CN210491179U - Audio conversion circuit with audio serial port debugging function and audio conversion system - Google Patents
Audio conversion circuit with audio serial port debugging function and audio conversion system Download PDFInfo
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Abstract
An audio frequency conversion circuit with audio frequency serial ports debugging function and audio frequency conversion system with audio frequency serial ports debugging function, the audio frequency conversion circuit includes: the device comprises a switch module, a signal conversion module, an audio driving module and a debugging driving module; the switching module detects the access of the audio playing device or the audio debugging device and outputs a first switching signal or a second switching signal; the signal conversion module transmits an audio signal output by the audio playing device according to the first switch signal or generates a serial debugging signal according to the second switch signal; the audio driving module outputs an audio playing signal to the audio equipment; the debugging driving module carries out serial port debugging on the audio equipment according to the serial debugging signal; the audio conversion circuit in the embodiment of the application realizes the functions of audio playing control and serial port debugging for the compatibility of the audio equipment, simplifies the audio control steps for the audio equipment, reduces the cost of audio serial port debugging and ensures the communication safety of the audio equipment.
Description
Technical Field
The application belongs to the technical field of electronic circuits, and particularly relates to an audio conversion circuit with an audio serial port debugging function and an audio conversion system with the audio serial port debugging function.
Background
With the continuous improvement of the living standard of people, the voice playing equipment becomes an indispensable electronic component for acquiring sound information in daily life of people, the function of voice broadcasting can be realized through the voice playing equipment, the quality and the efficiency of sound playing are guaranteed, and the voice playing equipment can realize one-to-one voice communication among users so as to meet the instant communication requirements of the users; therefore, the voice playing equipment has a multifunctional audio transmission function, and brings good hearing experience to users; the voice playing equipment has the advantages of low manufacturing cost, easy realization and the like; therefore, the voice playing device is generally applicable to various industrial technical fields, and great practical value is generated.
However, in the process of applying the voice playing device, a technician needs to debug the serial port of the voice playing device in real time to maintain the working stability of the voice playing device, so that the serial port debugging has important practical significance for maintaining the communication security of the voice playing device and is a step that the voice playing device must implement in the actual application process; however, in the process of serial port debugging for the voice playing device in the conventional technology, an additional serial port conversion interface or serial port switching device is needed to be used for signal transmission in the serial port debugging process, and even a special customized serial port transmission device is needed to be applied to a specific voice playing device, which not only causes the serial port debugging cost of the voice playing device to be greatly increased, but also causes the voice control step of the voice playing device to be more complicated, the voice playing cost and the application cost thereof to be higher, thereby bringing great inconvenience to the use of a user, and reducing the practical value and compatibility of the voice playing device.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present application provides an audio conversion circuit with an audio serial port debugging function and an audio conversion system with an audio serial port debugging function, and aims to solve the problems that the traditional technical scheme has higher serial port debugging cost and lower compatibility for a voice playing device, which results in more complex control steps and lower practical value of the voice playing device.
The first aspect of the embodiment of the application provides an audio frequency conversion circuit with audio frequency serial ports debugging function, is connected with audio equipment, audio frequency conversion circuit includes:
the audio player is configured to receive an audio signal output by the audio player and output a first switch signal when the audio player is detected to be accessed; or when detecting that the audio debugging equipment is accessed, the switch module receives the audio debugging signal output by the audio debugging equipment and outputs a second switch signal;
the signal conversion module is connected with the switch module and is configured to convert the audio signal into an audio playing signal according to the first switch signal transmission or generate a serial debugging signal according to the second switch signal;
the audio driving module is connected with the signal conversion module and the audio equipment and is configured to output the audio playing signal to the audio equipment; and
and the debugging driving module is connected with the signal conversion module and the audio equipment and is configured to carry out serial port debugging on the audio equipment according to the serial debugging signal.
In one embodiment, the audio conversion circuit further comprises:
a first power module connected to the signal conversion module, configured to output a first power signal, and output the first power signal to the signal conversion module; and
and the second power supply module is connected with the audio driving module and the debugging driving module, is configured to output a second power supply signal, and outputs the second power supply signal to the audio driving module and the debugging driving module.
In one embodiment, the voltage of the first power signal is different from the voltage of the second power signal.
In one embodiment, the signal conversion module comprises:
the circuit comprises a signal conversion chip, a first capacitor, a first resistor, a second resistor and a third resistor;
the grounding pin of the signal conversion chip is grounded;
the first switch driving pin of the signal conversion chip is used for accessing the audio playing device;
the second switch driving pin of the signal conversion chip is used for accessing the audio debugging equipment;
a power input pin of the signal conversion chip and a first end of the first capacitor are connected to the first power module in a shared mode, and a second end of the first capacitor is grounded;
the first end of the first resistor, the first end of the second resistor and the first signal output pin of the signal conversion chip are connected to the second signal output pin of the signal conversion chip in common;
the second end of the first resistor is grounded;
the second end of the second resistor and the first end of the third resistor are connected to the debugging driving module in common;
and the second end of the third resistor is connected with the audio driving module.
In one embodiment, the debug driver module includes:
an audio debugging chip;
the power input pin of the audio debugging chip is connected with the second power module;
the signal input pin of the audio debugging chip is connected with the signal conversion module;
and a debugging control pin of the audio debugging chip is connected with the audio equipment.
In one embodiment thereof, the switch module comprises a single pole double throw analog switch;
the fixed end of the single-pole double-throw analog switch is connected with the signal conversion module;
the first movable end of the single-pole double-throw analog switch is connected with the audio playing equipment;
and the second movable end of the single-pole double-throw analog switch is connected with the audio debugging equipment.
In one embodiment, the audio conversion circuit further comprises:
and the state display module is connected with the signal conversion module and is configured to display the serial port debugging state of the signal conversion module according to the second switch signal or display the audio playing state according to the first switch signal.
In one embodiment, the audio conversion circuit further comprises:
the first key module is connected with the audio driving module and is configured to generate a first key signal according to key information output by a user;
the audio driving module is used for outputting the audio playing signal to the audio equipment according to the first key signal after receiving the first key signal and the audio playing signal.
In one embodiment, the audio conversion circuit further comprises:
the second key module is connected with the audio driving module and is configured to generate a second key signal according to the key information output by the user;
and the debugging driving module is used for carrying out serial port debugging on the audio equipment according to the serial debugging signal after receiving the second key signal and the serial debugging signal.
A second aspect of the embodiments of the present application provides an audio conversion system with an audio serial port debugging function, including:
the audio conversion circuit as described above; and
the audio equipment is connected with the audio conversion circuit;
the audio conversion circuit is used for driving the audio equipment to play audio or debugging a serial port of the audio equipment.
The audio conversion circuit with the audio serial port debugging function can selectively switch and output a first switch signal or a second switch signal through the switch module, and when the switch module outputs the first switch signal, an audio playing signal is output to the audio equipment through the audio driving module so as to drive the audio equipment to realize the audio playing function; when the switch module outputs a second switch signal, serial port debugging is carried out on the audio equipment according to the serial debugging signal generated by the signal conversion module so as to ensure the data receiving and transmitting stability and compatibility of the audio equipment; therefore, the audio conversion circuit can compatibly drive the audio equipment to realize the audio playing and serial port debugging functions, the serial port debugging step of the audio equipment is simplified, and a user does not need to specially set an additional serial port switching equipment for the audio equipment to realize the serial port debugging; the audio conversion circuit in the embodiment of the application can compatibly realize the serial port debugging and audio playing driving functions, is high in expandability and compatibility, greatly reduces the serial port debugging cost and the audio driving cost of audio equipment, brings good use experience for users, ensures the communication safety and the audio playing quality of the audio equipment through the audio conversion circuit, and can be universally applied to different industrial technology fields.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an audio conversion circuit with an audio serial port debugging function according to an embodiment of the present application;
fig. 2 is another schematic structural diagram of an audio conversion circuit with an audio serial port debugging function according to an embodiment of the present application;
fig. 3 is a schematic circuit diagram of a signal conversion module according to an embodiment of the present application;
fig. 4 is a schematic circuit structure diagram of a debug driving module according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an audio conversion circuit with an audio serial port debugging function according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an audio conversion circuit with an audio serial port debugging function according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an audio conversion system with an audio serial port debugging function according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 present application and are not intended to limit the present application.
It should be noted first that the serial port debugging means: driving the audio equipment to send and receive data by using the communication signal so as to achieve the function of debugging the serial port; the audio equipment is debugged through the serial port, so that the communication safety and stability of the audio equipment can be guaranteed, and communication faults and data loss of the audio equipment are avoided; the working state of the audio equipment can be positioned by using serial port debugging, for example, whether the audio equipment can realize the audio amplification function is judged; therefore, the method for realizing the serial port debugging function of the audio equipment becomes a key step for ensuring the safe and stable operation of the audio equipment.
Referring to fig. 1, a schematic structural diagram of an audio conversion circuit 10 having an audio serial port debugging function according to an embodiment of the present application is provided, where the audio conversion circuit 10 is connected to an audio device 20, data interaction can be implemented between the audio conversion circuit 10 and the audio device 20, the audio device 20 can be driven by the audio conversion circuit 10 to implement an audio playing function or a serial port debugging function, compatibility is strong, a serial port debugging cost of the audio device 20 is greatly reduced, and operation is simple and convenient; for convenience of explanation, only the parts related to the present embodiment are shown, and detailed as follows:
the audio conversion circuit 10 includes: a switch module 101, a signal conversion module 102, an audio driver module 103, and a debug driver module 104.
The switch module 101 is configured to receive an audio signal output by the audio playing device 30 and output a first switch signal when detecting that the audio playing device 30 is accessed; or when detecting that the audio debugging device 40 is accessed, receiving an audio debugging signal output by the audio debugging device 40 and outputting a second switch signal.
The audio playing device 30 stores audio signals in advance, the audio signals include a large amount of audio data, and the audio signals output by the audio playing device 30 can drive the audio device 20 to realize an audio playing function, so as to meet the actual hearing requirement of a user; the audio playback device 30 has a fast audio information output function.
The switch module 101 can detect access of the audio playing device 30 or the audio debugging device 40, and the switch module 101 in this embodiment can be compatibly accessed to the audio playing device 30 or the audio debugging device 40 and implement functions of signal transmission and signal conversion, and when the switch module 101 establishes communication with the audio playing device 30, the switch module 101 outputs a first switch signal to drive the audio converting circuit 10 to implement an audio playing control function; when the switch module 101 establishes communication with the audio debugging device 40, the switch module 101 outputs a second switch signal to drive the audio conversion circuit 10 to realize the serial port debugging control function; therefore, the switch module 101 in this embodiment has higher control flexibility and compatibility, and different control functions are implemented for the audio device 20 according to the audio signal or the audio debugging signal, and the audio conversion circuit 10 performs signal transmission for the audio signal or the audio debugging signal, and is generally applicable to different industrial technical fields.
The signal conversion module 102 is connected to the switch module 101 and configured to convert the audio signal into an audio playing signal according to a first switch signal or convert the audio debugging signal into a serial debugging signal according to a second switch signal.
Optionally, the first switching signal is in a first level state, and the second switching signal is in a second level state; illustratively, the first level state is a high level state, and the second level state is a low level state; therefore, in the embodiment, the switching signal output by the switching module 101 can flexibly change the signal conversion process of the signal conversion module 102, and the control process is simple.
On one hand, when the switch module 101 outputs the first switch signal to the signal conversion module 102, the signal conversion module 102 can be waken up by the first switch signal to realize the audio information conversion function, and the audio playing signal output by the signal conversion module 102 contains complete audio information, so that the audio playing quality is improved; on the other hand, when the switch module 101 outputs the second switch signal to the signal conversion module 102, the signal conversion module 102 can be waken up to realize the communication information conversion function through the second switch signal, and the audio debugging signal is subjected to signal form conversion, and the audio debugging signal output by the signal conversion module 102 has a serial port communication test function, so that the serial port debugging process of the audio debugging device 40 is accelerated, and the compatibility is high; therefore, in this embodiment, the signal conversion module 102 can be driven by the first switch signal or the second switch signal to realize different signal conversion functions, the signal conversion module 102 has high control flexibility and controllability, and the audio conversion circuit 10 further realizes a serial port debugging control function or an audio playing control function according to actual requirements of users, so that the operation is simple and convenient.
The audio driving module 103 is connected to the signal conversion module 102 and the audio device 20, and configured to output an audio playing signal to the audio device 20.
The audio playing signal is used to drive the audio device 20 to play a preset sound signal, so as to meet the hearing requirement of the user, and the audio driving module 103 has higher audio playing control efficiency and response rate for the audio device 20.
When the signal conversion module 102 outputs the audio playing signal to the audio driving module 103, the audio driving module 103 can implement the signal transmission function; illustratively, the audio driving module 103 outputs an audio playing signal to an audio driving port of the audio device 20, and starts an audio playing function of the audio device 20 through the audio playing signal, so as to improve the audio control precision and control response speed of the audio device 20; the audio device 20 can realize an audio playing function in real time under the control of the audio driving module 103, so as to bring a better hearing effect to the user.
The debug driver module 104 is connected to the signal conversion module 102 and the audio device 20, and configured to perform serial port debugging on the audio device 20 according to the serial debug signal.
The debugging driving module 104 and the audio device 20 can implement a function of data interaction; illustratively, when the signal conversion module 102 outputs the serial port debugging signal to the debugging control end of the debugging driving module 104, the debugging driving module 104 can be driven by the serial port debugging signal to realize a serial port testing function, and after the audio device 20 is subjected to serial port debugging, the testing function of the communication state of the audio device 20 can be completed, so that the phenomena of communication faults and data transmission loss of the audio device 20 are avoided; therefore, the serial port debugging process of the audio device 20 can be accelerated through the serial port debugging signal in the embodiment, the communication stability and the data interaction safety of the audio device 20 are guaranteed, and the audio conversion circuit 10 can be applied to various different industrial technical fields to complete the serial port debugging function of the audio device 20.
In the structural schematic of the audio conversion circuit 10 shown in fig. 1, the switch module 101 can be compatibly connected to the audio playing device 30 or the audio debugging device 40, and then the switch module 101 outputs a corresponding switch signal, so that the audio conversion circuit 10 realizes different control functions for the audio device 20, the operation is simple and convenient, and the control steps are simplified; therefore, the audio conversion circuit 10 can realize the audio playing control or serial port debugging control function for the audio device 20 according to the type of the access device, and the flexibility is high; the audio conversion circuit 10 does not need to set a special serial port transmission interface for the audio device 20, and outputs an audio playing signal or a serial debugging signal through the signal conversion module 102, so that the effect of compatible control can be achieved, and the serial port debugging cost of the audio device 20 is greatly reduced; the circuit module structure of the audio conversion circuit 10 is very simplified, the audio playing control function of the audio device 20 can be quickly realized, good hearing experience is brought to users, and the audio conversion circuit 10 can be applied to various different industrial technical fields; the audio device 20 realizes a serial port debugging function or an audio playing function according to the actual requirements of the user, and brings great convenience to the operation of the user; therefore, the problems that the conventional technology is high in serial port debugging cost, low in compatibility and flexibility, complex in control steps in the voice playing process, low in practical value and difficult to universally apply, and great inconvenience is brought to the use of a user are effectively solved.
As an alternative embodiment, the audio debugging device 40 is a mobile terminal; exemplarily, the mobile terminal is a mobile phone or a tablet computer; furthermore, the audio debugging device 40 can output multifunctional communication information, and after signal conversion of the audio conversion circuit 10, the audio conversion circuit 10 can accurately implement a serial port debugging function for the audio device 20, and can be universally applied to various different industrial technical fields.
As an alternative embodiment, the audio device 20 is a sound box; the audio device 20 can realize an audio playing function, so that the audio conversion circuit 10 and the audio device 20 realize a multifunctional communication function, and serial port debugging is performed on the audio device 20, so that the communication safety and stability of the audio device 20 can be ensured, the audio playing control steps of the audio device 20 are simplified, and the audio playing quality of the audio device 20 is improved.
As an optional implementation manner, fig. 2 shows another structural schematic of the audio conversion circuit 10 with an audio serial port debugging function provided in this embodiment, and compared with the structural schematic of the audio conversion circuit 10 shown in fig. 1, the audio conversion circuit 10 in fig. 2 further includes: a first power module 105 and a second power module 106.
The first power module 105 is connected to the signal conversion module 102, and configured to output a first power signal and output the first power signal to the signal conversion module 102.
The first power module 105 can supply power to the signal conversion module 102 to ensure a stable signal conversion function of the signal conversion module 102; when the first power module 104 generates the first power signal, the voltage of the first power signal can completely meet the rated voltage requirement of the signal conversion module 102, the signal conversion module 102 is connected to the first power signal to implement a safe power-on function, and the signal conversion module 102 can convert the signal according to the actual requirement of the user, thereby improving the signal conversion precision and the transmission efficiency of the audio conversion circuit 10.
The second power module 106 is connected to the audio driver module 103 and the debug driver module 104, and configured to output a second power signal and output the second power signal to the audio driver module 103 and the debug driver module 104.
In this embodiment, the second power module 106 can perform power-on operations on the audio driver module 103 and the debug driver module 104, so as to implement audio play control or serial port debugging functions on the audio device 20, thereby improving the working stability and safety of the audio conversion circuit 10; specifically, the voltage of the second power signal output by the second power module 106 is kept consistent with the rated voltage of the circuit module (including the audio driver module 103 and the debug driver module 104) inside the audio conversion circuit 10, so that the audio driver module 103 and the debug driver module 104 can be powered on quickly and safely through the second power signal, the audio conversion circuit 10 can perform audio play control and serial port debugging functions on the audio device 20 in real time, and the audio conversion circuit 10 has higher working stability and reliability.
As an alternative embodiment, the voltage of the first power supply signal is different from the voltage of the second power supply signal.
Therefore, in the present embodiment, the first power module 105 and the second power module 106 are combined to respectively power up each circuit module in the audio conversion circuit 10, so that each circuit module can access rated electric energy, and the power supply safety of the audio conversion circuit 10 is improved; further, the audio conversion circuit 10 can maintain a stable operation state in various industrial and technical fields, and the control accuracy and the control response speed of the audio device 20 are improved.
As an alternative implementation, fig. 3 shows a schematic circuit structure of the signal conversion module 102 provided in this embodiment, please refer to fig. 3, where the signal conversion module 102 includes: the circuit comprises a signal conversion chip U1, a first capacitor C1, a first resistor R1, a second resistor R2 and a third resistor R3.
The ground pin of the signal conversion chip U1 is grounded to GND.
The first switch driving pin COM1 of the signal conversion chip U1 is used for accessing the audio playing device 30, and the signal conversion chip U1 can receive the audio signal output by the audio playing device 30.
The second switch driving pin COM2 of the signal conversion chip U1 is used for accessing the audio debugging device 40, and the signal conversion chip U1 can receive the audio debugging signal output by the audio debugging device 40.
Therefore, the signal conversion chip U1 ensures the transmission compatibility and accuracy of the audio signal and the audio debugging signal, and avoids the occurrence of signal transmission errors.
A power input pin VIN of the signal conversion chip U1 and a first end of a first capacitor C1 are commonly connected to the first power module 106, and a second end of the first capacitor C1 is grounded to GND; the power-on function of the signal conversion chip U1 can be realized through the first power signal output by the first power module 106, the first capacitor C1 can ensure the transmission stability and the anti-interference performance of the first power signal, and the signal conversion chip U1 can be always kept in a safe working state.
The first terminal of the first resistor R1, the first terminal of the second resistor R2, and the first signal output pin IN1 of the signal conversion chip U1 are commonly connected to the second signal output pin IN2 of the signal conversion chip U1.
The second terminal of the first resistor R1 is connected to ground GND.
The second terminal of the second resistor R2 and the first terminal of the third resistor R3 are connected to the debug driving module 104, and when the signal conversion chip U1 converts the audio debug signal into the serial debug signal according to the first switch signal, the signal conversion chip U1 can output the serial debug signal to the debug driving module 104.
The second end of the third resistor R3 is connected with the audio driving module 103; when the signal conversion chip U1 converts the audio signal into the audio playing signal according to the second switching signal, the signal conversion chip U1 can output the audio playing signal to the audio driving module 103 to drive the audio playing function of the audio device 20, thereby improving the signal transmission efficiency.
Illustratively, the signal conversion chip U1 has a model number: UM 4717; in this embodiment, a compatible signal conversion function is realized by the signal conversion chip U1, the working state of the signal conversion chip U1 can be changed in real time by the first switch signal or the second switch signal, and then the signal output by the signal conversion chip U1 can drive the audio device 20 to realize an audio playing or serial port debugging function, so that the signal conversion rate of the audio conversion circuit 10 is improved; the signal conversion circuit U1 has a relatively simplified circuit structure, reducing the control cost of the audio device 20.
As an optional implementation manner, fig. 4 shows a schematic circuit structure of the debug driving module 104 provided in this embodiment, please refer to fig. 4, where the debug driving module 104 includes: the audio debugging chip U4; a power supply input pin VIN of the audio debugging chip U4 is connected with the second power supply module 106; and rated power-on is carried out on the audio debugging chip U4 through the second power supply signal so as to guarantee the working stability of the audio debugging chip U4.
A signal input pin IN of the audio debugging chip U4 is connected with the signal conversion module 102; the serial debug signal is further output to the audio debug chip U4 through the signal conversion module 102, so that the audio debug chip U4 enters an operating state.
The debugging control pin of the audio debugging chip U4 is connected with the audio equipment 20; the audio debugging chip U4 can maintain compatible communication functions with the audio device 20.
Illustratively, the model of the audio debugging chip U4 is: SD-53261-6P; the audio debugging chip U4 analyzes the communication information of the serial debugging signal, and then a good and compatible data interaction function is realized between the audio debugging chip U4 and the audio device 20, so as to complete the serial port debugging process of the audio device 20, the audio device 20 can maintain a safe and stable communication function, and the phenomenon of data loss of the audio device 20 in the application process is avoided; therefore, the audio debugging chip U4 of the embodiment can implement a fast and flexible serial port debugging function for the audio device 20, and is simple and convenient to operate.
As an optional implementation manner, the audio driver module 103 includes an audio driver chip, wherein a power input pin of the audio driver chip is connected to the second power module 106, and a second power signal output by the second power module 106 can perform rated power-on the audio driver chip, so that the audio driver chip can maintain a stable signal transmission function; a signal input pin of the audio driving chip is connected with the signal conversion module 102, and then the signal conversion module 102 outputs an audio playing signal to the audio driving chip; the audio output module of the audio driver chip is connected to the audio device 20, and further outputs the audio playing signal to the audio device 20 through the audio driver chip in a compatible manner; the audio driving chip has high signal transmission stability and compatibility.
Illustratively, the models of the audio driver chip are: SGM8910 or CP 2296; therefore, the audio device 20 can maintain a good audio playing function through the audio driver chip, and the audio playing signal can be prevented from being interfered by noise in the transmission process through the audio driver chip; the audio playing signal transmitted by the audio driving chip has higher precision and accuracy, the application range is wider, the audio content played by the audio equipment 20 has higher quality, the audio driving control function of the audio conversion circuit 10 is improved, and better hearing experience is brought to users.
As an alternative embodiment, the switch module 101 includes a single-pole double-throw analog switch; the single-pole double-throw analog switch can be used for switching on different power supply loops respectively so as to realize corresponding signal transmission functions respectively.
The fixed end of the single-pole double-throw analog switch is connected with the signal conversion module 102, and then the single-pole double-throw analog switch can output signals to the signal conversion module 102 in real time, so that the control is simple and convenient.
The first movable end of the single-pole double-throw analog switch is connected with the audio playing device 30.
The second movable end of the single-pole double-throw analog switch is connected with the audio debugging device 40.
Therefore, in this embodiment, the single-pole double-throw analog switch outputs the first switch signal or the second switch signal by switching the conduction state between the fixed terminal and any one of the moving terminals (the first moving terminal or the second moving terminal), and the audio conversion circuit 10 realizes an accurate circuit control function for the audio device 20 under the driving of the first switch signal or the second switch signal, so as to meet the circuit control requirement of the user; illustratively, when the single-pole double-throw analog switch switches on the first moving end and the fixed end, the power supply loop between the audio playing device 30 and the audio device 20 is switched on, and the audio device 20 can be driven by the audio conversion circuit 10 to realize an audio playing function; when the single-pole double-throw analog switch switches on the second moving end and the fixed end, the power supply loop between the audio debugging device 40 and the audio device 20 is switched on, and the audio device 20 can be driven to perform the serial port debugging function through the audio conversion circuit 10, so that the audio conversion circuit 10 in this embodiment has a relatively flexible control function and relatively high control efficiency.
As an alternative implementation, fig. 5 shows another structural schematic of the audio conversion circuit 10 provided in this embodiment, and compared with the structural schematic of the audio conversion circuit 10 in fig. 1, the audio conversion circuit 10 in fig. 5 further includes: a status display module 107.
The state display module 107 is connected to the signal conversion module 102, and configured to display a serial port debugging state of the signal conversion module 102 according to the second switch signal, or display an audio playing state according to the first switch signal.
Optionally, the state display module 107 includes at least one light emitting diode, and then the actual working state of the audio conversion circuit 10 can be displayed in real time through the optical signal emitted by the state display module 107, so that the user can more intuitively obtain the serial port debugging process and the audio playing process of the audio device 20, the audio conversion circuit 10 has higher man-machine interaction performance, and the control stability and the control security of the audio device 20 are improved.
Therefore, the present embodiment can visually display the actual signal conversion function of the signal conversion module 102 through the state display module 107, and the audio conversion circuit 10 has higher physical security and reliability; illustratively, when the signal conversion module 102 is in the serial port debugging state, the signal conversion module 102 outputs a serial debugging signal to drive the audio device 20 to implement the serial port debugging function; when the signal conversion module 102 is in the audio playing state, the signal conversion module 102 outputs an audio playing signal to drive the audio device 20 to implement the audio playing function; therefore, the user can obtain the signal conversion state of the signal conversion module 102 in real time according to the state display result of the state display module 107, and a better use experience is brought to the user.
As an alternative implementation, fig. 6 shows another structural schematic of the audio conversion circuit 10 provided in this embodiment, and compared with the structural schematic of the audio conversion circuit 10 in fig. 1, the audio conversion circuit 10 in fig. 6 includes: a first key module 108 and a second key module 109;
the first key module 108 is connected to the audio driver module 103 and configured to generate a first key signal according to key information output by a user.
Wherein, the first key module 108 can receive the key command of the user, and realize the signal conversion,
the first key signal output by the first key module 108 contains the circuit function selection information of the user, and thus the working state of the audio conversion circuit 10 can be changed in real time through the first key signal.
The audio driving module 103 is configured to output the audio playing signal to the audio device 20 according to the first key signal after receiving the first key signal and the audio playing signal.
Only when the audio driving module 103 receives the first key signal and the audio playing signal at the same time, the audio driving module 103 can implement the audio driving function for the audio device 20, so that the control response rate and the control response precision of the audio conversion circuit 10 for the audio device 20 are improved; therefore, the audio driving module 103 in this embodiment can implement a high-precision audio playing control function for the audio device 20 according to the key information of the user and the device access condition of the switch module 101, so as to meet the hearing requirement of the user; therefore, the audio driver module 103 in this embodiment has higher control accuracy and control efficiency, and brings a good use experience to the user.
The second key module 109 is connected to the debug driving module 104 and configured to generate a second key signal according to the key information output by the user.
The second key module 109 may receive key information of a user and implement a signal conversion function, and information interaction is implemented between the second key module 109 and the debug driving module 104, and the operating state of the debug driving module 104 may be changed in real time through the second key signal, so that the debug driving module 104 implements a corresponding circuit function according to the key information of the user.
The debug driving module 104 is configured to perform serial port debugging on the audio device 20 according to the serial debug signal after receiving the second key signal and the serial debug signal.
Wherein, when the second key module 109 outputs the second key signal to the debug driving module 104, and the signal conversion module 102 outputs the serial debug signal to the debug driving module 104, it indicates that the audio conversion circuit 10 accesses the audio debugging device 40, the serial port debug control function of the debug driving module 104 can be awakened through the second key signal, the debug driving module 104 starts the serial port debug function of the audio debugging device 40, so as to comprehensively ensure the communication security and compatibility of the audio device 20, and further the audio conversion circuit 10 has higher adjustability and flexibility for the serial port debug process of the audio device 20, the audio device 20 can quickly complete the serial port debug function, and the debug driving module 104 has higher serial port debug control accuracy for the audio device 20.
Therefore, in this embodiment, the first key module 108 and the second key module 109 are combined to respectively control the audio playing function and the serial port debugging function of the audio device 20, and the audio conversion circuit 10 performs adaptive control on the audio device 20 according to the actual circuit function requirement of the user, thereby ensuring the control stability and the control response speed of the audio conversion circuit 10.
Fig. 7 shows a schematic structure of an audio conversion system 70 with an audio serial port debugging function according to the present embodiment, please refer to fig. 7, where the audio conversion system 70 includes the audio conversion circuit 10 and the audio device 20, and the audio device 20 is connected to the audio conversion circuit 10; the audio conversion circuit 10 is configured to drive the audio device 20 to play audio, or debug a serial port of the audio device 20; therefore, the audio conversion circuit 10 can realize the multifunctional control function for the audio device 20, the control steps are simple and convenient, the audio device 20 can be compatible with the audio playing or serial port debugging function, the serial port debugging cost for the audio device 20 is greatly reduced, the audio playing control steps for the audio device 20 are simplified, the expandability is high, and great use experience is brought to a user.
Therefore, the audio conversion system 70 in this embodiment can implement an audio playing function or a serial port debugging function according to the actual circuit function requirements of the user, and the audio playing implemented by the audio device 20 has higher quality and stability, the communication stability and the communication security of the audio device 20 are ensured by the serial port debugging, and the audio control function of the audio conversion system 70 has good compatibility and can be universally applied to various different industrial technical fields; therefore, the audio conversion system 70 does not need to be specially provided with a serial port switching device to realize the serial port debugging function, the serial port debugging cost is greatly reduced, the audio playing control function realized by the audio conversion system 70 can bring better hearing experience to users, the manufacturing cost and the application cost of the audio conversion system 70 are saved, and the practical value is higher; the problem that the cost of serial port debugging of an audio conversion system in the traditional technology is too high, the steps of audio control are complex, the compatibility and the flexibility are low, the diversified circuit control requirements of a user are difficult to meet, and great inconvenience is brought to the user is effectively solved.
In summary, the audio conversion circuit 10 in the embodiment of the present application has a relatively simplified circuit module structure, is simple and convenient to operate, realizes an accurate serial port debugging function or an audio playing control function for the audio device 20, and has strong compatibility; the method has positive promotion effect on the improvement of the audio playing quality, and generates important practical production value.
Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.
Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.
Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An audio conversion circuit with audio serial port debugging function is connected with audio equipment, its characterized in that, audio conversion circuit includes:
the audio player is configured to receive an audio signal output by the audio player and output a first switch signal when the audio player is detected to be accessed; or when detecting that the audio debugging equipment is accessed, the switch module receives the audio debugging signal output by the audio debugging equipment and outputs a second switch signal;
the signal conversion module is connected with the switch module and is configured to convert the audio signal into an audio playing signal according to the first switch signal or convert the audio debugging signal into a serial debugging signal according to the second switch signal;
the audio driving module is connected with the signal conversion module and the audio equipment and is configured to output the audio playing signal to the audio equipment; and
and the debugging driving module is connected with the signal conversion module and the audio equipment and is configured to carry out serial port debugging on the audio equipment according to the serial debugging signal.
2. The audio conversion circuit of claim 1, further comprising:
a first power module connected to the signal conversion module, configured to output a first power signal, and output the first power signal to the signal conversion module; and
and the second power supply module is connected with the audio driving module and the debugging driving module, is configured to output a second power supply signal, and outputs the second power supply signal to the audio driving module and the debugging driving module.
3. The audio conversion circuit of claim 2, wherein the voltage of the first power signal is different from the voltage of the second power signal.
4. The audio conversion circuit of claim 2, wherein the signal conversion module comprises:
the circuit comprises a signal conversion chip, a first capacitor, a first resistor, a second resistor and a third resistor;
the grounding pin of the signal conversion chip is grounded;
the first switch driving pin of the signal conversion chip is used for accessing the audio playing device;
the second switch driving pin of the signal conversion chip is used for accessing the audio debugging equipment;
a power input pin of the signal conversion chip and a first end of the first capacitor are connected to the first power module in a shared mode, and a second end of the first capacitor is grounded;
the first end of the first resistor, the first end of the second resistor and the first signal output pin of the signal conversion chip are connected to the second signal output pin of the signal conversion chip in common;
the second end of the first resistor is grounded;
the second end of the second resistor and the first end of the third resistor are connected to the debugging driving module in common;
and the second end of the third resistor is connected with the audio driving module.
5. The audio conversion circuit of claim 2, wherein the debug driver module comprises:
an audio debugging chip;
the power input pin of the audio debugging chip is connected with the second power module;
the signal input pin of the audio debugging chip is connected with the signal conversion module;
and a debugging control pin of the audio debugging chip is connected with the audio equipment.
6. The audio conversion circuit of claim 1, wherein the switch module comprises a single pole double throw analog switch;
the fixed end of the single-pole double-throw analog switch is connected with the signal conversion module;
the first movable end of the single-pole double-throw analog switch is connected with the audio playing equipment;
and the second movable end of the single-pole double-throw analog switch is connected with the audio debugging equipment.
7. The audio conversion circuit of claim 1, further comprising:
and the state display module is connected with the signal conversion module and is configured to display the serial port debugging state of the signal conversion module according to the second switch signal or display the audio playing state according to the first switch signal.
8. The audio conversion circuit of claim 1, further comprising:
the first key module is connected with the audio driving module and is configured to generate a first key signal according to key information output by a user;
the audio driving module is used for outputting the audio playing signal to the audio equipment according to the first key signal after receiving the first key signal and the audio playing signal.
9. The audio conversion circuit of claim 1, further comprising:
the second key module is connected with the debugging driving module and is configured to generate a second key signal according to key information output by a user;
and the debugging driving module is used for carrying out serial port debugging on the audio equipment according to the serial debugging signal after receiving the second key signal and the serial debugging signal.
10. The utility model provides an audio frequency conversion system with audio frequency serial ports debugging function which characterized in that includes:
an audio conversion circuit as claimed in any one of claims 1 to 9; and
the audio equipment is connected with the audio conversion circuit;
the audio conversion circuit is used for driving the audio equipment to play audio or debugging a serial port of the audio equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488774.8U CN210491179U (en) | 2019-09-06 | 2019-09-06 | Audio conversion circuit with audio serial port debugging function and audio conversion system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488774.8U CN210491179U (en) | 2019-09-06 | 2019-09-06 | Audio conversion circuit with audio serial port debugging function and audio conversion system |
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| CN210491179U true CN210491179U (en) | 2020-05-08 |
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| CN201921488774.8U Active CN210491179U (en) | 2019-09-06 | 2019-09-06 | Audio conversion circuit with audio serial port debugging function and audio conversion system |
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| Country | Link |
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