CN212012625U - Wireless communication module and multi-path voice communication device - Google Patents
Wireless communication module and multi-path voice communication device Download PDFInfo
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- CN212012625U CN212012625U CN202021158754.7U CN202021158754U CN212012625U CN 212012625 U CN212012625 U CN 212012625U CN 202021158754 U CN202021158754 U CN 202021158754U CN 212012625 U CN212012625 U CN 212012625U
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Abstract
The utility model provides a wireless communication module, include: a baseband processing module and A2B module; the baseband processing module comprises a baseband processor, a memory and an SIM card identification module; the baseband processor is respectively electrically connected with the A2B module, the memory and the SIM card identification module; the A2B module is used to convert the audio I2S signal into a pair of A2B differential audio signals; the baseband processor is used for demodulating the radio frequency signal to obtain an audio I2S signal and/or modulating the audio I2S signal to obtain a radio frequency signal; the memory is used for storing the operation instruction of the baseband processor and providing a space for the operation instruction to run; the SIM card identification module is used for identifying the embedded SIM card. The utility model provides a A2B interface can realize transmitting multichannel audio data through connecting a set of twisted-pair line, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, the cost is reduced.
Description
Technical Field
The utility model relates to a voice call technical field, in particular to wireless communication module and multichannel voice call device.
Background
Existing wireless communication modules support digital voice technologies, such as PCM (Pulse Code Modulation)/I2S (Inter-IC Sound, integrated circuit built-in audio bus); analog voice technology is supported. When a plurality of external microphones are needed, each microphone needs to be wired independently, so that the wiring complexity and cost are increased, and the debugging difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art when needing external multichannel microphone, need every way microphone independent wiring, increased the complexity and the cost of wiring, also increased the debugging degree of difficulty defect simultaneously, provide a wireless communication module and multichannel voice call device.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a wireless communication module, it includes: a baseband processing module and A2B (automatic Audio Bus) module;
the baseband processing Module comprises a baseband processor, a memory and a Subscriber Identity Module (SIM) card identification Module;
the baseband processor is electrically connected with the A2B module;
the baseband processor is electrically connected with the memory;
the baseband processor is electrically connected with the SIM card identification module;
the A2B module is used to convert an audio I2S signal into a pair of A2B differential audio signals;
the baseband processor is used for demodulating the radio frequency signal to obtain an audio I2S signal, and/or modulating the audio I2S signal to obtain a radio frequency signal;
the memory is used for storing the operation instruction of the baseband processor and providing a space for the operation instruction to run;
the SIM card identification module is used for identifying the embedded SIM card.
Preferably, the wireless communication module further comprises a radio frequency transceiver module;
the radio frequency transceiving module comprises a radio frequency transceiving controller, an amplifier, a first frequency selection module, a first filtering module, a second frequency selection module and a second filtering module;
the radio frequency transceiver controller is electrically connected with the amplifier, the first frequency selection module, the first filtering module and the second filtering module respectively;
the amplifier is electrically connected with the first frequency selection module;
the second filtering module is electrically connected with the second frequency selection module;
the amplifier is used for amplifying the radio frequency signal sent by the radio frequency transceiver controller;
the first frequency selection module is used for performing frequency selection on radio frequency signals received and transmitted by the first antenna;
the first filtering module is used for filtering the radio-frequency signal received by the second antenna;
the second frequency selection module is used for performing frequency selection on the radio-frequency signal received by the third antenna;
the second filtering module is used for filtering the radio frequency signal received by the third antenna.
Preferably, the first antenna is a main antenna.
Preferably, the second antenna is a GNSS (Global Navigation Satellite System) antenna;
the third antenna is a diversity receiving antenna.
Preferably, the wireless communication module further comprises a power management module;
the power supply management module comprises a power supply manager and a clock module;
the power supply manager is electrically connected with the clock module, the baseband processor, the A2B module and the radio frequency transceiver controller respectively;
the power supply manager is used for respectively supplying power to the radio frequency transceiver controller, the baseband processor and the A2B module;
the clock module is used for generating a corresponding clock to drive the power manager.
Preferably, the power manager includes an external interface;
the external interface includes: VBAT _ BB interface, VDD _ EXT interface, PWRKEY interface, RESET _ N interface, SHDN _ N interface, ADC interface, STATUS interface and NET _ STATUS interface;
the VBAT _ BB interface is used for supplying power to the power supply manager;
the VDD _ EXT interface is used for supplying power to external equipment by the power supply manager;
the PWRKEY interface is used for transmitting a signal for indicating the power manager to start up;
the RESET _ N interface is used for transmitting a signal for indicating the RESET of the power supply manager;
the SHDN _ N interface is used for transmitting a signal indicating the emergency shutdown of the power manager;
the ADC interface is used for transmitting a signal for indicating the power manager to carry out analog-digital conversion;
the STATUS interface is used for indicating the state of a state indicator lamp;
the NET _ STATUS is used for indicating the state of the network indicator lamp.
Preferably, the A2B module includes an A2B interface;
the A2B interface is used for connecting A2B equipment.
Preferably, the baseband processor includes an I2C Interface, an SDIO (Secure Digital Input and Output) Interface, a USB (Universal Serial Bus) Interface, a UART (Universal Asynchronous Receiver/Transmitter) Interface, an SPI (Serial Peripheral Interface) Interface, and a GPIO (General-purpose-Input/Output) Interface;
the I2C interface is used for connecting I2C equipment;
the SDIO interface is used for connecting Wi-Fi (wireless internet technology) and for connecting an SD Card and/or an eMMC (Embedded Multi Media Card);
the USB interface is used for connecting USB equipment;
the UART interface is used for connecting Bluetooth and/or debugging the wireless communication module;
the SPI interface is used for connecting SPI equipment;
the GPIO interface is used for connecting GPIO equipment.
The utility model also provides a multichannel pronunciation calling equipment, multichannel pronunciation calling equipment includes aforementioned wireless communication module.
Preferably, the multi-way voice communicator further comprises a plurality of A2B slaves;
the multi-path voice communication device also comprises a plurality of microphones and/or microphones;
the A2B interface of the wireless communication module is electrically connected with the A2B slave;
each A2B slave is electrically connected with the microphone and/or the microphone.
The utility model discloses an actively advance the effect and lie in: the utility model provides a A2B interface can realize transmitting multichannel audio data through connecting a set of twisted-pair line, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a wireless communication module according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a baseband processing module in the wireless communication module according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of a wireless communication module according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of a sub-module of the wireless communication module according to embodiment 2 of the present invention.
Fig. 5 is a schematic structural diagram of a multi-path voice call apparatus according to embodiment 4 of the present invention.
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
Example 1
The present embodiment provides a wireless communication module. Referring to fig. 1, the wireless communication module includes: baseband processing module 1 and A2B module 2;
referring to fig. 2, the baseband processing module 1 includes a baseband processor 11, a memory 12, and a SIM card identification module 13;
the baseband processor 11 is electrically connected with the A2B module 2;
the baseband processor 11 is electrically connected with the memory 12;
the baseband processor 11 is electrically connected with the SIM card identification module 13;
the A2B module 2 is used to convert the audio I2S signal into a pair of A2B differential audio signals;
wherein, the A2B module comprises an A2B interface; the A2B interface is used for connecting A2B equipment, and the A2B equipment is connected with the A2B interface through a group of twisted pairs;
the A2B module 2 can transmit the A2B differential audio signal by connecting a group of twisted pairs, the twisted pairs can be connected with a plurality of audio devices, and can transmit signals of the plurality of audio devices on the group of twisted pairs, thereby reducing the complexity and difficulty of board arrangement and debugging, reducing the number and weight of the arranged cables, and reducing the cost;
the baseband processor 11 is configured to demodulate the radio frequency signal to obtain an audio I2S signal, and/or modulate the audio I2S signal to obtain a radio frequency signal;
the memory 12 is used for storing the operation instructions of the baseband processor 11 and providing a space for the operation instructions to run;
the SIM card identification module 13 is used to identify the embedded SIM card.
In this embodiment, the baseband processor includes an I2C interface, an SDIO interface, a USB interface, a UART interface, an SPI interface, and a GPIO interface;
the I2C interface is used for connecting I2C equipment;
the SDIO interface is used for connecting Wi-Fi and is used for connecting an SD card and/or an eMMC;
the USB interface is used for connecting USB equipment;
the UART interface is used for connecting Bluetooth and/or debugging the wireless communication module;
the SPI interface is used for connecting SPI equipment;
the GPIO interface is used for connecting GPIO equipment;
the multiple interfaces expand the functions of the wireless communication module, providing feasibility for the wireless communication module to have more functions or services.
The utility model provides a A2B interface can realize transmitting multichannel audio data through connecting a set of twisted-pair line, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, the cost is reduced.
Example 2
The wireless communication module of the present embodiment is a further improvement of embodiment 1, specifically:
referring to fig. 3, the wireless communication module further includes a radio frequency transceiver module 3 and a power management module 4;
referring to fig. 4, the radio frequency transceiving module 3 includes a radio frequency transceiving controller 31, an amplifier 32, a first frequency selecting module 33, a first filtering module 34, a second frequency selecting module 35, and a second filtering module 36;
the radio frequency transceiver controller 31 is electrically connected with the amplifier 32, the first frequency selection module 33, the first filtering module 34 and the second filtering module 36 respectively;
the amplifier 32 is electrically connected with the first frequency selection module 33;
the second filtering module 36 is electrically connected with the second frequency selecting module 35;
the amplifier 32 is configured to amplify the radio frequency signal sent by the radio frequency transceiver controller 31;
the first frequency selection module 33 is configured to perform frequency selection on a radio frequency signal received and transmitted by the first antenna;
the first filtering module 34 is configured to perform filtering processing on the radio frequency signal received by the second antenna;
the second frequency selection module 35 is configured to perform frequency selection on the radio frequency signal received by the third antenna;
the second filtering module 36 is configured to filter the radio frequency signal received by the third antenna.
The first antenna is a main antenna and can be used for receiving and/or transmitting radio frequency signals; the second antenna is a GNSS antenna and is only used for receiving radio frequency signals of satellites; the third antenna is a diversity receiving antenna and is only used for receiving radio frequency signals.
The power management module 4 includes a power manager 41 and a Clock module 42, wherein the power manager 41 includes a Real Time Clock (RTC) for generating a 32KHz Clock signal to synchronize Real Time;
the power manager 41 is electrically connected with the clock module 42, the baseband processor 11, the A2B module 2 and the rf transceiver controller 31 respectively;
the power manager 41 is used for respectively supplying power to the radio frequency transceiver controller 31, the baseband processor 11 and the A2B module 2;
the clock module 42 is used to generate a corresponding clock to drive the power manager 41.
The power manager includes an external interface;
the external interface includes: VBAT _ BB interface, VDD _ EXT interface, PWRKEY interface, RESET _ N interface, SHDN _ N interface, ADC interface, STATUS interface and NET _ STATUS interface;
the VBAT _ BB interface is used for supplying power to the power supply manager;
the VDD _ EXT interface is used for supplying power to external equipment by the power supply manager;
the PWRKEY interface is used for transmitting a signal for indicating the power manager to start up;
the RESET _ N interface is used for transmitting a signal for indicating the RESET of the power supply manager;
the SHDN _ N interface is used for transmitting a signal indicating the emergency shutdown of the power manager;
the ADC interface is used for transmitting a signal for indicating the power manager to carry out analog-digital conversion;
the STATUS interface is used for indicating the state of a state indicator lamp;
the NET _ STATUS is used for indicating the state of the network indicator lamp.
The utility model provides a A2B interface can realize transmitting multichannel audio data through connecting a set of twisted-pair line, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, and the cost is reduced has further expanded wireless communication module's function simultaneously, has increased wireless receiving and dispatching radio frequency signal's function.
Example 3
The present embodiment provides a multi-path voice call apparatus including the wireless communication module in any one of embodiment 1 or embodiment 2.
The utility model provides a multichannel pronunciation calling equipment can realize transmitting multichannel audio data through connecting a set of twisted-pair line through aforementioned wireless communication module's A2B interface, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, the cost is reduced.
Example 4
The multi-way voice call device of the present embodiment is a further improvement of embodiment 3, specifically:
referring to fig. 5, the multi-way voice communicator further includes a plurality of A2B slaves 51;
the multi-way voice call device further comprises a plurality of microphones and/or microphones 52;
the A2B interface of the wireless communication module is electrically connected with the A2B slave 51;
the A2B interface of the wireless communication module is electrically connected with the A2B slave 51 through a group of twisted pairs, and two cables of the twisted pairs are both connected with the A2B slave 51;
each A2B slave 51 is electrically connected to a microphone and/or a microphone 52;
a group of twisted pairs can be connected with a plurality of A2B slave machines 51, each A2B slave machine 51 is connected with a microphone and/or a microphone 52, signals of a plurality of audio devices are transmitted on the group of twisted pairs, complexity and difficulty of wiring and debugging are reduced, the number and weight of cables are reduced, and cost is reduced.
The utility model provides a multichannel pronunciation calling equipment can realize transmitting multichannel audio data through connecting a set of twisted-pair line through aforementioned wireless communication module's A2B interface, has reduced the complexity and the degree of difficulty of cloth board wiring and debugging, has reduced the quantity and the weight of the cable of laying, the cost is reduced.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A wireless communication module, comprising: a baseband processing module and A2B module;
the baseband processing module comprises a baseband processor, a memory and an SIM card identification module;
the baseband processor is electrically connected with the A2B module;
the baseband processor is electrically connected with the memory;
the baseband processor is electrically connected with the SIM card identification module;
the A2B module is used to convert an audio I2S signal into a pair of A2B differential audio signals;
the baseband processor is used for demodulating the radio frequency signal to obtain an audio I2S signal, and/or modulating the audio I2S signal to obtain a radio frequency signal;
the memory is used for storing the operation instruction of the baseband processor and providing a space for the operation instruction to run;
the SIM card identification module is used for identifying the embedded SIM card.
2. The wireless communication module of claim 1, wherein the wireless communication module further comprises a radio frequency transceiver module;
the radio frequency transceiving module comprises a radio frequency transceiving controller, an amplifier, a first frequency selection module, a first filtering module, a second frequency selection module and a second filtering module;
the radio frequency transceiver controller is electrically connected with the amplifier, the first frequency selection module, the first filtering module and the second filtering module respectively;
the amplifier is electrically connected with the first frequency selection module;
the second filtering module is electrically connected with the second frequency selection module;
the amplifier is used for amplifying the radio frequency signal sent by the radio frequency transceiver controller;
the first frequency selection module is used for performing frequency selection on radio frequency signals received and transmitted by the first antenna;
the first filtering module is used for filtering the radio-frequency signal received by the second antenna;
the second frequency selection module is used for performing frequency selection on the radio-frequency signal received by the third antenna;
the second filtering module is used for filtering the radio frequency signal received by the third antenna.
3. The wireless communication module of claim 2, wherein the first antenna is a primary antenna.
4. The wireless communication module of claim 2, wherein the second antenna is a GNSS antenna;
the third antenna is a diversity receiving antenna.
5. The wireless communication module of claim 2, wherein the wireless communication module further comprises a power management module;
the power supply management module comprises a power supply manager and a clock module;
the power supply manager is electrically connected with the clock module, the baseband processor, the A2B module and the radio frequency transceiver controller respectively;
the power supply manager is used for respectively supplying power to the radio frequency transceiver controller, the baseband processor and the A2B module;
the clock module is used for generating a corresponding clock to drive the power manager.
6. The wireless communication module of claim 5, wherein the power manager comprises an external interface;
the external interface includes: VBAT _ BB interface, VDD _ EXT interface, PWRKEY interface, RESET _ N interface, SHDN _ N interface, ADC interface, STATUS interface and NET _ STATUS interface;
the VBAT _ BB interface is used for supplying power to the power supply manager;
the VDD _ EXT interface is used for supplying power to external equipment by the power supply manager;
the PWRKEY interface is used for transmitting a signal for indicating the power manager to start up;
the RESET _ N interface is used for transmitting a signal for indicating the RESET of the power supply manager;
the SHDN _ N interface is used for transmitting a signal indicating the emergency shutdown of the power manager;
the ADC interface is used for transmitting a signal for indicating the power manager to carry out analog-digital conversion;
the STATUS interface is used for indicating the state of a state indicator lamp;
the NET _ STATUS is used for indicating the state of the network indicator lamp.
7. The wireless communication module of claim 1, wherein the A2B module comprises an A2B interface;
the A2B interface is used for connecting A2B equipment.
8. The wireless communication module of claim 1, wherein the baseband processor comprises an I2C interface, an SDIO interface, a USB interface, a UART interface, an SPI interface, and a GPIO interface;
the I2C interface is used for connecting I2C equipment;
the SDIO interface is used for connecting Wi-Fi and is used for connecting an SD card and/or an eMMC;
the USB interface is used for connecting USB equipment;
the UART interface is used for connecting Bluetooth and/or debugging the wireless communication module;
the SPI interface is used for connecting SPI equipment;
the GPIO interface is used for connecting GPIO equipment.
9. A multi-channel voice communicator, characterized in that the multi-channel voice communicator comprises the wireless communication module according to any one of claims 1 to 8.
10. The multi-way voice call device according to claim 9, further comprising a plurality of A2B slaves;
the multi-path voice communication device also comprises a plurality of microphones and/or microphones;
the A2B interface of the wireless communication module is electrically connected with the A2B slave;
each A2B slave is electrically connected with the microphone and/or the microphone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021158754.7U CN212012625U (en) | 2020-06-19 | 2020-06-19 | Wireless communication module and multi-path voice communication device |
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| CN202021158754.7U CN212012625U (en) | 2020-06-19 | 2020-06-19 | Wireless communication module and multi-path voice communication device |
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| CN212012625U true CN212012625U (en) | 2020-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640403A (en) * | 2022-03-29 | 2022-06-17 | 上海移远通信技术股份有限公司 | Test method and device of eSIM terminal, terminal and storage medium |
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2020
- 2020-06-19 CN CN202021158754.7U patent/CN212012625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640403A (en) * | 2022-03-29 | 2022-06-17 | 上海移远通信技术股份有限公司 | Test method and device of eSIM terminal, terminal and storage medium |
| CN114640403B (en) * | 2022-03-29 | 2024-04-26 | 上海移远通信技术股份有限公司 | ESIM terminal testing method, eSIM terminal testing device, eSIM terminal and storage medium |
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