CN107666744A - LED touch stepless dimming color-temperature regulating driving power and its control method - Google Patents
LED touch stepless dimming color-temperature regulating driving power and its control method Download PDFInfo
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- CN107666744A CN107666744A CN201711128163.8A CN201711128163A CN107666744A CN 107666744 A CN107666744 A CN 107666744A CN 201711128163 A CN201711128163 A CN 201711128163A CN 107666744 A CN107666744 A CN 107666744A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000033228 biological regulation Effects 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims description 46
- 230000000087 stabilizing effect Effects 0.000 claims description 24
- 238000005070 sampling Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
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- 238000005401 electroluminescence Methods 0.000 description 1
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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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]
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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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- 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]
- H05B45/20—Controlling the colour of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
LED touch stepless dimming color-temperature regulating driving power and its control method, including rectification circuit, constant-current drive circuit, a LED diode cluster of lamps, ornamental, touch light adjusting circuit, also it is connected including input with constant-current drive circuit, the mu balanced circuit that output end is connected with touching light adjusting circuit, rectification circuit is by commercial power rectification into DC voltage, supply constant-current drive circuit, constant-current drive circuit gives mu balanced circuit offer voltage after starting working, stable operating voltage is supplied to touch light adjusting circuit by mu balanced circuit into 5V DC voltages, touch light adjusting circuit is set to be in holding state, human body sensing touching signals are inputted to light adjusting circuit is touched, LED diode cluster of lamps, ornamental brightness and the regulation of colour temperature are controlled by touching light adjusting circuit.The present invention improves the stable operating voltage for touching light adjusting circuit, improves the stationarity and sensitivity of brightness and colour temperature regulation, reduces regulation interim card, failure and the probability of happening for knowing false triggering phenomenon, improves the reliability of LED diode cluster of lamps, ornamental brightness and colour temperature regulation.
Description
Technical field
The present invention relates to a kind of LED touch stepless dimming color-temperature regulating driving power and its control method, belong to LED circuits
Technical field.
Background technology
LED is a kind of semiconductor devices that electric energy can be converted into luminous energy, and it lights different from incandescent lamp tungsten filament
The principle to be lighted with electricity-saving lamp tricolor powder, but use electroluminescence.In modern society, because LED small volumes, life-span
The advantages that length, light efficiency are high, radiationless and low-power consumption causes people to use LED light fixtures of the LED as light source more and more widely.
The light source of different-colour can bring the different impression of user, and the hobby of colour temperature is also because depending on people, light fixture need to possess
Colour temperature regulatory function.Moreover, user is customarily used in the lamp of different brightness in the different periods, so, according to client's requirement
Difference, light fixture need to possess brightness control function.With raising of the people to LED illumination power requirement and the development of LED technology,
The LED illumination power supply of tunable optical toning turns into a kind of new development trend.Adopted in the LED illumination power supply of existing light modulation toning
Mu balanced circuit is constant-current drive circuit, and the adjustment control of brightness and colour temperature is completed by control chip, due to whole driving
The deviation of operating voltage in power supply, the regulation interim card of brightness and colour temperature, or even the situation of failure is caused to happen occasionally.
The related existing patent retrieved：
The A of 1.CN 103179750, a kind of LED drive circuits of tunable optical adjustable color temperature；
The A of 2.CN 103929851, tunable optical toning LED circuits；
3.CN 104968067 A, LED light modulation toning control devices；
The A of 4.CN 104780695, a kind of LED non-pole light regulatings constant-current driving power supply；
The A of 5.CN 105657909, a kind of linear LED drive circuits of achievable light modulation toning；
A kind of 6.CN106550526A touch electrodeless dimming lamp with Delayed extinguishing function；
A kind of 7.CN106507570A touch electrodeless dimming lamp.
Following defect be present in the LED illumination power supply of existing tunable optical toning：1. it is not sensitive enough once in a while during light modulation, easily by mistake
Triggering.2. easily there is failure, interim card situation in light modulation or color-temperature regulating.3. circuit stability is poor, brightness regulation stationarity and uniformly
Difference.
The content of the invention
LED touch stepless dimming color-temperature regulating driving power and its control method provided by the invention, increase in driving power
Add Voltage stabilizing module, improve the stable operating voltage for touching light adjusting circuit, improve the stationarity of brightness and colour temperature regulation and sensitive
Property, regulation interim card, failure and the probability of happening for knowing false triggering phenomenon are reduced, what raising LED drive power brightness and colour temperature were adjusted
Reliability.
It is to reach above-mentioned purpose the technical solution adopted by the present invention：
LED touch stepless dimming color-temperature regulating driving power, including connect the rectification circuit of civil power, be connected with rectification circuit output end
Constant-current drive circuit, the LED diodes cluster of lamps, ornamental being connected with constant-current drive circuit, the touch that is connected with a LED diode cluster of lamps, ornamental adjust
Optical circuit, it is characterised in that be also connected including input with constant-current drive circuit, output end is connected steady with touch light adjusting circuit
Commercial power rectification into DC voltage, is supplied constant-current drive circuit, constant-current drive circuit starts work by volt circuit, described rectification circuit
Voltage is provided to mu balanced circuit after work, stable operating voltage is supplied to touch light adjusting circuit by mu balanced circuit into 5V DC voltages,
Touch light adjusting circuit is set to be in holding state, to light adjusting circuit input human body sensing touching signals are touched, by touching light modulation electricity
Road controls LED diode cluster of lamps, ornamental brightness and the regulation of colour temperature.
Preferably, described rectification circuit includes the protective tube F1, rectifier bridge stack DB1 and filter capacitor C1 being sequentially connected,
Civil power 220V alternating currents form stable direct current through protective tube F1, then through bridge heap DB1 rectifications on filter capacitor electric capacity C1
Voltage.
Preferably, described constant-current drive circuit includes starting resistance R1, VCC decoupling capacitor C2, constant-current driven chip U1,
Switch transformer T1, peak voltage absorbing circuit, diode D1, current-limiting resistance R3, current sampling resistor R6, feed back divider resistance
R4, R5, output diode D3, output filter capacitor C4, discharge resistance R7, decoupling capacitor C2 are by starting resistance R1 connection electric currents
The output end of circuit, the pin 1 of the constant-current driven chip U1 connect VCC decoupling capacitors C2 one end, constant-current driven chip U1
Pin 8 connects the decoupling capacitor C2 other end, and constant-current driven chip U1 pins 5 connect peak voltage absorbing circuit and switch transformation
Device T1 primary coil L1 one end, primary coil L1 other end connection peak voltage absorbing circuit, the switch transformer
T1 assists winding L3 one end is sequentially connected in series current-limiting resistance R3, diode D1 negative pole, VCC decoupling capacitors C2 positive pole, arrives
Constant-current driven chip U1 pin 1, feedback divider resistance R4, R5 connection constant-current driven chip U1 pin 3, adjust required defeated
Go out voltage VC1, the secondary windings L2 of the switch transformer T1 one end concatenation output diode D3, switch transformer T1 time
Level coil L2 both ends respectively and connect output filter capacitor C4 and discharge resistance R7, current sampling resistor R6 one end and constant current
Driving chip U1 pin 4 connects, other end ground connection.
Preferably, described peak voltage absorbing circuit is made up of diode D2, resistance R2 and electric capacity C3, constant current driving core
Piece U1 pins 5 connect diode D2 positive pole, primary coil L1 other end connection electric capacity C3 one end, the electric capacity C3 other end
It is connected with diode D2 negative pole, electric capacity C3 and connecting resistance R2.
Preferably, described mu balanced circuit includes resistance R13, Voltage stabilizing module 78L05, filter capacitor C5, C6, C7 and C8,
The voltage of constant-current drive circuit brings out series resistance R13 to Voltage stabilizing module 78L05 pin 1, the Voltage stabilizing module 78L05's
Pin 1 has filter capacitor C5, and C6 is in parallel therewith, and Voltage stabilizing module 78L05 pin 3 has filter capacitor C7, C8 in parallel therewith.
Preferably, a described LED diodes cluster of lamps, ornamental includes LED 1 and LED2, described light emitting diode
The voltage that LED1 and LED2 is sequentially connected in series in constant-current drive circuit is brought out, and LED 1 and LED2 are by single power
For 1W, the LED that number is 7 to 10 forms.
Preferably, described touch light adjusting circuit includes sampling capacitance C9, and the brightness and colour temperature to a LED diode cluster of lamps, ornamental are entered
The touch light modulation color-temperature regulating chip U2 of row adjustment control, Touching electrode KEY1, the resistance R8 of human body sensing touching signals are received,
R9, R10, R11, R12, brightness adjustment control triode Q1, Q2；
LED 1 is connected to brightness adjustment control triode Q1 colelctor electrode, the base stage connection electricity of the triode Q1
R9 is hindered, resistance R9 is connected to the pin 7 for touching light modulation chip U2, and the base stage and emitter stage and resistance R11 of the triode Q1 are simultaneously
Connection；LED 2 is connected to brightness adjustment control triode Q2 colelctor electrode；The base stage connection electricity of the triode Q2
R10 is hindered, resistance R10 is connected to the pin 8 for touching light modulation chip U2, base stage and emitter stage and the resistance R12 of the triode Q2
It is in parallel；The pin 3 for touching light modulation chip U2 is connected with the output end of mu balanced circuit；The connection of pin 2 for touching light modulation chip U2 is adopted
Sample electric capacity C9；The pin 5 for touching light modulation chip U2 is sequentially connected resistance R8 and touch electrode KEY1.
Preferably, described constant-current driven chip U1 is chip BP3517F, and its peak power output is 10W.
Preferably, it is chip JL8010S to touch light modulation color-temperature regulating chip U2, touches light modulation color-temperature regulating chip U2 pin 1
Output pin is indicated for work, the used time is not hanging, and pin 2 is sampling capacitance input pin, and pin 3 is chip power anode, and pin 4 is
Chip ground end, for pin 5 to touch regulation and control pin, pin 6 is the unsettled pin, and pin 7 is first via signal light control output pin, pin 8
For the second street lamp photocontrol output pin.
The control method of above-described LED touch stepless dimming color-temperature regulating driving power, it is characterised in that first to touch
Sensing touching signals are clicked in light adjusting circuit input, realize the colour temperature regulation of a LED diode cluster of lamps, ornamental；Again to touch light adjusting circuit input
Long-press senses touching signals, realizes the stepless brilliance regulation of a LED diode cluster of lamps, ornamental；Wherein, the touch duration is less than or equal to
550ms is that click feel answers touching signals, and it is that long-press senses touching signals that the touch duration, which is more than 550ms,.
The driving power of the present invention includes including the rectification circuit of connection civil power, the constant current being connected with rectification circuit output end
Drive circuit, the LED diodes cluster of lamps, ornamental being connected with constant-current drive circuit, the touch light adjusting circuit being connected with a LED diode cluster of lamps, ornamental
And mu balanced circuit, the input of mu balanced circuit are connected with constant-current drive circuit, output end is connected with touching light adjusting circuit, by whole
Commercial power rectification into stable DC voltage, is powered by current circuit to constant-current drive circuit, by constant-current drive circuit by work
Make the DC voltage needed for voltage commutation into a LED diode cluster of lamps, ornamental, and Voltage stabilizing module is powered, Voltage stabilizing module is by direct current
Further voltage stabilizing is pressed touch light adjusting circuit be in holding state shape into the DC voltage touched needed for light adjusting circuit, when to tactile
Touch light adjusting circuit input human body sensing touching signals, you can by touching light adjusting circuit, realize to LED diode cluster of lamps, ornamental brightness and
The regulation of colour temperature.
Increase Voltage stabilizing module in driving power, improve the stable operating voltage for touching light adjusting circuit, dim touch
Circuit is in holding state after power up, just becomes state of a control after inputting human body sensing touching signals, reduces false triggering phenomenon
Probability of happening, touch after light adjusting circuit is in state of a control, stable operating voltage, LED diode cluster of lamps, ornamental brightness can be reduced by having
Interim card and failure are adjusted with colour temperature to appear vividly the probability of happening of elephant, are improved the stationarity and sensitivity of brightness and color temperature, are improved
LED drive power brightness and the reliability of colour temperature regulation.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of LED touch stepless dimming color-temperature regulating driving power in embodiment.
Fig. 2 is the circuit theory diagrams of LED touch stepless dimming color-temperature regulating driving power in embodiment.
Embodiment
1-2 elaborates to embodiments of the invention below in conjunction with the accompanying drawings.
LED touch stepless dimming color-temperature regulating driving power, including the rectification circuit 1 of connection civil power and rectification circuit export
Hold the constant-current drive circuit 2 connected, the LED diodes cluster of lamps, ornamental 3 being connected with constant-current drive circuit, be connected with a LED diodes cluster of lamps, ornamental 3
Touch light adjusting circuit 4, it is characterised in that be also connected including input with constant-current drive circuit 2, output end with touch light modulation electricity
Commercial power rectification into DC voltage, is supplied constant-current drive circuit 2, constant current by the mu balanced circuit 5 that road 4 connects, described rectification circuit 1
Drive circuit 2 gives the offer voltage of mu balanced circuit 5 after starting working, and mu balanced circuit 5 carries stable operating voltage into 5V DC voltages
Supply touches light adjusting circuit 4, touch light adjusting circuit 4 is in holding state, and human body sensing touch-control is inputted to light adjusting circuit 4 is touched
Signal, the brightness of a LED diodes cluster of lamps, ornamental 3 and the regulation of colour temperature are controlled by touching light adjusting circuit 4.
Described rectification circuit 1 includes the protective tube F1, rectifier bridge stack DB1 and filter capacitor C1 being sequentially connected, civil power
220V alternating currents form stable DC voltage through protective tube F1, then through bridge heap DB1 rectifications on filter capacitor electric capacity C1.
Described constant-current drive circuit 2 includes starting resistance R1, VCC decoupling capacitor C2, constant-current driven chip U1, and switch becomes
Depressor T1, peak voltage absorbing circuit, diode D1, current-limiting resistance R3, current sampling resistor R6, divider resistance R4, R5 are fed back,
Output diode D3, output filter capacitor C4, discharge resistance R7, decoupling capacitor C2 are by starting resistance R1 connections current circuit 1
Output end, the pin 1 of the constant-current driven chip U1 connects VCC decoupling capacitors C2 one end, constant-current driven chip U1 pins 8
The decoupling capacitor C2 other end is connected, constant-current driven chip U1 pins 5 connect peak voltage absorbing circuit and switch transformer T1
Primary coil L1 one end, primary coil L1 the other end connection peak voltage absorbing circuit, the switch transformer T1's
Assists winding L3 one end is sequentially connected in series current-limiting resistance R3, diode D1 negative pole, VCC decoupling capacitors C2 positive pole, to constant current
Driving chip U1 pin 1, feedback divider resistance R4, R5 connection constant-current driven chip U1 pin 3, adjusts required output electricity
Press VC1, the secondary windings L2 of switch transformer T1 one end concatenation output diode D3, switch transformer T1 secondary wire
Enclose L2 both ends respectively and meet output filter capacitor C4 and discharge resistance R7, current sampling resistor R6 one end and constant current drive
Chip U1 pin 4 connects, other end ground connection.
Described peak voltage absorbing circuit is made up of diode D2, resistance R2 and electric capacity C3, constant-current driven chip U1 pipes
Pin 5 connects diode D2 positive pole, primary coil L1 other end connection electric capacity C3 one end, the electric capacity C3 other end and two poles
Pipe D2 negative pole connection, electric capacity C3 and connecting resistance R2.
Described mu balanced circuit 5 includes resistance R13, Voltage stabilizing module 78L05, filter capacitor C5, C6, C7 and C8, and constant current is driven
The voltage of dynamic circuit 2 brings out series resistance R13 to Voltage stabilizing module 78L05 pin 1, the pin 1 of the Voltage stabilizing module 78L05
There is filter capacitor C5, C6 is in parallel therewith, and Voltage stabilizing module 78L05 pin 3 has filter capacitor C7, C8 in parallel therewith.
A described LED diodes cluster of lamps, ornamental 3 includes LED 1 and LED2, the described He of LED 1
The voltage that LED2 is sequentially connected in series in constant-current drive circuit 2 is brought out, and LED 1 and LED2 are 1W by single power,
The LED that number is 7 to 10 forms.
Described touch light adjusting circuit 4 includes sampling capacitance C9, and the brightness and colour temperature to a LED diodes cluster of lamps, ornamental 3 are adjusted
The touch light modulation color-temperature regulating chip U2 of section control, the Touching electrode KEY1, resistance R8, R9 of human body sensing touching signals are received,
R10, R11, R12, brightness adjustment control triode Q1, Q2；
LED 1 is connected to brightness adjustment control triode Q1 colelctor electrode, the base of the brightness adjustment control triode Q1
Pole connects resistance R9, and resistance R9 is connected to the pin 7 for touching light modulation chip U2, the base stage of the brightness adjustment control triode Q1 and
Emitter stage is in parallel with resistance R11；LED 2 is connected to brightness adjustment control triode Q2 colelctor electrode；Three pole
Pipe Q2 base stage connection resistance R10, resistance R10 is connected to the pin 8 for touching light modulation chip U2, the brightness adjustment control triode Q2
Base stage and emitter stage it is in parallel with resistance R12；The pin 3 for touching light modulation chip U2 is connected with the output end of mu balanced circuit 5；Touch
The pin 2 for dimming chip U2 connects sampling capacitance C9；The pin 5 for touching light modulation chip U2 is sequentially connected resistance R8 and touch electrode
KEY1。
Described constant-current driven chip U1 is chip BP3517F, and its peak power output is 10W.
It is chip JL8010S to touch light modulation color-temperature regulating chip U2, and the pin 1 for touching light modulation color-temperature regulating chip U2 refers to for work
Show output pin, the used time is not hanging, and pin 2 is sampling capacitance input pin, and pin 3 is chip power anode, and pin 4 is chip ground
End, pin 5 is touches regulation and control pin, and pin 6 is the unsettled pin, and pin 7 is first via signal light control output pin, and pin 8 is the second tunnel
Signal light control output pin.
The control method of above-described LED touch stepless dimming color-temperature regulating driving power, it is characterised in that first to touch
Sensing touching signals are clicked in the input of light adjusting circuit 4, realize the colour temperature regulation of a LED diodes cluster of lamps, ornamental 3；Again to touch light adjusting circuit 4
Long-press sensing touching signals are inputted, realize the stepless brilliance regulation of a LED diodes cluster of lamps, ornamental 3；Wherein, touch the duration be less than etc.
It is that click feel answers touching signals in 550ms, it is that long-press senses touching signals that the touch duration, which is more than 550ms,.
The specific embodiment of the present invention is described in detail below：
As shown in Fig. 2 the input of the bridge heap DB1 is connected with power supply P, output end is connected with filter capacitor C1, the filtering
Electric capacity C1 and the one end for meeting decoupling capacitor C2, the constant-current driven chip U1 connection VCC decoupling capacitors of pin 1 C2, constant current
Driving chip U1 pins 8 connect the VCC decoupling capacitors C2 other end, and constant-current driven chip U1 pins 5 are connecting diode D2 just
Pole and switch transformer T1 primary coils L1 one end, primary coil L1 other end connection electric capacity C3 one end, electric capacity C3's
The other end is connected with diode D2 negative pole, electric capacity C3 and connecting resistance R2, D2, R2, C3 composition peak voltage absorbing circuits, is protected
Protect chip U1.The assists winding L3 of switch transformer T1 one end is sequentially connected in series resistance R3, diode D1 negative pole, VCC
Decoupling capacitor C2 positive pole, to constant-current driven chip U1 pin 1.Divider resistance R4, R5 connection constant-current driven chip U1 pipe
Pin 3, adjust required output voltage VC1.The secondary windings L2 of switch transformer T1 one end is sequentially connected in series two poles of output
Pipe D3, and LED 1 and LED2.Switch transformer T1 secondary coil L2 both ends respectively and connect output filtered electrical
Hold C4 and discharge resistance R7.LED2 to LEDn2 is connected to brightness adjustment control triode Q2 colelctor electrode.The triode Q2
Base stage connection resistance R10, resistance R10 be connected to the pin 8 for touching light modulation chip U2, the base stage of the triode Q2 and transmitting
Pole has a resistance R12 in parallel therewith.LED1 to LEDn1 is connected to brightness adjustment control triode Q1 colelctor electrode.Three pole
Pipe Q1 base stage connection resistance R9, resistance R9 are connected to the pin 7 for touching light modulation chip U2, the base stage of the triode Q1 and
Emitter stage has a resistance R11 in parallel therewith.Output voltage VC1 series connection one resistance R13 to Voltage stabilizing module 78L05 pin 1, it is described
Voltage stabilizing module 78L05 pin 1 has filter capacitor C5, C6 in parallel therewith.The Voltage stabilizing module 78L05 connection of pin 3 touches light modulation
Chip U2 pin 3, the pin 3 for touching light modulation chip U2 have filter capacitor C7, C8 in parallel therewith.Touch light modulation chip U2
Pin 2 connect electric capacity C9.The pin 5 for touching light modulation chip U2 is sequentially connected resistance R8, touch electrode KEY1.
When circuit works, civil power 220V alternating currents are formed through protective tube F1, then through bridge heap DB1 rectifications on electric capacity C1
Stable DC voltage.Electric capacity C1 cathode voltage activated resistance R1 supply constant-current driven chip U1 all the way pin 1 works
Voltage, primary coil L1 of the another way through switch transformer T1 reach constant-current driven chip U1 pin 5.Constant-current driven chip U1
Start working, switch transformer T1 primary coil L1 is reached from the output switch pulse voltage of pin 5.In switch transformer T1
Secondary coil L2 in caused induced voltage, through output diode D3 rectifications, filter capacitor C4 filtering, output is smoothly straight
Flow voltage VC1.Voltage VC1 provides 1 pin of the voltage to Voltage stabilizing module 78L05, and Voltage stabilizing module 78,L05 3 pin export stable 5V
DC voltage, 5V voltages are supplied to 3 pin for touching light modulation chip U2, and touch light modulation chip U2 starts standby.Become simultaneously in switch
Caused induced voltage is through D1 rectifications, VCC decoupling capacitors C2 filtering, in VCC decoupling capacitors C2 in depressor T1 ancillary coil L3
Upper to form stable DC voltage, this DC voltage provides constant-current driven chip U1 1 pin voltage.Voltage stabilizing module 5 adjusts touch
Optical circuit is in holding state after power up, is just changed into state of a control after inputting human body sensing touching signals, reduces false touch and finds
The probability of happening of elephant, after touch light adjusting circuit is in state of a control, operating voltage is stable 5V DC voltage masters, can be reduced
LED diode cluster of lamps, ornamental brightness and colour temperature regulation interim card and failure are appeared vividly the probability of happening of elephant, improve the flat of brightness and color temperature
Stability and sensitivity, improve the reliability of LED drive power brightness and colour temperature regulation.
Electrode slice KEY1 on the pin 5 for clicking on light modulation chip U2, when inputting human body sensing touching signals, it will touch
The pin 7 for touching light modulation chip U2 exports corresponding control signal, controls brightness adjustment control triode Q1 by R9, makes brightness adjustment control three
Pole pipe Q1 is operated in corresponding conducting state, brightness adjustment control triode Q1 conductings, and driving LED 1 lights；Again
Electrode slice KEY1 is clicked on, light modulation chip U2 control brightness adjustment control triodes Q1 is touched and disconnects, and in the pipe for touching light modulation chip U2
Pin 8 exports corresponding control signal, controls brightness adjustment control triode Q2 by R10, brightness adjustment control triode Q2 is operated in phase
The conducting state answered, brightness adjustment control triode Q2 conductings, driving LED 2 is luminous, and circulation is clicked on, and realizes luminous two
Pole pipe LED1 and LED 2 luminous switching, realize that colour temperature is adjusted.
After colour temperature regulation, during long-press Touching electrode KEY1, the stepless brightness regulation of light under present mode can be achieved.Once
Long-press Touching electrode KEY1, lamplight brightness gradually increase, and lamplight brightness, which is parked in, during release unclamps brightness corresponding to the moment, if long
Temporally more than 3 seconds, then lamplight brightness no longer changes after reaching high-high brightness；Long-press Touching electrode KEY1 again,
Lamplight brightness gradually reduces, and lamplight brightness, which is parked in, during release unclamps brightness corresponding to the moment, if long temporally more than 3 seconds,
Then lamplight brightness no longer changes after reaching minimum brightness, and the adjustable range of light is 5%-100%, so circulation.Point touching electricity
Pole piece KEY1 and long-press Touching electrode KEY1 can be used arbitrarily at any time, and mutual function is interference-free and limits
System, wherein the touch duration is point touching less than or equal to 550ms, it is that long-press touches that the touch duration, which is more than 550ms,.
Completely description is carried out to the technical scheme of embodiments of the invention, it is necessary to which explanation is described above in association with accompanying drawing
Embodiment be only the present invention part of the embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained on the premise of not making creative work, belongs to the scope of protection of the invention.
Claims (10)
1.LED touching stepless light-modulating color-temperature regulating driving powers, include the rectification circuit of connection civil power（1）And rectification circuit exports
Hold the constant-current drive circuit of connection（2）, the LED diode cluster of lamps, ornamental that is connected with constant-current drive circuit（3）An and LED diode cluster of lamps, ornamental
（3）The touch light adjusting circuit of connection（4）, it is characterised in that also including input and constant-current drive circuit（2）Connection, output end with
Touch light adjusting circuit（4）The mu balanced circuit of connection（5）, described rectification circuit（1）Commercial power rectification is permanent into DC voltage, supply
Flow drive circuit（2）, constant-current drive circuit（2）Mu balanced circuit is given after start-up operation（5）Voltage, mu balanced circuit are provided（5）By work
Make voltage stabilization and be supplied to touch light adjusting circuit into 5V DC voltages（4）, make touch light adjusting circuit（4）In holding state, to
Touch light adjusting circuit（4）Human body sensing touching signals are inputted, by touching light adjusting circuit（4）Control a LED diode cluster of lamps, ornamental（3）It is bright
The regulation of degree and colour temperature.
2. LED touch stepless dimming color-temperature regulating driving power according to claim 1, it is characterised in that described rectified current
Road（1）Including the protective tube F1 being sequentially connected, rectifier bridge stack DB1 and filter capacitor C1, civil power 220V alternating currents are through protective tube
F1, then through bridge heap DB1 rectifications, stable DC voltage is formed on filter capacitor electric capacity C1.
3. LED touch stepless dimming color-temperature regulating driving power according to claim 1, it is characterised in that described constant current is driven
Dynamic circuit（2）Including starting resistance R1, VCC decoupling capacitor C2, constant-current driven chip U1, switch transformer T1, peak voltage is inhaled
Circuit is received, diode D1, current-limiting resistance R3, current sampling resistor R6, feeds back divider resistance R4, R5, output diode D3, output
Filter capacitor C4, discharge resistance R7, decoupling capacitor C2 are by starting resistance R1 connection current circuits（1）Output end, the perseverance
The pin 1 for flowing driving chip U1 connects VCC decoupling capacitors C2 one end, and constant-current driven chip U1 pins 8 connect decoupling capacitor C2
The other end, constant-current driven chip U1 pins 5 connect peak voltage absorbing circuit and switch transformer T1 primary coil L1's
One end, primary coil L1 other end connection peak voltage absorbing circuit, the one of the assists winding L3 of the switch transformer T1
End is sequentially connected in series current-limiting resistance R3, diode D1 negative pole, VCC decoupling capacitors C2 positive pole, to constant-current driven chip U1 pipe
Pin 1, feedback divider resistance R4, R5 connection constant-current driven chip U1 pin 3, adjusts required output voltage VC1, the switch
Transformer T1 secondary windings L2 one end concatenation output diode D3, switch transformer T1 secondary coil L2 both ends difference
And output filter capacitor C4 and discharge resistance R7 are met, current sampling resistor R6 one end connects with constant-current driven chip U1 pin 4
Connect, other end ground connection.
4. LED touch stepless dimming color-temperature regulating driving power according to claim 3, it is characterised in that described spike electricity
Pressure absorbing circuit is made up of diode D2, resistance R2 and electric capacity C3, and constant-current driven chip U1 pins 5 are connecting diode D2 just
Pole, primary coil L1 other end connection electric capacity C3 one end, the electric capacity C3 other end are connected with diode D2 negative pole, electric capacity
C3 and connecting resistance R2.
5. LED touch stepless dimming color-temperature regulating driving power according to claim 1, it is characterised in that described voltage stabilizing electricity
Road（5）Including resistance R13, Voltage stabilizing module 78L05, filter capacitor C5, C6, C7 and C8, constant-current drive circuit（2）Voltage bring out
Hold series resistance R13 to Voltage stabilizing module 78L05 pin 1, the pin 1 of the Voltage stabilizing module 78L05 have filter capacitor C5, C6 and
Parallel connection, Voltage stabilizing module 78L05 pin 3 has filter capacitor C7, C8 in parallel therewith.
6. LED touch stepless dimming color-temperature regulating driving power according to claim 1, it is characterised in that described LED bis-
A level pipe cluster of lamps, ornamental（3）Including LED 1 and LED2, described LED 1 and LED2 are sequentially connected in series in constant current
Drive circuit（2）Voltage bring out, LED 1 and LED2 are 1W by single power, and number is 7 to 10
LED forms.
7. LED touch stepless dimming color-temperature regulating driving power according to claim 6, it is characterised in that described touch is adjusted
Optical circuit（4）Including sampling capacitance C9, to a LED diode cluster of lamps, ornamental（3）Brightness and colour temperature be adjusted control touch light modulation
Color-temperature regulating chip U2, receive the Touching electrode KEY1, resistance R8, R9, R10, R11, R12 of human body sensing touching signals, light modulation
Control triode Q1, Q2；
LED 1 is connected to brightness adjustment control triode Q1 colelctor electrode, the base stage connection electricity of the triode Q1
R9 is hindered, resistance R9 is connected to the pin 7 for touching light modulation chip U2, and the base stage and emitter stage and resistance R11 of the triode Q1 are simultaneously
Connection；LED 2 is connected to brightness adjustment control triode Q2 colelctor electrode；The base stage connection electricity of the triode Q2
R10 is hindered, resistance R10 is connected to the pin 8 for touching light modulation chip U2, base stage and emitter stage and the resistance R12 of the triode Q2
It is in parallel；Touch light modulation chip U2 pin 3 and mu balanced circuit（5）Output end connection；The pin 2 for touching light modulation chip U2 connects
Sampling capacitance C9；The pin 5 for touching light modulation chip U2 is sequentially connected resistance R8 and touch electrode KEY1.
8. LED touch stepless dimming color-temperature regulating driving power according to claim 3, it is characterised in that described constant current is driven
Dynamic chip U1 is chip BP3517F, and its peak power output is 10W.
9. LED touch stepless dimming color-temperature regulating driving power according to claim 7, it is characterised in that touch light modulation and adjust
Colour temperature chip U2 is chip JL8010S, and the pin 1 for touching light modulation color-temperature regulating chip U2 indicates output pin for work, not the used time hang
Sky, pin 2 are sampling capacitance input pin, and pin 3 is chip power anode, and pin 4 is chip ground end, and pin 5 is adjusted to touch
Pin is controlled, pin 6 is the unsettled pin, and pin 7 is first via signal light control output pin, and pin 8 is the second street lamp photocontrol output pin.
10. the controlling party of the LED touch stepless dimming color-temperature regulating driving power described in claim 1 to any one of claim 9
Method, it is characterised in that first to touch light adjusting circuit（4）Sensing touching signals are clicked in input, realize a LED diode cluster of lamps, ornamental（3）Color
Temperature regulation；Again to touch light adjusting circuit（4）Long-press sensing touching signals are inputted, realize a LED diode cluster of lamps, ornamental（3）Stepless brilliance
Regulation；Wherein, touching the duration, to be less than or equal to 550ms be that click feel answers touching signals, touches the duration and is more than 550ms
Long-press senses touching signals.
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| CN108980789A (en) * | 2018-07-27 | 2018-12-11 | 佛山市塱奥照明科技有限公司 | A kind of touch-control realizes the lamps and lanterns of stepless dimming |
| CN109275229A (en) * | 2018-10-22 | 2019-01-25 | 横店集团得邦照明股份有限公司 | A kind of light adjusting circuit and its implementation detecting Alternating Current Power Supply waveform |
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| CN109275229A (en) * | 2018-10-22 | 2019-01-25 | 横店集团得邦照明股份有限公司 | A kind of light adjusting circuit and its implementation detecting Alternating Current Power Supply waveform |
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| CN110049598A (en) * | 2019-05-08 | 2019-07-23 | 赣州市众恒光电科技有限公司 | A kind of three colour temperature light projector circuit for lamp |
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| CN110933809A (en) * | 2019-12-23 | 2020-03-27 | 东莞市毅晟灯饰科技有限公司 | Lighting Controls and Lighting Units |
| CN113864742A (en) * | 2021-09-23 | 2021-12-31 | 宁波凯耀电器制造有限公司 | Down lamp capable of realizing touch dimming and circuit thereof |
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| CN114126152A (en) * | 2022-01-26 | 2022-03-01 | 杭州易会通科技有限公司 | Integrated circuit and driver circuit for three-phase AC mains LED tunnel light |
| CN117440559A (en) * | 2023-12-21 | 2024-01-23 | 金杲易光电科技(深圳)有限公司 | LED light adjusting module capable of adjusting color temperature and power |
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