CN107864431A - A kind of air-conditioning panel sound control method for playing back and system - Google Patents
A kind of air-conditioning panel sound control method for playing back and system Download PDFInfo
- Publication number
- CN107864431A CN107864431A CN201710914220.9A CN201710914220A CN107864431A CN 107864431 A CN107864431 A CN 107864431A CN 201710914220 A CN201710914220 A CN 201710914220A CN 107864431 A CN107864431 A CN 107864431A
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- air
- conditioning panel
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- button
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to vehicle air conditioning panel control technology field, specifically discloses a kind of air-conditioning panel sound control method for playing back and system, comprises the following steps：S1, control terminal obtain air-conditioning panel button audio signal and are converted into data signal；S2, control terminal inquire user's operating air conditioner panel button, data signal corresponding to button is converted into audio signal and exported, the present invention is by obtaining air-conditioning panel button audio signal, after audio signal is converted into data signal storage, when inquiring user's operating air conditioner panel button, transfer corresponding digital signals and be converted into audio signal and by loudspeaker sounding, solve the problems, such as audio distortions, sharp and client and twang can not be met, and without additionally increasing audio chip, reduce production cost.
Description
Technical field
The present invention relates to vehicle air conditioning panel control technology field, more particularly to a kind of air-conditioning panel sound to play controlling party
Method and system.
Background technology
Air-Conditioning Control Panel starts to be evolved into contact panel by traditional panel at present, when driving, due to touch surface
The characteristic of plate, blind behaviour's property degree of user is added, it requires can send sound in user's operating air conditioner control panel,
Inform that user is successfully completed an operation.In order to realize the audio function, can typically be exported in industry using MCU control unit
PWM square waves drive buzzer to realize, according to such conceptual design, it may appear that PWM square waves can not be fitted audio curve, right
Distortion can be caused in the control output of sound and sound is more sharp, and unhappy experience is brought to user, and used in industry
Another scheme is to realize the audio function using special audio chip, but the technical scheme can cause extra cost to bear
Load, increase the Productive statistics of enterprise.
The content of the invention
For above-mentioned technical problem, the invention provides one kind to solve audio distortions, sharp and can not meet client
And the problem of twang, and without additionally increasing audio chip, reduce production cost air-conditioning panel sound control method for playing back and
System.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention is specific as follows：A kind of air-conditioning panel sound is broadcast
Place control method, comprise the following steps：S1, control terminal obtain air-conditioning panel button audio signal and are converted into data signal；S2、
Control terminal inquires user's operating air conditioner panel button, and data signal corresponding to button is converted into audio signal and exported.
Preferably, the step S2 is specially：S21, control terminal inquiry user whether operating air conditioner panel button；S22, look into
User's operating air conditioner panel button is ask, data signal corresponding to button is transferred and caches；User's operating air conditioner face is not inquired
Plate button, return to step S21；S23, the data signal of caching is converted into audio signal and exported.
Preferably, procedure below is also included in the step S22：Whether S221, the data signal for judging to cache are empty；
If the data signal of S222, caching is not sky, data signal is converted into audio signal and exported；If the data signal of caching
For sky, then return to step S21.
Preferably, the step S1 also includes procedure below：S11, data signal stored, inquiring user behaviour
Make air-conditioning panel button, transfer after data signal corresponding to button is converted into audio signal and export.
Preferably, the air-conditioning panel sound control method for playing back also includes step S3：The audio signal of output is converted
To be output to loudspeaker sounding after differential signal, meets the needs of user couple and twang.
Preferably, the step S3 specifically includes procedure below：Differential signal is carried out to filter interference processing, improves air-conditioning
The degree of accuracy of panel sound sounding, the problem of avoiding the occurrence of audio distortions.
Present invention also offers a kind of air-conditioning panel sound play control system, including MCU control unit and MCU to control
The PCM equipment and loudspeaker of unit connection, the present invention are sent by PCM equipment acquisition audio signal and after being converted into data signal
To MCU control unit, data signal is converted into after audio signal and is output to loudspeaker sounding by MCU control unit, solves sound
It is sound distortion, sharp and the problem of client and twang can not be met, and without additionally increase audio chip, reduce production cost.
Preferably, the timer that the MCU control unit includes digital analog converter, is connected with digital analog converter
The memory being connected with data buffer and with data buffer；The memory connects PCM equipment, the digital simulation
Converter connects loudspeaker, after data signal is sent to MCU control unit by PCM equipment, in data signal storage to memory,
When having inquired user's operating air conditioner panel button, timers trigger, data buffer is sent to numeral after transferring data signal
Analog converter exports after being converted into audio signal.
Preferably, discharge circuit is also associated between the MCU control unit and loudspeaker, by discharge circuit by audio
Output starts loudspeaker sounding after signal is converted into differential signal, meets the needs of user couple and twang.
Preferably, the MCU control unit is connected by electric capacity C1, resistance R1, resistance R2 with discharge circuit, and electric capacity C1 rises
To the effect of filtering exchange noise jamming signal, resistance R1 and resistance R2 coordinate as regulation output driving power of loudspeaker, carry
The degree of accuracy of high sound output, the problem of avoiding the occurrence of audio distortions.
Compared with prior art, the beneficial effects of the present invention are：By obtaining air-conditioning panel button audio signal, by sound
After frequency signal is converted into data signal storage, when inquiring user's operating air conditioner panel button, transfers corresponding digital signals and turn
Turn to audio signal and by loudspeaker sounding, without extra increase audio chip, reduce production cost；Will using discharge circuit
The audio signal of output is output to loudspeaker sounding after being converted into differential signal, meets the needs of user couple and twang；By setting
Put electric capacity and resistance coordinates as regulation output driving power of loudspeaker, improve the degree of accuracy of sound output, avoid the occurrence of sound
The problem of distortion.
Brief description of the drawings
Fig. 1 is the method flow diagram of the embodiment of the present invention one；
Fig. 2 is the method flow diagram of the embodiment of the present invention three；
Fig. 3 is the overall system diagram of the embodiment of the present invention five and embodiment six；
Fig. 4 is the internal structure framework of the MCU control unit of the embodiment of the present invention six；
Fig. 5 is the overall system diagram of the embodiment of the present invention seven and embodiment eight；
Fig. 6 is the circuit connection diagram between MCU control unit and discharge circuit in the embodiment of the present invention eight.
Embodiment
In order that those skilled in the art is better understood from technical scheme, below in conjunction with the accompanying drawings to the present invention
Technical scheme be further elaborated.
Embodiment one：As shown in figure 1, a kind of air-conditioning panel sound control method for playing back, comprises the following steps：S1, control
End obtains air-conditioning panel button audio signal and is converted into data signal；S2, control terminal inquire user's operating air conditioner panel by
Key, data signal corresponding to button is converted into audio signal and exported；S3, the audio signal of output is converted into differential signal
After be output to loudspeaker sounding.The present invention obtains air-conditioning panel button audio signal by control terminal, by the waveform of audio signal
Binary code is converted into, and sample frequency, data stream size, quantization unit data and audio number are included in binary code
According to key message is waited, i.e. data signal is that the voice signal of consecutive variations is sampled, and quantifies and encodes caused, it is necessary to say
Bright, the control terminal in the present embodiment is MCU control unit or other can realize that the present invention plays to air-conditioning panel sound
Microprocessor being controlled etc..
When inquiring user's operating air conditioner panel button, data signal corresponding to the button of user's operation is converted into sound
Frequency signal, then obtained audio signal is converted into after differential signal and is output to loudspeaker sounding, it so can both meet user couple
With the demand of twang, while without extra increase audio chip, cost burden is reduced.
Embodiment two：The present embodiment is similar with embodiment one, further, differential signal is carried out to filter interference processing,
Improve the degree of accuracy of air-conditioning panel sound sounding, the problem of avoiding the occurrence of audio distortions.
Embodiment three：As shown in Fig. 2 a kind of air-conditioning panel sound control method for playing back, comprises the following steps：S1, control
End obtains air-conditioning panel button audio signal and is converted into data signal；S11, control terminal will convert obtained data signal progress
Storage；S2, control terminal inquire user's operating air conditioner panel button, and data signal corresponding to button is converted into audio signal simultaneously
Output.
When inquiring user's operating air conditioner panel button, data signal corresponding to the button of control terminal calling and obtaining user operation
And audio signal is converted into, then obtained audio signal is converted into after differential signal and is output to loudspeaker sounding, the present embodiment
Stored after before use, being first converted into data signal to audio signal corresponding to air-conditioning panel button, in use,
When inquiring user's operating air conditioner panel button, data signal corresponding to button is transferred, improves whole efficiency, the present invention
Without additionally increasing audio chip, the demand of user couple and twang is realized.
Example IV：A kind of air-conditioning panel sound control method for playing back, comprises the following steps：Control terminal S1, obtain air-conditioning
Panel button audio signal is simultaneously converted into data signal；S21, control terminal inquiry user whether operating air conditioner panel button；S22、
User's operating air conditioner panel button is inquired, data signal corresponding to button is transferred and caches；User's operating air conditioner is not inquired
Panel button, return to step S21；Whether S221, the data signal for judging to cache are empty；If the data signal of S222, caching is not
For sky, then data signal is converted into audio signal and exported；If the data signal of caching is sky, return to step S21；S23、
The data signal of caching is converted into audio signal and exported by control terminal.
The present embodiment is by the way that after obtaining air-conditioning panel button audio signal and being converted into data signal, whether inquiry user grasps
Make air-conditioning panel button, if so, then transfer data signal corresponding to button and cache, then judge caching data signal whether
For sky, if not empty, then data signal is converted into audio signal and exported, above-mentioned inquiry user whether operating air conditioner panel
During whether button and the data signal for judging to cache are sky, if the numeral of the non-operating air conditioner panel button of user or caching
Signal is space-time, is all back to step S21, that is, continue inquire about user whether operating air conditioner panel button.The present embodiment is by sentencing
Whether the data signal of disconnected caching is empty, improves the accuracy of control sound output.
Embodiment five：As shown in figure 3, a kind of air-conditioning panel sound play control system, including MCU control unit and MCU
The PCM equipment and loudspeaker of control unit connection, the present invention obtain audio signal and after being converted into data signal by PCM equipment
MCU control unit is sent to, data signal is converted into after audio signal and is output to loudspeaker sounding by MCU control unit, solves
It is audio distortions, sharp and the problem of client and twang can not be met, and without additionally increase audio chip, reduction is produced into
This.
Embodiment six：As shown in Figure 3,4, a kind of air-conditioning panel sound play control system, including MCU control unit, with
The PCM equipment and loudspeaker, wherein MCU control unit of MCU control unit connection include digital analog converter and digital simulation
The timer and data buffer of converter connection and the memory being connected with data buffer；The memory connects PCM
Equipment, the digital analog converter connect loudspeaker.The present embodiment obtains audio signal by PCM equipment and is converted into numeral
Memory storage is sent to after signal, when MCU control unit has inquired user's operating air conditioner panel button, timer touches
Hair, data buffer transfers data signal corresponding to button in memory, and is judged by MCU control unit in data buffer
Whether data signal is empty, if not empty, i.e., is completely sent data signal to digital analog converter, by digital-to-analogue conversion
Data signal is reduced to be output to loudspeaker sounding after audio signal by device；If it is empty, then continuation is by MCU control unit inquiry
No to have user's operating air conditioner panel button, the present embodiment reduces cost burden without audio chip.
Embodiment seven：As shown in figure 5, the present embodiment is similar with embodiment six, further, the MCU control unit with
Discharge circuit is also associated between loudspeaker, audio signal is converted into output startup after differential signal by discharge circuit raises one's voice
Device sounding, meets the needs of user couple and twang.
Embodiment eight：The present embodiment is on the basis of embodiment seven as shown in Figure 5,6, and further, MCU control unit is led to
Cross electric capacity C1, resistance R1, resistance R2 to be connected with discharge circuit, electric capacity C1 plays a part of filtering exchange noise jamming signal, electricity
Hinder R1 and resistance R2 to coordinate as regulation output driving power of loudspeaker, improve the degree of accuracy of sound output, avoid the occurrence of sound
The problem of distortion, the present embodiment can also use enable signal to be used as the switch that discharge circuit works by MCU control unit, can
Effectively avoid loudspeaker from noise occur, improve the experience of user.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Various changes can be made.
Claims (10)
1. a kind of air-conditioning panel sound control method for playing back, it is characterised in that comprise the following steps：
S1, control terminal obtain air-conditioning panel button audio signal and are converted into data signal；
S2, control terminal inquire user's operating air conditioner panel button, and data signal corresponding to button is converted into audio signal simultaneously
Output.
2. air-conditioning panel sound control method for playing back according to claim 1, it is characterised in that the step S2 is specific
For：S21, control terminal inquiry user whether operating air conditioner panel button；S22, user's operating air conditioner panel button is inquired, transferred
Data signal corresponding to button simultaneously caches；User's operating air conditioner panel button, return to step S21 are not inquired；S23, it will cache
Data signal be converted into audio signal and export.
3. air-conditioning panel sound control method for playing back according to claim 2, it is characterised in that also wrapped in the step S22
Include procedure below：Whether S221, the data signal for judging to cache are empty；If the data signal of S222, caching is not sky, by number
Word signal is converted into audio signal and exported；If the data signal of caching is sky, return to step S21.
4. air-conditioning panel sound control method for playing back according to claim 1, it is characterised in that the step S1 also includes
Procedure below：S11, data signal stored.
5. air-conditioning panel sound control method for playing back according to claim 1, it is characterised in that the air-conditioning panel sound
Control method for playing back also includes step S3：The audio signal of output is converted into after differential signal and is output to loudspeaker sounding.
6. air-conditioning panel sound control method for playing back according to claim 5, it is characterised in that the step S3 is specifically wrapped
Include procedure below：Differential signal is carried out to filter interference processing.
7. the air-conditioning panel sound play control system according to any one of claim 1 ~ 6, it is characterised in that：Including MCU
Control unit, the PCM equipment being connected with MCU control unit and loudspeaker.
8. air-conditioning panel sound play control system according to claim 7, it is characterised in that：The MCU control unit
The timer and data buffer and and data buffer being connected including digital analog converter, with digital analog converter
The memory of connection；The memory connects PCM equipment, and the digital analog converter connects loudspeaker.
9. air-conditioning panel sound play control system according to claim 7, it is characterised in that：The MCU control unit
Discharge circuit is also associated between loudspeaker.
10. air-conditioning panel sound play control system according to claim 9, it is characterised in that：The MCU control unit
It is connected by electric capacity C1, resistance R1, resistance R2 with discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914220.9A CN107864431A (en) | 2017-09-30 | 2017-09-30 | A kind of air-conditioning panel sound control method for playing back and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710914220.9A CN107864431A (en) | 2017-09-30 | 2017-09-30 | A kind of air-conditioning panel sound control method for playing back and system |
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| Publication Number | Publication Date |
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| CN107864431A true CN107864431A (en) | 2018-03-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710914220.9A Pending CN107864431A (en) | 2017-09-30 | 2017-09-30 | A kind of air-conditioning panel sound control method for playing back and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193179A (en) * | 2020-09-30 | 2021-01-08 | 东风汽车集团有限公司 | Device and method for vehicle-mounted touch key sound centralized control |
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| CN101325768A (en) * | 2007-06-14 | 2008-12-17 | 鸿富锦精密工业（深圳）有限公司 | Mobile communication device and key-press input method thereof |
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Application publication date: 20180330 |
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