EP3167227A1 - Signalgeber für eine lichtsignalanlage und lichtsignalanlage - Google Patents
Signalgeber für eine lichtsignalanlage und lichtsignalanlageInfo
- Publication number
- EP3167227A1 EP3167227A1 EP15766795.7A EP15766795A EP3167227A1 EP 3167227 A1 EP3167227 A1 EP 3167227A1 EP 15766795 A EP15766795 A EP 15766795A EP 3167227 A1 EP3167227 A1 EP 3167227A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- photodetector
- signal
- light guide
- diode
- 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
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 239000013307 optical fiber Substances 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0457—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
-
- 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
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
-
- 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]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Definitions
- the invention relates to a signal transmitter for a traffic signal system.
- the invention further relates to a Lichtsig ⁇ nalstrom.
- Known signal generator of a traffic signal system usually comprise a light-emitting diode (in English: light emitting diode, LED).
- LED light emitting diode
- an amount of the light that the LEDs emit is not accurately and reliably measured. In particular, extraneous light entering from outside is not suppressed. Therefore, can not be accurately determined whether the amount of light that radiates the signal from ⁇ is sufficient to meet the minimum requirements, which sets the norm.
- the object underlying the invention can furthermore be seen in providing a corresponding traffic signal system.
- a signal transmitter for a light signal application comprising:
- the photodetector can measure the wegaughten part of the emitted signal light.
- a light system is outdoors.
- ist ⁇ which comprises the signal generator according to the invention.
- the invention therefore includes the idea of directing a portion of the emitted signal light away from the diode toward a photodetector by means of a light guide. Since ⁇ through it is thus advantageously allows a location of the measurement can be flexibly selected by means of the photodetector, so that for example a mounting location for the Pho ⁇ todetektor can be chosen at which only low hindringt to no extraneous light. In particular, it is provided so in some exemplary prior ⁇ a way that the major part of light that reaches the photodetector, is derived from the signal light of the light emitting diode.
- the light guide By means of the light guide, it is thus possible in an advantageous manner that a targeted part of the signal light of the diode can be passed to the photodetector. Insbesonde- it is re ⁇ it enables by means of the light guide in an advantageous manner that a part of the signal light can be focused through the optical fiber directed to the photodetector.
- the light-emitting diode can also be abbreviated as LED below.
- LED stands for the English terms light emitting diode, ie light emitting diode.
- multiple light emitting diodes Di ⁇ are provided. The statements made in connection with a light-emitting diode apply analogously to a plurality of light-emitting diodes and vice versa.
- the light system comprises meh ⁇ eral signal transmitter.
- the Lichtsignalanla ⁇ ge a red, yellow and green signal generator. Red, yellow, green here refers to the color of the signal light, wel ⁇ Ches is emitted by means of the corresponding diode.
- the signal generator is designed to emit a plurality of signal colors, for example red, yellow and green.
- the signal generator thus has in particular a plurality of fields.
- the photodetector is a photodiode or phototransistor.
- a photodiode may also be referred to as a monitor diode.
- a phototransistor has a significantly higher sensitivity than a photodiode, but this can be partially compensated by the larger area of the photodiode.
- a photodiode generally has better linearity and a lower temperature response. Typical temperature coefficients are for example:
- an optical element for an optical imaging of the signal light is provided in a beam path of the signal light, where ⁇ is optically coupled to the optical fiber with the optical element, so that the optical element transmitting signal Partially light can be partially coupled into the light guide as the part to be conductive.
- the technical advantage is in particular causes in an efficient manner, both an optical image of the signal light as well as simultaneously a coupling to the lei ⁇ Tenden part can be brought into the light guide.
- the optical element is for example a lens.
- the lens is formed, for example, as a slip-on lens. This means in particular that the lens is plugged or arranged on the carrier.
- the optical element according to another embodiment is a lens, in particular a slip-on lens.
- the optical element is attached to the carrier and / or to the diode, for example by means of screws ⁇ .
- the optical element is glued and / or attached, for example, to the carrier and / or to the diode.
- the cover there is provided according to one embodiment, that the cover (see discussion below), the optical element fixed or locked or buildin ⁇ Untitled. That is, the optical element is fixed or locked or secured by means of Cover B ⁇ ckung this before ⁇ preferably the support and / or on the diode.
- the optical element has one or more through holes for fastening means, for example screws, so that thereby advantageously a corresponding attachment of the optical element to the carrier and / or to the diode is effected.
- the light guide and the optical element are formed according to an embodiment as a common component.
- the light guide and the optical element are integrally formed.
- the common component is formed as an injection molded part. Due to the integral construction, in particular the technical advantage is achieved that a positive tion of the light guide relative to the optical element can be accurately determined during manufacture, so that subsequent assembly inaccuracies can be avoided.
- two optical elements are seen ⁇ provided, of which in each case a separate optical fiber going respectively optically coupled respectively with the two optical elements.
- an integral construction is preferably ⁇ be provided so that the two optical elements and the two light conductors are formed as a common component, for example as an injection molded part.
- the two light guides guide light signal, for example, to a common Photode ⁇ Tektor or in each case to two separate photodetectors. Even when more than two light conductor is preferably integral construction described above, for example as an injection molded part ⁇ provided.
- a second photodetector and a second optical waveguide for directing a further portion of the emitted signal light from the diode to the second photodetector is provided so that the second photodetector can measure the diverted further portion of the emitted signal light.
- a second optical waveguide is provided for conducting a further part of the emitted signal light from the diode to the photodetector, so that the photodetector can measure the deflected further part of the emitted signal light.
- the technical advantage is effected that an extraneous light component can be determined even more accurately. This is particularly because ⁇ rin established that an incident angle of extraneous light in the two optical fibers is different, and thereby the amount the extraneous light, which is fed or coupled into the respective optical fiber, is of different heights.
- the idea of the invention consists in this case particularly in the fact that different amounts of extraneous light in the two light conductors are coupled, so that the detectors measure two photo ⁇ respectively of a photodetector different signals. Thus, therefore, an extraneous light component can be calculated out in an advantageous manner. Overall, a more accurate determination egg nes foreign light component is there ⁇ caused by advantageously.
- the two light guides are preferably the same or in particular differently gebil ⁇ det. Even in the case of different light guides, it is possible to calculate out an extraneous light component, as described above, and according to one embodiment, to provide this.
- An optical fiber according to the present invention refers in particular a transparent member, for example, Fa ⁇ fibers, tubes or rods which light can be transported over a distance.
- the light conduction is effected here in particular by reflection at the boundary surfaces of the light guide either by total reflection due to a lower refractive index of the medium surrounding the light guide or by mirroring of the boundary surface.
- the optical waveguide has a light entry side or light input side, through which light, in this case preferably the signal light, enters the
- Fiber optic can be coupled.
- the optical waveguide has a light exit side or light outcoupling side through which light, in this case preferably the signal light, emerges from Fiber optic can be disconnected.
- the light exit side opposite the photodetector is preferably angeord ⁇ net.
- the idea of the invention that two light guides are provided, can also be applied more than two light guide übertra ⁇ gen. So more than two light guides can be provided to either the light to a single photodetector or to a said further light guides corresponding to-child can conduct their own photodetector.
- these multiple light guides conduct light to a single photodetector.
- these plurality of light conductors respectively conduct the signal light to an own Photode ⁇ Tektor.
- some of these multiple optical fibers conduct light to a single common photodetector, whereas others of these multiple optical fibers conduct signal light to a respective separate photodetector.
- the second optical waveguide is optically coupled to the optical element, so that the optical element transmissive Sig ⁇ nalander can be partially coupled into the second optical fiber as the lei ⁇ border further part.
- the optical element transmissive Sig ⁇ nalander can be partially depending ⁇ wells coupled into the further light guide as the too conductive another part .
- the light guide may be referred to as the first light guide so as to better distinguish it from the second light guide.
- the photodetector and / or the light guide are at least partially covered by extraneous light by means of a cover.
- This technical advantage is particularly causes a negative influence of external light can be further redu ⁇ ed. This in particular by the fact that the cover shields the extraneous light. Thus, so Weni ⁇ ger to no ambient light passes through to the photodetector. In particular, this results in less or no extraneous light to the light guide, so that less or no extraneous light can be coupled into the light guide.
- a cover for at least partially covering it against extraneous light is also provided in embodiments comprising a plurality of light guides and / or a plurality of photodetectors, as explained above.
- the cover may in particular also be referred to as a shield.
- the at least partial covering comprises in particular a complete covering.
- Light guide and Pho ⁇ todetektor are covered differently well in another embodiment, that is, that the photodetector is more covered with extraneous light than the light guide.
- the cover thus advantageously has a double function: covering function and fastening function.
- the optical element preferably the lens, in particular the plug-on lens, attached to the cover or fixed or locked.
- the optical element is particularly well protected against mechanical ⁇ African strains.
- an optical fiber according to the present invention comprises a light input and a Lichtauskop ⁇ page spread.
- the signal light is coupled or fed. From the Lichtauskoppelseite this injected signal light is decoupled again.
- the Lichteinkoppelseite is arranged in the beam path of the signal light, so that the signal light can be partially coupled into the Lichtlei ⁇ ter.
- the light outcoupling side is preferably arranged in the region of the photodetector, so that the coupled-out light can reach the photodetector via a short path.
- a deflection optics for example a mirror, is provided in the region of the photodetector, which can guide the coupled-out light toward the photodetector.
- the optical waveguide can have a mirrored boundary surface which is shaped or formed in the beam path of the injected light in such a way that it reflects the injected signal light in the direction of the light output coupling side.
- a carrier is provided, wherein the diode and the photodetector are arranged on a front side of Trä ⁇ gers.
- the photodetector is positioned together with the diode on the front side of the carrier. This is effected in an advantageous manner that no back-sided assembly is necessary, which is aufican ⁇ ended normally. In particular, this gives a larger selection of photodetectors. This is because, due to the front side mounting, a more flexible geometry is possible with respect to the directing of the signal light to the photodetector. The signal light can thus be directed, for example, from the side or from the top to the photodetector.
- the photodetector can thus arranged HA its photosensitive measuring surface or its pho ⁇ to simplify measuring sensor side or top ben.
- a variety of different photodetectors for use in a signal generator according to the invention is possible.
- a carrier is provided, wherein the diode is arranged on a front side of the Trä ⁇ gers and on one of the front side opposite ⁇ the back of the carrier, the photodetector. So that means that the photodetector is equipped on the back of the carrier. The photodetector is thus positioned on the back of the carrier.
- a backside assembly has the particular advantage that the photodetector can be better protected or hidden from extraneous light.
- the carrier has a breakthrough extending from the front to the rear, wherein the photodetector on the back of the breakthrough is arranged at least partially covering, wherein the light guide is partially inserted in the breakthrough.
- the carrier is a circuit board, which may also be referred to as a printed circuit board.
- a printed circuit board is usually referred to as a printed circuit board (PCB).
- the carrier is a DCB substrate.
- DCB stands for "direct copper bonding".
- Such a DCB carrier in particular comprises a ceramic with integrated copper leads and / or copper plated through holes, so-called vias.
- the cover forms in the decoupling region of the coupled-in signal light a space with a chamber wall which has an opening through which the optical waveguide is inserted.
- the assembly 101 comprises a carrier 103, which is beispielswei ⁇ se as a circuit board or as a circuit board formed.
- the carrier 103 has a front side 105.
- the carrier 103 has a rear side 107, which lies opposite the front side 105.
- a light-emitting diode 109 is disposed ⁇ .
- the light-emitting diode 109 is formed, for example, as an LED chip.
- the light-emitting diode 109 emits light corresponding to a signal light.
- the radiated signal light is sym ⁇ bolisch indicated by arrows with the reference numeral 110th
- the reference numeral 111 points to an LED lens which is arranged on the diode 109 and enables an optical imaging of the signal light 110 emitted by means of the diode 109.
- a photodetector 113 is disposed on the front side 105.
- the photodetector 113 is for example a Pho ⁇ todiode or a phototransistor.
- a slip-on lens 117 is provided, which is arranged in the beam path of the signal light 110.
- the caps this slip-117 117 for example feet ⁇ SSE or webs, by means of which the caps this 117 is mounted on the front 105 or plugged.
- a distance is provided between the Aufstecklinse 117 and the diode 109 with its LED lens 111 so that between the Aufstecklinse 117 and the diode 109 with its LED lens 111, a gap 115 is formed.
- the plug-on lens 117 is also an optical image of the signal light 110 allows, for example, a widening or scattering of the signal light 110th
- a light guide 118 is provided which is optically coupled to the caps this 117 and is formed with this integ ral ⁇ . This advantageously causes the signal light 110 at least partially into the optical waveguide 118 through a light coupling-in side 118a (shown in dashed lines). provides) can be coupled.
- the part of the signal light 110 is coupled into the light guide 118 and is passed to the photodetector 113 is symbolically indicated by Pfeiffer ⁇ len by the reference numeral 119th
- Pfeiffer ⁇ len By means of the light guide 118, it is thus made ⁇ light in an advantageous manner to direct a portion of the signal light 110 by the diode 109 to the photodetector 113th
- the coupled signal light 119 is coupled out by a light extraction side 118b. It is a deflection optics 121 is provided, which led the
- the deflecting optical system 121 is formed in FIG 1 as a verspie ⁇ applies boundary surface of the light guide 118, reflecting the coupled signal light 110 in the direction of the photodetector 113th
- the deflection optics 121 comprises, for example, in a not shown embodiment, a mirror which is formed separately from the light guide 118.
- the assembly 101 comprises a cover 123 which covers the photodetector 113. Furthermore, the cover 123 at least partially covers the light guide 118. This prevents advantageously restricts or at least ⁇ is that extraneous light and to couple into the light guide 118 thus can pass to the photodetector 113th In particular is prevented or reduced so that extraneous light ⁇ di rectly to pass to the photodetector 113th By virtue of the fact that less extraneous light can reach the photodetector 113, it is advantageously achieved that the signal light 110 can be measured even more accurately. In particular, this improves a signal-to-noise ratio.
- the cover 123 therefore covers, in particular, a non-active region of the attachment optics, here the attachment lens 117.
- the non-active area of the attachment optics is the area of the attachment optics through which no signal light 110 is radiated. This means that this non-active area does not light up when the diode emits signal light 110. Not active area may be referred to in particular as a passive area.
- the cover 123 covers the part of the light guide 118 which leads from the attachment optics, that is to say here the slip-on lens 117, to the photodetector 113.
- the cover 123 covers the photodetector 113 itself.
- the cover 113 may also be referred to as a shading or shielding.
- the cover 123 is in the rich Auskoppelbe- of the coupled signal light 119, a space 124 having a chamber wall 125 having an opening 129, is inserted through wel ⁇ surface of the light guide 118th As a result, the photo ⁇ detector 113, which is located in the decoupling, even better protected from extraneous light.
- the reference numeral 127 points to another on the front side 105 arranged cover for shading or shielding of light.
- the further cover 127 and the cover 123 partially surround the slip-on lens 117 with the light guide 118. This means that the slip-on lens 117 with the light guide 118 is located between the two covers 123, 127.
- extraneous light can reach the light guide 118 from below, based on the plane of the paper of the drawing.
- the assembly 101 of a signal generator shown in FIG. 1 thus has a carrier 103, wherein both the photodetector 113 and the diode 109 are positioned or arranged on the front side 105. That means that according to the exemplary embodiment of FIG 1, the carrier 103 no back Be ⁇ consultancyung, ie a mounting, having on its back 107th All elements are thus arranged on the front side 105. This facilitates production of the signal ge ⁇ bers 101. Specifically, thereby a wider range of photodetectors possible.
- FIG. 2 shows a side sectional view of a further construction ⁇ group 201 for a signal transmitter.
- the invented Signaling device according to the present invention comprises, for example, this module 201.
- the assembly 201 is constructed substantially analogously to the assembly 101 of FIG.
- the carrier 103 has an opening 203.
- the breakthrough 203 extends from the front 105 to the back side 107.
- the photodetector 113 is rear loaded. That is, the photodetector 113 is disposed on the back surface 107 of the carrier 103.
- the photodetector 113 covers the opening 203.
- the diode 109 is disposed on the front side 105.
- the photodetector 113 is attached to the back 107 by suitable means (adhesive layer and / or solder layer).
- suitable means as if the photodetector 113 would float freely over the back 107, this is not so.
- the photodetector 113 is attached to the back 107 by suitable means (adhesive layer and / or solder layer).
- the drawing of FIG 2 shows only a schematic representation.
- the optical waveguide 118 extends in such a way that a part of the optical waveguide 118 is inserted into the aperture 203.
- the light which is coupled out of the light guide 118 can pass directly to the photodetector 113.
- the light output side 118a extends preferential ⁇ as flush with the rear 107th
- FIG 3 shows a plan view of another module 301 for a signal transmitter according to the invention (that is to say that the signal transmitter according to the invention comprises, for example, this module 301), the carrier 103 not being shown for the sake of clarity.
- the apparatus 103 not being shown for the sake of clarity.
- the Aufstecklinse 117 in which case two such Aufstecklinsen 117 can be seen.
- this assembly 301 of FIG 3 has two light-emitting diodes 109. Although not directly visible, reference numeral 109 schematically indicates these two diodes.
- the assembly 301 comprises a second light ⁇ conductor 303, which is analogous to the light guide 118 of the second Diode passes a portion of the signal light 110 to the photodetector 113. That is to say, the assembly 301 according to FIG. 3 comprises two diodes 109, with one light guide 118, 303 each conducting or guiding an equal portion of the correspondingly emitted signal light 110 to the photodetector 113. Again, the Aufstecklinsen 117 and the two light guides 118, 303 as a common component, for example, as an injection molded part is formed.
- FIG. 4 shows a three-field signal transmitter 401.
- the signal transmitter includes three signal boxes 403, 405, 407. These signal fields 403, 405, 407 each comprising one of the before-mentioned ⁇ assemblies.
- the signal generator 401 is part of a traffic signal system according to one embodiment.
- Figures 5 and 6 respectively show various perspective views of a lens attachment At ⁇ 501 with integrated Lichtlei ⁇ tern 503, 505 for a signal transmitter. 6 shows that side of the lens attachment 501 which faces the LEDs.
- FIG. 5 shows that side of the lens attachment 501 which faces away from the LEDs.
- the respective pages are therefore arranged opposite one another.
- the lens attachment 501 comprises two lenses 507, 509, which have the function of the lenses 117 described above.
- the lens attachment has two attachment elements 511 that can be used to secure the lens attachment 501 to a carrier 103.
- the lens attachment 501 is thus placed or mounted on a carrier 103, as described above, comprising LEDs and a photodetector.
- 7 shows a signaling device insert 701 for a signal generator in a lateral sectional view.
- the signal generator according to the invention comprises, for example, such a signal generator insert 701.
- Such a signaling device sentence 701 is used in particular for a field of a signal generator.
- the signal transmitter 401 of FIG. 4 has in each case three such signal generator inserts 701 for its three fields.
- Reference numeral 703 shows an assembly 703 which is playing formed at ⁇ analogous to one of the above-described construction ⁇ groups and which includes in so far as a carrier 103, LEDs 109 and a photodetector 113, these elements of the overview not shown in detail half ,
- the lens ⁇ essay 501 is attached to the carrier 103.
- the signal encoder set 701 includes a housing 705, the assembly 703 is arranged in wel ⁇ chem. Furthermore, an opti ⁇ cal lens 707 and a front lens 709 are provided in the beam path of the signal light 110 to still reflect the signal light 110 wei ⁇ ter.
- the front lens 709 has, for example, a mask.
- an expected photocurrent is approximately calculated as it passes to the photodetector 113.
- the here assumed values are exemplary and not limita ⁇ kend.
- a small proportion of luminous flux of the LED signal light is output.
- the invention includes in particular collectively fol ⁇ constricting approach:
- the new approach is to make an accurate measurement of the light.
- the light from the LED is bundled to conduct it targeted the outlet area of the Sig ⁇ nalgebers an on ⁇ plug lens, which is placed on the LED.
- a smaller defined part of the clear inside, which radiates the LED is determined by the caps this ge ⁇ directed by a light guide to a monitor diode ist ⁇ passes.
- the light guide and the monitor diode are replaced by a
- the external light component can be determined more accurately by means of a second, independent light guide which leaves the attachment lens and leads either to the same monitor diode or to a second monitor diode (generally the second photodetector).
- a second monitor diode generally the second photodetector.
- the inventive step is, in particular, that a part of the light of the LED is directed and bundled over at least one light guide to the monitor diode.
- the advantage of this solution lies in the fact that the amount of light that emits the LED can be determined very accurately and that from the outside penetrating light does not cause wesentli ⁇ chen influences.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15766795T PL3167227T3 (pl) | 2014-09-29 | 2015-09-17 | Sygnalizator dla urządzenia sygnalizacji świetlnej oraz urządzenie sygnalizacji świetlnej |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014219687.6A DE102014219687A1 (de) | 2014-09-29 | 2014-09-29 | Signalgeber für eine Lichtsignalanlage und Lichtsignalanlage |
PCT/EP2015/071287 WO2016050523A1 (de) | 2014-09-29 | 2015-09-17 | Signalgeber für eine lichtsignalanlage und lichtsignalanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3167227A1 true EP3167227A1 (de) | 2017-05-17 |
EP3167227B1 EP3167227B1 (de) | 2018-06-27 |
Family
ID=54150401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15766795.7A Active EP3167227B1 (de) | 2014-09-29 | 2015-09-17 | Signalgeber für eine lichtsignalanlage und lichtsignalanlage |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3167227B1 (de) |
DE (1) | DE102014219687A1 (de) |
PL (1) | PL3167227T3 (de) |
WO (1) | WO2016050523A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017220615A1 (de) * | 2017-11-17 | 2019-05-23 | Siemens Mobility GmbH | Lichtquelle für eine Signaleinrichtung mit Sensorelement zur Überwachung und Signaleinrichtung mit einer solchen Lichtquelle |
EP3604076A1 (de) * | 2018-07-31 | 2020-02-05 | Siemens Mobility AG | Lichtsignal für die verkehrstechnik mit einem streulichtunempfindlichen rückkopplungskanal |
WO2023227295A1 (en) * | 2022-05-25 | 2023-11-30 | Ams-Osram Ag | Optoelectronic device and method for operating an optoelectronic device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947131A (en) * | 1974-11-04 | 1976-03-30 | Gerhard Karl | Windshield soil detector |
FR2809162B1 (fr) * | 2000-05-18 | 2002-07-26 | Sagem | Systeme d'eclairement a detection de defaillance |
DE102004035438B4 (de) * | 2004-07-22 | 2008-09-25 | Siemens Ag | System zur Verkehrsregelung |
WO2006099732A1 (en) * | 2005-03-23 | 2006-09-28 | Tir Systems Ltd. | Apparatus and method for collecting and detecting light emitted by a lighting apparatus |
WO2007099860A1 (ja) * | 2006-02-23 | 2007-09-07 | Matsushita Electric Works, Ltd. | Led照明器具 |
DE102010005088A1 (de) * | 2010-01-15 | 2011-07-21 | Siemens Aktiengesellschaft, 80333 | Lichtsignal |
DE102011076123A1 (de) * | 2011-05-19 | 2012-11-22 | Siemens Ag | Lichtsignaleinrichtung sowie Verfahren zum Ermitteln des Verschmutzungsgrades einer Abschlussscheibe eines Signalgebers |
DE102012209131A1 (de) * | 2012-05-31 | 2013-12-05 | Osram Gmbh | Leuchtvorrichtung mit halbleiterlichtquellen und gemeinsamem diffusor |
-
2014
- 2014-09-29 DE DE102014219687.6A patent/DE102014219687A1/de not_active Ceased
-
2015
- 2015-09-17 PL PL15766795T patent/PL3167227T3/pl unknown
- 2015-09-17 WO PCT/EP2015/071287 patent/WO2016050523A1/de active Application Filing
- 2015-09-17 EP EP15766795.7A patent/EP3167227B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
PL3167227T3 (pl) | 2018-11-30 |
WO2016050523A1 (de) | 2016-04-07 |
DE102014219687A1 (de) | 2016-03-31 |
EP3167227B1 (de) | 2018-06-27 |
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