CN219437128U - Monitoring earphone of wireless live broadcast system - Google Patents

Monitoring earphone of wireless live broadcast system Download PDF

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Publication number
CN219437128U
CN219437128U CN202223031022.3U CN202223031022U CN219437128U CN 219437128 U CN219437128 U CN 219437128U CN 202223031022 U CN202223031022 U CN 202223031022U CN 219437128 U CN219437128 U CN 219437128U
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pin
chip
module
capacitor
wireless
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CN202223031022.3U
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徐笑
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Shenzhen Wollstay Technology Co ltd
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Shenzhen Wollstay Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The utility model discloses a monitoring earphone of a wireless live broadcast system, which at least comprises a receiving module, a processing module and an output module, wherein the processing module is respectively connected with the receiving module and the output module; the receiving module is used for receiving the wireless audio signals transmitted by the transmitter; the processing module is used for processing the wireless audio signals to obtain processed audio data; the output module is used for outputting the processed audio data, and the wireless transmission of the monitoring earphone and the mobile phone terminal is realized through the receiving module in the embodiment.

Description

Monitoring earphone of wireless live broadcast system
Technical Field
The utility model relates to the technical field of circuits, in particular to a monitoring earphone of a wireless live broadcast system.
Background
In a live broadcast system, audio data sent by a mobile phone terminal is required to be acquired through a monitoring earphone, but a wired mode is generally adopted in the prior art, and the mode is inconvenient to use and cannot be used for remote transmission.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a monitoring earphone of a wireless live broadcast system.
The utility model provides a monitoring earphone of a wireless live broadcast system, which at least comprises a receiving module, a processing module and an output module, wherein the processing module is respectively connected with the receiving module and the output module;
the receiving module is used for receiving the wireless audio signals transmitted by the transmitter;
the processing module is used for processing the wireless audio signal to obtain processed audio data;
the output module is used for outputting the processed audio data.
Optionally, the receiving module at least includes a wireless transceiver chip, a first antenna and a second antenna, the first antenna is connected with a first end of an inductor L2, a second end of the inductor L2 is connected with a twenty-third pin of the wireless transceiver chip, a second end of the inductor is connected with a first end of a capacitor C16, a second end of the capacitor C16 is connected with a first end of an inductor L1, a second end of the inductor L1 is connected with a twenty-fourth pin of the wireless transceiver chip, a first end of the inductor L2 is connected with a first end of the capacitor C2, and a second end of the capacitor C2 is connected with a second end of the inductor L1.
Optionally, the second antenna is connected to the first end of the inductor L4 and the first end of the capacitor C6, the second end of the inductor L4 is connected to the first end of the capacitor C27 and the first end of the capacitor C29, the second end of the capacitor C27 is connected to the second pin of the wireless transceiver chip, the second end of the capacitor C29 is connected to the first end of the inductor L3, the second end of the capacitor C6 is connected to the second end of the inductor L3 and to the first end of the capacitor C28, and the second end of the capacitor C28 is connected to the third pin of the wireless transceiver chip.
Optionally, the processing module includes an audio processing chip, a thirty-first pin of the audio processing chip is connected with a seventeenth pin of the wireless transceiver chip, a thirty-second pin of the audio processing chip is connected with a sixteenth pin of the wireless transceiver chip, a thirty-third pin of the audio processing chip is connected with a fourteenth pin of the wireless transceiver chip, and a thirty-fourth pin of the audio processing chip is connected with a thirteenth pin of the wireless transceiver chip.
Optionally, the monitoring earphone further includes a key detection module, the key detection module includes at least a first key, a second key and a third key, a first end of the first key, a first end of the second key and a first end of the third key are respectively connected with the key detection pin, the first end of the first key, the first end of the second key and the first end of the third key are further connected with a first end of a resistor R12, and a second end of the resistor R12 is connected with a direct current 2.3V voltage.
Optionally, the monitoring earphone of the wireless live broadcast system further comprises a power module, wherein the power module is respectively connected with the receiving module and the processing module, and the power module is used for providing power and also used for carrying out charging and discharging management on the battery.
Optionally, the power module includes the charging unit, the charging unit includes the chip that charges, and the fourth pin of the chip that charges links to each other with the VBUS pin of USB external adapter through resistance R27, and the fifth pin of the chip that charges links to each other with the positive pole of battery.
Optionally, the power module further includes a first voltage reduction unit, the first voltage reduction unit includes a first voltage reduction chip, the positive electrode of the battery is connected with a third end of the power switch, a second end of the power switch is connected with a first end of the capacitor C53, a second end of the capacitor C53 is connected with the first end of the first voltage reduction chip, and a third pin of the first voltage reduction chip is connected with 2.3V voltage through the inductor L5.
Optionally, the second end of the battery switch is connected to the first end of the resistor R49, the second end of the resistor R49 is connected to the first end of the resistor R50, the second end of the resistor R50 is connected to ground, and the second end of the resistor R49 is connected to the battery voltage detection pin.
Optionally, the power module further includes a second step-down unit for converting the 5V voltage into the 3V voltage.
The utility model provides a monitoring earphone of a wireless live broadcast system, which at least comprises a receiving module, a processing module and an output module, wherein the processing module is respectively connected with the receiving module and the output module; the receiving module is used for receiving the wireless audio signals transmitted by the transmitter; the processing module is used for processing the wireless audio signals to obtain processed audio data; the output module is used for outputting the processed audio data, and the wireless transmission of the monitoring earphone and the mobile phone terminal is realized through the receiving module in the embodiment.
Drawings
Fig. 1 is a schematic structural diagram of a listening earphone of a wireless live broadcast system according to an embodiment of the present utility model;
fig. 2 is a schematic circuit diagram of a receiving module according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of a processing module according to an embodiment of the present utility model;
fig. 4 is a schematic circuit diagram of a key detection module according to an embodiment of the present utility model;
fig. 5 is a schematic circuit diagram of a power module according to an embodiment of the utility model;
fig. 6 is a schematic circuit diagram of a power module according to an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to fig. 1, the utility model provides a schematic structural diagram of a listening earphone of a wireless live broadcast system, where the listening earphone of the wireless live broadcast system at least includes a receiving module 101, a processing module 102 and an output module 103, and the processing module 102 is respectively connected with the receiving module 101 and the output module 103;
the receiving module 101 is configured to receive a wireless audio signal transmitted by a transmitter;
the processing module 102 is used for processing the wireless audio signal to obtain processed audio data;
the output module 103 is configured to output the processed audio data. May be a horn.
Fig. 2 is a circuit schematic diagram of a receiving module according to an embodiment of the present utility model, where the receiving module at least includes a wireless transceiver chip, a first antenna and a second antenna, the first antenna is connected to a first end of an inductor L2, a second end of the inductor L2 is connected to a twenty-third pin of the wireless transceiver chip, a second end of the inductor is connected to a first end of a capacitor C16, a second end of the capacitor C16 is connected to a first end of an inductor L1, a second end of the inductor L1 is connected to a twenty-fourth pin of the wireless transceiver chip, a first end of the inductor L2 is connected to a first end of the capacitor C2, and a second end of the capacitor C2 is connected to a second end of the inductor L1.
Optionally, the second antenna is connected to the first end of the inductor L4 and the first end of the capacitor C6, the second end of the inductor L4 is connected to the first end of the capacitor C27 and the first end of the capacitor C29, the second end of the capacitor C27 is connected to the second pin of the wireless transceiver chip, the second end of the capacitor C29 is connected to the first end of the inductor L3, the second end of the capacitor C6 is connected to the second end of the inductor L3 and to the first end of the capacitor C28, and the second end of the capacitor C28 is connected to the third pin of the wireless transceiver chip.
Specifically, U2 is a wireless transceiver chip that can transmit wireless audio signals as well as receive wireless audio signals. L1, L2, L3, L4, C2, C16, C24, C25, C26, C28, C29 are antenna matching networks; the antenna E1 is a transmitting antenna, i.e., a first antenna; the antenna E2 is a receiving antenna, namely a second antenna; the 13-18 pins of the wireless transceiver chip are the main control U1 and the interface of the main control U1, and the 7-8 pins of the wireless transceiver chip are external crystal oscillator signals, so as to provide clock input signals for the wireless transceiver chip U2.
Fig. 3 is a schematic circuit diagram of a processing module according to an embodiment of the present utility model, where the processing module includes an audio processing chip, a thirty-first pin of the audio processing chip is connected to a seventeenth pin of the wireless transceiver chip, a thirty-second pin of the audio processing chip is connected to a sixteenth pin of the wireless transceiver chip, a thirty-third pin of the audio processing chip is connected to a fourteenth pin of the wireless transceiver chip, and a thirty-fourth pin of the audio processing chip is connected to a thirteenth pin of the wireless transceiver chip.
U5 is an audio processing chip for processing the input audio data and the audio data received by the wireless transceiver chip U2; the capacitor C22 plays a role of filtering; y1 is an external crystal oscillator.
Fig. 4 is a schematic circuit diagram of a key detection module provided in an embodiment of the present utility model, where the listening earphone further includes a key detection module, where the key detection module includes at least a first key, a second key, and a third key, the first end of the first key, the first end of the second key, and the first end of the third key are respectively connected to a key detection pin, the first end of the first key, the first end of the second key, and the first end of the third key are further connected to a first end of a resistor R12, and the second end of the resistor R12 is connected to a dc 2.3V voltage.
Specifically, the voltage of DVDD2V3 is 2.3V; key_ad serves as a KEY detect pin.
Fig. 5 is a schematic circuit diagram of a power module provided in an embodiment of the present utility model, where a listening earphone of a wireless live broadcast system further includes a power module, where the power module is connected to the receiving module and the processing module, and the power module is used to provide power and perform charge and discharge management on a battery.
Optionally, the power module includes the charging unit, and the charging unit includes the chip that charges, and the fourth pin of the chip that charges links to each other with the VBUS pin of USB external adapter through resistance R27, and the fifth pin of the chip that charges links to each other with the positive pole of battery.
Optionally, the power module further includes a first voltage reduction unit, the first voltage reduction unit includes a first voltage reduction chip, the positive electrode of the battery is connected with a third end of the power switch, a second end of the power switch is connected with a first end of the capacitor C53, a second end of the capacitor C53 is connected with the first end of the first voltage reduction chip, and a third pin of the first voltage reduction chip is connected with 2.3V voltage through the inductor L5.
Optionally, a second end of the battery switch is connected to a first end of the resistor R49, a second end of the resistor R49 is connected to a first end of the resistor R50, a second end of the resistor R50 is connected to ground, and a second end of the resistor R49 is connected to a battery voltage detection pin.
Specifically, USB1 connects to an external 5V power adapter; u1 is a charging management IC; VBAT+ is the positive battery terminal voltage, V+/BAT+ is the positive battery terminal, and V-/BAT-is the negative battery terminal.
Fig. 6 is a schematic circuit diagram of a power module according to an embodiment of the present utility model, where the power module further includes a second voltage step-down unit for converting a 5V voltage into a 3V voltage.
Specifically, 1, SW1 are battery switches;
2. pwr_det is battery voltage detection;
3. PWR_CTL is the power supply maintaining pin; power_en is the buck enable pin;
4. u6 is a step-down IC, the voltage of VBAT+ is reduced to 2.3V, DVDD23 and L5 are used for charge storage, and the capacitor is a filter; r14 and R15 provide feedback voltage for the FB terminal;
5. VR1 is a step-down IC that reduces the battery voltage to 3.0V (AVDD 30).
Wherein U1 is a KF5056 chip, U2 is an RF03 chip, and U5 is a WN8031 chip.
The hardware part of the embodiment of the utility model comprises 3 major parts:
1) An audio processor (corresponding to the line of the U5 part) for processing the received audio and outputting the audio to the loudspeaker;
2) An RF receiver (corresponding to the line of the U2 part) for receiving the wireless audio transmitted from the transmitter;
3) Power and battery management (circuitry corresponding to the U1, U6 and VR1 portions), the power portion being responsible for providing power to the headset, and the battery management being responsible for managing the battery, including charge and discharge management.
In the embodiment of the utility model, the function of the monitoring earphone needs to be completed: and receiving the audio sent by the transmitter of the mobile phone terminal, processing the audio and outputting the processed audio from the loudspeaker.
The utility model provides a monitoring earphone of a wireless live broadcast system, which at least comprises a receiving module, a processing module and an output module, wherein the processing module is respectively connected with the receiving module and the output module; the receiving module is used for receiving the wireless audio signals transmitted by the transmitter; the processing module is used for processing the wireless audio signals to obtain processed audio data; the output module is used for outputting the processed audio data, and the wireless transmission of the monitoring earphone and the mobile phone terminal is realized through the receiving module in the embodiment.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. The monitoring earphone of the wireless live broadcast system is characterized by at least comprising a receiving module, a processing module and an output module, wherein the processing module is respectively connected with the receiving module and the output module;
the receiving module is used for receiving the wireless audio signals transmitted by the transmitter;
the processing module is used for processing the wireless audio signal to obtain processed audio data;
the output module is used for outputting the processed audio data;
the receiving module at least comprises a wireless receiving and transmitting chip, a first antenna and a second antenna, wherein the first antenna is connected with the first end of an inductor L2, the second end of the inductor L2 is connected with a twenty-third pin of the wireless receiving and transmitting chip, the second end of the inductor is connected with the first end of a capacitor C16, the second end of the capacitor C16 is connected with the first end of an inductor L1, the second end of the inductor L1 is connected with the twenty-fourth pin of the wireless receiving and transmitting chip, the first end of the inductor L2 is connected with the first end of the capacitor C2, and the second end of the capacitor C2 is connected with the second end of the inductor L1.
2. The listening earpiece of claim 1, wherein the second antenna is connected to a first end of the inductor L4 and a first end of the capacitor C6, respectively, a second end of the inductor L4 is connected to a first end of the capacitor C27 and a first end of the capacitor C29, respectively, a second end of the capacitor C27 is connected to a second pin of the wireless transceiver chip, a second end of the capacitor C29 is connected to a first end of the inductor L3, a second end of the capacitor C6 is connected to a second end of the inductor L3, and is connected to a first end of the capacitor C28, and a second end of the capacitor C28 is connected to a third pin of the wireless transceiver chip.
3. The listening earpiece of the wireless live broadcast system of claim 1, wherein the processing module includes an audio processing chip, a thirty-first pin of the audio processing chip is coupled to a seventeenth pin of the wireless transceiver chip, a thirty-second pin of the audio processing chip is coupled to a sixteenth pin of the wireless transceiver chip, a thirty-third pin of the audio processing chip is coupled to a fourteenth pin of the wireless transceiver chip, and a thirty-fourth pin of the audio processing chip is coupled to a thirteenth pin of the wireless transceiver chip.
4. The listening earphone of claim 1, further comprising a key detection module, wherein the key detection module comprises at least a first key, a second key, and a third key, wherein the first end of the first key, the first end of the second key, and the first end of the third key are respectively connected to the key detection pin, and the first end of the first key, the first end of the second key, and the first end of the third key are further connected to the first end of a resistor R12, and the second end of the resistor R12 is connected to a dc 2.3V voltage.
5. The listening earpiece of the wireless live broadcast system of claim 1, further comprising a power module, the power module being respectively coupled to the receiving module and the processing module, the power module being configured to provide power and to charge and discharge a battery.
6. The wireless live broadcast system of claim 5, wherein the power module comprises a charging unit, the charging unit comprises a charging chip, a fourth pin of the charging chip is connected with a VBUS pin of the USB external adapter through a resistor R27, and a fifth pin of the charging chip is connected with the positive electrode of the battery.
7. The wireless live broadcast system of claim 6, wherein the power module further comprises a first buck unit, the first buck unit comprises a first buck chip, the positive pole of the battery is connected to a third terminal of the power switch, a second terminal of the power switch is connected to a first terminal of the capacitor C53, a second terminal of the capacitor C53 is connected to a first terminal of the first buck chip, and a third pin of the first buck chip is connected to a 2.3V voltage through the inductor L5.
8. The listening earpiece of the wireless live broadcast system of claim 7, wherein the second terminal of the battery switch is coupled to a first terminal of a resistor R49, a second terminal of the resistor R49 is coupled to a first terminal of a resistor R50, a second terminal of the resistor R50 is coupled to ground, and a second terminal of the resistor R49 is coupled to a battery voltage sense pin.
9. The listening earpiece of the wireless live broadcast system of claim 7, wherein the power module further comprises a second buck unit for converting a 5V voltage to a 3V voltage.
CN202223031022.3U 2022-11-15 2022-11-15 Monitoring earphone of wireless live broadcast system Active CN219437128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223031022.3U CN219437128U (en) 2022-11-15 2022-11-15 Monitoring earphone of wireless live broadcast system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223031022.3U CN219437128U (en) 2022-11-15 2022-11-15 Monitoring earphone of wireless live broadcast system

Publications (1)

Publication Number Publication Date
CN219437128U true CN219437128U (en) 2023-07-28

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CN202223031022.3U Active CN219437128U (en) 2022-11-15 2022-11-15 Monitoring earphone of wireless live broadcast system

Country Status (1)

Country Link
CN (1) CN219437128U (en)

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