CN103987148A - Dimmable light-emitting-diode illumination system, and driving device and driving method thereof - Google Patents
Dimmable light-emitting-diode illumination system, and driving device and driving method thereof Download PDFInfo
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- CN103987148A CN103987148A CN201310050537.4A CN201310050537A CN103987148A CN 103987148 A CN103987148 A CN 103987148A CN 201310050537 A CN201310050537 A CN 201310050537A CN 103987148 A CN103987148 A CN 103987148A
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- 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]
- H05B45/10—Controlling the intensity of the light
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Abstract
Disclosed is a dimmable light-emitting-diode illumination system which includes a light-emitting-diode light group, a switch and a driving device. The light-emitting-diode light group is used for receiving electrical signals and generating light. The switch is connected with a power supply so as to switch on or switch off in a controlled manner in a preset time to output a pulse signal. The driving device is electrically connected with the switch and the light-emitting-diode light group so as to receive electrical energy of the power supply when the switch is switched on and convert the electrical energy to electrical signals which are supplied to the light-emitting-diode light group to drive the light-emitting-diode light group to generate light. Moreover, the driving device stores a total luminance value, a default lighting mode and a luminance adjustment mode so that it is convenient for the driving device to drive the light-emitting-diode light group in one of the modes to generate light when receiving the pulse signal.
Description
Technical field
The present invention is the illuminator that is applied to light-emitting diode, refers to especially a kind of LED illumination system and drive unit and driving method of tunable optical.
Background technology
Current modal fluorescent lamp illuminating system, for reaching the selection of different brightness, select brightness (because fluorescent tube cannot light modulation the combination of bright pipe number that utilizes different fluorescent tubes, can only have bright, two states goes out), but take this kind of method will cause again the inhomogeneous phenomenon of brightness of illumination, and this kind of compound mode can limit to some extent because of the fluorescent tube number that light fixture can be supported, causes the combination that every kind of light fixture has to be restricted.
And the in the situation that of pay attention to day by day environmental protection now, energy transition rate, because light-emitting diode has the preferably efficiency of electric light conversion compared to incandescent lamp bulb and fluorescent lamp.Therefore in the application of illuminator, LED lamp has the trend that gradually replaces incandescent lamp and fluorescent lamp.And on the design focal point of the drive unit of current LED lamp, be all how can, in the time that input voltage changes, can also make its brightness constant by stabilized driving light-emitting diode.Thus, if must adjust brightness, must add in addition that the dimmer matching with drive unit produces control signal adjusted.But prevailing along with light-emitting diode, the design of dimmer is day by day variation also, makes each drive unit and cannot effectively be applicable to the dimmer of various different sizes.Therefore, dimmer has its restriction and difficulty in actual use with coordinating of drive unit.
In addition, with the dimmer design of current light-emitting diode, be difficult to directly replace the lighting device of existing existing dimming function, and general user also can not remove in order to install LED lamp to revise or again purchase the devices such as room wiring that existing incandescent lamp bulb and daylight lamp fixture use, light fixture, switch.Therefore LED lamp has the advantage of power saving environmental protection, but with current existing switch and lamp device, LED lamp also only has two kinds of selections of light on and off, and cannot accomplish selection and the switching of brightness.
Therefore, how can need not change under the situation of existing distribution, existing light fixture or device, drive in design application in light-emitting diode, can drive and drive lamp directly to replace existing illuminating lamp with light-emitting diode by stabilized driving light-emitting diode, except allowing light-emitting diode drive lamp except possessing original function, and increase light modulation selection function, be problem to be solved.
Summary of the invention
The object of the present invention is to provide LED illumination system and drive unit and the driving method of a tunable optical, need not change under the situation of existing distribution, existing switch or device, make the drive unit of light-emitting diode there is dimming function, and then allow LED lamp except possessing original function, and increase light modulation selection function.
For achieving the above object, the LED illumination system of tunable optical provided by the invention, includes:
One LED light lamp group, in order to receive electric signal and to produce light;
One switch, is connected with a power supply, is used to close controllably and open to export a pulse signal in the scheduled time; And
One drive unit, is electrically connected this switch and this LED light lamp group, while being used to this switch conduction, receiving the electric energy of this power supply and converts electric signal to for giving this LED light lamp group, to drive this LED light lamp group to produce light person; In addition, this drive unit has a controller, and this controller stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and produces light with this LED light lamp group of a kind of mode activated wherein; Wherein:
This acquiescence light illumination mode drives this LED light lamp group to produce the light with the stored total luminance value of this controller;
This LED light lamp group of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving this pulse signal, record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
The LED illumination system of described tunable optical, wherein, this drive unit includes a power-switching circuit, and this controller includes the circuit for detecting that is of coupled connections and can program chip, and this can store this total luminance value, this acquiescence light illumination mode and this brightness adjustment pattern in program chip; This power-switching circuit one side is electrically connected this power supply, and opposite side property connects this LED light lamp group, in order to receive the electric energy of this power supply and to convert electric signal to for giving this LED light lamp group; This circuit for detecting and this mode switch are electrically connected, and whether produce this pulse signal in order to detect this mode switch; This can program chip and this power-switching circuit be electrically connected, while exporting this pulse signal in order to detect this mode switch when this circuit for detecting, control this power-switching circuit with this LED light lamp group generation light of a kind of mode activated wherein.
The LED illumination system of described tunable optical, wherein, this controller include an optical coupler be electrically connected this circuit for detecting and this can program chip, and this circuit for detecting and this can program chip be to be of coupled connections in optical coupling mode by this optical coupler.
The LED illumination system of described tunable optical, wherein, this LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode, in this controller, store one first brightness ratio, one second brightness ratio and a colourity adjustment modes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value, and in this acquiescence light illumination mode and this brightness adjustment pattern, those first light-emitting diodes produce the light with this first brightness ratio, those second light-emitting diodes produce the light with this second brightness ratio, this colourity adjustment modes is to drive this LED lamp to produce light, and change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, until while receiving again this pulse signal, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
The LED illumination system of described tunable optical, wherein, stores a complete bright pattern in this controller, drive this LED lamp to produce the light of maximum brightness value under rated power.
The LED illumination system of described tunable optical, wherein, this scheduled time is 3 seconds.
The LED illumination system of described tunable optical, wherein, this switch includes the Switch structure and the automatic resetting formula closed type construction of switch that are connected in series, and wherein a construction of switch is connected with this power supply, and an other construction of switch is electrically connected with this drive unit.
The LED illumination system of described tunable optical, wherein, this switch includes a diode, and this diode is in parallel with this automatic resetting formula closed type construction of switch.
Drive unit provided by the invention, in order to drive at least one light-emitting diode to produce light, and includes:
One power-switching circuit, a side is coupled to a power supply, and opposite side property connects this at least one light-emitting diode, in order to supply to give this at least one light-emitting diode by the electric energy of this power supply and after converting electric signal to, to drive this at least one light-emitting diode to produce light; And
One controller, is electrically connected this power-switching circuit, and stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and produces light in order to control this power-switching circuit with this at least one light-emitting diode of a kind of mode activated wherein; Wherein:
This this power-switching circuit of acquiescence light illumination mode control drives this at least one light-emitting diode to produce the light with the stored total luminance value of this controller;
This at least one light-emitting diode of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving a pulse signal, record the brightness value of the light that this at least one light-emitting diode produced instantly, and the brightness value of record is replaced to original total luminance value storing, and control this power-switching circuit and drive this at least one light-emitting diode to produce the light with new total luminance value.
Described drive unit, wherein, this controller includes the circuit for detecting that is of coupled connections and can program chip; Whether this circuit for detecting produces this pulse signal in order to detect this mode switch; This can store this total luminance value, this acquiescence light illumination mode and this brightness adjustment pattern in program chip, and be electrically connected with this power-switching circuit, in order in the time that this circuit for detecting detects this pulse signal, control this power-switching circuit and produce light with this LED light lamp group of a kind of mode activated wherein.
Described drive unit, wherein, this controller include an optical coupler be electrically connected this circuit for detecting and this can program chip, and this circuit for detecting and this can program chip be to be of coupled connections in optical coupling mode by this optical coupler.
Described drive unit, wherein, this at least one light-emitting diode is two light-emitting diodes, and is respectively one first light-emitting diode and one second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode, in this controller, store one first brightness ratio, one second brightness ratio and a colourity adjustment modes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value, and in this acquiescence light illumination mode and this brightness adjustment pattern, this first light-emitting diode produces the light with this first brightness ratio, this second light-emitting diode produces the light with this second brightness ratio, this colourity adjustment modes system controls this power-switching circuit and drives those light-emitting diodes to produce light, and change gradually the brightness ratio of this first light-emitting diode and this second light-emitting diode, until while detecting again this pulse signal, record this first light-emitting diode and this second light-emitting diode brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and control this power-switching circuit and continue to drive this first light-emitting diode and this second light-emitting diode to produce the light with new brightness ratio.
Described drive unit, wherein, stores a complete bright pattern in this controller, control this power-switching circuit and drive this LED lamp to produce the light of maximum brightness value under rated power.
The driving method of drive unit provided by the invention, in order to drive a LED light lamp group to produce light, and stores a total luminance value in this drive unit; This driving method includes the following step:
A) drive this LED light lamp group to produce the light with this total luminance value;
B) drive this LED light lamp group to produce the light that changes gradually brightness value;
C) record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
Described driving method, wherein, before steps A, includes a step: drive this LED light lamp group to produce the light of maximum brightness value under rated power.
Described driving method, wherein, after steps A, includes a step: drive this LED light lamp group to produce the light of maximum brightness value under rated power.
Described driving method, wherein, this drive unit stores one first brightness ratio, one second brightness ratio; This LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode; Before step B, include a step: change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value; Then, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
Described driving method, wherein, this drive unit stores one first brightness ratio, one second brightness ratio; This LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode; After step C, include a step: change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value; Then, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
By above-mentioned design, need not change under the situation of existing distribution, existing switch or device, make the drive unit of light-emitting diode there is dimming function.Thus, except allowing LED lamp except possessing original function, user only needs the switching by switch, can carry out light modulation selection.
Brief description of the drawings
Fig. 1 is the circuit block diagram of first embodiment of the invention;
Fig. 2 is the circuit block diagram of second embodiment of the invention;
Fig. 3 is the circuit diagram of the switch of third embodiment of the invention.
Symbol description in accompanying drawing:
10 LED light lamp groups;
20 switches;
30 drive units; 32 power-switching circuits; 34 controllers; 341 optical couplers; 342 circuit for detecting; 343 can program chip;
40 LED light lamp groups; 41 first light-emitting diodes; 42 second light-emitting diodes;
50 switches;
60 drive units; 62 power-switching circuits; 64 controllers; 642 circuit for detecting; 643 can program chip;
70 constructions of switch; 72 Switch structures; 74 automatic resetting formula closed type constructions of switch; 76 diodes;
100 power supplys.
Embodiment
The LED illumination system of tunable optical provided by the invention, it includes a LED light lamp group, a switch and a drive unit; This LED light lamp group is in order to receive electric signal and to produce light person; This switch is connected with a power supply, is used to close controllably and open to export a pulse signal in the scheduled time; This drive unit is electrically connected this switch and this LED light lamp group, while being used to this switch conduction, receiving the electric energy of this power supply and converts electric signal to for giving this LED light lamp group, to drive this LED light lamp group to produce light person; In addition, this drive unit has a controller, and this controller stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and this drive unit is while receiving pulse signal, just produces light with this LED light lamp group of a kind of mode activated wherein.Wherein, this acquiescence light illumination mode is to drive this LED light lamp group to produce the light with the stored total luminance value of this controller; This LED light lamp group of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving again this pulse signal, record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
According to above-mentioned design, the present invention also provides a kind of drive unit, in order to drive at least one light-emitting diode to produce light, and includes a power-switching circuit and a controller; Wherein, this power-switching circuit one side is coupled to a power supply, opposite side property connects this at least one light-emitting diode, in order to supply to give this at least one light-emitting diode by the electric energy of this power supply and after converting electric signal to, to drive this at least one light-emitting diode to produce light; This controller is electrically connected this power-switching circuit, and stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern; In the time that this controller detects a pulse signal, just produce light to control this power-switching circuit with this at least one light-emitting diode of a kind of mode activated wherein.Wherein, this this power-switching circuit of acquiescence light illumination mode control drives this at least one light-emitting diode to produce the light with the stored total luminance value of this controller; This at least one light-emitting diode of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving again this pulse signal, record the brightness value of the light that this at least one light-emitting diode produced instantly, and the brightness value of record is replaced to original total luminance value storing, and control this power-switching circuit and drive this at least one light-emitting diode to produce the light with new total luminance value.
According to above-mentioned design, this LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode, in this controller, also store one first brightness ratio, one second brightness ratio and a colourity adjustment modes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value, and in this acquiescence light illumination mode and this brightness adjustment pattern, those first light-emitting diodes produce the light with this first brightness ratio, those second light-emitting diodes produce the light with this second brightness ratio, this colourity adjustment modes drives this LED lamp to produce light, and change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, until while receiving again this pulse signal, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
According to above-mentioned design, in this controller, also store a complete bright pattern, drive this LED lamp to produce the light of maximum brightness value under rated power.
According to above-mentioned design, the present invention also provides a kind of driving method of drive unit, in order to drive a LED light lamp group to produce light, and in this drive unit, stores a total luminance value; This driving method includes the following step:
A) drive this LED light lamp group to produce the light with this total luminance value;
B) drive this LED light lamp group to produce the light that changes gradually brightness value;
C) record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
According to above-mentioned design, before steps A or after steps A, also include a step: drive this LED light lamp group to produce the light of maximum brightness value under rated power.
According to above-mentioned design, this drive unit also stores one first brightness ratio, one second brightness ratio; This LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode; Before step B or after step C, also include a step: change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value; Then, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
For being illustrated more clearly in the present invention, lift preferred embodiment and coordinate diagram to be described in detail as follows.
Refer to Fig. 1, the LED illumination system of the tunable optical of preferred embodiment of the present invention includes a LED light lamp group 10, a switch 20 and a drive unit 30.Wherein:
This LED light lamp group 10 is installed in wall or the ceiling (not shown) of building, and has a plurality of light-emitting diodes, provides user to throw light in order to continue to receive electric signal so that those light-emitting diodes produce light.In addition, this LED light lamp group 10 can produce the light below maximum brightness value under its rated power, and understands according to the size of electric signal or the difference of frequency that receive, and the brightness of the corresponding light of adjusting its generation.
This switch 20 is installed on the wall of building, is connected with a power supply (being civil power) 100, is used to close controllably and open to export a pulse signal in the scheduled time.In the present embodiment, the scheduled time setting is 3 seconds, this means, after user blocks this switch 20, with interior conducting and cause the change of the waveform of passed through electric energy rapidly again, can be judged as output pulse signal in 3 seconds.
30 of this drive units can together be installed in wall or the ceiling in building with this LED light lamp group integration.This drive unit 30 includes a power-switching circuit 32 and a controller 34.This power-switching circuit 32 is electrically connected this switch 20 and this LED light lamp group 10, and couple with this power supply 100 by this switch 20, while being used to this switch 20 conducting, receive the electric energy of this power supply 100 and convert electric signal to for giving this LED light lamp group 10, to drive this LED light lamp group 10 person that produces light.In the present embodiment, this power-switching circuit 32 is with pulse width modulation (Pulse Width Modulation, PWM) circuit is that basis is designed, and adjusts for the electric signal band width that gives this LED light lamp group 10 by the mode of pulse width modulation.Certainly, on reality is implemented, this power-switching circuit 32 also can be the circuit design of adjusting electric signal size or other adjustment electric signals.This controller 34 is electrically connected with this power-switching circuit 32, and include an optical coupler 341, a circuit for detecting 342 and can program chip 343.This optical coupler electrical 341 connects this circuit for detecting 342 can program chip 343 with this, and this circuit for detecting 342 can be of coupled connections in the mode of optical coupling by program chip 343 with this.342 of this circuit for detecting are electrically connected these switches 20, whether closed rapidly and open and export this pulse signal in order to detect this switch 20, and by this optical coupler 341, the transmission of detecting result is given to this can program chip 343.This can be electrically connected this power-switching circuit 32 by program chip 343, and store a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and with electric signal that wherein this power-switching circuit 32 of a kind of pattern control is exported, to drive this LED light lamp group 10 to produce light, and utilize this circuit for detecting to detect the foundation of whether switching as pattern of pulse signal.Wherein:
This power-switching circuit of this acquiescence light illumination mode control 32 drives this LED light lamp group 10 to produce to have the light of this can program chip 343 stored total luminance value.
This power-switching circuit 32 of this brightness adjustment pattern control drives this LED light lamp group 10 to produce light, and change gradually the brightness of light, until this circuit for detecting 342 is while detecting this pulse signal (now this power-switching circuit 32 also can receive this pulse signal), record the brightness value of the light that this LED light lamp group 10 produced instantly, and by the brightness value of record replace this can program chip 343 in original total luminance value storing, and drive this LED light lamp group 10 to produce the light with new total luminance value.
Thus, just can utilize following methods to drive this LED lamp 10 to produce required light by this drive circuit:
After these switch 20 conductings, this can program chip 343 be just controlled this power-switching circuit 32 and drives this LED light lamp group 10 with this acquiescence light illumination mode., this LED light lamp group 10 has generation in the light of this total luminance value.
In the time that user's wish is adjusted the brightness of this LED light lamp group 10, close rapidly and open this switch 20 to produce this pulse signal.This circuit for detecting 342 records after pulse signal, just by this optical coupler 341, detecting result being passed to this can program chip 343, makes this can program chip 343 switch to this brightness adjustment pattern and controls this power-switching circuit 10 and drive these LED light lamp groups 10.In other words, user closes rapidly and opens after this switch 20, just can make this LED light lamp group 10 produce the light that changes gradually brightness value.And in the present embodiment, be with gradually bright to maximum brightness value, more gradually secretly to minimum luminance value (approach extinguish state), then gradually bright circulation again.Certainly on the implementation, also first gradually secretly gradually bright again, also or repeat gradually bright work or dark process gradually, reach the object that changes gradually brightness value.Then, change in the process of brightness, in the time that user wants the brightness of the light that LED light lamp group 10 is produced to be parked in brightness instantly, again close rapidly and open this switch 20 to produce this pulse signal, this can receive after the signal transmitting when this circuit for detecting 342 records this pulse signal by program chip 343, just record the brightness value of the light that this LED light lamp group 10 produced instantly, and the brightness value of record is replaced to original total luminance value storing, and control this power-switching circuit 32 and drive this LED light lamp group 10 to produce the light with new total luminance value.
Thus, by the design of above-mentioned this drive unit, need not change under the situation of existing distribution, existing switch, except allowing LED light lamp group 10 except possessing the original function of opening and close, user, by the switching of switch, can carry out the light modulation of LED light lamp group 10 and select.
In addition, refer to Fig. 2, the LED illumination system of the present invention's the second preferred embodiment tunable optical includes the LED light lamp group 40, a switch 50 and the drive unit 60 that give the identical annexation of previous embodiment.And be that with above-mentioned difference this LED light lamp group 40 includes a plurality of the first light-emitting diodes 41 and a plurality of the second light-emitting diode 42, and respectively this second light-emitting diode 42 photochromic is different from the photochromic of each this first light-emitting diode 41.For instance, the photochromic of this first light-emitting diode 41 is cold light colour system (as white light, blue light etc.), and the photochromic of this second light-emitting diode 42 is warm photochromic system (as gold-tinted, ruddiness etc.).One side of the output electric signal of the power-switching circuit 62 of this drive unit 60 is connected to respectively those first light-emitting diodes 41 and those the second light-emitting diodes 42, to control the brightness ratio of those light-emitting diodes 41,42, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio of this total luminance value, to reach the colour temperature of adjusting the light that produces of this LED light lamp group 40.
For achieving the above object, its controller 64 can program chip 643 except storing the driving data of this total luminance value, this acquiescence light illumination mode and this brightness adjustment pattern, also store one first brightness ratio, one second brightness ratio and a colourity adjustment modes.And in aforesaid this acquiescence light illumination mode and this brightness adjustment pattern, those first light-emitting diodes 41 of this LED light lamp group 40 produce the light with this first brightness ratio, those second light-emitting diodes 42 generation have the light of this second brightness ratio, and in the time of brightness adjustment, those first light-emitting diodes 41 all remain unchanged with the brightness ratio of those the second light-emitting diodes 42.Thus, just can design this drive circuit 60 before or after this brightness adjustment pattern is carried out, by detecting this pulse signal as the foundation that switches to this colourity adjustment modes, and in this colourity adjustment modes, this can drive these LED lamps 40 to produce light by this power-switching circuit 62 of program chip 643 controls, and in the situation that total luminance value is constant, change gradually those first light-emitting diodes 41 in this LED lamp 40 and the brightness ratio of those the second light-emitting diodes 42, until this circuit for detecting 642 while detecting again this pulse signal (user want to use brightness ratio instantly and close fast while opening this switch 50), record those first light-emitting diodes 41 and those the second light-emitting diodes 42 brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes 41 and those the second light-emitting diodes 42 to produce the light with new brightness ratio.Thus, by above-mentioned design, user only needs by the switching of this switch 50, can carry out the selection of light modulation and toning.
In addition, for making user convenient on illumination is used, this of the various embodiments described above also can be in the complete bright pattern of storage in can program chip 343,643, and (i.e. when this switch 20,50 conducting at the beginning) carried out this complete bright pattern or after this predetermined light illumination mode, detected this pulse signal and switch to this complete bright pattern before this predetermined light illumination mode.And under this complete bright pattern, this can program chip the 343, the 643rd, controls this power-switching circuit 32,62 and drives this LED lamp 10,40 to produce the light of maximum brightness value under rated power, and must not pass through again brightness adjustment, can meet quickly and easily the demand of user's highlight illumination.
Moreover aforementioned each embodiment is in the time that pattern is switched, this LED light lamp group 10,40 can be extinguished because of the blocking state that this switch 20,50 switches moment, causes user's eyes easily because going out fast of light is bright and uncomfortable.Therefore, the switch 20,50 of aforementioned each embodiment is replaceable one-tenth switch 70 as shown in Figure 3 also, it includes a Switch structure 72, an automatic resetting formula closed type construction of switch 74 and a diode 76, this Switch structure 72 is connected with this automatic resetting formula closed type construction of switch 74, and this diode 76 is in parallel with this automatic resetting formula closed type construction of switch 74.Thus, user just can control this Switch structure and reach the electric energy of lasting conducting (ON) or blocking-up (OFF) power supply 100, and carries out pattern switching by this automatic resetting formula closed type construction of switch 74.In other words, in the time that user presses tactile this automatic resetting formula closed type construction of switch 74, except reaching the effect of aforementioned generation pulse signal, by the design of this diode 76, the positive half wave of the AC energy that this power supply 100 is produced is flowed to this drive unit 30 by this diode 38, 60, and negative half-wave is blocked, thus, to make this drive unit 30, 60 in the time that user presses tactile this automatic resetting formula closed type construction of switch 74, still can receive the electric energy of positive half wave, and still can drive this LED light lamp group 10, 40 produce slightly dark light, when the pattern that makes to carry out is switched, the situation that user does not have eyes discomfort produces.
In addition, above explanation is only preferred embodiment of the present invention, except said structure, such as applies equivalent structure and method variation that specification of the present invention and claim are done, ought to be included within the scope of claim of the present invention.
Claims (18)
1. a LED illumination system for tunable optical, includes:
One LED light lamp group, in order to receive electric signal and to produce light;
One switch, is connected with a power supply, is used to close controllably and open to export a pulse signal in the scheduled time; And
One drive unit, is electrically connected this switch and this LED light lamp group, while being used to this switch conduction, receiving the electric energy of this power supply and converts electric signal to for giving this LED light lamp group, to drive this LED light lamp group to produce light person; In addition, this drive unit has a controller, and this controller stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and produces light with this LED light lamp group of a kind of mode activated wherein; Wherein:
This acquiescence light illumination mode drives this LED light lamp group to produce the light with the stored total luminance value of this controller;
This LED light lamp group of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving this pulse signal, record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
2. the LED illumination system of tunable optical as claimed in claim 1, wherein, this drive unit includes a power-switching circuit, and this controller includes the circuit for detecting that is of coupled connections and can program chip, and this can store this total luminance value, this acquiescence light illumination mode and this brightness adjustment pattern in program chip; This power-switching circuit one side is electrically connected this power supply, and opposite side property connects this LED light lamp group, in order to receive the electric energy of this power supply and to convert electric signal to for giving this LED light lamp group; This circuit for detecting and this mode switch are electrically connected, and whether produce this pulse signal in order to detect this mode switch; This can program chip and this power-switching circuit be electrically connected, while exporting this pulse signal in order to detect this mode switch when this circuit for detecting, control this power-switching circuit with this LED light lamp group generation light of a kind of mode activated wherein.
3. the LED illumination system of tunable optical as claimed in claim 2, wherein, this controller include an optical coupler be electrically connected this circuit for detecting and this can program chip, and this circuit for detecting and this can program chip be to be of coupled connections in optical coupling mode by this optical coupler.
4. the LED illumination system of tunable optical as claimed in claim 1, wherein, this LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode, in this controller, store one first brightness ratio, one second brightness ratio and a colourity adjustment modes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value, and in this acquiescence light illumination mode and this brightness adjustment pattern, those first light-emitting diodes produce the light with this first brightness ratio, those second light-emitting diodes produce the light with this second brightness ratio, this colourity adjustment modes is to drive this LED lamp to produce light, and change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, until while receiving again this pulse signal, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
5. the LED illumination system of tunable optical as claimed in claim 1, wherein, stores a complete bright pattern in this controller, drive this LED lamp to produce the light of maximum brightness value under rated power.
6. the LED illumination system of tunable optical as claimed in claim 1, wherein, this scheduled time is 3 seconds.
7. the LED illumination system of tunable optical as claimed in claim 1, wherein, this switch includes the Switch structure and the automatic resetting formula closed type construction of switch that are connected in series, and wherein a construction of switch is connected with this power supply, an other construction of switch is electrically connected with this drive unit.
8. the LED illumination system of tunable optical as claimed in claim 7, wherein, this switch includes a diode, and this diode is in parallel with this automatic resetting formula closed type construction of switch.
9. a drive unit, in order to drive at least one light-emitting diode to produce light, and includes:
One power-switching circuit, a side is coupled to a power supply, and opposite side property connects this at least one light-emitting diode, in order to supply to give this at least one light-emitting diode by the electric energy of this power supply and after converting electric signal to, to drive this at least one light-emitting diode to produce light; And
One controller, is electrically connected this power-switching circuit, and stores a total luminance value, acquiescence light illumination mode and a brightness adjustment pattern, and produces light in order to control this power-switching circuit with this at least one light-emitting diode of a kind of mode activated wherein; Wherein:
This this power-switching circuit of acquiescence light illumination mode control drives this at least one light-emitting diode to produce the light with the stored total luminance value of this controller;
This at least one light-emitting diode of this brightness adjustment mode activated produces light, and change gradually the brightness of light, until while receiving a pulse signal, record the brightness value of the light that this at least one light-emitting diode produced instantly, and the brightness value of record is replaced to original total luminance value storing, and control this power-switching circuit and drive this at least one light-emitting diode to produce the light with new total luminance value.
10. drive unit as claimed in claim 9, wherein, this controller includes the circuit for detecting that is of coupled connections and can program chip; Whether this circuit for detecting produces this pulse signal in order to detect this mode switch; This can store this total luminance value, this acquiescence light illumination mode and this brightness adjustment pattern in program chip, and be electrically connected with this power-switching circuit, in order in the time that this circuit for detecting detects this pulse signal, control this power-switching circuit and produce light with this LED light lamp group of a kind of mode activated wherein.
11. drive units as claimed in claim 10, wherein, this controller include an optical coupler be electrically connected this circuit for detecting and this can program chip, and this circuit for detecting and this can program chip be to be of coupled connections in optical coupling mode by this optical coupler.
12. drive units as claimed in claim 9, wherein, this at least one light-emitting diode is two light-emitting diodes, and is respectively one first light-emitting diode and one second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode, in this controller, store one first brightness ratio, one second brightness ratio and a colourity adjustment modes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value, and in this acquiescence light illumination mode and this brightness adjustment pattern, this first light-emitting diode produces the light with this first brightness ratio, this second light-emitting diode produces the light with this second brightness ratio, this colourity adjustment modes system controls this power-switching circuit and drives those light-emitting diodes to produce light, and change gradually the brightness ratio of this first light-emitting diode and this second light-emitting diode, until while detecting again this pulse signal, record this first light-emitting diode and this second light-emitting diode brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and control this power-switching circuit and continue to drive this first light-emitting diode and this second light-emitting diode to produce the light with new brightness ratio.
13. drive units as claimed in claim 9, wherein, store a complete bright pattern in this controller, control this power-switching circuit and drive this LED lamp to produce the light of maximum brightness value under rated power.
The driving method of 14. 1 kinds of drive units, in order to drive a LED light lamp group to produce light, and stores a total luminance value in this drive unit; This driving method includes the following step:
A) drive this LED light lamp group to produce the light with this total luminance value;
B) drive this LED light lamp group to produce the light that changes gradually brightness value;
C) record the brightness value of the light that this LED light lamp group produced instantly, and the brightness value of record is replaced to original total luminance value storing, and drive this LED light lamp group to produce the light with new total luminance value.
15. driving methods as claimed in claim 14, wherein, before steps A, include a step: drive this LED light lamp group to produce the light of maximum brightness value under rated power.
16. driving methods as claimed in claim 14, wherein, after steps A, include a step: drive this LED light lamp group to produce the light of maximum brightness value under rated power.
17. driving methods as claimed in claim 14, wherein, this drive unit stores one first brightness ratio, one second brightness ratio; This LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode; Before step B, include a step: change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value; Then, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
18. driving methods as claimed in claim 14, wherein, this drive unit stores one first brightness ratio, one second brightness ratio; This LED light lamp group includes a plurality of the first light-emitting diodes and a plurality of the second light-emitting diode, and respectively this second light-emitting diode photochromic is different from the photochromic of each this first light-emitting diode; After step C, include a step: change gradually those first light-emitting diodes in this LED lamp and the brightness ratio of those the second light-emitting diodes, and described brightness ratio refers to that the brightness value of produced light accounts for the ratio value of this total luminance value; Then, record those first light-emitting diodes and those the second light-emitting diodes brightness ratio instantly, and the brightness ratio of record is replaced respectively to the first brightness ratio and second brightness ratio of original storage, and continue to drive those first light-emitting diodes and those the second light-emitting diodes to produce the light with new brightness ratio.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050537.4A CN103987148A (en) | 2013-02-08 | 2013-02-08 | Dimmable light-emitting-diode illumination system, and driving device and driving method thereof |
| JP2015556376A JP2016507138A (en) | 2013-02-08 | 2014-01-28 | Dimmable light-emitting diode illumination system, and driving apparatus and driving method thereof |
| PCT/CN2014/000120 WO2014121660A1 (en) | 2013-02-08 | 2014-01-28 | Dimmable light-emitting diode illumination system, driving apparatus and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050537.4A CN103987148A (en) | 2013-02-08 | 2013-02-08 | Dimmable light-emitting-diode illumination system, and driving device and driving method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103987148A true CN103987148A (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310050537.4A Pending CN103987148A (en) | 2013-02-08 | 2013-02-08 | Dimmable light-emitting-diode illumination system, and driving device and driving method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2016507138A (en) |
| CN (1) | CN103987148A (en) |
| WO (1) | WO2014121660A1 (en) |
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| CN106163028A (en) * | 2015-03-27 | 2016-11-23 | 东林科技股份有限公司 | Light-dimming method |
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| CN112566312B (en) * | 2020-12-09 | 2023-04-07 | 苏州亮芯光电科技有限公司 | Multifunctional device based on quantum well diode array chip and control method thereof |
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| WO2014121660A1 (en) | 2014-08-14 |
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