CN211089779U - Audio output system for television - Google Patents
Audio output system for television Download PDFInfo
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- CN211089779U CN211089779U CN202020169676.4U CN202020169676U CN211089779U CN 211089779 U CN211089779 U CN 211089779U CN 202020169676 U CN202020169676 U CN 202020169676U CN 211089779 U CN211089779 U CN 211089779U
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Abstract
An audio output system for a television comprises an earphone charging box and at least one set of wireless earphones, wherein the earphone charging box comprises a first circuit mainboard, an audio input port and a power supply interface, the audio input port and the power supply interface are connected to the first circuit mainboard, the power supply interface is used for being externally connected with a power supply adapter, the audio input port is used for being connected with the television to input an audio signal, an electromagnetic wave transmitting circuit is arranged on the first circuit mainboard, and the audio signal input to the audio input port is converted into an electromagnetic wave signal through the electromagnetic wave transmitting circuit; the wireless earphone comprises a second circuit main board, a loudspeaker and a battery, wherein the loudspeaker and the battery are connected to the second circuit main board, an electromagnetic wave receiving circuit is arranged on the second circuit main board and used for receiving and processing electromagnetic wave signals transmitted by an electromagnetic wave transmitting circuit, and then the processed signals are transmitted to the loudspeaker to be sounded. The utility model discloses a TV is watched to wireless earphone, has broken away from the constraint of earphone cord, easy operation, and other personnel, convenient and practical can not influenced to TV sound.
Description
Technical Field
The utility model relates to an audio processing technology field, concretely relates to audio output system for TV set.
Background
The existing television generally pronounces through an external sound, a user is easy to disturb rest of other people when watching a television program, for example, when watching the television, children at home or other people have a rest, the sound of the television is easy to wake up the people.
At present, a bluetooth headset connected with a television in a communication mode is available in the market, the wireless transmission mode of the bluetooth headset is free from the constraint of a headset wire, and the bluetooth headset is more and more popular with consumers due to the advantages of simple operation, convenient use and the like. However, the bluetooth headset also has the disadvantages of sound and caption asynchronism due to lagging pronunciation, large distortion, poor using effect and the like, and most of televisions do not support bluetooth connection, so that the headset for the televisions cannot be widely applied.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned problem that prior art exists, provide a low time delay, transmission rate is high, the distortion is little, the low power dissipation, and can realize the audio output system that is used for the TV set of a pair of many.
In order to achieve the above object, the utility model provides an audio output system for TV set, including the earphone box and at least one set of wireless earphone that charges, wherein:
the earphone charging box comprises a first circuit main board, an audio input port and a power interface, wherein the audio input port and the power interface are connected to the first circuit main board, the power interface is used for being connected with an external power adapter, the audio input port is used for being connected with a television to input audio signals, an electromagnetic wave transmitting circuit is arranged on the first circuit main board, and the audio signals input to the audio input port are converted into electromagnetic wave signals through the electromagnetic wave transmitting circuit;
the wireless earphone comprises a second circuit main board, a loudspeaker and a battery, wherein the loudspeaker and the battery are connected to the second circuit main board, an electromagnetic wave receiving circuit is arranged on the second circuit main board and used for receiving and processing electromagnetic wave signals transmitted by an electromagnetic wave transmitting circuit, and then the processed signals are transmitted to the loudspeaker to produce sound.
As the utility model discloses a further preferred technical scheme, still be equipped with on the earphone box of charging and be used for accomodating the wireless earphone hold the groove of charging, charge the bearing inslot be equipped with first circuit mainboard electric connection's the thimble that charges, be equipped with on the shell of wireless earphone with charge thimble complex switching copper post that charges, charge switching copper post electric connection in second circuit mainboard, charge the thimble with it is right to charge switching copper post contact the battery charges.
As a further preferred technical scheme of the utility model, electromagnetic wave transmitting circuit includes first power amplifier, first wireless radio frequency module, first wireless 2.4G chip, first audio frequency processing module, first MCU chip and first antenna, first audio frequency processing module with audio frequency input port connection is inputed to by the TV set the audio signal of audio frequency input port passes through in proper order first audio frequency processing module, first wireless 2.4G chip, first wireless radio frequency module and first power amplifier are handled the back and are converted electromagnetic wave signal and are launched by first antenna, first wireless 2.4G chip is controlled by first MCU chip.
As a further preferred technical scheme of the utility model, be equipped with first charge indicator and first flash memory on the first circuit mainboard, first charge indicator is controlled by first MCU chip, first flash memory connect in first wireless 2.4G chip.
As a further preferred technical scheme of the utility model, the electromagnetic wave receiving circuit includes second power amplifier, the wireless radio frequency module of second, the wireless 2.4G chip of second, second audio frequency processing module, second MCU chip and second antenna, the second antenna is used for receiving the electromagnetic wave signal of electromagnetic wave transmitting circuit transmission, the second antenna passes through the electromagnetic wave signal of receiving in proper order second power amplifier, the wireless 2.4G chip of second and the processing module of second audio frequency transmit to loudspeaker pronounce, the wireless 2.4G chip of second is controlled by the second MCU chip.
As a further preferred technical scheme of the utility model, be equipped with electric quantity pilot lamp, communication synchronization pilot lamp, thumb wheel switch and second flash memory on the second circuit mainboard, electric quantity pilot lamp, communication synchronization pilot lamp, thumb wheel switch all are controlled by the second MCU chip, the second flash memory connect in the wireless 2.4G chip of second.
As a further preferred technical solution of the present invention, the first circuit board is further provided with a first pipeline circuit, and the first pipeline circuit is connected to an external power adapter through the power interface; and a second pipeline circuit is also arranged on the second circuit main board, and the battery is connected to the second pipeline circuit.
The utility model discloses an audio output system for TV set, audio conversion who charges the box through the earphone is electromagnetic wave signal transmission for wireless earphone with the TV set, watch TV through wireless earphone, the constraint of earphone cord has been got rid of, and the operation is simple, TV sound can not influence other personnel, and this system has low time delay, transmission rate is high, the distortion is little, the low power dissipation, can realize one to many (the box transmission is charged to an earphone, a plurality of wireless earphones receive electromagnetic wave signal simultaneously), wear characteristics such as comfortable, convenience and practicality, receive masses of users' welcome deeply.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of an application scenario of an example provided by the audio output system for a television according to the present invention;
fig. 2 is a system block diagram of an earphone charging box;
fig. 3 is a system block diagram of a wireless headset.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
As shown in fig. 1 to fig. 3, the utility model provides an audio output system for TV set, it includes that the earphone charges the box and one set at least wireless earphone, and TV set output audio frequency charges the box to the earphone in the use to charge the box by the earphone and convert radio magnetic wave signalling and pronounce for wireless earphone, the earphone charges the box simultaneously and still can charge wireless earphone, and concrete scheme is as follows:
the earphone charging box comprises a first circuit main board, an audio input port and a power interface, wherein the audio input port and the power interface are connected to the first circuit main board, the power interface is used for being externally connected with a power adapter, the power adapter is used for supplying power to the earphone charging box, the audio input port is used for being connected with an audio output hole of a television through an audio switching cable so as to input an audio signal of the television, an electromagnetic wave transmitting circuit is arranged on the first circuit main board, and the audio signal input to the audio input port is converted into an electromagnetic wave signal through the electromagnetic wave transmitting circuit;
the wireless earphone comprises a second circuit main board, a loudspeaker and a battery, wherein the loudspeaker and the battery are connected to the second circuit main board, an electromagnetic wave receiving circuit is arranged on the second circuit main board and used for receiving and processing electromagnetic wave signals transmitted by an electromagnetic wave transmitting circuit, and then the processed signals are transmitted to the loudspeaker to produce sound.
The earphone charging box is further provided with a charging support groove for containing the wireless earphone, a charging thimble electrically connected with the first circuit board is arranged in the charging support groove, a charging switching copper column matched with the charging thimble is arranged on the shell of the wireless earphone, the charging switching copper column is electrically connected with the second circuit board, and the charging thimble is in contact with the charging switching copper column to charge the battery.
In a specific implementation, the electromagnetic wave transmitting circuit includes a first power amplifier, a first wireless radio frequency module, a first wireless 2.4G chip, a first audio processing module, a first MCU chip and a first antenna, the first audio processing module is connected to the audio input port, an audio signal input to the audio input port by the television is processed by the first audio processing module, the first wireless 2.4G chip, the first wireless radio frequency module and the first power amplifier in sequence, and then converted into an electromagnetic wave signal, and transmitted by the first antenna, and the first wireless 2.4G chip is controlled by the first MCU chip.
Preferably, be equipped with first charge indicator and first flash memory on the first circuit mainboard, first charge indicator is controlled by first MCU chip, first flash memory connect in first wireless 2.4G chip, when wireless earphone place in charge on the box, first MCU chip controls first charge indicator work according to the condition of charging, and first flash memory is used for saving first wireless 2.4G chip's relevant procedure and parameter.
Specifically, the electromagnetic wave receiving circuit comprises a second power amplifier, a second wireless radio frequency module, a second wireless 2.4G chip, a second audio processing module, a second MCU chip and a second antenna, wherein the second antenna is used for receiving the electromagnetic wave signals transmitted by the electromagnetic wave transmitting circuit, the second antenna sequentially passes through the second power amplifier, the second wireless radio frequency module, the second wireless 2.4G chip and the second audio processing module and then transmits the electromagnetic wave signals to the loudspeaker for sounding, and the second wireless 2.4G chip is controlled by the second MCU chip.
Preferably, be equipped with electric quantity pilot lamp, communication synchronization pilot lamp, thumb wheel switch and second flash memory on the second circuit mainboard, electric quantity pilot lamp, communication synchronization pilot lamp, thumb wheel switch all are controlled by the second MCU chip, the second flash memory connect in the wireless 2.4G chip of second, electric quantity pilot lamp are used for showing the electric quantity condition of battery, communication synchronization pilot lamp is used for showing the communication state of earphone charging box and wireless earphone spare, and the thumb wheel switch is used for controlling the volume of wireless earphone, and the second flash memory is used for storing the relevant procedure and the parameter of the wireless 2.4G chip of second.
Further preferably, the models of the first and second wireless 2.4G chips are 2.4G audio transmission chip AWA8920, and the models of the first and second power amplifiers are PAM 8908.
In specific implementation, a first pipeline circuit is further arranged on the first circuit main board and connected with an external power adapter through the power interface; and a second pipeline circuit is also arranged on the second circuit main board, and the battery is connected to the second pipeline circuit.
The utility model discloses an audio output system for TV set, audio conversion who charges the box through the earphone is electromagnetic wave signal transmission for wireless earphone with the TV set, watch TV through wireless earphone, the constraint of earphone cord has been got rid of, and the operation is simple, TV sound can not influence other personnel, this system has low time delay, transmission rate is high, the distortion is little, the low power dissipation, can realize one to many (the transmission of earphone charging box, electromagnetic wave signal is received simultaneously to a plurality of wireless earphones), wear characteristics such as comfortable, and is convenient and practical, receive masses of users' welcome deeply.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (7)
1. An audio output system for a television, comprising a headphone charging box and at least one set of wireless headphones, wherein:
the earphone charging box comprises a first circuit main board, an audio input port and a power interface, wherein the audio input port and the power interface are connected to the first circuit main board, the power interface is used for being connected with an external power adapter, the audio input port is used for being connected with a television to input audio signals, an electromagnetic wave transmitting circuit is arranged on the first circuit main board, and the audio signals input to the audio input port are converted into electromagnetic wave signals through the electromagnetic wave transmitting circuit;
the wireless earphone comprises a second circuit main board, a loudspeaker and a battery, wherein the loudspeaker and the battery are connected to the second circuit main board, an electromagnetic wave receiving circuit is arranged on the second circuit main board and used for receiving and processing electromagnetic wave signals transmitted by an electromagnetic wave transmitting circuit, and then the processed signals are transmitted to the loudspeaker to produce sound.
2. The audio output system for a tv set according to claim 1, wherein the earphone charging box further has a charging supporting slot for accommodating the wireless earphone, the charging supporting slot has a charging pin electrically connected to the first circuit board, a charging via copper post engaged with the charging pin is disposed on a housing of the wireless earphone, the charging via copper post is electrically connected to the second circuit board, and the charging pin contacts with the charging via copper post to charge the battery.
3. The audio output system for a television according to claim 1, wherein the electromagnetic wave transmitting circuit includes a first power amplifier, a first wireless radio frequency module, a first wireless 2.4G chip, a first audio processing module, a first MCU chip, and a first antenna, the first audio processing module is connected to the audio input port, an audio signal input from the television to the audio input port is processed by the first audio processing module, the first wireless 2.4G chip, the first wireless radio frequency module, and the first power amplifier in sequence, and then converted into an electromagnetic wave signal, which is transmitted by the first antenna, and the first wireless 2.4G chip is controlled by the first MCU chip.
4. The audio output system for a television set according to claim 3, wherein the first circuit board is provided with a first charging indicator lamp and a first flash memory, the first charging indicator lamp is controlled by the first MCU chip, and the first flash memory is connected to the first wireless 2.4G chip.
5. The audio output system for a television set according to claim 1, wherein the electromagnetic wave receiving circuit includes a second power amplifier, a second wireless radio frequency module, a second wireless 2.4G chip, a second audio processing module, a second MCU chip, and a second antenna, the second antenna is configured to receive the electromagnetic wave signal transmitted by the electromagnetic wave transmitting circuit, the second antenna transmits the received electromagnetic wave signal to the speaker for sounding after sequentially passing through the second power amplifier, the second wireless radio frequency module, the second wireless 2.4G chip, and the second audio processing module, and the second wireless 2.4G chip is controlled by the second MCU chip.
6. The audio output system for a television set according to claim 5, wherein the second circuit board is provided with a power indicator, a communication synchronization indicator, a dial switch and a second flash memory, the power indicator, the communication synchronization indicator and the dial switch are all controlled by the second MCU chip, and the second flash memory is connected to the second wireless 2.4G chip.
7. The audio output system for a television according to any one of claims 1 to 6, wherein a first pipeline circuit is further disposed on the first circuit main board, and the first pipeline circuit is connected to an external power adapter through the power interface; and a second pipeline circuit is also arranged on the second circuit main board, and the battery is connected to the second pipeline circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169676.4U CN211089779U (en) | 2020-02-14 | 2020-02-14 | Audio output system for television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169676.4U CN211089779U (en) | 2020-02-14 | 2020-02-14 | Audio output system for television |
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| Publication Number | Publication Date |
|---|---|
| CN211089779U true CN211089779U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020169676.4U Active CN211089779U (en) | 2020-02-14 | 2020-02-14 | Audio output system for television |
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| CN (1) | CN211089779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI741771B (en) * | 2020-09-01 | 2021-10-01 | 悅聲志業股份有限公司 | Headphone charging box having wireless message sharing function and bluetooth headphone thereof |
-
2020
- 2020-02-14 CN CN202020169676.4U patent/CN211089779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI741771B (en) * | 2020-09-01 | 2021-10-01 | 悅聲志業股份有限公司 | Headphone charging box having wireless message sharing function and bluetooth headphone thereof |
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