CN110011889B - Fire-fighting emergency communication system and fire-fighting emergency communication method - Google Patents

Fire-fighting emergency communication system and fire-fighting emergency communication method Download PDF

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Publication number
CN110011889B
CN110011889B CN201910166634.7A CN201910166634A CN110011889B CN 110011889 B CN110011889 B CN 110011889B CN 201910166634 A CN201910166634 A CN 201910166634A CN 110011889 B CN110011889 B CN 110011889B
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fire
audio signal
emergency communication
audio
signal
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CN110011889A (en
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宋佳城
万跃敏
靳东风
郭书银
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Tanda Technology Co ltd
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Tanda Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Abstract

A fire emergency communication system and a fire emergency communication method are provided, wherein the fire emergency communication system comprises a plurality of fire emergency communication devices, two adjacent fire emergency communication devices are communicated with each other to form a ring network, the fire emergency communication devices collect audio of a user and convert the audio of the user into a first audio signal, and a second audio signal stored in advance is read according to the first audio signal; the fire-fighting emergency communication equipment also transmits the first audio signal to the adjacent fire-fighting emergency communication equipment and receives a third audio signal output by the adjacent fire-fighting emergency communication equipment, wherein the third audio signal is obtained by acquiring the audio of the user and converting the audio of the user by the other fire-fighting emergency communication equipment; the fire emergency communication equipment also plays at least one of the first audio signal, the second audio signal and the third audio signal; the fire-fighting emergency communication system in the embodiment of the invention adopts ring network communication, thereby ensuring the safety and stability of fire-fighting emergency communication.

Description

Fire-fighting emergency communication system and fire-fighting emergency communication method
Technical Field
The invention belongs to the technical field of fire-fighting communication, and particularly relates to a fire-fighting emergency communication system and a fire-fighting emergency communication method.
Background
At present, fire safety becomes the focus of safety concern of daily life of people, particularly in urban living environments, the living environments of people become more and more dense, and the fire safety of high-rise buildings plays a great role in the life and property safety of people; when a high-rise residence is in fire, if people cannot get contact with the five external world, people cannot obtain external rescue, and thus disastrous fire-fighting accidents can be caused; therefore, when a fire safety accident happens, the smooth operation of communication is kept, and the method has very important practical significance for fire rescue; people can get in touch with external rescuers through the fire communication system to find the optimal escape passage, meanwhile, the fire communication system can help external managers organize the fire fighters to extinguish the fire in time, the specific situation of indoor fire and the distribution situation of trapped people can be known through the fire communication system, the optimal rescue time is provided for rescuing the trapped people in the fire, and the safety of lives and properties of people is guaranteed as much as possible; how to keep the communication safety of the fire-fighting communication system during the fire has become an important development direction for fire rescue.
When a fire disaster occurs, the fire-fighting accident site environment is extremely severe, and the related electronic equipment is under high temperature and high pressure, and people pull and other factors, so that great damage can be caused, and complete paralysis of fire-fighting communication can be caused in serious cases; therefore, the fire-fighting communication system in the traditional technology cannot bear the severe environment when a fire disaster occurs, if a certain part in the fire-fighting communication system is damaged, the fire-fighting communication function of the fire-fighting communication system is completely paralyzed, the stability and reliability of communication are extremely poor, and the communication interruption phenomenon is easy to occur; moreover, the traditional fire fighting communication system has a single function, users can only communicate one to one, the communication quality is poor, even communication failure and other conditions occur, the users cannot get timely contact with external rescue workers through the fire fighting communication system, and managers cannot provide uniform guidance suggestions for fire trapped people; therefore, the fire-fighting communication system in the traditional technology has lower safety and reliability, is difficult to be generally applicable, brings great inconvenience to the rescue work of fire disasters, and has low practical value.
Disclosure of Invention
In view of this, the embodiment of the invention provides a fire-fighting emergency communication system and a fire-fighting emergency communication method, and aims to solve the problems that in the traditional technical scheme, the security and reliability of the fire-fighting emergency communication system are low, fire-fighting communication faults are easy to occur, the fire-fighting communication quality is poor, and inconvenience is brought to fire-fighting rescue work of managers.
A first aspect of an embodiment of the present invention provides a fire emergency communication system, including a plurality of fire emergency communication apparatuses, wherein two adjacent fire emergency communication apparatuses communicate with each other to form a ring network, wherein:
the fire emergency communication equipment is configured to collect the audio frequency of a user, convert the audio frequency of the user into a first audio signal and read a second audio signal stored in advance according to the first audio signal;
the fire emergency communication device is also configured to transmit the first audio signal to an adjacent fire emergency communication device and receive a third audio signal output by the adjacent fire emergency communication device, wherein the third audio signal is obtained by acquiring and converting the audio of a user by the other fire emergency communication device;
the fire emergency communication device is further configured to play at least one of the first audio signal, the second audio signal, and the third audio signal.
In one embodiment, any two adjacent fire emergency communication devices communicate with each other through Ethernet or optical fiber.
In one embodiment, each of the fire emergency communication devices includes: the voice monitoring system comprises a voice acquisition module, a coding and decoding module, a communication module, a control module and a loudspeaker module;
the voice acquisition module, the control module and the loudspeaker module are connected with the communication module;
the voice acquisition module is used for acquiring the audio frequency of the user;
the coding and decoding module is used for coding the audio of the user to obtain the first audio signal;
the communication module is used for receiving a third audio signal output by the adjacent fire-fighting emergency communication equipment and sending the first audio signal to the adjacent fire-fighting emergency communication equipment;
the control module is used for receiving the first audio signal and the third audio signal and reading a second audio signal stored in advance when the first audio signal is received; the control module is further configured to output any one of the first audio signal, the second audio signal and the third audio signal to the encoding and decoding module;
the coding and decoding module is further configured to decode the first audio signal to obtain a first voice signal, decode the second audio signal to obtain a second voice signal, and decode the third audio signal to obtain a third voice signal;
the loudspeaker module is used for playing at least one of the first voice signal, the second voice signal and the third voice signal under the control of the control module.
In one embodiment, the fire emergency communication device further comprises: a first storage module and a second storage module;
the first storage module is used for storing the first audio signal;
the second storage module is used for storing the second audio signal.
In one embodiment, the communication module further comprises: a switch unit and a transmission unit.
The switch unit is connected between the control module and the transmission unit and used for transmitting the first audio signal to the transmission unit and transmitting the third audio signal to the control module;
the transmission unit is used for communicating with adjacent fire-fighting emergency communication equipment, accessing a third audio signal output by the adjacent fire-fighting emergency communication equipment, and transmitting the first audio signal to the adjacent fire-fighting emergency communication equipment.
In one embodiment thereof, the switch unit comprises a switch chip;
the transmission unit comprises at least one RJ45 interface.
In one embodiment, the fire emergency communication device further comprises: the power amplification module is connected between the coding and decoding module and the loudspeaker module, and amplifies the first voice signal, the second voice signal or the third voice signal.
In one embodiment, the fire emergency communication device further comprises: an IIS bus; the IIS bus is connected between the coding and decoding module and the control module, and the coding and decoding module is communicated with the control module through the IIS bus.
A second aspect of an embodiment of the present invention provides a fire emergency communication method, including:
collecting audio of a user;
coding the audio of the user to obtain a first audio signal, and simultaneously reading a second audio signal which is stored in advance;
receiving a third audio signal;
decoding the first audio signal to obtain a first voice signal, decoding the second audio signal to obtain a second voice signal, or decoding the third audio signal to obtain a third voice signal;
playing at least one of the first voice signal, the second voice signal and the third voice signal.
In one embodiment, before playing any one of the first voice signal, the second voice signal, and the third voice signal, the method further includes:
amplifying the first voice signal, the second voice signal or the third voice signal.
The fire-fighting emergency communication system comprises a plurality of cascaded fire-fighting emergency communication devices, and the plurality of fire-fighting emergency communication devices form a ring network together, so that bidirectional information interaction can be realized between any two fire-fighting emergency communication devices, and the efficiency and the precision of signal interaction are extremely high; when a fire disaster occurs, the voice information of the user can be collected in real time through the fire-fighting emergency communication equipment, and the distribution and rescue conditions of the user in the fire disaster scene can be accurately obtained according to the voice information; and the fire emergency communication equipment can transmit a first audio signal to another adjacent fire emergency communication equipment to realize an audio communication function; the fire emergency communication equipment reads a second audio signal, wherein the second audio signal comprises corresponding broadcast information, and the second audio signal can be used for synchronously playing pre-audio broadcast rescue information for the user so as to provide rescue guidance for the user at a fire accident site and assist the user in timely taking self-rescue measures to reduce the casualty rate; meanwhile, the fire-fighting emergency communication equipment can access a third audio signal output by adjacent fire-fighting emergency communication equipment, and the fire-fighting emergency communication equipment can identify external audio information so as to ensure that the audio signal of the fire-fighting emergency communication system is compatible with the communication function; therefore, the fire emergency communication equipment in the embodiment can play the first audio signal, the second audio signal or the third audio signal according to actual needs, so that the interactive communication function of the fire emergency communication system is greatly improved, and the actual communication requirements of users are met; furthermore, the communication equipment in the embodiment can perform annular communication, if one communication equipment in the annular network has a communication fault, other communication equipment can still keep a normal communication function, so that the communication safety and reliability of the fire-fighting emergency communication system in the embodiment are greatly guaranteed; the second audio signal can uniformly perform broadcast communication to the users, voice guide information is synchronously provided for the users, the fire fighting communication efficiency is guaranteed, the users evacuate orderly according to the broadcast information in the second audio signal, and great convenience and simplicity are brought to rescue work of managers; and the fire-fighting emergency communication system is simple in structure and high in compatibility, can be widely applied to different industrial environments, and improves the fire prevention safety level.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a fire emergency communication system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fire emergency communication device according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a fire emergency communication device according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a fire emergency communication device according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a fire emergency communication device according to an embodiment of the present invention;
fig. 6 is a circuit structure diagram of a coding/decoding module according to an embodiment of the present invention;
fig. 7 is a circuit structure diagram of a power amplification module according to an embodiment of the invention;
fig. 8 is a circuit structure diagram of a control module according to an embodiment of the present invention;
fig. 9 is another schematic structural diagram of a fire emergency communication system according to an embodiment of the present invention;
fig. 10 is a circuit structure diagram of a ring network communication circuit according to an embodiment of the present invention;
fig. 11 is a detailed flowchart of a fire emergency communication method according to an embodiment of the present invention;
fig. 12 is another specific flowchart of a fire emergency communication method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention 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 invention and are not intended to limit the invention.
Referring to fig. 1, a schematic structural diagram of a fire emergency communication system 10 according to an embodiment of the present invention is shown, where the fire emergency communication system 10 can maintain a normal communication function in a fire environment, so as to provide great convenience for a user in a fire rescue operation, and the user can maintain a stable and safe communication function with an external administrator in a severe fire environment, so as to ensure the safety of lives and properties of people; for convenience of explanation, only the parts related to the present embodiment are shown, and detailed as follows:
as shown in fig. 1, the fire emergency communication system 10 includes a plurality of fire emergency communication devices 101, wherein two adjacent fire emergency communication devices 101 communicate with each other to form a ring network; the fire-fighting communication equipment 101 can realize signal transmission and centralized processing, and further, when the fire-fighting emergency communication equipment 101 acquires audio information, the interaction function of signals can be realized between two adjacent fire-fighting emergency communication equipment 101; when a fire disaster occurs, the audio signals of the user color can be transmitted among the plurality of fire-fighting emergency communication devices 101, the signal transmission distance of fire-fighting communication is longer, and safe and reliable communication connection is established between the user and an external manager; in addition, since the plurality of fire-fighting emergency communication devices 101 in the embodiment are connected in an annular manner, signals can be transmitted in a bidirectional manner, if any one of the fire-fighting emergency communication devices 101 in the annular structure has a communication fault, the rest of the fire-fighting emergency communication devices can still maintain a normal communication function, and the fire-fighting emergency communication system 10 can recover data transmission; therefore, the fire emergency communication system 10 in this embodiment can have high communication security and reliability, and can always maintain a safe data communication function in various fire accident sites, so that the user can maintain a normal communication state with an external administrator, thereby improving the fire safety level of the user.
The fire emergency communication device 101 is configured to collect audio of a user, convert the audio of the user into a first audio signal, and read a pre-stored second audio signal according to the first audio signal.
The first audio signal comprises voice information of a user, the user can carry out interactive communication with an external manager through the first audio signal, and after the audio of the user is converted into the first audio signal through the fire emergency communication equipment 101, the first audio signal has higher transmission efficiency and transmission precision, the first audio signal can be rapidly transmitted among a plurality of fire emergency communication equipment 101, and the transmission compatibility of the audio information of the user is guaranteed; after the fire emergency communication device 101 receives the first audio signal, it indicates that a fire occurs, and the fire emergency communication device 101 immediately executes a fire emergency alarm action; the second audio signal comprises fire broadcast information, and the fire broadcast information can be sent out through the second audio signal, so that users located at different geographic positions can acquire fire broadcasts in real time through the fire emergency communication equipment 101, the fire communication efficiency and the signal propagation efficiency of the fire emergency communication system 10 are improved, evacuation information can be timely and accurately played through the second audio signal, and the stable transmission function of fire safety information is improved.
The fire emergency communication device 101 is further configured to transmit the first audio signal to an adjacent fire emergency communication device and receive a third audio signal output from the adjacent fire emergency communication device, wherein the third audio signal is obtained by collecting and converting the audio of the user by the other fire emergency communication device.
In this embodiment, if the fire emergency communication system 10 is applied to different industrial technical fields, a plurality of fire emergency communication devices 101 can be disposed in different industrial environments, when a fire occurs, a user transmits a first audio signal to other specific fire emergency communication devices through the fire emergency communication device 101 to realize interactive transmission of audio information of the user among a plurality of cascaded fire emergency communication devices, and the first audio signal can be transmitted a longer distance and maintain higher signal transmission accuracy in the fire emergency communication system 10; when the fire emergency communication device 101 receives the third audio signal output by the adjacent fire emergency communication device, the third audio signal contains the audio information of the user located in other geographical locations, so that the fire emergency communication device 101 can play the audio content of the external user, so as to realize the interactive transmission of the audio information of the user among the fire emergency communication devices, the fire emergency communication system 10 of the embodiment has high communication compatibility, can realize the parallel transmission function of the audio contents of a plurality of users, can transmit the audio signal of the user to the specific fire emergency communication device 101, greatly ensures the signal transmission efficiency of the audio signal of the user in the fire emergency communication system 10, the fire emergency communication device 101 transmits the audio information of the user in a ring communication mode all the time safely, and the user has a higher communication safety level in a fire scene environment.
The fire emergency communication device 101 is further configured to play at least one of the first audio signal, the second audio signal, and the third audio signal.
When the fire emergency communication equipment 101 plays a first audio signal, the fire emergency communication equipment 101 serves as an audio input end and an audio output end, and the audio information of a user can be transmitted to an external manager in time through the fire emergency communication equipment 101, so that the user can transmit the voice information of the user to the external manager in real time to realize an audio communication function; the first audio signal has higher signal transmission efficiency, the transmission delay of the audio signal of the user is reduced, and the communication efficiency between the user and an external manager is higher.
When the fire emergency communication equipment 101 plays the second audio signal, the second audio signal contains the fire emergency broadcast information of presetting the storage, can transmit the fire emergency rescue information to the user through the second audio signal, this fire emergency communication equipment 101 can in time broadcast the evacuation broadcast information in time, accurately, the distributed communication efficiency of fire emergency communication system 10 in this embodiment has been ensured, the user can in time acquire the rescue guidance information, so that the user can escape from the fire scene with speed more quickly, the fire protection security of the user has been ensured.
When the fire emergency communication equipment 101 plays the third audio signal, the fire emergency communication equipment 101 serves as an audio output end, can compatibly receive the audio signals of the user acquired by other fire emergency communication equipment, and identifies the audio content in the third audio signal, and the fire emergency communication equipment 101 has extremely strong signal compatibility; the two adjacent fire-fighting communication devices 101 can perform signal interaction to improve the fire-fighting communication function of the fire-fighting emergency communication system 10, and the communication quality of a ring network formed by a plurality of fire-fighting emergency communication devices is better.
Optionally, the fire emergency communication device 101 plays at least one of a first audio signal, a second audio signal and a third audio signal according to an operation instruction of a user; and then this fire emergency communication equipment 101 can realize different communication demands to make fire emergency communication system 10 can the compatible fire environment that is applicable to each difference in order to satisfy user's actual communication demand, user's accessible fire emergency communication system 10 keeps real-time, smooth and easy audio frequency to communicate with external administrator, has brought good use for the user and has experienced, and fire emergency communication system 10's is multiple functional, can be applicable to each different industrial scene.
When a fire occurs, the user performs voice communication with outside rescue personnel by means of the fire emergency communication device 10 or performs voice broadcasting through the fire emergency communication device 101 so that the user provides voice help in the rescue work of the fire; in the embodiment, the plurality of fire emergency communication devices 101 in the fire emergency communication system 10 can realize distributed ring communication, the communication function of the fire emergency communication system 10 has higher stability, and when each fire emergency communication device 10 is distributed at different geographical positions, the audio signals of the user can be communicated with each other among different fire emergency communication devices 101, so that the audio signals of the user can be transmitted farther by means of the signal transmission performance among different fire emergency communication devices 101, and the data transmission performance is better; the annular network formed by the plurality of fire-fighting emergency communication devices 101 can greatly improve the transmission safety and the transmission reliability of the audio information of the user, so that the fire trapped people and the fire rescuers can carry out synchronous voice communication; moreover, each node in the ring network has higher independence, the signal transmission mode is more flexible, if one fire-fighting emergency communication device 101 in the fire-fighting emergency communication system 10 has a communication fault, the rest fire-fighting emergency communication devices 101 can still keep a normal data communication function, the fire-fighting emergency communication system 10 can quickly recover the high-efficiency transmission of audio data, the safety and the reliability of fire-fighting communication are guaranteed, when the fire-fighting emergency communication system 100 is applied to a fire rescue scene, a plurality of users can perform audio interaction with external fire rescuers through the fire-fighting emergency communication system 100 in parallel, the fire-fighting communication function has higher stability and reliability, the users can escape from the fire scene more quickly and orderly, and the fire rescue speed is improved; the problem of among the traditional technique the fire prevention communication system's stability and security relatively poor, communication interruption appears easily when the conflagration breaing out, perhaps communication failure appears, and the stranded personnel of conflagration can't carry out data communication with external administrator, and traditional fire control communication system's compatibility is relatively poor, can't the universal relevance in various industrial environment, and the fire prevention level is not high is solved.
As an alternative embodiment, any two adjacent fire-fighting emergency communication devices 101 communicate with each other through ethernet or optical fiber.
In the ring network, two adjacent fire-fighting emergency communication devices 10 can realize bidirectional transmission of digital audio signals, and the fire-fighting emergency communication devices 10 can recognize and decode external third audio signals to play corresponding voice information, so that the fire-fighting emergency communication system 10 can realize efficient audio communication and fire-fighting broadcast functions in combination with a plurality of fire-fighting emergency communication devices 10; in the embodiment, the audio information of the user is transmitted through the ethernet or the optical fiber, so that the transmission efficiency and the transmission quality of the audio signal in the fire-fighting emergency communication system 100 are improved, and the ethernet has the advantages of strong anti-interference capability and low error rate of the signal; the optical fiber has extremely high signal transmission efficiency, can completely ensure the data integrity in the audio signal, and has lower signal transmission cost; the audio signal of the user can be completely and clearly transmitted to the outside fire rescue personnel, so that the fire-fighting emergency communication system 10 in the embodiment has higher communication quality and audio signal transmission efficiency, the delay phenomenon of fire-fighting voice information in the transmission process is reduced, the fire-fighting emergency communication equipment 10 can broadcast the fire-fighting broadcast information in time, the fire-fighting emergency communication system 10 has higher communication compatibility and adaptability, the fire rescue speed and efficiency are accelerated, and the fire-fighting communication quality is better.
As an alternative implementation, fig. 2 shows a schematic structure of the fire emergency communication devices 101 provided in this embodiment, referring to fig. 2, in the fire emergency communication system 10, each of the fire emergency communication devices 101 includes: the voice recognition system comprises a voice acquisition module 102, a coding and decoding module 103, a communication module 104, a control module 105 and a loudspeaker module 106.
The encoding and decoding module 103 is connected to the voice collecting module 102, the control module 105 and the speaker module 106, and the communication module 104 is connected to the control module 105; and then, information interaction transmission can be realized among different circuit modules in the fire-fighting emergency communication equipment 101, and the signal transmission safety and the communication compatibility of the fire-fighting emergency communication equipment 101 are guaranteed.
The voice acquisition module 102 is configured to acquire audio of the user; the voice collection module 101 has a function of collecting voice information of a user, and the audio of the user contains language content, so that the user can transmit the actual idea of the user to the outside in real time through the language collection module 102.
The encoding and decoding module 103 is configured to encode the audio of the user to obtain the first audio signal; the encoding and decoding module 103 has signal encoding and decoding functions to change encoding information of a signal in a transmission process, for example, the encoding and decoding module 103 can implement analog-to-digital conversion and digital-to-analog conversion, so that the fire emergency communication device 101 can compatibly identify different types of audio signals, and further analyze voice content contained in the audio signals; the voice acquisition module 101 transmits the audio of the user to the codec module 103, and the codec module 103 can change the data format in the audio of the user to obtain a first audio signal, where the first audio signal has higher data compression and higher data storage capacity.
The communication module 104 is configured to receive a third audio signal output by the adjacent fire emergency communication device, and send the first audio signal to the adjacent fire emergency communication device.
The communication module 104 is in communication with the external fire-fighting emergency communication equipment 101, bidirectional data transmission can be performed between the communication module 104 and the control module 105, and the communication module 104 has high communication compatibility; the communication module 104 can realize transfer transmission of the third audio signal and the first audio signal, and the audio signal of the user is transmitted among a plurality of fire emergency communication devices, so that the audio information of the user has higher transmission performance and transmission distance; and also can ensure transmission quality and transmission efficiency of audio signal between two adjacent fire control emergency communication equipment through communication module 104, user's audio signal can broadcast in transmitting to different fire control emergency communication equipment 101, and the user can carry out real-time communication with external administrator all the time, and user's use experience is higher.
The control module 105 is configured to receive the first audio signal and the third audio signal, and read a second audio signal stored in advance when receiving the first audio signal; the control module 105 is further configured to output any one of the first audio signal, the second audio signal, and the third audio signal to the codec module 103.
Optionally, the second audio signal is pre-stored inside the control module 105, or the second audio signal is pre-stored in an external storage medium; the second audio signal contains broadcasting voice information pre-stored by the manager, and audio broadcasting contents can be simultaneously transmitted to the user through the second audio signal, so that the fire fighting communication efficiency and the application range of the fire fighting emergency communication device 101 are improved.
In this embodiment, the control module 105 can receive all the audio signals, and process and analyze information contained in the audio signals; as described above, the first audio signal, the second audio signal, and the third audio signal have different audio contents; when the fire emergency communication equipment 101 plays the corresponding audio signal, the fire emergency communication equipment 101 realizes the corresponding audio information interaction function; optionally, the control module 105 outputs a first audio signal, a second audio signal or a third audio signal according to an operation instruction of a user, where the first audio signal and the third audio signal include point-to-point communication between the user and a manager, the second audio signal includes fire protection broadcast information sent by the manager, and the first audio signal and the second audio signal include different audio signals, respectively, so that when the control module 103 outputs the first audio signal, the second audio signal or the third audio signal, the fire protection emergency communication device 101 may implement different fire protection communication functions, the user obtains communication contact with an external manager at a fire accident site, and the user may obtain the broadcast information, thereby greatly ensuring communication safety and reliability of the fire protection emergency communication device 101, the control module 105 may implement different communication functions according to actual needs of the user, so as to meet different communication requirements of fire scene environments, and the fire emergency communication equipment 101 has higher compatibility and universality.
The encoding and decoding module 103 is further configured to decode the first audio signal to obtain a first voice signal, decode the second audio signal to obtain a second voice signal, and decode the third audio signal to obtain a third voice signal.
When the encoding and decoding module 103 receives the first audio signal, the second audio signal or the third audio signal, the encoding and decoding module 103 decodes the corresponding audio signal to obtain a first voice signal, a second voice signal or a third voice signal, and can restore and decompress the voice content in the first audio signal, the voice content in the second audio signal or the voice content in the third audio signal through decoding operation; the coding and decoding module 103 can realize digital-to-analog conversion, and decoded voice signals are all analog signals, so that the transmission quality and the transmission efficiency are higher; the voice information of the user or the fire-fighting broadcast information of the manager can be completely recovered through the decoding operation, so that the loss of the audio content in the transmission process is avoided;
the speaker module 106 is configured to play at least one of the first voice signal, the second voice signal and the third voice signal under the control of the control module 105.
When the codec module 103 transmits the first voice signal, the second voice signal or the third voice signal to the speaker module 106, the speaker module 106 can identify the language content in the first voice signal, the second voice signal and the third voice signal; the speaker module 106 can realize different fire-fighting communication requirements under the operation of the control information sent by the control module 105, so as to meet the actual communication requirements of the user in the fire environment; in this embodiment, the control information sent by the control module 105 can directly control the working state of the speaker module 106, so that the fire emergency communication device 101 can transmit different voice information to the outside, and the controllability of the communication state of the fire emergency communication device 101 is improved; the local user and the manager are directly communicated according to the first voice signal, the foreign user and the manager are directly communicated according to the third voice signal, the fire trapped person can timely transmit thought content to the outside manager, the speaker module 104 is used for realizing language broadcast communication according to the second voice signal so as to guide the user to carry out self rescue, and the language communication efficiency of the fire emergency communication equipment 101 is improved; the fire-fighting emergency communication device 10 in the embodiment can realize data communication functions in various forms according to actual needs of technical personnel, is complete in function, ensures the communication safety and reliability of a user in a fire environment, can acquire external information in the fire environment in real time, accelerates rescue guidance speed for fire trapped people, and is higher in safety performance.
As an optional implementation manner, the voice collecting module 102 includes at least one microphone, and the microphones are arranged at various positions in the building according to the spatial layout of the building and the distribution of people, so that when a fire disaster occurs in the building, the microphones can sensitively collect the audio information of the user, and the user can transmit the audio signal to the outside completely in real time; the microphones are distributed at various positions of the building, the fire-fighting emergency communication equipment 101 in the embodiment can quickly acquire voice information of different users, great convenience is brought to real-time communication between the users and external managers, and the external managers can timely acquire actual occurrence conditions of fire; therefore, the fire-fighting communication function of the fire-fighting emergency communication device 101 has high flexibility and compatibility, and can be universally applied to different industrial environments, provide timely fire rescue broadcast information for users, and improve the fire safety protection level of the users and buildings.
In the fire emergency communication device shown in fig. 2, the voice acquisition module 101 can acquire the audio information of the user in real time, so that the user can timely transmit the voice information to the outside when a fire occurs, and the communication efficiency between the user and an external administrator is improved; the audio information of the user is converted to obtain audio signals with different functions, the control module 105 can know the fire distribution situation and the user escape situation of a fire scene according to the first audio signal, the control module 103 can adaptively send different types of voice information, the two-way communication between the user and an external administrator can be realized through the first voice signal and the third voice signal, and the user can transmit the voice information to the administrator in real time to realize the safe and stable data communication function; meanwhile, fire-fighting broadcasting can be carried out on the user according to the second voice signal, so that the user can carry out ordered and safe fire evacuation, guidance and rescue suggestions are provided for the escape of the user, the safety performance of the user in a fire environment is guaranteed, and the data communication efficiency of the fire-fighting emergency communication equipment 101 is greatly improved; therefore, the fire emergency communication device 10 in this embodiment performs centralized control and processing on the audio information of the user through the control module 103, and makes different audio responses to the fire situation, so as to improve the processing efficiency and response speed of the fire emergency communication device 101 for the fire event; the fire-fighting emergency communication equipment 101 has a relatively simplified module structure, can be flexibly suitable for different industrial environments, has relatively high communication compatibility, namely ensures the reliability and stability of communication between a user and the outside, ensures that the user can keep smooth voice communication with an outside administrator in real time in a fire scene, and has extremely high audio signal transmission rate; the fire-fighting communication equipment 101 can also synchronously transmit broadcast voice information to users, provide on-site rescue notification for fire rescue of the users, assist management personnel to organize fire fighting and extinguishing, the fire-fighting communication efficiency is higher, and the managers can synchronously transmit the voice information to a plurality of users through the loudspeaker module 106, so that the fire rescue speed is increased; therefore, the fire-fighting emergency communication equipment 101 in the embodiment has a flexible and safe voice communication function, a user can keep a normal data communication function in a fire scene, the communication quality is high, the user can also obtain voice rescue information in time, and the escaping speed of the user in the fire scene is improved; the problems that in the prior art, the communication function of the fire fighting communication equipment is single, the communication safety and reliability are low, communication faults of the fire fighting communication equipment are prone to occurring when a fire disaster occurs, the communication quality of a user and an administrator is low, the user cannot acquire accurate fire rescue voice information, great inconvenience is brought to fire rescue work of managers, the traditional fire fighting communication equipment is difficult to universally apply, and the compatibility is low are effectively solved.
As an alternative implementation, fig. 3 shows another structural schematic of the fire emergency communication device 101 provided in this embodiment, and compared with the structural schematic of the fire emergency communication device 101 in fig. 2, the fire emergency communication device 101 in fig. 3 further includes: a first memory module 107 and a second memory module 108.
Wherein the first storage module 107 is configured to store the first audio signal.
The second storage module 108 is configured to store the second audio signal.
The second audio signal is pre-stored in the second storage module 108 according to an operation instruction of a manager so as to execute fire-fighting broadcasting when a fire occurs; the second audio signal can transmit the audio signal to a plurality of users in time to provide fire rescue information, so that a broadcast communication function is realized, the communication efficiency of the fire emergency communication device 101 is improved, so that the users can acquire fire guide information in time, and the fire rescue performance of the users is higher.
As an optional implementation manner, the second storage module 108 is a usb disk, and the usb disk can pre-store a second audio signal, and the usb disk can guarantee the storage safety of the second audio signal, where the second audio signal includes fire rescue broadcast information preset by an administrator, and guarantees the transmission efficiency of the second audio signal; once the control module 105 receives the first audio signal, it indicates that a fire accident exists, the control module 105 immediately responds to read a second audio signal pre-stored in the usb disk, and the control module 105 can output corresponding broadcast rescue information according to the actual situation of the fire; the fire emergency communication equipment 101 in this embodiment can realize the function of fire control broadcasting through the second audio signal, and the communication quality and the speech information parallel transmission function of fire control communication are better, and the effect of fire rescue is better, has ensured that the fire rescue can go on in order.
The first audio signal contains real-time voice call information of a user, when a fire disaster occurs, the user can obtain voice contact with external rescue personnel through the first audio signal, and fire disaster rescue distress information is sent out to the outside through the first audio signal, so that the safety and the orderliness of the fire disaster rescue work of the user are guaranteed; therefore, the voice call information of the user can be kept in real time through the first storage module 108 when a fire disaster occurs, the communication security of the user on the fire scene is higher, evidence and data analysis are provided for future fire rescue and fire analysis, and the fire disaster is prevented.
Optionally, the first storage module 108 is a RAM (Random Access Memory) or a ROM (Read Only Memory); when a user sends out audio information, the first storage module 108 can store the audio content of the user in real time, the data safety performance of the audio content of the user can be completely guaranteed through the first storage module 108, the first storage module 108 can realize the large-capacity storage function of data, and the fire-fighting emergency communication equipment 101 has higher data safety and practical value; according to the storage data in the first storage module 101, more intelligent analysis and judgment can be performed on the fire situation, guidance is provided for the future fire management protection work, and external management personnel can also analyze the fire occurrence situation and the personnel escaping situation more comprehensively.
As an alternative implementation, fig. 4 shows another structural schematic of the fire emergency communication device 101 provided in this embodiment, and compared with the structural schematic of the fire emergency communication device 101 in fig. 2, the communication module 104 in fig. 3 further includes: a switch unit 1041 and a transmission unit 1042.
The switch unit 1041 is connected between the control module 105 and the transmission unit 1042, and is configured to transmit the first audio signal to the transmission unit 1042 and transmit the third audio signal to the control module 105.
The transmission unit 1042 is configured to communicate with an adjacent fire emergency communication device, access a third audio signal output by the adjacent fire emergency communication device, and transmit the first audio signal to the adjacent fire emergency communication device.
The switch unit 1041 is in communication with the control module 105, and the switch unit 1041 performs data interaction with an adjacent fire emergency communication device through the transmission unit 1042, so as to implement interactive transmission of an audio signal of a user between different fire emergency communication devices.
The fire emergency communication device 101 can establish communication connection with other fire emergency communication devices through the transmission unit 1042 to implement interactive transmission of signals; furthermore, the fire emergency communication device 101 in this embodiment performs information interaction with an external device through the transmission unit 1042 to implement a data interaction function, and the fire emergency communication device 101 has high communication compatibility; for example, when a fire occurs, the voice acquisition module 102 acquires the audio of the user, and the control module 105 generates a corresponding first audio signal, where the first audio signal includes the voice call information of the user; the first audio signal can be received in real time through the switch unit 1041, and the switch unit 1041 can realize functions of signal distribution forwarding and information exchange, and the first audio signal forwarded through the switch unit 1041 can be quickly converted between different circuit modules to change a transmission form of the first audio signal; meanwhile, when other fire emergency communication devices access the audio of the user and output a third audio signal, the switch unit 1041 can also access the third audio signal to realize the function of the audio signal of the user in bidirectional transmission, different circuit modules in the fire emergency communication device 101 can realize the function of sharing the audio information of the user, and the precision and accuracy of the first audio signal and the third audio signal in the transmission process are ensured.
In the fire emergency communication device 101 shown in fig. 4, a bidirectional transmission function of audio data can be realized between the switch unit 1041 and the transmission unit 1042; exemplarily, the transmission unit 1042 can also be used for accessing third audio signals of other fire-fighting emergency communication devices and transmitting the third audio signals to the control module 105 through the switch unit 1041 in sequence, the control module 105 processes and analyzes the audio signals of the other fire-fighting emergency communication devices to realize the transmission and processing functions of audio data, and the speaker module 106 can output voice information of the other fire-fighting emergency communication devices.
In this embodiment, the fire emergency communication device 101 can implement a data interaction function with other fire emergency communication devices in the system through the transmission unit 1042, when receiving the audio of the user through the voice acquisition module 102, the transmission unit 1042 outputs a first audio signal to the external fire emergency communication device, and the voice information of the user is transmitted to the other fire emergency communication devices through the fire emergency communication device 101; or the fire emergency communication device 101 can receive the audio signal of the user outside the country through the transmission unit 1042, and implement local playing according to the audio signal of the user outside the country, so that the audio signal of the user can be played in voice by any fire emergency communication device in the fire emergency communication system 10; user's speech information realizes better communication transmission performance, fire control emergency communication equipment 101's communication quality is better, and this fire control emergency communication equipment 101 can the compatible industrial environment who is applicable to each difference, and fire control emergency communication equipment 101 brings very big facility and use for user's fire control communication and experiences, has improved fire control information transmission safety, and practical value is stronger.
As an alternative embodiment, the switch unit 1041 includes a switch chip; the switch chip has functions of data compatible input and output and data distribution, and exemplarily, the model of the switch chip is as follows: the RTL8370M or the BCM5396, the switch chip can rapidly transmit the audio signals, so that the audio data of the user can be rapidly transmitted among different circuit modules, the data transmission cost between the fire emergency communication equipment 101 and the adjacent fire emergency communication equipment is reduced, the communication reliability of the fire emergency communication equipment is improved, and the phenomenon that the audio data of the user is lost in the transmission process is avoided; the fire emergency communication device 101 in the embodiment has better audio data interaction performance.
The transmission unit 1042 comprises at least one RJ45 interface; the RJ45 interface can realize high-speed transmission of data, and the RJ45 port has extremely low manufacturing cost and the RJ45 port has stronger communication compatibility; in addition, the RJ45 port in the field has multiple signal transmission switches, and can transmit multiple paths of audio data in parallel, the transmission unit 1042 can realize a higher data interaction function with external fire emergency communication equipment, and the transmission cost of signals is lower; therefore, the fire emergency communication device 101 in this embodiment has a higher data communication function with an external communication terminal through the transmission unit 1042, and a circuit module structure of the fire emergency communication device 101 is simplified, so that the fire emergency communication device 101 can be applied to different industrial environments, the communication compatibility of the fire emergency communication device 101 is guaranteed, the audio information of a user can be transmitted to a fire manager more quickly, and the communication quality of fire fighting is improved.
Therefore, the communication module 104 in this embodiment has a relatively compatible and simplified circuit structure, signal interaction communication can be achieved among a plurality of fire-fighting emergency communication devices in the fire-fighting emergency communication system 10, audio information of a user can be timely acquired through the fire-fighting emergency communication devices, the audio information of the user can be transmitted to any one fire-fighting emergency communication device in an annular network for playing, the transmission efficiency of the audio signal of the user is greatly improved, a stable and safe audio communication function can be achieved between a fire trapped person and an external manager, and the fire-fighting emergency communication system 10 is higher in expandability and higher in compatibility.
As an alternative implementation, fig. 5 shows another structural schematic of the fire emergency communication device 101 provided in this embodiment, and compared with the structural schematic of the fire emergency communication device 101 in fig. 2, the fire emergency communication device 101 in fig. 5 further includes: a power amplification module 501, an IIS bus 502, and an MII bus 503.
The power amplification module 501 is connected between the codec module 103 and the speaker module 106, and the power amplification module 501 amplifies the first voice signal, the second voice signal, or the third voice signal.
The power amplification module 501 has a signal power amplification function, when the codec module 103 implements a digital-to-analog conversion function, the output first voice signal, second voice signal, and third voice signal are analog signals, and the first voice signal, second voice signal, and third voice signal contain corresponding voice content, and the voice information can be directly recognized and played by the speaker module 106; in the embodiment, the amplitude and the energy of the signal are enhanced through the power amplification module 501, the data integrity in the first voice signal, the second voice signal and the third voice signal is guaranteed, and the problems of signal distortion, high power consumption and audio information transmission quality reduction of the voice signals in the transmission process are solved; therefore, in the embodiment, the voice communication quality between the user and the external administrator can be greatly improved through the power amplification module 501, the external administrator can also more clearly acquire the voice information of the user, or the speaker module 106 can realize higher fire-fighting broadcast communication quality, the user has higher fire-fighting communication use experience, and the error code transmission rate of the audio signal in the fire-fighting emergency communication device 101 is reduced; the user can safely acquire the fire rescue information in real time in the fire environment, and the safety level is higher.
The IIS bus 502 is connected between the codec module 103 and the control module 105, and the codec module 103 communicates with the control module 105 through the IIS bus 502.
The IIS bus 502 has a fast transmission efficiency, and the IIS bus 502 conforms to an IIS bus protocol, and in an IIS communication mode, data can be bidirectionally transmitted through a communication line, so that the codec module 103 and the control module 105 have a fast and efficient data transmission efficiency, and the safety and reliability of audio signals in the transmission process can be greatly guaranteed through the IIS bus 502; the fire-fighting emergency communication equipment 101 in the embodiment can realize a compatible data communication mode, wherein the fire-fighting emergency communication equipment 101 can realize safe transmission of signals in various severe fire-fighting environments; therefore, when the control module 105 outputs the first audio signal, the second audio signal or the third audio signal, which all belong to digital signals, the transmission safety of the digital audio signal and the transmission efficiency of the digital audio signal can be completely maintained through the IIS bus 502, so that the integrity and the safety of audio data can be completely maintained for the first audio signal, the second audio signal and the third audio signal, and the condition of interruption of digital audio signal transmission is avoided; the fire emergency communication equipment 101 in this embodiment can be applicable to in the industrial environment of each difference to keep safe signal communication function, audio signal's transmission efficiency is higher, the user can obtain timely audio frequency contact through this fire emergency communication equipment 101 by external administrator, has improved fire emergency communication equipment 101's communication security performance, and the user is evacuated through acquireing fire control broadcast information, is favorable to ensureing user's fire control safety.
The MII bus 503 is connected between the control module 105 and the communication module 104, and the control module 105 communicates with the communication module 104 through the MII bus 503.
In this embodiment, the MII bus 503 can be compatible with different types of audio signals to implement parallel transmission of multiple audio data, and high-speed transmission of digital signals can be implemented through the MII bus 503, wherein the MII bus 503 belongs to a dual-signal interface, one signal transmission channel transmits a clock signal, the other signal transmission channel transmits a digital signal, and a technician can monitor the signal transmission efficiency in the MII bus 503 in real time, so that the audio signals of a user can be kept safely and stably transmitted on the MII bus 503, and the quality of information interaction between the fire emergency communication device 101 and external devices is improved; specifically, the control module 105 can transmit a first audio signal to an external fire emergency communication device through the MII bus 503 to realize rapid transmission of audio information of a user; meanwhile, the control module 105 is connected to a third audio signal of an external fire-fighting emergency communication device through the MII bus 503, the fire-fighting emergency communication device 101 can transmit corresponding voice information to a user in time, the fire-fighting emergency communication device 101 can be in communication interconnection with different types of communication terminals outside, the compatibility is high, the user can transmit the voice message to the outside in time through the fire-fighting emergency communication device 101 to achieve communication interconnection among different fire-fighting emergency communication devices, the fire-fighting emergency communication device 101 has higher communication safety and communication compatibility, the MII bus 503 can also prevent external interference from interfering with the audio signal, an external manager can clearly acquire the audio information of the user, and the fire-fighting communication quality is improved.
As an optional implementation manner, the codec module 103 includes a codec chip, and the codec chip is used to implement an analog-to-digital conversion or a digital-to-analog conversion function of an audio signal, so as to implement an encoding or decoding function, when the codec chip decodes the audio signal, a first voice signal and a second voice signal are obtained, and the voice information can be timely transmitted to the outside through the first voice signal and the second voice signal, so that a high-quality conversion of the audio signal is implemented through the codec chip; optionally, the codec chip is a TLV320AIC3106 chip, and the codec chip has a signal processing performance with complete functions.
For example, fig. 6 shows a circuit structure of the codec module 103 provided in this embodiment, and as shown in fig. 6, the codec module 102 includes: the device comprises a codec chip U1, a resistor R1, a resistor R2, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a connector P1, a connector P2 and a connector P3.
The first audio information input pin of the codec chip U1 is connected with the first end of a resistor R1, the second audio information input pin of the codec chip U1 is connected with the first end of a capacitor C1, the third audio information input pin of the codec chip U1 is connected with the first end of a capacitor C2, the first end of a resistor R2 is connected with the ground GND, the second end of the resistor R1, the second end of the capacitor C1, the second end of the capacitor C2 and the second end of the resistor R2 are audio information input ends of the codec module 103, the audio information input ends of the codec module 103 are connected with the voice acquisition module 102, and then the audio information input ends of the codec module 103 are connected with the audio of a user to acquire real-time voice information of the user, and the audio of the user can be quickly transmitted in the fire emergency communication device 101.
It should be noted that the first audio information input pin of the codec chip U1 is the 13 th pin of the codec chip U1, the second audio information input pin of the codec chip U1 is the 7 th pin of the codec chip U1, and the third audio information input pin of the codec chip U1 is the 8 th pin of the codec chip U1.
The reserved communication pins of the codec chip U1 are connected with the connector (connector P1, connector P2 and connector P3) through capacitors, and can be used as reserved communication ports of the codec module 103, the reserved communication ports of the codec module 103 and external mobile terminals perform data identity, and preset communication signals can be transmitted to the codec module 103 through the external mobile terminals to drive the codec module 103 to realize preset circuit functions, the codec module 103 can realize corresponding circuit functions according to actual needs of technicians, the fire emergency communication device 101 has a better signal conversion function, the codec chip U1 can realize higher controllability, and the communication quality of audio is better.
It should be noted that, referring to the circuit structure in fig. 6, the reserved communication pin of the codec chip U1 includes: a 3 rd pin, a 4 th pin, a 5 th pin, a 6 th pin, a 9 th pin and a 10 th pin; therefore, the codec chip U1 in this embodiment realizes more complex circuit functions by reserving communication pins, and the compatibility of the codec chip U1 is higher.
Wherein, the voice signal output pin of the codec chip U1 is connected to the speaker module 106, and the voice signal output pin of the codec chip U1 includes: the 29 th pin and the 30 th pin, the decoded first voice signal, the decoded second voice signal or the decoded third voice signal can be transmitted to the speaker module 106 through the voice signal output pin of the codec chip U1, so as to drive the speaker module 106 to realize the functions of broadcast playing and user communication, and the codec chip U1 can completely maintain the voice content of the voice signal, thereby improving the signal transmission performance of the fire emergency communication device 101, achieving a communication function with better quality between the user and an external manager, and outputting the audio content and the audio broadcast content of the user to the user through the codec chip U1, thereby improving the reliability of fire communication.
A power supply pin of the encoding and decoding chip U1 is connected with a first direct current power supply VCC1, and the first direct current power supply VCC1 is a +3.3V direct current power supply; the ground pin of the encoding and decoding chip U1 is grounded GND, and the power supply pin of the encoding and decoding chip U1 comprises: 17 th pin, 16 th pin, 25 th pin, 24 th pin, 44 th pin and 36 th pin; the ground pin of the codec chip U1 includes: the 43 th pin, the 42 th pin, the 26 th pin, the 15 th pin, the 20 th pin and the 21 st pin.
Optionally, the first dc power source VCC1 is a +3.3V dc power source, and the dc power source VCC1 can transmit the dc power to the codec chip U1, so that the codec chip U1 can maintain a stable operating state, and the fire emergency communication device 101 has higher communication quality.
The serial communication pin of the coding and decoding chip U1 is connected with the control module 105, the coding and decoding chip U1 realizes signal bidirectional transmission with the control module 105 through the serial communication pin, and a digital audio signal (a first audio signal or a second audio signal) can be accessed or output through the serial communication pin of the coding and decoding chip U1, so that the signal communication compatibility of the coding and decoding chip U1 in the embodiment is ensured; optionally, the serial communication pin of the codec chip U1 includes: 33 rd pin, 1 st pin, 2 nd pin, 37 th pin, 39 th pin, 38 th pin, 40 th pin and 41 th pin; therefore, the codec chip U1 can perform data bidirectional transmission with the control module 105, and has higher compatibility to satisfy the real-time language interaction function of the user.
In the circuit structure of the codec module 103 shown in fig. 6, the codec chip U1 can implement signal encoding and decoding functions, the operation is simple, the first voice signal and the second voice signal output by the codec chip U1 can make the speaker module 06 send out corresponding voice information, and the user and an external administrator can implement a real-time communication function or perform broadcast communication; the encoding and decoding chip U1 in the embodiment can realize stable communication with different circuit modules, and the conversion safety and the transmission safety of audio data are higher; the signal communication cost of the fire-fighting emergency communication equipment 101 in the embodiment is effectively reduced, the application cost of the fire-fighting communication is lower, and the practical value is higher.
As an optional implementation manner, the speaker module 106 is a loudspeaker, when the speaker module 106 is connected to the first voice signal, the second voice signal or the third voice signal, the first voice signal, the second voice signal or the third voice signal can be directly played through the loudspeaker, and the loudspeaker can restore the voice information in the process of playing the voice signal, so that an external administrator or other users can clearly obtain the content included in the voice signal, the communication quality of the user in a fire fighting environment is improved, and an audio communication error of the user is avoided; the speaker module 106 in this embodiment can realize a faster voice information transmission function, and improve the fire safety of the user.
As an optional implementation manner, the power amplification module 501 includes a power amplification chip, and the power amplification chip can amplify the power of the signal according to the actual needs of the user, so that the first voice signal or the second voice signal output by the power amplification module 501 has higher tone quality, the broadcast communication quality of the user is higher, the audio transmission efficiency between the user and an external administrator is higher, a clearer and more definite knowledge is provided for the fire rescue function, and the user can evacuate more stably; optionally, the type of the power amplification chip is: FT 2010M.
For example, fig. 7 shows a circuit structure of a power amplification module 501 provided in this embodiment, and as shown in fig. 7, the power amplification module 501 includes: the power amplifier comprises a power amplification chip U2, a resistor R3, a resistor R4, a capacitor C9, a capacitor C10 and a capacitor C11.
The signal input positive pin + IN of the power amplification chip U2 is connected to the first end of the resistor R3, the second end of the resistor R3 is connected to the first end of the capacitor C9, the signal input negative pin-IN of the power amplification chip U2 is connected to the first end of the resistor R4, the second end of the resistor R4 is connected to the first end of the capacitor C10, the second end of the capacitor C9 and the second end of the capacitor C10 are voice signal input ends of the power amplification module 501, the voice signal input end of the power amplification module 501 is connected to the codec module 103, and the codec module 103 can output a first voice signal, a second voice signal or a third voice signal to the power amplification chip U2, so that the power amplification chip U2 and the codec module 103 realize the function of voice information interaction.
The power pin VDD of the power amplification chip U2 and the first end of the capacitor C11 are commonly connected to a second direct current power supply VCC2, and the ground pin of the power amplification chip U2 and the first end of the capacitor C11 are commonly connected to the ground GND.
Optionally, the second dc power supply VCC2 is a +5V dc power supply, and dc power can be output through the second dc power supply VCC2, so that the power amplification chip U2 can implement a stable signal power amplification function, thereby ensuring the communication quality of the first voice signal, the second voice signal, and the third voice signal.
The signal output positive pin VO + of the power amplification chip U2 and the signal output negative pin VO-of the power amplification chip U2 are connected to the speaker module 106, the power amplification chip U2 can output a first voice signal after power amplification, a second voice signal after power amplification or a third voice signal after power amplification to the speaker module 106, a single-point communication function between a user and a manager is realized according to the first voice signal and the third voice signal, and the communication quality of the user is improved; the multi-point communication function is realized through the second voice signal, the user receives the fire-fighting broadcast signal according to the second voice signal, and the user at different geographic positions can escape from a fire scene according to the second voice signal; therefore, the power amplification module 501 in this embodiment has a simplified circuit structure, so that the manufacturing cost of fire fighting communication is reduced, the audio signal can maintain better communication quality in the fire fighting emergency communication device 101, and the problem of large energy loss of the voice signal in the outgoing transmission process is prevented.
As an optional implementation manner, the control module 105 includes a control chip, the control chip can control the audio conversion and transmission process, and the control chip serves as a control center of the fire emergency communication device 101, and can output different audio signals through the control chip to implement a corresponding voice information interaction function, the control module 105 in this implementation can output corresponding audio signals according to the actual needs of a user, thereby ensuring the control performance and communication compatibility of the fire emergency communication device 101, and the communication compatibility of the user is higher; optionally, the type of the control chip is: PGA2311 or TDA 7439.
For example, fig. 8 shows a circuit structure of the control module 105 provided in the present embodiment, and as shown in fig. 8, the control module 105 includes: the circuit comprises a control chip U3, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a resistor R28, a capacitor C12 and a diode D1.
The serial communication pin of the control chip U3 is connected with the coding and decoding module 103, data interaction can be realized between the control chip U3 and the coding and decoding module 103, when the control chip U3 receives a first audio signal, voice information of a user can be obtained according to the first audio signal, and it is known that a fire disaster occurs indoors, the control chip U3 has a signal centralized control and processing function, and the control chip U3 can read a second audio signal, wherein the second audio signal contains fire disaster broadcast information; the control chip U3 can also receive a third audio signal of an off-site user, so as to realize interactive transmission of voice information of the user between different fire-fighting emergency communication devices; the control chip U3 can adaptively output a first audio signal, a second audio signal or a third audio signal according to the distribution condition and the walking condition of a user in a fire scene to realize the communication function of the fire scene, and then the serial communication pin of the control chip U3 and the coding and decoding module 103 can realize the bidirectional transmission of audio data, so as to improve the transmission efficiency and the transmission quality of digital audio signals, the fire emergency communication device 101 can realize the fire-fighting broadcast function, and make the user and an external manager perform real-time communication to meet the audio communication functions of different users.
The serial communication pin of the control chip U3 includes: SMTXER3/MIT _ LINK _3, SMTXC3/REFCLKO _3, SMTXD30, SMTXD31, SMTXD32, SMTXD33/EN _ REFCLKO _3, SMTXEN3, TXP2, TXM2, RXP2, and RXM 2; therefore, the control chip U3 realizes a high data bidirectional transmission function through the serial communication pins.
The pull-up pin of the control chip U3 is connected with a pull-up signal through a pull-up resistor, and the pull-up signal can drive the control chip U3 to be in a stable working state so as to realize the function of controlling the audio signal; when the pull-up signal is in different level states, the control chip U3 is in different working states, for example, the control chip U3 can be in a stop state by the pull-up signal, and the fire emergency communication device 101 cannot perform real-time communication; the user can perform real-time voice communication with an external manager in a fire fighting environment, and the control chip U3 ensures the quality of the voice communication, so that the fire fighting emergency communication equipment 101 in the embodiment keeps a normal communication function in various severe fire fighting environments, the user can quickly escape from a fire scene, and the stability and the reliability are high; the pull-up pin of the control chip U3 includes: SMRXDV3, SMRXD33/REFCLKO _3, SMRXD32, SMRXD31, SMRXD30 and SMRXC3, and the control chip U3 can realize the audio communication control function only when the pull-up pin of the control chip U3 is connected to the pulse level in the pull-up signal.
The signal output pin of the control chip U3 is connected to the communication module 104, the signal output pin of the control chip U3 can transmit the first audio signal to the communication module 104, and transmit the first audio signal to other devices through the communication module 104, and the signal output pin of the control chip U3 is connected to the third audio signal output by the adjacent fire emergency communication device through the communication module 104, so that the fire emergency communication device 101 and the external fire emergency communication device perform data interaction, the transmission performance of the user audio information is improved, an external manager can obtain the audio content of the user in real time through any fire emergency communication device in the fire emergency communication system 10, and the control chip U3 has higher communication compatibility and a wider application range; it should be noted that the signal output pins of the control chip U3 are: SPISN, SPIQ, SDA _ MDIO, and SCL _ MDC;
the reset pin P2RSTN of the control chip U3, the anode of the diode D1, the first end of the resistor R24, and the first end of the capacitor C12 are reset signal input terminals of the control module 103, the second end of the capacitor C12 is grounded GND, the cathode of the diode D1 and the second end of the resistor R24 are commonly connected to a seventh dc power source VCC7, and optionally, the seventh dc power source VCC7 is +3.3V dc power; the reset signal input end of the control module 105 can be connected with a reset signal, the control module 105 can be driven to execute reset operation through the reset signal, interference caused by external interference to the audio signal control function of the control module 105 is avoided, the control module 105 can outwards output digital audio signals (a first audio signal, a second audio signal or a third audio signal) according to actual requirements, and the fire emergency communication equipment 101 can realize safe and stable communication functions.
In the circuit structure of the control module 105 shown in fig. 8, the control module 105 implements the processing and analyzing functions of the audio information through the control chip U3, and the control chip U3 has complete functions and a simpler circuit structure; control chip U3 can carry out real-time intelligent processing to user's audio content to control fire control emergency communication equipment 101 and realize audio communication and fire control broadcast's function, control chip U3 can be in safe, stable operating condition for a long time, and the user carries out quick audio communication function with external administrator, improves fire control communication's efficiency, fire control emergency communication equipment 101 is applicable in the external environment of difference, and user's use experience is better.
As an alternative implementation manner, fig. 9 shows another structural schematic of the fire emergency communication system 10 provided in this embodiment, compared with the structure of the fire emergency communication system 10 in fig. 1, in fig. 9, a ring network communication circuit 901 is further included between two adjacent fire emergency communication devices 101, and the ring network communication circuit 901 is capable of implementing communication between two adjacent fire emergency communication devices 101; the fire-fighting emergency communication system 10 in this embodiment realizes interactive transmission of audio signals (a first audio signal and a third audio signal) of a user between different fire-fighting emergency communication devices 101 through the looped network communication circuit 901, so that the communication safety and the communication quality of the audio signals are guaranteed, the user can perform voice communication with an external administrator through any one of the fire-fighting emergency communication devices 101, the looped network communication circuit 901 has high audio signal transmission quality and transmission efficiency, the transmission accuracy and the transmission accuracy of digital audio signals in the fire-fighting emergency communication system 10 are guaranteed, and the audio signals of the user have a longer signal transmission distance; when the fire-fighting emergency communication equipment 101 performs ring network communication, if any equipment in a node of a ring network has a communication fault, the fire-fighting emergency communication system 10 can still recover the normal data communication function, so that the communication reliability is improved; furthermore, the fire-fighting communication in the embodiment has higher stability, can keep the normal fire-fighting emergency communication function in various fire environments, and can be widely applied to various different industrial technical fields.
The ring network communication circuit 901 can realize optical fiber communication or ethernet communication, and the fire-fighting emergency communication device 101 in this embodiment has a flexible communication mode, so that the circuit structure of the fire-fighting emergency communication system 10 is more flexible, and the user experience is higher.
Illustratively, the ring network communication circuit 901 performs optical fiber communication, wherein the optical fiber utilizes the principle of total reflection of light to realize signal transmission, and can completely preserve the integrity and security of the signal in the transmission process through the optical fiber, and compared with other transmission media, the optical fiber has higher transmission efficiency and transmission quality; in the embodiment, the adjacent fire-fighting emergency communication equipment carries out signal transmission through optical fibers; the fire-fighting emergency communication equipment 101 has high signal compatibility transmission performance, the fire-fighting emergency communication equipment 101 and external fire-fighting emergency communication equipment achieve high data bidirectional transmission performance, and the application range is wide.
As an optional implementation manner, the ring network communication circuit 901 includes a twisted pair or a coaxial cable, and further the first audio signal and the third audio signal in this embodiment have a higher data communication function, and the communication forms are diversified.
As a preferred embodiment, the ring network communication circuit 901 performs ethernet communication, and the ring network communication circuit 901 includes an ethernet interface chip, where the ethernet interface chip can implement ethernet transmission and information interaction of an audio signal, and the audio signal can be rapidly transmitted between an adjacent fire emergency communication device and the transmission unit 1042 to implement information interaction transmission between the fire emergency communication devices 101, and the ethernet chip has higher signal compatibility transmission efficiency, and audio content of a user can be timely transmitted to an external communication terminal, so that safety performance and reliability of fire communication are improved, and cost of audio communication of the user is reduced; optionally, the model of the ethernet interface chip is: HR911105A, the circuit structure of the communication module 301 in this embodiment is simplified.
For example, fig. 10 shows a specific circuit structure of the ring network communication circuit 901 provided in this embodiment, as shown in fig. 10, the ring network communication circuit 901 includes: the circuit comprises an Ethernet interface chip U4, a resistor R29, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17 and a capacitor C18.
A first signal output pin TX _ D + of the ethernet interface chip U4 is connected to the first end of the resistor R30, a second signal output pin TX _ D-of the ethernet interface chip U4 is connected to the first end of the resistor R29, the second end of the resistor R29, the second end of the resistor R30 and the first end of the capacitor C13 are connected to an eleventh dc power source VCC11, and the second end of the capacitor C13 is connected to GND; optionally, the eleventh dc power VCC11 is a +3.3V dc power supply, and the eleventh dc power VCC1 outputs dc power, so that it can be ensured that the ethernet interface chip U4 can implement a normal data forwarding function, and the fire emergency communication system 10 in this embodiment has higher communication compatibility.
A first signal receiving pin RX _ D + of the ethernet interface chip U4 is connected to the first end of the capacitor C14, a second signal receiving pin RX _ D-of the ethernet interface chip U4 is connected to the first end of the capacitor C17, a second end of the capacitor C14 is connected to the first end of the resistor R32, a second end of the capacitor C17 is connected to the first end of the resistor R31, a second end of the resistor R32 and a second end of the resistor R31 are connected to the first end of the capacitor C18, and a second end of the capacitor C18 is connected to GND; the first signal receiving pin RX _ D + and the second signal receiving pin RX _ D-of the Ethernet interface chip U4 can realize the receiving function of the audio signal, so that the fire emergency communication equipment 101 can quickly transmit the audio content of the user to the external equipment, and the communication compatibility is improved.
A first parameter setting pin TD _ CT of the ethernet interface chip U4 is connected to the first end of the capacitor C15, a second parameter setting pin RD _ CT of the ethernet interface chip U4 is connected to the first end of the capacitor C16, the second end of the capacitor C15 and the second end of the capacitor C16 are connected to the ground GND, and the ethernet interface chip U4 can maintain a normal data communication function through the first parameter setting pin TD _ CT and the second parameter setting pin RD _ CT, so that the security of data transmission is high.
The first serial communication pin G-of the Ethernet interface chip U4 is connected with the fire-fighting emergency communication device through the resistor R33, and the second serial communication pin Y-of the Ethernet interface chip U4 is connected with another fire-fighting emergency communication device through the resistor R34, so that the Ethernet chip U4 can output a first audio signal and can access a third audio signal to realize the function of bidirectional transmission of audio information of a user in a ring network; when a fire disaster occurs, a user can timely get communication with an external manager through any one fire-fighting emergency communication device, and the compatibility and the adaptability of the fire-fighting emergency communication device 101 in various fire environments are greatly guaranteed.
The ring network communication circuit 901 in this embodiment has a compatible circuit structure, so that a bidirectional transmission process of digital audio signals in different circuit modules can be realized, and the transmission rate of the audio signals is high; the Ethernet interface chip U4 can ensure the integrality and the security of audio signal in transmission process, and user's audio content can transmit to outside communication terminal fast, and signal transmission's distance is also longer, fire control emergency communication system 10 can realize the data communication function of preferred, and user's audio signal has higher audio transmission quality, and fire control communication is safer, stable.
Fig. 11 shows a specific flow of the fire emergency communication method provided by the embodiment, and as shown in fig. 11, the fire emergency communication method includes the following steps.
S1101: collecting audio of a user; the audio frequency of the user comprises the language content of the user, and therefore when a fire disaster happens, the user can transmit audio frequency information to an external fire disaster rescuer in time so as to realize the interaction function of the audio frequency information of the user and the external rescuer.
S1102: coding the audio of a user to obtain a first audio signal, and simultaneously reading a second audio signal which is stored in advance; the first audio signal belongs to a digital signal, the first audio signal contains audio information of a user, and after the audio of the user is coded, the digital signal has higher transmission rate and anti-interference performance, so that better signal processing performance of the audio information of the user can be realized; the second audio signal comprises fire-fighting broadcast information, and fire rescue voice information can be timely transmitted to a plurality of users through the fire-fighting broadcast information, so that personnel can timely escape from a fire environment; when the fire occurrence information is acquired, the fire emergency communication method in this embodiment can implement broadcast communication according to the second audio signal, thereby improving the fire safety precaution level.
S1103: receiving a third audio signal; the third audio signal is the audio of the user in the other place, and the audio information of the user in the other place can be played in time through the third audio signal.
S1104: decoding the first audio signal to obtain a first voice signal, decoding the second audio signal to obtain a second voice signal, or decoding the third audio signal to obtain a third voice signal; the first audio signal, the second audio signal and the third audio signal are decoded to realize digital-to-analog conversion, and voice contents in the first audio signal, the second audio signal and the third audio signal are restored, so that the decoded first voice signal, the decoded second voice signal and the decoded third voice signal can be directly recognized by external equipment, and corresponding voice information is sent out.
S1105: playing at least one of the first voice signal, the second voice signal and the third voice signal; optionally, playing a first voice signal, a second voice signal or a third voice signal according to actual needs of fire safety; when the first voice signal or the third voice signal is played, trapped people and external fire rescue personnel can realize point-to-point communication, reliability and stability of fire communication are guaranteed, when the second voice signal is played, managers can play fire-fighting broadcast audio guidance information, users can evacuate orderly under the guidance of the broadcast information, and safety of the trapped people in the fire is guaranteed; the fire emergency communication method in the embodiment has high communication quality and compatibility, and communication reliability of users is improved.
It should be noted that the fire emergency communication method in fig. 11 corresponds to the fire emergency communication device 101 in fig. 2, so that reference may be made to the embodiments in fig. 1 to 10 for specific implementation of each step of the fire emergency communication method in this embodiment, and details will not be repeated here.
As an alternative implementation, fig. 12 shows another specific flow of the fire emergency communication method provided in this embodiment, which is different from the embodiment of fig. 12 in that before S1105 and after S1104, the fire emergency communication method further includes S1205; s1201 to S1204 and S1206 are the same as S1101 to S1105 of fig. 11, and please refer to the related description in the previous embodiment, which is not repeated herein for S1201 to S1204 and S1206. S1205 is concretely as follows:
s1205: amplifying the first voice signal, the second voice signal or the third voice signal.
The decoded first voice signal, the decoded second voice signal and the decoded third voice signal are analog signals, and before corresponding voice information is played, power loss and signal distortion phenomena of the voice signals in the transmission process can be avoided by performing power amplification on the voice information, and audio propagation errors caused by loss are reduced; therefore, the embodiment guarantees the communication quality and the communication efficiency of the audio signals through the amplification operation of the voice signals, so that the user can clearly and completely transmit the audio information to an external manager, and the voice communication effect is more accurate; meanwhile, the manager can transmit the fire-fighting broadcast information to a plurality of users at the same time, the users can obtain clear fire rescue guidance information, and the fire-fighting emergency communication method has higher reliability and safety and wider application range.
In the embodiment, the fire emergency communication method can realize different voice communication functions, when a fire occurs, a user can perform real-time voice communication with an external fire rescuer through the first audio signal and the third audio signal, and the user can transmit voice information to the external fire rescuer in time, so that the safety of the audio communication can be still ensured in a severe fire environment, and the fire communication has higher reliability and adaptability; meanwhile, broadcast communication is realized through the second audio signal, managers can provide fire rescue voice information for a plurality of users in time, and the users carry out fire rescue under the guidance of the second audio signal, so that the personal safety of the users is guaranteed; the embodiment has higher fire-fighting communication quality and communication efficiency, the fire-fighting communication function is very comprehensive, the safe audio communication function can be always kept in various fire environments, the efficient and safe data interaction function is realized, fire rescuers can master the fire occurrence change state in a building in real time, great convenience is brought to the fire rescue work, the method has very important practical significance for indoor fire safety protection, and the casualty rate and property loss caused by the fire occurrence are reduced; the problems that communication interruption is easy to occur in the fire disaster of the traditional technology, the fire fighting communication quality is low, the reliability and the stability are poor, a user cannot perform voice communication with external rescue workers in the fire disaster site, fire fighting broadcasting cannot keep running in the fire disaster environment, great troubles are caused to rescue work of fire accidents, and the safety of the user in the fire disaster site is low are effectively solved.
Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.
Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.
Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A fire emergency communication system, comprising a plurality of fire emergency communication devices, wherein adjacent two of the fire emergency communication devices communicate with each other to form a ring network, wherein:
the fire emergency communication equipment is configured to collect the audio frequency of a user, convert the audio frequency of the user into a first audio signal and read a second audio signal stored in advance according to the first audio signal; the first audio signal comprises voice information of a user, and the user carries out interactive communication with an external manager through the first audio signal; the second audio signal comprises fire broadcast information;
the fire emergency communication device is also configured to transmit the first audio signal to an adjacent fire emergency communication device and receive a third audio signal output by the adjacent fire emergency communication device, wherein the third audio signal is obtained by acquiring and converting the audio of a user by the other fire emergency communication device;
the fire emergency communication device is further configured to play at least one of the first audio signal, the second audio signal and the third audio signal;
the fire-fighting emergency communication system is applied to different industrial technical fields, and a plurality of fire-fighting emergency communication devices are arranged in different industrial environments;
each of the fire emergency communication devices includes: the voice monitoring system comprises a voice acquisition module, a coding and decoding module, a communication module, a control module and a loudspeaker module;
the voice acquisition module, the control module and the loudspeaker module are connected with the communication module;
the voice acquisition module is used for acquiring the audio frequency of the user;
the coding and decoding module is used for coding the audio of the user to obtain the first audio signal;
the communication module is used for receiving a third audio signal output by the adjacent fire-fighting emergency communication equipment and sending the first audio signal to the adjacent fire-fighting emergency communication equipment;
the control module is used for receiving the first audio signal and the third audio signal and reading a second audio signal stored in advance when the first audio signal is received; the control module is further configured to output any one of the first audio signal, the second audio signal and the third audio signal to the encoding and decoding module;
the coding and decoding module is further configured to decode the first audio signal to obtain a first voice signal, decode the second audio signal to obtain a second voice signal, and decode the third audio signal to obtain a third voice signal;
the loudspeaker module is used for playing at least one of the first voice signal, the second voice signal and the third voice signal under the control of the control module.
2. A fire emergency communication system according to claim 1, wherein any two adjacent fire emergency communication devices communicate with each other via ethernet or optical fiber.
3. A fire emergency communication system as claimed in claim 1, wherein the fire emergency communication device further comprises: a first storage module and a second storage module;
the first storage module is used for storing the first audio signal;
the second storage module is used for storing the second audio signal.
4. A fire emergency communication system according to claim 1, wherein the communication module further comprises: a switch unit and a transmission unit;
the switch unit is connected between the control module and the transmission unit and used for transmitting the first audio signal to the transmission unit and transmitting the third audio signal to the control module;
the transmission unit is used for communicating with adjacent fire-fighting emergency communication equipment, accessing a third audio signal output by the adjacent fire-fighting emergency communication equipment, and transmitting the first audio signal to the adjacent fire-fighting emergency communication equipment.
5. A fire emergency communication system according to claim 1, wherein the switch unit includes a switch chip;
the transmission unit comprises at least one RJ45 interface.
6. A fire emergency communication system as claimed in claim 1, wherein the fire emergency communication device further comprises: the power amplification module is connected between the coding and decoding module and the loudspeaker module, and amplifies the first voice signal, the second voice signal or the third voice signal.
7. A fire emergency communication system as claimed in claim 1, wherein the fire emergency communication device further comprises: an IIS bus; the IIS bus is connected between the coding and decoding module and the control module, and the coding and decoding module is communicated with the control module through the IIS bus.
8. A fire emergency communication method applied to the fire emergency communication system according to any one of claims 1 to 7, comprising:
collecting audio of a user;
coding the audio of the user to obtain a first audio signal, and simultaneously reading a second audio signal which is stored in advance; the first audio signal comprises voice information of a user, and the user carries out interactive communication with an external manager through the first audio signal; the second audio signal comprises fire broadcast information; receiving a third audio signal;
decoding the first audio signal to obtain a first voice signal, decoding the second audio signal to obtain a second voice signal, or decoding the third audio signal to obtain a third voice signal;
playing at least one of the first voice signal, the second voice signal and the third voice signal.
9. A fire emergency communication method according to claim 8, wherein before playing any one of the first voice signal, the second voice signal, and the third voice signal, further comprising:
amplifying the first voice signal, the second voice signal or the third voice signal.
CN201910166634.7A 2019-03-06 2019-03-06 Fire-fighting emergency communication system and fire-fighting emergency communication method Active CN110011889B (en)

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