CN113804250A - Cable shaft invasion monitoring system - Google Patents
Cable shaft invasion monitoring system Download PDFInfo
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- CN113804250A CN113804250A CN202110985572.XA CN202110985572A CN113804250A CN 113804250 A CN113804250 A CN 113804250A CN 202110985572 A CN202110985572 A CN 202110985572A CN 113804250 A CN113804250 A CN 113804250A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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Abstract
The invention discloses a cable well intrusion monitoring system, which comprises an intrusion sensing device, a controller, a communication module and a remote control terminal, wherein the controller is used for controlling the intrusion sensing device; the intrusion sensing device is electrically connected with the controller, and the controller is connected with the remote control terminal through the communication module; the invasion sensing device comprises a GPS sensor for positioning the cable well, an attitude monitoring device for detecting whether the well cover position deviates, a photosensitive monitoring device for detecting the loss of the well cover and an infrared monitoring device for detecting the opening degree of the well cover; the infrared monitoring device comprises an oval infrared light source array, an infrared sensing panel and an overhang arranged between the oval infrared light source array and the infrared sensing panel and used for shielding infrared light, wherein one end of the overhang is hung at the lower end of the well lid through a cable. Data acquisition of the cable well is realized through various sensors, and data transmission is assisted by matching with embedded gateway equipment; the efficiency of cable shaft maintenance has been improved greatly.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of power equipment, in particular to a cable well intrusion monitoring system.
Background
The distribution network is an important part in the whole power system and is responsible for transmitting power to users, the underground cable well is an important part in the distribution network, and whether the underground cable well operates stably plays a key role in the safe operation of the distribution network. In the process of operation and maintenance of the electric well, the well lid is often found to be stolen; after the temperature of the cable intermediate joint is abnormal, the accident position cannot be timely acquired and processed as early as possible, and the accident can be processed on site only after complete deflagration and safety accidents such as power failure are caused; before the cable shaft is constructed, the water level information in the shaft and the concentration condition of toxic gas in the shaft cannot be mastered in time, so that the construction risk and the probability of causing unnecessary casualties are increased. When planning a cable or a cable line, the site conditions in the well, such as the utilization of cable hole sites, the cable installation environment and the like, cannot be checked, and the use of roads and the safe use of power cables are also seriously influenced, particularly in rainy and low-lying areas, equipment in the well can be soaked in water to lose effectiveness and be corroded, so that huge economic losses are caused to public management departments and power systems.
How to rapidly and automatically warn the phenomena of theft, damage and loss of the well lid, so that passers and related departments can find the well lid in time, accidental traffic accidents are avoided, and meanwhile, underground facilities are prevented from being stolen or from being submerged and losing efficacy, which is a problem which troubles the related departments of the power system all the time.
The urban power cable is wide in distribution and large in quantity, the well cover of the cable inspection well is easy to open, and after the well cover is opened, due to lack of supervision, the precaution force for limiting some behaviors which are intentionally damaged is limited. And the current operation management department mainly adopts a manual inspection mode. In order to ensure safe and reliable operation of a power grid, the daily routing inspection pressure of a cable well is huge, and in order to ensure the safety of equipment of the cable trench well, prevent the accidents of equipment theft, pedestrian falling and the like, the management and monitoring of the cable inspection well are required to be increased, so that the condition of the cable well can be mastered in real time, and the on-site condition can be judged in time. Based on thing allies oneself with the technique, utilize low-power consumption, wide area thing networking transmission mechanism, utilize means such as infrared, photosensitive to realize cable shaft intrusion detection mechanism, when the cable shaft lid is opened, early warning in time has ensured cable channel's safety forcefully.
Disclosure of Invention
The invention aims to solve the problem of potential safety hazard caused by the fact that the abnormity of a cable well cannot be found in time, and designs a cable well invasion monitoring system which realizes data acquisition of the cable well through various sensors and assists data transmission by matching with embedded gateway equipment; the efficiency of cable shaft maintenance is greatly improved, the fortune maintenance cost has been reduced, has forcefully ensured the safety of cable channel, has retrieved the economic loss that probably causes.
In order to achieve the technical purpose, the invention provides a technical scheme that the cable well intrusion monitoring system is characterized by comprising an intrusion sensing device, a controller, a communication module and a remote control terminal; the intrusion sensing device is electrically connected with the controller, and the controller is connected with the remote control terminal through the communication module.
In this scheme, the controller adopts STM32F103RCT6 microprocessing chip as control core, through the inside predetermined threshold value of control chip, gathers intrusion sensing device's abnormal data in real time and compares with the threshold value, and then confirms whether to send abnormal information to long-range management and control terminal and carry out the early warning, and the controller passes through communication module and long-range management and control terminal connection, has realized the safe efficient transmission of information.
Preferably, the invasion sensing device comprises a GPS sensor for positioning the cable well position, a well lid posture monitoring device for detecting whether the well lid position deviates, a photosensitive monitoring device for detecting the loss of the well lid and an infrared monitoring device for detecting the opening degree of the well lid.
In the scheme, the photosensitive monitoring device adopts a photosensitive sensor, the photosensitive sensor converts the illumination intensity signal into an electric signal, the electric signal is displayed by a light-emitting diode and is alarmed by a buzzer, the structures of the light sensors are different when the illumination intensity is different, and when the illumination intensity is very strong, the resistance value of the photosensitive sensor is very small; when the illumination intensity is weak, the resistance value of the photosensitive sensor is large; the resistance value of the photosensitive sensor is between that of the strong light and the weak light when the illumination intensity is appropriate. Therefore, the light signal can be changed into the electric signal through the photosensitive sensor, and different signals can be displayed by utilizing different electric signals generated by different resistance values of the illumination sensor. The photosensitive sensor adopts a photosensitive diode, the response range of the photosensitive diode is suitable for the visible light range, the infrared light is completely cut off, and the frequency spectrum range is similar to that of human eyes. Gather the light intensity above the photodiode, thereby when the well lid damages or stolen back, thereby photodiode detects that light changes and reports to the police.
Preferably, the infrared monitoring device comprises an oval infrared light source array, an infrared sensing panel and a pendant arranged between the oval infrared light source array and the infrared sensing panel and used for shielding infrared light, wherein one end of the pendant is hung at the lower end of the well cover through a cable.
In this scheme, the infrared induction panel is E3Z-T82 infrared detector, and when the well lid was closed, signal of the stable output of infrared detector, when the well lid was opened, the thing that hangs down removed, and infrared detector's signal output changes to realize the real-time detection of well lid state.
Preferably, the communication module comprises an NB-IoT communication terminal, an NB-IoT base station and an IOT network platform arranged at the side of the remote monitoring terminal, wherein the NB-IoT communication terminal is installed at the bottom of the manhole cover and is used for sending the manhole cover data monitored by the microprocessor to the IOT network platform in real time through the NB-IoT base station and is used for the remote monitoring terminal to master abnormal data in real time.
In the scheme, the NB-IoT communication terminal is communicated with the controller through a serial port, the controller realizes data interaction of the modules by utilizing an AT command, the baud rate is set to be 9600b/s, and the NB-IoT communication terminal is installed AT the bottom of the well lid and used for sending well lid data monitored by the controller to the remote monitoring terminal in real time and giving an early warning for abnormal conditions.
Preferably, the manhole cover posture monitoring device is a three-axis acceleration sensor of ADLX345 arranged at the lower end of the manhole cover in a micro mode.
In this scheme, adopt ADLX345 triaxial acceleration sensor to monitor whether the well lid takes place the skew. The ADXL345 is low power consuming, with adjustable threshold sleep and wake modes of operation. When the monitoring terminal is in a standby state, the ADLX345 three-axis acceleration sensor mounted on the well lid deflects, the monitored value is larger than a threshold value, the ADLX345 sensor actively wakes up the single chip microcomputer to enable the single chip microcomputer to enter a working mode, the acceleration value of the sensor is measured for 20 times and is sent to an operation unit in the controller, the average value of the acceleration value of the single chip microcomputer for 20 times is calculated, and if the average value is larger than the threshold value, alarm information is immediately uploaded to the server; and if the average value is smaller than the threshold value, the singlechip and the acceleration sensor both enter a standby mode and wait for being awakened next time. Therefore, an ADLX345 three-axis acceleration sensor is selected to monitor whether the well lid is deviated or not. The sensor is high in sensitivity, and can play a role in dynamically monitoring the displacement of the well lid in real time.
Preferably, the remote management and control terminal acquires abnormal data, and determines the fault type and the fault position through analysis of the abnormal data, including the following steps:
the remote control terminal is provided with a cable well fault checking table, and the checking table comprises cable well numbers, geographic coordinates, fault types and historical fault rates of the fault types;
an abnormal induction data threshold value of the intrusion induction device and a corresponding abnormal fault code are preset in the controller;
when the data collected by the intrusion sensing device exceeds a set threshold value, the controller sends the geographical position information of the cable well and the abnormal fault code to a remote control terminal through a communication module;
the remote management terminal tracks the position information of the current fault cable well through a table look-up method, finds out the fault type of a corresponding method according to the abnormal fault code, extracts the adjacent position information of the current fault cable well and sends the adjacent position information to operation and maintenance personnel, and the operation and maintenance personnel accurately position the fault cable well according to the three kinds of geographical position information data and carry out operation and maintenance immediately.
Preferably, the fault types include a type a fault, a type B fault and a type C fault; the type A fault is a well lid deviation fault, and the type B fault is a well lid loss fault; the C-type fault is a well lid opening fault.
Preferably, the early warning device comprises one or more combinations of alarm lamps or alarms, and is started when any one of the A-type fault, the B-type fault and the C-type fault occurs.
The invention has the beneficial effects that:
(1) the collected data are transmitted to a far end based on modern internet of things, low power consumption and narrow-band communication technology, problems are early warned and positioned in time, alarm information is mastered at the first time, and an effective detection means is provided for guaranteeing the safety of cable communication and reducing accidents.
The digitization and the intellectualization of the cable well are realized;
(2) the infrared, photosensitive and pose sensors are carried, so that multi-aspect data acquisition of the complex environment of the cable well is realized, the integrity and reliability of data are guaranteed, more accurate evaluation basis is provided for maintenance personnel, and equipment maintenance is carried out in time;
(3) by adopting an NB-IoT communication technology, an Internet of things technology is designed, and a transmission mechanism with low power consumption and a wide-area Internet of things is utilized to transmit the acquired well lid data to a management platform, so that the data transmission speed is greatly improved, and the cost is also reduced;
(4) the establishment of various sensors can rapidly and automatically warn that the well lid is stolen and damaged in real time, so that pedestrians and related departments can find the well lid in time, accidental traffic accidents are avoided, and meanwhile, underground facilities are prevented from being stolen or being soaked and invalid.
Drawings
Fig. 1 is a schematic structural diagram of a cable well intrusion monitoring system according to the present invention.
Fig. 2 is a schematic view of an installation structure of the infrared monitoring device of the present invention.
The notation in the figure is: the system comprises a controller 1, a communication module 2, a remote control terminal 3, an intrusion sensing device 4, an early warning device 5, a well lid 6, a GPS sensor 41, an attitude monitoring device 42, a photosensitive monitoring device 43, an infrared monitoring device 44, an elliptical infrared light source array 441, an infrared sensing panel 442 and an overhang 443.
Detailed Description
For the purpose of better understanding the objects, technical solutions and advantages of the present invention, the following detailed description of the present invention with reference to the accompanying drawings and examples should be understood that the specific embodiment described herein is only a preferred embodiment of the present invention, and is only used for explaining the present invention, and not for limiting the scope of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts shall fall within the scope of the present invention.
Example (b): as shown in fig. 1, a schematic structural diagram of a cable well intrusion monitoring system is composed of an intrusion sensing device 4, a controller 1, a communication module 2 and a remote control terminal 3; the intrusion sensing device is electrically connected with the controller, and the controller is connected with the remote control terminal through the communication module; the invasion sensing device comprises a GPS sensor 41 for positioning the position of the cable well, a posture monitoring device 42 for detecting whether the position of the well lid 6 deviates, a photosensitive monitoring device 43 for detecting the loss of the well lid and an infrared monitoring device 44 for detecting the opening degree of the well lid.
In the embodiment, the controller adopts an STM32F103RCT6 micro-processing chip as a control core, abnormal data of the intrusion sensing device is collected in real time through a threshold preset in the control chip and is compared with the threshold, whether the abnormal information is sent to a remote control terminal for early warning is further determined, and the controller is connected with the remote control terminal through a communication module, so that safe and efficient transmission of information is realized; the photosensitive monitoring device adopts a photosensitive sensor, the photosensitive sensor converts the light intensity signal into an electric signal, the electric signal is displayed by a light emitting diode and alarmed by a buzzer, the tissues of the light sensors are different when the light intensity is different, and when the light intensity is very strong, the resistance value of the photosensitive sensor is very small; when the illumination intensity is weak, the resistance value of the photosensitive sensor is large; the resistance value of the photosensitive sensor is between that of the strong light and the weak light when the illumination intensity is appropriate. Therefore, the light signal can be changed into the electric signal through the photosensitive sensor, and different signals can be displayed by utilizing different electric signals generated by different resistance values of the illumination sensor. The photosensitive sensor adopts a photosensitive diode, the response range of the photosensitive diode is suitable for the visible light range, the infrared light is completely cut off, and the frequency spectrum range is similar to that of human eyes. Gather the light intensity above the photodiode, thereby when the well lid damages or stolen back, thereby photodiode detects that light changes and reports to the police.
As shown in fig. 2, the infrared monitoring device includes an oval infrared light source array 441, an infrared sensing panel 442, and an overhang 443 disposed between the oval infrared light source array and the infrared sensing panel for shielding infrared light, wherein one end of the overhang is suspended at the lower end of the manhole cover by a cable.
In this embodiment, the infrared induction panel is E3Z-T82 infrared detector, and when the well lid was closed, signal was exported to infrared detector stability, and when the well lid was opened, the overhang removed, and infrared detector's signal output changes to realize the real-time detection of well lid state.
The communication module comprises an NB-IoT communication terminal, an NB-IoT base station and an IOT network platform arranged on the remote monitoring terminal side, wherein the NB-IoT communication terminal is installed at the bottom of the well lid and used for sending the well lid data monitored by the microprocessor to the IOT network platform in real time through the NB-IoT base station and enabling the remote monitoring terminal to master abnormal data in real time. The NB-IoT communication terminal is communicated with the controller through a serial port, the controller realizes data interaction of the modules by utilizing an AT command, the baud rate is set to 9600b/s, and the NB-IoT communication terminal is installed AT the bottom of the manhole cover and used for sending manhole cover data monitored by the controller to the remote monitoring terminal in real time and giving an early warning for abnormal conditions.
The manhole cover posture monitoring device is an ADLX345 three-axis acceleration sensor which is arranged at the lower end of a manhole cover in a micro mode; and an ADLX345 three-axis acceleration sensor is adopted to monitor whether the well lid deviates or not. The ADXL345 is low power consuming, with adjustable threshold sleep and wake modes of operation. When the monitoring terminal is in a standby state, the ADLX345 three-axis acceleration sensor mounted on the well lid deflects, the monitored value is larger than a threshold value, the ADLX345 sensor actively wakes up the single chip microcomputer to enable the single chip microcomputer to enter a working mode, the acceleration value of the sensor is measured for 20 times and is sent to an operation unit in the controller, the average value of the acceleration value of the single chip microcomputer for 20 times is calculated, and if the average value is larger than the threshold value, alarm information is immediately uploaded to the server; and if the average value is smaller than the threshold value, the singlechip and the acceleration sensor both enter a standby mode and wait for being awakened next time. Therefore, an ADLX345 three-axis acceleration sensor is selected to monitor whether the well lid is deviated or not. The sensor is high in sensitivity, and can play a role in dynamically monitoring the displacement of the well lid in real time.
The method comprises the following steps that the remote control terminal obtains abnormal data, and determines the fault type and the fault position through the analysis of the abnormal data, and comprises the following steps:
the remote control terminal is provided with a cable well fault checking table, and the checking table comprises cable well numbers, geographic coordinates, fault types and historical fault rates of the fault types;
an abnormal induction data threshold value of the intrusion induction device and a corresponding abnormal fault code are preset in the controller;
when the data collected by the intrusion sensing device exceeds a set threshold value, the controller sends the geographical position information of the cable well and the abnormal fault code to a remote control terminal through a communication module; meanwhile, the early warning device 5 is started;
the remote management terminal tracks the position information of the current fault cable well through a table look-up method, finds out the fault type of a corresponding method according to the abnormal fault code, extracts the adjacent position information of the current fault cable well and sends the adjacent position information to operation and maintenance personnel, and the operation and maintenance personnel accurately position the fault cable well according to the three kinds of geographical position information data and carry out operation and maintenance immediately.
Preferably, the fault types include a type a fault, a type B fault and a type C fault; the type A fault is a well lid deviation fault, and the type B fault is a well lid loss fault; the C-type fault is a well lid opening fault.
The early warning device comprises one or more combinations of alarm lamps or alarms, and is started when any one of the A-type fault, the B-type fault and the C-type fault occurs.
The above-mentioned embodiments are preferred embodiments of the invasion monitoring system of the cable well according to the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes of the shape and structure according to the present invention are within the protection scope of the present invention.
Claims (8)
1. A cable well intrusion monitoring system is characterized by comprising an intrusion sensing device, a controller, a communication module and a remote control terminal; the intrusion sensing device is electrically connected with the controller, and the controller is connected with the remote control terminal through the communication module.
2. The system according to claim 1, wherein the intrusion sensing device comprises a GPS sensor for positioning the cable well, a posture monitoring device for detecting whether the position of the well cover is deviated, a photosensitive monitoring device for detecting the loss of the well cover, and an infrared monitoring device for detecting the opening degree of the well cover.
3. The system according to claim 2, wherein the infrared monitoring device comprises an oval infrared light source array, an infrared sensing panel and a pendant arranged between the oval infrared light source array and the infrared sensing panel and used for shielding infrared light, and one end of the pendant is suspended at the lower end of the well cover through a cable.
4. The cable well intrusion monitoring system according to claim 1 or 2, wherein the communication module comprises an NB-IoT communication terminal, an NB-IoT base station and an IoT network platform arranged on a remote monitoring terminal side, the NB-IoT communication terminal is installed at the bottom of the well lid, and is used for transmitting the well lid data monitored by the microprocessor to the IoT network platform in real time through the NB-IoT base station, and the remote monitoring terminal is used for mastering the abnormal data in real time.
5. The system of claim 2, wherein the manhole cover posture monitoring device is a three-axis acceleration sensor of ADLX345 which is micro-arranged at the lower end of the manhole cover.
6. The system for monitoring the invasion of the cable well according to claim 1, 2 or 3, wherein the remote control terminal acquires abnormal data, and determines the fault type and the fault position through the analysis of the abnormal data, comprising the following steps:
the remote control terminal is provided with a cable well fault checking table, and the checking table comprises cable well numbers, geographic coordinates, fault types and historical fault rates of the fault types;
an abnormal induction data threshold value of the intrusion induction device and a corresponding abnormal fault code are preset in the controller;
when the data collected by the intrusion sensing device exceeds a set threshold value, the controller sends the geographical position information of the cable well and the abnormal fault code to a remote control terminal through a communication module;
the remote management terminal tracks the position information of the current fault cable well through a table look-up method, finds out the fault type of a corresponding method according to the abnormal fault code, extracts the adjacent position information of the current fault cable well and sends the adjacent position information to operation and maintenance personnel, and the operation and maintenance personnel accurately position the fault cable well according to the three kinds of geographical position information data and carry out operation and maintenance immediately.
7. The wireline well intrusion monitoring system of claim 6,
the fault types comprise A-type faults, B-type faults and C-type faults;
the type A fault is a well lid deviation fault, and the type B fault is a well lid loss fault; the C-type fault is a well lid opening fault.
8. The system of claim 7,
the early warning device comprises one or more combinations of an alarm lamp or an alarm, and is started when any one of the A-type fault, the B-type fault and the C-type fault occurs.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754809A (en) * | 2022-03-17 | 2022-07-15 | 杭州智缤科技有限公司 | Well lid is opened and damaged monitoring system |
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| CN110347077A (en) * | 2019-06-26 | 2019-10-18 | 南京汉朝软件有限公司 | A kind of well lid intelligent monitor system |
| CN110865591A (en) * | 2019-12-19 | 2020-03-06 | 重庆公茂科技有限公司 | Intelligent well lid monitoring system |
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| CN108765871A (en) * | 2018-08-03 | 2018-11-06 | 武汉路宝市政建设配套设施有限公司 | A kind of well lid monitoring device and monitoring method |
| CN110347077A (en) * | 2019-06-26 | 2019-10-18 | 南京汉朝软件有限公司 | A kind of well lid intelligent monitor system |
| CN110908311A (en) * | 2019-12-05 | 2020-03-24 | 天津耀通科技股份有限公司 | Intelligent well lid monitor terminal of bimodulus communication |
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