WO2023074612A1 - 航空機用灯具 - Google Patents

航空機用灯具 Download PDF

Info

Publication number
WO2023074612A1
WO2023074612A1 PCT/JP2022/039496 JP2022039496W WO2023074612A1 WO 2023074612 A1 WO2023074612 A1 WO 2023074612A1 JP 2022039496 W JP2022039496 W JP 2022039496W WO 2023074612 A1 WO2023074612 A1 WO 2023074612A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
light source
lens
connector
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.)
Ceased
Application number
PCT/JP2022/039496
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
幹雄 漆畑
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2023556419A priority Critical patent/JPWO2023074612A1/ja
Publication of WO2023074612A1 publication Critical patent/WO2023074612A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/02—Arrangements or adaptations of signal or 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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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 present invention relates to an aircraft lighting fixture.
  • Patent Document 1 a plurality of light sources and a plurality of lenses provided corresponding to the respective light sources are provided, and the plurality of lenses are held by a lens holding member to form a lens unit, thereby facilitating assembly.
  • the invention of the lamp is disclosed.
  • an object of the present disclosure is to provide an aviation lighting fixture that can reduce the trouble of exchanging the outer lens. Another object of the present disclosure is to provide an aviation lighting fixture that can be further improved in assemblability and reduced in manufacturing man-hours.
  • the aviation lighting device of the present disclosure includes a housing, an outer lens attached to the front surface of the housing, and a lens holder that detachably holds the outer lens in the housing. and a fitting groove for fitting the outer peripheral edge of the outer lens.
  • the aviation lighting device of the present disclosure includes a light source board on which a light source is mounted, a terminal board for supplying power to the light source board, and a connector board on which a connector for electrically connecting the terminal board and the light source board is mounted. It is characterized by
  • the lens holder that detachably holds the outer lens in the housing is provided, when the outer lens is damaged or deteriorated, only the outer lens can be removed from the main body and replaced. Therefore, there is an effect that the trouble during maintenance work can be reduced.
  • the connector board is provided to connect the light source board and the terminal board, the number of parts can be reduced by eliminating the need for a harness, and labor can be saved during manufacturing.
  • FIG. 1 is a cross-sectional view of the aircraft lighting device of Example 1.
  • FIG. FIG. 2 is an exploded perspective view showing the aircraft lighting device of FIG. 1;
  • FIG. 10 is an operation explanatory diagram for explaining the work of exchanging the outer lens; It is a front schematic diagram of an inner lens. It is a cross-sectional schematic diagram which shows the flow of the air in a lamp.
  • FIG. 10 is a cross-sectional view of the aircraft lighting device of Example 2;
  • FIG. 7 is an exploded perspective view showing the aircraft lighting device of FIG. 6; It is (a) a front view of a light source board
  • FIG. 4 is a schematic diagram which shows a mode that a light source board
  • FIG. 4 is a schematic cross-sectional view showing the flow of air in the lamp, cut along line AA along the ventilation holes of the light source substrate;
  • the aircraft lighting device of the present disclosure is a lighting device that is attached to the exterior or a leg of an aircraft, and can be employed as, for example, taxi lights, landing lights, take-off lights, taxi lights, and the like.
  • the outer lens side is the front direction of the lamp
  • the housing side is the rear direction of the lamp.
  • common elements are denoted by the same reference numerals, and descriptions thereof are omitted.
  • the aircraft lighting device 1 shown in FIGS. 1 and 2 includes a housing 5 (a first housing 51 and a second housing 52) attached to the exterior or a leg of an aircraft, and an outer lens 2 and an inner lens 3 made of a transparent resin material. , and a lens holder 4 that detachably holds the outer lens 2 in the first housing 51 .
  • the outer lens 2 and the inner lens 3 are molded mainly from acrylic resin or polycarbonate (PC) resin, and the housing 5 is molded mainly from metal such as aluminum having good thermal conductivity.
  • a first lamp chamber 61 formed between the first housing 51 and the outer lens 2 includes a light source substrate 7 on which a plurality of light sources 71 (LEDs) are mounted, and an inner lens 3 for distributing the light from the light source 71. is accommodated.
  • a connector substrate 8 having a connector for electrically connecting the light source substrate 7 and the power terminal 92 of the terminal 9 is mounted. Contained.
  • the first housing 51 is provided with a small terminal hole 51 b through which the first connector 81 of the connector board 8 is passed toward the light source board 7 .
  • the second housing 52 is screwed to the rear surface of the first housing 51 .
  • the inner lens 3 is screwed to the light source board 7 , and the light source board 7 is screwed to the first housing 51 .
  • the outer lens 2 is provided with a flange portion 2a to be fitted into the lens holder 4 along the outer peripheral edge of the outer cover.
  • the first housing 51 also has a flange portion 51 a to be fitted into the lens holder 4 along the outer peripheral edge of the first housing 51 .
  • the outer cover 2 having a shape that protrudes in the front direction of the lamp is adopted, but it is also possible to select an outer cover 2 that has a shape that does not protrude. While the outer surface of the outer lens is hard-coated (HC), the protruding shape of the outer cover 2 makes it easier to distinguish between the outer surface and the inner surface, making it easier to distinguish between the HC-treated surfaces during assembly. There are advantages.
  • the lens holder 4 is molded from an elastic material such as rubber having appropriate flexibility and stretchability, and is provided in an annular shape surrounding the outer peripheral portion of the outer lens 2 and the outer peripheral portion of the first housing 51 . Further, the lens holder 4 is accommodated so that at least a part of the outer surface of the lens holder 4 is in contact with the inner side of the lighting attachment portion (not shown) on the aircraft side. Therefore, the lens holder 4 mitigates vibrations and shocks transmitted from the aircraft body, and protects the aircraft lighting device 1 while preventing dust, wind and rain from entering the lighting device mounting portion.
  • an elastic material such as rubber having appropriate flexibility and stretchability
  • the inner peripheral surface of the lens holder 4 is formed with a plurality of fitting grooves 41 and 42 for fitting the flange portion 2a of the outer lens 2 and the flange portion 51a of the first housing 51, respectively. At least part of the inner peripheral surface of the lens holder 4 is in contact with the outer cover 2 and the first housing 51 so as to seal the first lamp chamber 61 from the outside.
  • the edge portion of the lens holder 4 when the edge portion of the lens holder 4 is opened outward, the flange portion 2a of the outer lens 2 can be taken out from the fitting groove 41, and the flange portion 2a of the new outer lens 2 is inserted into the fitting groove.
  • the outer cover 2 can be easily replaced by fitting it into 41 .
  • the inner lens 3 includes a plurality of lens portions 31 corresponding to the plurality of light sources 71 and a lens base 32 .
  • the plurality of lens portions 31 are integrally molded with the lens base 32 .
  • a spacer 33 for adjusting the distance from the light source substrate 7 is erected on the lens base 32 of the inner lens 3 .
  • the lens base 32 of the inner lens 3 has a vent for passing air.
  • the boundary between the lens portion 31 and the lens base 32 is sealed, so that the heat generated from the light source 71 can easily accumulate.
  • the outer lens 2 and/or the inner lens 3 will fog up due to the moisture generated from the resin itself and the moisture inside the first lamp chamber 61 .
  • the ventilation part By providing the ventilation part, the air in the first lamp chamber 61 flows and circulates, thereby diffusing heat and enhancing the antifogging effect.
  • a notch section 34 can be provided on the outer peripheral edge of the inner lens 3, as shown in FIG.
  • a single or a plurality of cutouts 34 can be provided.
  • the cutout portion 34 is provided so as to have a shape along the outer peripheral edges of the plurality of lens portions 31 . By providing in this way, the area of the notch 34 can be provided larger.
  • the lens holder 4 made of an elastic material such as rubber is provided, the outer lens 2 can be easily replaced.
  • the inner lens 3 is provided with a vent, the air in the first lamp chamber 61 can be circulated, the heat of the outer lens 2 and the inner lens 3 can be diffused, and fogging can be prevented.
  • the aircraft lighting device 1 shown in FIGS. 6 and 7 includes a housing 5 (a first housing 51 and a second housing 52) attached to the exterior or a leg of an aircraft, and an outer lens 2 and an inner lens 3 made of a transparent resin material. , a lens holder 4 that detachably holds the outer lens 2 in a first housing 51, a light source board 7 on which a plurality of light sources (LEDs) 71 are mounted, a terminal board 9 that supplies power to the light source board 7, and a terminal board.
  • the connector board 8 is provided with connectors (first connector 81 and second connector 82 ) for electrically connecting the light source board 7 with the light source board 7 .
  • the light source board 7 includes a light source 71 and a light source base 72 on which the light source 71 is mounted.
  • a handle 75 used when mounting the light source board 7 is provided on the front side of the light source base 72 .
  • the handle 75 is made mainly of metal such as aluminum having good thermal conductivity, and is composed of a knob 75a projecting in the front direction of the light source substrate 7 and a leg portion 75b fixed to the light source substrate 7.
  • a connector 73 to be connected to the first connector 81 of the connector board 8 is provided on the rear side of the light source base 72 .
  • the connector 73 has an insertion hole 73a for connection with a plug-in connector.
  • the light source base 72 is provided with a vent hole 74 as a ventilation part for passing air.
  • a vent hole 74 as a ventilation part for passing air.
  • a single or a plurality of ventilation holes 74 can be provided.
  • the ventilation hole 74 can be provided at an arbitrary position while avoiding wiring of the light source 71 and the light source substrate.
  • the connector board 8 has a first connector 81 connected to the connector 73 of the light source board 7 and a second connector 82 connected to the connector 91 of the terminal board 9 .
  • the first connector 81 is provided on the front side of the connector board 8
  • the second connector 82 is provided on the back side of the connector board 8 .
  • the first connector 81 is a plug-in connector having terminals 81a
  • the second connector 82 has an insertion hole 82a to be connected with the plug-in connector.
  • the terminal board 9 has a connector 91 connected to the second connector 82 and a power supply terminal 92 connected to a power supply.
  • the connector 91 is provided on the front side of the terminal board 9
  • the power supply terminal 92 is provided on the back side of the terminal board 9 .
  • the connector 91 is a plug-in connector with terminals 91a.
  • the flange portion 52a of the second housing 52 is provided with screw holes 52b for screwing the second housing 52 to the first housing 51.
  • a burring tap 52c is formed as a rising portion that rises in the mounting direction of the screw 10. As shown in FIG. Since the burring tap 52c is provided, the screw of the screw 10 is easily guided into the threaded hole 52b, and the automatic assembly of the second housing 52 becomes possible, thereby improving the assembly efficiency.
  • the terminal 91 a of the connector 91 of the terminal board 9 is loosely inserted into the second connector 82 (insertion hole 82 a ) of the connector board 8 .
  • the terminals 81a of the first connector 81 of the connector board 8 are inserted into the small terminal holes 51b of the first housing 51, and the connector 73 (insertion hole 73a) of the light source board 7 is inserted. ) loosely.
  • the screws 10 are arranged in the screw holes 52b of the second housing 52, the substrates 7, 8, 9 and the housings 51, 52 are respectively arranged at suitable assembly positions.
  • the second housing 52 is assembled to the first housing 51, and the terminals 9a of the terminal board 9 are inserted into the second connectors 82 of the connector board 8.
  • the terminal 8a is inserted into the connector 73 of the light source board 7, and the light source board 7 and the terminal board 9 are electrically connected.
  • the aircraft lighting device 1 of this embodiment since the light source board 7 and the terminal board 9 are electrically connected through the connector board 8, connection by a harness is not necessary, which reduces the number of parts and the time and effort required for assembly. can be reduced.
  • the burring tap 52c is provided, a nut is not required, and the number of parts and labor required for assembly can be reduced.
  • the connector can be connected at the same time as the screw 10 is tightened.
  • the air holes 74 are provided in the light source substrate 7, the air in the first lamp can be smoothly circulated as shown in FIG.
  • the present disclosure is not limited to the above-described embodiments, and it is also possible to change the shape and configuration of each part as appropriate without departing from the gist of the present disclosure.
  • the lens base 32 may be provided with a small hole for ventilation.
  • Aircraft lighting device Outer lens (a: flange portion) 3 inner lens 4 lens holder 5 housing 7 light source board 8 connector board 9 terminal board 10 screw 31 lens portion 32 lens base 33 spacer 34 notch portion 41 fitting groove (for outer lens) 42 Fitting groove (for housing) 51 first housing (a: flange portion, b: small hole for terminal) 52 Second housing (a: flange portion, b: screw hole, c: raised portion) 61 First lamp chamber 62 Second lamp chamber 71 Light source 72 Light source base 73 Connector (a: insertion hole) 74 ventilation hole 75 handle (a: knob, b: leg) 81 first connector (a: terminal) 82 second connector (a: insertion hole) 91 connector (a: terminal) 92 power terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
PCT/JP2022/039496 2021-10-29 2022-10-24 航空機用灯具 Ceased WO2023074612A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023556419A JPWO2023074612A1 (https=) 2021-10-29 2022-10-24

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2021-177572 2021-10-29
JP2021-177571 2021-10-29
JP2021177572 2021-10-29
JP2021177571 2021-10-29

Publications (1)

Publication Number Publication Date
WO2023074612A1 true WO2023074612A1 (ja) 2023-05-04

Family

ID=86158941

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/039496 Ceased WO2023074612A1 (ja) 2021-10-29 2022-10-24 航空機用灯具

Country Status (2)

Country Link
JP (1) JPWO2023074612A1 (https=)
WO (1) WO2023074612A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241324U (https=) * 1988-06-30 1990-03-22
US20150055363A1 (en) * 2013-08-21 2015-02-26 George A. Van Straten Heated Light Assembly and Light Retainer
JP2020027743A (ja) * 2018-08-10 2020-02-20 株式会社小糸製作所 航空機用灯具
JP2020119680A (ja) * 2019-01-22 2020-08-06 株式会社小糸製作所 航空機用灯具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241324U (https=) * 1988-06-30 1990-03-22
US20150055363A1 (en) * 2013-08-21 2015-02-26 George A. Van Straten Heated Light Assembly and Light Retainer
JP2020027743A (ja) * 2018-08-10 2020-02-20 株式会社小糸製作所 航空機用灯具
JP2020119680A (ja) * 2019-01-22 2020-08-06 株式会社小糸製作所 航空機用灯具

Also Published As

Publication number Publication date
JPWO2023074612A1 (https=) 2023-05-04

Similar Documents

Publication Publication Date Title
US11644162B2 (en) Lighting fixture
US8021024B2 (en) LED lamp
US20090046465A1 (en) Power LED lighting assembly
US10302269B2 (en) Vehicle lighting device with passage in housing
JP4637251B2 (ja) 照明装置
CN112212303B (zh) 由多个单位照明模块构成的车辆用灯具的电源供应装置
US10875444B2 (en) Illumination device for a vehicle
CN103322489B (zh) 光源单元以及车辆用灯具
JP2008243615A (ja) ライトユニットおよびこのライトユニットを用いた撮像装置
US10488030B2 (en) Light device for a motor vehicle
US12172584B2 (en) Car radiator cover
WO2023074612A1 (ja) 航空機用灯具
CN114258471A (zh) 车辆用灯具
JP2020119634A (ja) 灯具
US20210247047A1 (en) Modular lighting system
CN210179516U (zh) 车灯
US12203643B2 (en) Substrate sheet for card-type lamp unit, card-type lamp unit, and vehicle lamp
EP4311726A1 (en) Car radiator cover
US20190063707A1 (en) Lighting device for a motor vehicle
CN215706168U (zh) 一种模块化汽车发光格栅
JP7121574B2 (ja) 灯具
CN113212351A (zh) 一种模块化汽车发光格栅
CN219550327U (zh) 结合led和激光的车灯
CN212840780U (zh) 浸没于水的led灯
CN221592692U (zh) 一种结构紧凑的汽车车灯及矩阵式车灯

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22886939

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023556419

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22886939

Country of ref document: EP

Kind code of ref document: A1