CN215956684U - Voice control circuit of lamp - Google Patents
Voice control circuit of lamp Download PDFInfo
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- CN215956684U CN215956684U CN202122035058.8U CN202122035058U CN215956684U CN 215956684 U CN215956684 U CN 215956684U CN 202122035058 U CN202122035058 U CN 202122035058U CN 215956684 U CN215956684 U CN 215956684U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a voice control circuit of a lamp, which relates to the technical field of voice control and comprises a voice receiving and converting module, a voice main control module and an LED lamp module; the voice main control module comprises a voice recognition chip U1, the voice recognition chip U1 comprises an audio signal receiving port US MIC4 and a switch control port LED, and the voice receiving and converting module is connected with the audio signal receiving port US MIC4 and used for receiving a voice signal, converting the voice signal into an audio signal and sending the audio signal to the audio signal receiving port US MIC 4; the voice recognition chip U1 is used for receiving the audio signal and sending a switch control signal to the LED lamp module; the LED lamp module is connected with the switch control port LED and used for receiving the switch control signal and turning on or off the LED lamp, the lamp is turned on or off through voice, a key switch is not needed, and the LED lamp is more convenient and faster.
Description
Technical Field
The utility model relates to the technical field of voice control, in particular to a voice control circuit of a lamp.
Background
The traditional method for turning on or off the lamp is a key switch, and the key switch is used by a user, so that the user needs to find the key switch firstly, and particularly, the key switch is troublesome to find in a dark environment at night; with the development of voice control technology, the realization of turning on or off the electric lamp through voice becomes the urgent need of the vast users.
SUMMERY OF THE UTILITY MODEL
To overcome the deficiencies of the prior art, the present invention provides a voice control circuit for a lamp.
The technical scheme adopted by the utility model for solving the technical problems is as follows: in a voice control circuit for a lamp, the improvement comprising: the voice control system comprises a voice receiving and converting module, a voice main control module and an LED lamp module; the voice main control module comprises a voice recognition chip U1, the voice recognition chip U1 comprises an audio signal receiving port US MIC4 and a switch control port LED, and the voice receiving and converting module is connected with the audio signal receiving port US MIC4 and used for receiving a voice signal, converting the voice signal into an audio signal and sending the audio signal to the audio signal receiving port US MIC 4; the voice recognition chip U1 is used for receiving the audio signal and sending a switch control signal to the LED lamp module; the LED lamp module is connected with the switch control port LED and used for receiving the switch control signal and turning on or off the LED lamp.
In the circuit, the voice main control module further comprises a main power supply filter circuit, a chip internal voltage reference filter circuit and a chip memory power supply filter circuit; the voice recognition chip U1 includes a main POWER supply port POWER, an internal voltage reference filter port VMID and a memory POWER filter port LDO12O,
the main POWER supply filter circuit is connected with a main POWER port POWER and used for filtering a POWER supply of the voice recognition chip U1;
the chip internal voltage reference filter circuit is connected with the internal voltage reference filter port VMID and is used for filtering the internal voltage reference of the audio module of the voice recognition chip U1;
the chip memory power supply filter circuit is connected with the memory power supply filter port LDO12O and is used for filtering the power supply of the internal flash memory device of the voice recognition chip U1.
In the circuit, the voice recognition chip U1 further includes a microphone power port AVDD,
and the microphone power supply port AVDD is connected with the voice receiving and converting module and used for supplying power to the voice receiving and converting module.
In the above circuit, the voice main control module further includes a microphone power filter circuit, and the microphone power filter circuit is connected to the microphone power port AVDD and configured to filter a power of the voice receiving and converting module.
IN the circuit, the voice recognition chip U1 further comprises a crystal oscillator signal input port XTAL IN and a crystal oscillator signal output port XTAL OUT,
the crystal oscillator module is connected with the crystal oscillator signal input port XTAL IN and the crystal oscillator signal output port XTAL OUT and used for providing stable working frequency for an internal clock of the voice recognition chip U1.
In the circuit, the voice recognition circuit also comprises a power amplifier horn module, the voice recognition chip U1 comprises a digital audio signal port US DAC X,
the power amplifier horn module is connected with the digital audio signal port US DAC X and used for receiving the digital audio signal sent by the voice recognition chip U1 and outputting the digital audio signal and playing sound.
The circuit further comprises a power supply module, wherein the power supply module is connected with the first power supply and used for converting the first power supply into a second power supply by voltage reduction;
and the power supply module is also connected with the voice main control module and the power amplifier loudspeaker module and is used for taking the second power supply as a working power supply of the voice main control module and the power amplifier loudspeaker module.
The circuit further comprises a low-dropout linear voltage stabilizing module, wherein the low-dropout linear voltage stabilizing module is connected with the power supply module and is used for converting the second power supply into a third power supply by voltage reduction;
the low-voltage-difference linear voltage stabilizing module is also connected with the LED lamp module and is used for taking a third power supply as a working power supply of the LED lamp module.
In the circuit, the voice receiving and converting module comprises a microphone J2, a resistor R5, a capacitor C21, a capacitor C19, a resistor R4, a capacitor C13 and a resistor R2,
the microphone J2 is connected with the resistor R5, the other end of the resistor R5 is connected with the capacitor C19, and the other end of the capacitor C19 is connected with the audio signal receiving port US MIC 4; a first connecting point is arranged between the resistor R5 and the capacitor C19, one end of the capacitor C21 is connected with the first connecting point, and the other end of the capacitor C21 is grounded;
a second connection point is arranged between the microphone J2 and the resistor R5, the second connection point is connected with the resistor R4, the other end of the resistor R4 is connected with the resistor R2, and the other end of the resistor R2 is connected with the microphone power supply port AVDD;
a third connection point is arranged between the resistor R4 and the resistor R2, one end of the capacitor C13 is connected with the third connection point, and the other end is grounded.
In the circuit, the LED lamp module comprises a resistor R21, a resistor R30, a resistor R22, a triode Q3 and two LED circuits, wherein the LED circuits comprise a plurality of light emitting diodes connected in parallel;
one end of the resistor R21 is connected with the third power supply, the other end of the resistor R21 is connected with a fourth connection point, one end of the resistor R30 is connected with the third power supply, and the other end of the resistor R30 is connected with the fourth connection point;
the positive electrode of the light-emitting diode is connected with the fourth connection point, the negative electrode of the light-emitting diode is connected with the collector electrode of the triode Q3, the base electrode of the triode Q3 is connected with the resistor R22, the other end of the resistor R22 is connected with the switch control port LED, and the emitting electrode of the triode Q3 is grounded.
The utility model has the beneficial effects that: the lamp is turned on or off through voice, a key switch is not needed, and the lamp is more convenient and faster.
Drawings
Fig. 1 is a block diagram of the overall structure of a voice control circuit of a lamp according to the present invention.
Fig. 2 is a circuit diagram of the voice receiving and converting module in fig. 1.
Fig. 3 is a circuit diagram of the voice master module in fig. 1.
Fig. 4 is a circuit diagram of the LED lamp module of fig. 1.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 and fig. 3, the present invention discloses a voice control circuit of a lamp, including a voice receiving and converting module 10, a voice main control module 20, an LED lamp module 30, a crystal oscillator module 40, a power amplifier speaker module 50, a power supply module 60, and a low dropout linear regulator module 70; the voice main control module 20 comprises a voice recognition chip U1, the model number of the voice recognition chip U1 is US516P6, the voice recognition chip U1 comprises an audio signal receiving port US MIC4, a switch control port LED, a crystal oscillator signal input port XTAL IN, a crystal oscillator signal output port XTAL OUT, a digital audio signal port US DAC X and a microphone power port AVDD,
the power supply module 60 is connected with a first power supply 220V, and converts the first power supply 220V into a second power supply 5V by voltage reduction, and the power supply module 60 is also connected with the voice main control module 20 and the power amplifier horn module 50, and uses the second power supply 5V as a working power supply of the voice main control module 20 and the power amplifier horn module 50; the low-dropout linear voltage stabilizing module 70 is connected with the power supply module 60 and is used for converting the second power supply 5V into a third power supply 3.3V in a voltage reduction mode; the low-dropout linear regulator module 70 is further connected with the LED lamp module 30, and uses a third power supply of 3.3V as a working power supply of the LED lamp module 30; the microphone power supply port AVDD is connected with the voice receiving and converting module 10 and supplies power to the voice receiving and converting module 10; after the circuit is connected with the first power supply 220V, all power supply requirements can be met, and other external power supplies are not needed.
The crystal oscillator module 40 comprises a quartz crystal oscillator X1, wherein the model of the crystal oscillator X1 is SMD-3225, and the crystal oscillator module is connected with a crystal oscillator signal input port XTAL IN and a crystal oscillator signal output port XTAL OUT, and outputs a 12MHZ frequency signal to the voice recognition chip U1, so as to provide a stable working frequency for an internal clock of the voice recognition chip U1.
As shown in fig. 2, the voice receiving and converting module 10 includes a microphone J2, a resistor R5, a capacitor C21, a capacitor C19, a resistor R4, a capacitor C13, and a resistor R2, the microphone J2 is connected to the resistor R5, the other end of the resistor R5 is connected to the capacitor C19, and the other end of the capacitor C19 is connected to the audio signal receiving port US MIC 4; a first connecting point 80 is arranged between the resistor R5 and the capacitor C19, one end of the capacitor C21 is connected with the first connecting point 80, and the other end of the capacitor C21 is grounded; a second connection point 90 is arranged between the microphone J2 and the resistor R5, the second connection point 90 is connected with the resistor R4, the other end of the resistor R4 is connected with the resistor R2, and the other end of the resistor R2 is connected with the microphone power supply port AVDD; a third connection point 100 is provided between the resistor R4 and the resistor R2, and one end of the capacitor C13 is connected to the third connection point 100 and the other end is grounded.
As shown in fig. 4, the LED lamp module 30 includes a resistor R21, a resistor R30, a resistor R22, a transistor Q3, and two LED circuits 301, where the LED circuits 301 include a plurality of parallel light emitting diodes, such as LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, and so on; the transistor Q3 is a PNP transistor with model number S8050;
one end of the resistor R21 is connected with the third power supply at 3.3V, the other end is connected with the fourth connection point 110, one end of the resistor R30 is connected with the third power supply at 3.3V, and the other end is connected with the fourth connection point 110;
the anodes of the light emitting diodes, such as the anodes of the LED lamp D2, the LED lamp D3, the LED lamp D4 and the LED lamp D5, are all connected to the fourth connection point 110, the cathodes of the light emitting diodes are all connected to the collector of the triode Q3, the base of the triode Q3 is connected to the resistor R22, the other end of the resistor R22 is connected to the switch control port LED, and the emitter of the triode Q3 is grounded;
when a user speaks 'turn on light', the microphone J2 receives a sound signal, converts the sound signal into an audio signal, and sends the audio signal to the voice recognition chip U1 through the audio signal receiving port US MIC 4; the voice recognition chip U1 converts the analog signal into a digital signal, judges whether the command entry data is a command of turning on light, if not, the voice recognition chip U1 continuously waits until a correct audio signal is received, if so, a corresponding control action is executed, the voice recognition chip U1 outputs a high level to a triode Q3 in the LED lamp module 30 through a switch control port LED, at the moment, the base voltage of the triode Q3 is 3.3V, the voltage of an emitter of the triode Q3 is 0V, the triode Q3 is turned from a cut-off state to a conducting state, the collector voltage of the triode Q3 is 0V, the positive electrodes and the negative electrodes of the LED lamp D2, the LED lamp D3, the LED lamp D4 and the LED lamp D5 form a forward voltage difference of 3.3V, and therefore the LED lamp D2, the LED lamp D3, the LED lamp D4 and the LED lamp D5 are all turned on to turn on the lamp; meanwhile, the power amplifier horn module 50 is connected with the digital audio signal port US DAC X, the voice recognition chip U1 outputs digital audio signals to the power amplifier horn module 50 through the digital audio signal port US DAC X, the power amplifier horn module 50 comprises an audio amplification chip U2 and a horn, the type of the audio amplification chip U2 is LPA4871, the audio amplification chip U2 outputs the amplified audio signals to the horn after amplifying the audio signals through two internally integrated operational amplifiers, and the horn plays a sound of being turned on to inform a user that the lamp is turned on; similarly, the lamp can be turned off through voice, and the lamp can be controlled to be turned on or turned off through voice speaking.
Further, as shown in fig. 3, the voice main control module 20 further includes a main power supply filter circuit 201, a chip internal voltage reference filter circuit 202, a chip memory power supply filter circuit 203, and a microphone power supply filter circuit 204; the voice recognition chip U1 comprises a main POWER supply port POWER, an internal voltage reference filter port VMID and a memory POWER supply filter port LDO12O, and the main POWER supply filter circuit 201 is connected with the main POWER supply port POWER and used for filtering POWER of the voice recognition chip U1; the chip internal voltage reference filter circuit 202 is connected with the internal voltage reference filter port VMID to filter the internal voltage reference of the audio module of the voice recognition chip U1; the chip memory power supply filter circuit 203 is connected with the memory power supply filter port LDO12O and is used for filtering the power supply of the internal flash memory device of the voice recognition chip U1; the microphone power filter circuit 204 is connected to the microphone power port AVDD, and filters the power of the voice receiving and converting module 10.
According to the voice control circuit of the lamp, the lamp is turned on or turned off through voice, a key switch is not needed, and the voice control circuit is convenient and rapid.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A voice control circuit for a lamp, characterized by: the voice control system comprises a voice receiving and converting module, a voice main control module and an LED lamp module; the voice main control module comprises a voice recognition chip U1, the voice recognition chip U1 comprises an audio signal receiving port US MIC4 and a switch control port LED,
the voice receiving and converting module is connected with the audio signal receiving port US MIC4 and used for receiving a voice signal, converting the voice signal into an audio signal and sending the audio signal to the audio signal receiving port US MIC 4;
the voice recognition chip U1 is used for receiving the audio signal and sending a switch control signal to the LED lamp module;
the LED lamp module is connected with the switch control port LED and used for receiving the switch control signal and turning on or off the LED lamp.
2. A voice control circuit for a lamp as claimed in claim 1, wherein: the voice main control module also comprises a main power supply filter circuit, a chip internal voltage reference filter circuit and a chip internal memory power supply filter circuit; the voice recognition chip U1 includes a main POWER supply port POWER, an internal voltage reference filter port VMID and a memory POWER filter port LDO12O,
the main POWER supply filter circuit is connected with a main POWER port POWER and used for filtering a POWER supply of the voice recognition chip U1;
the chip internal voltage reference filter circuit is connected with the internal voltage reference filter port VMID and is used for filtering the internal voltage reference of the audio module of the voice recognition chip U1;
the chip memory power supply filter circuit is connected with the memory power supply filter port LDO12O and is used for filtering the power supply of the internal flash memory device of the voice recognition chip U1.
3. A voice control circuit for a lamp as claimed in claim 1, wherein: the voice recognition chip U1 also includes a microphone power port AVDD,
and the microphone power supply port AVDD is connected with the voice receiving and converting module and used for supplying power to the voice receiving and converting module.
4. A voice control circuit for a lamp as claimed in claim 3, wherein: the voice main control module further comprises a microphone power supply filter circuit, and the microphone power supply filter circuit is connected with the microphone power supply port AVDD and used for filtering power supply of the voice receiving and converting module.
5. A voice control circuit for a lamp as claimed in claim 1, wherein: the voice recognition chip U1 further comprises a crystal oscillator signal input port XTAL IN and a crystal oscillator signal output port XTAL OUT,
the crystal oscillator module is connected with the crystal oscillator signal input port XTAL IN and the crystal oscillator signal output port XTAL OUT and used for providing stable working frequency for an internal clock of the voice recognition chip U1.
6. A voice control circuit for a lamp as claimed in claim 1, wherein: the voice recognition chip U1 comprises a digital audio signal port USDAC X,
the power amplifier horn module is connected with a digital audio signal port USDAC X and used for receiving a digital audio signal sent by the voice recognition chip U1 and outputting the digital audio signal and playing sound.
7. A voice control circuit for a lamp as claimed in claim 6, wherein: the power supply module is connected with the first power supply and is used for converting the first power supply into a second power supply in a voltage reduction mode;
and the power supply module is also connected with the voice main control module and the power amplifier loudspeaker module and is used for taking the second power supply as a working power supply of the voice main control module and the power amplifier loudspeaker module.
8. A voice control circuit for a lamp as claimed in claim 7, wherein: the low-voltage-difference linear voltage stabilizing module is connected with the power supply module and is used for converting the second power supply into a third power supply in a voltage reduction mode;
the low-voltage-difference linear voltage stabilizing module is also connected with the LED lamp module and is used for taking a third power supply as a working power supply of the LED lamp module.
9. A voice control circuit for a lamp as claimed in claim 4, wherein: the voice receiving and converting module comprises a microphone J2, a resistor R5, a capacitor C21, a capacitor C19, a resistor R4, a capacitor C13 and a resistor R2,
the microphone J2 is connected with the resistor R5, the other end of the resistor R5 is connected with the capacitor C19, and the other end of the capacitor C19 is connected with the audio signal receiving port US MIC 4; a first connecting point is arranged between the resistor R5 and the capacitor C19, one end of the capacitor C21 is connected with the first connecting point, and the other end of the capacitor C21 is grounded;
a second connection point is arranged between the microphone J2 and the resistor R5, the second connection point is connected with the resistor R4, the other end of the resistor R4 is connected with the resistor R2, and the other end of the resistor R2 is connected with the microphone power supply port AVDD;
a third connection point is arranged between the resistor R4 and the resistor R2, one end of the capacitor C13 is connected with the third connection point, and the other end is grounded.
10. A voice control circuit for a lamp as claimed in claim 8, wherein: the LED lamp module comprises a resistor R21, a resistor R30, a resistor R22, a triode Q3 and two LED circuits, wherein the LED circuits comprise a plurality of light emitting diodes which are connected in parallel;
one end of the resistor R21 is connected with the third power supply, the other end of the resistor R21 is connected with a fourth connection point, one end of the resistor R30 is connected with the third power supply, and the other end of the resistor R30 is connected with the fourth connection point;
the positive electrode of the light-emitting diode is connected with the fourth connection point, the negative electrode of the light-emitting diode is connected with the collector electrode of the triode Q3, the base electrode of the triode Q3 is connected with the resistor R22, the other end of the resistor R22 is connected with the switch control port LED, and the emitting electrode of the triode Q3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035058.8U CN215956684U (en) | 2021-08-26 | 2021-08-26 | Voice control circuit of lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035058.8U CN215956684U (en) | 2021-08-26 | 2021-08-26 | Voice control circuit of lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215956684U true CN215956684U (en) | 2022-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122035058.8U Active CN215956684U (en) | 2021-08-26 | 2021-08-26 | Voice control circuit of lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215956684U (en) |
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2021
- 2021-08-26 CN CN202122035058.8U patent/CN215956684U/en active Active
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