CN213028030U

CN213028030U - Tunnel communication intercom system

Info

Publication number: CN213028030U
Application number: CN202021777692.8U
Authority: CN
Inventors: 王淑海
Original assignee: Shenzhen Hongpeng Energy Technology Co ltd
Current assignee: Shenzhen Hongpeng Energy Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-20
Anticipated expiration: 2030-08-21

Abstract

The embodiment of the utility model discloses a tunnel communication intercom system, which comprises an interphone and a plurality of base stations arranged at different positions of a tunnel; the interphone is communicated with the base stations through the optical fibers to achieve the talkback function, long-distance communication in the tunnel is achieved, and efficient communication talkback of the whole tunnel is achieved through the arrangement of the base stations.

Description

Tunnel communication intercom system

Technical Field

The utility model relates to a tunnel communication transmission technical field especially relates to a tunnel communication intercom system.

Background

As the times have progressed, each city is more convenient for citizens, and thus subways have begun to be built. During the subway construction, constructors do not have any network coverage when constructing underground, therefore all use intercom to communicate, the multipath effect inside the tunnel is serious, and the distance of several kilometers can be transmitted on the ground, but the underground can only have several hundred meters. If a driver transporting muck derails during the excavation of the subway tunnel, no one can know the current situation immediately and the driver needs to walk to the opening to contact the ground to send people to use a machine for processing. In addition, when the distance of the underground interphone is limited and no network exists, the information is not timely due to emergency, and a major problem occurs.

Therefore, it is desirable to provide a tunnel communication intercom system capable of ensuring the effect of tunnel communication.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a tunnel communication intercom system, and the system realizes long-distance communication in a tunnel through a plurality of base stations and ensures the communication effect.

A tunnel communication intercom system, comprising:

the system comprises an interphone and a plurality of base stations which are arranged at different positions of a tunnel;

the interphone is communicated with the base station through optical fibers to achieve the talkback function.

In one embodiment, the base station includes a first MCU unit, a first power supply, a first analog intercom transceiver circuit unit, a first audio codec unit, a 2.4G transceiver circuit unit, and an RJ45 information socket connector, the first MCU unit is electrically connected to the first power supply, the first analog intercom transceiver circuit unit, the first audio codec unit, the 2.4G transceiver circuit unit, and the RJ45 information socket connector, respectively, and the base station communicates with the intercom through the first analog intercom transceiver circuit unit.

In one embodiment, the intercom includes a second MCU unit, a second power supply, a second analog intercom transceiver circuit unit, and a second audio codec unit, the second MCU unit is electrically connected to the second power supply, the second analog intercom transceiver circuit unit, and the second audio codec unit, respectively, and the intercom communicates with the base station through the second analog intercom transceiver circuit unit.

In one embodiment, the chip of the 2.4G transceiver circuit unit is Nordic 52832.

In one embodiment, the chip of the first analog talkback transceiver circuit unit is AT1846S, and the chip of the first MCU unit is STM32F 407.

In one embodiment, the interphone is a digital-analog dual-mode interphone.

In one embodiment, the frequency of the interphone is 2.4G.

In one embodiment, the position of the base station is set according to the maximum communication distance of the interphone.

In one embodiment, the optical fiber is a fiber ring network.

In one embodiment, the tunnel communication intercom system further comprises a UPS power supply for supplying power.

The tunnel communication intercom system comprises an intercom and a plurality of base stations which are arranged at different positions of a tunnel; the interphone is communicated with the base stations through the optical fibers to achieve the talkback function, long-distance communication in the tunnel is achieved, and efficient communication talkback of the whole tunnel is achieved through the arrangement of the base stations.

Drawings

In order to illustrate an embodiment or a technical solution in the prior art more clearly, the drawings needed to be used in the description of the embodiment or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for a person skilled in the art to obtain other drawings without creative efforts.

Wherein:

fig. 1 is a schematic diagram of an architecture of a tunnel intercom system according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1, in one embodiment, there is provided a tunneling intercom system 100 comprising:

an interphone 102 and a plurality of base stations 104 installed at different positions of a tunnel; the intercom 102 will communicate with the base station 104 through optical fiber to implement the intercom function.

The base stations 104 are all disposed at different positions of the tunnel, for example, the base station located in the monitoring room in the tunnel is used for allowing the monitoring room personnel to receive talkback voice of the constructors located in the hole where the tunnel works and send the voice to the constructors in the tunnel. When a monitoring room person makes a call through the interphone 102, the monitoring room base station receives voice data, demodulates the voice data, samples and codes the voice data into digital signals, the digital signals are transmitted to each base station through an optical fiber network, each base station restores the voice data after receiving the voice data, and then the voice data are transmitted to the air through modulation, so that a constructor can receive the voice data, namely the signals of the interphone 102, as long as the frequency of the base station 104 is consistent, and then demodulates the voice of the monitoring room person through the interphone 102, so that the constructor in a tunnel can monitor the signals of the monitoring room staff, namely, long-distance communication in the tunnel is realized.

The tunnel communication intercom system comprises an interphone 102 and a plurality of base stations 104 which are arranged at different positions of a tunnel; the interphone 102 communicates with the base station 104 through optical fibers to realize an intercom function, long-distance communication in a tunnel is realized, and efficient communication intercom in the whole tunnel is realized through the arrangement of the base stations.

In one embodiment, the base station comprises a first MCU unit, a first power supply, a first analog talkback transceiver circuit unit, a first audio codec unit, a 2.4G transceiver circuit unit and an RJ45 information socket connector, wherein the first MCU unit is electrically connected to the first power supply, the first analog talkback transceiver circuit unit, the first audio codec unit, the 2.4G transceiver circuit unit and the RJ45 information socket connector, respectively, and the base station communicates with the interphone through the first analog talkback transceiver circuit unit.

The base station comprises a first MCU unit, a first power supply, a first analog talkback transceiving circuit unit, a first audio coding and decoding unit, a 2.4G transceiving circuit unit and an RJ45 information socket connector, wherein the first MCU unit is used for processing information received by the base station, such as receiving voice data, demodulating the voice data and the like; the first power supply is used for supplying power to the base station; the first analog talkback transceiving circuit unit, the first audio encoding and decoding unit, the 2.4G transceiving circuit unit and the RJ45 information socket connector are electrically connected and are all used for processing received voice signals, and the base station communicates with the interphone through the first analog talkback transceiving circuit unit.

In a specific embodiment, the base station broadcasts the current IP address and the transceiver frequency of the intercom once every preset time in the operating state through 2.4G, after the intercom is powered on and receives corresponding data through 2.4G, the RSSI is analyzed to judge which base station the intercom is nearby currently, and the intercom transceiver frequency of the nearest base station is switched to realize the function of automatically switching frequency points.

In one embodiment, the interphone comprises a second MCU unit, a second power supply, a second analog interphone transceiver circuit unit and a second audio codec unit, wherein the second MCU unit is electrically connected with the second power supply, the second analog interphone transceiver circuit unit and the second audio codec unit respectively, and the interphone communicates with the base station through the second analog interphone transceiver circuit unit.

The interphone comprises a second MCU unit, a second power supply, a second analog interphone transceiving circuit unit and a second audio coding and decoding unit, wherein the second MCU unit is used for processing voice data sent by the interphone.

In a specific embodiment, when the interphone sends voice, the base station receives the voice sent by the interphone for demodulation through the second analog interphone transceiving circuit unit, converts the voice into data and sends the data to the optical fiber ring network, and after other base stations receive the voice data, the data are converted into audio data and then modulated into wireless signals, and then other interphones can receive the data.

The Nordic 52832 chip has a strong calculation function, so that the running speed of the first MCU unit can be increased, and the efficiency of the interphone in processing voice data can be increased.

In one embodiment, the chip of the first analog intercom transceiver circuit unit is AT1846S, and the chip of the first MCU unit is STM32F 407.

Specifically, in order to ensure better voice data processing efficiency, the chip of the first analog intercom transceiver circuit unit is AT1846S, and the chip of the first MCU unit is STM32F 407.

In one embodiment, the intercom is a digital-analog dual-mode intercom.

The analog dual-mode interphone has stronger compatibility and higher-quality voice experience, so that the talkback communication effect of the interphone can be improved.

In one embodiment, the intercom frequency is 2.4G.

In one embodiment, the location of the base station is set according to the maximum communication distance of the intercom.

Specifically, the position of the base station is set according to the maximum communication distance of the interphone, so that the number of the base stations can be reduced on the premise of ensuring the communication effect, and the cost is reduced.

In one embodiment, the optical fiber is a fiber ring network.

The optical fiber ring network is used for preventing any connecting line in the optical fiber network from being broken and influencing network safety hidden dangers brought by one region in connection. It can prevent one connection from being failed to affect the whole network, so that the network is in a redundancy mode. The optical fiber ring network has the advantages of being the most advanced network topology structure at present, good in self-healing function, strong in viability, stable in network transmission, high in reliability and the like.

In one embodiment, the tunneling intercom system further includes a UPS power source for supplying power.

The tunnel communication intercom system further comprises a UPS used for supplying power.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A tunnel communication intercom system, comprising:

2. The system of claim 1, wherein the base station comprises a first MCU unit, a first power source, a first analog intercom transceiver circuit unit, a first audio codec unit, a 2.4G transceiver circuit unit, and an RJ45 information socket connector, the first MCU unit is electrically connected to the first power source, the first analog intercom transceiver circuit unit, the first audio codec unit, the 2.4G transceiver circuit unit, and the RJ45 information socket connector, and the base station communicates with the intercom via the first analog intercom transceiver circuit unit.

3. The tunnel communication intercom system according to claim 1, wherein said intercom includes a second MCU unit, a second power supply, a second analog intercom transceiver circuit unit, and a second audio codec unit, said second MCU unit is electrically connected to said second power supply, said second analog intercom transceiver circuit unit, and said second audio codec unit, respectively, and said intercom communicates with said base station through said second analog intercom transceiver circuit unit.

4. The tunneling intercom system according to claim 2, wherein the chip of the 2.4G transceiver circuit unit is Nordic 52832.

5. The tunnel communication intercom system according to claim 2, wherein the chip of the first analog intercom transceiver circuit unit is AT1846S, and the chip of the first MCU unit is STM32F 407.

6. The tunneling intercom system according to claim 1, wherein said intercom is a digital-analog dual-mode intercom.

7. The tunneling intercom system according to claim 1, wherein the intercom has a frequency of 2.4G.

8. The tunneling intercom system according to claim 1, wherein the location of the base station is set according to a maximum communication distance of the intercom.

9. The tunneling intercom system of claim 1, wherein the optical fiber is a fiber ring network.

10. The tunneling intercom system of claim 1, further comprising a UPS power source for supplying power.