CN212086503U

CN212086503U - Device for realizing remote talkback function by using Bluetooth and mobile network

Info

Publication number: CN212086503U
Application number: CN202020801065.7U
Authority: CN
Inventors: 杨飞
Original assignee: Shenzhen Ruwen Technology Co ltd
Current assignee: Shenzhen Ruwen Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-04
Anticipated expiration: 2030-05-14

Abstract

The application discloses utilize bluetooth and mobile network to realize device of long distance function of talkbacking, include: the Bluetooth device comprises a Bluetooth device end and a mobile device end; the bluetooth equipment end includes: the device comprises a device body, a coder-decoder module, a PPT button and a first Bluetooth module, wherein the coder-decoder module, the PPT button and the first Bluetooth module are arranged in the device body, and the coder-decoder module is in signal transmission connection with the first Bluetooth module; the mobile equipment end comprises: the wireless communication module, the second Bluetooth module and the talkback module are respectively connected with the MCU, the wireless communication module is in wireless signal transmission connection with an external mobile terminal, the PPT button generates a PPT instruction to control the talkback module, and the talkback module is in Bluetooth communication connection with the first Bluetooth module through the second Bluetooth module. The utility model has the advantages that: the novel interphone has the advantages of being simple in structure, solving the problems of large power consumption and single function in the prior art, and being unlimited in talkback distance.

Description

Device for realizing remote talkback function by using Bluetooth and mobile network

Technical Field

The utility model relates to an utilize bluetooth and mobile network to realize device of remote function of talkbacking.

Background

In the prior art, the FM interphone which realizes the talkback function by communicating through broadcast signals has the advantages of limited talkback distance, large power consumption, limited service time and single function.

Disclosure of Invention

An object of the utility model is to overcome the aforesaid not enough, provide an utilize bluetooth and mobile network to realize the device of remote function of talkbacking, solve the very big and problem of function singleness of prior art consumption.

In order to realize the purpose, the utility model discloses a technical scheme be: an apparatus for implementing a remote intercom function using bluetooth and a mobile network, comprising: the Bluetooth device comprises a Bluetooth device end and a mobile device end;

the bluetooth device side includes: the device comprises a device body, a coder-decoder module, a PPT button and a first Bluetooth module, wherein the coder-decoder module, the PPT button and the first Bluetooth module are arranged in the device body, and the coder-decoder module is in signal transmission connection with the first Bluetooth module;

the mobile device side includes: the mobile terminal comprises an MCU, a wireless communication module, a second Bluetooth module and an intercom module, wherein the wireless communication module, the second Bluetooth module and the intercom module are respectively connected with the MCU, and the wireless communication module is in wireless signal transmission connection with an external mobile terminal;

the PPT button generates a PPT instruction to control the talkback module, and the talkback module is in Bluetooth communication connection with the first Bluetooth module through the second Bluetooth module.

The utility model has the advantages that:

simple structure includes: the Bluetooth device comprises a Bluetooth device end and a mobile device end; the bluetooth device side includes: the device comprises a device body, a coder-decoder module, a PPT button and a first Bluetooth module, wherein the coder-decoder module, the PPT button and the first Bluetooth module are arranged in the device body, and the coder-decoder module is in signal transmission connection with the first Bluetooth module; the mobile device side includes: the mobile phone comprises an MCU, a wireless communication module, a second Bluetooth module and an intercom module, wherein the wireless communication module, the second Bluetooth module and the intercom module are respectively connected with the MCU, the wireless communication module is in wireless signal transmission connection with an external mobile terminal, a PPT button generates a PPT instruction to control the intercom module, and the intercom module is in Bluetooth communication connection with the first Bluetooth module through the second Bluetooth module. The problems of large power consumption and single function in the prior art are solved, the talkback distance is not limited, and the mobile network can be used in places with mobile networks; because adopt mobile network to transmit, the intercom signal can not receive external signal interference, and tone quality is more clear.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of the device for implementing a remote intercom function by using bluetooth and a mobile network according to the present invention;

fig. 2 is a circuit diagram of an embodiment of the bluetooth device terminal of the present invention.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

Referring to fig. 1, the present invention provides a device for implementing remote intercom function by using bluetooth and mobile network, including: the Bluetooth device comprises a Bluetooth device end and a mobile device end;

In one embodiment, the mobile device side includes an APP module, configured to send data to the bluetooth device side or receive data of the bluetooth device side.

In one embodiment, the data information transmitted by the APP module to the bluetooth device side is one or more of voice information, text information, picture information, and video information.

In one embodiment, the wireless communication module includes: the data transmitter is connected with the data receiver, and the output end of the data receiver is connected with the codec module.

In one embodiment, the first bluetooth module includes a signal receiver connected to a signal amplifier.

In one embodiment, the signal amplifier includes: an amplifying circuit, a tuning circuit and a filter. .

In one embodiment, a system solution for realizing the talkback function by using a mobile network to transmit long-distance sound signals and using a Bluetooth signal to transmit short-distance sound signals and realizing sound coding and decoding, sound collection and sound playing through a Bluetooth terminal.

In one embodiment, the APP module is used for realizing the transmission and processing of signals from a Bluetooth hardware end to a mobile device end and from the mobile device end to a mobile network.

In one embodiment, the APP module can be used by speaking alone or connecting with hardware.

In one embodiment, a conferencing mode may be supported in which multiple people have simultaneous online conversations.

In one embodiment, the PTT button of the bluetooth device is a transmission switch, and a call can be made by pressing one button, and when the PTT button is pressed, a PTT instruction signal generated by the button starts a transmission function of the intercom module, and data information can be transmitted to an external mobile terminal through conversion of the microphone, the MCU, and the intercom module.

In one embodiment, the mobile device further sets a frequency adjustment button, switches frequencies within a certain range as required, sets the frequency of the intercom module to be a corresponding legally usable frequency point, and can select different frequency points within the set frequency point range.

In one embodiment, the bluetooth device side is further provided with a volume adjusting button, and the sound of the loudspeaker is controlled by generating an instruction and analyzing and processing the signal. The volume adjustment button is arranged on the Bluetooth device body.

In one embodiment, the mobile device end is further provided with a switch button for controlling the on/off of the circuit in the talkback module.

In one embodiment, the data transmitter receives the audio/video signal which is a wireless signal based on the WIFI2.4G/5.8G frequency band, transmits the audio/video signal to the data receiver, and outputs the audio/video signal to the codec module through the interface module.

In one embodiment, the codec module is connected with a DRAM memory to facilitate storing audio and video data information.

In one embodiment, the codec module is connected with a card reader, so that the audio and video data information can be conveniently read.

As a specific embodiment, please refer to fig. 2, the codec module U2 employs an MC145483 codec chip, the MC145483 codec chip is a 13-bit linear pulse code modulation chip, and is directly connected to the first bluetooth module through a 13-bit bidirectional pulse code modulation interface, specifically, the OUT pin of the first bluetooth module U1 is connected to the DR pin of the codec module U2, the IN pin is connected to the DT pin of the codec module U2, the SYNC pin is connected to the FST pin and the FSR pin of U2, the CLK pin is connected to the MCLK pin and the BCLKT pin of U2, the BCLKR pin of U2 is connected to a capacitor C24, the VDD pin of U2 is connected to a capacitor C25, the R0 pin of U2 is connected to a resistor R5, the P1 pin is connected to a resistor R6, the T1 pin is connected to a capacitor C19, resistors R7 and R9, and the VA0 pin is connected to a capacitor C20, a resistor R8 and R10. MC145483 may drive the microphone and speaker directly. Resistors R5, R6 set the headset gain. The adjustment of the volume level may be implemented by software.

As a specific example, R5 or R6 is compensated by an RC network to reduce the frequency response of the codec module to the speaker and microphone. The inclusion of a switched capacitor filter in MC145483 limits the audio coming from the microphone. The internal high pass filter reduces airflow or noise from the microphone.

As a specific example, R14 biases the microphone, and C21 and C22 provide a dc block between the microphone and the microphone amplifier. C19 and C20 clean up high frequency noise in the microphone amplifier. The balance separation network composed of R7, R8, R9 and R10 determines the gain of the microphone.

As a specific embodiment, the bluetooth device side realizes the picking up and playing out of sound: when the sound is emitted, the sound collection, the Bluetooth coding and the transmission are completed; when receiving, the receiving, decoding and sound playing of the Bluetooth signal are completed.

As a specific embodiment, the mobile device side implements encoding and decoding and wireless signal transmission of a bluetooth signal received from the bluetooth device side through the APP module, and simultaneously receives a wireless communication signal from another external mobile terminal and transmits the wireless communication signal to the bluetooth device side.

The utility model has the advantages that:

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. An apparatus for implementing a remote intercom function using bluetooth and a mobile network, comprising: the Bluetooth device comprises a Bluetooth device end and a mobile device end;

2. The apparatus of claim 1, wherein the mobile device comprises an APP module for sending data to the bluetooth device or receiving data from the bluetooth device.

3. The apparatus for implementing a long-distance intercom function using bluetooth and a mobile network as claimed in claim 2, wherein the data information transmitted from the APP module to the bluetooth device is one or more of voice information, text information, picture information, and video information.

4. The apparatus for implementing a long-range intercom function using bluetooth and a mobile network according to claim 1, wherein said wireless communication module comprises: the data transmitter is connected with the data receiver, and the output end of the data receiver is connected with the codec module.

5. The apparatus for implementing the long-range intercom function using bluetooth and a mobile network as claimed in claim 1, wherein said codec module is connected with a DRAM memory.

6. The device for implementing the long-distance intercom function by utilizing Bluetooth and a mobile network as claimed in claim 1, wherein a card reader is connected to the codec module.

7. The device for implementing long-range intercom function using bluetooth and a mobile network as claimed in claim 1, wherein said first bluetooth module includes a signal receiver, and said signal receiver is connected to a signal amplifier.

8. The apparatus for implementing a long-range intercom function using bluetooth and a mobile network according to claim 7, wherein said signal amplifier comprises: an amplifying circuit, a tuning circuit and a filter.

9. The apparatus of claim 1, wherein the codec module is MC145483 codec chip U2.

10. The apparatus of claim 9, wherein the first bluetooth module has an OUT pin for output, an IN pin for input, an SYNC pin for synchronization, and a CLK pin for clock, wherein the OUT pin is connected to a DR pin of the MC145483 codec chip U2, the IN pin is connected to a DT pin of the MC145483 codec chip U2, the SYNC pin is connected to an FST pin and an FSR pin of the MC145483 codec chip U2, the CLK pin is connected to an MCLK pin and a BCLKT pin of the MC145483 codec chip U2, the BCLKR pin of the MC145483 codec chip U2 is connected to a capacitor C24, the VDD pin of the MC145483 codec chip U2 is connected to a capacitor C25, the R0 pin of the MC145483 codec chip U2 is connected to a resistor R5, the P42 pin of the 14542 of the 145393984, the resistor R6 pin of the 145483 codec chip U2 is connected to a resistor R4624, the resistor 59r 24, the resistor 59va resistor 599, the resistor 59va.