CN112929831A - Emergency communication equipment management method and system - Google Patents
Emergency communication equipment management method and system Download PDFInfo
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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
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
Abstract
The application provides an emergency communication equipment management method and system, wherein the method comprises the following steps: an emergency communication device management method, comprising: acquiring emergency communication equipment information through a position service module, and uploading the emergency communication equipment information to a management platform by adopting a first communication mode and/or a second communication mode; the first communication mode is that the emergency communication equipment information is uploaded to the management platform through a mobile ground network; the second communication mode is that the emergency communication equipment information is uploaded to the management platform through a skynman system; the acquiring emergency device information through the location service module includes: and acquiring the information of the emergency communication equipment through a LORA system and then transmitting the information to the position service module and/or directly transmitting the information of the emergency communication equipment to the position service module. The method and the system can be used for timely, efficient and full-range coverage management of the emergency equipment.
Description
Technical Field
The invention belongs to the field of emergency rescue and disaster relief, and particularly relates to a method and a system for managing emergency communication equipment.
Background
The natural environment conditions of China are changeable, and natural disasters are frequent. Because the coverage of the conventional communication network signals in partial areas is unstable or not, and the field data cannot be transmitted to related monitoring departments in real time, the environmental monitoring and data transmission in the multiple disaster areas become very difficult, when a disaster occurs, a commander cannot timely master the idle emergency equipment, as shown in fig. 1, the allocation mode of the conventional emergency equipment is a conventional emergency equipment allocation mode, when the emergency equipment is allocated, whether the idle equipment is allocated to the disaster area or not needs to be inquired step by step from a province level to a town or a street, the period is long, the efficiency is low, and the implementation of emergency rescue and disaster relief work is severely restricted. More serious, affected areas are often affected by severe natural conditions, the situation of comprehensive paralysis of a ground network communication system occurs, the satellite communication based method is an effective means, however, no effective aerial communication means exists in China, the international emergency satellite communication system still needs to be relied on in the critical period of emergency rescue and disaster relief, when the international emergency satellite communication system stops service due to internal reasons, field information cannot be known in the inner and outer boundaries in a short time, emergency equipment is difficult to rapidly transport to a disaster relief site, and in addition, key transport lines are seriously congested due to the fact that a large amount of disaster relief equipment is gushed into the disaster relief site, and inestimable loss is brought to the earthquake disaster relief site.
Therefore, in case of natural disasters, the management of emergency equipment is an important means. The emergency equipment such as satellite communication equipment, transport vehicles, lighting equipment, investigation equipment, medical rescue equipment and lighting used for rescue is managed in a unified mode, the position information of the emergency equipment is transmitted to an emergency management center in real time through an effective communication means, and the emergency equipment is configured and allocated in a unified mode according to requirements. Due to the difference of development level and attention degree of economic technology in various parts of China, the emergency rescue equipment is provided with certain difference. In general, there are many situations where the equipment is insufficient and falls behind. Therefore, management work of the existing emergency rescue equipment should be done at ordinary times, the equipment is constantly guaranteed to be in a good use state, once a disaster occurs, the state of emergency equipment around the disaster can be inquired through the emergency equipment management platform, and the emergency equipment is reasonably allocated nearby, so that the disaster is reduced to the minimum in a very short time.
The satellite mobile communication system of Tiantong number one is a satellite mobile communication system which is independently developed and constructed in China and is also an important component of space information infrastructure in China. The system consists of a space section, a ground section and a user terminal, and the system is interconnected with a ground public telephone network, a ground mobile communication system network and an Internet network. The novel Beidou satellite communication system is comprehensively covered in China at present, has no blind spot, is not influenced by factors such as terrain, can realize seamless coverage to oceans, mountainous areas, plateaus and the like from top to bottom, has low signal transmission loss in an all-weather working frequency band, is beneficial to miniaturization of terminal equipment, is convenient to carry, has all-weather functions except voice and short message functions, can replace part of Beidou short message functions, has higher real-time performance compared with a Beidou system, and can provide high-quality quasi-broadband connection service for wide sensitive application.
In the prior art, a scheme for positioning management by using an all-satellite system and a Beidou satellite system is provided, but an emergency management scheme with high integration level, good stability and classified management is still lacked.
Disclosure of Invention
Aiming at the problems, the invention provides a method and a system which have high integration level, light weight and small volume, integrate Beidou, GPS, an all-weather system and LORA private network communication and meet the requirements of management and scheduling of various emergency equipment in the air, on the sea and on the ground.
An emergency communication device management method, comprising: acquiring emergency communication equipment information through a position service module, and uploading the emergency communication equipment information to a management platform by adopting a first communication mode and/or a second communication mode;
the first communication mode is that the emergency communication equipment information is uploaded to the management platform through a mobile ground network;
the second communication mode is that the emergency communication equipment information is uploaded to the management platform through a skynman system;
the acquiring emergency device information through the location service module includes: and acquiring the information of the emergency communication equipment through a LORA system and then transmitting the information to the position service module and/or directly transmitting the information of the emergency communication equipment to the position service module.
Further, the collecting the emergency communication device information by the LORA system and transmitting the emergency communication device information to the location service module includes:
the LORA system slave node sets the emergency communication equipment information as a communication information field;
the slave nodes of the LORA system send the communication information to corresponding master nodes of the LORA system;
the LORA system master node sends the communication information of at least one corresponding slave node to the location service module;
and the position service module analyzes the communication information to obtain the information of the emergency communication equipment.
Further, the method further comprises: and a GPS and a Beidou system are adopted for carrying out dual-system combined positioning.
Further, the joint positioning includes:
judging the difference value of the positioning information of the GPS and the Beidou system,
if the difference value meets the threshold requirement, the average value of the positioning information of the GPS and the Beidou system is taken as a positioning information value;
and if the difference value does not meet the threshold requirement, repositioning.
Further, the joint positioning includes:
and if the difference value does not meet the threshold value requirement after the relocation is continuously executed for the specified times, taking one piece of positioning information in the GPS and the Beidou system as a final positioning information value.
Further, transmitting the emergency communication device information to the management platform through the skynman system includes: the antenna is used for receiving and sending antenna signals, and the PA and the LNA are used for carrying out power amplification on the antenna signals.
An emergency communication device management system comprising: the system comprises an aerospace satellite, a ground mobile network, a position service module and a management platform;
the position service module transmits the information of the emergency communication equipment to a management platform through the skynet satellite;
and the position service module transmits the information of the emergency communication equipment to a management platform through the ground mobile network.
Further, the system further comprises:
and the LORA private network system is used for transmitting the information of the emergency communication equipment to the position service module.
Further, the LOAR private network system comprises a LORA master module and a LORA slave module;
the LORA slave module is used for acquiring information of the emergency communication equipment, and transmitting the information of the emergency communication equipment as a communication information field to the LORA master module;
the LORA master module is used for receiving the information of the emergency communication equipment transmitted by at least one LORA slave module and transmitting the communication information to the location service module;
and the position service module analyzes the communication information field to acquire the information of the emergency communication equipment.
Further, the location service module includes:
the system comprises an skynet satellite signal receiving and transmitting device, a skynet satellite signal modem, a main controller and an external interface;
the skyway satellite signal transceiver is in communication connection with the skyway satellite signal modem and is used for receiving signals of the skyway satellite and sending data to the skyway satellite;
the main controller is in data connection with the satellite signal modem and is connected with the external interface, and is used for receiving information and sending the information to the satellite signal modem.
Further, the main controller is used for receiving information of the GPS and the Beidou system and carrying out combined positioning, and the combined positioning comprises the following steps:
judging the difference value of the positioning information of the GPS and the Beidou system,
if the difference value meets the threshold requirement, the average value of the positioning information of the GPS and the Beidou system is taken as a positioning information value;
and if the difference value does not meet the threshold requirement, repositioning.
The emergency communication equipment management method and the emergency communication equipment management system have the advantages of flexible networking, timeliness, high efficiency, no geographical environment limitation and the like, thoroughly solve the problem of blind area coverage communication of ground movement, and particularly play a great role in application of earthquake relief, emergency rescue and the like; the invention can reasonably manage and schedule emergency rescue resources, greatly improve earthquake relief efficiency and reduce loss to the minimum in a short time; the method and the system have high integration level, the system is deeply integrated with the full-network communication module, the Beidou, the GPS module and the LORA private network module, the regional communication limitation is thoroughly solved, the positioning precision is improved to a higher level, and the cost of satellite communication is saved under the condition of ensuring the comprehensive and reliable equipment management; meanwhile, the popularization possibility and the application diversity are increased, the method is matched with the national Internet plus planning, and besides the voice and short message functions, part of the Beidou short message function can be replaced, so that high-quality quasi-broadband connection service, high-precision position service and timely and effective data transmission service are provided for bandwidth-sensitive application; at present, foreign satellite equipment is often required to be rented when China suffers from natural disasters, and the method is completely independent, so that the information safety of the national important field is greatly guaranteed, and the terminal customization capability is not limited by people any more.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a deployment of conventional emergency equipment;
FIG. 2 shows a schematic diagram of an skyway emergency equipment management service platform according to an embodiment of the invention;
FIG. 3 illustrates a schematic diagram of a location services emergency management system according to an embodiment of the invention;
fig. 4 shows a schematic structural diagram of a location service module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an emergency communication equipment management method, which is used for managing emergency equipment by combining two communication modes, wherein the first communication mode is a conventional mobile mode, and the second communication mode is a heaven-earth communication mode.
The place where the mobile ground network signal can cover can be set to be a conventional communication mode, and in the mode, the emergency communication equipment information is transmitted to a management platform (service platform) of an emergency management center through the mobile ground network;
the skyward communication mode can be selected in a maritime, air and land communication blind area, and in the skyward communication mode, emergency communication equipment information is transmitted to the management platform through the skyward communication system. The information transmission mainly comprises position information of the equipment, and can also upload equipment state information, disaster relief site key data and the like according to needs. Position information carries out dual system and jointly fixes a position through GPS, beidou system in this embodiment, improves positioning accuracy greatly, for emergency rescue goods and materials provides accurate position service, the emergency equipment management of being convenient for, reasonable dispatch. In this embodiment, the specific operations of the joint positioning are as follows: comparing the positioning information of the GPS and the Beidou system, and taking the average value of the two positioning information as a positioning result if the difference value between the GPS and the Beidou positioning information is small; if the difference value is larger, repositioning, namely discarding the positioning data with larger difference, receiving the positioning information transmitted by the next two systems, and re-comparing; if the difference value is still large after repeated positioning, the positioning data of one of the positioning systems is taken, and in this embodiment, the GPS positioning information value is taken. If one of the positioning systems has no data output all the time, the positioning information of the data positioning system is directly selected as an effective value, and the situation also belongs to the situation that the difference value does not meet the threshold value. In specific implementation, the multiple positioning can be set to 3 times or 5 times, etc.; the small difference means that an acceptable difference threshold is set according to actual needs, for example, the longitude coordinate difference is 0.00001 degrees and the latitude coordinate difference is 0.00001 degrees, and for two positioning information with a difference smaller than (or less than or equal to) the threshold, the difference is considered to be small, and an average value is taken during processing.
In the skyward mode, a Power Amplifier (PA), a Low Noise Amplifier (LNA) and a skyward antenna are integrated in a satellite communication device, a skyward signal is received and transmitted, and power amplification is performed on the skyward signal, so that a high-speed data transmission function of 384Kbps at maximum can be provided.
And a management platform of the emergency management center is used for collecting, updating and comprehensively scheduling the information of the emergency equipment deployed in different areas. Emergency equipment includes such as: corresponding lighting equipment, protective equipment, investigation equipment, emergency power and other rescue equipment in the emergency rescue storehouse.
The combination of the two communication modes can realize the comprehensive coverage of the management area, is not influenced by the terrain, and can fully utilize the existing ground mobile network communication facilities. The selection of the communication mode can be determined according to the coverage of the mobile network, or the switching mode can be selected according to the requirement, for example, poor communication or failure of the mobile network may occur in an area where a disaster occurs, and the communication mode can be switched to the skynet mode at this time.
In both modes of communication, information can be transmitted directly to the management platform. In another embodiment, the device information may also be collected through a LORA private network, transmitted to the location service gateway, and then transmitted to the management platform by the location service gateway through a ground mobile network or an aerospace satellite, thereby effectively reducing the communication cost of data upload. LORA (Long Range radio) is a low-power consumption local area network wireless standard, and a LORA private network is adopted to manage common equipment, so that low power consumption and long distance unification are realized, and the distance of the LORA wireless radio is increased by 3-5 times compared with that of the conventional wireless radio frequency communication under the same power consumption. In this embodiment, the process of collecting device information by the LORA private network is that the network slave node of each local private network in the LORA private network system collects information of different devices, and collects the information to a master node according to the communication protocol of the LORA private network, and the communication information sent in the collection process includes device information expressed by fields; the master node parses the device information indicated by the field from the received communication information, processes the parsed information (e.g., verifies availability), and sends the processed information to the service platform.
Based on the same conception, the invention also provides an emergency communication equipment management system, which realizes the integrated design of satellite mobile communication, ground LORA private network communication and Beidou and GPS navigation. The system is mainly based on an all-satellite system, and simultaneously integrates a Beidou system, an antenna feeder system, a GPS system, a satellite communication modem, a mobile ground network, an LORA communication system, a solar charging/discharging system and the like. The skynet satellite System is shown in fig. 2, the emergency device or tool transmits key Information to a skynet satellite (skynet S satellite) through a skynet location service module, the skynet satellite transmits the Information to a management platform of an emergency management center, the management platform stores emergency device Information in a database, the management platform provides a device query function, performs scheduling track query according to device scheduling requirements, and displays data with spatial attributes such as location Information and track Information through a Geographic Information System (GIS) map in a visualized manner. The emergency communication equipment management system is highly integrated, and all electrical components of the skynet location service module are integrated in an electrical cabin to provide comprehensive services such as satellite network, positioning, SOS, private network communication and the like.
The emergency communication equipment management system has the functions of satellite communication, a mobile ground network and an LORA private network, the system is mainly based on the satellite communication, particularly, the key emergency equipment directly uses the skyway module to carry out position service, and other emergency relief equipment is cooperatively managed by the mobile ground network and the LORA private network. Fig. 3 is a schematic diagram of a location service emergency management system according to an embodiment of the present invention. The emergency communication equipment management system includes: the system comprises an aerospace satellite, a ground mobile network, a position service module and a management platform;
the location service module is used for transmitting the emergency communication equipment information to the management platform, and under the different communication modes, the location service module can transmit the equipment information (not limited to the equipment information) to the management platform of the emergency management center through an aerospace satellite or a ground mobile network.
In this embodiment, the emergency communication device management system further includes a LORA private network system, where the LORA private network system includes a LORA master module and LORA slave modules, one of the master modules corresponds to the multiple slave modules, the slave modules are configured to directly collect information of different emergency devices and collect the information to a master module, the master module transmits the collected information of the multiple devices to a gateway service (location service gateway) of the location service module, and finally, the location service module sends the device information to the management platform. The slave module collects equipment information including an equipment number and emergency information (equipment emergency management level, final overhaul time and the like) as field information, combines the field information according to a certain sequence and rules, uploads and summarizes the combined information to the master module according to a LORA communication protocol, and the communication protocol refers to adding a communication message prefix and the like before sending the combined information. The LORA master module receiving the information analyzes the received information according to the corresponding protocol and the field combination rule, and obtains the specific value of each field, such as the device number.
In practical application, different management modes can be adopted for different devices according to the importance or the requirements of the devices. For example, the position information of corresponding lighting equipment, protective equipment, detection equipment, emergency power and other rescue equipment in the emergency rescue storehouse is uploaded to a position service gateway through a private network LORA system, and then is uploaded to a service platform specified by an emergency management center through an Tiantong one-number satellite or a ground network, so that the emergency equipment is uniformly deployed. The device information is sent to the platform after being batched through the LORA, so that the data uploading communication cost can be effectively reduced, and particularly the communication cost of the satellite through heaven is reduced. And special emergency rescue equipment such as communication equipment, transportation equipment and the like is directly uploaded to a service platform appointed by an emergency management center through an aerospace satellite or a ground network by a position service module, so that the timely and reliable uploading of key special equipment information is ensured.
The position service module is also connected with the full network communication module, in specific implementation, the full network communication module can be a network card device supporting network connection, and the position service module can realize full network interconnection through the full network communication module, so that information exchange and sharing are facilitated.
The position service module is a key module for information transfer, and uploads acquired equipment information, field information and the like to the service platform through an aerospace satellite or a ground mobile network; the location service module can also receive control information, module upgrade packages and the like of the emergency platform. Fig. 4 is a schematic structural diagram of a location service module according to an embodiment of the present invention. The location service module includes: the system comprises an skynet satellite signal receiving and transmitting device, a skynet satellite signal modem, a main controller and an external interface; the main controller is provided with an embedded program and equipment with data processing and control functions, and mainly completes the functions of satellite module access network, satellite data transceiving, analysis and the like in the embodiment; data analysis and sending of the GPS and the Beidou module are completed; completing the data receiving and transmitting of the wireless private network; and the network data receiving and transmitting and Ka (the frequency range of the Ka wave band is 26.5-40 GHz, and the Ka wave band is generally used for satellite communication) satellite terminal data communication functions are completed. The satellite signal transceiver of the sky leads to including the integrated sky leads to the four-wall helical antenna, is used for receiving the satellite signal of the sky leads to; the satellite signal transceiving device comprises a Power Amplifier (PA) and a Low Noise Amplifier (LNA), wherein the PA is used for outputting and amplifying radio frequency signals, and the LNA is used for inputting and amplifying the radio frequency signals at an antenna end; the satellite signal transmitting and receiving device comprises a duplexer, and is used for transmitting signals collected by the antenna through the four-wall helical antenna to an LNA (low-noise amplifier) for input amplification, and transmitting output signals amplified by the PA through the antenna through the four-wall helical antenna. The output signal of the PA is modulated by the satellite signal modem, and the input signal of the LNA is demodulated by the satellite signal modem.
The satellite signal modem is in communication connection with the main controller and is used for transmitting information. In this embodiment, the master controller is an STM32 master controller. The STM32 host controller interfaces with an external interface for receiving or transmitting information. In this embodiment, the external interface includes: USB interface, RJ45 interface, serial port, etc. can support the collection of multiple antidetonation, disaster relief scene key data to report. The external interface also comprises an LORA interface, and receives the information of the LORA private network by receiving wireless signals, and the STM32 main controller integrates a location service gateway for receiving and processing the equipment information transmitted by the LORA private network. The external interface further comprises a positioning information interface for receiving positioning information transmitted by a positioning system, in the embodiment, the position service module receives information of the GPS and the Beidou system for combined positioning, and the combined positioning mode is consistent with the mode described in the embodiment of the emergency communication equipment management method and is not described again. In addition, the external interface also comprises an SOS (international distress signal) interface for receiving a distress signal. Meanwhile, the system provides IP telephone (through network transmission) and RS232 data transmission (through serial ports) services.
In the embodiment, the position service module is provided with the solar cell, so that the solar energy-saving and environment-friendly solar energy-saving device is energy-saving, durable and environment-friendly. The solar receiving device is connected with the lithium battery pack, the lithium battery pack is charged under the illumination condition, and the lithium battery pack supplies power to the position service device through the main controller.
The emergency communication equipment management system has high integration level, the integrated position service module has light weight and small volume, and the system integrates LORA private network communication and realizes the management and scheduling of various emergency equipment in the air, on the sea and on the ground.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. An emergency communication device management method, comprising: acquiring emergency communication equipment information through a position service module, and uploading the emergency communication equipment information to a management platform by adopting a first communication mode and/or a second communication mode;
the first communication mode is that the emergency communication equipment information is uploaded to the management platform through a mobile ground network;
the second communication mode is that the emergency communication equipment information is uploaded to the management platform through a skynman system;
the acquiring emergency device information through the location service module includes: and acquiring the information of the emergency communication equipment through a LORA system and then transmitting the information to the position service module and/or directly transmitting the information of the emergency communication equipment to the position service module.
2. The method of claim 1, wherein collecting the emergency communication device information by the LORA system and transmitting the emergency communication device information to the location service module comprises:
the LORA system slave node sets the emergency communication equipment information as a communication information field;
the slave nodes of the LORA system send the communication information to corresponding master nodes of the LORA system;
the LORA system master node sends the communication information of at least one corresponding slave node to the location service module;
and the position service module analyzes the communication information to obtain the information of the emergency communication equipment.
3. The method according to any one of claims 1 or 2, further comprising: and a GPS and a Beidou system are adopted for carrying out dual-system combined positioning.
4. The method of claim 3, wherein the joint positioning comprises:
judging the difference value of the positioning information of the GPS and the Beidou system,
if the difference value meets the threshold requirement, the average value of the positioning information of the GPS and the Beidou system is taken as a positioning information value;
and if the difference value does not meet the threshold requirement, repositioning.
5. The method of claim 4, wherein the joint positioning comprises:
and if the difference value does not meet the threshold value requirement after the relocation is continuously executed for the specified times, taking one piece of positioning information in the GPS and the Beidou system as a final positioning information value.
6. The method of claim 1, wherein transmitting the emergency communication device information to the management platform via an skyward system comprises: the antenna is used for receiving and sending antenna signals, and the PA and the LNA are used for carrying out power amplification on the antenna signals.
7. An emergency communication device management system, comprising: the system comprises an aerospace satellite, a ground mobile network, a position service module and a management platform;
the position service module transmits the information of the emergency communication equipment to a management platform through the skynet satellite;
and the position service module transmits the information of the emergency communication equipment to a management platform through the ground mobile network.
8. The system of claim 7, further comprising:
and the LORA private network system is used for transmitting the information of the emergency communication equipment to the position service module.
9. The system of claim 8, wherein the LOAR private network system comprises a LORA master module and a LORA slave module;
the LORA slave module is used for acquiring information of the emergency communication equipment, and transmitting the information of the emergency communication equipment as a communication information field to the LORA master module;
the LORA master module is used for receiving the information of the emergency communication equipment transmitted by at least one LORA slave module and transmitting the communication information to the location service module;
and the position service module analyzes the communication information field to acquire the information of the emergency communication equipment.
10. The system according to any of claims 7-9, wherein the location service module comprises:
the system comprises an skynet satellite signal receiving and transmitting device, a skynet satellite signal modem, a main controller and an external interface;
the skyway satellite signal transceiver is in communication connection with the skyway satellite signal modem and is used for receiving signals of the skyway satellite and sending data to the skyway satellite;
the main controller is in data connection with the satellite signal modem and is connected with the external interface, and is used for receiving information and sending the information to the satellite signal modem.
11. The system of claim 10, wherein the master controller is configured to receive GPS and beidou system information for joint positioning, and the joint positioning comprises:
judging the difference value of the positioning information of the GPS and the Beidou system,
if the difference value meets the threshold requirement, the average value of the positioning information of the GPS and the Beidou system is taken as a positioning information value;
and if the difference value does not meet the threshold requirement, repositioning.
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