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WO2018155667A1 - Dispositif d'éclairage à del - Google Patents

Dispositif d'éclairage à del Download PDF

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Publication number
WO2018155667A1
WO2018155667A1 PCT/JP2018/006852 JP2018006852W WO2018155667A1 WO 2018155667 A1 WO2018155667 A1 WO 2018155667A1 JP 2018006852 W JP2018006852 W JP 2018006852W WO 2018155667 A1 WO2018155667 A1 WO 2018155667A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
ground
substrate holder
power supply
fitting
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/JP2018/006852
Other languages
English (en)
Japanese (ja)
Inventor
智也 福田
章史 谷地
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.)
Kowa Co Ltd
Original Assignee
Kowa 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 Kowa Co Ltd filed Critical Kowa Co Ltd
Priority to JP2019501851A priority Critical patent/JPWO2018155667A1/ja
Publication of WO2018155667A1 publication Critical patent/WO2018155667A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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

Definitions

  • the present invention relates to an LED lighting device that can be easily assembled.
  • a terminal mounted on the base 3 of the LED lighting device 1 with a three-core power cable 2 with a grounding cable extending from a mounting member side such as a ceiling.
  • a three-core connection cable 7 Connected to the terminal block 5 and further connected to the terminal block 5 a three-core connection cable 7 with a ground cable for supplying power to the DC power supply device 6 for driving the LED element.
  • the base 3 is formed of a conductive material such as aluminum, and the terminal block 5 is electrically connected to the ground of the base 3 at the time of assembly when the terminal block 5 is mounted on the base 3. 5 is also connected to the ground on the side of the substrate holder 9 including the DC power supply device 6 via a three-core connection cable 7. Therefore, by connecting the three-core power cable 2 to the terminal block 5, the frame ground of the base 3 and the ground on the substrate holder 9 side are grounded by the ground cable of the three-core power cable 2. Yes. Therefore, when connecting the three-core power cable 2, it is necessary to connect both the frame ground of the base 3 and the ground on the substrate holder 9 side including the DC power supply device 6 to the three-core power cable 2.
  • the present invention has been made in view of the above circumstances, and a power cable with a ground cable can be directly connected to the substrate holder side, and at the same time, the grounding of the substrate holder side including the base frame ground and the DC power supply device can be achieved.
  • An object of the present invention is to provide an LED lighting device in which both can be grounded to a power cable.
  • a first aspect of the present invention has a base (3) that can be attached to a ceiling, and a light source unit (4) is detachably provided on the base (3),
  • the light source unit (4) has a substrate holder (9),
  • a DC power supply (6) is disposed on the base (3) side of the substrate holder (9),
  • an LED substrate (11) mounted with an LED element (10) is mounted,
  • the board holder (9) is provided with a terminal block (12) to which a three-core power cable (2) having a ground wire can be connected,
  • the terminal block (12) is electrically connected to the DC power supply device (6),
  • the terminal block (12) has a ground terminal electrically connected to the ground of the DC power supply device (6) and the LED board (11),
  • An earth connection fitting (13) having a first fitting (13a) and a second fitting (13b) between the substrate holder (9) and the base (3) is connected to the base (3) of the substrate holder (9).
  • the first metal fitting (13a) and the second metal fitting (13b) are provided so as to be electrically connected and disconnected.
  • the first metal fitting (13a) is electrically connected to the ground of the DC power supply (6) and the LED substrate (11), and the second metal fitting (13b) is a frame ground of the base (3). Is electrically connected to the It is configured as a feature.
  • the three-core power cable (2) provided with the ground wire is connected to the terminal block (12) provided on the substrate holder (9). ), The connection of the three-core power cable (2) to the DC power supply (6), and the connection between the DC power supply (6) and the LED board (11) via the three-core power cable (2). Since the ground connection between the ground and the base (3) is completed, the connection cable for connecting the terminal block (5) and the DC power supply device (6) as in the case where the terminal block (5) is provided on the base (3). It is not necessary to perform the connection work of (7), and the assembly work can be performed efficiently.
  • FIG. 1 is a schematic front view showing an example of a conventional LED lighting device.
  • FIG. 2 is a schematic front view showing an example of an LED lighting device according to the present invention.
  • FIG. 3 is a schematic side view showing an assembled state of the LED lighting device of FIG. 2.
  • 4 is a schematic side view of the LED lighting device of FIG.
  • the LED lighting device 1 has a base 3 for attaching the LED lighting device 1 to a ceiling or the like (not shown).
  • the base 3 has a light source unit 4 in FIG. As shown in the figure, it is detachably provided in the vertical direction in the figure with respect to the base 3 formed in a box shape as a whole.
  • a variety of attachment / detachment structures between the light source unit 4 and the base 3 are known, but detailed description thereof is omitted here.
  • a direct current power supply device 6 that converts alternating current into direct current and supplies it to the outside (LED element) is provided on the upper surface of the substrate holder 9 as one of the components of the light source unit 4 in the drawing, that is, on the base 3 side.
  • an LED substrate 11 on which a large number of LED elements 10 are arranged is mounted on the light irradiation side of the lower surface in FIG. 2 of the substrate holder 9, and thus on the opposite surface of the substrate holder 9 on which the DC power supply device 6 is provided.
  • a feeding cable 8 for supplying DC power from the DC power supply device 6 to the LED substrate 11 is connected between the DC power supply device 6 and the LED substrate 11.
  • a terminal block 12 is electrically connected to the left side of the DC power supply device 6 in FIG. 2, and the terminal block 12 includes three input terminals (not shown), and the LED lighting device 1 is mounted on the ceiling or the like. When attaching, it is comprised so that the front-end
  • the terminal block 12 is provided on the substrate holder 9 and can supply commercial power supplied from the power cable 2 to the DC power supply device 6.
  • a ground terminal (not shown) to which the ground wire of the power cable 2 of the terminal block 12 is connected is electrically connected to the ground of the DC power supply device 6 and the LED board 11 via a cable or a fitting (not shown). ing.
  • the DC power supply device 6 has a built-in power supply board (not shown) that rectifies AC power supplied from the terminal block 12 and converts it into DC, and the grounding of the power supply board is as described above. It is electrically connected to 12 ground terminals.
  • a ground connection fitting 13 is provided between the DC power supply 6 and the side plate 3a of the base 3 on the right side of FIG. It has the pin 13a which is the 1st metal fitting standingly arranged by the board
  • the pin 13a and the nut 13b are configured to be freely inserted and engaged in the vertical direction of FIGS. 2 and 3 (that is, the direction of the mounting operation of the substrate holder 9 on the base 3 in the direction of arrows A and B in FIG. 3). When the pin 13a is inserted and engaged with the nut 13b, the two are electrically connected.
  • the pin 13a is electrically connected to the ground of a power supply board (not shown) in the LED substrate 11 or the DC power supply device 6 by an appropriate conduction means such as a cable, and the nut 13b is electrically connected to the base 3 having conductivity, and hence to the ground. is doing.
  • the substrate holder 9 is provided with a light diffusing cover 15 as shown in FIG.
  • the assembly of the LED lighting device 1 in the field is performed, for example, with respect to the base 3 attached to the ceiling 16 as shown in FIG.
  • the light source unit 4 composed of the substrate holder 9 and the diffusion cover 15 with the LED substrate 11 mounted thereon is mounted and attached in such a manner that it moves in the direction of arrow A.
  • Such an assembly mode is not the main point of the present invention, and various modes can be considered.
  • the tip of the three-core power cable 2 with the ground wire extending from the ceiling 16 side through the wiring intake hole 3b of the base 3 is described above.
  • it is connected to the terminal block 12 provided on the substrate holder 9 so that power can be supplied from the power cable 2 to the DC power supply device 6 through the terminal block 12, and the ground wire of the power cable 2 is connected.
  • the terminal block 12 is connected to a ground terminal (not shown). Then, the DC power supply device 6 of the substrate holder 9 and the ground of the LED substrate 11 are connected to the ground via the three-core power cable 2.
  • the substrate holder 9 After connecting the power cable 2 to the terminal block 12 in this way, the substrate holder 9 is moved in the direction of arrow A in FIG. 3 and attached to the base 3. At this time, the pin 13a of the ground connection fitting 13 erected on the substrate holder 9 is attached. However, the base 3 is grounded and engaged with the nut 13 b provided on the base 3, whereby the ground of the base 3 is connected to the LED board 11 on the board holder 9 side and the power supply board (not shown) in the DC power supply device 6 via the ground connection fitting 13. Conduction with the ground and further with the ground terminal of the terminal block 12 are conducted.
  • the base 3 is similarly connected to the 3-core power supply.
  • the cable 2 is grounded.
  • the DC power supply device can be obtained simply by connecting the three-core power cable 2 provided with the ground wire to the terminal block 12 provided on the substrate holder 9. Since the connection of the three-core power cable 2 to 6, the grounding of the DC power supply device 6 and the LED board 11 and the base 3 via the three-core power cable 2 is completed, the terminal block 5 is attached to the base 3. As in the case where it is provided, it is not necessary to perform the connection work of the connection cable 7 for connecting the terminal block 5 and the DC power supply device 6, and the assembly work can be performed efficiently.
  • the ground connection fitting 13 may have any configuration as long as the ground of the base 3 and the ground on the substrate holder 9 side can be connected, but the substrate holder 9 that is a component of the light source unit 4 is placed on the base 3 side. It is important that the connection operation of the ground connection fitting 13 is performed by the close attachment operation of the substrate holder 9 to be moved to the base 3 (therefore, movement in the direction of arrows AB in FIG. 3). For this purpose, it is desirable to provide a mechanism capable of electrically connecting / disconnecting the ground connection fitting 13 by moving the board holder 9 in the directions of arrows A and B in FIG. For example, a pin jack method, a pressure bonding method using a leaf spring, and the like can be considered, but are not limited thereto.

Landscapes

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

Abstract

La présente invention concerne un dispositif d'éclairage à DEL qui comprend une base qui peut être montée sur le plafond ; une unité de source de lumière est disposée de façon détachable sur ladite base, une alimentation en courant continu est disposée sur le côté de base du support de substrat à l'intérieur de l'unité de source de lumière, et un substrat de DEL, sur lequel est monté un élément de DEL, est monté sur le côté d'émission de lumière du support de substrat. Sur le support de substrat, un culot à borne est prévu, auquel un câble d'alimentation tripolaire ayant une ligne de terre peut être connecté. Le culot à borne est électriquement connecté à l'alimentation en courant continu, et le culot à borne comprend une borne de terre connectée électriquement à la terre du substrat de DEL ou à l'alimentation électrique en courant continu. Un raccord de connexion à la terre comprenant un premier raccord et un second raccord est disposé entre le support de substrat et la base de telle sorte que le premier raccord et le second raccord peuvent être électriquement connectés et détachés dans la direction de fonctionnement de montage du support de substrat à la base ; le premier raccord est électriquement connecté à la terre du substrat de DEL ou à l'alimentation électrique en courant continu, et le second raccord est électriquement connecté à la terre de la base.
PCT/JP2018/006852 2017-02-27 2018-02-26 Dispositif d'éclairage à del Ceased WO2018155667A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019501851A JPWO2018155667A1 (ja) 2017-02-27 2018-02-26 Ｌｅｄ照明装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-035174 2017-02-27
JP2017035174 2017-02-27

Publications (1)

Publication Number Publication Date
WO2018155667A1 true WO2018155667A1 (fr) 2018-08-30

Family

ID=63253821

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/006852 Ceased WO2018155667A1 (fr) 2017-02-27 2018-02-26 Dispositif d'éclairage à del

Country Status (2)

Country Link
JP (1) JPWO2018155667A1 (fr)
WO (1) WO2018155667A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024032993A (ja) * 2020-03-05 2024-03-12 パナソニックＩｐマネジメント株式会社 照明器具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015230806A (ja) * 2014-06-04 2015-12-21 パナソニックＩｐマネジメント株式会社 照明器具及び照明器具のリニューアル方法
JP2017016803A (ja) * 2015-06-29 2017-01-19 パナソニックＩｐマネジメント株式会社 照明装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015230806A (ja) * 2014-06-04 2015-12-21 パナソニックＩｐマネジメント株式会社 照明器具及び照明器具のリニューアル方法
JP2017016803A (ja) * 2015-06-29 2017-01-19 パナソニックＩｐマネジメント株式会社 照明装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024032993A (ja) * 2020-03-05 2024-03-12 パナソニックＩｐマネジメント株式会社 照明器具
JP7649989B2 (ja) 2020-03-05 2025-03-24 パナソニックＩｐマネジメント株式会社 照明器具

Also Published As

Publication number Publication date
JPWO2018155667A1 (ja) 2019-12-19

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