CN112020011B - Remote real-time voice paging system - Google Patents

Remote real-time voice paging system Download PDF

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CN112020011B
CN112020011B CN202010768682.6A CN202010768682A CN112020011B CN 112020011 B CN112020011 B CN 112020011B CN 202010768682 A CN202010768682 A CN 202010768682A CN 112020011 B CN112020011 B CN 112020011B
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poc
dmr
module
output end
analog switch
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CN112020011A (en
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唐春燕
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Yunkai Intelligent Shenzhen Co ltd
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Yunkai Intelligent Shenzhen Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)

Abstract

The application relates to a remote real-time voice paging system, which comprises a DMR device, a POC device, a DMR-POC module, a POC-DMR module and an audio power amplifier module, wherein the DMR device comprises a DMR module and a DMR microphone, and the DMR module is connected with a DMR input end and a DMR output end; the POC device comprises a POC central processing unit and a POC microphone, wherein the POC central processing unit is connected with a transmitting module, a main receiving module, a grading receiving module, a WiFi/BT/positioning three-in-one communication module, a recording module, a POC input end and a POC output end. The application can expand the application scene of the interphone, and has the function of caching and playing; the system also can play a transfer function, so that the interphone of the DMR standard and the interphone of the POC of the public network can intercommunicate without the limitation of a communication range, and the function of bridging is realized.

Description

Remote real-time voice paging system
Technical Field
The application relates to the field of talkback communication, in particular to a remote real-time voice paging system.
Background
Dmr (digital Mobile radio) digital trunking communication standard is an open standard designed and formulated by ETSI (european telecommunications standards institute) to meet the requirements of Mobile communications for middle and low-end professional and commercial users in european countries. The conventional DMR interphone in the market at present refers to an interphone adopting the DMR standard. Compared with a traditional analog interphone, the DMR interphone can achieve better voice audio quality, the received audio noise is less, the sound is clearer, and the DMR interphone has better confidentiality. However, the conventional DMR interphone has limitations, and can only communicate within a certain communication range, and most of the conventional DMR interphones are limited in that the DMR standard interphone can only talk with the DMR standard interphone. The DMR interphone mainly realizes the real-time intercom function, and if the user cannot hear the intercom content in time, the DMR interphone has the problem of losing the voice information content.
Public network POC (Push-to-Talk Over Cellular) talkback refers to a mobile communication system for dispatching and commanding, which is established by depending on an operator mobile communication network. There is no distance limit during communication, but at present, POC communication can only be performed through hardware devices such as mobile phones that can be connected to the public network POC. Therefore, in order to break through the communication limitation of the DMR interphone, expand the use range of the DMR interphone and ensure that the user does not lose the content of the voice information, the present application provides a remote real-time voice paging system.
Disclosure of Invention
In order to break through the communication limitation of the interphone and ensure that a user cannot lose the content of voice information, the application provides a remote real-time voice paging system. The application can expand the application scene of the interphone, and has the function of caching and playing; the system also can play a transfer function, so that the interphone of the DMR standard and the interphone of the public network POC can intercommunicate without the limitation of a communication range, and the bridging function is realized.
The remote real-time voice paging system adopts the following technical scheme:
a remote real-time voice paging system comprises a DMR device, a POC device, a DMR-POC module, a POC-DMR module and an audio power amplification module, wherein the DMR device comprises a DMR module and a DMR microphone, the DMR module is connected with a DMR input end and a DMR output end, and the DMR microphone is connected with the DMR input end; the POC device comprises a POC central processing unit and a POC microphone, wherein the POC central processing unit is connected with a transmitting module, a main receiving module, a grading receiving module, a WiFi/BT/positioning three-in-one communication module, a recording module, a POC input end and a POC output end, and the POC microphone is connected with the POC input end; the input end of the DMR-POC module is connected with the DMR output end, the output end of the DMR-POC module is connected with the POC input end, the input end of the POC-DMR module is connected with the POC output end, and the output end of the POC-DMR module is connected with the DMR input end; the audio power amplifier module is connected with an audio power amplifier first analog switch, an audio power amplifier second analog switch and a loudspeaker, the audio power amplifier first analog switch is connected with the DMR output end, and the audio power amplifier second analog switch is connected with the POC output end.
By adopting the scheme, the real-time intercom communication with the interphone with the DMR standard is realized, and the communication quality of the DMR standard is ensured; the audio information is converted into audio information which can be received by the POC through the DMR-POC module, and the audio information is transmitted to the outside through the transmitting module, so that external hardware equipment which can be connected with the POC of the public network can receive the audio information; the audio information sent by the external hardware equipment is received through the main receiving module or the grading receiving module, the talkback communication connected with the public network POC is realized, or the audio information is converted into the audio information which can be received by the DMR through the POC-to-DMR module, the talkback communication is realized or the talkback communication is realized as the transit equipment to be talkback and intercommunicated with the external interphone with the DMR standard, so that the application scene of the interphone is enlarged, the interphone with the DMR standard and the interphone with the public network POC can be talkback and intercommunicated, the limitation of the communication range is avoided, and the bridging function is realized. The recording module realizes the function of caching and playing the audio information, can convert the real-time audio information of the DMR standard into the real-time audio information of the POC module through the DMR module and then realize storage, avoids the problem that the content of the voice information is lost because the real-time talkback content is not heard in time, and realizes the function of application extension. Through the trinity communication module of wiFi/BT/location, realize that wiFi, BT bluetooth and location sharing antenna carry out the effect that communicates, simplify the structure, the mode of extension intercom receiving and dispatching information plays the function of radio communication and location. The loudspeaker has the function of switching and playing the audio information of the DMR standard or playing the audio information of the public network POC through the audio power amplifier first analog switch and the audio power amplifier second analog switch. And audio input of the DMR standard is carried out through the DMR microphone, and audio input of the public network POC is carried out through the POC microphone.
Preferably, the POC to DMR conversion module is provided with a POC to DMR first analog switch, a POC to DMR voltage dividing circuit, and a POC to DMR second analog switch, the POC output terminal is connected to the POC to DMR voltage dividing circuit input terminal through the POC to DMR first analog switch, and the POC to DMR voltage dividing circuit output terminal is connected to the DMR input terminal through the POC to DMR second analog switch; the DMR-POC module is provided with a first DMR-POC analog switch, a first DMR-POC voltage division circuit and a second DMR-POC analog switch, the output end of the DMR is connected with the input end of the DMR-POC voltage division circuit through the first DMR-POC analog switch, and the output end of the DMR-POC voltage division circuit is connected with the input end of the POC through the second DMR-POC analog switch.
By adopting the scheme, when audio input is required to be carried out through the POC microphone, the voltage of the POC microphone is divided by the DMR-POC voltage dividing circuit, so that the problem that the volume of the audio input by the POC microphone is too small is caused. When the audio information conversion from POC to DMR is not needed, the conversion function from POC to DMR can be turned off by simultaneously turning off the first analog switch from POC to DMR and the second analog switch from POC to DMR.
When audio input is required to be carried out through the DMR microphone, the voltage of the DMR microphone is divided by the voltage dividing circuit switched from POC to DMR, so that the problem that the volume of the audio input by the DMR microphone is too small is caused. When audio information conversion from DMR to POC is not needed, the conversion function from DMR to POC can be turned off by simultaneously turning off the first DMR to POC analog switch and the second DMR to POC analog switch.
Preferably, the remote real-time voice paging system is further provided with a mode switching module, the mode switching module is connected with an earphone, and the POC output end and the DMR output end are both connected with the mode switching module.
By adopting the scheme, the earphone has the function of conducting the DMR device to play audio or conducting the POC device to play audio, and the mode switching module is used for switching the two functions.
Preferably, the POC device is equipped with an intelligent operating system and a display screen.
By adopting the scheme, the display screen interface is more in line with the habit of the user, and the function switching operation is convenient to carry out.
Preferably, the transmitting module adopts a VC7643-26 chip.
By adopting the chip, the fidelity of the efficiency of information transmission is ensured as a transmitting chip with WCDMA 3G and FDD 4G functions.
Preferably, the main receiving module adopts an SP16T TXM module.
By adopting the module, the function of a radio frequency amplifier is achieved, so that the main receiving module can improve the radio frequency output power and feed the radio frequency output power to the antenna for signal transmission, and the main receiving module has the function of signal transmission.
Preferably, the hierarchical receiving module adopts an ASM SP12T module. By adopting the module, the function of a radio frequency amplifier is achieved.
Preferably, the WiFi/BT/positioning three-in-one communication module adopts an MT6631 chip. By adopting the chip, the communication module realizes the functions of WiFi, BT Bluetooth and positioning common antenna, and the structure is simplified.
Preferably, the WiFi/BT/positioning three-in-one communication module adopts GPS satellite positioning or Beidou satellite positioning. The positioning precision of the application is guaranteed by adopting a GPS satellite to perform positioning or a Beidou satellite to perform positioning.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method and the device can realize real-time intercom communication with the interphone with the DMR standard, and ensure the communication quality of the DMR standard; the conversion of audio information between the DMR and the POC can be realized, so that external hardware equipment capable of being connected with the POC of the public network can realize talkback communication with the application by receiving and sending the audio information, and the application scene of the interphone is enlarged; the system also can play a transfer function, so that the interphone of the DMR standard and the interphone of the public network POC can intercommunicate without the limitation of a communication range, and the bridging function is realized.
2. The application has the function of caching and playing the audio information, avoids the problem that the content of the voice information is lost because the real-time talkback content is not heard in time, and realizes the function of application expansion.
3. The function of realizing that wiFi, BT bluetooth and location sharing antenna carry out communication simplifies the structure, and the mode of extension intercom receiving and dispatching information breaks through the restriction that the intercom of DMR standard can only carry out the intercom with the intercom of DMR standard, plays the function of radio communication and location.
Drawings
Fig. 1 is a schematic block diagram of the present application.
Fig. 2 is a circuit diagram of a DMR module according to the present application.
Fig. 3 is a circuit diagram of a POC-to-DMR module according to the present application.
Fig. 4 is a circuit diagram of a DMR-to-POC module according to the present application.
Fig. 5 is a circuit diagram of the MT6631 chip described in the present application.
Fig. 6 is a first partial circuit diagram of a WiFi/BT/location triple play communication module according to the present application.
Fig. 7 is a second partial circuit diagram of the WiFi/BT/positioning triple play communication module of the present application.
Fig. 8 is a third partial circuit diagram of the WiFi/BT/positioning triple play communication module of the present application.
Description of reference numerals: 1. a first analog switch for converting POC to DMR; 2. POC to DMR voltage division circuit; 3. a second analog switch for converting POC to DMR; 4. the DMR is converted into a POC first analog switch; 5. a DMR-POC voltage division circuit; 6. DMR changes POC second analog switch.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a remote real-time voice paging system, which comprises a DMR device, a POC device, a DMR-POC module, a POC-DMR module and an audio power amplifier module, wherein the DMR device comprises a DMR module and a DMR microphone, the DMR module is connected with a DMR input end and a DMR output end, and the DMR microphone is connected with the DMR input end; the POC device comprises a POC central processing unit and a POC microphone, wherein the POC central processing unit is connected with a transmitting module, a main receiving module, a grading receiving module, a WiFi/BT/positioning three-in-one communication module, a recording module, a POC input end and a POC output end, and the POC microphone is connected with the POC input end; the input end of the DMR-POC module is connected with the DMR output end, the output end of the DMR-POC module is connected with the POC input end, the input end of the POC-DMR module is connected with the POC output end, and the output end of the POC-DMR module is connected with the DMR input end; the audio power amplifier module is connected with an audio power amplifier first analog switch, an audio power amplifier second analog switch and a loudspeaker, the audio power amplifier first analog switch is connected with the DMR output end, and the audio power amplifier second analog switch is connected with the POC output end. Specifically, the DMR module is shown in fig. 2. The method and the device realize real-time intercom communication with the interphone with the DMR standard, and ensure the communication quality of the DMR standard; the audio information is converted into audio information which can be received by the POC through the DMR-POC module, and the audio information is transmitted to the outside through the transmitting module, so that external hardware equipment which can be connected with the POC of the public network can receive the audio information; the audio information sent by the external hardware equipment is received through the main receiving module or the grading receiving module, the talkback communication connected with the public network POC is realized, or the audio information is converted into the audio information which can be received by the DMR through the POC-to-DMR module, the talkback communication is realized or the talkback communication is realized as the transit equipment to be talkback and intercommunicated with the external interphone with the DMR standard, so that the application scene of the interphone is enlarged, the interphone with the DMR standard and the interphone with the public network POC can be talkback and intercommunicated, the limitation of the communication range is avoided, and the bridging function is realized. Specifically, the hardware device may be a mobile phone, a computer, a tablet computer, or the like, and the public network POC may be a network provided by an existing operator. The recording module realizes the function of caching and playing the audio information, can convert the real-time audio information of the DMR standard into the real-time audio information of the POC module through the DMR module and then realize storage, avoids the problem that the content of the voice information is lost because the real-time talkback content is not heard in time, and realizes the function of application extension. Through the trinity communication module of wiFi/BT/location, realize that wiFi, BT bluetooth and location sharing antenna carry out the effect that communicates, simplify the structure, the mode of extension intercom receiving and dispatching information plays the function of radio communication and location. The loudspeaker has the function of switching and playing the audio information of the DMR standard or playing the audio information of the public network POC through the audio power amplifier first analog switch and the audio power amplifier second analog switch. The main receiving module is used for receiving the 2G/3G/4G signal. The function of receiving 3G/4G signals is achieved through the hierarchical receiving module. And audio input of a DMR standard is carried out through a DMR microphone, and audio input of public network POC is carried out through a POC microphone. The audio power amplifier module adopts M6 sound source switching.
Referring to fig. 3, the POC to DMR conversion module is provided with a POC to DMR first analog switch 1, a POC to DMR voltage dividing circuit 2, and a POC to DMR second analog switch 3, wherein the POC output terminal is connected to the input terminal of the POC to DMR voltage dividing circuit 2 through the POC to DMR first analog switch 1, and the POC to DMR voltage dividing circuit 2 has an output terminal connected to the DMR input terminal through the POC to DMR second analog switch 3; referring to fig. 4, the DMR-to-POC module includes a DMR-to-POC first analog switch 4, a DMR-to-POC voltage divider circuit 5, and a DMR-to-POC second analog switch 6, wherein the DMR output terminal is connected to the input terminal of the DMR-to-POC voltage divider circuit 5 through the DMR-to-POC first analog switch 4, and the output terminal of the DMR-to-POC voltage divider circuit 5 is connected to the POC input terminal through the DMR-to-POC second analog switch 6. Specifically, the second DMR-to-POC analog switch 6 is turned off to block the connection between the POC microphone and the DMR-to-POC voltage divider circuit 5, so that the voltage division during audio input is avoided, and the volume of the input audio is prevented from being too small. The POC-to-DMR conversion function can be achieved by simultaneously switching off the POC-to-DMR first analog switch 1 and the POC-to-DMR second analog switch 3. By closing the second POC-to-DMR analog switch 3 for cutting off the connection between the DMR microphone and the voltage division circuit 2, the situation that the voltage is divided when audio is input is avoided, and the volume of the input audio is prevented from being too small. The first DMR-POC analog switch 4 and the second DMR-POC analog switch 6 are turned off at the same time, so that the conversion function of turning off the DMR-POC is achieved.
The remote real-time voice paging system is also provided with a mode switching module, the mode switching module is connected with an earphone, and the POC output end and the DMR output end are both connected with the mode switching module. The earphone has the function of conducting the DMR device to play audio or conducting the POC device to play audio, and the two functions are switched through the mode switching module.
The POC device is provided with an intelligent operating system and a display screen. The display screen interface is more in line with the habit of the user, and function switching operation is convenient to carry out.
The transmitting module adopts a VC7643-26 chip. By adopting the chip, the fidelity of the efficiency of information transmission is ensured as a transmitting chip with WCDMA 3G and FDD 4G functions.
The main receiving module adopts an SP16T TXM module. By adopting the module, the function of a radio frequency amplifier is achieved, so that the main receiving module can improve the radio frequency output power and feed the radio frequency output power to the antenna for signal transmission, and the main receiving module has the function of signal transmission.
The hierarchical receiving module adopts an ASM SP12T module. By adopting the module, the function of a radio frequency amplifier is achieved.
Referring to fig. 5, the WiFi/BT/positioning triple play communication module uses an MT6631 chip. By adopting the chip, the communication module realizes the functions of WiFi, BT Bluetooth and positioning common antenna, and the structure is simplified. The WiFi/BT/location triple play communication module portions are shown in fig. 6-8.
The WiFi/BT/positioning three-in-one communication module adopts GPS satellite positioning or Beidou satellite positioning. The positioning precision of the application is guaranteed by adopting a GPS satellite to perform positioning or a Beidou satellite to perform positioning.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A remote real-time voice paging system, characterized by: the device comprises a DMR device, a POC device, a DMR-POC module, a POC-DMR module and an audio power amplifier module, wherein the DMR device comprises a DMR module and a DMR microphone, the DMR module is connected with a DMR input end and a DMR output end, and the DMR microphone is connected with the DMR input end; the POC device comprises a POC central processing unit and a POC microphone, wherein the POC central processing unit is connected with a transmitting module, a main receiving module, a grading receiving module, a WiFi/BT/positioning three-in-one communication module, a recording module, a POC input end and a POC output end, and the POC microphone is connected with the POC input end; the input end of the DMR-to-POC module is connected with the DMR output end, the output end of the DMR-to-POC module is connected with the POC input end, the input end of the POC-to-DMR module is connected with the POC output end, and the output end of the POC-to-DMR module is connected with the DMR input end; the audio power amplifier module is connected with an audio power amplifier first analog switch, an audio power amplifier second analog switch and a loudspeaker, the audio power amplifier first analog switch is connected with the DMR output end, and the audio power amplifier second analog switch is connected with the POC output end;
the POC-to-DMR module is provided with a POC-to-DMR first analog switch (1), a POC-to-DMR voltage division circuit (2) and a POC-to-DMR second analog switch (3), the POC output end is connected with the input end of the POC-to-DMR voltage division circuit (2) through the POC-to-DMR first analog switch (1), and the output end of the POC-to-DMR voltage division circuit (2) is connected with the DMR input end through the POC-to-DMR second analog switch (3); the DMR-POC module is provided with a first DMR-POC analog switch (4), a first DMR-POC voltage division circuit (5) and a second DMR-POC analog switch (6), the output end of the DMR is connected with the input end of the DMR-POC voltage division circuit (5) through the first DMR-POC analog switch (4), and the output end of the DMR-POC voltage division circuit (5) is connected with the input end of the POC through the second DMR-POC analog switch (6);
the DMR-POC module converts the audio information into audio information which can be received by POC, and the audio information is transmitted to the outside through the transmitting module, so that external hardware equipment which can be connected with the POC of the public network can receive the audio information; the audio information sent by the external hardware equipment is received through the main receiving module or the grading receiving module, so that the talkback communication of public network POC connection is realized, or the audio information is converted into the audio information which can be received by the DMR through the POC-to-DMR module, so that the talkback communication is realized or the talkback communication is realized as the transfer equipment to be intercommunicated with the interphone of the external DMR standard.
2. The remote real-time voice paging system according to claim 1, wherein: the remote real-time voice paging system is also provided with a mode switching module, the mode switching module is connected with an earphone, and the POC output end and the DMR output end are both connected with the mode switching module.
3. The remote real-time voice paging system according to claim 1, wherein: and the POC device is provided with an intelligent operating system and a display screen.
4. The remote real-time voice paging system according to claim 1, wherein: the transmitting module adopts a VC7643-26 chip.
5. The remote real-time voice paging system according to claim 1, wherein: the main receiving module adopts an SP16T TXM module.
6. The remote real-time voice paging system according to claim 1, wherein: the hierarchical receiving module adopts an ASM SP12T module.
7. The remote real-time voice paging system according to claim 1, wherein: the WiFi/BT/positioning three-in-one communication module adopts an MT6631 chip.
8. The remote real-time voice paging system according to claim 1, wherein: the WiFi/BT/positioning three-in-one communication module adopts GPS satellite positioning or Beidou satellite positioning.
CN202010768682.6A 2020-08-03 2020-08-03 Remote real-time voice paging system Active CN112020011B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111385676A (en) * 2020-04-24 2020-07-07 深圳市公网时代科技有限公司 Device and method for switching talkback through public network gateway

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111385676A (en) * 2020-04-24 2020-07-07 深圳市公网时代科技有限公司 Device and method for switching talkback through public network gateway

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