CN110632458A - Overhead line discharge breakdown fault monitoring device and method - Google Patents
Overhead line discharge breakdown fault monitoring device and method Download PDFInfo
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- CN110632458A CN110632458A CN201910943365.0A CN201910943365A CN110632458A CN 110632458 A CN110632458 A CN 110632458A CN 201910943365 A CN201910943365 A CN 201910943365A CN 110632458 A CN110632458 A CN 110632458A
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- monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
Abstract
The invention discloses an overhead line discharge breakdown fault monitoring device and method, which comprises a power taking module, a battery module, a control module, an audio acquisition module, a photographing module and a communication module, wherein the power taking module is installed on an overhead line and takes power from the overhead line to charge the battery module, the battery module supplies power for other modules except the power taking module, and the control module is in communication connection with the other modules. The invention has the technical effects that: 1) the position of a line discharge breakdown fault point can be effectively judged; 2) whether the failure type is forest fire, construction and the like can be preliminarily judged, and an original picture evidence is obtained; 3) the trouble shooting difficulty of operation and maintenance personnel can be reduced, and manpower and material resources are saved.
Description
Technical Field
The invention belongs to the technical field of electric power engineering, and particularly relates to an overhead line discharge breakdown fault monitoring device and method.
Background
Overhead line wire pair wire, wire to ground wire, wire to object under the wire, wire to cross arm, wire to tower body discharge breakdown all can lead to the circuit to have a power failure. According to the requirements of the power operation department in actual production work, the reason of line power failure must be found out, and a clear discharge point of a lead must be found. Therefore, whenever the circuit breaks down the trouble because of discharging and causes the power failure, electric power operation department all can arrange the special messenger to check the line, confirms the point of discharging, and the measure of usually taking is pole climbing inspection and unmanned aerial vehicle assists and seeks. The method has the problems that a large amount of manpower and material resources are consumed in the former method, the reference fault section is only one range, often reaches thousands of meters or even tens of kilometers, a plurality of bases or even dozens of bases of towers exist in the range, and a plurality of towers are possibly distributed in a mountain, so that great inconvenience is brought to base-by-base pole climbing and gear-by-gear fault finding; the latter has the disadvantages of high requirements on the operator on one hand and the existence of blind areas which cannot be effectively checked below the lead on the other hand.
And in order to solve overhead line power failure trouble and can only rely on manpower or unmanned aerial vehicle to seek next shaft tower, lead to the technical problem that efficiency is very low, some solutions that set up the fault monitoring device on overhead line in order to carry out real time monitoring have also appeared at present, but these solutions all have more or less problems, for example some solutions need supply power through solar energy, wind energy etc. in order to maintain monitoring device operation, the problem of power supply interrupt takes place easily for this kind of scheme, lead to the control unstable. In addition, in these solutions, a unit for acquiring specific power supply information of the line needs to be specially provided, for example, a specific current and a voltage value of the line or other physical quantities generated when the line runs, such as a magnetic field, are acquired, so as to determine whether the line has a problem. However, overhead lines are generally high-voltage transmission lines, and the cost requirement for arranging such an acquisition unit is high. And the collection unit itself probably breaks down, or overhead line takes place the fluctuation of power transmission because of some reasons and leads to the collection unit to appear the information wrong report, and this leads to single collection unit again can not be to the circuit really break down carry out accurate judgement to the condition that the false report appears.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for monitoring the discharge breakdown fault of an overhead line aiming at the defects in the prior art. By using the overhead line discharge breakdown fault monitoring device and method, the position of a line discharge breakdown fault point can be effectively judged, the fault finding difficulty of operation and maintenance personnel can be reduced, manpower and material resources are saved, and the technical problems that the conventional fault monitoring device is unstable in operation, high in cost and possibly has false alarm are solved.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the utility model provides an overhead line breakdown fault monitoring device that discharges, is including getting electric module, battery module, control module, audio acquisition module, the module of shooing and communication module, get the electric module and install on the overhead line to get from the overhead line and charge for battery module, battery module for except getting other module power supplies outside the electric module, control module control the charging connection state of getting between electric module and the battery module, audio acquisition module gather the environment sound and send the volume in order to judge the environment sound to control module, the module of shooing communication connection to control module and shoot the back under control module's control and transmit to control module, communication module receive the information that the needs that control module provided sent and send the control center to the distal end.
The overhead line discharge breakdown fault monitoring device is characterized in that the electricity taking module continuously charges the battery module when the electric quantity of the battery module is less than 100%, and the battery module stops charging when the battery module is fully charged to 100% and still keeps a charging connection state.
The utility model provides an overhead line discharge breakdown fault monitoring devices, the module of shooing for being used for shooing the camera device that the visual angle is the panorama photo of 180 degrees at least, camera device's camera lens orientation need carry out the position monitored in order to shoot.
The overhead line discharge breakdown fault monitoring device comprises at least two cameras, wherein the cameras are staggered by a certain angle to shoot pictures in different directions and are combined into a gapless panoramic picture.
The overhead line discharge breakdown fault monitoring device comprises a rotary camera, wherein the rotary camera rotates towards one direction when photographing, and images photographed during rotation are combined into a gapless panoramic picture.
A method for monitoring the discharge breakdown fault of an overhead line adopts the device and comprises the following steps:
acquiring the power transmission condition and the environmental volume condition of an overhead line at a monitoring position in real time;
step two, when the power transmission of the overhead line is interrupted and the environmental volume reaches a preset volume decibel value, sending warning information to a control center;
and step three, acquiring the image of the monitoring position, sending the location information of the monitoring position and the image to a control center together, and returning to the step one.
In the first step, the power transmission condition of the overhead line is monitored, and whether the power taking module keeps charging connection with the battery module is monitored, when the power taking module interrupts the charging connection, the power transmission interruption of the overhead line is judged, and otherwise, the power transmission of the overhead line is judged to be normal.
In the second step, the method for monitoring the discharge breakdown fault of the overhead line further comprises the following process of judging the distance between the fault point and the monitoring position: and starting timing at the moment of power transmission interruption of the overhead line, stopping timing when receiving volume which is greater than a preset volume decibel value, calculating the distance between a fault point and a monitoring position according to the timing duration and the sound propagation speed, and finally sending the distance information and the warning information to a control center.
In the second step, the method for monitoring the discharge breakdown fault of the overhead line further comprises the process of judging whether to send warning information: and starting timing at the moment when the power transmission of the overhead line is interrupted, stopping timing when the volume which is greater than the preset volume decibel value is received, comparing the timing duration with the preset duration, sending warning information when the timing duration is less than the preset duration, and otherwise, not sending the warning information.
The invention has the technical effects that: 1) the position of a line discharge breakdown fault point can be effectively judged; 2) whether the failure type is forest fire, construction and the like can be preliminarily judged, and an original picture evidence is obtained; 3) the trouble shooting difficulty of operation and maintenance personnel can be reduced, and manpower and material resources are saved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Detailed Description
Example 1
Referring to fig. 1, the embodiment includes a power taking module, a battery module, a control module, an audio acquisition module, a photographing module, and a communication module. The power taking module is installed on the overhead line, the battery module is charged by taking power from the overhead line, the battery module supplies power for other modules except the power taking module, the control module monitors the charging connection state between the power taking module and the battery module, the audio acquisition module acquires environment sound and sends the environment sound to the control module to judge the volume of the environment sound, the photographing module is in communication connection with the control module and transmits the environment sound to the control module after photographing under the control of the control module, and the communication module receives information which is provided by the control module and needs to be sent and sends the information to the control center of a far end. The power taking module continuously charges the battery module when the electric quantity of the battery module is less than 100%, and stops charging after the battery module is fully charged to 100% and still keeps a charging connection state.
The module of shooing of this embodiment includes three camera, and wherein include a main camera and two vice cameras, and three camera is installed on same horizontal plane, and towards different angles, and three camera simultaneous working when shooing shoots the ascending photo of equidirectional, then synthesizes into a gapless panorama photo that the visual angle is great to the condition of confirming monitoring position department is provided for control center.
Example 2
The device of this embodiment is substantially the same as embodiment 1, except for the photographing module. The photographing module of the embodiment adopts a rotary camera, when photographing is needed, the rotary camera rotates from one side to the other side, and images photographed during rotation are combined into a gapless panoramic photo, namely, the photographing of the panoramic photo can be completed as in embodiment 1.
When the device is used for monitoring the discharge breakdown fault of the overhead line, the device comprises the following steps:
acquiring the power transmission condition and the environmental volume condition of an overhead line at a monitoring position in real time;
step two, when the power transmission of the overhead line is interrupted and the environmental volume reaches a preset volume decibel value, sending warning information to a control center;
and step three, acquiring the image of the monitoring position, sending the location information of the monitoring position and the image to a control center together, and returning to the step one.
In the first step, the power transmission condition of the overhead line is monitored, whether the power taking module is kept in charging connection with the battery module or not is monitored, when the power taking module interrupts the charging connection, the power transmission interruption of the overhead line is judged, and otherwise, the power transmission of the overhead line is judged to be normal.
Step two, the process of judging the distance between the fault point and the monitoring position is also included: and starting timing at the moment of power transmission interruption of the overhead line, stopping timing when receiving volume which is greater than a preset volume decibel value, calculating the distance between a fault point and a monitoring position according to the timing duration and the sound propagation speed, and finally sending the distance information and the warning information to a control center.
Step two, also include the process of judging whether to send the warning message: and starting timing at the moment when the power transmission of the overhead line is interrupted, stopping timing when the volume which is greater than the preset volume decibel value is received, comparing the timing duration with the preset duration, sending warning information when the timing duration is less than the preset duration, and otherwise, not sending the warning information.
Get among the device electric module fixed mounting on the overhead line conductor, battery module is close to the conductor downside and arranges, gets the electric module and passes through power connecting wire and supply electric quantity for battery module intelligence, and when battery module electric quantity was less than 100%, it charges for battery module to get the electric module, and when battery module electric quantity reached 100%, it stopped to charge for battery module still to keep connected state to get the electric module. The battery module is used for supplying power to the control module, the audio acquisition module and the photographing module which are connected in parallel. The control module, the audio acquisition module and the communication module are continuously powered, and the photographing module is powered as required. The control module is respectively connected with the battery module, the audio acquisition module, the photographing module and the communication module in parallel through data lines. The control module reads the electric quantity and the charging connection condition of the battery module to perform real-time monitoring. The audio acquisition module acquires audio information near the installation point in real time and transmits the information to the control module through the data line, and the control module stores audio threshold information. The control module presets double conditions to judge whether a line discharge breakdown fault point is near an installation point: under the first condition, the control module receives connection and disconnection information of the power taking module and the battery module, under the second condition, the control module receives that the audio information collected by the audio collecting module reaches or exceeds X decibels (namely audio threshold information), the control module calculates the distance between a discharging point and an installation point according to the time difference of the received information of the first condition and the second condition (the sound transmission speed is taken as 340 m/s), when the two conditions are met within Y seconds of the time interval, the control module sends the information such as the ID of the control module, the distance of the discharge fault point, the name of the nearest tower matched with the installation point, the longitude and the latitude and the like to the manager mobile terminal and the background through the communication module in a text information mode, then the control module starts the photographing module to photograph the channel below the installation point and synthesizes a panoramic photo at the front end, and then the image information is sent to the manager mobile terminal and the background through the communication module; the management personnel combines line power failure information issued by a dispatching department and character and picture information returned by an overhead line discharge breakdown fault monitoring device to preliminarily judge whether the fault type is mountain fire, construction and the like, and sends the accurate information of the fault point to the working personnel, and the working personnel directly find and confirm the fault point at the corresponding position according to the accurate information of the fault point.
Claims (9)
1. The utility model provides an overhead line breakdown fault monitoring device that discharges, a serial communication port, including getting electric module, battery module, control module, audio acquisition module, the module of shooing and communication module, get the electric module and install on the overhead line to get from the overhead line and charge for battery module, battery module for except getting other module power supplies outside the electric module, control module control the charging connection state of getting between electric module and the battery module, audio acquisition module gather the environment sound and send the volume in order to judge the environment sound to control module, the module of shooing communication connection to control module and shoot the back under control module's control and transmit to control module, communication module receive the information that need that control module provided and send to the control center of distal end.
2. The device as claimed in claim 1, wherein the power-taking module continuously charges the battery module when the battery module is less than 100%, and stops charging when the battery module is fully charged to 100% and still maintains the charging connection state.
3. The device for monitoring the overhead line discharge breakdown fault according to claim 1, wherein the photographing module is a camera device for taking a panoramic photograph with a viewing angle of at least 180 degrees, and a lens of the camera device faces a position to be monitored for photographing.
4. An overhead line discharge breakdown fault monitoring device as claimed in claim 3 wherein said camera means comprises at least two cameras, said cameras being angularly offset to take pictures in different directions and combine into a seamless panoramic picture.
5. An overhead line discharge breakdown fault monitoring device as claimed in claim 3, wherein the camera device comprises a rotary camera, the rotary camera rotates in one direction when taking pictures, and images taken during rotation are combined into a gapless panoramic picture.
6. An overhead line discharge breakdown fault monitoring method, characterized in that, the device according to any one of claims 1-5 is adopted, comprising the following steps:
acquiring the power transmission condition and the environmental volume condition of an overhead line at a monitoring position in real time;
step two, when the power transmission of the overhead line is interrupted and the environmental volume reaches a preset volume decibel value, sending warning information to a control center;
and step three, acquiring the image of the monitoring position, sending the location information of the monitoring position and the image to a control center together, and returning to the step one.
7. The overhead line discharge breakdown fault monitoring method according to claim 6, wherein in the first step, monitoring of the overhead line power transmission condition is achieved by monitoring whether the power taking module is in charging connection with the battery module, when the power taking module interrupts the charging connection, it is determined that the overhead line power transmission is interrupted, otherwise, it is determined that the overhead line power transmission is normal.
8. The method for monitoring the discharge breakdown fault of the overhead line according to claim 6, wherein the second step further comprises a process of judging the distance between the fault point and the monitoring position: and starting timing at the moment of power transmission interruption of the overhead line, stopping timing when receiving volume which is greater than a preset volume decibel value, calculating the distance between a fault point and a monitoring position according to the timing duration and the sound propagation speed, and finally sending the distance information and the warning information to a control center.
9. The method for monitoring the discharge breakdown fault of the overhead line according to claim 6, wherein the second step further comprises a process of judging whether to send a warning message: and starting timing at the moment when the power transmission of the overhead line is interrupted, stopping timing when the volume which is greater than the preset volume decibel value is received, comparing the timing duration with the preset duration, sending warning information when the timing duration is less than the preset duration, and otherwise, not sending the warning information.
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Cited By (2)
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| CN111986697A (en) * | 2020-08-04 | 2020-11-24 | 深圳供电局有限公司 | Method and device for determining trip point of power transmission line, computer equipment and storage medium |
| CN113338909A (en) * | 2021-08-09 | 2021-09-03 | 天津市正方科技发展有限公司 | Pumping unit fault inspection system based on audio and sound collection method |
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