CN108307555B - A kind of LED lamplight adjusting circuit - Google Patents
A kind of LED lamplight adjusting circuit Download PDFInfo
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- CN108307555B CN108307555B CN201710021303.5A CN201710021303A CN108307555B CN 108307555 B CN108307555 B CN 108307555B CN 201710021303 A CN201710021303 A CN 201710021303A CN 108307555 B CN108307555 B CN 108307555B
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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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Abstract
The invention discloses a kind of LED lamplights to adjust circuit, including power module, luminance adjustment module, signal amplification module, color adaptation module；The power module is separately connected luminance adjustment module and color adaptation module；The signal amplification module connects color adaptation module.The present invention can change lamplight brightness or color as needed, and regulating effect is reliable and stable.
Description
Technical field
The present invention relates to LED, and in particular to a kind of LED lamplight adjusting circuit.
Background technique
Currently, existing LED lamplight, which adjusts circuit, not can be implemented simultaneously the power and light color for changing color.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of LED lamplight adjusting circuit, including power module, brightness regulation mould
Block, signal amplification module, color adaptation module；The power module is separately connected luminance adjustment module and color adaptation module；
The signal amplification module connects color adaptation module；
The power module includes mutual inductor LF1, LF2, protective tube F1, resistance R1, R2, R5, R6, R8, R9, R10, R11,
R12, R13, R14, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R44, R47, R48, rectifier bridge
DB1, capacitor CY1, CY2, CY3, CY4, CX1, C2, C3, C4, C5, C6, C7, C8, C9, CE1, CE3, transformer T1, diode
D2, D3, D4, D5, D6, D13, potentiometer VR1, VR2, metal-oxide-semiconductor Q1, inductance L1, power conversion module U1；The mutual inductor LF1
Input terminal passes through protective tube F1 connection AC power source；The mutual inductor LF1 output end is separately connected mutual inductor LF2 input terminal；Institute
Mutual inductor LF1 output end both ends are connected across after stating resistance R1 and R2 series connection；The capacitor CX1 is connected across mutual inductor LF1 output end
Both ends；The rectifier bridge DB1 is connected across mutual inductor LF2 output end both ends；The potentiometer VR1 is connected across rectifier bridge DB1 output
Hold both ends；Described capacitor C4, C5, potentiometer VR2 are connected across mutual inductor LF2 output end both ends respectively；The inductance L1, resistance R7
One end connects capacitor C4, other end connection ground；After the diode D13 connects with capacitor CE3, it is connected across rectifier bridge DB1 output
Hold both ends；After the resistance R18 connects with resistance R19, one end connects diode D13 cathode, other end connection ground；The resistance
After R20 connects with resistance R23, one end connects diode D13 anode, and the other end connects metal-oxide-semiconductor Q3 grid, power conversion module U1
3rd pin, capacitor C2；The resistance R6 connects with R5, and one end connects resistance R23, and the other end connects metal-oxide-semiconductor Q3 drain electrode；It is described
Metal-oxide-semiconductor Q3 source electrode is separately connected the 1st pin of power conversion module U1, capacitor CE1 anode, power supply VCC1, resistance R17, capacitor C7；
The diode D3 anode is separately connected resistance R13, the 4th pin of transformer T1；The diode D3 cathode connects resistance R17；
The diode D4 anode connects resistance R44, capacitor C3, capacitor C7, capacitor CE1 cathode, and connects ground, and cathode is separately connected electricity
Hinder R13, resistance R16；The one end the resistance R44 is separately connected the feedback end FB of power conversion module U1, capacitor C3, the other end point
It Lian Jie not capacitor C3, capacitor C7, capacitor CE1 cathode；The one end the resistance R25 be separately connected resistance R6, resistance R26, capacitor C8,
Capacitor C9, the 1st pin of transformer T1, the other end are separately connected resistance R24, resistance R47；The one end the resistance R22 is separately connected
Resistance R21, capacitor C8, capacitor C9, the other end are separately connected resistance R24, resistance R47, resistance R21, diode D5 cathode, two poles
Pipe D6 cathode；The diode D5 anode, D6 anode connection the 3rd pin of power conversion module U1, metal-oxide-semiconductor Q1 drain electrode, capacitor C6；
The metal-oxide-semiconductor Q1 source electrode is separately connected capacitor C6, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R4, electricity
Hinder R15；The one end the resistance R48 is separately connected the 6th pin of power conversion module U1, diode D2 cathode, and the other end connects respectively
Connect diode D2 anode, resistance R14；The one end the capacitor CY3 be separately connected resistance R8, resistance R9, resistance R10, resistance R11,
Resistance R12, capacitor C2, the 5th pin of transformer T1, other end connection terminal LED-；
The color adaptation module include resistance R27, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38,
R39, R40, R41, R42, R43, R46, R49, R50, R51, R52, R55, R56, R57, R58, R60, capacitor C1, C11, C12,
C13, C14, C15, C16, C17, C18, C19, CE2, CE4, CE5, diode D7, D8, D9, D10, D11, D13, D14, voltage-stabiliser tube
ZD1, ZD63, ZD64, mutual inductor LF3, metal-oxide-semiconductor Q5, Q6, Q7；The diode D14 anode be separately connected diode D8 anode,
The 7th pin of transformer T1, cathode are separately connected diode D8 cathode, capacitor C17, capacitor CE4 anode, resistance R42, R43, R34,
R56, R49, R50, capacitor C14, metal-oxide-semiconductor Q5 drain electrode；The capacitor CE4 cathode is separately connected resistance R34, R56, R49, R50；Institute
Diode D7 anode connection the 10th pin of transformer T1 is stated, cathode connects resistance R30；The one end the resistance R46 is separately connected electricity
R83, R46, R27, R30, capacitor CE2 anode, power supply VCC2 are hindered, the other end is separately connected resistance R27, R29, capacitor C19, pressure stabilizing
Pipe ZD1 cathode, diode D12 anode；The one end the resistance R33 connects resistance R29, and the other end is separately connected capacitor C12, resistance
R31, power supply convert U2；The one end the capacitor C11 connects resistance R32, and the other end is being separately connected capacitor C19, voltage-stabiliser tube ZD1 just
Pole, capacitor C12, resistance R31, capacitor C13, capacitor CE2；The diode D10 cathode is separately connected resistance R51, resistance R41,
Anode is separately connected resistance R41, resistance R35, diode D11 cathode, metal-oxide-semiconductor Q5 grid；The diode D11 anode connects respectively
Connect metal-oxide-semiconductor Q5 source electrode, resistance R35, R36, R37, R38, R39, R40, R52, diode D9 cathode；The diode D9 anode point
It Lian Jie not capacitor CE5 cathode, capacitor C18, the 2nd pin of mutual inductor LF3, capacitor C15, resistance R55；The capacitor CE5 anode point
It Lian Jie not capacitor C1, inductance T2, capacitor C15, resistance R55, the 4th pin of mutual inductor LF3；The metal-oxide-semiconductor Q6 source electrode is separately connected
Resistance R58, voltage-stabiliser tube ZD63 cathode, mutual inductor LF3, grid are separately connected resistance R58, voltage-stabiliser tube ZD63 anode；The metal-oxide-semiconductor
Q7 source electrode is separately connected resistance R57, voltage-stabiliser tube ZD64 cathode, and grid is separately connected resistance R57, voltage-stabiliser tube ZD64 anode；
The luminance adjustment module include resistance R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71,
R72, R73, R75, R76, R77, R78, R79, RJ3, RJ4, capacitor C61, metal-oxide-semiconductor Q63, Q64, voltage-stabiliser tube ZD1, ZD2, diode
D61, D62, triode Q61, Q62, optocoupler U61, U62, power module U4；The one end the resistance R61 connects resistance R6, the other end
Connect resistance R78；The one end the resistance R62 connects resistance R78, and the other end is separately connected resistance R63, power module U4 the 5th pipe
Foot；The one end the capacitor C61 connects the 4th pin of power module U4, and the other end connects resistance R63, and connects ground；The resistance
The one end R64 is separately connected diode D61 cathode, the 6th pin of power module U4, and the other end is separately connected power supply VCC1, resistance
R65；The diode D62 anode is separately connected diode D61 anode, resistance R67, voltage-stabiliser tube ZD62 cathode, and cathode connects respectively
Connecting resistance R65, voltage-stabiliser tube ZD61 cathode；The one end the resistance R66 connects voltage-stabiliser tube ZD61 anode, other end connecting triode
Q61 base stage；The triode Q61 collector connection optocoupler U62 input cathode, emitter connecting triode Q62 emitter, and
Connection ground；The optocoupler U61 input anode is separately connected resistance R67, resistance R69, cathode connecting triode Q62 collector；
The one end the resistance R68 is separately connected power supply VCC1 and resistance R69, and the other end connects optocoupler U62 input anode；The resistance
The one end R73 connects power supply VCC2, and the other end is separately connected resistance R72, resistance R70, resistance R71；The resistance R71 other end connects
Connect optocoupler U61 output end；The one end the resistance R79 is separately connected terminal ADJ, resistance R75, and the other end is separately connected metal-oxide-semiconductor Q63
Drain electrode, resistance RJ3；The metal-oxide-semiconductor Q63 grid is separately connected resistance J3, resistance 76, optocoupler U62 output end；The metal-oxide-semiconductor Q63
Source electrode is separately connected resistance R76, resistance R77, metal-oxide-semiconductor Q64 source electrode, and connects ground；The metal-oxide-semiconductor Q64 grid is separately connected electricity
Hinder R77, resistance RJ4, optocoupler U61 output end；The metal-oxide-semiconductor Q64 drain electrode is separately connected resistance RJ4 and resistance R75；
The signal amplification module includes resistance R81, R82, R83, R53, R54, R56, R59, capacitor C19, C20, C22,
Diode D4, D15, voltage-stabiliser tube Q4, double operational U3；The one end the resistance R83 connects resistance R30, and the other end is separately connected resistance
R82, capacitor C20, voltage-stabiliser tube Q4 cathode and refer to pole；The voltage-stabiliser tube Q4 anode is separately connected capacitor C19, C20, C22, double fortune
The 4th pin of U3, resistance R53, ZD2 anode are put, and connects ground；The capacitor C22 other end is separately connected resistance R59 and double operational
The 5th pin of U3；The diode D15 anode connects the 7th pin of double operational U3, and cathode is separately connected the 6th pin of double operational U3, electricity
Hold C19 and resistance R60；The 3rd pin of double operational U3 connects resistance R82；The resistance R54 is connected across the pipe of double operational U3 the 1st
Between foot and the 2nd pin；The one end the resistance R56 connects resistance R54, and the other end is separately connected resistance R59, resistance R81, ZD2
Cathode, D4 anode.
Further, described resistance R82, R83 are respectively the resistance of 1 megaohm, 20 kilo-ohms.
Further, the voltage-stabiliser tube ZD2 is the voltage-stabiliser tube of 15V.
Further, described capacitor C20, C22 are respectively 104,105 capacitors.
Further, described resistance R54, R56 are respectively the resistance of 1 megaohm, 24 kilo-ohms.
Further, described Q63, Q64 are N-type metal-oxide-semiconductor.
Advantages of the present invention:
The present invention can change lamplight brightness or color as needed, and regulating effect is reliable and stable.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
Fig. 1 is the power module schematic diagram that a kind of LED lamplight of the invention adjusts circuit；
Fig. 2 is the color adaptation module principle figure that a kind of LED lamplight of the invention adjusts circuit；
Fig. 3 is the signal amplification module schematic diagram that a kind of LED lamplight of the invention adjusts circuit；
Fig. 4 is the luminance adjustment module schematic diagram that a kind of LED lamplight of the invention adjusts circuit.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to figs. 1 to Fig. 4, a kind of LED lamplight as shown in Figures 1 to 4 adjusts circuit, including power module, brightness tune
Save module, signal amplification module, color adaptation module；The power module is separately connected luminance adjustment module and color adaptation mould
Block；The signal amplification module connects color adaptation module；
The power module includes mutual inductor LF1, LF2, protective tube F1, resistance R1, R2, R5, R6, R8, R9, R10, R11,
R12, R13, R14, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R44, R47, R48, rectifier bridge
DB1, capacitor CY1, CY2, CY3, CY4, CX1, C2, C3, C4, C5, C6, C7, C8, C9, CE1, CE3, transformer T1, diode
D2, D3, D4, D5, D6, D13, potentiometer VR1, VR2, metal-oxide-semiconductor Q1, inductance L1, power conversion module U1；The mutual inductor LF1
Input terminal passes through protective tube F1 connection AC power source；The mutual inductor LF1 output end is separately connected mutual inductor LF2 input terminal；Institute
Mutual inductor LF1 output end both ends are connected across after stating resistance R1 and R2 series connection；The capacitor CX1 is connected across mutual inductor LF1 output end
Both ends；The rectifier bridge DB1 is connected across mutual inductor LF2 output end both ends；The potentiometer VR1 is connected across rectifier bridge DB1 output
Hold both ends；Described capacitor C4, C5, potentiometer VR2 are connected across mutual inductor LF2 output end both ends respectively；The inductance L1, resistance R7
One end connects capacitor C4, other end connection ground；After the diode D13 connects with capacitor CE3, it is connected across rectifier bridge DB1 output
Hold both ends；After the resistance R18 connects with resistance R19, one end connects diode D13 cathode, other end connection ground；The resistance
After R20 connects with resistance R23, one end connects diode D13 anode, and the other end connects metal-oxide-semiconductor Q3 grid, power conversion module U1
3rd pin, capacitor C2；The resistance R6 connects with R5, and one end connects resistance R23, and the other end connects metal-oxide-semiconductor Q3 drain electrode；It is described
Metal-oxide-semiconductor Q3 source electrode is separately connected the 1st pin of power conversion module U1, capacitor CE1 anode, power supply VCC1, resistance R17, capacitor C7；
The diode D3 anode is separately connected resistance R13, the 4th pin of transformer T1；The diode D3 cathode connects resistance R17；
The diode D4 anode connects resistance R44, capacitor C3, capacitor C7, capacitor CE1 cathode, and connects ground, and cathode is separately connected electricity
Hinder R13, resistance R16；The one end the resistance R44 is separately connected the feedback end FB of power conversion module U1, capacitor C3, the other end point
It Lian Jie not capacitor C3, capacitor C7, capacitor CE1 cathode；The one end the resistance R25 be separately connected resistance R6, resistance R26, capacitor C8,
Capacitor C9, the 1st pin of transformer T1, the other end are separately connected resistance R24, resistance R47；The one end the resistance R22 is separately connected
Resistance R21, capacitor C8, capacitor C9, the other end are separately connected resistance R24, resistance R47, resistance R21, diode D5 cathode, two poles
Pipe D6 cathode；The diode D5 anode, D6 anode connection the 3rd pin of power conversion module U1, metal-oxide-semiconductor Q1 drain electrode, capacitor C6；
The metal-oxide-semiconductor Q1 source electrode is separately connected capacitor C6, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R4, electricity
Hinder R15；The one end the resistance R48 is separately connected the 6th pin of power conversion module U1, diode D2 cathode, and the other end connects respectively
Connect diode D2 anode, resistance R14；The one end the capacitor CY3 be separately connected resistance R8, resistance R9, resistance R10, resistance R11,
Resistance R12, capacitor C2, the 5th pin of transformer T1, other end connection terminal LED-；
The color adaptation module include resistance R27, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38,
R39, R40, R41, R42, R43, R46, R49, R50, R51, R52, R55, R56, R57, R58, R60, capacitor C1, C11, C12,
C13, C14, C15, C16, C17, C18, C19, CE2, CE4, CE5, diode D7, D8, D9, D10, D11, D13, D14, voltage-stabiliser tube
ZD1, ZD63, ZD64, mutual inductor LF3, metal-oxide-semiconductor Q5, Q6, Q7；The diode D14 anode be separately connected diode D8 anode,
The 7th pin of transformer T1, cathode are separately connected diode D8 cathode, capacitor C17, capacitor CE4 anode, resistance R42, R43, R34,
R56, R49, R50, capacitor C14, metal-oxide-semiconductor Q5 drain electrode；The capacitor CE4 cathode is separately connected resistance R34, R56, R49, R50；Institute
Diode D7 anode connection the 10th pin of transformer T1 is stated, cathode connects resistance R30；The one end the resistance R46 is separately connected electricity
R83, R46, R27, R30, capacitor CE2 anode, power supply VCC2 are hindered, the other end is separately connected resistance R27, R29, capacitor C19, pressure stabilizing
Pipe ZD1 cathode, diode D12 anode；The one end the resistance R33 connects resistance R29, and the other end is separately connected capacitor C12, resistance
R31, power supply convert U2；The one end the capacitor C11 connects resistance R32, and the other end is being separately connected capacitor C19, voltage-stabiliser tube ZD1 just
Pole, capacitor C12, resistance R31, capacitor C13, capacitor CE2；The diode D10 cathode is separately connected resistance R51, resistance R41,
Anode is separately connected resistance R41, resistance R35, diode D11 cathode, metal-oxide-semiconductor Q5 grid；The diode D11 anode connects respectively
Connect metal-oxide-semiconductor Q5 source electrode, resistance R35, R36, R37, R38, R39, R40, R52, diode D9 cathode；The diode D9 anode point
It Lian Jie not capacitor CE5 cathode, capacitor C18, the 2nd pin of mutual inductor LF3, capacitor C15, resistance R55；The capacitor CE5 anode point
It Lian Jie not capacitor C1, inductance T2, capacitor C15, resistance R55, the 4th pin of mutual inductor LF3；The metal-oxide-semiconductor Q6 source electrode is separately connected
Resistance R58, voltage-stabiliser tube ZD63 cathode, mutual inductor LF3, grid are separately connected resistance R58, voltage-stabiliser tube ZD63 anode；The metal-oxide-semiconductor
Q7 source electrode is separately connected resistance R57, voltage-stabiliser tube ZD64 cathode, and grid is separately connected resistance R57, voltage-stabiliser tube ZD64 anode；
The luminance adjustment module include resistance R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71,
R72, R73, R75, R76, R77, R78, R79, RJ3, RJ4, capacitor C61, metal-oxide-semiconductor Q63, Q64, voltage-stabiliser tube ZD1, ZD2, diode
D61, D62, triode Q61, Q62, optocoupler U61, U62, power module U4；The one end the resistance R61 connects resistance R6, the other end
Connect resistance R78；The one end the resistance R62 connects resistance R78, and the other end is separately connected resistance R63, power module U4 the 5th pipe
Foot；The one end the capacitor C61 connects the 4th pin of power module U4, and the other end connects resistance R63, and connects ground；The resistance
The one end R64 is separately connected diode D61 cathode, the 6th pin of power module U4, and the other end is separately connected power supply VCC1, resistance
R65；The diode D62 anode is separately connected diode D61 anode, resistance R67, voltage-stabiliser tube ZD62 cathode, and cathode connects respectively
Connecting resistance R65, voltage-stabiliser tube ZD61 cathode；The one end the resistance R66 connects voltage-stabiliser tube ZD61 anode, other end connecting triode
Q61 base stage；The triode Q61 collector connection optocoupler U62 input cathode, emitter connecting triode Q62 emitter, and
Connection ground；The optocoupler U61 input anode is separately connected resistance R67, resistance R69, cathode connecting triode Q62 collector；
The one end the resistance R68 is separately connected power supply VCC1 and resistance R69, and the other end connects optocoupler U62 input anode；The resistance
The one end R73 connects power supply VCC2, and the other end is separately connected resistance R72, resistance R70, resistance R71；The resistance R71 other end connects
Connect optocoupler U61 output end；The one end the resistance R79 is separately connected terminal ADJ, resistance R75, and the other end is separately connected metal-oxide-semiconductor Q63
Drain electrode, resistance RJ3；The metal-oxide-semiconductor Q63 grid is separately connected resistance J3, resistance 76, optocoupler U62 output end；The metal-oxide-semiconductor Q63
Source electrode is separately connected resistance R76, resistance R77, metal-oxide-semiconductor Q64 source electrode, and connects ground；The metal-oxide-semiconductor Q64 grid is separately connected electricity
Hinder R77, resistance RJ4, optocoupler U61 output end；The metal-oxide-semiconductor Q64 drain electrode is separately connected resistance RJ4 and resistance R75；
The signal amplification module includes resistance R81, R82, R83, R53, R54, R56, R59, capacitor C19, C20, C22,
Diode D4, D15, voltage-stabiliser tube Q4, double operational U3；The one end the resistance R83 connects resistance R30, and the other end is separately connected resistance
R82, capacitor C20, voltage-stabiliser tube Q4 cathode and refer to pole；The voltage-stabiliser tube Q4 anode is separately connected capacitor C19, C20, C22, double fortune
The 4th pin of U3, resistance R53, ZD2 anode are put, and connects ground；The capacitor C22 other end is separately connected resistance R59 and double operational
The 5th pin of U3；The diode D15 anode connects the 7th pin of double operational U3, and cathode is separately connected the 6th pin of double operational U3, electricity
Hold C19 and resistance R60；The 3rd pin of double operational U3 connects resistance R82；The resistance R54 is connected across the pipe of double operational U3 the 1st
Between foot and the 2nd pin；The one end the resistance R56 connects resistance R54, and the other end is separately connected resistance R59, resistance R81, ZD2
Cathode, D4 anode.
Described resistance R82, R83 are respectively the resistance of 1 megaohm, 20 kilo-ohms.
The voltage-stabiliser tube ZD2 is the voltage-stabiliser tube of 15V.
Described capacitor C20, C22 are respectively 104,105 capacitors.
Described resistance R54, R56 are respectively the resistance of 1 megaohm, 24 kilo-ohms.
Described Q63, Q64 are N-type metal-oxide-semiconductor.
The current transformer of circuit of the present invention just plays the role of unsteady flow and electrical isolation.
CN4 terminal in figure connects LED, is shown as white light, and the CN4 terminal in figure connects LED, is shown as yellow light.
The present invention can change lamplight brightness or color as needed, and regulating effect is reliable and stable.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of LED lamplight adjusts circuit, which is characterized in that including power module, luminance adjustment module, signal amplification module,
Color adaptation module；The power module is separately connected luminance adjustment module and color adaptation module；The signal amplification module
Connect color adaptation module；
The power module includes mutual inductor LF1, LF2, protective tube F1, resistance R1, R2, R5, R6, R8, R9, R10, R11, R12,
R13, R14, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R44, R47, R48, rectifier bridge DB1, electricity
Hold CY1, CY2, CY3, CY4, CX1, C2, C3, C4, C5, C6, C7, C8, C9, CE1, CE3, transformer T1, diode D2, D3,
D4, D5, D6, D13, potentiometer VR1, VR2, metal-oxide-semiconductor Q1, inductance L1, power conversion module U1；The mutual inductor LF1 input terminal
Pass through protective tube F1 connection AC power source；The mutual inductor LF1 output end is separately connected mutual inductor LF2 input terminal；The resistance
Mutual inductor LF1 output end both ends are connected across after R1 and R2 series connection；The capacitor CX1 is connected across mutual inductor LF1 output end both ends；Institute
It states rectifier bridge DB1 and is connected across mutual inductor LF2 output end both ends；The potentiometer VR1 is connected across rectifier bridge DB1 output end both ends；
Described capacitor C4, C5, potentiometer VR2 are connected across mutual inductor LF2 output end both ends respectively；The inductance L1, the one end resistance R7 connect
Connect capacitor C4, other end connection ground；After the diode D13 connects with capacitor CE3, it is connected across rectifier bridge DB1 output end both ends；
After the resistance R18 connects with resistance R19, one end connects diode D13 cathode, other end connection ground；The resistance R20 and electricity
After hindering R23 series connection, one end connects diode D13 anode, and the other end connects metal-oxide-semiconductor Q3 grid, power conversion module U1 the 3rd is managed
Foot, capacitor C2；The resistance R6 connects with R5, and one end connects resistance R23, and the other end connects metal-oxide-semiconductor Q3 drain electrode；The metal-oxide-semiconductor
Q3 source electrode is separately connected the 1st pin of power conversion module U1, capacitor CE1 anode, power supply VCC1, resistance R17, capacitor C7；It is described
Diode D3 anode is separately connected resistance R13, the 4th pin of transformer T1；The diode D3 cathode connects resistance R17；It is described
Diode D4 anode connects resistance R44, capacitor C3, capacitor C7, capacitor CE1 cathode, and connects ground, and cathode is separately connected resistance
R13, resistance R16；The one end the resistance R44 is separately connected the feedback end FB of power conversion module U1, capacitor C3, other end difference
Connect capacitor C3, capacitor C7, capacitor CE1 cathode；The one end the resistance R25 is separately connected resistance R6, resistance R26, capacitor C8, electricity
Hold C9, the 1st pin of transformer T1, the other end is separately connected resistance R24, resistance R47；The one end the resistance R22 is separately connected electricity
R21, capacitor C8, capacitor C9 are hindered, the other end is separately connected resistance R24, resistance R47, resistance R21, diode D5 cathode, diode
D6 cathode；The diode D5 anode, D6 anode connection the 3rd pin of power conversion module U1, metal-oxide-semiconductor Q1 drain electrode, capacitor C6；Institute
It states metal-oxide-semiconductor Q1 source electrode and is separately connected capacitor C6, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R4, resistance
R15；The one end the resistance R48 is separately connected the 6th pin of power conversion module U1, diode D2 cathode, and the other end is separately connected
Diode D2 anode, resistance R14；The one end the capacitor CY3 is separately connected resistance R8, resistance R9, resistance R10, resistance R11, electricity
Hinder R12, capacitor C2, the 5th pin of transformer T1, other end connection terminal LED-；
The color adaptation module include resistance R27, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39,
R40, R41, R42, R43, R46, R49, R50, R51, R52, R55, R56, R57, R58, R60, capacitor C1, C11, C12, C13,
C14, C15, C16, C17, C18, C19, CE2, CE4, CE5, diode D7, D8, D9, D10, D11, D13, D14, voltage-stabiliser tube ZD1,
ZD63, ZD64, mutual inductor LF3, metal-oxide-semiconductor Q5, Q6, Q7；The diode D14 anode is separately connected diode D8 anode, transformation
The 7th pin of device T1, cathode are separately connected diode D8 cathode, capacitor C17, capacitor CE4 anode, resistance R42, R43, R34, R56,
R49, R50, capacitor C14, metal-oxide-semiconductor Q5 drain electrode；The capacitor CE4 cathode is separately connected resistance R34, R56, R49, R50；Described two
Pole pipe D7 anode connects the 10th pin of transformer T1, and cathode connects resistance R30；The one end the resistance R46 is separately connected resistance
R83, R46, R27, R30, capacitor CE2 anode, power supply VCC2, the other end are separately connected resistance R27, R29, capacitor C19, voltage-stabiliser tube
ZD1 cathode, diode D12 anode；The one end the resistance R33 connects resistance R29, and the other end is separately connected capacitor C12, resistance
R31, power supply convert U2；The one end the capacitor C11 connects resistance R32, and the other end is being separately connected capacitor C19, voltage-stabiliser tube ZD1 just
Pole, capacitor C12, resistance R31, capacitor C13, capacitor CE2；The diode D10 cathode is separately connected resistance R51, resistance R41,
Anode is separately connected resistance R41, resistance R35, diode D11 cathode, metal-oxide-semiconductor Q5 grid；The diode D11 anode connects respectively
Connect metal-oxide-semiconductor Q5 source electrode, resistance R35, R36, R37, R38, R39, R40, R52, diode D9 cathode；The diode D9 anode point
It Lian Jie not capacitor CE5 cathode, capacitor C18, the 2nd pin of mutual inductor LF3, capacitor C15, resistance R55；The capacitor CE5 anode point
It Lian Jie not capacitor C1, inductance T2, capacitor C15, resistance R55, the 4th pin of mutual inductor LF3；The metal-oxide-semiconductor Q6 source electrode is separately connected
Resistance R58, voltage-stabiliser tube ZD63 cathode, mutual inductor LF3, grid are separately connected resistance R58, voltage-stabiliser tube ZD63 anode；The metal-oxide-semiconductor
Q7 source electrode is separately connected resistance R57, voltage-stabiliser tube ZD64 cathode, and grid is separately connected resistance R57, voltage-stabiliser tube ZD64 anode；
The luminance adjustment module include resistance R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72,
R73, R75, R76, R77, R78, R79, RJ3, RJ4, capacitor C61, metal-oxide-semiconductor Q63, Q64, voltage-stabiliser tube ZD1, ZD2, diode D61,
D62, triode Q61, Q62, optocoupler U61, U62, power module U4；The one end the resistance R61 connects resistance R6, other end connection
Resistance R78；The one end the resistance R62 connects resistance R78, and the other end is separately connected resistance R63, the 5th pin of power module U4；Institute
The one end capacitor C61 connection the 4th pin of power module U4 is stated, the other end connects resistance R63, and connects ground；The one end the resistance R64
It is separately connected diode D61 cathode, the 6th pin of power module U4, the other end is separately connected power supply VCC1, resistance R65；Described two
Pole pipe D62 anode is separately connected diode D61 anode, resistance R67, voltage-stabiliser tube ZD62 cathode, cathode be separately connected resistance R65,
Voltage-stabiliser tube ZD61 cathode；The one end the resistance R66 connects voltage-stabiliser tube ZD61 anode, other end connecting triode Q61 base stage；It is described
Triode Q61 collector connects optocoupler U62 input cathode, emitter connecting triode Q62 emitter, and connects ground；It is described
Optocoupler U61 input anode is separately connected resistance R67, resistance R69, cathode connecting triode Q62 collector；The resistance R68
One end is separately connected power supply VCC1 and resistance R69, and the other end connects optocoupler U62 input anode；The connection of the one end the resistance R73
Power supply VCC2, the other end are separately connected resistance R72, resistance R70, resistance R71；The resistance R71 other end connection optocoupler U61 is defeated
Outlet；The one end the resistance R79 is separately connected terminal ADJ, resistance R75, and the other end is separately connected metal-oxide-semiconductor Q63 drain electrode, resistance
RJ3；The metal-oxide-semiconductor Q63 grid is separately connected resistance J3, resistance 76, optocoupler U62 output end；The metal-oxide-semiconductor Q63 source electrode difference
Resistance R76, resistance R77, metal-oxide-semiconductor Q64 source electrode are connected, and connects ground；The metal-oxide-semiconductor Q64 grid is separately connected resistance R77, electricity
Hinder RJ4, optocoupler U61 output end；The metal-oxide-semiconductor Q64 drain electrode is separately connected resistance RJ4 and resistance R75；
The signal amplification module includes resistance R81, R82, R83, R53, R54, R56, R59, capacitor C19, C20, C22, two poles
Pipe D4, D15, voltage-stabiliser tube Q4, double operational U3；The one end the resistance R83 connect resistance R30, the other end be separately connected resistance R82,
Capacitor C20, voltage-stabiliser tube Q4 cathode and refer to pole；The voltage-stabiliser tube Q4 anode is separately connected capacitor C19, C20, C22, double operational U3
4th pin, resistance R53, ZD2 anode, and connect ground；The capacitor C22 other end is separately connected resistance R59 and double operational U3
5 pins；The diode D15 anode connects the 7th pin of double operational U3, and cathode is separately connected the 6th pin of double operational U3, capacitor
C19 and resistance R60；The 3rd pin of double operational U3 connects resistance R82；The resistance R54 is connected across the 1st pin of double operational U3
And the 2nd between pin；The one end the resistance R56 connects resistance R54, and the other end is separately connected resistance R59, resistance R81, ZD2 are born
Pole, D4 anode.
2. LED lamplight according to claim 1 adjusts circuit, which is characterized in that described resistance R82, R83 are respectively 1,000,000
Europe, 20 kilo-ohms of resistance.
3. LED lamplight according to claim 1 adjusts circuit, which is characterized in that the voltage-stabiliser tube ZD2 is the pressure stabilizing of 15V
Pipe.
4. LED lamplight according to claim 1 adjusts circuit, which is characterized in that described capacitor C20, C22 be respectively 104,
105 capacitors.
5. LED lamplight according to claim 1 adjusts circuit, which is characterized in that described resistance R54, R56 are respectively 1,000,000
Europe, 24 kilo-ohms of resistance.
6. LED lamplight according to claim 1 adjusts circuit, which is characterized in that described Q63, Q64 are N-type metal-oxide-semiconductor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710021303.5A CN108307555B (en) | 2017-01-12 | 2017-01-12 | A kind of LED lamplight adjusting circuit |
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| CN201710021303.5A CN108307555B (en) | 2017-01-12 | 2017-01-12 | A kind of LED lamplight adjusting circuit |
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| CN108307555A CN108307555A (en) | 2018-07-20 |
| CN108307555B true CN108307555B (en) | 2019-09-06 |
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| CN2919775Y (en) * | 2006-04-04 | 2007-07-04 | 张卫东 | Twinkling fancy lamp controlled by music |
| KR20090077583A (en) * | 2008-01-11 | 2009-07-15 | 리디스 테크놀로지 인코포레이티드 | An apparatus and a method for driving plural led |
| CN204482081U (en) * | 2015-02-11 | 2015-07-15 | 深圳民爆光电技术有限公司 | A kind of LED switch dimming color-temperature regulating circuit |
| CN204518177U (en) * | 2015-04-13 | 2015-07-29 | 陈彩华 | A kind of LED drive power circuit |
| KR101674550B1 (en) * | 2015-12-30 | 2016-11-22 | 지홈엘이디 주식회사 | dimming control device of LED lamp using switch on-off signal |
| CN105792413B (en) * | 2016-03-10 | 2018-02-16 | 深圳市通普科技有限公司 | LED intelligent driven controlling systems and light fixture |
| CN105848349A (en) * | 2016-05-04 | 2016-08-10 | 东莞市领冠半导体照明有限公司 | Broad input voltage dimming driving circuit |
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