JP2013246972A - Lighting fixture - Google Patents

Lighting fixture Download PDF

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Publication number
JP2013246972A
JP2013246972A JP2012120028A JP2012120028A JP2013246972A JP 2013246972 A JP2013246972 A JP 2013246972A JP 2012120028 A JP2012120028 A JP 2012120028A JP 2012120028 A JP2012120028 A JP 2012120028A JP 2013246972 A JP2013246972 A JP 2013246972A
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JP
Japan
Prior art keywords
socket
grounding
conductive plate
attached
painted
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.)
Pending
Application number
JP2012120028A
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Japanese (ja)
Inventor
Akihiro Hirano
晶裕 平野
Akihiro Kishimoto
晃弘 岸本
Ryusuke Kodera
隆介 小寺
Satoshi Fukano
智 深野
Masashi Takeda
征史 竹田
Original Assignee
Panasonic Corp
パナソニック株式会社
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 Panasonic Corp, パナソニック株式会社 filed Critical Panasonic Corp
Priority to JP2012120028A priority Critical patent/JP2013246972A/en
Publication of JP2013246972A publication Critical patent/JP2013246972A/en
Pending legal-status Critical Current

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Abstract

Provided is a lighting fixture capable of reliably grounding a conductive plate to a fixture main body while reducing work man-hours.
A lighting fixture S includes a fixture main body 1 attached to a construction surface and a grounding socket 2 attached to the fixture main body 1. The instrument main body 1 includes a socket attachment portion 10 made of a metal material and to which the earth socket 2 is attached. The grounding socket 2 includes a conductive plate 23 to which a ground terminal provided on a grounding base of the LED lamp is electrically connected, and a socket body 20 in which at least the conductive plate 23 is accommodated. The socket mounting portion 10 has a protrusion 10C that exposes a non-painted portion by contacting the grounding socket 2 when the grounding socket 2 is mounted. In the state where the grounding socket 2 is mounted, the conductive plate A part of 23 comes into contact with the non-painted portion of the protrusion 10C. As a result, the conductive plate 23 can be reliably grounded to the instrument body 1 while reducing the number of work steps.
[Selection] Figure 1

Description

  The present invention relates to a lighting fixture.
  In recent years, straight tube LED lamps have started to spread as an alternative light source to replace fluorescent lamps (see, for example, Patent Document 1). This LED lamp has an outer tube body formed in an elongated straight tube shape and caps provided at both ends of the outer tube body, and a plurality of LEDs (light emitting diodes) are mounted inside the outer tube body. An LED substrate is accommodated. Each base is provided with an electrode pin having the same shape as that of a fluorescent lamp standardized by JIS standards.
JP 2009-43447 A
  The LED lamp shown in Patent Document 1 described above has a conversion circuit that converts AC power supplied from the outside into DC power, and is lit by the DC power converted by the conversion circuit. There is also provided an LED lamp that is turned on when DC power is supplied from the outside. In this LED lamp, a base provided at one end of the outer tube body is a base for feeding, and a base provided at the other end is a base for grounding. And in the lighting fixture which uses such an LED lamp as a light source, the power supply socket (not shown) to which the base for power supply is attached, and the grounding socket 100 to which the base for grounding is attached are the fixture body ( (Not shown). Hereinafter, the earthing socket 100 will be described.
  As shown in FIG. 10, the grounding socket 100 includes a conductive plate 101 to which a ground terminal (not shown) of the LED lamp is connected, and it is necessary to ground the conductive plate 101 to the instrument body. There is. The grounding socket 100 is provided with an insertion hole 100A into which one end of the lead wire 102 is inserted, and the conductive plate 101 is a terminal to which one end of the lead wire 102 inserted into the insertion hole 100A is connected. A portion (not shown) is provided. Furthermore, the other end of the lead wire 102 is provided with a crimp terminal 103 for screwing to the instrument body.
  In the grounding socket 100, when the conductive plate 101 is grounded to the instrument body, one end of the lead wire 102 is connected to the terminal portion of the conductive plate 101, and the crimp terminal 103 provided at the other end of the lead wire 102 is connected. There was a problem that it had to be screwed to the main body of the instrument, and it took a lot of work.
  In addition, it is conceivable to connect the conductive plate directly to the metal part of the instrument body for earth connection. In this case, however, the metal part in contact with the conductive plate is peeled off or the metal part in contact with the conductive plate is painted. Therefore, there is a problem in that it requires masking so that it is not performed, and the number of work steps is similarly required.
  The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting fixture that can reliably connect the conductive plate to the fixture main body while reducing the number of work steps.
  The lighting fixture of this invention is equipped with the fixture main body attached to a construction surface, and the socket for earth | grounding attached to a fixture main body. The instrument main body includes a socket mounting portion made of a metal material to which a grounding socket is mounted. The grounding socket includes a conductive plate to which a ground terminal provided on the grounding cap of the LED lamp is electrically connected, and a socket main body in which at least the conductive plate is accommodated. The socket mounting part has a protrusion that exposes a non-painted part by contacting the grounding socket when the grounding socket is mounted. When the grounding socket is mounted, a part of the conductive plate is Touch the unpainted part of the protrusion.
  In this lighting fixture, the protrusion has a triangular shape in plan view, and when the grounding socket is attached, the tip of the protrusion slides on the conductive plate so that the non-painted portion becomes the tip of the protrusion. It is preferable that a part of the conductive plate is in contact with the non-painted portion of the protrusion in the exposed state where the grounding socket is attached.
  Further, in this lighting apparatus, when the grounding socket is attached, the projecting part is broken at a midpoint in the longitudinal direction of the projecting part by contacting the grounding socket, and in the state where the grounding socket is installed, the conductive plate It is also preferable that a part of the contact with the fracture surface of the protrusion.
  According to the present invention, when the earth socket is attached to the socket attachment portion, the non-painted portion is exposed at the protrusion of the socket attachment portion, and when the earth socket is attached to the socket attachment portion, a part of the conductive plate is not Since it contacts the painted portion, it is possible to obtain a lighting fixture that can reliably ground the conductive plate to the fixture body while reducing the number of work steps.
(A)-(c) is explanatory drawing explaining the principal part of the lighting fixture of Embodiment 1. FIG. (A), (b) is explanatory drawing explaining the procedure which attaches the socket for earth | ground to the socket attaching part same as the above. The earthing | grounding socket same as the above is shown, (a) is a disassembled perspective view, (b) is a partially expanded view. The socket attachment part same as the above is shown, (a) is an overall perspective view, (b) is a plan view, and (c) is a partially enlarged view. (A), (b) is explanatory drawing explaining the principal part of the lighting fixture of Embodiment 2. FIG. The socket attachment part same as the above is shown, (a) is an overall perspective view, (b) is a plan view, and (c) is a partially enlarged view. (A)-(c) is explanatory drawing explaining the principal part of the lighting fixture of Embodiment 3. FIG. (A), (b) is explanatory drawing explaining the procedure which attaches the socket for earth | ground to the socket attaching part same as the above. It is a top view of the LED lamp used for the lighting fixture of Embodiment 1-3. It is a whole perspective view of the conventional socket for earthing | grounding.
  Below, embodiment of a lighting fixture is described with reference to FIGS. This lighting fixture is attached to a ceiling surface (construction surface), for example, and is used to illuminate a room.
  First, the LED lamp 3 used for a lighting fixture is demonstrated with reference to FIG. The LED lamp 3 includes a lamp body 30 formed in an elongated straight tube shape, and bases 31 and 32 provided at both ends of the lamp body 30. One (left side in FIG. 9) base 31 is provided with a pair of L-shaped power supply terminals 33 and 33, and the other (right side in FIG. 9) base (ground base). ) 32 has a ground terminal 34 protruding therefrom. In addition, an LED substrate (not shown) on which a plurality of LEDs (light emitting diodes) are mounted is housed in the lamp body 30, and DC power supplied through a pair of power supply terminals 33 and 33. Each LED lights up.
(Embodiment 1)
The lighting fixture S of the present embodiment includes a fixture main body 1, a grounding socket 2, a power feeding socket (not shown), and the above-described LED lamp 3 as main components. In the following description, unless otherwise specified, the arrow ab direction in FIG. 3A is defined as the front-rear direction, the arrow cd direction is defined as the up-down direction, and the arrow ef direction is defined as the left-right direction. However, these directions do not define the mounting direction of the grounding socket 2. Further, in the present embodiment, since a conventionally known power supply socket is employed, description of the power supply socket is omitted.
  As shown in FIG. 3A, the earth socket 2 includes a socket body 20 and a conductive plate 23.
  The socket body 20 is formed of a box body whose lower side is curved in an arc shape, and is configured by assembling a resin body 22 having an open front surface and a resin cover 21 having an open rear surface. On both side surfaces near the upper side of the body 22, slits 22 </ b> A into which a part of a socket mounting portion 10 to be described later is inserted are provided along the front-rear direction, and above the slits 22 </ b> A, on the cover 21 side. Grooves 22B are provided to which the respective assembly pieces 21B are engaged.
  The lower end portion of the cover 21 is provided with a groove portion 21 </ b> A in which a lower surface and a front surface are opened and a ground terminal 34 protruding from the base 32 of the LED lamp 3 is slidably inserted. In addition, on both side surfaces near the upper side of the cover 21, assembly pieces 21B projecting rearward (on the body 22 side) are provided, and engaging projections 21C are provided on the distal ends of the assembly pieces 21B. Yes. Then, with the opening side (front side) of the body 22 and the opening side (rear side) of the cover 21 facing each other, the engaging protrusions 21C of each assembly piece 21B are locked to the edge portions of the corresponding groove portions 22B. Then, the cover 21 is attached to the body 22 and the socket body 20 is assembled.
  The conductive plate 23 is formed by bending a long plate-like metal plate having elasticity, and a pair of left and right contact pieces 23B and 23B that sandwich the ground terminal 34, and each upper end portion of each contact piece 23B. A connecting piece 23A for connecting the contact pieces 23B to each other and a pair of left and right contact pieces 23C, 23C provided at the upper end of the connecting piece 23A are integrally formed. Each contact piece 23C has a plate-like shape extending in the front-rear direction as shown in FIG. 3B, and is connected to the connection piece 23A at the front end portion, and the rear end portion can be bent in the left-right direction. The body 22 is disposed so as to face the corresponding slit 22A. In addition, a holding portion 23D that is curved in a cross-sectional arc shape toward the left and right outer sides is provided at the intermediate portion of each contact piece 23B, and the ground terminal 34 is sandwiched between the holding portions 23D and 23D. The ground terminal 34 is mechanically held by the conductive plate 23, and the ground terminal 34 and the conductive plate 23 are electrically connected.
  The instrument main body 1 includes a socket attachment portion 10 made of a metal material and to which the earth socket 2 is attached. As shown in FIGS. 4 (a) and 4 (b), the socket mounting portion 10 is formed in a U-shape in plan view having a rectangular cutout portion 10A, and the front end portion of the cutout portion 10A (FIG. Chamfered portions 10B and 10B are formed at the upper end portion in (b). Further, as shown in FIG. 4C, projections (projections) 10C each having a triangular shape in plan view are provided inwardly at both end portions along the front-rear direction in the notch 10A. Here, the socket mounting portion 10 is painted, and a coating film is formed on the surface of each protrusion 10C.
  Next, a procedure for attaching the grounding socket 2 to the socket attachment portion 10 of the instrument body 1 will be described with reference to FIGS. 1 and 2. As shown in FIGS. 1 (a) and 2 (a), the grounding socket 2 is brought closer to the socket mounting portion 10 of the instrument body 1 from the front side (the right side in FIG. 1 (a)) to mount the socket. Each side end of the notch 10 </ b> A of the part 10 is inserted into the corresponding slit 22 </ b> A of the socket body 20. Here, since the chamfered portions 10B and 10B are formed at the front end portion of the notch portion 10A, each side end portion of the notch portion 10A can be easily inserted into the corresponding slit 22A. Then, by inserting the socket body 20 to a position where it abuts against the rear end portion of the cutout portion 10A, the grounding socket 2 is attached to the socket attachment portion 10 as shown in FIGS. 1 (b) and 2 (b).
  Here, when the earthing socket 2 is attached to the socket attachment portion 10, each contact piece 23C of the conductive plate 23 comes into elastic contact with the corresponding protrusion 10C of the socket attachment portion 10, and the protrusion 10C slides on the contact piece 23C. As a result, the paint is peeled off by friction, and the non-painted portion (the metal of the socket mounting portion 10) is exposed. When the earth socket 2 is attached to the socket attachment portion 10, each contact piece 23 </ b> C of the conductive plate 23 comes into contact with the corresponding non-painted portion of the protrusion 10 </ b> C, and the conductive plate 23 and the socket attachment portion 10 are connected. Electrically connected. That is, according to the present embodiment, the conductive plate 23 and the socket mounting portion 10 (the instrument body 1) can be electrically connected (ground connection) simply by mounting the grounding socket 2 to the socket mounting portion 10, which is a conventional example. Compared to, work man-hours can be reduced. Further, according to the present embodiment, when the grounding socket 2 is attached to the socket mounting part 10, the non-painted portion is formed on the protrusion 10 </ b> C provided on the socket mounting part 10, and the grounding socket 2 is attached to the socket mounting part 10. In this state, the contact piece 23C of the conductive plate 23 comes into contact with the non-painted portion of the protrusion 10C, so that the conductive plate 23 can be reliably grounded to the socket mounting portion 10 (the instrument body 1).
(Embodiment 2)
Embodiment 2 of the lighting fixture S is demonstrated with reference to FIG.5 and FIG.6. In the first embodiment described above, the non-painted portion is exposed by peeling off the coating of the protrusions 10C provided on the respective side end portions of the notch portion 10A of the socket mounting portion 10, but in this embodiment, the intermediate position of the protrusion 10D is exposed. The protrusion 10D is broken at the portion of the notch 10E provided in the non-painted portion. Other configurations are the same as those of the first embodiment, and the same components are denoted by the same reference numerals and description thereof is omitted.
  The lighting fixture S of the present embodiment includes a fixture body 1 having a socket mounting portion 10, a grounding socket 2 in which a conductive plate 23 is housed in the socket body 20, a power supply socket (not shown), The above-described LED lamp 3 is provided as a main configuration. In this embodiment, since a well-known power supply socket is used, the description of the power supply socket is omitted.
  As shown in FIGS. 6 (a) and 6 (b), the socket mounting portion 10 is formed in a U shape in plan view having a rectangular cutout portion 10A, and both end portions along the front-rear direction in the cutout portion 10A. As shown in FIG. 6C, rod-like protrusions (projections) 10D are provided so as to project inward. Further, triangular notches 10E are provided on both sides in the front-rear direction of each projection 10D (left and right sides in FIG. 6C) so that the projection 10D can be broken at the notch 10E. It has become. Note that the socket mounting portion 10 of the present embodiment is also painted, and a coating film is formed on the surface of each projection 10D.
  Next, a procedure for attaching the grounding socket 2 to the socket attaching portion 10 of the instrument body 1 will be described with reference to FIG. As shown in FIG. 5A, the grounding socket 2 is brought closer to the socket mounting portion 10 of the instrument body 1 from the front side (the right side in FIG. 5A), and the notch portion 10 </ b> A of the socket mounting portion 10. Are inserted into corresponding slits (not shown) of the socket body 20. At this time, each projection 10D is broken at the notch 10E by the rear surface of the socket body 20, and a non-painted portion (uncoated cross section) is exposed. When the grounding socket 2 is inserted to a predetermined position, as shown in FIG. 5B, the contact piece 23C of the conductive plate 23 comes into elastic contact with the non-painted portion of the protrusion 10D, and the conductive plate 23 and the socket mounting portion 10 Are electrically connected. That is, according to the present embodiment, the conductive plate 23 and the socket mounting portion 10 (the instrument body 1) can be electrically connected (ground connection) simply by mounting the grounding socket 2 to the socket mounting portion 10, which is a conventional example. Compared to, work man-hours can be reduced. Further, according to the present embodiment, when the earth socket 2 is attached to the socket attachment portion 10, the non-painted portion of the protrusion 10 </ b> D provided on the socket attachment portion 10 is exposed, and the earth socket 2 is attached to the socket attachment portion 10. In this state, the contact piece 23C of the conductive plate 23 contacts the non-painted portion of the protrusion 10D, so that the conductive plate 23 can be securely connected to the socket mounting portion 10 (the instrument body 1).
(Embodiment 3)
Embodiment 3 of the lighting fixture S is demonstrated with reference to FIG.7 and FIG.8. In the first embodiment described above, the non-painted portion is exposed by peeling off the coating of the projections 10C provided on the respective side end portions of the notch portion 10A of the socket mounting portion 10, but in this embodiment, the front end of the notch portion 10A is exposed. A protrusion is formed by the corner portion 10F of the chamfered portion 10B provided in the portion, and the non-painted portion (the metal of the socket mounting portion 10) is exposed by peeling off the coating of the corner portion 10F. Other configurations are the same as those of the first embodiment, and the same components are denoted by the same reference numerals and description thereof is omitted.
  The lighting fixture S of the present embodiment includes a fixture body 1 having a socket mounting portion 10, a grounding socket 2 in which a conductive plate 23 is accommodated in the socket body 20, a power supply socket (not shown), The LED lamp 3 is provided as a main configuration. In this embodiment, since a well-known power supply socket is used, the description of the power supply socket is omitted.
  As shown in FIG. 7A, the socket mounting portion 10 is formed in a U-shape in plan view having a rectangular cutout portion 10A, and the front end portion of the cutout portion 10A (the right end portion in FIG. 7A). The chamfered portions 10B and 10B are formed in each of the chamfered portions 10B, and the protruding portions are formed by the rear corners 10F of the chamfered portions 10B. In addition, the socket mounting part 10 of this embodiment is also coated, and a coating film is formed on the surface of each corner part 10F.
  Next, a procedure for attaching the grounding socket 2 to the socket attaching portion 10 of the instrument body 1 will be described with reference to FIGS. As shown in FIGS. 7A and 8A, the grounding socket 2 is brought closer to the socket mounting portion 10 of the instrument body 1 from the front side (the right side in FIG. 7A) to mount the socket. Each side end of the notch 10 </ b> A of the part 10 is inserted into the corresponding slit 22 </ b> A of the socket body 20. Here, since the chamfered portions 10B and 10B are formed at the front end portion of the notch portion 10A, each side end portion of the notch portion 10A can be easily inserted into the corresponding slit 22A. Then, by inserting the socket body 20 to a position where it abuts against the rear end portion of the notch portion 10A, the grounding socket 2 is attached to the socket attachment portion 10 as shown in FIGS. 7B and 8B.
  Here, when the earthing socket 2 is attached to the socket attachment portion 10, each contact piece 23C of the conductive plate 23 is brought into elastic contact with the corresponding corner portion 10F of the socket attachment portion 10, and the corner portion 10F is brought into contact with the contact piece 23C. By sliding, the paint is peeled off by friction, and the non-painted portion (the metal of the socket mounting portion 10) is exposed. Then, in a state where the earthing socket 2 is attached to the socket attaching portion 10, as shown in FIG. 7C, each contact piece 23C of the conductive plate 23 comes into contact with a non-painted portion of the corresponding corner portion 10F. The conductive plate 23 and the socket mounting portion 10 are electrically connected. That is, according to the present embodiment, the conductive plate 23 and the socket mounting portion 10 (the instrument body 1) can be electrically connected (ground connection) simply by mounting the grounding socket 2 to the socket mounting portion 10, which is a conventional example. Compared to, work man-hours can be reduced. Further, according to the present embodiment, when the earth socket 2 is attached to the socket attachment portion 10, the non-painted portion is formed in the corner portion 10 </ b> F provided in the socket attachment portion 10, and the earth socket 2 is attached to the socket attachment portion 10. In the attached state, the contact piece 23C of the conductive plate 23 comes into contact with the non-painted portion of the corner portion 10F, so that the conductive plate 23 can be reliably grounded to the socket mounting portion 10 (the instrument body 1).
  Note that the protrusions described in the first to third embodiments are examples, so long as the non-painted portion is exposed by contacting the grounding socket when the grounding socket is attached to the socket mounting portion. Others may be used. Moreover, although the straight tube type LED lamp was demonstrated to the example in above-mentioned Embodiment 1-3, what is necessary is just to provide the ground terminal in one nozzle | cap | die, and it is not limited to a straight tube type LED lamp. Furthermore, although the socket attachment part was demonstrated as a part of an instrument main body in the above-mentioned Embodiments 1-3, the socket attachment part may be a separate component from the instrument main body and attached to the instrument main body.
DESCRIPTION OF SYMBOLS 1 Apparatus body 2 Earth socket 10 Socket mounting part 10C Protrusion (projection)
20 Socket body 23 Conductive plate S Lighting equipment

Claims (3)

  1. An instrument body attached to the construction surface, and a grounding socket attached to the instrument body,
    The instrument body comprises a socket mounting portion to which the socket for grounding is made of a metal material,
    The grounding socket comprises a conductive plate to which a ground terminal provided on a grounding cap of an LED lamp is electrically connected, and a socket body in which at least the conductive plate is accommodated,
    The socket mounting portion has a protrusion such that a non-painted portion is exposed by contacting the grounding socket when the grounding socket is mounted, and in the state where the grounding socket is mounted, the conductive portion A part of a plate is in contact with the non-painted portion of the protrusion.
  2.   The projection has a triangular shape in plan view, and the tip of the projection slides on the conductive plate when the grounding socket is attached, so that the non-painted portion becomes the tip of the projection. The lighting apparatus according to claim 1, wherein a part of the conductive plate is in contact with the non-painted portion of the projection in a state where the grounding socket is attached.
  3.   The protrusion breaks at a midpoint in the longitudinal direction of the protrusion by contacting the grounding socket when the grounding socket is attached, and in the state where the grounding socket is attached, the conductive plate The lighting fixture according to claim 1, wherein a part of the lighting fixture is in contact with a fracture surface of the protrusion.
JP2012120028A 2012-05-25 2012-05-25 Lighting fixture Pending JP2013246972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012120028A JP2013246972A (en) 2012-05-25 2012-05-25 Lighting fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012120028A JP2013246972A (en) 2012-05-25 2012-05-25 Lighting fixture

Publications (1)

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JP2013246972A true JP2013246972A (en) 2013-12-09

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Family Applications (1)

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JP2012120028A Pending JP2013246972A (en) 2012-05-25 2012-05-25 Lighting fixture

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004206918A (en) * 2002-12-24 2004-07-22 Toshiba Lighting & Technology Corp Connecting fitting and lighting device
JP2011044247A (en) * 2009-08-19 2011-03-03 Panasonic Electric Works Co Ltd Lighting fixture
JP2012009393A (en) * 2010-06-28 2012-01-12 Panasonic Electric Works Co Ltd Lighting fixture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004206918A (en) * 2002-12-24 2004-07-22 Toshiba Lighting & Technology Corp Connecting fitting and lighting device
JP2011044247A (en) * 2009-08-19 2011-03-03 Panasonic Electric Works Co Ltd Lighting fixture
JP2012009393A (en) * 2010-06-28 2012-01-12 Panasonic Electric Works Co Ltd Lighting fixture

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