CN116148594B - Cable tunnel running state monitoring system based on vein type network communication - Google Patents

Abstract

The invention relates to a cable tunnel running state monitoring system based on leaf vein type network communication, which comprises a signal acquisition mobile terminal, local equipment and a headquarter monitoring terminal, wherein the headquarter monitoring terminal is a primary main vein data transmission channel, the local equipment is a secondary side vein data transmission channel, the signal acquisition mobile terminal is a tertiary fine vein data transmission channel, and the primary main vein data transmission channel, the secondary side vein data transmission channel and the tertiary fine vein data transmission channel form a leaf vein type network, wherein the signal acquisition mobile terminal is used for carrying out signal acquisition when the cable tunnel is patrolled and examined; the local equipment is used for collecting signals of the cable tunnel, carrying out signal verification processing on the collected signals transmitted by the signal collection mobile terminal, and judging whether abnormal signals occur or not; and when an abnormal signal appears, the headquarter monitoring terminal distinguishes the abnormal correctness and generates an abnormal processing report. Compared with the prior art, the invention has the advantages of effectively monitoring the cable tunnel, acquiring accurate data and the like.

Description

A cable tunnel operation status monitoring system based on leaf vein network communication

Technical Field

The present invention relates to the technical field of power cable tunnel monitoring, and in particular to a cable tunnel operation status monitoring system based on leaf vein network communication.

Background technique

With the rapid development of the power industry, new requirements have been put forward for the safe operation of power networks and electricity consumption; especially for underground power cables, the safe operation and safety maintenance of underground power cables are inevitably becoming more and more important. In the power system, power cables undertake the important tasks of power transmission and data transmission. Therefore, the safety monitoring of power cables is particularly important, especially for power cables in tunnels. The cable lines run underground, and the corresponding monitoring and maintenance are relatively difficult. The environment in the cable tunnel, such as temperature and humidity, harmful gases, etc., cannot be prevented and predicted on the ground. Due to the complex geology in the tunnel, geological disasters such as collapse and subsidence are prone to occur. Therefore, the traditional monitoring of transmission cables in tunnels mainly adopts manual inspection, which is inefficient and not easy to find problems in advance, because some geological disasters occur slowly. On the other hand, the increase in urban underground pipelines and the occupation of underground space resources have made the construction and operation of cable pipelines more and more complicated, especially once flammable and explosive gases penetrate into the cable trench, it will bring great threats to the safe operation of the cable. In order to ensure the safety of personnel and equipment, it is necessary to open the manhole cover regularly to detect combustible gases in the jurisdiction equipment, otherwise it will pose a major threat to the safe operation of the cable. Therefore, it is necessary to monitor the operating environment of the cable, detect problems early, and deal with them in time to avoid major problems.

Summary of the invention

The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a cable tunnel operation status monitoring system based on leaf vein network communication that can effectively monitor the cable tunnel and obtain accurate data.

The purpose of the present invention can be achieved by the following technical solutions:

A cable tunnel operation status monitoring system based on leaf vein network communication includes a signal acquisition mobile terminal, local equipment and a headquarters monitoring terminal. The headquarters monitoring terminal is a primary main vein data transmission channel, the local equipment is a secondary side vein data transmission channel, and the signal acquisition mobile terminal is a third-level fine vein data transmission channel. A communication connection is established between the primary main vein data transmission channel, the secondary side vein data transmission channel and the third-level fine vein data transmission channel to form a leaf vein network, wherein:

The signal collection mobile terminal is used to collect signals when inspecting the cable tunnel, and transmit the collected signals to the local equipment or the headquarters monitoring terminal through the leaf vein network;

The local equipment is used to collect signals from the cable tunnel, and to perform signal verification processing on the collected signals transmitted by the signal collection mobile terminal, to determine whether an abnormal signal occurs, and to transmit the abnormal signal to the headquarters monitoring terminal through the leaf vein network when an abnormal signal occurs;

When an abnormal signal occurs, the headquarters monitoring terminal connects to the local equipment and the signal collection mobile terminal through the leaf vein network, obtains the corresponding abnormal signal, identifies the correctness of the abnormality, and generates an abnormal processing report.

Furthermore, the signal collection mobile terminal and the local device both include a local database for storing the collected signals.

Furthermore, the collected signals include cable signals and cable tunnel environment signals.

Further, the cable signal includes one or more of a voltage signal, a current signal, and a cable temperature signal;

The cable tunnel environment signal includes one or more of a temperature signal, a humidity signal, a gas signal, a foreign object signal, and a geographic location signal.

Furthermore, when the signal acquisition mobile terminal needs to transmit the acquisition signal to the local device, it determines whether the communication connection between the signal acquisition mobile terminal and the local device is established. If so, the acquisition signal is transmitted to the local device. If not, the local signal comparison step is performed.

Furthermore, the local signal comparison step includes:

The signal acquisition mobile terminal compares the collected signal with a pre-stored reference to determine whether there is an abnormal signal. If so, it generates an abnormal signal comparison processing result report, and sends the abnormal signal comparison processing result report and the failure signal to connect to the local equipment to the headquarters monitoring terminal. If not, it sends the normal result of the cable tunnel inspection and the failure signal to connect to the local equipment to the headquarters monitoring terminal, and the headquarters monitoring terminal generates an equipment maintenance report based on the failure signal to connect to the local equipment.

Furthermore, the local device includes a signal verification module for generating a signal verification report, and when the signal acquisition mobile terminal establishes a communication connection with the local device, it only establishes a communication connection with the signal verification module.

Furthermore, the generating of the exception handling report specifically includes:

When an abnormal signal occurs, the headquarters monitoring terminal sends a connection request signal to the local device and the signal collection mobile terminal respectively, and establishes a communication connection between the headquarters monitoring terminal and the local device and between the headquarters monitoring terminal and the signal collection mobile terminal;

The headquarters monitoring terminal simultaneously obtains the database information stored in the local equipment and the signal collection mobile terminal, and calls the abnormal signals therein;

Perform data fusion on the abnormal signals of the local equipment and the abnormal signals of the signal acquisition mobile terminal to obtain the data fusion results;

Compensation processing is performed on the data fusion result to identify whether the abnormal signal is wrong and generate an abnormal processing report.

Furthermore, the data state of the data fusion result includes a normal state or an abnormal state.

Furthermore, the signal collection mobile terminal includes an inspection vehicle.

Furthermore, the headquarters monitoring terminal is connected to a mobile terminal.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention can prevent the occurrence of potential safety hazards in cable tunnels, which not only saves the trouble of testers going down to the cable tunnels for multiple tests, but also solves the problems of short testing time, inconvenience and unsafety in existing portable testing operations, and ensures the personal safety of relevant personnel.

2. The present invention realizes unmanned intelligent automation of inspection, does not require operators to conduct inspections, and promptly discovers clues of cable abnormalities, preventing hidden dangers from affecting the safe operation of electricity, thereby greatly improving the safety and reliability of inspections.

3. The present invention uses local equipment to perform edge computing on the collected signals, which greatly reduces the data processing load of the headquarters monitoring terminal.

4. When the local equipment and the inspection car are conducting signal verification and processing, the inspection car establishes a communication connection with the local equipment. Through the permission of the communication connection, the inspection car only establishes a connection with the signal verification module of the local equipment, and is not authorized to make other connections. This greatly improves the efficiency of the local equipment in signal verification and processing, detects abnormalities early, and further ensures the safety of the operating environment of the cable tunnel. On the other hand, it also improves the anti-intrusion security of local equipment information.

5. The headquarters monitoring terminal processes abnormal signals according to the local equipment database information and the inspection vehicle database information, and performs compensation processing on the abnormal signals of the data fusion results to identify whether the abnormal signals are incorrect. Through compensation processing, the accuracy of abnormal signal processing is greatly improved.

6. If a local device fails and the inspection vehicle fails to establish a communication connection with the local device, the headquarters monitoring terminal generates a local equipment maintenance report based on the normal results of the cable tunnel inspection and the signal that the inspection vehicle failed to connect to the local device, so that the operator can view the local equipment maintenance report from the headquarters monitoring terminal and repair the abnormal local equipment; the headquarters monitoring terminal sends the local equipment maintenance report to the maintenance personnel's mobile terminals such as their mobile phones, so that the maintenance personnel can repair the abnormal local equipment.

7. The present invention monitors the environment in the cable tunnel based on local equipment and inspection vehicles, which can not only collect a variety of environmental parameters in the cable tunnel, providing strong protection for power transportation and staff safety, but also facilitate the monitoring center to grasp the operating environment of the cable in real time. When an abnormality occurs, an alarm is implemented to remind the staff to troubleshoot in time to prevent major safety hazards. The present invention monitors the environment in the cable tunnel based on local equipment and inspection vehicles, which can timely and accurately discover the hidden dangers in the cable tunnel, that is, monitor the operating status of the cable tunnel in real time, prevent accidents in the cable tunnel, ensure the reliable and stable operation of the cable line in the cable tunnel, monitor the cable tunnel to achieve early prediction of hidden dangers, and provide a strong guarantee for the safe operation of the on-site equipment in the cable tunnel.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a leaf vein network constructed by the present invention;

FIG. 2 is a schematic diagram showing the principle of the present invention.

Detailed ways

The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

Example 1

The present embodiment provides a cable tunnel operation status monitoring system based on leaf vein network communication, including a signal acquisition mobile terminal, local equipment and a headquarters monitoring terminal. As shown in Figure 1, the headquarters monitoring terminal is a first-level main vein data transmission channel 1, the local equipment is a second-level side vein data transmission channel 2, and the signal acquisition mobile terminal is a third-level fine vein data transmission channel 3. A communication connection is established between the first-level main vein data transmission channel 1, the second-level side vein data transmission channel 2 and the third-level fine vein data transmission channel 3 to form a leaf vein network, and data transmission is safe and reliable.

Specifically, the signal acquisition mobile terminal is used to collect signals when inspecting the cable tunnel, and transmit the collected signals to the local equipment or the headquarters monitoring terminal through the leaf vein network; the local equipment is used to collect signals from the cable tunnel, and perform signal verification processing on the collected signals transmitted by the signal acquisition mobile terminal to determine whether an abnormal signal occurs, and transmit the abnormal signal to the headquarters monitoring terminal through the leaf vein network when an abnormal signal occurs; when an abnormal signal occurs, the headquarters monitoring terminal connects the local equipment and the signal acquisition mobile terminal through the leaf vein network, obtains the corresponding abnormal signal, identifies the correctness of the abnormality, and generates an abnormal processing report.

The above-mentioned signal acquisition mobile terminal and local equipment both include a local database for storing the acquired signals, which facilitates the real-time storage of the acquired signals. In this embodiment, the acquired signals include cable signals and cable tunnel environment signals, wherein the cable signals include voltage signals, current signals, cable temperature signals, etc., and the cable tunnel environment signals include temperature signals (temperature signals in the cable tunnel and wall temperature signals of the cable tunnel), humidity signals, gas signals, foreign matter (mainly small animals) signals (image recognition technology), geographic location signals, etc.

In this embodiment, the signal collection mobile terminal is a patrol car. The patrol car transmits the collected signals obtained during the inspection to the local equipment regularly or in real time. When transmitting, a communication connection is first established between the patrol car and the local equipment. The local equipment includes a signal verification module for generating a signal verification report. When the patrol car establishes a communication connection with the local equipment, it only builds a communication connection with the signal verification module, and does not authorize other connections. This greatly improves the efficiency of the local equipment in performing signal verification processing. On the other hand, it also improves the anti-intrusion security of local equipment information.

After receiving the collected signal from the inspection vehicle, the signal verification module of the local equipment performs signal verification processing and generates a signal verification report; the local equipment decides whether to send the signal verification report to the headquarters monitoring terminal based on whether an abnormal signal appears in the signal verification report.

In this embodiment, the complete process of the local device performing signal verification processing includes:

1) The inspection vehicle sends a connection request signal to the local device;

2) The local device accepts the connection request signal sent by the inspection vehicle. If it is not accepted, the inspection vehicle waits for a while and sends the connection request signal again until it is accepted;

3) The inspection vehicle establishes a communication connection with the local equipment;

4) The inspection vehicle sends the collected signals to the signal verification module of the local equipment;

5) The signal verification module of the local equipment receives the collected signal sent by the inspection vehicle, performs signal verification and generates a signal verification report.

The above process realizes data interaction between the secondary side vein data transmission channel and the tertiary fine vein data transmission channel.

In this embodiment, when an abnormal signal exists, the headquarters monitoring terminal will receive a signal verification report from the local device, and perform abnormal processing and early warning according to the signal verification report.

As shown in Figure 2, the specific working process of the headquarters monitoring terminal includes: the headquarters monitoring terminal sends a request connection signal to the local equipment and the inspection car respectively according to the signal verification report of the signal abnormality; the local equipment receives the request connection signal sent by the headquarters monitoring terminal, the headquarters monitoring terminal establishes a communication connection with the local equipment, the headquarters monitoring terminal obtains the local equipment database information, and saves it to the abnormal signal processing module of the headquarters monitoring terminal; the inspection car receives the request connection signal sent by the headquarters monitoring terminal, the headquarters monitoring terminal establishes a communication connection with the inspection car, the headquarters monitoring terminal obtains the inspection car database information, and saves it to the abnormal signal processing module of the headquarters monitoring terminal, the abnormal signal processing module performs abnormal processing and generates an abnormal processing report.

Generate an exception handling report specifically including:

When an abnormal signal occurs, the headquarters monitoring terminal sends a connection request signal to the local device and the signal collection mobile terminal respectively, and establishes a communication connection between the headquarters monitoring terminal and the local device and between the headquarters monitoring terminal and the signal collection mobile terminal;

The headquarters monitoring terminal simultaneously obtains the database information stored in the local equipment and the signal collection mobile terminal, and calls the abnormal signals therein;

Perform data fusion on the abnormal signals of the local equipment and the abnormal signals of the signal acquisition mobile terminal to obtain the data fusion results;

Perform compensation processing on the data fusion results, identify whether the abnormal signal is wrong, and generate an abnormal processing report.

The signal data of the data fusion result includes a normal state or an abnormal state. It should be noted that the abnormal signal of the data fusion result needs to be compensated to distinguish whether the abnormal signal is wrong. Through compensation processing, the accuracy of processing abnormal signals is greatly improved.

The above process realizes data interaction between the primary main vein data transmission channel and the secondary side vein data transmission channel and the tertiary fine vein data transmission channel respectively.

In a preferred embodiment, the headquarters monitoring terminal is connected to a mobile terminal, and the exception handling report can be sent to the mobile terminal for staff to review and handle the exception in a timely manner.

Example 2

In the cable tunnel operation status monitoring system based on leaf vein network communication provided by this embodiment, when the signal acquisition mobile terminal needs to transmit the acquisition signal to the local device, Yangmao determines whether the communication connection between the signal acquisition mobile terminal and the local device is established. If so, the acquisition signal is transmitted to the local device. If not, the local signal comparison step is executed.

In this embodiment, the local signal comparison step includes: the signal acquisition mobile terminal compares the collected signal with a pre-stored reference to determine whether there is an abnormal signal. If so, an abnormal signal comparison processing result report is generated, and the abnormal signal comparison processing result report and the local equipment connection failure signal are sent to the headquarters monitoring terminal. If not, the normal result of the cable tunnel inspection and the local equipment connection failure signal are sent to the headquarters monitoring terminal. The headquarters monitoring terminal generates an equipment maintenance report based on the local equipment connection failure signal, and the equipment maintenance report can be sent to the mobile terminal.

Specifically, if a local device fails and the inspection car fails to communicate with the local device, the inspection car will compare the collected signal with the reference value in the inspection car database. If there is no abnormal signal, the inspection car will send the normal results of the cable tunnel inspection and the signal of the failure of the inspection car to connect with the local device to the headquarters monitoring terminal. The headquarters monitoring terminal generates a local equipment maintenance report based on the normal results of the cable tunnel inspection and the signal of the failure of the inspection car to connect with the local device, so that the operator can check the local equipment maintenance report from the headquarters monitoring terminal and repair the abnormal local equipment; the headquarters monitoring terminal sends the local equipment maintenance report to the maintenance personnel's mobile terminal such as the mobile phone, so that the maintenance personnel can repair the abnormal local equipment. If there is an abnormal signal, the inspection car will send the abnormal signal comparison and processing result report and the signal of failure to connect with the local equipment to the headquarters monitoring terminal; the headquarters monitoring terminal sends a request signal to the inspection car based on the abnormal signal comparison and processing result report and the signal of failure to connect with the local equipment, the inspection car receives the request connection signal sent by the headquarters monitoring terminal, the headquarters monitoring terminal establishes a communication connection with the inspection car, the headquarters monitoring terminal obtains the inspection car database information, and saves it to the abnormal signal processing module of the headquarters monitoring terminal, and the headquarters monitoring terminal performs abnormal signal processing based on the database information of the inspection car.

The rest is the same as in Example 1.

The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims (6)

1. A cable tunnel operation status monitoring system based on leaf vein network communication, characterized in that it includes a signal acquisition mobile terminal, local equipment and a headquarters monitoring terminal, the headquarters monitoring terminal is a primary main vein data transmission channel, the local equipment is a secondary side vein data transmission channel, the signal acquisition mobile terminal is a third-level fine vein data transmission channel, and a communication connection is established between the primary main vein data transmission channel, the secondary side vein data transmission channel and the third-level fine vein data transmission channel to form a leaf vein network, wherein, The signal collection mobile terminal is used to collect signals when inspecting the cable tunnel, and transmit the collected signals to the local equipment or the headquarters monitoring terminal through the leaf vein network; The local device is used to collect signals from the cable tunnel, and to perform signal verification processing on the collected signals transmitted by the signal collection mobile terminal, to determine whether an abnormal signal occurs, and to transmit the abnormal signal to the headquarters monitoring terminal through the leaf vein network when an abnormal signal occurs; When an abnormal signal occurs, the headquarters monitoring terminal connects to the local device and the signal collection mobile terminal through the leaf vein network, obtains the corresponding abnormal signal, identifies the correctness of the abnormality, and generates an abnormality handling report; The signal acquisition mobile terminal and the local device both include a local database for storing the acquired signals; When the signal acquisition mobile terminal needs to transmit the acquisition signal to the local device, it is determined whether the communication connection between the signal acquisition mobile terminal and the local device is established. If so, the acquisition signal is transmitted to the local device. If not, a local signal comparison step is performed; The local signal comparison step comprises: The signal acquisition mobile terminal compares the collected signal with a pre-stored reference to determine whether there is an abnormal signal. If so, an abnormal signal comparison processing result report is generated, and the abnormal signal comparison processing result report and a signal of failure to connect to the local device are sent to the headquarters monitoring terminal. If not, a normal result of the cable tunnel inspection and a signal of failure to connect to the local device are sent to the headquarters monitoring terminal, and the headquarters monitoring terminal generates an equipment maintenance report based on the signal of failure to connect to the local device. The generating of the exception handling report specifically includes: When an abnormal signal occurs, the headquarters monitoring terminal sends a connection request signal to the local device and the signal collection mobile terminal respectively, and establishes a communication connection between the headquarters monitoring terminal and the local device and between the headquarters monitoring terminal and the signal collection mobile terminal; The headquarters monitoring terminal simultaneously obtains the database information stored in the local equipment and the signal collection mobile terminal, and calls the abnormal signals therein; Perform data fusion on the abnormal signals of the local equipment and the abnormal signals of the signal acquisition mobile terminal to obtain the data fusion results; Compensation processing is performed on the data fusion result to identify whether the abnormal signal is wrong and generate an abnormal processing report. 2. According to claim 1, the cable tunnel operation status monitoring system based on leaf vein network communication is characterized in that the collected signals include cable signals and cable tunnel environment signals. 3. The cable tunnel operation status monitoring system based on leaf vein network communication according to claim 2, characterized in that the cable signal includes one or more of a voltage signal, a current signal, and a cable temperature signal; The cable tunnel environment signal includes one or more of a temperature signal, a humidity signal, a gas signal, a foreign object signal, and a geographic location signal. 4. According to claim 1, the cable tunnel operation status monitoring system based on leaf vein network communication is characterized in that the local device includes a signal verification module for generating a signal verification report, and when the signal acquisition mobile terminal establishes a communication connection with the local device, it only establishes a communication connection with the signal verification module. 5. According to claim 1, the cable tunnel operation status monitoring system based on leaf vein network communication is characterized in that the signal acquisition mobile terminal includes a patrol vehicle. 6. The cable tunnel operation status monitoring system based on leaf vein network communication according to claim 1 is characterized in that the headquarters monitoring terminal is connected to a mobile terminal.