CN205754934U - 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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- CN205754934U CN205754934U CN201620072509.1U CN201620072509U CN205754934U CN 205754934 U CN205754934 U CN 205754934U CN 201620072509 U CN201620072509 U CN 201620072509U CN 205754934 U CN205754934 U CN 205754934U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
This utility model relates to a kind of LED lamp with USB interface string control system, including possessing the power supply of USB interface, possessing the power line of USB joint, controller and LED string;One end of power line is by electrically connecting with power supply in the USB interface of its USB joint described power supply of insertion, and the other end of power line electrically connects with one end of controller, and the other end of controller electrically connects with LED string.LED string of the present utility model is applicable to all power supplys possessing USB, power supply is inserted by possessing the power line of USB joint, can be for LED statements based on collusion electricity, the suitability is strong, and the control circuit element that controller of the present utility model uses is few, stability is high, and the connection with LED string has only to two terminals, it is possible to cost-effective.
Description
Technical field
This utility model relates to LED field, particularly relates to a kind of LED lamp with USB interface string control system.
Background technology
The power pack 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, cannot general or exchange
Use;Traditional LED lamp string is typically used as decoration, is typically to clear up, when typically clearing up after seasonal product, specially season
Can clear up together with Special low-voltage power supply, directly waste power supply, and the cost of low-tension supply occupies LED string totle drilling cost
20-60%, cause the pollution of environment and the waste of resource the most simultaneously.
Although and the control circuit of traditional LED string control system is two-way control circuit, but connecing with lamp series winding
Time it is generally required to three terminals, do not have energy-conservation effect.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, it is provided that a kind of LED lamp with USB interface
String control system.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of LED lamp with USB interface string control system,
Including possessing the power supply of USB interface, possessing the power line of USB joint, controller and LED string;
One end of described power line is by being electrically connected with described power supply in the USB interface of its USB joint described power supply of insertion
Connecing, the other end of described power line electrically connects with one end of described controller, the other end of described controller and described LED string
Electrical connection.
On the basis of technique scheme, this utility model can also do following improvement.
Further, described power supply includes possessing the socket of USB interface, host computer or charger baby.
Further, the control circuit that described controller uses is first control circuit;
Described first control circuit includes the first master control IC chip, the first decoupling filter circuit, the first clock circuit and
One key circuit, wherein, described first clock circuit is connected with described first master control IC chip with described first key circuit;
Described first decoupling filter circuit includes one end of an electric capacity C11, described electric capacity C11 and described first master control
First pin of IC chip is all connected with input power, the other end ground connection of described electric capacity C11;
Described first clock circuit includes an agitator Y11, and the two ends of described agitator Y11 are main with described first respectively
Second pin and the three-prong of control IC chip are connected;
Described first key circuit includes key switch S11 and key switch S12, one end of described key switch S11 with
4th pin of described first master control IC chip is connected, one end of described key switch S12 and described first master control IC chip
5th pin be connected, the other end of described key switch S11, the other end of described key switch S12, described electric capacity C11 another
The lead-in wire that 6th pin of one end and described first master control IC chip is drawn converges rear ground connection.
Further, described LED string uses the first lamp string circuit, described first lamp string circuit to control electricity with described first
Road connects;
Described first lamp string circuit includes that one group of LED group and resistance R11, described LED group include multiple LED, and
It it is positive and negative interval parallel relationship between multiple LED;
Multiple LED of described LED group draw two terminals, one of them terminals by described resistance R11 with
7th pin of described first master control IC chip connects, and another terminals connect with the 8th pin of described first master control IC chip
Connect.
Further, the control circuit that described controller uses is second control circuit;
Described second control circuit include 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 testing circuit and power output circuit;Wherein, described second
Key circuit, described second clock circuit, described indicating circuit, described selection circuit, described booster circuit, described protection detection
Circuit is all connected with described second master control IC chip with described power output circuit;
Described second decoupling filter circuit includes polar capacitor C21, the positive pole of described polarized electric capacity C21 and described the
4th pin of two master control IC chips is all connected with input power, the minus earth of described polarized electric capacity C21.
Further, described second key circuit includes key switch S21 and key switch S22;Described key switch S21
One end be connected with the second pin of described second master control IC chip, one end of described key switch S22 and described second master control
The three-prong of IC chip is connected, the other end of described key switch S21, the other end of described key switch S22 and described
The negative pole of electric capacity C21 converges rear ground connection;
Described second clock circuit includes electric capacity C21, electric capacity C22 and agitator X21, the of described second master control IC chip
Five pins one end with one end of described electric capacity C21 and described agitator X21 respectively is connected, described second master control IC chip
The 6th pin other end with one end of described electric capacity C22 and described agitator X21 respectively is connected, and described electric capacity C21's is another
The other end of one end and described electric capacity C22 converges rear ground connection;
Described indicating circuit includes resistance R24 and optical diode LED21, and one end of described resistance R24 is main with described second
8th pin of control IC chip is connected, and the other end of described resistance R24 is connected with the positive pole of described optical diode LED21, described
The minus earth of optical diode LED21;
Described selection circuit includes switching K21, the tenth pin of described second master control IC chip and the one of described switch K21
End connects, and the 11st pin of described second master control IC chip and the other end of described switch K21 converge rear ground connection.
Further, described booster circuit includes inductance coil L21, resistance R21, NPN type triode Q21, diode D21
With polarized electric capacity C24;
One end of described resistance R21 is connected with the first pin of described second master control IC chip, another of described resistance R21
End is connected with the base stage of described audion Q21;The colelctor electrode of described audion Q21 respectively with one end of described inductance coil L21
And the positive pole of described diode D21 connects, the positive pole of the other end of described inductance coil L21 and described electric capacity C21 and institute
The 4th pin stating the second master control IC chip together accesses input power, and the negative pole of described diode D21 has pole with described respectively
Property electric capacity C24 positive pole connect and access described protection testing circuit, the negative pole of described polarized electric capacity C24 is respectively with described
The lead-in wire that the emitter stage of audion Q21 is drawn converges rear ground connection and accesses described protection testing circuit.
Further, described protection testing circuit includes resistance R25 and resistance R26;
One end of described resistance R25 positive pole with the negative pole of described diode D21, described electric capacity C24 respectively be connected and
Access described power output circuit, the other end of described resistance R25 respectively with the 12nd pin of described second master control IC chip
And one end of described resistance R26 connects;The negative pole of the other end of described resistance R26 and described electric capacity C24 and described three poles
The emitter stage of pipe Q21 converges rear ground connection.
Further, described 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 described resistance R22 is connected with the tenth three-prong of described second master control IC chip, and described resistance R22's is another
One end is connected with the base stage of described audion Q22;One end of described resistance R23 is managed with the 14th of described second master control IC chip
Foot connects, and the other end of described resistance R23 is connected with the base stage of described audion Q23;The emitter stage of described audion Q22 and institute
The emitter stage stating audion Q23 converges rear ground connection;The emitter stage of described audion Q24 and the emitter stage of described audion Q25 converge
After conjunction, the negative pole with one end of described resistance R25, the positive pole of described electric capacity C24 and described diode D21 is connected, described three poles
The base stage of pipe Q24 is connected with one end of described R27, and the base stage of described audion Q25 is connected with one end of described R28;Described three
The other end of the colelctor electrode of pole pipe Q22, the colelctor electrode of described audion Q24 and described resistance R28 forms second after converging and connects
Line end, after the other end of the colelctor electrode of described audion Q23, the colelctor electrode of described audion Q25 and described resistance R27 converges
Form the first terminals.
Further, described LED string uses the second lamp string circuit or the 3rd lamp string circuit, described second lamp string circuit or
Described 3rd lamp string circuit is connected with described second control circuit;
Described second lamp string circuit includes that one or more LED parallel lamp group, each described LED parallel lamp group include two groups
LED group in parallel, in two groups of LED groups in parallel, each LED group includes the LED of multiple series connection, and two groups in parallel
In LED group, the negative pole of the positive pole of one of which LED group and another group LED group accesses described first terminals after connecting,
The negative pole of described one of which LED group accesses described second terminals after being connected with the positive pole of another group LED group;If it is described
Second lamp string circuit includes multiple LED parallel lamp group, is parallel relationship between the most multiple LED parallel lamp groups;
Described 3rd lamp string circuit includes that multiple LED strip joins lamp group, and each described LED strip connection lamp group includes multiple just sowing distrust among one's enemies
Being series relationship between LED in parallel, multiple described LED strip connection lamp group, multiple described LED strip connection lamp group forms two and connects
Line end, one of them terminals accesses described first terminals, and another one terminals access described second terminals.
The beneficial effects of the utility model are: LED string of the present utility model is applicable to all electricity possessing USB
Source, inserts power supply by possessing the power line of USB joint, can be for LED statements based on collusion electricity, and the suitability is strong, and this utility model
The control circuit element that uses of controller few, stability is high, and the connection with LED string has only to two terminals, it is possible to joint
About cost.
Accompanying drawing explanation
Fig. 1 is the structure chart of LED lamp with USB interface string control system described in the utility model;
Fig. 2 is first control circuit and the circuit diagram of the first lamp string circuit in this utility model;
Fig. 3 is second control circuit and the circuit diagram of the second lamp string circuit in this utility model;
Fig. 4 is the circuit diagram of the 3rd lamp string circuit in this utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
101, the first master control IC chip, the 102, first decoupling filter circuit, the 103, first clock circuit, the 104, first button
Circuit;
201, 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 testing circuit, 209, power output electricity
Road, the 210, first terminals, the 211, second terminals.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
Fig. 1 is the structure chart of LED lamp with USB interface string control system described in the utility model.
As it is shown in figure 1, a kind of LED lamp with USB interface string control system, including possessing the power supply of USB interface, possessing USB and connect
Head power line, controller and LED string, one end of power line by by its USB joint insert power supply USB interface in electricity
Source electrically connects, and the other end of power line electrically connects with one end of controller, and the other end of controller electrically connects with LED string, its
In, the control circuit that controller uses is first control circuit or second control circuit, and the control circuit used when controller is
During first control circuit, LED string use for the first lamp string circuit;The control circuit used when controller is the second control electricity
Lu Shi, LED string use for the second lamp string circuit.
Wherein possess the power supply of USB interface and include all there is USB interface and can be with the device of out-put supply, Ke Yiwei
Possess the socket of USB interface, host computer, charger baby etc..Because general USB interface output is 5V DC low-tension supply, meet
The standard of the low-tension supply of LED string 3V-16V AC/DC, is therefore not necessary for LED string design specialized low-tension supply, the most not
The problem that Power Interface Standard differs can be produced, while having saved cost, add the suitability of LED string.
Fig. 2 is first control circuit and the circuit diagram of the first lamp string circuit in this utility model.
As in figure 2 it is shown, first control circuit includes first master control IC chip the 101, first decoupling filter circuit 102, first
Clock circuit 103 and the first key circuit 104, 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 an electric capacity C11, one end of electric capacity C11 and the first master control IC chip 101
The first pin be all connected with input power, the power supply wherein inputted is whole first control circuit and the first lamp string circuit is powered,
The other end ground connection of electric capacity C11.First decoupling filter circuit 102 can be power filter.
First clock circuit 103 includes an agitator Y11, the two ends of agitator Y11 respectively with the first master control IC chip
Second pin of 101 and three-prong are connected.First clock circuit 103 is used for providing clock.
First key circuit 104 includes key switch S11 and key switch S12, and one end of key switch S11 is main with first
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 electric capacity C11 and the first master control IC chip 101
The 6th pin draw lead-in wire converge rear ground connection.Wherein, key switch S11 is used can to select the flashing mode of LED string
And be turned on or off, use key switch S12 can open and close first control circuit and the first lamp string circuit is constituted
Whole circuit.
First control circuit is also connected with the first lamp string circuit.Be specially the first master control IC chip 101 the 7th pin and
8th pin and the first lamp string circuit connect.
First lamp string circuit includes one group of LED group and resistance R11, and LED group includes multiple LED, and multiple LED
Between be positive and negative interval parallel relationship;Multiple LED of LED group draw two terminals, and one of them terminals is by electricity
7th pin of resistance R11 and the first master control IC chip 101 connects, another terminals and the 8th of the first master control IC chip 101 the
Pin connects.LED group is distinguished by Fig. 2 with A and B, between the LED that wherein represents with A and the LED represented with B
Across being connected in parallel, the positive pole of all LED that A represents is all by resistance R11 and the 7th pipe of the first master control IC chip 101
Foot connects, and the negative pole of all LED that A represents all the 8th pins with the first master control IC chip 101 are connected;It is all that B represents
The negative pole of LED is all connected by the 7th pin of resistance R11 and the first master control IC chip 101, all LED that B represents
Positive pole all the 8th pins with the first master control IC chip 101 are connected.Wherein, the inside of the first master control IC chip 101 is the most integrated
Having H bridge output circuit, therefore internal signal controls the H bridge the 7th pin from the first master control IC chip 101 and the output of 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 component that this utility model uses is few, stability is high, low cost, with LED
Lamp is contacted and is had only to the 7th pin and the 8th pin the two terminals on the first master control IC chip 101 when connecing, and traditional two
Road control mode needs three terminals, therefore can save electric wire used by lamp string.
Fig. 3 is second control circuit and the circuit diagram of the second lamp string circuit in this utility model.
As it is shown on figure 3, second control circuit includes second master control IC chip the 201, second decoupling filter circuit 202, second
Key circuit 203, second clock circuit 204, indicating circuit 205, selection circuit 206, booster circuit 207, protection testing 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 testing circuit 208 are all connected with the second master control IC chip 201 with power output circuit 209.
Second decoupling filter circuit 202 includes positive pole and the second master control IC of polar capacitor C21, polarized electric capacity C21
4th pin of chip 201 is all connected with input power, and input power is whole second control circuit and the confession of the second lamp string circuit
Electricity.The minus earth of polarized electric capacity C21.Second decoupling filter circuit 202 can be power filter.
Second key circuit 203 includes key switch S21 and key switch S22, and one end of key switch S21 is main with second
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 negative pole of the other end of key switch S21, the other end of key switch S22 and electric capacity C21 converges rear ground connection.Use button is opened
Close S21 and can select flashing mode and the switch of lamp string.Use key switch S22 can select timing and variable interval.
Second clock circuit 204 includes electric capacity C21, electric capacity C22 and agitator X21, the 5th of the second master control IC chip 201
Pin is connected with one end of electric capacity C21 and one end of agitator X21 respectively, and the 6th pin of the second master control IC chip 201 divides
Not being connected with one end of electric capacity C22 and the other end of agitator X21, the other end of electric capacity C21 converges with the other end of electric capacity C22
Ground connection after conjunction;Second clock circuit 204 is used for providing clock.
Indicating circuit 205 includes resistance R24 and optical diode LED21, one end of resistance R24 and the second master control IC chip
8th pin of 201 is connected, and the other end of resistance R24 is connected with the positive pole of optical diode LED21, and optical diode LED21's is negative
Pole ground connection.Optical diode LED21 is used for indicating timing status, and optical diode LED21 is bright is timing, goes out for variable interval.
Selection circuit 206 includes switching K21, and the tenth pin of the second master control IC chip 201 connects with one end of switch K21
Connecing, the 11st pin of the second master control IC chip 201 converges rear ground connection with the other end of switch K21, 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
Holding C24, one end of resistance R21 is connected with the first pin of the second master control IC chip 201, the other end of resistance R21 and audion
The base stage of Q21 connects;The colelctor electrode of audion Q21 connects with one end of inductance coil L21 and the positive pole of diode D21 respectively
Connecing, the other end of inductance coil L21 together accesses with the positive pole of electric capacity C21 and the 4th pin of the second master control IC chip 201
Input power, the negative pole of diode D21 positive pole with polarized electric capacity C24 respectively is connected and accesses protection testing circuit 208,
The lead-in wire that the negative pole of polarized electric capacity C24 is drawn with the emitter stage of audion Q21 respectively converges rear ground connection and accesses protection inspection
Slowdown monitoring circuit 208.
The voltage boosting pulse of the second master control IC chip 201 entered resistance R21 and controlled audion Q21 switch time, electric current according to
The ETAD expected time of arrival and departure of audion Q21, through inductance coil L21 and audion Q21 to GND power consumption, the most also charges for inductance coil L21;
The time closed according to audion Q21, the electricity that inductance coil L21 is full of raises, when three to electric capacity C24 charging through diode D21
When pole pipe Q21 opens again, due to diode D21 one-way conduction, electric current will not flow to audion Q21, thus the electricity obtained
Can only consume through lamp string, complete from the process boosting to power consumption.
Protection testing circuit 208 includes resistance R25 and resistance R26, one end of resistance R25 negative with diode D21 respectively
Pole, electric capacity C24 positive pole connect and access power output circuit 209, the other end of resistance R25 respectively with the second master control IC core
12nd pin of sheet 201 and one end of resistance R26 connect;The negative pole of the other end of resistance R26 and electric capacity C24 and three poles
The emitter stage of pipe Q21 converges rear ground connection.It is the most too high that resistance R25 and resistance R26 is used for detecting boosting, presses through if be detected that rise
Height is then closed power supply thus is protected element to reduce power supply waste, and when boosting too high, the electric current through resistance R25 increases, resistance
The upper terminal potential of R26 rises, and when the value that terminal potential on resistance R26 sets equal to or more than the second master control IC chip 201, second is main
Control IC chip 201 stops output, and booster circuit 207, power output circuit 209 and indicating circuit 205 quit work therewith.
Power output circuit 209 includes resistance R22, resistance R23, resistance R27, resistance R28, NPN type triode Q22, NPN
Type audion 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 audion Q22;One end of resistance R23 and the second master control IC
14th pin of chip 201 connects, and the other end of resistance R23 is connected with the base stage of audion Q23;The transmitting of audion Q22
The emitter stage of pole and audion Q23 converges rear ground connection;The emitter stage of audion Q24 and the emitter stage of audion Q25 converge after with
The negative pole of one end of resistance R25, the positive pole of electric capacity C24 and diode D21 is connected, the base stage of audion Q24 and one end of R27
Connecting, the base stage of audion Q25 is connected with one end of R28;The colelctor electrode of audion Q22, the colelctor electrode of audion Q24 and electricity
The other end of resistance R28 forms the second terminals 211 after converging, the colelctor electrode of audion Q23, the colelctor electrode of audion Q25 and
The other end of resistance R27 forms the first terminals 210 after converging.The flashing light of the second master control IC chip 201 exports respectively through merit
The resistance R22 and resistance R23 of rate output circuit 209 controls audion Q22 and audion Q23 on an off, the most just controls lamp string
Light on and off, when audion Q23 turns on, audion Q24 also follows conducting, and one group of lamp string is lit, when audion Q22 turn on
Time, audion Q25 also follows conducting, and another group 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 that one or more LED parallel lamp group, each LED parallel lamp group include two groups of parallel connections
LED group, in two groups of LED groups in parallel, each LED group includes the LED of multiple series connection, and two groups of LED groups in parallel
The negative pole of the positive pole of middle one of which LED group and another group LED group accesses described first terminals 210, wherein after connecting
The negative pole of one group of LED group accesses the second terminals 211 after being connected with the positive pole of another group LED group;If the second lamp string circuit
Including multiple LED parallel lamp groups, it is parallel relationship between the most multiple LED parallel lamp groups.Fig. 3 provides the second lamp string circuit and includes one
Two groups of LED groups LED parallel lamp group included are distinguished, the LED that A represents by individual LED parallel lamp group with A and B
For parallel relationship between the LED group that group and B represent, the negative pole of the LED group that the positive pole of the LED group that A represents and B represent converges
Accessing the first terminals 210 after conjunction, the positive pole of the LED group that the negative pole of the LED group that A represents and B represent accesses the after converging
Two terminals 211.No matter the second lamp string circuit includes one or multiple LED parallel lamp group, at second control circuit and second
When lamp string circuit connects, it is not required to the both positive and negative polarity of differentiation the second lamp string circuit deliberately.
Fig. 4 is the circuit diagram of the 3rd lamp string circuit in this utility model.
As shown in Figure 4, the 3rd lamp string circuit includes that multiple LED strip joins lamp group, and each LED strip connection lamp group includes multiple positive and negative
The LED that interval is in parallel, is series relationship between multiple LED strip connection lamp group, and multiple LED strip connection lamp group forms two terminals,
One of them terminals accesses the first terminals 210, and another one terminals access the second terminals 211;Be given in Fig. 4
Three lamp string circuits include that multiple LED strip joins lamp group, are series relationship between each LED strip connection lamp group, and each LED strip connection lamp
Group all includes that the LED that 4 positive and negative intervals are in parallel, the terminals of first LED strip connection lamp group extraction access the first terminals
210, the terminals that last LED strip connection lamp group is drawn access the second terminals 211;Second control circuit and the 3rd lamp string
When road connects, it is not required to the both positive and negative polarity of differentiation the 3rd lamp string circuit deliberately.
From the foregoing, it will be observed that the second control circuit component that this utility model uses is few, stability is high, low cost, with LED
Lamp series winding has only to two terminals when connecing, and traditional two-way control mode needs three terminals, therefore can save lamp
String electric wire used.
From the foregoing, it will be observed that the second control circuit component that this utility model uses is few, stability is high, low cost, only need
Want two terminals, when connecing with lamp series winding, it is not necessary to distinguish the both positive and negative polarity of lamp string;And traditional two-way control mode needs three
Terminals, when connecing with lamp series winding, in addition it is also necessary to distinguishing the both positive and negative polarity of lamp string, therefore this utility model can save the electricity consumption of lamp string institute
Line, and easy to connect.
Above-mentioned first control circuit and second control circuit all use the mode of 150-250HZ pulse to export, and have energy-conservation
Effect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. a LED lamp with USB interface string control system, it is characterised in that include possessing the power supply of USB interface, possess USB joint
Power line, controller and LED string;
One end of described power line by will its USB joint insert described power supply USB interface in electrically connect with described power supply, institute
One end of the other end and described controller of stating power line electrically connects, and the other end of described controller is electrically connected with described LED string
Connect;
The control circuit that described controller uses is first control circuit;
Described first control circuit includes the first master control IC chip (101), the first decoupling filter circuit (102), the first clock electricity
Road (103) and the first key circuit (104), wherein, described first clock circuit (103) and described first key circuit (104)
It is connected with described first master control IC chip (101);
Described first decoupling filter circuit (102) includes one end of an electric capacity C11, described electric capacity C11 and described first master
First pin of control IC chip (101) is all connected with input power, the other end ground connection of described electric capacity C11.
LED lamp with USB interface string control system the most according to claim 1, it is characterised in that described power supply includes possessing
The socket of USB interface, host computer or charger baby.
LED lamp with USB interface string control system the most according to claim 1, it is characterised in that
Described first clock circuit (103) includes an agitator Y11, and the two ends of described agitator Y11 are respectively with described first
Second pin of master control IC chip (101) and three-prong are connected;
Described first key circuit (104) includes key switch S11 and key switch S12, one end of described key switch S11 with
4th pin of described first master control IC chip (101) is connected, one end of described key switch S12 and described first master control IC core
5th pin of sheet (101) is connected, the other end of described key switch S11, the other end of described key switch S12, described electricity
The lead-in wire that 6th pin of the other end and described first master control IC chip (101) that hold C11 is drawn converges rear ground connection.
LED lamp with USB interface string control system the most according to claim 3, it is characterised in that described LED string uses the
One lamp string circuit, described first lamp string circuit is connected with described first control circuit;
Described first lamp string circuit includes that one group of LED group and resistance R11, described LED group include multiple LED, and multiple
It it is positive and negative interval parallel relationship between LED;
Multiple LED of described LED group draw two terminals, and one of them terminals passes through described resistance R11 with described
7th pin of the first master control IC chip (101) connects, another terminals and the 8th of described first master control IC chip (101)
Pin connects.
5. a LED lamp with USB interface string control system, it is characterised in that include possessing the power supply of USB interface, possess USB joint
Power line, controller and LED string;
One end of described power line by will its USB joint insert described power supply USB interface in electrically connect with described power supply, institute
One end of the other end and described controller of stating power line electrically connects, and the other end of described controller is electrically connected with described LED string
Connect;
The control circuit that described controller uses is second control circuit;
Described second control circuit includes the second master control IC chip (201), the second decoupling filter circuit (202), the second button electricity
Road (203) and second clock circuit (204);Wherein, described second key circuit (203) and described second clock circuit (204)
All it is connected with described second master control IC chip (201);
Described second decoupling filter circuit (202) includes polar capacitor C21, and the positive pole of described polarized electric capacity C21 is with described
4th pin of the second master control IC chip (201) is all connected with input power, the minus earth of described polarized electric capacity C21.
LED lamp with USB interface string control system the most according to claim 5, it is characterised in that described second control circuit is also
Including indicating circuit (205), selection circuit (206), booster circuit (207), protection testing circuit (208) and power output circuit
(209), wherein,
Described indicating circuit (205), described selection circuit (206), described booster circuit (207), described protection testing circuit
(208) all it is connected with described second master control IC chip (201) with described power output circuit (209);
Described second key circuit (203) includes key switch S21 and key switch S22;One end of described key switch S21 with
Second pin of described second master control IC chip (201) is connected, one end of described key switch S22 and described second master control IC core
The three-prong of sheet (201) is connected, the other end of described key switch S21, the other end of described key switch S22 and described
The negative pole of electric capacity C21 converges rear ground connection;
Described second clock circuit (204) includes electric capacity C21, electric capacity C22 and agitator X21, described second master control IC chip
(201) the 5th pin one end with one end of described electric capacity C21 and described agitator X21 respectively is connected, and described second is main
6th pin of control IC chip (201) other end with one end of described electric capacity C22 and described agitator X21 respectively is connected,
The other end of described electric capacity C21 converges rear ground connection with the other end of described electric capacity C22;
Described indicating circuit (205) includes resistance R24 and optical diode LED21, and one end of described resistance R24 is main with described second
8th pin of control IC chip (201) is connected, and the other end of described resistance R24 is connected with the positive pole of described optical diode LED21,
The minus earth of described optical diode LED21;
Described selection circuit (206) includes switching K21, the tenth pin of described second master control IC chip (201) and described switch
One end of K21 connects, after the 11st pin of described second master control IC chip (201) and the other end of described switch K21 converge
Ground connection.
LED lamp with USB interface string control system the most according to claim 6, it is characterised in that described booster circuit (207)
Including inductance coil L21, resistance R21, NPN type triode Q21, diode D21 and polarized electric capacity C24;
One end of described resistance R21 is connected with the first pin of described second master control IC chip (201), and described resistance R21's is another
One end is connected with the base stage of described audion Q21;The colelctor electrode of described audion Q21 respectively with the one of described inductance coil L21
The positive pole of end and described diode D21 connects, the positive pole of the other end of described inductance coil L21 and described electric capacity C21 and
4th pin of described second master control IC chip (201) together accesses input power, the negative pole of described diode D21 respectively with institute
The positive pole stating polarized electric capacity C24 connects and accesses described protection testing circuit (208), and described polarized electric capacity C24's is negative
The lead-in wire that pole is drawn with the emitter stage of described audion Q21 respectively converges rear ground connection and accesses described protection testing circuit
(208)。
LED lamp with USB interface string control system the most according to claim 7, it is characterised in that described protection testing circuit
(208) resistance R25 and resistance R26 is included;
One end of described resistance R25 positive pole with the negative pole of described diode D21, described electric capacity C24 respectively is connected and accesses
Described power output circuit (209), the other end of described resistance R25 respectively with the tenth of described second master control IC chip (201)
One end of two pins and described resistance R26 connects;The negative pole of the other end of described resistance R26 and described electric capacity C24 and institute
The emitter stage stating audion Q21 converges rear ground connection.
LED lamp with USB interface string control system the most according to claim 8, it is characterised in that described power output circuit
(209) resistance R22, resistance R23, resistance R27, resistance R28, NPN type triode Q22, NPN type triode Q23, positive-negative-positive are included
Audion Q24, PNP type triode Q25;
One end of described resistance R22 is connected with the tenth three-prong of described second master control IC chip (201), described resistance R22's
The other end is connected with the base stage of described audion Q22;One end of described resistance R23 and described second master control IC chip (201)
14th pin connects, and the other end of described resistance R23 is connected with the base stage of described audion Q23;Described audion Q22 sends out
The emitter stage of emitter-base bandgap grading and described audion Q23 converges rear ground connection;The emitter stage of described audion Q24 and described audion Q25's
Emitter stage is connected with the negative pole of one end of described resistance R25, the positive pole of described electric capacity C24 and described diode D21 after converging,
The base stage of described audion Q24 is connected with one end of described R27, and the base stage of described audion Q25 connects with one end of described R28
Connect;The other end of the colelctor electrode of described audion Q22, the colelctor electrode of described audion Q24 and described resistance R28 converges rear shape
Become the second terminals (211), the colelctor electrode of described audion Q23, the colelctor electrode of described audion Q25 and described resistance R27
The other end converge after form the first terminals (210).
LED lamp with USB interface string control system the most according to claim 9, it is characterised in that described LED string uses
Second lamp string circuit or the 3rd lamp string circuit, described second lamp string circuit or described 3rd lamp string circuit control electricity with described second
Road connects;
Described second lamp string circuit includes that one or more LED parallel lamp group, each described LED parallel lamp group include two groups of parallel connections
LED group, in two groups of LED groups in parallel, each LED group includes the LED of multiple series connection, and two groups of LED in parallel
In group, the negative pole of the positive pole of one of which LED group and another group LED group accesses described first terminals (210) after connecting,
The negative pole of described one of which LED group accesses described second terminals (211) after being connected with the positive pole of another group LED group;
If described second lamp string circuit includes multiple LED parallel lamp group, it is parallel relationship between the most multiple LED parallel lamp groups;
Described 3rd lamp string circuit includes that multiple LED strip joins lamp group, and each described LED strip connection lamp group includes multiple positive and negative interval also
The LED of connection, is series relationship between multiple described LED strip connection lamp group, and multiple described LED strip connection lamp group forms two wiring
End, one of them terminals accesses described first terminals (210), and another one terminals access described second terminals
(211)。
Priority Applications (1)
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CN201620072509.1U CN205754934U (en) | 2016-01-25 | 2016-01-25 | A kind of LED lamp with USB interface string control system |
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CN201620072509.1U CN205754934U (en) | 2016-01-25 | 2016-01-25 | A kind of LED lamp with USB interface string control system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109462912A (en) * | 2018-10-23 | 2019-03-12 | 程思明 | A kind of LED light string of USB power supply |
CN112413447A (en) * | 2020-10-30 | 2021-02-26 | 浙江双宇电子科技有限公司 | Method for making two-stage lighting effect on one filament |
-
2016
- 2016-01-25 CN CN201620072509.1U patent/CN205754934U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109462912A (en) * | 2018-10-23 | 2019-03-12 | 程思明 | A kind of LED light string of USB power supply |
CN112413447A (en) * | 2020-10-30 | 2021-02-26 | 浙江双宇电子科技有限公司 | Method for making two-stage lighting effect on one filament |
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