• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    REFRACTIVE OPTICS TO PROVIDE UNIFORM LIGHTING IN A SHOWCASE. It is a lighting setup for a showcase, where the lighting setup is mounted next to the showcase and includes a visibility wrapper within which a showcase observer cannot see. The lighting assembly includes an elongated frame provided for receiving modular inserts and at least one modular insert operatively connected with the elongated frame. The at least one modular insert includes a light module. where the light module includes an optical lens and a light source. The optical lens is arranged on and / or around the light source and is arranged exclusively within the visibility envelope. The optical lens is designed to control the light emitted from the light source using total internal reflection and refraction.
    公开号:BR112012010040A2
    申请号:R112012010040-8
    申请日:2010-10-27
    公开日:2020-08-18
    发明作者:William David Sekela；Mathew Sommers；Mark Kaminski；Todd Cassidy；Samantha Schultz
    申请人:GE Lighting Solutions, LLC；
    IPC主号:
    专利说明:

    Invention Patent Descriptive Report for "REPORTED OPTICS"
    FRACTIVE TO PROVIDE UNIFORM LIGHTING IN A SHOWCASE ". - CROSS REFERENCE TO RELATED APPLICATION This order claims the benefit of US Provisional Order No. 61 / 255.287, filed on October 27, 2009, incorporated in this document in its entirety by reference.
    BACKGROUND The present illustrative embodiments are generally related to lighting assemblies. They find particular application in con- together with lighting showcases (for example, refrigerated commercial showcases), and will be described with particular reference to them. However, it is to be appreciated that the present illustrative embodiments are also —receptive for other similar applications.
    Lighting mounts are used to illuminate showcases, such as commercial refrigeration showcases, as well as other showcases that do not need to be refrigerated. Typically, lighting assemblies use a fluorescent tube to illuminate products displayed in a showcase. However, fluorescent tubes are being deactivated in favor of LED technology.
    Fluorescent tubes do not have a life span like a typical LED and, at least for refrigerated display cases, starting the arc required to light a fluorescent tube is difficult. In addition, fluorescent tubes are relatively inefficient compared to LEDs since fluorescent tubes produce more heat than LEDs and provide less control over the direction of light.
    Known lighting assemblies often suffer from a number of problems when they light shop windows. As discussed below, these problems can include issues regarding efficiency, uniformity of lighting, customization and maintenance.
    Light mounts often allow light to escape from the showcase and flow outwards. However, this light could be put to better use by lighting the item (items) in the showcase, whereby less powerful light sources and / or fewer light sources could be used.
    In addition, lighting assemblies generally do not illuminate a showcase uniformly. Namely, such assemblies generally fail to direct enough light to the center of a showcase, resulting in much greater lighting in front of a shank compared to the center of the showcase. However, uniform luminance is preferable as it makes the use of available luminance more efficient and may allow fewer light sources and / or less powerful light sources. - In addition, the optics and / or light sources of lighting assemblies are often visible to consumers. However, 'tests with consumers have shown that it is desirable to keep the optics and / or light sources of a lighting assembly out of sight of an observer in the window.
    In addition, existing lighting assemblies are usually built with a fixed configuration in mind, so changing the configuration requires a new mechanical and / or electrical design. However, this can add unnecessary expense when unconventional configurations are needed.
    In addition, existing lighting assemblies generally lack any form of component replacement. When a component fails, the entire lighting assembly usually needs to be replaced. This can become costly for those who operate a large number of lighting assemblies.
    The present disclosure contemplates new and improved systems and / or methods addressing these and other problems.
    BRIEF DESCRIPTION Several details of the present revelation are summarized going forward to provide basic understanding. This summary is not an extensive overview of the disclosure and is not intended to identify any
    disclosure, nor to outline the scope of the disclosure. Instead, the main purpose of the summary is to present some concepts of the revision in a simplified way before the more detailed description that is - presented below.
    According to one aspect of the present disclosure, a lighting mount to illuminate a showcase is provided. The lighting assembly includes an elongated frame and several modular inserts. The modular inserts are connected so that they can be removed with the elongated frame and include several light modules. Each of the various light modules is electrically coupled so that they can be removed with adjacent light modules.
    - In accordance with another aspect of the present disclosure, a lighting assembly is provided to illuminate a showcase. The lighting mount is mounted next to the showcase and includes a visibility wrap inside which a viewer cannot see. The assembly includes a light source and a lens arranged on and / or around the light source. The lens is arranged exclusively within the visibility envelope and designed to control the light emitted from the light source using total internal reflection and reflection.
    According to another aspect of the present disclosure, a lighting assembly is provided to illuminate a showcase. The lighting mount is mounted next to the showcase and includes a visibility wrap inside which an observer of the showcase cannot see. The assembly includes an elongated frame provided for receiving modular inserts and a modular insert operatively connected with the elongated frame. The at least one modular insert includes a light module having a lens and a light source, where the lens is arranged on and / or around the light source and exclusively within the visibility envelope, where the lens is made to control the light emitted from the light source using total internal reflection and refraction.
    According to one aspect of the present invention, an optical assembly is provided. The optical assembly includes a light source, a reflector to reflect Juz emitted by the light source, and an optical lens arranged on and / or around the light source. The optical lens is configured to direct the light emitted from the light source using refraction and in- reflection. total tender.
    BRIEF DESCRIPTION OF THE DRAWINGS The following description and drawings show some illustrative implementations of the revelation in detail, which are indicative of various illustrative ways in which the various principles of the revelation can be realized. However, the illustrative examples are not exhaustive of the various possible embodiments of the disclosure. Other objectives, advantages and new aspects of the disclosure will be exposed in the detailed description below of the disclosure when considered together with the drawings, in which: 7 FIGURE 1 is a plan view of a commercial refrigeration showcase; FIGURE 2 is an exploded view of a lighting assembly; FIGURE 3 is a cross-sectional view of a lighting assembly; FIGURE 4 is a perspective view of a light module; FIGURE 5 is a cross-sectional view of the light module of FIGURE 4; FIGURE 6 is a cross-sectional view of a light module; FIGURE 7 is a perspective view of a spacer module; FIGURE 8 is an exploded view of a lighting assembly; FIGURE 9 is a cross-sectional view of a lighting module; FIGURE 10 is a perspective view of a light module; FIGURE 11 is a cross-sectional view of the light module of FIGURE 10: and FIGURE 12 is a cross-sectional view of a light module. . DETAILED DESCRIPTION One or more embodiments or implementations are described hereinafter in conjunction with the drawings, where equal reference numbers are used to refer to equal elements throughout, and where the various aspects are not necessarily drawn to scale . With reference to FIGURE 1, a typical refrigerated display case 100 is illustrated. The refrigerated display case 100 has a hold and a - frame assembly 102 mounted on the front of display case 100. The door and frame assembly 102 includes side frame members 104, 106 and top and frame members. bottom 108, 110 that interconnect side frame members 104, 106. Doors 112 are mounted next to frame members 104, 106, 108, 110 via hinges 114. Doors 112 include glass panels 116 retained in the frames 118 and handles 120 can be provided on the doors. The vertical bars 122 mounted next to the upper and lower frame members 108, 110 to provide door stops and connection points for doors 112 and / or hinges 114.
    The lighting assemblies disclosed in this document can be used properly within a display case, such as the refrigerated display case 100, as well as in various other applications. In addition, the showcase can employ different configurations of the refrigerated showcase 100. For example, the showcase can be a refrigerated showcase without doors. As another example, the showcase can be a showcase with legs or built-in. Referring to FIGURE 2, an exploded view of a lighting assembly 200 is illustrated. Lighting assembly 200 may include an elongated frame 202, one or more modules 204, one or more electrical cables 206, one or more spacers 208, the end caps 210, 212, and a cover (not shown). Suitably, the lighting assembly 200 is mounted vertically against a standard vertical bar, such as the vertical bar 122 shown in FIGURE 1, and therefore can have a width that is substantially one bar. standard vertical. Frame 202 substantially defines the body of the lighting assembly 200 and provides a structure on which to hold modules 204 and / or spacers 208. Modules 204 and / or spacers 208 are hereinafter referred to as modular inserts. Suitably, the modular inserts are slidably secured to the frame 202 via a channel defined by opposite slots passing along the length of the frame 202. In such embodiments, each of the modular inserts includes opposite flaps that they engage with opposite slots, thereby limiting the range of motion of the modular inserts to movement 7 along the length of the frame 202. The end caps 210, 212 then prevent the modular inserts from sliding out of the frame 202. Referring to Referring to FIGURE 3, a cross-sectional view of a lighting assembly 300 illustrates the groove and flap engagement system. In this regard, a frame 302 of the lighting assembly 300 included opposite grooves 304, 306 extending along the length of the frame 302. The opposite flaps 308, 310 in a modular insert 312 then engage with the grooves 304, 306 so limiting the movement of the modular insert 312 to movement along the length of the frame
    302. Referring again to FIGURE 2, frame 202 is preferably comprised of a polymeric material, in order to reduce the costs associated with mounting lighting 200. However, frame 202 does not necessarily have to be polymeric, whereby the frame 202 can, for example, be comprised of a thermally conductive material, such as aluminum, so as to act as a heat sink and facilitate the heat transfer away from the lighting assembly 200. Modules 204 are suitably white in order to reflect
    remove the light away from modules 204, however, other colors are equally accessible. For example, according to frame 202, modules 204 may be comprised of a thermally conductive material, such as - aluminum, in order to act as a heat sink and to facilitate the transfer of heat away from the lighting assembly 200 .
    So that energy can be transferred from one end 214, 216 of the lighting assembly 200 to the other end 214, 216 of the lighting assembly 200, modules 204 can be interconnected with one or more electrical cables 206. Electrical cables 206 can pass through the slots at the bottom of modules 204 and / or spacers 208. Additionally, or alternatively, cables - electrical 206 can be arranged inside modules 204 and / or spacers 206. In such embodiments, each module and / or spacer preferably has an electrical cable passing through it between a pair of connectors, where the connectors of adjacent modules and / or spacers provided for mechanically coupling with each other and electrically connect the individual electrical cables.
    Modules 204 can include at least one of one or more light modules 218, one or more power modules 220, and so on. Light modules 218 can provide illumination for a showcase and can include one or more light sources. Suitably, the light sources include one or more LEDs. Power modules 220 can provide lighting for a showcase and / or provide power for light modules 218. Appropriately, power modules 220 receive power from an external power source and are arranged at the distal ends 214, 216 of frame 202, so as to easily receive power from the external power supply. Power modules 220 may include one or more of a light module, a power regulating circuit, an energy conditioning circuit, and so on.
    The energy regulating circuit regulates the current flow through modules 204 in order to allow the lighting assembly 200 to dynamically adapt an increased load; for example, an additional light module.
    This is preferably done with a simple DC-DC converter, but other devices for doing this are also designed. viable.
    The power conditioning circuit can convert AC voltage to AC voltage.
    For example, the power conditioning circuit can convert 12 or 24º alternating current electric voltage to a direct current electrical voltage.
    The power conditioning circuit can additionally, or alternatively, correct the polarity of the incoming energy so that the power supply wires connecting the 220 + power module can be connected without having to worry about which wire is connected. with which element in the energy conditioning circuit. : Spacers 208 serve to guide modules 204 within frame 202 and suitably include openings 222 to receive modules 204. For example, a spacer module 208a may include an opening 222a for receiving a module 204a.
    The sizes of the openings 222 can vary from one spacer to another, depending on the size of the modules 204. In some embodiments, one or more spacers without openings can be additionally, or alternatively, employed.
    In order to equally space modules 204 and provide a uniform lighting pattern, spacers 208 may be of equal length.
    However, the lengths of the spacers 208 may vary from one spacer to the other and uniform spacing of modules 1204 is not required.
    For example, it may be desirable to space the modules 204 closest to the center of the lighting assembly 200 in order to increase the lighting on the center shelves of a showcase.
    In such an example, the spacers arranged in the center of the lighting assembly 200 may be shorter in length than the spacers arranged on the periphery of the lighting assembly 200. Like modules 204, the spacers 208 are suitably white reflecting the light away from the
    208, but other colors are also conceivable. In addition, spacers 208 are suitably comprised of a polymeric material in order to reduce costs associated with lighting assembly 200, but other materials are also conceivable. For example, spacers 208 are suitably comprised of a polymeric material, in order to reduce costs associated with lighting assembly 200, however, other materials are also conceivable. For example, spacers 208 can be comprised of a thermally conductive material, such as aluminum. End caps 210, 212 are attached to distal ends 214, 216 of frame 202 and are used to hold modules - 204 and / or spacers 208 within frame 202. Additionally, end caps 210, 212 can provide a mounting structure to facilitate the connection of the lighting assembly 200 with a display case. However, the lighting assembly 200 can also be mounted next to the showcase using other devices. For example, frame 202 can be mounted directly next to the vertical bar using mechanical fasteners, such as screws. Although not shown, lighting assembly 200 may include a cover that is mounted next to frame 202 and includes a clear and / or translucent part that allows light to pass through it. The translucent part of the cover can be colored to adjust the color of the light emitted by the lighting assembly 200. With reference to FIGURES 4 and 5, a light module is illustrated
    400. FIGURE 4 is a perspective view of light module 400, and FIGURE 5 is a cross-sectional view of light module 400. As mentioned above, the light modules provide lighting for a showcase and may include one or more more light sources, such as LEDs. The light module 400 may include a housing 402, a printed circuit board 404, one or more light sources 406, an optical lens 408, opposite flaps 410, 412, and a conduit 414. Housing 402 is suitably white to facilitate the reflection of light away from housing 402. In addition, housing 402 is suitably comprised of a polymeric material, in order to reduce the cost and weight of light module 400. Meanwhile, housing 402. it does not necessarily have to be white and / or formed of a polymeric material. For example, housing 402 may alternatively be formed of a thermally conductive material, such as aluminum.
    The 406 light sources provide luminance for the showcase using the lighting assembly associated with the 400 light module. Suitably, the 406 light sources include one or more LEDs.
    406 light sources can be selected to control the Color Correlated Temperature (CCT), the Light Supply Index (CRI) and others - similar characteristics of light.
    The printed circuit board 404 is arranged inside the '402 housing and includes a lower surface opposite to an upper surface, where the light sources 406 are mounted close to the upper surface.
    The printed circuit board 404 includes a metal core printed circuit board ("MCPCB"), however, other circuit boards are also conceivable.
    In addition, the printed circuit board 404 may include a rectangular configuration extending along the length of the! Uz 400 module, however, other configurations are equally conceivable.
    Suitably, the printed circuit board 404 includes several strokes electrically connecting the 406 light sources with electrical power cables interconnecting the lighting assembly modules.
    The optical lens 408 is arranged on and / or around the light sources406. Suitably, the optical lens 408 directs the light emitted from the light sources 406 so that most of the light is emitted to the sides of the optical lens 408. Advantageously, this allows the profile of the lighting assembly be very thin, thereby preventing a consumer looking inside the window to see the lens and / or light sources.
    The optical material of the optical lens 408 can be colored to remove light components passing through the optical lens 408. Additionally, the optical lens 408 can include one or more of an anti-aging coating.
    foggy, anti-glare, and reflective or something. The optical lens 408 and the printed circuit board 404 are suitably secured next to each other and to the housing 403 by means of one. super molded plastic, which defines housing 402. Meanwhile, other devices for holding optical lens 408, printed circuit board 404 and housing 402 are also conceivable. For example, said components can be secured together via tape, glue, mechanical fastener or the like. The opposite flaps 410, 412 allow the light module 400 to be slightly secured close to the frame of the lighting assembly. Knowing, as discussed above, the opposing flaps 410, 412 fit into the - grooves of the frame along the length of the lighting assembly. Conduit 414 is arranged within housing 402 and extends along its length thereby providing a channel within which electrical cables interconnecting the modules are placed. Properly, conduit 414 is large enough to receive one or more electrical cables interconnecting the modules of the lighting assembly. As mentioned above, the printed circuit board 404 is electrically coupled with the electrical cables in order to provide power to the light sources406.
    With reference to FIGURE 6, an optical lens 602 of a light module is illustrated using a cross-sectional view of a spacer 606 having a light module 604 disposed thereon. The light module 604, in addition to including the optical lens 802, includes a light source 608 surrounded by the optical lens 602, where there is an air gap 610 between the light source 608 and the optical lens 602.
    As shown, the visibility lines 612, 614 extend from the tip of the optical lens 502 to the periphery of the spacer 606. The visibility lines 612, 614 define a region 616 out of the view of a consumer looking at the window. This region 616 from now on is referred to as the visibility envelope. As mentioned above, tests with consumers have shown that it is desirable to keep the optical lens 602 and the light source 608 within the visibility envelope.
    In order to ensure that the optical lens 602 and the light source 608 É are within the visibility wrapper 616, the light source 608 and the lens. optics 602 are lowered into spacer 606. As it should be appreciated, it is more difficult to direct the light emitted from the light source 608 towards the center of the display case.
    The 602 optical lens addresses this difficulty by making use of a combination of total internal reflection and refraction.
    The optical lens 602 can include two main areas: a base area 618 and a triangular area 620. Base area 618 facilitates the refraction of light to the sides of the light source 608 and towards items within the display case, such as presented by light rays 622. However, because the light source 608 and optical lens 602 are lowered, the amount of light reaching the center of the display is limited.
    The triangular area 620 advantageously 7 remedies this by facilitating total internal reflection towards the center of the showcase, as shown by the rays of light 624. Due to the optical lens being close to the top of the visibility wrapper 616, the optical lens 602 is not so obstructed by the recess.
    Thus, the angle of light extending from the triangular area 620 may be less than the angle of light extending from the base area618. This advantageously allows a greater amount of light to be directed to the center of the showcase than would otherwise be possible with conventional optical lenses.
    In view of the aforementioned, the optical lens 602 allows the showcase to be more uniformly illuminated than would otherwise be possible.
    Additionally, optical lens 602 does this while at the same time keeping optical lens 602 and light source 608 within the visibility wrapper, which has been shown to be desirable for consumers as quoted above, by consumer testing.
    With reference to FIGURE 7, a perspective view of a spacer700 is illustrated. As mentioned above, the spacer modules serve to guide modules.
    Spacer 700 may include a housing 702, an opening 704, opposite flaps 706, 708 and a groove 710.
    The casing 702 is suitably white, in order to facilitate the reflection of light away from the casing 702. In addition, the casing 702 Ú is suitably comprised of a polymeric material, so as to re-. reduce the cost and weight of the spacer 700. The opening 704 is suitably arranged inside the housing 702 and serves to receive and hold a light module.
    The size of aperture 704 may vary depending on the size of the light module.
    The opposite tabs 706, 708 allow the spacer 700 to slide securely close to the frame of the lighting assembly.
    Namely, as discussed above, the opposite tabs 706, 708 fit within the grooves of the lighting assembly frame, thereby limiting the movement of the spacer 700 to movement along the length of the lighting assembly. : Slot 710 extends along the length of enclosure 702, thereby providing a channel within which electrical cables are placed interconnecting the modules.
    Properly, the 710 slot is large enough to receive one or more electrical cables interconnecting the lighting assembly modules.
    With reference to FIGURE 8, an exploded view of a lighting assembly 800 is illustrated. Lighting assembly 800 is similar to lighting assembly 200 described with reference to FIGURE 2. However, this lighting assembly 800 is configured to be assembled vertically in a corner of a showcase so that light is typically directed to only one side of the 800 mount. The 800 lighting mount can include an elongated 802 frame, one or more 804 modules, one or more 806 electrical cables , one or more spacers 808, end caps 810, 812, and a cover (not shown). The 802 frame is suitably L-shaped.
    In addition, frame 802 substantially defines lighting assembly 800 and provides a structure on which to hold modules 804 and / or spacers 808. Modules 804 and / or spacers 808 are hereinafter referred to as modular inserts.
    Suitably, the modular inserts are slidably secured to the frame 802 via a channel defined by opposite slots running along the length of the frame 802. In such embodiments, each of the modular inserts includes tabs: opposites that engage with the opposite grooves, thereby limiting the range of movement of the modular inserts to movement along the length of the 802 frame. The end caps 810, 812 then prevent the modular inserts from sliding out of the 802 frame. to FIGURE 9, a cross-sectional view of a lighting assembly 900 illustrates the engagement system of the grooves and the tabs. In this regard, a frame 902 of the lighting assembly 900 includes the opposite slots 904, 906 extending along the length - of the frame 902. Opposite flaps 908, 910 on a modular insert 912 then engage with the slots 904, 906, of in order to limit the movement of the modular insert 912 to the movement along the length of the frame 902.
    Referring again to FIGURE 8, the 802 frame preferably is comprised of a polymeric material, in order to reduce costs associated with mounting lighting 800. However, the 802 frame does not necessarily need to be polymeric, whereby the frame 802 may, for example, be comprised of a thermally conductive material, AL such as aluminum, in order to act as a heat sink and facilitate the heat transfer away from the lighting assembly 800.
    The 804 modules are suitably comprised of a polymeric material, in order to reduce costs associated with mounting lighting 800, however, other materials are also conceivable. For example, in the same way that with the 802 frame, the 804 modules can be comprised of a thermally conductive material, such as aluminum, in order to act as a heat sink and to facilitate the transfer of heat away from the mounting of lighting 800.
    So that energy can be transferred from one end 814, 816 of the lighting assembly 800 to the other end 814, 816 of the lighting assembly 800, modules 804 can be interconnected with one or more electrical cables 806. Electrical cables
    806 can pass through the slots in the modular inserts.
    Alternatively, the 806 electrical cables can be arranged inside the modular inserts.
    In such embodiments, each modular insert preferably 'has an electrical cable passing through it between a pair of connectors, where the connectors of adjacent modular inserts are provided to mechanically couple with each other and electrically connect the cables individual electrical devices.
    The 804 modules can include at least one of one or more 818 light modules, one or more 820 power modules, and so on. The 818 light modules can provide lighting for a showcase and can include one or more light sources.
    Suitably, light sources include one or more LEDs.
    The 820 power modules can provide lighting for a showcase and / or provide power for the 818 light modules. Suitably, the 820 power modules receive power from an external power source and are arranged at the ends distal 814, 816 of the frame 802, so as to easily receive power from the external power supply.
    The 820 power modules can include one or more of a light module, a power regulation circuit, an energy conditioning circuit, and so on.
    The energy regulation circuit regulates the current flow through the 804 modules in order to allow the lighting assembly 800 to dynamically adapt to an increased load; for example, an additional light module.
    This is preferably done with a simple DC-DC converter, however, other devices for doing this are also conceivable.
    The power conditioning circuit can convert AC voltage to AC voltage.
    For example, the power conditioning circuit can convert 120 or 240 volt AC voltage to a DC voltage.
    The energy conditioning circuit can additionally, or alternatively, correct the polarity of the
    so that the power supply wires that connect the power module 820 can be connected without having to worry about which wires i connect to which element of the power conditioning circuit. . Spacers 808 are used to orient modules 804 within the 802 frame. Properly, spacers 808 alternate with modules 804 along the length of frame 802 and have equal lengths so as to equally space modules 804 and the - provide a uniform lighting pattern. However, the lengths of the 808 spacers may vary from one spacer to another and the uniform spacing of the 804 modules is not required. For example, it may be desirable to space the nearest 804 modules in the center of the monitor. lighting 800 in order to increase the lighting on the center shelves of a showcase. In such an example, the spacers arranged in the center of the lighting assembly 800 may be of shorter lengths than the spacers arranged on the periphery of the lighting assembly 800.
    Spacers 808 are suitably white in order to reflect light away from spacers 808, however, other colors are also conceivable. Additionally, spacers 808 are suitably comprised of a polymeric material, in order to reduce costs associated with mounting lighting 800, however, other materials are also conceivable. For example, spacers 808 can be comprised of a thermally conductive material, such as aluminum. In some embodiments, when the end of a spacer is adjacent to a module, spacers 808 are formatted as module reflectors to help reflect light away from the lighting assembly. Module reflectors are discussed below.
    The end caps 810, 812 are attached close to the distal ends 814, 816 of the frame 802 and serve to hold the modular inserts (that is, the one or more among modules 804, spacers 808 and reflectors 810) inside of the 802 frame. In addition, the end caps 810, 812 provide a mounting frame to facilitate
    connect the lighting assembly 800 to a showcase. However, it must be appreciated that the lighting assembly 800 can be mounted! next to the showcase by other devices. For example, the 802 frame can be. mounted directly next to the vertical bar by means of mechanical devices Although not shown, the lighting assembly 800 may include a cover that is mounted next to the 802 frame and includes a clear and / or translucent part that allows the light pass through it.
    The translucent part of the cover can be colored to adjust the color of the light emitted by the lighting assembly 800.
    With reference to FIGURES 10 and 11, a light module 1000 is illustrated. FIGURE 10 is a perspective view of light module 1000, and FIGURE 11 is a cross-sectional view of light module 1000.
    7 As mentioned above, light modules provide illumination for a glass can include one or more light sources, such as LEDs. The light module 1000 can include one or more light sources 1002, a printed circuit board 1004, an optical lens 1006, a reflector 1008, an enclosure 1010, opposite flaps 1012, 1014, and a conduit 1016.
    The 1002 light sources provide luminance for the showcase using the lighting assembly associated with the light module
    1000. Appropriately, the light sources include one or more LEDs. Light sources 1002 can be selected to control the Correlated Color Temperature (CCT), the Color Generation Index (CRI) and other similar characteristics of the light.
    The printed circuit board 1004 is arranged inside the housing 1010 and includes a lower surface opposite to an upper surface, where the light sources 1002 are mounted close to the upper surface. Printed circuit board 1004 may include a metal core printed circuit board ("'MCPCB"), however, other circuit boards are also conceivable. In addition, printed circuit board 1004 may include a triangular configuration extending along the length of the light module, however, other configurations are equally conceivable. Suitably, the printed circuit board 1004 includes several lines electrically connecting the light sources 1002 with the electrical cables interconnecting the modules of the lighting assembly. . Optical lens 1006 is arranged on and / or around light sources 1002. Suitably, the optical lens 1006 directs the light emitted from the light sources 1002 so that most of the light is emitted to the sides of the optical lens 1006. Advantageously, this allows the profile of the mount of illumination is very thin, thereby preventing a consumer looking inside the window to see the optics and / or the light source. The optical material of the optical lens 1006 can be colored to remove light components by passing through the optical lens 1006. Add - - Optionally, the 1006 optical lens may include one or more of an anti-fog, anti-glare and reflective coating and so on. , The reflector 1008 reflects the light generated by the light sources 1002 to the center of the showcase. Suitably, reflector 1008 is joined with optical lens 1006 by means of sonic welding, vibration welding, adhesive, or the like to define a 1018 air gap. As will be seen, the optical lens makes use of total internal reflection along a boundary 1020 entering bordering the air space 1018. This junction seals the air space 1018 and protects the boundary 1020 from condensation from any material (for example, food elements from spills) that would frustrate total internal reflection. This is important because the 1020 limit is not exposed and cannot be cleaned. The 1018 air gap also provides automatic heating to remove any residue on the surface of the total internal reflector. For example, any moisture or condensation that exists on the surface of the total internal reflector can be removed or defrosted by automatically heating the 1018 air space from light sources.
    1002. In order to facilitate the reflection of light away from reflector 1008, reflector 1008 is suitably white. In addition, reflector 1008 is suitably comprised of a polymeric material, in order to reduce the cost and weight of the light module 1000. However, reflector 1008 does not necessarily have to be white and / or formed from a polymeric material. For example, reflector 1008 may alternatively be formed of a] thermally conductive material, such as aluminum. : Housing 1010 holds optical lens 1006, printed circuit board 1004 and reflector 1008 together. To accomplish this, housing 1010 suitably includes a super molded plastic. However, other devices for holding the optical lens 1006, the printed circuit board 1004, and the reflector 1008 next to the housing 1010 are also conceivable. For example, the optical lens 1006, the printed circuit board 1004, and the reflector 1008 can be secured to the enclosure via tape, glue, mechanical fastener or the like. In order to reduce its visibility to a viewer of the showcase, the 1010 enclosure is suitably white. Additionally, as with reflector 1008, housing 1010 is suitably comprised of a polymeric material Ms in order to reduce the cost and weight of the light module 1000.
    The opposite tabs 1012, 1014 allow the light module 1000 to slide securely close to the frame of a lighting assembly. Namely, as discussed above, the opposite flaps 1012, 1014 fit within grooves in the lighting assembly frame, thereby limiting the movement of the light module 1000 to movement along the length of the lighting assembly.
    The conduit 1016 is arranged inside the enclosure 1010 and extends along its length thus providing a channel within which electrical cables are placed interconnecting modules. Properly, conduit 1016 is large enough to receive one or more electrical cables interconnecting the lighting assembly modules. As mentioned above, the printed circuit board 1004 is electrically coupled with the electrical cables in order to provide energy for the light source 1002.
    With reference to FIGURE 12, an optical lens 1202 of a light module 1204 is illustrated using a cross-sectional view of the light module 1204. The light module 1204, in addition to including the optical lens
    1202, includes a housing 1206, a reflector 1208 and a light source 1210 surrounded by the optical lens 1202, where there is an air gap 1212 between the: light source 1210 and the optical lens 1202.: As shown, the visibility line 1214 extends from the optical frame 1202 to the periphery of the light module 1204. The visibility line 1214 defines a region 1216 out of the view of a consumer looking at the display. This region 1216 is hereinafter referred to as the visibility envelope. Tests with consumers have shown that it is desirable to keep the optical lens 1202 and the light source 1210 inside the visibility wrapper 1216. In some embodiments, the 1206 wrapper, which is usually outside the visibility wrapper 1216, is black, in order to make it less visible, whereas the reflector 120, which is inside the visibility wrapper 1216, is suitably white. 'In order to ensure that the optical lens 1202 and the light source 1210 are within the visibility wrapper 1216, the light source 1210 and the optical lens 1202 are recessed within the light module 1204. As should be appreciated, the reflector 1208 of the 1204 light module helps to define the bead. While lowering the light source 1210 and optical lens 1202 helps to keep light source 1210 and optical lens 1202 in the visibility wrapper 1216, this also makes it more difficult to direct light emitted from light source 1210 towards the center showcase.
    The optical lens 1202 addresses this difficulty by making use of a combination of total internal reflection and refraction. Most of the light provided by the light source 1210 is originally directed to a prime-limiter 1218. This light reflects on the first limit 1218 and then refracts towards the center of the showcase via a second limit 1220 as shown by the 1222 light rays. The remaining light provided by light source 1210 is originally directed to the second limit 1220 and refracts to the showcase, as shown by light rays 1224. This light is spread from near the light module 1204 to near the center of the showcase depending on whether it crosses along the length of the second limit. For example, the light rays going to the left (as oriented by FIGURE 12)
    are directed towards the center of the showcase while the rays of light going upwards are directed closer to the light module 1204. 'In view of the aforementioned, the optical lens 1202 allows: the showcase to be more uniformly illuminated than the other way would be possible.
    Additionally, the optical lens 1202 does this while at the same time keeping the optical lens 1202 and the light source 1210 within the visibility wrapper 1216, which, as noted above, consumer testing has found to be desirable for consumers.
    The lighting assemblies have been described with reference to the disclosed embodiments.
    In addition, components that are described as part of one embodiment can be used with another embodiment.
    The invention is not only limited to the embodiments described above.
    Instead, the invention is defined by the appended claims and "their equivalents.
    权利要求:
    Claims (14)
    [1]
    1. Lighting assembly to illuminate a showcase, the assembly comprising: an elongated frame; and a plurality of modular inserts removably connected to the elongated frame, wherein the plurality of modular inserts includes a plurality of light modules, where each of the plurality of light modules is electrically coupled so that it can be removed with adjacent light modules.
    [2]
    Assembly according to claim 1, wherein the plurality of modular inserts includes at least one spacer.
    [3]
    Assembly according to claim 2, wherein each of the plurality of light modules is arranged within one of the at least one spacer.
    [4]
    4. Assembly according to claim 1, wherein the plurality of the light inserts includes a power module arranged at a distal end of the lighting assembly.
    [5]
    Assembly according to claim 1, wherein the plurality of modular inserts includes a plurality of spacers, wherein the plurality of light modules and the plurality of spacers alternate along the length of the lighting assembly.
    [6]
    6. Assembly according to claim 1, wherein each of the plurality of light modules includes at least one light source and one lens, wherein the lens directs most of the light generated by at least one light source perpendicular to the normal of a base on which at least one light source rests.
    [7]
    7. Assembly, according to claim 1, further comprising an optical lens disposed on and / or around the light source, in which the optical lens is disposed exclusively within the visibility envelope, where the optical lens it is designed to control the light emitted from the light source using refraction and total internal reflection.
    [8]
    8. Assembly according to claim 7, wherein the optical lens is lowered into a housing and the light emitted from the light source is reflected out of the housing to illuminate an area close to the lighting assembly.
    [9]
    An assembly according to claim 7 or 8, wherein the light emitted from the light source is directed substantially perpendicular to a normal of a base on which the light source rests.
    [10]
    An assembly according to any one of claims 7 to 9, wherein the optical lens defines a cavity between the light source and the optical lens.
    [11]
    11. Assembly according to any one of claims 7 to 10, wherein the optical lens includes a first part and a second part, wherein the first part is arranged above the second part and facilitates total internal reflection.
    [12]
    Assembly according to any one of claims 7a11, wherein the optical lens is lowered into the housing and the light emitted from the light source is reflected out of the housing to illuminate an area close to the lighting assembly.
    [13]
    13. Assembly according to any one of claims 6 to 12, wherein at least one light source comprises an LED.
    [14]
    14. Lighting assembly to illuminate a showcase, the assembly comprising: an elongated frame; and a plurality of modular inserts removably connected to the elongated frame, wherein the plurality of modular inserts includes a plurality of spacers and a plurality of LED modules, where the plurality of LED modules are spaced along the length. elongated frame using the plurality of spacers, where each of the plurality of LED modules is electrically coupled so that it can be removed with adjacent LED modules.
    3 oa | | is | E E EN to Hi 1 Es; | oa = - | | Ss S AL | On É Â LEIO di Ss | E TA to XE “| Si = | al ndo ”2 <- | | 2
    | à Wo À s q NX sd WA Wes x À: AA “A AO À | 4 44 &
    RN À * AVIS Ur is à À MW * À A. Ns 8X
    AS y J À a y AD - Ps WA B ”, O ET ET En 708 104 FIG.»
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    同族专利:
    公开号 | 公开日
    EP2494267A1|2012-09-05|
    JP2013508938A|2013-03-07|
    AU2010313518A1|2012-05-31|
    WO2011053638A1|2011-05-05|
    CN102656404B|2016-05-18|
    CN102656404A|2012-09-05|
    US9468311B2|2016-10-18|
    US20110096533A1|2011-04-28|
    US8613524B2|2013-12-24|
    MX2012004870A|2012-11-23|
    AU2010313518B2|2015-01-22|
    CA2778983A1|2011-05-05|
    EP2494267B1|2020-03-18|
    US20110096551A1|2011-04-28|
    JP5809634B2|2015-11-11|
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    US61/255,287|2009-10-27|
    PCT/US2010/054263|WO2011053638A1|2009-10-27|2010-10-27|Refractive optics to provide uniform illumination in a display case|
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