CN211297051U - LED Christmas lamp control circuit - Google Patents
LED Christmas lamp control circuit Download PDFInfo
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- CN211297051U CN211297051U CN201922411214.9U CN201922411214U CN211297051U CN 211297051 U CN211297051 U CN 211297051U CN 201922411214 U CN201922411214 U CN 201922411214U CN 211297051 U CN211297051 U CN 211297051U
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- mcu controller
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Abstract
An object of the utility model is to provide a LED Christmas lamp control circuit, including MCU controller, blue diode B, green diode G and red diode R, wherein, blue diode B, green diode G and red diode R are parallelly connected each other, and all connect to the MCU controller. The number of lamp strings can be effectively reduced, the overall cost is reduced, the types of the whole lamp are reduced, the using amount of electric wires is reduced, and the like.
Description
Technical Field
The utility model relates to a ornament lamp control technology field specifically is a LED Christmas lamp control circuit.
Background
Control LED christmas lamp RGB colour among the prior art, the mode commonly used is:
1, the MCU controller controls 2 to 3 mos tubes or triodes to realize RGB or various flicker effects;
2. when outputting a common monochromatic or bicolor lamp, at least 3 lines are required to be connected, fig. 4;
3. when outputting RGB three colors, at least 4 connections of lines are required, fig. 5.
Based on the reasons of the above aspects, the LED Christmas lamp control circuit is complex in wiring, the amount of used wires is large, the overall weight of the lamp is heavy, and the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LED Christmas lamp control circuit, quantity that can effectual reduction lamp cluster reduces holistic cost, reduces the kind of whole lamps and lanterns, reduces the electric wire quantity etc..
In order to achieve the above object, the utility model provides a following technical scheme:
the LED Christmas lamp control circuit comprises an MCU controller, a blue diode B, a green diode G and a red diode R, wherein the blue diode B, the green diode G and the red diode R are connected in parallel and are all connected to the MCU controller.
Further, the red diodes R and the green diodes G are respectively provided with 2 groups, each group is connected in series, and the blue diodes B are provided with one group or 2 groups;
further, the anode of the red diode R, the cathode of the green diode G and the anode of the blue diode B are all connected to an input IO1 pin of the MCU controller; the cathode of the blue diode B is connected to an input IO2 pin of the MCU controller, and the cathode of the red diode R and the anode of the green diode G are connected to an input IO3 pin of the MCU controller.
In the scheme, R, G, B realizes the control of different combined colors and modes of R, G, B lamps through the control of 3 line voltages and currents.
The implementation is described as follows: any single chip microcomputer with IO port and driving capability can be used for realizing the requirement of the patent.
When IO1 outputs high level, such as 5V, there are 2 selectable states of IO2 and IO3, and when IO2 is low level, B lamp lights blue light; when IO2 is high, the B lamp goes out. When IO3 is high, neither R lamp nor G lamp is on, and when IO3 is low, R lamp is on red. When IO1 is low, IO3 bits are high, and G lights are on. Through the preset sequential relation of IO1, IO2 and IO3, different brightness and proportion of the R, G, B tricolor lamp can be realized, different colors can be realized, and different flickering and color effects are realized through the sequential control of the IO port and the on-off time. Through the time sequence setting, various colors required can be realized, and the condition that different lamp types are required to meet the requirements of customers in the traditional mode is avoided.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a LED Christmas lamp control circuit can the effectual quantity that reduces the lamp cluster, reduces holistic cost, reduces the kind of whole lamps and lanterns, reduces the quantity of electric wire etc..
Drawings
Fig. 1 is a schematic circuit diagram of embodiment 1 of the present invention;
fig. 2 is a schematic circuit diagram of embodiment 2 of the present invention;
fig. 3 is a schematic circuit diagram of embodiment 3 of the present invention;
FIG. 4 illustrates a first prior art connection;
fig. 5 shows a second connection method in the prior art.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Referring to fig. 1, the present invention provides a technical solution: the LED Christmas lamp control circuit comprises an MCU controller, a blue diode B, a green diode G and a red diode R, wherein the blue diode B, the green diode G and the red diode R are connected in parallel and are all connected to the MCU controller. The red diodes R and the green diodes G are respectively provided with 2 groups, each group is connected in series, and the blue diodes B are provided with one group; the anode of the red diode R, the cathode of the green diode G and the anode of the blue diode B are all connected to an input IO1 pin of the MCU controller; the cathode of the blue diode B is connected to an input IO2 pin of the MCU controller, and the cathode of the red diode R and the anode of the green diode G are connected to an input IO3 pin of the MCU controller.
In the scheme, R, G, B realizes the control of different combined colors and modes of R, G, B lamps through the control of 3 line voltages and currents.
Example 2
Referring to fig. 2, for controlling a monochromatic lamp, the light strings may be connected in parallel and then directly connected to the MCU controller, and the levels of the two lines are alternately controlled to change the effect of the lamp.
Example 3
Referring to fig. 3, for the control of 6 color lamps, different modes of controlling the lamps are realized by different switching of the levels of 3 lines.
It can be seen that the conversion of different levels of 2 lines is protected by time-division multiplexing (switching by high-frequency switches) to reduce the number of lamp controller lines.
The implementation is described as follows: any single chip microcomputer with IO port and driving capability can be used for realizing the requirement of the patent.
When IO1 outputs high level, such as 5V, there are 2 selectable states of IO2 and IO3, and when IO2 is low level, B lamp lights blue light; when IO2 is high, the B lamp goes out. When IO3 is high, neither R lamp nor G lamp is on, and when IO3 is low, R lamp is on red. When IO1 is low, IO3 bits are high, and G lights are on. Through the preset sequential relation of IO1, IO2 and IO3, different brightness and proportion of the R, G, B tricolor lamp can be realized, different colors can be realized, and different flickering and color effects are realized through the sequential control of the IO port and the on-off time. Through the time sequence setting, various colors required can be realized, and the condition that different lamp types are required to meet the requirements of customers in the traditional mode is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. An LED Christmas lamp control circuit is characterized in that: the LED lamp comprises an MCU controller, a blue diode B, a green diode G and a red diode R, wherein the blue diode B, the green diode G and the red diode R are connected in parallel and are all connected to the MCU controller.
2. An LED christmas lamp control circuit according to claim 1, wherein: red diode R and green diode G all are equipped with 2 groups, establish ties each other between every group, blue diode B is equipped with a set ofly or is equipped with 2 groups.
3. An LED christmas lamp control circuit according to claim 2, wherein: the anode of the red diode R, the cathode of the green diode G and the anode of the blue diode B are all connected to an input IO1 pin of the MCU controller;
and the cathode of the blue diode B is connected to an input IO2 pin of the MCU controller, and the cathode of the red diode R and the anode of the green diode G are connected to an input IO3 pin of the MCU controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411214.9U CN211297051U (en) | 2019-12-28 | 2019-12-28 | LED Christmas lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411214.9U CN211297051U (en) | 2019-12-28 | 2019-12-28 | LED Christmas lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211297051U true CN211297051U (en) | 2020-08-18 |
Family
ID=72017530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922411214.9U Active CN211297051U (en) | 2019-12-28 | 2019-12-28 | LED Christmas lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211297051U (en) |
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2019
- 2019-12-28 CN CN201922411214.9U patent/CN211297051U/en active Active
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