CN207869452U - A kind of exchange LED multi-path control circuit - Google Patents
A kind of exchange LED multi-path control circuit Download PDFInfo
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- CN207869452U CN207869452U CN201820034880.8U CN201820034880U CN207869452U CN 207869452 U CN207869452 U CN 207869452U CN 201820034880 U CN201820034880 U CN 201820034880U CN 207869452 U CN207869452 U CN 207869452U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model discloses a kind of exchange LED multi-path control circuits,Its key points of the technical solution are that including main line,N subordinate line,And controller,n≥1,The input of the controller is AC power,Controller has n control terminal,Each control terminal connects one to one with each subordinate line,LED light string location is each connected between subordinate line and main line,Every group of LED light string location includes several LED lamp beads and resistance,Every group of LED light string location divides two-way,It is in parallel with several LED lamp bead negative directions of this group of another way per several LED lamp beads in road,It concatenates again on several resistance to any subordinate line,The utility model only needs three-line that can realize that the control etc. of six paths of LEDs may be implemented in the control of four paths of LEDs or four circuits,Entire circuit structure wiring is simple,Greatly reduce production cost,Improve production efficiency.
Description
Technical field
The utility model is related to LED control circuit, more particularly to a kind of exchange LED multi-path control circuit.
Background technology
Light emitting diode is referred to as LED.By containing gallium（Ga）, arsenic（As）, phosphorus（P）, nitrogen（N）Deng compound be made.
Visible light can be given off when electronics and hole-recombination, thus can be used for that light emitting diode is made.In circuit and
Indicator light, or composition word or number display are used as in instrument.Gallium arsenide diode glows, gallium phosphide diode greening
Light, silicon carbide diode Yellow light-emitting low temperature, gallium nitride diode blue light-emitting.Because chemical property is divided into Organic Light Emitting Diode OLED and nothing
Machine Light-emitting diode LED.In existing LED light strip lamp string, usually it is designed using a plurality of circuit, and the line construction is multiple
It is miscellaneous, it is of high cost.
Such as：
1. in the driving of four paths of LEDs, it usually needs five circuits could realize, an intermediate public main line of conduct, in addition
Four are respectively all the way, at most to realize that four roads drive on five circuits, cost is higher.
2. in the prior art if to realize that four paths of LEDs drive, it is necessary to five circuits, if to realize that six paths of LEDs drive
Dynamic just to need seven circuits, wire structures are complicated, and cost is higher.
In view of the foregoing drawbacks, it is worth solving.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of exchange LED multi-path control electricity
Road has and reduces circuit, reduces cost advantage.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of exchange LED multi-path
The input of control circuit, including main line, n subordinate line and controller, n >=1, the controller is AC power, controls utensil
There are n control terminal, each control terminal to connect one to one with each subordinate line, LED light string is connected between each subordinate line and main line
Unit, every group of LED light string location include several LED lamp beads and resistance, and every group of LED light string location divides two-way, per several LED light in road
Pearl is in parallel with several LED lamp bead negative directions of this group of another way, then concatenates on several resistance to any subordinate line.
By above-mentioned setting, such as when n is equal to 2, this programme only needs three-line, 2 subordinate lines and 1 main line, every group of LED
Lamp string unit divides two-way, that is, the control of four paths of LEDs may be implemented；Such as n is when being equal to 3, realizes that four circuits can be with
Control to six paths of LEDs, and so on.Entire circuit structure wiring is simple, greatly reduces production cost, improves production effect
Rate.
Concrete scheme as the utility model can be preferably：The main line and subordinate line are electric wire, enameled wire or FPC
Flexible circuitry.
By above-mentioned setting, numerous embodiments may be implemented in electric wire, enameled wire or FPC flexible circuitries, and performance is stablized,
Stable signal transmission, service life are longer.
Concrete scheme as the utility model can be preferably：The controller includes microcontroller, and microcontroller has big
In equal to n input and output pin, the input and output pin connection subordinate line is used to export the control signal of cycle.
By above-mentioned setting, microcontroller can choose any device with definable input and output pin from the market
Part, such as disclosing wider PIC single chip microcomputer, AVR single chip etc. can.
Concrete scheme as the utility model can be preferably：When n is 3, the controller further includes firewire L, zero curve
N, resistance R1, resistance R2, capacitance C1, capacitance C2, switch S1, bidirectional triode thyristor Q1, bidirectional triode thyristor Q2, bidirectional triode thyristor Q3,
Voltage-stabiliser tube Z1 and diode D1；First pin of microcontroller is Vcc, the 8th pin is GND, remaining pin is definable
Input and output pin；
The cathode of the first pin connection voltage-stabiliser tube Z1 of microcontroller, anode, the zero curve N of capacitance C1,
First end, the first end of capacitance C2 of the second pin connection resistance R1 of microcontroller,
4th pin of microcontroller is grounded by switch S1, the second end ground connection of capacitance C2；
It the anode of the 8th pin connection voltage-stabiliser tube Z1 of microcontroller, the cathode of capacitance C1, the anode of diode D1 and connects
Ground terminal；
Second end, the first end and main line of resistance R2 of firewire L connection resistance R1；
The cathode of the second end connection diode D1 of resistance R2；
7th pin of the ends the G connection microcontroller of bidirectional triode thyristor Q1, the ends the T1 connection zero curve N of bidirectional triode thyristor Q1 are double
First subordinate line is connected to the ends T2 of silicon-controlled Q1；
6th pin of the ends the G connection microcontroller of bidirectional triode thyristor Q2, the ends the T1 connection zero curve N of bidirectional triode thyristor Q2 are double
Second subordinate line is connected to the ends T2 of silicon-controlled Q2；
5th pin of the ends the G connection microcontroller of bidirectional triode thyristor Q3, the ends the T1 connection zero curve N of bidirectional triode thyristor Q3 are double
Third subordinate line is connected to the ends T2 of silicon-controlled Q3.
By above-mentioned setting, the input of power supply uses alternating current, such as alternating current 220V, takes electricity convenient, control is effective.
Concrete scheme as the utility model can be preferably：The microcontroller second pin receives AC signal and is used for
Detect the zero crossing of AC signal.
By above-mentioned setting, the zero crossing of AC signal is sampled by microcontroller, is judged to obtain control
Benchmark.
Concrete scheme as the utility model can be preferably：The capacitance C1 is electrolytic capacitor, and capacitance C2 is nothing
Polar capacitor, switch S1 are touch-switch.
It by above-mentioned setting, is controlled, the pattern of the various flicker saltus steps of LED can be cut by touch-switch
It changes.
Concrete scheme as the utility model can be preferably：On the main line and connect multigroup LED light string location；
First group of LED light string location is divided into two-way：First via LED light and the second paths of LEDs lamp；
Second group of LED light string location is divided into two-way：Third paths of LEDs lamp and the 4th paths of LEDs lamp；
Third group LED light string location is divided into two-way：5th paths of LEDs lamp and the 6th paths of LEDs lamp；
Per the LED lamp bead series connection in paths of LEDs lamp,
First via LED light and the second paths of LEDs lamp reverse parallel connection, first group of LED light string location are connected to by several resistance
On first subordinate line；
Third paths of LEDs lamp and the 4th paths of LEDs lamp reverse parallel connection, second group of LED light string location are connected to by several resistance
On second subordinate line；
5th paths of LEDs lamp and the 6th paths of LEDs lamp reverse parallel connection, third group LED light string location are connected to by several resistance
On third subordinate line.
By above-mentioned setting, LED multi-path light on and off effect is various so that lighting effects are protruded.LED multi-path connection structure letter
It is single, it is higher to manufacture efficiency.
Concrete scheme as the utility model can be preferably：The switch S1 is remote control switch or infrared receiving terminal.
By above-mentioned setting, remote control can be carried out, it is easy to operation.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：The utility model only passes through three lines
Road can realize that the control of six paths of LEDs is realized in the control of four paths of LEDs or four circuits, and entire circuit structure wiring is simple, real
It applies conveniently, greatly reduces production cost, improve production efficiency.
Description of the drawings
Fig. 1 is the circuit diagram of the controller of embodiment 1；
Fig. 2 is the connection circuit structure diagram between each LED light string location of embodiment 1；
Fig. 3 is the sequence diagram of the controller of embodiment 1.
Reference numeral：100, main line；200, subordinate line；210, first subordinate line；220, second subordinate line；230, third is auxiliary
Line；300, controller；310, microcontroller；410, first group of LED light string location；411, first via LED light；412, the second paths of LEDs
Lamp；420, second group of LED light string location；421, third paths of LEDs lamp；422, the 4th paths of LEDs lamp；430, third group LED light string list
Member；431, the 5th paths of LEDs lamp；432, the 6th paths of LEDs lamp.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：
A kind of exchange LED multi-path control circuit, as shown in Figure 1, including main line 100, n subordinate line 200 and controller
300, n >=1, n are positive integer, and the input of controller 300 is AC power, and controller 300 has n control terminal, each control
End connects one to one with each subordinate line 200.In the present embodiment, it is mainly illustrated by taking n=3 as an example.
Main line 100 and subordinate line 200 are electric wire, enameled wire or FPC flexible circuitries.Electric wire, enameled wire or FPC flexible wires
Numerous embodiments may be implemented in road, and performance is stablized, stable signal transmission, and service life is longer.
Controller 300 includes microcontroller 310, and microcontroller 310, which has, is more than or equal to n input and output pin, input and output
Pin connection subordinate line 200 is used to export the control signal of cycle.Input and output pin is also referred to as I/O pins.Microcontroller 310 can be with
The device of any input and output pin that has and can define is chosen from the market, such as discloses wider PIC single chip microcomputer 310, AVR
Microcontroller 310 etc. can.
N be 3 when, controller 300 further include firewire L, zero curve N, resistance R1, resistance R2, capacitance C1, capacitance C2, switch S1,
Bidirectional triode thyristor Q1, bidirectional triode thyristor Q2, bidirectional triode thyristor Q3, voltage-stabiliser tube Z1 and diode D1；The first of microcontroller 310
Pin is Vcc, the 8th pin is GND, remaining pin is definable input and output pin.Outside firewire L, zero curve N connections
Alternating current 220V.
Above-mentioned described input and output pin is specially with following the 5th pin, the 6th pin, the 7th pins drawn.
The cathode of the first pin connection voltage-stabiliser tube Z1 of microcontroller 310, anode, the zero curve N of capacitance C1, microcontroller 310
Second pin connects first end, the first end of capacitance C2 of resistance R1, and the 4th pin of microcontroller 310 is grounded by switch S1,
The second end of capacitance C2 is grounded；The anode of the 8th pin connection voltage-stabiliser tube Z1 of microcontroller 310, cathode, the diode of capacitance C1
The anode and ground terminal of D1；Second end, the first end of resistance R2 and the main line 100 of firewire L connection resistance R1；Resistance R2's
Second end connects the cathode of diode D1；7th pin of the ends the G connection microcontroller 310 of bidirectional triode thyristor Q1.
Infrared receiving terminal can also be used by a touch-switch S1 ground connection, this touch-switch in 4th foot of microcontroller 310
Or remote control switch, remote control may be implemented, it is easy to operation, for control LED various flash patterns switching.
7th foot of microcontroller 310 is connected with the ends G of bidirectional triode thyristor Q1, the ends T1 of bidirectional triode thyristor Q1 and AC power
N-terminal is connected, and the ends T2 of bidirectional triode thyristor Q1 are connected with first subordinate line 210；7th foot of microcontroller 310 passes through bidirectional triode thyristor
Q1 controls the shutdown and conducting of first group of the first via and the LED lamp bead and AC power N-terminal on the second tunnel.
6th pin of microcontroller 310 is connected with the ends G of bidirectional triode thyristor Q2, the ends T1 of bidirectional triode thyristor Q2 and alternating current
Source N-terminal is connected, and the ends T2 of bidirectional triode thyristor Q2 are connected with second subordinate line 220；The 6th feet of microcontroller 310U1 pass through two-way controllable
Silicon Q2 controls the shutdown and conducting of the LED lamp bead and AC power N-terminal on second group of tetra- tunnels third Lu Yu.
5th foot of microcontroller 310 is connected with the ends G of bidirectional triode thyristor Q3, the ends T1 of bidirectional triode thyristor Q3 and AC power
N-terminal is connected, and the ends T2 of bidirectional triode thyristor Q3 are connected with third subordinate line；The 5th feet of microcontroller 310U1 by bidirectional triode thyristor Q3 come
Control the shutdown and conducting on the 5th tunnel of third group and the LED lamp bead and AC power N-terminal on the 6th tunnel.
Capacitance C1 is electrolytic capacitor, and capacitance C2 is non-polar condenser, and switch S1 is touch-switch.It can be to LED's
The pattern of various flicker saltus steps switches over.
As shown in Fig. 2, being each connected with LED light string location between subordinate line and main line 100, subordinate line is specially first subordinate line
210, second subordinate line 220 and third subordinate line 230.Every group of LED light string location includes several LED lamp beads and resistance, every group
LED light string location divides two-way, in parallel with several LED lamp bead negative directions of this group of another way per several LED lamp beads in road, then concatenates several
On resistance to any subordinate line.
Specifically, on main line 100 and connecing multigroup LED light string location.
First group of LED light string location 410 divides for two-way：First via LED light 411 and the second paths of LEDs lamp 412；
Second group of LED light string location 420 divides for two-way：Third paths of LEDs lamp 421 and the 4th paths of LEDs lamp 422；
Third group LED light string location 430 divides for two-way：5th paths of LEDs lamp 431 and the 6th paths of LEDs lamp 432.
LED lamp bead series connection in per paths of LEDs：
412 reverse parallel connection of first via LED light 411 and the second paths of LEDs lamp, first group of LED light string location 410 pass through several electricity
Resistance is connected on first subordinate line 210；
Third paths of LEDs lamp 421 and 422 reverse parallel connection of the 4th paths of LEDs lamp, second group of LED light string location 420 pass through several electricity
Resistance is connected on second subordinate line 220；
5th paths of LEDs lamp 431 and 432 reverse parallel connection of the 6th paths of LEDs lamp, third group LED light string location 430 pass through several electricity
Resistance is connected on third subordinate line 230.
In conjunction with shown in Fig. 1 and Fig. 3,310 second pin of microcontroller receives the zero passage that AC signal is used to detect AC signal
Point.The zero crossing of AC signal is sampled by microcontroller 310, judges benchmark to obtain control.On main line 100
Voltage waveform sinusoidal ac as shown in Figure 3 forms square-wave signal after being sampled by 310 second pin of microcontroller, has recorded
The zero crossing of sinusoidal ac signal, and zero passage point moment is illustrated as in figure 3：t0、t1、t2、t3、t4、t5、t6、t7。
LED multi-path light on and off effect is various so that lighting effects are protruded.LED multi-path connection structure is simple, manufactures efficiency
It is higher.
Realize that the lighting method of each paths of LEDs lamp bead is：
（1）100 voltage of main line is negative, and first 210 voltage of subordinate line is timing, and first via LED light 411 is lighted；
（2）100 voltage of main line is that just, when first 210 voltage of subordinate line is negative, the second paths of LEDs lamp 412 is lighted；
（3）100 voltage of main line is negative, and second 220 voltage of subordinate line is timing, and third paths of LEDs lamp 421 is lighted；
（4）100 voltage of main line is that just, when second 220 voltage of subordinate line is negative, the 4th paths of LEDs lamp 422 is lighted；
（5）100 voltage of main line is negative, and 230 voltage of third subordinate line is timing, and the 5th paths of LEDs lamp 431 is lighted；
（6）100 voltage of main line is that just, when 230 voltage of third subordinate line is negative, the 6th paths of LEDs lamp 432 is lighted.
The characteristic of bidirectional triode thyristor：
Between bidirectional triode thyristor first anode T1 and second plate T2, no matter added polarity of voltage be it is positive or reversed, only
It wants between control pole G and first anode T1 added with the trigger voltage that positive-negative polarity is different, so that it may which triggering and conducting is in low resistive state.It is two-way
Once silicon-controlled conducting, even if can continue to tend to remain on if losing trigger voltage.Only when first anode T1, the second sun
Pole T2 electric currents reduce, and are less than and the polarity of voltage between electric current or first anode T1 and second plate T2 is maintained to change and without touching
When power generation pressure, bidirectional triode thyristor just blocks, and only applying trigger voltage at the ends G again at this time could be connected.
As shown in figure 3, in conjunction with above-mentioned, the step principle that the first via of LED lamp bead is lighted respectively to the 6th tunnel is：
In wait state, the 5th foot, the 6th foot and the 7th foot of microcontroller 310 are high level, with microcontroller 310
First foot Vcc voltage is identical, and the ends G of bidirectional triode thyristor Q1, Q2 and Q3 are identical as the voltage at the ends first anode T1 at this time, it is two-way can
Control silicon Q1, Q2 and Q3 are not turned on, and are in cut-off state, first subordinate line being connected with Q1, Q2 and Q3,210, second subordinate lines
220 and third subordinate line 230 on there is no electric current to flow through, the first via to the 6th tunnel of LED lamp bead is extinguished.
In t0The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a failing edge, this
When microcontroller 310 the 7th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q1, make it is two-way can
Control silicon Q1 conductings.Main line 100 is negative half-wave at this time, and voltage is negative；Relative to main line 100, first 210 voltage of subordinate line be just,
411 both ends of first via LED light are made to apply forward voltage, first via LED light 411 is lighted, until t1Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q1 changes, bidirectional triode thyristor Q1
End, there is no electric current to flow through on first subordinate line 210, first via LED light 411 is extinguished.
In t1The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a rising edge, this
When microcontroller 310 the 7th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q1, make it is two-way can
Control silicon Q1 conductings.Main line 100 is positive half-wave at this time, and voltage is just；Relative to main line 100, first 210 voltage of subordinate line be it is negative,
412 both ends of the second paths of LEDs lamp are made to apply forward voltage, the second paths of LEDs lamp 412 is lighted, until t2Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q1 changes, bidirectional triode thyristor Q1
End, there is no electric current to flow through on first subordinate line 210, the second paths of LEDs lamp 412 extinguishes.
In t2The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a failing edge, this
When microcontroller 310 the 6th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q2, make it is two-way can
Control silicon Q2 conductings.Main line 100 is negative half-wave at this time, and voltage is negative；Relative to main line 100, second 220 voltage of subordinate line be just,
421 both ends of third paths of LEDs lamp are made to apply forward voltage, third paths of LEDs lamp 421 is lighted, until t3Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q2 changes, bidirectional triode thyristor Q2
End, there is no electric current to flow through on subordinate line 2, third paths of LEDs lamp 421 extinguishes.
In t3The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a rising edge, this
When microcontroller 310 the 6th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q2, make it is two-way can
Control silicon Q2 conductings.Main line 100 is positive half-wave at this time, and voltage is just；Relative to main line 100, second 220 voltage of subordinate line be it is negative,
422 both ends of the 4th paths of LEDs lamp are made to apply forward voltage, the 4th paths of LEDs lamp 422 is lighted, until t4Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q2 changes, bidirectional triode thyristor Q2
End, there is no electric current to flow through on second subordinate line 220, the 4th paths of LEDs lamp 422 extinguishes.
In t4The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a failing edge, this
When microcontroller 310 the 5th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q3, make it is two-way can
Control silicon Q3 conductings.Main line 100 is negative half-wave at this time, and voltage is negative；Relative to main line 100,230 voltage of third subordinate line be just,
431 both ends of the 5th paths of LEDs lamp are made to apply forward voltage, the 5th paths of LEDs lamp 431 is lighted, until t5Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q3 changes, bidirectional triode thyristor Q3
End, there is no electric current to flow through on third subordinate line 230, the 5th paths of LEDs lamp 431 extinguishes.
In t5The crus secunda at moment, microcontroller 310 detects 100 voltage over zero of main line, and provides a rising edge, this
When microcontroller 310 the 5th foot export a low level pulse voltage, be applied to the ends G of bidirectional triode thyristor Q3, make it is two-way can
Control silicon Q3 conductings.Main line 100 is positive half-wave at this time, and voltage is just；Relative to main line 100,230 voltage of third subordinate line be it is negative,
432 both ends of the 6th paths of LEDs lamp are made to apply forward voltage, the 6th paths of LEDs lamp 432 is lighted, until t6Moment, 100 voltage mistake of main line
When zero, the polarity of voltage between the first anode T1 and second plate T2 of bidirectional triode thyristor Q3 changes, bidirectional triode thyristor Q3
End, there is no electric current to flow through on third subordinate line 230, the 6th paths of LEDs lamp 432 extinguishes.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
Such as：Increase subordinate line 200 and bidirectional triode thyristor or reduces subordinate line 200 and bidirectional triode thyristor, increases LED lamp bead group or reduce LED
Lamp bead group etc.；And all these improvement or transformation should all belong to the protection domain of the utility model appended claims.
Illustrative description is carried out to the utility model patent above in conjunction with attached drawing, it is clear that the reality of the utility model patent
Now be not subject to the restrictions described above, if use the utility model patent methodology or technical solution carry out it is various
Improve, or it is not improved the design of the utility model patent and technical solution are directly used in other occasions, in this practicality
In novel protection domain.
Claims (8)
1. a kind of exchange LED multi-path control circuit, it is characterised in that：Including main line (100), n subordinate line（200）And control
The input of device (300), n >=1, the controller (300) is AC power, and controller (300) has n control terminal, each control
End processed and each subordinate line（200）It connects one to one, each subordinate line（200）It is connected with LED light string list between main line (100)
Member, every group of LED light string location include several LED lamp beads and resistance, and every group of LED light string location divides two-way, per several LED lamp beads in road
It is in parallel with several LED lamp bead negative directions of this group of another way, then several resistance are concatenated to any subordinate line（200）On.
2. exchange LED multi-path control circuit according to claim 1, it is characterised in that：The main line (100) and subordinate line
（200）For electric wire, enameled wire or FPC flexible circuitries.
3. exchange LED multi-path control circuit according to claim 1, it is characterised in that：The controller (300) includes single
Piece machine (310), microcontroller (310), which has, is more than or equal to n input and output pin, and the input and output pin connects subordinate line
（200）Control signal for exporting cycle.
4. exchange LED multi-path control circuit according to claim 3, it is characterised in that：When n is 3, the controller
(300) further include firewire L, zero curve N, resistance R1, resistance R2, capacitance C1, capacitance C2, switch S1, bidirectional triode thyristor Q1, it is two-way can
Control silicon Q2, bidirectional triode thyristor Q3, voltage-stabiliser tube Z1 and diode D1；First pin of microcontroller (310) is Vcc, the 8th pin
It is definable input and output pin for GND, remaining pin；
The cathode of the first pin connection voltage-stabiliser tube Z1 of microcontroller (310), anode, the zero curve N of capacitance C1,
First end, the first end of capacitance C2 of the second pin connection resistance R1 of microcontroller (310),
4th pin of microcontroller (310) is grounded by switch S1, the second end ground connection of capacitance C2；
It the anode of the 8th pin connection voltage-stabiliser tube Z1 of microcontroller (310), the cathode of capacitance C1, the anode of diode D1 and connects
Ground terminal；
Second end, the first end of resistance R2 and the main line (100) of firewire L connection resistance R1；
The cathode of the second end connection diode D1 of resistance R2；
7th pin of the ends the G connection microcontroller (310) of bidirectional triode thyristor Q1, the ends the T1 connection zero curve N of bidirectional triode thyristor Q1 are double
First subordinate line (210) is connected to the ends T2 of silicon-controlled Q1；
6th pin of the ends the G connection microcontroller (310) of bidirectional triode thyristor Q2, the ends the T1 connection zero curve N of bidirectional triode thyristor Q2 are double
Second subordinate line (220) is connected to the ends T2 of silicon-controlled Q2；
5th pin of the ends the G connection microcontroller (310) of bidirectional triode thyristor Q3, the ends the T1 connection zero curve N of bidirectional triode thyristor Q3 are double
To the ends T2 of silicon-controlled Q3 connection third subordinate line (230).
5. exchange LED multi-path control circuit according to claim 4, it is characterised in that：The microcontroller (310) second draws
Foot receives the zero crossing that AC signal is used to detect AC signal.
6. exchange LED multi-path control circuit according to claim 4, it is characterised in that：The capacitance C1 is electrolytic capacitor
Device, capacitance C2 are non-polar condenser, and switch S1 is touch-switch.
7. exchange LED multi-path control circuit according to claim 1, it is characterised in that：On the main line (100) and connect more
Group LED light string location；
First group of LED light string location (410) is divided into two-way：First via LED light (411) and the second paths of LEDs lamp (412)；
Second group of LED light string location (420) is divided into two-way：Third paths of LEDs lamp (421) and the 4th paths of LEDs lamp (422)；
Third group LED light string location (430) is divided into two-way：5th paths of LEDs lamp (431) and the 6th paths of LEDs lamp (432)；
Per the LED lamp bead series connection in paths of LEDs lamp,
First via LED light (411) and second paths of LEDs lamp (412) reverse parallel connection, first group of LED light string location (410) is by several
Resistance is connected to first subordinate line（210）On；
Third paths of LEDs lamp (421) and the 4th paths of LEDs lamp (422) reverse parallel connection, second group of LED light string location (420) is by several
Resistance is connected to second subordinate line（220）On；
5th paths of LEDs lamp (431) and the 6th paths of LEDs lamp (432) reverse parallel connection, third group LED light string location (430) is by several
Resistance is connected to third subordinate line（230）On.
8. exchange LED multi-path control circuit according to claim 4, it is characterised in that：The switch S1 is remote control switch
Or infrared receiving terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034880.8U CN207869452U (en) | 2018-01-09 | 2018-01-09 | A kind of exchange LED multi-path control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034880.8U CN207869452U (en) | 2018-01-09 | 2018-01-09 | A kind of exchange LED multi-path control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063664A1 (en) * | 2018-09-25 | 2020-04-02 | 福建省亿宝光电科技有限公司 | Circuit for led strip lights |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063664A1 (en) * | 2018-09-25 | 2020-04-02 | 福建省亿宝光电科技有限公司 | Circuit for led strip lights |
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