CN111182683A - Intelligent lamp belt and control method thereof - Google Patents
Intelligent lamp belt and control method thereof Download PDFInfo
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- CN111182683A CN111182683A CN201911175829.4A CN201911175829A CN111182683A CN 111182683 A CN111182683 A CN 111182683A CN 201911175829 A CN201911175829 A CN 201911175829A CN 111182683 A CN111182683 A CN 111182683A
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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 invention discloses an intelligent lamp belt and a control method thereof, wherein the intelligent lamp belt comprises: the acquisition unit is used for acquiring audio signals; the audio signal at least comprises an external sound signal and an internal sound signal, and the acquisition unit at least comprises a microphone and an audio acquisition chip; a control unit for receiving the audio signal and outputting a control signal; and one end of the switching unit is electrically connected with the microphone and the audio acquisition chip, and the other end of the switching unit is electrically connected with the control unit. The technical scheme provided by the invention has the following advantages: the microphone or the collection module built in the playing unit is used as a unit for collecting audio signals, then the real-time audio signals are converted into control switch signals for controlling the light emitting of the lamp strip, so that the color and the brightness of the lamp strip can dance along with music, and plug and play are realized.
Description
Technical Field
The invention relates to the technical field of intelligent lamp belts, in particular to an intelligent lamp belt and a control method thereof.
Background
At present, a plurality of lamp belts are available on the market, most of the lamp belts are common lamp belts, and the control method of the lamp belts is that an infrared receiving control module controls a soft packaged lamp bar and an infrared remote controller is used for controlling the lamp bar; or a wireless module is used for controlling the lamp strip, and the switch of the APP control lamp strip at the handheld end is controlled. The lamp strip with common control on the market can not convert the sound sensed by human ears into real-time light rhythm, and the use of the lamp strip is greatly limited.
Disclosure of Invention
The embodiment of the invention provides an intelligent lamp belt and a control method thereof, which can convert sounds sensed by human ears into real-time light rhythms.
A first aspect of an embodiment of the present invention provides a smart light band, where the smart light band includes:
the acquisition unit is used for acquiring audio signals; the audio signal at least comprises an internal sound signal, and the acquisition unit at least comprises a microphone and an audio acquisition chip;
a control unit for receiving the audio signal and outputting a control signal;
one end of the switching unit is electrically connected with the microphone and the audio acquisition chip, the other end of the switching unit is electrically connected with the control unit, and the switching unit is used for electrically connecting one of the microphone and the audio acquisition chip with the control unit;
and the light-emitting unit is used for receiving the control signal and emitting light according to the control signal.
As an improvement, the audio acquisition chip is in communication connection with the intelligent device through a data line so that the acquisition unit acquires the characteristic signal of the internal sound signal, wherein the internal sound signal is generated by the playing unit.
As an improvement, the characteristic signals include timbre, frequency and loudness.
As an improvement, the playing unit is a smart playing device.
As an improvement, an automatic gain control unit is electrically connected between the microphone and the control unit, and the automatic gain control unit amplifies and balances the level of the internal sound signal collected by the collection unit.
The invention provides a control method of a smart lamp strip, wherein the smart lamp strip is the smart lamp strip, and the control method of the smart lamp strip comprises the following steps:
the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time;
converting the audio signal into a control signal;
receiving the control signal;
and controlling the light-emitting unit to emit light according to the received control signal.
As an improvement, the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time; converting the audio signal into a control signal; receiving the control signal; the step of controlling the light-emitting unit to emit light according to the received control signal specifically includes:
a microphone collects mechanical waves of the external sound signals;
a microphone converts the mechanical waves into analog electrical signals;
the automatic gain control unit amplifies and balances the analog electric signal to form a processed balanced signal;
the controller converts the processed balance signal into a digital signal;
the controller calculates the digital signal through a preset algorithm and outputs a corresponding control signal after calculation;
and the lamp bar receives the control signal and emits light according to the control signal.
As an improvement, the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time; converting the audio signal into a control signal; receiving the control signal; the step of controlling the light emitting unit to emit light according to the received control signal specifically includes:
the intelligent equipment is in communication connection with the playing unit in a wired mode, and an acquisition module of the intelligent equipment acquires internal sound signals generated by the playing unit;
the acquisition module sends the internal sound signal to a controller through a data line;
the controller converts the processed balance signal into a digital signal;
the controller calculates the digital signal through a preset algorithm and outputs a corresponding control signal after calculation;
and the lamp bar receives the control signal and emits light according to the control signal.
As an improvement, the step of calculating the digital signal by the controller through a predetermined algorithm and outputting a corresponding control signal after calculation specifically includes:
acquiring numerical values of the digital signals at the current moment and the previous moment;
calculating the difference value between the numerical value of the digital signal at the current moment and the numerical value of the digital signal at the last moment to obtain a numerical value difference;
judging whether the numerical difference is larger than a first preset value or not;
when the numerical difference is larger than a first preset value, multiplying the first preset value by a multiple a to obtain a multiple value difference;
judging whether the a multiple value difference is larger than a second preset value or not; the second preset value is the maximum brightness value of the light bar, and is greater than 0 and less than the first preset value and less than the second preset value;
when the a multiple value difference is larger than a second preset value, outputting a control signal with the value of the second preset value;
when the a multiple value difference is not larger than a second preset value, outputting a control signal with the value of the a multiple value difference;
when the numerical difference is not greater than the first preset value, outputting a control signal with a numerical value of a third preset value; wherein the third preset value is more than 0 and less than the first preset value.
As an improvement, the step of receiving the control signal by the light bar and emitting light according to the control signal specifically includes:
within a first preset time, a first color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; wherein the fourth preset value is more than 0 and less than the second preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a second preset time after the first preset time, outputting a control signal with a numerical value of a fourth preset value by a second color channel of the lamp strip; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a third preset time after the second preset time, a third color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
and executing the step of the lamp strip in the first preset time after executing the step in the third preset time.
The technical scheme provided by the invention has the following advantages: the microphone or the collection module built in the playing unit is used as a unit for collecting sound signals, then the real-time sound signals are converted into control switch signals for controlling the light emitting of the lamp strip, so that the color and the brightness of the lamp strip can dance along with music, and plug and play are realized.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a smart light strip according to an embodiment of the present invention.
Fig. 2 is a flowchart of a control method of the smart light strip according to an embodiment of the present invention.
In the figure: 10. a playback unit; 11. an acquisition module; 20. an intelligent lamp belt; 21. a microphone; 22. a switching unit; 23. a control unit; 24. a light emitting unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a smart light strip 20 provided in the present invention, where the smart light strip 20 includes:
the acquisition unit is used for acquiring audio signals; the audio signal at least comprises an external sound signal and an internal sound signal, the acquisition unit comprises a microphone 21 for acquiring the external sound signal and a data acquisition chip 11 for acquiring the internal sound signal, wherein the internal sound signal is generated by a playing unit 10, and preferably, the playing unit 10 is an intelligent playing device; in one embodiment, the internal sound signal is regular sound wave frequency and amplitude variation information, such as music; the external sound signal has no regular frequency and amplitude change information of sound waves, such as hurricane, sea wave, earthquake, polar light and magnetic storm; whether the audio signal has regular sound wave frequency and amplitude change information is judged to be an internal sound signal or an external sound signal.
A switching unit 22, one end of the switching unit 22 is electrically connected to the microphone 21 and the audio acquisition chip 11, the other end of the switching unit 22 is electrically connected to the control unit 23, and the switching unit 22 is configured to electrically connect one of the microphone 21 and the audio acquisition chip 11 to the control unit 23; it should be noted that, at the same time, only one of the microphone 21 and the audio acquisition chip 11 works, but the two cannot work at the same time; it should be noted that the audio signal may be collected by the microphone 21, and then whether the audio signal is an external sound signal or an internal sound signal is analyzed, and then the corresponding collecting unit 11 is selected; in addition, the microphone 21 or the data acquisition chip 11 can be switched manually to work.
The following describes in detail a communication manner when the switching unit 22 connects the data acquisition chip 11 to the control unit 23 in a communication manner, where the data acquisition chip 11 is connected to the playing unit 10 in a communication manner so that the data acquisition chip 11 acquires an internal sound signal of the playing unit 10; specifically, the data acquisition chip 11 is in communication connection with the smart light band 20 through a data line, so as to send the internal sound signal to the smart light band 20; the following describes a communication mode when the microphone 21 is connected to the control unit 23 through the switching unit 22, and the microphone 21 collects natural sound generated by a series of meteorological phenomena and other geophysical phenomena (such as hurricane, sea wave, earthquake, polar light, and magnetic storm) after the natural sound is transmitted to the air through a medium after the external sound signal is generated in nature.
A control unit 23 for receiving the audio signal and outputting a control signal;
specifically, after the control unit 23 receives the audio signal collected by the microphone 21 or the collection module 11, the type of the audio signal is an analog electrical signal, the control unit 23 converts the analog electrical signal into a digital electrical signal, and then converts the digital electrical signal into a corresponding pulse width modulation control signal through a preset algorithm.
Preferably, an automatic gain control unit is electrically connected between the microphone 21 and the control unit 23, and the automatic gain control unit amplifies and balances the level of the external sound signal collected by the microphone 21, for example, the amplification factor of an audio signal at a longer distance is increased.
A light emitting unit 24, wherein the light emitting unit 24 is configured to receive the control signal and emit light according to the control signal; specifically, after receiving the pulse width modulation control signal, the driver of the intelligent lamp strip 20 drives the corresponding R (red LED) G (green LED B (blue LED) pin to output a control signal level, and the microphone 21 or the acquisition module 11 is used as a unit for acquiring an audio signal, and then the real-time audio signal is converted into a control switch signal for controlling the lamp strip to emit light, so that the color and brightness of the lamp strip can dance along with music, and plug and play are achieved.
The invention also provides a control method of the intelligent lamp belt, wherein the intelligent lamp belt is the intelligent lamp belt, and the control method specifically comprises the following steps:
step S10: the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time;
specifically, the step of acquiring the audio signal by the acquisition module specifically includes step S101 to step S103 or step S201 to step S202:
step S101: a microphone collects mechanical waves of the external sound signals; wherein the ambient sound signal comprises natural sound;
step S102: a microphone converts the mechanical waves into analog electrical signals;
step S103: the automatic gain control unit amplifies and balances the analog electric signal to form a processed balance signal and sends the processed balance signal to the control unit;
step S201: the intelligent lamp belt is in communication connection with the intelligent playing unit in a wired mode so that the audio acquisition chip acquires internal sound signals generated by the playing unit;
step S202: and the audio acquisition chip sends the internal sound signal to the control unit through a data line.
It should be noted that the audio signal is acquired by the audio acquisition chip or the microphone, and the audio acquisition chip or the microphone can be applied to different scenes, for example, natural sound can be acquired by the microphone, so that the smart light band can rhythm with natural sound; for another example, when listening to music, the audio acquisition chip can be used for capturing characteristic signals of music such as tone, frequency and loudness with high precision; it should be further noted that the microphone collection mode and the audio collection chip collection mode can be switched by a switching unit (such as a switch button), but not limited thereto.
Step S20: converting the audio signal into a control signal; the converting the audio signal into the control signal specifically includes:
step S21: the controller converts the format of the audio signal into a digital signal;
step S22: the controller calculates the digital signal through a preset algorithm and outputs a corresponding control signal after calculation;
step S30: and receiving the control signal and emitting light according to the control signal.
Referring to fig. 2, the predetermined algorithm includes the following steps:
step a: acquiring numerical values of the digital signals at the current moment and the previous moment;
step b: calculating the difference value between the numerical value of the digital signal at the current moment and the numerical value of the digital signal at the last moment to obtain a numerical value difference;
step c: judging whether the numerical difference is larger than a first preset value or not; when the numerical difference is larger than a first preset value, executing the step d; when the numerical difference is not larger than a first preset value, executing the step h;
step d: multiplying the first preset value by a multiple a to obtain a multiple value difference;
step e: judging whether the a multiple value difference is larger than a second preset value or not; the second preset value is the maximum brightness value of the light bar, and is greater than 0 and less than the first preset value and less than the second preset value; when the difference of the multiple values a is larger than a second preset value, executing the step f; executing g when the difference of the multiple values is not greater than a second preset value;
step f: outputting a control signal with the numerical value of a second preset value;
step g: outputting a control signal with a numerical value of a multiple value difference;
step h: outputting a control signal with a numerical value of a third preset value; wherein the third preset value is more than 0 and less than the first preset value.
The invention also provides a use method of the predetermined algorithm, which specifically comprises the following steps:
within a first preset time, a first color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; wherein the fourth preset value is more than 0 and less than the second preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a second preset time after the first preset time, outputting a control signal with a numerical value of a fourth preset value by a second color channel of the lamp strip; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a third preset time after the second preset time, a third color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
and executing the step of the lamp strip in the first preset time after executing the step in the third preset time.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A smart light strip, comprising:
the acquisition unit is used for acquiring audio signals; the audio signal at least comprises an external sound signal and an internal sound signal, and the acquisition unit at least comprises a microphone and an audio acquisition chip;
a control unit for receiving the audio signal and outputting a control signal;
one end of the switching unit is electrically connected with the microphone and the audio acquisition chip, the other end of the switching unit is electrically connected with the control unit, and the switching unit is used for electrically connecting one of the microphone and the audio acquisition chip with the control unit;
and the light-emitting unit is used for receiving the control signal and emitting light according to the control signal.
2. The smart light strip of claim 1, wherein: the audio acquisition chip is in communication connection with the intelligent equipment through a data line so that the acquisition unit acquires characteristic signals of the internal sound signals, wherein the internal sound signals are generated by the playing unit.
3. A smart light strip as claimed in claim 2, wherein: the characteristic signal comprises timbre, frequency and loudness.
4. A smart light strip as claimed in claim 2, wherein: the playing unit is an intelligent playing device.
5. The smart light strip of claim 1, wherein: an automatic gain control unit is electrically connected between the microphone and the control unit and amplifies and balances the level of the internal sound signal acquired by the acquisition unit.
6. A method of controlling a smart light strip, the smart light strip being as claimed in any one of claims 1 to 5, characterized in that: the control method of the intelligent lamp strip comprises the following steps:
the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time;
converting the audio signal into a control signal;
receiving the control signal;
and controlling the light-emitting unit to emit light according to the received control signal.
7. A method of controlling a smart light strip according to claim 6, wherein: the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time; converting the audio signal into a control signal; receiving the control signal; the step of controlling the light-emitting unit to emit light according to the received control signal specifically includes:
a microphone collects mechanical waves of the external sound signals;
a microphone converts the mechanical waves into analog electrical signals;
the automatic gain control unit amplifies and balances the analog electric signal to form a processed balanced signal;
the controller converts the processed balance signal into a digital signal;
the controller calculates the digital signal through a preset algorithm and outputs a corresponding control signal after calculation;
and the lamp bar receives the control signal and emits light according to the control signal.
8. A method of controlling a smart light strip according to claim 6, wherein: the acquisition module acquires an audio signal; the audio signals at least comprise external sound signals and internal sound signals, the plurality of acquisition modules at least comprise microphones and audio acquisition chips, and only one acquisition module acquires the audio signals at the same time; converting the audio signal into a control signal; receiving the control signal; the step of controlling the light emitting unit to emit light according to the received control signal specifically includes:
the intelligent equipment is in communication connection with the playing unit in a wired mode, and an acquisition module of the intelligent equipment acquires internal sound signals generated by the playing unit;
the acquisition module sends the internal sound signal to a controller through a data line;
the controller converts the processed balance signal into a digital signal;
the controller calculates the digital signal through a preset algorithm and outputs a corresponding control signal after calculation;
and the lamp bar receives the control signal and emits light according to the control signal.
9. A method of controlling a smart light strip according to claim 7 or 8, wherein: the step of calculating the digital signal by the controller through a predetermined algorithm and outputting a corresponding control signal after calculation specifically includes:
acquiring numerical values of the digital signals at the current moment and the previous moment;
calculating the difference value between the numerical value of the digital signal at the current moment and the numerical value of the digital signal at the last moment to obtain a numerical value difference;
judging whether the numerical difference is larger than a first preset value or not;
when the numerical difference is larger than a first preset value, multiplying the first preset value by a multiple a to obtain a multiple value difference;
judging whether the a multiple value difference is larger than a second preset value or not; the second preset value is the maximum brightness value of the light bar, and is greater than 0 and less than the first preset value and less than the second preset value;
when the a multiple value difference is larger than a second preset value, outputting a control signal with the value of the second preset value;
when the a multiple value difference is not larger than a second preset value, outputting a control signal with the value of the a multiple value difference;
when the numerical difference is not greater than the first preset value, outputting a control signal with a numerical value of a third preset value; wherein the third preset value is more than 0 and less than the first preset value.
10. A method of controlling a smart light strip according to claim 9, wherein: the step of receiving the control signal by the light bar and emitting light according to the control signal specifically comprises:
within a first preset time, a first color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; wherein the fourth preset value is more than 0 and less than the second preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a second preset time after the first preset time, outputting a control signal with a numerical value of a fourth preset value by a second color channel of the lamp strip; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
within a third preset time after the second preset time, a third color channel of the light bar outputs a control signal with a numerical value of a fourth preset value; the other two color channels of the light bar output corresponding control signals after calculation through a preset algorithm;
and executing the step of the lamp strip in the first preset time after executing the step in the third preset time.
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