CN112461295A - 10kV distribution lines icing dancing state monitoring system - Google Patents
10kV distribution lines icing dancing state monitoring system Download PDFInfo
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- CN112461295A CN112461295A CN202011318425.9A CN202011318425A CN112461295A CN 112461295 A CN112461295 A CN 112461295A CN 202011318425 A CN202011318425 A CN 202011318425A CN 112461295 A CN112461295 A CN 112461295A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention relates to the technical field of intelligent monitoring of a power distribution network, and discloses a 10kV distribution line ice-coating galloping state monitoring system which comprises a single chip microcomputer, a non-contact energy taking module, a power management module, a 4G module, a temperature and humidity sensor, an inclination angle sensor and an infrared camera. The system has the characteristics of stable performance, convenience in use, safety and reliability, can be operated on a 10kV distribution line with lower load for a long time, provides reliable monitoring data for ice coating galloping early warning, fault diagnosis and operation and maintenance of the 10kV distribution line, ensures the stable operation of the 10kV distribution line, and has very good economic benefit and application prospect.
Description
Technical Field
The invention relates to the technical field of intelligent monitoring of a power distribution network, in particular to a 10kV distribution line icing galloping state monitoring system.
Background
The power distribution network is a key part for connecting a power transmission and transformation system and a user side, and the reliable operation of the power distribution network has important significance for maintaining normal production and life order and meeting the power consumption requirements of people for good life. However, the 10kV distribution network overhead line is often in a severe operating environment, and the distribution line is often broken due to ice coating or strong wind waving in winter, so that the power supply reliability of the distribution network is greatly influenced, the ice coating and waving states of the 10kV distribution line need to be effectively monitored, and distribution network operation and maintenance personnel are guided to take corresponding measures in time.
At present, an icing state monitoring device of a line is mainly concentrated in a power transmission and transformation system with a high voltage level, and mainly comprises temperature and humidity, tension of the power transmission line and high-definition image monitoring. The monitoring device needs to be provided with an energy-taking mutual inductor in the power transmission line to supply power to equipment. The line load of high voltage class is great, and the power demand of monitoring device is very satisfied easily to the power of getting the mutual-inductor output, and in 10kV distribution network, especially the load of taking place the microclimate area distribution lines of icing is less, and the power of getting the mutual-inductor output is less. The icing state monitoring device in the existing power transmission and transformation system cannot be applied to a 10kV distribution line.
It can be seen that there is a need in the art for a new ice coating galloping condition monitoring system that can operate reliably at low line loads.
Disclosure of Invention
Aiming at the problem that the power supply reliability is easily caused by the ice-coating galloping of the 10kV distribution line, the invention designs a 10kV distribution line ice-coating galloping state monitoring system.
The technical scheme adopted by the invention is as follows:
the utility model provides a 10kV distribution lines icing galloping state monitoring system which characterized in that: including singlechip, non-contact ability of getting module, power management module, 4G module, temperature and humidity sensor, tilt angle sensor and infrared camera:
the temperature and humidity sensor monitors the temperature and humidity condition of the distribution line operating environment according to a control command output by the single chip microcomputer;
the inclination angle sensor monitors the galloping condition of the distribution line according to a control command output by the single chip microcomputer, and can monitor the three-axis fluctuation state of the distribution line;
the infrared camera monitors the icing image and other working conditions of the distribution line according to a control command output by the single chip microcomputer;
the 4G module sends the line galloping state, the temperature and humidity and the ice coating image data monitored by the monitoring system back to the remote monitoring platform according to a control command output by the single chip microcomputer based on a 4G signal;
the single chip microcomputer is respectively connected with the 4G module, the temperature and humidity sensor, the inclination angle sensor and the infrared camera, controls the temperature and humidity sensor, the inclination angle sensor and the infrared camera to work according to preset time or preset judgment logic, monitors the temperature and humidity environment around the distribution line, the waving condition and images near the line, and sends sensing signals output by the sensors to the remote monitoring platform through the 4G module after framing coding;
the power management module is connected with the single chip microcomputer and performs load management on each module of the monitoring system according to preset time or preset logic so as to reduce the average power consumption of the monitoring system;
the non-contact energy taking module is connected with the power management module, is installed on a 10kV distribution line in a piercing mode, outputs a voltage stabilizing signal based on the principle of electromagnetic induction, and outputs power to the 10kV distribution line icing galloping and state monitoring system.
Further, 10kV distribution lines icing galloping state monitoring system, its characterized in that: the single chip microcomputer can flexibly monitor the icing state of the 10kV distribution line according to preset time or preset judgment logic, and the method comprises the following specific steps:
(1) the single chip microcomputer is used for carrying out real-time communication control on the temperature and humidity sensor and the inclination angle sensor and monitoring the running environment and the waving state of the 10kV distribution line;
(2) when the monitoring data of the temperature and humidity sensor and the inclination angle sensor meet the requirement that when the temperature measured by the temperature and humidity sensor is more than T1The measured humidity is less than H and less than H1% time, when three-axis angle X measured by inclination angle sensor is less than X1°，Y＜Y1°,Z＜Z 1°③ the angle difference of two moments before and after the triaxial angle satisfies that delta X is less than delta X1°，△Y＜△Y1°,△Z＜△Z1°And then, the 10kV distribution line is in a stable working state, the single chip microcomputer enters a daily monitoring mode, and the interval is delta t1When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module; wherein, T1℃、H1％、X1°、Y1°、Z1°、△X1°、△Y1°、△Z1°Is a threshold value in the preset judgment logic;
(3) when the monitoring data of the temperature and humidity sensor meets the condition that the temperature T is less than T1The measured humidity is less than H and more than H1% time, the single chip enters an icing occurrence early warning monitoring mode at intervals of delta t2When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module;
(4) when the three-axis angle X measured by the tilt angle sensor is larger than X2°Or Y > Y2°Or Z > Z2°Then, the single chip computer enters an icing accumulation early warning monitoring mode at intervals of delta t3When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module; wherein, X2°、Y2°、Z2°Is a threshold value in the preset judgment logic;
(5) the angle difference between the front and the rear of the triaxial angle satisfies DeltaX > < DeltaX1°，△Y＞△Y1°,△Z＞△Z1°When the circuit is in the early warning and monitoring mode, the singlechip enters a circuit galloping early warning and monitoring mode at intervals of delta t4In hours, the single chip microcomputer controls the infrared camera to monitor working images of the distribution lines, and temperature and humidity sensing data and inclination angles are obtainedAnd framing the sensing data, and sending the framing to a remote monitoring platform through a 4G module.
Further, the 10kV distribution lines icing galloping state monitoring system is characterized in that the preset threshold value in the judgment logic is as follows: t is1℃、H1％、X1°、Y1°、Z1°、X2°、Y2°、Z2°、△X1°、△Y1°、△Z1°Can be flexibly set according to the geographical environment in which the monitoring system is installed.
Furthermore, the 10kV distribution line icing galloping state monitoring system is characterized in that the preset time delta t1、△t2、△t3、△t4Can be flexibly set according to the geographical environment in which the monitoring system is installed, and the setting logic is delta t1＞△t2＞△t3＞△t4。
Further, a 10kV distribution lines icing dancing state monitoring system, its characterized in that, power management module embeds there is the battery, according to the control command of singlechip, controls the working power supply of 4G module and infrared camera: when the preset time is Δ t1、△t2、△t3、△t4When the load is not met, the non-contact energy taking module is controlled to charge the storage battery, when any preset time is reached, the storage battery is controlled to supply power to the 4G module and the infrared camera, and the requirement of the non-contact energy taking module on the maximum load of the line is reduced.
The invention has the beneficial effects that:
the system has the characteristics of stable performance, convenience in use, safety and reliability, can be operated on a 10kV distribution line with lower load for a long time, provides reliable monitoring data for ice coating galloping early warning, fault diagnosis and operation and maintenance of the 10kV distribution line, ensures the stable operation of the 10kV distribution line, and has very good economic benefit and application prospect.
Drawings
FIG. 1 is an implementation schematic diagram of a 10kV distribution line ice-coating galloping state monitoring system.
FIG. 2 is a logic control schematic diagram of the 10kV distribution line ice-coating galloping state monitoring system.
Reference numbers in the figures: 1. the device comprises a single chip microcomputer, 2, a non-contact energy-taking module, 3, a power management module, 4G modules, 5, an inclination angle sensor, 6, a temperature and humidity sensor, 7 and an infrared camera.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
The utility model provides a 10kV distribution lines icing dancing state monitoring system, as shown in figure 1, includes that singlechip 1, non-contact get can module 2, power management module 3, 4G module 4, temperature and humidity sensor 6, angle of inclination sensor 5 and infrared camera 7:
the temperature and humidity sensor 6 monitors the temperature and humidity condition of the distribution line operating environment according to the control command output by the single chip microcomputer 1;
the inclination angle sensor 5 monitors the galloping condition of the distribution line according to the control command output by the single chip microcomputer 1, and can monitor the three-axis fluctuation state of the distribution line;
the infrared camera 7 monitors the icing image of the distribution line according to the control command output by the singlechip 1;
the 4G module 4 sends the line galloping state, the temperature and humidity and the ice coating image data monitored by the monitoring system back to the remote monitoring platform according to the control command output by the single chip microcomputer 1 based on the 4G signal;
the single-chip microcomputer 1 is respectively connected with the 4G module 4, the temperature and humidity sensor 6, the inclination angle sensor 5 and the infrared camera 7, the single-chip microcomputer 1 controls the temperature and humidity sensor, the inclination angle sensor and the infrared camera to work according to preset time or preset judgment logic, the temperature and humidity environment, waving conditions and images around a distribution line are monitored, and the single-chip microcomputer conducts framing coding on sensing signals output by the sensors and then sends the sensing signals to a remote monitoring platform through the 4G module;
the power management module 3 is connected with the single chip microcomputer 1, and the power management module 3 carries out load management on each module of the monitoring system according to preset time or preset logic so as to reduce the average power consumption of the monitoring system;
the non-contact energy taking module 2 is connected with the power management module 3, the non-contact energy taking module 2 is installed on a 10kV distribution line in a piercing mode, and outputs a voltage stabilizing signal based on the principle of electromagnetic induction to output power to the 10kV distribution line icing galloping and state monitoring system.
A10 kV distribution line icing galloping state monitoring system is specifically implemented by firstly investigating the historical icing state of a 10kV distribution line and presetting a threshold value T in a single chip microcomputer 1 (specifically, a programmable logic array FPGA)1℃、H1％、X1°、Y1°、Z1°、X2°、Y2°、Z2°、△X1°、△Y1°、△Z1°。
The single chip microcomputer flexibly monitors the icing state of the 10kV distribution line according to preset time or preset judgment logic shown in figure 2, (1) the single chip microcomputer performs real-time communication control on a temperature and humidity sensor and an inclination angle sensor, and monitors the running environment and the waving state of the 10kV distribution line;
(2) when the monitoring data of the temperature and humidity sensor and the inclination angle sensor meet the requirement that when the temperature measured by the temperature and humidity sensor is more than T1The measured humidity is less than H and less than H1% time, when three-axis angle X measured by inclination angle sensor is less than X1°，Y＜Y1°,Z＜Z 1°③ the angle difference of two moments before and after the triaxial angle satisfies that delta X is less than delta X1°，△Y＜△Y1°,△Z＜△Z1°And then, the 10kV distribution line is in a stable working state, the single chip microcomputer enters a daily monitoring mode, and the interval is delta t1And in hours, the singlechip controls the infrared camera to monitor the working image of the distribution line, frames the temperature and humidity sensing data and the inclination angle sensing data and sends the framed data to the distribution line through the 4G moduleA remote monitoring platform;
(3) when the monitoring data of the temperature and humidity sensor meets the condition that the temperature T is less than T1The measured humidity is less than H and more than H1% time, the single chip enters an icing occurrence early warning monitoring mode at intervals of delta t2When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module;
(4) when the three-axis angle X measured by the tilt angle sensor is larger than X2°Or Y > Y2°Or Z > Z2°Then, the single chip computer enters an icing accumulation early warning monitoring mode at intervals of delta t3When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module;
(5) the angle difference between the front and the rear of the triaxial angle satisfies DeltaX > < DeltaX1°，△Y＞△Y1°,△Z＞△Z1°When the circuit is in the early warning and monitoring mode, the singlechip enters a circuit galloping early warning and monitoring mode at intervals of delta t4And in the hour, the single chip microcomputer controls the infrared camera to monitor the working image of the distribution line, frames the temperature and humidity sensing data and the inclination angle sensing data, and sends the temperature and humidity sensing data and the inclination angle sensing data to the remote monitoring platform through the 4G module.
Further, the threshold in the judgment logic is preset: t is1℃、H1％、X1°、Y1°、Z1°、X2°、Y2°、Z2°、△X1°、△Y1°、△Z1°Can be flexibly set according to the geographical environment in which the monitoring system is installed.
Further, the preset time Δ t1、△t2、△t3、△t4Can be flexibly set according to the geographical environment in which the monitoring system is installed, and the setting logic is delta t1＞△t2＞△t3＞△t4。
Furthermore, a storage battery is arranged in the power management module, and the 4G module and the single chip microcomputer are controlled by the storage battery according to a control instruction of the single chip microcomputerThe working power supply of the infrared camera is controlled: when the preset time is Δ t1、△t2、△t3、△t4When the maximum load of the circuit is not met, the non-contact energy taking module is controlled to charge the storage battery, and when any preset time is reached, the storage battery is controlled to supply power to the 4G module and the infrared camera, so that the requirement of the non-contact energy taking module on the maximum load of the circuit is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a 10kV distribution lines icing galloping state monitoring system which characterized in that: the intelligent energy-saving control system comprises a single chip microcomputer, a non-contact energy-taking module, a power management module, a 4G module, a temperature and humidity sensor, an inclination angle sensor and an infrared camera;
the temperature and humidity sensor monitors the temperature and humidity condition of the distribution line operating environment according to a control command output by the single chip microcomputer;
the inclination angle sensor monitors the galloping condition of the distribution line according to a control command output by the single chip microcomputer, and can monitor the three-axis fluctuation state of the distribution line;
the infrared camera monitors the icing image of the distribution line according to a control command output by the single chip microcomputer;
the 4G module sends the line galloping state, the temperature and humidity and the ice coating image data monitored by the monitoring system back to the remote monitoring platform according to a control command output by the single chip microcomputer based on a 4G signal;
the single chip microcomputer is respectively connected with the 4G module, the temperature and humidity sensor, the inclination angle sensor and the infrared camera, controls the temperature and humidity sensor, the inclination angle sensor and the infrared camera to work according to preset time or preset judgment logic, monitors the temperature and humidity environment around the distribution line of the power distribution network, the waving condition of the distribution line and images, and sends sensing signals output by the sensors to the remote monitoring platform through the 4G module after framing coding;
the power management module is connected with the single chip microcomputer and carries out load management on each module of the monitoring system according to preset time or preset logic;
the non-contact energy taking module is connected with the power management module, is installed on a 10kV distribution line in a piercing mode, outputs a voltage stabilizing signal based on the principle of electromagnetic induction, and outputs power to the 10kV distribution line icing galloping and state monitoring system.
2. The system of claim 1, wherein the system comprises: the single chip microcomputer can flexibly monitor the icing state of the 10kV distribution line according to preset time or preset judgment logic, and the method comprises the following specific steps:
(1) the single chip microcomputer is used for carrying out real-time communication control on the temperature and humidity sensor and the inclination angle sensor and monitoring the running environment and the waving state of the 10kV distribution line;
(2) when the monitoring data of the temperature and humidity sensor and the inclination angle sensor meet the requirement that when the temperature measured by the temperature and humidity sensor is more than T1The measured humidity is less than H and less than H1% time, when three-axis angle X measured by inclination angle sensor is less than X1°，Y＜Y1°,Z＜Z1(iii) the angular difference between the three-axis angle at the front and rear moments satisfies that < delta X1°，△Y＜△Y1°,△Z＜△Z1When the current is not less than the set value, the distribution line is in stable working state, the single chip computer enters into daily monitoring mode, and every interval is delta t1When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module; wherein, T1℃、H1％、X1°、Y1°、Z1°、△X1°、△Y1°、△Z1In a predetermined decision logicA threshold value;
(3) when the monitoring data of the temperature and humidity sensor meets the condition that the temperature T is less than T1The measured humidity is less than H and more than H1% time, the single chip enters an icing occurrence early warning monitoring mode at intervals of delta t2When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module;
(4) when the three-axis angle X measured by the tilt angle sensor is larger than X2DEG or Y > Y2DEG or Z > Z2At an angle, the single chip microcomputer enters an icing accumulation early warning monitoring mode at intervals of delta t3When the temperature and humidity sensing data and the inclination angle sensing data are framed and sent to a remote monitoring platform through a 4G module; wherein, X2°、Y2°、Z2Degree is a threshold in the preset decision logic;
(5) the angle difference between the front and the rear of the triaxial angle satisfies DeltaX > < DeltaX1°，△Y＞△Y1°,△Z＞△Z1At an angle, the singlechip enters a line galloping early warning monitoring mode at intervals of delta t4And in the hour, the single chip microcomputer controls the infrared camera to monitor the working image of the distribution line, frames the temperature and humidity sensing data and the inclination angle sensing data, and sends the temperature and humidity sensing data and the inclination angle sensing data to the remote monitoring platform through the 4G module.
3. The system for monitoring the icing galloping state of the 10kV distribution line according to claim 2, wherein the threshold values in the preset judgment logic are as follows: t is1℃、H1％、X1°、Y1°、Z1°、X2°、Y2°、Z2°、△X1°、△Y1°、△Z1Can be flexibly set according to the geographical environment in which the monitoring system is installed.
4. The system for monitoring the icing galloping state of the 10kV distribution line according to claim 2, wherein the preset time Δ t1、△t2、△t3、△t4Can be flexibly set according to the geographical environment in which the monitoring system is installed, and the setting logic is delta t1＞△t2＞△t3＞△t4。
5. The system for monitoring the icing galloping state of the 10kV distribution line according to claim 4, wherein a storage battery is arranged in the power management module, and the working power supplies of the 4G module and the infrared camera are controlled according to a control instruction of the single chip microcomputer: when the preset time is Δ t1、△t2、△t3、△t4When not satisfying, control non-contact type and get can the module and charge to the battery, when arbitrary time of predetermineeing arrives, control battery is to 4G module and infrared camera power supply.
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| 沈一鸣: "10kV输电线路状态监测系统技术分析", 《10KV输电线路状态监测系统技术分析》 * |
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