EP3587898A1 - Boîtier - Google Patents

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Publication number
EP3587898A1
EP3587898A1 EP18179782.0A EP18179782A EP3587898A1 EP 3587898 A1 EP3587898 A1 EP 3587898A1 EP 18179782 A EP18179782 A EP 18179782A EP 3587898 A1 EP3587898 A1 EP 3587898A1
Authority
EP
European Patent Office
Prior art keywords
housing
lateral surface
light
lens device
circuit board
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
EP18179782.0A
Other languages
German (de)
English (en)
Other versions
EP3587898B1 (fr
Inventor
Alexander Otto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Auer Signal GmbH
Original Assignee
Auer Signal GmbH
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
Application filed by Auer Signal GmbH filed Critical Auer Signal GmbH
Priority to EP18179782.0A priority Critical patent/EP3587898B1/fr
Publication of EP3587898A1 publication Critical patent/EP3587898A1/fr
Application granted granted Critical
Publication of EP3587898B1 publication Critical patent/EP3587898B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/004—Refractors for light sources using microoptical elements for redirecting or diffusing light using microlenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a housing for accommodating at least one printed circuit board element with at least one light-emitting element for emitting a signal light, a lens device being provided for scattering and / or collecting the signal light emitted by the at least one light-emitting element, comprising a lateral surface with a light exit surface and the lateral surface in one Axial direction essentially limiting top surface.
  • the invention relates to a light signal device comprising a housing and at least one circuit board element with at least one lighting element for emitting a signal light and a method for producing a housing for receiving at least one circuit board element with at least one lighting element for emitting a signal light, a lens device for scattering and / or Collection of the signal light emitted by the at least one light-emitting element is provided, comprising a lateral surface with a light exit surface and a cover surface which essentially delimits the lateral surface in an axial direction.
  • Warning lights with a cylindrical light-emitting surface and mainly radial light radiation, which is uniform all around, are known in the prior art.
  • the light radiation can also be only semi-cylindrical with a 180 ° radiation. Any other sector angle can also be broadcast.
  • LEDs as the light source can be arranged in the interior of the warning light such that their main emission direction is already radially oriented.
  • a large number of signal devices in particular light signal devices, are known.
  • light signal devices with an optionally colored housing, for example cylindrical, are known, in the interior of which a light signal can be emitted with light-emitting diodes (LEDs) attached to one or more printed circuit board elements.
  • LEDs light-emitting diodes
  • Such light signal devices in particular warning lights, usually have a circumferential light exit surface, also referred to as a spherical cap, with a cover surface as an end or for stabilization. It contains at least one or more regularly arranged circuit boards, which are arranged essentially parallel to the axis direction of the warning light and usually have several LEDs in a row, as well as a row of primary lenses, which are arranged directly in front of the LEDs and which evenly and evenly illuminate in the circumferential direction adjust the width of the radiation according to the application and the required field of vision. Often there is also a diffusion structure on the inner surface of the spherical cap, which ensures a good appearance of the lamp, especially by widening the otherwise punctiform light sources.
  • An advantageous embodiment of warning lights is from the EP 3 043 111 B1 disclosed.
  • the signal module contains a printed circuit board element with LEDs and the signal module can be detachably connected to a further signal module using a bayonet connection, the signal modules being arranged one above the other in the connected state and the connected signal modules forming a continuous conductor path over the printed circuit board elements.
  • the housing for example injection molded in one piece, consisting of a lateral surface and a cover surface, an additional optical element with lenses can be provided, with which the light beams emitted by an associated LED can be distributed or directed.
  • the production of this signal device or a signal module is complex, since an optical element with lenses must also be produced and fastened in the signal module.
  • a housing for accommodating at least one printed circuit board element as described at the beginning, the lens device and the top surface being formed in one piece. Furthermore, this is achieved by a light signal device as described at the beginning, the housing and the at least one circuit board element being designed accordingly, the at least one light element preferably being an LED, which is particularly preferably lensless, has a flat light emission and / or as a surface-mounted component (SMD) and by a method for producing a housing as described in the introduction, the lens device and the top surface being produced in one piece, the lens device preferably being directly demoldable or using a tool construction method, particularly preferably an internal slide, a two-stage ejector, an inclined ejector, a spring ejector or a collapsible core, is produced from the mold.
  • a tool construction method particularly preferably an internal slide, a two-stage ejector, an inclined ejector, a spring ejector or a collapsible core
  • the lens device is thus in one piece or in one piece with the housing, in particular the top surface, ie. H. it is formed integrally with it.
  • the lens device can represent any combination of lenses and, if appropriate, a corresponding holder for these.
  • any light-refractive, transparent body can be used as the lens, for example converging lenses, diverging lenses, or lenses which combine their functions, for. B. also depending on the direction.
  • a plurality of lens devices can also be provided, each of which is formed in one piece with the cover surface.
  • the lens device is preferably not in direct contact with the lateral surface.
  • the top surface and the outer surface are advantageously also formed in one piece.
  • the one-piece design saves the production and assembly of lenses, in particular primary lenses, the technical performance remains unchanged. If the housing, in particular the light exit surface, is colored, the wall thickness of both the housing / the light exit surface and the lens device must be taken into account when determining the required amount of color.
  • the light exit surface is made in particular from a transparent material.
  • the light exit surface can, for example, encompass all or part of the outer surface.
  • the light exit surface is part of the outer surface, but light can also be emitted through the cover surface or part of the same.
  • the remaining part of the housing, which does not form the light exit surface, can be transparent, partially transparent or opaque.
  • the top surface does not have to cover the entire surface formed by an upper edge of the outer surface.
  • it can also be formed only as a connecting line between two locations on the upper edge, the lens device being formed in one piece with the connecting line.
  • the radial direction (s) is / are orthogonal to the axial direction.
  • the axial direction usually corresponds to the direction of vertical extension of the lateral surface.
  • the cover surface can be essentially flat, in particular on the side facing away from the lens device. If the top surface is essentially flat, the axial direction will normally be normal to the level of the top surface or the radial direction (s) parallel to the level of the top surface.
  • the lens device is at a distance of more than 0.3 times, preferably 0.5 times, particularly preferably 0.7 times the radial extent of the housing from the light exit surface of the lateral surface.
  • a (in particular radial) distance of the lens device (in particular each point of the lens device) from the light exit surface (in particular each point of the light exit surface) is more than 0.3 times, preferably 0.5 times, particularly preferably 0, 7 times the radial extent of the housing.
  • one Radial extension of the lens device (in particular in the directions of the light exit surface) essentially 0.15 times to 0.6 times or less than 0.7 times, preferably less than 0.5 times, even more preferably less than 0.3 times the radial extension of the lateral surface.
  • lensless lighting elements e.g. B. LEDs
  • the circuit board element which have a flat light emission and / or are designed as a surface-mounted component (SMD).
  • SMD surface-mounted component
  • These have, for example, a hemispherical radiation essentially with a cosine distribution, the greatest radiation in the axial direction, that is to say normal to the printed circuit board element in the usual fastening of the lighting element, being achieved and decreasing with increasing change in the viewing angle corresponding to a cosine distribution, at an angle from 90 ° to normal it is zero.
  • the housing In the case of the construction with only one circuit board, the housing would remain dark, for example in the lateral region of the circuit board, if light were not directed there by primary optics or a lens device. Merging the lens device or its lenses with the diffusion lenses, which are often provided on the light exit surface, would not lead to success, since a spatial separation or distance between the lens and the housing is required for uniformization.
  • the outer surface has the shape of a cylinder, a cylinder sector, preferably a half cylinder, or a cylinder segment, the light exit surface of the outer surface preferably corresponding essentially to the region of the outer surface, the cross section of which is normal to the outer surface and / or normal to the axial Direction is round.
  • a cylinder sector (cylinder section) is understood to mean the intersection of a cylinder with a plane, the lateral surface being formed by the lateral surface of the cylinder on one side of the plane and the area delimited by the (in particular four) intersection lines of the cylinder with the plane, the lies on the plane.
  • the cutting plane is preferably parallel to the lateral surface and / or the axial direction of the cylinder to be cut.
  • a cylinder segment arises from the intersection of a cylinder with two planes, which are preferably parallel to the lateral surface of the cylinder and / or the axial direction and preferably each contain a central axis of the lateral surface.
  • the cylinder, the cylinder sector or the cylinder segment are preferably formed from a straight cylinder.
  • the lens device has a profile cross section that is essentially constant in a direction of vertical extent or in the axial direction of the lateral surface through a plane normal to the vertical direction of extent of the lateral surface or to the axial direction.
  • the lens device has a cross-section that can be immediately removed from the mold and, in particular in injection molding, the entire housing can be injection molded from one piece and then simply and immediately removed from the mold.
  • the lens device can have a profile cross section through a plane normal to the height extension direction of the lateral surface or to the axial direction, which has a constant shape in a vertical extension direction of the lateral surface or in the axial direction, but has a variable size, that is to say that the described profile cross section along the vertical extension direction is geometrically similar to the lateral surface or along the axial direction, in particular only stretched centrally.
  • the lens device can, for example, be pyramid-shaped, a wide variety of base areas being possible and preferably tapering in a direction away from the lateral surface, so that it can in turn be immediately removed from the mold.
  • the lens device can comprise one or more profile lens rods, which have a profile cross-section that is constant in a vertical direction of extension of the lateral surface or in the axial direction through a plane normal to the vertical direction of extension of the lateral surface or in the axial direction, which accordingly correspondingly only radiates the light Manipulate directions, ie scatter or focus, while axial manipulation (due to the constant profile cross section in this direction) is not possible or only possible to a very limited extent due to the construction.
  • the light beam can be homogenized in the radial (circumferential) direction over a certain azimuthal angular range.
  • the lens device has at least one lens dome, the at least one lens dome preferably being assigned to a lighting element, i. H. that after receiving the circuit board element, the lens dome is located in front of the lighting element (in the direction of the housing or part of the light exit surface).
  • Lens dome is understood to mean in particular a lens-shaped indentation or bulge of the lens device.
  • the lens tips can be designed in a complicated manner, whereby they can be removed from the mold using known tool construction methods, for example an internal slide, a two-stage, oblique or spring ejector, or a collapsible core, or they can be removed from the mold after injection molding.
  • the azimuthal angle is understood to mean an angle between two lines normal to the direction of extent of the lateral surface or to the axial direction.
  • the polar angle describes an angle between two lines that lie in the plane of the vertical direction or are parallel to the radial direction / normal to the axial direction, the angular range described being in particular rotationally symmetrical about a center of the lateral surface (or within the defined azimuthal angular range) is to be considered and the lines also preferably intersect an upper and a lower edge of the light exit surface.
  • the azimuthal and polar angles are understood to correspond to cylindrical coordinates, the z axis corresponding to the axial direction and the x and y axes (which correspond to a polar coordinate system) being normal to the axial direction or parallel to the radial direction.
  • the azimuthal angular range thus covers up to 360 °, while the polar one covers up to 180 °.
  • the number and position of the lighting elements on the circuit board element to be used can essentially be chosen freely, the lighting elements advantageously being arranged in a row on a line parallel to the direction of extent of the lateral surface or of the lens device / profile lens rod are.
  • the number and position of the lighting elements on the circuit board element to be attached is usually predetermined. Combinations of profile lens rods and lens domes are also possible.
  • the proposed housing can in particular be suitable for a plurality of such housings to be attached one above the other and, for example, to be connected to one another by means of a bayonet connection, the printed circuit board elements preferably forming a continuous connecting line.
  • the configuration of the housing with the exception of the lens device and the circuit board element to be accommodated, which is to be formed in one piece with the cover surface, can in particular correspond to that in EP 3 043 111 B1 Proposed take place, which is hereby incorporated by reference in its entirety in this application.
  • the lens device in each case has a groove for receiving a circuit board element and / or a row of lighting elements arranged on a line essentially parallel to the direction of vertical extension of the lateral surface.
  • the one-piece design of the entire lens device or all lenses with the housing, in particular the cover surface allows the mechanical connection of the lenses (each assigned to such a row) to one another and thus a considerable improvement in the use of several such rows of lighting elements arranged on a line internal stability, especially if such a row of lighting elements in axial grooves, d. H. those in a vertical direction of extension of the lateral surface.
  • the outer surface is designed in accordance with the outer surface of a cylinder, it is a preferred embodiment if the receptacle of exactly one circuit board element, which preferably has luminous elements on both sides, which are particularly preferably located on a line parallel to the vertical direction of the lateral surface, and the lens device has two profile lens rods, between which the circuit board element can be inserted.
  • the lens device is at a distance of more than 0.5 times, preferably 0.75 times, even more preferably 0.85 times, the radial extent of the housing from the light exit surface of the lateral surface .
  • a (in particular radial) distance of the lens device (in particular each point of the lens device) from the light exit surface (in particular each point of the light exit surface) is more than 0.5 times, preferably 0.75 times, even more preferably 0 , 85 times the radial extent of the housing.
  • a radial extension of the lens device is essentially 0.15 to 0.25 times the radial extension of the lateral surface.
  • the outer surface of the housing has the shape of the outer surface of a half-cylinder, the light exit surface corresponding to the round surface of the outer surface (and possibly the top surface), with a profile lens rod being provided as the lens device, with the flat surface between the A lateral surface and the profile lens rod is provided for receiving the circuit board element.
  • the printed circuit board element has at least one light-emitting element on the side facing the light exit surface in the recorded state, but preferably a number of light-emitting elements which are arranged on a line parallel to the direction of extent of the lateral surface, the profile lens rod being arranged to act as the lens of this series of Serve lighting elements.
  • the invention can thus also with a sectoral construction of the warning light to be formed, for example with half-sided radiation in the case of wall mounting.
  • lens domes in the lens device instead of the profile lens rods, which not only equalize the light in the circumferential direction over an azimuthal angular range of 2 times 180 ° or 180 ° by scattering, but also transversely to it , d. H. bundle in a polar angular range.
  • a higher peripheral brightness can be achieved at the expense of the axial brightness. This is a typical construction for warning light columns, for example.
  • a plurality of circuit board elements are provided, which are recorded essentially along an arc, preferably a circle, the center of which preferably coincides with a center of the lateral surface, the lighting elements of the circuit board elements preferably on lines parallel to the vertical direction of extent of the lateral surface and cutting the circular arc are arranged.
  • the printed circuit board elements are arranged in such a way that the center points of the printed circuit board elements lie on a circular arc, preferably spaced apart at regular intervals, or their central axes intersect in the vertical direction of extent of the lateral surface, so that the one lighting element of the printed circuit board elements lies on a circular arc, preferably regularly spaced apart or that the lines lie parallel to the direction of vertical extent of the lateral surface, on which a number of lighting elements are arranged, on a respective circuit board element on a circular arc, preferably at regular intervals.
  • the lens device preferably has lens tips, each of which influences the light of one light-emitting element or the light of several light-emitting elements of a circuit board element.
  • the lens device itself can have essentially the same shape as the outer surface, only with a smaller diameter, lens tips being arranged on their surface, each associated with a lighting element.
  • the lens device is at a distance of more than 0.2 times, preferably 0.4 times, particularly preferably 0, from the light exit surface of the lateral surface.
  • a (in particular radial) distance of the lens device (in particular each point of the lens device) from the light exit surface (in particular each point of the light exit surface) is more than 0.2 times, preferably 0.4 times, particularly preferably 0, 6 times the radial extent of the housing.
  • a radial extension of the lens device is substantially 0.4 times to 0.6 times the radial extension of the lateral surface.
  • the lens device focuses the signal light emitted by luminous elements lying on a line parallel to the direction of vertical extent of the lateral surface in the circumferential direction into a different azimuthal angle range, which is essentially different for each row, preferably exactly adjacent to the next one, and preferably equalized over this angular range, the lens device preferably bundles the signal light into a polar angular range.
  • Housings which are designed to accommodate the printed circuit board elements for several rows of lighting elements, which are arranged on a line essentially parallel to the direction of extent of the lateral surface, do not necessarily require the lens device to make the light uniform over the entire circumferential direction of the light exit surface, but rather Smaller sectors, ie azimuthal angular ranges, of the light distribution can also be desired, which in particular border one another seamlessly.
  • Smaller sectors, ie azimuthal angular ranges, of the light distribution can also be desired, which in particular border one another seamlessly.
  • Such an arrangement with a plurality of lighting elements arranged essentially on a circle (arc) or on a cylinder (detail) is advantageous for rotating lights.
  • the lens device should collect the light of each lighting element or each row of lighting elements arranged on a line parallel to the height direction of the lateral surface in an azimuthal angular range and preferably also have a light-collecting function transversely thereto, ie in a polar angular range.
  • the individual rows of lighting elements are activated sequentially, for example, in order to achieve a visual rotating effect of the warning light.
  • Lenses comparing to an angular range of 180 ° would bring together only a slight turning effect, the construction with only one printed circuit board element equipped on both sides with lighting elements would have virtually no turning effect.
  • the electrical control of the rows of lighting elements must be coordinated with the optical concept of the lens device and the housing.
  • the lens device equalizes the signal light in the circumferential direction over an azimuthal angular range which corresponds to the light exit surface of the lateral surface, i. H. bundles and / or scatters, and preferably bundles the signal light in a polar angular range. Bundling across the circumferential direction, i.e. H. in a polar angular range, is particularly required if the light emitted all around is to be emitted obliquely downwards, e.g. B. with high arrangement of the signal lighting device so that light is not emitted unused across everything.
  • the light exit surface of the lateral surface has a scattering structure.
  • the lens device at least a circuit board element which can be received by the housing at least partially encloses in the received state. Particularly good stability can thus be achieved.
  • the one-piece design of the lens device and cover surface represents a particularly simple construction option, in particular if the light elements are designed without lenses.
  • this represents a particularly inexpensive and simple production method.
  • Fig. 1a shows a preferred embodiment of the housing 1 according to the invention in an oblique view from below, Fig. 1b in a view from just below, Fig. 1c a view in section FF Fig. 1b and Fig. 1d a view in section GG Fig. 1b , wherein the top surface 5 is defined as above with respect to the housing 1.
  • the housing has an outer surface 3, which has the shape of the outer surface of a cylinder.
  • the outer surface 3 is limited at the top by the top surface 5.
  • the outer surface 3 has a scattering structure 6, which essentially forms the light exit surface 4, which in the present embodiment runs around the entire circumference of the outer surface 3.
  • the lens device 2 is formed in one piece with the top surface 5.
  • the lens device 2 is formed by two profile lens rods 7 which have a groove 8 for receiving a circuit board element 9 (not shown, cf. 1e to 1h ) form. Furthermore, the profile lens rods 7 each have a groove 8 for receiving a row of lighting elements of the printed circuit board element 9, which in the recorded state are arranged along a line parallel to the direction of vertical extent of the lateral surface 3 on both sides of the printed circuit board element 9.
  • the profile lens rods 7 each homogenize the light over an azimuthal angular range of 180 °, so that the light exit surface 4 is illuminated as uniformly as possible over the entire circumference. In order to distribute the light over the entire circumference of the light exit surface 4 To enable a spatial distance between the light exit surface 4 and the lens device 7 is necessary.
  • the lens device 2 is designed to be directly demoldable.
  • the housing (as in the embodiments of the following figures) has devices for bayonet connection with a further housing.
  • the height direction of the lateral surface 3 is in Fig. 1b so normal to the image plane, whereas in 1c and 1d is exactly vertical.
  • the azimuthal angle (range) is accordingly in the image plane of the Fig. 1b , while the polar angle (range) in the image plane of the 1c and 1d lies.
  • the 1e to 1h show the same embodiment from the corresponding views as that 1a to 1d , wherein the housing 1 additionally has the circuit board element 9.
  • Fig. 2a shows a further preferred embodiment of the housing 1 in an oblique view from below and Fig. 2b the same embodiment in a view from below, the outer surface 3 having the shape of the outer surface of a half cylinder.
  • the surface of the lateral surface which is round in cross section over part of the height of the lateral surface forms the light exit surface 4, which has a scattering structure 6.
  • the lens device 2 which is formed in one piece with the top surface 5, has a profile lens rod 7 which, together with the flat surface of the lateral surface 3, represents a groove 8 for receiving a printed circuit board element 9 (not shown), the printed circuit board element 9 being a row of lighting elements on the side facing the light exit surface 4 in the recorded state, which are arranged on a line parallel to the vertical direction of the lateral surface 3 and for which a groove 8 is also provided in the lens device 2.
  • the profile lens rod 7 homogenizes the light over an azimuthal angular range of 180 °, which corresponds to the light exit surface 4.
  • the scattering structure 6 scatters the light from respective points on the light exit surface 4 in each case in a region of approximately 180 ° away from the light exit surface 4 measured in the image plane of FIG Fig. 2b (ie the same plane as the azimuthal angle).
  • the profile lens rod 7 and thus the lens device 2 are in turn directly demoldable.
  • Fig. 3a shows an advantageous embodiment of the light signal device 11 with the housing 1 with accommodated circuit board elements 9 in an oblique view from below
  • Fig. 3b the associated lens device in detail obliquely from below
  • Fig. 3c the embodiment from below
  • Fig. 3d the embodiment in a view in section FF in Fig. 3c
  • the outer surface 3 of the housing 1 is cylindrical and has a light-emitting surface 4 with the diffusion structure 6 that encompasses the entire circumference and part of the height, the upper surface of the outer surface 3 being essentially delimited by the top surface 5.
  • the lens device 2 is also essentially cylindrical, the lens device 2 having six grooves 8, in each of which a circuit board element 9 is received.
  • Each circuit board element 9 has three lighting elements (not shown), each of which is arranged on a line parallel to the direction of extent of the lateral surface 3, the grooves 8 for receiving the circuit boards 9 each having further grooves 8 for receiving the lighting elements arranged on a line.
  • the lens device 2 has a lens dome 10.
  • the lens domes 10 can, for example, be shaped such that the light emitted by a lighting element (or a row of lighting elements arranged on a line) into adjoining azimuthal angular ranges of 60 ° (e.g. when used as a virtual rotating light) or overlapping angular ranges of 180 ° is bundled and equalized.
  • the lens tips 10 concentrate the emitted light in a polar angular range, which for example has an angular range of a few degrees, for example 15 degrees, above and a few degrees, for example 15 degrees, below the image plane Fig. 3c can be. If the light signal device comprising the housing is attached at a high location, the polar angular range can also be between the image plane or a few degrees, for example 5 degrees, below the image plane in Fig. 3c and a few degrees, for example 35 degrees, below.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP18179782.0A 2018-06-26 2018-06-26 Boîtier Active EP3587898B1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005044738A (ja) * 2003-07-25 2005-02-17 Masahiro Okumura 回転灯
WO2009125160A1 (fr) * 2008-04-10 2009-10-15 Abacus Holdings Ltd Système d'éclairage avec effet de bord
EP2878879A1 (fr) * 2013-10-02 2015-06-03 Patlite Corporation Lampe d'affichage de signal
EP3043111B1 (fr) 2015-01-12 2017-04-05 AUER Signal GmbH Dispositif de signalisation
EP3199866A1 (fr) * 2015-08-05 2017-08-02 Patlite Corporation Élément lentille et dispositif émetteur de lumière

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005044738A (ja) * 2003-07-25 2005-02-17 Masahiro Okumura 回転灯
WO2009125160A1 (fr) * 2008-04-10 2009-10-15 Abacus Holdings Ltd Système d'éclairage avec effet de bord
EP2878879A1 (fr) * 2013-10-02 2015-06-03 Patlite Corporation Lampe d'affichage de signal
EP3043111B1 (fr) 2015-01-12 2017-04-05 AUER Signal GmbH Dispositif de signalisation
EP3199866A1 (fr) * 2015-08-05 2017-08-02 Patlite Corporation Élément lentille et dispositif émetteur de lumière

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