CN211719260U - Remote voice player based on nbiot transmission technology - Google Patents
Remote voice player based on nbiot transmission technology Download PDFInfo
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- CN211719260U CN211719260U CN201922054982.3U CN201922054982U CN211719260U CN 211719260 U CN211719260 U CN 211719260U CN 201922054982 U CN201922054982 U CN 201922054982U CN 211719260 U CN211719260 U CN 211719260U
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Abstract
The utility model belongs to the technical field of the thing networking, a long-range pronunciation player based on nbiot transmission technology is disclosed, including power supply circuit (1), pronunciation broadcast circuit (2), MCU circuit (3), nbiot circuit (4). The utility model provides a novel voice player based on nbiot transmission technology, it receives the text formula speech information that the server transmission was come through nbiot mode, carries out the pronunciation broadcast through TTS technical drive speaker. The voice playing method can store voice information in advance, receive an instruction of the server to play voice, and also can receive text voice information in real time to play voice. Since nbiot is by means of the existing network of the telecommunications operator, remote control can be made across regions. Compared with other cross-region transmission technologies, the nbiot technology has lower power consumption, can be used in the environment of solar power supply, and has very wide application prospect.
Description
Technical Field
The utility model relates to a technical field of the thing networking specifically is a long-range pronunciation player based on nbiot transmission technology.
Background
The technology is a narrow-band Internet of things based on honeycomb, which is constructed in a honeycomb network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network, so that the purposes of reducing deployment cost and smoothly upgrading are achieved. The nbiot technology supports cellular data connection of low-power-consumption equipment in a wide area network, and supports efficient connection of equipment which has long standby time and high requirement on network connection.
The voice player is used for playing the voice content designated by the user and can be divided into two forms of a storage type voice player and a real-time voice player. The storage type playing is to store the voice information in the player in advance and receive the user instruction to play the appointed content; the real-time playing means that the user sends voice playing information in real time and outputs voice in real time after transmitting the voice playing information to the player.
The short message is an abbreviation of English Text To Speech (Text To Speech), is used for converting Text information into Speech information, and is particularly suitable for long-distance transmission due To small space occupation of the Text information.
The existing storage type voice player generally records the language into MP3 format and then stores the language into a FLASH memory of the voice player, and because the capacity of the FLASH memory is limited, the length of the stored voice information is limited, and the voice information must be refreshed by a manual method, which causes inconvenience for users. The existing real-time voice player generally adopts wireless modes such as 433MHz, bluetooth and the like to play voice in real time, but these modes must be a compromise between transmission distance and transmission bandwidth, and the transmission distance is generally only within a range of tens of meters to hundreds of meters, and when the transmission distance is increased, the power consumption of the voice player is significantly increased.
Disclosure of Invention
An object of the utility model is to provide a novel voice player based on nbiot transmission technology, it receives the text formula speech information that the server transmission was come through nbiot mode, carries out the pronunciation broadcast through TTS technical drive speaker. The voice playing method can store voice information in advance, receive an instruction of the server to play voice, and also can receive text voice information in real time to play voice. Since nbiot is by means of the existing network of the telecommunications operator, remote control can be made across regions. Compared with other cross-region transmission technologies, the nbiot technology is lower in power consumption and shorter in network-climbing time, can be used in a solar power supply environment, and has a very wide application prospect.
In order to achieve the above object, the utility model provides a following technical scheme: a remote voice player based on nbiot transmission technology comprises a power circuit, a voice playing circuit, an MCU circuit and an nbiot circuit; the power supply circuit (1) adopts a battery to provide power for the voice playing circuit, the MCU circuit and the nbiot circuit, wherein the power of the voice playing circuit and the nbiot circuit is controlled by the MCU circuit; the voice playing circuit receives data transmitted by the MCU circuit by using a TTS chip, converts the data into analog voice and outputs the voice through a loudspeaker; the MCU circuit controls the power supplies of the voice playing circuit and the nbiot circuit, is connected with the voice playing circuit and the nbiot circuit by using an asynchronous serial interface, receives text voice information transmitted by the server through the nbiot circuit and then transmits the text voice information to the voice playing circuit; the nbiot circuit receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit through the SPI bus.
Preferably, the power supply circuit (1) adopts a battery to provide power for the voice playing circuit, the MCU circuit and the nboot circuit, wherein the power of the voice playing circuit and the nboot circuit is controlled by the MCU circuit, the battery is connected with a DP1 interface to supply power BAT, and the BAT is stabilized to 3.3V by a DU3 chip MCP33 to supply power to the whole circuit board; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to nbiot circuit, E3.3V is used for supplying power to voice playing circuit; control terminals W3.3V and E3.3V are generated by the MCU circuit and controlled by C _ W and C _ E.
Preferably, the voice playing circuit uses a TTS chip to receive data transmitted by the MCU circuit, converts the data into analog voice, and outputs the voice through a loudspeaker, wherein the circuit consists of the TTS chip EU1 KFS3031CNP and a voice power amplifier chip EU2LM4990 MM; the power supply is supplied by a power supply circuit and is controlled by 4 pins TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD of the MCU circuit.
Preferably, the MCU circuit (3) controls the power supplies of the voice playing circuit and the nbiot circuit, is connected with the voice playing circuit and the nbiot circuit by using an asynchronous serial interface, receives text voice information transmitted by a server through the nbiot circuit and then transmits the text voice information to the voice playing circuit, and the circuit consists of a low-power consumption MCU chip MU1 STM32L053R8T6 and a program downloading interface MP 1; it communicates with nboot circuit through SPI interface CS _ WX, SCK, MOSI and MISO signals; communicating with a voice playing circuit through TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD signals; and the power supplies of the voice playing circuit and the nboot circuit are controlled through the C _ W and C _ E signals so as to reduce the overall power consumption.
Preferably, the nbiot circuit (4) receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit through the SPI bus, wherein the circuit consists of an nbiot chip WU1, a SIM card circuit WU2, an antenna interface WP1 and peripheral circuits thereof; the model of the WU1 is SIM7020, the model of the WU2 is 6-pin flip type SIM card seat, the model of the WP1 is ANT-SMA5P, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit, and SPI interfaces CS, SCK, MOSI and MISO are adopted to communicate with the low-power consumption MCU circuit.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the voice information can be stored in advance and played according to the user instruction;
(2) the text information transmitted by the server can be received, and real-time voice playing is carried out;
(3) the system is communicated with a server in an nboot mode, and remote cross-region access can be realized;
(4) the design of low power consumption can be operated stably for a long time.
The drawings that the utility model relates to explain as follows:
FIG. 1 is a general block diagram of the system of the present invention;
FIG. 2 is a power supply circuit diagram;
FIG. 3 is a circuit diagram of a voice playback circuit;
FIG. 4 is a circuit diagram of an MCU;
fig. 5 is a nbiot circuit diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 of the drawings, a drawing,
a remote voice player based on nbiot transmission technology comprises a power circuit 1, a voice playing circuit 2, an MCU circuit 3 and an nbiot circuit 4; the power supply circuit (1) adopts a battery to provide power for the voice playing circuit 2, the MCU circuit 3 and the nbiot circuit 4, wherein the power of the voice playing circuit 2 and the nbiot circuit 4 is controlled by the MCU circuit 3; the voice playing circuit (2) uses a TTS chip to receive the data transmitted by the MCU circuit 3, converts the data into analog voice, and outputs the voice through a loudspeaker; the MCU circuit (3) controls the power supplies of the voice playing circuit 2 and the nbiot circuit 4, is connected with the voice playing circuit 2 and the nbiot circuit 4 by using an asynchronous serial interface, receives text voice information transmitted by a server through the nbiot circuit 4, and then transmits the text voice information to the voice playing circuit 2; the nbiot circuit 4 receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit 3 through the SPI bus.
Referring to figures 1 and 2 of the drawings,
the power supply circuit (1) adopts a battery to provide power for the voice playing circuit 2, the MCU circuit 3 and the nboot circuit 4, wherein the power of the voice playing circuit 2 and the nboot circuit 4 is controlled by the MCU circuit 3, the battery is connected with a DP1 interface to supply power BAT, and the BAT is stabilized to 3.3V by a DU3 chip MCP33 to supply power to the whole circuit board; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to the nbiot circuit 4, E3.3V is used for supplying power to the voice playing circuit 2; control terminals W3.3V and E3.3V are generated by the MCU circuit 3 and controlled by C _ W and C _ E.
The circuit principle is as follows: the power circuit 1 generates 3 paths of 3.3V power supplies which respectively supply power to the MCU circuit 3, the nbiot circuit 4 and the voice playing circuit 2; wherein, the MCU circuit 3 is in a continuous power-on state and generates 2 control signals C _ W and C _ E for controlling the nbiot circuit 4 and the power supply of the voice playing circuit 2; the control circuit adopts an MOS tube control method, the selected MOS tubes DQ1 and DQ3 have small leakage currents, when the control circuit is in a cut-off state, the leakage currents are smaller than 1uA and can be almost ignored, and therefore the power consumption of the whole module only needs to consider the power consumption of the MCU circuit 3 in most time.
Referring to figures 1 and 3 of the drawings,
the voice playing circuit (2) uses a TTS chip to receive the data transmitted by the MCU circuit 3, converts the data into analog voice, and outputs the voice through a loudspeaker, wherein the circuit consists of a TTS chip EU1 KFS3031CNP and a voice power amplifier chip EU2LM4990 MM; the power supply is supplied by the power supply circuit 1 and is controlled by 4 pins TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD of the MCU circuit 3.
The circuit principle is as follows: the EU1 adopts asynchronous serial ports TTS _ TXD and TTS _ RXD to communicate with the MCU circuit 3 and receive data transmitted by the MCU circuit 3; after receiving the data, the EU1 converts the data into voice information and transmits the voice information to the power amplifier chip EU2 for voice output; the MCU circuit 3 RESETs EU1 via TTS _ RESET, and turns off and on the voice output via TTS _ SD.
Referring to figures 1 and 4 of the drawings,
the MCU circuit (3) controls the power supplies of the voice playing circuit 2 and the nbiot circuit 4, is connected with the voice playing circuit 2 and the nbiot circuit 4 by using an asynchronous serial interface, receives text voice information transmitted by a server through the nbiot circuit 4 and then transmits the text voice information to the voice playing circuit 2, wherein the circuit consists of a low-power consumption MCU chip MU1 STM32L053R8T6 and a program downloading interface MP 1; it communicates with nboot circuit 4 through SPI interface CS _ WX, SCK, MOSI and MISO signals; the voice playing circuit 2 is communicated with TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD signals; the power supplies of the voice playing circuit 2 and the nboot circuit 4 are controlled through the C _ W and C _ E signals so as to reduce the overall power consumption.
The circuit principle is as follows: the power circuit 1 continuously supplies power to the MCU circuit 3, and the MCU circuit 3 controls the power of the voice playing circuit 2 and the nbiot circuit 4 to reduce power consumption; the text voice information transmitted by the server is transmitted to the MCU circuit 3 through the nboot circuit 4; the MCU circuit 3 transmits the processed data to the voice playing circuit 2 for voice playing.
Referring to figures 1 and 5 of the drawings,
the nbiot circuit (4) receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit 3 through the SPI bus, wherein the circuit consists of an nbiot chip WU1, a SIM card circuit WU2, an antenna interface WP1 and peripheral circuits thereof; the model of the WU1 is SIM7020, the model of the WU2 is 6-pin flip type SIM card seat, the model of the WP1 is ANT-SMA5P, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit 1, and SPI interfaces CS, SCK, MOSI and MISO are adopted to communicate with a low-power consumption MCU circuit 3.
The circuit principle is as follows: the circuit communicates with other devices in a wireless network in an nbiot wireless mode, communicates with the low-power consumption MCU circuit 3 through SPI (serial peripheral interface) CS, SCK (serial peripheral interface), MOSI (multimedia over coax) and MISO (single input single output) signals, and is controlled by the low-power consumption MCU circuit 3 to be in a power-off state in a normal state so as to save power consumption.
In summary, the following steps: a remote voice player based on an nbiot transmission technology can store voice information in advance, play the voice information according to a user instruction, receive text information transmitted by a server, play the voice in real time, communicate with the server in an nbiot mode, remotely access across regions, and operate stably for a long time due to low power consumption design, so that the defects of the prior art are effectively overcome.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A remote voice player based on an nbiot transmission technology comprises a power circuit (1), a voice playing circuit (2), an MCU circuit (3) and an nbiot circuit (4); the power supply circuit (1) adopts a battery to provide power for the voice playing circuit (2), the MCU circuit (3) and the nbiot circuit (4), wherein the power of the voice playing circuit (2) and the nbiot circuit (4) is controlled by the MCU circuit (3); the voice playing circuit (2) receives data transmitted by the MCU circuit (3) by using a TTS chip, converts the data into analog voice and outputs the voice through a loudspeaker; the MCU circuit (3) controls the power supplies of the voice playing circuit (2) and the nbiot circuit (4), is connected with the voice playing circuit (2) and the nbiot circuit (4) by using an asynchronous serial interface, receives text voice information transmitted by a server through the nbiot circuit (4), and then transmits the text voice information to the voice playing circuit (2); the nbiot circuit (4) receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit (3) through the SPI bus.
2. The remote voice player based on the nbiot transmission technology according to claim 1, wherein the power circuit (1) uses a battery to supply power to the voice playing circuit (2), the MCU circuit (3) and the nbiot circuit (4), wherein the power of the voice playing circuit (2) and the nbiot circuit (4) is controlled by the MCU circuit (3), the battery is connected with a DP1 interface to supply power BAT, and the BAT is stabilized to 3.3V by a DU3 MCP33 to supply power to the whole circuit board; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to the nbiot circuit (4), E3.3V is used for supplying power to the voice playing circuit (2); control terminals W3.3V and E3.3V are generated by the MCU circuit (3) and are controlled by C _ W and C _ E.
3. The remote voice player based on the nbiot transmission technology is characterized in that the voice playing circuit (2) uses a TTS chip to receive data transmitted by the MCU circuit (3), converts the data into analog voice and outputs the voice through a loudspeaker, wherein the circuit consists of the TTS chip EU1 KFS303 3031CN and a voice power amplifier chip EU2LM4990 MM; the power supply is supplied by a power supply circuit (1) and is controlled by 4 pins TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD of an MCU circuit (3).
4. The remote voice player based on the nbiot transmission technology according to claim 1, wherein the MCU circuit (3) controls the power supplies of the voice playing circuit (2) and the nbiot circuit (4), is connected with the voice playing circuit (2) and the nbiot circuit (4) by using an asynchronous serial interface, receives text voice information transmitted from a server through the nbiot circuit (4), and then transmits the text voice information to the voice playing circuit (2), and the circuit consists of a low-power consumption MCU chip MU1 with the model number of STM32L053R8T6 and a program download interface MP 1; it communicates with nbiot circuit (4) through SPI interfaces CS _ WX, SCK, MOSI, and MISO signals; communicating with a voice playing circuit (2) through TTS _ TXD, TTS _ RXD, TTS _ RESET and TTS _ SD signals; and the power supplies of the voice playing circuit (2) and the nbiot circuit (4) are controlled through the C _ W and C _ E signals so as to reduce the overall power consumption.
5. The remote voice player based on the nbiot transmission technology is characterized in that the nbiot circuit (4) receives the voice text information transmitted by the server and then transmits the voice text information to the MCU circuit (3) through the SPI bus, wherein the circuit consists of an nbiot chip WU1, a SIM card circuit WU2, an antenna interface WP1 and peripheral circuits thereof; the model of the WU1 is SIM7020, the model of the WU2 is 6-pin flip type SIM card seat, the model of the WP1 is ANT-SMA5P, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit (1), and SPI interfaces CS, SCK, MOSI and MISO are adopted to communicate with a low-power consumption MCU circuit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054982.3U CN211719260U (en) | 2019-11-26 | 2019-11-26 | Remote voice player based on nbiot transmission technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054982.3U CN211719260U (en) | 2019-11-26 | 2019-11-26 | Remote voice player based on nbiot transmission technology |
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| Publication Number | Publication Date |
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| CN211719260U true CN211719260U (en) | 2020-10-20 |
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| CN201922054982.3U Active CN211719260U (en) | 2019-11-26 | 2019-11-26 | Remote voice player based on nbiot transmission technology |
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- 2019-11-26 CN CN201922054982.3U patent/CN211719260U/en active Active
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