CN-122027011-A - Underground emergency communication management system and method based on portable digital optical cable

CN122027011ACN 122027011 ACN122027011 ACN 122027011ACN-122027011-A

Abstract

The invention discloses an underground emergency communication management system and method based on a portable digital optical cable, and relates to the technical field of underground emergency communication management, comprising the following steps of S10, constructing an underground emergency communication link; the method comprises the steps of S20, carrying out correlation analysis on various identified abnormal emergency parameters by a monitoring platform, S30, determining the expansion rate of a communication fault area based on cooperative characteristics, determining the communication emergency area in a tunnel by a correlation coefficient between time sequences corresponding to the two types of abnormal emergency parameters and the arrangement position of a sensor corresponding to a time sequence with high priority, and S40, reconstructing an underground communication link. According to the method and the system, the identification precision of the communication emergency area is ensured through the static identification and the dynamic identification of the communication emergency area in the tunnel, so that the signal range of the reconstructed emergency communication link can cover the fault spreading area of the main communication link in the tunnel, and the management effect of the system on underground emergency communication is improved.

Inventors

LIN GUOYONG
YE GANG
LI HAO
ZHANG YU
Duan Chunheng
Jiao Kechao

Assignees

北京中光智联科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260210

Claims (10)

1. The underground emergency communication management method based on the portable digital optical cable is characterized by comprising the following steps of: S10, constructing an underground emergency communication link; S20, various sensors on an underground emergency communication link upload emergency parameters monitored in real time to a monitoring platform, and the monitoring platform carries out correlation analysis on various identified abnormal emergency parameters; S30, determining a communication fault type, selecting whether to extract cooperative features between time sequences corresponding to two types of abnormal emergency parameters with strong correlation, determining the expansion rate of a communication fault area based on the cooperative features, and determining the communication emergency area in a tunnel according to the correlation coefficient between the time sequences corresponding to the two types of abnormal emergency parameters and the layout position of a sensor corresponding to the time sequence with high priority; and S40, reconstructing the underground communication link by the monitoring platform according to the communication emergency area in the tunnel.
2. The method of claim 1, wherein the underground emergency communication link is constructed based on a digital cable, a wireless access node and various sensors located at the location of the digital cable terminal, and a portable digital cable body including a trusted node, a router, a cable placement spool, and a chassis.
3. The method for managing underground emergency communication based on the portable digital optical cable according to claim 2, wherein said S20 comprises: S201, various emergency parameters of the digital cable terminal are collected in real time through various sensors on an emergency communication link, and the collected various emergency parameters are uploaded to a monitoring platform; s202, identifying abnormal emergency parameters in the real-time emergency parameters, wherein the abnormal emergency parameters are used for representing emergency parameters exceeding a threshold value; S203, determining the corresponding acquisition time points of the abnormal emergency parameters, and respectively correcting the abnormal emergency parameters acquired by the circulating current sensor and the partial discharge sensor according to the temperature and the humidity acquired by the temperature and the humidity sensor at the determined acquisition time points; S204, constructing time sequences of various abnormal emergency parameters, and performing alignment treatment on the time sequences corresponding to the abnormal emergency parameters respectively acquired by the loop current sensor and the partial discharge sensor to obtain two target time sequences; If an empty set exists in the two target time sequences, the correlation coefficient between the two target time sequences is considered to be 0; If the two target time sequences are both non-empty sets, the pearson correlation coefficient between the two target time sequences is used as the correlation coefficient between the two target time sequences.
4. The method for managing underground emergency communication based on the portable digital optical cable according to claim 3, wherein said S30 comprises: s301, determining the communication fault type in the tunnel according to the correlation coefficient between the two target time sequences, wherein the communication fault type comprises a global fault and a local fault; s302, when the communication fault type in the tunnel is a local fault, determining the priority sequence of the time sequences corresponding to the two target time sequences respectively, and taking the monitoring range of the sensor corresponding to the time sequence with high priority at the layout position as an initial communication emergency area in the tunnel; According to the correlation coefficient between the two target time sequences, adjusting an initial communication emergency area, and taking the emergency position obtained after adjustment as a communication emergency area in a tunnel; S303, when the communication fault type in the tunnel is global fault, two types of abnormal emergency parameters have strong correlation, marking the abnormal emergency parameters which are removed by alignment processing in the time sequences corresponding to the two target time sequences respectively, and taking the inverse of the acquisition time length corresponding to the marked abnormal emergency parameters in the time sequence with high priority as the cooperative characteristic between the time sequences corresponding to the two types of abnormal emergency parameters with strong correlation; A communication emergency area within the tunnel is determined based on the collaborative features.
5. The method for managing underground emergency communication based on the portable digital optical cable according to claim 4, wherein said S40 comprises: The monitoring platform reconstructs an element value by taking the radius of the communication emergency area as a first emergency communication link, and reconstructs an element value by taking the distance value of the three-dimensional center position of the communication emergency area from the tunnel entrance as a second emergency communication link; Determining the laying terminal position of the digital cable according to the sum value between the first emergency communication link reconstruction element value and the second emergency communication link reconstruction element value; The underground emergency communication link is reconstructed based on the digital cable laid to the laying terminal position.
6. An underground emergency communication management system based on a portable digital optical cable, which is applied to the underground emergency communication management method based on the portable digital optical cable, as set forth in any one of claims 1 to 5, and is characterized in that the system comprises an underground communication link construction module, a correlation analysis module, a first communication emergency area determination module, a second communication emergency area determination module and an underground communication link reconstruction module; the underground communication link construction module is used for constructing an underground communication link based on the digital cable, the wireless access node and various sensors which are positioned at the position of the digital cable terminal and the portable digital cable main body; the correlation analysis module is used for carrying out correlation analysis on various identified abnormal emergency parameters; The first communication emergency area determining module is used for determining a communication emergency area in the tunnel when the communication fault type is a local fault; the second communication emergency area determining module is used for determining a communication emergency area in the tunnel when the communication fault type is global fault; the underground communication link reconstruction module is used for reconstructing the underground communication link according to the communication emergency area in the tunnel.
7. The portable digital optical cable based underground emergency communication management system of claim 6 wherein the correlation analysis module comprises an emergency parameter acquisition unit, an abnormal emergency parameter identification unit, a correction unit and a correlation analysis unit; the emergency parameter acquisition unit acquires various emergency parameters of the digital cable terminal in real time through various sensors on an emergency communication link; the abnormal emergency parameter identification unit identifies abnormal emergency parameters in the acquired emergency parameters; the correction unit corrects the abnormal emergency parameters acquired by the circulating current sensor and the partial discharge sensor based on the real-time emergency parameters acquired by the temperature and humidity sensor; And the correlation analysis unit analyzes the correlation between the target time sequences corresponding to the various abnormal emergency parameters according to the alignment processing results between the time sequences corresponding to the various abnormal emergency parameters.
8. The portable digital cable based underground emergency communication management system of claim 7 wherein said first communication emergency zone determination module comprises an initial communication emergency zone determination unit and a first communication emergency zone determination unit; When the communication fault type is a local fault, the initial communication emergency area determining unit takes a monitoring range of a layout position of a sensor corresponding to a time sequence with high priority as an initial communication emergency area in a tunnel; The first communication emergency area determining unit adjusts the initial communication emergency area according to the correlation coefficient between the two target time sequences, and takes the emergency position obtained after adjustment as the communication emergency area in the tunnel.
9. The portable digital cable based underground emergency communication management system of claim 8 wherein said second communication emergency area determination module comprises a tagging unit, a collaborative feature extraction unit, and a second communication emergency area determination unit; The marking unit marks abnormal emergency parameters which are removed by alignment processing in the time sequences corresponding to the two target time sequences respectively when the communication fault type is global fault; The collaborative feature extraction unit extracts collaborative features between time sequences corresponding to two types of abnormal emergency parameters with strong correlation according to the inverse of the acquisition time length corresponding to the marked abnormal emergency parameters in the time sequence with high priority; And the second communication emergency area determining unit determines the communication emergency area in the tunnel according to the correlation coefficient between the two target time sequences and the cooperative characteristic.
10. The portable digital optical cable based underground emergency communication management system of claim 9 wherein the underground communication link reconstruction module comprises a communication link reconstruction element determination unit and a reconstruction unit; the communication link reconstruction element determination unit takes the radius of the communication emergency area as a first emergency communication link reconstruction element value, and takes a distance value of the three-dimensional center position of the communication emergency area from the tunnel entrance as a second emergency communication link reconstruction element value; The reconstruction unit determines the laying terminal position of the digital cable according to the sum value between the first emergency communication link reconstruction element value and the second emergency communication link reconstruction element value, and reconstructs the underground communication link based on the laying terminal position of the digital cable.

Description

Underground emergency communication management system and method based on portable digital optical cable Technical Field The invention relates to the technical field of underground emergency communication management, in particular to an underground emergency communication management system and method based on a portable digital optical cable. Background The portable digital optical cable can quickly establish a temporary communication link so as to ensure that communication services such as voice, data and video are quickly recovered when the traditional communication infrastructure is damaged, ensure that information between an emergency command center and a client is unobstructed, and provide basic support for construction operation. The emergency communication link is used as a substitute communication link of the main communication link, so that the continuity of communication service needs to be ensured, however, when the main communication link is physically damaged (such as an optical cable is damaged), a fault spreading situation usually occurs, and therefore, the emergency communication link constructed based on the communication main link fault point has the situation that the signal range cannot cover the fault area of the main communication link, and further the continuity of communication service in a tunnel cannot be ensured. Disclosure of Invention The invention aims to provide an underground emergency communication management system and method based on a portable digital optical cable, so as to solve the problems in the prior art. In order to achieve the purpose, the invention provides the following technical scheme that the underground emergency communication management method based on the portable digital optical cable comprises the following steps: S10, constructing an underground emergency communication link; S20, various sensors on an underground emergency communication link upload emergency parameters monitored in real time to a monitoring platform, and the monitoring platform carries out correlation analysis on various identified abnormal emergency parameters; S30, determining a communication fault type, selecting whether to extract cooperative features between time sequences corresponding to two types of abnormal emergency parameters with strong correlation, determining the expansion rate of a communication fault area based on the cooperative features, and determining the communication emergency area in a tunnel according to the correlation coefficient between the time sequences corresponding to the two types of abnormal emergency parameters and the layout position of a sensor corresponding to the time sequence with high priority; and S40, reconstructing the underground communication link by the monitoring platform according to the communication emergency area in the tunnel. Further, place portable digital cable main part in tunnel well head department, portable digital cable main part includes can trust node, router, optical cable place an axle section of thick bamboo and quick-witted case, emergency personnel lay the digital cable of winding on the portable digital cable main part in the inside optical cable crane span structure top of cable tunnel, the laser of digital cable terminal output is electric energy by photoelectric conversion unit conversion to for embedding at the wireless access node of digital cable terminal, and lay all kinds of sensors in the tunnel and carry out the energy supply, through digital cable, be located the wireless access node and all kinds of sensors of digital cable terminal locate position, and portable digital cable main part constitutes the emergent communication link in underground all the way, the one end butt fusion of digital cable is inside can trust node, the other end extends can trust node, digital cable terminal represents the one end that digital cable extends can trust node. Further, the step S20 includes: S201, various emergency parameters of the position of a digital cable terminal are acquired in real time through various sensors on an emergency communication link, the acquired various emergency parameters are uploaded to a monitoring platform, the sensors comprise a circulating current sensor, a temperature and humidity sensor and a partial discharge sensor, the circulating current sensor is mainly used for monitoring the grounding current of a cable metal sheath, the partial discharge sensor captures partial discharge signals generated by cable insulation defects through a high-frequency current sensor, and the partial discharge signals are the voltage response of transient pulses; s202, identifying abnormal emergency parameters in real-time emergency parameters, wherein the abnormal emergency parameters are used for representing emergency parameters exceeding a threshold value, and specifically, for a partial discharge sensor, the threshold value range of the partial discharge signal amplitude of the partial discharge sensor is-20