CN107920404A - LED drive system with quick voltage adjustment circuit - Google Patents
LED drive system with quick voltage adjustment circuit Download PDFInfo
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- CN107920404A CN107920404A CN201611257338.0A CN201611257338A CN107920404A CN 107920404 A CN107920404 A CN 107920404A CN 201611257338 A CN201611257338 A CN 201611257338A CN 107920404 A CN107920404 A CN 107920404A
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- quick
- adjustment circuit
- voltage
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention discloses a kind of LED drive system with quick voltage adjustment circuit, including a control unit, an output terminal switch element, a quick voltage adjustment circuit and a luminous signal voltage generation circuit.When the control unit is not turned on the output terminal switch element, the control unit controls the quick voltage adjustment circuit to handle an output voltage, and the luminous signal voltage generation circuit coordinates the quick voltage adjustment circuit to clamp down on the output voltage to meet a default value；When the output voltage, which is processed to, meets the default value, which, which turns on the output terminal switch element, recovers the output voltage and produces a luminous drive signal；Multiple two pin points control LED light lamps carry out the running of light-emitting mode according to the drive signal that shines.The present invention can repid discharge or boosting with quick and be correctly created the drive signal that shines.
Description
Technical field
The present invention is related to a kind of LED drive system, particularly a kind of hair with quick voltage adjustment circuit
Optical diode drive system.
Background technology
The LED drive system of correlation technique is a kind of common electronic device；The light emitting diode of correlation technique
Drive system is producing luminous drive signal and transmit the drive signal that shines to multiple LED light lamps to drive luminous two
Pole pipe lamp shines；Therefore, the LED drive system of correlation technique is very important.
The drive signal that shines caused by the LED drive system of correlation technique generally comprises multiple pulse waves；This is more
A pulse wave includes high voltage and low-voltage.At present, the LED drive system of correlation technique produces lacking for the plurality of pulse wave
Point is that the LED drive system of correlation technique produces low-voltage or high-tension speed is not fast enough so that shine driving
Signal easily malfunctions.
Fig. 6 is refer to, it is an embodiment oscillogram of the luminous drive signal of correlation technique；With shining for correlation technique
Diode drive system is produced for low-voltage, and the discharge circuit of correlation technique is all the two pin point controls for deducting multiple correlation techniques
The luminous signal voltage generation circuit of the equivalent capacity collocation correlation technique of LED light lamp carries out electric discharge operation, so in phase
Same output switch conduction times t, can allow output voltage to reach default voltage because not discharging into also（60 volts as illustrated in the drawing
It is special）, output voltage can return to 110 volts again；Waveform wherein among Fig. 6 is down electric discharge（It is slightly curvilinear）, then because
Voltage recovers and returns to 110 volts.
The content of the invention
The shortcomings that to improve the above-mentioned prior art, it is an object of the invention to provide one kind to have quick voltage adjustment circuit
LED drive system.
To reach the above-mentioned purpose of the present invention, the light emitting diode drivetrain with quick voltage adjustment circuit of the invention
System, should the LED drive system with quick voltage adjustment circuit to drive multiple two pin points control LED light lamps
Including：One control unit；One output terminal switch element, to receive and transmit an output voltage, output terminal switch element electricity
Property is connected to the control unit and the plurality of two pin points control LED light lamp；One quick voltage adjustment circuit, the quick voltage
Adjustment circuit is electrically connected to the control unit, the plurality of two pin points control LED light lamp and the output terminal switch element；And
One luminous signal voltage generation circuit, to clamp down on the output voltage, which is electrically connected to this
Control unit, the output terminal switch element and the quick voltage adjustment circuit.The wherein control unit is controlling the output terminal
The conducting state of switch element；When the control unit is not turned on the output terminal switch element, which controls this quick
Voltage-regulating circuit handles the output voltage, and the luminous signal voltage generation circuit coordinates quick voltage adjustment electricity
The output voltage is clamped down on to meet a default value in road；When the output voltage, which is processed to, meets the default value, the control unit
Turning on the output terminal switch element recovers the output voltage and produces a luminous drive signal；The plurality of two pin points control shines two
Pole pipe lamp carries out the running of light-emitting mode according to the drive signal that shines.
The advantage of the invention is that can repid discharge or boosting with quick and be correctly created the drive signal that shines.
Brief description of the drawings
Fig. 1 is the first embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Fig. 2 is the second embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Fig. 3 is the 3rd embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Fig. 4 is the fourth embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Fig. 5 is an embodiment oscillogram of the luminous drive signal of the present invention.
Fig. 6 is an embodiment oscillogram of the luminous drive signal of correlation technique.
Fig. 7 is another embodiment oscillogram of the luminous drive signal of the present invention.
Fig. 8 is the 5th embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Fig. 9 is the sixth embodiment circuit of the LED drive system with quick voltage adjustment circuit of the present invention
Figure.
Figure 10 is the luminous drive signal corresponding diagram 8 of the present invention or an embodiment oscillogram of Fig. 9.
Figure 11 is the luminous drive signal corresponding diagram 8 of the present invention or another embodiment oscillogram of Fig. 9.
Figure 12 is the 7th embodiment electricity of the LED drive system with quick voltage adjustment circuit of the present invention
Lu Tu.
In figure：
LED drive system 10 with quick voltage adjustment circuit；
Two pin point control LED light lamps 20；
AC power feeding mechanism 30；
Control unit 102；
Output terminal switch element 104；
Quick voltage adjustment circuit 106；
Luminous signal voltage generation circuit 108；
Bridge rectifier 110；
Varistor 112；
Fuse 114；
First switch subelement 10602；
Second switch subelement 10604；
First capacitance C1；
Second capacitance C2；
3rd capacitance C3；
Signal produces end capacitance C4；
Input end capacitor MLC；
First resistor R1；
Second resistance R2；
3rd resistor R3；
4th resistance R4；
Input terminal first resistor R10；
Input terminal second resistance R20；
Pull down resistor RD；
Signal produces end resistance RZ；
Shine drive signal S1；
Control terminal Zener diode VZ1；
Signal produces end Zener diode VZ2；
Output terminal Zener diode VZ3；
Export switch conduction times t；
First voltage VDC+；
Second voltage VDD；
Divider resistance RD1.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Please refer to Fig.1, it is the first of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram.One has the LED drive system 10 of quick voltage adjustment circuit driving multiple two pin points controls
LED light lamp 20 is simultaneously connected to an AC power feeding mechanism 30.
The LED drive system 10 with quick voltage adjustment circuit is exported including a control unit 102, one
End switch unit 104, a quick voltage adjustment circuit 106, a luminous signal voltage generation circuit 108, one first capacitance C1, one
Second capacitance C2, one the 3rd capacitance C3, a control terminal Zener diode VZ1, a bridge rectifier 110, an input end capacitor
MLC, an input terminal first resistor R10, an input terminal second resistance R20, a varistor 112（varistor）An and fuse
114。
The quick voltage adjustment circuit 106 is a quick discharging circuit；The quick voltage adjustment circuit 106 includes a drop-down
Resistance RD, a first switch subelement 10602, a second switch subelement 10604, a first resistor R1 and a second resistance
R2.The luminous signal voltage generation circuit 108 includes a signal and produces end Zener diode VZ2, signal generation end capacitance C4
And one signal produce end resistance RZ.
The output terminal switch element 104 is receiving and transmit an output voltage；The output terminal switch element 104 electrically connects
It is connected to the control unit 102 and the plurality of two pin points control LED light lamp 20；The quick voltage adjustment circuit 106 is handling
（Reduce）The output voltage；The quick voltage adjustment circuit 106 is electrically connected to the control unit 102, the plurality of two pin point
Control LED light lamp 20 and the output terminal switch element 104；The luminous signal voltage generation circuit 108 is clamping down on the output
Voltage；The luminous signal voltage generation circuit 108 is electrically connected to the control unit 102, the output terminal switch element 104 and is somebody's turn to do
Quick voltage adjustment circuit 106；First capacitance C1 is electrically connected to the control unit 102, the quick voltage adjustment circuit
106th, the luminous signal voltage generation circuit 108 and the output terminal switch element 104；The quick discharging circuit is defeated to reduce this
Go out voltage.
Second capacitance C2 is electrically connected to the control unit 102, the quick voltage adjustment circuit 106, the luminous signal
Voltage generation circuit 108 and the output terminal switch element 104；3rd capacitance C3 is electrically connected to the control unit 102, this is fast
Fast voltage-regulating circuit 106, the luminous signal voltage generation circuit 108, the output terminal switch element 104, first capacitance C1
And second capacitance C2；Control terminal Zener diode VZ1 is electrically connected to the control unit 102, quick voltage adjustment electricity
Road 106, the luminous signal voltage generation circuit 108, the output terminal switch element 104, first capacitance C1, second capacitance C2
And the 3rd capacitance C3.
The bridge rectifier 110 is electrically connected to the control unit 102, the quick voltage adjustment circuit 106, the letter that shines
Number voltage generation circuit 108, the output terminal switch element 104, first capacitance C1, the 3rd capacitance C3 and the control terminal Zener two
Pole pipe VZ1；Input end capacitor MLC is electrically connected to the bridge rectifier 110；Input terminal first resistor R10 is electrically connected
To the bridge rectifier 110 and input end capacitor MLC；Input terminal second resistance R20 is electrically connected to the input end capacitor
MLC, input terminal first resistor R10, the second capacitance C2 and the control unit 102；The varistor 112 is electrically connected to this
Input end capacitor MLC, the input terminal first resistor R10 and input terminal second resistance R20.
The fuse 114 is electrically connected to input end capacitor MLC, input terminal first resistor R10, the input terminal second
Resistance R20 and the varistor 112；Pull down resistor RD is electrically connected to the output terminal switch element 104 and the plurality of bipod
Point control LED light lamp 20；The first switch subelement 10602 is electrically connected to the output terminal switch element 104, the control
Unit 102 and the luminous signal voltage generation circuit 108；The second switch subelement 10604 is electrically connected to the pull down resistor
RD, the control unit 102 and the luminous signal voltage generation circuit 108；First resistor R1 is electrically connected to the first switch
Subelement 10602, the second switch subelement 10604, the output terminal switch element 104 and the luminous signal voltage generation circuit
108。
Second resistance R2 is electrically connected to the first switch subelement 10602, the second switch subelement 10604, is somebody's turn to do
Output terminal switch element 104, first resistor R1, pull down resistor RD, the control unit 102, the plurality of two pin points control shine
Diode lights 20 and the luminous signal voltage generation circuit 108；The signal produces end Zener diode VZ2 and is electrically connected to the control
Unit 102 processed and the quick voltage adjustment circuit 106；The signal produces end capacitance C4 and is electrically connected to the control unit 102, is somebody's turn to do
Quick voltage adjustment circuit 106 and the signal produce end Zener diode VZ2；And the signal produces end resistance RZ and is electrically connected to
The control unit 102, the quick voltage adjustment circuit 106, the signal produce end Zener diode VZ2, the signal produces end electricity
Hold C4 and the output terminal switch element 104.
The control unit 102 is controlling the conducting state of the output terminal switch element 104；When the control unit 102 not
When turning on the output terminal switch element 104, which controls the quick voltage adjustment circuit 106 to the output voltage
Handled（That is, discharge to reduce the output voltage）, and the luminous signal voltage generation circuit 108 coordinates the quick voltage tune
Whole circuit 106 clamps down on the output voltage to meet a default value；When the output voltage is processed（That is, electric discharge reduces）To meeting this
During default value, which, which turns on the output terminal switch element 104, recovers the output voltage and produces a luminous driving
Signal S1；The plurality of two pin points control LED light lamp 20 carries out the running of light-emitting mode according to the drive signal S1 that shines.
That is, when the control unit 102 is not turned on the output terminal switch element 104, which controls this fast
Fast voltage-regulating circuit 106 and the luminous signal voltage generation circuit 108 are to produce the drive signal S1 that shines；The quick voltage
Adjustment circuit 106 and the luminous signal voltage generation circuit 108 transmission drive signal S1 that shines are sent out to the plurality of two pin points control
Optical diode lamp 20 with drive the plurality of two pin points control LED light lamp 20 shine.Fig. 5 is refer to, it shines for the present invention's
One embodiment oscillogram of drive signal.
Wherein, when the control unit 102 is not turned on the output terminal switch element 104, the control unit 102 conducting this
One switch subelement 10602 so that the second switch subelement 10604 also turns on（The advantages of this practice is to avoid the control list
Member 102 can not provide the high voltage for driving the second switch subelement 10604）；That is, the control unit 102 controls this quick
Voltage-regulating circuit 106 forms the drive that shines quickly to reduce voltage caused by the luminous signal voltage generation circuit 108
The low-voltage part of dynamic signal S1.
Furthermore the AC power that the AC power feeding mechanism 30 is transmitted is by input end capacitor MLC, the bridge-type
Rectifier 110, first capacitance C1, second capacitance C2, the 3rd capacitance C3, input terminal first resistor R10, the input terminal
After the processing of second resistance R20 and control terminal Zener diode VZ1 etc. component, which is transformed into a direct current
Power supply.When not produce and transmit the drive signal S1 that shines to the plurality of two pin points control LED light lamp 20, the control
Unit 102 processed turns on the output terminal switch element 104 so that the DC power supply is transferred into the plurality of two pin points control light-emitting diodes
Spot 20 is to drive the plurality of two pin points control LED light lamp 20；When the control unit 102 is not turned on the output end switch list
During member 104（Also that is, it needs to when producing and transmitting the drive signal S1 that shines to the plurality of two pin points control LED light lamp 20）,
The luminous signal voltage generation circuit 108 receives the DC power supply and produces the drive that shines with the quick voltage adjustment circuit 106
Dynamic signal S1.
The control terminal Zener diode VZ1 is providing 102 driving power of control unit.Input end capacitor MLC works as
It is used as load；For example, the AC power is, for example, 110 volts, each of the plurality of two pin points control LED light lamp 20 disappears
3 volts of consumption, then the quantity of the plurality of two pin points control LED light lamp 20 is about 36；If the plurality of two pin points control shines two
The quantity of pole pipe lamp 20 is actually 26, then unnecessary energy will be absorbed by input end capacitor MLC.
The output terminal switch element 104 is a p-type metal-oxide half field effect transistor（P-type metal oxide
Semiconductor field effect transistor, P-MOSFET）；The first switch subelement 10602 is a p-type
Metal-oxide half field effect transistor（P-type metal oxide semiconductor field effect transistor, P-
MOSFET）；The second switch subelement 10604 is a N-type metal-oxide half field effect transistor（N-type metal oxide
Semiconductor field effect transistor, N-MOSFET）.
Please refer to Fig.2, it is the second of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram；Component narration shown in Fig. 2 is similar to Fig. 1, is succinct factor, is repeated no more in this.The output end switch
Unit 104 is a p-type metal-oxide half field effect transistor；The first switch subelement 10602 is a N-type metal-oxide half field effect transistor
（N-type metal oxide semiconductor field effect transistor, N-MOSFET）；This second is opened
Climax unit 10604 is a N-type metal-oxide half field effect transistor（N-type metal oxide semiconductor field
Effect transistor, N-MOSFET）.
Please refer to Fig.3, it is the 3rd of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram；Component narration shown in Fig. 3 is similar to Fig. 1, is succinct factor, is repeated no more in this.Furthermore the fast electric
Pressure adjustment circuit 106 further includes a 3rd resistor R3 and one the 4th resistance R4；3rd resistor R3 is electrically connected to first electricity
Hinder R1, second resistance R2, the first switch subelement 10602, the second switch subelement 10604 and the luminous signal voltage
Generation circuit 108；4th resistance R4 be electrically connected to 3rd resistor R3, the second switch subelement 10604 and this shine
Signal voltage generation circuit 108.The output terminal switch element 104 is a p-type metal-oxide half field effect transistor（P-type metal
Oxide semiconductor field effect transistor, P-MOSFET）；The first switch subelement 10602 is
One N-type metal-oxide half field effect transistor（N-type metal oxide semiconductor field effect
Transistor, N-MOSFET）；The second switch subelement 10604 is a N-type metal-oxide half field effect transistor（N-type
Metal oxide semiconductor field effect transistor, N-MOSFET）.
Please refer to Fig.4, it is the 4th of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram；Component narration shown in Fig. 4 is similar to Fig. 1, is succinct factor, is repeated no more in this.Furthermore should have fast
The LED drive system 10 of fast voltage-regulating circuit further includes an output terminal Zener diode VZ3；The output terminal Zener
Diode VZ3 is electrically connected to the output terminal switch element 104, the quick voltage adjustment circuit 106 and the plurality of two pin points control
LED light lamp 20.The quick voltage adjustment circuit 106 further includes a 3rd resistor R3；3rd resistor R3 is electrically connected to
First resistor R1, second resistance R2, the first switch subelement 10602, the second switch subelement 10604 and this shine
Signal voltage generation circuit 108.The output terminal switch element 104 is a p-type metal-oxide half field effect transistor（P-type metal
Oxide semiconductor field effect transistor, P-MOSFET）；The first switch subelement 10602 is
One p-type metal-oxide half field effect transistor（P-type metal oxide semiconductor field effect
Transistor, P-MOSFET）；The second switch subelement 10604 is a N-type metal-oxide half field effect transistor（N-type
Metal oxide semiconductor field effect transistor, N-MOSFET）.
Fig. 7 is refer to, it is another embodiment oscillogram of the luminous drive signal of the present invention.Using the present invention this is fast
Fast voltage-regulating circuit 106, is designed by the arrangement of bleeder circuit, you can controls in identical output switch conduction times t, according to
So can successfully it discharge to reach default voltage（60 volts as illustrated in the drawing）；Whereby, when the output terminal switch element 104 is in
When now turning on, which returns to 110 volts to form a complete square wave again；That is, the present invention can produce completely
Square wave pattern and electric discharge reach the drive signal S1 that shines of default voltage, then pass through the more than one luminous drive signal S1
It can be operated the light-emitting mode of the plurality of two pin points control LED light lamp 20.
Fig. 8 is refer to, it is the 5th of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram.Fig. 9 is refer to, it is the LED drive system with quick voltage adjustment circuit of the invention
Sixth embodiment circuit diagram.0 is please referred to Fig.1, it is the luminous drive signal corresponding diagram 8 of the present invention or an embodiment ripple of Fig. 9
Shape figure.1 is please referred to Fig.1, it is the luminous drive signal corresponding diagram 8 of the present invention or another embodiment oscillogram of Fig. 9.Fig. 8 institutes
The component narration shown is similar to Fig. 1~Fig. 4, is succinct factor, is repeated no more in this.Component narration and Fig. 1~figure shown in Fig. 9
4 is similar, is succinct factor, is repeated no more in this.Figure 10 includes a second voltage VDD comprising first voltage a VDC+, Figure 11.
2 are please referred to Fig.1, it is the 7th of the LED drive system with quick voltage adjustment circuit of the invention
Embodiment circuit diagram.Component narration shown in Figure 12 is similar to Fig. 1~Fig. 4, is succinct factor, is repeated no more in this.Furthermore should
Luminous signal voltage generation circuit 108 includes a divider resistance RD1, and divider resistance RD1 is electrically connected to the output end switch
Unit 104 and pull down resistor RD.
Compared with Fig. 1, the signal that the divider resistance RD1 of Figure 12 instead of Fig. 1 produces end Zener diode VZ2 to have
The standby signal produces the function of end Zener diode VZ2（Such as clamp down on the output voltage）.That is, divider resistance RD1 is with being somebody's turn to do
Pull down resistor RD forms a bleeder circuit to clamp down on the partial pressure output voltage；, should when the second switch subelement 10604 turns on
The bleeder circuit that divider resistance RD1 and pull down resistor RD are formed carries out the voltage between the both ends of first capacitance C1
Partial pressure meets the default value to clamp down on the output voltage；When the output voltage is processed（That is, electric discharge reduces）It is silent to this is met
When recognizing value, which, which turns on the output terminal switch element 104, recovers the output voltage and produces the driving letter that shines
Number S1；The plurality of two pin points control LED light lamp 20 carries out the running of light-emitting mode according to the drive signal S1 that shines.
In Fig. 8 or Fig. 9, which is a rapid pressure circuit, the rapid pressure circuit to
Increase the output voltage；When the control unit 102 is not turned on the output terminal switch element 104, the control unit 102 control should
Rapid pressure circuit boosts the output voltage to increase the output voltage, and the luminous signal voltage generation circuit 108
The rapid pressure circuit is coordinated to clamp down on the output voltage to meet the default value；Meet this when the output voltage is boosted to increase to
During default value, which, which turns on the output terminal switch element 104, recovers the output voltage and produces the driving that shines
Signal S1；The plurality of two pin points control LED light lamp 20 carries out the running of light-emitting mode according to the drive signal S1 that shines.
The effect of of the invention, is repid discharge or boosting with quick and be correctly created the drive signal S1 that shines.Again
Person, which can include one or more pulse waves, and the signal produces end Zener diode VZ2 to determine this
The amplitude of multiple pulse waves；Because reduction voltage can be reached in the shorter time, the pulse wave of the drive signal S1 that shines
Cycle can be shorter so that the drive signal S1 that shines may include more pulse waves to control more two pin points control light-emitting diodes
Spot 20.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (11)
1. a kind of LED drive system with quick voltage adjustment circuit, to drive multiple two pin points controls to shine two
Pole pipe lamp, it is characterised in that should include with the LED drive system of quick voltage adjustment circuit：
One control unit；
One output terminal switch element, to receive and transmit an output voltage, which is electrically connected to the control
Unit processed and the plurality of two pin points control LED light lamp；
One quick voltage adjustment circuit, the quick voltage adjustment circuit are electrically connected to the control unit, the plurality of two pin points control
LED light lamp and the output terminal switch element；And
One luminous signal voltage generation circuit, to clamp down on the output voltage, which is electrically connected
To the control unit, the output terminal switch element and the quick voltage adjustment circuit,
The wherein control unit is controlling the conducting state of the output terminal switch element；When the control unit is not turned on the output
During end switch unit, which controls the quick voltage adjustment circuit to handle the output voltage, and the letter that shines
Number voltage generation circuit coordinates the quick voltage adjustment circuit to clamp down on the output voltage to meet a default value；When the output voltage
It is processed to when meeting the default value, which, which turns on the output terminal switch element, recovers the output voltage and produce one
Shine drive signal；The plurality of two pin points control LED light lamp carries out the running of light-emitting mode according to the drive signal that shines.
2. the LED drive system according to claim 1 with quick voltage adjustment circuit, it is characterised in that
The wherein quick voltage adjustment circuit is a quick discharging circuit, and the quick discharging circuit is reducing the output voltage；When this
When control unit is not turned on the output terminal switch element, which controls the quick discharging circuit to carry out the output voltage
Electric discharge is to reduce the output voltage, and the luminous signal voltage generation circuit coordinates the quick discharging circuit to clamp down on the output voltage
To meet the default value；When the output voltage be discharged be reduced to meet the default value when, which turns on the output terminal
Switch element recovers the output voltage and produces the drive signal that shines.
3. the LED drive system according to claim 1 with quick voltage adjustment circuit, it is characterised in that
The wherein quick voltage adjustment circuit is a rapid pressure circuit, and the rapid pressure circuit is increasing the output voltage；When this
When control unit is not turned on the output terminal switch element, which controls the rapid pressure circuit to carry out the output voltage
Boosting is to increase the output voltage, and the luminous signal voltage generation circuit coordinates the rapid pressure circuit to clamp down on the output voltage
To meet the default value；When the output voltage be boosted increase to meet the default value when, which turns on the output terminal
Switch element recovers the output voltage and produces the drive signal that shines.
4. the LED drive system according to claim 2 with quick voltage adjustment circuit, it is characterised in that
Wherein the quick voltage adjustment circuit includes：
One pull down resistor, the pull down resistor are electrically connected to the output terminal switch element and the plurality of two pin points control light emitting diode
Lamp；
One first switch subelement, the first switch subelement be electrically connected to the output terminal switch element, the control unit and
The luminous signal voltage generation circuit；
One second switch subelement, the second switch subelement be electrically connected to the pull down resistor, the control unit and this shine
Signal voltage generation circuit；
One first resistor, the first resistor are electrically connected to the first switch subelement, the second switch subelement, the output terminal
Switch element and the luminous signal voltage generation circuit；And
One second resistance, the second resistance are electrically connected to the first switch subelement, the second switch subelement, the output terminal
Switch element, the first resistor, the pull down resistor, the control unit, the plurality of two pin points control LED light lamp and this shine
Signal voltage generation circuit.
5. the LED drive system according to claim 4 with quick voltage adjustment circuit, it is characterised in that
Wherein the quick voltage adjustment circuit further includes：
One 3rd resistor, the 3rd resistor be electrically connected to the first resistor, the second resistance, the first switch subelement, should
Second switch subelement and the luminous signal voltage generation circuit；And
One the 4th resistance, the 4th resistance are electrically connected to the 3rd resistor, the second switch subelement and luminous signal electricity
Press generation circuit.
6. the LED drive system according to claim 5 with quick voltage adjustment circuit, it is characterised in that
Wherein the luminous signal voltage generation circuit includes：
One signal produces end Zener diode, and signal generation end Zener diode is electrically connected to the control unit and this is quick
Voltage-regulating circuit；
One signal produces end capacitance, which produces end capacitance and be electrically connected to the control unit, the quick voltage adjustment circuit
And the signal produces end Zener diode；And
One signal produce end resistance, the signal produce end resistance be electrically connected to the control unit, the quick voltage adjustment circuit,
The signal produces end Zener diode, the signal produces end capacitance and the output terminal switch element.
7. the LED drive system according to claim 6 with quick voltage adjustment circuit, it is characterised in that
Further include：
One first capacitance, first capacitance are electrically connected to the control unit, the quick voltage adjustment circuit, luminous signal electricity
Press generation circuit and the output terminal switch element；
One second capacitance, second capacitance are electrically connected to the control unit, the quick voltage adjustment circuit, luminous signal electricity
Press generation circuit and the output terminal switch element；
One the 3rd capacitance, the 3rd capacitance are electrically connected to the control unit, the quick voltage adjustment circuit, luminous signal electricity
Press generation circuit, the output terminal switch element, first capacitance and second capacitance；And
One control terminal Zener diode, the control terminal Zener diode are electrically connected to the control unit, quick voltage adjustment
Circuit, the luminous signal voltage generation circuit, the output terminal switch element, first capacitance, second capacitance and the 3rd electricity
Hold.
8. the LED drive system according to claim 7 with quick voltage adjustment circuit, it is characterised in that
Further include：
One bridge rectifier, the bridge rectifier are electrically connected to the control unit, the quick voltage adjustment circuit, the letter that shines
Number voltage generation circuit, the output terminal switch element, first capacitance, the 3rd capacitance and the control terminal Zener diode；
One input end capacitor, the input end capacitor are electrically connected to the bridge rectifier；
One input terminal first resistor, the input terminal first resistor are electrically connected to the bridge rectifier and the input end capacitor；And
One input terminal second resistance, the input terminal second resistance be electrically connected to the input end capacitor, the input terminal first resistor,
Second capacitance and the control unit.
9. the LED drive system according to claim 8 with quick voltage adjustment circuit, it is characterised in that
Further include：
One varistor, the varistor are electrically connected to the input end capacitor, the input terminal first resistor and input terminal
Two resistance；
One fuse, the fuse are electrically connected to the input end capacitor, the input terminal first resistor, the input terminal second resistance
And the varistor；And
One output terminal Zener diode, the output terminal Zener diode are electrically connected to the output terminal switch element, the fast electric
Press adjustment circuit and the plurality of two pin points control LED light lamp.
10. the LED drive system according to claim 9 with quick voltage adjustment circuit, its feature exist
In wherein the output terminal switch element is a p-type metal-oxide half field effect transistor；The first switch subelement is a p-type gold oxygen half
Field-effect transistor or a N-type metal-oxide half field effect transistor；The second switch subelement is a N-type metal-oxide half field effect transistor.
11. the LED drive system according to claim 4 with quick voltage adjustment circuit, its feature exist
In wherein the luminous signal voltage generation circuit includes：
One divider resistance, the divider resistance are electrically connected to the output terminal switch element and the pull down resistor, the divider resistance with
The pull down resistor is clamping down on the partial pressure output voltage.
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| CN201610882923 | 2016-10-10 | ||
| CN2016108829233 | 2016-10-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730331A (en) * | 2008-10-10 | 2010-06-09 | 立锜科技股份有限公司 | Booster driving circuit with quick discharge function |
| CN102291880A (en) * | 2011-05-26 | 2011-12-21 | 深圳市中庆微科技开发有限公司 | Low-voltage LED (Light Emitting Diode) driving chip |
| CN202841639U (en) * | 2012-10-17 | 2013-03-27 | 深圳市聚作照明股份有限公司 | Light-emitting diode (LED) driving power device |
| JP2015223046A (en) * | 2014-05-23 | 2015-12-10 | 株式会社風憩セコロ | Rechargeable power generation drive system |
| CN205584562U (en) * | 2016-04-18 | 2016-09-14 | 矽诚科技股份有限公司 | Emitting diode actuating system with luminous signal is stated from power line |
-
2016
- 2016-12-30 CN CN201611257338.0A patent/CN107920404B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730331A (en) * | 2008-10-10 | 2010-06-09 | 立锜科技股份有限公司 | Booster driving circuit with quick discharge function |
| CN102291880A (en) * | 2011-05-26 | 2011-12-21 | 深圳市中庆微科技开发有限公司 | Low-voltage LED (Light Emitting Diode) driving chip |
| CN202841639U (en) * | 2012-10-17 | 2013-03-27 | 深圳市聚作照明股份有限公司 | Light-emitting diode (LED) driving power device |
| JP2015223046A (en) * | 2014-05-23 | 2015-12-10 | 株式会社風憩セコロ | Rechargeable power generation drive system |
| CN205584562U (en) * | 2016-04-18 | 2016-09-14 | 矽诚科技股份有限公司 | Emitting diode actuating system with luminous signal is stated from power line |
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| CN107920404B (en) | 2019-05-24 |
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