CN109167435A - Cable trench operation and maintenance method and device - Google Patents
Cable trench operation and maintenance method and device Download PDFInfo
- Publication number
- CN109167435A CN109167435A CN201811116463.9A CN201811116463A CN109167435A CN 109167435 A CN109167435 A CN 109167435A CN 201811116463 A CN201811116463 A CN 201811116463A CN 109167435 A CN109167435 A CN 109167435A
- Authority
- CN
- China
- Prior art keywords
- cable
- sensor
- information
- sensing terminal
- environmental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012423 maintenance Methods 0.000 title abstract description 16
- 230000007613 environmental effect Effects 0.000 claims abstract description 106
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 239000002341 toxic gas Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003862 health status Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
-
- H02J13/0075—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The application relates to a cable trench operation and maintenance method and device. The method comprises the following steps: the method comprises the steps that environmental information of a cable trench is collected through an environmental sensor installed in the cable trench, the collected environmental information is sent to an intelligent sensing terminal connected with the environmental sensor, the environmental information and position information of the intelligent sensing terminal are sent to a cloud server through the intelligent sensing terminal, the environmental information is analyzed on the cloud server, an analysis result and early warning information corresponding to the environmental information are obtained, the analysis result and the early warning information are sent to an application client connected with the cloud server through the cloud server, and therefore the environment information is collected through the environmental sensor installed in the cable trench. The contents of claim 1). By adopting the method, the faults in the cable trench can be monitored and positioned in real time, the cable trench is subjected to real-time, efficient and comprehensive online detection and supervision, and the operation and maintenance efficiency and safety of the cable trench are improved.
Description
Technical field
This application involves intelligent power grid technology fields, more particularly to a kind of cable duct O&M method and apparatus.
Background technique
Power cable is one of key equipment of urban power distribution network, is the important node of smart grid construction.In order to guarantee
The safe and reliable operation of distribution network system promotes early warning and the Ability of emergency management of power grid, improves power supply capacity and improves power supply
Quality guarantees the sustainable development of society, and it is particularly significant to carry out efficient on-line checking, supervision and maintenance to power cable.
Cable duct is underpass, environment closing and without low-tension supply, and it is unsmooth to be easy to appear cable aging quickening, air
The problems such as logical, electric cable heating, can occur lasting shelf depreciation under serious situation, may cause explosive combustion accident.Currently,
Entered in cable duct and overhauled by the detection device that maintenance personal carries mostly, communication signal is weaker in cable duct and cable
Safe condition is unknown in ditch, so that maintenance personal enters after cable duct, there are biggish personal safety hidden danger, and by repairing people
Member carries out failure and is positioned manually, and takes a long time.
Summary of the invention
Based on this, it is necessary to which in view of the above technical problems, the online of real-time high-efficiency can be carried out to cable duct by providing one kind
Detection and supervision, improve the efficiency of cable duct O&M and the cable duct O&M method and apparatus of safety.
A kind of cable duct O&M method, which comprises
By the environmental sensor being installed in cable duct, acquires the environmental information of the cable duct and believe the environment
Breath is sent to corresponding intelligent sensing terminal；
The location information of the environmental information and the intelligent sensing terminal is sent to by the intelligent sensing terminal
Cloud Server, the intelligent sensing terminal are connect by things-internet gateway with the Cloud Server；
According to the location information of the intelligent sensing terminal, the environmental information is divided on the cloud server
Analysis, obtains the corresponding analysis result of the environmental information and warning information；
The analysis result and the warning information are sent to by the Cloud Server and connect with the Cloud Server
Applications client.
In one of the embodiments, further include: the Physical Network gateway passes through LoRaWAN mode and/or the side NB-IOT
Formula and the intelligent sensing terminal called, the things-internet gateway pass through GPRS network and/or wireless network and the cloud service
Device communication.
In one of the embodiments, the environmental sensor include environment humidity sensor, cable temperature sensor,
Current sensor, partial discharge sensor, gas sensor and smoke sensor device.
In one of the embodiments, by the environmental sensor being installed in cable duct, the ring of the cable duct is acquired
Border information and the step of the environmental information is sent to corresponding intelligent sensing terminal, comprising:
Obtain the temperature value that each temperature probe measures on the cable temperature sensor；
The Current Temperatures of cable connector where setting the cable temperature sensor for the maximum value in the temperature value,
The cable temperature sensor is mounted on the cable connector configured with the preset quantity temperature probe, the temperature probe
At upper preset temperature measuring point.
The cable temperature sensor includes anti-metal temperature-sensitive label and RFID reader in one of the embodiments,
The anti-metal temperature-sensitive label is located in the cable duct at cable core or cable sleeve, and the RFID reader is located at described
Outside anti-metal temperature-sensitive label, for reading the core temperature of the cable.
The partial discharge sensor includes ozone partial discharge sensor and Rogowski coil sensor in one of the embodiments,
By the environmental sensor being installed in cable duct, acquires the environmental information of the cable duct and be sent to the environmental information
The step of corresponding intelligent sensing terminal, comprising:
The ozone that cable generates atmospherical discharges in the cable duct is detected by the ozone partial discharge sensor；
The cable is detected by the Rogowski coil sensor to discharge over the ground the high-frequency impulse cable of generation.
The gas sensor includes combustible gas sensor and toxic gas sensor in one of the embodiments,.
In one of the embodiments, the environmental sensor further include cable identification identifier, press detection sensor,
Liquid level sensor and photosensitive sensor.
The environmental sensor further includes the infrared biography being set at the cable duct well head in one of the embodiments,
Sensor and the vibrating sensor being set to above the cable duct well head.
A kind of cable duct O&M device, described device include:
It acquires information sending module and acquires the cable duct for the environmental sensor by being installed in cable duct
The environmental information is simultaneously sent to corresponding intelligent sensing terminal by environmental information；
Gateway sending module, for by the intelligent sensing terminal by the environmental information and the intelligent sensing terminal
Location information be sent to Cloud Server, the intelligent sensing terminal is connect by things-internet gateway with the Cloud Server；
Information analysis module, for the location information according to the intelligent sensing terminal, on the cloud server to institute
It states environmental information to be analyzed, obtains the corresponding analysis result of the environmental information and warning information；And
As a result sending module, for by the Cloud Server by the analysis result and the warning information be sent to
The applications client of the Cloud Server connection.
Above-mentioned cable duct O&M method and apparatus acquire the ring of cable duct by the environmental sensor being installed in cable duct
Border information, and the environmental information of acquisition is sent to the intelligent sensing terminal connecting with environmental sensor, pass through intelligent sensing end
The location information of environmental information and intelligent sensing terminal is sent to Cloud Server by end, is carried out on Cloud Server to environmental information
Analysis obtains the corresponding analysis result of environmental information and warning information, will analyze result by Cloud Server and warning information is sent out
The applications client connecting with Cloud Server is given, so that the real-time monitoring of failure and the positioning of fault point are realized, to cable duct
The comprehensive on-line checking of real-time high-efficiency and supervision are carried out, the efficiency and safety of cable duct O&M are improved.
Detailed description of the invention
Fig. 1 is the flow diagram of cable duct O&M method in one embodiment；And
Fig. 2 is the structural block diagram of cable duct O&M device in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, as shown in Figure 1, providing a kind of cable duct O&M method, comprising the following steps:
Step 102, it by the environmental sensor being installed in cable duct, acquires the environmental information of cable duct and believes environment
Breath is sent to corresponding intelligent sensing terminal.
Specifically, in order to comprehensively obtain the environmental information in cable duct, all kinds of rings are mounted in advance in cable duct
Border sensor.It is provided with different types of sensor interface in intelligent sensing terminal, for being connect with environmental sensor, and obtains
The environmental information that environmental sensor acquires in real time.
In one embodiment, environmental sensor includes environment humidity sensor, cable temperature sensor, current sense
Device, partial discharge sensor, gas sensor and smoke sensor device, to carry out comprehensive monitoring to the environmental information in cable duct.
Wherein, environment humidity sensor is sentenced for the ambient temperature and humidity in detection cable ditch with the ambient temperature and humidity according to cable duct
Cable ditch ventilation condition is powered off, judges cable load indirectly；Cable temperature sensor is used for the temperature of detection cable ditch middle cable connector
Degree judges the health status of cable connector with the temperature according to cable connector；Current sensor is for the electricity in detection cable
Stream,；Shelf depreciation situation of the partial discharge sensor for cable in detection cable ditch；Gas sensor is for phase in detection cable ditch
Answer the content of gas；Smoke sensor device is used for carbon monoxide (CO) content of detection cable ditch, with the oxidation according to cable duct
Carbon judges whether cable is on fire or whether overloads in cable duct.The shelf depreciation situation of electric current and cable in cable is ok
For judging the health status of cable.
In one embodiment, environmental sensor further include cable identification identifier, pressure sensor, liquid level sensor with
And photosensitive sensor.Wherein, cable identification sensor is for identifying the cable identification on cable, in cable duct
Cable carries out the water level and pressure of asset management, pressure sensor and liquid level sensor for ponding in detection cable, photosensitive biography
Whether well lid of the sensor for detection cable ditch is opened.
In one embodiment, environmental sensor further includes infrared sensor and vibrating sensor.Wherein, infrared ray passes
Sensor is set to cable duct well head, and vibrating sensor is set to above cable duct well head, infrared sensor and vibrating sensor
For detecting whether there is human or animal to swarm into cable duct.
Step 104, the location information of environmental information and intelligent sensing terminal is sent to by cloud clothes by intelligent sensing terminal
Business device, intelligent sensing terminal are connect by things-internet gateway with Cloud Server.
Wherein, it is provided with GPS antenna in intelligent sensing terminal, for obtaining the location information of intelligent sensing terminal, by this
Location information and the environmental information of environmental sensor acquisition pass through things-internet gateway together and are sent to Cloud Server, are conducive to intelligence
The position of energy sensing terminal is effectively tracked, while realizing the positioning to fault point.
Wherein, things-internet gateway is connect with intelligent sensing terminal, Cloud Server respectively.Each things-internet gateway is constituted from group
Net to improve communication signal intensity and communication distance in cable duct O&M by Internet of Things and ad hoc network, and realizes electricity
The low-power consumption of cable ditch O&M communicates.
In one embodiment, intelligent sensing terminal be evil spirit section (magical node) sensor, evil spirit section sensor be by
Eiotview energy technology of Internet of things company release based on Internet of Things+internet thinking intelligent sensing terminal, can effectively drop
The biosensor power consumption of low cable duct O&M reduces the comprehensive lower deployment cost of sensor.
In one embodiment, things-internet gateway passes through LoRaWAN mode and/or NB-IOT mode and intelligent sensing terminal
Communication, things-internet gateway is communicated by GPRS network or wireless network and Cloud Server, to solve to lead to cable in cable duct
Signal is bad in ditch, communicates the higher problem of power consumption, so that the communication in cable duct has high-penetration, long range, super low-power consumption
Advantage, increase cable duct in data transmission efficiency, the safe coefficient of cable duct is provided.
In one embodiment, gateway distance is each preset in city and set up a things-internet gateway, pass every default
Sensor terminal distance installs an intelligent sensing terminal in cable duct, to realize the whole O&M of cable duct in city.Make
Illustratively, to assume a things-internet gateway, it can be achieved that 3 things-internet gateway coverings every 3 to 5 kms in the same city
120 square kilometres of demand signals.
Step 106, environmental information is analyzed on Cloud Server, obtains the corresponding analysis result of environmental information and in advance
Alert information.
Specifically, Cloud Server is when receiving environmental information, record environmental information, the acquisition moment of environmental information and intelligence
The location information of energy sensing terminal carries out data statistics and analysis for every monitored parameters in environmental information, obtains environment
The corresponding analysis of information is as a result, i.e. items monitored parameters are in the monitoring numerical value at different acquisition moment and the change of every monitored parameters
Change trend.According to the corresponding predetermined safe range of every monitored parameters, the prison in currently acquisition moment items monitored parameters is judged
It surveys whether numerical value exceeds corresponding safe range, corresponding warning information is generated according to judging result.Wherein, monitored parameters are each
The test object of environmental sensor.For example, in the temperature of ambient temperature and humidity, cable duct middle cable connector in cable duct, cable
Electric current, the shelf depreciation situation of cable, content of corresponding gas etc. is all detection variable in cable duct.
In one embodiment, warning information may include the fault type occurred in cable duct, position of failure point and event
Hinder severity etc., consequently facilitating maintenance personal is timely and accurately handled the failure in cable duct.Wherein, failure point
Set can be corresponding intelligent sensing terminal location information, can also according to the location information of fault type and intelligent sensing terminal,
Position of failure point is set by the position for monitoring the environmental sensor of the fault point.
Step 108, result will be analyzed by Cloud Server and warning information is sent to the application visitor connecting with Cloud Server
Family end.
Specifically, after the analysis result and warning information for obtaining cable duct environmental information, analysis result and early warning are believed
Breath is sent to applications client, so that the user of applications client grasps ambient conditions in cable duct, and in time in cable duct
Failure carry out on-call maintenance.
In one embodiment, applications client includes management client and maintenance client, and Cloud Server ties analysis
Fruit is sent to management client, and when failure early warning in analysis result or fault warning, cloud service is according to fault point
Position determines Regional Champion's information of the position, and it is corresponding that fault pre-alarming or fault warning are sent to Regional Champion's information
Maintenance client, so as to Regional Champion organize in time Pit Crew carry out breakdown maintenance, to effectively improve cable duct
O&M efficiency.
In one embodiment, the device id and intelligent sensing terminal of each things-internet gateway are stored in advance in Cloud Server
Device id, these device ids are sent to applications client, in applications client each things-internet gateway of real-time display
The presence of linear state and each intelligent sensing terminal, so that user can recognize that each things-internet gateway and each intelligence pass in time
Whether sense terminal works normally.
In one embodiment, electronic map is drawn in applications client, according to the device id of each things-internet gateway and
The device id and device location of device location and each intelligent sensing terminal, show each things-internet gateway on the electronic map
With each intelligent sensing terminal, so that user grasps the distribution of each things-internet gateway and each intelligent sensing terminal.
Above-mentioned cable duct O&M method acquires the environmental information of cable duct by environmental sensor, and by the environment of acquisition
Information is sent to intelligent sensing terminal, is sent the location information of environmental information and intelligent sensing terminal by intelligent sensing terminal
To Cloud Server, environmental information is analyzed on Cloud Server, obtains the corresponding analysis result of environmental information and early warning letter
Analysis result and warning information are sent to the applications client connecting with Cloud Server, to realize the real-time prison of failure by breath
It surveys and the positioning of fault point improves the effect of cable duct O&M to the comprehensive on-line checking of cable duct progress real-time high-efficiency and supervision
Rate and safety.
In one embodiment, cable temperature sensor is mounted in cable duct middle cable connector, cable temperature sensor
There are two temperature probe, temperature probes to be mounted on cable connector at preset temperature measuring point for configuration.In the temperature of measurement cable connector
When spending, cable temperature sensor reads the temperature value that each temperature probe measures on the cable connector, selects from these temperature values
The Current Temperatures as cable connector are maximized, to form corresponding face by these temperature measuring points, realize temperature of cable junction
Planar survey, reduce temperature of cable junction measurement cost, installation difficulty and data volume, improve temperature of cable junction measurement
Accuracy.
In one embodiment, 1 cable temperature sensor, each cable are installed on each cable connector in cable duct
Temperature sensor is configured with 3 to 6 temperature probes.Cable temperature sensor is radio temperature sensor.
In another embodiment, cable temperature sensor includes anti-metal temperature-sensitive label and RFID (radio frequency identification)
Reader, RFID reader read anti-metal temperature-sensitive by RFID reader for carrying out energy transmission and data transmission decoding
The temperature information of label obtains the core temperature of cable, due to the core temperature of cable and the temperature close of cable connector, because
This can will assess the temperature of the core temperature substitution assessment cable connector of cable, to be effectively reduced temperature of cable junction survey
The cost of amount improves the accuracy of temperature of cable junction measurement.Wherein, anti-metal temperature-sensitive label is located at cable in cable duct
At core or cable sleeve, RFID reader is located at outside anti-metal temperature-sensitive label.
In one embodiment, it is contemplated that the environment and working condition of cable duct, partial discharge sensor include that ozone partial discharge passes
Sensor and Rogowski coil sensor, wherein ozone partial discharge sensor generates atmospherical discharges for cable in detection cable ditch
Ozone, Rogowski coil sensor discharges the high-frequency impulse cable of generation over the ground for detection cable, thus effectively to cable duct
Carry out partial discharge detection.
In one embodiment, Rogowski coil sensor is hyperfrequency Rogowski coil sensor.
In one embodiment, gas sensor includes combustible gas sensor and toxic gas sensor, wherein flammable
Gas sensor is for detecting flammable alkanes gas, to judge that organic matter is rotten in cable duct according to the content of flammable alkanes gas
Rotten state judges the clean conditions and safe condition of cable duct indirectly, and toxic gas sensor is for detecting hydrogen sulfide (H2S) gas
Body succinctly judges cable to judge the whether long-term soaked and cable aging conditions of cable according to the content of hydrogen sulfide gas
The safe condition of ditch.
In one embodiment, gas sensor further includes oxygen sensor, for the oxygen in detection cable ditch, with root
The safe condition of cable duct is judged according to the content of oxygen.
It should be understood that although each step in the flow chart of Fig. 1 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 1
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
In one embodiment, as shown in Fig. 2, providing a kind of cable duct O&M device 200, comprising: acquisition information hair
Send module 202, gateway sending module 204, information analysis module 206 and result sending module 208, in which:
It acquires information sending module 202 and acquires the ring of cable duct for the environmental sensor by being installed in cable duct
Environmental information is simultaneously sent to corresponding intelligent sensing terminal by border information.
Specifically, in order to comprehensively obtain the environmental information in cable duct, all kinds of rings are mounted in advance in cable duct
Border sensor.It is provided with different types of sensor interface in intelligent sensing terminal, for being connect with environmental sensor, and obtains
The environmental information that environmental sensor acquires in real time.
In one embodiment, environmental sensor includes environment humidity sensor, cable temperature sensor, current sense
Device, partial discharge sensor, gas sensor and smoke sensor device, to carry out comprehensive monitoring to the environmental information in cable duct.
Wherein, environment humidity sensor is sentenced for the ambient temperature and humidity in detection cable ditch with the ambient temperature and humidity according to cable duct
Cable ditch ventilation condition is powered off, judges cable load indirectly；Cable temperature sensor is used for the temperature of detection cable ditch middle cable connector
Degree judges the health status of cable connector with the temperature according to cable connector；Current sensor is for the electricity in detection cable
Stream,；Shelf depreciation situation of the partial discharge sensor for cable in detection cable ditch；Gas sensor is for phase in detection cable ditch
Answer the content of gas；Smoke sensor device is used for carbon monoxide (CO) content of detection cable ditch, with the oxidation according to cable duct
Carbon judges whether cable is on fire or whether overloads in cable duct.The shelf depreciation situation of electric current and cable in cable is ok
For judging the health status of cable.
In one embodiment, environmental sensor further include cable identification identifier, pressure sensor, liquid level sensor with
And photosensitive sensor.Wherein, cable identification sensor is for identifying the cable identification on cable, in cable duct
Cable carries out the water level and pressure of asset management, pressure sensor and liquid level sensor for ponding in detection cable, photosensitive biography
Whether well lid of the sensor for detection cable ditch is opened.
In one embodiment, environmental sensor further includes infrared sensor and vibrating sensor.Wherein, infrared ray passes
Sensor is set to cable duct well head, and vibrating sensor is set to above cable duct well head, infrared sensor and vibrating sensor
For detecting whether there is human or animal to swarm into cable duct.
Gateway sending module 204, for being believed the position of environmental information and intelligent sensing terminal by intelligent sensing terminal
Breath is sent to Cloud Server, and intelligent sensing terminal is connect by things-internet gateway with Cloud Server.
Wherein, it is provided with GPS antenna in intelligent sensing terminal, for obtaining the location information of intelligent sensing terminal, by this
Location information and the environmental information of environmental sensor acquisition pass through things-internet gateway together and are sent to Cloud Server, are conducive to intelligence
The position of energy sensing terminal is effectively tracked, while realizing the positioning to fault point.
Wherein, things-internet gateway is connect with intelligent sensing terminal, Cloud Server respectively.Each things-internet gateway is constituted from group
Net to improve communication signal intensity and communication distance in cable duct O&M by Internet of Things and ad hoc network, and realizes electricity
The low-power consumption of cable ditch O&M communicates.
In one embodiment, intelligent sensing terminal be evil spirit section (magical node) sensor, evil spirit section sensor be by
Eiotview energy technology of Internet of things company release based on Internet of Things+internet thinking intelligent sensing terminal, can effectively drop
The biosensor power consumption of low cable duct O&M reduces the comprehensive lower deployment cost of sensor.
In one embodiment, intelligent sensing terminal be evil spirit section (magical node) sensor, evil spirit section sensor be by
Eiotview energy technology of Internet of things company release based on Internet of Things+internet thinking intelligent sensing terminal, can effectively drop
The biosensor power consumption of low cable duct O&M reduces the comprehensive lower deployment cost of sensor.
In one embodiment, things-internet gateway passes through LoRaWAN mode and/or NB-IOT mode and intelligent sensing terminal
Communication, things-internet gateway is communicated by GPRS network or wireless network and Cloud Server, to solve to lead to cable in cable duct
Signal is bad in ditch, communicates the higher problem of power consumption, so that the communication in cable duct has high-penetration, long range, super low-power consumption
Advantage, increase cable duct in data transmission efficiency, the safe coefficient of cable duct is provided.
In one embodiment, gateway distance is each preset in city and set up a things-internet gateway, pass every default
Sensor terminal distance installs an intelligent sensing terminal in cable duct, to realize the whole O&M of cable duct in city.Make
Illustratively, to assume a things-internet gateway, it can be achieved that 3 things-internet gateway coverings every 3 to 5 kms in the same city
120 square kilometres of demand signals.
It is corresponding to obtain environmental information for analyzing on Cloud Server environmental information for information analysis module 206
Analyze result and warning information.
Specifically, Cloud Server is when receiving environmental information, record environmental information, the acquisition moment of environmental information and intelligence
The location information of energy sensing terminal carries out data statistics and analysis for every monitored parameters in environmental information, obtains environment
The corresponding analysis of information is as a result, i.e. items monitored parameters are in the monitoring numerical value at different acquisition moment and the change of every monitored parameters
Change trend.According to the corresponding predetermined safe range of every monitored parameters, the prison in currently acquisition moment items monitored parameters is judged
It surveys whether numerical value exceeds corresponding safe range, corresponding warning information is generated according to judging result.Wherein, monitored parameters are each
The test object of environmental sensor.For example, in the temperature of ambient temperature and humidity, cable duct middle cable connector in cable duct, cable
Electric current, the shelf depreciation situation of cable, content of corresponding gas etc. is all detection variable in cable duct.
In one embodiment, warning information may include the fault type occurred in cable duct, position of failure point and event
Hinder severity etc., consequently facilitating maintenance personal is timely and accurately handled the failure in cable duct.Wherein, failure point
Set can be corresponding intelligent sensing terminal location information, can also according to the location information of fault type and intelligent sensing terminal,
Position of failure point is set by the position for monitoring the environmental sensor of the fault point.
As a result sending module 208, for by Cloud Server result will to be analyzed, warning information and location information be sent to
The applications client of Cloud Server connection.
Specifically, after the analysis result and warning information for obtaining cable duct environmental information, analysis result and early warning are believed
Breath is sent to applications client, so that the user of applications client grasps ambient conditions in cable duct, and in time in cable duct
Failure carry out on-call maintenance.
In one embodiment, applications client includes management client and maintenance client, and Cloud Server ties analysis
Fruit is sent to management client, and when failure early warning in analysis result or fault warning, cloud service is according to fault point
Position determines Regional Champion's information of the position, and it is corresponding that fault pre-alarming or fault warning are sent to Regional Champion's information
Maintenance client, so as to Regional Champion organize in time Pit Crew carry out breakdown maintenance, to effectively improve cable duct
O&M efficiency.
In one embodiment, the device id and intelligent sensing terminal of each things-internet gateway are stored in advance in Cloud Server
Device id, these device ids are sent to applications client, in applications client each things-internet gateway of real-time display
The presence of linear state and each intelligent sensing terminal, so that user can recognize that each things-internet gateway and each intelligence pass in time
Whether sense terminal works normally.
In one embodiment, electronic map is drawn in applications client, according to the device id of each things-internet gateway and
The device id and device location of device location and each intelligent sensing terminal, show each things-internet gateway on the electronic map
With each intelligent sensing terminal, so that user grasps the distribution of each things-internet gateway and each intelligent sensing terminal.
Above-mentioned cable duct O&M device acquires the environmental information of cable duct by environmental sensor, and by the environment of acquisition
Information is sent to intelligent sensing terminal, is sent the location information of environmental information and intelligent sensing terminal by intelligent sensing terminal
To Cloud Server, environmental information is analyzed on Cloud Server, obtains the corresponding analysis result of environmental information and early warning letter
Analysis result and warning information are sent to the applications client connecting with Cloud Server, to realize the real-time prison of failure by breath
It surveys and the positioning of fault point improves the effect of cable duct O&M to the comprehensive on-line checking of cable duct progress real-time high-efficiency and supervision
Rate and safety.
In one embodiment, cable temperature sensor is mounted in cable duct middle cable connector, cable temperature sensor
There are two temperature probe, temperature probes to be mounted on cable connector at preset temperature measuring point for configuration.In the temperature of measurement cable connector
When spending, cable temperature sensor reads the temperature value that each temperature probe measures on the cable connector, selects from these temperature values
The Current Temperatures as cable connector are maximized, to form corresponding face by these temperature measuring points, realize temperature of cable junction
Planar survey, reduce temperature of cable junction measurement cost, installation difficulty and data volume, improve temperature of cable junction measurement
Accuracy.
In one embodiment, 1 cable temperature sensor, each cable are installed on each cable connector in cable duct
Temperature sensor is configured with 3 to 6 temperature probes.Cable temperature sensor is radio temperature sensor.
In another embodiment, cable temperature sensor includes anti-metal temperature-sensitive label and RFID (radio frequency identification)
Reader, RFID reader read anti-metal temperature-sensitive by RFID reader for carrying out energy transmission and data transmission decoding
The temperature information of label obtains the core temperature of cable, due to the core temperature of cable and the temperature close of cable connector, because
This can will assess the temperature of the core temperature substitution assessment cable connector of cable, to be effectively reduced temperature of cable junction survey
The cost of amount improves the accuracy of temperature of cable junction measurement.Wherein, anti-metal temperature-sensitive label is located at cable in cable duct
At core or cable sleeve, RFID reader is located at outside anti-metal temperature-sensitive label.
In one embodiment, it is contemplated that the environment and working condition of cable duct, partial discharge sensor include that ozone partial discharge passes
Sensor and Rogowski coil sensor, wherein ozone partial discharge sensor generates atmospherical discharges for cable in detection cable ditch
Ozone, Rogowski coil sensor discharges the high-frequency impulse cable of generation over the ground for detection cable, thus effectively to cable duct
Carry out partial discharge detection.
In one embodiment, Rogowski coil sensor is hyperfrequency Rogowski coil sensor.
In one embodiment, gas sensor includes combustible gas sensor and toxic gas sensor, wherein flammable
Gas sensor is for detecting flammable alkanes gas, to judge that organic matter is rotten in cable duct according to the content of flammable alkanes gas
Rotten state judges the clean conditions and safe condition of cable duct indirectly, and toxic gas sensor is for detecting hydrogen sulfide (H2S) gas
Body succinctly judges cable to judge the whether long-term soaked and cable aging conditions of cable according to the content of hydrogen sulfide gas
The safe condition of ditch.
In one embodiment, gas sensor further includes oxygen sensor, for the oxygen in detection cable ditch, with root
The safe condition of cable duct is judged according to the content of oxygen.
Specific about cable duct O&M device limits the restriction that may refer to above for cable duct O&M method,
This is repeated no more.Modules in above-mentioned cable duct O&M device can come fully or partially through software, hardware and combinations thereof
It realizes.Above-mentioned each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also be with software
Form is stored in the memory in computer equipment, executes the corresponding operation of the above modules in order to which processor calls.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of cable duct O&M method, which is characterized in that the described method includes:
By the environmental sensor being installed in cable duct, acquires the environmental information of the cable duct and send out the environmental information
Give corresponding intelligent sensing terminal；
The location information of the environmental information and the intelligent sensing terminal is sent to cloud clothes by the intelligent sensing terminal
Business device, the intelligent sensing terminal are connect by things-internet gateway with the Cloud Server；
According to the location information of the intelligent sensing terminal, the environmental information is analyzed on the cloud server, is obtained
Obtain the corresponding analysis result of the environmental information and warning information；
The analysis result and the warning information are sent to and are answered with what the Cloud Server was connect by the Cloud Server
Use client.
2. the method according to claim 1, wherein the Physical Network gateway by LoRaWAN mode and/or
NB-IOT mode and the intelligent sensing terminal called, the things-internet gateway pass through GPRS network and/or wireless network and institute
State Cloud Server communication.
3. the method according to claim 1, wherein the environmental sensor include environment humidity sensor,
Cable temperature sensor, current sensor, partial discharge sensor, gas sensor and smoke sensor device.
4. according to the method described in claim 3, it is characterized in that, environmental sensor by being installed in cable duct, acquisition
The environmental information of the cable duct and the step of the environmental information is sent to corresponding intelligent sensing terminal, comprising:
Obtain the temperature value that each temperature probe measures on the cable temperature sensor；
The Current Temperatures of cable connector, described where setting the cable temperature sensor for the maximum value in the temperature value
Cable temperature sensor is mounted on the cable connector in advance configured with the preset quantity temperature probe, the temperature probe
If temperature measuring point at.
5. according to the method described in claim 3, it is characterized in that, the cable temperature sensor includes anti-metal temperature-sensitive label
And RFID reader, the anti-metal temperature-sensitive label are located in the cable duct at cable core or cable sleeve, the RFID
Reader is located at outside the anti-metal temperature-sensitive label, for reading the core temperature of the cable.
6. according to the method described in claim 3, it is characterized in that, the partial discharge sensor includes ozone partial discharge sensor and sieve
Family name's coil pickoff acquires the environmental information of the cable duct and will be described by the environmental sensor being installed in cable duct
Environmental information is sent to the step of corresponding intelligent sensing terminal, comprising:
The ozone that cable generates atmospherical discharges in the cable duct is detected by the ozone partial discharge sensor；
The cable is detected by the Rogowski coil sensor to discharge over the ground the high-frequency impulse cable of generation.
7. according to the method described in claim 3, it is characterized in that, the gas sensor includes combustible gas sensor and has
Poison gas body sensor.
8. according to the method described in claim 3, it is characterized in that, the environmental sensor further include cable identification identifier,
Press detection sensor, liquid level sensor and photosensitive sensor.
9. the system as claimed in claim 1, which is characterized in that the environmental sensor further includes being set to the cable duct well
The infrared sensor at mouthful place and the vibrating sensor that is set to above the cable duct well head.
10. a kind of cable duct O&M device, which is characterized in that described device includes:
It acquires information sending module and acquires the environment of the cable duct for the environmental sensor by being installed in cable duct
The environmental information is simultaneously sent to corresponding intelligent sensing terminal by information；
Gateway sending module, for by the intelligent sensing terminal by the position of the environmental information and the intelligent sensing terminal
Confidence breath is sent to Cloud Server, and the intelligent sensing terminal is connect by things-internet gateway with the Cloud Server；
Information analysis module, for the location information according to the intelligent sensing terminal, on the cloud server to the ring
Border information is analyzed, and the corresponding analysis result of the environmental information and warning information are obtained；And
As a result sending module, for by the Cloud Server by the analysis result and the warning information be sent to it is described
The applications client of Cloud Server connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116463.9A CN109167435A (en) | 2018-09-25 | 2018-09-25 | Cable trench operation and maintenance method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116463.9A CN109167435A (en) | 2018-09-25 | 2018-09-25 | Cable trench operation and maintenance method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167435A true CN109167435A (en) | 2019-01-08 |
Family
ID=64880403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116463.9A Pending CN109167435A (en) | 2018-09-25 | 2018-09-25 | Cable trench operation and maintenance method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109167435A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823414A (en) * | 2019-12-12 | 2020-02-21 | 国网湖南省电力有限公司 | Method and system for monitoring temperature of surface layer and core of cable joint |
| CN111426345A (en) * | 2020-03-24 | 2020-07-17 | 深圳供电局有限公司 | Distributed cable channel environment monitoring system, method and computer equipment |
| CN111445110A (en) * | 2020-03-05 | 2020-07-24 | 深圳供电局有限公司 | Cable channel-based environmental risk decision method and device and computer equipment |
| CN111766476A (en) * | 2020-07-14 | 2020-10-13 | 广东电网有限责任公司 | Rapid networking and fault early warning device for bypass cable monitoring and early warning method thereof |
| CN113781732A (en) * | 2021-07-23 | 2021-12-10 | 广东电网有限责任公司广州供电局 | Cable channel fire early warning method and device based on intelligent gateway |
| CN113904441A (en) * | 2021-09-01 | 2022-01-07 | 广州番禺电缆集团有限公司 | Cable management method and system |
| CN114063548A (en) * | 2021-11-18 | 2022-02-18 | 广东电网有限责任公司 | Cable trench comprehensive environment monitoring method and system |
| CN114371653A (en) * | 2021-11-29 | 2022-04-19 | 深圳供电局有限公司 | Monitoring system of cable trench |
| CN114370895A (en) * | 2021-11-29 | 2022-04-19 | 深圳供电局有限公司 | Monitoring system of cable trench |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017560A (en) * | 2016-06-14 | 2016-10-12 | 上海君世电气科技有限公司 | Cable well state comprehensive monitoring and early warning system |
| CN108022412A (en) * | 2017-12-18 | 2018-05-11 | 长沙志鸿文化传媒有限公司 | Buried cable monitoring and warning system based on Internet of Things |
| CN108519127A (en) * | 2017-12-19 | 2018-09-11 | 国网山东省电力公司烟台供电公司 | A kind of cable tunnel intelligent monitor system |
-
2018
- 2018-09-25 CN CN201811116463.9A patent/CN109167435A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017560A (en) * | 2016-06-14 | 2016-10-12 | 上海君世电气科技有限公司 | Cable well state comprehensive monitoring and early warning system |
| CN108022412A (en) * | 2017-12-18 | 2018-05-11 | 长沙志鸿文化传媒有限公司 | Buried cable monitoring and warning system based on Internet of Things |
| CN108519127A (en) * | 2017-12-19 | 2018-09-11 | 国网山东省电力公司烟台供电公司 | A kind of cable tunnel intelligent monitor system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823414A (en) * | 2019-12-12 | 2020-02-21 | 国网湖南省电力有限公司 | Method and system for monitoring temperature of surface layer and core of cable joint |
| CN111445110A (en) * | 2020-03-05 | 2020-07-24 | 深圳供电局有限公司 | Cable channel-based environmental risk decision method and device and computer equipment |
| CN111445110B (en) * | 2020-03-05 | 2023-03-03 | 深圳供电局有限公司 | Cable channel-based environmental risk decision method and device and computer equipment |
| CN111426345A (en) * | 2020-03-24 | 2020-07-17 | 深圳供电局有限公司 | Distributed cable channel environment monitoring system, method and computer equipment |
| CN111766476A (en) * | 2020-07-14 | 2020-10-13 | 广东电网有限责任公司 | Rapid networking and fault early warning device for bypass cable monitoring and early warning method thereof |
| CN113781732A (en) * | 2021-07-23 | 2021-12-10 | 广东电网有限责任公司广州供电局 | Cable channel fire early warning method and device based on intelligent gateway |
| CN113904441A (en) * | 2021-09-01 | 2022-01-07 | 广州番禺电缆集团有限公司 | Cable management method and system |
| CN114063548A (en) * | 2021-11-18 | 2022-02-18 | 广东电网有限责任公司 | Cable trench comprehensive environment monitoring method and system |
| CN114371653A (en) * | 2021-11-29 | 2022-04-19 | 深圳供电局有限公司 | Monitoring system of cable trench |
| CN114370895A (en) * | 2021-11-29 | 2022-04-19 | 深圳供电局有限公司 | Monitoring system of cable trench |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109167435A (en) | Cable trench operation and maintenance method and device | |
| CN209296037U (en) | Cable trench operation and maintenance system | |
| KR101735540B1 (en) | System and Method for Safety managing elderly by using social information and power consumption pattern of the individual appliance | |
| KR100832524B1 (en) | The detecting method and detecting apparatus of cable temperature and gas in underground power cable tunnel using sensing ubiquitous sensor network technology | |
| CN106771900A (en) | Switch cubicle big data state evaluating method and system based on intelligent shelf depreciation live detection | |
| US20080167754A1 (en) | Ozone and other molecules sensors for electric fault detection | |
| CN110687330A (en) | Wireless intelligent electric meter and automatic connection method of circuit breaker | |
| CN107645552B (en) | A kind of supply equipment monitoring system | |
| CN116317171B (en) | Electric quantity and non-electric quantity internet of things monitoring device | |
| CN108022412A (en) | Buried cable monitoring and warning system based on Internet of Things | |
| KR20210034473A (en) | Lightning rod system based on internet of things | |
| Liu et al. | Data-driven condition monitoring of data acquisition for consumers’ transformers in actual distribution systems using t-statistics | |
| CN117520951B (en) | Transformer health assessment method and system based on multiple characteristic quantities | |
| CN109520560A (en) | Equipment state detecting method and system | |
| CN108093210A (en) | A kind of transformer oil level warning system and its alarm method | |
| CN117406137A (en) | Method and system for monitoring lightning leakage current of power transmission line | |
| Andria et al. | Model characterization in measurements of environmental pollutants via data correlation of sensor outputs | |
| Catterson et al. | On-line transformer condition monitoring through diagnostics and anomaly detection | |
| CN110430085A (en) | A kind of collection copies communication failure intelligent detection device | |
| CN109116118A (en) | A kind of earth-continuity self-operated measuring unit and its application method | |
| CN110040475A (en) | A kind of Quality Monitoring Control System and method of current transformer test assembly line | |
| CN209927936U (en) | Wireless grounding resistance on-line monitoring system | |
| CN110320329A (en) | Gas patrolling and checking management system | |
| Wang et al. | Transformer Fire Identification Method Based on Multi-Neural Network and Evidence Theory | |
| CN109470984B (en) | Power protection distribution network fault studying and judging system with electronic sand table and studying and judging method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190108 |