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Bus broadcast intercom system

An intercom system and bus technology, which is applied to the two-party line system station, transmission system, automatic exchange office, etc., can solve the problems of cumbersome operation, inconvenient for personnel, complicated lines, etc., and achieves simple installation and deployment, convenient use and operation. , Realize the effect of outside line networking function

Inactive Publication Date: 2017-05-31
JIANGSU HIMARK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a bus broadcast intercom system, which solves the technical problems in the prior art that the lines are too complicated, the operation is cumbersome, and it is not convenient for personnel to use in critical situations;

Method used

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  • Bus broadcast intercom system

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Embodiment

[0030] A bus broadcast intercom system, including a center bus switch 1, a terminal 2, a multi-channel audio bus 3, and a telephone relay module 4. The audio bus 3 is connected to the center bus switch 1, and the audio bus 3 is connected at intervals There is a bus socket 5, the central bus switch 1 is provided with the telephone relay module 4, and the terminal 2 is connected to the bus socket 5;

[0031] Wherein, the audio bus 3 is three-way, which can be divided into three directions, so that multi-directional communication can be realized.

[0032] Further, the audio bus 3 includes an audio internal line 7 and an audio external line 8. Both the audio internal line 7 and the audio external line 8 are connected to the central bus switch 1, which can facilitate internal and external communication.

[0033] Wherein, the central bus switch 1 includes three bus interfaces 9 and a program-controlled switch interface 10. The bus interface 9 is connected to an audio internal line 7, and t...

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Abstract

The invention discloses a bus broadcast intercom system, comprising a central bus switcher, a terminal, a multi-channel audio bus and a telephone relay module, wherein the audio bus is connected with the central bus switcher, bus sockets are connected to the audio bus at intervals, the telephone relay module is arranged on the central bus switcher, and the terminal is connected with the bus sockets. According to the bus broadcast intercom system disclosed by the invention, the technical problems that the circuit is too complicated, the operation is complex, and people cannot conveniently use the system in emergency situations in the prior art can be solved.

Description

Technical field [0001] The invention relates to the technical field of communication devices, in particular to a bus broadcast intercom system. Background technique [0002] The transmission distance of the prior art telephone exchange is about 1000 meters, and the enhanced circuit board can reach 3000 meters or more, but it is a central star connection type, which is not suitable for special occasions, especially not suitable for use in mines such as mines. Or underground passages, and the lines are complicated, so accurate communication or situation reporting cannot be achieved. [0003] The application publication number is: CN 105471536 A patent: a broadcasting system control circuit, the circuit includes a first power isolation module and a second power isolation module connected to the power end, the second power isolation module is connected to the priority judgment module Power supply, the priority judgment module is connected to and detects the voltage on the UIC5 and UIC...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q5/24H04B1/3827H04M3/18H04M1/60
CPCH04Q5/24H04B1/3827H04M1/6016H04M3/18
Inventor 任广阔
Owner JIANGSU HIMARK TECH
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