CN104735628B - A kind of wireless support member system and method in the special area scene of a fire - Google Patents
A kind of wireless support member system and method in the special area scene of a fire Download PDFInfo
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- CN104735628B CN104735628B CN201310703673.9A CN201310703673A CN104735628B CN 104735628 B CN104735628 B CN 104735628B CN 201310703673 A CN201310703673 A CN 201310703673A CN 104735628 B CN104735628 B CN 104735628B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
Abstract
The present invention relates to fire scene rescue field, specifically a kind of wireless support member system and method in the special area scene of a fire, support member is set in the building of the scene of a fire, and communication command box is set to outside the building of the scene of a fire, and support member and communication command box are wirelessly connected.The present invention solves the technical barrier substantially weakened after the jump of signal multistage and establishes real-time radio voice communication network in the weaker interior of building of intercom signal.
Description
Technical field
The present invention relates to fire scene rescue field, the specifically a kind of special area scene of a fire is wireless support member system and side
Method.
Background technology
The skyscraper that largely occurs in urbanization process, subway, tunnel, Large Underground parking lot, have become fire
The international problem of prevention and control, and being built in this one high and one low 2 major class, due to its closing and semi-enclosed structure, determine once
The disaster accidents such as fire occur, whether live traffic guidance is unimpeded, the process of entire fire attack will be directly influenced.
The profession rescue communication of above-mentioned specific region, signal sharp-decay in short distance, therefore, the big work(of conventional dependence
The mode of rate relay station, cannot be satisfied practical application, and be directed to above-mentioned difficult point, both at home and abroad not yet corresponding matured product and
Technical specification.Only by taking fire-fighting as an example, the cordless communication network of current fire brigade is made of three-level, forms covering army unit, branch
（Greatly）The Scheduling System of team, squadron, it is main using simulation conventional system, have that Operation and Maintenance is simple, onsite application is easily special
Point.It is required that ensure specific region closing with semiclosed limited range in inside and outside communication, it is desirable that first line of a couplet covered ground big net, under connect
Fight teams and groups, floor manager.Both can make to enter scene（It is internal）Rescue personnel situation is spread out of in time so that floor manager
Situation is correctly grasped in time, adjusts tactics, also makes external personnel（Commander, observation post）It is notified to situation, especially prominent
In the case of hair, the inherently safe of rescue personnel is protected in publication Evacuation instruction.
Currently, the conventional solution of " solution " above problem and as follows：
1）Station is born using individual soldier's single node.By specified personnel, carrying bears station and advances by leaps and bounds, and rests on signal covering side
Edge, signal forwarding or the artificial transfer being responsible for inside and outside closed interval.
2）Trunking scheme, such as communication truck, with high antenna are used in building external（Lift）, high-power mode, Xiang Jian
Building body internal emission signal.
Compare 2 schemes, when advance by leaps and bounds apart from it is larger when or segmentation wall it is more when, the former can not be real inside fire attack people
Member provides signal support；Due to the imbalance of uplink and downlink signals intensity, often the rescue personnel inside receives is referred to the latter
It enables, can not but ensure uplink signal, the case where subregion forms one-way communication.Therefore, traditional mode, can not be fundamentally
Ensure the inside and outside communication under the conditions of complex building.And actual conditions are, the situation more bigger disaster field of complex building scale, collection
The army of knot is more, higher to the dependency degree of communication.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of wireless support member system in the special area scene of a fire, by setting
Count one group of support member node, each support member both can as the intercom in transmitting-receiving node and its signal cover into
Row voice communication, and wireless relay nodes can be used as, the intercom signal received is sent to next node, is ensured
The inside and outside communication of complex building is normally carried out.
Present invention technical solution used for the above purpose is：
A kind of wireless support member system in the special area scene of a fire, support member are set in the building of the scene of a fire, traffic guidance
Case is set to outside the building of the scene of a fire, and support member and communication command box are wirelessly connected.
The support member includes sequentially connected intercom module, master control borad and OPM modules；
The intercom module is wirelessly connected talk back equipment, is communicated with talk back equipment；
The master control borad is the microcontroller with control management, encoding and decoding speech, serial communication and voice control function, including
Audio input interface, analog to digital conversion circuit, voice coding module, control management module, serial communication interface, tone decoding mould
Block, D/A converting circuit, audio output interface, acoustic control management module and PTT pull down interface；Wherein audio input interface, modulus
Conversion circuit, voice coding module and control management module are sequentially connected；Control management module is connected by serial communication interface
OPM modules；Control management module passes sequentially through tone decoding module, D/A converting circuit and audio output interface and is connected to intercommunication
Machine module；Control management module passes sequentially through acoustic control management module and connects intercom module with PTT drop-down interfaces.
Power supply module connects the intercom module, master control borad and OPM modules, gives above-mentioned module for power supply.
It is wirelessly connected by OPM modules between each two support member, makes to communicate between support member, realized
Signal relays.
The communication command box includes upper cover and babinet；
Display system is set in upper cover, and voice transmitting-receiving module is connected by mainboard；
Babinet is divided into component rest area and equipment rest area, and support member is positioned over component rest area, with scene of a fire building
Interior support member communication；Intercom module, voice transmitting-receiving module and OPM modules are sequentially connected and are positioned over equipment rest area,
OPM modules are wirelessly connected support member in babinet, and communicate with.
The intercom module includes the radio station 350M module and the radio station 800M module, and is wirelessly connected talk back equipment, and right
Say that equipment communicates.
Power supply module connects support member, intercom module, voice transmitting-receiving module and OPM modules in babinet, gives above-mentioned mould
Block is powered.
A kind of wireless support method in the special area scene of a fire, the support member in the building of the scene of a fire receive what talk back equipment was sent out
After signal, pass through the communication for command case being sent to after the relay transmission between support member outside the building of the scene of a fire, communication for command case
The signal received is sent to the talk back equipment outside the building of the scene of a fire, completes the inside and outside communication in the scene of a fire.
Communication pattern is with frequency pattern or alien frequencies pattern inside and outside the building of the scene of a fire.
The invention has the advantages that and advantage：
1. communicating unimpeded this invention ensures that special area place is inside and outside, can quickly be established pair in interior of building
It says machine communication network, solves the problems, such as interior of building and PERCOM peripheral communication.
2. the component design of the present invention is small and exquisite, easy to carry, while having the function of waterproof, fire prevention etc..
3. using advanced wireless communication technique OPM, used by the suitable motor-driven state to Internet resources, realizes the big rule of dynamic
Module net allows the utilization rate of Internet resources to reach its moment maximum value.
4. the application of the present invention can improve the efficiency of accident rescue to a certain extent, causality loss is reduced.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention；
Fig. 2 is the support member Principle of Communication figure of the present invention；
Fig. 3 is the structure chart of mainboard in the component of the present invention；
Fig. 4 is the anti-interference test of the OPM modules of the present invention and communication test figure；
Fig. 5 is the communication for command case Principle of Communication figure of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
It is as shown in Figure 1 the system construction drawing of the present invention.Including：Traffic guidance's babinet and support member.
Commander's babinet, main function include：Place support member, first line of a couplet ground communication big net, second line of a couplet rescue site
The support member of interior of building and the node administration of support member, frequency point management etc.；
The support member, main function include：Component intercom signal covering nearby, i.e., with 50M ranges near component
Interior intercom is conversed；And relay wireless signals forwarding, i.e., receiving in coverage area while intercom signal
Wireless signal can be forwarded to next component nodes as relay node.
A kind of commander's babinet of the wireless support member system in special area scene of a fire is typically placed in outside building, group
Part in sequence, extends to interior of building place successively.Therefore, if interior of building intercom signal it is weaker or disappear,
The present invention quickly can establish interphone communication network in interior of building, solve the difficulty of interior of building and PERCOM peripheral communication
Topic.
It is illustrated in figure 2 the support member Principle of Communication figure of the present invention.
The main function of support member is component intercom signal covering nearby, schematic diagram such as Fig. 2 of point-to-point transmission communication.Often
A component includes：Power supply module, 350m intercoms module, master control borad and OPM wireless communication modules.
The Principle of Communication of support member is：Intercom signal in component A coverage areas is connect by 350M intercom modules
Enter master control borad, carries out being sent to component B by OPM wireless modules after code conversion, lead to after recycling the master control borad decoding of component B
Cross the intercom that 350M intercom modules are sent in component B coverage areas.
Another critical function of support member is signal relaying：The wireless signal of component A can be sent to component B,
The wireless signal of component A is also forwarded to other assemblies by component B simultaneously.
The design method of the support member includes：Master control borad module design.The function of master control borad is in communication component：Control
Tubulation reason, encoding and decoding speech, serial communication and voice control function.Its core is SPCE061A processors, and SPCE061A is a 16
The microcontroller of bit architecture includes mainly input/output end port, timer/counter, D/A switch, analog/digital conversion, serial
The parts such as equipment input and output, universal asynchronous serial interface, low-voltage monitoring and reset, and built-in online artificial circuit ICE
Interface, higher processing speed can quickly handle complicated digital signal.
It is illustrated in figure 3 the structure chart of mainboard in the component of the present invention.
Include mainly two processes.
1, conversion of the intercom signal to OPM signals.Audio input interface is used to receive the analog signal of intercom, passes through
After analog to digital conversion circuit is digitized, voice coding hardware module is recycled to be encoded, then controls management module to language
Sound signal is analyzed, while measuring the field strength of current OPM wireless signals, calculates the transmitting path of current speech data, then
It is sent to OPM wireless modules by serial communication interface.
2, conversion of the OPM signals to intercom signal.After OPM wireless modules receive signal, pass through serial communication interface
It is sent to control management module and is analyzed, isolate voice data and control data, and voice data is decoded, then
After carrying out digital-to-analogue conversion, intercom is sent to by audio output interface；Meanwhile acoustic control management module receives voice signal
Afterwards, it sends a drop-down PTT and instructs the emission mode for triggering intercom to intercom.
Intercom module design.The effect of intercom module is and component accessories interphone communication.Module communication process is：
Emit Speech processing, modulation, power amplification, receive voice, low noise amplification, signal demodulation.The characteristics of this module is：Volume
It is small（31.750*20.828mm）, integrated level is high, and only the control of the external MCU of need, audio frequency power amplifier, microphone, loudspeaker can work.
OPM wireless communication modules design.The effect of OPM modules is the wireless communication link between establishing component.OPM networks
Both slitless connection can be realized with the existing building equipment of the communications industry, it is flat at the same time as a technology of large-scale wireless network
Platform is realized：The various applications such as Internet of Things sensing network, positioning network, car networking, wireless broadband Internet access, emergency network.OPM technologies
It is used by the suitable motor-driven state to Internet resources, is not necessarily to fixed topological structure on the net in group and frequency is distributed, realize that dynamic is big
Scale networking.For example, during wireless multi-hop transmits, the path that each data packet is generated using dynamic, and often jump institute
The frequency used also dynamically generates.The utilization rate of Internet resources can reach its moment maximum value in this way.
Fig. 4 is the anti-interference test of the OPM modules of the present invention and communication test figure, it is seen then that OPM networks are relative to conventional wireless
Network has two big advantages：
1）Strong interference immunity provides reliable voice communication link；
2) multi-hop decaying is low, and after 1 jumps, channel width substantially reduces conventional wireless network, cannot achieve voice substantially
Communication, and OPM decaying is seldom, channel width still has 90% after 5 jump, can be with transmission of speech signals.
The design method of the support member includes：Power supply module designs.Power supply module uses explosion-proof lithium battery, can be in fire
Normal use under field rescue environment.Specification is：7.4V/4.6A, size：93*72*28, stand-by time 10 hours.
It is illustrated in figure 5 the communication for command case Principle of Communication figure of the present invention.Including：Power supply module, 350M and 800M intercommunications
Machine module, voice transmitting-receiving module and OPM modules.Wherein, voice transmitting-receiving module is the master control borad in communication component, realizes control pipe
Reason, encoding and decoding speech, serial communication and voice control function；Mainboard is a built-in industrial control machine for being mounted with middle control management software,
For receiving user's input, and drive the communications status of display system displaying current component.Due to OPM modules, voice transmitting-receiving mould
Block（Master control borad in component）It has illustrated above, the design of mainboard and middle control software is introduced at this.
The design of the communication command box includes：Mainboard and middle control Software for Design
For mainboard module using a built-in industrial control machine, processor is atom D525 double-core 1.8GHZ, and power consumption is less than
15W.It is communicated by serial ports and voice transmitting-receiving module.Include mainly two functions：Component parameter configures and component states are shown.Tool
Body is by middle control software realization.
Middle control software function includes：（1）Component states are shown：Shutdown, booting, call；（2）Component nodes management function：
In net, off-grid, signal quality；（3）Center controls, and is forwarded with being received all the way under frequency pattern；（4）OPM modules control, and realize transmitting
Uniqueness.
The design of the communication command box includes communication cabinet design
In order to reach fire-fighting waterproof, put trample, heat safe requirement, Systematic selection Wan get Fu waterproof storage compartments have
The characteristics of high intensity, high impact-resistant.Babinet uses the macromolecule polymeric material integrated injection molding of high impact-resistant；Using flat type bullet
Property foaming sealing rubber strip, it is ensured that waterproofing and airtight；All hinged shafts use stainless steel material, anti-corrosion durable；Working range is -25
DEG C to+80 DEG C meet fire-fighting application particular/special requirements.
The design of the communication command box includes power-supply service
The overall power consumption for communicating babinet is less than 50W, wherein main energy consumption equipment is master control and display system.Disappear to reach
Anti- application demand provides city and is electrically accessed and high-capacity lithium battery power supply two ways.Wherein lithium electricity is direction AN type lithium ions
2 to 3 hours normal operations may be implemented in battery, parameter 14.8V130WH.
The present invention relates to the structure design of support member and communication babinet, the appearance and internal junction of component and communication babinet
Structure.Three parts of component point：PVC domes, aluminum upper cover and aluminum base, interface are designed with waterproof washer, and size is：Diameter
14.5CM, height 10CM.All switches and connector also reach fire-fighting application requirement, switch selection waterproof high-quality Metal snap
Switch, specially 16MM tack homing position type non-self-lock-ing switch；Charging and configuration interface are YD20-5 core waterproof aviation plugs.
Communication box is divided into two parts of upper cover and babinet.Display system is installed, for control software in showing in upper cover
Runnable interface；Babinet is divided into two regions：Component rest area and equipment rest area, when use, open top panel, you can taking-up group
Part.
With frequency pattern：If the intercom frequency point of component is identical, once there are one components to emit signal, other assemblies are also same
When launch the signal of identical frequency point, necessarily interfere, a kind of method of simple possible is：Adjust the intercommunication acc power of component
And the placement distance between component, it is ensured that the intercom signal cover of two components is not overlapped or is overlapped less, communication
Control management software and each component real-time Communication for Power pass through nothing first once some component receives intercom signal in being run in case
Wired link and middle control software establish connection, and whether inquiry currently has other assemblies also to receive intercom signal, if so, then selecting
The preferable component of OPM wireless signals is selected as unique intercom signal receiving end, is received after signal through OPM wireless modules
Launch signal, the uniqueness of OPM wireless transmissions has been achieved.Also a kind of situation needs to consider：Component 2 and component 3 are same
When receive the wireless signal of component 1, and signal is emitted by 350M intercom modules simultaneously, if between component distance compared with
Closely, it is possible to the case where interfering with each other.In this case, it can be solved by alien frequencies use pattern.
Alien frequencies pattern：It is required that frequency point there are two between component or more, there are one frequency points for preferably each component tool.Total
For, all there are problems that with the use under frequency pattern and alien frequencies pattern, caused by this is interphone communication principle, in reality
In use, suggesting using alien frequencies pattern, the connection of communication link can be ensured.
Claims (6)
1. a kind of wireless support member system in the special area scene of a fire, it is characterised in that：Support member is set in the building of the scene of a fire,
Communication command box is set to outside the building of the scene of a fire, and support member and communication command box are wirelessly connected；
It is wirelessly connected by OPM modules between each two support member, makes to communicate between support member, realize signal
Relaying.
2. the wireless support member system in a kind of special area scene of a fire according to claim 1, it is characterised in that：
The support member includes sequentially connected intercom module, master control borad and OPM modules；
The intercom module is wirelessly connected talk back equipment, is communicated with talk back equipment；
The master control borad is the microcontroller with control management, encoding and decoding speech, serial communication and voice control function, including audio
Input interface, analog to digital conversion circuit, voice coding module, control management module, serial communication interface, tone decoding module, number
Analog conversion circuit, audio output interface, acoustic control management module and PTT pull down interface；Wherein audio input interface, analog-to-digital conversion electricity
Road, voice coding module and control management module are sequentially connected；It controls management module and OPM moulds is connected by serial communication interface
Block；Control management module passes sequentially through tone decoding module, D/A converting circuit and audio output interface and is connected to intercom mould
Block；Control management module passes sequentially through acoustic control management module and connects intercom module with PTT drop-down interfaces.
3. the wireless support member system in a kind of special area scene of a fire according to claim 2, it is characterised in that：Power supply module
The intercom module, master control borad and OPM modules are connected, above-mentioned module for power supply is given.
4. the wireless support member system in a kind of special area scene of a fire according to claim 1, it is characterised in that：
The communication command box includes upper cover and babinet；
Display system is set in upper cover, and voice transmitting-receiving module is connected by mainboard；
Babinet is divided into component rest area and equipment rest area, and support member is positioned over component rest area, in the building of the scene of a fire
Support member communicates；Intercom module, voice transmitting-receiving module and OPM modules are sequentially connected and are positioned over equipment rest area, OPM moulds
Block is wirelessly connected support member in babinet, and communicates with.
5. the wireless support member system in a kind of special area scene of a fire according to claim 4, it is characterised in that：The intercommunication
Machine module includes the radio station 350M module and the radio station 800M module, and is wirelessly connected talk back equipment, is communicated with talk back equipment.
6. the wireless support member system in a kind of special area scene of a fire according to claim 4, it is characterised in that：Power supply module
Support member, intercom module, voice transmitting-receiving module and OPM modules in babinet are connected, above-mentioned module for power supply is given.
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| CN104735628B true CN104735628B (en) | 2018-08-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110649954B (en) * | 2018-06-27 | 2021-12-24 | 海能达通信股份有限公司 | Communication method, device and equipment for same-frequency multi-level transfer |
| CN110475311B (en) * | 2019-10-12 | 2020-07-03 | 展讯通信（上海）有限公司 | Voice or data transmission method, device, system and storage medium |
| CN112491526B (en) * | 2020-11-28 | 2021-07-30 | 深圳前海数字贸易科技服务有限公司 | Special supervision area service monitoring and management method and system |
| CN115174624A (en) * | 2022-07-04 | 2022-10-11 | 南京耀泽电子科技有限公司 | Individual soldier comprehensive monitoring system and monitoring method for emergency rescue |
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