CN208337952U - A kind of linear constant current LED lamp circuit of intelligent control tunable optical - Google Patents
A kind of linear constant current LED lamp circuit of intelligent control tunable optical Download PDFInfo
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- CN208337952U CN208337952U CN201820891627.4U CN201820891627U CN208337952U CN 208337952 U CN208337952 U CN 208337952U CN 201820891627 U CN201820891627 U CN 201820891627U CN 208337952 U CN208337952 U CN 208337952U
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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
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Abstract
The utility model discloses a kind of linear constant current LED lamp circuits of intelligent control tunable optical, including AC to DC converter circuit, voltage conversion circuit, linear constant current circuit, wireless intelligent control module, first LED illuminating circuit, 2nd LED illuminating circuit and current dividing circuit, first LED illuminating circuit is low color temperature LED illuminating circuit, 2nd LED illuminating circuit is high color temperature LED illuminating circuit, wireless intelligent control module receives radio control signal, and corresponding pwm control signal is exported in its output end to control the output electric current of linear constant current circuit according to the radio control signal received, to control the first output end of electric current distribution electric current and the size of current and ratio of second output terminal；Advantage is when realizing biggish power, and lower to the voltage requirement of the first LED illuminating circuit and the 2nd LED illuminating circuit, cost is relatively low, and sexual valence is relatively high, compares and is suitble to most of production technology and cost requirement.
Description
Technical field
The utility model relates to a kind of linear constant current LED lamp circuits, more particularly, to a kind of line of intelligent control tunable optical
Property constant current LED lamp circuit.
Background technique
As the linear constant current LED lamp circuit of tunable optical is widely used, the design of linear constant current LED lamp circuit
Also more and more.In the linear constant current LED lamp circuit for there was only brightness change originally, the function that a color can also change is increased
Can, when linear constant current LED lamp circuit is brighter, luminescent color is whiter, and when linear constant current LED lamp circuit is darker,
Luminescent color is redder, makes the using effect of the linear constant current LED lamp circuit of tunable optical close to traditional incandescent lamp effect.In this way
The linear constant current LED lamp circuit of tunable optical increasingly liked by user.
The functional block diagram of the linear constant current LED lamp circuit of existing intelligent control tunable optical is as shown in Figure 1.The intelligent control
The linear constant current LED lamp circuit of tunable optical includes AC to DC converter circuit, voltage conversion circuit, linear constant current circuit, wireless intelligence
Energy control module, the first LED illuminating circuit and the 2nd LED illuminating circuit.AC to DC converter circuit has firewire input terminal, zero curve
Input, output end and ground terminal；Voltage conversion circuit has input, output end and ground terminal；Linear constant current circuit has
Input terminal, the first control terminal, the first output end, the second control terminal, second output terminal and ground terminal, the first of linear constant current circuit
The voltage signal of control terminal access is used to control the on-off of its first output end, the second control terminal access of linear constant current circuit
Voltage signal is used to control the on-off of its second output terminal；Wireless intelligent control module has input terminal, ground terminal, the first output
End and second output terminal, wireless intelligent control module receive radio control signal, and according to the radio control signal received
Different pwm control signals is exported in the first output end of device and second output terminal；First LED illuminating circuit and the 2nd LED shine
Circuit is respectively provided with positive input terminal and negative input end, and the luminescent color of the first LED illuminating circuit and the 2nd LED illuminating circuit is different
Sample, the first LED illuminating circuit are low color temperature LED illuminating circuit；2nd LED illuminating circuit is high color temperature LED illuminating circuit.First
The light emission luminance of LED illuminating circuit and the 2nd LED illuminating circuit can change with the size variation of its operating current, in electric current
When larger, light emission luminance is stronger, otherwise electric current is smaller, light emission luminance is weaker.The firewire of AC to DC converter circuit inputs termination
The firewire of alternating current, the zero curve of the zero curve input termination alternating current of AC to DC converter circuit, output end, the voltage of AC to DC converter circuit
The input terminal of translation circuit, the input terminal of linear constant current circuit, the first LED illuminating circuit positive input terminal and the second illuminating circuit
Positive input terminal connection, the output end of voltage conversion circuit connects with the input terminal of wireless intelligent control module, intelligent wireless control
First output end of molding block is connected with the first control terminal of linear constant current circuit, the second output terminal of wireless intelligent control module
It is connected with the second control terminal of linear constant current circuit, the first output end of linear constant current circuit and bearing for the first LED illuminating circuit
Output end connection, the second output terminal of linear constant current circuit are connected with the negative output terminal of the 2nd LED illuminating circuit, and exchange turns direct current
The ground terminal of circuit, the ground terminal of voltage conversion circuit, the ground terminal of wireless intelligent control module and connecing for linear constant current circuit
Ground terminal connection.
In above-mentioned linear constant current LED lamp circuit, when the first LED illuminating circuit and the sending of the 2nd LED illuminating circuit are different bright
When the light of degree, it can be combined into different luminescent colors, this luminescent color is between the first LED illuminating circuit and second
Any color between the individual luminescent color of LED illuminating circuit.It shines by adjusting the first LED illuminating circuit and the 2nd LED
The luminous strength ratio of circuit can change the luminescent color of linear constant current LED lamp circuit, that is to say, that the first LED of adjustment shines
The different proportion of the size of current of circuit and the 2nd LED illuminating circuit can control the luminescent color of LED light.The linear constant current
When LED lamp circuit works, it is higher than more gentle direct current that the alternating voltage of alternating current is converted to voltage change by AC to DC converter circuit
Voltage provides work electricity to the first LED illuminating circuit, the 2nd LED illuminating circuit, linear constant current circuit and voltage conversion circuit
DC high voltage is converted to DC low-voltage and powered to wireless intelligent control module by pressure, voltage conversion circuit.Intelligent wireless control
Molding block receives radio control signal, according to the radio control signal received in its first output end and second output terminal point
Different pwm control signals is not exported.The first control terminal and the second control terminal of linear constant current circuit receive intelligent wireless control
After the different pwm signals of molding block output, different size of electric current is exported in its first output end and second output terminal.By
This, linear constant current circuit adjusts the first LED illuminating circuit and the second illuminating circuit under the control of wireless intelligent control module
Operating current, by the different size of the electric current of the electric current and second output terminal of the first output end of linear adjustment constant-current circuit,
Keep the brightness of the first LED illuminating circuit different with the ratio of the brightness of the 2nd LED illuminating circuit, to make LED light linear constant current
The brightness change of LED lamp circuit and be in different luminescent colors.
But in existing linear constant current LED lamp circuit, the first LED illuminating circuit and the 2nd LED illuminating circuit it is just defeated
Enter end to link together, and the negative input end of the first LED illuminating circuit and the 2nd LED illuminating circuit is independently drawn, when need
When realizing biggish power, use is required as the first LED illuminating circuit of load and the voltage of the 2nd LED illuminating circuit
Relatively high voltage, the cost of the first LED illuminating circuit and the 2nd LED illuminating circuit can be higher at this time, thus leads to linear perseverance
The higher cost of LED lamp circuit is flowed, cost performance reduces.
Summary of the invention
The technical problem to be solved by the utility model is to provide one kind when realizing biggish power, and the first LED shines
Cost is relatively low for circuit and the 2nd LED illuminating circuit, and the cost of linear constant current LED lamp circuit is relatively low, cost performance higher one
The linear constant current LED lamp circuit of kind intelligent control tunable optical
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of intelligent control tunable optical is linear
Constant current LED lamp circuit, including AC to DC converter circuit, voltage conversion circuit, linear constant current circuit, wireless intelligent control module,
There is firewire input terminal, zero curve to input for first LED illuminating circuit and the 2nd LED illuminating circuit, the AC to DC converter circuit
End, output and ground, the voltage conversion circuit have input, output end and ground terminal, the first LED hair
Optical circuit and the 2nd LED illuminating circuit are respectively provided with positive input terminal and negative input end, the firewire of the AC to DC converter circuit
The firewire of input termination alternating current, the zero curve of the zero curve input termination alternating current of the AC to DC converter circuit, the first LED
Illuminating circuit is low color temperature LED illuminating circuit, and the 2nd LED illuminating circuit is high color temperature LED illuminating circuit, the line
Property constant-current circuit have input terminal, control terminal, output and ground, the wireless intelligent control module have input terminal,
Ground terminal and output end, the wireless intelligent control module receive radio control signal, and wireless electric-controlled according to what is received
Signal processed exports corresponding pwm control signal in its output end, and the linear constant current LED lamp circuit further includes electric current distribution electricity
Road, the current dividing circuit have input terminal, the first output end and second output terminal, the AC to DC converter circuit
Output end, the input terminal of the voltage conversion circuit, the input terminal of the linear constant current circuit and the first LED are sent out
The positive input terminal of optical circuit connects, the input of the output end of the voltage conversion circuit and the wireless intelligent control module
End connection, the output end of the wireless intelligent control module is connected with the control terminal of the linear constant current circuit, described
The output end of linear constant current circuit is connected with the input terminal of the current dividing circuit, and the first of the current dividing circuit
Output end, the first LED illuminating circuit negative input end connected with the positive input terminal of the 2nd LED illuminating circuit,
The second output terminal of the current dividing circuit is connected with the negative input end of the 2nd LED illuminating circuit, the friendship
The ground connection of the circulation ground terminal of DC circuit, the ground terminal of the voltage conversion circuit, the wireless intelligent control module
End is connected with the ground terminal of the linear constant current circuit.
The AC to DC converter circuit includes full bridge rectifier bridge heap and first capacitor, and the first capacitor is electrolysis electricity
Hold, the 1st foot of the full bridge rectifier bridge heap is the firewire input terminal of the AC to DC converter circuit, the full-bridge rectification
3rd foot of bridge heap is the zero curve input terminal of the AC to DC converter circuit, the 2nd foot of the full bridge rectifier bridge heap and described
First capacitor anode connection and its connecting pin be the AC to DC converter circuit output end, the full bridge rectifier bridge
4th foot of heap is connected with the cathode of the first capacitor and its connecting pin is the ground terminal of the AC to DC converter circuit.
The voltage conversion circuit include the switching power source chip of model BP8519C, first resistor, second resistance,
Second capacitor, third capacitor, first diode and the first inductance, the third capacitor be electrolytic capacitor, the described the 1st
Pole pipe is rectifier diode, and the 5th foot of the switching power source chip is the input terminal of the voltage conversion circuit, described
The anode of one end of first resistor, one end of first inductance and the third capacitor connects and its connecting pin is described
Voltage conversion circuit output end, the 1st foot of the switching power source chip connects with one end of second capacitor, institute
2nd foot of the switching power source chip stated, the other end of second capacitor, one end of the second resistance, described
The cathode of one diode is connected with the other end of first inductance, the 3rd foot of the switching power source chip, described
The other end of one resistance is connected with the other end of the second resistance, the anode of the first diode and the third
The cathode of capacitor connects and its connecting pin is the ground terminal of the voltage conversion circuit.The voltage conversion circuit uses small electricity
It flows direct-current switch power supply circuit arrangement and realizes that number of elements is few, and structure is simple, and cost is relatively low.
The linear constant current circuit include the first constant current chip of model SM2083E, 3rd resistor, the 4th resistance and
4th capacitor, the 4th capacitor are electrolytic capacitor, the anode of one end of the 3rd resistor and the 4th capacitor
Connection and its connecting pin are the input terminal of the linear constant current circuit, the 8th foot of first constant current chip and described
The cathode of 4th capacitor connects and its connecting pin is the output end of the linear constant current circuit, first constant current chip
4th foot is the control terminal of the linear constant current circuit, the 1st foot of first constant current chip and the 3rd resistor
Other end connection, the 5th foot of first constant current chip are connected with one end of the 4th resistance, first constant current
3rd foot of chip is connected with the other end of the 4th resistance and its connecting pin is the ground connection of the linear constant current circuit
End.For the linear constant current circuit using available digital control signal control output size of current, control process is simple.
The current dividing circuit includes the second constant current chip, the 5th resistance and the 6th resistance of model SM2082G,
1st foot of second constant current chip is the first output end of the current dividing circuit, second constant current chip
The 2nd foot connected with one end of the 6th resistance and its connecting pin be the current dividing circuit input terminal, it is described
The 3rd foot of the second constant current chip connected with one end of the 5th resistance, the other end of the 5th resistance and described
The 6th resistance the other end connection and its connecting pin be the current dividing circuit second output terminal.
Compared with prior art, the utility model has the advantage of be low color temperature LED by the first LED illuminating circuit of setting
Illuminating circuit, the 2nd LED illuminating circuit are high color temperature LED illuminating circuit, and linear constant current circuit has input terminal, control terminal, defeated
Outlet and ground terminal, wireless intelligent control module have input terminal, ground terminal and output end, and wireless intelligent control module receives nothing
Line electric control signal, and corresponding pwm control signal is exported in its output end according to the radio control signal received, it is linear permanent
Stream LED lamp circuit further includes current dividing circuit, and current dividing circuit has input terminal, the first output end and second output terminal,
The output end of AC to DC converter circuit, the input terminal of voltage conversion circuit, the input terminal of linear constant current circuit and the first LED shine
The positive input terminal of circuit connects, and the output end of voltage conversion circuit is connected with the input terminal of wireless intelligent control module, wireless intelligence
The output end of energy control module is connected with the control terminal of linear constant current circuit, and the output end and electric current of linear constant current circuit distribute electricity
The input terminal on road connects, the first output end of current dividing circuit, the negative input end of the first LED illuminating circuit and the 2nd LED hair
The positive input terminal of optical circuit connects, and the second output terminal of current dividing circuit is connected with the negative input end of the 2nd LED illuminating circuit,
The ground terminal of AC to DC converter circuit, the ground terminal of voltage conversion circuit, the ground terminal of wireless intelligent control module and linear perseverance
The ground terminal of current circuit connects, and be arranged in voltage distribution circuit has input current reference value in advance, and the first of voltage distribution circuit
Output end is provided with maximum current value, and wireless intelligent control module receives wireless control signal, then exports not in its output end
Same pwm control signal after the control terminal of linear constant current circuit receives different pwm signals, exports different in its output end
The average current of size, when the electric current of linear constant current circuit output is greater than preset input current ginseng in current dividing circuit
When examining value, the electric current of the first output end of current dividing circuit is zero, flows into the first LED illuminating circuit and the 2nd LED hair at this time
The electric current of optical circuit is equal, and the brightness of linear constant current LED lamp circuit changes, and color keep is constant；Work as linear constant current circuit
Output electric current when beginning to decrease to the input current reference value or less, the first output end of current dividing circuit begins with electric current
Output, and be gradually increased with the reduction of the output electric current of linear constant current circuit, at this point, flowing through the first LED illuminating circuit
Electric current be greater than and flow through the electric current of the 2nd LED illuminating circuit, the brightness of linear constant current LED lamp circuit is dimmed, and luminescent color is slowly
Ground reddens；When the output electric current of linear constant current circuit continues to reduce, the output electric current of the first output end of current dividing circuit
When increasing to the maximum current value of its first output end setting, the output current value of the first output end of current dividing circuit is no longer
Increase, at this time current dividing circuit input current reduce when, can linear constant current LED lamp circuit brightness it is dimmed, shine
Color constantly reddens color；When the input current of current dividing circuit continues to reduce, the input terminal electric current of current dividing circuit
Less than the setting of its first output end maximum current value when, the electric current of the input terminal of current dividing circuit is all first defeated through it
Outlet flows through, and the output electric current of the second output terminal of current dividing circuit is zero, and the first LED illuminating circuit shines at this time, the
Two LED illuminating circuits do not shine, and the color of linear constant current LED lamp circuit reaches most red, the brightness of linear constant current LED lamp circuit with
Size of current changes and changes, and color is constant；The linear constant current LED lamp circuit of the utility model is dimmed in entire brightness as a result,
Section can produce three kinds of effects: be greater than in the output electric current of linear constant current circuit preset defeated in current dividing circuit
When entering current reference value, brightness can only be adjusted, colour temperature keeps highest, cannot change color, in the output electricity of linear constant current circuit
When the maximum current value that the first output end that stream is less than current dividing circuit is set, colour temperature keeps minimum, can only also adjust
Brightness, when the maximum current value and defeated that the input current of linear constant current circuit is set between the first output end of current dividing circuit
When entering between current reference value, in the brightness of linear adjustment constant current LED lamp circuit, drop the brightness of linear constant current LED lamp circuit
When low, the color of linear constant current LED lamp circuit changes to low color temperature；The linear constant current LED lamp circuit of the utility model is being realized
Lower to the voltage requirement of the first LED illuminating circuit and the 2nd LED illuminating circuit when biggish power, cost is relatively low, sexual valence
It is relatively high, compare and is suitble to most of production technology and cost requirement.
Detailed description of the invention
Fig. 1 is the structural block diagram of the linear constant current LED lamp circuit of existing intelligent control tunable optical；
Fig. 2 is the structural block diagram of the linear constant current LED lamp circuit of the intelligent control tunable optical of the utility model；
Fig. 3 is the circuit diagram of the linear constant current LED lamp circuit of the intelligent control tunable optical of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one: as shown in Fig. 2, a kind of linear constant current LED lamp circuit of intelligent control tunable optical, including exchange turn straight
Current circuit, voltage conversion circuit, linear constant current circuit, wireless intelligent control module, the first LED illuminating circuit and the 2nd LED hair
Optical circuit, AC to DC converter circuit have firewire input terminal, zero curve input, output end and ground terminal, voltage conversion circuit tool
There are input, output end and ground terminal, the first LED illuminating circuit and the 2nd LED illuminating circuit are respectively provided with positive input terminal and bear
Input terminal, the firewire of the firewire input termination alternating current of AC to DC converter circuit, the zero curve input termination city of AC to DC converter circuit
The zero curve of electricity, the first LED illuminating circuit are low color temperature LED illuminating circuit, and the 2nd LED illuminating circuit is the luminous electricity of high color temperature LED
Road, linear constant current circuit have input terminal, control terminal, output and ground, and wireless intelligent control module has input terminal, connects
Ground terminal and output end, wireless intelligent control module receives radio control signal, and is existed according to the radio control signal received
Its output end exports corresponding pwm control signal, and linear constant current LED lamp circuit further includes current dividing circuit, electric current distribution electricity
Road has input terminal, the first output end and second output terminal, the input of the output end, voltage conversion circuit of AC to DC converter circuit
The positive input terminal connection at end, the input terminal of linear constant current circuit and the first LED illuminating circuit, the output end of voltage conversion circuit and
The input terminal of wireless intelligent control module connects, and the output end of wireless intelligent control module and the control terminal of linear constant current circuit connect
It connects, the output end of linear constant current circuit is connected with the input terminal of current dividing circuit, the first output end of current dividing circuit,
The positive input terminal connection of the negative input end and the 2nd LED illuminating circuit of one LED illuminating circuit, the second output of current dividing circuit
End is connected with the negative input end of the 2nd LED illuminating circuit, the ground connection of the ground terminal of AC to DC converter circuit, voltage conversion circuit
End, the ground terminal of wireless intelligent control module are connected with the ground terminal of linear constant current circuit.
Embodiment two: as shown in Figures 2 and 3, a kind of linear constant current LED lamp circuit of intelligent control tunable optical, including hand over
Circulate DC circuit, voltage conversion circuit, linear constant current circuit, wireless intelligent control module, the first LED illuminating circuit and second
LED illuminating circuit, AC to DC converter circuit have firewire input terminal, zero curve input, output end and ground terminal, voltage transformation electricity
Road has input, output end and ground terminal, and the first LED illuminating circuit and the 2nd LED illuminating circuit are respectively provided with positive input terminal
And negative input end, the firewire of the firewire input termination alternating current of AC to DC converter circuit, the zero curve input terminal of AC to DC converter circuit
The zero curve of alternating current is connect, the first LED illuminating circuit is low color temperature LED illuminating circuit, and the 2nd LED illuminating circuit is high color temperature LED hair
Optical circuit, linear constant current circuit have input terminal, control terminal, output and ground, and wireless intelligent control module has input
End, ground terminal and output end, wireless intelligent control module receives radio control signal, and is believed according to the radio control received
Number corresponding pwm control signal is exported in its output end, linear constant current LED lamp circuit further includes current dividing circuit, electric current point
With circuit there is input terminal, the first output end and second output terminal, the output end of AC to DC converter circuit, voltage conversion circuit
The positive input terminal of input terminal, the input terminal of linear constant current circuit and the first LED illuminating circuit connects, the output of voltage conversion circuit
End is connected with the input terminal of wireless intelligent control module, the output end of wireless intelligent control module and the control of linear constant current circuit
End connection, the output end of linear constant current circuit are connected with the input terminal of current dividing circuit, the first output of current dividing circuit
The positive input terminal connection at end, the negative input end of the first LED illuminating circuit and the 2nd LED illuminating circuit, the of current dividing circuit
The negative input end of two output ends and the 2nd LED illuminating circuit connection, the ground terminal of AC to DC converter circuit, voltage conversion circuit
Ground terminal, the ground terminal of wireless intelligent control module are connected with the ground terminal of linear constant current circuit.
In the present embodiment, AC to DC converter circuit includes full bridge rectifier bridge heap Db and first capacitor C1, and first capacitor C1 is
Electrolytic capacitor, the 1st foot of full bridge rectifier bridge heap Db are the firewire input terminal of AC to DC converter circuit, the of full bridge rectifier bridge heap Db
3 feet are the zero curve input terminal of AC to DC converter circuit, the anode connection of the 2nd foot of full bridge rectifier bridge heap Db and first capacitor C1 and
Its connecting pin is the output end of AC to DC converter circuit, and the 4th foot of full bridge rectifier bridge heap Db is connected with the cathode of first capacitor C1
And its connecting pin is the ground terminal of AC to DC converter circuit.
In the present embodiment, voltage conversion circuit include the switching power source chip U1 of model BP8519C, first resistor R1,
Second resistance R2, the second capacitor C2, third capacitor C3, first diode D1 and the first inductance L1, third capacitor C3 are electrolysis electricity
Holding, first diode D1 is rectifier diode, and the 5th foot of switching power source chip U1 is the input terminal of voltage conversion circuit, first
The anode of one end of resistance R1, one end of the first inductance L1 and third capacitor C3 connects and its connecting pin is voltage conversion circuit
Output end, one end connection of the 1st foot and the second capacitor C2 of switching power source chip U1, the 2nd foot of switching power source chip U1, second
The other end connection of the other end of capacitor C2, one end of second resistance R2, the cathode of first diode D1 and the first inductance L1, is opened
The 3rd foot of powered-down source chip U1, the other end of first resistor R1 are connected with the other end of second resistance R2, first diode D1's
Anode is connected with the cathode of third capacitor C3 and its connecting pin is the ground terminal of voltage conversion circuit.,
In the present embodiment, linear constant current circuit include the first constant current chip U2 of model SM2083E, 3rd resistor R3,
4th resistance R4 and the 4th capacitor C4, the 4th capacitor C4 are electrolytic capacitor, and one end of 3rd resistor R3 and the 4th capacitor C4 are just
Pole connection and its connecting pin are the input terminal of linear constant current circuit, the 8th foot of the first constant current chip U2 and bearing for the 4th capacitor C4
Pole connection and its connecting pin are the output end of linear constant current circuit, and the 4th foot of the first constant current chip U2 is linear constant current circuit
1st foot of control terminal, the first constant current chip U2 is connected with the other end of 3rd resistor R3, the 5th foot of the first constant current chip U2 and
One end of 4th resistance R4 connects, the other end connection of the 3rd foot and the 4th resistance R4 of the first constant current chip U2 and its connecting pin
For the ground terminal of linear constant current circuit.
In the present embodiment, current dividing circuit include model SM2082G the second constant current chip U3, the 5th resistance R5 and
The 1st foot of 6th resistance R6, the second constant current chip U3 are the first output end of current dividing circuit, the of the second constant current chip U3
One end of 2 feet and the 6th resistance R6 connection and its connecting pin be current dividing circuit input terminal, the 3rd of the second constant current chip U3 the
The other end connection of the connection of one end of foot and the 5th resistance R5, the other end of the 5th resistance R5 and the 6th resistance R6 and its connecting pin
For the second output terminal of current dividing circuit.
In the present embodiment, wireless intelligent control module uses the matured product of its technical field.
Claims (5)
1. a kind of linear constant current LED lamp circuit of intelligent control tunable optical, including AC to DC converter circuit, voltage conversion circuit,
Linear constant current circuit, wireless intelligent control module, the first LED illuminating circuit and the 2nd LED illuminating circuit, the exchange turn straight
Current circuit have firewire input terminal, zero curve input, output end and ground terminal, the voltage conversion circuit have input terminal,
Output and ground, the first LED illuminating circuit and the 2nd LED illuminating circuit are respectively provided with positive input terminal and negative input
End, the firewire of the firewire input termination alternating current of the AC to DC converter circuit, the zero curve of the AC to DC converter circuit are defeated
Entering to terminate the zero curve of alternating current, it is characterised in that the first LED illuminating circuit is low color temperature LED illuminating circuit, described the
Two LED illuminating circuits be high color temperature LED illuminating circuit, the linear constant current circuit have input terminal, control terminal, output end and
Ground terminal, the wireless intelligent control module have input terminal, ground terminal and output end, the wireless intelligent control module
Radio control signal is received, and corresponding pwm control signal is exported in its output end according to the radio control signal received,
The linear constant current LED lamp circuit further includes current dividing circuit, and the current dividing circuit has input terminal, first defeated
Outlet and second output terminal, the input terminal, described of the output end of the AC to DC converter circuit, the voltage conversion circuit
The input terminal of linear constant current circuit connected with the positive input terminal of the first LED illuminating circuit, the voltage transformation electricity
The output end on road is connected with the input terminal of the wireless intelligent control module, the output end of the wireless intelligent control module
It is connected with the control terminal of the linear constant current circuit, the output end of the linear constant current circuit and electric current distribution electricity
The input terminal on road connects, the negative input end of the first output end of the current dividing circuit, the first LED illuminating circuit
It is connected with the positive input terminal of the 2nd LED illuminating circuit, the second output terminal of the current dividing circuit and described
The negative input end of 2nd LED illuminating circuit connects, the ground terminal of the AC to DC converter circuit, the voltage conversion circuit
Ground terminal, the wireless intelligent control module ground terminal connected with the ground terminal of the linear constant current circuit.
2. a kind of linear constant current LED lamp circuit of intelligent control tunable optical according to claim 1, it is characterised in that described
AC to DC converter circuit include full bridge rectifier bridge heap and first capacitor, the first capacitor is electrolytic capacitor, and described is complete
1st foot of bridge rectifier bridge stack is the firewire input terminal of the AC to DC converter circuit, the 3rd foot of the full bridge rectifier bridge heap
For the zero curve input terminal of the AC to DC converter circuit, the 2nd foot of the full bridge rectifier bridge heap and the first capacitor
Anode connection and its connecting pin be the AC to DC converter circuit output end, the 4th foot of the full bridge rectifier bridge heap
It is connected with the cathode of the first capacitor and its connecting pin is the ground terminal of the AC to DC converter circuit.
3. a kind of linear constant current LED lamp circuit of intelligent control tunable optical according to claim 1, it is characterised in that described
Voltage conversion circuit include model BP8519C switching power source chip, first resistor, second resistance, the second capacitor, third
Capacitor, first diode and the first inductance, the third capacitor are electrolytic capacitor, and the first diode is two poles of rectification
Pipe, the 5th foot of the switching power source chip are the input terminal of the voltage conversion circuit, the one of the first resistor
The anode at end, one end of first inductance and the third capacitor connects and its connecting pin is the voltage transformation electricity
1st foot of the output end on road, the switching power source chip is connected with one end of second capacitor, the Switching Power Supply
2nd foot of chip, the other end of second capacitor, one end of the second resistance, the first diode it is negative
Pole is connected with the other end of first inductance, the 3rd foot of the switching power source chip, the first resistor it is another
End is connected with the other end of the second resistance, and the anode of the first diode and the cathode of the third capacitor connect
It connects and its connecting pin is the ground terminal of the voltage conversion circuit.
4. a kind of linear constant current LED lamp circuit of intelligent control tunable optical according to claim 1, it is characterised in that described
Linear constant current circuit include model SM2083E the first constant current chip, 3rd resistor, the 4th resistance and the 4th capacitor, institute
The 4th capacitor stated is electrolytic capacitor, the anode connection and its connection of one end of the 3rd resistor and the 4th capacitor
End is the input terminal of the linear constant current circuit, the 8th foot of first constant current chip and bearing for the 4th capacitor
Pole connection and its connecting pin are the output end of the linear constant current circuit, and the 4th foot of first constant current chip is described
Linear constant current circuit control terminal, the 1st foot of first constant current chip connects with the other end of the 3rd resistor,
5th foot of first constant current chip is connected with one end of the 4th resistance, the 3rd foot of first constant current chip
It is connected with the other end of the 4th resistance and its connecting pin is the ground terminal of the linear constant current circuit.
5. a kind of linear constant current LED lamp circuit of intelligent control tunable optical according to claim 1, it is characterised in that described
Current dividing circuit include model SM2082G the second constant current chip, the 5th resistance and the 6th resistance, described second is permanent
The 1st foot for flowing chip is the first output end of the current dividing circuit, the 2nd foot of second constant current chip and described
The 6th resistance one end connection and its connecting pin be the current dividing circuit input terminal, second constant current chip
The 3rd foot connected with one end of the 5th resistance, the other end of the 5th resistance and the 6th resistance it is another
One end connection and its connecting pin are the second output terminal of the current dividing circuit.
Priority Applications (1)
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| CN201820891627.4U CN208337952U (en) | 2018-06-08 | 2018-06-08 | A kind of linear constant current LED lamp circuit of intelligent control tunable optical |
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| CN201820891627.4U CN208337952U (en) | 2018-06-08 | 2018-06-08 | A kind of linear constant current LED lamp circuit of intelligent control tunable optical |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729620A (en) * | 2019-01-07 | 2019-05-07 | 李悦荣 | A kind of LED device of automatic identification output |
| WO2023185426A1 (en) * | 2022-04-01 | 2023-10-05 | 佛山市威得士灯饰电器有限公司 | Led driving circuit |
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2018
- 2018-06-08 CN CN201820891627.4U patent/CN208337952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729620A (en) * | 2019-01-07 | 2019-05-07 | 李悦荣 | A kind of LED device of automatic identification output |
| WO2023185426A1 (en) * | 2022-04-01 | 2023-10-05 | 佛山市威得士灯饰电器有限公司 | Led driving circuit |
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Effective date of registration: 20200310 Address after: 322009 NO.901, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Harmony Mingxin (Yiwu) Photoelectric Technology Co., Ltd Address before: 312071 Zhejiang province Shaoxing Paojiang Industrial Zone No. 308 North Road in the robe Patentee before: Xinhe (Shaoxing) Green Lighting Co., Ltd. |