WO2011083258A1 - Appareil d'éclairage et système d'alimentation par induction d'un tel appareil - Google Patents
Appareil d'éclairage et système d'alimentation par induction d'un tel appareil Download PDFInfo
- Publication number
- WO2011083258A1 WO2011083258A1 PCT/FR2011/000002 FR2011000002W WO2011083258A1 WO 2011083258 A1 WO2011083258 A1 WO 2011083258A1 FR 2011000002 W FR2011000002 W FR 2011000002W WO 2011083258 A1 WO2011083258 A1 WO 2011083258A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leds
- inductor
- guide
- lighting apparatus
- sensor
- 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.)
- Ceased
Links
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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
-
- 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
- F21Y2105/00—Planar light sources
-
- 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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- 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]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
Definitions
- the present invention relates to an induction-powered diode (LED) lighting apparatus, to an induction supply system of such apparatus, and to a cabinet for the induction supply of such apparatus .
- LED induction-powered diode
- US-5264997 discloses an induction-powered LED lighting apparatus (LEDs).
- the apparatus comprises a housing enclosing a printed circuit; a secondary winding formed of a spirally wound wire is provided on one side of the printed circuit, and the LEDs connected to the secondary winding are disposed on the other side of the printed circuit.
- the housing is secured to a socket having a primary winding forming an inductor for the secondary winding.
- the housing consists of an opaque bottom and transparent optics secured by adhesive.
- This patent proposes to connect several sets of LEDs in parallel to the secondary winding, the LEDs of each set being connected in series.
- Such a luminaire has a low efficiency and produces a luminous flux whose intensity and color are not controlled, due in particular to the disparity of the characteristics of LEDs of a given model.
- the patent application US2008 / 170398 describes a lighting apparatus comprising a transparent light guide and LEDs whose luminous flux is introduced into the guide by the edge of the guide.
- the convex shape of the underside of the guide tends to provoke the dispersion of the light issuing from the guide by this face.
- This luminaire also has a low efficiency.
- An object of the invention is to provide a lighting apparatus which is improved and / or which remedies, in part at least, the shortcomings or disadvantages of known lighting devices.
- a lighting apparatus comprising an inductor, several LEDs connected to the inductor, a housing or body containing the LEDs, the housing having opaque walls surrounding (delimiting) an opening; the apparatus further comprises a transparent (or translucent) light guide, at least one main face of the guide comprising diffusing elements or patterns, the mutual spacing of which preferably varies along at least one axis.
- the guide extends opposite the opening, the LEDs and the guide being arranged (arranged) so that the luminous flux emitted by the LEDs is, in (large) at least part, introduced (injected) into the guide by minus one edge or slice of the guide.
- the LEDs are integral with at least one printed circuit
- the inductor is integral with one of the opaque walls of the housing, in particular a wall made of a plastic material mixed with a mineral filler;
- the LEDs have an emission spectrum comprising (at least) two maxima for two respective wavelengths which are in a range from about 400 nanometers to about 800 nanometers;
- the apparatus further comprises a capacitor and a rectifier connected in series with the inductor, the capacitor forming with the inductor a circuit tuned to a frequency in a range from about 10 kHz to about 30 kHz;
- the device has several LEDs connected in series, a switch connected in series with the LEDs, and a control unit arranged to control the opening and closing of the switch;
- the apparatus may comprise a first group of LEDs having a transmission spectrum comprising two maxima for two first wavelengths, a first switch connected in series with the LEDs of the first group of LEDs, a second group of LEDs. LEDs having an emission spectrum having two maxima for two wavelengths wavelengths of which at least one is distinct from the first two wavelengths, a second switch connected in series with the LEDs of the second group of LEDs, and a control unit arranged to control the opening and closing of the first and second switches;
- the apparatus comprises a radio transmitter connected to the control unit and arranged to transmit control data transmitted to the lighting apparatus to the control unit by another apparatus arranged near the apparatus of lighting ;
- the apparatus comprises a motion sensor integral with the housing and connected to the control unit so as to enable the control unit to detect movements of the lighting apparatus and to modify the control signals accordingly.
- the inductor is in the form of a spiral and extends substantially parallel to the light guide;
- the apparatus comprises a reflector extending against (or on) a main face of the guide; the apparatus comprises one or more magnets secured to at least one of the walls of the casing and making it possible to keep the luminaire integral with a wall including an inductor adapted to power the luminaire; induction lighting.
- an induction power supply system of a lighting apparatus which comprises a piece of furniture or a structure equipped with an inductor, a generator arranged to feed the inductor;
- the system may comprise a device for remote control of the generator and / or the lighting apparatus, as well as at least one sensor sensitive to the incident luminous flux (ambient), in particular several sensors respectively sensitive to different spectral bands of the luminous flux. incident (ambient).
- the sensor (s) sensitive to the incident luminous flux can (can) be connected (s) - or integrated (s) - to the luminaire, to the remote control device, to the piece of furniture , or to the structure.
- Fig. 1 is a diagram illustrating the main components - and their interconnections - of a lighting apparatus and an induction power supply module of the lighting apparatus, according to one embodiment.
- Fig. 2 is a diagram illustrating the main components - and their interconnections - of a lighting apparatus according to another embodiment.
- Figure 3 is a diagram illustrating the main components - and their interconnections - of a lighting apparatus according to yet another embodiment.
- Figure 4 illustrates, in sectional view, the main components of a lighting apparatus and inductor for inductive power supply of the lighting apparatus, according to one embodiment.
- Figure 5 illustrates, in sectional view, the main components of a lighting apparatus and inductor for inductive power supply of the lighting apparatus, according to another embodiment.
- Figure 6 illustrates, in sectional view, an inductance of a lighting apparatus or a generator according to one embodiment.
- Fig. 7 is a diagram illustrating the main components - and their interconnections - of an induction power supply module of a lighting apparatus, according to one embodiment.
- FIG. 8 is a diagram illustrating the main components - and their interconnections - of a remote control module of a lighting fixture and / or remote control of an induction power supply module of this luminaire, according to an embodiment.
- FIG. 9 illustrates, in plan view, the inductance of a lighting apparatus or a generator according to one embodiment.
- FIG. 10 illustrates, in diagrammatic perspective view, a piece of furniture equipped with an induction feeding system and FIG. 11 illustrates, from the same point of view as for FIG. 10, the piece of furniture of this figure to which is suspended a lighting apparatus.
- the lighting apparatus 20 comprises a thin and transparent light guide 27, illuminated by its two opposite edges or slices 25, 26, by LEDs 23, 24 respectively arranged opposite these two edges.
- the apparatus comprises the necessary number of LEDs which are arranged in rows distributed along one or more of the side faces 25, 26 by which the light emitted by the LEDs is introduced into the guide.
- the LEDs 23, 24 are connected in parallel across an inductor 22.
- the LEDs 23, 24 and the inductor 22 are disposed inside a housing 21 having opaque walls delimiting an opening opposite which extends the light guide 27.
- the apparatus 20 is adapted to be powered by a power supply module 70 which has an inductor 78 connected across an alternating current generator 73.
- the guide 27 has two main faces 50, 51 (that is to say the faces of larger (s) surface or dimensions) which are substantially parallel, and side faces or slices 25 , 26 connecting the main faces 50, 51.
- the main faces of the guide may be flat, especially when the guide 27 is in the form of a flat plate, or curved, for example when the guide 27 is in the form of a cylindrical cap or bent plate (left).
- the guide 27 is made of an optical material such as glass, polycarbonate, or polymethylmethacrylate (PMMA), and has a thickness (reference 55 Figure 4) in a range of about one millimeter to about five millimeters.
- PMMA polymethylmethacrylate
- the "front" main face 50 of the guide is provided with diffusing patterns 52, and a reflector 62 is provided on or against the "rear" face 51 of the guide 27.
- the main "rear" face 51 of the guide is provided with patterns 52 diffusers.
- a reflector is provided on - or against - the "rear” face of the guide, and a diffuser film is further provided on - or against - the "front" face of the guide 27.
- the patterns or diffusing elements 52 may consist of protrusions or elongated depressions, formed or arranged on the face 50.
- the patterns 52 may consist essentially of grooves formed on the face 50 with the aid of a laser beam, the mutual spacing of which varies along at least one axis.
- the spacing of the grooves may decrease regularly from a peripheral zone of the guide to a central zone of the guide.
- the width of the diffusing grooves can be in a range from about 50 microns to about 100 microns.
- the diffusing patterns may extend along axes parallel to the edges of the guide, and / or axes parallel to the rows of LEDs arranged at a short distance from - or against - these edges.
- the diffusing patterns may extend in concentric circles.
- the light 60 emitted by the LEDs undergoes multiple reflections inside the guide 27.
- the diffusing elements 52 cause a scattering of the light emitted by the LEDs and propagating in the guide, towards each of the two faces 50, 51 opposite main of the guide 27.
- the luminous flux respectively emitted by each of the LEDs add up - mix - and result in a homogeneous luminous flux 63 which leaves the guide by its "front" main face 50.
- the LEDs 23 and 24 may have different respective emission spectra.
- the LEDS 23 have an emission spectrum having two maxima for two first wavelengths
- the LEDS 24 have an emission spectrum having two maxima for two seconds wavelengths of which at least one is distinct from the first two wavelengths.
- the first and second wavelengths are generally in the range of about 400 nanometers to about 800 nanometers, so that the LEDs 23, 24 can respectively emit "white” light streams with different color temperatures: bluish light flux whose color temperature may be greater than 5500 Kelvin (K), and a light flux yellowish whose color temperature may be below 5500 K, for example.
- K Kelvin
- some of the LEDs can emit in the infrared or ultraviolet range.
- LEDs make it possible to compensate for the disparities in these "individual" flows that may result from the disparities observed for the direct voltage of the LEDs of a given model, and even more so to compensate for the disparities in these flows resulting from the use of LEDs of different models. - which have distinct emission spectra -.
- the apparatus 20 comprises a capacitor 28 and a rectifier 29 connected in series with the inductor 22.
- the capacitor 28 is chosen to form, with the inductor 22, an oscillating circuit tuned on the resonant at a frequency substantially corresponding to the frequency of the generator (reference 70, FIGS. 1 and 7) of current, the value of which can be located in a range of about 10 to 15 kHz, up to about 25 or 30 kHz.
- the rectifier 29 may be constituted by a bridge of diodes delivering a rectified current between its output terminals, which supplies at least two groups of LEDs 23, 24 connected in parallel, each group of LEDs comprising several LEDS connected in series.
- the LEDs 23, 24 of the CMS type can be mounted on printed circuits 40, 41 (FIG. 4) extending opposite the slices 25, 26 of the guide 27.
- the apparatus 20 further comprises two switches 30, 31 respectively connected in series with the groups of LEDs 23, 24.
- Each switch may consist essentially of a transistor, in particular a MOSFET field effect transistor.
- the apparatus 20 also comprises a control unit 32, such as a microcontroller, arranged (programmed) to control the opening and closing of the switches 30, 31, via links 36, to provide illumination with the intensity and where appropriate the desired colorimetry.
- a control unit 32 such as a microcontroller, arranged (programmed) to control the opening and closing of the switches 30, 31, via links 36, to provide illumination with the intensity and where appropriate the desired colorimetry.
- control modules (not shown) of pulse width modulation type (“PWM") may be integrated in the unit 32 or interposed between this unit and the switches, to control the power supply of the diodes. 23, 24.
- PWM pulse width modulation type
- the control unit 32 is powered by a power supply module 33 connected to the outputs of the rectifier 29, via conductors 37.
- the control unit 32 is also connected to a signal and / or data transmitter 34 via a bi-directional link 39 and to a motion sensor 35 via a link 38.
- Transmitter 34 may consist essentially of a radio control signal transceiver, in particular a Bluetooth® transmitter.
- the transmitter 34 allows the control unit 32 to receive control data transmitted to the apparatus 20 by another apparatus disposed near the apparatus 20 and equipped with a transmitter compatible with the transmitter 34, such as a remote control device 20.
- the motion sensor 35 may consist essentially of one or more accelerometers (s) or gyrometer (s) integral with the housing 21 of the device 20.
- the sensor 35 may for example comprise two or three accelerometers respectively sensitive to acceleration of the housing in two or three orthogonal axes two by two.
- the motion sensor 35 allows the control unit 32 to detect movements of the lighting apparatus 20 and to modify accordingly the control signals provided by the unit 32 to the switches 30, 31.
- the unit 32 may be programmed to vary (increase or decrease) the luminous flux emitted by the LEDs 23 and / or by the LEDs 24 as a function of the signals delivered to it by the sensor 35.
- the sensor 35 comprises a first accelerometer sensitive to accelerations of the housing along a first axis (a first direction), so as to allow the unit 32 to vary the luminous flux emitted by a first group of LEDs. 23 according to the movements imparted to the housing by a user along this axis, and the sensor 35 comprises a second accelerometer sensitive to acceleration of the housing along a second axis orthogonal to the first axis, so as to allow the unit 32 to vary the luminous flux emitted by a second group of LEDs 24 according to movements imparted to the housing along this second axis.
- the housing comprises a flat wall 43 forming a bottom, and walls 42, 44 extending from the wall 43 and delimiting an opening 45 which is closed by the guide 27.
- the opaque walls 42 to 44 of the housing and the guide thus prohibit the exit of the light 60 injected by the LEDs into the guide, out of the housing, other than through the front face 50 of the guide.
- the inductor 22 is integral with the wall 43 on the inside of which it extends.
- the inductance 22 acting as an armature may be formed by a conductor having a substantially rectangular spiral shape; it may be the same for the inductor 78 serving as an inductor.
- the inductor 22 may in some cases be made in the form of tracks of a printed circuit, or by winding a conductive wire coated with an insulator; preferably, however, the inductor 22 is made by cutting or etching, from a sheet of conductive material.
- the inductor 22 is formed of a strip or track of a conductive material such as copper, which comprises several successive rectilinear segments such as those marked 46 to 48 FIG. 9.
- the inductor 22 has a terminal 49, 53 at each of its two ends, for its connection to the components 28, 29 of the apparatus 20.
- the thickness 54 of the conductive segments of the inductor 22 may be in a range from about 0.2 millimeters to about 0.6 or 1 millimeter, in particular of the order of 0.3 to 0.6 millimeters.
- the width 57 of these segments may be at least equal to their thickness.
- the inductance illustrated in FIG. 9 may be obtained by etching or cutting a copper foil so as to provide a sufficient space between two adjacent conductive segments.
- the spiral conductor thus obtained has a substantially rectangular section and may be coated with or embedded in an insulating material.
- the width 88 of the conductive segments may be at least equal to twice or triple their thickness 87 (FIG. 5).
- the inductance is obtained by winding a conducting wire 58 of rectangular section coated with an insulator 59, so as to form a spiral with contiguous "turns" having the thickness 54.
- the bottom wall 43 of the housing 21 may have a thickness of the order of one or more millimeters (s), and the housing 21 may have a thickness 56 of the order of 10 or 20 millimeters.
- This wall 43 may be made of plastic, in particular a plastic material comprising a mineral filler in the form of powder or small particles.
- a magnet 61 is partly at least included in the wall 43, on the outer face of which the magnet is substantially flush.
- the magnet makes it possible to suspend the apparatus 20 at a vertical wall 64 including an inductor 78 adapted to power the apparatus 20 by induction, as illustrated in FIGS. 4, 10 and 11.
- the wall comprises a metal structure 65 disposed substantially flush with the outer face 66 of the wall 64, and adapted to cause, when placed in the magnetic field of the magnet 61, a force of mutual attraction between the walls 43 and 64 which is sufficient to compensate for the weight of the apparatus 20.
- the housing of the apparatus 20 comprises a planar base 43 by which the apparatus rests on the upper face 86 of a support 68 plane forming part of a piece of furniture 85, the base 43 incorporating the armature 22.
- the housing has opaque walls 42, 44 circling the guide 27 and enclosing, with the guide, the printed circuits 40, 41 receiving the LEDs.
- the housing also comprises an arm 84 connecting the upper part of the housing - ie the walls 42, 44 - to the base 43. Inside the arm 84 run conductors 69 serving to connect the armature 22 to the printed circuits 40, 41 .
- the diffusing patterns 52 cause the luminous flux 63 to be emitted by the two main faces of the guide.
- the support 68 under which the inductor 78 is glued may form at least a portion of the horizontal plate of a piece of furniture 85 such as a table or desk.
- the base 43 and / or the support 68 may be made in a plastic material comprising a mineral filler such as quartz or an alumina hydrate, which makes it possible to limit the heating of the walls 43, 68 placed in the magnetic field produced by the inductor, without weakening or disturbing this magnetic field, and if necessary to diffuse the heat produced by the LEDs.
- the base and the support can be made from Corian® plates proposed by the company Du Pont de Nemours.
- the power supply module - or generator - 70 comprises, inside a housing 71, a converter producing an alternating current at a frequency corresponding substantially to that of the resonant circuit of the feed.
- the converter comprises an "H" bridge whose central branch consists of the inductor 78 connected in series with a capacitor 79.
- the four switches 74 to 77 of the "H" bridge may consist respectively of four MOSFET transistors.
- control of transistors 74 to 77 is provided by a control unit 72, such as a microcontroller.
- the microcontroller 72 receives for this purpose the signals / data delivered by a converter 80 connected to a current sensitive sensor 83 passing through the inductance 78, on the one hand, and the signals / data delivered (e) s by another converter 81 for measuring the voltage in the bridge, on the other hand.
- the current sensor 83 is inserted in the central branch of the "H" bridge, between the capacitor 79 and the inductor 78.
- the current sensor 83 can be used to detect the variations in the current flowing through inductance 78 and to deduce the presence - or absence thereof - of an armature in the magnetic field produced by inductance 78; it can thus be used to detect the presence of an apparatus to feed by induction.
- the microcontroller 72 is also connected to a transmitter 82 radio, to send control data to the device 20 and / or to receive control data transmitted by a remote control device of the generator 70.
- the remote control device 90 comprises, inside a housing 91, a control unit 92, such as a microcontroller, which is connected to a display 93 and to a keyboard comprising minus a key 94 allowing the validation of choices made by a user.
- a control unit 92 such as a microcontroller
- the microcontroller 92 is also connected to a radio transmitter 95 for sending control data to the apparatus 20 and / or the generator 70, as well as to a clock 96.
- the microcontroller 92 is also connected to three sensors: a sensor
- the housing 91 responsive to the (overall) intensity of the ambient light flux, i.e. incident flux on the remote control 90; a sensor 98 sensitive to several spectral bands of the ambient luminous flux; and a motion sensitive sensor 99 of the housing 91.
- the sensor 97 may comprise a single photodiode and the sensor
- 98 may comprise several photodiodes or groups of photodiodes having distinct reception - sensitivity spectra.
- the control unit 92 can be programmed to transmit, via the transmitter 95, control signals from the lighting apparatus 20, in order to vary the spectrum or the intensity of the light emitted by the LEDs. of this apparatus, in particular according to the signals which are delivered to it by the photodiodes.
- the analysis of the ambient light detected by the photodiodes 97, 98 enables the microcontroller 92 to determine whether the level and / or the spectrum of illumination required by a user requires additional illumination by the LEDs of the apparatus 20.
- the analysis of the signals delivered by the photodiodes can be done "in integral", in for example using a filter corresponding to the sensitivity of a human eye.
- the analysis can be done "in colorimetry", by comparing the level of illumination measured in several spectral bands - i.e., several wavelength ranges - at certain levels of illumination.
- Predetermined levels of illumination may be stored in a memory and may be read by the microcontroller 92 to provide illumination according to a user selected illumination mode.
- the lighting mode can be selected from a constant white light mode, a dimming mode according to a daily cycle, or an intensive lighting mode.
- these can be associated with a (equipped with) a mask making it possible to avoid direct illumination of the sensors by the apparatus 20 and / or by radiation solar direct.
- the sensors 97, 98 may be associated with an optical member providing them with a wide "vision" field, with a filter, or with a frosted glass.
- the sensors 97, 98 can be integrated in the lighting apparatus 20 and connected to the control unit of this apparatus.
- these sensors can be further arranged to receive and detect optical remote control signals transmitted by a suitable optical transmitter integrated in the remote control device 90.
- the sensors 97, 98 may be integrated into a piece of furniture or a structure comprising the induction circuit, and / or to the generator 70.
- the motion sensor 99 enables the control unit 92 to detect movements of the housing 91 and to modify accordingly the control signals delivered by the unit 92, as described above. concerning the motion sensor 35 integrated in the housing of the apparatus 20.
- the cabinet 85 comprises a base 100 through which the furniture can rest on the ground for example, and a panel 101 integral with the base and extending vertically from the latter .
- a spiral-shaped inductor 78 of rectangular contour, vertically elongate, and two metal reinforcements 104 in the form of vertical bars are arranged inside the panel 101.
- the base 100 houses a circuit (73 Figure 1) for supplying the inductor 78, the circuit (not shown) being connected to the two terminals of the inductor.
- the magnetic armatures 104 which extend substantially over the entire height 102 of the inductor 78, allow a luminaire 20 (FIG. 1 1) whose height 103 is less than that of the inductor and which is equipped with magnets adapted to be suspended from the furniture 85 by virtue of the mutual attraction force of the magnets and armatures 104, and this at different heights along the vertical longitudinal axis of the panel 101.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112012016444-9A BR112012016444A2 (pt) | 2010-01-05 | 2011-01-04 | aparelho de iluminação e sistema de alimentação por indução de um tal aparelho. |
| EP11705001.3A EP2522201B1 (fr) | 2010-01-05 | 2011-01-04 | Appareil d'éclairage et système d'alimentation par induction d'un tel appareil |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1000024A FR2955011B1 (fr) | 2010-01-05 | 2010-01-05 | Appareil d'eclairage et systeme d'alimentation par induction d'un tel appareil |
| FR1000024 | 2010-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011083258A1 true WO2011083258A1 (fr) | 2011-07-14 |
Family
ID=42669511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2011/000002 Ceased WO2011083258A1 (fr) | 2010-01-05 | 2011-01-04 | Appareil d'éclairage et système d'alimentation par induction d'un tel appareil |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2522201B1 (fr) |
| BR (1) | BR112012016444A2 (fr) |
| FR (1) | FR2955011B1 (fr) |
| WO (1) | WO2011083258A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015022453A2 (fr) | 2013-08-12 | 2015-02-19 | Philox | Appareil autonome et système comportant un tel appareil |
| CN107257592A (zh) * | 2017-05-23 | 2017-10-17 | 浙江大学 | 隧道无线照明自动调节装置及其无线照明自动调节方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3003008B1 (fr) * | 2013-03-11 | 2018-02-16 | Ipw Europe. | Lampe rechargeable et dispositif de charge |
| NO342483B1 (no) * | 2013-09-02 | 2018-05-28 | Nexans | Lyssystem, krafttilførselskabel til lyssystemet og en fremgangsmåte for installering av lyssystemet |
| US10306715B2 (en) | 2015-08-31 | 2019-05-28 | Tridonic Gmbh & Co Kg | Assembly with control gear for lamps |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264997A (en) | 1992-03-04 | 1993-11-23 | Dominion Automotive Industries Corp. | Sealed, inductively powered lamp assembly |
| DE102006023694A1 (de) * | 2005-05-23 | 2006-11-30 | Mitsubishi Denki K.K. | Planarlichtquellenvorrichtung und Anzeigevorrichtung, welche dieselbe verwendet |
| US20080170398A1 (en) | 2007-01-16 | 2008-07-17 | Led Folio Corporatioin | Circular LED panel light |
| EP2076094A1 (fr) * | 2007-12-25 | 2009-07-01 | Foxsemicon Integrated Technology, Inc. | Dispositif lumineux à semi-conducteur |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2838179B1 (fr) * | 2002-04-05 | 2004-12-24 | Phlox | Appareil de retroeclairage |
| US7909483B2 (en) * | 2006-07-21 | 2011-03-22 | Koninklijke Philips Electronics N.V. | Lighting system |
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2010
- 2010-01-05 FR FR1000024A patent/FR2955011B1/fr not_active Expired - Fee Related
-
2011
- 2011-01-04 EP EP11705001.3A patent/EP2522201B1/fr active Active
- 2011-01-04 WO PCT/FR2011/000002 patent/WO2011083258A1/fr not_active Ceased
- 2011-01-04 BR BR112012016444-9A patent/BR112012016444A2/pt not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264997A (en) | 1992-03-04 | 1993-11-23 | Dominion Automotive Industries Corp. | Sealed, inductively powered lamp assembly |
| DE102006023694A1 (de) * | 2005-05-23 | 2006-11-30 | Mitsubishi Denki K.K. | Planarlichtquellenvorrichtung und Anzeigevorrichtung, welche dieselbe verwendet |
| US20080170398A1 (en) | 2007-01-16 | 2008-07-17 | Led Folio Corporatioin | Circular LED panel light |
| EP2076094A1 (fr) * | 2007-12-25 | 2009-07-01 | Foxsemicon Integrated Technology, Inc. | Dispositif lumineux à semi-conducteur |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015022453A2 (fr) | 2013-08-12 | 2015-02-19 | Philox | Appareil autonome et système comportant un tel appareil |
| US10116166B2 (en) | 2013-08-12 | 2018-10-30 | Phlox | Autonomous apparatus and system comprising such an apparatus |
| CN107257592A (zh) * | 2017-05-23 | 2017-10-17 | 浙江大学 | 隧道无线照明自动调节装置及其无线照明自动调节方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2955011A1 (fr) | 2011-07-08 |
| EP2522201B1 (fr) | 2019-10-16 |
| EP2522201A1 (fr) | 2012-11-14 |
| BR112012016444A2 (pt) | 2018-05-15 |
| FR2955011B1 (fr) | 2012-02-24 |
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