CN203788523U - Improved light emitting diode driving system - Google Patents
Improved light emitting diode driving system Download PDFInfo
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- CN203788523U CN203788523U CN201420159945.3U CN201420159945U CN203788523U CN 203788523 U CN203788523 U CN 203788523U CN 201420159945 U CN201420159945 U CN 201420159945U CN 203788523 U CN203788523 U CN 203788523U
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an improved light emitting diode driving system. The improved light emitting diode driving system is applied to a rectifier and multiple light emitting diodes. The improved light emitting diode driving system comprises a driving power source and synchronization signal generation device, transmission lines and multiple light emitting diode driving devices, wherein the rectifiers realizes rectification of an alternating current power source to acquire the direct current power source, the rectifier transmits the direct current power source to the driving power source and synchronization signal generation device, the driving power source and synchronization signal generation device generates a driving power source, and the driving power source and synchronization signal generation device transmits the driving power source to the multiple light emitting diode driving devices through the transmission lines for driving the light emitting diodes. Based on the direct current power source, the driving power source and synchronization signal generation device generates synchronization signals regularly, the driving power source and synchronization signal generation device transmits the synchronization signals to each light emitting diode driving device through the transmission lines for synchronously driving each light emitting diode. The improved light emitting diode driving system can enable the light emitting diodes to reduce use of the transmission lines for reducing cost of the light emitting diodes.
Description
Technical field
The utility model relates to LED drive system, particularly a kind of improved light-emitting diode drive system.
Background technology
LED string light module can be divided into tandem and parallel two kinds of connected modes haply at present, and the LED string light module of these two kinds of modes is also extensively used in building outward appearance, trees, signboard and makes on scenery by user, to increase respectively outward appearance U.S. of this things.
And at known in-line LED string light module, that the LED string light module of organizing is connected in series more, and the series connection quantity of LED string light module is to determine according to the object volume size of coiling, and by the controller of first LED string light module, the LED light lamp group of all LED string light modules is controlled after series connection.
Although, this kind of in-line connected mode, making LED string light module be easy to series connection uses, but in use, as long as while having one group of LED string light module fault, to cause control signal to transmit, and cause the LED string light module of back segment of the LED string light module of this group fault not receive any control signal, and cause the LED string light module of back segment all cannot be lit.
In addition, at parallel LED string light module, be that the LED string light module of organizing and this controller are connected in parallel more, each LED string light module will have a control line and addressing line to control.If during the LED string light module of 10 groups in parallel, this controller just must utilize 10 control lines and 10 addressing lines to control 10 groups of LED string light modules.
This kind in use parallel, while having one group of LED string light module to break down, will can not have influence on the control of other LED string light modules.But when LED string light module quantity in parallel is more, control line and addressing line are more relatively, cause the complexity of circuit, be difficult for making, and cost is high.
No matter yet be tandem or parallel connected mode, all need to use most power lines or holding wire, reach the object that makes LED string light module variations in light.And in the situation that raw material rise is now day by day serious, the use that can reduce transmission line just can reduce costs widely.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of improved light-emitting diode drive system, can reduce costs.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
An improved light-emitting diode drive system, is applied to a rectifier and a plurality of light-emitting diode, and this improved light-emitting diode drive system comprises:
One driving power and synchronization signal generation apparatus, this driving power and synchronization signal generation apparatus are electrically connected to this rectifier;
One transmission line, this transmission line is electrically connected to this driving power and synchronization signal generation apparatus; And
A plurality of light emitting diode drive devices, respectively this light emitting diode drive device is electrically connected to this transmission line, this driving power and synchronization signal generation apparatus and this light-emitting diode respectively,
Wherein this light emitting diode drive device comprises:
Power positive end point, this power positive end point is electrically connected to this driving power and synchronization signal generation apparatus;
One voltage adjuster, this voltage adjuster is electrically connected to this power positive end point;
One power-end points, this power-end points is electrically connected to this voltage adjuster;
One signal detector, this signal detector is electrically connected to this power positive end point;
One synchronous control logic circuit, this Synchronization Control logical circuit is electrically connected to this voltage adjuster, this power-end points and this signal detector; And
One variations in light control circuit, this variations in light control circuit is electrically connected to this voltage adjuster, this power-end points and this Synchronization Control logical circuit,
Wherein this rectifier obtains a DC power supply to an AC power rectification; This rectifier transmits this DC power supply to this driving power and synchronization signal generation apparatus; This driving power and synchronization signal generation apparatus produce a driving power; This driving power and synchronization signal generation apparatus transmit extremely respectively this light emitting diode drive device of this driving power via this transmission line, drive respectively this light-emitting diode;
This driving power and synchronization signal generation apparatus receive this DC power supply and periodically produce a synchronizing signal; This driving power and synchronization signal generation apparatus transmit extremely respectively this light emitting diode drive device of this synchronizing signal via this transmission line; By this synchronizing signal respectively, synchronous respectively this light-emitting diode that drives of this light emitting diode drive device respectively.
As preferred version, this light emitting diode drive device more comprises:
One oscillator, this oscillator is electrically connected to this voltage adjuster, this power-end points, this Synchronization Control logical circuit and this variations in light control circuit.
As preferred version, this light emitting diode drive device more comprises:
One drive current control circuit, this drive current control circuit is electrically connected to this voltage adjuster, this power-end points and this variations in light control circuit.
As preferred version, this light emitting diode drive device more comprises:
A plurality of drive current output circuits, respectively this drive current output circuit is electrically connected to this drive current control circuit and this light-emitting diode respectively.
As preferred version, this driving power and synchronization signal generation apparatus comprise:
One first resistance, this first resistance is electrically connected to this rectifier;
One second resistance, this second resistance is electrically connected to this first resistance;
One first diode, this first diode is electrically connected to this rectifier and this first resistance;
One first electric capacity, this first electric capacity is electrically connected to this first diode;
One the 3rd resistance, the 3rd resistance is electrically connected to this first diode; And
One first electric crystal, this first electric crystal is electrically connected to this first resistance, this second resistance and the 3rd resistance.
As preferred version, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to the 3rd resistance and this first electric crystal;
One second electric crystal, this second electric crystal is electrically connected to this first diode and this power positive end point;
One the 5th resistance, the 5th resistance is electrically connected to this power positive end point and this second electric crystal; And
One second electric capacity, this second electric capacity is electrically connected to this power positive end point and this second electric crystal.
As preferred version, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to the 3rd resistance;
One second electric crystal, this second electric crystal is electrically connected to this first diode;
One the 5th resistance, the 5th resistance is electrically connected to this first diode;
One second electric capacity, this second electric capacity is electrically connected to this power positive end point;
One second diode, this second diode is electrically connected to this power positive end point, this second electric capacity and this first diode;
One the 6th resistance, the 6th resistance is electrically connected to the 5th resistance, this first electric crystal and this second electric crystal; And
One the 7th resistance, the 7th resistance is electrically connected to this second electric crystal and this second electric capacity.
As preferred version, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to this first diode;
One second electric crystal, this second electric crystal is electrically connected to this first diode;
One the 5th resistance, the 5th resistance is electrically connected to the 4th resistance and this second electric crystal;
One second electric capacity, this second electric capacity is electrically connected to this power positive end point;
One second diode, this second diode is electrically connected to this power positive end point, this second electric capacity and this first diode;
One the 6th resistance, the 6th resistance is electrically connected to this second electric crystal and this second electric capacity; And
One the 3rd electric crystal, the 3rd electric crystal is electrically connected to this first electric crystal, the 3rd resistance and the 5th resistance.
As preferred version, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to this first diode;
One second electric crystal, this second electric crystal is electrically connected to this first diode and this power positive end point;
One the 5th resistance, the 5th resistance is electrically connected to the 3rd resistance, this first electric crystal and this second electric crystal; And
One second electric capacity, this second electric capacity is electrically connected to this power positive end point and this second electric crystal.
As preferred version, this driving power and synchronization signal generation apparatus more comprise:
One the 6th resistance, the 6th resistance is electrically connected to this power positive end point and this second electric crystal;
One the 3rd electric crystal, the 3rd electric crystal is electrically connected to this first resistance, this second resistance, this first electric crystal and the 4th resistance;
One the 7th resistance, the 7th resistance is electrically connected to the 6th resistance; And
One the 4th electric crystal, the 4th electric crystal is electrically connected to the 4th resistance, the 3rd electric crystal and this second electric capacity.
The technique effect that the utility model reaches is as follows: make light-emitting diode reduce the use of transmission line with the cost of reduction LED light lamp.
Accompanying drawing explanation
Fig. 1 is the utility model improved light-emitting diode drive system calcspar.
Fig. 2 is the first embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.
Fig. 3 is the second embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.
Fig. 4 is the 3rd embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.
Fig. 5 is the 4th embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.
Fig. 6 is respectively this light emitting diode drive device embodiment calcspar using in parallel of the utility model.
Fig. 7 is the utility model embodiment calcspar that respectively this light emitting diode drive device series connection is used.
Fig. 8 is encapsulating structure perspective view of the present utility model.
Fig. 9 is another encapsulating structure perspective view of the present utility model.
Figure 10 is the 5th embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.
[symbol description]
Improved light-emitting diode drive system 10
Rectifier 20
AC power 22
DC power supply 24
Light-emitting diode 30
AC power feeding mechanism 40
Encapsulating structure 50
The first support 502
The first platform 504
The second support 506
The second platform 508
Packaging body 510
Driving power and synchronization signal generation apparatus 102
Light emitting diode drive device 104
Transmission line 106
The first resistance 10202
The second resistance 10204
The first diode 10206
The first electric capacity 10208
The 3rd resistance 10210
The first electric crystal 10212
The 4th resistance 10214
The second electric crystal 10216
The 5th resistance 10218
The second electric capacity 10220
The second diode 10222
The 6th resistance 10224
The 7th resistance 10226
The 3rd electric crystal 10228
The 4th electric crystal 10230
Driving power 10232
Synchronizing signal 10234
Power positive end point 10402
Voltage adjuster 10404
Power-end points 10406
Signal detector 10408
Synchronization Control logical circuit 10410
Variations in light control circuit 10412
Oscillator 10414
Drive current control circuit 10416
Drive current output circuit 10418.
Embodiment
Please refer to Fig. 1, it is the utility model improved light-emitting diode drive system calcspar.One modified form LED drive system 10 is applied to a rectifier 20(under communication environment or DC environment) and a plurality of light-emitting diode 30.This improved light-emitting diode drive system 10 comprises a driving power and synchronization signal generation apparatus 102, a transmission line 106 and a plurality of light emitting diode drive device 104.This rectifier 20 is integrated into a power supply unit with this driving power and synchronization signal generation apparatus 102.
This driving power and synchronization signal generation apparatus 102 are electrically connected to this rectifier 20; This transmission line 106 is electrically connected to this driving power and synchronization signal generation apparatus 102; Respectively this light emitting diode drive device 104 is electrically connected to this transmission line 106, this driving power and synchronization signal generation apparatus 102 and this light-emitting diode 30 respectively.
20 couples of AC power 22(of this rectifier send from an AC power feeding mechanism 40) rectification to be to obtain a DC power supply 24; This rectifier 20 transmits this DC power supply 24 to this driving power and synchronization signal generation apparatus 102; This driving power and synchronization signal generation apparatus 102 produce a driving power 10232; This driving power and synchronization signal generation apparatus 102 transmit these driving powers 10232 to this light emitting diode drive device 104 respectively, to drive respectively this light-emitting diode 30 via this transmission line 106.
According to this DC power supply 24, this driving power and synchronization signal generation apparatus 102 periodically produce a synchronizing signal 10234.For example, this AC power 22 is a sine wave, and this rectifier 20 is a bridge rectifier, and, when this DC power supply 24 is during at trough (when magnitude of voltage is zero), this driving power and synchronization signal generation apparatus 102 produce this synchronizing signal 10234.This synchronizing signal 10234 for example can be but is not defined as a pulse signal, and the magnitude of voltage of this pulse signal can be plus or minus.
This driving power and synchronization signal generation apparatus 102 transmit these synchronizing signals 10234 to this light emitting diode drive device 104 respectively via this transmission line 106; By this synchronizing signal 10234 respectively, synchronous respectively this light-emitting diode 30 that drives of this light emitting diode drive device 104 respectively.
Therefore this transmission line 106 transmits this driving power 10232 and this synchronizing signal 10234 simultaneously, has reduced the use of transmission line and has reduced the cost of LED light lamp.
This light emitting diode drive device 104 comprises a power positive end point 10402, a voltage adjuster 10404, a power-end points 10406, the synchronous control logic circuit 10410 of a signal detector 10408,, a variations in light control circuit 10412, an oscillator 10414, a drive current control circuit 10416 and a plurality of drive current output circuit 10418.
This power positive end point 10402 is electrically connected to this driving power and synchronization signal generation apparatus 102; This voltage adjuster 10404 is electrically connected to this power positive end point 10402; This power-end points 10406 is electrically connected to this voltage adjuster 10404; This signal detector 10408 is electrically connected to this power positive end point 10402; This Synchronization Control logical circuit 10410 is electrically connected to this voltage adjuster 10404, this power-end points 10406 and this signal detector 10408; This variations in light control circuit 10412 is electrically connected to this voltage adjuster 10404, this power-end points 10406 and this Synchronization Control logical circuit 10410.
This oscillator 10414 is electrically connected to this voltage adjuster 10404, this power-end points 10406, this Synchronization Control logical circuit 10410 and this variations in light control circuit 10412; This drive current control circuit 10416 is electrically connected to this voltage adjuster 10404, this power-end points 10406 and this variations in light control circuit 10412; Respectively this drive current output circuit 10418 is electrically connected to this drive current control circuit 10416 and this light-emitting diode 30 respectively.
This signal detector 10408 is in order to detect this synchronizing signal 10234 to notify this Synchronization Control logical circuit 10410; Then this variations in light control circuit 10412 is processed and is notified in the control that, this Synchronization Control logical circuit 10410 carries out in some circuit logics; This variations in light control circuit 10412 is in order to determine the variations in light of this light-emitting diode 30 respectively and to notify this drive current control circuit 10416; Finally, this drive current control circuit 10416 of each this light emitting diode drive device 104 is controlled this drive current output circuit 10418 synchronously to drive respectively this light-emitting diode 30; Therefore, all respectively this light-emitting diodes 30 are all synchronously driven.
Please refer to Fig. 2, it is the first embodiment calcspar of driving power of the present utility model and synchronization signal generation apparatus.This driving power and synchronization signal generation apparatus 102 comprise one first resistance 10202, one second resistance 10204, one first diode 10206, one first electric capacity 10208, one the 3rd resistance 10210, one first electric crystal 10212, one the 4th resistance 10214, one second electric crystal 10216, one the 5th resistance 10218 and one second electric capacity 10220.
This first resistance 10202 is electrically connected to this rectifier 20; This second resistance 10204 is electrically connected to this first resistance 10202; This first diode 10206 is electrically connected to this rectifier 20 and this first resistance 10202; This first electric capacity 10208 is electrically connected to this first diode 10206; The 3rd resistance 10210 is electrically connected to this first diode 10206; This first electric crystal 10212 is electrically connected to this first resistance 10202, this second resistance 10204 and the 3rd resistance 10210.
The 4th resistance 10214 is electrically connected to the 3rd resistance 10210 and this first electric crystal 10212; This second electric crystal 10216 is electrically connected to this first diode 10206 and this power positive end point 10402; The 5th resistance 10218 is electrically connected to this power positive end point 10402 and this second electric crystal 10216; This second electric capacity 10220 is electrically connected to this power positive end point 10402 and this second electric crystal 10216.
Please refer to Fig. 3, it is the second embodiment calcspar of driving power of the present utility model and synchronization signal generation apparatus.This driving power and synchronization signal generation apparatus 102 comprise one first resistance 10202, one second resistance 10204, one first diode 10206, one first electric capacity 10208, one the 3rd resistance 10210, one first electric crystal 10212, one the 4th resistance 10214, one second electric crystal 10216, one the 5th resistance 10218, one second electric capacity 10220, one second diode 10222, one the 6th resistance 10224 and one the 7th resistance 10226.
This first resistance 10202 is electrically connected to this rectifier 20; This second resistance 10204 is electrically connected to this first resistance 10202; This first diode 10206 is electrically connected to this rectifier 20 and this first resistance 10202; This first electric capacity 10208 is electrically connected to this first diode 10206; The 3rd resistance 10210 is electrically connected to this first diode 10206; This first electric crystal 10212 is electrically connected to this first resistance 10202, this second resistance 10204 and the 3rd resistance 10210.
The 4th resistance 10214 is electrically connected to the 3rd resistance 10210; This second electric crystal 10216 is electrically connected to this first diode 10206; The 5th resistance 10218 is electrically connected to this first diode 10206; This second electric capacity 10220 is electrically connected to this power positive end point 10402; This second diode 10222 is electrically connected to this power positive end point 10402, this second electric capacity 10220 and this first diode 10206; The 6th resistance 10224 is electrically connected to the 5th resistance 10218, this first electric crystal 10212 and this second electric crystal 10216; The 7th resistance 10226 is electrically connected to this second electric crystal 10216 and this second electric capacity 10220.
Please refer to Fig. 4, it is the 3rd embodiment calcspar of driving power of the present utility model and synchronization signal generation apparatus.This driving power and synchronization signal generation apparatus 102 comprise one first resistance 10202, one second resistance 10204, one first diode 10206, one first electric capacity 10208, one the 3rd resistance 10210, one first electric crystal 10212, one the 4th resistance 10214, one second electric crystal 10216, one the 5th resistance 10218, one second electric capacity 10220, one second diode 10222, one the 6th resistance 10224 and one the 3rd electric crystal 10228.
This first resistance 10202 is electrically connected to this rectifier 20; This second resistance 10204 is electrically connected to this first resistance 10202; This first diode 10206 is electrically connected to this rectifier 20 and this first resistance 10202; This first electric capacity 10208 is electrically connected to this first diode 10206; The 3rd resistance 10210 is electrically connected to this first diode 10206; This first electric crystal 10212 is electrically connected to this first resistance 10202, this second resistance 10204 and the 3rd resistance 10210.
The 4th resistance 10214 is electrically connected to this first diode 10206; This second electric crystal 10216 is electrically connected to this first diode 10206; The 5th resistance 10218 is electrically connected to the 4th resistance 10214 and this second electric crystal 10216; This second electric capacity 10220 is electrically connected to this power positive end point 10402; This second diode 10222 is electrically connected to this power positive end point 10402, this second electric capacity 10220 and this first diode 10206; The 6th resistance 10224 is electrically connected to this second electric crystal 10216 and this second electric capacity 10220; The 3rd electric crystal 10228 is electrically connected to this first electric crystal 10212, the 3rd resistance 10210 and the 5th resistance 10218.
Please refer to Fig. 5, it is the 4th embodiment calcspar of driving power of the present utility model and synchronization signal generation apparatus.This driving power and synchronization signal generation apparatus 102 comprise one first resistance 10202, one second resistance 10204, one first diode 10206, one first electric capacity 10208, one the 3rd resistance 10210, one first electric crystal 10212, one the 4th resistance 10214, one second electric crystal 10216, one the 5th resistance 10218, one second electric capacity 10220, one the 6th resistance 10224, one the 7th resistance 10226, one the 3rd electric crystal 10228 and one the 4th electric crystal 10230.
This first resistance 10202 is electrically connected to this rectifier 20; This second resistance 10204 is electrically connected to this first resistance 10202; This first diode 10206 is electrically connected to this rectifier 20 and this first resistance 10202; This first electric capacity 10208 is electrically connected to this first diode 10206; The 3rd resistance 10210 is electrically connected to this first diode 10206; This first electric crystal 10212 is electrically connected to this first resistance 10202, this second resistance 10204 and the 3rd resistance 10210.
The 4th resistance 10214 is electrically connected to this first diode 10206; This second electric crystal 10216 is electrically connected to this first diode 10206 and this power positive end point 10402; The 5th resistance 10218 is electrically connected to the 3rd resistance 10210, this first electric crystal 10212 and this second electric crystal 10216; This second electric capacity 10220 is electrically connected to this power positive end point 10402 and this second electric crystal 10216.
The 6th resistance 10224 is electrically connected to this power positive end point 10402 and this second electric crystal 10216; The 3rd electric crystal 10228 is electrically connected to this first resistance 10202, this second resistance 10204, this first electric crystal 10212 and the 4th resistance 10214; The 7th resistance 10226 is electrically connected to the 6th resistance 10224; The 4th electric crystal 10230 is electrically connected to the 4th resistance 10214, the 3rd electric crystal 10228 and this second electric capacity 10220.
Please refer to Fig. 6, it is respectively this light emitting diode drive device of the present utility model embodiment calcspar using in parallel.Please refer to Fig. 7, it is the embodiment calcspar that respectively this light emitting diode drive device series connection is used of the present utility model.
Please refer to Fig. 8, it is encapsulating structure perspective view of the present utility model.Encapsulating structure 50 of the present utility model comprises a light emitting diode drive device 104 as above.
This encapsulating structure 50 more comprises one first support 502, one first platform 504, one second support 506, one second platform 508, at least one this light-emitting diode 30 and a packaging body 510.
This first platform 504 is arranged on one end of this first support 502; This second support 506 be arranged in parallel with this first support 502; This second platform 508 is arranged on one end of this second support 506; This light emitting diode drive device 104 is arranged on this second platform 508 and is electrically connected to this second platform 508; This light-emitting diode 30 is arranged on this first platform 504 and is electrically connected to this first platform 504; This light emitting diode drive device 104 is electrically connected to this light-emitting diode 30; Coated this first platform 504 of this packaging body 510, this second platform 508, this light emitting diode drive device 104 and this light-emitting diode 30.
Please refer to Fig. 9, it is another encapsulating structure perspective view of the present utility model, and this encapsulating structure is surface adhering technical pattern (SMD).Encapsulating structure of the present utility model roughly conforms to Fig. 8, in same section, repeat no more, itself and Fig. 8 difference are in, this light-emitting diode 30 is identical with this light emitting diode drive device 104 and are configured in this first platform 504 and are electrically connected this second platform 508 and this second support 506 by this light emitting diode drive device 104.
Please refer to Figure 10, it is the 5th embodiment calcspar of the utility model driving power and synchronization signal generation apparatus.This driving power and synchronization signal generation apparatus 102 comprise one first resistance 10202, one second resistance 10204, one first diode 10206, one first electric capacity 10208, one the 3rd resistance 10210, one first electric crystal 10212, one the 4th resistance 10214, one second electric crystal 10216 and one the 5th resistance 10218.
This first resistance 10202 is electrically connected to this rectifier 20; This second resistance 10204 is electrically connected to this first resistance 10202; This first diode 10206 is electrically connected to this rectifier 20 and this first resistance 10202; This first electric capacity 10208 is electrically connected to this first diode 10206; The 3rd resistance 10210 is electrically connected to this first diode 10206; This first electric crystal 10212 is electrically connected to this first resistance 10202, this second resistance 10204 and the 3rd resistance 10210.
The 4th resistance 10214 is electrically connected to the 3rd resistance 10210 and this first electric crystal 10212; This second electric crystal 10216 is electrically connected to this first diode 10206 and this power positive end point 10402; The 5th resistance 10218 is electrically connected to this power positive end point 10402 and this second electric crystal 10216.
Effect of the present utility model is that the use that makes light-emitting diode reduce transmission line is to reduce the cost of LED light lamp.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection range of the present utility model.
Claims (10)
1. an improved light-emitting diode drive system, is applied to a rectifier and a plurality of light-emitting diode, it is characterized in that, this improved light-emitting diode drive system comprises:
One driving power and synchronization signal generation apparatus, this driving power and synchronization signal generation apparatus are electrically connected to this rectifier;
One transmission line, this transmission line is electrically connected to this driving power and synchronization signal generation apparatus; And
A plurality of light emitting diode drive devices, respectively this light emitting diode drive device is electrically connected to this transmission line, this driving power and synchronization signal generation apparatus and this light-emitting diode respectively,
Wherein this light emitting diode drive device comprises:
Power positive end point, this power positive end point is electrically connected to this driving power and synchronization signal generation apparatus;
One voltage adjuster, this voltage adjuster is electrically connected to this power positive end point;
One power-end points, this power-end points is electrically connected to this voltage adjuster;
One signal detector, this signal detector is electrically connected to this power positive end point;
One synchronous control logic circuit, this Synchronization Control logical circuit is electrically connected to this voltage adjuster, this power-end points and this signal detector; And
One variations in light control circuit, this variations in light control circuit is electrically connected to this voltage adjuster, this power-end points and this Synchronization Control logical circuit,
Wherein this rectifier obtains a DC power supply to an AC power rectification; This rectifier transmits this DC power supply to this driving power and synchronization signal generation apparatus; This driving power and synchronization signal generation apparatus produce a driving power; This driving power and synchronization signal generation apparatus transmit extremely respectively this light emitting diode drive device of this driving power via this transmission line, drive respectively this light-emitting diode;
This driving power and synchronization signal generation apparatus receive this DC power supply and periodically produce a synchronizing signal; This driving power and synchronization signal generation apparatus transmit extremely respectively this light emitting diode drive device of this synchronizing signal via this transmission line; By this synchronizing signal respectively, synchronous respectively this light-emitting diode that drives of this light emitting diode drive device respectively.
2. improved light-emitting diode drive system as claimed in claim 1, is characterized in that, this light emitting diode drive device more comprises:
One oscillator, this oscillator is electrically connected to this voltage adjuster, this power-end points, this Synchronization Control logical circuit and this variations in light control circuit.
3. improved light-emitting diode drive system as claimed in claim 2, is characterized in that, this light emitting diode drive device more comprises:
One drive current control circuit, this drive current control circuit is electrically connected to this voltage adjuster, this power-end points and this variations in light control circuit.
4. improved light-emitting diode drive system as claimed in claim 3, is characterized in that, this light emitting diode drive device more comprises:
A plurality of drive current output circuits, respectively this drive current output circuit is electrically connected to this drive current control circuit and this light-emitting diode respectively.
5. improved light-emitting diode drive system as claimed in claim 4, is characterized in that, this driving power and synchronization signal generation apparatus comprise:
One first resistance, this first resistance is electrically connected to this rectifier;
One second resistance, this second resistance is electrically connected to this first resistance;
One first diode, this first diode is electrically connected to this rectifier and this first resistance;
One first electric capacity, this first electric capacity is electrically connected to this first diode;
One the 3rd resistance, the 3rd resistance is electrically connected to this first diode; And
One first electric crystal, this first electric crystal is electrically connected to this first resistance, this second resistance and the 3rd resistance.
6. improved light-emitting diode drive system as claimed in claim 5, is characterized in that, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to the 3rd resistance and this first electric crystal;
One second electric crystal, this second electric crystal is electrically connected to this first diode and this power positive end point;
One the 5th resistance, the 5th resistance is electrically connected to this power positive end point and this second electric crystal; And
One second electric capacity, this second electric capacity is electrically connected to this power positive end point and this second electric crystal.
7. improved light-emitting diode drive system as claimed in claim 5, is characterized in that, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to the 3rd resistance;
One second electric crystal, this second electric crystal is electrically connected to this first diode;
One the 5th resistance, the 5th resistance is electrically connected to this first diode;
One second electric capacity, this second electric capacity is electrically connected to this power positive end point;
One second diode, this second diode is electrically connected to this power positive end point, this second electric capacity and this first diode;
One the 6th resistance, the 6th resistance is electrically connected to the 5th resistance, this first electric crystal and this second electric crystal; And
One the 7th resistance, the 7th resistance is electrically connected to this second electric crystal and this second electric capacity.
8. improved light-emitting diode drive system as claimed in claim 5, is characterized in that, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to this first diode;
One second electric crystal, this second electric crystal is electrically connected to this first diode;
One the 5th resistance, the 5th resistance is electrically connected to the 4th resistance and this second electric crystal;
One second electric capacity, this second electric capacity is electrically connected to this power positive end point;
One second diode, this second diode is electrically connected to this power positive end point, this second electric capacity and this first diode;
One the 6th resistance, the 6th resistance is electrically connected to this second electric crystal and this second electric capacity; And
One the 3rd electric crystal, the 3rd electric crystal is electrically connected to this first electric crystal, the 3rd resistance and the 5th resistance.
9. improved light-emitting diode drive system as claimed in claim 5, is characterized in that, this driving power and synchronization signal generation apparatus more comprise:
One the 4th resistance, the 4th resistance is electrically connected to this first diode;
One second electric crystal, this second electric crystal is electrically connected to this first diode and this power positive end point;
One the 5th resistance, the 5th resistance is electrically connected to the 3rd resistance, this first electric crystal and this second electric crystal; And
One second electric capacity, this second electric capacity is electrically connected to this power positive end point and this second electric crystal.
10. improved light-emitting diode drive system as claimed in claim 9, is characterized in that, this driving power and synchronization signal generation apparatus more comprise:
One the 6th resistance, the 6th resistance is electrically connected to this power positive end point and this second electric crystal;
One the 3rd electric crystal, the 3rd electric crystal is electrically connected to this first resistance, this second resistance, this first electric crystal and the 4th resistance;
One the 7th resistance, the 7th resistance is electrically connected to the 6th resistance; And
One the 4th electric crystal, the 4th electric crystal is electrically connected to the 4th resistance, the 3rd electric crystal and this second electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159945.3U CN203788523U (en) | 2014-04-03 | 2014-04-03 | Improved light emitting diode driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159945.3U CN203788523U (en) | 2014-04-03 | 2014-04-03 | Improved light emitting diode driving system |
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| Publication Number | Publication Date |
|---|---|
| CN203788523U true CN203788523U (en) | 2014-08-20 |
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| CN201420159945.3U Expired - Lifetime CN203788523U (en) | 2014-04-03 | 2014-04-03 | Improved light emitting diode driving system |
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| CN (1) | CN203788523U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105472830A (en) * | 2014-09-04 | 2016-04-06 | 矽诚科技股份有限公司 | LED lamp, lamp string and system having recordable function |
| US9930734B2 (en) | 2014-10-22 | 2018-03-27 | Semisilicon Technology Corp. | Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function |
| US10462866B2 (en) | 2014-10-22 | 2019-10-29 | Semisilicon Technology Corp. | Burning address method for light emitting diode lamp |
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| US11570866B2 (en) | 2014-10-22 | 2023-01-31 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
| US11617241B2 (en) | 2014-10-22 | 2023-03-28 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
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2014
- 2014-04-03 CN CN201420159945.3U patent/CN203788523U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472830A (en) * | 2014-09-04 | 2016-04-06 | 矽诚科技股份有限公司 | LED lamp, lamp string and system having recordable function |
| CN105472830B (en) * | 2014-09-04 | 2019-06-07 | 矽诚科技股份有限公司 | With can recording function LED light lamp, lamp string and system |
| US9930734B2 (en) | 2014-10-22 | 2018-03-27 | Semisilicon Technology Corp. | Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function |
| US10462866B2 (en) | 2014-10-22 | 2019-10-29 | Semisilicon Technology Corp. | Burning address method for light emitting diode lamp |
| US10874010B2 (en) | 2014-10-22 | 2020-12-22 | Semisilicon Technology Corp. | Pixel-controlled LED light with burnable sequence and method of operating the same |
| US11570866B2 (en) | 2014-10-22 | 2023-01-31 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
| US11617241B2 (en) | 2014-10-22 | 2023-03-28 | Semisilicon Technology Corp. | Pixel-controlled LED light string and method of operating the same |
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