Running water lamp control circuit
By designing a flow lamp control circuit including a power supply, a switch, a controller and multiple lamp units, the problem of complexity and poor stability of the flow lamp control circuit in the prior art is solved, the simplicity, stability and efficiency of the circuit are realized, and the flow lamp effect can be achieved through touch control.
Patent Information
- Application Number
- CN202421623918.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The existing flow lamp control circuit has complex principles, poor stability and high failure rate, which is difficult to meet people's needs for simple, stable and efficient lighting control.
A flow lamp control circuit including a power supply unit, a switching unit, a controller unit and a plurality of lamp units is designed. Power is supplied through the power supply unit, the signal input terminal of the switching unit and the signal output terminal of the controller unit is connected, and the controller unit outputs a pulse signal to control the light unit to turn on and off.
The circuit is simple in principle, good working stability and low failure rate. The light is turned on and off through touch, combined with the LED driver chip WS2811, and the circuit is stable and reliable.
Smart Images
Figure CN223007667U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lighting control, and particularly relates to a running light control circuit. Background Art
[0002] At present, people advocate lighting projects. The gorgeous lighting effect not only plays a role in lighting, but also brings people a pleasant and comfortable feeling. The water lamp controls a row of lights to light up alternately through the control circuit, so that the lights flow like water to achieve a dazzling effect. The water lamp is widely used in many occasions that require colorful and dazzling lights. Therefore, it is very necessary to develop related products with simple structure, convenient operation and obvious effect to meet people's demand for lighting. Summary of the invention
[0003] In view of this, the purpose of the utility model is to provide a running light control circuit, which has a simple principle, good working stability and low failure rate.
[0004] The purpose of the utility model can be achieved through the following technical solutions: a flow light control circuit, characterized in that it includes a power supply unit, a switch unit, a controller unit and a plurality of light group units, the power supply unit supplies power to the switch unit, the controller unit and the plurality of light group units respectively, the switch unit is connected to the signal input end of the controller unit, the plurality of light group units are connected to the signal output end of the controller unit, and the controller unit outputs a pulse signal to control each light group unit to light up and extinguish in sequence.
[0005] Preferably, the switch unit comprises a touch control chip and a touch signal input module, the touch signal input module inputs a signal to the touch control chip, and the touch control chip outputs a corresponding switch signal to the controller unit according to the signal sent by the touch signal input module.
[0006] Preferably, the touch signal input module includes a touch capacitor and / or a touch button.
[0007] Preferably, the touch control chip is a CA51F551S1 chip.
[0008] Preferably, the power supply unit includes a 12V voltage input terminal and a 12V to 5V circuit, the 12V voltage input terminal is connected to the lamp group unit to provide power, and the 12V voltage input terminal outputs a 5V voltage after voltage conversion through the 12V to 5V circuit to power the control part of the lamp group unit, the control part of the switch unit and the controller unit.
[0009] Preferably, the power supply unit further includes a first reverse connection prevention circuit and a second reverse connection prevention circuit. The first reverse connection prevention circuit is connected between the 12V voltage input terminal and the lamp group unit, and the second reverse connection prevention circuit is connected to the output terminal of the 12V to 5V circuit. The second reverse connection prevention circuit further includes a filtering circuit.
[0010] Preferably, the 12V to 5V circuit uses an AMS1117-5.0 voltage regulator.
[0011] Preferably, each lamp group unit includes a driving chip and three LED lamps. The driving chip is connected to the output terminal of the 12V to 5V circuit. The positive electrode of each LED lamp is connected to the 12V voltage input terminal, and the negative electrodes of the three LED lamps are respectively connected to the OUTR, OUTG, and OUTB pins of the driving chip.
[0012] Preferably, the driving chip is an RGB LED lamp control chip WS2811C.
[0013] Preferably, the control unit uses an STC8G1K08A-36I-SOP8 single-chip microcomputer.
[0014] Compared with the prior art, the present running light control circuit has the following advantages: The lighting on and off is realized through touch control. Combining with the corresponding driving chip ws2811 of the LED, it can achieve a running light effect when the lamp is turned on or off; the circuit principle is simple, stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the overall principle block diagram of the running light control circuit in the embodiment.
[0016] Figure 2 is the circuit schematic diagram of the control part of the running light control circuit in the embodiment.
[0017] Figure 3 is the circuit schematic diagram of the lamp group unit of the running light control circuit in the embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following are specific embodiments of the present invention in combination with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
[0019] Such as Figure 1The flowing water lamp control circuit shown in FIG. 3 includes a power supply unit, a switch unit, a controller unit, and several lamp group units. The power supply unit supplies power to the switch unit, the controller unit, and several lamp group units respectively. The signal input ends of the switch unit and the controller unit are connected, and several lamp group units are connected to the signal output end of the controller unit. The controller unit outputs a pulse signal to control the lamp group units to light up and go out in sequence. In this embodiment, the lamp group units are numbered 1, 2, 3... n in sequence, where n is a positive integer.
[0020] Specifically, the power supply unit includes a 12V voltage input terminal and a 12V to 5V circuit. The 12V voltage input terminal is connected to the lamp group units to provide power, and after voltage conversion through the 12V to 5V circuit, 5V voltage is output to supply power to the control part of the lamp group units, the control part of the switch unit, and the controller unit. Among them, the 12V to 5V circuit is implemented by an AMS1117 - 5.0 voltage regulator.
[0021] The power supply unit also includes a first reverse connection prevention circuit and a second reverse connection prevention circuit. The first reverse connection prevention circuit is connected between the 12V voltage input terminal and the lamp group units, and is implemented by a transient suppression diode SMF12A. The second reverse connection prevention circuit is connected to the output terminal of the 12V to 5V circuit, and is implemented by a transient suppression diode SMF5.0A. And the second reverse connection prevention circuit also includes a filter circuit composed of capacitors C1, C2, and C3.
[0022] The switch unit in this embodiment includes a touch control chip and a touch signal input module. The touch signal input module inputs signals to the touch control chip, and the touch control chip outputs corresponding switch signals to the controller unit according to the signals sent by the touch signal input module. Among them, the touch control chip is a CA51F551S1 chip. Pin 2 of this chip is connected to the touch capacitors CAP1 and CAP2 of the touch signal input module, and pin 7 is connected to the touch button TP1 of the touch signal input module, so as to realize two - mode input control. Pins 1 and 9 of the CA51F551S1 chip are used as programming interfaces to realize the programming function of the control program. Pins 3 and 5 are used as signal output pins to output the signals triggered by the touch signal input module to the controller unit.
[0023] The control unit uses an STC8G1K08A - 36I - SOP8 single - chip microcomputer. Its pins 7 and 8 are used as input pins for switch control signals and are correspondingly connected to pins 3 and 5 of the CA51F551S1 chip. Pins 5 and 6 are used as programming interfaces to realize the programming function of the control program. Pin 3 is used as a control pulse signal output pin and is connected to the driver chip of the lamp group units.
[0024] Each lamp group unit includes a driving chip WS2811C and three LED lamps. The driving chip is connected to the output terminal of the 12V-5V conversion circuit. The positive electrode of each LED lamp is connected to the 12V voltage input terminal. The negative electrodes of the three LED lamps are respectively connected to the OUTR, OUTG, and OUTB pins of the driving chip. The pin 6 of the driving chip WS2811C serves as the control pulse signal input pin, and the pins 1, 2, and 3 are respectively used as the OUTR, OUTG, and OUTB pins to correspondingly connect to the negative electrodes of the three LED lamps. It should be noted that in this embodiment, multiple lamp group units are connected in series, and the pin 5 of the driving chip of the previous lamp group unit serves as the output pin and is connected to the pin 6 of the next lamp group unit.
[0025] The utility model controls multiple driving chips WS2811C through an STC8G1K08A-36I-SOP8 single-chip microcomputer, and then each driving chip WS2811C drives three different LED lamps, which are connected in a cascade manner to realize the on-off and dimming control of multiple groups of LED lamps, forming an equivalent of a running water lamp, and the circuit is stable and reliable.
[0026] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.
Claims
1. A running light control circuit, characterized in that: It includes a power supply unit, a switch unit, a controller unit and a plurality of lamp group units, wherein the power supply unit supplies power to the switch unit, the controller unit and the plurality of lamp group units respectively, the switch unit is connected to a signal input end of the controller unit, the plurality of lamp group units are connected to a signal output end of the controller unit, and the controller unit outputs a pulse signal to light up and extinguish each lamp group unit in sequence.
2. A running light control circuit according to claim 1, characterized in that: The switch unit includes a touch control chip and a touch signal input module. The touch signal input module inputs a signal to the touch control chip, and the touch control chip outputs a corresponding switch signal to the controller unit according to the signal sent by the touch signal input module.
3. A running light control circuit according to claim 2, characterized in that: The touch signal input module includes a touch capacitor and / or a touch button.
4. A running light control circuit according to claim 2 or 3, characterized in that: The touch control chip is a CA51F551S1 chip.
5. A running light control circuit according to claim 1, 2 or 3, characterized in that: The power supply unit includes a 12V voltage input terminal and a 12V to 5V circuit. The 12V voltage input terminal is connected to the lamp group unit to provide power, and the 12V voltage input terminal outputs a 5V voltage after voltage conversion through the 12V to 5V circuit to power the control part of the lamp group unit, the control part of the switch unit and the controller unit.
6. A running light control circuit according to claim 5, characterized in that: The power supply unit also includes a first anti-reverse connection circuit and a second anti-reverse connection circuit. The first anti-reverse connection circuit is connected between the 12V voltage input terminal and the lamp group unit, and the second anti-reverse connection circuit is connected to the output terminal of the 12V to 5V circuit. The second anti-reverse connection circuit also includes a filter circuit.
7. A running light control circuit according to claim 5, characterized in that: The 12V to 5V circuit uses an AMS1117-5.0 voltage regulator.
8. A running light control circuit according to claim 1, 2 or 3, characterized in that: Each of the lamp group units includes a driving chip and three LED lamps. The driving chip is connected to the output end of the 12V to 5V circuit. The positive pole of each LED lamp is connected to the 12V voltage input end, and the negative poles of the three LED lamps are respectively connected to the OUTR, OUTG, and OUTB pins of the driving chip.
9. A running light control circuit according to claim 8, characterized in that: The driving chip is the RGB LED lamp control chip WS2811C.
10. A running light control circuit according to claim 1, 2 or 3, characterized in that: The control unit adopts STC8G1K08A-36I-SOP8 single chip microcomputer.