CN103200339A - Tunnel emergency communication system and method - Google Patents
Tunnel emergency communication system and method Download PDFInfo
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- CN103200339A CN103200339A CN2013100769851A CN201310076985A CN103200339A CN 103200339 A CN103200339 A CN 103200339A CN 2013100769851 A CN2013100769851 A CN 2013100769851A CN 201310076985 A CN201310076985 A CN 201310076985A CN 103200339 A CN103200339 A CN 103200339A
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Abstract
The invention discloses a tunnel emergency communication system and a method. The system comprises communication site equipment, central control equipment and transmission cables, wherein the communication site equipment comprises at least one call terminal and a call button of the call terminal is triggered to send out an emergency call to the central control equipment. The central control equipment comprises a management terminal, a main machine and an attending machine, wherein the main machine controls the attending machine to establish communication with the call terminal and to record communication data, and the management terminal processes the communication data. The main machine in the central control equipment supplies power for the communication site equipment through the transmission cables in a centralized mode. As the central control equipment supplies power for the communication site equipment through the transmission cables in the centralized mode, the problem that use of electricity in tunnel environment is difficult is solved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of tunnel emergency communication system and method.
Background technology
The tunnel emergency communication system is a kind of personal communication system, the tunnel in emergency circumstances, the Field Force can send relief to the machine room person on duty very first time.The Field Force sends calling, report accident or proposes relief to control centre by the call terminal at scene, handles thereby make control centre carry out emergency management and rescue rapidly, in time according to the information that obtains, and reduces life and property loss to greatest extent.
In the communication of existing emergency traffic, commonly used have railway section conversation column system and a highway emergency system.Railway section conversation column system can provide a plurality of terminals, but each terminal conllinear, the information that provides is the same, and positioning function can not be provided, and needs the user of service to carry call terminal.Highway emergency system terminal need just can realize communication by power taking nearby.Because power taking in railway tunnel is difficult, during fire, will cut off the electricity supply in the tunnel, so be difficult for realizing.In addition, environment is special in the railway tunnel, and bigger variation can take place the tunnel inner air pressure when crossing train, and easily the call terminal to the not special protective treatment of process causes damage.
For realizing the emergency communication of tunnel particular surroundings, therefore need a kind of new tunnel emergency communication system of exploitation to address the above problem.
Summary of the invention
One of technical problem to be solved by this invention is need provide a kind of can adapt to the tunnel particular surroundings, solves the tunnel emergency communication system of powerup issue.
In order to solve the problems of the technologies described above, the invention provides a kind of tunnel emergency communication system, described system comprises communication field apparatus, central control equipment and transmission cable, wherein, described communication field apparatus, it comprises at least one call terminal, by triggering the talk button of described call terminal, sends urgent call to described central control equipment; Described central control equipment, it comprises office terminal, main frame and attended computer, and the described attended computer of described host computer control is communicated by letter with described call terminal foundation and is recorded its communication data, and handle described communication data described office terminal; Main frame in the described central control equipment carries out centrally connected power supply by described transmission cable to described communication field apparatus.
In one embodiment, also comprise communication interval equipment, described communication interval equipment accesses between described communication field apparatus and the central control equipment by described transmission cable, and wherein said communication interval equipment comprises repeater.
In one embodiment, also comprise: remote end module, it accesses between described communication field apparatus and the central control equipment by described transmission cable as one of communication interval equipment, and the main frame of described central control equipment further comprises the local side module that is associated with described remote end module, and described remote end module and described local side module are by cooperating to realize the signal long-distance transmissions.
In one embodiment, described call terminal comprises casing and the door closure that speaking circuit, panel, employing non-ferrous alloy and stainless steel are made.
In one embodiment, described panel is provided with loud speaker, one-touch talk button and microphone.
In one embodiment; described speaking circuit comprises control circuit, signal sending circuit, signal receiving circuit, power supply circuits, protective circuit and interface circuit, and described call terminal carries out full duplex call by described signal sending circuit and signal receiving circuit and described attended computer.
In one embodiment, the signal sending circuit in the described speaking circuit sends the code signal that contains described call terminal numbering to the signal receiving circuit of described main frame; The signal receiving circuit of described main frame is determined the geographical position of described call terminal according to the code signal that receives.
In one embodiment, when the multi-way call terminal was sent urgent call to described central control equipment, the sequencing that described main frame is called out according to call terminal controls each call terminal respectively and described attended computer communicates.
In one embodiment, also comprise the recording integrated circuit board, system database is set up according to described communication data in described office terminal, and cooperates described recording integrated circuit board to the preservation of recording of communicating by letter between described attended computer and the described call terminal.
According to a further aspect in the invention, also provide a kind of tunnel emergency communication method, having comprised: by triggering the talk button of at least one call terminal in the communication field apparatus, sent urgent call to central control equipment; The attended computer of the described central control equipment of host computer control of described central control equipment is communicated by letter with described call terminal foundation and is recorded its communication data, and handle described communication data the office terminal of described central control equipment; Main frame in the described central control equipment carries out centrally connected power supply by transmission cable to described communication field apparatus.
Compared with prior art, one or more embodiment of the present invention can have following advantage:
(1) central control equipment of system of the present invention carries out centrally connected power supply by transmission cable to the communication field apparatus, has solved the problem of difficulty of tunnel environment power taking.
(2) Field Force is by triggering the one-touch talk button of the call terminal of communication field apparatus in the tunnel, can set up with central control equipment and communicate by letter and then send callings, report accident or proposition and succour, have easy to operate, not fragile, lower-cost advantage.
(3) central control equipment of system of the present invention contains the position that the coded message of call terminal numbering can the on-the-spot call conversation terminal of localized tunnel by parsing, handle thereby make control centre carry out emergency management and rescue rapidly, in time according to the information that obtains, reduce life and property loss to greatest extent.
(4) the system communication field apparatus has very high degree of protection, thereby can adapt to complex environments such as the high blast variation in tunnel, humidity and high dust.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in specification, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used for jointly explaining the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the composition frame chart according to tunnel of the present invention emergency communication system;
Fig. 2 is the structural representation according to the execution mode of tunnel of the present invention emergency communication system;
Fig. 3 is the structural representation according to another execution mode of tunnel of the present invention emergency communication system;
Fig. 4 is the structural representation of communication terminal according to an embodiment of the invention;
Fig. 5 is conversation principle schematic according to an embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, the composition frame chart that has wherein shown tunnel emergency communication system according to an embodiment of the present invention.
This tunnel emergency communication system mainly comprises communication field apparatus 101, central control equipment 102 and transmission cable.Wherein, communication field apparatus 101, it comprises at least one call terminal (for example telephone set), by triggering the talk button of call terminal, sends urgent call to central control equipment 102; Central control equipment 102, it comprises office terminal 102a, main frame 102b and attended computer 102c, and main frame 102b controlling value airliner 102c communicates by letter with call terminal foundation and records its communication data, and office terminal 102a is, and communication data is handled; Main frame 102b in the central control equipment 102 utilizes transmission cable to realize communication field apparatus 101 is carried out centrally connected power supply.
Because centralized power supply system is adopted in system's power supply, the working power of call terminal is supplied with through transmission cable by main frame 102b, need not provide storage battery or other power supply at the scene, tunnel, has so just solved the problem of power taking difficulty in the tunnel.
Need to prove that when carrying out the short-range communication transmission, the main frame 102b in this central control equipment 102 directly is connected with communication field apparatus 101 by transmission cable.Yet when carrying out telecommunication, this system comprises that also communication interval equipment 103(is as shown in Figure 1), it accesses between communication field apparatus 101 and the central control equipment 102 by transmission cable.This equipment 103 comprises repeater and/or remote end module, when this equipment 103 comprises remote end module, the main frame 102b of central control equipment 102 further comprises the local side module that is associated with remote end module, and local side module and remote end module collaborative work are to realize the long-distance transmissions of signal.
Need to prove, when being provided with repeater, preferably different look the transfer cable wire footpath every about 20km～30km() can provide the place of power supply to arrange one on the way, it not only will amplify voice signal and data-signal, also will be follow-up trackside call terminal remote power feeding simultaneously.
Fig. 2 has shown the structural representation according to the execution mode of tunnel of the present invention emergency communication system.In order to realize telecommunication, added local side module (being arranged among the main frame 102b) and remote end module 104(is as shown in Figure 2), by the two collaborative work, make the operator on duty in a distant place can handle urgent call.
In addition, central control equipment not only can connect the communication field apparatus in a tunnel, can also connect the communication field apparatus in a plurality of tunnels by remote end module, specifically as shown in Figure 3.
The structure of call terminal to communication field apparatus 101 describes below.Please refer to Fig. 4, call terminal comprises panel 202, casing 203, door closure 204 and the speaking circuit (not shown in Figure 4) that adopt non-ferrous alloy and stainless steel to make.Because casing 203 and door closure 204 adopt non-ferrous alloy and stainless steel to make, and by particular design, processing and processing, therefore can guarantee anticorrosion anti-corrosion, moistureproof, the anti-blast of call terminal, shockproof, prevent electromagnetism and explosion-proof, dustproof, waterproof, make this call terminal can adapt to the high blast environment in the tunnel.
As shown in Figure 4, the panel 202 of call terminal is provided with loud speaker 202a, one-touch talk button 202b and microphone 202c.The Field Force by 202b and the central control equipment 102 that push button set up communicate by letter after, utilize microphone 202c just can to converse with the attended computer 102c of central control equipment 102.
Because this call terminal only contains a button 202b, during emergency, the Field Force only needs can communicate by letter with central control equipment 102 foundation by pressing this button.This one-touch method of calling has been simplified Field Force's method of calling in the tunnel.
Preferably, on panel 202, also be provided with indicator light (not shown in Figure 4), be used for showing the button 202b of call terminal, because the illumination in the tunnel is relatively poor, especially after the tunnel illumination outage, be provided with indicator light, just can under the situation of tunnel dark, initiate a key and call out.
In the present embodiment, loud speaker 202a, microphone 202c and indicator light are by special processing, its degree of protection can reach IP65, can prevent foreign object (for example dust and water) intrusion fully, and high like this degree of protection makes this call terminal can bear long-time big blast impact in the tunnel.
Preferably, microphone 202c adopts the hand-free call mode, and is simple to operate, the fast and convenient conversation when being convenient to emergency.Preferably, loud speaker 202a adopts powerful loud speaker, guarantees that conversation sound is loud and clear.
Fig. 5 is conversation principle schematic according to an embodiment of the invention, and as shown in Figure 5, speaking circuit comprises control circuit 302, signal sending circuit 303, signal receiving circuit 304, power supply circuits 305, protective circuit 306 and interface circuit.Call terminal carries out full duplex call by speaking circuit and attended computer 102c.
Speaking circuit is a high performance communication module, mainly finishes with the communicating to connect of main frame 102b, speech channel and links up, sends and receive every work such as various data messages, speaker phone talk and detection.After the user pushed button 202b, user's sound converted to by microphone 202c and is amplified to suitable level through transmit amplifier 303a behind the electric signal and delivers to signal sending circuit 303 again.Signal sending circuit 303 sends the various data-signals that call terminal transmits to main frame 102b.
The various data-signals that the signal sending circuit 402 that signal receiving circuit 304 receives main frame 102b is sent here, for example, set up conversation, speech channel is taken out stitches, start data-signals such as test, and after reception amplifier 304a amplifies, convert the voice signal that main frame 102b sends to acoustical signal by loud speaker.
Work and the power supply of control circuit 302 each circuit of control are supplied with, and it can be realized by digital signal microprocessor.Power supply circuits 305 obtain power supply from circuit, and line voltage distribution is transformed into the required voltage of each cell operation.This protective circuit 306 can make call terminal possess advantages such as anti-lightning strike, anti-power line interference for the protection of this call terminal, and the environment for use of call terminal has determined whether speaking circuit need have protective circuit 306.
In another embodiment of the present invention, after the user pushes button 202b, control circuit 302 control signal transtation mission circuits 303 are when sending acoustical signal, also the signal receiving circuit 401 to main frame 102b sends the code signal that contains the call terminal numbering, the code signal that main frame 102b basis receives is determined the geographical position of call terminal, makes this system possess positioning function.
Need to prove that this code signal can be the Dual Tone Multifrequency signal, also can be frequency shift keying (FSK) signal, or the conversation frequency band (signal outside 300～3400Hz).This code signal is modulated into analog signal through modem chip and transmits at the transmission cable circuit.Main frame 102b receives behind the code signal numbering of show Calls call terminal on the one hand, to attended computer 102c ring, sends the order of setting up conversation to the call conversation terminal again simultaneously, in order to connect speech channel and power supply.
Need to prove that when the multi-way call terminal was sent urgent call to central control equipment 102, the sequencing that main frame 102b calls out according to call terminal controls each call terminal respectively and attended computer 102c communicates, other calling terminal is waited in line.Owing to waiting in line under the state, call terminal must be accomplished power saving to greatest extent, therefore each element circuit is kept the work except control circuit consumes small amount of electrical energy, other circuit is only just connected power supply by control circuit 302 control electronic switches when needs work, the call terminal in the assurance tunnel consumes minimum electricity can realize its function.
As shown in Figure 5, with the transmit amplifier 303a of signal sending circuit 303 and signal receiving circuit 304 collaborative works and reception amplifier 304a except the gain of satisfying base amplifier, frequency response, nonlinear distortion etc. require, preferably, for transmit amplifier 303a, the amplifier that its selection has higher gain should solve noise problem with emphasis; For reception amplifier 304a, then select the amplifier with higher efficient for use, in order to utilize limited energy supply to reach maximum acoustic loudness, guarantee call voice quality height, sound is clear.
In another embodiment of the present invention, this system also comprises the recording integrated circuit board, this recording integrated circuit board preferably is integrated among the 102a of office terminal, office terminal 102a sets up system database according to the communication data of call terminal and attended computer 102c, and cooperates the recording integrated circuit board to the preservation of recording of communicating by letter between attended computer 102c and the call terminal.The office terminal cooperates that the recording integrated circuit board can be recorded automatically to the dialog context of call terminal and attended computer 102c, playback, and can the metered call date, information such as time, call terminal numbering.Preferably, office terminal 102a can also carry out certain commander and scheduling to the scene, tunnel according to data message, and can record on-the-spot event and result thereof.
In another embodiment of the present invention, communication interval equipment 103 is connected by bus mode with a plurality of call terminals.Transmission cable and multi-way call terminal adopt the bus type connected mode, and every group of circuit can and connect the multi-section call terminal.For example, every four-core transmission cable can be connected in series nearly 99 call terminals, can use transmission cable to greatest extent, can guarantee again in a plurality of places in tunnel call terminal to be installed all.
Though the disclosed execution mode of the present invention as above, the execution mode that described content just adopts for the ease of understanding the present invention is not in order to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite that does not break away from the disclosed spirit and scope of the present invention; can do any modification and variation in the details of implementing that reaches in form; but scope of patent protection of the present invention still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. tunnel emergency communication system, described system comprise communication field apparatus, central control equipment and transmission cable, wherein,
Described communication field apparatus, it comprises at least one call terminal, by triggering the talk button of described call terminal, sends urgent call to described central control equipment;
Described central control equipment, it comprises office terminal, main frame and attended computer, and the described attended computer of described host computer control is communicated by letter with described call terminal foundation and is recorded its communication data, and handle described communication data described office terminal;
Main frame in the described central control equipment carries out centrally connected power supply by described transmission cable to described communication field apparatus.
2. the system as claimed in claim 1 is characterized in that, also comprises communication interval equipment,
Described communication interval equipment accesses between described communication field apparatus and the central control equipment by described transmission cable, and wherein said communication interval equipment comprises repeater.
3. system as claimed in claim 1 or 2 is characterized in that, also comprises:
Remote end module, it accesses between described communication field apparatus and the central control equipment by described transmission cable as one of communication interval equipment, and
The main frame of described central control equipment further comprises the local side module that is associated with described remote end module, and described remote end module and described local side module are by cooperating to realize the signal long-distance transmissions.
4. the system as claimed in claim 1 is characterized in that, described call terminal comprises casing and the door closure that speaking circuit, panel, employing non-ferrous alloy and stainless steel are made.
5. system as claimed in claim 4 is characterized in that, described panel is provided with loud speaker, one-touch talk button and microphone.
6. system as claimed in claim 4; it is characterized in that; described speaking circuit comprises control circuit, signal sending circuit, signal receiving circuit, power supply circuits, protective circuit and interface circuit, and described call terminal carries out full duplex call by described signal sending circuit and signal receiving circuit and described attended computer.
7. system as claimed in claim 6 is characterized in that,
Signal sending circuit in the described speaking circuit sends the code signal that contains described call terminal numbering to the signal receiving circuit of described main frame;
The signal receiving circuit of described main frame is determined the geographical position of described call terminal according to the code signal that receives.
8. the system as claimed in claim 1 is characterized in that, when the multi-way call terminal was sent urgent call to described central control equipment, the sequencing that described main frame is called out according to call terminal controls each call terminal respectively and described attended computer communicates.
9. the system as claimed in claim 1, it is characterized in that, also comprise the recording integrated circuit board, system database is set up according to described communication data in described office terminal, and cooperates described recording integrated circuit board to the preservation of recording of communicating by letter between described attended computer and the described call terminal.
10. tunnel emergency communication method comprises:
By triggering the talk button of at least one call terminal in the communication field apparatus, send urgent call to central control equipment;
The attended computer of the described central control equipment of host computer control of described central control equipment is communicated by letter with described call terminal foundation and is recorded its communication data, and handle described communication data the office terminal of described central control equipment;
Main frame in the described central control equipment carries out centrally connected power supply by transmission cable to described communication field apparatus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100769851A CN103200339A (en) | 2013-03-11 | 2013-03-11 | Tunnel emergency communication system and method |
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| CN2013100769851A CN103200339A (en) | 2013-03-11 | 2013-03-11 | Tunnel emergency communication system and method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110099940A (en) * | 2010-03-03 | 2011-09-09 | 이주환 | Emergency disaster prevention management system in tunnel including emergency call emergency call system |
| CN202736253U (en) * | 2012-07-19 | 2013-02-13 | 山东康威通信技术股份有限公司 | Emergent rapid alarm system used in electric power tunnel |
| CN203233473U (en) * | 2013-03-11 | 2013-10-09 | 北京世纪东方国铁科技股份有限公司 | Tunnel emergency communication system |
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- 2013-03-11 CN CN2013100769851A patent/CN103200339A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110099940A (en) * | 2010-03-03 | 2011-09-09 | 이주환 | Emergency disaster prevention management system in tunnel including emergency call emergency call system |
| CN202736253U (en) * | 2012-07-19 | 2013-02-13 | 山东康威通信技术股份有限公司 | Emergent rapid alarm system used in electric power tunnel |
| CN203233473U (en) * | 2013-03-11 | 2013-10-09 | 北京世纪东方国铁科技股份有限公司 | Tunnel emergency communication system |
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Application publication date: 20130710 |