CN204377212U - LED drive system - Google Patents

LED drive system Download PDF

Info

Publication number
CN204377212U
CN204377212U CN201520055190.7U CN201520055190U CN204377212U CN 204377212 U CN204377212 U CN 204377212U CN 201520055190 U CN201520055190 U CN 201520055190U CN 204377212 U CN204377212 U CN 204377212U
Authority
CN
China
Prior art keywords
electrically connected
control unit
resistance
electric capacity
luminous signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520055190.7U
Other languages
Chinese (zh)
Inventor
彭文琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Semisilicon Technology Corp
Original Assignee
Semisilicon Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Semisilicon Technology Corp filed Critical Semisilicon Technology Corp
Priority to CN201520055190.7U priority Critical patent/CN204377212U/en
Application granted granted Critical
Publication of CN204377212U publication Critical patent/CN204377212U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model discloses a kind of LED drive system, it is applied to a LED light string; This LED drive system comprises a switch element, a control unit and a luminous signal generation unit; This switch element comprises a power input, a power output end and a controlled end.This power output end is electrically connected to this LED light string; This control unit is electrically connected to this switch element; This luminous signal generation unit is electrically connected to this control unit and this power output end.When this control unit controls this switch element not conducting, this luminous signal generation unit produces a luminous signal; This luminous signal generation unit transmits this luminous signal to this LED light string.

Description

LED drive system
Technical field
The utility model has about a kind of drive system, particularly a kind of LED drive system.
Background technology
Current LED string light module can be divided into tandem and parallel two kinds of mode of connection haply, and the LED string light module of these two kinds of modes is also extensively used in building outward appearance, trees, signboard by user and makes on scenery, beautiful with the outward appearance increasing these things.
And at known in-line LED string light module, by the LED string light module attached in series organized together more, and the serial number of LED string light module is determined according to the object volume size of coiling, and controlled by the LED light lamp group of controller to all LED string light modules of first LED string light module after concatenation.
Although, this in-line mode of connection, make LED string light module be easy to series connection to use, but in use, as long as when having one group of LED string light module fault, control signal will be caused to transmit, cause the LED string light module of the back segment of the LED string light module of this group fault not receive any control signal, cause the LED string light module of back segment all cannot be lit.
In addition, be that each LED string light module will have a control line and addressed line to control more by the LED string light module organized and this controller parallel connections at parallel LED string light module.If during the LED string light module of 10 groups in parallel, this controller just must utilize 10 control lines and 10 addressed line to control 10 groups of LED string light modules.
This in use parallel, when having one group of LED string light module to break down, the control of other LED string light modules can not be had influence on.But, when LED string light module quantity in parallel is more, relation control line and addressed line more, causes the complexity of circuit, not easily make, and cost is high.
No matter but be tandem or parallel mode of connection, all need to use most power lines or signal line, reach the object making LED string light module variations in light.And when raw material goes up day by day serious now, the use that can reduce transmission line just can reduce costs widely.
Utility model content
For improving the shortcoming of above-mentioned known technology, the purpose of this utility model is to provide a kind of LED drive system.
For reaching above-mentioned purpose of the present utility model, LED drive system of the present utility model is applied to a LED light string, this LED drive system comprises: a switch element, this switch element comprises a power input, a power output end and a controlled end, and this power output end is electrically connected to this LED light string; One control unit, this control unit is electrically connected to this switch element; And a luminous signal generation unit, this luminous signal generation unit is electrically connected to this control unit and this power output end.Wherein when this control unit controls this switch element not conducting, this luminous signal generation unit produces a luminous signal; This luminous signal generation unit transmits this luminous signal to this LED light string.
Effect of the present utility model is luminous signal to load on the power line to reduce the use of transmission line.
Accompanying drawing explanation
Fig. 1 is the first embodiment calcspar of LED drive system of the present utility model;
Fig. 2 is the second embodiment calcspar of LED drive system of the present utility model;
Fig. 3 is the 3rd embodiment calcspar of LED drive system of the present utility model;
Fig. 4 is the 4th embodiment calcspar of LED drive system of the present utility model;
Fig. 5 is the 5th embodiment calcspar of LED drive system of the present utility model;
Fig. 6 is an embodiment oscillogram of luminous signal of the present utility model.
Description of reference numerals
LED drive system 10
LED light string 20
AC power feeding mechanism 30
Secondary LED light string 40
Switch element 102
Control unit 104
Luminous signal generation unit 106
Zener diode 108
First electric capacity 110
Second electric capacity 112
3rd electric capacity 114
First resistance 116
Bridge-type end resistance 118
Load capacitance 120
Bridge rectifier 122
Filter capacitor 124
First connector 126
Secondary switch element 128
Secondary control unit 130
Secondary luminous signal generation unit 132
Switch subelement 134
Secondary Zener diode 136
Secondary first electric capacity 138
Secondary second electric capacity 140
Secondary bridge-type end resistance 142
Secondary load capacitance 144
First divider resistance 146
Second divider resistance 148
Secondary bridge rectifier 150
Secondary filter capacitor 152
Second connector 154
Inductance 156
Second resistance 158
3rd resistance 160
4th resistance 166
Button 168
Transistor switch 170
Power input 10202
Power output end 10204
Controlled end 10206
Divider resistance 10602
Signal produces end Zener diode 10604
Signal produces end electric capacity 10606
Signal produces end diode 10608
Secondary source input 12802
Secondary source output 12804
Secondary controlled end 12806
Secondary divider resistance 13202
Secondary signal produces end Zener diode 13204
Secondary signal produces end electric capacity 13206
Secondary signal produces end diode 13208.
Embodiment
Relevant detailed description of the present utility model and technology contents, refer to following detailed description and accompanying drawing is described as follows, and accompanying drawing and detailed description are as illustrative purposes only, not for limiting the utility model.
Please refer to Fig. 1, it is the first embodiment calcspar of LED drive system of the present utility model; One LED drive system 10 is applied to LED light string 20 and an AC power feeding mechanism 30.This LED drive system 10 comprises the luminous signal generation unit 106 of switch element 102, control unit 104, Zener diode 108,1 first electric capacity 110,1 second electric capacity 112,1 the 3rd electric capacity 114,1 first resistance 116, one bridge-type end resistance 118, one load capacitance 120, bridge rectifier 122, filter capacitor 124 and one first connector 126.
This switch element 102 comprises power input 10202, power output end 10204 and a controlled end 10206.This luminous signal generation unit 106 comprises divider resistance 10602, signal and produces end Zener diode 10604, signal generation end electric capacity 10606 and signal generation end diode 10608.
This power output end 10204 is electrically connected to this LED light string 20; This control unit 104 is electrically connected to this switch element 102; This luminous signal generation unit 106 is electrically connected to this control unit 104 and this power output end 10204; This Zener diode 108 is electrically connected to this control unit 104; This first electric capacity 110 is electrically connected to this control unit 104; This second electric capacity 112 is electrically connected to this control unit 104 and this controlled end 10206; 3rd electric capacity 114 is electrically connected to this control unit 104; This first resistance 116 is electrically connected to the 3rd electric capacity 114; This bridge-type end resistance 118 is electrically connected to this first resistance 116; This load capacitance 120 is electrically connected to this bridge-type end resistance 118; This bridge rectifier 122 is electrically connected to this control unit 104 and this power input 10202; This filter capacitor 124 is electrically connected to this control unit 104 and this power input 10202; This first connector 126 is electrically connected to this LED light string 20, this AC power feeding mechanism 30, this bridge rectifier 122, this first resistance 116 and this bridge-type end resistance 118; This divider resistance 10602 is electrically connected to this control unit 104; This signal produces end Zener diode 10604 and is electrically connected to this divider resistance 10602; This signal produces end electric capacity 10606 and is electrically connected to this divider resistance 10602; This signal produces end diode 10608 and is electrically connected to this divider resistance 10602 and this power output end 10204.
When this control unit 104 controls this switch element 102 not conducting, this luminous signal generation unit 106 produces a luminous signal; This luminous signal generation unit 106 transmits this luminous signal to this LED light string 20.Please refer to Fig. 6, it is an embodiment oscillogram of luminous signal of the present utility model.
Moreover the AC power that this AC power feeding mechanism 30 transmits is after the element process such as this load capacitance 120, this bridge rectifier 122, this filter capacitor 124 and this first electric capacity 110, and this AC power changes a DC power supply into.When not producing and transmit this luminous signal, this control unit 104 controls this switch element 102 conducting, and this DC power supply is transferred into this LED light string 20 to drive this LED light string 20; When this control unit 104 controls this switch element 102 not conducting, namely this luminous signal generation unit 106 receives this DC power supply and produces this luminous signal; This luminous signal generation unit 106 transmits this luminous signal to this LED light string 20; After this LED light string 20 receives this luminous signal, namely this LED light string 20 produces shinny change.
This luminous signal is a pulse wave signal, and this signal produces end Zener diode 10604 in order to determine the amplitude of this pulse wave signal; This switch element 102 is a PMOS; This Zener diode 108 provides this control unit 104 driving power; This first electric capacity 110 is in order to filtering; This divider resistance 10602 is in order to dividing potential drop; This signal produces end electric capacity 10606 in order to filtering; This signal produces end diode 10608 in order to rectification.
This load capacitance 120 is used as load and is used; Such as, this AC power is such as 110 volts, each light-emitting diode in this LED light string 20 consumes 3 volts, then this LED light string 20 can comprise about 36 light-emitting diodes, if this LED light string 20 in fact only comprises 26 light-emitting diodes, then unnecessary energy will be absorbed by this load capacitance 120.
Please refer to Fig. 2, it is the second embodiment calcspar of LED drive system of the present utility model; And please also refer to Fig. 1.This LED drive system 10 shown in Fig. 2 can link by one second connector 154 and this first connector 126 with this LED drive system 10 shown in Fig. 1; In other words, at a specific embodiment, this LED drive system 10 shown in Fig. 1 can be an independently LED drive system; At another specific embodiment, this LED drive system 10 shown in Fig. 1 can be a part for this LED drive system 10, and this LED drive system 10 shown in Fig. 2 is another part of this LED drive system 10.
This LED drive system 10 is more applied to a LED light string 40; This LED drive system 10 more comprises a switch element 128, control unit 130, once luminous signal generation unit 132, switch subelement 134, Zener diode 136, first electric capacity 138, second electric capacity 140, bridge-type end resistance 142, load capacitance 144,1 first divider resistance 146,1 second divider resistance 148, bridge rectifier 150, filter capacitor 152 and this second connector 154.
This time switch element 128 comprises primary power source input 12802, primary power source output 12804 and a controlled end 12806.This luminous signal generation unit 132 comprises a divider resistance 13202, signal and produces end Zener diode 13204, signal generation end electric capacity 13206 and a signal generation end diode 13208.
This secondary source output 12804 is electrically connected to this LED light string 40; This secondary source input 12802 is electrically connected to this control unit 104; This time control unit 130 is electrically connected to this switch element 128; This time luminous signal generation unit 132 is electrically connected to this control unit 130 and this secondary source output 12804; This switch subelement 134 is electrically connected to this control unit 130 and this LED light string 20; This time Zener diode 136 is electrically connected to this control unit 130; This time first electric capacity 138 is electrically connected to this control unit 130; This time second electric capacity 140 is electrically connected to this control unit 130 and this controlled end 12806; This time bridge-type end resistance 142 is electrically connected to this control unit 130; This time load capacitance 144 is electrically connected to this bridge-type end resistance 142; This first divider resistance 146 is electrically connected to this control unit 130; This second divider resistance 148 is electrically connected to this first divider resistance 146 and this switch subelement 134; This time bridge rectifier 150 is electrically connected to this control unit 130 and this secondary source input 12802; This time filter capacitor 152 is electrically connected to this control unit 130 and this secondary source input 12802; This second connector 154 is electrically connected to this bridge rectifier 150, this bridge-type end resistance 142, this load capacitance 144, this switch subelement 134, this LED light string 40 and this AC power feeding mechanism 30; This time divider resistance 13202 is electrically connected to this control unit 130; This signal produces end Zener diode 13204 and is electrically connected to this divider resistance 13202; This signal produces end electric capacity 13206 and is electrically connected to this divider resistance 13202; This signal produces end diode 13208 and is electrically connected to this divider resistance 13202 and this secondary source output 12804.
When this switch subelement 134 receives this luminous signal, this switch subelement 134 conducting; When this switch subelement 134 conducting, this time control unit 130 detects this switch subelement 134 conducting, and then this control unit 130 controls the not conducting of this switch element 128, and then this luminous signal generation unit 132 produces once luminous signal; This time luminous signal generation unit 132 transmits this luminous signal to this LED light string 40.In other words, this luminous signal equals this luminous signal; Therefore, the variations in light of this LED light string 40 is identical with the variations in light of this LED light string 20.
Moreover after this AC power process this load capacitance 144 that this AC power feeding mechanism 30 transmits, this bridge rectifier 150 and this filter capacitor 152 etc. element process, this AC power changes a DC power supply into.When this switch subelement 134 does not receive this luminous signal, this switch subelement 134 not conducting; When this switch subelement 134 not conducting, this time control unit 130 detects this switch subelement 134 not conducting, then this control unit 130 controls the conducting of this switch element 128, and this time namely DC power supply is transferred into this LED light string 40 to drive this LED light string 40.
When this switch subelement 134 receives this luminous signal, this switch subelement 134 conducting; When this switch subelement 134 conducting, this time control unit 130 detects this switch subelement 134 conducting, then this control unit 130 controls the not conducting of this switch element 128, and then namely this luminous signal generation unit 132 receive this DC power supply and produce this luminous signal; This time luminous signal generation unit 132 transmits this luminous signal to this LED light string 40; After this time LED light string 40 receives this luminous signal, this time namely LED light string 40 produces shinny change.
This luminous signal is a pulse wave signal, and this signal produces end Zener diode 13204 in order to determine the amplitude of this pulse wave signal; This time switch element 128 is a PMOS; This switch subelement 134 is a NMOS; This Zener diode 136 is in order to provide this control unit 130 driving power; This time first electric capacity 138 is in order to filtering; This divider resistance 13202 is in order to dividing potential drop; This time signal produces end electric capacity 13206 in order to filtering; This time signal produces end diode 13208 in order to rectification.
This load capacitance 144 is used as load and is used; Such as, this AC power is such as 110 volts, each light-emitting diode in this LED light string 40 consumes 3 volts, then this LED light string 40 can comprise about 36 light-emitting diodes, if this time LED light string 40 in fact only comprises 26 light-emitting diodes, then unnecessary energy will be absorbed by this load capacitance 144.
Please refer to Fig. 3, it is the 3rd embodiment calcspar of LED drive system of the present utility model; Element shown in Fig. 3 describes similar to Fig. 1, is succinct factor, repeats no more in this.Moreover this LED drive system 10 is more applied to LED light string 40 at least one times; This LED drive system 10 more comprises at least one first connector 126 and at least one second connector 154; This first connector 126 is electrically connected to this power output end 10204 and this luminous signal generation unit 106; This second connector 154 is electrically connected to this first connector 126 and this LED light string 40.
When this control unit 104 controls this switch element 102 not conducting, this luminous signal generation unit 106 produces this luminous signal; This luminous signal generation unit 106 transmits this luminous signal to this LED light string 40 by this first connector 126 and this second connector 154.The quantity of the light-emitting diode that this LED light string 20 comprises equals the quantity of the light-emitting diode that this LED light string 40 comprises; Such as, this AC power is such as 110 volts, each light-emitting diode consumes 3 volts, the then quantity about 36 of light-emitting diode altogether, if the quantity of this LED light string 40 is two (namely as shown in Figure 3), the quantity of light-emitting diode that then this LED light string 20 comprises is 12, and the quantity of light-emitting diode that each this LED light string 40 comprises also is 12.
Refer again to Fig. 1.A specific embodiment of the present utility model is for removing this first connector 126.When this LED drive system 10 parallel connection application of plural number, this bridge-type end resistance 118, this first resistance 116 and the 3rd electric capacity 114 can synchronous shinny changes in order to those LED light strings 20 making those LED drive systems 10 drive.
Please refer to Fig. 4, it is the 4th embodiment calcspar of LED drive system of the present utility model; Element shown in Fig. 4 describes similar to Fig. 1, is succinct factor, repeats no more in this.Moreover, this LED drive system 10 more comprise Zener diode 108,1 first electric capacity 110,1 second electric capacity 112,1 first resistance 116, one bridge-type end resistance 118, one load capacitance 120, bridge rectifier 122, filter capacitor 124, inductance 156,1 second resistance 158,1 the 3rd resistance 160, one the 4th resistance 166 and a button 168.
This Zener diode 108 is electrically connected to this control unit 104; This first electric capacity 110 is electrically connected to this control unit 104; This second electric capacity 112 is electrically connected to this control unit 104; This first resistance 116 is electrically connected to this control unit 104; This bridge-type end resistance 118 is electrically connected to this first resistance 116; This load capacitance 120 is electrically connected to this bridge-type end resistance 118; This bridge rectifier 122 is electrically connected to this bridge-type end resistance 118 and this load capacitance 120; And this filter capacitor 124 is electrically connected to this control unit 104; This inductance 156 is electrically connected to this bridge rectifier 122 and this control unit 104; This second resistance 158 is electrically connected to this control unit 104; 3rd resistance 160 is electrically connected to this control unit 104; 4th resistance 166 is electrically connected to this control unit 104 and this controlled end 10206; This button 168 is electrically connected to this control unit 104.
Moreover this inductance 156 is in order to filtering surging; This control unit 104 control this switch element 102 time, 4th resistance 166 in order to current limliting and make this switch element 102 keep conducting (this control unit 104 has the time of homing action, the output signal being this control unit 104 in this time internal cause is failed to understand, so this switch element 102 may conducting also may not conducting, and in the time that the 4th resistance 166 can ensure homing action, this switch element 102 keeps conducting).
Moreover, when this button 168 is pressed, this control unit 104 can receive press signal, and the output connecting pin that this control unit 104 is used for controlling this switch element 102 has different signal generations, and this LED light string 20 can be made to produce different shinny changes.The utility model also can have the function of remote control, similar when action and this button 168 are pressed.
Please refer to Fig. 5, it is the 5th embodiment calcspar of LED drive system of the present utility model; Element shown in Fig. 5 describes similar to Fig. 1 ~ 4, is succinct factor, repeats no more in this.Moreover this LED drive system 10 more comprises a transistor switch 170; This transistor switch 170 is electrically connected to this control unit 104, this power input 10202 and this divider resistance 10602.This transistor switch 170 is subject to this control unit 104 and controls: when this switch element 102 not conducting time, this transistor switch 170 conducting, makes this luminous signal generation unit 106 start action (as previously mentioned); When this switch element 102 conducting time, this i.e. not conducting of transistor switch 170.Moreover this switch element 102 and this transistor switch 170 also can simultaneously not conductings, and now this LED drive system 10 enters standby mode.
Effect of the present utility model is luminous signal to load on the power line to reduce the use of transmission line.
The above, be only preferred embodiment of the present utility model, and when not limiting the scope of the utility model enforcement, namely every equalization done according to the utility model claim changes and modifies, and still should belong to the category of claim of the present utility model protection.

Claims (10)

1. a LED drive system, it is applied to a LED light string, it is characterized in that, this LED drive system comprises:
One switch element, this switch element comprises a power input, a power output end and a controlled end, and this power output end is electrically connected to this LED light string;
One control unit, this control unit is electrically connected to this switch element; And
One luminous signal generation unit, this luminous signal generation unit is electrically connected to this control unit and this power output end,
Wherein when this control unit controls this switch element not conducting, this luminous signal generation unit produces a luminous signal; This luminous signal generation unit transmits this luminous signal to this LED light string.
2. LED drive system as claimed in claim 1, it is characterized in that, this luminous signal generation unit comprises:
One divider resistance, this divider resistance is electrically connected to this control unit;
One signal produces end Zener diode, and this signal produces end Zener diode and is electrically connected to this divider resistance;
One signal produces end electric capacity, and this signal produces end electric capacity and is electrically connected to this divider resistance; And
One signal produces end diode, and this signal produces end diode and is electrically connected to this divider resistance and this power output end.
3. LED drive system as claimed in claim 2, is characterized in that, more comprise:
Zener diode, this Zener diode is electrically connected to this control unit;
One first electric capacity, this first electric capacity is electrically connected to this control unit;
One second electric capacity, this second electric capacity is electrically connected to this control unit and this controlled end;
One the 3rd electric capacity, the 3rd electric capacity is electrically connected to this control unit;
One first resistance, this first resistance is electrically connected to the 3rd electric capacity;
One bridge-type end resistance, this bridge-type end resistance is electrically connected to this first resistance; And
One load capacitance, this load capacitance is electrically connected to this bridge-type end resistance.
4. LED drive system as claimed in claim 1, it is characterized in that, be more applied to a LED light string, this LED drive system more comprises:
A switch element, this time switch element comprises primary power source input, primary power source output and a controlled end, and this secondary source output is electrically connected to this LED light string, and this secondary source input is electrically connected to this control unit;
A control unit, this time control unit is electrically connected to this switch element;
Once luminous signal generation unit, this time luminous signal generation unit is electrically connected to this control unit and this secondary source output; And
One switch subelement, this switch subelement is electrically connected to this control unit and this LED light string,
Wherein when this switch subelement receives this luminous signal, this switch subelement conducting;
Wherein when this switch subelement conducting, this time control unit detects this switch subelement conducting, and then this time controls the not conducting of unit controls this switch element, and then this luminous signal generation unit produces once luminous signal; This time luminous signal generation unit transmits this luminous signal to this LED light string.
5. LED drive system as claimed in claim 4, it is characterized in that, this time luminous signal generation unit comprises:
A divider resistance, this time divider resistance is electrically connected to this control unit;
One time signal produces end Zener diode, and this signal produces end Zener diode and be electrically connected to this divider resistance;
One time signal produces end electric capacity, and this signal produces end electric capacity and be electrically connected to this divider resistance; And
One time signal produces end diode, and this signal produces end diode and be electrically connected to this divider resistance and this secondary source output.
6. LED drive system as claimed in claim 5, is characterized in that, more comprise:
A Zener diode, this time Zener diode is electrically connected to this control unit;
First electric capacity, this time first electric capacity is electrically connected to this control unit;
Second electric capacity, this time second electric capacity is electrically connected to this control unit and this controlled end;
A bridge-type end resistance, this time bridge-type end resistance is electrically connected to this control unit;
A load capacitance, this time load capacitance is electrically connected to this bridge-type end resistance;
One first divider resistance, this first divider resistance is electrically connected to this control unit; And
One second divider resistance, this second divider resistance is electrically connected to this first divider resistance and this switch subelement.
7. LED drive system as claimed in claim 1, it is characterized in that, be more applied to LED light string at least one times, this LED drive system more comprises:
At least one first connector, this first connector is electrically connected to this power output end and this luminous signal generation unit; And
At least one second connector, this second connector is electrically connected to this first connector and this LED light string,
Wherein when this control unit controls this switch element not conducting, this luminous signal generation unit produces this luminous signal; This luminous signal generation unit transmits this luminous signal to this LED light string by this first connector and this second connector;
The quantity of light-emitting diode that wherein this LED light string comprises equals the quantity of the light-emitting diode that this LED light string comprises.
8. LED drive system as claimed in claim 1, it is characterized in that, this luminous signal generation unit comprises:
One signal produces end electric capacity, and this signal produces end electric capacity and is electrically connected to this switch element; And
One signal produces end resistance, and this signal produces end resistance and is electrically connected to this switch element.
9. LED drive system as claimed in claim 8, is characterized in that, more comprise:
Zener diode, this Zener diode is electrically connected to this control unit;
One first electric capacity, this first electric capacity is electrically connected to this control unit;
One second electric capacity, this second electric capacity is electrically connected to this control unit;
One first resistance, this first resistance is electrically connected to this control unit;
One bridge-type end resistance, this bridge-type end resistance is electrically connected to this first resistance;
One load capacitance, this load capacitance is electrically connected to this bridge-type end resistance;
One bridge rectifier, this bridge rectifier is electrically connected to this bridge-type end resistance and this load capacitance; And
One filter capacitor, this filter capacitor is electrically connected to this control unit.
10. LED drive system as claimed in claim 9, is characterized in that, more comprise:
One inductance, this inductance is electrically connected to this bridge rectifier and this control unit;
One second resistance, this second resistance is electrically connected to this control unit;
One the 3rd resistance, the 3rd resistance is electrically connected to this control unit;
One the 4th resistance, the 4th resistance is electrically connected to this control unit and this controlled end; And
One button, this button is electrically connected to this control unit.
CN201520055190.7U 2015-01-27 2015-01-27 LED drive system Active CN204377212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520055190.7U CN204377212U (en) 2015-01-27 2015-01-27 LED drive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520055190.7U CN204377212U (en) 2015-01-27 2015-01-27 LED drive system

Publications (1)

Publication Number Publication Date
CN204377212U true CN204377212U (en) 2015-06-03

Family

ID=53333385

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520055190.7U Active CN204377212U (en) 2015-01-27 2015-01-27 LED drive system

Country Status (1)

Country Link
CN (1) CN204377212U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105992424A (en) * 2015-01-27 2016-10-05 矽诚科技股份有限公司 Light-emitting diode driving system
TWI561113B (en) * 2015-06-30 2016-12-01 Semisilicon Technology Corp Light emitting diode lamp string driving system
CN106322188A (en) * 2015-07-10 2017-01-11 矽诚科技股份有限公司 Light-emitting diode string lamp drive system
US9572214B1 (en) 2015-08-24 2017-02-14 Semisilicon Technology Corp. Light emitting diode lamp string driving system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105992424A (en) * 2015-01-27 2016-10-05 矽诚科技股份有限公司 Light-emitting diode driving system
CN105992424B (en) * 2015-01-27 2018-09-28 矽诚科技股份有限公司 LED drive system
TWI561113B (en) * 2015-06-30 2016-12-01 Semisilicon Technology Corp Light emitting diode lamp string driving system
CN106322188A (en) * 2015-07-10 2017-01-11 矽诚科技股份有限公司 Light-emitting diode string lamp drive system
CN106322188B (en) * 2015-07-10 2018-09-21 矽诚科技股份有限公司 LED light string drive system
US9572214B1 (en) 2015-08-24 2017-02-14 Semisilicon Technology Corp. Light emitting diode lamp string driving system

Similar Documents

Publication Publication Date Title
CN103533705B (en) LED drives light adjusting circuit
CN204377212U (en) LED drive system
TWI543664B (en) Light emitting diode driving system
CN101636023B (en) Light emitting diode control system using carrier signals
CN204157099U (en) A kind of LED cascade control circuit and LED series controller
CN102781146B (en) driving circuit of light emitting diode string and driving method thereof
CN101916548A (en) Control circuit of light-emitting diode (LED) lamp tube of liquid crystal display
CN105992424B (en) LED drive system
CN205584562U (en) Emitting diode actuating system with luminous signal is stated from power line
US20120049751A1 (en) Transformer-free led lighting device directly utilizing the ac power from city electricity
CN201893981U (en) Light-emitting diode (LED) spotlight drive circuit
CN201331030Y (en) LED circuit
CN102186288B (en) Intelligent LED (Light Emitting Diode) driving chip
CN204652745U (en) A kind of constant current driver circuit for LED
CN203934047U (en) A kind of LED drive circuit
CN103363431A (en) Full-color adjusting method of LED lamp and full-color LED lamp
CN202652594U (en) Light emitting diode driver possessing protection path
CN202652646U (en) Universal light modulator
CN201859160U (en) Aged load booster circuit
CN203968460U (en) Improved light emitting diode drive system and light emitting diode drive device
CN209593839U (en) A kind of timing lamp circuit
CN207179281U (en) A kind of Novel LED lamp
CN203761660U (en) Light-emitting diode contour lamp system
CN106322188A (en) Light-emitting diode string lamp drive system
CN206136367U (en) Multi -functional intelligent house LED lamp

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant