CN205249559U - Car fills acoustic control LED lamp circuit - Google Patents
Car fills acoustic control LED lamp circuit Download PDFInfo
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- CN205249559U CN205249559U CN201520970650.9U CN201520970650U CN205249559U CN 205249559 U CN205249559 U CN 205249559U CN 201520970650 U CN201520970650 U CN 201520970650U CN 205249559 U CN205249559 U CN 205249559U
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Abstract
The utility model provides a car fills acoustic control LED lamp circuit, including voltage conversion circuit, signal amplification circuit, the parallelly connected emitting diode who sets up of a plurality of, supply socket's positive pole is connected to voltage conversion circuit's anodal incoming end, and supply socket's negative pole is connected to voltage conversion circuit's negative pole incoming end, signal amplification circuit's positive input terminal is connected to voltage conversion circuit's positive output end, and voltage conversion circuit's cathode output connects signal amplification circuit's negative pole input, and signal amplification circuit is connected with emitting diode, the supply socket on the car can be directly used, the glittering of acoustic control melody lamp is realized. This kind of car fills acoustic control LED lamp circuit, the design is simple reasonable, and is with low costs, convenient to use.
Description
Technical field
The utility model relates to a kind of car and fills sound controlled LED light circuit.
Background technology
Automobile is as one of the most frequently used vehicles, and current use amount is also at rapid growth. Supply socket on automobile can be in order to provide power supply to external equipment, but because the voltage of supply socket is 12V, can not directly be suitable for some external equipments. In the time of the use of automobile, for the comfort of use being provided and increasing the active of atmosphere, it is a kind of selection that external LED lamp glistens. But how, under lower cost, the connection that realizes quickly LED lamp is the problem that should pay attention to and solve in the design and production process of LED lamp.
Utility model content
The purpose of this utility model is to provide a kind of car and fills sound controlled LED light circuit and how to solve under lower cost, realizes quickly the problem of the connection of LED lamp.
Technical solution of the present utility model is:
A kind of car fills sound controlled LED light circuit, comprise voltage conversion circuit, signal amplification circuit, several light emitting diodes that are arranged in parallel, the anodal incoming end of voltage conversion circuit connects the positive pole of supply socket, and the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket; The cathode output end of voltage conversion circuit connects the electrode input end of signal amplification circuit, and the cathode output end of voltage conversion circuit connects the negative input of signal amplification circuit, and signal amplification circuit is connected with light emitting diode;
Voltage conversion circuit comprises electrochemical capacitor C1, capacitor C 2, chip XL4002, resistance R 1, resistance R 2, capacitor C 3, voltage-stabiliser tube ZD1, inductance L 1, resistance R 3, electrochemical capacitor C4, the anodal incoming end of voltage conversion circuit connects the pin 7 of chip XL4002, the anodal incoming end of voltage conversion circuit also connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects the negative input of voltage conversion circuit, the cathode output end of voltage conversion circuit connects pin 3 ground connection of chip XL4002, the pin 7 of chip XL4002 connects the pin 8 of chip XL4002, the pin 7 of chip XL4002 also connects the pin 3 of chip XL4002 by capacitor C 2, the pin 4 of chip XL4002 is by resistance R 1 ground connection, the pin 4 of chip XL4002 also connects the cathode output end of voltage conversion circuit by resistance R 2, resistance R 2 shunt capacitance C3, the pin 5 of chip XL4002 connects the cathode output end of voltage conversion circuit, the pin 6 of chip XL4002 connects the cathode output end of voltage conversion circuit by inductance L 1, the pin 6 of chip XL4002 also connects the negative pole of voltage-stabiliser tube ZD1, the positive pole of voltage-stabiliser tube ZD1 connects the cathode output end of voltage conversion circuit by resistance R 3.
Further, signal amplification circuit comprises electrochemical capacitor C5, resistance R 4, MIC interface or microphone MIC, resistance R 5, resistance R 6, electrochemical capacitor C6, triode Q1, triode Q2, the positive pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R 4, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C5, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C6, the base stage of the negative pole connecting triode Q1 of electrochemical capacitor C6, the base stage of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 5, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 6, the colelctor electrode of triode Q1 is the base stage of connecting triode Q2 also, the grounded emitter of triode Q2, the negative pole of the colelctor electrode connecting luminous diode of triode Q2, the positive pole of sending out diode connects the cathode output end of voltage conversion circuit.
Further, the cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, and the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface.
Further, the negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2.
The beneficial effects of the utility model are: this kind of car fills sound controlled LED light circuit, can directly use the supply socket on automobile, realize the glittering of acoustic control melody lamp. This kind of car fills sound controlled LED light circuit, and simplicity of design is reasonable, and cost is low, easy to use. And can connect microphone by MIC interface, or directly microphone is replaced MIC interface connect, can realize sounding along with music or other sound, light emitting diode is just being followed as glittering in the speed of sound the moving up of rhythm of sound, can make user experience the melody combination of sound and light.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment
A kind of car fills sound controlled LED light circuit, as Fig. 1, comprise voltage conversion circuit, signal amplification circuit, several light emitting diodes that are arranged in parallel, the anodal incoming end of voltage conversion circuit connects the positive pole of supply socket, and the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket; The cathode output end of voltage conversion circuit connects the electrode input end of signal amplification circuit, and the cathode output end of voltage conversion circuit connects the negative input of signal amplification circuit, and signal amplification circuit is connected with light emitting diode;
Voltage conversion circuit comprises electrochemical capacitor C1, capacitor C 2, chip XL4002, resistance R 1, resistance R 2, capacitor C 3, voltage-stabiliser tube ZD1, inductance L 1, resistance R 3, electrochemical capacitor C4, the anodal incoming end of voltage conversion circuit connects the pin 7 of chip XL4002, the anodal incoming end of voltage conversion circuit also connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects the negative input of voltage conversion circuit, the cathode output end of voltage conversion circuit connects pin 3 ground connection of chip XL4002, the pin 7 of chip XL4002 connects the pin 8 of chip XL4002, the pin 7 of chip XL4002 also connects the pin 3 of chip XL4002 by capacitor C 2, the pin 4 of chip XL4002 is by resistance R 1 ground connection, the pin 4 of chip XL4002 also connects the cathode output end of voltage conversion circuit by resistance R 2, resistance R 2 shunt capacitance C3, the pin 5 of chip XL4002 connects the cathode output end of voltage conversion circuit, the pin 6 of chip XL4002 connects the cathode output end of voltage conversion circuit by inductance L 1, the pin 6 of chip XL4002 also connects the negative pole of voltage-stabiliser tube ZD1, the positive pole of voltage-stabiliser tube ZD1 connects the cathode output end of voltage conversion circuit by resistance R 3.
Embodiment can directly use the supply socket on automobile, realizes the glittering of acoustic control melody lamp. This kind of car fills sound controlled LED light circuit, and simplicity of design is reasonable, and cost is low, easy to use. And can connect microphone by MIC interface, or directly microphone is replaced MIC interface connect, can realize sounding along with music or other sound, light emitting diode is just being followed as glittering in the speed of sound the moving up of rhythm of sound, can make user experience the melody combination of sound and light.
Voltage conversion circuit is by using chip XL4002; built-in overcurrent protection, over-temperature protection, output short circuit protection; cost is low; reliability is high; and the precision of output voltage, output current, output over-voltage protection is higher; corresponding speed is faster, can be under lower cost, and realize power supply 12V and be converted to 5V.
Signal amplification circuit comprises electrochemical capacitor C5, resistance R 4, MIC interface or microphone MIC, resistance R 5, resistance R 6, electrochemical capacitor C6, triode Q1, triode Q2, the positive pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R 4, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C5, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C6, the base stage of the negative pole connecting triode Q1 of electrochemical capacitor C6, the base stage of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 5, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 6, the colelctor electrode of triode Q1 is the base stage of connecting triode Q2 also, the grounded emitter of triode Q2, the negative pole of the colelctor electrode connecting luminous diode of triode Q2, the positive pole of sending out diode connects the cathode output end of voltage conversion circuit.
The implementation procedure of embodiment is: after voltage conversion circuit input current, electrochemical capacitor C4 filtering is for signal amplification circuit. Voice signal is converted into the signal of telecommunication by MIC interface or microphone MIC, is coupled to triode Q2 amplifies through electrochemical capacitor C5, and the signal after amplification is delivered to the base stage of triode Q3, promotes lumination of light emitting diode by triode Q3, and sound is larger, and light-emitting diode luminance is higher.
The cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, and the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface. Can realize the charging of other equipment or the expansion of use by this USB interface.
The negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2. By light switch, K2 realizes illumination functions.
Claims (4)
1. a car fills sound controlled LED light circuit, it is characterized in that: comprise voltage conversion circuit, signal amplification circuit, several light emitting diodes that are arranged in parallel, the anodal incoming end of voltage conversion circuit connects the positive pole of supply socket, and the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket; The cathode output end of voltage conversion circuit connects the electrode input end of signal amplification circuit, and the cathode output end of voltage conversion circuit connects the negative input of signal amplification circuit, and signal amplification circuit is connected with light emitting diode;
Voltage conversion circuit comprises electrochemical capacitor C1, capacitor C 2, chip XL4002, resistance R 1, resistance R 2, capacitor C 3, voltage-stabiliser tube ZD1, inductance L 1, resistance R 3, electrochemical capacitor C4, the anodal incoming end of voltage conversion circuit connects the pin 7 of chip XL4002, the anodal incoming end of voltage conversion circuit also connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects the negative input of voltage conversion circuit, the cathode output end of voltage conversion circuit connects pin 3 ground connection of chip XL4002, the pin 7 of chip XL4002 connects the pin 8 of chip XL4002, the pin 7 of chip XL4002 also connects the pin 3 of chip XL4002 by capacitor C 2, the pin 4 of chip XL4002 is by resistance R 1 ground connection, the pin 4 of chip XL4002 also connects the cathode output end of voltage conversion circuit by resistance R 2, resistance R 2 shunt capacitance C3, the pin 5 of chip XL4002 connects the cathode output end of voltage conversion circuit, the pin 6 of chip XL4002 connects the cathode output end of voltage conversion circuit by inductance L 1, the pin 6 of chip XL4002 also connects the negative pole of voltage-stabiliser tube ZD1, the positive pole of voltage-stabiliser tube ZD1 connects the cathode output end of voltage conversion circuit by resistance R 3.
2. car as claimed in claim 1 fills sound controlled LED light circuit, it is characterized in that: signal amplification circuit comprises electrochemical capacitor C5, resistance R 4, MIC interface or microphone MIC, resistance R 5, resistance R 6, electrochemical capacitor C6, triode Q1, triode Q2, the positive pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C5 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R 4, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C5, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C6, the base stage of the negative pole connecting triode Q1 of electrochemical capacitor C6, the base stage of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 5, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 connects the cathode output end of voltage conversion circuit by resistance R 6, the colelctor electrode of triode Q1 is the base stage of connecting triode Q2 also, the grounded emitter of triode Q2, the negative pole of the colelctor electrode connecting luminous diode of triode Q2, the positive pole of sending out diode connects the cathode output end of voltage conversion circuit.
3. car as claimed in claim 2 fills sound controlled LED light circuit, it is characterized in that: the cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, and the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface.
4. car fills sound controlled LED light circuit as claimed in claim 2 or claim 3, it is characterized in that: the negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970650.9U CN205249559U (en) | 2015-11-30 | 2015-11-30 | Car fills acoustic control LED lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970650.9U CN205249559U (en) | 2015-11-30 | 2015-11-30 | Car fills acoustic control LED lamp circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205249559U true CN205249559U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520970650.9U Active CN205249559U (en) | 2015-11-30 | 2015-11-30 | Car fills acoustic control LED lamp circuit |
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| Country | Link |
|---|---|
| CN (1) | CN205249559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451416A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | Voice-activated LED lamp circuit of car charger |
-
2015
- 2015-11-30 CN CN201520970650.9U patent/CN205249559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451416A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | Voice-activated LED lamp circuit of car charger |
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