EP3104073A1 - Dispositif d'ajustement de direction de lumière - Google Patents

Dispositif d'ajustement de direction de lumière Download PDF

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Publication number
EP3104073A1
EP3104073A1 EP15740656.2A EP15740656A EP3104073A1 EP 3104073 A1 EP3104073 A1 EP 3104073A1 EP 15740656 A EP15740656 A EP 15740656A EP 3104073 A1 EP3104073 A1 EP 3104073A1
Authority
EP
European Patent Office
Prior art keywords
light
housing
adjustment device
direction adjustment
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15740656.2A
Other languages
German (de)
English (en)
Other versions
EP3104073B1 (fr
EP3104073A4 (fr
Inventor
Liangju Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wu Liangju
Original Assignee
Wu Liangju
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wu Liangju filed Critical Wu Liangju
Publication of EP3104073A1 publication Critical patent/EP3104073A1/fr
Publication of EP3104073A4 publication Critical patent/EP3104073A4/fr
Application granted granted Critical
Publication of EP3104073B1 publication Critical patent/EP3104073B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • 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
    • 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
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F21V21/044—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues
    • F21V21/046—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues being tensioned by rotation of parts
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/301—Lighting for domestic or personal use for furniture
    • 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 light-direction adjustment device, and more particularly to a light-direction adjustment device comprising an adjustment unit and a light source mounted on the adjustment unit, enabling a direction of light irradiation from the light source to be changed along with an angle adjustment of the adjustment unit, so that users can easily use the light-direction adjustment device for illumination.
  • Spotlight is a typical modern lighting equipment without fixed dimensions. Due to its free angle changing feature, a predetermined number of spotlights can be arranged according to a desired pattern to create an atmosphere and to heighten the environment. Therefore, the spotlights have brought great convenience to people's lives.
  • a spotlight includes a base for fixing the spotlight, a supporting component and a lamp body.
  • One end portion of the supporting component is affixed to the base.
  • the lamp body is moveably mounted to the other end portion of the supporting component.
  • the lamp body is able to perform a rotating movement relative to the supporting component so as to change the direction of light emitted from the light source.
  • the supporting component when the base is mounted on a ceiling or a similar position, the supporting component is extended downwardly.
  • the supporting component occupies a certain space in the lower portion of the ceiling or the like thereof, and when the lamp body performs a rotating movement relative to the supporting component, the lamp body would occupy other spaces besides the space of the spotlight itself.
  • the outer space of the spotlight to be occupied should be in a constantly changing condition so as to meet the needs of users.
  • the present invention is advantageous in providing a light-direction adjustment device and method, wherein the light-direction adjustment device comprises an adjustment unit and a light source mounted on the adjustment unit, wherein a direction of light emitted from the light source is able to be changed along with an angle adjustment of the adjustment unit, so that users can easily use the light-direction adjustment device for illumination.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the adjustment unit is able to be adjusted in multiple angles and that, during the angle adjustment process of the adjustment unit, when the direction of light emitted from the light source meets the desired need of the user, the adjustment unit is easily to be fixed in that position.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein a curved structure of the adjustment unit is well coordinated with the lamp body and a curved structure of a housing during the angle adjustment process of the adjustment unit, so that the angle of the adjustment unit can be conveniently adjusted.
  • Another advantage of the invention is to provide a light-direction adjustment device, during the angle adjustment process of the adjustment unit, the adjustment unit is always positioned inside a first receiving chamber formed in the lamp body and the housing. In other words, during the angle adjustment process of the adjustment unit, the adjustment unit does not occupy any additional space besides the space of the light-direction adjustment device, enabling the light-direction adjustment device to be utilized within a narrow space.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device provides a plurality of sealing members, wherein when the light-direction adjustment device is used outdoor or in an environment that is easy to be polluted by dust, water or the like, the sealing members can ensure a relatively stable environment for the light source and the light-direction adjustment device.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device provides a plurality of fixing members to secure conductive leads and to prevent conductive leads from twining inside the light-direction adjustment device, under the premise of not influencing a normal use of the light-direction adjustment device, when the adjustment unit is faulty operated.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the housing of the light-direction adjustment device is able to be adjusted according to various requirements so as to improve a heat dissipation efficiency of the light-direction adjustment device.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device comprises a holding unit, that the light-direction adjustment device can be installed to a predetermined position and be conveniently disassembled from the predetermined position by mean of the holding unit, equipped with a stopper portion, by the users.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein a light emitting unit comprises a spotlighting element provided in the direction of light emitted from the light source in such a manner that the light generated by the light source perform a spotlighting effect through the spotlighting element, so that lights generated by the light source has a well directionality.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device has ingeniously designed components, a reasonable structure and a scientific layout in such a manner that the durability of the light-direction adjustment device is improved and, moreover, the reliability and safety of the light-direction adjustment device during using process are well assured.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device is simple to operate and can effectively meet the demands of the market.
  • Another advantage of the invention is to provide a light-direction adjustment device, wherein the light-direction adjustment device has a complex architecture and a sophisticated construction, and the raw materials of the light-direction adjustment device have wide sources, and thus, it is beneficial to control the manufacturing cost of the light-direction adjustment such that the light-direction adjustment has a good market prospect.
  • a light-direction adjustment device which comprises:
  • the housing comprises a first housing, a second housing and at least two heat dissipating elements, wherein two ends of each heat dissipating element are respectively extended to the first housing and the second housing and a heat exchanging space is formed between each two adjacent heat dissipating elements.
  • the lamp body unit comprises a first positioning element, wherein the housing has at least one first mounting hole and the lamp body unit has at least one second mounting hole, wherein the lamp body unit further comprises a first mounting member, wherein when the lamp body unit is assembled with the housing, the first mounting member is provided to enclose the housing and each of the first mounting members mounts the lamp body unit to the housing through each of the second mounting holes and each of the first mounting holes, wherein the housing and the lamp body unit form a first receiving chamber and the adjustment unit is positioned in the first receiving chamber.
  • the lamp body unit comprises a second positioning member, wherein the first positioning element and the second positioning member form a positioning groove, wherein when the lamp body unit is assembled with the housing, one end portion of the first housing is mounted in the positioning groove.
  • the second housing forms a first driving surface which is a lower curved surface and the second positioning member forms a second driving surface which is an upper curved surface, wherein the first driving member and the second driving member is able to move synchronously along a trajectory formed between the first driving surface and the second driving surface so as to change the direction of the light emitted from the light source.
  • the second housing comprises a first connecting body and a second connecting body, wherein one end portion of the first connecting body is integrally extended to the second housing and the other end portion of the first connecting body forms a connecting chamber, wherein one end portion of the second connecting body forms a first driving surface and the other end portion of the second connecting body forms a second connecting member, wherein the second connecting member is mounted in the connecting chamber, wherein the first driving surface is a lower curved surface, wherein the second positioning member forms a second driving surface which is an upper curved surface, and the first driving surface and the second driving surface can be moved synchronously along a path formed between the first driving surface and the second driving surface in order to change the direction of the light emitted from the light source.
  • the connecting chamber has a thread structure and the second connecting member has a thread structure, wherein when the second connecting member is mounted in the connecting chamber, the thread structure of the second connecting member is matched with the thread structure of the connecting chamber so as to connect the second connecting body to the first connecting body.
  • the light emitting unit further comprises a heat dissipating member, wherein the heat dissipating member further comprises a mounting substrate having a mounting position, wherein the light source is mounted at the mounting position so as to mount the light source on the mounting substrate.
  • one side portion of the mounting substrate is extended in a perpendicular direction to form a first heat dissipating piece and at least two second heat dissipating pieces arranged spacedly and intervally, wherein a first heat dissipating cavity is defined between each two adjacent second heat dissipating pieces and a second heat dissipating cavity is defined between the first heat dissipating piece and the mounting substrate, wherein two adjacent portions of each of the second heat dissipating pieces are respectively extended to the first heat dissipating piece and the mounting substrate.
  • the mounting substrate has at least one third mounting hole and at least one second mounting member and the second driving member has at least one fourth mounting hole, wherein each of the second mounting members mounts the second driving member on the mounting substrate through each of the third mounting holes and each of the fourth mounting holes, wherein the heat dissipating member and the second driving member form a second receiving chamber and the light source is positioned in the second receiving chamber.
  • one side portion of the mounting substrate is extended in a perpendicular direction to form a first mounting shaft and a second mounting shaft, wherein a diameter of the second mounting shaft is smaller than a diameter of the first mounting shaft, wherein the first driving member has a first mounting cavity and a second mounting cavity, wherein a diameter of the second mounting cavity is smaller than a diameter of the first mounting cavity, wherein the second mounting shaft is capable of moving along a path defined by the second mounting cavity when the first driving member and the second driving member are moving along a trajectory defined between the first driving surface and the second driving surface.
  • the adjustment unit further comprises a resilient element, wherein two end portions of the resilient element are faced toward the first mounting shaft and the first mounting cavity respectively, wherein the resilient element enables the first mounting shaft to be able to move and displace to return to a predetermined position.
  • the light emitting unit further comprises a reflecting element installed at the mounting substrate, wherein the reflecting element has a third light channel to enable the light generated by the light source radiating to outside of the light-direction adjustment device through the third light channel.
  • the light emitting unit further comprises a spotlighting element comprising a fixing portion and a spotlighting portion integrally formed with the fixing portion, wherein the second driving member has a retaining portion, wherein the fixing portion is fixed to the retaining portion and the light generated by the light source is emitted to outside of the light-direction adjustment device by the spotlighting portion.
  • the light emitting unit further comprises a second sealing member mounted on the retaining portion.
  • two side portions of the first positioning element are extended towards the housing to form a holding portion
  • the light-direction adjustment device further comprises two holding units and one end portion of each of the holding units is mounted on the holding portion
  • the lamp body unit further comprises a stopper portion provided on an outer side of the first positioning element, wherein a catching and holding chamber is formed between each of the holding units and the stopper portion.
  • the first housing, the second housing and each of the heat dissipating element are integrally formed.
  • the second driving surface further has a positioning channel and a first sealing member, wherein the first sealing member is positioned in the positioning channel, and the first sealing member is positioned between the adjustment unit and the second driving surface.
  • the first sealing member is made of elastic material.
  • the lamp body unit further comprises a first fixing member and a second fixing member, wherein the first fixing member is mounted on the second heat dissipating pieces and a first fixing chamber is defined between the first fixing member and the second heat dissipating pieces, wherein the second fixing member is mounted on the housing and the second fixing member has a second fixing chamber, wherein conductive leads are extended inside the light-direction adjustment device through the second fixing chamber and the first fixing chamber.
  • a light-direction adjustment device which comprises:
  • the adjustment unit further comprises a resilient element, wherein two end portions of the resilient element are faced toward the first driving member and the second driving member respectively, wherein when the second driving member moves toward the first driving member, the resilient element has a tendency of returning to a predetermined condition.
  • the housing comprises a first housing, a second housing and at least two heat dissipating elements, wherein two ends of each of the heat dissipating elements are respectively extended to the first housing and the second housing and a heat exchanging space is formed between each two adjacent heat dissipating elements.
  • the lamp body unit comprises a first positioning element and a second positioning member, wherein the first positioning element and the second positioning member are spacedly provided to form a positioning groove, when the lamp body unit is assembled with the housing, one end portion of the first housing is mounted in the positioning groove.
  • the second housing forms the first driving surface which is a lower curved surface and the second positioning member forms the second driving surface which is an upper curved surface, wherein the first driving member and the second driving member are able to move synchronously along a trajectory defined by the first driving surface and the second driving surface so as to change the direction of light emitted from the light source.
  • the second housing comprises a first connecting body and a second connecting body, wherein one end portion of the first connecting body is integrally extended to the second housing and the other end portion of the first connecting body forms a connecting chamber, wherein one end portion of the second connecting body forms a first driving surface and the other end portion of the second connecting body forms a second connecting member, wherein the second connecting member is mounted in the connecting chamber, wherein the first driving surface is a lower curved surface, wherein the second positioning member forms a second driving surface which is an upper curved surface, and the first driving surface and the second driving surface are able to move synchronously along a path defined by the first driving surface and the second driving surface so as to change the direction of light emitted from the light source.
  • the connecting chamber has a thread structure and the second connecting member has a thread structure, wherein when the second connecting member is mounted in the connecting chamber, the thread structure of the second connecting member is matched with the thread structure of the connecting chamber so as to connect the second connecting body with the first connecting body.
  • the second driving surface further has a positioning channel and a first sealing member, wherein the first sealing member is positioned in the positioning channel, and the first sealing member is positioned between the adjustment unit and the second driving surface.
  • the first sealing member is made of elastic material.
  • the foregoing and other objects and advantages are also attained by a method of adjusting a light emitting direction by means of a light-direction adjustment device, wherein the light-direction adjustment device comprises a light source, an adjustment unit mounted to the light source, a housing, and a lamp body unit, wherein the method comprises the steps of:
  • step (a) further comprises the steps of:
  • the step (b) further comprises the steps of:
  • a method of manufacturing a light-direction adjustment device which comprises the steps of:
  • a light-direction adjustment device according to a preferred embodiment of the invention is illustrated, wherein the light-direction adjustment device does not need to occupy additional spaces besides the space receiving the light-direction adjustment device while adjusting the light emitting directions of the light-direction adjustment device. Accordingly, the light-direction adjustment device can be utilized within a narrow space.
  • the light-direction adjustment device comprises a housing 10, a lamp body unit 20, a light emitting unit 30, and an adjustment unit 40.
  • the housing 10 comprises a first housing 11, a second housing 12 and at least two heat dissipating elements 13, wherein two ends of each heat dissipating elements 13 are respectively extended to the first housing 11 and the second housing 12, and a heat exchanging space 131 is formed between each of the two adjacent heat dissipating elements 13.
  • a temperature inside the housing 10 is higher than a temperature outside the housing 10
  • the air inside the housing 10 exchanges with the air outside the housing 10 via the heat exchanging space 131, so that a pressure balance of the interior and the exterior of the housing 10 is ensured.
  • first housing 11, the second housing 12 and each of the heat dissipating elements 13 are integrally formed.
  • the housing 10 further forms a first receiving chamber 14 providing a mounting space for the adjustment unit 40, wherein each of the heat exchanging spaces 131 is communicated with the first receiving chamber 14 such that the air inside the housing 10 exchanges with the air outside the housing 10 via the heat exchanging space 131. It is understandable that when the light-direction adjustment device is in an assembling status, the housing 10 is provided to enclose the outer portion of the adjustment unit 40 so as to protect the adjustment unit 40.
  • the first housing 11 is provided to enclose the adjustment unit 40 and the second housing 12 is positioned at an end portion of the adjustment unit 40, wherein the second housing 12 faces toward one side portion of the first receiving chamber 14 to form a first driving surface 15, so that the adjustment unit 40 is able to be moved with respect to the housing 10 along a trajectory defined by the first driving surface 15.
  • the lamp body unit 20 comprises a first positioning element 21 and a second positioning member 22, wherein the first positioning element 21 and the second positioning member 22 are spacedly provided to form a positioning groove 23.
  • the lamp body unit 20 is assembled with the housing 10, wherein the housing 10 has at least one first mounting hole 101.
  • the lamp body unit 20 has at least one second mounting hole 201, wherein each of the first mounting holes 101 is matched with each of the second mounting holes 201.
  • the lamp body unit 20 further comprises a first mounting member 24.
  • the first positioning element 21 is positioned on an outer side of the first housing 11.
  • the second positioning member 22 is positioned on an inner side of the first housing 11.
  • the first mounting member 24 affixes the housing 10 to the lamp body unit 20 through the first mounting hole 101 and the second mounting hole 201.
  • the lamp body unit 20 when the lamp body unit 20 is assembled with the housing 10, the lamp body unit 20 and the housing 10 form the first receiving chamber 14.
  • the adjustment unit 40 is positioned inside the first receiving chamber 14, wherein the second positioning member 22 forms a second driving surface 25, so that the adjustment unit 40 is able to be moved with respect to the lamp body unit 20 along a trajectory defined by the second driving surface 25.
  • the second driving surface 25 is in a ring shape forming a first light channel 251, wherein the first light channel 251 is communicated with the first receiving chamber 14, so that the lights generating by the light emitting unit 30 are radiated to the outside of the light-direction adjustment device through the first light channel 251.
  • the second driving surface 25 further has a positioning channel 252 and a first sealing member 253, wherein the first sealing member 253 is positioned in the positioning channel 252, and the first sealing member 253 is positioned between the adjustment unit 40 and the second driving surface 25.
  • the first sealing member 253 can ensure that the moisture outside the light-direction adjustment device cannot enter the inside of the light-direction adjustment device, so that the first sealing member 253 can ensure that the light-direction adjustment device has a stable working environment.
  • the first sealing member 253 is made of elastic materials, wherein when the adjustment unit 40 is moved along a trajectory defined by the second driving surface 25, the first sealing member 253 can always ensure that the adjustment unit 40 and the second driving surface 25 have no gap therebetween.
  • an end portion of the first housing 11 also comprises one or more blocking elements 111 spacedly and internally arranged, wherein each of the blocking elements 111 has a good flexibility, so that when the first housing 11 is provided in the positioning groove 23 formed by the first positioning element 21 and the second positioning member 22, each of the blocking elements 111 is facing toward the first positioning element 21 such that the first housing 11 is able to be affixed in the positioning groove 23.
  • the light emitting unit 30 comprises a light source 31, which is mounted on the adjustment unit 40, so that an emitting direction of the lights generated by the light source 31 can be changed with the angle adjustment of the adjustment unit 40. Furthermore, users can easily use the light-direction adjustment device for illumination. It is understandable that the light generated by the light source 31 can be radiated to the outside of the light-direction adjustment device through the first light channel 251.
  • the light source 31 is preferably a LED light source in order to improve the life span of the light-direction adjustment device based on reducing a production cost of the light-direction adjustment device, and the light generated by the light source 31 can have a good lighting effect on the light-direction adjustment device.
  • the light emitting unit 30 further comprises a heat dissipating member 32, wherein the heat dissipating member 32 further comprises a mounting substrate 321.
  • the mounting substrate 321 has a mounting position 3211, wherein the light source 31 is mounted at the mounting position 3211, so that the light source 31 is mounted on the mounting substrate 321 to further ensure the light source 31 and the mounting substrate 321 having a stable positional relationship.
  • one side portion of the mounting substrate 321 is extended in a perpendicular direction to form a first heat dissipating piece 322 and at least two second heat dissipating pieces 323, wherein the second heat dissipating pieces 323 are spaced with each other, and a first heat dissipating cavity 324 is formed between each of the two adjacent second heat dissipating pieces 323.
  • One side portion of the each of the second heat dissipating pieces 323 is extended to the first heat dissipating piece 322 and the other side portion of each of the second heat dissipating pieces 323 is extended to the mounting substrate 321.
  • the first heat dissipating piece 322 forms a second heat dissipating cavity 325.
  • the first heat dissipating cavity 324 and the second heat dissipating cavity 325 are communicated with the heat exchanging space 131 through the first receiving chamber 14.
  • the mounting substrate 321, the first heat dissipating piece 322 and each of the second heat dissipating pieces 323 are integrally made of aluminum material, so that the heat dissipating member 32 has a good heat dissipating effect and, during the operation of the light-direction adjustment device, the working environment temperature of the light source 31 will be ensured being not too high, and thus a life span of the light-direction adjustment device is prolonged.
  • the light source 31 will also generate a large amount of heat, so that the temperature of the working environment of the light source 31 is rapidly raised and then the working environment of the light source 31 has a rapid deterioration. Since the heat dissipating member 32 is made of aluminum material, the large amount of heat generated by the light source 31 is transmitted to the first heat dissipating piece 322 and each of the second heat dissipating pieces 323 through the mounting substrate 321.
  • the heat is radiated to the outside of the light-direction adjustment device via the heat exchanging space 131 through the first heat dissipating cavity 324 and the second heat dissipating cavity 325 so as to ensure an atmospheric pressure balance of the interior and the exterior of the light-direction adjustment device, and thus ensuring that the temperature of the working environment of the light source 31 of the light-direction adjustment device will not be too high and the life span of the light-direction adjustment device is prolonged.
  • the adjustment unit adjustment unit 40 comprises a first driving member 41 and a second driving member 42, wherein the first driving member 41 and the second driving member 42 are respectively positioned at one end portion of the adjustment unit 40, wherein the first driving member 41 and the second driving member 42 have stable spatial positions.
  • the first driving member 41 and the second driving member 42 are able to move synchronously.
  • the first driving member 41 and the second driving member 42 are able to move along a trajectory defined by the first driving surface 15 and the second driving surface 25.
  • the first driving member 41 is contacted with the first driving surface 15 and the first driving member 41 is capable of moving along a trajectory defined by the first driving surface 15.
  • the first driving surface 15 is a lower curved surface.
  • the second driving member 42 is contacted with the second driving surface 25 and the second driving member 42 is capable of moving along a trajectory defined by the second driving surface 25.
  • the second driving surface 25 is an upper curved surface.
  • the direction of the lamp body unit 20 is defined as the lower direction and the direction of the housing 10 is defined as the upper direction. It is understandable that the lower curved surface formed by the first driving surface 15 is facing toward the lamp body unit 20 and the upper curved surface formed by the second driving surface 25 is facing toward the housing 10.
  • the mounting substrate 321 has at least a third mounting hole 3212 and at least a second mounting member 3213.
  • the second driving member 42 has at least a fourth mounting hole 421, wherein each of the second mounting member 3213 is mounted on the second driving member 42 by each of the third mounting holes 3212 and each of the fourth mounting holes 421, wherein the heat dissipating member 32 and the second driving member 42 form a second receiving chamber 422 and the light source 31 is positioned in the second receiving chamber 422.
  • the second driving member 42 has a second light channel 423, wherein the second light channel 423 is communicated with the second receiving chamber 422, so that the light generated by the light source 31 is radiated to the outside of the light-direction adjustment device through the second light channel 423.
  • the first driving member 41 has a first mounting cavity 411 and a second mounting cavity 412, wherein a diameter of the second mounting cavity 412 is smaller than a diameter of the first mounting cavity 411, and the second mounting shaft 327 is able to be moved along a path formed by the second mounting cavity 412.
  • the adjustment unit 40 further comprises a resilient element 43, wherein two end portions of the resilient element 43 are facing toward the first mounting shaft 326 and the first mounting cavity 411 respectively.
  • the first mounting shaft 326 is able to be moved and displaced to return to its predetermined condition by the resilient element 43.
  • the second mounting shaft 327 is able to be moved along a path formed by the second mounting cavity 412 so as to change a distance between the first driving member 41 and the second driving member 42.
  • the resilient element 43 ensures a frictional force generated between the first driving member 41 and the first driving surface 15 and a frictional force generated between the second driving member 42 and the second driving surface 25, such that the adjustment unit 40 can be fixed in any position.
  • the adjustment unit 40 when the light-direction adjustment device is fixed to a certain position, the adjustment unit 40 is preinstalled such that the lamp body unit 20 and the housing 10 are in a vertical condition. At this condition, the resilient element 43 relies on an elastic force generated by the first mounting shaft 326 and the first mounting cavity 411 to ensure the adjustment unit 40 being located on this position stably.
  • the first driving member 41 and the second driving member 42 are synchronously and respectively moved along the trajectory defined by the first driving surface 15 and the second driving surface 25, and the second mounting shaft 327 is moved along a path formed by the second mounting cavity 412. It is understandable that the external force overcomes the frictional force generated between the first driving member 41 and the first driving surface 15 and the friction forced generated between the second driving member 42 and the second driving surface 25. Therefore, this process fixes the change of the lighting direction of the light source 31 of the adjustment unit 40.
  • the first driving member 41 may perform a movement and a displacement toward the first driving surface 15 under the action of the resilient element 43, so that the frictional force is generated between the first driving member 41 and the first driving surface 15.
  • the second driving member 42 may perform a movement and a displacement toward the second driving surface 25, so that the frictional force is generated between the second driving member 42 and the second driving surface 25. Accordingly, the frictional forces generated between each above components ensure that the adjustment unit 40 is fixed on the adjusted position. In other words, when there is no external force applying on the second driving member 42 again, the light emitting direction of the light source 31 will no longer be changed so as to meet the ultimate need of the light-direction adjustment device.
  • the lighting direction of the light source 31 is adjusted with the angle adjustment of the adjustment unit 40 to achieve a multiple angle adjustment.
  • the adjustment unit 40 is positioned in the first receiving chamber 14 formed by the housing 10 and the lamp body unit 20, during a process of the adjustment unit 40 changing the emitting direction of the light source 31, there is no need to occupy additional spaces beside the occupied space of the light-direction adjustment device, so that the light-direction adjustment device can be utilized in a narrow and small space.
  • the light emitting unit 30 comprises a reflecting element 33 mounted on the mounting substrate 321, wherein the reflecting element 33 has a third light channel 331 such that the light generated by the light source 31 is emitted through the third light channel 331.
  • the advantages of the reflecting element 33 include that when the light source 31 emits lights, the lights emit to surroundings with the light source 31 as a base point, and that the reflecting element 33 reflects the lights emitted toward the mounting substrate 321, so that the light emitting direction of the light source 31 has a good directivity and thus an optical effect of the light-direction adjustment device is enhanced.
  • the light emitting unit 30 further comprises a spotlighting element 34.
  • the spotlighting element 34 comprises a fixing portion 341 and a spotlighting portion 342 integrally formed with the fixing portion 341.
  • the second driving member 42 has a retaining portion 424, wherein the fixing portion 341 is fixed to the retaining portion 424.
  • the lights generated by the light source 31 is emitted from the spotlighting portion 342, so that the spotlighting element 34 enables the lights generated by the light source 31 to have a good consistency and thus to improve the utilization of the lights generated by the light source 31.
  • the spotlighting element 34 of the present invention is preferably an optical lens.
  • the spotlighting portion 342 of the spotlighting element 34 gathers the lights to enhance the consistency of the lights, so that the light-direction adjustment device has a better using effect.
  • the light-direction adjustment device can be applied on various locations, such as outdoor, closet, indoor, and so on.
  • the light emitting unit 30 further comprises a second sealing member 35 mounted on the retaining portion 424 so as to ensure a better sealing performance between the spotlighting element 34 and the second driving member 42.
  • the second sealing member 35 is positioned between the spotlighting element 34 and the second driving member 42 so as to seal a gap between the spotlighting element 34 and the second driving member 42, so that a life span of the light-direction adjustment device is prolonged and the security of the light-direction adjustment device is effectively guaranteed.
  • the positional relationship between the light emitting unit 30 and the adjustment unit 40 is stable, so that the light emitting direction of the light source 31 can be changed with the angle adjustment of the adjustment unit 40.
  • the first housing 11 has two blocking cavities 112 disposed symmetrically, wherein the blocking cavities 112 are communicated with the first receiving chamber 14 of the housing 10 and the external environment of the housing 10 and each of the blocking cavities 112 is provided adjacent to the holding portion 26.
  • the light-direction adjustment device further comprises two holding units 50. One end portion of each of the holding units 50 is mounted on the holding portion 26, wherein when each of the holding units 50 rotates around each of the second driving surface 25, each of the blocking cavities 112 provides a rotating space for each of the holding units 50. In other words, during each of the holding units 50 rotating around each of the holding portion 26, each of the holding units 50 will not touch the first housing 11, so that there is a stable positional relationship between the housing 10 and the lamp body unit 20.
  • each of the holding units 50 is made of an elastic material.
  • each of the holding units 50 when the light-direction adjustment device is in a non-assembling status, each of the holding units 50 is preinstalled closely to the first housing 11 of the housing 10, wherein when there is an external force applying on the holding units 50 to drive a free end portion of each of the holding units 50 away from the first housing 11, each of the holding units 50 has an ability of returning to its preinstalled position.
  • the lamp body unit 20 further comprises a stopper portion 27 provided on an outer side of the first positioning element 21. It is understandable that a diameter of the stopper portion 27 is greater than a diameter of the first positioning element 21.
  • the first positioning element 21, the second positioning member 22 and the stopper portion 27 are integrally formed.
  • a catching and holding chamber 51 is formed between the holding units 50 and the stopper portion 27, wherein a size of the catching and holding chamber 51 can be changed with the distance adjustment between the free end portion of the holding units 50 and the first housing 11, so that the holding units 50 and the stopper portion 27 fix the light-direction adjustment device to its preinstalled position.
  • the lamp body unit 20 further comprises a first fixing member 28 and a second fixing member 29, wherein the first fixing member 28 is mounted on the second heat dissipating pieces 323 and a first fixing chamber 281 is formed between the first fixing member 28 and the second heat dissipating pieces 323.
  • the first housing 11 further has a positioning hole 113, wherein the second fixing member 29 is mounted in the positioning hole 113 of the first housing 11 and the second fixing member 29 and the first housing 11 has a stable structural relationship.
  • the second fixing member 29 further has a second fixing chamber 291. Input leads are extended to the interior of the light-direction adjustment device through the second fixing chamber 291 and the first fixing chamber 281 to provide power supply for the light source 31.
  • the transmission conductors extended to the interior of the light-direction adjustment device are fixed to the first fixing member 28 and the second fixing member 29 so as to prevent damages resulting from the output leads entangled in the internal of the light-direction adjustment device, under the precondition of not influencing a normal use of the light-direction adjustment device, when the adjustment unit 40 is faulty operated.
  • FIG. 8 to FIG. 10 of the drawings an implementation form according to an alternative mode of the preferred embodiment of the present invention is illustrated.
  • the second housing 12 comprises a first connecting body 121 and a second connecting body 122, wherein one end portion of the first connecting body 121 is integrally extended to the second housing 12 and the other end portion of the first connecting body 121 is formed to connect with a connecting chamber 1211 having a thread structure.
  • One end portion of the second connecting body 122 forms the first driving surface 15 and the other end portion forms a second connecting member 1221 having a thread structure.
  • the thread structure of the second connecting member 1221 is matched with the thread structure of the connecting chamber 1211 so as to securely connect the second connecting body 122 with the first connecting body 121.
  • first connecting body 121 and the second connecting body 122 are connected by thread structures, a distance between the first driving surface 15 and the second housing 12 is adjusted according to actual needs, so that the reliability of the light-direction adjustment device is improved.
  • FIG. 11 of the drawings another implementation form according to an alternative mode of the preferred embodiment of the present invention is illustrated.
  • the second housing 12 comprises a first connecting body 121A and a second connecting body 122A, wherein one end portion of the first connecting body 121A is integrally extended to the second housing 12 and the other end portion of the first connecting body 121 A is formed to connect with a connecting chamber 1211 A.
  • One end portion of the second connecting body 122A forms the first driving surface 15 and the other end portion of the second connecting body 122A forms a second connecting member 1221A.
  • the second connecting member 1221A is mounted in the connecting chamber 1211A of the first connecting body 121A and the second connecting body 122A is mounted to the first connecting body 121 A.
  • FIG. 12 and FIG. 13 of the drawings one embodiment according to the above preferred embodiment of the present invention is illustrated, wherein the light-direction adjustment device is installed in a relatively narrow wardrobe. Compared with the conventional spotlights, the advantages of the light-direction adjustment device will also be further elaborated and revealed in the following description.
  • the light-direction adjustment device is mounted on a top portion, a side portion or a rear portion of a wardrobe 60, wherein the light-direction adjustment device is mounted on the top potion of the wardrobe 60 as an example.
  • the wardrobe 60 has a top plate 61, wherein the top plate 61 has a pre-installed site 62.
  • a diameter of the pre-installed site 62 is larger than a diameter of the first positioning element 21 and a diameter of the pre-installed site 62 is smaller than a diameter of the stopper portion 27, so that the light-direction adjustment device is extended from a bottom portion of the top plate 61 through the pre-installed site 62 to an upper portion of the top plate 61 and the stopper portion 27 prevents the light-direction adjustment device throughout the pre-installed site 62.
  • each of the holding units 50 External forces are applied on each of the holding units 50 to drive the free end portion of each of the holding units 50 away from the first housing 11, so that the catching and holding chamber 51 is formed between the stopper portion 27 and each of the holding units 50, wherein the top plate 61 is located in the catching and holding chamber 51.
  • each of the holding units 50 has a tendency and a movement back to the preinstalled position due to the characteristics of the materials of each of the holding units 50, so that the top plate 61 is firmly clamped by the stopper portion 27 and each of the holding units 50.
  • the stopper portion 27 and each of the holding units 50 are respectively contacted to a bottom portion and an upper portion of the top plate 61, so that the light-direction adjustment device is mounted on the pre-installed site 62 of the top plate 61.
  • the first receiving chamber 14 formed by the housing 10 and the lamp body unit 20 is adjusted to an appropriate size. In other words, increasing the air for exchanging around the light-direction adjustment device enhances the heat emission efficiency of the light-direction adjustment device. Thus, the light-direction adjustment device in this environment is ensured to be normally used.
  • the above disclosed specific embodiments of the light-direction adjustment device are exemplary only to further illustrated and disclose the advantages of the light-direction adjustment device during installation or removal process.
  • the above embodiments of the present invention are not intended to be limiting.
  • users can select installation sites of the light-direction adjustment device and achieve different using effects of the light-direction adjustment device depending on their own needs.
  • the present invention further provides a method of adjusting a light emitting direction of the light source 31 by means of the light-direction adjustment device, wherein the light-direction adjustment device comprises the light source 31, the adjustment unit 40 mounted to the light source 31, the housing 10, and the lamp body unit 20, wherein the method comprises the following steps.
  • step (a) Generate lights by the light source 31. It will be understandable that after the light source 31 is supplied with power, the lights are generated and are radiated from the light source 31 as a center.
  • the step (a) further comprises the following steps:
  • the step (b) further comprises the following steps.
  • (b.3) Change the light emitting direction of the light source 31 by moving the first driving member 41 and the second driving member 42 along a trajectory defined by first driving surface 15 of the first driving member 41 and the second driving surface 25 of the second driving member 42.
  • the present invention also provides a method of manufacturing the light-direction adjustment device, wherein the method comprises the following steps.
  • (A) Provide the light source 31 to generate lights. It is understandable that after the light source 31 is provided with a power supply, the lights are generated and are radiated from the light source 31 as a center.
  • (C) Form the adjustment unit 40 comprising the first driving member 41 and the second driving member 42, wherein the first driving member 41 and the second driving member 42 are respectively and synchronously moved along a trajectory defined by the first driving surface 15 and the second driving surface 25, so as to change the light emitting direction of the light source 31.
  • the light source 31 is mounted on the adjustment unit 40 such that the light source 31 and the adjustment unit 40 have relative stable positions.
  • the light emitting direction of the light source 31 can be changed with the angle adjustment of the adjustment unit 40.
  • users can adjust the light emitting direction of the light source 31 through the above method to meet the needs of the users.
  • the step (C) further comprises the steps of: providing the resilient element 43 which has two end portions respectively facing toward the first driving member 41 and the second driving member 42, wherein when the second driving member 42 faces toward the first driving member 41 to move, the resilient element 43 ensures the second driving member 42 having a tendency of returning to its preinstalled condition.
EP15740656.2A 2014-01-24 2015-01-13 Dispositif d'ajustement de direction de lumière Active EP3104073B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201420058368 2014-01-24
CN201420159481.6U CN203893076U (zh) 2014-01-24 2014-03-28 光向调整装置
PCT/CN2015/070562 WO2015109959A1 (fr) 2014-01-24 2015-01-13 Dispositif d'ajustement de direction de lumière

Publications (3)

Publication Number Publication Date
EP3104073A1 true EP3104073A1 (fr) 2016-12-14
EP3104073A4 EP3104073A4 (fr) 2017-10-04
EP3104073B1 EP3104073B1 (fr) 2019-06-05

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EP15740656.2A Active EP3104073B1 (fr) 2014-01-24 2015-01-13 Dispositif d'ajustement de direction de lumière

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EP (1) EP3104073B1 (fr)
CN (1) CN203893076U (fr)
DK (1) DK3104073T3 (fr)
WO (1) WO2015109959A1 (fr)

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EP3521690A1 (fr) * 2018-02-06 2019-08-07 Arev Lighting GmbH Lampe intégrée
US11015775B2 (en) 2017-02-06 2021-05-25 Signify Holding B.V. Configurable and adjustable luminaire via guide arms and guide slots
WO2021165085A1 (fr) * 2020-02-17 2021-08-26 Signify Holding B.V. Appareils d'éclairage réglables

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EP3521690A1 (fr) * 2018-02-06 2019-08-07 Arev Lighting GmbH Lampe intégrée
WO2021165085A1 (fr) * 2020-02-17 2021-08-26 Signify Holding B.V. Appareils d'éclairage réglables

Also Published As

Publication number Publication date
EP3104073B1 (fr) 2019-06-05
CN203893076U (zh) 2014-10-22
WO2015109959A1 (fr) 2015-07-30
EP3104073A4 (fr) 2017-10-04
DK3104073T3 (da) 2019-09-16

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