CN104981048B - Light emitting diode driving system with carrier wave signal control - Google Patents
Light emitting diode driving system with carrier wave signal control Download PDFInfo
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- CN104981048B CN104981048B CN201410148110.2A CN201410148110A CN104981048B CN 104981048 B CN104981048 B CN 104981048B CN 201410148110 A CN201410148110 A CN 201410148110A CN 104981048 B CN104981048 B CN 104981048B
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Abstract
The invention discloses a light emitting diode driving system with carrier wave signal control. A rectifier rectifies an AC power supply so as to obtain a DC power supply; the rectifier transmits the DC power supply to a driving power supply and carrier wave signal generation apparatus; the driving power supply and carrier wave signal generation apparatus generates a driving power supply; and the driving power supply and carrier wave signal generation apparatus transmits the driving power supply to more than one light emitting diode driving device via one transmission line so as to drive more than one light emitting diode. The driving power supply and carrier wave signal generation apparatus generates carrier wave signals; the driving power supply and carrier wave signal generation apparatus transmits the carrier wave signals to these light emitting diode driving devices via the transmission line; and by means of these carrier wave signals, these light emitting diode driving devices drive these light emitting diodes.
Description
Technical field
The present invention is related to a kind of LED drive system, and particularly a kind of with carrier signal control luminous two
Pole pipe drive system.
Background technology
At present LED string light module can generally be divided into tandem and parallel two kinds of mode of connection, and both
The LED string light module of mode also extensively by user is used in building outward appearance, trees, signboard and makes on scenery, to increase
The outward appearance of the things such as this is beautiful.
And be to connect multigroup LED string light module series connection in known in-line LED string light module
Be connected together, and the serial number of LED string light module be according to coiling object volume size depending on, and string
Light emitting diode after connection by the controller of first LED string light module to all of LED string light module
Lamp group is controlled.
Although this kind of in-line mode of connection makes LED string light module be easy to be used in series, and is using
During, as long as have one group of LED string light module failure, control signal will be caused to transmit, cause this group of failure
The LED string light module of back segment of LED string light module do not receive any control signal, cause back segment
LED string light module all cannot be lit.
In addition, being by multigroup LED string light module and the control in parallel LED string light module
Device parallel connections, each LED string light module will have a control line and addressed line to control.If in parallel 10
During the LED string light module of group, the controller just must be controlled 10 groups using 10 control lines and 10 addressed lines and be sent out
Optical diode string light module.
It is this kind of it is parallel when in use, when having one group of LED string light module to break down, will not impact it
The control of its LED string light module.But, when LED string light module quantity in parallel is more, relation control line
And addressed line is more, the complexity of circuit is caused, be difficult to make, and high cost.
But whether tandem or parallel mode of connection, it is both needed to be reached using most power line or holding wire
Into the purpose for making LED string light module variations in light.And in the case where the rise of raw material now is increasingly serious, can
Reducing the use of transmission line can just greatly reduce cost.
The content of the invention
To improve the shortcoming of above-mentioned known technology, it is an object of the invention to provide a kind of sending out with carrier signal control
Optical diode drive system.
To reach the above-mentioned purpose of the present invention, the LED drive system with carrier signal control of the present invention is
A rectifier and more than one light emitting diode are applied to, the improved light-emitting diode drive system is included：One drives electricity
Source and carrier signal generation device, the driving power supply is electrically connected to the rectifier with carrier signal generation device；One transmission line,
The transmission line is electrically connected to the driving power supply and carrier signal generation device；And more than one light emitting diode drives dress
Put, these light emitting diode drive devices electrically connect respectively the driving power supply and carrier signal generation device by the transmission line
And these light emitting diodes.Wherein the light emitting diode drive device is included：Power positive end point, the power positive end point electrically connects
It is connected to the driving power supply and carrier signal generation device；One voltage adjuster, the voltage adjuster is being electrically connected to the power supply just
End points；Power supply negative terminal point, the power supply negative terminal point is electrically connected to the voltage adjuster；One signal detection device, the signal detection
Device is electrically connected to the power positive end point；One identification control logic circuit, the identification control logic circuit is electrically connected to the electricity
Pressure adjuster, the power supply negative terminal point and the signal detection device；One counting and displacement buffer circuit, the counting and displacement buffer circuit
It is electrically connected to the voltage adjuster, the power supply negative terminal point and the identification control logic circuit；One variations in light control circuit, should
Variations in light control circuit is electrically connected to the voltage adjuster, the power supply negative terminal point and the counting and displacement buffer circuit；One
Comparison circuit, the comparison circuit is electrically connected to the identification control logic circuit；One address scrambler, the address scrambler is electrical
It is connected to the comparison circuit；And an Address Register, the Address Register is electrically connected to the identification control logic circuit.Wherein
The rectifier is to an AC power rectification obtaining a dc source；The rectifier transmit the dc source to the driving power supply with
Carrier signal generation device；The driving power supply produces a driving power supply with carrier signal generation device；The driving power supply and carrier wave
Signal generation device transmits the driving power supply to those light emitting diode drive devices via the transmission line, to drive those to light
Diode；Wherein the driving power supply produces a carrier signal with carrier signal generation device；The driving power supply is produced with carrier signal
Generating apparatus transmit the carrier signal to those light emitting diode drive devices via the transmission line；By those carrier signals, should
A little light emitting diode drive devices drive those light emitting diodes.
Effect of the present invention is to make light emitting diode reduce the use of transmission line to reduce the cost of LED light lamp.
Description of the drawings
Fig. 1 is the LED drive system block diagram with carrier signal control of the present invention.
Fig. 2 is the first embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 3 is the second embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 4 is the 3rd embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 5 is the fourth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 6 is the fiveth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 7 is the sixth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 8 is the seventh embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Fig. 9 is the eightth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Figure 10 is the nineth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Figure 11 is the tenth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Figure 12 is those light emitting diode drive devices of the invention embodiment block diagram used in parallel.
Figure 13 is the embodiment block diagram that those light emitting diode drive devices of the present invention are used in series.
Figure 14 is the encapsulating structure perspective view of the present invention.
Figure 15 is another encapsulating structure perspective view of the present invention.
Figure 16 is the first embodiment oscillogram of the carrier signal of the present invention.
Figure 17 is the 3rd embodiment oscillogram of the carrier signal of the present invention.
Figure 18 is the ten one embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
Figure 19 is the second embodiment oscillogram of the carrier signal of the present invention.
Figure 20 is the fourth embodiment oscillogram of the carrier signal of the present invention.
Description of reference numerals
LED drive system 10 with carrier signal control
Rectifier 20
AC power 22
Dc source 24
Light emitting diode 30
AC power feeding mechanism 40
Encapsulating structure 50
First support 502
First platform 504
Second support 506
Second platform 508
Packaging body 510
Driving power supply and carrier signal generation device 102
Light emitting diode drive device 104
Transmission line 106
Control integrated circuit 10202
The first transistor 10204
Transistor seconds 10206
First electric capacity 10208
First diode 10210
Second electric capacity 10212
First resistor 10214
Second resistance 10216
3rd resistor 10218
Zener diode 10220
3rd electric capacity 10222
4th resistance 10224
5th resistance 10226
6th resistance 10228
7th resistance 10230
Driving power supply 10232
Carrier signal 10234
Second diode 10236
Third transistor 10238
Power positive end point 10402
Voltage adjuster 10404
Power supply negative terminal point 10406
Signal detection device 10408
Identification control logic circuit 10410
Variations in light control circuit 10412
Oscillator 10414
Driving current control circuit 10416
Driving current output circuit 10418
Count and displacement buffer circuit 10420
Comparison circuit 10422
Address scrambler 10424
Address Register 10426.
Specific embodiment
Fig. 1 is refer to, it is the LED drive system block diagram with carrier signal control of the present invention.One tool
There is the LED drive system 10 that carrier signal is controlled to be to be applied to a rectifier 20（In communication environment or DC environment
Under）And more than one light emitting diode 30.The LED drive system 10 should with carrier signal control drives comprising one
Dynamic power supply and carrier signal generation device 102, a transmission line 106 and more than one light emitting diode drive device 104.This is whole
Stream device 20 is integrated into a power supply unit with the driving power supply and carrier signal generation device 102.
The driving power supply is electrically connected to the rectifier 20 with carrier signal generation device 102；The transmission line 106 electrically connects
It is connected to the driving power supply and carrier signal generation device 102；Those light emitting diode drive devices 104 electrically pass through the transmission line
106 connect respectively the driving power supply with carrier signal generation device 102 and those light emitting diodes 30.
20 pairs of AC powers 22 of the rectifier（Send from an AC power feeding mechanism 40）Rectification is obtaining a direct current
Power supply 24；The rectifier 20 transmits the dc source 24 to the driving power supply and carrier signal generation device 102；The driving power supply
A driving power supply 10232 is produced with carrier signal generation device 102；The driving power supply and carrier signal generation device 102 via
The transmission line 106 transmits the driving power supply 10232 to those light emitting diode drive devices 104, to drive those light-emitting diodes
Pipe 30.
The driving power supply produces a carrier signal 10234 with carrier signal generation device 102；The driving power supply is believed with carrier wave
Number generation device 102 transmits the carrier signal 10234 to those light emitting diode drive devices 104 via the transmission line 106；Borrow
By those carrier signals 10234, those light emitting diode drive devices 104 drive those light emitting diodes 30.
The carrier signal 10234 can be for example but be not limited to a pulse wave, and the magnitude of voltage of the pulse wave can be positive or negative.Should
Transmission line 106 is while transporting the driving power supply 10232 and the carrier signal 10234, therefore reduce the use of transmission line simultaneously
Reduce the cost of LED light lamp.
The light emitting diode drive device 104 includes a power positive end point 10402, a voltage adjuster 10404, a power supply
Negative terminal 10406, the identification control logic circuit 10410 of a signal detection device 10408, a variations in light control circuit
10412nd, an oscillator 10414, a driving current control circuit 10416, more than one driving current output circuit 10418,
One counts and displacement buffer circuit 10420, a comparison circuit 10422, an address scrambler 10424 and an Address Register
10426。
The power positive end point 10402 is electrically connected to the driving power supply and carrier signal generation device 102；The Voltage Cortrol
Device 10404 is electrically connected to the power positive end point 10402；The power supply negative terminal point 10406 is electrically connected to the voltage adjuster
10404；The signal detection device 10408 is electrically connected to the power positive end point 10402；The identification control logic circuit 10410 is electric
Property is connected to the voltage adjuster 10404, the power supply negative terminal point 10406 and the signal detection device 10408；The variations in light control
Circuit 10412 is electrically connected to the voltage adjuster 10404, the power supply negative terminal point 10406 and the counting and displacement buffer circuit
10420。
The counting is electrically connected to the voltage adjuster 10404, the power supply negative terminal point with displacement buffer circuit 10420
10406 and the identification control logic circuit 10410；The comparison circuit 10422 is electrically connected to the identification control logic circuit
10410；The address scrambler 10424 is electrically connected to the comparison circuit 10422；The Address Register 10426 is electrically connected to
The identification control logic circuit 10410.
The oscillator 10414 is electrically connected to the voltage adjuster 10404, the power supply negative terminal point 10406, the identification control
Logic circuit 10410 and the variations in light control circuit 10412；The driving current control circuit 10416 is electrically connected to the electricity
Pressure adjuster 10404, the power supply negative terminal point 10406 and the variations in light control circuit 10412；Those driving current output circuits
10418 are electrically connected to the driving current control circuit 10416 and those light emitting diodes 30.
The signal detection device 10408 is to detect the carrier signal 10234 to notify the identification control logic circuit
10410；Then, the identification control logic circuit 10410, the comparison circuit 10422, the address scrambler 10424 and the address
Buffer 10426 carries out the control process in some circuit logics and notifies to be somebody's turn to do by the counting and displacement buffer circuit 10420
Variations in light control circuit 10412；The variations in light control circuit 10412 is to determine the luminous change of those light emitting diodes 30
Change and notify the driving current control circuit 10416；Finally, to control the driving current defeated for the driving current control circuit 10416
Go out circuit 10418 to drive those light emitting diodes 30.
Fig. 2 is refer to, it is the first embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
The electric capacity 10208 of transistor 10206 and 1 first.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20, the power positive end point 10402 and the control integrated circuit 10202；The transistor seconds 10206 is electrically connected to this
Rectifier 20, the power positive end point 10402 and the control integrated circuit 10202；First electric capacity 10208 be electrically connected to this
One transistor 10204, the transistor seconds 10206 and the power positive end point 10402.
Fig. 3 is refer to, it is the second embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
Transistor 10206, one first electric capacity 10208, one first diode 10210 and one second electric capacity 10212.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；The transistor seconds 10206 is electrically connected to the control integrated circuit 10202
And the first transistor 10204；First electric capacity 10208 is electrically connected to the rectifier 20 and the control integrated circuit 10202；
First diode 10210 is electrically connected to the rectifier 20, the power positive end point 10402 and the control integrated circuit 10202；
Second electric capacity 10212 is electrically connected to first diode 10210 and the power positive end point 10402.
Fig. 4 is refer to, it is the 3rd embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
Transistor 10206, one first electric capacity 10208, one second electric capacity 10212 and a first resistor 10214.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；The transistor seconds 10206 is electrically connected to the control integrated circuit 10202
And the first transistor 10204；First electric capacity 10208 is electrically connected to the rectifier 20 and the control integrated circuit 10202；
Second electric capacity 10212 is electrically connected to the first transistor 10204 and the power positive end point 10402；The first resistor 10214
It is electrically connected to the first transistor 10204 and the power positive end point 10402.
Fig. 5 is refer to, it is the fourth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
Transistor 10206, one first electric capacity 10208, one first diode 10210, one second electric capacity 10212 and a first resistor
10214th, a second resistance 10216 and a 3rd resistor 10218.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；First electric capacity 10208 is electrically connected to the rectifier 20 and the control is integrated
Circuit 10202；It is integrated that first diode 10210 is electrically connected to the rectifier 20, the power positive end point 10402 and the control
Circuit 10202；Second electric capacity 10212 is electrically connected to first diode 10210 and the power positive end point 10402；This
Two-transistor 10206 is electrically connected to second electric capacity 10212；The first resistor 10214 be electrically connected to the rectifier 20 and
The control integrated circuit 10202；The second resistance 10216 is electrically connected to the control integrated circuit 10202, the first resistor
10214 and the first transistor 10204；The 3rd resistor 10218 be electrically connected to the control integrated circuit 10202 and this second
Transistor 10206.
Fig. 6 is refer to, it is the fiveth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one first
Electric capacity 10208, one first diode 10210, one second electric capacity 10212, a first resistor 10214, a second resistance 10216 and
One 3rd resistor 10218.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；First electric capacity 10208 is electrically connected to the rectifier 20 and the control is integrated
Circuit 10202；It is integrated that first diode 10210 is electrically connected to the rectifier 20, the power positive end point 10402 and the control
Circuit 10202；Second electric capacity 10212 is electrically connected to first diode 10210 and the power positive end point 10402；This
One resistance 10214 is electrically connected to the rectifier 20 and the control integrated circuit 10202；The second resistance 10216 is electrically connected with
To the control integrated circuit 10202, the first resistor 10214 and the first transistor 10204；The 3rd resistor 10218 is electrical
It is connected to second electric capacity 10212.
Fig. 7 is refer to, it is the sixth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one first
Electric capacity 10208, one first diode 10210, one second electric capacity 10212, a first resistor 10214, a second resistance 10216,
One 3rd resistor 10218, the electric capacity 10222 of Zener diode 10220 and the 3rd.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；First electric capacity 10208 is electrically connected to the rectifier 20 and the control is integrated
Circuit 10202；It is integrated that first diode 10210 is electrically connected to the rectifier 20, the power positive end point 10402 and the control
Circuit 10202；Second electric capacity 10212 is electrically connected to first diode 10210 and the power positive end point 10402；This
One resistance 10214 is electrically connected to first electric capacity 10208 and the control integrated circuit 10202；The second resistance 10216 is electrical
It is connected to the control integrated circuit 10202 and the first transistor 10204；The 3rd resistor 10218 be electrically connected to this second
Electric capacity 10212；The Zener diode 10220 is electrically connected to the control integrated circuit 10202, first electric capacity 10208 and is somebody's turn to do
First resistor 10214；3rd electric capacity 10222 is electrically connected to the rectifier 20 and the control integrated circuit 10202.
Fig. 8 is refer to, it is the seventh embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
Transistor 10206, one first electric capacity 10208, one second electric capacity 10212, a first resistor 10214, a second resistance 10216,
One 3rd resistor 10218, Zener diode 10220, one the 3rd electric capacity 10222, one the 4th resistance 10224, one the 5th resistance
10226th, one the 6th resistance 10228, one the 7th resistance 10230 and a third transistor 10238.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20 and the control integrated circuit 10202；First electric capacity 10208 is electrically connected to the rectifier 20 and the control is integrated
Circuit 10202；Second electric capacity 10212 is electrically connected to the first transistor 10204 and the power positive end point 10402；This
One resistance 10214 is electrically connected to first electric capacity 10208 and the control integrated circuit 10202；The second resistance 10216 is electrical
It is connected to the control integrated circuit 10202 and the first transistor 10204；The 3rd resistor 10218 is electrically connected to the control
Integrated circuit 10202；The Zener diode 10220 is electrically connected to the control integrated circuit 10202, first electric capacity 10208
And the first resistor 10214；3rd electric capacity 10222 is electrically connected to the rectifier 20 and the control integrated circuit 10202；Should
Transistor seconds 10206 is electrically connected to the first transistor 10204；It is second brilliant that 4th resistance 10224 is electrically connected to this
Body pipe 10206；5th resistance 10226 is electrically connected to the 4th resistance 10224；6th resistance 10228 is electrically connected to
The first transistor 10204 and the power positive end point 10402；7th resistance 10230 is electrically connected to the 6th resistance
10228；The third transistor 10238 is electrically connected to the 4th resistance 10224, the 5th resistance 10226 and second electric capacity
10212。
Fig. 9 is refer to, it is the eightth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.Should
Driving power supply is with carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204, one second
Transistor 10206, one first electric capacity 10208, one second electric capacity 10212, a first resistor 10214, a second resistance 10216,
One 3rd resistor 10218, Zener diode 10220, one the 3rd electric capacity 10222, one the 4th resistance 10224, one the 5th resistance
10226th, one the 6th resistance 10228, one the 7th resistance 10230 and a third transistor 10238.
The first resistor 10214 is electrically connected to the rectifier 20；The control integrated circuit 10202 be electrically connected to this
One resistance 10214；The first transistor 10204 is electrically connected to the rectifier 20 and the first resistor 10214；First electric capacity
10208 are electrically connected to the first resistor 10214；Second electric capacity 10212 is electrically connected to the first transistor 10204 and is somebody's turn to do
Power positive end point 10402；The second resistance 10216 is electrically connected to the control integrated circuit 10202；The 3rd resistor 10218
It is electrically connected to the control integrated circuit 10202；The Zener diode 10220 is electrically connected to the first resistor 10214；This
Three electric capacity 10222 are electrically connected to the rectifier 20 and the first resistor 10214；The transistor seconds 10206 is electrically connected to
The second resistance 10216；4th resistance 10224 is electrically connected to the first transistor 10204；5th resistance 10226 is electric
Property is connected to the 4th resistance 10224, the first transistor 10204 and the transistor seconds 10206；6th resistance 10228
It is electrically connected to the first transistor 10204 and the power positive end point 10402；7th resistance 10230 be electrically connected to this
Six resistance 10228；The third transistor 10238 is electrically connected to the 3rd resistor 10218 and second electric capacity 10212.
Figure 10 is refer to, it is the nineth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
The driving power supply and carrier signal generation device 102 include a control integrated circuit 10202, a first transistor 10204,1 the
Two-transistor 10206, one first electric capacity 10208, one second electric capacity 10212, a first resistor 10214, a second resistance
10216th, a 3rd resistor 10218, the resistance 10224,1 of the 3rd electric capacity 10222,1 of Zener diode 10220, the 4th
Five resistance 10226, one the 6th resistance 10228, one the 7th resistance 10230 and a third transistor 10238.
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first resistor 10214 is electrically connected to the control
Integrated circuit processed 10202；The first transistor 10204 is electrically connected to the first resistor 10214 and the power positive end point
10402；First electric capacity 10208 is electrically connected to the control integrated circuit 10202；Second electric capacity 10212 is electrically connected to
The first transistor 10204 and the power positive end point 10402；The second resistance 10216 is electrically connected to the control integrated circuit
10202；The 3rd resistor 10218 is electrically connected to the first resistor 10214；The Zener diode 10220 is electrically connected to this
Control integrated circuit 10202 and the first transistor 10204；3rd electric capacity 10222 is electrically connected to the Zener diode
10220；The transistor seconds 10206 is electrically connected to the second resistance 10216；4th resistance 10224 is electrically connected to this
Second resistance 10216；5th resistance 10226 is electrically connected to the transistor seconds 10206；6th resistance 10228 is electrical
It is connected to the first transistor 10204 and the power positive end point 10402；It is electric that 7th resistance 10230 is electrically connected to the 6th
Resistance 10228；The third transistor 10238 is electrically connected to second electric capacity 10212.
Figure 11 is refer to, it is the tenth embodiment block diagram of the driving power supply with carrier signal generation device of the present invention.
The driving power supply and carrier signal generation device 102 include a control integrated circuit 10202, a first transistor 10204,1 the
One electric capacity 10208, one first diode 10210, one second electric capacity 10212, a first resistor 10214, a second resistance
10216th, a 3rd resistor 10218, Zener diode 10220, one the 3rd electric capacity 10222 and one second diode 10236.
The control integrated circuit 10202 is electrically connected to the rectifier 20；First diode 10210 is electrically connected to this
Control integrated circuit 10202；The first resistor 10214 is electrically connected to first diode 10210；The first transistor
10204 are electrically connected to the first resistor 10214；First electric capacity 10208 is electrically connected to the control integrated circuit 10202；
Second electric capacity 10212 is electrically connected to the first transistor 10204；It is first brilliant that the second resistance 10216 is electrically connected to this
Body pipe 10204；The 3rd resistor 10218 is electrically connected to second electric capacity 10212；The Zener diode 10220 is electrically connected with
To the control integrated circuit 10202；3rd electric capacity 10222 is electrically connected to the Zener diode 10220；Second diode
10236 are electrically connected to the Zener diode 10220.
Figure 18 is refer to, it is the ten one embodiment square of the driving power supply with carrier signal generation device of the present invention
Figure.The driving power supply and carrier signal generation device 102 comprising a control integrated circuit 10202, a first transistor 10204,
One first electric capacity 10208, a first resistor 10214, a second resistance 10216, a 3rd resistor 10218 and Zener diode
10220。
The control integrated circuit 10202 is electrically connected to the rectifier 20；The first transistor 10204 is electrically connected to this
Rectifier 20, the power positive end point 10402 and the control integrated circuit 10202；It is whole that first electric capacity 10208 is electrically connected to this
Stream device 20 and the control integrated circuit 10202；The first resistor 10214 is electrically connected to the control integrated circuit 10202；This
Two resistance 10216 are electrically connected to the control integrated circuit 10202 and the first transistor 10204；The 3rd resistor 10218 is electric
Property is connected to the rectifier 20, the power positive end point 10402, the control integrated circuit 10202 and the first transistor 10204；
The Zener diode 10220 is electrically connected to the control integrated circuit 10202, first electric capacity 10208 and the first resistor
10214。
Figure 12 is refer to, it is those light emitting diode drive devices of the invention embodiment square used in parallel
Figure.Figure 13 is refer to, it is the embodiment block diagram that those light emitting diode drive devices of the present invention are used in series.
Figure 14 is refer to, it is the encapsulating structure perspective view of the present invention.The encapsulating structure 50 of the present invention includes an as above institute
The light emitting diode drive device 104 stated.
It is flat that the encapsulating structure 50 further includes a first support 502, one first platform 504, a second support 506, one second
Platform 508, at least one packaging body 510 of light emitting diode 30 and.
First platform 504 is arranged on one end of the first support 502；The second support 506 is flat with the first support 502
Row is arranged；Second platform 508 is arranged on one end of the second support 506；The light emitting diode drive device 104 is arranged at this
On second platform 508 and it is electrically connected to second platform 508；The light emitting diode 30 be arranged at first platform 504 it
Go up and be electrically connected to first platform 504；The light emitting diode drive device 104 is to be electrically connected to the light emitting diode
30；The packaging body 510 coats first platform 504, second platform 508, the light emitting diode drive device 104 and this is luminous
Diode 30.
Figure 15 is refer to, it is another encapsulating structure perspective view of the present invention, the encapsulating structure is surface mount technology type
Formula (SMD).The encapsulating structure of the present invention is substantially consistent with Figure 14, repeats no more in same section, is at itself and Figure 14 differences,
The light emitting diode 30 is to similarly configure in first platform 504 and lighted by this with the light emitting diode drive device 104
Diode driving 104 is electrically connected with second platform 508 and the second support 506.
Figure 16 is refer to, it is the first embodiment oscillogram of the carrier signal of the present invention；Figure 19 is refer to, it is this
The second embodiment oscillogram of bright carrier signal；When the carrier signal 10234 is generated and transmits, shown in Figure 16 and Figure 19
The carrier signal 10234 include a single pulse wave.
Figure 17 is refer to, it is the 3rd embodiment oscillogram of the carrier signal of the present invention；Figure 20 is refer to, it is this
The fourth embodiment oscillogram of bright carrier signal；When the carrier signal 10234 is generated and transmits, shown in Figure 17 and Figure 20
The carrier signal 10234 comprising plural number pulse wave；Whereby, those light emitting diode drive devices 104 can synchronously drive those
Light emitting diode 30.
Effect of the present invention is to make light emitting diode reduce the use of transmission line to reduce the cost of LED light lamp.
But the above, only presently preferred embodiments of the present invention is when the scope that can not limit present invention enforcement, i.e., every
The impartial change made according to scope of the invention as claimed and modification etc., the patent covering scope that should all still fall within the present invention is intended to
The category of protection.
Claims (12)
1. it is a kind of with carrier signal control LED drive system, it is applied to a rectifier and more than one
Optical diode, it is characterised in that the LED drive system is included：
One driving power supply and carrier signal generation device, the driving power supply is electrically connected to the rectification with carrier signal generation device
Device；
One transmission line, the transmission line is electrically connected to the driving power supply and carrier signal generation device；And
More than one light emitting diode drive device, these light emitting diode drive devices are electrically connected respectively by the transmission line
Connect the drive
Dynamic power supply and carrier signal generation device and these light emitting diodes,
Wherein the light emitting diode drive device is included：
Power positive end point, the power positive end point is electrically connected to the driving power supply and carrier signal generation device；
One voltage adjuster, the voltage adjuster is electrically connected to the power positive end point；
Power supply negative terminal point, the power supply negative terminal point is electrically connected to the voltage adjuster；
One signal detection device, the signal detection device is electrically connected to the power positive end point；
One identification control logic circuit, the identification control logic circuit is electrically connected to the voltage adjuster, the power supply negative terminal point
And the signal detection device；
One counts and displacement buffer circuit, and the counting is electrically connected to the voltage adjuster, the power supply and bears with displacement buffer circuit
End points and the identification control logic circuit；
One variations in light control circuit, the variations in light control circuit is electrically connected to the voltage adjuster, the power supply negative terminal point
And the counting and displacement buffer circuit；
One comparison circuit, the comparison circuit is electrically connected to the identification control logic circuit；
One address scrambler, the address scrambler is electrically connected to the comparison circuit；And
One Address Register, the Address Register is electrically connected to the identification control logic circuit,
Wherein the rectifier to an AC power rectification obtaining a dc source；The rectifier transmits the dc source to the drive
Dynamic power supply and carrier signal generation device；The driving power supply produces a driving power supply with carrier signal generation device；The driving electricity
The driving power supply is transmitted to these light emitting diode drive devices in source with carrier signal generation device via the transmission line, to drive
These light emitting diodes；
Wherein the driving power supply produces a carrier signal with carrier signal generation device；The driving power supply produces dress with carrier signal
Put and transmit the carrier signal to these light emitting diode drive devices via the transmission line；By these carrier signals, these
Optical diode driving means drive these light emitting diodes.
2. as claimed in claim 1 with the LED drive system of carrier signal control, it is characterised in that this lights
Diode driving is further included：
One oscillator, the oscillator be electrically connected to the voltage adjuster, the power supply negative terminal point, the identification control logic circuit and
The variations in light control circuit；
One driving current control circuit, the driving current control circuit is electrically connected to the voltage adjuster, the power supply negative terminal point
And the variations in light control circuit；And
More than one driving current output circuit, these driving current output circuits are electrically connected to the driving current control electricity
Road and these light emitting diodes,
Wherein the carrier signal includes plural pulse wave；These light emitting diode drive devices synchronously drive these light-emitting diodes
Pipe.
3. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
One transistor seconds, the transistor seconds is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
And
One first electric capacity, first electric capacity is electrically connected to the first transistor, the transistor seconds and the power positive end point.
4. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One transistor seconds, the transistor seconds is electrically connected to the control integrated circuit and the first transistor；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One first diode, first diode is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
And
One second electric capacity, second electric capacity is electrically connected to first diode and the power positive end point.
5. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One transistor seconds, the transistor seconds is electrically connected to the control integrated circuit and the first transistor；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to the first transistor and the power positive end point；And
One first resistor, the first resistor is electrically connected to the first transistor and the power positive end point.
6. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One first diode, first diode is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to first diode and the power positive end point；
One transistor seconds, the transistor seconds is electrically connected to second electric capacity；
One first resistor, the first resistor is electrically connected to the rectifier and the control integrated circuit；
One second resistance, the second resistance is electrically connected to the control integrated circuit, the first resistor and the first transistor；And
One 3rd resistor, the 3rd resistor is electrically connected to the control integrated circuit and the transistor seconds.
7. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One first diode, first diode is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to first diode and the power positive end point；
One first resistor, the first resistor is electrically connected to the rectifier and the control integrated circuit；
One second resistance, the second resistance is electrically connected to the control integrated circuit, the first resistor and the first transistor；And
One 3rd resistor, the 3rd resistor is electrically connected to second electric capacity.
8. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One first diode, first diode is electrically connected to the rectifier, the power positive end point and the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to first diode and the power positive end point；
One first resistor, the first resistor is electrically connected to first electric capacity and the control integrated circuit；
One second resistance, the second resistance is electrically connected to the control integrated circuit and the first transistor；
One 3rd resistor, the 3rd resistor is electrically connected to second electric capacity；
Zener diode, the Zener diode is electrically connected to the control integrated circuit, first electric capacity and the first resistor；
And
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to the rectifier and the control integrated circuit.
9. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the driving
Power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One the first transistor, the first transistor is electrically connected to the rectifier and the control integrated circuit；
One first electric capacity, first electric capacity is electrically connected to the rectifier and the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to the first transistor and the power positive end point；
One first resistor, the first resistor is electrically connected to first electric capacity and the control integrated circuit；
One second resistance, the second resistance is electrically connected to the control integrated circuit and the first transistor；
One 3rd resistor, the 3rd resistor is electrically connected to the control integrated circuit；
Zener diode, the Zener diode is electrically connected to the control integrated circuit, first electric capacity and the first resistor；
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to the rectifier and the control integrated circuit；
One transistor seconds, the transistor seconds is electrically connected to the first transistor；
One the 4th resistance, the 4th resistance is electrically connected to the transistor seconds；
One the 5th resistance, the 5th resistance is electrically connected to the 4th resistance；
One the 6th resistance, the 6th resistance is electrically connected to the first transistor and the power positive end point；
One the 7th resistance, the 7th resistance is electrically connected to the 6th resistance；And
One third transistor, the third transistor is electrically connected to the 4th resistance, the 5th resistance and second electric capacity.
10. as claimed in claim 2 with the LED drive system of carrier signal control, it is characterised in that the drive
Dynamic power supply is included with carrier signal generation device：
One first resistor, the first resistor is electrically connected to the rectifier；
One control integrated circuit, the control integrated circuit is electrically connected to the first resistor；
One the first transistor, the first transistor is electrically connected to the rectifier and the first resistor；
One first electric capacity, first electric capacity is electrically connected to the first resistor；
One second electric capacity, second electric capacity is electrically connected to the first transistor and the power positive end point；
One second resistance, the second resistance is electrically connected to the control integrated circuit；
One 3rd resistor, the 3rd resistor is electrically connected to the control integrated circuit；
Zener diode, the Zener diode is electrically connected to the first resistor；
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to the rectifier and the first resistor；
One transistor seconds, the transistor seconds is electrically connected to the second resistance；
One the 4th resistance, the 4th resistance is electrically connected to the first transistor；
One the 5th resistance, the 5th resistance is electrically connected to the 4th resistance, the first transistor and the transistor seconds；
One the 6th resistance, the 6th resistance is electrically connected to the first transistor and the power positive end point；
One the 7th resistance, the 7th resistance is electrically connected to the 6th resistance；And
One third transistor, the third transistor is electrically connected to the 3rd resistor and second electric capacity.
11. LED drive systems with carrier signal control as claimed in claim 2, it is characterised in that the drive
Dynamic power supply is included with carrier signal generation device：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One first resistor, the first resistor is electrically connected to the control integrated circuit；
One the first transistor, the first transistor is electrically connected to the first resistor and the power positive end point；
One first electric capacity, first electric capacity is electrically connected to the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to the first transistor and the power positive end point；
One second resistance, the second resistance is electrically connected to the control integrated circuit；
One 3rd resistor, the 3rd resistor is electrically connected to the first resistor；
Zener diode, the Zener diode is electrically connected to the control integrated circuit and the first transistor；
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to the Zener diode；
One transistor seconds, the transistor seconds is electrically connected to the second resistance；
One the 4th resistance, the 4th resistance is electrically connected to the second resistance；
One the 5th resistance, the 5th resistance is electrically connected to the transistor seconds；
One the 6th resistance, the 6th resistance is electrically connected to the first transistor and the power positive end point；
One the 7th resistance, the 7th resistance is electrically connected to the 6th resistance；
One third transistor, the third transistor is electrically connected to second electric capacity；And
One the 8th resistance, the 8th resistance is electrically connected to the 5th resistance.
12. as claimed in claim 2 with the LED drive system of carrier signal control, wherein the driving power supply with
Carrier signal generation device is included：
One control integrated circuit, the control integrated circuit is electrically connected to the rectifier；
One first diode, first diode is electrically connected to the control integrated circuit；
One first resistor, the first resistor is electrically connected to first diode；
One the first transistor, the first transistor is electrically connected to the first resistor；
One first electric capacity, first electric capacity is electrically connected to the control integrated circuit；
One second electric capacity, second electric capacity is electrically connected to the first transistor；
One second resistance, the second resistance is electrically connected to the first transistor；
One 3rd resistor, the 3rd resistor is electrically connected to second electric capacity；
Zener diode, the Zener diode is electrically connected to the control integrated circuit；
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to the Zener diode；And
One second diode, second diode is electrically connected to the Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148110.2A CN104981048B (en) | 2014-04-14 | 2014-04-14 | Light emitting diode driving system with carrier wave signal control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148110.2A CN104981048B (en) | 2014-04-14 | 2014-04-14 | Light emitting diode driving system with carrier wave signal control |
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| Publication Number | Publication Date |
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| CN104981048B true CN104981048B (en) | 2017-05-10 |
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| CN109951919B (en) * | 2018-12-28 | 2020-05-15 | 矽诚科技股份有限公司 | Carrier controlled LED lamp and LED lamp string |
| US10791604B2 (en) | 2018-12-28 | 2020-09-29 | Semisilicon Technology Corp. | Cascading LED lights with low power consumption |
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| CN101636023A (en) * | 2008-07-25 | 2010-01-27 | 矽诚科技股份有限公司 | Light emitting diode control system using carrier signals |
| TWM431445U (en) * | 2011-12-29 | 2012-06-11 | Semisilicon Technology Corp | LED control system using modulated signal |
| TWM469712U (en) * | 2013-09-18 | 2014-01-01 | Semisilicon Technology Corp | Light emitting diode control circuit with carrier signal control and package structure for the same and system for the same |
| CN203492237U (en) * | 2013-09-24 | 2014-03-19 | 矽诚科技股份有限公司 | Light emitting diode control circuit, package structure of light emitting diode control circuit and system of light emitting diode control circuit |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636023A (en) * | 2008-07-25 | 2010-01-27 | 矽诚科技股份有限公司 | Light emitting diode control system using carrier signals |
| TWM431445U (en) * | 2011-12-29 | 2012-06-11 | Semisilicon Technology Corp | LED control system using modulated signal |
| TWM469712U (en) * | 2013-09-18 | 2014-01-01 | Semisilicon Technology Corp | Light emitting diode control circuit with carrier signal control and package structure for the same and system for the same |
| CN203492237U (en) * | 2013-09-24 | 2014-03-19 | 矽诚科技股份有限公司 | Light emitting diode control circuit, package structure of light emitting diode control circuit and system of light emitting diode control circuit |
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