CN105491730B - A kind of LED lamp with USB interface string control system - Google Patents
A kind of LED lamp with USB interface string control system Download PDFInfo
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- CN105491730B CN105491730B CN201610053130.0A CN201610053130A CN105491730B CN 105491730 B CN105491730 B CN 105491730B CN 201610053130 A CN201610053130 A CN 201610053130A CN 105491730 B CN105491730 B CN 105491730B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/42—Antiparallel configurations
Abstract
The present invention relates to a kind of LED lamp with USB interface string control system, including possess the power supply of USB interface, the power cord for possessing USB joint, controller and LED light string；One end of power cord is electrically connected to a power source by the way that its USB joint is inserted into the USB interface of the power supply, and the other end of power cord is electrically connected with one end of controller, and the other end of controller is electrically connected with LED light string.The LED light string of the present invention is suitable for all power supplys for possessing USB jack, power supply is inserted into by possessing the power cord of USB joint, can be that LED light string is powered, strong applicability, and the control circuit element that the controller of the present invention uses is few, stability is high, and the connection with LED light string only needs two terminals, can be cost-effective.
Description
Technical field
The present invention relates to the LED field, more particularly to a kind of LED lamp with USB interface string control system.
Background technology
The power unit of traditional LED lamp string control system must use the Special low-voltage power supply of 3V-36VAC/DC；And 3V-
The connector many types of the Special low-voltage power supply of 36VAC/DC, and the standard of each factory differs, can not general or exchange
Use；Traditional LED lamp string is typically used as decorating, and is seasonal product, and specially season can generally clear up later, when generally clearing up
It can be cleared up together with Special low-voltage power supply, directly waste power supply, and the cost of low-tension supply occupies LED light string totle drilling cost
20-60%, therefore cause the pollution of environment and the waste of resource at the same time.
And although the control circuit of traditional LED light string control system is two-way control circuit, is connected with lamp string
When generally require three terminals, do not have energy saving effect.
The content of the invention
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, there is provided a kind of LED lamp with USB interface string control
System processed.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of LED lamp with USB interface string control system, including
The power supply for possessing USB interface, the power cord, controller and the LED light string that possess USB joint；
One end of the power cord is electrically connected by the way that its USB joint is inserted into the USB interface of the power supply with the power supply
Connect, the other end of the power cord is electrically connected with one end of the controller, the other end of the controller and the LED light string
It is electrically connected.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, the power supply includes the socket, host computer or charger baby for possessing USB interface.
Further, the control circuit that the controller uses is first control circuit；
The first control circuit includes the first master control IC chip, the first decoupling filter circuit, the first clock circuit and the
One key circuit, wherein, first clock circuit and first key circuit are connected with the first master control IC chip；
The first decoupling filter circuit includes a capacitance C11, one end of the capacitance C11 and first master control
First pin of IC chip is all connected with input power, the other end ground connection of the capacitance C11；
Led respectively with described first at the both ends that first clock circuit includes oscillator a Y11, the oscillator Y11
The second pin and three-prong for controlling IC chip are connected；
First key circuit includes key switch S11 and key switch S12, one end of the key switch S11 with
4th pin of the first master control IC chip is connected, one end of the key switch S12 and the first master control IC chip
5th pin is connected, the other end of the key switch S11, the other end of the key switch S12, the capacitance C11 it is another
The lead that 6th pin of one end and the first master control IC chip is drawn is grounded after converging.
Further, the LED light string uses the first lamp string circuit, first lamp string circuit and the described first control electricity
Road connects；
First lamp string circuit includes one group of LED light group and resistance R11, and the LED light group includes multiple LED light, and
It is positive and negative interval parallel relationship between multiple LED light；
Multiple LED light of the LED light group draw two terminals, one of terminals by the resistance R11 with
The 7th pin connection of the first master control IC chip, another terminals and the 8th pin of the first master control IC chip connect
Connect.
Further, the control circuit that the controller uses is second control circuit；
The second control circuit includes the second master control IC chip, the second decoupling filter circuit, the second key circuit, second
Clock circuit, indicating circuit, selection circuit, booster circuit, protection detection circuit and power output circuit；Wherein, described second
Key circuit, the second clock circuit, the indicating circuit, the selection circuit, the booster circuit, the protection detection
Circuit and the power output circuit are connected with the second master control IC chip；
The second decoupling filter circuit includes polar capacitor C21, the cathode of the polarized capacitance C21 and described the
4th pin of two master control IC chips is connected with input power, the anode ground connection of the polarized capacitance C21.
Further, second key circuit includes key switch S21 and key switch S22；The key switch S21
One end be connected with the second pin of the second master control IC chip, one end of the key switch S22 and second master control
The three-prong of IC chip is connected, the other end of the key switch S21, the other end of the key switch S22 and described
The anode of capacitance C21 is grounded after converging；
The second clock circuit includes capacitance C21, capacitance C22 and oscillator X21, and the of the second master control IC chip
Five pins are connected with one end of the capacitance C21 and one end of the oscillator X21 respectively, the second master control IC chip
6th pin is connected with one end of the capacitance C22 and the other end of the oscillator X21 respectively, and the capacitance C21's is another
The other end of one end and the capacitance C22 are grounded after converging；
The indicating circuit includes resistance R24 and optical diode LED21, one end of the resistance R24 and the described second master
8th pin of control IC chip is connected, and the other end of the resistance R24 is connected with the cathode of the optical diode LED21, described
The anode ground connection of optical diode LED21；
The selection circuit includes switch K21, the tenth pin of the second master control IC chip and the one of the switch K21
The other end of end connection, the 11st pin of the second master control IC chip and the switch K21 are grounded after converging.
Further, the booster circuit includes inductance coil L21, resistance R21, NPN type triode Q21, diode D21
With polarized capacitance C24；
One end of the resistance R21 is connected with the first pin of the second master control IC chip, and the resistance R21's is another
End is connected with the base stage of the triode Q21；The collector of triode Q21 one end with the inductance coil L21 respectively
And the cathode connection of the diode D21, cathode and institute of the other end of the inductance coil L21 with the capacitance C21
The 4th pin for stating the second master control IC chip together accesses input power, and the anode of the diode D21 has pole with described respectively
Property capacitance C24 cathode connection and access the protection detection circuit, the anode of the polarized capacitance C24 respectively with it is described
The lead that the emitter of triode Q21 is drawn is grounded and accesses the protection detection circuit after converging.
Further, the protection detection circuit includes resistance R25 and resistance R26；
One end of the resistance R25 respectively the anode with the diode D21, the cathode of the capacitance C24 be connected and
Access the power output circuit, the other end of the resistance R25 the 12nd pin with the second master control IC chip respectively
And one end connection of the resistance R26；Anode and three pole of the other end of the resistance R26 with the capacitance C24
The emitter of pipe Q21 is grounded after converging.
Further, the power output circuit includes resistance R22, resistance R23, resistance R27, resistance R28, NPN type three
Pole pipe Q22, NPN type triode Q23, PNP type triode Q24, PNP type triode Q25；
One end of the resistance R22 is connected with the tenth three-prong of the second master control IC chip, and the resistance R22's is another
One end is connected with the base stage of the triode Q22；One end of the resistance R23 and the 14th pipe of the second master control IC chip
Foot connects, and the other end of the resistance R23 is connected with the base stage of the triode Q23；The emitter of the triode Q22 and institute
State triode Q23 emitter converge after be grounded；The emitter of the emitter of the triode Q24 and the triode Q25 converge
Anode after conjunction with one end of the resistance R25, the cathode of the capacitance C24 and the diode D21 is connected, three pole
The base stage of pipe Q24 is connected with one end of the R27, and the base stage of the triode Q25 is connected with one end of the R28；Described three
The other end of the collector of pole pipe Q22, the collector of the triode Q24 and the resistance R28 forms second after converging and connects
Line end, after the other end of the collector of the triode Q23, the collector of the triode Q25 and the resistance R27 converges
Form the first terminals.
Further, the LED light string uses the second lamp string circuit or the 3rd lamp string circuit, second lamp string circuit or
3rd lamp string circuit is connected with the second control circuit；
Second lamp string circuit includes one or more LED parallel lamp groups, and each LED parallel lamps group includes two groups
LED light group in parallel, each LED light group includes the LED light of multiple series connection in two groups of LED light groups in parallel, and two groups of parallel connections
The cathode of one of which LED light group accesses first terminals in LED light group after being connected with the anode of another group of LED light group,
The anode of the one of which LED light group accesses second terminals after being connected with the cathode of another group of LED light group；It is if described
Second lamp string circuit includes multiple LED parallel lamps groups, then is parallel relationship between multiple LED parallel lamps groups；
3rd lamp string circuit includes multiple LED series lamps groups, and each LED series lamps group is just sowed distrust among one's enemies including multiple
It is series relationship between LED light in parallel, multiple LED series lamps groups, multiple LED series lamps groups form two and connect
Line end, one of terminals access first terminals, another terminals accesses second terminals.
The beneficial effects of the invention are as follows：The LED light string of the present invention is suitable for all power supplys for possessing USB jack, passes through tool
The power cord insertion power supply of standby USB joint, you can for LED light string power supply, what strong applicability, and the controller of the present invention used
Control circuit element is few, and stability is high, and the connection with LED light string only needs two terminals, can be cost-effective.
Brief description of the drawings
Fig. 1 is the structure chart of LED lamp with USB interface string control system of the present invention；
Fig. 2 is the circuit diagram of first control circuit and the first lamp string circuit in the present invention；
Fig. 3 is the circuit diagram of second control circuit and the second lamp string circuit in the present invention；
Fig. 4 is the circuit diagram of the 3rd lamp string circuit in the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
101st, the first master control IC chip, the 102, first decoupling filter circuit, the 103, first clock circuit, the 104, first button
Circuit；
201st, the second master control IC chip, the 202, second decoupling filter circuit, the 203, second key circuit, 204, second clock
Circuit, 205, indicating circuit, 206, selection circuit, 207, booster circuit, 208, protection detection circuit, 209, power output electricity
Road, the 210, first terminals, the 211, second terminals.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Fig. 1 is the structure chart of LED lamp with USB interface string control system of the present invention.
As shown in Figure 1, a kind of LED lamp with USB interface string control system, including possess the power supply of USB interface, possess USB and connect
Power cord, controller and the LED light string of head, one end of power cord is by the way that its USB joint is inserted into the USB interface of power supply and electricity
Source is electrically connected, and the other end of power cord is electrically connected with one end of controller, and the other end of controller is electrically connected with LED light string, its
In, the control circuit that controller uses is first control circuit or second control circuit, when the control circuit that controller uses is
During first control circuit, LED light string use for the first lamp string circuit；When the control circuit that controller uses is the second control electricity
Lu Shi, LED light string use for the second lamp string circuit.
Wherein possessing the power supply of USB interface includes all having USB interface and can be with the device of out-put supply, Ke Yiwei
Possess socket, host computer, charger baby of USB interface etc..Because general USB interface output is 5V DC low-tension supplies, meet
The standard of the low-tension supply of LED light string 3V-16V AC/DC, therefore need not be LED light string design specialized low-tension supply, also not
The problem of Power Interface Standard differs can be produced, while having saved cost, adds the applicability of LED light string.
Fig. 2 is the circuit diagram of first control circuit and the first lamp string circuit in the present invention.
As shown in Fig. 2, first control circuit includes the first master control IC chip 101, the first decoupling filter circuit 102, first
103 and first key circuit 104 of clock circuit, wherein, the first clock circuit 103 and the first key circuit 104 and the first master control
IC chip 101 is connected.
First decoupling filter circuit 102 includes a capacitance C11, one end of capacitance C11 and the first master control IC chip 101
The first pin be all connected with input power, wherein the power supply inputted is powered for whole first control circuit and the first lamp string circuit,
The other end ground connection of capacitance C11.First decoupling filter circuit 102 can be power filter.
First clock circuit 103 includes an oscillator Y11, the both ends of oscillator Y11 respectively with the first master control IC chip
101 the second pin and three-prong is connected.First clock circuit 103 is used to provide clock.
First key circuit 104 includes key switch S11 and key switch S12, one end of key switch S11 and the first master
4th pin of control IC chip 101 is connected, and one end of key switch S12 is connected with the 5th pin of the first master control IC chip 101,
The other end of key switch S11, the other end of key switch S12, the other end of capacitance C11 and the first master control IC chip 101
The 6th pin draw lead converge after be grounded.Wherein, the flashing mode of LED light string can be selected using key switch S11
And be turned on or off, it can open and close first control circuit using key switch S12 and the first lamp string circuit is formed
Whole circuit.
First control circuit is also connected with the first lamp string circuit.Specially the 7th pin of the first master control IC chip 101 and
8th pin is connected with the first lamp string circuit.
First lamp string circuit includes one group of LED light group and resistance R11, and LED light group includes multiple LED light, and multiple LED light
Between be positive and negative interval parallel relationship；Multiple LED light of LED light group draw two terminals, and one of terminals pass through electricity
Resistance R11 is connected with the 7th pin of the first master control IC chip 101, and the 8th of another terminals and the first master control IC chip 101 the
Pin connects.LED light group is distinguished with A and B in Fig. 2, wherein between the LED light represented with the A LED light represented and with B
Across being connected in parallel, the cathode for all LED light that A is represented passes through resistance R11 and the 7th pipe of the first master control IC chip 101
Foot connects, and eightth pin of the anode with the first master control IC chip 101 for all LED light that A is represented is connected；B represents all
The anode of LED light is connected by resistance R11 with the 7th pin of the first master control IC chip 101, all LED light that B is represented
Eightth pin of the cathode with the first master control IC chip 101 is connected.Wherein, the inside of the first master control IC chip 101 has integrated
There are H bridge output circuits, therefore internal signal controls H bridges to be exported from the 7th pin of the first master control IC chip 101 and the 8th pin,
Lamp string can be directly connected to the 7th pin and the 8th pin of the first master control IC chip 101.
From the foregoing, it will be observed that the first control circuit circuit element that uses of the present invention is few, stability is high, cost is low, with LED light string
Only need in the first master control IC chip 101 the 7th pin and the 8th pin the two terminals during connection, and traditional two-way control
Mode processed needs three terminals, therefore can save electric wire used in lamp string.
Fig. 3 is the circuit diagram of second control circuit and the second lamp string circuit in the present invention.
As shown in figure 3, second control circuit includes the second master control IC chip 201, the second decoupling filter circuit 202, second
Key circuit 203, second clock circuit 204, indicating circuit 205, selection circuit 206, booster circuit 207, protection detection circuit
208 and power output circuit 209.Wherein, the second key circuit 203, second clock circuit 204, indicating circuit 205, selection electricity
Road 206, booster circuit 207, protection detection circuit 208 and power output circuit 209 are connected with the second master control IC chip 201.
Second decoupling filter circuit 202 includes polar capacitor C21, the cathode of polarized capacitance C21 and the second master control IC
4th pin of chip 201 is connected with input power, and input power supplies for whole second control circuit and the second lamp string circuit
Electricity.The anode ground connection of polarized capacitance C21.Second decoupling filter circuit 202 can be power filter.
Second key circuit 203 includes key switch S21 and key switch S22, one end of key switch S21 and the second master
Second pin of control IC chip 201 is connected, and one end of key switch S22 is connected with the three-prong of the second master control IC chip 201,
The anode of the other end of key switch S21, the other end of key switch S22 and capacitance C21 is grounded after converging.Opened using button
The flashing mode and switch of lamp string can be selected by closing S21.Timing and not timing can be selected using key switch S22.
Second clock circuit 204 includes capacitance C21, capacitance C22 and oscillator X21, and the 5th of the second master control IC chip 201 the
Pin is connected with one end of capacitance C21 and one end of oscillator X21 respectively, the 6th pin point of the second master control IC chip 201
It is not connected with one end of capacitance C22 and the other end of oscillator X21, the other end of capacitance C21 converges with the other end of capacitance C22
It is grounded after conjunction；Second clock circuit 204 is used to provide clock.
Indicating circuit 205 includes resistance R24 and optical diode LED21, one end of resistance R24 and the second master control IC chip
201 the 8th pin is connected, and the other end of resistance R24 is connected with the cathode of optical diode LED21, and optical diode LED21's is negative
Pole is grounded.Optical diode LED21 is used for indicating timing status, and optical diode LED21 bright is timing, is gone out for not timing.
Selection circuit 206 includes switch K21, and one end of the tenth pin and switch K21 of the second master control IC chip 201 connects
Connect, the 11st pin of the second master control IC chip 201 is grounded with switching after the other end of K21 converges, and switch K21 can select one
Group or two groups of lamp string flashing light outputs.
Booster circuit 207 includes inductance coil L21, resistance R21, NPN type triode Q21, diode D21 and polarized electricity
Hold C24, one end of resistance R21 is connected with the first pin of the second master control IC chip 201, the other end and triode of resistance R21
The base stage connection of Q21；The collector of triode Q21 connects with one end of inductance coil L21 and the cathode of diode D21 respectively
Connect, the other end of inductance coil L21 and the 4th pin of the cathode of capacitance C21 and the second master control IC chip 201 together access
Input power, the anode of diode D21 are connected and access respectively protection detection circuit 208 with the cathode of polarized capacitance C24,
Ground connection and access protection inspection after the lead that the anode of polarized capacitance C24 is drawn with the emitter of triode Q21 respectively converges
Slowdown monitoring circuit 208.
The voltage boosting pulse of second master control IC chip 201 into cross resistance R21 control triode Q21 switch times, electric current according to
The ETAD expected time of arrival and departure of triode Q21 passes through inductance coil L21 and triode Q21 to GND power consumptions, while also charges for inductance coil L21；
The time closed according to triode Q21, the electricity that inductance coil L21 is full of charges by diode D21 to capacitance C24 to be raised, when three
When pole pipe Q21 is opened again, due to diode D21 one-way conductions, electric current will not flow to triode Q21, electric obtained from
It can only pass through lamp string to consume, complete from the process for boosting to power consumption.
Protection detection circuit 208 includes resistance R25 and resistance R26, and one end of resistance R25 is negative with diode D21 respectively
Pole, the cathode connection of capacitance C24 and access power output circuit 209, the other end of resistance R25 respectively with the second master control IC cores
One end connection of the 12nd pin and resistance R26 of piece 201；The other end of resistance R26 and the anode of capacitance C24 and three poles
The emitter of pipe Q21 is grounded after converging.Whether resistance R25 and resistance R26 is excessive for detecting boosting, boosts if detected
High then closing power supply wastes so as to which protection element reduces power supply, when boosting excessive by the electric current increase of resistance R25, resistance
The upper terminal potentials of R26 rise, when terminal potential is equal to or more than the value of the second master control IC chip 201 setting on resistance R26, the second master
Control IC chip 201 and stop output, booster circuit 207, power output circuit 209 and indicating circuit 205 are stopped therewith.
Power output circuit 209 includes resistance R22, resistance R23, resistance R27, resistance R28, NPN type triode Q22, NPN
Type triode Q23, PNP type triode Q24, PNP type triode Q25, one end of resistance R22 and the second master control IC chip 201
Tenth three-prong connects, and the other end of resistance R22 is connected with the base stage of triode Q22；One end of resistance R23 and the second master control IC
The 14th pin connection of chip 201, the other end of resistance R23 are connected with the base stage of triode Q23；The transmitting of triode Q22
The emitter of pole and triode Q23 are grounded after converging；The emitter of triode Q24 and the emitter of triode Q25 converge after with
The anode of one end of resistance R25, the cathode of capacitance C24 and diode D21 is connected, the base stage of triode Q24 and one end of R27
Connection, the base stage of triode Q25 and one end of R28 connect；The collector of triode Q22, the collector and electricity of triode Q24
The other end of resistance R28 forms the second terminals 211 after converging, the collector of triode Q23, the collector of triode Q25 and
The other end of resistance R27 forms the first terminals 210 after converging.Work(is passed through in the flashing light output of second master control IC chip 201 respectively
Resistance R22 and resistance R23 the control triode Q22 and triode Q23 on and off of rate output circuit 209, also just control lamp string
Light on and off, when triode Q23 is turned on, triode Q24 also follows conducting, and one group of lamp string is lit, when triode Q22 turn on
When, triode Q25 also follows conducting, and another group of lamp string is lit.
Second control circuit is also connected with the second lamp string circuit or the 3rd lamp string circuit.
Second lamp string circuit includes one or more LED parallel lamp groups, each LED parallel lamps group include two groups it is in parallel
LED light group, each LED light group includes the LED light of multiple series connection, and the LED light groups of two groups of parallel connections in two groups of LED light groups in parallel
The cathode of middle one of which LED light group accesses first terminals 210 after being connected with the anode of another group of LED light group, wherein
The anode of one group of LED light group accesses the second terminals 211 after being connected with the cathode of another group of LED light group；If the second lamp string circuit
Then it is parallel relationship between multiple LED parallel lamps groups including multiple LED parallel lamps groups.Fig. 3, which provides the second lamp string circuit, includes one
A LED parallel lamps group, distinguishes two groups of LED light groups for including LED parallel lamp groups with A and B, the LED light that A is represented
It is parallel relationship between the LED light group that group and B are represented, the anode of the LED light group of cathode and the B expression for the LED light group that A is represented converges
Access the first terminals 210 after conjunction, the cathode of the LED light group that the anode and B of the LED light group that A is represented represent accesses the after converging
Two terminals 211.No matter the second lamp string circuit includes one or multiple LED parallel lamps groups, in second control circuit and second
When lamp string circuit connects, and the positive and negative anodes of the second lamp string circuit of differentiation that need not be deliberately.
Fig. 4 is the circuit diagram of the 3rd lamp string circuit in the present invention.
As shown in figure 4, the 3rd lamp string circuit includes multiple LED series lamps groups, each LED series lamps group includes multiple positive and negative
LED light in parallel is spaced, is series relationship between multiple LED series lamps groups, multiple LED series lamps groups form two terminals,
One of terminals access the first terminals 210, another terminals accesses the second terminals 211；Provided in Fig. 4
Three lamp string circuits include multiple LED series lamps groups, are series relationship between each LED series lamps group, and each LED series lamps
Group all includes 4 positive and negative interval LED light in parallel, and the terminals that first LED series lamps group is drawn access the first terminals
210, the terminals that last LED series lamps group is drawn access the second terminals 211；Second control circuit and the 3rd lamp string
When road connects, and the positive and negative anodes of the 3rd lamp string circuit of differentiation that need not be deliberately.
From the foregoing, it will be observed that the second control circuit circuit element that uses of the present invention is few, stability is high, cost is low, with LED light string
Two terminals are only needed during connection, and traditional two-way control mode needs three terminals, therefore lamp string institute can be saved
Use electric wire.
From the foregoing, it will be observed that the second control circuit circuit element that uses of the present invention is few, stability is high, cost is low, it is only necessary to two
A terminals, when being connected with lamp string, it is not necessary to distinguish the positive and negative anodes of lamp string；And traditional two-way control mode needs three wiring
End, when being connected with lamp string, it is also necessary to the positive and negative anodes of lamp string are distinguished, therefore the present invention can save electric wire used in lamp string, and even
Connect conveniently.
Above-mentioned first control circuit and second control circuit are exported by the way of 150-250HZ pulses, are had energy saving
Effect.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of LED lamp with USB interface string control system, it is characterised in that including possessing the power supply of USB interface, possessing USB joint
Power cord, controller and LED light string；
One end of the power cord is by the way that its USB joint is inserted into the USB interface of the power supply and the power electric connection, institute
The other end for stating power cord is electrically connected with one end of the controller, and the other end of the controller is electrically connected with the LED light string
Connect；
The control circuit that the controller uses is second control circuit；
The second control circuit includes the second master control IC chip (201), the second decoupling filter circuit (202), the second button electricity
Road (203), second clock circuit (204), indicating circuit (205), selection circuit (206), booster circuit (207), protection detection
Circuit (208) and power output circuit (209)；Wherein, second key circuit (203), the second clock circuit
(204), the indicating circuit (205), the selection circuit (206), the booster circuit (207), the protection detection circuit
(208) it is connected with the second master control IC chip (201) with the power output circuit (209)；
The second decoupling filter circuit (202) includes polar capacitor C21, the cathode of the polarized capacitance C21 with it is described
4th pin of the second master control IC chip (201) is connected with input power, the anode ground connection of the polarized capacitance C21；
Wherein, second key circuit (203) includes key switch S21 and key switch S22；The key switch S21's
One end is connected with the second pin of the second master control IC chip (201), one end of the key switch S22 and the described second master
Control IC chip (201) three-prong be connected, the other end of the key switch S21, the key switch S22 the other end with
And the anode of the capacitance C21 converge after be grounded；
The second clock circuit (204) includes capacitance C21, capacitance C22 and oscillator X21, the second master control IC chip
(201) the 5th pin is connected with one end of the capacitance C21 and one end of the oscillator X21 respectively, second master
6th pin of control IC chip (201) is connected with one end of the capacitance C22 and the other end of the oscillator X21 respectively,
The other end of the other end of the capacitance C21 and the capacitance C22 are grounded after converging；
The indicating circuit (205) includes resistance R24 and optical diode LED21, one end of the resistance R24 and the described second master
8th pin of control IC chip (201) is connected, and the other end of the resistance R24 is connected with the cathode of the optical diode LED21,
The anode ground connection of the optical diode LED21；
The selection circuit (206) includes switch K21, the tenth pin and the switch of the second master control IC chip (201)
After the other end of one end connection of K21, the 11st pin of the second master control IC chip (201) and the switch K21 converge
Ground connection；
Wherein, the booster circuit (207) include inductance coil L21, resistance R21, NPN type triode Q21, diode D21 and
Polarized capacitance C24；
One end of the resistance R21 is connected with the first pin of the second master control IC chip (201), and the resistance R21's is another
One end is connected with the base stage of the triode Q21；The collector of the triode Q21 respectively with the inductance coil L21 one
The connection of the cathode of end and the diode D21, the cathode of the other end of the inductance coil L21 and the capacitance C21 and
4th pin of the second master control IC chip (201) together accesses input power, the anode of the diode D21 respectively with institute
State the cathode connection of polarized capacitance C24 and access the protection detection circuit (208), the polarized capacitance C24's is negative
The lead that pole is drawn with the emitter of the triode Q21 respectively is grounded and accesses the protection detection circuit after converging
(208)；
Wherein, the protection detection circuit (208) includes resistance R25 and resistance R26；
The anode with the diode D21, the cathode of the capacitance C24 are connected and access respectively for one end of the resistance R25
The power output circuit (209), the other end of the resistance R25 respectively with the second master control IC chip (201) the tenth
One end of two pins and the resistance R26 connect；Anode and institute of the other end of the resistance R26 with the capacitance C24
State triode Q21 emitter converge after be grounded；
Wherein, the power output circuit (209) includes resistance R22, resistance R23, resistance R27, resistance R28, NPN type triode
Q22, NPN type triode Q23, PNP type triode Q24, PNP type triode Q25；
One end of the resistance R22 is connected with the tenth three-prong of the second master control IC chip (201), the resistance R22's
The other end is connected with the base stage of the triode Q22；One end of the resistance R23 and the second master control IC chip (201)
14th pin connects, and the other end of the resistance R23 is connected with the base stage of the triode Q23；The hair of the triode Q22
The emitter of emitter-base bandgap grading and the triode Q23 are grounded after converging；The emitter of the triode Q24 and the triode Q25's
Emitter converges the rear anode with one end of the resistance R25, the cathode of the capacitance C24 and the diode D21 and is connected,
The base stage of the triode Q24 is connected with one end of the R27, and the base stage of the triode Q25 connects with one end of the R28
Connect；The other end of the collector of the triode Q22, the collector of the triode Q24 and the resistance R28 converges rear shape
Into the second terminals (211), the collector of the triode Q23, the collector of the triode Q25 and the resistance R27
The other end converge after form the first terminals (210).
2. LED lamp with USB interface string control system according to claim 1, it is characterised in that the power supply includes possessing
Socket, host computer or the charger baby of USB interface.
3. LED lamp with USB interface string control system according to claim 1, it is characterised in that the LED light string uses the
Two lamp string circuits or the 3rd lamp string circuit, second lamp string circuit or the 3rd lamp string circuit and the second control circuit
Connection；
Second lamp string circuit includes one or more LED parallel lamp groups, and each LED parallel lamps group includes two groups of parallel connections
LED light group, each LED light group includes the LED light of multiple series connection, and the LED light of two groups of parallel connections in two groups of LED light groups in parallel
The cathode of one of which LED light group accesses first terminals (210) in group after being connected with the anode of another group of LED light group,
The anode of the one of which LED light group accesses second terminals (211) after being connected with the cathode of another group of LED light group；
It is parallel relationship between multiple LED parallel lamps groups if second lamp string circuit includes multiple LED parallel lamps groups；
3rd lamp string circuit includes multiple LED series lamps groups, and each LED series lamps group includes multiple positive and negative intervals simultaneously
The LED light of connection, is series relationship between multiple LED series lamps groups, and multiple LED series lamps groups form two wiring
End, one of terminals access first terminals (210), another terminals accesses second terminals
(211)。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053130.0A CN105491730B (en) | 2016-01-25 | 2016-01-25 | A kind of LED lamp with USB interface string control system |
| PCT/CN2016/073131 WO2017128449A1 (en) | 2016-01-25 | 2016-02-02 | Usb interface led lamp string control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053130.0A CN105491730B (en) | 2016-01-25 | 2016-01-25 | A kind of LED lamp with USB interface string control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105491730A CN105491730A (en) | 2016-04-13 |
| CN105491730B true CN105491730B (en) | 2018-05-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053130.0A Active CN105491730B (en) | 2016-01-25 | 2016-01-25 | A kind of LED lamp with USB interface string control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105491730B (en) |
| WO (1) | WO2017128449A1 (en) |
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| US20090122539A1 (en) * | 2007-11-08 | 2009-05-14 | Chi-Shih Lai | Light-emitting decorating device |
| CN203273497U (en) * | 2013-06-24 | 2013-11-06 | 彭卫 | Sandglass lamp |
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| CN203718478U (en) * | 2014-01-16 | 2014-07-16 | 浙江天天电子有限公司 | Two-way control LED (light-emitting diode) string |
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- 2016-01-25 CN CN201610053130.0A patent/CN105491730B/en active Active
- 2016-02-02 WO PCT/CN2016/073131 patent/WO2017128449A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017128449A1 (en) | 2017-08-03 |
| CN105491730A (en) | 2016-04-13 |
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