CN215300901U - Electronic switch circuit and electronic tube sound card based on same - Google Patents
Electronic switch circuit and electronic tube sound card based on same Download PDFInfo
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- CN215300901U CN215300901U CN202121681981.2U CN202121681981U CN215300901U CN 215300901 U CN215300901 U CN 215300901U CN 202121681981 U CN202121681981 U CN 202121681981U CN 215300901 U CN215300901 U CN 215300901U
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- electronic switch
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- detection module
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Abstract
The utility model discloses an electronic switch circuit reaches electron tube sound card based on this circuit, including a left side, right track electronic switch, audio signal source and a speaker interface end, be provided with the silence circuit in the speaker interface end, the silence circuit is provided with interface detection module, be provided with earphone socket and detecting element in interface detection module, interface detection module links to each other with a main control unit who is used for exporting audio equipment to connect effectual control signal, main control unit links to each other with the control unit and audio and video processor respectively, main control unit is used for receiving audio equipment and connects effectual signal, the switching on or the shutoff of control built-in speaker. The utility model discloses a sound equipment seamless switching under different mode, built-in speaker mute control when realizing the multimedia interface mode through the audio video treater has realized that sound equipment, sound card can carry out the function of effective mute control to its built-in speaker according to its mode.
Description
Technical Field
The utility model relates to a switch circuit and sound card especially relate to an electronic switch circuit and electron tube sound card based on this circuit.
Background
In the prior art, the sound equipment is provided with an earphone interface or a built-in loudspeaker, particularly the portable sound equipment, when the portable sound equipment uses the built-in loudspeaker, if the external equipment is inserted into the external interface, the sound equipment can automatically close the built-in loudspeaker, and an audio signal is sent into the earphone from the earphone interface instead. However, in the portable audio equipment of the prior art, the defect that the built-in loudspeaker cannot be effectively muted when the working mode is switched exists, and the problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic switch circuit and based on electron tube sound card of this circuit solve the shortcoming regret that prior art exists.
The utility model discloses a following technical scheme realizes:
an electronic switch circuit comprises a left channel electronic switch and a right channel electronic switch, and is characterized in that the left channel electronic switch and the right channel electronic switch are respectively connected with an audio signal source and a loudspeaker interface end, the electronic switch circuit further comprises a control circuit, the control circuit is used for switching on or off the left channel electronic switch and the right channel electronic switch, a mute circuit is arranged in the loudspeaker interface end, the mute circuit is provided with an interface detection module, an earphone socket and a detection unit are arranged in the interface detection module, the interface detection module is used for detecting whether an external audio device exists or not, the interface detection module is connected with a main controller used for outputting an audio device connection effective signal, the main controller is respectively connected with the control unit and an audio and video processor, and the main controller is used for receiving the audio device connection effective signal, and controlling the on or off of the built-in loudspeaker.
Further, the main controller is an MCU microcontroller or a single chip microcomputer.
A sound card of an electron tube is characterized in that an electronic switch circuit is arranged in the sound card of the electron tube.
The utility model discloses the beneficial technological effect who possesses is: the sound equipment is seamlessly switched under different working modes by setting a loudspeaker mute switching function for the sound equipment, and the sound equipment and the sound card can effectively mute and control the built-in loudspeaker according to the working modes by realizing the mute control of the built-in loudspeaker in the multimedia interface mode through the audio and video processor.
Drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Fig. 2 is a schematic block circuit diagram of a speaker interface side muting circuit.
Detailed Description
The following description of the embodiments will help the public to understand the present invention, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any changes in the definition of the components or technical features and/or in the form of the overall structure rather than substantial changes should be considered as the protection scope defined by the technical solution of the present invention.
Such as the electronic switching circuit and the valve sound card shown in fig. 1 and 2, an electronic switching circuit is provided in the valve sound card. The electronic switch circuit comprises a left channel electronic switch and a right channel electronic switch, the left channel electronic switch and the right channel electronic switch are respectively connected with an audio signal source and a loudspeaker interface end, the electronic switch circuit also comprises a control circuit, the control circuit is used for controlling the closing or the closing of the left channel electronic switch and the right channel electronic switch, a mute circuit is arranged in the loudspeaker interface end, the mute circuit is provided with an interface detection module, an earphone socket and a detection unit are arranged in the interface detection module, the interface detection module is used for detecting whether an external audio device exists or not, the interface detection module is connected with a main controller used for outputting effective control signals for connecting the audio device, in the embodiment, the main controller is an MCU microcontroller or a single chip microcomputer, the main controller is respectively connected with the control unit and an audio and video processor, and the audio and video processor is used for establishing data interaction with a memory according to the corresponding relation of the main controller and a shared memory created by the electronic tube sound card, and/or audio and video data are sent to the main controller through data interaction, and the main controller is used for receiving effective signals of audio equipment connection and controlling the on or off of the built-in loudspeaker. The utility model discloses can make switching speaker's silence function when audio equipment plays, real-time synchronous broadcast and silence are synchronous, can not have the delay, realize the built-in field sound ware silence control of multimedia interface mode through audio video processor, user experience has been increased, simultaneously, can set up the audio information who gathers left and right sound simultaneously under main control unit's effect, utilize electronic switch synchronous broadcast audio frequency on a plurality of screens, and can switch built-in speaker at any time and switch on or turn-off.
Of course, the present invention can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (3)
1. An electronic switch circuit comprises a left channel electronic switch and a right channel electronic switch, and is characterized in that the left channel electronic switch and the right channel electronic switch are respectively connected with an audio signal source and a loudspeaker interface end, the electronic switch circuit further comprises a control circuit, the control circuit is used for switching on or off the left channel electronic switch and the right channel electronic switch, a mute circuit is arranged in the loudspeaker interface end, the mute circuit is provided with an interface detection module, an earphone socket and a detection unit are arranged in the interface detection module, the interface detection module is used for detecting whether an external audio device exists or not, the interface detection module is connected with a main controller used for outputting an audio device connection effective signal, the main controller is respectively connected with the control unit and an audio and video processor, and the main controller is used for receiving the audio device connection effective signal, and controlling the on or off of the built-in loudspeaker.
2. The electronic switching circuit of claim 1 wherein the master controller is an MCU microcontroller or a single chip microcomputer.
3. A valve sound card, characterized in that an electronic switching circuit as claimed in claim 1 is provided in the valve sound card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681981.2U CN215300901U (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681981.2U CN215300901U (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215300901U true CN215300901U (en) | 2021-12-24 |
Family
ID=79523918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681981.2U Active CN215300901U (en) | 2021-07-22 | 2021-07-22 | Electronic switch circuit and electronic tube sound card based on same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215300901U (en) |
-
2021
- 2021-07-22 CN CN202121681981.2U patent/CN215300901U/en active Active
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