Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S8/00—Lighting devices intended for fixed installation
  • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
  • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
• • 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
  • F21V21/14—Adjustable mountings
  • F21V21/30—Pivoted housings or frames
• • 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
  • F21V25/00—Safety devices structurally associated with lighting devices
  • F21V25/12—Flameproof or explosion-proof arrangements
  • F21V25/125—Flameproof or explosion-proof arrangements using intumescent material, i.e. using materials which swells up as a result of heat exposure
• • 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
  • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
  • F21V21/04—Recessed bases
• • 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
  • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
  • F21V29/50—Cooling arrangements
  • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
  • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
  • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
  • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
• • 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

• Ceiling light fixtures are a common lighting fixture in everyday life that can be mounted on the ceiling for indoor lighting.
• the ceiling lamp can generally be divided into an illumination angle adjustable ceiling lamp and a lighting angle fixed ceiling lamp.
• Ceiling luminaires with fixed angles of illumination are fixed because of the angle of illumination once installed. This is inconvenient when the user has the need to adjust the angle of illumination.
• the existing illumination angle adjustable ceiling lamp can realize multi-angle illumination to the indoor. When the user adjusts the illumination angle, the user can automatically adjust the illumination angle manually or through preset parameters to realize multi-angle illumination. .
• the main advantage of the present invention is that it provides a luminaire suitable for installation on a ceiling, wherein the luminaire has good fire resistance so that the luminaire does not damage the overall fire performance of the ceiling when the luminaire is embedded in the ceiling.
• Another advantage of the present invention is that it provides a luminaire suitable for installation on a ceiling, wherein the luminaire includes a fire protection unit for preventing rapid spread of fire caused by a fire from above the ceiling to the ceiling.
• Another advantage of the present invention is that it provides a luminaire suitable for being mounted on a ceiling, wherein the fire protection unit of the luminaire includes a first fire protection element disposed between the second fixing element of the fixing unit of the luminaire and the adjustment element, The first fireproof element expands upon heating, thereby sealing the gap between the fixing unit and the adjusting element to prevent a fire caused by a fire from rapidly spreading from the ceiling to the ceiling from the ceiling and the gap between the adjusting unit and the adjusting element.
• the lamp of the present invention capable of achieving the foregoing and other objects and advantages includes: a heat dissipating member having a heat dissipating portion and a mounting portion, wherein the mounting portion extends downward from the heat dissipating portion and forms a first a receiving room;
• a fireproof unit comprising a first fireproof element disposed between the fixed unit and the adjustment element, wherein the first fireproof element is made of a thermally expandable material, the first fireproof element being heat expandable and filling the fixed a gap between the unit and the adjustment element, thereby reducing the spread of the fire caused by the fire to the top of the fixture,
• the lower end of the mounting portion of the heat dissipating member is accommodated in the third accommodating chamber of the accommodating member, and the upper portion of the inner wall of the first accommodating chamber is adapted to be provided with the illuminating member.
• the lamp of the present invention further includes a heat resistant unit including a first heat resistant member disposed between the adjusting member and the heat dissipating member, wherein the first heat resistant member The component is housed in a third receiving chamber formed by the adjustment element.
• the present invention further includes a lens disposed on the adjusting member and adapted to the optical outlet of the adjusting member, and disposed on an upper portion of the inner wall of the first receiving chamber of the heat dissipating member
• the light emitted by the illuminating element at the position can pass through the lens, wherein the user can adjust the illumination angle of the light emitted by the illuminating element through the lens by pivoting the adjusting element of the second accommodating chamber of the fixing element of the luminaire .
• the first heat-resistant element and the second heat-resistant element of the heat-resistant unit of the luminaire of the present invention form a safety chamber to mitigate the rapid spread of fire-induced fire above the luminaire.
• FIG. 1 is a front elevational view of a light fixture in accordance with a preferred embodiment of the present invention.
• FIG. 2 is a bottom plan view of a light fixture in accordance with a preferred embodiment of the present invention.
• FIG. 3 is a longitudinal cross-sectional view of a luminaire in accordance with a preferred embodiment of the present invention.
• Figure 5 is a perspective view of an adjustment member of a luminaire in accordance with a preferred embodiment of the present invention.
• Figure 6 is a cross-sectional view of an adjustment member of a luminaire in accordance with a preferred embodiment of the present invention.
• Figure 7 is a perspective view of a fixing unit of a lamp according to a preferred embodiment of the present invention, showing the first fixing member and the second fixing member of the fixing unit.
• Figure 9 is an assembled view of an equivalent embodiment of a luminaire in accordance with a preferred embodiment of the present invention.
• the luminaire according to the preferred embodiment of the present invention is illustrated, wherein the luminaire includes a fixing unit 10 adapted to fix the luminaire to a fixture such as a ceiling, and a The adjusting member 20 for adjusting the irradiation direction of the light emitted from the light-emitting element 60 of the lamp and a heat dissipating member 30 for dissipating heat.
• a fixing unit 10 of a lamp is formed with a first receiving chamber 100 penetrating up and down and the fixing unit 10 is adapted to be mounted on a ceiling such as a ceiling. To fix the fixture in place.
• the fixing unit 10 of the luminaire can be made of a high temperature resistant material, and can maintain its original shape in a high temperature environment for a long time, so that the luminaire of the present invention is not easily damaged by the fixing unit in a high temperature environment.
• the burning of 10 is detached from the attachment of the lamp such as the ceiling.
• the adjusting member 20 is pivotally received by the first receiving chamber 100 formed by the fixing unit 10, wherein the adjusting member 20 includes an adjusting body 21 pivotally received in the first receiving chamber formed by the fixing unit 10,
• the adjustment body 21 is formed with a light passage 211 adapted to pass light emitted by the light-emitting element 60 of the luminaire.
• the adjusting member 20 further includes a lower end portion 22 provided at a lower end of the adjusting body 21, wherein the adjusting body 21 and the lower end portion 22 form a second receiving chamber 200 having an opening upward, and the lower end portion 22 Forming a communication with the optical channel 211 And it is suitable for the light exit 221 through which the light emitted by the light-emitting element 60 of the luminaire passes.
• the heat dissipating component 30 includes a heat dissipating portion 31 and a mounting portion 32.
• the mounting portion 32 extends downward from the heat dissipating portion 31.
• the light emitting element 60 of the lamp is disposed at the bottom of the mounting portion 32 of the heat dissipating component 30.
• the mounting portion 32 of the component 30 is adapted to be disposed on the adjustment component 20 of the luminaire. Further, the mounting portion 32 extends downward from the heat dissipating portion 31 and forms a third receiving chamber 300 having an opening downward, wherein the lower end of the mounting portion 32 of the heat dissipating member 30 is adapted to be received by the adjusting member 20.
• the second receiving chamber 200 is such that the lower end of the heat dissipating member 30 is coupled to the adjusting member 20. Further, the heat dissipating portion 31 of the heat dissipating member 30 is provided with a wire passage 33 through which the power supply wire can pass through and be electrically connected to the light emitting element 60 disposed at an upper portion of the inner wall of the third receiving chamber 300. Thereby, the light-emitting element 60 is supplied with electric energy. Further, the heat dissipating portion 31 of the heat dissipating component 30 includes a heat dissipating body 311 and a plurality of sheet fins 312 disposed on the heat dissipating body 311 to improve the heat dissipating function of the heat dissipating component 30.
• the mounting portion 32 of the heat dissipating component 30 is integrally formed with the adjusting component 20 such that when the user adjusts the position of the adjusting component 20 of the luminaire such that the light passing through the light tunnel 211 of the adjusting component 20 is at a desired angle Upon ejection, the heat dissipating component 30 will pivot and reduce the process sequence as the adjustment component 20 pivots.
• the mounting portion 32 of the heat dissipating member 30 is integrally formed with the adjusting body 21 of the adjusting member 20.
• the mounting portion 32 of the heat dissipating component 30 can also be integrally formed with the lower end portion 22 of the adjusting component 20, or simultaneously with the adjusting body 21 and the lower end portion 22 of the adjusting component 20, so that when used When the position of the adjustment element 20 of the luminaire is adjusted such that light passing through the light path 211 of the adjustment element 20 exits at a desired angle, the heat dissipating element 30 will pivot with the pivoting of the adjustment element 20 and reduce the number of processes .
• the heat dissipating portion 31 of the heat dissipating component 30 of the luminaire can be located higher than the top end of the second fixing component 12 of the fixing unit 10 of the luminaire to facilitate heat dissipation of the heat dissipating component 30.
• the top end of the mounting portion 32 of the heat dissipating member 30 of the lamp is positioned higher than the position of the top end of the second fixing member 11 of the fixing unit 10 of the lamp to facilitate heat dissipation of the heat dissipating member 30.
• a lamp according to a preferred embodiment of the present invention further includes a heat resistant unit 40, wherein the heat resistant unit 40 includes a second receiving chamber formed in the adjusting member 20. a first heat-resistant element 41 of 200 and disposed on the adjusting element 20 and the heat-dissipating element 30 Between the mounting portions 32, wherein the first heat-resistant member 41 is made of a high-temperature resistant material so that the first heat-resistant member 41 is not easily melted and maintains its original shape in a high-temperature environment for a long time, thereby lowering the lamp The firing rate of each component and the rapid disintegration of the luminaire.
• the first heat-resistant member 41 includes a first heat-resistant portion 411 and a second heat-resistant portion 412 extending inward from the lower end of the first heat-resistant portion 411, wherein the first heat-resistant portion 411
• the second heat-resistant portion 412 is disposed below the mounting portion 32 of the heat dissipating member 30 between the outer side of the mounting portion 32 of the heat dissipating member 30 and the inner side of the adjusting body 21 of the adjusting member 20.
• the second heat-resistant portion 412 of the first heat-resistant member 41 is disposed between the mounting portion 32 of the heat-dissipating member 30 and the lower end portion 22 of the adjusting member 20, thereby preventing a fire caused by a fire from passing through the adjusting member.
• the gap between the 20 and the heat dissipating element 30 spreads rapidly over the luminaire.
• the first heat-resistant element 41 is shaped to fit the second receiving chamber 200 formed by the adjusting element 20 such that the first heat-resistant element 41 is adapted to receive the second receiving formed by the adjusting element 20.
• the chamber 200 and the outer side of the first heat-resistant element 41 are next to the inner side of the adjusting element 20, and the second heat-resistant portion 412 of the first heat-resistant element 41 has a light-emitting opening 410 adapted to pass light emitted by the light-emitting element 60.
• the light exit 221 of the adjustment element 20 is reached.
• the heat-resistant unit 40 of the lamp according to the preferred embodiment of the present invention further includes a second heat-resistant member 42 disposed in the third receiving chamber 300 formed by the heat-dissipating member 30.
• the second heat-resistant member 42 is made of a high-temperature resistant material and its rear portion of the light-emitting element 60 disposed at an upper position of the inner wall of the third storage chamber 300 extends downward along the inner wall of the third storage chamber 300.
• the fire protection unit 40 thus forms a fire protection mechanism that delays the fire caused by the fire and spreads over the luminaire to delay the rapid spread of the fire caused by the fire to the top of the luminaire.
• the fixing unit 10 of the lamp includes a first fixing member 11 and a second fixing member 12 disposed on the outer side of the first fixing member 11.
• the second fixing element 12 is adapted to be disposed on a ceiling attachment such as a ceiling, the first fixing element 11 forming a first receiving chamber 100 for pivotally receiving the adjustment element 20 such that the adjustment element 20 It may be pivotally provided to the first accommodation chamber 100.
• a lamp unit includes a fire prevention unit 70, and the fire protection unit 70 includes a first portion disposed between the fixing unit 10 and the adjustment member 20.
• a fireproof element 71 wherein the outer side of the first fireproof element 71 disposed between the fixed unit 10 and the adjusting element 20 is designed according to the shape of the inner side of the fixed unit 10, and the first fireproof element 71 of the fireproof unit 70
• the inner side of the adjusting element 20 is designed according to the shape of the outer side of the adjusting body 20, so that the first fireproof element 71 of the fireproof unit 70 is adapted to be disposed between the fixing unit 10 and the adjusting element 20 of the luminaire, so that
• the first fireproof member 71 can seal a gap between the fixing unit 10 and the adjusting member 20 when thermally expanded in a high temperature environment, thereby preventing a fire caused by a fire from passing through a gap between the fixing unit 10 and the adjusting member 20.
• the first fireproof element 71 of the fireproof unit 70 is disposed between the second fixed component 12 of the fixed unit 10 and the adjustment component 20, and the first fireproof component 71 expands under high temperature environment and A sealing effect is created between the fixing unit 10 and the adjusting member 20 to seal the gap between the fixing unit 10 and the adjusting member 20, thereby preventing the fire-induced fire from passing through the fixing unit 10 and the adjusting member 20.
• the gap between them spreads to the outer area of the luminaire.
• the outer side of the first fireproof element 71 disposed between the second fixing element 12 of the fixing unit 10 and the adjusting element 20 is designed according to the shape of the inner side of the second fixing element 12, the fireproof unit 70
• the inner side of the first fireproof element 71 is designed according to the shape of the outer side of the adjustment body 21 of the adjustment element 20, so that the first fireproof element 71 of the fireproof unit 70 is adapted to be provided to the second fixed element 12 of the fixed unit 10 and
• the first fireproof element 71 can be thermally expanded and filled with a gap between the fixing unit 10 and the adjusting element 20 in a high temperature environment, so that the first fireproof element 71 is The gap between the fixing unit 10 and the adjusting member 20 can be sealed when heated by a high temperature environment, thereby preventing the fire caused by the fire from rapidly spreading to the upper side of the lamp through the gap between the fixing unit 10 and the adjusting member 20,
• the first fireproof element 71 of the fire protection unit 70 extends outwardly and upward
• the fixing unit 10 of the luminaire is made of a high temperature resistant material
• the first fireproof element 71 of the fireproof unit 70 disposed between the fixing unit 10 of the luminaire and the adjusting element 20 provides the luminaire with integral fireproofing capability, so that when the luminaire is embedded in the fireproof ceiling The luminaire does not impair the overall fire performance of the fireproof ceiling.
• a lamp assembly includes a set of connecting members 80 made of a refractory material, the connecting member 80 including a connecting member 81 for the luminaire
• the fixing unit 10 and the adjusting element 20 are coupled together.
• the connector 81 is made of a high temperature resistant material and it couples the fixing unit 10 of the luminaire and the adjustment element 20 together.
• the connecting member 81 extends from the outer side of the fixing unit 10 to the adjusting member
• the inside of the cover 20 is pivotally held by the adjustment member 20 of the luminaire of the present invention in the first accommodating chamber 100 formed by the fixed unit 10.
• the connecting component 81 of the connecting component 80 passes through the fixing unit 10 when extending in the horizontal direction.
• the adjustment element 20 extends to the heat dissipation element 30.
• the first fireproof element 71 and the second fireproof element of the fireproof unit 70 are preferably disposed above the connecting member 81, and the first fireproofing element of the fireproof unit 70 is fired when a fire caused by a fire burns the luminaire from below the luminaire 71 is not easily detached from the fixing unit 10 and the adjusting member 20 due to rapid melting of the first fixing member 11 and the second fixing member 12 of the fixing unit 10 of the lamp, thereby being effectively thermally expanded in a high temperature environment. And sealing the gap between the fixing unit 10 and the adjusting member 20, thereby preventing the fire caused by the fire from spreading through the gap between the fixing unit 10 and the adjusting member 20 to the outer region of the lamp.
• the connector 81 of the luminaire made of high temperature resistant material, the first fireproof component of the fireproof unit 70 disposed between the fixing unit 10 and the adjusting component 20 and positioned higher than the connecting component 81 71 Reduces the disintegration speed of the luminaire in high temperature environments and the spread of fire caused by fire to the top of the luminaire.
• the upper edge 122 of the second fixing component 12 can extend inwardly from the upper end of the second fixing body 121 to the first of the fireproof unit 70 disposed between the first fixing component 11 and the adjusting component 20
• the upper edge 122 of the second fastening element 12 of the fastening unit 10 is adapted to cause the thermally expanded first fire protection element 71 to Extending, thereby causing a gap between the first fixing element 11 of the fixing unit 10 of the luminaire and the adjusting element 20 to be sealed, thereby preventing the fire-induced fire from passing through the first fixing element 11 of the fixing unit 10 and the The gap between the adjustment elements 20 spreads to the outer area of the luminaire.
• the upper edge 122 of the second fixing element 12 also has a cooperative sealing function, which can cooperate with the first fireproof element 71 of the fireproof unit 70 to seal the first fixing element 11 of the fixing unit 10 and the high temperature environment.
• the gap between the elements 20 is adjusted to prevent the fire-induced fire from propagating through the gap between the first fixing element 11 of the fixing unit 10 and the adjusting element 20 to the outer region of the lamp.
• the upper edge 122 of the second fixing element 12 can have a cooperative sealing effect with the first fireproof element 71 of the fire protection unit 70, the upper edge 122 of the second fixing element 12 and the first fireproof element 71—the gap between the first fixing member and the adjusting member is sealed, thereby preventing the fire-induced fire from passing through the gap between the first fixing member 11 and the adjusting member 20 of the fixing unit 10
• the outer region of the luminaire is spread as shown in FIG. 7 of the accompanying drawings.
• an equivalent embodiment of a luminaire in accordance with a preferred embodiment of the present invention is illustrated, wherein the equivalent implementation differs from the preferred embodiment described above in that it includes a set of connecting elements 80A, wherein the connecting elements
• the 80A includes a connector 81A and two adjacent holders 82A, wherein the connector 81A extends horizontally from the outside of the second fixing member 12 of the fixing unit 10 to the inside of the first fixing member 11, the holder 82A Provided at the top ends of the first fixing member 11 and the second fixing member 12 of the fixing unit 10 and extending upward from the top ends of the first fixing member 11 and the second fixing member 12 to the connecting member 81A of the connecting member 80A, wherein
• the holders 82A are respectively detachably disposed on the connecting member 81A of the connecting member 80A, thereby coupling the first fixing member 11 and the second fixing member 12 with the connecting member 81A of the connecting member 80A.
• the connector 81A of the connecting member 80A is positioned higher than the
• the connecting member 81A of the luminaire is made of a high temperature resistant material, it can maintain the original shape for a relatively long time in a high temperature environment to reduce the disintegration speed of the luminaire, thereby reducing the fire from the fire bow.
• the first fireproof element 71 of the fire protection unit 70 is located lower than the position of the connector 81A, and the first fireproof element 71 is thermally expanded at a high temperature to seal before the lamp is melted and disassembled.
• the gap between the fixing unit 10 and the adjusting element 20 and a sealing effect between the fixing unit 10 and the adjusting element 20 prevent a rapid spread of the fire above the luminaire.
• the connecting member 81A of the luminaire made of high temperature resistant material
• the first fireproofing of the fireproof unit 70 disposed between the fixing unit 10 and the adjusting member 20 and lower than the connecting member 81A Element 71 reduces the disintegration speed of the luminaire in a high temperature environment and the spread speed of the fire caused by the fire to the luminaire.

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

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

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Citations (7)

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• 2012
  • 2012-09-04 CN CN201210337809.4A patent/CN102878504B/zh active Active
• 2013
  • 2013-08-28 DK DK13835416.2T patent/DK2894391T3/en active
  • 2013-08-28 WO PCT/CN2013/082460 patent/WO2014036906A1/zh active Application Filing
  • 2013-08-28 EP EP13835416.2A patent/EP2894391B1/de active Active

Patent Citations (7)

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