EP3531013A1 - Pièce moulée de bloc optique de véhicule, à réflecteur à ouverture anti-condensation - Google Patents
Pièce moulée de bloc optique de véhicule, à réflecteur à ouverture anti-condensation Download PDFInfo
- Publication number
- EP3531013A1 EP3531013A1 EP19153304.1A EP19153304A EP3531013A1 EP 3531013 A1 EP3531013 A1 EP 3531013A1 EP 19153304 A EP19153304 A EP 19153304A EP 3531013 A1 EP3531013 A1 EP 3531013A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ice
- reflector
- opj
- opening
- vehicle
- 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.)
- Withdrawn
Links
Images
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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/20—Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/30—Ventilation or drainage of lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/10—Position lights
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/20—Direction indicator lights
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/20—Direction indicator lights
- F21W2103/25—Direction indicator lights for rear-view mirrors
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/35—Brake lights
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/55—Daytime running lights [DRL]
Definitions
- the invention relates to vehicle optical blocks, and more precisely the molded parts that equip such optical blocks and which define at least one photon reflector.
- Some vehicle optical units comprise a housing that delimits an internal space, an ice solidly attached to the front portion of the housing, at least one source generating photons participating in a photometric function (lighting or signaling), and a molded part installed in the internal space of the housing and comprising at least one reflector reflecting the photons generated towards the ice.
- condensation or even ice may form on the inside of the ice of the optical unit and / or on another element of the latter (present in the internal space), which can degrade the photometric function and incidentally impair the visual impression of quality of the vehicle. This can be particularly the case when the vehicle rolls in the rain in strong heat.
- the heating means being supplied with electric current by the supply network electric vehicle, they consume the energy available in the vehicle and therefore can reduce the autonomy of the latter.
- this solution generates an additional cost and is relatively bulky, which prevents its implementation in some compact optical blocks.
- the heating means are often visible from the outside, which degrades the style of the optical unit and can affect the visual impression of quality of the vehicle.
- the purpose of the invention is in particular to improve the situation.
- a molded part on the one hand, intended to be housed in an internal space of a housing of a vehicle optical unit further comprising an ice solidarrise fixed to a front part of the housing and at least a source generating photons participating in a photometric function, and, on the other hand, comprising at least one reflector, having a lateral part having a general inclination of between 70 ° and 90 ° with respect to a central portion of the ice, and reflecting the photons generated towards the ice.
- This molded part is characterized in that the lateral part of the (each) reflector comprises an opening which allows an air inlet and a circulation of air in the internal space intended to limit a production of condensation in the latter.
- Each anti-condensation opening is now defined in a lateral part of a reflector, in an area with few photons to reflect, it is, on the one hand, almost invisible from the outside and therefore does not risk to degrade the style the optical block, and, secondly, located at a relatively small distance from the ice, which facilitates the arrival of air at the ice and therefore significantly increases the efficiency of the air circulation.
- the invention also proposes an optical unit intended to equip a vehicle and comprising a housing delimiting an internal space, an ice solidly attached to a front part of the housing, at least one source generating photons participating in a photometric function, and a molded part. of the type shown above and installed in the internal space of the housing.
- this optical unit may constitute a vehicle rear light.
- the invention also proposes a vehicle, possibly of automobile type, and comprising at least one optical block of the type of that presented above.
- the object of the invention is notably to propose a molded piece PM intended to equip an optical unit to equip a vehicle and having passive anti-condensation means.
- Optical block here means an equipment comprising a housing delimiting an internal space, an ice solidly attached to a front part of the housing, at least one source generating photons participating in at least one photometric function, and a molded piece PM according to the invention.
- the (each) source of photons may comprise at least one light emitting diode (or LED).
- the (each) source of photons may comprise at least one laser diode or a gas laser or a lamp (or bulb).
- the (each) source of photons may be installed on a printed circuit board, for example of PCB type ("Printed Circuit Board").
- the ice is fixedly secured (for example by gluing or welding) and sealed to the front portion of the housing. It may be made of transparent plastic or synthetic material or glass, and may optionally be colored at least in part, for example in red or orange.
- the optical unit is intended to equip a motor vehicle. But the invention is not limited to this type of vehicle. It concerns indeed any type of vehicle equipped with at least one optical unit comprising a housing and an ice solidarisés them and to ensure at least a photometric function (lighting or signaling).
- the optical block is a rear light.
- the invention is not limited to this type of optical block. It also concerns the front lights and the headlights (or headlights). For example, this rear light can equip part of a vehicle tailgate.
- FIG. 1 We have schematically illustrated on Figures 1 and 2 an embodiment of a molded piece PM according to the invention, intended to equip a vehicle optical unit (here a rear light by way of non-limiting example).
- This molded piece PM is more precisely intended to be housed in the internal space of the optical block housing.
- this molded piece PM comprises at least one reflector RPj, having a lateral part PLj which has a general inclination of between 70 ° and 90 ° with respect to a central part of the ice, and reflecting the photons generated by a (the ) source of photons towards the ice.
- the overall inclination is substantially equal to 90 °.
- the lateral portion PLj of (each) reflector RPj comprises a rear portion PR opposite to a front portion PV which is intended to be located on the ice side.
- general inclination is meant here the angle that a plane, containing at least part of the lateral part PLj, representative of the shape of the latter (PLj), with another plane containing at least part of the part central ice.
- each reflector RPj (and in particular of its lateral part PLj) is defined so as to participate in the (a) photometric function of the optical block.
- shape of the (of each) reflector RPj (and in particular of its lateral part PLj) is defined so as to participate in the (a) photometric function of the optical block.
- it can be adapted to the distribution of photons on at least part of the ice.
- the (each) reflector RPj may be intended to participate in a photometric function which is chosen from a position light function (or pilot or lantern), a brake light function, a change of direction indicator function (or flashing), and a daylight running function (or DRL (for "Daytime running Light (or Lamp)" - illuminated automatically when the vehicle is operated during the day) ).
- a photometric function which is chosen from a position light function (or pilot or lantern), a brake light function, a change of direction indicator function (or flashing), and a daylight running function (or DRL (for "Daytime running Light (or Lamp)" - illuminated automatically when the vehicle is operated during the day) ).
- DRL daylight running function
- the (each) reflector RPj may be intended to participate in a photometric signaling or lighting function.
- the lateral part PLj of (each) reflector RPj comprises an opening OPj which allows an air inlet and a circulation of air in the internal space intended to limit the production of condensation in the latter, and in particular on an internal surface ice.
- the molded piece PM comprises two reflectors RPj which each have a lateral portion PLj having an opening OPj.
- a passive anti-condensation means is defined (that is, ie not consuming energy) which is almost invisible from the outside and therefore does not risk to degrade the style of the optical block.
- each opening OPj being located at a relatively small distance from the ice, this facilitates the arrival of air at the ice and therefore significantly increases the efficiency of the air flow.
- each aperture OPj may optionally, but very advantageously allow the passage of photons generated by each photon source which feeds its reflector RPj.
- the printed circuit board (containing the photon sources) can be installed in the housing behind the molded piece PM, for example by having the photon sources placed in two opposite ends located opposite the two openings OPj. It is also possible to provide pipe parts respectively responsible for channeling the photons generated from the photon sources to the two openings OPj.
- each opening OPj is the least visible possible, it is preferably defined in the rear part PR of its lateral part PLj, which is opposed to its front part PV which is located on the side of the ice, as illustrated without limitation on the Figures 1 and 2 .
- each opening OPj may extend over the entire height of the lateral portion PLj in which it is defined, as shown in non-limiting manner on the Figures 1 and 2 . This makes it possible to increase the amount of air penetrating into the internal space (and more precisely into the (each) reflector RPj), and therefore to further increase the efficiency of the air circulation.
- the molded piece PM may optionally comprise at least one additional opening OA in an area that does not define a reflector RPj, as illustrated in non-limiting manner on the figure 1 .
- This increases the amount of air that can enter the internal space and further increases the efficiency of the air circulation. In addition this reduces the weight of the molded piece PM due to the local absence of material.
- the optical block may optionally comprise, between the molded piece PM and the mirror, a mask having as many holes as there are reflectors RPj, each hole being placed in front of the front portion PV of a reflector RPj and housing an opal screen participating in the photometric function in which it participates (RPj).
- a mask having as many holes as there are reflectors RPj, each hole being placed in front of the front portion PV of a reflector RPj and housing an opal screen participating in the photometric function in which it participates (RPj).
- an opal screen may have a red or orange color intended to impart a red or orange color to the light defined by the photons that have been reflected by the associated reflector RPj.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1851458A FR3078141B1 (fr) | 2018-02-21 | 2018-02-21 | Piece moulee de bloc optique de vehicule, a reflecteur a ouverture anti-condensation |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3531013A1 true EP3531013A1 (fr) | 2019-08-28 |
Family
ID=61913446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19153304.1A Withdrawn EP3531013A1 (fr) | 2018-02-21 | 2019-01-23 | Pièce moulée de bloc optique de véhicule, à réflecteur à ouverture anti-condensation |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3531013A1 (zh) |
CN (1) | CN110173658A (zh) |
FR (1) | FR3078141B1 (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0985874A2 (de) * | 1998-09-12 | 2000-03-15 | Volkswagen Aktiengesellschaft | Scheinwerfer oder Leuchte |
US6045248A (en) * | 1997-09-04 | 2000-04-04 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
US20020159273A1 (en) * | 2001-04-27 | 2002-10-31 | Visteon Global Technologies, Inc. | Method and apparatus for headlamps |
FR2964723A1 (fr) * | 2010-09-09 | 2012-03-16 | Valeo Vision | Module optique de dispositif d'eclairage et / ou de signalisation d'un vehicule automobile |
FR3036773A1 (fr) * | 2015-05-27 | 2016-12-02 | Peugeot Citroen Automobiles Sa | Bloc optique de vehicule a plaque de support de sources de lumiere partagee pour le placement d’une fonction photometrique dans une autre fonction photometrique |
US20170088034A1 (en) * | 2015-09-24 | 2017-03-30 | Stanley Electric Co., Ltd. | Vehicle lighting apparatus |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203489142U (zh) * | 2013-08-27 | 2014-03-19 | 欧司朗有限公司 | 照明装置及具有该照明装置的车前灯 |
FR3025282B1 (fr) * | 2014-08-26 | 2016-12-02 | Peugeot Citroen Automobiles Sa | Bloc optique de vehicule a masque a cellule photovoltaique alimentant des moyens de chauffage de la glace |
FR3034494B1 (fr) * | 2015-03-30 | 2018-04-27 | Valeo Vision | Module lumineux pour projecteur de vehicule automobile |
CN106564465A (zh) * | 2015-10-11 | 2017-04-19 | 彭国智 | 带摄像头电动车防盗器、反光镜、仪表、控制器及电动车 |
JP6770347B2 (ja) * | 2016-06-27 | 2020-10-14 | 株式会社小糸製作所 | 車両用前照灯 |
CN107314324B (zh) * | 2017-08-10 | 2024-03-26 | 广州市超亮电子科技有限公司 | 一种激光led双光源远光车灯 |
-
2018
- 2018-02-21 FR FR1851458A patent/FR3078141B1/fr active Active
-
2019
- 2019-01-23 EP EP19153304.1A patent/EP3531013A1/fr not_active Withdrawn
- 2019-02-21 CN CN201910128537.9A patent/CN110173658A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045248A (en) * | 1997-09-04 | 2000-04-04 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
EP0985874A2 (de) * | 1998-09-12 | 2000-03-15 | Volkswagen Aktiengesellschaft | Scheinwerfer oder Leuchte |
US20020159273A1 (en) * | 2001-04-27 | 2002-10-31 | Visteon Global Technologies, Inc. | Method and apparatus for headlamps |
FR2964723A1 (fr) * | 2010-09-09 | 2012-03-16 | Valeo Vision | Module optique de dispositif d'eclairage et / ou de signalisation d'un vehicule automobile |
FR3036773A1 (fr) * | 2015-05-27 | 2016-12-02 | Peugeot Citroen Automobiles Sa | Bloc optique de vehicule a plaque de support de sources de lumiere partagee pour le placement d’une fonction photometrique dans une autre fonction photometrique |
US20170088034A1 (en) * | 2015-09-24 | 2017-03-30 | Stanley Electric Co., Ltd. | Vehicle lighting apparatus |
Also Published As
Publication number | Publication date |
---|---|
FR3078141A1 (fr) | 2019-08-23 |
CN110173658A (zh) | 2019-08-27 |
FR3078141B1 (fr) | 2020-08-14 |
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