to identical components.
As shown in Figure 3, lower casing 4 has two and settles pin 8, and they are laid mouthfuls 7 with two of module 6 and cooperate in LED module assembled state.Lay pin 8 at this moment at least in shape and/or dimensional directions difference, therefore can module 6 be positioned in the housing 3,4 with not obscuring for these two.
In addition, profiled piece 8a can be arranged in lower casing 4 and/or the upper casing 3.They allow the accurate in place and nothing of module 6 in housing 3,4 to move supporting.
This housing can have the additional closure member 9b that is placed on upper casing and the lower casing.This moment its locking connection preferably, it is injected on upper casing and the lower casing.Their (see figure 4)s in housing 3,4 assembled states help the firm anchoring of two and half shells.
The module 6 that also preferably relates to the plane in this embodiment.
The upper casing 3 of housing is transparent formation in this embodiment at least in the LED1 zone.Zone between the LED1 of upper casing 3 preferably constitutes this moment opaquely.But, also can constitute the whole upper casing 3 of housing pellucidly.Upper casing 3 has lens shaped member 12 in the zone above the LED1 of module 6.Lens shaped member 12 can be injected into upper casing 3.Lens shaped member 12 preferably is provided with the segment shape of LED1 or semicircle dummy stack or spherical salient point in other words coaxially with LED is coaxial.
Upper casing 3 in this embodiment and lower casing 4 also have semicircular breach 20 as the guide that is used for stube cable 10.
As Fig. 3 and shown in Figure 5, these breach 20 preferably have a plurality of 20a of portion that narrow, and describedly narrow portion reduces breach 20 in the part diameter.These ledges 20a allows in the assembled state of housing 3,4, realizes clamping between stube cable 10 and breach 20 connecting.Preferably in each semicircle breach 20, at least one is set and narrows the 20a of portion.But, also a plurality of portions 20 that narrow can be set in each semicircle breach 20.
Lower casing 4 additionally has connected chamber 24, and it is communicated with each two breach 20 of stube cable 10 respectively.Connected chamber 24 this moment is breach preferably, and it is formed in the lower casing 4 by injection moulding process.Connected chamber 24 preferably only is communicated with two stube cable breach 20 in LED module one side respectively.In addition, connected chamber 24 injects the outer ledge district that is formed on lower casing 4 fully.At connected chamber 24 with wherein be supported with between the central cavity 23 of module 6 and do not have connection.Corresponding therewith, connected chamber 24 is spaced with central cavity 23.
In addition, upper casing 3 has perforate 13, and this perforate is so to locate, that is, this perforate allows to enter the connected chamber 24 of lower casing 4 in housing 3,4 assembled states.Thus one, can under LED module assembled state, for example flowable plastics of injection material or epoxide materials be sent into connected chamber 24 through the perforate 13 of upper casing 3.Because connected chamber 24 is communicated with two cable breach 20, so the flowable materials that is admitted to is distributed in connected chamber 24 and the cable breach 20.Corresponding therewith, the flowable materials that stube cable 10 is injected into surrounds.Drying by institute's injection material is hardened in other words, form fit occurs and connect between the stube cable 10 of module 6 and half shell 3,4.
But also can expect, only between the stube cable 10 of module 6 and lower casing 4, form fit occur and connect.Therefore, upper casing 3 removably is mounted on the lower casing 4, and wherein it for example can come mechanical fixation ground to form by separable groove/tenon structure.Obtain following advantage thus, that is, upper casing is removable.In other words, by plain mode, can change the zone 12 of basic printing opacity, the zone of this basic printing opacity has the function of the light outgoing characteristic that changes LED1, therefore changes the illumination performance of LED module.
In addition, housing 3,4 can have additional perforate 13d, and each perforate directly is placed in cable breach 20 tops and can adds by this perforate sends into flowable encapsulating material.
Therefore surrounding environment is sealed relatively for cable breach 20.In addition, the pulling force that acts on leader cable 10 is passed to housing 3,4 better, and this has improved the mechanical force tolerance performance of LED module.
In addition, before the assembling of two and half shells 3,4, flowable plastics can be added around groove 18 in.This for example realizes by assigning process.As an alternative, also prefabricated encapsulating material fragment can be applied on the surface of lower casing 4, so send into around groove 18.Corresponding therewith, groove 18 constitutes another chamber that separates with connected chamber 24 and central cavity 23.
(see figure 4) when the assembling of two and half shells 3,4, plastics subsequently by upper casing 3 around tenon 19 be pressed into lower casing 4 around groove 18 in.The firm connection that kayser connection 9,9a and optionally additional connector 9b have realized housing 3,4.The drying of the material that is applied is hardened in other words and is allowed sealing two and half shells.Because all perforates 20,13,18 of upper casing and lower casing 3,4 are closed,, the housing of LED module avoids ambient influnence for example dust, dirt and moisture so being protected.By constituting housing 3,4, realized dustproof blocks moisture protection according to standard I P67 according to the present invention ground.
In addition, by the pulling force of unloading, realized that tolerance ground is connected into a LED chain with a plurality of according to LED module of the present invention to stube cable.
The central cavity 23 that lower casing 4 is positioned at wherein in other words preferably has roughly corresponding to module 6 degree of depth highly.Therefore, with regard to height, module 6 is roughly concordant with central cavity 23, and is preferably concordant fully.At this moment, at least one settles the height of pin 8 must to consider this certainly.This can reach in the following manner, i.e. bridging effect is not that the wall by lower casing 4 produces.In order to obtain to adequately protect, upper casing 3 is installed.In other words, lens and other optical component of being positioned at upper casing are outstanding from lower casing with regard to height, are not therefore covered by lower casing on side direction.

Claims (26)

1. LED module with housing, it has module (6) and is placed at least one LED (1) on the described module,
Described module (6) is arranged in the closeable housing (3,4), and
Described housing (3,4) has the side direction that is used at least two stube cables (10) and connects guide (20) as pulling force unloading part, and described stube cable (10) is used to electrically contact described module (6).
2. LED module with housing, it has module (6) and is placed at least one LED (1) on the described module,
Described module (6) is arranged in the closeable housing (3,4), and
Described housing has local transparent upper casing (3), and described upper casing (3) comprises the zone (12) of basic printing opacity, and the zone of described basic printing opacity (12) have the function of the light outgoing characteristic that changes described LED (1),
The zone of described printing opacity (12) has scattering process, reflex and/or colour switching effect.
3. the LED module of band housing according to claim 1, wherein, described housing (3,4) has the breach (21) of external tapered expansion, and described LED (1) exposes towards the housing outside in described breach.
4. according to the LED module of claim 1 or 3 described band housings, wherein, described LED (1) is placed in the center of the breach (21) of described tapered expansion.
5. according to the LED module of claim 3 or 4 described band housings, wherein, the surface (22) of described housing (3) constitutes in reflectible mode in the zone of described tapered breach (21) at least.
6. according to the LED module of the described band housing of one of claim 3 to 5, wherein, the angle of described tapered breach (21) is between 100 ° to 150 °.
7. the LED module of band housing according to claim 2, wherein, described housing (3,4) has the side direction that is used at least two stube cables (10) and connects guide (20) as pulling force unloading part, and described stube cable is used to electrically contact described module (6).
8. according to the LED module of claim 1 or 7 described band housings, wherein, described housing is made of two parts, and these two housing parts (3,4) can connect by kayser (9,9a) interconnect, described kayser connects so formation, that is, described kayser connects the lateral cavity (20) that encirclement is used for described stube cable.
9. according to the LED module of claim 1 or 7 described band housings, wherein, described housing (3,4) has perforate (13) in the zone of described connection guide (20), can fill flowable and/or hardenable dummy stack to described connection guide (20) by described perforate.
10. the LED module of band housing according to claim 9, wherein, described connection guide (20) is two substantially parallel cavitys, the described stube cable (10) of described module (6) stretches into described cavity.
11. according to the LED module of claim 9 or 10 described band housings, wherein, described housing (3,4) has connected chamber (24), described connected chamber communicates with each other these connection cavitys (20) of a side respectively.
12. the LED module of band housing according to claim 11, wherein, described housing (3,4) has central cavity (23), and described module (6) is bearing in the described central cavity, and described connected chamber (24) separates with described central cavity (23).
13. according to the LED module of claim 11 or 12 described band housings, wherein, described housing (3,4) comprises detent mechanism (8), described detent mechanism is design like this, prevents that promptly described module (6) is inner mobile at described housing (3,4).
14. the LED module of band housing according to claim 13, wherein, described detent mechanism (8) comprises at least one from the outstanding profiled piece of described housing (3,4), and described profiled piece inserts in the cavity (7) of described module (6).
15. the LED module of band housing according to claim 2, wherein, the zone of described printing opacity (12) are lenticular zone (12), preferred and described LED (1) coaxial arrangement in described lenticular zone.
16. the LED module of band housing according to claim 1 and 2, wherein, described housing (3,4) by can interconnective upper casing (3) and lower casing (4) form.
17. the LED module of band housing according to claim 16, wherein, described upper casing (3) and described lower casing (4) can optionally interconnect.
18. the LED module of band housing according to claim 17, wherein, described upper casing (3) can be releasably attached on the LED module of described band housing.
19. LED module according to claim 14 and 16 described band housings, wherein, described detent mechanism (8) and described lower casing (4) so constitute, promptly, the module (6) that is placed in the described lower casing is roughly concordant with the height of the wall of described lower casing (4) with regard to the height speech, and described upper casing exceeds described lower casing with regard to highly.
20. the LED module of band housing according to claim 16, wherein, the described lower casing (4) of described housing have around groove (18), described groove and described upper casing (3) around tenon (19) be engaged with each other.
21. the LED module of band housing according to claim 20 wherein, adds flowable plastic layer between described groove (18) and described tenon (19).
22. according to the LED module of claim 11 and 21 described band housings, wherein, described groove (18) is the chamber that separates with described connected chamber (24) and described central cavity (23).
23. according to the LED module of the described band housing of one of claim 1 to 22, wherein, described LED (1) is a monochromatic LED, its segment shape or hemispheric spherical salient point by preferably clear surrounds.
24. LED module according to the described band housing of one of claim 1 to 22, wherein, described LED (1) preferably is segment shape or dummy stack hemispheric, that be made of rigid plastics surrounds, adding in described dummy stack has the colour switching particle, and described colour switching particle will be transformed to the light of other wavelength by light to the small part that described LED sends.
25. according to the LED module of the described band housing of one of claim 1 to 24, wherein, described housing (3,4) has retention mechanism (11), described retention mechanism makes described housing to install on the outer surface.
26. housing that is used for according to the LED module of the described band housing of one of claim 1 to 25.
CN200980154162.8A 2009-01-09 2009-12-21 Housed LED module Expired - Fee Related CN102272520B (en)

Applications Claiming Priority (3)

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DE202009000236.5 2009-01-09
DE202009000236U DE202009000236U1 (en) 2009-01-09 2009-01-09 Housed LED module
PCT/EP2009/067681 WO2010079089A2 (en) 2009-01-09 2009-12-21 Housed led module

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WO2010079089A3 (en) 2010-10-28
CN102272520B (en) 2014-07-02
DE202009000236U1 (en) 2010-06-17
EP2376837A2 (en) 2011-10-19
EP2376837B1 (en) 2013-02-20

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