EP2899454B1 - Tube lamp support and lighting device - Google Patents

Tube lamp support and lighting device Download PDF

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Publication number
EP2899454B1
EP2899454B1 EP15151263.9A EP15151263A EP2899454B1 EP 2899454 B1 EP2899454 B1 EP 2899454B1 EP 15151263 A EP15151263 A EP 15151263A EP 2899454 B1 EP2899454 B1 EP 2899454B1
Authority
EP
European Patent Office
Prior art keywords
tube lamp
fixing member
openings
hook
support
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.)
Not-in-force
Application number
EP15151263.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2899454A1 (en
Inventor
Masamichi Yamada
Tetsuya Fujioka
Naoyuki Ishikawa
Akihisa Mikawa
Hideo Kanai
Yasunari Mikutsu
Yukimi Nishi
Satoshi Tsuchiya
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP2899454A1 publication Critical patent/EP2899454A1/en
Application granted granted Critical
Publication of EP2899454B1 publication Critical patent/EP2899454B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F21V19/009—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps the support means engaging the vessel of the source
    • 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
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/031—Lighting devices intended for fixed installation of surface-mounted type the device consisting essentially only of a light source holder with an exposed light source, e.g. a fluorescent tube
    • 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
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • 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

  • Exemplary embodiments of the present disclosure generally relate to a support attached to a light fixture for a tube lamp and to a lighting device.
  • FIG. 16 An example of a conventional lighting device is shown in FIG. 16 .
  • a first socket 102 is provided at one end of a light fixture 101 and a second socket 102', forming a pair with the first socket 102, is provided at another end of the light fixture 101 opposing the first socket 102.
  • a tube lamp 200 is held by the light fixture 101 in a detachably attached (i.e., exchangeable) manner.
  • the light fixture 101 includes a reflecting plate 103 to reflect light from the tube lamp 200 towards a target to be illuminated.
  • a screw hole 105 is provided, in advance, at a center portion of the reflecting plate 103.
  • FIG. 17 there are cases in which a center portion along a longitudinal direction (i.e., length) of the tube lamp 200 bends away from the reflecting plate 103 as shown by arrow X in FIG. 17 .
  • the center portion here means an apex of a bend in the tube lamp 200 in a downward direction. The longer the tube lamp 200, the more pronounced the bend in the tube lamp 200.
  • the LED lamp includes multiple LED light sources, circuit boards, and the like (not shown in FIG. 16 and FIG. 17 ) set in an aluminum frame, and a transparent resin cover formed of polycarbonate attached to the aluminum frame to cover the multiple LED light sources.
  • the bend in the transparent resin cover due to degradation over time associated with heat from the multiple LED light sources, is more pronounced than that of a glass tube of a fluorescent lamp (i.e., tube lamp 200).
  • a number of the lighting devices 100 are set into the ceiling of a room. Accordingly, when several of the tube lamps 200 bend, the overall appearance is not good.
  • the length of the tube lamp 200 becomes shorter with respect to a distance between the first socket 102 and the second socket 102'. Accordingly, there is a possibility of the cap 201 at each end of the tube lamp 200 coming loose from the first socket 102 and the second socket 102'.
  • conventional multiple supporting attachments (not shown in FIG. 16 and FIG. 17 ) having spring properties may be provided at the light fixture 101.
  • the conventional multiple supporting attachments are provided facing a downward direction and support the tube lamp 200 at intermediate portions of the tube lamp 200 (For example, see JP-2013-026032-A ).
  • the tube lamp 200 that is detachably attached may be attached to various lighting fixtures.
  • the tube lamp 200 may be attached to ceiling-embedded lighting fixtures, ceiling projecting lighting fixtures, or the like.
  • the diameters and cross-sectional shapes of the tube lamp 200 are becoming more varied in an effort to save energy.
  • the diameter of the tube lamp 200 is becoming smaller due to the tube lamp 200 becoming thinner.
  • the LED lamp is attached to an existing light fixture for a fluorescent lamp (i.e., tube lamp 200).
  • the above-described conventional multiple supporting attachments (For example, see JP-2013-026032-A ) have a fixing structure of a particular shape with respect to the light fixture 101.
  • the above-described conventional multiple supporting attachments (For example, see JP-2013-026032-A ) are not very versatile.
  • the above-described conventional multiple supporting attachments enable, within a plane in which the tube lamp 200 is attached parallel to the reflecting plate 103, adjustment of the position of the tube lamp 200 along the longitudinal direction (i.e., length) of the tube lamp 200 and in a radial direction of the tube lamp 200.
  • the above-described conventional multiple supporting attachments do not enable adjustment in a vertical direction (i.e., height direction) with respect to the plane.
  • the above-described conventional multiple supporting attachments versatility is low due to the fixing structure with respect to the light fixture 101 being exclusive, and the above-described conventional multiple supporting attachments do not enhance appearance. More specifically, the above-described conventional multiple supporting attachments are provided facing the downward direction and support the tube lamp 200. The above-described conventional multiple supporting attachments do not efficiently suppress bending of the tube lamp 200 due to not being able to make fine adjustments in the vertical direction (i.e., height direction). Accordingly, appearance is not enhanced.
  • Tube lamp supports are disclosed in documents JP 3167942 U and US 3,011,744 A .
  • An object of the present invention is to provide a novel tube lamp support that is versatile with respect to a light fixture and enhances appearance by enabling fine adjustment in a vertical direction (i.e., height direction) with respect to a tube lamp, and a lighting device. Enabling fine adjustment in the vertical direction (i.e., height direction) with respect to the tube lamp efficiently suppresses bending of the tube lamp.
  • the novel tube lamp support including a first fixing member, and a band-shaped second fixing member.
  • the second fixing member engages the first fixing member and supports a tube lamp from below the tube lamp.
  • the second fixing member includes a first end portion having therein multiple first openings having a predetermined size provided along a longitudinal direction of the second fixing member at equally-spaced intervals, and a second end portion having therein multiple second openings provided at equally-spaced intervals.
  • the multiple second openings and the multiple first openings differ at least in one of a size of the opening and spacing of the opening.
  • An arbitrary first opening of the multiple first openings engages the first fixing member from a first side of the tube lamp and an arbitrary second opening of the multiple second openings engages the first fixing member from a second side of the tube lamp to support the tube lamp from below the tube lamp.
  • the first openings in the first end portion have a circle shape and the second openings in the second end portion have an oval shape or an oblong shape.
  • the tube lamp support is versatile with respect to a light fixture and enhances appearance by enabling fine adjustment in a vertical direction (i.e., height direction) with respect to a tube lamp, and a lighting device. Enabling fine adjustment in the vertical direction (i.e., height direction) with respect to the tube lamp efficiently suppresses bending of the tube lamp.
  • FIG. 1 is a schematic perspective view of an example of a lighting device 1 according to an embodiment of the present invention viewed diagonally from the lower right.
  • FIG. 2 is a side view of the example of the lighting device 1 according to an embodiment of the present invention.
  • the lighting device 1 includes a light fixture 10, a tube lamp 20, and a tube lamp support 30 attached to the light fixture 10.
  • the light fixture 10 includes a first socket 11 provided at one end of the light fixture 10, a second socket 11', forming a pair with the first socket 11, provided at the other end of the light fixture 10 opposing the first socket 11, and a reflecting plate 12. Caps 21 at each end of the tube lamp 20 are fit into the first socket 11 and the second socket 11'. Accordingly, the tube lamp 20 is held by the light fixture 10.
  • the tube lamp support 30 supports the tube lamp 20 from below the tube lamp 20.
  • the light fixture 10 is fixed to a ceiling (not shown in FIG. 1 and FIG. 2 ). Further, it is to be noted that the light fixture 10 is not to be limited to shown exemplary embodiments and includes various types, such as a ceiling-embedded type or a ceiling-projecting type.
  • the first socket 11 and the second socket 11' are electrically connected to the tube lamp 20 by fitting the caps 21 at each end of the tube lamp 20 into the first socket 11 and the second socket 11'.
  • the caps 21 at each end of the tube lamp 20 include an electrode (not shown in FIG. 1 and FIG. 2 ), respectively.
  • the first socket 11 and the second socket 11' are electrically connected to a power source (not shown in FIG. 1 and FIG. 2 ) via a lighting circuit (not shown in FIG. 1 and FIG. 2 ) fixed to the light fixture 10.
  • the tube lamp 20 is switched on by driving a control circuit (not shown in FIG. 1 and FIG. 2 ) that activates the lighting circuit and supplies power via the first socket 11 and the second socket 11'.
  • the reflecting plate 12 is an inverted Mt. Fuji shape and is formed by bending a thin plate.
  • the reflecting plate 12 is coated, for example, with a white coating.
  • the reflecting plate 12 reflects light outputted from the tube lamp 20 towards a target to be illuminated when the tube lamp 20 is switched on.
  • the tube lamp 20 may be a glass tube fluorescent lamp, a light emitting diode (hereinafter referred to as an LED) lamp, or the like.
  • the LED lamp includes multiple LED light sources, circuit boards, and the like (not shown in FIG. 1 and FIG. 2 ) set in an aluminum frame, and a transparent resin cover formed of polycarbonate attached to the aluminum frame to cover the multiple LED light sources.
  • the tube lamp support 30 includes a first fixing member 31 and a second fixing member 32.
  • the first fixing member 31 is fixed to the reflecting plate 12 by a screw 33 screwed into a screw hole 13 (See FIG. 5 ) provided, in advance, at a center portion of the reflecting plate 12.
  • the second fixing member 32 is then attached to the first fixing member 31.
  • FIG. 3 is a schematic perspective view of the first fixing member 31 of the tube lamp support 30 according to an embodiment of the present invention viewed diagonally from the lower right.
  • the first fixing member 31 is, for example, an approximate U shape and is formed by bending a plate of a metal material such as iron.
  • the first fixing member 31 is coated, for example, with a white coating.
  • the first fixing member 31 includes a fixing portion 31a, a first arm 31b, a second arm 31b' provided opposite the first arm 31b and forming a pair with the first arm 31b, a first hook 31c, and a second hook 31c'.
  • the fixing portion 31a is provided parallel to the reflecting plate 12.
  • the first arm 31b and the second arm 31b' extend in a downward diagonal direction from respective ends of the fixing portion 31a.
  • the first hook 31c and the second hook 31c' are formed at ends (i.e., tips) in the extended direction of the first arm 31b and the second arm 31b', respectively.
  • a screw insert hole 31d (See FIG. 6 ) is formed.
  • the screw 33 is passed through the screw insert hole 31d of the fixing portion 31a and screwed to the screw hole 13 of the reflecting plate 12. Accordingly, the first fixing member 31 is fixed to the reflecting plate 12.
  • the first arm 31b and the second arm 31b' spread out and apart from each other from respective ends of the fixing portion 31a. Both the first arm 31b and the second arm 31b' have spring properties.
  • the first hook 31c and the second hook 31c' have, for example, a width of 2 mm or less.
  • the pair of the first arm 31b including the first hook 31c and the second arm 31b' including the second hook 31c' extend, as shown in FIG. 3 , in the downward diagonal direction that is a radial direction of the tube lamp 20 and orthogonal to an axis in a longitudinal direction (i.e., length) of the tube lamp 20.
  • the first hook 31c and the second hook 31c' project in an upward direction towards the reflecting plate 12 that is an upper region of FIG. 3 .
  • FIG. 4 is a plan view of an example of the second fixing member 32 of the tube lamp support 30 according to an embodiment of the present invention.
  • the second fixing member 32 includes a band-shaped fixing body 32a formed of, for example, an elastic material having flexibility, such as silicone rubber.
  • the band-shaped fixing body 32a is formed into a belt shape and colored, for example, a milky white.
  • first openings 32b are provided along a longitudinal direction (i.e., length) of the second fixing member 32 at equal intervals of a first interval space L1.
  • second openings 32c are provided along the longitudinal direction (i.e., length) of the second fixing member 32.
  • a size of one of the second openings 32c is larger than a size of one of the first openings 32b.
  • the eight second openings 32c are provided at equal intervals of a second interval space L2.
  • the second interval space L2 is longer in the longitudinal direction of the second fixing member 32 than the first interval space L1.
  • the first openings 32b have a circle shape with a diameter L3 of 2 mm.
  • the second openings 32c have an oval shape or an oblong shape in which, with respect to one of the second openings 32c, a short diameter L4, in a short direction of the second fixing member 32, is 2 mm and a long diameter L5, in the longitudinal direction of the second fixing member 32, is 7mm.
  • the first interval space L1 is 5 mm and the second interval space L2 is 10 mm, as measured between centers of adjacent openings.
  • a third interval space L6, along the longitudinal direction of the second fixing member 32, between an outermost of the first openings 32b at one end portion of the second fixing member 32 and an outermost of the second openings 32c at the other end portion of the second fixing member 32 is 192.5 mm.
  • a fourth interval space L7, along the longitudinal direction of the second fixing member 32, between an innermost of the first openings 32b at one end portion of the second fixing member 32 and an innermost of the second openings 32c at the other end portion of the second fixing member 32 is 52.5 mm.
  • the tube lamp 20 is supported from below.
  • the first openings 32b have the circle shape with the diameter L3 of 2 mm.
  • the second openings 32c have the oval shape or the oblong shape in which, with respect to each of the second openings 32c, the short diameter L4 is 2 mm and the long diameter L5 is 7mm.
  • the first hook 31c and the second hook 31c' have the width of 2 mm or less.
  • the diameter L3 of the first openings 32b and the short diameter L4 of the second openings 32c are the same as or larger than the widths of the first hook 31c and the second hook 31c'. Accordingly, one of the first openings 32b is easily engaged to the first hook 31c and one of the second openings 32c is easily engaged to the second hook 31c'.
  • FIG. 5 is a schematic perspective view of a first step of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention viewed diagonally from the lower right.
  • FIG. 6 is an enlarged view of the first fixing member 31 in the first step of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention.
  • the screw 33 is passed through the screw insert hole 31d of the first fixing member 31 and screwed to the screw hole 13 of the reflecting plate 12. Accordingly, the first fixing member 31 is fixed to the reflecting plate 12.
  • FIG. 7 is a schematic perspective view of a second step of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention viewed diagonally from the lower right.
  • the caps 21 including the electrode at each end of the tube lamp 20 are fitted into the first socket 11 and the second socket 11', respectively.
  • the tube lamp 20 When the caps 21 at each end of the tube lamp 20 are fitted into the first socket 11 and the second socket 11', the tube lamp 20 is held by the light fixture 10.
  • the first hook 31c and the second hook 31c' of the first fixing member 31 are arranged in respective radial directions of the tube lamp 20. Thus, the first hook 31c and the second hook 31c' are visible from below the lighting device 1.
  • FIG. 8 is a schematic perspective view of a third step of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention viewed diagonally from the lower right.
  • the second fixing member 32 is provided below the tube lamp 20 and arranged, in the radial direction of the tube lamp 20, in a holding manner that is an approximate semi-circle.
  • an arbitrary first opening 32b of the first openings 32b at one end portion of the second fixing member 32, arranged in the radial direction of the tube lamp 20 engages the first hook 31c at the same side as the arbitrary first opening 32b.
  • the arbitrary first opening 32b is easily engaged to the first hook 31c and the arbitrary second opening 32c is easily engaged to the second hook 31c'.
  • FIG. 9 is an enlarged view of the second fixing member 32 in a state of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention, viewed diagonally from the lower left. As shown in FIG. 9 , an eleventh opening of the first openings 32b from the outermost of the first openings 32b at one end portion of the second fixing member 32 is selected and engaged with the first hook 31c of the first arm 31b of the first fixing member 31.
  • FIG. 10 is an enlarged view of the second fixing member 32 in a state of attaching the tube lamp 20 to the lighting device 1 according to an embodiment of the present invention, viewed diagonally from the lower right.
  • a sixth opening of the second openings 32c from the outermost of the second openings 32c at the other end portion of the second fixing member 32 is selected and engaged with the second hook 31c' of the second arm 31b' of the first fixing member 31.
  • the outermost of the first openings 32b at one end portion of the second fixing member 32 and the outermost of the second openings 32c at the other end portion of the second fixing member 32 may be engaged to the first hook 31c and the second hook 31c', respectively. More specifically, the outermost of the first openings 32b and the outermost of the second openings 32c of the third interval space L6 that is 192.5 mm may be engaged to the first hook 3 1c and the second hook 31c', respectively.
  • a distance B2 between a bottom surface of the reflecting plate 12 to a center of the tube lamp 20 is 90 mm.
  • the first openings 32b have the circle shape with the diameter L3 of 2 mm.
  • the first interval space L1 is 5 mm.
  • the second openings 32c have the oval shape or the oblong shape in which, with respect to each of the second openings 32c, the short diameter L4 is 2 mm and the long diameter L5 is 7 mm.
  • the second interval space L2 is 10 mm.
  • a combination of one of the first openings 32b of the second fixing member 32 engaged to the first hook 31c of the first arm 31b of the first fixing member 31 and one of the second openings 32c of the second fixing member 32 engaged to the second hook 31c' of the second arm 31b' of the first fixing member 31 may be appropriately changed. More specifically, with the above-described configuration, adjustment of the distance B2 in increments of/at a fine pitch of 2.5 mm is possible.
  • FIG. 11 is a plan view of the binding band 41 of comparative examples.
  • FIG. 12 is a comparative example of setting the tube lamp 20 with the binding band 41 at a distance A1, in the vertical direction (i.e., height direction).
  • a single benchmark hole 43 having a circular shape and a diameter L8 of 2 mm is provided.
  • a plurality of engaging holes 44 each having a slot shape is provided. In this case, eight (i.e., multiple) engaging holes 44 are provided at equal intervals of a fifth interval space L9 of 10 mm.
  • a sixth interval space L10 between the benchmark hole 43 and an outermost of the engaging holes 44 at the other end portion of the binding band 41 is 126 mm.
  • a seventh interval space L11 between the benchmark hole 43 and an innermost of the engaging holes 44 at the other end portion of the binding band 41 is 56 mm.
  • An eighth interval space L12 between the benchmark hole 43 and a center of the innermost of the engaging holes 44 at the other end portion of the binding band 41 is 53.5 mm.
  • the distance A1 in the vertical direction (i.e., height direction), from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is shortest when the benchmark hole 43 and the innermost of the engaging holes 44 of the seventh interval space L11 of 56 mm are employed.
  • the distance A1, in the vertical direction (i.e., height direction), from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is 22.5 mm.
  • FIG. 13 is a comparative example of setting the tube lamp 20 with the binding band 41 at a distance A2 in the vertical direction (i.e., height direction).
  • the distance A2 in the vertical direction (i.e., height direction) from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is longest when the benchmark hole 43 and the outermost of the engaging holes 44 of the sixth interval space L10 of 126 mm are employed.
  • the distance A2, in the vertical direction (i.e., height direction), from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is 60.5 mm.
  • distances in the vertical direction (i.e., height direction) from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 range from 22.5 mm to 60.5 mm.
  • the plurality of engaging holes 44 are provided at equally-spaced intervals of 10 mm.
  • positioning of the center of the tube lamp 20 is possible only in increments of/at a pitch of 5 mm in the vertical direction (i.e., height direction).
  • the above-described binding band 41 forming a cantilever configuration may be lengthened to expand range. More specifically, to expand range, extending the sixth interval space L10 of the binding band 41 is conceivable.
  • the tube lamp 20 is attached at the distance A1 that is close to the bottom surface of the reflecting plate 12 as shown in FIG. 12 , the remainder of the side of the binding band 41 with the engaging holes 44 protrudes even further. Accordingly, as shown in FIG. 12 , the protruding remainder of the side of the binding band 41 with the engaging holes 44 draws apart from the reflecting plate 12, detracting from the appearance of the light fixture 10.
  • FIG. 14 is an example of setting the tube lamp 20 with the second fixing member 32 of the tube lamp support 30 according to an embodiment of the present invention at a distance B1, in the vertical direction (i.e., height direction).
  • the distance B1, in the vertical direction (i.e., height direction) from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is at its shortest. This is when the innermost of the first openings 32b and the innermost of the second openings 32c of the fourth interval space L7 of 52.5 mm are employed.
  • the distance B1 in the vertical direction (i.e., height direction), from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is 20 mm.
  • remainders of the second fixing member 32 at both ends protrude.
  • a length of each of the protruding remainders of the second fixing member 32 at both ends is approximately the same.
  • each of the protruding remainders of the second fixing member 32 contacts side surfaces of the bottom of the reflecting plate 12. Accordingly, appearance is good.
  • FIG. 15 is an example of setting the tube lamp 20 with the second fixing member 32 of the tube lamp support 30 according to an embodiment of the present invention at the distance B2, in the vertical direction (i.e., height direction).
  • the distance B2, in the vertical direction (i.e., height direction) from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is at its longest. This is when the outermost of the first openings 32b and the outermost of the second openings 32c of the third interval space L6 of 192.5 mm are employed.
  • the distance B2 in the vertical direction (i.e., height direction), from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 is 90 mm.
  • distances in the vertical direction (i.e., height direction) from the bottom surface of the reflecting plate 12 to the center of the tube lamp 20 range from 20 mm to 90 mm.
  • the multiple first openings 32b are provided at equally-spaced intervals of 5mm.
  • positioning of the center of the tube lamp 20 is possible in increments of/at the fine pitch of 2.5 mm in the vertical direction (i.e., height direction).
  • the second fixing member 32 supports the tube lamp 20 from below the tube lamp 20 and bending may be corrected with high precision in increments of/at the pitch of 2.5 mm.
  • the elastic material employed for the second fixing member 32 shown in FIG. 9 is silicone rubber colored with a white-based color.
  • This elastic material and the white-based color are the least influential to illuminating light from the tube lamp 20, and are durable with respect to ultraviolet rays or high temperature.
  • silicone rubber colored with the white-based color correction of bending of the tube lamp 20 is maintained over a long time period.
  • One of the first openings 32b of the second fixing member 32 and one of the second openings 32c of the second fixing member 32 that are to be attached to the first fixing member 31 may be selected.
  • positioning of the tube lamp 20 may be adjusted in the vertical direction (i.e., height direction).
  • bending may be reliably corrected from below the tube lamp 20. Accordingly, appearance is enhanced.
  • the tube lamp support 30 is as follows.
  • the second fixing member 32 is formed with the above-described elastic material.
  • the second fixing member 32 is flexible and easily bends. Accordingly, attaching the second fixing member 32 to the first fixing member 31 is easy.
  • one of the first openings 32b is engaged to the first hook 31c formed at the end of the extended direction of the first arm 31b of the first fixing member 31 and one of the second openings 32c is engaged to the second hook 31c' formed at the end of the extended direction of the second arm 31b' of the first fixing member 31.
  • attaching is extremely easy.
  • positioning of the tube lamp 20 may be arbitrarily adjusted in the vertical direction (i.e., height direction). Further, with the tube lamp support 30 according to the embodiment of the present invention, a large range of adjustment in the vertical direction (i.e., height direction) may be set.
  • the elastic material employed for the second fixing member 32 is silicone rubber colored with the white-based color.
  • This elastic material and white-based color are the least influential to illuminating light from the tube lamp 20.
  • Silicone rubbers are durable with respect to ultraviolet rays or high temperature. By employing silicone rubber colored with the white-based color, correction of bending of the tube lamp 20 is maintained over a long time period.
  • the second fixing member 32 is arranged around the straight-tube lamp 20 in the holding manner. Accordingly, falling of the straight-tube lamp 20 is reliably prevented.
  • the lighting device 1 is as follows.
  • the tube lamp 20 is fixed by attaching the second fixing member 32 to the first fixing member 31.
  • the first fixing member 31 is fixed to the reflecting plate 12 by the screw 33 screwed to the screw hole 13 provided, in advance, at the center portion of the reflecting plate 12. Accordingly, the tube lamp support 30 according to an embodiment of the present invention may be attached to established lighting devices 1. In addition, falling of the tube lamp 20 is prevented.
  • the second fixing member 32 includes the multiple first openings 32b at one end portion of the second fixing member 32 and the multiple second openings 32c at the other end portion of the second fixing member 32.
  • the multiple first openings 32b are provided at equal intervals of the first interval space L1.
  • the multiple second openings 32c are provided at equal intervals of the second interval space L2.
  • the size of one of the second openings 32c is larger than the size of one of the first openings 32b.
  • the second interval space L2 is longer in the longitudinal direction of the second fixing member 32 than the first interval space L1.
  • One of the first openings 32b of the second fixing member 32 and one of the second openings 32c of the second fixing member 32 are attached to the first hook 31c of the first fixing member 31 and the second hook 31c of the first fixing member 31, respectively.
  • one of the first openings 32b of the second fixing member 32 and one of the second openings 32c of the second fixing member 32 that are to be attached to the first fixing member 31 may be selected.
  • positioning of the tube lamp 20 may be adjusted in the vertical direction (i.e., height direction).
  • bending may be reliably corrected. Accordingly, appearance is enhanced.
  • the lighting device 1 there may be a plurality of the screw holes 13 at the reflecting plate 12 along the axis of the longitudinal direction (i.e., length) of the tube lamp 20 instead of the single screw hole 13 provided, in advance, at the center portion of the reflecting plate 12.
  • a plurality of the tube lamp supports 30 are attached to the plurality of the screw holes 13, respectively.
  • a plurality of the first fixing members 31 are attached to the plurality of the screw holes 13, respectively.
  • the second fixing member 32 and the binding band 41 may be attached to the plurality of the first fixing members 31.
  • the second fixing member 32 and the binding band 41 may be colored, for example, transparent or grey instead of the white-based color.
  • the first fixing member 31 may be formed of a hard resin instead of the metal material.
  • multiple tube lamps 20 may be arranged in series or parallel.
  • the tube lamp support 30 is versatile with respect to the light fixture 10 of the lighting device 1 according to an embodiment of the present invention.
  • the tube lamp support 30 may be attached to established lighting devices 1. Positioning of the tube lamp 20 may be adjusted in the vertical direction (i.e., height direction). With respect to the case of bending of the tube lamp 20, bending may be reliably corrected. Accordingly, appearance is enhanced.
  • the tube lamp support 30 prevents falling of the tube lamp 20.
  • the tube lamp support 30 and the lighting device 1 according to an embodiment of the present invention are also particularly advantageous when employed at places out of normal reach, such as in a gymnasium or an auditorium.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP15151263.9A 2014-01-23 2015-01-15 Tube lamp support and lighting device Not-in-force EP2899454B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014010235A JP6237260B2 (ja) 2014-01-23 2014-01-23 直管ランプ用支持具及び照明装置

Publications (2)

Publication Number Publication Date
EP2899454A1 EP2899454A1 (en) 2015-07-29
EP2899454B1 true EP2899454B1 (en) 2018-09-12

Family

ID=52347195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15151263.9A Not-in-force EP2899454B1 (en) 2014-01-23 2015-01-15 Tube lamp support and lighting device

Country Status (3)

Country Link
EP (1) EP2899454B1 (ja)
JP (1) JP6237260B2 (ja)
CN (1) CN104806934B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101743361B1 (ko) * 2015-11-02 2017-06-02 유니램 주식회사 엑시머램프의 방전관 접합장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011744A (en) * 1959-06-17 1961-12-05 Jr Walter Frank Morgan Fixtures for luminous tubes
JPS52143890U (ja) * 1976-04-27 1977-10-31
JPS58118615U (ja) * 1982-02-08 1983-08-12 三菱電機株式会社 円形けい光ランプの保持装置
CN201014359Y (zh) * 2007-04-05 2008-01-30 吴国庆 灯管安装连接结构
CN201593768U (zh) * 2010-02-10 2010-09-29 许桂林 轻钢架定位灯具之结构
JP3167942U (ja) * 2011-03-04 2011-05-26 アイリスオーヤマ株式会社 直管形ｌｅｄランプの落下防止器具
JP5887527B2 (ja) * 2011-07-21 2016-03-16 パナソニックＩｐマネジメント株式会社 照明器具

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2899454A1 (en) 2015-07-29
JP2015138690A (ja) 2015-07-30
CN104806934A (zh) 2015-07-29
CN104806934B (zh) 2018-09-18
JP6237260B2 (ja) 2017-11-29

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