CN205961500U - LED device that constant voltage power supply , intelligence can be adjusted luminance and mixed colours - Google Patents
LED device that constant voltage power supply , intelligence can be adjusted luminance and mixed colours Download PDFInfo
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- CN205961500U CN205961500U CN201620655930.5U CN201620655930U CN205961500U CN 205961500 U CN205961500 U CN 205961500U CN 201620655930 U CN201620655930 U CN 201620655930U CN 205961500 U CN205961500 U CN 205961500U
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Abstract
The utility model relates to a LED device that constant voltage power supply, intelligence can be adjusted luminance and mixed colours, intelligence can be adjusted luminance mixing of colors LED device and included bluetooth wireless module, PWM LED drive circuit, constant voltage power supply and the LED three primary colors circuit that gives off light. Bluetooth wireless module pulse signal to the PWM LED drive circuit corresponding according to a mobile terminal's accent optical signal output, PWMLED drive circuit sends drive current according to the pulse signal who comes from bluetooth wireless module to the luminous circuit of LED three primary colors, constant voltage power supply is used for for PWM LED drive circuit and the power supply of bluetooth wireless module. The utility model discloses can send colour and the luminance that the LED lamp was controlled to corresponding signal through mobile terminal's bluetooth, the constant voltage power supply in this device has also done further promotion for its power efficiency is higher.
Description
Technical field
This utility model is related to LED lamp field, and more particularly, to one kind comprises the intelligence tunable optical toning of constant voltage power supply
LED matrix.
Background technology
More families or other need using more than the occasion of bulb using electric filament lamp, electricity-saving lamp or Halogen light, this
The sample not only big short life of energy resource consumption, causes environmental pollution, and intelligentized control method not high it is impossible to the brightness to light and color
Change carries out more careful regulation.The appearance of LED bulb can solve the problem that the energy consumption problem of conventional bulb, life problems etc., but
It is that its current dimming effect is also undesirable, although some producers produce the LED that some can carry out intelligentized control method,
Be its be more to need to be independently arranged an IR remote controller to be controlled, waste certain resource in terms of certain,
And must be adjusted against LED when operation, not convenient.
Utility model content
One of the purpose of this utility model is to provide a kind of constant voltage power supply, and its power supplying efficiency is higher, power-on time
More longlasting.
The two of the purpose of this utility model are to provide a kind of LED matrix of intelligent tunable optical toning, and it can pass through mobile phone
To carry out intelligentized control method to LED, adjust brightness and color as needed.
One of for achieving the above object, this utility model adopts the following technical scheme that：
A kind of constant voltage power supply, including rectifier bridge BR1, transformator T1, also includes π type filter circuit, RCD absorbs electricity
Road, high efficiency off-line switch IC, the power supply circuits of high efficiency off-line switch IC, output filter, photo-coupler U2 and benchmark electricity
Potential source；
The input of rectifier bridge BR1 and civil power electric connection, the outfan of described rectifier bridge BR1 and π type filter circuit
Input is electrically connected with, and the electrical input of described RCD absorbing circuit, high efficiency off-line switch first source electrode of IC, the second source
Pole, the 3rd source electrode and the 4th source electrode are all electrically connected with the input of π type filter circuit, described RCD absorbing circuit outfan with
The drain electrode that high efficiency off-line switchs IC is electrically connected with, and the outfan of described power supply circuits switchs the multi-functional of IC with high efficiency off-line
End is electrically connected with, and described RCD absorbing circuit connects first primary coil of described transformator T1, and the input of power supply circuits connects
Second primary coil of described transformator T1, the described secondary coil of transformator T1 is connected with the input of output filter, institute
State the outfan of output filter and reference voltage source is electrically connected with, the outfan of described reference voltage source is defeated with photo-coupler U2
Enter end to be electrically connected with, the Enable Pin that the outfan of described photo-coupler U2 and high efficiency off-line switch IC is electrically connected with.
Preferably, described π type filter circuit includes inductance L1, inductance L3, resistance R2, electric capacity C3, electric capacity C4, described optocoupler
The outfan of clutch U2 includes emitter and collector, described resistance R2, inductance L1, electric capacity C3 one end all with described rectifier bridge
The outfan of BR1 is electrically connected with, and described resistance R2, the other end of inductance L1 are all electrically connected with one end of electric capacity C4, described electricity
Hold the other end of C3, one end of inductance L3 is all electrically connected with the outfan of described rectifier bridge BR1, described inductance L3's is another
End, the other end of electric capacity C4 all switch the first source electrode, the second source electrode, the 3rd source electrode and the 4th source of IC with described high efficiency off-line
Pole is electrically connected with the emitter stage of audion of described photo-coupler U2, ground terminal.
Preferably, described RCD absorbing circuit includes resistance R4, resistance R5, electric capacity C7, diode D3, described resistance R4, electricity
Hold C7 one end connect with electric capacity C4, resistance R2 in described π type filter circuit and inductance L1 end electric connection, and with described change
One end of first primary coil of depressor T1 is electrically connected with, one end electricity of described resistance R4, the other end of electric capacity C7 and resistance R5
Property connect, the negative pole of the other end of resistance R5 and diode D3 is electrically connected with, the positive pole of diode D3 and the first of transformator T1
The drain electrode that the other end of primary coil, high efficiency off-line switch IC is electrically connected with.
Preferably, described output filter includes resistance R1, electric capacity C1, diode D2, electric capacity C5, inductance L2, electric capacity C6,
One end of described resistance R1, the positive pole of diode D2 and one end of the secondary coil of described transformator T1 are electrically connected with, resistance R1
One end of the other end and electric capacity C1 be electrically connected with, the other end of electric capacity C1, one end of inductance L2, one end of electric capacity C5 are all with two
The negative pole of pole pipe D2 is electrically connected with, and the other end of inductance L2 is electrically connected with electric capacity C6, electric capacity C5, electric capacity C6 the other end all with
The other end of described transformator T1 secondary coil is electrically connected with.
Preferably, described power supply circuits include diode D4, electric capacity C8, resistance R7, diode D5, resistance R9, electric capacity C8,
Electric capacity C10, resistance R9, electric capacity C11, the positive pole of described diode D4 is electric with one end of second primary coil of described transformator T1
Property connect, one end of the negative pole of diode D4 and resistance R7 is electrically connected with, one end of the other end of resistance R7 and electric capacity C8, resistance
One end of R9, diode D5 negative pole be electrically connected with, the other end of resistance R9, diode D5 positive pole all with electric capacity C10, electric capacity
One end of C11 connects, and the multi-function terminal that connection end switchs IC with described high efficiency off-line is electrically connected with, electric capacity C8, electric capacity
C10, the other end of electric capacity C11 are all electrically connected with the other end of second primary coil of described transformator T1.
Preferably, described reference voltage source includes resistance R13, resistance R14, electric capacity C13, electric capacity C12, controllable silicon Q1, institute
The input stating photo-coupler U2 includes negative electrode and anode, one end of described resistance R13 and electric capacity in described output filter circuit
The end that connects of C1 and inductance L2, negative electrode electric connection, the other end of resistance R13 and the electric capacity of the diode of described photo-coupler U2
One end of C12, one end of electric capacity C13, the anode of controllable silicon Q1, the anode of the diode of described photo-coupler U2 are electrically connected with,
The other end of electric capacity C13 is electrically connected with resistance R14, inductance L2 and electricity in the other end of resistance R14 and described output filter
Hold the end that connects of C6, the grid of controllable silicon Q1 is electrically connected with, the other end of electric capacity C12 is electrically connected with simultaneously with the negative electrode of controllable silicon Q1
Ground connection.
Preferably, resistance R10 and resistance R11, the negative electrode of the diode of one end of resistance R10 and photo-coupler U2 are also included
It is electrically connected with, the other end of resistance R10 is electrically connected with the negative pole of diode D2, the grid of one end of resistance R11 and controllable silicon Q1
Pole is electrically connected with, and the other end of resistance R11 is electrically connected with one end of electric capacity C6, the other end of inductance L2.One kind comprises constant voltage
The LED matrix of the intelligent tunable optical toning of power supply is it is characterised in that also include bluetooth radio module, PWN LED drives electricity
Road and LED three-color light-emitting circuit, described bluetooth radio module exports corresponding pulse according to the dim signal of a mobile terminal
Signal is to PWM LED drive circuit；Described PWM LED drive circuit is according to the pulse signal from bluetooth radio module to LED
Three-color light-emitting circuit sends driving current；Described constant voltage power supply is used for PWM LED drive circuit and the wireless mould of bluetooth
Block is powered.
Preferably, the drive circuit of described PWM LED includes electric capacity C14, electric capacity C15, three-terminal voltage-stabilizing pipe V1, resistance
R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, inductance L4, inductance L5, inductance L6, voltage stabilizing
Diode D6, Zener diode D7, Zener diode D8, the first driving chip U3, the second driving chip U4 and the 3rd driving
Chip U5；
The input of described three-terminal voltage-stabilizing pipe V1 is electrically connected with constant voltage power supply, the output of described three-terminal voltage-stabilizing pipe V1
One end of end and electric capacity C14 is all electrically connected with the voltage input end of bluetooth module, the ground terminal of described three-terminal voltage-stabilizing pipe V1, electric capacity
The ground terminal of the other end of C14, the other end of electric capacity C15 and bluetooth module is all grounded, the first pulse signal of described bluetooth module
Outfan, the second pulse signal output end and the 3rd pulse signal output end are all electrically connected with PWM LED drive circuit.
First arteries and veins all with bluetooth module for first pulse input end of one end of described resistance R17 and the first driving chip U3
Rush signal output part to be electrically connected with, second pulse signal input terminal of described resistance R18 and the second driving chip U4 is all and bluetooth
Second pulse signal output end of module is electrically connected with, and the 3rd pulse signal of described resistance R19 and the 3rd driving chip U5 is defeated
Enter end all with bluetooth module the 3rd pulse signal output end electric connection, described resistance R17, resistance R18, resistance R19 another
One end is all grounded；
One end of the positive pole of described diode D6 and inductance L4 is all electrically connected with the switch terminals of the first driving chip U3, institute
One end of the negative pole and resistance R20 of stating diode D6 is all electrically connected with the input of the first driving chip U3, described first drive
The voltage sample end of dynamic chip U3 is electrically connected with the other end of resistance R20；
One end of the positive pole of described diode D7 and inductance L5 is all electrically connected with the switch terminals of the second driving chip U4, institute
One end of the negative pole and resistance R21 of stating diode D7 is all electrically connected with the input of the second driving chip U4, described second drive
The voltage sample end of dynamic chip U4 is electrically connected with the other end of resistance R21；
One end of the positive pole of described diode D8 and inductance L6 is all electrically connected with the switch terminals of the 3rd driving chip U5, institute
One end of the negative pole and resistance R22 of stating diode D8 is all electrically connected with the input of the 3rd driving chip U5, described 3rd drive
The voltage sample end of dynamic chip U5 is electrically connected with the other end of resistance R22；
The negative pole of described diode D6, the negative pole of diode D7, the negative pole of diode D8 and resistance R20 one end equal
It is electrically connected with one end of electric capacity C14, the ground terminal of the first driving chip U3, the ground terminal of the second driving chip U4, the 3rd driving core
The other end of the ground terminal of piece U4 and electric capacity C14 is all grounded；
The voltage sample end of described first driving chip U3, the voltage sample end of described second driving chip U4, described
The voltage sample end of three driving chip U4, the other end of inductance L4, the other end of inductance L5, inductance L6 the other end all and LED
Three-color light-emitting circuit is electrically connected with.
Preferably, described LED three-color light-emitting circuit includes red light-emitting diode D9, blue light emitting diode D10, green
The positive pole of light-emitting diode D11, described red light-emitting diode D9 connects the voltage sample end of the first driving chip U3, red
The negative pole of light Light-Emitting Diode D9 connects the other end of inductance L4, and described blue light-emitting diode D10 positive pole connects the first drive
The voltage sample end of dynamic chip U4, blue light emitting diode D10 negative pole connects the other end of inductance L5, described green luminescence two
Pole pipe D11 positive pole connects the voltage sample end of the 3rd driving chip U5, and green light emitting diode D11 negative pole connects the another of inductance L6
One end.
Compared to prior art, the beneficial effects of the utility model are：
Light modulation toning signal can be sent to bluetooth radio module by way of mobile phone is by Bluetooth wireless transmission, thus
Realize the light modulation toning to LED, and can be from any angle using it is not necessary to be aligned LED just can be adjusted.Through changing
The circuit that good constant voltage source is powered, so that its power supplying efficiency has lifting, is provided that the power supply of longer time.
Brief description
Fig. 1 is the circuit diagram of constant voltage power supply of the present utility model；
Fig. 2 is a kind of circuit diagram of the LED matrix of intelligent tunable optical toning of this utility model.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, this utility model is described further：
Referring to Fig. 1, the present embodiment provides a kind of circuit of constant voltage power supply, including rectifier bridge BR1, transformator T1, π type
Filter circuit, RCD absorbing circuit, high efficiency off-line switch IC, power supply circuits, output filter, photo-coupler U2 and benchmark electricity
Potential source；
Input 2 end of described rectifier bridge BR1 and civil power electric connection, outfan 4 end of described rectifier bridge BR1 and π type
Filter circuit input is electrically connected with, and described π type filter circuit outfan is electrically connected with RCD absorbing circuit input, described π
Type filter circuit outfan switchs the first source S 1 end of IC, the second source S 2, the 3rd source S 3 and the 4th with high efficiency off-line
Source S 4 is electrically connected with, and the drain D end that described RCD absorbing circuit outfan and high efficiency off-line switch IC is electrically connected with, described
High efficiency off-line switchs the power supply circuits of IC and high efficiency off-line switchs the multi-function terminal BP/M end electric connection of IC, power supply circuits
Being connected with chip by multi-function terminal makes chip work on power, and described RCD circuit connects the first primary coil of described transformator,
Described high efficiency off-line switchs the second primary coil of the power supply circuits described transformator of connection of IC, the secondary of described transformator
Coil is connected with output filter, and described output filter and reference voltage source are electrically connected with, described reference voltage source and optocoupler
Clutch U2 is electrically connected with, and the colelctor electrode C-terminal of the audion of described photo-coupler U2 switchs Enable Pin EN/ of IC with high efficiency off-line
UV end is electrically connected with.In whole circuit, electric current flows into from civil power zero line, and it is alternating current, after rectifier bridge, will hand over
Stream electricity is changed into pulsating direct current, then flows through pi type filter, and it is primarily to reduce the alternating component in Rectified alternating current, so
Afterwards for over-voltage suppression, reduce loss, it is provided with RCD absorbing circuit after pi type filter.Can be by by transformator T1
Magnitude of voltage required for it is converted into reaches secondary coil, then passes through output filter, to its rectification so that output is flat
Sliding DC voltage.The power supply circuits that high efficiency off-line switchs IC are mainly high efficiency off-line switch U1 offer voltage, high efficiency off-line
Formula switchs can turning off accessory power supply, so greatly save the energy when circuit leaves unused of IC.Photo-coupler and benchmark
Voltage source also for can make output voltage be a stable value.Wherein high efficiency off-line switchs the model of IC
TNY286D, model PC817. of photo-coupler
Pi-network includes inductance L1, inductance L3, resistance R2, electric capacity C3, electric capacity C4, described resistance R2, inductance L1, electric capacity
C3 is all electrically connected with outfan 4 end of described rectifier bridge BR1, and described resistance R2, the other end of inductance L1 are all with electric capacity C4's
One end is electrically connected with, and the other end of described electric capacity C3, one end of inductance L3 are all electrical with input 3 end of described rectifier bridge BR1
Connect, the other end of described inductance L3, the other end of electric capacity C4 all switch the S end of IC and described optocoupler with described high efficiency off-line
The E end of clutch is electrically connected with.
RCD absorbing circuit includes resistance R4, resistance R5, electric capacity C7, diode D3, described resistance R4, one end of electric capacity C7
Connected end electric connection with electric capacity C4, resistance R2 and inductance L1 in described pi-network, and first with described transformator T1
One end of primary coil is electrically connected with, and one end of described resistance R4, the other end of electric capacity C7 and resistance R5 is electrically connected with, resistance R5
The negative pole of the other end and diode D3 be electrically connected with, the positive pole of diode D3 is another with first primary coil of transformator T1
The drain D end that end, high efficiency off-line switch IC is electrically connected with.
Output filter circuit includes resistance R1, electric capacity C1, diode D2, electric capacity C5, inductance L2, electric capacity C6, described resistance
R1, the positive pole of diode D2 are electrically connected with one end of the secondary coil of described transformator T1, and resistance R1 is electrically connected with electric capacity C1
Connect, the other end of electric capacity C1, one end of inductance L2, one end of electric capacity C5 are all electrically connected with the negative pole of diode D2, inductance L2
The other end and electric capacity C6 be electrically connected with, electric capacity C5, electric capacity C6 the other end all another with described transformator T1 secondary coil
End is electrically connected with.
High efficiency off-line switch IC power supply circuits include diode D4, electric capacity C8, resistance R7, diode D5, resistance R9,
Second primary coil of electric capacity C8, electric capacity C10, resistance R9, electric capacity C11, the positive pole of described diode D4 and described transformator T1
One end be electrically connected with, one end of the negative pole of diode D4 and resistance R7 is electrically connected with, and the other end of resistance R7 is with electric capacity C8's
One end, one end of resistance R9, the negative pole of diode D5 are electrically connected with, the other end of resistance R9, diode D5 positive pole all with electric
Hold C10, one end of electric capacity C11 connects, and the Enable Pin BP/M end that connection end switchs IC with described high efficiency off-line electrically connects
Connect, and between Enable Pin and the colelctor electrode of photoelectrical coupler, be electrically connected with a resistance R12, electric capacity C8, electric capacity C10, electric capacity C11
The other end be all electrically connected with the other end of second primary coil of described transformator T1.
Reference voltage source includes resistance R13, resistance R14, electric capacity C13, electric capacity C12, controllable silicon Q1, its model
CD431.The end that connects of one end of described resistance R13 and electric capacity C1 in described output filter circuit and inductance L2, described optical coupling
The negative electrode of the diode of device U2 is electrically connected with, one end of the other end of resistance R13 and electric capacity C12, one end of electric capacity C13, controlled
The anode of silicon Q1, the anode of the diode of described photo-coupler U2 are electrically connected with, and the other end of electric capacity C13 is electrical with resistance R14
Connect, the end that connects with inductance L2 in described output filter and electric capacity C6 for the other end of resistance R14, the grid 2 of controllable silicon Q1
End is electrically connected with, and the other end of electric capacity C12 is electrically connected with and is grounded with the negative electrode of controllable silicon Q1.
For safety, it is provided with electric fuse F1, electric capacity C2 and varistor VR1 in civil power incoming end, reduce high pressure to electricity
The impact on road.Discharge resistance R3, so that the electric charge being stored within electric capacity consumes as early as possible when power supply disconnects, prevents
Its interference power works.Resistance R15, resistance R16 is provided to facilitate technique adjustment, can be directly by external resistance resistance
The adjustment of value size, adjusts overall effect.Its composition deposited circuit of over-voltage fault of resistance R6, resistance R8, works as high efficiency off-line
When switch IC monitors the electric current of pin less than 18.75 μ A, internal breaking circuit is reset.
In conjunction with the LED matrix of a kind of intelligent tunable optical toning shown in Fig. 1 and Fig. 2, being the present embodiment, wireless including bluetooth
Module, PWM LED drive circuit, constant voltage power supply and LED three-color light-emitting circuit.The finger that mobile terminal can send according to you
Adjusting out corresponding signal thus sending out to bluetooth radio module by Bluetooth signal, bluetooth radio module is according to one for order
The dim signal of mobile terminal exports corresponding pulse signal to PWM LED drive circuit, and PWM LED drive circuit is according to being derived from
The pulse signal of bluetooth radio module to LED three-color light-emitting circuit send driving current, described constant voltage power supply be used for
PWM LED drive circuit and bluetooth radio module are powered.LED three-color light-emitting circuit can be adjusted by the signal of transmission
The corresponding size of LED brightness and the combination of LED modules with different colors lamp are thus obtaining corresponding color and brightness.
PWM LED drive circuit includes electric capacity C14, electric capacity C15, three-terminal voltage-stabilizing pipe V1, resistance R17, resistance R18, resistance
R19, resistance R20, resistance R21, resistance R22, resistance R23, inductance L4, inductance L5, inductance L6, diode D6, diode D7, two
Pole pipe D8, the first driving chip U3, the second driving chip U4 and the 3rd driving chip U5.The input of described three-terminal voltage-stabilizing pipe V1
End is electrically connected with constant voltage power supply, and the outfan of described three-terminal voltage-stabilizing pipe V1 and one end of electric capacity C14 are all and bluetooth module
Voltage input end be electrically connected with, the ground terminal of described three-terminal voltage-stabilizing pipe V1, the other end of electric capacity C14, the other end of electric capacity C15 and
The ground terminal of bluetooth module is all grounded.First pulse signal output end R end of described bluetooth module, the second pulse signal output end B
End and the 3rd pulse signal output end G end are all electrically connected with PWM LED drive circuit.One end of described resistance R17 and
The first pulse input end CTRL end of one driving chip U3 is all electrically connected with the first pulse signal output end R end of bluetooth module
Connect, the second pulse signal input terminal CTRL end of described resistance R18 and the second driving chip U4 the second arteries and veins all with bluetooth module
Rush signal output part B end to be electrically connected with, the 3rd pulse signal input terminal CTRL end of described resistance R19 and the 3rd driving chip U5
All it is electrically connected with the 3rd pulse signal output end G end of bluetooth module.Described resistance R17, resistance R18, resistance R19 another
End is all grounded, and its resistance is all 3.3k Ω.One end of the positive pole of described diode D6 and inductance L4 all drives core with first
The switch terminals SW end of piece U3 is electrically connected with, and the negative pole of described Zener diode D6 and one end of resistance R20 all drive core with first
The input electrical Vin end of piece U3 connects, and the voltage sample end SET end of described first driving chip U3 is another with resistance R20's
End is electrically connected with；Switch terminals SW all with the second driving chip U4 for the one end of the positive pole of described Zener diode D7 and inductance L5
End is electrically connected with, the negative pole of described Zener diode D7 and one end of the resistance R21 input Vin all with the second driving chip U4
It is electrically connected with, the voltage sample end SET end of described second driving chip U4 is electrically connected with the other end of resistance R21；Described steady
One end of the positive pole of pressure diode D8 and inductance L6 is all connected with the switch terminals electrical SW end of the 3rd driving chip U5, described voltage stabilizing
One end of the negative pole of diode D8 and resistance R22 is all electrically connected with the input Vin end of the 3rd driving chip U5, and the described 3rd
The voltage sample end SET end of driving chip U5 is electrically connected with the other end of resistance R22；The negative pole of described Zener diode D6,
One end of the negative pole of Zener diode D7, the negative pole of Zener diode D8 and resistance R20 is all electrical with one end of electric capacity C14
Connect, the ground terminal of the first driving chip U3, the ground terminal of the second driving chip U4, the ground terminal of the 3rd driving chip U4 and electric capacity
The other end of C14 is all grounded；The voltage sample end SET end of described first driving chip U3, the electricity of described second driving chip U4
Pressure sampling end SET end, the voltage sample end SET end of described 3rd driving chip U4, the other end of inductance L4, inductance L5 another
End, the other end of inductance L6 are all electrically connected with LED three-color light-emitting circuit.This module is exactly mainly to receive Bluetooth signal, and
Finally it is translated into 3 road signals to send out, DC voltage is converted into bluetooth radio module by three-terminal voltage-stabilizing pipe V1
The constant voltage of 3.3V, electric capacity C14 is shunt capacitance, and its value is 4.7uF.The signal of PWM LED drive circuit can flow to
In LED three-color light-emitting circuit, thus being controlled to illuminating circuit.Adjustment is carried out to color.Resistance R17 therein, resistance
R18, resistance R19 are the pull down resistor of three road pulse signals, and 3 groups of chips dim driving chip, wherein voltage stabilizing two for pulse signal
The fly-wheel diode acting as the driving chip that it is connected of pole pipe, resistance R20, resistance R21, resistance R22 are driving chip
Current sense resistor.
LED three-color light-emitting circuit, described LED three-color light-emitting circuit includes red light-emitting diode D9, blue light emitting
Diode D10, green light LED D11, the positive pole of described red light-emitting diode D9 connects the first driving chip U3's
Voltage sample end SET end, the negative pole of red light-emitting diode D9 connects the other end of inductance L4, described blue light-emitting diode
D10 positive pole connects the voltage sample end SET end of the first driving chip U4, and blue light emitting diode D10 negative pole connects inductance L5's
The other end, described green light LED D11 positive pole connects the voltage sample end SET end of the 3rd driving chip U5, and green glow is sent out
Light diode D11 negative pole connects the other end of inductance L6.Specifically, by the control of the ratio to three primary colours, theoretically may be used
To obtain any color that you want.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (10)
1. a kind of constant voltage power supply, including rectifier bridge BR1, transformator T1 it is characterised in that also include π type filter circuit,
RCD absorbing circuit, high efficiency off-line switch IC, the power supply circuits of high efficiency off-line switch IC, output filter, photo-coupler U2
And reference voltage source；
The input of described rectifier bridge BR1 and civil power electric connection, the outfan of described rectifier bridge BR1 and π type filter circuit
Input is electrically connected with, the input of described RCD absorbing circuit, the source electrode of high efficiency off-line switch IC and π type filter circuit
Outfan is electrically connected with, and the drain electrode that described RCD absorbing circuit outfan and high efficiency off-line switch IC is electrically connected with, described power supply
The multi-function terminal that the outfan of circuit and high efficiency off-line switch IC is electrically connected with, and described RCD absorbing circuit outfan connects institute
State first primary coil of transformator T1, the input of power supply circuits connects second primary coil of described transformator T1, described
The secondary coil of transformator T1 is connected with the input of output filter, the outfan of described output filter and reference voltage source
It is electrically connected with, the outfan of described reference voltage source is electrically connected with photo-coupler U2 input, and described photo-coupler U2's is defeated
Go out end and high efficiency off-line switchs the Enable Pin electric connection of IC.
2. constant voltage power supply as claimed in claim 1 is it is characterised in that described π type filter circuit includes inductance L1, inductance
L3, resistance R2, electric capacity C3, electric capacity C4, the outfan of described photo-coupler U2 includes emitter and collector, described resistance R2,
Inductance L1, one end of electric capacity C3 are all electrically connected with the outfan of described rectifier bridge BR1, described resistance R2, inductance L1 another
End is all electrically connected with one end of electric capacity C4, and the other end of described electric capacity C3, one end of inductance L3 are all with described rectifier bridge BR1's
Outfan is electrically connected with, and the other end of described inductance L3, the other end of electric capacity C4 all switch the source of IC with described high efficiency off-line
Pole is electrically connected with the emitter stage of audion of described photo-coupler U2, ground terminal.
3. constant voltage power supply as claimed in claim 2 is it is characterised in that described RCD absorbing circuit includes resistance R4, resistance
R5, electric capacity C7, diode D3, in described resistance R4, one end of electric capacity C7 and described π type filter circuit electric capacity C4, resistance R2 and
Inductance L1 connects to holding and is electrically connected with, and is electrically connected with one end of first primary coil of described transformator T1, described resistance
One end of R4, the other end of electric capacity C7 and resistance R5 is electrically connected with, and the other end of resistance R5 is electrically connected with the negative pole of diode D3
Connect, the drain electrode that the other end of the positive pole of diode D3 and first primary coil of transformator T1, high efficiency off-line switch IC is electrical
Connect.
4. constant voltage power supply as claimed in claim 3 is it is characterised in that described output filter includes resistance R1, electric capacity
C1, diode D2, electric capacity C5, inductance L2, electric capacity C6, one end of described resistance R1, the positive pole of diode D2 and described transformator
One end of the secondary coil of T1 is electrically connected with, and the other end of resistance R1 is electrically connected with one end of electric capacity C1, and electric capacity C1's is another
End, one end of inductance L2, negative pole electric connection, the other end of inductance L2 and electric capacity C6 all with diode D2 for the one end of electric capacity C5
It is electrically connected with, electric capacity C5, the other end of electric capacity C6 are all electrically connected with the other end of described transformator T1 secondary coil.
5. constant voltage power supply as claimed in claim 4 is it is characterised in that described power supply circuits include diode D4, electric capacity
C8, resistance R7, diode D5, resistance R9, electric capacity C8, electric capacity C10, resistance R9, electric capacity C11, the positive pole of described diode D4 with
One end of second primary coil of described transformator T1 is electrically connected with, and the negative pole of diode D4 is electrically connected with one end of resistance R7
Connect, one end of the other end of resistance R7 and electric capacity C8, one end of resistance R9, the negative pole of diode D5 are electrically connected with, resistance R9's
The other end, the positive pole of diode D5 are all connected with one end of electric capacity C10, electric capacity C11, and connection end and described high efficiency off-line
Switch IC multi-function terminal be electrically connected with, electric capacity C8, electric capacity C10, the other end of electric capacity C11 all with described transformator T1 second
The other end of primary coil is electrically connected with.
6. constant voltage power supply as claimed in claim 5 is it is characterised in that described reference voltage source includes resistance R13, resistance
R14, electric capacity C13, electric capacity C12, controllable silicon Q1, the input of described photo-coupler U2 includes negative electrode and anode, described resistance R13
The end that connects with electric capacity C1 in described output filter circuit and inductance L2 for the one end, the negative electrode of the diode of described photo-coupler U2
It is electrically connected with, one end of the other end of resistance R13 and electric capacity C12, one end of electric capacity C13, the anode of controllable silicon Q1, described optocoupler
The anode of the diode of clutch U2 is electrically connected with, and the other end of electric capacity C13 is electrically connected with resistance R14, the other end of resistance R14
It is electrically connected with the end that connects of inductance L2 in described output filter and electric capacity C6, the grid of controllable silicon Q1, electric capacity C12's is another
End is electrically connected with and is grounded with the negative electrode of controllable silicon Q1.
7. constant voltage power supply as claimed in claim 6 is it is characterised in that also include resistance R10 and resistance R11, resistance R10
The negative electrode of the diode of one end and photo-coupler U2 be electrically connected with, the other end of resistance R10 is electrical with the negative pole of diode D2
Connect, one end of resistance R11 is electrically connected with the grid of controllable silicon Q1, one end of the other end of resistance R11 and electric capacity C6, inductance
The other end of L2 is electrically connected with.
8. a kind of LED matrix of intelligent tunable optical toning is it is characterised in that include the perseverance as described in any one of claim 1-7
Pressure power supply, bluetooth radio module, PWM LED drive circuit and LED three-color light-emitting circuit, described bluetooth radio module
Dim signal according to a mobile terminal exports corresponding pulse signal to PWM LED drive circuit；Described PWM LED drives electricity
Road sends driving current according to the pulse signal from bluetooth radio module to LED three-color light-emitting circuit；Described constant voltage is powered
Power supply is used for powering to PWM LED drive circuit and bluetooth radio module.
9. the LED matrix of intelligent tunable optical toning as claimed in claim 8 is it is characterised in that the driving of described PWM LED is electric
Road includes electric capacity C14, electric capacity C15, three-terminal voltage-stabilizing pipe V1, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, electricity
Resistance R22, resistance R23, inductance L4, inductance L5, inductance L6, Zener diode D6, Zener diode D7, Zener diode D8, the
One driving chip U3, the second driving chip U4 and the 3rd driving chip U5；
The input of described three-terminal voltage-stabilizing pipe V1 and constant voltage power supply are electrically connected with, the outfan of described three-terminal voltage-stabilizing pipe V1 and
One end of electric capacity C14 is all electrically connected with the voltage input end of bluetooth module, the ground terminal of described three-terminal voltage-stabilizing pipe V1, electric capacity C14
The other end, the other end of electric capacity C15 and the ground terminal of bluetooth module be all grounded, the first output of pulse signal of described bluetooth module
End, the second pulse signal output end and the 3rd pulse signal output end are all electrically connected with PWM LED drive circuit；
The first pulse letter all with bluetooth module for first pulse input end of one end of described resistance R17 and the first driving chip U3
Number outfan is electrically connected with, second pulse signal input terminal of one end of described resistance R18 and the second driving chip U4 all with indigo plant
Second pulse signal output end of tooth module is electrically connected with, the 3rd pulse signal of described resistance R19 and the 3rd driving chip U5
Input is all electrically connected with the 3rd pulse signal output end of bluetooth module, described resistance R17, resistance R18, resistance R19
The other end is all grounded；
One end of the positive pole of described diode D6 and inductance L4 is all electrically connected with the switch terminals of the first driving chip U3, and described two
One end of the negative pole of pole pipe D6 and resistance R20 is all electrically connected with the input of the first driving chip U3, described first driving core
The voltage sample end of piece U3 is electrically connected with the other end of resistance R20；
One end of the positive pole of described diode D7 and inductance L5 is all electrically connected with the switch terminals of the second driving chip U4, and described two
One end of the negative pole of pole pipe D7 and resistance R21 is all electrically connected with the input of the second driving chip U4, described second driving core
The voltage sample end of piece U4 is electrically connected with the other end of resistance R21；
One end of the positive pole of described diode D8 and inductance L6 is all electrically connected with the switch terminals of the 3rd driving chip U5, and described two
One end of the negative pole of pole pipe D8 and resistance R22 is all electrically connected with the input of the 3rd driving chip U5, described 3rd driving core
The voltage sample end of piece U5 is electrically connected with the other end of resistance R22；
The negative pole of described diode D6, the negative pole of diode D7, the negative pole of diode D8 and resistance R20 one end all with electricity
The one end holding C14 is electrically connected with, the ground terminal of the first driving chip U3, the ground terminal of the second driving chip U4, the 3rd driving chip U4
Ground terminal and the other end of electric capacity C14 be all grounded；
The voltage sample end of described first driving chip U3, the voltage sample end of described second driving chip U4, described 3rd drive
The voltage sample end of dynamic chip U4, the other end of inductance L4, the other end of inductance L5, inductance L6 the other end all with LED tri- base
Color illuminating circuit is electrically connected with.
10. the LED matrix of intelligent tunable optical toning as claimed in claim 8 is it is characterised in that described LED three-color light-emitting
Circuit includes red light-emitting diode D9, blue light emitting diode D10, green light LED D11, described red light-emitting two
The positive pole of pole pipe D9 connects the voltage sample end of the first driving chip U3, and the negative pole of red light-emitting diode D9 connects inductance L4's
The other end, described blue light-emitting diode D10 positive pole connects the voltage sample end of the first driving chip U4, two grades of blue light emitting
Pipe D10 negative pole connects the other end of inductance L5, and described green light LED D11 positive pole connects the electricity of the 3rd driving chip U5
Pressure sampling end, green light emitting diode D11 negative pole connects the other end of inductance L6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655930.5U CN205961500U (en) | 2016-06-23 | 2016-06-23 | LED device that constant voltage power supply , intelligence can be adjusted luminance and mixed colours |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655930.5U CN205961500U (en) | 2016-06-23 | 2016-06-23 | LED device that constant voltage power supply , intelligence can be adjusted luminance and mixed colours |
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| CN205961500U true CN205961500U (en) | 2017-02-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750077A (en) * | 2017-11-26 | 2018-03-02 | 四川蓝景光电技术有限责任公司 | LED high-voltage alternating current intelligence control system and its implementation based on Bluetooth technology |
| WO2019037250A1 (en) * | 2017-08-25 | 2019-02-28 | 深圳佳比泰智能照明股份有限公司 | Dimming and color modulating filament lamp |
| 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 |
-
2016
- 2016-06-23 CN CN201620655930.5U patent/CN205961500U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037250A1 (en) * | 2017-08-25 | 2019-02-28 | 深圳佳比泰智能照明股份有限公司 | Dimming and color modulating filament lamp |
| CN107750077A (en) * | 2017-11-26 | 2018-03-02 | 四川蓝景光电技术有限责任公司 | LED high-voltage alternating current intelligence control system and its implementation based on Bluetooth technology |
| 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 |
| CN110049598B (en) * | 2019-05-08 | 2024-02-09 | 赣州市众恒光电科技有限公司 | Three-color temperature projection lamp circuit |
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