WO2024041987A1 - Luminaire comprenant un moyen de protection d'entrée environnementale - Google Patents

Luminaire comprenant un moyen de protection d'entrée environnementale Download PDF

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Publication number
WO2024041987A1
WO2024041987A1 PCT/EP2023/072768 EP2023072768W WO2024041987A1 WO 2024041987 A1 WO2024041987 A1 WO 2024041987A1 EP 2023072768 W EP2023072768 W EP 2023072768W WO 2024041987 A1 WO2024041987 A1 WO 2024041987A1
Authority
WO
WIPO (PCT)
Prior art keywords
seal
wire
lighting fixture
channel
aperture
Prior art date
Application number
PCT/EP2023/072768
Other languages
English (en)
Inventor
Alexandre Plomteux
Sergio Fabian JURDANA
Original Assignee
Signify Holding B.V.
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 Signify Holding B.V. filed Critical Signify Holding B.V.
Publication of WO2024041987A1 publication Critical patent/WO2024041987A1/fr

Links

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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/008—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being outside the housing of the lighting device
    • 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
    • F21W2131/10—Outdoor lighting
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
    • H02G3/20—Ceiling roses or other lighting sets

Definitions

  • Light fixture including environmental ingress protection means
  • the invention relates to generally to lighting fixtures, and in particular, to an outdoor lighting fixture including environmental ingress protection using seals.
  • Sealing of lighting devices from environmental (e.g., water and dust) ingress is important for reliability and safety reasons.
  • environmental (e.g., water and dust) ingress is important for reliability and safety reasons.
  • electrified devices are exposed to the outdoor and the elements there can be a safety risk if water makes it way to exposed electrical junctions.
  • Preventing water from entering the device and exposing the internal electrical devices is achieved by different methods.
  • ingress protection must meet various safety standards such as the UL 1598 standard and ANSI C136.
  • IP65 or IP66 ratings When considering installing an outdoor luminaire that requires a strong waterproof ability such luminaires normally have IP65 or IP66 ratings.
  • International Electrotechnical Commission (TEC) publishes IP (Ingress Protection) codes, describing the amount of water and dust that a mechanical casing or electrical enclosure can withstand, among other protective capabilities.
  • IP66 Ingress Protection
  • An outdoor luminaire has electrical connections and electronic devices inside an IP66 or IP65 housing that cannot be exposed to water droplets.
  • a luminaire with IP66 waterproof level is able to withstand water with high-pressure during testing as well as in real life conditions.
  • the luminaire can be separated into subparts i.e., a main body from a lighting LED module, or can have various configurations, i.e., the number of lighting LED modules, this requires that all seals between the housing and the lighting LED modules are also IP rated.
  • Configurable luminaires are typically required for outdoor environmental lighting, including, for example, streetlamps, parking lighting, pathway lighting, and so forth.
  • Such luminaires may be configured with various constructions (i.e., scalable) to provide different light distribution in accordance with various codes and requirements. Also, based on the applications, different mounting requirements may be involved.
  • High mast light fixtures Such fixtures are raised high to minimize ground level obstructions and create uniform illumination across a large area.
  • the high mounting height combined with a multipleluminaire configuration makes high mast luminaires the most efficient and effective way of illuminating large areas.
  • Such high mast luminaires must possess the strength and resistance required to survive the most challenging outdoor environments.
  • Conventional high mast luminaires include three main sub-assemblies: mast structure, headframe, and lighting module.
  • the headframe can be further divided into the fixed and mobile types.
  • the mast structure has a winch mechanism which allows the headframe to be lowered to ground level for maintenance.
  • the mobile headframe comes with a latching mechanism that holds the entire weight of the headframe.
  • the mobile and the fixed headframe can be configured to include one or more lighting modules to provide different light distribution as required for the particular application.
  • one potential shortcoming is that water, dust, etc., may enter the headframe and lighting module and cause damage if the connection points (both mechanical and electrical connection points) are not properly protected from such environmental factors.
  • a sealing device may use a combination of two seals that can be combined in various configurations to achieve an IP66 and/or IP65 rating.
  • a first seal may include a pressure relief function
  • a second seal includes a lower pressure relief function.
  • the first seal and the second seal may work independently or in combination.
  • the first seal serves as a pressure relief to prevent water from penetrating to internal compartments by reducing the water pressure and stopping waterjets from penetrating by force beyond this first seal barrier.
  • the second seal may be used in combination to the first seal to prevent water ingress from penetrating connecting wire ways between, for example, a lower and an upper housings or between the headframes and lighting modules.
  • Yet another aspect of the present inventions allows for seal components to serve two different situations.
  • the seal components can be installed parallel to the one or more wires in the wire passage.
  • the seal components are installed in the wire passage in a 90 degree orientation from the wire channel to completely seal the wire passage.
  • aspects of the present invention allow for sealing of a lower part of a luminaire housing to prevent water ingress to makes its way to an upper part of the luminaire housing by removing water velocity and water pressure.
  • Proposed embodiments may therefore be used to seal electrical or mechanical connection points in housing compartments to prevent ingress of foreign contaminants from possibly damaging electrical components or circuitry.
  • One embodiment of the present invention is directed to a lighting fixture that includes an upper housing and a lower housing.
  • the upper housing includes an electrical component and the lower housing includes a lighting module that is electrically coupled to the electrical component using a wire disposed in a wire channel.
  • a first seal has a wire pathway and a slit can be positioned with a first orientation in the wire channel and allow the wire to pass there through using the wire pathway and the slit.
  • the first seal can be positioned with a second orientation in the wire channel so that the wire pathway is perpendicular to the wire channel when no wire is needed.
  • the lighting fixture may also include a wire tunnel formed between the upper housing and the lower housing and including an aperture at one end through which the wire passes there through.
  • a second seal can be positioned in the aperture and allow the wire to pass there through the aperture. The wire is compressed between a side of the second seal and the aperture.
  • Another embodiment of the present invention is directed to a lighting fixture a housing that includes an electrical component and a lighting module that is electrically coupled to the electrical component using a wire positioned in a wire channel.
  • a first seal including a wire pathway and a slit that can be positioned with a first orientation in the wire channel and allow the wire to pass there through using the wire pathway and the slit.
  • the first seal can be positioned with a second orientation in the wire channel so that the wire pathway is perpendicular to the wire channel.
  • the lighting fixture also includes a wire tunnel formed between the electrical component and the lighting module that includes an aperture at one end through which the wire passes there through.
  • a second seal can be disposed in the aperture to allow the wire to pass there through the aperture. The wire is compressed between a side of the second seal and the aperture.
  • Figs, la and lb illustrates perspectives views of an example light-emitting diode based lighting fixture, in accordance with an example embodiment of the present disclosure
  • Figs. 2 illustrates perspectives views of an example light-emitting diode based lighting fixture configured with a plurality of LED modules, in accordance with an example embodiment of the present disclosure
  • Fig. 3 illustrates a cross-sectional view of an example light-emitting diode based lighting fixture in accordance with certain example embodiments
  • Fig. 4 illustrate a detail of a first seal in accordance with certain example embodiments
  • Fig. 5 illustrate a detail of a second seal in accordance with certain example embodiments
  • Fig. 6 illustrate the first seal inserted in the example light-emitting diode based lighting fixture in accordance with certain example embodiments
  • Figs. 7a and 7b illustrate the second seal inserting and not inserted in the example light-emitting diode based lighting fixture in accordance with certain example embodiments.
  • the example embodiments discussed herein are directed to high mast luminaires such as the luminaires mounted above roadways. While the example embodiments described herein are in the context of high mast luminaires, it should be understood that the embodiments described herein can apply to a variety of luminaires. For example, the embodiments can be used with luminaires located in any environment (e.g., indoor, outdoor, hazardous, non-hazardous, high humidity, low temperature, corrosive, sterile, high vibration).
  • any environment e.g., indoor, outdoor, hazardous, non-hazardous, high humidity, low temperature, corrosive, sterile, high vibration).
  • the luminaires described herein can use one or more of a number of different types of light sources, including but not limited to various light-emitting diode (LED) light sources such as discrete LEDs, LED arrays, chip on board LEDs, and organic LED light sources, as well as other types of light sources. Therefore, the example luminaires described herein, should not be considered limited to a particular type of light source.
  • LED light-emitting diode
  • the example luminaires are subject to meeting certain standards and/or requirements.
  • NEC National Electric Code
  • NEMA National Electrical Manufacturers Association
  • IEC International Electrotechnical Commission
  • FCC Federal Communication Commission
  • IEEE Institute of Electrical and Electronics Engineers
  • UL Underwriters Laboratories
  • any luminaires, or components thereof (e.g., housings), described herein can be made from a single piece (e.g., as from a mold, injection mold, die cast, 3-D printing process, extrusion process, stamping process, or other prototype methods).
  • a luminaire (or components thereof) can be made from multiple pieces that are mechanically coupled to each other.
  • the multiple pieces can be mechanically coupled to each other using one or more of a number of coupling methods, including but not limited to epoxy, welding, fastening devices, compression fittings, mating threads, and slotted fittings.
  • One or more pieces that are mechanically coupled to each other can be coupled to each other in one or more of a number of ways, including but not limited to fixedly, hingedly, removably, slidably, and threadably.
  • a coupling feature (including a complementary coupling feature) can allow one or more components and/or portions of an example housing or other component of a light fixture to become coupled, directly or indirectly, to another portion of the example housing or other component of a light fixture.
  • a coupling feature can include, but is not limited to, a snap, Velcro, a clamp, a portion of a hinge, an aperture, a recessed area, a protrusion, a slot, a spring clip, a tab, a detent, and mating threads.
  • One portion of an example housing can be coupled to a light fixture by the direct use of one or more coupling features.
  • a portion of a luminaire can be coupled using one or more independent devices that interact with one or more coupling features disposed on a component of the housing.
  • independent devices can include, but are not limited to, a pin, a hinge, a fastening device (e.g., a bolt, a screw, a rivet), epoxy, glue, adhesive, tape, and a spring.
  • One coupling feature described herein can be the same as, or different than, one or more other coupling features described herein.
  • a complementary coupling feature also sometimes called a corresponding coupling feature as described herein can be a coupling feature that mechanically couples, directly or indirectly, with another coupling feature.
  • the example luminaire 100 includes an upper housing 101 connected to a lower housing 102.
  • the luminaire 100 may be attached to a pole 103 for mounting, for example, above a roadway.
  • the luminaire 100 may provide a scalable, variable configurable lighting using one or more lighting modules 104 as shown in Fig. la.
  • the luminaire 100 may utilizes a “mix and match” type system of different sets of the lighting modules 104 to meet a plurality of different lighting requirement.
  • the lighting modules 104 may be varied in light output and features.
  • the lighting modules 104 are sealed to provide IP66 level ingress protection against water and dust penetration.
  • the lighting modules 104 may be mechanically coupled to the lower housing 102 via a couple feature as discussed above.
  • the lighting modules 104 are LED light modules 104 which includes a base 105 to which is affixed a plurality of LED light elements 106 disposed to generate light outwardly from the LED lighting module 104. Any type of LED light elements 106 which are electrically powered to generate light may be utilized.
  • the LED light elements 106 are powered by one or more drivers (not shown) which may be provided in the upper housing 101 (as shown) or in the lower housing 102.
  • the driver(s) is each configured to convert alternating current to direct current to power the LED light elements 106.
  • Lenses or other optics may be provided with each of the LED lighting modules 105 to diffuse or otherwise act on light generated by the LED light elements 106.
  • each of the lighting modules 105 may include high performance LEDs with correlated color temperature.
  • the lower housing 102 including the lighting modules 105 may be rotatable, allowing for precision asymmetric distribution.
  • Fig. 3 illustrates a cross-sectional view of the example luminaire 100.
  • the upper housing 102 may include the one or more drivers.
  • the upper housing 102 may include a variety of other electronic components 107 such as dimming controls, digital wireless control systems and surge protection circuitry. Such electronic components 107 must be protected from elemental factors such as water and dust penetration.
  • one or more coupling features 108 connect the lower housing 102 to the upper housing 101.
  • one or more wiring tunnels 109 may be used to provide a pathway for electrical wires to electrically couple the lighting modules 105 to the electronic components 107, as may be needed, in the upper housing 101.
  • the coupling features 108 and/or the wiring tunnel 109 must not allow, for example, water to penetrate into the upper housing 101 or the lower housing 102.
  • Figs. 4 and 5 illustrate details of a first seal 200 and a second seal 300 in accordance with certain example embodiments to prevent or reduce possible water penetration into the upper housing 101 or the lower housing 102.
  • the first seal 200 and the second seal 300 may be made from and/or lined with silicone and/or rubber and/or other waterproof/resistant materials.
  • Other such waterproof material that may be used include polyurethane, cementitious coating EPDM Rubber, thermoplastic, bituminous membrane, waterproof/resistant fabrics and materials such as styrofoam.
  • the first seal 200 and the second seal 300 should have some flexibility or compressibility to allow it to be inserted/mated in an aperture so that it fit in a tight or confirming manner in the aperture.
  • first seal 200 and the second seal 300 are formed from a semi-rigid material and sized to fit tightly in an aperture. In another embodiment, the first seal 200 and the second seal 300 are designed to fit in the aperture in a plug or bottle-cork like manner.
  • the first seal 200 may have a U-shape to enable the first seal 200 to be removably inserted/mated to one or more wiring channels 110 (shown in Fig. 6).
  • the first seal 200 may have other shaped to accommodate other configurations/ shapes to insert/mate to a corresponding configurations/shapes of the wiring channel 110.
  • the cross-sectional shape of the first seal 200 may also comprise a U-shape, circular, rectangular, pentagonal, hexagonal, elliptical, or octagonal cross-section, or other crosssection.
  • the first seal 200 includes a wire pathway 201 to allow electrical wires to pass through the first seal 200.
  • the electrical wires may be inserted into the wire pathway 201 via a slit 202 at the top of first 200.
  • first seal 200 When the first seal 200 is inserted/mated to the wiring channel 110 pressure is exerted on the outer sides of the first seal 200 so that the slit is forced closed to prevent/reduce the possibility of water penetration.
  • the first seal 200 by inserted/mated to the wiring channel 110 in two different positions/orientations.
  • the wire pathway 201 In the first position, the wire pathway 201 is parallel to the wiring channel 110.
  • the wire pathway 201 In the second position, the wire pathway 201 is perpendicular to the wiring channel 110.
  • the perpendicular position may be used when no electrical wires need to be passed through the first seal 200.
  • the length of the first seal 200 In the perpendicular position, the length of the first seal 200 is designed to fit tightly in the wiring channel 110 to prevent/reduce the possibility of water penetration.
  • the second seal 300 may have a circular, disk-like shape and made from a semi-flexible material. However, it should be understood that other shapes may be used.
  • the cross-sectional shape of the second seal 300 may also comprise a circular, rectangular, pentagonal, hexagonal, elliptical, or octagonal cross-section, or other cross-section.
  • the shape of the second seal 300 is designed to match an aperture 111 formed at one end of the wiring tunnel 109 and used to allow for the electrical wires to pass though the wiring tunnel 109 between the upper housing 101 and the lower housing 102.
  • the second seal 300 is removably inserted/mated to the aperture 111 as shown in Fig. 7a or removed as shown in Fig. 7b. When inserted/mated to the aperture 111, the second seal 300 forms a seal between the sides of the second seal 300 and the aperture 111 while allowing a wire to pass through the aperture 111.
  • the wire being compressed between the side of the second seal 300 and the aperture 111.
  • the second seal 300 may be used alone or as an additional water protection after the first seal 200.
  • the first seal 200 can serves as a pressure relief to prevent water to penetrate this first barrier by reducing the water pressure and stopping a waterjet from penetrating by force beyond the first seal 200.
  • the second seal 300 may be used in conjunction with the first seal to prevent water ingress from penetrating into the central connecting wire way (i.e., the wiring tunnel 109) way between the lower housing 102 and the upper housing 101 if any water were able to penetrate the first seal 200.
  • the first seal 200 and the second seal 300 may be removed and reused as needed to allow for maintenance or repair of the luminaire 100.
  • references in parentheses refer to reference signs in drawings of exemplifying embodiments or to formulas of embodiments, thus increasing the intelligibility of the claim. These references shall not be construed as limiting the claim.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Est divulgué un luminaire (100) comprenant un boîtier supérieur (101) qui comprend un composant électrique (107) et un boîtier inférieur (102) qui comprend un module d'éclairage (104) qui est électriquement accouplé au composant électrique (107) en utilisant un fil positionné dans un canal de fil. Un premier joint d'étanchéité (200) comprenant un trajet de fil (201) et une fente (202) peut être positionné selon une première orientation dans le canal de fil (110) et permettre au fil de passer à travers celui-ci en utilisant le trajet de fil (201) et de la fente (202). Lorsque le premier joint d'étanchéité (200) est positionné selon la première orientation dans le canal de fil (110), la possibilité de pénétration d'eau dans le boîtier supérieur (101) et/ou le boîtier inférieur (102) par l'intermédiaire du canal de fil (110) est réduite. Le premier joint d'étanchéité (200) peut être positionné selon une seconde orientation dans le canal de fil (110) de telle sorte que le trajet de fil (201) est perpendiculaire au canal de fil (110) lorsqu'aucun fil n'est nécessaire. Le luminaire (100) peut également comprendre un tunnel de fil (109) formé entre le boîtier supérieur (101) et le boîtier inférieur (102) et comprenant une ouverture (111) à une extrémité à travers laquelle passe le fil. Un second joint d'étanchéité peut être positionné dans l'ouverture (111) et permettre au fil de passer à travers l'ouverture (111). Le fil est comprimé entre un côté du second joint d'étanchéité (300) et l'ouverture (111).
PCT/EP2023/072768 2022-08-26 2023-08-18 Luminaire comprenant un moyen de protection d'entrée environnementale WO2024041987A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202263401215P 2022-08-26 2022-08-26
US63/401,215 2022-08-26
EP22194638.7 2022-09-08
EP22194638 2022-09-08

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Publication Number Publication Date
WO2024041987A1 true WO2024041987A1 (fr) 2024-02-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088809A1 (fr) * 2003-04-01 2004-10-14 Faurecia Innenraum Systeme Gmbh Dispositif pour fixer un cable sur une surface
EP2482401A2 (fr) * 2011-01-28 2012-08-01 Airbus Operations Limited Chemin de câble
US20130027936A1 (en) * 2011-07-29 2013-01-31 Christopher Ladewig Heat Sink for a Lighting System
US9343885B2 (en) * 2009-08-06 2016-05-17 3M Innovative Properties Company System and method for providing final drop in a living unit in a building
KR20180023165A (ko) * 2016-08-25 2018-03-07 인지전기공업 주식회사 방수 및 감전방지 타입 엘이디 조명장치
WO2021192886A1 (fr) * 2020-03-23 2021-09-30 株式会社オートネットワーク技術研究所 Module de câblage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088809A1 (fr) * 2003-04-01 2004-10-14 Faurecia Innenraum Systeme Gmbh Dispositif pour fixer un cable sur une surface
US9343885B2 (en) * 2009-08-06 2016-05-17 3M Innovative Properties Company System and method for providing final drop in a living unit in a building
EP2482401A2 (fr) * 2011-01-28 2012-08-01 Airbus Operations Limited Chemin de câble
US20130027936A1 (en) * 2011-07-29 2013-01-31 Christopher Ladewig Heat Sink for a Lighting System
KR20180023165A (ko) * 2016-08-25 2018-03-07 인지전기공업 주식회사 방수 및 감전방지 타입 엘이디 조명장치
WO2021192886A1 (fr) * 2020-03-23 2021-09-30 株式会社オートネットワーク技術研究所 Module de câblage

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Title
ICOTEK: "Icotek Produktkatalog 2017/2018 - Kabeldurchführungen", 21 August 2017 (2017-08-21), XP055717121, Retrieved from the Internet <URL:https://www.ehrlich-kg.de/pdf/icotek_Katalog30.pdf> [retrieved on 20200722] *

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