CN211019343U

CN211019343U - Three-wire forward and reverse L ED lamp string control circuit and 6-way L ED lamp string

Info

Publication number: CN211019343U
Application number: CN201922052746.8U
Authority: CN
Inventors: 谢华荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-14
Anticipated expiration: 2029-11-25

Abstract

The utility model is suitable for an L ED lamp control technical field provides a L ED lamp cluster control circuit and 6 way L ED lamp cluster of three-way forward and reverse, three-way forward and reverse L ED lamp cluster control circuit includes external power supply, a single-chip microcomputer, drive circuit and L ED banks circuit, drive circuit includes the first field effect transistor of P type channel, the third field effect transistor, fifth field effect transistor and seventh field effect transistor, the second field effect transistor of N type channel, fourth field effect transistor and sixth field effect transistor, be equipped with first port on the wire between the drain electrode of second field effect transistor and the drain electrode of third field effect transistor, be equipped with the second port on the wire between the drain electrode of fourth field effect transistor and the drain electrode of fifth field effect transistor, be equipped with the third port on the wire between the drain electrode of sixth field effect transistor and the drain electrode of seventh field effect transistor, L ED banks circuit connection first port, second port and third port adopt the technical scheme that the utility model provides can realize 3 way, 4 way, 5 way or 6 way L are luminous.

Description

Three-wire forward and reverse L ED lamp string control circuit and 6-way L ED lamp string

Technical Field

The utility model belongs to the technical field of L ED lamp control, concretely relates to L ED lamp cluster control circuit and 6 way L ED lamp cluster of three-wire forward and reverse.

Background

The decorative color lamp is a decorative lamp formed by connecting a plurality of lamp beads in series or in parallel, a five-wire four-way mode is adopted for realizing four-way driving in the prior art, 5 wires are needed, a six-wire five-way mode is adopted for realizing five-way driving, 6 wires are needed, 7 wires are needed for realizing six-way driving, the circuit wiring structure is complex, the use cost of L ED lamp strings is correspondingly overhigh, the L ED color lamps on the market at present can hardly realize the effect of color conversion of various color lamps through one control circuit, and the light emitting mode is single.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a three-wire forward and reverse L ED lamp cluster control circuit, aim at solving L ED lamp cluster control circuit problem that wiring structure is complicated, with high costs when realizing the multichannel drive among the prior art.

The embodiment of the utility model provides a realize like this, provide a three-wire forward and reverse L ED lamp cluster control circuit, including external power source (VCC), singlechip (U1), drive circuit and L ED banks circuit, external power source (VCC) does singlechip (U1) with the drive circuit power supply, drive circuit includes first field effect transistor (Q1) of P type channel, second field effect transistor (Q2) of N type channel, third field effect transistor (Q3) of P type channel, fourth field effect transistor (Q4) of N type channel, fifth field effect transistor (Q5) of P type channel, sixth field effect transistor (Q6) of N type channel and seventh field effect transistor (Q7) of P type channel.

Further, the gate of the second field effect transistor (Q2), the gate of the fourth field effect transistor (Q4) and the gate of the sixth field effect transistor (Q6) are respectively connected to the first output end, the second output end and the third output end of the single chip microcomputer (U1), the sources of the second field effect transistor (Q2), the fourth field effect transistor (Q4) and the sixth field effect transistor (Q6) are respectively grounded, the drain of the second field effect transistor (Q2) is connected to the drain of the third field effect transistor (Q3), the drain of the fourth field effect transistor (Q4) is connected to the drain of the fifth field effect transistor (Q5), and the drain of the sixth field effect transistor (Q6) is connected to the drain of the seventh field effect transistor (Q7); the source electrodes of the third field-effect tube (Q3), the fifth field-effect tube (Q5) and the seventh field-effect tube (Q7) are respectively connected with the drain electrode of the first field-effect tube (Q1), and the grid electrode of the third field-effect tube (Q3), the grid electrode of the fifth field-effect tube (Q5) and the grid electrode of the seventh field-effect tube (Q7) are respectively connected with the fourth output end, the fifth output end and the sixth output end of the singlechip (U1); the grid electrode of the first field effect transistor (Q1) is connected with the PWM control signal output end of the single chip microcomputer (U1), and the source electrode of the first field effect transistor (Q1) is connected with the anode of the external power supply (VCC);

the LED lamp comprises a first field effect transistor (Q2), a second field effect transistor (Q3), a fifth field effect transistor (Q5), a fifth field effect transistor (Q4), a fifth field effect transistor (Q5), a fifth field effect transistor (Q3884), a sixth field effect transistor (Q6), a sixth field effect transistor (Q7), a L ED lamp group circuit and a L ED lamp group circuit, wherein the first port (L), the second port (L) and the third port (L) are connected to each other, the L ED lamp group circuit comprises a plurality of light emitting diodes, the light emitting diodes are connected between any two ports of the first port (L), the second port (L) and the third port (L) in parallel, adjacent two light emitting diodes between the same two ports are opposite in polarity, and the adjacent two light emitting diodes are connected between the first port (L1), the second port (L) and the third port (L) in parallel, and the light emitting diodes are in the same two ports, and the adjacent two light emitting diodes are in the ED lamp group 638, 6866 or one.

Further, the control circuit further comprises a clock circuit, the clock circuit comprises a first capacitor (C1), a second capacitor (C2) and a crystal oscillator (Y1), two ends of the crystal oscillator (Y1) are respectively connected with two clock ends of the single chip microcomputer (U1), the first capacitor (C1) is connected between a first end of the crystal oscillator (Y1) and the ground, and the second capacitor (C2) is connected between a second end of the crystal oscillator (Y1) and the ground. Further, the control circuit further comprises an input circuit used for a user to select a working mode, the input circuit comprises a key switch (S1), a pull-up resistor (R11), a driving chip IR1 and a voltage stabilizing capacitor C3, the key switch (S1) is connected between the input end of the single chip microcomputer (U1) and the ground, the pull-up resistor (R11) is connected between the anode of the external power supply (VCC) and the VDD pin of the driving chip IR1, the VSS pin of the driving chip IR1 is grounded, the output end of the driving chip IR1 is connected with the input end of the single chip microcomputer (U1), and the voltage stabilizing capacitor C3 is connected between the VDD pin of the driving chip IR1 and the ground.

Further, the control circuit further comprises a voltage stabilizing capacitor C4, the power supply end of the single chip microcomputer (U1) is connected with the anode of an external power supply (VCC), and the voltage stabilizing capacitor C4 is connected between the anode of the external power supply (VCC) and the ground.

Further, when the L ED light group circuit is a 3-way L ED light group circuit, the L0 ED light group circuit includes a first light emitting diode (L1 ED1), a second light emitting diode (L2 ED2), and a third light emitting diode (L ED3), wherein any two port combinations of the third light emitting diode (L ED3) connected in parallel are different from the two port combinations of the first light emitting diode (L ED1) connected in parallel and the second light emitting diode (L ED2) connected in parallel, and when the first light emitting diode (L ED1) and the second light emitting diode (L ED2) are connected in parallel between the same two ports, the first light emitting diode (L ED1) is opposite in polarity to the second light emitting diode (L ED 2).

Further, when the ED lamp group circuit is a 4-way ED lamp group circuit, the 0ED lamp group circuit includes a first light emitting diode (1 ED), a second light emitting diode (2 ED), a third light emitting diode (3 ED), and a fourth light emitting diode (4 ED), wherein the first light emitting diode (5 ED) and the second light emitting diode (6 ED) are connected in parallel between the same two ports, the first light emitting diode (7 ED) and the second light emitting diode (8 ED) are opposite in polarity, any two port combinations of the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) connected in parallel are different from the two port combinations of the first light Emitting Diode (ED) and the second light Emitting Diode (ED) connected in parallel, and the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are opposite in polarity when the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are connected in parallel between the same two ports,

when the ED lamp group circuit is a 5-way ED lamp group circuit, the 0ED lamp group circuit includes a first light emitting diode (1 ED), a second light emitting diode (2 ED), a third light emitting diode (3 ED), a fourth light emitting diode (4 ED) and a fifth light emitting diode (5 ED), wherein the first light emitting diode (6 ED) and the second light emitting diode (7 ED) are connected in parallel between the same two ports, the first light emitting diode (8 ED) and the second light emitting diode (9 ED) have opposite polarities, the third light Emitting Diode (ED) and the fourth light emitting diode (0 ED) are connected in parallel between the same two ports, the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) have opposite polarities, and any two port combinations of the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) connected in parallel are different from two ports of the first light Emitting Diode (ED) and the second light Emitting Diode (ED) connected in parallel and the fifth light Emitting Diode (ED) connected in parallel.

Further, when the ED light bank circuit is a 6-way ED light bank circuit, the 0ED light bank circuit includes a first light emitting diode (1 ED), a second light emitting diode (2 ED), a third light emitting diode (3 ED), a fourth light emitting diode (4 ED), a fifth light emitting diode (5 ED), and a sixth light emitting diode (6 ED), wherein the first light emitting diode (7 ED) and the second light emitting diode (8 ED) are connected in parallel between the same two ports, the first light emitting diode (9 ED) is opposite in polarity to the second light Emitting Diode (ED), the third light emitting diode (0 ED) and the fourth light emitting diode (1 ED) are connected in parallel between the same two ports, the third light emitting diode (2 ED) is opposite in polarity to the fourth light emitting diode (3), the fifth light emitting diode (4 ED) and the sixth light emitting diode (5) are connected in parallel between the same two ports, the fifth light emitting diode (6) is opposite in polarity to the sixth light emitting diode (3 ED), the sixth light emitting diode (4 ED) is connected in parallel between the same two ports, and the fourth light emitting diode (6 ED) is connected in parallel with any combination of the third light Emitting Diode (ED) and the fourth light emitting diode (8 ED).

Another object of the embodiment of the utility model is to provide an adopt as above three-wire forward and reverse L ED lamp cluster control scheme's 6 way L ED lamp cluster, L ED banks circuit includes a plurality of RGB lamp pearls, two the tunnel in the L ED banks circuit RGB lamp pearl is used for sending warm white light, all the other four ways RGB lamp pearl is used for sending red green blue three kinds of primary colors light and by red green blue three kinds of colours through the light of the different colours that the combination obtained, singlechip (U1) inside is implanted the control program who is used for multiple light emitting mode in advance, and 6 way L ED lamp cluster basis control program realizes positive and negative jump mode.

Compared with the prior art, the utility model provides a three-wire positive and negative L ED lamp cluster control circuit's beneficial effect lies in that because L ED banks circuit includes a plurality of L ED, these a plurality of L ED are parallel connection respectively between arbitrary two ports in first port, second port and third port, and lie in adjacent two between the same two ports emitting diode polarity is opposite, consequently when exporting different pulse signal through the singlechip, the illumination of steerable L ED, make L ED lamp cluster that adopts this control circuit not only can realize three routes L ED luminous, can also realize four ways, five ways and six ways L ED luminous.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic circuit diagram of a three-wire forward/reverse L ED light string control circuit according to the present invention;

fig. 2 is a schematic diagram of a first embodiment of a 3-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention;

fig. 3 is a schematic diagram of a second embodiment of a 3-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention;

fig. 4 is a schematic diagram of a first embodiment of a 4-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention;

fig. 5 is a schematic diagram of a second embodiment of a 4-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention;

fig. 6 is a schematic diagram of an embodiment of a 5-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention;

fig. 7 is a schematic diagram of an embodiment of a 6-way L ED light group circuit of a three-wire forward/reverse L ED light string control circuit provided by the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a schematic circuit diagram of a three-wire forward and reverse L ED light string control circuit, as shown in fig. 1, a three-wire forward and reverse L ED light string control circuit, including external power source VCC, singlechip U1, drive circuit and L ED banks circuit, external power source VCC links to each other for singlechip U1 power supply through the power degree with singlechip U1 respectively (namely 5 th pin of singlechip U1), and external power source VCC connects for drive circuit power supply through linking to each other with the source electrode of field effect transistor Q1 and through current-limiting resistor R2 and singlechip U1's PWM (Pulse Width Modulation ) control signal output end (namely 11 th pin of singlechip U1).

In the drive circuit, the field effect transistors Q2, Q4 and Q6 are N-type channel field effect transistors (NMOS), the field effect transistors Q1 and Q3, q5 and Q7 are P type channel field effect transistors (PMOS), the grid of field effect transistor Q2 is connected with the first output terminal of singlechip U1 (namely the 4 th pin of singlechip U1) through current limiting resistor R5, the grid of field effect transistor Q4 is connected with the second output terminal of singlechip U1 (namely the 3 rd pin of singlechip U1) through current limiting resistor R8, the grid of field effect transistor Q6 is connected with the third output terminal of singlechip U1 (namely the 2 nd pin of singlechip U1) through current limiting resistor R10, the sources of field effect transistors Q2, Q4 and Q6 are respectively grounded, the drain of field effect transistor Q2 is connected with the drain of field effect transistor Q3 through current limiting resistor R3, the drain of field effect transistor Q4 is connected with the drain of field effect transistor Q5 through current limiting resistor R6, the drain of field effect transistor Q6 is connected with the drain of field effect transistor Q7 through current limiting resistor R9; the source electrodes of the field effect transistors Q3, Q5 and Q7 are respectively connected with the drain electrode of the field effect transistor Q1, the grid electrode of the field effect transistor Q3 is connected with the fourth output end of the singlechip U1 (namely the 13 th pin of the singlechip U1) through a current limiting resistor R4, the grid electrode of the field effect transistor Q5 is connected with the fifth output end of the singlechip U1 (namely the 14 th pin of the singlechip U1) through a current limiting resistor R7, and the grid electrode of the field effect transistor Q7 is connected with the sixth output end of the singlechip U1 (namely the 15 th pin of the singlechip U1) through a current limiting resistor R12; the grid of the field-effect transistor Q1 is connected with the PWM control signal output end of the singlechip U1, the current-limiting resistor R2 is connected between the anode of the external power supply VCC and the PWM control signal output end of the singlechip U1, and the source of the field-effect transistor Q1 is connected with the anode of the external power supply VCC. It should be noted that the current limiting resistors R2, R3, R4, R5, R6, R7, R8, R9, R10, and R12 play a role in limiting current, and may be omitted in some embodiments.

Further, a port L1 is provided on a lead between the drain of the fet Q2 and the drain of the fet Q3, a port L2 is provided on a lead between the drain of the fet Q4 and the drain of the fet Q5, and a port L, L ED lamp group circuit is connected to the ports L, L and L, the L ED lamp group circuit includes a plurality of leds L6 ED, the plurality of leds L ED are respectively connected in parallel between any two of the ports L, L and L3, and adjacent two leds L ED located between the same two ports have opposite polarities, the L lamp group circuit is one of a 3-way, 4-way, 5-way or 6-way L ED lamp group circuit, the forward and reverse light string control circuit of the present invention may output different signal strings through the single chip microcomputer 1, thereby reducing the cost of the conventional light string control and reducing the cost of the conventional three-way light string control circuit L.

In the embodiment of the utility model provides an among three-wire positive and negative L ED lamp cluster control circuit, this control module still includes clock circuit, and this clock circuit includes first electric capacity C1, second electric capacity C2 and crystal oscillator Y1, two clock ends (the 6 th pin and the 7 th pin of singlechip U1) of singlechip U1 are connected respectively to crystal oscillator Y1's both ends, and first electric capacity C1 is connected between crystal oscillator Y1's first end and ground, and second electric capacity C2 is connected between crystal oscillator Y1's second end and ground.

The embodiment of the utility model provides an in the L ED lamp cluster control circuit of three-wire forward and reverse, this control circuit still includes the input circuit that is used for supplying the user to select mode, this input circuit includes key switch S1, pull-up resistance R11, drive chip IR1 and voltage stabilizing capacitor C3, key switch S1 is connected between 10 th pin and the ground of singlechip U1, pull-up resistance R11 is connected between the positive pole of external power source VCC and the VDD pin of drive chip IR1, the VSS pin ground of drive chip IR1, the OUT pin of drive chip IR1 connects the 9 th pin of singlechip U1, voltage stabilizing capacitor C3 is connected between the VDD pin of drive chip IR1 and ground.

In the embodiment of the utility model provides an among the three-wire positive and negative L ED lamp cluster control circuit, this control module still includes voltage stabilizing capacitor C4, and voltage stabilizing capacitor C4 is connected between external power VCC's positive pole and ground.

In a specific application, the external power source VCC includes dc power provided by the battery pack and dc power accessed through the USB interface.

The working principle of the three-wire forward/reverse L ED lamp string control circuit of the present invention is further explained by the following embodiments.

Referring to fig. 2 and 3, fig. 2 is a schematic diagram illustrating a first embodiment of a 3-way L ED lamp set circuit configuration of a three-wire forward/reverse L ED lamp string control circuit provided by the present invention, and fig. 3 is a schematic diagram illustrating a second embodiment of a 3-way L ED lamp set circuit configuration of a three-wire forward/reverse L ED lamp string control circuit provided by the present invention.

L ED lamp group circuit includes 3 leds, first, second, and third leds L ED1, L, 820 ED2, and L ED3, respectively, first, second, and third leds L, 367, L, and L ED L, respectively, connected in parallel between any two of the above-mentioned ports 3651, L, and L, respectively, and any two port combinations of the third leds L ED L connected in parallel are different from any two port combinations of the first and second leds L ED L, L ED L connected in parallel, wherein when the first and second leds L ED L, L ED L are connected in parallel between the same two ports, the first and second leds L ED L are opposite in polarity.

Taking the 3-way ED lamp group circuit shown in fig. 2 as an example, the light emitting diodes ED, 0ED and 1ED are turned on in a manner that a program for controlling a plurality of light emitting modes is pre-implanted in the single chip microcomputer U, when the 4 th pin of the single chip microcomputer U outputs a low level and the 3 rd pin outputs a high level, the field effect transistor Q is turned off, the field effect transistor Q is turned on, the port 21 is at a low level and the port 32 is at a high level, so that the first light emitting diode 4ED is turned on, when the 3 rd pin of the single chip microcomputer U outputs a high level and the 2 nd pin outputs a low level, the field effect transistor Q is turned on, the field effect transistor Q is turned off, the port 52 is at a high level and the port 3 is at a low level, so that the second light emitting diode ED is turned on, when the 4 th pin of the single chip microcomputer U outputs a high level and the 2 nd pin outputs a low level, the field effect transistor Q is turned off, the port 1 is at a high level and the port 3 is at a low level, so that the third light emitting diode ED can be controlled to be turned on in pairs.

The embodiment of the utility model provides a 3 way L ED lamp cluster that adopt above-mentioned three-wire forward and reverse L ED lamp cluster control circuit, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearl, this RGB lamp pearl can send three kinds of primary colors light of red green blue and green and other different colours that obtain through different combinations by three kinds of colours light, for example when ruddiness L ED and green L ED light on simultaneously, two kinds of light mixing of red green and green become yellow light, ruddiness L ED, green L ED and blue L ED light on simultaneously, can produce white light (cold white light), and according to the inside program that is used for the control of multiple luminous modes of planting in advance of singlechip U1, make this L ED have 3 kinds of luminous modes in common under the control of singlechip U1 respectively 1) monochromatic static mode, namely normally light, 2) monochromatic mode of scintillation, including quickflashing, flashing and wave formula sudden change and flickering, 3) the mode that the user of monochromatic light blue red green blue and other different colours is the key cycle luminous in proper order also can come through switch, for example, the corresponding luminous mode is once switched to corresponding 1.

Referring to fig. 4 and 5, fig. 4 is a schematic diagram illustrating a first embodiment of a 4-way L ED lamp set circuit configuration of a three-wire forward/reverse L ED lamp string control circuit provided by the present invention, fig. 5 is a schematic diagram illustrating a second embodiment of a 4-way L ED lamp set circuit configuration of a three-wire forward/reverse L ED lamp string control circuit provided by the present invention, it should be noted that only 4L EDs are used as an example of a 4-way L ED lamp set circuit in this embodiment, and any other L EDs are also within the protection scope of the present invention.

L ED light group circuit comprises 4 light emitting diodes, respectively first light emitting diode L ED1, second light emitting diode L0 ED2, third light emitting diode L1 ED3 and fourth light emitting diode L2 ED4, first light emitting diode L3 ED1, second light emitting diode L4 ED L, third light emitting diode L ED L and fourth light emitting diode L ED L connected in parallel between any two of the above-mentioned ports L, L and L93, first light emitting diode L ED L and second light emitting diode L ED L connected in parallel between the same two ports, first light emitting diode L1 ED L and second light emitting diode L ED L are opposite in polarity, third light emitting diode L ED L connected in parallel with fourth light emitting diode L connected in parallel with any two ports of the same polarity as the first light emitting diode L ED L and the second light emitting diode L ED L connected in parallel with the same polarity as the third light emitting diode L ED L and the fourth light emitting diode L ED L connected in parallel between the same polarity as the fourth light emitting diode L ED L and the fourth light emitting diode L ED L connected in parallel between the same polarity as the third light emitting diode L ED L.

Taking a 4-way L ED lamp group circuit shown in fig. 4 as an example, light emitting diodes L ED1, L0 ED2, L1 ED L and L ED L light up, a program for controlling multiple light emitting modes is pre-implanted in a single chip microcomputer U L, when a 4 th pin of the single chip microcomputer U L outputs a low level and a 3 rd pin outputs a high level, a field effect transistor Q L is turned off, the field effect transistor Q L is turned on, when a port L is at a low level, a port L is at a high level, then the first light emitting diode L ED L lights up, when a 4 th pin of the single chip microcomputer U L outputs a high level and a 3 rd pin of the single chip microcomputer U L outputs a low level, the field effect transistor Q L is turned on, when the field effect transistor Q L is turned off, when the port L is at a high level, the port L is at a low level, then the second light emitting diode L is turned on, when a 3 rd pin of the single chip microcomputer U L outputs a high level, the first light emitting diode L is turned off, when the 3 rd pin of the single chip microcomputer U L, the single chip microcomputer U L outputs a low level, the first light emitting diode L, the light emitting diode L is connected, the light emitting diode L, the first light emitting diode L, the light emitting diode L is connected with a low level, and the second light emitting diode L, the light emitting diode L, when the first light emitting diode L is connected with the first light emitting pin is connected with the first light emitting diode 72, the second light emitting diode L.

The embodiment of the utility model provides an adopt the three-way forward and reverse L ED lamp cluster control circuit' S of 4 way L ED lamp cluster still provides, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send three kinds of primary colors light of red green blue, warm white light and by red green blue three kinds of colors through the light of other different colours that different combinations obtained, and according to the procedure that is used for the control of multiple luminous mode that the singlechip U1 was implanted in advance, make this L ED lamp cluster total 3 luminous modes under the control of singlechip U1, respectively 1) monochromatic static mode, it is always bright, 2) monochromatic scintillation mode, including fast flash, slow flash and wave formula flicker, 3) polychrome gradual change circulation mode, namely the monochromatic light of red green blue, warm and other different colours circulates the luminescence in proper order, of course the user also can select corresponding luminous mode through key switch S1, for example every time, luminous mode switches to next.

The embodiment of the utility model provides a still provide another kind and adopted the three-wire forward and reverse L ED lamp cluster control circuit 'S4 way L ED lamp cluster, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send warm white light and cold white light, wherein two tunnel L ED banks circuit is used for sending warm white light in this L ED lamp cluster, two tunnel L ED banks circuit is used for sending cold white light in addition, and according to the program that is used for the control of multiple light emitting mode that is implanted in advance inside singlechip U1, make this L ED lamp cluster total 4 kinds of light emitting mode under singlechip U1' S control, 1) monochromatic static state mode is normally bright respectively, 2) monochromatic scintillation mode is including flash light, slow flash light and wave formula flicker, 3) two-color interconversion mode, namely warm white and cold white circulate and send out light in proper order, 4) the forward and reverse jump mode, realize the two kinds of colors of warm white and cold and jump in proper order, two adjacent user lights and just can pass through the circulation switch also can be according to the light emitting mode under every turn to the corresponding S829, for example, just switch to send out light mode.

Referring to fig. 6, fig. 6 is a schematic diagram of an embodiment of a 5-way L ED lamp set circuit of a three-wire forward/reverse L ED lamp string control circuit according to the present invention, it should be noted that in this embodiment, only 5L EDs are taken as an example of a 5-way L ED lamp set circuit, and any other L EDs are also within the protection scope of the present invention.

The ED light group circuit includes 5 light emitting diodes (leds), which are a first led, a second led 0ED, a third led 1ED, a fourth led 2ED and a fifth led 3ED, wherein the first led 4ED, the second led 5ED, the third led 6ED, the fourth led 7ED and the fifth led 8ED are respectively connected in parallel between any two of the ports 91, 2 and 03, the first led 1ED and the second led 2ED are connected in parallel between the same two ports, the first led 3ED and the second led 4ED have opposite polarities, the third led 5ED and the fourth led 6 are connected in parallel between the same two ports, the third led ED and the fourth led have opposite polarities, and any two port combination of the third led and the fourth led connected in parallel is different from any two port combination of the first led and the second led connected in parallel and the fifth led connected in parallel.

Fig. 6 shows a 5-way ED lamp group circuit, in which leds ED, 0ED, 1ED, 2ED, and 3ED are turned on in such a manner that a program for controlling a plurality of light emitting modes is previously implanted in a single chip U, when a 4 th pin of the single chip U outputs a low level and a 3 rd pin outputs a high level, the fet Q is turned off and the fet Q is turned on, when a 4 th pin of the single chip U outputs a low level and the 3 rd pin outputs a high level, a port 41 is a low level and a port 52 is a high level, and thus a first led 6ED is turned on, when a 4 th pin of the single chip U outputs a high level and the 3 rd pin outputs a low level, the fet Q is turned on and the fet Q is turned off, when a 4 th pin of the single chip U outputs a high level and a port 82 is a low level and thus a second led 9ED is turned on, when the 3 rd pin of the single chip U outputs a high level and the 2 nd pin outputs a low level, the fet Q is turned on and the fet Q is turned off, when the 3 rd pin outputs a high level and the low level, and the led Q is turned on, and when the third led U is turned on, the single chip U is turned on, and the fourth led 4 nd pin is a high level, and the led d4 nd pin is a high level, and the led 3ED is a high level, and the led output a high level, and the led Q is a high level, and the led output a high level, and the led Q is a high level, and the output a high level, and the output a high level.

The embodiment of the utility model provides an adopt the three-way forward and reverse L ED lamp cluster control circuit' S of above-mentioned three-way L ED lamp cluster still provides, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send three kinds of primary colors light of red green blue, warm white light and by red green blue three kinds of colors through the light of other different colours that different combinations obtained, and according to the procedure that is used for the control of multiple luminous mode that the singlechip U1 was implanted in advance, make this L ED lamp cluster total 3 luminous modes under the control of singlechip U1, respectively 1) monochromatic static mode, normally bright, 2) monochromatic scintillation mode, including fast flash, slow flash and wave formula flicker, 3) polychrome gradual change circulation mode, namely the monochromatic light circulation of red green blue and other different colours is luminous in proper order, the user also can select corresponding luminous mode through key switch S1, for example every time, luminous mode just switches to next.

Referring to fig. 7, fig. 7 is a schematic diagram of an embodiment of a 6-way L ED lamp set circuit of a three-wire forward/reverse L ED lamp string control circuit according to the present invention, it should be noted that in this embodiment, only 6L EDs are taken as an example of a 6-way L ED lamp set circuit, and any other L EDs are also within the protection scope of the present invention.

The ED lamp group circuit includes 6 light emitting diodes, a first light emitting diode ED, a second light emitting diode 0ED, a third light emitting diode 1ED, a fourth light emitting diode 2ED, a fifth light emitting diode 3ED and a sixth light emitting diode 4ED, the first light emitting diode 5ED, the second light emitting diode 6ED, the third light emitting diode 7ED, the fourth light emitting diode 8ED, the fifth light emitting diode 9ED and the sixth light emitting diode ED are respectively connected in parallel between any two of the ports 01, 12 and 23, the first light emitting diode 3ED and the second light emitting diode 4ED are connected in parallel between the same two ports, the first light emitting diode 5ED and the second light emitting diode 6ED are opposite in polarity, the third light emitting diode 7ED and the fourth light emitting diode 8ED are connected in parallel between the same two ports, the third light emitting diode 9ED and the fourth light emitting diode ED are opposite in polarity, the fifth light emitting diode 0ED and the sixth light emitting diode 1ED are connected in parallel between the same two ports, the fifth light emitting diode 2 and the sixth light emitting diode 3ED are opposite in polarity, and the fifth light emitting diode and the sixth light emitting diode are connected in parallel between any two ports different in parallel.

Fig. 7 shows a 6-way ED lamp group circuit, in which leds ED, 0ED, 1ED, 2ED, 3ED, and 4ED are turned on in a manner that a program for controlling a plurality of light emitting modes is previously implanted in a single chip U, when a 4 th pin of the single chip U outputs a low level and a 3 rd pin outputs a high level, a fet Q is turned off and the fet Q is turned on, when a port 51 is at a low level and a port 62 is at a high level, a first led 7ED is turned on, when a 4 th pin of the single chip U outputs a high level and a 3 rd pin outputs a low level, the fet Q is turned on and the fet Q is turned off, when a port 81 is at a high level and a port 92 is at a low level, a second led ED is turned on, when a 3 rd pin of the single chip U outputs a high level and a 2 nd pin outputs a low level, the fet Q is turned on and the fet Q is turned off, when a port 02 is at a high level, a port 13 is at a low level and the third led 2ED is turned off, when a 3 rd pin of the single chip U outputs a low level and a pin of the led Q is turned on, when a fourth led U and a fourth led 3 nd pin is a high level and a high level, a port 73, a fourth led 3 nd pin is turned on and a high level, a fourth led 3 nd pin of the single chip U and a high level, the led Q is a high level, the led 3 nd pin is a high level, the led 3ED 2ED3 nd pin is turned on, the led 3 nd pin is a high level, the led 3 nd pin of the single chip U and the single chip U is turned on, the led 3 nd pin is turned.

The embodiment of the utility model provides a 6 way L ED lamp cluster that adopt above-mentioned three-wire forward and reverse L ED lamp cluster control circuit still provides, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send three kinds of basic color light of red green blue, warm white light and by red green blue three kinds of colors through the light of other different colours that different combinations obtained, wherein two way L ED banks circuit in this L ED lamp cluster sends warm white light, other four ways L ED banks circuit sends three kinds of basic color light of red green blue and other different colours that different combinations obtained, and according to the inside program that is used for multiple light-emitting mode control of planting in advance of singlechip U1, make this L ED lamp cluster have 3 kinds of light-emitting mode under the control of singlechip U1 respectively 1) monochromatic static mode, normally light, 2) monochromatic flashing mode, including fast flashing, wave type slow-moving, 3) monochromatic light cycle mode, that blue, warm other different button' S light-emitting color is in proper order, the corresponding light-emitting mode is also can be selected to through a corresponding under 1, for example, the light-emitting mode is just once again.

The embodiment of the utility model provides a still provide another kind and adopted the three-wire forward and reverse L ED lamp cluster control circuit 'S of 6 way L ED lamp cluster, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send warm white light, and according to the inside program that is used for multiple light-emitting mode control of implanting in advance of singlechip U1, make this L ED lamp cluster total 3 light-emitting modes under singlechip U1' S control, 1) static mode is normal bright respectively, 2) the scintillation mode, including quickflashing, slow flash and wave type flicker, 3) the positive and negative jump mode, arbitrary adjacent two lamp pearls only have a light and circulate in proper order, of course the user also can select corresponding light-emitting mode through key switch S1, for example every time press, light-emitting mode just switches to next one.

The embodiment of the utility model provides a third kind adopts the three-way forward and reverse L ED lamp cluster control circuit' S of above-mentioned three-way L ED lamp cluster, the L ED banks circuit of this L ED lamp cluster includes a plurality of RGB lamp pearls, this RGB lamp pearl can send three kinds of primary colors of red green blue and green and the light of other different colours that obtains through different combinations by three kinds of colours red green blue, and according to the procedure that is used for the control of multiple light-emitting mode that is implanted in advance in singlechip U1, make this L ED lamp cluster total 4 kinds of light-emitting mode under the control of singlechip U1, respectively 1) monochromatic static mode, normally light, 2) monochromatic scintillation mode, including quickflashing, slow flash and wave formula flicker, 3) polychrome gradual change circulation mode, i.e. the monochromatic light circulation light-emitting in proper order of red green blue and other different colours, 4) the forward and reverse jump mode, no matter is monochromatic or the polychrome mixes the light-on, can realize that two arbitrary adjacent lamp pearls are only a light-on and the effect that circulates in proper order, the user also can select corresponding light-emitting mode through key switch S1, for example, just.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A three-wire forward and reverse L ED lamp string control circuit comprises an external power supply (VCC), a single chip microcomputer (U1), a driving circuit and a L ED lamp group circuit, wherein the external power supply (VCC) supplies power to the single chip microcomputer (U1) and the driving circuit, and is characterized in that the driving circuit comprises a first field-effect tube (Q1) with a P-type channel, a second field-effect tube (Q2) with an N-type channel, a third field-effect tube (Q3) with the P-type channel, a fourth field-effect tube (Q4) with the N-type channel, a fifth field-effect tube (Q5) with the P-type channel, a sixth field-effect tube (Q6) with the N-type channel and a seventh field-effect tube (Q7) with the P-type channel.

2. The three-wire forward-reverse L ED light string control circuit according to claim 1, wherein a gate of the second fet (Q2), a gate of the fourth fet (Q4), and a gate of the sixth fet (Q6) are connected to the first, second, and third output terminals of the mcu (U1), respectively, a drain of the second fet (Q2), the fourth fet (Q4), and a source of the sixth fet (Q6) are grounded, respectively, a drain of the second fet (Q2) is connected to a drain of the third fet (Q3), a drain of the fourth fet (Q4) is connected to a drain of the fifth fet (Q5), a drain of the sixth fet (Q6) is connected to a drain of the seventh fet (Q7), a drain of the third fet (Q3), a drain of the fifth fet (Q5), and a drain of the seventh fet (Q7) is connected to the gate of the third fet (Q3), the drain of the fifth fet (Q5), the sixth fet (Q869), the gate of the sixth fet (Q7), the gate of the sixth fet (Q8658), the third fet (Q8653), the gate of the sixth fet (Q7), the sixth fet (Q865), the gate of the sixth fet (Q869), the gate of the second fet (Q7), and the gate of the sixth fet (Q7) are connected to the gate of the third fet (Q8658), the third fet (Q8653), the gate of the output terminal of the sixth fet (Q8658), the third fet, the gate of the second fet;

3. The three-wire forward-reverse L ED lamp string control circuit according to claim 2, wherein the control circuit further comprises a clock circuit, the clock circuit comprises a first capacitor (C1), a second capacitor (C2) and a crystal oscillator (Y1), two ends of the crystal oscillator (Y1) are respectively connected to two clock ends of the single chip microcomputer (U1), the first capacitor (C1) is connected between the first end of the crystal oscillator (Y1) and ground, and the second capacitor (C2) is connected between the second end of the crystal oscillator (Y1) and ground.

4. The three-wire forward-reverse L ED lamp string control circuit as claimed in claim 2, further comprising an input circuit for the user to select the operation mode, wherein the input circuit comprises a key switch (S1), a pull-up resistor (R11), a driver chip IR1 and a voltage-stabilizing capacitor C3, the key switch (S1) is connected between the input terminal of the single chip microcomputer (U1) and the ground, the pull-up resistor (R11) is connected between the positive pole of the external power supply (VCC) and the VDD pin of the driver chip IR1, the VSS pin of the driver chip IR1 is grounded, the output terminal of the driver chip IR1 is connected to the input terminal of the single chip microcomputer (U1), and the voltage-stabilizing capacitor C3 is connected between the VDD pin of the driver chip IR1 and the ground.

5. The three-wire forward-reverse L ED lamp string control circuit according to claim 2, further comprising a voltage-stabilizing capacitor C4, wherein the power supply terminal of the single-chip microcomputer (U1) is connected to the positive electrode of an external power supply (VCC), and the voltage-stabilizing capacitor C4 is connected between the positive electrode of the external power supply (VCC) and ground.

6. The three-wire forward-reverse L ED light string control circuit of claim 2, wherein when the L ED light group circuit is a 3-wire L0 ED light group circuit, the L1 ED light group circuit comprises a first light emitting diode (L2 ED1), a second light emitting diode (L3 ED2) and a third light emitting diode (L ED3), wherein any two port combinations of the parallel connection of the third light emitting diode (L ED3) are different from two port combinations of the parallel connection of the first light emitting diode (L ED1) and the parallel connection of the second light emitting diode (L ED2), and when the first light emitting diode (L ED1) and the second light emitting diode (L ED2) are connected in parallel between the same two ports, the first light emitting diode (L ED1) and the second light emitting diode (L ED2) have opposite polarities.

7. The three-wire forward-reverse ED light string control circuit according to claim 2, wherein when the ED light bank circuit is a 4-way 0ED light bank circuit, the 1ED light bank circuit comprises a first light emitting diode (2 ED), a second light emitting diode (3 ED), a third light emitting diode (4 ED) and a fourth light emitting diode (5 ED), wherein the first light emitting diode (6 ED) and the second light emitting diode (7 ED) are connected in parallel between the same two ports, the first light emitting diode (8 ED) and the second light emitting diode (9 ED) are opposite in polarity, any two port combination of the parallel connection of the third light Emitting Diode (ED) and the parallel connection of the fourth light Emitting Diode (ED) is different from the two port combination of the parallel connection of the first light Emitting Diode (ED) and the second light Emitting Diode (ED), and when the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are connected in parallel between the same two ports, the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are opposite in polarity.

8. The three-wire forward-reverse ED light string control circuit according to claim 1, wherein when the ED light bank circuit is a 5-way 0ED light bank circuit, the 1ED light bank circuit comprises a first light emitting diode (2 ED), a second light emitting diode (3 ED), a third light emitting diode (4 ED), a fourth light emitting diode (5 ED) and a fifth light emitting diode (6 ED), wherein the first light emitting diode (7 ED) and the second light emitting diode (8 ED) are connected in parallel between the same two ports, the first light emitting diode (9 ED) and the second light Emitting Diode (ED) are connected in opposite polarity, the third light emitting diode (0 ED) and the fourth light emitting diode (1 ED) are connected in parallel between the same two ports, the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are connected in opposite polarity, any two port combinations of the parallel connections of the third light Emitting Diode (ED) and the fourth light Emitting Diode (ED) are connected in parallel with the first light Emitting Diode (ED) and the second light Emitting Diode (ED) and the fifth light Emitting Diode (ED) in parallel connections.

9. The three-wire forward-reverse ED light string control circuit according to any one of claims 1 to 8, wherein when the ED light bank circuit is a 6-way 0ED light bank circuit, the 1ED light bank circuit comprises a first light emitting diode (2 ED), a second light emitting diode (3 ED), a third light emitting diode (4 ED), a fourth light emitting diode (5 ED), a fifth light emitting diode (6 ED) and a sixth light emitting diode (7 ED), wherein the first light emitting diode (8 ED) and the second light emitting diode (9 ED) are connected in parallel between the same two ports, the first light Emitting Diode (ED) is opposite in polarity to the second light emitting diode (0), the third light emitting diode (1 ED) and the fourth light emitting diode (2 ED) are connected in parallel between the same two ports, the third light emitting diode (3 ED) is opposite in polarity to the fourth light emitting diode (4), the fifth light emitting diode (5 ED) and the sixth light emitting diode (6) are connected in parallel between the same two ports, the fifth light emitting diode (7) is connected in parallel between the same two ports, and the sixth light emitting diode (7) is connected in parallel between the fifth light emitting diode (7) and the sixth light emitting diode (7) are connected in parallel between the same two ports.

10. A 6-way L ED lamp string adopting the three-wire forward-reverse L ED lamp string control circuit as claimed in any one of claims 1 to 9, wherein the L ED lamp group circuit comprises a plurality of RGB lamp beads, two ways of the RGB lamp beads in the L ED lamp group circuit are used for emitting warm white light, the other four ways of the RGB lamp beads are used for emitting three primary colors of red, green and blue and other different colors of light obtained by different combinations of the three colors of red, green and blue, a control program for a plurality of light emitting modes is pre-implanted in the single chip microcomputer (U1), and the 6-way L ED lamp string realizes a forward and reverse jumping mode according to the control program.