WO2015154143A1 - Éclairage de sécurité - Google Patents

Éclairage de sécurité Download PDF

Info

Publication number
WO2015154143A1
WO2015154143A1 PCT/AU2015/050157 AU2015050157W WO2015154143A1 WO 2015154143 A1 WO2015154143 A1 WO 2015154143A1 AU 2015050157 W AU2015050157 W AU 2015050157W WO 2015154143 A1 WO2015154143 A1 WO 2015154143A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
safety
housing
safety light
light emitting
Prior art date
Application number
PCT/AU2015/050157
Other languages
English (en)
Inventor
Simon JARRETT
Original Assignee
Goshawk Engineering Pty 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
Priority claimed from AU2014901253A external-priority patent/AU2014901253A0/en
Application filed by Goshawk Engineering Pty Ltd filed Critical Goshawk Engineering Pty Ltd
Publication of WO2015154143A1 publication Critical patent/WO2015154143A1/fr

Links

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
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
    • F21S8/083—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light of bollard type, i.e. with lighting fixture integrated into the standard or mounted on top of it and having substantially the same diameter
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/0816—Strap fasteners, e.g. fasteners with a buckle
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/116—Fixing lighting devices to arms or standards
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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 a safety light, for example for indicating the presence of a fixed or temporary structure.
  • the present invention provides a safety light comprising a light emitting module, and a mounting housing that:
  • the housing includes one or more securing elements associated with the housing, the securing elements being for use in releasably and/or fixedly attaching the safety light to an article.
  • the region is an internal cavity.
  • the light emitting module includes a rigid outer body, and the internal cavity includes a tapered throughway that is shaped such that the outer body can be passed into the throughway in a first direction, and the taper inhibits the outer body passing through the throughway.
  • the mounting housing can include an annular base, and the internal cavity can include one or more well portions that are each co-axial with the throughway and have an outer diameter that is larger than that of the throughway.
  • the securing elements include one or more apertures that extend through the housing, wherein the housing can be secured to an article by extending fasteners through the apertures such that the fasteners engage the article.
  • the apertures can be parallel to the throughway.
  • each aperture includes a counterbore such that the head of a fastener can be recessed within the respective aperture.
  • the article can be a bollard or post that is embedded in the earth.
  • the safety light further comprises a cap member that includes:
  • the safety light further includes second fasteners, wherein the mounting housing can be attached to the plate member by aligning the apertures in the mounting housing with the mounting holes in the plate member, and passing the second fasteners through the aligned apertures and holes.
  • the securing elements includes a sleeve that is integral with the mounting housing, the sleeve including at least one transverse hole, whereby the sleeve can be located over a top portion of a post, and a fastener passed through the at least one transverse hole to secure the safety light to post.
  • the securing elements include connectors that are integrally formed in the mounting housing, and the safety light further includes at least one elongate fastening element that connects with the connectors, whereby the at least one fastening element can be passed around the article to releasably secure the safety light to the article.
  • the light emitting module can further include an electronic circuit with a light emitting device, and the electronic circuit is disposed within the rigid outer body.
  • the electronic circuit can include an electrical storage device for providing electrical power to the light emitting device.
  • the electrical storage device can be a rechargeable battery.
  • the rigid outer body is made of a material that is at least translucent. More preferably, the rigid outer body is sealed against water ingress. In some embodiments, the rigid outer body may also be hermetically sealed.
  • the present invention also provides a mounting housing for assembly with a light emitting module to provide a safety light, the mounting housing:
  • the mounting housing is made of a translucent material, such that light emitted from the light emitting module can pass through the mounting housing;
  • the present invention also provides a light unit comprising:
  • an electrical circuit that has an energy harvesting device, one or more light emitting devices, and a magnetic switch that is normally closed, the electrical circuit being configured such that electrical energy harvested by the energy harvesting device can be supplied to the electrical storage device, and such that electrical energy can be supplied to the light emitting devices,
  • the electrical circuit further includes a light sensing switch that is closed when the sensed light level is below a predetermined light level, and is open when the sensed light level is above the predetermined light level.
  • the energy harvesting device can be a solar cell.
  • the electrical circuit can be configured such that when the output voltage of the solar cell is below a predetermined threshold, electrical energy is supplied to the light emitting devices.
  • a portion of the outer body is shaped to define an optical lens that directs light contacting the outer surface of the lens towards the solar cell.
  • the body can be formed of an outer shell that is filled with a settable plastic after the electrical storage device and electrical circuit have been disposed in the outer shell.
  • the light unit can be permanently hermetically sealed.
  • the light unit is a light emitting module for assembly with a mounting housing to form a safety light, as previously described.
  • the present invention also provides a safety system for a mining site, the system comprising two or more sets of safety lights, the safety lights in each set having a colour and/or strobing pattern that is unique to that set, and wherein each set is representative of a predetermined warning, hazard, or operating requirement within the mine site.
  • Figure 1 is a top view of a safety light according to a first embodiment of the present invention
  • Figure 2 is a perspective view of the safety light of Figure 1 ;
  • Figure 3 is a partially assembled view of the safety light of Figure 1 ;
  • Figure 4 is a lower perspective view of the housing of the safety light of
  • Figure is a perspective view of the safety light of Figure 1 attached to bollard;
  • Figure 6 is a schematic plan view of the housing of Figure 1 ;
  • Figure 7 is a cross section view of the housing as viewed along the line X-X in
  • Figure 8 is an upper perspective view of a housing for a safety light according to a second embodiment of the present invention.
  • Figure is a lower perspective view of the housing of Figure 8.
  • Figure is a bottom view of the housing of Figure 8;
  • Figure 1 1 is a cross section view of the housing as viewed along the line Y-Y in Figure 10;
  • Figure 12 is an lower perspective view of a housing for a safety light according to a third embodiment of the present invention.
  • Figure 13 is a bottom view of the housing of Figure 12;
  • Figure 14 is a perspective view of a safety light according to a fourth embodiment of the present invention, the safety light being attached to the top of a star post;
  • Figure 15 is a view of the safety light and star post of Figure 14, showing the light emitting module in an illuminated state;
  • Figure 16 is a partially assembled view of the safety light of Figure 14;
  • Figure 17 is a lower perspective view of the cap member of the safety light of
  • Figure 18 is an exploded view of the safety light and star post of Figure 14;
  • Figure 19 is a perspective view of the housing of Figure 12 and a strap for securing to a scaffold tube;
  • Figure 20 is an end view of the housing, strap and scaffold tube of Figure 19;
  • Figure 21 is a front view of the housing of Figure 12 and a strap for securing to a temporary bollard;
  • Figure 22 is a side view of the housing and strap of Figure 21 ;
  • Figure 23 is a front view of the housing and strap of Figure 21 attached to the top of a temporary bollard;
  • Figure 24 is a perspective view of the safety light of Figure 1 , the safety light being attached to the top of a temporary bollard;
  • Figure 25 is a schematic side view of a light emitting module according to a fifth embodiment of the present invention, showing the light emitting module in a deactivated state;
  • Figure 26 is a schematic side view of the light emitting module of Figure 25, showing the light emitting module in an activated state; and
  • Figure 27 is a schematic plan view of a safety system for a mining site in accordance with sixth embodiment of the present invention.
  • FIGS 1 to 3 show a safety light 10 according to a first embodiment of the present invention.
  • the safety light 10 includes a light emitting module 12, and a mounting housing 14.
  • the housing 14 defines a region, which in this embodiment is in the form of an internal cavity 16, into which the light emitting module 12 is to be disposed.
  • the housing 14 is made of a translucent material such that light emitted from the module 12 can pass through the housing 14.
  • the housing 14 has securing elements that are for use in releasably and/or fixedly attaching the safety light 10 to an article. The securing elements of this embodiment are described in further detail below.
  • the term "translucent” is to include “transparent” and "semi-transparent".
  • the safety light 10 can be secured to an article and, at least during periods of low light and darkness, the module 12 activated to emit light, which can pass through the housing 14.
  • the safety light 10 can be secured to the top of a bollard B.
  • the safety light 10 can be retrofitted to a pre-existing bollard; for example, after the bollard has been installed in the ground.
  • light that is emitted radially outwardly of the module 12 - and thus also radially outwardly of the bollard B - passes through housing 14 and is visible to people nearby the bollard B. This has the advantage of increasing the likelihood of the presence of the bollard B being recognized, which reduces the likelihood of equipment being damaged, and/or people being injured.
  • the housing 14 is shown in greater detail in Figures 4, 6 and 7.
  • the internal cavity 16 includes a throughway 18, which is tapered such that the throughway 18 narrows towards the upper side of the module 14.
  • the diameter of the throughway 18 at the upper side of the module 14 is indicated by reference numeral d ⁇
  • the diameter of the throughway 18 that is closest to the base of the module 14 is indicated by reference numeral d 2 .
  • cross sections of the throughway 18 are circular, such that the throughway 18 has a generally frustoconical shape.
  • the light emitting module 12 has a rigid outer body 20, which in this embodiment is cylindrical.
  • the housing 14 is made of a material that is resiliently deformable, relative to the outer body 20.
  • the outer body 20 can be passed into the throughway 18 in a first direction, from the base side of the housing 14, as indicated by block arrow A in Figure 3.
  • the taper of the throughway 18 inhibits the outer body 20 passing entirely through the throughway 18.
  • the module 12 has an interference fit within the throughway 18.
  • the narrowest diameter d- ⁇ of the throughway 18 is such that the module 12 can be disposed within the throughway 18 such that the upper sides of the module 12 and housing 14 are flush with one another.
  • the housing 14 has an annular base 22.
  • the internal cavity 16 of this particular embodiment further includes three well portions 24, 26, 28 that are each co-axial with the throughway 18.
  • the well portions 24, 26, 28 all have an outer diameter that is larger than that of the throughway 18.
  • the outer diameters of the well portions 24, 26, 28 increase relative to the or each well portion that is closer to the throughway 18. In other words, the outer diameters of the well portions 24, 26, 28 increase with proximity to the base 22.
  • the well portions 24, 26, 28 facilitate locating the safety light 10 on cylindrical objects, such as posts and bollards, of various diameters. Alternatively or additionally, the well portions 24, 26, 28 facilitate locating the safety light 10 on domed surfaces.
  • the mounting housing 14 can be made of plastics materials, such as polycarbonate, polypropylene, polyethylene, or exotic plastics (including high performance plastics).
  • the mounting housing 14 can include light diffusing elements that diffuse light passing through the housing.
  • the light diffusing elements are in the form of voids and/or entrained gas bubbles that assist in diffusing light passing through the housing 14.
  • the mounting housing includes voids that are formed by inserts that are placed in the injection moulding tool. The use of mould inserts can be advantageous in forming voids that optimally diffuse light passing through the mounting housing.
  • the light emitting module 12 further includes an electronic circuit (not shown) that is disposed within the rigid outer body.
  • the circuit includes a light emitting device 34, an electrical storage device for providing electrical power to the light emitting device 34, and an energy harvesting device.
  • the electrical storage device is a rechargeable battery (not shown)
  • the energy harvesting device is a solar cell 36. As will be appreciated, electrical energy that is harvested by the solar cell 36 is supplied to the battery.
  • the rigid outer body 20 is at least sealed against water ingress, and in some embodiments, the outer body 20 may also be hermetically sealed. As is evident from Figure 3, the outer body 20 is made of a material that is at least translucent. Thus, the module 12 is a sealed, self-contained unit.
  • the light diffusing elements of the mounting housing 214 are linear diffusing ribs 219 that each have a generally triangular prism shape.
  • the securing elements of the housing 214 of a safety light includes in loops 254, 256 formed with the mounting housing 214.
  • Each loop 254, 256 defines an aperture 230, 232.
  • the safety light 210 further includes at least one elongate fastening element (not shown in Figures 12 and 13), which can be in the form of one or more straps that can each be passed through the apertures 230, 232.
  • the strap(s) can be passed around the article to releasably secure the safety light to that article.
  • the housing 214 includes locating formations to facilitate locating a safety light including the housing 214 on an article.
  • the locating formations include two notches 260, 262 on opposing sides of the base 222.
  • the notches 260, 262 facilitate locating the housing 214 over the T-shaped handle formed at the upper end of a "T-Top" temporary bollard.
  • the two notches 260, 262 are spaced alternately and equiangularly with the loops 254, 256 around the base 222 of the housing 214.
  • the locating formations also include four circular arc segments 264, 266, 268, 270 formed in the base 222.
  • the arc segments are shaped to facilitate locating the housing 214 on a cylindrical body, such as a scaffolding tube.
  • each arc segment 264, 266, 268, 270 is located on a respective side wall of the notches 262, 264.
  • Commonly used scaffolding tube has a diameter of 65 mm, and in this embodiment each arc segment 264, 266, 268, 270 has a radius of 32.5 mm.
  • the mounting housing and cap member can have complementary interlocking features, so that the light emitting module is positioned within the internal cavity of the mounting housing, and then mounting housing connected to the cap member.
  • Figures 19 and 20 show the housing 214 together with a pair of straps 258a, 258b that each pass through a respective one of the apertures 230, 232.
  • the four arc segments 264, 266, 268, 270 are located on the outer cylindrical surface of an article, which is a section of scaffolding tube U in this example.
  • the straps 258a, 258b are passed around the tube U to releasably secure the safety light the tube U.
  • the straps 258a, 258b can include complementary sections of hook and loop fastener materials to facilitate securing the strap 258, and thus the safety light to the tube U.
  • the elongate fastening element can be a loop of elastomeric material, such as rubber, synthetic rubber material, or similar.
  • the housing can include securing pins that project outwardly, and the strap can include holes that locate over the securing pins.
  • the strap may be self locking to inhibit release of the strap and removal of the safety light.
  • the strap and/or housing may include an integrated gear rack, and on one end a ratchet within a small open case. In one example, the strap and housing may cooperate in the manner of a cable tie with the gear rack disposed on the strap, and the ratchet formed in housing.
  • Figures 21 and 22 show the housing 214 together with a pair of straps 258c, 258d that each pass through a respective one of the apertures 230, 232.
  • Each of the straps 258c, 258d is forked to have two free ends 270a, 270b, 270c, 270d.
  • the straps 258c, 258d can include complementary sections of hook and loop fastener materials to facilitate securing the straps 258c, 258d, and thus the safety light to an article.
  • FIGS 23 and 24 show a light emitting module 412 according to a fifth embodiment of the present invention.
  • the light emitting module 412 includes an electronic circuit that includes an electrical storage device, and at least one light emitting devices.
  • the electrical storage device is a rechargeable battery 472, and the circuit includes a first light emitting diode (LED) 436 that is oriented to emit light generally upwardly and radially of the module 412.
  • LED light emitting diode
  • a second LED 474 is oriented to emit light generally downwardly and radially of the module 412.
  • the second LED 474 emits light into the internal cavity 216.
  • the second LED 474 together with the ribs 219 facilitate visibility of the safety light from side aspects.
  • the electronic circuit includes an energy harvesting device in the form of a solar cell 436 that harvests energy for supply to the battery 472.
  • the module 412 has an outer body that includes an outer shell 420.
  • An optical lens 476 is formed by the outer shell 420, the lens 476 being shaped and positioned to direct light contacting the outer surface of the lens 476 towards the solar cell 436.
  • the battery 472 and the components of the electronic circuit are embedded within the outer body.
  • the battery 472 and the electronic circuit are positioned in the shell 420, and the shell 420 is filled with a settable plastic 478.
  • the electronic circuit is hermetically sealed such that ambient air, moisture and dust cannot contact the electronic circuit.
  • the supply of electrical energy is also governed by the state of the magnetic switch 480.
  • FIG 27 shows schematically a safety system 500 for a mining site S.
  • the system 500 includes two or more sets of safety lights, such as the safety lights of the previously described embodiments.
  • the system 500 has four distinct sets 501 , 502, 503, 504 of safety lights.
  • the light modules of the safety lights in each set have a colour and/or strobing pattern that is unique to that set.
  • Each set is representative of a predetermined warning, hazard, or operating requirement within the mine site S.
  • the safety lights within a set may be placed at an access point for a particular area. Alternatively or additionally, safety lights of a set may be placed on, or nearby to, particular hazards. Further, the safety lights of a set may be placed at intervals around the perimeter of a particular area.
  • system 500 is arranged such that the sets 501 , 502, 503, 504 are representative of:
  • immovable objects that may be damaged, and/or cause damage, by impact with movable objects - by the safety lights in the first set 501 being disposed on each of the immovable objects;
  • PPE person protective equipment
  • a safety light in accordance with embodiments of the present invention can be readily secured to an article - including permanent and temporary structures, objects and other installations - at any time after that article has been erected/installed. Accordingly, an article that is considered to be hazardous due to its placement and/or due to proximity to other objects can have a safety light retrofitted to the article to increase its visibility in low-light conditions.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

L'invention concerne un éclairage de sécurité comprenant un module électroluminescent et un boîtier de montage. Le boîtier de montage délimite une région à l'intérieur de laquelle le module électroluminescent est disposé. Le boîtier de montage est composé d'un matériau translucide de sorte que la lumière émise depuis le module électroluminescent puisse traverser le boîtier. Le boîtier de montage comprend un ou plusieurs éléments de fixation associés au boîtier, les éléments de fixation étant destinés à être utilisés dans la fixation amovible et/ou fixe de l'éclairage de sécurité à un article.
PCT/AU2015/050157 2014-04-07 2015-04-07 Éclairage de sécurité WO2015154143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2014901253 2014-04-07
AU2014901253A AU2014901253A0 (en) 2014-04-07 A Safety Light

Publications (1)

Publication Number Publication Date
WO2015154143A1 true WO2015154143A1 (fr) 2015-10-15

Family

ID=54287024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2015/050157 WO2015154143A1 (fr) 2014-04-07 2015-04-07 Éclairage de sécurité

Country Status (1)

Country Link
WO (1) WO2015154143A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017223448A1 (fr) * 2016-06-24 2017-12-28 Horizon Global Americas Inc. Ensemble luminaire pour sommier roulant
USD884262S1 (en) 2016-11-03 2020-05-12 Horizon Global Americas Inc. Pod light fixture
USD943140S1 (en) 2016-11-03 2022-02-08 Horizon Global Americas Inc. Orb light fixture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6220719B1 (en) * 1998-02-11 2001-04-24 Applied Innovative Technologies, Inc. Renewable energy flashlight
WO2010010070A1 (fr) * 2008-07-22 2010-01-28 Emp Design Limited Indicateur lumineux routier
WO2011106753A1 (fr) * 2010-02-28 2011-09-01 Nielson Lewis A Module d'éclairage clignotant pour cône de sécurité de circulation
US20140071681A1 (en) * 2012-03-14 2014-03-13 Project Aj, Inc. Cone light

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6220719B1 (en) * 1998-02-11 2001-04-24 Applied Innovative Technologies, Inc. Renewable energy flashlight
WO2010010070A1 (fr) * 2008-07-22 2010-01-28 Emp Design Limited Indicateur lumineux routier
WO2011106753A1 (fr) * 2010-02-28 2011-09-01 Nielson Lewis A Module d'éclairage clignotant pour cône de sécurité de circulation
US20140071681A1 (en) * 2012-03-14 2014-03-13 Project Aj, Inc. Cone light

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017223448A1 (fr) * 2016-06-24 2017-12-28 Horizon Global Americas Inc. Ensemble luminaire pour sommier roulant
USD884262S1 (en) 2016-11-03 2020-05-12 Horizon Global Americas Inc. Pod light fixture
USD936277S1 (en) 2016-11-03 2021-11-16 Horizon Global Americas Inc. Pod light fixture
USD943140S1 (en) 2016-11-03 2022-02-08 Horizon Global Americas Inc. Orb light fixture

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